CN203824007U - Thermosiphonhot-water system for domestic air conditionerexhaust energyrecovery - Google Patents
Thermosiphonhot-water system for domestic air conditionerexhaust energyrecovery Download PDFInfo
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- CN203824007U CN203824007U CN201420156047.2U CN201420156047U CN203824007U CN 203824007 U CN203824007 U CN 203824007U CN 201420156047 U CN201420156047 U CN 201420156047U CN 203824007 U CN203824007 U CN 203824007U
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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
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- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/56—Heat recovery units
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Abstract
The utility model relates to a thermosiphonhot-water system for domestic air conditionerexhaust energyrecovery and belongs to the technical field of refrigerating systemwaste heat recovery. According to the thermosiphonhot-water system, on the basis of a heat pipe principle, a large amount of vaporizationlatent heat released during phase change of a low-boiling-point working medium is used for realizing the high heat exchange efficiency, and thewaste heat recoveryeffect is significant; by the aid of the thermosiphonhot-water system, the compressor exhaust pipe temperature and the condenser load can be reduced, and performance coefficients of an original refrigerating system can be increased; hot water is stored in a water tank in a heat storage manner, so that differentliving needs are met, and the problem that ordinary families use air conditioners and hot water at different time is solved; the thermosiphonhot-water system is simple in structure and convenient to mount and dismount, when a domestic air conditioner is refitted, the structure of the original refrigerating system cannot be changed, and no effect is caused to the safety and the stability of the system; no engineering change is required to be performed on the original refrigerating system, so that the thermosiphonhot-water system is low in mounting cost, short in payback period and convenient to popularize and apply.
Description
Technical field
The utility model relates to a kind of thermal siphon hot-water heating system reclaiming for domestic air conditioner exhaust energy, belongs to waste-heat of refrigerating system recovery technology field.
Background technology
Along with China is for the continuous rising of energy-saving and emission-reduction attention degree and improving constantly of energy cost, making full use of of the refrigeration system energy receives increasing concern.The delivery temperature of domestic air conditioner compressor is higher,, within the scope of 90～120 DEG C, is generally in natural environment if this part energy is disposed to cooling medium by air-conditioner condenser, is undoubtedly a kind of waste of the energy.
In order to reclaim the exhaust energy of cooler compressor, comparatively general way is, in the connecting pipe between compressor and the condenser of refrigeration system, special heat recovery heat exchanger is installed at present, thereby this energy is reclaimed.The proposition of refrigeration system residual heat recycling device (200810188212.1), a kind of easy heat recovery device of refrigeration system (200920265752.5), (200920278916.8) three patents of a kind of Novel refrigeration system waste heat recovery heat exchanger is all recovery of being absorbed in refrigeration compressor exhaust energy.The scheme of above-mentioned patent is, single flow double-tube heat exchanger is installed on the gas exhaust piping of compressor, taking water as medium in sleeve pipe one-way flow, reclaim exhaust energy water heated up.But the shortcoming of these scheme maximums is water one-way flow in single flow double-tube heat exchanger, the temperature rise of water is little, and heat transfer effect is poor, and waste heat recovery effect is not remarkable; For average family, use the time of air-conditioning and hot water also asynchronous in addition, adopt the waste heat recovery scheme of single flow unsatisfactory.
For reclaiming more efficiently the exhaust energy of cooler compressor, solve the problem of above-mentioned heat reclamation device in the time reclaiming domestic air conditioner compressor air-discharging waste heat, design the technical solution of the utility model.
Summary of the invention
The purpose of this utility model is to provide a kind of thermal siphon hot-water heating system reclaiming for domestic air conditioner exhaust energy, based on heat pipe principle, use low boiling working fluid, adopt heat accumulating type structure, reclaim the heat of domestic air conditioner compressor air-discharging pipeline, be used for producing domestic hot-water, realize making full use of of the energy.
For achieving the above object, the technical solution adopted in the utility model is a kind of thermal siphon hot-water heating system reclaiming for domestic air conditioner exhaust energy, this system comprises domestic air conditioner compressor, compressor high-temperature exhaust pipe, condenser, throttling arrangement, evaporimeter, also comprises and is connected to the thermal siphon hot-water heating system on pipeline between described compressor outlet and condenser inlet.Compressor constantly aspirates the low-pressure low-temperature refrigerant vapour producing in evaporimeter, boil down to high-temperature high-pressure refrigerant steam, be transported to condenser through compressor blast pipe, in condenser through cooling and condensation process, cold-producing medium becomes normal temperature high voltage liquid condition, becomes normal temperature low pressure refrigerant liquid flow into evaporimeter through throttling arrangement, and refrigerant liquid evaporates in evaporimeter, and from the object heat absorption that is cooled, generation refrigeration moves in circles.Thermal siphon hot-water heating system is arranged on compressor exhaust pipe, in order to reclaim compressor exhaust pipe waste heat, supplies with domestic hot-water, reaches energy-conservation object.
Described thermal siphon hot-water heating system comprises heat-absorbing model, thermal siphon, attemperater, temperature controller, temperature-sensing valve; Heat-absorbing model is close to compressor exhaust pipe, and one end of thermal siphon is connected with heat-absorbing model, and its other end inserts in attemperater, and temperature-sensing valve is contained on the water inlet pipe and water outlet pipe of attemperater; The water temperature of described temperature controller control attemperater is within the scope of 40～80 DEG C, and water temperature reaches when setting value, and temperature controller action, opens temperature-sensing valve, outward supplying heat water, otherwise temperature-sensing valve cuts out, and continues heating water until water temperature reaches setting value.
Described heat-absorbing model is two halves shell structure, and every half housing comprises thermal siphon heat exchanger inner side, thermal siphon heat exchanger outside, thermal siphon heat exchanger bottom end cover, thermal siphon heat exchanger upper end cover, boss, bolt hole, bolt; Described every half housing has symmetrical counterbore, in order to be connected with thermal siphon; Described connected mode is for being threaded or welding; Described counterbore is by forming closed cavity after being connected with thermal siphon, counterbore is between thermal siphon heat exchanger bottom end cover and thermal siphon heat exchanger upper end cover; Described thermal siphon and attemperater linkage section are provided with working medium and fill mouth, in order to add thermal siphon working medium in closed cavity; Described every half hull outside is provided with two groups of boss, and boss has bolt hole, and two halves housing is bolted together.
Compared with prior art, the utlity model has following beneficial effect.
1, based on heat pipe principle, a large amount of latent heats of vaporization that discharge while utilizing low boiling working fluid phase transformation, obtain high heat exchange efficiency, and waste heat recovery effect is remarkable.
2, the utility model can reduce compressor air-discharging pipeline temperature, condenser duty, improves the coefficient of performance of former refrigeration system.
3, in the mode of accumulation of heat, hot water is stored in water tank, meet different life requirements, solve average family and use the asynchronism(-nization) of air-conditioning and hot water to walk this problem.
4, simple in structure, the easy installation and removal of the utility model, when repacking domestic air conditioner, can not do any change to the structure of former refrigeration system, can not have any impact to the security and stability of system.
5, because not needing that former refrigeration system is done to the change in any engineering, therefore installation cost is low, the investment payback time is short, easy to utilize.
Brief description of the drawings
Fig. 1 is a kind of thermal siphon hot-water heating system schematic diagram reclaiming for domestic air conditioner exhaust energy;
Fig. 2 is embodiment mono-thermal siphon hot-water heating system schematic diagram;
Fig. 3 is the decomposition texture schematic diagram of thermal siphon heat exchanger in Fig. 2;
Fig. 4 is the top view of thermal siphon heat exchanger in Fig. 2;
Fig. 5 is the left view of thermal siphon heat exchanger in Fig. 2;
Fig. 6 is embodiment bis-thermal siphon hot-water heating system schematic diagrames.
In figure: 1-heat-absorbing model, 2-thermal siphon, 2.1-thermal siphon a, 2.2-thermal siphon b, 2.3-thermal siphon c, 3-attemperater, 4-temperature controller, 5-temperature-sensing valve, 6-thermal siphon working medium, 7-closed cavity, the upright calandria heat exchanger of 8-, 11-thermal siphon heat exchanger inner side, 12-thermal siphon heat exchanger outside, 13-thermal siphon heat exchanger bottom end cover, 14-thermal siphon heat exchanger upper end cover, 15-working medium fills mouth, 16-boss, 17-bolt hole, 18-bolt, 21-compressor, 22-condenser, 23-throttling arrangement, 24-evaporimeter, 25-compressor exhaust pipe, 26-thermal siphon hot-water heating system.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is further described.
Embodiment mono-
As Figure 1-Figure 5, a kind of thermal siphon hot-water heating system reclaiming for domestic air conditioner exhaust energy, this system comprises domestic air conditioner compressor 21, compressor high-temperature exhaust pipe 25, condenser 22, throttling arrangement 23, evaporimeter 24, also comprises and is connected to the thermal siphon hot-water heating system 26 on pipeline between described compressor outlet and condenser inlet.Compressor 21 constantly aspirates the low-pressure low-temperature refrigerant vapour producing in evaporimeter 24, boil down to high-temperature high-pressure refrigerant steam, be transported to condenser 22 through compressor blast pipe 25, in condenser 25 through cooling and condensation process, cold-producing medium becomes normal temperature high voltage liquid condition, becomes normal temperature low pressure refrigerant liquid flow into evaporimeter 24 through throttling arrangement 23, and refrigerant liquid is in the interior evaporation of evaporimeter 24, and from the object heat absorption that is cooled, generation refrigeration moves in circles.Thermal siphon hot-water heating system 26 is arranged on compressor exhaust pipe 25, in order to reclaim compressor exhaust pipe 25 waste heats, supplies with domestic hot-water, reaches energy-conservation object.
Described thermal siphon hot-water heating system 26 comprises heat-absorbing model 1, thermal siphon 2, attemperater 3, temperature controller 4, temperature-sensing valve 5; Heat-absorbing model 1 is close to compressor exhaust pipe 25, and one end of thermal siphon 2 is connected with heat-absorbing model 1, and its other end inserts in attemperater 3, and temperature-sensing valve 5 is contained on the water inlet pipe and water outlet pipe of attemperater 3; Described temperature controller 4 is controlled the water temperature of attemperater 3 within the scope of 40～80 DEG C, and water temperature reaches when setting value, and temperature controller 4 moves, and opens temperature-sensing valve 5, outward supplying heat water, otherwise temperature-sensing valve 5 cuts out, and continues heating water until water temperature reaches setting value.
Described heat-absorbing model 1 is two halves shell structure, and every half housing comprises thermal siphon heat exchanger inner side 11, thermal siphon heat exchanger outside 12, thermal siphon heat exchanger bottom end cover 13, thermal siphon heat exchanger upper end cover 14, boss 16, bolt hole 17, bolt 18; Described every half housing has symmetrical counterbore, in order to be connected with thermal siphon 2; Described connected mode is for being threaded or welding; Described counterbore is by forming closed cavity 7 after being connected with thermal siphon 2, counterbore is between thermal siphon heat exchanger bottom end cover 13 and thermal siphon heat exchanger upper end cover 14; Described thermal siphon 2 and attemperater 3 linkage sections are provided with working medium and fill mouthfuls 15, in order to the interior interpolation thermal siphon of closed cavity 7 working medium 6; Described every half hull outside is provided with two groups of boss 16, and boss 16 has bolt hole 17, and two halves housing links together by bolt 18;
Described thermal siphon 2 is n(1-10) root single tube, can be also m(2-10) root rear be communicated with comb, can be parallel to compressor exhaust pipe 25 and lay, also can lay along with being 0～90 ° with compressor exhaust pipe 25 gradually away from compressor exhaust pipe 25.
It is a coil pipe or upright calandria heat exchanger that described thermal siphon 2 is immersed in attemperater 3 parts.
Described thermal siphon working medium 6 is a kind of in R22, R32, R134a, R152a, R245fa, R290 or several mixture wherein.
Shown in Fig. 2, be embodiment mono-thermal siphon hot-water heating system schematic diagram.Described housing is manufactured by the good metal material of heat conductivility (as copper or aluminium), and the size of each several part can be determined according to the external diameter of compressor exhaust pipe 25 and domestic air conditioner off-premises station inner space.
Thermal siphon 2 is a folding U-shaped pipe, and lower parallel is laid in compressor exhaust pipe 25, and top and compressor exhaust pipe 25 are the angle of 45 ° to be laid, by by folding U-shaped pipe to increase heat exchange area.
The utility model when mounted, first heat conductive silica gel is smeared in the installation position on cooler compressor blast pipe 25, the surface of thermal siphon heat exchanger inner side 11 is closely contacted with the outer surface of high temperature compressed machine blast pipe 25, to improve heat conductivility, then the two halves housing of heat-absorbing model 1 is fixed on compressor exhaust pipe 25 by bolted mode.
The all heat exchangers of the utility model and hot water line adopt insulation material to be incubated system, to improve the service efficiency of the energy.
The process that air-conditioner exhaust energy reclaims is: thermal siphon working medium 6 fills mouthful 15 injection closed cavities 7 by working medium, open domestic air conditioner, refrigeration system brings into operation, in refrigeration system, the heat of high temperature refrigerant steam is passed to the tube wall of compressor exhaust pipe 25, then pass through heat conductive silica gel, be passed to thermal siphon heat exchanger inner side 11, be passed to again closed cavity 7 by the good metal material of heat conductivility (as copper or aluminium), make the thermal siphon working medium 6 heat absorption evaporations in closed cavity 7, become gas phase from liquid phase, gaseous state thermal siphon working medium 6 goes upward to the heat release of the interior chance cold water of attemperater 3 along thermal siphon 2 and condenses, become liquid phase from gas phase, and because Action of Gravity Field is along descending closed cavity 7 bottoms that are back to of thermal siphon 2 inwalls, so move in circles, the waste heat used heat of compressor exhaust pipe 25 is constantly transported to attemperater 3, be used for producing domestic hot-water, and in the mode of accumulation of heat, hot water is stored, realize the recovery of domestic air conditioner exhaust energy, transmit and recycling.
Embodiment bis-
Shown in Fig. 6, be embodiment bis-thermal siphon hot-water heating system schematic diagrames.In the present embodiment, cooler compressor blast pipe 25 is positioned at horizontal level.
Heat-absorbing model 1 is the sleeve structure outside compressor exhaust pipe 25, and described sleeve pipe is manufactured by the good metal material of heat conductivility (as copper or aluminium).
Thermal siphon heat exchanger bottom end cover 13 and thermal siphon heat exchanger upper end cover 14 get up with sleeve pipe and compressor exhaust pipe 25 solderings, and thermal siphon 2 one end are connected with sleeve pipe, and the other end is connected with a upright calandria heat exchanger 8 in attemperater 3; Described thermal siphon 2 comprises thermal siphon a2.1, thermal siphon b2.2, thermal siphon c2.3; Gaseous state thermal siphon working medium 6 goes upward to upright calandria heat exchanger 8 along thermal siphon a2.1, thermal siphon b2.2, after condensing, is back in sleeve pipe along thermal siphon c2.3.
The process that air-conditioner exhaust energy reclaims is: in refrigeration system, the heat of high temperature refrigerant steam is passed to the tube wall of compressor exhaust pipe 25, then pass through heat conductive silica gel, be passed to sleeve pipe tube wall, be passed to again thermal siphon working medium 6 by the good metal material of heat conductivility (as copper or aluminium), make the 6 heat absorption evaporations of thermal siphon working medium, become gas phase from liquid phase, gaseous state thermal siphon working medium 6 goes upward to upright calandria heat exchanger 8 along thermal siphon a2.1, thermal siphon b2.2, after condensing, become liquid phase from gas phase, along thermal siphon, c2.3 is back in sleeve pipe.
Remainder is identical with embodiment mono-, and method of work is also identical.
The above; only the better feasible embodiment of the utility model; can not therefore limit to interest field of the present utility model; concerning those familiar with ordinary skill in the art, such as use the technical solution of the utility model and technical conceive to make other various corresponding changes and be out of shape and all should belong within the protection domain of the utility model claim.
Claims (9)
1. the thermal siphon hot-water heating system reclaiming for domestic air conditioner exhaust energy, it is characterized in that: this system comprises domestic air conditioner compressor (21), compressor high-temperature exhaust pipe (25), condenser (22), throttling arrangement (23), evaporimeter (24), also comprise and be connected to the thermal siphon hot-water heating system (26) on pipeline between described compressor outlet and condenser inlet; Described compressor (21) constantly aspirates the low-pressure low-temperature refrigerant vapour producing in evaporimeter (24), boil down to high-temperature high-pressure refrigerant steam, be transported to condenser (22) through compressor blast pipe (25), in condenser (25) through cooling and condensation process, cold-producing medium becomes normal temperature high voltage liquid condition, become normal temperature low pressure refrigerant liquid through throttling arrangement (23) and flow into evaporimeter (24), refrigerant liquid evaporates in evaporimeter (24), and from the object heat absorption that is cooled, generation refrigeration moves in circles; It is upper that thermal siphon hot-water heating system (26) is arranged on compressor exhaust pipe (25), in order to reclaim compressor exhaust pipe (25) waste heat, supplies with domestic hot-water, reaches energy-conservation object;
Described thermal siphon hot-water heating system (26) comprises heat-absorbing model (1), thermal siphon (2), attemperater (3), temperature controller (4), temperature-sensing valve (5); Heat-absorbing model (1) is close to compressor exhaust pipe (25), and one end of thermal siphon (2) is connected with heat-absorbing model (1), and its other end inserts in attemperater (3), and temperature-sensing valve (5) is contained on the water inlet pipe and water outlet pipe of attemperater (3); Described temperature controller (4) is controlled the water temperature of attemperater (3) within the scope of 40～80 DEG C, when water temperature reaches setting value, and temperature controller (4) action, open temperature-sensing valve (5), outward supplying heat water, otherwise temperature-sensing valve (5) cuts out, and continues heating water until water temperature reaches setting value;
Described heat-absorbing model (1) is two halves shell structure, and every half housing comprises thermal siphon heat exchanger inner side (11), thermal siphon heat exchanger outside (12), thermal siphon heat exchanger bottom end cover (13), thermal siphon heat exchanger upper end cover (14), boss (16), bolt hole (17), bolt (18); Described every half housing has symmetrical counterbore, in order to be connected with thermal siphon (2); Described connected mode is for being threaded or welding; Described counterbore is by forming closed cavity (7) after being connected with thermal siphon (2), counterbore is positioned between thermal siphon heat exchanger bottom end cover (13) and thermal siphon heat exchanger upper end cover (14); Described thermal siphon (2) is provided with working medium with attemperater (3) linkage section and fills mouthful (15), in order to add thermal siphon working medium (6) in closed cavity (7); Described every half hull outside is provided with two groups of boss (16), and boss (16) has bolt hole (17), and two halves housing links together by bolt (18).
2. a kind of thermal siphon hot-water heating system reclaiming for domestic air conditioner exhaust energy according to claim 1, it is characterized in that: the process that air-conditioner exhaust energy reclaims is as follows, thermal siphon working medium (6) fills mouthful (15) by working medium and injects closed cavity (7), open domestic air conditioner, refrigeration system brings into operation, in refrigeration system, the heat of high temperature refrigerant steam is passed to the tube wall of compressor exhaust pipe (25), then by heat conductive silica gel, be passed to thermal siphon heat exchanger inner side (11); Be passed to again closed cavity (7) by the good metal material of heat conductivility, make thermal siphon working medium (6) the heat absorption evaporation in closed cavity (7), become gas phase from liquid phase, gaseous state thermal siphon working medium (6) goes upward to chance cold water heat release in attemperater (3) along thermal siphon (2) and condenses, become liquid phase from gas phase, and because Action of Gravity Field is along descending closed cavity (7) bottom that is back to of thermal siphon (2) inwall; So move in circles, the waste heat used heat of compressor exhaust pipe (25) is constantly transported to attemperater (3), for producing domestic hot-water, and in the mode of accumulation of heat, hot water is stored, realize recovery, transmission and the recycling of domestic air conditioner exhaust energy.
3. a kind of thermal siphon hot-water heating system reclaiming for domestic air conditioner exhaust energy according to claim 1, is characterized in that: described thermal siphon (2) is n root single tube, described 1≤n≤10; Also can be the comb that m root rear is communicated with, described 2≤m≤10; Thermal siphon (2) can be parallel to compressor exhaust pipe (25) to be laid, and also can lay along with being 0～90 ° with compressor exhaust pipe (25) gradually away from compressor exhaust pipe (25).
4. a kind of thermal siphon hot-water heating system reclaiming for domestic air conditioner exhaust energy according to claim 1, is characterized in that: it is a coil pipe or upright calandria heat exchanger that described thermal siphon (2) is immersed in attemperater (3) part.
5. a kind of thermal siphon hot-water heating system reclaiming for domestic air conditioner exhaust energy according to claim 1, is characterized in that: described thermal siphon working medium (6) is a kind of in R22, R32, R134a, R152a, R245fa, R290 or several mixture wherein.
6. a kind of thermal siphon hot-water heating system reclaiming for domestic air conditioner exhaust energy according to claim 1, it is characterized in that: thermal siphon (2) is a folding U-shaped pipe, lower parallel is laid in compressor exhaust pipe (25), top and compressor exhaust pipe (25) are the angle of 45 ° to be laid, by by folding U-shaped pipe to increase heat exchange area.
7. a kind of thermal siphon hot-water heating system reclaiming for domestic air conditioner exhaust energy according to claim 1, it is characterized in that: the utility model when mounted, first heat conductive silica gel is smeared in the installation position on cooler compressor blast pipe (25), the surface of thermal siphon heat exchanger inner side (11) is closely contacted with the outer surface of high temperature compressed machine blast pipe (25), to improve heat conductivility, then the two halves housing of heat-absorbing model (1) is fixed on compressor exhaust pipe (25) by bolted mode; Meanwhile, all heat exchangers of the utility model and hot water line adopt insulation material to be incubated system, to improve the service efficiency of the energy.
8. a kind of thermal siphon hot-water heating system reclaiming for domestic air conditioner exhaust energy according to claim 1, is characterized in that: heat-absorbing model (1) can also be the outer sleeve structure of compressor exhaust pipe (25);
Thermal siphon heat exchanger bottom end cover (13) and thermal siphon heat exchanger upper end cover (14) get up with sleeve pipe and compressor exhaust pipe (25) soldering, thermal siphon (2) one end is connected with sleeve pipe, and the other end is connected with a upright calandria heat exchanger (8) in attemperater (3); Described thermal siphon (2) comprises thermal siphon a(2.1), thermal siphon b(2.2), thermal siphon c(2.3); Gaseous state thermal siphon working medium (6) is along thermal siphon a(2.1), thermal siphon b(2.2) go upward to upright calandria heat exchanger (8), after condensing along thermal siphon c(2.3) be back in sleeve pipe.
9. a kind of thermal siphon hot-water heating system reclaiming for domestic air conditioner exhaust energy according to claim 1 and 2, is characterized in that: the two halves housing of described heat-absorbing model (1) can be manufactured for copper or aluminium by the good metal material of heat conductivility.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420156047.2U CN203824007U (en) | 2014-04-01 | 2014-04-01 | Thermosiphonhot-water system for domestic air conditionerexhaust energyrecovery |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420156047.2U CN203824007U (en) | 2014-04-01 | 2014-04-01 | Thermosiphonhot-water system for domestic air conditionerexhaust energyrecovery |
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| CN203824007U true CN203824007U (en) | 2014-09-10 |
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| CN201420156047.2U Expired - Fee Related CN203824007U (en) | 2014-04-01 | 2014-04-01 | Thermosiphonhot-water system for domestic air conditionerexhaust energyrecovery |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103925683A (en) * | 2014-04-01 | 2014-07-16 | 北京工业大学 | Thermosiphon hot water system used for recovering exhaust energy of domestic air conditioner |
| CN106642608A (en) * | 2017-02-22 | 2017-05-10 | 中国汽车工业工程有限公司 | Coating workshop spray booth circulating air system |
-
2014
- 2014-04-01 CN CN201420156047.2U patent/CN203824007U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103925683A (en) * | 2014-04-01 | 2014-07-16 | 北京工业大学 | Thermosiphon hot water system used for recovering exhaust energy of domestic air conditioner |
| CN103925683B (en) * | 2014-04-01 | 2017-01-25 | 北京工业大学 | Thermosiphon hot water system used for recovering exhaust energy of domestic air conditioner |
| CN106642608A (en) * | 2017-02-22 | 2017-05-10 | 中国汽车工业工程有限公司 | Coating workshop spray booth circulating air system |
| CN106642608B (en) * | 2017-02-22 | 2022-06-10 | 中国汽车工业工程有限公司 | Paint spraying chamber circulating air system of coating workshop |
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Granted publication date: 20140910 Termination date: 20160401 |
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| CF01 | Termination of patent right due to non-payment of annual fee |