CN221098606U - Gas heater fire row sheet with uniform outflow speed - Google Patents
Gas heater fire row sheet with uniform outflow speed Download PDFInfo
- Publication number
- CN221098606U CN221098606U CN202322763432.5U CN202322763432U CN221098606U CN 221098606 U CN221098606 U CN 221098606U CN 202322763432 U CN202322763432 U CN 202322763432U CN 221098606 U CN221098606 U CN 221098606U
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- CN
- China
- Prior art keywords
- cavity
- outflow
- fire
- hole
- gas
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Links
- 238000002347 injection Methods 0.000 claims abstract description 20
- 239000007924 injection Substances 0.000 claims abstract description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 20
- 238000010992 reflux Methods 0.000 claims abstract description 8
- 239000007921 spray Substances 0.000 claims abstract description 5
- 230000007423 decrease Effects 0.000 claims description 2
- 238000002485 combustion reaction Methods 0.000 abstract description 8
- 239000007789 gas Substances 0.000 description 24
- 239000002737 fuel gas Substances 0.000 description 5
- 238000007599 discharging Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- 239000003546 flue gas Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
Landscapes
- Gas Burners (AREA)
Abstract
The utility model relates to a fire grate plate of a gas water heater with uniform outflow speed, which comprises a gas spray hole, an injection port, an injection cavity, a reflux cavity, an outflow cavity, a resistance column, a side fire hole and a top fire hole; the gas jet hole is opposite to the injection port, and the injection cavity, the reflux cavity and the outflow cavity are sequentially communicated; the resistance columns are discretely arranged at the connection positions of the backflow cavity and the outflow cavity; the front surface of the outflow cavity is provided with a top fire hole, and the two side surfaces are provided with side fire holes; the section of the resistance column is triangular, and the discrete arrangement intervals are sequentially reduced from left to right; the fire hole is rectangular, the length is consistent, and the width is sequentially reduced from left to right. According to the utility model, by changing the width of the top fire hole and additionally arranging the resistance column, the uniform outflow speed of the top fire hole of the fire row sheet can be realized, and the consistency of the flame height in the combustion chamber of the gas water heater is improved.
Description
Technical Field
The utility model relates to the field of gas water heaters, in particular to a fire discharging sheet of a gas water heater with uniform outflow speed.
Background
The gas water heater is a gas appliance which takes gas as fuel, and generates high-temperature flue gas by combusting mixed air and gas in a combustion chamber through a burner, and exchanges heat with cold water in a heat exchanger to achieve the purpose of preparing hot water. The fire grate is used as an important component of the burner of the gas water heater, and has important effects on the combustion efficiency and combustion stability of the water heater.
The existing burner fire exhaust sheet airflow inlet is arranged on one side, the internal flow channel of the fire exhaust sheet is bent, the backflow resistance is high, so that the internal pressure distribution of the fire exhaust sheet is uneven, the difference of the fire hole outflow speeds is large, the gas flow speed on one side is high, the gas flow speed on the other side is low, the flame height in the combustion chamber is uneven, the subsequent heat transfer effect is affected, and finally the problems of low heat efficiency, poor flame stability, excessive pollutant emission of flue gas and the like of the gas water heater are caused.
Disclosure of utility model
In order to solve the problems in the prior art, the utility model provides the fire discharging sheet of the gas water heater with uniform outflow speed, and the uniformity of the air flow at the outlet of the fire discharging sheet is improved by the structural improvement of the fire discharging sheet, so that the consistency of the flame height of a combustion chamber is maintained to the maximum extent.
The utility model is realized by the following technical scheme:
The fire grate plate of the gas water heater with uniform outflow speed is characterized by comprising a gas spray hole, an injection port, an injection cavity, a reflux cavity, an outflow cavity, a resistance column, a side fire hole and a top fire hole; the gas jet hole is opposite to the injection port, and the injection cavity, the reflux cavity and the outflow cavity are sequentially communicated; the resistance columns are discretely arranged at the connection positions of the backflow cavity and the outflow cavity; the front surface of the outflow cavity is provided with top fire holes, and the two side surfaces are provided with side fire holes.
The section of the resistance column is triangular, and the discrete arrangement intervals are sequentially reduced from left to right.
The fire hole is rectangular, the length is consistent, and the width is sequentially reduced from left to right.
The utility model has the advantages that: the triangular resistance columns are arranged in the fire row plates and are matched with the top fire holes with different widths, so that the outflow speed of the fire holes of the fire row plates is more uniform, the consistency of the flame height in the combustion chamber of the gas water heater is ensured, and the flame stability and the heat efficiency of the gas water heater are improved.
Drawings
FIG. 1 is a schematic view of a three-dimensional structure of a fire grate plate of a gas water heater with uniform outflow speed according to the present utility model;
FIG. 2 is a schematic cross-sectional view of a fire grate segment of the gas water heater of FIG. 1 having a uniform outflow rate;
FIG. 3 is a schematic view of the arrangement of fire holes in the top of the fire grate plate according to the present utility model;
In the figure: the gas burner comprises a gas jet orifice 1, an injection port 2, an injection cavity 3, a backflow cavity 4, an outflow cavity 5, a resistance column 6, a side fire hole 7 and a top fire hole 8.
Detailed Description
The utility model is described in detail below with reference to the attached drawing figures:
As shown in fig. 1-2, a fire grate plate of a gas water heater with uniform outflow speed is characterized by comprising a gas spray hole 1, an injection port 2, an injection cavity 3, a reflux cavity 4, an outflow cavity 5, a resistance column 6, a side fire hole 7 and a fire ejection hole 8; the gas jet orifice 1 is opposite to the injection port 2, and the injection cavity 3, the reflux cavity 4 and the outflow cavity 5 are sequentially communicated; the resistance columns 6 are discretely arranged at the connection positions of the backflow cavity 4 and the outflow cavity 5; the front surface of the outflow cavity 5 is provided with a top fire hole 8, and the two side surfaces are provided with side fire holes 7.
As shown in fig. 2, the cross section of the resistance column 6 is triangular, and the discrete arrangement intervals are sequentially reduced from left to right.
As shown in fig. 3, the fire hole 8 is rectangular, has uniform length and gradually decreases in width from left to right.
The fuel gas is sprayed from the fuel gas spray hole 1, enters the injection cavity 3 through the injection port 2, and enters the outflow cavity 5 after passing through the backflow cavity 4, and the fuel gas has uneven speed and pressure when entering the outflow cavity 5, so that the left side pressure has low speed and the right side pressure has high speed; therefore, the distance between the resistance columns 6 arranged in front of the outflow cavity 5 is reduced from left to right, so that the pressure uniformity of the fuel gas after entering the outflow cavity 5 through the resistance columns 6 is greatly improved, the effect of uniform outflow speed is achieved after the fuel gas passes through the top fire holes 8 with different widths, and the side fire holes 7 are matched, so that the flame height on the upper part of the flame row sheet is more uniform, the flame is more stable, and the combustion effect is better.
In the description of the present embodiment, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.
Unless specifically stated or limited otherwise, the terms "mounted," "connected," "secured," "coupled," and the like should be construed broadly, as they may be fixed, removable, or integral, for example; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. Those of ordinary skill in the art will understand the specific meaning of the terms described above in the present utility model as the case may be.
While the preferred embodiments of the present utility model have been illustrated and described, the present utility model is not limited to the embodiments, and various equivalent modifications and substitutions can be made by those skilled in the art without departing from the spirit of the present utility model, and these equivalent modifications and substitutions are intended to be included in the scope of the present utility model as defined in the appended claims.
Claims (3)
1. The fire grate plate of the gas water heater with uniform outflow speed is characterized by comprising a gas spray hole, an injection port, an injection cavity, a reflux cavity, an outflow cavity, a resistance column, a side fire hole and a top fire hole; the gas jet hole is opposite to the injection port, and the injection cavity, the reflux cavity and the outflow cavity are sequentially communicated; the resistance columns are discretely arranged at the connection positions of the backflow cavity and the outflow cavity; the front surface of the outflow cavity is provided with a top fire hole, and the two sides of the outflow cavity are provided with side fire holes.
2. The fire grate plate for the gas water heater with uniform outflow speed according to claim 1, wherein the sections of the resistance columns are triangular and are arranged in a discrete manner, and the intervals are sequentially reduced from left to right.
3. The fire grate plate for the gas water heater with uniform outflow speed according to claim 1, wherein the fire jacking holes are rectangular, have consistent lengths and sequentially decrease in width from left to right.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322763432.5U CN221098606U (en) | 2023-10-16 | 2023-10-16 | Gas heater fire row sheet with uniform outflow speed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322763432.5U CN221098606U (en) | 2023-10-16 | 2023-10-16 | Gas heater fire row sheet with uniform outflow speed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221098606U true CN221098606U (en) | 2024-06-07 |
Family
ID=91310836
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322763432.5U Active CN221098606U (en) | 2023-10-16 | 2023-10-16 | Gas heater fire row sheet with uniform outflow speed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221098606U (en) |
-
2023
- 2023-10-16 CN CN202322763432.5U patent/CN221098606U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant |