CN105782721A - Method for transmitting liquefied petroleum gas by virtue of temperature difference pressurization - Google Patents
Method for transmitting liquefied petroleum gas by virtue of temperature difference pressurization Download PDFInfo
- Publication number
- CN105782721A CN105782721A CN201610181492.8A CN201610181492A CN105782721A CN 105782721 A CN105782721 A CN 105782721A CN 201610181492 A CN201610181492 A CN 201610181492A CN 105782721 A CN105782721 A CN 105782721A
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- CN
- China
- Prior art keywords
- liquefied petroleum
- petroleum gas
- heat
- pressure
- magnetic force
- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D1/00—Pipe-line systems
- F17D1/02—Pipe-line systems for gases or vapours
- F17D1/065—Arrangements for producing propulsion of gases or vapours
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/04—Arrangement or mounting of valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C7/00—Methods or apparatus for discharging liquefied, solidified, or compressed gases from pressure vessels, not covered by another subclass
- F17C7/02—Discharging liquefied gases
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2270/00—Applications
- F17C2270/01—Applications for fluid transport or storage
- F17C2270/0134—Applications for fluid transport or storage placed above the ground
- F17C2270/0139—Fuel stations
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2270/00—Applications
- F17C2270/01—Applications for fluid transport or storage
- F17C2270/0142—Applications for fluid transport or storage placed underground
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The invention belongs to a method for transmitting liquefied petroleum gas by virtue of temperature difference pressurization, which is used in a liquefied petroleum gas station. The method is invented by virtue of the principle of generating different saturated vapour pressures by the liquefied petroleum gas at different temperatures. The method is characterized in that when a magnetic buoy in a magnetic potentiometer at one side of a liquefied petroleum gas pressurizer is lower than a lower relay, a cold water pump is started to inject cold water into a cold-heat exchanger; when an electric contact pressure gauge is lower than 0.5MPa, and the magnetic buoy in the magnetic potentiometer at one side of the liquefied petroleum gas pressurizer is higher than the lower relay, a hot water pump is started to inject hot water into the cold-heat exchanger; and when the electric contact pressure gauge is lower than 1.6MPa, the hot water pump stops working. In conclusion, according to the method disclosed by the invention, the heat generated by solar energy is adequately utilized, and equipment is low in investment, and safe and reliable in running.
Description
Technical field:
The invention belongs to the method that a kind of liquefied petroleum gas that liquefied petroleum-gas station uses utilizes temperature difference supercharging to be transmitted, a kind of the method specifically liquefied petroleum gas storage tank being arranged on underground used when being transmitted.
Background technology:
At present for being arranged on the liquefied petroleum gas storage tank of underground, generally select gasing pump to additional gas, so due to the contact of electrical equipment, it is easy to produce spark, when the LPG concentration in air reaches certain value, just produce blast, cause the loss of personnel and property.
Summary of the invention:
The purpose of the present invention, in that overcome above-mentioned shortcoming, and provide and install the method that operation is very easy and has safe a kind of liquefied petroleum gas to utilize temperature difference supercharging to be transmitted.
nullTechnical scheme to be solved by this invention is: a kind of liquefied petroleum gas utilizes the method that temperature difference supercharging is transmitted，It is characterized in that: first when the magnetic force buoy in the magnetic force potentiometer of liquefied petroleum gas supercharger side is lower than the next relay，Start water supply pump and inject cold water to cool-heat-exchanger，Now liquefied petroleum gas supercharger pressure is gradually lowered，Air inlet pipe check valve automatically opens up and injects liquefied petroleum gas in liquefied petroleum gas supercharger，When the magnetic force buoy in the magnetic force potentiometer of side in liquefied petroleum gas supercharger is higher than the next relay，Water supply pump quits work，And open the electromagnet cut off valve above cold water outlet pipe，When the cold water in cool-heat-exchanger being drained after only，Close the electromagnet cut off valve above cold water outlet pipe，Simultaneously when the pressure of electro connecting pressure gauge is lower than 0.5MPa，Restart heat-exchanger pump and in cool-heat-exchanger, inject hot water，Now the liquefied petroleum gas pressure and temperature in liquefied petroleum gas supercharger is gradually increased and produces saturated vapor pressure，After saturated vapor pressure reaches certain pressure，Liquefied petroleum gas container is entered by the escape pipe check valve above liquefied petroleum gas escape pipe，Now the pressure above electro connecting pressure gauge is gradually increased，When pressure reaches the maximum pressure 1.6MPa set，Heat-exchanger pump quits work，Now due to air filling gun constantly outside transportation of liquefied oil gas，So the reduction that pressure above electro connecting pressure gauge is gradually，When magnetic force buoy in the magnetic force potentiometer of liquefied petroleum gas supercharger side is lower than the next relay，Start again water supply pump and inject cold water to cool-heat-exchanger，Now liquefied petroleum gas supercharger pressure is gradually lowered，Air inlet pipe check valve automatically opens up and injects liquefied petroleum gas in liquefied petroleum gas supercharger，The periodic duty so gone round and begun again，Guarantee that the pressure in liquefied petroleum gas container is in the pressure of the 0.5MPa to 1.6MPa of setting all the time，So that it is guaranteed that air filling gun is safe and reliable to additional gas working stability.
When magnetic force buoy in the magnetic force potentiometer of above-mentioned liquefied petroleum gas supercharger side is lower than the next relay, start water supply pump and inject cold water to cool-heat-exchanger, when electro connecting pressure gauge is lower than 0.5MPa, when magnetic force buoy in the magnetic force potentiometer of liquefied petroleum gas supercharger side is higher than the next relay simultaneously, start heat-exchanger pump and inject hot water to cool-heat-exchanger, when electro connecting pressure gauge is lower than 1.6MPa, heat-exchanger pump quits work.
Above-mentioned water supply pump and heat-exchanger pump are automatically controlled by the upper relay of electro connecting pressure gauge and magnetic force potentiometer and the next relay.
When in solar energy hot-water tank, the temperature of water is lower than 60 degree, it is possible to start the hot water heating adding heat pipe to injecting cool-heat-exchanger, it is ensured that stable and reliable operation of the present invention.
The present invention can also pass through each monitoring point, utilizes computer control.
The good effect that the present invention produces: due to the liquefied petroleum gas effect by the temperature difference, after liquefied petroleum gas is produced saturated vapor pressure in liquefied petroleum gas supercharger, enter in liquefied petroleum gas storage tank by liquefied petroleum gas escape pipe and check valve, pressure in such liquefied petroleum gas storage tank increases, liquefied petroleum gas in tank is without outwards carrying by liquefied petroleum gas electrodynamic pump, thus the security incident avoided liquefied petroleum gas directly to contact electrical equipment and produce, also save the energy simultaneously, improve the economic benefit of liquefied petroleum gas.
Accompanying drawing illustrates:
Accompanying drawing is the operating diagram of the present invention.
In figure, each label declaration is as follows:
1, escape pipe check valve, 2, liquefied petroleum gas escape pipe, 3, cold water inlet, 4, electromagnet cut off valve, 5, liquefied petroleum gas supercharger, 6, cool-heat-exchanger, 7, hot water inlet pipe, 8, magnetic force potentiometer, 9, upper relay, 10, add heat pipe, 11, magnetic force buoy, 12, water supply pump, 13, heat-exchanger pump, 14, the next relay, 15, cold water outlet pipe, 16, solar energy hot-water tank, 17, air filling gun, 18, hot water outlet pipe, 19, liquefied petroleum gas air inlet pipe, 20, water cooling pond, 21, air inlet pipe check valve, 22, air accumulator escape pipe, 23, electro connecting pressure gauge, 24, liquefied petroleum gas container, 25, pit.
Detailed description of the invention:
Embodiments of the invention are described in detail in conjunction with accompanying drawing.
The present invention make use of liquefied petroleum gas the principle producing different saturated vapor pressures at different temperature and invents, this invention can be transformed at original liquefied petroleum-gas station, wherein escape pipe check valve, air inlet pipe check valve, electromagnet cut off valve, water supply pump, heat-exchanger pump, solar energy hot-water tank, magnetic force potentiometer, upper relay, the next relay, electro connecting pressure gauge and air filling gun belong to standard component, and the operation principle of above-mentioned standard component is not in narration.
The liquefied petroleum gas container 24 of the present invention belongs to original liquefied petroleum gas container, volume is typically in about 20 to 30 cubes, the general steel plate that water cooling pond 20 adopts thickness to be 4 millimeters manufactures the water tank of each 1 meter of length, width and height, its effect deposits recirculated cooling water exactly, sometimes due to weather is original, water temperature in solar energy hot-water tank 16 does not reach the water temperature of job requirement, now can start and add heat pipe 10, and the water temperature in such cool-heat-exchanger 6 just can reach requirement.
nullFirst when the magnetic force buoy 11 in the magnetic force potentiometer of liquefied petroleum gas supercharger 5 side is lower than the next relay 14，Start water supply pump 12 and inject cold water to cool-heat-exchanger 6，Now liquefied petroleum gas supercharger pressure is gradually lowered，Air inlet pipe check valve 21 automatically opens up and injects liquefied petroleum gas in liquefied petroleum gas supercharger 5，When the magnetic force buoy 11 in the magnetic force potentiometer 8 of side in liquefied petroleum gas supercharger 5 is higher than the next relay 14，Water supply pump 12 quits work，And open the electromagnet cut off valve above cold water outlet pipe，In cool-heat-exchanger the cold water of 6 drain clean after，Close the electromagnet cut off valve above cold water outlet pipe，Simultaneously when the pressure of electro connecting pressure gauge is lower than 0.5MPa，Restart heat-exchanger pump 13 and in cool-heat-exchanger 6, inject hot water，Now the liquefied petroleum gas pressure and temperature in liquefied petroleum gas supercharger 5 is gradually increased and produces saturated vapor pressure，After saturated vapor pressure reaches certain pressure，Liquefied petroleum gas container 24 is entered by the escape pipe check valve 1 above liquefied petroleum gas escape pipe，Now electro connecting pressure gauge 23 pressure above is gradually increased，When pressure reaches the maximum pressure 1.6MPa set，Heat-exchanger pump 13 quits work，Now due to air filling gun constantly outside transportation of liquefied oil gas，So the reduction that the pressure that electro connecting pressure gauge 23 is above is gradually，When magnetic force buoy 11 in the magnetic force potentiometer 8 of liquefied petroleum gas supercharger 5 side is lower than the next relay 14，Start again water supply pump 12 and inject cold water to cool-heat-exchanger 6，Now liquefied petroleum gas supercharger pressure is gradually lowered，Air inlet pipe check valve 21 automatically opens up and injects liquefied petroleum gas in liquefied petroleum gas supercharger 5，The periodic duty so gone round and begun again，Guarantee that the pressure in liquefied petroleum gas container 24 is in the pressure of the 0.5MPa to 1.6MPa of setting all the time，So that it is guaranteed that air filling gun is safe and reliable to additional gas working stability.
In sum, the present invention so there is no unsafe factor that friction consumes and produces owing to friction consumes and the expense of care and maintenance without all kinds of pumps and compressor etc., and the present invention makes full use of heat produced by solar energy, not only reduce the input of equipment, and be substantially reduced operating cost.
Claims (3)
- null1. the method that a liquefied petroleum gas utilizes temperature difference supercharging to be transmitted，It is characterized in that: first when the magnetic force buoy in the magnetic force potentiometer of liquefied petroleum gas supercharger side is lower than the next relay，Start water supply pump and inject cold water to cool-heat-exchanger，Now liquefied petroleum gas supercharger pressure is gradually lowered，Air inlet pipe check valve automatically opens up and injects liquefied petroleum gas in liquefied petroleum gas supercharger，When the magnetic force buoy in the magnetic force potentiometer of side in liquefied petroleum gas supercharger is higher than the next relay，Water supply pump quits work，And open the electromagnet cut off valve above cold water outlet pipe，When the cold water in cool-heat-exchanger being drained after only，Close the electromagnet cut off valve above cold water outlet pipe，Simultaneously when the pressure of electro connecting pressure gauge is lower than 0.5MPa，Restart heat-exchanger pump and in cool-heat-exchanger, inject hot water，Now the liquefied petroleum gas pressure and temperature in liquefied petroleum gas supercharger is gradually increased and produces saturated vapor pressure，After saturated vapor pressure reaches certain pressure，Liquefied petroleum gas container is entered by the escape pipe check valve above liquefied petroleum gas escape pipe，Now the pressure above electro connecting pressure gauge is gradually increased，When pressure reaches the maximum pressure 1.6MPa set，Heat-exchanger pump quits work，Now due to air filling gun constantly outside transportation of liquefied oil gas，So the reduction that pressure above electro connecting pressure gauge is gradually，When magnetic force buoy in the magnetic force potentiometer of liquefied petroleum gas supercharger side is lower than the next relay，Start again water supply pump and inject cold water to cool-heat-exchanger，Now liquefied petroleum gas supercharger pressure is gradually lowered，Air inlet pipe check valve automatically opens up and injects liquefied petroleum gas in liquefied petroleum gas supercharger，The periodic duty so gone round and begun again，Guarantee that the pressure in liquefied petroleum gas container is in the pressure of the 0.5MPa to 1.6MPa of setting all the time，So that it is guaranteed that air filling gun is safe and reliable to additional gas working stability.
- 2. a kind of liquefied petroleum gas according to claim 1 utilizes the method that temperature difference supercharging is transmitted, and it is characterized in that: water supply pump and heat-exchanger pump are automatically controlled by the upper relay of electro connecting pressure gauge and magnetic force potentiometer and the next relay.
- 3. a kind of liquefied petroleum gas according to claim 1 utilizes the method that temperature difference supercharging is transmitted, it is characterized in that: when the magnetic force buoy in the magnetic force potentiometer of above-mentioned liquefied petroleum gas supercharger side is lower than the next relay, start water supply pump and inject cold water to cool-heat-exchanger, when electro connecting pressure gauge is lower than 0.5MPa, when magnetic force buoy in the magnetic force potentiometer of liquefied petroleum gas supercharger side is higher than the next relay simultaneously, start heat-exchanger pump and inject hot water to cool-heat-exchanger, when electro connecting pressure gauge is lower than 1.6MPa, heat-exchanger pump quits work.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610181492.8A CN105782721B (en) | 2016-03-27 | 2016-03-27 | Method for transmitting liquefied petroleum gas by temperature difference pressurization |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610181492.8A CN105782721B (en) | 2016-03-27 | 2016-03-27 | Method for transmitting liquefied petroleum gas by temperature difference pressurization |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105782721A true CN105782721A (en) | 2016-07-20 |
| CN105782721B CN105782721B (en) | 2020-04-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610181492.8A Expired - Fee Related CN105782721B (en) | 2016-03-27 | 2016-03-27 | Method for transmitting liquefied petroleum gas by temperature difference pressurization |
Country Status (1)
| Country | Link |
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| CN (1) | CN105782721B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2068160C1 (en) * | 1995-04-27 | 1996-10-20 | Владимир Анатольевич Бондаренко | Method of and device for controlling gaseous waste of liquified gases |
| CN2247760Y (en) * | 1995-09-04 | 1997-02-19 | 蔡连举 | LPG gasifier |
| CN2280204Y (en) * | 1997-03-14 | 1998-04-29 | 四川省内江石油燃气管道输送有限公司 | Equipment for generating LPG at ambient temp. |
| CN1256384A (en) * | 1998-03-14 | 2000-06-14 | 长沙铁路分局衡阳车辆段液化气铁路槽车检修站 | Recovering method and device for residual gas and liquid in liquefied petroleum gas tank |
| CN2630666Y (en) * | 2003-06-10 | 2004-08-04 | 河南中原绿能高科有限责任公司 | Prizing liquefied natural gas vaporizing apparatus |
| CN101526055A (en) * | 2009-04-15 | 2009-09-09 | 朱婴 | Liquefied natural gas automobile fuel gas self-pressurization gas supply system and technical control |
| CN103615659A (en) * | 2013-11-22 | 2014-03-05 | 江苏现代造船技术有限公司 | Gasification and self-supercharging device for LNG (Liquefied Natural Gas) |
| CN103672394A (en) * | 2013-12-02 | 2014-03-26 | 青岛捷能高新技术有限责任公司 | Pump-free LNG gas-filling system and liquefied natural gas processing method |
-
2016
- 2016-03-27 CN CN201610181492.8A patent/CN105782721B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2068160C1 (en) * | 1995-04-27 | 1996-10-20 | Владимир Анатольевич Бондаренко | Method of and device for controlling gaseous waste of liquified gases |
| CN2247760Y (en) * | 1995-09-04 | 1997-02-19 | 蔡连举 | LPG gasifier |
| CN2280204Y (en) * | 1997-03-14 | 1998-04-29 | 四川省内江石油燃气管道输送有限公司 | Equipment for generating LPG at ambient temp. |
| CN1256384A (en) * | 1998-03-14 | 2000-06-14 | 长沙铁路分局衡阳车辆段液化气铁路槽车检修站 | Recovering method and device for residual gas and liquid in liquefied petroleum gas tank |
| CN2630666Y (en) * | 2003-06-10 | 2004-08-04 | 河南中原绿能高科有限责任公司 | Prizing liquefied natural gas vaporizing apparatus |
| CN101526055A (en) * | 2009-04-15 | 2009-09-09 | 朱婴 | Liquefied natural gas automobile fuel gas self-pressurization gas supply system and technical control |
| CN103615659A (en) * | 2013-11-22 | 2014-03-05 | 江苏现代造船技术有限公司 | Gasification and self-supercharging device for LNG (Liquefied Natural Gas) |
| CN103672394A (en) * | 2013-12-02 | 2014-03-26 | 青岛捷能高新技术有限责任公司 | Pump-free LNG gas-filling system and liquefied natural gas processing method |
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| Publication number | Publication date |
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| CN105782721B (en) | 2020-04-24 |
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Effective date of registration: 20200415 Address after: 264200 No. 416a, unifying Road, Huancui District, Weihai City, Shandong Province Patentee after: Song Xia cluster Address before: 264400, room 12, building 304, hill climbing street, Wendeng District, Shandong, Weihai Patentee before: Shu Li Ju |
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