CN102840636A - Heat energy recovery device - Google Patents
Heat energy recovery device Download PDFInfo
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- CN102840636A CN102840636A CN2011103317518A CN201110331751A CN102840636A CN 102840636 A CN102840636 A CN 102840636A CN 2011103317518 A CN2011103317518 A CN 2011103317518A CN 201110331751 A CN201110331751 A CN 201110331751A CN 102840636 A CN102840636 A CN 102840636A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0096—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater combined with domestic apparatus
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0007—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning
- F24F5/0017—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning using cold storage bodies, e.g. ice
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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
- F25B27/00—Machines, plants or systems, using particular sources of energy
- F25B27/02—Machines, plants or systems, using particular sources of energy using waste heat, e.g. from internal-combustion engines
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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
- F25B30/00—Heat pumps
- F25B30/06—Heat pumps characterised by the source of low potential heat
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0046—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater using natural energy, e.g. solar energy, energy from the ground
- F24F2005/0064—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater using natural energy, e.g. solar energy, energy from the ground using solar energy
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/27—Relating to heating, ventilation or air conditioning [HVAC] technologies
- Y02A30/272—Solar heating or cooling
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/20—Solar thermal
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/14—Thermal energy storage
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Sustainable Development (AREA)
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
- Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
- Other Air-Conditioning Systems (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
A heat recovery device consists of an air exhaust heat absorber, a water draining heat absorber, a circulation water pump, a water receiver, a room air conditioner, a refrigerating system and a power distribution control system. The air exhaust heat absorber is installed in equipment such as a kitchen ventilator and an exhaust hood for removing high-temperature waste gas and is subjected to heat exchange with the high-temperature waste gas such as cooking fumes. The water draining heat absorber is installed at the position through which high-temperature waste water such as kitchen washing water passes and is subjected to heat exchange with the high-temperature waste gas. Water or refrigerating fluid is filled in the air exhaust heat absorber and the water draining heat absorber, and heat energy discharged in life and production is collected into the water receiver by the circulation of the circulation water pump or the refrigerating system so as to provide domestic hot water and air conditioning hot water for a user and simultaneously save fuel. The air exhaust heat absorber and the water draining heat absorber can be not only installed in a kitchen and also can be installed at other available places in which discharged waste heat can be utilized, and the room air conditioner is installed in the refrigerating system to supply cold air and hot air to a room, so that the device not only can recover the waste heat in a kitchen or other places, and also can be used as an air conditioner.
Description
Technical field
The invention belongs to the air conditioner refrigerating field, be specifically related to adopt refrigeration machine to reclaim the device of heat energy.
Background technology
Family kitchen, restaurant operation room consume a large amount of fuel in food cooking manufacturing process, produce the great amount of high-temperature oil flue waste gas; And high-temperature wash waste water, oil smoke is discharged to outdoor by smoke exhaust ventilator, enclosure, and washes enters sewer; Heat energy wherein is discharging thereupon also, does not recycle, simultaneously; Also need heat domestic hot-water, air conditioning hot, therefore waste mass energy with heat energy.Be not only in food cooking manufacturing process,, also exist many heat energy to discharge, do not have the phenomenon of recycling arbitrarily in the others of life, production.
Summary of the invention
The object of the present invention is to provide a kind of device that can reclaim heat energy.
Solution of the present invention is: heat-energy recovering apparatus is made up of air draft heat dump, draining heat dump, water circulating pump, water receiver, refrigeration system, power distribution control system.The air draft heat dump is contained in smoke exhaust ventilator, enclosure etc. to be got rid of in the equipment of high-temp waste gas, carries out heat exchange with high-temp waste gas such as oil smoke.The draining heat dump is contained in the position of hot waste water processes such as kitchen washing, carries out heat exchange with hot waste water.In air draft heat dump, the draining heat dump water or cold-producing medium are housed,, the thermal energy collecting that discharges in life, the production in water receiver, for the user provides domestic hot-water, air conditioning hot, have been saved fuel simultaneously through the circulation of water circulating pump or refrigeration system.
Description of drawings
Fig. 1 is heat-energy recovering apparatus system diagram (1)
Fig. 2 is heat-energy recovering apparatus system diagram (2)
Fig. 3 is the heat-energy recovering apparatus (1) that has refrigeration system
Fig. 4 is the heat-energy recovering apparatus (2) that has refrigeration system
Fig. 5 is the heat-energy recovering apparatus (3) that has refrigeration system
Fig. 6 is the heat-energy recovering apparatus (4) that has refrigeration system
Fig. 7 is three control multiple energy recovery air-conditioning system figure (1)
Fig. 8 is three control multiple energy recovery air-conditioning system figure (2)
Fig. 9 is the heat-energy recovering apparatus (5) that has refrigeration system
Figure 10 is the heat-energy recovering apparatus (6) that has refrigeration system
Figure 11 is the heat-energy recovering apparatus (1) that has heat pump
Figure 12 is the heat-energy recovering apparatus (2) that has heat pump
Figure 13 is the heat-energy recovering apparatus (1) that has wind-wind-heat interchanger
Figure 14 is the heat-energy recovering apparatus (2) that has wind-wind-heat interchanger
Figure 15 is the three control multiple energy recovery air-conditioning system figure (1) that have solar energy
Figure 16 is the three control multiple energy recovery air-conditioning system figure (2) that have solar energy
Figure 17 is the heat-energy recovering apparatus (1) that has solar energy and refrigeration system
Figure 18 is the heat-energy recovering apparatus (2) that has solar energy and refrigeration system
Figure 19 is the heat-energy recovering apparatus (3) that has solar energy and refrigeration system
Figure 20 is the heat-energy recovering apparatus (4) that has solar energy and refrigeration system
Figure 21 is the heat-energy recovering apparatus (5) that has solar energy and refrigeration system
Figure 22 is the heat-energy recovering apparatus (6) that has solar energy and refrigeration system
Figure 23 is the heat-energy recovering apparatus (1) that has solar energy hot blast device and refrigeration system
Figure 24 is the heat-energy recovering apparatus (2) that has solar energy hot blast device and refrigeration system
Description of reference numerals:
1, air draft heat dump, 2, the draining heat dump, 3, water receiver, 4,121, room air conditioner, 5, expander; 6,95,98,102,120, water circulating pump, 7,8,9,10,29,39,90,106,107, electric control valve, 11,12,13,14,20,21,22,27,28,67,116,117,118,119, valve, 15,52, pressure fan, 16, gas-liquid separator; 17, compressor, 18, oil eliminator, 19, the oil return capillary, 23, reservoir, 24, device for drying and filtering; 25, liquid-sighting glass, 26,30,31,32,33,35,69,87,94,104, the expansion device, 34, the freezing and refrigeration device, 36,68, Intermediate Heat Exchanger, 37, outdoor heat exchanger; 38,63, exhaust blower, 40,41,42,43,73,74,75,76,92,93,108,109,110,111,112,113,131,132,133,134, magnetic valve, 44, the low pressure tracheae, 45, high-pressure air pipe, 46, high pressure (or middle pressure) liquid pipe; 47, wind pushing box, 48, the air draft case, 49,59,78,84,125,126,127,128,129, fresh wind port, 50,77,130, return air inlet, 51,60, filter; 53, airtight baffle, 54,89, evaporimeter, 55, humidifier, 56, water fender, 57, air outlet; 58,85, air inlet, 61, condenser, 62, electric cabinet, 64, exhaust outlet, 65, by-passing valve; 66, cold-producing medium circulating pump, 70,114, check valve, 71,72, four-way change-over valve, 79,83, hot-blast valve, 80, the waste gas airduct; 81, fresh wind tube, 82, the airduct heat exchanger, 86, heat exchange of heat pipe, 88, solar heat absorber; 91, baker, 96, flooring radiation air-conditioning coil pipe, 97, solar water heater, 99, boiler; 100, running water pipe, 101, water condenser, 103, the hot water user, 105, outdoor evaporimeter; 115, water-refrigerant heat exchanger, 122, the board-like fan heater of solar energy, 123, the solar vacuum tube type fan heater, 124, solar heat tubular type fan heater
The practical implementation way
Fig. 1 is a kind of heat-energy recovering apparatus system diagram; This equipment is made up of air draft heat dump 1, draining heat dump 2, water receiver 3, room air conditioner 4, expander 5, water circulating pump 6, electric control valve (7,8,9,10), valve (11,12,13,14), circulation line, circulatory mediator, power distribution control system, and they are linked in sequence into the circulatory system.Air draft heat dump 1 has electric control valve 7, and draining heat dump 2 has electric control valve 8, and both are connected in parallel in the system, and air draft heat dump 1, draining heat dump 2 adopts the heat exchanger of hosepipe formulas, helix tube type, form such as board-like, makes with metal material usually.Air draft heat dump 1 is contained in smoke exhaust ventilator, the enclosure, is contained on its panel, or in the air channel, bellows, can carries out sufficient heat exchange with high-temperature oil smoke waste gas.Draining heat dump 2 is contained in the position of high-temperature wash waste water process, as: below the kitchen range top, in the gutter, kitchen, in the oil interceptor, or the position such as be embedded in the kitchen floor, can carry out sufficient heat exchange with hot waste water.Water receiver 3 can adopt the heat exchanger of helix tube type, shell-tube type, bushing type, version such as board-like, uses enclosed that pressure vessel or open type non-pressure vessel are arranged, and wherein can adorn electricity or combustion gas assisted heating device, and what adopt among the figure is that enclosed has pressure vessel.Room air conditioner 4 and pressure fan 15 can be placed in the kitchen or other needs the room of air-conditioning; Circular treatment room air or outdoor new wind, the heat exchanger of forms such as its employing fan coil is made with copper pipe and aluminium fin; Signal is provided with two room air conditioners 4 among the figure, can be provided with one or some.Expander 5 can adopt expansion gears such as expansion tank or expansion drum.Water circulating pump 6 is a variable frequency pump. Electric control valve 7,8,9,10 can be regulated quantity of circulating water automatically.Circulating line adopts high temperature resistant, high pressure resistant, free of contamination material.Circulatory mediator adopts nontoxic clean liquids such as water usually.Power distribution control system is made up of distribution system and automatic control system; Distribution system is that water circulating pump 6, pressure fan 15 provide power supply; The keying and the aperture of the start and stop of automatic controlling system water circulating pump 6 and speed governing, electric control valve 7,8,9,10; Temperature and other signal transducer are housed in air draft heat dump 1, draining heat dump 2, the water receiver 3, temperature and other signal are sent to automatic control system, the automatical and efficient and stable operation of assurance system.
The course of work of this system is such: water receiver 3 inserts running water, opens electric control valve 7,8,9,10, starts water circulating pump 6; Cold water is heated, in draining heat dump 2, is heated by high-temperature wash waste water by high-temperature oil smoke waste gas in air draft heat dump 1, becomes hot water, in water receiver 3, carries out heat exchange with running water; By running water cooling cooling, become cold water again and get back to water circulating pump 6, and running water is heated to form hot water confession user use; Saved fuel simultaneously, in the winter time, when the room need send hot blast; Open valve 11,14, electric control valve 9, hot water gets into room air conditioner 4, drives pressure fan 15; Send hot blast to the room, the above-mentioned circulatory system is a closed circulation system.Generally, the design heating load of water receiver 3, room air conditioner 4 can not surpass the used heat total load in kitchen, but the used heat in kitchen is discontinuous, unsettled; Used heat is only arranged when cooking; Duration is shorter, and the heating demand of room air conditioner 4 is continuous and stable, therefore in system, can increase electric assistant heating equipment; Or introducing other thermal source, system has inserted the hot and cold water of outside air-conditioning system among the figure.When winter heating, open valve 11,12,13,14, the hot water of outside air-conditioning system enters into system; When freezing summer, valve-off 11,14 is opened valve 12,13, and the cold water of outside air-conditioning system enters into room air conditioner 4.Valve 11,12,13,14 can adopt gate valve, magnetic valve, electric control valve etc.
Air draft heat dump 1, draining heat dump 2 also can be contained in the place that other has waste heat discharge; As: the kitchen exhaust air channel of residential building, toilet exhausting duct discharging waste gas; Discharge bath wastewater between common plunge bath, domestic hygiene; Wherein contain a large amount of heat energy, establish air draft heat dump 1, draining heat dump 2 can be recycled.Draining heat dump 2 also can be contained in the solar water heating system, absorbs the heat energy of the sun.Therefore, in system, can establish one or more air draft heat dump 1, draining heat dump 2.
Fig. 2 is another kind of heat-energy recovering apparatus system diagram, and this circulatory system is the directly-heated type circulatory system, and water receiver 3 is open type non-pressure vessel (also can adopt enclosed that pressure vessel is arranged), band water temperature, water level controller.Running water is recycled water pump 6 and delivers in air draft heat dump 1, the draining heat dump 2, directly carries out heat exchange with high-temperature oil smoke waste gas, washes, and heat exchange efficiency improves, but pipeline is when taking place to leak, and running water is prone to by high-temperature oil smoke waste gas, washes pollution.
Fig. 3 is a kind of heat-energy recovering apparatus system diagram that has refrigeration system; The cooling cycle system that it is made up of air draft heat dump 1, draining heat dump 2, water receiver 3, room air conditioner 4, compressor 17, expansion device 26, servicing unit, circulating line, cold-producing medium, servicing unit comprise gas-liquid separator 16, oil eliminator 18, oil return capillary 19, reservoir 23, device for drying and filtering 24, liquid-sighting glass 25 etc.The high temperature refrigerant of from compressor 17, discharging carries out heat exchange with running water in water receiver 3; Cooling is cooled; Running water becomes hot water; Electric control valve 10,7,8 is regulated the flow that gets into the cold-producing medium in room air conditioner 4, air draft heat dump 1, the draining heat dump 2 respectively, and low-temperature low-pressure refrigerant evaporates heat absorption in air draft heat dump 1, draining heat dump 2, absorbs the heat energy in high-temp waste gas, the waste water; Room air conditioner 4 and pressure fan 15 can be placed in the kitchen or other needs the place of air-conditioning; Circular treatment room air or outdoor new wind, it can convert evaporimeter or condenser to, realizes sending summer and send hot blast, the transition season three kinds of operating modes of not working in cold wind, winter.
When room air conditioner send cold wind 4 summers; Valve-off 20,22; Open valve 21,27,28; Electric control valve 7,8,10 unlatching work; Low-temperature low-pressure refrigerant evaporates heat absorption therein, absorbs the heat in the space air, and the cold-producing medium cyclic process is such: compressor 17 → oil eliminator 18 → water receiver 3 → valve 21 → reservoir 23 → device for drying and filtering 24 → liquid-sighting glass 25 → expansion device 26 → valve 27 → electric control valve 10 → room air conditioner 4 → valve 28/ electric control valve 7 → air draft heat dump 1/ electric control valve 8 → draining heat dump 2 → gas-liquid separator 16 → compressor 17.
When room air conditioner send hot blast 4 winters; Valve-off 21,27,28; Open valve 20,22; Electric control valve 7,8,10 unlatching work; High temperature refrigerant further cools therein, in space air, dispels the heat, and the cold-producing medium cyclic process is such: compressor 17 → oil eliminator 18 → water receiver 3 → valve 20 → room air conditioner 4 → electric control valve 10 → valve 22 → reservoir 23 → device for drying and filtering 24 → liquid-sighting glass 25 → expansion device 26 → electric control valve 7 → air draft heat dump 1/ electric control valve 8 → draining heat dump 2 → gas-liquid separator 16 → compressor 17.
When room air conditioner 4 transition seasons are not worked; Valve-off 20,22,27,28; Open valve 21; Electric control valve 7,8 unlatching work, the cold-producing medium cyclic process is such: compressor 17 → oil eliminator 18 → water receiver 3 → valve 21 → reservoir 23 → device for drying and filtering 24 → liquid-sighting glass 25 → expansion device 26 → electric control valve 7 → air draft heat dump 1/ electric control valve 8 → draining heat dump 2 → gas-liquid separator 16 → compressor 17.
Above-mentioned three kinds of operating modes, water receiver 3 can both provide hot water, and when sending hot blast winter, the heat of cold-producing medium at first satisfies the demand of water receiver 3, might satisfy not the demand that room air conditioner 4 send hot blast.Because cold-producing medium directly carries out heat exchange with high-temperature oil smoke waste gas, washes in air draft heat dump 1, draining heat dump 2, require the temperature of oil flue waste gas, washes should not be too high, otherwise the cold-producing medium suction temperature be too high, the refrigeration system fluctuation of service.The same with the described system of Fig. 1; The air draft heat dump 1 of this system, draining heat dump 2 can not only be contained in kitchen, the operation room; Also can be contained in other available place of waste heat discharge is arranged; When not having high temperature waste hot, air draft heat dump 1 can be established one or more air draft heat dump 1, draining heat dump 2 as the heat of evaporimeter in also can the absorption chamber outer air in system.Signal is provided with two room air conditioners 4 among the figure, and one or more room air conditioner 4 can be set, and the heat exchanger of forms such as its employing direct-expansion type structure coil pipe guarantees that cold-producing medium evaporates and condensation therein, and heat exchanger is made with copper pipe and aluminium fin.Valve 20,21,22,27,28 can change magnetic valve into, and electric control valve 7,8,10 can change the expansion device into, cancels expansion device 26 then.Because room air conditioner refrigeration in 4 summers, winter heat, this refrigeration system also can be described as heat pump, and when cancellation valve 20,22, room air conditioner 4 can only freeze summer, and this refrigeration system is called single cooling system, and it is applicable to the southern area of the hot blast of not bothering to see me out winter.Have many air draft heat dumps 1, draining heat dump 2, room air conditioner 4 in the above-mentioned refrigeration system, also can be described as the multiple refrigeration system.
The said equipment has power distribution control system, and wherein distribution system is that compressor 17, pressure fan 15, automatic control system provide power supply, and compressor 17 is a variable conpacitance compressor; Like frequency conversion rotator type, vortex, screw compressor, pressure fan 15 is the frequency control blower fan, when power system capacity big; When many room air conditioners 4 are arranged, can establish two and above compressor 17, when multiple compressors 17 parallel runnings are arranged in the system; Compressor 17 all adopts the constant volume compressor, or all adopts variable conpacitance compressor, perhaps adopts the combination of variable conpacitance compressor and constant volume compressor; The combinations thereof mode can realize the varying capacity operation, reaches purpose of energy saving.Signal transducers such as temperature, pressure are housed in the system; Temperature, pressure and other signal are sent to automatic control system; Automatic control equipment is according to high-temperature oil smoke waste gas, washes, water receiver 3, indoor-outdoor air variation of temperature; The aperture of the capacity of automatic control compressor 17, pressure fan 15 rotating speeds, expansion device 26 and electric control valve 7,8,10 guarantees the efficient and stable operation of refrigeration system.Equipment such as controller, display, sensor, actuator are arranged in the automatic control system; Usually adopt system controlled by computer (like the PLC controller); Have functions such as autonomous setup parameter, fault detect, automatic warning; Can pass through the touch-screen field control, also can pass through computer keyboard, mouse long control, and realize network control through LAN, internet.
Water receiver 3 is connected in parallel in the system with room air conditioner 4 among Fig. 4; Electric control valve 9,29 is regulated the high-temperature high-pressure refrigerant flow that gets into wherein, and expansion device 30,31,32,33 is regulated the low-temperature low-pressure refrigerant flow that gets in room air conditioner 4, air draft heat dump 1, draining heat dump 2, the freezing and refrigeration device 34 respectively.Freezing and refrigeration device 34 is refrigerator, ice box.When room air conditioner freezed for 4 summers, valve-off 22, electric control valve 29 were opened valve 28, expansion device 30; During winter heating, valve-off 28, expansion device 30 are opened valve 22, electric control valve 29. Valve 22,28 can change magnetic valve into.
Air draft heat dump 1, draining heat dump 2 are connected in the refrigeration system through Intermediate Heat Exchanger 36 indirectly among Fig. 5, and in Fig. 3, Fig. 4, air draft heat dump 1, draining heat dump 2 are directly connected in the refrigeration system, and cold-producing medium is directly evaporation heat absorption therein.Air draft heat dump 1, draining heat dump 2, Intermediate Heat Exchanger 36, expander 5, water circulating pump 6 are linked in sequence into the circulatory system; Circulatory mediator adopts nontoxic clean liquids such as water usually; Air draft heat dump 1 has electric control valve 7; Draining heat dump 2 has electric control valve 8, and both are connected in parallel in the system, can establish one or more air draft heat dump 1, draining heat dump 2.Water circulating pump 6 is transported to the heat energy of high-temp waste gas, waste water in the Intermediate Heat Exchanger 36, and low-temperature low-pressure refrigerant evaporates heat absorption therein, through kind of refrigeration cycle, finally is sent to heat energy in the water receiver 3, adds hot tap-water.Intermediate Heat Exchanger 36 can adopt the heat exchanger of helix tube type, shell-tube type, bushing type, version such as board-like.Room air conditioner send cold wind as evaporimeter 4 summers, and convert condenser to and send hot blast winter.Two water receivers 3 are arranged among the figure, be connected in parallel in the system, one is the open type non-pressure vessel, and the domestic hot-water can be provided, and another is that enclosed has pressure vessel, can be used for providing the air-conditioning heating hot water, and system can connect a plurality of water receivers 3.This system hypothermia low pressure refrigerant not directly and high-temp waste gas, waste water heat exchange, but the intermediate medium heat exchange lower with temperature, the cold-producing medium suction temperature can be not too high, it is stable to help system.Air draft heat dump 1 is a plate type heat exchanger among the figure, in its cavity, is provided with water circulation guiding gutter, and air draft heat dump 1 can be used as the panel of smoke exhaust ventilator, enclosure, also can be placed in the casing or the air channel in.
Increased outdoor heat exchanger 37 among Fig. 6, it adopts the heat exchanger of form such as direct-expansion type structure coil pipe, guarantees that cold-producing medium evaporates and condensation therein, and heat exchanger is with copper pipe and the making of aluminium fin.Draining heat dump 2 directly is connected in the refrigeration system, and has freezing and refrigeration device 34.When water receiver 3 does not need heat energy when heating, or when needing the heat energy heating, system conditions is following:
When water receiver 3 did not need the heat energy heating, if room air conditioner send cold wind 4 summers, air draft heat dump 1, draining heat dump 2 were not worked, and the heat energy in room can be discharged into outdoor through outdoor heat exchanger 37; If room air conditioner send hot blast 4 winters, when having enough used heat capable of using, outdoor heat exchanger 37 is not worked; Used heat is discharged to indoor through room air conditioner 4, when not having enough used heat capable of using, outdoor heat exchanger 37 converts evaporimeter to; The heat of absorption chamber outer air replenishes not enough part; When transition season, room did not need air-conditioning, system quit work.
When water receiver 3 needed the heat energy heating, if room air conditioner send cold wind 4 summers, a used heat part was used for the heating of water receiver 3; A part is discharged into outdoor through outdoor heat exchanger 37; When not having enough used heat capable of using, outdoor heat exchanger 37 converts evaporimeter to, the heat of absorption chamber outer air; Also need before outdoor heat exchanger 37, add an expansion device, this extreme case was difficult to occur in summer; If room air conditioner send hot blast 4 winters, a used heat part is used for the heating of water receiver 3, and a part is discharged to indoor through room air conditioner 4; When not having enough used heat capable of using; Outdoor heat exchanger 37 converts evaporimeter to, and the heat of absorption chamber outer air replenishes not enough part; Transition season, room air conditioner 4, outdoor heat exchanger 37 are not worked, and used heat is used for the heating of water receiver 3, when used heat is not enough, priming chamber external heat exchanger 37, refrigeration system work.
When do not have used heat winter; Room air conditioner 4 need send hot blast; Water receiver 3 needs heating (or not heating); Open magnetic valve 40, close electric control valve 39, outdoor heat exchanger 37 becomes evaporimeter; The heat energy of absorption chamber outer air, the cold-producing medium cyclic process is such: compressor 17 → oil eliminator 18 → electric control valve 9 → water receiver 3 → valve 22/ electric control valve 29 → room air conditioner 4 → expansion device 30 → liquid-sighting glass 25 → device for drying and filtering 24 → reservoir 23 → outdoor heat exchanger 37 → magnetic valve 40 → gas-liquid separator 16 → compressor 17.When do not have icing harm winter, also can cancel magnetic valve 40,41, open smoke exhaust ventilator, enclosure blower fan, utilize the heat energy of air draft heat dump 1 absorption chamber outer air.
Heat-energy recovering apparatus is connected on the three control multiple heat pump recovery type heat air-conditioning units as the end of air-conditioning system among Fig. 7.Air draft heat dump 1, draining heat dump 2, freezing and refrigeration device 34 directly are connected across on low pressure tracheae 44, high pressure (or middle pressure) the liquid pipe 46 among the figure; Water receiver 3 is connected across on high-pressure air pipe 45, high pressure (or middle pressure) the liquid pipe 46; Room air conditioner 4 is connected across on low pressure tracheae 44, high-pressure air pipe 45, high pressure (or middle pressure) the liquid pipe 46, the conversion of magnetic valve 42,43 control room air conditioners, 4 refrigeration or heating mode; It has heat pump recuperation of heat air-conditioning unit, and this unit is made up of wind pushing box 47, air draft case 48, it to indoor send new wind in; Can reclaim cold and heat in the indoor exhaust wind, evaporimeter 54 is connected across on three control systems with condenser 61, and evaporimeter cools off new wind 54 summers; The conversion in winter turns to condenser and heats new wind, and condenser heats indoor exhaust wind 61 summers, absorbs the cold in the air draft; Be converted into the evaporator cools indoor exhaust wind winter, absorb the heat in the air draft.In the said system, the equipment that has is in refrigeration, and the equipment that has is simultaneously heating, and the used heat of discharging obtains recycling.
Air draft heat dump 1, draining heat dump 2 are connected across on low pressure tracheae 44, high pressure (or middle pressure) the liquid pipe 46 through Intermediate Heat Exchanger 36 indirectly among Fig. 8.
Heat-energy recovering apparatus is as the end of air-conditioning system among Fig. 7, Fig. 8; Be connected on the three control multiple heat pump recovery type heat air-conditioning systems; It also can be connected on the two control multiple heat pump recovery type heat air-conditioning systems; Or be connected on the water loop heat pump air conditioning system, or be connected on other air-conditioning refrigeration system with energy recovery function.
Increased a cold-producing medium circulating pump 66 among Fig. 9, when waste gas, when wastewater temperature is too high, compressor 17 is shut down; Valve-off 67 starts cold-producing medium circulating pump 66, and the low temperature liquid cold-producing medium is transported to heat absorption intensification in air draft heat dump 1, the draining heat dump 2; Cool through water receiver 3, be back to reservoir 23, enter into cold-producing medium circulating pump 66 again; Accomplished the cyclic process of an energy recovery, valve 67 can change magnetic valve into.
Figure 10 is a kind of heat-energy recovering apparatus system diagram that has the two-stage system cooling system; It has one-level, secondary two cover refrigeration systems; The formation secondary conducts heat, and both link to each other through Intermediate Heat Exchanger 68, and it is as the condenser of one-level refrigeration system, the evaporimeter of two-stage system cooling system.Heat energy passes through two-stage hoisting; Water temperature in the water receiver 3 can rise to more than 55 ℃; Water temperature than one-level refrigeration system improves more than 15 ℃; Intermediate Heat Exchanger 68 can adopt the heat exchanger of helix tube type, shell-tube type, bushing type, version such as board-like, and its exchange media is cold-producing medium-cold-producing medium, or cold-producing medium-water-cold-producing medium.
Figure 11 is the heat-energy recovering apparatus system diagram that has heat pump; It has increased four-way change-over valve 71,72; Through both turning to, realize room air conditioner 4, outdoor heat exchanger 37 heats or the conversion of refrigeration mode, the circulation shown in the figure is a kind of refrigeration cycle; Room air conditioner 4 is in refrigeration, and outdoor heat exchanger 37 is heating.No matter which kind of mode of operation heat pump is, air draft heat dump 1, draining heat dump 2 are refrigeration mode all the time, and water receiver 3 is heating mode all the time.Two compressors 17, two room air conditioner 4 parallel operations are arranged, when power system capacity is big, when many room air conditioners 4 are arranged among the figure; Can establish two and above compressor 17, when multiple compressors 17 parallel runnings were arranged in the system, compressor 17 all adopted the constant volume compressor; Or all adopt variable conpacitance compressor; Perhaps adopt the combination of variable conpacitance compressor and constant volume compressor, the combinations thereof mode can realize the varying capacity operation, reaches purpose of energy saving.Electric control valve 10 can change the expansion device into, cancellation expansion device 30.
Magnetic valve 73,74,75,76 has replaced the four-way change-over valve 72 among Figure 11 among Figure 12.Open when magnetic valve 73,74, when magnetic valve 75,76 cut out, what system carried out was kind of refrigeration cycle; When magnetic valve 73,74 cuts out, when magnetic valve 75,76 was opened, what system carried out was to heat circulation.
Above-mentioned heat pump also can replace magnetic valve 73,74,75,76 with check valve, realizes the conversion of refrigeration and heating mode.
Figure 13 is a kind of heat-energy recovering apparatus that has wind-wind-heat interchanger, and it is a heat pump, has airduct heat exchanger 82, and outdoor new wind by the high-temp waste gas heating, reclaims the heat energy in the waste gas therein, and system conditions is following:
In summer, when water receiver 3 needed heating, heat was from the heat of high-temp waste gas, room air, outdoor air, freezing and refrigeration device 34.When high-temp waste gas, outdoor air is heated by high-temp waste gas in airduct heat exchanger 82, through hot-blast valve 83, exhaust blower 38; Again with outdoor heat converter 37 heat exchanges; At this moment, outdoor heat converter 37 is an evaporimeter, the heat of absorption chamber outer air; Through kind of refrigeration cycle, heat is delivered to water receiver 3; When not having high-temp waste gas, if use room air conditioner 4, then open fresh wind port 78, return air inlet 77, in the absorption chamber or the heat of outdoor air.If do not use room air conditioner 4, then open fresh wind port 84, the heat of outdoor heat converter 37 absorption chamber outer air.Freezing and refrigeration device 34 also can provide heat for water receiver 3.
In summer, when water receiver 3 need not heat, the heat of freezing and refrigeration device 34 and room air was discharged to outdoor through outdoor heat converter 37.
In the winter time, when water receiver 3 needed heating, heat was from the heat of high-temp waste gas, room air, outdoor air, freezing and refrigeration device 34.When high-temp waste gas, by the high-temp waste gas heating, process hot-blast valve 83, exhaust blower 38 are again with outdoor heat converter 37 heat exchanges in airduct heat exchanger 82 for outdoor air; At this moment, outdoor heat converter 37 is an evaporimeter, the heat of absorption chamber outer air; Through kind of refrigeration cycle, heat is delivered to water receiver 3, if this moment, room air conditioner 4 sent hot blast to the room; When the heat of high-temp waste gas was not enough, fresh wind port 84 was opened, and outdoor heat converter 37 absorbs the heat in high-temp waste gas and the outdoor air simultaneously; When not having high-temp waste gas,, then open fresh wind port 78,84, return air inlet 77, air inlet 85, the heat of outdoor heat converter 37 absorption chamber inner air and outer air if use room air conditioner 4.If do not use room air conditioner 4, then open fresh wind port 84, the heat of outdoor heat converter 37 absorption chamber outer air.Freezing and refrigeration device 34 also can provide heat for water receiver 3.
In the winter time; When water receiver 3 need not heat; The heat that outdoor heat converter 37 absorbs high-temp waste gas, outdoor air is used for air-conditioning; Perhaps outdoor air by after the high-temp waste gas heating, is sent into the room through hot-blast valve 79, pressure fan 15 in airduct heat exchanger 82, the heat of freezing and refrigeration device 34 or be used for air-conditioning or be discharged to outdoor.
At transition season, when water receiver 3 needed heating, heat was from the heat of high-temp waste gas, room air, outdoor air, freezing and refrigeration device 34.When high-temp waste gas, outdoor air is heated by high-temp waste gas in airduct heat exchanger 82, through hot-blast valve 83, exhaust blower 38; Again with outdoor heat converter 37 heat exchanges; At this moment, outdoor heat converter 37 is an evaporimeter, the heat of absorption chamber outer air; Through kind of refrigeration cycle, heat is delivered to water receiver 3; When not having high-temp waste gas, then open fresh wind port 84, the heat of outdoor heat converter 37 absorption chamber outer air.Freezing and refrigeration device 34 also can provide heat for water receiver 3.
At transition season, when water receiver 3 need not heat, equipment quit work.
Various air ports and air-valve are electronic volume damper among the above-mentioned figure, and through automatic control system, control opens and closes and aperture.Reliable for guaranteeing hot blast feeding, can before outdoor heat exchanger 37, room air conditioner 4, increase assisted heating devices such as electricity.
Figure 14 apoplexy-wind-heat interchanger is a heat pipe 86, and outdoor new wind and high-temp waste gas carry out heat exchange through heat pipe 86, reclaims the heat energy in the waste gas, and system conditions is with device shown in Figure 13.
Figure 15 is a kind of three control multiple energy recovery air-conditioning systems that have solar energy, and it has air draft heat dump 1, water receiver 3, room air conditioner 4, solar heat absorber 88, baker 91 etc.Solar heat absorber 88 has evaporimeter 89, cold-producing medium therein directly evaporation absorb solar energy, evaporimeter 89 is calandria, version such as board-like, solar heat absorber 88 can be made box, flat, electron tubes type.Baker 91 can be clothes drying machine, hand drier, and it is the heat energy that utilizes high temperature refrigerant.
Have air draft heat dump 1, room air conditioner 4, solar heat absorber 88, flooring radiation air conditioning system etc. among Figure 16.In flooring radiation air conditioning system, water receiver cooling water in 3 summer, heat supply in winter water are through water circulating pump 95, flooring radiation air-conditioning coil pipe 96, to room cooling in summer, heat supply in winter.
Figure 17 is a kind of heat-energy recovering apparatus that has solar energy and refrigeration system; Solar water heater 97 provides solar water; Be stored in the boiler 99; Draining heat dump 2 absorbs the heat of solar water in boiler 99, air draft heat dump 1 absorbs the heat of high-temp waste gas, to water receiver 3, room air conditioner 4 heat supplies.That solar water heater 97 can adopt is flat, electron tubes type, heat pipe-type etc., room air conditioner cooling in 4 summer, heat supply in winter.
Be provided with outdoor evaporimeter 105 among Figure 19; It can the absorption chamber outer air heat, the heat energy of running water is from outdoor air, high-temp waste gas, solar energy in the heat hot water tank 99, this system does not have room air conditioner 4; It is the refrigeration system of a Dan Leng, only is used to provide hot water.
Among Figure 20, when solar energy is sufficient, the refrigeration system work of stopping; Electric control valve 106, magnetic valve 108,109 are opened, other valve closing, and water circulating pump 98,102 starts; Utilize solar water heater 97 to produce hot water, perhaps refrigeration system also starts simultaneously, air draft heat dump 1,105 work of outdoor evaporimeter; Electric control valve 106,107, magnetic valve 108,109,110 are opened, other valve closing, and water circulating pump 98,102 starts; Utilize water receiver 3 and solar water heater 97 to produce hot water, Fast Heating simultaneously; When solar energy is inadequate; Start refrigeration system; Air draft heat dump 1, draining heat dump 2,105 work of outdoor evaporimeter, electric control valve 106, magnetic valve 111,112,113 are opened other valve closing; Water circulating pump 98,102 starts, and utilizes water receiver 3 and solar water heater 97 to produce hot water; When not having solar energy, such as night or cloudy day, start refrigeration system, air draft heat dump 1,105 work of outdoor evaporimeter, magnetic valve 111,112,113 is opened, other valve closing, water circulating pump 102 starts, and utilizes water receiver 3 to produce hot water.
Among Figure 21, solar heat absorber 88 has replaced solar water heater 97, starts refrigeration system, utilizes water condenser 101 to produce hot water.
Figure 22 is the heat-energy recovering apparatus that has solar energy and heat pump, and it can be for hot water user 103 provides hot water, also can be for air-conditioned room provide air conditioner cold and hot water, and water-refrigerant heat exchanger provides air conditioning hot is provided in air conditioner cold water, winter 115 summer.
Have the board-like fan heater of solar energy 122, solar vacuum tube type fan heater 123, solar heat tubular type fan heater 124 among Figure 23.In the board-like fan heater 122 of solar energy, have absorber plate, it heats up after absorbing solar energy, and heating gets into cold air wherein; Solar vacuum tube type fan heater 123 is made by glass-vacuum tube usually, is vacuum between interior pipe and the outer tube, and outer tube is transparent, and interior pipe racks has heat absorbing coating, absorbs solar energy, and cold air passes through the back by solar energy heating from interior pipe; Solar heat tubular type fan heater 124 has heat pipe, and its heat absorbing end is inserted in the glass-vacuum tube, absorbs solar energy, and release end of heat is inserted in the airduct, cold air through the time heated by release end of heat.Like this, cold air can directly be delivered to air-conditioned room after being heated by the solar energy hot blast device, after perhaps solar energy is absorbed by refrigeration system, through kind of refrigeration cycle, for the user hot blast or hot water is provided indirectly.Reliable for guaranteeing hot blast feeding, can before outdoor heat exchanger 37, room air conditioner 4, increase assisted heating devices such as electricity.
Solar vacuum tube type fan heater 123 is for the room provides hot blast among Figure 24, and air draft heat dump 1, draining heat dump 2 have two magnetic valves, can convert both to condenser from evaporimeter, utilizes useless cold wind and the unnecessary heat of useless cooled water discharge refrigeration system.
The above only is a preferable implementing method of the present invention, is not that the present invention is done any pro forma restriction.Any simple modification, equivalent variations and modification according to technical spirit of the present invention is done above implementing method all belong to protection scope of the present invention.
Claims (10)
1. heat-energy recovering apparatus, it is made up of air draft heat dump, draining heat dump, water receiver, room air conditioner, expander, water circulating pump, circulating line, circulatory mediator, power distribution control system, it is characterized in that; Air draft heat dump, draining heat dump, water receiver, room air conditioner, expander, water circulating pump are linked in sequence into the circulatory system, and circulatory mediator absorbs the used heat in the high-temp waste gas in the air draft heat dump, in the draining heat dump, absorb the used heat in the hot waste water; Under the effect of water circulating pump, heat energy is transported in the water receiver, add hot tap-water; Make it to become hot water, heat energy is transported in the room air conditioner, can send hot blast to the room; Air draft heat dump, draining heat dump have control valve, and both are connected in parallel in the system, can establish one or more air draft heat dump, draining heat dump; Both not only are contained in the kitchen, and also can be contained in other has the available place of waste heat discharge, and water circulating pump is a variable frequency pump; The circulatory system is closed circulation system or open-cycle system, in open-cycle system, does not have expander; When the circulatory system inserted outside air-conditioning system Cooling and Heat Source, room air conditioner can send hot blast, also can send cold wind.
2. heat-energy recovering apparatus, it is characterized in that by the refrigeration system that air draft heat dump, draining heat dump, water receiver, room air conditioner, compressor, servicing unit, circulating line, cold-producing medium, power distribution control system are formed; Air draft heat dump, draining heat dump directly or indirectly are connected in the refrigeration system, and when both directly were connected in the refrigeration system, they were as evaporimeter; Rely on the evaporation heat absorption of low temperature liquid cold-producing medium, absorb the used heat in high-temp waste gas, the waste water, both have the cold-producing medium adjusting device; Be connected in parallel in the system, when both were connected in the refrigeration system through Intermediate Heat Exchanger indirectly, they had control valve; Be connected in parallel in the system, be linked in sequence into the circulatory system with Intermediate Heat Exchanger, expander, water circulating pump, circulatory mediator absorbs the used heat in the high-temp waste gas in the air draft heat dump; In the draining heat dump, absorb the used heat in the hot waste water, under the effect of water circulating pump, heat energy is transported in the Intermediate Heat Exchanger; Intermediate Heat Exchanger relies on the evaporation heat absorption of low temperature liquid cold-producing medium as the evaporimeter in the refrigeration system, absorbs used heat; Through kind of refrigeration cycle, heat delivery in water receiver, room air conditioner, is added hot tap-water again; Send hot blast to the room, water circulating pump is a variable frequency pump, can establish one or more air draft heat dump, draining heat dump; Both not only are contained in the kitchen, and also can be contained in other has the available place of waste heat discharge, and water receiver is connected in the refrigeration system as condenser; Rely on the high-temperature gas cold-producing medium to add hot tap-water, water receiver adopts enclosed that pressure vessel or open type non-pressure vessel are arranged, and in refrigeration system, can have one or more water receiver; Room air conditioner is connected in the refrigeration system as evaporimeter, relies on the evaporation heat absorption of low temperature liquid cold-producing medium to send cold wind to the room, and room air conditioner also is convertible into condenser; Rely on the high-temperature gas cold-producing medium to send hot blast to the room, refrigeration system can have one or several room air conditioners.
3. heat-energy recovering apparatus according to claim 2 is characterized in that, refrigeration system can be single cooling system, or heat pump, or the multiple system, or multiple heat pump heat recovery system.
4. heat-energy recovering apparatus according to claim 2 is characterized in that refrigeration system can have outdoor heat exchanger, and it can be used as condenser, also is convertible into evaporimeter.
5. heat-energy recovering apparatus according to claim 2 is characterized in that, air draft heat dump, draining heat dump can directly or indirectly be connected on other air-conditioning refrigeration system with energy recovery function as the end of air-conditioning system.
6. heat-energy recovering apparatus according to claim 2 is characterized in that refrigeration system can have the cold-producing medium circulating pump, and when compressor quit work, cold-producing medium is transporting heat energy under the effect of cold-producing medium circulating pump.
7. heat-energy recovering apparatus according to claim 2 is characterized in that, it can have one-level, secondary two cover refrigeration systems, conducts heat through secondary, and the running water in the water receiver is heated into high-temperature-hot-water.
8. heat-energy recovering apparatus according to claim 2 is characterized in that refrigeration system can have the freezing and refrigeration device.
9. heat-energy recovering apparatus according to claim 2 is characterized in that, it can have wind-wind-heat interchanger, is used for absorbing the heat energy of high-temp waste gas.
10. heat-energy recovering apparatus according to claim 2 is characterized in that, it can have solar heat absorber, solar water heater or solar energy hot blast device; Solar heat absorber absorbs solar energy as the evaporimeter of refrigeration system, through kind of refrigeration cycle, for the user provides heat energy; Solar water heater and solar energy hot blast device produce solar water and hot blast respectively; Directly for the user provides heat energy, or, for the user heat energy is provided indirectly through after the refrigeration system circulation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2011103317518A CN102840636A (en) | 2011-06-25 | 2011-10-28 | Heat energy recovery device |
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|---|---|---|---|
| CN201110173327.5 | 2011-06-25 | ||
| CN201110173327.5 | 2011-06-25 | ||
| CN2011103317518A CN102840636A (en) | 2011-06-25 | 2011-10-28 | Heat energy recovery device |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012103074811A Division CN102840639A (en) | 2011-06-25 | 2011-10-28 | Air-conditioning system for canteen |
| CN201310056898XA Division CN103062858A (en) | 2011-06-25 | 2011-10-28 | Air-conditioning system for recovering kitchen heat energy |
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| CN102840636A true CN102840636A (en) | 2012-12-26 |
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| CN201310056898XA Pending CN103062858A (en) | 2011-06-25 | 2011-10-28 | Air-conditioning system for recovering kitchen heat energy |
| CN2011103317518A Pending CN102840636A (en) | 2011-06-25 | 2011-10-28 | Heat energy recovery device |
| CN2012103074811A Withdrawn CN102840639A (en) | 2011-06-25 | 2011-10-28 | Air-conditioning system for canteen |
| CN201310184005XA Pending CN103256771A (en) | 2011-06-25 | 2012-03-12 | Refrigerator with outdoor cold source |
| CN201310029112.5A Active CN103090485B (en) | 2011-06-25 | 2012-03-12 | Air conditioning system for restaurant |
| CN201210063400.8A Active CN102840717B (en) | 2011-06-25 | 2012-03-12 | Heat energy recovery device |
| CN201610048030.9A Pending CN105605709A (en) | 2011-06-25 | 2013-02-23 | Air conditioning system capable of recycling heat energy of kitchen |
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| CN2012103074811A Withdrawn CN102840639A (en) | 2011-06-25 | 2011-10-28 | Air-conditioning system for canteen |
| CN201310184005XA Pending CN103256771A (en) | 2011-06-25 | 2012-03-12 | Refrigerator with outdoor cold source |
| CN201310029112.5A Active CN103090485B (en) | 2011-06-25 | 2012-03-12 | Air conditioning system for restaurant |
| CN201210063400.8A Active CN102840717B (en) | 2011-06-25 | 2012-03-12 | Heat energy recovery device |
| CN201610048030.9A Pending CN105605709A (en) | 2011-06-25 | 2013-02-23 | Air conditioning system capable of recycling heat energy of kitchen |
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- 2012-03-12 CN CN201310029112.5A patent/CN103090485B/en active Active
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- 2012-05-01 WO PCT/CN2012/074961 patent/WO2013000335A1/en active Application Filing
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2013
- 2013-02-23 CN CN201610048030.9A patent/CN105605709A/en active Pending
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Also Published As
| Publication number | Publication date |
|---|---|
| WO2013000335A1 (en) | 2013-01-03 |
| CN102840717A (en) | 2012-12-26 |
| CN102840717B (en) | 2015-04-08 |
| CN103090485B (en) | 2015-07-22 |
| CN103062858A (en) | 2013-04-24 |
| CN103256771A (en) | 2013-08-21 |
| CN102840639A (en) | 2012-12-26 |
| CN103090485A (en) | 2013-05-08 |
| CN105605709A (en) | 2016-05-25 |
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