CN102252425B - Condensation-type gas water heating device with air humidifier - Google Patents
Condensation-type gas water heating device with air humidifier Download PDFInfo
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- CN102252425B CN102252425B CN2010101877120A CN201010187712A CN102252425B CN 102252425 B CN102252425 B CN 102252425B CN 2010101877120 A CN2010101877120 A CN 2010101877120A CN 201010187712 A CN201010187712 A CN 201010187712A CN 102252425 B CN102252425 B CN 102252425B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 77
- 238000010438 heat treatment Methods 0.000 title claims abstract description 24
- 238000002485 combustion reaction Methods 0.000 claims abstract description 22
- 239000000919 ceramic Substances 0.000 claims abstract description 14
- 239000007789 gas Substances 0.000 abstract description 22
- 238000009833 condensation Methods 0.000 abstract description 4
- 230000005494 condensation Effects 0.000 abstract description 4
- 238000005728 strengthening Methods 0.000 abstract 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 24
- 239000003546 flue gas Substances 0.000 description 24
- 238000007599 discharging Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 239000000779 smoke Substances 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 239000000567 combustion gas Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000002528 anti-freeze Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000008236 heating water Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
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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]
-
- 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
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
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- Air Humidification (AREA)
Abstract
The invention provides a condensation-type gas water heating device with an air humidifier, which comprises a combustion chamber, a combustor, a main heat exchanger, a condenser, a water inlet pipe, a water outlet pipe, an air inlet pipe, a fan and an electric control gear. The electric control gear comprises a central processing circuit, a fan control execution circuit, a proportional valve control circuit, a temperature detecting circuit and a power circuit; the condensation-type gas water heating device with the air humidifier is mainly characterized by further comprising a humidifier, a blast pipe and an air conduit; the humidifier is provided with a porous ceramic body and a cavity; the porous ceramic body is arranged in the cavity; one end of the blast pipe is communicated with the air outlet of the fan, while the other end of the blast pipe is communicated with the cavity; and the air conduit is communicated with air interfaces of the cavity and the combustor. The condensation-type gas water heating device with the air humidifier has the characteristics of effectively increasing the water vapor content of smokes in the condensation-type gas water heating device, strengthening condensation and heat transfer, increasing the thermal efficiency of the gas water heating device, reducing the discharge of contaminated gases and the like.
Description
Technical field: the present invention relates to a kind of hot water apparatus, a kind of gas-fired water heater by the heat exchange of humidifying air technique condenser particularly, it is applicable to gas heater, gas fired-boiler etc.
Background technology: along with the aggravation of environmental pollution, the mankind pay attention to researching and developing efficient, oligosaprobic condensation-type gas water heating device more.Condensation-type gas water heating device generally comprises twice heat exchange, and after heat exchange, high-temperature flue-gas reduces for the first time, then flue-gas temperature is down to below dew point after heat exchange for the second time, and steam contained in flue gas can become aqueous water by condensation, discharges simultaneously latent heat.Existing product mainly adopts the mode that increases the condenser heat exchange area to improve heat exchange efficiency, but has also consumed more metal material simultaneously, causes the increase of product weight and size.If increase the humidity that enters burner air, improve the dew point of flue gas,, in the situation that do not change heat exchanger, strengthen the two-phase condensing heat-exchange of hot water apparatus afterbody heat-transfer surface, also can improve the heat exchange efficiency of hot water apparatus.The mode of conventional humidifier employing water pump circulation sprinkling humidification, but additionally increase power-equipment, consumption of power, institute take up space greatly, control and keep in repair also more complicated, and still difficulty is applied to less gas-fired water heater.For overcoming above defect, condensation-type gas water heating device is developed.
Summary of the invention: technical problem to be solved by this invention is that a kind of condensation-type gas water heating device with air humidifier will be provided, it can increase the water vapour content of flue gas in condensation-type gas water heating device effectively, strengthen condensing heat-exchange, improve the thermal efficiency of condensation-type gas water heating device, reduce the discharging that dusty gas is arranged in flue gas.
the technical scheme that the present invention solves its technical problem employing is: it comprises combustion chamber, burner, main heat exchanger, condenser, water inlet pipe, outlet pipe, air inlet pipe, blower fan, electric control gear, described electric control gear contains central processing circuit, the air-blower control executive circuit, Proportion valve controlling circuit, temperature sensing circuit, power circuit, also comprise humidifier, blast pipe, air duct, described humidifier is provided with porous ceramic bodies, cavity, porous ceramic bodies is located in cavity, described blast pipe one end is communicated with fan outlet, the other end is communicated with cavity, described air duct is communicated with the air interface of cavity and burner, the hypomere of described cavity is provided with tank, the porous ceramic bodies lower end is placed in tank, tank and outlet pipe pass through pipeline connection.
Described burner is located at the upper end of combustion chamber, and the gas nozzle in burner is downward, and main heat exchanger is located at the stage casing of combustion chamber, and condenser is located at the hypomere of combustion chamber.
It also comprises condensed water collecting device, and condensed water collecting device connects the bottom of combustion chamber, and described tank and condensed water collecting device pass through pipeline connection.
It also comprises the air preheat interchanger that is provided with fin and economizer bank, the air preheat interchanger is located in the middle of main heat exchanger and condenser, economizer bank is located in the chamber of combustion chamber and is run through combustion chamber, and fan outlet is connected by economizer bank with blast pipe.
Described electric control gear also contains the first temperature sensor control circuit, the first electric heater control circuit, also be provided with the first electric heater, the first temperature sensor in tank, central processing circuit is electrically connected to the first temperature sensor, by the first electric heater control circuit and power circuit, with the first electric heater, is electrically connected to by the first temperature sensor control circuit respectively.
Described electric control gear also contains the second temperature sensor control circuit, the second electric heater control circuit, be provided with the second electric heater, the second temperature sensor in cavity, central processing circuit is electrically connected to the second temperature sensor, by the second electric heater control circuit and power circuit, with the second electric heater, is electrically connected to by the second temperature sensor control circuit respectively.
Described electric control gear also contains the second temperature sensor control circuit, the second electric heater control circuit, be provided with the second electric heater, the second temperature sensor in cavity, central processing circuit is electrically connected to the second temperature sensor, by the second electric heater control circuit and power circuit, with the second electric heater, is electrically connected to by the second temperature sensor control circuit respectively.
Described electric control gear also contains the humidity sensor control circuit, is provided with humidity sensor in air duct, and central processing circuit is electrically connected to humidity sensor by the humidity sensor control circuit.
Described electric control gear also contains the humidity sensor control circuit, is provided with humidity sensor in air duct, and central processing circuit is electrically connected to humidity sensor by the humidity sensor control circuit.
Described electric control gear also contains the humidity sensor control circuit, is provided with humidity sensor in air duct, and central processing circuit is electrically connected to humidity sensor by the humidity sensor control circuit.
The present invention compares the beneficial effect that produces with background technology:
1, because the present invention adopts the heat exchange of humidifying air technique heat exchanger, porous ceramic film material moisture absorption and blower fan are advertised the air-humidification method of porous ceramics, increase the air humidity that enters burner, improve the dew point of flue gas,, in the situation that do not increase the metal heat-exchange area, strengthen the two-phase condensing heat-exchange of hot water apparatus condenser heat-transfer surface; The increase of air humidity, be conducive to the dissolving of acid gas in flue gas, reduces the discharging of dusty gas, therefore it increases the water vapour content of flue gas in condensation-type gas water heating device effectively, strengthen condensing heat-exchange, improve the thermal efficiency of gas-fired water heater, reduce the discharging of dusty gas.
Description of drawings: Fig. 1 is structural representation of the present invention.
Fig. 2 is another structural representation of the present invention.
Fig. 3 is the blast profile of humidifier 9 in Fig. 1 or 2.
Fig. 4 is the circuit side connector block diagram of humidification part in electric control gear of the present invention.
The specific embodiment:
embodiment one, referring to accompanying drawing 1, accompanying drawing 3, accompanying drawing 4, it comprises combustion chamber 1 the present embodiment, burner 2, main heat exchanger 3, condenser 4, condensed water collecting device 5, water inlet pipe 6, outlet pipe 7, air inlet pipe 8, blower fan 12, electric control gear 16, electric control gear 16 contains central processing circuit, the air-blower control executive circuit, Proportion valve controlling circuit, temperature sensing circuit, power circuit, the first temperature sensor control circuit 24, the first electric heater control circuit 25, the second temperature sensor control circuit 26, the second electric heater control circuit 27, humidity sensor control circuit 28, it also comprises humidifier 9, blast pipe 15, air duct 17, humidifier 9 is provided with porous ceramic bodies 21, lower end is with the cavity 22 of tank 23, and porous ceramic bodies 21 bottoms are placed in tank 23, also is provided with the first electric heater 10 in tank 23, the first temperature sensor 11, central processing circuit are electrically connected to the first temperature sensor 11 by the first temperature sensor control circuit 24 respectively, be electrically connected to the first electric heater 10 by the first electric heater control circuit 25 and power circuit, blast pipe 15 1 ends are communicated with the air outlet of blower fan 12, the other end is communicated with cavity 22, be provided with the second electric heater 14, the second temperature sensor 13 in cavity 22, central processing circuit is electrically connected to the second temperature sensor 13, by the second electric heater control circuit 27 and power circuit, with the second electric heater 14, is electrically connected to by the second temperature sensor control circuit 26 respectively, air duct 17 is communicated with the air interface of cavity 22 and burner 2, be provided with humidity sensor 18 in air duct 17, central processing circuit is electrically connected to humidity sensor 18 by humidity sensor control circuit 28, air inlet pipe 8 connects the air interface of burner 2, burner 2 is located at the upper end of combustion chamber 1, and burner 2 is for adopting the mode of the burning of standing upside down, main heat exchanger 3 is located at the stage casing of combustion chamber 1, and condenser 4 is located at the hypomere of combustion chamber 1, and condensed water collecting device 5 connects the bottom of combustion chamber 1, and smoke exhaust pipe is connected with condensed water collecting device 5.
The glide path of flue gas:
Generate high-temperature flue gas after mist in burner 2 (air mixes mutually with combustion gas) burning, high-temperature flue gas is through main heat exchanger 3, after carrying out heat exchange for the first time, temperature reduces, again through condenser 4 heat exchange for the second time, temperature is down to below dew point, condensed water is separated out from flue gas, the flue gas of relative low temperature enters smoke exhaust pipe through condensed water collecting device 5, is discharged by smoke exhaust pipe finally.
Adopt the mode of the burning of standing upside down due to burner, flue gas is top-down to flow, so condensed water flows under the influence of gravity into condensed water collecting device, can't be stuck in the surface of main heat exchanger and condenser, can reduce the corrosion of acid condensate water to main heat exchanger and condenser, improve the service life of water heater.
The glide path of humidification water:
Porous ceramics has the pore structure of certain size and quantity, and the current in tank 23 are when hole, and porous ceramic bodies produces the capillary siphonic effect water absorption is risen.blower fan 12 blasts air in humidifier 9, water in hole is evaporated into steam under the high temperature air effect, the air that water vapour content increases enters air duct 17, mix after-combustion with the combustion gas of air inlet pipe 8 in burner 2, the high-temperature flue gas that produces is through the heat exchange effect releases heat of main heat exchanger 3, the condensed water of the condensation liquefy in condenser 4 of the steam in flue gas, condensation water collection is at condensed water collecting device 5, and the condensed water in condensed water collecting device 5 can enter tank 23 by the road, form circulation waterway, also unnecessary condensed water can be discharged through pipeline.
Increase the humidity of flue gas, the contamination gas physical efficiencys such as the COx in flue gas, SOx, NOx are dissolved in steam more, make the gas-fired water heater clean environment firendly more of discharging fume.
The recycle circuit of bathroom water:
Cold water is flowed into by water inlet pipe 6, carries out heat exchange with flue gas in the pipeline of condenser 4, and the stream of warm water after preheating, to main heat exchanger 3, obtains hot water with the high-temperature flue gas heat exchange, finally by outlet pipe 7 outputs., if the water yield in tank 23 is less, can, to the interior supplementary hot water of tank 23, also help antifreeze effect by the pipeline by connection water channel 23 according to environment temperature.
The circuit control principle:
The air themperature that the second temperature sensor 13 monitoring are blasted by blower fan 12, if temperature is low, electric control gear 16 heats the second electric heater 14 according to the second temperature sensor 13 feedacks; The water temperature of the first temperature sensor 11 monitoring tanks, if temperature is low, electric control gear 16 heats up to the first electric heater 10 according to the first temperature sensor 11 feedacks; The air humidity of humidity sensor 18 monitoring air ducts 17, if humidity is lower, electric control gear 16 is controlled the water in the first electric heater 10 heating water tanks or is controlled the second electric heater 14 according to humidity sensor 18 feedacks and adds hot-air, improve the water temperature of air themperature or tank, the air that is conducive to enter in burner 2 carries out humidification.
Embodiment two, and referring to accompanying drawing 2, accompanying drawing 3, accompanying drawing 4, and the difference of embodiment one is to be provided with air preheat interchanger 19 on the flue gas flow channel between main heat exchanger 3 and condenser 4, and economizer bank 20 runs through combustion chamber 1.Flow downward after high-temperature flue gas and main heat exchanger 3 heat exchange action, with air preheat interchanger 19, carry out again heat exchange action one time, the waste heat that takes full advantage of flue gas carries out preheating to the air that is blasted by blower fan 12, is conducive to the humidification of humidifier.All the other operation principles are identical with embodiment one, do not repeat them here.
Claims (10)
1. condensation-type gas water heating device with air humidifier, it comprises combustion chamber (1), burner (2), main heat exchanger (3), condenser (4), water inlet pipe (6), outlet pipe (7), air inlet pipe (8), blower fan (12), electric control gear (16), described electric control gear (16) contains central processing circuit, the air-blower control executive circuit, Proportion valve controlling circuit, temperature sensing circuit, power circuit, characterized by further comprising humidifier (9), blast pipe (15), air duct (17), described humidifier (9) is provided with porous ceramic bodies (21), cavity (22), porous ceramic bodies (21) is located in cavity (22), described blast pipe (15) one ends are communicated with blower fan (12) air outlet, the other end is communicated with cavity (22), described air duct (1 7) is communicated with the air interface of cavity (22) and burner (2), the hypomere of described cavity (22) is provided with tank (23), porous ceramic bodies (21) lower end is placed in tank (23), tank (23) passes through pipeline connection with outlet pipe (7).
2. the condensation-type gas water heating device with air humidifier according to claim 1, it is characterized in that described burner (2) is located at the upper end of combustion chamber (1), gas nozzle in burner (2) is downward, main heat exchanger (3) is located at the stage casing of combustion chamber (1), and condenser (4) is located at the hypomere of combustion chamber (1).
3. the condensation-type gas water heating device with air humidifier according to claim 2, it is characterized in that it also comprises condensed water collecting device (5), condensed water collecting device (5) connects the bottom of combustion chamber (1), and described tank (23) passes through pipeline connection with condensed water collecting device (5).
4. the condensation-type gas water heating device with air humidifier according to claim 3, it is characterized in that it also comprises the air preheat interchanger (19) that is provided with fin and economizer bank (20), it is middle with condenser (4) that air preheat interchanger (19) is located at main heat exchanger (3), economizer bank (20) is located in the chamber of combustion chamber (1) and is run through combustion chamber (1), and blower fan (12) air outlet is connected by economizer bank (20) with blast pipe (15).
5. according to claim 3 or 4 described condensation-type gas water heating devices with air humidifier, it is characterized in that described electric control gear (16) also contains the first temperature sensor control circuit (24), the first electric heater control circuit (25), also be provided with the first electric heater (10), the first temperature sensor (11) in tank (23), central processing circuit is electrically connected to the first temperature sensor (11), by the first electric heater control circuit (25) and power circuit, with the first electric heater (10), is electrically connected to by the first temperature sensor control circuit (24) respectively.
According to claim 1 to 4 arbitrary described air humidifier condensation-type gas water heating device, it is characterized in that described electric control gear (16) also contains the second temperature sensor control circuit (26), the second electric heater control circuit (27), be provided with the second electric heater (14), the second temperature sensor (13) in cavity (22), central processing circuit is electrically connected to the second temperature sensor (13), by the second electric heater control circuit (27) and power circuit, with the second electric heater (14), is electrically connected to by the second temperature sensor control circuit (26) respectively.
7. the condensation-type gas water heating device with air humidifier of stating according to claim 5, it is characterized in that described electric control gear (16) also contains the second temperature sensor control circuit (26), the second electric heater control circuit (27), be provided with the second electric heater (14), the second temperature sensor (13) in cavity (22), central processing circuit is electrically connected to the second temperature sensor (13), by the second electric heater control circuit (27) and power circuit, with the second electric heater (14), is electrically connected to by the second temperature sensor control circuit (26) respectively.
According to claim 1 to 4 arbitrary described condensation-type gas water heating device with air humidifier, it is characterized in that described electric control gear (16) also contains humidity sensor control circuit (28), be provided with humidity sensor (18) in air duct (17), central processing circuit is electrically connected to humidity sensor (18) by humidity sensor control circuit (28).
9. the condensation-type gas water heating device with air humidifier according to claim 5, it is characterized in that described electric control gear (16) also contains humidity sensor control circuit (28), be provided with humidity sensor (18) in air duct (17), central processing circuit is electrically connected to humidity sensor (18) by humidity sensor control circuit (28).
10. the condensation-type gas water heating device with air humidifier according to claim 7, it is characterized in that described electric control gear (16) also contains humidity sensor control circuit (28), be provided with humidity sensor (18) in air duct (17), central processing circuit is electrically connected to humidity sensor (18) by humidity sensor control circuit (28).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101877120A CN102252425B (en) | 2010-05-20 | 2010-05-20 | Condensation-type gas water heating device with air humidifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101877120A CN102252425B (en) | 2010-05-20 | 2010-05-20 | Condensation-type gas water heating device with air humidifier |
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| Publication Number | Publication Date |
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| CN102252425A CN102252425A (en) | 2011-11-23 |
| CN102252425B true CN102252425B (en) | 2013-11-20 |
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| CN2010101877120A Expired - Fee Related CN102252425B (en) | 2010-05-20 | 2010-05-20 | Condensation-type gas water heating device with air humidifier |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104456949A (en) * | 2014-12-08 | 2015-03-25 | 芜湖美的厨卫电器制造有限公司 | Condensing gas water heater |
| CN104913503B (en) * | 2015-06-23 | 2018-03-06 | 丹东蓝天环保锅炉制造有限公司 | Boiler afterheat depth retracting device |
| CN105402941B (en) * | 2015-12-28 | 2018-04-17 | 西安交通大学 | A kind of outer tubine Application way of porous ceramics of air conditioner condensate water and device |
| CN105546803B (en) * | 2016-02-01 | 2019-12-20 | 艾欧史密斯(中国)热水器有限公司 | Gas water heating device, gas water heating system, gas water heater and water heating device |
| CN105823218A (en) * | 2016-05-11 | 2016-08-03 | 中山普瑞玛实业有限公司 | High-efficient condensing flue gas waste heat recovery device |
| CN105823215B (en) * | 2016-05-11 | 2019-03-29 | 广东普瑞玛实业有限公司 | High-efficient two condensing gas module stoves |
| CN111121276B (en) * | 2018-10-30 | 2021-08-20 | 宁波方太厨具有限公司 | Gas water heater capable of preventing condensed water and control method |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5852930A (en) * | 1981-09-25 | 1983-03-29 | Matsushita Electric Ind Co Ltd | Combustion apparatus |
| JPS6066044A (en) * | 1983-09-21 | 1985-04-16 | Hitachi Ltd | Instantaneous water heater |
| CN2898710Y (en) * | 2005-12-02 | 2007-05-09 | 广东万和集团有限公司 | Condensing gas water heater |
| CN200946917Y (en) * | 2006-08-25 | 2007-09-12 | 广东万和集团有限公司 | Full-premixed catalytic combustion condensation type gas-burning water heater |
| CN201191658Y (en) * | 2007-12-10 | 2009-02-04 | 东莞长安旭竤电子制品厂 | Memory card connector |
| CN101493253B (en) * | 2008-01-25 | 2012-03-07 | 深圳市联创实业有限公司 | Method for using porous ceramic for air humidification and air conditioning unit |
| CN201352005Y (en) * | 2008-12-12 | 2009-11-25 | 广东万家乐燃气具有限公司 | Fully premixing condensation type gas water heater |
| CN201417018Y (en) * | 2008-12-24 | 2010-03-03 | 滨海环保装备（天津）有限公司 | Condensing waste heat boiler |
| CN201724400U (en) * | 2010-05-20 | 2011-01-26 | 广东万和新电气股份有限公司 | Condensation type gas hot water device with air moistener |
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2010
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