CN216440879U - Secondary barite grading system - Google Patents
Secondary barite grading system Download PDFInfo
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- CN216440879U CN216440879U CN202123150477.2U CN202123150477U CN216440879U CN 216440879 U CN216440879 U CN 216440879U CN 202123150477 U CN202123150477 U CN 202123150477U CN 216440879 U CN216440879 U CN 216440879U
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- fine powder
- bin
- fan
- dust collector
- barite
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Abstract
The utility model discloses a secondary barite grading system. This secondary barite grading system includes the feed bin, the feed bin is connected with the grader, the middlings export of grader is provided with first fan, first fan is connected with coarse powder storehouse through middlings pipeline, the farine exit linkage of grader has fine powder collection device, fine powder collection device includes the cyclone that is connected with the grader, the top of cyclone is connected with the cloth bag dust collector, the cloth bag dust collector is connected with the draught fan, the bottom intercommunication of cloth bag dust collector and cyclone has the farine collection room, the inner chamber of farine collection room is provided with two-way auger, the outside of farine collection room is provided with the motor that orders about two-way auger rotation, the discharge gate of farine collection room is provided with the second fan, the second fan is connected with the fine powder storehouse through the farine pipeline. The method solves the problems that after the barite raw material is ground, the particle size distribution area of the powder is wide, so that the oil absorption value is unstable, and the market demand is difficult to meet.
Description
Technical Field
The utility model relates to the technical field of production equipment, in particular to a secondary barite grading system.
Background
After the barite raw material is ground, the obtained powder has different particle sizes and a wider particle size distribution area, so that the oil absorption value is unstable, and the market demand is difficult to meet.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a barite secondary grading system which is narrow in powder particle size distribution and capable of improving the stability of an oil absorption value to meet market requirements, aiming at the defects in the prior art.
In order to achieve the purpose, the secondary barite grading system adopts the technical scheme that:
the utility model provides a barite secondary grading system, including the feed bin, the feed bin is connected with the grader, the middlings export of grader is provided with first fan, first fan is connected with coarse powder storehouse through middlings pipeline, the farine exit linkage of grader has fine powder collection device, fine powder collection device includes the cyclone that is connected with the grader, the top of cyclone is connected with the cloth bag dust collector, the cloth bag dust collector is connected with the draught fan, the bottom intercommunication of cloth bag dust collector and cyclone has the farine collection room, the inner chamber of farine collection room is provided with two-way auger, the outside of farine collection room is provided with the motor that orders about two-way auger rotation, the discharge gate of farine collection room is provided with the second fan, the second fan is connected with the fine powder storehouse through the farine pipeline. The classifier extracts powder in the bin for classification, coarse powder is guided to the coarse powder bin by the first fan, when fine powder enters the fine powder collecting device, 60-70% of fine powder is collected by the cyclone dust collector to reduce the working load of the bag dust collector, meanwhile, coarse powder mixed in the fine powder is returned to the classifier, and the fine powder collected by the bag dust collector and the cyclone dust collector enters the fine powder collecting chamber, then is conveyed to the discharge port by the bidirectional auger, and then is guided to the fine bin by the second fan.
Preferably, the top of the bin is connected with a feeding bin through a feeding pipe, the feeding bin is mounted on the ground, and a feeding device is arranged above the feeding bin. The feeding bin is arranged for the storage bin, so that the feeding is convenient.
Preferably, a first dust remover is arranged at the top of the storage bin.
Preferably, a material level switch is arranged on the side wall of the coarse powder bin. The material level switch is used for monitoring the material level condition in the coarse powder bin.
Preferably, the top of the coarse powder bin is provided with a second dust remover, and the bottom of the coarse powder bin is provided with a rotary valve.
Compared with the prior art, the utility model has the following advantages:
the classifier divides the powder into coarse powder and fine powder, and the particle size distribution of the powder is narrow, so that the stability of the oil absorption value is improved to meet the market demand. In the process of collecting the fine powder, 60-70% of the fine powder is collected by the cyclone dust collector to reduce the working load of the bag dust collector, and meanwhile, the coarse powder mixed in the fine powder is returned to the classifier, so that the purity of the fine powder is improved to ensure that the particle size of the fine powder is maintained on a narrow particle size distribution band.
Drawings
FIG. 1 is a schematic structural diagram of a secondary barite classification system;
FIG. 2 is a schematic view of the structure of the fine powder collecting apparatus.
The device comprises a bin 1, a first dust remover 11, a feeding pipe 2, a feeding bin 3, a feeder 31, a classifier 4, a first fan 41, a coarse powder conveying pipeline 5, a coarse powder bin 6, a material level switch 61, a second dust remover 62, a rotary valve 63, a fine powder collecting device 7, a cyclone dust collector 71, a bag distributing dust collector 72, an induced draft fan 73, a fine powder collecting chamber 74, a bidirectional packing auger 75, a motor 76, a second fan 77, a fine powder conveying pipeline 8 and a fine powder bin 9 which are connected.
Detailed Description
The present invention is further illustrated by the following description in conjunction with the accompanying drawings, which are to be construed as merely illustrative and not limitative of the remainder of the disclosure, and on reading the disclosure, various equivalent modifications thereof will become apparent to those skilled in the art and fall within the limits of the appended claims.
As shown in fig. 1-2, a secondary classification system for barite comprises a bin 1, the top edge of the bin is connected with a feeding bin 3 through a feeding pipe 2, the feeding bin is installed on the ground, a feeder 31 is arranged above the feeding bin for facilitating feeding, a first dust collector 11 is installed at the top center of the bin, a discharge port at the bottom of the bin is communicated with a classifier 4, a first fan 41 is installed at a coarse powder outlet of the classifier, the first fan is connected with a coarse powder bin 6 through a coarse powder conveying pipeline 5, three material level switches 61 are installed on the side wall of the coarse powder bin, the three material level switches are respectively used for monitoring the high, medium and low material level conditions in the coarse powder bin, a second dust collector 62 is installed at the top of the coarse powder bin, a rotary valve 63 is installed at the bottom of the coarse powder bin, a fine powder outlet of the classifier is connected with a fine powder collecting device 7, the fine powder collecting device comprises a cyclone dust collector 71 connected with the classifier, the top of the cyclone dust collector is connected with a bag dust collector 72, the bag dust collector is connected with an induced draft fan 73, the bag dust collector and the bottom of the cyclone dust collector are communicated with a fine powder collecting chamber 74, the fine powder collecting chamber is a cylindrical shell which is horizontally arranged, a bidirectional packing auger 75 is installed in the inner cavity of the cylindrical shell, a motor 76 which drives the bidirectional packing auger to rotate is installed outside the cylindrical shell, a second fan 77 is installed at the discharge port of the cylindrical shell, the second fan is connected with a fine powder bin 9 through a fine powder conveying pipeline 8, the structure of the fine powder bin is consistent with that of the coarse powder bin, and the description is omitted.
The specific working process and principle of a barite secondary grading system are as follows: the method comprises the steps of putting powder obtained after grinding barite into a feeding bin through a feeding device, enabling the powder to enter the bin through a feeding pipe, extracting the powder in the bin by a classifier to be classified, guiding coarse powder to a coarse powder bin through a first fan, enabling fine powder to enter a fine powder collecting device, collecting 60-70% of fine powder through a cyclone dust collector to reduce the working load of a cloth bag dust collector, meanwhile returning the coarse powder mixed in the fine powder to the classifier, enabling the fine powder collected by the cloth bag dust collector and the cyclone dust collector to enter a fine powder collecting chamber, then conveying the fine powder to a discharge port through a bidirectional auger, and then guiding the fine powder to a subdivision bin through a second fan. The method carries out secondary classification on the ground barite powder, and the particle size distribution of two separated products of coarse powder and fine powder is narrow, so that the oil absorption value is ensured to be more stable, and the market demand is met.
Claims (5)
1. A secondary classification system for barite is characterized in that: the fine powder classifying device comprises a storage bin, the storage bin is connected with a classifier, a first fan is arranged at a coarse powder outlet of the classifier, the first fan is connected with a coarse powder bin through a coarse powder conveying pipeline, a fine powder outlet of the classifier is connected with a fine powder collecting device, the fine powder collecting device comprises a cyclone dust collector connected with the classifier, the top of the cyclone dust collector is connected with a cloth bag dust collector, the cloth bag dust collector is connected with a draught fan, the cloth bag dust collector and the bottom of the cyclone dust collector are communicated with a fine powder collecting chamber, a bidirectional auger is arranged in an inner cavity of the fine powder collecting chamber, a motor for driving the bidirectional auger to rotate is arranged outside the fine powder collecting chamber, a discharge port of the fine powder collecting chamber is provided with a second fan, and the second fan is connected with the fine powder bin through a fine powder conveying pipeline.
2. The barite secondary classification system of claim 1 further characterized by: the top of the bin is connected with a feeding bin through a feeding pipe, the feeding bin is installed on the ground, and a feeding device is arranged above the feeding bin.
3. The barite secondary classification system of claim 2 further characterized by: and a first dust remover is arranged at the top of the storage bin.
4. The barite secondary classification system of claim 1 further characterized by: and a material level switch is arranged on the side wall of the coarse powder bin.
5. A barite secondary grading system according to claim 4, wherein: and a second dust remover is arranged at the top of the coarse powder bin, and a rotary valve is arranged at the bottom of the coarse powder bin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123150477.2U CN216440879U (en) | 2021-12-15 | 2021-12-15 | Secondary barite grading system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123150477.2U CN216440879U (en) | 2021-12-15 | 2021-12-15 | Secondary barite grading system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216440879U true CN216440879U (en) | 2022-05-06 |
Family
ID=81376252
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123150477.2U Active CN216440879U (en) | 2021-12-15 | 2021-12-15 | Secondary barite grading system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216440879U (en) |
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2021
- 2021-12-15 CN CN202123150477.2U patent/CN216440879U/en active Active
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