CN109059340B - Two-stage compression type refrigeration-solution regeneration combined unit with ejector - Google Patents
Two-stage compression type refrigeration-solution regeneration combined unit with ejector Download PDFInfo
- Publication number
- CN109059340B CN109059340B CN201810556730.8A CN201810556730A CN109059340B CN 109059340 B CN109059340 B CN 109059340B CN 201810556730 A CN201810556730 A CN 201810556730A CN 109059340 B CN109059340 B CN 109059340B
- Authority
- CN
- China
- Prior art keywords
- solution
- outlet
- inlet
- working medium
- dehumidifying
- 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.)
- Expired - Fee Related
Links
- 230000008929 regeneration Effects 0.000 title claims abstract description 70
- 238000011069 regeneration method Methods 0.000 title claims abstract description 70
- 230000006835 compression Effects 0.000 title claims abstract description 40
- 238000007906 compression Methods 0.000 title claims abstract description 40
- 238000005057 refrigeration Methods 0.000 claims abstract description 55
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 50
- 238000009833 condensation Methods 0.000 claims abstract description 5
- 230000005494 condensation Effects 0.000 claims abstract description 5
- 239000012530 fluid Substances 0.000 claims description 57
- 230000001105 regulatory effect Effects 0.000 claims description 29
- 238000001816 cooling Methods 0.000 abstract description 8
- 238000007791 dehumidification Methods 0.000 abstract description 3
- 238000000605 extraction Methods 0.000 abstract 1
- 238000005265 energy consumption Methods 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
Images
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
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Drying Of Gases (AREA)
Abstract
The invention belongs to the technical field of mine underground cooling and dehumidification, and particularly relates to a two-stage compression type refrigeration-solution regeneration combined unit with an ejector, which comprises: the system comprises a refrigeration subsystem and a solution regeneration subsystem, wherein the two subsystems are coupled into a whole through a condensation-solution heat exchanger or a condensation-solution regenerator, so that the condensation heat of the compression refrigeration subsystem is used as a driving heat source of the solution regeneration subsystem. The refrigeration subsystem includes: a compressor, a condensate-solution heat exchanger or a condensate-solution regenerator, a throttling device, an evaporator, an ejector; the solution regeneration subsystem includes: a condensation-solution regenerator (or a condensation-heat exchanger and a solution regenerator), wherein the water vapor generated by solution regeneration is pressurized by a supercharger and then discharged to a return airway; the booster can be a compressor or an air extractor or a vacuum pump. The invention can improve the operation energy efficiency level of the underground cooling and dehumidifying unit, can realize the high-efficiency concentrated emission of heat, and can be widely applied to places with high-temperature and high-humidity environments with high heat extraction requirements, such as high-temperature mines.
Description
Technical Field
The invention belongs to the technical field of mine underground cooling and dehumidification, and particularly relates to a two-stage compression type refrigeration-solution regeneration combined unit with an ejector.
Background
With the increase of the mining depth and the improvement of the mechanization degree of the mine, more and more underground mining surfaces of the mine have the problem of high temperature and high humidity heat damage. In order to solve the problem, most mines are cooled by adopting a mechanical cooling method, and the existing method is to cool and dehumidify airflow in a roadway by adopting low-temperature chilled water in a surface air cooler. The traditional mine cooling and dehumidifying system has the problems of high operation energy consumption, high operation cost, difficulty in discharging under a condensation hot well and the like. Therefore, a novel efficient mine cooling technology needs to be developed to develop efficient mine cooling and dehumidifying equipment.
Disclosure of Invention
In order to solve the technical problems, the invention provides a two-stage compression type refrigeration-solution regeneration combined unit with an ejector, which comprises: the system comprises a refrigeration subsystem and a solution regeneration subsystem, wherein the two subsystems are coupled into a whole through a condensation-solution heat exchanger or a condensation-solution regenerator, so that the condensation heat of the compression refrigeration subsystem is used as a driving heat source of the solution regeneration subsystem;
the refrigeration subsystem includes:
the refrigerating medium outlet of the second compressor is connected with the refrigerating medium inlet of the condensation-solution heat exchanger or the condensation-solution regenerator, the refrigerating medium outlet of the condensation-solution heat exchanger or the condensation-solution regenerator is respectively connected with the refrigerating medium inlet of the first throttling device and the refrigerating medium inlet of the second throttling device, the refrigerating medium outlet of the first compressor and the refrigerating medium inlet of the second compressor are connected, the refrigerating medium outlet of the second throttling device is connected with the refrigerating medium inlet of the evaporator, and the refrigerating medium outlet of the evaporator is connected with the refrigerating medium inlet of the first compressor.
The refrigeration subsystem is additionally provided with a regulating valve and a first ejector between a refrigeration working medium inlet of the second throttling device and a refrigeration working medium inlet of the first compressor, a refrigeration inlet of the regulating valve is connected with the refrigeration working medium inlet of the second throttling device, a refrigeration working medium outlet of the regulating valve is connected with a primary fluid inlet of the first ejector, a refrigeration working medium outlet of the evaporator is connected with a secondary fluid inlet of the first ejector, and a mixed fluid outlet of the first ejector is connected with the refrigeration working medium inlet of the first compressor.
The refrigeration subsystem is additionally provided with a second ejector between a refrigeration working medium outlet of the first throttling device and a refrigeration working medium inlet of the second compressor, the refrigeration working medium outlet of the first throttling device is connected with a primary fluid inlet of the second ejector, the refrigeration working medium outlet of the first compressor is connected with a secondary fluid inlet of the second ejector, and a mixed fluid outlet of the second ejector is connected with a refrigeration working medium inlet of the second compressor to replace a pipeline among the original first throttling device, the original first compressor and the original second compressor.
The solution regeneration subsystem includes: the dehumidifying dilute solution return pipeline is connected with a dehumidifying dilute solution inlet of the condensing-solution heat exchanger, a dehumidifying dilute solution outlet of the condensing-solution heat exchanger is connected with a dehumidifying dilute solution inlet of the solution regenerator, and a dehumidifying concentrated solution outlet of the solution regenerator is connected with a dehumidifying concentrated solution supply pipeline; the water vapor outlet of the solution regenerator is connected with the water vapor inlet of the supercharger, and the water vapor outlet of the supercharger is connected with the exhaust pipeline; the booster is a compressor or an air extractor or a vacuum pump.
The solution regeneration system includes: the dehumidifying dilute solution return pipeline is connected with a dehumidifying dilute solution inlet of a condensing-solution regenerator, a dehumidifying concentrated solution outlet of the condensing-solution regenerator is connected with a dehumidifying concentrated solution supply pipeline, a water vapor outlet of the condensing-solution regenerator is connected with a water vapor inlet of a supercharger, and the water vapor outlet of the supercharger is connected with a water vapor discharge pipeline.
And the solution regeneration subsystem is provided with a solution cooler between a dehumidifying concentrated solution outlet of the solution regenerator and a dehumidifying concentrated solution supply pipeline.
The solution regeneration subsystem is provided with a solution cooler and a solution heat regenerator between a dehumidifying concentrated solution outlet of the solution regenerator and a dehumidifying concentrated solution supply pipeline, the dehumidifying dilute solution return pipeline is connected with a dehumidifying dilute solution inlet of the solution heat regenerator, a dehumidifying dilute solution outlet of the solution heat regenerator is connected with a dehumidifying dilute solution inlet of the condensing-solution heat exchanger, a dehumidifying concentrated solution outlet of the solution heat regenerator is connected with a dehumidifying solution inlet of the solution cooler, and a dehumidifying concentrated solution outlet of the solution cooler is connected with a dehumidifying concentrated solution supply pipeline.
The number of at least one of the low-pressure evaporator, the condensation-solution heat exchanger or the condensation-solution regenerator, the evaporation-condenser, the solution heat regenerator, the condenser, the solution regenerator, the high-pressure compressor, the low-pressure compressor, the first ejector and the second ejector is one or more, and the plurality of the low-pressure evaporators, the condensation-solution heat exchanger or the condensation-solution regenerator are connected in series or in parallel.
The invention has the beneficial effects that:
1. the two-stage compression type refrigeration-solution regeneration combined unit with the ejector can realize the high-efficiency comprehensive utilization of energy step, greatly improve the energy efficiency level of the unit and reduce the operation energy consumption.
2. The two-stage compression type refrigeration-solution regeneration combined unit with the ejector can realize the high-energy flow discharge of condensation heat in a water vapor form, and reduce the consumption and circulation of cooling water.
3. The double-stage compression type refrigeration-solution regeneration combined unit with the ejector realizes the efficient discharge of underground waste heat and residual humidity in a low-water-burst mine, and solves the underground geothermal heat discharge problem.
In conclusion, the two-stage compression type refrigeration-solution regeneration combined unit with the ejector has a remarkable energy-saving effect, and has a wide application prospect in the field of high-temperature and high-humidity environment control, such as underground cooling and dehumidification of a high-temperature mine.
Drawings
FIG. 1 is a schematic view showing the connection mode of embodiment 1 of a two-stage compression type refrigeration-solution regeneration combined unit with an ejector according to the present invention;
FIG. 2 is a schematic view showing the connection mode of embodiment 2 of a two-stage compression type refrigeration-solution regeneration combined unit with an ejector according to the present invention;
FIG. 3 is a schematic view showing the connection mode of embodiment 3 of the two-stage compression type refrigeration-solution regeneration combined unit with the ejector according to the present invention;
FIG. 4 is a schematic view showing the connection mode of embodiment 4 of the two-stage compression type refrigeration-solution regeneration combined unit with the ejector according to the present invention;
FIG. 5 is a schematic view showing the connection mode of embodiment 5 of the two-stage compression type refrigeration-solution regeneration combined unit with the ejector according to the present invention;
FIG. 6 is a schematic view showing the connection mode of embodiment 6 of the two-stage compression type refrigeration-solution regeneration combined unit with the ejector according to the present invention;
FIG. 7 is a schematic view showing the connection mode of embodiment 7 of the two-stage compression type refrigeration-solution regeneration combined unit with the ejector according to the present invention;
FIG. 8 is a schematic view showing the connection mode of embodiment 8 of the two-stage compression type refrigeration-solution regeneration combined unit with the ejector according to the present invention;
FIG. 9 is a schematic view showing the connection of example 9 of a two-stage compression type refrigeration-solution regeneration combined unit with an ejector according to the present invention;
FIG. 10 is a schematic view showing the connection of example 10 of a two-stage compression type refrigeration-solution regeneration combined unit with an ejector according to the present invention;
Detailed Description
In one broad embodiment of the invention, a two-stage compression refrigeration-solution regeneration combined unit with an ejector is composed of a refrigeration subsystem and a solution regeneration subsystem, and the two subsystems are coupled into a whole through a condensation-solution heat exchanger or a condensation-solution regenerator.
The refrigerating system of the two-stage compression type refrigerating-solution regeneration combined unit with the ejector mainly comprises a condensation-solution heat exchanger, a first compressor, a second compressor, an evaporator, a first throttling device, a second throttling device, a regulating valve, a first ejector, a refrigerating working medium connecting pipeline, a dehumidifying solution connecting pipeline, a chilled water connecting pipeline and a water vapor connecting pipeline;
the refrigerating system of the two-stage compression type refrigerating-solution regenerating combined unit with the ejector mainly comprises a condensation-solution regenerator, a first compressor, a second compressor, an evaporator, a first throttling device, a second throttling device, a regulating valve, a first ejector, a second ejector, a refrigerating working medium connecting pipeline, a dehumidifying solution connecting pipeline, a chilled water connecting pipeline and a water vapor connecting pipeline;
the solution regeneration system of the two-stage compression type refrigeration-solution regeneration combined unit with the ejector consists of a solution heat regenerator, a condensation-solution heat exchanger, a solution regenerator, a supercharger, a solution cooler and a connecting pipeline;
the solution regeneration system of the two-stage compression type refrigeration-solution regeneration combined unit with the ejector mainly comprises a condensation-solution regenerator, a supercharger and a connecting pipeline;
the two-stage compression type refrigeration-solution regeneration combined unit with the ejector is composed of a refrigeration subsystem and a solution regeneration subsystem, and the two subsystems are coupled into a whole by a condensation-solution heat exchanger. The number of the evaporators in the refrigeration subsystem can be one, or a plurality of evaporators can be connected in series or in parallel or in series and parallel; the condensation-solution heat exchanger in the refrigeration subsystem can be one, or a plurality of condensation-solution heat exchangers can be connected in series or in parallel or in series-parallel; the number of the first compressors in the refrigeration subsystem can be one, or a plurality of first compressors can be connected in parallel; the number of the second compressors in the refrigeration subsystem can be one, or a plurality of second compressors can be connected in parallel; the number of the first ejectors in the refrigeration subsystem can be one, or a plurality of first ejectors can be connected in parallel; the number of the second ejectors in the refrigeration subsystem can be one, or a plurality of second ejectors can be connected in parallel;
the two-stage compression type refrigeration-solution regeneration combined unit with the ejector is composed of a refrigeration subsystem and a solution regeneration subsystem, and the two subsystems are coupled into a whole by a condensation-solution heat exchanger. The solution regenerator in the solution regeneration subsystem can be one, or a plurality of solution regenerators can be connected in series or in parallel or in series and parallel; the condensation-solution heat exchanger in the solution regeneration subsystem can be one, or a plurality of condensation-solution heat exchangers can be connected in series or in parallel or in series and parallel; the booster in the solution regeneration subsystem can be one booster, or a plurality of boosters can be connected in series or in parallel or in series and parallel; the solution regenerator in the solution regeneration subsystem can be one, or a plurality of solution regenerators can be connected in series or in parallel or in series and parallel; the solution cooler in the solution regeneration subsystem can be one, or a plurality of solution coolers can be connected in series or in parallel or in series and parallel;
the refrigerating working medium outlet of the second compressor is connected with the refrigerating working medium inlet of the condensation-solution heat exchanger, the refrigerating working medium outlet of the condensation-solution heat exchanger is respectively connected with the refrigerating working medium inlet of the first throttling device, the refrigerating working medium inlet of the regulating valve and the refrigerating working medium inlet of the second throttling device, the refrigerating working medium outlet of the first compressor and the refrigerating working medium inlet of the second compressor are connected, the refrigerating working medium outlet of the regulating valve is connected with the primary fluid inlet of the first ejector, the refrigerating working medium outlet of the evaporator is connected with the secondary fluid inlet of the first ejector, the mixed fluid outlet of the first ejector is connected with the refrigerating working medium inlet of the first compressor, and the refrigerating working medium outlet of the second throttling device is connected with the refrigerating working medium inlet of the evaporator; the dehumidifying dilute solution return pipeline is connected with a dehumidifying dilute solution inlet of the solution heat regenerator, a dehumidifying dilute solution outlet of the solution heat regenerator is connected with a dehumidifying dilute solution inlet of the condensing-solution heat exchanger, a dehumidifying dilute solution outlet of the condensing-solution heat exchanger is connected with a dehumidifying dilute solution inlet of the solution regenerator, a dehumidifying concentrated solution outlet of the solution regenerator is connected with a dehumidifying concentrated solution inlet of the solution heat regenerator, a dehumidifying concentrated solution outlet of the solution heat regenerator is connected with a dehumidifying concentrated solution inlet of the solution cooler, and a dehumidifying concentrated solution outlet of the solution cooler is connected with a dehumidifying concentrated solution supply pipeline; a water vapor outlet of the solution regenerator is connected with a water vapor inlet of a supercharger, and the water vapor is pressurized by the supercharger and then enters an exhaust pipeline;
it should be appreciated that the above list is exemplary only and should not be construed as limiting the invention.
The following describes the details of the specific structure and operation of the present invention in further detail with reference to fig. 1-6 and various embodiments.
Example 1
As shown in fig. 1, a two-stage compression type refrigeration-solution regeneration combined unit with an ejector mainly comprises a refrigeration subsystem and a solution regeneration subsystem, the two subsystems are coupled through a condensation-solution heat exchanger, and the working medium pipeline connection mode is as follows: the refrigerating working medium outlet of the second compressor is connected with the refrigerating working medium inlet of the condensation-solution heat exchanger, the refrigerating working medium outlet of the condensation-solution heat exchanger is respectively connected with the refrigerating working medium inlet of the first throttling device, the refrigerating working medium inlet of the regulating valve and the refrigerating working medium inlet of the second throttling device, the refrigerating working medium outlet of the first compressor and the refrigerating working medium inlet of the second compressor are connected, the refrigerating working medium outlet of the regulating valve is connected with the primary fluid inlet of the first ejector, the refrigerating working medium outlet of the evaporator is connected with the secondary fluid inlet of the first ejector, the mixed fluid outlet of the first ejector is connected with the refrigerating working medium inlet of the first compressor, and the refrigerating working medium outlet of the second throttling device is connected with the refrigerating working medium inlet of the evaporator; the dehumidifying dilute solution return pipeline is connected with a dehumidifying dilute solution inlet of the solution heat regenerator, a dehumidifying dilute solution outlet of the solution heat regenerator is connected with a dehumidifying dilute solution inlet of the condensing-solution heat exchanger, a dehumidifying dilute solution outlet of the condensing-solution heat exchanger is connected with a dehumidifying solution inlet of the solution regenerator, a dehumidifying concentrated solution outlet of the solution regenerator is connected with a dehumidifying concentrated solution inlet of the solution heat regenerator, a dehumidifying concentrated solution outlet of the solution heat regenerator is connected with a dehumidifying solution inlet of the solution cooler, and a dehumidifying concentrated solution outlet of the solution cooler is connected with a dehumidifying concentrated solution supply pipeline; a water vapor outlet of the solution regenerator is connected with a water vapor inlet of a supercharger, and the water vapor is pressurized by the supercharger and then enters an exhaust pipeline;
example 2
As shown in fig. 2, based on the disclosure of embodiment 1, the two-stage compression refrigeration-solution regeneration combined unit with an ejector mainly comprises a refrigeration subsystem and a solution regeneration subsystem, the two subsystems are coupled by a condensation-solution heat exchanger, and the working medium pipeline connection mode is as follows: the refrigerating working medium outlet of the second compressor is connected with the refrigerating working medium inlet of the condensation-solution heat exchanger, the refrigerating working medium outlet of the condensation-solution heat exchanger is respectively connected with the refrigerating working medium inlet of the first throttling device, the refrigerating working medium inlet of the regulating valve and the refrigerating working medium inlet of the second throttling device, the refrigerating working medium outlet of the first compressor and the refrigerating working medium inlet of the second compressor are connected, the refrigerating working medium outlet of the regulating valve is connected with the primary fluid inlet of the first ejector, the refrigerating working medium outlet of the evaporator is connected with the secondary fluid inlet of the first ejector, the mixed fluid outlet of the first ejector is connected with the refrigerating working medium inlet of the first compressor, and the refrigerating working medium outlet of the second throttling device is connected with the refrigerating working medium inlet of the evaporator; the dehumidifying dilute solution return pipeline is connected with a dehumidifying dilute solution inlet of the condensing-solution heat exchanger, a dehumidifying dilute solution outlet of the condensing-solution heat exchanger is connected with a dehumidifying dilute solution inlet of the solution regenerator, a dehumidifying concentrated solution outlet of the solution regenerator is connected with a dehumidifying concentrated solution inlet of the solution cooler, and a dehumidifying concentrated solution outlet of the solution cooler is connected with a concentrated solution supply pipeline; the water vapor outlet of the solution regenerator is connected with the water vapor inlet of the supercharger, and the water vapor outlet of the supercharger is connected with the water vapor exhaust pipeline;
example 3
As shown in fig. 3, based on the disclosure of embodiment 1, the two-stage compression refrigeration-solution regeneration combined unit with an ejector mainly comprises a refrigeration subsystem and a solution regeneration subsystem, the two subsystems are coupled by a condensation-solution heat exchanger, and the working medium pipeline connection mode is as follows: the refrigerating working medium outlet of the second compressor is connected with the refrigerating working medium inlet of the condensation-solution heat exchanger, the refrigerating working medium outlet of the condensation-solution heat exchanger is respectively connected with the refrigerating working medium inlet of the first throttling device, the refrigerating working medium inlet of the regulating valve and the refrigerating working medium inlet of the second throttling device, the refrigerating working medium outlet of the first compressor and the refrigerating working medium inlet of the second compressor are connected, the refrigerating working medium outlet of the regulating valve is connected with the primary fluid inlet of the first ejector, the refrigerating working medium outlet of the evaporator is connected with the secondary fluid inlet of the first ejector, the mixed fluid outlet of the first ejector is connected with the refrigerating working medium inlet of the first compressor, and the refrigerating working medium outlet of the second throttling device is connected with the refrigerating working medium inlet of the evaporator; the dehumidifying dilute solution return pipeline is connected with a dehumidifying dilute solution inlet of the condensing-heat exchanger, a dehumidifying dilute solution outlet of the condensing-heat exchanger is connected with a dehumidifying dilute solution inlet of the solution regenerator, and a dehumidifying concentrated solution outlet of the solution regenerator is connected with a dehumidifying concentrated solution supply pipeline; the water vapor outlet of the solution regenerator is connected with the water vapor inlet of the supercharger, and the water vapor outlet of the supercharger is connected with the exhaust pipeline;
example 4
As shown in fig. 4, a two-stage compression type refrigeration-solution regeneration combined unit with an ejector mainly comprises a refrigeration subsystem and a solution regeneration subsystem, the two subsystems are coupled through a condensation-solution heat exchanger, and the working medium pipeline connection mode is as follows: the refrigerating medium outlet of the second compressor is connected with the refrigerating medium inlet of the condensing-solution heat exchanger, the refrigerating medium outlet of the condensing-solution heat exchanger is respectively connected with the refrigerating medium inlet of the first throttling device, the refrigerating medium inlet of the regulating valve and the refrigerating medium inlet of the second throttling device, the refrigerating medium outlet of the first throttling device is connected with the primary fluid inlet of the second ejector, the refrigerating medium inlet of the second compressor is connected with the mixed fluid outlet of the second ejector, the refrigerating medium outlet of the regulating valve and the refrigerating medium outlet of the evaporator are connected with the refrigerating medium inlet of the first compressor, the refrigerating medium outlet of the first compressor is connected with the secondary fluid inlet of the second ejector, and the refrigerating medium outlet of the second throttling device is connected with the refrigerating medium inlet of the evaporator; the dehumidifying dilute solution return pipeline is connected with a dehumidifying dilute solution inlet of the solution heat regenerator, a dehumidifying dilute solution outlet of the solution heat regenerator is connected with a dehumidifying dilute solution inlet of the condensing-solution heat exchanger, a dehumidifying dilute solution outlet of the condensing-solution heat exchanger is connected with a dehumidifying solution inlet of the solution regenerator, a dehumidifying concentrated solution outlet of the solution regenerator is connected with a dehumidifying concentrated solution inlet of the solution heat regenerator, a dehumidifying concentrated solution outlet of the solution heat regenerator is connected with a dehumidifying solution inlet of the solution cooler, and a dehumidifying concentrated solution outlet of the solution cooler is connected with a dehumidifying concentrated solution supply pipeline; a water vapor outlet of the solution regenerator is connected with a water vapor inlet of a supercharger, and the water vapor is pressurized by the supercharger and then enters an exhaust pipeline;
example 5
As shown in fig. 5, based on the disclosure of embodiment 1, the two-stage compression refrigeration-solution regeneration combined unit with an ejector mainly comprises a refrigeration subsystem and a solution regeneration subsystem, the two subsystems are coupled by a condensation-solution heat exchanger, and the working medium pipeline connection mode is as follows: the refrigerating medium outlet of the second compressor is connected with the refrigerating medium inlet of the condensing-solution heat exchanger, the refrigerating medium outlet of the condensing-solution heat exchanger is respectively connected with the refrigerating medium inlet of the first throttling device, the refrigerating medium inlet of the regulating valve and the refrigerating medium inlet of the second throttling device, the refrigerating medium outlet of the first throttling device is connected with the primary fluid inlet of the second ejector, the refrigerating medium inlet of the second compressor is connected with the mixed fluid outlet of the second ejector, the refrigerating medium outlet of the regulating valve and the refrigerating medium outlet of the evaporator are connected with the refrigerating medium inlet of the first compressor, the refrigerating medium outlet of the first compressor is connected with the secondary fluid inlet of the second ejector, and the refrigerating medium outlet of the second throttling device is connected with the refrigerating medium inlet of the evaporator; the dehumidifying dilute solution return pipeline is connected with a dehumidifying dilute solution inlet of the condensing-solution heat exchanger, a dehumidifying dilute solution outlet of the condensing-solution heat exchanger is connected with a dehumidifying dilute solution inlet of the solution regenerator, a dehumidifying concentrated solution outlet of the solution regenerator is connected with a dehumidifying concentrated solution inlet of the solution cooler, and a dehumidifying concentrated solution outlet of the solution cooler is connected with a concentrated solution supply pipeline; the water vapor outlet of the solution regenerator is connected with the steam inlet of the supercharger, and the steam outlet of the supercharger is connected with the water vapor exhaust pipeline;
example 6
As shown in fig. 6, based on the disclosure of embodiment 1, the two-stage compression refrigeration-solution regeneration combined unit with an ejector mainly comprises a refrigeration subsystem and a solution regeneration subsystem, the two subsystems are coupled by a condensation-solution heat exchanger, and the working medium pipeline connection mode is as follows: the refrigerating medium outlet of the second compressor is connected with the refrigerating medium inlet of the condensing-solution heat exchanger, the refrigerating medium outlet of the condensing-solution heat exchanger is respectively connected with the refrigerating medium inlet of the first throttling device, the refrigerating medium inlet of the regulating valve and the refrigerating medium inlet of the second throttling device, the refrigerating medium outlet of the first throttling device is connected with the primary fluid inlet of the second ejector, the refrigerating medium inlet of the second compressor is connected with the mixed fluid outlet of the second ejector, the refrigerating medium outlet of the regulating valve and the refrigerating medium outlet of the evaporator are connected with the refrigerating medium inlet of the first compressor, the refrigerating medium outlet of the first compressor is connected with the secondary fluid inlet of the second ejector, and the refrigerating medium outlet of the second throttling device is connected with the refrigerating medium inlet of the evaporator; the dehumidifying dilute solution return pipeline is connected with a dehumidifying dilute solution inlet of the condensing-heat exchanger, a dehumidifying dilute solution outlet of the condensing-heat exchanger is connected with a dehumidifying dilute solution inlet of the solution regenerator, and a dehumidifying concentrated solution outlet of the solution regenerator is connected with a dehumidifying concentrated solution supply pipeline; the water vapor outlet of the solution regenerator is connected with the water vapor inlet of the supercharger, and the water vapor outlet of the supercharger is connected with the exhaust pipeline;
example 7
As shown in fig. 7, based on the disclosure of embodiment 1, the two-stage compression refrigeration-solution regeneration combined unit with an ejector mainly comprises a refrigeration subsystem and a solution regeneration subsystem, the two subsystems are coupled by a condensation-solution heat exchanger, and the working medium pipeline connection mode is as follows: the refrigerating medium outlet of the second compressor is connected with the refrigerating medium inlet of the condensing-solution heat exchanger, the refrigerating medium outlet of the condensing-solution heat exchanger is respectively connected with the refrigerating medium inlet of the first throttling device, the refrigerating medium inlet of the regulating valve and the refrigerating medium inlet of the second throttling device, the refrigerating medium outlet of the first throttling device is connected with the primary fluid inlet of the second ejector, the refrigerating medium outlet of the first compressor is connected with the secondary fluid inlet of the second ejector, the mixed fluid outlet of the second ejector is connected with the refrigerating medium inlet of the second compressor, the refrigerating medium outlet of the regulating valve is connected with the primary fluid inlet of the first ejector, the refrigerating medium outlet of the evaporator is connected with the secondary fluid inlet of the first ejector, the mixed fluid outlet of the first ejector is connected with the refrigerating medium inlet of the first compressor, a refrigerating working medium outlet of the second throttling device is connected with a refrigerating working medium inlet of the evaporator; the dehumidifying dilute solution return pipeline is connected with a dehumidifying dilute solution inlet of the solution heat regenerator, a dehumidifying dilute solution outlet of the solution heat regenerator is connected with a dehumidifying dilute solution inlet of the condensing-solution heat exchanger, a dehumidifying dilute solution outlet of the condensing-solution heat exchanger is connected with a dehumidifying solution inlet of the solution regenerator, a dehumidifying concentrated solution outlet of the solution regenerator is connected with a dehumidifying concentrated solution inlet of the solution heat regenerator, a dehumidifying concentrated solution outlet of the solution heat regenerator is connected with a dehumidifying solution inlet of the solution cooler, and a dehumidifying concentrated solution outlet of the solution cooler is connected with a dehumidifying concentrated solution supply pipeline; a water vapor outlet of the solution regenerator is connected with a water vapor inlet of a supercharger, and the water vapor is pressurized by the supercharger and then enters an exhaust pipeline;
example 8
As shown in fig. 8, based on the disclosure of embodiment 1, the two-stage compression refrigeration-solution regeneration combined unit with an ejector mainly comprises a refrigeration subsystem and a solution regeneration subsystem, the two subsystems are coupled by a condensation-solution heat exchanger, and the working medium pipeline connection mode is as follows: the refrigerating medium outlet of the second compressor is connected with the refrigerating medium inlet of the condensing-solution heat exchanger, the refrigerating medium outlet of the condensing-solution heat exchanger is respectively connected with the refrigerating medium inlet of the first throttling device, the refrigerating medium inlet of the regulating valve and the refrigerating medium inlet of the second throttling device, the refrigerating medium outlet of the first throttling device is connected with the primary fluid inlet of the second ejector, the refrigerating medium outlet of the first compressor is connected with the secondary fluid inlet of the second ejector, the mixed fluid outlet of the second ejector is connected with the refrigerating medium inlet of the second compressor, the refrigerating medium outlet of the regulating valve is connected with the primary fluid inlet of the first ejector, the refrigerating medium outlet of the evaporator is connected with the secondary fluid inlet of the first ejector, the mixed fluid outlet of the first ejector is connected with the refrigerating medium inlet of the first compressor, a refrigerating working medium outlet of the second throttling device is connected with a refrigerating working medium inlet of the evaporator; the dehumidifying dilute solution return pipeline is connected with a dehumidifying dilute solution inlet of the condensing-solution heat exchanger, a dehumidifying dilute solution outlet of the condensing-solution heat exchanger is connected with a dehumidifying dilute solution inlet of the solution regenerator, a dehumidifying concentrated solution outlet of the solution regenerator is connected with a dehumidifying concentrated solution inlet of the solution cooler, and a dehumidifying concentrated solution outlet of the solution cooler is connected with a dehumidifying concentrated solution supply pipeline; the water vapor outlet of the solution regenerator is connected with the steam inlet of the supercharger, and the steam outlet of the supercharger is connected with the water vapor exhaust pipeline;
example 9
As shown in fig. 9, based on the disclosure of embodiment 1, the two-stage compression refrigeration-solution regeneration combined unit with an ejector mainly comprises a refrigeration subsystem and a solution regeneration subsystem, the two subsystems are coupled by a condensation-solution heat exchanger, and the working medium pipeline connection mode is as follows: the refrigerating medium outlet of the second compressor is connected with the refrigerating medium inlet of the condensing-solution heat exchanger, the refrigerating medium outlet of the condensing-solution heat exchanger is respectively connected with the refrigerating medium inlet of the first throttling device, the refrigerating medium inlet of the regulating valve and the refrigerating medium inlet of the second throttling device, the refrigerating medium outlet of the first throttling device is connected with the primary fluid inlet of the second ejector, the refrigerating medium outlet of the first compressor is connected with the secondary fluid inlet of the second ejector, the mixed fluid outlet of the second ejector is connected with the refrigerating medium inlet of the second compressor, the refrigerating medium outlet of the regulating valve is connected with the primary fluid inlet of the first ejector, the refrigerating medium outlet of the evaporator is connected with the secondary fluid inlet of the first ejector, the mixed fluid outlet of the first ejector is connected with the refrigerating medium inlet of the first compressor, a refrigerating working medium outlet of the second throttling device is connected with a refrigerating working medium inlet of the evaporator; the dehumidifying dilute solution return pipeline is connected with a dehumidifying dilute solution inlet of the condensing-heat exchanger, a dehumidifying dilute solution outlet of the condensing-heat exchanger is connected with a dehumidifying dilute solution inlet of the solution regenerator, and a dehumidifying concentrated solution outlet of the solution regenerator is connected with a dehumidifying concentrated solution pipeline; the water vapor outlet of the solution regenerator is connected with the water vapor inlet of the supercharger, and the water vapor outlet of the supercharger is connected with the exhaust pipeline;
embodiment 10
As shown in fig. 10, the two-stage compression type refrigeration-solution regeneration combined unit with the ejector mainly comprises a refrigeration subsystem and a solution regeneration subsystem. A refrigeration subsystem: the refrigerating working medium outlet of the second compressor is connected with the refrigerating working medium inlet of the condensing-solution regenerator, the refrigerating working medium outlet of the condensing-solution regenerator is respectively connected with the first throttling device, the regulating valve is connected with a second throttling device, a refrigerating working medium outlet of the second throttling device is connected with a refrigerating working medium inlet of the evaporator, a refrigerating working medium outlet of the evaporator is connected with a secondary fluid inlet of the first ejector, a primary fluid outlet of the first ejector is connected with a refrigerating working medium outlet of the regulating valve, a mixed fluid outlet of the first ejector is connected with a refrigerating working medium inlet of the first compressor, a refrigerating working medium outlet of the first compressor is connected with a secondary fluid inlet of the second ejector, a primary fluid inlet of the second ejector is connected with a refrigerating working medium outlet of the first throttling device, a mixed fluid outlet of the second ejector is connected with a refrigerating working medium inlet of the second compressor, and a refrigerating working medium outlet of the second compressor is connected with a refrigerating working medium inlet of the condensing-; the dehumidifying dilute solution return pipeline is connected with a dehumidifying dilute solution inlet of a condensing-solution regenerator, a dehumidifying concentrated solution outlet of the condensing-solution regenerator is connected with a dehumidifying concentrated solution inlet of a solution cooler, and a dehumidifying concentrated solution outlet of the solution cooler is connected with a dehumidifying concentrated solution supply pipeline; the water vapor outlet of the condensation-solution regenerator is connected with the water vapor inlet of the supercharger, and the water vapor outlet of the supercharger is connected with the water vapor discharge pipeline.
The present invention is not limited to the above embodiments, and any changes or substitutions that can be easily made by those skilled in the art within the technical scope of the present invention are also within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (1)
1. The utility model provides a take doublestage compression refrigeration-solution regeneration combined unit of sprayer which characterized in that includes: the system comprises a refrigeration subsystem and a solution regeneration subsystem, wherein the two subsystems are coupled into a whole through a condensation-solution heat exchanger or a condensation-solution regenerator, so that the condensation heat of the compression refrigeration subsystem is used as a driving heat source of the solution regeneration subsystem;
the refrigeration subsystem includes:
a refrigerating working medium outlet of the second compressor is connected with a refrigerating working medium inlet of the condensation-solution heat exchanger or the condensation-solution regenerator, a refrigerating working medium outlet of the condensation-solution heat exchanger or the condensation-solution regenerator is respectively connected with a refrigerating working medium inlet of the first throttling device and a refrigerating working medium inlet of the second throttling device, a refrigerating working medium outlet of the first compressor and a refrigerating working medium inlet of the second compressor are connected, a refrigerating working medium outlet of the second throttling device is connected with a refrigerating working medium inlet of the evaporator, and a refrigerating working medium outlet of the evaporator is connected with a refrigerating working medium inlet of the first compressor;
the refrigeration subsystem is additionally provided with a regulating valve and a first ejector between a refrigeration working medium inlet of the second throttling device and a refrigeration working medium inlet of the first compressor, a refrigeration working medium outlet of the regulating valve is connected with a primary fluid inlet of the first ejector, a refrigeration working medium outlet of the evaporator is connected with a secondary fluid inlet of the first ejector, and a mixed fluid outlet of the first ejector is connected with a refrigeration working medium inlet of the first compressor;
the refrigeration subsystem is additionally provided with a second ejector between a refrigeration working medium outlet of the first throttling device and a refrigeration working medium inlet of the second compressor, the refrigeration working medium outlet of the first throttling device is connected with a primary fluid inlet of the second ejector, the refrigeration working medium outlet of the first compressor is connected with a secondary fluid inlet of the second ejector, and a mixed fluid outlet of the second ejector is connected with the refrigeration working medium inlet of the second compressor to replace a pipeline among the original first throttling device, the original first compressor and the original second compressor;
the solution regeneration subsystem includes: the dehumidifying dilute solution return pipeline is connected with a dehumidifying dilute solution inlet of the condensing-solution heat exchanger, a dehumidifying dilute solution outlet of the condensing-solution heat exchanger is connected with a dehumidifying dilute solution inlet of the solution regenerator, and a dehumidifying concentrated solution outlet of the solution regenerator is connected with a dehumidifying concentrated solution supply pipeline; the water vapor outlet of the solution regenerator is connected with the water vapor inlet of the supercharger, and the water vapor outlet of the supercharger is connected with the exhaust pipeline; the supercharger is a compressor or an air extractor or a vacuum pump;
the solution regeneration subsystem is provided with a solution cooler and a solution heat regenerator between a dehumidifying concentrated solution outlet of the solution regenerator and a dehumidifying concentrated solution supply pipeline, the dehumidifying dilute solution return pipeline is connected with a dehumidifying dilute solution inlet of the solution heat regenerator, a dehumidifying dilute solution outlet of the solution heat regenerator is connected with a dehumidifying dilute solution inlet of the condensing-solution heat exchanger, a dehumidifying concentrated solution outlet of the solution heat regenerator is connected with a dehumidifying solution inlet of the solution cooler, and a dehumidifying concentrated solution outlet of the solution cooler is connected with a dehumidifying concentrated solution supply pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810556730.8A CN109059340B (en) | 2018-06-01 | 2018-06-01 | Two-stage compression type refrigeration-solution regeneration combined unit with ejector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810556730.8A CN109059340B (en) | 2018-06-01 | 2018-06-01 | Two-stage compression type refrigeration-solution regeneration combined unit with ejector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109059340A CN109059340A (en) | 2018-12-21 |
| CN109059340B true CN109059340B (en) | 2020-12-25 |
Family
ID=64819853
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810556730.8A Expired - Fee Related CN109059340B (en) | 2018-06-01 | 2018-06-01 | Two-stage compression type refrigeration-solution regeneration combined unit with ejector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109059340B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1869551A (en) * | 2005-05-24 | 2006-11-29 | 株式会社电装 | Ejector and ejector cycle device |
| CN101762109A (en) * | 2008-12-15 | 2010-06-30 | 株式会社电装 | Ejector-type refrigerant cycle device |
| CN101952670A (en) * | 2008-04-18 | 2011-01-19 | 株式会社电装 | Ejector-type refrigeration cycle device |
| CN103229007A (en) * | 2010-11-30 | 2013-07-31 | 开利公司 | Ejector cycle |
| CN107270443A (en) * | 2017-06-06 | 2017-10-20 | 江苏格瑞力德空调制冷设备有限公司 | A kind of many solution circulation air conditioner units of heat pump driven double-condenser |
| CN107677010A (en) * | 2017-08-30 | 2018-02-09 | 北京建筑大学 | A kind of air-conditioning system and control method of no dew point control |
-
2018
- 2018-06-01 CN CN201810556730.8A patent/CN109059340B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1869551A (en) * | 2005-05-24 | 2006-11-29 | 株式会社电装 | Ejector and ejector cycle device |
| CN101952670A (en) * | 2008-04-18 | 2011-01-19 | 株式会社电装 | Ejector-type refrigeration cycle device |
| CN101762109A (en) * | 2008-12-15 | 2010-06-30 | 株式会社电装 | Ejector-type refrigerant cycle device |
| CN103229007A (en) * | 2010-11-30 | 2013-07-31 | 开利公司 | Ejector cycle |
| CN107270443A (en) * | 2017-06-06 | 2017-10-20 | 江苏格瑞力德空调制冷设备有限公司 | A kind of many solution circulation air conditioner units of heat pump driven double-condenser |
| CN107677010A (en) * | 2017-08-30 | 2018-02-09 | 北京建筑大学 | A kind of air-conditioning system and control method of no dew point control |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109059340A (en) | 2018-12-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203848433U (en) | Heat pipe and heat pump dual-mode air conditioner with evaporative condenser | |
| CN101975428B (en) | Air-cooling type machine room air-conditioning system | |
| CN107521698B (en) | Environment control system waste heat refrigerating device | |
| CN103775148A (en) | Self-cooled thermal power acting method | |
| CN203978773U (en) | A kind of air compression system having from precooling function | |
| CN108679879B (en) | Compression heat pump-based cold and heat source comprehensive utilization system for medium and high temperature mine | |
| CN104457020B (en) | Method for improving efficiency of compressed air energy storage system by utilizing compressed heat refrigeration | |
| CN108019974B (en) | Primary throttling and intermediate incomplete cooling heat pump system for intermediate air supplementing | |
| CN211931165U (en) | Oil-free efficient refrigerating system for data center | |
| CN218120237U (en) | Heat exchange system | |
| CN101975494B (en) | Air-cooled energy-saving type motor room air conditioning system | |
| CN109059340B (en) | Two-stage compression type refrigeration-solution regeneration combined unit with ejector | |
| CN205048788U (en) | Air source heat pump unit is used in high -efficient crude oil heating | |
| CN110617591A (en) | Intelligent vortex injection energy-saving air conditioner | |
| CN115289702A (en) | Heat exchange system | |
| CN102338503A (en) | Air-conditioning refrigeration equipment | |
| CN202581918U (en) | Air conditioning refrigeration equipment | |
| CN104110914A (en) | Piston-type high-temperature heat pump device for waste heat recovery | |
| CN108954905A (en) | A kind of overlapping compression-type refrigeration with injector-compound unit of solution regeneration | |
| CN108489129A (en) | A kind of double-stage compressive refrigerating system | |
| CN103175277A (en) | Dual-mode refrigerating system and method | |
| CN103017503A (en) | Split type heat pump drying machine set | |
| CN102506471A (en) | Liquor regenerating unit and method thereof | |
| CN110849032A (en) | Compressor waste heat driven compression-injection refrigerating system | |
| CN204115283U (en) | Condensing unit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201225 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |