CN220287151U - Gas-liquid mixing and conveying device with overpressure overflow device - Google Patents

Gas-liquid mixing and conveying device with overpressure overflow device Download PDF

Info

Publication number
CN220287151U
CN220287151U CN202321811238.3U CN202321811238U CN220287151U CN 220287151 U CN220287151 U CN 220287151U CN 202321811238 U CN202321811238 U CN 202321811238U CN 220287151 U CN220287151 U CN 220287151U
Authority
CN
China
Prior art keywords
pressure tank
slide block
overflow
telescopic rod
sealing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202321811238.3U
Other languages
Chinese (zh)
Inventor
朱明祯
李天锋
孙健
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shandong Huitong Petroleum Technology Co ltd
Original Assignee
Shandong Huitong Petroleum Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shandong Huitong Petroleum Technology Co ltd filed Critical Shandong Huitong Petroleum Technology Co ltd
Priority to CN202321811238.3U priority Critical patent/CN220287151U/en
Application granted granted Critical
Publication of CN220287151U publication Critical patent/CN220287151U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model relates to a gas-liquid mixing and conveying device with an overpressure overflow device, which comprises a first pressure tank and a second pressure tank, wherein the first pressure tank and the second pressure tank are respectively provided with the overpressure overflow device: the valve comprises a valve body, wherein the valve body is provided with an overflow groove, an opening at one end of the overflow groove is communicated with a first pressure tank or a second pressure tank, the other end of the overflow groove is provided with a sealing baffle, and a sealing sliding block and a reset structure are arranged in the overflow groove; the side wall of the valve body is connected with a discharge pipe, the sealing slide block is positioned at the lower side of the discharge hole, the discharge hole is arranged on the discharge pipe, and the discharge hole is communicated with the liquid inlet pipe of the gathering pipeline through a return pipeline; the discharging pipe is internally provided with a second sealing slide block, the second sealing slide block is positioned at the inner side of the discharging hole, and the second sealing slide block is connected with a second reset structure. The gas-liquid mixing and conveying device with the overpressure overflow device can reduce the pressure of the first pressure tank and the pressure of the second pressure tank, reduce and avoid the opening of the safety valve, avoid the waste of oil gas, and avoid the pollution to the environment.

Description

Gas-liquid mixing and conveying device with overpressure overflow device
Technical Field
The utility model belongs to the technical field of crude oil recovery and transportation, and particularly relates to a gas-liquid mixing and transportation device with an overpressure overflow device.
Background
The crude oil extracted from the oil well contains oil, gas, water and a small amount of sediment and other substances, and most of the existing oil wells adopt a mode of carrying out oil, gas and water separation at each stage and then carrying out independent conveying or carrying out gas-liquid mixed conveying by utilizing a gas-liquid mixed conveying device.
The existing gas-liquid mixing and conveying device is provided with a safety valve for ensuring safe operation of the pressure tank and the device, when the gas-liquid mixing and conveying device works, if the pressure in the pressure tank is close to the working pressure of the safety valve, the safety valve can reach the check set working pressure and automatically open, under the condition, gas and liquid can be easily discharged into the atmosphere through the safety valve, waste of oil gas is caused, and environmental pollution is caused, and meanwhile, the discharged oil gas is required to be stopped and treated in time.
Disclosure of Invention
The utility model aims to solve the problems and provide a gas-liquid mixing and conveying device with an overpressure overflow device.
In order to achieve the above purpose, the utility model provides a gas-liquid mixing and conveying device with an overpressure overflow device, which comprises a first pressure tank, a second pressure tank, and a collecting and conveying pipeline liquid inlet pipe respectively communicated with the first pressure tank and the second pressure tank, and a collecting and conveying pipeline liquid outlet pipe respectively communicated with the first pressure tank and the second pressure tank, wherein the first pressure tank and the second pressure tank are respectively provided with the overpressure overflow device, the overpressure overflow device comprises a valve body, the valve body is provided with an overflow groove, one end of the overflow groove is opened and communicated with the first pressure tank or the second pressure tank, the other end of the overflow groove is provided with a sealing baffle plate, and the overflow groove is internally provided with a sealing slide block and a reset structure connected with the sealing slide block;
the side wall of the valve body is connected with a discharge pipe, the sealing sliding block is positioned at the lower side of the discharge hole, the discharge hole is arranged on the discharge pipe, and the discharge hole is communicated with the liquid inlet pipe of the gathering pipeline through a return pipeline;
the discharging pipe is internally provided with a second sealing slide block, the second sealing slide block is positioned at the inner side of the discharging hole, and the second sealing slide block is connected with a second reset structure.
According to one aspect of the utility model, the reset structure comprises an adjusting slide plate and a telescopic rod connected with the adjusting slide plate, and the other end of the telescopic rod is fixedly connected with the sealing slide block;
and a spring is sleeved on the periphery of the telescopic rod.
According to one aspect of the utility model, a threaded rod is fixedly connected to the adjusting slide plate, and the threaded rod is positioned on the side opposite to the telescopic rod;
the threaded rod penetrates through the sealing baffle plate to be in threaded fit connection with the sealing baffle plate.
According to one aspect of the utility model, the second reset structure comprises a first telescopic rod and a second telescopic rod, and the first telescopic rod and the second telescopic rod are respectively and fixedly connected with the discharging pipe and the second sealing sliding block;
and a second spring is sleeved outside the first telescopic rod and the second telescopic rod Zhou Jun.
According to one aspect of the utility model, the overflow trough is also communicated with a safety pipeline, and a safety valve is arranged on the safety pipeline;
the communication position of the safety pipeline and the overflow groove is higher than the communication position of the discharging pipe and the overflow groove.
According to the gas-liquid mixing and conveying device with the overpressure overflow device, through the structure, the pushing pressure of the spring and the pushing pressure of the second spring are set to be slightly smaller than the calibrated working pressure of the safety valve, when the pressure in the first pressure tank and the second pressure tank is overlarge, the pressure pushes the sealing sliding block to move upwards, when the sealing sliding block moves to the discharging pipe, the pressure acts on the second sealing sliding block, the second sealing sliding block moves leftwards, so that the first pressure tank or the second pressure tank is communicated with the discharging hole, crude oil in the first pressure tank or the second pressure tank flows back to the liquid inlet pipe of the gathering pipeline through the discharging hole and the return pipeline, and therefore the pressure in the first pressure tank or the second pressure tank is reduced, and after the pressure in the first pressure tank or the second pressure tank is reduced, the second sealing sliding block is reset under the action of the second spring and the sealing sliding block. The gas-liquid mixing and conveying device of the overpressure overflow device can reduce pressure in the first pressure tank and the second pressure tank, reduce the occurrence of the opening condition of the safety valve, avoid waste of oil gas and environmental pollution, and reduce the downtime for treating discharged oil gas.
The overflow trough is also communicated with a safety pipeline, the safety pipeline is provided with a safety valve, and the communication position of the safety pipeline and the overflow trough is higher than the communication position of the discharge pipe and the overflow trough. When the pressure in the first pressure tank or the second pressure tank is overlarge and is higher than the calibrated working pressure of the safety valve, the safety valve is opened, the sealing sliding block moves upwards, crude oil flows back to the liquid inlet pipe of the gathering pipeline from the discharge port and is discharged from the safety pipe respectively, so that the safety is ensured by depressurization. The arrangement of the utility model can reduce the opening time of the safety valve and reduce the waste of oil gas and the cleaning time.
According to the gas-liquid mixing and conveying device of the overpressure overflow device, the adjusting slide plate can move upwards or downwards under the drive of the threaded rod, so that the elastic force of the spring can be adjusted, the driving force of the sealing slide plate can be adjusted, and the first pressure tank and the second pressure tank can be reduced in a better mode.
Drawings
FIG. 1 schematically illustrates a block diagram of a gas-liquid mixing delivery device having an overpressure overflow device, according to one embodiment of the utility model;
fig. 2 schematically shows a block diagram of an overpressure overflow arrangement according to an embodiment of the utility model;
fig. 3 schematically shows an enlarged view of the portion B in fig. 2.
The reference numerals in the drawings represent the following meanings:
1. a first pressure tank; 2. a second pressure tank; 3. a gathering pipeline liquid inlet pipe; 4. a gathering pipeline liquid outlet pipe; A. an overpressure overflow device; 11. a valve body; 12. an overflow trough; 13. a sealing baffle; 14. a sealing slide block; 15. a reset structure; 16. a discharge pipe; 161. a discharge port; 17. a return line; 162. a second sealing slider; 18. a second reset structure; 151. an adjusting slide block; 152. a telescopic rod; 153. a spring; 19. a threaded rod; 181. a first telescopic rod; 182. a second telescopic rod; 183. a second spring; 121. a safety pipeline; 122. a safety valve.
Detailed Description
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required to be used in the embodiments will be briefly described below. It is apparent that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained from these drawings without inventive effort for a person of ordinary skill in the art.
The present utility model will be described in detail below with reference to the drawings and the specific embodiments, which are not described in detail herein, but the embodiments of the present utility model are not limited to the following embodiments.
Referring to fig. 1-3, the utility model provides a gas-liquid mixing and conveying device with an overpressure overflow device, which comprises a first pressure tank 1, a second pressure tank 2, a collecting and conveying pipeline liquid inlet pipe 3 and a collecting and conveying pipeline liquid outlet pipe 4.
The gathering and transporting pipeline liquid inlet pipe 3 is respectively communicated with the first pressure tank 1 and the second pressure tank 2, and a one-way valve is arranged at the communicating part of the gathering and transporting pipeline liquid inlet pipe 3 and the first pressure tank 1 and the second pressure tank 2, so that crude oil is ensured to enter the first pressure tank 1 and the second pressure tank 2 from the gathering and transporting pipeline liquid inlet pipe 3, and crude oil is prevented from flowing backwards from the first pressure tank 1 and the second pressure tank 2 to the gathering and transporting pipeline liquid inlet pipe 3.
The first pressure tank 1 and the second pressure tank 2 are respectively communicated with the liquid outlet pipe 4 of the gathering and delivering pipeline, and the communicating positions are respectively provided with one-way valves, so that crude oil is guaranteed to be sent from the first pressure tank 1 and the second pressure tank 2 to the liquid outlet pipe 4 of the gathering and delivering pipeline, and backflow from the liquid outlet pipe 4 of the gathering and delivering pipeline to the first pressure tank 1 and the second pressure tank 2 is avoided.
As shown in fig. 1-3, the first pressure tank 1 and the second pressure tank 2 of the utility model are provided with an overpressure overflow device a, the overpressure overflow device a comprises a valve body 11, the valve body 11 is provided with an overflow groove 12, one end opening of the overflow groove 12 is communicated with the first pressure tank 1 or the second pressure tank 2, the other end is provided with a sealing baffle 13, and the overflow groove 12 is internally provided with a sealing slide block 14 and a reset structure 15 connected with the sealing slide block 14. According to one embodiment of the present utility model, the reset structure 15 includes an adjusting slide plate 151 and a telescopic rod 152 connected with the adjusting slide plate 151, wherein the other end of the telescopic rod 152 is fixedly connected with the sealing slide block 14, and a spring 153 is sleeved on the periphery of the telescopic rod 152.
As shown in fig. 2 and 3, the side wall of the valve body 11 of the utility model is connected with a discharge pipe 16, a slide block 14 is positioned at the lower side of the discharge port 16, a discharge port 161 is arranged on the discharge pipe 16, and the discharge port 161 is communicated with a liquid inlet pipe 3 of a gathering pipeline through a return pipeline 17. The discharging pipe 16 is internally provided with a second sealing slide block 162, the second sealing slide block 162 is positioned at the inner side of the discharging hole 161, and the second sealing slide block 162 is connected with a second reset structure 18.
According to one embodiment of the utility model, the second restoring structure 18 comprises a first telescopic rod 181 and a second telescopic rod 182, wherein the first telescopic rod 181 and the second telescopic rod 182 are fixedly connected with the tapping pipe 16 and the second sealing slide 162, respectively. The first telescopic rod 181 and the second telescopic rod 182 are sleeved with a second spring 183.
The overflow groove 12 of the utility model is also communicated with a safety pipeline 121, the safety pipeline 121 is provided with a safety valve 122, and the communication position of the safety pipeline 121 and the overflow groove 12 is higher than the communication position of the discharging pipe 16 and the overflow groove 12.
By the above structure, the pushing pressure of the spring 153 and the second spring 183 is set to be slightly smaller than the check-up working pressure of the relief valve 122, for example, the check-up working pressure of the relief valve 122 is 1.6MPa, and the pushing pressure of the spring 153 and the second spring 183 is 1.58MPa. When the pressure in the first pressure tank 1 and the second pressure tank 2 is overlarge, the pressure pushes the sealing slide block 14 to move upwards, when the sealing slide block 14 moves to the discharging pipe 16, the pressure acts on the second sealing slide block 162, the second sealing slide block 162 moves leftwards, so that the first pressure tank 1 or the second pressure tank 2 is communicated with the discharging hole 161, crude oil in the first pressure tank 1 or the second pressure tank 2 flows back to the collecting pipeline liquid inlet pipe 3 through the discharging hole 161 and the return pipeline 17, the pressure in the first pressure tank 1 or the second pressure tank 2 is reduced, and after the pressure in the first pressure tank 1 or the second pressure tank 2 is reduced, the second sealing slide block 162 is reset under the action of the second spring 183 and the sealing slide block 14. The gas-liquid mixing and conveying device of the overpressure overflow device can reduce the pressure in the first pressure tank 1 and the second pressure tank 2, reduce the occurrence of the opening condition of a safety valve, avoid the waste of oil gas and environmental pollution, and reduce the downtime for treating the discharged oil gas.
According to one embodiment of the utility model, the overflow trough 12 is also communicated with a safety pipeline 121, the safety pipeline 121 is provided with a safety valve 122, and the communication position of the safety pipeline 121 and the overflow trough 12 is higher than the communication position of the discharging pipe 16 and the overflow trough 12. When the pressure in the first pressure tank 1 or the second pressure tank 2 is too high and is higher than the check and calibration working pressure of the safety valve 122, the safety valve 122 is opened, the sealing slide block 14 moves upwards, crude oil flows back to the liquid inlet pipe 3 of the collecting and conveying pipeline from the discharge hole 161 and is discharged from the safety pipe 121 to be depressurized, so that safety is ensured. The above arrangement of the present utility model can reduce the time for opening the safety valve 122, and reduce the waste of oil and gas and cleaning time.
As shown in fig. 2, according to an embodiment of the present utility model, a threaded rod 19 is also fixedly connected to the adjustment slide 151, and the threaded rod 19 is located at a side opposite to the telescopic rod 152. A threaded rod 19 is threaded through the sealing flap 3 and is connected to the sealing flap 13 in a threaded manner.
According to the gas-liquid mixing and conveying device of the overpressure overflow device, the adjusting slide plate 151 can move upwards or downwards under the drive of the threaded rod 19, so that the elastic force of the spring 153 can be adjusted, the driving force of the sealing slide plate 14 can be adjusted, and the first pressure tank 1 and the second pressure tank 2 can be reduced in a better mode.
The above description is only one embodiment of the present utility model and is not intended to limit the present utility model, and various modifications and variations of the present utility model will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (5)

1. The gas-liquid mixing and conveying device with the overpressure overflow device comprises a first pressure tank (1), a second pressure tank (2), and a collecting and conveying pipeline liquid inlet pipe (3) communicated with the first pressure tank (1) and the second pressure tank (2) respectively, and a collecting and conveying pipeline liquid outlet pipe (4) communicated with the first pressure tank (1) and the second pressure tank (2) respectively, and is characterized in that the first pressure tank (1) and the second pressure tank (2) are provided with the overpressure overflow device (A), the overpressure overflow device (A) comprises a valve body (11), the valve body (11) is provided with an overflow groove (12), one end of the overflow groove (12) is opened and is communicated with the first pressure tank (1) or the second pressure tank (2), the other end of the overflow groove (12) is provided with a sealing baffle (13), and a sealing slide block (14) and a reset structure (15) connected with the sealing slide block (14) are arranged in the overflow groove (12);
the side wall of the valve body (11) is connected with a discharge pipe (16), the sealing slide block (14) is positioned at the lower side of the discharge pipe (16), a discharge hole (161) is formed in the discharge pipe (16), and the discharge hole (161) is communicated with the liquid inlet pipe (3) of the gathering pipeline through a return pipeline (17);
the discharging pipe (16) is internally provided with a second sealing slide block (162), the second sealing slide block (162) is positioned at the inner side of the discharging hole (161), and the second sealing slide block (162) is connected with a second reset structure (18).
2. The gas-liquid mixing and conveying device with the overpressure overflow device according to claim 1, wherein the reset structure (15) comprises an adjusting slide plate (151) and a telescopic rod (152) connected with the adjusting slide plate (151), and the other end of the telescopic rod (152) is fixedly connected with the sealing slide block (14);
the outer periphery of the telescopic rod (152) is sleeved with a spring (153).
3. The gas-liquid mixing and conveying device with the overpressure overflow device according to claim 2, wherein a threaded rod (19) is fixedly connected to the adjusting slide plate (151), and the threaded rod (19) is positioned on the side opposite to the telescopic rod (152);
the threaded rod (19) penetrates through the sealing baffle plate (13) and is in threaded fit connection with the sealing baffle plate (13).
4. The gas-liquid mixing and conveying device with the overpressure overflow device according to claim 1, characterized in that the second reset structure (18) comprises a first telescopic rod (181) and a second telescopic rod (182), and the first telescopic rod (181) and the second telescopic rod (182) are fixedly connected with the discharging pipe (16) and the second sealing slide block (162) respectively;
and a second spring (183) is sleeved outside the first telescopic rod (181) and the second telescopic rod (182) Zhou Jun.
5. The gas-liquid mixing and conveying device with the overpressure overflow device according to claim 1, wherein the overflow tank (12) is further communicated with a safety pipeline (121), and a safety valve (122) is arranged on the safety pipeline (121);
the communication position of the safety pipeline (121) and the overflow groove (12) is higher than the communication position of the discharging pipe (16) and the overflow groove (12).
CN202321811238.3U 2023-07-11 2023-07-11 Gas-liquid mixing and conveying device with overpressure overflow device Active CN220287151U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202321811238.3U CN220287151U (en) 2023-07-11 2023-07-11 Gas-liquid mixing and conveying device with overpressure overflow device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202321811238.3U CN220287151U (en) 2023-07-11 2023-07-11 Gas-liquid mixing and conveying device with overpressure overflow device

Publications (1)

Publication Number Publication Date
CN220287151U true CN220287151U (en) 2024-01-02

Family

ID=89329238

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202321811238.3U Active CN220287151U (en) 2023-07-11 2023-07-11 Gas-liquid mixing and conveying device with overpressure overflow device

Country Status (1)

Country Link
CN (1) CN220287151U (en)

Similar Documents

Publication Publication Date Title
CN220287151U (en) Gas-liquid mixing and conveying device with overpressure overflow device
CN205896298U (en) Novel sewage lift check valve
EP0968370B1 (en) Dosing pump for dosed liquid conveyance
CN101943918A (en) High-precision automatic control system for constant water level
CN216808219U (en) Closed conveying system for oily sewage
CN214008178U (en) Filtering structure of check valve
CN209353457U (en) A kind of integrated prefabricated pumping plant with backwashing function
CN201133385Y (en) Siphoning type automatic pipetting pump
CN2825125Y (en) Nozzle cleaning device
CN204628663U (en) Gas breaks formula safety check
MY147826A (en) Miniflow valve
CN203770739U (en) Flow-limiting check valve
CN218720669U (en) Liquid supply pipeline with pressure reduction and buffering functions
DE3415407A1 (en) Suction device for pumping tankers and liquid-manure pumps
CN201891880U (en) Coaxial two-stage non-return valve clack lift differencing device
CN210504005U (en) Waste liquid and waste gas floor drain collection device based on buffer tank
CN100422563C (en) Automatic sucker for gas-liquid separation
CN221919719U (en) Automatic water level control intercepting well
CN216616059U (en) Arrangement structure for preventing deterioration of water body in one-way pressure regulating tower
CN201212492Y (en) Automatic liquid level constant siphoning installation mounted at suction terminal of rotary power pump
CN220249028U (en) Pressure relief structure of check valve
CN216344189U (en) Seepage-proofing stop valve
CN219453673U (en) Compressor operation residual medium release transfer equipment
CN211288873U (en) Check valve and double-speed adjustable piston type water pump control valve comprising same
CN217030056U (en) Automatic exhaust linkage device

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant