CN103471278A - Parallel-connection triple-effect first-class absorption heat pump sharing evaporator - Google Patents

Parallel-connection triple-effect first-class absorption heat pump sharing evaporator Download PDF

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Publication number
CN103471278A
CN103471278A CN2013104061423A CN201310406142A CN103471278A CN 103471278 A CN103471278 A CN 103471278A CN 2013104061423 A CN2013104061423 A CN 2013104061423A CN 201310406142 A CN201310406142 A CN 201310406142A CN 103471278 A CN103471278 A CN 103471278A
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generator
communicated
solution
heat exchanger
absorber
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CN2013104061423A
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刘伟光
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Individual
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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 parallel-connection triple-effect first-class absorption heat pump sharing an evaporator and belongs to the technical field of absorption heat pumps. A first absorber is connected with a first solution pump to be communicated with a first generator through a first solution heat exchanger, with a second generator through a second solution heat exchanger and with a third generator through a third solution heat exchanger. The first generator and the second generator are connected with the first solution heat exchanger and the second solution heat exchanger respectively to be converged with the third generator through the third solution heat exchanger to be communicated with the first absorber. The first generator is further communicated with the external through a driving heat medium pipeline and a refrigerant steam channel. The second generator and the third generator are communicated with the external through a refrigerant steam channel respectively. A second absorber is communicated with a fourth generator through a second solution pump and a fourth solution heat exchanger, and the fourth generator is further communicated with the external through a driving heat medium pipeline and a refrigerant steam channel. A first condenser and a second condenser are further communicated with the evaporator through a refrigerant pipeline and a throttling valve, the first absorber, the second absorber, the first condenser and the second condenser are communicated with the external through a heated medium pipeline respectively, and the evaporator is further communicated with the external through a waste heat medium pipeline to form the parallel-connection triple-effect first-class absorption heat pump sharing the evaporator.

Description

A kind of triple-effect first category absorption heat pump in parallel of shared evaporimeter
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technical field:
The invention belongs to the low temperature heat technical field of heat pumps.
background technology:
While utilizing traditional absorption heat pump technology recovery waste heat resource to meet user's demand, along with heat supply temperature being required to be to raise, the performance index of corresponding unit also can be along with reduction, to the utilization ratio of residual heat resources along with reduction.The abundant place for some residual heat resources, if selecting, single choice adopts the triple-effect first category absorption heat pump unit, although the more classical first-class absorption type heat pump unit of performance index is high, but its heat supply temperature is relatively low, be very limited, and while select adopting the absorption unit of the classical first kind heat of waste heat medium can be brought up to user's demand temperature, its performance index is low than triple-effect first category absorption heat pump, in reality production, the general low-temperature zone at heated medium adds the triple-effect first category absorption heat pump unit that the thermal recovery performance index is higher, and adopt a classical class absorption heat pump unit when the heating of the high temperature section of heated medium, use two units simultaneously, significantly increase see enterprise's use cost and its combination property index lower.
For the heat supply temperature improving first-class absorption type heat pump is met consumers' demand simultaneously, make unit have higher performance index, in order to utilize more efficiently residual heat resources, the present invention adopts flow process cleverly, its solution adopts form in parallel when realizing the triple effect flow process, obtained a kind of triple-effect first category absorption heat pump in parallel of shared evaporimeter, the advantage of having gathered classical first-class absorption type heat pump and triple-effect first category absorption heat pump, can complete respectively the heating of the different sections of heated medium by not being both solution circulation, have higher performance index when meeting user's heat demand, 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 that simultaneously there are a plurality of different temperatures sections, can meet the different heat demands of user, enriched the type of first-class absorption type heat pump unit, to efficiently utilizing residual heat resources to be significant.
summary of the invention:
Main purpose of the present invention is to provide a kind of triple-effect first category absorption heat pump in parallel of shared evaporimeter, and concrete summary of the invention subitem is described below:
A kind of triple-effect first category absorption heat pump in parallel of shared evaporimeter, mainly be comprised of the first generator, the second generator, the 3rd generator, the 4th generator, the first absorber, the second 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, first throttle valve, the second choke valve, the 3rd choke valve, the 4th choke valve, the first solution pump and the second solution pump.The first absorber has the weak solution pipeline to be divided into three tunnels after the first solution pump: first via weak solution pipeline is communicated with the first generator through the first liquid heat exchanger; The second tunnel weak solution pipeline is communicated with the second generator through the second liquid heat exchanger; Third Road weak solution pipeline is communicated with the 3rd generator through the 3rd liquid heat exchanger.The first generator have the concentrated solution pipeline through after the first solution heat exchanger, the second generator has the concentrated solution pipeline to be communicated with the first absorber through after the second solution heat exchanger, all with the 3rd generator, having the concentrated solution pipeline of concentrated solution pipeline after the 3rd solution heat exchanger to converge again.The first generator has the refrigerant vapour passage to be communicated with the first condenser through the second generator and first throttle valve.The second generator has the refrigerant vapour passage to be communicated with the first condenser through the 3rd generator and the second choke valve.The 3rd generator has the refrigerant vapour passage to be communicated with the first condenser, and the first condenser has the cryogen liquid pipeline to be communicated with evaporimeter through the 3rd choke valve.Evaporimeter has respectively the refrigerant vapour passage to be communicated with the first absorber and the second absorber.The second absorber has the 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 the concentrated solution pipeline to be communicated with the second absorber through the 4th solution heat exchanger, and the 4th generator also has the refrigerant vapour passage to be communicated with the second condenser.The second condenser has the cryogen liquid pipeline to be communicated with evaporimeter through the 4th choke valve.The first absorber, the second absorber, the first condenser and the second condenser have respectively the heated medium pipeline to be communicated with outside.The evaporimeter medium pipeline that also has surplus heat is communicated with outside.The first generator and the 4th generator also have respectively the thermal medium of driving pipeline to be communicated with outside, form a kind of triple-effect first category absorption heat pump in parallel of shared evaporimeter.
the accompanying drawing explanation:
Fig. 1 is structure and the schematic flow sheet of the triple-effect first category absorption heat pump in parallel 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 first absorber, the 6-the second absorber, the 7-the first condenser, the 8-the second condenser, 9-evaporimeter, the 10-the first solution heat exchanger, the 11-the second solution heat exchanger, the 12-the three solution heat exchanger, the 13-the four solution heat exchanger, 14-first throttle valve, the 15-the second choke valve, the 16-the three choke valve, the 17-the four choke valve, the 18-the first solution pump, the 19-the second solution pump.
the specific embodiment:
The triple-effect first category absorption heat pump in parallel of a kind of shared evaporimeter shown in Fig. 1 is achieved in that
(1) on structure, it mainly, by a kind of triple-effect first category absorption heat pump in parallel of shared evaporimeter, mainly is comprised of the first generator, the second generator, the 3rd generator, the 4th generator, the first absorber, the second 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, first throttle valve, the second choke valve, the 3rd choke valve, the 4th choke valve, the first solution pump and the second solution pump.The first absorber 5 has the weak solution pipeline to be divided into three tunnels after the first solution pump 18: first via weak solution pipeline is communicated with the first generator 1 through the first liquid heat exchanger 10; The second tunnel weak solution pipeline is communicated with the second generator 2 through the second liquid heat exchanger 11; Third Road weak solution pipeline is communicated with the 3rd generator 3 through the 3rd liquid heat exchanger 12.The first generator 1 have the concentrated solution pipeline through after the first solution heat exchanger 10, the second generator 2 has the concentrated solution pipeline to be communicated with the first absorber 5 through after the second solution heat exchanger 11, all with the 3rd generator 3, having the concentrated solution pipeline of concentrated solution pipeline after the 3rd solution heat exchanger 12 to converge again.The first generator 1 has the refrigerant vapour passage to be communicated with the first condenser 7 through the second generator 2 and first throttle valve 14.The second generator 2 has the refrigerant vapour passage to be communicated with the first condenser 7 through the 3rd generator 3 and the second choke valve 15.The 3rd generator 3 has the refrigerant vapour passage to be communicated with the first condenser 7, and the first condenser 7 has the cryogen liquid pipeline to be communicated with evaporimeter 9 through the 3rd choke valve 16.Evaporimeter 9 has respectively the refrigerant vapour passage to be communicated with the first absorber 5 and the second absorber 6.The second absorber 6 has the weak solution pipeline to be communicated with the 4th generator 4 through the second solution pump 19 and the 4th solution heat exchanger 13.The 4th generator 4 has the concentrated solution pipeline to be communicated with the second absorber 6 through the 4th solution heat exchanger 13.The 4th generator 4 also has the refrigerant vapour passage to be communicated with the second condenser 8, and the second condenser 8 has the cryogen liquid pipeline to be communicated with evaporimeter 9 through the 4th choke valve 17.The first absorber 5, the second absorber 6, the first condenser 7 and the second condenser 8 have respectively the heated medium pipeline to be communicated with outside.Evaporimeter 9 medium pipeline that also has surplus heat is communicated with outside.The first generator 1 and the 4th generator 4 also have respectively the thermal medium of driving pipeline to be communicated with outside, form a kind of triple-effect first category absorption heat pump in parallel of shared evaporimeter.
(2), on flow process, the weak solution of the first absorber 5 is flowed through after the first solution pump P and is divided into three tunnels.First via weak solution first solution heat exchanger 10 of flowing through enters the first generator 1.The second tunnel weak solution second solution heat exchanger 11 of flowing through enters the second generator 2.Third Road weak solution the 3rd solution heat exchanger 12 of flowing through enters the 3rd generator 3.The concentrated solution of all flowing through after the 3rd solution heat exchanger 12 with the concentrated solution of the 3rd generator 3 after the concentrated solution of the first generator 1 is flowed through after the first solution heat exchanger 10, the concentrated solution of the second generator 2 is flowed through the second solution heat exchanger 11 is converged and is entered the first absorber 5, absorbs from the refrigerant vapour of the first evaporimeter 91 heat release in the heated medium of first absorber 5 of flowing through.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 from the refrigerant vapour of the first generator 1.The refrigerant vapour heat release becomes cryogen liquid second choke valve 15 of flowing through again and enters the first condenser 7.Flow through the 3rd generator 3 as flow through concentrated solution in it discharge refrigerant vapour and provide to the first condenser 7 of the driving thermal medium of the 3rd generator 3, heating from the refrigerant vapour of the second generator 2.Refrigerant vapour becomes the cryogen liquid first throttle valve 14 of flowing through again and enters the first condenser 7.The refrigerant vapour heat release that enters the first condenser 7 becomes cryogen liquid in the heated medium from outside.The first condenser 7 has cryogen liquid the 3rd choke valve 16 of flowing through to enter evaporimeter 9; The second absorber 6 has weak solution to flow through after the second solution pump 19 pressurization to flow through the 4th solution heat exchanger 13 to enter the 4th generator 4.The 4th generator 4 has concentrated solution the 4th solution heat exchanger 13 of flowing through to enter the second absorber 6.The concentrated solution of the 4th generator 4 is discharged refrigerant vapour and provides to the second condenser 8 by the heating of the driving thermal medium from outside; The refrigerant vapour heat release that enters the second condenser 8 becomes cryogen liquid in the heated medium from outside.The second condenser 8 has cryogen liquid the 4th choke valve 17 of flowing through to enter evaporimeter 9.Cryogen liquid in evaporimeter 9 is become refrigerant vapour by the waste heat dielectric heating from outside to be provided to the first absorber 5 and the second absorber 6 respectively, forms a kind of triple-effect first category absorption heat pump in parallel of shared evaporimeter.
the effect that the technology of the present invention can realize---the triple-effect first category absorption heat pump in parallel of a kind of shared evaporimeter proposed by the invention has following effect and advantage:
1. the triple-effect first category absorption heat pump in parallel of a shared evaporimeter, higher to the waste heat supply temperature lifting, can utilize the residual heat resources of lower temperature to meet heat demand, improves the residual heat resources utilization rate.
2. the triple-effect first category absorption heat pump in parallel of a kind of shared evaporimeter provided by the invention, be skillfully constructed, and has simple in structurely, and flow process is reasonable.
3. the triple-effect first category absorption heat pump in parallel 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.
4. the triple-effect first category absorption heat pump in parallel of a kind of shared evaporimeter provided by the invention, have a plurality of heat supply ends, can meet user's different demands.

Claims (1)

1. the triple-effect first category absorption heat pump in parallel of a shared evaporimeter, mainly by the first generator, the second generator, the 3rd generator, the 4th generator, the first absorber, the second 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 first throttle valve, the second choke valve, the 3rd choke valve, the 4th choke valve, the first solution pump and the second solution pump form, the first absorber (5) has the weak solution pipeline to be divided into three tunnels after the first solution pump (18), first via weak solution pipeline is communicated with the first generator (1) through the first liquid heat exchanger (10), the second tunnel weak solution pipeline is communicated with the second generator (2) through the second liquid heat exchanger (11), Third Road weak solution pipeline is communicated with the 3rd generator (3) through the 3rd liquid heat exchanger (12), the first generator (1) has the concentrated solution pipeline after the first solution heat exchanger (10), the second generator (2) has the concentrated solution pipeline to be communicated with the first absorber (5) through after the second solution heat exchanger (11), all with the 3rd generator (3), having the concentrated solution pipeline of concentrated solution pipeline after the 3rd solution heat exchanger (12) to converge again, the first generator (1) has the refrigerant vapour passage to be communicated with the first condenser (7) through the second generator (2) and first throttle valve (14), the second generator (2) has the refrigerant vapour passage to be communicated with the first condenser (7) through the 3rd generator (3) and the second choke valve (15), the 3rd generator (3) has the refrigerant vapour passage to be communicated with the first condenser (7), the first condenser (7) has the cryogen liquid pipeline to be communicated with evaporimeter (9) through the 3rd choke valve (16), evaporimeter (9) has respectively the refrigerant vapour passage to be communicated with the first absorber (5) and the second absorber (6), the second absorber (6) has the weak solution pipeline to be communicated with the 4th generator (4) through the second solution pump (19) and the 4th solution heat exchanger (13), the 4th generator (4) has the concentrated solution pipeline to be communicated with the second absorber (6) through the 4th solution heat exchanger (13), the 4th generator (4) also has the refrigerant vapour passage to be communicated with the second condenser (8), the second condenser (8) has the cryogen liquid pipeline to be communicated with evaporimeter (9) through the 4th choke valve (17), the first absorber (5), the second absorber (6), the first condenser (7) and the second condenser (8) have respectively the heated medium pipeline to be communicated with outside, evaporimeter (9) medium pipeline that also has surplus heat is communicated with outside, the first generator (1) and the 4th generator (4) also have respectively the thermal medium of driving pipeline to be communicated with outside, form a kind of triple-effect first category absorption heat pump in parallel of shared evaporimeter.
CN2013104061423A 2013-09-09 2013-09-09 Parallel-connection triple-effect first-class absorption heat pump sharing evaporator Pending CN103471278A (en)

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CN2013104061423A CN103471278A (en) 2013-09-09 2013-09-09 Parallel-connection triple-effect first-class absorption heat pump sharing evaporator

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Application Number Priority Date Filing Date Title
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