CN216205362U - Grate plate device for cooling clinker - Google Patents
Grate plate device for cooling clinker Download PDFInfo
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- CN216205362U CN216205362U CN202122377352.7U CN202122377352U CN216205362U CN 216205362 U CN216205362 U CN 216205362U CN 202122377352 U CN202122377352 U CN 202122377352U CN 216205362 U CN216205362 U CN 216205362U
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- air chamber
- slope
- air
- slope air
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Abstract
The utility model relates to a grate plate device for cooling clinker, which is characterized by comprising a certain number of grate plates, a slope air chamber, a manual air volume adjusting valve and a support, wherein the slope air chamber is fixedly arranged on the support, the slope air chamber is of a closed cavity structure, an air channel is arranged at the bottom of the slope air chamber and communicated with the slope air chamber, an air inlet is arranged at the end part of the air channel, the top surface of the slope air chamber is of a stepped structure, the top surface of each layer of the slope air chamber horizontally inclines a certain angle anticlockwise and is provided with a certain number of ventilation openings, the number of the ventilation openings is sequentially increased from top to bottom, the number of the ventilation openings is respectively increased from left to right at every two layers, the lower surface of each ventilation opening is fixedly connected with the manual air volume adjusting valve, a certain number of grate gaps are arranged on the grate plates, the cross sections of the grate gaps are of a wave-shaped structure, a connecting line of tail ridge lines of each layer of the grate plates forms an inclined plane, and an included angle A is formed between the inclined plane and the horizontal plane, the utility model can change the upwind mode when the cooling wind passes through the grid plate, and improve the cooling efficiency.
Description
Technical Field
The utility model relates to the technical field of cooler grid plates, in particular to a grid plate device for cooling clinker.
Background
The grate plate is an important component of the grate cooler, the working efficiency of the grate cooler is directly influenced by the reasonability of the design of the grate plate, the clinker enters the existing grate plate in a vertical and upward mode, and the processing effect on the clinker is not ideal.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a grate plate device for cooling clinker, which can change the upwind mode when cooling air passes through the grate plate and improve the cooling efficiency.
In order to achieve the above purpose, the following technical scheme is provided:
a grate plate device for cooling clinker comprises a certain number of grate plates, a slope air chamber, manual air volume adjusting valves and a support, wherein the support is formed by assembling profile steel, the slope air chamber is fixedly installed on the support and is of a closed cavity structure, an air channel is arranged at the bottom of the slope air chamber and communicated with the slope air chamber, an air inlet is formed in the end part of the air channel, the top surface of the slope air chamber is of a stepped structure, the top surface of each layer of the slope air chamber is horizontally inclined by a certain angle anticlockwise and is provided with a certain number of ventilation openings, the number of the ventilation openings is sequentially increased from top to bottom, the number of the ventilation openings is respectively increased from the left to the right at every two layers, the lower surface of each ventilation opening is fixedly connected with one manual air volume adjusting valve, a certain number of grate gaps are formed in each grate plate, the cross sections of the grate gaps are of a wave-shaped structure, and the grate plates are fixedly connected to the upper surfaces of the ventilation openings, and a connecting line of the tail ridge of each layer of grid plate forms an inclined plane, and the inclined plane and the horizontal plane form an included angle A.
Preferably, the top surface of each layer of the slope wind chamber is horizontally inclined by 2 degrees anticlockwise.
Preferably, the angle a is 7 °.
The utility model has the beneficial effects that:
1. the utility model leads the grid gap on the grid plate to keep a certain angle through the slope wind chamber, and can lead the cooling wind to form strong high-speed horizontal jet airflow after passing through the grid plate, after the cooling wind is ejected out from the grid gap along a certain angle at a high speed, the original direction can be changed, the cooling wind advances along the surface of the grid plate, and the advancing direction is changed after meeting the clinker, so as to cool the clinker (the nominal wind speed of the slope wind chamber after being transformed is 1.77m/s, and the wind speed actually passing through the grid gap can reach 71 m/s).
2. After cooling air is ejected from the grid gaps at a high speed along a certain angle, the formed jet air flow flows through the surface of the grid plate at a high speed, plays a role of a heat insulation layer on the hot clinker and the grid plate and keeps the temperature of the grid plate at 30-40 ℃.
3. On the other hand, the cooling air horizontally entering the clinker has longer walking path in the clinker, longer heat exchange time between the cooling air and the clinker and more sufficient heat exchange, thereby improving the heat recovery efficiency.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic cross-sectional view of the present invention;
FIG. 3 is an enlarged schematic view of the structure of the present invention at B;
FIG. 4 is a schematic diagram of the ramp plenum of the present invention;
the reference symbols shown in the figures are: 1-grate plate, 2-slope air chamber, 3-support, 4-ventilation opening, 5-manual air quantity regulating valve, 6-grate seam, 7-air duct and 8-air inlet.
Detailed Description
The following describes the present design in detail with reference to the accompanying drawings.
As shown in fig. 1 to 4, a grate plate device for cooling clinker comprises a certain number of grate plates 1, a slope air chamber 2, a manual air volume adjusting valve 5 and a bracket 3, wherein the bracket 3 is assembled by profile steel, the slope air chamber 2 is fixedly arranged on the bracket 3, the slope air chamber 2 is of a closed cavity structure, the bottom of the slope air chamber 2 is provided with an air duct 7 and communicated with the slope air chamber 2, the end part of the air duct 7 is provided with an air inlet 8 for supplying air to the slope air chamber 2, the top surface of the slope air chamber 2 is of a stepped structure, the top surface of each layer of the slope air chamber is horizontally inclined at a certain angle anticlockwise and is provided with a certain number of vent holes 4, the number of the vent holes 4 is sequentially increased from top to bottom, the left and the right of each two layers are respectively increased by one, the manual air volume adjusting valve 5 is fixedly connected to the lower surface of each vent hole 4 and is used for adjusting the air inlet volume passing through the grate plates 5, the grate plates 1 are provided with a certain number of grate gaps 6, the cross sections of the grate gaps 6 are of wave-shaped structures, the purpose of pressurizing cooling air passing through the grate gaps 6 is further achieved, the grate plates 1 are fixedly connected to the upper surface of the ventilation openings 4, the connecting line of the tail ridge lines of each layer of grate plates 1 forms an inclined plane, and the inclined plane and the horizontal plane form an included angle A.
Wherein the top surface of each layer of the slope wind chamber 2 horizontally inclines by 2 degrees anticlockwise.
Wherein the included angle A is 7 degrees.
The inclination angle of the grate plate device and the grate cooler body is 12 degrees after being combined by 5 degrees, and further after cooling air is blown out from the grate slits 6, the air direction is blown out in a direction close to the horizontal direction, the path of the cooling air traveling in clinker is longer, and the heat exchange time between the cooling air and the clinker is longer.
The width of the grid plate device is 6600mm, the height of the grid plate device is 2254mm, the actual installation height of the grid plate device is 2265mm, and a manufacturing error and an installation adjusting space of 11mm are reserved for the grid plate device.
Examples
As shown in FIGS. 1-4,
firstly, adjusting the air inlet angle of each manual air volume adjusting valve 5, controlling the air inlet volume, fixedly connecting the output end of an external fan to an air inlet 8, opening the external fan to convey cooling air into the slope air chamber 2 through an air duct 7, converting the cooling air into the set air inlet volume through the manual air volume adjusting valve 5, conveying the air into the lower surface of the grate plate 1 through an air vent 4, forming strong high-speed horizontal jet airflow after the set air inlet volume passes through the grate slits 6, advancing along the surface of the grate plate 1, and cooling the clinker after touching the clinker.
Claims (3)
1. A grate plate device for cooling clinker is characterized by comprising a certain number of grate plates, a slope air chamber, manual air volume adjusting valves and a support, wherein the support is formed by assembling profile steel, the slope air chamber is fixedly installed on the support and is of a closed cavity structure, an air channel is arranged at the bottom of the slope air chamber and communicated with the slope air chamber, an air inlet is formed in the end part of the air channel, the top surface of the slope air chamber is of a stepped structure, the top surface of each layer of the slope air chamber is horizontally inclined by a certain angle anticlockwise and is provided with a certain number of ventilation openings, the number of the ventilation openings is gradually increased from top to bottom, the number of the ventilation openings is gradually increased from the left to the right at every two layers, the manual air volume adjusting valves are fixedly connected to the lower surface of each ventilation opening, a certain number of grate gaps are formed in the grate plates, and the cross sections of the grate gaps are of a wave-shaped structure, the grate plates are fixedly connected to the upper surface of the ventilation opening, a connecting line of tail ridge lines of each layer of grate plates forms an inclined plane, and the inclined plane and a horizontal plane form an included angle A.
2. The grate plate apparatus for cooling clinker of claim 1, wherein the top surface of each layer of said ramp plenum is horizontally inclined counterclockwise by 2 °.
3. Grate device for cooling clinker according to claim 1, characterized in that said angle a is 7 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122377352.7U CN216205362U (en) | 2021-09-29 | 2021-09-29 | Grate plate device for cooling clinker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122377352.7U CN216205362U (en) | 2021-09-29 | 2021-09-29 | Grate plate device for cooling clinker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216205362U true CN216205362U (en) | 2022-04-05 |
Family
ID=80927669
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122377352.7U Active CN216205362U (en) | 2021-09-29 | 2021-09-29 | Grate plate device for cooling clinker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216205362U (en) |
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2021
- 2021-09-29 CN CN202122377352.7U patent/CN216205362U/en active Active
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