Sintering roller kiln for automatic production line of soil remediation agent

Abstract

The utility model discloses a firing roller kiln for an automatic production line of a soil remediation agent, which comprises a kiln body, the bottom of the kiln body is fixedly connected with a heater, the vertical side wall of the kiln body is rotatably connected with a plurality of roller shafts, the outer wall of the kiln body is fixedly connected with a motor, an output shaft of the motor is fixedly connected with the roller shafts, and the output shaft of the motor is fixedly connected with the roller shafts. The multiple roller shafts are fixedly sleeved with chain wheels, the chain wheels are located outside the kiln body, the multiple chain wheels are wound with the same transmission chain, the top of the kiln body is fixedly connected with a scraping mechanism, and the two ends of the kiln body are fixedly connected with sealing mechanisms. The scraping mechanism comprises a hydraulic cylinder fixedly connected to the top of the kiln body, and two heat dissipation mechanisms are symmetrically and fixedly connected to the hydraulic cylinder. Cleaning personnel do not need to go deep into the roller kiln for cleaning operation, cleaning convenience of the roller kiln is effectively improved, automatic opening and closing of the kiln opening can be achieved, and using convenience of the roller kiln is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of roller kilns and relates to a firing roller kiln for an automatic production line of a soil repair agent. Background Art

[0002] Soil remediation agent is a product used for soil remediation. Soil remediation agent can improve and condition the soil, thereby accelerating the rapid repair of damaged soil. In the process of soil remediation agent production and processing, a roller kiln is needed to burn the raw materials. The roller kiln is different from the kiln car tunnel kiln. It does not use a kiln car loaded with products to operate, but is composed of a "roller" composed of rollers arranged in parallel and crossing the cross-section of the kiln working channel. The products are placed on the rollers and transported into the kiln as the rollers rotate, and the firing process is completed in the kiln.

[0003] When the existing roller kiln is firing the soil remediation agent, part of the raw materials of the soil remediation agent will adhere to the roller during the heating process. These raw materials remaining on the roller will corrode the roller and affect the normal operation of the roller, and need to be removed in time. However, part of the roller is located deep in the roller kiln, and the internal space of the roller kiln is small, which makes it very inconvenient to clean the roller of the roller kiln. In addition, the sealing door of the kiln mouth of the existing roller kiln needs to be opened and closed manually, which is cumbersome to operate. Utility Model Content

[0004] The utility model aims to solve the above problems and provides a firing roller kiln for an automatic production line of soil repair agent.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A firing roller kiln for an automatic production line of soil remediation agent, comprising a kiln body, a heater is fixedly connected to the bottom of the kiln body, a plurality of rollers are rotatably connected to the vertical side walls of the kiln body, a motor is fixedly connected to the outer wall of the kiln body, the output shaft of the motor is fixedly connected to the rollers, sprockets are fixedly sleeved on the outside of the plurality of rollers, the sprockets are located outside the kiln body, a common transmission chain is wound around the outside of the plurality of sprockets, a scraping mechanism is fixedly connected to the top of the kiln body, and sealing mechanisms are fixedly connected to both ends of the kiln body;

[0007] The scraping mechanism includes a hydraulic cylinder fixedly connected to the top of the kiln body, two heat dissipation mechanisms are symmetrically fixedly connected to the hydraulic cylinder, the output end of the hydraulic cylinder is fixedly connected to a connecting plate, the connecting plate is located in the kiln body, the side wall on the lower side of the connecting plate is evenly fixedly connected with a plurality of scrapers corresponding to the roller shafts, the plurality of scrapers are respectively located directly above the plurality of roller shafts, the side wall on the lower side of the connecting plate is evenly fixedly connected with a plurality of metal soft ropes, the lower ends of the plurality of metal soft ropes are fixedly connected with steel balls, and the steel balls are tightly fitted to the scrapers.

[0008] In the above-mentioned firing roller kiln for the automatic production line of soil remediation agent, the sealing mechanism includes two guide rails fixedly connected to the kiln mouth of the kiln body, a sealing door is slidably inserted between the two guide rails, a vertical plate is fixedly connected to the top of the kiln body, a horizontal plate is fixedly connected to the upper end of the vertical plate, an electric push rod is fixedly connected to the upper side of the horizontal plate, a moving rod is fixedly connected to the output end of the electric push rod, the lower end of the moving rod is fixedly connected to the sealing door, a detector is fixedly connected to the sealing door, and a sensor line is fixedly connected between the detector and the electric push rod.

[0009] In the above-mentioned firing roller kiln for the automatic production line of soil remediation agent, the heat dissipation mechanism includes two heat collecting plates symmetrically fixedly connected to the hydraulic cylinder, and the two heat collecting plates are fixedly connected to a heat conducting plate on one side away from the hydraulic cylinder, and the same heat dissipation plate is fixedly connected to the two heat conducting plates, and the heat dissipation plate is fixedly connected to a plurality of heat dissipation fins on the one side away from the heat conducting plate, and the plurality of heat dissipation fins are evenly distributed on the heat dissipation plate.

[0010] In the above-mentioned firing roller kiln for the automatic production line of soil remediation agent, a high-temperature resistant heat-insulating layer is fixedly connected to the inner wall of the kiln body, and the high-temperature resistant heat-insulating layer is located above the roller shaft.

[0011] In the above-mentioned roller kiln for firing in the soil remediation agent automatic production line, an air duct is fixedly connected to the heater, and a flange is fixedly connected to one end of the air duct away from the heater, and a plurality of pin holes are evenly opened on the flange.

[0012] In the above-mentioned firing roller kiln for the automatic production line of soil remediation agent, a plurality of guide rods are fixedly connected to the inner wall of the top of the kiln body, and two guide plates are symmetrically fixedly connected to the side wall on the upper side of the connecting plate. Guide holes matching the guide rods are opened on the guide plates, and the guide rods pass through the guide plates through the guide holes.

[0013] In the above-mentioned firing roller kiln for the automatic production line of soil remediation agent, the vertical side wall of the heat conducting plate is provided with a plurality of first air holes, and the plurality of first air holes are evenly distributed on the heat conducting plate, and the plurality of heat dissipating fins are provided with a plurality of second air holes, and the second air holes are evenly distributed on the heat dissipating fins.

[0014] In the above-mentioned firing roller kiln for the automatic production line of soil remediation agent, a same reinforcement plate is fixedly connected between the vertical side wall of the vertical plate and the side wall on the lower side of the horizontal plate. The reinforcement plate, the vertical plate and the horizontal plate form a triangular structure. Reinforcement rods are fixedly connected between the reinforcement plate, the vertical plate and the horizontal plate.

[0015] In the above-mentioned roller kiln for firing in the automatic production line of soil remediation agent, the specific materials of the heat collecting plate, heat conducting plate, heat dissipating plate and heat dissipating fins are all aluminum.

[0016] In the above-mentioned firing roller kiln for the soil remediation agent automatic production line, a heat reflecting plate is fixedly connected to the inner wall of the high-temperature resistant heat-insulating layer.

[0017] Compared with the existing technology, the advantages of the utility model are:

[0018] 1. The utility model sets a scraping mechanism. When cleaning, the hydraulic cylinder is controlled to operate. The output end of the hydraulic cylinder drives the connecting plate to move downward, and the connecting plate drives multiple scrapers to move downward, so that the multiple scrapers are respectively in contact with multiple roller shafts. The motor drives the sprocket to rotate, and the sprocket drives the multiple sprockets to rotate through the transmission chain, so that the multiple roller shafts can rotate. The rotating roller shafts and the scrapers cooperate with each other to make the scrapers scrape the dirt on the surface of the roller shafts. The set steel balls are in contact with the roller shafts, and the roller shafts drive the steel balls to hit the scrapers, so that the dirt remaining on the scraper surface can be shaken off. The scraping mechanism can quickly and effectively clean the roller shafts of the roller kiln, without the need for cleaning personnel to go deep into the roller kiln to operate, which effectively improves the convenience of cleaning the roller kiln.

[0019] 2. The utility model is provided with a sealing mechanism. When in use, the detector on the sealing mechanism on one side controls the operation of the electric push rod when it detects a person, and the output end of the electric push rod drives the moving rod to move, and the moving rod drives the sealing door to move upward to open the kiln mouth. When no person is detected for a period of time, the sealing door will be automatically closed. When the sealing mechanism on the other side detects that the soil remediation agent is about to arrive, the sealing door will be automatically opened, and the sealing door will be automatically closed after the soil remediation agent passes through, thereby realizing the automatic opening and closing of the kiln mouth, and improving the convenience of using the roller kiln.

[0020] Other advantages, objectives and features of the present invention will be embodied in part through the following description, and in part will be understood by those skilled in the art through research and practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0022] Figure 2 It is a structural schematic diagram of another direction of the utility model.

[0023] Figure 3 It is the front view of the utility model.

[0024] Figure 4 This is a schematic diagram of the structure of the utility model after removing the sealing mechanism.

[0025] Figure 5 for Figure 1 Schematic diagram of the structure of the scraping mechanism.

[0026] Figure 6 for Figure 1 Schematic diagram of the structure of the sealing mechanism.

[0027] Figure 7 for Figure 1 Schematic diagram of the structure of the heat dissipation mechanism.

[0028] In the figure: 1. kiln body; 2. heater; 3. roller; 4. motor; 5. sprocket; 6. transmission chain; 7. hydraulic cylinder; 8. connecting plate; 9. scraper; 10. metal soft rope; 11. steel ball; 12. guide rail; 13. sealing door; 14. vertical plate; 15. horizontal plate; 16. electric push rod; 17. moving rod; 18. detector; 19. sensor line; 20. heat collecting plate; 21. heat conducting plate; 22. heat dissipation plate; 23. heat dissipation fin; 24. high temperature resistant insulation layer; 25. air guide pipe; 26. flange; 27. pin hole; 28. guide rod; 29. ​​guide plate; 30. first air hole; 31. second air hole; 32. reinforcement plate; 33. reinforcement rod; 34. heat reflecting plate. DETAILED DESCRIPTION

[0029] The utility model is further described below in conjunction with the accompanying drawings.

[0030] like Figure 1-7 As shown, the utility model provides a sintering roller kiln for an automatic production line of soil remediation agents, comprising a kiln body 1, a heater 2 is fixedly connected to the bottom of the kiln body 1, a plurality of roller shafts 3 are rotatably connected to the vertical side walls of the kiln body 1, a motor 4 is fixedly connected to the outer wall of the kiln body 1, the output shaft of the motor 4 is fixedly connected to the roller shaft 3, a plurality of the roller shafts 3 are fixedly sleeved with sprockets 5, the sprockets 5 are located outside the kiln body 1, and a common transmission chain 6 is wound around the plurality of the sprockets 5, a scraping mechanism is fixedly connected to the top of the kiln body 1, and a sealing mechanism is fixedly connected to both ends of the kiln body 1;

[0031] The scraping mechanism includes a hydraulic cylinder 7 fixedly connected to the top of the kiln body 1, and two heat dissipation mechanisms are symmetrically fixedly connected to the hydraulic cylinder 7. The output end of the hydraulic cylinder 7 is fixedly connected to a connecting plate 8, and the connecting plate 8 is located in the kiln body 1. The side wall on the lower side of the connecting plate 8 is evenly fixedly connected with a plurality of scrapers 9 corresponding to the roller shafts 3, and the plurality of scrapers 9 are respectively located directly above the plurality of roller shafts 3. The side wall on the lower side of the connecting plate 8 is evenly fixedly connected with a plurality of metal soft ropes 10, and the lower ends of the plurality of metal soft ropes 10 are fixedly connected with steel balls 11, and the steel balls 11 are tightly fitted with the scrapers 9.

[0032] In the above embodiment, during cleaning, the hydraulic cylinder 7 is controlled to operate, and the output end of the hydraulic cylinder 7 drives the connecting plate 8 to move downward, and the connecting plate 8 drives multiple scrapers 9 to move downward, so that the multiple scrapers 9 are respectively in contact with the multiple roller shafts 3, and the motor 4 drives the sprocket 5 to rotate, and the sprocket 5 drives the multiple sprockets 5 to rotate through the transmission chain 6, so that the multiple roller shafts 3 can be rotated, and the rotating roller shafts 3 and the scrapers 9 cooperate with each other so that the scrapers 9 scrape the dirt on the surface of the roller shaft 3, and the set steel balls 11 are in contact with the roller shaft 3, and the roller shaft 3 drives the steel balls 11 to hit the scrapers 9, so that the dirt remaining on the surface of the scrapers 9 can be shaken off, and the scraping mechanism can quickly and effectively clean the roller shaft 3 of the roller kiln, without the need for cleaning personnel to go deep into the roller kiln to operate, which effectively improves the convenience of cleaning the roller kiln.

[0033] The sealing mechanism includes two guide rails 12 fixedly connected to the kiln mouth of the kiln body 1, a sealing door 13 is slidably inserted between the two guide rails 12, a vertical plate 14 is fixedly connected to the top of the kiln body 1, a horizontal plate 15 is fixedly connected to the upper end of the vertical plate 14, an electric push rod 16 is fixedly connected to the upper side of the horizontal plate 15, a moving rod 17 is fixedly connected to the output end of the electric push rod 16, the lower end of the moving rod 17 is fixedly connected to the sealing door 13, a detector 18 is fixedly connected to the sealing door 13, and a sensor line 19 is fixedly connected between the detector 18 and the electric push rod 16.

[0034] In this embodiment, when in use, the detector 18 on the sealing mechanism on one side controls the operation of the electric push rod 16 when it detects a person, and the output end of the electric push rod 16 drives the moving rod 17 to move, and the moving rod 17 drives the sealing door 13 to move upward to open the kiln mouth. When no person is detected for a period of time, the sealing door 13 will be automatically closed. When the sealing mechanism on the other side detects that the soil remediation agent is about to arrive, the sealing door 13 will be automatically opened, and the sealing door 13 will be automatically closed after the soil remediation agent passes through, thereby realizing the automatic opening and closing of the kiln mouth, thereby improving the convenience of using the roller kiln.

[0035] The heat dissipation mechanism includes two heat collecting plates 20 symmetrically fixedly connected to the hydraulic cylinder 7, the two heat collecting plates 20 are fixedly connected to a heat conducting plate 21 on one side away from the hydraulic cylinder 7, the two heat conducting plates 21 are fixedly connected to the same heat dissipation plate 22, the heat dissipation plate 22 is fixedly connected to one side away from the heat conducting plate 21 with a plurality of heat dissipation fins 23, and the plurality of heat dissipation fins 23 are evenly distributed on the heat dissipation plate 22.

[0036] In the above embodiment, the heat collecting plate 20 is capable of quickly absorbing the heat on the hydraulic cylinder 7, and the heat collecting plate 20 transfers the heat to the heat conducting plate 21, and the heat conducting plate 21 transfers the heat to the heat sink 22 and the heat dissipating fins 23. The heat dissipating area of ​​the heat sink 22 and the heat dissipating fins 23 is large, thereby improving the heat dissipation efficiency, effectively improving the heat dissipation efficiency of the hydraulic cylinder 7, reducing the operating temperature of the hydraulic cylinder 7, and improving the operating stability of the hydraulic cylinder 7.

[0037] A high temperature resistant heat-insulating layer 24 is fixedly connected to the inner wall of the kiln body 1 , and the high temperature resistant heat-insulating layer 24 is located above the roller shaft 3 .

[0038] In the above embodiment, the high temperature resistant heat-insulating layer 24 can improve the heat-insulating effect of the roller kiln, and can also improve the heating efficiency of the roller kiln.

[0039] An air guide pipe 25 is fixedly connected to the heater 2 , and a flange 26 is fixedly connected to one end of the air guide pipe 25 away from the heater 2 . A plurality of pin holes 27 are evenly formed on the flange 26 .

[0040] In the above embodiment, the air duct 25 can facilitate the addition of inert gas into the interior of the heater 2, thereby improving the safety of the operation of the heater 2, and the flange 26 can improve the convenience of connecting the air duct 25 to other pipelines.

[0041] The inner wall at the top of the kiln body 1 is fixedly connected with a plurality of guide rods 28, and the side wall on the upper side of the connecting plate 8 is symmetrically fixedly connected with two guide plates 29. The guide plates 29 are provided with guide holes matching the guide rods 28, and the guide rods 28 penetrate the guide plates 29 through the guide holes.

[0042] In this embodiment, the guide rod 28 and the guide plate 29 cooperate with each other to limit and guide the connecting plate 8, thereby improving the stability of the movement of the connecting plate 8, effectively improving the stability of the up and down movement of the scraper 9, and effectively improving the accuracy of the movement of the scraper 9.

[0043] The vertical side wall of the heat conducting plate 21 is provided with a plurality of first air holes 30 , which are evenly distributed on the heat conducting plate 21 . The heat dissipating fins 23 are each provided with a plurality of second air holes 31 , which are evenly distributed on the heat dissipating fins 23 .

[0044] In the above embodiment, the first air hole 30 and the second air hole 31 can improve the gas flowability near the heat dissipation mechanism, thereby improving the heat dissipation efficiency of the heat dissipation mechanism and effectively improving the heat dissipation efficiency of the hydraulic cylinder 7.

[0045] A reinforcing plate 32 is fixedly connected between the vertical side wall of the vertical plate 14 and the side wall on the lower side of the horizontal plate 15 . The reinforcing plate 32 , the vertical plate 14 and the horizontal plate 15 form a triangular structure. Reinforcing rods 33 are fixedly connected between the reinforcing plate 32 , the vertical plate 14 and the horizontal plate 15 .

[0046] In this embodiment, the reinforcement plate 32 and the reinforcement rod 33 can reinforce the connection between the vertical plate 14 and the horizontal plate 15, thereby improving the structural strength of the sealing mechanism, thereby improving the bearing capacity of the horizontal plate 15 and effectively improving the structural stability of the sealing mechanism.

[0047] The specific materials of the heat collecting plate 20, the heat conducting plate 21, the heat dissipating plate 22 and the heat dissipating fins 23 are all aluminum.

[0048] In the above embodiment, the heat collecting plate 20, heat conducting plate 21, heat dissipating plate 22 and heat dissipating fins 23 made of aluminum material have good thermal conductivity, thereby improving the heat dissipation efficiency of the heat collecting plate 20, heat conducting plate 21, heat dissipating plate 22 and heat dissipating fins 23, and effectively improving the heat dissipation efficiency of the hydraulic cylinder 7.

[0049] A heat reflecting plate 34 is fixedly connected to the inner wall of the high temperature resistant heat insulation layer 24 .

[0050] In the above embodiment, the heat reflecting plate 34 can reflect the heat emitted from the kiln body 1 to the soil remediation agent, thereby improving the heating efficiency of the roller kiln and thus improving the processing efficiency of the roller kiln.

[0051] The working principle of the utility model is:

[0052] During cleaning, the hydraulic cylinder 7 is controlled to operate, and the output end of the hydraulic cylinder 7 drives the connecting plate 8 to move downward, and the connecting plate 8 drives the multiple scrapers 9 to move downward, so that the multiple scrapers 9 are respectively in contact with the multiple roller shafts 3, and the motor 4 drives the sprocket 5 to rotate, and the sprocket 5 drives the multiple sprockets 5 to rotate through the transmission chain 6, so that the multiple roller shafts 3 can be rotated, and the rotating roller shafts 3 and the scrapers 9 cooperate with each other so that the scrapers 9 scrape the dirt on the surface of the roller shaft 3, and the steel balls 11 are in contact with the roller shaft 3, and the roller shaft 3 drives the steel balls 11 to hit the scrapers 9, so that the dirt remaining on the surface of the scrapers 9 can be shaken off, and the scraping mechanism can quickly and effectively clean the roller shaft 3 of the roller kiln, without the need for cleaning personnel to go deep into the roller kiln to operate, which effectively improves the convenience of cleaning the roller kiln;

[0053] When in use, the detector 18 on the sealing mechanism on one side controls the electric push rod 16 to operate when it detects a person, and the output end of the electric push rod 16 drives the moving rod 17 to move, and the moving rod 17 drives the sealing door 13 to move upward to open the kiln mouth. When no person is detected for a period of time, the sealing door 13 will be automatically closed. When the sealing mechanism on the other side detects that the soil remediation agent is about to arrive, the sealing door 13 will be automatically opened, and the sealing door 13 will be automatically closed after the soil remediation agent passes through, so that the kiln mouth can be automatically opened and closed, which improves the convenience of using the roller kiln.

[0054] The heat collecting plate 20 is capable of quickly absorbing the heat from the hydraulic cylinder 7, and the heat collecting plate 20 transfers the heat to the heat conducting plate 21, and the heat conducting plate 21 transfers the heat to the heat sink 22 and the heat dissipating fins 23. The heat dissipating area of ​​the heat sink 22 and the heat dissipating fins 23 is large, thereby improving the heat dissipation efficiency, effectively improving the heat dissipation efficiency of the hydraulic cylinder 7, reducing the operating temperature of the hydraulic cylinder 7, and improving the operating stability of the hydraulic cylinder 7.

[0055] The specific embodiments described herein are merely examples of the spirit of the present invention. Those skilled in the art may make various modifications or additions to the specific embodiments described or replace them in similar ways without departing from the spirit of the present invention.

[0056] Although this article uses more terms such as injection lower mold 1, injection upper mold 2, mold locating member 3, plastic part molding cavity 4, plastic part molding protrusion 5, side self-demolding buckle assembly 6, side horizontal slider 7, buckle slot molding plate 8, slider driving part 9, linear driver 10, through-type slot molding member 11, fixed abutment seat 12, through-type slot molding plate 13, mold locating rod 14, mold locating hole 15, injection plate 16, injection main hole 17, cooling water pipe 18, fixed plate base 19, ejector rod fixed plate 20, ejector rod 21, anti-deflection iron 22, etc., it does not exclude the possibility of using other terms. These terms are used only to more conveniently describe and explain the essence of the utility model. It is contrary to the spirit of the utility model to interpret them as any additional restrictions.

Claims

1. A roller kiln for firing soil remediation agent automatic production line, comprising a kiln body (1), characterized in that: The bottom of the kiln body (1) is fixedly connected to a heater (2); the vertical side wall of the kiln body (1) is rotatably connected to a plurality of rollers (3); the outer wall of the kiln body (1) is fixedly connected to a motor (4); the output shaft of the motor (4) is fixedly connected to the roller (3); a sprocket (5) is fixedly sleeved on the outside of the plurality of rollers (3); the sprocket (5) is located outside the kiln body (1); a common transmission chain (6) is wound around the outside of the plurality of sprockets (5); a scraping mechanism is fixedly connected to the top of the kiln body (1); and sealing mechanisms are fixedly connected to both ends of the kiln body (1); The scraping mechanism comprises a hydraulic cylinder (7) fixedly connected to the top of the kiln body (1), two heat dissipation mechanisms are symmetrically fixedly connected to the hydraulic cylinder (7), a connecting plate (8) is fixedly connected to the output end of the hydraulic cylinder (7), the connecting plate (8) is located in the kiln body (1), a plurality of scrapers (9) corresponding to the rollers (3) are evenly fixedly connected to the side wall on the lower side of the connecting plate (8), the plurality of scrapers (9) are respectively located directly above the plurality of rollers (3), a plurality of metal soft ropes (10) are evenly fixedly connected to the side wall on the lower side of the connecting plate (8), the lower ends of the plurality of metal soft ropes (10) are all fixedly connected to steel balls (11), and the steel balls (11) are tightly fitted with the scrapers (9).

2. The roller kiln for firing soil remediation agent automatic production line according to claim 1 is characterized in that: The sealing mechanism comprises two guide rails (12) fixedly connected to the kiln mouth of the kiln body (1), a sealing door (13) being slidably inserted between the two guide rails (12), a vertical plate (14) being fixedly connected to the top of the kiln body (1), a horizontal plate (15) being fixedly connected to the upper end of the vertical plate (14), an electric push rod (16) being fixedly connected to the upper side of the horizontal plate (15), an output end of the electric push rod (16) being fixedly connected to a moving rod (17), a lower end of the moving rod (17) being fixedly connected to the sealing door (13), a detector (18) being fixedly connected to the sealing door (13), and a sensor line (19) being fixedly connected between the detector (18) and the electric push rod (16).

3. The roller kiln for firing soil remediation agent automatic production line according to claim 2 is characterized in that: The heat dissipation mechanism comprises two heat collecting plates (20) symmetrically fixedly connected to the hydraulic cylinder (7); the two heat collecting plates (20) are fixedly connected to a heat conducting plate (21) on one side away from the hydraulic cylinder (7); the two heat conducting plates (21) are fixedly connected to the same heat dissipation plate (22); the heat dissipation plate (22) is fixedly connected to a side away from the heat conducting plate (21) with a plurality of heat dissipation fins (23); and the plurality of heat dissipation fins (23) are evenly distributed on the heat dissipation plate (22).

4. The roller kiln for firing the soil remediation agent automatic production line according to claim 3 is characterized in that: A high temperature resistant heat insulating layer (24) is fixedly connected to the inner wall of the kiln body (1), and the high temperature resistant heat insulating layer (24) is located above the roller shaft (3).

5. The roller kiln for firing the soil remediation agent automatic production line according to claim 4 is characterized in that: An air guide tube (25) is fixedly connected to the heater (2), and a flange (26) is fixedly connected to one end of the air guide tube (25) away from the heater (2), and a plurality of pin holes (27) are evenly arranged on the flange (26).

6. The roller kiln for firing the soil remediation agent automatic production line according to claim 5, characterized in that: A plurality of guide rods (28) are fixedly connected to the inner wall at the top of the kiln body (1), and two guide plates (29) are symmetrically fixedly connected to the side wall on the upper side of the connecting plate (8). Guide holes matching the guide rods (28) are formed on the guide plates (29), and the guide rods (28) pass through the guide holes and penetrate the guide plates (29).

7. The roller kiln for firing the soil remediation agent automatic production line according to claim 6, characterized in that: The vertical side wall of the heat conducting plate (21) is provided with a plurality of first air holes (30), and the plurality of first air holes (30) are evenly distributed on the heat conducting plate (21); the plurality of heat dissipating fins (23) are provided with a plurality of second air holes (31), and the second air holes (31) are evenly distributed on the heat dissipating fins (23).

8. The roller kiln for firing soil remediation agent automatic production line according to claim 7, characterized in that: A same reinforcing plate (32) is fixedly connected between the vertical side wall of the vertical plate (14) and the side wall on the lower side of the horizontal plate (15); the reinforcing plate (32) forms a triangular structure with the vertical plate (14) and the horizontal plate (15); and reinforcing rods (33) are fixedly connected between the reinforcing plate (32) and the vertical plate (14) and the horizontal plate (15).

9. The roller kiln for firing the soil remediation agent automatic production line according to claim 8, characterized in that: The specific materials of the heat collecting plate (20), the heat conducting plate (21), the heat dissipating plate (22) and the heat dissipating fins (23) are all aluminum.

10. The roller kiln for firing soil remediation agent automatic production line according to claim 9, characterized in that: A heat reflection plate (34) is fixedly connected to the inner wall of the high temperature resistant heat insulation layer (24).

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