CN215049565U

CN215049565U - Reduction utilization device for waste red mud

Info

Publication number: CN215049565U
Application number: CN202121111637.XU
Authority: CN
Inventors: 朱军武; 刘旭; 张程; 沈俊荣; 华攀龙
Original assignee: Jiangsu Feng Ye Technology Environmental Protection Group Co ltd
Current assignee: Jiangsu Fengye Environmental Technology Group Co ltd
Priority date: 2021-05-21
Filing date: 2021-05-21
Publication date: 2021-12-07
Anticipated expiration: 2031-05-21

Abstract

The utility model belongs to the technical field of resource recycling, in particular to a reduction utilization device of waste red mud, which comprises a reduction furnace and a recovery chamber, wherein the top of the reduction furnace is fixedly connected with a rotating table, the rotating table is fixedly connected with a telescopic rod, the output end of the telescopic rod is fixedly connected with a stirring mechanism, the bottom of the reduction furnace is detachably connected with a bottom plate, a material guide table is arranged below the bottom plate, and the material guide table is fixedly connected with the reduction furnace; the bottom of guide platform links to each other with the pan feeding mouth of retrieving the room, be provided with transport mechanism in the retrieving room, transport mechanism and branch flitch down, it is on a parallel with retrieving the room bottom surface setting to go up transport mechanism, lower transport mechanism right side downward sloping sets up, the retrieving room is opened has top discharge mouth and bottom discharge mouth, it is the trident type to divide the flitch, its right side board stretches out the top discharge mouth, its left side board is located transport mechanism's top down, lower transport mechanism's end is provided with the stock guide, the stock guide other end stretches out the bottom discharge mouth. The utility model discloses novel structure, it is effectual to the recovery of abandonment red mud.

Description

Reduction utilization device for waste red mud

Technical Field

The utility model belongs to the technical field of resource recovery utilizes, specifically speaking especially relates to a reduction utilization device of abandonment red mud.

Background

The red mud is polluting waste residue discharged when aluminum oxide is extracted in the aluminum industry, and generally 1.0-2.0 tons of red mud are additionally generated when 1 ton of aluminum oxide is produced on average. As a large country for alumina production in China, the red mud discharged each year is up to millions of tons.

At present, at home and abroad, alumina factories mostly convey red mud to a yard, build a dam and store the red mud by a wet method, and return the solution for reuse by natural sedimentation and separation; the method can easily cause a large amount of waste alkali liquor to permeate into nearby farmlands, so that the soil is alkalized and swamped, and ground surface and underground water sources are polluted. Another common method is dry stockpiling of red mud after drying, dewatering and evaporating. The stacking method not only occupies a large amount of land, but also prevents a plurality of available components in the red mud from being reasonably utilized, thereby causing secondary waste of resources, and further making an urgent research on the comprehensive utilization of the red mud.

SUMMERY OF THE UTILITY MODEL

The utility model provides a to the not enough of prior art existence, the utility model provides a reduction of abandonment red mud utilizes device, and is effectual to the recycle of abandonment red mud.

The purpose of the utility model can be realized by the following technical scheme: the device for reducing and utilizing the waste red mud comprises a reduction furnace and a recovery chamber, wherein a rotating table is fixedly connected to the top of the reduction furnace, a telescopic rod is fixedly connected to the rotating table, a stirring mechanism is fixedly connected to the output end of the telescopic rod, a bottom plate is detachably connected to the bottom of the reduction furnace, a material guide table is arranged below the bottom plate, and the material guide table is fixedly connected with the reduction furnace;

the bottom of guide platform links to each other with the pan feeding mouth of retrieving the room, be provided with transport mechanism, lower transport mechanism and branch flitch in the recovery room, last transport mechanism is on a parallel with and retrieves the setting of room bottom surface, transport mechanism right side downward sloping sets up down, it has top discharge mouth and lower discharge gate to retrieve the room to open, it is the trident type to divide the flitch, and its right side board stretches out top discharge mouth, its left side board are located transport mechanism's top down, transport mechanism's end is provided with the stock guide down, the stock guide other end stretches out the bottom discharge mouth.

Furthermore, the stirring mechanism comprises a stirring shaft, a broken line type stirring rod is arranged on the stirring shaft, and a spiral stirring blade is fixedly connected to the stirring rod.

Further, the spiral directions of the adjacent stirring blades are opposite.

Further, go up transport mechanism and transport mechanism structure the same down, including the action wheel, follow driving wheel and conveyer belt, the action wheel all rotates with following the driving wheel and connects in retrieving the room, the action wheel passes through motor drive, the conveyer belt rotates under the action wheel with follow the drive of driving wheel.

Furthermore, the joint of the material distribution plate is arc-shaped.

The utility model has the advantages that:

1. the utility model discloses an in the reducing furnace be provided with rabbling mechanism, can break up the red mud of piling up the caking, because the rabbling mechanism can reciprocate the rotation under the effect of revolving stage and telescopic link, and the spiral direction of stirring leaf is opposite, such structure makes the stirring more thorough, thereby makes the reduction efficiency of the red mud in the reducing furnace increase;

2. the utility model discloses set up the recovery room, the inertia that the quality difference that utilizes different materials leads to is different to realize the preliminary classification of material, improved the rate of recovery of red mud.

Drawings

In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.

Fig. 1 is a schematic structural diagram of the present invention.

In the figure: 1. a reduction furnace; 2. a recovery chamber; 3. a rotating table; 4. a telescopic rod; 5. a stirring mechanism; 51. a stirring shaft; 52. a stirring rod; 53. stirring blades; 6. a base plate; 7. a material guide table; 8. an upper conveying mechanism; 81. a driving wheel; 82. a driven wheel; 83. a conveyor belt; 9. a lower transport mechanism; 10. a material distributing plate; 11. a feeding hole and a discharging hole; 12. a lower discharge hole; 13. a material guide plate.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings: as shown in fig. 1 of the attached drawings of the specification, the device for reducing and utilizing waste red mud comprises a reduction furnace 1 and a recovery chamber 2, wherein the top of the reduction furnace 1 is fixedly connected with a rotating platform 3, the rotating platform 3 is fixedly connected with an expansion rod 4, the output end of the expansion rod 4 is fixedly connected with a stirring mechanism 5, the bottom of the reduction furnace 1 is detachably connected with a bottom plate 6, a material guide platform 7 is arranged below the bottom plate 6, and the material guide platform 7 is fixedly connected with the reduction furnace 1;

the bottom of guide platform 7 links to each other with the pan feeding mouth of retrieving room 2, it has transport mechanism 8, transport mechanism 9 and branch flitch 10 to be provided with in retrieving room 2, it is on a parallel with the setting of retrieving room 2 bottom surfaces to go up transport mechanism 8, transport mechanism 9 right side downward sloping sets up down, it has upper discharge gate 11 and lower discharge gate 12 to retrieve room 2 to open, divide flitch 10 to be the trident type, and its right side board stretches out upper discharge gate 11, and its left side board is located transport mechanism 9's top down, transport mechanism 9's end is provided with stock guide 13 down, stock guide 13 other end stretches out lower discharge gate 12.

Further, the stirring mechanism 5 comprises a stirring shaft 51, a broken line type stirring rod 52 is arranged on the stirring shaft 51, and a spiral stirring blade 53 is fixedly connected to the stirring rod 52.

Further, the spiral directions of the adjacent stirring vanes 53 are opposite.

Further, go up transport mechanism 8 and transport mechanism 9 structure is the same down, including action wheel 81, follow driving wheel 82 and conveyer belt 83, action wheel 81 and follow driving wheel 82 all rotate to be connected in recovery room 2, action wheel 81 passes through motor drive, conveyer belt 83 rotates under action wheel 81 and the drive of following driving wheel 82.

Further, the joint of the material distributing plate 10 is arc-shaped.

The use principle is as follows:

the red mud enters a reduction furnace 1, a stirring mechanism 5 is arranged in the reduction furnace 1, and the stirring mechanism 5 rotates and moves up and down in the reduction furnace 1 under the action of a rotating table 3 and a telescopic rod 4. The stirring mechanism 5 comprises a stirring shaft 51, a broken line type stirring rod 52 is arranged on the stirring shaft 51, a spiral stirring blade 53 is fixedly connected to the stirring rod 52, and the spiral directions of the adjacent stirring blades 53 are opposite. The red mud piled up into lumps is sufficiently dispersed by the stirring mechanism 5 to be sufficiently reduced in the reduction furnace 1.

After the reduction is completed, the bottom plate 6 is opened, the reduced red mud enters the recovery chamber 2, as shown in fig. 1, the transmission direction is from left to right, the reduced red mud falls into the upper conveying mechanism 8, the difference of inertia force is caused because the weights of different products are different, so that a part of the products pass through the right side plate of the material distribution plate 10 and are thrown out of the recovery chamber 2 from the upper discharge port 11, the other part of the products slide into the lower conveying mechanism 9 from the left side plate of the material distribution plate 10 under the action of the material distribution plate 10, the conveying falls into the material guide plate 13 and is thrown out of the recovery chamber 2 from the lower discharge port 12, the recovery barrels are respectively placed at the upper discharge port 11 and the lower discharge port 12, and the primary classified collection of different materials can be realized.

The utility model discloses novel structure, it is effectual to the recovery of abandonment red mud.

The foregoing is merely exemplary and illustrative of the structure of the invention, and various modifications, additions and substitutions as described in the detailed description may be made by those skilled in the art without departing from the structure or exceeding the scope of the invention as defined in the claims.

Claims

1. The utility model provides a reduction of abandonment red mud utilizes device which characterized in that: the device comprises a reduction furnace and a recovery chamber, wherein a rotating table is fixedly connected to the top of the reduction furnace, a telescopic rod is fixedly connected to the rotating table, an output end of the telescopic rod is fixedly connected with a stirring mechanism, a bottom plate is detachably connected to the bottom of the reduction furnace, a material guide table is arranged below the bottom plate, and the material guide table is fixedly connected with the reduction furnace;

2. The device for reducing and utilizing waste red mud according to claim 1, wherein: the stirring mechanism comprises a stirring shaft, a broken line type stirring rod is arranged on the stirring shaft, and a spiral stirring blade is fixedly connected to the stirring rod.

3. The device for reducing and utilizing waste red mud according to claim 2, wherein: the spiral directions of the adjacent stirring blades are opposite.

4. The device for reducing and utilizing waste red mud according to claim 1, wherein: go up transport mechanism and lower transport mechanism structure the same, include the action wheel, follow driving wheel and conveyer belt, the action wheel all rotates to be connected in the room of retrieving from the driving wheel, the action wheel passes through motor drive, the conveyer belt rotates under the action wheel with follow the drive of driving wheel.

5. The device for reducing and utilizing waste red mud according to claim 1, wherein: the joint of the material distribution plate is arc-shaped.