Sintering equipment and sintering method for low-aluminum thermal shock resistant bricks

Abstract

The invention provides firing equipment and a firing method for low-aluminum heat-shock-resistant bricks. The firing equipment comprises a firing barrel of a cylindrical structure and a placing plate for uniformly placing a plurality of shock bricks, a rotary table capable of rotating is arranged in the firing barrel, and a vertical column which extends in the vertical direction and is rotationally connected with the rotary table is fixedly arranged on the inner top wall of the firing barrel; in the prior art, a green brick is placed on a placing plate and pushed into a firing box, one surface of the green brick cannot leave the placing plate, different surfaces of the green brick are in contact with airflow in the firing box differently, and the green brick is heated unevenly, however, according to the device, the green brick is pushed into a firing barrel through the placing plate, the green brick is separated from the placing plate under the action of a clamping mechanism, and the green brick is heated unevenly. All surfaces of the green brick can be in contact with air flow in the firing barrel, the heating effect is improved, then the green brick clamped by the clamping mechanism is driven to rotate through rotation of the rotating disc and rotation of the rotating frame, the green brick is heated uniformly, and the green brick firing effect is improved.

Description

Technical Field

[0001] The invention relates to the technical field of impact brick production equipment, in particular to a firing device and a firing method for low-aluminum heat-resistant impact bricks. Background Art

[0002] Low-aluminum thermal shock resistant bricks are a special type of refractory material, primarily used in industrial applications in high-temperature environments, such as cement kilns and steel smelting. The main features of this brick are its good thermal shock resistance, which allows it to withstand rapid temperature changes without breaking, and its low aluminum content, which helps improve its resistance to alkali corrosion.

[0003] The Chinese patent discloses "a sintering device for magnesia carbon bricks", with publication number CN212645374U. The utility model includes a combustion chamber, a sintering box is provided on the top of the combustion chamber, and a placement assembly is rotatably connected to the upper end surface of the combustion chamber and is located in the sintering box. The upper end surface of the combustion chamber is provided with a heat-conducting column that penetrates the placement assembly and is rotatably connected to the placement assembly, and a plurality of air vents are evenly arranged on the circumference of the heat-conducting column. The sintering device for magnesia carbon bricks facilitates the uniform and spaced placement of a plurality of magnesia carbon brick blanks through the placement assembly, facilitates the uniform heating of the plurality of magnesia carbon brick blanks, increases the heating area, and facilitates the rapid firing of magnesia carbon bricks. The high-temperature gas in the combustion chamber is quickly delivered to the position of each magnesia carbon brick blank in the sintering box through the gas guide branch pipe, the gas guide pipe, the heat-conducting column and the air vent, further enables the magnesia carbon brick blanks to be evenly heated and improves production efficiency. The rapid discharge of water vapor is facilitated by the provision of a plurality of exhaust channels. It is highly practical; a Chinese patent discloses "a sintering device for functional floor tiles", with publication number CN218600279U. The utility model includes a firing device and a lifting device, wherein the firing device includes a firing box, a top cover, a push-pull plate, a crossbeam and a longitudinal beam, and a plurality of first firing holes are evenly opened on the bottom of the inner cavity of the firing box. The top cover is fixed to the top of the firing box by bolts, and a plurality of second firing holes are evenly opened on the bottom of the top cover. The crossbeam and the longitudinal beam are welded perpendicularly to each other and laid flat on the bottom of the inner cavity of the firing box; the setting of the sintering device for functional floor tiles can fire floor tiles with drainage holes, and by installing a lifting device at the bottom of the firing box, the hydraulic cylinder, cross bar and top plate in the lifting device cooperate with each other to lift the floor tiles, separate the floor tiles from the crossbeam and longitudinal beam, and then fire the contact part between the bottom of the floor tiles and the crossbeam and longitudinal beam, thereby greatly reducing the firing time of the floor tiles.

[0004] To address the uneven heating and poor heating of the bottom of the bricks in existing firing equipment, the existing technology uses high-temperature gas to quickly circulate near the bricks and lift the tiles using a lifting device. However, there is still a disadvantage: when the impact bricks are placed in the firing box, the impact bricks have different surfaces, and the contact positions of these surfaces in the firing box are different, which directly causes the impact bricks to be heated unevenly. This uneven heating phenomenon has a negative impact on the firing quality. For example, it may cause the impact bricks' hardness, density and other performance indicators to fail to meet ideal requirements, or may cause problems such as surface unevenness and internal structural defects, thereby affecting the performance of the impact bricks in actual use. Summary of the Invention

[0005] The purpose of the present invention is to provide a firing device and a firing method for low-aluminum thermal shock resistant bricks, aiming to solve the problem in the prior art that when the impact bricks are placed in a firing box, the impact bricks have different surfaces, and the contact positions of these surfaces in the firing box are different, resulting in uneven heating of the impact bricks.

[0006] To achieve the above-mentioned purpose, the present invention adopts the following technical solution: the firing equipment and firing method of the low-aluminum thermal shock resistant bricks include a firing cylinder with a cylindrical structure and a placement plate for evenly placing multiple impact bricks;

[0007] A rotatable turntable is provided in the firing cylinder, and a vertical column extending in the up-down direction and rotatably connected to the turntable is fixed on the inner top wall of the firing cylinder. A plurality of heating elements are fixed on the vertical column and the peripheral side surface of the firing cylinder, and are arranged in a circular array with the vertical column as the center, so as to fire the impact bricks in the firing cylinder through the heating elements;

[0008] A plurality of fixed frames are fixedly provided on the turntable and arranged in a circular array with the turntable as the center. A plurality of rotating frames are rotatably provided on each of the fixed frames and arranged in an upper and lower interval. The rotating frame is a U-shaped frame structure with a notch facing the firing cylinder. A limiting slide groove is provided on the inner side wall of the rotating frame. A transparent through hole is provided on the side of the fixed frame facing the firing cylinder, and the through hole corresponds to the notch of the U-shaped frame structure. The placement plate with the impact bricks is slid through the through hole and inserted into the limiting slide groove;

[0009] Each of the rotating frames is provided with a clamping mechanism for laterally clamping the impact bricks inserted into the placement plate of the U-shaped frame structure;

[0010] A first drive motor capable of driving the turntable to rotate is fixedly provided on the inner bottom wall of the firing cylinder. A transmission assembly is connected to the first drive motor, and the transmission assembly is connected to the rotating frame on each fixed frame, so that the U-shaped frame structure that clamps the impact bricks through the clamping mechanism rotates.

[0011] Preferably, a cavity is provided inside the fixing frame;

[0012] A connecting rod is fixedly provided on one side of the rotating frame on each of the fixed frames facing the fixed frame. The connecting rod passes through the fixed frame and is rotatably connected to the inner wall of the cavity. The connecting rod is in transmission connection with the transmission assembly.

[0013] Preferably, the transmission assembly includes a main bevel gear connected to the output shaft of the first drive motor, a plurality of short shafts corresponding to the fixed frame and rotatably arranged below the turntable, and a first sprocket fixedly sleeved on the connecting rod, and the first sprockets on the two adjacent connecting rods are connected by a second chain transmission;

[0014] One end of each short shaft is fixedly provided with a secondary bevel gear meshing with the primary bevel gear, and the other end of the short shaft is fixedly provided with a second sprocket;

[0015] A conduction rod passing through the cavity is rotatably provided on the inner side wall of each cavity, and a third sprocket is fixedly mounted on the conduction rod. The second sprocket and the third sprocket are connected by a first chain transmission. The conduction rod is connected to the lowermost connecting rod for rotation.

[0016] Preferably, the clamping mechanism includes a second motor arranged in the rotating frame, two transversely arranged bidirectional screws transmission-connected to the second motor, and a clamping plate transmission-connected to each bidirectional screw;

[0017] Each of the bidirectional screws is threadedly fitted with two threaded blocks that can move in opposite or reverse directions. Each of the threaded blocks is hingedly connected to a swing rod. The two swing rods on the same bidirectional screw are hingedly connected to the same clamping plate, so that the two clamping plates move in opposite or reverse directions to clamp the impact bricks placed on the placement plate.

[0018] Preferably, the two bidirectional lead screws on the same rotating frame are both fixedly sleeved with a fifth pulley that meshes with each other;

[0019] Two sixth pulleys are fixedly mounted on the output end of the second motor, and the fifth pulleys are connected to the corresponding sixth pulleys through belt transmission, so that the two bidirectional screws can rotate.

[0020] Preferably, a sliding groove is provided on the inner side wall of each rotating frame, and a baffle is slidably inserted into the sliding groove, so that after the clamping mechanism clamps the impact brick, the baffle passes through the through hole and is inserted into the sliding groove.

[0021] Preferably, a blocking member adapted to the through hole is inserted into the through hole, and the blocking member is rotated toward one side of the rotating frame and is provided with a plurality of cylinders corresponding to the rotating frame, and each of the cylinders is fixed with a blocking member adapted to the U-shaped frame structure of the rotating frame at one end away from the blocking member, and the blocking member is used to block the placement plate and the baffle.

[0022] Preferably, the fixed frame is a rectangular ring structure with a transparent middle, and the rotating frame is arranged on the inner side wall of the rectangular ring structure;

[0023] The cylinder extends beyond the inner side wall of the fixed frame and is connected to the blocking member, so that when the blocking member rotates with the rotating frame, the fixed frame will not hinder the blocking member from rotating.

[0024] Preferably, the firing cylinder is provided with an inlet, and a switch door is hingedly connected to the inlet;

[0025] A limiting boss is fixedly provided on the inner side wall of the firing cylinder, and the lower surface of the turntable abuts against the upper surface of the limiting boss.

[0026] Preferably, the specific operations are as follows:

[0027] S1, place the formed bricks evenly spaced on the placement plates, and insert multiple sets of placement plates into the rotating frame along the limiting slides in sequence;

[0028] S2, when all the placement plates are inserted, the second motor is started, so that the output end of the second motor drives the bidirectional lead screw to rotate, and the two threaded blocks on the same bidirectional lead screw move in opposite directions or in opposite directions, and the two clamping plates are driven to move in opposite directions or in opposite directions under the action of the swing rod to clamp the brick blanks on the placement plates;

[0029] S3, inserting the baffle into the sliding groove of the rotating frame so that the baffle can block the top of the brick;

[0030] S4, inserting the blocking member into the through hole on the fixed frame, and inserting the blocking member into the rotating frame;

[0031] S5, closing the switch door of the firing cylinder;

[0032] S6, starting the first drive motor so that the output end of the first drive motor can drive the turntable to rotate, thereby driving the fixed frame on the turntable to rotate. When the fixed frame rotates, it can drive the rotating frame to rotate around the turntable as a circle center;

[0033] S7, when the first drive motor is started, it can also drive the main bevel gear to rotate. Since the main bevel gear and the auxiliary bevel gear rotate, it can drive the second sprocket on the short shaft to rotate. The second sprocket then drives the third sprocket to rotate through the first chain, which drives the transmission rod to rotate. The transmission rod is connected to the lowermost connecting rod, causing the lowermost connecting rod to rotate. Then, the first sprockets on the two adjacent connecting rods are connected through the second chain transmission, which drives the rotating frame to rotate, thereby driving the brick blank to rotate both horizontally and vertically;

[0034] S8, after the bricks in the firing cylinder are fired, the first drive motor stops, the switch door is opened, and the second motor is driven to release the bricks from the two clamping plates, and then the placement plate is taken out from the rotating frame, and the bricks are fired.

[0035] The beneficial effects are: 1. In the prior art, the brick embryo is placed on the placement plate and pushed into the firing box, so that one of the surfaces of the brick embryo cannot leave the placement plate, resulting in different contacts between different surfaces of the brick embryo and the air flow in the firing box, causing the brick embryo to be heated unevenly. In this device, the brick embryo is pushed into the firing cylinder through the placement plate. Under the action of the clamping mechanism, the brick embryo can be separated from the placement plate so that all surfaces of the brick embryo can contact the air flow in the firing cylinder, thereby improving the heating effect. Then, the turntable and the rotating frame are rotated to drive the brick embryo clamped by the clamping mechanism to rotate, so as to achieve uniform heating of the brick embryo and improve the firing effect of the brick embryo.

[0036] 2. When the placement plate is inserted into the rotating frame, the second motor can be driven to start, so that the second motor drives two bidirectional four rotations, so that the two clamping plates move in opposite or opposite directions, clamping the bricks on the placement plate to prevent the bricks from falling during the rotation process.

[0037] 3. Through the setting of the first driving motor, the turntable can be driven to rotate, and when the turntable rotates, the fixed frame on the turntable can be driven to rotate, so that the brick embryos on the fixed frame can rotate in the firing cylinder with the turntable as the center, thereby improving the heating condition of the brick embryos and allowing different surfaces of the brick embryos to be exposed to the hot air flow in the firing cylinder.

[0038] 4. The rotation of the first drive motor can also drive the main-stage bevel gear to rotate. Since the main-stage bevel gear and multiple sets of sub-stage bevel gears are engaged with each other, it can drive multiple sub-stage bevel gears to rotate. Then, the first sprocket drives the rotating frame to rotate, thereby driving the brick embryo on the rotating frame to rotate, so that different surfaces of the brick embryo can better contact with the hot air flow, thereby improving the firing effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0039] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0040] Figure 2 It is a structural schematic diagram of a partial cross-section of the firing cylinder of the present invention;

[0041] Figure 3 This is a schematic diagram of the structure of the first driving motor distributed in the firing cylinder of the present invention;

[0042] Figure 4 It is a partial cross-sectional front view of the structure of the device of the present invention;

[0043] Figure 5 It is a schematic diagram of the enlarged structure of point B in the present invention;

[0044] Figure 6 It is an enlarged structural diagram of point A in the present invention;

[0045] Figure 7 It is a structural schematic diagram of the rotating frame of the present invention;

[0046] Figure 8 It is a schematic structural diagram of a partial cross-section of the rotating frame of the present invention;

[0047] Figure 9 It is a structural schematic diagram of the fixed frame of the present invention;

[0048] Figure 10 This is a schematic structural diagram of the blocking member and the fixed frame of the present invention being separated;

[0049] Figure 11 This is a schematic structural diagram of the distribution of blocking members and plugging members of the present invention;

[0050] Figure 12 It is a schematic structural diagram of the distribution of the heating elements on the firing cylinder and the vertical column of the present invention.

[0051] In the figure: 1. Firing cylinder; 2. Turntable; 3. Fixed frame; 4. Vertical column; 5. Heating element; 6. Rotating frame; 7. Limiting slide; 8. Placement plate; 9. First drive motor; 10. Connecting rod; 1001. Main stage bevel gear; 1002. Short shaft; 1003. First sprocket; 11. Second stage bevel gear; 12. Second sprocket; 13. Cavity; 14. Third sprocket; 1501. Second motor; 1502. Bidirectional screw; 1503. Clamping plate; 16. Threaded block; 17. Swing rod; 18. Fifth pulley; 19. Blocking member; 20. Blocking member; 21. Baffle; 22. Open / close door. DETAILED DESCRIPTION

[0052] The specific embodiments of the firing equipment and firing method of the low-aluminum thermal shock resistant bricks of the present invention will be further described below in conjunction with the accompanying drawings.

[0053] like Figure 1-12As shown, a firing device for low-aluminum heat-resistant shock bricks is mainly used to fire the brick blanks of impact bricks better and more evenly, thereby improving the firing effect of the impact bricks. In the prior art, when the impact bricks are placed on the placement plate 8 and pushed into the firing cylinder 1, since the impact bricks have different surfaces, the contact positions of these surfaces in the firing box are different, resulting in uneven heating of the impact bricks. In this embodiment, the impact bricks can be clamped and rotated in both horizontal and vertical directions to achieve uniform heating of the impact bricks and improve the firing effect of the impact bricks.

[0054] In this embodiment, the brick embryos are impact bricks that have not yet been formed, and the brick embryos placed on the placement plate 8 are prior art and will not be described in detail here, and the brick embryos can be evenly distributed on the placement plate 8. In other embodiments, the brick embryos on the placement plate 8 can also be evenly placed manually.

[0055] In this embodiment, the placement plate 8, the baffle 21 and the clamping plate 1503 are all grid frames welded from hollow grid plates, which can enable the brick embryos to better contact with the hot air flow, and can also block the brick embryos and prevent them from falling.

[0056] like Figure 1 and Figure 2 As shown, the firing equipment includes a firing cylinder 1 with a cylindrical structure and a placement plate 8 for evenly placing multiple impact bricks. The firing cylinder 1 in this embodiment is a prior art and will not be described in detail here. The placement plate 8 carrying the brick blanks is placed in the firing cylinder 1, and the brick blanks can be fired.

[0057] like Figure 1 、 Figure 2 and Figure 12 As shown, a rotatable turntable 2 is provided in the firing cylinder 1, and a vertical column 4 extending in the up and down directions and rotatably connected to the turntable 2 is fixedly provided on the inner top wall of the firing cylinder 1. A plurality of heating elements 5 arranged in a circular array with the vertical column 4 as the center are fixedly provided on the circumferential side surfaces of the vertical column 4 and the firing cylinder 1, so that the impact bricks in the firing cylinder 1 can be fired by the heating elements 5. When the brick embryo needs to be fired, the brick embryo can be fired by the heating elements 5 on the firing cylinder 1 and the vertical column 4. In this embodiment, the heating element 5 is a prior art and will not be described in detail here.

[0058] like Figure 2-Figure 4As shown, when the turntable 2 rotates, it can drive the fixed frame 3 on the turntable 2 to rotate, so that the brick embryo on the fixed frame 3 can rotate horizontally, thereby improving the contact effect between the brick embryo and the hot air flow. A plurality of fixed frames 3 are fixed on the turntable 2 and arranged in a circular array with the turntable 2 as the center. A plurality of rotating frames 6 are arranged at intervals up and down on each fixed frame 3. The rotating frame 6 is a U-shaped frame structure with the notch facing the side of the firing cylinder 1. A limiting chute 7 is provided on the inner side wall of the rotating frame 6. The setting of the limiting chute 7 can It can not only allow the placement plate 8 to be inserted, but also limit the placement plate 8. In this embodiment, the limiting slide groove 7 is a "convex" groove structure, and a transparent through hole is opened on the side of the fixed frame 3 facing the firing cylinder 1, and the through hole corresponds to the notch of the U-shaped frame structure. The placement plate 8 with the impact brick is slid through the through hole and inserted into the limiting slide groove 7. When the placement plate 8 is placed in the firing cylinder 1, the placement plate 8 is inserted into the limiting slide groove 7 of the rotating frame 6 through the through hole to install the placement plate 8.

[0059] Specifically, Figures 9-11 As shown, a sliding groove is provided on the inner wall of each rotating frame 6, and a baffle 21 is slidably inserted into the sliding groove. The baffle 21 is inserted into the sliding groove through the through hole, which can protect the upper part of the brick blank on the placement plate 8 to prevent the brick blank from falling during the firing process.

[0060] A blocking member 19 adapted to the through hole is inserted into the through hole, and the blocking member 19 is rotated toward one side of the rotating frame 6 and is provided with a plurality of cylinders corresponding to the rotating frame 6. Each cylinder is fixed with a blocking member 20 adapted to the U-shaped frame structure of the rotating frame 6 on one end away from the blocking member 19. The blocking member 20 is used to block the placement plate 8 and the baffle 21. In this embodiment, after the placement plate 8 and the baffle 21 are inserted into the rotating frame 6, the blocking member 19 is inserted into the through hole on the fixed frame 3, and the blocking member 20 is inserted into the limiting slide groove 7 and the sliding groove of the rotating frame 6 to achieve blocking of the placement plate 8 and the baffle 21.

[0061] like Figure 7 and Figure 8 As shown, after the placement plate 8 is inserted, the brick embryo is first clamped by the clamping mechanism, and then the baffle 21 is inserted into the rotating frame 6 to provide multi-faceted protection for the brick embryo on the placement plate 8. A clamping mechanism is provided in each rotating frame 6 for horizontally clamping the impact brick on the placement plate 8 inserted into the U-shaped frame structure.

[0062] Specifically, the clamping mechanism includes a second motor 1501 arranged in the rotating frame 6, two transversely arranged bidirectional screws 1502 transmission-connected to the second motor 1501, and a clamping plate 1503 transmission-connected to each bidirectional screw 1502; each bidirectional screw 1502 is threadedly sleeved with two threaded blocks 16 that can move in relative or opposite directions, and each threaded block 16 is hingedly connected to a swing rod 17. When the bidirectional screw 1502 rotates, it can drive the two threaded blocks 16 on the same bidirectional screw 1502 to move in relative or opposite directions, and the threaded blocks 16 move in opposite directions. During the process, under the action of the swing rod 17, the two clamping plates 1503 can be moved in opposite or opposite directions to clamp the brick blanks placed on the placement plate 8. The two swing rods 17 on the same bidirectional screw 1502 are hingedly connected to the same clamping plate 1503. In this embodiment, a storage groove for the clamping plate 1503 to be retracted and extended is provided on the inner side of the U-shaped frame structure. When not clamped, the clamping plate 1503 is located in the storage groove, and when clamping the brick blank, the clamping plate 1503 extends from the storage groove. The storage groove can limit the clamping plate 1503 to prevent the clamping plate 1503 from rotating.

[0063] In this embodiment, the bidirectional lead screw 1502 is a structure in which two sections of threads are arranged oppositely.

[0064] The two bidirectional screws 1502 on the same rotating frame 6 are fixedly provided with a fifth pulley 18 that meshes with each other; two sixth pulleys are fixedly provided on the output end of the second motor 1501, and the fifth pulleys 18 are respectively connected to the corresponding sixth pulleys through belt transmission, so that the two bidirectional screws 1502 can rotate. When the second motor 1501 is started, the two sixth pulleys can be driven to rotate. Since the sixth pulleys are respectively connected to the corresponding fifth pulleys 18 through belt transmission, the two bidirectional screws 1502 can be driven to rotate.

[0065] like Figure 3-Figure 6 As shown, when the clamping mechanism clamps the brick embryo, it can drive the first drive motor 9 to rotate the clamped brick embryo horizontally and vertically to improve the firing effect. The inner bottom wall of the firing cylinder 1 is fixed with a first drive motor 9 that can drive the turntable 2 to rotate. The first drive motor 9 is connected to a transmission component, and the transmission component is connected to the rotating frame 6 on each fixed frame 3, so that the U-shaped frame structure that clamps the impact brick through the clamping mechanism is rotated. After the first drive motor 9 is started, it can drive the turntable 2 to rotate, and can also drive the rotating frame 6 to rotate, so as to achieve the rotation of the clamped brick embryo in two directions.

[0066] Specifically, a cavity 13 is provided inside the fixed frame 3; a connecting rod 10 is fixedly provided on the side of the rotating frame 6 on each fixed frame 3 facing the fixed frame 3, and the connecting rod 10 passes through the fixed frame 3 and is rotatably connected to the inner wall of the cavity 13, and the connecting rod 10 is transmission-connected to the transmission assembly.

[0067] The transmission assembly includes a main-stage bevel gear 1001 connected to the output shaft of the first drive motor 9, a plurality of short shafts 1002 corresponding to the fixed frame 3 and rotatably arranged below the turntable 2, and a first sprocket 1003 fixedly sleeved on the connecting rod 10. The first sprockets 1003 on the two upper and lower adjacent connecting rods 10 are connected by a second chain transmission. When the lowermost connecting rod 10 rotates, the first sprocket 1003 and the second chain on the connecting rod 10 can drive the other connecting rods 10 to rotate one by one, such as Figure 6 As shown, when the connecting rod 10 rotates, it can drive the rotating frame 6 to rotate. One end of each short shaft 1002 is fixedly provided with a secondary bevel gear 11 meshing with the main bevel gear 1001, and the other end of the short shaft 1002 is fixedly sleeved with a second sprocket 12. When the first drive motor 9 is started, it can also drive the main bevel gear 1001 to rotate. Since the main bevel gear 1001 and multiple secondary bevel gears 11 are meshed with each other, it can drive the short shaft 1002 to rotate. When the short shaft 1002 rotates, it can drive the second sprocket 12 on the short shaft 1002 to rotate. A conduction rod passing through the cavity 13 is rotatably provided on the inner side wall of each cavity 13, and a third sprocket 14 is fixedly sleeved on the conduction rod. The second sprocket 12 and the third sprocket 14 are connected by the first chain transmission. The conduction rod is connected to the lowermost connecting rod 10, so that the lowermost connecting rod 10 rotates, as shown in FIG. Figure 5 As shown, the second sprocket 12 can drive the third sprocket 14 to rotate through the first chain. Since the conductive rod passes through the cavity 13 and is connected to the third sprocket 14, it can drive the conductive rod to rotate. In this embodiment, as shown in FIG. Figure 4 As shown, a first sprocket 1003 is provided on the lowermost and uppermost connecting rods 10, and two first sprockets 1003 are provided on the other connecting rods 10 to achieve step-by-step rotation.

[0068] In this embodiment, a first sprocket 1003 is also fixedly mounted on the conduction rod. The first sprocket 1003 on the conduction rod is connected to the first sprocket 1003 on the lowermost connecting rod 10 via a second sprocket 12, so that the lowermost connecting rod 10 can rotate.

[0069] In this embodiment, Figure 3 and Figure 4As shown, the output end of the first drive motor 9 is fixedly connected to the seventh sprocket, and an L-shaped support frame is fixedly provided on the inner bottom wall of the firing cylinder 1. A vertically arranged main shaft is rotatably inserted on the support frame, and an eighth sprocket is fixedly sleeved on the main shaft. The seventh sprocket and the eighth sprocket are connected by a sixth chain transmission. The top of the main shaft is fixedly connected to the turntable 2, and the main-stage bevel gear 1001 is fixedly sleeved on the main shaft, so that when the main shaft rotates, it can drive the turntable 2 and the main-stage bevel gear 1001 to rotate.

[0070] like Figure 9 and Figure 10 As shown, the fixed frame 3 is a rectangular ring structure with a transparent middle, and the rotating frame 6 is arranged on the inner wall of the rectangular ring structure; the cylindrical extension length exceeds the inner wall of the fixed frame 3 and is connected to the blocking member 19, so that when the blocking member 19 rotates with the rotating frame 6, the fixed frame 3 will not hinder the rotation of the blocking member 19.

[0071] like Figure 1 and Figure 12 As shown, the firing cylinder 1 is provided with an inlet, and a switch door 22 is hinged on the inlet; a limiting boss is fixedly provided on the inner side wall of the firing cylinder 1, and the lower surface of the turntable 2 abuts against the upper surface of the limiting boss. The setting of the boss can support the turntable 2.

[0072] The operation of a firing method of low-aluminum thermal shock resistant bricks is as follows:

[0073] S1, place the formed bricks evenly spaced on the placement plates 8, and when placing them in the firing cylinder 1, sequentially insert multiple sets of placement plates 8 through the through holes into the limiting chute 7 of the rotating frame 6 to install the placement plates 8;

[0074] S2, when all the placement plates 8 are inserted, the second motor 1501 is started, so that the output end of the second motor 1501 drives the bidirectional lead screw 1502 to rotate, and the two threaded blocks 16 on the same bidirectional lead screw 1502 move in opposite or opposite directions. During the movement of the threaded blocks 16, the two clamping plates 1503 can be moved in opposite or opposite directions under the action of the swing rod 17 to clamp the brick blanks placed on the placement plates 8;

[0075] S3, insert the baffle 21 into the sliding groove of the rotating frame 6 so that the baffle 21 can block the top of the brick;

[0076] S4, insert the blocking member 19 into the through hole on the fixed frame 3, and insert the blocking member 20 into the rotating frame 6. The cylindrical extension exceeds the inner wall of the fixed frame 3 and connects to the blocking member 19. When the blocking member 19 rotates with the rotating frame 6, the fixed frame 3 will not hinder the rotation of the blocking member 19.

[0077] S5, closing the switch door 22 of the firing cylinder 1;

[0078] S6, starting the first drive motor 9 so that the output end of the first drive motor 9 can drive the turntable 2 to rotate, thereby driving the fixed frame 3 on the turntable 2 to rotate. When the fixed frame 3 rotates, it can drive the rotating frame 6 to rotate around the turntable 2 as the center of the circle;

[0079] S7, when the first drive motor 9 is started, it can also drive the main-stage bevel gear 1001 to rotate. Since the main-stage bevel gear 1001 and the sub-stage bevel gear 11 rotate, the second sprocket 12 on the short shaft 1002 can be driven to rotate. The second sprocket 12 then drives the third sprocket 14 to rotate through the first chain, so as to drive the transmission rod to rotate. The transmission rod is also fixed with a first sprocket 1003. The first sprocket 1003 on the transmission rod is connected to the first sprocket 1003 on the lowermost connecting rod 10 through the second sprocket 12, so that the lowermost connecting rod 10 can rotate. When the lowermost connecting rod 10 rotates, the first sprocket 1003 on the connecting rod 10 and the second chain can drive other connecting rods 10 to rotate one by one, such as Figure 6 As shown, when the connecting rod 10 rotates, it can drive the rotating frame 6 to rotate, and then drive the brick to rotate horizontally and vertically;

[0080] S8, after the bricks in the firing cylinder 1 are fired, the first drive motor 9 stops, the switch door 22 is opened, and the second motor 1501 is driven to make the two clamping plates 1503 release the bricks, and then the placement plate 8 is taken out from the rotating frame 6, and the bricks are fired.

[0081] The embodiments of the present invention described above do not limit the scope of protection of the present invention. The basic concept of the present invention is to improve the heating effect of the brick embryo by clamping and rotating the brick embryo in two directions within the firing cylinder 1, thereby achieving an improved impact brick firing effect. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention shall be included in the scope of protection of the claims of the present invention.

Claims

1. A firing device for low-aluminum thermal shock resistant bricks, characterized by: It comprises a firing cylinder (1) with a cylindrical structure and a placement plate (8) for evenly placing a plurality of impact bricks; A rotatable turntable (2) is provided in the firing cylinder (1), a vertical column (4) extending in the up-down direction and rotatably connected to the turntable (2) is fixedly provided on the inner top wall of the firing cylinder (1), and a plurality of heating elements (5) arranged in a circular array with the vertical column (4) as the center are fixedly provided on the circumferential side surface of the firing cylinder (1), so that the impact bricks in the firing cylinder (1) are fired by the heating elements (5); The turntable (2) is fixed with a plurality of fixed frames (3) arranged in a circular array with the turntable (2) as the center, and each fixed frame (3) is rotatably provided with a plurality of rotating frames (6) arranged in an upper and lower interval. The rotating frame (6) is a U-shaped frame structure with a notch facing the firing cylinder (1). A limiting slide groove (7) is provided on the inner side wall of the rotating frame (6). A transparent through hole is provided on the side of the fixed frame (3) facing the firing cylinder (1), and the through hole corresponds to the notch of the U-shaped frame structure. A placement plate (8) on which an impact brick is placed slides through the through hole and is inserted into the limiting slide groove (7). Each of the rotating frames (6) is provided with a clamping mechanism for laterally clamping the impact bricks on the placement plate (8) inserted into the U-shaped frame structure; A first drive motor (9) capable of driving the turntable (2) to rotate is fixedly provided on the inner bottom wall of the firing cylinder (1). A transmission assembly is connected to the first drive motor (9). The transmission assembly is connected to the rotating frame (6) on each fixed frame (3) to rotate the U-shaped frame structure that clamps the impact bricks through the clamping mechanism.

2. The firing equipment for low-aluminum thermal shock resistant bricks according to claim 1 is characterized in that: A cavity (13) is provided inside the fixed frame (3); A connecting rod (10) is fixedly provided on the side of the rotating frame (6) on each fixed frame (3) facing the fixed frame (3); the connecting rod (10) passes through the fixed frame (3) and is rotatably connected to the inner wall of the cavity (13); and the connecting rod (10) is transmission-connected to the transmission assembly.

3. The firing equipment for low-aluminum thermal shock resistant bricks according to claim 2 is characterized in that: The transmission assembly comprises a main bevel gear (1001) connected to the output shaft of the first drive motor (9), a plurality of short shafts (1002) corresponding to the fixed frame (3) and rotatably arranged below the turntable (2), and a first sprocket (1003) fixedly mounted on the connecting rod (10), wherein the first sprockets (1003) on two adjacent connecting rods (10) are connected by a second chain transmission; One end of each short shaft (1002) is fixedly provided with a secondary bevel gear (11) meshing with the primary bevel gear (1001), and the other end of each short shaft (1002) is fixedly provided with a second sprocket (12); A conductive rod is rotatably provided on the inner side wall of each cavity (13) and passes through the cavity (13). A third sprocket (14) is fixedly sleeved on the conductive rod. The second sprocket (12) and the third sprocket (14) are connected to each other through a first chain transmission. The conductive rod is connected to the lowermost connecting rod (10) through transmission, so that the lowermost connecting rod (10) rotates.

4. The firing equipment for low-aluminum thermal shock resistant bricks according to claim 1 is characterized in that: The clamping mechanism comprises a second motor (1501) disposed in the rotating frame (6), two transversely disposed bidirectional lead screws (1502) in transmission connection with the second motor (1501), and a clamping plate (1503) in transmission connection with each bidirectional lead screw (1502); Each of the bidirectional lead screws (1502) is threadedly sleeved with two threaded blocks (16) capable of moving in opposite or reverse directions. Each of the threaded blocks (16) is hingedly connected to a swing rod (17). The two swing rods (17) on the same bidirectional lead screw (1502) are hingedly connected to the same clamping plate (1503), so that the two clamping plates (1503) move in opposite or reverse directions to clamp the impact bricks placed on the placement plate (8).

5. The firing equipment for low-aluminum thermal shock resistant bricks according to claim 4 is characterized in that: Two bidirectional lead screws (1502) on the same rotating frame (6) are both fixedly sleeved with a fifth pulley (18) that meshes with each other; Two sixth pulleys are fixedly mounted on the output end of the second motor (1501), and the fifth pulleys (18) are connected to the corresponding sixth pulleys via belt transmission, so that the two bidirectional lead screws (1502) can rotate.

6. The firing equipment for low-aluminum thermal shock resistant bricks according to claim 1 is characterized in that: A sliding groove is provided on the inner side wall of each rotating frame (6), and a baffle (21) is slidably inserted into the sliding groove. After the clamping mechanism clamps the impact brick, the baffle (21) passes through the through hole and is inserted into the sliding groove.

7. The firing equipment for low-aluminum thermal shock resistant bricks according to claim 6 is characterized in that: A blocking member (19) adapted to the through hole is inserted into the through hole, and the blocking member (19) is provided with a plurality of cylinders corresponding to the rotating frame (6) when rotating toward one side of the rotating frame (6), and a blocking member (20) adapted to the U-shaped frame structure of the rotating frame (6) is fixedly provided at one end of each cylinder away from the blocking member (19), and the blocking member (20) is used to block the placement plate (8) and the baffle (21).

8. A firing device for low-aluminum thermal shock resistant bricks according to any one of claims 1 to 7, characterized in that: The fixed frame (3) is a rectangular ring structure with a transparent middle, and the rotating frame (6) is arranged on the inner side wall of the rectangular ring structure; The cylindrical extension length exceeds the inner side wall of the fixed frame (3) and is connected to the blocking member (19), so that when the blocking member (19) rotates with the rotating frame (6), the fixed frame (3) will not hinder the blocking member (19) from rotating.

9. A firing device for low-aluminum thermal shock resistant bricks according to any one of claims 1 to 7, characterized in that: The firing cylinder (1) is provided with an inlet, and a switch door (22) is hingedly connected to the inlet; A limiting boss is fixedly provided on the inner side wall of the firing cylinder (1), and the lower surface of the turntable (2) abuts against the upper surface of the limiting boss.

10. A method for firing low-aluminum thermal shock resistant bricks, characterized in that: The specific operations are as follows: S1, placing the formed bricks evenly spaced on the placement plates (8), and sequentially inserting multiple groups of placement plates (8) along the limiting chute (7) onto the rotating frame (6); S2, when the placement plates (8) are all inserted, the second motor (1501) is driven to start, so that the output end of the second motor (1501) drives the bidirectional lead screw (1502) to rotate, and the two threaded blocks (16) on the same bidirectional lead screw (1502) move in opposite directions or opposite directions, and under the action of the swing rod (17), the two clamping plates (1503) are driven to move in opposite directions or opposite directions to clamp the brick blank on the placement plate (8); S3, inserting the baffle (21) into the sliding groove of the rotating frame (6) so that the baffle (21) can block the top of the brick; S4, inserting the blocking member (19) into the through hole on the fixed frame (3), and inserting the blocking member (20) into the rotating frame (6); S5, closing the switch door (22) of the firing cylinder (1); S6, starting the first drive motor (9), so that the output end of the first drive motor (9) can drive the turntable (2) to rotate, thereby driving the fixed frame (3) on the turntable (2) to rotate, and when the fixed frame (3) rotates, it can drive the rotating frame (6) to rotate with the turntable (2) as the center of the circle; S7, when the first driving motor (9) is started, it can also drive the main bevel gear (1001) to rotate. Since the main bevel gear (1001) and the secondary bevel gear (11) rotate, the second sprocket (12) on the short shaft (1002) can be driven to rotate. The second sprocket (12) then drives the third sprocket (14) to rotate through the first chain, so that the transmission rod is driven to rotate. The transmission rod is connected to the lowermost connecting rod, so that the lowermost connecting rod (10) rotates. Then, the first sprockets (1003) on the two upper and lower adjacent connecting rods (10) are connected through the second chain transmission, so that the rotating frame (6) is driven to rotate, thereby driving the brick blank to rotate both horizontally and vertically. S8, after the bricks in the firing cylinder (1) are fired, the first drive motor (9) stops, the switch door (22) is opened, and the second motor (1501) is driven to release the two clamping plates (1503) from the bricks, and then the placement plate (8) is taken out from the rotating frame (6), and the bricks are fired.

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