Ceramic fiber catalytic filter tube

Abstract

The invention relates to the field of catalytic filter tubes, in particular to a ceramic fiber catalytic filter tube. The technical problems that after an existing ceramic fiber catalytic filter pipe is used for a long time, a catalyst is attached to the surface of the ceramic fiber catalytic filter pipe, the catalyst loses efficacy after the ceramic fiber catalytic filter pipe is used for a long time, a user needs to disassemble the ceramic fiber catalytic filter pipe, and then the purification efficiency of the whole purification process is easily affected are solved. According to the technical scheme, the ceramic fiber catalytic filter tube comprises an adjusting assembly; a pipe body assembly is arranged on the inner side of the adjusting assembly; the adjusting assembly comprises a flange plate; the lower end of the flange plate is connected with a combined sheet through a bolt; a combined ring is welded on one side of the combined sheet through argon arc welding; the tube body assembly comprises an outer sleeve. By arranging the special built-in catalyst filling structure and the inner and outer layer type structure, the service life of the ceramic fiber catalytic filter tube is prolonged, and the disassembly convenience of the ceramic fiber catalytic filter tube is improved.

Description

Technical Field

[0001] The invention relates to the field of catalytic filter tubes, in particular to a ceramic fiber catalytic filter tube. Background Art

[0002] The country develops green energy, and has clearly defined the photovoltaic industry as a "carbon neutral" supportive industry. Under the premise of policy requirements, there are clear requirements for the photovoltaic industry. This involves the investment cost of photovoltaic components and the issue of electricity conversion rate. In glass kilns and waste incineration, it is inevitable that a large amount of harmful flue gas will need to be purified and discharged. When treating flue gas, existing glass kilns and waste incineration mostly purify it by setting up corresponding flue gas purification structures, and certain purification filter tubes are often arranged inside the flue gas purification structure. In the existing process, ceramic fiber catalytic filter tubes can be said to be a more common purification filter tube. The existing ceramic fiber catalytic filter tubes Generally, ceramic fiber high-temperature dust removal tubes are used as the base lining. The ceramic fiber catalytic filter tubes formed by combining nano-scale SCR catalysts can form a composite ability of external surface dust removal and internal denitrification of the tube wall, which can simultaneously remove particulate matter, NOx, dioxins, SOx (auxiliary) and some VOCs, etc. However, during the use of existing ceramic fiber high-temperature dust removal tubes, they often need to be disassembled after long-term use because of the catalyst attached to their surfaces. However, their volume is too large. When disassembling and assembling them, the connecting plate connecting the tube body needs to be removed simultaneously with the tube body in order to be cleaned, which will affect the purification efficiency of the entire purification process to a certain extent. Summary of the invention

[0003] In order to overcome the problem that the existing ceramic fiber catalytic filter tube will become ineffective after long-term use due to the catalyst attached to its surface, the user is required to disassemble the ceramic fiber catalytic filter tube, which can easily affect the purification efficiency of the entire purification process.

[0004] The technical solution of the present invention is: a ceramic fiber catalytic filter tube, including an adjustment component; a tube body component is arranged on the inner side of the adjustment component; the adjustment component includes a flange plate; the lower end of the flange plate is connected with a combination sheet by bolts; a combination ring is welded to one side of the combination sheet by argon arc welding; the tube body component includes an outer sleeve; a positioning plate is welded to the outer side of the outer sleeve by argon arc welding; a plurality of elastic tubes are fixedly connected to the outer sleeve; and the plurality of elastic tubes are arranged in a circle with the vertical center line of the outer sleeve as the axis; an inner support frame is fixedly connected to the inner side of the elastic tube; a circular guide cavity is opened on the inner side of the outer sleeve; a plurality of reinforcing strips are fixedly connected to the inner wall of the outer sleeve; and the plurality of reinforcing strips are arranged in a circle with the vertical center line of the outer sleeve as the axis.

[0005] Preferably, the front and rear ends of the combination ring are welded with a fixing plate by argon arc welding; two adjacent fixing plates are connected by studs and nuts; a plurality of connecting holes are provided on the flange plate; the connecting holes penetrate the flange plate; and a plurality of mounting grooves are provided on the upper end surface of the combination ring.

[0006] Preferably, a fixing ring is fixedly connected to the lower end of the outer sleeve; a dust cover is provided at the lower end of the fixing ring; the dust cover and the fixing ring are integrated into one body; a plurality of through holes are provided on the dust cover; a sealing ring is provided at the upper end of the inner support frame; a clamping block is fixedly connected to the lower end of the sealing ring.

[0007] Preferably, the clamping block and the inner support frame are arranged to fit together; a plurality of abutment plates are fixedly connected to the outer side of the sealing ring; a connecting sleeve is welded to both sides of the sealing ring by manual arc welding; a fixing strip is installed on the inner side of the connecting sleeve by bolts; a mounting frame is arranged at the upper end of the fixing strip; the mounting frame and the fixing strip are arranged in an integrated form; a synchronization ring is installed on the outer side of the mounting frame.

[0008] Preferably, a fastening assembly is provided on the outside of the adjusting assembly; the fastening assembly includes a fixed flower plate; the fixed flower plate and the synchronous ring are welded by manual arc welding; a fastening frame is installed on the outside of the fixed flower plate; a plurality of positioning strips are fixedly connected to the front and rear ends of the fastening frame; a plurality of positioning grooves are provided on both sides of the fastening frame; the positioning grooves and the positioning strips are arranged to correspond one to one and the positioning grooves and the positioning strips are arranged to fit together; a fastening cover plate is provided on the inside of the fastening frame; a plurality of connecting bolts are provided on the fastening cover plate; the fastening cover plate is connected to the fixed flower plate by connecting bolts; a sealing gasket is provided between the fixed flower plate and the flange plate.

[0009] Preferably, a clamping assembly is provided at the upper end of the fastening assembly; the clamping assembly includes a mounting seat; the mounting seat is connected to the fastening cover plate by bolts; a connecting strip is provided at the upper end of the mounting seat; a mounting plate is installed at the upper end of the connecting strip; a limiting ring is installed on the mounting plate; a fixing column is slidably connected to the inner side of the limiting ring; a return spring is provided on the outer side of the fixing column; and a clamping plate is fixedly connected to the lower end of the return spring.

[0010] Preferably, a limit assembly is provided on the inner side of the tube body assembly; the limit assembly includes a mounting plate; a plurality of mounting plates are provided; the combination ring and the mounting plate are arranged to fit together through a mounting groove; a venturi is welded on the mounting plate by manual arc welding; a rotating frame is rotatably connected to the inner side of the venturi; a connecting column is installed on the inner side of the rotating frame; an inner sleeve is provided on the outer side of the venturi; a plurality of guide strips are fixedly connected to the outer side of the inner sleeve; the plurality of guide strips are arranged in a circular shape with the vertical center line of the inner sleeve as the axis.

[0011] Preferably, a mounting ring is welded to the upper end of the guide bar by argon arc welding; the mounting ring and the combination ring are arranged to fit together; a connecting ring is welded to the lower end of the guide bar by argon arc welding; a plurality of positioning sleeves are fixed to the lower end of the connecting ring; a positioning ring is rotatably connected to the inner side of the positioning sleeve; a rotating sleeve is fixed to the positioning ring; a plurality of scraping blades are welded to the outer side of the rotating sleeve by argon arc welding; the rotating sleeve is arranged in a quarter spherical cover shape; a fixing plate is installed at the lower end of the connecting column; the fixing plate and the rotating sleeve are welded and connected by manual arc welding.

[0012] Preferably, a base plate assembly is arranged on the outside of the tube body assembly; the base plate assembly includes a rotating ring; the rotating ring is connected to the fixed ring by bolts; a plurality of combination sleeves are rotatably connected to the outside of the rotating ring; the plurality of combination sleeves are arranged in a circle with the vertical center line of the outer sleeve as the axis; a fixed base plate is installed on the outside of the combination sleeve; the fixed base plate is configured as a rectangular plate.

[0013] Preferably, the inner diameter of the inner sleeve is 80-160mm, the wall thickness is 10-30mm, and the outer diameter is 140-180mm; the raw material formula of the inner sleeve includes the following raw materials in percentage by mass: 35-60% ceramic fiber, 38-42% aluminum silicate fiber, 5-10% kaolin, 2-5% acrylonitrile-butadiene-styrene copolymer, and 2-5% nano-SCR catalyst; the preparation method comprises: the first step: according to the raw material formula, the above raw materials are configured in proportion and mixed evenly, and then water is added according to 100-120% of the total amount of raw materials; the second step: filling the mold, extruding and demolding after compaction; the third step: heating and drying, heating at 100-150°C for 80-100 hours; the outer sleeve is coated with a denitration catalyst, and it is a V2O5-WO3(MoO3) / TiO2 series.

[0014] Beneficial effects of the present invention: 1. The ceramic fiber catalytic filter tube body of the present invention is added with nano-scale SCR catalyst during the preparation process. The ceramic fiber catalytic filter tube body has nano-scale SCR catalyst from the inside to the outside, so that the catalysis is more uniform and maintained for a longer time.

[0015] 2. By setting a special built-in catalyst filling structure and an inner and outer layer structure, the use time of the ceramic fiber catalytic filter tube is increased and the convenience of disassembly of the ceramic fiber catalytic filter tube is improved, so as to a certain extent, the problem that the existing ceramic fiber catalytic filter tube will fail after a long time of use due to the catalyst attached to its surface, so that the user needs to disassemble the ceramic fiber catalytic filter tube, which can easily affect the purification efficiency of the entire purification process; 3. First, the catalyst is pre-filled inside the outer sleeve by setting an elastic tube, and the deformation resistance of the elastic tube is improved by the inner support frame inside the elastic tube. At the same time, when the smoke passes through the outer sleeve and enters the interior of the guide cavity, the smoke purification can be promoted by the catalyst arranged in the elastic tube. At the same time, the impact resistance of the entire outer sleeve is improved by a plurality of reinforcing strips fixed to the inner wall of the elastic tube. At the same time, the outer sleeve and the inner sleeve are installed in an inside-outside manner, so that the user can remove the inner sleeve from the outer sleeve to achieve rapid cleaning of the inner sleeve, and then clean the outer sleeve through the pulse structure, so as to achieve rapid cleaning of the ceramic fiber catalytic filter tube; 4. By removing the bolts on the flange plate, the flange plate and the assembly plate can be separated, and by placing the appropriately installed flange plate against the assembly ring and reinstalling the bolts, the specifications of the connecting flange of the ceramic fiber catalytic filter tube can be quickly switched. At the same time, by removing the studs and nuts on the two assembly rings, the two assembly rings can be separated, so that the assembly ring is separated from the mounting ring, so that the user can quickly separate the venturi tube from the inner sleeve. At the same time, through the mounting frame fixed to the synchronous ring, the user can drive the entire sealing ring to move upward by pulling the synchronous ring, and the clamping block on the sealing ring can be separated from the outer sleeve, so that the user can quickly fill the catalyst into the elastic tube, so that the user can quickly fill the catalyst according to the use time of the ceramic fiber catalytic filter tube; 5. The user can rotate the rotating frame installed on the connecting column so that the rotating rotating frame drives the connecting column to rotate, and the rotating connecting column drives the fixed plate installed on the bottom end of the connecting column to rotate. The rotation of the fixed plate can synchronously drive the rotating sleeve to rotate. The positioning ring installed on the rotating sleeve cooperates with multiple positioning sleeves to make the rotating sleeve rotate stably. The multiple scraping blades fixed on the rotating sleeve can synchronously scrape the dust cover and separate the dust attached to the outer surface of the dust cover from the dust cover, thereby improving the cleaning convenience of the entire ceramic fiber catalytic filter tube to a certain extent, and then greatly improving the comfort of use of the entire ceramic fiber catalytic filter tube.

[0016] 6. The invention is acid-resistant, alkali-resistant, wear-resistant and high-temperature resistant; the technology has comprehensive dust removal; the high temperature resistance can reach 800 degrees; the service life can reach 8-10 years; the smoke dust emission can reach 2mg / m 3 Below, it can remove sulfur, denitrify and various acidic substances to reduce the harm of haze; when the filtration speed of ceramic fiber dust removal tube is 0.5 to 1.2m / min, its dust content is 2mg / m 3The silicon carbide films on the inner and outer walls of the ceramic fiber tube of the present invention have water-increasing properties, and the water-impermeable filter material has a low water absorption rate. The formula of the silicon carbide film can also be continuously improved according to the smoke composition to meet the requirements of the filter material's chemical corrosion resistance. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 Shown is a schematic diagram of the three-dimensional structure of the ceramic fiber catalytic filter tube of the present invention; Figure 2 Shown is a schematic diagram of the three-dimensional structure of the ceramic fiber catalytic filter tube fastening assembly of the present invention; Figure 3 Shown is a schematic diagram of the three-dimensional structure of the ceramic fiber catalytic filter tube bottom plate assembly of the present invention; Figure 4 Shown is a schematic diagram of the three-dimensional structure of the first adjustment component of the ceramic fiber catalytic filter tube of the present invention; Figure 5 Shown is a schematic diagram of the three-dimensional structure of the second adjustment component of the ceramic fiber catalytic filter tube of the present invention; Figure 6 Shown is a schematic diagram of the three-dimensional structure of the first tube body assembly of the ceramic fiber catalytic filter tube of the present invention; Figure 7 Shown is a schematic diagram of the three-dimensional structure of the first limiting component of the ceramic fiber catalytic filter tube of the present invention; Figure 8 Shown is a schematic diagram of the three-dimensional structure of the second limiting component of the ceramic fiber catalytic filter tube of the present invention; Fig. 9 Shown is a schematic diagram of the three-dimensional structure of the second tube body assembly of the ceramic fiber catalytic filter tube of the present invention; Fig.10 Shown is a schematic diagram of the three-dimensional structure of the third tube body assembly of the ceramic fiber catalytic filter tube of the present invention; Fig.11 Shown is a schematic diagram of the three-dimensional structure of the fourth tube body assembly of the ceramic fiber catalytic filter tube of the present invention; Fig.12 Shown is a schematic diagram of the internal three-dimensional structure of the outer sleeve of the ceramic fiber catalytic filter tube of the present invention; Fig.13 Shown is a schematic diagram of the three-dimensional structure inside the inner sleeve of the ceramic fiber catalytic filter tube of the present invention.

[0018] Description of the accompanying drawings: 1. Compression assembly; 2. Fastening assembly; 3. Adjustment assembly; 4. Limiting assembly; 5. Tube assembly; 6. Bottom plate assembly; 101. Mounting plate; 102. Connecting strip; 103. Mounting seat; 104. Fixing column; 105. Limiting ring; 106. Return spring; 107. Compression plate; 201. Fastening frame; 202. Positioning strip; 203. Positioning groove; 204. Fastening cover plate; 205. Fixing plate; 206. Connecting bolt; 207. Sealing gasket; 301. Flange plate; 302. Connecting hole; 303. Combination ring; 304. Combination plate; 305. Mounting groove; 306. Fixing plate; 401. Venturi tube; 402. Mounting plate; 4 03, connecting column; 404, rotating frame; 405, inner sleeve; 406, guide strip; 407, mounting ring; 408, connecting ring; 409, positioning sleeve; 410, fixing plate; 411, rotating sleeve; 412, scraper; 413, positioning ring; 501, outer sleeve; 502, fixing ring; 503, dust cover; 504, elastic tube; 505, inner support frame; 506, guide cavity; 507, reinforcement strip; 508, clamping block; 509, sealing ring; 510, abutment sheet; 511, connecting sleeve; 512, fixing strip; 513, mounting frame; 514, synchronization ring; 515, positioning plate; 601, fixed base plate; 602, combination sleeve; 603, rotating ring. DETAILED DESCRIPTION

[0019] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0020] Example 1 A ceramic fiber catalytic filter tube, according to Figure 1-13 As shown, it includes an adjustment component 3; a tube body component 5 is arranged on the inner side of the adjustment component 3; the adjustment component 3 includes a flange plate 301; the lower end of the flange plate 301 is connected with a combination piece 304 by bolts; one side of the combination piece 304 is welded with a combination ring 303 by argon arc welding; the tube body component 5 includes an outer sleeve 501; the outer side of the outer sleeve 501 is welded with a positioning plate 515 by argon arc welding; a plurality of elastic tubes 504 are fixedly connected to the outer sleeve 501; and the plurality of elastic tubes 504 are arranged in a circular shape with the vertical center line of the outer sleeve 501 as the axis; an inner support frame 505 is fixedly connected to the inner side of the elastic tube 504; a circular guide cavity 506 is opened on the inner side of the outer sleeve 501; a plurality of reinforcing strips 507 are fixedly connected to the inner wall of the outer sleeve 501; and the plurality of reinforcing strips 507 are arranged in a circular shape with the vertical center line of the outer sleeve 501 as the axis.

[0021] The front and rear ends of the combination ring 303 are welded with a fixing plate 306 by argon arc welding; two adjacent fixing plates 306 are connected by studs and nuts; a plurality of connecting holes 302 are opened on the flange plate 301; the connecting holes 302 pass through the flange plate 301; and a plurality of mounting grooves 305 are opened on the upper end surface of the combination ring 303.

[0022] The lower end of the outer sleeve 501 is fixedly connected to a fixing ring 502; the lower end of the fixing ring 502 is provided with a dust cover 503; the dust cover 503 and the fixing ring 502 are arranged in an integrated state; a plurality of through holes are provided on the dust cover 503; the upper end of the inner support frame 505 is provided with a sealing ring 509; the lower end of the sealing ring 509 is fixedly connected to a clamping block 508.

[0023] The clamping block 508 is arranged to fit with the inner support frame 505; a plurality of abutment plates 510 are fixed to the outer side of the sealing ring 509; a connecting sleeve 511 is welded to both sides of the sealing ring 509 by manual arc welding; a fixing strip 512 is installed on the inner side of the connecting sleeve 511 by bolts; a mounting frame 513 is arranged on the upper end of the fixing strip 512; the mounting frame 513 and the fixing strip 512 are arranged as a whole; a synchronization ring 514 is installed on the outer side of the mounting frame 513.

[0024] A fastening component 2 is arranged on the outside of the adjusting component 3; the fastening component 2 includes a fixed flower plate 205; the fixed flower plate 205 and the synchronous ring 514 are arranged to be welded and connected by manual arc welding; a fastening frame 201 is installed on the outside of the fixed flower plate 205; a plurality of positioning strips 202 are fixedly connected to the front and rear ends of the fastening frame 201; a plurality of positioning grooves 203 are opened on both sides of the fastening frame 201; the positioning grooves 203 and the positioning strips 202 are arranged to correspond to each other one by one and the positioning grooves 203 and the positioning strips 202 are arranged to fit together; a fastening cover plate 204 is arranged on the inner side of the fastening frame 201; a plurality of connecting bolts 206 are arranged on the fastening cover plate 204; the fastening cover plate 204 is connected to the fixed flower plate 205 by connecting bolts 206; a sealing gasket 207 is arranged between the fixed flower plate 205 and the flange plate 301.

[0025] A clamping assembly 1 is provided at the upper end of the fastening assembly 2; the clamping assembly 1 includes a mounting seat 103; the mounting seat 103 is connected to the fastening cover plate 204 by bolts; a connecting strip 102 is provided at the upper end of the mounting seat 103; a mounting plate 101 is installed at the upper end of the connecting strip 102; a limiting ring 105 is installed on the mounting plate 101; a fixing column 104 is slidably connected to the inner side of the limiting ring 105; a return spring 106 is provided on the outer side of the fixing column 104; a clamping sheet 107 is fixedly connected to the lower end of the return spring 106.

[0026] A limit assembly 4 is arranged on the inner side of the tube body assembly 5; the limit assembly 4 includes a mounting plate 402; a plurality of mounting plates 402 are arranged; the combination ring 303 and the mounting plate 402 are arranged to fit together through the mounting groove 305; a venturi tube 401 is welded to the mounting plate 402 by manual arc welding; a rotating frame 404 is rotatably connected to the inner side of the venturi tube 401; a connecting column 403 is installed on the inner side of the rotating frame 404; an inner sleeve 405 is arranged on the outer side of the venturi tube 401; a plurality of guide strips 406 are fixedly connected to the outer side of the inner sleeve 405; the plurality of guide strips 406 are arranged in a circle with the vertical center line of the inner sleeve 405 as the axis.

[0027] The upper end of the guide bar 406 is welded with a mounting ring 407 by argon arc welding; the mounting ring 407 and the combination ring 303 are arranged to fit together; the lower end of the guide bar 406 is welded with a connecting ring 408 by argon arc welding; a plurality of positioning sleeves 409 are fixedly connected to the lower end of the connecting ring 408; a positioning ring 413 is rotatably connected to the inner side of the positioning sleeve 409; a rotating sleeve 411 is fixedly connected to the positioning ring 413; a plurality of scraping blades 412 are welded to the outer side of the rotating sleeve 411 by argon arc welding; the rotating sleeve 411 is arranged in a quarter spherical cover shape; a fixing plate 410 is installed at the lower end of the connecting column 403; the fixing plate 410 and the rotating sleeve 411 are arranged to be welded and connected by manual arc welding.

[0028] A bottom plate assembly 6 is arranged on the outside of the tube body assembly 5; the bottom plate assembly 6 includes a rotating ring 603; the rotating ring 603 is connected to the fixed ring 502 by bolts; a plurality of combination sleeves 602 are rotatably connected to the outside of the rotating ring 603; the plurality of combination sleeves 602 are arranged in a circle with the vertical center line of the outer sleeve 501 as the axis; a fixed bottom plate 601 is installed on the outside of the combination sleeve 602; the fixed bottom plate 601 is arranged in a rectangular plate shape.

[0029] First, the purification pipe is connected through the multiple connection holes 302 opened on the flange plate 301. After the installation is completed, the flue gas can pass through the outer sleeve 501 and the inner sleeve 405 to enter the interior of the inner sleeve 405, and react with the catalyst in the catalytic layer on the outer sleeve 501 to remove the pickling gas. The flue gas undergoes the following chemical changes to form purified air and is discharged through the installed purification pipe.

[0030] During the use of the ceramic fiber catalytic filter tube, the catalyst can be pre-filled in the interior of the outer sleeve 501 by setting an elastic tube 504, and the deformation resistance of the elastic tube 504 can be improved by the inner support frame 505 inside the elastic tube 504. At the same time, when the smoke passes through the outer sleeve 501 and enters the interior of the guide cavity 506, the smoke purification can be promoted by the catalyst set in the elastic tube 504. At the same time, the impact resistance of the entire outer sleeve 501 is improved by a plurality of reinforcing strips 507 fixed to the inner wall of the elastic tube 504. At the same time, the outer sleeve 501 and the inner sleeve 405 are installed in an inside-outside manner, so that the user can remove the inner sleeve 405 from the outer sleeve 501 to achieve rapid cleaning of the inner sleeve 405, and then clean the outer sleeve 501 through a pulse structure, so as to achieve rapid cleaning of the ceramic fiber catalytic filter tube.

[0031] At the same time, by removing the bolts on the flange plate 301, the flange plate 301 and the assembly plate 304 can be separated, and by placing the appropriately installed flange plate 301 against the assembly ring 303 and reinstalling the bolts, the connection flange specifications of the ceramic fiber catalytic filter tube can be quickly switched. At the same time, by removing the studs and nuts on the two assembly rings 303, the two assembly rings 303 can be separated, so that the assembly ring 303 is separated from the mounting ring 407, so that the user can quickly separate the venturi tube 401 from the inner sleeve 405. At the same time, through the mounting frame 513 fixed to the synchronization ring 514, the user can drive the entire sealing ring 509 to move upward by pulling the synchronization ring 514, and the clamping block 508 on the sealing ring 509 can be separated from the outer sleeve 501, so that the user can quickly fill the catalyst into the interior of the elastic tube 504, so that the user can quickly fill the catalyst according to the use time of the ceramic fiber catalytic filter tube.

[0032] Finally, the rotating frame 404 installed on the connecting column 403 can be rotated so that the rotating rotating frame 404 drives the connecting column 403 to rotate, and the rotating connecting column 403 drives the fixed plate 410 installed at the bottom end of the connecting column 403 to rotate. The rotation of the fixed plate 410 can synchronously drive the rotating sleeve 411 to rotate, and the positioning ring 413 installed on the rotating sleeve 411 cooperates with multiple positioning sleeves 409 to make the rotating sleeve 411 stable and horizontal. The multiple scraping blades 412 fixed on the rotating sleeve 411 can synchronously scrape the dust cover 503, and the dust attached to the outer surface of the dust cover 503 can be separated from the dust cover 503, thereby improving the cleaning convenience of the entire ceramic fiber catalytic filter tube to a certain extent, and then greatly improving the comfort of use of the entire ceramic fiber catalytic filter tube.

[0033] Through the above steps, a special built-in catalyst filling structure and an inner and outer layer structure are set to increase the service life of the ceramic fiber catalytic filter tube and improve the convenience of disassembling the ceramic fiber catalytic filter tube, thereby solving to a certain extent the problem that after long-term use, the existing ceramic fiber catalytic filter tube will become ineffective due to the catalyst attached to its surface, thereby requiring the user to disassemble the ceramic fiber catalytic filter tube, which can easily affect the purification efficiency of the entire purification process.

[0034] The inner diameter of the inner sleeve 405 is 100 mm, the wall thickness is 20 mm, and the outer diameter is 160 mm; the raw material formula of the inner sleeve includes the following raw materials in percentage by mass: 55% ceramic fiber, 25% aluminum silicate fiber, 10% kaolin, 5% acrylonitrile-butadiene-styrene copolymer, and 5% nano-SCR catalyst; the preparation method includes: the first step: according to the raw material formula, the above raw materials are configured in proportion and mixed evenly, and then water is added according to 100% of the total amount of raw materials; the second step: filling the mold, extruding and compacting it, and then demolding it; the third step: heating and drying, heating at 100°C for 100 hours; the outer sleeve 501 is coated with a denitration catalyst, and it is a V2O5-WO3(MoO3) / TiO2 series.

[0035] The embodiments of the present invention are described in detail above with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of those skilled in the art without departing from the spirit of the present invention.

Claims

1. A ceramic fiber catalytic filter tube, comprising an adjustment component (3); characterized in that: A tube body assembly (5) is arranged on the inner side of the adjustment assembly (3); the adjustment assembly (3) comprises a flange plate (301); the lower end of the flange plate (301) is connected to a combination plate (304) by bolts; a combination ring (303) is welded to one side of the combination plate (304) by argon arc welding; the tube body assembly (5) comprises an outer sleeve (501); a positioning plate (515) is welded to the outer side of the outer sleeve (501) by argon arc welding; a fixing plate (515) is fixed to the outer sleeve (501) There are a plurality of elastic tubes (504); the plurality of elastic tubes (504) are arranged in a circular shape with the vertical center line of the outer sleeve (501) as the axis; an inner support frame (505) is fixedly connected to the inner side of the elastic tube (504); a circular guide cavity (506) is opened on the inner side of the outer sleeve (501); a plurality of reinforcing strips (507) are fixedly connected to the inner wall of the outer sleeve (501); the plurality of reinforcing strips (507) are arranged in a circular shape with the vertical center line of the outer sleeve (501) as the axis.

2. A ceramic fiber catalytic filter tube according to claim 1, characterized in that: The front and rear ends of the combined ring (303) are both welded with a fixing plate (306) by argon arc welding; two adjacent fixing plates (306) are connected by studs and nuts; a plurality of connection holes (302) are provided on the flange plate (301); the connection holes (302) penetrate the flange plate (301); and a plurality of mounting grooves (305) are provided on the upper end surface of the combined ring (303).

3. The ceramic fiber catalytic filter tube according to claim 1, characterized in that: The lower end of the outer sleeve (501) is fixedly connected to a fixing ring (502); the lower end of the fixing ring (502) is provided with a dust cover (503); the dust cover (503) and the fixing ring (502) are arranged in an integrated form; a plurality of through holes are provided on the dust cover (503); the upper end of the inner support frame (505) is provided with a sealing ring (509); and the lower end of the sealing ring (509) is fixedly connected to a clamping block (508).

4. A ceramic fiber catalytic filter tube according to claim 3, characterized in that: The clamping block (508) and the inner support frame (505) are arranged to fit together; a plurality of abutment sheets (510) are fixedly connected to the outer side of the sealing ring (509); a connecting sleeve (511) is welded to both sides of the sealing ring (509) by manual arc welding; a fixing strip (512) is installed on the inner side of the connecting sleeve (511) by bolts; a mounting frame (513) is arranged at the upper end of the fixing strip (512); the mounting frame (513) and the fixing strip (512) are arranged in an integrated shape; and a synchronization ring (514) is installed on the outer side of the mounting frame (513).

5. A ceramic fiber catalytic filter tube according to claim 4, characterized in that: A fastening assembly (2) is arranged on the outside of the adjustment assembly (3); the fastening assembly (2) includes a fixed flower plate (205); the fixed flower plate (205) and the synchronization ring (514) are welded together by manual arc welding; a fastening frame (201) is installed on the outside of the fixed flower plate (205); a plurality of positioning strips (202) are fixedly connected to the front and rear ends of the fastening frame (201); a plurality of positioning grooves (203) are provided on both sides of the fastening frame (201); the positioning strips (202) are fixedly connected to the front and rear ends of the fastening frame (201); a plurality of positioning grooves (203) are provided on both sides of the fastening frame (201); the positioning strips (202) are fixedly connected to the front and rear ends of the fastening frame (201); the positioning strips (202) are fixedly connected to the front and rear ends of the fastening frame (201); the positioning strips (203 ... The groove (203) and the positioning strip (202) are arranged in one-to-one correspondence and the positioning groove (203) and the positioning strip (202) are arranged to fit each other; a fastening cover plate (204) is arranged on the inner side of the fastening frame (201); a plurality of connecting bolts (206) are arranged on the fastening cover plate (204); the fastening cover plate (204) and the fixed flower plate (205) are connected via the connecting bolts (206); and a sealing gasket (207) is arranged between the fixed flower plate (205) and the flange plate (301).

6. A ceramic fiber catalytic filter tube according to claim 5, characterized in that: A clamping assembly (1) is arranged at the upper end of the fastening assembly (2); the clamping assembly (1) comprises a mounting seat (103); the mounting seat (103) is connected to the fastening cover plate (204) by bolts; a connecting strip (102) is arranged at the upper end of the mounting seat (103); a mounting plate (101) is installed at the upper end of the connecting strip (102); a limiting ring (105) is installed on the mounting plate (101); a fixing column (104) is slidably connected to the inner side of the limiting ring (105); a return spring (106) is arranged on the outer side of the fixing column (104); and a clamping plate (107) is fixedly connected to the lower end of the return spring (106).

7. The ceramic fiber catalytic filter tube according to claim 2, characterized in that: A limit assembly (4) is arranged on the inner side of the tube body assembly (5); the limit assembly (4) comprises a mounting plate (402); a plurality of mounting plates (402) are arranged; the combination ring (303) and the mounting plate (402) are arranged to fit together via a mounting groove (305); a venturi tube (401) is welded to the mounting plate (402) via manual arc welding; a rotating frame (404) is rotatably connected to the inner side of the venturi tube (401); a connecting column (403) is installed on the inner side of the rotating frame (404); an inner sleeve (405) is arranged on the outer side of the venturi tube (401); a plurality of guide strips (406) are fixedly connected to the outer side of the inner sleeve (405); the plurality of guide strips (406) are arranged in a circular shape with the vertical center line of the inner sleeve (405) as the axis.

8. The ceramic fiber catalytic filter tube according to claim 7, characterized in that: The upper end of the guide bar (406) is welded with a mounting ring (407) by argon arc welding; the mounting ring (407) and the assembly ring (303) are arranged to fit together; the lower end of the guide bar (406) is welded with a connecting ring (408) by argon arc welding; a plurality of positioning sleeves (409) are fixedly connected to the lower end of the connecting ring (408); a positioning ring (413) is rotatably connected to the inner side of the positioning sleeve (409); a rotating sleeve (411) is fixedly connected to the positioning ring (413); a plurality of scraping blades (412) are welded to the outer side of the rotating sleeve (411) by argon arc welding; the rotating sleeve (411) is arranged in a quarter spherical cover shape; a fixing plate (410) is installed at the lower end of the connecting column (403); the fixing plate (410) and the rotating sleeve (411) are arranged to be welded and connected by manual arc welding.

9. The ceramic fiber catalytic filter tube according to claim 7, characterized in that: The inner diameter of the inner sleeve (405) is 80-160 mm, the wall thickness is 10-30 mm, and the outer diameter is 140-180 mm; the raw material formula of the inner sleeve (405) includes the following raw materials in percentage by mass: 35-60% ceramic fiber, 38-42% aluminum silicate fiber, 5-10% kaolin, 2-5% acrylonitrile-butadiene-styrene copolymer, and 2-5% nano-scale SCR catalyst; the preparation method comprises: the first step: according to the raw material formula, the above raw materials are configured in proportion and mixed evenly, and then water is added according to 100-120% of the total amount of the raw materials; the second step: filling the mold, extruding and compacting, and then demoulding; the third step: heating and drying, heating at 100-150° C. for 80-100 hours; the outer sleeve (501) is coated with a denitration catalyst, and the catalyst is a V2O5-WO3(MoO3) / TiO2 series.

10. The ceramic fiber catalytic filter tube according to claim 3, characterized in that: A bottom plate assembly (6) is arranged on the outside of the tube body assembly (5); the bottom plate assembly (6) comprises a rotating ring (603); the rotating ring (603) is connected to the fixed ring (502) by bolts; a plurality of combination sleeves (602) are rotatably connected to the outside of the rotating ring (603); the plurality of combination sleeves (602) are arranged in a circular shape with the vertical center line of the outer sleeve (501) as the axis; a fixed bottom plate (601) is installed on the outside of the combination sleeve (602); the fixed bottom plate (601) is arranged in a rectangular plate shape.

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