CN115382688B - Denitration catalyst slurry coated on ceramic filter tube and coating equipment thereof - Google Patents
Denitration catalyst slurry coated on ceramic filter tube and coating equipment thereof Download PDFInfo
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- CN115382688B CN115382688B CN202211057012.9A CN202211057012A CN115382688B CN 115382688 B CN115382688 B CN 115382688B CN 202211057012 A CN202211057012 A CN 202211057012A CN 115382688 B CN115382688 B CN 115382688B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
- B05B13/02—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work
- B05B13/0221—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work characterised by the means for moving or conveying the objects or other work, e.g. conveyor belts
- B05B13/0228—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work characterised by the means for moving or conveying the objects or other work, e.g. conveyor belts the movement of the objects being rotative
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/002—Mixed oxides other than spinels, e.g. perovskite
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/10—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of rare earths
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/16—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J23/20—Vanadium, niobium or tantalum
- B01J23/22—Vanadium
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/16—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J23/24—Chromium, molybdenum or tungsten
- B01J23/28—Molybdenum
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/16—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J23/24—Chromium, molybdenum or tungsten
- B01J23/30—Tungsten
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/16—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J23/32—Manganese, technetium or rhenium
- B01J23/34—Manganese
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
- B05B13/02—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work
- B05B13/0221—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work characterised by the means for moving or conveying the objects or other work, e.g. conveyor belts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
- B05B13/02—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work
- B05B13/0278—Arrangement or mounting of spray heads
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
- B05B13/06—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00 specially designed for treating the inside of hollow bodies
- B05B13/0627—Arrangements of nozzles or spray heads specially adapted for treating the inside of hollow bodies
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B16/00—Spray booths
- B05B16/20—Arrangements for spraying in combination with other operations, e.g. drying; Arrangements enabling a combination of spraying operations
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/04—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to gases
- B05D3/0406—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to gases the gas being air
- B05D3/0413—Heating with air
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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Abstract
The invention relates to denitration catalyst slurry coated on a ceramic filter tube and coating equipment thereof, wherein the coating equipment for coating the denitration catalyst slurry on the ceramic filter tube comprises a first workbench, a second workbench is arranged on one side of the first workbench, a coating box is fixed on the top of the first workbench, a through groove is formed on one side, close to the second workbench, of the coating box, clamping mechanisms are symmetrically arranged in the coating box, and the top of the second workbench is provided with a coating mechanism; the fixture comprises the movable plates, one sides of the two movable plates, which are close to each other, are respectively connected with the clamping seat through the rotating shaft in a rotating way, so that the problems that the existing coating device needs to manually clamp the inner surface and the outer surface of the filter tube twice in the coating process, the coating efficiency is low, the clamping positions of the filter tube and the clamping plates in the coating process are difficult to uniformly coat the surface of the filter tube due to contact, the coating quality is poor and the like are solved.
Description
Technical Field
The invention relates to the technical field of air pollution control, in particular to denitration catalyst slurry coated on a ceramic filter tube and coating equipment thereof.
Background
NOx, an important precursor for ozone generation, has a significant impact on climate change, human health and atmospheric visibility, while industrial emissions of tens of millions of tons remain at this stage. Therefore, how to efficiently and cooperatively control nitrogen oxides has become a research hot spot in the environmental field.
At present, the ceramic filter tube has become the preferred carrier for the collaborative purification of multiple pollutants such as nitrate-dust and the like due to the advantages of good dust retention rate, thermal stability, chemical stability, cleaning resistance, long service life, small occupied area, easy installation, convenient maintenance and the like. In the production process of the ceramic filter tube, the denitration catalyst slurry needs to be coated on the inner surface and the outer surface of the filter tube, the existing coating device needs to manually clamp the inner surface and the outer surface of the filter tube twice in the coating process, and the filter tube is coated through a coating mechanism, so that the coating efficiency is low, the clamping positions of the filter tube and the clamping plate in the coating process are difficult to uniformly coat the surface of the filter tube due to contact, and the coating quality is poor.
In order to solve the above-mentioned defect, a technical scheme is provided.
Disclosure of Invention
The invention aims to provide denitration catalyst slurry coated on a ceramic filter tube and coating equipment thereof.
The technical problems to be solved by the invention are as follows:
the existing coating device needs to manually clamp the inner surface and the outer surface of the filter tube twice in the coating process, and the filter tube is coated through the coating mechanism, so that the coating efficiency is low, the clamping position of the filter tube and the clamping plate in the coating process is difficult to uniformly coat the surface of the filter tube due to contact, and the coating quality is poor.
The aim of the invention can be achieved by the following technical scheme:
the coating equipment for coating the ceramic filter tube with the denitration catalyst slurry comprises a first workbench, wherein a second workbench is arranged on one side of the first workbench, a coating box is fixed on the top of the first workbench, a through groove is formed in one side, close to the second workbench, of the coating box, clamping mechanisms are symmetrically arranged in the coating box, and a coating mechanism is arranged on the top of the second workbench;
the clamping mechanism comprises moving plates, one sides of the two moving plates, which are close to each other, are respectively connected with a clamping seat through rotation shafts in a rotating mode, one side of each clamping seat is provided with an opening, the inside of each clamping seat is connected with a sliding plate in a sliding mode, a plurality of sliding rods are fixed inside each clamping seat, the middle parts of the sliding rods are arranged in a crossed mode, two ends of the outer surfaces of the sliding rods are connected with driving seats in a sliding mode, one ends of the driving seats, which are close to the filter tubes, are fixed with the clamping plates, first connecting rods are hinged to the driving seats and the sliding plates, the first connecting rods are symmetrically arranged on the two driving seats on the same sliding rod, clamping cylinders are symmetrically fixed inside the clamping cylinders, and the output ends of the clamping cylinders are fixed with the sliding plates.
Further, the inside top of coating case is provided with a plurality of evenly distributed's first coating shower nozzle, and the bottom symmetry of first workstation is fixed with the support cylinder, and the output of support cylinder passes the coating case and is fixed with and supports the annular plate.
Further, the top of the two sides of the coating box is symmetrically fixed with a leveling cylinder, the output end of the leveling cylinder penetrates through the coating box and is fixed with a supporting frame, and the inner surface of the supporting frame is rotationally connected with a leveling roller.
Further, the inside both sides of coating case all are fixed with the stoving case, and the inside of stoving case is provided with the electrothermal rod, and the stoving groove has been seted up to one side that the stoving case is close to the filter tube, and the outside both sides of coating case all are fixed with the fan, and the output and the stoving case of fan are linked together.
Further, one of them be provided with the rotation motor in the movable plate, the output and the axis of rotation motor are fixed mutually, and the one end symmetry that the second workstation was kept away from to the coating case is fixed with first removal cylinder, and top one side of coating case is fixed with the second and removes the cylinder, and the output of first removal cylinder passes the coating case and is fixed mutually with one of them movable plate, and the output of second removal cylinder passes the coating case and is fixed mutually with another movable plate.
Further, the coating mechanism comprises fixed plates symmetrically fixed at the top of the second workbench, a movable rod is fixed between the two fixed plates, a movable motor is fixed on one of the fixed plates, the output end of the movable motor penetrates through the fixed plates and is fixed with a movable screw rod, a connecting seat is sleeved on the outer surface thread of the movable screw rod, the connecting seat is in sliding connection with the movable rod, a coating motor is fixed at the top of the connecting seat, a rotating rod is fixed at the output end of the coating motor, a scraping component is fixed on the outer surface of the rotating rod, and a second coating spray head is fixed at the end part of the rotating rod.
Further, scrape the subassembly including fixing the seat of strikeing of dwang surface, strikeing the surface symmetry of seat and offered the expansion tank, sliding connection has the scraper blade in the expansion tank, and the equal symmetry in both sides of strikeing the seat is fixed with strikeing the cylinder, and strikeing the output of cylinder and passing strikeing the seat and be fixed with the slide, hinged joint has the second connecting rod between slide and the scraper blade.
The raw materials of the denitration catalyst slurry coated on the ceramic filter tube comprise mixed components and deionized water; the mixed component comprises an active component, an auxiliary agent and a nano carrier, wherein the volume mass ratio of deionized water to the mixed component is (40-80) mL: (1-20) g; the mass ratio of the active components, the auxiliary agent and the nano carrier in the mixed components is 1-3:0-10:0-30.
Further, the active component is selected from one or more of ammonium metavanadate, ammonium molybdate, ammonium tungstate, cerium nitrate, lanthanum oxide and manganese acetate; the auxiliary agent is ammonia water; the nano-carrier is a mixture of nano-grade anatase titanium dioxide and gamma-alumina, and the solid content of the nano-carrier is 10-20%; the pH value of the catalyst slurry is 1-10.
The invention has the beneficial effects that:
according to the invention, the clamping mechanism is arranged, so that the clamping air cylinder pushes the sliding plate to move, the driving seat is driven to move on the sliding rod by matching with the first connecting rods, the driving seats move in the direction away from the central axis of the clamping seat, the clamping plates are driven to be unfolded to clamp the inside of the filter tube, when the sliding plate moves reversely, the clamping plates can be contracted to clamp the outer wall of the filter tube, the obstruction of the clamping plates when the outer wall of the filter tube is coated is avoided, the driving motor can drive the clamping seat to rotate so as to drive the filter tube to rotate, the surface of the filter tube is comprehensively coated, and after the outer wall of the filter tube is coated, the clamping of the clamping mechanism close to one side of the second working table is firstly released, the first moving air cylinder drives the filter tube to move horizontally, the supporting air cylinder drives one of the clamping mechanisms to support the annular plate to be ejected out to support the filter tube, the clamping mechanism far away from one side of the second working table clamps the outer wall of the filter tube, the stability of the coating is ensured, the clamping plates can be selectively clamped on the inner wall or the outer wall of the filter tube is prevented from being coated, the problem of uneven coating caused by the clamping plate is solved, and the coating effect is practical.
Through setting up the coating case, carry out the centre gripping to the filter tube under fixture's effect, simultaneously, first coating shower nozzle sprays the filter tube outside surface, level and smooth cylinder can promote the smooth roller on the support frame and remove to the filter tube surface to level and smooth the thick liquid of spraying, make the coating of thick liquid more even, improve the coating quality, after the coating is accomplished, the fan blows the filter tube through the stoving groove with the stoving incasement hot air, accelerates the inside hot air circulation of coating case, dries filter tube surface thick liquid, improves coating efficiency.
Through setting up coating mechanism for mobile motor drives the mobile lead screw and rotates, thereby the cooperation connecting seat removes on the carriage release lever and drives the coating motor and remove, make the carriage release lever remove inside the filter tube through logical groove, simultaneously, the second coating shower nozzle can spray the filter tube inner wall, strickle cylinder promotes the slide and removes, thereby the cooperation second connecting rod drives the scraper blade and stretches out and contact the filter tube inner wall in flexible inslot, strickle the filter tube inner wall under the effect of coating motor, guarantee thick liquid even coating at the filter tube inner wall, the result of use of reinforcing thick liquid.
Drawings
The invention is described in further detail below with reference to the drawings and the specific embodiments.
FIG. 1 is a schematic view of a coating apparatus for coating a ceramic filter tube with a denitration catalyst slurry according to the present invention;
FIG. 2 is a schematic view showing the internal structure of the coating tank of the present invention;
FIG. 3 is a side view of a portion of the construction of the coating tank of the present invention;
FIG. 4 is a schematic view of the internal structure of the clamping seat of the present invention;
FIG. 5 is a side view of a portion of the structure of the clamping seat of the present invention;
FIG. 6 is a schematic structural view of the coating structure of the present invention;
fig. 7 is a schematic view of the structure of the screeding assembly of the present invention.
In the figure: 1. a first work table; 2. a second work table; 3. a coating box; 4. a clamping mechanism; 5. a coating mechanism; 301. a first coating head; 302. a support cylinder; 303. supporting an annular plate; 304. leveling the cylinder; 305. a support frame; 306. a leveling roller; 307. a drying box; 308. a blower; 401. a moving plate; 402. a clamping seat; 403. a sliding plate; 404. a slide bar; 405. a driving seat; 406. a clamping plate; 407. a first connecting rod; 408. a clamping cylinder; 409. a protrusion; 410. a first moving cylinder; 411. a second moving cylinder; 501. a moving rod; 502. a moving motor; 503. moving the screw rod; 504. a connecting seat; 505. coating a motor; 506. a rotating lever; 507. a screeding assembly; 508. a second coating head; 5071. scraping the base; 5072. a scraper; 5073. a strickling cylinder; 5074. and a second connecting rod.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1 to 7, the present invention provides a technical solution:
example 1
The raw materials of the denitration catalyst slurry coated on the ceramic filter tube comprise mixed components and deionized water; the mixed component comprises an active component, an auxiliary agent and a nano carrier, wherein the volume mass ratio of deionized water to the mixed component is 40mL:1g; the mass ratio of the active component to the nano-carrier in the mixed component is 1:30.
the active component is one or more selected from ammonium metavanadate, ammonium molybdate, ammonium tungstate, cerium nitrate, lanthanum oxide and manganese acetate; the auxiliary agent is ammonia water; the nano carrier is a mixture of nano anatase titanium dioxide and gamma-alumina, and the solid content of the nano carrier is 10%; the pH of the catalyst slurry was 1.
Example 2
The raw materials of the denitration catalyst slurry coated on the ceramic filter tube comprise mixed components and deionized water; the mixed component comprises an active component, an auxiliary agent and a nano carrier, wherein the volume mass ratio of deionized water to the mixed component is 60mL:10g; the mass ratio of the active components, the auxiliary agent and the nano carrier in the mixed components is 2:5:15.
the active component is one or more selected from ammonium metavanadate, ammonium molybdate, ammonium tungstate, cerium nitrate, lanthanum oxide and manganese acetate; the auxiliary agent is ammonia water; the nano carrier is a mixture of nano anatase titanium dioxide and gamma-alumina, and the solid content of the nano carrier is 15%; the pH of the catalyst slurry was 6.
Example 3
The raw materials of the denitration catalyst slurry coated on the ceramic filter tube comprise mixed components and deionized water; the mixed component comprises an active component, an auxiliary agent and a nano carrier, wherein the volume mass ratio of deionized water to the mixed component is 80mL:20g; the mass ratio of the active components to the auxiliary agent in the mixed components is 3:10.
the active component is one or more selected from ammonium metavanadate, ammonium molybdate, ammonium tungstate, cerium nitrate, lanthanum oxide and manganese acetate; the auxiliary agent is ammonia water; the nano carrier is a mixture of nano anatase titanium dioxide and gamma-alumina, and the solid content of the nano carrier is 20%; the pH of the catalyst slurry was 10.
The utility model provides a coating equipment with denitration catalyst thick liquid coating in ceramic filter tube, including first workstation 1, one side of first workstation 1 is equipped with second workstation 2, the top of first workstation 1 is fixed with coating case 3, one side that coating case 3 is close to second workstation 2 is equipped with logical groove, coating case 3 is used for carrying out outer wall coating to the filter tube, the inside symmetry of coating case 3 is equipped with fixture 4, fixture 4 is used for carrying out the centre gripping to the both ends of filter tube, the stability of filter tube coating of being convenient for, the top of second workstation 2 is equipped with coating mechanism 5, coating mechanism 5 is used for carrying out the coating to the filter tube inner wall.
The inside top of coating case 3 is provided with a plurality of evenly distributed's first coating shower nozzle 301, and the bottom symmetry of first workstation 1 is fixed with supporting cylinder 302, and the output of supporting cylinder 302 passes coating case 3 and is fixed with and supports annular plate 303, supports annular plate 303 and can play the supporting role to the filter tube.
The top of both sides of coating case 3 is all symmetry be fixed with leveling cylinder 304, and leveling cylinder 304's output passes coating case 3 and is fixed with support frame 305, and the internal surface rotation of support frame 305 is connected with leveling roller 306.
The inside both sides of coating case 3 all are fixed with stoving case 307, and the inside of stoving case 307 is provided with the electrothermal rod, and the stoving groove has been seted up to the one side that stoving case 307 is close to the filter tube, and the outside both sides of coating case 3 all are fixed with fan 308, and the output of fan 308 is linked together with stoving case 307. Through setting up coating case 3, carry out the centre gripping to the filter tube under fixture 4's effect, simultaneously, first coating shower nozzle 301 sprays the filter tube outside surface, leveling cylinder 304 can promote leveling roller 306 on the support frame 305 and remove to the filter tube surface, thereby level the thick liquid of spraying, make the coating of thick liquid more even, improve the coating quality, after the coating is accomplished, fan 308 blows the filter tube through the stoving groove with stoving case 307 hot air, accelerate the inside hot air circulation of coating case 3, dry the filter tube surface thick liquid, improve coating efficiency.
The fixture 4 comprises moving plates 401, one sides of the two moving plates 401, which are close to each other, are respectively connected with a clamping seat 402 through rotating shafts in a rotating mode, one side of each clamping seat 402 is provided with an opening, the inside of each clamping seat 402 is connected with a sliding plate 403 in a sliding mode, a plurality of sliding rods 404 are fixed inside each clamping seat, the middle parts of the sliding rods 404 are arranged in a crossed mode, two ends of the outer surface of each sliding rod 404 are connected with driving seats 405 in a sliding mode, one ends of the driving seats 405, which are close to the filter tubes, are fixedly provided with clamping plates 406, a first connecting rod 407 is hinged between each driving seat 405 and each sliding plate 403, the first connecting rods 407 on the two driving seats 405 on the same sliding rod 404 are symmetrically arranged, clamping cylinders 408 are symmetrically fixed inside the clamping seats 402, and output ends of the clamping cylinders 408 are fixed with the sliding plates 403.
The outer side surface of the clamping plate 406 is provided with a plurality of protrusions 409, and the plurality of protrusions 409 can facilitate the clamping plate 406 to clamp the surface of the filter tube.
One of the moving plates 401 is internally provided with a rotating motor, the output end of the rotating motor is fixed with a rotating shaft, one end, far away from the second workbench 2, of the coating box 3 is symmetrically fixed with a first moving cylinder 410, one side of the top of the coating box 3 is fixed with a second moving cylinder 411, the output end of the first moving cylinder 410 penetrates through the coating box 3 and is fixed with one of the moving plates 401, and the output end of the second moving cylinder 411 penetrates through the coating box 3 and is fixed with the other moving plate 401. Through setting up fixture 4 for centre gripping cylinder 408 promotes slide plate 403 and removes, thereby cooperate a plurality of head rods 407 to drive seat 405 and remove on slide bar 404, make a plurality of drive seats 405 to the direction removal of keeping away from grip holder 402 axis, and then drive a plurality of grip blocks 406 and expand and carry out the centre gripping to the filter tube inside, when slide plate 403 reverse movement, a plurality of grip blocks 406 collapsible centre gripping to the filter tube outer wall, the hindrance of grip blocks 406 when having avoided coating the filter tube outer wall, driving motor can drive grip blocks 402 rotation and then drive the filter tube and rotate, carry out comprehensive coating to the filter tube surface, and, after the coating of filter tube outer wall is accomplished, remove the centre gripping of the filter tube 4 to the centre gripping that is close to second workstation 2 one side earlier, first removal cylinder 410 drives filter tube horizontal migration, second removal cylinder 411 drive one of them fixture 4 and upwards move, support cylinder 302 drive and support annular plate 303 and push away from the work of fixture 4 on one side of second workstation 2, carry out the centre gripping to the filter tube outer wall, guarantee the stability of coating, make the selective to the filter tube inner wall or carry out the filter tube inner wall, the problem of the coating is avoided, the practicality is high, the problem of coating is avoided, the filter tube inner wall is coated or is coated to the inner wall is high, the practicality is coated because the setting up fixture 4.
The coating mechanism 5 comprises fixed plates symmetrically fixed at the top of the second workbench 2, a movable rod 501 is fixed between the two fixed plates, a movable motor 502 is fixed on one of the fixed plates, the output end of the movable motor 502 passes through the fixed plates and is fixed with a movable screw rod 503, a connecting seat 504 is sleeved on the outer surface thread of the movable screw rod 503, the connecting seat 504 is in sliding connection with the movable rod 501, a coating motor 505 is fixed at the top of the connecting seat 504, a rotating rod 506 is fixed at the output end of the coating motor 505, a scraping assembly 507 is fixed on the outer surface of the rotating rod 506, and a second coating spray head 508 is fixed at the end of the rotating rod 506.
The scraping assembly 507 comprises a scraping seat 5071 fixed on the outer surface of the rotating rod 506, telescopic grooves are symmetrically formed in the outer surface of the scraping seat 5071, scraping plates 5072 are slidably connected in the telescopic grooves, scraping cylinders 5073 are symmetrically fixed on two sides of the scraping seat 5071, output ends of the scraping cylinders 5073 penetrate through the scraping seat 5071 and are fixedly provided with sliding plates, and second connecting rods 5074 are hinged between the sliding plates and the scraping plates 5072. Through setting up coating mechanism 5 for moving motor 502 drives and moves lead screw 503 and rotate, thereby cooperation connecting seat 504 moves on movable rod 501 and drives coating motor 505 and remove, make movable rod 506 remove to inside the filter tube through logical groove, simultaneously, second coating shower nozzle 508 can spray the filter tube inner wall, strickle cylinder 5073 promotes the slide and removes, thereby cooperation second connecting rod 5074 drives scraper blade 5072 and stretches out and contact the filter tube inner wall in the expansion tank, strickle the filter tube inner wall under the effect of coating motor 505, guarantee that thick liquid evenly coats at the filter tube inner wall, the result of use of reinforcing thick liquid.
Working principle:
when the invention is used, the sliding plate 403 is pushed to move through the clamping cylinder 408, so that the driving seat 405 is driven to move on the sliding rod 404 by matching with the plurality of first connecting rods 407, so that the plurality of driving seats 405 move in the direction away from the central axis of the clamping seat 402, the plurality of clamping plates 406 are further driven to be unfolded to clamp the inside of the filter tube, the outer side surface of the filter tube is sprayed through the first coating spray nozzle 301, the driving motor can drive the clamping seat 402 to rotate so as to drive the filter tube to rotate, the surface of the filter tube is comprehensively coated, the leveling cylinder 304 can push the leveling roller 306 on the supporting frame 305 to move to the surface of the filter tube, the sprayed slurry is leveled, after the coating is finished, the fan 308 blows hot air in the drying box 307 to the filter tube through the drying groove, so that the hot air circulation in the coating box 3 is accelerated, and the slurry on the surface of the filter tube is dried;
when the coating of the outer wall of the filter tube is finished, firstly, the clamping mechanism 4 close to one side of the second workbench 2 is used for clamping the filter tube, the first moving cylinder 410 is used for driving the filter tube to horizontally move, the second moving cylinder 411 is started for driving one clamping mechanism 4 to move upwards, the supporting cylinder 302 is used for driving the supporting annular plate 303 to push out to support the filter tube, the clamping mechanism 4 far away from one side of the second workbench 2 works, the clamping cylinder 408 is used for controlling the sliding plate 403 to reversely move, and the plurality of clamping plates 406 can shrink to clamp the outer wall of the filter tube;
the movable screw rod 503 is driven to rotate through the movable motor 502, the matched connecting seat 504 moves on the movable rod 501 to drive the coating motor 505 to move, the rotary rod 506 moves to the inside of the filter tube through the through groove, the second coating spray head 508 can spray the inner wall of the filter tube, the scraping cylinder 5073 pushes the sliding plate to move, the matched second connecting rod 5074 drives the scraping plate 5072 to extend out of the telescopic groove and contact the inner wall of the filter tube, and the inner wall of the filter tube is scraped flatly under the action of the coating motor 505.
The foregoing describes one embodiment of the present invention in detail, but the description is only a preferred embodiment of the present invention and should not be construed as limiting the scope of the invention. All equivalent changes and modifications within the scope of the present invention are intended to be covered by the present invention.
Claims (6)
1. The coating equipment for coating the ceramic filter tube with the denitration catalyst slurry comprises a first workbench (1), wherein a second workbench (2) is arranged on one side of the first workbench (1), and is characterized in that a coating box (3) is fixed on the top of the first workbench (1), a through groove is formed in one side, close to the second workbench (2), of the coating box (3), clamping mechanisms (4) are symmetrically arranged in the coating box (3), and a coating mechanism (5) is arranged on the top of the second workbench (2);
the clamping mechanism (4) comprises moving plates (401), one sides of the two moving plates (401) close to each other are respectively connected with a clamping seat (402) through rotating shafts in a rotating mode, one side of each clamping seat (402) is provided with an opening, the inside of each clamping seat (402) is connected with a sliding plate (403) in a sliding mode, a plurality of sliding rods (404) are fixed inside each clamping seat (402), the middle parts of the sliding rods (404) are arranged in a crossed mode, two ends of the outer surfaces of the sliding rods (404) are connected with driving seats (405) in a sliding mode, one end of each driving seat (405) is fixedly provided with a clamping plate (406), a first connecting rod (407) is hinged between each driving seat (405) and each sliding plate (403), the first connecting rods (407) on the two driving seats (405) located on the same sliding rod (404) are symmetrically arranged, clamping cylinders (408) are symmetrically fixed inside each clamping seat (402), and the output ends of each clamping cylinder (408) are fixed with the sliding plates (403).
One of them be provided with the rotation motor in movable plate (401), the output and the axis of rotation motor are fixed mutually, and the one end symmetry that second workstation (2) was kept away from to coating case (3) is fixed with first movable cylinder (410), and top one side of coating case (3) is fixed with second movable cylinder (411), and the output of first movable cylinder (410) passes coating case (3) and is fixed mutually with one of them movable plate (401), and the output of second movable cylinder (411) passes coating case (3) and is fixed mutually with another movable plate (401).
2. The coating equipment for coating the denitration catalyst slurry on the ceramic filter tube according to claim 1, wherein a plurality of uniformly distributed first coating spray heads (301) are arranged at the top end of the interior of the coating box (3), supporting cylinders (302) are symmetrically fixed at the bottom of the first workbench (1), and the output ends of the supporting cylinders (302) penetrate through the coating box (3) and are fixedly provided with supporting annular plates (303).
3. The coating equipment for coating the denitration catalyst slurry on the ceramic filter tube according to claim 1, wherein leveling cylinders (304) are symmetrically fixed at the tops of two sides of the coating box (3), the output ends of the leveling cylinders (304) penetrate through the coating box (3) and are fixedly provided with supporting frames (305), and leveling rollers (306) are rotatably connected to the inner surfaces of the supporting frames (305).
4. The coating equipment for coating the denitration catalyst slurry on the ceramic filter tube according to claim 1, wherein the drying boxes (307) are respectively fixed on two sides of the interior of the coating box (3), the electric heating rods are arranged in the drying boxes (307), the drying grooves are formed in one side, close to the filter tube, of the drying boxes (307), the fans (308) are respectively fixed on two sides of the exterior of the coating box (3), and the output ends of the fans (308) are communicated with the drying boxes (307).
5. The coating equipment for coating the ceramic filter tube with the denitration catalyst slurry according to claim 1, wherein the coating mechanism (5) comprises fixing plates symmetrically fixed at the top of the second workbench (2), a movable rod (501) is fixed between the two fixing plates, a movable motor (502) is fixed on one fixing plate, an output end of the movable motor (502) penetrates through the fixing plate and is fixed with a movable screw rod (503), a connecting seat (504) is sleeved on an outer surface thread of the movable screw rod (503), the connecting seat (504) is in sliding connection with the movable rod (501), a coating motor (505) is fixed at the top of the connecting seat (504), a rotating rod (506) is fixed at the output end of the coating motor (505), a scraping component (507) is fixed on the outer surface of the rotating rod (506), and a second coating spray head (508) is fixed at the end of the rotating rod (506).
6. The coating equipment for coating the denitration catalyst slurry on the ceramic filter tube according to claim 5, wherein the scraping assembly (507) comprises a scraping seat (5071) fixed on the outer surface of the rotating rod (506), telescopic grooves are symmetrically formed in the outer surface of the scraping seat (5071), scraping blades (5072) are slidably connected in the telescopic grooves, scraping cylinders (5073) are symmetrically fixed on two sides of the scraping seat (5071), an output end of each scraping cylinder (5073) penetrates through the corresponding scraping seat (5071) and is fixedly provided with a sliding plate, and a second connecting rod (5074) is hinged between each sliding plate and each scraping blade (5072).
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| CN202211057012.9A CN115382688B (en) | 2022-08-30 | 2022-08-30 | Denitration catalyst slurry coated on ceramic filter tube and coating equipment thereof |
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| CN202211057012.9A CN115382688B (en) | 2022-08-30 | 2022-08-30 | Denitration catalyst slurry coated on ceramic filter tube and coating equipment thereof |
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| CN118060137B (en) * | 2024-04-19 | 2024-07-09 | 江苏万德环保科技有限公司 | Low temperature modified slurry plate-type denitration catalyst preparation system |
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| CN115382688A (en) | 2022-11-25 |
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