Sulfur-resistant, water-resistant and high-temperature-resistant plate-type denitration catalyst preparation system and preparation method

Abstract

The invention discloses a preparation system and a preparation method of a sulfur-resistant, water-resistant and high-temperature-resistant plate-type denitration catalyst, and relates to the technical field of catalyst preparation, the preparation system comprises a machine shell, a feeding cylinder and a connecting block are fixedly mounted in the machine shell, and the preparation system further comprises a net plate, a plurality of baffle plates and a plurality of baffle plates, the friction wheel is rotationally arranged on the side wall of the feeding barrel and is attached to the net plate; a friction shaft is coaxially and fixedly installed on the rotating disc, the friction shaft is rotationally installed on the side wall of the feeding barrel, and the friction wheel and the friction shaft are arranged in an attached mode; a stirring rod; the bottom frame is arranged below the feeding barrel, and the net plate penetrates through the space between the bottom frame and the feeding barrel; and fan blades. When the screen plate passes through the machine shell of the coating machine, the screen plate is obliquely arranged downwards in the machine shell, so that slurry falling onto the screen plate automatically falls below the screen plate through gravity and automatically flows downwards on the screen plate to be coated in the oblique state of the screen plate, and the whole coating process is simple, convenient and high in efficiency.

Description

Technical Field

[0001] The present invention relates to the technical field of catalyst preparation, and particularly relates to a preparation system and a preparation method for a sulfur-resistant, water-resistant and high-temperature-resistant plate-type denitration catalyst. Background Art

[0002] Customers in the flue gas denitration industry are mainly divided into two categories. One is the thermal power generation industry, and the other is the non-thermal power industry, including industries such as steel, cement, glass, petrochemical, and coal chemical industries. The control of nitrogen oxide emissions in the non-thermal power industry (including self-provided boilers) has encountered great difficulties. Because the flue gas of industrial boiler (kiln) equipment in the non-thermal power industry, such as industrial boilers, glass and ceramic kilns, cement kilns, steel sintering machines, coking furnaces, and petrochemical system cracking equipment, as well as the process waste gas emissions involved in nitric acid production and use, mostly have an emission temperature in the range of 120 - 300 °C, while the working temperature of the medium-temperature SCR denitration catalyst currently used in the power industry is 300 - 400 °C. Due to the presence of SO2 and SO3 in the flue gas (about 1% of SO2 is converted to SO3), SO3, water vapor, and ammonia will generate ammonium bisulfate. The dew point temperature of ammonium bisulfate is 147 °C. Liquid ammonium bisulfate is a very viscous substance and will adhere to fly ash in the flue gas, blocking the catalyst pores and equipment. Honeycomb-type and plate-type denitration catalysts have been commercially applied for many years. The honeycomb-type denitration catalyst is mainly composed of TiO2, V2O5, and WO3, and the plate-type denitration catalyst is mainly composed of a stainless steel grid, TiO2, V2O5, and MoO3; When producing plate-type catalysts, it is often necessary to first stretch the steel plate, punch holes, mix raw materials, coat, calcine, assemble, etc. When coating, it is necessary to cover the catalyst slurry on the mesh plate. However, some existing coating machines can only coat one surface during coating, and the other surface needs to be turned over for coating, resulting in poor coating efficiency and being troublesome. Summary of the Invention

[0003] The purpose of the present invention is to provide a preparation system and a preparation method for a sulfur-resistant, water-resistant and high-temperature-resistant plate-type denitration catalyst to solve the above-mentioned deficiencies in the prior art.

[0004] To achieve the above object, the present invention provides the following technical solution: An anti-sulfur, anti-water and high-temperature resistant plate-type denitration catalyst preparation system, including a casing, and a feeding cylinder and a connecting block are fixedly installed inside the casing. It further includes: a mesh plate, and the mesh plate penetrates through the casing in an inclined manner; a friction wheel, which is rotatably arranged on the side wall of the feeding cylinder and is in contact with the mesh plate; a turntable, on which a friction shaft is coaxially fixedly installed, and the friction shaft is rotatably installed on the side wall of the feeding cylinder, and the friction wheel and the friction shaft are in contact with each other; a stirring rod; a bottom frame, which is arranged below the feeding cylinder, and the mesh plate passes through between the bottom frame and the feeding cylinder; a fan blade, which is arranged inside the bottom frame; a connecting plate, one end of which is fixedly connected to the stirring rod, and a side block is slidably installed at the other end of the connecting plate, and friction plates are respectively fixedly installed at both ends of the side block; when the mesh plate moves and conveys, it will drive the friction wheel to rotate, and at this time, the friction wheel will drive the connecting plate to move left and right reciprocally through the turntable, so that the fan blade blows air obliquely downward on the bottom side of the mesh plate and drives the stirring rod to stir inside the feeding cylinder.

[0005] Preferably, an annular corrugated groove is provided on the circumferential surface of the friction shaft, and a plug rod is fixedly installed on the stirring rod.

[0006] Preferably, the two friction plates are respectively arranged at the upper and lower ends of the side block; A fixing block is fixedly installed on the side block, and an intermediate block is fixedly installed on the fixing block. At the same time, a through hole is provided on the side block for placing the intermediate block; An annular channel is formed between the intermediate block and the side block; A convex strip is fixedly installed on the side wall of the bottom frame, and the convex strip is inserted into the annular channel; A slider is slidably installed at the end corner of the intermediate block, a spring is fixedly installed between the slider and the intermediate block, and an inclined side is provided on the slider.

[0007] Preferably, a connecting frame is fixedly installed on the bottom frame, a rotating rod is rotatably installed inside the connecting frame, and the fan blade is fixedly installed on the rotating rod.

[0008] Preferably, stirring blades are fixedly installed on the stirring rod.

[0009] Preferably, an upper pressing block is slidably installed at the bottom end of the connecting block, a side plate is fixedly installed on the side wall of the upper pressing block, and a lower pressing block is fixedly installed on the side plate; Wherein the mesh plate passes through between the upper pressing block and the lower pressing block.

[0010] Preferably, grooves are provided on both the upper pressing block and the lower pressing block.

[0011] Preferably, a fixing strip is fixedly installed on the connecting block, a rotating strip is rotatably installed at the bottom end of the fixing strip, a round rod is fixedly installed at the end of the rotating strip close to the turntable, and a convex block is fixedly installed on the turntable; A round bar is fixedly installed on the side wall of the side plate. A connection groove is formed at one end of the rotating bar close to the round bar, and the round bar is inserted into the connection groove.

[0012] Preferably, the groove is triangular in shape.

[0013] A preparation method of a sulfur-resistant, water-resistant and high-temperature-resistant plate-type denitration catalyst is applicable to the above-mentioned preparation system and includes the following steps: S1. Pour the sulfur-resistant, water-resistant and high-temperature-resistant catalyst slurry into the feeding cylinder. S2. Start the winding machine, and the winding machine winds the mesh plate, so that the mesh plate moves in the casing of the coating machine. S3. When the mesh plate passes below the feeding cylinder, the slurry in the feeding cylinder will fall onto the mesh plate and flow through the mesh holes on the mesh plate to its lower side. S4. While the mesh plate moves, the descending slurry will be blown at the same time to prevent it from falling off directly, so that it moves and covers below the mesh plate.

[0014] In the above technical solution, the present invention provides a preparation system and a preparation method of a sulfur-resistant, water-resistant and high-temperature-resistant plate-type denitration catalyst, and has the following beneficial effects: When the mesh plate passes through the casing of the coating machine, the mesh plate is inclined downward in the casing, so that the slurry falling on the mesh plate can automatically fall below the mesh plate by gravity, and automatically flow downward on the mesh plate in the inclined state of the mesh plate for coating, so that the whole coating process is simple and convenient, and has high efficiency. Description of the Drawings

[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings required to be used in the embodiments. Obviously, the drawings described below are only some embodiments recorded in the present invention. For those of ordinary skill in the art, other drawings can also be obtained according to these drawings.

[0016] Figure 1 It is a three-dimensional structure schematic diagram provided by an embodiment of the present invention; Figures 2-3 They are all partial structure schematic diagrams of the mesh plate provided by the embodiments of the present invention; Figure 4 It is provided by an embodiment of the present invention Figure 3 Schematic diagram of the structure at A; Figure 5 It is a partial structure schematic diagram of the feeding cylinder provided by an embodiment of the present invention; Figure 6 It is a partial structure schematic diagram of the bottom frame provided by an embodiment of the present invention; Figure 7 It is provided by an embodiment of the present invention Figure 6 Schematic diagram of the structure at B; Figure 8 Partial structural schematic diagram of the upper pressing block provided by the embodiment of the present invention; Figure 9 Partial structural schematic diagram of the turntable provided by the embodiment of the present invention; Figures 10-11 All are partial structural schematic diagrams of the side block provided by the embodiment of the present invention.

[0017] Explanation of reference numerals: 1. Machine housing; 2. Mesh plate; 3. Feeding cylinder; 4. Connecting block; 51. Friction wheel; 52. Friction shaft; 53. Turntable; 531. Annular corrugated groove; 532. Convex block; 54. Plug rod; 55. Stirring rod; 56. Connecting plate; 57. Connecting rod; 58. Bottom frame; 59. Connecting frame; 510. Rotating rod; 511. Fan blade; 512. Stirring blade; 61. Side block; 62. Friction plate; 63. Intermediate block; 64. Fixed block; 65. Ridge; 66. Slide block; 67. Spring; 71. Rotating bar; 72. Round rod; 73. Fixed bar; 74. Round bar; 75. Side plate; 76. Upper pressing block; 77. Lower pressing block; 78. Groove. Detailed implementation manners

[0018] In order to enable those skilled in the art to better understand the technical solutions of the present invention, the present invention will be further introduced in detail below in conjunction with the accompanying drawings.

[0019] Please refer to Figures 1-11 , an anti-sulfur, anti-water and high-temperature resistant plate-type denitration catalyst preparation system and preparation method, including a machine housing 1, and a feeding cylinder 3 and a connecting block 4 are fixedly installed inside the machine housing 1. It further includes: a mesh plate 2, and the mesh plate 2 penetrates the machine housing 1 obliquely; a friction wheel 51, which is rotatably arranged on the side wall of the feeding cylinder 3 and is in contact with the mesh plate 2; a turntable 53, on which a friction shaft 52 is coaxially fixedly installed, and the friction shaft 52 is rotatably installed on the side wall of the feeding cylinder 3, and the friction wheel 51 and the friction shaft 52 are in contact with each other; a stirring rod 55; a bottom frame 58, which is arranged below the feeding cylinder 3, and the mesh plate 2 passes between the bottom frame 58 and the feeding cylinder 3; a fan blade 511, which is arranged inside the bottom frame 58; a connecting plate 56, one end of which is fixedly connected to the stirring rod 55, and a side block 61 is slidably installed at the other end of the connecting plate 56, and friction plates 62 are respectively fixedly installed at both ends of the side block 61; when the mesh plate 2 moves for conveying, it will drive the friction wheel 51 to rotate, and at this time, the friction wheel 51 will drive the connecting plate 56 to reciprocate left and right through the turntable 53, so that the fan blade 511 blows air obliquely downward on the bottom side of the mesh plate 2 and drives the stirring rod 55 to stir inside the feeding cylinder 3; Wherein, a connecting rod 57 is fixedly installed on the side wall of the feeding cylinder 3, and the bottom end of the connecting rod 57 is fixedly connected to the bottom frame 58, and the bottom frame 58 can be arranged below the mesh plate 2 through the connecting rod 57.

[0020] In another embodiment of the present invention: an annular corrugated groove 531 is provided on the circumferential surface of the friction shaft 52, and a plug rod 54 is fixedly installed on the stirring rod 55; The size of the plug rod 54 is adapted to the size of the annular corrugated groove 531, and the plug rod 54 is inserted into the annular corrugated groove 531; When the mesh plate 2 is being conveyed, the mesh plate 2 passes through the casing 1, and the input end of the mesh plate 2 in the casing 1 is positioned upwards, while the output end is positioned downwards, so that the mesh plate 2 is inclined when passing through the casing 1. At this time, as the mesh plate 2 is conveyed, the mesh plate 2 passes through the bottom end of the feeding cylinder 3, and slurry is placed in the feeding cylinder 3. As the mesh plate 2 moves, the slurry will continuously fall onto the mesh plate 2. At the same time, a number of mesh holes are provided on the mesh plate 2. At this time, the slurry will flow through the mesh holes to the lower side of the mesh plate 2. Since the mesh plate 2 is inclined in the casing 1, the slurry will flow downward along the mesh plate 2 both above and below the mesh plate 2, thus covering the surface of the mesh plate 2; When the mesh plate 2 moves, it will drive the friction wheel 51 to rotate. At this time, the friction wheel 51 will drive the turntable 53 to rotate through the friction shaft 52. As the turntable 53 rotates, it drives the plug rod 54 to move through the annular corrugated groove 531. The plug rod 54 is fixedly installed on the stirring rod 55. At this time, the plug rod 54 will drive the stirring rod 55 and the connecting plate 56 thereon to move left and right reciprocally. At this time, the stirring rod 55 will move left and right in the feeding cylinder 3 to agitate. At the same time, the connecting plate 56 will drive the side block 61 at its bottom end to move, and the side block 61 will drive the friction plate 62 to move, so that the friction plate 62 drives the fan blade 511 to rotate. At this time, the fan blade 511 will blow air downward at the bottom end of the mesh plate 2. As the fan blade 511 blows air, the slurry at the bottom end of the mesh plate 2 will flow better downward along the bottom wall of the mesh plate 2 and is not likely to drop directly, so that the slurry coats the upper and lower sides of the mesh plate 2.

[0021] In another embodiment of the present invention: two friction plates 62 are respectively arranged at the upper and lower ends of the side block 61; A fixed block 64 is fixedly installed on the side block 61, and an intermediate block 63 is fixedly installed on the fixed block 64. At the same time, a through hole is provided on the side block 61 for placing the intermediate block 63; An annular channel is formed between the intermediate block 63 and the side block 61; A convex strip 65 is fixedly installed on the side wall of the bottom frame 58, and the convex strip 65 is inserted into the annular channel; A slider 66 is slidably installed at the end corner of the intermediate block 63, a spring 67 is fixedly installed between the slider 66 and the intermediate block 63, and a bevel edge is provided on the slider 66; Among them, referring to Figure 11, wherein the side block 61 slides up and down on the connecting plate 56. When the connecting plate 56 moves left and right, the convex strip 65 moves clockwise in the annular channel relative to the side block 61. When the connecting plate 56 drives the side block 61 to move to the right, at this time, the slider 66 above the middle block 63 will contact the convex strip 65. At this time, the contact between the tip of the convex strip 65 and the slider 66 will abut against the slider 66 and the middle block 63, so that the middle block 63 is squeezed and drives the side block 61 to move upward. At this time, the side block 61 will drive the friction plate 62 to move upward, and at this time, the friction plate 62 at the bottom side will contact the rotating rod 510 of the fan blade 511. At this time, the rightward movement of the friction plate 62 will drive the rotating rod 510 to rotate through the bottom friction plate 62, thereby driving the fan blade 511 to rotate counterclockwise until the convex strip 65 contacts the hypotenuse of the lower left slider 66. At this time, the convex strip 65 will abut against the lower left slider 66 and slide into the middle block 63, so as not to hinder the movement of the convex strip 65 until the convex strip 65 crosses the lower left slider 66 and moves to the lower left corner of the annular channel. When the connecting plate 56 drives the side block 61 to move to the left, at this time, the convex strip 65 is located at the lower left corner of the annular channel, and at this time, the tip of the lower left slider 66 contacts the convex strip 65. At this time, the convex strip 65 will squeeze the slider 66 and the middle block 63, so that the side block 61 moves downward. At this time, the side block 61 will drive the two friction plates 62 to move, so that the upper friction plate 62 moves downward and contacts the rotating rod 510 of the fan blade 511. At this time, when the connecting plate 56 drives the side block 61 to move to the left, the upper friction plate 62 will drive the rotating rod 510 on the fan blade 511 to rotate. At this time, the rotating rod 510 still rotates counterclockwise, so that the rotating rod 510 always rotates in the same direction, so that the blowing direction of the fan blade 511 is consistent.

[0022] In another embodiment of the present invention: a connecting frame 59 is fixedly installed on the bottom frame 58, a rotating rod 510 is rotatably installed in the connecting frame 59, and the fan blade 511 is fixedly installed on the rotating rod 510; Wherein the friction plate 62 intermittently contacts the rotating rod 510, so as to drive the rotating rod 510 to always rotate in one direction, thereby driving the fan blade 511 to blow downward.

[0023] In another embodiment of the present invention: a stirring blade 512 is fixedly installed on the stirring rod 55; Wherein the stirring rod 55 is inserted into the feeding cylinder 3, and the stirring blade 512 is arranged at the discharge port at the bottom end of the feeding cylinder 3; Wherein a plurality of discharge ports are arranged at the bottom end of the feeding cylinder 3, and the slurry in the feeding cylinder 3 falls through the discharge ports. The discharge ports are usually small, and in order to prevent the slurry from solidifying in the discharge ports and blocking the outlet, the stirring blade 512 and the stirring rod 55 move repeatedly in the feeding cylinder 3, so as to prevent the slurry from solidifying.

[0024] In another embodiment of the present invention: A upper pressing block 76 is slidably installed at the bottom end of the connecting block 4, a side plate 75 is fixedly installed on the side wall of the upper pressing block 76, and a lower pressing block 77 is fixedly installed on the side plate 75; Wherein the mesh plate 2 passes through between the upper pressing block 76 and the lower pressing block 77; When the mesh plate 2 carries the slurry thereon and passes through between the upper pressing block 76 and the lower pressing block 77, the slurry on the mesh plate 2 can be recovered and the slurry on the mesh plate 2 can be smoothed when the slurry passes through the upper pressing block 76 and the lower pressing block 77.

[0025] In another embodiment of the present invention: Grooves 78 are formed on both the upper pressing block 76 and the lower pressing block 77; Wherein the slurry remaining blocked by the upper pressing block 76 and the lower pressing block 77 is stored in the grooves 78 through the grooves 78.

[0026] In another embodiment of the present invention: A fixing bar 73 is fixedly installed on the connecting block 4, a rotating bar 71 is rotatably installed at the bottom end of the fixing bar 73, a round bar 72 is fixedly installed at one end of the rotating bar 71 close to the turntable 53, and a convex block 532 is fixedly installed on the turntable 53; A round bar 74 is fixedly installed on the side wall of the side plate 75, a connecting groove is formed at one end of the rotating bar 71 close to the round bar 74, and the round bar 74 is inserted into the connecting groove; Wherein the round bar 72 is close to the turntable 53. When the turntable 53 rotates, the convex block 532 on the turntable 53 will contact the round bar 72. The convex block 532 is trapezoidal. As the turntable 53 rotates, the hypotenuse of the trapezoidal convex block 532 will contact the round bar 72 first, so that the round bar 72 moves away from the turntable 53. At this time, the round bar 72 will drive the rotating bar 71 to rotate. As the rotating bar 71 rotates, it will drive the round bar 74 to move through the connecting groove. At this time, the round bar 74 will drive the side plate 75, the upper pressing block 76 and the lower pressing block 77 to move, so that the upper pressing block 76 and the lower pressing block 77 move left and right. When the mesh plate 2 passes through between the upper pressing block 76 and the lower pressing block 77, since the discharge ports are several for discharging, the slurry coming out at this time is not fully covered above the mesh plate 2. Although it will be slowly fully covered as the slurry flows, the speed is slow and the coverage is likely to be incomplete. When the mesh plate 2 carries the slurry and reaches the upper pressing block 76 and the lower pressing block 77, at this time, as the upper pressing block 76 and the lower pressing block 77 move left and right reciprocally, the slurry will be coated left and right on the mesh plate 2, so that the coating is more comprehensive and the effect is better.

[0027] In another embodiment of the present invention: The groove 78 is triangular in shape; The groove 78 is used to store the excess slurry, and the groove 78 is set in a triangular shape. When the upper pressing block 76 and the lower pressing block 77 move back and forth left and right, the slurry moves left and right through the hypotenuse of the triangular groove 78, so as to be coated on the blank part of the screen plate 2, making the slurry coating more comprehensive.

[0028] A preparation method of a sulfur-resistant, water-resistant and high-temperature-resistant plate-type denitration catalyst, which is applicable to the above preparation system, includes the following steps: S1. Pour the sulfur-resistant, water-resistant and high-temperature-resistant catalyst slurry into the feeding cylinder 3; S2. Start the winding machine, and the winding machine winds the screen plate 2, so that the screen plate 2 moves in the casing 1 of the coater; S3. When the screen plate 2 passes under the feeding cylinder 3, the slurry in the feeding cylinder 3 will fall onto the screen plate 2 and flow to its lower part through the mesh holes on the screen plate 2; S4. While the screen plate 2 moves, the descending slurry will be blown to prevent it from falling off directly, so that it moves and covers under the screen plate 2.

[0029] Only some exemplary embodiments of the present invention have been described by way of illustration. Undoubtedly, for those of ordinary skill in the art, the described embodiments can be modified in various different ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A preparation system for a sulfur-resistant, water-resistant and high-temperature-resistant plate-type denitration catalyst, comprising a casing (1), and a feeding cylinder (3) and a connecting block (4) are fixedly installed inside the casing (1), characterized in that, Further included are: A screen plate (2), and the screen plate (2) penetrates the machine housing (1) in an inclined manner; A friction wheel (51), which is rotatably arranged on the side wall of the feeding cylinder (3) and is in contact with the screen plate (2); A turntable (53), on which a friction shaft (52) is coaxially and fixedly installed, and the friction shaft (52) is rotatably installed on the side wall of the feeding cylinder (3), and the friction wheel (51) and the friction shaft (52) are in contact with each other; A stirring rod (55); A bottom frame (58), which is arranged below the feeding cylinder (3), and the screen plate (2) passes through between the bottom frame (58) and the feeding cylinder (3); Blades (511), which are arranged inside the bottom frame (58); A connecting plate (56), one end of which is fixedly connected to the stirring rod (55), and a side block (61) is slidably installed at the other end of the connecting plate (56), and friction plates (62) are fixedly installed at both ends of the side block (61); When the screen plate (2) moves for conveying, it will drive the friction wheel (51) to rotate. At this time, the friction wheel (51) will drive the connecting plate (56) to reciprocate left and right through the turntable (53), so that the blades (511) blow air obliquely downward at the bottom side of the screen plate (2) and drive the stirring rod (55) to stir inside the feeding cylinder (3).

2. The preparation system of an anti-sulfur, anti-water and high-temperature resistant plate-type denitration catalyst according to claim 1, characterized in that, An annular corrugated groove (531) is arranged on the circumferential surface of the friction shaft (52), and a plug rod (54) is fixedly installed on the stirring rod (55).

3. The preparation system of a sulfur-resistant, water-resistant and high-temperature resistant plate-type denitration catalyst according to claim 1, characterized in that, The two friction plates (62) are respectively arranged at the upper and lower ends of the side block (61); A fixing block (64) is fixedly installed on the side block (61), and an intermediate block (63) is fixedly installed on the fixing block (64). At the same time, a through hole is formed on the side block (61) for placing the intermediate block (63); An annular channel is formed between the intermediate block (63) and the side block (61); A convex strip (65) is fixedly installed on the side wall of the bottom frame (58), and the convex strip (65) is inserted into the annular channel; A slider (66) is slidably installed at the end corner of the intermediate block (63), a spring (67) is fixedly installed between the slider (66) and the intermediate block (63), and an inclined side is arranged on the slider (66).

4. A preparation system for a sulfur-resistant, water-resistant and high-temperature-resistant plate-type denitration catalyst according to claim 3, characterized in that A connecting frame (59) is fixedly installed on the bottom frame (58), a rotating rod (510) is rotatably installed inside the connecting frame (59), and the blades (511) are fixedly installed on the rotating rod (510).

5. The preparation system of a sulfur-resistant, water-resistant and high-temperature-resistant plate-type denitration catalyst according to claim 1, characterized in that, Stirring blades (512) are fixedly installed on the stirring rod (55).

6. The preparation system of an anti-sulfur, anti-water and high-temperature resistant plate-type denitration catalyst according to claim 1, characterized in that, A upper pressing block (76) is slidably installed at the bottom end of the connecting block (4), a side plate (75) is fixedly installed on the side wall of the upper pressing block (76), and a lower pressing block (77) is fixedly installed on the side plate (75); Among them, the screen plate (2) passes through between the upper pressing block (76) and the lower pressing block (77).

7. A preparation system for a sulfur-resistant, water-resistant and high-temperature-resistant plate-type denitration catalyst according to claim 6, characterized in that, Grooves (78) are formed on both the upper pressing block (76) and the lower pressing block (77).

8. The preparation system of a sulfur-resistant, water-resistant and high-temperature-resistant plate-type denitration catalyst according to claim 6, characterized in that, A fixing strip (73) is fixedly installed on the connecting block (4), a rotating strip (71) is rotatably installed at the bottom end of the fixing strip (73), a round rod (72) is fixedly installed at the end of the rotating strip (71) close to the turntable (53), and a convex block (532) is fixedly installed on the turntable (53); A round bar (74) is fixedly installed on the side wall of the side plate (75). A connection groove is provided at one end of the rotating bar (71) close to the round bar (74), and the round bar (74) is inserted into the connection groove.

9. A preparation system for a sulfur-resistant, water-resistant and high-temperature-resistant plate-type denitration catalyst according to claim 7, characterized in that, The groove (78) is triangular in shape.

10. A preparation method of a sulfur-resistant, water-resistant and high-temperature-resistant plate-type denitration catalyst, which is applicable to the preparation system described in any one of claims 1-9, characterized in that, Comprising the following steps: S1. Pour the sulfur-resistant, water-resistant and high-temperature-resistant catalyst slurry into the feeding cylinder (3); S2. Start the winding machine, and the winding machine winds the winding mesh plate (2), so that the mesh plate (2) moves in the casing (1) of the coater; S3. When the mesh plate (2) passes below the feeding cylinder (3), the slurry in the feeding cylinder (3) will fall onto the mesh plate (2) and flow to its lower part through the mesh holes on the mesh plate (2); S4. As the mesh plate (2) moves, the falling slurry will be blown simultaneously to prevent it from falling off directly, so that it moves and covers below the mesh plate (2).

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