Furfural residue boiler with flue gas filtering device

Abstract

The utility model relates to the technical field of flue gas filtering devices, and provides a furfural residue boiler with a flue gas filtering device, which comprises a shell, a chimney is arranged at the top of the shell, a filter screen is arranged in the chimney, an annular positioning guide rail is arranged in the chimney, an annular positioning groove is arranged in the annular positioning guide rail, and the flue gas filtering device is arranged in the annular positioning groove. A first opening penetrating through the inner wall of the chimney is formed in one side of the annular positioning groove, a mounting frame is arranged on the periphery of the filter screen, a connecting plate is arranged on the side, close to the first opening, of the mounting frame and extends to the outside of the chimney, and a fixing groove is formed in the side, outside the chimney, of the connecting plate. By means of the technical scheme, the problems that a filter screen of a filter device in the related technology is inconvenient to replace or clean, particulate matter in smoke blocks the filter screen, and the working efficiency of the filter screen is reduced are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of furfural slag boilers, and specifically relates to a furfural slag boiler with a flue gas filtering device. Background Art

[0002] Furfural slag shell is a shell equipment that uses crop straw, furfural slag, etc. as fuel. It adopts modern engineering technology and equipment, and is of great significance in energy resource utilization and environmental protection.

[0003] During the use of the existing furfural slag shell, crop straw and furfural slag need to be burned, which will generate a large amount of smoke. These smoke must be treated by a filter device before they can be discharged into the air. In order to ensure stable and reliable working conditions under high temperature, high pressure and high-speed flue gas, the filter in the existing filter device is usually fixedly connected, which makes it inconvenient for the staff to replace or clean the filter. If the filter is not cleaned or replaced for a long time, it may be affected by particulate matter in the flue gas, causing blockage and reducing the working efficiency of the filter. Utility Model Content

[0004] The utility model provides a furfural slag boiler with a flue gas filtering device, which solves the problem that the filter screen of the related technical filtering device is inconvenient to replace or clean, and the particles in the flue gas clog the filter screen, thereby reducing the working efficiency of the filter screen.

[0005] The technical solution of the utility model is as follows: a furfural slag boiler with a flue gas filtering device, comprising a shell, a chimney is provided on the top of the shell, a filter is provided in the chimney, an annular positioning guide is provided inside the chimney, an annular positioning groove is provided in the annular positioning guide, a first opening penetrating the inner wall of the chimney is provided on one side of the annular positioning groove, a mounting frame is provided around the filter, a connecting plate is provided on the side of the mounting frame close to the first opening, and the connecting plate extends to the outside of the chimney, a fixing groove is provided on one side of the connecting plate outside the chimney, and a fixing mechanism abutting against the fixing groove is provided on the outer wall of the chimney.

[0006] The fixing mechanism includes an installation box, a telescopic rod, and an elastic member. The installation box is arranged on the outer wall of the chimney and fixedly connected to the outer wall of the chimney. A telescopic groove is arranged inside the installation box, and a mounting groove is arranged on the top of the telescopic groove. The telescopic rod is arranged in the telescopic groove. A sliding block is arranged at one end of the telescopic rod close to the installation groove, and the telescopic rod abuts against the fixed groove. One end of the elastic member is fixedly connected to the bottom of the installation groove, and the other end of the elastic member abuts against the sliding block. A sliding block is arranged at one end of the installation box away from the chimney, and the sliding block is communicated with the telescopic groove. A pull rod is fixedly connected to one end of the slider close to the sliding block, and the pull rod extends to the outside of the installation box.

[0007] Furthermore, sealing gaskets are provided on both sides of the annular positioning groove.

[0008] Furthermore, guide grooves are provided on both sides of the telescopic groove, and guide blocks are provided on both sides of the sliding block, and the guide blocks are slidably connected to the inner wall of the guide groove.

[0009] Furthermore, a second opening is provided at the bottom of the telescopic slot, and a limit block is provided at the second opening, the telescopic rod passes through the limit block and extends to the outside of the installation box, the telescopic rod is slidably connected to the inner wall of the limit block, and the slider abuts against the limit block.

[0010] Furthermore, one end of the connecting plate away from the chimney is in an arc shape, and a handle groove penetrating through the connecting plate is provided on the top surface of the connecting plate, and the handle groove is in an arc shape.

[0011] The working principle and beneficial effects of the utility model are:

[0012] 1. In the utility model, when the staff needs to replace or clean the filter, the staff holds the pull rod with one hand and pushes it upwards. At this time, the telescopic rod will be detached from the fixing groove on the connecting plate. At this time, the connecting plate loses the fixing effect of the telescopic rod. The other hand only needs to hold the handle groove on the connecting plate to pull out the filter. The operation is convenient. The fixing effect of the fixing mechanism on the connecting plate can avoid deformation or displacement of the filter under the impact of high-speed flue gas, ensuring that the filter maintains a stable and reliable working state under high temperature, high pressure and high-speed flue gas environment, thereby improving the filtering efficiency of the filter. At the same time, the fixing mechanism has a detachable function, which solves the problem that it is inconvenient for staff to replace or clean the filter in the existing filtering device, thereby reducing the working efficiency of the filter.

[0013] 2. The utility model provides an annular positioning guide rail and annular positioning groove, so that the disassembled filter can be easily and accurately re-positioned and installed on the annular positioning groove, and ensure that the filter maintains the correct position and state during the entire use process. At the same time, the annular positioning guide rail and the annular positioning groove can make the filter more stably fixed in the chimney, improve the stability of the filter and maintain the filter in a reliable working state.

[0014] 3. The utility model can ensure that no smoke or impurities will leak out from the opening of the furfural slag shell during smoke exhaust by providing a sealing gasket, thereby improving the safety of the operator. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0016] Figure 1 It is a schematic diagram of the structure of the utility model;

[0017] Figure 2It is a partial cross-sectional view of the utility model;

[0018] Figure 3 for Figure 2 Enlarged view of point A in the middle;

[0019] Figure 4 for Figure 2 Enlarged view of point B in the middle.

[0020] In the figure: 1. shell; 2. chimney; 201. filter; 2011. installation frame; 202. annular positioning guide rail; 203. annular positioning groove; 2031. sealing gasket; 204. first opening; 205. connecting plate; 2051. handle groove; 206. fixing groove; 3. installation box; 301. telescopic rod; 302. elastic member; 303. telescopic groove; 304. installation groove; 305. slider; 306. slide groove; 307. pull rod; 308. guide groove; 309. guide block; 310. second opening; 311. limit block. DETAILED DESCRIPTION

[0021] The following will be combined with the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] refer to Figure 1-4A furfural slag boiler with a flue gas filtering device comprises a shell 1, a chimney 2 is arranged on the top of the shell 1, a filter screen 201 is arranged in the chimney 2, an annular positioning guide rail 202 is arranged inside the chimney 2, an annular positioning groove 203 is arranged in the annular positioning guide rail 202, the annular positioning groove 203 can make the filter screen 201 after removal be easily and accurately re-positioned and installed on the annular positioning groove 203, and ensure that the filter screen 201 maintains the correct position and state during the whole use process, so as to improve the efficiency of the staff in installing the filter screen 201, sealing gaskets 2031 are arranged on both sides of the annular positioning groove 203, and the sealing gasket 2031 is selected from asbestos gaskets, because the flue gas discharged from the furfural slag shell 1 usually has a high temperature, and the asbestos gasket has good high temperature resistance and sealing performance, which can effectively prevent the flue gas from passing through the first opening 20 4 leaks, so the sealing gasket 2031 is preferably an asbestos gasket. One side of the annular positioning groove 203 is provided with a first opening 204 that penetrates the inner wall of the chimney 2. A mounting frame 2011 is provided around the filter screen 201. The filter screen 201 is connected to the mounting frame 2011, so that the filter screen 201 can be more stably fixed in the chimney 2, and it is not easy to shake or fall, thereby improving the safety of use. At the same time, the mounting frame 2011 can make the filter screen 201 more convenient to disassemble and replace, easy to clean and maintain, and reduce the cost of use and the difficulty of maintenance. A connecting plate 205 is provided on one side of the mounting frame 2011 close to the first opening 204, and the connecting plate 205 extends to the outside of the chimney 2. A fixing groove 206 is provided on one side of the connecting plate 205 outside the chimney 2, and a fixing mechanism abutting against the fixing groove 206 is provided on the outer wall of the chimney 2.

[0023] In this embodiment, the fixing mechanism includes a mounting box 3, a telescopic rod 301, and an elastic member 302. The elastic member 302 is a cylindrical compression spring. The cylindrical compression spring can provide uniform compression force to effectively support and maintain the normal operation of the fixing mechanism. It can provide the necessary compression and resilience, so that the fixing mechanism can work more stably and achieve higher performance.

[0024] The installation box 3 is arranged on the outer wall of the chimney 2 and fixedly connected to the outer wall of the chimney 2. A telescopic groove 303 is arranged inside the installation box 3. A mounting groove 304 is arranged on the top of the telescopic groove 303. A telescopic rod 301 is arranged in the telescopic groove 303. A slider 305 is arranged at one end of the telescopic rod 301 close to the mounting groove 304. The telescopic rod 301 abuts against the fixing groove 206. One end of the elastic member 302 is fixedly connected to the bottom of the mounting groove 304. The mounting groove 304 can provide a fixed position to install the elastic member 302, so that the elastic member 302 can be stably fixed at the desired position, is not easy to loosen or fall off, and improves the safety and reliability of use.

[0025] The other end of the elastic member 302 abuts against the slider 305, and a slide groove 306 is provided at the end of the installation box 3 away from the chimney 2, and the slide groove 306 is connected to the telescopic groove 303. The end of the slider 305 close to the slide groove 306 is fixedly connected with a pull rod 307, and the side of the pull rod 307 away from the installation box 3 is in an arc shape. The arc shape design can reduce sharp edges and corners, reducing the risk of accidental injury, and the pull rod 307 extends to the outside of the installation box 3. When the staff needs to remove or replace the filter 201, first hold the pull rod 307 and push it upwards. At this time, the telescopic rod 301 will be detached from the fixing groove 206 on the connecting plate 205. At this time, the connecting plate 205 loses the fixing effect of the telescopic rod 301, and the filter 201 only needs to be pulled out through the connecting plate 205, which is convenient to operate.

[0026] In this embodiment, guide grooves 308 are provided on both sides of the telescopic groove 303, and guide blocks 309 are provided on both sides of the slider 305. The guide blocks 309 are slidably connected to the inner walls of the guide grooves 308. The guide blocks 309 can ensure that the telescopic rod 301 moves according to a predetermined trajectory and positioning accuracy, thereby improving the movement accuracy and stability of the telescopic rod 301.

[0027] In this embodiment, a second opening 310 is provided at the bottom of the telescopic slot 303, and a stop block 311 is provided at the second opening 310. The telescopic rod 301 passes through the stop block 311 and extends to the outside of the installation box 3. The telescopic rod 301 is slidably connected to the inner wall of the stop block 311, and the slider 305 abuts against the stop block 311. The stop block 311 can prevent the telescopic rod 301 from exceeding the safe working range and ensure the stability of the operation of the fixing mechanism. The end of the connecting plate 205 away from the chimney 2 is in an arc shape, and the top surface of the connecting plate 205 is provided with a stop block 311 that passes through the connecting plate 205. The handle groove 2051 is in an arc shape, which better fits the shape of the hand. When holding the handle, the contact area between the hand and the handle groove 2051 is larger, which can increase the stability of the handle and provide better control and operability. The inner wall of the handle groove 2051 is provided with a heat insulating material, which can reduce the heat transfer between the mounting frame 2011 and the connecting plate 205 to a certain extent, thereby reducing the temperature influence of the handle groove 2051 on the hand, thereby protecting the hand from burns and avoiding damage to the skin.

[0028] Working principle: When the staff needs to replace or clean the filter 201, the staff holds the pull rod 307 with one hand and pushes it upwards, and the telescopic rod 301 will be separated from the fixing groove 206 on the connecting plate 205. At this time, the connecting plate 205 loses the fixing effect of the telescopic rod 301. The other hand only needs to hold the handle groove 2051 on the connecting plate 205 to pull out the filter 201, which is convenient to operate.

[0029] When the staff needs to install the filter 201, the staff holds the pull rod 307 with one hand and pushes it upwards, the telescopic rod 301 will move in the direction of the compression elastic member 302, and the telescopic rod 301 will be in a retracted state. At this time, the staff aligns the installation frame 2011 with the first opening 204 with the other hand and inserts it, and at the same time releases the pull rod 307, the telescopic rod 301 will be pushed out by the elastic member 302, thereby fixing the filter 201.

[0030] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A furfural slag boiler with a flue gas filtering device, comprising a shell (1), a chimney (2) is provided on the top of the shell (1), a filter screen (201) is provided in the chimney (2), and the characteristics are: An annular positioning rail (202) is provided inside the chimney (2), an annular positioning groove (203) is provided inside the annular positioning rail (202), a first opening (204) penetrating the inner wall of the chimney (2) is provided on one side of the annular positioning groove (203), a mounting frame (2011) is provided around the filter screen (201), a connecting plate (205) is provided on one side of the mounting frame (2011) close to the first opening (204), and the connecting plate (205) extends to the outside of the chimney (2), a fixing groove (206) is provided on one side of the connecting plate (205) outside the chimney (2), and a fixing mechanism abutting against the fixing groove (206) is provided on the outer wall of the chimney (2); The fixing mechanism comprises an installation box (3), a telescopic rod (301), and an elastic member (302); the installation box (3) is arranged on the outer wall of the chimney (2) and is fixedly connected to the outer wall of the chimney (2); a telescopic groove (303) is arranged inside the installation box (3); a mounting groove (304) is arranged at the top of the telescopic groove (303); the telescopic rod (301) is arranged in the telescopic groove (303); a sliding block (305) is arranged at one end of the telescopic rod (301) close to the mounting groove (304); and the telescopic rod (301) is provided with a plurality of sliding blocks (306) and a plurality of sliding blocks (307) at the ends of the telescopic rod (301) and the plurality of sliding blocks (308) are provided with the plurality of sliding blocks (309). (301) abuts against the fixed groove (206), one end of the elastic member (302) is fixedly connected to the bottom of the installation groove (304), the other end of the elastic member (302) abuts against the slider (305), the end of the installation box (3) away from the chimney (2) is provided with a slide groove (306), the slide groove (306) is connected to the telescopic groove (303), and the end of the slider (305) close to the slide groove (306) is fixedly connected with a pull rod (307), and the pull rod (307) extends to the outside of the installation box (3).

2. A furfural slag boiler with a flue gas filtering device according to claim 1, characterized in that: Sealing pads (2031) are provided on both sides of the annular positioning groove (203).

3. The furfural slag boiler with a flue gas filtering device according to claim 1, characterized in that: Guide grooves (308) are provided on both sides of the telescopic groove (303), and guide blocks (309) are provided on both sides of the sliding block (305), and the guide blocks (309) are slidably connected to the inner wall of the guide groove (308).

4. The furfural slag boiler with a flue gas filtering device according to claim 1, characterized in that: A second opening (310) is provided at the bottom of the telescopic slot (303), and a limit block (311) is provided at the second opening (310); the telescopic rod (301) passes through the limit block (311) and extends to the outside of the installation box (3); the telescopic rod (301) is slidably connected to the inner wall of the limit block (311), and the slider (305) abuts against the limit block (311).

5. The furfural slag boiler with a flue gas filtering device according to claim 1, characterized in that: One end of the connecting plate (205) away from the chimney (2) is in an arc shape, and a handle groove (2051) penetrating the connecting plate (205) is provided on the top surface of the connecting plate (205), and the handle groove (2051) is in an arc shape.

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