CN108489143A - A kind of novel energy-conserving system in library of being freezed using industrial exhaust heat - Google Patents
A kind of novel energy-conserving system in library of being freezed using industrial exhaust heat Download PDFInfo
- Publication number
- CN108489143A CN108489143A CN201810438686.0A CN201810438686A CN108489143A CN 108489143 A CN108489143 A CN 108489143A CN 201810438686 A CN201810438686 A CN 201810438686A CN 108489143 A CN108489143 A CN 108489143A
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- China
- Prior art keywords
- working medium
- generator
- pipeline
- heat
- medium
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000006096 absorbing agent Substances 0.000 claims abstract description 16
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 15
- 239000002440 industrial waste Substances 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 5
- 239000003507 refrigerant Substances 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 claims 1
- 238000005057 refrigeration Methods 0.000 abstract description 12
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 230000005611 electricity Effects 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 238000007710 freezing Methods 0.000 abstract description 3
- 230000008014 freezing Effects 0.000 abstract description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 8
- 229910021529 ammonia Inorganic materials 0.000 description 4
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- AMXOYNBUYSYVKV-UHFFFAOYSA-M lithium bromide Chemical compound [Li+].[Br-] AMXOYNBUYSYVKV-UHFFFAOYSA-M 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 229940059936 lithium bromide Drugs 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 230000001476 alcoholic effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B27/00—Machines, plants or systems, using particular sources of energy
- F25B27/02—Machines, plants or systems, using particular sources of energy using waste heat, e.g. from internal-combustion engines
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Sorption Type Refrigeration Machines (AREA)
Abstract
The present invention provides a kind of novel energy-conserving system in library of freezing using industrial exhaust heat, including：Generator, described generator one end is connected with industrial exhaust heat medium and enters pipe, industrial exhaust heat medium discharge duct, the generator upper end is connected to condenser by pipeline, condenser lower end is connected to evaporator by pipeline, described evaporator one end is connected with refrigerating medium and enters pipe, refrigerating medium discharge pipe, the generator lower end is connected to GAX heat exchangers by pipeline, and one end is connected to generator by pipeline on the upside of the GAX heat exchangers.The other end is connected to absorber by pipeline on the upside of the GAX heat exchangers.Present system is simple in structure, manufacture difficulty of processing it is small it is at low cost, operation is easy to maintenance, refrigeration work consumption is big, and refrigerating capacity is big；Meanwhile cryogenic temperature is low, for lowest refrigerating temperature up to 25 DEG C, energy-saving effect is apparent, and about 90 DEG C or more of industrial heat resources may be used for freezer refrigerating, 90% or more high equivalent weight thermodynamic coefficient economize on electricity；Meanwhile cryogenic temperature is low, lowest refrigerating temperature is up to 25 DEG C.
Description
Technical field
The present invention relates to industrial exhaust heats to be used in cold store energy saving technical field, specially a kind of to utilize industrial exhaust heat refrigeration library
Novel energy-conserving system.
Background technology
There are a large amount of low grade residual heats to be discharged in industrial processes, and low grade residual heat includes in same units
Energy is very low, big using difficulty.But from the point of view of the pattern of using energy source, low grade residual heat by as production capacity and with can crucial ring
Section, plays an important role to the strategy of energy-saving and emission-reduction.
Industrial refrigeration is compression refrigeration and absorbed refrigeration using more, and compression refrigeration advantage is high cooling efficiency, hence it is evident that
Disadvantage is exactly power consumption；It absorbs refrigeration and mostly uses lithium bromide absorbing type refrigeration, unit advantage：Using thermal energy as power, power consumption is few.
Disadvantage：Service life is shorter than compression；It economizes on electricity not energy-efficient, steam consumption is big, and the thermal efficiency is low；Unit is run under vacuum for a long time, outside
Gas is easy intrusion, if air invades, causes cooling metering, therefore requires stringent sealing, increases manufacture and operation difficulty；Unit heat extraction
Duty ratio compression refrigeration is big, more demanding to cooling water quality；Lithium-bromide solution has strong corrosivity to carbon steel, influences machine
Group service life and performance；Cryogenic temperature only limits zero degree or more；Ammonia absorption refrigeration, cryogenic temperature can be less than zero degree, but water is not achieved
Completely isolated from ammonia, distillation process increases cost of investment and operation difficulty, reduces heat utilization rate, improves energy
Consumption.
Invention content
Technical problem solved by the invention is to provide a kind of novel energy-conserving system in library of freezing using industrial exhaust heat, with
Solve the problems mentioned above in the background art.
Technical problem solved by the invention is realized using following technical scheme：It is a kind of to be freezed library using industrial exhaust heat
Novel energy-conserving system, including：Generator, described generator one end are connected with industrial exhaust heat medium and enter pipe, industrial exhaust heat medium
Discharge pipe, the generator upper end are connected to condenser by pipeline, and condenser lower end is connected to evaporator by pipeline, described
Evaporator one end is connected with refrigerating medium and enters pipe, refrigerating medium discharge pipe, and the generator lower end is connected to GAX by pipeline and exchanges heat
Device, GAX heat exchangers upside one end are connected to generator by pipeline, and refrigerating medium is sent in freezer by refrigerating medium discharge pipe
Refrigeration；Industrial waste heat enters pipe by industrial exhaust heat medium and enters generator, and generator internal working medium absorbs thermal energy and completes parsing,
The used industrial waste heat of profit, which becomes to be condensed into water, returns to industrial waste heat system；Meanwhile refrigerating medium ethylene glycol is entered by refrigerating medium
Pipe enters evaporator, and it is Celsius to be cooled to -25 by refrigerant evaporation endothermic process inside evaporator for refrigerating medium ethylene glycol solution
Cold input freezer is preserved and is used by degree.
Further, the other end is connected to absorber by pipeline on the upside of the GAX heat exchangers, and absorber lower end passes through pipe
Road is connected to GAX heat exchangers lower end.
Further, the pipeline between the GAX heat exchangers and absorber is equipped with working medium pump；Working medium rich solution is from absorber
Entering GAX heat exchangers after out boosting by working medium pump, working medium lean solution carries out heat exchange with working medium rich solution in GAX heat exchangers,
Working medium rich solution is heated through industrial waste heat in generator completes parsing, and the higher working medium lean solution of temperature after generator parsing enters
GAX heat exchangers, in GAX heat exchangers, the higher working medium of temperature is poor to carry out heat exchange with the lower working medium rich solution of temperature：Working medium is poor
Enter absorber after liquid cooling, working medium rich solution enters generator after working medium lean solution heat temperature raising.Working medium lean solution is in low-pressure state
Lower completion absorption becomes working medium rich solution, to complete working medium solution cycle.
Compared with prior art, the beneficial effects of the invention are as follows：Rectification working process that the present invention is separated from water without ammonia, in addition to
For one working medium pump without drive apparatus, energy-saving effect is apparent, and about 90 DEG C or more of industrial heat resources may be used for freezer refrigerating, and height is worked as
90% or more calorimetric force coefficient economize on electricity.System structure is simple, manufacture difficulty of processing it is small it is at low cost, operation is easy to maintenance, freeze work(
Rate is big, and refrigerating capacity is big；Meanwhile cryogenic temperature is low, reachable -25 DEG C of lowest refrigerating temperature.
Description of the drawings
Fig. 1 is the structural diagram of the present invention.
Specific implementation mode
In order to make implement technical means, creation characteristic, reached purpose and effect of the present invention be easy to understand, tie below
Conjunction is specifically illustrating, and the present invention is further explained, in the description of the present invention, it should be noted that unless otherwise specific regulation
And restriction, term " installation ", " company ", " connection " shall be understood in a broad sense, and can also be detachable for example, it may be being fixedly connected
Connection, or be integrally connected to be mechanical connection, can also be electrical connection；It can be directly connected, intermediate matchmaker can also be passed through
Jie is indirectly connected, connection that can be inside two elements.
As shown in Figure 1, a kind of novel energy-conserving system in library of being freezed using industrial exhaust heat, including：Generator 1, the generation
1 one end of device is connected with industrial exhaust heat medium and enters pipe 10, industrial exhaust heat medium discharge duct 9, and 1 upper end of the generator passes through pipeline
Be connected to condenser 8,8 lower end of condenser is connected to evaporator 7 by pipeline, 7 one end of the evaporator be connected with refrigerating medium into
Enter pipe 5, refrigerating medium discharge pipe 6,1 lower end of the generator is connected to GAX heat exchangers 2 by pipeline, on the GAX heat exchangers 2
Side one end is connected to generator 1 by pipeline, and refrigerating medium is sent in freezer 11 by refrigerating medium discharge pipe 6 to freeze.
Specifically, the 2 upside other end of the GAX heat exchangers is connected to absorber 4 by pipeline, 4 lower end of absorber passes through
Pipeline is connected to 2 lower end of GAX heat exchangers.
Specifically, the pipeline between the GAX heat exchangers 2 and absorber 4 is equipped with working medium pump 3.
90 DEG C or more of industrial exhaust heat enters pipe 10 by industrial exhaust heat medium and enters generator in the present invention, in generator
Portion's working medium absorbs thermal energy and completes parsing, and the used industrial exhaust heat of profit becomes condensed water and returns to industrial waste heat system；Meanwhile refrigerating medium
Ethylene glycol enters pipe 5 by refrigerating medium and enters evaporator, refrigerant evaporation endothermic process inside evaporator, by refrigerating medium second two
Alcoholic solution is cooled to -- and 25 degree, cold band people's freezer is preserved and used.
Working medium solution recycles：Working medium rich solution enters GAX heat exchangers 2 after out boosting from absorber 4 by working medium pump 3,
Working medium lean solution carries out heat exchange with working medium rich solution in GAX heat exchangers 2, and working medium rich solution is through 90 DEG C or more of industry in generator 1
Waste heat completes parsing, and the higher working medium lean solution of temperature after generator parsing enters GAX heat exchangers, in GAX heat exchangers,
The higher working medium of temperature is poor to carry out heat exchange with the lower working medium rich solution of temperature：Enter absorber, working medium after the cooling of working medium lean solution
Rich solution enters generator after working medium lean solution heat temperature raising.Working medium lean solution, which is completed to absorb in a low voltage state, becomes working medium rich solution,
To complete working medium solution cycle.
The configuration of the present invention is simple, without the rectification working process that ammonia is separated from water, system structure is simple, manufacture difficulty of processing it is small at
This is low, operation is easy to maintenance, and refrigeration work consumption is big, and refrigerating capacity is big；Meanwhile cryogenic temperature is low, reachable -25 DEG C of lowest refrigerating temperature,
About 90 DEG C or more of industrial heat resources may be used for freezer refrigerating, 90% or more high equivalent weight thermodynamic coefficient economize on electricity；Meanwhile temperature of freezing
Spend low, reachable -25 DEG C of lowest refrigerating temperature；In addition, dynamic equipment is few, operate steadily, noise is small；Working medium solution can recycle profit
With operating cost is low；Without other dynamic equipment in addition to working medium pump, few easy workout part, maintaining is simple, and maintenance cost is low, noise is small.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed range of the present invention by appended claims and
Its equivalent thereof.
Claims (3)
1. a kind of novel energy-conserving system in library of being freezed using industrial exhaust heat, including：Generator, it is characterised in that：The generator
One end is connected with industrial exhaust heat medium and enters pipe, industrial exhaust heat medium discharge duct, and the generator upper end is connected to by pipeline
Condenser, condenser lower end are connected to evaporator by pipeline, and described evaporator one end is connected with refrigerating medium and enters pipe, refrigerating medium
Discharge pipe, the generator lower end are connected to GAX heat exchangers by pipeline, and one end is connected by pipeline on the upside of the GAX heat exchangers
It is connected to generator, refrigerating medium is sent in freezer by refrigerating medium discharge pipe to freeze；Industrial waste heat is entered by industrial exhaust heat medium
Pipe enters generator, and generator internal working medium absorbs thermal energy and completes parsing, and the used industrial waste heat of profit, which becomes to be condensed into water, to be returned to
Industrial waste heat system；Meanwhile refrigerating medium ethylene glycol enters pipe by refrigerating medium and enters evaporator, refrigerant steams inside evaporator
Endothermic process is sent out, refrigerating medium ethylene glycol solution is cooled to -25 degrees Celsius, cold band people's freezer is preserved and used.
2. a kind of novel energy-conserving system in library of being freezed using industrial exhaust heat according to claim 1, it is characterised in that：It is described
The other end is connected to absorber by pipeline on the upside of GAX heat exchangers, and absorber lower end is connected to by pipeline under GAX heat exchangers
End.
3. a kind of novel energy-conserving system in library of being freezed using industrial exhaust heat according to claim 2, it is characterised in that：It is described
Pipeline between GAX heat exchangers and absorber is equipped with working medium pump；Working medium rich solution is after absorber is out boosted by working medium pump
Into GAX heat exchangers, working medium lean solution carries out heat exchange with working medium rich solution in GAX heat exchangers, and working medium rich solution passes through in generator
Parsing is completed in industrial waste heat heating, and the higher working medium lean solution of temperature after generator parsing enters GAX heat exchangers, exchanges heat in GAX
In device, the higher working medium of temperature is poor to carry out heat exchange with the lower working medium rich solution of temperature：Enter absorber after the cooling of working medium lean solution,
Working medium rich solution enters generator after working medium lean solution heat temperature raising；Working medium lean solution, which is completed to absorb in a low voltage state, becomes working medium richness
Liquid, to complete working medium solution cycle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810438686.0A CN108489143A (en) | 2018-05-09 | 2018-05-09 | A kind of novel energy-conserving system in library of being freezed using industrial exhaust heat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810438686.0A CN108489143A (en) | 2018-05-09 | 2018-05-09 | A kind of novel energy-conserving system in library of being freezed using industrial exhaust heat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108489143A true CN108489143A (en) | 2018-09-04 |
Family
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810438686.0A Pending CN108489143A (en) | 2018-05-09 | 2018-05-09 | A kind of novel energy-conserving system in library of being freezed using industrial exhaust heat |
Country Status (1)
| Country | Link |
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| CN (1) | CN108489143A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109297255A (en) * | 2018-10-16 | 2019-02-01 | 安徽沃特普尔节能科技有限公司 | A kind of energy-saving gas ammonia compression process |
| CN109442795A (en) * | 2018-11-09 | 2019-03-08 | 安徽沃特普尔节能科技有限公司 | A kind of biomass direct-fired formula non-electrical refrigeration library |
| CN113758053A (en) * | 2021-09-18 | 2021-12-07 | 普泛能源技术研究院(北京)有限公司 | Novel absorber and absorption type refrigerating system thereof |
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| CN101059291A (en) * | 2007-05-25 | 2007-10-24 | 东南大学 | Ammonia absorption and compression combined refrigeration and circulation system and refrigeration circulation method |
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2018
- 2018-05-09 CN CN201810438686.0A patent/CN108489143A/en active Pending
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|---|---|---|---|---|
| CN101059291A (en) * | 2007-05-25 | 2007-10-24 | 东南大学 | Ammonia absorption and compression combined refrigeration and circulation system and refrigeration circulation method |
| US20100282436A1 (en) * | 2008-01-22 | 2010-11-11 | Beijing Lianliyuan Technology Co., Ltd. | Absorptive heat pump systems and heating method |
| CN101571331A (en) * | 2009-05-25 | 2009-11-04 | 陕西理工学院 | Solar phase-change heat storage absorption refrigeration fresh-keeping system |
| CN103322724A (en) * | 2012-03-19 | 2013-09-25 | 北京科技大学 | Heat pump circulating system, drying system, and respective method |
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Non-Patent Citations (1)
| Title |
|---|
| 王承阳, 冶金工业出版社 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109297255A (en) * | 2018-10-16 | 2019-02-01 | 安徽沃特普尔节能科技有限公司 | A kind of energy-saving gas ammonia compression process |
| CN109442795A (en) * | 2018-11-09 | 2019-03-08 | 安徽沃特普尔节能科技有限公司 | A kind of biomass direct-fired formula non-electrical refrigeration library |
| CN113758053A (en) * | 2021-09-18 | 2021-12-07 | 普泛能源技术研究院(北京)有限公司 | Novel absorber and absorption type refrigerating system thereof |
| CN113758053B (en) * | 2021-09-18 | 2022-08-02 | 普泛能源技术研究院(北京)有限公司 | Novel absorber and absorption type refrigerating system thereof |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180904 |
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