CN208222911U - The big temperature difference heat-exchange unit of absorption-compression type - Google Patents
The big temperature difference heat-exchange unit of absorption-compression type Download PDFInfo
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- CN208222911U CN208222911U CN201820321930.0U CN201820321930U CN208222911U CN 208222911 U CN208222911 U CN 208222911U CN 201820321930 U CN201820321930 U CN 201820321930U CN 208222911 U CN208222911 U CN 208222911U
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- heat
- absorption
- heat pump
- evaporator
- condenser
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Abstract
The big temperature difference heat-exchange unit of absorption-compression type provided by the utility model belongs to large temperature difference technology field.The big temperature difference heat-exchange unit of absorption-compression type, is made of components such as absorption heat pump, compression heat pump, heat exchanger, water circulating pump, part flow arrangement and converging devices.High temperature heat source sequentially enters generator and the heat exchanger cooling of absorption heat pump, enters back into the second condenser heating of compression heat pump, then sequentially enters the second evaporator cooling of the first evaporator and compression heat pump of absorption heat pump；A part of heated medium sequentially enters absorber and the heating of the first condenser of absorption heat pump, and another part enters heat exchanger heating.The significantly temperature drop of high temperature heat source may be implemented in the utility model, and the outlet temperature of high temperature heat source is made to be significantly less than the inlet temperature of heated medium.
Description
The utility model belongs to large temperature difference technology field.
Under the operating condition of existing conventional heat exchanger counter-flow arrangement, the outlet temperature of high temperature heat source be higher than heated medium into
Mouth temperature, diabatic process just may be implemented.Existing absorption heat pump technology may be implemented high temperature heat source and enter generator cooling, make
Heat pump unit is driven to may be implemented to absorb the lower waste heat of a part of temperature, high temperature heat source pipeline in evaporator for driving heat source
Series connection enters generator, heat pump external heat exchanger and the evaporator of absorption heat pump, and high temperature heat source may be implemented and go out evaporator temperature
Degree is lower than the inlet temperature of heated medium, but is limited by the limitation of absorption installation SOLUTION PROPERTIES and unit performance, absorbs
Formula thermo-compression evaporation temperature is lower, and it is higher to occur temperature, is unfavorable for high temperature heat source and cools down in generator, lower same of temperature occurs
When evaporating temperature it is higher, be unfavorable for high temperature heat source and cool down in evaporator.Existing compression heat pump technology, passes through the work of compressor
With may be implemented to absorb heat out of evaporator, heat release in condenser, the evaporating temperature in evaporator is low, is suitble to absorb temperature lower
Waste heat.
The utility model is intended to widen the temperature difference of high temperature heat source outlet and heated medium import, realizes to high temperature heat source
It sufficiently efficiently utilizes, the main purpose of the utility model is to provide the big temperature difference heat-exchange unit of absorption-compression type, particular content
Subitem is described below:
1. the big temperature difference heat-exchange unit of absorption-compression type, mainly by generator, the first evaporator, absorber, first cold
Condenser, the second condenser, the second evaporator, compressor, throttle valve, heat exchanger, water circulating pump, part flow arrangement and converging device institute
Composition；Generator has high temperature heat source pipeline and external communication, and heat exchanger has high temperature heat source pipeline and external communication, the second condenser
There are high temperature heat source pipeline and external communication, the first evaporator has high temperature heat source pipeline and external communication, and the second evaporator has high temperature
Absorption heat pump generator, heat exchanger, compression heat pump second are passed through in heat source pipeline and external communication, the series connection of high temperature heat source pipeline
The second evaporator of condenser, the first evaporator of absorption heat pump and compression heat pump.Absorber has heated medium pipeline and outer
Portion's connection, the first condenser have heated medium pipeline and external communication, and heat exchanger has heated medium pipeline and external communication,
Absorber and the first condenser are passed through in the series connection of one heated medium pipeline, and another part heated medium pipeline, which independently flows through, to be changed
Hot device forms the big temperature difference heat-exchange unit of absorption-compression type.
2. the big temperature difference heat-exchange unit of absorption-compression type, mainly by generator, the first evaporator, absorber, first cold
Condenser, the second condenser, the second evaporator, compressor, throttle valve, heat exchanger, water circulating pump are formed；Generator has high warm
Source capsule road and external communication, heat exchanger have high temperature heat source pipeline and an external communication, and the second condenser has high temperature heat source pipeline and outer
Portion's connection, the first evaporator have high temperature heat source pipeline and external communication, and the second evaporator has high temperature heat source pipeline and external communication,
The series connection of high temperature heat source pipeline is by absorption heat pump generator, heat exchanger, the second condenser of compression heat pump, absorption heat pump the
The second evaporator of one evaporator and compression heat pump, heated medium pipeline, which is connected, passes through absorber and the first condenser, then into
Enter heat exchanger, forms the big temperature difference heat-exchange unit of absorption-compression type.
The utility model is further illustrated for the big temperature difference heat-exchange unit of absorption-compression type shown in Fig. 1 below:
It is cold into compression heat pump second after high temperature heat source cools down in absorption heat pump generator and heat exchanger in Fig. 1
Heating in condenser, the heat source temperature into the first evaporator of absorption heat pump are increased, are dropped in the first evaporator of absorption heat pump
Enter the second evaporator of compression heat pump after temperature, this just brings following effect:
(1) the first evaporator of absorption heat pump generates the refrigerant vapour of higher temperature, lithium-bromide solution concentration in absorber
Can be lower, so that lower generation temperature may be implemented in lower generation concentration in generator under identical condensing pressure, it is high
Temperature-heat-source realizes bigger temperature drop in generator.
(2) the utilization final temperature of high temperature heat source reduces again in the second evaporator of compression heat pump, has widened high temperature heat source
The temperature difference between outlet temperature and heated medium inlet temperature.
Fig. 1 is according to absorption-compression type provided by the utility model big temperature difference heat-exchange unit the 1st kind of structure and stream
Journey schematic diagram.
Fig. 2 is according to absorption-compression type provided by the utility model big temperature difference heat-exchange unit the 2nd kind of structure and stream
Journey schematic diagram.
In figure, 1-absorption heat pump, 2-compression heat pumps, 3-heat exchangers, 4-converging devices, 5-water circulating pumps,
6-part flow arrangements, G-generator, E1- the first evaporator, A-absorber, C1- the first condenser, C2- the second condenser,
E2- the second evaporator, K-compressor, T-throttle valve.
It is described in detail the utility model with reference to the accompanying drawing.
The big temperature difference heat-exchange unit of absorption-compression type shown in FIG. 1 is achieved in that
1. mainly by generator G, the first evaporator E1, absorber A, the first condenser C1, the second condenser C2, second steam
Send out device E2, compressor K, throttle valve T, heat exchanger 3, water circulating pump 5, converging device 4 and part flow arrangement 6 formed；Generator G has
High temperature heat source pipeline and external communication, heat exchanger 3 have high temperature heat source pipeline and external communication, the second condenser C2There is high temperature heat source
Pipeline and external communication, the first evaporator E1There are high temperature heat source pipeline and external communication, the second evaporator E2There is high temperature heat source pipeline
With external communication, absorption heat pump generator G, heat exchanger 3, the second condenser of compression heat pump are passed through in the series connection of high temperature heat source pipeline
C2, the first evaporator of absorption heat pump E1With the second evaporator of compression heat pump E2.Absorber A has heated medium pipeline and outer
Portion's connection, the first condenser C1There are heated medium pipeline and external communication, heat exchanger 3 has heated medium pipeline and external connection
Logical, heated medium is divided into two parts through part flow arrangement 6, and absorber A and first is passed through in a part of heated medium pipeline series connection
Condenser C1, another part heated medium pipeline independently flows through heat exchanger 3, and two parts heated medium is passed through through converging device 4
Water circulating pump 5 is delivered to pipe network, forms the big temperature difference heat-exchange unit of absorption-compression type.
2. in process, high temperature heat source cools down followed by absorption heat pump generator G and heat exchanger 3, compression is then flowed through
The second condenser of formula heat pump C2Heating, passes through the first evaporator of absorption heat pump E1E is evaporated with compression heat pump second2Device drop
Temperature；Heated medium a part is followed by absorption heat pump absorber A and the first condenser C1Heating, a part flow through heat exchange
Device 3 heats up, and forms the big temperature difference heat-exchange unit of absorption-compression type.
The big temperature difference heat-exchange unit of absorption-compression type shown in Fig. 2 is achieved in that
1. in structure, in the big temperature difference heat-exchange unit of absorption-compression type shown in Fig. 1, reducing part flow arrangement 6 and closing
Device 4 is flowed, heated medium pipeline parallel connection is entered into absorption heat pump 1 and heat exchanger 3, is adjusted to the series connection of heated medium pipeline
Sequentially enter the absorber A and the first condenser C of absorption heat pump1, heat exchanger 3 is entered back into, it is big to form absorption-compression type
Temperature difference heat-exchange unit.
2. in process, heated medium is connected followed by absorption heat pump absorber A, the first condenser C1And heat exchanger
3 heatings, form the big temperature difference heat-exchange unit of absorption-compression type.
The big temperature difference heat-exchange unit of the absorption-compression type that the utility model is proposed, has the effect of following and advantage:
(1) high temperature heat source is after absorption heat pump generator and heat exchanger cooling, using the condenser liter of compression heat pump
Temperature can be improved the evaporating temperature of absorption heat pump evaporator, and then reduce the concentration of absorption installation lithium-bromide solution, finally
The generation temperature of absorption heat pump generator is reduced, realizes that high temperature heat source has bigger temperature drop in generator.
(2) the high temperature heat source come out from the first evaporator of absorption heat pump, it is further into the second evaporator of compression heat pump
Cooling plays the low advantage of compression heat pump evaporating temperature, utmostly reduces the utilization final temperature of high temperature heat source.
(3) the big temperature difference heat-exchange unit of the absorption-compression type proposed, makes full use of absorption heat pump and compression heat pump sheet
The technical advantage of body extends the application range of absorption heat pump and compression heat pump.
The utility model is illustrated above in conjunction with attached drawing, the key point of the utility model is absorption by synthesis
The technical advantage of heat pump and compression heat pump improves the heat source temperature for entering absorption heat pump evaporator with compression heat pump,
And then the generation temperature of absorption heat pump is reduced, while compression heat pump can further decrease heat source temperature, for absorption
The extension of new technological process does not illustrate inside formula heat pump, all to belong to this based on any modifications or changes that the utility model is done
The claimed range of utility model.
Claims (2)
1. the big temperature difference heat-exchange unit of absorption-compression type, which is characterized in that including generator, the first evaporator, absorber,
One condenser, the second condenser, the second evaporator, compressor, throttle valve, heat exchanger, water circulating pump, part flow arrangement and interflow dress
It sets；The generator (G) has high temperature heat source pipeline and an external communication, and the heat exchanger (3) has high temperature heat source pipeline and outer
Portion's connection, the second condenser (C2) there are high temperature heat source pipeline and external communication, the first evaporator (E1) there is high temperature
Heat source pipeline and external communication, the second evaporator (E2) there are high temperature heat source pipeline and external communication, high temperature heat source pipeline
Absorption heat pump generator (G), heat exchanger (3), the second condenser of compression heat pump (C are passed through in series connection2), absorption heat pump first
Evaporator (E1) and the second evaporator of compression heat pump (E2), high temperature heat source is in absorption heat pump generator (G), heat exchanger (3)
Cooling, in the second condenser of compression heat pump (C2) in heating, in the first evaporator of absorption heat pump (E1) and compression heat pump
Two evaporator (E2) in successively cool down；Absorber (A) has heated medium pipeline and external communication, the first condenser (C1) have by
Heat medium pipeline and external communication, heat exchanger (3) have heated medium pipeline and external communication, a part of heated medium pipe
Absorber (A) and the first condenser (C are passed through in road series connection1), another part heated medium pipeline independently flows through heat exchanger (3),
Form the big temperature difference heat-exchange unit of absorption-compression type.
2. the big temperature difference heat-exchange unit of absorption-compression type, the big temperature difference heat exchange of absorption-compression type described in claim 1
In unit, part flow arrangement (6) and converging device (4) are reduced, heated medium pipeline parallel connection is entered into absorption heat pump (1) and is changed
Hot device (3) is adjusted to absorber (A) and the first condenser that the series connection of heated medium pipeline sequentially enters absorption heat pump
(C1), it enters back into heat exchanger (3), forms the big temperature difference heat-exchange unit of absorption-compression type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820321930.0U CN208222911U (en) | 2018-03-09 | 2018-03-09 | The big temperature difference heat-exchange unit of absorption-compression type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820321930.0U CN208222911U (en) | 2018-03-09 | 2018-03-09 | The big temperature difference heat-exchange unit of absorption-compression type |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208222911U true CN208222911U (en) | 2018-12-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820321930.0U Expired - Fee Related CN208222911U (en) | 2018-03-09 | 2018-03-09 | The big temperature difference heat-exchange unit of absorption-compression type |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208222911U (en) |
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2018
- 2018-03-09 CN CN201820321930.0U patent/CN208222911U/en not_active Expired - Fee Related
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181211 Termination date: 20200309 |
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| CF01 | Termination of patent right due to non-payment of annual fee |