CN202041017U - Absorption type capacity-control heat pump system - Google Patents
Absorption type capacity-control heat pump system Download PDFInfo
- Publication number
- CN202041017U CN202041017U CN2011201269337U CN201120126933U CN202041017U CN 202041017 U CN202041017 U CN 202041017U CN 2011201269337 U CN2011201269337 U CN 2011201269337U CN 201120126933 U CN201120126933 U CN 201120126933U CN 202041017 U CN202041017 U CN 202041017U
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- heat exchanger
- generator
- fluid reservoir
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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
-
- 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
Abstract
The utility model relates to an absorption type capacity-control heat pump system, which comprises an indoor heat exchanger, a throttling device, a cooler, an outdoor heat exchanger, a four-way reversing valve, a first liquid storage tank, a rectification column and a second liquid storage tank. By means of separation and extraction of working media with high and low boiling points, concentration of mixed working medium in running of the absorption type capacity-control heat pump system is changed so as to meet requirements for different capacity of the system. When the absorption type capacity-control heat pump system is compared with the prior art, both advantages that driving energy sources of a compressor are saved through an absorption type refrigeration mode and energy is saved by a variable-concentration capacity control method are functioned sufficiently, the defect that capacity control range is limited by exhaust temperature of the compressor, which is caused by the compressor refrigeration mode utilized in the prior art, is overcome; and simultaneously, the absorption type refrigeration can be driven through low-grade heat energy, and refrigerants have no destructive effect on the ozone layer.
Description
Technical field
The utility model relates to a kind of absorption type heat pump system, specifically refers to the absorption capacity regulating heat pump of a kind of mixed working-medium to change concentration.
Background technology
Heat pump is that a kind of high potential that utilizes makes heat flow to the device of high-order thermal source from low level heat energy, but the heat that it is supplied with is the high potential that consumed and the low potential energy sum of absorption, and heating has remarkable energy saving effect in the winter time.When but the heat pump characteristic had determined to heat in the winter time, the energy of heat pump output and building consumption was along with the reduction of environment temperature is opposite tendency, and the needs that this certainly will influence comfortableness have weakened the advantage of heat pump.Mixed working-medium to change concentration capacity regulating technology is applied to heat pump, can make heat pump satisfy the demand of high load capacity under the low temperature environment, for example U.S. Patent number is US4722195 and US5012651, China Patent No. be respectively 00135060.9,98118641.6,98118641.6,03141556.3 and the disclosed scheme of patent documentation such as 100376850C all belong to this type of invention.Wherein US5012651 and China Patent No. are 03141556.3 all to have and store the fluid reservoir be rich in higher boiling working medium, during the system increase-volume, also compressor lubricant oil is stored in the fluid reservoir when storing higher boiling working medium, make lubricating oil not bring back to compressor, thereby the easy oil starvation of compressor cause damaging by systemic circulation.Chinese patent 100376850C is placed on high pressure section with separator, has solved compressor oil return problem, and separating rate is increased, but the influence of machine excessive discharge temperature by compression, the capacity regulating scope has considerable restraint.
Summary of the invention
Technical problem to be solved in the utility model is that the present situation at prior art provides a kind of not restriction of machine delivery temperature by compression and the big absorption capacity regulating heat pump of capacity regulating scope.
The utility model solves the problems of the technologies described above the technical scheme that is adopted: this absorption capacity regulating heat pump comprises:
Indoor heat exchanger is used for carrying out heat exchange with room air, has first port and second port,
Throttling arrangement, first port of this throttling arrangement connects second port of described indoor heat exchanger;
Cooler, first port of this cooler connects second port of described throttling arrangement;
Outdoor heat exchanger carries out heat exchange with outdoor air, has first port and second port, and first port of described outdoor heat exchanger connects second port of described cooler;
Four-way change-over valve is used to change the flow direction of heat transferring medium, and second port of four-way change-over valve connects first port of described indoor heat exchanger, and the 4th port of four-way change-over valve connects second port of described outdoor heat exchanger;
First fluid reservoir is used to store low boiling working fluid, has gas access, gas vent and liquid outlet; The gas vent of described first fluid reservoir connects first port of described indoor heat exchanger by the 3rd magnetic valve; Described cooler is arranged in this first fluid reservoir;
Rectifying column is used to separate the working medium of different boiling, has liquid inlet, medium inlet and gas vent; Wherein, the liquid inlet of described rectifying column connects the liquid outlet of described first fluid reservoir by the 6th magnetic valve, and the gas vent of described rectifying column is connected in the gas access of described first fluid reservoir through pipeline, and this pipeline is provided with second magnetic valve;
Second fluid reservoir is used to store higher boiling working medium, has liquid inlet and liquid outlet; Wherein, the liquid inlet of described second fluid reservoir connects the liquid outlet of rectifying column, and the liquid outlet of described second fluid reservoir connects first port of described indoor heat exchanger by the 4th magnetic valve;
Described medium is the mixture of the different refrigeration working medium of two or more boiling point;
It is characterized in that this heat pump also comprises:
Generator is provided with heater in this generator, and the top of generator is provided with media outlet, and this media outlet connects first port of described four-way change-over valve respectively, connects the medium inlet of described rectifying column by first magnetic valve; The bottom of this generator is provided with liquid outlet, also is provided with spray equipment in the generator;
Absorber is provided with cooler in this absorber, and this absorber has medium inlet, liquid outlet, and the top of this absorber is provided with spray equipment; The medium inlet of absorber connects the 3rd port of described four-way change-over valve respectively; The liquid outlet of absorber connects the spray equipment of described generator by solution pump; The liquid outlet of described generator connects the spray equipment of this absorber by control valve.
This heat pump also comprises solution heat exchanger, and the tube side inlet of this solution heat exchanger connects described solution pump, and the tube side outlet connects the spray equipment of described generator; The shell side inlet of this solution heat exchanger connects the liquid outlet of described generator, and the shell side outlet connects the spray equipment of described absorber by described control valve.
Described rectifying column is arranged in described second fluid reservoir.
Compared with prior art, the utility model proposes a kind of new absorption capacity regulating device, give full play to absorption refrigeration save compressed machine drive energy and the energy-conservation double dominant of degree of thickening capacity regulation method, overcome the shortcoming that the available technology adopting compressor cooling causes the machine delivery temperature restriction by compression of capacity regulating scope, temperature regulating range is unrestricted and the capacity regulating scope is big; Simultaneously, the absorption refrigeration of being adopted can utilize low grade heat energy to drive, and cold-producing medium does not have destruction to ozone layer.In addition, will be arranged on the media outlet of generator, can under high pressure conditions, realize the separation of mixed working fluid, and separating rate be fast by the separator that rectifying column, two fluid reservoirs and cooler are formed; Simultaneously, the charging of rectifying column is the high temperature and high pressure gas that comes out from generator, and distillation process does not need extra thermal source, and set solution heat exchanger between generator and absorber in addition can make full use of the heat of system self, all helps energy conservation.
Description of drawings
Fig. 1 is the schematic diagram of the utility model embodiment.
The specific embodiment
Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.
As shown in Figure 1, this absorption capacity regulating heat pump comprises:
Generator 1, be provided with in it and be used for heater 15 that medium and absorbent are heated, the top of generator is provided with media outlet, the bottom of generator is provided with liquid outlet, position, middle and upper part in the generator also is provided with spray thrower 16, in the present embodiment, medium is the mixture of the different cold-producing medium working medium of two kinds of boiling points, is conventional thing.
Absorber 2 is provided with the cooling device 17 that is used for cooling medium and absorbent in it, this absorber 2 has medium inlet and liquid outlet, and the position, middle and upper part in the absorber 2 is provided with spray thrower 18.
The liquid outlet of absorber is connected to the spray thrower 16 in the generator then by the tube side of solution pump 3 connection solution heat exchangers 4; The liquid outlet of generator connects the shell side of solution heat exchanger 4, connects the interior spray equipment 18 of absorber by ball valve 11e then.
Indoor heat exchanger 5 is used for carrying out heat exchange with room air, has first port and second port; Second port of indoor heat exchanger connects first port of cooler 12 by throttling arrangement 7.
Outdoor heat exchanger 6 carries out heat exchange with outdoor air, has first port and second port; First port of outdoor heat exchanger connects second port of cooler.
First fluid reservoir 8 is used to store low boiling working fluid, has gas access, gas vent and liquid outlet; The gas vent of first fluid reservoir connects first port of indoor heat exchanger 5 by the 3rd magnetic valve 11c.Cooler 12 is arranged in first fluid reservoir 8, can will enter the gas liquefaction in first fluid reservoir, to solve the energy.
Rectifying column 9 is used to separate the working medium of different boiling, has liquid inlet, medium inlet and gas vent; Wherein, the liquid inlet of rectifying column connects the liquid outlet of first fluid reservoir 8 by the 6th magnetic valve 11f, the medium inlet of rectifying column connects the media outlet of generator 1 by the first magnetic valve 11a, the gas vent of rectifying column connects the gas access of first fluid reservoir 8 by pipeline, and this pipeline is provided with the second magnetic valve 11b.In the present embodiment, rectifying column 9 is arranged on the top in following second fluid reservoir 10.
Second fluid reservoir 10 is used to store higher boiling working medium, and its underpart is provided with liquid outlet; The liquid inlet of second fluid reservoir is the liquid outlet of rectifying column 9 in the present embodiment.The liquid outlet of second fluid reservoir connects first port of indoor heat exchanger 5 by the 4th magnetic valve 11d.
Four-way change-over valve 13 is used to change the flow direction of heat transferring medium, to exchange refrigeration and heat-production functions.Its first port connects the media outlet of generator 1; Its second port connects first port of indoor heat exchanger 5; Second port of the 4th port junction chamber external heat exchanger 6 of four-way change-over valve; Its 3rd port connects the medium inlet of absorber 2.
With the heating condition is the operation principle that example illustrates absorption capacity regulating heat pump.
When power system capacity and customer charge approximately equal, system's constant volume operation.At this moment, the first magnetic valve 11a, the 3rd magnetic valve 11c and the 4th magnetic valve 11d close.The high temperature and high pressure gas medium that comes out from generator 1 enters indoor heat exchanger 5 through four-way change-over valve 13 first ports and second port and is condensed into high-temp liquid, enter absorber 2 tops through the 4th port of throttling arrangement 7, cooler 12, outdoor heat exchanger 6, four-way change-over valve 13 and the 3rd port and be absorbed agent and absorb, enter spray thrower 16 sprays of generator 1 behind the absorber 2 absorption refrigeration media in the bottom through the tube side of solution pump 2, solution heat exchanger 4; Liquid in the generator 1 through the liquid outlet of generator enter the shell side of solution heat exchanger 4, the spray equipment 18 that enters in the absorber through ball valve 11e sprays.So circulation, system heats.
When power system capacity was bigger than customer charge, system need subtract appearance.At this moment, the first magnetic valve 11a, the 4th magnetic valve 11d open, and the 3rd magnetic valve 11c closes, and ball valve 11e opens.The high temperature and high pressure gas that comes out from the media outlet of generator 1 divides two-way: the first via enters rectifying column 9 through the first magnetic valve 11a and produces gases, and this gas rises and enters first fluid reservoir 8 through the gas vent of rectifying column 9, the gas access of first fluid reservoir; The second the tunnel through first port of four-way change-over valve 13 and second port flow through indoor heat exchanger 5, throttling arrangement 7 enters cooler 12, the gas cooled that cooler 12 is sent rectifying column 9 here in first fluid reservoir 8 becomes liquid, this part liquid is through the liquid outlet of first fluid reservoir, the 6th magnetic valve 11f, it is dirty to enter rectifying column 9 from the liquid inlet of rectifying column, with the gas that the rises generation rectifying of meeting, the isolated mixture that is rich in higher boiling working medium enters second fluid reservoir 10, through the 4th magnetic valve 11d and first via high temperature and high pressure gas and stream, enter indoor heat exchanger 5, through throttling arrangement 7, cooler 12, outdoor heat exchanger 6, four-way change-over valve the 4th port and the 3rd port, enter absorber 2 tops is absorbed agent and absorbs from the medium inlet of absorber, the liquid of absorber 2 bottoms is through solution pump 2, the tube side of solution heat exchanger 4 enters the spray thrower 16 interior sprays in the generator 1, and generator 1 bottom solution is through the tube side of solution heat exchanger 4, ball valve 11e enters the spray equipment 18 interior sprays in the absorber.At this moment, subtracting appearance finishes.Subtract and hold when finishing, the first magnetic valve 11a, the 4th magnetic valve 11d close, and system carries out the constant volume operation under new capacity.
When power system capacity than customer charge hour, system needs increase-volume.At this moment, the first magnetic valve 11a, the 3rd magnetic valve 11c open, and the 4th magnetic valve 11d closes, and control valve 11e opens.The high temperature and high pressure gas that comes out from the media outlet of generator 1 is divided into two-way: the first via enters rectifying column 9 through the first magnetic valve 11a and produces gases, and this gas rises and enters in first fluid reservoir 8; The second the tunnel through four-way change-over valve first port and second port flow through indoor heat exchanger 5, throttling arrangement 7 enters cooler 12, the gas cooled that cooler 12 is sent rectifying column here in first fluid reservoir becomes liquid, it is dirty that this part liquid enters rectifying column 9, meet with the first via gas that rises and to carry out rectifying, the isolated mixture that is rich in higher boiling working medium enters second fluid reservoir 10 and stores, isolated gas vent outflow of being rich in the mixture of low boiling working fluid from first fluid reservoir, through the 3rd magnetic valve 11c and the second tunnel and flow to into indoor heat exchanger 5, through throttling arrangement 7, cooler 12, outdoor heat exchanger 6, four-way change-over valve the 4th port and the 3rd port enter absorber 2 tops and are absorbed the agent absorption, absorber absorbs after the working medium in the bottom through solution pump 2, solution heat exchanger 4 enters in the spray thrower 16 of generator 1, and the solution of generator 1 bottom is through solution heat exchanger 4, ball valve 11e enters spray equipment 18 sprays in the absorber.When increase-volume finished, the first magnetic valve 11a, the 4th magnetic valve 11d closed, and system carries out the constant volume operation under new capacity.
When needing refrigeration, can realize the purpose of refrigeration by four-way change-over valve commutation work.Increase-volume under the cooling condition, subtract hold and the principle of constant volume operation similar during with heating condition, no longer description here.
Claims (3)
1. absorption capacity regulating heat pump comprises:
Indoor heat exchanger is used for carrying out heat exchange with room air, has first port and second port,
Throttling arrangement, first port of this throttling arrangement connects second port of described indoor heat exchanger;
Cooler, first port of this cooler connects second port of described throttling arrangement;
Outdoor heat exchanger carries out heat exchange with outdoor air, has first port and second port, and first port of described outdoor heat exchanger connects second port of described cooler;
Four-way change-over valve is used to change the flow direction of heat transferring medium, and second port of four-way change-over valve connects first port of described indoor heat exchanger, and the 4th port of four-way change-over valve connects second port of described outdoor heat exchanger;
First fluid reservoir is used to store low boiling working fluid, has gas access, gas vent and liquid outlet; The gas vent of described first fluid reservoir connects first port of described indoor heat exchanger by the 3rd magnetic valve; Described cooler is arranged in this first fluid reservoir;
Rectifying column is used to separate the working medium of different boiling, has liquid inlet, medium inlet and gas vent; Wherein, the liquid inlet of described rectifying column connects the liquid outlet of described first fluid reservoir by the 6th magnetic valve, and the gas vent of described rectifying column is connected in the gas access of described first fluid reservoir through pipeline, and this pipeline is provided with second magnetic valve;
Second fluid reservoir is used to store higher boiling working medium, has liquid inlet and liquid outlet; Wherein, the liquid inlet of described second fluid reservoir connects the liquid outlet of rectifying column, and the liquid outlet of described second fluid reservoir connects first port of described indoor heat exchanger by the 4th magnetic valve;
Described medium is the mixture of the different refrigeration working medium of two or more boiling point;
It is characterized in that this heat pump also comprises:
Generator is provided with heater in this generator, and the top of generator is provided with media outlet, and this media outlet connects first port of described four-way change-over valve respectively, connects the medium inlet of described rectifying column by first magnetic valve; The bottom of this generator is provided with liquid outlet, also is provided with spray equipment in the generator;
Absorber is provided with cooler in this absorber, and this absorber has medium inlet, liquid outlet, and the top of this absorber is provided with spray equipment; The medium inlet of absorber connects the 3rd port of described four-way change-over valve respectively; The liquid outlet of absorber connects the spray equipment of described generator by solution pump; The liquid outlet of described generator connects the spray equipment of this absorber by control valve.
2. absorption capacity regulating heat pump according to claim 1 is characterized in that this heat pump also comprises solution heat exchanger, and the tube side inlet of this solution heat exchanger connects described solution pump, and the tube side outlet connects the spray equipment of described generator; The shell side inlet of this solution heat exchanger connects the liquid outlet of described generator, and the shell side outlet connects the spray equipment of described absorber by described control valve.
3. absorption capacity regulating heat pump according to claim 1 and 2 is characterized in that described rectifying column is arranged in described second fluid reservoir.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201269337U CN202041017U (en) | 2011-04-19 | 2011-04-19 | Absorption type capacity-control heat pump system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201269337U CN202041017U (en) | 2011-04-19 | 2011-04-19 | Absorption type capacity-control heat pump system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202041017U true CN202041017U (en) | 2011-11-16 |
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ID=44968458
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201269337U Expired - Lifetime CN202041017U (en) | 2011-04-19 | 2011-04-19 | Absorption type capacity-control heat pump system |
Country Status (1)
| Country | Link |
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| CN (1) | CN202041017U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102128512A (en) * | 2011-04-19 | 2011-07-20 | 宁波工程学院 | Absorptive volume adjusting heat pump system |
| CN104180557A (en) * | 2013-07-30 | 2014-12-03 | 李华玉 | Combined heat power system, combined cooling power system and combined heat-cooling power dual-purpose system |
| CN110186214A (en) * | 2019-05-10 | 2019-08-30 | 上海交通大学 | The multi-mode cool and thermal power integral system of waste heat driving |
-
2011
- 2011-04-19 CN CN2011201269337U patent/CN202041017U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102128512A (en) * | 2011-04-19 | 2011-07-20 | 宁波工程学院 | Absorptive volume adjusting heat pump system |
| CN104180557A (en) * | 2013-07-30 | 2014-12-03 | 李华玉 | Combined heat power system, combined cooling power system and combined heat-cooling power dual-purpose system |
| CN104180557B (en) * | 2013-07-30 | 2017-07-21 | 李华玉 | Cogeneration, combined cooling and power and the dual-purpose co-feeding system of thermoelectric cold electricity |
| CN110186214A (en) * | 2019-05-10 | 2019-08-30 | 上海交通大学 | The multi-mode cool and thermal power integral system of waste heat driving |
| CN110186214B (en) * | 2019-05-10 | 2020-07-14 | 上海交通大学 | Waste heat driven multi-mode cooling, heating and power integrated system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20111116 Effective date of abandoning: 20130227 |
|
| RGAV | Abandon patent right to avoid regrant |