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CN-224226958-U - A blowdown divides liquid sled for natural gas

CN224226958UCN 224226958 UCN224226958 UCN 224226958UCN-224226958-U

Abstract

The utility model relates to the field of natural gas emptying, in particular to an emptying liquid separation pry for natural gas, which comprises a pry seat, a liquid level transmitter, a sewage treatment device and an emptying liquid separation device, wherein the sewage treatment device is connected with the pry seat, the emptying liquid separation device is connected with the pry seat and is positioned above the sewage treatment device, the sewage treatment device is connected with the liquid level transmitter, the emptying liquid separation device is provided with an air inlet pipe and a liquid outlet pipe, the sewage treatment device is provided with an exhaust pipe, the exhaust pipe is communicated with the air inlet pipe, the liquid outlet pipe is connected with the sewage treatment device, the manual intervention is reduced, the standardized operation can be realized, the sewage leakage risk in a station is reduced, the daily management difficulty and the operation frequency are reduced, the sewage loading efficiency is improved, the occupied area of equipment is reduced, the construction cost is reduced, the equipment integration is high, the maintenance and the management are convenient, the probability that the condensate is brought to a torch head is reduced, the condensate amount of an emptying pipeline is reduced, and the safety is ensured.

Inventors

  • HUANG YUANHE
  • ZHANG AIHONG
  • CHEN XI
  • QI KAI
  • LUO SHIHONG
  • ZHANG YUANYUAN

Assignees

  • 中国石油化工股份有限公司
  • 中国石油化工股份有限公司西南油气分公司

Dates

Publication Date
20260512
Application Date
20250411

Claims (10)

  1. 1. A blowdown divides liquid sled for natural gas, characterized by includes The sewage treatment device comprises a prying seat (4), a liquid level transmitter (7), a sewage treatment device (2) and an emptying liquid separation device (1), wherein the sewage treatment device (2) is connected with the prying seat (4), the emptying liquid separation device (1) is positioned above the sewage treatment device (2), and the liquid level transmitter (7) is respectively connected with the emptying liquid separation device (1) and the sewage treatment device (2); The sewage treatment device is characterized in that the emptying liquid separation device (1) is provided with a liquid separation cavity, an air inlet (5), an emptying port (8) and a liquid discharge pipe (3), the air inlet (5), the emptying port (8) and the liquid discharge pipe (3) are respectively communicated with the liquid separation cavity, the sewage treatment device (2) is provided with a treatment cavity, an exhaust pipe (6) and a sewage discharge pipeline (9), the exhaust pipe (6) and the sewage discharge pipeline (9) are respectively communicated with the treatment cavity, the exhaust pipe (6) is communicated with the air inlet (5), the liquid discharge pipe (3) is communicated with the treatment cavity, the air inlet (5) is connected with an air inlet pipeline (100), the emptying port (8) is connected with an emptying pipeline (101), and the sewage discharge pipeline (9) can discharge sewage to a sewage vehicle.
  2. 2. A blow-down liquid separation skid for natural gas according to claim 1, characterized in that the drain pipe (3) is provided with a one-way valve (12).
  3. 3. The blowdown liquid separation skid for natural gas according to claim 1, characterized in that the sewage treatment device (2) is provided with a liquid inlet (10), the liquid inlet (10) is communicated with the treatment cavity, and the liquid inlet (10) is used for being connected with a liquid inlet pipeline (102).
  4. 4. A blow-down liquid separation skid for natural gas according to claim 3, characterized in that the air inlet (5), the air outlet (8) and the liquid inlet (10) are provided with a first splayed blind plate (151), a second splayed blind plate (152) and a third splayed blind plate (153) respectively, the first splayed blind plate (151) is connected with the air inlet pipe, the second splayed blind plate (152) is connected with the blow-down pipeline (101), and the third splayed blind plate (153) is connected with the liquid inlet pipeline (102).
  5. 5. The blow-down liquid separation skid for natural gas according to claim 1, wherein the blow-down liquid separation device (1) is provided with a first thermometer (161), a first temperature controller (162), a first pressure gauge (163) and a first pressure controller (164), and the sewage treatment device (2) is provided with a second thermometer (171), a second temperature controller (172), a second pressure gauge (173) and a second pressure controller (174).
  6. 6. The blowdown liquid separation sled for natural gas according to claim 1, wherein a drain outlet (14) is arranged at the bottom of the sewage treatment device (2), the drain outlet (14) is communicated with the treatment cavity, the drain pipeline (9) comprises a sewage storage pipeline (92) and a loading pipeline (91), the sewage storage pipeline (92) and the loading pipeline (91) are respectively connected with the drain outlet (14), the loading pipeline (91) is provided with a loading joint, and the sewage storage pipeline (92) is connected with a sewage storage tank (103).
  7. 7. The blowdown liquid separation skid for natural gas according to claim 6, characterized in that the sewage treatment device (2) is provided with a blowdown reservation interface (13), the blowdown reservation interface (13) is communicated with the treatment cavity, and the blowdown reservation interface (13) is provided with a valve.
  8. 8. The blow-down liquid separation sled for natural gas according to claim 1 wherein the sled base (4) comprises an upper layer supporting base (41) and a lower layer supporting base (42), the upper layer supporting base (41) is connected with the lower layer supporting base (42), the upper layer supporting base (41) is arranged at intervals with the lower layer supporting base (42), the upper layer supporting base (41) is located above the lower layer supporting base (42), the upper layer supporting base (41) is connected with the blow-down liquid separation device (1), and the lower layer supporting base (42) is connected with the sewage treatment device (2).
  9. 9. The air release and separation skid for natural gas according to claim 8, wherein the lower support (42) is provided with a ladder (11), and the ladder (11) is connected with the upper support (41).
  10. 10. The blow-down liquid separation skid for natural gas according to any one of claims 1 to 9, wherein the sewage treatment device (2) and the blow-down liquid separation device (1) are both tank-shaped structural members.

Description

A blowdown divides liquid sled for natural gas Technical Field The utility model relates to the field of natural gas emptying, in particular to an emptying and liquid separating pry for natural gas. Background In the field of petroleum and natural gas, because the flare blow-down pipeline has effusion, the problem of effusion of the flare blow-down pipeline is solved by arranging a blow-down liquid separating tank at the collecting position of the blow-down pipeline at present, so that gas flow in the blow-down pipeline can be subjected to gas-liquid separation, and the gas is blown down in situ through a site blow-down vertical pipe, and the liquid usually contains various harmful substances and pollutants, so that the liquid is required to be transported to a special sewage treatment station for treatment through a sewage vehicle at regular intervals. But the separated liquid separated by the emptying liquid separating tank can not be transferred in time, the gas-liquid separation efficiency of the emptying liquid separating tank can be influenced when excessive liquid is reserved in the tank body, a sewage truck needs to move between the emptying liquid separating tank and the sewage treatment tank of a natural gas station when being loaded in the station, the loading position is dispersed, the sewage loading efficiency is poor, the sewage loading is needed to be carried out manually, the time and effort of high-repeatability work are wasted, and a large amount of sewage is easy to cause sewage leakage when being loaded and transported. Disclosure of utility model The utility model aims to overcome the defects that liquid separated by a vent liquid separating tank arranged at a converging position of a vent pipeline in the prior art cannot be transferred in time and sewage loading positions in a natural gas station are dispersed, and provides a vent liquid separating pry for natural gas. The utility model provides a venting and separating liquid pry for natural gas, which comprises The sewage treatment device is connected with the prying seat, the emptying liquid separation device is connected with the prying seat, and the emptying liquid separation device is positioned above the sewage treatment device; the liquid level transmitter is respectively connected with the emptying liquid separation device and the sewage treatment device; the emptying liquid separation device is provided with a liquid separation cavity, an air inlet, an emptying port and a liquid discharge pipe, the air inlet, the emptying port and the liquid discharge pipe are respectively communicated with the liquid separation cavity, the sewage treatment device is provided with a treatment cavity, an exhaust pipe and a sewage discharge pipeline, the exhaust pipe and the sewage discharge pipeline are respectively communicated with the treatment cavity, the exhaust pipe is communicated with the air inlet, the liquid discharge pipe is communicated with the treatment cavity, the air inlet is connected with an air inlet pipeline, the emptying port is connected with the emptying pipeline, and the sewage discharge pipeline can discharge sewage to a sewage vehicle. The utility model discloses an emptying liquid separation sled for natural gas, wherein one side of a liquid level transmitter is connected with a sewage treatment device, the other side of the liquid level transmitter is connected with the emptying liquid separation device, the pressure difference condition of the sewage treatment device and the emptying liquid separation device is monitored, leakage monitoring is enhanced, the emptying liquid separation device is positioned above the sewage treatment device, liquid deposited in the emptying liquid separation device enters the sewage treatment device through a liquid discharge pipe under the action of gravity, gas separated out of the sewage treatment device enters the emptying liquid separation device through an exhaust pipe, the sewage treatment device and the emptying liquid separation device are connected to form circulation, sewage and the emptying gas are treated at the same time, the treatment quality of the sewage and the emptying gas is improved, the environmental pollution risk is reduced, the emptying liquid separation device is connected with an air inlet pipe to introduce the emptying gas, the gas treated by the emptying liquid separation device is discharged into an emptying pipeline from an emptying port, the sewage treatment device and the emptying liquid separation device are arranged on a sled seat through a sewage drainage pipeline, the links of manual intervention are reduced, the occupied area of equipment is saved, the sewage station is lowered, and the operation quantity of workers in the sewage station is reduced when the sewage is placed in a sewage station is concentrated. Preferably, the liquid discharge pipe is provided with a one-way valve. The one-way valve can prevent gas or liquid in the sewage treatment