Waste heat recovery device of ceramic tile electric kiln

Abstract

The invention relates to the technical field of heat recovery, in particular to a waste heat recovery device of a ceramic tile electric kiln. The technical problems that an existing heat recovery treatment device is wide in recovery space, high in heat loss and low in heat recovery efficiency due to the fact that residual heat on ceramic tiles is difficult to recover well are solved. A waste heat recovery device of a ceramic tile electric kiln comprises a conveying table, the electric kiln is arranged on the conveying table, a heat recovery box is fixedly connected in the electric kiln, two openings are formed in the heat recovery box, an air outlet pipe is fixedly connected to the top of the electric kiln, and an air inlet pipe is fixedly connected to the bottom of the electric kiln. Air enters the heat recovery box to be in contact with high-temperature ceramic tiles, the temperature of the air is increased through heat exchange, the fired ceramic tiles are conveyed into the closed heat recovery box, heat exchange is conducted through cold air, residual heat of the fired ceramic tiles can be recycled more sufficiently, heat loss is reduced, and the service life of the ceramic tiles is prolonged. Therefore, the heat recovery efficiency is improved.

Description

Technical Field

[0001] The invention relates to the technical field of heat recovery, and in particular to a waste heat recovery device for a ceramic brick electric kiln. Background Art

[0002] Ceramic tiles are plate-shaped or block-shaped ceramic products made of clay and other inorganic non-metallic raw materials through molding, sintering and other processes. They are used to decorate and protect the walls and floors of buildings and structures. They are usually formed by dry pressing, extrusion or other molding methods at room temperature, then dried and fired at a certain temperature. At present, the temperature of ceramic tiles is relatively high after firing. In order to save resources, the fired ceramic tiles are often subjected to heat recovery treatment. However, in the existing heat recovery treatment device, the space is relatively open and the heat loss is relatively high during the heat recovery treatment of ceramic tiles. The residual heat on the ceramic tiles is difficult to recover well, resulting in low heat recovery efficiency. Summary of the invention

[0003] In view of the defects in the prior art, the purpose of the present invention is to provide a waste heat recovery device for a ceramic tile electric kiln with a relatively sealed recovery space, which can more fully recover the residual heat of the ceramic tiles, reduce heat loss, and improve heat recovery efficiency.

[0004] The technical solution is as follows: A waste heat recovery device for an electric kiln for ceramic tiles, comprising a conveying platform, an electric kiln being arranged on the conveying platform, a heat recovery box being fixedly connected inside the electric kiln, the heat recovery box having two openings, an air outlet pipe being fixedly connected to the top of the electric kiln, an air inlet pipe being fixedly connected to the bottom of the electric kiln, both the air outlet pipe and the air inlet pipe being connected to the interior of the heat recovery box, a rotating part, a driving part and a fixed part being arranged on the heat recovery box, the rotating part being used to drive the ceramic tiles to rotate, the driving part being used to assist the ceramic tiles to better move in or out of the rotating part, and the fixed part being used to fix the ceramic tiles.

[0005] Furthermore, the rotating component includes a rotating shaft, the rotating shaft is rotatably connected to the heat recovery box, a servo motor is fixedly connected to the electric kiln, the servo motor output shaft is fixedly connected to the rotating shaft, a plurality of placement frames are evenly and fixedly connected to the rotating shaft, and a plurality of rollers are rotatably connected to the placement frames.

[0006] Furthermore, a plurality of the placement frames are located inside the heat recovery box.

[0007] Furthermore, the driving component includes a gear frame, two of the gear frames are slidingly connected to the heat recovery box, and the two gear frames are symmetrically arranged. Four electric push rods are fixedly connected in the electric kiln, and the two sides of the gear frame on the same side are respectively fixedly connected to the telescopic rods of the two electric push rods on the same side. Two groups of rotating columns are rotatably connected to each of the placement frames, and each group of rotating columns has two rotating columns. The two groups of rotating columns on the same placement frame are symmetrically arranged, and a conveyor belt is wound between the two rotating columns in each group. Two rotating rods are fixedly connected to one of the rotating columns in each group, and two overrunning clutches are fixedly connected to each rotating rod, and each overrunning clutch is fixedly connected to a column gear 1.

[0008] Furthermore, the conveyor belt is made of high temperature resistant material.

[0009] Furthermore, the fixing component includes a pressure plate, two of the pressure plates are slidably connected to the placement frame, the two pressure plates are symmetrically arranged, two pressure springs are connected between each of the pressure plates and the placement frame, and two arc-shaped extrusion rods are fixedly connected in the heat recovery box, and the two arc-shaped extrusion rods are symmetrically arranged.

[0010] Furthermore, it also includes a sealing component, which is provided on the heat recovery box and is used to enhance the sealing of the heat recovery box. The sealing component includes a sealing plate, two of the sealing plates are slidably connected to the heat recovery box, and a number of reset springs are connected between the two sealing plates and the heat recovery box. Two sleeve rods are fixedly connected to the placement frame, and a pressure rod is slidably connected to the sleeve rod, and a pressure spring 1 is connected between the pressure rod and the sleeve rod. Four top blocks are fixedly connected to the heat recovery box.

[0011] Furthermore, it also includes a heat recovery auxiliary component, the heat recovery auxiliary component is provided on the placement frame, the heat recovery auxiliary component is used to improve the air flow in the heat recovery box, the heat recovery auxiliary component includes a mounting frame, two mounting frames are fixedly connected to the placement frame, the two mounting frames are symmetrically arranged, a group of rotating rods are rotatably connected between the two mounting frames, each group of rotating rods has three rotating rods, each rotating rod is fixedly connected to two column gears 2, a toothed belt is wound between the three column gears 2 located on the same side, one of the rotating rods in each group of rotating rods is fixedly connected to two column gears 3, and two arcuate gear rods are fixedly connected to the heat recovery box, and the two arcuate gear rods are symmetrically arranged.

[0012] Furthermore, the column gear three will mesh with the arc-shaped gear rod during the process of following the rotation of the rotating shaft.

[0013] Furthermore, positioning rods are included, and four positioning rods are fixedly connected to each of the gear frames.

[0014] The beneficial effects of the present invention are as follows: 1. When the air enters the heat recovery box, it will come into contact with the high-temperature ceramic tiles. The air will heat up through heat exchange. The servo motor output shaft will stop rotating after rotating a certain angle, so that two of the placement frames will be flush with the opening of the heat recovery box. After the ceramic tiles are placed in the empty placement frames, the servo motor output shaft will rotate again, and this cycle will repeat. The heated air will float on the top of the heat recovery box, and the high-temperature air will be transported to the heat exchange device through the air outlet pipe to recover the heat. The fired ceramic tiles will be transported to a relatively closed heat recovery box and then heat exchange will be performed through cold air, so that the residual heat of the fired ceramic tiles can be more fully recovered, reducing heat loss and thus improving heat recovery efficiency.

[0015] 2. When the placement frame is not flush with the opening of the heat recovery box, two sealing plates extend out of the heat recovery box to block the opening of the heat recovery box. When one of the placement frames rotates to be flush with the opening of the heat recovery box, one of the placement frames will drive two of the pressure rods to rotate. During the rotation of the two pressure rods, the two pressure rods will contact one of the sealing plates. The two pressure rods will squeeze one of the sealing plates, so that one of the sealing plates will extend into the heat recovery box, and the heat recovery box bayonet will no longer be blocked. In this way, when the placement frame is not flush with the opening of the heat recovery box, the opening of the heat recovery box can be blocked, thereby reducing air leakage in the heat recovery box and further improving the heat recovery efficiency.

[0016] 3. During the rotation of the placement frame, the column gear 3 on one of the placement frames will mesh with the arc-shaped gear rod, causing the column gear 3 to rotate, which will drive the rotating rod on one of the placement frames to rotate through the transmission. During the rotation of the rotating rod, the air around the ceramic tiles will be stirred, allowing the air to better contact the ceramic tiles, further improving the heat recovery efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention.

[0018] Figure 2 It is a schematic diagram of the three-dimensional structure of the motor of the present invention.

[0019] Figure 3 It is a schematic diagram of the cross-sectional three-dimensional structure of the present invention.

[0020] Figure 4 It is a schematic diagram of the cross-sectional three-dimensional structure of the inlet branch pipe, the outlet pipe and the heat recovery box of the present invention.

[0021] Figure 5 It is a schematic diagram of the cross-sectional three-dimensional structure of the heat recovery box of the present invention.

[0022] Figure 6It is a three-dimensional structural schematic diagram of the rotating shaft and the placement frame of the present invention.

[0023] Figure 7 It is a three-dimensional structural schematic diagram of the conveyor belt, overrunning clutch and column gear 1 of the present invention.

[0024] Figure 8 It is a schematic diagram of the cross-sectional three-dimensional structure of the rotating shaft and the top block of the present invention.

[0025] Fig. 9 For the present invention Figure 8 Schematic diagram of the enlarged three-dimensional structure at point A in the middle.

[0026] Fig.10 It is a schematic diagram of the three-dimensional structure of the mounting frame and the rotating rod of the present invention.

[0027] Fig.11 It is a schematic diagram of the disassembled three-dimensional structure of the sealing component of the present invention.

[0028] Fig.12 It is a schematic diagram of the cross-sectional three-dimensional structure of the sleeve rod of the present invention.

[0029] Fig.13 It is a schematic cross-sectional three-dimensional structure diagram of the column gear 2, the toothed belt and the column gear 3 of the present invention.

[0030] Fig.14 It is a schematic diagram of the cross-sectional three-dimensional structure of the arc-shaped gear rod of the present invention.

[0031] Fig.15 For the present invention Fig.14 Schematic diagram of the enlarged three-dimensional structure at point B in the middle.

[0032] Fig.16 It is a schematic diagram of the cross-sectional three-dimensional structure of the placement frame of the present invention.

[0033] Fig.17 It is a schematic diagram of the disassembled three-dimensional structure of the fixing component of the present invention.

[0034] Fig.18 It is a schematic diagram of a partially cutaway three-dimensional structure of the positioning rod of the present invention.

[0035] Figure numbers: 1_conveying platform, 2_electric kiln, 3_heat recovery box, 4_air outlet pipe, 5_air inlet pipe, 61_rotating shaft, 62_servo motor, 63_placing frame, 64_roller column, 71_tooth frame, 72_electric push rod, 73_rotating column, 74_conveyor belt, 75_rotating rod, 76_overrunning clutch, 77_column gear one, 81_sealing plate, 82_reset spring, 83_sleeve rod, 84_pressure rod, 85_pressure spring one, 86_top block, 91_installing frame, 92_rotating rod, 93_column gear two, 94_toothed belt, 95_column gear three, 96_arc gear rod, 101_pressure plate, 102_pressure spring two, 103_arc squeeze rod, 11_positioning rod. DETAILED DESCRIPTION

[0036] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0037] Example 1: A waste heat recovery device for a ceramic brick electric kiln, such as Figure 1-Figure 18 As shown, it includes a conveying platform 1, on which an electric kiln 2 is arranged, a heat recovery box 3 is fixedly connected inside the electric kiln 2, and two openings are opened on the heat recovery box 3. An air outlet pipe 4 is fixedly connected to the top of the electric kiln 2, and an air inlet pipe 5 is fixedly connected to the bottom of the electric kiln 2. Both the air outlet pipe 4 and the air inlet pipe 5 are connected to the inside of the heat recovery box 3. A rotating part, a driving part and a fixed part are arranged on the heat recovery box 3. The rotating part is used to drive the ceramic tiles to rotate, the driving part is used to assist the ceramic tiles to better move in or out of the rotating part, and the fixed part is used to fix the ceramic tiles.

[0038] The rotating component includes a rotating shaft 61, the rotating shaft 61 is rotatably connected to the heat recovery box 3, a servo motor 62 is fixedly connected to the electric kiln 2, the output shaft of the servo motor 62 is fixedly connected to the rotating shaft 61, the servo motor 62 is used to drive the rotating shaft 61 to rotate, a plurality of placement frames 63 are uniformly welded on the rotating shaft 61, and a plurality of rollers 64 are rotatably connected to the placement frame 63.

[0039] The plurality of placement frames 63 are all located inside the heat recovery box 3 .

[0040] The driving component includes a gear frame 71, two of the gear frames 71 are slidably connected to the heat recovery box 3, and the two gear frames 71 are symmetrically arranged. Four electric push rods 72 are fixedly connected in the electric kiln 2, and the two sides of the gear frame 71 on the same side are respectively fixedly connected to the telescopic rods of the two electric push rods 72 on the same side. Two groups of rotating columns 73 are rotatably connected to each of the placement frames 63, and each group of rotating columns 73 has two in total. The two groups of rotating columns 73 on the same placement frame 63 are symmetrically arranged, and a conveyor belt 74 is wound between the two rotating columns 73 in each group. Two rotating rods 75 are fixedly connected to one of the rotating columns 73 in each group, and each rotating rod 75 is fixedly connected to an overrunning clutch 76, and each overrunning clutch 76 is fixedly connected to a column gear 77, and the overrunning clutch 76 is used to control the unidirectional rotation of the column gear 77.

[0041] The conveyor belt 74 is made of high temperature resistant material.

[0042] The fixing component includes a pressure plate 101, and two of the pressure plates 101 are slidably connected to the placement frame 63. The pressure plate 101 is used to squeeze the conveyor belt 74. The two pressure plates 101 are symmetrically arranged. A pressure spring 2 102 is connected between each of the pressure plates 101 and the placement frame 63. Two arc-shaped extrusion rods 103 are connected in the heat recovery box 3 by bolts, and the two arc-shaped extrusion rods 103 are symmetrically arranged.

[0043] At first, two of the placement frames 63 in the heat recovery box 3 are flush with the opening of the heat recovery box 3, and the ceramic bricks are conveyed into the electric kiln 2 for firing under the conveyance of the conveyor platform 1. After passing through the firing area, the ceramic bricks enter the placement frame 63 through the opening on the heat recovery box 3. After the fired ceramic bricks are extended into the placement frame 63, they will contact the conveyor belt 74. The user controls the electric push rod 72 to retract the telescopic rod to drive the gear frame 71 to extend into the heat recovery box 3. The gear frame 71 will mesh with the column gear 1 77 on two of the placement frames 63. Under the action of the overrunning clutch 76, the column gear 1 77 will idle. After the gear frame 71 and the column gear 1 77 are disengaged, the user controls the telescopic rod of the electric push rod 72 to extend to drive the gear frame 71 to move in the opposite direction. The gear frame 71 moves in the opposite direction and meshes with the column gear 1 again. The gear 77 is meshed, causing the column gear 77 to rotate. The rotation of the column gear 77 drives the rotating rod 75 to rotate through the overrunning clutch 76. The rotation of the rotating rod 75 drives the rotating column 73 to rotate. This is repeated several times. The rotation of the rotating column 73 drives the conveyor belt 74 to bypass, so that the conveyor belt 74 on the side close to the firing zone of the electric kiln 2 will further move the ceramic tile into the placement frame 63, and the conveyor belt 74 on the side away from the firing zone of the electric kiln 2 will move the ceramic tile out of the placement frame 63. After the ceramic tile is completely moved into or out of the placement frame 63, the telescopic rod of the electric push rod 72 is reset and stops running. The telescopic rod of the electric push rod 72 is reset, driving the gear frame 71 to reset. Subsequently, the user starts the servo motor 62. The rotation of the output shaft of the servo motor 62 drives the rotating shaft 61 to rotate slowly. The rotation of the shaft 61 will drive the placement frame 63 to rotate. During the rotation of the ceramic tiles in the placement frame 63, the two pressure plates 101 on the placement frame 63 will be squeezed by the arc-shaped extrusion rod 103, so that the two pressure plates 101 will move towards each other, and the two pressure springs 102 will be compressed. The movement of the two pressure plates 101 will squeeze the two conveyor belts 74 on the placement frame 63, so that the two conveyor belts 74 squeeze the ceramic tiles, and then fix the ceramic tiles. Then, the user introduces air into the air inlet pipe 5, and the air enters the heat recovery box 3 and contacts the high-temperature ceramic tiles. The air will heat up through heat exchange, and the output shaft of the servo motor 62 will stop rotating after rotating a certain angle, so that two of the placement frames 63 will be flush with the openings of the heat recovery box 3, and the empty placement frames will be moved. After the ceramic bricks are put into 63, the output shaft of the servo motor 62 rotates again, and this reciprocating process is repeated. The heated air will float on the top of the heat recovery box 3, and the high-temperature air will be transported to the heat exchange device through the air outlet pipe 4, so as to recycle the heat. After the ceramic bricks enter the heat recovery box 3 and rotate 180 degrees, the pressure plate 101 and the arc-shaped extrusion rod 103 are separated, and the pressure spring 102 is reset to drive the pressure plate 101 to reset. The pressure plate 101 no longer squeezes the conveyor belt 74, and the ceramic bricks are no longer fixed. The ceramic bricks will be moved out of the heat recovery box 3 through another opening on the heat recovery box 3 and transmitted to the conveying platform 1 far away from the firing area of ​​the electric kiln 2 to be transported out of the electric kiln 2. By transporting the fired ceramic bricks to the relatively closed heat recovery box 3, and then performing heat exchange with cold air,This allows the residual heat of fired ceramic tiles to be more fully recovered, reducing heat loss and thus improving heat recovery efficiency.

[0044] Embodiment 2: Based on embodiment 1, Figure 5-Figure 12 As shown, it also includes a sealing component, which is provided on the heat recovery box 3, and is used to enhance the sealing of the heat recovery box 3. The sealing component includes a sealing plate 81, and two sealing plates 81 are slidably connected to the heat recovery box 3. The sealing plate 81 is used to seal the opening of the heat recovery box 3. A plurality of return springs 82 are connected between the two sealing plates 81 and the heat recovery box 3. Two sleeve rods 83 are connected to the placement frame 63 by bolts, and a pressure rod 84 is slidably connected to the sleeve rod 83. A pressure spring 85 is connected between the pressure rod 84 and the sleeve rod 83. Four top blocks 86 are welded on the heat recovery box 3, and the top block 86 is used to squeeze the pressure rod 84.

[0045] It also includes a heat recovery auxiliary component. The placement frame 63 is provided with the heat recovery auxiliary component, which is used to improve the air flow in the heat recovery box 3. The heat recovery auxiliary component includes a mounting frame 91. Two mounting frames 91 are connected to the placement frame 63 by bolts. The two mounting frames 91 are symmetrically arranged. A group of rotating rods 92 are rotatably connected between the two mounting frames 91. Each group of rotating rods 92 has three rotating rods 92. The rotating rods 92 are used to stir the air around the ceramic tiles. Two column gears 93 are fixedly connected to each rotating rod 92. A toothed belt 94 is wound between the three column gears 93 on the same side. One of the rotating rods 92 in each group of rotating rods 92 is fixedly connected to two column gears 95. Two arcuate gear rods 96 are fixedly connected to the heat recovery box 3. The two arcuate gear rods 96 are symmetrically arranged.

[0046] The column gear 3 95 will mesh with the arc-shaped gear rod 96 during the process of following the rotation of the rotating shaft 61 .

[0047] At first, when the placement frame 63 is not flush with the opening of the heat recovery box 3, the two sealing plates 81 extend out of the heat recovery box 3 to block the opening of the heat recovery box 3. When the two placement frames 63 rotate to be flush with the opening of the heat recovery box 3, the two placement frames 63 will drive the four pressure rods 84 to rotate. During the rotation of the four pressure rods 84, they will contact the two sealing plates 81 respectively. The four pressure rods 84 will squeeze the two sealing plates 81 to extend into the heat recovery box 3. The two placement frames 63 continue to rotate to drive the four pressure rods 84 to move. The movement of the four pressure rods 84 will be squeezed by the four top blocks 86 respectively. The four pressure rods 84 are pressed so that they extend into the four sleeve rods 83 respectively, and the four pressure springs 85 are compressed. After the four pressure rods 84 and the two sealing plates 81 are separated, the reset springs 82 reset the two sealing plates 81, and after the four pressure rods 84 continue to move and the four top blocks 86 are separated, the four pressure springs 85 reset the four pressure rods 84, and so on. In this way, when the placement frame 63 is not flush with the opening of the heat recovery box 3, the opening of the heat recovery box 3 can be blocked, thereby reducing the air leakage in the heat recovery box 3 and further improving the heat recovery efficiency.

[0048] After the fired ceramic tiles are loaded into one of the placement frames 63, during the rotation of the placement frame 63, the column gear three 95 on the placement frame 63 will engage with the arc-shaped gear rod 96, causing the column gear three 95 to rotate. The rotation of the column gear three 95 drives two of the column gears two 93 to rotate through one of the rotating rods 92, thereby driving the two toothed belts 94 to rotate. The rotation of the two toothed belts 94 will drive the other four column gears two 93 to rotate, thereby causing the other two rotating rods 92 to rotate. During the rotation of the three rotating rods 92, the air around the ceramic tiles will be stirred, thereby allowing the air to better contact the ceramic tiles, further improving the heat recovery efficiency.

[0049] Embodiment 3: Based on embodiment 2, Figure 3-Figure 18 As shown, positioning rods 11 are also included. Four positioning rods 11 are welded on each of the tooth frames 71 . The positioning rods 11 are used to limit the placement frame 63 .

[0050] When the tooth frame 71 extends into the heat recovery box 3, the tooth frame 71 will drive the positioning rod 11 to extend into the heat recovery box 3. The positioning rod 11 will contact the placement frame 63 when it extends into the heat recovery box 3, and then all the placement frames 63 will be limited by limiting two of the placement frames 63, so that the placement frames 63 can be suspended more stably, thereby improving the stability of the device. When the tooth frame 71 drives the column gear 77 to rotate, the positioning rod 11 is always in contact with the placement frame 63, and the tooth frame 71 is reset to drive the positioning rod 11 to reset. The positioning rod 11 is reset and the placement frame 63 falls off, so that the placement frame 63 is no longer limited.

[0051] The above-mentioned embodiments only express the preferred implementation modes of the present invention, and the descriptions thereof are relatively specific and detailed, but they cannot be understood as limiting the scope of the present invention. It should be pointed out that, for a person skilled in the art, several modifications, improvements and substitutions can be made without departing from the concept of the present invention, and these all belong to the protection scope of the present invention. Therefore, the protection scope of the present invention patent shall be subject to the attached claims.

Claims

1. A waste heat recovery device for a ceramic brick electric kiln, characterized in that: The invention comprises a conveying platform (1), wherein an electric kiln (2) is arranged on the conveying platform (1), a heat recovery box (3) is fixedly connected inside the electric kiln (2), two openings are opened on the heat recovery box (3), an air outlet pipe (4) is fixedly connected to the top of the electric kiln (2), an air inlet pipe (5) is fixedly connected to the bottom of the electric kiln (2), the air outlet pipe (4) and the air inlet pipe (5) are both connected to the inside of the heat recovery box (3), and the heat recovery box (3) is provided with a rotating part, a driving part and a fixing part, the rotating part is used to drive the ceramic bricks to rotate, the driving part is used to assist the ceramic bricks to better move into or out of the rotating part, and the fixing part is used to fix the ceramic bricks.

2. The waste heat recovery device for a ceramic brick electric kiln according to claim 1, characterized in that: The rotating component comprises a rotating shaft (61), the rotating shaft (61) is rotatably connected to the heat recovery box (3), a servo motor (62) is fixedly connected to the electric kiln (2), an output shaft of the servo motor (62) is fixedly connected to the rotating shaft (61), a plurality of placement frames (63) are evenly fixedly connected to the rotating shaft (61), and a plurality of rollers (64) are rotatably connected to the placement frames (63).

3. The waste heat recovery device for a ceramic brick electric kiln according to claim 2, characterized in that: A plurality of the placement frames (63) are located inside the heat recovery box (3).

4. The waste heat recovery device for a ceramic brick electric kiln according to claim 2, characterized in that: The driving component comprises a gear frame (71), two gear frames (71) are slidably connected to the heat recovery box (3), and the two gear frames (71) are symmetrically arranged. Four electric push rods (72) are fixedly connected in the electric kiln (2), and the two sides of the gear frame (71) on the same side are respectively fixedly connected to the telescopic rods of the two electric push rods (72) on the same side. Two groups of rotating columns (73) are rotatably connected to each of the placement frames (63), and each group of rotating columns (73) has two in total. The two groups of rotating columns (73) on the same placement frame (63) are symmetrically arranged, and a conveyor belt (74) is wound between the two rotating columns (73) in each group. Two rotating rods (75) are fixedly connected to one of the rotating columns (73) in each group, and each rotating rod (75) is fixedly connected to two overrunning clutches (76), and each overrunning clutch (76) is fixedly connected to a column gear 1 (77).

5. The waste heat recovery device for a ceramic brick electric kiln according to claim 4, characterized in that: The conveyor belt (74) is made of high temperature resistant material.

6. The waste heat recovery device for a ceramic brick electric kiln according to claim 4, characterized in that: The fixing component comprises a pressing plate (101), two pressing plates (101) are slidably connected to the placement frame (63), the two pressing plates (101) are symmetrically arranged, and a second pressure spring (102) is connected between each pressing plate (101) and the placement frame (63). Two arc-shaped extrusion rods (103) are fixedly connected in the heat recovery box (3), and the two arc-shaped extrusion rods (103) are symmetrically arranged.

7. The waste heat recovery device for a ceramic brick electric kiln according to claim 6, characterized in that: The heat recovery box (3) also includes a sealing component, which is provided on the heat recovery box (3) and is used to enhance the sealing performance of the heat recovery box (3). The sealing component includes a sealing plate (81), two sealing plates (81) are slidably connected to the heat recovery box (3), and a plurality of return springs (82) are connected between the two sealing plates (81) and the heat recovery box (3). The placement frame (63) is fixedly connected with two sleeve rods (83), and a pressure rod (84) is slidably connected to the sleeve rod (83), and a pressure spring (85) is connected between the pressure rod (84) and the sleeve rod (83). The heat recovery box (3) is fixedly connected with four top blocks (86).

8. The waste heat recovery device for a ceramic brick electric kiln according to claim 7, characterized in that: The heat recovery auxiliary component is also included. The placement frame (63) is provided with the heat recovery auxiliary component. The heat recovery auxiliary component is used to improve the air flow in the heat recovery box (3). The heat recovery auxiliary component includes a mounting frame (91). Two mounting frames (91) are fixedly connected to the placement frame (63). The two mounting frames (91) are symmetrically arranged. A group of rotating rods (92) are rotatably connected between the two mounting frames (91). Each group of rotating rods (92) has three rotating rods. Each rotating rod (92) is fixedly connected to two column gears (93). A toothed belt (94) is wound between the three column gears (93) located on the same side. One of the rotating rods (92) in each group of rotating rods (92) is fixedly connected to two column gears (95). Two arc-shaped gear rods (96) are fixedly connected to the heat recovery box (3). The two arc-shaped gear rods (96) are symmetrically arranged.

9. The waste heat recovery device for a ceramic brick electric kiln according to claim 8, characterized in that: The column gear three (95) will mesh with the arc-shaped gear rod (96) during the process of rotating along with the rotating shaft (61).

10. The waste heat recovery device for electric ceramic kiln according to claim 8, characterized in that: It also includes positioning rods (11), and four positioning rods (11) are fixedly connected to each of the tooth frames (71).

Images