An industrial kiln based on a furnace uniform air intake structure

Abstract

The present invention discloses an industrial kiln based on a furnace uniform air intake structure, including a kiln and a driving mechanism, wherein the kiln includes a kiln body, two partition doors and two rail cars, two groups of partition door guide grooves are fixedly installed on the inner wall of the kiln body, the two partition doors are slidably installed on the two groups of partition door guide grooves, the two rail cars are slidably installed on the bottom of the kiln body, and the opposite ends of the two rail cars are fixedly installed with convex rods; the driving mechanism includes two mounting plates, a screw rod, a rack, a screw slider, a linkage assembly and a partition door frame, the two mounting plates are fixedly installed on the two ends of the kiln body, the screw rod is rotatably installed between the two mounting plates, the rack is slidably installed on one side of the kiln body, and the two ends of the rack are installed with pull rods, and the linkage assembly can drive the partition door to rise along the partition door frame. Through the above-mentioned structural arrangement, the present invention can quickly complete material replacement, improve calcination efficiency, and reduce heat dissipation.

Description

Technical Field

[0001] The invention relates to the field of industrial kilns, and in particular to an industrial kiln based on a furnace uniform air intake structure. Background Art

[0002] A kiln is a device made of refractory materials for calcining materials or firing products. It is generally made of bricks and stones. It can be made into various sizes according to needs and can be operated by combustible gas, oil or electricity.

[0003] During the use of existing industrial kilns, after the materials are placed in the furnace for calcination, the kiln needs to be cooled down and the materials need to be taken out. The residual heat in the kiln is directly lost, resulting in heat waste. When the next batch of materials is calcined, the kiln needs to be preheated and heated again. The energy consumption of industrial kilns is large, and the cooling and heating processes are time-consuming, which affects the speed of industrial processing. Summary of the invention

[0004] The purpose of the present application is to provide an industrial kiln based on a furnace uniform air intake structure, in which two partitions are arranged on the kiln body to divide the kiln body into three parts, the middle part of the kiln body is a calcining bin, and the two sides of the kiln body are cooling bins. Two rail cars are slidably installed on the bottom of the kiln body, and the two rail cars are moved synchronously. The rail car at the calcining bin position moves to one of the cooling bin positions, and the rail car at the other cooling bin position moves to the calcining bin position, so that material replacement can be completed quickly, the process of cooling and heating the calcining bin is omitted, the calcination efficiency is improved, and the heat energy dissipation is reduced.

[0005] To achieve the above-mentioned purpose, the present application provides the following technical solutions: an industrial kiln based on a furnace uniform air intake structure, comprising a kiln and two driving mechanisms, the kiln comprising a kiln body, two partition doors and two rail cars, two groups of partition door guide grooves are fixedly installed on the inner wall of the kiln body, the two partition doors are respectively slidably installed on the two groups of partition door guide grooves, the two rail cars are both slidably installed on the bottom of the kiln body, and the opposite ends of the two rail cars are fixedly installed with convex rods; the two driving mechanisms are respectively installed on both sides of the kiln body, and the driving mechanism includes two installation A mounting plate, a screw rod, a motor, a rack, a screw slider, a linkage assembly and a partition door frame, wherein the two mounting plates are respectively fixedly mounted on the two ends of the kiln body, the screw rod is rotatably mounted between the two mounting plates, the motor is fixedly mounted on one of the mounting plates, the output end of the motor is fixedly connected to the screw rod, the rack is slidably mounted on one side of the kiln body, both ends of the rack are fixedly mounted with pull rods, the two protruding rods are arranged between the two pull rods, the partition door frame is fixedly mounted on the upper end of the kiln body, and one of the partition doors is inserted through the top of the kiln body and the partition door The kiln body is provided with a first one-way driving member, a second one-way driving member, a first pulley, a second pulley, a winding wheel, a third pulley, a fourth pulley, a first belt, and a second belt. The first one-way driving member, the second one-way driving member, and the winding wheel are all rotatably mounted on one side of the kiln body. The first one-way driving member and the second one-way driving member are symmetrically arranged on both sides of the winding wheel. The first pulley is coaxially arranged with the first one-way driving member, the second pulley is coaxially arranged with the second one-way driving member, and the third pulley and the fourth pulley are both coaxially arranged with the winding wheel. The first belt is mounted on the first pulley and the third pulley, the second belt is mounted on the second pulley and the fourth pulley, the first one-way driving member can drive the first pulley to rotate in one direction, and the second one-way driving member can drive the second pulley to rotate in one direction; the driving mechanism also includes a plurality of fixed pulleys and a steel cable, the plurality of fixed pulleys are fixedly mounted on the upper end of the kiln body and the upper end of the partition door frame, one end of the steel cable is fixedly connected to the winding wheel, the steel cable is wound around a plurality of fixed pulleys, and the other end of the steel cable is fixedly connected to the upper end of one of the partition doors.

[0006] Preferably, the first one-way driving member includes an inner ratchet, a turntable and a pawl, the inner ratchet and the turntable are both rotatably mounted on the kiln body, the inner ratchet is coaxially arranged with the turntable, the pawl is rotatably mounted on the side of the turntable, the pawl cooperates with the inner ratchet, the first pulley is fixedly connected with the turntable, a plurality of first meshing teeth are provided in an annular array on the outer wall of the inner ratchet, a plurality of second meshing teeth are provided in a linear array on the upper end of the rack, and the first meshing teeth cooperate with the second meshing teeth.

[0007] Preferably, the two pawls on the linkage assembly are both arranged toward the direction of the winding wheel.

[0008] Preferably, the racks on the two driving mechanisms are arranged at the same end of the kiln body.

[0009] Preferably, a magnetic metal is fixedly mounted on the top of the partition door, an electromagnet is fixedly mounted on the top of the partition door frame, a push switch is fixedly mounted on the mounting plate, and the push switch is electrically connected to the electromagnet.

[0010] Preferably, a lifting block is slidably installed on the top of the partition door guide groove, and a positioning rod is fixedly installed on the lower end of the lifting block. The positioning rod passes through the partition door guide groove, and both sides of the bottom of the partition door are provided with protrusions, and the positions of the protrusions correspond to the positions of the lifting block. A plurality of positioning holes are provided at the upper end of the rail car, and the positioning rod cooperates with the positioning holes.

[0011] Preferably, it also includes an inlet and outlet heat exchange mechanism, which includes two first manifolds, an exhaust main pipe, a heat exchange box, two second manifolds, an air inlet main pipe and a heat exchange pipe. The two first manifolds are arranged on both sides above the kiln body. A plurality of exhaust branch pipes are fixedly installed on the two first manifolds. The plurality of exhaust branch pipes are connected to the middle part of the kiln body. The two first manifolds are connected to the exhaust main pipe. A connecting pipe is fixedly installed in the middle part of the exhaust main pipe. The heat exchange box is fixedly installed at the upper end of the kiln body. The exhaust main pipe It is connected with one end of the heat exchange box through a connecting pipe, and two second manifolds are arranged on both sides of the kiln body. Multiple air intake branch pipes are fixedly installed on the two second manifolds, and the multiple air intake branch pipes are connected with the middle part of the kiln body. The air intake main pipe is fixedly installed at one end inside the heat exchange box, and the two second manifolds are inserted through the heat exchange box to communicate with the air intake main pipe. The heat exchange pipe is fixedly installed inside the heat exchange box, and the air intake main pipe is connected with the heat exchange pipe. One end of the heat exchange pipe is inserted through the other end of the heat exchange box, and the other end of the heat exchange box is provided with an exhaust hole.

[0012] Preferably, a plurality of partitions are provided in the heat exchange box, and the plurality of partitions form a serpentine channel inside the heat exchange box. The heat exchange tube is serpentine-shaped and arranged along the serpentine channel.

[0013] In summary, the technical effects and advantages of the present invention are as follows:

[0014] 1. In the present invention, two partitions are arranged on the kiln body to divide the kiln body into three parts. The middle part of the kiln body is a calcining bin, and the two sides of the kiln body are cooling bins. Two rail cars are slidably installed on the bottom of the kiln body. The two rail cars are moved synchronously, the rail car at the calcining bin position moves to one of the cooling bin positions, and the rail car at the other cooling bin position moves to the calcining bin position. The material replacement can be completed quickly, the process of cooling and heating the calcining bin is omitted, the calcination efficiency is improved, and the heat dissipation is reduced.

[0015] 2. In the present invention, through the structural setting of the driving mechanism, when the rack is moved from one end of the kiln body to the middle thereof, the partition door can be driven to rise, and when the rack is moved from the middle of the kiln body to the other end, the partition door is fixed under the action of the electromagnet. When the rack contacts the press switch, the electromagnet is powered off, the partition door descends, and the rack moves from the kiln body to the other end thereof until it can drive the rail car to move. In summary, driving the rack to move can first drive the partition door to rise, and then drive the rail car to move. After the rail car moves into place, the partition door descends to complete the switching of the calcined materials. The driving structure is simple, the linkage is strong, and the operation is convenient.

[0016] 3. In the present invention, the exhaust main pipe is connected to the calcining bin through two first manifolds and a plurality of exhaust branch pipes, the exhaust main pipe is connected to the heat exchange box through a connecting pipe, the intake main pipe is connected to the calcining bin through a second manifold and a plurality of intake branch pipes, and the intake main pipe is connected to the heat exchange pipes, the heat exchange pipes and the intake main pipe are both arranged in the heat exchange box, the input gas and the exhaust gas complete heat exchange in the heat exchange box, and the exhaust gas is preheated by using the waste heat of the exhaust gas to reduce heat energy loss. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For those skilled in the art, other drawings can be obtained based on these drawings without paying any creative work.

[0018] Figure 1 It is a structural schematic diagram of the present invention;

[0019] Figure 2 It is a schematic diagram of the cutaway structure of the kiln of the present invention;

[0020] Figure 3 It is a structural schematic diagram of the driving mechanism of the present invention;

[0021] Figure 4 It is a structural schematic diagram of the driving mechanism of the present invention from another angle;

[0022] Figure 5It is a structural schematic diagram of the linkage assembly of the present invention;

[0023] Figure 6 It is a schematic diagram of the cross-section structure of the driving mechanism of the present invention;

[0024] Figure 7 For the present invention Figure 6 Enlarged view of point A in the middle;

[0025] Figure 8 It is a schematic diagram of the cutaway structure of the partition door guide groove of the present invention;

[0026] Fig. 9 It is a schematic cross-sectional structure diagram of the inlet and outlet air heat exchange mechanism of the present invention.

[0027] In the figure: 1. kiln; 101. kiln body; 102. partition door guide groove; 103. partition door; 104. rail car; 105. protruding rod; 106. lifting block; 107. positioning rod; 2. driving mechanism; 201. mounting plate; 202. lead screw; 203. motor; 204. rack; 205. lead screw slider; 206. linkage assembly; 2061. first one-way driving member; 20611. inner ratchet; 20612. turntable; 20613. ratchet; 2062. second one-way driving member; 2063. first pulley; 2064 , second pulley; 2065, take-up wheel; 2066, third pulley; 2067, fourth pulley; 2068, first belt; 2069, second belt; 207, partition door frame; 208, fixed pulley; 209, steel cable; 210, electromagnet; 211, pulling rod; 3, inlet and outlet air heat exchange mechanism; 301, first manifold; 302, exhaust branch pipe; 303, exhaust main pipe; 304, connecting pipe; 305, heat exchange box; 306, second manifold; 307, intake branch pipe; 308, intake main pipe; 309, heat exchange pipe. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0029] Example 1: Reference Figure 1 - Figure 4An industrial kiln based on a furnace uniform air intake structure is shown, comprising a kiln 1 and two driving mechanisms 2, wherein the kiln 1 comprises a kiln body 101, two partition doors 103 and two rail cars 104, two groups of partition door guide grooves 102 are fixedly installed on the inner wall of the kiln body 101, the two partition doors 103 are respectively slidably installed on the two groups of partition door guide grooves 102, the two rail cars 104 are both slidably installed on the bottom of the kiln body 101, and convex rods 105 are fixedly installed on opposite ends of the two rail cars 104, the interior of the kiln body 101 is divided into three parts by the partition doors 103, the middle part of the kiln body 101 is a calcining bin, and the two side parts of the kiln body 101 are cooling bins.

[0030] The two driving mechanisms 2 are respectively installed on both sides of the kiln body 101, and the driving mechanism 2 includes two mounting plates 201, a screw rod 202, a motor 203, a rack 204, a screw slider 205, a linkage assembly 206 and a partition door frame 207. The two mounting plates 201 are respectively fixedly installed at both ends of the kiln body 101, the screw rod 202 is rotatably installed between the two mounting plates 201, and the motor 203 is fixedly installed on one of the mounting plates 201. The output end of the motor 203 is connected to the screw rod. 202 is fixedly connected, the rack 204 is slidably installed on one side of the kiln body 101, and the two ends of the rack 204 are fixedly installed with pull rods 211. The two protruding rods 105 are arranged between the two pull rods 211. The partition door frame 207 is fixedly installed on the upper end of the kiln body 101, and one of the partition doors 103 is inserted through the top of the kiln body 101 and is slidably connected to the partition door frame 207. The linkage assembly 206 can drive the partition door 103 to rise along the partition door frame 207. The industrial kiln is in a state as shown in FIG. Figure 4 When the material is in the middle state, the left rail car 104 can be pulled outward to load and unload materials. The material on the right rail car 104 is in the calcining bin for calcining. After the calcination is completed, the left rail car 104 completes the loading, and the partition door 103 is driven to rise through the linkage assembly 206. The motor 203 can drive the lead screw 202 to rotate, drive the lead screw slider 205 to move, thereby driving the rack 204 to move. The pulling rod 211 on the rack 204 acts on the convex rod 105 on the rail car 104, which can drive the rail car 104 to move. The right rail car 104 moves to the right cooling bin, and the material is cooled. The left rail car 104 moves to the calcining bin position to calcine the material. Compared with the existing industrial kilns, the industrial kiln can quickly complete the material replacement, omits the process of cooling and heating the calcining bin, improves the calcination efficiency, and reduces the heat dissipation.

[0031] Embodiment 2 is different from the above embodiment in that Figure 5As shown, the linkage assembly 206 includes a first one-way driving member 2061, a second one-way driving member 2062, a first pulley 2063, a second pulley 2064, a winding wheel 2065, a third pulley 2066, a fourth pulley 2067, a first belt 2068 and a second belt 2069. The first one-way driving member 2061, the second one-way driving member 2062 and the winding wheel 2065 are all rotatably mounted on one side of the kiln body 101. The first one-way driving member 2061 and the second one-way driving member 2062 are symmetrically arranged on both sides of the winding wheel 2065. The first pulley 2063 is coaxially arranged with the first one-way driving member 2061. The second pulley 2064 is coaxially arranged with the second one-way driving member 2062. Coaxially arranged, the third pulley 2066 and the fourth pulley 2067 are both fixedly connected to the winding wheel 2065, the first belt 2068 is sleeved on the first pulley 2063 and the third pulley 2066, the second belt 2069 is sleeved on the second pulley 2064 and the fourth pulley 2067, the first one-way driving member 2061 can drive the first pulley 2063 to rotate in one direction, thereby driving the third pulley 2066 to rotate through the first belt 2068, that is, driving the winding wheel 2065 to rotate, the second one-way driving member 2062 can drive the second pulley 2064 to rotate in one direction, thereby driving the fourth pulley 2067 to rotate through the second belt 2069, that is, driving the winding wheel 2065 to rotate.

[0032] Embodiment 3 is different from the above embodiments in that Figure 6 As shown, the driving mechanism 2 also includes a plurality of fixed pulleys 208 and a steel cable 209. The plurality of fixed pulleys 208 are fixedly mounted on the upper end of the kiln body 101 and the upper end of the partition door frame 207. One end of the steel cable 209 is fixedly connected to a winding wheel 2065. The steel cable 209 is wound around a plurality of fixed pulleys 208. The other end of the steel cable 209 is fixedly connected to the upper end of one of the partition doors 103. The winding wheel 2065 can rotate to drive the partition door 103 to rise along the partition door frame 207 through the steel cable 209.

[0033] Embodiment 4 is different from the above embodiments in that Figure 7As shown, the first one-way driving member 2061 includes an inner ratchet 20611, a rotating disk 20612 and a pawl 20613. The inner ratchet 20611 and the rotating disk 20612 are both rotatably mounted on the kiln body 101. The inner ratchet 20611 and the rotating disk 20612 are coaxially arranged. The pawl 20613 is rotatably mounted on the side of the rotating disk 20612. The pawl 20613 cooperates with the inner ratchet 20611. The first belt pulley 206 3 is fixedly connected to the rotating disk 20612, a plurality of first meshing teeth are arranged in a circular array on the outer wall of the inner ratchet 20611, and a plurality of second meshing teeth are arranged in a linear array on the upper end of the rack 204, the first meshing teeth cooperate with the second meshing teeth, and the inner ratchet 20611 can be driven to rotate in one direction by moving the rack 204 in one direction, thereby driving the rotating disk 20612 to rotate, driving the first pulley 2063 to rotate, and playing the role of unidirectional driving.

[0034] The two ratchets 20613 on the linkage assembly 206 are both arranged toward the winding wheel 2065 . When the rack 204 is moved from one side to the middle of the kiln body 101 , the first one-way driving member 2061 or the second one-way driving member 2062 can be driven to rotate, thereby driving the partition door 103 to rise along the partition door frame 207 .

[0035] The racks 204 on the two driving mechanisms 2 are arranged at the same end of the kiln body 101 , and the two racks 204 can be driven simultaneously to drive the rail vehicle 104 to move from both sides, thereby increasing the stability of the movement of the rail vehicle 104 .

[0036] A magnetic metal is fixedly installed on the top of the partition door 103, an electromagnet 210 is fixedly installed on the top of the partition door frame 207, and a push switch is fixedly installed on the mounting plate 201. The push switch is electrically connected to the electromagnet 210. When the rack 204 moves to the middle of the kiln body 101, the partition door 103 rises to the top of the partition door frame 207, and the magnetic metal contacts the electromagnet 210 and is adsorbed. When the rack 204 moves to the mounting plate 201, the rack 204 contacts the push switch, the electromagnet 210 is powered off, and the partition door 103 descends under the action of its own weight, so that the lifting and lowering of the partition door 103 adapts to the movement of the rail car 104.

[0037] Embodiment 5 is different from the above embodiments in that Figure 8 As shown, a lifting block 106 is slidably installed on the top of the partition door guide groove 102, and a positioning rod 107 is fixedly installed on the lower end of the lifting block 106. The positioning rod 107 passes through the partition door guide groove 102. Both sides of the bottom of the partition door 103 are provided with protrusions, and the position of the protrusions corresponds to the position of the lifting block 106. The upper end of the rail car 104 is provided with a plurality of positioning holes, and the positioning rod 107 cooperates with the positioning holes. Figure 8In the middle state, the positioning rod 107 cooperates with the positioning hole to position the rail car 104 at the calcining bin. When the partition door 103 rises to the top, the protrusion acts on the lifting block 106, driving the positioning rod 107 to rise, the positioning rod 107 disengages from the positioning hole, and the rail car 104 can move.

[0038] Embodiment 6 is different from the above embodiments in that Fig. 9 As shown, it also includes an inlet and outlet heat exchange mechanism 3, which includes two first manifolds 301, an exhaust manifold 303, a heat exchange box 305, two second manifolds 306, an inlet manifold 308 and a heat exchange pipe 309. The two first manifolds 301 are arranged on both sides above the kiln body 101. A plurality of exhaust branch pipes 302 are fixedly installed on the two first manifolds 301. The plurality of exhaust branch pipes 302 are connected to the middle part of the kiln body 101. The two second manifolds 306 are arranged on both sides above ... The first and second manifolds 301 are connected to the exhaust main pipe 303, and a connecting pipe 304 is fixedly installed in the middle of the exhaust main pipe 303. The heat exchange box 305 is fixedly installed on the upper end of the kiln body 101. The exhaust main pipe 303 is connected to one end of the heat exchange box 305 through the connecting pipe 304. Two second manifolds 306 are arranged on both sides of the kiln body 101. Multiple air intake branch pipes 307 are fixedly installed on the two second manifolds 306. The multiple air intake branch pipes 307 are connected to the kiln body 101. The air intake manifold 308 is fixedly installed at one end of the heat exchange box 305, and the two second manifolds 306 are inserted through the heat exchange box 305 and communicated with the air intake manifold 308. The heat exchange pipe 309 is fixedly installed inside the heat exchange box 305, and the air intake manifold 308 is communicated with the heat exchange pipe 309. One end of the heat exchange pipe 309 is inserted through the other end of the heat exchange box 305. The other end of the heat exchange box 305 is provided with an exhaust hole. The hot gas flows into the first manifold 301 through the exhaust branch pipe 302, and then flows into the heat exchange box 305 through the exhaust main pipe 303, and finally is discharged from the exhaust hole, and gas is input into the heat exchange pipe 309. After heat exchange, the gas flows into the intake main pipe 308, and then flows into the kiln body 101 through the second manifold 306 and the intake branch pipe 307. The kiln body 101 is evenly fed with air to provide oxygen for the calcination of the material. Through the above-mentioned structural arrangement, the waste heat of the exhaust gas is used to preheat the intake air, thereby reducing the heat energy loss.

[0039] The heat exchange box 305 is provided with a plurality of partitions, and the plurality of partitions form a serpentine channel inside the heat exchange box 305. The heat exchange tube 309 is serpentine, and the heat exchange tube 309 is arranged along the serpentine channel, which increases the heat exchange time between the exhaust gas and the input gas and improves the heat exchange effect.

[0040] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An industrial kiln based on a furnace uniform air intake structure, comprising a kiln and two driving mechanisms, characterized in that: The kiln comprises a kiln body, two partition doors and two rail cars, two groups of partition door guide grooves are fixedly installed on the inner wall of the kiln body, the two partition doors are slidably installed on the two groups of partition door guide grooves, the two rail cars are slidably installed on the bottom of the kiln body, the opposite ends of the two rail cars are fixedly installed with convex rods, the two driving mechanisms are respectively installed on both sides of the kiln body, the driving mechanism comprises two mounting plates, a screw rod, a motor, a rack, a screw slider, a linkage assembly and a partition door frame, the two mounting plates are respectively fixedly installed on the two ends of the kiln body, the screw rod is rotatably installed between the two mounting plates, the motor is fixedly installed on one of the mounting plates, the output end of the motor is fixedly connected to the screw rod, the rack is slidably installed on one side of the kiln body, the two ends of the rack are fixedly installed with pull rods, the two convex rods are arranged between the two pull rods, the partition door frame is fixedly installed on the upper end of the kiln body, and one of the partition doors passes through the top of the kiln body and is slidably connected to the partition door frame; The linkage assembly includes a first one-way driving member, a second one-way driving member, a first pulley, a second pulley, a winding wheel, a third pulley, a fourth pulley, a first belt and a second belt. The first one-way driving member, the second one-way driving member and the winding wheel are all rotatably installed on one side of the kiln body. The first one-way driving member and the second one-way driving member are symmetrically arranged on both sides of the winding wheel. The first pulley is coaxially arranged with the first one-way driving member, the second pulley is coaxially arranged with the second one-way driving member, the third pulley and the fourth pulley are both fixedly connected with the winding wheel, the first belt is sleeved on the first pulley and the third pulley, the second belt is sleeved on the second pulley and the fourth pulley, the first one-way driving member can drive the first pulley to rotate in one direction, and the second one-way driving member can drive the second pulley to rotate in one direction; The driving mechanism also includes a plurality of fixed pulleys and steel cables. The plurality of fixed pulleys are fixedly mounted on the upper end of the kiln body and the upper end of the partition door frame. One end of the steel cable is fixedly connected to the winding wheel. The steel cable is wound around the plurality of fixed pulleys. The other end of the steel cable is fixedly connected to the upper end of one of the partition doors.

2. The industrial kiln based on the furnace uniform air intake structure according to claim 1 is characterized by: The first one-way driving member includes an inner ratchet, a turntable and a pawl. The inner ratchet and the turntable are both rotatably mounted on the kiln body. The inner ratchet is coaxially arranged with the turntable. The pawl is rotatably mounted on the side of the turntable. The pawl cooperates with the inner ratchet. The first pulley is fixedly connected with the turntable. A plurality of first meshing teeth are provided in an annular array on the outer wall of the inner ratchet. A plurality of second meshing teeth are provided in a linear array on the upper end of the rack. The first meshing teeth cooperate with the second meshing teeth.

3. The industrial kiln based on the furnace uniform air intake structure according to claim 2 is characterized in that: The two ratchets on the linkage assembly are both arranged toward the direction of the winding wheel.

4. The industrial kiln based on the furnace uniform air intake structure according to claim 1 is characterized by: The racks on the two driving mechanisms are arranged at the same end of the kiln body.

5. The industrial kiln based on the furnace uniform air intake structure according to claim 1 is characterized in that: A magnetic metal is fixedly installed on the top of the partition door, an electromagnet is fixedly installed on the top of the partition door frame, a push switch is fixedly installed on the mounting plate, and the push switch is electrically connected to the electromagnet.

6. The industrial kiln based on the furnace uniform air intake structure according to claim 1 is characterized by: A lifting block is slidably installed on the top of the partition door guide groove, and a positioning rod is fixedly installed on the lower end of the lifting block. The positioning rod passes through the partition door guide groove, and both sides of the bottom of the partition door are provided with protrusions, and the positions of the protrusions correspond to the positions of the lifting block. A plurality of positioning holes are provided at the upper end of the rail car, and the positioning rod cooperates with the positioning holes.

7. The industrial kiln based on the furnace uniform air intake structure according to claim 1 is characterized by: The kiln furnace further comprises an inlet and outlet heat exchange mechanism, which comprises two first manifolds, an exhaust main pipe, a heat exchange box, two second manifolds, an inlet main pipe and a heat exchange pipe. The two first manifolds are arranged on both sides above the kiln furnace body. A plurality of exhaust branch pipes are fixedly installed on the two first manifolds. The plurality of exhaust branch pipes are communicated with the middle part of the kiln furnace body. The two first manifolds are communicated with the exhaust main pipe. A connecting pipe is fixedly installed in the middle part of the exhaust main pipe. The heat exchange box is fixedly installed on the upper end of the kiln furnace body. The exhaust main pipe is connected to the kiln furnace body through the exhaust main pipe. The connecting pipe is connected with one end of the heat exchange box, and the two second manifolds are arranged on both sides of the kiln body. A plurality of air intake branch pipes are fixedly installed on the two second manifolds, and the plurality of air intake branch pipes are connected with the middle part of the kiln body. The air intake main pipe is fixedly installed at one end inside the heat exchange box, and the two second manifolds are inserted through the heat exchange box to connect with the air intake main pipe. The heat exchange pipe is fixedly installed inside the heat exchange box, and the air intake main pipe is connected with the heat exchange pipe. One end of the heat exchange pipe is inserted through the other end of the heat exchange box, and the other end of the heat exchange box is provided with an exhaust hole.

8. The industrial kiln based on the furnace uniform air intake structure according to claim 7 is characterized in that: A plurality of partitions are arranged in the heat exchange box, and the plurality of partitions form a serpentine channel inside the heat exchange box. The heat exchange tube is serpentine-shaped and arranged along the serpentine channel.

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