CN204963287U - Second class absorption heat pump - Google Patents
Second class absorption heat pump Download PDFInfo
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- CN204963287U CN204963287U CN201520536046.5U CN201520536046U CN204963287U CN 204963287 U CN204963287 U CN 204963287U CN 201520536046 U CN201520536046 U CN 201520536046U CN 204963287 U CN204963287 U CN 204963287U
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- Prior art keywords
- absorber
- heat pump
- generator
- type heat
- kind absorption
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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
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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
- 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 discloses a second class absorption heat pump, this second class absorption heat pump includes generator, condenser, absorber, evaporimeter, absorber, generator arrange from top to bottom, and under the drive of absorber and generator pressure differential and difference in height in the two, the inside weak solution of absorber is automatic to flow back to the generator inside, do all can back to the generator with the help of the drive of canned motor pump with the weak solution in the absorber among the prior art and compare, the utility model discloses well absorber, generator arrange from top to bottom that both have the difference in height, can increase the power that the inside weak solution of absorber got into the generator, promptly including only under the effect of pressure differential and difference in height, return the generator inside, spray inside stability of generator. Need not to set up the canned motor pump. So only can guarantee that the solution that the generator content is stable sprays, can reduce unit cost and power consumption moreover.
Description
Technical field
The utility model relates to technical field of heat exchange, particularly a kind of second-kind absorption-type heat pump.
Background technology
Second-kind absorption-type heat pump is warming heat pump, and it utilizes a large amount of middle used heat of grade and the thermal potential difference of low-temperature cooling water to produce the thermal source of temperature higher than middle grade used heat, thus meets the high-grade heat demand of user.
At present, second-kind absorption-type heat pump mainly contains two kinds: single-stage intensification second-kind absorption-type heat pump (hereinafter referred to as single-stage intensification heat pump) and secondary intensification second-kind absorption-type heat pump (hereinafter referred to as secondary intensification heat pump).Single-stage intensification second-kind absorption-type heat pump, the high-grade heating agent produced and the temperature rise amplitude of low-grade heat source smaller, but the thermal efficiency is high; The high-grade heating agent of secondary intensification second-kind absorption-type heat pump and the temperature rise amplitude of low-grade heat source high, but the thermal efficiency is lower.
Described as can be seen from above, the heat medium temperature that secondary intensification heat pump is produced than single-stage intensification heat pump is high.Single-stage intensification heat pump mainly comprises generator, condenser, absorber, evaporimeter, heat exchanger, concentrated solution delivers to the entrance of absorber from the outlet pump of generator, by dilution distribute heat in absorber, be then back to generator, carry out spray in generator inside and concentrate.In prior art, absorber and generator mean level are arranged, and in generator during weak solution spray process, the phenomenon of shwoot can be there is, when solution scatters, resistance can become large, in order to the inside making the weak solution of absorber inside flow to generator smoothly, must canned motor pump be increased between absorber and generator, the power of solution return is provided.
Compared with single-stage intensification heat pump structure, secondary intensification heat pump also comprises high temperature absorber, high-temperature evaporator, high/low temperature heat exchanger further, absorber correspondingly in single-stage intensification heat pump is low temperature absorption device, evaporimeter is cryogenic vaporizer, the high temperature heating agent that single-stage intensification heat pump is produced is supplied to high-temperature evaporator, produces more high-grade heating agent by high temperature absorber.Under the pumping power of canned motor pump, weak solution returns generator by the outlet flow of low temperature absorption device.
Canned motor pump needed for unit is more, and cost is higher, and power consumption is also more.
Therefore, how providing a kind of second-kind absorption-type heat pump, optimize heat pump structure, as far as possible reduce unit cost, is those skilled in that art's technical problems urgently to be resolved hurrily.
Utility model content
The purpose of this utility model is for providing second-kind absorption-type heat pump, this heat pump absorber and generator setting up and down, in absorber and generator pressure reduction and difference in height effect under, the solution of absorber inside can flow to the inside of generator automatically, realize stable spray, and without the need to arranging canned motor pump, reduce unit inner components, and then reduce unit cost, reduce power consumption.
For solving the problems of the technologies described above, the utility model provides a kind of second-kind absorption-type heat pump, comprises generator, condenser, absorber, evaporimeter; Described absorber, described generator are arranged up and down, in described absorber and described both generators pressure reduction and difference in height driving under, the weak solution automatic back flow of described absorber inside is inner to described generator, and does not need separately to establish driving pump.
Be back to compared with generator with the weak solution in absorber in prior art by the driving force of canned motor pump, in the utility model, absorber, generator are arranged up and down, both have difference in height, the weak solution that can strengthen absorber inside enters the power of generator, namely only under the effect of interior pressure reduction and difference in height, return to generator inside, spray at generator internal stability.Without the need to arranging canned motor pump.So not only can ensure the solution spraying of generator content stable, and unit cost and power consumption can be reduced.
Optionally, described second-kind absorption-type heat pump is secondary or stepped heating second-kind absorption-type heat pump, described absorber at different levels arranges successively from top to bottom according to its internal pressure order from high to low, in absorber described in adjacent two pressure reduction and difference in height effect under, solution automatic back flow in upper level absorber is inner to the absorber of next stage, and described generator is positioned at the below of the minimum described absorber of height and position.
Optionally, in described second-kind absorption-type heat pump, evaporimeter and described absorber are arranged up and down, and described absorber is positioned at the top of described evaporimeter.
Optionally, be arranged side by side in described second-kind absorption-type heat pump about five-star described evaporimeter and described absorber, all the other described evaporimeters at different levels and described absorber are arranged up and down.
Optionally, described evaporimeter at the same level and described absorber is arranged up and down or left and right is arranged side by side.
Optionally, described evaporimeter at the same level and described absorber are arranged at same inner barrel.
Optionally, described evaporimeter at the same level and described absorber are arranged at different inner barrel respectively.
Optionally, described condenser and described generator are arranged at same inner barrel.
Accompanying drawing explanation
Fig. 1 is the fundamental diagram of the first detailed description of the invention of the utility model single-stage second-kind absorption-type heat pump;
Fig. 2 is the fundamental diagram of the utility model single-stage second-kind absorption-type heat pump the second detailed description of the invention;
Fig. 3 is the fundamental diagram of the third detailed description of the invention of the utility model single-stage second-kind absorption-type heat pump;
Fig. 4 is the fundamental diagram in a kind of detailed description of the invention of the utility model secondary second-kind absorption-type heat pump;
Fig. 5 is the fundamental diagram in the another kind of detailed description of the invention of the utility model secondary second-kind absorption-type heat pump.
Wherein, the one-to-one relationship in Fig. 1 to Fig. 5 between component names and Reference numeral is as follows:
Evaporimeter 1, absorber 2, condenser 3, generator 4, canned motor pump 5, cryogenic heat exchanger 6, high-temperature evaporator 7, high temperature absorber 8, high-temperature heat-exchanging 9, cryogenic vaporizer 11 low temperature absorption device 12.
Detailed description of the invention
Core of the present utility model is for providing second-kind absorption-type heat pump, this heat pump absorber and generator setting up and down, in absorber and generator pressure reduction and difference in height effect under, the solution of absorber inside can flow to the inside of generator automatically, realize stable spray, and without the need to arranging canned motor pump, reduce unit inner components, and then reduce unit cost and power consumption.
In order to make those skilled in the art understand the technical solution of the utility model better, below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Please refer to Fig. 1, Fig. 1 is the fundamental diagram in the first specific embodiment of the utility model single-stage intensification second-kind absorption-type heat pump.
Second-kind absorption-type heat pump divides and is generally two classes: single-stage intensification second-kind absorption-type heat pump (hereinafter referred to as single-stage intensification heat pump) and stepped heating second-kind absorption-type heat pump, wherein in stepped heating second-kind absorption-type heat pump, secondary intensification type heat pump application is comparatively extensive, (below by stepped heating second-kind absorption-type heat pump referred to as stepped heating heat pump, secondary intensification second-kind absorption-type heat pump to heat up heat pump referred to as secondary).Please refer to Fig. 1 to Fig. 3, single-stage intensification heat pump mainly comprises generator 4, condenser 3, absorber 2, evaporimeter 1, for producing comparatively high-grade heating agent.
Please refer to Fig. 4 and Fig. 5, secondary intensification heat pump is on the basis of single-stage intensification heat pump, increase high temperature absorber 8, high-temperature evaporator 7, namely thermal source based on the comparatively high-grade heating agent utilizing single-stage intensification heat pump to produce, produces the high-grade heating agent that temperature is higher further.Now, the absorber produced in basic thermal source is called as low temperature absorption device 12, and evaporimeter is called as cryogenic vaporizer 11.The operation principle of single-stage intensification heat pump and secondary intensification heat pump does not describe in detail at this, can with reference to prior art.
In like manner, stepped heating heat pump increases absorber and evaporimeter on the basis of previous stage intensification heat pump, and thermal source based on the heating agent utilizing previous stage intensification heat pump to produce, produces the high-grade heating agent that temperature is higher further.
There is provided herein a kind of second-kind absorption-type heat pump, comprise generator 4, condenser 3, absorber 2, evaporimeter 1, for secondary or stepped heating heat pump, the quantity of absorber and evaporimeter is multiple.Evaporimeter provides dilution steam generation for absorber at the same level, and the evaporimeter that previous stage absorber is rear stage provides thermal source.As can be seen from describing for secondary intensification heat pump above, absorber comprises low temperature absorption device 12, high temperature absorber 8, and evaporimeter comprises cryogenic vaporizer 11, high-temperature evaporator 7.High temperature absorber 8 and high-temperature evaporator 7 are at the same level, and low temperature absorption device 12 and cryogenic vaporizer 11 are at the same level.
In the utility model, absorber, generator about 4 are arranged, namely absorber arrangement is in the top of generator 4, its position is higher than generator 4, ordinary circumstance, the pressure of absorber inside is higher than the pressure of generator 4 inside, in both absorber and generator 4 pressure reduction and difference in height effect under, the weak solution automatic back flow of absorber inside is inner to generator 4.For single-stage intensification heat pump, absorber 2 and generator about 4 are arranged, the weak solution self-absorption device 2 after dilution heat radiation flow to generator 4.For secondary intensification heat pump or other grade of heat pump, the solution in low temperature absorption device 12 flow to generator 4.
Be back to compared with generator 4 with the weak solution in absorber in prior art by the driving force of canned motor pump, in the utility model, absorber, generator about 4 are arranged, both have difference in height, the weak solution that can strengthen absorber inside enters the power of generator 4, namely only under the effect of interior pressure reduction and difference in height, return generator 4 inner, spray at generator 4 internal stability.Without the need to arranging canned motor pump.So not only can ensure the solution spraying of generator content stable, and unit cost and power consumption can be reduced.
Particularly, be for secondary or stepped heating heat pump for second-kind absorption-type heat pump, pressure in absorber at different levels, temperature is also not identical, generally, the absorber internal pressure of upper level, temperature is higher than next absorber internal pressure, temperature, it should be noted that, the absorber that thermal source in N level intensification heat pump flows out is defined as N level absorber herein, correspondingly, what provide basic thermal source to N level absorber is N-1 level absorber, then N level absorber is the upper level absorber of N-1 level absorber, N-1 level absorber is the next stage absorber of N level absorber.Above secondary intensification heat pump, high temperature absorber is second level absorber, and low temperature absorption device is first order absorber.
In a kind of concrete embodiment, absorber at different levels arranges successively from top to bottom according to its internal pressure order from high to low, in adjacent two absorbers pressure reduction and difference in height effect under, solution automatic back flow in the absorber of upper level is inner to the absorber of next stage, and generator 4 is positioned at the below of the minimum absorber of height and position.
Please refer to Fig. 4 and Fig. 5, for secondary intensification heat pump, high temperature absorber 8 is positioned at the top of low temperature absorption device 12, low temperature absorption device 12 is positioned at the top of generator 4, pressure differential and difference in height is there is in such Yin Gaowen absorber 8 with both low temperature absorption devices 12, low temperature absorption device 12 can be flow to smoothly by the solution diluted in high temperature absorber 8, in low temperature absorption device 12 by dilute solution under the effect of low temperature absorption device 12 and both generators 4 pressure differential and difference in height, automatic back flow is inner to generator 4.
The arrangement of each absorber in this embodiment, make solution from the highest absorber in position under the effect of pressure differential and difference in height, backflow is until return generator 4 step by step, and solution return each section of path is all without the need to arranging canned motor pump, further optimization set structure, reduces the use cost of unit.
In the various embodiments described above, in second-kind absorption-type heat pump, evaporimeter and absorber are arranged up and down, and absorber is positioned at the top of evaporimeter.Please refer to Fig. 2, in Fig. 2, in single-stage Equations of The Second Kind absorber heat pump, absorber 2 is arranged in the top of evaporimeter 1.As can be seen from above-mentioned definition, the absorber that the absorber of the first order is namely directly connected with the solution inlet of generator 4.
Under this embodiment has taken into full account some special operation condition, the operating mode that such as, in unit absorber and generator pressure reduction is smaller, in order to the technical scheme in the utility model is applied in this environment, top absorber being arranged at evaporimeter can improve the difference in height of absorber and generator 4 to greatest extent, increases weak solution backflow power in absorber as far as possible.
For the space that short transverse is limited, the five-star evaporimeter in second-kind absorption-type heat pump and absorber can be arranged side by side left and right, and all the other evaporimeters at different levels and absorber are arranged up and down.Please refer to Fig. 4, in Fig. 4, in secondary intensification heat pump, high-temperature evaporator 7 and high temperature absorber about 8 are arranged, cryogenic vaporizer and low temperature absorption device are arranged up and down.
Like this under the prerequisite not affecting unit performance, the height dimension of unit can be reduced as far as possible, be conducive to the installation of unit.
Certainly, evaporimeter at the same level and absorber also can all adopt layout or left and right to be up and down arranged side by side.Such as, the cryogenic vaporizer in Fig. 1 to Fig. 2 in single-stage intensification heat pump and low temperature absorption device are arranged up and down, and in Fig. 3, cryogenic vaporizer and low temperature absorption device are arranged or left and right layout up and down; In Fig. 5, in secondary intensification heat pump, high-temperature evaporator 7 and high temperature absorber 8, cryogenic vaporizer and low temperature absorption device are all arranged left and right.
In the various embodiments described above, described evaporimeter at the same level and absorber can be arranged at same inner barrel, also can be arranged at different inner barrel respectively.
In like manner, condenser 3 at the same level and generator 4 can be arranged at same inner barrel, also can be arranged at different inner barrel respectively.
It should be noted that, herein the noun of locality such as upper and lower, left and right be all with parts each in Fig. 1-5 between relative position be with reference to definition, it will be understood by those skilled in the art that the use of the noun of locality herein should not limit protection domain herein.
Above a kind of second-kind absorption-type heat pump provided by the utility model is described in detail.Apply specific case herein to set forth principle of the present utility model and embodiment, the explanation of above embodiment just understands method of the present utility model and core concept thereof for helping.Should be understood that; for those skilled in the art; under the prerequisite not departing from the utility model principle, can also carry out some improvement and modification to the utility model, these improve and modify and also fall in the protection domain of the utility model claim.
Claims (8)
1. a second-kind absorption-type heat pump, comprises generator, condenser, absorber, evaporimeter; It is characterized in that, described absorber, described generator are arranged up and down, in described absorber and described both generators pressure reduction and difference in height driving under, the weak solution automatic back flow of described absorber inside is inner to described generator, and does not need separately to establish driving pump.
2. second-kind absorption-type heat pump as claimed in claim 1, it is characterized in that, described second-kind absorption-type heat pump is secondary or stepped heating second-kind absorption-type heat pump, described absorber at different levels arranges successively from top to bottom according to its internal pressure order from high to low, in absorber described in adjacent two pressure reduction and difference in height effect under, solution automatic back flow in upper level absorber is inner to the absorber of next stage, and described generator is positioned at the below of the minimum described absorber of height and position.
3. second-kind absorption-type heat pump as claimed in claim 2, it is characterized in that, in described second-kind absorption-type heat pump, evaporimeter and described absorber are arranged up and down, and described absorber is positioned at the top of described evaporimeter.
4. second-kind absorption-type heat pump as claimed in claim 2, it is characterized in that, be arranged side by side about five-star described evaporimeter and described absorber in described second-kind absorption-type heat pump, all the other described evaporimeters at different levels and described absorber are arranged up and down.
5. second-kind absorption-type heat pump as claimed in claim 1, is characterized in that, described evaporimeter at the same level and described absorber is arranged up and down or left and right is arranged side by side.
6. the second-kind absorption-type heat pump as described in any one of claim 1 to 5, is characterized in that, described evaporimeter at the same level and described absorber are arranged at same inner barrel.
7. the second-kind absorption-type heat pump as described in any one of claim 1 to 5, is characterized in that, described evaporimeter at the same level and described absorber are arranged at different inner barrel respectively.
8. the second-kind absorption-type heat pump as described in any one of claim 1 to 5, is characterized in that, described condenser and described generator are arranged at same inner barrel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520536046.5U CN204963287U (en) | 2015-07-22 | 2015-07-22 | Second class absorption heat pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520536046.5U CN204963287U (en) | 2015-07-22 | 2015-07-22 | Second class absorption heat pump |
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| Publication Number | Publication Date |
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| CN204963287U true CN204963287U (en) | 2016-01-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520536046.5U Withdrawn - After Issue CN204963287U (en) | 2015-07-22 | 2015-07-22 | Second class absorption heat pump |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105091396A (en) * | 2015-07-22 | 2015-11-25 | 烟台荏原空调设备有限公司 | Second type absorption heat pump |
-
2015
- 2015-07-22 CN CN201520536046.5U patent/CN204963287U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105091396A (en) * | 2015-07-22 | 2015-11-25 | 烟台荏原空调设备有限公司 | Second type absorption heat pump |
| CN105091396B (en) * | 2015-07-22 | 2018-05-01 | 荏原冷热系统（中国）有限公司 | A kind of second-kind absorption-type heat pump |
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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: 20160113 Effective date of abandoning: 20170728 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20160113 Effective date of abandoning: 20170728 |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |