CN204987540U - Full heat recovery type gas - air cold and hot antithetical couplet of heat pump confession unit that can compound - Google Patents
Full heat recovery type gas - air cold and hot antithetical couplet of heat pump confession unit that can compound Download PDFInfo
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- CN204987540U CN204987540U CN201420764059.3U CN201420764059U CN204987540U CN 204987540 U CN204987540 U CN 204987540U CN 201420764059 U CN201420764059 U CN 201420764059U CN 204987540 U CN204987540 U CN 204987540U
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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
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/52—Heat recovery pumps, i.e. heat pump based systems or units able to transfer the thermal energy from one area of the premises or part of the facilities to a different one, improving the overall efficiency
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Abstract
The utility model relates to a full heat recovery type gas - air cold and hot antithetical couplet of heat pump confession unit that can compound, include gas admission line, comdenstion water discharge tube, comdenstion water water -collecting tray, smoke box, condenser, fin type heat exchanger, coil heat exchanger, full premix combustor, reach corresponding connecting tube, gas admission line lug connection has arranged coil heat exchanger to the full premix combustor around the combustion head of full premix combustor, fin type heat exchanger, comdenstion water water -collecting tray, condenser, four parts of smoke box have been arranged in proper order to coil heat exchanger's top, just all sets up and is mixing condensing heat supply built -in portion in advance, and the comdenstion water discharge tube is connected to the comdenstion water water -collecting tray the utility model discloses not only solve the problem of the high -efficient operation of air source heat pump in winter, retrieved a large amount of comdenstion waters and latent heat moreover, also reduced to the nitrogen oxide who discharges in the atmosphere simultaneously, be favorable to the environmental protection, realized energy saving and emission reduction.
Description
Technical field:
The utility model relates to a kind of total heat recovery type air-gas energy combined heat-pump cold and heat combined supply unit, belongs to HVAC heat supply process field.
Background technology
In recent years, for improving atmospheric environment, reduce coal-fired flue-gas to the pollution of urban atmosphere, it is the gas heating unit of fuel that China's coal heating equipment substantially all changes into natural gas.Plain edition gas heating equipment is by the restriction on heat exchanger technology, exhaust gas temperature higher (110 DEG C ~ 260 DEG C), far above the dew point of steam in flue gas, gasification latent heat cannot utilize, particularly the heating season in the north, there is a large amount of waste heats to enter in air ambient with flue gas and not only waste the energy but also pollute environment.
Full pre-mix condensing gas heating equipment makes air and combustion gas Thorough combustion under minimum excess air coefficient by adopting all-premixing burner, significantly reduces the discharge capacity of NOx and CO.Meanwhile, by increasing condensing heat exchanger, exhaust gas temperature being reduced, fully can not only absorb the sensible heat of flue gas, the gasification latent heat of steam in flue gas can also be utilized, improve about 10% than the thermal efficiency of plain edition gas heating equipment.Full pre-mix condensing heating equipment has energy saving standard two distinguishing features simultaneously, and its application is more and more subject to people's attention.But the exhaust gas temperature of full pre-mix condensing heating equipment is subject to the impact of condensing heat exchanger and heat supply return water temperature, its exhaust gas temperature is generally at about 70 DEG C.
The good behaviour that is energy-saving and cost-reducing with it and environmental protection aspect of air energy heat pump technology generally receives the concern of people, and its structure is simple, easy to install, and operating cost is 1/4 of electric heating, 1/3 of natural gas heating.But the use of air energy heat pump is subject to the restriction of environment temperature, its heat capacity and heating performance coefficient can reduce along with the reduction of outside air temperature, and refrigerating capacity and heating capacity are difficult to adapt with Building Cooling load.Winter also has outdoor frosting problem, and regular air energy heat pump is not also suitable for the cold districts such as China northeast, northwest, North China.
If using the fume afterheat of full pre-mix condensing heating equipment and free air can these two kinds of low-grade energies as thermal source, combination comprehensive utilization is carried out by heat pump, condenser and air energy heat pump not only can be utilized to receive portion's fume afterheat back and forth, make combustion gas exhaust gas temperature be down to room temperature (25 ~ 30 DEG C).And, waste heat thermal source can also be provided for air energy heat pump, solve the degradation problem of air energy heat pump in the winter time under low temperature, improve reliability and the applicability of air source heat pump.
Summary of the invention
For above-mentioned the deficiencies in the prior art also by analyzing, the utility model proposes and disclose a kind of total heat recovery type air-gas energy combined heat-pump cold and heat combined supply unit.
The technical solution of the utility model is as follows:
A kind of total heat recovery type air-gas energy combined heat-pump cold and heat combined supply unit comprises full pre-mix condensing heat supply machine, air energy heat pump cold and heat combined supply three-way set, cold and heat combined supply ducting module and corresponding connecting pipe.
Described full pre-mix condensing heat supply machine comprises gas inlet pipeline 17, condensed water elimination pipeline 18, condensed water water-collecting tray 19, smoke box 20, condenser 21, finned heat exchanger 22, coil heat exchanger 23, all-premixing burner 24 and corresponding connecting pipe.
Described all-premixing burner 24 comprises combustion gas blower fan, gas ratio valve group, combustion head, balancing boom device.Described combustion head is multi-hole medium combustion head, and described porous media structure is the one in particle packing type, straight hole grid type, fleece lattice, foam type.
Described gas inlet pipeline 17 is directly connected to all-premixing burner 24, coil heat exchanger 23 is furnished with around the combustion head of all-premixing burner 24, the top of coil heat exchanger 23 is furnished with finned heat exchanger 22, condensed water water-collecting tray 19, condenser 21, smoke box 20 4 parts successively, and it is inner to be all arranged on pre-mix condensing heat supply machine, condensed water elimination pipeline 18 is connected to condensed water water-collecting tray 19.
Described smoke box 20 is connected with air blast 16 import by flue, and air blast 16 exports the flue gas flow channel being connected to flue gas air dual-heat-source evaporimeter 13 by flue.The flue gas that described smoke box 20 discharges arrives the flue gas flow channel of flue gas air dual-heat-source evaporimeter 13 by pipeline, air blast 16, after cold-producing medium heat absorption, be discharged into outdoor after reducing flue-gas temperature further.
Described flue gas air dual-heat-source evaporimeter 13 is two-tube finned heat exchanger, described two-tube finned heat exchanger is made up of two groups of combs of different-diameter, large diameter pipe inside is flue gas flow channel, and narrow tube inside is refrigerant flow path, and two groups of comb outer walls are connected with and organize air cooling fin more.
Described air energy heat pump cold and heat combined supply three-way set comprises the second magnetic valve 4, compressor 5, low tension switch 6, needle-valve 7, high-voltage switch gear 8, four-way change-over valve 9, 3rd magnetic valve 10, 4th magnetic valve 11, 5th magnetic valve 12, flue gas air dual-heat-source evaporimeter 13, axial flow blower 14, expansion valve 15, air blast 16, domestic hot-water's side board type heat exchanger 25, check valve 26, filter 27, refrigerating capillary 28, gas-liquid separator 29, heat capillary 30, hot and cold water side board type heat exchanger 31, and corresponding connecting pipe, and it is inner to be all arranged on air energy heat pump cold and heat combined supply three-way set.
Two-port in described four-way change-over valve 9 four ports connects compressor 5 porting, compressor 5 air inlet is connected to gas-liquid separator 29 by low tension switch 6, needle-valve 7, gas-liquid separator 29 is connected to four-way change-over valve 9 by pipeline, and compressor 5 exhaust outlet is connected to four-way change-over valve 9 by needle-valve 7, high-voltage switch gear 8.Described two other port of four-way change-over valve 9 by the second magnetic valve 4, the 3rd magnetic valve 10, the 4th magnetic valve 11, the 5th magnetic valve 12, flue gas air dual-heat-source evaporimeter 13, axial flow blower 14, filter 27, refrigerating capillary 28, gas-liquid separator 29, heat capillary 30, hot and cold water side board type heat exchanger 31, domestic hot-water's side board type heat exchanger 25, check valve 26 and connecting refrigerant lines road thereof and connect successively, jointly form air energy heat pump cold and heat combined supply three-way set with compressor 5, low tension switch 6, needle-valve 7, high-voltage switch gear 8, four-way change-over valve 9.
Described second magnetic valve 4, compressor 5, low tension switch 6, needle-valve 7, high-voltage switch gear 8, four-way change-over valve 9, the 3rd magnetic valve 10, the 4th magnetic valve 11, the 5th magnetic valve 12, flue gas air dual-heat-source evaporimeter 13, axial flow blower 14, air blast 16, filter 27, refrigerating capillary 28, gas-liquid separator 29, heat capillary 30, hot and cold water side board type heat exchanger 31 is connected by refrigerant tubing, composition vapour compression refrigeration and heat circulation.Described compressor 5, low tension switch 6, needle-valve 7, high-voltage switch gear 8, four-way change-over valve 9, the 3rd magnetic valve 10, the 4th magnetic valve 11, flue gas air dual-heat-source evaporimeter 13, axial flow blower 14, air blast 16, domestic hot-water's side board type heat exchanger 25, check valve 26 are connected by refrigerant tubing, composition both vapor compression domestic hot-water circulation.
Described cold and heat combined supply ducting module comprises the first temperature sensor 1, first circulating pump 2, first magnetic valve 3, motor-driven valve 32, second temperature sensor 33, shell and tube exchanger 34, three-temperature sensor 35, second circulating pump 36 and corresponding connecting pipe.
Described shell and tube exchanger (34) gas heating side, three-temperature sensor (35), the second circulating pump (36) supply water with full pre-mix condensing heat supply machine and water return outlet forms gas heating closed circulation jointly by pipeline; Described first temperature sensor (1), the first circulating pump (2), the first magnetic valve (3), motor-driven valve (32), the second temperature sensor (33), shell and tube exchanger (34), indoor end side connect to form heat pump hot water or cold water cooling, thermal cycle by pipeline.
The utility model realizes the partially recycled utilization of fume afterheat of gas heating equipment by condenser, evaporimeter again through air energy heat pump absorbs remaining low-grade (temperature is lower than 70 DEG C) fume afterheat, make the exhaust gas temperature of gas heating equipment be reduced to room temperature, the flue gas realizing gas heating equipment is all recycled.Simultaneously, air energy heat pump cold and heat combined supply three-way set is by increasing heat recovery heat exchanger, and adopt Condensation Heat Recovery Technology, domestic hot-water can be provided free while cooling in summer, realize combining with full pre-mix condensing gas heating equipment in cooling in summer, winter heat, the whole year provides domestic hot-water.
The utility model can realize following five kinds of mode of operations:
1, summer separate refrigeration: directly adopt wind-cooled cold-water mechanism cold.
2, cooling in summer+domestic hot-water: wind-cooled cold-water machine provides refrigeration, and condensing units freely supplies domestic hot-water.
3, heat separately winter: full pre-mix condensing heat supply machine is combined with air energy heat pump and heated and provide associating thermal source.
4, winter heating+domestic hot-water: full pre-mix condensing heat supply machine heats, and air energy heat pump provides domestic hot-water.
5, spring and autumn domestic hot-water: air energy heat pump provides domestic hot-water.
The beneficial effect that the utility model obtains is: this total heat recovery type air-gas energy combined heat-pump cold and heat combined supply unit energy meets the refrigeration of user under Various Seasonal, different operating mode, heat supply, domestic hot-water's demand.The evaporimeter of the low-temperature flue gas heat extraction of full pre-mix condensing gas heating machine and air source heat pump needs heat to be combined by technological means by the utility model; the thermal energy that gas heating machine is discharged fume is the thermal source of air source heat pump; with the whole waste heats in lower cost recovery flue gas; not only solve the problem of winter air source heat pump Effec-tive Function; and reclaim a large amount of condensed waters and latent heat; also reduce the nitrogen oxide discharged in air simultaneously, be conducive to environmental protection, realize energy-saving and emission-reduction.
Accompanying drawing explanation
Fig. 1 total heat recovery type air-gas energy combined heat-pump cold and heat combined supply machine set system structure chart
In figure: the first temperature sensor 1, first circulating pump 2, first magnetic valve 3, second magnetic valve 4, compressor 5, low tension switch 6, needle-valve 7, high-voltage switch gear 8, four-way change-over valve 9, 3rd magnetic valve 10, 4th magnetic valve 11, 5th magnetic valve 12, flue gas air dual-heat-source evaporimeter 13, axial flow blower 14, expansion valve 15, air blast 16, gas inlet pipeline 17, condensed water elimination pipeline 18, condensed water water-collecting tray 19, smoke box 20, condenser 21, finned heat exchanger 22, coil heat exchanger 23, all-premixing burner 24, domestic hot-water's side board type heat exchanger 25, check valve 26, filter 27, refrigerating capillary 28, gas-liquid separator 29, heat capillary 30, hot and cold water side board type heat exchanger 31, motor-driven valve 32, second temperature sensor 33, shell and tube exchanger 34, three-temperature sensor 35, second circulating pump 36.
Detailed description of the invention
Specific implementation method is elaborated below in conjunction with Fig. 1:
Full pre-mix condensing heat supply machine comprises gas inlet pipeline 17, condensed water elimination pipeline 18, condensed water water-collecting tray 19, smoke box 20, condenser 21, finned heat exchanger 22, coil heat exchanger 23, all-premixing burner 24 and corresponding connecting pipe.Gas inlet pipeline 17 is directly connected to all-premixing burner 24, coil heat exchanger 23 is furnished with around the combustion head of all-premixing burner 24, the top of coil heat exchanger 23 is furnished with finned heat exchanger 22, condensed water water-collecting tray 19, condenser 21, smoke box 20 4 parts successively, and it is inner to be all arranged on pre-mix condensing heat supply machine.Condensed water elimination pipeline 18 is connected to condensed water water-collecting tray 19.
Second magnetic valve 4, compressor 5, low tension switch 6, needle-valve 7, high-voltage switch gear 8, four-way change-over valve 9, the 3rd magnetic valve 10, the 4th magnetic valve 11, the 5th magnetic valve 12, flue gas air dual-heat-source evaporimeter 13, axial flow blower 14, air blast 16, filter 27, refrigerating capillary 28, gas-liquid separator 29, heat capillary 30, hot and cold water side board type heat exchanger 31 is connected by refrigerant tubing, composition vapour compression refrigeration and heat circulation.Compressor 5, low tension switch 6, needle-valve 7, high-voltage switch gear 8, four-way change-over valve 9, the 3rd magnetic valve 10, the 4th magnetic valve 11, flue gas air dual-heat-source evaporimeter 13, axial flow blower 14, air blast 16, domestic hot-water's side board type heat exchanger 25, check valve 26 are connected by refrigerant tubing, composition both vapor compression domestic hot-water circulation.
Two-port in four-way change-over valve 9 four ports connects compressor 5 porting, compressor 5 air inlet is connected to gas-liquid separator 29 by low tension switch 6, needle-valve 7, gas-liquid separator 29 is connected to four-way change-over valve 9 by pipeline, and compressor 5 exhaust outlet is connected to four-way change-over valve 9 by needle-valve 7, high-voltage switch gear 8.Two other port of four-way change-over valve 9 by the second magnetic valve 4, the 3rd magnetic valve 10, the 4th magnetic valve 11, the 5th magnetic valve 12, flue gas air dual-heat-source evaporimeter 13, axial flow blower 14, filter 27, refrigerating capillary 28, gas-liquid separator 29, heat capillary 30, hot and cold water side board type heat exchanger 31, domestic hot-water's side board type heat exchanger 25, check valve 26 and connecting refrigerant lines road thereof and connect successively, jointly form air energy heat pump cold and heat combined supply three-way set with compressor 5, low tension switch 6, needle-valve 7, high-voltage switch gear 8, four-way change-over valve 9.
Described shell and tube exchanger (34) gas heating side, three-temperature sensor (35), the second circulating pump (36) supply water with full pre-mix condensing heat supply machine and water return outlet forms gas heating closed circulation jointly by pipeline; Described first temperature sensor (1), the first circulating pump (2), the first magnetic valve (3), motor-driven valve (32), the second temperature sensor (33), shell and tube exchanger (34), indoor end side connect to form heat pump hot water or cold water cooling, thermal cycle by pipeline.
Smoke box 20 is connected with air blast 16 import by flue, and air blast 16 exports the flue gas flow channel being connected to flue gas air dual-heat-source evaporimeter 13 by flue.The flue gas that smoke box 20 discharges arrives the flue gas flow channel of flue gas air dual-heat-source evaporimeter 13 by pipeline, air blast 16, after cold-producing medium heat absorption, be discharged into outdoor after reducing flue-gas temperature further.
Claims (2)
1. a total heat recovery type air-gas energy combined heat-pump cold and heat combined supply unit comprises full pre-mix condensing heat supply machine, air energy heat pump cold and heat combined supply three-way set, cold and heat combined supply ducting module and corresponding connecting pipe;
Described full pre-mix condensing heat supply machine comprises gas inlet pipeline (17), condensed water elimination pipeline (18), condensed water water-collecting tray (19), smoke box (20), condenser (21), finned heat exchanger (22), coil heat exchanger (23), all-premixing burner (24) and corresponding connecting pipe; Described all-premixing burner (24) comprises combustion gas blower fan, gas ratio valve group, combustion head, balancing boom device; Described combustion head is multi-hole medium combustion head, and described porous media structure is the one in particle packing type, straight hole grid type, fleece lattice, foam type;
Described gas inlet pipeline (17) is directly connected to all-premixing burner (24), coil heat exchanger (23) is furnished with around the combustion head of all-premixing burner (24), the top of coil heat exchanger (23) is furnished with finned heat exchanger (22), condensed water water-collecting tray (19), condenser (21), smoke box (20) four parts successively, and it is inner to be all arranged on pre-mix condensing heat supply machine, condensed water elimination pipeline (18) is connected to condensed water water-collecting tray (19);
Described smoke box (20) is connected with air blast (16) import by flue, and air blast (16) outlet is connected to the flue gas flow channel of flue gas air dual-heat-source evaporimeter (13) by flue; The flue gas that described smoke box (20) discharges arrives the flue gas flow channel of flue gas air dual-heat-source evaporimeter (13) by pipeline, air blast (16), after cold-producing medium heat absorption, is discharged into outdoor after reducing flue-gas temperature further;
Described air energy heat pump cold and heat combined supply three-way set comprises the second magnetic valve (4), compressor (5), low tension switch (6), needle-valve (7), high-voltage switch gear (8), four-way change-over valve (9), 3rd magnetic valve (10), 4th magnetic valve (11), 5th magnetic valve (12), flue gas air dual-heat-source evaporimeter (13), axial flow blower (14), expansion valve (15), air blast (16), domestic hot-water's side board type heat exchanger (25), check valve (26), filter (27), refrigerating capillary (28), gas-liquid separator (29), heat capillary (30), hot and cold water side board type heat exchanger (31), and corresponding connecting pipe, and it is inner to be all arranged on air energy heat pump cold and heat combined supply three-way set,
Two-port in described four-way change-over valve (9) four ports connects compressor (5) porting, compressor (5) air inlet is connected to gas-liquid separator (29) by low tension switch (6), needle-valve (7), gas-liquid separator (29) is connected to four-way change-over valve (9) by pipeline, and compressor (5) exhaust outlet is connected to four-way change-over valve (9) by needle-valve (7), high-voltage switch gear (8);
Described four-way change-over valve (9) two other port is by the second magnetic valve (4), 3rd magnetic valve (10), 4th magnetic valve (11), 5th magnetic valve (12), flue gas air dual-heat-source evaporimeter (13), axial flow blower (14), filter (27), refrigerating capillary (28), gas-liquid separator (29), heat capillary (30), hot and cold water side board type heat exchanger (31), domestic hot-water's side board type heat exchanger (25), check valve (26) and connecting refrigerant lines road thereof connect successively, with compressor (5), low tension switch (6), needle-valve (7), high-voltage switch gear (8), four-way change-over valve (9) is composition air energy heat pump cold and heat combined supply three-way set jointly,
Described cold and heat combined supply ducting module comprises the first temperature sensor (1), the first circulating pump (2), the first magnetic valve (3), motor-driven valve (32), the second temperature sensor (33), shell and tube exchanger (34), three-temperature sensor (35), the second circulating pump (36) and corresponding connecting pipe.
2. total heat recovery type air-gas energy combined heat-pump cold and heat combined supply unit according to claim 1, it is characterized in that, described shell and tube exchanger (34) gas heating side, three-temperature sensor (35), the second circulating pump (36) supply water with full pre-mix condensing heat supply machine and water return outlet forms gas heating closed circulation jointly by pipeline; Described first temperature sensor (1), the first circulating pump (2), the first magnetic valve (3), motor-driven valve (32), the second temperature sensor (33), shell and tube exchanger (34), indoor end side connect to form heat pump hot water or cold water cooling, thermal cycle by pipeline.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420764059.3U CN204987540U (en) | 2014-12-08 | 2014-12-08 | Full heat recovery type gas - air cold and hot antithetical couplet of heat pump confession unit that can compound |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420764059.3U CN204987540U (en) | 2014-12-08 | 2014-12-08 | Full heat recovery type gas - air cold and hot antithetical couplet of heat pump confession unit that can compound |
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| CN204987540U true CN204987540U (en) | 2016-01-20 |
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| CN201420764059.3U Active CN204987540U (en) | 2014-12-08 | 2014-12-08 | Full heat recovery type gas - air cold and hot antithetical couplet of heat pump confession unit that can compound |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105737440A (en) * | 2014-12-08 | 2016-07-06 | 上海华恩利热能机器股份有限公司 | Total heat recovery combustion gas-air energy composite heat pump hot-cold combined supply unit |
| CN108800647A (en) * | 2018-06-21 | 2018-11-13 | 安徽环球星新能源科技有限公司 | Green energy conservation heat pump thermal-arrest refrigeration steam co-feeding system |
-
2014
- 2014-12-08 CN CN201420764059.3U patent/CN204987540U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105737440A (en) * | 2014-12-08 | 2016-07-06 | 上海华恩利热能机器股份有限公司 | Total heat recovery combustion gas-air energy composite heat pump hot-cold combined supply unit |
| CN108800647A (en) * | 2018-06-21 | 2018-11-13 | 安徽环球星新能源科技有限公司 | Green energy conservation heat pump thermal-arrest refrigeration steam co-feeding system |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: No. 20, Lane 3581, Shanghai Qingpu District, 201700 Patentee after: Shanghai Hua-enly Heat Energy Machine Co., Ltd. Address before: Room 813, Greenbelt Huichuang International Building, 275-8 Guoding East Road, Yangpu District, Shanghai, 2003 Patentee before: Shanghai Hua-enly Heat Energy Machine Co., Ltd. |