CN219493052U - Fast-assembling formula sintering machine seal assembly and sintering machine - Google Patents
Fast-assembling formula sintering machine seal assembly and sintering machine Download PDFInfo
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- CN219493052U CN219493052U CN202320813264.3U CN202320813264U CN219493052U CN 219493052 U CN219493052 U CN 219493052U CN 202320813264 U CN202320813264 U CN 202320813264U CN 219493052 U CN219493052 U CN 219493052U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
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- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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Abstract
Fast-assembling sintering machine seal assembly and sintering machine, seal assembly is used for sealing the clearance between the bellows top and the platform truck bottom of sintering machine, includes: sealing the slideway; the flexible sealing plate is matched with the sealing slide rail to form a sealed, the flexible sealing plate comprises a fixing part and a sealing part, the first surface of the sealing slide rail is opposite to the sealing part, and the sealing part can be attached to the first surface of the sealing slide rail under the action of negative pressure in the bellows; a sealing plate mounting portion for mounting the flexible sealing plate, the sealing plate mounting portion including a side plate and a bottom plate; the pressing plate is arranged on the bottom plate and presses the fixing part on the side plate; the locking lug is rotatably arranged on the bottom plate and is provided with a protruding part, and when the locking lug rotates, the protruding part can be contacted with the pressing plate and push the pressing plate to a direction close to the side plate, so that the pressing plate presses the fixing part on the side plate, or the protruding part is separated from the pressing plate.
Description
Technical Field
The utility model belongs to the technical field of metallurgical equipment, and particularly relates to a sealing assembly for sealing a bellows and a trolley of a sintering machine and the sintering machine.
Background
Sintering is an important process for iron and steel production, and provides a high-quality raw material for blast furnace ironmaking. The sintering machine mainly comprises a head wheel, a tail wheel, a transmission part, a track, an ignition furnace, an exhaust system, a trolley and an air box, wherein the trolley is positioned above the air box of the sintering machine, mineral aggregate is loaded in the trolley, and the trolley moves above the air box along trolley tracks on two sides of the top of the air box during sintering. After the ignition furnace ignites the top of the mineral aggregate in the trolley, the air draft system is used for draft air below the trolley through the air box, so that negative pressure is formed in the air box below the trolley, and the mixture is sintered downwards from the top of the trolley.
A certain gap exists between the bottom of the trolley and the top of the bellows, and the gap causes more than 40% of air leakage of the sintering machine, so that the influence on the output, quality and energy consumption of the sintering machine is great. In order to reduce the air leakage rate and enable the air box to achieve a good air suction effect, it is necessary to ensure that reliable sealing is formed between the air box and the trolley of the sintering machine, and no air leakage is generated or as little air leakage as possible is generated. The flexible sealing is a sealing technology which is increasingly applied in recent years, and is characterized in that a flexible sealing plate is arranged on a trolley or a bellows, and the flexible sealing plate is attached to a sealing matching surface corresponding to the bellows or the trolley by utilizing the negative pressure effect formed when the bellows is used for exhausting air, so that the sealing effect on a gap between the bottom of the trolley and the top of the bellows is achieved. Because of the flexible structure of the sealing plate, the sealing plate can always keep good contact with the sealing matching surface under the action of negative pressure in the bellows, so that the sealing plate has better sealing effect compared with a sliding plate-sliding way structure. However, the flexible sealing plate is a wearing part and needs to be replaced periodically, so that the replacement and installation of the sealing plate can be realized conveniently and rapidly, the shutdown time is shortened, and the efficiency is improved.
Disclosure of Invention
The utility model aims to provide a quick-assembly type sintering machine sealing assembly which is convenient to replace and install.
In order to achieve the above object, the present utility model adopts the following technical solutions:
a fast-assembling sintering machine sealing assembly for sealing a gap between a top of a bellows and a bottom of a trolley of a sintering machine, comprising: sealing the slideway; the flexible sealing plate comprises a fixed part and a sealing part, the first surface of the sealing slide is opposite to the sealing part, and the sealing part can be attached to the first surface of the sealing slide under the action of negative pressure in the bellows; a seal plate mounting portion for mounting the flexible seal plate, the seal plate mounting portion including a side plate and a bottom plate; the pressing plate is arranged on the bottom plate and presses the fixing part to the side plate; the locking lug is rotatably arranged on the bottom plate and is provided with a protruding part, and when the locking lug rotates, the protruding part can be in contact with the pressing plate and push the pressing plate to a direction close to the side plate, the pressing plate can press the fixing part on the side plate, or the protruding part can be separated from the pressing plate.
Further, an assembly groove is formed in the pressing plate, the assembly groove corresponds to the locking lug, an opening of the assembly groove faces the locking lug, and when the locking lug rotates, the protruding portion can extend into the assembly groove and prop against the side wall of the assembly groove.
Further, the protruding portion protrudes into the fitting groove and presses against the bottom surface of the fitting groove.
Further, the assembly groove is an arc groove, and the arc side wall of the assembly groove is opposite to the locking lug.
Further, the locking lug further comprises a rotating handle.
Further, the cross section of the flexible sealing plate is L-shaped, the sealing part and the fixing part are connected into a whole, and the included angle between the sealing part and the fixing part is more than or equal to 80 degrees and less than or equal to 180 degrees.
Further, the sealing slide way is arranged at the bottom of the trolley, and the sealing plate mounting part is arranged at the top of the air box.
Further, the sealing plate mounting portion is independent of the top of the air box, the sealing plate mounting portion is mounted on the top of the air box through bolts, and a heat-resistant backing plate is arranged between the side plate and the flexible sealing plate.
Further, one side of the side plate, which is positioned in the bellows, is provided with a heat-resistant acid-resistant ceramic layer.
Further, the sealing slide way is arranged at the top of the air box, and the sealing plate mounting part is arranged at the bottom of the trolley.
The utility model also provides a sintering machine, which comprises an air box and a trolley arranged above the air box, wherein a sealing assembly is arranged between the top of the air box and the bottom of the trolley, and the sealing assembly is the quick-assembly sintering machine sealing assembly.
According to the technical scheme, the flexible sealing plate is installed and fixed by the pressing plate and the locking convex blocks, the pressing plate is used for pressing the flexible sealing plate, the locking convex blocks are used for locking or unlocking the pressing plate, the locking or loosening state of the pressing plate to the flexible sealing plate can be switched by rotating the locking convex blocks, and compared with the mode of installing the flexible sealing plate by using bolts, fastening pieces and other fastening pieces, the flexible sealing plate is convenient to assemble and disassemble, the steps of installing and replacing the flexible sealing plate are greatly simplified, site construction is convenient, equipment overhaul is more rapid, and therefore the downtime can be shortened, the efficiency is improved, the production cost is reduced, and the effects of convenient installation, time saving, safety and high efficiency of the sealing plate are achieved.
Drawings
Fig. 1 is a schematic structural view of a seal assembly according to embodiment 1 of the present utility model.
Fig. 2 is a view in the direction of the arrow in fig. 1.
FIG. 3 is a schematic view showing the structure of a platen lock tab and a platen according to embodiment 1 of the present utility model;
FIG. 4 is a schematic view showing another angle between the platen lock tab and the platen according to embodiment 1 of the present utility model;
FIG. 5 is a schematic view showing the structure of a platen lock tab and a platen according to embodiment 2 of the present utility model;
fig. 6 is a schematic view showing the structure of the platen locking projection and the platen according to embodiment 3 of the present utility model.
The following describes the embodiments of the present utility model in further detail with reference to the drawings.
Detailed Description
In describing embodiments of the present utility model in detail, the drawings showing the structure of the device are not to scale locally for ease of illustration, and the schematic illustrations are merely examples, which should not limit the scope of the utility model. It should be noted that the drawings are in simplified form and are not to scale precisely, but rather are merely intended to facilitate and clearly illustrate the embodiments of the present utility model. Meanwhile, in the description of the present application, the terms "first", "second", and the like are used only to distinguish the description, and are not to be construed as indicating or implying relative importance or implying the number of technical features indicated; the terms "forward," "reverse," "bottom," "upper," "lower," and the like are used for convenience in describing and simplifying the description only, and do not denote or imply that the devices or elements being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the utility model.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; the two components can be directly connected or indirectly connected through an intermediate medium, or can be communicated inside the two components, or can be connected wirelessly or in a wired way. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Example 1
The sintering machine mainly comprises a frame, wherein parts such as a head wheel, a tail wheel, a transmission mechanism, a track, an ignition furnace, a trolley, an air box and the like are arranged on the frame, the air box is communicated with an air draft system through an air pipe, and when the air draft system is used for exhausting air, a negative pressure state is formed in the air box. The trolley is positioned above the bellows, mineral aggregate is loaded in the trolley, and the trolley moves above the bellows along rails on two sides of the top of the bellows during sintering. In order to ensure a sealing effect between the bottom of the trolley and the top of the bellows, a sealing assembly is usually provided between the bottom of the trolley and the top of the bellows.
As shown in fig. 1, 2, 3 and 4, the sealing assembly of the rapid sintering machine of the present embodiment includes a sealing slideway 1, a flexible sealing plate 2, a sealing plate mounting part 3, a pressing plate 4 and a pressing plate locking protrusion 5. The sealing slide 1 of the present embodiment is mounted at the bottom of the trolley and the flexible sealing plate 2 is mounted at the top of the bellows 100. The sealing slide way 1 of the present utility model may be a sealing slide way with a fixed length, or may be a sealing slide way with an adjustable length, such as the sealing slide way with an adjustable length disclosed in the chinese patent of patent No. ZL2017200605145, and the structural form of the sealing slide way is not limited herein. The sealing slide way 1 can be connected with the trolley through the bolts 6, and the sealing slide way 1 can be directly arranged on the bottom surface of the trolley or in a groove processed on the bottom surface of the trolley. The extending direction of the sealing slide way 1 is consistent with the length direction of the trolley, and the length direction of the trolley is the dimension of the trolley along the advancing direction. The sealing slide way 1 can be equal in length to the trolley. The sealing slide way 1 can be made of stainless steel, cast iron and other materials, and the bottom surface of the sealing slide way 1 is processed into a smooth surface so as to realize good contact with the flexible sealing plate 2. In other embodiments, the sealing ramp 1 may be of unitary construction with the trolley, i.e. the sealing ramp 1 is part of the trolley body itself. The sealing slide 1 and the trolley in the embodiment are of a split structure, namely, the sealing slide 1 and the trolley are two mutually independent components, and the sealing slide 1 is connected with the trolley through fasteners such as bolts or by adopting a welding process.
The flexible sealing plate 2 is made of a material with certain elasticity and heat resistance, such as high-temperature wear-resistant rubber and the like. The flexible sealing plate 2 is arranged at the top of the bellows 100, and the extending direction of the flexible sealing plate 2 is consistent with that of the sealing slide way 1. The flexible sealing plate 2 comprises a sealing part 2-1 and a fixing part 2-2, the fixing part 2-2 is used for realizing the installation and the fixation of the flexible sealing plate 2, and the sealing part 2-1 is used for realizing the sealing fit between the flexible sealing plate 2 and the sealing slide way 1. When the sintering machine works, the sealing part 2-1 of the flexible sealing plate 2 is attached to the first surface of the sealing slide way 1 under the action of negative pressure in the bellows (the surface of the sealing slide way 1 opposite to the flexible sealing plate 2 is the first surface). The sealing portion 2-1 and the fixing portion 2-2 are integrally connected, and the cross-sectional shape of the flexible sealing plate 2 in this embodiment is approximately L-shaped, alternatively, the included angle between the sealing portion 2-1 and the fixing portion 2-2 is greater than or equal to 80 ° and less than or equal to 180 °, and the included angle between the sealing portion 2-1 and the fixing portion 2-2 is preferably an obtuse angle or 90 °.
The flexible sealing plate 2 of the present embodiment is mounted on top of the bellows 100 by a sealing plate mounting portion 3. The sealing plate mounting portion 3 has an L-shaped vertical cross-sectional shape, and includes a bottom plate 3-1 and side plates 3-2, the bottom plate 3-1 being fixed to the top of the bellows 2 by welding or by using fasteners such as bolts, the bottom plate 3-1 of the present embodiment being mounted to the top of the bellows 2 by bolts (not numbered). The side plate 3-2 is opposite to the fixed part 2-2 of the flexible sealing plate 2, and the fixed part 2-2 is abutted against the side plate 3-2. The sealing between the flexible sealing plate 2 and the sealing slide way 1 is formed by attaching the sealing part 2-1 of the flexible sealing plate 2 and the sealing slide way 1 together under the action of negative pressure in the bellows when the sintering machine is in operation. When the sintering machine does not operate, the flexible sealing plate 2 and the sealing slide way 1 can be in clearance fit, namely the flexible sealing plate 2 and the sealing slide way 1 are not contacted when no negative pressure acts, or in contact fit, namely the flexible sealing plate 2 and the sealing slide way 1 can be naturally attached when no negative pressure acts, but no matter which fit mode is adopted by the flexible sealing plate 2 and the sealing slide way 1 when the sintering machine does not operate, the negative pressure in the bellows can enable the flexible sealing plate 2 and the sealing slide way 1 to be attached together to form a seal when the sintering machine does not operate, so the utility model does not limit the fit mode between the flexible sealing plate 2 and the sealing slide way 1 when the sintering machine does not operate, namely the flexible sealing plate 2 and the sealing slide way 1 can be attached to each other or are not attached to each other and separated from each other when the sintering machine does not operate.
The pressing plate 4 is arranged on the bottom plate 3-1, the pressing plate 4 is positioned on one side of the fixed part 2 opposite to the side plate 3-2, and the fixed part 2-2 is pressed on the side plate 3-2 through the pressing plate 4. The locking lug 5 is arranged on the bottom plate 3-1 through a rotating shaft (not shown), the axis of the rotating shaft is perpendicular to the bottom plate 3-1, and the locking lug 5 can rotate around the rotating shaft. The locking lug 5 is provided with a protruding part 5a, when the locking lug 5 is rotated, the protruding part 5a can be propped against the pressing plate 4, so that the flexible sealing plate 2 is pressed on the side plate 3-2 through the pressing plate 4, and the flexible sealing plate 2 is fixed.
Preferably, in order to facilitate the rotation of the locking lug 5, the locking lug 5 of this embodiment further includes a rotating handle 5b, and the locking lug 5 can be rotated conveniently and rapidly by pulling the rotating handle 5 b. When the locking lug 5 is rotated until the protruding part 5a is not contacted with the pressing plate 4, the pressing plate 4 is unlocked, after the pressing plate 4 is loosened, a gap is formed between the pressing plate 4 and the fixing part 2-2, maintenance work such as replacement and the like can be performed on the flexible sealing plate 2, and when the locking lug 5 is rotated until the protruding part 5a is contacted with the pressing plate 4 and the tip of the protruding part 5a is pressed against the pressing plate 4, the pressing plate 4 can be locked, the pressing plate 4 is not movable, and the installation and the fixation of the flexible sealing plate 2 are completed.
Optionally, in order to better match the locking protrusion 5 and the pressing plate 4, prevent the two from moving relatively in the extending direction of the pressing plate 4 (i.e. the extending direction of the flexible sealing plate 2), and prevent the pressing plate 4 from moving up and down in the vertical direction, in this embodiment, an assembling groove 4a is provided on the pressing plate 4, a protrusion 5a of the locking protrusion 5 may extend into the assembling groove 4a and prop against a side wall of the assembling groove 4a, and the protrusion 5a may also press against a bottom surface of the assembling groove 4a at the same time, so that the locking protrusion 5 may press the pressing plate 4 in a direction close to the side plate 3-2, or may press the pressing plate 4 in the vertical direction, and the pressing plate 4 is limited by the protrusion 5a and is pressed between the protrusion 5a and the bottom plate 3-1, and cannot move up and down. Further alternatively, the fitting groove 4a is an arc-shaped groove, the arc-shaped side wall of the fitting groove 4a and the locking projection 5 are disposed opposite to each other, and the opening side of the fitting groove 4a faces the locking projection 5.
The locking projection 5 can be rotated to a locking position or an unlocking position when rotated around the rotation axis. Fig. 4 is a schematic view of the locking protrusion 5 in the locked position, where the protrusion 5a of the locking protrusion 5 contacts the pressing plate 4, so that the pressing plate 4 and the flexible sealing plate 2 are pushed against the side plate 3-2 together, and the flexible sealing plate 2 can be installed and fixed. When the locking projection 5 is rotated until the protrusion 5a thereof is separated from the pressing plate 4, the pressing plate 4 is released, so that the flexible sealing plate 2 can be taken out and replaced.
Further alternatively, a heat-resistant backing plate 7 is arranged between the side plate 3-2 and the flexible sealing plate 2, and the heat-resistant backing plate 7 has a heat insulation effect, so that heat in the bellows can be reduced from being radiated outwards and conducted to the flexible sealing plate 2, and the service life of the flexible sealing plate 2 is prolonged. The heat-resistant backing plate 7 can be provided with one or more layers according to the requirements. Further, a heat-resistant and acid-resistant ceramic spray material layer 8 is provided on the side of the side plate 3-2 located in the windbox 100.
Example 2
As shown in fig. 5, this embodiment is different from embodiment 1 in that: the locking projection 5 of this embodiment is cam-shaped, and the locking projection 5 has no handle.
Example 3
As shown in fig. 6, this embodiment is different from embodiment 1 in that: the locking projection 5 of the present embodiment is substantially L-shaped and has two protruding portions 5a, and when the locking projection 5 is rotated in different directions, the locking projection can be rotated to the locking position quickly.
According to the utility model, the flexible sealing plate is fixed through the matching of the locking lug and the pressing plate, the locking lug can rotate to enable the pressing plate to be in a locking state or an unlocking state, the state of the rotating pressing plate can be easily switched by simply rotating the locking lug, and the sealing plate is not required to be fixed by using parts such as bolts and the like, so that the steps of installing and replacing the flexible sealing plate are greatly simplified, the flexible sealing plate can be quickly installed and overhauled, the installation and overhauling cost is lower, and the sealing effect is good. And can install on former equipment basis, need not to change former sealed slide bottom plate, convenient, swift, effective.
Of course, the technical concept of the present utility model is not limited to the above embodiment, and many different specific schemes can be obtained according to the concept of the present utility model, for example, in the above embodiment, the sealing slide is installed on the trolley, the flexible sealing plate is installed on the top of the bellows, but the installation positions of the sealing slide and the flexible sealing plate can also be replaced, the sealing slide is installed on the top of the bellows, the flexible sealing plate is installed on the bottom of the trolley, the sealing plate installation part is arranged on the bottom of the trolley, the pressing plate and the locking protrusion are correspondingly installed on the sealing plate installation part located on the bottom of the trolley, and after the installation positions of the sealing slide and the flexible sealing plate are interchanged, the sealing performance between the sealing slide and the flexible sealing plate is not affected; in addition, in the embodiment, the sealing plate mounting part is an independent component and needs to be connected with the top of the air box or the trolley through a fastener such as welding or a bolt, but the sealing plate mounting part can also be of an integrated structure with the top of the air box or the trolley, for example, when the top of the air box is of a proper L-shaped structure, for example, the structure of the top of the air box is provided with a horizontal bottom plate and a vertical side plate, the horizontal bottom plate and the vertical side plate form the L-shaped sealing plate mounting part, and the flexible sealing plate, the pressing plate and the locking lug can also be directly mounted on the top of the air box, and in the same way, when the bottom of the trolley is of a proper L-shaped structure, for example, a groove machined in the bottom of the trolley, the side wall of the groove can be equivalent to the side plate, the bottom wall can be equivalent to the bottom plate, and the flexible sealing plate, the pressing plate and the locking lug can also be directly mounted on the bottom of the trolley, but the sealing plate mounting part is used as an independent component, and is more convenient to process and mount; such modifications and equivalents are intended to be included within the scope of the present utility model.
Claims (11)
1. The utility model provides a fast-assembling formula sintering machine sealing assembly for seal the clearance between bellows top and the platform truck bottom of sintering machine, its characterized in that includes:
sealing the slideway;
the flexible sealing plate comprises a fixed part and a sealing part, the first surface of the sealing slide is opposite to the sealing part, and the sealing part can be attached to the first surface of the sealing slide under the action of negative pressure in the bellows;
a seal plate mounting portion for mounting the flexible seal plate, the seal plate mounting portion including a side plate and a bottom plate;
the pressing plate is arranged on the bottom plate and presses the fixing part to the side plate;
the locking lug is rotatably arranged on the bottom plate and is provided with a protruding part, and when the locking lug rotates, the protruding part can be in contact with the pressing plate and push the pressing plate to a direction close to the side plate, the pressing plate can press the fixing part on the side plate, or the protruding part is separated from the pressing plate.
2. The quick-fit sintering machine seal assembly of claim 1, wherein: the pressing plate is provided with an assembly groove which is arranged corresponding to the locking lug, an opening of the assembly groove faces to the locking lug, and when the locking lug rotates, the protruding part can extend into the assembly groove and prop against the side wall of the assembly groove.
3. The quick-fit sintering machine seal assembly of claim 2, wherein: the protruding portion protrudes into the fitting groove and presses against the bottom surface of the fitting groove.
4. The quick-fit sintering machine seal assembly of claim 2, wherein: the assembly groove is an arc groove, and the arc side wall of the assembly groove and the locking lug are oppositely arranged.
5. The quick-fit sintering machine seal assembly of claim 1, wherein: the locking lug also comprises a rotating handle.
6. The quick-fit sintering machine seal assembly of claim 1, wherein: the cross section of the flexible sealing plate is L-shaped, the sealing part and the fixing part are connected into a whole, and the included angle between the sealing part and the fixing part is more than or equal to 80 degrees and less than or equal to 180 degrees.
7. The quick-fit sintering machine seal assembly of claim 1, wherein: the sealing slide way is arranged at the bottom of the trolley, and the sealing plate mounting part is arranged at the top of the bellows.
8. The quick-fit sintering machine seal assembly of claim 7, wherein: the sealing plate installation part is independent of the top of the air box, the sealing plate installation part is installed on the top of the air box through bolts, and a heat-resistant backing plate is arranged between the side plate and the flexible sealing plate.
9. The quick-fit sintering machine seal assembly of claim 1, wherein: one side of the side plate, which is positioned in the bellows, is provided with a heat-resistant acid-resistant ceramic layer.
10. The quick-fit sintering machine seal assembly of claim 1, wherein: the sealing slide way is arranged at the top of the air box, and the sealing plate mounting part is arranged at the bottom of the trolley.
11. Sintering machine, including bellows, set up in the platform truck of bellows top, the bellows top with be provided with sealing member between the platform truck bottom, its characterized in that: the seal assembly is a quick-fit sintering machine seal assembly as claimed in any of claims 1 to 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320813264.3U CN219493052U (en) | 2023-04-12 | 2023-04-12 | Fast-assembling formula sintering machine seal assembly and sintering machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320813264.3U CN219493052U (en) | 2023-04-12 | 2023-04-12 | Fast-assembling formula sintering machine seal assembly and sintering machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219493052U true CN219493052U (en) | 2023-08-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320813264.3U Active CN219493052U (en) | 2023-04-12 | 2023-04-12 | Fast-assembling formula sintering machine seal assembly and sintering machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219493052U (en) |
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2023
- 2023-04-12 CN CN202320813264.3U patent/CN219493052U/en active Active
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