CN219551145U - Tunnel kiln for annealing of alumina bricks - Google Patents
Tunnel kiln for annealing of alumina bricks Download PDFInfo
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- CN219551145U CN219551145U CN202223490201.3U CN202223490201U CN219551145U CN 219551145 U CN219551145 U CN 219551145U CN 202223490201 U CN202223490201 U CN 202223490201U CN 219551145 U CN219551145 U CN 219551145U
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- heat preservation
- baffle
- rollers
- annealing
- support
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Abstract
The utility model discloses a tunnel kiln for annealing aluminum oxide bricks, which comprises a main body, wherein a heat preservation cavity is arranged in the main body, a plurality of first rollers are rotationally arranged in the heat preservation cavity, one end of an inlet of the heat preservation cavity is rotationally provided with a bracket, a plurality of second rollers are rotationally arranged in the bracket, a baffle is arranged on the bracket, and the bracket is provided with a first state for driving each second roller and each first roller to be at the same horizontal height in a rotation stroke and a second state for driving the baffle to seal the inlet of the heat preservation cavity. According to the utility model, the rotatable support is arranged, and in the first state of the rotation stroke of the support, the second rollers and the first rollers are at the same horizontal height, so that alumina bricks to be annealed can conveniently enter the heat preservation cavity, and after batch alumina bricks enter, the support rotates to the second state, so that the baffle is driven to block the inlet of the sealed heat preservation cavity, and the influence of the conveying structure on the sealing property of the inlet of the heat preservation cavity is eliminated.
Description
Technical Field
The utility model relates to the technical field of alumina brick production, in particular to a tunnel kiln for annealing alumina bricks.
Background
The alumina brick is prepared from pure alumina powder (Al 2 O 3 ) And zirconia (ZrO) 2 ) 65% of silicon dioxide (SiO 2 ) About 34% of zircon sand is melted in an electric arc furnace and then poured into a mold to be cooled to form a white solid, and the rock phase structure of the white solid consists of eutectoid of corundum and zircon and glass phase, which are eutectoid of corundum phase and zircon phase in terms of phase, and the glass phase is filled between crystals of the eutectoid.
The existing aluminum oxide bricks are all required to be annealed after casting, and for batch aluminum oxide brick production, the aluminum oxide bricks are concentrated into a tunnel kiln for heat preservation and annealing after casting. In order to ensure the entering and subsequent moving of the annealed product, a conveying mechanism is arranged in the tunnel kiln, and the conveying mechanism often extends out from an inlet of the tunnel kiln to provide convenience, so that the inlet of the tunnel kiln is not easy to be closed, the heat preservation effect of the tunnel kiln after the annealed product is stored is affected, and therefore, a tunnel kiln for annealing aluminum oxide bricks is needed to solve the problems.
Disclosure of Invention
The utility model aims to provide a tunnel kiln for annealing aluminum oxide bricks, which aims to solve the defects in the prior art.
In order to achieve the above object, the present utility model provides the following technical solutions:
the utility model provides an alumina brick is tunnel cave for annealing, includes the main part, be provided with the heat preservation chamber in the main part, the heat preservation intracavity rotation is provided with a plurality of first cylinders, the one end rotation of heat preservation chamber import is provided with the support, the rotation is provided with a plurality of second cylinders in the support, be provided with the baffle on the support, the support has the first state that drives each second cylinder and each first cylinder and locate same level's first state and drive the second state that the baffle closed the heat preservation chamber import altogether in the rotation stroke.
Preferably, the baffle is hinged with a vertical rod, and the vertical rod supports the bracket in the first state and limits the bracket in the second state.
Preferably, the end of the upright rod, which is close to the baffle, is provided with a magnetic attraction piece, and the baffle is provided with a ferromagnetic metal piece.
Preferably, the main body is provided with a clamp matched with the vertical rod at the upper side of the inlet of the heat preservation cavity.
Preferably, a plurality of first cylinders are arranged in a linkage manner through a plurality of belt pulley transmission assemblies which are arranged on two opposite sides of the main body in a staggered manner, a motor is arranged on the main body, and the output end of the motor is coaxially connected with one of the first cylinders.
Preferably, a plurality of second rollers are arranged in a linkage manner through sprocket transmission assemblies arranged in the bracket in a staggered manner, and one of the second rollers is hinged with the main body and is linked with the adjacent first roller.
In the technical scheme, the utility model has the beneficial effects that:
this tunnel cave for alumina brick annealing is through setting up rotatable support, under the first state of support rotation stroke, each second cylinder and each first cylinder are the same level in the same place, and the heat preservation chamber import keeps opening, at this moment, can conveniently wait to anneal the alumina brick and get into the heat preservation intracavity, wait to wait that the alumina brick gets into in batches after, the support rotates to the second state to drive the baffle and shelter from the import that seals the heat preservation chamber, eliminated the influence of conveying structure to heat preservation chamber import closure, promoted the heat preservation effect of this tunnel cave.
Drawings
Fig. 1 is a schematic cross-sectional front view of a bracket according to an embodiment of the present utility model in a first state;
FIG. 2 is an enlarged schematic view of FIG. 1A according to an embodiment of the present utility model;
FIG. 3 is a schematic cross-sectional front view of a bracket according to an embodiment of the present utility model in a second state;
FIG. 4 is an enlarged schematic view of the structure shown in FIG. 3B according to an embodiment of the present utility model;
FIG. 5 is a schematic side view of a cross-sectional structure according to an embodiment of the present utility model;
fig. 6 is a schematic top view of a cross-sectional structure according to an embodiment of the present utility model.
Reference numerals illustrate:
1. a main body; 2. a heat preservation cavity; 3. a first roller; 4. a bracket; 5. a second drum; 6. a baffle; 7. a vertical rod; 8. a magnetic attraction piece; 9. a clip; 10. a pulley drive assembly; 11. a motor; 12. and a sprocket drive assembly.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present disclosure more apparent, the technical solutions of the embodiments of the present disclosure will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present disclosure.
Referring to fig. 1-6, a tunnel kiln for annealing aluminum oxide bricks provided by the embodiment of the utility model comprises a main body 1, wherein a heat preservation cavity 2 is arranged in the main body 1, a plurality of first rollers 3 are rotatably arranged in the heat preservation cavity 2, a bracket 4 is rotatably arranged at one end of an inlet of the heat preservation cavity 2, a plurality of second rollers 5 are rotatably arranged in the bracket 4, a baffle 6 is arranged on the bracket 4, and the bracket 4 has a first state of driving each second roller 5 and each first roller 3 to be at the same horizontal height and a second state of driving the baffle 6 to seal the inlet of the heat preservation cavity 2 in a rotating process.
Specifically, a front-back through channel is arranged in the main body 1, namely a heat preservation cavity 2, and the main body 1 is provided with a certain wall thickness and has a heat preservation effect; a plurality of constant temperature lamp tubes are arranged in the heat preservation cavity 2; one end of the outlet of the heat preservation cavity 2 is provided with a rotatable door, and the door and the plug form an opening and closing structure in the prior art through limiting rotation between the plug and the main body 1, and the details are not repeated here; the first rollers 3 are arranged at the same horizontal height in the heat preservation cavity 2 and are arranged in parallel at intervals, and the distance between two adjacent first rollers 3 is not larger than the span of the alumina bricks passing through the first rollers; the first roller 3 can convey the alumina bricks entering from the inlet of the heat preservation cavity 2 to the outlet direction through rolling, when the outlet is closed, the alumina bricks are propped against the door with the outlet closed, and the bottom of the alumina bricks slides with the first roller 3, so that a plurality of alumina bricks are conveyed into the deep part of the heat preservation cavity 2 one by one; the bracket 4 is two plate bodies, and is respectively attached to opposite side walls in the heat preservation cavity 2 for rotation; the first state of support 4 rotates to the state of horizontal position to the direction outside the heat preservation chamber 2 promptly, and at this moment, first cylinder 3 and second cylinder 5 go out a level with one, constitute whole conveying structure, and the second state of support 4 rotates to the state of vertical position to the direction in the heat preservation chamber 2 promptly, and baffle 6 can just vertically shelter from the import in heat preservation chamber 2 this moment, and first cylinder 3 has also been in heat preservation chamber 2 inboard, when having realized heat preservation chamber 2 import and sealed heat preservation from this, eliminated conveying structure to heat preservation chamber 2 import closure's hindrance and influence.
Compared with the prior art, the tunnel kiln for annealing the alumina bricks is provided with the rotatable support 4, the second rollers 5 and the first rollers 3 are positioned at the same horizontal height in the first state of the rotation stroke of the support 4, the inlet of the heat preservation cavity 2 is kept open, at the moment, alumina bricks to be annealed can conveniently enter the heat preservation cavity 2, after the alumina bricks enter in batches, the support 4 rotates to the second state, so that the baffle 6 is driven to shield and seal the inlet of the heat preservation cavity 2, the influence of a conveying structure on the sealing of the inlet of the heat preservation cavity 2 is eliminated, and the heat preservation effect of the tunnel kiln is improved.
As a preferred technical scheme of the embodiment, the baffle 6 is hinged with a vertical rod 7, the vertical rod 7 supports the support 4 in the first state and limits the support 4 in the second state, and particularly, the support 4 is in a cantilever structure when in the first state, at this time, the vertical rod 7 supports one end of the support 4 far away from the heat preservation cavity 2 through the baffle 6, so that the stability of the first state of the support 4 is ensured; when the support 4 is in the second state, the support 4 needs to be kept in position to ensure the effect of sealing the heat preservation cavity 2, and at the moment, the vertical rod 7 is used for limiting the support 4.
As a further preferable technical scheme of the embodiment, a magnetic attraction piece 8 is arranged at the end part of the upright rod 7 close to the baffle plate 6, the baffle plate 6 is arranged as a ferromagnetic metal piece, and specifically, referring to fig. 2, the length of the upright rod 7 is consistent with the height from the ground where the baffle plate 6 is driven in the first state of the bracket 4; one hinged side of the upright rod 7 and the baffle 6 is arranged on one side far away from the heat preservation cavity 2, namely, the clockwise rotation of the upright rod 7 is limited by the baffle 6, the baffle 6 is just perpendicular to the limit position of the clockwise rotation of the upright rod 7, and the magnetic attraction piece 8 is driven to attract the baffle 6, so that the upright rod 7 can stably support the support 4 in the first state.
As a further preferable technical scheme of this embodiment, a clip 9 matched with the upright post 7 is disposed on the upper side of the inlet of the heat-preserving cavity 2 on the main body 1, specifically, referring to fig. 4, the size of a bayonet disposed on the clip 9 is matched with that of the upright post 7, when the bracket 4 rotates to a second state of vertically shielding the opening of the heat-preserving cavity 2, the upright post 7 can rotate upwards to be clamped with the clip 9, thereby limiting the continued rotation of the bracket 4.
As a preferred technical solution of this embodiment, the plurality of first rollers 3 are linked and disposed through a plurality of pulley transmission assemblies 10 disposed on opposite sides of the main body 1 in a staggered manner, a motor 11 is mounted on the main body 1, an output end of the motor 11 is coaxially connected with one of the first rollers 3, specifically, the plurality of first rollers 3 rotate synchronously and in the same direction through the pulley transmission assemblies 10, and the motor 11 drives one of the first rollers 3 to rotate so as to make each of the first rollers 3 rotate synchronously.
As a preferred technical solution of the present embodiment, the plurality of second rollers 5 are disposed in a linkage manner by means of sprocket transmission assemblies 12 disposed in the brackets 4 in a staggered manner, wherein one second roller 5 is hinged to the main body 1 and is linked with the adjacent first roller 3, specifically, the rotational connection position of the brackets 4 and the heat preservation chamber 2 corresponds to the rotation axis of the second roller 5 linked with the first roller 3, that is, the rotation axis of the second roller 5 linked with the first roller 3 is hinged to the main body 1 and simultaneously serves as the rotation axis of the brackets 4 and is also linked with the adjacent first roller 3 by means of the pulley transmission assembly 10.
Working principle: firstly, the bracket 4 rotates to a first horizontal state in a direction away from the opening of the heat preservation cavity 2, and drives each second roller 5 and the first roller 3 to be at the same horizontal height, then, the upright rod 7 is rotated to a position perpendicular to the baffle 6, the magnetic attraction piece 8 is also attracted and fixed with the baffle 6, and the upright rod 7 can stably support one end of the bracket 4, which is suspended outside the heat preservation cavity 2, through the baffle 6; then, starting the motor 11, and under the linkage of the motor 11 and the belt wheel transmission assembly 10 and the chain wheel transmission assembly 12, synchronously rotating each first roller 3 and each second roller 5, at the moment, placing batches of alumina bricks to be annealed on the second rollers 5 one by one, and automatically conveying each alumina brick into the heat preservation cavity 2 by the rolling first roller 3 and the second roller 5, wherein the outlet of the heat preservation cavity 2 is kept closed; after the batch of alumina bricks enter the heat preservation cavity 2, the support 4 is rotated towards the direction close to the opening of the heat preservation cavity 2 to switch to a second state, so that the baffle 6 is driven to shield the inlet of the closed heat preservation cavity 2, then the upright rod 7 is rotated upwards to be clamped with the clamp 9, further the continuous rotation of the support 4 is limited, and the inlet of the heat preservation cavity 2 is kept closed. The structure eliminates the influence of the conveying structure on the sealing of the inlet of the heat preservation cavity 2, and improves the heat preservation effect of the tunnel kiln.
Claims (6)
1. The utility model provides an alumina brick is tunnel cave for annealing, includes main part (1), its characterized in that, be provided with heat preservation chamber (2) in main part (1), the rotation of heat preservation chamber (2) is provided with a plurality of first cylinders (3), the one end rotation of heat preservation chamber (2) import is provided with support (4), the rotation of support (4) is provided with a plurality of second cylinders (5), be provided with baffle (6) on support (4), support (4) have in the rotation stroke drive each second cylinder (5) and each first cylinder (3) co-located same level's first state and drive the second state that heat preservation chamber (2) import was sealed to baffle (6).
2. Tunnel kiln for annealing alumina bricks according to claim 1, characterized in that said baffle (6) is hinged with uprights (7), said uprights (7) supporting the supports (4) in the first condition and limiting the supports (4) in the second condition.
3. Tunnel kiln for annealing alumina bricks according to claim 2, characterized in that the end of the upright (7) close to the baffle (6) is provided with a magnetic attraction piece (8), the baffle (6) being provided as a ferromagnetic metal piece.
4. Tunnel kiln for annealing alumina bricks according to claim 2, characterized in that clips (9) matching with the uprights (7) are arranged on the main body (1) at the upper side of the inlet of the heat preservation chamber (2).
5. Tunnel kiln for annealing alumina bricks according to claim 1, characterized in that a plurality of first rollers (3) are arranged in linkage through a plurality of belt pulley transmission assemblies (10) which are arranged on two opposite sides of the main body (1) in a staggered way, a motor (11) is mounted on the main body (1), and the output end of the motor (11) is coaxially connected with one of the first rollers (3).
6. Tunnel kiln for annealing alumina bricks according to claim 1, characterized in that a plurality of said second rollers (5) are set up in linkage by means of sprocket drive assemblies (12) arranged in staggered manner in the brackets (4), one of said second rollers (5) being hinged to the main body (1) and in linkage with the adjacent first roller (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223490201.3U CN219551145U (en) | 2022-12-27 | 2022-12-27 | Tunnel kiln for annealing of alumina bricks |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223490201.3U CN219551145U (en) | 2022-12-27 | 2022-12-27 | Tunnel kiln for annealing of alumina bricks |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219551145U true CN219551145U (en) | 2023-08-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223490201.3U Active CN219551145U (en) | 2022-12-27 | 2022-12-27 | Tunnel kiln for annealing of alumina bricks |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219551145U (en) |
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2022
- 2022-12-27 CN CN202223490201.3U patent/CN219551145U/en active Active
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