CN103542579A - Two-stage reverse series-connection triple-effect first-class absorption-type heat pump sharing evaporator - Google Patents

Two-stage reverse series-connection triple-effect first-class absorption-type heat pump sharing evaporator Download PDF

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Publication number
CN103542579A
CN103542579A CN201310458833.8A CN201310458833A CN103542579A CN 103542579 A CN103542579 A CN 103542579A CN 201310458833 A CN201310458833 A CN 201310458833A CN 103542579 A CN103542579 A CN 103542579A
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generator
communicated
solution
heat exchanger
absorber
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CN201310458833.8A
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刘伟光
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00—Adapting or protecting infrastructure or their operation
    • Y02A30/27—Relating to heating, ventilation or air conditioning [HVAC] technologies
    • Y02A30/274—Relating to heating, ventilation or air conditioning [HVAC] technologies using waste energy, e.g. from internal combustion engine
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/62—Absorption based systems
    • Y02B30/625—Absorption based systems combined with heat or power generation [CHP], e.g. trigeneration

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Abstract

The invention provides a two-stage reverse series-connection triple-effect first-class absorption-type heat pump sharing an evaporator, and belongs to the technical field of absorption-type heat pumps. A first absorber is communicated with a third generator through a first solution pump and a third solution heat exchanger, the third generator is communicated with a second generator through a third solution heat exchanger ands a second solution heat exchanger, a second generator is communicated with a first generator through the second solution heat exchanger and a first solution heat exchanger, a first generator is communicated with the first absorber through the first solution heat exchanger, the second generator and the third generator are respectively provided with a refrigerant steam passage to be communicated with the outside, the first generator, a fourth generator and a fifth generator is respectively provided with a drive heat medium pipeline and a refrigerant steam passage to be communicated with the outside, a first condenser and a second condenser is respectively provided with a refrigerant liquid pipeline to be communicated with the evaporator, the first absorber, a second absorber, the first condenser and the second condenser are respectively provided with a heated medium pipeline to be communicated with the outside, and the evaporator is provided with a waste heat medium pipeline to be communicated with the outside.

Description

A kind of two-stage first-class absorption type heat pump of falling serially connected three-effect of shared evaporimeter
?
technical field:
The invention belongs to low temperature heat technical field of heat pumps.
background technology:
For the abundant place of some residual heat resources, if selecting, single choice adopts triple-effect first category absorption heat pump unit, although the more classical two-stage first class absorption heat pump unit of performance index is high, but its heat supply temperature is relatively low, be very limited, and select to adopt higher that classical two-stage first-class absorption unit can promote the heat of waste heat medium, thereby meet user's heat demand, its performance index is low compared with triple-effect first category absorption heat pump, in reality production, generally the low-temperature zone at heated medium adds the triple-effect first category absorption heat pump unit that thermal recovery performance index is higher, and adopt classical two-stage first class absorption heat pump unit in high temperature section when heating of heated medium, use two units simultaneously, significantly increase see enterprise's use cost and its combination property index not ideal.
In order to meet consumers' demand simultaneously at the heat supply temperature that improves first-class absorption type heat pump, make unit have higher performance index, in order to utilize more efficiently residual heat resources, the present invention is in conjunction with classical two-stage first class absorption heat pump unit, adopt flow process cleverly, its solution adopts the form of series connection when realizing triple effect flow process, obtained a kind of two-stage first-class absorption type heat pump of falling serially connected three-effect of shared evaporimeter, the advantage of having gathered classical two-stage first class absorption heat pump and triple-effect first category absorption heat pump, by different solution circulations, can complete respectively the heating of the different sections of heated medium, when meeting user's heat demand, have higher performance index, and this unit can adopt as required two kinds of different solutions as working medium, solution completes respectively circulation process separately and is independent of each other, and share same evaporimeter, the advantages such as heat supply end simultaneously with a plurality of different temperatures sections, can meet the different heat demands of user, to efficiently utilizing residual heat resources to there is positive effect.
summary of the invention:
Main purpose of the present invention is to provide a kind of two-stage first-class absorption type heat pump of falling serially connected three-effect of shared evaporimeter, and concrete summary of the invention subitem is described below:
A kind of two-stage first-class absorption type heat pump of falling serially connected three-effect of shared evaporimeter, mainly by the first generator, the second generator, the 3rd generator, the 4th generator, the 5th generator, the first absorber, the second absorber, the 3rd absorber, the first condenser, the second condenser, evaporimeter, the first solution heat exchanger, the second solution heat exchanger, the 3rd solution heat exchanger, the 4th solution heat exchanger, the 5th solution heat exchanger, first throttle valve, the second choke valve, the 3rd choke valve, the 4th choke valve, the first solution pump, the second solution pump and the 3rd solution pump form.The first absorber has weak solution pipeline to be communicated with the 3rd generator through the first solution pump and the 3rd liquid heat exchanger.The 3rd generator has concentrated solution pipeline to be communicated with the second generator through the 3rd solution heat exchanger and the second solution heat exchanger.The second generator has concentrated solution pipeline to be communicated with the first generator through the second solution heat exchanger and the first liquid heat exchanger.The first generator has concentrated solution pipeline to be communicated with the first absorber through the first liquid heat exchanger.The first generator has refrigerant vapour passage to be communicated with the first condenser through the second generator and first throttle valve.The second generator has refrigerant vapour passage to be communicated with the first condenser through the 3rd generator and the second choke valve.The 3rd generator has refrigerant vapour passage to be communicated with the first condenser.The first condenser has cryogen liquid pipeline to be communicated with evaporimeter through the 3rd choke valve.Evaporimeter has respectively refrigerant vapour passage to be communicated with the first absorber and the second absorber.The second absorber has weak solution pipeline to be communicated with the 4th generator through the second solution pump and the 4th solution heat exchanger.The 4th generator has concentrated solution pipeline to be communicated with the second absorber through the 4th solution heat exchanger.The 4th generator also has refrigerant vapour passage to be communicated with the 3rd absorber, and the 3rd absorber has weak solution pipeline to be communicated with the 5th generator through the 3rd solution pump and the 5th solution heat exchanger.The 5th generator has concentrated solution pipeline to be communicated with the 3rd absorber through the 5th solution heat exchanger.The 5th generator also has refrigerant vapour passage to be communicated with the second condenser.The second condenser has cryogen liquid pipeline to be communicated with evaporimeter through the 4th choke valve.The first absorber, the second absorber, the 3rd absorber, the first condenser and the second condenser have respectively heated medium pipeline to be communicated with outside.The evaporimeter medium pipeline that also has surplus heat is communicated with outside.The first generator, the 4th generator and the 5th generator also have respectively the thermal medium of driving pipeline to be communicated with outside, form a kind of two-stage first-class absorption type heat pump of falling serially connected three-effect of shared evaporimeter.
accompanying drawing explanation:
Fig. 1 is structure and the schematic flow sheet of the two-stage first-class absorption type heat pump of falling serially connected three-effect of a kind of shared evaporimeter provided by the present invention.
In figure, the 1-the first generator, the 2-the second generator, the 3-the three generator, the 4-the four generator, the 5-the five generator, the 6-the first absorber, the 7-the second absorber, the 8-the three absorber, the 9-the first condenser, the 10-the second condenser, 11-evaporimeter, the 12-the first solution heat exchanger, the 13-the second solution heat exchanger, the 14-the three solution heat exchanger, the 15-the four solution heat exchanger, the 16-the five solution heat exchanger, 17-first throttle valve, the 18-the second choke valve, the 19-the three choke valve, the 20-the four choke valve, the 21-the first solution pump, the 22-the second solution pump, the 23-the three solution pump.
the specific embodiment:
The two-stage first-class absorption type heat pump of falling serially connected three-effect of a kind of shared evaporimeter shown in Fig. 1 is achieved in that
(1), in structure, it is mainly comprised of the first generator, the second generator, the 3rd generator, the 4th generator, the 5th generator, the first absorber, the second absorber, the 3rd absorber, the first condenser, the second condenser, evaporimeter, the first solution heat exchanger, the second solution heat exchanger, the 3rd solution heat exchanger, the 4th solution heat exchanger, the 5th solution heat exchanger, first throttle valve, the second choke valve, the 3rd choke valve, the 4th choke valve, the first solution pump, the second solution pump and the 3rd solution pump.The first absorber 6 has weak solution pipeline to be communicated with the 3rd generator 3 through the first solution pump 21 and the 3rd liquid heat exchanger 14.The 3rd generator 3 has concentrated solution pipeline to be communicated with the second generator 2 through the 3rd solution heat exchanger 14 and the second solution heat exchanger 13, and the second generator 2 has concentrated solution pipeline to be communicated with the first generator 1 through the second solution heat exchanger 13 and the first liquid heat exchanger 12.The first generator 1 has concentrated solution pipeline to be communicated with the first absorber 6 through the first liquid heat exchanger 12.The first generator 1 has refrigerant vapour passage to be communicated with the first condenser 9 through the second generator 2 and first throttle valve 17.The second generator 2 has refrigerant vapour passage to be communicated with the first condenser 9 through the 3rd generator 3 and the second choke valve 18.The 3rd generator 3 has refrigerant vapour passage to be communicated with the first condenser 9.The first condenser 9 has cryogen liquid pipeline to be communicated with evaporimeter 11 through the 3rd choke valve 19.Evaporimeter 11 has respectively refrigerant vapour passage to be communicated with the first absorber 6 and the second absorber 7.The second absorber 7 has weak solution pipeline to be communicated with the 4th generator 4 through the second solution pump 22 and the 4th solution heat exchanger 15.The 4th generator 4 has concentrated solution pipeline to be communicated with the second absorber 7 through the 4th solution heat exchanger 15.The 4th generator 4 also has refrigerant vapour passage to be communicated with the 3rd absorber 8.The 3rd absorber 8 has weak solution pipeline to be communicated with the 5th generator 5 through the 3rd solution pump 23 and the 5th solution heat exchanger 16.The 5th generator 5 has concentrated solution pipeline to be communicated with the 3rd absorber 8 through the 5th solution heat exchanger 16.The 5th generator 5 also has refrigerant vapour passage to be communicated with the second condenser 10.The second condenser 10 has cryogen liquid pipeline to be communicated with evaporimeter 11 through the 4th choke valve 20.The first absorber 6, the second absorber 7, the 3rd absorber 8, the first condenser 9 and the second condenser 10 have respectively heated medium pipeline to be communicated with outside.Evaporimeter 11 medium pipeline that also has surplus heat is communicated with outside.The first generator 1, the 4th generator 4 and the 5th generator 5 also have respectively the thermal medium of driving pipeline to be communicated with outside, form a kind of two-stage first-class absorption type heat pump of falling serially connected three-effect of shared evaporimeter.
(2), in flow process, flow through the first solution pump P and the 3rd solution heat exchanger 14 of the weak solution of the first absorber 6 enters the 3rd generator 3.The 3rd generator 3 has flow through the 3rd solution heat exchanger 14 and the second solution heat exchanger 13 of concentrated solution to enter the second generator 2.The second generator 2 has flow through the second solution heat exchanger 13 and the first solution heat exchanger 12 of concentrated solution to enter the first absorber 6.The concentrated solution of the first generator 1 first solution heat exchanger 12 of flowing through enters the first absorber 6, absorbs from the refrigerant vapour of the first evaporimeter 111 heat release in the heated medium of first absorber 6 of flowing through.From the refrigerant vapour of the first generator 1, flow through the second generator 2 as flow through concentrated solution in it discharge refrigerant vapour and provide to the 3rd generator 3 of the driving thermal medium of the second generator 2, heating.Refrigerant vapour heat release becomes cryogen liquid second choke valve 18 of flowing through again and enters the first condenser 9.From the refrigerant vapour of the second generator 2, flow through the 3rd generator 3 as flow through concentrated solution in it discharge refrigerant vapour and provide to the first condenser 9 of the driving thermal medium of the 3rd generator 3, heating.Refrigerant vapour becomes the cryogen liquid first throttle valve 17 of flowing through again and enters the first condenser 9.The refrigerant vapour heat release that enters the first condenser 9 becomes cryogen liquid in the heated medium from outside.The first condenser 9 has cryogen liquid the 3rd choke valve 19 of flowing through to enter evaporimeter 11; The second absorber 7 has weak solution to flow through to flow through after the second solution pump 22 pressurization the 4th solution heat exchanger 15 to enter the 4th generator 4.The 4th generator 4 has concentrated solution the 4th solution heat exchanger 15 of flowing through to enter the second absorber 7.The concentrated solution of the 4th generator 4 is discharged refrigerant vapour and provides to the 3rd absorber 8 by the driving thermal medium heating from outside.The 3rd absorber 8 has weak solution the 5th solution heat exchanger 16 of flowing through after the second solution pump 23 pressurization to enter the 5th generator 5.The 5th generator 5 has concentrated solution the 5th solution heat exchanger 16 of flowing through to enter the 3rd absorber 8, absorb refrigerant vapour heat release and heated medium from the 4th generator 4.The concentrated solution of the 5th generator 5 is discharged refrigerant vapour and provides to the second condenser 10 by the driving thermal medium heating from outside; The refrigerant vapour heat release that enters the second condenser 10 becomes cryogen liquid in the heated medium from outside.The second condenser 10 has cryogen liquid the 4th choke valve 20 of flowing through to enter evaporimeter 11.Cryogen liquid in evaporimeter 11 is become refrigerant vapour by the waste heat dielectric heating from outside to be provided to the first absorber 6 and the second absorber 7 respectively, forms a kind of two-stage first-class absorption type heat pump of falling serially connected three-effect of shared evaporimeter.
the effect that the technology of the present invention can realize---the two-stage first-class absorption type heat pump of falling serially connected three-effect of a kind of shared evaporimeter proposed by the invention, has following effect and advantage:
1. the two-stage first-class absorption type heat pump of falling serially connected three-effect of a kind of shared evaporimeter provided by the invention, has a plurality of heat supply ends, can meet user's different demands.
2. the two-stage first-class absorption type heat pump of falling serially connected three-effect of a kind of shared evaporimeter provided by the invention, is skillfully constructed, and has simple in structurely, and flow process is reasonable.
3. the two-stage first-class absorption type heat pump of falling serially connected three-effect of a shared evaporimeter is higher to waste heat supply temperature lifting, can utilize the residual heat resources of lower temperature to meet heat demand, improves residual heat resources utilization rate
4. the two-stage first-class absorption type heat pump of falling serially connected three-effect of a shared evaporimeter, can adopt a kind of or two kinds of solution to complete respectively each self-loopa as working medium, can choose different solutions as working media according to different demands, can better meet consumers' demand.

Claims (1)

1. the two-stage first-class absorption type heat pump of falling serially connected three-effect of a shared evaporimeter, mainly by the first generator, the second generator, the 3rd generator, the 4th generator, the 5th generator, the first absorber, the second absorber, the 3rd absorber, the first condenser, the second condenser, evaporimeter, the first solution heat exchanger, the second solution heat exchanger, the 3rd solution heat exchanger, the 4th solution heat exchanger, the 5th solution heat exchanger, first throttle valve, the second choke valve, the 3rd choke valve, the 4th choke valve, the first solution pump, the second solution pump and the 3rd solution pump form, the first absorber (6) has weak solution pipeline to be communicated with the 3rd generator (3) through the first solution pump (21) and the 3rd liquid heat exchanger (14), the 3rd generator (3) has concentrated solution pipeline to be communicated with the second generator (2) through the 3rd solution heat exchanger (14) and the second solution heat exchanger (13), the second generator (2) has concentrated solution pipeline to be communicated with the first generator (1) through the second solution heat exchanger (13) and the first liquid heat exchanger (12), the first generator (1) has concentrated solution pipeline to be communicated with the first absorber (6) through the first liquid heat exchanger (12), the first generator (1) has refrigerant vapour passage to be communicated with the first condenser (9) through the second generator (2) and first throttle valve (17), the second generator (2) has refrigerant vapour passage to be communicated with the first condenser (9) through the 3rd generator (3) and the second choke valve (18), the 3rd generator (3) has refrigerant vapour passage to be communicated with the first condenser (9), the first condenser (9) has cryogen liquid pipeline to be communicated with evaporimeter (11) through the 3rd choke valve (19), evaporimeter (11) has respectively refrigerant vapour passage to be communicated with the first absorber (6) and the second absorber (7), the second absorber (7) has weak solution pipeline to be communicated with the 4th generator (4) through the second solution pump (22) and the 4th solution heat exchanger (14), the 4th generator (4) has concentrated solution pipeline to be communicated with the second absorber (7) through the 4th solution heat exchanger (14), the 4th generator (4) also has refrigerant vapour passage to be communicated with the 3rd absorber (8), the 3rd absorber (8) has weak solution pipeline to be communicated with the 5th generator (5) through the 3rd solution pump (23) and the 5th solution heat exchanger (16), the 5th generator (5) has concentrated solution pipeline to be communicated with the 3rd absorber (8) through the 5th solution heat exchanger (16), the 5th generator (5) also has refrigerant vapour passage to be communicated with the second condenser (10), the second condenser (10) has cryogen liquid pipeline to be communicated with evaporimeter (11) through the 4th choke valve (20), the first absorber (6), the second absorber (7), the 3rd absorber (8), the first condenser (9) and the second condenser (10) have respectively heated medium pipeline to be communicated with outside, evaporimeter (11) medium pipeline that also has surplus heat is communicated with outside, the first generator (1), the 4th generator (4) and the 5th generator (5) also have respectively the thermal medium of driving pipeline to be communicated with outside, form a kind of two-stage first-class absorption type heat pump of falling serially connected three-effect of shared evaporimeter.
CN201310458833.8A 2013-10-07 2013-10-07 Two-stage reverse series-connection triple-effect first-class absorption-type heat pump sharing evaporator Pending CN103542579A (en)

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CN201310458833.8A CN103542579A (en) 2013-10-07 2013-10-07 Two-stage reverse series-connection triple-effect first-class absorption-type heat pump sharing evaporator

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CN201310458833.8A CN103542579A (en) 2013-10-07 2013-10-07 Two-stage reverse series-connection triple-effect first-class absorption-type heat pump sharing evaporator

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CN103542579A true CN103542579A (en) 2014-01-29

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