CN202732013U - Medium and low temperature heat-energy driving compact type organic Rankine cycle power generation system - Google Patents
Medium and low temperature heat-energy driving compact type organic Rankine cycle power generation system Download PDFInfo
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- CN202732013U CN202732013U CN201220403485.5U CN201220403485U CN202732013U CN 202732013 U CN202732013 U CN 202732013U CN 201220403485 U CN201220403485 U CN 201220403485U CN 202732013 U CN202732013 U CN 202732013U
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- 238000010248 power generation Methods 0.000 title abstract 4
- 239000007788 liquid Substances 0.000 claims abstract description 41
- 238000001816 cooling Methods 0.000 claims abstract description 23
- 239000000498 cooling water Substances 0.000 claims abstract description 18
- 230000006835 compression Effects 0.000 claims description 17
- 238000007906 compression Methods 0.000 claims description 17
- 230000008676 import Effects 0.000 claims description 16
- 230000005494 condensation Effects 0.000 claims description 9
- 238000009833 condensation Methods 0.000 claims description 9
- 238000005516 engineering process Methods 0.000 abstract description 11
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000002347 injection Methods 0.000 abstract 2
- 239000007924 injection Substances 0.000 abstract 2
- 238000000034 method Methods 0.000 description 15
- 239000012530 fluid Substances 0.000 description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000007599 discharging Methods 0.000 description 4
- 239000003507 refrigerant Substances 0.000 description 4
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
- 230000005284 excitation Effects 0.000 description 3
- 239000003949 liquefied natural gas Substances 0.000 description 3
- 229920006395 saturated elastomer Polymers 0.000 description 3
- 239000006200 vaporizer Substances 0.000 description 3
- 239000002918 waste heat Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 241000446313 Lamella Species 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000002028 Biomass Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- USIUVYZYUHIAEV-UHFFFAOYSA-N diphenyl ether Chemical compound C=1C=CC=CC=1OC1=CC=CC=C1 USIUVYZYUHIAEV-UHFFFAOYSA-N 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/10—Geothermal energy
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Abstract
The utility model provides a medium and low temperature heat-energy driving compact type organic Rankine cycle power generation system and belongs to the field of resource and environment technology. The organic Rankine cycle power generation system comprises a steam generator, a gas-liquid separator, an organic turbine, a generator, a heat regenerator, a coagulator, a liquid storage tank, a cooling tower, a cooling water circulating pump, a working medium booster pump and a spraying-injection mixer. One side of the steam generator is connected with the organic turbine and the generator through the gas-liquid separator. The organic turbine is connected with the heat regenerator. The heat regenerator is connected with the coagulator and the cooling tower in sequence. A condensate outlet of the cooling tower is connected with the coagulator through the cooling water circulating pump. The coagulator is connected with the heat regenerator and the steam generator in sequence. The liquid storage tank and the working medium booster pump are arranged in a circuit between the coagulator and the heat regenerator. The spraying-injection mixer is arranged in a circuit between heat regenerator and the steam generator. Consequently, the compactness of the organic Rankine cycle power generation system is improved, the manufacturing cost of equipment is reduced, and operating reliability of the system is increased.
Description
Technical field
The utility model relates to a kind of middle low temperature heat energy and drives compact type organic Rankine cycle generating system, belongs to the resource and environment technical field.
Background technique
Middle low temperature heat energy have quantity huge, various informative, extensively exist and the characteristics such as recovery difficult is larger, comprised the low temperature exhaust heat in the industrial process, geothermal power, solar energy, biomass energy and LNG Liquefied natural gas (LNG) cold energy etc.Only with regard to low temperature exhaust heat, according to conservative estimation, just have an appointment 7,000 ten thousand tce/a, temperature of the metallurgy industry of China emit with interior low temperature exhaust heat in vain at 350 ℃, and all the other are surprising especially such as the quantity of discharging low temperature exhaust heat in the production processes such as building materials, chemical industry and the energy.Utilize every 1kWh electric weight of the huge low temperature heat energy resource of quantity, can save approximately the consumption of mark coal 0.4kg and 4kg water, reduce the CO of about 1.1kg
2, SO
2Reach the discharging of the ring harmful substances such as nitrogen oxide, can alleviate traffic along the line, transportation and the external pressure that power plant causes with coal in a large number simultaneously, alleviate the accumulating pressure of boiler of power plant lime-ash.The Chinese government has made solemn commitment in line with the spirit highly responsible to human society future development to international community, has formulated " energy-saving and emission-reduction " route and the policy as fundamental state policy.Therefore, the new technology of research and utilization low temperature heat energy generating not only has very vast potential for future development and the market space, and has complied with the desirability of country and social development.
In order to utilize efficiently, economically low temperature exhaust heat or the more generating of the low temperature heat energy on the broad sense, as far back as nineteen twenty-four, there is the people just to begin one's study and adopts low boiling organic working medium diphenyl oxide as the organic matter Rankine cycle (ORC) of working medium.Because low boiling working fluid produces the steam of elevated pressures and enters the turbine expansion acting under the low-temperature heat source heating, can obtain higher energy conversion efficiency, the ORC technology can be widely used in various low temperature heat energy power fields.Along with the reinforcement of people to worldwide energy crisis consciousness, cause national governments and energy science and technology worker to the generally attention of new energy development, and in succession drop into a large amount of human and material resources, fall over each other to research and develop the ORC technology.That successively carries out this research work has western developed countries such as U.S., day, Israel, Italy, moral, method.Up to now, generally to be confirmed as be the most effective technology in order to low temperature heat energy power-conversion in realizing to organic Rankine circulation (ORCs) technology.
But the equipment of organic rankine cycle system of common heat exchanger is huge, cost is very high, has greatly hindered applying of this technology because the low temperature and pressure heat-transfer character of middle low temperature heat energy must cause adopting.
The model utility content
The problems such as equipment is huge in order to overcome, cost is very high, the utility model provide a kind of middle low temperature heat energy to drive compact type organic Rankine cycle generating system, realize by following technical proposal.
A kind of middle low temperature heat energy drives compact type organic Rankine cycle generating system, comprise steam generator, gas-liquid separator, organic turbine, generator, regenerator, coagulator, liquid container, cooling tower, cooling water circulating pump, the working medium compression pump, injection-mixer-ejector, establish thermal source import and outlet on the described steam generator, steam generator one side of thermal source import links to each other with generator with organic turbine by gas-liquid separator, organic turbine links to each other with regenerator, regenerator successively with coagulator, cooling tower connects, the condensation outlet of cooling tower is connected with coagulator by cooling water circulating pump again, coagulator exports a side loop with the thermal source of regenerator and steam generator successively and is connected, and the loop between coagulator and regenerator arranges liquid container and working medium compression pump, and the loop between regenerator and steam generator arranges injection-mixer-ejector.
That described steam generator, coagulator and regenerator adopt is board-like, the compact heat exchanger of plate and fin type, shell-and-plate or spiral-plate type.
Working principle of the present utility model is: middle low temperature liquid heat source medium and cycle fluid heat exchange in steam generator, make the cycle fluid evaporation, superheated vapor from steam generator out after, enter in the gas-liquid separator, dry saturated vapor enters into organic turbine expansion acting, drives the generator output power; Enter into regenerator from the exhaust steam out of organic turbine relief opening, the working medium of coming from the working medium compression pump is carried out preheating, afterwards exhaust steam enters coagulator, finish condensation by cooling tower, condensed fluid flows into liquid container, be pressed and delivered to the gas-liquid separator entrance by the working medium compression pump again, mix with the new working medium of jet expansion, in injection-mixer-ejector, enter again vaporizer behind the diffusion.
Owing to board-like, plate and fin type, shell-and-plate and spiral-plate type compact heat exchanger do not have gas-liquid physics separating surface, be dry saturated vapor in order to ensure the organic working medium of advancing turbine, in the steam generator import injection-mixer-ejector is set, the ejector action that produces injection-mixer-ejector by the liquid refrigerant that comes from the working medium compression pump promotes that liquid refrigerant comes back to the gravity circulation that heat absorption is vaporized in the vaporizer in the gas-liquid separator, has improved system's reliability of operation.
That the utility model adopts is board-like, plate and fin type, shell-and-plate and spiral-plate type compact heat exchanger are done the organic Rankine circulation steam generator, regenerator and coagulator, when greatly reducing system cost, the compactedness of system is greatly improved, can promotes effectively that the organic Rankine circulating technology efficiently utilizes applying of field at middle low temperature heat energy.
Compact type organic rankine cycle system of the present utility model is applicable to reclaiming kind of middle-low temperature heat, solar energy, living beings heat energy and the middle high-temperature geothermal of industrial process discharging.The beneficial effects of the utility model are:
(1) compactedness of organic rankine cycle system is greatly improved, has reduced the size of unit, saved the installation floor space, more unit realization modularization has been created preferably condition;
(2) equipment manufacturing cost of organic rankine cycle system is reduced greatly, compare with adopting traditional shell-and-tube heat exchanger, the cost of heat transmission equipment can reduce more than 50% approximately;
(3) ejector action that produces injection-mixer-ejector by the liquid refrigerant that comes from the working medium compression pump promotes that liquid refrigerant comes back to the gravity circulation that heat absorption is vaporized in the vaporizer in the gas-liquid separator, has improved system's reliability of operation.
Description of drawings
Fig. 1 is for being Structure and Process schematic representation of the present utility model;
Fig. 2 is structure and the work schematic representation of injection-mixer-ejector of the present utility model;
Among the figure: 1, steam generator, 2, gas-liquid separator, 3, organic turbine, 4, generator, 5, regenerator, 6, coagulator, 7, liquid container, 8, cooling tower, 9, cooling water circulating pump, 10, the working medium compression pump, 11, injection-mixer-ejector.
Embodiment
Below in conjunction with embodiment and accompanying drawing the utility model is described further.
Embodiment 1
Such as Fig. 1 and 2, middle low temperature heat energy drives compact type organic Rankine cycle generating system, comprise steam generator 1, gas-liquid separator 2, organic turbine 3, generator 4, regenerator 5, coagulator 6, liquid container 7, cooling tower 8, cooling water circulating pump 9, working medium compression pump 10, injection-mixer-ejector 11, establish thermal source import and outlet on the described steam generator 1, steam generator 1 one sides of thermal source import link to each other with generator 4 with organic turbine 3 by gas-liquid separator 2, organic turbine 3 links to each other with regenerator 5, regenerator 5 successively with coagulator 6, cooling tower 8 connects, the condensation outlet of cooling tower 8 is connected with coagulator 6 by cooling water circulating pump 9 again, coagulator 6 exports a side loop with the thermal source of regenerator 5 and steam generator 1 successively and is connected, and the loop between coagulator 6 and regenerator 5 arranges liquid container 7 and working medium compression pump 10, and the loop between regenerator 5 and steam generator 1 arranges injection-mixer-ejector 11.Wherein, steam generator 1, coagulator 6 and regenerator 5 adopt board-like compact heat exchanger.
The discharge capacity of 96 ℃ of hot water that certain smelter discharges is 100t/h, be decided to be in adiabatic condensation temperature under 35 ℃ the condition, adopt the organic Rankine circulating technology generating of this routine system, selecting R134a is cycle fluid, steam generator adopts the man type corrugated plate-type heat exchangers, the hot water side flow process is 2, and working medium side is single process.Coagulator also adopts the man type corrugated plate-type heat exchangers, and the cooling water side flow process is 2, and working medium side is single process.In the steam generator import injection-mixer-ejector is set, selects excitation generator, can obtain the electric power output of 486Kw, the final exhaust temperature of waste heat is 56 ℃.Compare with legacy system, can reduce investment outlay 1,000,000 yuan approximately, equipment volume has also reduced many.
Embodiment 2
Such as Fig. 1 and 2, middle low temperature heat energy drives compact type organic Rankine cycle generating system, comprise steam generator 1, gas-liquid separator 2, organic turbine 3, generator 4, regenerator 5, coagulator 6, liquid container 7, cooling tower 8, cooling water circulating pump 9, working medium compression pump 10, injection-mixer-ejector 11, establish thermal source import and outlet on the described steam generator 1, steam generator 1 one sides of thermal source import link to each other with generator 4 with organic turbine 3 by gas-liquid separator 2, organic turbine 3 links to each other with regenerator 5, regenerator 5 successively with coagulator 6, cooling tower 8 connects, the condensation outlet of cooling tower 8 is connected with coagulator 6 by cooling water circulating pump 9 again, coagulator 6 exports a side loop with the thermal source of regenerator 5 and steam generator 1 successively and is connected, and the loop between coagulator 6 and regenerator 5 arranges liquid container 7 and working medium compression pump 10, and the loop between regenerator 5 and steam generator 1 arranges injection-mixer-ejector 11.Wherein, steam generator 1, coagulator 6 and regenerator 5 adopt the compact heat exchanger of plate and fin type.
The flow of the 0.2MPa saturated vapour that certain Iron And Steel Plant discharges is 100t/h, is decided to be in adiabatic condensation temperature under 35 ℃ the condition, adopts the generating of organic Rankine circulating technology, selecting R134a is cycle fluid, steam generator adopts plate-fin heat exchanger, and steam heat release side is single process, and working medium side is single process.Coagulator also adopts plate-fin heat exchanger, and the cooling water side flow process is 2, and working medium side is single process.In the steam generator import injection-mixer-ejector is set, selects excitation generator, can obtain the electric power output of 1586Kw, the final exhaust temperature of waste heat is 63 ℃.Compare with legacy system, can reduce investment outlay 2,300,000 yuan approximately, equipment volume has also reduced many.
Embodiment 3
Such as Fig. 1 and 2, middle low temperature heat energy drives compact type organic Rankine cycle generating system, comprise steam generator 1, gas-liquid separator 2, organic turbine 3, generator 4, regenerator 5, coagulator 6, liquid container 7, cooling tower 8, cooling water circulating pump 9, working medium compression pump 10, injection-mixer-ejector 11, establish thermal source import and outlet on the described steam generator 1, steam generator 1 one sides of thermal source import link to each other with generator 4 with organic turbine 3 by gas-liquid separator 2, organic turbine 3 links to each other with regenerator 5, regenerator 5 successively with coagulator 6, cooling tower 8 connects, the condensation outlet of cooling tower 8 is connected with coagulator 6 by cooling water circulating pump 9 again, coagulator 6 exports a side loop with the thermal source of regenerator 5 and steam generator 1 successively and is connected, and the loop between coagulator 6 and regenerator 5 arranges liquid container 7 and working medium compression pump 10, and the loop between regenerator 5 and steam generator 1 arranges injection-mixer-ejector 11.Wherein, steam generator 1, coagulator 6 and regenerator 5 adopt the shell-and-plate compact heat exchanger.
The about 40000Nm of flow of 300 ℃ of flue gases of certain Iron And Steel Plant's three-stage heating furnace discharging
3/ h, adopt conduction oil intermediate medium method organic Rankine circulating generation, the oil temperature of conduction oil heat boiler outlet is 200 ℃, selecting R123 is cycle fluid, steam generator adopts lamella heat exchanger, conduction oil heat release effluent journey is 2, and steam generator outlet oil temperature is 110 ℃, and working medium side is single process.Coagulator also adopts lamella heat exchanger, and the cooling water side flow process is 2, and working medium side is single process.In the steam generator import injection-mixer-ejector is set, selects excitation generator, can obtain the electric power output of 300Kw, 150 ℃ a little more than dew point fall in the conduction oil smoke temperature at outlet of waste heat boiler.Compare with legacy system, can reduce investment outlay 900,000 yuan approximately, equipment volume has also reduced many.
Embodiment 4
Such as Fig. 1 and 2, middle low temperature heat energy drives compact type organic Rankine cycle generating system, comprise steam generator 1, gas-liquid separator 2, organic turbine 3, generator 4, regenerator 5, coagulator 6, liquid container 7, cooling tower 8, cooling water circulating pump 9, working medium compression pump 10, injection-mixer-ejector 11, establish thermal source import and outlet on the described steam generator 1, steam generator 1 one sides of thermal source import link to each other with generator 4 with organic turbine 3 by gas-liquid separator 2, organic turbine 3 links to each other with regenerator 5, regenerator 5 successively with coagulator 6, cooling tower 8 connects, the condensation outlet of cooling tower 8 is connected with coagulator 6 by cooling water circulating pump 9 again, coagulator 6 exports a side loop with the thermal source of regenerator 5 and steam generator 1 successively and is connected, and the loop between coagulator 6 and regenerator 5 arranges liquid container 7 and working medium compression pump 10, and the loop between regenerator 5 and steam generator 1 arranges injection-mixer-ejector 11.Wherein, steam generator 1, coagulator 6 and regenerator 5 adopt the compact heat exchanger of spiral-plate type.
Claims (2)
1. low temperature heat energy drives compact type organic Rankine cycle generating system in one kind, it is characterized in that: comprise steam generator, gas-liquid separator, organic turbine, generator, regenerator, coagulator, liquid container, cooling tower, cooling water circulating pump, the working medium compression pump, injection-mixer-ejector, establish thermal source import and outlet on the described steam generator, steam generator one side of thermal source import links to each other with generator with organic turbine by gas-liquid separator, organic turbine links to each other with regenerator, regenerator successively with coagulator, cooling tower connects, the condensation outlet of cooling tower is connected with coagulator by cooling water circulating pump again, coagulator exports a side loop with the thermal source of regenerator and steam generator successively and is connected, and the loop between coagulator and regenerator arranges liquid container and working medium compression pump, and the loop between regenerator and steam generator arranges injection-mixer-ejector.
2. described middle low temperature heat energy drives compact type organic Rankine cycle generating system according to claim 1, it is characterized in that: described steam generator, coagulator and regenerator adopt the compact heat exchanger of board-like, plate and fin type, shell-and-plate or spiral-plate type.
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| CN201220403485.5U CN202732013U (en) | 2012-08-15 | 2012-08-15 | Medium and low temperature heat-energy driving compact type organic Rankine cycle power generation system |
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| CN201220403485.5U CN202732013U (en) | 2012-08-15 | 2012-08-15 | Medium and low temperature heat-energy driving compact type organic Rankine cycle power generation system |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103277157A (en) * | 2013-05-24 | 2013-09-04 | 成都昊特新能源技术股份有限公司 | Solar ORC power generation system and power generation method thereof |
| CN103291392A (en) * | 2013-05-24 | 2013-09-11 | 成都昊特新能源技术股份有限公司 | ORC (organic Rankine cycle) power generation system and method |
| CN103410578A (en) * | 2013-08-01 | 2013-11-27 | 南京微阳电力科技有限公司 | Low-temperature organic Rankine cycle industrial waste heat power generating equipment |
| CN103758593A (en) * | 2013-12-04 | 2014-04-30 | 中石化石油工程设计有限公司 | Hot dry rock heat energy recovery and generating set based on organic Rankine cycle |
| CN106705020A (en) * | 2016-12-30 | 2017-05-24 | 王运举 | Self-heat-absorption type heat exchanger combination |
| CN107882603A (en) * | 2017-12-12 | 2018-04-06 | 吴加林 | Construct low-temperature receiver energy-recuperation system, heat engine system and energy reclaiming method |
| CN108219879A (en) * | 2016-12-14 | 2018-06-29 | 中国石化工程建设有限公司 | Coal system substitute natural gas without cycle methanation in presence of sulfur technique |
| CN108291498A (en) * | 2015-12-11 | 2018-07-17 | 希塔科技有限公司 | Dense-air refrigeration cycle heat engine |
| CN109945681A (en) * | 2019-02-25 | 2019-06-28 | 昆明理工大学 | It is a kind of directly to contact combined type heat-exchange system |
-
2012
- 2012-08-15 CN CN201220403485.5U patent/CN202732013U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103277157A (en) * | 2013-05-24 | 2013-09-04 | 成都昊特新能源技术股份有限公司 | Solar ORC power generation system and power generation method thereof |
| CN103291392A (en) * | 2013-05-24 | 2013-09-11 | 成都昊特新能源技术股份有限公司 | ORC (organic Rankine cycle) power generation system and method |
| CN103410578A (en) * | 2013-08-01 | 2013-11-27 | 南京微阳电力科技有限公司 | Low-temperature organic Rankine cycle industrial waste heat power generating equipment |
| CN103410578B (en) * | 2013-08-01 | 2015-10-07 | 南京微阳电力科技有限公司 | A kind of low form organic Rankine bottoming cycle industrial afterheat power generation equipment |
| CN103758593A (en) * | 2013-12-04 | 2014-04-30 | 中石化石油工程设计有限公司 | Hot dry rock heat energy recovery and generating set based on organic Rankine cycle |
| CN108291498A (en) * | 2015-12-11 | 2018-07-17 | 希塔科技有限公司 | Dense-air refrigeration cycle heat engine |
| CN108219879A (en) * | 2016-12-14 | 2018-06-29 | 中国石化工程建设有限公司 | Coal system substitute natural gas without cycle methanation in presence of sulfur technique |
| CN108219879B (en) * | 2016-12-14 | 2020-08-04 | 中国石化工程建设有限公司 | Non-circulation sulfur-tolerant methanation process for coal-based substitute natural gas |
| CN106705020A (en) * | 2016-12-30 | 2017-05-24 | 王运举 | Self-heat-absorption type heat exchanger combination |
| CN107882603A (en) * | 2017-12-12 | 2018-04-06 | 吴加林 | Construct low-temperature receiver energy-recuperation system, heat engine system and energy reclaiming method |
| CN109945681A (en) * | 2019-02-25 | 2019-06-28 | 昆明理工大学 | It is a kind of directly to contact combined type heat-exchange system |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130213 Termination date: 20150815 |
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