Kiln material channel bottom heating device

By designing the support frame and heating channel, and using a motor-driven rack and pinion transmission system to rotate the support disc, combined with a moving mechanism to adjust its position, the problem of uneven heating at the bottom of the kiln material channel was solved, achieving uniform heating of the kiln material channel and improving product quality and production efficiency.

CN223882725UActive Publication Date: 2026-02-06LIAONING JIANZHU VOCATIONAL UNIV
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Patent Information

Application Number
CN202520325047.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-27
Publication Date
2026-02-06
Estimated Expiration
2035-02-27

AI Technical Summary

Technical Problem

Existing bottom heating devices for kiln feed channels have problems in ensuring heating uniformity in large kilns or when large-area, high-intensity heating is required, which increases the probability of localized heating and thus increases the failure rate.

Method used

The design incorporates a support frame and heating channel. A motor drives a rack and pinion transmission system to rotate the support disc, and a moving mechanism adjusts the position of the support disc to ensure uniform heating within the heating channel.

Benefits of technology

It achieves uniform heating at the bottom of the kiln feed channel, improves product quality and production efficiency, reduces the probability of localized heating, and enhances the thermal stability and durability of the equipment.

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Abstract

The utility model relates to the technical field of kilns, and discloses a kiln material channel bottom heating device. A heating channel is fixedly connected to the top of a supporting frame, square doors are rotationally connected to the front side and the rear side of the heating channel, a motor is arranged at the right end of the front side of the supporting frame, a rotating short column is fixedly connected to the output end of the motor, and a second connecting rope is installed on the outer side of the rotating short column. A rack is fixedly connected to the rear side of the second connecting rope, a sliding groove block is slidably connected to the rear side of the rack, the bottom of the sliding groove block is fixedly connected with the bottom end of the interior of the heating channel, after a motor is started, a rotating short column pulls the rack to slide through the second connecting rope, the rack drives a gear to rotate, and then a supporting circular plate rotates; the springs ensure stable meshing of the racks and the gears, so that the multiple supporting circular plates rotate synchronously, and uniform heating in the heating channel is achieved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to kiln technical field especially relates to a kiln material channel bottom heating device. BACKGROUND

[0002] Kiln material channel is the channel for conveying and heating material in kiln, mainly made of refractory material, can bear high temperature, material in material channel passes through preheating, sintering and cooling process, finally completes heat treatment, the design and operation of material channel directly affect product quality and production efficiency.

[0003] Kiln material channel bottom heating device is the heating assembly installed in the bottom of material channel, mainly adopts electric heating element or gas burner, is used for providing uniform heat to ensure that material reaches the required temperature in the conveying process, the device passes through accurate control heating power and temperature distribution, optimizes the heating effect of material, promotes product quality and production efficiency, has good thermal stability and durability simultaneously, however, in the use process, due to the limited power of single electric heating tube, for large kiln or the material channel needing large area high intensity heating, need a large number of electric heating tube combination, then there will be the problem that heating uniformity is difficult to guarantee, in the prior art, by reasonably designing the ventilation group of kiln, ensure that the air in the kiln circulates well, good ventilation can take away the waste gas and water vapor generated in the heating process, avoid accumulation in the kiln, affect heat transfer and heating effect, but since the article cannot move, it is difficult to heat completely and uniformly, the probability of local heating increases, and the failure rate will increase. SUMMARY

[0004] In order to make up for the above shortcomings, the utility model provides a kiln material channel bottom heating device, which aims at improving the problem that the article cannot move in the prior art, and thus it is difficult to heat completely and uniformly, the probability of local heating increases, and the failure rate will increase.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme: a kiln material channel bottom heating device, comprising a support frame, the top of the support frame is fixedly connected with a heating channel, square doors are rotatably connected to the front and rear sides of the heating channel, a motor is arranged on the front right end of the support frame, the output end of the motor is fixedly connected with a rotating short column, a second connecting rope is installed on the outside of the rotating short column, a rack is fixedly connected to the rear side of the second connecting rope, a sliding groove block is slidably connected to the rear side of the rack, the bottom of the sliding groove block is fixedly connected with the inner bottom end of the heating channel, a plurality of supporting circular plates are equidistantly arranged in the heating channel, gears are rotatably connected to the top of the supporting circular plates, the right side of the gear is meshingly connected with the left side of the rack, a spring is fixedly connected to the rear side of the rack, a moving mechanism is installed in the heating channel, and the moving mechanism is used for moving the supporting circular plates.

[0006] As a further description of the above technical solutions:

[0007] The moving mechanism comprises a sliding engagement groove, which is arranged on the rear side of the square door; the bottom and left and right ends of the supporting circular plate are fixedly connected with moving blocks; the sliding blocks in the sliding engagement groove are slidably connected with a sliding circular rod; the bottom of the sliding circular rod is provided with an engagement plate; the bottom of the sliding circular rod is fixedly connected with a first connecting rope; the first connecting rope is fixedly connected with the moving blocks on the rear side; and the middle part of the moving block is fixedly connected with a connecting rod.

[0008] As a further description of the above technical solutions:

[0009] The rear side of the sliding circular rod is fixedly connected with a sliding handle, and the outer side of the sliding handle is provided with a protective sleeve.

[0010] As a further description of the above technical solutions:

[0011] The top of the heating channel is equidistantly connected with a plurality of straight pipes, and the top of the straight pipe is connected with a heat dissipation pipe.

[0012] As a further description of the above technical solutions:

[0013] The middle part of the supporting frame is fixedly connected with connecting plates at the front and rear ends, and the left and right ends of the middle part of the connecting plate are fixedly connected with supporting square plates.

[0014] As a further description of the above technical solutions:

[0015] The bottom of the motor is provided with a supporting plate, and the bottom of the heating channel is equidistantly provided with a plurality of burners.

[0016] As a further description of the above technical solutions:

[0017] The middle part of the right side of the heating channel is provided with an engagement groove plate, and the inside of the engagement groove plate is provided with a signboard.

[0018] As a further description of the above technical solutions:

[0019] The left side of the supporting frame is fixedly connected with sliding groove boxes at the front and rear ends, the inside of the sliding groove box is equidistantly slidably connected with a plurality of hooks, the bottom of the far side of the two square doors is provided with a fixed handle, and the left and right ends of the fixed handle are threadedly connected with screws.

[0020] The utility model has the advantages of the following beneficial effects:

[0021] 1. In the utility model, after the motor starts, the rotating short column pulls the rack to slide through the second connecting rope, the rack drives the gear to rotate, and then makes the supporting circular plate rotate, the spring ensures the stable meshing of the rack and the gear, and then makes the multiple supporting circular plates rotate synchronously, realizes the even heating in the heating channel.

[0022] 2. In the utility model, the moving sliding circular rod drives the first connecting rope, pulls the moving block to slide along the sliding clamping groove, the moving block moves the supporting circular plate through the connecting rod, the clamping plate limits the range of the sliding circular rod, ensures the stable and accurate movement, makes the position of the supporting circular plate adjustable, realizes the flexible heating effect. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 A perspective view of a kiln material channel bottom heating device is proposed for the utility model;

[0024] Figure 2 A side view of a kiln material channel bottom heating device is proposed for the utility model;

[0025] Figure 3 A rear view of a kiln material channel bottom heating device is proposed for the utility model;

[0026] Figure 4 A partial structure schematic view of a kiln material channel bottom heating device is proposed for the utility model;

[0027] Figure 5 A partial structure display view of a kiln material channel bottom heating device is proposed for the utility model.

[0028] LEGEND:

[0029] 1, support frame; 2, moving mechanism; 201, moving block; 202, connecting rod; 203, sliding clamping groove; 204, sliding circular rod; 205, first connecting rope; 206, clamping plate; 3, sliding handle; 4, protective sleeve; 5, heating channel; 6, signboard; 7, square door; 8, clamping groove plate; 9, heat dissipation pipeline; 10, straight pipeline; 11, fixed handle; 12, screw; 13, motor; 14, rotating short column; 15, supporting plate; 16, connecting plate; 17, supporting square plate; 18, burner; 19, sliding groove box; 20, hook; 21, second connecting rope; 22, sliding groove block; 23, gear; 24, rack; 25, spring; 26, supporting circular plate. DETAILED DESCRIPTION

[0030] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative work are within the scope of the present application.

[0031] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative work are within the scope of the present application. Figure 1 、 Figure 2 and Figure 4 An embodiment provided by the present application is a kiln material channel bottom heating device, which comprises a support frame 1, the top of the support frame 1 is fixedly connected with a heating channel 5, the front and rear sides of the heating channel 5 are both rotatably connected with a square door 7, the front right end of the support frame 1 is provided with a motor 13, the output end of the motor 13 is fixedly connected with a rotating short column 14, the installation of the motor 13 provides power for the subsequent process, the outer side of the rotating short column 14 is installed with a second connecting rope 21, the rear side of the second connecting rope 21 is fixedly connected with a rack 24, the rear side of the rack 24 is slidably connected with a sliding groove block 22, the bottom of the sliding groove block 22 is fixedly connected with the inner bottom end of the heating channel 5, a plurality of support circular plates 26 are equidistantly arranged in the heating channel 5, the top of the support circular plate 26 is rotatably connected with a gear 23, the right side of the gear 23 is meshingly connected with the left side of the rack 24, the rear side of the rack 24 is fixedly connected with a spring 25, the installation of the spring 25 enables the rack 24 to make reciprocating motion, a moving mechanism 2 is installed in the heating channel 5, the moving mechanism 2 is used for supporting the movement of the support circular plate 26, a plurality of straight type pipes 10 are equidistantly communicated with the top of the heating channel 5, the top of the straight type pipe 10 is communicated with a heat dissipation pipe 9, the installation of the heat dissipation pipe 9 enables heat to be dissipated, the middle front and rear ends of the support frame 1 are both fixedly connected with a connecting plate 16, the middle left and right ends of the connecting plate 16 are both fixedly connected with a support square plate 17, the bottom of the motor 13 is installed with a support plate 15, a plurality of burners 18 are equidistantly installed at the bottom of the heating channel 5, the installation of the support plate 15 enables the motor 13 to be installed more stably, the installation of the burner 18 enables the heating to be more uniform;

[0032] Specifically, when the motor 13 starts to work, its output end drives the rotating short column 14 to rotate, the rotating short column 14 pulls the rack 24 to slide in the sliding groove block 22 through the second connecting rope 21, the movement of the rack 24 drives the gear 23 engaged therewith to rotate, the rotation of the gear 23 further drives the supporting circular plate 26 to rotate, the spring 25 serves to keep the engagement of the rack 24 and the gear 23, and ensure the stability of transmission, wherein the materials of the second connecting rope 21 and the first connecting rope 205 are 310S stainless steel, so as to avoid breakage during the firing process. Through the above process, the plurality of supporting circular plates 26 in the heating channel 5 can rotate synchronously, thereby achieving the effect of uniform heating.

[0033] With reference to Figure 1 , Figure 3 and Figure 5 , the moving mechanism 2 comprises a sliding clamping groove 203, which is arranged on the rear side of the rear square door 7, the left and right ends of the bottom of the supporting circular plate 26 are fixedly connected with moving blocks 201, and the sliding block 204 in the sliding clamping groove 203 is slidably connected with a sliding circular rod 204. Through the arrangement of the sliding clamping groove 203, the sliding circular rod 204 can move more stably. The bottom of the sliding circular rod 204 is provided with a clamping plate 206, the bottom of the sliding circular rod 204 is fixedly connected with a first connecting rope 205, the first connecting rope 205 is fixedly connected with the rear moving block 201, the middle of the moving block 201 is fixedly connected with a connecting rod 202, the rear side of the sliding circular rod 204 is fixedly connected with a sliding handle 3, and the outer side of the sliding handle 3 is provided with a protective sleeve 4. Through the installation of the sliding handle 3, the movement of the sliding circular rod 204 is facilitated.

[0034] Specifically, during operation, when it is necessary to adjust the position of the supporting circular plate 26, first, the sliding circular rod 204 is moved, so that the sliding circular rod 204 moves in the sliding clamping groove 203, and then the first connecting rope 205 is moved. The other end of the first connecting rope 205 is connected with the moving block 201. With the movement of the sliding circular rod 204, the first connecting rope 205 pulls the moving block 201 to slide along the sliding clamping groove 203. The moving block 201 is connected with the supporting circular plate 26 through the connecting rod 202. The movement of the moving block 201 causes the supporting circular plate 26 to move in the heating channel 5. Through the installation of the clamping plate 206, unnecessary movement is prevented. Through the above process, the supporting circular plate 26 can be moved to the desired position, thereby improving the heating effect.

[0035] With reference to Figure 1 , Figure 2 and Figure 3The right middle part of the heating channel 5 is provided with a clamping groove plate 8, the inside of the clamping groove plate 8 is provided with a notice board 6, the left front and rear ends of the support frame 1 are fixedly connected with sliding groove boxes 19, a plurality of hooks 20 are slidably connected in the sliding groove boxes 19 at equal intervals, the bottom of the far side of the two square doors 7 is provided with a fixed handle 11, and the left and right ends of the fixed handle 11 are threadedly connected with screws 12.

[0036] Specifically, the installation of the notice board 6 facilitates the reminding of the staff, the installation of the hooks 20 facilitates the taking and use of parts, and the installation of the fixed handle 11 facilitates the opening and closing of the square door 7.

[0037] Working principle: when the motor 13 is started, the output end drives the rotating short column 14 to rotate, the rotating short column 14 drives the rack 24 to slide in the sliding groove block 22 through the second connecting rope 21, the movement of the rack 24 drives the gear 23 meshing with the rack 24 to rotate, the rotation of the gear 23 further drives the support circular plate 26 to rotate, the spring 25 is used for keeping the meshing of the rack 24 and the gear 23, and the stability of transmission is ensured, wherein the materials of the second connecting rope 21 and the first connecting rope 205 are 310S stainless steel, so that the breakage in the firing process is avoided, through the above process, the plurality of support circular plates 26 in the heating channel 5 can rotate synchronously, so that the uniform heating effect is realized.

[0038] When the support circular plate 26 needs to be moved, the sliding circular rod 204 is moved to slide in the sliding clamping groove 203, the first connecting rope 205 is moved, the first connecting rope 205 drives the moving block 201 to slide along the sliding clamping groove 203, the moving block 201 is connected with the support circular plate 26 through the connecting rod 202, so that the support circular plate 26 is moved in the heating channel 5, the clamping plate 206 is used for limiting the sliding range of the sliding circular rod 204, and the stability and accuracy of movement are ensured, through the above process, the support circular plate 26 can be adjusted in position as required, and the more flexible heating effect is realized.

[0039] Finally, it should be noted that: the above only describes preferred embodiments of the utility model, and is not used for limiting the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical scheme recorded in the foregoing embodiments can still be modified, or some technical features can be replaced equivalently, and any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A kiln channel bottom heating device comprising a support frame (1), characterized in that: A heating channel (5) is fixedly connected to the top of the support frame (1). Square doors (7) are rotatably connected to the front and rear sides of the heating channel (5). A motor (13) is installed at the front right end of the support frame (1). A rotating short column (14) is fixedly connected to the output end of the motor (13). A second connecting rope (21) is installed on the outside of the rotating short column (14). A rack (24) is fixedly connected to the rear side of the second connecting rope (21). A sliding groove block (22) is slidably connected to the rear side of the rack (24). The bottom of the block (22) is fixedly connected to the bottom of the heating channel (5). Multiple support circular plates (26) are equidistantly arranged inside the heating channel (5). A gear (23) is rotatably connected to the top of the support circular plate (26). The right side of the gear (23) meshes with the left side of the rack (24). A spring (25) is fixedly connected to the rear side of the rack (24). A moving mechanism (2) is installed inside the heating channel (5). The moving mechanism (2) is used to move the support circular plate (26).

2. A kiln stock channel bottom heating device according to claim 1, characterized in that: The moving mechanism (2) includes a sliding engagement groove (203), which is located on the rear side of the square door (7). The bottom left and right ends of the supporting circular plate (26) are fixedly connected to moving blocks (201). The sliding block inside the sliding engagement groove (203) is slidably connected to a sliding rod (204). The bottom of the sliding rod (204) is provided with an engagement plate (206). The bottom of the sliding rod (204) is fixedly connected to a first connecting rope (205). The first connecting rope (205) is fixedly connected to the rear moving block (201). The middle part of the moving block (201) is fixedly connected to a connecting rod (202).

3. A kiln stock channel bottom heating device according to claim 2, characterized in that: A sliding handle (3) is fixedly connected to the rear side of the sliding rod (204), and a protective sleeve (4) is installed on the outside of the sliding handle (3).

4. A kiln stock channel bottom heating device according to claim 1, characterized in that: The top of the heating channel (5) is connected to a plurality of straight pipes (10) at equal intervals, and the top of the straight pipes (10) is connected to a heat dissipation pipe (9).

5. A kiln stock channel bottom heating device according to claim 1, characterized in that: The support frame (1) is fixedly connected to the front and rear ends of the middle section with connecting plates (16), and the left and right ends of the middle section of the connecting plate (16) are fixedly connected to supporting square plates (17).

6. A kiln stock channel bottom heating device according to claim 1, characterized in that: A support plate (15) is installed at the bottom of the motor (13), and multiple burners (18) are installed at equal intervals at the bottom of the heating channel (5).

7. A kiln stock channel bottom heating device according to claim 1, characterized in that: A slot plate (8) is installed in the middle right side of the heating channel (5), and a notice board (6) is installed inside the slot plate (8).

8. A kiln stock channel bottom heating device according to claim 1, characterized in that: The front and rear ends of the left side of the support frame (1) are fixedly connected to a sliding box (19). Multiple hooks (20) are equidistantly slidably connected inside the sliding box (19). Fixed handles (11) are installed on the bottom of the two square doors (7) on opposite sides. Screws (12) are threaded to the left and right ends of the fixed handles (11).