CN203671234U - Liquefied petroleum gas tank emptying device - Google Patents

Liquefied petroleum gas tank emptying device Download PDF

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Publication number
CN203671234U
CN203671234U CN201420042126.0U CN201420042126U CN203671234U CN 203671234 U CN203671234 U CN 203671234U CN 201420042126 U CN201420042126 U CN 201420042126U CN 203671234 U CN203671234 U CN 203671234U
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CN
China
Prior art keywords
pipe
compressor
gas phase
tank
storage tank
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.)
Expired - Fee Related
Application number
CN201420042126.0U
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Chinese (zh)
Inventor
景炜
潘玉苹
林峰
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 SPECIAL EQUIPMENT INSPECTION LIAOCHEN BRANCH
Original Assignee
SHANDONG SPECIAL EQUIPMENT INSPECTION LIAOCHEN BRANCH
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Priority to CN201420042126.0U priority Critical patent/CN203671234U/en
Application granted granted Critical
Publication of CN203671234U publication Critical patent/CN203671234U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses a liquefied petroleum gas tank emptying device and belongs to accessory devices for gas stations. The liquefied petroleum gas tank emptying device structurally comprises a compressor, a motor, a pipe valve module, a compressor inlet air pipe, a compressor exhaust pipe, a bottom connecting pipe and storage tank gas phase pipes. The number of the storage tank gas phase pipes is equal to that of storage tanks, every storage tank gas phase pipe is respectively connected with the corresponding storage tank, the lower portions of the storage tanks are respectively provided with bottom valves, the bottoms of the bottom valves are fixedly connected with bottom connecting pipes for communication of the multiple storage tanks, the compressor is connected with the motor, the compressor inlet air pipe is connected with an air inlet of the compressor, the compressor exhaust pipe is connected with an exhaust port of the compressor, the compressor inlet air pipe and the other end of the compressor exhaust pipe are connected with the pipe valve module, and the other end of every storage tank gas phase pipe is respectively connected with the pipe valve module. The liquefied petroleum gas tank emptying device has the advantages of emptying liquefied petroleum gas in the abnormal storage tanks, guaranteeing safety and being convenient to maintain.

Description

Liquefied petroleum gas (LPG) tank switching device
Technical field
The utility model relates to a kind of fixture of gas station, especially a kind of liquefied petroleum gas (LPG) tank switching device of liquefied petroleum gas (LPG) in storage tank in liquid gas station being poured into another tank from certain tank.
Background technique
The storage tank of storage liquid liquefied oil gas in liquefied petroleum gas (LPG) fueling station at present, generally be at least two, in usually using, owing to safeguarding many-sided reasons such as improper use, easily make pipe joint, the adpting flange etc. of storage tank occur abnormal conditions, for ease of maintenance, guarantee the safety in station, must make liquefied petroleum gas (LPG) in abnormal storage tank, pour into the LPG tank truck of N/R storage tank or safety.
Model utility content
Technical assignment of the present utility model is to provide a kind of liquefied petroleum gas (LPG) tank switching device for above-mentioned deficiency of the prior art, and this liquefied petroleum gas (LPG) tank switching device has the liquefied petroleum gas (LPG) in the abnormal storage tank of turned letter, guarantees safety, is convenient to the feature of maintenance.
The utility model solves the technological scheme that its technical problem adopts: it comprises compressor, motor, pipe valve assembly, compressor inleting pipe, compressor exhaust pipe, end connecting tube and storage tank gas phase pipe, the number of described storage tank gas phase pipe is identical with the number of storage tank, the each storage tank gas phase pipe respectively storage tank corresponding with it is connected, the bottom of described storage tank is respectively arranged with bottom valve, bottom valve bottom is fixedly connected with the end connecting tube that many storage tanks are connected, described compressor is connected with motor, described compressor inleting pipe is connected with the suction port of compressor, compressor exhaust pipe is connected with the relief opening of compressor, described compressor inleting pipe is connected with pipe valve assembly with the other end of compressor exhaust pipe, the other end of described multiple storage tank gas phase pipes is connected with pipe valve assembly respectively.
Described storage tank comprises 3, be respectively a tank, No. two tanks and No. three tanks, on a described tank, No. two tanks and No. three tanks, be respectively arranged with a tank gas phase pipe, No. two tank gas phase pipes and No. three tank gas phase pipes, described a tank gas phase pipe, No. two tank gas phase pipes are connected with pipe valve assembly respectively with No. three tank gas phase pipes.
Described pipe valve assembly comprises two longitudinal tubule (L tubule)s and three transverse tubes, the number of transverse tube is identical with the number of storage tank, one end of every longitudinal tubule (L tubule) is respectively the blind pipe blocking, the other end is respectively by the relief opening of compressor exhaust pipe and compressor inleting pipe and compressor, suction port is fixedly connected with, three described transverse tubes are arranged in parallel respectively between two longitudinal tubule (L tubule)s, three described transverse tubes are made up of the valve at a middle three-way pipe and three-way pipe two ends respectively, three-way pipe two ends are fixedly connected with valve the inner, the middle tube head of three-way pipe is connected with each storage tank gas phase pipe, valve outer end is fixedly connected with longitudinal tubule (L tubule).
Described end connecting tube, a tank gas phase pipe, No. two tank gas phase pipes and No. three tank gas phase pipes are formed by steel-pipe welding respectively.
Compared to the prior art liquefied petroleum gas (LPG) tank switching device of the present utility model, has following outstanding beneficial effect: the liquefied petroleum gas (LPG) that can turn in time in abnormal storage tank, thus guarantee the safety in fueling station, be convenient to maintenance.
Accompanying drawing explanation
Accompanying drawing 1 is the structural representation of liquefied petroleum gas (LPG) tank switching device;
Description of reference numerals: a 1. tank, 2. No. two tanks, 3. No. three tanks, 4. bottom valves, 5. end connecting tube, 6. No. three tank gas phase pipes, 7. compressor exhaust pipe, 8. compressor, 9. motor, 10. compressor inleting pipe, 11. the 6th valves, 12. the 5th valves, 13. pipe valve assemblies, 14. the 3rd valves, 15. the 4th valves, 16. first valves, 17. second valves, 18. No. two tank gas phase pipes, No. 19. tank gas phase pipes, 20. longitudinal tubule (L tubule)s, 21. first three-way pipes, 22. second three-way pipes, 23. the 3rd three-way pipes.
Embodiment
With reference to Figure of description 1, liquefied petroleum gas (LPG) tank switching device of the present utility model is described in detail below.
Liquefied petroleum gas (LPG) tank switching device of the present utility model, its structure comprises compressor 8, motor 9, pipe valve assembly 13, compressor inleting pipe 10, compressor exhaust pipe 7, end connecting tube 5 and storage tank gas phase pipe, the number of described storage tank gas phase pipe is identical with the number of storage tank, the each storage tank gas phase pipe respectively storage tank corresponding with it is connected, the bottom of described storage tank is respectively arranged with bottom valve 4, bottom valve 4 bottoms are fixedly connected with the end connecting tube 5 that many storage tanks are connected, described compressor 8 is connected with motor 9, described compressor inleting pipe 10 is connected with the suction port of compressor 8, compressor exhaust pipe 7 is connected with the relief opening of compressor 8, described compressor inleting pipe 10 is connected with pipe valve assembly 13 with the other end of compressor exhaust pipe 7, the other end of described multiple storage tank gas phase pipes is connected with pipe valve assembly 13 respectively.
Described storage tank comprises 3, be respectively tank 1, No. two tanks 2 and No. three tanks 3, on a described tank 1, No. two tanks 2 and No. three tanks 3, be respectively arranged with tank gas phase pipe 19, No. two tank gas phase pipes 18 and No. three tank gas phase pipes 6, a described tank gas phase pipe 19, No. two tank gas phase pipes 18 are connected with pipe valve assembly 13 respectively with No. three tank gas phase pipes 6.
Described pipe valve assembly 13 is to be formed by steel-pipe welding, comprise two longitudinal tubule (L tubule)s 20 and three transverse tubes, the number of transverse tube is identical with the number of storage tank, one end of every longitudinal tubule (L tubule) 20 is respectively the blind pipe blocking, the other end is respectively by the relief opening of compressor exhaust pipe 7 and compressor inleting pipe 10 and compressor 8, suction port is fixedly connected with, three described transverse tubes are arranged in parallel respectively between two longitudinal tubule (L tubule)s 20, three described transverse tubes are made up of the valve at a middle three-way pipe and three-way pipe two ends respectively, three-way pipe two ends are fixedly connected with valve the inner, the middle tube head of three-way pipe is connected with each storage tank gas phase pipe, valve outer end is fixedly connected with longitudinal tubule (L tubule) 20.The three-way pipe being connected with tank gas phase pipe 19 is the first three-way pipe 21, and the valve of its first three-way pipe 21 left and right sides is respectively the first valve 16 and the second valve 17; The three-way pipe being connected with No. two tank gas phase pipes 18 is the second three-way pipe 22, and the valve of its second three-way pipe 22 left and right sides is respectively the 3rd valve 14 and the 4th valve 15; The three-way pipe being connected with No. three tank gas phase pipes 6 is the 3rd three-way pipe 23, and the valve of its 3rd three-way pipe 23 left and right sides is respectively the 5th valve 12 and the 6th valve 11.
Described end connecting tube 5, tank gas phase pipe 19, No. two tank gas phase pipes 18 and No. three tank gas phase pipes 6 are formed by steel-pipe welding respectively.
The utility model can be by the LNG Liquefied natural gas upside-down mounting in any one storage tank in another storage tank arbitrarily, below the LNG Liquefied natural gas in a tank 1 is poured into No. three tanks 3 as example explanation: first the 5th valve 12 on pipe valve assembly 13 is opened, No. three tank gas phase pipes 6 that are connected to No. three tank 3 tops are connected with compressor inleting pipe 10, again the second valve 17 on pipe valve assembly 13 is opened, a tank gas phase pipe 19 that is connected to tank 1 top is connected with compressor exhaust pipe 7, connect the power supply of motor 9, compressor 8 is worked, now, LNG Liquefied natural gas in No. three tanks 3, by No. three tank gas phase pipes 6, the left side of the 3rd three-way pipe 23, the 5th valve 12, compressor inleting pipe 10, compressor 8, compressor exhaust pipe 7, the second valve 17 on pipe valve assembly 13, the right of the first three-way pipe 21, No. one tank gas phase pipe 19 enters in a tank 1, due to the continuous work of compressor 8, No. three gasification rock gases in tank 3 are constantly extracted in a tank 1 in a steady stream, a pressure in tank 1 is constantly increased, pressure in No. three tanks 3 constantly reduces, when forming after certain pressure difference (such as 0.2MPa), can open the bottom valve of a tank 1 and the bottom valve 4 of No. three tanks 3, liquid LNG Liquefied natural gas will be from a tank 1, by the bottom valve of a tank 1, end connecting tube 5, the bottom valve 4 of No. three tanks 3, flow in No. three tanks 3, realize the tank switching to LNG Liquefied natural gas.
Except the technical characteristics described in specification, be the known technology of those skilled in the art.

Claims (4)

1. liquefied petroleum gas (LPG) tank switching device, it is characterized in that: comprise compressor, motor, pipe valve assembly, compressor inleting pipe, compressor exhaust pipe, end connecting tube and storage tank gas phase pipe, the number of described storage tank gas phase pipe is identical with the number of storage tank, the each storage tank gas phase pipe respectively storage tank corresponding with it is connected, the bottom of described storage tank is respectively arranged with bottom valve, bottom valve bottom is fixedly connected with the end connecting tube that many storage tanks are connected, described compressor is connected with motor, described compressor inleting pipe is connected with the suction port of compressor, compressor exhaust pipe is connected with the relief opening of compressor, described compressor inleting pipe is connected with pipe valve assembly with the other end of compressor exhaust pipe, the other end of described multiple storage tank gas phase pipes is connected with pipe valve assembly respectively.
2. liquefied petroleum gas (LPG) tank switching device according to claim 1, it is characterized in that: described storage tank comprises 3, be respectively a tank, No. two tanks and No. three tanks, on a described tank, No. two tanks and No. three tanks, be respectively arranged with a tank gas phase pipe, No. two tank gas phase pipes and No. three tank gas phase pipes, described a tank gas phase pipe, No. two tank gas phase pipes are connected with pipe valve assembly respectively with No. three tank gas phase pipes.
3. liquefied petroleum gas (LPG) tank switching device according to claim 2, it is characterized in that: described pipe valve assembly comprises two longitudinal tubule (L tubule)s and three transverse tubes, the number of transverse tube is identical with the number of storage tank, one end of every longitudinal tubule (L tubule) is respectively the blind pipe blocking, the other end is respectively by the relief opening of compressor exhaust pipe and compressor inleting pipe and compressor, suction port is fixedly connected with, three described transverse tubes are arranged in parallel respectively between two longitudinal tubule (L tubule)s, three described transverse tubes are made up of the valve at a middle three-way pipe and three-way pipe two ends respectively, three-way pipe two ends are fixedly connected with valve the inner, the middle tube head of three-way pipe is connected with each storage tank gas phase pipe, valve outer end is fixedly connected with longitudinal tubule (L tubule).
4. liquefied petroleum gas (LPG) tank switching device according to claim 2, is characterized in that: described end connecting tube, a tank gas phase pipe, No. two tank gas phase pipes and No. three tank gas phase pipes are formed by steel-pipe welding respectively.
CN201420042126.0U 2014-01-23 2014-01-23 Liquefied petroleum gas tank emptying device Expired - Fee Related CN203671234U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420042126.0U CN203671234U (en) 2014-01-23 2014-01-23 Liquefied petroleum gas tank emptying device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420042126.0U CN203671234U (en) 2014-01-23 2014-01-23 Liquefied petroleum gas tank emptying device

Publications (1)

Publication Number Publication Date
CN203671234U true CN203671234U (en) 2014-06-25

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201420042126.0U Expired - Fee Related CN203671234U (en) 2014-01-23 2014-01-23 Liquefied petroleum gas tank emptying device

Country Status (1)

Country Link
CN (1) CN203671234U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104089179A (en) * 2014-07-11 2014-10-08 上海市特种设备监督检验技术研究院 Emergent tank reversing device and method for accident tank

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104089179A (en) * 2014-07-11 2014-10-08 上海市特种设备监督检验技术研究院 Emergent tank reversing device and method for accident tank

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C14 Grant of patent or utility model
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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20140625

Termination date: 20150123

EXPY Termination of patent right or utility model