CN118060137A - Low temperature modified slurry plate-type denitration catalyst preparation system - Google Patents
Low temperature modified slurry plate-type denitration catalyst preparation system Download PDFInfo
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- CN118060137A CN118060137A CN202410475372.3A CN202410475372A CN118060137A CN 118060137 A CN118060137 A CN 118060137A CN 202410475372 A CN202410475372 A CN 202410475372A CN 118060137 A CN118060137 A CN 118060137A
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- plate
- stainless steel
- fixedly connected
- steel grid
- clamping
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- 239000003054 catalyst Substances 0.000 title claims abstract description 41
- 238000002360 preparation method Methods 0.000 title claims abstract description 19
- 239000002002 slurry Substances 0.000 title claims abstract description 15
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 60
- 239000010935 stainless steel Substances 0.000 claims abstract description 60
- 238000007790 scraping Methods 0.000 claims abstract description 28
- 238000000576 coating method Methods 0.000 claims description 8
- 239000011248 coating agent Substances 0.000 claims description 7
- UNTBPXHCXVWYOI-UHFFFAOYSA-O azanium;oxido(dioxo)vanadium Chemical compound [NH4+].[O-][V](=O)=O UNTBPXHCXVWYOI-UHFFFAOYSA-O 0.000 claims description 4
- QGAVSDVURUSLQK-UHFFFAOYSA-N ammonium heptamolybdate Chemical compound N.N.N.N.N.N.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.[Mo].[Mo].[Mo].[Mo].[Mo].[Mo].[Mo] QGAVSDVURUSLQK-UHFFFAOYSA-N 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 229920001131 Pulp (paper) Polymers 0.000 claims description 2
- 239000008367 deionised water Substances 0.000 claims description 2
- 229910021641 deionized water Inorganic materials 0.000 claims description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 6
- 239000003546 flue gas Substances 0.000 description 5
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 4
- 238000005096 rolling process Methods 0.000 description 4
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 2
- BIGPRXCJEDHCLP-UHFFFAOYSA-N ammonium bisulfate Chemical compound [NH4+].OS([O-])(=O)=O BIGPRXCJEDHCLP-UHFFFAOYSA-N 0.000 description 2
- 238000001354 calcination Methods 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000004408 titanium dioxide Substances 0.000 description 2
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000010881 fly ash Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000002241 glass-ceramic Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- AKEJUJNQAAGONA-UHFFFAOYSA-N sulfur trioxide Chemical compound O=S(=O)=O AKEJUJNQAAGONA-UHFFFAOYSA-N 0.000 description 1
- 239000011345 viscous material Substances 0.000 description 1
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- Catalysts (AREA)
Abstract
The invention discloses a preparation system of a low-temperature modified slurry plate-type denitration catalyst, which comprises a working box, wherein a feed hopper is fixedly connected to the working box, and a stainless steel grid is arranged in the working box in a sliding manner through a fixing plate; the baffle plate is movably abutted with the discharge hole of the feed hopper; the scraper is arranged on the baffle in a sliding manner. When the stainless steel grid moves into the working box, the stainless steel grid is contacted with the scraping plate, the baffle plate is pushed by the locking component to move synchronously, so that the feeding hopper is opened, catalyst paste in the feeding hopper falls onto the stainless steel grid, the unlocking component ends the locking component, the scraping plate moves upwards to drive the scraping plate to be slightly higher than the stainless steel grid, the function of the scraping plate is changed, and the scraping plate is used for scraping and leveling paste piled on the stainless steel grid, so that the paste is convenient to uniformly coat and convenient to use.
Description
Technical Field
The invention relates to the technical field of flue gas denitration, in particular to a low-temperature modified slurry plate-type denitration catalyst preparation system.
Background
Customers in the flue gas denitration industry mainly fall into two main categories, one category is the thermal power industry, and the other category is the non-thermal power industry, including industries such as steel, cement, glass, petrochemical industry, coal chemical industry and the like. The control of nitrogen oxide emissions in the non-thermal power industry (including self-contained boilers) has been very difficult because the exhaust temperatures of industrial boiler (kiln) equipment in the non-thermal power industry, such as flue gases from industrial boilers, glass ceramic kilns, cement kilns, steel sinters, coker furnaces, and petrochemical system cracking equipment, and process exhaust gases involved in nitric acid production and use are mostly in the range of 120-300 ℃, while the operating temperatures of medium temperature SCR denitration catalysts currently used in the power industry are 300-400 ℃. Due to the presence of SO 2 and SO 3 in the flue gas (about 1% of SO 2 converted to SO 3）,SO3, water vapor and ammonia will produce ammonium bisulfate, which has a dew point temperature of 147 ℃, and liquid ammonium bisulfate is a very viscous material that can bind with fly ash in the flue gas and clog catalyst channels and equipment.
Honeycomb and flat-plate denitration catalysts have been commercially used for many years, and the honeycomb denitration catalysts mainly comprise TiO2, V2O5 and WO3, and the flat-plate denitration catalysts mainly comprise stainless steel grids, tiO2, V2O5 and MoO 3.
The preparation process of the flat plate type catalyst comprises the steps of stretching a steel mesh, mixing raw materials, coating, calcining and assembling, wherein in the coating process, catalyst powder paste is uniformly coated in the middle of a stainless steel mesh, then the powder paste is uniformly pressed on the stainless steel mesh through a roller press, however, the powder paste is directly rolled through the roller press, the thickness of the middle and the thinness of the two sides of the stainless steel mesh at the beginning stage can be caused, and the coating can be uniformly coated on the stainless steel mesh only by repeatedly rolling for a plurality of times, so that the rolling time and the rolling efficiency can be increased, and the processing efficiency is reduced.
Disclosure of Invention
The invention aims to provide a low-temperature modified slurry plate-type denitration catalyst preparation system, which aims to solve the defects in the prior art.
In order to achieve the above object, the present invention provides the following technical solutions: the preparation system comprises a working box, wherein a feed hopper is fixedly connected to the working box, and the stainless steel grid is arranged in the working box in a sliding manner through a fixing plate;
the baffle plate is movably abutted with the discharge hole of the feed hopper;
The scraper is slidably arranged on the baffle, and is locked with the baffle through the locking component, and when the stainless steel grid box working box moves, the scraper is pushed to move synchronously, so that the baffle is opened to be used for opening the feed hopper;
The catalyst paste remover also comprises an unlocking component for unlocking the scraper blade so that the scraper blade moves to be slightly higher than the stainless steel grid, and the catalyst paste is scraped by the scraper blade when the stainless steel grid moves.
As a further description of the above technical solution:
The locking assembly comprises two connecting rods which are arranged on the baffle in a sliding manner, the scraping plates are fixedly connected with the two connecting rods, fixing balls are fixedly connected to the top ends of the two connecting rods, and supporting springs are sleeved outside the connecting rods.
As a further description of the above technical solution:
Two backup pads of fixedly connected with on the baffle, two connecting rods slip respectively set up in two in the backup pad, slip in the backup pad is provided with the joint board, offer on the connecting rod with the spacing groove of joint board looks adaptation.
As a further description of the above technical solution:
the unlocking component comprises a plurality of supporting rods fixed on the inner wall of the working box, and an unlocking plate is fixedly connected to the two supporting rods close to one side of the fixing plate.
As a further description of the above technical solution:
the unlocking assembly further comprises a fixing rod, the fixing rod is fixedly connected with the two clamping plates, the fixing rod is matched with the two unlocking plates, and the unlocking plates and the fixing rod are located on the same horizontal plane.
As a further description of the above technical solution:
the guide plates are fixedly connected with a plurality of support rods positioned on the same side, and the guide plates are in movable contact with the fixed balls.
As a further description of the above technical solution:
The stainless steel grid fixing device is characterized in that two limiting assemblies are arranged in the fixing plate and used for locking the baffle, limiting the baffle conveniently when the stainless steel grid moves below the feeding hopper, each limiting assembly comprises a clamping rod, clamping grooves matched with the clamping rods are formed in the baffle, clamping springs are fixedly connected to the clamping rods, and the clamping springs are fixedly connected with the inner walls of the fixing plate.
As a further description of the above technical solution:
the limiting assembly further comprises a connecting plate fixed on the inner wall of the working box, a sliding rod is arranged in the connecting plate in a sliding mode, the end portion of the sliding rod is fixedly connected with the baffle, and an abutting spring is sleeved outside the sliding rod.
As a further description of the above technical solution:
The stainless steel grid is characterized in that moving blocks are fixedly connected to two sides of the stainless steel grid, two driving rods are slidably arranged in the fixed plate, the two driving rods are fixedly connected with the two clamping rods respectively, and the two driving rods are matched with the two moving blocks respectively.
As a further description of the above technical solution:
the top of movable block sets up to be the inclined plane, the bottom of actuating lever is higher than the lowest department of movable block inclined plane.
In the technical scheme, the low-temperature modified slurry plate-type denitration catalyst preparation system provided by the invention has the beneficial effects that:
The invention comprises the following steps: when stainless steel grid moves to the working box, at first stainless steel grid and scraper blade contact, promote baffle synchronous motion through locking subassembly to open the feeder hopper, thereby make the catalyst in the feeder hopper paste and fall into on the stainless steel grid, then unblock subassembly ends locking subassembly, make the scraper blade shift up, drive the scraper blade slightly higher than the stainless steel grid, in order to be used for changing the function of scraper blade, be used for scraping the paste of piling up on the stainless steel grid and strickleing off, in order to make things convenient for follow-up roll-in to the stainless steel grid, make things convenient for paste even coating, facilitate the use, save time, the efficiency of preparation has been improved.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.
This document provides an overview of various implementations or examples of the technology described in this disclosure, and is not a comprehensive disclosure of the full scope or all of the features of the technology disclosed.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments described in the present application, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.
FIG. 1 is a schematic view of a three-dimensional cross-sectional structure according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of an internal enlarged structure according to an embodiment of the present invention;
FIG. 3 is a schematic cross-sectional view of a baffle and a scraper according to an embodiment of the present invention;
FIG. 4 is a schematic cross-sectional view of a moving block according to an embodiment of the present invention;
FIG. 5 is an enlarged view of the portion A shown in FIG. 2, provided by an embodiment of the present invention;
FIG. 6 is an enlarged view of portion B of FIG. 3, provided in accordance with an embodiment of the present invention;
fig. 7 is an enlarged view of a portion C shown in fig. 3 according to an embodiment of the present invention.
Reference numerals illustrate:
1. A working box; 11. a feed hopper; 12. a fixing plate; 2. stainless steel mesh; 3. a baffle; 4. a scraper; 41. a connecting rod; 42. a fixed ball; 43. a support plate; 44. a clamping plate; 45. a support spring; 51. a connecting plate; 52. a slide bar; 53. abutting against the spring; 54. a clamping rod; 55. a clamping spring; 56. a clamping groove; 57. a driving rod; 58. a moving block; 61. a support rod; 62. a limit groove; 63. a fixed rod; 64. unlocking plate; 7. and a guide plate.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present disclosure more apparent, the technical solutions of the embodiments of the present disclosure will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present disclosure. It will be apparent that the described embodiments are some, but not all, of the embodiments of the present disclosure. All other embodiments, which can be made by one of ordinary skill in the art without the need for inventive faculty, are within the scope of the present disclosure, based on the described embodiments of the present disclosure.
Referring to fig. 1-7, the low-temperature modified slurry plate-type denitration catalyst preparation system provided by the embodiment is used for preparing a plate-type denitration catalyst, wherein the plate-type denitration catalyst is prepared by coating catalyst paste on a stainless steel grid 2, the catalyst paste is prepared by mixing raw materials such as ammonium metavanadate, ammonium heptamolybdate, titanium dioxide and the like, wherein the titanium dioxide is 480-550 parts, 30-35 parts of ammonium heptamolybdate and 5-10 parts of ammonium metavanadate are mixed with deionized water, wood pulp and the like, the preparation system comprises a working box 1, a feed hopper 11 is fixedly connected to the working box 1, two sides of the working box 1 are respectively provided with a feed hole and a discharge hole, the feed hole is positioned on one side of the feed hopper 11, and the stainless steel grid 2 is slidingly arranged in the working box 1 through a fixing plate 12; the device also comprises a baffle plate 3, wherein the baffle plate 3 is movably abutted with a discharge hole of the feed hopper 11; the stainless steel grid 2 box working box 1 is characterized by further comprising a scraping plate 4 arranged on the baffle plate 3 in a sliding manner, wherein the scraping plate 4 is locked with the baffle plate 3 through a locking assembly, and when the stainless steel grid 2 box working box 1 moves, the scraping plate 4 is pushed to move synchronously, so that the baffle plate 3 is opened for opening the feed hopper 11; an unlocking assembly for unlocking the scraper 4 so that the scraper 4 moves slightly above the stainless steel mesh 2, when the stainless steel mesh 2 moves, for the scraper 4 to scrape the catalyst paste; when stainless steel net 2 moves to the working box 1, at first stainless steel net 2 contacts with scraper blade 4, promote baffle 3 synchronous motion through locking subassembly to open feeder hopper 11, thereby make the catalyst paste material in the feeder hopper 11 fall into on the stainless steel net 2, then unblock subassembly is to locking subassembly end, make scraper blade 4 shift up, drive scraper blade 4 slightly higher than stainless steel net 2, with be used for changing scraper blade 4's function, be used for scraping the paste material of piling up on the stainless steel net 2 and strickle off, in order to make things convenient for follow-up roll-in to stainless steel net 2, make things convenient for the paste material evenly to apply, facilitate the use, save time has improved the efficiency of preparation.
In a further embodiment of the present invention, the locking assembly includes two connecting rods 41 slidably disposed on the baffle 3, the scraping plate 4 is fixedly connected with the two connecting rods 41, top ends of the two connecting rods 41 are fixedly connected with fixing balls 42, and supporting springs 45 are sleeved outside the connecting rods 41.
Further, two support plates 43 are fixedly connected to the baffle 3, two connecting rods 41 are respectively slidably arranged in the two support plates 43, a clamping plate 44 is slidably arranged in the support plates 43, and a limiting groove 62 matched with the clamping plate 44 is formed in the connecting rods 41. The two connecting rods 41 are uniformly distributed on the two sides of the baffle 3 and are used for connecting the scraping plates 4, so that the force of the scraping plates 4 is uniformly distributed on the two connecting rods 41, and the moving stability of the scraping plates 4 is ensured.
In a further embodiment of the present invention, the unlocking assembly includes a plurality of support rods 61 fixed on the inner wall of the working box 1, and an unlocking plate 64 is fixedly connected to two support rods 61 near one side of the fixing plate 12.
Further, the unlocking assembly further comprises a fixing rod 63, the fixing rod 63 is fixedly connected with the two clamping plates 44, the fixing rod 63 is matched with the two unlocking plates 64, the unlocking plates 64 and the fixing rod 63 are located on the same horizontal plane (as shown in fig. 2), when the scraper 4 drives the connecting plate 51 to move, the baffle 3 drives the supporting plate 43 to move synchronously, so that the clamping plates 44 move synchronously, the fixing rod 63 is driven to move, after the fixing rod 63 moves to the unlocking plates 64, the unlocking plates 64 limit the fixing rod 63, the supporting plate 43 is continuously moved, the clamping plates 44 move out of the limiting grooves 62, and unlocking of the connecting rod 41 is achieved.
In the embodiment provided by the invention, the device further comprises two guide plates 7, wherein the guide plates 7 are fixedly connected with a plurality of support rods 61 positioned on the same side, the guide plates 7 are in movable contact with the fixed balls 42, the fixed balls 42 are limited by the guide plates 7, and when the baffle plate 3 is pushed to move by the abutting springs 53, the connecting rods 41 are enabled to synchronously move, so that the fixed balls 42 are pushed to move and move downwards under the action of the guide plates 7, and the clamping connection rods 54 are convenient to lock the limiting grooves 62.
Specifically, be provided with two spacing subassemblies in the fixed plate 12, spacing subassembly is used for locking backstop board 3, and when stainless steel net 2 moved in the feeder hopper 11 below, the spacing subassembly includes clamping rod 54, be provided with on the baffle 3 with clamping groove 56 of clamping rod 54 looks adaptation, fixedly connected with joint spring 55 on the clamping rod 54, joint spring 55 with the inner wall fixed connection of fixed plate 12 when the baffle 3 removes for joint groove 56 synchronous movement, after the clamping groove 56 moved to clamping rod 54 department, promote clamping rod 54 to clamping groove 56 joint through joint spring 55, thereby carry out the joint spacing to baffle 3, make things convenient for the stable unloading of feeder hopper 11.
In a further provided solution of the present invention, the limiting assembly further includes a connecting plate 51 fixed on an inner wall of the working box 1, a sliding rod 52 is slidably disposed in the connecting plate 51, an end of the sliding rod 52 is fixedly connected with the baffle 3, and an abutting spring 53 is sleeved on the sliding rod 52.
In the present invention, the two sides of the stainless steel mesh 2 are fixedly connected with the moving blocks 58, two driving rods 57 are slidably disposed in the fixed plate 12, the two driving rods 57 are fixedly connected with the two clamping rods 54 respectively, and the two driving rods 57 are respectively adapted to the two moving blocks 58.
In the invention, the top of the moving block 58 is provided with an inclined surface, the bottom end of the driving rod 57 is higher than the lowest part of the inclined surface of the moving block 58, when the stainless steel grid 2 drives the moving block 58 to move, and when the moving block 58 moves to the driving block, as the moving block 58 is provided with the inclined surface, after the lowest part of the inclined surface of the moving block 58 moves below the driving rod 57, the moving block 58 is continuously moved so as to push the driving rod 57 to move upwards, so that the clamping rod 54 moves out of the clamping groove 56, and the baffle 3 moves to shield the discharge hole of the feed hopper 11 through elastic release of the abutting spring 53, thereby avoiding blanking.
When the stainless steel grid feeding device is used, the stainless steel grid 2 is moved rightwards from a feeding hole of the working box 1 into the working box 1 (taking fig. 1 as a reference), so that the end part of the stainless steel grid 2 is in movable contact with the scraping plate 4, the stainless steel grid 2 is continuously moved to enable the scraping plate 4 to synchronously move rightwards, the connecting rod 41 is driven to move, the baffle 3 is synchronously moved, the baffle 3 is moved out of the bottom of the feeding hopper 11, the feeding hopper 11 is opened, and paste in the feeding hopper 11 falls onto the stainless steel grid 2 (a spiral feeding rod is arranged in the feeding hopper 11 and used for blanking, and the spiral feeding rod is not shown in the drawing);
when the scraping plate 4 drives the baffle plate 3 to move, the sliding rod 52 moves rightward in the connecting plate 51, so that the abutting springs 53 are compressed, and after the clamping grooves 56 of the baffle plate 3 move to the clamping grooves 54, the clamping grooves 54 are pushed to move downward into the clamping grooves 56 through the elasticity of the abutting springs 53, so that the baffle plate 3 is clamped and limited;
At this time, the connecting rod 41 drives the fixing ball 42 to move to a position close to the fixing plate 12, so that the clamping plate 44 drives the fixing rod 63 to synchronously move, so that the fixing rod 63 moves to the unlocking plate 64, the unlocking plate 64 limits the fixing rod 63, when the scraper 4 continues to move, the clamping plate 44 moves out of the limiting groove 62, so that the connecting rod 41 is unlocked, the fixing ball 42 is pushed to move upwards by the elasticity of the supporting spring 45, so that the connecting rod 41 drives the scraper 4 to move upwards, and the scraper 4 is slightly higher than the stainless steel grid 2;
the stainless steel grid 2 continues to move, at the moment, the scraper 4 does not move, the stainless steel grid 2 drives the paste to move, so that the paste passes through the scraper 4, the scraper 4 scrapes off and scrapes the paste to be flat, the follow-up uneven coating is avoided, the coating time is shortened, when the stainless steel grid 2 drives the moving block 58 to move, when the moving block 58 moves to the driving block, as the moving block 58 is provided with an inclined surface, after the lowest part of the inclined surface of the moving block 58 moves to the position below the driving rod 57, the moving block 58 is continuously moved so as to push the driving rod 57 to move upwards, the clamping rod 54 moves out of the clamping groove 56, the elastic release of the abutting spring 53 is realized, the baffle 3 moves to shield the discharge hole of the feed hopper 11, blanking is avoided, and then the stainless steel grid 2 with the catalyst paste is subjected to rolling calcination;
Simultaneously, under the action of the guide plate 7, when the fixed ball 42 moves leftwards and downwards, the limiting groove 62 is driven to move downwards, the limiting groove 62 moves downwards to the clamping plate 44, then the clamping plate 44 limits the limiting groove 62, and after the next stainless steel grid 2 enters the working box 1, the operation is repeated.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the invention, which is defined by the appended claims.
Claims (8)
1. The preparation system of the low-temperature modified slurry plate-type denitration catalyst is used for preparing the plate-type denitration catalyst, the plate-type denitration catalyst is prepared by coating catalyst paste on a stainless steel grid (2), the catalyst paste is prepared by mixing 480-550 parts of ammonium metavanadate, 30-35 parts of ammonium heptamolybdate, 5-10 parts of ammonium metavanadate and the like, and the catalyst is mixed with deionized water, wood pulp and the like, and is characterized by comprising a working box (1), a feed hopper (11) is fixedly connected to the working box (1), and the stainless steel grid (2) is slidably arranged in the working box (1) through a fixing plate (12);
The feeding hopper also comprises a baffle (3), wherein the baffle (3) is movably abutted with a discharge hole of the feeding hopper (11);
The stainless steel grid box comprises a baffle plate (3), and is characterized by further comprising a scraping plate (4) arranged on the baffle plate (3) in a sliding manner, wherein the scraping plate (4) is locked with the baffle plate (3) through a locking assembly, and when the stainless steel grid (2) box working box (1) moves, the scraping plate (4) is pushed to move synchronously, so that the baffle plate (3) is opened to be used for opening a feed hopper (11);
the device also comprises an unlocking component, a catalyst scraping component and a catalyst scraping component, wherein the unlocking component is used for unlocking the scraping plate (4) so that the scraping plate (4) moves to be slightly higher than the stainless steel grid (2), and the catalyst paste is scraped by the scraping plate (4) when the stainless steel grid (2) moves;
the locking assembly comprises two connecting rods (41) which are arranged on the baffle plate (3) in a sliding manner, the scraping plate (4) is fixedly connected with the two connecting rods (41), the top ends of the two connecting rods (41) are fixedly connected with fixing balls (42), and supporting springs (45) are sleeved outside the connecting rods (41);
The unlocking component comprises a plurality of supporting rods (61) fixed on the inner wall of the working box (1), and unlocking plates (64) are fixedly connected to the two supporting rods (61) close to one side of the fixing plate (12).
2. The preparation system of the low-temperature modified slurry plate-type denitration catalyst according to claim 1, wherein two support plates (43) are fixedly connected to the baffle plate (3), two connecting rods (41) are respectively arranged in the two support plates (43) in a sliding mode, a clamping plate (44) is arranged in the support plates (43) in a sliding mode, and a limiting groove (62) matched with the clamping plate (44) is formed in the connecting rods (41).
3. The system for preparing the low-temperature modified slurry plate-type denitration catalyst according to claim 2, wherein the unlocking assembly further comprises a fixing rod (63), the fixing rod (63) is fixedly connected with the two clamping plates (44), the fixing rod (63) is matched with the two unlocking plates (64), and the unlocking plates (64) and the fixing rod (63) are located on the same horizontal plane.
4. The preparation system of the low-temperature modified slurry plate-type denitration catalyst according to claim 1, further comprising two guide plates (7), wherein the guide plates (7) are fixedly connected with a plurality of support rods (61) positioned on the same side, and the guide plates (7) are movably contacted with the fixing balls (42).
5. The preparation system of the low-temperature modified slurry plate-type denitration catalyst according to claim 1, wherein two limiting components are arranged in the fixed plate (12), the limiting components are used for locking the baffle plate (3), when the stainless steel grid (2) moves below the feed hopper (11), limiting of the baffle plate (3) is facilitated, the limiting components comprise a clamping rod (54), a clamping groove (56) matched with the clamping rod (54) is formed in the baffle plate (3), a clamping spring (55) is fixedly connected to the clamping rod (54), and the clamping spring (55) is fixedly connected with the inner wall of the fixed plate (12).
6. The preparation system of the low-temperature modified slurry plate-type denitration catalyst according to claim 5, wherein the limiting assembly further comprises a connecting plate (51) fixed on the inner wall of the working box (1), a sliding rod (52) is slidably arranged in the connecting plate (51), the end part of the sliding rod (52) is fixedly connected with the baffle plate (3), and an abutting spring (53) is sleeved outside the sliding rod (52).
7. The preparation system of the low-temperature modified slurry plate-type denitration catalyst according to claim 5, wherein moving blocks (58) are fixedly connected to two sides of the stainless steel grid (2), two driving rods (57) are slidably arranged in the fixed plate (12), the two driving rods (57) are fixedly connected with the two clamping rods (54) respectively, and the two driving rods (57) are matched with the two moving blocks (58) respectively.
8. The preparation system of the low-temperature modified slurry plate-type denitration catalyst according to claim 7, wherein the top of the moving block (58) is provided with an inclined surface, and the bottom end of the driving rod (57) is higher than the lowest part of the inclined surface of the moving block (58).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410475372.3A CN118060137B (en) | 2024-04-19 | Low temperature modified slurry plate-type denitration catalyst preparation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410475372.3A CN118060137B (en) | 2024-04-19 | Low temperature modified slurry plate-type denitration catalyst preparation system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN118060137A true CN118060137A (en) | 2024-05-24 |
| CN118060137B CN118060137B (en) | 2024-07-09 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102935387A (en) * | 2012-11-05 | 2013-02-20 | 北京华电光大新能源环保技术有限公司 | Continuous production device and production process of selective catalytic reduction (SCR) plate-type denitration catalyst |
| CN217664069U (en) * | 2022-03-29 | 2022-10-28 | 东风（十堰）汽车钢板弹簧有限公司 | Leaf spring processing frock that sprays paint with strickle off function |
| CN115382688A (en) * | 2022-08-30 | 2022-11-25 | 安徽紫朔环境工程技术有限公司 | Denitration catalyst slurry coated on ceramic filter tube and coating equipment thereof |
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102935387A (en) * | 2012-11-05 | 2013-02-20 | 北京华电光大新能源环保技术有限公司 | Continuous production device and production process of selective catalytic reduction (SCR) plate-type denitration catalyst |
| CN217664069U (en) * | 2022-03-29 | 2022-10-28 | 东风（十堰）汽车钢板弹簧有限公司 | Leaf spring processing frock that sprays paint with strickle off function |
| CN115382688A (en) * | 2022-08-30 | 2022-11-25 | 安徽紫朔环境工程技术有限公司 | Denitration catalyst slurry coated on ceramic filter tube and coating equipment thereof |
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