CN202048721U - Heating device utilizing low grade heat source - Google Patents

Heating device utilizing low grade heat source Download PDF

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CN202048721U
CN202048721U CN2011201284587U CN201120128458U CN202048721U CN 202048721 U CN202048721 U CN 202048721U CN 2011201284587 U CN2011201284587 U CN 2011201284587U CN 201120128458 U CN201120128458 U CN 201120128458U CN 202048721 U CN202048721 U CN 202048721U
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heat exchanger
outlet
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heat
import
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陈光明
王征
唐黎明
吴孔祥
李涛
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Zhejiang University ZJU
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Zhejiang University ZJU
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Abstract

The utility model discloses a heating device utilizing low grade heat source. The apparatus comprises a heat source collecting device, a gas storage container, a vortex pipe, a first heat exchanger, a second heat exchanger, a condenser and a solution pump; the gas outlet of the heat source collecting device is connected with the gas inlet of the gas storage container; the top gas outlet of the gas storage container is connected with the inlet of the vortex pipe; the bottom liquid outlet of the gas storage container is connected with the liquid recovery mouth of the heat source collecting device; the hot end outlet of the vortex pipe is connected with the first inlet of the first heat exchanger; the cold end outlet of the vortex pipe and the first outlet of the first heat exchanger are respectively connected with the first inlet of the second heat exchanger. The heating device of the utility model is greatly improved by in low grade heat source utilization and energy conservation aspect; also achieves the advantages of simple structure, reliable operation, good persistence and wide adaptive range.

Description

A kind of heater that utilizes low-grade heat source
Technical field
The utility model relates to energy utilization device, relates in particular to a kind of heater that utilizes low-grade heat source.
Background technology
The energy is the material base of social life, is occurring in nature provides power for people's daily life physical resources.For example coal, oil, these fossil energies of natural gas provide production material source and have produced power for industries such as iron and steel, weaving, chemical industry, medical treatment.The energy is the lifeblood of national economy, and national industrial development is played important impetus.But, the world energy supplies growing tension, various countries launch respectively the minimizing that new strategy is dealt with the energy.In such as coal, oil, these fossil energy combustion processes of natural gas, can emit a large amount of heat, utilize this characteristic, main equipments such as many large-scale power stations, steel mill have been set up, and the high-grade heat energy that the higher proportion of these burnings in liberated heats underused is used for equipment such as waste heat boiler and utilizes the raising utilization ratio once more.These heat energy are when utilizing number of times to increase, and its grade is also reducing gradually, thereby becomes low-grade energy.Low-grade energy is difficult to recycle because its grade is lower, and its use in various industries is restricted.For example, in refrigeration system with lithium bromide absorption because the influence of lithium-bromide solution self rerum natura, when occurrence temperature when producing the chilled water of lower temperature for 80 ℃, coefficient of refrigerating performance is less, and is accompanied by the reduction of occurrence temperature, its coefficient of refrigerating performance significantly descends.
Low-grade energy is in the subordinate of whole energy grade, and its total amount is bigger, but often usability is lower once more because of it, often is used as used heat and drains among the atmospheric environment, causes the waste of low-grade energy, is unfavorable for the carrying out of energy cascade utilization.At present, in order to reclaim these low-grade heats, people have done a lot of effort, and for example Chinese utility model patent ZL 200520051879.9 discloses a kind of device that utilizes central air-conditioning used heat to produce hot water.
System for using vortex tube all is provided with compressor basically before vortex tube in the prior art, utilize compressor to make gas reach high pressure conditions.For example Chinese patent application numbers 200710018736.1, " a kind of high temperature heat pump system that has vortex tube " discloses a kind of high temperature heat pump system of the vortex tube that has compressor and be connected with the blast pipe of compressor, though this system utilizes vortex tube to improve the temperature of air-flow, after the post bake of water, can reach higher temperature.But this system uses compressor that the cold-producing medium of low-temp low-pressure is become the gas of HTHP, has also consumed the operation that a large amount of electric energy come drive system in pressurized, heated.
The utility model content
The utility model provides a kind of heater that utilizes low-grade heat source, and this device not only utilizes once more to low-grade heat source, and saves compressor, reaches energy-conservation effect.
A kind of heater that utilizes low-grade heat source comprises thermal source collector, gas reservoir, vortex tube, first heat exchanger, second heat exchanger, condenser, solution pump; The gas vent of described thermal source collector links to each other with the gas feed of described gas reservoir, the top gas outlet of described gas reservoir links to each other with the import of described vortex tube, the bottom liquid outlet of described gas reservoir links to each other with the liquids recovery mouth of described thermal source collector, the hot junction outlet of described vortex tube links to each other with first import of described first heat exchanger, first outlet of the cold side outlet of described vortex tube and described first heat exchanger is connected to first import of described second heat exchanger, first outlet of described second heat exchanger links to each other with the import of described condenser, the outlet of described condenser links to each other with the import of described solution pump, described solution delivery side of pump links to each other with second import of described second heat exchanger, and second outlet of described second heat exchanger links to each other with the bottom inlet of described thermal source collector.
Preferably, between described first heat exchanger and described second heat exchanger, be provided for the 3rd heat exchanger of high temperature heat exchange, first import of described the 3rd heat exchanger links to each other with first outlet of described first heat exchanger, first outlet of described the 3rd heat exchanger links to each other with first import of described second heat exchanger, second import of described the 3rd heat exchanger links to each other with second outlet of described second heat exchanger, and second outlet of described the 3rd heat exchanger links to each other with the bottom inlet of described thermal source collector.The adding of described the 3rd heat exchanger can reduce the thermic load of condenser.
Described thermal source collector is to be used for fluid working substance is heated to the gases at high pressure state.
The fluid working substance of filling in the described heater can produce gas-liquid phase transition in operating temperature range, be preferably water, ammonia, halogenated hydrocarbons or alcohols.
Described low-grade heat source is generally the thermal source below 300 ℃, is preferably 50-200 ℃ thermal source.
Described gas reservoir can be used for stabilizing gas pressure, carries out gas-liquid separation.
Preferably, described heater and the device that the needs heat formula structure that fuses, this integral structure operation is easy, and heat-energy losses is little.
Preferably, described to need the device of heat be the hot water heat pump system, utilizes the utility model directly to heat heat pump recirculated water, can improve the heat energy utilization rate, reduce the waste of heat energy.
Preferably, described to need the device of heat be the mono-potency lithium bromide absorption system, and this system and the utility model device fuse and can directly obtain heat from the utility model fluid working substance after the formula structure, make this system realize refrigeration, are beneficial to energy-conservation.
Therefore, can realize the utilization once more of low-grade heat source by the heater of low-grade heat source that utilizes of the present utility model, so energy cascade utilization is significant.In addition, the utility model adopts the thermal source collector to the heating of heat-transfer fluid working medium, for compressor assembly, has and can directly utilize such as low-grade heat source such as boiler used heat, cooling used heat and save the clear superiority of electric energy.In actual applications, the high-temperature gas fluid working substance that the utility model heater produces not only can be used as the thermal source gas in the absorption system generator, also can be used for occasions such as heat pump, miniature boiler.In addition, the utility model can need the device of heat with some, such as heat pump, the absorption system formula structure that fuses, is convenient to control transfer of heat and reduces heat energy loss.So the utility model heater is in the utilization of low-grade heat source and aspect energy-conservation outstanding improvement is arranged, moreover, that this device also has is simple in structure, reliable, continuation by force, the advantage of wide accommodation.
Description of drawings
Fig. 1 is the schematic flow sheet of a kind of embodiment of the present utility model;
Fig. 2 is the schematic flow sheet that the utility model device is used for the hot water heat pump system;
Fig. 3 is the schematic flow sheet that the utility model device is used for the mono-potency lithium bromide absorption system.
The specific embodiment
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.
Embodiment 1
Referring to Fig. 1, Fig. 1 is the schematic flow sheet of a kind of embodiment of the present utility model.Described heater comprises thermal source collector 1, gas reservoir 2, vortex tube 3, first heat exchanger 4, condenser 5, solution pump 6, second heat exchanger 7; The gas vent of thermal source collector 1 links to each other with the gas feed of gas reservoir 2, the top gas outlet of gas reservoir 2 links to each other with the import of vortex tube 3, the bottom liquid outlet of gas reservoir 2 links to each other with the liquids recovery mouth of thermal source collector 1, the hot junction outlet of vortex tube 3 links to each other with first import of first heat exchanger 4, first outlet of the cold side outlet of vortex tube 3 and first heat exchanger 4 is connected to first import of second heat exchanger 7, first outlet of second heat exchanger 7 links to each other with the import of condenser 5, the outlet of condenser 5 links to each other with the import of solution pump 6, the outlet of solution pump 6 links to each other with second import of second heat exchanger 7, and second outlet of second heat exchanger 7 links to each other with the bottom inlet of thermal source collector 1.
In the present embodiment, fluid working substance adopts R245ca, 50-60 ℃ the low-grade cooling used heat that low-grade heat source produces for the chemical plant cooling tower.Liquid R245ca fluid working substance reaches the gases at high pressure state under 45-55 ℃ after 1 heating of thermal source collector, enter then in the gas reservoir 2.Carry out gas-liquid separation owing to leak the R245ca fluid liquid working medium and the gaseous working medium in the gas reservoir 2 of hot condensation in gas reservoir 2 in pipeline and gas reservoir 2, gas reservoir 2 has the effect of stabilizing gas pressure simultaneously.The liquid that gas-liquid separation goes out exports the liquids recovery mouth that flow to thermal source collector 1 from the bottom liquid of gas reservoir 2, passes back in the thermal source collector 1.Fluid working substance after gas reservoir 2 voltage stabilizings flows out from the top gas outlet of gas reservoir 2, enters vortex tube 3 with high pressure conditions, and high-temperature low-pressure gaseous fluid working medium is flowed out in the hot junction outlet of vortex tube 3.High-temperature low-pressure gaseous fluid working medium is after emitting a large amount of heats with the heat exchange of cryogen working medium in first heat exchanger 4, mix with the low-temp low-pressure fluid working substance that flows out from the cold side outlet of vortex tube 3, enter in second heat exchanger 7 and carry out heat exchange, then through condenser 5 be condensed into liquid after by solution pump 6 superchargings, highly pressurised liquid after the supercharging enters thermal source collector 1 after flowing through second heat exchanger 7, finishes circulation.In the present embodiment, be connected with cryogen working medium in first heat exchanger 4, the high-temperature low-pressure gaseous fluid working medium of coming out in vortex tube 3 hot junctions heats the cryogen working medium in first heat exchanger 4.
By present embodiment is carried out analog computation, obtain table 1.
The temperature that this device reaches under different low-grade heat source temperature of table 1 and the temperature condition
Figure BDA0000057876880000041
Figure BDA0000057876880000051
Wherein, the R245ca volume flow that enters vortex tube is 2000Nm 3/ h, condensation temperature is 25 ℃.From table 1, can obtain under the different low-grade heat source temperature conditions temperature that this device can reach and can produce heat.By present embodiment, can realize utilization once more to 50-60 ℃ thermal source.And that whole process operation is reliable, continuation reaches Waste Heat Recovery by force is effective.
Embodiment 2
60-70 ℃ used heat is arranged in large chemical equipment, need to cool off this part heat, after recirculated water passes back into cooling tower, heat is entered atmosphere by the recirculated water in the cooling tower.And can utilize this 60-70 ℃ low-grade exhaust heat by the utility model, in the present embodiment, be the low-grade heat source that the utility model device need be gathered with this 60-70 ℃ hot water.
In addition, it is compensation to consume the part low-grade heat source that heat pump is one, the device that heat is transmitted.Conventional heat pump is utilized natural resources, the energy of deposit in outdoor air, soil, the ocean etc. for example, but often because itself energy of these materials is lower, the temperature that heat pump can be reached not is very high.And with first heat exchanger of the present utility model and the heat pump formula structure that fuses, the recirculated water that can make heat pump can obtain higher temperature is supplied with the user like this, and can realize the utilization once more of above-mentioned low-grade heat source.
Referring to Fig. 2, Fig. 2 is the schematic flow sheet that the utility model device is used for the hot water heat pump system.Described heater comprises thermal source collector 1, gas reservoir 2, vortex tube 3, first heat exchanger 4, condenser 5, solution pump 6, second heat exchanger 7, the 3rd heat exchanger 8; The gas vent of thermal source collector 1 links to each other with the gas feed of gas reservoir 2, the top gas outlet of gas reservoir 2 links to each other with the import of vortex tube 3, the bottom liquid outlet of gas reservoir 2 links to each other with the liquids recovery mouth of thermal source collector 1, the hot junction outlet of vortex tube 3 links to each other with first import of first heat exchanger 4, first outlet of first heat exchanger 4 links to each other with first import of the 3rd heat exchanger 8, first outlet of the cold side outlet of vortex tube 3 and the 3rd heat exchanger 8 is connected to first import of second heat exchanger 7, first outlet of second heat exchanger 7 links to each other with the import of condenser 5, the outlet of condenser 5 links to each other with the import of solution pump 6, the outlet of solution pump 6 links to each other with second import of second heat exchanger 7, second outlet of second heat exchanger 7 links to each other with second import of the 3rd heat exchanger 8, and second outlet of the 3rd heat exchanger 8 links to each other with the bottom inlet of thermal source collector 1.
In the present embodiment, fluid working substance adopts R245ca, and second heat exchanger is a cryogenic heat exchanger, the 3rd heat exchanger is a high-temperature heat-exchanging, low-grade heat source is the above-mentioned 60-70 that mentions ℃ a thermal source, and first heat exchanger 4 links to each other with heat pump, and heat pump cycle water is by first heat exchanger 4.R245ca fluid liquid working medium reaches the gases at high pressure state under 55-65 ℃ after 1 heating of thermal source collector, enter then in the gas reservoir 2.Carry out gas-liquid separation owing to leak the R245ca fluid liquid working medium and the gaseous working medium in the gas reservoir 2 of hot condensation in gas reservoir 2 in pipeline and gas reservoir 2, gas reservoir 2 has the effect of stabilizing gas pressure simultaneously.The liquid that gas-liquid separation goes out exports the liquids recovery mouth that flow to thermal source collector 1 from the bottom liquid of gas reservoir 2, passes back in the thermal source collector 1.Fluid working substance after gas reservoir 2 voltage stabilizings flows out from the top gas outlet of gas reservoir 2, enters vortex tube 3 with high pressure conditions, and high-temperature low-pressure gaseous fluid working medium is flowed out in the hot junction outlet of vortex tube 3.High-temperature low-pressure gaseous fluid working medium is after emitting a large amount of heats with the heat exchange of heat pump cycle water in first heat exchanger 4, enter the 3rd heat exchanger 8, and therein with the liquid heat exchange that backflows through 7 heat exchange of second heat exchanger, mix with the low-temp low-pressure fluid working substance that flows out from the cold side outlet of vortex tube 3 again, enter in second heat exchanger 7 and carry out heat exchange, then through condenser 5 be condensed into liquid after by solution pump 6 superchargings, highly pressurised liquid after the supercharging is flowed through successively and is entered thermal source collector 1 behind second heat exchanger 7, the 3rd heat exchanger 8, finishes circulation.Because fluid working substance R245ca is heated the back temperature under this heat source temperature higher, so increase by the 3rd heat exchanger in the present embodiment, the 3rd heat exchanger that is provided with in the present embodiment can reduce the thermic load of condenser, improve the temperature of the fluid working substance that passes back into the thermal source collector, improve the Waste Heat Recovery rate of system.
By present embodiment is carried out analog computation, can obtain table 2.
The temperature that heat that different low-grade heat source temperature of table 2 and temperature condition produce down and heat pump cycle water reach
Wherein, the R245ca volume flow is 1500Nm 3/ h, condensation temperature is 32 ℃.As shown in Table 2, the temperature that heat pump cycle water reaches is high more, and its heat that can obtain is few more, and this mainly is owing to the rising along with temperature, the cause that heat flow reduces.In first heat exchanger 4, hot pump in low temp recirculated water is heated and reaches about 80-95 ℃, then with this hot water supply user through heating, thereby has realized utilizing this 60-70 ℃ thermal source heat pump cycle water to be heated to the purpose of higher temperature.In addition, utilized the thermic load that also can reduce cooling tower behind about this 60-70 ℃ the used heat because of present embodiment.
Embodiment 3
Because refrigeration system with lithium bromide absorption is because of its lithium-bromide solution self rerum natura, be 80 ℃ and following temperature when producing the chilled water of lower temperature in occurrence temperature, efficient is lower.There is 65-80 ℃ the used heat that do not utilize in the boiler.In the present embodiment, with the utility model and the lithium bromide absorption chiller system formula structure that fuses, and utilize the above-mentioned 65-80 that mentions ℃ used heat as the thermal source collector with the low-grade heat source of gathering.
Referring to Fig. 3, Fig. 3 is the schematic flow sheet that the utility model device is used for the mono-potency lithium bromide absorption system.Described heater comprises thermal source collector 1, gas reservoir 2, vortex tube 3, first heat exchanger 4, first condenser 15, first solution pump 16, second heat exchanger 7, the 3rd heat exchanger 8, second condenser 9, evaporimeter 10, second solution pump 11, absorber 12, the 3rd solution pump 13, the 4th heat exchanger 14; The gas vent of thermal source collector 1 links to each other with the gas feed of gas reservoir 2, the top gas outlet of gas reservoir 2 links to each other with the import of vortex tube 3, the bottom liquid outlet of gas reservoir 2 links to each other with the liquids recovery mouth of thermal source collector 1, the hot junction outlet of vortex tube 3 links to each other with first import of first heat exchanger 4, first outlet of first heat exchanger 4 links to each other with first import of the 3rd heat exchanger 8, first outlet of the cold side outlet of vortex tube 3 and the 3rd heat exchanger 8 is connected to first import of second heat exchanger 7, first outlet of second heat exchanger 7 links to each other with the import of first condenser 15, the outlet of first condenser 15 links to each other with the import of first solution pump 16, the outlet of first solution pump 16 links to each other with second import of second heat exchanger 7, second outlet of second heat exchanger 7 links to each other with second import of the 3rd heat exchanger 8, second outlet of the 3rd heat exchanger 8 links to each other with the bottom inlet of thermal source collector 1, second outlet and second condenser 9 of first heat exchanger 4, evaporimeter 10, absorber 12, the 3rd solution pump 13 is connected successively, and (outlet of second condenser 9 links to each other with first import of evaporimeter 10, first outlet of evaporimeter 10 links to each other with first import of absorber 12), the outlet of the 3rd solution pump 13 links to each other with first import of the 4th heat exchanger 14, first outlet of the 4th heat exchanger 14 links to each other with second import of first heat exchanger 4, the 3rd outlet of first heat exchanger 4 links to each other with second import of the 4th heat exchanger 14, second outlet of the 4th heat exchanger 14 links to each other with second import of absorber 12, second outlet of evaporimeter 10 links to each other with the import of second solution pump 11, and the outlet of second solution pump 11 links to each other with second import of evaporimeter 10.
In the present embodiment, first heat exchanger is a mono-potency lithium bromide absorption system generator, and second heat exchanger is a cryogenic heat exchanger, and the 3rd heat exchanger is a high-temperature heat-exchanging, and low-grade heat source is 65-80 ℃ the used heat that boiler produces, and fluid working substance is R245ca.With volume flow is 1000NM 3The fluid working substance R245ca of/h feeds thermal source collector 1, and R245ca enters in the gas reservoir 2 reach the 60-75 ℃ of high pressure conditions under the temperature after through 1 heating of thermal source collector after.Carry out gas-liquid separation owing to leak the R245ca fluid liquid working medium and the gaseous working medium in the gas reservoir 2 of hot condensation in gas reservoir 2 in pipeline and gas reservoir 2, gas reservoir 2 has the effect of stabilizing gas pressure simultaneously.The liquid that gas-liquid separation goes out exports the liquids recovery mouth that flow to thermal source collector 1 from the bottom liquid of gas reservoir 2, passes back in the thermal source collector 1.Fluid working substance after gas reservoir 2 voltage stabilizings flows out from the top gas outlet of gas reservoir 2, enter vortex tube 3 with high pressure conditions, the hot junction outlet outflow temperature of vortex tube 3 is the high-temperature low-pressure fluid working substance about 100-120 ℃, this high-temperature low-pressure fluid working substance flows into first heat exchanger 4 and emits a large amount of heats then, enter the 3rd heat exchanger 8 and the liquid heat exchange that backflows from second heat exchanger 7 subsequently, mix with the low-temp low-pressure fluid working substance that flows out from the cold side outlet of vortex tube 3 then, enter 7 heat releases of second heat exchanger, again through first condenser 15 be condensed into liquid after by 16 superchargings of first solution pump, highly pressurised liquid second heat exchanger 7 of flowing through successively, the 3rd heat exchanger 8 enters thermal source collector 1, finishes circulation.First heat exchanger 4 obtains a large amount of heats from the high temperature R245ca that comes out in the vortex tube hot junction, be provided with this refrigeration system and realize refrigeration.Because fluid working substance R245ca is heated the back temperature under this heat source temperature higher, so increase by the 3rd heat exchanger in the present embodiment, the 3rd heat exchanger that is provided with in the present embodiment can reduce the thermic load of condenser, improve the temperature of the fluid working substance that passes back into the thermal source collector, improve the Waste Heat Recovery rate of system.
By present embodiment is carried out analog computation, can obtain following table 3.
The refrigerating capacity that obtains under different low-grade heat source temperature of table 3 and the temperature condition
Figure BDA0000057876880000091
Figure BDA0000057876880000101
Wherein, the condensation temperature in second condenser 7 is 32 ℃, and the condensation temperature in first condenser 15 is 35 ℃, and the chilled water outlet temperature in the evaporimeter 10 is 7 ℃, and the R245ca volume flow is 1000NM 3/ h.By table 3 as can be seen, can with 65-80 ℃ used heat after the heating of this device, reach about 100-120 ℃ to drive the lithium bromide refrigerator refrigeration.Also can draw under this imposes a condition by table 3, when heat source temperature was heated to 110 ℃, this refrigeration system with lithium bromide absorption can obtain maximum cooling capacity, thereby had maximally utilised low-grade heat source.
In sum, utilize about 65-80 ℃ used heat that boiler produces with fluid working substance after the heating of present embodiment device, temperature can reach 100-120 ℃, then it is supplied with absorption system, bromizates the lithium refrigeration system thus and can utilize this 65-80 ℃ thermal source.

Claims (4)

1. heater that utilizes low-grade heat source, it is characterized in that: this device comprises thermal source collector, gas reservoir, vortex tube, first heat exchanger, second heat exchanger, condenser, solution pump; The gas vent of described thermal source collector links to each other with the gas feed of described gas reservoir, the top gas outlet of described gas reservoir links to each other with the import of described vortex tube, the bottom liquid outlet of described gas reservoir links to each other with the liquids recovery mouth of described thermal source collector, the hot junction outlet of described vortex tube links to each other with first import of described first heat exchanger, first outlet of the cold side outlet of described vortex tube and described first heat exchanger is connected to first import of described second heat exchanger, first outlet of described second heat exchanger links to each other with the import of described condenser, the outlet of described condenser links to each other with the import of described solution pump, described solution delivery side of pump links to each other with second import of described second heat exchanger, and second outlet of described second heat exchanger links to each other with the bottom inlet of described thermal source collector.
2. the heater that utilizes low-grade heat source according to claim 1, it is characterized in that: between described first heat exchanger and described second heat exchanger, the 3rd heat exchanger is set, first import of described the 3rd heat exchanger links to each other with first outlet of described first heat exchanger, first outlet of described the 3rd heat exchanger links to each other with first import of described second heat exchanger, second import of described the 3rd heat exchanger links to each other with second outlet of described second heat exchanger, and second outlet of described the 3rd heat exchanger links to each other with the bottom inlet of described thermal source collector.
3. the heater that utilizes low-grade heat source according to claim 1 is characterized in that: described heater and the hot water heat pump system formula structure that fuses.
4. the heater that utilizes low-grade heat source according to claim 1 is characterized in that: described heater and the mono-potency lithium bromide absorption system formula structure that fuses.
CN2011201284587U 2011-04-27 2011-04-27 Heating device utilizing low grade heat source Expired - Lifetime CN202048721U (en)

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102230687A (en) * 2011-04-27 2011-11-02 浙江大学 Heating device using low-grade heat source
CN104121651A (en) * 2014-08-04 2014-10-29 浙江建设职业技术学院 Wind-driven multifunctional vortex tube refrigeration and air conditioning system
CN104456940A (en) * 2014-12-24 2015-03-25 武汉浩宏科技有限公司 Intelligent heat-pump water heater
CN104501460A (en) * 2014-12-24 2015-04-08 武汉浩宏科技有限公司 Enthalpy-increasing low-temperature heat pump
CN105783320A (en) * 2016-05-09 2016-07-20 珠海格力节能环保制冷技术研究中心有限公司 Air conditioner system
CN104121651B (en) * 2014-08-04 2017-01-04 浙江建设职业技术学院 The vortex tube multifunction refrigeration air conditioner system that a kind of wind energy drives
CN106642783A (en) * 2015-11-04 2017-05-10 邵再禹 Vortex tube refrigeration air-conditioner working method

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102230687A (en) * 2011-04-27 2011-11-02 浙江大学 Heating device using low-grade heat source
CN102230687B (en) * 2011-04-27 2012-10-10 浙江大学 Heating device using low-grade heat source
CN104121651A (en) * 2014-08-04 2014-10-29 浙江建设职业技术学院 Wind-driven multifunctional vortex tube refrigeration and air conditioning system
CN104121651B (en) * 2014-08-04 2017-01-04 浙江建设职业技术学院 The vortex tube multifunction refrigeration air conditioner system that a kind of wind energy drives
CN104456940A (en) * 2014-12-24 2015-03-25 武汉浩宏科技有限公司 Intelligent heat-pump water heater
CN104501460A (en) * 2014-12-24 2015-04-08 武汉浩宏科技有限公司 Enthalpy-increasing low-temperature heat pump
CN104456940B (en) * 2014-12-24 2017-01-25 武汉浩宏科技有限公司 Intelligent heat-pump water heater
CN106642783A (en) * 2015-11-04 2017-05-10 邵再禹 Vortex tube refrigeration air-conditioner working method
CN105783320A (en) * 2016-05-09 2016-07-20 珠海格力节能环保制冷技术研究中心有限公司 Air conditioner system

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