CN104896817A - Exhaust heat recovering device for compressor of refrigerating system - Google Patents
Exhaust heat recovering device for compressor of refrigerating system Download PDFInfo
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- CN104896817A CN104896817A CN201510358553.9A CN201510358553A CN104896817A CN 104896817 A CN104896817 A CN 104896817A CN 201510358553 A CN201510358553 A CN 201510358553A CN 104896817 A CN104896817 A CN 104896817A
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- water
- compressor
- blast pipe
- sleeve pipe
- pipe
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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
- F25B31/00—Compressor arrangements
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
- Y02P80/15—On-site combined power, heat or cool generation or distribution, e.g. combined heat and power [CHP] supply
Abstract
The invention provides an exhaust heat recovering device for a compressor of a refrigerating system, belongs to the technical field of energy saving equipment, and aims at solving the problem that the use safety of water is to be protected while the heat recovery rate is increased. The refrigerating system comprises the compressor, an oil separator, a condenser and an exhaust pipe, wherein the exhaust pipe is divided into a first exhaust pipe which is connected between the compressor and the oil separator, and a second exhaust pipe connected between the oil separator and the condenser. The heat recovering device comprises a water storing insulation box, and sleeves which respectively sleeve the first exhaust pipe and the second exhaust pipe; two ends of the sleeves are sealed to the outside through sealing structures; annular water running cavities are formed between the sleeves and the exhaust pipe; the sleeves are communicated through a pipeline; a water feeding end and a water discharging end are arranged on each sleeve, wherein the water discharging end is communicated with the water storing insulation box through the pipeline. According to the device, the exhaust pipes are externally sleeved with the sleeves to form the small water running cavities through which heat radiated before tap water enters the water storing insulation box can be reduced, and the heat recovery rate of a refrigerant can be increased.
Description
Technical field
The invention belongs to energy-saving equipment technical field, relate to the exhaust gas heat reclaimer of compressor in a kind of refrigeration system.
Background technology
Compressor is a kind of driven fluid machinery, and Main Function is that low-pressure gas is promoted to gases at high pressure, is the heart of refrigeration system.It sucks the refrigerant gas of low-temp low-pressure from air intake duct, after driving piston to compress it by motor rotation, discharge the refrigerant gas of HTHP to blast pipe, for kind of refrigeration cycle provides power, thus realize the kind of refrigeration cycle of compression, condensation, expansion, evaporation.Wherein, the gas that blast pipe is discharged contains higher heat, if directly this part heat directly to be discharged in condensation process the waste that will cause the energy.Therefore, the recovery of this part heat had huge economic benefit.
In order to solve above-mentioned Problems existing, as Chinese patent [application number: 200510042167.5, publication number: CN1673652A] disclose a kind of heat exchanger for whole heat recovering refrigerating, comprise housing, the tube sheet at its two ends, refrigerant gas entrance on heat exchanger tube and housing and refrigerant liquid outlet, tube sheet all connects hydroecium shrouding, equal upper and lower two demarcation strips of lateral connection in hydroecium, hydroecium is divided into, in, lower three parts, the top of hydroecium shrouding is connected with reclaims hot water water inlet pipe and water outlet pipe, communicate with top hydroecium respectively, middle part is connected with cooling water water inlet pipe and water outlet pipe, communicate with middle part hydroecium respectively, bottom is connected with running water moisturizing water inlet pipe and water outlet pipe and communicates with bottom hydroecium respectively, on, in, bottom hydroecium is respectively with upper, in, bottom heat exchanger tube communicates, in formation, in, lower three water circulation systems, thus by the condensing units of refrigeration system.
But there is following defect in above-mentioned heat recovering refrigerating heat exchanger: 1, above-mentioned heat exchanger is only applicable to the refrigeration system of shell-and-tube cooler, poor universality; Have employed welding point between the exchanger tubes and tubesheets of 2, shell-and-tube cooler to connect, easily occur leak and cause cold-producing medium to mix with hot water, bring water safety accident, the security reliability of equipment is poor; 3, blast pipe is placed on inside large hydroecium and carries out heat recovery by above-mentioned heat exchanger employing, because hydroecium area is large, water-flowing amount is many, the hot water of higher heat cannot be recovered to, and the flow velocity of refrigerant gas is very fast, cannot fast by heat absorption before cold-producing medium enters condenser, heat recovery efficiency is lower; Meanwhile, area of dissipation is large, and heat recovery rate is low.
Summary of the invention
The object of the invention is to there are the problems referred to above for existing technology, propose the exhaust gas heat reclaimer of compressor in a kind of refrigeration system, the technical problem that the present invention solves how improving heat recovery rate while, to ensure water safety.
Object of the present invention realizes by following technical proposal: the exhaust gas heat reclaimer of compressor in a kind of refrigeration system, described refrigeration system comprises compressor, oil eliminator, condenser and blast pipe, described blast pipe is divided into the blast pipe one be connected between described compressor and oil eliminator and the blast pipe two be connected between described oil eliminator and condenser, it is characterized in that, described thermal recovery unit comprises water storage incubator and is set in the sleeve pipe on blast pipe one and blast pipe two respectively, the two ends of described sleeve pipe are all sealed with extraneous by hermetically-sealed construction, water flowing chamber is in the form of a ring formed between described sleeve pipe and blast pipe, pipeline communication is passed through between described sleeve pipe, described sleeve pipe have water inlet end and water side, described water side is communicated with water storage incubator by pipeline.
In refrigeration systems, the high temperature refrigerant gas that compressor is discharged enters oil eliminator by blast pipe, is separated the lubricating oil in removing gas, then enters condenser condenses by blast pipe and become liquid through gs-oil separator.The operation principle of this exhaust gas heat reclaimer is: by sheathed sleeve pipe outside blast pipe, and sealed at sleeve pipe two ends, make to form water flowing chamber between sleeve pipe and blast pipe; During heat recovery, the water inlet end of sleeve pipe and water source are connected, now in water flowing chamber, be full of the running water of flowing, by the running water that constantly flows by the heat absorption of blast pipe inner refrigerant, and enter water storage incubator and store and carry out thermal resource utilization;
Because the space in water flowing chamber is less, decreasing running water flowing to the heat in water storage incubator process distributes, and absorbs heat and concentrate, and the hot water temperature of recovery is higher, and then improves the rate of recovery of cold-producing medium heat; Tap water flow velocity simultaneously in water flowing chamber is relatively very fast, can the cold-producing medium in blast pipe enter condenser before to greatest extent by heat absorption, improve the organic efficiency of cold-producing medium heat; On the other hand, because running water is positioned at the outside of blast pipe all the time, and be less likely to occur between cold-producing medium to mix, the safety of recovery water can be ensured; In addition, the outer independently outer setting of this thermal recovery unit, to any requirement useless of the type of condenser, can use and various refrigeration system, versatility is good.
In above-mentioned refrigeration system compressor exhaust gas heat reclaimer in, the circulation area in described water flowing chamber is less than the circulation area of blast pipe.Because the free air space in water flowing chamber is little, tap water flow velocity is relatively very fast, can either fast by heat absorption before cold-producing medium enters condenser, running water can be reduced again flowing to the heat before water storage incubator and distribute, heat absorption is concentrated, the hot water temperature reclaimed is higher, thus improves the rate of recovery and the organic efficiency of cold-producing medium heat.
In above-mentioned refrigeration system compressor exhaust gas heat reclaimer in, described thermal recovery unit also comprises audible-visual annunciator and is arranged on the pH value detection sensing instrument of water side, described water storage incubator is provided with water solenoid valve, described pH value detects sensing instrument and sends opening or closing of instruction control water solenoid valve and audible-visual annunciator by controller.Water side is arranged on by pH value being detected sensing instrument, if pH value detects sensing instrument and the pH value of pH value higher than running water detected, so to controller generation signal, controller receives the later control water solenoid valve of signal and cuts out and open audible-visual annunciator warning, thus ensures the use hot water of people's safety.
In above-mentioned refrigeration system compressor exhaust gas heat reclaimer in, described thermal recovery unit also comprise be arranged on water inlet end flow solenoid valve, be arranged on the temperature sensor one between sleeve pipe and condenser and be arranged on the temperature sensor two of water side, described temperature sensor one and temperature sensor two send the aperture of instruction control flow amount magnetic valve by controller.
The temperature value that temperature sensor one sets is higher than the condensation temperature of cold-producing medium, and the temperature value that temperature sensor two sets is required hot water temperature but is less than the temperature of compressor discharging refrigerant; When temperature sensor one detects the temperature of blast pipe inner refrigerant lower than setting value, send a signal to controller control flow solenoid valve and tune up running water flow, guarantee that cold-producing medium can not be vented in-tube condensation; When temperature sensor two detects the temperature of running water in pipeline lower than setting value, send a signal to controller control flow solenoid valve and turn running water flow down; When temperature sensor two detects the temperature of running water in pipeline higher than setting value, send a signal to controller control flow solenoid valve and tune up running water flow; When the instruction conflict of temperature sensor one and temperature sensor two, controller preferentially performs the instruction of temperature sensor one.
In above-mentioned refrigeration system compressor exhaust gas heat reclaimer in, the sleeve pipe on described blast pipe one is arranged away from the exhaust end standpipe of compressor.In order to avoid condensation of refrigerant backflow, the blast pipe standpipe near exhaust end does not arrange sleeve pipe outward.
In above-mentioned refrigeration system compressor exhaust gas heat reclaimer in, sleeve pipe on described blast pipe one and blast pipe two has some sections, sleeve pipe described in every section is set in the straightway of blast pipe one and blast pipe two respectively, and passes through pipeline communication between each adjacent sleeve pipe.Because blast pipe is metal tube, and bending section is more, therefore, by sleeve pipe is arranged to multisection type, and is set in the straightway of blast pipe, avoids and sleeve pipe is installed to bending section and causes sheathed inconvenience, thus make sleeve pipe easier for installation.
In above-mentioned refrigeration system compressor exhaust gas heat reclaimer in, described water inlet end is positioned on the sleeve pipe of blast pipe one side, and described water side is positioned on the sleeve pipe of blast pipe two side.The direction of cover in-pipe flow is identical with flowing to of blast pipe inner refrigerant gas, by the high temperature refrigerant gas-heated of compressor outlet side when avoiding running water outlet, causes the bad control of the heat of hot water.
In above-mentioned refrigeration system compressor exhaust gas heat reclaimer in, described hermetically-sealed construction comprises and is arranged on sleeve pipe two ends and sealing plate in the form of a ring, the outer ring of described sealing plate is separately fixed at the end of sleeve pipe and forms sealing, and the inner ring of described sealing plate to be fixed on blast pipe periphery wall and to form sealing.Sealing plate makes the water flowing chamber in sleeve pipe be isolated from the outside, Leakage prevention.
In above-mentioned refrigeration system compressor exhaust gas heat reclaimer in, described sealing plate has annular boss, described boss to extend in sleeve pipe and respectively with the internal perisporium of sleeve pipe and the periphery wall tight fit of blast pipe.By design boss, both facilitated sealing plate to install, and again owing to being tight fit, sealing herein can have been improved.
In above-mentioned refrigeration system compressor exhaust gas heat reclaimer in, described hermetically-sealed construction comprises the cyclic epoxy resin layer being positioned at sleeve pipe two ends, and described epoxy resin layer makes sleeve pipe and blast pipe be adhesively fixed and formed to seal.Epoxy resin layer makes the water flowing chamber in sleeve pipe be isolated from the outside, Leakage prevention.
Compared with prior art, in this refrigeration system, the exhaust gas heat reclaimer of compressor has the following advantages:
1, by becoming the water flowing chamber in less space in the outer sheathed sleeve-shaped of drainpipe, decreasing running water flowing to the heat before water storage incubator distributes, and absorbs heat and concentrate, and the hot water temperature of recovery is higher, and then improves the rate of recovery of cold-producing medium heat;
2, the tap water flow velocity in water flowing chamber is relatively very fast, can the cold-producing medium in blast pipe enter condenser before to greatest extent by heat absorption, improve the organic efficiency of cold-producing medium heat;
3, because running water is positioned at the outside of blast pipe all the time, and be less likely to occur between cold-producing medium to mix, the safety of recovery water can be ensured; Meanwhile, detecting sensing instrument by arranging pH value, once there is refrigrant leakage, warning can be sent and closedown water solenoid valve, ensureing the use hot water of people's safety;
4, by set temperature sensor, the temperature of hot water can be regulated, and prevent the condensation of blast pipe inner refrigerant, make this thermal recovery unit easy to use, reliable;
5, the outer independently outer setting of this thermal recovery unit, to any requirement useless of the type of condenser, can use and various refrigeration system, versatility is good.
Accompanying drawing explanation
Fig. 1 is the principle schematic of refrigeration system.
Fig. 2 is the principle schematic of integral type sleeve pipe in this exhaust gas heat reclaimer.
Fig. 3 is the principle schematic of segmented sleeve pipe in this exhaust gas heat reclaimer.
Fig. 4 is the cross-sectional view that this exhaust gas heat reclaimer middle sleeve and blast pipe coordinate.
Fig. 5 is the structural representation that in this exhaust gas heat reclaimer, two sleeve pipes are connected.
Fig. 6 is sealed structural representation in the present embodiment one.
In figure, 1, compressor; 2, oil eliminator; 3, condenser; 4, liquid reservoir; 5, gas-liquid separation equipment; 6, evaporimeter; 7, blast pipe; 71, blast pipe one; 72, blast pipe two; 8, sleeve pipe; 81, water flowing chamber; 8a, water inlet end; 8b, water side; 9, water storage incubator; 10, pipeline; 11, pH value detects sensing instrument; 12, with water solenoid valve; 13, flow solenoid valve; 14, temperature sensor one; 15, temperature sensor two; 16, sealing plate; 17, boss.
Detailed description of the invention
Be below specific embodiments of the invention and by reference to the accompanying drawings, technical scheme of the present invention is further described, but the present invention be not limited to these embodiments.
Embodiment one:
As shown in Figure 1, refrigeration system comprises compressor 1, oil eliminator 2, condenser 3, liquid reservoir 4, gas-liquid separation equipment 5, evaporimeter 6 and blast pipe 7, and blast pipe 7 is divided into the blast pipe 1 be connected between compressor 1 and oil eliminator 2 and the blast pipe 2 72 be connected between oil eliminator 2 and condenser 3.Specific works process is as follows: compressor 1 is vented and is separated through oil eliminator 2 lubricating oil removed in refrigerant gas, liquid refrigerant is condensed in condenser 3, store in liquid reservoir 4, evaporimeter 6 is supplied to after choke valve throttling, the refrigerant gas of evaporation in evaporimeter 6 is separated place to go except after drop by gas-liquid separation equipment 5, enter compressor 1 air entry, carry out next working cycles.In order to can by the heat recovery of the high temperature refrigerant in blast pipe 7, development and Design exhaust gas heat reclaimer thus.
This exhaust gas heat reclaimer comprises sleeve pipe 8, water flowing chamber 81, water inlet end 8a, water side 8b, water storage incubator 9, pipeline 10, pH value detection sensing instrument 11, uses water solenoid valve 12, flow solenoid valve 13, temperature sensor 1, temperature sensor 2 15, sealing plate 16, boss 17.
Specifically, as shown in Figure 2, this exhaust gas heat reclaimer comprises water storage incubator 9 and is set in the sleeve pipe 8 on blast pipe 1 and blast pipe 2 72 respectively.Sleeve pipe 8 on blast pipe 1 is arranged away from the exhaust end standpipe of compressor 1.The two ends of sleeve pipe 8 are all sealed with extraneous by hermetically-sealed construction.As shown in Figure 4, be all formed with water flowing chamber 81 in the form of a ring between sleeve pipe 8 and blast pipe 1 and between blast pipe 2 72, the circulation area in water flowing chamber 81 is less than the circulation area of blast pipe 7.As shown in Figure 5, be communicated with by pipeline 10 between sleeve pipe 8.Sleeve pipe 8 has water inlet end 8a and water side 8b, water inlet end 8a is positioned on the sleeve pipe 8 of blast pipe 1 side, and water side 8b is positioned on the sleeve pipe 8 of blast pipe 2 72 side.Water side 8b is communicated with water storage incubator 9 by pipeline 10.
Thermal recovery unit also comprises audible-visual annunciator and is arranged on the pH value detection sensing instrument 11 of water side 8b, water storage incubator 9 is provided with water solenoid valve 12, pH value detects sensing instrument 11 and sends opening or closing of instruction control water solenoid valve 12 and audible-visual annunciator by controller.
Thermal recovery unit also comprise be arranged on water inlet end 8a flow solenoid valve 13, be arranged on the temperature sensor 1 between sleeve pipe 8 and condenser 3 and be arranged on the temperature sensor 2 15 of water side 8b, temperature sensor 1 and temperature sensor 2 15 send the aperture of instruction control flow amount magnetic valve 13 by controller.
As shown in Figure 6, hermetically-sealed construction comprises and is arranged on sleeve pipe 8 two ends and sealing plate 16 in the form of a ring, and the outer ring of sealing plate 16 is welded on the end of sleeve pipe 8 respectively and forms sealing, and the inner ring of sealing plate 16 to be welded on blast pipe 7 periphery wall and to form sealing.Sealing plate 16 has annular boss 17, boss 17 to extend in sleeve pipe 8 and respectively with the internal perisporium of sleeve pipe 8 and the periphery wall tight fit of blast pipe 7.
Sleeve pipe 8 can be integral type or segmented, as preferably, as shown in Figure 3, the sleeve pipe 8 on blast pipe 1 and blast pipe 2 72 has some sections, the sleeve pipe 8 of every section is set in the straightway of blast pipe 1 and blast pipe 2 72 respectively, and is communicated with by pipeline 10 between each adjacent sleeve pipe 8.
Embodiment two:
Technical scheme in the present embodiment is substantially identical with the technical scheme in embodiment one, difference is, in the present embodiment, hermetically-sealed construction comprises the cyclic epoxy resin layer being positioned at sleeve pipe 8 two ends, and epoxy resin layer makes sleeve pipe 8 and blast pipe 7 be adhesively fixed and be formed to seal.
Specific embodiment described herein is only to the explanation for example of the present invention's spirit.Those skilled in the art can make various amendment or supplement or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present invention or surmount the scope that appended claims defines.
Although more employ compressor 1, oil eliminator 2, condenser 3, liquid reservoir 4, gas-liquid separation equipment 5, evaporimeter 6, blast pipe 7, blast pipe 1, blast pipe 2 72, sleeve pipe 8, water flowing chamber 81, water inlet end 8a, water side 8b, water storage incubator 9, pipeline 10, pH value detection sensing instrument 11 herein, with terms such as water solenoid valve 12, flow solenoid valve 13, temperature sensor 1, temperature sensor 2 15, sealing plate 16, boss 17, do not get rid of the possibility using other term.These terms are used to be only used to describe and explain essence of the present invention more easily; The restriction that they are construed to any one additional is all contrary with spirit of the present invention.
Claims (10)
1. the exhaust gas heat reclaimer of compressor in a refrigeration system, described refrigeration system comprises compressor (1), oil eliminator (2), condenser (3) and blast pipe (7), described blast pipe (7) is divided into the blast pipe one (71) be connected between described compressor (1) and oil eliminator (2) and the blast pipe two (72) be connected between described oil eliminator (2) and condenser (3), it is characterized in that, described thermal recovery unit comprises water storage incubator (9) and is set in the sleeve pipe (8) on blast pipe one (71) and blast pipe two (72) respectively, the two ends of described sleeve pipe (8) are all sealed with extraneous by hermetically-sealed construction, water flowing chamber (81) is in the form of a ring formed between described sleeve pipe (8) and blast pipe (7), be communicated with by pipeline (10) between described sleeve pipe (8), described sleeve pipe (8) have water inlet end (8a) and water side (8b), described water side (8b) is communicated with water storage incubator (9) by pipeline (10).
2. the exhaust gas heat reclaimer of compressor in refrigeration system according to claim 1, it is characterized in that, the circulation area of described water flowing chamber (81) is less than the circulation area of blast pipe (7).
3. the exhaust gas heat reclaimer of compressor in refrigeration system according to claim 1, it is characterized in that, described thermal recovery unit also comprises audible-visual annunciator and is arranged on pH value detection sensing instrument (11) of water side (8b), described water storage incubator (9) is provided with water solenoid valve (12), described pH value detects sensing instrument (11) and sends opening or closing of instruction control water solenoid valve (12) and audible-visual annunciator by controller.
4. the exhaust gas heat reclaimer of compressor in the refrigeration system according to claim 1 or 2 or 3, it is characterized in that, described thermal recovery unit also comprise be arranged on water inlet end (8a) flow solenoid valve (13), be arranged on the temperature sensor one (14) between sleeve pipe (8) and condenser (3) and be arranged on the temperature sensor two (15) of water side (8b), described temperature sensor one (14) and temperature sensor two (15) send the aperture of instruction control flow amount magnetic valve (13) by controller.
5. in the refrigeration system according to claim 1 or 2 or 3, the exhaust gas heat reclaimer of compressor, is characterized in that, the sleeve pipe (8) on described blast pipe one (71) is arranged away from the exhaust end standpipe of compressor (1).
6. the exhaust gas heat reclaimer of compressor in the refrigeration system according to claim 1 or 2 or 3, it is characterized in that, sleeve pipe (8) on described blast pipe one (71) and blast pipe two (72) has some sections, sleeve pipe (8) described in every section is set in the straightway of blast pipe one (71) and blast pipe two (72) respectively, and is communicated with by pipeline (10) between each adjacent sleeve pipe (8).
7. the exhaust gas heat reclaimer of compressor in the refrigeration system according to claim 1 or 2 or 3, it is characterized in that, described water inlet end (8a) is positioned on the sleeve pipe (8) of blast pipe one (71) side, and described water side (8b) is positioned on the sleeve pipe (8) of blast pipe two (72) side.
8. the exhaust gas heat reclaimer of compressor in the refrigeration system according to claim 1 or 2 or 3, it is characterized in that, described hermetically-sealed construction comprises and is arranged on sleeve pipe (8) two ends and sealing plate (16) in the form of a ring, the outer ring of described sealing plate (16) is separately fixed at the end of sleeve pipe (8) and forms sealing, and the inner ring of described sealing plate (16) to be fixed on blast pipe (7) periphery wall and to form sealing.
9. the exhaust gas heat reclaimer of compressor in refrigeration system according to claim 8, it is characterized in that, described sealing plate (16) has annular boss (17), described boss (17) to extend in sleeve pipe (8) and respectively with the internal perisporium of sleeve pipe (8) and the periphery wall tight fit of blast pipe (7).
10. the exhaust gas heat reclaimer of compressor in the refrigeration system according to claim 1 or 2 or 3, it is characterized in that, described hermetically-sealed construction comprises the cyclic epoxy resin layer being positioned at sleeve pipe (8) two ends, and described epoxy resin layer makes sleeve pipe (8) and blast pipe (7) be adhesively fixed and be formed to seal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510358553.9A CN104896817A (en) | 2015-06-24 | 2015-06-24 | Exhaust heat recovering device for compressor of refrigerating system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510358553.9A CN104896817A (en) | 2015-06-24 | 2015-06-24 | Exhaust heat recovering device for compressor of refrigerating system |
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| CN104896817A true CN104896817A (en) | 2015-09-09 |
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| CN201510358553.9A Pending CN104896817A (en) | 2015-06-24 | 2015-06-24 | Exhaust heat recovering device for compressor of refrigerating system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108302846A (en) * | 2018-01-16 | 2018-07-20 | 台州龙江化工机械科技有限公司 | The exhaust gas heat reclaimer of compressor in a kind of refrigeration system |
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Application publication date: 20150909 |
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