CN101639290A - Flue thermal-arrest energy-saving device of domestic gas water heater - Google Patents
Flue thermal-arrest energy-saving device of domestic gas water heater Download PDFInfo
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- CN101639290A CN101639290A CN200910194843A CN200910194843A CN101639290A CN 101639290 A CN101639290 A CN 101639290A CN 200910194843 A CN200910194843 A CN 200910194843A CN 200910194843 A CN200910194843 A CN 200910194843A CN 101639290 A CN101639290 A CN 101639290A
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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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Abstract
The invention relates to a flue thermal-arrest energy-saving device of a domestic gas water heater, comprising an outer shell. The flue thermal-arrest energy-saving device is characterized in that thebottom of the outer shell is provided with an intake pipe hole, an outlet pipe hole and a condensed water discharge outlet pipe, wherein the outer shell is internally provided with vertically and alternately arranged fins, water pipes, a left separator, a right separator and a condensing heat exchanger, the water pipes are respectively and transversally connected in series on the fins and are vertically and alternately arranged and distributed at corresponding holes; the left separator and the right separator with turned-over edges respectively extend out of the front ends and the rear ends of the corresponding holes at both ends of the water pipes on which the vertically and alternately arranged fins are uniformly distributed; the left separator and the right separator are respectively sleeved at both end parts of the water pipes extending out of the outer sides of the vertically and alternately arranged fins; the condensing heat exchanger comprises U-shaped elbows which are respectively communicated with the end parts of the water pipes extending out of the left separator and the right separator; the intake pipe hole is communicated with an intake hole pipe with a valve; the outlet pipe hole is communicated with an exhalent pipe; and the front end and the rear end of the outer shell are connected with a front cover with a flue gas inlet and a rear cover with a flue gas outlet. The invention is suitable for matched use by connecting with the domestic gas water heater.
Description
Technical field:
The present invention relates to a kind of domestic gas-fired water heater, particularly relate to a kind of flue thermal-arrest energy-saving device of domestic gas water heater.
Background technology:
Present most of domestic gas-fired water heater of selling on the domestic market can produce a large amount of high-temperature flue gas and directly be discharged into outdoorly when burning, the flue-gas temperature at general exhaust outlet place is after testing up to 150-180 ℃, and is that have even higher.Just the 12L gas heater of using by three-person household is an example, owing to be subjected to the influence of forced-ventilated wind in the gas heater, it is to have little time to heating surface heating in less than 50 centimeters long combustion chambers and directly discharge from flue short that 15% heat energy is wherein arranged approximately, in order to keep the leaving water temperature of gas heater, each household every month will be how with about 6 cubic metres combustion gas (coal gas, natural gas, liquefied gas), calculate by Shanghai City 5,000,000 family residents, Shanghai every month (5,000,000 * 6 cubes) has wasted 3000 ten thousand stere combustion gas, with market price coal gas is that example is amounted to 3,750 ten thousand yuan of RMB, to waste 300,000,000 6 kilostere combustion gas the whole year, amount to about 400,000,000 5 thousand ten thousand yuan of RMB.This is city, Shanghai, if data are extended to the whole nation, that will be a very googol, waste startling.In addition, a large amount of acid waste gas and steam that burning is produced have not only been taken away a large amount of heat energy, also cause the waste of the energy, and the discharging of a large amount of acid waste gas has also caused great pollution to surrounding enviroment.
Summary of the invention:
The objective of the invention is to provide a kind of flue thermal-arrest energy-saving device of domestic gas water heater, and it not only can effectively utilize high-temperature waste flue gas under family expenses gas heater normal operation, cut down the consumption of energy, reduce and pollute, and, simple in structure, work simplification, low cost of manufacture.
In order to realize that above-mentioned purpose the present invention proposes following design: flue thermal-arrest energy-saving device of domestic gas water heater of the present invention comprises a shell, the bottom surface of described shell is provided with into, water outlet pore and condensate drain outlet pipe, described shell is built-in with a condensing heat exchanger, described condensing heat exchanger is by fin vertical and that segmentation is arranged, laterally going here and there respectively to be contained in vertically is spaced uniform and water pipe place, corresponding hole on the fin, be evenly equipped with on it with vertically and the corresponding hole, water pipe two ends on the fin arranged of segmentation before, that the rear end all is extended with flange and be set in stretch out vertically and fin two outsides that segmentation is arranged outside end, water pipe two ends on a left side, right clapboard and respectively with stretch out a left side, the elbow that is " U " shape that the water pipe end formation at place, hole is communicated with on the right clapboard constitutes, a described left side, on the fin of right clapboard and vertical and segmentation arrangement, lower end surface all with shell on, following inwall opposite position forms sealed attachment by fluid sealant, water inlet pore place on the described shell bottom surface be fixed with one with stretch out left clapboard on the water inlet of water pipe at hole place form be communicated with and water inlet pipe other end band valve, water outlet pore place on the described shell bottom surface be fixed with one with stretch out left clapboard on the delivery port place of water pipe at hole place form the delivery port pipe that is communicated with, before the described shell, the end, rear end respectively with have into, before the smoke gas port, bonnet forms fixing seal and connects a described left side, before the right clapboard, the outer face of the flange that extend the rear end also in this simultaneously respectively with preceding, the inwall opposite position of bonnet forms sealed attachment by fluid sealant and fixes.
The inwall of described protecgulum is provided with a heat insulating coat.The inwall of described shell is provided with a heat insulating coat.The other end place of the condensate drain outlet pipe on the described shell bottom surface is communicated with the condensed water neutralizing tank of a band wastewater outlet pipe.
Main and the supporting use of domestic gas-fired water heater of flue thermal-arrest energy-saving device of domestic gas water heater of the present invention, in the course of work of family expenses gas heater, heat in the high-temperature waste flue gas of domestic gas-fired water heater discharge is at first carried out preheating to the cold water that is input in the domestic gas-fired water heater, so that improve the leaving water temperature of domestic gas-fired water heater rapidly, when improving the domestic gas-fired water heater thermal efficiency, not only reclaimed the waste heat of high-temperature waste flue gas, saved the consumption of combustion gas, and, the service life of also having improved domestic gas-fired water heater effectively.
The present invention is mainly by fin, a left side has been adopted in the both sides of the condensing heat exchanger that water pipe and elbow are formed, right clapboard, and a fin and a left side, on the right clapboard, lower end surface all with shell on, following inwall opposite position forms sealed attachment by fluid sealant, a left side, before the right clapboard, the outer face of the flange that extend the rear end also in this simultaneously respectively with preceding, the inwall opposite position of bonnet forms sealed attachment by fluid sealant and fixes, make like this condensing heat exchanger be in shell and before, in the bonnet in the airtight relatively environment, high-temperature waste flue gas is concentrated behind the flue gas mouth by advancing of protecgulum entered vertically and in the segmentation fin gap of arranging of condensing heat exchanger, the high-temperature waste flue gas waste heat can be fully utilized, also can improve the thermal efficiency of preheating water in the water pipe greatly, leaving water temperature with rapid raising domestic gas-fired water heater, and also reduced and effluxed the high-temperature waste flue gas temperature, fin of the present invention adopts segment of double drainpipe fin structure, hot side compared with the structure of single fin water pipe coiling is long-pending bigger, water pipe is with dislocation arrangement mode at interval, thermal current can more effectively coil water pipe and flow, and has improved the efficient of heat exchange.Be equipped with heat insulating coat on the inwall of described protecgulum and shell, scatter and disappear in the time of can reducing heat energy by protecgulum and shell effectively, further improved the service efficiency of high-temperature waste flue gas heat energy.
In addition, high-temperature waste flue gas is after the heat exchange of process condensing heat exchanger, water recovery Cheng Shui in the high-temperature waste flue gas, sour gas such as CO2, the NOX in the useless flue gas, SO2 also are dissolved in the condensed water simultaneously, and therefore, the present invention has also set up the condensed water neutralizing tank, make the not directly discharging of the condensate drain outlet pipe place of condensed water on the described shell bottom surface of flowing through, and enter the condensed water neutralizing tank again, with in the weak base nertralizer that presets and after discharge again, the waste water of Pai Chuing just no longer pollutes the environment like this.
Flue thermal-arrest energy-saving device of domestic gas water heater of the present invention is not only simple in structure, and volume is small and exquisite, low cost of manufacture, and, easy to install, and use cost is also low, can couple together with existing domestic gas-fired water heater at an easy rate, need not change the structure of original pot-type boiler.
The effective drift diameter of flue thermal-arrest energy-saving device of domestic gas water heater of the present invention and surpass the flue of domestic gas-fired water heater, the air-flow at domestic gas-fired water heater smoke exhaust pipe road junction and pressure do not change after testing, can not influence the operate as normal of domestic gas-fired water heater.
Flue thermal-arrest energy-saving device of domestic gas water heater of the present invention also has security, is embodied in: flue thermal-arrest energy-saving device of domestic gas water heater of the present invention is connected in the running water pipe inlet channel and works, and is a kind of passive device, does not need external power; Domestic gas-fired water heater start, flue thermal-arrest energy-saving device of domestic gas water heater of the present invention be operation together then, and gas heater cuts out, and then stops automatically; Flue thermal-arrest energy-saving device of domestic gas water heater of the present invention does not influence the latus rectum of the original smoke discharging pipe of domestic gas-fired water heater and the security of smoke evacuation; Flue thermal-arrest energy-saving device of domestic gas water heater of the present invention is not that naked light sprays because of the thermal process that is subjected at smoke discharging pipe; the water pipe hydraulic pressure of circulation preheating is identical with the family expenses gas heater; the temperature of water outlet is only than high 20 degree of water inlet; the also cooling rapidly of back smoke discharging pipe if domestic gas-fired water heater is ceased fire; running water in the water pipe that the circulation preheating is used also no longer heats up, so flue thermal-arrest energy-saving device of domestic gas water heater of the present invention service life is greater than more than 8 years.
In order to confirm the actual effect of flue thermal-arrest energy-saving device of domestic gas water heater of the present invention, and flue thermal-arrest energy-saving device of domestic gas water heater of the present invention is connected and supporting use by pipeline with a 10L energy rate gas heater, sees Table one through concrete test result.
Measured data in table one laboratory
Annotate: energy saver is a flue thermal-arrest energy-saving device of domestic gas water heater of the present invention
The analysis of his-and-hers watches one data:
Because the energy that once absorbed of the every rising of water temperature is impartial, so can reflect energy-conservation percent efficiency with the difference of the temperature lift-off value of water outlet under the equal flow.
During flow 400L/h, (63-24)/(59-24)-1=11.4%,
During flow 350L/h, (71-25)/(66-25)-1=12.2%,
During flow 300L/h, (79-25)/(72-25)-1=14.9%,
This shows used flue thermal-arrest energy-saving device of domestic gas water heater of the present invention after, when flow was 400L/h, energy-conservation percentage was 11.4%.When flow was 350L/h, energy-conservation percentage was 12.2%.During flow 300L/h, energy-conservation percentage is 14.9%.
Setting under the equal firepower condition of the domestic gas-fired water heater situation, water flow is more little, and the temperature of the high-temperature waste flue gas gas of discharge is just high more, and the waste heat that can absorb is also many more.When discharge arrives 300L/h, waste heat makes leaving water temperature improve 7 degree on year-on-year basis, and exhaust gas temperature almost is exactly a room temperature, only exceeds 5 degree than entry water temperature, be lower than the delivery port water temperature of flue thermal-arrest energy-saving device of domestic gas water heater of the present invention, the thermal efficiency of this moment is to peak.
Description of drawings:
Concrete structure of the present invention is provided by following embodiment and accompanying drawing thereof.
Fig. 1 is the structural representation of flue thermal-arrest energy-saving device of domestic gas water heater of the present invention.
Fig. 2 is the schematic diagram behind removal left clapboard of flue thermal-arrest energy-saving device of domestic gas water heater of the present invention etc.
Fig. 3 is the user mode schematic diagram of flue thermal-arrest energy-saving device of domestic gas water heater of the present invention.
The specific embodiment:
Below with reference to accompanying drawing flue thermal-arrest energy-saving device of domestic gas water heater of the present invention is described in further detail.
Referring to Fig. 1, Fig. 2 and Fig. 3, the flue thermal-arrest energy-saving device of domestic gas water heater of this invention includes described shell 1, described condensing heat exchanger, described water inlet pipe 12, described delivery port pipe 14 and described forward and backward lid 17,18.
The bottom surface of described shell 1 is provided with water-in and water-out pore 2,3 and condensate drain outlet pipe 4, the other end place of described condensate drain outlet pipe 4 is communicated with a condensed water neutralizing tank 22, one side of described condensed water neutralizing tank 22 is provided with a wastewater outlet pipe 21, be coated with a heat insulating coat 20 on the inwall of described shell 1, described shell 1 is built-in with a condensing heat exchanger.
Described condensing heat exchanger is by fin 5 vertical and that segmentation is arranged, laterally going here and there respectively to be contained in vertically is spaced uniform and water pipe 6 place, corresponding hole on the fin 5, be evenly equipped with on it with vertically and the corresponding hole, water pipe 6 two ends on the fin 5 arranged of segmentation before, the rear end all is extended with flange 71,72,81,82 and be set in stretch out vertically and 5 liang of outsides of fin that segmentation is arranged outside end, water pipe 6 two ends on a left side, right clapboard 7,8 and respectively with stretch out a left side, right clapboard 7, the elbow 9 that is " U " shape that the water pipe 6 ends formation at place, hole is communicated with on 8 constitutes.Described left and right dividing plate 7,8 and vertically and the upper and lower end end face of the fin 5 arranged of segmentation all form sealed attachment by fluid sealant with the upper and lower inwall opposite position of shell 1.
Described water inlet pipe 12 is fixed on water inlet pore 2 places on described shell 1 bottom surface, and described water inlet pipe 12 is communicated with the water inlet 10 places formation of the water pipe 6 that the hole on stretching out left clapboard 7 is located, and the other end of described water inlet pipe 12 is connected with a valve 11.
Described delivery port pipe 14 is fixed on water outlet pore 3 places on described shell 1 bottom surface, and described delivery port pipe 14 is communicated with the delivery port 13 places formation of the water pipe 6 that the hole on stretching out left clapboard 7 is located.
Be respectively equipped with one into and out of flue gas mouth 15,16 on the described forward and backward lid 17,18, be coated with a heat insulating coat 19 on the inwall of described protecgulum 17, described forward and backward lid 17,18 forms fixing seal with the front and back ends end of described shell 1 respectively and connects, in this simultaneously, the outer face of the flange 71,72,81,82 that extends of described left and right dividing plate 7,8 front and back ends also forms sealed attachment with the inwall opposite position of described forward and backward lid 17,18 by fluid sealant respectively and fixes.
The use of flue thermal-arrest energy-saving device of domestic gas water heater of the present invention, as long as earlier the flue gas mouth place 15 of advancing on the described protecgulum 17 of flue thermal-arrest energy-saving device of domestic gas water heater is communicated with the outlet flue pipe of domestic gas-fired water heater, then the other end with the delivery port pipe 14 at water outlet pore 3 places on described shell 1 bottom surface is communicated with the water inlet pipe mouth of domestic gas-fired water heater, again the valve 11 on the water inlet pipe 12 at water inlet pore 2 places on described shell 1 bottom surface is communicated with running water pipe, when domestic gas-fired water heater is used in unlatching, the condensing heat exchanger of running water elder generation process flue thermal-arrest energy-saving device of domestic gas water heater of the present invention also carries out heat exchange, heat is sent in the described shell 1 by the flue gas mouth 15 that advances on the described protecgulum 17 from the outlet flue pipe of domestic gas-fired water heater by the high-temperature waste flue gas that domestic gas-fired water heater is produced in the course of the work, and accumulate in vertically and in the gap between the fin 5 arranged of segmentation of described condensing heat exchanger, the heat of high-temperature waste flue gas by vertical arrangement of condensing heat exchanger fin 5 and string be contained in vertical arrangement fin 5 on the water pipe 6 at place, corresponding hole absorb, transmit the running water water body of heating from the low temperature of the water inlet pipe 12 at water inlet pore 2 places on described shell 1 bottom surface, running water water body after the preheating is sent into the water inlet pipe mouth of domestic gas-fired water heater again by the delivery port pipe 14 at water outlet pore 3 places on described shell 1 bottom surface, further heating is required to satisfy shower.
When flue thermal-arrest energy-saving device of domestic gas water heater of the present invention uses, can produce acid condensate water in the described shell 1, acid condensate water can enter the condensed water neutralizing tank 22 of connection by the other end place of the condensate drain outlet pipe 4 on described shell 1 bottom surface, through in the weak base nertralizer that presets in it and after discharge from the wastewater outlet pipe 21 of condensed water neutralizing tank 22 1 sides again.
Flue thermal-arrest energy-saving device of domestic gas water heater of the present invention is simple in structure, easy to use, and the discharged gas fume temperature is low, and the condensed water of discharging is pollution-free.
Flue thermal-arrest energy-saving device of domestic gas water heater of the present invention can be suitable for being connected with domestic gas-fired water heater supporting use.
Claims (4)
1, a kind of flue thermal-arrest energy-saving device of domestic gas water heater, it comprises a shell (1), the bottom surface that it is characterized in that described shell (1) is provided with into, water outlet pore (2), (3) and condensate drain outlet pipe (4), described shell (1) is built-in with a condensing heat exchanger, described condensing heat exchanger is by fin (5) vertical and that segmentation is arranged, laterally going here and there respectively to be contained in vertically is spaced uniform and water pipe (6) place, corresponding hole on the fin (5), be evenly equipped with on it with vertically and water pipe (6) the corresponding hole, two ends on the fin (5) arranged of segmentation before, the rear end all is extended with flange (71), (72), (81), (82) and be set in stretch out vertically and fin (5) two outsides that segmentation is arranged outside water pipe (6) end, two ends on a left side, right clapboard (7), (8) and respectively with stretch out a left side, right clapboard (7), (8) upward the elbow that is " U " shape (9) of water pipe (6) the end formation connection at place, hole constitutes, a described left side, right clapboard (7), (8) and vertically and the fin (5) arranged of segmentation on, lower end surface all with shell (1) on, following inwall opposite position forms sealed attachment by fluid sealant, water inlet pore (2) on described shell (1) bottom surface locate to be fixed with one with stretch out left clapboard (7) on the water inlet (10) of water pipe (6) at place, hole locate to form that be communicated with and water inlet pipe (12) other end band valve (11), water outlet pore (3) on described shell (1) bottom surface locate to be fixed with one with stretch out left clapboard (7) on the delivery port (13) of water pipe (6) at place, hole locate to form the delivery port pipe (14) that is communicated with, before the described shell (1), the end, rear end respectively with have into, smoke gas port (15), (16) before, bonnet (17), (18) form fixing seal and connect a described left side, right clapboard (7), (8) preceding, the flange (71) that extend the rear end, (72), (81), (82) outer face also in this simultaneously respectively with preceding, bonnet (17), (18) inwall opposite position forms sealed attachment by fluid sealant and fixes.
2, flue thermal-arrest energy-saving device of domestic gas water heater according to claim 1 is characterized in that the inwall of described protecgulum (17) is provided with a heat insulating coat (19).
3, flue thermal-arrest energy-saving device of domestic gas water heater according to claim 1 is characterized in that the inwall of described shell (1) is provided with a heat insulating coat (20).
4, flue thermal-arrest energy-saving device of domestic gas water heater according to claim 1 is characterized in that the other end place of the condensate drain outlet pipe (4) on described shell (1) bottom surface is communicated with the condensed water neutralizing tank (22) of a band wastewater outlet pipe (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101948439A CN101639290B (en) | 2009-08-31 | 2009-08-31 | Flue thermal-arrest energy-saving device of domestic gas water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101948439A CN101639290B (en) | 2009-08-31 | 2009-08-31 | Flue thermal-arrest energy-saving device of domestic gas water heater |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101639290A true CN101639290A (en) | 2010-02-03 |
| CN101639290B CN101639290B (en) | 2012-12-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009101948439A Expired - Fee Related CN101639290B (en) | 2009-08-31 | 2009-08-31 | Flue thermal-arrest energy-saving device of domestic gas water heater |
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| CN (1) | CN101639290B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2529232A (en) * | 2014-08-14 | 2016-02-17 | Munster Simms Eng Ltd | Heat exchanger for heating apparatus |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB8606458D0 (en) * | 1986-03-15 | 1986-04-23 | Thorn Emi Heating Ltd | Gas-fired heating appliance |
| JP3589610B2 (en) * | 1999-06-22 | 2004-11-17 | 東京瓦斯株式会社 | Combustion equipment |
| CN2704789Y (en) * | 2004-05-11 | 2005-06-15 | 陈卫华 | Energy saver of condensing gas boiler |
| CN2807126Y (en) * | 2005-06-20 | 2006-08-16 | 李宗辉 | Water heater capable of utilizing waste heat sufficiently |
| CN201014752Y (en) * | 2007-02-12 | 2008-01-30 | 刘志德 | Flue gas condensing unit of oil and gas boiler |
| CN201273706Y (en) * | 2008-09-02 | 2009-07-15 | 美的集团有限公司 | Heat exchanger of condensing gas water heater |
| CN201476304U (en) * | 2009-08-31 | 2010-05-19 | 上海申华声学装备有限公司 | Domestic fuel water heater air flue heat-collecting and energy-saving device |
-
2009
- 2009-08-31 CN CN2009101948439A patent/CN101639290B/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2529232A (en) * | 2014-08-14 | 2016-02-17 | Munster Simms Eng Ltd | Heat exchanger for heating apparatus |
| GB2529232B (en) * | 2014-08-14 | 2019-03-20 | Munster Simms Eng Ltd | Heat exchanger for heating apparatus |
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| Publication number | Publication date |
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| CN101639290B (en) | 2012-12-05 |
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