CN218190872U - Dust-free screening machine - Google Patents
Dust-free screening machine Download PDFInfo
- Publication number
- CN218190872U CN218190872U CN202222820298.3U CN202222820298U CN218190872U CN 218190872 U CN218190872 U CN 218190872U CN 202222820298 U CN202222820298 U CN 202222820298U CN 218190872 U CN218190872 U CN 218190872U
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- dust
- dust removal
- screening machine
- box
- removal box
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Abstract
The utility model discloses a dustless screening machine, include the screening machine body, strain a section of thick bamboo and fan, screening machine body upper end is equipped with the dust removal case, dust removal case and the inside intercommunication of screening machine body, fixedly connected with baffle in the middle of the dust removal case, two spaces about the baffle falls into the dust removal case, be equipped with the through-hole in the middle of the baffle, strain a section of thick bamboo and install in the baffle below, and strain a section of thick bamboo and align with the through-hole, the fan is installed in dust removal case upper end, and fan and dust removal case intercommunication, the dust removal incasement is equipped with the pulse unit of anti-soot blowing.
Description
Technical Field
The utility model relates to a screening machine, in particular to dustless screening machine.
Background
The sieving machine utilizes the relative motion of the bulk material and the sieve surface to make partial particles penetrate through the sieve pores, and divides the materials such as sand, gravel, broken stone and the like into vibrating sieving mechanical equipment with different grades according to the particle size.
The drum screening machine comprises a drum, a motor and a rack, wherein the drum is a drum with a meshed side wall and two open ends and is obliquely arranged above the rack, the motor is arranged at one end of the drum on the rack and drives the drum to rotate, a convex rail is circumferentially arranged on the side wall at the other end of the drum, and rotating assemblies for supporting the drum are symmetrically arranged on the rack on two sides of the periphery of the convex rail; a material collecting plate with an opening in the middle is arranged below the roller on the rack, and a vibration discharging pipe is detachably arranged at the bottom end of the material collecting plate.
However, the screen drum can generate a large amount of raised ash or fine powder particles in the rolling screening process, and the ash is sucked into the dust remover through a pipeline and a fan and then is connected into a ton bag through cloth bag filtration, which can cause the following defects: 1. the long-distance pipeline transportation increases the equipment investment; 2. the power of the fan is increased, so that the energy consumption is increased, and the production cost is influenced; 3. the ton bag is inconvenient to transport and operate again; 4. after the filtering is carried out by the pipeline dust collecting cloth bag, materials with different components are mixed, so that the recycling difficulty of the noble metal materials is caused, the resource waste is caused, and the production cost is increased.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a dustless screening machine, under the condition of not connecting to external dust collecting equipment, filter out the dust and directly get into the screening machine export, reduced secondary pollution.
The above technical purpose of the present invention can be achieved by the following technical solutions:
a dust-free screening machine comprises a screening machine body, a dust removal box, a filtering assembly, an exhaust assembly and a pulse device; the dust removal box is arranged at the upper end of the screening machine body and is communicated with the inside of the screening machine body; the filter assembly comprises a filter cylinder, the filter cylinder is arranged in the dust removal box, and the filter cylinder separates air and dust entering the dust removal box; the air exhaust assembly comprises a fan, the fan is arranged at the top of the dust removal box, the fan sucks air with dust in the sieving machine body into the dust removal box, and the air is filtered by the filter cartridge; the pulse device is arranged in the dust removal box and blows off dust attached to the outer wall of the filter cylinder.
Preferably, the pulse device comprises a compressed air pipeline, a right-angle pulse valve, an injection pipe and an injection head, wherein the injection pipe penetrates through the outer wall of the dust removal box to enter the dust removal box, the injection pipe is located above the partition plate, the end, located in the dust removal box, of the injection pipe is connected with the injection head, the injection head penetrates through a through hole of the partition plate to enter the interior of the filter cylinder, the end, located outside the dust removal box, of the injection pipe is connected with the right-angle pulse valve, and the right-angle pulse valve is connected with the compressed air pipeline.
Preferably, the filter assembly further comprises a partition plate, the partition plate is installed in the middle of the dust removal box and divides the dust removal box into an upper space and a lower space, a through hole is formed in the middle of the partition plate, the filter cartridge is installed below the partition plate, and the hollow part of the filter cartridge is aligned to the through hole.
Preferably, the dust removal box is provided with a first access door and a second access door, and the first access door and the second access door respectively correspond to an upper space and a lower space which are separated by the partition plate in the dust removal box.
Preferably, the filter cartridge is removably mounted below the partition.
The utility model has the advantages that: 1. the fan generates suction force, and a negative pressure state is generated in the screening machine, so that dust is sucked into the dust removal box, and the dust is effectively prevented from leaking; 2. the dust sucked into the dust removal box is filtered out through the filter cylinder, and then the dust attached to the outer wall of the filter cylinder is blown down through the pulse device and directly enters the outlet of the sieving machine, so that secondary pollution is reduced; 3. under the working condition of centralized waste gas treatment, the equipment investment of a long-distance pipeline can be effectively reduced, the efficiency of a fan can be improved, and the production efficiency can be effectively improved; 4. and on the occasion without the dust removal system, the dust removal system does not need to be additionally installed, so that the equipment cost is reduced.
Drawings
Figure 1 is a side cross-sectional view of the sieving machine body of the present invention;
figure 2 is the utility model discloses a dust removal case side section.
Reference numerals are as follows: 1. a screening machine body; 2. a first access door; 3. an access door II; 4. a connecting ring; 6. a dust removal box; 7. a fan; 8. a filter cartridge; 9. a partition plate; 10. a blowing head; 11. a blowing pipe; 12. a right angle pulse valve; 13. a compressed air conduit.
Detailed Description
Referring to fig. 1 to 2, the dust-free sieving machine comprises a sieving machine body 1, a dust removal box 6, a filtering assembly, an exhaust assembly and a pulse device
The middle of the partition plate 9 is provided with a through hole, the filter cartridge 8 is arranged below the partition plate 9, the hollow part of the filter cartridge 8 is aligned with the through hole, the outer side of the end, close to the partition plate 9, of the filter cartridge 8 is fixedly connected with the connecting ring 4, the connecting ring 4 is provided with a plurality of mounting holes, bolts penetrate through the mounting holes, the connecting ring 4 is fixed below the partition plate 9, the fan 7 of the air exhaust assembly is arranged at the upper end of the dust removal box 6, the fan 7 is communicated with the dust removal box 6, the fan 7 generates suction force, the air in the screening machine body 1 is sucked into the dust removal box 6, the partition plate 9 divides the dust removal box 6 up and down, the air below the partition plate 9 can only enter the space above the partition plate 9 through the filter cartridge 8, dust in the air can be filtered by the filter cartridge 8, the air can enter the fan 7 through the filter cartridge 8 and is exhausted into the atmosphere, the screening machine does not need to be connected with a dust remover through a pipeline, the floor area of the screening machine is greatly reduced, meanwhile, the length of the pipeline is reduced, the fan 7 with small power can be selected, the small power, the cost of the equipment can be completely, and the energy resource cost can be reduced.
The dust removal box 6 is internally provided with a pulse device for blowing back dust, the pulse device comprises a compressed air pipeline 13, a right-angle pulse valve 12, an injection pipe 11 and an injection head 10, the injection pipe 11 penetrates through the outer wall of the dust removal box 6 and enters the dust removal box 6, the injection pipe 11 is positioned above a partition plate 9, the end of the injection pipe 11 positioned in the dust removal box 6 is connected with the injection head 10, the injection head 10 penetrates through a through hole of the partition plate 9 and enters the interior of a filter cartridge 8, the end of the injection pipe 11 positioned outside the dust removal box 6 is connected with the right-angle pulse valve 12, the right-angle pulse valve 12 is connected with the compressed air pipeline 13, the right-angle pulse valve 12 is started, the gas of the compressed air pipeline 13 enters the interior of the filter cartridge 8 through the injection pipe 11 and the injection head 10, an inside force from the inside to the outside can be generated in the filter cartridge 8, the dust attached to the outer wall of the filter cartridge 8 is blown down, the dust filtered out by the filter cartridge 8 falls into the interior of a direct screening machine body 1, the direct screening machine which can not recycle dust by using the dust-collecting materials after the dust collecting bag is taken out, and the dust collecting bag is effectively, and the dust collecting materials which can not be recycled after the dust collecting bag is taken out, the dust collecting bag.
The utility model discloses a theory of operation: the sieve section of thick bamboo 2 inside the screening machine body 1 carries out the rotary screen, separates out the granule of variation in size, can produce a large amount of dusts simultaneously, and this is that fan 7 starts, and the gas that will have the dust inhales dust removal case 6 in, strain a section of thick bamboo 8 and filter out the back with the dust, the air passes through fan 7 and discharges into the atmosphere, uses the back, starts right angle pulse valve 12, blows off the adnexed dust of 8 outer walls of straining a section of thick bamboo, effectively improves the utilization ratio of resource.
Claims (5)
1. A dust-free screening machine is characterized by comprising a screening machine body (1), a dust removal box (6), a filtering assembly, an exhaust assembly and a pulse device;
the dust removal box (6) is arranged at the upper end of the screening machine body (1), and the dust removal box (6) is communicated with the interior of the screening machine body (1);
the filter assembly comprises a filter cylinder (8), the filter cylinder (8) is arranged in the dust removal box, and the filter cylinder (8) separates air and dust entering the dust removal box;
the air exhaust assembly comprises a fan (7), the fan (7) is installed at the top of the dust removal box (6), the fan (7) sucks air with dust in the sieving machine body (1) into the dust removal box, and the air is filtered by the filter cartridge (8);
the pulse device is arranged in the dust removal box (6) and blows off dust attached to the outer wall of the filter cylinder (8).
2. A dust-free screening machine according to claim 1, characterized in that the pulse means comprises a compressed air conduit (13), a right-angle pulse valve (12), a blowing pipe (11) and a blowing head (10), the blowing pipe (11) passes through the outer wall of the dust box (6) into the dust box (6), the blowing pipe (11) is located above the partition (9), the end of the blowing pipe (11) located in the dust box (6) is connected with the blowing head (10), and the blowing head (10) passes through the through hole of the partition (9) into the interior of the filter cylinder (8), the end of the blowing pipe (11) located outside the dust box (6) is connected with the right-angle pulse valve (12), and the right-angle pulse valve (12) is connected with the compressed air conduit (13).
3. The dust-free screening machine according to claim 1, characterized in that the filtering assembly further comprises a partition plate (9), the partition plate (9) is installed in the middle of the dust removing box (6) to divide the dust removing box (6) into an upper space and a lower space, a through hole is formed in the middle of the partition plate (9), the filter cartridge (8) is installed below the partition plate (9), and the hollow part of the filter cartridge (8) is aligned with the through hole.
4. A dust-free screening machine according to claim 3, characterized in that the dust-removing box (6) is provided with a first access door (2) and a second access door (3), and the first access door (2) and the second access door (3) respectively correspond to an upper space and a lower space of the dust-removing box (6) which are separated by a partition plate (9).
5. A dust-free screening machine according to claim 3, characterised in that the filter cartridge (8) is removably mounted beneath the partition (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222820298.3U CN218190872U (en) | 2022-10-25 | 2022-10-25 | Dust-free screening machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222820298.3U CN218190872U (en) | 2022-10-25 | 2022-10-25 | Dust-free screening machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218190872U true CN218190872U (en) | 2023-01-03 |
Family
ID=84643435
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222820298.3U Active CN218190872U (en) | 2022-10-25 | 2022-10-25 | Dust-free screening machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218190872U (en) |
-
2022
- 2022-10-25 CN CN202222820298.3U patent/CN218190872U/en active Active
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