CN209263411U - Absorption type heat exchange system - Google Patents

Absorption type heat exchange system Download PDF

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Publication number
CN209263411U
CN209263411U CN201821567487.1U CN201821567487U CN209263411U CN 209263411 U CN209263411 U CN 209263411U CN 201821567487 U CN201821567487 U CN 201821567487U CN 209263411 U CN209263411 U CN 209263411U
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CN
China
Prior art keywords
temperature
fluid
heat exchange
heat
absorption
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CN201821567487.1U
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Chinese (zh)
Inventor
竹村与四郎
青山淳
平田甲介
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Ebara Refrigeration Equipment and Systems Co Ltd
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Ebara Refrigeration Equipment and Systems Co Ltd
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Priority to JP2017-201151 priority Critical
Priority to JP2017201151A priority patent/JP2019074271A/en
Application filed by Ebara Refrigeration Equipment and Systems Co Ltd filed Critical Ebara Refrigeration Equipment and Systems Co Ltd
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Publication of CN209263411U publication Critical patent/CN209263411U/en
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT-PUMP SYSTEMS
    • F25B30/00Heat pumps
    • F25B30/06Heat pumps characterised by the source of low potential heat
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT-PUMP SYSTEMS
    • F25B30/00Heat pumps
    • F25B30/04Heat pumps of the sorption type
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT-PUMP SYSTEMS
    • F25B33/00Boilers; Analysers; Rectifiers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT-PUMP SYSTEMS
    • F25B37/00Absorbers; Adsorbers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT-PUMP SYSTEMS
    • F25B39/00Evaporators; Condensers
    • F25B39/02Evaporators
    • F25B39/026Evaporators specially adapted for sorption type systems
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT-PUMP SYSTEMS
    • F25B39/00Evaporators; Condensers
    • F25B39/04Condensers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT-PUMP SYSTEMS
    • F25B41/00Fluid-circulation arrangements
    • F25B41/20Disposition of valves, e.g. of on-off valves or flow control valves
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT-PUMP SYSTEMS
    • F25B43/00Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28DHEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D21/00Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28DHEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D21/00Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
    • F28D2021/0019Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
    • F28D2021/0068Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for refrigerant cycles
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00Adapting or protecting infrastructure or their operation
    • Y02A30/27Relating to heating, ventilation or air conditioning [HVAC] technologies
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/62Absorption based systems

Abstract

Absorption type heat exchange system provided by the utility model, can different two kinds of taking-out temperature be heated fluid.Absorption type heat exchange system has: making the absorption portion of the first temperature rising for being heated fluid by heat is absorbed, the condensation part for increase the second temperature for being heated fluid by condensation heat, the evaporation part captured evaporation latent heat from heating source fluid and reduce the temperature of heating source fluid, capturing from heating source fluid makes to come the reproducing unit that the weak solution in self-absorption portion reduces the temperature of heating source fluid (FH) as heat required for concentrated solution, and the heat exchange department of progress heat exchange between fluid and the fluid that heats up is heated in second flowed out from condensation part, it is recycled by the sorption type heat pump of absorbing liquid and refrigerant, the pressure and temp of the inside of absorption portion and evaporation part is higher than the pressure and temp of reproducing unit and the inside of condensation part.

Description

Absorption type heat exchange system
Technical field
The utility model relates to absorption type heat exchange system, more particularly to can different two kinds of taking-out temperature be heated The absorption type heat exchange system of fluid.
Background technique
Heat exchanger is widely used as the device for exchanging heat between the fluid of high temperature and the fluid of low temperature.At two In the heat exchanger for directly carrying out heat exchange between fluid, the temperature of the fluid of the fluid and high temperature of the low temperature flowed out after heat exchange Exchange the comparable temperature of heat as with the two (referring for example to Japanese documentation 1).
Patent document 1: No. 5498809 bulletins of Japanese Patent No. (referring to Fig.1 1 etc.)
One of purposes as heat exchanger, can enumerate recovery waste heat.Waste heat is the heat for not using and giving up, therefore can The heat of recycling is more, can more effectively utilize heat.In the heat side using recycling, different two kinds of temperature are being needed When fluid, if can two kinds of different fluids of taking-out temperature, can be realized the effective use of the heat of recycling.
Utility model content
The utility model in view of the above subject, and it is an object of the present invention to provide it is a kind of can different two kinds of taking-out temperature be heated stream The absorption type heat exchange system of body.
To achieve the goals above, the absorption type heat exchange system of the first method of the utility model, such as such as Fig. 1 institute Show have: absorption portion 10 becomes the weak solution Sw after concentration reduction by the steam Ve for absorbing refrigerant in absorbing liquid Sa When discharge absorption heat, make first be heated fluid FL1 temperature rise;Condensation part 40, by the steam Vg in refrigerant The condensation heat discharged when condensing and becoming refrigerant liquid Vf rises the second temperature for being heated fluid FL2;Evaporation part 20, Refrigerant liquid Vf is imported from condensation part 40, and captures the refrigerant liquid Vf evaporation in importing from heating source fluid FH and becomes to suction Required evaporation latent heat, reduces the temperature of heating source fluid FH when the steam Ve for the refrigerant that receipts portion 10 supplies;Reproducing unit 30, weak solution Sw is imported from absorption portion 10, and capture from heating source fluid FH and heated to the weak solution Sw of importing, make to make Cryogen Vg is detached from from weak solution Sw and becomes heat required for the concentrated solution Sa after concentration rises, to make heating source fluid FH's Temperature reduces;And heat exchange department 80, in condensation part 40 temperature rise after second be heated fluid FL2, with make cold Heat exchange is carried out between the heating fluid FH that second after temperature rises in solidifying portion 40 temperature for being heated fluid FL2 rises, and And constitute are as follows: by the sorption type heat pump of absorbing liquid Sa, Sw and refrigerant Ve, Vf, Vg recycle, the pressure of the inside in absorption portion 10 and Temperature is higher than the pressure and temperature of the inside of reproducing unit 30, the inside of the pressure and temperature of the inside of evaporation part 20 than condensation part 40 Pressure and temperature it is high.
If constituting in this way, can different two kinds of taking-out temperature be heated fluid.
In addition, the absorption type heat exchange system of the second method of the utility model, such as shown in Figure 1, in above-mentioned reality On the basis of the absorption type heat exchange system 1 of novel first method, have gas-liquid separator 16, will add in absorption portion 10 First after heat is heated fluid FL1 importing, and is separated into the first liquid Fr and steam Fv for being heated fluid FL1.
If constituting in this way, the first high steam for being heated fluid of utility value can be taken out.
In addition, the absorption type heat exchange system of the Third Way of the utility model, such as shown in Figure 1, in above-mentioned reality On the basis of absorption type heat exchange system 1 with novel first method or second method, heat exchange department 80 is constituted are as follows: will steamed Heating source fluid FH after temperature reduces in hair portion 20 and the heating source fluid FH in reproducing unit 30 after temperature reduction are at least One side imports as heating fluid.
If constituting in this way, heat can be further recycled from the heating source fluid that self-absorption formula heat-exchange system is discharged.
In addition, the absorption type heat exchange system of the fourth way of the utility model, such as shown in figure 3, in above-mentioned reality On the basis of the absorption type heat exchange system 2 of formula either in novel first method~Third Way, heat exchange department 80 It constitutes are as follows: make a part of heating source fluid FHs of the heating source fluid FH branch before importing evaporation part 20 and reproducing unit 30 It is imported for heating fluid.
If constituting in this way, the temperature that second flowed out from heat exchange department is heated fluid can be improved.
In addition, the absorption type heat exchange system of the 5th mode of the utility model, such as shown in figure 3, in above-mentioned reality On the basis of the absorption type heat exchange system 2 of novel fourth way, set flow into evaporation part 20 and reproducing unit 30 plus The ratio between the flow of the heating source fluid FHs of the flow and inflow heat exchange department 80 of heat source fluid FH, so as to be flowed from heat exchange department 80 The temperature that second out is heated fluid FL2 becomes defined temperature.
If constituting in this way, the second temperature for being heated fluid flowed out from heat exchange department can be set as defined temperature Degree.
In addition, the absorption type heat exchange system of the 6th mode of the utility model, for example, as shown in figure 4, in above-mentioned reality On the basis of the absorption type heat exchange system 3 of formula either in novel first method~the 5th mode, constitute are as follows: will be from A part of heating source fluid FH of heating source fluid FH branch before importing evaporation part 20 and reproducing unit 30, is heated as first Fluid FL1 and import absorption portion 10.
If in this way constitute, can make first be heated fluid temperature it is higher than the temperature of the heating source fluid after branch.
In addition, the absorption type heat exchange system of the 7th mode of the utility model, such as shown in figure 5, in above-mentioned reality On the basis of the absorption type heat exchange system 4 of formula either in novel first method~the 6th mode, has refrigerant Heat exchanger 99, in the refrigerant liquid Vf conveyed from condensation part 40 to evaporation part 20 and the heating stream from the outflow of heat exchange department 80 Heat exchange is carried out between body FH.
If constituting in this way, it can reduce the temperature of the heating fluid flowed out from absorption type heat exchange system, can increase From the heat of heating fluid recovery in absorption type heat exchange system.
To achieve the goals above, the absorption type heat exchange system of the eighth mode of the utility model, such as such as Fig. 6 institute Show have: absorption portion 10 becomes the weak solution Sw after concentration reduction by the steam Ve for absorbing refrigerant in absorbing liquid Sa When discharge absorption heat, make first be heated fluid FL1 temperature rise;Condensation part 40, by the steam Vg in refrigerant The condensation heat discharged when condensing and becoming refrigerant liquid Vf rises the second temperature for being heated fluid FL2;Evaporation part 20, Refrigerant liquid Vf is imported from condensation part 40, and captures the refrigerant liquid Vf evaporation in importing from heating source fluid FH and becomes to suction Required evaporation latent heat when the steam Ve for the refrigerant that receipts portion 10 supplies, so that making the temperature of heating source fluid FH reduces;With And reproducing unit 30, weak solution Sw is imported from absorption portion 10, and capture from heating source fluid FH and add to the weak solution of importing Heat makes refrigerant be detached from from weak solution Sw and become heat required for the concentrated solution Sa after concentration rises, to make to heat source stream The temperature of body FH reduces, and constitutes are as follows: is recycled, is absorbed by the sorption type heat pump of absorbing liquid Sa, Sw and refrigerant Ve, Vf, Vg The pressure and temperature of the inside in portion 10 is higher than the pressure and temperature of the inside of reproducing unit 30, the pressure and temperature of the inside of evaporation part 20 Degree is higher than the pressure and temperature of the inside of condensation part 40, and the absorption type heat exchange system is also equipped with medium temperature heat loss equipment 64, The medium temperature heat loss equipment 64 is heated fluid FL2 for flow out from condensation part 40 second and imports, and is heated fluid with second The heat that FL2 possesses needs the substance that heats to heat.
If constituting in this way, can different two kinds of taking-out temperature be heated fluid and effectively utilize.
According to the utility model, can different two kinds of taking-out temperature be heated fluid.
Detailed description of the invention
Fig. 1 is the system diagram of the signal of the absorption type heat exchange system of the first embodiment of the utility model.
Fig. 2 is the system of the signal of the absorption type heat exchange system of the variation of the first embodiment of the utility model Figure.
Fig. 3 is the system diagram of the signal of the absorption type heat exchange system of the second embodiment of the utility model.
Fig. 4 is the system diagram of the signal of the absorption type heat exchange system of the third embodiment of the utility model.
Fig. 5 is the system diagram of the signal of the absorption type heat exchange system of the 4th embodiment of the utility model.
Fig. 6 is the system diagram of the signal of the absorption type heat exchange system of the 5th embodiment of the utility model.
Description of symbols: 1 ... absorption type heat exchange system;10 ... absorbers;16 ... gas-liquid separators;20 ... evaporations Device;30 ... regenerators;40 ... condensers;64 ... medium temperature heat loss equipment;80 ... heat exchange departments;99 ... refrigerant heat exchangers; The first cryogen of FL1 ...;The second cryogen of FL2 ...;FH ... high temperature fluid;The part FHs ... high temperature fluid;Sa ... is dense molten Liquid;Sw ... weak solution;Ve ... evaporator refrigerant steam;Vf ... refrigerant liquid;Vg ... regenerator refrigerant vapour
Specific embodiment
Hereinafter, being illustrated referring to attached drawing to the embodiments of the present invention.In addition, to identically or comparably in each figure Component mark same or similar appended drawing reference, and the repetitive description thereof will be omitted.
With reference first to Fig. 1, illustrate the absorption type heat exchange system 1 of the first embodiment of the utility model.Fig. 1 is to absorb The system diagram of the signal of formula heat-exchange system 1.Absorption type heat exchange system 1 is followed using the sorption type heat pump of absorbing liquid and refrigerant Ring, the system for carrying out the heat exchange of the first cryogen FL1 and the second cryogen FL2 and high temperature fluid FH.Here, first is low Warm fluid FL1 and the second cryogen FL2 is the fluid for becoming the object for increase temperature in absorption type heat exchange system 1, First cryogen FL1 is equivalent to first and is heated fluid, and the second cryogen FL2 is equivalent to second and is heated fluid.High temperature Fluid FH is the fluid that temperature reduces in absorption type heat exchange system 1, is equivalent to heating source fluid.Absorption type heat exchange system 1 has the absorption for constituting the capital equipment that the sorption type heat pump for carrying out absorbing liquid S (Sa, Sw) and refrigerant V (Ve, Vg, Vf) recycles Device 10, evaporator 20, regenerator 30 and condenser 40, are also equipped with heat exchange department 80.Absorber 10, evaporator 20, regenerator 30, condenser 40 is respectively equivalent to absorption portion, evaporation part, reproducing unit, condensation part.
In the present specification, about absorbing liquid, in order to be easy to distinguish on heat pump cycle, according on character, heat pump cycle Position and be known as " weak solution Sw ", " concentrated solution Sa " etc., but " absorbing liquid S " is referred to as when ignoring character etc..Equally, about Refrigerant is known as " evaporator refrigerant according to the position on character, heat pump cycle to be easy to distinguish on heat pump cycle Steam Ve ", " regenerator refrigerant vapour Vg ", " refrigerant liquid Vf " etc., but " refrigerant V " is referred to as when ignoring character etc.. In the present embodiment, use LiBr aqueous solution as absorbing liquid S (mixture of absorbent and refrigerant V), use water (H2O) As refrigerant V.
There is the heat-transfer pipe 12 for the flow path for constituting the first cryogen FL1 and the table to heat-transfer pipe 12 inside absorber 10 The concentrated solution feedway 13 of face supply concentrated solution Sa.Absorber 10 is supplied from concentrated solution feedway 13 to the surface of heat-transfer pipe 12 Concentrated solution Sa is given, is generated when concentrated solution Sa absorbs evaporator refrigerant steam Ve and becomes weak solution Sw and absorbs heat.It constitutes are as follows: The the first cryogen FL1 flowed in heat-transfer pipe 12 absorbs absorption heat, so that the first cryogen FL1 is heated.
The absorption type heat exchange system 1 of present embodiment has gas-liquid separator 16, which will absorb The heat-transfer pipe 12 of device 10 flows and the first cryogen FL1 being heated is separated into liquid and steam.Gas-liquid separator 16 and biography Heat pipe 12 is connected by heated fluid pipe 17 and separation liquid pipe 18.Heated fluid pipe 17 will be after heat-transfer pipe 12 flows and heats The first cryogen FL1 to gas-liquid separator 16 guide.Liquid pipe 18 is separated by first after heat-transfer pipe 12 flows and heats Liquid after cryogen FL1 is separated in gas-liquid separator 16 separates liquid Fr to the guidance of heat-transfer pipe 12.In addition, in gas-liquid The top (representative is top) of separator 16 is connected with one end of separation steam pipe 19.Separating steam pipe 19 will be in heat-transfer pipe Steam after the first cryogen FL1 after 12 flowings and heating is separated in gas-liquid separator 16 separates steam Fv to absorption It is guided outside formula heat-exchange system 1.In addition, being provided with supplement ingress pipe 18s, imports and be used for outside absorption type heat exchange system 1 Supplement is supplied mainly as steam to the additive liq Fs of the first cryogen FL1 of the amount outside absorption type heat exchange system 1. Supplement ingress pipe 18s is configured to be connected to separation liquid pipe 18, make additive liq Fs in the separation liquid for separating liquid pipe 18 and flowing The interflow Fr.It is equipped in supplement ingress pipe 18s towards the additive liq of separation 18 pressurized delivered additive liq Fs of liquid pipe and pumps 18p. It is configured to lead as the first cryogen FL1 to the heat-transfer pipe 12 of absorber 10 in the separation liquid Fr that separation liquid pipe 18 flows Enter.
Evaporator 20 has the heat source tube 22 for the flow path for constituting high temperature fluid FH in the inside of evaporator tank body 21.Evaporator 20 do not have the nozzle to distribution refrigerant liquid Vf inside evaporator tank body 21.Therefore heat source tube 22 is stored in steaming with immersion is set as Send out the refrigerant liquid Vf (flooded evaporator) in device tank body 21.Evaporator 20 is configured to the refrigerant liquid Vf on 22 periphery of heat source tube It is evaporated because of the heat of the high temperature fluid FH flowed in heat source tube 22, to generate evaporator refrigerant steam Ve.In evaporator Tank body 21 connects the refrigerant liquid pipe 45 of supply refrigerant liquid Vf in oriented evaporator tank body 21.
Absorber 10 and evaporator 20 are interconnected.It is configured to by being connected to absorber 10 with evaporator 20, thus, it is possible to It is enough to supply the evaporator refrigerant steam Ve generated in evaporator 20 to absorber 10.
Regenerator 30 includes the high temperature fluid FH for heat dilute solution Sw in the heat source tube 32 of internal flow and will be dilute molten The weak solution feedway 33 of the surface supply of liquid Sw heat source pipe 32.In the present embodiment, it is flowed in heat source tube 32 High temperature fluid FH becomes the high temperature fluid FH after flowing in the heat source tube 22 of evaporator 20.The heat source tube 22 of evaporator 20 with again The heat source tube 32 of raw device 30 is connected by the high temperature fluid connecting tube 25 flowed for high temperature fluid FH.In the heat source tube 32 of regenerator 30 The end with the end opposite side for being connected with high temperature fluid connecting tube 25, be connected with high temperature fluid discharge pipe 39.High-temperature stream Body discharge pipe 39 is constituted the pipe of the high temperature fluid FH flow path guided to outside system.Regenerator 30 is configured to supply from weak solution The weak solution Sw that device 33 supplies is heated by high temperature fluid FH, and thus refrigerant V evaporates from weak solution Sw and generates concentration and rise Concentrated solution Sa afterwards.It is configured to the refrigerant V evaporated from weak solution Sw as regenerator refrigerant vapour Vg to move to condenser 40 It is dynamic.
Condenser 40 has the heat-transfer pipe 42 for the second cryogen FL2 flowing in the inside of condenser tank body 41.Condensation Device 40 is constituted are as follows: is imported the regenerator refrigerant vapour Vg generated in regenerator 30, when its condensation becomes refrigerant liquid Vf The second cryogen FL2 that the condensation heat of release is flowed in heat-transfer pipe 42 absorbs, so that the second cryogen FL2 is added Heat.Heat-transfer pipe 42 is connected with the second low temperature at one end and flows into pipe 48, is connected with the second low temperature discharge pipe 49 in the other end.Second is low Temperature flows into pipe 48 and supplies the second cryogen FL2 to heat-transfer pipe 42.Second cryogen discharge pipe 49 in heat-transfer pipe 42 for heating The second cryogen FL2 flowing afterwards.In a manner of making regenerator 30 and condenser 40 be interconnected, by the tank body of regenerator 30 It is integrally formed with condenser tank body 41.It is configured to by being connected to regenerator 30 with condenser 40, thus, it is possible to will regenerate The regenerator refrigerant vapour Vg that device 30 generates is supplied to condenser 40.
The part of the storage concentrated solution Sa of regenerator 30 and the concentrated solution feedway 13 of absorber 10, by for concentrated solution Sa The concentrated solution pipe 35 of flowing connects.The solution pump 35p of pressurized delivered concentrated solution Sa is equipped in concentrated solution pipe 35.Absorber 10 Part and the weak solution feedway 33 for storing weak solution Sw, are connected by the weak solution pipe 36 flowed for weak solution Sw.Dense molten Liquid pipe 35 and weak solution pipe 36 are equipped with the solution heat exchanger 38 that heat exchange is carried out between concentrated solution Sa and weak solution Sw.It is cold The part of the storing refrigerant liquid Vf of condenser 40 and evaporator tank body 21, are connected by the refrigerant liquid pipe 45 flowed for refrigerant liquid Vf It connects.The refrigerated medium pump 46 of pressurized delivered refrigerant liquid Vf is equipped in refrigerant liquid pipe 45.
Heat exchange department 80 is constituted are as follows: is disposed in high temperature fluid discharge pipe 39 and the second low temperature discharge pipe 49, is made in high-temperature stream The high temperature fluid FH that body discharge pipe 39 flows carries out hot friendship in the second cryogen FL2 of the second low temperature discharge pipe 49 flowing It changes.In the present embodiment, the high temperature fluid FH after temperature reduces in evaporator 20 and regenerator 30 is as heating fluid hair Function is waved, carries out heat exchange with the second cryogen FL2.Heat exchange department 80 is typically made of shell and tube heat exchanger, but It is also possible to the equipment of the heat exchange between two fluids such as heat-exchangers of the plate type.
Absorption type heat exchange system 1 is in normal operation, and the pressure and temperature of the inside of absorber 10 is than regenerator 30 Internal pressure and temperature is high, and the pressure and temperature of the inside of evaporator 20 is higher than the pressure and temperature of the inside of condenser 40. Absorber 10, evaporator 20, regenerator 30, the condenser 40 of absorption type heat exchange system 1 become the structure of second of sorption type heat pump At.
With continued reference to Fig. 1, illustrate the effect of absorption type heat exchange system 1.Firstly, illustrating that the sorption type heat pump of refrigerant side follows Ring.In condenser 40, receive the regenerator refrigerant vapour Vg evaporated in regenerator 30, regenerator refrigerant vapour Vg quilt It is condensed in the second cryogen FL2 cooling that heat-transfer pipe 42 flows, becomes refrigerant liquid Vf.At this point, the second cryogen FL2 Because regenerator refrigerant vapour Vg condensation when discharge condensation heat due to temperature rise.The refrigerant liquid Vf of condensation is by refrigerated medium pump 46 It is conveyed to evaporator tank body 21.The refrigerant liquid Vf of evaporator tank body 21 is sent to by the high temperature fluid that flows in heat source tube 22 FH heating, and evaporate and become evaporator refrigerant steam Ve.At this point, high temperature fluid FH captures heat and warm by refrigerant liquid Vf Degree reduces.The evaporator refrigerant steam Ve generated in evaporator 20 is mobile to the absorber 10 being connected to evaporator 20.
Then, illustrate the sorption type heat pump circulation of solution side.In absorber 10, supplied from concentrated solution feedway 13 dense molten Liquid Sa, the concentrated solution Sa of the supply are absorbed from the mobile next evaporator refrigerant steam Ve of evaporator 20.The evaporator system of absorbing The concentrated solution Sa concentration of refrigerant vapor Ve reduces and becomes weak solution Sw.In absorber 10, concentrated solution Sa absorbs evaporator system It is generated when refrigerant vapor Ve and absorbs heat.It is heated in the first cryogen FL1 that heat-transfer pipe 12 flows by the absorption heat, thus first The temperature of cryogen FL1 rises.The concentrated solution Sa concentration that evaporator refrigerant steam Ve is absorbed in absorber 10 reduces And become weak solution Sw, and be stored in the lower part of absorber 10.The weak solution Sw of storage is because in absorber 10 and regenerator 30 Pressure difference and in weak solution pipe 36 towards regenerator 30 flow, in solution heat exchanger 38 with concentrated solution Sa carry out heat exchange And temperature reduces, and reaches regenerator 30.
The weak solution Sw for being transported to regenerator 30 is supplied from weak solution feedway 33, and flowed in heat source tube 32 High temperature fluid FH is heated, and the refrigerant in the weak solution Sw supplied evaporates and becomes concentrated solution Sa, and is stored in regenerator 30 Lower part.At this point, high temperature fluid FH captures heat by weak solution Sw and temperature reduces.In the high temperature fluid FH that heat source tube 32 flows It is the fluid after the heat source tube 22 for having passed through evaporator 20.The refrigerant V evaporated from weak solution Sw is steamed as regenerator refrigerant Gas Vg is mobile to condenser 40.The concentrated solution Sa of the lower part of regenerator 30 is stored in via concentrated solution pipe 35 and by solution pump 35p Pressurized delivered to absorber 10 concentrated solution feedway 13.In the concentrated solution Sa that concentrated solution pipe 35 flows in solution heat exchanger In 38 with weak solution Sw progress heat exchange and after temperature rising, inflow absorber 10, and be supplied to from concentrated solution feedway 13, Same circulation is repeated later.
Concrete example is enumerated to illustrate the high-temperature stream during absorbing liquid S and refrigerant V carry out above-mentioned sorption type heat pump circulation The variation of the temperature of body FH and the first cryogen FL1 and the second cryogen FL2.With the heat source of 95 DEG C of inflow evaporators 20 The high temperature fluid FH of pipe 22 captures heat by refrigerant liquid Vf and temperature is reduced to 89 DEG C.The high temperature fluid FH flowed out from evaporator 20 After the flowing of high temperature fluid connecting tube 25, the heat source tube 32 of regenerator 30 is flowed into 89 DEG C.Flow into the high temperature fluid of heat source tube 32 FH captures heat by weak solution Sw and temperature is reduced to 84 DEG C.The high temperature fluid FH that temperature reduces in regenerator 30 is flowed with 84 DEG C Regenerator 30 out are flowed in high temperature fluid discharge pipe 39 and flow into heat exchange department 80.
On the other hand, with the second cryogen FL2 of the heat-transfer pipe 42 of 32 DEG C of inflow condensers 40, regenerator refrigeration is obtained The condensation heat that discharges when agent steam Vg is condensed and temperature is upgraded to 50 DEG C.The the second cryogen FL2 flowed out from condenser 40 is the Two low temperature discharge pipes 49 flow and flow into heat exchange department 80.In heat exchange department 80, in the height that high temperature fluid discharge pipe 39 flows Warm fluid FH and the second low temperature discharge pipe 49 flowing the second cryogen FL2 between carry out heat exchange, 84 DEG C of high-temperature stream Body FH temperature is reduced to 74 DEG C, and 50 DEG C of the second cryogen FL2 temperature is upgraded to 80 DEG C.Temperature be reduced to 74 DEG C of high temperature fluid FH after Continue and flowed in high temperature fluid discharge pipe 39, and is discharged from absorption type heat exchange system 1.Temperature is upgraded to 80 DEG C of the second cryogen FL2 is supplied to the equipment (not shown) of consumption medium temperature heat.Absorption type heat exchange system 1 is suitble to be heated in heat exchange department 80 The second cryogen FL2 temperature it is high unlike the temperature of the high temperature fluid FH flowed out from evaporator 20 and regenerator 30 but high Warm fluid FH can not by the property of the equipment utilization of consumption medium temperature heat, type fluid the case where.Such as have high temperature fluid FH is recycled in production process and is captured heat from the high temperature fluid FH that production process flows into absorption type heat exchange system 1 and cool down The case where returning to production process afterwards or high temperature fluid FH should be discarded and be captured heat in absorption type heat exchange system 1 and cold But the situation etc. discarded afterwards.As the equipment of consumption medium temperature heat, the heating for being set to closer distance can be typically enumerated Equipment.In absorption type heat exchange system 1, the flow of the second cryogen FL2 is set as to about the 1/3 of the flow of high temperature fluid FH. In other words, the flow-rate ratio of the second cryogen FL2 and high temperature fluid FH are set as about 1:3.The flow-rate ratio can be by using root Piping, throttle orifice of size used according to pre-determined value etc. is fixed, and being also configured to can be automatic using valve etc. Or it manually adjusts.Using flow automatic regulations ratios such as valves, typically controlled device controls valve etc..
In addition, being flowed into the first cryogen FL1 of the heat-transfer pipe 12 of absorber 10 with 82 DEG C, obtains and inhaled in concentrated solution Sa The absorption generated when receiving evaporator refrigerant steam Ve is hot and temperature rises to 110 DEG C.First cryogen FL1 is in absorber 10 In when being heated, a part boiling and become gas-liquid mixture phase.The the first cryogen FL1 flowed out from absorber 10 is via adding Fluid hose 17 after heat and flow into gas-liquid separator 16.The the first cryogen FL1 for being flowed into gas-liquid separator 16 is separated into point From steam Fv and separation liquid Fr.The separation steam Fv separated in gas-liquid separator 16 is flowed out to separation steam pipe 19, is supplied To the equipment (not shown) to consumption high temperature heat.As the equipment of consumption high temperature heat, factory's work can be typically enumerated Sequence, the heating equipment for being set to distant place.In this way, in absorption type heat exchange system 1, it can be by the temperature of the high temperature fluid FH of importing Degree or more separation steam Fv (the first cryogen FL1) take out.On the other hand, the separating liquid separated in gas-liquid separator 16 Body Fr is separating the flowing of liquid pipe 18, collaborates and temperature reduction with the additive liq Fs come in supplement ingress pipe 18s flowing halfway, makees It is the first cryogen FL1 in 82 DEG C of supply to heat-transfer pipes 12.It is high that consumption typically is supplied to as separation steam Fv The amount of the equipment of warm amount is supplied from outside as additive liq Fs.
As described above, absorption type heat exchange system 1 according to the present embodiment is absorbed via second of performance Absorber 10, evaporator 20, regenerator 30, the absorbing liquid S of condenser 40 and the sorption type heat pump of refrigerant V of the function of heat pump follow Ring, the heat exchange between progress high temperature fluid FH and the first cryogen FL1 and the second cryogen FL2 indirectly, and The heat exchange between high temperature fluid FH and the second cryogen FL2 is carried out in heat exchange department 80, directly so as to taking-out temperature Different two kinds are heated fluid (the first cryogen FL1, the second cryogen FL2).In addition, in absorption type heat exchange system In 1, by the first cryogen FL1 gas-liquid separation flowed out from absorber 10 and as separation steam Fv in gas-liquid separator 16 It takes out, therefore the steam that enthalpy is big and utility value is high can be supplied.In addition, high temperature fluid FH, the first cryogen FL1, second The property of each fluid of cryogen FL2, type can from other one or two it is different, can also be identical.
Then, the absorption type heat exchange system 1A of the variation of the first embodiment of the utility model is illustrated referring to Fig. 2. Fig. 2 is the system diagram of the signal of absorption type heat exchange system 1A.Absorption type heat exchange system 1A and absorption type heat exchange system 1 Difference essentially consists in following aspect (referring to Fig.1).The first low temperature flowed out in absorption type heat exchange system 1A from absorber 10 Fluid FL1 is supplied with the state of liquid to the equipment (not shown) of consumption high temperature heat.Therefore, in absorption type heat exchange system 1A In, and the gas-liquid separator 16 (referring to Fig.1) and surrounding being arranged in not set absorption type heat exchange system 1 (referring to Fig.1) The separation steam pipe 19 (referring to Fig.1) of structure, is equipped with additive liq pump 18p (referring to Fig.1) at separation liquid pipe 18 (referring to Fig.1) Supplement ingress pipe 18s (referring to Fig.1), but be configured to first cryogen sent such as equipment from consumption high temperature heat The heat-transfer pipe 12 of FL1 inflow absorber 10, the first cryogen FL1 heated in absorber 10 is after the heating in fluid hose 17 The equipment for flowing and being supplied to consumption high temperature heat.The structure other than the above and absorption type heat of absorption type heat exchange system 1A Exchange system 1 (referring to Fig.1) is identical.
It is absorber 10, evaporator 20, regenerator 30, cold in the absorption type heat exchange system 1A constituted as described above The sorption type heat pump circulation of the absorbing liquid S and refrigerant V of condenser 40 act in the same manner as absorption type heat exchange system 1 (referring to Fig.1). In addition, the flow path and temperature change of high temperature fluid FH also act in the same manner as absorption type heat exchange system 1 (referring to Fig.1).In addition, The flow path and temperature change of second cryogen FL2 also acts in the same manner as absorption type heat exchange system 1 (referring to Fig.1).It is another Aspect, the heat-transfer pipe 12 of the first cryogen FL1 inflow absorber 10, temperature, which rises to, obtains concentrated solution Sa suction in absorber 10 The absorption heat that is generated when receiving evaporator refrigerant steam Ve and unvaporized degree, and flowed out from absorber 10, after heating The equipment (not shown) of fluid hose 17 and supply extremely consumption high temperature heat.In this way, absorption type heat exchange system 1A can be to omit The easy structure of structure around gas-liquid separator 16 (referring to Fig.1), two kinds of different liquid of taking-out temperature.
Referring next to Fig. 3, illustrate the absorption type heat exchange system 2 of the second embodiment of the utility model.Fig. 3 is to absorb The system diagram of the signal of formula heat-exchange system 2.Absorption type heat exchange system 2 and absorption type heat exchange system 1 (referring to Fig.1) are no Following aspect is essentially consisted in putting.The high temperature fluid made to before importing evaporator 20 is provided in absorption type heat exchange system 2 A part of FH carries out the part high temperature fluid FHs of the branch detour in evaporator 20 and regenerator 30, and with from regenerator 30 The high temperature fluid pass-over offset 29 at the interflow high temperature fluid FH of outflow.It is led with by high temperature fluid FH one end of high temperature fluid pass-over offset 29 The high temperature fluid ingress pipe 24 for entering heat source tube 22 connects.The other end and high temperature fluid discharge pipe 39 of high temperature fluid pass-over offset 29 connect It connects.In the present embodiment, the high temperature fluid FH flowed in high temperature fluid discharge pipe 39 is discharged to outside system, but not via heat Exchange part 80.Heat exchange department 80 is configured to be disposed in the second low temperature discharge pipe 49 and high temperature fluid pass-over offset 29, instead of absorbing Formula heat-exchange system 1 is disposed in the case where high temperature fluid discharge pipe 39 and the second low temperature discharge pipe 49 in (referring to Fig.1), second The the second cryogen FL2 flowed in low temperature discharge pipe 49 and the part high temperature fluid flowed in high temperature fluid pass-over offset 29 Heat exchange is carried out between FHs.The structure other than the above and absorption type heat exchange system 1 of absorption type heat exchange system 2 are (referring to figure 1) identical.
The effect of the absorption type heat exchange system 2 constituted as described above is as follows.Absorber 10, evaporator 20, regenerator 30, the sorption type heat pump circulation absorbing type heat-exchange system 1 (referring to Fig.1) of the absorbing liquid S and refrigerant V of condenser 40 are similarly made With.A part of branch of high temperature fluid FH for flowing towards evaporator 20 in high temperature fluid ingress pipe 24 and as part high temperature fluid FHs flows into high temperature fluid pass-over offset 29, remaining high temperature fluid FH flows into heat source tube 22.It is flowed into the high temperature fluid of heat source tube 22 FH captures heat by refrigerant liquid Vf and temperature reduces, after flowing out from evaporator 20 and flowing in high temperature fluid connecting tube 25 The heat source tube 32 for flowing into regenerator 30, captures heat by weak solution Sw in regenerator 30 and temperature reduces and flows out regenerator 30.The high temperature fluid FH for flowing into high temperature fluid pass-over offset 29 from high temperature fluid ingress pipe 24 is flowed into heat exchange department 80.Another party Face, the second cryogen FL2 for being flowed into the heat-transfer pipe 42 of condenser 40 obtain release when regenerator refrigerant vapour Vg is condensed Condensation heat and temperature rise, from condenser 40 flow out and flow into heat exchange department 80.It is circuitous in high temperature fluid in heat exchange department 80 Return pipe 29 flow a part of high temperature fluid FHs and the second low temperature discharge pipe 49 flowing the second cryogen FL2 between into Row heat exchange, a part of high temperature fluid FHs temperature reduce, and the second cryogen FL2 temperature rises.The temperature in heat exchange department 80 A part of high temperature fluid FHs reduced, via high temperature fluid pass-over offset 29 with the high temperature that is flowed in high temperature fluid discharge pipe 39 The interflow fluid FH, and be discharged from absorption type heat exchange system 2.The second cryogen FL2 that temperature rises in heat exchange department 80 Continue to flow in the second low temperature discharge pipe 49 and is supplied to the equipment (not shown) of consumption medium temperature heat.On the other hand, with suction Equally, the heat-transfer pipe 12 of the first cryogen FL1 inflow absorber 10, acquisition is absorbing receipts formula heat-exchange system 1 (referring to Fig.1) Concentrated solution Sa absorbs the absorption heat generated when evaporator refrigerant steam Ve in device 10 and temperature rises and flows out absorber 10, stream Enter gas-liquid separator 16 and be separated into separation steam Fv and separation liquid Fr, separation steam Fv is supplied to consumption high temperature heat It equipment (not shown), separation liquid Fr and the interflow required additive liq Fs and then secondary is flowed into as the first cryogen FL1 In heat-transfer pipe 12.
It, can be according to the stream of the high temperature fluid FH flowed in high temperature fluid ingress pipe 24 according to absorption type heat exchange system 2 Enter the flow of heat source tube 22 and flow into the ratio of the flow of high temperature fluid pass-over offset 29, adjusts from heat exchange department 80 and flow out and supply To the temperature of the second cryogen FL2 of the equipment of consumption medium temperature heat.In other words, the high temperature for flowing into heat source tube 22 can be set The ratio between the flow of the high temperature fluid FH of the flow and inflow high temperature fluid pass-over offset 29 of fluid FH, so as to be flowed out from heat exchange department 80 The second cryogen FL2 temperature become defined temperature.Flow-rate ratio in this case can be by using according to for heat Value that source capsule 22 and high temperature fluid pass-over offset 29 predetermine respectively and piping, throttle orifice of size for using etc. are fixed, It is configured to automatically or manually adjust using the valve etc. for a certain position for being configured at each pipe 22,29.In addition, as this reality The temperature for applying a part of high temperature fluid FHs of the heating side liquid of the heat exchange department 80 of mode, than as absorption heat exchange series The temperature of the high temperature fluid FH of the heating side liquid of the heat exchange department 80 of 1 (referring to Fig.1) of system is high, therefore in the present embodiment, The temperature for the second cryogen FL2 being heated in heat exchange department 80 can be made than absorption type heat exchange system 1 (referring to Fig.1) In the case of height.In addition, though the illustration is omitted, but other than the structure of absorption type heat exchange system 2, also can be set as The heat exchange department 80 shown in FIG. 1 for being disposed in high temperature fluid discharge pipe 39 and the second low temperature discharge pipe 49, to have two heat Exchange part 80.In this case, using interconnecting piece from high temperature fluid pass-over offset 29 to high temperature fluid discharge pipe 39 as being disposed in height The upstream side of the heat exchange department 80 of warm fluid discharge pipe 39 and the second low temperature discharge pipe 49 is closed using a part of high temperature fluid FHs The high temperature fluid FH flowed in high temperature fluid discharge pipe 39 after stream and the second low temperature in the flowing of the second low temperature discharge pipe 49 Fluid FL2 carries out heat exchange.In other words, if being configured to the second cryogen flowed in the second low temperature discharge pipe 49 FL2 carries out hot friendship with the high temperature fluid FH flowed in high temperature fluid discharge pipe 39 behind the interflow a part of high temperature fluid FHs After changing, heat exchange is carried out with a part of high temperature fluid FHs flowed in high temperature fluid pass-over offset 29, then initially by high temperature fluid FH heating is then heated by the temperature a part of high temperature fluid FHs higher than high temperature fluid FH.
Referring next to Fig. 4, illustrate the absorption type heat exchange system 3 of the third embodiment of the utility model.Fig. 4 is to absorb The system diagram of the signal of formula heat-exchange system 3.Absorption type heat exchange system 3 and absorption type heat exchange system 1A's (referring to Fig. 2) Difference essentially consists in following aspect.The high temperature fluid made before importing evaporator 20 is provided in absorption type heat exchange system 3 Branch fluid stream of a part of high temperature fluid FH of FH branch as the heat-transfer pipe 12 of the first cryogen FL1 inflow absorber 10 Enter pipe 15.One end that branch fluid flows into pipe 15 connects with the high temperature fluid ingress pipe 24 that high temperature fluid FH is imported heat source tube 22 It connects.Branch fluid flow into pipe 15 the other end and heat-transfer pipe 12 with the end opposite side that is connected with heated fluid pipe 17 End connection.The structure other than the above of absorption type heat exchange system 3 is identical as absorption type heat exchange system 1A (referring to Fig. 2).
In the absorption type heat exchange system 3 constituted as described above, absorber 10, evaporator 20, regenerator 30, condensation It is acted in the same manner as the sorption type heat pump circulation absorbing type heat-exchange system 1A (referring to Fig. 2) of the absorbing liquid S and refrigerant V of device 40.Separately Outside, the flow path of the second cryogen FL2 and temperature change also act in the same manner as absorption type heat exchange system 1A (referring to Fig. 2). In the high temperature fluid FH that high temperature fluid ingress pipe 24 is flowed towards evaporator 20, a part of branch and as the first cryogen FL1 flows into branch fluid and flows into pipe 15, remaining high temperature fluid FH flows into heat source tube 22.It is flowed into the high temperature fluid of heat source tube 22 FH captures heat by refrigerant liquid Vf and temperature reduces, and flows out from evaporator 20 and flows into after the flowing of high temperature fluid connecting tube 25 The heat source tube 32 of regenerator 30, captures heat by weak solution Sw in regenerator 30 and temperature reduces, and flows out regenerator 30.Stream Out the high temperature fluid FH of regenerator 30 high temperature fluid discharge pipe 39 flow, in heat exchange department 80 with the second cryogen FL2 After heat exchange and temperature reduce, it is discharged from absorption type heat exchange system 3.On the other hand, it is flowed into from high temperature fluid ingress pipe 24 The first cryogen FL1 (a part of high temperature fluid FH of branch) of pipe 15 is flowed into the heat-transfer pipe of absorber 10 to branch fluid 12 flow into, and the absorption generated when obtaining the concentrated solution Sa absorption evaporator refrigerant steam Ve in absorber 10 is hot and temperature rises And absorber 10 is flowed out, the equipment (not shown) of consumption high temperature heat is supplied to via heated fluid pipe 17.In this way, inhaling In receipts formula heat-exchange system 3, using a part of high temperature fluid FH of the high temperature fluid FH branch before importing evaporator 20 as the One cryogen FL1 imports absorber 10, therefore the temperature ratio of the first cryogen FL1 flowed out from absorber 10 can be made to lead The temperature of high temperature fluid FH before entering evaporator 20 is high.
Referring next to Fig. 5, illustrate the absorption type heat exchange system 4 of the 4th embodiment of the utility model.Fig. 5 is to absorb The system diagram of the signal of formula heat-exchange system 4.Absorption type heat exchange system 4 and absorption type heat exchange system 1 (referring to Fig.1) are no Following aspect is essentially consisted in putting.Absorption type heat exchange system 4 in addition to absorption type heat exchange system 1 (referring to Fig.1) structure it Outside, it is also equipped with refrigerant heat exchanger 99.Refrigerant heat exchanger 99 is to flow to 20 refrigerant liquid of evaporator from condenser 40 Vf and from heat exchange department 80 flow out high temperature fluid FH between carry out heat exchange equipment.Refrigerant heat exchanger 99 is disposed in Refrigerant liquid pipe 45 than 46 downstream of refrigerated medium pump and the high temperature fluid discharge pipe 39 than 80 downstream of heat exchange department.System Cryogen heat exchanger 99 uses shell-tube type, board-like heat exchanger.The structure other than the above and suction of absorption type heat exchange system 3 Receipts formula heat-exchange system 1 is (referring to Fig.1) identical.
The effect of the absorption type heat exchange system 4 constituted as described above is as follows.Absorber 10, evaporator 20, regenerator 30, the sorption type heat pump circulation of the absorbing liquid S and refrigerant V of condenser 40, in addition to from condenser 40 towards the refrigeration of evaporator 20 Except the temperature change of agent liquid Vf, other are acted in the same manner as absorption type heat exchange system 1 (referring to Fig.1).High temperature fluid FH's Flow path and temperature change act in the same manner as absorption type heat exchange system 1 (referring to Fig.1) before the outflow of heat exchange department 80. The flow path and temperature change of first cryogen FL1 and the second cryogen FL2 and absorption type heat exchange system 1 (referring to Fig.1) Similarly act on.Then, it in the absorption type heat exchange system 4 for having refrigerant heat exchanger 99, is flowed to from condenser 40 The refrigerant liquid Vf of evaporator 20 and from heat exchange department 80 flow out high temperature fluid FH between carry out heat exchange, refrigerant liquid Vf Temperature rise, the temperature of high temperature fluid FH reduces.The refrigerant liquid Vf temperature flowed out from refrigerant heat exchanger 99 rises simultaneously Evaporator 20 is flowed into, therefore is able to suppress in evaporator 20 and evaporates required heat, can will be accompanied by this and inhibit temperature The heat that reduced high temperature fluid FH is possessed is used for the heat exchange of heat exchange department 80, can make flow out from heat exchange department 80 the The temperature of two cryogen FL2 rises.On the other hand, the high temperature fluid FH temperature flowed out from refrigerant heat exchanger 99 reduces simultaneously It is discharged from absorption type heat exchange system 4, the recycling heat of the high temperature fluid FH of absorption type heat exchange system 4 can be increased.In addition, Refrigerant heat exchanger 99 can also be respectively arranged at absorption type heat exchange system 1A (referring to Fig. 2), absorption type heat exchange system 2 (referring to Fig. 3), absorption type heat exchange system 3 (referring to Fig. 4).
Referring next to Fig. 6, illustrate the absorption type heat exchange system 5 of the 5th embodiment of the utility model.Fig. 6 is to absorb The system diagram of the signal of formula heat-exchange system 5.Absorption type heat exchange system 5 and absorption type heat exchange system 1 (referring to Fig.1) are no Following aspect is essentially consisted in putting.Absorption type heat exchange system 5 is not provided with heat exchange department 80 (referring to Fig.1), but is provided with Warm consumption equipment 64.Medium temperature heat loss equipment 64 is the object that the heat heating possessed using the second cryogen FL2 needs to heat The equipment of matter can typically enumerate heating equipment.In the case where medium temperature heat loss equipment 64 is heating equipment, for supplying The warm water or air of the heating of warm object space are equivalent to the substance for needing to heat.Is connected in medium temperature heat loss equipment 64 Two low temperature flow into pipe 48 and the respective other end of the second low temperature discharge pipe 49, the heat-transfer pipe of their own one end and condenser 40 42 connections.Alternatively, it is also possible to which the second cryogen FL2 for making therefrom to warm the consumption outflow of equipment 64 is arranged in inflow heat-transfer pipe 42 The cooling tower CT of preceding cooling.Here, the atmosphere that cooling tower CT is not meant as the release target of heat needs to heat, therefore do not belong to In medium temperature heat loss equipment 64.It is constituted in the case where cooling tower CT is arranged are as follows: cooling tower CT is typically disposed in bypass pipe 48B, the both ends of bypass pipe 48B flow into pipe 48 with the second low temperature spaced apartly and connect, the between the both ends of bypass pipe 48B Two low temperature flow into pipe 48 and open and close valve 48v are arranged, and by the opening and closing of open and close valve 48v, switch the second cryogen FL2 and pass through or obstructed Supercooling tower CT.Furthermore, it is possible to be configured to that bypass open and close valve 48Bv is arranged in bypass pipe 48B, open and close valve 48v and bypass are opened and closed The aperture of valve 48Bv is adjusted to defined aperture respectively, so that a part of the second cryogen FL2 can pass through cooling tower CT. In addition, typically consuming equipment in the system of the first cryogen FL1 that separation steam Fv can be supplied supreme warm The end for separating steam pipe 19 is connect, can make by the mode of HF using steam supply pipe 78 with high temperature heat loss equipment HF The liquid flowed out from high temperature heat loss equipment HF flows into the mode of separation liquid pipe 18 as additive liq Fs, utilizes return liquid pipe 77 High temperature heat loss equipment HF is connect with the end of supplement ingress pipe 18s.In addition, the supreme warm consumption equipment HF's of supply can be with It is the first cryogen FL1 of liquid to replace separation steam Fv, in this case, such as absorption type heat exchange system 1A (reference It Fig. 2) can be omitted the structure around gas-liquid separator 16 like that.The structure other than the above and suction of absorption type heat exchange system 5 Receipts formula heat-exchange system 1 is (referring to Fig.1) identical.
In the absorption type heat exchange system 5 constituted as described above, absorber 10, evaporator 20, regenerator 30, condensation The sorption type heat pump circulation of the absorbing liquid S and refrigerant V of device 40 act in the same manner as absorption type heat exchange system 1 (referring to Fig.1).Separately Outside, the flow path of the first cryogen FL1 and temperature change also act in the same manner as absorption type heat exchange system 1 (referring to Fig.1).It is high Warm fluid FH is before the outflow of the heat source tube 32 of regenerator 30, flow path and temperature change and the 1 (reference of absorption type heat exchange system It Fig. 1) similarly acts on, is discharged if being flowed out from heat source tube 32 to outside absorption type heat exchange system 5.Second cryogen FL2 exists In the heat-transfer pipe 42 of condenser 40, heat up in the same manner as absorption type heat exchange system 1 (referring to Fig.1).It is flowed out from heat-transfer pipe 42 Second cryogen FL2 is supplied to medium temperature heat loss equipment 64 via the second low temperature discharge pipe 49, in medium temperature heat loss equipment Heat is utilized in 64 and temperature reduces, and is flowed into pipe 48 via the second low temperature and is again flowed into heat-transfer pipe 42.Here, in the second low temperature It flows into the second cryogen FL2 that pipe 48 flows and passes through cooling tower CT, representative is than the Xiang Lengning in sorption type heat pump recycles Second cryogen FL2 of the high temperature of the upper limit value for the permitted temperature of fluid that the heat-transfer pipe 42 of device 40 flows into is (in order to just In explanation, it is referred to as " the second cryogen of high temperature FL2h " later), therefrom the case where the outflow of warm consumption equipment 64.In height The second cryogen FL2h of temperature pass through cooling tower CT in the case where, the second cryogen of high temperature FL2h all via bypass pipe After 48B imports cooling tower CT and cools down, the second cryogen of high temperature FL2h cools to quilt after the temperature that suitable sorption type heat pump recycles Import heat-transfer pipe 42.Or a part of the second cryogen of high temperature FL2h imports cooling tower CT and cold via bypass pipe 48B But, with not via bypass pipe 48B high temperature the second cryogen FL2h interflow after, the second cryogen of high temperature FL2h cools to suitable It closes the temperature of sorption type heat pump circulation and is imported into heat-transfer pipe 42.On the other hand, it is low therefrom to warm consumption equipment 64 flows out second In the case that the temperature of warm fluid FL2 is within the temperature range of sorption type heat pump, which recycles, to be allowed, the second cryogen FL2 is not via cold But tower CT and flow into heat-transfer pipe 42.In this way, in absorption type heat exchange system 5, by being omitted in absorption type heat exchange system 1 (referring to Fig.1) the easy structure of comparison for the heat exchange department 80 being arranged in, it will be able to by two different fluids of temperature supply to Medium temperature heat loss equipment 64 and such as high temperature heat loss equipment HF.
It is carried out alternatively, it is also possible to have absorption type heat exchange system 5 shown in fig. 6 as the substance heated to needs The medium temperature heat loss equipment 64 of the equipment of heating, bypass pipe 48B, cooling tower CT, open and close valve 48v, bypass open and close valve 48Bv, respectively Absorption type heat exchange system 1 (referring to Fig.1), 1A (referring to Fig. 2), 2 (referring to Fig. 3), 3 (referring to Fig. 4), 4 are set to (referring to figure 5), their (absorption type heat exchange system 1 (referring to Fig.1)~4 (referring to Fig. 5)) are configured to supply two different fluids of temperature To medium temperature heat loss equipment 64 and high temperature heat loss equipment HF.In such manner, it is possible to add to as the substance heated to needs The second high cryogen of the case where 64 supplying temperature of medium temperature heat loss equipment of the equipment of heat is than absorption type heat exchange system 5 FL2。
In the above description, evaporator 20 is full-liquid type but it is also possible to be falling film type.In the feelings that evaporator is falling film type Under condition, the refrigerant liquid feedway of the top setting supply refrigerant liquid Vf in evaporator tank body 21, by the feelings of full-liquid type The end for the refrigerant liquid pipe 45 connecting under condition with evaporator tank body 21 is connected to refrigerant liquid feedway.In addition, can The refrigerant liquid Vf of the lower part of evaporator tank body 21 is supplied to the piping of refrigerant liquid feedway and pump with setting.
In the above description, high temperature fluid FH is flowed to regenerator 30 in series from evaporator 20, but can also To be flowed in series to evaporator 20 from regenerator 30, can also be flowed in parallel to 20 regenerator 30 of evaporator.If High temperature fluid FH is flowed to regenerator 30 in series from evaporator 20, then can be further reduced absorbing liquid S crystallization Probability can be improved COP, if in parallel to evaporator 20 if flowing in series to evaporator 20 from regenerator 30 It is flowed with regenerator 30, then liquid not only can be used in high temperature fluid FH, is also easier to use steam.

Claims (10)

1. a kind of absorption type heat exchange system, wherein have:
Absorption portion, the absorption discharged when becoming the weak solution after concentration reduction by the steam for absorbing refrigerant in absorbing liquid Heat rises the first temperature for being heated fluid;
Condensation part, the condensation heat that discharges when condensing by the steam in refrigerant and become refrigerant liquid, makes second to be heated The temperature of fluid rises;
Evaporation part imports the refrigerant liquid from the condensation part, and captures the refrigeration in importing from heating source fluid Agent liquid evaporates and becomes required evaporation latent heat when the steam of the refrigerant supplied to the absorption portion, to make described The temperature of heating source fluid reduces;
Reproducing unit imports the weak solution from the absorption portion, and captures the weak solution to importing from heating source fluid It is heated and is detached from refrigerant from the weak solution and becomes heat required for the concentrated solution after concentration rises, to make institute The temperature for stating heating source fluid reduces;And
Heat exchange department, described second after temperature rises in the condensation part is heated fluid and makes in the condensation part Heat exchange is carried out between the heating fluid that the described second temperature for being heated fluid after middle temperature rising rises,
And constitute are as follows: recycled by the sorption type heat pump of the absorbing liquid and the refrigerant, the pressure of the inside in the absorption portion Power and temperature are higher than the pressure and temperature of the inside of the reproducing unit, and the pressure and temperature of the inside of the evaporation part is colder than described The pressure and temperature of the inside in solidifying portion is high.
2. absorption type heat exchange system according to claim 1, wherein
Have gas-liquid separator, described first after absorption portion heating is heated fluid and is imported, and is separated into institute State the first liquid and steam for being heated fluid.
3. absorption type heat exchange system according to claim 1 or 2, wherein
The heat exchange department is constituted are as follows: by the evaporation part temperature reduce after the heating source fluid and it is described again At least one party of the heating source fluid after temperature reduces in life portion imports as the heating fluid.
4. absorption type heat exchange system according to claim 1 or 2, wherein
The heat exchange department is constituted are as follows: by the heating source fluid branch before importing the evaporation part and the reproducing unit A part of heating source fluid is imported as the heating fluid.
5. absorption type heat exchange system according to claim 4, wherein
It sets the flow for flowing into the heating source fluid of the evaporation part and the reproducing unit and flows into the heat exchange department The heating source fluid the ratio between flow so that flowed out from the heat exchange department described second be heated the temperature of fluid at For defined temperature.
6. absorption type heat exchange system according to claim 1 or 2, wherein
It constitutes are as follows: will add described in a part of the heating source fluid branch before importing the evaporation part and the reproducing unit Heat source fluid is heated fluid as described first and imports the absorption portion.
7. absorption type heat exchange system according to claim 3, wherein
It constitutes are as follows: will add described in a part of the heating source fluid branch before importing the evaporation part and the reproducing unit Heat source fluid is heated fluid as described first and imports the absorption portion.
8. absorption type heat exchange system according to claim 4, wherein
It constitutes are as follows: will add described in a part of the heating source fluid branch before importing the evaporation part and the reproducing unit Heat source fluid is heated fluid as described first and imports the absorption portion.
9. absorption type heat exchange system according to claim 1 or 2, wherein
Have refrigerant heat exchanger, the refrigerant liquid conveyed from the condensation part to the evaporation part with from described Heat exchange is carried out between the heating fluid of heat exchange department outflow.
10. a kind of absorption type heat exchange system, wherein have:
Absorption portion, the absorption discharged when becoming the weak solution after concentration reduction by the steam for absorbing refrigerant in absorbing liquid Heat rises the first temperature for being heated fluid;
Condensation part, the condensation heat that discharges when condensing by the steam in refrigerant and become refrigerant liquid, makes second to be heated The temperature of fluid rises;
Evaporation part imports the refrigerant liquid from the condensation part, and captures the refrigeration in importing from heating source fluid Agent liquid evaporates and becomes required evaporation latent heat when the steam of the refrigerant supplied to the absorption portion, to make described The temperature of heating source fluid reduces;And
Reproducing unit imports the weak solution from the absorption portion, and captures the weak solution to importing from heating source fluid It is heated and is detached from refrigerant from the weak solution and becomes heat required for the concentrated solution after concentration rises, to make institute The temperature for stating heating source fluid reduces,
And constitute are as follows: recycled by the sorption type heat pump of the absorbing liquid and the refrigerant, the pressure of the inside in the absorption portion Power and temperature are higher than the pressure and temperature of the inside of the reproducing unit, and the pressure and temperature of the inside of the evaporation part is colder than described The pressure and temperature of the inside in solidifying portion is high,
The absorption type heat exchange system is also equipped with medium temperature heat loss equipment, which will flow from the condensation part Described second out is heated fluid importing, and is heated the heat that fluid is possessed with described second to heat the object for needing to heat Matter.
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CN109668351A (en) * 2017-10-17 2019-04-23 荏原冷热系统株式会社 Absorption type heat exchange system

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JP2000081253A (en) * 1998-09-04 2000-03-21 Ebara Corp Absorptive freezer
JP2006207883A (en) * 2005-01-26 2006-08-10 Ebara Corp Absorption heat pump
CN201218628Y (en) * 2008-05-19 2009-04-08 张茂勇 Cold-hot bidirectional and simultaneous utilizing dual- effect type third-kind absorption heat pump
JP5086947B2 (en) * 2008-09-08 2012-11-28 大阪瓦斯株式会社 Type 2 absorption heat pump system
JP6297377B2 (en) * 2014-03-25 2018-03-20 荏原冷熱システム株式会社 Absorption heat pump
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JP2019074271A (en) * 2017-10-17 2019-05-16 荏原冷熱システム株式会社 Absorption type heat exchange system

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* Cited by examiner, † Cited by third party
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CN109668351A (en) * 2017-10-17 2019-04-23 荏原冷热系统株式会社 Absorption type heat exchange system

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