CN105910325A - Condensation heat drive injection type undercooling method and refrigeration device using same - Google Patents
Condensation heat drive injection type undercooling method and refrigeration device using same Download PDFInfo
- Publication number
- CN105910325A CN105910325A CN201610239828.1A CN201610239828A CN105910325A CN 105910325 A CN105910325 A CN 105910325A CN 201610239828 A CN201610239828 A CN 201610239828A CN 105910325 A CN105910325 A CN 105910325A
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- Prior art keywords
- condensation heat
- vaporized
- cooler
- type
- injecting type
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- 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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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
- F25B17/00—Sorption machines, plants or systems, operating intermittently, e.g. absorption or adsorption type
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- 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
- F25B1/00—Compression machines, plants or systems with non-reversible cycle
-
- 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
- F25B39/02—Evaporators
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- 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
- F25B40/00—Subcoolers, desuperheaters or superheaters
-
- 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
- F25B2341/00—Details of ejectors not being used as compression device; Details of flow restrictors or expansion valves
- F25B2341/001—Ejectors not being used as compression device
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Thermotherapy And Cooling Therapy Devices (AREA)
Abstract
The invention discloses a condensation heat drive injection type undercooling method and refrigeration device using same; the refrigeration device comprises a steam compression cooling circulation system and an injection type cooling circulation system; the steam compression cooling circulation system comprises an evaporator, a compressor, a condensation heat recoverer, an air-cooled condenser, a blower, an evaporation subcooler and a throttle valve; the injection type cooling circulation system comprises a condensation heat recoverer, an evaporation subcooler, a jet pipe, a condenser, a pump and a throttle valve; the jet pipe comprises a nozzle, a suction room, and a diffuser. The method uses condensation heat as the heat source of a generator in injection type refrigeration cycle, and rises the evaporation temperature in the injection type refrigeration cycle, wherein the generated high temperature cooling capacity is used for undercooling the liquid refrigerant after the condenser of a conventional steam compression-type refrigerating system, and thus solving disadvantages in the prior art.
Description
Technical field
The present invention relates to Refrigeration Technique, be specifically related to a kind of cooling method excessively utilizing condensation heat to drive injecting type and refrigeration dress thereof
Put.
Background technology
At present, condensation heat is mainly for the preparation of life, production technology hot water, and this Land use systems needs to meet hot-cool demand
Simultaneous requirement, its application has certain limitation.Secondly, condensation heat can be as some by the system of heat-driven
The driving heat source of SAPMAC method, such as Absorption Cooling System, spray type refrigerating circulation etc., but due to the restriction of condensation heat temperature,
When obtaining the cold met under the indoor environment temperature built requires, directly utilize condensation heat and drive absorption refrigeration or spray
Coefficient of refrigerating performance and the coefficient of heat efficency of penetrating formula refrigeration system are the lowest.
The spray type refrigerating technology utilizing low grade heat energy to drive reaches its maturity, and spray type refrigerating can make full use of 60～90 DEG C
Spent hot water, solar energy, the exhaust waste heat etc. of more than 150 DEG C as driving heat source, R11, R12, R123,
The multiple cold-producing medium such as R134a can be as its working medium.When occurrence temperature or the evaporating temperature raising of ejector refrigeration system,
The coefficient of refrigerating performance of its system will improve.
Conventional vapor-compression refrigeration system consumes substantial amounts of electric energy, and substantial amounts of condensation heat is not because having effective Application way
And be emitted in atmospheric environment.Therefore, raising refrigerating efficiency and energy utilization rate are had by the Appropriate application probing into condensation heat
Important meaning.
Summary of the invention
Goal of the invention: in order to overcome the deficiencies in the prior art, the present invention provides one to utilize condensation heat to drive injection
Cooling method and the refrigerating plant thereof excessively of formula, the thermal source of generator during condensation heat is circulated as spray type refrigerating, and improve spray
Penetrate the evaporating temperature in formula kind of refrigeration cycle, and the high temperature cold produced is used in conventional vapor-compression refrigeration system
Liquid refrigerant after condenser carries out supercool, solves the deficiencies in the prior art.
Technical scheme: for achieving the above object, the technical solution used in the present invention is: one utilizes condensation heat to drive injection
The refrigerating plant of formula, it is characterised in that include steam compression type SAPMAC method system and injecting type SAPMAC method system.
Further, described steam compression type SAPMAC method system includes vaporizer, compressor, condensation heat recoverer, air-cooled
Condenser, blower fan, vaporized cooler, choke valve；
In described steam compression type SAPMAC method system, vaporizer right-side outlet end is connected with compressor lower suction mouth；Compression
Machine upper end air vent is connected with input on the right side of condensation heat recoverer；Outfan and air-cooled condenser on the left of condensation heat recoverer
Right side input connects, and on the left of air-cooled condenser, outfan is connected with input on the right side of vaporized cooler；Vaporized cooler
Left side outfan is connected with input on the left of vaporizer by choke valve；
Further, the supercool blood circulation of described injecting type includes condensation heat recoverer, vaporized cooler, jet pipe, condensation
Device, pump and choke valve；Described jet pipe comprises nozzle, suction chamber and diffuser；
In the supercool blood circulation of described injecting type, on the right side of condensation heat recoverer, outfan is with the nozzle inlet in ejector even
Connect；Dilator outlet in ejector is connected with the right side input of condenser；On the left of condenser, input passes through choke valve
It is connected with input on the left of input on the left of vaporized cooler and condensation heat recoverer respectively with pump；The right side of vaporized cooler
Outfan is connected with the suction chamber entrance in ejector.
Further, steam compression type SAPMAC method system and injecting type SAPMAC method system include the condensing units equipment shared
With vaporized cooler.
A kind of cooling method excessively utilizing condensation heat to drive injecting type, it is characterised in that the method comprises the following steps:
Steam compression type refrigeration blood circulation requires the main system of cold as system output, and the cold-producing medium in this circulation passes through
Heat in vaporizer absorption refrigerating water and vaporize, become superheated refrigerant steam by compressor compresses, pass through condensation heat
Withdrawer transfers heat to injecting type and crosses in SAPMAC method, and the generating process crossing SAPMAC method for injecting type provides heat energy, hereafter
Refrigerant liquid condenses in air-cooled condenser further, and condensed refrigerant liquid flows in vaporized cooler, with spray
The formula of penetrating is crossed the cold-producing medium in SAPMAC method and is carried out heat exchange supercool, then in choke valve flows into vaporizer, completes kind of refrigeration cycle；
Cold-producing medium in spray type refrigerating blood circulation absorbs steam compression type refrigeration blood circulation in condensation heat recoverer
In condensation heat, become the nozzle that the steam of High Temperature High Pressure enters in ejector；The steam of described High Temperature High Pressure is at nozzle
Outlet build-up of pressure, the suction chamber that the refrigerant vapour produced in vaporized cooler is drawn in ejector；Described high temperature
These the two strands of steam of refrigerant vapour produced in the steam of high pressure and described vaporized cooler are mutually mixed, and form mixed vapour
After enter diffuser together, diffuser rises high pressure, mixed vapour after boosting enters in condenser, cold with outside
Source heat-shift, and it is condensed into liquid；Cold-producing medium is divided into two-way after going out condenser, and a road sends steaming back to through choke valve blood pressure lowering
Sending out and supplement the cold-producing medium evaporated in subcooler, another road utilizes pump boosting to send back in condensation heat recoverer, is again heated
Produce refrigerant vapour, thus form injecting type and cross SAPMAC method.
Beneficial effect: a kind of cooling method and the refrigerating plant thereof excessively that utilize condensation heat to drive injecting type that the present invention provides, tool
There is a following advantage:
1, utilize condensation heat to drive injecting type to cross SAPMAC method, and the high temperature cold utilizing injecting type to cross SAPMAC method generation is to steam
In the circulation of vapour compression, the liquid refrigerant after condenser is supercool, can realize refrigerating capacity and systematic function system in this refrigerating plant
Increasing substantially of number, has bigger energy-saving potential；
2, by improve injecting type cross SAPMAC method evaporating temperature (higher than steam compression type refrigeration circulation evaporating temperature,
Condensation temperature less than steam compression type refrigeration circulation), (i.e. steam compression type refrigeration follows can to improve its refrigerating capacity circulated
Cold excessively in ring) and heat utilization coefficient, thus improve the utilization ratio of condensation heat；
3, spray type refrigerating circulation is combined by this high performance refrigerating unit with conventional vapor-compression kind of refrigeration cycle, the fortune of increase
Dynamic component few (only one of which pump), reliable.Additionally, condensation heat be directly used in improve hybrid system refrigerating capacity and
Coefficient of performance, compared with preparing other purposes such as hot water, applies the most flexible.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention
Figure has vaporizer 1, compressor 2, condensation heat recoverer 3, air-cooled condenser 4, blower fan 5, vaporized cooler
6, first throttle valve 7, ejector 8, condenser 9, pump 10, second throttle 11, nozzle a, suction chamber b and expansion
Depressor c
Detailed description of the invention
Below in conjunction with the accompanying drawings the present invention is further described.
It is illustrated in figure 1 a kind of refrigerating plant utilizing condensation heat to drive injecting type, it is characterised in that include both vapor compression
Formula SAPMAC method system and injecting type SAPMAC method system.
Described steam compression type SAPMAC method system includes vaporizer 1, compressor 2, condensation heat recoverer 3, air-cooled condenser
4, blower fan 5, vaporized cooler 6, choke valve 7；
In described steam compression type SAPMAC method system, vaporizer 1 right-side outlet end is connected with compressor 2 lower suction mouth；
Compressor 2 upper end air vent is connected with input on the right side of condensation heat recoverer 3；On the left of condensation heat recoverer 3 outfan with
On the right side of air-cooled condenser 4, input connects, and on the left of air-cooled condenser, outfan is connected with input on the right side of vaporized cooler 6；
The left side outfan of vaporized cooler 6 is connected with input on the left of vaporizer 1 by choke valve 7；
Steam compression type refrigeration blood circulation requires the main system of cold as system output, and the cold-producing medium in this circulation passes through
Heat in vaporizer absorption refrigerating water and vaporize, be collapsed into superheated refrigerant steam by compressor 2, by condensation
Heat regenerator 3 transfers heat to injecting type and crosses in SAPMAC method, and the generating process crossing SAPMAC method for injecting type provides heat energy,
Hereafter refrigerant liquid condenses in air-cooled condenser 4 further, and condensed refrigerant liquid flows into vaporized cooler 6
In, cross the cold-producing medium in SAPMAC method with injecting type and carry out heat exchange supercool, then in choke valve 7 flows into vaporizer 1, complete
Become kind of refrigeration cycle.
The supercool blood circulation of described injecting type include condensation heat recoverer 3, vaporized cooler 6, jet pipe 8, condenser 9,
Pump 10 and choke valve 11；Described jet pipe 8 comprises nozzle a, suction chamber b and diffuser c；
In the supercool blood circulation of described injecting type, on the right side of condensation heat recoverer 3, outfan enters with the nozzle a in ejector 8
Mouth connects；Dilator c outlet in ejector 8 is connected with the right side input of condenser 9；Input on the left of condenser 9
Hold by choke valve 11 and pump 10 respectively with vaporized cooler 6 on the left of input on the left of input and condensation heat recoverer 3
Connect；The right side outfan of vaporized cooler 6 is connected with the suction chamber b entrance in ejector 8.
Working medium employed in the supercool blood circulation of described injecting type and the working medium in steam compression type refrigeration blood circulation
Difference, its evaporating temperature is higher than the evaporating temperature of conventional ejector refrigeration system, in circulating less than steam compression type refrigeration
Condensation temperature；Injecting type is crossed the condenser 9 in SAPMAC method and is used local natural cooling source cooling.Concrete, spray type refrigerating
Cold-producing medium in blood circulation absorbs the condensation heat in steam compression type refrigeration blood circulation in condensation heat recoverer 3, becomes
Steam for High Temperature High Pressure enters into the nozzle a in ejector 8；The steam of described High Temperature High Pressure causes in nozzle a outlet
The lowest pressure, the suction chamber b that the refrigerant vapour produced in vaporized cooler is drawn in ejector 8；Described height
These the two strands of steam of refrigerant vapour produced in the steam of temperature high pressure and described vaporized cooler are mutually mixed, and form mixing and steam
Entering diffuser c after vapour together, rise high pressure in diffuser c, the mixed vapour after boosting enters in condenser 9,
With external source heat-shift, and it is condensed into liquid；Cold-producing medium is divided into two-way after going out condenser 9, and a road is through choke valve
11 blood pressure lowerings are sent back to and are supplemented the cold-producing medium evaporated in vaporized cooler 6, and another road utilizes pump 10 boosting to send condensation heat back to and returns
Receive in device, again heated generation refrigerant vapour, thus form injecting type and cross SAPMAC method.
The present invention utilizes the injecting type of thermal drivers to promote the efficiency of vapour compression refrigeration system.Spray type refrigerating is skill
Art means, utilize steam compression type refrigeration part to be only this system and produce the main modular of cold.Appropriate application condensation heat
And drive spray type refrigerating to produce high temperature cold, and supercool for vapour compression refrigeration system, it is a kind of new cooling method excessively.
The high temperature cold that spray type refrigerating produces is nonsensical (because temperature is the highest, such as 25C cold water) to user, but
To after steam compression type refrigeration condenser supercool highly significant.
The above is only the preferred embodiment of the present invention, it should be pointed out that: for those skilled in the art
For, under the premise without departing from the principles of the invention, it is also possible to make some improvements and modifications, these improvements and modifications are also
Should be regarded as protection scope of the present invention.
Claims (5)
1. one kind utilizes the refrigerating plant that condensation heat drives injecting type, it is characterised in that include steam compression type SAPMAC method system and injecting type SAPMAC method system.
A kind of refrigerating plant utilizing condensation heat to drive injecting type, it is characterized in that, described steam compression type SAPMAC method system includes vaporizer (1), compressor (2), condensation heat recoverer (3), air-cooled condenser (4), blower fan (5), vaporized cooler (6), choke valve (7)；
In described steam compression type SAPMAC method system, vaporizer (1) right-side outlet end is connected with compressor (2) lower suction mouth；Compressor (2) upper end air vent is connected with condensation heat recoverer (3) right side input；Condensation heat recoverer (3) left side outfan is connected with air-cooled condenser (4) right side input, and on the left of air-cooled condenser, outfan is connected with vaporized cooler (6) right side input；The left side outfan of vaporized cooler (6) is connected with vaporizer (1) left side input by choke valve (7).
A kind of refrigerating plant utilizing condensation heat to drive injecting type, it is characterized in that, the supercool blood circulation of described injecting type includes condensation heat recoverer (3), vaporized cooler (6), jet pipe (8), condenser (9), pump (10) and choke valve (11)；Described jet pipe (8) comprises nozzle (a), suction chamber (b) and diffuser (c)；
In the supercool blood circulation of described injecting type, condensation heat recoverer (3) right side outfan is connected with nozzle (a) import in ejector (8)；Dilator (c) outlet in ejector (8) is connected with the right side input of condenser (9)；Condenser (9) left side input is connected with vaporized cooler (6) left side input and condensation heat recoverer (3) left side input respectively by choke valve (11) and pump (10)；The right side outfan of vaporized cooler (6) is connected with suction chamber (b) entrance in ejector (8).
A kind of refrigerating plant utilizing condensation heat to drive injecting type, it is characterised in that described steam compression type SAPMAC method system and injecting type SAPMAC method system include the condensing units equipment that shares and vaporized cooler.
5. one kind utilizes the cooling method excessively that condensation heat drives injecting type, it is characterised in that including steam compression type SAPMAC method system and injecting type SAPMAC method system, the method comprises the following steps:
In steam compression type refrigeration blood circulation, steam compression type refrigeration blood circulation requires the main system of cold as system output, cold-producing medium in this circulation is vaporized by the heat in vaporizer absorption refrigerating water, it is collapsed into superheated refrigerant steam by compressor (2), in being transferred heat in the supercool blood circulation of injecting type by condensation heat recoverer (3), the generating process crossing SAPMAC method for injecting type provides heat energy, hereafter refrigerant liquid condenses in air-cooled condenser (4) further, condensed refrigerant liquid flows in vaporized cooler (6), cross the cold-producing medium in SAPMAC method with injecting type and carry out heat exchange supercool, again in choke valve (7) flows into vaporizer (1), complete kind of refrigeration cycle；
In spray type refrigerating blood circulation, cold-producing medium absorbs the condensation heat in steam compression type refrigeration blood circulation in condensation heat recoverer (3), and the steam becoming High Temperature High Pressure enters into the nozzle (a) in ejector (8)；The steam of described High Temperature High Pressure exports build-up of pressure at nozzle (a), and the refrigerant vapour produced in vaporized cooler is drawn into the suction chamber (b) in ejector (8)；These the two strands of steam of refrigerant vapour produced in the steam of described High Temperature High Pressure and described vaporized cooler are mutually mixed, diffuser (c) is entered together after forming mixed vapour, high pressure is risen in diffuser (c), mixed vapour after boosting enters in condenser (9), with external source heat-shift, and it is condensed into liquid；Cold-producing medium is divided into two-way after going out condenser (9), one tunnel supplements the cold-producing medium evaporated in vaporized cooler (6) is sent in choke valve (11) blood pressure lowering back to, another road utilizes pump (10) boosting to send back in condensation heat recoverer, again heated generation refrigerant vapour, completes injecting type and crosses SAPMAC method.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610239828.1A CN105910325A (en) | 2016-04-18 | 2016-04-18 | Condensation heat drive injection type undercooling method and refrigeration device using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610239828.1A CN105910325A (en) | 2016-04-18 | 2016-04-18 | Condensation heat drive injection type undercooling method and refrigeration device using same |
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| CN105910325A true CN105910325A (en) | 2016-08-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610239828.1A Pending CN105910325A (en) | 2016-04-18 | 2016-04-18 | Condensation heat drive injection type undercooling method and refrigeration device using same |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109855323A (en) * | 2019-03-26 | 2019-06-07 | 天津商业大学 | Refrigeration system is subcooled in injecting type |
| CN115727565A (en) * | 2022-10-31 | 2023-03-03 | 山东大学 | Jet-compression coupling refrigeration system and method utilizing ship waste heat |
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| CN101825372A (en) * | 2010-04-14 | 2010-09-08 | 东南大学 | Device and method for combined ejection refrigeration and vapor compression refrigeration cycle |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101825372A (en) * | 2010-04-14 | 2010-09-08 | 东南大学 | Device and method for combined ejection refrigeration and vapor compression refrigeration cycle |
Non-Patent Citations (2)
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| 郭静，张小松: "一种新型喷射-压缩复合循环制冷系统节能运行优化工况点的探讨", 《低温工程》 * |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109855323A (en) * | 2019-03-26 | 2019-06-07 | 天津商业大学 | Refrigeration system is subcooled in injecting type |
| CN115727565A (en) * | 2022-10-31 | 2023-03-03 | 山东大学 | Jet-compression coupling refrigeration system and method utilizing ship waste heat |
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Application publication date: 20160831 |