CN219796103U - Step-by-step type comb bed sealing device - Google Patents
Step-by-step type comb bed sealing device Download PDFInfo
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- CN219796103U CN219796103U CN202321262004.8U CN202321262004U CN219796103U CN 219796103 U CN219796103 U CN 219796103U CN 202321262004 U CN202321262004 U CN 202321262004U CN 219796103 U CN219796103 U CN 219796103U
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- sealing strip
- strip
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- sealing
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- 238000007789 sealing Methods 0.000 title claims abstract description 174
- 238000012423 maintenance Methods 0.000 abstract description 7
- 239000004568 cement Substances 0.000 abstract description 5
- 230000008901 benefit Effects 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 239000000463 material Substances 0.000 abstract description 4
- 238000005299 abrasion Methods 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model relates to a stepping grate sealing device, which belongs to the technical field of cement production equipment and comprises a grate supporting device and a plurality of single-row grate beds, wherein a sealing device is arranged between two adjacent single-row grate beds and comprises an inner sealing strip, an outer sealing strip and a wear-resistant strip, the outer sealing strip is provided with a movable sealing groove suitable for being embedded in the upper end of the inner sealing strip, the lower end of the inner sealing strip is fixedly connected with one of the two adjacent single-row grate beds, one side of the lower end of the outer sealing strip is fixedly connected with the other of the two adjacent single-row grate beds, and the upper end of the inner sealing strip is embedded in the movable sealing groove of the outer sealing strip and is movably connected with the movable sealing groove; the wear-resistant strip is fixedly connected with one side of the outer sealing strip, which is close to the inner sealing strip. According to the utility model, the wear-resistant strip is arranged, so that only the wear-resistant strip is required to be replaced when abrasion occurs, and a great deal of disassembly of parts such as the grid plate, the sealing strip and the wear-resistant push plate is not required, so that the maintenance time and the cost of manpower and material resources are greatly saved, the working efficiency of the cooler is improved, and the economic benefit is improved.
Description
Technical Field
The utility model relates to a stepping grate sealing device, and belongs to the technical field of cement production equipment.
Background
The grate cooler is also called as a grate bed, and is used as a thermal equipment in the production process of cement building material industry, and has irreplaceable functions in the aspects of material cooling, crushing and heat energy recovery. In the cement industry production, the grate cooler is closely combined with a predecomposition kiln system, a cyclone, a heat exchange pipeline, a decomposing furnace, a rotary kiln and the like to form a complete novel dry cement clinker calcining device system.
Currently, the advanced grate cooler adopts a stepping cooler, which is also called a shuttle type motion cooler. Because the moving section grate plate moves in a horizontal stepping mode, the sealing device between the grate columns plays a role in preventing grate leakage in the cooler, and the service life of the sealing device determines the length of the normal operation period of the cooler to a great extent.
Because the running mode of the step cooler grate bed is a split running mode, the clinker and the external sealing strip of the sealing device have relative movement, the running period is long, and the external sealing strip is easy to wear and even wear. The inner sealing strip and the outer sealing strip in the traditional sealing device are fast in abrasion, the spare part consumption is large, the disassembly and the assembly are all required to be carried out for a long time, and the maintenance cost is high.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a stepping grate sealing device with simple structure and convenient maintenance aiming at the defects of the prior art.
The technical scheme provided by the utility model for solving the technical problems is as follows: the step-type grate bed sealing device comprises a grate bed supporting device and a plurality of single-row grate beds which are arranged in parallel, wherein the grate bed supporting device is arranged at the lower end of each single-row grate bed, a sealing device is arranged between two adjacent single-row grate beds and comprises an inner sealing strip, an outer sealing strip and a wear-resisting strip, the cross section of the inner sealing strip is L-shaped, the lower end of the outer sealing strip is provided with a movable sealing groove which is suitable for embedding the upper end of the inner sealing strip from bottom to top, the lower end of the inner sealing strip is fixedly connected with one of the two adjacent single-row grate beds, one side of the lower end of the outer sealing strip is fixedly connected with the other of the two adjacent single-row grate beds, and the upper end of the inner sealing strip is embedded into the movable sealing groove of the outer sealing strip and is movably connected with the movable sealing groove; the wear-resistant strip is fixedly connected with one side of the outer sealing strip, which is close to the inner sealing strip.
The improvement of the technical scheme is as follows: the grate supporting device comprises a supporting frame, supporting wheels and guide rails, wherein the supporting wheels are rotatably arranged on the supporting frame, the supporting wheels are uniformly arranged at intervals along the length direction of the single-row grate, the guide rails are arranged in parallel with the length direction of the single-row grate, the upper ends of the guide rails are fixedly connected with the lower ends of the single-row grate, and the lower ends of the guide rails are movably connected with the supporting wheels.
The improvement of the technical scheme is as follows: one end of the inner sealing strip is provided with an inner sealing matching groove along the cross section direction of the inner sealing strip, and the other end of the inner sealing strip is provided with an inner sealing matching bulge matched with the inner sealing matching groove along the cross section direction of the inner sealing strip.
The improvement of the technical scheme is as follows: one end of the external sealing strip is provided with an external sealing matching groove along the cross section direction of the external sealing strip, and the other end of the external sealing strip is provided with an external sealing matching bulge matched with the external sealing matching groove along the cross section direction of the external sealing strip.
The improvement of the technical scheme is as follows: the upper surface of the single row grate bed is fixedly connected with wear-resistant push plates at uniform intervals along the length direction.
The improvement of the technical scheme is as follows: a rectangular bulge is arranged on one side of the outer sealing strip fixedly connected with the wear-resistant strip along the length direction of the outer sealing strip, and a rectangular groove matched with the rectangular bulge is arranged on one side of the wear-resistant strip.
The beneficial effects of the technical scheme adopted by the utility model are as follows:
(1) According to the stepping grate sealing device, the wear-resistant strips are arranged, so that only the wear-resistant strips are required to be replaced when the stepping grate sealing device is worn, and a great deal of parts such as the grate plate, the sealing strip and the wear-resistant push plate are not required to be detached; the maintenance time and the cost of manpower and material resources are greatly saved, the working efficiency of the cooler is improved, and the economic benefit is improved;
(2) According to the stepping type grate sealing device, the inner sealing strip and the outer sealing strip are matched to form an inner labyrinth sealing structure and an outer labyrinth sealing structure, so that grate leakage can be effectively prevented;
(3) In the stepping grate sealing device, the inner sealing matching grooves and the inner sealing matching protrusions are arranged at the two ends of the inner sealing strips, so that when a plurality of inner sealing strips are used, the inner sealing matching grooves and the inner sealing matching protrusions are matched with each other, the sealing performance between two adjacent inner sealing strips can be ensured, and the grate leakage can be effectively prevented;
(4) In the stepping grate sealing device, the outer sealing matching grooves and the outer sealing matching protrusions are arranged at the two ends of the outer sealing strips, so that when a plurality of outer sealing strips are used, the sealing performance between two adjacent outer sealing strips can be ensured by the mutual matching of the outer sealing matching grooves and the outer sealing matching protrusions, and the grate leakage can be effectively prevented;
(5) In the stepping grate sealing device, the outer sealing strip is matched with the wear-resisting strip through the rectangular bulge and the rectangular groove, so that the positioning of the wear-resisting strip during the installation of the wear-resisting strip is facilitated, the time for aligning the installation hole by a worker is reduced, the installation of the wear-resisting strip is facilitated, and the connection strength between the outer sealing strip and the wear-resisting strip in the vertical direction is improved.
Drawings
The utility model is further described below with reference to the accompanying drawings:
FIG. 1 is a schematic view of a step grate sealing device according to an embodiment of the present utility model;
FIG. 2 is a schematic perspective view of an outer sealing strip of a step grate sealing device according to an embodiment of the present utility model;
FIG. 3 is a schematic perspective view of a wear strip of a step grate sealing device according to an embodiment of the present utility model;
FIG. 4 is a schematic perspective view of an inner sealing strip of a step grate sealing device according to an embodiment of the present utility model;
FIG. 5 is a schematic top view of a step grate sealing device according to an embodiment of the present utility model;
wherein: 1-external sealing strips, 101-external sealing matching bulges, 102-movable sealing grooves, 103-rectangular bulges, 2-internal sealing strips, 201-internal sealing matching bulges, 202-internal sealing matching grooves, 3-wear-resistant strips, 301-rectangular grooves, 4-single row grate beds, 5-guide rails, 6-riding wheels, 7-support frames and 8-wear-resistant push plates.
Detailed Description
Examples
The step-by-step type grate sealing device in the embodiment, as shown in fig. 1-5, comprises a grate supporting device and a plurality of single-row grate beds 4 which are arranged in parallel, wherein the grate supporting device is arranged at the lower end of each single-row grate bed 4, a sealing device is arranged between two adjacent single-row grate beds 4, the sealing device comprises an inner sealing strip 2, an outer sealing strip 1 and a wear-resisting strip 3, the cross section of the inner sealing strip 2 is L-shaped, the lower end of the outer sealing strip 1 is provided with a movable sealing groove 102 which is suitable for being embedded into the upper end of the inner sealing strip 2 from bottom to top, the lower end of the inner sealing strip 2 is fixedly connected with one of the two adjacent single-row grate beds 4, one side of the lower end of the outer sealing strip 1 is fixedly connected with the other of the two adjacent single-row grate beds 4, and the upper end of the inner sealing strip 2 is embedded into the movable sealing groove 102 of the outer sealing strip 1 and is movably connected with the movable sealing groove; the wear-resistant strip 3 is fixedly connected with one side of the outer sealing strip 1, which is close to the inner sealing strip 2.
The step-by-step type comb bed sealing device of this embodiment, as shown in fig. 1, the comb bed supporting device includes a supporting frame 7, a supporting roller 6 and a guide rail 5, the supporting roller 6 is rotatably arranged on the supporting frame 7, the supporting roller 6 is uniformly arranged at intervals along the length direction of the single-row comb bed 4, the guide rail 5 is parallel to the length direction of the single-row comb bed 4, the upper end of the guide rail 5 is fixedly connected with the lower end of the single-row comb bed 4, and the lower end of the guide rail 5 is movably connected with the supporting roller 6.
As shown in fig. 4, one end of the inner weather strip 2 is formed with an inner seal fitting groove 202 in a cross-sectional direction thereof, and the other end of the inner weather strip 2 is formed with an inner seal fitting protrusion 201 in a cross-sectional direction thereof, which is matched with the inner seal fitting groove 202.
As shown in fig. 2, one end of the external sealing strip 1 is formed with an external sealing engagement groove (not shown) along its cross-sectional direction, and the other end of the external sealing strip 1 is formed with an external sealing engagement protrusion 101 along its cross-sectional direction, which is matched with the external sealing engagement groove. The outer sealing strip 1 is fixedly connected with the wear-resistant strip 3, a rectangular protrusion 103 is formed on one side of the wear-resistant strip 3 along the length direction, and a rectangular groove 301 matched with the rectangular protrusion 103 is formed on one side of the wear-resistant strip 3.
As shown in fig. 5, the upper surface of the single-row grate bed 4 is fixedly connected with wear-resistant pushing plates 8 at uniform intervals along the length direction.
The stepping grate sealing device of the embodiment has the advantages of simple structure, convenient maintenance, prolonged service cycle and reduced maintenance cost.
When the stepping grate sealing device is installed, the inner sealing strip 2 is installed through the countersunk head bolts, the outer sealing strip 1 matched with the countersunk head bolts is installed through the countersunk head bolts, and the wear-resisting strip 3 is installed through the countersunk head bolts.
When the stepping grate sealing device is used, clinker is loaded on the stepping grate, each single-row grate 4 of the stepping grate moves according to the walking-floor principle, and the moving speed and the moving stroke of each single-row grate 4 can be adjusted according to process requirements. As shown in fig. 5, from top to bottom, six single-row grate beds 4 can be named as 1 row, 2 rows, 3 rows, 4 rows, 5 rows and 6 rows in sequence, and the step-wise grate bed operation is divided into 4 steps: the grate beds in the 1 st step move forwards at the same time, the grate beds in the 1 st step and the 4 th step retreat, the grate beds in the 2 nd step and the 5 th step retreat, and finally the grate beds in the 3 rd step and the 6 th step retreat, and then the next sequential operation is carried out.
In the circulating process, as shown in fig. 5, because the wear-resistant push plate 8 moves together with the single-row grate bed 4, only a part of clinker above the single-row grate bed 4 moves relative to the outer sealing strip 1, so that the outer sealing strip 1 at the position is extremely easy to wear, and the wear-resistant strip 3 is arranged at the position, when the wear occurs, only the wear-resistant strip 3 is required to be replaced, and parts such as the grate plate, the sealing strip, the wear-resistant push plate and the like do not need to be largely disassembled; the maintenance time and the cost of manpower and material resources are greatly saved, the working efficiency of the cooler is improved, and the economic benefit is improved.
The present utility model is not limited to the above-described embodiments. All technical schemes formed by adopting equivalent substitution fall within the protection scope of the utility model.
Claims (6)
1. The utility model provides a marching type comb bed sealing device, includes comb bed strutting arrangement and a plurality of single row comb beds that are parallel to each other, its characterized in that: the grate bed supporting device is arranged at the lower end of each single-row grate bed, a sealing device is arranged between two adjacent single-row grate beds, the sealing device comprises an inner sealing strip, an outer sealing strip and a wear-resisting strip, the cross section of the inner sealing strip is L-shaped, the lower end of the outer sealing strip is provided with a movable sealing groove which is suitable for being embedded into the upper end of the inner sealing strip from bottom to top, the lower end of the inner sealing strip is fixedly connected with one of the two adjacent single-row grate beds, one side of the lower end of the outer sealing strip is fixedly connected with the other of the two adjacent single-row grate beds, and the upper end of the inner sealing strip is embedded into the movable sealing groove of the outer sealing strip and is movably connected with the movable sealing groove; and the wear-resistant strip is fixedly connected with one side of the outer sealing strip, which is close to the inner sealing strip.
2. The step grate sealing device of claim 1, wherein: the grate supporting device comprises a supporting frame, supporting wheels and guide rails, wherein the supporting wheels are rotatably arranged on the supporting frame, the supporting wheels are uniformly arranged at intervals along the length direction of the single-row grate, the guide rails are arranged in parallel with the length direction of the single-row grate, the upper ends of the guide rails are fixedly connected with the lower ends of the single-row grate, and the lower ends of the guide rails are movably connected with the supporting wheels.
3. The step grate sealing device of claim 1, wherein: one end of the inner sealing strip is provided with an inner sealing matching groove along the cross section direction of the inner sealing strip, and the other end of the inner sealing strip is provided with an inner sealing matching bulge matched with the inner sealing matching groove along the cross section direction of the inner sealing strip.
4. The step grate sealing device of claim 1, wherein: one end of the outer sealing strip is provided with an outer sealing matching groove along the cross section direction of the outer sealing strip, and the other end of the outer sealing strip is provided with an outer sealing matching bulge matched with the outer sealing matching groove along the cross section direction of the outer sealing strip.
5. The step grate sealing device of claim 1, wherein: the upper surface of the single-row grate bed is fixedly connected with wear-resistant push plates at equal intervals along the length direction.
6. The step grate sealing device of claim 1, wherein: the wear-resistant sealing strip comprises an outer sealing strip and a wear-resistant strip, wherein a rectangular bulge is arranged on one side of the outer sealing strip fixedly connected with the wear-resistant strip along the length direction of the outer sealing strip, and a rectangular groove matched with the rectangular bulge is arranged on one side of the wear-resistant strip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321262004.8U CN219796103U (en) | 2023-05-24 | 2023-05-24 | Step-by-step type comb bed sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321262004.8U CN219796103U (en) | 2023-05-24 | 2023-05-24 | Step-by-step type comb bed sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219796103U true CN219796103U (en) | 2023-10-03 |
Family
ID=88177555
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321262004.8U Active CN219796103U (en) | 2023-05-24 | 2023-05-24 | Step-by-step type comb bed sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219796103U (en) |
-
2023
- 2023-05-24 CN CN202321262004.8U patent/CN219796103U/en active Active
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