Refractory brick firing forming method and device

Abstract

The invention relates to a refractory brick firing forming method and device, and relates to the technical field of refractory brick production, and the refractory brick firing forming method comprises the following steps of preliminary drying operation, adjustment operation and secondary drying operation. According to the innovative three-stage drying method, the sealing plate of the adjusting plate is used for blocking the ventilation groove of the supporting plate in the initial stage, stable plane supporting is provided for the wet green bricks, deformation is prevented, and the shape stability of the wet green bricks is ensured. After the green bricks are shaped, the adjusting plate is turned over to be switched to the breathable net plate to expose the breathable groove, and the drying parameters and the airflow direction are adjusted, so that the drying airflow can fully penetrate through the bottoms of the green bricks. According to the staged and variable-condition drying strategy, the industrial problem that the bottoms of the green bricks are not dried smoothly due to contact with the supporting faces is effectively solved, it is ensured that all parts (especially the bottoms) of the brick bodies are dried uniformly and consistently, and therefore the overall quality of final products is remarkably improved, and the defects of cracking, deformation and the like are reduced.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of refractory brick production, in particular to a refractory brick firing forming method and device. BACKGROUND

[0002] In the production process of refractory bricks, a drying process is included, which is to improve the strength of the bricks, prevent damage during handling or loading into the kiln, and avoid cracking or bursting due to rapid evaporation of moisture during subsequent firing. Therefore, a dryer or indoor dryer is usually used to achieve the drying process, and the drying speed and temperature curve need to be controlled.

[0003] When the refractory bricks are drying, the stability of the bottom surface needs to be ensured to avoid affecting the quality of the bottom surface of the refractory bricks during drying. Therefore, the refractory bricks are usually placed directly on the plate, resulting in different drying effects on the bottom and the outer surface of the refractory bricks. When the refractory bricks are fired, the quality of the refractory bricks at the bottom is poorer than that of the refractory bricks above. SUMMARY

[0004] The present application provides a refractory brick firing forming method and device.

[0005] The present application solves the problem of poor drying effect caused by the contact between the bottom and the flat plate during the drying of refractory bricks in the prior art.

[0006] The present application can be implemented by the following technical solution: a refractory brick firing forming method, comprising the following steps: Preliminary drying operation: at this time, the adjustment plate is controlled by the side adjustment mechanism to shield the air permeable grooves on the support plate. The upper surface of the support plate is a plane, which can ensure the stability of the refractory bricks when placed. At this time, the drying function of the dryer is maintained; Adjustment operation: after drying for a certain period of time, the shape of the refractory bricks is stabilized. At this time, the adjustment plate is turned over by the side adjustment mechanism, so that the air permeable mesh plate at the bottom of the adjustment plate can expose the air permeable grooves on the support plate; Re-drying operation: adjust the drying parameters and air flow direction of the dryer, so that the drying gas emitted by the dryer can fully dry the bottom of the refractory bricks.

[0007] Further technical improvement of the present application is that in the adjustment operation, first, the winding roller is used to loosen the restriction function of the moving slider. Under the action of the compression spring, the connecting rod moves to the edge position. At this time, the connecting plate and the fixed plate are in contact and fixed. Under the action of the driving motor, the fixed plate is turned over, and at the same time, the adjustment plate is turned over, realizing the position adjustment of the adjustment plate.

[0008] Further technical improvements of the present application are that the height of the adjusting plate is controllable during use, the adjusting plate cooperates with the supporting plate when the adjusting plate moves to the highest end, and the adjusting plate cooperates with the connecting plate when the adjusting plate is at the lowest end.

[0009] Further technical improvements of the present application are that the supporting mechanism controls the rotation of the supporting bidirectional screw rod by using an external motor during use, so that the sliders symmetrically arranged on the supporting bidirectional screw rod can move towards each other, the supporting sleeve can be supported when the sliders move to the closest position, the adjusting plate can be supported to the highest position, and the supporting sleeve moves away from the adjusting plate when moving away from each other to the farthest position, so that the adjusting plate can be flipped.

[0010] The present application can be implemented by the following technical scheme: a refractory brick firing forming device, comprising a supporting plate fixedly installed in a heat preservation kiln, a side edge adjusting mechanism fixed to the side edge of the heat preservation kiln, an output end of the side edge adjusting mechanism detachably provided with an adjusting plate, and a supporting mechanism fixed to the bottom of the heat preservation kiln.

[0011] Further technical improvements of the present application are that the supporting plate comprises a supporting base plate, the supporting base plate is provided with an adjusting groove for cooperating with the adjusting plate, and the adjusting groove is uniformly provided with a ventilation groove, and the supporting base plate is provided with a limiting groove for limiting the adjusting plate.

[0012] Further technical improvements of the present application are that the adjusting plate comprises a first limiting plate and a second limiting plate, the first limiting plate and the second limiting plate are respectively fixedly installed at two ends of the adjusting plate, the first limiting plate and the second limiting plate respectively cooperate with the limiting groove, the side edge of the first limiting plate is fixedly provided with a ventilation mesh plate, the ventilation mesh plate is connected with the supporting plate when entering the inside of the adjusting groove, the side edge of the second limiting plate is fixedly provided with a sealing plate, the sealing plate is fixedly provided with a sealing gas, and the sealing protrusion cooperates with the ventilation groove.

[0013] Further technical improvements of the present application are that the supporting mechanism comprises a supporting bidirectional screw rod, the supporting bidirectional screw rod is provided with a sliding seat, the sliding seat is slidingly connected with the rack, the supporting bidirectional screw rod is provided with a supporting articulated rod, the other end of the supporting articulated rod is rotatably installed with a supporting sleeve, the supporting sleeve is longitudinally slidingly connected with the rack, the supporting sleeve is provided with a connecting sliding strip, and the connecting sliding strip is slidingly connected with the first limiting plate and the second limiting plate.

[0014] Further technical improvements of the present application are that the side edge adjusting mechanism comprises a pressing base fixedly installed on the rack, the pressing base is provided with a sliding groove, the inside of the sliding groove is fixedly provided with a limiting sliding rod, the limiting sliding rod is slidingly provided with a moving sliding block, the side edge of the moving sliding block is fixedly provided with a compression spring, the bottom of the moving sliding block is fixedly provided with a bottom sliding plate, the bottom sliding plate is fixedly provided with a pulling rope, the other end of the pulling rope is arranged on a winding roller, and the winding roller is driven by a motor.

[0015] Compared with the prior art, the present application has the following beneficial effects: 1、The present application uses the sealing plate of the adjusting plate to block the air permeable grooves of the support plate in the early stage, providing stable planar support for the wet brick body and preventing deformation, ensuring the shape stability. After the brick body is shaped, the adjusting plate is turned over to switch to the air permeable mesh plate to expose the air permeable grooves, and the drying parameters and airflow direction are adjusted to enable the drying airflow to fully penetrate the bottom of the brick body. This staged and variable drying strategy effectively solves the industry problem of poor drying of the bottom of the brick body due to contact with the support surface, ensuring uniform drying of all parts of the brick body (especially the bottom), thereby significantly improving the overall quality of the final product and reducing defects such as cracking and deformation.

[0016] 2、The present application realizes controllable and automatic switching between the two modes of "stable sealing support" and "bottom air permeable drying" through the cooperation of the side adjustment mechanism, support mechanism, and specially designed adjusting plate and support plate. The adjusting plate integrates sealing protrusions and air permeable mesh plates, and the support mechanism precisely controls the height and attitude of the adjusting plate through the support bidirectional screw and support sliding sleeve. This integrated design ensures seamless connection of the support and air permeable requirements of the brick body at different stages of the drying process, and the operation is reliable and precise.

[0017] 3、The mode conversion (from sealing to air permeable) of the entire drying stage of the present application can be automatically completed by controlling the motor (such as the driving motor and winding roller motor), reducing the need for manual handling or adjustment in traditional processes, facilitating the realization of automatic control of the drying process, improving production efficiency, and ensuring the consistency of process execution. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to facilitate understanding by those skilled in the art, the present application will be further described below with reference to the accompanying drawings.

[0019] Figure 1 is a schematic view of the position of the adjusting plate of the present application; Figure 2 is a schematic view of the structure of the side adjustment mechanism of the present application; Figure 3 is a schematic view of the structure of the connecting assembly of the present application; Figure 4 is a schematic view of the relative position of the support plate and the adjusting plate of the present application; Figure 5 is a schematic view of the structure of the support mechanism of the present application.

[0020] In the figure: 1, heat preservation kiln; 2, support plate; 21, limiting groove; 22, adjusting groove; 23, air permeable groove; 24, support base plate; 3, side edge adjusting mechanism; 31, pressing base; 32, compression spring; 33, moving sliding block; 34, connecting rod; 35, connecting base; 36, connecting plate; 37, fixed plate; 38, connecting assembly; 381, driving motor; 382, driving shaft; 383, connector; 384, pushing protrusion; 385, first hinged rod; 386, bidirectional screw rod; 387, rotating base; 388, second hinged rod; 389, rotating limiting seat; 39, limiting sliding rod; 310, bottom sliding plate; 311, pull rope; 312, winding roller; 4, adjusting plate; 41, first limiting plate; 42, second limiting plate; 43, sealing protrusion; 44, sealing plate; 45, air permeable mesh plate; 5, support mechanism; 51, support bidirectional screw rod; 52, support hinged rod; 53, support sliding sleeve; 54, connecting sliding strip; 55, rotating support plate. DETAILED DESCRIPTION

[0021] In order to further clarify the technical means and effects adopted by the present application to achieve the predetermined object of the application, the following will be described in detail according to the specific embodiments, structures, features and effects of the present application, combined with the preferred embodiments and the drawings.

[0022] Please refer to Figures 1-5 The refractory brick firing forming method shown in the figure comprises the following steps: Placing operation: place the refractory brick on the support plate 2, then start the drying device of the heat preservation kiln 1 to dry the refractory brick inside the heat preservation kiln 1, and set a drying time before starting the next step; Preliminary drying operation: at this time, the adjusting plate 4 is controlled by the side edge adjusting mechanism 3 to shield the air permeable groove 23 on the support plate 2, and the upper surface of the support plate 2 is a plane, which can ensure the stability of the refractory brick when placed, and the drying function of the dryer is maintained at this time; Adjusting operation: after a certain time of drying, the shape of the refractory brick is stabilized, at this time the adjusting plate 4 is turned over by the side edge adjusting mechanism 3, so that the air permeable mesh plate 54 at the bottom of the adjusting plate 4 can expose the air permeable groove 23 on the support plate 2, at this time the bottom of the refractory brick can also realize the circulation of gas, so as to ensure the production quality of the refractory brick; Again, the drying operation adjusts the drying parameters and the air flow direction of the dryer, so that the drying gas emitted by the dryer can fully dry the bottom of the refractory brick, further ensuring the drying quality of the refractory brick, and then moving the refractory brick with relatively stable performance to the firing device for firing.

[0023] As a further embodiment of the present application, the adjusting operation is used first to loosen the restriction function of the moving slider 33 by using the winding roller 312, and the connecting rod 34 is moved to the edge position under the action of the compression spring 32, at this time the connecting plate 36 and the fixed plate 37 are in contact and fixed, and the fixed plate 37 is driven to realize the turnover under the action of the driving motor 381, at the same time the adjusting plate 4 is driven to realize the position adjustment of the adjusting plate 4.

[0024] In use, the height of the adjusting plate 4 is controllable, when the adjusting plate 4 moves to the highest end, the adjusting plate 4 cooperates with the supporting plate 2, when the adjusting plate 4 is at the lowest end, the adjusting plate 4 cooperates with the connecting plate 36.

[0025] Therefore, the supporting mechanism 5 is used to control the height of the adjusting plate 4, so that the supporting mechanism 5 is used to control the rotation of the supporting bidirectional screw rod 51 by using an external motor, so that the slider symmetrically provided with threads on the supporting bidirectional screw rod 51 can move towards each other, when moving towards each other to the closest, at this time the supporting sliding sleeve 53 can be supported, thereby the highest support of the adjusting plate 4 can be achieved, when moving away from each other to the farthest, at this time the supporting sliding sleeve 53 moves away from the adjusting plate 4, facilitating the turnover of the adjusting plate 4.

[0026] A refractory brick firing forming device, comprising a supporting plate 2 fixedly installed inside a heat preservation kiln 1, and a side edge adjusting mechanism 3 fixed on the side edge of the heat preservation kiln 1, and an adjusting plate 4 detachably provided on the output end of the side edge adjusting mechanism 3, and a supporting mechanism 5 fixed on the bottom of the heat preservation kiln 1, in use, first place the refractory bricks on the heat preservation kiln 1, and support the refractory bricks by using the supporting plate 2, then support the adjusting plate 4 by using the supporting mechanism 5, so that the adjusting plate 4 cooperates with the supporting plate 2 to realize the supporting function of the refractory bricks, after drying the refractory bricks for a certain period of time, control the turnover of the adjusting plate 4 by using the side edge adjusting mechanism 3, then support the adjusting plate 4 by using the supporting mechanism 5, so that the adjusting plate 4 cooperates with the supporting plate 2 again, thereby realizing the accurate drying of the refractory bricks.

[0027] Further, the supporting plate 2 comprises a supporting base plate 24, wherein the supporting base plate 24 is provided with an adjusting groove 22 for cooperating with the adjusting plate 4, wherein the adjusting groove 22 is uniformly provided with a breathable groove 23, and the supporting base plate 24 is provided with a limiting groove 21 for limiting the adjusting plate 4, so that in use, the limiting groove 21 and the adjusting groove 22 respectively cooperate with the adjusting plate 4.

[0028] Further, the adjusting plate 4 comprises a first limiting plate 41 and a second limiting plate 42, wherein the first limiting plate 41 and the second limiting plate 42 are fixedly installed at two ends of the adjusting plate 4 respectively, and the first limiting plate 41 and the second limiting plate 42 are matched with the limiting groove 21 respectively, a breathable mesh plate 45 is fixed at the side of the first limiting plate 41, the breathable mesh plate 45 can enter the inside of the adjusting groove 22 and be matched with the supporting plate 2, and a sealing plate 44 is fixed at the side of the second limiting plate 42, a sealing gas 43 is fixed on the sealing plate 44, wherein the sealing protrusion 43 is matched with the breathable groove 23, the sealing plate 44 is matched with the adjusting groove 22, and the sealing protrusion 43 can shield the breathable groove 23 in use, so that the upper surface of the supporting base plate 24 is a plane, the bottom support stability during the preliminary drying of the firebrick is ensured, and deformation of the bottom of the firebrick is avoided.

[0029] Further, the supporting mechanism 5 comprises a supporting bidirectional screw rod 51, a sliding seat is threadedly arranged on the supporting bidirectional screw rod 51, the sliding seat is slidingly connected with the rack, a supporting hinged rod 52 is rotationally arranged on the sliding seat, the other end of the supporting hinged rod 52 is rotationally installed with a supporting sliding sleeve 53, wherein the supporting sliding sleeve 53 is longitudinally slidingly connected with the rack, a connecting sliding strip 54 is arranged on the supporting sliding sleeve 53, the connecting sliding strip 54 is slidingly connected with the first limiting plate 41 and the second limiting plate 42 respectively, and is used for supporting the adjusting plate 4. In use, the motor drives the supporting bidirectional screw rod 51 to move the sliding seat on the supporting bidirectional screw rod 51 towards each other, so as to control the distance between the two hinged rods 52, so that the supporting sliding sleeve 53 moves longitudinally on the rack, thereby controlling the height of the supporting sliding sleeve 53.

[0030] Wherein the side adjusting mechanism 3 comprises a pressing base 31 fixed on the rack, a sliding groove is arranged on the pressing base 31, and a limiting sliding rod 39 is fixed in the sliding groove, wherein a moving sliding block 33 is slidingly arranged on the limiting sliding rod 39, a compression spring 32 is fixed at the side of the moving sliding block 33, a bottom sliding plate 310 is fixed at the bottom of the moving sliding block 33, a pull rope 311 is fixed on the bottom sliding plate 310, and the other end of the pull rope 311 is arranged on a winding roller 312, wherein the winding roller 312 is driven by a motor, in use, the motor drives the rotation of the winding roller 312 to overcome the action of the compression spring 32, so that the moving sliding block 33 can slide in the sliding groove, therefore a connecting rod 34 is fixed on the moving sliding block 33, a connecting base 35 is fixed on the side of the connecting rod 34 by a motor, and a fixed plate 37 is connected with the supporting plate 4 by a connecting assembly 38 on the connecting base 35.

[0031] The connecting assembly 38 comprises the connecting plate 36, a driving motor 381 is fixed in the inside of the connecting plate 36, a driving shaft 382 is connected with the driving motor 381, a rotating limiting base 389 is arranged in the inside of the connecting plate 36 in a rotating mode, an end of the driving shaft 382 is arranged with a bidirectional screw rod 386 in a rotating mode through a connector 383, a sliding sleeve is arranged on the bidirectional screw rod 386 in a threaded mode, the sliding sleeve is connected with the rotating base 387 in a sliding mode, the first hinged rod 385 and the second hinged rod 388 are arranged on the two sides of the sliding sleeve in a rotating mode in a symmetrical mode, the end of the first hinged rod 385 and the second hinged rod 388 is arranged with a pushing protrusion 384 in a rotating mode, the pushing protrusion 384 is used for clamping on the inner wall of the rotating limiting base 389. In use, firstly, the position of the connecting plate 36 is controlled, so that the driving motor 381 moves in a transverse mode, so that the connector 383 moves to the rotating base 387, and the bidirectional screw rod 386 on the moving base 387 is connected in a contact mode, then under the action of the driving motor 381, the bidirectional screw rod 386 is driven to rotate, at this time, the pushing protrusion 384 is tightly pressed on the connector 383, the contact connection between the pushing protrusion 384 and the rotating limiting base 386 is maintained, the stability of the fixed plate 37 can be maintained, then the rotation of the connecting base 35 is driven by the motor, so as to drive the rotation of the adjusting plate 4, in the process, the connecting plate 36 can make the end of the adjusting plate 4 more stable, so as to facilitate the overturning of the adjusting plate 4.

[0032] The above is only the preferred embodiment of the present application, and does not limit the present application in any form. Although the present application has been disclosed as the above preferred embodiment, it is not intended to limit the present application. Any person skilled in the art can make some changes or modifications to the above disclosed technical content to obtain equivalent embodiments with equivalent changes, without departing from the technical solution of the present application. Any modification, change, equivalent change and modification of the above embodiment, which does not depart from the technical solution of the present application, is still within the scope of the present application.

Claims

1. A method of firing a refractory brick, characterized by: It comprises the following steps: The preliminary drying operation: at this time, the adjusting plate (4) is controlled by the side adjusting mechanism (3) to block the air vents (23) on the supporting plate (2), and the upper surface of the supporting plate (2) is a plane, which can ensure the stability of the refractory bricks during placement, and the drying function of the dryer is maintained at this time; The adjusting operation: after drying for a certain period of time, the shape of the refractory bricks is stabilized, and the adjusting plate (4) is flipped by the side adjusting mechanism (3), so that the air vents (54) at the bottom of the adjusting plate (4) can be exposed to the air vents (23) on the supporting plate (2); The drying operation is performed again, and the drying parameters of the dryer and the air flow direction of the dryer are adjusted, so that the drying gas emitted by the dryer can fully dry the bottom of the refractory bricks.

2. The method of claim 1, wherein The adjusting operation in use first releases the restriction function of the winding roller (312) on the moving slider (33), and under the action of the compression spring (32), the connecting rod (34) moves to the edge position, at which time the connecting plate (36) and the fixed plate (37) are in contact and fixed, and under the action of the driving motor (381), the fixed plate (37) is flipped, which in turn flips the adjusting plate (4) and adjusts the position of the adjusting plate (4).

3. The method of claim 2, wherein the refractory brick is fired by, The height of the adjusting plate (4) is controllable during the adjusting operation, and when the adjusting plate (4) moves to the highest end, the adjusting plate (4) cooperates with the supporting plate (2), and when the adjusting plate (4) is at the lowest end, the adjusting plate (4) cooperates with the connecting plate (36).

4. The method of claim 1, wherein The supporting mechanism (5) in use controls the rotation of the supporting bidirectional screw rod (51) by an external motor, so that the sliders symmetrically threaded on the supporting bidirectional screw rod (51) can move towards each other, and when they move closest to each other, the supporting sliding sleeve (53) can be supported, thereby supporting the adjusting plate (4) to the highest position, and when they move away from each other to the farthest position, the supporting sliding sleeve (53) moves away from the adjusting plate (4), facilitating the flipping of the adjusting plate (4).

5. A method and apparatus for firing refractory shapes, characterized by: The supporting plate (2) is fixedly installed inside the heat preservation kiln (1), and the side of the heat preservation kiln (1) is fixed with a side adjusting mechanism (3), the output end of the side adjusting mechanism (3) is detachably provided with an adjusting plate (4), and the bottom of the heat preservation kiln (1) is fixed with a supporting mechanism (5).

6. A device for firing and forming a refractory brick according to claim 5, wherein The supporting plate (2) comprises a supporting base plate (24), the supporting base plate (24) is provided with an adjusting groove (22) for cooperating with the adjusting plate (4), the adjusting groove (22) is uniformly provided with air vents (23), and the supporting base plate (24) is provided with a limiting groove (21) for limiting the adjusting plate (4).

7. A device for firing and forming a refractory brick according to claim 6, wherein The adjusting plate (4) includes a first limiting plate (41) and a second limiting plate (42), the first limiting plate (41) and the second limiting plate (42) are fixedly installed at two ends of the adjusting plate (4) respectively, and the first limiting plate (41) and the second limiting plate (42) are matched with the limiting groove (21) respectively, the side of the first limiting plate (41) is fixedly provided with a breathable mesh plate (45), the breathable mesh plate (45) is matched and connected with the supporting plate (2) when entering the inside of the adjusting groove (22), the side of the second limiting plate (42) is fixedly provided with a sealing plate (44), the sealing plate (44) is fixedly provided with a sealing gas (43), wherein the sealing protrusion (43) is matched with the breathable groove (23).

8. A device for firing and forming a refractory brick according to claim 7, wherein The supporting mechanism (5) includes a supporting bidirectional screw rod (51), a sliding seat is threadedly arranged on the supporting bidirectional screw rod (51), the sliding seat is slidingly connected with the rack, a supporting hinged rod (52) is rotationally arranged on the sliding seat, a supporting sliding sleeve (53) is rotationally installed at the other end of the supporting hinged rod (52), the supporting sliding sleeve (53) is longitudinally slidingly connected with the rack, a connecting sliding strip (54) is arranged on the supporting sliding sleeve (53), and the connecting sliding strip (54) is slidingly connected with the first limiting plate (41) and the second limiting plate (42) respectively.

9. A device for firing and forming a refractory brick according to claim 8, wherein The side adjusting mechanism (3) includes a pressing base (31), the pressing base (31) is fixed on the rack, a sliding groove is arranged on the pressing base (31), and a limiting sliding rod (39) is fixedly arranged in the sliding groove, a moving sliding block (33) is slidingly arranged on the limiting sliding rod (39), a compression spring (32) is fixedly arranged on the side of the moving sliding block (33), a bottom sliding plate (310) is fixedly arranged on the bottom of the moving sliding block (33), a pull rope (311) is fixedly arranged on the bottom sliding plate (310), a winding roller (312) is arranged at the other end of the pull rope (311), and the winding roller (312) is driven by a motor.

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