CN106196716A - Novel low-temperature waste heat absorption chiller - Google Patents
Novel low-temperature waste heat absorption chiller Download PDFInfo
- Publication number
- CN106196716A CN106196716A CN201610328277.6A CN201610328277A CN106196716A CN 106196716 A CN106196716 A CN 106196716A CN 201610328277 A CN201610328277 A CN 201610328277A CN 106196716 A CN106196716 A CN 106196716A
- Authority
- CN
- China
- Prior art keywords
- heat
- absorption chiller
- heat pump
- generator
- temperature
- 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.)
- Pending
Links
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
-
- 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
- F25B35/00—Boiler-absorbers, i.e. boilers usable for absorption or adsorption
-
- 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
- F25B39/00—Evaporators; Condensers
- F25B39/04—Condensers
-
- 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
- F25B2500/00—Problems to be solved
- F25B2500/05—Cost reduction
-
- 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
- F25B2500/00—Problems to be solved
- F25B2500/11—Reducing heat transfers
-
- 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 present invention discloses a kind of novel low-temperature waste heat absorption chiller, including: heat pump, absorption chiller, it is characterized in: low-temperature waste heat is converted into the heat of high temperature being available for using during absorption chiller work by heat pump, traditional heat energy converting system is not had between heat pump and absorption chiller, heat is directly supplied to absorption chiller by heat pump by heat transferring element, and the heater block of the generator of heat absorption type refrigerator is directly substituted by the condenser of heat pump.Present invention reduces the lowest threshold of available temperature of waste heat, improve the utilization rate of used heat, owing to this system not having between heat pump and refrigerator traditional heat energy converting system, heat energy does not has thermal loss during transmitting from heat pump to absorption chiller, the heat utilization rate of whole system is significantly improved, and is greatly improved the efficiency of system.
Description
Technical field
The present invention relates to a kind of heat-exchanger rig, particularly to a kind of novel low-temperature waste heat absorption chiller, belong to energy recovery and utilize technical field.
Background technology
Data statistics shows, heat produced by Fossil fuel at least 50% all becomes used heat in the world, and wherein great majority are all the heat (low-grade of low temperature
Heat) (< 90 DEG C).Presently, there are the used heat of substantial amounts of low temperature, and the utilization rate of this partial heat is the lowest.Additionally, due to these heats can cause environmental pollution, have become as an increasingly severeer environmental problem.Meanwhile, also need to use refrigeration plant in occasions as a lot of in data processing centre, cinema, commercial production etc. and carry out the cooling of equipment.Therefore, how to utilize this part used heat to freeze, become a problem merited attention.
In order to utilize this part used heat, being carried out the heat exchange purpose with realization refrigeration, the equipment much utilizing heat pump and absorption refrigeration to combine is proposed in succession.Its heat supply temperature of high temperature heat pump owing to selling in the market can reach 95 DEG C the highest, and the operating temperature of absorption chiller is it is generally required to more than 85 DEG C, therefore, the heat using these high temperature heat pumps to provide is feasible to drive absorption chiller.
Owing to needing the 3rd extra complete equipment to carry out heat exchange and transmission between traditional heat pump and absorption refrigerating equipment, there is a lot of problem in it:
1) during heat exchanges, heat energy loss is serious；
2) equipment operating itself can consumption of calorie and the energy；
3) the extra heat transfer pipe increased can cause thermal loss.
Therefore, the utilization rate of whole exhaust heat refrigerating system heat energy is the highest, and the manufacturing cost setting whole system can be caused to increase.Additionally, due to legacy equipment principle and the defect of structure, the threshold value of available temperature of waste heat is higher, and the utilization rate of used heat is the highest.
Summary of the invention
The purpose of the present invention is that and solves the problems referred to above that prior art exists, a kind of novel low-temperature waste heat absorption chiller is provided, this novel low-temperature waste heat absorption chiller that the present invention is given is the 3rd complete equipment removed and be currently used for heat exchange, directly being connected with absorption chiller by heat pump, the heat of high temperature that heat pump produces directly feeds absorption chiller.The present invention is by removing the heat energy conversion transfer system between heat pump and absorption system; eliminate the transmission thermal loss between heat pump and absorption chiller; also eliminate the additional energy of heat energy conversion equipment simultaneously; thus improve the whole heat utilization ratio utilizing exhaust heat refrigerating system, reach energy-saving and emission-reduction and the purpose of protection environment.Additionally, present invention reduces the lowest threshold of available temperature of waste heat, substantially increase the utilization rate of used heat.
The technical solution adopted in the present invention is as follows.
A kind of novel low-temperature waste heat absorption chiller, include heat pump 3 and absorption chiller 1, it is characterized in that: described heat pump 3, low-temperature waste heat is converted into and is available for the heat of high temperature that absorption chiller 1 utilizes, the generator 6(generator or desorber of absorption chiller 1) heating part directly substituted by the condenser tubes 7 of heat pump 3, heat when absorption chiller 1 works is provided by heat pump 3, do not have traditional heat energy converting system, heat pump 3 that heat is directly supplied to absorption chiller 1 between heat pump 3 and absorption chiller 1.
Low-temperature waste heat is converted to the heat of high temperature by heat and passes to absorption chiller 1 for it by heat transferring element 2 by described heat pump 3.
Described heat transferring element 2 is heat pump 3 and the total part of absorption chiller 1, and heat pump 3 and absorption chiller 1 are directly linked together, thus eliminate other heat conversion equipments by heat transferring element 2.
Described heat transferring element 2 is equivalent to its condenser units for heat pump 3, is equivalent to its heater block for absorption chiller 1.
The temperature that described heat pump 3 is utilized can be less than the low temperature of 80 DEG C.
Described heat transferring element 2 is by the generator 6 of absorption chiller 1, the condenser tubes 7 of heat pump 3 forms, wherein the condenser tubes 7 of heat pump 3 is directly embedded in the generator 6 of absorption chiller 1, the liquid that in heat pump 3, temperature is higher is flowed in cool condenser pipeline by the entrance 9 of condenser tubes, and the liquid that in the generator 6 of absorption chiller 1, temperature is relatively low is flowed in generator 6 by the entrance 5 of generator 6；By the heat exchange of the two, in condenser tubes 7, temperature of liquid reduces, and 8 back flows back into heat pump by outlet, and meanwhile, in generator, the liquid of 6 is heated, and flows out through the outlet 4 of generator.
Compared with prior art, beneficial effects of the present invention is.
The absorption chiller system of the present invention is used for freezing；In absorption chiller, the thermal source of generator is heat pump condenser；Traditional heat energy converting system is not had between heat pump and absorption chiller.Its advantage mainly shows as follows.
1. during heat energy transmits, being completely absent the thermal loss caused by heat energy converting system, the heat utilization rate of whole system is significantly improved, and reaches the purpose of energy-saving and emission-reduction and environmental conservation.
2. completely eliminate the energy consumption shortcoming high, inefficient of traditional used heat absorption chiller.
3. heat pump techniques used in invention and sorption type refrigerating technology are mature technology.
4. improve the utilization rate (reducing the lowest threshold of available temperature of waste heat) of used heat.
Accompanying drawing explanation
Accompanying drawing 1 is the primary structure schematic diagram of the present invention.
In accompanying drawing 1, each sequence number is respectively as follows: 1. absorption chiller；2. heat transferring element；3. heat pump, the 4. outlet of generator, the 5. entrance of generator, the 6. generator of absorption chiller, the 7. condenser tubes of heat pump 3, the 8. outlet of condenser tubes, the 9. entrance of condenser tubes.
Accompanying drawing 2 enumerates a kind of situation in be suitable for various used heat absorption chiller by the present invention.(explanation: the present invention is suitable for the used heat absorption chiller of the type but is not limited to the used heat absorption chiller of this type).
In accompanying drawing 2, each sequence number is respectively as follows: 3. heat pumps, the 6. generator of absorption chiller, 10. low-temperature waste heat, the condenser of 11. absorption chiller, the vaporizer of 12. absorption chiller, 13. heat exchanging pipes, the absorber of 14 absorption chiller, 15. cooling water pipelines.
Detailed description of the invention
Illustrating in greater detail the present invention below in conjunction with description figure and embodiment, table 1 is the typical heat pump working condition table that existing market is on sale, and wherein the temperature of all kinds source heat pump heat is all between 30 DEG C to 55 DEG C.
Table 1 is the typical heat pump working condition that existing market is on sale.
| Liquid | Composition | Critical temperature (DEG C) | Critical pressure (bars) |
| ECO3TM | - | - | - |
| R1234ze | C3H2F4 | 109 | 36.4 |
| R245fa | C3H3F5 | 154.1 | 36.5 |
| R365mfc | C4H5F5 | 186.9 | 32.7 |
| R236fa | C3H2F6 | 124.9 | 32 |
| R717 | NH3 | 129.2 | 113.33 |
5. as shown in Fig. 1～Fig. 2, this novel low-temperature waste heat absorption chiller, including heat pump 3 and absorption chiller 1, low-temperature waste heat is converted into and is available for the heat of high temperature that absorption chiller 1 utilizes by heat pump 3, and passes to absorption chiller 1 for it by heat transferring element 2.The heater block (generator or desorber) of the generator of absorption chiller 1 is directly substituted by the condenser tubes 7 of heat pump 3, do not have traditional heat energy converting system, heat pump 3 that heat is directly supplied to absorption chiller 1 between heat pump 3 and absorption chiller 1.
6. the heat transferring element 2 described in is heat pump 3 and the total part of absorption chiller 1, and heat pump 3 and absorption chiller 1 are directly linked together, thus eliminate other heat conversion equipments by heat transferring element 2.Heat transferring element 2 is equivalent to its condenser units for heat pump 3, is equivalent to its heater block for absorption chiller 1.The temperature that heat pump 3 is utilized can be less than the low temperature of 80 DEG C.
Described heat transferring element 2 is made up of the condenser tubes 7 of the generator 6 of absorption chiller 1, heat pump 3, wherein the condenser tubes 7 of heat pump 3 is directly embedded in the generator 6 of absorption chiller 1, the liquid that in heat pump 3, temperature is higher is flowed in cool condenser pipeline by the entrance 9 of condenser tubes, and the liquid that in the generator 6 of absorption chiller 1, temperature is relatively low is flowed in the generator 6 of absorption chiller 1 by the entrance 5 of the generator 6 of absorption chiller 1；By the heat exchange of the two, in condenser tubes 7, temperature of liquid reduces, and back flows back into heat pump by the outlet 8 of condenser tubes, and meanwhile, in generator, the liquid of 6 is heated, and flows out through the outlet 4 of generator.
Its detailed description of the invention is as follows: low-temperature waste heat 10 is converted into the heat energy of high temperature by heat pump 3, and is transferred heat to by the condenser tubes 7 in heat pump in the generator 6 of absorption chiller for heating solution therein (one of form of heat conversion equipment that the modular construction used during heat transmission is in Fig. 1)；Solution after heating, is flowed out by the outlet 4 of the generator of absorption chiller, and water therein evaporates in a large number, and the solution of high concentration enters in the absorber 14 of absorption chiller by pipeline, and steam enters in the condenser 11 of absorption chiller；By carrying out heat exchange with cooling pipe 15, the solution temperature of absorber 14 middle and high concentration of absorption chiller is minimized, the steam coagulation Cheng Shui in the condenser 11 of absorption chiller；Water after condensation enters the vaporizer 12 of absorption chiller by pipeline, and water again evaporates and becomes steam；Water absorbs substantial amounts of heat during evaporation, so that temperature reduces in the vaporizer 12 of absorption chiller, is realized the purpose of heat exchange by heat exchanging pipe 13, thus freezes；Steam in the vaporizer 12 of absorption chiller can enter in the absorber 14 of absorption chiller, absorbed by the solution of high concentration therein, then the solution of high concentration becomes the solution of low concentration, and returned to from the entrance 5 of the generator 6 of absorption chiller by pipeline in the generator 6 of absorption chiller, thus complete heat exchange.
Claims (5)
1. a novel low-temperature waste heat absorption chiller, include heat pump (3) and absorption chiller (1), it is characterized in that: low-temperature waste heat is converted into and is available for the heat of high temperature that absorption chiller (1) utilizes by described heat pump (3), heating part in the generator (generator or desorber) of absorption chiller (1) is directly substituted by the condenser tubes (7) of heat pump (3), heat during absorption chiller (1) work is provided by heat pump (3), traditional heat energy converting system it is not provided with between heat pump (3) and absorption chiller (1), heat is directly supplied to absorption chiller (1) by heat pump (3).
Novel low-temperature waste heat absorption chiller the most according to claim 1, it is characterised in that low-temperature waste heat is converted to the heat of high temperature by heat and passes to absorption chiller (1) for it by heat transferring element (2) by described heat pump (3).
Novel low-temperature waste heat absorption chiller the most according to claim 1, it is characterized in that described heat transferring element (2) is the total part of heat pump (3) and absorption chiller (1), heat transferring element (2) is equivalent to its condenser units for heat pump (3), its generator (needing to absorb heat) is equivalent to from condenser tubes for absorption chiller (1), heat pump (3) and absorption chiller (1) are directly linked together by heat transferring element (2), thus eliminate other heat conversion equipments.
Novel low-temperature waste heat absorption chiller the most according to claim 1, it is characterised in that the low-temperature waste heat that described heat pump 3 is utilized is the low temperature less than 80 DEG C.
nullNovel low-temperature waste heat absorption chiller the most according to claim 1，It is characterized in that described heat transferring element (2) is by the generator (6) of absorption chiller (1)，Condenser tubes (7) composition of heat pump (3)，Wherein the condenser tubes (7) of heat pump (3) is directly embedded in the generator (6) of absorption chiller (1)，The liquid that in heat pump (3), temperature is higher is flowed in cool condenser pipeline by the entrance (9) of condenser tubes，The liquid that in the generator (6) of absorption chiller (1), temperature is relatively low is flowed in generator (6) by the entrance (5) of generator (6)，By the heat exchange of the two，In condenser tubes (7), temperature of liquid reduces，And back flow back into heat pump (3) by the outlet (8) of condenser tubes，Meanwhile，In generator, the liquid of (6) is heated，And through outlet (4) outflow of generator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610328277.6A CN106196716A (en) | 2016-05-18 | 2016-05-18 | Novel low-temperature waste heat absorption chiller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610328277.6A CN106196716A (en) | 2016-05-18 | 2016-05-18 | Novel low-temperature waste heat absorption chiller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106196716A true CN106196716A (en) | 2016-12-07 |
Family
ID=57453333
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610328277.6A Pending CN106196716A (en) | 2016-05-18 | 2016-05-18 | Novel low-temperature waste heat absorption chiller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106196716A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2569050Y (en) * | 2002-06-25 | 2003-08-27 | 姜兴周 | Solar heat pump cooling/heating system |
| CN201463399U (en) * | 2009-04-17 | 2010-05-12 | 上海理工大学 | Heat pump absorption type refrigeration system for refrigerator |
| CN202770047U (en) * | 2012-08-10 | 2013-03-06 | 苟仲武 | Low-temperature heat source efficient absorption refrigerator |
| CN105222399A (en) * | 2015-09-30 | 2016-01-06 | 河南科技大学 | The refrigerating and heating systems that a kind of solar energy is auxiliary |
-
2016
- 2016-05-18 CN CN201610328277.6A patent/CN106196716A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2569050Y (en) * | 2002-06-25 | 2003-08-27 | 姜兴周 | Solar heat pump cooling/heating system |
| CN201463399U (en) * | 2009-04-17 | 2010-05-12 | 上海理工大学 | Heat pump absorption type refrigeration system for refrigerator |
| CN202770047U (en) * | 2012-08-10 | 2013-03-06 | 苟仲武 | Low-temperature heat source efficient absorption refrigerator |
| CN105222399A (en) * | 2015-09-30 | 2016-01-06 | 河南科技大学 | The refrigerating and heating systems that a kind of solar energy is auxiliary |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203190489U (en) | Efficient lithium bromide absorption heat pump heat exchanger unit | |
| CN202521938U (en) | Heat pump system and drying system | |
| CN109612158B (en) | Lithium bromide absorption and compression combined type high-temperature heat pump system and working method | |
| CN104566597A (en) | Heat pump unit | |
| CN102997482A (en) | Direct-fired lithium bromide absorption cold-hot water unit for recovering flue gas waste heat under heating working condition | |
| CN103528113A (en) | Energy saving system for recycling heat pump waste heat for resident heating and method thereof | |
| CN203011002U (en) | Direct-fired lithium bromide absorption type heating and refrigerating unit with smoke valve and used for recovering smoke waste heat | |
| CN202470543U (en) | Warming type absorption heat pump with middle-temperature heat source in series | |
| CN106440469B (en) | Combined heat and power system | |
| CN202938548U (en) | Central air-conditioning cold/hot water system for industrial waste heat recycling | |
| CN203010995U (en) | Direct-fired lithium bromide absorption type cold and hot water unit for recovering flue gas waste heat | |
| CN202452758U (en) | System for improving cooling efficiency of power plant through waste heat recovery | |
| CN103256750A (en) | Absorption heat pump unit | |
| CN202221254U (en) | Workshop middle-low-temperature steam waste heat step recovery device | |
| CN101619907B (en) | High-efficiency vapor double effect lithium bromide absorption type refrigerating unit | |
| CN203837330U (en) | CO2 heat pump heat exchange enthalpy increase device | |
| CN201218626Y (en) | Medium-temperature solar energy-driving and cold-hot bidirectional-utilizing third-kind absorption heat pump | |
| CN202253581U (en) | Energy-saving softened water heating device for thermal power plant | |
| CN102997496B (en) | Direct-fired lithium bromide absorption cold-hot water unit provided with flue gas valves and used for recovering flue gas waste heat | |
| CN206094279U (en) | Slaughterhouse is with multistage full heat recovery hot water system of refrigerating unit | |
| CN205316748U (en) | Compound heat pump hydrothermal coproduction device | |
| CN203375765U (en) | Absorption heat pump unit | |
| CN205174926U (en) | Air source gas heat pump set | |
| CN103822395A (en) | Direct-fired lithium bromide absorbing typed cold and hot water unit for producing high temperature hot water | |
| CN202835901U (en) | Lithium bromide absorption type first kind heat pump unit usable in winter and summer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161207 |