CN210050802U - Combustor and gas heater - Google Patents
Combustor and gas heater Download PDFInfo
- Publication number
- CN210050802U CN210050802U CN201920675272.XU CN201920675272U CN210050802U CN 210050802 U CN210050802 U CN 210050802U CN 201920675272 U CN201920675272 U CN 201920675272U CN 210050802 U CN210050802 U CN 210050802U
- Authority
- CN
- China
- Prior art keywords
- burner
- combustor
- fire
- combustion
- head
- Prior art date
- 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 - Fee Related
Links
- 238000002485 combustion reaction Methods 0.000 claims abstract description 54
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 24
- 239000007789 gas Substances 0.000 claims description 21
- 238000001514 detection method Methods 0.000 claims description 9
- 239000002737 fuel gas Substances 0.000 claims description 5
- 229910010293 ceramic material Inorganic materials 0.000 claims description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- 239000006229 carbon black Substances 0.000 claims description 3
- 229910002804 graphite Inorganic materials 0.000 claims description 3
- 239000010439 graphite Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000005496 tempering Methods 0.000 abstract description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 3
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
- 239000003546 flue gas Substances 0.000 description 3
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000523 sample Substances 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 125000005586 carbonic acid group Chemical group 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Regulation And Control Of Combustion (AREA)
Abstract
The utility model discloses a combustor and gas heater, combustor include the shell, from top to bottom sets up burning head and fire row respectively in the shell, burning head includes the body, set up a plurality of independent combustion chambers in the body, the combustion chamber is the array and arranges, adjacent the combustion chamber communicates; the gas water heater is sequentially provided with the fan, the heat exchanger and the combustor from top to bottom, wherein the combustor is the combustor. The combustion head top set up a plurality of fire holes, avoided being heated unevenly because of the heat exchanger large tracts of land that combustor flame is unstable and appear, also avoided combustor work tempering phenomenon to the production of comdenstion water has effectively been prevented.
Description
Technical Field
The utility model relates to a gas heater especially relates to a combustor and gas heater that gas heater used.
Background
The gas water heater can generate high-temperature flue gas (200 ℃) in the combustion process of gas, and the components of the high-temperature flue gas are mainly carbon dioxide and water vapor, and a small amount of other components (sulfur dioxide and nitrogen oxide) are also attached. The high-temperature flue gas exchanges heat with cold water flowing through the water pipe, so that condensed water is generated, and particularly, when the heating temperature of the heat exchanger is uneven, the probability of generating the condensed water is higher. The main component of the condensed water is carbonic acid (H)
2CO
3) The carbonic acid can corrode the heat exchanger and key parts, and the service life of the gas water heater is seriously influenced.
Chinese patent publication No. CN207279625U discloses a combustion head, which comprises a combustion surface and a head outer wall, wherein the head is externally connected with a burner main body, the combustion surface is connected with one end of the head outer wall, the other end of the combustion surface facing the head outer wall is recessed to form a U-shaped groove, the combustion surface is provided with fire hole groups, each fire hole group comprises at least one fire hole, and the fire holes of each fire hole group are in a city-surrounding U shape. However, because the fire holes are long-strip-shaped, the air-fuel gas has the problems of uneven heating temperature of the heat exchanger and easy generation of condensed water during combustion; meanwhile, the phenomenon of backfire when the burner works can cause incomplete combustion of gas, and combustion products cause great harm to the health of human bodies.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a combustor and gas heater, on the one hand to flame is unstable in solving current combustor working process, and heat exchanger is heated inhomogeneously, thereby leads to the technical problem of comdenstion water phenomenon to appear, and on the other hand appears the tempering phenomenon in solving current combustor work, causes the incomplete combustion of gas, and the combustion products can produce the technical problem of very big harm to human healthy.
In order to achieve the above object, the utility model discloses a specific technical scheme as follows of combustor and gas heater:
the utility model provides a combustor, includes the shell, from the top down sets up combustion head and fire row respectively in the shell, the combustion head includes the body, the inside a plurality of independent combustion chamber that set up of body, combustion chamber is the array and arranges, and is adjacent combustion chamber communicates.
Furthermore, each combustion chamber includes a fire hole, and the upper and lower surfaces of the body are run through at the two ends of the fire hole.
Furthermore, vent holes are formed in the side walls of the adjacent fire outlet holes.
Furthermore, vent seams parallel to the axis of the fire outlet hole are arranged on the side walls of the adjacent fire outlet holes.
Furthermore, the combustion head is made of ceramic materials.
Furthermore, an ignition needle is arranged on the outer wall of the shell, the end part of the ignition needle penetrates through the side wall of the shell and is arranged above the fire outlet, and the air-fuel gas is sprayed out and then is in contact with the ignition needle to be ignited.
Furthermore, a fire detection needle is arranged on the outer wall of the shell, and a temperature-resistant conducting layer is arranged on the upper surface of the combustion head.
Further, the temperature-resistant conducting layer is arranged on the whole upper surface of the body, or the temperature-resistant conducting layer is arranged at a detection position.
Further, the temperature-resistant conducting layer is a carbon black layer or a graphite layer.
A fan, a heat exchanger and a burner are sequentially arranged from top to bottom, and the burner is the burner.
The utility model discloses a combustor and gas heater have following advantage:
the combustor will arrange formula fire of going out and convert cellular type fire of going out into, will cut apart into many small regions to go on about the combustion state, every burning small region corresponds a heat exchanger small region that is heated, this heat exchanger large tracts of land that has just avoided appearing because of combustor flame unstability is heated inhomogeneously, has also avoided combustor work tempering phenomenon to the production of comdenstion water has effectively been prevented.
Secondly, the combustor communicate at each fire hole, guarantee the smooth circulation of gas at each fire hole.
Thirdly, the first upper surface of burning set up the temperature resistant conducting layer as examining one of them electrode of fire needle, strengthen the detection capability of combustion products greatly.
Finally, gas heater simple structure, effectively prevent the production of comdenstion water.
Drawings
Fig. 1 is a perspective view of the burner of the present invention;
fig. 2 is a cross-sectional view of the burner of the present invention;
FIG. 3 is a schematic structural view of the gas water heater of the present invention;
fig. 4 is a schematic diagram of the gas water heater of the present invention during operation.
The reference numbers in the figures illustrate: 1. a burner; 11. a housing; 12. a burner head; 121. a fire outlet; 122. a vent hole; 13. fire grate; 2. a heat exchanger; 3. a fan; 4. an ignition needle; 5. fire detecting needles; 6. a flame.
Detailed Description
In order to better understand the purpose, structure and function of the present invention, the following description will be made in detail with reference to the accompanying drawings.
As shown in fig. 1 to 2, the burner of the present invention comprises a housing 11, the housing 11 is a slot with an upward opening, a burner head 12 and a fire grate 13 are respectively arranged in the slot of the housing 11, the fire grate 13 is arranged at the bottom of the slot of the housing 11, and the burner head 12 is arranged in the housing 11 above the fire grate 13.
The combustion head 12 is made of high temperature resistant materials, such as high temperature resistant ceramic materials, the combustion head 12 comprises a cuboid body, a plurality of independent combustion chambers are arranged in the body, and the combustion chambers are distributed in an array. Premixed air-fuel gas is introduced into an air inlet of the fire grate 13, introduced into the combustion chamber through an outlet of the fire grate 13, and combusted after being ignited.
The combustion chamber includes a fire hole 121, and both ends of the fire hole 121 respectively penetrate through the upper and lower surfaces of the body. The upper surface of the body is the side where the flame 6 is formed, and the lower surface of the body is the side in contact with the fire row 13.
Preferably, the fire holes 121 are uniformly distributed in a rectangular array. The row-type fire outlet is converted into the hole-type fire outlet, the combustion state of the combustor 1 is divided into a plurality of small areas to be conducted, each small combustion area corresponds to one heat exchanger 2 heated small area, the phenomenon that the heat exchanger 2 is heated in a large area and is not uniform due to the fact that flames 6 of the combustor 1 are unstable is avoided, the phenomenon that the combustor 1 works and is tempered is avoided, and therefore the generation of condensed water is effectively prevented.
Further, in order to make the combustion head 12 more uniform when the gas is introduced, and the adjacent combustion chambers communicate with each other, as shown in fig. 1 to 2, a vent hole 122 is provided on a side wall of the adjacent fire outlet hole 121, and the vent hole 122 enables the adjacent fire outlet holes 121 to communicate with each other. In addition, the side walls of the adjacent fire holes 121 are provided with vent slits parallel to the axial line of the fire holes 121, so that the adjacent fire holes 121 can be communicated through the vent slits.
The shape of the flames 6 can be adjusted by setting the diameter of the fire outlet holes 121 or the interval between the fire outlet holes 121, so that the phenomenon that the flame is connected to the adjacent flames 6 and the flames float up is prevented, and the flames are stably and continuously maintained.
The outer wall of the combustion head 12 is fixed on the inner wall of the shell 11 through a welding process; or the outer wall of the combustion head 12 is fixed on the inner wall of the shell 11 in a plugging mode.
An ignition needle 4 is arranged on the outer wall of one side of the shell 11, the end part of the ignition needle 4 penetrates through the side wall of the shell and is arranged above the fire outlet hole 121, and the air-fuel gas is sprayed out and then is in contact with the ignition needle 4 to be ignited.
In order to ensure the normal use and safety of the water heater, the flame 6 generated by the water heater needs to be detected. In the prior art, the flame 6 ion current detection technology is usually adopted for detection, and two electrodes are adopted for detecting an ionization signal in the flame 6, wherein one electrode can adopt a probe, and the other electrode can be a burner 1 body. Because traditional combustor 1 is metal combustor 1, consequently can regard this combustor 1 as the electrode, however, in this embodiment, combustion head 12 adopts high temperature ceramic material to make, does not have the electric conductivity, consequently, through set up the temperature resistant conducting layer at the upper surface of combustion head 12, this temperature resistant conducting layer is as an electrode, avoids setting up extra probe.
As shown in fig. 1, an ignition pin 5 is provided on the outer wall of the case 11 on the side of the ignition pin 4, and a heat-resistant conductive layer (not shown) is provided on the upper surface of the combustion head 12. The temperature-resistant conductive layer is made of a temperature-resistant conductive material and is not easy to peel off at high temperature. It will be appreciated that the upper surface of the combustion head 12 is provided with a temperature-resistant conductive layer, either over the entire upper surface or in a (local) location to be detected. Preferably, the temperature-resistant conductive layer is a carbon black layer or a graphite layer.
As shown in fig. 3 to 4, a gas water heater is provided with a fan 3, a heat exchanger 2 and a burner 1 in this order from top to bottom, and the burner 1 is the burner 1 with good combustion uniformity.
The combustion head 12 converts the row-type fire outlet into the hole-type fire outlet, namely, the combustion state is divided into a plurality of small areas to be carried out, each small combustion area corresponds to one small heat exchanger 2 heated area, so that the phenomenon that the heat exchanger 2 is heated unevenly in a large area due to the unstable flame 6 of the combustor 1 is avoided, the phenomenon of backfire when the combustor 1 works is also avoided, and the generation of condensed water is effectively prevented. The combustion head 12 is communicated with each fire outlet 121, so that smooth circulation of gas in each fire outlet 121 is ensured. The combustor 1 is provided with a temperature-resistant conductive layer on the upper surface of a combustion head 12 to serve as one electrode of a fire detection needle 5, so that the detection capability of combustion products is greatly enhanced. The gas water heater has a simple structure, and effectively prevents the generation of condensed water.
It is to be understood that the present invention has been described with reference to certain embodiments, and that various changes or equivalents may be substituted for elements thereof by those skilled in the art without departing from the spirit and scope of the invention. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from the essential scope thereof. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of the present application are intended to be covered by the present invention.
Claims (10)
1. The utility model provides a combustor, its characterized in that includes shell (11), from the top down sets up combustion head (12) and fire row (13) respectively in shell (11), combustion head (12) include the body, the body is inside to set up a plurality of independent combustion chamber, combustion chamber is the array and arranges, and is adjacent combustion chamber communicates.
2. The burner of claim 1, wherein each combustion chamber comprises a fire hole (121), and both ends of the fire hole (121) penetrate through the upper surface and the lower surface of the body.
3. A burner according to claim 2, wherein a vent hole (122) is provided on a side wall of the adjacent fire hole (121).
4. The burner as claimed in claim 2, wherein a vent slit is provided on a side wall of the adjacent fire hole (121) in parallel with an axis of the fire hole (121).
5. Burner according to claim 1, characterized in that said burner head (12) is made of ceramic material.
6. The burner according to claim 1, characterized in that an ignition needle (4) is arranged on the outer wall of the shell (11), the end part of the ignition needle (4) penetrates through the side wall of the shell (11) and is arranged above the fire outlet hole (121), and the air-fuel gas is jetted and then contacts with the ignition needle (4) to be ignited.
7. The burner according to claim 1, characterized in that the outer wall of the housing (11) is provided with a fire detection needle (5), and the upper surface of the burner head (12) is provided with a temperature-resistant conductive layer.
8. The burner of claim 7, wherein the temperature-resistant conductive layer is provided on the entire upper surface of the body, or the temperature-resistant conductive layer is provided at a detection position.
9. The burner of claim 7, wherein the temperature-resistant conductive layer is a carbon black layer or a graphite layer.
10. A gas water heater, which is provided with a fan (3), a heat exchanger (2) and a burner (1) from top to bottom in sequence, and is characterized in that the burner (1) is the burner as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920675272.XU CN210050802U (en) | 2019-05-10 | 2019-05-10 | Combustor and gas heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920675272.XU CN210050802U (en) | 2019-05-10 | 2019-05-10 | Combustor and gas heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210050802U true CN210050802U (en) | 2020-02-11 |
Family
ID=69395240
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920675272.XU Expired - Fee Related CN210050802U (en) | 2019-05-10 | 2019-05-10 | Combustor and gas heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210050802U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111550790A (en) * | 2020-06-05 | 2020-08-18 | 珠海格力电器股份有限公司 | Combustor and gas heater |
-
2019
- 2019-05-10 CN CN201920675272.XU patent/CN210050802U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111550790A (en) * | 2020-06-05 | 2020-08-18 | 珠海格力电器股份有限公司 | Combustor and gas heater |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200211 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |