Automatic SCR (Selective Catalytic Reduction) denitration catalyst drying and calcining device

Abstract

The utility model discloses an automatic SCR (Selective Catalytic Reduction) denitration catalyst drying and calcining device which comprises an equipment base and a calcining box, the calcining box is arranged above the equipment base, and a stirring type hardening-preventing calcining structure is arranged on the calcining box; the utility model relates to the technical field of catalyst production equipment, in particular to a stirring type hardening-preventing calcining structure which comprises a calcining cavity, a material conveying belt, a calcining furnace, a plurality of conveying pipes, a plurality of calcining nozzles, a mounting plate and a plurality of reciprocating stirring assemblies. The problems that the surface of the catalyst is directly calcined at high temperature, materials are stacked together, the catalyst in the catalyst cannot be calcined and cannot be uniformly calcined in all directions, and the catalyst on the surface is easily hardened into blocks due to long-time high temperature, so that the quality of the catalyst is influenced, and the subsequent treatment is inconvenient are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of catalyst production equipment, in particular to an automatic SCR denitration catalyst drying and calcining device. Background Art

[0002] Denitrification catalyst is a technology used to reduce the emission of nitrogen oxides in flue gas. It is widely used in the SCR denitrification system of power plants. It is a substance that prompts the reducing agent to selectively react chemically with nitrogen oxides in the flue gas at a certain temperature. During the calcination process, the existing catalyst calcination equipment directly calcines the surface of the catalyst at high temperature. Since the materials are piled together, the internal catalyst cannot be calcined, and calcination cannot be performed uniformly in all directions. In addition, the catalyst on the surface is easily agglomerated due to long-term exposure to high temperature, which affects the quality of the catalyst and is inconvenient for subsequent processing. Utility Model Content

[0003] To achieve the above objectives, the utility model is implemented through the following technical solutions: an automated SCR denitration catalyst drying and calcining device, comprising: an equipment base and a calcining box, the calcining box is installed above the equipment base, and a toggle-type anti-caking calcining structure is installed on the calcining box;

[0004] The toggle type anti-caking calcining structure comprises: a calcining chamber, a material conveying belt, a calcining furnace, a plurality of conveying pipes, a plurality of calcining nozzles, a mounting plate and a plurality of reciprocating toggle components;

[0005] The calcining chamber is opened inside the calcining box, the material conveyor belt is installed on the equipment base, the middle position of the material conveyor belt is located inside the calcining box, the calcining furnace is installed on the upper wall of the calcining box, the upper ends of several conveying pipes are installed on the calcining furnace, the lower ends of several conveying pipes penetrate and extend into the calcining chamber, several calcining nozzles are installed on the lower ends of several conveying pipes, the mounting plate is installed on the inner wall of the calcining chamber, and several reciprocating toggle components are installed on the mounting plate.

[0006] Preferably, feed ports are provided on the two side walls of the calcining box.

[0007] Preferably, exhaust grilles are provided on the front and rear walls of the calcining box.

[0008] Preferably, the mounting plate is mounted on the inner wall surface of the calcining chamber by fixing bolts.

[0009] Preferably, one of the plurality of reciprocating toggle assemblies comprises: a pair of fixed seats, a double-output end telescopic rod, a pair of moving grooves, two pairs of moving rods, a pair of fixed rods, a plurality of toggle rods and a pair of connecting rods;

[0010] A pair of fixed seats are installed on the wall surface of the mounting plate, the double output end telescopic rods are installed on the pair of fixed seats, a pair of movable grooves are mounted on the mounting plate, two pairs of movable rods are movably embedded in the pair of movable grooves, a pair of fixed rods are installed at the lower ends of the two pairs of movable rods, a plurality of toggle rods are installed on the lower wall surface of the pair of fixed rods, one end of a pair of connecting rods is installed on the double output end telescopic rods, and the other end of a pair of connecting rods is installed on two of the two pairs of movable rods.

[0011] Preferably, the two pairs of moving rods are mounted on the moving grooves via sliding blocks.

[0012] Beneficial Effects

[0013] The utility model provides an automated SCR denitration catalyst drying and calcining device, which has the following beneficial effects: the scheme uses a toggle-type anti-caking calcining structure, which toggles the material while the catalyst is calcining through a mechanical structure, so that the catalyst is evenly calcined to ensure uniformity, while preventing the catalyst from agglomerating to ensure the quality of the catalyst, and solves the problem that the existing catalyst calcining equipment directly calcines the surface of the catalyst at high temperature during the calcination process, and the internal catalyst cannot be calcined due to the accumulation of materials, and calcination cannot be performed in all directions. The catalyst on the surface is easily agglomerated due to long-term exposure to high temperature, which affects the quality of the catalyst and is inconvenient for subsequent processing. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the front and cross-sectional structure of an automated SCR denitration catalyst drying and calcining device described in the utility model.

[0015] Figure 2 This is a schematic diagram of the structure of a reciprocating toggle assembly of an automated SCR denitration catalyst drying and calcining device described in the utility model.

[0016] Figure 3 It is a schematic diagram of a partially enlarged front view of a sectional view of an automated SCR denitration catalyst drying and calcining device described in the utility model.

[0017] In the figure: 1-equipment base; 2-calcining box; 3-calcining chamber; 4-material conveyor belt; 5-calcining furnace; 6-conveying pipe; 7-calcining nozzle; 8-mounting plate; 9-exhaust grille; 10-fixing bolt; 11-fixing seat; 12-double output end telescopic rod; 13-moving groove; 14-moving rod; 15-fixing rod; 16-sliding rod; 17-connecting rod; 18-sliding block. DETAILED DESCRIPTION

[0018] Based on the embodiments of the present utility model, all other embodiments obtained by ordinary technicians in the field without making any creative work shall fall within the scope of protection of the present utility model.

[0019] Example: See Figure 1-3 The utility model provides a technical solution: an automated SCR denitration catalyst drying and calcining device. This solution takes into account that the traditional catalyst calcining equipment cannot turn over the catalyst during the calcination process, which makes the catalyst calcined unevenly, and the external materials are easy to agglomerate into blocks. Based on the above content, this case sets the following technical means;

[0020] Specifically, the device at least includes an equipment base 1, a calcining box 2, a calcining chamber 3, a material conveyor belt 4, a calcining furnace 5, a plurality of conveying pipes 6, a plurality of calcining nozzles 7, a mounting plate 8 and a plurality of reciprocating toggle components;

[0021] The reciprocating toggle assembly includes: a pair of fixed seats 11, a double output end telescopic rod 12, a pair of moving grooves 13, two pairs of moving rods 14, a pair of fixed rods 15, a plurality of toggle rods 16 and a pair of connecting rods 17;

[0022] The equipment base 1 supports the upper equipment as a whole, the material conveyor belt 4 drives the catalyst into the calcination box 2 installed above the equipment base 1, the calcination furnace 5 installed above the calcination box 2 is started to cooperate with the conveying pipe 6 and the calcination nozzle 7 to calcine the catalyst conveyed by the material conveyor belt 4, and while calcining, the double-output end telescopic rod 12 installed on the mounting plate 8 through the fixed seat 11 starts the output end to reciprocate, and the double-output end telescopic rod 12 drives the moving rod 14 to move back and forth in the moving groove 13 through the connecting rod 17, and the moving rod 14 cooperates with the fixed rod 15 to drive the toggle rod 16 to move back and forth, so that the catalyst is turned over by the toggle rod 16 to ensure uniform calcination.

[0023] More specifically, the calcining chamber 3 is opened inside the calcining box 2, the material conveyor belt 4 is installed on the equipment base 1, the middle position of the material conveyor belt 4 is located inside the calcining box 2, the calcining furnace 5 is installed on the upper wall of the calcining box 2, the upper ends of a plurality of conveying pipes 6 are installed on the calcining furnace 5, the lower ends of a plurality of conveying pipes 6 penetrate and extend into the calcining chamber 3, a plurality of calcining nozzles 7 are installed at the lower ends of a plurality of conveying pipes 6, a mounting plate 8 is installed on the inner wall of the calcining chamber 3, and a plurality of reciprocating toggle assemblies are installed on the mounting plate 8;

[0024] A pair of fixed seats 11 are installed on the upper wall of the mounting plate 8, a double output end telescopic rod 12 is installed on a pair of fixed seats 11, a pair of movable grooves 13 are connected to the mounting plate 8, two pairs of movable rods 14 are movably embedded in the pair of movable grooves 13, a pair of fixed rods 15 are installed at the lower ends of the two pairs of movable rods 14, a plurality of toggle rods 16 are installed on the lower wall of the pair of fixed rods 15, one end of a pair of connecting rods 17 is installed on the double output end telescopic rod 12, and the other end of a pair of connecting rods 17 is installed on two of the two pairs of movable rods 14.

[0025] In the specific implementation process, further, feeding ports are opened on the two side walls of the calcining box 2.

[0026] In the specific implementation process, further, exhaust grilles 9 are provided on the front and rear walls of the calcining box 2 .

[0027] In the specific implementation process, further, the mounting plate 8 is mounted on the inner wall surface of the calcining chamber 3 by means of fixing bolts 10 .

[0028] In the specific implementation process, further, two pairs of moving rods 14 are installed on the moving grooves 13 through sliding blocks 18 .

[0029] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An automated SCR denitration catalyst drying and calcining device, comprising: The device base (1) and the calcining box (2) are characterized in that the calcining box (2) is installed above the device base (1), and a toggle-type anti-caking calcining structure is installed on the calcining box (2); The toggle-type anti-caking calcining structure comprises: a calcining chamber (3), a material conveying belt (4), a calcining furnace (5), a plurality of conveying pipes (6), a plurality of calcining nozzles (7), a mounting plate (8) and a plurality of reciprocating toggle components; A calcining chamber (3) is provided inside a calcining box (2), a material conveying belt (4) is mounted on an equipment base (1), a middle position of the material conveying belt (4) is located inside the calcining box (2), a calcining furnace (5) is mounted on an upper wall surface of the calcining box (2), upper ends of a plurality of conveying pipes (6) are mounted on the calcining furnace (5), lower ends of a plurality of conveying pipes (6) penetrate and extend into the calcining chamber (3), a plurality of calcining nozzles (7) are mounted on the lower ends of the plurality of conveying pipes (6), a mounting plate (8) is mounted on an inner wall surface of the calcining chamber (3), and a plurality of reciprocating toggle assemblies are mounted on the mounting plate (8).

2. The automatic SCR denitration catalyst drying and calcining device according to claim 1 is characterized in that: Feeding ports are provided on the two side walls of the calcining box (2).

3. The automatic SCR denitration catalyst drying and calcining device according to claim 1 is characterized in that: Exhaust grilles (9) are provided on the front and rear walls of the calcining box (2).

4. The automatic SCR denitration catalyst drying and calcining device according to claim 1 is characterized in that: The mounting plate (8) is mounted on the inner wall surface of the calcining chamber (3) via fixing bolts (10).

5. The automatic SCR denitration catalyst drying and calcining device according to claim 1 is characterized in that: One of the plurality of reciprocating toggle assemblies comprises: a pair of fixed seats (11), a double output end telescopic rod (12), a pair of moving grooves (13), two pairs of moving rods (14), a pair of fixed rods (15), a plurality of toggle rods (16) and a pair of connecting rods (17); A pair of fixed seats (11) are mounted on the upper wall of a mounting plate (8); a double output end telescopic rod (12) is mounted on the pair of fixed seats (11); a pair of movable grooves (13) are inserted into the mounting plate (8); two pairs of movable rods (14) are movably embedded in the pair of movable grooves (13); a pair of fixed rods (15) are mounted on the lower ends of the two pairs of movable rods (14); a plurality of toggle rods (16) are mounted on the lower wall of the pair of fixed rods (15); one end of a pair of connecting rods (17) is mounted on the double output end telescopic rod (12); and the other end of the pair of connecting rods (17) is mounted on two of the two pairs of movable rods (14).

6. The automatic SCR denitration catalyst drying and calcining device according to claim 5, characterized in that: Two pairs of moving rods (14) are installed on the moving groove (13) through sliding blocks (18).

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