Mixing device for preparing SCR (Selective Catalytic Reduction) denitration catalyst end hardening sol

Abstract

The utility model discloses a mixing device for preparing SCR (Selective Catalytic Reduction) denitration catalyst end hardening sol, which comprises a mixing tank, the middle part of the upper end of the mixing tank is fixedly connected with a supporting table, the upper end of the supporting table is fixedly provided with a driving device, and the output end of the driving device is in transmission connection with a bevel gear I; the lower end of the first bevel gear is fixedly connected with a connecting rod. According to the utility model, when raw materials for preparing the hardened sol at the end of the SCR denitration catalyst are gradually poured into the mixing tank from the feeding hourglass, the driving device is started, so that the feeding spiral blade rotates in the feeding barrel, the raw materials at the bottom of the mixing tank enter the feeding barrel from the feeding hole, and the raw materials are conveyed up by the feeding spiral blade, so that the raw materials are uniformly mixed; the first bevel gear drives the third bevel gear to rotate, the stirring frame stirs the conveyed raw materials, and the stirring frame and the feeding spiral blade are matched with each other to fully stir the raw materials in the mixing tank, so that the mixing efficiency of the equipment is improved, and the processing time is shortened.

Description

Technical Field

[0001] The utility model relates to the technical field of equipment for preparing a hardened sol at the end of an SCR denitration catalyst, in particular to a mixing device for preparing a hardened sol at the end of an SCR denitration catalyst. Background Art

[0002] SCR denitration catalyst end head hardening sol is a special sol specially used to improve the wear resistance and service life of the SCR denitration catalyst end head. The SCR denitration catalyst end head hardening sol is mainly produced by mixing aluminum sulfate solution, oxalic acid solution, ammonium metavanadate solution, etc., as well as an appropriate amount of additives such as polyvinyl alcohol. Therefore, a mixing device is required to mix the production raw materials when producing the SCR denitration catalyst end head hardening sol.

[0003] At present, most SCR denitration catalyst end hardening sol preparation devices add each raw material gradually when pouring the raw materials into the mixing equipment, so that the raw materials added first are at the bottom of the equipment and the raw materials added later are at the top of the equipment. When mixing, the existing equipment uses stirring blades to rotate in the equipment. When stirring with this method, the raw materials at the bottom cannot be quickly mixed with the raw materials at the top, resulting in a long stirring time, affecting the production efficiency of the equipment. Utility Model Content

[0004] The purpose of the utility model is to provide a mixing device for preparing a hardened sol for an SCR denitration catalyst end, so as to solve the problems raised in the above-mentioned background technology.

[0005] The transmission mechanism that this invention relates to is that this invention relates to a device for preparing a hardened sol at the end head of an SCR denitrification catalyst, comprising a mixing tank, wherein the middle part of the upper end of the mixing tank is fixedly connected to a support platform, the upper end of the support platform is fixedly installed with a driving device, the output end of the driving device is transmitted and connected to bevel gear 1, the lower end of the bevel gear 1 is fixedly connected to a connecting rod, one end of the connecting rod is fixedly connected to a feeding spiral blade, one side of the inner wall of the support platform is rotatably connected to bevel gear 2, one side of the outer surface of the bevel gear 2 is meshed with the outer surface of the bevel gear 1, the other side of the outer surface of the bevel gear 2 is meshed with bevel gear 3, the lower end of the bevel gear 3 is fixedly connected to a connecting pipe, the inner wall of the connecting pipe is rotatably connected to the outer surface of the connecting rod, one side of the outer surface of the connecting pipe is fixedly connected with multiple stirring frames, the inner bottom of the mixing tank is fixedly connected with a feeding barrel, and multiple feed inlets are penetrated on one side of the outer surface of the feeding barrel, and the feeding spiral blade is located inside the feeding barrel.

[0006] As a further preferred embodiment of the present technical solution, a rack ring is fixedly connected to one side of the inner wall of the mixing tank, a connecting block is fixedly connected to one side of each of the multiple stirring frames, a cleaning roller is rotatably connected to the lower ends of each of the multiple connecting blocks, a driven gear is fixedly connected to one end of each of the multiple cleaning rollers, and the outer surfaces of the driven gears are meshed with one side of the rack ring.

[0007] As a further preferred embodiment of the present technical solution, one end of each of the stirring frames is fixedly connected to a support frame, one side of the outer surface of each of the support frames is fixedly connected to a brush, and the other side of the outer surface of the loading barrel is rotatably connected to a support ring, and the outer surface of the support ring is fixedly connected to one end of each of the support frames.

[0008] As a further preferred embodiment of the present technical solution, a valve is fixedly installed at the output end of the loading cylinder.

[0009] As a further preferred embodiment of the present technical solution, a plurality of reinforcing ribs are fixedly connected to the middle portion of the lower end of the mixing tank, and one side of the plurality of reinforcing ribs is fixedly connected to the outer surface of the upper barrel.

[0010] As a further preferred embodiment of the present technical solution, a feeding hourglass is fixedly connected to one side of the upper end of the mixing tank.

[0011] The utility model provides a mixing device for preparing a hardened sol at the end of an SCR denitration catalyst, which has the following beneficial effects:

[0012] (1) The utility model gradually pours the raw materials prepared by the hardened sol of the SCR denitration catalyst end into the mixing tank from the feeding hourglass, turns on the driving device, and makes the feeding spiral blade rotate in the feeding barrel, so that the raw materials at the bottom of the mixing tank enter the feeding barrel from the feeding port, and the feeding spiral blade transports the raw materials up, and the bevel gear one drives the bevel gear three to rotate, and the stirring frame stirs the transported raw materials. The mutual cooperation between the stirring frame and the feeding spiral blade can fully stir the raw materials in the mixing tank, thereby improving the mixing efficiency of the equipment and shortening the processing time.

[0013] (2) The utility model discharges the produced SCR denitration catalyst end hardened sol from the mixing tank by rotating the valve and the feeding barrel. When the next production is carried out, clean water is added to the mixing tank, and then the driving device is turned on to rotate the stirring frame in the mixing tank. The rack ring is engaged with the driven gear, and the cleaning roller is rotated on the inner wall of the mixing tank to clean the raw materials on the surface of the mixing tank, thereby preventing the raw materials from remaining on the inner wall of the mixing tank and affecting the raw material ratio during the next production. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the internal structure of the mixing tank in the present invention;

[0016] Figure 3 for Figure 2 A partial enlarged schematic diagram of area A in the middle;

[0017] Figure 4 This is a schematic diagram of the connection between the stirring frame and the feeding spiral blade in the present invention;

[0018] Figure 5 for Figure 4 A partial enlarged schematic diagram of area B in the middle;

[0019] In the figure: 1. Mixing tank; 2. Feeding barrel; 3. Feeding hourglass; 4. Support platform; 5. Driving device; 6. Bevel gear 1; 7. Bevel gear 2; 8. Bevel gear 3; 9. Connecting rod; 10. Feeding spiral blade; 11. Feeding port; 12. Stirring frame; 13. Connecting pipe; 14. Rack ring; 15. Cleaning roller; 16. Valve; 17. Reinforcement rib; 18. Support frame; 19. Driven gear; 20. Connecting block; 21. Brush; 22. Support ring. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the accompanying drawings in the embodiments of the present invention.

[0021] The utility model provides a technical solution: Figure 1 - Figure 5As shown, in this embodiment, a mixing device for preparing a hardened sol at the end of an SCR denitration catalyst comprises a mixing tank 1, a support platform 4 is fixedly connected to the middle part of the upper end of the mixing tank 1, a driving device 5 is fixedly installed on the upper end of the supporting platform 4, the output end of the driving device 5 is transmission-connected to a bevel gear 1 6, the lower end of the bevel gear 1 6 is fixedly connected to a connecting rod 9, one end of the connecting rod 9 is fixedly connected to a feeding spiral blade 10, one side of the inner wall of the supporting platform 4 is rotatably connected to a bevel gear 2 7, one side of the outer surface of the bevel gear 2 7 is meshed with the outer surface of the bevel gear 1 6, the other side of the outer surface of the bevel gear 2 7 is meshed with a bevel gear 3 8, the lower end of the bevel gear 3 8 is fixedly connected to a connecting pipe 13, the inner wall of the connecting pipe 13 is rotatably connected to the outer surface of the connecting rod 9, and one side of the outer surface of the connecting pipe 13 is fixedly connected There are multiple stirring racks 12, and the inner bottom of the mixing tank 1 is fixedly connected to the feeding barrel 2. A plurality of feed ports 11 are opened on one side of the outer surface of the feeding barrel 2. The feeding spiral blade 10 is located inside the feeding barrel 2. When the raw materials prepared by the hardened sol of the SCR denitration catalyst end are gradually poured into the mixing tank 1 from the feeding hourglass 3, the driving device 5 is turned on to rotate the feeding spiral blade 10 in the feeding barrel 2, and the raw materials at the bottom of the mixing tank 1 enter the feeding barrel 2 from the feed port 11. The feeding spiral blade 10 transports the raw materials up, and the bevel gear 6 drives the bevel gear 3 8 to rotate, and the stirring rack 12 stirs the transported raw materials. The mutual cooperation between the stirring rack 12 and the feeding spiral blade 10 can fully stir the raw materials in the mixing tank 1, thereby improving the mixing efficiency of the equipment and shortening the processing time.

[0022] like Figure 2 - Figure 4 As shown, a rack ring 14 is fixedly connected to one side of the inner wall of the mixing tank 1, and a connecting block 20 is fixedly connected to one side of the multiple stirring frames 12. The lower ends of the multiple connecting blocks 20 are rotatably connected to cleaning rollers 15, and one end of the multiple cleaning rollers 15 is fixedly connected to a driven gear 19. The outer surfaces of the multiple driven gears 19 are meshed with one side of the rack ring 14. Through the structural design of the driven gear 19 and the rack ring 14, when the stirring frame 12 rotates, the cleaning roller 15 also rotates to clean the raw materials on the inner wall surface of the mixing tank 1.

[0023] like Figure 2 and Figure 4 As shown, one end of the multiple stirring frames 12 is fixedly connected to the support frame 18, one side of the outer surface of the multiple support frames 18 is fixedly connected to the brush 21, and the other side of the outer surface of the loading barrel 2 is rotatably connected to the support ring 22, and the outer surface of the support ring 22 is fixedly connected to one end of the multiple support frames 18. The structural design of the support ring 22 and the support frame 18 ensures the stability of the stirring frame 12 during rotation, and when the support frame 18 rotates, the brush 21 cleans the bottom of the mixing tank 1.

[0024] like Figure 2 and Figure 4 As shown, a valve 16 is fixedly installed at the output end of the feeding barrel 2. The structural design of the valve 16 facilitates the discharge of the SCR denitration catalyst end hardened sol produced in the mixing tank 1.

[0025] like Figure 2 and Figure 4 As shown, a plurality of reinforcing ribs 17 are fixedly connected to the middle part of the lower end of the mixing tank 1, and one side of the plurality of reinforcing ribs 17 is fixedly connected to the outer surface of the upper barrel 2. Through the structural design of the reinforcing ribs 17, the stability of the upper barrel 2 in the mixing tank 1 can be improved, and the service life of the equipment can be improved.

[0026] like Figure 1 and Figure 2 As shown, a feeding hourglass 3 is fixedly connected to one side of the upper end of the mixing tank 1. The structural design of the feeding hourglass 3 facilitates the pouring of production raw materials into the mixing tank 1 for mixing production.

[0027] The utility model provides a mixing device for preparing SCR denitration catalyst end hardening sol, and the specific working principle is as follows:

[0028] When producing the SCR denitration catalyst end hardening sol, first, the raw materials prepared by the SCR denitration catalyst end hardening sol are gradually poured into the mixing tank 1 from the feeding hourglass 3, and the driving device 5 is turned on to rotate the feeding spiral blade 10 in the feeding barrel 2, and the raw materials at the bottom of the mixing tank 1 enter the feeding barrel 2 from the feeding port 11. The feeding spiral blade 10 transports the raw materials up, and the bevel gear 1 6 drives the bevel gear 3 8 to rotate, and the stirring frame 12 stirs the transported raw materials. The stirring frame 12 and the feeding spiral blade 1 0 cooperate with each other to fully stir the raw materials in the mixing tank 1. After the mixing is completed, turn the valve 16, and the feeding barrel 2 will discharge the produced SCR denitration catalyst end hardened sol from the mixing tank 1. When the next production is carried out, add clean water to the mixing tank 1, and then turn on the driving device 5 to make the stirring frame 12 rotate in the mixing tank 1, and the rack ring 14 is engaged with the driven gear 19 to make the cleaning roller 15 rotate on the inner wall of the mixing tank 1 to clean the raw materials on the surface of the mixing tank 1, and then repeat the above operation to produce.

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

Claims

1. A mixing device for preparing a SCR denitration catalyst end hardening sol, comprising a mixing tank (1), characterized in that: The middle part of the upper end of the mixing tank (1) is fixedly connected to a support platform (4), the upper end of the support platform (4) is fixedly installed with a driving device (5), the output end of the driving device (5) is transmission-connected to a bevel gear (6), the lower end of the bevel gear (6) is fixedly connected to a connecting rod (9), one end of the connecting rod (9) is fixedly connected to a feeding spiral blade (10), one side of the inner wall of the support platform (4) is rotatably connected to a bevel gear (7), one side of the outer surface of the bevel gear (7) is meshed with the outer surface of the bevel gear (6), and the bevel gear (7) is fixedly connected to the outer surface of the bevel gear (6). The other side of the outer surface of gear 2 (7) is meshed with bevel gear 3 (8), the lower end of the bevel gear 3 (8) is fixedly connected to a connecting pipe (13), the inner wall of the connecting pipe (13) is rotatably connected to the outer surface of the connecting rod (9), one side of the outer surface of the connecting pipe (13) is fixedly connected to a plurality of stirring racks (12), the inner bottom of the mixing tank (1) is fixedly connected to a feeding barrel (2), a plurality of feed ports (11) are opened through one side of the outer surface of the feeding barrel (2), and the feeding spiral blade (10) is located inside the feeding barrel (2).

2. A mixing device for preparing a hardened sol for an SCR denitration catalyst tip according to claim 1, characterized in that: A rack ring (14) is fixedly connected to one side of the inner wall of the mixing tank (1), a plurality of the stirring frames (12) are fixedly connected to one side of a connecting block (20), a plurality of the lower ends of the connecting blocks (20) are rotatably connected to a cleaning roller (15), a plurality of the ends of the cleaning rollers (15) are fixedly connected to a driven gear (19), and the outer surfaces of the plurality of the driven gears (19) are meshed with one side of the rack ring (14).

3. The mixing device for preparing a SCR denitration catalyst end hardening sol according to claim 1, characterized in that: One end of each of the plurality of stirring frames (12) is fixedly connected to a support frame (18), one side of the outer surface of each of the plurality of support frames (18) is fixedly connected to a brush (21), and the other side of the outer surface of the loading barrel (2) is rotatably connected to a support ring (22), and the outer surface of the support ring (22) is fixedly connected to one end of each of the plurality of support frames (18).

4. The mixing device for preparing a SCR denitration catalyst end hardening sol according to claim 1, characterized in that: A valve (16) is fixedly installed at the output end of the loading cylinder (2).

5. The mixing device for preparing SCR denitration catalyst end hardening sol according to claim 1, characterized in that: A plurality of reinforcing ribs (17) are fixedly connected to the middle portion of the lower end of the mixing tank (1), and one side of the plurality of reinforcing ribs (17) is fixedly connected to the outer surface of the upper barrel (2).

6. The mixing device for preparing SCR denitration catalyst end hardening sol according to claim 1, characterized in that: One side of the upper end of the mixing tank (1) is fixedly connected to a feeding hourglass (3).

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