Novel rotary kiln door sealing device

By designing sealing components and auxiliary sealing doors on the rotary kiln doors with air inflatable air cushions, dust leakage problems are solved, working environment is improved, thermal efficiency and production efficiency are improved, and raw material waste is reduced.

CN223036885UActive Publication Date: 2025-06-27PELLET BRANCH OF DAZHONG MINING CO LTD
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Patent Information

Application Number
CN202421618204.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-10
Publication Date
2025-06-27
Estimated Expiration
2034-07-10

AI Technical Summary

Technical Problem

The existing rotary kiln door design has dust leakage problems, which affects workers' health and production efficiency and leads to waste of raw materials.

Method used

A new type of rotary kiln door sealing device is designed, using sealed components and auxiliary sealed doors combined with inflatable air cushions to form a double sealing structure to reduce dust leakage.

Benefits of technology

Significantly reduce dust leakage, improve working environment, reduce the impact on workers' health, improve the thermal efficiency of rotary kilns, reduce energy consumption, and reduce waste of raw materials.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223036885U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of rotary kilns, in particular to a novel rotary kiln door sealing device which comprises a kiln body, a sealing assembly is arranged on one side of the kiln body and comprises a fixing sleeve, and the fixing sleeve is movably connected to one side of the kiln body in a sleeved mode. The side, away from the kiln body, of the fixing sleeve fixedly communicates with a first protection shell, the side, away from the fixing sleeve, of the first protection shell is fixedly connected with a transverse plate, and an inner cavity of the transverse plate is slidably connected with an auxiliary airtight door. According to the novel rotary kiln door sealing device, the sealing assembly is installed, and in the process of using the device, the auxiliary sealing door and the inflation air cushion are installed, so that dust leakage can be remarkably reduced, the working environment can be improved, the influence on the health of workers can be reduced, and heat and gas losses can be reduced; therefore, heat efficiency of the rotary kiln is improved, energy consumption is reduced, waste of raw materials is reduced by preventing dust leakage, and production cost is reduced.
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Description

Technical Field

[0001] The utility model relates to the technical field of rotary kilns, in particular to a novel rotary kiln door sealing device. Background Technique

[0002] The technical field of rotary kilns is widely involved in multiple industries such as building materials, metallurgy, chemical engineering, and environmental protection. The technical characteristics of this field include high thermal efficiency, strong adaptability, large production capacity, and uniform reaction. Rotary kilns can efficiently burn fuels, process various raw materials such as limestone and gypsum, and produce a variety of products such as cement clinker and inorganic chemical raw materials. In addition, it also has important applications in the fields of environmental protection and energy, such as waste incineration and biomass energy development.

[0003] Regarding the currently used rotary kiln doors, most of them adopt a single-door design. When a single rotary kiln door is used, dust leakage may occur, resulting in problems such as the leaked dust affecting the health of workers and wasting raw materials in production. Content of the Utility Model

[0004] The purpose of the utility model is to provide a novel rotary kiln door sealing device to solve the problems mentioned in the above background technique, that is, regarding the currently used rotary kiln doors, most of them adopt a single-door design, and when a single rotary kiln door is used, dust leakage may occur, resulting in problems such as the leaked dust affecting the health of workers and wasting raw materials in production. To achieve the above purpose, the utility model provides the following technical solution: A novel rotary kiln door sealing device includes a kiln body. One side of the kiln body is provided with a sealing assembly. The sealing assembly includes a fixed sleeve. The fixed sleeve is movably sleeved on one side of the kiln body. One side of the fixed sleeve away from the kiln body is fixedly communicated with a first protective shell. One side of the first protective shell away from the fixed sleeve is fixedly connected with a horizontal plate. The inner cavity of the horizontal plate is slidably connected with an auxiliary sealing door. The bottom of the auxiliary sealing door is fixedly connected with a slider. The front surface of the auxiliary sealing door is fixedly connected with a buffer pad. One side of the auxiliary sealing door is fixedly connected with a first pulling handle. The inner cavity of the auxiliary sealing door is fixedly connected with an air pump. The output end on one side of the air pump is fixedly communicated with an air delivery pipe. One side of the air delivery pipe away from the air pump is fixedly communicated with an inflatable air cushion. One side of the auxiliary sealing door close to the first protective shell is fixedly connected with a sealing pad. A sliding groove is opened at the bottom of the inner wall of the horizontal plate. The inner wall of the sliding groove is slidably connected with the slider. By installing the sealing assembly, during the process of using the device, by installing the auxiliary sealing door and the inflatable air cushion, the good sealing performance can significantly reduce dust leakage, improve the working environment, reduce the impact on the health of workers, and can also reduce the loss of heat and gas, thereby improving the thermal efficiency of the rotary kiln and reducing energy consumption. By preventing dust leakage, the waste of raw materials is reduced, and the production cost is lowered.

[0005] Further preferably, a furnace door assembly is provided on one side of the kiln body. The furnace door assembly includes a rotating ring which is rotatably connected to one side of the kiln body. The rotating ring is sleeved in the inner cavity of a fixed sleeve. A second protective shell is fixedly connected to the side of the rotating ring away from the kiln body. The second protective shell is sleeved in the inner cavity of a first protective shell. A hinge is fixedly connected to one side of the second protective shell. A closing furnace door is rotatably connected to the side of the hinge away from the second protective shell. By installing the furnace door assembly, during the use of the device, through the installation of the closing furnace door and the rotating ring, combined with modern automation technology, the automatic opening, closing and locking of the auxiliary sealing door are realized, reducing manual operation, improving work efficiency, reducing the failure rate by improving the sealing performance and reducing manual operation, reducing the downtime of the device, and improving production efficiency.

[0006] Further preferably, the closing furnace door is rotatably connected to the second protective shell. A second pulling handle is fixedly connected to one side of the closing furnace door. By installing the second pulling handle, during the use of the device, the concave-shaped handle not only facilitates pulling the furnace door, but also the concave-shaped handle does not interfere with the contraction of the outer door, improving the practicability of the device.

[0007] Further preferably, a sealing gasket is fixedly connected to one side of the closing furnace door. A control panel is fixedly connected to one side of the first protective shell. By installing the sealing gasket, during the use of the device, through the high friction characteristic generated after the sealing gasket is extruded, the airtightness of the device is improved.

[0008] Further preferably, the control panel is electrically connected to an air pump. A fixing bolt is threadedly connected to the top of the fixed sleeve. By installing the control panel, during the use of the device, the automatic inflation and deflation of the external auxiliary sealing door can be controlled through the control panel, improving the convenience of the device.

[0009] Further preferably, the fixing bolt is threadedly connected to the rotating ring. A fixing base is fixedly connected to the bottom of the fixed sleeve. By installing the fixing bolt, during the use of the device, the fixed sleeve and the rotating ring are fixed through the fixing bolt, improving the safety of the device.

[0010] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0011] In the present utility model, by installing a sealing assembly, during the use of the device, through the installation of an auxiliary sealing door and an inflatable air cushion, the good sealing performance can significantly reduce dust leakage, improve the working environment, reduce the impact on the health of workers, and can also reduce heat and gas losses, thereby improving the thermal efficiency of the rotary kiln, reducing energy consumption, and reducing waste of raw materials by preventing dust leakage, and reducing production costs.

[0012] In the present utility model, by installing the furnace door assembly and during the process of using the equipment, through the installation of the closed furnace door and the rotating ring, combined with modern automation technology, the automatic opening, closing, and locking of the auxiliary sealing door are realized, reducing manual operation, improving work efficiency, reducing the failure rate by improving the sealing performance and reducing manual operation, reducing the downtime of the equipment, and improving production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a three-dimensional structural schematic diagram of the present utility model;

[0014] Figure 2 It is a three-dimensional structural schematic diagram of the furnace door assembly of the present utility model;

[0015] Figure 3 It is a sectional structural schematic diagram of the air pump component of the present utility model;

[0016] Figure 4 It is a three-dimensional structural schematic diagram of a part of the protective shell of the present utility model;

[0017] Figure 5 It is a side view structural schematic diagram of a part of the fixing sleeve of the present utility model;

[0018] Figure 6 It is a partial three-dimensional structural schematic diagram of the sealing assembly of the present utility model.

[0019] In the figure: 1, kiln body; 2, sealing assembly; 201, fixing sleeve; 202, protective shell one; 203, horizontal plate; 204, auxiliary sealing door; 205, slider; 206, buffer pad; 207, pulling handle one; 208, air pump; 209, air delivery pipe; 210, inflatable air cushion; 211, sealing pad; 212, sliding groove; 3, furnace door assembly; 301, rotating ring; 302, protective shell two; 303, hinge; 304, closed furnace door; 305, pulling handle two; 306, sealing gasket; 4, control panel; 5, fixing bolt; 6, fixing base. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0020] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0021] Please refer to Figures 1 - 6, the present utility model provides a technical solution: a new rotary kiln furnace door sealing device, which includes a kiln furnace body 1. One side of the kiln furnace body 1 is provided with a sealing assembly 2. The sealing assembly 2 includes a fixed sleeve 201, and the fixed sleeve 201 is movably sleeved on one side of the kiln furnace body 1. One side of the fixed sleeve 201 away from the kiln furnace body 1 is fixedly communicated with a first protective shell 202. One side of the first protective shell 202 away from the fixed sleeve 201 is fixedly connected with a horizontal plate 203. The inner cavity of the horizontal plate 203 is slidably connected with an auxiliary sealing door 204. The bottom of the auxiliary sealing door 204 is fixedly connected with a slider 205. The front surface of the auxiliary sealing door 204 is fixedly connected with a buffer pad 206. One side of the auxiliary sealing door 204 is fixedly connected with a first pulling handle 207. The inner cavity of the auxiliary sealing door 204 is fixedly connected with an air pump 208. The output end on one side of the air pump 208 is fixedly communicated with an air delivery pipe 209. During the use of the device, the rotary kiln furnace door sealing device mainly consists of a closed furnace door 304, an auxiliary sealing door 204, a double-door locking mechanism and other auxiliary mechanical structures. When the rotary kiln needs to be closed, first close the closed furnace door 304, and then use the double-door locking mechanism to closely fit the auxiliary sealing door 204 with the closed furnace door 304 to form a double-sealing structure.

[0022] In this embodiment, as Figure 1 , Figure 2 and Figure 3 shown, the side of the air delivery pipe 209 away from the air pump 208 is fixedly communicated with an inflatable air cushion 210. One side of the auxiliary sealing door 204 close to the first protective shell 202 is fixedly connected with a sealing pad 211. A sliding groove 212 is opened at the bottom of the inner wall of the horizontal plate 203, and the inner wall of the sliding groove 212 is slidably connected with the slider 205. One side of the kiln furnace body 1 is provided with a furnace door assembly 3. The furnace door assembly 3 includes a rotating ring 301, and the rotating ring 301 is rotatably connected to one side of the kiln furnace body 1. The rotating ring 301 is sleeved in the inner cavity of the fixed sleeve 201. One side of the rotating ring 301 away from the kiln furnace body 1 is fixedly connected with a second protective shell 302. The second protective shell 302 is sleeved in the inner cavity of the first protective shell 202. The closed furnace door 304 is closed and opened through a hinge 303 in the inner cavity of the first protective shell 202, and a first sealing treatment is carried out through a sealing pad 306. After the main door is closed, pull the auxiliary sealing door 204 sliding inside the horizontal plate 203, and pull the auxiliary sealing door 204 to the front end of the closed furnace door 304. When pulling, the buffer pad 206 is used to reduce the impact and noise when the door is closed, and at the same time improve the sealing effect.

[0023] In this embodiment, as Figure 4 , Figure 5 and Figure 6As shown in the figure, one side of the second protective shell 302 is fixedly connected with a hinge 303. The side of the hinge 303 away from the second protective shell 302 is rotatably connected with a closed furnace door 304. The closed furnace door 304 is rotatably connected with the second protective shell 302. One side of the closed furnace door 304 is fixedly connected with a second pulling handle 305. One side of the closed furnace door 304 is fixedly connected with a sealing gasket 306. One side of the first protective shell 202 is fixedly connected with a control panel 4. The control panel 4 is electrically connected to the air pump 208. The top of the fixed sleeve 201 is threadedly connected with a fixing bolt 5. The fixing bolt 5 is threadedly connected with the rotating ring 301. The bottom of the fixed sleeve 201 is fixedly connected with a fixed base 6. And the air pump 208 in the inner cavity of the auxiliary closed door 204 starts to work under the control of the control panel 4, and will inflate the air delivery pipe 209 and the inflatable air cushion 210, so that a constant pressure and fitting degree are maintained between the auxiliary closed door 204 and the closed furnace door 304, and the sealing effect can be maintained even under high temperature, vibration or long-term use, and it has a certain elasticity.

[0024] The usage method and advantages of the present utility model: For this new rotary kiln furnace door sealing device, during use, the working process is as follows:

[0025] As Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 、 Figure 5 and Figure 6 As shown in

[0026] The above has shown and described the basic principles, main features and advantages of the present utility model. Those skilled in the art should understand that the present utility model is not limited by the above embodiments. The above embodiments and the descriptions in the specification are only preferred examples of the present utility model and are not used to limit the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model will have various changes and improvements, and these changes and improvements all fall within the scope of the present utility model claimed. The scope of protection claimed by the present utility model is defined by the appended claims and their equivalents.

Claims

1. A novel rotary kiln door sealing device, comprising a kiln body (1), characterized in that: A sealing component (2) is provided on one side of the kiln body (1), and the sealing component (2) comprises a fixed sleeve (201), the fixed sleeve (201) is movably sleeved on one side of the kiln body (1), a side of the fixed sleeve (201) away from the kiln body (1) is fixedly connected to a protective shell 1 (202), a side of the protective shell 1 (202) away from the fixed sleeve (201) is fixedly connected to a horizontal plate (203), an inner cavity of the horizontal plate (203) is slidably connected to an auxiliary sealed door (204), a bottom of the auxiliary sealed door (204) is fixedly connected to a slider (205), and a front surface of the auxiliary sealed door (204) is fixedly connected to a buffer pad. (206), a pull handle (207) is fixedly connected to one side of the auxiliary sealed door (204), an air pump (208) is fixedly connected to the inner cavity of the auxiliary sealed door (204), an output end of one side of the air pump (208) is fixedly connected to an air supply pipe (209), a side of the air supply pipe (209) away from the air pump (208) is fixedly connected to an inflatable air cushion (210), a side of the auxiliary sealed door (204) close to the protective shell (202) is fixedly connected to a sealed cushion (211), a sliding groove (212) is provided at the bottom of the inner wall of the horizontal plate (203), and the inner wall of the sliding groove (212) is slidably connected to the slider (205).

2. The novel rotary kiln door sealing device according to claim 1 is characterized in that: A furnace door assembly (3) is provided on one side of the kiln body (1), and the furnace door assembly (3) comprises a rotating circle (301), the rotating circle (301) is rotatably connected to one side of the kiln body (1), the rotating circle (301) is sleeved in the inner cavity of the fixed sleeve (201), the side of the rotating circle (301) away from the kiln body (1) is fixedly connected to a second protective shell (302), the second protective shell (302) is sleeved in the inner cavity of the first protective shell (202), one side of the second protective shell (302) is fixedly connected to a hinge (303), and the side of the hinge (303) away from the second protective shell (302) is rotatably connected to a closed furnace door (304).

3. The novel rotary kiln door sealing device according to claim 2 is characterized in that: The closed furnace door (304) is rotatably connected to the second protective shell (302), and a second pulling handle (305) is fixedly connected to one side of the closed furnace door (304).

4. The novel rotary kiln door sealing device according to claim 3 is characterized in that: A sealing gasket (306) is fixedly connected to one side of the closed furnace door (304), and a control panel (4) is fixedly connected to one side of the protective shell (202).

5. The novel rotary kiln door sealing device according to claim 4 is characterized in that: The control panel (4) is electrically connected to the air pump (208), and a fixing bolt (5) is threadedly connected to the top of the fixing sleeve (201).

6. The novel rotary kiln door sealing device according to claim 5 is characterized in that: The fixing bolt (5) is threadedly connected to the rotating ring (301), and the bottom of the fixing sleeve (201) is fixedly connected to a fixing base (6).