CN1693821A - Gas-liquid-solid spray absorbing refrigeration/air conditioning system using residual heat - Google Patents
Gas-liquid-solid spray absorbing refrigeration/air conditioning system using residual heat Download PDFInfo
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- CN1693821A CN1693821A CNA2004100373959A CN200410037395A CN1693821A CN 1693821 A CN1693821 A CN 1693821A CN A2004100373959 A CNA2004100373959 A CN A2004100373959A CN 200410037395 A CN200410037395 A CN 200410037395A CN 1693821 A CN1693821 A CN 1693821A
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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
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Abstract
The invention relates to a spray absorbing positive pressure system for refrigeration caused by the heat energy above 70 degree centigrade that includes a generator, a spray absorbing machine, two electromagnetism pumps, two condensation heat exchangers, an evaporator, and a back heating heat exchanger. The generator is heat exchanger that transmits heat source heat energy to mixture material in the system. The spray absorbing machine is the device to absorb the refrigerant. It contains the material that can accelerate the catalysis of compounding speed. The evaporator is the heat exchange device to refrigerate the outside heat that could be air conditioner, refrigerator or ice machine. The invention is small volume, strong vibration resistance, and high refrigerant efficiency.
Description
Technical field
What the present invention relates to is to utilize the spray of heat energy generation refrigeration more than 70 ℃ to absorb positive pressure system, belongs to thermal refrigerating, technical fields such as air conditioner refrigerating heating.
Background technology
Thermal refrigerating does not have the New Refrigerating technology of environmental disruption to be subjected to increasing attention as effectively utilizing low-grade energy in industrial waste heat, engine exhaust heat and the solar energy etc.At aspects such as marine refrigeration, vehicle refrigeration, aerospace refrigeration, tank refrigerating, warship refrigeration, solar refrigeration, power plant's refrigeration goodish application prospect is arranged, this all has very big meaning to energy-conservation and environmental protection.
Thermal refrigerating mainly contains absorption refrigeration and absorption type refrigerating two big classes, absorption type refrigerating mainly is to utilize the agent of solid absorbent absorption/desorption refrigeration and the refrigeration modes that produces refrigeration, and absorption refrigeration mainly is to utilize liquid absorbent absorption/desorbs refrigerant and the refrigeration modes that produces refrigeration.System's vibration resistance of absorption type refrigerating is strong, but system bulk is big, and refrigerating efficiency COP is lower, is generally 0.1～0.3.Existing lithium bromide-water, the refrigerating efficiency COP of aqua-ammonia absorption-type refrigerating machine system height is generally 0.5～1.0, but also has the big problem of system bulk, and system can not antivibration, and levelness requires high, and system's cryogenic temperature can not be lower than below 0 ℃.
Summary of the invention
Little in order to realize the thermal refrigerating system bulk, the refrigerating efficiency height, vibration resistance is strong, controls easyly, and cryogenic temperature is purposes such as-26 ℃～7 ℃, and the present invention proposes to utilize the gas-liquid-solid spray of waste heat to absorb refrigeration/air-conditioning system.This system is in conjunction with the system architecture advantage of absorption type and absorption refrigeration, the right one generator type waste heat absorption type refrigerating unit of a kind of mixed working fluid is proposed, mainly comprise a generator 3, a spray absorber 7,2 electromagnetic pumps 10,11,9, one Recuperative heat exchangers 13 of 5,12, one evaporimeters of 2 condensing heat exchangers.Wherein generator is to transmit the heat-exchanger rig that the thermal source heat is given compounding substances in the system, and generator can utilize gas and the liquid thermal source more than 70 ℃.Spray absorber is that cold-producing medium is absorbed the device of returning, and solid matter is arranged in it, and solid matter plays the catalytic action of fast reaction speed in absorption reaction.An evaporimeter is the heat-exchanger rig that external heat is freezed, and can be air-conditioning, refrigerator, ice machine etc.
The refrigeration system that the present invention proposes, its technical characterictic is that condensing heat exchanger 5, the condensing heat exchanger 5 of cooling absorber, Recuperative heat exchanger 13, the generator 3 of cooling refrigeration agent all adopt compact heat exchange structure, and compact heat exchange structure can be whole plate type heat exchanger, detachable board-like heat exchanger, plate-fin heat exchanger, fin-tube heat exchanger.Because refrigeration system is a malleation, pressure is at 0.8～1.5Mpa, and system realizes compact heat exchange easily, makes system bulk reduce and weight saving.
The employed refrigeration working medium of refrigeration system that the present invention proposes is to be multiple compounding substances composition, compounding substances by gas more than 2 kinds, more than 2 kinds liquid and more than a kind solid form.Solid matter is the material of catalytic action, is present in generator 3 and the spray absorber 7.Gas in the compounding substances and liquid generation absorption and desorption reaction realize kind of refrigeration cycle.Whole refrigeration system does not have choke valve, and refrigeration control is by the rotation speed regulating and controlling of magnetic drive pump 10,11.
The present invention compares with existing absorption techniques, has the following advantages and the high-lighting effect: the refrigeration system that the present invention proposes is owing to added the material of catalytic action, and infiltration rate and desorb speed up; System adopts the high compact heat exchanger of the coefficient of heat transfer, and system conducts heat, compact conformation, and volume is little; Do not have choke valve in the system, the system pipeline resistance reduces, and system's evaporation effect is good.
Description of drawings
Fig. 1 is that gas-liquid-solid spray absorbs refrigeration/air-conditioning system Fig. 1.
Fig. 2 is that gas-liquid-solid spray absorbs refrigeration/air-conditioning system Fig. 2.
The specific embodiment
Further specify the specific embodiment of the present invention below in conjunction with accompanying drawing:
System of the present invention comprises that mainly thermal source outlet 1, thermal source import 2, generator 3, gas-liquid separator 4, condensing heat exchanger 5,12, choke valve 6, spray absorber 7, gas connect U type pipe 8, evaporimeter 9, magnetic drive pump 10,11, Recuperative heat exchanger 13 and some pipelines and constitutes.
Gas or liquid thermal source enter generator 3 by thermal source import 2, and generator 3 is that the heat exchanger of mixed working fluid to material that flow is equipped with in inside.Generator is heated, partially mixed working medium is arranged to entering gas-liquid separator 4 after being heated, mix refrigerant gas is isolated in the absorbent desorb in gas-liquid separator 4, the mix refrigerant gas of high temperature enters condensing heat exchanger 5 and cools off, and mix refrigerant gas part becomes liquid by gas and enters in the evaporimeter 9.High temperature sorbent in the gas-liquid separator 4 after the desorb from gas-liquid separator 4 bottoms or the bottom, side flow out and to enter Recuperative heat exchanger 13, after the backheat heat exchange, high temperature sorbent becomes the lower temperature absorbent, the lower temperature absorbent is flowed into by spray absorber 7 side bottom, there is solid catalytic material spray absorber 7 inside, liquid-absorbant is circulated to spray absorber 7 upper ends by magnetic drive pump 11, sprayed then, through a condensing heat exchanger 12, condensing heat exchanger 12 comes out the absorption reaction heat exchange to liquid-absorbant in the pump cyclic process.Liquid-absorbant is under the effect of pump cyclic force, and a part enters spray absorber 7 upper ends, and a part enters generator 3 by Recuperative heat exchanger 13.Absorbent in the evaporimeter 9 enters in the spray absorber 7 through gas connection U type pipe 8 after becoming gaseous state by liquid state, is absorbed by liquid-absorbant.Gas connects U type pipe 8 and can be made up of many U type pipes of differing heights, and liquid-absorbant can not fled the evaporimeter 9 from spray absorber 7 when mainly playing system vibration, adopts 3 U type pipes in this exemplary application.
Condensing heat exchanger 5,12 can adopt whole plate type heat exchanger, detachable board-like heat exchanger, plate-fin heat exchanger, fin-tube heat exchanger, wave-fin coil heat exchanger etc., and cooling medium can be air or water.
Cold-producing medium in magnetic drive pump 10 circulating evaporators 9 can be accelerated cold-producing medium evaporation and heat-exchange speed.
If the systemic circulation cold-producing medium is corrosive to outside evaporator material or is not suitable for moving in the externally existing evaporimeter, then according to the method among Fig. 2, by heat exchanger 14 exchange system colds, cold-producing medium is changed into the cold-producing medium that is suitable for external evaporation modulator material and operating mode.
Claims (9)
1. one kind is utilized the spray of heat energy generation refrigeration more than 70 ℃ to absorb positive pressure system.Mainly connecting U type pipe 8, evaporimeter 9, magnetic drive pump 10,11, Recuperative heat exchanger 13 and some pipelines by thermal source outlet 1, thermal source import 2, generator 3, gas-liquid separator 4, condensing heat exchanger 5,12, choke valve 6, spray absorber 7, gas constitutes.It is characterized in that: utilizing heat source temperature is more than 70 ℃, the refrigeration system antivibration, and refrigeration system is a malleation, pressure is at 0.7～1.7Mpa, system realizes compact heat exchange easily, makes system bulk reduce and weight saving, system's manufactured materials employing stainless steel or carbon steel or aluminium, aluminium alloy.
2. absorb positive pressure system according to the described spray of claim 1, it is characterized in that: system's cryogenic temperature is at-26 ℃～7 ℃, and refrigerating efficiency COP is 0.5～0.8.
3. absorb positive pressure system according to the described spray of claim 1, it is characterized in that: the condensing heat exchanger 5 of cooling refrigeration agent, the condensing heat exchanger 5 of cooling absorber, Recuperative heat exchanger 13, generator 3 all adopt compact heat exchange structure, compact heat exchange structure can be whole plate type heat exchanger, detachable board-like heat exchanger, plate-fin heat exchanger, fin-tube heat exchanger, and heat exchanger materials adopts stainless steel or aluminium, aluminium alloy or carbon steel.
4. absorb positive pressure system according to claim 1 or 2 described sprays, it is characterized in that: refrigeration working medium is to forming for multiple compounding substances, compounding substances by gas more than 2 kinds, more than 2 kinds liquid and more than a kind solid form.Solid matter is the material of catalytic action, is present in generator 3 and the spray absorber 7.Gas in the compounding substances and liquid generation absorption and desorption reaction realize kind of refrigeration cycle.
5. absorb positive pressure system according to claim 1 or 3 described sprays, it is characterized in that: whole refrigeration system does not have choke valve, and refrigeration control is by the rotation speed regulating and controlling of magnetic drive pump 10,11.
6. absorb positive pressure system according to claim 1 or 3 described sprays, it is characterized in that: the absorbent in the evaporimeter 9 enters in the spray absorber 7 through gas connection U type pipe 8 after becoming gaseous state by liquid state, is absorbed by liquid-absorbant.Gas connects U type pipe 8 and can be made up of many U type pipes of differing heights, guarantees that liquid-absorbant can not fled the evaporimeter 9 from spray absorber 7 in the time of system vibration.
7. absorb positive pressure system according to the described spray of claim 5, it is characterized in that: U type pipe height is greater than 1/3 spray absorber, 7 height, less than 2/3 spray absorber, 7 height.U type pipe quantity is 2～10, and optimal number is 2～3.U type pipe placement location is relevant with the system refrigerating capacity.
8. absorb positive pressure system according to claim 1 or 6 described sprays, it is characterized in that: liquid-absorbant is under the effect of magnetic drive pump 11 cyclic forces, and a part enters spray absorber 7 upper ends, and a part enters generator 3 by Recuperative heat exchanger 13.
9. absorb positive pressure system according to the described spray of claim 7, it is characterized in that: the flow that liquid-absorbant enters spray absorber 7 is 0.01～100 with the flow-rate ratio that enters Recuperative heat exchanger 13.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2004100373959A CN1693821A (en) | 2004-05-08 | 2004-05-08 | Gas-liquid-solid spray absorbing refrigeration/air conditioning system using residual heat |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2004100373959A CN1693821A (en) | 2004-05-08 | 2004-05-08 | Gas-liquid-solid spray absorbing refrigeration/air conditioning system using residual heat |
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| CN1693821A true CN1693821A (en) | 2005-11-09 |
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| CNA2004100373959A Pending CN1693821A (en) | 2004-05-08 | 2004-05-08 | Gas-liquid-solid spray absorbing refrigeration/air conditioning system using residual heat |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106091477A (en) * | 2016-06-28 | 2016-11-09 | 北京联力源科技有限公司 | Absorption heat pump and condenser thereof and method |
| CN109282397A (en) * | 2018-08-14 | 2019-01-29 | 浙江理工大学 | Novel energy storage air conditioner and method based on air cycle refrigeration circulation |
-
2004
- 2004-05-08 CN CNA2004100373959A patent/CN1693821A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106091477A (en) * | 2016-06-28 | 2016-11-09 | 北京联力源科技有限公司 | Absorption heat pump and condenser thereof and method |
| CN106091477B (en) * | 2016-06-28 | 2019-08-16 | 北京联力源科技有限公司 | Absorption heat pump and its condenser and method |
| CN109282397A (en) * | 2018-08-14 | 2019-01-29 | 浙江理工大学 | Novel energy storage air conditioner and method based on air cycle refrigeration circulation |
| CN109282397B (en) * | 2018-08-14 | 2020-06-19 | 浙江理工大学 | Novel energy storage air conditioning device and method based on air compression refrigeration cycle |
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Effective date of registration: 20050930 Address after: 410131 Hunan province Changsha Yuanda road two Quantang to electric power construction company Applicant after: Tian Guohui Address before: Hunan city Changsha Yuanjialing No. 1 Applicant before: Li Huawei |
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