CN219356058U - Slurry tank aeration mixing device - Google Patents
Slurry tank aeration mixing device Download PDFInfo
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- CN219356058U CN219356058U CN202320306568.0U CN202320306568U CN219356058U CN 219356058 U CN219356058 U CN 219356058U CN 202320306568 U CN202320306568 U CN 202320306568U CN 219356058 U CN219356058 U CN 219356058U
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Abstract
The utility model discloses an inflatable mixing device for a coal slurry tank, which comprises a stirrer arranged in the coal slurry tank, wherein the side wall of the coal slurry tank is communicated with a gas transmission branch pipe, the inflatable mixing device also comprises a compressed air tank, the compressed air tank is provided with a gas inlet and a gas outlet, the gas outlet is connected with a second gas transmission main pipeline through a first gas transmission main pipeline, and the gas transmission branch pipe is communicated with the second gas transmission main pipeline. A circle of inflation pipeline is added at the bottom of the coal slurry tank, compressed air is filled downwards in the same direction to the bottom, so that the phenomenon that coal slime which is not uniformly kneaded by an upstream filter-pressing fine coal kneader is deposited at the bottom of the coal slurry tank can be prevented, and the phenomenon that the pump and the pipeline are frequently blocked by manpower due to the fact that the coal slime blocks the conveying pump and the conveying pipeline in the pumping process is avoided.
Description
Technical Field
The utility model belongs to the technical field of mixing equipment, and relates to a slurry tank inflation mixing device.
Background
According to the use requirements of coal water slurry customers, the gasification effect is better after the long-distance pipe coal slurry is concentrated by adopting secondary pulping gradation, so that the dehydration concentration of the conventional concentration pipe coal slurry is imperative.
In the preparation process flow of the high-concentration gasified water-coal-slurry, the arranged middle coal-slurry tank equipment is indispensable, and the middle product needs to enter the next process unit through a coal-slurry tank, a pipeline and a pump. The stirrer is installed in the coal slurry tank used in the process, and the stirring device has the function of uniformly mixing materials in the coal slurry tank and preventing the materials from precipitating. However, when the coal slurry contains the coal slime blocks which are not evenly kneaded by the upstream filter-pressing fine coal kneader, the coal slime blocks can be incompletely stirred in the stirring barrel, the coal slime blocks can fall into the peripheral coal slurry tank of the stirring barrel to be pumped, the incompletely stirred coal slime blocks are extremely easy to deposit at the bottom of the coal slurry tank, on the one hand, the blockage of a pump and a conveying pipeline can be caused in the pumping of the coal slurry carrying the coal slime blocks, the pump flow is small, the operation is unstable, and the like, so that the pump is required to be disassembled to clear and unblock the pipeline, the time and the labor are consumed, and the continuous and stable preparation of the high-concentration gasified coal water slurry is influenced.
Disclosure of Invention
The utility model aims to provide an inflatable mixing device for a coal slurry tank, which solves the problems of deposition at the bottom of the coal slurry tank and blockage of a conveying pump and a conveying pipeline in the pumping process.
The technical scheme includes that the device comprises a stirrer arranged in a coal slurry tank, wherein the side wall of the coal slurry tank is communicated with a gas transmission branch pipe, the device further comprises a compressed air tank, a gas inlet and a gas outlet are arranged on the compressed air tank, the gas outlet is connected with a second gas transmission main pipeline through a first gas transmission main pipeline, and the gas transmission branch pipe is communicated with the second gas transmission main pipeline.
The utility model is also characterized in that:
the gas transmission branch pipes comprise a plurality of gas transmission branch pipes which are uniformly distributed along the circumferential direction of the coal slurry tank.
The gas transmission branch pipes extend into the coal slurry tank, the free ends of the gas transmission branch pipes are bent towards the bottom of the coal slurry tank and incline towards the adjacent gas transmission branch pipes, and the inclination directions of the free ends of the gas transmission branch pipes are the same.
The first gas transmission main pipeline is provided with a first valve, and each gas transmission branch pipeline is provided with a second valve.
The second gas transmission main pipeline is connected at a position which is more than or equal to 1/3 of the distance from the bottom of the coal slurry tank.
The beneficial effects of the utility model are as follows: according to the device for charging and uniformly mixing the coal slurry tank, the circle of charging pipeline is added at the bottom of the coal slurry tank, compressed air is charged downwards in the same direction, so that the deposition of coal slime blocks which are not uniformly kneaded by an upstream filter-pressing fine coal kneader at the bottom of the coal slurry tank can be prevented, the blockage of the pump and the pipeline caused by the blockage of the conveying pump and the conveying pipeline by the coal slime blocks in the pumping process can be avoided, and the uniformity of the coal slurry in the coal slurry tank can be improved. The improved practicality is strong, the operation is convenient, and the problems of sedimentation, pump blockage and pipeline blockage of the coal slurry block of the coal slurry tank can be effectively improved, so that continuous and stable operation of production is ensured.
Drawings
FIG. 1 is a schematic diagram of a slurry tank aeration and mixing device according to the present utility model;
FIG. 2 is a top view of the slurry tank aeration and mixing device of the present utility model.
In the figure, 1 a coal slurry tank, 2 a stirrer, 3 a compressed air tank, 4 a gas inlet, 5 a gas outlet, 6 a first valve, 7 a first gas transmission main line, 8 a second gas transmission main line, 9 a gas transmission branch pipe and 10 a second valve.
Detailed Description
The utility model will be described in detail below with reference to the drawings and the detailed description.
1-2, including setting up the agitator 2 in coal slurry groove 1, evenly communicate along coal slurry groove 1 lateral wall circumference has a plurality of gas transmission to be in charge of 9, still includes compressed air jar 3, is provided with air inlet 4 and gas outlet 5 on the compressed air jar 3, and gas outlet 5 is connected with second gas transmission pipeline 8 through first gas transmission pipeline 7, and gas transmission is in charge of 9 and second gas transmission pipeline 8 intercommunication. The gas in the compressed air tank 3 enters a plurality of gas delivery branch pipes 9 through a first gas delivery main pipeline 7 and a second gas delivery main pipeline 8, and the gas in the gas delivery branch pipes 9 further drives the bottom of the coal slurry tank 1 to deposit coal slurry to move. Further, the gas transmission branch pipes 9 extend into the coal slurry tank 1, the free ends of the gas transmission branch pipes 9 are bent towards the bottom of the coal slurry tank 1 and incline towards the adjacent gas transmission branch pipes 9, and the inclination directions of the free ends of the gas transmission branch pipes 9 are the same.
The first gas transmission main pipeline 7 is provided with a first valve 6, and each gas transmission branch pipe 9 is provided with a second valve 10. The air inlet flow is regulated according to the actual coal slime amount through the first valve 6 and the second valve 10. The second gas transmission main pipeline 8 is connected with a position which is more than or equal to 1/3 of the bottom of the coal slurry tank 1.
The working principle of the slurry tank aeration mixing device is as follows:
when the flow of the conveying pump is small, unstable or more coal slime blocks appear at the discharge hole of the upstream kneader equipment, the second valve 10 is fully or partially opened, the first valve 6 is opened, the opening quantity of the second valve 10 of the valve can be determined according to the actual coal slime block quantity, compressed air in the compressed air tank 3 is fed into the second gas conveying main pipeline 8 at the position of 1/3 or more of the bottom of the tank body of the coal slurry tank 1 along the first gas conveying main pipeline 7, the gas conveying branch pipes 9 which are fed into the bottom of the coal slurry tank 1 are redistributed, a circle of gas conveying branch pipes 9 distributed around the coal slurry tank 1 start to blow compressed air into the obliquely lower part of the bottom of the coal slurry tank 1, the gas conveying branch pipes 9 obliquely downwards in the same direction drive coal slime movement in a larger area at the bottom of the coal slurry tank 1 to a larger extent, the incompletely stirred coal slime blocks can be scattered by the charged compressed gas, the coal slime blocks in the pumping process are prevented from blocking the conveying pump and the conveying pipeline, and coal slurry in the tank can be fully and evenly mixed.
Through the mode, the charging and mixing device for the coal slurry tank is characterized in that the charging pipeline is additionally arranged at the bottom of the coal slurry tank, compressed air is obliquely and downwards charged to the bottom in the same direction, so that the phenomenon that coal slurry blocks which are not uniformly kneaded by an upstream filter-pressing fine coal kneader are deposited at the bottom of the coal slurry tank, and the phenomenon that the coal slurry blocks block a conveying pump and the conveying pipeline to cause frequent manual blockage of the pump and the pipeline in the pumping process is avoided, and meanwhile, the uniformity of coal slurry in the coal slurry tank is improved. The improved practicality is strong, the operation is convenient, and the problems of sedimentation, pump blockage and pipeline blockage of the coal slurry block of the coal slurry tank can be effectively improved, so that continuous and stable operation of production is ensured.
Claims (5)
1. The utility model provides a coal slurry groove aeration mixing device, its characterized in that, including set up in agitator (2) in coal slurry groove (1), coal slurry groove (1) lateral wall intercommunication has gas-supply to be in charge of (9), still including compressed air jar (3), be provided with air inlet (4) and gas outlet (5) on compressed air jar (3), gas outlet (5) are connected with second gas transmission total line (8) through first gas transmission total line (7), gas-supply to be in charge of (9) and second gas transmission total line (8) intercommunication.
2. The slurry tank aeration mixing device according to claim 1, wherein the gas delivery branch pipes (9) comprise a plurality of gas delivery branch pipes (9) which are uniformly distributed along the circumferential direction of the slurry tank (1).
3. The slurry tank aeration mixing device according to claim 2, wherein the gas delivery branched pipes (9) extend into the slurry tank (1), and the free ends of the gas delivery branched pipes (9) are bent towards the bottom of the slurry tank (1) and inclined towards the adjacent gas delivery branched pipes (9), and the inclination directions of the free ends of each gas delivery branched pipe (9) are the same.
4. The slurry tank charging and mixing device according to claim 2, wherein a first valve (6) is arranged on the first gas transmission main pipeline (7), and a second valve (10) is arranged on each gas transmission branch pipe (9).
5. The slurry tank aeration mixing device according to claim 1, wherein the second gas transmission main pipeline (8) is connected at a position more than or equal to 1/3 away from the bottom of the slurry tank (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320306568.0U CN219356058U (en) | 2023-02-24 | 2023-02-24 | Slurry tank aeration mixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320306568.0U CN219356058U (en) | 2023-02-24 | 2023-02-24 | Slurry tank aeration mixing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219356058U true CN219356058U (en) | 2023-07-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320306568.0U Active CN219356058U (en) | 2023-02-24 | 2023-02-24 | Slurry tank aeration mixing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219356058U (en) |
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2023
- 2023-02-24 CN CN202320306568.0U patent/CN219356058U/en active Active
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