CN104075489B - High-temperature steam source pump - Google Patents
High-temperature steam source pump Download PDFInfo
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- CN104075489B CN104075489B CN201410345064.5A CN201410345064A CN104075489B CN 104075489 B CN104075489 B CN 104075489B CN 201410345064 A CN201410345064 A CN 201410345064A CN 104075489 B CN104075489 B CN 104075489B
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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
Abstract
The present invention is high temperature heat pump unit, solves the problem that existing high temperature heat pump unit heat efficiency is low, heats is poor.The present invention includes vaporizer, compressor, condenser and electronic expansion valve throttling device, condenser includes condensation chamber and condensed water heat exchanger tube, the first chamber it is provided with from top to bottom in condensation chamber, second chamber, 3rd chamber, second intracavity is placed with vertical condensed water heat exchanger tube, the upper end of condensed water heat exchanger tube and the first chamber UNICOM, the lower end of condensed water heat exchanger tube and the 3rd chamber UNICOM, cold-producing medium condensation entrance, cold-producing medium condensate outlet is respectively positioned on the second chamber, the height of cold-producing medium condensation entrance is higher than the height of cold-producing medium condensate outlet, first chamber is provided with boiling water/steam (vapor) outlet, 3rd chamber is provided with water inlet to be heated.The present invention takes full advantage of the step temperature that condensation process produces, and produces high temp effect, before leaving boiling water/steam (vapor) outlet, has been additionally subjected to the high-temperature heating of superheat state cold-producing medium, reaches boiling.
Description
Technical field
The present invention relates to a kind of high-temperature steam source pump, boiling can be heated water to, and produce steam.
Background technology
At present, for meeting the needs of energy-saving and emission-reduction, small scall coal-fired boiler is badly in need of environment-friend substitution product high temperature heat pump unit.The research direction of high temperature heat pump, mainly both ways. first, researching high-temperature type compressor, such as adopt two grades, three stage compression；Second, study novel cold-producing medium；Both technology, on traditional structure, no matter it is condenser or vaporizer, its cold-producing medium and water-medium horizontal mobility, pass in and out from same direction, such as Fig. 1, the heats realized, water temperature can only be less than the saturation temperature that condensing pressure is corresponding, water temperature can only rise to about 85 DEG C, and the efficiency of heating surface is low, heats is undesirable.
Summary of the invention
The invention provides artificial heats such as utilizing double stage heat pump or used heat to produce boiling water and the high temperature heat pump unit to steam, solve the technical problem that existing high temperature heat pump unit heat efficiency is low, heats is poor.
The technical solution adopted for the present invention to solve the technical problems is:
High-temperature steam source pump, including vaporizer, compressor, condenser and electronic expansion valve throttling device, the cold-producing medium evaporation outlet of described vaporizer and the entrance UNICOM of compressor, the cold-producing medium of the outlet of described compressor and condenser condenses entrance UNICOM, the cold-producing medium condensate outlet of condenser evaporates entrance UNICOM by the cold-producing medium of electronic expansion valve throttling device with vaporizer, and it is characterized in that
Above-mentioned condenser includes condensation chamber and condensed water heat exchanger tube, three chambeies it are provided with from top to bottom in described condensation chamber, it is followed successively by the first chamber, second chamber, 3rd chamber, second intracavity is placed with vertical condensed water heat exchanger tube, the upper end of condensed water heat exchanger tube and the first chamber UNICOM, the lower end of condensed water heat exchanger tube and the 3rd chamber UNICOM, the cold-producing medium condensation entrance of condensation chamber, the cold-producing medium condensate outlet of condensation chamber is respectively positioned on the second chamber, the height of cold-producing medium condensation entrance is higher than the height of the cold-producing medium condensate outlet of condensation chamber, first chamber is provided with boiling water/steam (vapor) outlet, 3rd chamber is provided with water inlet to be heated.
For the high temperature heat pump unit that used heat water source reclaims, above-mentioned vaporizer includes evaporation cavity and evaporation water heat exchanger tube, three chambeies it are provided with from top to bottom in described evaporation cavity, it is followed successively by the 4th chamber, the 5th chamber, the 6th chamber, 5th intracavity is placed with vertical evaporation water heat exchanger tube, the upper end of evaporation water heat exchanger tube and the 4th chamber UNICOM, the lower end of evaporation water heat exchanger tube and the 6th chamber UNICOM, the cold-producing medium of evaporation cavity evaporates entrance, the cold-producing medium evaporation outlet of evaporation cavity is respectively positioned on the 5th chamber, and the height of cold-producing medium evaporation entrance evaporates the height of outlet lower than the cold-producing medium of evaporation cavity；Cold-producing medium in described evaporation cavity is in gas-liquid mixture phase；6th chamber is provided with spent hot water's source inlet, the 4th chamber is provided with the outlet of used heat water source.
For the high temperature heat pump unit that the thermal source such as high-temp waste gas, waste vapour reclaims, above-mentioned vaporizer adopts finned evaporator.
Being also associated with economizer heat exchanger between above-mentioned cold-producing medium condensate outlet and electronic expansion valve throttling device, water enters condensed water heat exchanger tube after economizer heat exchanger is heated.
The evaporating temperature of above-mentioned cold-producing medium is 30-60 degree Celsius, and condensation temperature is higher than 120 degrees Celsius.
HFCR245fa selected by above-mentioned cold-producing medium.
In above-mentioned evaporation cavity, evaporating pressure is 1-3 atmospheric pressure.
In order to make full use of space, the condensation chamber of above-mentioned condenser and the evaporation cavity of vaporizer all adopt the structure of longitudinal, namely vertical condensation chamber and evaporation cavity.
The invention has the beneficial effects as follows:
The first, condensed water heat exchanger tube have employed vertical tubular construction, cold-producing medium and water-medium take the contrary flow direction through heat exchanger tube, take full advantage of the step temperature that condensation process produces, water-medium is allowed to be heated gradually, until close to overtemperature, thus the water temperature (or vapor (steam) temperature) of the heating saturation temperature corresponding higher than cold-producing medium condensing pressure can be made.This longitudinal structure is relative to traditional structure, it is possible to decrease condensation temperature, improves unit efficiency.The present invention can produce the steam of boiling water and more than 1250C.
The second, waste heat source can be made full use of, absorb heat for vaporizer, to improve the operating mode of high temperature unit and to improve efficiency；When may utilize without used heat, high temperature heat source, can be realized by double stage heat pump.
3rd, vaporizer also adopts flowing to of longitudinal structure, water ature of coal and cold-producing medium identical, relative to traditional structure, can improve evaporating pressure；Meanwhile, evaporator operation is in full liquid operating mode, and the evaporating state combination of vapour-liquid mixing improves evaporating pressure and will greatly improve unit efficiency.
4th, make full use of evaporating temperature be 30-60 degree Celsius, the high temperature of the condensation temperature novel refrigerant be more than or equal to 120 degrees Celsius condensation feature, unit continuous operation can be made at High Temperature High Pressure condensing state.
5th, the cold-producing medium discharged from condenser was flowing through economizer heat exchanger before electronic expansion valve throttling device, heat exchange is carried out with the pure water medium that will enter into pure water medium inlet, in advance water-medium is heated up, realize energy-saving effect, reduce the refrigerant temperature by electronic expansion valve throttling device simultaneously, both extend its service life, improved evaporator operation environment, improve vaporizer heat absorption efficiency simultaneously.
Accompanying drawing explanation
Fig. 1 is conventional heat pump working principle of said set figure；
Fig. 2 is unit operating diagram of the present invention.
In Fig. 2,1-cold-producing medium condensation entrance；2-condensation chamber；3-cold-producing medium condensate outlet；4-water inlet to be heated；5-condensed water heat exchanger tube；6-boiling water/steam (vapor) outlet；7-electronic expansion valve throttling device；8-evaporation cavity；9-evaporates water heat exchanger tube；The evaporation outlet of 10-cold-producing medium；11-compressor；12-economizer heat exchanger；13-spent hot water's source inlet；14-used heat water source exports；15-cold-producing medium evaporation entrance.
Detailed description of the invention
Embodiment one
For the high temperature heat pump unit that used heat water source reclaims, including vaporizer, compressor 11, condenser and electronic expansion valve throttling device 7, the cold-producing medium evaporation outlet 10 of vaporizer and the entrance UNICOM of compressor 11, the cold-producing medium of the outlet of compressor 11 and condenser condenses entrance 1 UNICOM, and the cold-producing medium condensate outlet 3 of condenser evaporates entrance 15 UNICOM by the cold-producing medium of electronic expansion valve throttling device 7 with vaporizer.
Right half part in Fig. 2, condenser includes condensation chamber 2 and condensed water heat exchanger tube 5, three chambeies it are provided with from top to bottom in condensation chamber 2, it is followed successively by the first chamber, second chamber, 3rd chamber, second intracavity is uniformly placed with many vertical condensed water heat exchanger tubes 5, condensed water heat exchanger tube 5 is vertical straight tube, the upper end of condensed water heat exchanger tube 5 and the first chamber UNICOM, the lower end of condensed water heat exchanger tube 5 and the 3rd chamber UNICOM, the cold-producing medium condensation entrance 1 of condensation chamber 2, the cold-producing medium condensate outlet 3 of condensation chamber 2 is respectively positioned on the second chamber, the height of cold-producing medium condensation entrance 1 is higher than the height of the cold-producing medium condensate outlet 3 of condensation chamber 2, first chamber is provided with boiling water/steam (vapor) outlet 6, 3rd chamber is provided with water inlet 4 to be heated.
Left-half such as Fig. 2, vaporizer includes evaporation cavity 8 and evaporation water heat exchanger tube 9, three chambeies it are provided with from top to bottom in evaporation cavity 8, it is followed successively by the 4th chamber, 5th chamber, 6th chamber, 5th intracavity is uniformly placed with many vertical evaporation water heat exchanger tubes 9, evaporation water heat exchanger tube 9 is vertical straight tube, the upper end of evaporation water heat exchanger tube 9 and the 4th chamber UNICOM, the lower end of evaporation water heat exchanger tube 9 and the 6th chamber UNICOM, the cold-producing medium evaporation entrance 15 of evaporation cavity 8, the cold-producing medium evaporation outlet 10 of evaporation cavity 8 is respectively positioned on the 5th chamber, the height of cold-producing medium evaporation entrance 15 evaporates the height of outlet 10 lower than the cold-producing medium of evaporation cavity 8；Cold-producing medium in described evaporation cavity 8 is in gas-liquid mixture phase；6th chamber is provided with spent hot water's source inlet 13, the 4th chamber is provided with used heat water source outlet 14.HFCR245fa selected by cold-producing medium,；Whole refrigeration pipe is reconfigured at the suitable refrigeration oil that ensure that compressor 11 normal operation, unit continuous operation can be made at High Temperature High Pressure condensing state.
In order to make full use of space, the condensation chamber of condenser and the evaporation cavity of vaporizer all adopt the structure of longitudinal, namely vertical condensation chamber and evaporation cavity.
Compressor 11 can adopt various compressors in prior art, for instance vortex, reciprocating-piston, screw compressor.
Electronic expansion valve throttling device 7 adopts various types of electronic expansion valve throttling devices in prior art.
The work process of the present invention is: 30 DEG C-60 DEG C used heat water sources enter into the 6th chamber of evaporation cavity 8, and then enter into evaporation water heat exchanger tube 9, export 14 discharges from the used heat water source of the 4th upper end, chamber of evaporation cavity 8, and the cold-producing medium fully and in evaporation cavity 8 carries out heat exchange.Cold-producing medium is under the control of electronic expansion valve throttling device 7, make in evaporation cavity 8 close to remaining full of cold-producing medium, cold-producing medium is constantly in overall vapour-liquid mixing explosive evaporation state, absorb the heat at the used heat water source evaporated in water heat exchanger tube 9, and and unconventional gradual change type evaporation, improve evaporation efficiency；It is transferred to the cold-producing medium condensation entrance 1 of condensation chamber 2 through compressor 11 after cold-producing medium evaporation outlet 10 discharge.Enter condensation chamber 2 from the high-temperature high-pressure refrigerant of compressor 11, condense gradually from superheat state, define the step temperature straight line of temperature gradients from top to bottom, until discharging from cold-producing medium condensate outlet 3.And the pure water medium entered from condensed water heat exchanger tube 5 lower end, then being subject to step temperature heating from bottom to up gradually rises, and before leaving boiling water/steam (vapor) outlet 6, has been additionally subjected to the high-temperature heating of superheat state cold-producing medium, reaches boiling.
The refrigerant temperature discharged from condenser remains in more than 700C, before electronic expansion valve throttling device 7, it is allowed to flow through from economizer heat exchanger 12, heat exchange is carried out with the pure water medium that will enter into pure water medium inlet, in advance water-medium is heated up, it is achieved energy-saving effect, reduce the refrigerant temperature by electronic expansion valve throttling device 7 simultaneously, both extend its service life, also improve evaporator operation environment.
In the present embodiment, during as may utilize without used heat water source, hot water can be added by double stage heat pump and passing into spent hot water's source inlet 13 after 30-60 degree Celsius.
Embodiment two
For the high temperature heat pump unit that the thermal source such as high-temp waste gas, waste vapour reclaims, adopt finned evaporator on the market, and give closing and carry out heat exchange；The structure of remainder is with embodiment one.
It addition, vaporizer adopts the structure of existing lateral arrangement, the condenser in the present embodiment is combined use, also can produce waste water and steam, and simply evaporation and heat exchanger effectiveness are lower than embodiment one.
In embodiment one and embodiment two, after the boiling water steam produced is utilized, remaining used heat can as a part of recycle and reuse of waste heat source, it is possible to improve efficiency further.
Claims (5)
1. high-temperature steam source pump, including vaporizer, compressor, condenser and electronic expansion valve throttling device, the cold-producing medium evaporation outlet of described vaporizer and the entrance UNICOM of compressor, the cold-producing medium of the outlet of described compressor and condenser condenses entrance UNICOM, the cold-producing medium condensate outlet of condenser evaporates entrance UNICOM by the cold-producing medium of electronic expansion valve throttling device with vaporizer, it is characterised in that:
Described condenser includes condensation chamber and condensed water heat exchanger tube, three chambeies it are provided with from top to bottom in described condensation chamber, it is followed successively by the first chamber, second chamber, 3rd chamber, second intracavity is placed with vertical condensed water heat exchanger tube, the upper end of condensed water heat exchanger tube and the first chamber UNICOM, the lower end of condensed water heat exchanger tube and the 3rd chamber UNICOM, the cold-producing medium condensation entrance of condensation chamber, the cold-producing medium condensate outlet of condensation chamber is respectively positioned on the second chamber, the height of cold-producing medium condensation entrance is higher than the height of the cold-producing medium condensate outlet of condensation chamber, first chamber is provided with boiling water/steam (vapor) outlet, 3rd chamber is provided with water inlet to be heated；Described vaporizer includes evaporation cavity and evaporation water heat exchanger tube, three chambeies it are provided with from top to bottom in described evaporation cavity, it is followed successively by the 4th chamber, the 5th chamber, the 6th chamber, 5th intracavity is placed with vertical evaporation water heat exchanger tube, the upper end of evaporation water heat exchanger tube and the 4th chamber UNICOM, the lower end of evaporation water heat exchanger tube and the 6th chamber UNICOM, the cold-producing medium of evaporation cavity evaporates entrance, the cold-producing medium evaporation outlet of evaporation cavity is respectively positioned on the 5th chamber, and the height of cold-producing medium evaporation entrance evaporates the height of outlet lower than the cold-producing medium of evaporation cavity；Cold-producing medium in described evaporation cavity is in gas-liquid mixture phase；6th chamber is provided with spent hot water's source inlet, the 4th chamber is provided with the outlet of used heat water source；The evaporating temperature of described cold-producing medium is 30-60 degree Celsius, and condensation temperature is higher than 120 degrees Celsius.
2. high-temperature steam source pump according to claim 1, it is characterised in that: being also associated with economizer heat exchanger between cold-producing medium condensate outlet and electronic expansion valve throttling device, water enters condensed water heat exchanger tube after economizer heat exchanger is heated.
3. high-temperature steam source pump according to claim 1, it is characterised in that: HFCR245fa selected by described cold-producing medium.
4. high-temperature steam source pump according to claim 3, it is characterised in that: in described evaporation cavity, evaporating pressure is 1-3 atmospheric pressure.
5. high-temperature steam source pump according to claim 1, it is characterised in that: the condensation chamber of described condenser and all vertical structure of the evaporation cavity of vaporizer.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410345064.5A CN104075489B (en) | 2014-07-19 | 2014-07-19 | High-temperature steam source pump |
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| CN201410345064.5A CN104075489B (en) | 2014-07-19 | 2014-07-19 | High-temperature steam source pump |
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| CN104075489A CN104075489A (en) | 2014-10-01 |
| CN104075489B true CN104075489B (en) | 2016-07-06 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105221194B (en) * | 2015-11-05 | 2020-09-22 | 上海领势新能源科技有限公司 | Liquid nitrogen auxiliary waste heat recovery energy storage power generation system |
| CN106225332A (en) * | 2016-08-31 | 2016-12-14 | 天津金轮自行车集团有限公司 | A kind of novel rapid condensation equipment |
| CN108481899B (en) * | 2018-02-12 | 2019-07-09 | 西北大学 | A kind of thermally equilibrated backheating type air, which can be dried, utilizes method and system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2564543Y (en) * | 2002-07-15 | 2003-08-06 | 淄博华周制药设备有限公司 | Vertical condenser |
| CN2872269Y (en) * | 2005-11-22 | 2007-02-21 | 淄博创尔沃中央空调有限公司 | Improved equal flow-speed gas-liquid heat exchanger |
| JP4972421B2 (en) * | 2006-02-01 | 2012-07-11 | 関西電力株式会社 | Heat pump steam / hot water generator |
| CN203011006U (en) * | 2012-10-26 | 2013-06-19 | 南京久鼎制冷空调设备有限公司 | Waste heat recovery high-temperature hot water unit |
| CN203598510U (en) * | 2013-12-17 | 2014-05-21 | 烟台明辉热泵节能科技有限公司 | Heat-pump dual-effect negative-pressure solid-liquid separation unit system |
| CN203719489U (en) * | 2014-01-21 | 2014-07-16 | 郑州四维淀粉技术开发有限公司 | Double-phase-change latent heat exchanger |
| CN203949410U (en) * | 2014-07-19 | 2014-11-19 | 烟台明辉热泵节能科技有限公司 | High-temperature steam source pump |
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