CN203478679U - Liquid refrigerator with steam ejector refrigeration function - Google Patents
Liquid refrigerator with steam ejector refrigeration function Download PDFInfo
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- CN203478679U CN203478679U CN201320532210.6U CN201320532210U CN203478679U CN 203478679 U CN203478679 U CN 203478679U CN 201320532210 U CN201320532210 U CN 201320532210U CN 203478679 U CN203478679 U CN 203478679U
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- water
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- condenser
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- cold liquid
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/27—Relating to heating, ventilation or air conditioning [HVAC] technologies
- Y02A30/274—Relating to heating, ventilation or air conditioning [HVAC] technologies using waste energy, e.g. from internal combustion engine
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Abstract
The utility model provides a liquid refrigerator with a steam ejector refrigeration function. The liquid refrigerator comprises an evaporator and a secondary refrigerant box. An outlet end of the evaporator is connected with an inlet end of a condenser by a compressor, a generator is arranged between the compressor and the condenser, a main heat exchange tube is arranged inside the generator, an outlet of the compressor is connected with an inlet of the main heat exchange tube, and an outlet of the main heat exchange tube is connected with the inlet end of the condenser; an outlet end of the generator is connected with an inlet end of a water-cooled condenser by an ejector, an outlet end of the water-cooled condenser is respectively connected with an inlet end of a water-water heat exchanger and an inlet end of the generator, and an outlet end of the water-water heat exchanger is connected with an inlet end of the ejector. The liquid refrigerator has the advantages that a power source can be generated in the generator by the aid of exhaust heat of the compressor, so that high-temperature steam ejector refrigeration cycles can be driven; refrigerating capacity can be generated in the water-water heat exchanger in an exchange manner and is added to refrigerating capacity of the compressor, accordingly, the overall efficacy of the liquid refrigerator can be improved, the liquid refrigerator is high in efficiency, and energy can be saved.
Description
Technical field
The utility model relates to a kind of cold liquid machine, is specifically related to a kind of cold liquid machine with steam jet refrigeration.
Background technology
Cold liquid machine (or claim cooling-water machine) is a kind ofly by both vapor compression or absorption circulating refrigerant, to flow through heat exchanger and reach the object to air or equipment cooling.Mainly to form cooling cycle system by evaporimeter → compressor → check valve → condenser → device for drying and filtering → reservoir → electric expansion valve → evaporimeter.Be that cold-producing medium absorbs the heat of cooled object and is vaporized into steam in evaporimeter, compressor is constantly extracted the steam of generation out from evaporimeter, and compress, high temperature after compression, high steam are sent to the backward cooling medium of condenser (as water, air etc.) heat release and are condensed into highly pressurised liquid, after throttle mechanism step-down, entering evaporimeter, again vaporize, absorb the heat of the object that is cooled, circulation so again and again realizes refrigeration.
Medium-and-large-sized cold liquid owner will utilize compressor cooling circulation and refrigerating medium to circulate to realize cooling object at present.This class unit in hot-zone, industry or military field be when used, compressor is often because evaporating temperature is compared with the high exhaust problems of excessive heat of bringing, overheated exhaust need to take a large amount of condenser areas, thereby affect refrigerating capacity and the heat exchange efficiency of cold liquid unit, and bring the volume that increases unit and the problem that increases cost and occupation of land.Meanwhile, compressor air-discharging is overheated also can affect compressor service life.
Utility model content
The utility model will solve above-mentioned deficiency exactly, and a kind of cold liquid machine with steam jet refrigeration is provided, and improves the operation usefulness of the medium-and-large-sized cold liquid machine of technical grade or specific use, realizes efficient, energy-conservation.
In order to reach above-mentioned effect, the utility model provides a kind of cold liquid machine with steam jet refrigeration, comprise evaporimeter and refrigerating medium case, the port of export of described evaporimeter is connected with the arrival end of condenser by compressor, the centre of described compressor and condenser is provided with generator, described generator inside is provided with main heat exchange pipe, and the outlet of described compressor is connected with the entrance of main heat exchange pipe, and the outlet of described main heat exchange pipe is connected with the arrival end of condenser; The port of export of described generator is connected with the arrival end of water-cooled condenser by injector, the port of export of described water-cooled condenser is connected with the arrival end of water water-to-water heat exchanger, generator respectively, and the port of export of described water water-to-water heat exchanger is connected with the arrival end of described injector.
In order to increase the temperature in generator, in described generator, be provided with auxiliary heat-exchanging pipe, described auxiliary heat-exchanging pipe is positioned at the top of main heat exchange pipe.Auxiliary heat-exchanging pipe is the thermal compensation as the heat radiation of main heat exchange pipe.
Further, described auxiliary heat-exchanging pipe is electric heating tube.
Further, the port of export of described water-cooled condenser is connected with described water water-to-water heat exchanger by water expansion valve.
The port of export of described water-cooled condenser is connected with the arrival end of described generator by water pump.
Preferably, described water water-to-water heat exchanger inside is provided with the coil pipe for the refrigerating medium that circulates, and the outlet of described coil pipe is communicated with refrigerating medium case, and coil pipe entrance is connected with the port of export of feed pump for delivery of refrigerating medium by control valve.In the coil pipe of water water-to-water heat exchanger, walk refrigerating medium, coil pipe is walked jeting circulating water outward, realizes the heat exchange of refrigerating medium and jeting circulating water.Refrigerating medium can lead to be increased branch in supercooled liquid machine and realizes, and the cold swapping out can directly be sent refrigerating medium case back to, or for other purposes.
Described injector comprises air-breathing section, mixing chamber and diffuser, is provided with spout in described air-breathing section, and described spout small end is provided with nozzle; Described air-breathing section is provided with two entrances, and air-breathing section is communicated with diffuser through mixing chamber, and the other end of described diffuser is provided with outlet.
Further, the centre of described generator and condenser is provided with check valve.
In order to improve heat exchange efficiency, make generator top more easily produce steam.Described main heat exchange pipe is longitudinally arranged on the bottom of generator, its entrance upper, outlet under.The exhaust that is compressor is to enter from the upper inlet of main heat exchange pipe, from lower outlet, flows out, and through check valve, flows in condenser and carries out heat release again.
Its inside of generator in the utility model is provided with main heat exchange pipe and auxiliary heat-exchanging pipe, and auxiliary heat-exchanging pipe is above main heat exchange pipe.Wherein by spiral coil from top to bottom, the exhaust of compressor is to enter from the upper inlet of main heat exchange pipe to main heat exchange pipe, from lower outlet, flows out.Its coil lengths, size require and determine according to the overheated of compressor and system heat exchange; Auxiliary heat-exchanging pipe is that electric heating tube direct-electrifying is realized auxiliary heating steam.Its generator is generally cylindrical structure, and vertical display is pressure-containing member.
It is that spy sets up high-temperature vapor jet refrigeration circulation system on common cold liquid machine basis that the utility model provides a kind of cold liquid machine with steam jet refrigeration.This high-temperature vapor jet refrigeration circulation system does not directly consume mechanical energy, no-rotary part except water pump, and without lubricating oil, operating cost is low.The major impetus of high-temperature vapor jet circulating system is carried out the compressor air-discharging heat of self cooling liquid machine, utilize compressor air-discharging heat in generator, to produce power source, drive high-temperature vapor jet refrigeration circulation, and displace cold in water water-to-water heat exchanger, superpose with compressor refrigerating capacity, form cold liquid machine overall refrigerating effect, thereby improved cold liquid machine whole effect.
The steam that compressor produces evaporimeter is compressed into high temperature, high steam, by the main heat exchange pipe in generator, carries out heat exchange, reduces compressor air-discharging heat, thereby reduces the condensation area of condenser, and circulating water heating in generator is become to high-temperature high-pressure steam simultaneously, through its upper port, flow out, by the nozzle expansion in injector and with ejection at a high speed, at nozzle, cause very low pressure, attract low-pressure water steam in water water-to-water heat exchanger to enter air-breathing section, at mixing chamber, mix, enter together again injector diffuser, and flow velocity reduces in diffuser, after pressure raises, from its outlet, enter and water-cooled condenser, emit heat and condense into liquid water, and be divided into two-way, one tunnel enters water water-to-water heat exchanger through water expansion valve reducing pressure by regulating flow, another road is driven into generator through water pump, thereby complete high-temperature vapor jet refrigeration circulation.When normal operation, the cold taking out from water water-to-water heat exchanger and jeting circulating water absorb heat and reach balance.
In order to allow the normal operation of high-temperature vapor jet refrigeration circulation, the most important thing is to solve thermal source.When compressor bank is worked, Normal squeezing machine delivery temperature is between 80 ℃～120 ℃.While moving in hot-zone especially, compressor exhaust temperature is generally more than 90 ℃.So, this temperature directly to be imported in generator exactly, make the water generates steam in generator, and compact pressure.When shortage of heat, available auxiliary heat exchanger tube adds thermal compensation.Generally inner at generator, steam temperature can be controlled in 100 ℃ of left and right, if be increased to 120 ℃ little to performance impact, so under design discharge, generator size needs appropriate design, needn't too pursue too high steam temperature.In water water-to-water heat exchanger, the evaporating temperature general control of jeting circulating water, between 5～12 ℃, meets refrigerating medium and sprays and follow the heat transfer temperature difference between water.In use, the increase along with the injection rate (>0.4) of injector, also can improve unit efficiency.
So the utility model has following beneficial effect compared to existing technology:
1, by setting up high-temperature vapor jet refrigeration circulation system on the basis at existing cold liquid machine, utilize compressor air-discharging heat in generator, to produce power source, drive high-temperature vapor jet refrigeration circulation, and displace cold in water water-to-water heat exchanger, superpose with compressor refrigerating capacity, form cold liquid machine overall refrigerating effect, thereby improved cold liquid machine whole effect, realize energy-efficient.
2, make full use of compressor air-discharging overheated, change unfavorable factor is favorable factor, produces power source in generator, drives high-temperature vapor jet refrigeration circulation, reduces area and the floor space of condenser, and has improved the refrigeration of cold liquid machine.
3, high-temperature vapor spray cycle is to utilize compressor air-discharging heat in generator, to produce power source, does not directly consume mechanical energy, and without lubricating oil, its operating cost is low.
4, because the main heat exchange pipe top in generator is provided with electric heater as auxiliary heat-exchanging pipe, increase the temperature of the steam in generator, guarantee the operation of high-temperature vapor jet refrigeration circulation.Simultaneously main heat exchange pipe be longitudinally to arrange, and its compressor steam discharge entrance is upper, export under, can make generator top more easily produce steam.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Fig. 1 is the utility model structural principle schematic diagram.
Fig. 2 is the emitter construction schematic diagram of the utility model structure.
In figure: 1-evaporimeter, 2-electric expansion valve, 3-reservoir, 4-device for drying and filtering, 5-condenser, 6-check valve, 7-compressor, 8-water pump, 9-generator, 10-injector, 11-water-cooled condenser, 12-water water-to-water heat exchanger, 13-water expansion valve, 14-refrigerating medium case, 15-feed pump, 16-control valve;
10-1,10-2 entrance, 10-3 outlet, 10-4 diffuser, 10-5 mixing chamber, air-breathing section of 10-6,10-7 nozzle, 10-8 spout.
The specific embodiment
As shown in Figure 1, a kind of cold liquid machine with steam jet refrigeration, comprise evaporimeter 1 and refrigerating medium case 14, the port of export of described evaporimeter 1 is connected to form cold-producing medium kind of refrigeration cycle by compressor 7, check valve 6, condenser 5, device for drying and filtering 4, reservoir 3, electric expansion valve 2 successively.Described compressor 7 is provided with generator 9 with the centre of condenser 5, described generator 9 bottoms are provided with the main heat exchange pipe of longitudinal setting, the top of main heat exchange pipe is provided with electric heating tube as auxiliary heat-exchanging, the outlet of compressor 7 is connected with the entrance that is positioned at top of main heat exchange pipe, and the lower outlet of main heat exchange pipe is connected with the arrival end of condenser 5 by check valve 6; The port of export of generator 9 is connected with the arrival end of water-cooled condenser 11 by injector 10, the port of export of described water-cooled condenser 11 is connected with the arrival end of generator 9 by water pump 8 with the port of export of water water-to-water heat exchanger 12, water-cooled condenser 11 by water expansion valve 13, and the port of export of water water-to-water heat exchanger 12 is connected with the arrival end of injector 10.
Preferably, described water water-to-water heat exchanger 12 inside are provided with the coil pipe for the refrigerating medium that circulates, and the outlet of described coil pipe is communicated with refrigerating medium case 14, and coil pipe entrance is connected with the port of export of feed pump 15 for delivery of refrigerating medium by control valve 16.In the coil pipe of water water-to-water heat exchanger 12, walk refrigerating medium, coil pipe is walked jeting circulating water outward, realizes the heat exchange of refrigerating medium and jeting circulating water.
As shown in Figure 2, in air-breathing section of 10-6 of injector 10, be provided with spout 10-8, described spout small end is provided with nozzle 10-7; Described air-breathing section of 10-6 is provided with two entrance 10-1 and 10-2, and air-breathing section of 10-6 is communicated with diffuser 10-4 through mixing chamber 10-5, and the other end of diffuser 10-4 is provided with outlet 10-3.
The compressor cooling circulation of this device is refrigerant circulation: compressor 7 → generator 9 → check valve 6 → condenser 5 → device for drying and filtering 4 → reservoir 3 → electric expansion valve 2 → evaporimeter 1 → compressor 7.Meanwhile, high-temperature vapor jet refrigeration circulation: generator 9 → injector 10 → water-cooled condenser 11, it leads up to water expansion valve 13 → water water-to-water heat exchanger 12 → injector 10, separately leads up to water pump 8 → generator 9.
More descriptions are not done in the circulation of refrigerating medium feed flow yet, determine as required, relevant to this patent: on the main line of feed pump 15 outlet of refrigerating medium, to be provided with Yi Ge branch, and access control valve 16, and the outlet of control valve 16 is connected to the coil pipe entrance for the refrigerating medium that circulates of water water-to-water heat exchanger 12 inside, and the coil pipe of water water-to-water heat exchanger 12 outlet refrigerating medium can be connected in refrigerating medium case 14, or for other purposes.
The above embodiment is only preferred embodiment of the present utility model; but the utility model is not limited to above-mentioned embodiment; for persons skilled in the art; the any apparent change of under the prerequisite that does not deviate from the utility model principle, it being done, all belongs to the protection domain of design of the present utility model and claims.
Claims (9)
1. a cold liquid machine with steam jet refrigeration, comprise evaporimeter and refrigerating medium case, the port of export of described evaporimeter is connected with the arrival end of condenser by compressor, it is characterized in that: the centre of described compressor and condenser is provided with generator, described generator inside is provided with main heat exchange pipe, the outlet of described compressor is connected with the entrance of main heat exchange pipe, and the outlet of described main heat exchange pipe is connected with the arrival end of condenser; The port of export of described generator is connected with the arrival end of water-cooled condenser by injector, the port of export of described water-cooled condenser is connected with the arrival end of water water-to-water heat exchanger, generator respectively, and the port of export of described water water-to-water heat exchanger is connected with the arrival end of described injector.
2. the cold liquid machine with steam jet refrigeration according to claim 1, is characterized in that: in described generator, be provided with auxiliary heat-exchanging pipe, described auxiliary heat-exchanging pipe is positioned at the top of main heat exchange pipe.
3. the cold liquid machine with steam jet refrigeration according to claim 1, is characterized in that: the port of export of described water-cooled condenser is connected with described water water-to-water heat exchanger by water expansion valve.
4. the cold liquid machine with steam jet refrigeration according to claim 1, is characterized in that: the port of export of described water-cooled condenser is connected with the arrival end of described generator by water pump.
5. the cold liquid machine with steam jet refrigeration according to claim 1, it is characterized in that: described water water-to-water heat exchanger inside is provided with the coil pipe for the refrigerating medium that circulates, the outlet of described coil pipe is communicated with refrigerating medium case, and coil pipe entrance is connected with the port of export of feed pump for delivery of refrigerating medium by control valve.
6. the cold liquid machine with steam jet refrigeration according to claim 1, is characterized in that: described injector comprises air-breathing section, mixing chamber and diffuser, is provided with spout in described air-breathing section, and described spout small end is provided with nozzle; Described air-breathing section is provided with two entrances, and air-breathing section is communicated with diffuser through mixing chamber, and the other end of described diffuser is provided with outlet.
7. the cold liquid machine with steam jet refrigeration according to claim 1, is characterized in that: the centre of described generator and condenser is provided with check valve.
8. the cold liquid machine with steam jet refrigeration according to claim 1, is characterized in that: described main heat exchange pipe is longitudinally arranged on the bottom of generator, its entrance upper, outlet under.
9. the cold liquid machine with steam jet refrigeration according to claim 2, is characterized in that: described auxiliary heat-exchanging pipe is electric heating tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320532210.6U CN203478679U (en) | 2013-08-29 | 2013-08-29 | Liquid refrigerator with steam ejector refrigeration function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320532210.6U CN203478679U (en) | 2013-08-29 | 2013-08-29 | Liquid refrigerator with steam ejector refrigeration function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203478679U true CN203478679U (en) | 2014-03-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320532210.6U Expired - Fee Related CN203478679U (en) | 2013-08-29 | 2013-08-29 | Liquid refrigerator with steam ejector refrigeration function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203478679U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103453686A (en) * | 2013-08-29 | 2013-12-18 | 合肥天鹅制冷科技有限公司 | Liquid cooler with steam injection cooling function |
| CN103836834A (en) * | 2014-03-18 | 2014-06-04 | 北京建筑大学 | Ejecting-compressing combined heat pump set |
| CN105157190A (en) * | 2015-10-10 | 2015-12-16 | 钟小强 | Multi-union injection heat recovery unit |
| CN110486981A (en) * | 2019-09-19 | 2019-11-22 | 刘国跃 | A kind of refrigerating plant |
-
2013
- 2013-08-29 CN CN201320532210.6U patent/CN203478679U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103453686A (en) * | 2013-08-29 | 2013-12-18 | 合肥天鹅制冷科技有限公司 | Liquid cooler with steam injection cooling function |
| CN103836834A (en) * | 2014-03-18 | 2014-06-04 | 北京建筑大学 | Ejecting-compressing combined heat pump set |
| CN105157190A (en) * | 2015-10-10 | 2015-12-16 | 钟小强 | Multi-union injection heat recovery unit |
| CN110486981A (en) * | 2019-09-19 | 2019-11-22 | 刘国跃 | A kind of refrigerating plant |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140312 Termination date: 20160829 |