CN212566321U - Combustor and gas water heater using same - Google Patents
Combustor and gas water heater using same Download PDFInfo
- Publication number
- CN212566321U CN212566321U CN202020594469.3U CN202020594469U CN212566321U CN 212566321 U CN212566321 U CN 212566321U CN 202020594469 U CN202020594469 U CN 202020594469U CN 212566321 U CN212566321 U CN 212566321U
- Authority
- CN
- China
- Prior art keywords
- porous structure
- burner
- gas
- combustion
- water heater
- 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.)
- Active
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 19
- 238000002485 combustion reaction Methods 0.000 claims abstract description 37
- 239000011148 porous material Substances 0.000 claims abstract description 18
- 229920000742 Cotton Polymers 0.000 claims description 4
- 239000000956 alloy Substances 0.000 claims description 4
- 229910045601 alloy Inorganic materials 0.000 claims description 4
- 239000000919 ceramic Substances 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 3
- 239000007789 gas Substances 0.000 abstract description 43
- 238000005496 tempering Methods 0.000 abstract description 5
- 239000002912 waste gas Substances 0.000 abstract description 4
- 239000002737 fuel gas Substances 0.000 abstract description 2
- 238000010438 heat treatment Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Landscapes
- Gas Burners (AREA)
Abstract
The utility model discloses a burner and a gas water heater using the same, wherein the burner comprises a combustion device, a gas channel and a premixing chamber, and the combustion device is communicated with the premixing chamber through the gas channel; the combustion device comprises a fire grate and a porous structure, and the porous structure is fixedly arranged above the fire grate; the porous structure comprises an upper porous structure and a lower porous structure, and the pore diameter of the upper porous structure is larger than that of the lower porous structure. According to the structure, the porous structure is additionally arranged at the outlet part above the fire row of the burner of the gas water heater, so that the combustion efficiency is improved, the flame uniformity is improved, the emission of waste gas is further reduced, and the pollution can be reduced and the environment is protected; the high temperature generated after combustion preheats the mixed gas in the porous structure, thereby improving the initial temperature of the entering fuel gas and air, increasing the enthalpy value and simultaneously preventing tempering.
Description
Technical Field
The utility model belongs to the technical field of the combustor, especially, relate to a combustor and use its gas heater.
Background
The gas water heater has become one of indispensable kitchen household electrical appliances in modern families, has the advantage of small volume, and the instant heating of opening promptly, but the water heater that uses at present directly burns above the combustor through the fire grate for the flame height that produces, the burning is inhomogeneous, and the noise is big, and the insufficient combustion leads to burning to produce a large amount of polluted gas, still has the risk of tempering. For gas water heaters, the goals of improving combustion efficiency and reducing the emission of pollution gas are constantly improved for a long time.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a combustor can improve flame homogeneity, improves combustion efficiency, reduces the emission of combustor waste gas and the combustion noise of combustor, prevents the tempering.
Another object of the utility model is to provide a gas heater can use the combustor, improved the efficiency of water heater burning heating, reduced exhaust emission and combustion noise to customer experience degree has been improved.
The above object can be achieved by the following technical scheme:
a combustor comprises a combustion device, a gas channel and a premixing chamber, wherein the combustion device is communicated with the premixing chamber through the gas channel;
the combustion device comprises a fire grate and a porous structure, and the porous structure is fixedly arranged above the fire grate;
the porous structure comprises an upper porous structure and a lower porous structure, and the pore diameter of the upper porous structure is larger than that of the lower porous structure.
Further, the upper porous structure and the lower porous structure are of an integral structure.
Further, the upper porous structure is fixedly arranged above the lower porous structure.
Further, the pore diameter of the upper porous structure is 3mm-6 mm.
Further, the pore diameter of the lower porous structure is 0.5mm-1.5 mm.
Further, the porosity of the upper porous structure is 40-60%.
Further, the porosity of the lower porous structure is 25-40%.
Further, the porous structure is formed by uniformly arranging through holes on the ceramic plate and the high-temperature-resistant alloy.
Further, the porous structure is formed by uniformly filling a metal wire mesh and high-temperature combustion cotton.
The utility model provides a gas heater, its includes gas heater body reaches the combustor, the combustor is established be used for burning mixed air and gas in the combustion chamber of body.
According to the technical scheme provided by the embodiment of the application, the porous structure is additionally arranged at the outlet part above the fire row of the burner of the gas water heater, so that the combustion efficiency is improved, the flame uniformity is improved, the emission of waste gas is further reduced, and the pollution can be reduced and the environment is protected; the pore diameter of the upper porous structure is larger than that of the lower porous structure, so that the high temperature generated after the upper porous structure is combusted preheats the lower porous structure, the initial temperature of the entering fuel gas and air is improved, the enthalpy value is increased, and the tempering is prevented.
Drawings
The accompanying drawings, which are described herein, serve to provide a further understanding of the invention and constitute a part of this specification, and the exemplary embodiments and descriptions thereof are provided for explaining the invention without unduly limiting it. In the drawings:
fig. 1 is a schematic structural diagram of a burner provided in embodiment 1 of the present invention;
fig. 2 is an exploded view of a burner according to embodiment 1 of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1
The embodiment 1 of the present invention provides a burner, as shown in fig. 1 and 2, which includes a combustion device 1, a gas channel 2, and a premixing chamber 3, wherein the combustion device 1 is communicated with the premixing chamber 3 through the gas channel 2; the combustion device 1 comprises a fire grate 12 and a porous structure 11, wherein the porous structure 11 is fixedly arranged above the fire grate 12; the bottom of the gas channel 2 is expanded to form the premixing chamber 3 for mixing gas and air.
The traditional gas water heater burns to produce flame through the fire row and burns above the combustor, and its characteristics are high flame and big burning noise.
The porous structure 11 is additionally arranged in the embodiment, so that flame can be uniformly combusted; the fire grate 12 and the porous structure 11 are fixedly connected through fixing parts such as sheet metal parts, and the fixing connection mode can also include but is not limited to buckling, grooves, welding and the like, so that the stability of the combustor in the use process is ensured.
The porous structure 11 comprises an upper porous structure 111 and a lower porous structure 112, the upper porous structure 111 is tightly connected and attached to the lower porous structure 112, the upper porous structure and the lower porous structure can be of an integral structure or can be fixedly connected through a fixing part, and the pore diameter of the upper porous structure 111 is larger than that of the lower porous structure 112;
the arrangement of the pores of the porous structure 11 in this embodiment is uniformly arranged in the porous structure 11 in straight lines or cross lines.
According to the combustion theory, the smaller the spatial channel, the higher the resistance, the slower the combustion speed and the insufficient combustion, the larger the upper porous structure 111 is for the better combustion of the flame, and the smaller the pore size of the lower porous structure 112 is for the better tempering of the house; the high temperature that upper porous structure 111 produced when burning preheats the mixed gas that gets into through the heat exchange with lower porous structure 112 of zonulae occludens, has improved the initial temperature before the mixed gas burning to this has increased the enthalpy value, and speed is more rapid, more abundant when making the mixed gas burning, and the flame height is lower.
In the present embodiment, the pore size of the upper porous structure 111 ranges from 3mm to 6mm, and the pore size of the lower porous structure 112 ranges from 0.5mm to 1.5 mm;
in this way, while ensuring the difference in pore diameter between the upper porous structure 111 and the lower porous structure 112 enables the effect of preventing backfire to be achieved, sufficient combustion of flame on the upper porous structure 111 is ensured.
In the present embodiment, the porous structure 11 is formed by uniformly providing through holes on a ceramic plate;
of course, the porous materials of the present application include, but are not limited to, porous ceramic plates.
Wherein the porosity of the upper porous structure 111 ranges from 40% to 60%, and the porosity of the lower porous structure 112 ranges from 25% to 40%;
in the embodiment, the large aperture of the upper porous structure provides sufficient combustion space for the mixed gas, and about 40-60% of porosity can avoid uneven flame distribution caused by uneven combustion of the mixed gas; the porosity of the lower porous structure is set to be about 25-40%, the smaller the porosity is, the higher the density of the pores is, and the smaller the pore diameter is matched to ensure that the mixed gas is fully preheated in the lower porous structure, thereby improving the enthalpy value and increasing the combustion efficiency.
In another embodiment, a burner is also provided, which is different from embodiment 1 in that the upper porous structure 111 has a porosity of 50% and the lower porous structure 112 has a porosity of 35%. Porous medium in this embodiment is the high temperature combustion cotton, porous medium still can include refractory materials such as wire mesh, high temperature resistant alloy, and wherein wire mesh, the cotton even packing of high temperature combustion form porous structure (11), and the last through-hole that evenly sets up of high temperature resistant alloy forms porous structure (11), the utility model discloses a porous medium's material has high temperature resistance advantage, and the high temperature that is not produced by flame influences the performance, can conduct heat simultaneously, realizes the heat exchange between upper porous structure and the lower floor's porous structure, and all the other structures are the same with embodiment 1.
Example 2
The embodiment 2 of the utility model provides a gas water heater, it includes gas water heater body and embodiment 1 the combustor, the combustor is established be used for burning mixed air and gas in the combustion chamber of body.
In this way, the gas water heater improves the combustion efficiency through the additional porous structure 11, improves the uniformity of flame and further reduces the emission of waste gas, and simultaneously prevents the gas water heater from backfiring during use due to the difference of pore diameters between the upper porous structure 111 and the lower porous structure 112, thereby causing potential safety hazards.
The use process comprises the following steps:
in the application, the gas water heater is started, gas and air are mixed for the first time in the premixing chamber 3, the primary mixed gas enters the gas channel 2 and is mixed for the second time while being transmitted, the mixed gas is ignited at the fire grate 12 of the burner, the gas is combusted in the upper porous structure 111 to form flame, and meanwhile, heat generated by the flame is conducted from the upper porous structure 111 to the lower porous structure 112 through heat exchange, so that backfire is effectively prevented; the flame generated by the porous structure 11 is uniform in combustion and low in flame height, and the mixed gas of gas and air is quickly and fully combusted, so that the aim of heating cold water by the gas water heater is fulfilled.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modification, equivalent replacement or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A burner, characterized by: the device comprises a combustion device (1), a gas channel (2) and a premixing chamber (3), wherein the combustion device (1) is communicated with the premixing chamber (3) through the gas channel (2);
the combustion device (1) comprises a fire grate (12) and a porous structure (11), wherein the porous structure (11) is fixedly arranged above the fire grate (12);
the porous structure (11) comprises an upper-layer porous structure (111) and a lower-layer porous structure (112), and the pore diameter of the upper-layer porous structure (111) is larger than that of the lower-layer porous structure (112).
2. The burner of claim 1, wherein: the upper porous structure (111) and the lower porous structure (112) are of an integral structure.
3. The burner of claim 1, wherein: the upper porous structure (111) is fixedly arranged above the lower porous structure (112).
4. A burner according to claim 2 or 3, wherein: the pore diameter of the upper porous structure (111) is 3mm-6 mm.
5. The burner of claim 4, wherein: the pore diameter of the lower porous structure (112) is 0.5mm-1.5 mm.
6. The burner of claim 5, wherein: the porosity of the upper porous structure (111) is 40-60%.
7. The burner of claim 6, wherein: the porosity of the lower porous structure (112) is 25-40%.
8. The burner of claim 7, wherein: the porous structure (11) is formed by uniformly arranging through holes on a ceramic plate and a high-temperature-resistant alloy.
9. The burner of claim 7, wherein: the porous structure (11) is formed by uniformly filling a metal wire mesh and high-temperature combustion cotton.
10. A gas water heater comprising a gas water heater body and the burner of any one of claims 1-9, said burner being disposed within a combustion chamber of said body for combusting mixed air and gas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020594469.3U CN212566321U (en) | 2020-04-20 | 2020-04-20 | Combustor and gas water heater using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020594469.3U CN212566321U (en) | 2020-04-20 | 2020-04-20 | Combustor and gas water heater using same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212566321U true CN212566321U (en) | 2021-02-19 |
Family
ID=74610736
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020594469.3U Active CN212566321U (en) | 2020-04-20 | 2020-04-20 | Combustor and gas water heater using same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212566321U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112856420A (en) * | 2021-03-25 | 2021-05-28 | 芜湖美的厨卫电器制造有限公司 | Fire grate, burner and water heating equipment |
| CN117164376A (en) * | 2023-08-31 | 2023-12-05 | 辽宁卓异新材料有限公司 | Preparation method of silicon carbide ceramic material and silicon carbide porous ceramic burner |
-
2020
- 2020-04-20 CN CN202020594469.3U patent/CN212566321U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112856420A (en) * | 2021-03-25 | 2021-05-28 | 芜湖美的厨卫电器制造有限公司 | Fire grate, burner and water heating equipment |
| CN117164376A (en) * | 2023-08-31 | 2023-12-05 | 辽宁卓异新材料有限公司 | Preparation method of silicon carbide ceramic material and silicon carbide porous ceramic burner |
| CN117164376B (en) * | 2023-08-31 | 2024-04-19 | 辽宁卓异新材料有限公司 | Preparation method of silicon carbide ceramic material and silicon carbide porous ceramic burner |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN212566321U (en) | Combustor and gas water heater using same | |
| CN108180475A (en) | A kind of premixed gas porous media combustor axially and radially surely fired | |
| CN207716414U (en) | A kind of premixed gas porous media combustor axially and radially surely fired | |
| CN211261292U (en) | Novel full premix heat exchanger | |
| CN112066369B (en) | Combustor, hanging stove and water heater | |
| CN214275708U (en) | Anti-backfire burner | |
| CN108954311A (en) | A kind of variable orifice diameter porous ceramic plate | |
| JP2937807B2 (en) | Premixed high load, low pollution household gas burner | |
| CN202581313U (en) | Low-pressure mashgas combustor | |
| US3266480A (en) | Warm air furnace | |
| JP3499174B2 (en) | Low-pollution, high-efficiency, rich-lean combustion gas burner for households using a porous plate organized by porous metal fiber weaving | |
| CN210241970U (en) | Radiation type liquid fuel water heater | |
| CN113357630B (en) | Furnace plate for burner | |
| CN219557027U (en) | Oven and oven range | |
| CN115789639A (en) | Vertical burning machine is with ultralow nitrogen burning head | |
| CN216114022U (en) | Pre-mixing thick-thin burner of pre-mixing fan | |
| CN220229171U (en) | Heat exchange structure of porous medium burner | |
| CN108709200B (en) | Natural gas stove | |
| CN220017706U (en) | Straight-through type water-cooling low-nitrogen combustion fire tube hot water boiler | |
| CN211925745U (en) | Full premix combustor, full premix heat exchanger and hanging stove | |
| CN113357629B (en) | Burner | |
| CN217978795U (en) | Fire lid, combustor and gas-cooker | |
| CN115751308A (en) | Fire hole combined unit structure and full premix burner | |
| CN210014359U (en) | A kind of burner | |
| CN215259821U (en) | Cantonese energy-saving furnace end |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |