CN202792694U - Solar air source absorption heat pump device - Google Patents
Solar air source absorption heat pump device Download PDFInfo
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- CN202792694U CN202792694U CN 201220493770 CN201220493770U CN202792694U CN 202792694 U CN202792694 U CN 202792694U CN 201220493770 CN201220493770 CN 201220493770 CN 201220493770 U CN201220493770 U CN 201220493770U CN 202792694 U CN202792694 U CN 202792694U
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Abstract
The utility model discloses a solar air source absorption heat pump device. Solar energy, the natural energy, is used as drive energy of a unit, a heating heat exchanger inside a generator inputs the solar energy into the solar heat pump device, and the solar energy provides power for operation of the unit. An air source heat exchange coiler is used for absorbing energy in air. The solar energy and the energy in air are released through condensation of refrigerant steam and fusion heat of the refrigerant steam and dilute solution and transmitted to hot water, and therefore an energy utilization rate is improved.
Description
Technical field
The utility model relates to a kind of solar air source absorption heat pump unit.
Background technology
At the common civil buildings thing, the energy consumption of air-conditioning has accounted for more than 58% at present, brings very large pressure to supply of electric power.China is the important component part of solar energy utilization as regenerative resource in the alternative energy strategy, and the development of having put into effect a series of policy guidance file encouragement and support solar energy Study on Transformation and the cause of application.
Traditional heat pump apparatus of air source adopts compressor as the driver part of unit, and the degree of wear is large, and noise is large, and service life is short.For example: Chinese patent: a kind of energy-saving solar air source heat pump Multi Role Aircraft among the CN 102012129A, use compressor as driver part.
Traditional absorption heat pump unit great majority adopt natural gas, industrial exhaust heat as the driving force of unit, and demand motive energy purchase cost increases operating cost.For example: in the disclosed technology contents of Chinese patent CN 201561564U, a combustion gas is as unit operation power.The tradition sorption type heat pump adopts natural gas as driving force, has taken away a large amount of heats in the flue gas of generation, and the utilization rate of the energy is low, and the character of the used cold-producing medium working medium of conventional heat pump unit has determined its at low temperatures stable operation.
Summary of the invention
For solving above technical deficiency, the utility model provides a kind of energy-saving and emission-reduction, the solar air source absorption heat pump unit that heat utilization efficiency is high.
The utility model is realized by following measures:
A kind of solar air source absorption heat pump unit of the present utility model comprises:
Generator, in be provided with the heat exchanger of solar heater, the generator top is provided with the even cloth structure I of liquid film evaporation section, stripping section and solution;
Rectifier, its medium inlet is communicated with the media outlet at generator top, the media outlet of rectifier is connected to the heat exchange coil III, be provided with the heat exchange coil I in the rectifier, the entrance of described heat exchange coil I is connected with solution pump, the outlet of heat exchange coil I is divided into two-way, and one the tunnel connects the even cloth structure I of solution of generator, and another road is connected to the heat exchange coil II;
Recoler, in be provided with the heat exchange coil IV;
The partition water-cooled condenser is provided with cooling water inlet and hot water outlet, and described heat exchange coil III is arranged in the partition water-cooled condenser, and the outlet of heat exchange coil III connects the heat exchange coil IV;
The air-source heat exchanger coil is furnished with blower fan, the entrance of air-source heat exchanger coil connect the heat exchange coil IV outlet and between be provided with throttling arrangement, the medium inlet of the outlet connecting secondary cooler of air-source heat exchanger coil;
Membrance-type absorber, the top is provided with the even cloth structure II of solution, the medium inlet of membrance-type absorber is connected with the media outlet of recoler, described heat exchange coil II is arranged in the membrance-type absorber, the outlet of heat exchange coil II connects the stripping section of generator, the even cloth structure II of described solution connect generator the liquid film evaporation section and between be provided with the weak solution magnetic valve; And
The falling film type heat exchanger is provided with cooling water inlet and hot water outlet, and its medium inlet connects the media outlet of membrance-type absorber, and the media outlet of falling film type heat exchanger connects solution pump.
The media outlet of above-mentioned rectifier connect the air-source heat exchanger coil entrance and between be provided with the defrosting valve.
Cold-producing medium in the above-mentioned generator is ammonia spirit, and the refrigerant vapour concentration that described cold-producing medium heats up in a steamer through heating, carrying in generator, rectifying produces is 99.2%～99.9%, and remaining refrigerant concentration is 3%～8% after evaporating in the generator.
Above-mentioned weak solution magnetic valve is connected with control module, described control module is connected with temperature sensor, liquid level sensor, control module is according to the aperture of the temperature signal that receives and liquid level signal control weak solution magnetic valve, pass through the liquid inventory of weak solution magnetic valve with control, thereby control the internal circulating load of the whole circulatory system.
The even cloth structure I of mentioned solution is U-shaped isocon or disk overflow pipe, and described U-shaped isocon is carbon steel pipe or stainless steel tube, is provided with 10-15 through hole and 10-15 rivet on the described disk overflow pipe, and the even cloth structure II of described solution is annular isocon.
The irregular packing ring that is placed with in the heat exchange coil I in the above-mentioned rectifier.
Be provided with the GAX high-performance heat exchanger in the above-mentioned membrance-type absorber, described GAX high-performance heat exchanger is the constant worm pich pipe, and the even bilayer of constant worm pich pipe closely is arranged in the membrance-type absorber.
Be provided with spiral stream guidance pipe and helical baffles in the above-mentioned generator.
The refrigerant vapour concentration that above-mentioned cold-producing medium heats up in a steamer through heating, carrying in generator, rectifying produces is 99.8%, and remaining refrigerant concentration is 4% after the evaporation.
The beneficial effects of the utility model are:
1. this device, does not need to consume electric energy and converts solar energy into high-grade energy directly as drive energy with solar source, has saved a large amount of costs of investment, has greatly improved simultaneously the efficient that solar energy turns the heat energy of heat.2. this device is absorption type refrigeration with the driver part of diaphragm type solution pump as unit, does not have the wearing and tearing of moving component, and long service life, noise are little.This device not with natural gas or industrial exhaust heat as drive energy, the mode heat supply of adopting solar energy directly to drive has solved the low problem of traditional absorption heat pump energy utilization rate, and a utilization rate of the energy is brought up to more than 85%.4. this device has improved the utilization rate of the unit energy, and then improves and to heat heating rate, makes its COP up to 1.8～2.0.5. during the defrosting of this device, utilize after the refrigerant vapour defrosting that enters the air-source heat exchanger coil with the weak solution dissolving after the heat of solution of emitting, having guaranteed still can stably provide heat when defrosting.
Description of drawings
Fig. 1 is structure connection diagram of the present utility model.
Wherein: 1 generator, 1-1 liquid film evaporation section, 1-2 stripping section, 1-3 solution is spared cloth structure I, 1-4 spiral stream guidance pipe and helical baffles, 2 rectifiers, 2-1 heat exchange coil I, 3 partition water-cooled condensers, 3-1 heat exchange coil III, 4 recolers, 4-1 heat exchange coil IV, 5 air-source heat exchanger coils, 6 blower fans, 7 membrance-type absorbers, 7-1 solution is spared cloth structure II, 7-2 heat exchange coil II, 7-3GAX high-performance heat exchanger, 8 falling film type heat exchangers, 9 solution pumps, 10 weak solution magnetic valves, 11 defrosting valves, the heat exchanger of 12 solar heaters, 13 throttling arrangements.
The specific embodiment
Solar air source absorption heat pump unit of the present utility model with the drive energy of natural energy source solar energy as unit, is input to solar energy in the solar heat pump installation by heating heat exchanger in the generator 1, and the power of unit operation is provided.By the energy in air-source heat exchanger coil 5 absorbing airs, this two-part energy discharges by the condensation of refrigerant vapour and the heat of fusion of refrigerant vapour and weak solution, passes to hot water, improves energy utilization rate.During defrosting, utilize after the refrigerant vapour defrosting that enters air-source heat exchanger coil 5 and the heat of solution of emitting after the weak solution dissolving, guaranteed when defrosting, still can stably provide the scheme of heat.
Concrete structure comprises generator 1, rectifier 2, recoler 4, partition water-cooled condenser 3, air-source heat exchanger coil, membrance-type absorber 7 and falling film type heat exchanger 8.Wherein be provided with the heat exchanger 12 of solar heater in the generator 1, generator 1 top is provided with liquid film evaporation section 1-1, stripping section 1-2 and the even cloth structure I 1-3 of solution.The medium inlet of rectifier 2 is communicated with the media outlet at generator 1 top, the media outlet of rectifier 2 is connected to heat exchange coil III 3-1, be provided with heat exchange coil I 2-1 in the rectifier 2, the entrance of heat exchange coil I 2-1 is connected with solution pump 9, the outlet of heat exchange coil I 2-1 is divided into two-way, one the tunnel meets the even cloth structure I 1-3 of solution of generator 1, and another road is connected to heat exchange coil II 7-2.Be provided with heat exchange coil IV 4-1 in the recoler 4.Partition water-cooled condenser 3 is provided with cooling water inlet and hot water outlet, and heat exchange coil III 3-1 is arranged in the partition water-cooled condenser 3, and the outlet of heat exchange coil III 3-1 connects heat exchange coil IV 4-1.Air-source heat exchanger coil 5 is furnished with blower fan 6, the entrance of air-source heat exchanger coil 5 connect heat exchange coil IV 4-1 outlet and between be provided with throttling arrangement 13, the medium inlet of the outlet connecting secondary cooler 4 of air-source heat exchanger coil 5.Membrance-type absorber 7 tops are provided with the even cloth structure II 7-1 of solution, the medium inlet of membrance-type absorber 7 is connected with the media outlet of recoler 4, heat exchange coil II 7-2 is arranged in the membrance-type absorber 7, the outlet of heat exchange coil II 7-2 connects the stripping section 1-2 of generator 1, the even cloth structure II 7-1 of solution connect generator 1 liquid film evaporation section 1-1 and between be provided with weak solution magnetic valve 10.Falling film type heat exchanger 8 is provided with cooling water inlet and hot water outlet, and its medium inlet connects the media outlet of membrance-type absorber 7, and the media outlet of falling film type heat exchanger 8 connects solution pump 9.The media outlet of rectifier 2 connect the air-source heat exchanger coil entrance and between be provided with defrosting valve 11.
The utility model inside comprises two circulations, refrigerant circulation and absorbent circulation.The ammonia of wherein sending into after through solution pump 9 pressurization the rectifier 2 with HTHP from falling film type heat exchanger 8 concentrated solution out carries out heat exchange, concentrated solution is heated, the ammonia of HTHP is cooled, the concentrated solution that obtains heat is divided into two parts, a part directly enters generator 1 top stripping section 1-2, and a part enters GAX high-performance heat exchanger 7-3 and the mixed high temperature weak solution of falling film absorbre 7 and carries out heat exchange.After entering the concentrated solution process stripping section 1-2 of stripping section 1-2, enter together generator 1 with the concentrated solution from the GAX high-performance heat exchanger 7-3 of absorber, concentrated solution continues to draw the heat from heating heat exchanger input in the generator 1 in generator 1, ammonia is constantly evaporation from solution, solution concentration reduces gradually, becomes weak solution.
After weak solution enters membrance-type absorber 7 through weak solution magnetic valve 10, absorb on the one hand overheated ammonia and release heat of fusion from recoler 4; Carry out exchange heat with the concentrated solution that enters GAX high-performance heat exchanger 7-3 after mixing on the one hand, temperature constantly reduces, concentration constantly raises, and enters afterwards falling film type heat exchanger 8, carries out the circulation that enters next absorbent after the heat exchange (producing heat) with the air-conditioning backwater.
The ammonia of HTHP out enters partition water-cooled condenser 3 afterwards from rectifier 2, carry out heat exchange (producing heat) with the air-conditioning backwater in the partition water-cooled condenser 3, the ammonia condensation of HTHP is that liquefied ammonia enters recoler 4 afterwards, carry out exchange heat with ammonia from the air-source heat exchanger and became cold ammonia spirit, cross cold ammonia spirit then through entering the air-source heat exchanger after throttling arrangement 13 throttlings, enter recoler 4 behind the heat in the absorbing air (refrigeration) and become overheated ammonia, then entering membrance-type absorber 7 is absorbed by weak solution, become concentrated solution, enter again the circulation of next cold-producing medium.During defrosting, utilize after the refrigerant vapour defrosting that enters air-source heat exchanger coil 5 and the heat of solution of emitting after the weak solution dissolving, having guaranteed still can stably provide heat when defrosting.
Specifically, send into after through solution pump 9 pressurization the rectifier 2 in rectifier 2 heat exchanger coils with out the ammonia of HTHP from generator 1 from falling film type heat exchanger 8 concentrated solution out and to carry out heat exchange at rectifier 2, be full of packing ring in rectifier 2 cavitys and arrange and special construction by irregular, strengthened the exchange of heat transfer, mass transfer.Cold-producing medium through heating, carry heat up in a steamer, between the purity 99.2%～99.9% after the rectifying.Remaining refrigerant concentration is 3%～8% after the generator 1 interior evaporation.Preferably, cold-producing medium generator 1 interior through heating, carry heat up in a steamer, refrigerant vapour concentration is 99.8% after the rectifying, remaining refrigerant concentration is 4% after the generator 1 interior evaporation.
The even cloth structure I 1-3 of solution adopts U-shaped isocon or disk overflow pipe, and the U-shaped isocon is carbon steel pipe or stainless steel tube, is provided with 10-15 through hole and 10-15 rivet on the disk overflow pipe, and the even cloth structure II 7-1 of solution is annular isocon.The concentrated solution of rectifier 2 interior acquisition heats is divided into two parts, a part directly enters generator 1 stripping section 1-2, U-shaped isocon or disk overflow pipe by generator 1 top distribute concentrated solution uniformly, the GAX high-performance heat exchanger 7-3 that a part enters membrance-type absorber 7 carries out heat exchange with the weak solution and the mixed heat of solution of refrigerant vapour that enter absorber from generator 1, and the exchange heat that takes full advantage of internal system improves the utilization rate of the energy.
Enter the concentrated solution of stripping section 1-2 through the further heat exchange at stripping section 1-2, enter together the middle part of generator 1 with the concentrated solution from the GAX high-performance heat exchanger 7-3 of membrance-type absorber 7, concentrated solution flows downward by spiral stream guidance pipe and helical baffles 1-4 in generator 1, in the process that flows downward, continue to draw the heat by the solar energy of heating heat exchanger input system inside, constantly evaporate fully at the liquid film evaporation position, solution concentration reduces gradually, become weak solution, concentration is 3%～8%, and weak solution is by the spiral stream guidance pipe, weak solution magnetic valve 10 enters membrance-type absorber 7 tops.Weak solution enters the amount of absorption and is controlled by the control logic that heat source temperature or leaving water temperature etc. forms, and guarantees that the amount of weak solution and the amount of refrigerant vapour realize optimum Match.
After weak solution enters membrance-type absorber 7, on the one hand at GAX high-performance heat exchanger 7-3 Surface absorption from the overheated ammonia of recoler 4 and discharge heat of fusion; Carry out exchange heat with the concentrated solution that enters GAX high-performance heat exchanger 7-3 after mixing on the one hand, temperature constantly reduces, and concentration constantly raises, and enters afterwards falling film type heat exchanger 8, carries out entering next time circulation after the heat exchange with the air-conditioning backwater.
The ammonia of HTHP out enters partition water-cooled condenser 3 afterwards from rectifier 2, carry out heat exchange with the air-conditioning backwater in the partition water-cooled condenser 3, the ammonia condensation of HTHP is that liquefied ammonia enters recoler 4 afterwards, carry out exchange heat with the ammonia from the air-source heat exchanger, became cold ammonia spirit, then through entering the air-source heat exchanger after throttling arrangement 13 throttlings, enter recoler 4 behind the energy in the absorbing air and become overheated ammonia, then entering membrance-type absorber 7 is absorbed by weak solution, become concentrated solution, enter again next time circulation.During defrosting, defrost valve is opened during defrosting, pass by the temperature on the air-source heat exchanger coil 5, control hot gas flow, guarantee with minimum heat the frost layer of air heat exchange coil pipe to be removed, the refrigerant vapour that simultaneously defrosting is used enters membrance-type absorber 7 by recoler 4 after the defrosting of air heat exchange coil pipe, with membrance-type absorber 7 top annular isocons absorbent is sprayed on above the GAX high-performance heat exchanger 7-3 in the membrance-type absorber 7 equably, realizes that absorbent and cold-producing medium farthest absorb.Become the concentrated solution of high temperature after absorbent and the refrigerant mixed, the concentrated solution of this part high temperature enters that cooling water carries out the heat transmission in falling film type heat exchanger 8 and the falling film type heat exchanger 8, thereby still produce the function of hot water in the time of can realizing defrosting, the problem that has not heated when having solved the defrosting of conventional heat pump unit, greatly improved the service efficiency of the energy, high-efficiency environment friendly is conducive to the adjustment of energy resource structure.
GAX high-performance heat exchanger 7-3 in the membrance-type absorber 7 is the constant worm pich pipe, and the even bilayer of constant worm pich pipe closely is arranged in the membrance-type absorber 7.Generator 1 carries out inner backheat with absorber in the absorption unit of GAX high-performance heat exchanger 7-3, with the absorption recuperation of heat of emitting in the absorption process, and delivers to generator 1 for the usefulness of generation, thereby improves the thermal efficiency of unit, improves cycle performance.Weak solution magnetic valve 10 is connected with control module, control module is connected with temperature sensor, liquid level sensor, control module is according to the aperture of the temperature signal that receives and liquid level signal control weak solution magnetic valve 10, pass through the liquid inventory of weak solution magnetic valve 10 with control, thereby control the internal circulating load of the whole circulatory system.Be provided with spiral stream guidance pipe or helical baffles in the generator 1, improved heat exchange efficiency.
The required cold-producing medium of the utility model does not adopt freon to use ammonia spirit instead.From environment protection significance, it is fit to current environmental requirement.Reduce the discharge capacity of CFC, namely reduce the gas that produces greenhouse effects, protected ozone layer, play a part positive to reducing greenhouse effects.Adopt solar energy to drive air-conditioning system as thermal source, will play a great role in environmental protection.Adopt pure ammonia as cold-producing medium, because the freezing point of ammonia is-77.7 ℃, can under-20 ℃ low temperature, provide sustainedly and stably hot water.
Claims (9)
1. a solar air source absorption heat pump unit is characterized in that, comprising:
Generator, in be provided with the heat exchanger of solar heater, the generator top is provided with the even cloth structure I of liquid film evaporation section, stripping section and solution;
Rectifier, its medium inlet is communicated with the media outlet at generator top, the media outlet of rectifier is connected to the heat exchange coil III, be provided with the heat exchange coil I in the rectifier, the entrance of described heat exchange coil I is connected with solution pump, the outlet of heat exchange coil I is divided into two-way, and one the tunnel connects the even cloth structure I of solution of generator, and another road is connected to the heat exchange coil II;
Recoler, in be provided with the heat exchange coil IV;
The partition water-cooled condenser is provided with cooling water inlet and hot water outlet, and described heat exchange coil III is arranged in the partition water-cooled condenser, and the outlet of heat exchange coil III connects the heat exchange coil IV;
The air-source heat exchanger coil is furnished with blower fan, the entrance of air-source heat exchanger coil connect the heat exchange coil IV outlet and between be provided with throttling arrangement, the medium inlet of the outlet connecting secondary cooler of air-source heat exchanger coil;
Membrance-type absorber, the top is provided with the even cloth structure II of solution, the medium inlet of membrance-type absorber is connected with the media outlet of recoler, described heat exchange coil II is arranged in the membrance-type absorber, the outlet of heat exchange coil II connects the stripping section of generator, the even cloth structure II of described solution connect generator the liquid film evaporation section and between be provided with the weak solution magnetic valve; And
The falling film type heat exchanger is provided with cooling water inlet and hot water outlet, and its medium inlet connects the media outlet of membrance-type absorber, and the media outlet of falling film type heat exchanger connects solution pump.
2. described solar air source absorption heat pump unit according to claim 1 is characterized in that: the media outlet of described rectifier connect the air-source heat exchanger coil entrance and between be provided with the defrosting valve.
3. described solar air source absorption heat pump unit according to claim 1, it is characterized in that: the cold-producing medium in the described generator is ammonia spirit, the refrigerant vapour concentration that described cold-producing medium heats up in a steamer through heating, carrying in generator, rectifying produces is 99.2%～99.9%, and the rear remaining refrigerant concentration of evaporation is 3%～8% in the generator.
4. described solar air source absorption heat pump unit according to claim 1, it is characterized in that: described weak solution magnetic valve is connected with control module, described control module is connected with temperature sensor, liquid level sensor, control module is according to the aperture of the temperature signal that receives and liquid level signal control weak solution magnetic valve, with the liquid inventory of control by the weak solution magnetic valve.
5. described solar air source absorption heat pump unit according to claim 1, it is characterized in that: the even cloth structure I of described solution is U-shaped isocon or disk overflow pipe, described U-shaped isocon is carbon steel pipe or stainless steel tube, be provided with 10-15 through hole and 10-15 rivet on the described disk overflow pipe, the even cloth structure II of described solution is annular isocon.
6. described solar air source absorption heat pump unit according to claim 1 is characterized in that: the irregular packing ring that is placed with in the heat exchange coil I in the described rectifier.
7. described solar air source absorption heat pump unit according to claim 1, it is characterized in that: be provided with the GAX high-performance heat exchanger in the membrance-type absorber, described GAX high-performance heat exchanger is the constant worm pich pipe, and the even bilayer of constant worm pich pipe closely is arranged in the membrance-type absorber.
8. described solar air source absorption heat pump unit according to claim 1 is characterized in that: be provided with spiral stream guidance pipe and helical baffles in the described generator.
9. described solar air source absorption heat pump unit according to claim 3 is characterized in that: described cold-producing medium in generator through heating, carry heat up in a steamer, refrigerant vapour concentration that rectifying produces is 99.8%, remaining refrigerant concentration is 4% after the evaporation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220493770 CN202792694U (en) | 2012-09-26 | 2012-09-26 | Solar air source absorption heat pump device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220493770 CN202792694U (en) | 2012-09-26 | 2012-09-26 | Solar air source absorption heat pump device |
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| Publication Number | Publication Date |
|---|---|
| CN202792694U true CN202792694U (en) | 2013-03-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220493770 Withdrawn - After Issue CN202792694U (en) | 2012-09-26 | 2012-09-26 | Solar air source absorption heat pump device |
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| CN (1) | CN202792694U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102840719A (en) * | 2012-09-26 | 2012-12-26 | 山东威特人工环境有限公司 | Solar energy air source absorption heat pump device |
| CN105776377A (en) * | 2016-04-14 | 2016-07-20 | 上海理工大学 | Industrial liquid hazardous waste treatment system |
-
2012
- 2012-09-26 CN CN 201220493770 patent/CN202792694U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102840719A (en) * | 2012-09-26 | 2012-12-26 | 山东威特人工环境有限公司 | Solar energy air source absorption heat pump device |
| CN105776377A (en) * | 2016-04-14 | 2016-07-20 | 上海理工大学 | Industrial liquid hazardous waste treatment system |
| CN105776377B (en) * | 2016-04-14 | 2018-07-31 | 上海理工大学 | A kind of industrial liquid dangerous waste processing 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: 20130313 Effective date of abandoning: 20140611 |
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| RGAV | Abandon patent right to avoid regrant |