CN101059290A - Ammonia absorption type refrigeration and hot pump dual-purpose system and cool and heat supply method - Google Patents

Ammonia absorption type refrigeration and hot pump dual-purpose system and cool and heat supply method Download PDF

Info

Publication number
CN101059290A
CN101059290A CNA2007100229538A CN200710022953A CN101059290A CN 101059290 A CN101059290 A CN 101059290A CN A2007100229538 A CNA2007100229538 A CN A2007100229538A CN 200710022953 A CN200710022953 A CN 200710022953A CN 101059290 A CN101059290 A CN 101059290A
Authority
CN
China
Prior art keywords
ammonia
solution
stop valve
ammoniacal liquor
resolver
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CNA2007100229538A
Other languages
Chinese (zh)
Inventor
杜垲
张小松
李舒宏
蔡亮
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Southeast University
Original Assignee
Southeast University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Southeast University filed Critical Southeast University
Priority to CNA2007100229538A priority Critical patent/CN101059290A/en
Publication of CN101059290A publication Critical patent/CN101059290A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • 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

Landscapes

  • Sorption Type Refrigeration Machines (AREA)

Abstract

Ammonia absorb-type refrigeration and heat pump dual-purpose system and the cool and heat-supply method are relates to the refrigeration and heat pump system which use ammonia as actuating medium and use low grade heat energy and the cool and heat-supply method using the system, the system includes generator, finestiller, segregator, solution throttle valve, absorber, the first solution heat exchanger, the first solution pump, fluid storing groove, subcooler and ammonia throttle valve, the system also includes re-suction device, resolver, balance fluid pipe, the second solution heat exchanger and the second solution pump, among them the generator, the finestiller and the segregator are series connected, the ammonia gas outlet end of the segregator is connected with the ammonia gas inlet end of re-suction device through the ammonia gas pipelines, so the system highest pressure parameters in system is same with refrigerating mode basically under the premise of ensuring heat-supply temreature, thereby it can realizes two functions of refrigeration and heat pump safely according different seasons on the same ammonia water absorb-type system.

Description

Ammonia absorption type refrigeration and heat pump dual-purpose system and cooling and heat supply method
Technical field
The present invention relates to absorption refrigeration and heat pump dual-purpose system and adopt the cooling and the heat supply method of this system, relating in particular to ammoniacal liquor is working medium, utilizes the refrigeration and the heat pump of low grade heat energy and adopts the cooling and the heat supply method of this system.
Background technology
Ammonia absorption type refrigeration circulation be a kind of be the reverse circulation that drives with heat energy, be characterized in directly being power with heat energy, only need to consume a spot of auxiliary electric energy, just can realize the reverse circulation of freezing.The absorption refrigeration reverse circulation is identical with the first kind (incremental) absorption heat pump reverse circulation flow process substantially, and the purpose that only is to use is different.The former is conceived to obtain cold, and the latter then is to obtain the heat of higher temperature.If we are in research absorption refrigeration reverse circulation, notice the double action of this reverse circulation, nature can be expected, whether can be as compression refrigerating machine, on same set of absorption refrigeration reverse circulation device, according to demand, make it under different conditions of work, produce different effects, i.e. cooling and heating.
No matter be ammonia absorption type refrigeration reverse circulation principle, or its practical application in industry, all very ripe.Single-stage ammonia-water absorption-type refrigeration device of the prior art is made up of generator, rectifier, segregator, solution choke valve, absorber, solution heat exchanger, solution pump, hopper, condenser, subcooler, evaporimeter.Temperature at thermal source is 150 ℃, and cooling water is 32 ℃, and single-grade aqua ammonia absorption refrigeration can provide the cold of-30~5 ℃ of grades to the external world at evaporimeter, and this is the kind of refrigeration cycle pattern.If keep heat source temperature constant, evaporating temperature is 0 ℃, evaporimeter is (as air, industrial wastewater or recirculated water) draw heat from surrounding medium, condensation temperature is brought up to 65 ℃ of heat supply temperatures by 37 ℃, refrigeration mode will be changed into heating mode so, and under this pattern, evaporimeter is draw heat from environment, confess hot water by absorber, segregator, absorber after improving the temperature grade, be first kind absorption heat pump.
Theoretically, above-mentioned analysis is correct, but can run into many problems when implementing, and wherein outstanding is exactly to rise along with the raising of heat supply temperature at circulatory system inner high voltage pressure partly, when condensation temperature reached 65 ℃ of heat supply temperatures, condenser pressure was approximately 3MPa.If two kinds of operational modes only satisfy the high voltage component requirement of strength under the cooling condition condition when design, the restriction that is stressed so, the maximum temperature during heat supply can not be above 40 ℃.If design pressure satisfies the heat supply condition, certainly will to improve the compressive resistance of system high pressure parts, equipment investment is increased, bring many unsafe factors.
Summary of the invention
Technical problem: the invention provides a kind of ammonia absorption type refrigeration and heat pump dual-purpose system and adopt the cooling and the heat supply method of this system, make this device under the prerequisite that guarantees heat supply temperature, maximum pressure parameter and refrigeration mode are basic identical in the system, thereby in same set of ammonia water absorbing system, according to different seasons, can realize refrigeration or heat pump double-purpose functional safely.
Technical scheme: for solving the problems of the technologies described above, ammonia absorption type refrigeration of the present invention and heat pump dual-purpose system comprise generator, rectifier, segregator, the solution choke valve, absorber, first solution heat exchanger, first solution pump, hopper, subcooler, the ammonia choke valve, this system also comprises haustorium again, resolver, the equilibrium liquid pipe, second solution heat exchanger and second solution pump, wherein, generator, rectifier is connected with segregator, the ammonia output of segregator links to each other with the ammonia input of haustorium again by the ammonia pipeline, the fluid mouth of pipe of haustorium links to each other with second solution heat exchanger ammoniacal liquor inlet by the ammoniacal liquor pipeline again, the outlet of the second solution heat exchanger ammoniacal liquor links to each other with subcooler ammoniacal liquor inlet by the ammoniacal liquor pipeline, the outlet of subcooler ammoniacal liquor links to each other with ammonia choke valve ammoniacal liquor inlet by the ammoniacal liquor pipeline, and the outlet of ammonia choke valve ammoniacal liquor links to each other with resolver ammoniacal liquor inlet by the ammoniacal liquor pipeline; The rare ammoniacal liquor outlet of resolver links to each other by the rare ammoniacal liquor inlet of the rare ammoniacal liquor pipeline and second solution pump, the outlet of the rare ammoniacal liquor of second solution pump links to each other with second solution heat exchanger weak aqua ammonia inlet by the weak aqua ammonia pipeline, and the outlet of the second solution heat exchanger weak aqua ammonia enters the mouth by weak aqua ammonia pipeline and haustorium weak aqua ammonia again and links to each other; Be serially connected with first stop valve by rare ammoniacal liquor pipeline between rare ammoniacal liquor outlet of resolver and the rare ammoniacal liquor inlet of second solution pump; Between the outlet of hopper concentrated ammonia liquor and the rare ammoniacal liquor outlet of second solution pump, be serially connected with an equilibrium liquid pipe and the 3rd stop valve; On the pipeline that links to each other, be serially connected with second stop valve between the rare ammoniacal liquor inlet of the outlet of hopper concentrated ammonia liquor and second solution pump; On the balance pipeline that links to each other, be serially connected with the 6th stop valve between the first balance mouth of pipe of absorber and the second balance mouth of pipe of hopper, the first balance mouth of pipe of absorber is serially connected with the 6th stop valve and the 5th stop valve with the 3rd balance mouth of pipe of resolver on the balance pipeline that links to each other, the second balance mouth of pipe of hopper is in series with the 5th stop valve with the 3rd balance mouth of pipe of resolver on the auxiliary line that links to each other; Generator weak aqua ammonia output links to each other with the first solution heat exchanger weak aqua ammonia input, the first solution heat exchanger weak aqua ammonia output links to each other with absorber weak aqua ammonia input by the solution choke valve, the import of absorber ammonia links to each other with the subcooler ammonia outlet, the import of subcooler ammonia links to each other with the resolver ammonia outlet, the import of hopper concentrated ammonia liquor links to each other with the outlet of absorber concentrated ammonia liquor, the outlet of hopper concentrated ammonia liquor links to each other with the concentrated ammonia liquor import of first solution heat exchanger with first solution pump by the 4th stop valve, the outlet of the first solution heat exchanger concentrated ammonia liquor links to each other with the middle part of rectifier, the heating steam pipeline is introduced by the steam of generator import, draws from the outlet of generator condensate water; Cooling water pipeline is introduced from the cooling water inlet of absorber, draws the back from the absorber coolant outlet and introduces the segregator cooling water inlet, introduces haustorium cooling water inlet again after the segregator coolant outlet is drawn, and draws from haustorium coolant outlet again; The refrigerating medium pipeline is introduced by the import of resolver refrigerating medium, draws from the outlet of resolver refrigerating medium.
Wherein, haustorium is the sieve plate spray structure again; Resolver is full liquid boiling type structure.
The present invention also provides the cooling and heating method of ammonia absorption type refrigeration and heat pump dual-purpose system, heat supply method is: first stop valve, the 4th stop valve and the 6th stop valve are opened, the 3rd stop valve, second stop valve, the 5th stop valve are closed, concentrated ammonia solution is sent into rectifier by hopper after by the 4th stop valve, first solution pump, first solution heat exchanger, produces highly purified ammonia steam and ammoniacal liquor weak solution in generator, rectifier and segregator; Ammonia enters haustorium again, come out from resolver and absorbed through first stop valve, second solution pump, second solution heat exchanger to the ammoniacal liquor of haustorium again, the ammoniacal liquor of the high concentration after the absorption enters resolver through second solution heat exchanger, subcooler and ammonia choke valve, in resolver, absorb the heat of low-temperature receiver heat carrier and resolved vaporization, resolve ammonia after the vaporization by entering absorber, absorbed from generator and through the dilute ammonia solution that first solution heat exchanger and solution choke valve enter absorber through subcooler; The ammonia spirit that goes out resolver is through first stop valve, second solution pump, second solution heat exchanger is sent into haustorium again, heat supply hot water is connected by absorber, segregator, haustorium obtains heating up again, realize the heat supply function, ambient water is lowered the temperature by resolver, and heating steam is emitted heat and the discharge of condensing in generator;
Refrigerating method is: close the 4th stop valve and second stop valve, open the 3rd stop valve and the 5th stop valve, solution in the resolver is sent into hopper by second solution pump, close first stop valve, the 3rd stop valve and the 5th stop valve then, open the 4th stop valve, the solution-treated process finishes; Concentrated ammonia solution is sent into rectifier by hopper after by the 4th stop valve, first solution pump, first solution heat exchanger, produces highly purified ammonia steam and ammoniacal liquor weak solution in generator, rectifier and segregator; Ammonia enters haustorium (haustorium is used as the condenser use again under refrigeration mode) again, and water condensation is cooled, (this heat exchanger is inoperative under refrigeration mode through second solution heat exchanger for the ammoniacal liquor of condensation, only use as the fluid passage), subcooler and ammonia choke valve enter resolver, in resolver, absorb the heat of the object (as chilled water) that is cooled and vaporize, ammonia after the vaporization is by entering absorber through subcooler, absorbed from generator and through the dilute ammonia solution that first solution heat exchanger and solution choke valve enter absorber; Cooling water series connection is by absorber, segregator, haustorium again, and chilled water is by the resolver realization refrigerating function of lowering the temperature, and heating steam is emitted heat and condensed discharge in generator.
Beneficial effect: because ammonia absorption type refrigeration provided by the invention and heat pump dual-purpose system have increased a solution heat exchanger and a solution pump and respective line on the basis of prior art single-stage ammonia-water absorption-type refrigeration device, and change the condenser in the single-stage ammonia-water absorption-type refrigeration device into the sieve plate spray structure and make again haustorium and use, make condenser during refrigeration and use, make again haustorium during heat supply and use; Evaporimeter in the single-stage ammonia-water absorption-type refrigeration device is used as resolver to be used.Under heat pump mode, by adjusting again the ammonia concn that circulates between haustorium and the resolver, make this system at the maximum pressure that satisfies the system under the refrigeration mode that to be no more than under the condition of heat supply temperature, thereby in same set of ammonia water absorbing system, according to different seasons, can realize refrigeration or heat pump heat supply double-purpose functional.
Description of drawings
The present invention will be further described below in conjunction with the drawings and specific embodiments;
Fig. 1 is ammonia absorption type refrigeration and heat pump dual-purpose system schematic diagram.
Have among the figure: generator 1, rectifier 2, segregator 3, solution choke valve 4, absorber 5, first solution heat exchanger 6, first solution pump 7, hopper 8, haustorium 9 again, subcooler 10, ammonia choke valve 11, resolver 12, second solution heat exchanger 13, second solution pump 14, the first stop valve a, the second stop valve b, the 3rd stop valve c, the 4th stop valve d, the 5th stop valve e, the 6th stop valve f, the steam inlet 1a of generator, generator weak aqua ammonia output 1b, the condensate water outlet 1c of generator, segregator ammonia output 3a, the cooling water inlet 3b of segregator, segregator coolant outlet 3c, absorber weak aqua ammonia input 5a, absorber ammonia import 5b, absorber concentrated ammonia liquor outlet 5c, the cooling water inlet 5d of absorber, the coolant outlet of absorber (e), the first balance mouth of pipe 5f of absorber, the first solution heat exchanger weak aqua ammonia input 6a, the first solution heat exchanger weak aqua ammonia output 6b, the concentrated ammonia liquor import 6c of first solution heat exchanger, the concentrated ammonia liquor outlet 6d of first solution heat exchanger, the concentrated ammonia liquor import 8a of hopper, hopper concentrated ammonia liquor outlet 8b, the second balance mouth of pipe 8c of hopper, haustorium weak aqua ammonia inlet 9a again, haustorium fluid mouth of pipe 9b again, haustorium ammonia input 9c again, the cooling water inlet 9d of haustorium again, haustorium coolant outlet 9e again, subcooler ammoniacal liquor inlet 10a, subcooler ammoniacal liquor outlet 10b, the ammonia import 10c of subcooler, subcooler ammonia outlet 10d, ammonia choke valve ammoniacal liquor inlet 11a, ammonia choke valve ammoniacal liquor outlet 11b, resolver ammoniacal liquor inlet 12a, the rare ammoniacal liquor outlet of resolver 12b, the 3rd balance mouth of pipe 12c of resolver, the ammonia outlet 12d of resolver, the refrigerating medium import 12e of resolver introduces, resolver refrigerating medium outlet 12f, second solution heat exchanger ammoniacal liquor inlet 13a, second solution heat exchanger ammoniacal liquor outlet 13b, second solution heat exchanger weak aqua ammonia inlet 13c, second solution heat exchanger, 13 weak aqua ammonias outlet 13d, the rare ammoniacal liquor inlet of second solution pump 14a, the rare ammoniacal liquor outlet of second solution pump 14b.
The specific embodiment
As shown in Figure 1, ammonia absorption type refrigeration provided by the invention and heat pump dual-purpose system comprise generator 1, rectifier 2, segregator 3, solution choke valve 4, absorber 5, first solution heat exchanger 6, first solution pump 7, hopper 8, subcooler 10, ammonia choke valve 11, this system also comprises haustorium 9 again, resolver 12, equilibrium liquid pipe 15, second solution heat exchanger 13 and second solution pump 14, wherein, generator 1, rectifier 2 is connected with segregator 3, the ammonia output 3a of segregator 3 links to each other with the ammonia input 9c of haustorium 9 again by the ammonia pipeline, the fluid mouth of pipe 9b of haustorium 9 links to each other with second solution heat exchanger ammoniacal liquor inlet 13a by the ammoniacal liquor pipeline again, second solution heat exchanger ammoniacal liquor outlet 13b links to each other with subcooler ammoniacal liquor inlet 10a by the ammoniacal liquor pipeline, subcooler ammoniacal liquor outlet 10b links to each other with ammonia choke valve ammoniacal liquor inlet 11a by the ammoniacal liquor pipeline, and ammonia choke valve ammoniacal liquor outlet 11b links to each other with resolver ammoniacal liquor inlet 12a by the ammoniacal liquor pipeline; The rare ammoniacal liquor outlet of resolver 12b links to each other by the rare ammoniacal liquor inlet of the rare ammoniacal liquor pipeline and second solution pump 14a, the rare ammoniacal liquor of second solution pump outlet 14b links to each other by weak aqua ammonia pipeline and second solution heat exchanger weak aqua ammonia inlet 13c, and second solution heat exchanger weak aqua ammonia outlet 13d links to each other by weak aqua ammonia pipeline and the haustorium weak aqua ammonia again 9a that enters the mouth; Be serially connected with the first stop valve a by rare ammoniacal liquor pipeline between rare ammoniacal liquor outlet 12b of resolver and the rare ammoniacal liquor inlet of second solution pump 14a; Between the outlet 8b of hopper concentrated ammonia liquor and the rare ammoniacal liquor outlet of second solution pump 14b, be serially connected with an equilibrium liquid pipe 15 and the 3rd stop valve c; The outlet 8b of hopper concentrated ammonia liquor enters the mouth with the rare ammoniacal liquor of second solution pump and is serially connected with the second stop valve b between the 14a on the pipeline that links to each other; On the balance pipeline that links to each other, be serially connected with the 6th stop valve (f) between the first balance mouth of pipe (5f) of absorber (5) and the second balance mouth of pipe (8c) of hopper (8), the first balance mouth of pipe (5f) of absorber (5) is serially connected with the 6th stop valve (f) and the 5th stop valve (e) with the 3rd balance mouth of pipe (12c) of resolver (12) on the balance pipeline that links to each other, the second balance mouth of pipe (8c) of hopper (8) is in series with the 5th stop valve (e) with the 3rd balance mouth of pipe (12c) of resolver (12) on the auxiliary line that links to each other; Generator weak aqua ammonia output 1b links to each other with the first solution heat exchanger weak aqua ammonia input 6a, the first solution heat exchanger weak aqua ammonia output 6b links to each other with absorber weak aqua ammonia input 5a by solution choke valve 4, absorber ammonia import 5b links to each other with subcooler ammonia outlet 10d, subcooler ammonia import 10c links to each other with resolver ammonia outlet 12d, hopper concentrated ammonia liquor import 8a links to each other with absorber concentrated ammonia liquor outlet 5c, hopper concentrated ammonia liquor outlet 8b links to each other with the concentrated ammonia liquor import 6c of first solution heat exchanger 6 with first solution pump 7 by the 4th stop valve d, first solution heat exchanger concentrated ammonia liquor outlet 6d links to each other with the middle part of rectifier 2, the heating steam pipeline is introduced by steam of generator import 1a, and 1c draws from the outlet of generator condensate water; Cooling water pipeline is introduced from the cooling water inlet 5d of absorber 5, draw the back from absorber coolant outlet 5e and introduce segregator cooling water inlet 3b, after segregator coolant outlet 3c draws, introduce haustorium cooling water inlet 9d again, draw from haustorium coolant outlet 9e again; The refrigerating medium pipeline is introduced by resolver refrigerating medium import 12e, and 12f draws from the outlet of resolver refrigerating medium.
Haustorium 9 structures are spray structure again, and resolver 12 is full liquid boiling type structure.
The cooling and heating method of ammonia absorption type refrigeration provided by the invention and heat pump dual-purpose system is seen Fig. 1, under refrigeration mode, answering system carries out solution-treated, close the 4th stop valve d and the second stop valve b, open the 3rd stop valve c and the 5th stop valve e, the solution in the resolver 12 is sent into hopper 8 by second solution pump 14, close the first stop valve a the 3rd stop valve c and the 5th stop valve e then, open the 4th stop valve d, the solution-treated process finishes; Concentrated ammonia solution is sent into rectifier 2 by hopper 8 after by the 4th stop valve d, first solution pump 7, first solution heat exchanger 6, produces highly purified ammonia steam and ammoniacal liquor weak solution in generator 1, rectifier 2 and segregator 3; Ammonia enters haustorium 9 again, because solution pump 14 is not worked, haustorium 9 does not have solution to supply with under refrigeration mode again, so haustorium 9 is used as the condenser use again under refrigeration mode, the ammonia water condensation that is cooled is a liquefied ammonia, (this heat exchanger is inoperative under refrigeration mode through second solution heat exchanger 13 for the ammoniacal liquor of condensation, only use) as the fluid passage, enter subcooler 10 again, reduce temperature after ammonia choke valve 11 enters resolver 12 refrigeration, in resolver 12, absorb the heat of the object (as chilled water) that is cooled and vaporize, ammonia after the vaporization is by entering absorber 5 through subcooler 10, absorbed from generator 1 and through the dilute ammonia solution that first solution heat exchanger 6 and solution choke valve 4 enter absorber 5 li of absorbers; Cooling water is connected by absorber 5, segregator 3, haustorium 9 is taken away institute's liberated heat again; Chilled water is lowered the temperature by resolver 12 and is realized refrigerating function, and heating steam is emitted heat and condensed discharge in generator 1.Whole circulation absorbs the heating heat by circulatory mediator at generator 1, produces colds (absorption heat) at resolver 12, then at absorber 5, segregator 3, haustorium 9 is emitted heat again, constitutes the absorption refrigeration circulation pattern thus.
Under heat pump mode: see Fig. 1, it at first is the solution concentration that disposes again circulation between haustorium 9 and the resolver 12, close the first stop valve a, the 3rd stop valve c, the 4th stop valve d, open the second stop valve b, with second solution pump 14 the part solution in the hopper 8 is sent into haustorium 9 by second solution heat exchanger 14 again, after treating that concentration reaches the operation of heat pump condition, open the first stop valve a, the 4th stop valve d and the 6th stop valve f, close the 3rd stop valve c, the second stop valve b, the 5th stop valve e, concentrated ammonia solution passes through the 4th stop valve d by hopper 8, first solution pump 7, send into rectifier 2 behind first solution heat exchanger 6, at generator 1, produce highly purified ammonia steam and ammoniacal liquor weak solution in rectifier 2 and the segregator 3; Ammonia enters haustorium 9 again, come out from resolver 12 and absorbed to the ammoniacal liquor of haustorium 9 again through the first stop valve a, second solution pump 14, second solution heat exchanger 13, the ammoniacal liquor of the high concentration after the absorption enters resolver 12 through second solution heat exchanger 13, subcooler 10 and ammonia choke valve 11, in resolver 12, absorb the heat of low-temperature receiver heat carrier and resolved vaporization, resolve ammonia after the vaporization by entering absorber 5, absorbed from generator 1 and through the dilute ammonia solution that first solution heat exchanger 6 and solution choke valve 4 enter absorber 5 through subcooler 10; Ammonia spirit after resolving in resolver 12 is through the first stop valve a, second solution pump 14, second solution heat exchanger 13 is sent into haustorium 9 again, heat supply hot water is connected by absorber 5, segregator 3, haustorium 9 obtains heating up again, realize the heat supply function, ambient water is lowered the temperature by resolver 12, and heating steam is emitted heat and condensed discharge in generator 1.
Heat supply hot water is connected by absorber 5, segregator 3, haustorium 9 obtains heating up again, and ambient water (or industrial waste heat) is lowered the temperature by resolver 12, and heating steam is emitted heat and condensed discharge in generator 1.Whole circulation system absorbs the heating heat at generator 1, at resolver 12 absorbing environmental water (or industrial waste heat) heats, then by absorber 5, segregator 3, haustorium 9 constitutes the sorption type heat pump circulation pattern thus to extraneous heat supply again.
The low-temperature receiver heat carrier is ambient water or industrial wastewater.

Claims (5)

1, a kind of ammonia absorption type refrigeration and heat pump dual-purpose system, comprise generator (1), rectifier (2), segregator (3), solution choke valve (4), absorber (5), first solution heat exchanger (6), first solution pump (7), hopper (8), subcooler (10), ammonia choke valve (11), it is characterized in that, this system also comprises haustorium (9) again, resolver (12), equilibrium liquid pipe (15), second solution heat exchanger (13) and second solution pump (14), wherein, generator (1), rectifier (2) is connected with segregator (3), the ammonia output (3a) of segregator (3) links to each other with the ammonia input (9c) of haustorium (9) again by the ammonia pipeline, again the fluid mouth of pipe (9b) of haustorium (9) by ammoniacal liquor pipeline and the second solution heat exchanger ammoniacal liquor enter the mouth (13a) link to each other, second solution heat exchanger ammoniacal liquor outlet (13b) links to each other with subcooler ammoniacal liquor inlet (10a) by the ammoniacal liquor pipeline, subcooler ammoniacal liquor outlet (10b) links to each other with ammonia choke valve ammoniacal liquor inlet (11a) by the ammoniacal liquor pipeline, and ammonia choke valve ammoniacal liquor outlet (11b) links to each other with resolver ammoniacal liquor inlet (12a) by the ammoniacal liquor pipeline; The rare ammoniacal liquor outlet of resolver (12b) links to each other by the rare ammoniacal liquor inlet of the rare ammoniacal liquor pipeline and second solution pump (14a), the rare ammoniacal liquor of second solution pump outlet (14b) by the weak aqua ammonia pipeline and the second solution heat exchanger weak aqua ammonia enter the mouth (13c) link to each other, the second solution heat exchanger weak aqua ammonia export (13d) pass through weak aqua ammonia pipeline and haustorium weak aqua ammonia again enter the mouth (9a) link to each other; Be serially connected with first stop valve (a) by rare ammoniacal liquor pipeline between the rare ammoniacal liquor inlet of the rare ammoniacal liquor outlet of resolver (12b) and second solution pump (14a); Between the outlet (8b) of hopper concentrated ammonia liquor and the rare ammoniacal liquor outlet of second solution pump (14b), be serially connected with an equilibrium liquid pipe (15) and the 3rd stop valve (c); The outlet of hopper concentrated ammonia liquor (8b) enters the mouth with the rare ammoniacal liquor of second solution pump and is serially connected with second stop valve (b) between (14a) on the pipeline that links to each other; On the balance pipeline that links to each other, be serially connected with the 6th stop valve (f) between the first balance mouth of pipe (5f) of absorber (5) and the second balance mouth of pipe (8c) of hopper (8), the first balance mouth of pipe (5f) of absorber (5) is serially connected with the 6th stop valve (f) and the 5th stop valve (e) with the 3rd balance mouth of pipe (12c) of resolver (12) on the balance pipeline that links to each other, the second balance mouth of pipe (8c) of hopper (8) is in series with the 5th stop valve (e) with the 3rd balance mouth of pipe (12c) of resolver (12) on the auxiliary line that links to each other; Generator weak aqua ammonia output (1b) links to each other with the first solution heat exchanger weak aqua ammonia input (6a), the first solution heat exchanger weak aqua ammonia output (6b) links to each other with absorber weak aqua ammonia input (5a) by solution choke valve (4), absorber ammonia import (5b) links to each other with subcooler ammonia outlet (10d), subcooler ammonia import (10c) links to each other with resolver ammonia outlet (12d), hopper concentrated ammonia liquor import (8a) links to each other with absorber concentrated ammonia liquor outlet (5c), hopper concentrated ammonia liquor outlet (8b) links to each other with the concentrated ammonia liquor import (6c) of first solution heat exchanger (6) with first solution pump (7) by the 4th stop valve (d), first solution heat exchanger concentrated ammonia liquor outlet (6d) links to each other with the middle part of rectifier (2), the heating steam pipeline is introduced by steam of generator import (1a), draws from generator condensate water outlet (1c); Cooling water pipeline is introduced from the cooling water inlet (5d) of absorber (5), draw the back from absorber coolant outlet (5e) and introduce segregator cooling water inlet (3b), after segregator coolant outlet (3c) is drawn, introduce again haustorium cooling water inlet (9d), draw from haustorium coolant outlet (9e) again; The refrigerating medium pipeline is introduced by resolver refrigerating medium import (12e), draws from resolver refrigerating medium outlet (12f).
2, ammonia absorption type refrigeration as claimed in claim 1 and heat pump dual-purpose system is characterized in that, haustorium (9) structure is a spray structure again.
3, ammonia absorption type refrigeration as claimed in claim 1 and heat pump dual-purpose system is characterized in that, resolver (12) is full liquid boiling type structure.
4, the cooling and heating method of a kind of ammonia absorption type refrigeration according to claim 1 and heat pump dual-purpose system is characterized in that:
Heat supply method is: open first stop valve (a), the 4th stop valve (d) and the 6th stop valve (f), close the 3rd stop valve (c), second stop valve (b), the 5th stop valve (e), concentrated ammonia solution is sent into rectifier (2) by hopper (8) after by the 4th stop valve (d), first solution pump (7), first solution heat exchanger (6), produces highly purified ammonia steam and ammoniacal liquor weak solution in generator (1), rectifier (2) and segregator (3); Ammonia enters haustorium (9) again, come out from resolver (12) and through first stop valve (a), second solution pump (14), second solution heat exchanger (13) ammoniacal liquor of haustorium (9) extremely again absorbs, the ammoniacal liquor of the high concentration after the absorption is through second solution heat exchanger (13), subcooler (10) and ammonia choke valve (11) enter resolver (12), in resolver (12), absorb the heat of low-temperature receiver heat carrier and resolved vaporization, resolve ammonia after the vaporization by entering absorber (5), absorbed from generator (1) and through the dilute ammonia solution that first solution heat exchanger (6) and solution choke valve (4) enter absorber (5) through subcooler (10); The ammonia spirit that goes out resolver (12) is through first stop valve (a), second solution pump (14), second solution heat exchanger (13) is sent into haustorium (9) again, heat supply hot water is by absorber (5), segregator (3), haustorium (9) obtains heating up again, realize the heat supply function, ambient water is lowered the temperature by resolver (12), and heating steam is emitted heat and the discharge of condensing in generator (1);
Refrigerating method is: close the 4th stop valve (d) and second stop valve (b), open the 3rd stop valve (c) and the 5th stop valve (e), solution in the resolver (12) is sent into hopper (8) by second solution pump (14), close first stop valve (a), the 3rd stop valve (c) and the 5th stop valve (e) then, open the 4th stop valve (d), the solution-treated process finishes; Concentrated ammonia solution is sent into rectifier (2) by hopper (8) after by the 4th stop valve (d), first solution pump (7), first solution heat exchanger (6), produces highly purified ammonia steam and ammoniacal liquor weak solution in generator (1), rectifier (2) and segregator (3); Ammonia enters haustorium (9) water condensation that is cooled again, the ammoniacal liquor of condensation enters resolver (12) through second solution heat exchanger (13), subcooler (10) and ammonia choke valve (11), in resolver (12), absorb the heat of the object that is cooled and vaporize, ammonia after the vaporization is by entering absorber (5) through subcooler (10), absorbed from generator (1) and through the dilute ammonia solution that first solution heat exchanger (6) and solution choke valve (4) enter absorber; Cooling water is by absorber (5), segregator (3), haustorium (9) again, and chilled water is by resolver (12) the realization refrigerating function of lower the temperature, and heating steam is emitted heat and condensed discharge in generator (1).
5, the heat supply method of ammonia absorption type refrigeration as claimed in claim 4 and heat pump dual-purpose system is characterized in that, described low-temperature receiver heat carrier is ambient water or industrial wastewater.
CNA2007100229538A 2007-05-25 2007-05-25 Ammonia absorption type refrigeration and hot pump dual-purpose system and cool and heat supply method Pending CN101059290A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNA2007100229538A CN101059290A (en) 2007-05-25 2007-05-25 Ammonia absorption type refrigeration and hot pump dual-purpose system and cool and heat supply method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNA2007100229538A CN101059290A (en) 2007-05-25 2007-05-25 Ammonia absorption type refrigeration and hot pump dual-purpose system and cool and heat supply method

Publications (1)

Publication Number Publication Date
CN101059290A true CN101059290A (en) 2007-10-24

Family

ID=38865521

Family Applications (1)

Application Number Title Priority Date Filing Date
CNA2007100229538A Pending CN101059290A (en) 2007-05-25 2007-05-25 Ammonia absorption type refrigeration and hot pump dual-purpose system and cool and heat supply method

Country Status (1)

Country Link
CN (1) CN101059290A (en)

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101915478A (en) * 2010-08-13 2010-12-15 上海交通大学 Ammonia water absorption refrigerating machine driven by marine exhaust
CN102530442A (en) * 2012-02-07 2012-07-04 南通四方罐式储运设备制造有限公司 Intelligent heating refrigerating dual-purpose tank-type container
CN103542590A (en) * 2012-07-17 2014-01-29 中国科学院工程热物理研究所 Ammonium hydroxide absorption refrigerating system and active regulating and controlling method of concentration of ammonium hydroxide absorption refrigerating system
CN107421158A (en) * 2017-08-18 2017-12-01 新地能源工程技术有限公司 A kind of combined heat apparatus and method of fuel/electricity
CN107436053A (en) * 2017-08-18 2017-12-05 新地能源工程技术有限公司 A kind of heat and cold supplier and method using natural gas driving
CN107477651A (en) * 2017-08-18 2017-12-15 新地能源工程技术有限公司 A kind of fuel heating plant and method suitable for cold district
CN108050571A (en) * 2017-11-29 2018-05-18 上海交通大学 Single-stage balanced type ammonia-water reabsorbs formula heat pump cycle equipment and heat supply method
CN108072192A (en) * 2017-11-29 2018-05-25 上海交通大学 Three-level isothermal equilibrium formula ammonia-water reabsorbs formula heat pump cycle and heat supply method
CN108088111A (en) * 2017-11-29 2018-05-29 上海交通大学 Two-stage isothermal ammonia-water reabsorbs formula heat pump cycle and heat supply method
CN109595851A (en) * 2018-09-26 2019-04-09 中山市恒乐电器有限公司 A kind of combined heat pump absorption system and the water heater using it
CN110081636A (en) * 2019-04-19 2019-08-02 东南大学 A kind of solution chiasma type ammonium hydroxide absorbs, reabsorbs formula heat pump system
CN111111386A (en) * 2020-02-25 2020-05-08 韶关凯鸿纳米材料有限公司 Ammonia distillation and ammonia absorption dual-purpose heat exchange system and use method thereof
CN111911990A (en) * 2020-07-13 2020-11-10 东南大学 Remote absorption type cooling and heating system based on solution energy storage
CN113686045A (en) * 2021-08-09 2021-11-23 天津乐科节能科技有限公司 Ammonia water absorption heat pump system and method with low solution pump power consumption
CN115013998A (en) * 2022-06-27 2022-09-06 张丽红 Ammonia absorption heat pump and control method thereof

Cited By (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101915478A (en) * 2010-08-13 2010-12-15 上海交通大学 Ammonia water absorption refrigerating machine driven by marine exhaust
CN101915478B (en) * 2010-08-13 2011-11-16 上海交通大学 Ammonia water absorption refrigerating machine driven by marine exhaust
CN102530442A (en) * 2012-02-07 2012-07-04 南通四方罐式储运设备制造有限公司 Intelligent heating refrigerating dual-purpose tank-type container
CN103542590A (en) * 2012-07-17 2014-01-29 中国科学院工程热物理研究所 Ammonium hydroxide absorption refrigerating system and active regulating and controlling method of concentration of ammonium hydroxide absorption refrigerating system
CN103542590B (en) * 2012-07-17 2015-10-28 中国科学院工程热物理研究所 Ammonia absorption type refrigeration system and concentration active control method thereof
CN107421158A (en) * 2017-08-18 2017-12-01 新地能源工程技术有限公司 A kind of combined heat apparatus and method of fuel/electricity
CN107436053A (en) * 2017-08-18 2017-12-05 新地能源工程技术有限公司 A kind of heat and cold supplier and method using natural gas driving
CN107477651A (en) * 2017-08-18 2017-12-15 新地能源工程技术有限公司 A kind of fuel heating plant and method suitable for cold district
CN108088111A (en) * 2017-11-29 2018-05-29 上海交通大学 Two-stage isothermal ammonia-water reabsorbs formula heat pump cycle and heat supply method
CN108072192A (en) * 2017-11-29 2018-05-25 上海交通大学 Three-level isothermal equilibrium formula ammonia-water reabsorbs formula heat pump cycle and heat supply method
CN108050571A (en) * 2017-11-29 2018-05-18 上海交通大学 Single-stage balanced type ammonia-water reabsorbs formula heat pump cycle equipment and heat supply method
CN108088111B (en) * 2017-11-29 2019-12-06 上海交通大学 two-stage isothermal ammonia-water reabsorption heat pump circulation and heat supply method
CN108072192B (en) * 2017-11-29 2020-02-07 上海交通大学 Three-stage isothermal balance type ammonia-water re-absorption heat pump circulation and heat supply method
CN109595851A (en) * 2018-09-26 2019-04-09 中山市恒乐电器有限公司 A kind of combined heat pump absorption system and the water heater using it
CN110081636A (en) * 2019-04-19 2019-08-02 东南大学 A kind of solution chiasma type ammonium hydroxide absorbs, reabsorbs formula heat pump system
CN111111386A (en) * 2020-02-25 2020-05-08 韶关凯鸿纳米材料有限公司 Ammonia distillation and ammonia absorption dual-purpose heat exchange system and use method thereof
CN111911990A (en) * 2020-07-13 2020-11-10 东南大学 Remote absorption type cooling and heating system based on solution energy storage
CN113686045A (en) * 2021-08-09 2021-11-23 天津乐科节能科技有限公司 Ammonia water absorption heat pump system and method with low solution pump power consumption
CN113686045B (en) * 2021-08-09 2022-09-06 天津乐科节能科技有限公司 Ammonia water absorption heat pump system and method with low solution pump power consumption
CN115013998A (en) * 2022-06-27 2022-09-06 张丽红 Ammonia absorption heat pump and control method thereof
CN115013998B (en) * 2022-06-27 2023-05-12 张丽红 Ammonia water absorption heat pump and control method thereof

Similar Documents

Publication Publication Date Title
CN101059290A (en) Ammonia absorption type refrigeration and hot pump dual-purpose system and cool and heat supply method
CN100533004C (en) High-efficiency low-temperature absorptive refrigerating machine
CN101059291A (en) Ammonia absorption and compression combined refrigeration and circulation system and refrigeration circulation method
CN103542597B (en) A kind of power and refrigeration cogeneration system being suitable for recovery temperature-variable heat source
CN103195526A (en) Combined cooling power generation composite system based on supercritical organic Rankine cycle
CN101033897A (en) System and method for transforming low temperature residual heat into steam
CN103411347A (en) Coupling type heat pump waste heat recovery system
CN1877227A (en) Two-stage type-I absorption heat pump
CN102155813A (en) Thermochemical absorption and refrigeration device driven by condensation heat of air conditioning unit
CN101055136A (en) Low grade energy driven and mechanical power driven composite heat pump, refrigeration system
CN107490210B (en) Thermally coupled compression absorption type waste heat recovery heat pump circulating system and method thereof
US11940187B2 (en) Water treatment system of coupling heat pump with multi-effect evaporation and operating method thereof
CN108775731A (en) A kind of double effect absorption type heat pump and water source exhaust heat recovering method
CN107289663A (en) A kind of energy-conserving refrigeration system based on waste heat recovery
CN106969542A (en) Absorption heat pump circulating system
CN201949793U (en) Absorption-type freeze drying machine driven by waste heat of air compressor
CN101666563A (en) Multi-stage generation absorption heat pump and refrigerating machine set
CN102230702A (en) Two-stage ejection refrigeration cycle system with economizer
CN102645050A (en) Ammonia water absorbing-type refrigeration system and method using concentration-adjustable working medium
CN101818967A (en) Composite energy storage and supply device via thermochemical temperature swing adsorption combined cold-heat supply
CN101315227A (en) Multi-effect adsorption type cooling cycle system
CN101093118B (en) Single stage composite absorption type compressor
CN2856872Y (en) Lithium bromide double-effective absorbing, directly heating air conditioner for engine
CN101619907B (en) High-efficiency vapor double effect lithium bromide absorption type refrigerating unit
CN102679623A (en) Ammonia-water-absorption water refrigerating and heating system device

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C02 Deemed withdrawal of patent application after publication (patent law 2001)
WD01 Invention patent application deemed withdrawn after publication