Ratio control (G05D11)

G   Physics(391283)
G05   Controlling; regulating(32106)
G05D11                 Ratio control (control of chemical or physico-chemical variables, e.g. ph-value, g05d0021000000; humidity control g05d0022000000; control of viscosity g05d0024000000)(677)

ethod and device for air purification management // 2628557
FIELD: ventilation.SUBSTANCE: with air purification, target quality of the purified air is obtained. The current quality of the air being purified is determined. The rate of production for an air purifier is defined in accordance with the target and current quality. The purification duration, necessary for the rate of air purifier production is calculated in accordance with the efficiency of purification. The cleaner is activated and the remaining time is displayed in real time according to the duration of purification. Control devices for air purification are also proposed.EFFECT: improved air purification.13 cl, 7 dwg, 2 tbl

ethod of forming a water-gas mixture for pumping in a performance well and a control system for its implementation // 2622575
FIELD: oil and gas industry.SUBSTANCE: according to the method, a gas-water mixture is formed for pumping into the injection well. This is done by means of a mixer that is connected at the inlet to the water pipeline and the gas pipeline. The mixer is made with the possibility of a controlled reduction of the inlet pressure and enabling the perturbations in the formation system of the water-gas mixture to be extinguished by the gas valve. Measuring the water and gas pressures in the water and gas lines, is made respectively, before and after the control valves and monitor the pressure differences thereon to control the flow of water or gas. Gas consumption is limited within the operating range. To do this, the resulting pressure drops are compared with a given value of the minimum pressure drop. If the actual pressure drop is greater than the preset minimum, the target water and gas flow rates continue to be maintained. If the actual pressure drop becomes equal to or less than the specified minimum differential pressure, then the control signal to the valve via the gas is applied to the valve via the gas to reduce the flow rate of the injected gas. It is supported on the control valve on the water by injecting it into the well, ensuring self-tuning of the operating mode of the well for pumping the water-gas mixture. How to implement a system to manage the process of formation of water-gas compounds for injection into an injection well.EFFECT: achieving stabilization of water-gas injection of the mixture in the injection hole, preventing excessive wellhead pressure due to borehole gas phase.2 cl, 2 dwg

Automated oil quality control system // 2621415
FIELD: oil and gas industry.SUBSTANCE: automated oil quality control system contains regulators installed in a supply pipeline intended for transporting an incoming oil stream and in an oil pipeline intended for a mixed oil stream and both designed to control the respective oil streams, and it includes calculators of correlation of oil density and/or oil consumption, and/or sulfur content, and/or chloride content, and/or water content in each stream with the respective parameters in a mixed stream. The inputs of each of the mentioned calculators are connected to the outputs of the respective measurers, while the outputs are connected to the respective inputs of a microprocessor, designed for comparing the measured and calculated parameters with predetermined parameters and forming signals of flap position control in respective streams according to the comparison results. The control system of oil quality comprises of at least two tanks for separate oil storage with different quality performance, connected by process pipelines to the supply pipeline at the inlet and to the pipeline for the mixed oil stream at the outlet. According to the invention, the tanks for separate oil storage are equipped with ultrasonic acoustic transmitters which are mounted on the inner wall along the perimeter of the tank housing on rubber plates.EFFECT: parameters of the oil quality in every tank are controlled irrespectively of the duration of the oil storing in the tank.2 cl, 1 dwg

ethod of two-stage dosing and mixing of mixture components // 2621176
FIELD: technological processes.SUBSTANCE: when performing the two-stage dosing and mixing of the mixture components, which includes sequential dosing and mixing of the initial mixture components, preliminary dosing of the mixture components is performed at the first stage. After mixing, the homogeneity and composition of the resulting mixture are analyzed. Then, the amount of additives of the components is calculated to produce a mixture of the desired composition. At the second stage, precise dosing of the calculated amount of additives is performed to adjust the composition of the initial mixture, and the calculation is carried out according to the functional dependence.EFFECT: possibility of obtaining high-quality mixtures of a given composition due to its adjustment and highly precise dosing of components.7 tbl, 1 dwg
Ratio regulator of two media flow rates // 2620631
FIELD: machine engineering.SUBSTANCE: ratio regulator of the two media flow rates includes a system of merging two streams controlled by changing the gap magnitude. It is provided with a two-piece clip, in the sections of which two pairs of the mixed streams identical in the feed channel cross sections, are coaxially formed. A flat rod is located with two transverse channels of the same cross-section for the regulated stream passage, fed into the input section at the given equal pressures, movably between the sections in a tight putting. The channel axis in the stock are located at a smaller distance between them, compared with the clip channel axis, by the amount equal to the channel diameter. When moving the stock, opening the channel of one of the streams and closing the other with the possibility of its complete overlapping, the required flow ratio values are provided in the respective stock position.EFFECT: constancy of the mixed media total flow is secured by changing their relations to the several orders, the construction and controller operation are simplified.2 dwg

Advanced compounding system of variable oil grades // 2616194
FIELD: oil and gas industry.SUBSTANCE: system comprises at least two pipelines intended for transportation of oil flow and one pipeline intended for a mixed flow, a mixed flow quality measurement unit, a sour crude oil flow parameter measurement unit, a sour crude oil flow rate measurer and a mixed flow rate measurer, a calculating unit to record amounts of sour crude oil and the total amount of the mixed flow, a flow regulating device. Outputs of the sour crude oil flow parameter measurement unit, the mixed flow quality measurement unit, the sour crude oil flow rate measurer and the mixed flow rate measurer are interconnected with the corresponding data inputs of the control unit, the control output is interconnected with the flow regulating device. A drainage collector is fit before the controling flow device into the high-sulfur oil (HSO) line, with installed pressure regulator, designed to maintain the pressure on the line of high-sulfur oil of not more than a predetermined value when regulating the flow of sour crude oil swap on mixing and allowing to reset the part of the oil flow into the tank when the pressure regulator is activated. In this case, the control function of maximum pressure value on the high-sulfur oil line is activated in the unit, a control signal is set when reaching the predetermined set point pressure to half-open the pressure regulator valve, wherein a portion of the flow is discharged into the tank, and when the pressure reduces the valve is covered or completely closed. Flow meter is installed on the discharge line of sour crude oil for recording the amount of discharged sour crude oil in the tank when the pressure regulator is activated. The calculating unit of the control unit additionally keeps volume record of oil discharged into the tank when the pressure regulator is activated from the set point pressure at a predetermined maximum value on the line of sour crude oil. Additionally, the operator's room receives sound and light alarm from the control unit when the pressure regulator is activated and the part of the high-sulfur oil flow is reset into the tank.EFFECT: ensuring maintenance of the set quality level of the compounding oil.6 cl, 2 dwg

Automated control system of oil quality // 2613385
FIELD: oil and gas industry.SUBSTANCE: automated control system of oil quality, comprising a feed pipeline designed to transport the incoming flow of oil and pipeline intended for a mixed oil stream, regulators installed in the respective pipelines and designed for adjusting and measuring different indicators of the oil quality in the respective oil flows, including coefficient calculators of oil density and/or oil flow, and/or sulfur content and/or chloride salts content, and/or the water content in each stream ratios to the respective indicators in the mixed stream. The inputs of each of the mentioned calculators are connected to the outputs of the respective measurers, while outputs are connected to the respective inputs of a microprocessor, designed for comparing the measured and calculated parameters with predetermined parameters and forming regulation signals of flap position in respective streams according to the comparison results. The control system of oil quality comprises at least two collectors for separate oil storage with different levels of quality, connected by technological pipelines to the feed pipeline at the input and to the pipeline for the mixed oil stream at the output. According to the invention, collectors for separate oil storage are equipped with ultrasonic acoustic transmitters which are mounted on the inner wall across the collector housing.EFFECT: indicators of the oil quality in every collector are regulated irrespectively of the duration of the oil laying in the collector.2 cl, 1 dwg

Automated control system of oil quality // 2610902
FIELD: oil and gas industry.SUBSTANCE: collectors for the separate storage of oil are equipped with the activators in the form of a set of flat metal gauze parallel to the bottom, assembled to the holder, possessing an independent vibration motor of electromagnetic type, and by the volume occupying all the inner space of the collectors.EFFECT: regulation of the indicators of the oil quality in every collector irrespectively of the duration of the oil laying in the collector.1 dwg

ixing feed reservoir system // 2593996
FIELD: chemistry. SUBSTANCE: invention relates to improved systems and methods for storage of suspensions and handling thereof. Feed reservoir of system for storage of suspension, including hydrocarbons and catalyst, comprises a reservoir for storage, having a first end, inclined towards inlet for recycling, a second end and at least one wall surrounding inner volume between first and second ends; suspension inlet communicated with internal volume, suspension inlet is located between first end and second end of said reservoir; outlet communicated with internal volume, outlet is located between first end and inlet for suspension; said recycling inlet communicated with inner volume of first end of storage reservoir, recycling inlet is located in lower point and/or in lowest point of inclined bottom; pump with a suction line communicated with outlet; a recycling valve communicated with discharge line of pump and inlet for recycling; outlet valve communicated discharge pump line; and a flow deflector inside said reservoir, arranged to redirect flow between inlet for suspension and inlet for recycling. Invention also relates to a cracking system with a fluidised catalyst, comprising a cracking lift-reactor with fluidised catalyst made to ensure reaction of hydrocarbon with catalyst to obtain a product; a cooling tower in fluid communication with cracking lift-reactor with fluidised catalyst and configure to mix product with cooling oil; filtration system in fluid communication with cooling tower and configured to remove suspension of fuel oil from cooling oil; service container system in fluid communication with filtration system, a regenerator, configured to feed catalyst in cracking lift-reactor with fluidised catalyst. EFFECT: in said systems for storage of solid substances remain suspended in oily suspension. 14 cl, 8 dwg

Jet-cavitation fluid flow divider // 2580912
FIELD: engines.SUBSTANCE: invention relates to jet equipment, in particular to jet components of liquid flow, and can be used in hydraulic drives for synchronising movement of actuating hydraulic engines, fluid flow separation into required number of parts in required ratio. Cavitation flow separator comprises housing with cavitation elements composed of jet elements of “nozzle-nozzle” type, arranged regularly around said nozzle and placed in a cover.EFFECT: technical result is possibility of fluid flow separation on a part without using slide or membrane elements with high accuracy of separation.1 cl, 1 dwg

System for compounding sour crude oil in multiple directions of pumping mixed flows // 2580909
FIELD: machine building.SUBSTANCE: invention relates to automation and can be used in pipeline transportation during oil intake from one pipeline or from several branches in several common lines by which mixture of oils is transported to consumer. Distinctive feature of invention is introduction of into the system structure of following units for control over oil compounding: coefficients calculator of oil flow rate ratio in each transported flow and in mixed flow, calculator for oil density ratios in each transported flow and in mixed flow, real time calculator for required compounding efficiency value in direction of transfer, required for plan execution monitoring. Inputs of said calculators are connected to flow and density sensors, and outputs of calculators are connected to inputs of control unit.EFFECT: technical result is provision in automatic mode of different at certain quality indicators oil grades compounding with simultaneous or sequential transfer of mixed flow via several main pipelines.4 cl, 2 dwg

Device for hydraulic liquid conditioning // 2574454
FIELD: chemistry.SUBSTANCE: device contains input opening for non-conditioned liquid, reservoir for concentrate, concentrate pump and mixing chamber with output opening for conditioned liquid. Concentrate pump can be brought into action by hydraulic liquid, supplied from input opening.EFFECT: support of unchanged proportion of mixing hydraulic liquid and concentrate.10 cl, 1 dwg

ethod to account for odorant consumption in odorisers of drop type and device for its realisation (versions) // 2565370
FIELD: measurement equipment.SUBSTANCE: inventions relate to the method and device to measure consumption of liquid media, in particular, odorant, and may be used, for instance, in gas industry, chemical and petrochemical industry. In the proposed method before determination of the odorant consumption value, they measure environmental temperature, at the same time they determine values of odorant density and coefficient of surface tension of odorant depending on the measured value of environmental temperature, then they determine the mass of one drop of odorant depending on the produced value of odorant density and coefficient of surface tension of odorant. Then they determine the number of odorant drops that fell during the specified period of time, and with account of the found value of the mass of one drop and odorant density they determine the volume flow and mass consumption of odorant.EFFECT: technical result is increased accuracy of odorant consumption calculation.4 cl, 6 dwg

ethod for continuous hydroformylation of c3-c21 olefins into aldehydes // 2562971
FIELD: chemistry.SUBSTANCE: invention relates to a method for continuous hydroformylation of C3-C21 olefins into aldehydes in the presence of a catalyst system consisting of separate components - a soluble rhodium compound, a diphosphite ligand and an additional promoting organophosphorus ligand, selected from monophosphine, diphosphine or monophosphite. The method includes, while performing hydroformylation, controlling the value and rate of change of regioselectivity of the process on straight-chain aldehydes, periodically adding to the reaction mixture a disphosphite ligand in amount of 0.1-1 mol per 1 mol of the loaded rhodium and a promoting ligand in amount of 0.1-10 mol per 1 mol of the loaded rhodium, wherein the disphosphite ligand is added when regioselectivity decreases to a value not lower than 80%, and the promoting ligand is added when the rate of decrease of regioselectivity increases by more than 20% relative to the rate of the first decrease of regioselectivity after starting the hydroformylation process.EFFECT: method reduces consumption of the diphosphite ligand with high regioselectivity of the catalyst system on straight-chain aldehydes.1 dwg, 1 tbl, 6 ex

ethod of machining of products out of aluminium grade a85 working under voltage relaxation conditions // 2554251
FIELD: metallurgy.SUBSTANCE: method of machining of products out of aluminium grade A85 working under stress relaxation conditions is performed by electric field action on the product, at that electrical potential is supplied to the products from stabilised power source, and average speed of voltages relaxation is increased by change of the specified potential within range from -1.5 V to 1.5 V.EFFECT: control of voltage relaxation of technically clean Al grade A85.1 tbl, 2 dwg

Automatic gas odorising system // 2524044
FIELD: chemistry.SUBSTANCE: gas odorising system comprises a main 1 and a control 2 container with an odorant, a feeding device 3, a control unit 8 connected to a power supply 10, said control unit being connected to a flow meter 6 of a main gas pipeline 13. According to the solution, the feeding device is a working chamber 14 in which there are at least three high-voltage electrodes 15, 16, 19 with controlled spacing, one of which 19 is earthed and the others are connected to the control unit, an inlet valve 11 connected to the main container, an outlet valve 12 connected to the main gas pipeline. The odorising system also includes, connected to the control unit, a pressure sensor 4 inside the working chamber and a pressure sensor in the main gas pipeline before the flow meter in the gas flow direction.EFFECT: faster dosage adjustment and therefore accuracy of maintaining concentration of odorant in natural gas while reducing odorant consumption and improving safety.5 cl, 3 dwg

Deposit reduction in gasoline fractionation, water cooling system and product recovery section // 2522447
FIELD: chemistry.SUBSTANCE: invention relates to a method of selecting a solvent or mixture of solvents useful for reducing deposit formation, cleaning existing deposits, and/or decreasing the rate of deposit formation. The invention relates to a method of dispersing contaminants in a liquid hydrocarbon stream, wherein the method includes steps of determining the nature of contaminants in the liquid hydrocarbon stream by measuring flow rate of the liquid hydrocarbon and estimating the ratio of hydrogen to carbon in the liquid hydrocarbon stream based on the measured value; selecting a solvent or a mixture of solvents suitable to disperse the contaminants based on the determined nature, wherein the ratio of hydrogen to carbon in the selected solvent or mixture of solvents is less than the estimated ratio of hydrogen to carbon in the liquid hydrocarbon stream; and contacting the contaminants with the selected solvent or mixture of solvents.EFFECT: efficient dispersion and removal of contaminants from equipment.18 cl, 2 dwg

System for control over composite mix batching and mixing system, batching and mixing system and sprayer or extruder with said system // 2522305
FIELD: process engineering.SUBSTANCE: set of inventions relates to control over batching and mixing system. System comprises first pump to feed first component to mixer and second pump to feed second component to mixer. Piston stroke of every pump can be reversed from direction of suction and displacement to component displacement direction and visa versa. Motion detector connected with controller is connected with every pump. Said controller is programmed to initiation of pump stroke direction reversing after determination of that component volume that stays in the pump insufficient for setting of preset metered ratio. Said controller is programmed to continuous feed of first component to the mixer and intermittent feed of second component to the mixer to conduct cycles of batched feed of second component to the mixer.EFFECT: improved batching and mixing performances, higher homogeneity of the mix.9 cl, 4 dwg

ethod and system for controlling commercial gasoline blending // 2498286
FIELD: chemistry.SUBSTANCE: method of controlling commercial gasoline blending involves: measuring permittivity and specific conductivity, as well as temperature and pressure of components of commercial gasoline and finished commercial gasoline at different steps of the process; further reducing the measured electrophysical parameters of the components and commercial gasoline to the same conditions while controlling octane number values and making recommendations for making changes to the process. Also disclosed is a system for controlling commercial gasoline blending, which includes primary detector units, each having a capacitive type primary detector, pressure and temperature primary detectors, secondary detectors connected to the primary detectors, a local automated workstation for collecting, processing and storing information and performing all basic functions of the described method, as well as additional and service functions.EFFECT: high accuracy and enabling prompt decisions for adjusting the process.2 cl, 1 dwg

System and method of processing // 2495473
FIELD: process engineering.SUBSTANCE: method for control over one or more processes that occur during the first part of the recipe of multiple parts to be executed by processing device to obtain the data on at least one part of one or several processes. At least a part of said data is memorised. At least said part of the data is made accessible for one or more processes occurring during the second part of said recipe. Note here that is becomes possible to very one or more processes occurring during second part of the recipe proceeding from at least said part of the data with respect to the part of multicomponent recipe first part.EFFECT: reconfigurable system for production of substances from multiple separate ingredients.47 cl, 11 dwg

ethod of controlling process of removing permanganate reduced compounds using methanol carbonylation technique // 2493143
FIELD: chemistry.SUBSTANCE: invention relates to an improved method of producing acetic acid comprising the following steps: reacting methanol with carbon monoxide in a reaction vessel containing water, methyl iodide and methyl acetate in the presence of a group VIII metal based carbonylation catalyst; separating products of said reaction into a volatile product phase containing acetic acid and a less volatile phase; distilling said volatile phase in a distillation apparatus to obtain a purified product of acetic acid and a first overhead fraction containing methyl iodide and acetaldehyde; condensing at least a portion of said overhead fraction; measuring density of said condensed first overhead fraction; determining relative concentration of methyl iodide, acetaldehyde or both in the first overhead fraction based on the measured density; and adjusting at least one process control parameter associated with distillation of said volatile phase as a response reaction to said relative concentration. The invention relates to a method of producing acetic acid comprising the following steps: reacting methanol with carbon monoxide in a reaction medium containing water and methyl iodide in the presence of a group VIII metal based carbonylation catalyst; performing vapour-liquid separation in said reaction medium to obtain a vapour phase containing acetic acid, methyl iodide, acetaldehyde and water, and a liquid phase; distilling said vapour phase in a distillation apparatus to obtain a purified acetic acid product and at least a first overhead fraction containing acetaldehyde and methyl iodide; condensing said first overhead fraction; extracting said first overhead fraction with water to obtain a raffinate containing methyl iodide and an aqueous extract; measuring density of at least one stream selected from a group consisting of said first overhead fraction, said raffinate and said aqueous extract; determining relative concentration of methyl iodide, acetaldehyde or both in at least said first overhead fraction, said raffinate and said aqueous extract based on the measured density; and adjusting at least one process control parameter associated with either distillation of said vapour phase or extraction of said first overhead fraction as a response reaction to said relative concentration.EFFECT: method of controlling the separation process in order to remove permanganate reduced compounds from a process stream during methanol carbonylation, involving steps of measuring density of a stream containing acetaldehyde and methyl iodide, and calculating relative concentration of acetaldehyde and methyl iodide in the stream enables to adjust parameters of the distillation or extraction process based on measured density or one or more relative concentrations calculated therefrom.12 cl, 5 dwg

Unit and method for continuous drink preparation // 2491603
FIELD: machine building.SUBSTANCE: device comprises two transferred components (k1, k2) with two accumulation vessels (1a, 1b) for every component (k1, k2), two flow control circuits (2a, 2b) for accumulation vessels (1a, 1b); one first pipeline (9a) wherein fed are fluid components (P); second pipeline (9b) for feed of carbon dioxide gas, and mixer (1c) for drinks to be dispensed. Note here that first pipeline (9a) feeds fluid (P) mixed with carbon dioxide into mixer (1c). Note also that accumulation vessels (1a, 1b) and mixer (1c) are composed of pressure vessel and intercommunicated by, at least, one pipeline (1) to equalise pressure between accumulation vessels (1a, 1b) and mixer (1c).EFFECT: stable control of proportioning and dispensing.18 cl, 1 dwg

Nano-modified electrolyte correction method // 2482227
FIELD: electrical engineering.SUBSTANCE: method for correction of carbon nano-tubes (CNTs) concentration in an electrolyte for electrochemical sedimentation of metals involves measurement of the temperature of electrolyte in the plating bath, measurement of CNTs concentration and recovery of CNTs concentration in the electrolyte. Measurement of CNTs concentration in the electrolyte is performed by way of passing the electrolyte through the photometer optical system; relying on the photometer readings, the initial CNTs concentration is recovered by way of dosaged delivery of CNTs into the electrolyte that is subsequently passed through the disperser and returned to the plating bath.EFFECT: measurement of CNTs concentration and recovery of initial CNTs concentration in the electrolyte in the process of plated coating application.2 cl, 5 dwg, 4 tbl, 2 ex

Device for equal flow division between two or more objects // 2478835
FIELD: machine building.SUBSTANCE: device for equal flow division between two or more objects, which is formed at least with two fluid movement elements located on shafts 10, 11. Flow channel is formed with hollow shaft 10, flow passage hole 16 made in its wall, and cavity 14 for fluid direction to fluid movement elements. Fluid movement element located on shaft 10 controls the size of flow passage hole 16 by means of rotation, and thus, quantity of fluid flowing through hole 16.EFFECT: creation of the device, in which equal flows between objects can be formed with maximum possible accuracy.8 cl, 3 dwg

ethod of controlling gas flow between plurality of gas streams // 2475803
FIELD: physics.SUBSTANCE: method uses a biased mass flow imbalance value obtained by comparing the sum of incoming mass flow measurement values with the sum of outgoing mass flow measurement values and adding a bias component to obtain the biased mass flow imbalance value. The flow of at least one of the incoming and outgoing streams (12, 14, 16, 18) is adjusted to move the biased mass flow imbalance value towards zero. In addition, pressure measurement (PC) is carried out in the connection and the obtained data are used to adjust the bias component in response to a change in the pressure measurement (PC) relative to a pressure set point (PSP), to reduce the change in said pressure measurement (PC) relative to the pressure set point (PSP).EFFECT: high accuracy of control.16 cl, 3 dwg

Water treatment acs with continuous water quality control at various process points // 2472717
FIELD: process engineering.SUBSTANCE: invention may be used for development of computer-aided effluents treatment plants as well as in municipal water supply systems. Proposed system comprises water treatment modules, process parameter pickups to register control treatment process, valve gates to switch water flow over to preset directions, and electronic control unit connected to computer to receive pickup signals and to transmit signals to valve gates. Besides, it comprises several changeover modules for water treatment of different purification extents to allow multistage purification with pickups at their outlets to continuously register water quality. Pickup to continuously register quality of fed initial water is arranged at system inlet. Aforesaid valve gates arranged at water lines and controlled by control unit to direct water in water treatment modules subject to initial water contamination level.EFFECT: water quality monitoring, optimised water treatment process.2 cl, 8 dwg, 2 tbl

Adjustable transformer with switched taps // 2465624
FIELD: electricity.SUBSTANCE: adjustable voltage transformer comprises the following: a primary winding connected to a source of power supply, a secondary winding electrically isolated from the primary winding, besides, the secondary winding is designed to reduce the primary voltage down to the secondary voltage and a multistep switch of transformer taps connected with the secondary winding, besides, the transforer tap switch divides the secondary voltage into the specified number of voltage steps.EFFECT: even and less distorted adjustment of current supplied to heaters of electric resistance, supply of power supply to heaters of underground beds and their adjustment.20 cl, 4 dwg

Gas mixing pump with variable cross section of inlet channel // 2464619
FIELD: engines and pumps.SUBSTANCE: mixing pump includes mixing gas chamber, inlet channels protruding into the mixing chamber for supply to mixing chamber of high pressure and low pressure gas; outlet channel for discharge of mixed gases; pneumatic actuating element located in inlet high pressure gas supply channel and containing movable piston rigidly attached to the plug the position of which in inlet channel determines the flow passage of high pressure gas to mixing chamber; control cavity of movable piston, to which the pressure determining the position of movable piston, pneumatic circuit between pressure source and control cavity is supplied. Besides, according to the invention, pneumatic circuit includes at least one bleed valve made so that leakage can be created in pneumatic circuit, which allows changing the pressure supplied to the control cavity.EFFECT: creation of easy-to-operate gas mixing pump capable of changing the outlet gas pressure value with the specified or reference value.17 cl, 5 dwg

ethod for automatic odorisation of natural gas and apparatus for realising said method // 2457445
FIELD: physics.SUBSTANCE: odorant storage container and supply tank are used. The odorant is fed from the storage container and from the supply tank, in which the level of odorant is controlled, into the gas line in proportion to the gas flow rate. The storage container and the supply tank are connected by a pipe, and initially, pressure in the supply tank is levelled with that in the storage container by breaking connection of the supply tank to the gas line. The odorant from the storage container is then used to fill the supply tank to a level set by level sensor and after filling with odorant, the supply tank is disconnected from the storage container and then connected to the gas line while levelling pressure in the supply tank and the gas line, after which odorant is then fed into the gas line. Pressure readings in the storage container and the supply tank and the level of odorant are recorded by a control unit which issues a command for switching and filling the supply tank and feeding.EFFECT: high reliability and stability of operation owing to high accuracy of feeding odorant and determining its amount, simple design and servicing of the apparatus.2 dwg

ethod of control of multiple-effect evaporator with natural circulation head evaporator // 2455673
FIELD: machine building.SUBSTANCE: method of control of multi-effect evaporator with natural evaporation head evaporator includes measurement and regulation of consumption of the initial solution and steam in the heating chamber and in the mortar space of the head evaporator and the boiling temperature of the solution, and the pressure of heating steam and the temperature of the solution at the outlet of the heating chamber of head evaporator are measured, based on the pressure of heating steam the temperature of its saturation and the difference between it and the solution temperature at the outlet of the heating chamber Δt1 is calculated, as well as the difference between the temperatures of the solution at the outlet of the heating chamber and the bioling temperature of the solution Δt2. With that, if Δt1 reduces to the value mentioned, e.g. 5°C, then the steam is supplied to the mortar space with consumption, corresponding to the amount of steam passing through the 0.3 section of the pipe during 1-2 minutes, if Δt2 decreases to the value lower than specified, e.g. to 3°C, the steam is supplied to the mortar space with consumption, corresponding to the total cross section of the pipe, and after reaching the setpoint value, e.g. 5°C the steam supply is stopped.EFFECT: method enables to stabilise the operation of the apparatus, to increase plant efficiency and reduce the steam consumption for evaporation.1 dwg

Continuous monitoring device of distribution of binding agent in structure of wound item // 2449341
FIELD: machine building.SUBSTANCE: device includes the following: continuous monitoring device of percentage of soaked carbon band; limit stops; time sweep unit of item winding; monitoring unit of volumetric distribution of binding agent; monitoring unit of shift parameters of binding agent in structure of wound item; monitoring unit of kinetic properties of binding agent in surface layer; interface unit to information display device; display device of information and communication between them.EFFECT: increasing monitoring efficiency of manufacturing process of items by winding method and improving the quality of the item.6 dwg

Creep control method of a85 grade aluminium // 2433444
FIELD: metallurgy.SUBSTANCE: invention can be used for control of the service life of the items made from A85 grade aluminium and operated under creep conditions. Creep control method of A85 grade aluminium involves attachment to the item from aluminium of one of the metal plates having work function that is different from aluminium. At attachment of the above plates the contact difference of potentials appears. Depending on value of potential contact difference the creep process is either slowed by connection of plate from Pb, Ti, Fe, Cu, or accelerated by connection of plate from Zr, Ni.EFFECT: increasing service life of aluminium items.1 tbl, 2 dwg

ethod of controlling salt solution dissolution // 2427416
FIELD: process engineering.SUBSTANCE: invention relates to production of synthetic carnallite. Proposed method comprises stabilising dissolution temperature, stabilising useful component concentration in varying stock consumption and determining useful component in flows entering the process. In varying said consumption relative to preset magnitude, useful component consumption is adjusted. Useful component comprises, apart from potassium chloride, magnesium chloride. Its concentration on feed stock flow is stabilised by evaporation of magnesium chloride initial solution. Additionally, content of magnesium chloride in evaporated solution is measured to calculate flow rate of evaporated solution by the following expression: where is flow rate of evaporated magnesium chloride solution, t; GKCl is potassium chloride flow rate per 100% of the product, t; is specified content of MgCl2 in evaporated solution, 35±0.5 %. Calculated magnitude is loaded in solution consumption control system as a setting point.EFFECT: higher accuracy of control.2 ex

ethod of producing synthetic gas and apparatus for implementing said method // 2420561
FIELD: chemistry.SUBSTANCE: method comprises the following steps: (a) feeding a stream containing carbon and an oxygen-containing stream into a reactor in given ratio O/C, (b) at least partial oxidation of the stream containing carbon in a gasification reactor to form a gaseous stream of a product containing at least synthetic gas, CO2 and CH4, (c) determining content of CO2 in the stream of product obtained at step (b), (d) comparing content of CO2 determined at step (c) with predetermined content of CO2 as a result of which the value of the difference between content determined at step (c) and the predetermined content can be obtained, (e) controlling the ratio O/C at step (a) based on the difference value obtained at step (d), where 'O' denotes mass flow of molecular oxygen O2, which is present in the oxygen-containing stream, and 'C' denotes mass flow of material containing carbon, except any optional carrier gas or water.EFFECT: high accuracy of controlling quality of the product.9 cl, 1 dwg, 1 tbl

ethod and device for connection of materials // 2399082
FIELD: instrument making.SUBSTANCE: main and auxiliary materials are added at speeds of transition process flows or stabilised condition depending on value of control signal. Actual speeds of flows monitor command speeds of flow. Device provides for dynamic control over instant and integral error for specified range of control.EFFECT: expansion of functional capabilities.16 cl, 10 dwg

ethod of regulating process streams during production of cyclohexane // 2379740
FIELD: physics; control.SUBSTANCE: invention relates to methods and devices for regulating processes and can be used in chemical industry during production of cyclohexane. The method of regulating streams in the production of cyclohexane comprises heat exchangers, condensers, hydrogen and benzene hydrogenation reactors, an end product cooler, a separator with benzene and hydrogen flow valves and sensors, temperature sensors in the hydrogenation reactors, level sensors in the end product cooler, connected to a controller. The method also comprises a benzene circulation loop with a pump, a container and a pressure sensor, collectors for distributing benzene and hydrogen to standby units, apparatus for removing trace impurities from benzene, a liquid cyclohexane pipe, shut-off valves, additional temperatures sensors in hydrogen and benzene hydrogenation reactors, and a pressure and residual gas flow sensor. Benzene and hydrogen are fed from the container with a pump and shut-off valves along the circulation loop to benzene and hydrogen distribution controllers. The initial mixture is heated and directed through heat exchangers and shut-off valves into the apparatus for removing trace impurities from benzene and into hydrogen and benzene hydrogenation reactors. The weighted average temperature of the mixture is determined and is regulated through supply of condensate.EFFECT: wider range of application, increased output and quality of obtained cyclohexane.2 cl, 2 dwg, 1 tbl

On - line regime composition distribution // 2377405
FIELD: oil-and-gas production.SUBSTANCE: invention related to oil-and-gas production and meant multiphase fluid for oil and gas composition analysis. Method executed in on - line regime. From the sources flow transported as a mixed flow via single pipeline. In and after the pipeline execute composition measurements, at least on of the mixed flow phases. It is analysed with device, which uses mixed flow fluid probes, the measurement results sent to computing device, which calculates flow form every source with help of separation algorithm that uses measured mixed flow, analysed composition of at least one phase, associated with every source.EFFECT: distribution of backward flow to well or reservoir reliability increase in oil and/or gas production systems.24 cl, 4 dwg

ethod of controlling process of removing reduced permanganate compounds when using methanol carbonylation technology // 2376276
FIELD: chemistry.SUBSTANCE: first version of the method involves the following steps: distillation of a mixture which contains methyl iodide and acetaldehyde in a distillation apparatus in order to obtain an overhead fraction and a residue, measuring density of the said overhead fraction, determination of relative concentration of methyl iodide, acetaldehyde or both in the overhead fraction based on the measured density and regulation of at least one process variable, associated with the said distillation apparatus. As a response reaction to the said measured density or relative concentration calculated from the measured density, the said process variable is selected from heating intensity, column pressure, the composition fed, condensate composition and coefficient of flow reversal.EFFECT: effective reduction of amount and removal of acetaldehyde and methyl iodide from a carbonylation system.6 cl, 5 dwg

ethod and system for control of product density // 2371750
FIELD: personal demand items.SUBSTANCE: measurement of density of aerated food product during its making is performed on aerated product in area past shear processing node used for formation of aerated material; at that, far enough from the node in order to maintain product in balanced condition. Then rate of aeration gas injection in area before shear processing node may be determined in order to equalise the difference between preset and measured density of product. Besides gas injection with lower solubility may be used in order to reduce time required for product density balance. Disturbances of density of formulation base material earlier in the process also may be monitored and compensated by means of gas flow rate control in order to support maintaining of desired density of product.EFFECT: safe monitoring of product density.20 cl, 12 dwg, 2 tbl, 4 ex

ethod for automatic odorisation of natural gas // 2364840
FIELD: physics, measurements.SUBSTANCE: invention is related to facilities for odorisation of natural gases and may be used in gas, oil and other industries. The result is provided due to the fact that working, consumption tanks are used, as well as reservoir for storage of odorant, which are connected between other by pipelines, odorant is supplied into working reservoir from reservoir for its storage by means of creation of pressure difference between reservoir for its storage and working reservoir, afterwards, odorant is pumped from working reservoir into consumption reservoir, from which odorant is dosed into gas line, proportionally to gas consumption. Besides odorant is pumped from working reservoir into consumption reservoir by excess pressure from high pressure gas line, and in consumption reservoir pressure is created, which is equal to pressure in low pressure gas line, level of odorant in consumption reservoir is maintained as permanent with the help of float valve, and in working reservoir odorant level is controlled by detectors of upper and lower levels, process of working reservoir filling with odorant and its pumping into consumption reservoir is done by signals from level detectors with the help of electric valves, and batching is done from system of commercial accounting of gas consumption.EFFECT: higher accuracy of batching.1 dwg

System for control of loose components blending // 2353964
FIELD: physics.SUBSTANCE: system for control of loose components blending additionally comprises the following components for blending of uncontrolled loose component of mixture: serially connected hopper-accumulator tank and transporter track for component supply into blended stack, serially connected scales installed on transporter track, and unit-accumulator counter for information summation on current weight of component. To blend every of dosed loose components of mixture, there are serially connected hopper-accumulator tanks according to the number of mentioned components, feeders, transporter tracks of components supply into blended stack, scales serially connected in compliance with mentioned components and installed on transporter tracks, and unit-accumulator counters for information summation on current weight of every dosed components, multiplication units that are serially connected in compliance with the number of mentioned components, control inputs of which are connected to output of unit for comparison of ratios of the amounts of current and required uncontrolled and dosed loose components of mixture, units of PID-controllers, other outputs of which are connected to appropriate information outputs of scales of every dosed loose components, and feeders, and also unit-information table, inputs of which are connected to appropriate information outputs of scales of uncontrolled loose component, scales of every dosed loose component of mixture and unit-setter for operator to set required ratio of scales of uncontrolled and dosed loose components of mixture, at that the second input of unit for comparison of ratios of the amounts of current and required uncontrolled and dosed loose components is connected to appropriate information output of unit-accumulator counter for information summation on current weight of uncontrolled loose component of mixture, and the first and second information outputs of unit-accumulator counters of information summation on current weight of every dosed components of mixture are connected accordingly to the third input of unit for comparison of ratios of the amounts of current and required uncontrolled and dosed loose components of mixture and input of unit-setter for operator to set required ratios of mixture components weights, the other information output of which is connected to appropriate inputs of multiplication unit.EFFECT: increased efficiency of control and improved productivity.1 dwg

System for preparing makeup water of heat supply systems // 2327645
FIELD: heat and power engineering.SUBSTANCE: invention can be used in the boiler houses and the thermal electric power stations. The system for preparing the makeup water of the heat supply systems contains the deaerator to which the source and deaerated water pipes, container with alkali, alkali pipeline connected after the dispensing pump and connected with the deaerated water pipeline are installed. The system is supplied with the deaerated water pH controller connected with the processed water pH sensor which is installed at the deaerated water pipeline after the point of the alkali pipeline connection, as well as with the converter of the rotating frequency of the dispensing pump electric drive.EFFECT: improved quality of makeup water preparation.1 dwg

ethod for automated management of technological process of continuous mixing of high-octane gasolines // 2323466
FIELD: automation and management of technological processes.SUBSTANCE: in the process of management of gasoline mixing station, characteristics of quality of mixture components and product at input and output of mixing collector are measured in each regulation cycle, values of time delays of mixture components with mixing collector and duration of mixing of components in mixing collector are determined, and forming of controlling influences is synchronized with moments of querying of product and mixture component quality analyzers at output and input of mixing collector with consideration of technological delays of mixture components in pipelines and in mixing collector. Adjustment of flow of mixture components is performed by realization of iteration procedure, which minimizes the number of measuring operations.EFFECT: increased quality of product, increased productivity of mixing station and improved economical characteristics of the compounding process.7 cl, 2 dwg

Device for imparting odor to gas // 2317580
FIELD: imparting odor to gases.SUBSTANCE: device comprises tank filled with liquid to be batched, batching pump, pressure difference gage provided with the plus and minus chambers, vertical measuring pipe provided with the inlet and outlet branch pipes at the ends, source of excess gas pressure, by-pass valve, and calibrated pipe with open end that is set pressure-tightly in the vertical measuring pipe from above. The open end is positioned near the bottom end of the vertical measuring pipe, and top end is connected with the gas pipeline and by-pass valve. The batching pump is connected with the tank that is connected with the gas pipeline. The outlet of the batching pump is connected with the plus chamber of the pressure difference gage and bottom end of the vertical measuring pipe. The minus chamber of the pressure difference gage cooperates with the by-pass valve, free space of the top section of the vertical measuring pipe, and source of excess pressure .EFFECT: enhanced precision.1 dwg

Device for metering of floatation reagents // 2270980
FIELD: means of automation of production processes, applicable for metering of floatation reagents at concentrating mills at concentration of non-ferrous metal ores.SUBSTANCE: the device has N channels of metering, each provided with an electromagnetic weigher and an amplifier, discrete signal input/output unit connected to a microprocessor device having a program providing formation of control signals shifted in time, connected to the respective inputs of each weigher channel. The device has two series-connected power sources, a current transmitter is connected at the output of one of them, it is connected to each metering channel, and the common potential of the power sources is connected to each metering channel. Each metering channel has a square signal shaper, two keys, maximum signal detector on semiconductor diodes, as well as a forcing signal transmitter and a reagent flow sensor. Since the forcing signal actuates in succession the weighers of the electromagnets in the metering channels, the presence of the forcing current in the current transmitter makes it possible to monitor the serviceability of the line of communication with the weigher by means of the input\output unit, and the forcing voltage transmitter in each channel makes it possible to selectively connect the outputs of the reagent flow sensors to the input\output unit and thus to monitor the weigher serviceability, and the program of the microprocessor device produces a base of data of functional failures of the metering channels, and takes stock of reagents of each channel with the use of the information of the data bases of failures of the metering channels.EFFECT: enhanced accuracy of metering.3 dwg

ethod for controlling oils compounding process with several quality parameters and system for realization of said method // 2270472
FIELD: engineering of means for automation of oil transportation process along different pipelines with different quality of oil and joining oil flows with control over quality parameters of oil mixture.SUBSTANCE: in the method for controlling oil compounding process, flow values for transported oil flows are measured and also flow of mixed oil flow, content in transported flows and in mixed oil flow of sulfur and/or water is determined, relations of aforementioned contents in each of transported flows are determined and in mixed flow and relations of losses of each of transported flows and mixed flow and these relations are compared to given values, if all relations of flows correspond to given values and in case of deviation of relation of aforementioned contents for at least one transported flow oil flow is adjusted for appropriate flow, process for determining sulfur and/or water content in each of transported flows is performed by measuring density of oil in appropriate flow with consideration of correlation dependency between density and content of aperture component. System for controlling oil compounding process having , mounted in each oil pipe for transporting oil, flow meter, oil density meter and means for adjusting oil flow, mounted in oil pipe for mixed flow, oil flow meter, sulfur and/or water content meter, and also calculating device for coefficients of relation of oil flows in each transported flow and in mixed flow and/or device for calculating coefficients of relation of water contents in oil for each transported flow and in mixed flow, inputs of first of aforementioned calculating devices are connected to flow meters, and outputs of each one of aforementioned calculating devices are connected to appropriate inputs of comparison block, outputs of which are connected to means for adjusting oil flow, is provided with device for calculating sulfur content and/or device for calculating water content in oil, made with possible calculating of content of appropriate component with consideration of correlation dependency between oil density and content of aforementioned component, inputs of each of calculating devices are connected to oil density meters of transported flows, and outputs are connected to appropriate inputs of appropriate device for calculating relation coefficients.EFFECT: increased efficiency.2 cl, 1 dwg, 3 tbl

Process and apparatus for purification of heavy petroleum fractions (options) // 2269568
FIELD: petroleum processing.SUBSTANCE: process comprises following stages: solvent extraction to give dewaxed petroleum product and hydrofining wherein dewaxed petroleum product to hydrogenation with hydrogen in presence of catalyst to produce higher-quality petroleum product. Process also includes evaluation of concentration of polyaromatic hydrocarbons in dewaxed petroleum product and control of at least one of the parameters such as extraction temperature, solvent uptake, and supply of starting petroleum product in accordance with specified concentrations of polyaromatic hydrocarbons.EFFECT: simplified process.9 cl, 10 dwg, 2 tbl

ethod for compounding oil // 2269151
FIELD: engineering of automation systems.SUBSTANCE: method for compounding oil includes continuous measurements of sulfur content in mixed oil flow and source flow of sulfurous oil and adjusting feeding thereto of highly sulfurous oil for providing required sulfur content in mixed oil flow. Adjustment is performed by evening out oscillations of sulfur content in mixed flow, for which purpose reservoir or reservoir park is used, connected to flow of highly sulfurous oil, in case when sulfur content in mixed flow drops below acceptable levels, a portion of highly sulfurous oil is fed thereto, enough to provide for required sulfur content in mixed flow, in case when sulfur content in mixed flow exceeds required value, feeding of highly sulfurous oil from reservoir or reservoir park to mixing point is halted, when reservoir or reservoir park is overflowed, flow of highly sulfurous oil is sent to mixing point with flow value equal to flow value of highly sulfurous oil entering aforementioned reservoir or reservoir park.EFFECT: maintained stability and evenness of mixing.2 cl, 3 dwg, 3 tbl

Petroleum oil production process // 2255968
FIELD: petroleum processing and petrochemistry.SUBSTANCE: process comprises heating additives, pumping and mixing them with oil components. Oil components and additives are mixed by synchronously feeding them into collecting channel provided with static mixer. Synchronization is provided by frequency changers, employed in automated control system, to control speed of rotation of pump motors. Oil components are controlled by means of Coriolis-type flowmeters.EFFECT: reduced oil preparation time, reduced power and expensive materials consumption, and increased component dispensing accuracy.3 cl, 1 dwg

System for controlling oil compounding process by several quality parameters // 2248031
FIELD: automation of processes for transporting oil with different quality parameters through different pipelines.SUBSTANCE: systems may include at least two oil pipelines designed for transporting oil flows and oil pipeline designed for mixed oil flow. System includes shutters mounted in oil conduits and designed for controlling respective oil flows, devices for measuring density, flow rate, content of sulfur or chlorides and water content. Said devices are connected with units for calculating parameters and determining relation of said parameters in each flow relative to mixed flow. System also includes microprocessor designed for comparing measured and calculated parameters with preset ones and for generating signals for regulating shutter position in respective flows according to comparison results.EFFECT: possibility for controlling oil compounding process according to several quality parameters.1 dwg
 
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