CN204564300U - High pressure roller mill closed-circuit system - Google Patents
High pressure roller mill closed-circuit system Download PDFInfo
- Publication number
- CN204564300U CN204564300U CN201520263136.1U CN201520263136U CN204564300U CN 204564300 U CN204564300 U CN 204564300U CN 201520263136 U CN201520263136 U CN 201520263136U CN 204564300 U CN204564300 U CN 204564300U
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- Prior art keywords
- high pressure
- pressure roller
- roller mill
- sieve
- discharge
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- 238000012216 screening Methods 0.000 claims abstract description 47
- 238000003860 storage Methods 0.000 claims abstract description 40
- 239000000463 material Substances 0.000 claims description 48
- 241000196324 Embryophyta Species 0.000 claims description 14
- 241000209202 Bromus secalinus Species 0.000 claims description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 12
- 229910052742 iron Inorganic materials 0.000 abstract description 6
- 230000003203 everyday effect Effects 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 description 1
- 238000007885 magnetic separation Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Crushing And Grinding (AREA)
Abstract
The utility model belongs to iron ore mine high pressure roller mill technical field, especially a kind of high pressure roller mill closed-circuit system is related to, comprise high pressure roller mill feed hopper, high pressure roller mill device and screening plant, be connected by high pressure roller mill feed ribbon conveyer between high pressure roller mill feed hopper and high pressure roller mill device, high pressure roller mill device comprises high pressure roller mill feed surge bunker, high pressure roller mill feed ribbon conveyer, high pressure roller mill feed hopper, high pressure rod mill and high pressure roller mill discharge ribbon conveyer, screening plant comprises screening feed surge bunker, vibratory sieve feed ribbon conveyer, vibratory sieve, discharge ribbon conveyer and the lower pump pond of sieve on sieve, it is characterized in that between high pressure roller mill device and screening plant, be also provided with high pressure roller mill discharge storage ore storage bin, discharge storage ore storage bin on sieve is provided with at the afterbody of screening plant.High pressure roller mill discharge circular cone stockyard of the present utility model and the upper bypass circular cone stockyard of sieve are stores up on the spot, does not need to build ore storage bin, saves investment.
Description
Technical field
The utility model belongs to iron ore mine high pressure roller mill technical field, especially relates to a kind of high pressure roller mill closed-circuit system.
Background technology
High pressure roller mill adopts the mode of attrition crushing, and after broken, ore fine ore ratio is large, and iron ore has inherent crack, can reduce the energy consumption of hypomere grinding operation to a certain extent; Although high pressure roller mill-sieve closed circuit product granularity can reach at below 3mm-6mm, but coarsegrain wet magnetic separation is carried out to it, particularly low-grade magnetite mountain, some mines can be made, whipping can reach 20%-30%, if whipping part no longer enters follow-up mill and selects system, then greatly reduce energy consumption, equipment investment and costs of production and operation.For iron ore, there is following problem in high pressure roller mill-sieve closed circuit cooperation coarsegrain wet type whipping technique:
1, iron ore hardness is large, have larger wearing and tearing to the roller nail on the roll body surface of high-pressure roller mill, mine iron ore production practices prove, due to roller nail serious wear, high pressure roller mill need be shut down and within 5 hours, be carried out roller nail built-up welding upkeep operation every day, caused be only 6000 hours the activity duration in year of high pressure roller mill;
2, when high pressure roller mill maintenance shut-downs, follow-up screening machine mill is elected to be industry also in continuation, and this just needs have reserves to be the high pressure roller mill discharge storage ore storage bin of 5 hours at screening operation;
3, high pressure roller mill maintenance shut-downs, when screening operation continues operation, on sieve, discharge also needs reserves is that on the sieve of 5 hours, ore storage bin store by discharge;
4, to the storage ore storage bin of 5 hours storage ore deposit amounts in large-scale mine, its warehouse volume of inevitable requirement is large, and effective depth even will reach 20-30m, makes investment too high, improves and produces cost.Simultaneously for the breeze of below 6mm-3mm, be easy to again block in ore storage bin.
Summary of the invention
The purpose of this utility model be to provide a kind of technique simple, reduce investment outlay, can ensure to sieve and the operating rate of subsequent job, the high pressure roller mill closed-circuit system that breeze blocks can be prevented again.
The purpose of this utility model is realized by following technical proposals:
High pressure roller mill closed-circuit system of the present utility model, comprise high pressure roller mill feed hopper, high pressure roller mill device and screening plant, be connected by high pressure roller mill feed ribbon conveyer between described high pressure roller mill feed hopper and high pressure roller mill device, described high pressure roller mill device comprises high pressure roller mill feed surge bunker, high pressure roller mill feed ribbon conveyer, high pressure roller mill feed hopper, high pressure rod mill and high pressure roller mill discharge ribbon conveyer, described screening plant comprises screening feed surge bunker, vibratory sieve feed ribbon conveyer, vibratory sieve, discharge ribbon conveyer and the lower pump pond of sieve on sieve, it is characterized in that between described high pressure roller mill device and screening plant, be also provided with high pressure roller mill discharge storage ore storage bin, discharge storage ore storage bin on sieve is provided with at the afterbody of screening plant,
On described sieve, the head funnel II of discharge ribbon conveyer is bifurcated funnel, discharge chute I and discharge chute II is respectively equipped with in the below of described head funnel II, described discharge chute I bottom is provided with the new feed ribbon conveyer of high pressure roller mill, and this high pressure roller mill new feed ribbon conveyer is connected with described high pressure roller mill feed hopper.
Described high pressure roller mill discharge storage ore storage bin comprises the high pressure roller mill discharge circular cone stockyard below the head funnel I being arranged on described high pressure roller mill discharge ribbon conveyer, be arranged on row's high pressure roller mill discharge material feeding hole of this side, high pressure roller mill discharge circular cone stockyard, be arranged on the screening feed surge bunker feed ribbon conveyer of this bottom, row high pressure roller mill discharge material feeding hole, described screening feed surge bunker feed ribbon conveyer is arranged on described screening feed surge bunker top.
On described sieve, discharge storage ore storage bin comprises discharge bypass ribbon conveyer on the sieve that is positioned at below described discharge chute II, bypass circular cone stockyard on sieve below the head funnel III being arranged on discharge bypass ribbon conveyer on described sieve, be arranged on a upper bypass material feeding hole of row's sieve of the upper side, bypass circular cone stockyard of this sieve, on the sieve being located at this bottom, row sieve upper bypass material feeding hole, bypass returns ribbon conveyer, and described high pressure roller mill new feed ribbon conveyer is positioned at bypass on described sieve and returns below the head funnel IV of ribbon conveyer.
Described row's high pressure roller mill discharge material feeding hole, cheats dark 2m-3m.
A described upper bypass material feeding hole of row's sieve, cheats dark 2m-3m.
Advantage of the present utility model:
(1) high pressure roller mill closed-circuit system of the present utility model, its high pressure roller mill discharge circular cone stockyard and the upper bypass circular cone stockyard of sieve are stores up on the spot, does not need to build ore storage bin, saves investment;
(2) high pressure roller mill closed-circuit system of the present utility model, the reserves in its high pressure roller mill discharge circular cone stockyard are the screening operation ore deposit of 5 hours amount, on sieve, the reserves in bypass circular cone stockyard are the ore discharge amount of sieve upper 5 hour, ensure that when high pressure roller mill is safeguarded every day successively, the operating rate of screening and subsequent job, ensure that the output in ore dressing plant;
(3) high pressure roller mill closed-circuit system of the present utility model, material constantly pushes material feeding by bull-dozer and cheats, and the material feeding hole degree of depth is only 2m-3m, and material is not easily put up a bridge and tied arch in hole, solves powder blockage problem.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Detailed description of the invention
Detailed description of the invention of the present utility model is further illustrated below in conjunction with accompanying drawing.
As shown in Figure 1, high pressure roller mill closed-circuit system of the present utility model, comprise high pressure roller mill feed hopper 1, high pressure roller mill device and screening plant, be connected by high pressure roller mill feed ribbon conveyer 2 between described high pressure roller mill feed hopper 1 and high pressure roller mill device, described high pressure roller mill device comprises high pressure roller mill feed surge bunker 3, high pressure roller mill feed ribbon conveyer 4, high pressure roller mill feed hopper 5, high pressure rod mill 6 and high pressure roller mill discharge ribbon conveyer 7, described screening plant comprises screening feed surge bunker 8, vibratory sieve feed ribbon conveyer 9, vibratory sieve 10, discharge ribbon conveyer 11 and the lower pump pond 12 of sieve on sieve, it is characterized in that between described high pressure roller mill device and screening plant, be also provided with high pressure roller mill discharge storage ore storage bin, discharge storage ore storage bin on sieve is provided with at the afterbody of screening plant,
On described sieve, the head funnel II 17 of discharge ribbon conveyer 11 is bifurcated funnel, discharge chute I 18 and discharge chute II 20 is respectively equipped with in the below of described head funnel II 17, described discharge chute I 18 bottom is provided with the new feed ribbon conveyer 19 of high pressure roller mill, and this high pressure roller mill new feed ribbon conveyer 19 is connected with described high pressure roller mill feed hopper 1.
Described high pressure roller mill discharge storage ore storage bin comprises the high pressure roller mill discharge circular cone stockyard 14 below the head funnel I 13 being arranged on described high pressure roller mill discharge ribbon conveyer 7, be arranged on row's high pressure roller mill discharge material feeding hole 15 of this side, high pressure roller mill discharge circular cone stockyard 14, be arranged on the screening feed surge bunker feed ribbon conveyer 16 that 15 bottoms are cheated in this row high pressure roller mill discharge material feeding, described screening feed surge bunker feed ribbon conveyer 16 is arranged on described screening feed surge bunker 8 top.
On described sieve, discharge storage ore storage bin comprises discharge bypass ribbon conveyer 21 on the sieve that is positioned at below described discharge chute II 20, bypass circular cone stockyard 23 on sieve below the head funnel III 22 being arranged on discharge bypass ribbon conveyer 21 on described sieve, be arranged on a upper bypass material feeding hole 24 of row's sieve of the upper side, bypass circular cone stockyard 23 of this sieve, be located at bypass on sieve that the upper bypass material feeding of this row sieve cheats 24 bottoms and return ribbon conveyer 25, described high pressure roller mill new feed ribbon conveyer 19 is positioned at bypass on described sieve and returns below the head funnel IV 26 of ribbon conveyer 25.
Described row's high pressure roller mill discharge material feeding hole 15, cheats dark 2m-3m.
A described upper bypass material feeding hole 24 of row's sieve, cheats dark 2m-3m.
Described high pressure roller mill feed surge bunker 3 is 15-20 minute with screening feed surge bunker 8 reserves.
High pressure roller mill discharge circular cone stockyard 14 is provided with below head funnel I 13 due to described high pressure roller mill discharge ribbon conveyer 7, its storage time is 5 hours, row's high pressure roller mill discharge material feeding hole 15 is provided with in side, high pressure roller mill discharge circular cone stockyard 14, cheat dark 2-3m, the material feeding of high pressure roller mill discharge is cheated 15 bottoms and is provided with screening feed surge bunker feed ribbon conveyer 16, on described sieve discharge bypass ribbon conveyer 21 head funnel III 22 below be provided with the upper bypass circular cone stockyard 23 of sieve, its storage time is 5 hours, on sieve, side, bypass circular cone stockyard 23 is provided with bypass material feeding hole 24 on row's sieve, cheat dark 2-3m, sieve is provided with the upper bypass of sieve below bypass material feeding hole 24 and returns ribbon conveyer 25, the new feed ribbon conveyer 19 of high pressure roller mill is below the head funnel IV 26 that on sieve, bypass returns ribbon conveyer 25, ensure that when high pressure roller mill is safeguarded every day successively, the operating rate of screening and subsequent job, ensure that the output in ore dressing plant, material constantly pushes material feeding hole by bull-dozer in addition, the material feeding hole degree of depth is only 2m-3m, material is not easily put up a bridge and is tied arch in hole, solve powder blockage problem.
The course of work of the present utility model is:
When high pressure rod mill 6 normally works, on sieve, discharge ribbon conveyer 11 material feeds high pressure roller mill feed hopper 1 by the new feed ribbon conveyer 19 of high pressure roller mill together with the material of high pressure roller mill new feed ribbon conveyer 19, material feeds high pressure roller mill feed surge bunker 3 by high pressure roller mill feed ribbon conveyer 2 under storehouse, and material feeds high pressure roller mill feed hopper 5 by high pressure roller mill feed surge bunker 3 times high pressure roller mill feed ribbon conveyers 4 and feeds high-pressure roller mill 6.After broken, material feeds high pressure roller mill discharge circular cone stockyard 14 by high pressure roller mill discharge ribbon conveyer 7, stockyard material feeds high pressure roller mill discharge material feeding hole 15 by bull-dozer, cheat 15 times screening feed surge bunker feed ribbon conveyers 16 by the material feeding of high pressure roller mill discharge again and feed screening feed surge bunker 8, material feeds vibratory sieve 10 by screening feed surge bunker 8 times vibratory sieve feed ribbon conveyers 9, undersize feeds the lower pump pond 12 of sieve, oversize feeds the upper discharge ribbon conveyer 11 of sieve, feed again and just form circulation at the new feed ribbon conveyer 19 of the high pressure roller mill of operation.
When high-pressure roller mill 6 normally works, hour disposal ability is higher than screening operation, and every day works 5 hours less relative to screening operation, but can produce the fine ore being not less than screening operation 5 hours ore deposit amounts more.
During high-pressure roller mill 6 maintenance shut-downs, 5 hours screening operation materials that high pressure roller mill discharge circular cone stockyard 14 stores feed high pressure roller mill discharge material feeding hole 15 by bull-dozer, cheat 15 times screening feed surge bunker feed ribbon conveyers 16 by the material feeding of high pressure roller mill discharge again and feed screening feed surge bunker 8, material feeds vibratory sieve 10 by screening feed surge bunker 8 times vibratory sieve feed ribbon conveyers 9, undersize feeds the lower pump pond 12 of sieve, oversize feeds the upper discharge ribbon conveyer 11 of sieve, because the new feed ribbon conveyer 19 of high pressure roller mill is shut down, material is discharged to the upper bypass circular cone stockyard 23 of sieve.
When high-pressure roller mill 6 restarts; the new feed ribbon conveyer 19 of high pressure roller mill starts to change running into by shutdown; on sieve, the material in bypass circular cone stockyard 23 feeds bypass material feeding by bull-dozer and cheats 24, and material is cheated bypass on the sieve of 24 bottoms by bypass material feeding and returned ribbon conveyer 25 and give back to the new feed ribbon conveyer 19 of high pressure roller mill.
High pressure roller mill closed-circuit system of the present utility model, its high pressure roller mill discharge circular cone stockyard 14 and the upper bypass circular cone stockyard 23 of sieve are stores up on the spot, does not need to build ore storage bin, saves investment.
Claims (5)
1. a high pressure roller mill closed-circuit system, comprise high pressure roller mill feed hopper, high pressure roller mill device and screening plant, be connected by high pressure roller mill feed ribbon conveyer between described high pressure roller mill feed hopper and high pressure roller mill device, described high pressure roller mill device comprises high pressure roller mill feed surge bunker, high pressure roller mill feed ribbon conveyer, high pressure roller mill feed hopper, high pressure rod mill and high pressure roller mill discharge ribbon conveyer, described screening plant comprises screening feed surge bunker, vibratory sieve feed ribbon conveyer, vibratory sieve, discharge ribbon conveyer and the lower pump pond of sieve on sieve, it is characterized in that between described high pressure roller mill device and screening plant, be also provided with high pressure roller mill discharge storage ore storage bin, discharge storage ore storage bin on sieve is provided with at the afterbody of screening plant,
On described sieve, the head funnel II of discharge ribbon conveyer is bifurcated funnel, discharge chute I and discharge chute II is respectively equipped with in the below of described head funnel II, described discharge chute I bottom is provided with the new feed ribbon conveyer of high pressure roller mill, and this high pressure roller mill new feed ribbon conveyer is connected with described high pressure roller mill feed hopper.
2. high pressure roller mill closed-circuit system according to claim 1, it is characterized in that described high pressure roller mill discharge storage ore storage bin comprises the high pressure roller mill discharge circular cone stockyard below the head funnel I being arranged on described high pressure roller mill discharge ribbon conveyer, be arranged on row's high pressure roller mill discharge material feeding hole of this side, high pressure roller mill discharge circular cone stockyard, be arranged on the screening feed surge bunker feed ribbon conveyer of this bottom, row high pressure roller mill discharge material feeding hole, described screening feed surge bunker feed ribbon conveyer is arranged on described screening feed surge bunker top.
3. high pressure roller mill closed-circuit system according to claim 1, it is characterized in that the storage of discharge on described sieve ore storage bin comprises discharge bypass ribbon conveyer on the sieve that is positioned at below described discharge chute II, bypass circular cone stockyard on sieve below the head funnel III being arranged on discharge bypass ribbon conveyer on described sieve, be arranged on a upper bypass material feeding hole of row's sieve of the upper side, bypass circular cone stockyard of this sieve, on the sieve being located at this bottom, row sieve upper bypass material feeding hole, bypass returns ribbon conveyer, described high pressure roller mill new feed ribbon conveyer is positioned at bypass on described sieve and returns below the head funnel IV of ribbon conveyer.
4. high pressure roller mill closed-circuit system according to claim 2, is characterized in that described row's high pressure roller mill discharge material feeding hole, cheats dark 2m-3m.
5. high pressure roller mill closed-circuit system according to claim 3, is characterized in that a described upper bypass material feeding hole of row's sieve, cheats dark 2m-3m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520263136.1U CN204564300U (en) | 2015-04-28 | 2015-04-28 | High pressure roller mill closed-circuit system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520263136.1U CN204564300U (en) | 2015-04-28 | 2015-04-28 | High pressure roller mill closed-circuit system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204564300U true CN204564300U (en) | 2015-08-19 |
Family
ID=53856993
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520263136.1U Expired - Fee Related CN204564300U (en) | 2015-04-28 | 2015-04-28 | High pressure roller mill closed-circuit system |
Country Status (1)
| Country | Link |
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| CN (1) | CN204564300U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106733077A (en) * | 2016-12-07 | 2017-05-31 | 中核四0四有限公司 | A kind of device and method crushed for uranium oxide |
| CN107812561A (en) * | 2017-12-12 | 2018-03-20 | 成都利君实业股份有限公司 | A kind of high pressure roller scattering and grading closed-circuit grinding environment friendly system |
| CN113058726A (en) * | 2021-03-26 | 2021-07-02 | 中冶北方（大连）工程技术有限公司 | System for improving screening closed-circuit operation rate of high-pressure roller mill |
-
2015
- 2015-04-28 CN CN201520263136.1U patent/CN204564300U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106733077A (en) * | 2016-12-07 | 2017-05-31 | 中核四0四有限公司 | A kind of device and method crushed for uranium oxide |
| CN107812561A (en) * | 2017-12-12 | 2018-03-20 | 成都利君实业股份有限公司 | A kind of high pressure roller scattering and grading closed-circuit grinding environment friendly system |
| CN113058726A (en) * | 2021-03-26 | 2021-07-02 | 中冶北方（大连）工程技术有限公司 | System for improving screening closed-circuit operation rate of high-pressure roller mill |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150819 Termination date: 20200428 |