CN220804226U - Lime block whitening screening device for cylinder screen - Google Patents
Lime block whitening screening device for cylinder screen Download PDFInfo
- Publication number
- CN220804226U CN220804226U CN202322176756.9U CN202322176756U CN220804226U CN 220804226 U CN220804226 U CN 220804226U CN 202322176756 U CN202322176756 U CN 202322176756U CN 220804226 U CN220804226 U CN 220804226U
- Authority
- CN
- China
- Prior art keywords
- cylinder
- lime
- carrier roller
- screen
- lime block
- 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.)
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Links
- 235000008733 Citrus aurantifolia Nutrition 0.000 title claims abstract description 81
- 235000011941 Tilia x europaea Nutrition 0.000 title claims abstract description 81
- 239000004571 lime Substances 0.000 title claims abstract description 81
- 238000012216 screening Methods 0.000 title claims abstract description 20
- 230000002087 whitening effect Effects 0.000 title claims abstract description 14
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 20
- 239000010959 steel Substances 0.000 claims abstract description 20
- 239000000843 powder Substances 0.000 claims abstract description 17
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 11
- 239000000428 dust Substances 0.000 claims description 8
- 238000000605 extraction Methods 0.000 claims description 7
- 238000007599 discharging Methods 0.000 claims description 6
- 241000406668 Loxodonta cyclotis Species 0.000 claims description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 17
- 229910052681 coesite Inorganic materials 0.000 description 8
- 229910052906 cristobalite Inorganic materials 0.000 description 8
- 239000000377 silicon dioxide Substances 0.000 description 8
- 235000012239 silicon dioxide Nutrition 0.000 description 8
- 229910052682 stishovite Inorganic materials 0.000 description 8
- 229910052905 tridymite Inorganic materials 0.000 description 8
- 239000012535 impurity Substances 0.000 description 4
- 235000019738 Limestone Nutrition 0.000 description 3
- 239000006028 limestone Substances 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical group [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 235000010216 calcium carbonate Nutrition 0.000 description 1
- 125000005587 carbonate group Chemical group 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 229910052593 corundum Inorganic materials 0.000 description 1
- 238000006477 desulfuration reaction Methods 0.000 description 1
- 230000023556 desulfurization Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 238000009628 steelmaking Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229910001845 yogo sapphire Inorganic materials 0.000 description 1
Landscapes
- Combined Means For Separation Of Solids (AREA)
Abstract
The utility model discloses a cylinder screen lime block whitening screening device, which belongs to the technical field of lime block whitening screening equipment and comprises a cylinder, a motor reducer driving device, a first carrier roller and a second carrier roller, wherein a circular gear is arranged in the middle of the cylinder, a first circular track and a screen drum are arranged at the tail of the cylinder, a second circular track is arranged at the head of the cylinder, a driving gear is arranged on the motor reducer driving device, the driving gear is meshed with the circular gear, the first carrier roller is matched with the first circular track, the second carrier roller is matched with the second circular track, and the second carrier roller is Yu Shudi carrier rollers higher than the first carrier roller; the inner wall of the cylinder is provided with a plurality of conical wear-resistant steels, the screen cylinder consists of a screen part formed by a plurality of wear-resistant round steels, a blanking chute is arranged above the head of the cylinder, the blanking chute extends into the cylinder, and a lime block discharge port and a lime powder discharge port are arranged below the tail of the cylinder; the lime block solves the problem that the surface of the existing lime block presents gray black.
Description
Technical Field
The utility model belongs to the technical field of lime block whitening and screening equipment, and relates to a device for whitening and screening lime blocks by using a cylindrical screen.
Background
The raw material used for producing lime is carbonate rock, known as limestone. The main component of the limestone is CaCO3, the main components of impurities are SiO2, fe2O3 and Al2O3, and the surface of the limestone often contains some clay and sand. The main component of lime is CaO, and the lime generally contains impurities of SiO2, al2O3, fe2O3, P, S, al O3, fe2O3, CO2 and the like. The chemical composition of lime is the basis for measuring the quality of lime, and the higher the CaO content is, the better the CaO content is. The SiO2 content is high, and the SiO2 can be combined with CaO in the calcination process to generate 2CaO and SiO2, so that the 2CaO and the SiO2 are wrapped on the surface of lime to prevent lime from dissolving, so that the slag forming process is slowed down, the desulfurization and dephosphorization efficiency is influenced, and the activity is reduced, so that the SiO2 is harmful to steelmaking. After part of 2CaO and SiO2 is generated on the finished lime block, the lime block is wrapped on the surface of the lime block, and the lime block is gray black, so that the whiteness of the lime block is low, and the whiteness of the finished lime block is affected.
Disclosure of utility model
The utility model provides a cylinder screen lime block whitening screening device, which aims to solve the problem that the surface of the existing lime block presents gray black.
In order to solve the problems, the utility model adopts the following technical scheme: the device comprises a cylinder, a motor reducer driving device, a first carrier roller and a second carrier roller, wherein a circular gear is arranged in the middle of the cylinder, a first circular track and a screen drum are arranged at the tail of the cylinder, a second circular track is arranged at the head of the cylinder, the motor reducer driving device is provided with a driving gear, the driving gear is meshed with the circular gear, the motor reducer driving device can drive the cylinder to roll, the first carrier roller is matched with the first circular track, the first carrier roller is used for supporting the tail of the cylinder, the second carrier roller is matched with the second circular track, the second carrier roller is used for supporting the head of the cylinder, and the second carrier roller is higher than the first carrier roller, so that the head of the cylinder is higher than the tail of the cylinder; the inner wall of drum is equipped with a plurality of toper wear-resisting steel, the screen cylinder comprises many wear-resisting round steel components screening part the head top of drum is equipped with the unloading elephant trunk, the unloading elephant trunk extends to in the drum the afterbody below of drum is equipped with lime piece discharge gate and lime powder discharge gate, the lime piece discharge gate is located the terminal below of screen cylinder, the lime powder discharge gate is located the branch screening part below of screen cylinder, the lime black lime piece is followed the unloading elephant trunk enters into rolling in the drum, a plurality of in the drum the toper wear-resisting steel rubs the surface of lime black lime piece and scrapes and bumps and separate white lime piece and lime black lime powder, passes through the screen cylinder is with white lime piece and lime powder respectively follow lime piece discharge gate and lime powder discharge gate.
Among the above technical schemes, more specific technical schemes may also be: the head of the cylinder is covered with a blanking dust-pumping cover, which can prevent feeding dust.
Further: the tail part of the cylinder is covered with a discharging dust extraction cover, so that the discharging dust can be prevented.
Further: the edges of a plurality of the tapered wear resistant steels are spaced apart by a distance of 1cm.
Further: the length of the screen cylinder is not less than 0.8m.
Further: the spacing distance of the plurality of wear-resistant round steels is 3mm to 5mm.
Due to the adoption of the technical scheme, compared with the prior art, the utility model has the following beneficial effects: the surface of the lime block is rubbed and scraped through the conical wear-resistant steel, then the white lime block and the lime black lime powder which are rubbed and scraped are screened through the screen cylinder, and the lime block and the lime powder impurities are separated by adopting a physical mechanical principle, so that the lime black impurities on the surface of the lime are effectively removed, and the whiteness of a lime block finished product is improved.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a view from A-A in fig. 1.
Fig. 3 is a schematic view of the screen cylinder structure of the present utility model.
In the figure: 1. a cylinder; 11. a circular gear; 12. a screen drum; 121. wear-resistant round steel; 13. a first circular track; 14. a second circular track; 15. conical wear-resistant steel; 2. a motor reducer driving device; 21. a drive gear; 3. a first idler; 4. a second idler; 5. a blanking chute; 51. discharging dust extraction cover; 6. a lime block discharge port; 7. a lime powder discharge port; 8. and a discharging dust extraction cover.
Detailed Description
The utility model is further described below with reference to the examples of the drawings:
The lime block whitening and screening device of the cylindrical screen as shown in fig. 1 to 3 comprises a cylinder 1, a motor reducer driving device 2, a first carrier roller 3 and a second carrier roller 4, wherein a circular gear 11 is arranged in the middle of the cylinder 1, a first circular track 13 and a screen drum 12 are arranged at the tail of the cylinder 1, a second circular track 14 is arranged at the head of the cylinder 1, a driving gear 21 is arranged on the motor reducer driving device 2, the driving gear 21 is meshed with the circular gear 11, the first carrier roller 3 is matched with the first circular track 13, the second carrier roller 4 is matched with the second circular track 14, and the second carrier roller 4 is higher than the first carrier roller 3; the inner wall of the cylinder 1 is provided with a plurality of conical wear-resistant steels 15, the screen cylinder 12 is formed by a plurality of wear-resistant round steels 121 to form a screening part, a blanking chute 5 is arranged above the head of the cylinder 1, the blanking chute 5 extends into the cylinder 1, a lime block discharge port 6 and a lime powder discharge port 7 are arranged below the tail of the cylinder 1, the lime block discharge port 6 is positioned below the tail end of the screen cylinder 12, and the lime powder discharge port 7 is positioned below the screening part of the screen cylinder 12; a blanking dust extraction cover 51 is arranged on the head cover of the cylinder 1; a discharging dust extraction cover 8 is covered at the tail part of the cylinder 1; the spacing distance of the edges of the plurality of conical wear-resistant steels 15 is 1cm; the length of the screen drum 12 is not less than 0.8m; the plurality of wear-resistant round steels 121 are spaced apart by a distance of 3mm to 5mm.
When the device is used, the motor reducer driving device 2 is started to enable the cylinder 1 to start rolling, the lime black lime blocks enter the rolling cylinder 1 from the blanking chute 5, the surfaces of the lime black lime blocks are rubbed and scraped through the conical wear-resistant steels 15 in the cylinder 1, the white lime blocks and the lime black lime powder are separated, the white lime blocks and the lime black lime powder are screened through the screen cylinder 12, the white lime blocks are discharged from the lime block discharge port 6, and the lime black lime powder falls to the lime powder discharge port 7 from the gaps of the wear-resistant round steels 121 to be discharged.
Claims (6)
1. The utility model provides a cylinder sieve lime piece whitening screening plant which characterized in that: the device comprises a cylinder, a motor reducer driving device, a first carrier roller and a second carrier roller, wherein a circular gear is arranged in the middle of the cylinder, a first circular track and a screen drum are arranged at the tail of the cylinder, a second circular track is arranged at the head of the cylinder, the motor reducer driving device is provided with a driving gear, the driving gear is meshed with the circular gear, the first carrier roller is matched with the first circular track, the second carrier roller is matched with the second circular track, and the second carrier roller is higher than the first carrier roller; the inner wall of drum is equipped with a plurality of toper wear-resisting steel, the screen cylinder comprises many wear-resisting round steel components screening part be equipped with the unloading elephant trunk above the head of drum, the unloading elephant trunk extends to in the drum the afterbody below of drum is equipped with lime piece discharge gate and lime powder discharge gate, lime piece discharge gate is located the terminal below of screen cylinder, lime powder discharge gate is located the branch screening part below of screen cylinder.
2. The cylindrical screen lime block whitening and screening device of claim 1, wherein: the head of the cylinder is covered with a blanking dust-extraction cover.
3. A cylindrical screen lime block whitening screening apparatus according to claim 1 or 2, wherein: the tail part of the cylinder is covered with a discharging dust extraction cover.
4. A cylindrical screen lime block whitening screening apparatus as recited in claim 3, wherein: the edges of a plurality of the tapered wear resistant steels are spaced apart by a distance of 1cm.
5. The cylindrical screen lime block whitening and screening device of claim 4, wherein: the length of the screen cylinder is not less than 0.8m.
6. The cylindrical screen lime block whitening and screening device of claim 5, wherein: the spacing distance of the plurality of wear-resistant round steels is 3mm to 5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322176756.9U CN220804226U (en) | 2023-08-14 | 2023-08-14 | Lime block whitening screening device for cylinder screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322176756.9U CN220804226U (en) | 2023-08-14 | 2023-08-14 | Lime block whitening screening device for cylinder screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220804226U true CN220804226U (en) | 2024-04-19 |
Family
ID=90671094
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322176756.9U Active CN220804226U (en) | 2023-08-14 | 2023-08-14 | Lime block whitening screening device for cylinder screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220804226U (en) |
-
2023
- 2023-08-14 CN CN202322176756.9U patent/CN220804226U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |