CN202274609U - Gas heating water heater - Google Patents
Gas heating water heater Download PDFInfo
- Publication number
- CN202274609U CN202274609U CN2011203066479U CN201120306647U CN202274609U CN 202274609 U CN202274609 U CN 202274609U CN 2011203066479 U CN2011203066479 U CN 2011203066479U CN 201120306647 U CN201120306647 U CN 201120306647U CN 202274609 U CN202274609 U CN 202274609U
- Authority
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- Prior art keywords
- gas
- heat exchanger
- water heater
- main heat
- heating water
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- 239000008236 heating water Substances 0.000 title claims abstract description 34
- 239000000779 smoke Substances 0.000 claims abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 41
- 239000002737 fuel gas Substances 0.000 claims description 10
- 239000007789 gas Substances 0.000 claims description 10
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 30
- 239000003546 flue gas Substances 0.000 description 30
- 238000002485 combustion reaction Methods 0.000 description 16
- 239000000567 combustion gas Substances 0.000 description 13
- 238000010438 heat treatment Methods 0.000 description 12
- 230000008859 change Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- 229920000914 Metallic fiber Polymers 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Instantaneous Water Boilers, Portable Hot-Water Supply Apparatuses, And Control Of Portable Hot-Water Supply Apparatuses (AREA)
Abstract
The main object of the utility model is to provide a gas heating water heater which can effectively recycle the heat in the smoke discharged by the gas heating water heater. The gas heating water heater comprises a fully premixed burner, a main heat exchanger and a smoke exhaust channel component, wherein the main heat exchanger is provided with a smoke inlet arranged on the upper part and a smoke outlet arranged on the lower part, the fully premixed burner is arranged at the smoke inlet of the main heat exchanger, and the smoke exhaust channel component is communicated with the smoke outlet of the main heat exchanger.
Description
Technical field
The utility model relates to a kind of gas-heating water heater.
Background technology
At present, most of heating/hot water supply heating stoves are to use combustion gas work.Common gas two-purpose heating stove in use has general about 20% heat to emit along with flue gas, has so just caused the waste of the energy.Because combustion gas can produce a large amount of steam when burning, 1 cubic metre natural gas can produce 1.6 kilograms water when completing combustion.Therefore, the existing dual-purpose heating stove of full premix combustion condensing adopts the secondary heat exchange structure, the steam in the flue gas behind the condensation fuel gas buring more.Heat in the flue gas behind the fuel gas buring can obtain utilization more to a certain degree like this.
For example; Publication number is that the patent of CN1877212A discloses a kind of gas heating stove; With assisting condensed heat exchanger to be arranged on the top of burner,, the flue gas that fuel gas buring produces utilizes the heat that carries in the flue gas thereby carrying out heat exchange with cold water in the discharging process that makes progress.Adopt this mode, because heat exchanger is arranged on the top of burner, adopt supplementary heat exchanger to absorb the latent heat in the high-temperature flue gas, efficient increases, but excess air is on the high side, and efficiency of combustion is on the low side.Simultaneously, the high-temperature flue gas that is produced by burner combustion flows in heat exchanger from bottom to top, causes condensed water corrosion supplementary heat exchanger easily, produces hidden danger.In addition, because flue gas flows faster from bottom to top makes the heat exchange of high-temperature flue gas and main heat exchanger insufficient easily, make its heat exchange efficiency low.
The utility model content
In view of this, the main purpose of the utility model is to provide a kind of gas-heating water heater that makes the heat effective recycling in the full premix combustion condensed type combustion gas heating hot water stove discharged flue gas.
To achieve these goals; The utility model provides a kind of gas-heating water heater; Comprise all-premixing burner, main heat exchanger and discharge flue parts, it is characterized in that said main heat exchanger has smoke inlet that is arranged on top and the exhanst gas outlet that is arranged on the bottom; Said all-premixing burner is installed in the said gas approach place of said main heat exchanger, and said discharge flue parts are communicated with the said exhanst gas outlet of said main heat exchanger.
Adopt said structure; Because all-premixing burner is arranged on the top of main heat exchanger, the flue gas that is produced by the all-premixing burner burning flows in main heat exchanger from the top down, thereby thereby can avoid flow of flue gas too fast cause with heat exchanger in the heat exchange efficiency of water lower; Promptly; Employing has the gas-heating water heater of said structure, can make flue gas in main heat exchanger, retain the long time, has improved the heat exchange efficiency of main heat exchanger.
Preferably, the discharge flue parts are the flat duct member, and it is configured in the left side or the right side of said main heat exchanger.
Adopt said structure,, can reduce the appearance and size of gas-heating water heater effectively because smoke exhaust pipe is the flat duct member.
Preferably; Said flat duct member comprises first duct member of extension vertically and second duct member that along continuous straight runs extends; One end of this second duct member is connected with first duct member, and its other end is connecting the circular row smoke pipe that vertically extends.
Adopt said structure,, thereby be beneficial to installation more because the end of discharge flue parts is the circular row smoke pipe.In addition, because the flat tube parts are L-shaped, can make the structure of whole gas-heating water heater compact more.
Preferably, be formed with in the inboard of main heat exchanger in order to the heat of realizing fuel gas buring and the convexity that water carries out heat exchange.
The heat that adopts said structure, convexity to increase to produce with the all-premixing burner burning and with the contact area of high-temperature flue gas, thereby can improve heat exchange efficiency.
Preferably, on said gas-heating water heater, also be provided with the gas-air proportional controller.
Adopt said structure, the gas-air proportional controller changes the output pressure that the back is regulated combustion gas automatically according to the pressure of air, helps guaranteeing that it is best completing combustion operating mode that combustion gas and air reach certain ratio.
Preferably, said main heat exchanger and/or plate type heat exchanger are the aluminum heat exchanger.
Adopt said structure, because the thermal conductivity coefficient of aluminium is about stainless octuple, it can effectively reduce materials used under the equal heat exchange power, can reduce device size, simultaneously, because its ductility is stronger, can change the shape of main heat exchanger arbitrarily.
Description of drawings
Fig. 1 is the whole front view of gas-heating water heater;
Fig. 2 is the combustion system of gas-heating water heater and the structural representation of smoke evacuation system;
(A) is the front view of Fig. 2 among Fig. 3; (B) be in (A) a-a to side view, (C) be (A) middle b-b to side view;
Fig. 4 is the inner flow direction sketch map of main heat exchanger of gas-heating water heater;
Fig. 5 is the inner flue gas flow direction sketch map of main heat exchanger of gas-heating water heater.
The specific embodiment
Specify the gas-heating water heater that the utility model specific embodiment provides below in conjunction with Fig. 1-Fig. 5.
As shown in Figure 1, mainly be provided with on the top of gas-heating water heater in order to the all-premixing burner 11 of realizing fuel gas buring, gas-air proportional controller 4, ignitor 12, blender 10, premix blower fan 19 etc.Adjacent this all-premixing burner 11 is provided with the main heat exchanger 8 in order to the exchange heat that realizes hot flue gas and water, also is provided with the plate type heat exchanger 23 in order to the heating domestic water in the bottom of gas-heating water heater.The gas-heating water heater also comprises in order to carry air and combustion gas; And the heat outputting flue gas, will let the cigarette G&W be transported to main heat exchanger 8 and discharge low-temperature flue gas and the water circulating pump of high-temperature water 26, discharge flue 13, air bleeding valve 15, hush pipe 14, heating water return outlet 26, cold water inlet 27, fuel gas inlet 28, domestic hot-water export 29, heating delivery port 30 etc.The gas-heating water heater also comprises in order to the processor of controlling its each several part workflow and the sensor that detects various parameters etc.; For example, domestic hot-water's sensor 1, gas-air proportional controller 4, flue gas limiting temperature switch 9, flame detection electrode 16, limiting temperature switch 17, heating go out water sensor 20, heating backwater sensor 21, safety valve 22, flow switch 24 etc.
As shown in Figures 2 and 3, all-premixing burner 11 is arranged on the top of main heat exchanger 8, and its all-premixing burner for adopting metallic fiber to make because the flexible resilient of metallic fiber is stronger, can change the shape and size of all-premixing burner 11 effectively.Be provided with gas-air proportional controller 4 in the bottom of this gas-heating water heater; Be used to adjust the gas quantity that infeeds from the outside; One end of this gas-air proportional controller 4 links to each other with fuel gas inlet 28, and the other end links to each other with the all-premixing burner 11 that is disposed at its top via pipeline.Combustion gas gets into the gas supply pipe road via fuel gas inlet 28; Air gets into premix blower fan 19 via incoming air conduit, and combustion gas and air mix in blender 10 via the effect of premix blower fan 19; Mixed combustion gas is delivered in the combustion chamber; After the start signal that receives from control module, the ignitor 12 that is arranged on the all-premixing burner 11 discharges, and lights mixed combustion gas.
Below all-premixing burner 11, be provided with main heat exchanger 8, when all-premixing burner 11 work, the water of flowing through in it through 8 pairs of main heat exchangers heats.Main heat exchanger 8 hermetically-sealed construction that the toroidal combustion chamber inner chamber relatively arranged forms of serving as reasons; Wherein, The direction of vertical this combustion chamber inner chamber is the fore-and-aft direction of main heat exchanger 8; The vertical direction of this combustion chamber inner chamber is the above-below direction of main heat exchanger 8, with the fore-and-aft direction and the perpendicular direction of above-below direction of combustion chamber inner chamber be the left and right directions of main heat exchanger 8.There is the water channel 31 that is snakelike distribution the inboard of inner chamber in the combustion chamber; Wherein, The water inlet 33 of water channel 31 is positioned at the bottom of main heat exchanger 8, and its delivery port 32 is positioned at the top of main heat exchanger 8, and water at low temperature gets into main heat exchanger 8 via water inlet 33; In main heat exchanger 8, from bottom to top carry and heat exchange takes place, by delivery port 32 output high-temperature water.Offer the high-temperature flue gas import of a circle in the centre of this main heat exchanger 8; On the interior sidewall surface of combustion chamber inner chamber, be formed with some protruding 34; This convexity 34 stretches into the middle part of main heat exchanger 8, is used for the heat that all-premixing burner 11 burnings produce is passed to water channel 31, because it is a raised structures; Can increase the heat that produces with all-premixing burner 11 burning and with the contact area of high-temperature flue gas, thereby can improve heat exchange efficiency.
Also be provided with the exhaust opening that is connected with discharge flue 13 in the left side of this main heat exchanger 8 or the bottom on right side, this exhaust opening communicates with discharge flue 13.As shown in Figure 2; Discharge flue 13 is the flat duct member; It is arranged on the left side of main heat exchanger 8, is made up of vertically first passage 35 and along continuous straight runs and the second channel 36 that is connected with first passage 35, is provided with circular row smoke pipe 37 in the end of second channel 36.Low-temperature flue gas is discharged the outside of gas-heating water heater from bottom to top again through second channel 36 and smoke exhaust pipe 37 through first passage 35.Because this discharge flue 13 is a flat tube configuration, can effectively reduce the appearance and size of device.In addition, because the flat tube parts are L-shaped, can make the structure of whole gas-heating water heater compact more.
When the heating demand, CPU receives the heat demand signal, the igniting of starting ignition program; After the normal combustion; Heating goes out water sensor 20 detected actual temperature value and the user's setting value compares analysis, and CPU is regulated the rotating speed of premix blower fan 19 according to the setting of program; Gas-air proportional controller 4 changes the output pressure that the back is regulated combustion gas automatically according to the pressure of air, guarantees that it is best completing combustion operating mode that combustion gas and air reach certain ratio.
Cold water gets into hydraulic pipeline and gets into main heat exchanger 8 along this hydraulic pipeline via water circulating pump 25, and CPU is according to the rotating speed of heat demand power change premix blower fan 19, and air and combustion gas are sent into all-premixing burner 11 after mixing fully via blender 10.Like Fig. 4 and shown in Figure 5, water at low temperature gets into main heat exchanger 8 via water inlet, in main heat exchanger, from bottom to top carries, and the high-temperature flue gas that burning produces is from top to bottom carried in main heat exchanger 8.Water at low temperature in course of conveying from bottom to top with the flue gas generation heat exchange of from top to bottom carrying, the heat exchange first time at first takes place in the bottom of main heat exchanger 8 with middle temperature flue gas in water at low temperature, thereby makes water at low temperature become middle warm water; Middle warm water is delivered to the top of main heat exchanger 8; Heat exchange for the second time takes place in top and high-temperature flue gas at main heat exchanger 8; Simultaneously, along with upwards carrying of middle warm water, it is more and more nearer apart from all-premixing burner 11; Middle warm water also carries out heat exchange with the heat that fuel gas buring produces, thereby warm water becomes the high-temperature water outflow in making.The middle temperature flue gas that takes place after the heat exchange becomes low-temperature flue gas, is got in the discharge flue 13 by exhaust opening, in discharge flue 13, from bottom to top discharges, and when running into when being lower than flue gas dew point surperficial, forms condensed water.
In above-mentioned secondary heat exchange process; Because the decline of flue-gas temperature; On water channel 31 lower inner surface, produce condensed water; This condensed water directly flow to hot well 7 along the outlet of main heat exchanger 8, directly discharges the gas-heating water heater through siphon pipe 6, after neutralization reaction, enters sewer pipe.Because condensed water is to have corrosive acidic liquid, can corrode not carrying out etch-proof metal material, influences the operate as normal and the service life of gas-heating water heater.Therefore, the part that discharge flue 13, condensed water siphon pipe 6 etc. contacts with condensed water all adopts corrosion resistant metal and nonmetallic materials to be made, for example, and the aluminum alloy material.
In addition; Main heat exchanger 8 all adopts the aluminum alloy material with plate type heat exchanger 23, because the thermal conductivity coefficient of aluminium is about stainless octuple, it can effectively reduce materials used under the equal heat exchange power; Can reduce device size; Simultaneously, because its ductility is stronger, can change the shape of main heat exchanger 8 and plate type heat exchanger 23 arbitrarily.
The above is merely the specific embodiment of the utility model, not in order to limit the utility model.All within the spirit and principle of the utility model, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection domain of the utility model.
Claims (6)
1. gas-heating water heater; Comprise all-premixing burner (11), main heat exchanger (8) and discharge flue parts (13); It is characterized in that; Said main heat exchanger (8) has smoke inlet that is arranged on top and the exhanst gas outlet that is arranged on the bottom, and said all-premixing burner (11) is installed in the said gas approach place of said main heat exchanger (8), and said discharge flue parts are communicated with the said exhanst gas outlet of said main heat exchanger (8).
2. gas-heating water heater according to claim 1 is characterized in that, discharge flue parts (13) are the flat duct member, and it is configured in the left side or the right side of said main heat exchanger (8).
3. gas-heating water heater according to claim 2; It is characterized in that; Said flat duct member comprises first duct member (35) of extension vertically and second duct member (36) that along continuous straight runs extends; One end of this second duct member (36) is connected with first duct member (35), and its other end is connecting the circular row smoke pipe (37) that vertically extends.
4. gas-heating water heater according to claim 1 is characterized in that, is formed with in the inboard of main heat exchanger (8) in order to the heat of realizing fuel gas buring and the convexity (34) that water carries out heat exchange.
5. gas-heating water heater according to claim 1 is characterized in that, on said gas-heating water heater, also is provided with gas-air proportional controller (4).
6. gas-heating water heater according to claim 1 is characterized in that, said main heat exchanger (8) and/or plate type heat exchanger (23) are the aluminum heat exchanger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203066479U CN202274609U (en) | 2011-08-22 | 2011-08-22 | Gas heating water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203066479U CN202274609U (en) | 2011-08-22 | 2011-08-22 | Gas heating water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202274609U true CN202274609U (en) | 2012-06-13 |
Family
ID=46194964
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203066479U Expired - Lifetime CN202274609U (en) | 2011-08-22 | 2011-08-22 | Gas heating water heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202274609U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104180510A (en) * | 2014-09-10 | 2014-12-03 | 浙江音诺伟森热能科技有限公司 | Condensing gas wall-hanging stove |
| CN106369817A (en) * | 2016-08-31 | 2017-02-01 | 山东浩泰天然气股份有限公司 | Gas furnace and use method |
| CN106766171A (en) * | 2016-12-31 | 2017-05-31 | 浙江音诺伟森热能科技有限公司 | A kind of heat exchanger assemblies in condensation-type gas-fired heating water heater |
| CN106766141A (en) * | 2016-12-31 | 2017-05-31 | 浙江音诺伟森热能科技有限公司 | A kind of condensation-type gas-fired heating water heater |
-
2011
- 2011-08-22 CN CN2011203066479U patent/CN202274609U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104180510A (en) * | 2014-09-10 | 2014-12-03 | 浙江音诺伟森热能科技有限公司 | Condensing gas wall-hanging stove |
| CN104180510B (en) * | 2014-09-10 | 2016-11-30 | 浙江音诺伟森热能科技有限公司 | A kind of condensing gas wall hanging stove |
| CN106369817A (en) * | 2016-08-31 | 2017-02-01 | 山东浩泰天然气股份有限公司 | Gas furnace and use method |
| CN106766171A (en) * | 2016-12-31 | 2017-05-31 | 浙江音诺伟森热能科技有限公司 | A kind of heat exchanger assemblies in condensation-type gas-fired heating water heater |
| CN106766141A (en) * | 2016-12-31 | 2017-05-31 | 浙江音诺伟森热能科技有限公司 | A kind of condensation-type gas-fired heating water heater |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120613 |