Search

CN-224215612-U - Mixed refrigerant compression device outlet separator refrigerant recovery pipeline device

CN224215612UCN 224215612 UCN224215612 UCN 224215612UCN-224215612-U

Abstract

The utility model relates to a refrigerant recovery pipeline device of an outlet separator of a mixed refrigerant compression device, which comprises a main tank body and a main pipeline connected to the outlet separator of the main tank body, wherein the middle part of the main pipeline is connected with a refrigerant recovery part, the refrigerant recovery part comprises a pressure regulating part and a refrigerant recovery tank connected with the pressure regulating part, and the pressure regulating part is used for recovering liquid-phase refrigerant in the outlet separator of the main tank body through the refrigerant recovery tank in cooperation with the pressure difference on the outlet separator of the main tank body. The technical scheme has the beneficial technical effects that the pressure regulating piece is connected to the middle part of the main pipeline, the refrigerant recovery tank is connected with the pressure regulating piece, and the liquid refrigerant is recovered to the refrigerant recovery tank by utilizing the pressure difference between the pressure regulator and the separator at the outlet of the main tank body, so that the liquid refrigerant can be quickly and effectively recovered when the mixed refrigerant device is planned to stop, and the pressure can be regulated by the pressure regulating piece, thereby improving the recovery efficiency.

Inventors

  • WANG BO
  • GAO JIANGTAO
  • ZHANG XUENING
  • Rong Kuangbiao
  • WANG ZHIQIANG
  • TIAN RUIRUI
  • ZHAO ANTANG

Assignees

  • 湖北晋控气体有限公司

Dates

Publication Date
20260508
Application Date
20250613

Claims (10)

  1. 1. The utility model provides a mixed refrigerant compression device export separator refrigerant recovery pipeline device, its characterized in that includes main tank body (1) and connects trunk line (2) on the export separator of main tank body (1), trunk line (2) middle part is connected with refrigerant recovery spare (3), refrigerant recovery spare (3) include pressure regulating part (31) and with refrigerant recovery jar (32) that pressure regulating part (31) are connected, pressure regulating part (31) are used for cooperating pressure differential on the export separator of main tank body (1) will liquid phase refrigerant in the export separator of main tank body (1) passes through refrigerant recovery jar (32) retrieves.
  2. 2. A mixed refrigerant compression device outlet separator refrigerant recovery line device according to claim 1, characterised in that said pressure regulating member (31) comprises a pressure regulating cylinder (311) connected to said main conduit (2), said pressure regulating cylinder (311) being provided with at least one.
  3. 3. The refrigerant recovery line device for the outlet separator of the mixed refrigerant compression device according to claim 2, wherein when the pressure regulating cylinder (311) is provided with one, both sides of the pressure regulating cylinder (311) are connected with cylinder opening and closing valves (312).
  4. 4. The refrigerant recovery line device for the outlet separator of the mixed refrigerant compression device according to claim 2, wherein when two or more pressure regulating cylinders (311) are provided, the outer sides of the two outermost pressure regulating cylinders (311) are connected with a cylinder opening and closing valve (312), and one cylinder opening and closing valve (312) is connected between the two adjacent pressure regulating cylinders (311).
  5. 5. A mixed refrigerant compression device outlet separator refrigerant recovery line device according to claim 2, characterised in that a pressure piston (313) is slidingly connected in each pressure regulating cylinder (311), a main piston rod (314) is connected to the pressure piston (313), and the main piston rod (314) is slidingly connected to the pressure regulating cylinders (311).
  6. 6. A mixed refrigerant compression device outlet separator refrigerant recovery line device according to claim 5, characterised in that said pressure piston (313) is connected with an auxiliary piston rod (315), said auxiliary piston rod (315) being slidingly connected with said pressure regulating cylinder (311), said auxiliary piston rod (315) being provided with at least one, said auxiliary piston rod (315) being adapted for auxiliary support and guiding at said main piston rod (314).
  7. 7. The mixed refrigerant compression device outlet separator refrigerant recovery line device according to claim 6, wherein a cylinder bracket (316) is connected to the pressure regulating cylinder (311), a driver (317) is connected to the cylinder bracket (316), and a telescopic end of the driver (317) is connected to the main piston rod (314).
  8. 8. A mixed refrigerant compression device outlet separator refrigerant recovery line device as claimed in claim 7, characterised in that each pressure regulating cylinder (311) is connected with an auxiliary recovery tank (33), said auxiliary recovery tank (33) being connected with said refrigerant recovery tank (32).
  9. 9. The refrigerant recovery line device for the outlet separator of the mixed refrigerant compression device according to claim 8, wherein a pressure gauge (34) is connected to the auxiliary recovery tank (33), and the pressure gauge (34) is used for displaying the pressure in the auxiliary recovery tank (33) so as to facilitate an operator to convey the liquid-phase refrigerant in the auxiliary recovery tank (33) into the refrigerant recovery tank (32) when the pressure in the auxiliary recovery tank (33) reaches a certain value.
  10. 10. The mixed refrigerant compression device outlet separator refrigerant recovery pipeline device according to claim 9, wherein a first pipeline (35) is connected to one side of the auxiliary recovery tank (33), the first pipeline (35) is connected to the pressure regulating cylinder (311), a one-way valve (36) and a first auxiliary switch valve (37) are connected to the first pipeline (35), the one-way valve (36) is used for preventing liquid-phase refrigerant in the auxiliary recovery tank (33) from returning to the pressure regulating cylinder (311), a second pipeline (38) is connected to the other side of the auxiliary recovery tank (33), the second pipeline (38) is connected to the refrigerant recovery tank (32), and a second auxiliary switch valve (39) is connected to the second pipeline (38).

Description

Mixed refrigerant compression device outlet separator refrigerant recovery pipeline device Technical Field The utility model relates to the field of refrigerant recovery, in particular to a refrigerant recovery pipeline device of an outlet separator of a mixed refrigerant compression device. Background The mixed refrigerant compression device is mainly used for providing cooling capacity for the liquid nitrogen washing device, the mixed refrigerant (9 ℃ and 0.358 MPaA) from the liquid nitrogen washing device is pressurized to 4.0759MPaA and 127.12 ℃, is further cooled to 40 ℃ and then is sent to the liquid nitrogen washing device to exchange heat to 12 ℃ and returns to the mixed refrigerant compression device, and is sent to the liquid nitrogen washing device after being separated by the separator for use by the liquid nitrogen washing device. The design scale of the device is 91940Nm3/h mixed refrigerant, the annual operation time is 8000h, and the operation elasticity is 50% -120%. The liquid level in the outlet separator of the mixed refrigerant compression device in the prior art can not be discharged in time when the mixed refrigerant compression device is planned to stop, and can be gasified along with the emptying and opening of a unit to enter a flare pipe network, so that a large amount of refrigerant is wasted. It would be desirable to provide a mixed refrigerant compression device outlet separator refrigerant recovery line device that addresses the above-described problems. Disclosure of utility model Based on the above description, the utility model provides a refrigerant recovery pipeline device of an outlet separator of a mixed refrigerant compression device, so as to solve the problem that the liquid level in the outlet separator of the mixed refrigerant compression device in the prior art cannot be discharged in time when the mixed refrigerant compression device is planned to stop, and the mixed refrigerant compression device can be gasified along with the unit to enter a flare pipe network along with the unit to be opened when the unit is emptied, so that a large amount of refrigerant is wasted. The technical scheme includes that the refrigerant recovery pipeline device of the outlet separator of the mixed refrigerant compression device comprises a main tank body and a main pipeline connected to the outlet separator of the main tank body, wherein the middle part of the main pipeline is connected with a refrigerant recovery part, the refrigerant recovery part comprises a pressure regulating part and a refrigerant recovery tank connected with the pressure regulating part, and the pressure regulating part is used for recovering liquid-phase refrigerant in the outlet separator of the main tank body through the refrigerant recovery tank in cooperation with pressure difference on the outlet separator of the main tank body. Further, the pressure regulating part comprises a pressure regulating cylinder connected to the main pipeline, and at least one pressure regulating cylinder is arranged. Further, when the pressure regulating cylinder is provided with one valve, both sides of the pressure regulating cylinder are connected with cylinder body switch valves. Further, when the number of the pressure regulating cylinders is greater than or equal to two, the outer sides of the two outermost pressure regulating cylinders are connected with cylinder body switching valves, and one cylinder body switching valve is connected between two adjacent pressure regulating cylinders. Further, each pressure regulating cylinder is internally and slidably connected with a pressure piston, a main piston rod is connected to the pressure piston, and the main piston rod is slidably connected with the pressure regulating cylinder. Further, an auxiliary piston rod is connected to the pressure piston and is in sliding connection with the pressure adjusting cylinder, at least one auxiliary piston rod is arranged on the auxiliary piston rod, and the auxiliary piston rod is used for carrying out auxiliary support and guide on the main piston rod. Further, a cylinder support is connected to the pressure regulating cylinder, a driver is connected to the cylinder support, and the telescopic end of the driver is connected with the main piston rod. Further, each pressure regulating cylinder is connected with an auxiliary recovery tank, and the auxiliary recovery tank is connected with the refrigerant recovery tank. Further, the auxiliary recovery tank is connected with a pressure gauge, the pressure gauge is used for displaying the pressure in the auxiliary recovery tank, so that when the pressure in the auxiliary recovery tank reaches a certain value, an operator can conveniently convey the liquid-phase refrigerant in the auxiliary recovery tank into the refrigerant recovery tank. Further, one side of the auxiliary recovery tank is connected with a first pipeline, the first pipeline is connected with the pressure regulating cylind