Smoke exhaust device of tunnel kiln

Abstract

The utility model discloses a tunnel kiln smoke exhaust device, which belongs to the technical field of tunnel smoke exhaust equipment and comprises a filter box used for treating smoke when refractory bricks are fired at high temperature, a rectangular smoke inlet convenient for smoke to enter is arranged at one end of the filter box, two filter plates used for filtering dust in the smoke are symmetrically fixed in the filter box, and the filter plates are arranged in the filter box. A linear motor fixed to the inner wall of the filter box is arranged between the two filter plates, a mounting plate is connected to a moving part of the linear motor, a cleaning plate with a brush is connected to the side wall of the mounting plate through screws, the side wall of the cleaning plate is slidably connected with the side walls of the filter plates, and the end of the filter box is welded to the side wall of the dust removal box. The other end of the dust removal box is connected with a smoke exhaust fan for increasing the exhaust speed of the treated smoke, and the output end of the smoke exhaust fan is connected with a pipeline. The device not only can be used for treating flue gas and discharging air, but also can be used for treating and recycling a used water body, so that the practicability of the device is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to tunnel smoke exhaust equipment technical field, especially a tunnel kiln smoke exhaust device. BACKGROUND

[0002] The refractory brick is generally made of shaped refractory material, and has a standard shape and size. When the refractory brick is fired at high temperature, a large amount of flue gas is generated. In order to avoid the harm of dust contained in the flue gas to the respiratory tract of the workers, a tunnel flue gas equipment is usually used for smoke exhaust. Although the existing equipment can discharge the flue gas out of the tunnel, it cannot treat the dust contained in the flue gas, and the dust is discharged into the air, polluting the environment and having low practicability.

[0003] After searching, for example, (authorized announcement number CN221099386U) a kind of high-temperature tunnel kiln smoke exhaust device, including smoke exhaust fan, the outer side of smoke exhaust fan is provided with protective shell, the right end of protective shell is communicated with corrugated pipe, the outer side of corrugated pipe is provided with the fixed assembly for fixing corrugated pipe, the other end of corrugated pipe is communicated with the waste heat recovery component for flue gas waste heat recovery, the inner side of waste heat recovery component is provided with the dust filter screen for filtering dust in flue gas. The device not only can discharge the flue gas in the tunnel, but also can recycle and utilize the heat in the flue gas. However, the device still has the problem that the flue gas dust is not treated, and the discharge can pollute the air, reducing the practicability of the device. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a kind of tunnel kiln smoke exhaust device to solve the problems raised in the background art.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a kind of tunnel kiln smoke exhaust device, including the filter box for treating flue gas when high-temperature firing refractory brick, the one end of filter box is equipped with the flue gas inlet of rectangular shape for facilitating flue gas to enter, the inside of filter box is fixed with two filter plates for dust filtration in flue gas, the middle of two filter plates is equipped with linear motor fixed with the inner wall of filter box, the moving part of linear motor is connected with mounting plate, the side wall of mounting plate is screw-connected with the cleaning plate with brush, the side wall of cleaning plate is slidably connected with the side wall of filter plate, the end of filter box is welded with the side wall of dust removal tank, the other end of dust removal tank is connected with the smoke exhaust fan for improving the discharge speed of flue gas after treatment, the output end of smoke exhaust fan is connected with pipeline.

[0006] As a preferred embodiment, the top of dust removal tank is connected with two water pipes for water delivery, the end of two water pipes penetrates the top of dust removal tank and is communicated with hollow spray plate.

[0007] As a preferred embodiment, the side wall of the spray plate is fixed to the inner wall of the dust removal box through a fixing rod, and the bottom of the spray plate is provided with a plurality of spray holes arranged at equal intervals.

[0008] As a preferred embodiment, the side wall of the dust removal box is provided with two passages facilitating air circulation, the passages are communicated with the arranged flue gas inlet, and the bottom of the dust removal box is provided with a funnel-like material collecting groove, and the bottom of the material collecting groove is provided with a water collecting groove penetrating through the bottom of the dust removal box.

[0009] As a preferred embodiment, the bottom of the dust removal box is welded with a screening box facilitating water body filtration and cleaning, and the inner wall of the screening box is welded with two circular rods with smooth outer circumferential sides.

[0010] As a preferred embodiment, the inner wall of the screening box is movably connected with an obliquely arranged sieve plate, the fixed part of the sieve plate is slidably connected with the circular rods, and the inside of the sieve plate is embeddedly installed with a sieve screen for water body filtration.

[0011] As a preferred embodiment, one end of the sieve plate is welded with two pull rods, the two pull rods are slidably connected with the side wall of the screening box, and the end part of the pull rod is welded with a handle arranged outside the screening box.

[0012] As a preferred embodiment, one side of the sieve plate is provided with a material plate facilitating material discharge, the bottom of the material plate is provided with a discharge hopper receiving material, the discharge hopper extends to the outside through the screening box, and the discharge hopper is obliquely arranged.

[0013] Compared with the prior art, the technical effects and advantages of the utility model are as follows:

[0014] The tunnel kiln smoke exhaust device is characterized in that two symmetrical filter plates are arranged in the filter box, the filter plates can filter dust carried by flue gas entering the filter box, in order to avoid that the filter plates are blocked by dust after long-time use, a linear motor fixed to the filter box is arranged between the two filter plates, a mounting plate is connected to the moving part of the linear motor, a cleaning plate with a brush is fixed to the other side of the mounting plate, the cleaning plate is slidably connected with the side wall of the filter plate, and thus the filter box can clean flue gas entering the inside of the filter box for a long time through the arrangement of the filter plate and the cleaning plate, and the practicability of the device is improved.

[0015] The tunnel kiln smoke exhaust device is characterized in that the inner bottom wall of the dust removal box is fixed with a hollow spray plate through a connecting rod, the bottom of the spray plate is provided with a plurality of spray holes arranged at equal intervals, the dust removal box is connected with the filter box, and the spray plate is communicated with two water pipes penetrating through the top of the dust removal box, so that water can be sprayed out through the arranged spray holes, dust in flue gas entering the inside of the dust removal box is treated again, and the used water is collected through the arranged material collecting groove and water collecting groove, water circulation is realized through the pipeline communicated with the water collecting groove, and the practicability of the device is improved.

[0016] This device solves the problem of existing equipment being unable to remove dust from emitted flue gas, thus avoiding environmental pollution and improving the device's practicality. Attached Figure Description

[0017] To more clearly illustrate the specific embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0018] Figure 1 This is a schematic diagram of the structure of a tunnel kiln exhaust device according to the present invention;

[0019] Figure 2 For practical purposes Figure 1 Half-section view of the filter box in the AA direction;

[0020] Figure 3 For practical purposes Figure 1 Half-section view of the dust collector box in the AA direction;

[0021] Figure 4 This is a schematic diagram of the structure of the screening box of this utility model;

[0022] Figure 5 This is a schematic diagram of the structure of the sieve plate of this utility model.

[0023] Explanation of reference numerals in the attached figures:

[0024] In the diagram: 1. Filter box; 2. Dust collector box; 3. Water pipe; 4. Exhaust fan; 5. Screening box; 6. Discharge hopper; 7. Flue gas inlet; 8. Cleaning plate; 9. Linear motor; 10. Mounting plate; 11. Filter plate; 12. Spray plate; 13. Channel; 14. Spray hole; 15. Water collection tank; 16. Screen plate; 17. Round rod; 18. Handle; 19. Screen mesh. Detailed Implementation

[0025] In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. However, it will be apparent to those skilled in the art that the present invention can be practiced without one or more of these details. In other instances, certain technical features well-known in the art have not been described in order to avoid confusion with the present invention.

[0026] Unless otherwise defined, the directions mentioned herein, such as up, down, left, right, front, back, inside, and outside, are based on the directions shown in the figures of this utility model, and are explained here together.

[0027] The connection method can be any existing method, such as bonding, welding, or bolting, depending on the actual needs.

[0028] An embodiment of a tunnel kiln flue gas exhaust device, such as Figures 1 to 5 As shown, the filter box 1 is used to treat flue gas during the high-temperature firing of refractory bricks. One end of the filter box 1 is provided with a rectangular flue gas inlet 7 to facilitate the entry of flue gas. Inside the filter box 1, two filter plates 11 are symmetrically fixed for filtering dust in the flue gas. In order to clean the dust cleaned from the filter plates 11, a receiving groove is provided at the bottom of the filter plate 11 where it connects to the filter box 1. The receiving groove is close to both ends of the filter plate 11, and the overall structure of the receiving groove is arc-shaped. The receiving groove can collect the cleaned dust, which can be cleaned periodically by the dust collection box provided at the bottom of the filter box 1.

[0029] A linear motor 9 is fixed to the inner wall of the filter box 1 between the two filter plates 11. The moving part of the linear motor 9 is connected to the mounting plate 10. The side wall of the mounting plate 10 is screwed to a cleaning plate 8 with a brush. A brush plate is provided at the bottom of the cleaning plate 8 to facilitate cleaning and carrying the accumulated dust. The brush plate carries the dust assisted by the filter plates 11 into the receiving trough. The dust is collected and cleaned through the dust collection box connected to the receiving trough.

[0030] The side wall of the cleaning plate 8 is slidably connected to the side wall of the filter plate 11. In order to ensure the overall service life and cleaning effect of the device, the linear motor 9 is protected by high temperature and dust prevention measures. A vibration motor is fixed on the side wall of the moving part of the linear motor 9. The output end of the vibration motor is fixed to the mounting plate 10. Thus, the dust in the mesh of the filter plate 11 is cleaned by the operation of the vibration motor and the linear motor 9, thereby improving the practicality of the device.

[0031] The end of the filter box 1 is welded to the side wall of the dust collector box 2. The other end of the dust collector box 2 is connected to an exhaust fan 4 to improve the emission speed of the treated flue gas. The exhaust fan 4 is connected to the channel 13 through a connecting pipe. The channel 13 is set on both sides of the dust collector box 2 and is connected to the flue gas inlet 7. The exhaust fan 4 is connected to the dust collector box 2 through a connecting pipe, so that the flue gas treated by the dust collector box 2 can circulate. The output end of the exhaust fan 4 is connected to a pipe. With the exhaust fan 4 and the change in pipe diameter, the flue gas flow rate inside the pipe is improved.

[0032] The inner top wall of the dust removal box 2 is connected with the hollow spray plate 12 through a welded connecting rod, a water pipe 3 is connected to the top of the dust removal box 2, the water pipe 3 penetrates through the top of the dust removal box 2 and communicates with the spray plate 12, a plurality of equidistant spray holes 14 are arranged at the bottom of the spray plate 12, the water pipe 3 can spray water through the spray holes 14, and the water droplets can be adsorbed and cleaned from the dust carried in the flue gas through the atomizing and spraying mode, so that the treatment effect of the flue gas is further improved.

[0033] A funnel-shaped material collecting groove is arranged on the inner bottom wall of the dust removal box 2, the material collecting groove can facilitate the collection of the water after use, a water collecting groove 15 connected with the bottom of the dust removal box 2 is arranged at the bottom of the material collecting groove, a pipeline is connected to the bottom of the water collecting groove 15, and the concentrated output of the water is completed through the pipeline.

[0034] A movable handle 18 is arranged on one side of the screening box 5, two pull rods are welded on one side of the handle 18, the pull rods are slidably connected with the end of the screening box 5, the other end of the pull rod is welded with the end of the sieve plate 16, through holes are arranged on the fixed portions of the two sides of the sieve plate 16, the through holes are slidably connected with the smooth round rods 17 on the outer circumferential side, the ends of the round rods 17 are welded with the inner wall of the screening box 5, and the sieve screen 19 is embedded and arranged in the sieve plate 16, through the arrangement of the sieve screen 19 and the sieve plate 16, the water in the screening box 5 is filtered and treated, a communication control valve is arranged at the bottom of the screening box 5, through the arrangement of the control valve, the water is recycled, and resources are saved.

[0035] A material plate is arranged on one side of the sieve plate 16 to facilitate discharging, an inclined discharge hopper 6 is arranged below the material plate, the discharge hopper 6 is welded with the side wall of the screening box 5, and the discharge hopper 6 extends to the outside of the screening box 5, and the dust treated by the water is discharged through the discharge hopper 6.

[0036] The smoke exhaust fan 4 and the linear motor 9 are conventional instruments, and the working principle, size and model are irrelevant to the function of the present application, so they will not be described in detail, the control mode of the present application is controlled by a controller, the control circuit of the controller can be realized by simple programming of the person skilled in the art, the power supply also belongs to the common knowledge in the art, and the present application is mainly used for protecting mechanical devices, so the control mode and the circuit connection of the present application will not be explained in detail.

[0037] Working principle

[0038] The tunnel kiln exhaust device, when using the device, by fixing the device on the top of the tunnel, the smoke generated by firing the refractory brick enters into the filter box 1 through the smoke inlet 7, under the action of the filter plate 11, the first part is filtered, then the treated smoke enters into the connected dust removal box 2, the water pipe 3 supplies water, through the spray plate 12 and the spray hole 14, the smoke is treated twice, and the used water is gathered through the water collecting groove 15 arranged on the inner bottom wall of the dust removal box 2, the further treated smoke is discharged into the air through the connected exhaust fan 4 through the pipeline;

[0039] Finally, the water carrying dust enters into the screening box 5, the sieve plate 16 is driven to move in the screening box 5 through the handle 18, the water is filtered through the cooperation of the sieve net 19, the dust is conveyed to the inclined discharge hopper 6 through the material plate arranged on one side of the sieve plate 16, the dust cleaning is completed, then, the treated water is recycled through the control valve arranged at the bottom of the screening box 5.

[0040] It should be noted that in this text, relational terms such as one and two are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between the entities or operations. Moreover, the term "includes", "contains" or any other variant thereof is intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment. Without more limitations, the statement "includes a limited element" does not exclude the presence of additional identical elements in the process, method, article or equipment including the element.

[0041] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A tunnel kiln flue gas exhaust device, comprising a filter box (1) for treating flue gas during high-temperature firing of refractory bricks, characterized in that: One end of the filter box (1) is provided with a rectangular flue gas inlet (7) to facilitate the entry of flue gas. Inside the filter box (1), two filter plates (11) for filtering dust in the flue gas are symmetrically fixed. A linear motor (9) fixed to the inner wall of the filter box (1) is provided between the two filter plates (11). The moving part of the linear motor (9) is connected to a mounting plate (10). A cleaning plate (8) with a brush is screwed to the side wall of the mounting plate (10). The side wall of the cleaning plate (8) is slidably connected to the side wall of the filter plate (11). The end of the filter box (1) is welded to the side wall of the dust collector (2). The other end of the dust collector (2) is connected to a smoke exhaust fan (4) to improve the emission speed of the treated flue gas. The output end of the smoke exhaust fan (4) is connected to a pipe.

2. The tunnel kiln exhaust device according to claim 1, characterized in that: The top of the dust collector (2) is connected to two water pipes (3) for water transportation. The ends of the two water pipes (3) pass through the top of the dust collector (2) and are connected to the hollow spray plate (12).

3. The tunnel kiln exhaust device according to claim 2, characterized in that: The side wall of the spray plate (12) is fixed to the inner wall of the dust collection box (2) by a fixing rod, and the bottom of the spray plate (12) is also provided with a number of equally spaced spray holes (14).

4. The tunnel kiln exhaust device according to claim 3, characterized in that: The dust collector (2) has two channels (13) on its side wall to facilitate air circulation. The channels (13) are connected to the flue gas inlet (7). The bottom of the dust collector (2) is provided with a funnel-shaped material collection trough. The bottom of the material collection trough is provided with a water collection trough (15) that runs through the bottom of the dust collector (2).

5. The tunnel kiln exhaust device according to claim 4, characterized in that: The bottom of the dust collector (2) is welded with a screening box (5) to facilitate water filtration and cleaning. The inner wall of the screening box (5) is welded with two round rods (17) with smooth outer circumferences.

6. The tunnel kiln exhaust device according to claim 5, characterized in that: The inner wall of the screening box (5) is movably connected to an inclined screen plate (16), the fixed part of the screen plate (16) is slidably connected to a round rod (17), and a screen (19) for water filtration is embedded inside the screen plate (16).

7. A tunnel kiln flue gas exhaust device according to claim 6, characterized in that: Two pull rods are welded to one end of the sieve plate (16). The two pull rods are slidably connected to the side wall of the screening box (5), and the ends of the pull rods are welded to the handle (18) located on the outside of the screening box (5).

8. The tunnel kiln exhaust device according to claim 7, characterized in that: The screen plate (16) has a material plate on one side for easy discharge, and a discharge hopper (6) for receiving material is provided at the bottom of the material plate. The discharge hopper (6) extends through the screening box (5) to the outside and is inclined.

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