CN112628110A - Large-tank gas-liquid co-pumping energy-saving environment-friendly device - Google Patents
Large-tank gas-liquid co-pumping energy-saving environment-friendly device Download PDFInfo
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- CN112628110A CN112628110A CN202011507769.4A CN202011507769A CN112628110A CN 112628110 A CN112628110 A CN 112628110A CN 202011507769 A CN202011507769 A CN 202011507769A CN 112628110 A CN112628110 A CN 112628110A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B35/00—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for
- F04B35/04—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for the means being electric
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/06—Cooling; Heating; Prevention of freezing
- F04B39/068—Cooling; Heating; Prevention of freezing prevention of freezing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/16—Filtration; Moisture separation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/06—Control using electricity
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
The invention discloses a large-tank gas-liquid co-pumping energy-saving environment-friendly device which comprises an oil storage tank, a gas-liquid co-pumping mechanism and a separator, wherein the gas-liquid co-pumping mechanism comprises an oil-water co-pumping part and a closed-loop electric control part; the oil-water mixed pumping part comprises a driving motor, a speed reducer, a gear box and a piston gas-liquid pump, the driving motor is connected with the gear box through the speed reducer, the gear box is connected with the piston gas-liquid pump, and the oil storage tank, the piston gas-liquid pump and the separator are communicated in sequence through pipelines; the closed-loop electric control part consists of a programmable controller, a pressure transmitter, a flowmeter, a gas detector, an oxygen detector, a stabilizer, a touch screen and a variable frequency controller; the oxygen detector, the stabilizer and the flowmeter are all installed on a pipeline, the pressure transmitter, the flowmeter, the gas detector, the oxygen detector, the touch screen and the variable frequency controller are all electrically connected with the programmable controller, and the variable frequency controller is electrically connected with the piston gas-liquid pump motor. The invention has the advantages of low cost, large gas production rate, good compatibility and the like.
Description
Technical Field
The invention relates to the technical field of petrochemical industry, in particular to a large-tank gas-liquid simultaneous pumping energy-saving environment-friendly device.
Background
At present, in the process of recovering the flash evaporation natural gas of the medium petroleum and medium petrochemical storage tanks, the large tank gas recovery is generally carried out by using a capsule pressure stabilization method, a screw compressor and a method of controlling the operation mode of the screw compressor by using a travel switch.
However, the traditional recovery process has high cost, complex matching process and insufficient operation stability; the device is limited by the structural characteristics and the mechanical principle of the screw compressor not to enter liquid during operation, and once the liquid enters, the normal operation of the device is influenced, even the air inlet valve, the air outlet valve and the cylinder barrel are damaged, and a larger flash explosion risk exists. Moreover, the service cycle of the capsule equipped in the device is short, generally 2-3 months, the rubber capsule can accelerate aging under the action of liquid hydrocarbon, and the risk of natural gas leakage exists; the control system formed by the lifting of the capsule and the travel switch is greatly influenced by the bad weather such as wind and rain, so that the defects of low stability of the gas collecting device and the like are caused, and the short plate causes that the large tank gas extraction technology cannot meet the field management requirement and cannot be comprehensively applied.
Disclosure of Invention
The invention aims to provide a large-tank gas-liquid simultaneous-pumping energy-saving environment-friendly device to solve the problems in the prior art.
In order to achieve the purpose, the invention provides the following scheme: the invention provides a large-tank gas-liquid co-pumping energy-saving environment-friendly device which comprises an oil storage tank, a gas-liquid co-pumping mechanism and a separator, wherein the gas-liquid co-pumping mechanism comprises an oil-water co-pumping part and a closed-loop electric control part;
the oil-water mixed pumping part comprises a driving motor, a speed reducer, a gear transmission case and a piston gas-liquid pump, the driving motor is in transmission connection with the gear transmission case through the speed reducer, the gear transmission case is in transmission connection with the piston gas-liquid pump, and the oil storage tank, the piston gas-liquid pump and the separator are sequentially communicated through pipelines;
the closed-loop electric control part consists of a programmable controller, a pressure transmitter, a flowmeter, a gas detector, an oxygen detector, a stabilizer, a touch screen and a variable frequency controller; the oxygen detector, the stabilizer and the flowmeter are all installed on the pipeline, the pressure transmitter, the flowmeter, the gas detector, the oxygen detector, the touch screen and the variable frequency controller are all electrically connected with the programmable controller, and the variable frequency controller is electrically connected with a motor of the piston gas-liquid pump.
Preferably, the stabilizer is located the oil storage tank with between the piston gas-liquid pump, the oxygen detector is located the oil storage tank with between the stabilizer, the oil storage tank with all install on the stabilizer pressure transmitter.
Preferably, the flow meter is located between the separator and the piston gas-liquid pump, and the pressure transmitter is installed on the pipeline between the piston gas-liquid pump and the flow meter.
Preferably, pointer type pressure gauges are installed on the oil storage tank and the stabilizer.
Preferably, the gas detector comprises a combustible gas detector and a hydrogen sulfide gas detector which are used for detecting whether the pipeline has gas leakage or not, and the combustible gas detector and the hydrogen sulfide gas detector are both arranged outside the pipeline.
Preferably, a filter is installed on a pipeline between the oxygen detector and the oil storage tank.
Preferably, the gearbox comprises a box body, a pinion disc and a bull gear disc are arranged in the box body, the pinion disc is in transmission connection with an output shaft of the speed reducer, the bull gear disc is meshed with the pinion disc, an eccentric shaft is fixedly connected to the bull gear disc, an output connecting rod is hinged to the eccentric shaft, and two ends of the output connecting rod are respectively connected with the piston gas-liquid pump.
Preferably, two pipeline tee joints are arranged on the pipeline between the flowmeter and the separator, a one-way valve is arranged between the two pipeline tee joints, the pipeline tee joint close to the separator is communicated with an air supplementing pipe, and the tail end of the air supplementing pipe is communicated with the pipeline at the inlet end of the piston gas-liquid pump; and the air supplementing pipe is provided with an air supplementing electromagnetic valve, and the air supplementing electromagnetic valve is electrically connected with the programmable controller.
Preferably, a branch pipe is communicated with the pipeline tee joint far away from the separator, the tail end of the branch pipe is communicated with the gas supplementing pipe, a safety valve is mounted on the branch pipe, and the safety valve is connected with the gas supplementing electromagnetic valve in parallel; and a check valve is arranged on the air supplementing pipe between the safety valve and the piston gas-liquid pump.
The invention discloses the following technical effects: according to the large-tank gas-liquid co-pumping energy-saving environment-friendly device provided by the invention, the piston gas-liquid pump realizes gas-liquid co-pumping under the driving of the driving motor, so that the complicated process that the existing pumping device can pump air only by adopting an advanced gas-liquid separation process is reduced, the equipment cost is reduced, the installation is more flexible, and the efficiency is higher.
When the frequency converter operates at the frequency of 50Hz, the output of the speed reducer is 47r/min, and the volume of the single-piston gas-liquid pump is 0.00764m3The system consists of two cylinders, and two cylinders are discharged in one revolution of the speed reducer, so that the gas production can reach 0.718m3Permin, total daily gas production can reach 1000m3. The total gas production can be controlled at 1000m by changing the running frequency of the frequency converter3The linear change is uniform in the range, the device can be adapted to most of petroleum combined stations, and the device has the advantages of large gas production rate and good compatibility.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.
FIG. 1 is a process flow diagram of the large-tank gas-liquid simultaneous pumping energy-saving environment-friendly device;
FIG. 2 is a schematic illustration of a transmission;
wherein, the pressure transmitter-1; a pointer type pressure gauge-2; a filter-3; an oxygen detector-4; a gearbox-5; 5.1 parts of a box body; pinion disc-5.2; 5.3 of a large gear plate; eccentric shaft-5.4; output connecting rod-5.5; a piston gas-liquid pump-6; a hydrogen sulfide gas detector-7; a combustible gas detector-8; an oil storage tank-9; a flow meter-10; an inlet flange-11; inlet valve-12; an outlet valve-13; -14, a stabilizer; a small valve-15; a one-way valve-16; separator-17; an outlet flange-18; air supplement solenoid valve-19; inlet main valve-20; a main outlet valve-21; a pipeline tee joint-22; a safety valve-23; a drive motor-24; a reducer-25.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
The invention provides a large-tank gas-liquid co-pumping energy-saving environment-friendly device which comprises an oil storage tank 9, a gas-liquid co-pumping mechanism and a separator 17, wherein the gas-liquid co-pumping mechanism comprises an oil-water co-pumping part and a closed-loop electric control part;
the oil-water mixed pumping part comprises a driving motor 24, a speed reducer 25, a gear transmission case 5 and a piston gas-liquid pump 6, wherein the driving motor 24 is in transmission connection with the gear transmission case 5 through the speed reducer 25, the gear transmission case 5 is in transmission connection with the piston gas-liquid pump 6, and the oil storage tank 9, the piston gas-liquid pump 6 and the separator 17 are sequentially communicated through pipelines;
the closed-loop electric control part consists of a programmable controller, a pressure transmitter 1, a flowmeter 10, a gas detector, an oxygen detector 4, a stabilizer 14, a touch screen, a variable frequency controller and a plurality of valves arranged on a pipeline; the oxygen detector 4, the stabilizer 14 and the flowmeter 10 are all installed on the pipeline, the pressure transmitter 1, the flowmeter 10, the gas detector, the oxygen detector 4, the touch screen and the variable frequency controller are all electrically connected with the programmable controller, and the variable frequency controller is electrically connected with a motor of the piston gas-liquid pump 6; the real-time states of the air inlet pipeline and the air outlet pipeline are detected through the pressure transmitter 1, the flowmeter 10, the gas detector and the oxygen detector 4, the real-time states are sent to the programmable controller for data processing, and information such as real-time running state, data monitoring, fault alarm and the like is made through connection with the touch screen. The programmable controller is used for processing each field signal, the variable frequency operation of the piston gas-liquid pump 6 is controlled, the rotating speed of the piston gas-liquid pump 6 linearly changes the discharge capacity, gas and liquid volatilized from the oil storage tank 9 can be timely, stably and effectively pumped out, meanwhile, the closed oil tank is kept at a micro-positive pressure of 50Pa to 600Pa generally, and the pressure is set to be safely operated within a setting pressure range of a large tank breather valve configured in the oil storage tank 9.
Furthermore, in the air extraction process, in order to conveniently detect whether negative pressure exists in the pipeline and judge whether the pipeline is blocked and avoid system alarm caused by severe pressure change in the pipeline caused by air extraction, a stabilizer 14 is arranged between the oil storage tank 9 and the piston gas-liquid pump 6, and the pressure transmitter 1 is arranged on the stabilizer 14; in order to detect whether the oxygen exceeds the standard, an oxygen detector 4 is arranged between the oil storage tank 9 and the stabilizer 14; the pressure transmitter 1 is arranged on the oil storage tank 9, and the pressure transmitter 1 on the oil storage tank 9 is used for collecting pressure signals in the oil tank and feeding back the pressure signals to the programmable controller for processing and controlling the running state of the device.
Further, in order to detect the gas pressure value in the pipeline after the piston gas-liquid pump 6 discharges gas and the instantaneous flow and the accumulated flow of the gas, a flow meter 10 is arranged between the separator 17 and the piston gas-liquid pump 6, a pressure transmitter 1 is arranged on the pipeline between the piston gas-liquid pump 6 and the flow meter 10, and when the pipeline pressure is too high, an alarm signal is sent to a programmable controller for processing.
Further, in order to judge whether the pressure transmitter 1 is damaged, the pointer type pressure gauge 2 is installed on the oil storage tank 9 and the stabilizer 14, so that the pressure transmitter 1 and the pointer type pressure gauge 2 form a redundancy relation to be compared and observed.
Further, the gas detector comprises a combustible gas detector 8 and a hydrogen sulfide gas detector 7 which are used for detecting whether the pipeline has gas leakage, the combustible gas detector 8 and the hydrogen sulfide gas detector 7 are both arranged outside the pipeline, and if the pipeline has gas leakage, a gas standard exceeding signal is sent to the programmable controller for alarm processing.
Further, a filter 3 is installed on a line between the oxygen detector 4 and the oil storage tank 9.
Further, the gear box 5 comprises a box body 5.1, a pinion disc 5.2 and a bull gear disc 5.3 are arranged in the box body 5.1, the pinion disc 5.2 is in transmission connection with an output shaft of the speed reducer 25, the bull gear disc 5.3 is meshed with the pinion disc 5.2, an eccentric shaft 5.4 is fixedly connected to the bull gear disc 5.3, an output connecting rod 5.5 is hinged to the eccentric shaft 5.4, and two ends of the output connecting rod 5.5 are respectively connected with the piston gas-liquid pump 6. The eccentric shaft 5.4 on the big gear is used for pulling the output connecting rod 5.5 to carry out reciprocating motion in the horizontal direction, and the piston gas-liquid pump 6 carries out one air suction and exhaust action every time the speed reducer 25 rotates for a circle.
Further, in order to avoid negative pressure in the liquid storage tank, two pipeline tee joints 22 are installed on a pipeline between the flow meter 10 and the separator 17, a one-way valve 16 is installed between the two pipeline tee joints 22, the pipeline tee joint 22 close to the separator 17 is communicated with an air supplementing pipe, and the tail end of the air supplementing pipe is communicated with a pipeline at the inlet end of the piston gas-liquid pump 6; and an air supply electromagnetic valve 19 is arranged on the air supply pipe, and the air supply electromagnetic valve 19 is electrically connected with the programmable controller. When the pressure of the liquid storage tank is too low and approaches to a critical value, in order to avoid negative pressure in the liquid storage tank, the air supplementing electromagnetic valve 19 is opened, natural gas is introduced to correct the internal pressure of the oil tank, and the electromagnetic valve is automatically closed after the natural gas is stabilized at a reasonable and safe micro-positive pressure; the natural gas for air supplement can be natural gas separated by the separator 17, or natural gas in an independently arranged air supplement tank, and is conveyed into an air inlet pipeline of the piston gas-liquid pump 6 through an air supplement pipe, so that the air supplement of the oil storage tank 9 is realized, and the piston gas-liquid pump 6 stops working in the air supplement process.
Furthermore, a branch pipe is communicated with the pipeline tee 22 far away from the separator 17, the tail end of the branch pipe is communicated with the air supply pipe, a safety valve 23 is installed on the branch pipe, and the safety valve 23 is connected in parallel with the air supply electromagnetic valve 19; and a check valve 16 is arranged on the air supplementing pipe between the safety valve 23 and the piston gas-liquid pump 6.
Furthermore, a water circulation cooling and heating device is arranged outside the gas-liquid co-pumping mechanism, a liquid level meter is arranged in a water tank of the water circulation cooling and heating device and electrically connected with the programmable controller, the liquid level meter is used for detecting the water level in the water tank, when the water level is low, a signal is sent to the programmable controller, and an alarm signal is sent to the touch screen by the programmable controller. And set up temperature transmitter inside the water tank respectively with the outside, temperature transmitter and programmable controller electric connection, the temperature of outside temperature transmitter detectable external environment, when ambient temperature was too high or low excessively, programmable controller selected water circulative cooling and heating device's operational mode according to the height of temperature. When the outside temperature is lower than zero, the water circulation cooling and heating device adopts a heating mode, and water in the water tank is heated by using a heating rod in the water tank, so that the piston gas-liquid pump 6 is heated, and the condition that water in the piston gas-liquid pump 6 is frozen and blocked is avoided.
The large-tank gas-liquid simultaneous pumping energy-saving environment-friendly device provided by the invention controls the operation and stop of the device after the data is calculated by the programmable controller in a full-automatic working mode. According to the inside pressure display of oil storage tank 9, when oil storage tank 9 pressure reached the operating pressure of setting for, the system starts the frequency conversion and bleeds, avoids opening the breather valve because of the too high top of oil storage tank 9 internal pressure, leads to gas leakage to polluting the environment in the air. In the air extraction process, the air extraction speed of the device is controlled by the frequency converter, and three-stage fast attenuation air extraction is carried out within a set pressure range, so that sudden pressure drop in the oil storage tank 9 caused by too fast air extraction is avoided. When the pressure of the oil storage tank 9 reaches the set stop pressure, the system is decelerated and stopped, and enters a to-be-operated mode, so that a reasonable and safe micro-positive pressure state is kept in the oil storage tank 9, and the set value is above the action value of the breather valve, so that the phenomenon that the oxygen content in the oil tank rises due to air sucked by the action of the breather valve is avoided, the natural gas content in the pumped gas is high enough, and the potential safety hazard caused by the rise of the oxygen content is also avoided.
The large-tank gas-liquid co-pumping energy-saving environment-friendly device provided by the invention has the functions of pumping air, pumping liquid and gas-liquid mixing pumping, can be effectively applied to the air pumping process of the oil storage tank 9 in an oil field, thoroughly changes the operating characteristic that the traditional conventional screw compressor only can pump air and cannot pump liquid, and eliminates the risks of screw compression and operation thereof. The closed-loop electrical control is adopted, so that the problems that the traditional system is frequent in starting, large in pressure fluctuation, large in compressor abrasion, short in service life, and the liquid is flash-exploded and the air leakage is easily caused by capsule damage and the like can be thoroughly solved. The safety risk is controlled by the edge computing capability of risk detection and early warning, the operation condition is improved, the production environment is better, and the method has the characteristics of convenience in installation, low cost, high system stability and adaptability to various severe working conditions.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of description of the present invention, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
The above-described embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solutions of the present invention can be made by those skilled in the art without departing from the spirit of the present invention, and the technical solutions of the present invention are within the scope of the present invention defined by the claims.
Claims (9)
1. The large-tank gas-liquid co-pumping energy-saving environment-friendly device is characterized by comprising an oil storage tank (9), a gas-liquid co-pumping mechanism and a separator (17), wherein the gas-liquid co-pumping mechanism comprises an oil-water co-pumping part and a closed-loop electric control part;
the oil-water mixed pumping part comprises a driving motor (24), a speed reducer (25), a gear transmission case (5) and a piston gas-liquid pump (6), the driving motor (24) is in transmission connection with the gear transmission case (5) through the speed reducer (25), the gear transmission case (5) is in transmission connection with the piston gas-liquid pump (6), and the oil storage tank (9), the piston gas-liquid pump (6) and the separator (17) are sequentially communicated through pipelines;
the closed-loop electric control part consists of a programmable controller, a pressure transmitter (1), a flowmeter (10), a gas detector, an oxygen detector (4), a stabilizer (14), a touch screen and a variable frequency controller; the oxygen detector (4), the stabilizer (14) and the flowmeter (10) are all installed on the pipeline, the pressure transmitter (1), the flowmeter (10), the gas detector, the oxygen detector (4), the touch screen and the variable frequency controller are all electrically connected with the programmable controller, and the variable frequency controller is electrically connected with a motor of the piston gas-liquid pump (6).
2. The large-tank gas-liquid co-pumping energy-saving environment-friendly device according to claim 1, characterized in that: stabilizer (14) are located oil storage tank (9) with between piston gas-liquid pump (6), oxygen detector (4) are located oil storage tank (9) with between stabilizer (14), oil storage tank (9) with all install on stabilizer (14) pressure transmitter (1).
3. The large-tank gas-liquid co-pumping energy-saving environment-friendly device according to claim 2, characterized in that: the flowmeter (10) is located between the separator (17) and the piston gas-liquid pump (6), and the pressure transmitter (1) is installed on the pipeline between the piston gas-liquid pump (6) and the flowmeter (10).
4. The large-tank gas-liquid co-pumping energy-saving environment-friendly device according to claim 2, characterized in that: and the oil storage tank (9) and the stabilizer (14) are both provided with pointer type pressure gauges (2).
5. The large-tank gas-liquid co-pumping energy-saving environment-friendly device according to claim 1, characterized in that: the gas detector comprises a combustible gas detector (8) and a hydrogen sulfide gas detector (7) which are used for detecting whether the pipeline has gas leakage or not, and the combustible gas detector (8) and the hydrogen sulfide gas detector (7) are arranged outside the pipeline.
6. The large-tank gas-liquid co-pumping energy-saving environment-friendly device according to claim 1, characterized in that: and a filter (3) is arranged on a pipeline between the oxygen detector (4) and the oil storage tank (9).
7. The large-tank gas-liquid co-pumping energy-saving environment-friendly device according to claim 1, characterized in that: the gear transmission case (5) comprises a case body (5.1), a pinion disc (5.2) and a gearwheel disc (5.3) are arranged in the case body (5.1), the pinion disc (5.2) is in transmission connection with an output shaft of the speed reducer (25), the gearwheel disc (5.3) is meshed with the pinion disc (5.2), an eccentric shaft (5.4) is fixedly connected to the pinion disc (5.3), an output connecting rod (5.5) is hinged to the eccentric shaft (5.4), and two ends of the output connecting rod (5.5) are respectively connected with the piston gas-liquid pump (6).
8. The large-tank gas-liquid co-pumping energy-saving environment-friendly device according to claim 1, characterized in that: two pipeline tee joints (22) are arranged on the pipeline between the flowmeter (10) and the separator (17), a one-way valve (16) is arranged between the two pipeline tee joints (22), the pipeline tee joint (22) close to the separator (17) is communicated with an air supplementing pipe, and the tail end of the air supplementing pipe is communicated with the pipeline at the inlet end of the piston gas-liquid pump (6); and an air supply electromagnetic valve (19) is installed on the air supply pipe, and the air supply electromagnetic valve (19) is electrically connected with the programmable controller.
9. The large-tank gas-liquid co-pumping energy-saving environment-friendly device according to claim 8, characterized in that: a branch pipe is communicated with the pipeline tee joint (22) far away from the separator (17), the tail end of the branch pipe is communicated with the gas supplementing pipe, a safety valve (23) is installed on the branch pipe, and the safety valve (23) is connected with the gas supplementing electromagnetic valve (19) in parallel; and a check valve (16) is arranged on the air supplementing pipe between the safety valve (23) and the piston gas-liquid pump (6).
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| CN210599299U (en) * | 2019-08-07 | 2020-05-22 | 蚌埠市荣强压缩机制造有限公司 | Gas-liquid mixed transportation booster station |
| CN110893955A (en) * | 2019-11-18 | 2020-03-20 | 西安长庆科技工程有限责任公司 | Skid-mounted large tank air extraction device and method |
| CN111122260A (en) * | 2019-12-30 | 2020-05-08 | 北京大凤太好环保工程有限公司 | Automatic integrated gas detection system |
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Application publication date: 20210409 |