Roller kiln capable of preventing furnace top iron plate from being corroded
By designing a cleaning mechanism in the roller kiln and using scrapers and collection components to clean dust and corrosion particles at the bottom of the vault, the problem of vault corrosion caused by corrosion particles is solved, the thermal insulation effect of the insulation layer is improved, and the cleaning difficulty is reduced.
Patent Information
- Application Number
- CN202422663047.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-01
- Publication Date
- 2025-09-16
- Estimated Expiration
- 2034-11-01
AI Technical Summary
When the roller kiln operates at high temperature, the corrosive particles in the dust adhere to the dome, causing corrosion of the dome and affecting the normal insulation effect of the insulation layer.
A cleaning mechanism is designed, including a scraper and a collection assembly. The threaded rod is driven to rotate by the transmission assembly. The scraper fits against the bottom of the arch to clean dust and corrosion particles, and collects them through a collection box to reduce the adhesion of corrosion particles.
It effectively reduces the impact of corrosion particles on the vault, improves the thermal insulation effect of the insulation layer, and reduces the intensity of subsequent cleaning work.
Smart Images

Figure CN223345877U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of roller kilns, in particular to a roller kiln capable of preventing corrosion of furnace top iron plates. Background Art
[0002] A roller hearth kiln is a continuous kiln used for high-temperature firing operations, primarily in the ceramics, building materials, electronics, and metallurgy industries. A series of rollers transports the green bodies placed on it, moving them along a predetermined path within the kiln through the heating, holding, and cooling stages. Roller hearth kilns are characterized by high production efficiency, a high degree of automation, low energy consumption, and the ability to achieve large-scale continuous production, making them suitable for the manufacture of standardized products. The temperature distribution within the kiln is uniform, and precise control of the roller speed and atmosphere ensures stable and consistent product quality.
[0003] At present, when roller kilns operate at high temperatures, a large amount of dust is generated. The dust contains a large number of highly corrosive particles. These corrosive particles will adhere to the arch and corrode the arch after a long time, thereby affecting the normal insulation effect of the insulation layer. Therefore, a roller kiln that can prevent the corrosion of the furnace roof iron plate is proposed. Utility Model Content
[0004] In response to the shortcomings of the existing technology, the utility model provides a roller kiln that can prevent corrosion of the furnace roof iron plate. It has the advantages of greatly reducing the adhesion of corrosion particles and improving the thermal insulation effect of the insulation layer. It solves the problem that dust contains a large number of highly corrosive particles, which will adhere to the arch and corrode the arch after a long time, thereby affecting the normal thermal insulation effect of the insulation layer.
[0005] To achieve the above object, the utility model provides the following technical solution: a roller kiln for preventing corrosion of furnace top iron plates, comprising a roller kiln, an arch, two insulation bricks and a heat preservation and heating assembly, wherein a cleaning mechanism is provided inside the roller kiln;
[0006] The cleaning mechanism includes a mounting plate movably mounted on the outer wall of the two opposite sides of the heat-insulating bricks, two fixing screws are movably mounted inside the mounting plate, a threaded rod is rotatably connected between the two mounting plates, an adjustment seat is threadedly connected to the outer peripheral wall of the threaded rod, a sleeve is fixedly mounted on the top outer wall of the adjustment seat, a spring is fixedly mounted on the inside of the sleeve, a mounting rod is fixedly mounted on the top end of the spring, a scraper is fixedly mounted on the top outer wall of the mounting rod, a connecting rod is fixedly mounted on the bottom outer wall of the mounting plate, and a mounting bracket is fixedly mounted on the bottom outer wall of the connecting rod;
[0007] A transmission assembly is provided inside the mounting frame;
[0008] A collecting assembly is provided on the top of the mounting frame.
[0009] Furthermore, the transmission assembly includes a driving motor fixedly mounted on the inner wall of the mounting frame, a driving wheel is fixedly mounted on the output shaft of the driving motor, a driven wheel is fixedly mounted on the outer peripheral wall of the threaded rod, a transmission belt is connected to the outer peripheral walls of the driving wheel and the driven wheel, a limiting rod is fixedly mounted between the two mounting plates, and the adjustment seat is slidably connected to the outer peripheral wall of the limiting rod.
[0010] Furthermore, the collection component includes three card blocks fixedly mounted on the top outer side of the mounting frame, a collection box is movably mounted on the outer wall of the card block, and six card slots are opened at the bottom of the collection box. The card blocks are connected to the inside of the card slots and are adapted in size.
[0011] Furthermore, two thread grooves are provided on one side of the heat-insulating brick close to the mounting plate, and the fixing screws penetrate the inner thread of the mounting plate and are connected to the inside of the thread grooves and are of a matching size.
[0012] Furthermore, the mounting rod is slidably connected to the interior of the sleeve, and the scraper is slidably connected to the bottom of the dome.
[0013] Furthermore, the thermal insulation and heating assembly includes an insulation layer fixedly installed on the top of the roller kiln, the insulation layer is installed on the top of the arch, exhaust seats are installed inside the insulation layer and the arch, electric thermocouples and heaters are fixedly installed inside the roller kiln and the insulation bricks, a conveyor is fixedly installed on the right side wall of the roller kiln, a roller is fixedly installed on the output shaft of the conveyor, a blower is provided on the right side of the roller kiln, an output pipe is fixedly installed at the air outlet end of the blower, and the output pipe extends to the interior of the insulation layer.
[0014] Furthermore, the arch is fixedly installed between two insulation bricks, and the insulation bricks are installed inside the roller kiln.
[0015] Furthermore, a friction support seat is fixedly mounted on the inner wall of the mounting frame on the right side.
[0016] Compared with the existing technology, the technical solution of this application has the following beneficial effects:
[0017] The roller kiln for preventing corrosion of the furnace roof iron plate drives the threaded rod to rotate through the action of the transmission component, so that the adjustment seat drives the scraper to move left and right to adjust the position. The scraper is fitted to the bottom of the arch by the action of the spring thrust. The scraper will clean the dust and corrosion particles adhering to the bottom of the arch, and the dust and corrosion particles will be collected by the collection box. This not only greatly reduces the adhesion of corrosion particles to the bottom of the arch and reduces the impact of corrosion on the arch, but also collects dust and corrosion particles, reducing the workload of subsequent collection. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 This is a schematic diagram of the structure of the utility model;
[0019] Figure 2 For this utility model Figure 1 A is an enlarged structural diagram;
[0020] Figure 3 This is a schematic diagram of the mounting frame and the clamping block structure of the utility model;
[0021] Figure 4 This is a schematic diagram of the scraper structure of the utility model.
[0022] In the picture:
[0023] 1. Roller kiln; 2. Dome; 3. Insulation layer; 4. Exhaust seat; 5. Thermocouple; 6. Heater; 7. Conveyor; 8. Roller; 9. Insulation brick; 10. Blower; 11. Output pipe; 12. Mounting plate; 13. Fixing screw; 14. Threaded rod; 15. Adjustment seat; 16. Sleeve; 17. Spring; 18. Mounting rod; 19. Scraper; 20. Connecting rod; 21. Mounting frame; 22. Block; 23. Collection box; 24. Transmission assembly; 25. Limit rod; 26. Friction support seat. DETAILED DESCRIPTION
[0024] 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 embodiments described 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 making creative efforts are within the scope of protection of the present invention.
[0025] For example 1, please refer to Figures 1 to 4 In this embodiment, a roller kiln for preventing corrosion of furnace top iron plates includes a roller kiln 1, a dome 2, two insulation bricks 9 and a heat preservation and heating assembly. A cleaning mechanism is provided inside the roller kiln 1.
[0026] The dome 2 is fixedly installed between two insulation bricks 9 , and the insulation bricks 9 are installed inside the roller kiln 1 .
[0027] The thermal insulation and heating assembly includes an insulation layer 3 fixedly installed on the top of the roller kiln 1, the insulation layer 3 is installed on the top of the arch 2, and an exhaust seat 4 is installed inside the insulation layer 3 and the arch 2. Electric thermocouples 5 and heaters 6 are fixedly installed inside the roller kiln 1 and the insulation bricks 9. A conveyor 7 is fixedly installed on the right side wall of the roller kiln 1, and a roller rod 8 is fixedly installed on the output shaft of the conveyor 7. A blower 10 is provided on the right side of the roller kiln 1, and an output pipe 11 is fixedly installed at the air outlet end of the blower 10, and the output pipe 11 extends to the inside of the thermal insulation layer 3.
[0028] The cleaning mechanism includes a mounting plate 12 movably mounted on the outer wall of the opposite side of the two insulation bricks 9, and two fixing screws 13 are movably mounted inside the mounting plate 12. The insulation brick 9 is provided with two threaded grooves on one side close to the mounting plate 12. The fixing screws 13 pass through the inner thread of the mounting plate 12 and are connected to the inner part of the threaded groove and are adapted in size. A threaded rod 14 is rotatably connected between the two mounting plates 12, and an adjustment seat 15 is threadedly connected to the outer peripheral wall of the threaded rod 14. A sleeve 16 is fixedly mounted on the top outer wall of the adjustment seat 15, and a spring 17 is fixedly mounted on the inside of the sleeve 16. A mounting rod 18 is fixedly mounted on the top outer wall of the spring 17, and a scraper 19 is fixedly mounted on the top outer wall of the mounting rod 18. The mounting rod 18 is slidably connected to the inside of the sleeve 16, and the scraper 19 is slidably connected to the bottom of the arch 2. A connecting rod 20 is fixedly mounted on the bottom outer wall of the mounting plate 12, and a mounting bracket 21 is fixedly mounted on the bottom outer wall of the connecting rod 20;
[0029] A transmission assembly 24 is provided inside the mounting frame 21. The transmission assembly 24 includes a driving motor fixedly mounted on the inner wall of the mounting frame 21. A driving wheel is fixedly mounted on the output shaft of the driving motor. A driven wheel is fixedly mounted on the outer peripheral wall of the threaded rod 14. The outer peripheral walls of the driving wheel and the driven wheel are connected by a transmission belt. A limiting rod 25 is fixedly mounted between the two mounting plates 12, and the adjustment seat 15 is slidably connected to the outer peripheral wall of the limiting rod 25.
[0030] A collecting assembly is provided on the top of the mounting frame 21, and the collecting assembly includes three card blocks 22 fixedly mounted on the outside of the top of the mounting frame 21. A collecting box 23 is movably mounted on the outer wall of the card block 22. Six card slots are provided at the bottom of the collecting box 23. The card blocks 22 are connected to the inside of the card slots and are of a suitable size.
[0031] In this embodiment, the cleaning mechanism is fixed by fixing screws 13, which facilitates the disassembly and installation of the entire cleaning mechanism, facilitates the cleaning of the cleaning mechanism, and prevents dust and corrosion particles from causing corrosion to the cleaning mechanism.
[0032] In this embodiment, clean air is blown into the insulation layer 3 by a blower 10 to keep the insulation layer 3 at a slightly positive pressure, and the gas in the furnace cannot enter the insulation layer 3.
[0033] In the second embodiment, a friction support seat 26 is provided on the basis of the first embodiment, and the installation stability of the collection box 23 is improved by the function of the friction support seat 26 .
[0034] The working principle of the above embodiment is:
[0035] First, fix the mounting plate 12 on the insulation brick 9 by means of the fixing screws 13, and then the staff clamps the collection box 23 on the outer wall of the clamping block 22. At this time, the scraper 19 is attached to the bottom of the arch 2. At this time, the transmission assembly 24 can be started, and the driving motor drives the active wheel to rotate, and the transmission belt drives the driven wheel to rotate. At this time, the fixing screws 13 will rotate and drive the adjustment seat 15 to move left and right. At this time, the scraper 19 will scratch the dust and corrosion particles adhered to the bottom of the arch 2. At this time, the height is adjusted according to the curved surface of the arch 2 through the elasticity of the spring 17. The scraped dust and corrosion particles will fall into the inside of the collection box 23, greatly reducing the impact of dust and corrosion particles on the arch 2 and the insulation layer 3.
[0036] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply the existence of any such actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article, or device comprising a series of elements includes not only those elements, but also other elements not explicitly listed, or elements inherent to such process, method, article, or device. In the absence of further limitations, an element defined by the phrase "comprising a ..." does not exclude the presence of other identical elements in the process, method, article, or device comprising the element.
[0037] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A roller hearth kiln for preventing corrosion of furnace roof iron plates, comprising a roller hearth kiln (1), a dome (2), two insulation bricks (9) and a heat preservation and heating assembly, characterized in that: The roller kiln (1) is provided with a cleaning mechanism inside; The cleaning mechanism comprises a mounting plate (12) movably mounted on the outer wall of the opposite side of the two heat-insulating bricks (9), two fixing screws (13) are movably mounted inside the mounting plate (12), a threaded rod (14) is rotatably connected between the two mounting plates (12), an adjustment seat (15) is threadedly connected to the outer peripheral wall of the threaded rod (14), a sleeve (16) is fixedly mounted on the top outer wall of the adjustment seat (15), a spring (17) is fixedly mounted inside the sleeve (16), a mounting rod (18) is fixedly mounted on the top end of the spring (17), a scraper (19) is fixedly mounted on the top outer wall of the mounting rod (18), a connecting rod (20) is fixedly mounted on the bottom outer wall of the mounting plate (12), and a mounting bracket (21) is fixedly mounted on the bottom outer wall of the connecting rod (20); A transmission assembly (24) is provided inside the mounting frame (21); A collecting assembly is provided on the top of the mounting frame (21).
2. The roller hearth kiln for preventing corrosion of furnace top iron plates according to claim 1, characterized in that: The transmission assembly (24) includes a driving motor fixedly mounted on the inner wall of the mounting frame (21), a driving wheel fixedly mounted on the output shaft of the driving motor, a driven wheel fixedly mounted on the outer peripheral wall of the threaded rod (14), a transmission belt being connected to the outer peripheral walls of the driving wheel and the driven wheel, a limiting rod (25) fixedly mounted between the two mounting plates (12), and the adjustment seat (15) being slidably connected to the outer peripheral wall of the limiting rod (25).
3. The roller hearth kiln for preventing corrosion of furnace top iron plates according to claim 2, characterized in that: The collection assembly comprises three card blocks (22) fixedly mounted on the top of a mounting frame (21); a collection box (23) is movably mounted on the outer wall of the card block (22); six card slots are provided at the bottom of the collection box (23); the card blocks (22) are engaged in the interior of the card slots and are of a suitable size.
4. The roller hearth kiln for preventing corrosion of furnace top iron plates according to claim 1, characterized in that: The heat-insulating brick (9) is provided with two thread grooves on one side close to the mounting plate (12), and the fixing screws (13) penetrate the inner thread of the mounting plate (12) and are connected to the inside of the thread groove and are of a matching size.
5. The roller hearth kiln for preventing corrosion of furnace top iron plate according to claim 1, characterized in that: The mounting rod (18) is slidably connected to the interior of the sleeve (16), and the scraper (19) is slidably connected to the bottom of the dome (2).
6. The roller hearth kiln for preventing corrosion of furnace top iron plates according to claim 1, characterized in that: The heat-insulating heating assembly comprises a heat-insulating layer (3) fixedly mounted on the top of a roller kiln (1), the heat-insulating layer (3) being mounted on the top of a dome (2), an exhaust seat (4) being mounted inside the heat-insulating layer (3) and the dome (2), a thermocouple (5) and a heater (6) being fixedly mounted inside the roller kiln (1) and the heat-insulating bricks (9), a conveyor (7) being fixedly mounted on the right side wall of the roller kiln (1), a roller (8) being fixedly mounted on the output shaft of the conveyor (7), a blower (10) being provided on the right side of the roller kiln (1), an output pipe (11) being fixedly mounted on the air outlet end of the blower (10), and the output pipe (11) extending into the interior of the heat-insulating layer (3).
7. The roller hearth kiln for preventing corrosion of furnace top iron plates according to claim 1, characterized in that: The dome (2) is fixedly installed between two insulation bricks (9), and the insulation bricks (9) are installed inside the roller kiln (1).
8. The roller hearth kiln for preventing corrosion of furnace top iron plates according to claim 1, characterized in that: A friction support seat (26) is fixedly mounted on the inner wall of the mounting frame (21) on the right side.