CN103123179A - Multi-heat-source absorption refrigeration device - Google Patents

Multi-heat-source absorption refrigeration device Download PDF

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Publication number
CN103123179A
CN103123179A CN2013100366653A CN201310036665A CN103123179A CN 103123179 A CN103123179 A CN 103123179A CN 2013100366653 A CN2013100366653 A CN 2013100366653A CN 201310036665 A CN201310036665 A CN 201310036665A CN 103123179 A CN103123179 A CN 103123179A
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China
Prior art keywords
heat
pipeline
generator
absorber
rectifier
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Granted
Application number
CN2013100366653A
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Chinese (zh)
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CN103123179B (en
Inventor
杨永平
王旭飞
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SHAANXI DONGTAI ENERGY TECHNOLOGY Co Ltd
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SHAANXI DONGTAI ENERGY TECHNOLOGY Co Ltd
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Priority to CN201310036665.3A priority Critical patent/CN103123179B/en
Publication of CN103123179A publication Critical patent/CN103123179A/en
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Publication of CN103123179B publication Critical patent/CN103123179B/en
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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
    • 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
    • Y02B30/625—Absorption based systems combined with heat or power generation [CHP], e.g. trigeneration

Abstract

The invention discloses a multi-heat-source absorption refrigeration device. The multi-heat-source absorption refrigeration device comprises an energy accumulator and a generator, wherein the generator is connected with the energy accumulator through a pipeline. A U-shaped tubular heat exchanger is arranged in the generator, a rectifier connected with the generator is connected to an absorber through a pipeline, the rectifier is connected with a condenser, the absorber is further respectively connected with a super-cooler and an absorption cooler through pipelines, and the super-cooler is further respectively connected with an evaporator, an ammonia gas tank and the condenser through pipelines. The cooler is connected with a solution tank through a pipeline, the solution tank is connected with a piston diaphragm pump and a motor sequentially, and the evaporator is provided with a draught fan. According to the multi-heat-source absorption refrigeration device, the range of available heat energy is enlarged; particularly, a number of low-grade heat sources such as industrial waste heat are effectively used; besides, work efficiency of a unit is improved due to multiple heat recovery procedures of the unit; and leakage of a system is reduced due to adoption of the piston diaphragm pump, and therefore reliability of the unit is improved.

Description

A kind of many thermals source absorption type refrigerating unit
Technical field
The invention belongs to the new forms of energy technical field of refrigeration equipment, be specifically related to a kind of many thermals source absorption type refrigerating unit.
Background technology
Traditional sorption type refrigerating technology is quite ripe, but the shortcoming that its refrigerating efficiency is not high exists always, how with its with comprise the integrated utilizations of various heating sources such as solar energy, industrial exhaust heat, used heat, electric energy, make the efficient of unit higher, become current urgent problem.
Summary of the invention
The object of the present invention is to provide a kind of many thermals source absorption type refrigerating unit, solved existing Refrigeration Technique when using many thermals source to drive, the problem that the unit refrigerating efficiency is low.
The technical solution adopted in the present invention is: a kind of many thermals source absorption type refrigerating unit, comprise accumulator, accumulator is connected with pipeline with generator, be provided with U-shaped pipe heat exchanger in generator, generator is connected by the pipeline order with rectifier, absorber, rectifier is connected with condenser, and absorber also is connected with absorber cooler with subcooler respectively by pipeline, and subcooler also is connected with condenser with evaporimeter, ammonia tank respectively by pipeline; Cooler is connected with NaOH solution tank NaOH by pipeline, and NaOH solution tank NaOH is connected with motor with piston-diaphragm pump successively, is provided with blower fan on evaporimeter.
Characteristics of the present invention also are,
Be provided with safety valve on rectifier, rectifier inside is provided with coil heat exchanger.
Be provided with the technique valve on absorber.
Be provided with choke valve on the pipeline that connects between subcooler and evaporimeter.
The invention has the beneficial effects as follows: increased the scope that to utilize heat energy, especially make some low level heat energies such as industrial exhaust heat be utilized effectively, and the multiple heat of unit is recycled the operating efficiency that has improved unit, the employing piston-diaphragm pump has reduced the leakage of system, has improved the reliability of unit.
Description of drawings
Fig. 1 is the structural representation of a kind of many thermals source absorption type refrigerating unit of the present invention.
In figure, 1 generator, 2 safety valves, 3 rectifiers, 4 absorbers, 5 technique valves, 6 subcoolers, 7 condensers, 8 blower fans, 9 absorber coolers, 10 evaporimeters, 11 ammonia tanks, 12 choke valves, 13 NaOH solution tank NaOHs, 14 piston-diaphragm pumps, 15 motor, 16 accumulators, 17U type pipe heat exchanger, 18 coil heat exchangers.
The specific embodiment
The present invention is described in detail below in conjunction with the specific embodiment.
The structure of a kind of many thermals source absorption type refrigerating unit of the present invention as shown in Figure 1, comprise accumulator 16, accumulator 16 is connected with pipeline with generator 1, be provided with U-shaped pipe heat exchanger 17 in generator 1, generator 1 is connected by the pipeline order with rectifier 3, absorber 4, rectifier 3 is connected with condenser 7, and absorber 4 also is connected with absorber cooler with subcooler 6 respectively by pipeline and is connected, and subcooler 6 also is connected with condenser with evaporimeter 10, ammonia tank 11 respectively by pipeline and is connected; Cooler 9 is connected with NaOH solution tank NaOH 13 by pipeline, and NaOH solution tank NaOH 13 is connected with motor with piston-diaphragm pump 14 successively and is connected, and is provided with blower fan 8 on evaporimeter 10.
Be provided with safety valve 2 on rectifier 3, rectifier 3 inside are provided with coil heat exchanger 18.
Be provided with technique valve 5 on absorber 4.
Be provided with choke valve 12 on the pipeline that connects between subcooler 6 and evaporimeter 10.
The course of work of a kind of many thermals source absorption type refrigerating unit of the present invention is as follows:
accumulator 16 receives heat energy and the storage that heat-carrying agent provides, the heat energy source that heat-carrying agent carries is solar energy, industrial exhaust heat, used heat etc., can also pass through natural gas, liquefied gas and electricity etc. are converted to heat energy to be provided, accumulator 16 output heat energy are to generator 1, concentrated ammonia solution in the built-in U-shaped pipe heat exchanger 17 heating ammonia tanks 11 of generator 1, the wet ammonia steam that produces enters rectifier 3, moisture in the interior ammonia steam of rectifier 3 is by coil heat exchanger 18 condensations, become middle temperature concentrated solution after low temperature concentrated solution temperature in coil heat exchanger 18 raises simultaneously and flow to absorber 4, the pure ammonia steam that rectifier 3 obtains enters condenser 7, in condenser 7 by the air-cooled liquefied ammonia that is condensed into, it is excessively cold by the saturated ammonia steam of low temperature that liquefied ammonia enters subcooler 6, after passing through again choke valve 12 reducing pressure by regulating flows, entering evaporimeter 10 is evaporated, refrigerating medium cooling in the evaporimeter 10 that this evaporation process absorption heat makes, refrigerating medium carries cold and is discharged into the space that needs cold by blower fan 8, reach the refrigeration purpose.
The saturated ammonia steam that is evaporated in evaporimeter 10 enters ammonia tank 11, enter absorber 4 through after subcooler 6 again, saturated ammonia steam is absorbed by the weak solution from generator 1 in absorber 4, become concentrated solution, the middle temperature concentrated solution that the heat energy part that this absorption process is emitted is absorbed in device 4 absorbs, middle temperature concentrated solution heats up into the high temperature concentrated solution and enters generator 1, remaining heat energy is lowered the temperature by cooler 9, make the tube side pressure decreased of absorber 9, keep the absorption process steady and continuous and carry out.
Enter NaOH solution tank NaOH 13 by the low temperature concentrated solution after absorber 9 coolings, sent in rectifier 3 interior coil heat exchanger 18 and absorber 4 by piston-diaphragm pump 14 again, after low temperature concentrated solution absorption distillation heat in coil heat exchanger 18, temperature raises and is middle temperature concentrated solution, after entering the interior exchange absorption of absorber 4 heat, the temperature rising is the high temperature concentrated solution again, the high temperature concentrated solution enters in generator 1 again, again with generator 1 in U-shaped heat exchange of heat pipe 17 in the heat exchange of high temperature weak solution, by heat temperature raising again.This heat exchange of three times takes full advantage of the heat that produces in the course of work, has reduced the demand of generator heat energy, has improved the operating efficiency of absorption refrigeration unit.
It is to fill and the discharging operation material that technique valve 5 is used for.
Safety valve 2 is unit warning purge valves when pressure is excessive in the course of the work.
By the way, a kind of many thermals source absorption type refrigerating unit of the present invention has solved existing Refrigeration Technique when using many thermals source to drive, the problem that the unit refrigerating efficiency is low, increased the scope that to utilize heat energy, especially make some low level heat energies such as industrial exhaust heat be utilized effectively, and the multiple heat of unit is recycled the operating efficiency that has improved unit, and the employing piston-diaphragm pump has reduced the leakage of system, has improved the reliability of unit.

Claims (4)

1. thermal source absorption type refrigerating unit more than a kind, it is characterized in that, comprise accumulator (16), described accumulator (16) is connected with pipeline with generator (1), be provided with U-shaped pipe heat exchanger (17) in generator (1), described generator (1) and rectifier (3), absorber (4) is connected by the pipeline order, described rectifier (3) is connected with condenser (7), described absorber (4) also is connected 9 with subcooler (6) with absorber cooler respectively by pipeline) be connected, described subcooler (6) also by pipeline respectively with evaporimeter (10), ammonia tank (11) be connected condenser (7) and connect, described cooler (9) is connected with NaOH solution tank NaOH (13) by pipeline, and described NaOH solution tank NaOH (13) is connected 15 with piston-diaphragm pump (14) with motor successively) be connected, be provided with blower fan (8) on described evaporimeter (10).
2. a kind of many thermals source absorption type refrigerating unit as claimed in claim 1, is characterized in that, is provided with safety valve (2) on described rectifier (3), and described rectifier (3) inside is provided with coil heat exchanger (18).
3. a kind of many thermals source absorption type refrigerating unit as claimed in claim 1, is characterized in that, is provided with technique valve (5) on described absorber (4).
4. a kind of many thermals source absorption type refrigerating unit as claimed in claim 1, is characterized in that, is provided with choke valve (12) on the pipeline that connects between described subcooler (6) and evaporimeter (10).
CN201310036665.3A 2013-01-31 2013-01-31 Multi-heat-source absorption refrigeration device Expired - Fee Related CN103123179B (en)

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CN103123179B CN103123179B (en) 2015-06-10

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104456766A (en) * 2014-11-14 2015-03-25 娲石水泥集团武汉万世科技有限公司 Multi-mode intelligent environment-friendly air conditioning complete-set product
CN108489143A (en) * 2018-05-09 2018-09-04 安徽沃特普尔节能科技有限公司 A kind of novel energy-conserving system in library of being freezed using industrial exhaust heat

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1181483A (en) * 1997-10-21 1998-05-13 常州新区信力燃气设备有限公司 Ammonia ahsorption air conditioner set
CN1415922A (en) * 2002-12-12 2003-05-07 上海交通大学 Absorption type refrigeration equipment by using afterheat of internal-combustion engine
CN1550735A (en) * 2003-05-09 2004-12-01 三洋电机株式会社 Single_dual efficiency absorption refrigerating machine
US20110314844A1 (en) * 2010-06-25 2011-12-29 Junjie Gu Method and apparatus for waste heat recovery and absorption gases used as working fluid therein
CN102478322A (en) * 2010-11-23 2012-05-30 大连创达技术交易市场有限公司 Environment-friendly refrigeration air-conditioning device capable of comprehensively utilizing solar energy and waste heat of automobile engine
CN202254475U (en) * 2011-07-14 2012-05-30 清华大学 Absorption type chemical energy storage device including crystallization
CN102889752A (en) * 2012-09-24 2013-01-23 瑞诺威（北京）工程技术有限公司 Methane-rich gas liquefying device provided with ammonia absorption type refrigerator for precooling and methane-rich gas liquefying technology
CN203190710U (en) * 2013-01-31 2013-09-11 陕西东泰能源科技有限公司 Multi-heat-source absorption type refrigeration device

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1181483A (en) * 1997-10-21 1998-05-13 常州新区信力燃气设备有限公司 Ammonia ahsorption air conditioner set
CN1415922A (en) * 2002-12-12 2003-05-07 上海交通大学 Absorption type refrigeration equipment by using afterheat of internal-combustion engine
CN1550735A (en) * 2003-05-09 2004-12-01 三洋电机株式会社 Single_dual efficiency absorption refrigerating machine
US20110314844A1 (en) * 2010-06-25 2011-12-29 Junjie Gu Method and apparatus for waste heat recovery and absorption gases used as working fluid therein
CN102478322A (en) * 2010-11-23 2012-05-30 大连创达技术交易市场有限公司 Environment-friendly refrigeration air-conditioning device capable of comprehensively utilizing solar energy and waste heat of automobile engine
CN202254475U (en) * 2011-07-14 2012-05-30 清华大学 Absorption type chemical energy storage device including crystallization
CN102889752A (en) * 2012-09-24 2013-01-23 瑞诺威（北京）工程技术有限公司 Methane-rich gas liquefying device provided with ammonia absorption type refrigerator for precooling and methane-rich gas liquefying technology
CN203190710U (en) * 2013-01-31 2013-09-11 陕西东泰能源科技有限公司 Multi-heat-source absorption type refrigeration device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104456766A (en) * 2014-11-14 2015-03-25 娲石水泥集团武汉万世科技有限公司 Multi-mode intelligent environment-friendly air conditioning complete-set product
CN108489143A (en) * 2018-05-09 2018-09-04 安徽沃特普尔节能科技有限公司 A kind of novel energy-conserving system in library of being freezed using industrial exhaust heat

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