CN210241169U - Compressor and hydrocarbon pump combined filling system of buried LPG storage and distribution station - Google Patents
Compressor and hydrocarbon pump combined filling system of buried LPG storage and distribution station Download PDFInfo
- Publication number
- CN210241169U CN210241169U CN201920833168.9U CN201920833168U CN210241169U CN 210241169 U CN210241169 U CN 210241169U CN 201920833168 U CN201920833168 U CN 201920833168U CN 210241169 U CN210241169 U CN 210241169U
- Authority
- CN
- China
- Prior art keywords
- valve
- lpg
- pipe
- storage tank
- liquid
- 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
Links
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 title claims abstract description 66
- 239000004215 Carbon black (E152) Substances 0.000 title claims abstract description 43
- 150000002430 hydrocarbons Chemical class 0.000 title claims abstract description 42
- 239000007788 liquid Substances 0.000 claims abstract description 48
- 239000012071 phase Substances 0.000 claims abstract description 46
- 239000007791 liquid phase Substances 0.000 claims abstract description 37
- 238000005516 engineering process Methods 0.000 abstract description 5
- 241000893018 Armeria Species 0.000 abstract description 2
- 238000009434 installation Methods 0.000 abstract description 2
- 239000002689 soil Substances 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 44
- 239000003915 liquefied petroleum gas Substances 0.000 description 44
- 238000010992 reflux Methods 0.000 description 5
- 101710005651 LRRFIP1 Proteins 0.000 description 3
- 239000007792 gaseous phase Substances 0.000 description 2
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Images
Abstract
The utility model relates to a buried LPG storage station compressor and hydrocarbon pump combined filling system, which comprises an LPG storage tank, a compressor, a hydrocarbon pump, an LPG filling platform, a connecting valve and a pipeline, wherein the liquid phase of the LPG buried storage tank is connected with the hydrocarbon pump and the LPG filling platform through a liquid outlet pipeline and the valve, and the tail end of the LPG buried storage tank is connected to the buried LPG storage tank through an automatic backflow valve and a backflow pipeline; the gas phase of the buried LPG storage tank is connected with a compressor through a gas phase pipeline and a valve. The utility model discloses the installation is arranged in burying ground LPG storage and distribution station, in LPG bottling technology, is the storage tank pressure boost through the compressor, carries the liquid phase LPG of below ground to ground hydrocarbon pump entry, carries to the filling platform after the hydrocarbon pump pressurization, realizes LPG bottling. The utility model discloses utilize to store up and join in marriage station existing equipment, realize storing up and joining in marriage the station because of LPG and joining in marriage hydrocarbon pump feed liquor difficulty and hydrocarbon pump cavitation problem that the difference in height, the difference in temperature lead to, simultaneously because of burying ground storage tank safe interval less than the ground storage tank, can practice thrift the soil.
Description
Technical Field
The utility model relates to a bury ground LPG and store up and join in marriage station compressor and hydrocarbon pump and unite filling system.
Background
The LPG (liquefied petroleum gas) storage and distribution station is a general name of LPG storage stations and filling stations and has the functions of storage, bottle filling, tank car loading and unloading and the like. Along with the rapid development of cities, the urban land resources are less and less, and the safe distance between the buried storage tanks of the buried LPG storage and distribution station is smaller than that between the ground storage tanks according to the standard requirements, so that the land can be saved. At present, most LPG storage and distribution stations are filled by an LPG storage tank arranged at a high position, liquid-phase LPG is conveyed to an inlet of a hydrocarbon pump by utilizing a height difference, and the LPG is pressurized by the pump and then conveyed to a filling platform to realize filling. The utility model discloses in the LPG bottling technology, for the storage tank pressure boost through the compressor, carry the liquid phase LPG of below ground to ground hydrocarbon pump entry, carry to the filling platform after the hydrocarbon pump pressurization, realize the LPG bottling. Particularly, when the ground temperature is higher than the underground temperature, the temperature in the ground pipeline is higher, the pressure of gas-phase LPG is higher than the pressure of gas-phase in the storage tank, and meanwhile, the liquid inlet pipeline of the hydrocarbon pump needs to overcome the height difference of the pipeline, so that the liquid inlet of the hydrocarbon pump is more disadvantageous.
Disclosure of Invention
The utility model aims to solve the problem that a bury ground LPG and store up station compressor and hydrocarbon pump and unite filling system is provided, this system is used for the storage tank mounting height to be less than hydrocarbon pump inlet pipeline time, is the storage tank pressure boost through the compressor, realizes the normal filling of hydrocarbon pump.
The utility model provides a technical scheme is: a buried LPG storage and distribution station compressor and hydrocarbon pump combined filling system comprises a buried LPG storage tank, a compressor, a hydrocarbon pump, an LPG filling platform, a connecting valve and a pipeline, wherein a filling port of the LPG filling platform is provided with a filling control valve; the gas phase port of the buried LPG storage tank is connected with the compressor through a gas phase pipeline and a gas phase valve.
The liquid outlet pipeline comprises a first liquid pipe, a second liquid pipe, a third liquid pipe and a fourth liquid pipe, the liquid outlet valve comprises a first liquid phase valve, a second liquid phase valve, a third liquid phase valve and a fourth liquid phase valve, the buried LPG storage tank comprises a first storage tank and a second storage tank, the first liquid pipe communicated with the first storage tank and the second liquid pipe communicated with the second storage tank are respectively connected with the third liquid pipe through the first liquid phase valve and the second liquid phase valve, the third liquid phase pipe is connected with the inlet of the hydrocarbon pump through the third liquid phase valve, and the outlet of the hydrocarbon pump is connected with the filling port of the filling platform through the fourth liquid phase pipe provided with the fourth liquid phase valve; the backflow pipeline comprises a first backflow pipe, a second backflow pipe and a third backflow pipe, the backflow valve comprises a first backflow valve, a second backflow valve and an automatic backflow valve, the first backflow pipe communicated with the first storage tank and the second backflow pipe communicated with the second storage tank are respectively connected with the third backflow pipe through the first backflow valve and the second backflow valve, and the third backflow pipe is connected with a fourth liquid phase pipe between the filling control valve and the fourth liquid phase valve through the automatic backflow valve; the gas phase pipeline comprises a first gas pipe communicated with a gas phase port of the first storage tank, a second gas pipe communicated with a gas phase port of the second storage tank, a third gas pipe connected with an inlet of the compressor and a fourth gas pipe connected with an outlet of the compressor, and the gas phase valve comprises a first gas phase valve, a second gas phase valve, a third gas phase valve and a fourth gas phase valve; the first gas pipe is connected with the third gas pipe through a first gas phase valve and is connected with the fourth gas pipe through a third gas phase valve; the second air pipe is connected with the third air pipe through a second air valve and is simultaneously connected with the fourth air pipe through a fourth air valve.
And the fourth liquid phase pipe is connected with an exhaust pipe, and the exhaust pipe is provided with an exhaust valve.
The utility model discloses the installation is arranged in burying ground LPG storage and distribution station, in LPG bottling technology, is the storage tank pressure boost through the compressor, carries the liquid phase LPG of below ground to ground hydrocarbon pump entry, carries to the filling platform after the hydrocarbon pump pressurization, realizes LPG bottling.
The utility model discloses utilize to store up and join in marriage station existing equipment, realize storing up and joining in marriage the station because of LPG and joining in marriage hydrocarbon pump feed liquor difficulty and hydrocarbon pump cavitation problem that the difference in height, the difference in temperature lead to, simultaneously because of burying ground storage tank safe interval less than the ground storage tank, can practice thrift the soil.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
Referring to fig. 1, the utility model discloses a liquid outlet pipe way 28, return line 29, filling pipeline 30, first storage tank (1 # buries the ground storage tank) 26, second storage tank (2 # buries the ground storage tank) 27, first storage tank gas phase pipeline 31, second storage tank gas phase pipeline 32, the automatic filling balance of LPG 35, hydrocarbon pump 24, LPG compressor 25, control flap 1~22, control flap 33~ 34.
The liquid outlet pipe 28 includes a first liquid pipe YG1, a second liquid pipe YG2, a third liquid pipe YG3 and a fourth liquid pipe YG4, the liquid outlet valve includes a first liquid valve 2, a second liquid valve 8, a third liquid valve 13 and a fourth liquid valve 15, the buried LPG tank includes a first storage tank 26 and a second storage tank 27, the first liquid pipe YG1 communicated with the first storage tank 26 and the second liquid pipe YG2 communicated with the second storage tank 27 are respectively connected with the third liquid pipe YG3 through the first liquid valve 2 and the second liquid valve 8, the third liquid pipe YG3 is connected with an inlet of the hydrocarbon pump 24 through the third liquid valve 13, and an outlet of the hydrocarbon pump and a filling port of the filling table 23 are connected through the fourth liquid pipe YG4 provided with the fourth liquid valve 15. The return pipeline 29 comprises a first return pipe HG1, a second return pipe HG2 and a third return pipe HG3, the return valves comprise a first return valve 4, a second return valve 10 and an automatic return valve 36, the first return pipe communicated with the first storage tank and the second return pipe communicated with the second storage tank are respectively connected with the third return pipe through the first return valve and the second return valve, and the third return pipe is connected with a fourth liquid phase pipe YG4 between the filling control valve 35 and the fourth liquid phase valve 15 through the automatic return valve 36; the gas phase pipeline comprises a first gas pipe 31 communicated with a gas phase port of the first storage tank, a second gas pipe 32 communicated with a gas phase port of the second storage tank, a third gas pipe 39 connected with an inlet of the compressor and a fourth gas pipe 37 connected with an outlet of the compressor, and the gas phase valve comprises a first gas phase valve 21, a second gas phase valve 22, a third gas phase valve 19 and a fourth gas phase valve 20; the first gas pipe 31 is connected with the third gas pipe 39 through the first gas valve 21, and is connected with the fourth gas pipe 37 through the third gas valve 19; the second gas pipe 32 is connected to the third gas pipe 39 through the second gas valve 22, and is connected to the fourth gas pipe 37 through the fourth gas valve 20.
The exhaust pipe 38 is connected to the fourth liquid pipe YG4, and the exhaust valve 16 is disposed on the exhaust pipe 38.
In the compressor-hydrocarbon pump combined filling system of the buried LPG storage and distribution station, valves 1, 3, 5, 7, 9 and 11 are storage tank root valves, are closed when a storage tank needs to be overhauled or maintained, and are normally open in daily conditions; the valves 33 and 34 are maintenance control valves of the pump outlet safety reflux valve 40, when the safety reflux valve 40 needs to calibrate pressure again and carry out annual inspection, the valves 33 and 34 are closed, the safety reflux valve 40 is disassembled and then sent to relevant departments for detection, under the normal working condition, the valves 33 and 34 are in a normally open state, and when the pipeline pressure exceeds the set pressure value of the safety reflux valve 40, the safety reflux valve 40 is automatically opened to release pressure. Before filling, the valves 2, 4, 6, 12, 13, 17, 18 and 21 are opened (the valves are opened in no sequence). After the operation is finished, the compressor 25 is started, the gas-phase LPG in the second storage tank 27 is pumped and pressurized from the gas-phase pipeline 32 to the compressor 25, then the gas-phase LPG is conveyed to the first storage tank 26 through the gas-phase pipeline 31, the exhaust valve 16 is opened when the gas-phase pressure in the first storage tank 26 is increased by about 0.05MPa, the gas-phase LPG in the pump body and in the liquid inlet pipeline 28 is discharged, the exhaust valve 16 is closed after the exhaust valve 16 is not discharged, the valve 14 is opened, then the hydrocarbon pump 24 is started, the liquid-phase LPG in the first storage tank 26 enters the hydrocarbon pump 24 through the liquid outlet pipeline 28 under the action of the internal pressure of the storage tank, at the moment, the liquid-phase LPG enters the pump inlet pipeline through the valve 14, the valve 15 is opened after the pump normally operates, the valve 14 is closed, the liquid-phase LPG is pumped and then flows through; when the pressure in the pipeline at the filling position exceeds the set filling pressure, the automatic return valve 36 is opened, the pipeline pressure is reduced, and the returned liquid phase LPG is conveyed to the first storage tank 26 through the return pipeline 29. While compressor 25 is turned off after hydrocarbon pump 24 is operating normally.
The above process can realize the bottle filling operation of the liquid-phase LPG in the first storage tank 26. The bottle filling operation of the liquid phase LPG in the second storage tank 27 can also be realized by controlling the opening and closing of the valve: the four valves 2, 4, 18 and 21 in the operation flow are replaced by the valves 8, 10, 19 and 22, and the liquid-phase LPG bottle filling of the storage tank 27 can be realized according to the operation.
The utility model discloses in the LPG bottling technology, for the storage tank pressure boost through the compressor, carry the liquid phase LPG of below ground to ground hydrocarbon pump entry, carry to the filling platform after the hydrocarbon pump pressurization, realize the LPG bottling. Especially when ground temperature exceeds the underground temperature, temperature in the ground pipeline is higher, and gaseous phase LPG pressure is greater than the interior gaseous phase pressure of storage tank, and the pipeline discrepancy in height still needs to be overcome to hydrocarbon pump inlet conduit simultaneously, brings bigger unfavorable for the feed liquor of hydrocarbon pump, the utility model discloses this problem of solution that can be fine. The utility model discloses need not newly to increase other equipment, play through operation control flap and equipment and close realization filling technology, safe and reliable.
Claims (3)
1. A buried LPG storage and distribution station compressor and hydrocarbon pump combined filling system is characterized in that: the LPG underground storage tank comprises an underground LPG storage tank, a compressor, a hydrocarbon pump, an LPG filling platform, a connecting valve and a pipeline, wherein a filling port of the filling platform is provided with a filling control valve; the gas phase port of the buried LPG storage tank is connected with the compressor through a gas phase pipeline and a gas phase valve.
2. A buried LPG distribution station compressor and hydrocarbon pump combined filling system according to claim 1, characterised in that: the liquid outlet pipeline comprises a first liquid pipe, a second liquid pipe, a third liquid pipe and a fourth liquid pipe, the liquid outlet valve comprises a first liquid phase valve, a second liquid phase valve, a third liquid phase valve and a fourth liquid phase valve, the buried LPG storage tank comprises a first storage tank and a second storage tank, the first liquid pipe communicated with the first storage tank and the second liquid pipe communicated with the second storage tank are respectively connected with the third liquid pipe through the first liquid phase valve and the second liquid phase valve, the third liquid pipe is connected with the inlet of the hydrocarbon pump through the third liquid phase valve, and the outlet of the hydrocarbon pump is connected with the filling port of the filling platform through the fourth liquid pipe provided with the fourth liquid phase valve; the backflow pipeline comprises a first backflow pipe, a second backflow pipe and a third backflow pipe, the backflow valve comprises a first backflow valve, a second backflow valve and an automatic backflow valve, the first backflow pipe communicated with the first storage tank and the second backflow pipe communicated with the second storage tank are respectively connected with the third backflow pipe through the first backflow valve and the second backflow valve, and the third backflow pipe is connected with a fourth liquid pipe between the filling control valve and the fourth liquid phase valve through the automatic backflow valve; the gas phase pipeline comprises a first gas pipe communicated with a gas phase port of the first storage tank, a second gas pipe communicated with a gas phase port of the second storage tank, a third gas pipe connected with an inlet of the compressor and a fourth gas pipe connected with an outlet of the compressor, and the gas phase valve comprises a first gas phase valve, a second gas phase valve, a third gas phase valve and a fourth gas phase valve; the first gas pipe is connected with the third gas pipe through a first gas phase valve and is connected with the fourth gas pipe through a third gas phase valve; the second air pipe is connected with the third air pipe through a second air valve and is simultaneously connected with the fourth air pipe through a fourth air valve.
3. A buried LPG distribution station compressor and hydrocarbon pump combined filling system according to claim 2, characterised in that: and the fourth liquid pipe is connected with an exhaust pipe, and the exhaust pipe is provided with an exhaust valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920833168.9U CN210241169U (en) | 2019-06-04 | 2019-06-04 | Compressor and hydrocarbon pump combined filling system of buried LPG storage and distribution station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920833168.9U CN210241169U (en) | 2019-06-04 | 2019-06-04 | Compressor and hydrocarbon pump combined filling system of buried LPG storage and distribution station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210241169U true CN210241169U (en) | 2020-04-03 |
Family
ID=69973919
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920833168.9U Active CN210241169U (en) | 2019-06-04 | 2019-06-04 | Compressor and hydrocarbon pump combined filling system of buried LPG storage and distribution station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210241169U (en) |
-
2019
- 2019-06-04 CN CN201920833168.9U patent/CN210241169U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US3807433A (en) | Service station vapor collection system | |
| CN103672394A (en) | Pump-free LNG gas-filling system and liquefied natural gas processing method | |
| CN207298367U (en) | A kind of skid of unloading with low-temperature centrifugal pump with the LNG for being pressurized gasifier is put | |
| CN204099894U (en) | A kind of sled of the liquefied natural gas filling for station of liquefying | |
| CN203671240U (en) | Liquefied petroleum gas tank emptying device | |
| CN104763875B (en) | Liquefied natural gas or coal gas unload liquid method | |
| CN104445038A (en) | Small underground oil depot | |
| CN210241169U (en) | Compressor and hydrocarbon pump combined filling system of buried LPG storage and distribution station | |
| CN106287202A (en) | A kind of storage tank reclaims BOG without discharge LNG aerator and method | |
| CN204372529U (en) | A kind of LNG Liquefied natural gas immersed pump sled liquid-adding device | |
| CN102556186A (en) | Tank-type semi-trailer of high and medium pressure gases | |
| CN106382457B (en) | Liquefied petroleum gas handling sled | |
| CN204213617U (en) | Skid-mounted LNG two pump two-shipper filling apparatus | |
| CN210716928U (en) | Sequence control valve group | |
| CN204140547U (en) | Open the cabin the pressure experimental device of oil cylinder | |
| CN206290966U (en) | Removable bank base formula LNG loading systems | |
| CN209839675U (en) | Small liquefied petroleum gas storage and distribution station | |
| CN105465100A (en) | Pressure testing device and pressure testing method for cabin opening oil cylinder | |
| CN205350843U (en) | LNG gas station immersed pump sled based on safety | |
| CN107859869A (en) | A kind of portable LNG skids liquid feeding unloading system | |
| CN210683191U (en) | Base oil filling and storing system | |
| CN204213613U (en) | Skid-mounted LNG two pump four machine filling apparatus | |
| CN104421609A (en) | Liquefied natural gas twin-pump gas station | |
| CN207674105U (en) | A kind of movable type LNG skid liquid feeding unloading systems | |
| CN204083792U (en) | A kind of tank car is detained LNG collecting device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |