CN219735302U - Inner cylinder and outer cylinder connecting device of pulverized coal burner - Google Patents
Inner cylinder and outer cylinder connecting device of pulverized coal burner Download PDFInfo
- Publication number
- CN219735302U CN219735302U CN202320822433.XU CN202320822433U CN219735302U CN 219735302 U CN219735302 U CN 219735302U CN 202320822433 U CN202320822433 U CN 202320822433U CN 219735302 U CN219735302 U CN 219735302U
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- Prior art keywords
- outer cylinder
- cylinder
- inner cylinder
- pulverized coal
- wind shielding
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- 239000003245 coal Substances 0.000 title claims abstract description 32
- 210000004907 gland Anatomy 0.000 claims description 6
- 238000002485 combustion reaction Methods 0.000 abstract description 18
- 238000003466 welding Methods 0.000 abstract description 16
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 5
- 239000003546 flue gas Substances 0.000 description 5
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 239000000446 fuel Substances 0.000 description 3
- 230000004075 alteration Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000006477 desulfuration reaction Methods 0.000 description 1
- 230000023556 desulfurization Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Abstract
The utility model discloses an inner and outer cylinder connecting device of a pulverized coal burner, which comprises an inner cylinder and an outer cylinder; the inner side of the outer cylinder is annularly provided with a plurality of groups of inner and outer cylinder connecting plates, the folded edge of the inner and outer cylinder connecting plates is provided with connecting holes, and the inner and outer cylinder connecting plates are L-shaped; the left side of the inner cylinder penetrates into the inner side of the outer cylinder, and a plurality of groups of inner cylinder connecting holes are annularly formed in the outer circular surface of the left side of the inner cylinder; the connecting holes are connected with the inner cylinder connecting holes through fasteners. The utility model adopts the connecting plate of the inner cylinder and the outer cylinder to connect the inner cylinder and the outer cylinder, so that the technical problems of deformation and damage of the welding part caused by overhigh temperature of the welding part between the inner cylinder and the outer cylinder of the burner due to overhigh temperature of the combustion chamber of the burner and overhigh temperature of the surface of the inner cylinder of the burner in the prior art are effectively solved, the connecting strength between the inner cylinder and the outer cylinder is further improved, and the deformation and damage of the welding part caused by high temperature are prevented.
Description
Technical Field
The utility model relates to the technical field of burners, in particular to an inner cylinder and outer cylinder connecting device of a pulverized coal burner.
Background
The pulverized coal burner is combustion equipment using pulverized coal as fuel, and is widely applied to industries such as industrial thermal power generation, metallurgy, chemical industry, building materials and the like. The pulverized coal burner has the advantages of high fuel economy, complete combustion, simple operation, convenient maintenance, less pollution and the like.
The structure of the pulverized coal burner mainly comprises a combustion chamber, a pulverized coal combustion system, a flue gas emission system and a control system. The combustion chamber consists of a fuel container, a combustion chamber, a chimney, a flue and the like. The pulverized coal combustion system mainly comprises a pulverized coal conveying system, a pulverized coal hearth, a pulverized coal furnace flame monitoring system and the like. The flue gas emission system mainly comprises a flue gas emission pipe, flue gas desulfurization equipment, flue gas denitration equipment and the like. The control system mainly comprises a controller, a thermometer, a hygrometer, a flame detector, a smoke meter and the like.
The pulverized coal burner is very simple to operate, and can obtain heat energy only by conveying pulverized coal into the hearth from the coal hopper and then heating the pulverized coal by flame in the hearth to burn the pulverized coal. The temperature and flame state in the hearth can be detected and controlled by detecting instruments such as a controller, a thermometer, a hygrometer, a flame detector, a smoke meter and the like so as to ensure the combustion effect.
However, in the process of implementing the technical scheme of the embodiment of the utility model, the inventor discovers that the above technology has at least the following technical problems:
the inner cylinder and the outer cylinder in the prior art are connected in a welding mode, and as the temperature of the combustion chamber of the burner is too high and the surface temperature of the inner cylinder of the burner is too high, the temperature of the welding part between the inner cylinder and the outer cylinder of the burner is too high, so that the welding part is deformed and damaged, and the operation quality of the burner is affected.
Disclosure of Invention
According to the embodiment of the utility model, by providing the inner and outer cylinder connecting device of the pulverized coal burner, the technical problems of deformation and damage of a welding part between the inner cylinder and the outer cylinder of the burner caused by overhigh temperature of a combustion chamber of the burner and overhigh temperature of the surface of the inner cylinder of the burner in the prior art are solved, the inner cylinder and the outer cylinder are connected through the inner and outer cylinder connecting plate, the connecting strength between the inner cylinder and the outer cylinder is improved, and the deformation and damage of the welding part caused by high temperature are prevented.
The embodiment of the utility model provides an inner cylinder and outer cylinder connecting device of a pulverized coal burner, which comprises an inner cylinder and an outer cylinder; the inner side of the outer cylinder is annularly provided with a plurality of groups of inner and outer cylinder connecting plates, the folded edge of the inner and outer cylinder connecting plates is provided with connecting holes, and the inner and outer cylinder connecting plates are L-shaped; the left side of the inner cylinder penetrates into the inner side of the outer cylinder, and a plurality of groups of inner cylinder connecting holes are annularly formed in the outer circular surface of the left side of the inner cylinder; the connecting holes are connected with the inner cylinder connecting holes through fasteners.
The two sides of the outer cylinder are provided with outer cylinder connecting holes, the right side of the outer cylinder is provided with a wind shielding ring, and the wind shielding ring is connected with the outer cylinder through a fastener.
The wind shielding ring comprises an inner cylinder and is characterized in that wind shielding ring arms are arranged on two sides of the wind shielding ring, wind shielding ring arm connecting holes are formed in the wind shielding ring arms, a wind shielding ring inner wall is arranged in the center of the wind shielding ring, and the wind shielding ring inner wall is tightly attached to the outer wall of the inner cylinder.
The outer cylinder connecting hole is connected with the wind shielding ring arm connecting hole through a fastener.
The left end of the outer cylinder is provided with a rear cover plate, the right side of the rear cover plate is connected with a fixing ring through screws, and the screws are annularly and uniformly distributed on the surface of the rear cover plate.
The fire observation mirror gland, the flame detector fixing seat and the ignition door are sequentially arranged on the surface of the rear cover plate from top to bottom, and the fire observation mirror gland is fixed on the surface of the rear cover plate through a fastener.
The surface of the ignition door is provided with anti-slip stripes, and threads are arranged in the ignition door.
One or more technical solutions provided in the embodiments of the present utility model at least have the following technical effects or advantages:
because the inner cylinder and the outer cylinder are connected through the inner cylinder connecting plate and the outer cylinder connecting plate, the technical problems that in the prior art, the temperature of the combustion chamber of the burner is too high and the surface temperature of the inner cylinder of the burner is too high, so that the welding part between the inner cylinder and the outer cylinder of the burner is too high, the welding part is deformed and damaged are solved, the connection strength between the inner cylinder and the outer cylinder is improved, and the welding part is prevented from being deformed and damaged due to high temperature are solved.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present utility model;
FIG. 2 is a schematic perspective view of an embodiment of the present utility model;
FIG. 3 is a schematic structural view of an outer cylinder according to an embodiment of the present utility model;
FIG. 4 is a schematic structural view of an inner cylinder according to an embodiment of the present utility model;
FIG. 5 is a schematic view of a wind shielding ring according to an embodiment of the present utility model;
FIG. 6 is a schematic view of an ignition door according to an embodiment of the present utility model;
fig. 7 is a schematic view showing an internal structure of an ignition door according to an embodiment of the present utility model.
Detailed Description
Because the inner cylinder and the outer cylinder are connected through the inner cylinder connecting plate and the outer cylinder connecting plate, the technical problems that in the prior art, the temperature of the combustion chamber of the burner is too high and the surface temperature of the inner cylinder of the burner is too high, so that the welding part between the inner cylinder and the outer cylinder of the burner is too high, the welding part is deformed and damaged are solved, the connection strength between the inner cylinder and the outer cylinder is improved, and the welding part is prevented from being deformed and damaged due to high temperature are solved.
In order to better understand the above technical solutions, the following detailed description will refer to the accompanying drawings and specific embodiments.
Examples
An inner cylinder and outer cylinder connecting device of a pulverized coal burner comprises an inner cylinder 1 and an outer cylinder 2; a plurality of groups of inner and outer cylinder connecting plates 4 are annularly arranged on the inner side of the outer cylinder 2, connecting holes 4.1 are formed in the folded edges of the inner and outer cylinder connecting plates 4, and the inner and outer cylinder connecting plates 4 are L-shaped; the left side of the inner cylinder 1 penetrates into the inner side of the outer cylinder 2, and a plurality of groups of inner cylinder connecting holes 1.1 are annularly formed in the outer circular surface of the left side of the inner cylinder 1; the connecting hole 4.1 is connected with the inner cylinder connecting hole 1.1 through a fastener. Specifically, the quantity of connecting holes 4.1 sets up to four groups, and the quantity of inner tube connecting holes 1.1 sets up to four groups, through setting up the inside and outside section of thick bamboo connecting plate 4 of "L" shape, has improved the joint strength between inner tube 1 and the urceolus 2.
Examples
The two sides of the outer cylinder 2 are provided with outer cylinder connecting holes 4.2, the right side of the outer cylinder 2 is provided with a wind shielding ring 3, and the wind shielding ring 3 is connected with the outer cylinder 2 through a fastener. The wind shielding ring is characterized in that wind shielding ring arms 3.1 are arranged on two sides of the wind shielding ring 3, wind shielding ring arm connecting holes 3.2 are formed in the wind shielding ring arms 3.1, wind shielding ring inner wall 3.3 is arranged in the center of the wind shielding ring 3, and the wind shielding ring inner wall 3.3 is tightly attached to the outer wall of the inner cylinder 1. The outer cylinder connecting hole 4.2 is connected with the wind shielding ring arm connecting hole 3.2 through a fastener. The design of the wind shielding ring 3 controls the air flow in the combustion process, so that the combustion process is more efficient and stable.
Examples
The left end of the outer cylinder 2 is provided with a rear cover plate 6, the right side of the rear cover plate 6 is connected with a fixing ring 5 through screws, and the screws are annularly and uniformly distributed on the surface of the rear cover plate 6. The surface of the rear cover plate 6 is sequentially provided with a fire observation mirror gland 8, a flame detector fixing seat 7 and an ignition door 9 from top to bottom, and the fire observation mirror gland 8 is fixed on the surface of the rear cover plate 6 through a fastener. The surface of the ignition door 9 is provided with anti-skid stripes 9.1, and threads are arranged in the ignition door 9. By designing the anti-skid stripes 9.1, the ignition door 9 of the pulverized coal burner is prevented from sliding due to friction in the combustion process, so that the combustion efficiency of the pulverized coal burner is influenced; the rear cover plate 6 prevents the hot air flow from flowing out from the rear of the burner to the outside, thereby maximizing the thermal efficiency of the pulverized coal burner; the fixing ring 5 serves to fix the back cover plate 6 of the pulverized coal burner, as well as other components inside the burner, to ensure the stability of the burner.
According to the embodiment of the utility model, the inner cylinder and the outer cylinder are connected through the inner cylinder connecting plate and the outer cylinder connecting plate, so that the technical problems that in the prior art, the welding position between the inner cylinder and the outer cylinder of the burner is deformed and damaged due to the fact that the temperature of the combustion chamber of the burner is too high and the surface temperature of the inner cylinder of the burner is too high are effectively solved, the connection strength between the inner cylinder and the outer cylinder is improved, and the welding position is prevented from being deformed and damaged due to high temperature.
While preferred embodiments of the present utility model have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the following claims be interpreted as including the preferred embodiments and all such alterations and modifications as fall within the scope of the utility model.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present utility model without departing from the spirit or scope of the utility model. Thus, it is intended that the present utility model also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (7)
1. An inner cylinder and outer cylinder connecting device of a pulverized coal burner is characterized in that: comprises an inner cylinder (1) and an outer cylinder (2); a plurality of groups of inner and outer cylinder connecting plates (4) are annularly arranged on the inner side of the outer cylinder (2), connecting holes (4.1) are formed in folded edges of the inner and outer cylinder connecting plates (4), and the inner and outer cylinder connecting plates (4) are L-shaped; the left side of the inner cylinder (1) penetrates into the inner side of the outer cylinder (2), and a plurality of groups of inner cylinder connecting holes (1.1) are annularly formed in the outer circular surface of the left side of the inner cylinder (1); the connecting hole (4.1) is connected with the inner cylinder connecting hole (1.1) through a fastener.
2. The pulverized coal burner inner and outer barrel connecting device as claimed in claim 1, wherein: the novel wind-proof device is characterized in that outer cylinder connecting holes (4.2) are formed in two sides of the outer cylinder (2), a wind-proof ring (3) is arranged on the right side of the outer cylinder (2), and the wind-proof ring (3) is connected with the outer cylinder (2) through fasteners.
3. The pulverized coal burner inner and outer barrel connecting device as claimed in claim 2, wherein: the wind shielding ring is characterized in that wind shielding ring arms (3.1) are arranged on two sides of the wind shielding ring (3), wind shielding ring arm connecting holes (3.2) are formed in the wind shielding ring arms (3.1), a wind shielding ring inner wall (3.3) is arranged in the center of the wind shielding ring (3), and the wind shielding ring inner wall (3.3) is tightly attached to the outer wall of the inner cylinder (1).
4. The pulverized coal burner inner and outer barrel connecting device as claimed in claim 2, wherein: the outer cylinder connecting hole (4.2) is connected with the wind shielding ring arm connecting hole (3.2) through a fastener.
5. The pulverized coal burner inner and outer barrel connecting device as claimed in claim 1, wherein: the novel outer cylinder is characterized in that a rear cover plate (6) is arranged at the left end of the outer cylinder (2), a fixing ring (5) is connected to the right side of the rear cover plate (6) through screws, and the screws are annularly and uniformly distributed on the surface of the rear cover plate (6).
6. The device for connecting an inner cylinder and an outer cylinder of a pulverized coal burner as set forth in claim 5, wherein: the fire observation mirror gland (8), the flame detector fixing seat (7) and the ignition door (9) are sequentially arranged on the surface of the rear cover plate (6) from top to bottom, and the fire observation mirror gland (8) is fixed on the surface of the rear cover plate (6) through a fastener.
7. The device for connecting an inner cylinder and an outer cylinder of a pulverized coal burner as set forth in claim 6, wherein: the surface of the ignition door (9) is provided with anti-slip stripes (9.1), and threads are arranged in the ignition door (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320822433.XU CN219735302U (en) | 2023-04-14 | 2023-04-14 | Inner cylinder and outer cylinder connecting device of pulverized coal burner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320822433.XU CN219735302U (en) | 2023-04-14 | 2023-04-14 | Inner cylinder and outer cylinder connecting device of pulverized coal burner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219735302U true CN219735302U (en) | 2023-09-22 |
Family
ID=88028256
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320822433.XU Active CN219735302U (en) | 2023-04-14 | 2023-04-14 | Inner cylinder and outer cylinder connecting device of pulverized coal burner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219735302U (en) |
-
2023
- 2023-04-14 CN CN202320822433.XU patent/CN219735302U/en active Active
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| GR01 | Patent grant |