CN219194794U

CN219194794U - Metallurgical sludge environment-friendly treatment device

Info

Publication number: CN219194794U
Application number: CN202320198135.8U
Authority: CN
Inventors: 王方军; 王文虎; 王蒙; 党东红
Original assignee: Henan Jiyuan Iron & Steel Group Co ltd
Current assignee: Henan Jiyuan Iron & Steel Group Co ltd
Priority date: 2023-02-13
Filing date: 2023-02-13
Publication date: 2023-06-16
Anticipated expiration: 2033-02-13

Abstract

The utility model discloses an environment-friendly metallurgical sludge treatment device which comprises a sludge tank with an inlet at the upper end and a conveying mechanism, wherein one side of the sludge tank is communicated with a first pipeline, the other side of the sludge tank is communicated with a sewage drain pipe, valves are arranged on the sewage drain pipe and the first pipeline, and the sewage drain pipe is communicated with a centrifugal machine. The metallurgical sludge environment-friendly treatment device can reduce the water content of the sludge slurry when treating the sludge slurry generated by the dust removal of the steelmaking OG method, so that the sludge slurry can directly participate in sintering ingredients, and the secondary utilization of the sludge slurry is realized.

Description

Metallurgical sludge environment-friendly treatment device

Technical Field

The utility model relates to the technical field of sludge treatment, in particular to an environment-friendly metallurgical sludge treatment device.

Background

When steel works make steel, usually the OG method is adopted for dust removal treatment, the OG method is adopted for dust removal and precipitation is carried out to obtain sludge slurry, the sludge slurry contains beneficial elements such as iron, and various beneficial elements in the sludge slurry after treatment can be reused.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides an environment-friendly metallurgical sludge treatment device which can reduce the water content of sludge slurry after solid-liquid separation.

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the metallurgical sludge environment-friendly treatment device comprises a sludge tank with an inlet at the upper end and a conveying mechanism, wherein one side of the sludge tank is communicated with a first pipeline, the other side of the sludge tank is communicated with a sewage drain pipe, valves are arranged on the sewage drain pipe and the first pipeline, the sewage drain pipe is communicated with a centrifugal machine, a water outlet of the centrifugal machine is connected with a collecting box through a pipeline, and the outer side of the collecting box is connected with a water pump through a pipeline;

the discharging port of the centrifugal machine is connected with a drying mechanism through a pipeline, a discharging pipe is arranged on the drying mechanism, and the discharging pipe extends to the upper part of the conveying mechanism.

Preferably, the drying mechanism comprises a cylinder and a drying cylinder arranged in the cylinder, two ends of the drying cylinder are respectively fixed at two inner sides of the cylinder, a discharge port of the centrifugal machine is communicated with the drying cylinder through a pipeline, auger blades are arranged in the drying cylinder, a first motor is arranged at the outer side of the drying cylinder, and the shaft ends of the first motor penetrate through the cylinder and the drying cylinder and are fixedly connected with the auger blades.

Preferably, the bottom of the sludge tank is vertically fixed with a second motor, the shaft end of the second motor extends into the sludge tank to be fixedly connected with a transmission column, and the transmission column is provided with an agitating rod positioned below the first pipeline.

Preferably, the drain pipe is flush with the bottom of the sludge tank, and the lower side of the stirring rod is in contact with the interior of the sludge tank.

Preferably, the conveying mechanism adopts a belt conveyor, guard plates are arranged on two sides of the belt conveyor, a U-shaped pushing plate with an opening facing the discharge pipe is arranged between the two guard plates, and a sludge moisture detector positioned right above the conveying mechanism is arranged on the pushing plate.

Preferably, the stirring rods are provided with a plurality of groups, and the intervals between the stirring rods of each group are equal.

Preferably, the valve adopts a one-way valve.

The utility model provides an environment-friendly metallurgical sludge treatment device, which has the following beneficial effects:

this metallurgical sludge environmental protection processing apparatus, when handling the produced mud of steelmaking OG method dust removal, accessible first pipeline is realized using gas or water to carry mud to centrifuge in as the carrier to can with the waste water reutilization that centrifuge separated out, the mud after centrifuge solid-liquid separation carries in the stoving mechanism can reduce the water content of mud, so that mud can directly participate in sintering batching, thereby realize the reutilization of mud.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic diagram of a cross-sectional structure of the sludge tank of the present utility model;

FIG. 3 is a schematic cross-sectional view of a drying mechanism according to the present utility model;

FIG. 4 is a schematic top view of the conveyor mechanism of the present utility model;

FIG. 5 is a schematic top view of the sludge tank of the present utility model.

In the figure: 1. a sludge tank; 2. a conveying mechanism; 3. a first pipe; 4. a blow-down pipe; 5. a valve; 6. a centrifuge; 7. a collection box; 8. a water pump; 9. a discharge pipe; 10. a cylinder; 11. a drying cylinder; 12. auger blades; 13. a first motor; 14. a second motor; 15. a drive column; 16. an agitating rod; 17. a guard board; 18. pushing the flat plate; 19. a sludge moisture detector; 20. and (5) heating wires.

Detailed Description

The utility model is further described below in connection with specific embodiments, as shown in fig. 1 to 5:

example 1: the utility model provides a metallurgical sludge environmental protection processing apparatus, including mud jar 1 and conveying mechanism 2 that the upper end was equipped with the import, the import of mud jar 1 top is convenient to be discharged mud into mud jar 1, one side intercommunication of mud jar 1 has first pipeline 3, first pipeline 3 can be with mill's air supply or water source intercommunication, the convenience takes gas or water to carry out the mud in the mud jar 1 as the carrier, the opposite side intercommunication of mud jar 1 has blow off pipe 4, blow off pipe 4 intercommunication has centrifuge 6, the convenience is carried mud into centrifuge 6 through blow off pipe 4 when carrying mud, carry out solid-liquid separation in centrifuge 6, the outlet of centrifuge 6 has collecting box 7 through the pipe connection, collecting box 7 can collect the waste water that centrifuge 6 separated in collecting box 7, collecting box 7's outside is connected with water pump 8 through the pipe connection, water pump 8 is connected with steelmaking water pipeline intercommunication, make things convenient for water pump 8 to discharge the waste water after collecting into steelmaking water pipeline through the pipeline, so as to reuse;

the discharge port of the centrifugal machine 6 is connected with a drying mechanism through a pipeline, sludge slurry after solid-liquid separation can be discharged into the drying mechanism, the drying mechanism is convenient for reducing the water content of the sludge slurry after solid-liquid separation, a discharge pipe 9 is arranged on the drying mechanism, the discharge pipe 9 extends to the upper part of the conveying mechanism 2, materials dried by the drying mechanism are conveyed onto the conveying mechanism 2 through the discharge pipe 9, and the conveying mechanism 2 conveys the sludge slurry after treatment to a sintering batching area to participate in batching, so that beneficial elements such as iron and the like are convenient to recycle;

and the sewage discharge pipe 4 and the first pipeline 3 are both provided with valves 5, and the valves 5 can avoid the backflow of sludge and mud.

Example 2: the utility model provides a metallurgical sludge environmental protection processing apparatus, including sludge tank 1 and conveying mechanism 2 that the upper end was equipped with the import, the import of sludge tank 1 top is convenient to be discharged into sludge tank 1, one side of sludge tank 1 is linked together and is had first pipeline 3, first pipeline 3 can be with mill's air supply or water source intercommunication, the convenience takes gas or water to carry out the mud in the sludge tank 1 as the carrier, the opposite side of sludge tank 1 is linked together and is had blow off pipe 4, the accessible blow off pipe 4 carries out the mud, blow off pipe 4 flushes with the bottom of sludge tank 1, the downside of stirring rod 16 and the inside contact of sludge tank 1, the bottom of sludge tank 1 is vertically fixed with second motor 14, the axle head of second motor 14 extends to among the sludge tank 1 fixed connection transmission post 15, be provided with the puddler 16 that is located the first pipeline 3 below on the transmission post 15, puddler 16 is provided with the multiunit, and the interval between every group puddler 16 equals, the second motor 14 drives the puddler 16 and can accelerate the discharge efficiency of mud when stirring to mud in sludge tank 1, and reduce the mud in the mud that remains in sludge tank 1;

the sewage pipe 4 is communicated with the centrifugal machine 6, when sludge slurry is conveyed, the sludge slurry is conveyed into the centrifugal machine 6 through the sewage pipe 4 for solid-liquid separation, a water outlet of the centrifugal machine 6 is connected with the collecting box 7 through a pipeline, the collecting box 7 can collect wastewater separated by the centrifugal machine 6 into the collecting box 7, the outer side of the collecting box 7 is connected with the water pump 8 through a pipeline, the water pump 8 is connected with a steel-making water pipeline for communication, and the collected wastewater is conveniently discharged into the steel-making water pipeline through the pipeline by the water pump 8 so as to be convenient for reuse;

the discharge port of the centrifugal machine 6 is connected with a drying mechanism through a pipeline, the drying mechanism comprises a cylinder 10 and a drying cylinder 11 arranged in the cylinder 10, the diameter of the drying cylinder 11 is smaller than that of the cylinder 10, namely, a gap is reserved between the drying cylinder 11 and the cylinder 10, a heating wire 20 is arranged between the drying cylinder 11 and the cylinder, an exhaust window extending to the outer side of the cylinder 10 is arranged on the drying cylinder 11, two ends of the drying cylinder 11 are respectively fixed at the inner sides of two ends of the cylinder 10, and the discharge port of the centrifugal machine 6 is communicated with the drying cylinder 11 through a pipeline so that sludge slurry after solid-liquid separation enters the drying cylinder 11 through the discharge port of the centrifugal machine 6;

the auger blade 12 is arranged in the drying cylinder 11, the first motor 13 is arranged on the outer side of the drying cylinder 11, the shaft end of the first motor 13 penetrates through the cylinder 10 and the drying cylinder 11 to be fixedly connected with the auger blade, sludge slurry after solid-liquid separation can be discharged into the drying mechanism, the heating wire 20 heats the drying cylinder 11, the sludge slurry entering the drying cylinder 11 is convenient to dry, and the water content of the sludge slurry after solid-liquid separation is reduced;

the drying mechanism is provided with the discharge pipe 9, the discharge pipe 9 extends to the upper part of the conveying mechanism 2, the conveying mechanism 2 adopts a belt conveyor, two sides of the belt conveyor are provided with guard plates 17, a U-shaped pushing plate 18 with an opening facing the discharge pipe 9 is arranged between the two guard plates 17, the pushing plate 18 is provided with a sludge moisture detector 19 positioned right above the conveying mechanism 2, the water content of sludge slurry is conveniently and selectively checked by workers, qualified materials after drying are conveyed to the conveying mechanism 2 through the discharge pipe 9, and the conveying mechanism 2 conveys the sludge slurry after treatment to a sintering batching area to participate in batching, so that beneficial elements such as iron and the like are conveniently recovered;

and the sewage drain pipe 4 and the first pipeline 3 are both provided with valves 5, the valves 5 can avoid sludge and mud from flowing back, and the valves 5 adopt one-way valves.

In summary, the metallurgical sludge environment-friendly treatment device has the following working principle:

the mud that OG method dust removal produced gets into mud jar 1 through the import of mud jar 1 top, first pipeline 3 is connected with mill's air supply or water source, use gas or water as the carrier to carry the mud in the mud jar 1 to carry centrifuge 6 through blow off pipe 4 and carry out solid-liquid separation, the waste water that centrifuge 6 separated is collected in collecting box 7 through the pipeline, so that water pump 8 is discharged the waste water into steelmaking water piping and is recycled, and the cement mud moisture content after solid-liquid separation is still higher, need dry through drying mechanism, so that reduce the moisture content of mud, make mud can directly participate in the sintering batching.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides a metallurgical sludge environmental protection processing apparatus, includes sludge tank (1) and conveying mechanism (2) that the upper end was equipped with the import, its characterized in that: one side of the sludge tank (1) is communicated with a first pipeline (3), the other side of the sludge tank (1) is communicated with a drain pipe (4), valves (5) are arranged on the drain pipe (4) and the first pipeline (3), the drain pipe (4) is communicated with a centrifugal machine (6), a water outlet of the centrifugal machine (6) is connected with a collecting box (7) through a pipeline, and the outer side of the collecting box (7) is connected with a water pump (8) through a pipeline;

the centrifugal machine is characterized in that a discharge port of the centrifugal machine (6) is connected with a drying mechanism through a pipeline, a discharge pipe (9) is arranged on the drying mechanism, and the discharge pipe (9) extends to the upper part of the conveying mechanism (2).

2. The metallurgical sludge environmental protection treatment device according to claim 1, wherein: the drying mechanism comprises a cylinder (10) and a drying cylinder (11) arranged inside the cylinder (10), two ends of the drying cylinder (11) are respectively fixed at two inner sides of the cylinder (10), a discharge port of the centrifugal machine (6) is communicated with the drying cylinder (11) through a pipeline, an auger blade (12) is arranged in the drying cylinder (11), a first motor (13) is arranged at the outer side of the drying cylinder (11), and the shaft end of the first motor (13) penetrates through the cylinder (10) and the drying cylinder (11) to be fixedly connected with the auger blade (12).

3. The metallurgical sludge environmental protection treatment device according to claim 1, wherein: the bottom of the sludge tank (1) is vertically fixed with a second motor (14), the shaft end of the second motor (14) extends into the sludge tank (1) to be fixedly connected with a transmission column (15), and the transmission column (15) is provided with a stirring rod (16) positioned below the first pipeline (3).

4. The metallurgical sludge environmental protection treatment device according to claim 1, wherein: the blow-down pipe (4) is flush with the bottom of the sludge tank (1), and the lower side of the stirring rod (16) is in contact with the inside of the sludge tank (1).

5. The metallurgical sludge environmental protection treatment device according to claim 1, wherein: the conveying mechanism (2) adopts a belt conveyor, guard plates (17) are arranged on two sides of the belt conveyor, a U-shaped pushing plate (18) with an opening facing the discharge pipe (9) is arranged between the two guard plates (17), and a sludge moisture detector (19) positioned right above the conveying mechanism (2) is arranged on the pushing plate (18).

6. A metallurgical sludge environmental protection treatment apparatus according to claim 3, wherein: the stirring rods (16) are provided with a plurality of groups, and the intervals between the stirring rods (16) of each group are equal.

7. The metallurgical sludge environmental protection treatment device according to claim 1, wherein: the valve (5) adopts a one-way valve.