Device for liquid level control
FIELD: oil and gas industry.
SUBSTANCE: invention refers to automatic control systems and may be used in oil producing industry, in plants for oil and gas preparation and conversion processes. Device includes separation container 1, collector of gas-liquid mixture inlet 2, gas pipe 3, liquid pipe 4 and outlet collector 5. Connections of liquid pipe, gas pipe and outlet collector form a complex consisting of one direct trap 7 and two opposite traps 8 and 9. Liquid pipe 4 is connected to outlet collector 5 by direct trap 7 and opposite trap 9 with common elbow 10. Gas pipe 3 is connected to outlet collector 5 by the other opposite trap 8, formed by elbow of gas pipeline 12 and by elbow of liquid pipeline 11 connected to outlet collector.
EFFECT: improving operational performance, reliability, tightness of device for liquid level control and simplifying of its design.
The invention relates to automatic control systems and can be used in the oil industry, in installations for the preparation and processing of oil and gas.
A device for regulating the level of liquid containing technological capacity, a manifold for supplying gas-liquid mixture, a pipe for removing gas and liquid displacer level transmitter pneumoperitoneum, pneumatic static regulating device, the output of which is fed to the pneumatic actuator and simultaneously on the secondary measuring device, which is built unit (Isakovich RA, Popadic VE Control and automation of oil and gas. M.: Nedra, 1985, p.100. RES.).
Devices that use pneumatic control system, the requirements are higher and when it is configured to eliminate lag time between changes in the level and Executive management mechanism. To ensure the health of the buoy sensor at low temperatures it is necessary to use the means of its heating, which is associated with increased costs. The use of pneumatic secondary devices requires special training of air compression by the compressor on the water content and oil vapours. Failure to adhere to these requirements which leads to premature wear of the pneumatic system of regulation and reduce the reliability of the device.
A device for regulating the liquid level (RU # 2053537 WITH 21.07.1992, 6 G05D 9/04), including the separation tank with her placed in a float, a manifold for supplying gas-liquid mixture, a pipe for removing gas and liquid and the actuator. The device is equipped with air tanks, separated by a valve, which is connected by a rod with a float at the entrance of one of the air tanks connected via a pulse tubes and throttle with the compressor, and the output from the actuator, and the other tank is connected through an adjustable throttle with the atmosphere. A disadvantage of the known device is the presence of a mechanical system for regulating the liquid level.
The closest analogue of the claimed invention is a technical solution according to the patent US 5254292 A, B01F 3/04, 19.10.1993, from which it is known a device for controlling the level of liquid containing the separation tank, the inlet manifold gas-liquid mixture, a gas pipe, liquid pipe, the output header.
The drawback of the device according to patent US 5254292 And is within the separation tank perforated pipes, partitions, partitions, compartments, which complicates its design.
Object of the invention is improved performance, reliability, integrity and simplification to the reconstruction device for regulating the liquid level.
The task of the device for controlling the level of liquid containing the separation tank, the inlet manifold gas-liquid mixture, a gas pipe, liquid pipe, output collector, is solved according to the invention by the fact that connections liquid pipe gas pipe and outlet manifold form a complex of a direct siphon and two opposed siphons, and a liquid pipe connected to the outlet manifold by means of direct siphon and horizontal siphon having total knee and gas pipe connected with the outlet manifold through the second horizontal siphon formed by the knee of the gas pipeline and the knee fluid line connected to the output collector.
The invention is illustrated in the drawing, which shows a General diagram of the device.
A device for controlling the liquid level contains the separation tank 1, the inlet manifold 2 gas-liquid mixture, a gas pipe 3, a liquid pipe 4 and outlet manifold 5. Connections liquid pipe 4, the gas pipe 3 and outlet manifold 5 form a set of 6 from a direct siphon 7 and two opposed siphons 8 and 9, the liquid pipe 4 is connected with the output manifold 5 by means of direct siphon 7 and the opposed siphon 9, having a total knee 10. Knee 11 belongs liquid pipe 4. Gas connection pipe 3 is replaced with the output manifold 5 by means of the opposed siphon 8, formed by the knee 12 of the gas pipe 3 and the knee 11 liquid pipe 4 connected to the output collector 5.
A device for controlling the liquid level is as follows.
Gas-liquid mixture is fed to the separation tank 1 through the inlet manifold 2, where the separation of liquid and gas. At the time of filling of the separation tank 1, the liquid level rises.
The gas separation tank 1 is supplied to the output manifold 5 through the knee 12 and 11. Knee 12 belongs to the gas pipe 3, and the knee 11 - liquid pipe 4. The gas pipe 3 through the knee 12 is connected to the liquid pipe 4 through the knee 10. Knee 11 and 12 form f-siphon 8. Knee 11 and 12 connect the gas pipe 3 and outlet manifold 5. When the liquid level in the separation tank 1 exceeds the height of the direct siphon 7, the fluid from the separation tank 1 is supplied to the output manifold 5 via a direct siphon 7 and knee 10 and 11. Knee 10 is a knee only liquid pipe 4. Knee 10 and 11 forms a horizontal siphon 9.
Thus, the liquid pipe 4 is connected with the output manifold 5 by means of two siphons: direct 7 and f-9, having a total knee 10. While the knee 12 of the gas pipe 3 is connected with the liquid pipe 4 so that when the flow of fluid into the outlet manifold 5, the fluid flow covers the knee 12 is a gas pipe 3 from the output of the collector 5.
Gas-liquid mixture, continuing to flow into the separation tank 1, it creates excessive pressure at which the liquid level is lowered and the gas passes through the knee 11 and 12 are arranged siphons 8 and 9 to the output collector 5, creating the opportunity to accumulate fluid again in the separation tank 1.
The connection of the separation tank 1 with the output manifold 5 via a set of 6 of one direct and two opposed siphons creates a simple and reliable control system fluid level.
The use of the invention will improve performance, reliability, tightness of the device for controlling the liquid level and to simplify its design.
The simple design of the device, simplicity and reliability without the use of mechanical control systems will provide to the invention is of broad application.
A device for controlling the level of liquid containing the separation tank, the inlet manifold gas-liquid mixture, a gas pipe, liquid pipe, output collector, characterized in that the connection liquid pipe, gas pipe and outlet manifold form a complex of a direct siphon and two opposed siphons, and a liquid pipe connected to the outlet manifold by means of direct siphon and horizontal siphon having about is her knee, a gas pipe connected to the outlet manifold through the second horizontal siphon formed by the knee of the gas pipeline and the knee fluid line connected to the output collector.
SUBSTANCE: invention relates to hydraulic engineering and can be used primarily in automatic rice irrigation systems. The siphon type hydraulic automatic device consists of a mounting attachment 1 made from a base 2 and pipes rigidly and strictly vertically mounted on it. In pipes 3 there is a crest on which a rod 5, fitted with floats 6, is rigidly attached. The rod is made composite so that, when the submersion layer in the level basin rises, the float does not lead to forced launch of the automatic hydraulic device. Its parts are joined by a threaded sleeve which allows for fast change (within necessary limits) of the length of the rod 5. Rigidity of the entire connection is retained and coaxiality of the rod 5 is observed. In the top part of the crest there is an air admission valve 7. The automatic hydraulic device is connected to level basin water outlet through a sleeve 8, and the water level in the level basin is set by a guide plate 9.
EFFECT: use of the automatic hydraulic device increases reliability of operation, rapidness and accuracy of regulation, improves regulation of the submersion layer of the level basin.
FIELD: irrigation systems, particularly ones to be used with opened water streams using energy source, for instance hydraulic level drop at retaining structures.
SUBSTANCE: water lift unit comprises chamber with controllable water inlet, water outlet pipe and water lifting means made as pump. The chamber has orifice receiving water inlet flow regulation valve. The valve has float, rod and guiding means. The chamber is connected with water outlet pipe provided with water turbine having shaft extending into chamber interior and communicated with shaft of water lifting means pump.
EFFECT: possibility to create pressure difference enough for water lifting along with possibility to retain desirable structure throughput.
FIELD: hydraulic engineering, particularly means to close water-discharge weir or dam orifices and to regulate water level in water storage pond.
SUBSTANCE: automatic hydraulic gate comprises counterweight and rotary sheet performing rotation about horizontal axis and having working chamber located over the axis of sheet rotation. The working chamber comprises adjustable water intake means. Drainage orifices are created in working chamber from lower pool side. In closed state the sheet may be supported by weir still and by spillway piers so that the sheet is inclined towards lower pool. In opened state the sheet may be supported by spillway piers. Water intake means may be filled with water from upper pool and has inlet orifice located over axis of sheet rotation. Inlet water intake means orifice may be arranged above overflow ridge of the sheet.
EFFECT: increased operational reliability and prevention of water level elevation in upper pool over predetermined mark.
2 cl, 5 dwg
FIELD: process engineering.
SUBSTANCE: invention relates to system of wastes separation and may be used for removal of solid and liquid wastes form aircraft W.C. along with airflow not containing moisture. Vortex separator has casing, annular channel to form first flow swirling path for separating solid and fluid wastes therefrom, and filtration unit with inverted taper chamber between two cones fitted one into another to form second swirling flow path for separation of additional fluid and solid wastes from airflow before air escapes from separator by suction.
EFFECT: higher efficiency and reliability.
15 cl, 10 dwg
FIELD: process engineering.
SUBSTANCE: invention relates to gas industry, particularly, to gas condensate processing in the fields. Unstable gas condensate (UGC) separated from gas condensate field gas is divided into two flows at 1:3 ratio. First UGC flow is directed into three-phase separator 2. First UGC flow is directed from said separator to de-ethanising column top plate 1 for irrigation. Second flow is, first, fed to heat exchanger 4 to be heated therein and, then, fed into heat exchanger 5 and column 1 for feeding. Said column performs GNC de-ethanising. Columnbottom section is communicated with said first and second heat exchangers 4, 5 to heat GNC by hot de-ethanised gas condensate. Main flow of de-ethanised gas condensate is circulated by pump 6 via fire barrier to provided required temperature conditions.
EFFECT: higher efficiency, longer mean time between repairs.
3 cl, 1 dwg
SUBSTANCE: The invention relates to raw hydrocarbons processing plants and can be used in oil industry when hydrogen sulphide and low-molecular mercaptans are removed from sulphurous oil. The invention relates to purifier which removes hydrogen sulphide and low-molecular mercaptans from oil. The purifier comprises a sulphurous oil feeding pipe, a oil separator connected in series with the gas pipeline by pipes, an oil pump, a mixing unit, an oxidation reactor, a high pressure separator with gas pipe and purified oil storage tanks, a tank for preparation and storage of the catalyst alkaline solution fitted with dosage pumps where their outlet is connected with the inlet of the oil pump, an air compressor with its outlet connected to the inlet of the mixing unit, and a flare line. The device is also fitted with a water pipe feeding fresh washwater. The water pipe is connected to the pipeline between the high-pressure and the low-pressure separators, furthermore, the gas feeding pipes of oil separator and low pressure separator are connected by a drain gas pipe; the gas pipe of the high pressure separator is connected with the flare line. It is also connected with the purified oil storage tanks through the shunt pipe with a pressure regulator.
EFFECT: increase of stock oil quality in order to conform with the GOST R 51858-2002 standard.
FIELD: process engineering.
SUBSTANCE: invention relates to separation of products containing different-density components, particularly, those containing gas phase and two liquid phases with different density. Proposed method comprises continuous feed of product flow via hydrocyclone into separation zone made up of communicating vessels divided by web wherein said products are separated into gas and liquid phases, discharge of gas phase and liquid phase, and measuring the amount of every discharged phase. Liquid phases are fed by gravity into mass flow metres wherein equal-weight portions are measured. Not here that escape of gas not recorded via fluid line is prohibited. Note also that flow rate regulator may be connected in gas record line.
EFFECT: higher efficiency of gas separation and rate measurement.
FIELD: oil and gas industry.
SUBSTANCE: device includes downward and upward sections of pipeline and gas discharge pipeline. Gas expansion tank that is connected through hydraulic lock to downward section of pipeline is connected to downward section of pipeline. Gas expansion tank is equipped with gas collector to gas outlet pipeline which is connected to downward section of pipeline. Hydraulic lock is connected by means of gas equalising line to gas outlet pipeline.
EFFECT: invention allows reducing pulsations at transportation of gas-liquid mixture along raised territory.
FIELD: process engineering.
SUBSTANCE: invention relates to oil industry and may be used for separation of oil well products into gas, oil and water as well as for removal of mechanical impurities. Separator comprises inclined column 5 accommodating overflow web 13, water cleaning filter 14, pipeline 2 to feed gas-fluid mix with pre-separation section, lifting section 3 and pipeline 4 to inject gas-fluid mix into inclined column communicated with gas discharge cap 10 arranged atop the inclined column, and cleaned water pipeline 16 Gas discharge pipeline 12 is connected to cap 10 to communicate with pipeline discharging gas from inclined column top section 11. Inclined tube expander 1 is fitted into pipeline 2 to accommodate gas discharge cap 6 whereto connected is gas discharge pipeline 7 Tube expander 1 and inclined column 5 accommodate webs 8 and 17 to collect mechanical impurities arranged at distance of 2/3 of distance from top, and san traps 9 and 18 Gas discharge pipelines 7 and 12 are interconnected and connected to oil discharge pipeline 15.
EFFECT: higher efficiency of separation, controlled separation.
SUBSTANCE: invention refers to medical equipment, namely to ultrasound therapeutic apparatuses. The apparatus comprises a substrate whereon an assembly of ultrasonic sensors are arranged, each of the ultrasonic sensors in the assembly is independently focused. The substrate is flexible and deformed to provide concentration or dispersion of ultrasonic energy transmitted by ultrasonic sensors in the assembly of ultrasonic sensors.
EFFECT: use of the invention allows reducing therapeutic pain.
9 cl, 6 dwg
FIELD: process engineering.
SUBSTANCE: invention relates to chemical, petroleum and gas industries and may be used in production and processing of oil, gas and gas condensate. Proposed device comprises casing 1 to house assembly for receiving and spraying mix A, unions to discharge gas and fluid phases 4 and 6, respectively. Assembly for receiving and spraying said mix consists of shell ring, mix feed union, heat exchanger and mix flow rate adjuster. Mix feed union represents a tube, partially perforated and arranged in shell ring casing at heat exchanger center. Flow rate adjuster represents tubular assembly with tube drive mounted vertically or horizontally and aligned with mix feed union. Mix is fed into proposed device at preset temperature and pressure exceeding that of saturated vapors, and sprayed for low-boiling and evaporating components to be discharged therefrom. Simultaneously, sprayed flow is directed onto heat exchange surfaces to heat it to obtain preset relation between sprayed flow gas and fluid phases.
EFFECT: higher efficiency of separation at minimum costs, minor effects at environmental conditions.
11 cl, 1 tbl, 8 dwg
FIELD: oil and gas industry.
SUBSTANCE: separator includes housing made in the form of outer cylinder 1, inner cylinder 2 located in it and having gas outlet holes 7 and spiral element 3 with helical surface, which is installed between them and forms a spiral channel. In upper part of outer cylinder 1 there is gas-liquid mixture supply device 4, and in lower part there is liquid discharge device 6. Inner and outer diameters and pitch of helical surface have been chosen from condition which provides gravity flow of gas-liquid mixture, at which hydraulic losses are less than hydrostatic pressure rise.
EFFECT: higher efficiency of extraction of gas inclusions from liquid.
2 cl, 1 dwg, 1 tbl
FIELD: process engineering.
SUBSTANCE: invention relates to oil treatment plants and may be used in oil extracting industry. Proposed plant comprises separation units, preliminary and deep oil dehydration unit, oil desalination unit, unit of chemical neutralisation of carbon sulphide and light mercaptans with pressure pipeline to transfer proportioned reagent from reception and storage unit into oil pipeline, unit for commercial oil collection and storage, edge water collection and storage unit communicated via pipeline with preliminary oil dewatering unit. Unit of chemical neutralisation of carbon sulphide incorporates additionally flow metres and settler with pressure pipeline outlet arranged there between in oil pipeline. Flow metre is functionally connected with unit of chemical neutralisation of carbon sulphide to stabilise flow rates of reagent and oil, while additional settler is communicated via drain pipeline with preliminary oil dehydration unit.
EFFECT: higher efficiency of oil treatment at minimum costs.
3 cl, 3 dwg
FIELD: natural gas industry.
SUBSTANCE: the invention is pertinent to the field of natural gas industry and may be used for the field preparation of products of gas condensate pools. The method provides for separation of a gas with a delivery and a low-temperature stage of separation, a phase separation of a condensate of a delivery and low-temperature stages of separation, degassing of a condensate and de-ethanization of a condensate in an evaporating rectifying column. The whole volume of a delivery stage of separation after a preliminary degassing and heating in a recuperative heat exchanger is fed into the middle part the evaporating rectifying column as a feeding. The condensate of the low-temperature stage of separation is divided into two streams. The first stream is fed into the upper part of the evaporating rectifying column as a sprinkling, the second stream is fed in the degasator. Adjustment of the technological mode and composition of products of de-ethanization depending on output and compositions of the condensate of the delivery and a low-temperature stages of separation is conducted by a change of volumes of the streams. The technical result is - maximum degree of separation of the de-ethanizated condensate at minimum losses with a dried gas.
EFFECT: the invention ensures maximum degree of separation of the de-ethanizated condensate at minimum losses with a dried gas.