CN105758113A - Fluctuating inlet heat exchange system and fluctuating inlet heat exchange method - Google Patents
Fluctuating inlet heat exchange system and fluctuating inlet heat exchange method Download PDFInfo
- Publication number
- CN105758113A CN105758113A CN201610124765.5A CN201610124765A CN105758113A CN 105758113 A CN105758113 A CN 105758113A CN 201610124765 A CN201610124765 A CN 201610124765A CN 105758113 A CN105758113 A CN 105758113A
- Authority
- CN
- China
- Prior art keywords
- gas
- fluctuation
- valve
- storage tank
- refrigeration machine
- 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.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 18
- 230000005494 condensation Effects 0.000 claims abstract description 20
- 238000009833 condensation Methods 0.000 claims abstract description 20
- 238000005057 refrigeration Methods 0.000 claims description 38
- 230000001276 controlling effect Effects 0.000 claims description 19
- 239000007788 liquid Substances 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 9
- 230000001105 regulatory effect Effects 0.000 claims description 7
- 230000003068 static effect Effects 0.000 claims description 4
- 238000001816 cooling Methods 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J1/00—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures
- F25J1/02—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures requiring the use of refrigeration, e.g. of helium or hydrogen ; Details and kind of the refrigeration system used; Integration with other units or processes; Controlling aspects of the process
- F25J1/0203—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures requiring the use of refrigeration, e.g. of helium or hydrogen ; Details and kind of the refrigeration system used; Integration with other units or processes; Controlling aspects of the process using a single-component refrigerant [SCR] fluid in a closed vapor compression cycle
- F25J1/0204—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures requiring the use of refrigeration, e.g. of helium or hydrogen ; Details and kind of the refrigeration system used; Integration with other units or processes; Controlling aspects of the process using a single-component refrigerant [SCR] fluid in a closed vapor compression cycle as a single flow SCR cycle
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J1/00—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures
- F25J1/02—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures requiring the use of refrigeration, e.g. of helium or hydrogen ; Details and kind of the refrigeration system used; Integration with other units or processes; Controlling aspects of the process
- F25J1/0243—Start-up or control of the process; Details of the apparatus used; Details of the refrigerant compression system used
- F25J1/0257—Construction and layout of liquefaction equipments, e.g. valves, machines
- F25J1/0269—Arrangement of liquefaction units or equipments fulfilling the same process step, e.g. multiple "trains" concept
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J2290/00—Other details not covered by groups F25J2200/00 - F25J2280/00
- F25J2290/62—Details of storing a fluid in a tank
Abstract
The invention discloses a fluctuating inlet heat exchange system and a fluctuating inlet heat exchange method. The fluctuating inlet heat exchange system comprises a gas storage tank, a first control valve, a refrigerator, a storage tank and a second control valve, wherein the gas storage tank, the first control valve, the refrigerator, the storage tank and the second control valve are connected with each other in turn. The first control valve and the second control valve are dynamically adjusted, so that the flow and the pressure of air flow fluctuate, the condensation heat exchange coefficient is increased and the condensation efficiency is improved.
Description
Technical field
The present invention relates to the condensing heat-exchange field of gas, particularly relate to a kind of fluctuation entrance heat-exchange system and method thereof.
Background technology
Under regular situation, gas density is little, and volume is big, not easily shipping storage, and current shipping storage mode is mainly gas compression or liquefaction, compared to compression gas, gas liquefaction can reach higher energy storage density, and volume is less, and efficiency of storage is higher.
Utilizing the circulation of Gas Refrigerator is the conventional means of the refrigeration of cryogenic gas and liquefaction cycle, and the heat exchange efficiency of the cold end of refrigeration machine is the key factor affecting gas-condensate liquid, and the factor affecting heat exchange includes the coefficient of heat transfer, heat exchange area and mean temperature difference.Generally, the heat exchanger improving the cold end of refrigeration machine is an up the effective means of heat exchange efficiency, but this kind of means are complex, and relatively costly.
Summary of the invention
It is an object of the invention to overcome the deficiency of prior art flow process, it is provided that a kind of fluctuation entrance heat-exchange system and method thereof.
The invention discloses a kind of fluctuation entrance heat-exchange system, including: gas reservoir, the first control valve, refrigeration machine, storage tank, the second control valve；Wherein gas reservoir, the first control valve, refrigeration machine, storage tank, the second control valve are sequentially connected.
According to one preferred embodiment of the present invention, described fluctuation entrance heat-exchange system also includes pump, and the gas outlet of storage tank is connected with pump, and pump is connected with the gas access of gas reservoir.
According to one preferred embodiment of the present invention, described fluctuation entrance heat-exchange system also includes vacuum tank and valve；The gas outlet of described storage tank and pump, vacuum tank, valve are sequentially connected, and valve outlet port is connected with the entrance of refrigeration machine.
The method of the fluctuation entrance heat exchange of system of the present invention, comprises the following steps:
1) gas flows out through gas reservoir, controls the dynamic adjustment of valve by controlling valve and second to first, makes the flow of air-flow, pressure produce fluctuation；
2) fluctuation air-flow enters refrigeration machine condensation, and condensed gas-liquid two-phase material enters storage tank；
3) uncondensed gas in storage tank is discharged by the second control valve.
When the second control valve is normally opened, the first adjustment controlling valve is only capable of regulating the flow of the air-flow entering refrigeration machine.
The method of the fluctuation entrance heat exchange of the preferred embodiment of the present invention, comprises the following steps:
1) gas flows out through gas reservoir, controls the dynamic adjustment of valve by controlling valve and second to first, makes the flow of air-flow, pressure produce fluctuation；
2) fluctuation air-flow enters refrigeration machine condensation, and condensed gas-liquid two-phase material enters storage tank；
3) uncondensed gas in storage tank by the second control valve and is pumped back to storage tank.
The method of the fluctuation entrance heat exchange of another preferred embodiment of the present invention, comprises the following steps:
1) gas flows out through gas reservoir, controls the dynamic adjustment of valve by controlling valve and second to first, makes the flow of air-flow, pressure produce fluctuation；
2) fluctuation air-flow enters refrigeration machine condensation, and condensed gas-liquid two-phase material enters storage tank；
3) uncondensed gas in storage tank is again introduced into refrigeration machine condensation by the second control valve, pump, vacuum tank, valve.
The static adjustment of valve is controlled, it is possible to the pressure of the gas condensation that controls to be in refrigeration machine and flow by controlling valve and second to first.
The present invention adds two control valves in traditional gas condensation heat exchange system, by the dynamic adjustment controlling valve, making the flow of the air-flow of entrance refrigeration machine, pressure produce fluctuation, improve cooling energy recovery, improve condensation efficiency.
Accompanying drawing explanation
Fig. 1 is fluctuation entrance heat-exchange system structural representation；
Fig. 2 be with gas reservoir be vacuum tank containing the fluctuation entrance heat-exchange system structural representation condensing loop again；
Fig. 3 is the fluctuation entrance heat-exchange system structural representation condensing loop again containing vacuum tank；
In figure, gas reservoir (1), the first control valve (2.1), refrigeration machine (3), storage tank (4), the second control valve (2.2), pump (5), vacuum tank (6), valve (7).
Detailed description of the invention
Below in conjunction with Figure of description, the invention will be further described,
As it is shown in figure 1, the invention discloses a kind of fluctuation entrance heat-exchange system, including: gas reservoir (1), the first control valve 2.1, refrigeration machine 3, storage tank 4, second control valve 2.2；Wherein gas reservoir the 1, first control valve 2.1, refrigeration machine 3, storage tank 4, second control valve 2.2 and are sequentially connected.
The method of the fluctuation entrance heat exchange of system of the present invention, comprises the following steps:
1) gas flows out through gas reservoir 1, controls dynamically regulating of valve 2.2 by controlling valve 2.1 and second to first, makes the flow of gas, pressure produce fluctuation；
2) fluctuation air-flow entrance refrigeration machine 3 condenses, and condensed gas-liquid two-phase material enters storage tank 4；
3) uncondensed gas in storage tank 4 is discharged by the second control valve 2.2.
When the second control valve 2.2 is normally opened, the first adjustment controlling valve 2.1 is only capable of regulating the flow of the air-flow entering refrigeration machine 3.
As in figure 2 it is shown, according to one preferred embodiment of the present invention, described fluctuation entrance heat-exchange system also includes pump 5, and the gas outlet of storage tank 4 is connected with pump 5, and pump 5 is connected with the gas access of gas reservoir 1.
The method of the fluctuation entrance heat exchange of the preferred embodiment of the present invention, comprises the following steps:
1) gas flows out through gas reservoir 1, controls dynamically regulating of valve 2.2 by controlling valve 2.1 and second to first, makes the flow of air-flow, pressure produce fluctuation；
2) fluctuation air-flow entrance refrigeration machine 3 condenses, and condensed gas-liquid two-phase material enters storage tank 4；
3) uncondensed gas in storage tank 4 returns to storage tank 1 by the second control valve 2.2 and pump 5.
As it is shown on figure 3, according to one preferred embodiment of the present invention, described fluctuation entrance heat-exchange system also includes vacuum tank 6 and valve 7；The gas outlet of described storage tank 4 and pump 5, vacuum tank 6, valve 7 are sequentially connected, and the entrance that valve 7 exports with refrigeration machine 3 is connected.
The method of the fluctuation entrance heat exchange of described fluctuation entrance heat-exchange system, comprises the following steps:
1) gas flows out through gas reservoir 1, controls dynamically regulating of valve 2.2 by controlling valve 2.1 and second to first, makes the flow of air-flow, pressure produce fluctuation；
2) fluctuation air-flow entrance refrigeration machine 3 condenses, and condensed gas-liquid two-phase material enters storage tank 4；
3) uncondensed gas in storage tank 4 is again introduced into refrigeration machine condensation by the second control valve 2.2, pump 5, vacuum tank 6, valve 7.
The static adjustment of valve 2.2 is controlled, it is possible to the pressure of the gas condensation that controls to be in refrigeration machine and flow by controlling valve 2.1 and second to first.
The work process of the present invention is as follows:
Gas in gas reservoir flows out from gas outlet, by the dynamic adjustment in system two control valves, the flow of gas in pipeline, pressure is made to produce fluctuation, to improve cooling energy recovery, the air-flow of fluctuation flows into refrigeration machine condensation, condensed fluid storage in storage tank, uncooled gas let-down vessel.When the second control valve is normally opened, the first adjustment controlling valve is only capable of regulating the flow of the air-flow entering refrigeration machine.Meanwhile, uncooled gas can also pass through to be pumped back among gas reservoir, reenters condensing circuit, it is also possible to after pump and vacuum tank voltage stabilizing, be directly entered refrigeration machine and again condense.Can also by the pressure of the condensation that is in refrigeration machine to the static regulable control of two control valves gas and flow in condensation heat exchange system.
The present invention adds two control valves in traditional gas condensation heat exchange system, by the dynamic adjustment controlling valve, making the flow of the air-flow of entrance refrigeration machine, pressure produce fluctuation, improve cooling energy recovery, improve condensation efficiency.
Claims (8)
1. a fluctuation entrance heat-exchange system, its feature includes: gas reservoir (1), the first control valve (2.1), refrigeration machine (3), storage tank (4), the second control valve (2.2)；Wherein gas reservoir (1), the first control valve (2.1), refrigeration machine (3), storage tank (4), the second control valve (2.2) are sequentially connected.
2. a kind of fluctuation entrance heat-exchange system according to claim 1, characterized by further comprising pump (5), the gas outlet of storage tank (4) is connected with pump (5), and pump (5) is connected with the gas access of gas reservoir (1).
3. a kind of fluctuation entrance heat-exchange system according to claim 1 and 2, it is characterised in that also include vacuum tank (6) and valve (7)；The gas outlet of described storage tank (4) and pump (5), vacuum tank (6), valve (7) are sequentially connected, and valve (7) outlet is connected with the entrance of refrigeration machine (3).
4. the method for the fluctuation entrance heat exchange of system according to claim 1, it is characterised in that comprise the following steps:
1) gas flows out through gas reservoir (1), controls the dynamic adjustment of valve (2.2) by controlling valve (2.1) and second to first, makes the flow of air-flow, pressure produce fluctuation；
2) fluctuation air-flow enters refrigeration machine (3) condensation, and condensed gas-liquid two-phase material enters storage tank (4)；
3) uncondensed gas in storage tank (4) is discharged by the second control valve (2.2).
5. the method for the fluctuation entrance heat exchange of system according to claim 2, it is characterised in that comprise the following steps:
1) gas flows out through gas reservoir (1), controls the dynamic adjustment of valve (2.2) by controlling valve (2.1) and second to first, makes the flowing of gas produce fluctuation；
2) fluctuation air-flow enters refrigeration machine (3) condensation, and condensed gas-liquid two-phase material enters storage tank (4)；
3) uncondensed gas in storage tank (4) returns to storage tank (1) by the second control valve (2.2) and pump (5).
6. the method for the fluctuation entrance heat exchange of system according to claim 3, it is characterised in that comprise the following steps:
1) gas flows out through gas reservoir (1), controls the dynamic adjustment of valve (2.2) by controlling valve (2.1) and second to first, makes the flowing of gas produce fluctuation；
2) fluctuation air-flow enters refrigeration machine (3) condensation, and condensed gas-liquid two-phase material enters storage tank (4)；
3) uncondensed gas in storage tank (4) is again introduced into refrigeration machine condensation by the second control valve (2.2), pump (5), vacuum tank (6), valve (7).
7. the method for the fluctuation entrance heat exchange according to any one of claim 4,5,6, it is characterized in that controlling the static adjustment of valve (2.2) by controlling valve (2.1) and second to first, it is possible to pressure that the gas that controls to be in refrigeration machine condenses and flow.
8. the method for fluctuation entrance heat exchange according to claim 4, it is characterized in that when the second control valve (2.2) is normally opened, being only capable of regulating the flow of the air-flow entering refrigeration machine (3) to the first adjustment controlling valve (2.1), refrigeration machine (3) is at atmospheric pressure operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610124765.5A CN105758113A (en) | 2016-03-04 | 2016-03-04 | Fluctuating inlet heat exchange system and fluctuating inlet heat exchange method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610124765.5A CN105758113A (en) | 2016-03-04 | 2016-03-04 | Fluctuating inlet heat exchange system and fluctuating inlet heat exchange method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105758113A true CN105758113A (en) | 2016-07-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610124765.5A Pending CN105758113A (en) | 2016-03-04 | 2016-03-04 | Fluctuating inlet heat exchange system and fluctuating inlet heat exchange method |
Country Status (1)
| Country | Link |
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| CN (1) | CN105758113A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111344528A (en) * | 2017-11-21 | 2020-06-26 | 乔治洛德方法研究和开发液化空气有限公司 | BOG recondenser and LNG supply system provided with same |
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| US6269656B1 (en) * | 1998-09-18 | 2001-08-07 | Richard P. Johnston | Method and apparatus for producing liquified natural gas |
| CN101008545A (en) * | 2007-01-24 | 2007-08-01 | 河南中原绿能高科有限责任公司 | Novel second-order mixed refrigeration process used for natural gas liquefaction |
| CN101052852A (en) * | 2004-07-16 | 2007-10-10 | 斯塔托伊尔公司 | Method and device for liquifiing carbon dioxide |
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| CN101608859A (en) * | 2008-06-20 | 2009-12-23 | 杭州福斯达实业集团有限公司 | Method for liquefying high-low pressure nitrogen double-expansion natural gas |
| WO2010128466A2 (en) * | 2009-05-08 | 2010-11-11 | Corac Group Plc | Production and distribution of natural gas |
| CN101893367A (en) * | 2010-08-13 | 2010-11-24 | 唐建峰 | Method for liquefying natural gas by using mixed coolant |
| CN205403226U (en) * | 2016-03-04 | 2016-07-27 | 浙江大学常州工业技术研究院 | Undulant entry heat transfer system |
-
2016
- 2016-03-04 CN CN201610124765.5A patent/CN105758113A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| NL134079C (en) * | 1963-02-04 | |||
| US6269656B1 (en) * | 1998-09-18 | 2001-08-07 | Richard P. Johnston | Method and apparatus for producing liquified natural gas |
| EP1118827A1 (en) * | 2000-01-19 | 2001-07-25 | Institut Francais Du Petrole | Partial liquifaction process for a hydrocarbon-rich fraction such as natural gas |
| CN101052852A (en) * | 2004-07-16 | 2007-10-10 | 斯塔托伊尔公司 | Method and device for liquifiing carbon dioxide |
| CN101008545A (en) * | 2007-01-24 | 2007-08-01 | 河南中原绿能高科有限责任公司 | Novel second-order mixed refrigeration process used for natural gas liquefaction |
| CN101608859A (en) * | 2008-06-20 | 2009-12-23 | 杭州福斯达实业集团有限公司 | Method for liquefying high-low pressure nitrogen double-expansion natural gas |
| CN101413749A (en) * | 2008-11-20 | 2009-04-22 | 成都赛普瑞兴科技有限公司 | Method and apparatus for single-stage mixing cryogen refrigerating cycle liquefied natural gas |
| WO2010128466A2 (en) * | 2009-05-08 | 2010-11-11 | Corac Group Plc | Production and distribution of natural gas |
| CN101893367A (en) * | 2010-08-13 | 2010-11-24 | 唐建峰 | Method for liquefying natural gas by using mixed coolant |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111344528A (en) * | 2017-11-21 | 2020-06-26 | 乔治洛德方法研究和开发液化空气有限公司 | BOG recondenser and LNG supply system provided with same |
| CN111344528B (en) * | 2017-11-21 | 2022-02-01 | 乔治洛德方法研究和开发液化空气有限公司 | BOG recondenser and LNG supply system provided with same |
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| PB01 | Publication | ||
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Application publication date: 20160713 |