CN209839675U - Small liquefied petroleum gas storage and distribution station - Google Patents
Small liquefied petroleum gas storage and distribution station Download PDFInfo
- Publication number
- CN209839675U CN209839675U CN201920655318.1U CN201920655318U CN209839675U CN 209839675 U CN209839675 U CN 209839675U CN 201920655318 U CN201920655318 U CN 201920655318U CN 209839675 U CN209839675 U CN 209839675U
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- China
- Prior art keywords
- liquefied petroleum
- petroleum gas
- gas
- valve
- storage tank
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- 239000003915 liquefied petroleum gas Substances 0.000 title claims abstract description 54
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 title claims abstract description 50
- 239000007789 gas Substances 0.000 claims abstract description 45
- 239000007788 liquid Substances 0.000 claims abstract description 27
- 239000004215 Carbon black (E152) Substances 0.000 claims abstract description 12
- 230000000875 corresponding Effects 0.000 claims abstract description 8
- 238000007906 compression Methods 0.000 claims abstract description 5
- -1 liquefied petroleum gas hydrocarbon Chemical class 0.000 claims abstract description 4
- 239000012071 phase Substances 0.000 abstract description 47
- 239000007792 gaseous phase Substances 0.000 abstract description 12
- 239000007791 liquid phase Substances 0.000 description 18
- 238000000034 method Methods 0.000 description 9
- 150000002430 hydrocarbons Chemical class 0.000 description 8
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 210000000214 Mouth Anatomy 0.000 description 1
- 229910004682 ON-OFF Inorganic materials 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000005500 petroleum industry Methods 0.000 description 1
Abstract
The utility model discloses a station is joined in marriage in small-size liquefied petroleum gas storage, including tank wagon, one with liquefied petroleum gas storage tank, raffinate jar, more than one be furnished with vapour and liquid separator's liquefied petroleum gas compressor, loading platform, more than one liquefied petroleum gas hydrocarbon pump and gas phase pipeline and corresponding valve, its characterized in that: a four-way valve is arranged in each liquefied petroleum gas compressor pipeline system, two paths of gas-phase main pipes are arranged between the storage tank area and the air compressor, and the loading and unloading functions of each storage tank can be realized through the four-way valve and the gas-phase main pipes in the air compression system. The utility model discloses compare gaseous phase pipe device system operation with liquefied petroleum gas storage station and more safely, reliably, the system is more succinct, and the operation is simpler, the operation is more reliable, the total amount of the gaseous phase pipe of big festival and the quantity of valve, the investment is saved relatively.
Description
Technical Field
The utility model relates to a liquefied petroleum gas stores up and joins in marriage the station, is the facility of storing and distributing liquefied petroleum gas, and the main task is that receive, store and to steel bottle, distribution tank wagon and other portable container filling liquefied petroleum gas, especially relates to a small-size liquefied petroleum gas stores up and joins in marriage station.
Background
With the development of the petroleum industry, the supply business of liquefied petroleum gas has been rapidly developed. The supply system of the liquefied petroleum gas storage and distribution station is widely used in areas where other gas sources are difficult to reach or gas pipelines are difficult to lay. The liquefied petroleum gas storage and distribution station has the characteristics of investment saving, high construction speed and high supply flexibility.
The traditional liquefied petroleum gas storage and distribution station gas phase pipeline device mainly comprises: railway (automobile) tank cars, liquefied petroleum gas storage tanks, residual liquid tanks, gas phase valve sets, air compressors (containing gas-liquid separators), loading platforms, gas phase pipelines and valves thereof, and the like. The conventional liquefied petroleum gas storage and distribution station has the main functions of: receiving liquefied petroleum gas from a storage tank of a railway tank car (automobile tank car); unloading the liquefied petroleum gas into a fixed storage tank of a storage and distribution station for storage; filling the liquefied petroleum gas in the fixed storage tank of the storage and distribution station into a steel cylinder and a storage tank of an automobile tank car; receiving empty bottles and sending real bottles; pouring the residual liquid in the empty bottle into a residual liquid tank.
The traditional liquefied petroleum gas storage and distribution station has the following defects:
1) the gas phase pipeline system is provided with a valve group, the number of valves is large, and the pipeline system is complex.
A gas phase valve group is arranged in a gas phase pipeline device of a traditional liquefied petroleum gas storage and distribution station, a gas phase pipeline system of the traditional liquefied petroleum gas storage and distribution station realizes the loading and unloading functions of storage tanks through the gas phase valve group, and each fixed storage tank needs to be provided with a group of valves. The device system characteristics do: each pair of valves in the valve group corresponds to the storage tank one by one, the valves are single in function, each valve is in a corresponding opening and closing state at ordinary times, and the corresponding valves are opened and closed respectively for loading and unloading when the storage tank is loaded and unloaded. The disadvantages are: the system is complicated and the number of valves is large.
2) The opening and closing flow of the valve of the gas phase pipeline system is complicated, error operation is easy to cause, and the reliability of the system is poor.
Every storage tank of traditional liquefied petroleum storage and distribution station gaseous phase pipeline all is equipped with one set of valve group, and strict correspondence between valve group and storage tank, each valve need carry out the sign, and the on-off state of every valve is also different. When the storage and distribution station works, strict operation procedures exist in the opening and closing of each valve, the process is complicated, and misoperation is easy to occur. Meanwhile, as each valve is opened and closed frequently, faults are easy to occur, and the reliability of the system is relatively poor.
3) Each storage tank needs to be provided with a gas phase pipe independently, the number of pipelines is large, and the investment of a pipeline system is high.
In the process flow of the traditional liquefied petroleum gas storage and distribution station, each storage tank needs to be independently provided with a valve group from a gas phase pipe to an air compressor room, and the corresponding storage tank is controlled by a valve of the gas phase valve group to complete the loading and unloading functions. For the liquefied petroleum gas storage station with a large number of storage tanks, the number of gas phase pipes is correspondingly increased along with the number of the storage tanks. Meanwhile, because the distance between the air compression station and the storage tank area is usually long, when the number of the gas-phase pipes is increased along with the number of the storage tanks in a calculation order, the total number of the gas-phase pipes is also increased according to a corresponding proportion, and the investment of a pipeline system is relatively high and unreasonable.
Disclosure of Invention
The utility model aims to provide a: aiming at the defects and shortcomings of the traditional liquefied petroleum gas storage and distribution station, the miniaturized liquefied petroleum gas storage and distribution station has the advantages of novel design, simplified pipeline system, gas phase pipeline and valve quantity saving, convenience in operation, safety and reliability.
The utility model discloses a tank wagon, more than one liquefied petroleum gas storage tank, residual liquid jar, more than one liquefied petroleum gas compressor, loading platform, more than one liquefied petroleum gas hydrocarbon pump and gas phase pipeline and corresponding valve that are furnished with vapour and liquid separator, its characterized in that: a four-way valve is arranged in each liquefied petroleum gas compressor pipeline system, two paths of gas-phase main pipes are arranged between the storage tank area and the air compressor, and the loading and unloading functions of each storage tank can be realized through the four-way valve and the gas-phase main pipes in the air compression system.
Station is joined in marriage in small-size liquefied petroleum gas storage, a mouthful of cross valve links to each other with the liquefied petroleum gas compressor, another mouthful links to each other with the liquefied petroleum gas compressor through vapour and liquid separator, two other mouths link to each other with the female pipe of two-way gaseous phase.
The utility model discloses compare with liquefied petroleum gas storage station and have following advantage:
(1) safe and reliable gas phase pipeline device system
The utility model discloses set up the cross valve in gaseous phase pipeline process units, utilize the cross valve can positive reverse operation's characteristics to replace traditional liquefied petroleum gas to store up the valve group in the gaseous phase pipeline device of joining in marriage station, than between traditional valve group strict open and close the state, open and stop the order, gaseous phase pipe device system after the improvement moves more safely, reliably.
(2) Simple process and convenient operation
The utility model discloses adopt the cross valve to replace the gas phase valve group in traditional liquefied petroleum gas storage and distribution station technology in air compressor pipe-line system, simplified process flow, avoided frequent opening of traditional gas phase valve group to open and stop, process system is more succinct, and the operation is simpler, the operation is more reliable.
(3) Saving the number of gas phase pipelines and valves and saving investment
The utility model discloses having utilized the functional characteristics of the positive inverted operation of cross valve at air compressor pipe-line system make full use of, only needing to set up two gaseous female pipes in storage tank district and air compressor room, can realize the loading and unloading function to every storage tank, every storage tank need set up one gaseous phase pipeline to air compressor room alone in more traditional technology, and the total amount of the big gas phase pipe of economizing of process flow and the quantity of valve, the investment is more economized relatively.
Drawings
FIG. 1 is a schematic structural diagram of a conventional liquefied petroleum gas storage and distribution station phase pipe device;
FIG. 2 is a schematic structural view of a liquefied petroleum gas storage and distribution station of the present invention;
fig. 3 is a schematic structural view of the phase tube device of the liquefied petroleum gas storage and distribution station of the present invention.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
The utility model discloses adopt the cross valve to replace gaseous phase valve group at air compressor pipe-line system, including railway (car) tank wagon 1, one with liquefied petroleum gas storage tank 2, residual liquid jar 3, more than one liquefied petroleum gas compressor 5 that is furnished with vapour and liquid separator 6, loading platform 7, more than one liquefied petroleum gas hydrocarbon pump 9, station with handheld oil pump 10, raffinate accuse pump and gaseous phase pipeline and corresponding valve, set up two way gaseous phase female pipes 8 between storage tank district and compressor room, can realize every storage tank loading and unloading function through cross valve 4 among the air compression system and gaseous phase female pipe 8. One port of the four-way valve 4 is connected with a liquefied petroleum gas compressor 5, the other port is connected with the liquefied petroleum gas compressor 5 through a gas-liquid separator 6, and the other two ports are respectively connected with two paths of gas phase main pipes 8.
The utility model discloses a working process and principle do:
1. tank car filled with compressor
Communicating a gas-phase pipe of the loading platform with a gas-phase pipe of the tank car through a hose, and communicating the gas-phase pipe on the loading platform with an inlet of the compressor; communicating a gas phase pipe of the liquid outlet storage tank with an outlet pipe of the compressor; communicating a liquid phase pipe of the loading and unloading platform with a liquid phase pipe of the tank car through a hose, and then communicating with a liquid outlet pipe of a liquid outlet storage tank; starting the compressor and the four-way valve, and pumping the gas phase of the tank car to reduce the pressure of the tank car. The pumped gas phase is injected into the liquid outlet storage tank, so that the liquefied gas in the liquid outlet storage tank flows into the tank wagon. Closing the compressor and closing the hose valve; and closing the gas and liquid phase valves and the emergency cut-off valve of the tank car.
2. Tank unloading vehicle using compressor
Communicating a gas phase pipe of the liquid inlet storage tank with an inlet pipe of the compressor, and communicating a gas phase pipe of the loading and unloading platform with an outlet pipe of the compressor; a liquid phase inlet pipe of the liquid inlet storage tank is communicated with a liquid phase pipe of the loading and unloading platform; respectively communicating a liquid phase pipe and a gas phase pipe of the tank car with a liquid phase pipe and a gas phase pipe of the loading and unloading platform through hoses; and starting the compressor and the four-way valve, and pumping the gas phase of the liquid inlet storage tank into the tank car to increase the pressure of the tank car. And opening a liquid phase valve of the tank wagon to enable the liquefied gas in the tank wagon to flow into the liquid inlet storage tank. After unloading, stopping the compressor and closing the hose valve; and closing the gas and liquid phase valves and the emergency cut-off valve of the tank car.
3. Filling tank car by using hydrocarbon pump
Communicating a liquid phase outlet pipe of the liquid outlet tank with an inlet pipe of a hydrocarbon pump; the outlet of the pump is communicated with a liquid phase pipe of the loading platform of the tank car, and the liquid phase pipe of the tank car is communicated with the liquid phase pipe of the loading platform by a hose; communicating the gas phase pipe of the loading and unloading platform with the gas phase pipe of the tank car through a hose; starting a hydrocarbon pump for filling; after loading, the pump is stopped according to the program, and then the valve is closed.
4. Tank unloading vehicle using hydrocarbon pump
Communicating a liquid phase pipe of the loading platform with an inlet of a hydrocarbon pump; an inlet liquid phase pipe of the liquid inlet storage tank is communicated with an outlet of the hydrocarbon pump; communicating a gas phase pipe on the loading and unloading platform with a gas phase pipe of the liquid inlet tank; respectively communicating a liquid phase pipe and a gas phase pipe of the tank car with a liquid phase pipe and a gas phase pipe of the loading and unloading platform through hoses; starting a hydrocarbon pump to discharge liquid; after unloading, stopping the hydrocarbon pump, and then closing the hose valve; and closing the gas and liquid phase valves and the emergency cut-off valve of the tank car.
Claims (2)
1. A small liquefied petroleum gas storage station comprises a tank car, a liquefied petroleum gas storage tank, a residual liquid tank, more than one liquefied petroleum gas compressor with a gas-liquid separator, a loading platform, more than one liquefied petroleum gas hydrocarbon pump, a gas phase pipeline and a corresponding valve, and is characterized in that: a four-way valve is arranged in each liquefied petroleum gas compressor pipeline system, two paths of gas-phase main pipes are arranged between the storage tank area and the air compressor, and the loading and unloading functions of each storage tank are realized through the four-way valve and the gas-phase main pipes in the air compression system.
2. The small liquefied petroleum gas storage and dispensing station as claimed in claim 1, wherein: one port of the four-way valve is connected with a liquefied petroleum gas compressor, the other port of the four-way valve is connected with the liquefied petroleum gas compressor through a gas-liquid separator, and the other two ports of the four-way valve are connected with two paths of gas phase main pipes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920655318.1U CN209839675U (en) | 2019-05-09 | 2019-05-09 | Small liquefied petroleum gas storage and distribution station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920655318.1U CN209839675U (en) | 2019-05-09 | 2019-05-09 | Small liquefied petroleum gas storage and distribution station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209839675U true CN209839675U (en) | 2019-12-24 |
Family
ID=68915948
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920655318.1U Active CN209839675U (en) | 2019-05-09 | 2019-05-09 | Small liquefied petroleum gas storage and distribution station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209839675U (en) |
-
2019
- 2019-05-09 CN CN201920655318.1U patent/CN209839675U/en active Active
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