CN202381273U - Mobile energy supply device based on compressed natural gas - Google Patents
Mobile energy supply device based on compressed natural gas Download PDFInfo
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- CN202381273U CN202381273U CN 201120574545 CN201120574545U CN202381273U CN 202381273 U CN202381273 U CN 202381273U CN 201120574545 CN201120574545 CN 201120574545 CN 201120574545 U CN201120574545 U CN 201120574545U CN 202381273 U CN202381273 U CN 202381273U
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- heat exchanger
- exchanger channels
- swell refrigeration
- natural gas
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Abstract
The utility model provides a mobile energy supply device based on compressed natural gas, which comprises a compressed natural gas (CNG) storage tank group, turbomachines, a condenser, a combined generator unit and a traction shaft (32), wherein the CNG storage tank group is provided with a natural gas outlet for outgoing of the CNG stored in the CNG storage tank group, the turbomachines are provided with expansion refrigerating inlets which are communicated with the natural gas outlet and expansion refrigerating outlets for the outgoing of natural gas which is subjected to expansion refrigerating of the turbomachines, the condenser is provided with a first heat exchanging channel and a second heat exchanging channel, the natural gas after being subjected to expansion refrigerating flows through the first heat exchanging channel, organic working fluids which release heat to the natural gas in the first heat exchanging channel flow through the second heat exchanging channel, an inlet of the first heat exchanging channel is communicated with the expansion refrigerating outlets, the traction shaft (32) converts the work done by the expansion refrigerating into a driving force and transmits the driving force to the combined generator unit, and the traction shaft (32) is connected between the combined generator unit and a first turbomachine (2). The mobile energy supply device based on the compressed natural gas is high in energy source utilization ratio.
Description
Technical field
The utility model relates to a kind of portable energy supply equipment based on compressed natural gas.
Background technique
The cold energy of conventional CNG (compressed natural gas) voltage regulating station not only is not utilized; And NG (rock gas) in order to obtain meeting direct entering pipe network; After the CNG decompression heater need be set NG is heated to about 10 ℃, the employed fuel of heater generally is exactly pipeline gas.Cause like this: the pressure of (1) CNG can be wasted; (2) cold energy of CNG decompression generation is not utilized.As shown in Figure 1, the CNG in the CNG gas holder group 1 directly imports in the pressure governor 22 through pressure governor CNG entrance point 23, after the CNG throttling expansion decompression of 22 pairs of inputs of pressure governor, from the gas outlet end 24 input gas ductworks of pressure governor 22.The existing technology scheme do not utilize CNG pressure can and expansion acting process in the cold energy that produces, cause efficiency of energy utilization low.
The model utility content
To the problem that exists in the correlation technique, the purpose of the utility model is to provide a kind of portable energy supply equipment based on compressed natural gas, to improve efficiency of energy utilization.
Be to realize above-mentioned purpose, the utility model provides a kind of portable energy supply equipment based on compressed natural gas, and it comprises: CNG gas holder group has the gas outlet of the compressed natural gas output that confession wherein stores; First turbine engine has the swell refrigeration inlet that is communicated with gas outlet, the swell refrigeration outlet that supplies the rock gas output behind the first turbine engine swell refrigeration; Condenser, second heat exchanger channels that the organic working medium that have first heat exchanger channels that supplies the natural gas flow warp behind the swell refrigeration, feeds to rock gas heat release in first heat exchanger channels is flowed through, the inlet of first heat exchanger channels exports with swell refrigeration and is communicated with; And cogeneration unit and said swell refrigeration institute work is transferred to the axis of traction of this cogeneration unit as driving force; Axis of traction is connected between the cogeneration unit and first turbine engine, that is: said cogeneration unit is to utilize the swell refrigeration institute work of rock gas in said first turbine engine to generate electricity.
Preferably, the outlet of first heat exchanger channels of condenser is communicated with gas ductwork.
Preferably, on the cogeneration unit, also be connected with power transmission line with the electric power output that produces.
Preferably, the utility model equipment also comprises: second heat exchanger channels to condenser provides second turbine engine through the organic working medium of swell refrigeration, has swell refrigeration inlet and swell refrigeration outlet, and the swell refrigeration outlet is communicated with the inlet of second heat exchanger channels; Compression pump to the organic working medium of exporting after the heat release in second heat exchanger channels is pressurizeed has pump intake and pump discharge, and pump intake is communicated with the outlet of second heat exchanger channels; Vaporizer; The 4th heat exchanger channels that the freezing liquid that have the 3rd heat exchanger channels that supplies the organic working medium after the compression pump pressurization to flow through, feeds to organic working medium heat release in the 3rd heat exchanger channels is flowed through; Wherein, The inlet of the 3rd heat exchanger channels is communicated with pump discharge, and the outlet of the 3rd heat exchanger channels is communicated with the swell refrigeration inlet.
Preferably, the utility model equipment also comprises: organic working medium swell refrigeration institute work output in second turbine engine is connected between second turbine engine and the cogeneration unit with another axis of traction of traction cogeneration unit.
Preferably, the utility model equipment also comprises: the ice-reserving case, have first heat exchanging pipe, and first heat exchanging pipe is communicated with the 4th heat exchanger channels of vaporizer and forms the freezing liquid circulation loop; Wherein also has the refrigerant pipeline in the ice-reserving case, the outlet end that the refrigerant after this refrigerant pipeline has the entry end of the refrigerant inflow that feeds to freezing liquid heat release in first heat exchanging pipe and supplies heat release flows out.
Preferably, organic working medium is a propylene.
Compared with prior art, the beneficial effect of the utility model is: first turbine engine of the utility model and cogeneration unit can be recycled the pressure of CNG; Through the organic working medium circulatory system that second turbine engine, condenser, compression pump, vaporizer are formed, utilize the cold energy of the CNG behind the first turbine engine swell refrigeration to make this organic working medium swell refrigeration institute work generating; Through forming the ice-reserving case of the freezing liquid circulatory system and the refrigerant pipeline in the ice-reserving case with said vaporizer, the cold energy of the CNG behind the first turbine engine swell refrigeration is reclaimed, and with the cold energy output of reclaiming.Thereby the utility model reaches the operational efficiency of raising CNG and the purpose of cold energy comprehensive utilization, and correspondingly the utility model equipment has higher energy utilization efficiency.
Description of drawings
Fig. 1 is conventional CNG tank car equipment schematic representation;
Fig. 2 is the schematic representation of the utility model.
Among Fig. 1 and Fig. 2:
1 CNG gas holder group
2 first turbine engines
3 cogeneration units
4 second turbine engines
5 condensers
6 compression pumps
7 propylene vaporizers
8 ice-reserving casees
9 CNG decompressor inlet pipe roads
10 NG decompressors go out pipeline
11 NG go out pipeline
12 power transmission lines
13 second turbine engines go out pipeline
14 condensers go out pipeline
Pipeline is pumped in 15 pressurizations
16 second turbine engines are gone into pipeline
17 ice-reserving case freezing liquids go out pipeline
18 ice-reserving case freezing liquids are gone into pipeline
19 ice-reserving case outer circulation refrigerant entry ends
20 ice-reserving case outer circulation refrigerant exit ends
22 pressure governors
23 pressure governor CNG entrance points
24 pressure governor NG outlet end
Embodiment
The utility model comprises following examples but is not limited to following examples.Below in conjunction with accompanying drawing the utility model technological scheme is specifically described.
Describe the portable energy supply equipment based on compressed natural gas of the utility model referring to Fig. 2, it comprises: CNG gas holder group 1 has the gas outlet of the compressed natural gas output that confession wherein stores; First turbine engine 2 has the swell refrigeration inlet that is communicated with gas outlet, the swell refrigeration outlet that supplies the rock gas output behind first turbine engine, 2 swell refrigerations; Condenser 5, second heat exchanger channels that the organic working medium that have first heat exchanger channels that supplies the natural gas flow warp behind the swell refrigeration, feeds to rock gas heat release in first heat exchanger channels is flowed through, the inlet of first heat exchanger channels exports with swell refrigeration and is communicated with; The cogeneration unit 3 that utilizes the swell refrigeration institute work of rock gas in first turbine engine 2 to generate electricity; By the axis of traction 32 of swell refrigeration institute work as the driving force output that drives generator set 3 drawn; That is: the energy supply equipment of the utility model also comprises axis of traction 32; It is connected between the cogeneration unit 3 and first turbine engine 2, in order to swell refrigeration institute work is transferred to cogeneration unit 3 as driving force, to drive generator set 3 generatings.Shown in Fig. 2, the outlet of first heat exchanger channels of condenser 5 is communicated with gas ductwork.On cogeneration unit 3, also be connected with power transmission line 12 with the electric power output that produces.The utility model can be recycled the pressure of CNG with cogeneration unit 3 through first turbine engine 2, to be used for generating.
Continuation is referring to Fig. 2, and the utility model equipment also comprises: second turbine engine 4, compression pump 6, vaporizer 7.Second turbine engine 4 provides the organic working medium through swell refrigeration to second heat exchanger channels of condenser 5, and second turbine engine 4 has swell refrigeration inlet and swell refrigeration outlet, and the swell refrigeration outlet is communicated with the inlet of second heat exchanger channels of condenser 5.The organic working medium pressurization that 6 pairs of compression pumps are exported after the heat release in second heat exchanger channels of condenser 5, compression pump 6 has pump intake and pump discharge, and pump intake is communicated with the outlet of second heat exchanger channels of condenser 5.The organic working medium endothermic gasification that vaporizer 7 makes compression pump 6 outputs; The 4th heat exchanger channels that the freezing liquid that it has the 3rd heat exchanger channels that supplies the organic working medium after compression pump 6 pressurizations to flow through, feed to organic working medium heat release in the 3rd heat exchanger channels is flowed through; The inlet of the 3rd heat exchanger channels is communicated with the pump discharge of compression pump 6, and the outlet of the 3rd heat exchanger channels is communicated with the swell refrigeration inlet of second turbine engine 4.Fig. 2 also shows: organic working medium swell refrigeration institute work output in second turbine engine 4 is connected between second turbine engine and the said cogeneration unit with another axis of traction 34 of traction cogeneration unit 3.Thereby the organic working medium circulatory system that the utility model is formed through second turbine engine 4, condenser 5, compression pump 6, vaporizer 7 utilizes the cold energy of the CNG behind the first turbine engine swell refrigeration to make this organic working medium swell refrigeration institute work generating.
Continuation is referring to Fig. 2, and the utility model equipment also comprises: have the refrigerant pipeline in ice-reserving case 8, the ice-reserving case 8.Ice-reserving case 8 has first heat exchanging pipe, and this first heat exchanging pipe is communicated with the 4th heat exchanger channels of aforementioned vaporizer 7 to form freezing liquid circulation loop, the heat release when flowing through vaporizer of this freezing liquid.Described refrigerant pipeline has entry end 19, outlet end 20, in first heat exchanging pipe refrigerant of freezing liquid heat release through entry end 19 flow into, refrigerant after the freezing liquid heat release flows out through outlet end 20.Thereby through forming the ice-reserving case 8 of the freezing liquid circulatory system and the refrigerant pipeline in the ice-reserving case, the cold energy of the CNG behind first turbine engine, 2 swell refrigerations is reclaimed, and with the cold energy output of reclaiming with vaporizer.Preferably, organic working medium is a propylene in the utility model, and correspondingly, first turbine engine is that propylene turbine engine, compression pump are that propylene compression pump, vaporizer are the propylene vaporizer.
Below referring to Fig. 2 the technological process of the utility model is described: the CNG in the CNG gas holder group 1 gets into first turbine engine, 2 swell refrigerations institute work through CNG decompressor inlet pipe road 9; The 3 acting generatings of first turbine engine, 2 traction cogeneration units, and pass through power transmission line 12 and externally export.Low temperature NG after the swell refrigeration institute work goes out pipeline 10 through the NG decompressor and gets into condenser 5, rises with temperature after the heat exchange of circulation organic working medium, and goes out directly entering gas ductwork of pipeline 11 through NG.The circulation organic working medium is condensed into liquid state after going out pipeline 13 entering condensers 5 through second turbine engine; It is pressurized to go out pipeline 14 entering compression pumps 6 backs through condenser; Pump pipeline 15 through pressurization subsequently and get into vaporizers 7, and vaporize after the heat exchange of interior circulation refrigerant, go into pipeline 16 through second turbine engine and get into second turbine engine, 4 swell refrigerations institute work; Second turbine engine 4 adopts coaxial technology also to draw the 3 acting generatings of cogeneration unit, accomplishes the organic working medium power generation cycle.Interior circulation refrigerant flows out from ice-reserving case 8, goes out pipeline 17 through ice-reserving case freezing liquid and gets into vaporizer 7, and the cooling back is gone into pipeline 18 through ice-reserving case freezing liquid and returned ice-reserving case 8.The outer circulation refrigerant medium is got cold back and outside ice-reserving case outer circulation refrigerant exit end 20, is failed from ice-reserving case outer circulation refrigerant entry end 19.
Referring to the utility model shown in Fig. 2, be example with 220 standard atmospheric pressures, 20 ℃, the CNG of 2140kg/h, the pressure that first turbine engine 2 produces can be that the pressure that 161.5kw, second turbine engine 4 produce can be that the cold energy that 40kw, vaporizer 7 produce is 203kw.
To sum up, the utility model adopts the work generating of CNG swell refrigeration institute, promptly through first turbine engine and cogeneration unit the pressure of CNG can be recycled, to be used for generating; Behind the CNG swell refrigeration, its cold energy through the work generating of low temperature organic working medium swell refrigeration institute, deposits ice bank in through interior circulation refrigerant then, and is externally supplied by the outer circulation refrigerant earlier.Thereby the utility model reaches the operational efficiency of raising CNG and the purpose of cold energy comprehensive utilization, and correspondingly the utility model equipment has higher energy utilization efficiency.
The preferred embodiment that the above is merely the utility model is not limited to the utility model, and for a person skilled in the art, the utility model can have various changes and variation.All within the spirit and principle of the utility model, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection domain of the utility model.
Claims (5)
1. the portable energy supply equipment based on compressed natural gas is characterized in that, comprising:
CNG gas holder group (1) has the gas outlet of the compressed natural gas output that confession wherein stores;
First turbine engine (2) has the swell refrigeration inlet that is communicated with said gas outlet, the swell refrigeration outlet that supplies the rock gas output behind said first turbine engine (2) swell refrigeration;
Condenser (5); Second heat exchanger channels that the organic working medium that have first heat exchanger channels that supplies the natural gas flow warp behind the said swell refrigeration, feeds to rock gas heat release in said first heat exchanger channels is flowed through, the inlet of said first heat exchanger channels exports with said swell refrigeration and is communicated with; And
Cogeneration unit (3) and said swell refrigeration institute work is transferred to the axis of traction (32) of said cogeneration unit (3) as driving force, said axis of traction (32) is connected between said cogeneration unit (3) and said first turbine engine (2).
2. energy supply equipment according to claim 1 is characterized in that, on said cogeneration unit (3), also is connected with the power transmission line (12) with the electric power output that produces.
3. according to each described energy supply equipment among the claim 1-2, it is characterized in that, also comprise:
Second heat exchanger channels to said condenser (5) provides second turbine engine (4) through the organic working medium of swell refrigeration, has swell refrigeration inlet and swell refrigeration outlet, and said swell refrigeration outlet is communicated with the inlet of said second heat exchanger channels;
Compression pump (6) to the organic working medium of exporting after the heat release in said second heat exchanger channels is pressurizeed has pump intake and pump discharge, and said pump intake is communicated with the outlet of said second heat exchanger channels; And
Vaporizer (7); The 4th heat exchanger channels that the freezing liquid that have the 3rd heat exchanger channels that supplies the organic working medium after said compression pump (6) pressurization to flow through, feeds to organic working medium heat release in said the 3rd heat exchanger channels is flowed through; Wherein, The inlet of said the 3rd heat exchanger channels is communicated with said pump discharge, and the outlet of said the 3rd heat exchanger channels is communicated with said swell refrigeration inlet.
4. energy supply equipment according to claim 3 is characterized in that, also comprises:
Organic working medium swell refrigeration institute work output in said second turbine engine (4) is connected between said second turbine engine and the said cogeneration unit to draw another axis of traction (34) of said cogeneration unit (3).
5. energy supply equipment according to claim 4 is characterized in that, also comprises:
Ice-reserving case (8) has first heat exchanging pipe, and said first heat exchanging pipe is communicated with the 4th heat exchanger channels of said vaporizer (7) and forms the freezing liquid circulation loop;
Wherein, also has the refrigerant pipeline in the said ice-reserving case (8), the outlet end (20) that the refrigerant after this refrigerant pipeline has the entry end (19) of the refrigerant inflow that feeds to freezing liquid heat release in said first heat exchanging pipe and supplies heat release flows out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120574545 CN202381273U (en) | 2011-12-31 | 2011-12-31 | Mobile energy supply device based on compressed natural gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120574545 CN202381273U (en) | 2011-12-31 | 2011-12-31 | Mobile energy supply device based on compressed natural gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202381273U true CN202381273U (en) | 2012-08-15 |
Family
ID=46629782
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120574545 Expired - Lifetime CN202381273U (en) | 2011-12-31 | 2011-12-31 | Mobile energy supply device based on compressed natural gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202381273U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103184987A (en) * | 2011-12-31 | 2013-07-03 | 新奥科技发展有限公司 | Mobile energy supply equipment based on compressed natural gas |
| CN104534281A (en) * | 2014-11-24 | 2015-04-22 | 浙江理工大学 | Energy recovery type gas pressure regulating and metering device |
-
2011
- 2011-12-31 CN CN 201120574545 patent/CN202381273U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103184987A (en) * | 2011-12-31 | 2013-07-03 | 新奥科技发展有限公司 | Mobile energy supply equipment based on compressed natural gas |
| CN103184987B (en) * | 2011-12-31 | 2016-09-28 | 新奥科技发展有限公司 | Portable energy supply equipment based on compressed natural gas |
| CN104534281A (en) * | 2014-11-24 | 2015-04-22 | 浙江理工大学 | Energy recovery type gas pressure regulating and metering device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: XIN'AO (CHINA) GAS INVESTMENT CO., LTD. Free format text: FORMER OWNER: XINAO SCIENCE AND TECHNOLOGY DEVELOPMENT CO., LTD. Effective date: 20141210 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 065001 LANGFANG, HEBEI PROVINCE TO: 100000 XICHENG, BEIJING |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20141210 Address after: 100000 Xicheng District, Beijing, Jin Fang street, No. 26, the office of the Austrian Olympic Center C block 501-2 Patentee after: New Austrian (China) Gas Investment Co., Ltd. Address before: Langfang City, Hebei province Guangyang road 065001 North Zone Patentee before: ENN SCIENCE & TECHNOLOGY DEVELOPMENT Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120815 |