CN109631393A - The double-effect lithium bromide absorption type refrigerating plant of fume afterheat and solar energy coupling driving - Google Patents
The double-effect lithium bromide absorption type refrigerating plant of fume afterheat and solar energy coupling driving Download PDFInfo
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- CN109631393A CN109631393A CN201811430029.8A CN201811430029A CN109631393A CN 109631393 A CN109631393 A CN 109631393A CN 201811430029 A CN201811430029 A CN 201811430029A CN 109631393 A CN109631393 A CN 109631393A
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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
- F25B15/00—Sorption machines, plants or systems, operating continuously, e.g. absorption type
- F25B15/02—Sorption machines, plants or systems, operating continuously, e.g. absorption type without inert gas
- F25B15/06—Sorption machines, plants or systems, operating continuously, e.g. absorption type without inert gas the refrigerant being water vapour evaporated from a salt solution, e.g. lithium bromide
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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
- F25B27/00—Machines, plants or systems, using particular sources of energy
- F25B27/02—Machines, plants or systems, using particular sources of energy using waste heat, e.g. from internal-combustion engines
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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
- F25B41/00—Fluid-circulation arrangements
- F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/27—Relating to heating, ventilation or air conditioning [HVAC] technologies
- Y02A30/274—Relating to heating, ventilation or air conditioning [HVAC] technologies using waste energy, e.g. from internal combustion engine
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/62—Absorption based systems
- Y02B30/625—Absorption based systems combined with heat or power generation [CHP], e.g. trigeneration
Abstract
The double-effect lithium bromide absorption type refrigerating plant of fume afterheat and solar energy coupling driving of the present invention belongs to fume afterheat and utilizes refrigeration technology field；A kind of absorption lithium bromide refrigerating device making full use of fume afterheat and solar energy is provided；Technical solution are as follows: including lithium-bromide solution cycling element, refrigerant circulation unit, fume afterheat cycling element and solar energy heating cycling element；Lithium-bromide solution cycling element is used for by absorbing the cryogen in evaporator in absorber, and high temperature heat source is absorbed in high pressure generator separates solution and solvent, and the refrigerant vapor of generation enters condenser, and the solution of concentration enters absorber by heat exchanger；Refrigerant circulation unit is used for the condensation and evaporation of cryogen, provides required cooling capacity；Fume afterheat cycling element heats lithium bromide weak solution and generates refrigerant vapor and concentrated solution as main drive energy；Solar energy heating cycling element is as the auxiliary drive energy, using solar energy as the heat source of the second low pressure generator.
Description
Technical field
The double-effect lithium bromide absorption type refrigerating plant of fume afterheat of the present invention and solar energy coupling driving, belongs to fume afterheat
Utilize refrigeration technology field.
Background technique
Lithium bromide absorption refrigerating set has huge development potentiality under current China's actual conditions, and unit is in UTILIZATION OF VESIDUAL HEAT IN side
There is huge advantage in face, and lithium bromide absorption refrigerating set is using low-grade thermal energy as drive energy, with steam compression type system
Cold group is compared, and huge electric energy is saved；In addition, the absorption refrigeration that lithium-bromide solution is current field of heating ventilation air conditioning is commonly used
Working medium pair, lithium-bromide solution chemical property is stable, it is nontoxic, explosion danger will not occur, greenhouse effects will not be generated and will not
Destruction is generated to ozone layer, refrigerant is from a wealth of sources, and it is at low cost, meet environmental protection, energy-efficient requirement.
In the current energy resource structure in China, coal-burning boiler accounts for 70%, and the coal amount that coal-burning boiler needs is big, but the thermal efficiency
Universal lower, operational efficiency only has 60%-75%.In addition, the energy that the flue gas that boiler fired coal generates is had accounts for 15%, flue gas
Temperature is up to 500-600K, if this portion of energy, which is not used, is directly discharged to energy loss caused in atmosphere very
It is huge.
In recent years, with the rapid development of economy, energy-output ratio is also increasing, in face of especially severe energy crisis, too
Sun can be considered to have the renewable energy and cleaning of great potential with its cleanliness without any pollution and resourceful advantage
The energy is widely favored.But there are a defects for solar energy itself: solar radiation unstability, solar radiation are strong
Irregular variation tendency is presented in degree, and lasting drive energy can not be provided for system.
Summary of the invention
The double-effect lithium bromide absorption type refrigerating plant of fume afterheat of the present invention and solar energy coupling driving, overcomes existing skill
Deficiency existing for art, the drive energy that the high-temperature flue gas that boiler generates is freezed as double-effect lithium bromide absorption type, makes full use of
Energy in flue gas, improves energy utilization rate while energy saving.
In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention are as follows: a kind of fume afterheat is coupled with solar energy
The double-effect lithium bromide absorption type refrigerating plant of driving, including lithium-bromide solution cycling element, refrigerant circulation unit, fume afterheat
Cycling element and solar energy heating cycling element,
Lithium-bromide solution cycling element is used to absorb in high pressure generator high by absorbing the cryogen in evaporator in absorber
Temperature-heat-source separates solution and solvent, and the refrigerant vapor of generation enters condenser, and the solution of concentration enters suction by heat exchanger
Receive device；
Refrigerant circulation unit is used for the condensation and evaporation of cryogen, provides required cooling capacity；
Fume afterheat cycling element heats lithium bromide weak solution and generates refrigerant vapor and concentrated solution as main drive energy；
Solar energy heating cycling element is as the auxiliary drive energy, using solar energy as the heat source of the second low pressure generator.
Further, the solar energy heating cycling element include the second low pressure generator, solar thermal collector, heat-exchanger pump and
Hot water storage tank；The water outlet of solar thermal collector is connected with heat-exchanger pump water inlet, and heat-exchanger pump water outlet and hot water storage tank are intake
Mouth is connected, and hot water storage tank water outlet is connected with the second low pressure generator tube side input end, the outlet of the second low pressure generator tube side
End is connected with solar thermal collector water inlet.
Further, the lithium-bromide solution cycling element includes occurring including high pressure generator, balanced valve, the first low pressure
Device, first flow regulating valve, absorber, absorber, second flow regulating valve, high-temperature solution heat exchanger, third flow tune
Section valve and cryogenic fluid heat exchanger, the taphole end of absorber are connected with the input end of absorber, and absorber goes out
Mouthful end is divided into two branches, and a branch is connect with the first input end of shell side of high-temperature solution heat exchanger (13), another branch and
One end of third flow control valve (14) is connected；The shell side first exit end and high pressure generator of high-temperature solution heat exchanger (13)
(2) solution inlet port end is connected, and the taphole end of high pressure generator (2) is connected with one end of balanced valve (3), balanced valve
(3) the other end is connected with the solution inlet port end of the first low pressure generator (4), the taphole of the first low pressure generator (4)
End is connected with the second input end of shell side of high-temperature solution heat exchanger (13), the shell side second of high-temperature solution heat exchanger (13)
Outlet end is connected with the one end of second flow regulating valve (11), the other end of second flow regulating valve (11) and absorber (9)
The first input end be connected, complete the circulation of a branch；Another branch is connected with third flow control valve (14) input end
It connects, the outlet end of third flow control valve (14) is connected with the shell side input end of cryogenic fluid heat exchanger (16), cryogenic fluid
The shell-side outlet end of heat exchanger (16) is connected with the input end of the second low pressure generator (15-1) solution, and described second is low
The taphole end of pressure generator (15-1) is connected with the tube side input end of cryogenic fluid heat exchanger (16), cryogenic fluid heat
The tube side outlet end of exchanger (16) is connected with the input end of first flow regulating valve (8), (8) outlet of first flow regulating valve
End is connected with the second input end of absorber (9), completes the circulation of another branch.
Further, the refrigerant circulation unit includes condenser, expansion valve and evaporator, high pressure generator steam (vapor) outlet
End is connected with the first low pressure generator steam inlet end, the first low pressure generator steam (vapor) outlet end and condenser shell side first into
Mouth end is connected, and the second low pressure generator steam (vapor) outlet end is connected with the second input end of condenser shell side, and condenser shell side goes out
Mouth end is connected by expansion valve with evaporator shell side input end, and evaporator shell side outlet end is connected with the second input end of absorber
It connects.
Further, the fume afterheat cycling element includes flue and chimney, flue gas exit and high pressure generator
Tube side input end is connected, and high pressure generator tube side outlet end is connected with high-temperature solution heat exchanger tube side input end, high temperature
Solution heat exchanger tube side outlet end is connected with chimney.
The present invention has the advantages that compared with prior art.
The present invention makes full use of the waste heat in steam power plant and boiler smoke, while using solar energy as auxiliary drive energy
Source can fill up steam power plant's summer thermic load low ebb, improve the economy of steam power plant, and save air conditioning electricity, reduce power grid
Peak-valley difference improves the comprehensive energy utilization rate of economic power system and power plant, alleviates environmental pollution, realize huge society
Benefit and economic benefit meet country and call energy saving policy.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
In figure, 1 be flue 2 be high pressure generator 3 be balanced valve 4 is the first low pressure generator
5 be cooling water recirculation system
5-1 is that condenser 5-2 is cooling tower
6 be expansion valve
7 be freezing water circulation system
7-1 is that evaporator 7-2 is air conditioning terminal
8 be first flow regulating valve 9 be absorber 10 be absorber 11 be second flow regulating valve
12 be chimney 13 be high-temperature solution heat exchanger 14 be third flow control valve
15 be solar energy heating cycling element
It is solar thermal collector 15-3 is heat-exchanger pump that 15-1, which is the second low pressure generator 15-2,
15-4 is hot water storage tank
16 be cryogenic fluid heat exchanger.
Specific embodiment
As shown in Figure 1, the double-effect lithium bromide absorption type refrigerating plant packet of fume afterheat of the present invention and solar energy coupling driving
It includes: lithium-bromide solution cycling element, refrigerant circulation unit, fume afterheat cycling element and solar energy heating cycling element.Bromine
Change lithium solution cycling element to be used to absorb in high pressure generator 2 high by absorbing the cryogen in evaporator 7-1 in absorber 9
Temperature-heat-source separates solution and solvent, and the refrigerant vapor of generation enters condenser 5-1, and the solution of concentration is entered by heat exchanger
Absorber 9；Refrigerant circulation unit is used for the condensation and evaporation of cryogen, provides required cooling capacity；Fume afterheat cycling element
As main drive energy, heats lithium bromide weak solution and generate refrigerant vapor and concentrated solution；Solar energy heating cycling element 15
As the auxiliary drive energy, using solar energy as the heat source of the second low pressure generator 15-1.
Lithium-bromide solution cycling element includes: high pressure generator 2, balanced valve 3, the first low pressure generator 4, first flow tune
Save valve 8, absorber 9, absorber 10, second flow regulating valve 11, high-temperature solution heat exchanger 13, third flow control valve 14
With cryogenic fluid heat exchanger 16；The taphole end of absorber 9 is connected with the input end of absorber 10, absorber 10
Outlet end is divided into two branches, and a branch is connect with the shell side input end of high-temperature solution heat exchanger 13, another branch and third
One end of flow control valve 14 is connected；The shell-side outlet end of high-temperature solution heat exchanger 13 and the solution inlet port of high pressure generator 2
End is connected, and the taphole end of high pressure generator 2 is connected with one end of balanced valve 3, the other end of balanced valve 3 and the first low pressure
The solution inlet port end of generator 4 is connected, the taphole end of the first low pressure generator 4 and the shell of high-temperature solution heat exchanger 13
Journey input end is connected, and the shell-side outlet end of high-temperature solution heat exchanger 13 is connected with one end of second flow regulating valve 11,
The other end of second flow regulating valve 11 is connected with the first input end of absorber 9, completes the circulation of a branch；Another
Road is connected with 14 input end of third flow control valve, the outlet end of third flow control valve 14 and cryogenic fluid heat exchanger 16
Shell side input end be connected, the import at the shell-side outlet end of cryogenic fluid heat exchanger 16 and the second low pressure generator 15-1 solution
End is connected, and the taphole end of the second low pressure generator 15-1 is connected with the tube side input end of cryogenic fluid heat exchanger 16,
The tube side outlet end of cryogenic fluid heat exchanger 16 is connected with the input end of first flow regulating valve 8, first flow regulating valve 8
Outlet end is connected with the second input end of absorber 9, completes the circulation of another branch.The circulation of two branches carries out always,
It ensure that the lasting progress of solution circulation.
Refrigerant circulation unit includes: condenser 5-1, expansion valve 6 and evaporator 7-1.10 one end of absorber and absorption
9 taphole end of device is connected, and the other end is adjusted with 13 the first input end of shell side of high-temperature solution heat exchanger and third flow respectively
Valve 14 is connected；13 shell side first exit end of high-temperature solution heat exchanger is connected with 2 solution inlet port end of high pressure generator, high pressure
Raw 2 taphole end of device is connected with 3 one end of balanced valve, 3 other end of balanced valve and 4 solution inlet port end phase of the first low pressure generator
Even, 2 steam (vapor) outlet end of high pressure generator is connected with 4 steam inlet end of the first low pressure generator, 4 steam of the first low pressure generator
Outlet end is connected with condenser 5-1 shell side；14 outlet end of third flow control valve and 16 shell side of cryogenic fluid heat exchanger into
Mouth end is connected, and 16 shell-side outlet end of cryogenic fluid heat exchanger is connected with the second low pressure generator 15-1 solution inlet port end,
Second low pressure generator 15-1 steam (vapor) outlet end is connected with condenser 5-1 shell side input end, condenser 5-1 shell-side outlet and expansion
6 one end of valve is connected, and 6 other end of expansion valve is connected with evaporator 7-1 shell side input end, evaporator 7-1 shell-side outlet end and absorption
Device 9 is connected.
Fume afterheat cycling element includes: flue 1 and chimney 12,1 smoke outlet of flue and 2 tube side of high pressure generator into
Mouth end is connected, and 2 tube side outlet end of high pressure generator is connected with 13 tube side input end of high-temperature solution heat exchanger, pyrosol
13 tube side outlet end of heat exchanger is connected with chimney 12.
Solar energy heating cycling element includes: the second low pressure generator 15-1, solar thermal collector 15-2, heat-exchanger pump 15-
3, hot water storage tank 15-4；Heat-exchanger pump 15-3 water outlet is connected with hot water storage tank 15-4 water inlet, hot water storage tank 15-4 water outlet with
Second low pressure generator 15-1 tube side input end is connected, the second low pressure generator 15-1 tube side outlet end and solar thermal collector
15-2 water inlet is connected, and solar thermal collector 15-2 water outlet is connected with heat-exchanger pump 15-3 water inlet.
At work, the weak solution come out from absorber 9 is by being divided into two-way after absorber 10, all the way for apparatus of the present invention
By high-temperature solution heat exchanger 13, another way reaches cryogenic fluid heat exchanger 16 by third flow control valve 14；It reaches
Weak solution in high-temperature solution heat exchanger 13 absorbs the heat of the flue gas from high pressure generator 2 and occurs from the first low pressure
The heat that the concentrated solution of device 4 is released, finally enters high pressure generator 2.Weak solution after absorbing heat is inhaled in high pressure generator 2
The heat from 1 flue gas of flue is received, the moisture in solution is gradually evaporated, and solution concentration increases；Centre after concentration is dense
The lithium-bromide solution of degree enters the first low pressure generator 4 by balanced valve 3, continues to absorb the vapor from high pressure generator 2
The heat of releasing generates more vapor, and the solution of intermediate concentration, which continues concentration, becomes highly concentrated solution；Highly concentrated solution warp
It crosses high-temperature solution heat exchanger 13 to exchange with the weak solution progress heat from absorber 10, then passes through second flow and adjust
Valve 11 returns in absorber 9, and spray fog-like releases heat on cooling water pipe, while absorbing the water steaming for carrying out flash-pot 7-1
Gas is diluted to weak solution, so as to complete the circulation of a branch of lithium-bromide solution；It is reached by third flow control valve 14
The weak solution of cryogenic fluid heat exchanger 16 absorbs the heat that the concentrated solution from the second low pressure generator 15-1 is released, temperature
It increases, then reaches the second low pressure generator 15-1, weak solution is absorbed in the second low pressure generator 15-1 from hot water storage tank
The heat that the hot water of 15-4 is released, the moisture in solution are evaporated out, and solution concentration increases, and the solution of high concentration passes through at this time
Cryogenic fluid heat exchanger 16 is released heat, is returned in absorber 9 finally by first flow regulating valve 8, in absorber 9
Spray fog-like continues to release heat on cooling water pipe, while absorbing the vapor for carrying out flash-pot 7-1；Two branches are molten
Liquid mixing absorbs vapor, and dilution becomes weak solution, so as to complete solution circulation.
The vapor generated in the first low pressure generator 4 is together with the vapor generated in the second low pressure generator 15-1
Into in condenser 5-1, heat is released to cooling water pipe in condenser 5-1, condenses into water, by expansion valve 6, subsequently into
Evaporator 7-1, lithium-bromide solution produce vacuum condition, Jin Erchuan by the absorption of absorber 9 inside evaporator 7-1
Low temperature, environment under low pressure have been made, has sprayed on chilled water pipe, absorbs into the water in evaporator 7-1 is fog-like under environment under low pressure
The heat of chilled water is finally entered in absorber 9, is absorbed by concentrated solution to vaporize, so that concentrated solution is diluted to weak solution, it is complete
At the circulation of refrigerant.The double-effect lithium bromide absorption type that fume afterheat and solar energy coupling driving has been achieved freezes.
After flue gas in flue 1 enters high pressure generator 2, heat is released to the weak solution from high-temperature solution heat exchanger 13
Amount, subsequently into high-temperature solution heat exchanger 13, always the weak solution of self-absorption device 9 releases heat again, finally enters cigarette
Chimney 12 is discharged into atmosphere, realizes a fume afterheat circulation.
Under the action of heat-exchanger pump 15-3, the hot water in hot water storage tank 15-4 enters in the second low pressure generator 15-1, puts
Heat gives the weak solution from cryogenic fluid heat exchanger 16 out, and the moisture in solution is evaporated out, and hot water temperature reduces, low
Warm water enters in solar thermal collector, absorbs the energy in solar radiation, the temperature of water increases, in the effect of heat-exchanger pump 15-3
Under, hot water is stored in hot water storage tank 15-4, to realize solar energy heating circulation.
It is followed in lithium-bromide solution cycling element, refrigerant circulation unit, fume afterheat cycling element and solar energy heating
Under the collective effect of ring element, the double-effect lithium bromide absorption type for realizing fume afterheat and solar energy coupling driving freezes.
Although being particularly shown and describing the present invention, those skilled in the art referring to its exemplary embodiment
It should be understood that in the case where not departing from the spirit and scope of the present invention defined by claim form can be carried out to it
With the various changes in details.
Claims (5)
1. the double-effect lithium bromide absorption type refrigerating plant of a kind of fume afterheat and solar energy coupling driving, it is characterised in that: including
Lithium-bromide solution cycling element, refrigerant circulation unit, fume afterheat cycling element and solar energy heating cycling element (15),
Lithium-bromide solution cycling element is used for by absorbing the cryogen in evaporator (7-1) in absorber (9), in high pressure generator
(2) high temperature heat source is absorbed in separates solution and solvent, and the refrigerant vapor of generation enters condenser (5-1), and the solution of concentration is logical
Over-heat-exchanger enters absorber (9)；
Refrigerant circulation unit is used for the condensation and evaporation of cryogen, provides required cooling capacity；
Fume afterheat cycling element heats lithium bromide weak solution and generates refrigerant vapor and concentrated solution as main drive energy；
Solar energy heating cycling element (15) is used as the auxiliary drive energy, using solar energy as the second low pressure generator (15-1)
Heat source.
2. the double-effect lithium bromide absorption type refrigerating plant of fume afterheat according to claim 1 and solar energy coupling driving,
It is characterized by: the solar energy heating cycling element (15) includes the second low pressure generator (15-1), solar thermal collector
(15-2), heat-exchanger pump (15-3) and hot water storage tank (15-4)；The water outlet and heat-exchanger pump (15-3) of solar thermal collector (15-2)
Water inlet is connected, and heat-exchanger pump (15-3) water outlet is connected with hot water storage tank (15-4) water inlet, hot water storage tank (15-4) water outlet
Mouth is connected with the second low pressure generator (15-1) tube side input end, the second low pressure generator (15-1) tube side outlet end and the sun
Energy heat collector (15-2) water inlet is connected.
3. the double-effect lithium bromide absorption type refrigerating plant of fume afterheat according to claim 2 and solar energy coupling driving,
It is characterized by: the lithium-bromide solution cycling element includes occurring including high pressure generator (2), balanced valve (3), the first low pressure
Device (4), first flow regulating valve (8), absorber (9), absorber (10), second flow regulating valve (11), pyrosol heat
Exchanger (13), third flow control valve (14) and cryogenic fluid heat exchanger (16), the taphole end of absorber (9) and suction
The input end for receiving device pump (10) is connected, and the outlet end of absorber (10) is divided into two branches, and a branch and pyrosol heat are handed over
The first input end of shell side of parallel operation (13) connects, and another branch is connected with the one end of third flow control valve (14)；Pyrosol
The shell side first exit end of heat exchanger (13) is connected with the solution inlet port end of high pressure generator (2), high pressure generator (2)
Taphole end is connected with the one end of balanced valve (3), the solution of the other end of balanced valve (3) and the first low pressure generator (4) into
Mouth end is connected, second import of shell side at the taphole end and high-temperature solution heat exchanger (13) of the first low pressure generator (4)
End is connected, and the shell side second outlet end of high-temperature solution heat exchanger (13) is connected with one end of second flow regulating valve (11)
It connects, the other end of second flow regulating valve (11) is connected with the first input end of absorber (9), completes following for a branch
Ring；Another branch is connected with third flow control valve (14) input end, the outlet end of third flow control valve (14) and low temperature
The shell side input end of solution heat exchanger (16) is connected, and the shell-side outlet end of cryogenic fluid heat exchanger (16) is low with described second
The input end of generator (15-1) solution is pressed to be connected, the taphole end of second low pressure generator (15-1) and cryogenic fluid
The tube side input end of heat exchanger (16) is connected, and the tube side outlet end of cryogenic fluid heat exchanger (16) and first flow are adjusted
The input end of valve (8) is connected, and (8) outlet end of first flow regulating valve is connected with the second input end of absorber (9), completes another
The circulation of one branch.
4. the double-effect lithium bromide absorption type refrigerating plant of fume afterheat according to claim 3 and solar energy coupling driving,
It is characterized by: the refrigerant circulation unit includes condenser (5-1), expansion valve (6) and evaporator (7-1), high pressure occurs
Device (2) steam (vapor) outlet end is connected with the first low pressure generator (4) steam inlet end, the first low pressure generator (4) steam (vapor) outlet
End is connected with condenser (5-1) first input end of shell side, the second low pressure generator (15-1) steam (vapor) outlet end and condenser (5-
1) the second input end of shell side is connected, condenser (5-1) shell-side outlet end by expansion valve (6) and evaporator (7-1) shell side into
Mouth end is connected, and evaporator (7-1) shell-side outlet end is connected with (9) second input end of absorber.
5. fume afterheat according to claim 1 to 4 and the double-effect lithium bromide absorption type of solar energy coupling driving freeze
Device, it is characterised in that: the fume afterheat cycling element includes flue (1) and chimney (12), flue (1) smoke outlet with
High pressure generator (2) tube side input end is connected, and high pressure generator (2) tube side outlet end and high-temperature solution heat exchanger (13) are managed
Journey input end is connected, and high-temperature solution heat exchanger (13) tube side outlet end is connected with chimney (12).
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| CN201811430029.8A CN109631393A (en) | 2018-11-28 | 2018-11-28 | The double-effect lithium bromide absorption type refrigerating plant of fume afterheat and solar energy coupling driving |
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| CN201811430029.8A CN109631393A (en) | 2018-11-28 | 2018-11-28 | The double-effect lithium bromide absorption type refrigerating plant of fume afterheat and solar energy coupling driving |
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Cited By (5)
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| CN110375458A (en) * | 2019-07-19 | 2019-10-25 | 吉林省威斯特固废处理有限公司 | The recycling system and cracking reduction treatment equipment of high-temperature flue gas |
| CN110822763A (en) * | 2019-11-05 | 2020-02-21 | 石河子大学 | Power plant waste heat recovery system capable of achieving double-effect operation |
| CN112432384A (en) * | 2020-11-27 | 2021-03-02 | 北京石油化工学院 | Energy-saving system based on power type heat pipe and absorption type solar refrigeration |
| CN113623707A (en) * | 2021-07-19 | 2021-11-09 | 西安交通大学 | Multi-heat-source driving injection-absorption composite heat pump system and working method thereof |
| CN115957587A (en) * | 2022-12-20 | 2023-04-14 | 东莞理工学院 | Solar integrated open type flue gas heat and humidity treatment system and method |
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| CN110822763B (en) * | 2019-11-05 | 2021-07-27 | 石河子大学 | Power plant waste heat recovery system capable of achieving double-effect operation |
| CN112432384A (en) * | 2020-11-27 | 2021-03-02 | 北京石油化工学院 | Energy-saving system based on power type heat pipe and absorption type solar refrigeration |
| CN113623707A (en) * | 2021-07-19 | 2021-11-09 | 西安交通大学 | Multi-heat-source driving injection-absorption composite heat pump system and working method thereof |
| CN115957587A (en) * | 2022-12-20 | 2023-04-14 | 东莞理工学院 | Solar integrated open type flue gas heat and humidity treatment system and method |
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Application publication date: 20190416 |