CN104776638A - Total energy system combining chemical heat pump type fuel conversion with gas heat pump - Google Patents
Total energy system combining chemical heat pump type fuel conversion with gas heat pump Download PDFInfo
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- CN104776638A CN104776638A CN201510160087.3A CN201510160087A CN104776638A CN 104776638 A CN104776638 A CN 104776638A CN 201510160087 A CN201510160087 A CN 201510160087A CN 104776638 A CN104776638 A CN 104776638A
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- heat
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- gas
- working medium
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Classifications
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- 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
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B30/00—Heat pumps
- F25B30/02—Heat pumps of the compression type
-
- 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
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B27/00—Machines, plants or systems, using particular sources of energy
Abstract
The invention relates to a total energy system combining chemical heat pump type fuel conversion with a gas heat pump. The total energy system comprises a fuel converter, a gas purifier, a gas engine, a chemical working medium boosting and heating device, a chemical working medium catcher, a physical working medium compressor, a physical working medium condenser, a throttling valve and a physical working medium evaporator. According to the total energy system, a chemical heat pump with high efficiency is combined with a heat pump with high heat efficiency, and the residual heat of flue gas is recovered, so that the energy utilization efficiency of the total energy system can be increased; fossil energy (coal or natural gas) can be converted into secondary clean energy at a medium temperature by means of chemical heat pump fuel conversion; carbon dioxide in flue gas is utilized as a heat transfer circulating working medium and a chemical reaction working medium, so that the emission of carbon dioxide is reduced, and the catching difficulty and cost of carbon dioxide are lowered.
Description
Technical field:
The present invention relates to the technology that energy conversion utilizes, particularly a kind of chemical working that utilizes carries out gasifying-the supply system that combines with the heat pump utilizing physics working medium to carry out evaporation-condensation cycle of the chemical heat pump of combustion reaction circulation.
Background technology:
The burn application process of the fossil energies such as natural gas, oil and coal provides the energy for the mankind, also many pollutions are caused, consume many non-renewable energy resources simultaneously, cause the reserve-production ratio only many decades of fossil energy, soon future will there will be the problem of fossil energy exhaustion, and the direct burning severe contamination of a large amount of primary energy environment, for this reason, a lot of expert proposes and has carried out the research that primary energy fuel is converted into secondary energy sources, and wherein a part is applied to industrial production.
But traditional fuel conversion process is the process of entropy increase due to burning and the process of heat energy transmission, for
the raising of efficiency is limited, and utilizes chemical heat pump type converting fuel to improve
efficiency.The thermal efficiency of heat pump very high but
efficiency is lower, in order to further raising
efficiency and the thermal efficiency, the present invention proposes to utilize chemical working (carbon dioxide or water vapour) and primary energy (coal or natural gas) to carry out transforming-the supply system that combines with the heat pump utilizing physics working medium to carry out coagulating circulation against Kano of the chemical heat pump of burn cycle.
Summary of the invention:
The object of the invention is to utilize lower problem for current energy conversion process total energy, and the supply system that a kind of chemical heat pump type converting fuel proposed is combined with gas-fired heat pump.
Technical scheme of the present invention is achieved in that
The supply system that chemical heat pump type converting fuel is combined with gas-fired heat pump, comprises fuel converter, gas purifier, gas engine, chemical working boosting heating device, chemical working trap, physics Alternative Refrigerant Compressors, physics working fluid condenses device, choke valve, physics working medium evaporimeter; Described fuel converter comprises conversion zone, heat pipe heat-absorbing section and heat pipe, and described conversion zone and heat pipe heat-absorbing section are integrated by the dividing plate group of centre, nested many heat pipes on dividing plate; Described conversion zone top is provided with thick gas outlet pipe, is connected with gas purifier import; The gas outlet pipe of described gas purifier is connected with the inlet tube of gas engine; Described gas engine relies on backgear or belt to be connected with physics Alternative Refrigerant Compressors; The smoke discharge tube of described gas engine is connected with the flue gas inlet tube of fuel converter heat pipe heat-absorbing section; Described heat pipe heat-absorbing section bottom is provided with heat source medium inlet tube, and the boost flue gas inlet tube of heating device of smoke discharge tube and the chemical working of heat pipe heat-absorbing section is connected; Described chemical working boosting heating device heat source medium is connected with chemical working trap flue gas inlet tube with the outlet of flue gas; The boost working medium side inlet tube of heating device of the liquid refrigerant outlet that described chemical working trap reclaims and chemical working is connected, gaseous state low-temperature heat source medium and flue gas emptying; The chemical working boosting working medium side outlet of heating device is connected with the gaseous working medium inlet tube of fuel converter conversion zone; Described physics working medium evaporimeter working medium side outlet is connected with physics Alternative Refrigerant Compressors inlet tube; Described physics Alternative Refrigerant Compressors outlet is connected with physics working fluid condenses device working medium side inlet tube; Described physics working fluid condenses device working medium side outlet is connected with physics working medium evaporimeter working medium side inlet tube by choke valve; The non-working medium side of described physics working fluid condenses device is connected with heating agent or heat sink medium; The non-working medium side of described physics working medium evaporimeter is connected with refrigerant or heat source medium.
The process that a kind of supply system be combined with gas-fired heat pump by above-mentioned chemical heat pump type converting fuel realizes:
The primary energy entering fuel converter conversion zone and the chemical working entering conversion zone carry out conversion reaction, reaction institute calorific requirement is sent to conversion zone by heat pipe, the heat of heat pipe absorbs heat source medium by heat pipe heat-absorbing section and provides from the heat of the high-temperature flue gas of gas engine, after the thick combustion gas that in conversion zone, primary energy conversion generates enters gas purifier purification, as the fuel of gas engine; Gas engine-driven physics Alternative Refrigerant Compressors, deliver in physics working fluid condenses device after the low-pressure gaseous physics working medium pressurization that physics working medium evaporimeter is come and be condensed into liquid refrigerant, working fluid condenses liberated heat passes to heating agent or heat sink medium, heating agent after intensification is used as heating reservoir winter, liquid refrigerant enters in physics working medium evaporimeter after choke valve decompression, the cryogenic gaseous working medium of physics working medium evaporator outlet enters again physics Alternative Refrigerant Compressors, and physics working medium circulation carries out; The flue gas of gas engine outlet enters in heat pipe heat-absorbing section, together heat passed to heat pipe with heat source medium and lower the temperature, flue gas after cooling and heat source medium are entered chemical working trap by after the pressurization of chemical working boosting heating device, liquid chemical working medium after trapping enters in conversion zone in chemical working boosting heating device after heating and gasifying reacts, and chemical working recycles.
The present invention is compared with prior art:
1, utilize chemical heat pump that chemical working (carbon dioxide, water vapour) and fossil energy (coal or natural gas) are carried out endothermic disintergration reaction at moderate temperatures, obtain comparing fossil energy
be worth high secondary clean energy, secondary clean energy is used as the energy of gas-fired heat pump, and can heat, freeze and prepare domestic hot-water, remaining secondary energy sources and working medium can use it for anything else;
2, chemical heat pump
efficiency is high, and the thermal efficiency of heat pump is high, in conjunction with after can improve the efficiency of energy utilization of supply system;
3, chemical working recycles, and in circulating flue gas, gas concentration lwevel is high, reduces trapping difficulty and the cost of carbon dioxide.
4, utilize the smoke heat energy of high temperature heat and gas engine as the thermal source of chemical heat pump as the reaction heat of primary energy and chemical working, improve energy utilization rate.
Below in conjunction with drawings and Examples, the present invention is described in detail:
Accompanying drawing explanation
Fig. 1 is the supply system schematic diagram that a kind of chemical heat pump type of the present invention converting fuel is combined with gas-fired heat pump;
Detailed description of the invention:
Embodiment,
The supply system that a kind of chemical heat pump type converting fuel is combined with gas-fired heat pump, see Fig. 1, described system comprises fuel converter 1, gas purifier 2, gas engine 3, chemical working increasing temperature and pressure device 4, chemical working trap 5, physics Alternative Refrigerant Compressors 6, physics working fluid condenses device 7, choke valve 8, physics working medium evaporimeter 9; Described fuel converter comprises conversion zone 1-1, heat pipe heat-absorbing section 1-2 and heat pipe 1-3, and described conversion zone 1-1 and heat pipe heat-absorbing section 1-2 is integrated by the dividing plate group of centre, nested many heat pipe 1-3 on dividing plate; Described conversion zone 1-1 top is provided with thick gas outlet pipe, is connected with gas purifier 2 import; The gas outlet pipe of described gas purifier 2 is connected with the inlet tube of gas engine 3; Described gas engine 3 relies on backgear or belt to be connected with physics Alternative Refrigerant Compressors 6; The smoke discharge tube of described gas engine 3 is connected with the flue gas inlet tube of fuel converter heat pipe heat-absorbing section 1-2; Described heat pipe heat-absorbing section 1-2 bottom is provided with heat source medium inlet tube, and the boost flue gas inlet tube of heating device 4 of smoke discharge tube and the chemical working of heat pipe heat-absorbing section 1_2 is connected; Described chemical working boosting heating device 4 heat source medium is connected with chemical working trap 5 flue gas inlet tube with the outlet of flue gas; The boost working medium side inlet tube of heating device 4 of the liquid refrigerant outlet that described chemical working trap 5 reclaims and chemical working is connected, gaseous state low-temperature heat source medium and flue gas emptying; The working medium side outlet of chemical working boosting heating device 4 is connected with the gaseous working medium inlet tube of fuel converter conversion zone 1_1; Described physics working medium evaporimeter working medium 9 side outlet pipe is connected with physics Alternative Refrigerant Compressors 6 inlet tube; Described physics Alternative Refrigerant Compressors 6 outlet is connected with physics working fluid condenses device 7 working medium side inlet tube; Described physics working fluid condenses device 7 working medium side outlet is connected with physics working medium evaporimeter 9 working medium side inlet tube by choke valve 8; The non-working medium side of described physics working fluid condenses device 7 is connected with heating agent or heat sink medium; The non-working medium side of described physics working medium evaporimeter 9 is connected with refrigerant or heat source medium.
In the present embodiment, described chemical working is carbon dioxide or water vapour, and described primary energy is coal or natural gas.
In the present embodiment, described chemical working and primary energy are carrying out carrying out endothermic disintergration reaction at lower than the temperature of combustion process, and course of reaction adds gasifying catalyst or modifying catalyst.
In the present embodiment, the temperature of described heat pipe 1-3 maintains 900-1100 DEG C, and the temperature of described conversion zone 1_1 maintains 800-1000 DEG C.
According to the supply system structure that above-mentioned chemical heat pump type converting fuel is combined with gas-fired heat pump, the supply system process that chemical heat pump type converting fuel is combined with gas-fired heat pump is as follows: the primary energy entering fuel converter conversion zone 1-1 and the chemical working entering conversion zone 1-1 carry out conversion reaction, reaction institute calorific requirement is sent to conversion zone 1-1 by heat pipe 1-3, the heat of heat pipe absorbs heat source medium by heat pipe heat-absorbing section 1-2 and provides from the heat of the high-temperature flue gas of gas engine 3, after the thick combustion gas that in conversion zone 1-2, primary energy conversion generates enters gas purifier 2 purification, as the fuel of gas engine 3, gas engine 3 drives physics Alternative Refrigerant Compressors 6, deliver in physics working fluid condenses device 7 after the low-pressure gaseous physics working medium of physics working medium evaporimeter 9 is pressurizeed and be condensed into liquid refrigerant, working fluid condenses liberated heat passes to heating agent or heat sink medium, heating agent after intensification is used as heating reservoir winter, liquid refrigerant enters in physics working medium evaporimeter 9 after choke valve 8 reduces pressure, the cryogenic gaseous working medium of physics working medium evaporimeter 9 outlet enters again physics Alternative Refrigerant Compressors 6, and physics working medium circulation carries out, the flue gas of gas engine outlet enters in heat pipe heat-absorbing section 1-2, together heat passed to heat pipe 1-3 with heat source medium and lower the temperature, chemical working trap 5 is entered after flue gas after cooling and heat source medium are pressurizeed by chemical working boosting heating device 4, liquid chemical working medium after trapping enters in conversion zone 1-1 in chemical working boosting heating device 4 after heating and gasifying reacts, and chemical working recycles.
Claims (5)
1. the supply system that is combined with gas-fired heat pump of a chemical heat pump type converting fuel, it is characterized in that, described system comprises fuel converter, gas purifier, gas engine, chemical working boosting heating device, chemical working trap, physics Alternative Refrigerant Compressors, physics working fluid condenses device, choke valve, physics working medium evaporimeter; Described fuel converter comprises conversion zone, heat pipe heat-absorbing section and heat pipe, and described conversion zone and heat pipe heat-absorbing section are integrated by the dividing plate group of centre, nested many heat pipes on dividing plate; Described conversion zone top is provided with thick gas outlet pipe, is connected with gas purifier import; The gas outlet pipe of described gas purifier is connected with the inlet tube of gas engine; Described gas engine relies on backgear or belt to be connected with physics Alternative Refrigerant Compressors; The smoke discharge tube of described gas engine is connected with the flue gas inlet tube of fuel converter heat pipe heat-absorbing section; Described heat pipe heat-absorbing section bottom is provided with heat source medium inlet tube, and the boost flue gas inlet tube of heating device of smoke discharge tube and the chemical working of heat pipe heat-absorbing section is connected; Described chemical working boosting heating device heat source medium is connected with chemical working trap flue gas inlet tube with the outlet of flue gas; The boost working medium side inlet tube of heating device of the liquid refrigerant outlet that described chemical working trap reclaims and chemical working is connected, gaseous state low-temperature heat source medium and flue gas emptying; The chemical working boosting working medium side outlet of heating device is connected with the gaseous working medium inlet tube of fuel converter conversion zone; Described physics working medium evaporimeter working medium side outlet is connected with physics Alternative Refrigerant Compressors inlet tube; Described physics Alternative Refrigerant Compressors outlet is connected with physics working fluid condenses device working medium side inlet tube; Described physics working fluid condenses device working medium side outlet is connected with physics working medium evaporimeter working medium side inlet tube by choke valve; The non-working medium side of described physics working fluid condenses device is connected with heating agent or heat sink medium; The non-working medium side of described physics working medium evaporimeter is connected with refrigerant or heat source medium.
2. the supply system that is combined with gas-fired heat pump of a kind of chemical heat pump type converting fuel according to claim 1, it is characterized in that, described chemical working is carbon dioxide or water vapour, and described primary energy is coal or natural gas.
3. the supply system that is combined with gas-fired heat pump of a kind of chemical heat pump type converting fuel according to claim 1, it is characterized in that, described chemical working and primary energy carry out endothermic disintergration reaction at lower than the temperature of combustion process, and course of reaction adds gasifying catalyst or modifying catalyst.
4. the supply system that is combined with gas-fired heat pump of a kind of chemical heat pump type converting fuel according to claim 1, it is characterized in that, the temperature of described heat pipe maintains 900-1100 DEG C, and the temperature of described conversion zone maintains 800-1000 DEG C.
5. the process that a kind of chemical heat pump type converting fuel that system realizes according to claim 1 is combined with gas-fired heat pump is as follows: the primary energy entering fuel converter conversion zone and the chemical working entering conversion zone carry out conversion reaction, reaction institute calorific requirement is sent to conversion zone by heat pipe, the heat of heat pipe absorbs heat source medium by heat pipe heat-absorbing section and provides from the heat of the high-temperature flue gas of gas engine, after the thick combustion gas that in conversion zone, primary energy conversion generates enters gas purifier purification, as the fuel of gas engine; Gas engine-driven physics Alternative Refrigerant Compressors, deliver in physics working fluid condenses device after the low-pressure gaseous physics working medium pressurization that physics working medium evaporimeter is come and be condensed into liquid refrigerant, working fluid condenses liberated heat passes to heating agent or heat sink medium, heating agent after intensification is used as heating reservoir winter, liquid refrigerant enters in physics working medium evaporimeter after choke valve decompression, the cryogenic gaseous working medium of physics working medium evaporator outlet enters again physics Alternative Refrigerant Compressors, and physics working medium circulation carries out; The flue gas of gas engine outlet enters in heat pipe heat-absorbing section, together heat passed to heat pipe with heat source medium and lower the temperature, flue gas after cooling and heat source medium are entered chemical working trap by after the pressurization of chemical working boosting heating device, liquid chemical working medium after trapping enters in conversion zone in chemical working boosting heating device after heating and gasifying reacts, and chemical working circulation is carried out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510160087.3A CN104776638B (en) | 2015-03-31 | 2015-03-31 | The supply system that a kind of chemical heat pump type fuel conversion is combined with gas-fired heat pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510160087.3A CN104776638B (en) | 2015-03-31 | 2015-03-31 | The supply system that a kind of chemical heat pump type fuel conversion is combined with gas-fired heat pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104776638A true CN104776638A (en) | 2015-07-15 |
| CN104776638B CN104776638B (en) | 2017-10-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510160087.3A Expired - Fee Related CN104776638B (en) | 2015-03-31 | 2015-03-31 | The supply system that a kind of chemical heat pump type fuel conversion is combined with gas-fired heat pump |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105731374A (en) * | 2016-04-07 | 2016-07-06 | 重庆房地产职业学院 | External heating type methane modification system based on chemical working medium circulation |
| CN105776135A (en) * | 2016-02-02 | 2016-07-20 | 广东工业大学 | Exergy pump type natural gas modification system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1421646A (en) * | 2001-11-30 | 2003-06-04 | 清华大学 | Absorbing heat pump heating equipment to utilize fume afterheat of gas-burning steam-circulating heat and power plant |
| CN101236024A (en) * | 2007-07-06 | 2008-08-06 | 罗桂荣 | Improved steam compression type refrigeration system and uses thereof |
| CN201229087Y (en) * | 2008-06-05 | 2009-04-29 | 中国市政工程华北设计研究院 | Compression type heat pump device driven by dimethyl ether engine |
| US8173005B2 (en) * | 2008-08-01 | 2012-05-08 | University Of Ontario Institute Of Technology | Upgrading waste heat with heat pumps for thermochemical hydrogen production |
-
2015
- 2015-03-31 CN CN201510160087.3A patent/CN104776638B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1421646A (en) * | 2001-11-30 | 2003-06-04 | 清华大学 | Absorbing heat pump heating equipment to utilize fume afterheat of gas-burning steam-circulating heat and power plant |
| CN101236024A (en) * | 2007-07-06 | 2008-08-06 | 罗桂荣 | Improved steam compression type refrigeration system and uses thereof |
| CN201229087Y (en) * | 2008-06-05 | 2009-04-29 | 中国市政工程华北设计研究院 | Compression type heat pump device driven by dimethyl ether engine |
| US8173005B2 (en) * | 2008-08-01 | 2012-05-08 | University Of Ontario Institute Of Technology | Upgrading waste heat with heat pumps for thermochemical hydrogen production |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105776135A (en) * | 2016-02-02 | 2016-07-20 | 广东工业大学 | Exergy pump type natural gas modification system |
| CN105731374A (en) * | 2016-04-07 | 2016-07-06 | 重庆房地产职业学院 | External heating type methane modification system based on chemical working medium circulation |
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| Publication number | Publication date |
|---|---|
| CN104776638B (en) | 2017-10-13 |
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Address after: North China Institute of Science and Technology Hebei 065201 Sanhe Province, Yanjiao Economic Development Zone Co-patentee after: China public works North China design studies Zong Yuan company limited Patentee after: North China Institute of Science and Technology Co-patentee after: Beijing Zhongkuang Talroad Technology Co. Ltd. Address before: North China Institute of Science and Technology Hebei 065201 Sanhe Province, Yanjiao Economic Development Zone Co-patentee before: China public works North China design studies Zong Yuan company limited Patentee before: North China Institute of Science and Technology Co-patentee before: Beijing chats Ke Neng Technology Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20171013 Termination date: 20200331 |