CN104390388A - Steam type spraying-dead steam direct absorption type compound heat pump system - Google Patents
Steam type spraying-dead steam direct absorption type compound heat pump system Download PDFInfo
- Publication number
- CN104390388A CN104390388A CN201410650166.8A CN201410650166A CN104390388A CN 104390388 A CN104390388 A CN 104390388A CN 201410650166 A CN201410650166 A CN 201410650166A CN 104390388 A CN104390388 A CN 104390388A
- Authority
- CN
- China
- Prior art keywords
- steam
- generator
- absorber
- working medium
- condenser
- Prior art date
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- 238000010521 absorption reaction Methods 0.000 title claims abstract description 22
- 150000001875 compounds Chemical class 0.000 title abstract 4
- 239000006096 absorbing agent Substances 0.000 claims abstract description 42
- 239000008400 supply water Substances 0.000 claims abstract 2
- 239000000243 solution Substances 0.000 claims description 45
- AMXOYNBUYSYVKV-UHFFFAOYSA-M Lithium bromide Chemical group data:image/svg+xml;base64,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 data:image/svg+xml;base64,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 [Li+].[Br-] AMXOYNBUYSYVKV-UHFFFAOYSA-M 0.000 claims description 30
- 229940059936 lithium bromide Drugs 0.000 claims description 15
- 239000007788 liquid Substances 0.000 claims description 13
- 238000010438 heat treatment Methods 0.000 claims description 10
- 230000002209 hydrophobic Effects 0.000 claims description 9
- 238000010612 desalination reaction Methods 0.000 claims description 8
- 238000002347 injection Methods 0.000 claims description 6
- 239000007924 injection Substances 0.000 claims description 6
- 238000000926 separation method Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances data:image/svg+xml;base64,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 data:image/svg+xml;base64,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 O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 4
- 238000005507 spraying Methods 0.000 abstract 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N lithium Chemical compound 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[Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 3
- 229910052744 lithium Inorganic materials 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000005893 bromination reaction Methods 0.000 description 2
- 238000005039 chemical industry Methods 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 238000005755 formation reaction Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 230000002427 irreversible Effects 0.000 description 2
- 238000005272 metallurgy Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 239000002918 waste heat Substances 0.000 description 2
- 230000033558 biomineral tissue development Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
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
- F25B25/00—Machines, plant, or systems, using a combination of modes of operation covered by two or more of the groups F25B1/00 - F25B23/00
-
- 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
- F25B41/00—Fluid-circulation arrangements
Abstract
The invention discloses a steam type spraying-dead steam direct absorption type compound heat pump system. The steam type spraying-dead steam direct absorption type compound heat pump system comprises an absorber, a generator, a condenser and a spraying device; low-temperature dead steam is directly introduced into the absorber and is absorbed by a working medium in the absorber; a working medium outlet of the absorber is connected with a working medium inlet of the generator by a pipeline; a working medium outlet of the generator is connected with a working medium inlet of the absorber by a pipeline to form a working medium loop; heat net returned water is heated by the absorber and the condenser in sequence and is used as heat net supply water to be output. According to the steam type spraying-dead steam direct absorption type compound heat pump system, the spraying device is introduced, and middle-pressure steam formed by low-pressure steam generated by utilizing a high pressure inlet steam to inject the generator is used as driving steam of a heat pump so that the operation unsafety problem of the system, caused by the fact that the steam pressure is too high is avoided; meanwhile, the efficient utilization of steam energy is realized; the heat pump system is used for directly absorbing the low-temperature dead steam and an evaporator link in a traditional heat pump system is saved; the system investment is reduced; meanwhile, a middle heat exchanging process is reduced so that the system performance is greatly improved.
Description
Technical field
The invention belongs to energy recovery technical field, relate to a kind of heat pump, be specifically related to a kind of steam type injection-exhaust steam direct absorption combined heat-pump system.
Background technology
High efficiente callback utilizes exhaust steam residual heat significant to raising China efficiency of energy utilization, minimizing environmental pollution.Absorption heat pump by consuming high-grade energy recovery low grade residual heat to meet user's requirement, thus realizes energy-saving and emission-reduction.For steam type absorption heat pump, its high temperature heat source and driving heat source are extracted steam from turbine, and when carrying out steam pressure higher than required driving pressure, its coefficient of heat supply is substantially constant; And Tathagata steam pressure is too high when actual motion, generator can be made to produce the problem such as fouling, corrosion, the safe operation of influential system.In addition, existing absorption type heat pump system adopts the scheme of indirect utilization when reclaiming low-temperature steam exhaust waste heat, exhaust steam heat first passes to recirculated water, and heat pump is again using recirculated water as low-temperature heat source.The program adds system investments and operating cost, and the quality of low-temperature heat source is reduced, the performance of influential system.
Summary of the invention
The object of the invention is to solve the problem, a kind of steam type injection-exhaust steam direct absorption combined heat-pump system is provided, system solves the problem the problem that steam pressure is too high and heat pump is complicated, system investments cost is high.
To achieve these goals, the technical solution adopted in the present invention is:
A kind of steam type injection-exhaust steam direct absorption combined heat-pump system, comprises absorber, generator, condenser, injector and heat supplying loop; Low-temperature steam exhaust directly passes into absorber, is absorbed by the working medium in absorber; The sender property outlet of absorber is connected to the working medium entrance of generator by pipeline, the sender property outlet of generator is connected to the working medium entrance of absorber by pipeline, forms working medium loop;
Heat supply network backwater is entered by one end of heat supplying loop, and the working medium flowed through in absorber by pipeline is once heated, and enters in condenser more afterwards by pipeline, after the post bake of condenser vapor, supplies water export as heat supply network;
High pressure carrys out vapour and is entered by an input of injector, and another input of injector is connected to the steam (vapor) outlet on generator top, and the output of injector connects the heating pipe line entrance of generator; Condenser is arranged in generator, condenser is connected with condenser vapor condensate line; Heating pipe line outlet bottom generator connects driving steam drainage pipeline, drives steam drainage pipeline and condenser vapor condensate line to converge, by hydrophobic feeding steam condenser of steam turbine set or oxygen-eliminating device, starts new circulation.
Described working medium loop is provided with solution pump and solution heat exchanger; The sender property outlet of absorber be connected on the cold side input port of solution heat exchanger by solution pump, the cold side outlet port of solution heat exchanger is connected on the working medium entrance of generator; The sender property outlet of generator is connected on the hot side entrance of solution heat exchanger by pipeline, and the hot side outlet of solution heat exchanger is connected on the working medium entrance of absorber by pipeline.
Described working medium is lithium-bromide solution.
Be provided with in described generator for separating of and the liquid knockout of drop in recovered steam; High pressure come vapour by produce in injector injection generator and realize the steam after vapor-liquid separation through liquid knockout, as the driving steam of whole system.
Described absorber is provided with the vavuum pump for ensureing system vacuum.
Described driving steam drainage pipeline and condenser vapor condensate line converge hydrophobic feeding steam condenser of steam turbine set or oxygen-eliminating device by desalination device.
Compared with prior art, the present invention has following beneficial effect:
The present invention is in high temperature heat source part, introduce steam jet ejector, the steam utilizing high pressure to carry out the generation of vapour injection generator forms middle pressure steam as the driving steam of heat pump, avoids the too high system cloud gray model safety problem brought of steam pressure, realizes the efficiency utilization of steam energy simultaneously; In low-temperature heat source part, adopting bromize lithium concentrated solution directly to absorb the scheme of the waste heat of low-temperature steam exhaust, by cancelling exhaust steam and recirculated water heat exchange and the evaporimeter heat release of recirculated water in heat pump two links, heat pump being simplified, investment reduction; Compared with conventional bromination lithium absorption heat pump, one aspect of the present invention avoids the too high system cloud gray model safety problem brought of steam pressure, realizes the efficiency utilization of steam energy simultaneously; Eliminate evaporimeter on the other hand, simplify system, reduce investment, simultaneously owing to eliminating two intermediate heat transfer processes, system irreversible loss reduces, and can save water circulating pump merit, and systematic function greatly improves.The present invention can be applicable to the industries such as heating, oil, chemical industry, metallurgy, light industry.
Further, the present invention is provided with desalination device at hydrophobic pipeline, and the steam condensation that condenser is formed is hydrophobic meets industrial requirement with the quality of the driving steam drainage of generator formation.
Further, due to general containing incondensable gas in low-temperature steam exhaust, the present invention arranges vavuum pump to ensure the vacuum of system on absorber.
Further, the steam that generator produces may carry some lithium-bromide solution drops, is to reduce lithium-bromide solution loss, ensure the normal operation of ejector system, and the present invention arranges liquid knockout to be separated and drop in recovered steam in generator.
Accompanying drawing explanation
Fig. 1 is schematic diagram of the present invention;
Fig. 2 is the structure principle chart of the injector adopted in the present invention.
Wherein, 1 is absorber; 2 is generator; 3 is condenser; 4 is injector; 5 is liquid knockout; 6 is desalination device; 7 is vavuum pump; 8 is solution pump; 9 is solution heat exchanger; 10 is nozzle; 11 is higher pressure steam inlet; 12 is low-pressure steam inlet; 13 is middle pressure steam outlet; 14 is hybrid chamber.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention will be further described in detail:
See Fig. 1, the present invention includes absorber 1, generator 2, condenser 3, injector 4 and heat supplying loop; Low-temperature steam exhaust directly passes into absorber 1, is absorbed by the working medium in absorber 1; The sender property outlet of absorber 1 is connected to the working medium entrance of generator 2 by pipeline, the sender property outlet of generator 2 is connected to the working medium entrance of absorber 1 by pipeline, forms working medium loop; Working medium loop is provided with solution pump 8 and solution heat exchanger 9; The sender property outlet of absorber 1 be connected on the cold side input port of solution heat exchanger 9 by solution pump 8, the cold side outlet port of solution heat exchanger 9 is connected on the working medium entrance of generator 2; The sender property outlet of generator 2 is connected on the hot side entrance of solution heat exchanger 9 by pipeline, and the hot side outlet of solution heat exchanger 9 is connected on the working medium entrance of absorber 1 by pipeline.Wherein, working medium is lithium-bromide solution, and in generator 2, the concentration of lithium-bromide solution is greater than the concentration of lithium-bromide solution in absorber 1, and in generator 2 temperature of lithium-bromide solution higher than the temperature of lithium-bromide solution in absorber 1.
Heat supply network backwater is entered by one end of heat supplying loop, and the working medium flowed through in absorber 1 by pipeline is once heated, and enters in condenser 3 more afterwards by pipeline, after the post bake of steam in condenser 3, supplies water export as heat supply network.
High pressure carrys out vapour and is entered by an input of injector 4, and another input of injector 4 is connected to the steam (vapor) outlet on generator 2 top, and the output of injector 4 connects the heating pipe line entrance of generator 2; Condenser 3 is arranged in generator 2, condenser 3 is connected with condenser vapor condensate line; Heating pipe line outlet bottom generator 2 connects driving steam drainage pipeline, drives steam drainage pipeline and condenser vapor condensate line to converge, by desalination device 6 by hydrophobic feeding steam condenser of steam turbine set or oxygen-eliminating device, starts new circulation.
Be provided with in generator 2 for separating of and the liquid knockout 5 of drop in recovered steam; High pressure come vapour by injector 4 injection generator 2 produce and realize the steam after vapor-liquid separation through liquid knockout 5, as the driving steam of whole system.Absorber 1 is provided with the vavuum pump 7 for ensureing system vacuum.
As shown in Figure 2, injector 4 comprises the middle pressure steam outlet 13 of the higher pressure steam inlet 11 of front end, the low-pressure steam inlet 12 of side and end; Be provided with nozzle 10 in higher pressure steam inlet, low-pressure steam inlet 12 is positioned at the side of nozzle 10, and high steam and low-pressure steam form middle pressure steam after entering and mixing in hybrid chamber 14, finally exports 13 by the middle pressure steam being positioned at end and exports.
Operation principle of the present invention
Steam type injection-exhaust steam direct absorption the combined heat-pump system that the present invention proposes is made up of absorber 1, generator 2, condenser 3, injector 4, liquid knockout 5, desalination device 6, vavuum pump 7 solution pump 8 and solution heat exchanger 9 etc., as shown in Figure 1.
Low-temperature steam exhaust enters absorber 1, is absorbed in absorber 1 by dense lithium-bromide solution, and the heat that absorption process produces is used for heat supply network backwater and once heats; Dense lithium-bromide solution becomes rare lithium-bromide solution after absorbing low-temperature steam exhaust, pressurizes, solution heat exchanger 9 enters generator 2 after heating, by driving Steam Heating through solution pump 8, discharge steam, form dense lithium-bromide solution, after solution heat exchanger 9 cools, enter absorber 1, form working medium loop.A part of steam that generator 2 produces, as the low-pressure steam (being called jetting steam caused) of injector 4, carrys out vapour driving steam as generator 2 after injector 4 mixes with high pressure; Another part steam that generator 2 produces carries out post bake to heat supply network backwater in condenser 3, transfers heat to hot net water and outwards confesses.The steam condensate formed in the driving steam drainage that generator 2 is formed and condenser 3 converges send into steam condenser of steam turbine set or oxygen-eliminating device after desalination device 6, starts new circulation.
Injector 4 is that a kind of structure is simple, mechanical moving component, safe and reliable energy saver, is widely used in multiple fields.Fig. 2 gives the principle schematic of injector, high steam forms high speed steam flow through nozzle expansion, pressure reduces and forms low-pressure area, injection low-pressure steam is to hybrid chamber, after mixing, the middle pressure steam of reduction of speed boosting mineralization pressure between high steam and low-pressure steam, its essence is and utilize the kinetic energy of high steam to promote the pressure of low-pressure steam.
Due to general containing incondensable gas in low-temperature steam exhaust, absorber 1 arranges vavuum pump 7 to ensure the vacuum of system; Considering that the steam that generator produces may carry some lithium-bromide solution drops, is reduce lithium-bromide solution loss, ensure the normal operation of ejector system, arranges liquid knockout 5 and be separated and drop in recovered steam in generator 2.
In order to the quality of the driving steam drainage that the steam condensation making condenser 3 be formed is hydrophobic and generator 2 is formed meets industrial requirement, be provided with desalination device 6 at this hydrophobic pipeline.
Compared with conventional bromination lithium absorption heat pump, injection-exhaust steam direct absorption combined heat-pump system that the present invention proposes, avoids the too high system cloud gray model safety problem brought of steam pressure on the one hand, realizes the efficiency utilization of steam energy simultaneously; Eliminate evaporimeter on the other hand, simplify system, reduce investment, improve systematic function, decrease operating cost.
Heat pump of the present invention, can be applicable to the industries such as heating, oil, chemical industry, metallurgy, light industry.
The present invention has the following advantages:
The present invention introduces injector, utilizes high pressure to carry out the middle pressure steam of the low-pressure steam formation that vapour injection generator produces as the driving steam of heat pump, avoids the too high system cloud gray model safety problem brought of steam pressure, realize the efficiency utilization of steam energy simultaneously;
Heat pump of the present invention directly absorbs low-temperature steam exhaust, eliminates the evaporimeter link in conventional heat pump system, decreases heat pump investment and operating cost; Simultaneously owing to eliminating two intermediate heat transfer processes, system irreversible loss reduces, and systematic function greatly improves.
Above content is only and technological thought of the present invention is described; protection scope of the present invention can not be limited with this; every technological thought proposed according to the present invention, any change that technical scheme basis is done, within the protection domain all falling into claims of the present invention.
Claims (6)
1. a steam type injection-exhaust steam direct absorption combined heat-pump system, is characterized in that: comprise absorber (1), generator (2), condenser (3), injector (4) and heat supplying loop; Low-temperature steam exhaust directly passes into absorber (1), is absorbed by the working medium in absorber (1); The sender property outlet of absorber (1) is connected to the working medium entrance of generator (2) by pipeline, the sender property outlet of generator (2) is connected to the working medium entrance of absorber (1) by pipeline, forms working medium loop;
Heat supply network backwater is entered by one end of heat supplying loop, the working medium flowed through in absorber (1) by pipeline is once heated, enter in condenser (3) by pipeline more afterwards, after the post bake of condenser (3) steam, supply water as heat supply network and export;
High pressure carrys out vapour and is entered by an input of injector (4), another input of injector (4) is connected to the steam (vapor) outlet on generator (2) top, and the output of injector (4) connects the heating pipe line entrance of generator (2); Condenser (3) is arranged in generator (2), and (3) are connected with condenser vapor condensate line with condenser; The heating pipe line outlet of generator (2) bottom connects driving steam drainage pipeline, drives steam drainage pipeline and condenser vapor condensate line to converge, by hydrophobic feeding steam condenser of steam turbine set or oxygen-eliminating device, starts new circulation.
2. steam type injection-exhaust steam direct absorption combined heat-pump system according to claim 1, is characterized in that: described working medium loop is provided with solution pump (8) and solution heat exchanger (9); The sender property outlet of absorber (1) be connected on the cold side input port of solution heat exchanger (9) by solution pump (8), the cold side outlet port of solution heat exchanger (9) is connected on the working medium entrance of generator (2); The sender property outlet of generator (2) is connected to by pipeline on the hot side entrance of solution heat exchanger (9), and the hot side outlet of solution heat exchanger (9) is connected on the working medium entrance of absorber (1) by pipeline.
3. steam type injection-exhaust steam direct absorption combined heat-pump system according to claim 1 and 2, is characterized in that: described working medium is lithium-bromide solution.
4. steam type injection-exhaust steam direct absorption combined heat-pump system according to claim 1 and 2, is characterized in that: be provided with in described generator (2) for separating of and the liquid knockout (5) of drop in recovered steam; High pressure come vapour by produce in injector (4) injection generator (2) and realize the steam after vapor-liquid separation through liquid knockout (5), as the driving steam of whole system.
5. steam type injection-exhaust steam direct absorption combined heat-pump system according to claim 1 and 2, is characterized in that: described absorber (1) is provided with the vavuum pump (7) for ensureing system vacuum.
6. steam type injection-exhaust steam direct absorption combined heat-pump system according to claim 1 and 2, is characterized in that: described driving steam drainage pipeline and condenser vapor condensate line converge hydrophobic feeding steam condenser of steam turbine set or oxygen-eliminating device by desalination device (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410650166.8A CN104390388A (en) | 2014-11-14 | 2014-11-14 | Steam type spraying-dead steam direct absorption type compound heat pump system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410650166.8A CN104390388A (en) | 2014-11-14 | 2014-11-14 | Steam type spraying-dead steam direct absorption type compound heat pump system |
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| CN104390388A true CN104390388A (en) | 2015-03-04 |
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| CN201410650166.8A CN104390388A (en) | 2014-11-14 | 2014-11-14 | Steam type spraying-dead steam direct absorption type compound heat pump system |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105652692A (en) * | 2016-03-23 | 2016-06-08 | 武汉理工大学 | Semi-physical object simulating platform of power plant instrument control system based on thermal power generation and control method |
| CN107525301A (en) * | 2017-08-18 | 2017-12-29 | 中原工学院 | A kind of novel absorbent sprays composite refrigeration system |
| CN107975960A (en) * | 2017-11-07 | 2018-05-01 | 西安交通大学 | A kind of absorption system and control method of injection synergy |
| CN107975896A (en) * | 2017-11-07 | 2018-05-01 | 西安交通大学 | A kind of absorption waring and cooling air conditioning system and operational mode of gas-liquid separation injection synergy |
| CN107990590A (en) * | 2017-11-29 | 2018-05-04 | 浙江海洋大学 | A kind of new fishing boat absorption type refrigerating unit and its refrigerating method |
| CN108759160A (en) * | 2018-05-21 | 2018-11-06 | 华中科技大学 | It is a kind of that formula cooling cycle system and method are received without mechanical pumping based on boosting jet |
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| CN102954616A (en) * | 2012-11-27 | 2013-03-06 | 西安交通大学 | Exhaust steam direct-absorption type lithium bromide heat pump system |
| CN102954617A (en) * | 2012-11-27 | 2013-03-06 | 西安交通大学 | Compound heat pump with steam type injection/lithium bromide absorption |
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| JPH03204569A (en) * | 1989-12-29 | 1991-09-06 | Mayekawa Mfg Co Ltd | Refrigerating method using oil injection type screw compressor and heat pump method |
| CN102954616A (en) * | 2012-11-27 | 2013-03-06 | 西安交通大学 | Exhaust steam direct-absorption type lithium bromide heat pump system |
| CN102954617A (en) * | 2012-11-27 | 2013-03-06 | 西安交通大学 | Compound heat pump with steam type injection/lithium bromide absorption |
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| CN105652692A (en) * | 2016-03-23 | 2016-06-08 | 武汉理工大学 | Semi-physical object simulating platform of power plant instrument control system based on thermal power generation and control method |
| CN105652692B (en) * | 2016-03-23 | 2019-08-27 | 武汉理工大学 | The semi-physical emulation platform and control method of power plant's I&C system based on heat power generation |
| CN107525301A (en) * | 2017-08-18 | 2017-12-29 | 中原工学院 | A kind of novel absorbent sprays composite refrigeration system |
| CN107525301B (en) * | 2017-08-18 | 2020-07-24 | 中原工学院 | Novel absorption-injection composite refrigerating system |
| CN107975960A (en) * | 2017-11-07 | 2018-05-01 | 西安交通大学 | A kind of absorption system and control method of injection synergy |
| CN107975896B (en) * | 2017-11-07 | 2019-05-07 | 西安交通大学 | A kind of absorption waring and cooling air conditioning system and operational mode of gas-liquid separation injection synergy |
| CN107975896A (en) * | 2017-11-07 | 2018-05-01 | 西安交通大学 | A kind of absorption waring and cooling air conditioning system and operational mode of gas-liquid separation injection synergy |
| CN107990590A (en) * | 2017-11-29 | 2018-05-04 | 浙江海洋大学 | A kind of new fishing boat absorption type refrigerating unit and its refrigerating method |
| CN107990590B (en) * | 2017-11-29 | 2019-07-05 | 浙江海洋大学 | A kind of fishing boat absorption type refrigerating unit and its refrigerating method |
| CN108759160A (en) * | 2018-05-21 | 2018-11-06 | 华中科技大学 | It is a kind of that formula cooling cycle system and method are received without mechanical pumping based on boosting jet |
| CN109798583A (en) * | 2018-11-04 | 2019-05-24 | 大唐(北京)能源管理有限公司 | A kind of heat pump heat distribution system comprehensively utilizing flue gas and exhaust steam residual heat |
| CN109798582A (en) * | 2018-11-04 | 2019-05-24 | 大唐(北京)能源管理有限公司 | A kind of heat pump heat distribution system of depth exhaust steam residual heat recycling |
| CN109798582B (en) * | 2018-11-04 | 2020-06-23 | 大唐(北京)能源管理有限公司 | Heat pump heating system capable of deeply recovering waste heat of dead steam |
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