CN204254886U - Condensing secondary heat exchange wall-hung boiler - Google Patents
Condensing secondary heat exchange wall-hung boiler Download PDFInfo
- Publication number
- CN204254886U CN204254886U CN201420617424.8U CN201420617424U CN204254886U CN 204254886 U CN204254886 U CN 204254886U CN 201420617424 U CN201420617424 U CN 201420617424U CN 204254886 U CN204254886 U CN 204254886U
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- heat exchange
- water
- recovery device
- hung boiler
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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]
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- Instantaneous Water Boilers, Portable Hot-Water Supply Apparatuses, And Control Of Portable Hot-Water Supply Apparatuses (AREA)
Abstract
A kind of condensing secondary heat exchange wall-hung boiler, comprises blower fan, main heat exchanger, burner, plate type heat exchanger and combustion chamber; Described main heat exchanger connects burner and combustion chamber; It is characterized in that: also comprise off-gas recovery device and condensed water averager; Described off-gas recovery device is communicated with combustion chamber, tap water inlets, main heat exchanger and condensed water averager, off-gas recovery device inside is provided with the heat exchange core stacked together successively by some condensate film groups, water enters in heat exchange core, flue gas enters the exhaust gases passes on heat exchange core, make water and flue gas carry out heat exchange, realize secondary heat exchange; Described condensed water averager is communicated with the condensation-water drain of off-gas recovery device, is built-in with ball float, utilizes buoyancy to realize draining and water storage, play anti-gas-leak effect simultaneously.The utility model carries out heat exchange by off-gas recovery device to water and flue gas, and realize secondary heat exchange, not only heat transfer rate is high, and energy-conserving and environment-protective, safety non-pollution.
Description
Technical field
The utility model relates to a kind of wall-hung boiler, particularly a kind of condensing secondary heat exchange wall-hung boiler.
Background technology
The Chinese patent literature number a kind of high-efficiency condensation gas heater disclosed on June 25th, 2014 for CN203671918U, comprise: casing, be arranged on the burner on casing, heat exchanger, heat exchanger tube, DC fan, and controller, it is characterized in that, described heat exchanger tube comprises coil pipe parallel with one another and corrugated stainless steel tubing; Described coil pipe is coiled on heat exchanger and carries out first time heat exchange, and described corrugated stainless steel tubing is in parallel with coil pipe carries out second time heat exchange; Use kuppe to separate between coil pipe and bellows, be provided with heat exchange fin at the top of heat exchanger, described coil pipe passes heat exchange fin together with after corrugated stainless steel tubing parallel connection.This structure utilizes coil pipe and corrugated stainless steel tubing to carry out heat exchange, but due to the volume of coil pipe and corrugated stainless steel tubing comparatively large, therefore take up space comparatively large, and heat transfer rate is not high, therefore, is necessary to make further improvements.
Utility model content
The purpose of this utility model aims to provide that a kind of simple and reasonable, energy-conserving and environment-protective, heat transfer rate are high, the condensing secondary heat exchange wall-hung boiler of safety non-pollution, to overcome weak point of the prior art.
By a kind of condensing secondary heat exchange wall-hung boiler that this object designs, comprise blower fan, main heat exchanger, burner, plate type heat exchanger and combustion chamber; Described main heat exchanger connects burner and combustion chamber; It is characterized in that: also comprise off-gas recovery device and condensed water averager; Described off-gas recovery device is communicated with combustion chamber, running water, main heat exchanger and condensed water averager, off-gas recovery device inside is provided with the heat exchange core stacked together successively by some condensate film groups, water enters in heat exchange core, flue gas enters the exhaust gases passes on heat exchange core, make water and flue gas carry out heat exchange, realize secondary heat exchange; Described condensed water averager is communicated with the condensation-water drain of off-gas recovery device, is built-in with ball float, utilizes buoyancy to realize draining and water storage, play anti-gas-leak effect simultaneously.
Described off-gas recovery device is assemblied in wall-hung boiler top, its air inlet is communicated with combustion chamber by blower fan, under the air-supply effect of blower fan, flue gas enters off-gas recovery device from combustion chamber, carry out heat exchange recovery effect, finally discharge wall-hung boiler from the gas outlet of off-gas recovery device, gas outlet is communicated with wall-hung boiler top, and flue gas is at least discharged from wall-hung boiler top.
Off-gas recovery device arranges heating water return mouth, enters in heat exchange core for dim backwater, and flue gas is sent in off-gas recovery device with for dim backwater and carried out heat exchange, and flue gas finally discharges wall-hung boiler, discharges, enter main heat exchanger for dim backwater from the delivery port of off-gas recovery device.
Described off-gas recovery device is provided with condensation-water drain, and the condensed water that heat exchange produces is discharged from condensation-water drain and entered condensed water averager; Described condensed water averager is placed in bottom wall-hung boiler, and discharges condensed water or store.
Described off-gas recovery device comprises heat exchange core, recover shell and recover lid; Described heat exchange core is stacked together up and down successively by some condensate film groups, and wherein condensate film group inside is provided with the pipelined channel at least taken the shape of the letter U, and pipelined channel two ends are communicated with heating water return mouth and delivery port respectively, in addition, are formed with exhaust gases passes between adjacent condensate film group; Described recover shell at least bottom is provided with condensation-water drain and is communicated with condensed water averager, and heat exchange core is assemblied in recover shell, and fitting surface is hermetically enclosed, and recover enclosure separates the half-duplex channel having and at least take the shape of the letter U; Described recover covers and is raised with two independent cavitys, and air inlet and gas outlet are arranged on cavity respectively, and is communicated with the two ends of the half-duplex channel in recover shell separately.
Described condensed water averager comprises averager main body and closes the spiral cover of each outlet; Described averager main body is at least in N shape, and upper end is condensing water inlet, and bottom is condensation-water drain, and upper kink is ventilation mouth, and lower kink is water storage mouth; Be provided with ball float and drain body in averager main body, ball float closes the discharge outlet in drain body at ordinary times, realizes water storage, and when liquid level rises, ball float floats, and discharge outlet is opened, and last condensed water discharges wall-hung boiler from condensation-water drain, realizes draining.
Wall-hung boiler inner bottom part is also provided with plate type heat exchanger, and plate type heat exchanger is communicated with heating and returns back out mouth and heating delivery port, and heating returns back out mouth and is communicated with expansion tank, in addition, is also communicated with safety valve, water circulating pump and heating water return mouth successively.
Described heating returns back out mouth and is communicated with tap water inlets by water injection valve, is provided with water flow sensing unit between tap water inlets and plate type heat exchanger.
Described heating delivery port is communicated with plate type heat exchanger by hydraulic pressure switch, and the heating hot water that main heat exchanger produces is flowed in plate type heat exchanger by the control of electric T-shaped valve.
Burner connects fuel gas inlet by gas ratio valve.
The utility model carries out heat exchange by off-gas recovery device to water and flue gas, and realize secondary heat exchange, not only heat transfer rate is high, and energy-conserving and environment-protective, safety non-pollution.The heat exchange core arranged in off-gas recovery device is stacked together successively by some condensate film groups, and during heat exchange, water flows in condensate film group, the exhaust gases passes transmission of flue gas between adjacent condensate film group, the water yield in single condensate film group is few, large with the contact area of flue gas, improves heat transfer rate greatly.The condensed water produced in off-gas recovery device finally enters condensed water averager, and be provided with ball float in condensed water averager, when condensed water is in setting range, ball float closes condensation-water drain, and when condensed water raises, ball float floats, and condensation-water drain is opened, to carry out draining.Ball float is water stored state when closing condensation-water drain, now has anti-gas-leak effect, in case pernicious gas is discharged.It has, and simple and reasonable, energy-conserving and environment-protective, heat transfer rate are high, the feature of safety non-pollution.
Accompanying drawing explanation
Fig. 1 is the utility model internal structure schematic diagram.
Fig. 2 is the utility model perspective view.
Fig. 3 is the utility model front view.
Fig. 4 is the utility model left view.
Fig. 5 is the utility model rearview.
Fig. 6 is off-gas recovery device perspective view.
Fig. 7 is off-gas recovery device decomposition texture schematic diagram.
Fig. 8 is the structural representation of condensate film group.
Fig. 9 is condensed water averager perspective view.
Figure 10 is condensed water averager decomposition texture schematic diagram.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is further described.
See Fig. 1-Fig. 3, this condensing secondary heat exchange wall-hung boiler, comprises blower fan 3, main heat exchanger 4, burner 8, plate type heat exchanger 11 and combustion chamber 16.Main heat exchanger 4 connects burner 8 and combustion chamber 16, is the main heating system in wall-hung boiler.In addition, off-gas recovery device 14 and condensed water averager 20 is also comprised.Wherein, off-gas recovery device 14 is communicated with combustion chamber 16, tap water inlets F, main heat exchanger 4 and condensed water averager 20, and off-gas recovery device 14 inside is provided with the heat exchange core 14.1 stacked together successively up and down by some condensate film group 14.1.1; Running water enters in heat exchange core 14.1, and flue gas enters the exhaust gases passes on heat exchange core 14.1, makes water and flue gas carry out heat exchange, realizes secondary heat exchange, energy-conserving and environment-protective.Condensed water averager 20 is communicated with the condensation-water drain 14.1.4 of off-gas recovery device 14, is built-in with ball float 20.2, utilizes buoyancy to realize draining and water storage, plays anti-gas-leak effect simultaneously, prevent pernicious gas from discharging.
Specifically, off-gas recovery device 14 is assemblied in wall-hung boiler top, its air inlet is communicated with combustion chamber 16 by blower fan 3, under the air-supply effect of blower fan 3, flue gas enters off-gas recovery device 14 from combustion chamber 16, after completing heat exchange recovery effect, finally discharges wall-hung boiler from the gas outlet of off-gas recovery device 14, gas outlet be communicated with wall-hung boiler top, flue gas by pipeline from wall-hung boiler top along the discharge chamber of B direction; Wherein, combustion chamber 16 is provided with blast switch 2, controls blower fan 3 and works.The heating water return mouth 14.1.3 of off-gas recovery device 14 enters for running water, running water enters in heat exchange core 14.1, flue gas is sent in off-gas recovery device 14 and is carried out heat exchange with running water, flue gas finally discharges wall-hung boiler along B direction, running water is discharged from the delivery port 14.1.2 of off-gas recovery device 14, then enters main heat exchanger 4.Off-gas recovery device 14 is provided with condensation-water drain 14.1.4, and the condensed water that heat exchange produces is discharged from condensation-water drain 14.1.4 and entered condensed water averager 20; Condensed water averager 20 is placed in bottom wall-hung boiler, and discharges condensed water and store, and wherein, stores a small amount of condensed water and effectively can prevent gas leakage.
See Fig. 6-8, off-gas recovery device 14 comprises heat exchange core 14.1, recover shell 14.2 and recover lid 14.3.Heat exchange core 14.1 is stacked together up and down successively by some condensate film group 14.1.1, and wherein condensate film group 14.1.1 inside is provided with the pipelined channel taken the shape of the letter U, and pipelined channel two ends are communicated with heating water return mouth 14.1.3 and delivery port 14.1.2 respectively; In addition, exhaust gases passes is formed with between adjacent condensate film group 14.1.1.The pipelined channel directly entered in condensate film group 14.1.1 from heating water return mouth 14.1.3 for dim backwater transmits, and flue gas enters from air inlet, in exhaust gases passes transmission, because pipelined channel is pancake, the water yield is few, and heat exchange area is large, therefore improves heat transfer rate greatly.Be provided with condensation-water drain 14.1.4 bottom recover shell 14.2 to be communicated with condensed water averager 20, heat exchange core 14.1 is assemblied in recover shell 14.2, and fitting surface is hermetically enclosed, and recover shell 14.2 internal partition has the half-duplex channel of U-shaped.Recover lid 14.3 projection has two independent cavitys, and air inlet and gas outlet are arranged on cavity respectively, and is communicated with the two ends of the half-duplex channel in recover shell 14.3 separately; Wherein, gas outlet is provided with the overheated fuse 1 of flue gas.
See Fig. 9-10, condensed water averager 20 comprises averager main body 20.1 and closes the spiral cover of each outlet.Averager main body 20.1 is in N shape, and upper end is condensing water inlet, and bottom is condensation-water drain, and upper kink is ventilation mouth, and lower kink is water storage mouth.Be provided with ball float 20.2 and drain body 20.3 in averager main body 20.1, ball float 20.2 closes the discharge outlet in drain body 20.3 at ordinary times, realizes water storage, effectively prevents the discharge of harmful smoke; When condensed water liquid level rises, ball float 20.2 floats, and discharge outlet is opened, and last condensed water discharges wall-hung boiler from condensation-water drain SC, realizes draining, prevents pouring in down a chimney of condensed water.Along with the discharge of condensed water, the liquid level in averager main body 20.1 declines, and ball float 20.2 declines and again closes discharge outlet, stops draining; Meanwhile, do not have the condensed water of discharging to form a leakproof gas-bearing formation in averager main body 20.1, effectively prevent the discharge of pernicious gas.
Wall-hung boiler inner bottom part is also provided with plate type heat exchanger 11, plate type heat exchanger 11 is communicated with heating and returns back out mouthful R and heating water outlet A, heating returns back out a mouthful R and is communicated with expansion tank 19, in addition, also be communicated with safety valve 23, water circulating pump 22 and heating water return mouth 14.1.3 successively, wherein water circulating pump 22 be provided with automatic drain valve 21.Heating returns back out mouthful R and is communicated with tap water inlets F by water injection valve 26, is provided with water flow sensing unit 25, water flow sensing unit 25 is provided with flow-limiting valve 24 between tap water inlets F and plate type heat exchanger 11.Heating water outlet A is communicated with plate type heat exchanger 11 by hydraulic pressure switch 12, and heating water outlet A also connects water pressure gauge 13; The heating hot water that main heat exchanger 4 produces is flowed in plate type heat exchanger 11 by the control of electric T-shaped valve 10.
Above-mentioned is preferred version of the present utility model, and those of ordinary skill in the art, to its simple modification or transformation, all drop within protection domain of the present utility model.
Claims (10)
1. a condensing secondary heat exchange wall-hung boiler, comprises blower fan (3), main heat exchanger (4), burner (8), plate type heat exchanger (11) and combustion chamber (16); Described main heat exchanger (4) connects burner (8) and combustion chamber (16); It is characterized in that: also comprise off-gas recovery device (14) and condensed water averager (20); Described off-gas recovery device (14) is communicated with combustion chamber (16), tap water inlets (F), main heat exchanger (4) and condensed water averager (20), off-gas recovery device (14) inside is provided with the heat exchange core (14.1) stacked together successively by some condensate film groups (14.1.1), water enters in heat exchange core (14.1), flue gas enters the exhaust gases passes on heat exchange core (14.1), make water and flue gas carry out heat exchange, realize secondary heat exchange; Described condensed water averager (20) is communicated with the condensation-water drain (14.1.4) of off-gas recovery device (14), is built-in with ball float (20.2), utilizes buoyancy to realize draining and water storage, play anti-gas-leak effect simultaneously.
2. condensing secondary heat exchange wall-hung boiler according to claim 1, it is characterized in that described off-gas recovery device (14) is assemblied in wall-hung boiler top, its air inlet is communicated with combustion chamber (16) by blower fan (3), under the air-supply effect of blower fan (3), flue gas enters off-gas recovery device (14) from combustion chamber (8), carry out heat exchange recovery effect, finally discharge wall-hung boiler from the gas outlet of off-gas recovery device (14), gas outlet is communicated with wall-hung boiler top, and flue gas is at least discharged from wall-hung boiler top.
3. condensing secondary heat exchange wall-hung boiler according to claim 2, it is characterized in that described off-gas recovery device (14) arranges heating water return mouth (14.1.3), enter in heat exchange core (14.1) for dim backwater, flue gas is sent in off-gas recovery device (14) with for dim backwater and is carried out heat exchange, flue gas finally discharges wall-hung boiler, discharge from the delivery port (14.1.2) of off-gas recovery device (14) for dim backwater, enter main heat exchanger (4).
4. condensing secondary heat exchange wall-hung boiler according to claim 3, it is characterized in that described off-gas recovery device (14) is provided with condensation-water drain (14.1.4), the condensed water that heat exchange produces is discharged from condensation-water drain (14.1.4), and enters condensed water averager (20); Described condensed water averager (20) is placed in bottom wall-hung boiler, and discharges condensed water or store.
5. the condensing secondary heat exchange wall-hung boiler according to any one of claim 1-4, is characterized in that described off-gas recovery device (14) comprises heat exchange core (14.1), recover shell (14.2) and recover lid (14.3); Described heat exchange core (14.1) is stacked together up and down successively by some condensate film groups (14.1.1), wherein condensate film group (14.1.1) inside is provided with the pipelined channel at least taken the shape of the letter U, pipelined channel two ends are communicated with heating water return mouth (14.1.3) and delivery port (14.1.2) respectively, in addition, exhaust gases passes is formed with between adjacent condensate film group (14.1.1); Described recover shell (14.2) at least bottom is provided with condensation-water drain (14.1.4) and is communicated with condensed water averager (20), heat exchange core (14.1) is assemblied in recover shell (14.2), and fitting surface is hermetically enclosed, recover shell (14.2) internal partition has the half-duplex channel at least taken the shape of the letter U; Described recover lid (14.3) projection has two independent cavitys, and air inlet and gas outlet are arranged on cavity respectively, and is communicated with the two ends of the half-duplex channel in recover shell (14.2) separately.
6. condensing secondary heat exchange wall-hung boiler according to claim 5, is characterized in that described condensed water averager (20) comprises averager main body (20.1) and closes the spiral cover of each outlet; Described averager main body (20.1) is at least in N shape, and upper end is condensing water inlet, and bottom is condensation-water drain, and upper kink is ventilation mouth, and lower kink is water storage mouth; Ball float (20.2) and drain body (20.3) is provided with in averager main body (20.1), ball float (20.2) closes the discharge outlet in drain body (20.3) at ordinary times, realize water storage, when liquid level rises, ball float (20.2) floats, discharge outlet is opened, and last condensed water discharges wall-hung boiler from condensation-water drain (SC), realizes draining.
7. condensing secondary heat exchange wall-hung boiler according to claim 6, it is characterized in that: wall-hung boiler inner bottom part is also provided with plate type heat exchanger (11), plate type heat exchanger (11) is communicated with heating and returns back out mouth (R) and heating delivery port (A), heating returns back out mouth (R) and is communicated with expansion tank (19), in addition, safety valve (23), water circulating pump (22) and heating water return mouth (14.1.3) is also communicated with successively.
8. condensing secondary heat exchange wall-hung boiler according to claim 7, it is characterized in that described heating returns back out mouth (R) and is communicated with tap water inlets (F) by water injection valve (26), between tap water inlets (F) and plate type heat exchanger (11), be provided with water flow sensing unit (25).
9. condensing secondary heat exchange wall-hung boiler according to claim 7, it is characterized in that described heating delivery port (A) is communicated with plate type heat exchanger (11) by hydraulic pressure switch (12), the heating hot water that main heat exchanger (4) produces is flowed in plate type heat exchanger (11) by the control of electric T-shaped valve (10).
10. condensing secondary heat exchange wall-hung boiler according to claim 9, is characterized in that: burner (8) connects fuel gas inlet (G) by gas ratio valve (9).
Priority Applications (1)
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CN201420617424.8U CN204254886U (en) | 2014-10-23 | 2014-10-23 | Condensing secondary heat exchange wall-hung boiler |
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CN201420617424.8U CN204254886U (en) | 2014-10-23 | 2014-10-23 | Condensing secondary heat exchange wall-hung boiler |
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Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106066059A (en) * | 2016-06-22 | 2016-11-02 | 珠海格力电器股份有限公司 | Wall-mounted stove |
CN107062613A (en) * | 2017-06-29 | 2017-08-18 | 西安富凯能源科技有限责任公司 | A kind of method that wall-hung boiler is changed condensing by on-condensing |
CN107906734A (en) * | 2017-09-30 | 2018-04-13 | 杨文程 | A kind of return-stroke type wall-hung boiler |
CN108731268A (en) * | 2018-07-04 | 2018-11-02 | 王研 | The low nitrogen negative pressure Hot water units of dish-shaped flame and its operation method |
CN109442756A (en) * | 2018-12-15 | 2019-03-08 | 成都前锋电子有限责任公司 | A kind of full Pre-coagulation formula gas-heating water heater equipped with air inlet voltage regulation adjustor |
CN112303890A (en) * | 2019-09-09 | 2021-02-02 | 中山市羽顺热能技术设备有限公司 | Improved gas heating water heater |
CN112303892A (en) * | 2019-09-09 | 2021-02-02 | 中山市羽顺热能技术设备有限公司 | Novel gas heating water heater |
-
2014
- 2014-10-23 CN CN201420617424.8U patent/CN204254886U/en not_active Expired - Fee Related
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106066059A (en) * | 2016-06-22 | 2016-11-02 | 珠海格力电器股份有限公司 | Wall-mounted stove |
CN107062613A (en) * | 2017-06-29 | 2017-08-18 | 西安富凯能源科技有限责任公司 | A kind of method that wall-hung boiler is changed condensing by on-condensing |
CN107906734A (en) * | 2017-09-30 | 2018-04-13 | 杨文程 | A kind of return-stroke type wall-hung boiler |
CN108731268A (en) * | 2018-07-04 | 2018-11-02 | 王研 | The low nitrogen negative pressure Hot water units of dish-shaped flame and its operation method |
CN109442756A (en) * | 2018-12-15 | 2019-03-08 | 成都前锋电子有限责任公司 | A kind of full Pre-coagulation formula gas-heating water heater equipped with air inlet voltage regulation adjustor |
CN112303890A (en) * | 2019-09-09 | 2021-02-02 | 中山市羽顺热能技术设备有限公司 | Improved gas heating water heater |
CN112303892A (en) * | 2019-09-09 | 2021-02-02 | 中山市羽顺热能技术设备有限公司 | Novel gas heating water heater |
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TR01 | Transfer of patent right |
Effective date of registration: 20200708 Address after: No.15, Ronggui Huaxin Road, Shunde District, Foshan City, Guangdong Province Patentee after: Guangdong laowangloni Thermal Energy Technology Co.,Ltd. Address before: 528300 Guangdong Province, Foshan city Shunde District Ronggui sand Huayuan square No. 52 Patentee before: Liang Yuansheng |
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TR01 | Transfer of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150408 Termination date: 20211023 |
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CF01 | Termination of patent right due to non-payment of annual fee |