CN213480250U - Side sealing structure of fire grate - Google Patents
Side sealing structure of fire grate Download PDFInfo
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- CN213480250U CN213480250U CN202022341018.1U CN202022341018U CN213480250U CN 213480250 U CN213480250 U CN 213480250U CN 202022341018 U CN202022341018 U CN 202022341018U CN 213480250 U CN213480250 U CN 213480250U
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Abstract
The utility model belongs to the technical field of boiler equipment, concretely relates to grate side seal structure. The utility model discloses a chain grate furnace wallboard and fixture block subassembly. The angle steel is installed to chain grate furnace wallboard one side, and the loading board is installed to the angle steel upper end, and the loading board up end mid-mounting has the closing plate, and closing plate one side is equipped with the sealed piece of L type. The fixture block assembly comprises an installation block, a mounting groove is formed in the lower end face of the installation block, a rotating shaft is transversely installed in the mounting groove, a rotating ball is installed on the rotating shaft, and the lower half portion of the rotating ball extends out of the mounting groove and is inserted into an arc groove formed in the upper end face of the bearing plate. A clamping block is installed at one end of the installation block, at least one group of L-shaped sealing grooves are formed in one end of the clamping block, and the L-shaped sealing grooves correspond to the L-shaped sealing blocks. The utility model improves the smoothness of the relative movement by installing the rotary ball between the installation block and the bearing plate; meanwhile, an L-shaped sealing block is arranged between the side end of the clamping block and the sealing plate, so that sealing is realized, and the friction loss of the L-shaped sealing block is reduced.
Description
Technical Field
The utility model belongs to the technical field of boiler equipment, concretely relates to grate side seal structure.
Background
Grates are parts of a boiler or industrial furnace that oppose and efficiently burn solid fuels. The whole fire grate mainly comprises a frame and a fire grate segment. When the chain grate furnace is in operation, the moving part of the grate and the wall plates fixed on the two sides move relatively, so that a gap is necessarily reserved between the moving part of the grate and the wall plates. In order to prevent air leakage and ensure safe operation of the boiler, side sealing structures are arranged on two sides of a grate of the chain grate furnace.
Side seal structure among the prior art, mostly realize sealing through setting up sealed slider, but this type of sealed slider constantly through sliding friction under the effect of splint gravity can wear and tear to some extent, leads to the clearance expansion between slider and the spout to lead to sealing performance to descend.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects, the utility model aims to provide a grate side sealing structure.
The utility model provides a following technical scheme:
a fire grate side sealing structure comprises a chain grate wallboard; one side of the grate furnace wallboard is provided with angle steel; the upper end of the angle steel is provided with a bearing plate; a sealing plate is arranged in the middle of the upper end face of the bearing plate, and at least one group of L-shaped sealing blocks are arranged on one side of the sealing plate, which is far away from the chain grate furnace wallboard, at intervals; an arc groove is formed in one end, away from the grate furnace wallboard, of the upper end face of the bearing plate;
the fixture block assembly comprises an installation block, an installation groove is formed in the lower end face of the installation block, a rotating shaft is transversely installed in the installation groove, a rotating ball is installed on the rotating shaft, the lower half portion of the rotating ball extends out of the installation groove, and the lower half portion of the rotating ball extending out of the installation groove is inserted into the arc groove in a matched mode; a clamping block is installed at one end of the installation block, at least one group of L-shaped sealing grooves are formed in the end, far away from the installation block, of the clamping block, and the L-shaped sealing grooves correspond to the L-shaped sealing blocks.
And the groove surface of the arc groove is provided with a flexible fire-resistant layer.
The flexible refractory material is graphite.
The surface of the L-shaped sealing block is covered with a fireproof wear-resistant material.
The refractory wear-resistant material is aluminosilicate.
A first reinforcing rib is welded between the angle steel and the lower surface of the bearing plate.
And a second reinforcing rib is welded between one end of the sealing plate, which is close to the grate furnace wallboard, and the upper surface of the bearing plate.
The utility model has the advantages that:
the utility model improves the smoothness of the relative movement by installing the rotary ball between the installation block and the bearing plate; meanwhile, an L-shaped sealing block is arranged between the side end of the clamping block and the sealing plate, so that sealing is realized, and the friction loss of the L-shaped sealing block is reduced.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is an enlarged view at A in FIG. 1;
fig. 3 is a schematic view of the installation of the rotary ball and the rotary shaft of the present invention.
Labeled as: the device comprises a chain grate wallboard 101, angle steel 102, a first reinforcing rib 103, a bearing plate 104, a second reinforcing rib 105, a sealing plate 106, an L-shaped sealing block 107, a fixture block 108, a rotating ball 109, a mounting block 110, a flexible fire-resistant layer 111 and a rotating shaft 112.
Detailed Description
As shown in the figure, the grate side sealing structure comprises a grate wallboard 101, angle steel 102, a first reinforcing rib 103, a bearing plate 104, a second reinforcing rib 105, a sealing plate 106, an L-shaped sealing block 107 and a clamping block assembly. The angle steel 102 is fixedly installed on one side of the chain grate wallboard 101 by welding or fasteners such as screws, and the bearing plate 104 is fixedly installed on the upper end face of the angle steel 102 by welding or fasteners such as screws. A first reinforcing rib 103 is welded between the angle steel 102 and the lower surface of the bearing plate 104, and the first reinforcing rib 103 can prevent the bearing plate 104 from bending and deforming under stress. The sealing plate 106 is fixedly mounted by welding to the upper end face of the carrier plate 104 in a centered position. The sealing plate 106 is fixedly installed between one end, close to the chain grate wallboard 101, of the sealing plate 106 and the upper surface of the bearing plate 104 through welding, the reinforcing ribs 105 can prevent the sealing plate 106 from being deformed due to stress, and therefore the position of the L-shaped sealing block 107 on the sealing plate 106 deviates, and sealing performance is reduced.
The sealing plate 106 is provided with at least one group of L-shaped sealing blocks 107 at intervals away from the side of the chain grate wallboard 101, preferably two groups of L-shaped sealing blocks 107, and the surfaces of the L-shaped sealing blocks 107 are covered with refractory wear-resistant materials, preferably aluminosilicate.
The fixture block assembly comprises an installation block 110, wherein an installation groove is formed in the lower end face of the installation block 110, a rotating shaft 112 is transversely installed in the installation groove, and the rotating shaft 112 can rotate relative to the installation block 110. The middle of the rotating ball 109 is provided with a mounting through hole, the hole wall of the mounting through hole is provided with a limiting groove, the shaft body of the rotating shaft 112 is provided with a lug, the rotating shaft 112 can be inserted into the mounting through hole of the rotating shaft 109, and the lug is correspondingly inserted into the limiting groove, so that the rotating ball 109 can rotate around the rotation axis of the rotating shaft 112 relative to the mounting block 110. The lower half part of the rotary ball 109 extends out of the mounting groove, and the lower half part of the rotary ball 109 extending out of the mounting groove is inserted into the arc groove arranged at one end of the upper end surface of the bearing plate 104 far away from the chain grate wallboard 101 in a matched manner. The groove surface of the arc groove is provided with a flexible fire-resistant layer 111, and the material of the flexible fire-resistant layer 111 is preferably graphite. The arrangement of the rotary ball 109 can be changed from the conventional sliding connection to the rolling connection, so that the smoothness of the relative movement is enhanced.
The fixture block 108 is installed at one end of the installation block 110, at least one group of L-shaped sealing grooves is formed in one end, far away from the installation block 110, of the fixture block 108, the L-shaped sealing grooves correspond to the L-shaped sealing block 107, and the number of the L-shaped sealing grooves is preferably two. When the installation is carried out, the fixture block 108 is firstly inserted on the L-shaped sealing block 107, and then the fixture block 108 and the installation block 110 are welded together. Since there is a gap between the rotary ball 109 and the wall of the mounting groove, an L-shaped sealing block 107 is required to enhance the sealing effect. And the L-shaped sealing block 107 does not need to bear the pressure of the mounting block 110 and the fixture block 108, so that the friction loss of the L-shaped sealing block is reduced.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. 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 (7)
1. A fire grate side sealing structure comprises a chain grate wallboard (101); the method is characterized in that: one side of the chain grate furnace wall plate (101) is provided with an angle steel (102); the upper end of the angle steel (102) is provided with a bearing plate (104); a sealing plate (106) is arranged in the middle of the upper end face of the bearing plate (104), and at least one group of L-shaped sealing blocks (107) are arranged on one side, far away from the chain grate wallboard (101), of the sealing plate (106) at intervals; an arc groove is formed in one end, far away from the chain grate furnace wallboard (101), of the upper end face of the bearing plate (104);
the fixture block assembly comprises an installation block (110), an installation groove is formed in the lower end face of the installation block (110), a rotating shaft (112) is transversely installed in the installation groove, a rotating ball (109) is installed on the rotating shaft (112), the lower half portion of the rotating ball (109) extends out of the installation groove, and the lower half portion of the rotating ball (109) extending out of the installation groove is inserted into the arc groove in a matched mode; a clamping block (108) is installed at one end of the installation block (110), at least one group of L-shaped sealing grooves are formed in one end, far away from the installation block (110), of the clamping block (108), and the L-shaped sealing grooves correspond to the L-shaped sealing blocks (107).
2. The grate side seal arrangement of claim 1, wherein: and the groove surface of the arc groove is provided with a flexible fire-resistant layer (111).
3. The grate side seal arrangement of claim 2, wherein: the flexible fire-resistant layer (111) is made of graphite.
4. The grate side seal arrangement of claim 1, wherein: the surface of the L-shaped sealing block (107) is covered with a refractory and wear-resistant material.
5. The grate side seal arrangement of claim 4, wherein: the refractory wear-resistant material is aluminosilicate.
6. The grate side seal arrangement of claim 1, wherein: and a first reinforcing rib (103) is welded between the angle steel (102) and the lower surface of the bearing plate (104).
7. The grate side seal arrangement of claim 1, wherein: and a second reinforcing rib (105) is welded between one end of the sealing plate (106), which is close to the chain grate wallboard (101), and the upper surface of the bearing plate (104).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022341018.1U CN213480250U (en) | 2020-10-20 | 2020-10-20 | Side sealing structure of fire grate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022341018.1U CN213480250U (en) | 2020-10-20 | 2020-10-20 | Side sealing structure of fire grate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213480250U true CN213480250U (en) | 2021-06-18 |
Family
ID=76366939
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022341018.1U Active CN213480250U (en) | 2020-10-20 | 2020-10-20 | Side sealing structure of fire grate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213480250U (en) |
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2020
- 2020-10-20 CN CN202022341018.1U patent/CN213480250U/en active Active
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