CN221268503U - Automatic white coal screening and crushing device - Google Patents
Automatic white coal screening and crushing deviceInfo
- Publication number
- CN221268503U CN221268503U CN202323221085.XU CN202323221085U CN221268503U CN 221268503 U CN221268503 U CN 221268503U CN 202323221085 U CN202323221085 U CN 202323221085U CN 221268503 U CN221268503 U CN 221268503U
- Authority
- CN
- China
- Prior art keywords
- screen
- feeding belt
- white coal
- revolve
- steel bars
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000003245 coal Substances 0.000 title claims abstract description 35
- 238000012216 screening Methods 0.000 title claims abstract description 9
- 239000000463 material Substances 0.000 claims abstract description 25
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 21
- 238000007790 scraping Methods 0.000 claims description 8
- 238000007599 discharging Methods 0.000 claims description 5
- 239000000843 powder Substances 0.000 abstract description 14
- 238000000034 method Methods 0.000 abstract description 6
- 238000010276 construction Methods 0.000 abstract 1
- 239000000428 dust Substances 0.000 description 5
- OBSZRRSYVTXPNB-UHFFFAOYSA-N tetraphosphorus Chemical compound P12P3P1P32 OBSZRRSYVTXPNB-UHFFFAOYSA-N 0.000 description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 238000009792 diffusion process Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000002994 raw material Substances 0.000 description 3
- 229910019142 PO4 Inorganic materials 0.000 description 2
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 2
- 239000010452 phosphate Substances 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 241000270728 Alligator Species 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 239000003034 coal gas Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000006722 reduction reaction Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Abstract
The utility model provides an automatic white coal screening and crushing device which comprises a hopper, a rotary screen, a feeding belt, a crusher and a rotary vibrating screen, wherein the rotary screen is horizontally arranged, a discharge hole of the hopper is positioned in the rotary screen, the feeding belt is positioned right below the rotary screen, a discharge end of the rotary screen is connected with the crusher, a discharge end of the crusher is connected with the rotary vibrating screen, a fine material outlet of the rotary vibrating screen is converged with a discharge end of the feeding belt and is connected with an air feeding pipe, and a coarse material outlet of the rotary vibrating screen is connected with the discharge belt. The method has the advantages of purifying the construction environment of crushing and screening the white coal and reducing the generation quantity of the white coal powder.
Description
Technical Field
The utility model relates to the technical field of white coal processing, in particular to an automatic white coal screening and crushing device.
Background
Industrial yellow phosphorus is one of the very important chemical raw materials. The yellow phosphorus production enterprises in China are distributed in the places of clouds, noble places, sichuan places, jaw places and the like, and are mostly adopting an electric furnace method for preparing phosphorus, namely, after the phosphate ore, white coal and silica are processed, the phosphate ore, white coal and silica are added into an electric furnace according to a certain proportion to generate a reduction reaction, so as to generate a mixed gas of yellow phosphorus steam and coal gas, and then the yellow phosphorus is obtained through separation measures.
In general, the processing process of the white coal consists of a white coal vibrating feeder, a white coal belt conveyor, a motor, an alligator and other devices, and the granularity of the white coal is mainly less than or equal to 5mm, 5-10mm, 15-25mm, 25-40mm and more than 40mm when the white coal leaves the factory, and the white coal with the granularity is directly and uniformly fed into a jaw crusher for crushing through a hopper and the white coal belt conveyor when being processed in a yellow phosphorus production factory, so that the white coal with small granularity is processed and crushed, thereby increasing the dust amount of the white coal, increasing the production cost of enterprises and bringing great pressure to environmental protection treatment.
Disclosure of Invention
The utility model aims to solve the technical problems that the small-granularity white coal is crushed to generate more powder, dust diffusion is caused in the conveying process, the environment is influenced, and the waste of raw materials is caused.
In order to solve the technical problems, the utility model adopts the following technical scheme: the utility model provides a white coal autofilter and breaker, includes hopper, revolves the trommel, feeding belt, breaker and revolves the sieve that shakes, revolves the trommel level and arranges, and the hopper discharge gate is located and revolves the trommel, and feeding belt is located and revolves the trommel under, and the breaker is connected to the discharge end of revolving the trommel, and the breaker is connected soon to shake the screen to the discharge end of breaker, revolves the fine material export of shaking the sieve and the unloading end of feeding belt and meet and insert the air feed pipe, revolves the coarse fodder exit linkage ejection of compact belt of shaking the sieve.
Preferably, the rotary screen comprises a central shaft and a screen cylinder coaxially fixed on the central shaft, the screen cylinder comprises axial reinforcing steel bars and round reinforcing steel bars, the round reinforcing steel bars are continuously arranged along the axis of the axial reinforcing steel bars, and gaps are arranged between adjacent round reinforcing steel bars.
Preferably, the rotary screen is obliquely arranged, the discharging end is higher than the feeding end, and the inner wall of the rotary screen is provided with a spiral rib plate.
Preferably, the gap between adjacent circular reinforcing steel bars at the position of the rotary screen close to the feeding hole is larger than the gap between adjacent circular reinforcing steel bars at the rear section.
Preferably, the top level rotates the backing roll group that is provided with the supporting belt in the feeding belt, rotary screen feed end both sides all are provided with the baffle, the baffle with the supporting frame of feeding belt is connected.
Preferably, a scraping plate is arranged at the discharge end of the feeding belt, and the scraping plate is obliquely arranged and tangent to the feeding belt.
The utility model provides an automatic screening and crushing device for white coal, which is characterized in that a rotary screen is arranged to screen the white coal, a feeding belt is used for conveying fine materials and powder, a crusher is used for crushing materials with large particle sizes, the fine materials are screened out, the fine materials which are primarily screened out are conveyed in an air flow mode together with the fine materials which are primarily screened out, the powder is prevented from being diffused, the primary fine materials and the powder are separated, the excessive crushing of the fine materials by the crusher can be reduced, the dust diffusion in the crushing process is avoided, the white coal preparation efficiency is improved, and the environment of a white coal manufacturing area is protected.
Drawings
The utility model is further illustrated by the following examples in conjunction with the accompanying drawings:
fig. 1 is a schematic structural diagram of an embodiment of the present utility model.
In the figure: 1. a hopper; 2. vibrating the blanking device; 3. rotating a cylinder screen; 4. a driving member; 5. a support frame; 6. a backup roll set; 7. a feeding belt; 8. a crusher; 9. the connecting hopper; 10. a rotary vibrating screen; 11. a scraping plate; 12. an air feed pipe; 13. and a discharging belt.
Detailed Description
As shown in fig. 1. The utility model provides a white coal autofilter and breaker, including hopper 1, revolve the screen 3, feeding belt 7, breaker 8 and revolve the screen 10 that shakes, revolve the screen 3 level and arrange, and hopper 1 discharge gate is located revolves the screen 3, feeding belt 7 is located and revolves the screen 3 directly under, the breaker 8 is connected to the discharge end of revolving the screen 3, the screen 10 that shakes soon is connected to the discharge end of breaker 8, the fine material export of screen 10 that shakes soon and the unloading end of feeding belt 7 meet and insert air feed pipe 12, the coarse material export of screen 10 that shakes soon is connected ejection of compact belt 13.
The vibrating blanking device 2 is arranged on a discharging pipe of the hopper 1 and used for controlling stable output of materials in the hopper 1, the discharged materials directly enter the rotary screen 3 through a discharging end of the vibrating blanking device 2, the rotary screen 3 is rotatably arranged, a driving piece 4 is arranged on one side of the rotary screen 3, the driving piece 4 comprises a motor and a speed reducer, and the motor is connected with a central shaft of the rotary screen 3 through the speed reducer to drive the rotary screen 3 to rotate; after the material enters the rotary screen 3, powder and fine materials are screened out along with the rotation of the rotary screen 3, fall on a feeding belt 7, the feeding belt 7 feeds out the powder and the fine materials, the rest coarse materials fall down through the discharge end of the rotary screen 3 and enter a crusher 8 to be crushed to form a large amount of fine materials, the crushed materials are screened through a rotary vibrating screen 10, and finally the fine materials and the powder screened out by the rotary screen 3 and the rotary vibrating screen 10 are transported through an air feeding pipe 12 uniformly, and the rest small amount of coarse materials, impurities and the like are output through a discharge belt 13.
An arc-shaped connecting hopper 9 is arranged between the discharge end of the rotary screen 3 and the feed inlet of the crusher 8, so that dust diffusion generated when the crusher 8 crushes white coal can be reduced to a certain extent.
As a preferred embodiment of the present utility model. The rotary screen 3 comprises a central shaft and a screen cylinder coaxially fixed on the central shaft, the screen cylinder comprises axial reinforcing steel bars and round reinforcing steel bars, the round reinforcing steel bars are continuously arranged along the axis of the axial reinforcing steel bars, and gaps are formed between adjacent round reinforcing steel bars. The rotary screen 3 has a structure similar to a conventional rotary screening cylinder, is integrally cage-shaped and is connected to a central shaft, and is driven to rotate by a motor.
As a preferred embodiment of the present utility model. The rotary screen 3 is obliquely arranged, the discharge end is higher than the feed end, and a spiral rib plate is arranged on the inner wall of the rotary screen 3. In order to ensure enough structural strength of the rotary screen 3, a spiral rib plate is added on the rotary screen 3, and the arrangement of the spiral rib plate ensures uniformity of material distribution inside the rotary screen 3.
As a preferred embodiment of the present utility model. The gap between the adjacent circular reinforcing steel bars at the position of the rotary screen 3 close to the feeding hole is larger than the gap between the adjacent circular reinforcing steel bars at the rear section. The gap of the feeding hole of the rotary screen 3 is larger, fine powder can be rapidly discharged, and the rotary screen 3 is obliquely arranged, so that the gap between the rotary screen 3 and the feeding belt 7 is overlarge, and dust diffusion is easy to cause in the material falling at the rear section.
As shown in fig. 1. The top level rotates in the feeding belt 7 and is provided with the backing roll group 6 of backing belt, rotary screen 3 feed end both sides all are provided with the baffle, the baffle with feeding belt 7's support frame 5 is connected. The baffle can avoid the powder to diffuse to both sides.
As shown in fig. 1. The discharge end of the feeding belt 7 is provided with a scraping plate 11, and the scraping plate 11 is obliquely arranged and tangential to the feeding belt 7. Because the raw material of the white coal has larger water content and needs to be dried later, the feeding belt 7 is stuck with the fine powder of the white coal, and the fine powder is scraped off by the scraping plate 11.
In addition, the air feeding pipe 12 is adopted for transporting the fine white coal powder, and in the transportation process, dry air and even high-temperature air are adopted for uniformly drying the fine powder, so that the subsequent drying step is saved, and the pipeline transportation sealing performance is strong.
Claims (6)
1. The utility model provides a white coal autofilter and breaker which characterized in that: including hopper (1), revolve screen (3), feeding belt (7), breaker (8) and revolve and shake screen (10), revolve screen (3) horizontal arrangement, and hopper (1) discharge gate is located revolves screen (3), feeding belt (7) are located revolve under screen (3), revolve the discharge end connection breaker (8) of screen (3), revolve the discharge end connection of breaker (8) shake screen (10), revolve the fine material export of shaking screen (10) and the unloading end of feeding belt (7) and join and insert air feed pipe (12), revolve coarse fodder exit linkage ejection of compact belt (13) of shaking screen (10).
2. The white coal autofilter and crushing device of claim 1, wherein: the rotary screen (3) comprises a central shaft and a screen cylinder coaxially fixed on the central shaft, the screen cylinder comprises axial reinforcing steel bars and round reinforcing steel bars, the round reinforcing steel bars are continuously arranged along the axis of the axial reinforcing steel bars, and gaps are formed between adjacent round reinforcing steel bars.
3. An automatic white coal screening and crushing device as claimed in claim 2, wherein: the rotary screen (3) is obliquely arranged, the discharge end is higher than the feed end, and a spiral rib plate is arranged on the inner wall of the rotary screen (3).
4. A white coal autofilter and crushing apparatus as claimed in claim 3, wherein: the gap between adjacent round reinforcing steel bars at the position of the rotary screen (3) close to the feed inlet is larger than the gap between adjacent round reinforcing steel bars at the rear section.
5. The automatic white coal screening and crushing device according to claim 4, wherein: the top level rotates in feeding belt (7) and is provided with backing roll group (6) of backing belt, rotary screen (3) feed end both sides all are provided with the baffle, the baffle with support frame (5) of feeding belt (7) are connected.
6. The white coal autofilter and crushing device of claim 1, wherein: the discharging end of the feeding belt (7) is provided with a scraping plate (11), and the scraping plate (11) is obliquely arranged and tangential to the feeding belt (7).
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221268503U true CN221268503U (en) | 2024-07-05 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant |