Cleaning (B08)

B08            Cleaning(5333)
Device for cleaning pipeline outer surface // 2641821
FIELD: technological processes.SUBSTANCE: device contains a working body with cleaning elements, a drive, a traversing mechanism. The working body comprises a longitudinal cutting unit of insulation with disc knives and an insulation removal unit along the perimeter of the pipe, including a flat knife with a heater and a reflector. The device additionally has heating sections with IR heaters in the form of segments with reflectors. The longitudinal cutting, delagging and heating sections units, made on wheel assemblies, are pivotally connected in series with each other. The last heating section is connected to the delagging unit by a spring, closing the circuit around the perimeter of the pipe. The traversing mechanism contains two loops mounted on the surface of the pipe, two chains and shafts from the ends with sprocket of the longitudinal cutting unit and the delagging unit. Each of the chains is directed along the sprockets of the longitudinal cutting unit and the delagging unit. One end of each chain is fixed rigidly to the loop, and the other end of the chain is fixed to the loop through the adjusting gear.EFFECT: increase the efficiency and quality of cleaning the surface of the pipe from the insulation coating with a shortening of the cleaning time.4 dwg

Plant for washing fuel tank of aircraft with gas-saturated liquid (versions) // 2641408
FIELD: aviation.SUBSTANCE: plant for washing the fuel tank includes a washing unit arranged inside the fuel tank (2), a line (4) for injecting the gas-saturated washing liquid into the washing unit and line (5) for draining washing liquid with washed impurities from the fuel tank. An intake branch pipe (19) is mounted on the hatch cover of the fuel tank connected to the main injection line (4) and drain branch pipes (21) connected to the drain line (5). The washing unit is a washing head (1) formed by the housing and nozzles mounted thereon and communicating with the injection line (4). The nozzles are configured for swirling the flow of washing liquid coming therefrom.EFFECT: increased efficiency and performance of the fuel tank washing process, and the quality of washing.16 cl, 9 dwg

Device and method for hydrodynamic cleaning of surfaces based on micro-hydropercussion effect // 2641277
FIELD: machine engineering.SUBSTANCE: head for hydrodynamic cleaning is a flow channel with a profile, a resonance chamber and a diffuser formed coaxially with each other by an input confusor, resonance chamber and diffuser. The confuser and diffuser are connected by the resonance chamber in the form of a transition projection. The ratio of the area of the outlet cross-section of the confuser to the cross-section area of the resonance chamber opening forming the transition projection is 1.5-8.97. The diffuser may contain a device for additional supply of liquid, gas or solid particles. Preferably, the confuser has a conical shape and a cone angle of 10-20°. Preferably, the diffuser has a conical shape and the taper angle of 15-70°.EFFECT: high-performance, stable and sufficient for practical tasks cavitation at possible more low pressures and flow rates for cleaning surfaces from man-made and natural contaminations both in liquid and air environments.11 cl, 3 ex, 2 dwg

Protective case of exoskeleton foot rest // 2639814
FIELD: medicine.SUBSTANCE: invention is applied in conjunction with a motorized exoskeleton designed to be attached to the legs of an exoskeleton user and intended to assist people with limited athletic abilities who are unable to move independently, with limited mobility or complete immobility of the lower limbs. The protective case of the exoskeleton foot rest includes the upper stocking, the lower stocking and the femoral part of the case, the upper edge of which is connected to the lower edge of the upper stocking, and the lower edge is connected to the upper edge of the lower stocking. The case is tubular and made of waterproof and/or repellent materials. The femoral part of the case is made with the possibility of changing its length - the dimension in the longitudinal direction. The upper edge of the upper stocking is designed to fit snugly to the pelvic link of the exoskeleton. The lower edge of the lower stocking is made with the possibility of a snug fit to the tibial link of the exoskeleton. The case is dismountable at least at parts of its length. In addition, the case is configured to provide an access from the outside of the case to the existing tuning elements and the adjustment of the transverse rotation axes of the hip and knee joints of the exoskeleton in accordance with the position of the transverse rotation axes of the exoskeleton's hip and knee joints respectively of the user of the exoskeleton with the ability to output to the outside of the case the clamping elements of the exoskeleton femoral link to the femoral segment of a user of the exoskeleton and sensitive elements of sensors of a location information system in case of their placement on the foot rest of the exoskeleton.EFFECT: creation of a protective case designed to protect the foot rest of the exoskeleton in the course of its operation from moisture, dust and dirt, as well as to prevent the small protruding elements of the exoskeleton foot rest from clinging to surrounding objects while providing capabilities to output to the outside of the case the clamping elements of the exoskeleton links to the corresponding segments of the user's legs of the exoskeleton and sensitive elements of sensors of a location information system in case of their placement on the foot rest of the exoskeleton, as well as an access to the tuning elements and the adjustment of the transverse rotation axes of the hip and knee joints of the exoskeleton in accordance with the anthropometric measurements of the user of the exoskeleton.10 cl, 8 dwg
Device for cleaning pipeline cavity // 2639793
FIELD: technological processes.SUBSTANCE: device for cleaning the cavity of a pipeline contains a hollow body placed on a reagent feed branch pipe with the possibility of rotation, with a reagent outlet to the cavity of the pipeline being cleaned, a drive for moving the device along the pipeline and a rotary drive. The hollow body (1) is cylindrical with end caps (2, 3) fixed with bolts (9) and mounted on a hollow half-coupling (4), with the possibility of rotating around it with bearings (5) fitted with a spacer sleeve (6) between them and closed with oil seals (7). The half-coupling (4) is provided with a thread bushing (8), which clamps a cylindrical body to form a gap between the wall of the front end cap (3) and the front end of the half-coupling. The front end cap (3) is provided externally with a semi-cylindrical body (10), the walls of which form a cavity communicating with the cavity of the cylindrical body. The axis of the semi-cylindrical body is located in the direction of movement of the device. An L-shaped tangential nozzle (12) with a cylindrical vertical part (13), provided with a thread and a tapering horizontal part (14), is mounted axially and perpendicular to the flat wall of the semi-cylindrical body perpendicular to it by means of a threaded connection and a counter nut (11). The tangential nozzle is also installed with the possibility of changing the angle of the position of the axis of the tapering part with respect to the axis of the device, while the axis of the tapering part being either located in the plane of rotation of the axis of the vertical part of the nozzle, or deviated from it by an angle of no more than 45° in the direction opposite to the movement of the device, with the possibility of creating reactive forces with a single nozzle for rotating and moving the device along the pipeline during the cleaning process. In addition, at the end of the rotating part, a cutting tool (15) is fixed at the end of the semi-cylindrical cover body with the possibility of cutting the packed layers adjacent to the walls of the pipeline.EFFECT: simplifying the device, reducing labour costs in manufacturing and operation, reducing the consumption of reagent, increasing the productivity and quality of cleaning completely silted pipelines.3 dwg
Solution for deleting deposits of different nature // 2639433
FIELD: chemistry.SUBSTANCE: solution for purifying the surface from the deposits of different nature, containing hydrogen peroxide, chelating agent, water-soluble calixarene and water in the following ratio, wt %: hydrogen peroxide 2-90, chelating agent 3-30, water-soluble calixarene 0.01-10, water - the rest, wherein it contains the chelating agent in the form of polybasic organic acids, their sodium salts or derivatives of phosphorous acids. Also, a concentrated component for preparing the said solution, a method for preparing a solution, and methods for purifying the surface from deposits of different nature are proposed.EFFECT: increasing the degree of purification from sediments of different nature with a simultaneous decrease in the aggressiveness of the solution to structural materials.19 cl, 2 tbl

ethod of hydrodynamic clearing surfaces of chemical-technological equipment from sludges containing metals of platinum group // 2639371
FIELD: chemistry.SUBSTANCE: method includes hydrodynamic cleaning of the equipment surfaces. Rotating water jets are fed to the treated portion of the surface at a pressure of 0.1-0.5 to 270-300 MPa, gradually increasing the pressure from the lowest value to the largest one. In addition, an increase in the water temperature from 1-5 to 70-90°C is performed, and water jets are moved along the treated surface at a speed of 0.1 to 1 m/s.EFFECT: improvement of sludge separation from the working surface of the equipment, absence of chemical reagents, reduction of labour and cleaning time, increase of sludge collection from aggregates without their damage and improvement of performance characteristics of the equipment being cleaned.5 cl, 1 dwg, 9 ex

achine for cleaning pipeline section // 2637954
FIELD: technological processes.SUBSTANCE: machine (24) comprises a cell (26) of a plurality of parts for enclosing a pipe therein. Each part of the plurality of parts of the cell is connected to move from each of the other parts of the plurality of parts of the cell. There is a plurality of drive elements (44) connected to the cell, at least, one abrasive blasting agent formed on one or more of the plurality of parts of the cell. Each drive element of the plurality of drive elements is designed to be in direct contact with or coated with a pipe (50) to be cleaned. The displacement of a plurality of the drive elements, when the pipe is enclosed in a cage, causes the cell to rotate around the pipe enclosed therein. The machine further includes stepping means for moving, at least, one abrasive blasting agent in the longitudinal direction relative to the pipe provided to the cleaning machine.EFFECT: providing the known and controlled stable quality of pipe cleaning, as well as uniform cleaning of the pipe surface.18 cl, 18 dwg
ethod for prevention of formation of bottom deposits in reservoirs for storage and/or transportation of oil // 2637915
FIELD: oil and gas industry.SUBSTANCE: method for oil storage includes creating a liquid layer (hydraulic cushion) consisting of polyhydric alcohols, preferably glycerol or their derivatives not miscible with oil having density higher than oil density in the reservoir bottom part. During storage, the liquid of hydraulic cushion is periodically circulated through external heating device in order to create convection currents in the reservoir at interface with oil preventing settling of heavy oil components. Periodically, the hydraulic cushion liquid is circulated through external filtering device for cleaning from inorganic impurities. In addition, glycerine, being hygroscopic material, collects impurity water settling during oil storage. Periodically adsorbed moisture is removed from glycerine on external drying device.EFFECT: reduced down time during equipment repair and reservoir cleaning, increased prevention efficiency pertaining formation of bottom deposits.10 cl, 1 dwg

Liquid processing system with auxiliary subsystems to reduce product loss and water expenditure // 2637552
FIELD: chemistry.SUBSTANCE: processing system contains a plurality of processing subsystems arranged in a sequential order and a plurality of cleaning subsystems connected to the plurality of processing subsystems. Each cleaning subsystem has a corresponding measuring device configured to measure, at least, one of: a product loss or a water expenditure rate for the corresponding cleaning subsystem. Each cleaning subsystem is controlled for individual cleaning by a corresponding one of the plurality of the processing subsystems. Each cleaning subsystem is designed to clean the corresponding processing subsystem by washing the corresponding water processing subsystem, pumping the cleaning solution through the appropriate processing and washing subsystem of the corresponding water processing subsystem to remove the cleaning solution. The decision to switch from washing to pumping a cleaning solution is taken for each cleaning subsystem individually.EFFECT: reducing the product losses and water expenditure.13 cl, 8 dwg

System for continuous internal cleanup of coke furnace output channels by scraping and peeling and corresponding method // 2637332
FIELD: metallurgy.SUBSTANCE: according to the method, supply of process fluid to the furnace is stopped. High-pressure steam is injected through a tubular coil and a main line. The high-pressure steam is injected from a second source through a second line to a closed-purge system collector or to a delayed-coking drum. The outlet channel communicating via fluid with the second line from the main line is isolated. The high-pressure steam input is stopped. Steam from the main line is removed through the outlet channel by opening at least two closed valves between the outlet channel and the main line. The inlet line of the drums is isolated from a portion of the main line by injecting the high-pressure steam. The tubular coil is disconnected from the main line and the first high-pressure steam source. The tubular coil is connected with a scraper cleaning unit after reaching atmospheric pressure in the main line. Water from a water source is introduced into the scraper cleaning unit to drive the scraper through the tubular coil.EFFECT: safe cleaning of the inner surface of pipes.24 cl, 1 dwg

ethod for cleaning inner surface of industrial pipelines of oil-pumping stations during preparation for pumping of light oil products // 2637328
FIELD: oil and gas industry.SUBSTANCE: cleaned area is looped using a collapsible pipeline and a centrifugal pump to allow circulation of the pumped medium. The entire cleaned internal volume of the area is filled with an ARPD solvent, for which the limiting saturation coefficient is determined. ARPD solvent is kept in static mode for at least 24 hours, followed by circulation. Every 12 hours ARPD solvent is sampled to determine the value of the solvent saturation coefficient. The circulation of the ARPD solvent is stopped when constant values of the saturation coefficient are reached in at least three samples in a row or when the limiting saturation coefficient is reached. If the saturation limit is reached, the ARPD solvent is replaced with a new one, circulating a new batch of ARPD solvent until a constant value of the saturation coefficient is reached. The ARPD solvent, which has reached the constant values of the saturation coefficient, and the cleaning products are removed. Then the cleaned area is filled with an adsorption oil product which is maintained in a static mode for at least 24 hours, followed by circulation until the monitored quality indicators in the adsorption oil product reach constant values. Sampling is carried out every 12 hours. The circulation of the adsorption oil product is stopped when the constant values of the monitored quality indicators are reached in at least three samples in a row. The adsorption oil product is then removed from the cleaned area, followed by its control oil product, which is kept in a static mode for at least 24 hours, followed by circulation for 3 hours, with a capacity ensuring the pumping of at least 3 volumes of the cleaned area. After each pumping cycle, sampling and sample analysis of the control oil product are carried out. Cleaning is stopped when the constant values of the samples quality indicators of the control oil product are reached, which do not exceed the requirements of regulatory documents for the quality of oil products used as control products.EFFECT: improving the quality of cleaning the inner surface of pipes, ensuring the required quality of pumped light oil products.10 cl, 1 dwg
ethod for using self-destroying device for kicking intratubal fault detector // 2637325
FIELD: oil and gas industry.SUBSTANCE: when kicking intratubal fault detector in the pipeline, the self-destroying devices which secure articulated joints of the multi-section intratubal fault detector and which have arbitrary shape, for example, pins are used. The devices are arranged in articulated joints of sections of multi-section intratubal fault detector. The material and the shape of the self-destroying devices withstand loads arising while the kicking. The self-destroying devices are destroyed during the motion of the multi-section intratubal fault detector along curvilinear sections of the pipeline.EFFECT: simplification of multi-section intratubal fault detector kicking, elimination of folding of the fault detector in articulated joints, elimination of fault detector damage due to locking and jamming.3 cl, 1 dwg

Device for cleaning glass of external surveillance camera cover // 2637013
FIELD: machine engineering.SUBSTANCE: device includes a compressor and a nozzle for air, which inlet is communicated with compressor outlet by means of air pipeline with a valve, a nozzle for washing liquid and a control unit connected to the compressor, the air pipeline valve, and installed with the possibility for controlling the nozzle for the flushing liquid. The device additionally contains a reservoir for flushing liquid and a reservoir for compressed air. The reservoir for compressed air is connected to the air pipeline between the compressor outlet and the air pipeline valve. The upper part of the flushing liquid reservoir is connected by pipe to the compressed air reservoir. The lower part of flushing liquid reservoir is connected the flushing liquid nozzle by a separate liquid pipeline provided with a valve. The control unit is connected to the flushing liquid nozzle through the valve of the liquid pipeline.EFFECT: simplified design, increased reliability of operation, provided constant readiness of the device for cleaning the cover glass, provided high quality cleaning of the outside surveillance camera cover glass from impurities.12 cl, 10 dwg
Use of alcohoxylated non-ionogenic surfactants as additives in water compositions for cleaning membranes // 2636661
FIELD: chemistry.SUBSTANCE: aqueous membrane cleaning composition comprising an alkoxylated non-ionogenic surfactant having the following formula is described: where R is a linear or branched C8-C18 hydrocarbon chain, X is O or N, R1, R2 and R3 independently of one another are hydrogen, methyl, ethyl, propyl, isopropyl, or a mixture thereof, n is from 1 to 8, m has a value of 1 to 8, p is a value of 0 to 8, where X is O, then w is a number 1, and if X is N, then w is a number 2, a surfactant having an HLBd value of 9 to 12.5, and an average degree of branching BS≥1.5.EFFECT: effective cleaning in aqueous solutions used for cleaning membranes.15 cl, 13 dwg, 11 tbl

Device for irradiating degassing of glass pack // 2635313
FIELD: construction.SUBSTANCE: device of an irradiating degasser of a glass pack comprises a vacuum box housing, a glass pack retaining device, a lower plate having electrical conductivity, located on the glass pack retaining device, a transport mechanism, a lifting mechanism, and irradiation devices located inside the vacuum box housing. The irradiation device comprises a power source, a first electrode, a second electrode, and a movable electrode. The movable electrode is located between the first and the second electrodes. The second electrode is formed by the lower plate. The first and the second electrodes are connected to the positive electrode of the power source, the movable one - to the negative electrode. The lower surface of the glass pack is located between the movable electrode and the first one, the upper surface of the glass pack -between the movable electrode and the second one. Ion or electron flows are generated between the first electrode and the movable electrode, and also between the second electrode and the movable one, which ensure the glass pack degassing.EFFECT: reduced vacuum degree of a glass pack.22 cl, 10 dwg
V. p. rodionov's method of hydrodynamic surface cleaning // 2635232
FIELD: technological processes.SUBSTANCE: method is based on the impact of n≥3 cavitating jets of water under pressure with the expansion of the cavitating jets in the direction of the surface being cleaned at an angle α=15-70° with creating a set of local impact zones thereon. The axes of the cavitating water jets are oriented with respect to the normal to the surface being cleaned at an angle β=0-20° with forming non-overlapping circular and elliptical impact zones on the surface being cleaned, with the contact of the edges of local impact zones and providing the maximum coverage area of the surface being cleaned by said local impact zones. The surface being cleaned is subjected to pulse impact with the cavitating water jets with a change in the pulse repetition rate till bringing into resonance layered deposits on the surface being cleaned.EFFECT: increasing the efficiency and productivity of the cleaning process due to increasing the total area of the portion to be treated.7 cl, 11 dwg, 1 tbl

ethod of preparing railway tank wagon for repair or filling with liquefied hydrocarbon gas and device for its implementation // 2633917
FIELD: transportation.SUBSTANCE: according to the method, the excess pressure of gas residues from a pressure-controlled vessel is relieved by means of a pressure gauge. Thereinafter, the vessel is blown out with an inert gas. The inert gas is supplied directly or through a diffuser at a rate providing a pressure difference at the inlet and the outlet of the tank wagon vessel of not more than 0.5 kgf/cm2. The pressure of the inert gas supplied for blowing-out is maintained at a level of at least 20 kgf/cm2. Before finishing the blow-out, the operation of high-speed valves is checked by creating in the vessel an overpressure of 1.5-2 kgf/cm2. The end of the blow-out process is judged by the safe gas concentration value determined by a gas analyzer. If the safe gas concentration is exceeded, the vessel is repeatedly blown out.EFFECT: reducing the blow-out time and reducing the inert gas consumption while maintaining the preparation quality of a railway tank wagon.3 cl, 2 dwg

Suction device // 2633537
FIELD: machine engineering.SUBSTANCE: suction device includes an open cylindrical chamber with end walls connected to the air duct. One end wall of the cylindrical chamber is made solid and common with the end face of the inlet channel. On the opposite side, the cylindrical chamber is open and equipped with a hermetically connected air duct. The inlet channel tangential to the housing of the cylindrical chamber is made tapering towards the air duct and is closed by the end face. The inlet channel has a rectangular trapezoidal shape in the plan with a base ratio of 1:5. The air duct through the air purification device is connected to a traction driver - a fan.EFFECT: simplified design, reduced material consumption of the device by eliminating swirlers, reduced noise level in the work area by placing the fan beyond its limits.5 dwg
ethod for forming roughe protective polymer coating on casing pipe // 2633206
FIELD: technological processes.SUBSTANCE: method includes hydrodynamic, thermal and mechanical cleaning of pipe surface, after which a primer layer is applied to the cleaned surface of the pipe and dried at room temperature, followed by controlling the thickness of applied layer, and then heating the pipe to the deposition temperature of protective polymer coating and protective polymer coating is applied on primer layer by spraying. Simultaneously with the spraying of protective polymeric coating with compressed air, glassfiber is fed and the roughness of pipe surface is regulated by means of fiber length and feed rate thereof, and then applied protective coating is polymerized and its quality control is carried out.EFFECT: increasing the adhesive strength between the pipe and the protective coating, creating a roughened, fleecy outer protective coating on the outer surface of casing pipe and increasing the corrosion resistance of casing pipes in all oilfield environments and solutions of mineral acids that reduce abrasion and hydraulic resistance of pipes.1 dwg

Tool re-processor and methods of re-processing devices // 2633070
FIELD: technological processes.SUBSTANCE: fluid flow control method of re-processing in the tool having, at least, the first and the second channels, includes the following steps: operating the pump in fluid communication with a fluid source for re-processing; passing the fluid flow through the first and the second fluid circuits, each comprising a variable-vent valve and a differential pressure sensor. The first fluid circuit is in fluid communication with the pump and the first channel, and the second fluid circuit is in fluid communication with the pump and the second channel. The method also includes determining the first and the second pressure differentials arriving respectively at the first and the second valves using the differential pressure sensors and adjusting the first and the second valves to control the fluid flow rate in the first and the second channels using the output signal of the first and the second differential pressure sensors. The group of inventions also relates to an embodiment of the said fluid flow control method.EFFECT: maintenance of the required flow velocity of the processing medium in the channels of the tool being processed, and also allows to determine the clogging of the tool channels being processed.6 cl, 18 dwg

Solution for removing labels from reusable bottles for drinks // 2632882
FIELD: chemistry.SUBSTANCE: method is described for removing an adhesive from a surface that comprises applying the detergent composition to the surface, from which the adhesive is to be removed, and removing the adhesive from the surface for less than 10 minutes, wherein the detergent composition comprises an organic solvent, an amine solvent, a chelating compound, a surfactant and less than 25 wt % of sodium hydroxide (alkali), wherein the organic and amine solvents replace, at least, a portion of alkaline solution, where the organic solvent is benzyl alcohol and where the temperature of the detergent composition is less than 70°C.EFFECT: complete removal of adhesive labels at a lower temperature, shorter duration or under less alkaline conditions.19 cl, 7 tbl, 6 ex, 11 dwg

Glue spreader node, equipped with rollers cleaning device // 2632495
FIELD: machine building.SUBSTANCE: node for connecting the machine comprises a plurality of rollers (R), which rotate in contact with each other for the transfer of a thin layer of adhesive from the tank (T) and the head of the issuance of the film that is in motion, and a device for cleaning the rolls (R), made to be attached to the spreader assembly. The apparatus comprises a support structure (2) to the movable means, at least one reservoir (5, 6) accommodating at least one cleaning fluid, and pressurizing means (8) for moving said fluid to the distribution means (12). The node further comprises a system (15) is moving next to the outer casing (C) assembly operable to move the dispensing means (12) in a direction parallel to the roller axis. The movement system is capable of removable connection to the distribution means. Distributing means (12) comprises a distributor head (13) attached to its inlet Pumping means (8). The dispensing head is connected to one or more feeding tubes (17) equipped with nozzles for the location near the roller surfaces.EFFECT: efficiency and accuracy of the distribution of the adhesive, automatic and does not require the use of labour, cleaning rollers, ease of installation.10 cl, 3 dwg

ethod of removing the paint, printed on polymer films // 2630819
FIELD: chemistry.SUBSTANCE: invention opens the way to remove the paint, printed on polymer film containing various methods of physical/chemical treatment. According to the method, the raw material with the ink printed on it in the plunger is pretreated to obtain a film without foreign objects. Further, the film is ground without foreign objects in the chopper. The paint is removed from the film by a cleaning solution consisting of a solution of surfactants in water with a basic pH in the purification system. In this case, a treated polymer film containing a portion of the cleaning solution and dispersed paint residues and, in addition, a cleaning solution together with the paint removed from the film is obtained in the cleaning tank in which the blades are blended. The treated polymer film is washed in mentioned cleaning system containing at least three tanks to produce a clean film without paint and residual cleaning solution. The cleaning solution is reconstituted in a centrifuge. The pigment is reduced in the reactor for heat treatment. The film is dried in a dryer to form a ground film without paint and a cleaning solution.EFFECT: obtaining two products: a polymer film without paint and pigment for reuse in industry, reducing the amount of waste.11 cl, 2 dwg

ethod of manufacturing closed metal ring and device for removing polymers from closed metal ring // 2627829
FIELD: technological processes.SUBSTANCE: invention relates to the field of manufacturing of the variator belts of vehicles using the technology of preventing nitriding defects. In a drum made of polymers, a closed metal ring is polished, a cleaned ring is rolled, nitrided and the adhered polymers are removed. The device comprises a holding tool, a rotation mechanism, a washing tank with an ultrasonic cleaning fluid, and an ultrasonic wave generator.EFFECT: elimination of nitriding defects.8 cl, 15 dwg

ethod for cleaning rotary components // 2626642
FIELD: machine engineering.SUBSTANCE: component is placed in a cylindrical chamber, wherein a cleaning medium is supplied with a head, and the component is driven into a rotary motion. The components are additionally brought to oscillating vibrations along its axis, ensuring periodic discharge and compression of the cleaning medium. The supply of the cleaning medium is carried out through at least one slit, formed at the end of the chamber at an acute angle in the direction opposite to the direction of the component rotation. The gap between the end face of the component and the end face of the chamber is set equal to: h=(1.5-3)⋅A, where A is the amplitude of the oscillating vibrations, mm. The gap between the outer surface and the inner surface of the chamber must be sufficient to prevent excessive pressure in the area of the cleaning medium flow, which substantially reduces the flow velocity.EFFECT: increased intensity and quality of cleaning.2 dwg

ethod for cleaning and drying rotary components // 2626641
FIELD: machine engineering.SUBSTANCE: method for cleaning and drying rotary components, in which the component is brought to rotation and compressed air flow is directed to its surface. The rotation frequency of the component is set sufficient to remove small particles and moisture under the action of centrifugal force from the surface to be cleaned and is determined by the formula: . The cleaning and drying time is determined according to the dependence: where n is the rotational speed of the component, r/s; λ is the friction coefficient of impurities relative to the surface to be treated; g is the free fall acceleration, mm/s2; d is the diameter of the surface to be cleaned, mm, τ is required processing time, s; wν is specific energy of nondissociative adsorption of liquid molecules on the surface to be cleaned, J/kg. The nozzle, using which the compressed air is supplied in a direction opposite to the direction of component rotation, is placed at an angle to the surface to be cleaned, which has a maximum effect on surface cleaning.EFFECT: improved quality of cleaning and drying the surface of the rotation bodies, providing more even surface cleaning, increased processing capacity due to the high intensity of cleaning, simplified practical implementation of the method.1 dwg
ethod for cleaning tubing and device for its implementation // 2626636
FIELD: machine engineering.SUBSTANCE: cleaning method includes the action of a jet of low-temperature plasmatron plasma on the surface to be cleaned, gasification and thermal dissociation of the purification products and their subsequent recombination into the simplest molecules of water and carbon dioxide, relative movement of pipes and plasmatrons. The outer surface of the pipe is cleaned with jets of low-temperature plasmatron plasma until melting of the boundary layer between asphaltene deposit inside the pipe and the inner wall of the pipe. The deposits are then removed from the interior of the pipe. After this, a jet plasmatron is injected into the tubing or a pipe is rolled over the jet plasmatron with the possibility of thermodynamic action of the plasma jet on the inner surface of the tubing. The cleaning products of the inner surface of the pipe are extracted through the free end of the pipe to which the gas conduit is connected with the possibility of pumping liquid and gaseous cleaning products of the tubing interior into it.EFFECT: cleaning of the inner and outer surfaces of tubing with a minimum of waste and environmentally friendly.27 cl, 6 dwg
Amber cleaning method // 2626468
FIELD: chemistry.SUBSTANCE: invention can be used, in particular, for cleaning and removing the oxidized crust from the surface of amber raw materials.EFFECT: improving the quality of cleaning amber raw materials, minimizing the loss of valuable raw materials during cleaning, the ability to clean amber fines and amber irregular shapes with a lot of depressions and bulges, retaining the original shape of the amber, accelerating the cleaning process while simplifying the technological process of cleaning the amber, reducing energy consumption, using only harmless non-toxic solutions to remove the oxidized crust.5 ex

Contactless method of controlled hydraulic magnetic bearing and treatment device for its implementation (variants) // 2625878
FIELD: technological processes.SUBSTANCE: method is performed by simultaneously acting on the bearings guided traveling magnetic fields and turbulent flow of cleaning liquid. Traveling magnetic fields in the cleaning chamber are created by movement in a horizontal plane parallel to the bearing plane of rotation of the magnetic fields from the respective sources of magnetic fields. Traveling magnetic field moves in the space in the forward and backward directions with an amplitude and frequency which are determined respectively to changing intensity and velocity of movement of the original magnetic fields. Jets of cleaning fluid, which is used as aqueous polar solutions, nonpolar hydrocarbon substances - aviation kerosenes, gasolines or mixtures thereof, as well as mixtures thereof - without heating or preheated, is supplied under pressure directly into the path of rolling bearings. The induced by magnetic fields hitless running speed rotation of free rings and bearing parts, creates a turbulent flow of washing liquid, which in combination with the action of the magnetic fields of traveling beyond endure particle contamination as a bearing metal and non-metal origin. Quality control is carried out simultaneously with the purification and drying of bearings by vibration sensors and/or noise with a spectrum analyser. The particles of dirt are removed from the cleaning chamber by filtration washing liquid.EFFECT: purification efficiency, simultaneous treatment of large quantities and different sizes of bearings from contamination of various origins.4 cl, 4 ex, 8 dwg

ethod of ultrasonic machining and installation for its implementation // 2625465
FIELD: technological processes.SUBSTANCE: method consists in immersing the end surface of the rod concentrator in a liquid and excitation of longitudinal oscillations in it. A concentrator with a variable internal profile is used as the core concentrator. The cleaned burner device is fixed vertically at the end of the core concentrator. The passive overlay, piezoceramic transducer, rod concentrator and the cleaned burner device of the gas pumping unit fixed on it form a single oscillating system, the total length of which is nλ, where λ is the ultrasonic wavelength, n = 3, 4, 5. The cleaning liquid is pumped through the channels and openings of the cleaned burner device of the gascompressor unit in a closed loop.EFFECT: improved contamination of internal and external surfaces, as well as channels and openings of gas-discharge tubes of burner devices of gascompressor units.5 cl, 2 dwg

ethod of monitoring system operation of processing liquid food product // 2625236
FIELD: food industry.SUBSTANCE: processing system comprises at least one section (110, 120) through which the liquid foods during processing and cause sludge deposition in mentioned section (110, 120), and at least one sensor (112, 114, 122, 124) configured to detect a pressure difference in mentioned at least one section for monitoring the removal or precipitation of mentioned sludge. The processing system is configured to stop the passage of fluid when a certain pressure difference is a predetermined parameter. The processing system is configured to identify the product being processed by the system, and associating the predetermined pressure difference metric with mentioned product.EFFECT: maximum degree of purification in minimum time.25 cl, 4 dwg
ethod of lithography equipment protection from dust metallic particles // 2623400
FIELD: technological processes.SUBSTANCE: method comprises charging dust metal particles and exposure on the charged dust metal particles by electric field directed along the surface of the protected operating element of the lithography equipment. Dust metal particles are charged with a stream of electrons, while the electron energy Eel and the product of the electron flux density J0 by transverse dimension X of the electron beam is given in a certain ratio.EFFECT: improved lithography equipment protection efficiency.

echanized machine for drain pipes cleaning // 2623240
FIELD: construction.SUBSTANCE: machine, according to the first implementation version, includes the cable, the motor unit which is in mechanical communication with the cable and made with the possibility of rotating the cable along the longitudinal cable axis. The motor unit comprises the motor and the motor control device. The motor control device is made with the possibility to transform alternating current into direct current, wherein the motor control device transmits direct current to the motor. The machine additionally comprises the casing adapted for accommodating the motor unit, and the rotation speed control device communicating with the motor unit made with the possibility of varying the operating frequency of motor rotation in the range of operating rotation frequencies. According to the second implementation version, of the machine comprises the frame assembly, the housing accommodating the cable, the cable, the electric motor mounted on the frame assembly. The machine according to the third implementation version comprises the frame assembly comprising several long tubular elements, which comprise the first and the second bottom supporting elements, the angular loop element extending between the first and the second bottom supporting elements, the vertical loop element, the vertical mounting plate attached to the vertical loop element. The vertical mounting plate comprises the opening and the upper supporting element comprising the fixed end and the free end. The machine additionally comprises the drive shaft extending through the opening in the vertical mounting plate, the cable comprising an actuating end, which must be inserted into the drain, the drum mounted rotatably on the drive shaft, the motor and the control device of the rotation frequency made with the possibility to determine the current operating frequency of the motor rotation.EFFECT: increased efficiency and safety in the removal of obstacles from a sewer or a drain.20 cl, 12 dwg

Piezoelectric device for ultrasonic cleaning aeronautical and filter elements and filtered discs and method of cleaning with its use // 2621801
FIELD: technological processes.SUBSTANCE: device contains technological cleaning positions in a solution of a technical detergent, rinsing with tap water from a solution of a technical detergent, rinsing in a rinse solution, drying with heated air and a rinse unit installed in a single frame, and a bath equipped with a overflow system and filter units. The detergent solution preparation unit contains tanks with heaters and sensors for monitoring the level and temperature of the washing solution, provided with a system for supplying the corresponding washing solution from the corresponding line, a check valve and a regeneration unit for the washing solution, the inlet of which through the filter is connected to the tank of the said detergent solution preparation unit, and the outlet is connected through the check valve to the bath, cleaning and washing positions contain ultrasonic transducers mounted on the radiating membrane, which is the bottom of the bath. The drying position comprises a fan connected to the drying chamber with a heated air temperature sensor through the heater. In the cleaning and washing positions, the output of the regeneration unit of the washing solution is connected via the air valve to the compressed air network for its impulse delivery into the interior of the filter elements. In the cleaning, washing and rinsing positions, at least, one cassette for accommodating the filter elements is inserted, comprising posts with a pipe installed on them, docked with check valves and a rotation unit and rotatable therein for the filter elements, to seal the detergent solution, pressurized air from the check valve into the internal cavity of the filter elements and pumping out of it through the filtration network of the filter elements into the bath with the detergent solution. The device contains one bath in cleaning, washing and rinsing position, connected to the detergent solution preparation unit containing detergent solution and rinse solution tanks. Before the technological cleaning position, the technological blast cleaning position is introduced, which purifies the internal surface of the equipment with an uncharged bath and cleans the filter elements and filter discs of increased contamination, when they are loaded into the bath containing the blasting system. The blast cleaning system has jet circuits designed to access jets with 100% coverage of the equipment internal surface. The device is equipped with a control panel with the software installed in it, including the programs marked on the control panel: "Filter cleaning", "Dirty filter cleaning" and "Equipment cleaning", and made with the possibility of an automated control process of the said technological positions through the control elements. Control elements include taps and a valve and are designed to include specified flows of working bodies with the required parameters, specified duration, sequence and automation of the cleaning process and with the possibility of adjusting cleaning programs and taking into account the condition of filter elements and filter discs, their contamination and pollution type by adjusting the operation mode of the control elements.EFFECT: simplifying the device design, improving quality and reducing cleaning time.3 cl, 2 dwg
ethod of laser cleaning metals // 2619692
FIELD: machine engineering.SUBSTANCE: method of cleaning metals involves using a spot on the surface to be cleaned with a laser power density sufficient for the occurrence of thermal destruction processes of the coating. For this purpose, continuous laser radiation is used, the spot of which on the product surface is continuously moved along a closed circular path, the curvature center of which is linearly moved along the trajectory of any configuration to obtain a continuous processing strip.EFFECT: increasing the laser cleaning productivity of metal surfaces by increasing the width of the surface strip to be treated and increasing the reliability by simplifying the used schemes.4 ex, 6 dwg
ultifunctional gel piston for pipelines cleaning and separation of environments and method of its obtaining // 2619682
FIELD: oil and gas industry.SUBSTANCE: multifunctional gel piston for pipelines cleaning and separation of environments is a composition comprising a water-soluble polymer, a hydrocarbon liquid, an organic cross-linking agent, for which polymethylol derivatives are used, inorganic cross-linking agents and water. The method of obtaining the gel piston comprises sequential dosing of components into fresh, or mineralized, or diluted formation water during the mixing.EFFECT: invention provides a high degree of pipelines cleaning and safety in the performance of cleaning operations.3 cl, 2 tbl

Clarification machine for parts manufactured by industrial method // 2618816
FIELD: machine engineering.SUBSTANCE: treatment plant comprises at least two spatially separated from each other working chambers (4, 5, 23) for cleaning parts (2) and one adjacent, spatially separated from them chamber (3) of the robot for receiving a robot for manipulating the items (2) in a cleaning installation, arranged on a common base plate (7). For each of the working chamber (4, 5, 23) its own hydraulic circuit is provided for supplying a process fluid to the working chamber (4, 5, 23). Working chambers (4, 5, 23) and the chamber (3) form a common base area (9) and the base plate (7) form the base surface (8). The base surface (8) of the base plate (7) exceeds the total area of the base (9) of the working chambers (4, 5, 23) and the chamber (3) of the robot. The base plate (7) provides at least two spatially separated cavities (10, 11, 20) for receiving the process fluids. The cavities (10, 11, 20) at least partially pass beneath the working chambers (4, 5, 23) and at least partly outside the common base area (9) of the working chambers (4, 5, 23) and the robot (3) chamber. On the base plate (7) over at least one cavity (10, 11, 20) at least one hydraulic component of the hydraulic circuit is mounted.EFFECT: compact installation, availability of hydraulic components for maintenance.6 cl, 5 dwg
Plant for washing wafers // 2618492
FIELD: instrument making.SUBSTANCE: invention relates to equipment for semiconductor devices production and can be used for degreasing and washing wafers. Plant enables successive washing wafers in organic solvent vapor and in liquid, providing closed cyclic process, characterized by high processability, since it does not require an operator, and high cost-effectiveness because one solvent loading is enough to degrease a large number of wafers.EFFECT: technical result is decreased cost and labor intensiveness of washing due to the fact that the unit for washing of wafers is made in the form of a chamber, consisting of upper and lower compartments, connected by a nozzle, lower compartment of the chamber is designed for a solvent, and in the upper compartment there is a cassette with processed wafers, bottom of the upper compartment is inclined, in the lower point of the inclined bottom there is an inlet of the drawoff nozzle, outlet of which is arranged in the lower compartment of the chamber, and the upper part of the drawoff nozzle is located at the level of the upper wafers edge in the cassette, chamber is equipped with a nozzle-refrigerator located in the upper compartment, and a heating element placed under the lower compartment.1 cl, 1 dwg

Technological complex for tanks neutralisation after nitrogen oxidators draining // 2617769
FIELD: technological processes.SUBSTANCE: technological complex contains nitrogen oxide removal system 1, including storage tank 11 and vacuum compressor pump10, heated water tank 2 with metering pump 3, tanks 4 and 5 with process solutions, discharge nozzles of which with stop valves 26 and 27 are connected by a pipeline, and the pipeline is connected to the suction pipe of the second metering pump 6. Pumps 3 and 6 are connected to neutralised tank 14. The gas space of tank 14 is communicated with nitrogen oxidant vapour neutralisation system 7 and drying system 8 of the inner surface of tank 14, at the outlet of which check valve 37 is installed. The discharge connection of the first metering pump 3 is additionally connected to additional container 9 for neutralisation products.EFFECT: quick and effective neutralisation of the tank after nitrogen oxidants draining with minimal labour and time costs.1 dwg, 2 tbl
Surface cleaning method of refractory structures at increased temperatures // 2617154
FIELD: technological processes.SUBSTANCE: cleaning method includes a preliminary technical examination of the refractory structure to develop detailed project of repair organization, removal of the refractory structure door, product delivery from the refractory structure under repair, protection of the refractory structure door opening with special material from the atmospheric temperature effects, preparation of the required materials, equipment and tools for repair, opening the protective material in the doorway near the refractory construction repair area, cleaning of the refractory structure surface by applying an abrasive material through a nozzle to the refractory structure working portion. The refractory structure is cleaned by microcuts formed by applying an abrasive material to the refractory structure processing portion. The abrasive material humidity is not more than 0.2%, the attack angle of is 15°-85°, and the distance from the nozzle to the refractory structure treated surface is 6-11 nozzle diameters.EFFECT: improved preparation quality of the refractory structures surface to ensure optimal adhesion of the protective coating applied to the refractory structure surface with reduced time of the defective portion processing.11 ex

Device for drying and cleaning products // 2617102
FIELD: machine engineering.SUBSTANCE: loading mechanism is designed as a drive, which is a hollow cylinder with the possibility of the piece goods load into it, and a pusher piece feeding articles from the bottom of storage in the working area. Rotating mechanism is designed as a mandrel for installing products and cleansed engine speed is kinematically associated with the mandrel. The apparatus further has a product on the mandrel setting mechanism consisting of a circular plate with a channel and air distribution nozzles for directing compressed air with a high air pressure on the surface to be cleaned, and a spring-loaded pusher slidably mounted thereon products under pressure of compressed air onto the mandrel.EFFECT: removing from the surface of the product not only moisture but also the technological pollution, improving the quality of cleaning, ensuring the drying of the product.1 ex, 3 dwg

obile technological complex of hard tanks cleaning and washing // 2616051
FIELD: technological processes.SUBSTANCE: technological complex comprises a volume pump 1 with a washing liquid supply tank 2 connected with a flexible hose 4 to spray devices and arranged on a trolley made as a movable articulated frame structure fixed to a suction pipe 18 with a hydraulic valve 19 and a diffuser 20. On the suction pipe 18 there is a platform 22 for control equipment 23 fixing on it which is made in the form of adjustable and nonadjustable throttles and spool valves. A flexible conduit 17 is connected to the suction pipe 18 from the vacuum unit. The complex contains a hydraulic drive with a volume pump 6 and a tank 7 for working fluid. The hydraulic drive is connected with flexible hoses 9 and 14 through the control equipment 23 to the hydraulic motors 10 and 11 mounted on the wheelsets of the wheel set frames 21 and tracks connected to the driving wheels, the hydraulic cylinder 12 of the wheel decouplement (rollup) and to the hydraulic cylinder 13 of the rod 24 in the vertical plane. The rod 24 consists of removable sections. A comb with nozzles 25 is fastened on each section.EFFECT: invention allows to exclude the presence of people inside the reservoir during the stripping process and to increase the efficiency and quality of stripping.5 dwg

Fluid flow heating system in pipes // 2614280
FIELD: electricity.SUBSTANCE: system includes a heating cable, which is placed in the zone of possible wax formation or pipeline freezing, the transition terminal box for the heating cable connection, heating control station, the cable pusher, creates an additional stress for unwinding the heating cable from the technological drum and pushing through the inclined insertion in the pipeline, parasol-piston, which is mounted on the tip of the heating cable. Umbrella-pistal opens and creates pulling force under the action of the flow of the technological fluid and closes after cable mounting under the action of excess pressure in the pipeline. There are load-bearing core and separating bundles made of high-strength aramid fibers in the heating cable. There is an implemented automatic adaptive cable heating control system in the control station on the current values of the pressure and temperature of the fluid in the pipeline, as well as the system of remote control and cable heating control.EFFECT: simplifying the process and reducing cable installation time, implementation of the heating in automatic mode with minimal costs.3 dwg

Off-road vehicle // 2613751
FIELD: transportation.SUBSTANCE: invention relates to off-road vehicles using an air cushion, for instance, in open pits after blasting works. Vehicle comprises a body, a bottom, a flexible barrier of the air cushion cavity made along the perimeter of the body bottom, nozzles to supply compressed air, a suction air intake of an air blower, relief pipelines, a cargo container. Besides, outside the perimeter of the flexible barrier of the air cavity, the bottom is equipped with a looped elbow with nozzles to suck in loose material. Besides, the looped elbow by means of relief pipelines is equipped in series both with the cargo container to collect loose material and to clean air from it, and an air intake.EFFECT: invention provides for collection and transportation of dust generating loose material from soil surface.1 dwg

Washing rig // 2610776
FIELD: machine building.SUBSTANCE: invention relates to power machine building, in particular to the methods of washing of circuit systems of nuclear steam generating units (NSGU), and can be used during pipelines washing of different power facilities, and during repair of the power and transportation systems. The rig comprises a day tank for flushing water, motor-driven pumps, pipelines with valves, mechanical filters and an ion-exchange filter, steam and electrical heaters, a heat exchanger, a drying system using inert gas or compressed air. The rig comprises a device for direction change of flushing flow, it comprises two pipes crossing without contact, one pipe is connected with a heating pipeline via motor-driven three-way valve, and with drainage pipeline via tee, and second pipe is connected with pressure pipeline via the second tee, and with drainage pipeline via similar three-way valve. For the rig internal flushing between drainage and pressure pipelines a jumper is installed, it is made out of two parts connected by wafer membrane with set of rings with different internal diameters. The day tank has sockets closed with folded covers with seals, with installed filtering elements. Above the day tank perpendicular to its sockets the branches of the drainage manifold with shut-off valves are installed. Wherein the support flanges of the filtering elements lay on ring sites of the sockets, and the filtering elements via through openings of the sockets are partially immersed in the flushing water of the day tank cavity.EFFECT: design of high capacity, reliable and relatively inexpensive washing rig ensuring rated cleanness and demineralization of the flushed systems at significant reducing of the flushing time.4 cl, 7 dwg

Technological complex for decontamination of reservoirs after propellant fuel drainage // 2610748
FIELD: transportation.SUBSTANCE: invention relates to devices for decontamination of facilities for storage and transportation from remains of toxic fluids, in particular, from propellant fuel. Technological complex installed on a vehicle comprises a system (1) for removal of propellant fuel remains, comprising an accumulating tank (14) and a self-priming pump (15), a heated water reservoir (2) with a dosing pump (3), tanks (4) and (5) with process fluids and a dosing pump (6). Dosing pumps (3, 6) and a flushing plant (7) are connected to a neutralized reservoir (19). The gas space of the reservoir (19) communicates with a filter-absorber of propellant fuel vapors (9) and a system (11) for drying of the inner surface of the reservoir (19). A compressor (10) by a pipeline (47) communicates with a cleaning pipe (18) of the reservoir (19). The discharge nozzle of the dosing pump (3) is connected to an auxiliary tank (39) of the plant (7). Power is supplied to the complex from an AC generator via a power takeoff device of a motor.EFFECT: invention increases efficiency and minimizes labor and time inputs for reservoir decontamination.2 dwg, 1 tbl
Repair procedure of pipe and tube products used in petroleum industry // 2610508
FIELD: oil and gas industry.SUBSTANCE: invention falls into the area of the oil and gas producing industry and may be applied at the repairing works of the pipe and tube products of the petroleum industry. In repairing at the pipeline section, 3 holes are dug. The pipe is opened up in the holes. 2 rubber line squibs are placed to the pipe in the middle hole, one line squib is placed to the third hole. The pipe is bundled, sealed and then the guide for lowering the flexible pipe is installed in the pipeline. The operating fluid is run in and the rubber line squibs are pumped through in the middle hole in opposite directions with the output of one line squib in the first hole and shutting down of the second line squib on the pipeline section. In the third hole sideward of the well the third flexible pipe is lowered to the pipeline with the constant circulation of the operating fluid through the flexible pipe. At the shutting down the polluted fluid is extracted to the ditch system. The flexible pipe is laid alternately in both sides of the pipeline with the definition of the meterage of the lowered flexible pipe to achieve the setting, which is determined by the increase of pressure of the flowing operating fluid on the pipeline section with the line squib and with the definition of the fineness of the pipeline section, which does not contain the line squib. The flexible pipe is raised and the guide is dismantled. The pipeline section is cleansed with the operating fluid in the opposite direction from the well with the output of the third line squib to the third hole. The pipeline section, in the place of setting the flexible pipe, is opened up, the pipeline section with the petrified deposits is cut out, the line squib is extracted of it. The pipeline section is replaced to the new section, all the guides for lowering the flexible pipes are dismantled, the integrity is restored and the pipeline is brought into the operation.EFFECT: invention allows repairing the pipeline virtually of any curvature without drilling out the internal pipeline space.1 dwg

Device and method of cleaning plants for protection of atmosphere from emissions in coke-quenching towers // 2610123
FIELD: ecology.SUBSTANCE: invention relates to a device and a method of cleaning plants for protection of the atmosphere from emissions in coke-quenching towers. Device is attached to the bearing structure in the exhaust pipe of a coke-quenching tower and has nozzles spraying a liquid onto the plants for protection, herewith the nozzles are located onto a linearly movable element, which comprises two support components and one transverse component, onto which the nozzles are located and which is attached to the support components.EFFECT: invention provides intensive and reliable cleaning the plants for protection of the atmosphere from emissions, accuracy and uniformity of distribution of the liquid sprayed per unit area and reduced volume flow rate of the liquid.10 cl, 2 dwg
ethod for laser separation of rubber and polymer coatings // 2607736
FIELD: technological processes.SUBSTANCE: invention relates to removal of rubber and polymer coatings, glued to surface of various structures. Described method is based on local infrared laser thermal action directly on zone of adhesive layer. Laser beam at rate providing required heating is used to scan adhesive layer in zone of contact of coating and surface of structure. When temperature values reach 60÷150 °C strength of adhesive layer falls by almost an order, that makes it possible to remove a coating layer from surface of structure using an applied tension force.EFFECT: reduced labor input, power consumption, high efficiency of removal of rubber coatings, providing a method which is safe for personnel by avoiding burning of rubber coating.3 cl, 1 dwg
 
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