Device to control lifting-digging mechanisms
SUBSTANCE: device to control lifting-digging mechanisms comprises a compressor, an oil and moisture separator and a receiver, pneumatically serially connected to each other. At the same time the outlet of the receiver is pneumatically connected to inlets of adsorbers with evenly distributed heaters, and outlets of adsorbers are pneumatically connected to a load. The compressor is equipped with a suction filter, comprising a casing with a conical bottom, a nozzle of cleaned air exhaust, a condensate extractor, installed in the bottom hole, a reflecting partition and a nozzle of cleaned air supply. The filter casing is made in the form of a double-layer jacket with an air cavity connected by the nozzle of heating regenerated air supply by means of a pipeline and a control valve with adsorbers by a nozzle of heating regenerated air discharge into atmosphere. Evenly distributed heaters in adsorbers are separated by partitions from adsorbent grains. At the same time each of the partitions is made of a bimetal. Besides, the material of the bimetal at the side of the heater has a conductivity ratio that is 2.0-2.5 times higher than the material at the side of adsorbent grains.
EFFECT: maintenance of efficient operation during long-term operation of a control device of lifting-digging mechanisms, by provision of specified quality of compressed air drying due to elimination of thermal damage of adsorbent grains.
The invention relates to pneumatic control systems for excavators and cranes, working in freezing temperatures.
Known control device lifting and digging mechanisms (see RF patent 2158805, IPC E02F 9/22, publ. 10.11.2000)containing the compressor, moisture separator and receiver, pneumatically connected in series to each other, and the output of the receiver pneumatically to the inputs of the adsorbers with uniformly distributed heaters, and conclusions of the adsorbers is pneumatically connected to the consumer, the compressor is equipped with a suction filter, comprising a housing with a conical bottom and a hole in its lower part, a fitting conclusion purified air trap located in the hole of the base plate, the reflective septum, nipples input cleanable air filter housing made in the form of a double-layer shirt with an air cavity, which is connected by a hose warming regenerated air through the pipeline and control valve with adsorbers and a fitting conclusion warming regenerated air to the atmosphere.
The disadvantage is the power consumption due to an increase in aerodynamic drag of the air filter due to the presence in the intake atmospheric air a significant amount of solid particles technological dust, about reclaimed specific operating conditions, and the presence of solid particles in the cavity of the compressor not only reduces its mass productivity on compressed air, but also contributes to emergency mode, which ultimately reduces the efficiency of lifting and digging mechanisms.
Known control device lifting and digging mechanisms (see RF patent 2400598, IPC E02F 9/22, publ. 27.09.2010)containing the compressor, moisture separator and receiver, pneumatically connected in series to each other, and the output of the receiver is pneumatically connected to the inputs of the adsorbers with uniformly distributed heaters, and conclusions of the adsorbers is pneumatically connected to the consumer, while the compressor is equipped with a suction filter, comprising a housing with a conical bottom and a hole in its lower part, a fitting conclusion purified air trap located in the hole of the base plate, the reflective wall, the hose cleaned air, and the filter housing made in the form of a double-layer shirt with an air cavity, which is connected by a hose warming regenerated air through the pipeline and control valve with the adsorbers and a fitting conclusion to the atmosphere warming the reactivated air.
The disadvantage is the lower quality compressed air drying due to thermal destruction of the grains of the adsorbent, the con is asterousia with uniformly distributed heaters by volume of the adsorber, which leads to deterioration as pneumatic equipment, and lifting and digging mechanisms.
Technical challenge is maintaining an effective working during long-term operation of the control device of lifting and digging mechanisms by providing a given quality compressed air drying by eliminating thermal destruction of grains of the adsorbent by direct contact with their uniformly distributed throughout the volume of the adsorbers heaters.
The technical result is achieved in that the control device lifting and digging mechanisms contains the compressor, moisture separator and receiver, pneumatically connected in series to each other, and the output of the receiver is pneumatically connected to the inputs of the adsorbers with uniformly distributed heaters, and conclusions of the adsorbers is pneumatically connected to the consumer, while the compressor is equipped with a suction filter, comprising a housing with a conical bottom and a hole in its lower part, a fitting conclusion purified air trap located in the hole of the base plate, the reflective wall, the hose cleaned air, and the filter housing made in the form of a double-layer shirt with an air cavity, which is connected by hose warming regenerated air through trubor the water and regulating valve with adsorbers and a fitting conclusion to the atmosphere warming the reactivated air, moreover, on the inner surface of the fitting input of cleaned air, made in the form of a tapering nozzle, are curved groove with a profile in the form of a dovetail, and its inlet is made of a circular groove, combined with a device for removing contaminants, with a circular groove is connected with the curved grooves and with a grid.
Figure 1 shows a schematic diagram of the control device of lifting and digging mechanisms; figure 2 - profile curved grooves in the dovetail; figure 3 - the inner surface of the fitting input of cleaned air to the device remove the dirt.
The device consists of a series connected system of pipes (ducts) 1 suction filter 2, compressor 3, the moisture separator 4, a receiver 5, two cyclically operating adsorbers 6 and 7, a heater 8 with thermostats 9, secured to each heater element 8. In this case the suction filter 2 includes a housing 10 made in the form of a double-layer shirt with an air cavity, a conical bottom 11 with a hole 12 in its lower part, a fitting conclusion cleaned intake air 13, fittings enter cleaned air 14, a valve 15 located in the hole 12 of the conical bottom 11, the reflective wall 16, the hose heating is the future of air 17, the pipe 18 connecting through control valve 19 fitting 17 with adsorbers 6 and 7, the nozzle of the discharge of heated air into the atmosphere 20, with the control valve 19 also provides an air vent after the regeneration of the adsorbers in a positive atmosphere at ambient temperatures. On the inner surface 21 of fitting the input of cleaned air 14 made in the form of a tapering nozzle, are curved groove 22 with a profile in the form of a dovetail, and his entrance opening 23 is made in a circular groove 24, connected to the removal device of contamination 25, with a circular groove 24 is connected with a curved grooves 22 and provided with a grid 26.
The heaters 8 in two cyclically operating adsorbers 6 and 7 from the grains of the adsorbent 27 separated by partition walls 28, each of which is made of bimetal, and the material 29 from the side of the heater 8 has a coefficient of thermal conductivity (for example, the coefficient of thermal conductivity of aluminum is equal to 207 W/(m·d), see, Nashchyokin CENTURIES of Technical thermodynamics and heat transfer. M., 1980. - 469 C. Il.) 2.0-2.5 times higher than the material 30 (e.g., coefficient of teplovodne brass is 85 W/(m·g)) from the grains of the adsorbent 27.
The device operates as follows.
It is known that at high temperature air or gas in the process of regeneration of the adsorbent and the OS is Benno, by direct contact of the grains of the adsorbent with heater observed thermal destruction by cracking (see, for example, Serbinova E.N. Industrial adsorption of gases and vapors. M.: Higher school, 1989. - 368 SIL.). The result is drastically reduced as the purification of compressed air and the operational reliability of the overall device control lifting and digging machines. When eliminating direct contact of the grains of the adsorbent 27 and heater 8 through the use of walls 28 of the bimetal observed redistribution of heat flux, since thermal conductivity of the material 29 is higher, the heat from the heaters 8 quickly dispatched by material 29 of the partition 28, and after contact with the material 30 decreases the rate of heat flow (see, for example, p.40. Choi PV calculation Methods of the individual tasks of heat and mass transfer. M: Energy, 1971. - 384 SIL.). This leads to uniform heating of the grains of the adsorbent with gradually increasing temperature gradient to the normalized values, for example, 100°C., i.e. to maintain the specified regeneration process, preventing thermal destruction of the grains of the adsorbent.
In addition, the partition wall 28 of the bimetal causes during the passage through it of the heat flux to the formation of thermofibre (see, for example, Dmitriev V.G. BIM is of Tallaght. Perm, 1990. - 297 SIL.). This prevents the accumulation of grains of the adsorbent on the partition 28, and in the process of thermofibre point of contact between the partitions 28 grains of the adsorbent is continuously moved on the surface that almost accelerates thermal stress conducive to the destruction of the adsorbent.
The specific operating conditions, lifting and digging mechanisms due to the presence of significant amounts of solid particles technological and atmospheric dust sucked in by the compressor 3 atmospheric air, so at the beginning of his work this mixture of air and mass of dirt is moved to the hose cleaned air 14 and is in contact with the grid 26, while the larger particles are separated from the stream, and smaller through the inlet hole 23 penetrates into the internal cavity of the fitting input of cleaned air 14. As the hose cleaned air 14 is in the form of a tapering nozzle, the flow of intake air pollution increases its speed and moving on curved grooves 22, twists. In the solid particles that have passed the grid 26, the centrifugal force is discarded to the inner surface 21 of fitting the input of cleaned air 14 and fill the cavity of curvilinear grooves 22, which are accumulated and, as a result of these cavities profile in the form of a swallow is and tail, do not fall again into the moving stream, and move to the side of the circular grooves 24, where under the action of gravity moved to the device removing contaminants 25 for subsequent removal manually or automatically (not shown in figure 1).
The remaining fine solid particles with a stream of spinning the intake of atmospheric air, leaving the fitting input of cleaned air 14 made in the form of a tapering nozzle, impinges on the reflective wall 16. As a result of contact of the suction flow of atmospheric air with a reflective wall 16 of the particulate pollution from a drop or lithobates moisture in the majority fall into the conical bottom 11, which are accumulated in the accumulation and released from the suction filter 2 valve 15 through the opening 11.
Cleaned intake air through the fitting conclusion cleaned intake air 13 through the duct 1 is supplied to the compression in the compressor 3, and then through the oil separator 4, a receiver 5 is directed to the drying in the adsorbers, for example in the adsorber 6. Cleaning the intake of atmospheric air from the solid particles and drip or lithobates moisture reduces the intensity of production of pneumonaie from 12% to 18% depending on operating conditions of the compressor.
Osseni the compressed air is supplied to the pneumatic equipment management system lifting and digging machines. At the same time a portion of the dried air is directed into the second adsorber 7, which is in the regeneration mode. First as the regenerative air heater element 8 is activated by the controller 9 and heats the air. The second heater element regenerating air is supplied at a temperature of 100°C. the Power consumption of the second heater element is below the first power and the sum of the costs of heat loss by the body of the adsorber in the environment and heat needed for regeneration. Similarly, there are other elements of the heater, and each of them has an individual connection to the power supply via the controller 9.
Suction filter 2 compressor 3 is in the body area where the suction air temperature close to the ambient temperature or the suction filter 2 is taken out from the body of the room. As a result, when low ambient temperatures, and especially when snow storms, frost or rain observed accumulation of solid impurities and drop or lithobates moisture in the cross section of the inlet air filter. This ultimately leads to increased flow resistance in the suction path of the compressor 3 and, consequently, increases the energy consumption for production of compressed air. Chrome is also the presence of additional moisture in compressed air leads to more severe conditions of moisture separator 4, and the possible entry of moisture into the adsorbers 6 and 7 leads to cracking of the grains of the adsorber, which dramatically affects the drying process and significantly reduces the efficiency of operation of pneumatic equipment lifting and digging mechanisms. Therefore, the proposed design of the suction filter of the compressor 3 provides additional cleaning atmospheric air, especially at low temperatures environment.
Compressed air after regeneration, for example, the adsorber 7 with a temperature of about 80°With the pipe 18 is directed through the control valve 19 to the hose heating air 17 and fills the air cavity of the double layer shirt that made the body 10 of the suction filter 2. Heating the air, giving the heat to the housing 10, is discharged into the atmosphere through the nozzle 20.
Positive ambient temperatures, which do not require heating of the housing 10 of the suction filter 2, the heated compressed air after regeneration of the adsorbers 6 or 7 through the pipe 18 through a control valve 19 is directly emitted into the atmosphere. Drip the moisture emitted from the regenerating air in the atmosphere and partially incoming atmospheric air is in the intake filter 2 compressor 3, after fitting 14, bumping on the reflective wall 16, accumulates in the bottom 11 and through valve 15 is thrown out.
The originality of the proposed technical solution is that the execution of the partition separating from direct contact heater and grains of the adsorbent, bimetal leads to the elimination of thermal destruction of the adsorbent, and the optimal heating of the grains of the adsorbent. While continuously under the action of thermofibre move the contact point on the surface of grains with a moving heat flux, which also improves the regeneration process, as it not only raises the quality of compressed air drying, and increases the efficiency of the device control lifting and digging mechanisms.
The control unit lifting and digging mechanisms that contains the compressor, moisture separator and receiver, pneumatically connected in series to each other, and the output of the receiver is pneumatically connected to the inputs of the adsorbers with uniformly distributed heaters, and conclusions of the adsorbers is pneumatically connected to the consumer, while the compressor is equipped with a suction filter, comprising a housing with a conical bottom and a hole in its lower part, a fitting conclusion purified air, steam trap, located in the twistie bottoms, reflective wall, the hose cleaned air, and the filter housing made in the form of a double-layer shirt with an air cavity, which is connected by a hose warming regenerated air through the pipeline and control valve with adsorbers and a fitting conclusion to the atmosphere warming the reactivated air, wherein the uniformly distributed heaters in the adsorbers from the grains of the adsorbent is separated by partitions, each partition is made of bimetal, and the material of the bimetal from the heater has a coefficient of thermal conductivity of 2.0-2.5 times higher than that of the material from the grains of the adsorbent.
SUBSTANCE: fluid-controlled slide valve is arranged between load mechanism hydraulic cylinder rod end and pressure valve inlet line. Control chamber of said valve is communicated with front shutter drive hydraulic cylinder chamber for it to be closed.
EFFECT: independent operation of hydraulic cylinders.
SUBSTANCE: device to control lifting-digging mechanisms comprises a compressor, an oil separator and a receiver, which are pneumatically connected to each other in series. The outlet of the receiver is pneumatically connected to inputs of adsorbers with evenly distributed heaters, and outlets of adsorbers are pneumatically connected to a consumer. The compressor is equipped with a suction filter. The filter is made in the form of a double-layer jacket with an air cavity, connected by a nozzle of input of heating regenerated air. Adsorbers are equipped with a thermoelectric generator comprising a through channel for regenerated air and a through channel for dried compressed air, inside of which there are accordingly hot and cold ends of a set of differential thermocouples.
EFFECT: reduced power inputs when producing compressed air of specified quality for a device of lifting-digging mechanisms control.
SUBSTANCE: pump-accumulator hydraulic drive to rotate an earth-mover platform comprises a controlled pump, hydraulic distributors, safety and check valves, a hydraulic accumulator, a relay controller, connected to each other by hydraulic manifolds, and a controlled hydromotor. At the same time one of hydraulic distributors is installed between the controlled pump and the controlled hydromotor of platform rotation. Safety valves are valves with two adjustment pressures. The second hydraulic distributor is arranged between the controlled pump and the first hydraulic distributor, serving to change power streams from the controlled hydraulic pump to the hydraulic accumulator.
EFFECT: maximum use of kinetic energy of a rotary platform, reduced wear and lower loads in a mechanism of earth-mover platform rotation, reduced quantity of hydraulic scheme elements.
FIELD: machine building.
SUBSTANCE: proposed device comprises first and second engine openings communication L' and N' for communication with two-way hydraulic motor D, and openings M' and O' for communication with manual-control valve H. Besides, valve device comprises normally-closed proportioning load-adjustment valve E and check valve 12 with outlet communicated with aforesaid second opening N' and inlet communicated with opening O'. Note here that check valve 12 is pre-stressed for opening solely in case its inlet exceeds preset pressure range.
EFFECT: higher reliability.
1 cl, 7 dwg
FIELD: machine building.
SUBSTANCE: proposed device comprises first and second openings L and N in two-way hydraulic motor D, tank T, pump I, manual valve H and first retaining valve 1A, 8. Note here that manual valve is arranged to communicated openings L, N with tank T and pump I. Note here said valve H has two positions. In first position, pump I is communicated via pipeline F with first opening L while tank T communicates via pipeline G with second opening N. In second position, pump I communicates via pipeline G with second opening N while tank T is communicated via pipeline F with first opening L. Note here that first retaining valve 1A, 8 is arranged between pump I and second opening N to open toward second opening N. Besides, device comprises piston 2 to control first retaining vale 3 arranged to communicate first opening L with second opening N and to open toward second opening N.
EFFECT: higher efficiency.
9 cl, 6 dwg
FIELD: machine building.
SUBSTANCE: method of controlling working mechanism includes the following stages: determination of maximum pressure of hydraulic fluid for independent fulfilment of certain task for, at least, one of operating functions; hydraulic fluid supply which pressure does not exceed certain maximum pressure for fulfilment of this operating function; and fluid pressure control with the aid of, at least, one control valve as pressure reducer connected with this operating function.
EFFECT: increase of operation efficiency in condition of large loads at mechanism operating component.
26 cl, 3 dwg
FIELD: machine building.
SUBSTANCE: proposed system comprises first assembly of actuators to control first hydraulic function, pump to feed hydraulic fluid at pressure into said actuators, electrically control valve to control pump discharge pressure by hydraulic signal, first pressure transducer to measure load pressure of the said first assembly of actuators, and control unit to receive signal containing data on load pressure measured by first pressure transducer and to generate control signal corresponding to first measured load pressure to be transmitted to said control valve. Note here that control unit allow determining required pump pressure so that difference between measured load pressure and pump pressure varies depending upon operating conditions.
EFFECT: higher efficiency of control.
18 cl, 3 dwg
FIELD: machine building.
SUBSTANCE: proposed system comprises, at least, one hydraulic cylinder to handle cargoes, accumulator and valve to control flows between said cylinder and said accumulator. Note here that said system comprises first control valves arranged on tube connected to hydraulic cylinder piston side, second control valve arranged on tube connected to cylinder rod side, first hydraulic cylinder pressure transducer, second accumulator pressure transducer, and control unit. Note also that control unit receives signals containing data on pressures measured by aforesaid transducers and to generate signals to control damping control functions. Invention covers also method of damping working tool comprising measuring accumulator and hydraulic cylinder pressures, and controlling damping functions in compliance with measured pressures. Note here that pressures between accumulator and cylinder piston are equalised and flow between accumulator and tank are controlled by control valve arranged on tube secured to hydraulic cylinder piston side.
EFFECT: higher efficiency.
37 cl, 2 dwg
SUBSTANCE: system to control mining machine comprises a hydraulic drive of travel and a drilling rod with a power hydraulic control unit, a hydraulic drive of a loading element and hydraulic cylinders of a drilling rig with a power hydraulic control unit, an electrohydraulic unit of power hydraulic units control with a system of electric interlocks, sources of supply for hydraulic drive and control systems. At the same time power hydraulic units to control a hydraulic drive of travel, a drilling rod, a hydraulic drive of a loading element and hydraulic cylinders of a drilling rig are equipped with additional locking devices installed between sections of the hydraulic control units.
EFFECT: locking of the caterpillar drive and loading element drive during operation of drilling equipment to ensure safety of maintenance personnel.
FIELD: machine building.
SUBSTANCE: test bench for digging-transporting machines of bucket type consists of full-size digging-transport machine of bucket type with hydraulic drive, of loading system, of position sensors and of computer. Each cavity of the hydraulic cylinder of hydraulic drive of working equipment is equipped with the hydraulic system of loading. It includes a regulated throttle with proportional electric control - a back valve and a pressure gauge. The back valve is parallel connected to the regulated throttle with proportional electric control. An inlet cavity of the back valve on a side of the seat is connected to one outlet of a distributor of fluid of hydraulic drive of digging-transporting machine by means of one pipeline; while an outlet cavity of the back valve is connected to the cavity of the hydraulic cylinder of the hydraulic drive of the digging-transporting machine by means of another pipeline. The pressure gauge is connected to the same cavity. The output of the gauge is connected with an inlet of the computer, while an electric input of the control unit of the regulated throttle with proportional electric control is connected with an output of the computer.
EFFECT: simplified design of bench, reduced expenditures for its fabrication and raised reliability of tests.
SUBSTANCE: invention can be used to extract carbon dioxide from flue gases. The apparatus for extracting CO2 has a CO2 absorber and a generator in which CO2 diffuses into a concentrated solution; at least two compressors which compress gaseous CO2 released from the generator; a dehydrating column lying on a section between any two compressors and which reduces the amount of moisture in the gaseous CO2; an apparatus for removing during combustion, which removes the dehydrating agent mixed with the gaseous CO2 in the dehydrating column; and a heat-exchanger which is installed on the section between the dehydrating column and the column for removing during combustion. The heat-exchanger allows heat exchange between CO2 released from any one of the compressors and gaseous CO2 released from the dehydrating column.
EFFECT: invention prevents the dehydrating agent fed into the dehydrating column from falling into the compressor lying downstream after the dehydrating column and prevents precipitation and deposits.
15 cl, 6 dwg
FIELD: process engineering.
SUBSTANCE: invention relates to compressed gas drying using dehydrator with high-pressure vessels. Proposed method comprises forcing first portion of gas into dehydrator via control valve, drying said portion in dehydrator high-pressure vessel, and heating second gas portion to regenerate said high-pressure regeneration vessel. In case temperature in said high-pressure regeneration vessel exceeds upper limit value, control valve starts gradually displacing toward close position. In case temperature in said vessel drops below preset lower limit, control valve gradually displaces to completely open position.
EFFECT: setting required temperature of compressed air.
8 cl, 2 dwg
SUBSTANCE: separator for gas purification contains case with branch pipes of unpurified gas input, purified gas output and liquid output. Gas-distributing device is installed in case and above it installed is filtering section with direct-flow centrifuging separating elements. Each centrifuging separating element of filtering section is provided with coalescing cartridge, which is installed coaxially under centrifuging separating element. Coalescing cartridge is made in form of perforated framework, on lateral surface of which located are alternating drainage and with increasing in radial direction porosity coalescing layers of unwoven fabric, fixed from outside with metal mesh. Each coalescing cartridge is connected with drainage collector, located under filtering section.
EFFECT: reduction of specific quantity of metal and improvement of gas purification efficiency with increase of rate factor in separator
FIELD: process engineering.
SUBSTANCE: invention relates to air drier for oil conservators used in electrical equipment. Proposed air drier comprises drying container 2 with air inlet and dried air outlet 3, air absorbers 4, heaters 5 for recovery of said absorbers, detectors 6 connected to heaters 5 to define saturation of said absorbers. Note here that said detectors 6 include pickup 7 connected to container 2 to measure degree of absorbers drying. Pickup 7 comprises strain gage of expansion or contraction to convert applied force into electrical resistance variation connected to power supply by connectors and container 2 by fasteners 9.
EFFECT: simple design, reliable and efficient control.
9 cl, 1 dwg
SUBSTANCE: invention relates to chemistry. The spherically shaped adsorbent-desiccant is prepared by balling moist powder of a nanostructured oxygen-containing aluminium compound. The granules undergo thermal-steam treatment in air at the first step at temperature 20-25°C for 1-20 hours, at the second step at 100-120°C for 1-20 hours and calcination at 450-550°C in a current of dry air and rate of heating to calcination temperature of 20-50°C/h for 2-6 hours. The nanostructured oxygen-containing aluminium compound of formula: Al2O3-x(OH)x·nH2O, where x is in the range of 0-0.28 and n is in the range of 0.1-0.4, is mixed with a modifying additive such as: CaO and/or Na2O, and/or MgO, and/or zeolite. A spherically shaped adsorbent-desiccant is obtained, which contains aluminium oxide in form of a mixture χ-, η-, γ- and is X-ray amorphous, and a modifying additive such as: zeolite and/or (in terms of) CaO and/or Na2O, and/or MgO is also obtained.
EFFECT: invention increases adsorbent capacity.
11 cl, 1 tbl, 35 ex
FIELD: process engineering.
SUBSTANCE: invention relates to conditioning of natural and associated oil gases, namely, to their drying and cleaning. Proposed method of drying and cleaning of hydrocarbons C6+ comprises bringing them in contact with combined layer of adsorbents consisting of consecutively arranged adsorbent-dehydrator based on aluminium oxide and fine-pored silica gel, and subsequent reactivation of said silica gel and adsorbent-dehydrator by cleaned gas. Here, modified fine-pored silica gel is used containing 0.01-0.5 wt % of carbon compounds. Contact between natural gases with adsorbent-dehydrator and fine-pored silica gel is realised at their ratio of 5-20% of total charge of combined layer of adsorbents.
EFFECT: higher efficiency.
1 tbl, 6 ex
FIELD: process engineering.
SUBSTANCE: invention relates to has industry and may be used for field recovery of triethylene glycol in drying of natural gas. Proposed method comprises absorption of moisture by triethylene glycol from gas flow, stripping of water from triethylene glycol saturated with moisture and returning recovered absorbent to natural gas drying. Note here that, additionally, aromatic hydrocarbons are removed from moisture-saturated triethylene glycol by extracting it by water from used mix with subsequent settling of said mix to complete demixing into top dark brown layer, clarified central layer and bottom black layer. Central layer is drained through filter to filtrate darkening start and film floating up on its surface. Then, central layer filtrate cleaned of solid impurities is fed into the flow of moisture-saturated triethylene glycol fed from absorber into evaporation column for water stripping, hence, completing ethylene glycol recovery.
EFFECT: recovery of moisture-saturated capacity of triethylene glycol at existing units without using complex processing equipment.
FIELD: process engineering.
SUBSTANCE: invention is intended for separating fluid from gas flow after its contact with fluid in drying natural and petroleum gas. Proposed separator comprises casing, crude gas inlet branch pipe, processed gas discharge branch pipe, union to drain fluid separated from gas, moisture collectors, baffle plate and separation elements. Central perforated tube with stopped bottom end is secured in said casing. Separation elements made up of coiled gauze and moisture collectors form separation units are secured and regularly spaced apart over perforated tube height.
EFFECT: higher efficiency of separation and purification.
5 cl, 7 dwg
FIELD: process engineering.
SUBSTANCE: invention relates to railway transport, particularly, to compressed air cleaning and drying equipment. Proposed unit comprises frame to accommodate air cleaning hardware connected with adsorber including housing with inlet branch pipe and branch pipe to discharge regeneration air and condensate, cover, outlet branch pipe, cylindrical cartridge with adsorbent arranged between filtration screens and perforated disks.
EFFECT: higher quality of air treatment and efficiency of unit operation.
FIELD: process engineering.
SUBSTANCE: invention relates to device intended for separation of fluid from medium flow. Said medium represents a gas or another fluid with density lower than that of fluid to be separated. Device 1 comprises structures 2 to separate medium 5 from flow containing fluid drops and directed in countercurrent with separated fluid. The latter flows on surfaces of separation structures (2) that make two stages 21, 22, each furnished with medium flow inlet surface 20a arranged under appropriate outlet surface 20b. First stage outlet surface 20a accommodates collector 3 of fluid flowing back from said stage. Second stage outlet surface 22 also accommodates collector 3 of fluid 42 flowing back from second stage 22. Every collector 3 is communicated via collection channel 32 with manifold 4. Collector 3 consists of multiple components 31. The latter represent parallel composite flutes with flow passages for direct passage of medium flow into separation structure.
EFFECT: simplified process and design.
12 cl, 4 dwg
FIELD: petroleum and gas and other industries; glycol regeneration installations.
SUBSTANCE: the invention is dealt with installations of glycol regeneration with use of vacuum, which may find application in processes of a hydrocarbon gas absorptive drying from a moisture. The invention may be used in gas, petroleum and other industries. The installation includes a saturated glycol feeding pipeline connected through an ejector to an atmospheric column - stripper, which has an outlet branch-pipe of partially regenerated glycol and is fused to the vacuum column supplied with the lower branch-pipe of regenerated glycol withdrawal and the upper branch-pipe of vapors withdrawal, which are linked to a passive nozzle of the ejector. At that the saturated glycol feeding pipeline has a section with two parallel lines, on one of which there is the ejector with a flow meter mounted in front of its active nozzle and connected with a control valve installed on one of the lines. The vacuum column is made in the form of mass-exchange column and equipped with a fixed plate with a located over it branch-pipe of withdrawal of water, a cooling coil in the column upper part and a contact device with low hydraulic resistance in the lower part. The invention ensures efficient regeneration of glycol in the vacuum column and unloading of an atmospheric column - stripper.
EFFECT: the invention ensures efficient regeneration of glycol in the vacuum column and unloading of an atmospheric column - stripper.
3 cl, 1 dwg