Sealing plate with good sealing effect
By designing a sealing plate using annular groove, annular sealing block and sealing filler in the grate, the material leakage problem caused by poor wear resistance of the sealing plate is solved, and effective sealing effect and equipment service life are achieved.
Patent Information
- Application Number
- CN202422070722.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-26
- Publication Date
- 2025-07-01
- Estimated Expiration
- 2034-08-26
AI Technical Summary
The wear resistance of the sealing plate in the grate is poor, resulting in the problem of leakage of materials at the connection between the sealing plate and the slide shaft.
A sealing plate with good sealing effect was designed, using a combination of annular groove, annular sealing block and sealing filler. Through the close contact between the annular sealing block and the annular groove and the multiple sealing barrier of the sealing filler, the gap between the slider shaft and the sealing plate body is significantly reduced, and the leakage of fine particles is prevented.
It effectively prevents leakage of fine particles, extends the service life of the equipment, reduces leakage problems caused by temperature changes, and reduces the thermal stress and material fatigue of the equipment.
Smart Images
Figure CN223049389U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of grate-kilns, and particularly relates to a sealing plate with good sealing effect. Background Art
[0002] The pellet production process is a production process for refining pellet ore. Pelletizing and sintering are two common processes for refining iron ore in the iron and steel smelting industry. In the pellet production process, a corresponding grate-kiln is required. The grate-kiln is a non-standard large metallurgical sintering equipment and is a special equipment that works under high temperature conditions.
[0003] During the production process of the grate-kiln, a large amount of fine granular materials will fall under the grate-kiln through the gaps between the grate plates. Part of them will be carried away by the air flow of the fan and blown to the west sealing plate of the grate-kiln. After a long time, the wear gap between the slider shaft and the sealing plate of the grate-kiln becomes larger, resulting in an enlarged gap at this connection and causing the problem of material leakage. Summary of the Utility Model
[0004] The utility model provides a sealing plate with good sealing effect, aiming to solve the problem that the currently used sealing plate has poor wear resistance, which easily leads to material leakage at the connection between the sealing plate and the slider shaft as mentioned in the above background art.
[0005] To solve the above problems, the utility model is realized as follows. A sealing plate with good sealing effect includes: a sealing plate body sleeved on the slider shaft; an annular frame arranged on one side of the sealing plate body; an annular groove opened in the annular frame; an annular sealing block installed on the slider shaft, and the annular sealing block is adapted to the annular groove; a sealing filler arranged in the annular groove, and the sealing filler is in contact with the annular sealing block; a positioning mechanism arranged on the annular frame for positioning the annular frame.
[0006] Preferably, the annular frame is composed of two arc-shaped plates, a plurality of connection holes and two connection bolts. The plurality of connection holes are respectively opened on the two arc-shaped plates, and the plurality of connection holes are communicated with each other. The two connection bolts are respectively threadedly installed in the plurality of connection holes.
[0007] Preferably, a heat insulation layer is arranged in the sealing plate body, a heat insulation board is arranged in the heat insulation layer, the material of the heat insulation layer is calcium silicate board, and the material of the heat insulation board is ceramic fiber.
[0008] Preferably, a liquid guide hole is opened in the annular frame, the liquid guide hole is communicated with the annular groove, a liquid discharge box is installed on one side of the annular frame, and the liquid discharge box is communicated with the liquid guide hole.
[0009] Preferably, the positioning mechanism includes: a positioning frame and a connection box respectively and fixedly installed on the two arc-shaped plates, the fixed block of the positioning frame is slidably connected to the connection box; an adapter block provided in the connection box; a clamping block fixedly installed in the adapter block, and the clamping block is clamped on one side of the fixed block.
[0010] Preferably, a heat insulation pad is installed in the connection box, a sliding rod is fixedly installed in the connection box, a return spring is sleeved on the sliding rod, and two ends of the return spring are respectively fixedly connected to the heat insulation pad and the adapter block. A pull rod is slidably installed at the top of one side of the connection box, and the pull rod is fixedly connected to the adapter block.
[0011] Preferably, two L-shaped plates are installed on the annular frame, the two L-shaped plates are in contact with each other, a limiting plate is fixedly installed on one side of the sealing plate body, the limiting plate is located above the two L-shaped plates, and a fixing bolt is threadedly installed on the limiting plate, and the fixing bolt is threadedly connected to the two L-shaped plates.
[0012] Compared with the related art, the sealing plate with good sealing effect provided by the present utility model has the following beneficial effects:
[0013] 1. Through the combined design of the annular groove, the annular sealing block and the sealing filler, the gap between the slider shaft and the sealing plate body is significantly reduced, effectively preventing the leakage of fine granular materials. Through the threaded connection between the connecting bolts and the connecting holes, the annular frame can be quickly assembled, and the assembly is relatively fast. Through the arrangement of the heat insulation layer and the heat insulation plate, the heat transfer can be effectively reduced, maintaining the temperature difference on both sides of the sealing plate body, which helps to improve the sealing effect and reduce the leakage problem caused by temperature changes. At the same time, the good heat insulation performance can reduce the overall thermal stress of the equipment, reduce the material fatigue and wear caused by temperature changes, and thus extend the service life of the grate cooler;
[0014] 2. Through the arrangement of the liquid drainage box and the liquid guide holes, it is convenient to lubricate the sealing filler, which can effectively slow down the wear of the sealing filler and improve the sealing performance of the sealing plate body. By clamping the clamping block in the clamping groove of the fixed block to limit the fixed block, the positioning operation of the two arc-shaped plates can be quickly realized, facilitating the subsequent assembly of the connecting bolts;
[0015] 3. By pulling the pull rod to slide the adapter block, the clamping block can be quickly separated from the fixed plate, facilitating the separation operation of the two arc-shaped plates. By connecting the fixing bolt to the L-shaped plate and the limiting plate, it is ensured that the sealing plate body will not move away from the annular frame, which is beneficial to the sealing operation of the slider shaft.
[0016] Compared with the prior art, the sealing plate with good sealing effect provided by this solution can effectively slow down the wear of the sealing plate, thereby reducing the gap between the slider shaft and the sealing plate, and effectively preventing the leakage of fine granular materials. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 is a schematic front sectional view of a sealing plate with good sealing effect provided by the present utility model;
[0018] Figure 2 is a schematic side sectional view of the annular frame provided in the present utility model;
[0019] Figure 3 is Figure 1 an enlarged schematic view of part A shown in
[0020] Figure 4 is Figure 2 an enlarged schematic view of part B shown in
[0021] Reference numerals: 1, slider shaft; 2, sealing plate body; 3, annular frame; 4, annular groove; 5, annular sealing block; 6, sealing packing; 7, connection hole; 8, connection bolt; 9, heat insulation layer; 10, heat insulation plate; 11, liquid drainage box; 12, positioning frame; 13, connection box; 14, slider; 15, clamping block; 16, sliding rod; 17, return spring; 18, pull rod; 19, L-shaped plate; 20, limiting plate; 21, fixing bolt. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0022] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those of ordinary skill in the technical field to which this application belongs; the terms used in the specification of this application are only for the purpose of describing specific embodiments and are not intended to limit this application; the terms "including" and "having" and any variations thereof in the specification and claims of this application and the above drawings are intended to cover non-exclusive inclusion. The terms "first", "second", etc. in the specification and claims of this application or the above drawings are used to distinguish different objects and are not used to describe a specific order; the terms "inner", "outer", "left", "right" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation to the present utility model.
[0023] References to "embodiments" in this specification mean that the particular features, structures, or characteristics described in connection with the embodiments can be included in at least one embodiment of the present application. The phrase appears in various places in the specification and does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment mutually exclusive with other embodiments. Those skilled in the art will explicitly and implicitly understand that the embodiments described herein can be combined with other embodiments.
[0024] An embodiment of the present utility model provides a sealing plate with good sealing effect, as Figures 1 - 4 shown, the sealing plate with good sealing effect includes: a sealing plate body 2 sleeved on a slider shaft 1; an annular frame 3 provided on one side of the sealing plate body 2; an annular groove 4 opened in the annular frame 3; an annular sealing block 5 installed on the slider shaft 1, the annular sealing block 5 being adapted to the annular groove 4; a sealing filler 6 provided in the annular groove 4, the sealing filler 6 being in contact with the annular sealing block 5; and a positioning mechanism provided on the annular frame 3 for positioning the annular frame 3.
[0025] In this embodiment, the annular sealing block 5 is in close contact with the sealing filler 6 in the annular groove 4, which can effectively reduce the direct wear between the slider shaft 1 and the sealing plate body 2, extend the service life of the equipment. At the same time, through the setting of the sealing filler 6, multiple sealing barriers can be formed. The sealing filler 6 can effectively prevent fine materials from leaking through tiny gaps. Through the combined design of the annular groove 4, the annular sealing block 5 and the sealing filler 6, the gap between the slider shaft 1 and the sealing plate body 2 is significantly reduced, effectively preventing the leakage of fine granular materials.
[0026] In a further preferred embodiment of the present utility model, the annular frame 3 is composed of two arc-shaped plates, a plurality of connection holes 7 and two connection bolts 8. The plurality of connection holes 7 are respectively opened on the two arc-shaped plates, and the plurality of connection holes 7 communicate with each other. The two connection bolts 8 are respectively threadedly installed in the plurality of connection holes 7.
[0027] In this embodiment, when installing the annular frame 3, first make the two arc-shaped plates contact each other, and then put the connection bolts 8 into the connection holes 7 to threadedly connect the connection bolts 8 with the connection holes 7, so as to quickly assemble the annular frame 3. The assembly is relatively fast. By threadedly connecting the connection bolts 8 with the connection holes 7, the annular frame 3 can be quickly assembled, and the assembly is relatively fast.
[0028] In a further preferred embodiment of the present utility model, a heat insulation layer 9 is provided in the sealing plate body 2, and a heat insulation board 10 is provided in the heat insulation layer 9. The material of the heat insulation layer 9 is calcium silicate board, and the material of the heat insulation board 10 is ceramic fiber.
[0029] In this embodiment, through the arrangement of the heat insulation layer 9 and the heat insulation plate 10, the heat transfer can be effectively reduced, the temperature difference between both sides of the sealing plate body 2 can be maintained, which helps to improve the sealing effect and reduce the leakage problem caused by temperature changes. At the same time, the good heat insulation performance can reduce the overall thermal stress of the equipment, reduce the material fatigue and wear caused by temperature changes, and thus extend the service life of the grate cooler.
[0030] In a further preferred embodiment of the present utility model, a liquid guide hole is provided in the annular frame 3, the liquid guide hole is communicated with the annular groove 4, and a liquid discharge box 11 is installed on one side of the annular frame 3, and the liquid discharge box 11 is communicated with the liquid guide hole.
[0031] In this embodiment, when it is necessary to lubricate the sealing packing 6 in the annular groove 4, first pour the liquid into the liquid discharge box 11, and introduce the liquid into the annular groove 4 through the liquid guide hole, so that it drips on the sealing packing 6, and then the lubrication treatment can be carried out. Through the arrangement of the liquid discharge box 11 and the liquid guide hole, it is convenient to lubricate the sealing packing 6, which can effectively slow down the wear of the sealing packing and improve the sealing performance of the sealing plate body 2.
[0032] In a further preferred embodiment of the present utility model, the positioning mechanism includes: a positioning frame 12 and a connection box 13 respectively fixedly installed on the two arc-shaped plates, the fixed block of the positioning frame 12 is slidably connected with the connection box 13; an adapter block 14 arranged in the connection box 13; a clamping block 15 fixedly installed in the adapter block 14, and the clamping block 15 is clamped on one side of the fixed block.
[0033] In this embodiment, when installing the annular frame 3, first make the two arc-shaped plates contact each other, slide the fixed block of the positioning frame 12 into the connection box 13, and make the clamping block 15 in the connection box 13 clamp on one side of the fixed block to limit the fixed block, so as to quickly position the two arc-shaped plates, which is convenient for the subsequent installation of the connecting bolts 8. By clamping the clamping block 15 in the card slot of the fixed block to limit the fixed block, the quick positioning operation of the two arc-shaped plates can be realized, which is convenient for the subsequent assembly of the connecting bolts 8.
[0034] In a further preferred embodiment of the present utility model, a heat insulation pad is installed in the connection box 13, a slide bar 16 is fixedly installed in the connection box 13, a return spring 17 is sleeved on the slide bar 16, and both ends of the return spring 17 are fixedly connected with the heat insulation pad and the adapter block 14 respectively. A pull rod 18 is slidably installed at the top of one side of the connection box 13, and the pull rod 18 is fixedly connected with the adapter block 14.
[0035] In this embodiment, when the sealing packing 6 needs to be replaced, first remove the connecting bolts 8, and then pull the pull rod 18, so that the pull rod 18 drives the connecting block 14 to slide along the sliding rod 16, and the connecting block 14 drives the clamping block 15 to slide away from the clamping groove of the fixed block. Then the two arc-shaped plates can be separated, and the replacement operation of the sealing packing 6 can be carried out. By pulling the connecting block 14 to slide through the pull rod 18, the clamping block 15 can be quickly separated from the fixed plate, which is convenient for separating the two arc-shaped plates.
[0036] In a further preferred embodiment of the present utility model, two L-shaped plates 19 are installed on the annular frame 3, the two L-shaped plates 19 are in contact with each other, a limiting plate 20 is fixedly installed on one side of the sealing plate body 2, the limiting plate 20 is located above the two L-shaped plates 19, and a fixing bolt 21 is threadedly installed on the limiting plate 20, and the fixing bolt 21 is threadedly connected with the two L-shaped plates 19.
[0037] In this embodiment, the fixing bolt 21 is connected with the L-shaped plate 19 and the limiting plate 20, so as to ensure that the sealing plate body 2 does not move away from the annular frame 3, which is beneficial to the sealing operation of the slider shaft 1.
[0038] In summary, compared with the related art, the present device has the advantages of effectively reducing the wear of the sealing plate, thereby reducing the gap between the slider shaft 1 and the sealing plate 2, and effectively preventing the leakage of fine granular materials.
[0039] In several embodiments provided by the present application, it should be understood that the disclosed device can be implemented in other ways.
[0040] The above embodiments are only used to illustrate the technical solutions of the present utility model, rather than to limit the protection scope of the utility model. Obviously, the described embodiments are only part of the embodiments of the present utility model, rather than all embodiments. Based on these embodiments, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the scope of protection of the present utility model. Although the present utility model has been described in detail with reference to the above embodiments, those of ordinary skill in the art can still, without conflict, make combinations, additions, deletions or other adjustments to the features in the embodiments of the present utility model according to the situation without creative work, so as to obtain different technical solutions that are essentially the same as the concept of the present utility model, and these technical solutions also fall within the scope of protection of the present utility model.
Claims
1. A sealing plate with good sealing effect, characterized in that: include: A sealing plate body sleeved on the slider shaft; An annular frame provided on one side of the sealing plate body; An annular groove is provided in the annular frame; An annular sealing block mounted on the slider shaft, the annular sealing block being adapted to the annular groove; A sealing filler disposed in the annular groove, the sealing filler being in contact with the annular sealing block; A positioning mechanism is arranged on the annular frame and is used for positioning the annular frame.
2. The sealing plate with good sealing effect as claimed in claim 1, characterized in that: The annular frame is composed of two arc-shaped plates, a plurality of connecting holes and two connecting bolts. The plurality of connecting holes are respectively opened on the two arc-shaped plates, the plurality of connecting holes are connected, and the two connecting bolts are respectively threadedly installed in the plurality of connecting holes.
3. The sealing plate with good sealing effect as claimed in claim 1, characterized in that: A heat insulation layer is arranged in the sealing plate body, a heat insulation board is arranged in the heat insulation layer, the heat insulation layer is made of calcium silicate board, and the heat insulation board is made of ceramic fiber.
4. The sealing plate with good sealing effect as claimed in claim 1, characterized in that: A liquid guide hole is provided in the annular frame, and the liquid guide hole is communicated with the annular groove. A liquid drainage box is installed on one side of the annular frame, and the liquid drainage box is communicated with the liquid guide hole.
5. The sealing plate with good sealing effect as claimed in claim 2, characterized in that: The positioning mechanism comprises: A positioning frame and a connection box are respectively fixedly mounted on the two arc-shaped plates, and a fixing block of the positioning frame is slidably connected with the connection box; A connection block provided in the connection box; A clamping block is fixedly installed in the connecting block, and the clamping block is clamped on one side of the fixing block.
6. The sealing plate with good sealing effect as claimed in claim 5, characterized in that: A thermal insulation pad is installed in the connection box, a sliding rod is fixedly installed in the connection box, a return spring is sleeved on the sliding rod, two ends of the return spring are respectively fixedly connected to the thermal insulation pad and the connecting block, a pull rod is slidably installed on the top of one side of the connection box, and the pull rod is fixedly connected to the connecting block.
7. The sealing plate with good sealing effect as claimed in claim 1, characterized in that: Two L-shaped plates are installed on the annular frame, and the two L-shaped plates are in contact with each other. A limiting plate is fixedly installed on one side of the sealing plate body, and the limiting plate is located above the two L-shaped plates. A fixing bolt is threadedly installed on the limiting plate, and the fixing bolt is threadedly connected to the two L-shaped plates.