CN216987323U

CN216987323U - Stirring treatment device for reducing alkalinity of red mud by wastes

Info

Publication number: CN216987323U
Application number: CN202122098567.5U
Authority: CN
Inventors: 蒋芳; 陈扬; 冯钦忠; 龙宪林; 龙飞; 崔皓
Original assignee: Zhongkeboxi Environmental Technology Beijing Co ltd
Current assignee: Zhongkeboxi Environmental Technology Beijing Co ltd
Priority date: 2021-09-01
Filing date: 2021-09-01
Publication date: 2022-07-19
Anticipated expiration: 2031-09-01

Abstract

The utility model discloses a stirring treatment device for reducing the alkalinity of red mud in wastes, which comprises a stirring tank body and a support frame fixed at the bottom of the stirring tank body, wherein a top frame is fixedly arranged at the top of the stirring tank body, a rotating motor is fixedly arranged at the top of the top frame, a stirring shaft is fixedly connected to the output end of the rotating motor, penetrates through the top frame and extends into the stirring tank body, and a spiral stirring blade is fixedly sleeved on the stirring shaft in the stirring tank body. According to the stirring treatment device for reducing the alkalinity of the red mud in the waste, the functions of spiral stirring of the spiral stirring blades and vertical mixing of the mixed slurry can be realized only through the work of the rotating motor, so that the purposes of full stirring and mixing can be realized, the condition of uneven stirring is avoided, the stirring speed can be higher, and the stirring efficiency is greatly improved.

Description

Stirring treatment device for reducing alkalinity of red mud by wastes

Technical Field

The utility model relates to the technical field of waste treatment, in particular to a stirring treatment device for reducing the alkalinity of red mud in waste.

Background

The red mud is industrial solid waste generated in the industrial production process of alumina, and seriously threatens surrounding residents and environmental safety, so the alkalinity of the red mud in the waste needs to be reduced. For example, CN109530392B, the prior art, discloses a method for reducing the alkalinity of red mud by using industrial wastes, comprising the following steps: (1) mixing the filtered ammonia nitrogen wastewater with the red mud, and stirring to obtain red mud slurry; wherein the mass ratio of the ammonia nitrogen wastewater to the red mud is 2-4: 1; (2) settling the red mud obtained in the step 1), and performing solid-liquid separation to obtain filtrate and filter residue; (3) adding the crushed phosphogypsum into the filter residue obtained in the step 3), then adding water, and cultivating at room temperature to obtain low-alkali red mud; wherein the mass ratio of the phosphogypsum to the filter residue is 1-5: 100. The method has the characteristics of simple process and low cost, can treat the Bayer process red mud on a large scale, can recycle the treated red mud and rebuild the vegetation in the yard, and generates good social benefit and economic benefit.

However, in the prior art, when the stirring treatment for reducing the alkalinity of the red mud is performed on the waste, a single stirring mechanism is usually adopted, so that the stirring speed is relatively slow, the stirring efficiency is low, the sufficient stirring is not easy to perform, and the non-uniformity condition is easy to occur after the stirring; therefore, the utility model provides a stirring treatment device for reducing the alkalinity of red mud in waste to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art, and provides a stirring treatment device for reducing the alkalinity of red mud in waste.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a stirring treatment device for reducing the alkalinity of red mud by wastes comprises a stirring tank body and a support frame fixed at the bottom of the stirring tank body, wherein a top frame is fixedly installed at the top of the stirring tank body, a rotating motor is fixedly installed at the top of the top frame, a stirring shaft is fixedly connected to the output end of the rotating motor, penetrates through the top frame and extends into the stirring tank body, and a spiral stirring blade is fixedly sleeved on the stirring shaft in the stirring tank body;

it has first bevel gear to fix the cover on the (mixing) shaft that is located the roof-rack, the outside meshing of first bevel gear has a plurality of second bevel gears, the outside fixed connection of second bevel gear has the pivot, it has a plurality of rotating bracket still to fix on the top inner wall of roof-rack, and the one end that the second bevel gear was kept away from in the pivot rotates outside and the fixedly connected with L shape bull stick that runs through to rotating bracket, it has the rotation connecting rod to rotate to have cup jointed on the L shape bull stick, the bottom of rotating the connecting rod rotates and is connected with the lifter, and the lifter slides along vertical direction and runs through to the agitator tank internal, be located fixed mounting on the lifter of agitator tank internal has a plurality of muddy ground paste, and the muddy ground paste is located spiral stirring vane's the outside.

Preferably, the plurality of second bevel gears are uniformly arranged on the outer side of the first bevel gear in an annular shape based on the stirring shaft as a center.

Preferably, the top of the left side of the stirring tank body is provided with a feeding port, and the bottom of the stirring tank body is provided with a discharging port.

Preferably, a seal bearing is fixedly installed at the center of the inner wall of the top of the stirring tank body, and the stirring shaft is installed on the seal bearing in a seal rotating mode.

Preferably, still fixed the having cup jointed sealed sliding sleeve on the top inner wall of the agitator tank body, and the lifter runs through in sealed sliding sleeve along the sealed slip of vertical direction.

Preferably, the rotating bracket is fixedly sleeved with a supporting bearing, and the rotating shaft is rotatably mounted on the supporting bearing.

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, the stirring shaft is driven to rotate by the output end of the rotating motor, and the spiral stirring blade is driven to rotate when the stirring shaft rotates, so that the raw materials between the ammonia nitrogen wastewater and the red mud can be stirred spirally through the rotation work of the spiral stirring blade, and the raw materials in the stirring tank can be conveyed and mixed from the bottom layer to the upper layer, thereby realizing the exchange mixing of the raw materials between different layers;

meanwhile, the stirring shaft is meshed with the second bevel gear for transmission through the first bevel gear when rotating, so that the rotating shaft and the L-shaped rotating rod are driven to rotate, the lifting rod is driven to move up and down through the rotating connecting rod when the L-shaped rotating rod rotates, and the mixed slurry is driven to move up and down when the lifting rod moves up and down, so that the raw materials can be further exchanged and mixed up and down through the up and down movement of the mixed slurry, the flowability of the raw materials at different positions can be further promoted, the raw materials between the ammonia nitrogen wastewater and the red mud can be further fully mixed, the limitation of a single stirring mechanism adopted in the stirring treatment of reducing the alkalinity of the red mud in the prior art is avoided, the stirring speed can be higher, and the stirring efficiency is greatly improved;

in conclusion, the stirring treatment device for reducing the red mud alkalinity of the waste can realize the functions of spiral stirring of the spiral stirring blades and vertical mixing of the mixed slurry only through the work of the rotating motor, so that the purpose of full stirring and mixing can be realized, the condition of uneven stirring is avoided, the stirring speed can be higher, and the stirring efficiency is greatly improved.

Drawings

FIG. 1 is a schematic structural diagram of a stirring treatment device for reducing the alkalinity of red mud in waste according to the present invention;

FIG. 2 is a schematic top view of the mixing shaft, the first bevel gear, the second bevel gear and the rotating shaft of the present invention;

fig. 3 is a schematic diagram of the present invention with a part enlarged in detail.

In the figure: 1. a stirring tank body; 2. a top frame; 3. a rotating electric machine; 4. a stirring shaft; 5. a helical mixing blade; 6. a first bevel gear; 7. a second bevel gear; 8. a rotating shaft; 9. an L-shaped rotating rod; 10. rotating the connecting rod; 11. a lifting rod; 12. mixing the slurry; 13. rotating the bracket; 14. a feed inlet; 15. sealing the sliding sleeve; 16. sealing the bearing; 17. a discharge port; 18. a support frame; 19. and supporting the bearing.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-3, a stirring treatment device for reducing the alkalinity of red mud in wastes comprises a stirring tank body 1 and a support frame 18 fixed at the bottom of the stirring tank body 1, wherein a top frame 2 is fixedly installed at the top of the stirring tank body 1, a rotating motor 3 is fixedly installed at the top of the top frame 2, a stirring shaft 4 is fixedly connected to the output end of the rotating motor 3, the stirring shaft 4 penetrates through the top frame 2 and extends into the stirring tank body 1, and a spiral stirring blade 5 is fixedly sleeved on the stirring shaft 4 positioned in the stirring tank body 1;

a first bevel gear 6 is fixedly sleeved on a stirring shaft 4 positioned in the top frame 2, a plurality of second bevel gears 7 are meshed on the outer side of the first bevel gear 6, a rotating shaft 8 is fixedly connected on the outer side of each second bevel gear 7, a plurality of rotating supports 13 are further fixedly mounted on the inner wall of the top frame 2, one end, far away from the second bevel gears 7, of the rotating shaft 8 rotates to penetrate through the outer side of each rotating support 13 and is fixedly connected with an L-shaped rotating rod 9, a rotating connecting rod 10 is rotatably sleeved on each L-shaped rotating rod 9, the bottom of each rotating connecting rod 10 is rotatably connected with a lifting rod 11, each lifting rod 11 slides in the vertical direction to penetrate through the stirring tank body 1, a plurality of mixed slurry 12 is fixedly mounted on each lifting rod 11 positioned in the stirring tank body 1, and the mixed slurry 12 is positioned on the outer side of the spiral stirring blades 5. According to the stirring treatment device for reducing the alkalinity of the red mud in the waste, the functions of spiral stirring of the spiral stirring blades 5 and vertical mixing of the mixed slurry 12 can be realized only by the operation of the rotary motor 3, so that the purposes of full stirring and mixing can be realized, the condition of uneven stirring is avoided, the stirring speed can be higher, and the stirring efficiency is greatly improved.

In this example, a plurality of second bevel gears 7 are uniformly arranged annularly on the outer side of the first bevel gear 6 centering on the stirring shaft 4.

In this example, the top of the left side of the stirring tank body 1 is provided with a feed inlet 14, and the bottom of the stirring tank body 1 is provided with a discharge outlet 17.

In the present example, a sealed bearing 16 is fixedly installed at the center of the inner wall of the top of the stirring tank body 1, and the stirring shaft 4 is hermetically and rotatably installed on the sealed bearing 16; a sealing sliding sleeve 15 is fixedly sleeved on the inner wall of the top of the stirring tank body 1, and the lifting rod 11 penetrates through the sealing sliding sleeve 15 in a sealing sliding manner along the vertical direction; and a support bearing 19 is fixedly sleeved on the rotating support 13, and the rotating shaft 8 is rotatably arranged on the support bearing 19.

The working principle is as follows: when ammonia nitrogen wastewater, red mud and other raw materials need to be stirred in the process of reducing the alkalinity of the red mud, the output end of the rotating motor 3 drives the stirring shaft 4 to rotate, and the stirring shaft 4 drives the spiral stirring blade 5 to rotate when rotating, so that the raw materials between the ammonia nitrogen wastewater and the red mud can be stirred spirally through the rotation of the spiral stirring blade 5, the raw materials in the stirring tank body 1 can be conveyed and mixed from the bottom layer to the upper layer, and further the exchange and mixing of the raw materials between different layers are realized; meanwhile, the stirring shaft 4 is in meshing transmission with the second bevel gear 7 through the first bevel gear 6 when rotating, so as to drive the rotating shaft 8 and the L-shaped rotating rod 9 to rotate, the L-shaped rotating rod 9 drives the lifting rod 11 to move up and down through the rotating connecting rod 10 when rotating, and the lifting rod 11 drives the mixed slurry 12 to move up and down when moving up and down, so that the raw materials can be further exchanged and mixed up and down through the up and down movement of the mixed slurry 12, the fluidity of the raw materials at different positions can be further promoted, the raw materials between the ammonia nitrogen wastewater and the red mud can be further fully mixed, the limitation of a single stirring mechanism adopted by the prior art when the stirring treatment for reducing the alkalinity of the red mud is carried out on the wastes is avoided, the stirring speed can be faster, the stirring efficiency is greatly improved, and the functions of spiral stirring of the spiral stirring blade 5 and the up and down mixing of the mixed slurry 12 can be realized only through the work of the rotating motor 3, therefore, the purpose of stirring and mixing can be fully realized, and the condition of uneven stirring is avoided.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. A stirring treatment device for reducing the alkalinity of red mud by wastes comprises a stirring tank body (1) and a support frame (18) fixed at the bottom of the stirring tank body (1), and is characterized in that a top frame (2) is fixedly installed at the top of the stirring tank body (1), a rotating motor (3) is fixedly installed at the top of the top frame (2), a stirring shaft (4) is fixedly connected to the output end of the rotating motor (3), the stirring shaft (4) penetrates through the top frame (2) and extends into the stirring tank body (1), and a spiral stirring blade (5) is fixedly sleeved on the stirring shaft (4) in the stirring tank body (1);

a first bevel gear (6) is fixedly sleeved on a stirring shaft (4) positioned in the top frame (2), a plurality of second bevel gears (7) are meshed with the outer side of the first bevel gear (6), a rotating shaft (8) is fixedly connected with the outer side of each second bevel gear (7), a plurality of rotating supports (13) are further fixedly installed on the inner wall of the top frame (2), and one end of the rotating shaft (8) far away from the second bevel gear (7) rotates and penetrates to the outer side of the rotating bracket (13) and is fixedly connected with an L-shaped rotating rod (9), a rotating connecting rod (10) is rotatably sleeved on the L-shaped rotating rod (9), the bottom of the rotating connecting rod (10) is rotatably connected with a lifting rod (11), and the lifting rod (11) penetrates into the stirring tank body (1) in a sliding manner along the vertical direction, a plurality of mixed slurry (12) are fixedly mounted on the lifting rod (11) positioned in the stirring tank body (1), and the mixed slurry (12) is positioned on the outer side of the spiral stirring blade (5).

2. The stirring treatment device for reducing the red mud alkalinity of the wastes according to claim 1, wherein a plurality of second bevel gears (7) are uniformly arranged outside the first bevel gears (6) in a ring shape based on the stirring shaft (4) as a center.

3. The stirring treatment device for reducing the alkalinity of the red mud in the waste according to claim 1, wherein a feeding port (14) is arranged at the top of the left side of the stirring tank body (1), and a discharging port (17) is arranged at the bottom of the stirring tank body (1).

4. The stirring treatment device for reducing the alkalinity of the red mud in the waste according to claim 1, wherein a sealing bearing (16) is fixedly arranged at the center of the inner wall of the top of the stirring tank body (1), and the stirring shaft (4) is rotatably arranged on the sealing bearing (16) in a sealing manner.

5. The stirring treatment device for reducing the alkalinity of the red mud by the waste according to claim 1, wherein a sealing sliding sleeve (15) is further fixedly sleeved on the inner wall of the top of the stirring tank body (1), and the lifting rod (11) penetrates through the sealing sliding sleeve (15) in a sealing and sliding manner along the vertical direction.

6. The stirring treatment device for reducing the alkalinity of red mud by wastes according to claim 1, wherein a support bearing (19) is fixedly sleeved on the rotating bracket (13), and the rotating shaft (8) is rotatably installed on the support bearing (19).