CN109059340A - A kind of two-stage compression refrigeration with injector-compound unit of solution regeneration - Google Patents
A kind of two-stage compression refrigeration with injector-compound unit of solution regeneration Download PDFInfo
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- CN109059340A CN109059340A CN201810556730.8A CN201810556730A CN109059340A CN 109059340 A CN109059340 A CN 109059340A CN 201810556730 A CN201810556730 A CN 201810556730A CN 109059340 A CN109059340 A CN 109059340A
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- dehumidifying
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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
- F25B25/00—Machines, plants or systems, using a combination of modes of operation covered by two or more of the groups F25B1/00 - F25B23/00
- F25B25/02—Compression-sorption machines, plants, or systems
Abstract
The invention belongs to down-hole cool-down dehumidification technical fields, more particularly to a kind of two-stage compression refrigeration with injector-solution regenerates compound unit, it include: refrigeration subsystem and solution regeneration subsystem, two subsystems are integrated by condensation-solution heat exchanger or condensation-solution regenerator coupling, so that the condensation heat of compression refrigeration subsystem is used as the driving heat source of solution regeneration subsystem.Refrigeration subsystem includes: compressor, condensation-solution heat exchanger or condensation-solution regenerator, throttling set, evaporator, injector；Solution regeneration subsystem includes: condensation-solution regenerator (or condensation-heat exchanger, solution regenerator), and the regenerated vapor of solution is emitted into air return lane after supercharger pressurizes；Supercharger can be compressor or air exhauster or vacuum pump.It is horizontal that downhole cooling dehumidifying unit operational energy efficiency can be improved in the present invention, and can realize that the efficient concentration of heat is discharged, and can be widely used for the place of the higher high temperature of heat removal requirement, high humidity environment, such as high-temperature mine.
Description
Technical field
The invention belongs to down-hole cool-down dehumidification technical field more particularly to a kind of two-stage compression systems with injector
Cold-solution regenerates compound unit.
Background technique
As the increase of pit mining depth and mechanization degree improve, there is height in more and more down-hole faces
The heat damage of warm high humidity.In order to solve this problem, the method that most of mine uses mechanical cooling cools down, existing
Method is cooled down in surface air cooler to air-flow in roadway, is dehumidified using low temperature chilled water.Traditional mine cooling, which dehumidifies, is
The problems such as that there are operation energy consumptions is big for system, operating cost is high, the discharge of condensation heat underground is difficult.Therefore, it is necessary to develop new and effective mine
Well falling temperature technique develops high-efficiency mine cool-down dehumidification equipment.
Summary of the invention
In view of the above technical problems, the two-stage compression refrigeration with injector that the invention proposes a kind of-solution regeneration is multiple
Close unit, comprising: refrigeration subsystem and solution regeneration subsystem, two subsystems are molten by condensation-solution heat exchanger or condensation-
The coupling of liquid regenerator is integrated, so that the condensation heat of compression refrigeration subsystem is used as the driving heat source of solution regeneration subsystem；
The refrigeration subsystem includes:
Refrigeration working medium outlet and condensation-solution heat exchanger or the condensation-solution regenerator refrigeration working medium of second compressor
Entrance connection, condensation-solution heat exchanger or condensation-solution regenerator refrigeration working medium outlet respectively with the system of first throttling device
Cold working medium entrances are connected with the refrigeration working medium entrance of second throttling device, the refrigeration working medium outlet of first throttling device, first
The refrigeration working medium outlet of compressor is connected with the refrigeration working medium entrance of the second compressor, the refrigeration working medium outlet of second throttling device
It is connect with the refrigeration working medium entrance of evaporator, the refrigeration working medium outlet of evaporator and the refrigeration working medium entrance of the first compressor connect
It connects.
The refrigeration subsystem is in the refrigeration working medium entrance of second throttling device and the refrigeration working medium entrance of the first compressor
Between install regulating valve and the first injector, the refrigeration entrance of regulating valve additional and be connected with the refrigeration working medium entrance of second throttling device
Connect, the outlet of the refrigeration working medium of regulating valve connect with a fluid inlet of the first injector, the refrigeration working medium of evaporator export and
The a secondary fluid entrance of first injector connects, and the fluid-mixing outlet of the first injector and the refrigeration working medium of the first compressor enter
Mouth connection.
Refrigeration working medium entrance of the refrigeration subsystem in the refrigeration working medium outlet and the second compressor of first throttling device
Between install the second injector additional, the refrigeration working medium outlet of first throttling device is connect with a fluid inlet of the second injector,
The refrigeration working medium outlet of first compressor is connect with a secondary fluid entrance of the second injector, and the fluid-mixing of the second injector goes out
Mouth is connect with the refrigeration working medium entrance of the second compressor, to replace original first throttling device, the first compressor, the second compression
Pipeline between machine.
The solution regeneration subsystem includes: that dehumidifying weak solution liquid back pipe road and the dehumidifying of condensation-solution heat exchanger are dilute molten
The connection of liquid entrance, the outlet of condensation-solution heat exchanger dehumidifying weak solution is connect with the dehumidifying weak solution entrance of solution regenerator, molten
The dehumidifying concentrated solution outlet of liquid regenerator is connect with dehumidifying concentrated solution liquid feeding pipeline；The steam outlet of solution regenerator and pressurization
The steam entry of machine connects, and the steam outlet of supercharger is connect with exhaust line；The supercharger is compressor or pumping
Machine or vacuum pump.
The solution regeneration system includes: dehumidifying weak solution liquid back pipe road and condensation-solution regenerator dehumidifying weak solution
Entrance connection, the outlet of condensation-solution regenerator dehumidifying concentrated solution are connect with dehumidifying concentrated solution liquid feeding pipeline, and condensation-solution is again
Raw device steam outlet is connect with supercharger steam entry, and supercharger steam outlet is connect with water vapour discharge pipe.
The solution regeneration subsystem solution regenerator dehumidifying concentrated solution outlet with dehumidifying concentrated solution liquid feeding pipeline it
Between solution cooler is installed.
The solution regeneration subsystem solution regenerator dehumidifying concentrated solution outlet with dehumidifying concentrated solution liquid feeding pipeline it
Between solution cooler and solution regenerator be installed, the dehumidifying weak solution entrance of dehumidifying weak solution liquid back pipe road and solution regenerator connects
It connects, the dehumidifying weak solution outlet of solution regenerator is connect with condensation-solution heat exchanger dehumidifying weak solution entrance, solution regenerator
The outlet of dehumidifying concentrated solution connect with the dehumidification solution entrance of solution cooler, the dehumidifying concentrated solution of solution cooler is exported and is removed
Wet concentrated solution liquid feeding pipeline connection.
The low pressure evaporator, condensation-solution heat exchanger or condensation-solution regenerator, evaporator-condenser, solution backheat
At least one of device, condenser, solution regenerator, high pressure compressor, low pressure compressor, the first injector, second injector
Quantity be one or more, more include serial or parallel connection.
The invention has the benefit that
1, the two-stage compression refrigeration with injector-solution, which regenerates compound unit, can realize the efficiently comprehensive benefit of energy cascade
With, can significantly unit efficiency it is horizontal, reduce operation energy consumption.
2, the two-stage compression refrigeration with injector-solution, which regenerates compound unit, can realize that condensation heat is high in the form of water vapour
It can stream discharge, reduction cooling water consumption and internal circulating load.
3, the two-stage compression refrigeration with injector-compound unit of solution regeneration realizes underground waste heat in low water burst mine
Remaining wet efficient discharge solves underground underground heat emission problem.
To sum up, it is aobvious to regenerate compound unit energy-saving effect for a kind of two-stage compression refrigeration with injector of the invention-solution
It writes, has broad application prospects in hot and humid environment control field, as the downhole cooling of high-temperature mine dehumidifies.
Detailed description of the invention
Fig. 1 is the embodiment 1 that a kind of two-stage compression refrigeration-solution with injector of the invention regenerates compound unit
Connected mode schematic diagram；
Fig. 2 is the embodiment 2 that a kind of two-stage compression refrigeration-solution with injector of the invention regenerates compound unit
Connected mode schematic diagram；
Fig. 3 is the embodiment 3 that a kind of two-stage compression refrigeration-solution with injector of the invention regenerates compound unit
Connected mode schematic diagram；
Fig. 4 is the embodiment 4 that a kind of two-stage compression refrigeration-solution with injector of the invention regenerates compound unit
Connected mode schematic diagram；
Fig. 5 is the embodiment 5 that a kind of two-stage compression refrigeration-solution with injector of the invention regenerates compound unit
Connected mode schematic diagram；
Fig. 6 is the embodiment 6 that a kind of two-stage compression refrigeration-solution with injector of the invention regenerates compound unit
Connected mode schematic diagram；
Fig. 7 is the embodiment 7 that a kind of two-stage compression refrigeration-solution with injector of the invention regenerates compound unit
Connected mode schematic diagram；
Fig. 8 is the embodiment 8 that a kind of two-stage compression refrigeration-solution with injector of the invention regenerates compound unit
Connected mode schematic diagram；
Fig. 9 is the embodiment 9 that a kind of two-stage compression refrigeration-solution with injector of the invention regenerates compound unit
Connected mode schematic diagram；
Figure 10 is the embodiment 10 that a kind of two-stage compression refrigeration-solution with injector of the invention regenerates compound unit
Connected mode schematic diagram；
Specific embodiment
In a broad embodiment of the invention, the two-stage compression refrigeration with injector-solution regenerates compound unit
It is made of refrigeration subsystem and solution regeneration subsystem, two subsystems pass through condensation-solution heat exchanger or condensation-solution regeneration
Device coupling is integrated.
The refrigeration system that two-stage compression refrigeration-solution with injector regenerates compound unit is mainly changed by condensation-solution
Hot device, the first compressor, the second compressor, evaporator, first throttling device, second throttling device, regulating valve, the first injector
It is constituted with refrigeration working medium connecting line, dehumidification solution connecting line, chilled water connecting line, water vapour connecting line；
Two-stage compression refrigeration-solution with injector regenerate the refrigeration system of compound unit mainly by condensation-solution again
Raw device, the first compressor, the second compressor, evaporator, first throttling device, second throttling device, regulating valve, the first injection
Device, the second injector and refrigeration working medium connecting line, dehumidification solution connecting line, chilled water connecting line, water vapour connecting tube
Road is constituted；
Two-stage compression refrigeration-solution with injector regenerate the solution regeneration system of compound unit by solution regenerator,
Condensation-solution heat exchanger, solution regenerator, supercharger, solution cooler and connecting line are constituted；
The solution regeneration system that two-stage compression refrigeration-solution with injector regenerates compound unit is mainly molten by condensation-
Liquid regenerator, supercharger and connecting line are constituted；
Two-stage compression refrigeration with injector-solution regenerates compound unit by refrigeration subsystem and solution regeneration subsystem
It constitutes, and is integrated two subsystems coupling by condensation-solution heat exchanger.Evaporator in refrigeration subsystem can be one
Platform can also be more evaporator series or parallel connection or series-parallel；Condensation-solution heat exchanger in refrigeration subsystem can be one
Platform can also be more condensations-solution heat exchanger serial or parallel connection or series-parallel；The first compressor in refrigeration subsystem can be
One, can also be more the first compressor parallels；The second compressor in refrigeration subsystem can be one, can also be more the
Two compressor parallels；The first injector in refrigeration subsystem can be one, can also be more the first injector parallel connections；Refrigeration
The second injector in subsystem can be one, can also be more the second injector parallel connections；
Two-stage compression refrigeration with injector-solution regenerates compound unit by refrigeration subsystem and solution regeneration subsystem
It constitutes, and is integrated two subsystems coupling by condensation-solution heat exchanger.Solution regenerator in solution regeneration subsystem can
It can also be more solution regenerator serial or parallel connections or series-parallel to be one；Condensation-solution in solution regeneration subsystem changes
Hot device can be one, can also be more condensations-solution heat exchanger serial or parallel connection or series-parallel；In solution regeneration subsystem
Supercharger can be one, can also be more supercharger serial or parallel connections or series-parallel；Solution in solution regeneration subsystem is again
Raw device can be one, can also be more solution regenerator serial or parallel connections or series-parallel；Solution in solution regeneration subsystem
Cooler can be one, can also be more solution cooler serial or parallel connections or series-parallel；
The refrigeration working medium outlet of second compressor is connect with condensation-solution heat exchanger refrigeration working medium entrance, condensation-solution
The refrigeration working medium outlet of heat exchanger respectively with the refrigeration working medium entrance of first throttling device, the refrigeration working medium entrance of regulating valve and the
The refrigeration working medium entrance of two throttling sets is connected, the outlet of the refrigeration working medium of first throttling device, the first compressor refrigeration work
Matter outlet is connected with the refrigeration working medium entrance of the second compressor, the primary stream of the refrigeration working medium outlet and the first injector of regulating valve
The refrigeration working medium outlet of the connection of body entrance, evaporator is connect with a secondary fluid entrance of the first injector, and the first injector mixes
It closes fluid outlet to connect with the refrigeration working medium entrance of the first compressor, refrigeration working medium outlet and the evaporator of second throttling device
The connection of refrigeration working medium entrance；Dehumidifying weak solution liquid back pipe road is connect with the dehumidifying weak solution entrance of solution regenerator, solution backheat
The dehumidifying weak solution outlet of device is connect with condensation-solution heat exchanger dehumidifying weak solution entrance, and condensation-solution heat exchanger removes
Wet weak solution outlet is connect with the dehumidifying weak solution entrance of solution regenerator, the dehumidifying concentrated solution outlet of solution regenerator and solution
The dehumidifying concentrated solution entrance of regenerator connects, the dehumidifying concentrated solution of dehumidifying the concentrated solution outlet and solution cooler of solution regenerator
The dehumidifying concentrated solution outlet of entrance connection, solution cooler is connect with dehumidifying concentrated solution feed liquid pipeline；The water of solution regenerator steams
The connection of the steam entry of vapor outlet and supercharger, water vapour enter exhaust line after supercharger boosts；
It should be recognized that above-mentioned enumerate is only example, it is not considered as limiting the invention.
With reference to the accompanying drawing 1-6 and different embodiment present invention be described in more detail specific structure, the course of work it is interior
Hold.
Embodiment 1
As shown in Figure 1, a kind of two-stage compression refrigeration with injector-solution regenerates compound unit mainly by refrigeration subsystem
System and solution regeneration subsystem are constituted, and two subsystems are coupled together by condensation-solution heat exchanger, working medium piping connection
Mode are as follows: the refrigeration working medium outlet of the second compressor is connect with condensation-solution heat exchanger refrigeration working medium entrance, condensation-solution
The refrigeration working medium outlet of heat exchanger respectively with the refrigeration working medium entrance of first throttling device, the refrigeration working medium entrance of regulating valve and the
The refrigeration working medium entrance of two throttling sets is connected, the outlet of the refrigeration working medium of first throttling device, the first compressor refrigeration work
Matter outlet is connected with the refrigeration working medium entrance of the second compressor, the primary stream of the refrigeration working medium outlet and the first injector of regulating valve
The refrigeration working medium outlet of the connection of body entrance, evaporator is connect with a secondary fluid entrance of the first injector, and the first injector mixes
It closes fluid outlet to connect with the refrigeration working medium entrance of the first compressor, refrigeration working medium outlet and the evaporator of second throttling device
The connection of refrigeration working medium entrance；Dehumidifying weak solution liquid back pipe road is connect with the dehumidifying weak solution entrance of solution regenerator, solution backheat
The dehumidifying weak solution outlet of device is connect with condensation-solution heat exchanger dehumidifying weak solution entrance, and condensation-solution heat exchanger removes
Wet weak solution outlet is connect with the dehumidification solution entrance of solution regenerator, and the outlet of dehumidifying concentrated solution and the solution of solution regenerator return
The dehumidifying concentrated solution entrance of hot device connects, the dehumidification solution entrance of dehumidifying the concentrated solution outlet and solution cooler of solution regenerator
The dehumidifying concentrated solution outlet of connection, solution cooler is connect with dehumidifying concentrated solution feed liquid pipeline；The water vapour of solution regenerator goes out
Mouth is connect with the steam entry of supercharger, and water vapour enters exhaust line after supercharger boosts；
Embodiment 2
As shown in Fig. 2, on the basis of 1 disclosure of embodiment, the two-stage compression refrigeration with injector-solution regeneration
Compound unit is mainly made of refrigeration subsystem and solution regeneration subsystem, by condensation-solution heat exchanger by two subsystems
It is coupled together, working medium pipeline connecting mode are as follows: refrigeration working medium outlet and the condensation-solution heat exchanger refrigeration of the second compressor
Working medium entrances connection, condensation-solution heat exchanger refrigeration working medium outlet respectively with the refrigeration working medium entrance of first throttling device, adjust
The refrigeration working medium entrance of section valve is connected with the refrigeration working medium entrance of second throttling device, and the refrigeration working medium of first throttling device goes out
The refrigeration working medium outlet of mouth, the first compressor is connected with the refrigeration working medium entrance of the second compressor, and the refrigeration working medium of regulating valve goes out
Mouth is connect with a fluid inlet of the first injector, and the refrigeration working medium outlet of evaporator and a secondary fluid of the first injector enter
The fluid-mixing outlet of mouth connection, the first injector is connect with the refrigeration working medium entrance of the first compressor, second throttling device
Refrigeration working medium outlet is connect with the refrigeration working medium entrance of evaporator；Dehumidify weak solution liquid back pipe road and condensation-solution heat exchanger
Dehumidify the connection of weak solution entrance, and condensation-solution heat exchanger dehumidifying weak solution is exported to be entered with the dehumidifying weak solution of solution regenerator
The dehumidifying concentrated solution outlet of mouth connection, solution regenerator is connect with the dehumidifying concentrated solution entrance of solution cooler, solution cooler
Dehumidifying concentrated solution outlet connect with concentrated solution liquid feeding pipeline；The steam outlet of solution regenerator and the water vapour of supercharger enter
Mouth connection, the steam outlet of supercharger are connect with water vapour exhaust line；
Embodiment 3
As shown in figure 3, on the basis of 1 disclosure of embodiment, the two-stage compression refrigeration with injector-solution regeneration
Compound unit is mainly made of refrigeration subsystem and solution regeneration subsystem, by condensation-solution heat exchanger by two subsystems coupling
Altogether, working medium pipeline connecting mode are as follows: refrigeration working medium outlet and the condensation-solution heat exchanger refrigeration work of the second compressor
Matter entrance connection, condensation-solution heat exchanger refrigeration working medium outlet respectively with the refrigeration working medium entrance of first throttling device, adjust
The refrigeration working medium entrance of valve is connected with the refrigeration working medium entrance of second throttling device, and the refrigeration working medium of first throttling device goes out
The refrigeration working medium outlet of mouth, the first compressor is connected with the refrigeration working medium entrance of the second compressor, and the refrigeration working medium of regulating valve goes out
Mouth is connect with a fluid inlet of the first injector, and the refrigeration working medium outlet of evaporator and a secondary fluid of the first injector enter
The fluid-mixing outlet of mouth connection, the first injector is connect with the refrigeration working medium entrance of the first compressor, second throttling device
Refrigeration working medium outlet is connect with the refrigeration working medium entrance of evaporator；Dehumidify weak solution liquid back pipe road and the dehumidifying of condensation-heat exchanger
The connection of weak solution entrance, the outlet of condensation-heat exchanger dehumidifying weak solution is connect with the dehumidifying weak solution entrance of solution regenerator, molten
The dehumidifying concentrated solution outlet of liquid regenerator is connect with dehumidifying concentrated solution liquid feeding pipeline；The steam outlet of solution regenerator and pressurization
The steam entry of machine connects, and the steam outlet of supercharger is connect with exhaust line；
Embodiment 4
As shown in figure 4, a kind of two-stage compression refrigeration with injector-solution regenerates compound unit mainly by refrigeration subsystem
System and solution regeneration subsystem are constituted, and two subsystems are coupled together by condensation-solution heat exchanger, working medium piping connection
Mode are as follows: the refrigeration working medium outlet of the second compressor is connect with condensation-solution heat exchanger refrigeration working medium entrance, condensation-solution
The refrigeration working medium outlet of heat exchanger respectively with the refrigeration working medium entrance of first throttling device, the refrigeration working medium entrance of regulating valve and the
The refrigeration working medium entrance of two throttling sets is connected, the primary stream of the refrigeration working medium outlet and the second injector of first throttling device
The connection of body entrance, the refrigeration working medium entrance of the second compressor and the fluid-mixing of the second injector are exported and are connected, the system of regulating valve
The refrigeration working medium outlet of cold sender property outlet, evaporator is connected with the refrigeration working medium entrance of the first compressor, the first compressor
Refrigeration working medium outlet is connect with a secondary fluid entrance of the second injector, the refrigeration working medium outlet of second throttling device and evaporator
Refrigeration working medium entrance connection；Dehumidifying weak solution liquid back pipe road is connect with the dehumidifying weak solution entrance of solution regenerator, and solution returns
The dehumidifying weak solution outlet of hot device is connect with condensation-solution heat exchanger dehumidifying weak solution entrance, condensation-solution heat exchanger
The outlet of dehumidifying weak solution is connect with the dehumidification solution entrance of solution regenerator, the dehumidifying concentrated solution outlet of solution regenerator and solution
The dehumidifying concentrated solution entrance of regenerator connects, and the dehumidifying concentrated solution outlet of solution regenerator and the dehumidification solution of solution cooler enter
The dehumidifying concentrated solution outlet of mouth connection, solution cooler is connect with dehumidifying concentrated solution liquid feeding pipeline；The water vapour of solution regenerator
Outlet is connect with the steam entry of supercharger, and water vapour enters exhaust line after supercharger boosts；
Embodiment 5
As shown in figure 5, on the basis of 1 disclosure of embodiment, the two-stage compression refrigeration with injector-solution regeneration
Compound unit is mainly made of refrigeration subsystem and solution regeneration subsystem, by condensation-solution heat exchanger by two subsystems
It is coupled together, working medium pipeline connecting mode are as follows: refrigeration working medium outlet and the condensation-solution heat exchanger refrigeration of the second compressor
Working medium entrances connection, condensation-solution heat exchanger refrigeration working medium outlet respectively with the refrigeration working medium entrance of first throttling device, adjust
The refrigeration working medium entrance of section valve is connected with the refrigeration working medium entrance of second throttling device, and the refrigeration working medium of first throttling device goes out
Mouth is connect with a fluid inlet of the second injector, the refrigeration working medium entrance of the second compressor and the mixed flow of the second injector
The refrigeration working medium of body outlet connection, the refrigeration working medium outlet of regulating valve, the refrigeration working medium outlet of evaporator and the first compressor enters
Mouth is connected, and the refrigeration working medium outlet of the first compressor is connect with a secondary fluid entrance of the second injector, second throttling device
Refrigeration working medium outlet connect with the refrigeration working medium entrance of evaporator；Dehumidify weak solution liquid back pipe road and condensation-solution heat exchanger
Dehumidifying weak solution entrance connection, condensation-solution heat exchanger dehumidifying weak solution outlet and solution regenerator dehumidifying weak solution
The dehumidifying concentrated solution outlet of entrance connection, solution regenerator is connect with the dehumidifying concentrated solution entrance of solution cooler, and solution is cooling
The dehumidifying concentrated solution outlet of device is connect with concentrated solution liquid feeding pipeline；The steam outlet of solution regenerator and the steam of supercharger enter
Mouth connection, the steam (vapor) outlet of supercharger are connect with water vapour exhaust line；
Embodiment 6
As shown in fig. 6, on the basis of 1 disclosure of embodiment, the two-stage compression refrigeration with injector-solution regeneration
Compound unit is mainly made of refrigeration subsystem and solution regeneration subsystem, by condensation-solution heat exchanger by two subsystems coupling
Altogether, working medium pipeline connecting mode are as follows: refrigeration working medium outlet and the condensation-solution heat exchanger refrigeration work of the second compressor
Matter entrance connection, condensation-solution heat exchanger refrigeration working medium outlet respectively with the refrigeration working medium entrance of first throttling device, adjust
The refrigeration working medium entrance of valve is connected with the refrigeration working medium entrance of second throttling device, the refrigeration working medium outlet of first throttling device
It is connect with a fluid inlet of the second injector, the refrigeration working medium entrance of the second compressor and the fluid-mixing of the second injector
Outlet connection, the refrigeration working medium entrance of refrigeration working medium outlet, the refrigeration working medium outlet and the first compressor of evaporator of regulating valve
It is connected, the refrigeration working medium outlet of the first compressor is connect with a secondary fluid entrance of the second injector, second throttling device
Refrigeration working medium outlet is connect with the refrigeration working medium entrance of evaporator；Dehumidify weak solution liquid back pipe road and the dehumidifying of condensation-heat exchanger
The connection of weak solution entrance, the outlet of condensation-heat exchanger dehumidifying weak solution is connect with the dehumidifying weak solution entrance of solution regenerator, molten
The dehumidifying concentrated solution outlet of liquid regenerator is connect with dehumidifying concentrated solution liquid feeding pipeline；The steam outlet of solution regenerator and pressurization
The steam entry of machine connects, and the steam outlet of supercharger is connect with exhaust line；
Embodiment 7
As shown in fig. 7, on the basis of 1 disclosure of embodiment, the two-stage compression refrigeration with injector-solution regeneration
Compound unit is mainly made of refrigeration subsystem and solution regeneration subsystem, by condensation-solution heat exchanger by two subsystems coupling
Altogether, working medium pipeline connecting mode are as follows: refrigeration working medium outlet and the condensation-solution heat exchanger refrigeration work of the second compressor
Matter entrance connection, condensation-solution heat exchanger refrigeration working medium outlet respectively with the refrigeration working medium entrance of first throttling device, adjust
The refrigeration working medium entrance of valve is connected with the refrigeration working medium entrance of second throttling device, the refrigeration working medium outlet of first throttling device
It is connect with a fluid inlet of the second injector, a secondary fluid of the refrigeration working medium outlet and the second injector of the first compressor
The fluid-mixing outlet of entrance connection, the second injector is connect with the refrigeration working medium entrance of the second compressor, the refrigeration of regulating valve
Sender property outlet is connect with a fluid inlet of the first injector, and the refrigeration working medium of evaporator exports secondary with the first injector
The fluid-mixing outlet of fluid inlet connection, the first injector is connect with the refrigeration working medium entrance of the first compressor, the second throttling
The refrigeration working medium outlet of device is connect with the refrigeration working medium entrance of evaporator；Dehumidify weak solution liquid back pipe road and solution regenerator
Dehumidify the connection of weak solution entrance, and the dehumidifying weak solution outlet of solution regenerator enters with condensation-solution heat exchanger dehumidifying weak solution
Mouth connection, the outlet of condensation-solution heat exchanger dehumidifying weak solution are connect with the dehumidification solution entrance of solution regenerator, solution regeneration
The dehumidifying concentrated solution outlet of device is connect with the dehumidifying concentrated solution entrance of solution regenerator, the dehumidifying concentrated solution outlet of solution regenerator
It is connect with the dehumidification solution entrance of solution cooler, the outlet of dehumidifying concentrated solution and the dehumidifying concentrated solution liquid feeding pipeline of solution cooler
Connection；The steam outlet of solution regenerator and the steam entry of supercharger connect, and water vapour enters after supercharger boosts
Exhaust line；
Embodiment 8
As shown in figure 8, on the basis of 1 disclosure of embodiment, the two-stage compression refrigeration with injector-solution regeneration
Compound unit is mainly made of refrigeration subsystem and solution regeneration subsystem, by condensation-solution heat exchanger by two subsystems coupling
Altogether, working medium pipeline connecting mode are as follows: refrigeration working medium outlet and the condensation-solution heat exchanger refrigeration work of the second compressor
Matter entrance connection, condensation-solution heat exchanger refrigeration working medium outlet respectively with the refrigeration working medium entrance of first throttling device, adjust
The refrigeration working medium entrance of valve is connected with the refrigeration working medium entrance of second throttling device, the refrigeration working medium outlet of first throttling device
It is connect with a fluid inlet of the second injector, a secondary fluid of the refrigeration working medium outlet and the second injector of the first compressor
The fluid-mixing outlet of entrance connection, the second injector is connect with the refrigeration working medium entrance of the second compressor, the refrigeration of regulating valve
Sender property outlet is connect with a fluid inlet of the first injector, and the refrigeration working medium of evaporator exports secondary with the first injector
The fluid-mixing outlet of fluid inlet connection, the first injector is connect with the refrigeration working medium entrance of the first compressor, the second throttling
The refrigeration working medium outlet of device is connect with the refrigeration working medium entrance of evaporator；Dehumidifying weak solution liquid back pipe road is changed with condensation-solution
The dehumidifying weak solution entrance of hot device connects, and the outlet of condensation-solution heat exchanger dehumidifying weak solution is dilute with the dehumidifying of solution regenerator
The dehumidifying concentrated solution outlet of solution inlet connection, solution regenerator is connect with the dehumidifying concentrated solution entrance of solution cooler, solution
The dehumidifying concentrated solution outlet of cooler is connect with dehumidifying concentrated solution liquid feeding pipeline；The steam outlet and supercharger of solution regenerator
Steam inlet connection, the steam (vapor) outlet of supercharger connect with water vapour exhaust line；
Embodiment 9
As shown in figure 9, on the basis of 1 disclosure of embodiment, the two-stage compression refrigeration with injector-solution regeneration
Compound unit is mainly made of refrigeration subsystem and solution regeneration subsystem, by condensation-solution heat exchanger by two subsystems coupling
Altogether, working medium pipeline connecting mode are as follows: refrigeration working medium outlet and the condensation-solution heat exchanger refrigeration work of the second compressor
Matter entrance connection, condensation-solution heat exchanger refrigeration working medium outlet respectively with the refrigeration working medium entrance of first throttling device, adjust
The refrigeration working medium entrance of valve is connected with the refrigeration working medium entrance of second throttling device, the refrigeration working medium outlet of first throttling device
It is connect with a fluid inlet of the second injector, a secondary fluid of the refrigeration working medium outlet and the second injector of the first compressor
The fluid-mixing outlet of entrance connection, the second injector is connect with the refrigeration working medium entrance of the second compressor, the refrigeration of regulating valve
Sender property outlet is connect with a fluid inlet of the first injector, and the refrigeration working medium of evaporator exports secondary with the first injector
The fluid-mixing outlet of fluid inlet connection, the first injector is connect with the refrigeration working medium entrance of the first compressor, the second throttling
The refrigeration working medium outlet of device is connect with the refrigeration working medium entrance of evaporator；Dehumidify weak solution liquid back pipe road and condensation-heat exchanger
Dehumidifying weak solution entrance connection, condensation-heat exchanger dehumidifying weak solution outlet and solution regenerator dehumidifying weak solution entrance
Connection, the outlet of dehumidifying concentrated solution and the dehumidifying concentrated solution piping connection of solution regenerator；The steam outlet of solution regenerator with
The steam entry of supercharger connects, and the steam outlet of supercharger is connect with exhaust line；
Case study on implementation 10
As shown in Figure 10, the two-stage compression refrigeration with injector-solution regenerates compound unit mainly by refrigeration subsystem
It is constituted with solution regeneration subsystem.Refrigeration subsystem: the second compressor refrigeration sender property outlet and condensation-solution regenerator refrigeration work
The connection of matter entrance, condensation-solution regenerator refrigeration working medium outlet respectively with first throttling device, regulating valve and second throttling device
Be connected, second throttling device refrigeration working medium outlet connect with evaporator refrigeration working medium entrances, evaporator refrigeration sender property outlet and
The connection of first injector a secondary fluid entrance, the first fluid outlet of injector one time and the outlet of regulating valve refrigeration working medium connect, the
The outlet of one injector fluid-mixing is connect with the first compressor refrigeration working medium entrances, the first compressor refrigeration sender property outlet and second
The connection of injector a secondary fluid entrance, the second fluid inlet of injector one time and the outlet of first throttling device refrigeration working medium connect,
Second injector fluid-mixing outlet connect with the second compressor refrigeration working medium entrances, the second compressor refrigeration sender property outlet with it is cold
Solidifying-solution regenerator refrigeration working medium entrance connection；Dehumidifying weak solution liquid back pipe road enters with condensation-solution regenerator dehumidifying weak solution
Mouth connection, condensation-solution regenerator dehumidifying concentrated solution outlet are connect with solution cooler dehumidifying concentrated solution entrance, solution cooler
The outlet of dehumidifying concentrated solution is connect with dehumidifying concentrated solution liquid feeding pipeline；Condensation-solution regenerator steam outlet and supercharger water steam
The connection of vapour entrance, supercharger steam outlet are connect with water vapour discharge pipe.
This embodiment is merely preferred embodiments of the present invention, but scope of protection of the present invention is not limited thereto,
In the technical scope disclosed by the present invention, any changes or substitutions that can be easily thought of by anyone skilled in the art,
It should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be with scope of protection of the claims
Subject to.
Claims (11)
1. a kind of two-stage compression refrigeration with injector-solution regenerates compound unit characterized by comprising refrigeration subsystem
System and solution regeneration subsystem, two subsystems are integrated by condensation-solution heat exchanger or condensation-solution regenerator coupling,
So that the condensation heat of compression refrigeration subsystem is used as the driving heat source of solution regeneration subsystem；
The refrigeration subsystem includes:
Refrigeration working medium outlet and condensation-solution heat exchanger or the condensation-solution regenerator refrigeration working medium entrance of second compressor
Connection, condensation-solution heat exchanger or condensation-solution regenerator refrigeration working medium outlet respectively with the refrigeration work of first throttling device
Matter entrance is connected with the refrigeration working medium entrance of second throttling device, refrigeration working medium outlet, the first compression of first throttling device
The refrigeration working medium outlet of machine is connected with the refrigeration working medium entrance of the second compressor, the refrigeration working medium outlet and steaming of second throttling device
The refrigeration working medium entrance connection of device is sent out, the refrigeration working medium outlet of evaporator is connect with the refrigeration working medium entrance of the first compressor.
2. unit according to claim 1, which is characterized in that refrigeration working medium of the refrigeration subsystem in second throttling device
Install regulating valve and the first injector between entrance and the refrigeration working medium entrance of the first compressor additional, the refrigeration entrance of regulating valve and the
The refrigeration working medium entrance of two throttling sets is connected, a fluid inlet of the refrigeration working medium outlet and the first injector of regulating valve
The refrigeration working medium outlet of connection, evaporator is connect with a secondary fluid entrance of the first injector, the fluid-mixing of the first injector
Outlet is connect with the refrigeration working medium entrance of the first compressor.
3. unit according to claim 1 or claim 2, which is characterized in that refrigeration of the refrigeration subsystem in first throttling device
Install the second injector between sender property outlet and the refrigeration working medium entrance of the second compressor additional, the refrigeration working medium of first throttling device goes out
Mouth is connect with a fluid inlet of the second injector, the Secondary Flow of the refrigeration working medium outlet and the second injector of the first compressor
The fluid-mixing outlet of the connection of body entrance, the second injector is connect with the refrigeration working medium entrance of the second compressor, to replace original
First first throttling device, the first compressor, the pipeline between the second compressor.
4. unit according to claim 1 or claim 2, which is characterized in that the solution regeneration subsystem includes: that dehumidifying weak solution is returned
Liquid pipeline is connect with condensation-solution heat exchanger dehumidifying weak solution entrance, condensation-solution heat exchanger dehumidifying weak solution outlet with
The dehumidifying weak solution entrance of solution regenerator connects, the outlet of dehumidifying concentrated solution and the dehumidifying concentrated solution liquid feeding pipeline of solution regenerator
Connection；The steam outlet of solution regenerator and the steam entry of supercharger connect, the steam outlet and steam discharge of supercharger
Piping connection；The supercharger is compressor or air exhauster or vacuum pump.
5. unit according to claim 3, which is characterized in that the solution regeneration subsystem includes: that dehumidifying weak solution returns liquid
Pipeline is connect with condensation-solution heat exchanger dehumidifying weak solution entrance, condensation-solution heat exchanger dehumidifying weak solution outlet with it is molten
The dehumidifying weak solution entrance of liquid regenerator connects, and the outlet of dehumidifying concentrated solution and the dehumidifying concentrated solution liquid feeding pipeline of solution regenerator connect
It connects；The steam outlet of solution regenerator and the steam entry of supercharger connect, the steam outlet and gland steam exhauster of supercharger
Road connection；The supercharger is compressor or air exhauster or vacuum pump.
6. unit according to claim 1 or claim 2, which is characterized in that the solution regeneration system includes: that dehumidifying weak solution returns liquid
Pipeline is connect with condensation-solution regenerator dehumidifying weak solution entrance, and condensation-solution regenerator dehumidifying concentrated solution is exported and removed
Wet concentrated solution liquid feeding pipeline connection, condensation-solution regenerator steam outlet are connect with supercharger steam entry, supercharger water
Steam (vapor) outlet is connect with water vapour discharge pipe.
7. unit according to claim 3, which is characterized in that the solution regeneration system includes: dehumidifying weak solution liquid back pipe
Road is connect with condensation-solution regenerator dehumidifying weak solution entrance, the outlet of condensation-solution regenerator dehumidifying concentrated solution and dehumidifying
The connection of concentrated solution liquid feeding pipeline, condensation-solution regenerator steam outlet are connect with supercharger steam entry, and supercharger water steams
Vapor outlet is connect with water vapour discharge pipe.
8. unit according to claim 4, which is characterized in that the solution regeneration subsystem is dense in the dehumidifying of solution regenerator
Solution cooler is installed between taphole and dehumidifying concentrated solution liquid feeding pipeline.
9. unit according to claim 5, which is characterized in that the solution regeneration subsystem is dense in the dehumidifying of solution regenerator
Solution cooler is installed between taphole and dehumidifying concentrated solution liquid feeding pipeline.
10. unit according to claim 4, which is characterized in that dehumidifying of the solution regeneration subsystem in solution regenerator
Solution cooler and solution regenerator are installed between concentrated solution outlet and dehumidifying concentrated solution liquid feeding pipeline, dehumidify weak solution liquid back pipe
Road is connect with the dehumidifying weak solution entrance of solution regenerator, and the outlet of dehumidifying weak solution and the condensation-solution of solution regenerator exchange heat
The dehumidifying weak solution entrance of device connects, and the dehumidifying concentrated solution outlet of solution regenerator and the dehumidification solution entrance of solution cooler connect
It connects, the dehumidifying concentrated solution outlet of solution cooler is connect with dehumidifying concentrated solution liquid feeding pipeline.
11. unit according to claim 5, which is characterized in that dehumidifying of the solution regeneration subsystem in solution regenerator
Solution cooler and solution regenerator are installed between concentrated solution outlet and dehumidifying concentrated solution liquid feeding pipeline, dehumidify weak solution liquid back pipe
Road is connect with the dehumidifying weak solution entrance of solution regenerator, and the outlet of dehumidifying weak solution and the condensation-solution of solution regenerator exchange heat
The dehumidifying weak solution entrance of device connects, and the dehumidifying concentrated solution outlet of solution regenerator and the dehumidification solution entrance of solution cooler connect
It connects, the dehumidifying concentrated solution outlet of solution cooler is connect with dehumidifying concentrated solution liquid feeding pipeline.
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| CN201810556730.8A CN109059340B (en) | 2018-06-01 | 2018-06-01 | Two-stage compression type refrigeration-solution regeneration combined unit with ejector |
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