CN203540677U - Raw coal crushing and sieving system - Google Patents
Raw coal crushing and sieving system Download PDFInfo
- Publication number
- CN203540677U CN203540677U CN201320749074.6U CN201320749074U CN203540677U CN 203540677 U CN203540677 U CN 203540677U CN 201320749074 U CN201320749074 U CN 201320749074U CN 203540677 U CN203540677 U CN 203540677U
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- China
- Prior art keywords
- raw coal
- blockage
- adhesive tape
- vibrating funnel
- machine
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 89
- 239000003245 coal Substances 0.000 title claims abstract description 89
- 238000007873 sieving Methods 0.000 title abstract 5
- 238000003860 storage Methods 0.000 claims abstract description 35
- 239000002390 adhesive tape Substances 0.000 claims abstract description 28
- 241001438449 Silo Species 0.000 claims description 23
- 238000006062 fragmentation reaction Methods 0.000 claims description 18
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 8
- 238000010334 sieve classification Methods 0.000 claims description 8
- 238000002360 preparation method Methods 0.000 claims description 6
- 229910052742 iron Inorganic materials 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 12
- 239000008188 pellet Substances 0.000 abstract description 4
- 238000007599 discharging Methods 0.000 abstract 1
- 238000010409 ironing Methods 0.000 abstract 1
- 235000010627 Phaseolus vulgaris Nutrition 0.000 description 19
- 240000005158 Phaseolus vulgaris Species 0.000 description 19
- 239000002802 bituminous coal Substances 0.000 description 16
- 239000002817 coal dust Substances 0.000 description 5
- 239000000446 fuel Substances 0.000 description 5
- 238000005453 pelletization Methods 0.000 description 5
- 239000000356 contaminant Substances 0.000 description 3
- CWYNVVGOOAEACU-UHFFFAOYSA-N fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 3
- 241000196324 Embryophyta Species 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 239000010881 fly ash Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 231100000486 side effect Toxicity 0.000 description 1
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Abstract
The utility model belongs to the technical field of pellet production, and particularly relates to a raw coal crushing and sieving system which comprises a raw coal storage device and a raw coal crushing device. The raw coal storage device comprises a raw coal underground receiving groove, a first anti-blocking vibration hopper, and a first quantitative adhesive tape feeder. The raw coal crushing device comprises a raw coal storage bin, a second anti-blocking vibration hopper, a second quantitative adhesive tape feeder, a crusher, and a first discharging chute. The raw coal crushing and sieving system is characterized in that a permanent magnet de-ironing separator is disposed above the output end of the first quantitative adhesive tape feeder, and a sieving and grading device is also connected with the raw coal crushing device. The raw coal crushing and sieving system is less in investment, low in repair rate and power consumption, and high in production efficiency.
Description
Technical field
The utility model belongs to pellet production technical field, especially relates to a kind of raw coal fragmentation and screening system.
Background technology
At present, pellet production line particularly grate-kiln pelletizing production line is built often near mining area, adopt like this gaseous fuel to provide fuel ratio more inconvenient to pellet production line, cost is higher, and therefore in actual production, multiselect becomes preferred fuels with bituminous coal beans and coal dust.Because need to the burn bituminous coal beans of certain size specification of pelletizing system is supplied with fluidized bed furnace as fuel, meanwhile, also need the bituminous coal beans of another dimensions to offer coal dust preparation system.Under normal circumstances, bituminous coal beans size has been ignored to the impact of producing by pelletizing plant, and pelletizing plant only buys the bituminous coal beans of certain specification size, directly uses after directly utilizing crusher in crushing.There is following problem in this method: 1), owing to the bituminous coal beans after fragmentation not being carried out to sieve classification, such bituminous coal beans tends to mix the bituminous coal beans of ultra-specification, cannot provide the fuel that conforms with equipment requirement to particular device; 2), because coal dust preparation system need to be used the bituminous coal beans that dimensions is little, if when the raw coal size of bituminous coal beans exceedes the treatable size of equipment institute, will make production efficiency of equipment greatly reduce, may cause coal dust undersupply to affect pelletizing production; 3) the fluidized bed furnace bituminous coal beans of large-size specification that need to burn, otherwise can cause the content of some flyash to cause greatly that dedusting burden is large waits side effect.4) bituminous coal beans can mix ferrous contaminants, affects the safe operation of follow-up equipment.
Summary of the invention
The purpose of this utility model is to provide a kind of small investment, maintenance rate is low, power consumption is low, production efficiency is high raw coal fragmentation and screening system.
The purpose of this utility model realizes by following technical proposals:
Raw coal fragmentation of the present utility model and screening system, comprise raw coal storage device, by the raw coal haul sealing-tape machine raw coal disintegrating machine that raw coal storage device is connected therewith, described raw coal storage device comprises the underground ore deposit groove that is subject to of raw coal, be located at the underground Anti-blockage Vibrating funnel I that is subject to groove bottom, ore deposit of this raw coal, be located at the quantitative feeder for adhesive tape I of this Anti-blockage Vibrating funnel I below, described raw coal disintegrating machine comprises raw coal storage silo, be located at the Anti-blockage Vibrating funnel II of this raw coal storage silo bottom, be located at the quantitative feeder for adhesive tape II of this Anti-blockage Vibrating funnel II below, the disintegrating machine that quantitatively output of feeder for adhesive tape II is connected therewith, be located at the discharge chute I of this disintegrating machine port of export, the input of described raw coal haul sealing-tape machine is located at the below of described quantitative feeder for adhesive tape I, the output of described raw coal haul sealing-tape machine is located at the top of described raw coal storage silo, it is characterized in that being provided with permanent-magnetic iron expeller above the output of described raw coal haul sealing-tape machine, the sieve classification device being in addition connected with described raw coal disintegrating machine, this sieve classification device comprises the bucket elevator being connected with described discharge chute I, the discharge chute II that bucket elevator is connected therewith, the screening machine that discharge chute II is connected therewith, be located at the duff storage silo being connected under this sifted and by discharge chute III, be located at the Anti-blockage Vibrating funnel III of this duff storage silo bottom, be located at flow control valve III and the feed by-pass valve control III of this Anti-blockage Vibrating funnel III feed opening, be located at the quantitative feeder for adhesive tape III of described Anti-blockage Vibrating funnel III below, the pulverized coal preparation haul sealing-tape machine that quantitatively feeder for adhesive tape III is connected therewith, the discharge chute IV being connected with described sifted top discharge mouth, the rough coal storage silo that discharge chute IV is connected therewith, be located at the Anti-blockage Vibrating funnel IV of this rough coal storage silo bottom, be located at flow control valve IV and the feed by-pass valve control IV of this Anti-blockage Vibrating funnel IV feed opening, be located at the quantitative feeder for adhesive tape IV of described Anti-blockage Vibrating funnel IV below, the fluidized bed furnace haul sealing-tape machine that quantitatively feeder for adhesive tape IV is connected therewith.
At the feed opening of described Anti-blockage Vibrating funnel I, be provided with flow control valve I and feed by-pass valve control I.
At the feed opening of described Anti-blockage Vibrating funnel II, be provided with flow control valve II and feed by-pass valve control II.
The sieve diameter of described screening machine is 10mm.
Advantage of the present utility model:
(1) raw coal fragmentation of the present utility model and screening system can carry out classification to the bituminous coal beans after fragmentation, guarantee the efficient operation of fluidized bed furnace and coal dust preparation system;
(2) raw coal fragmentation of the present utility model and screening system have carried out deironing processing before fragmentation to bituminous coal beans, have effectively removed the ferrous contaminants in raw material, and follow-up equipment can be moved safely and effectively;
(3) the broken and screening system of raw coal of the present utility model is equipped with flow control valve and feed by-pass valve control in the bottom of run coal bins at different levels, effectively controls feed flow and guarantees the stability of feed.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
The specific embodiment
Below in conjunction with accompanying drawing, further illustrate the specific embodiment of the present utility model.
As shown in Figure 1, raw coal fragmentation of the present utility model and screening system, comprise raw coal storage device, by raw coal haul sealing-tape machine 8 raw coal disintegrating machine that raw coal storage device is connected therewith, described raw coal storage device comprises the underground ore deposit groove 2 that is subject to of raw coal, be located at the underground Anti-blockage Vibrating funnel I 3 that is subject to ore deposit groove 2 bottoms of this raw coal, be located at the quantitative feeder for adhesive tape I 6 of these Anti-blockage Vibrating funnel I 3 belows, described raw coal disintegrating machine comprises raw coal storage silo 9, be located at the Anti-blockage Vibrating funnel II 10 of these raw coal storage silo 9 bottoms, be located at the quantitative feeder for adhesive tape II 13 of these Anti-blockage Vibrating funnel II 10 belows, the disintegrating machine 14 that quantitatively output of feeder for adhesive tape II 13 is connected therewith, be located at the discharge chute I 15 of these disintegrating machine 14 ports of export, the input of described raw coal haul sealing-tape machine 8 is located at the below of described quantitative feeder for adhesive tape I 6, the output of described raw coal haul sealing-tape machine 8 is located at the top of described raw coal storage silo 9, it is characterized in that being provided with permanent-magnetic iron expeller 7 above the output of described raw coal haul sealing-tape machine 8, the sieve classification device being in addition connected with described raw coal disintegrating machine, this sieve classification device comprises the bucket elevator 16 being connected with described discharge chute I 15, the discharge chute II 17 that bucket elevator 16 is connected therewith, the screening machine 18 that discharge chute II 17 is connected therewith, be located at the duff storage silo 20 that these screening machine 18 sieves are lower and be connected by discharge chute III 19, be located at the Anti-blockage Vibrating funnel III 21 of these duff storage silo 20 bottoms, be located at flow control valve III 22 and the feed by-pass valve control III 23 of these Anti-blockage Vibrating funnel III 21 feed openings, be located at the quantitative feeder for adhesive tape III 24 of described Anti-blockage Vibrating funnel III 21 belows, the pulverized coal preparation haul sealing-tape machine 25 that quantitatively feeder for adhesive tape III 24 is connected therewith, sieve with described screening machine 18 the discharge chute IV 26 that top discharge mouth is connected, the rough coal storage silo 27 that discharge chute IV 26 is connected therewith, be located at the Anti-blockage Vibrating funnel IV 28 of these rough coal storage silo 27 bottoms, be located at flow control valve IV 29 and the feed by-pass valve control IV 30 of these Anti-blockage Vibrating funnel IV 28 feed openings, be located at the quantitative feeder for adhesive tape IV 31 of described Anti-blockage Vibrating funnel IV 28 belows, the fluidized bed furnace haul sealing-tape machine 32 that quantitatively feeder for adhesive tape IV 31 is connected therewith.
At the feed opening of described Anti-blockage Vibrating funnel I 3, be provided with flow control valve I 4 and feed by-pass valve control I 5.
At the feed opening of described Anti-blockage Vibrating funnel II 10, be provided with flow control valve II 11 and feed by-pass valve control II 12.
The sieve diameter of described screening machine 18 is 10mm.
Raw coal fragmentation of the present utility model and screening system, be transported to raw coal to be arranged on the other underground ore deposit groove 2 that is subject to of raw coal of former dump from dump 1, then be transported to raw coal disintegrating machine fragmentation by quantitative feeder for adhesive tape I 6, then be transported to sieve classification device and carry out classification processing.Before the raw coal of bituminous coal beans enters raw coal disintegrating machine, by permanent-magnetic iron expeller 7 deironing in advance, remove ferrous contaminants in raw material, protected the safety of follow-up equipment operation.Bituminous coal beans after raw coal disintegrating machine fragmentation is promoted on screening machine 18 by bucket elevator 16, and the beans grade after fragmentation is below 15mm.Screening machine 18 is laboratory sifter, and sieve diameter is 10mm, and diameter is less than under the sieve of 10mm fine fraction beans and enters duff storage silo 20 and store, and diameter is greater than coarse fraction beans on the sieve of 10mm and enters rough coal storage silo 27 and store.Broken and the screening system of raw coal of the present utility model is equipped with flow control valve and feed by-pass valve control in the bottom of run coal bins at different levels, effectively control feed flow and guarantee the stability of feed.The utility model small investment, maintenance rate is low, power consumption is low, production efficiency is high, can meet the needs of actual production.
Claims (4)
1. a raw coal fragmentation and screening system, comprise raw coal storage device, by the raw coal haul sealing-tape machine raw coal disintegrating machine that raw coal storage device is connected therewith, described raw coal storage device comprises the underground ore deposit groove that is subject to of raw coal, be located at the underground Anti-blockage Vibrating funnel I that is subject to groove bottom, ore deposit of this raw coal, be located at the quantitative feeder for adhesive tape I of this Anti-blockage Vibrating funnel I below, described raw coal disintegrating machine comprises raw coal storage silo, be located at the Anti-blockage Vibrating funnel II of this raw coal storage silo bottom, be located at the quantitative feeder for adhesive tape II of this Anti-blockage Vibrating funnel II below, the disintegrating machine that quantitatively output of feeder for adhesive tape II is connected therewith, be located at the discharge chute I of this disintegrating machine port of export, the input of described raw coal haul sealing-tape machine is located at the below of described quantitative feeder for adhesive tape I, the output of described raw coal haul sealing-tape machine is located at the top of described raw coal storage silo, it is characterized in that being provided with permanent-magnetic iron expeller above the output of described raw coal haul sealing-tape machine, the sieve classification device being in addition connected with described raw coal disintegrating machine, this sieve classification device comprises the bucket elevator being connected with described discharge chute I, the discharge chute II that bucket elevator is connected therewith, the screening machine that discharge chute II is connected therewith, be located at the duff storage silo being connected under this sifted and by discharge chute III, be located at the Anti-blockage Vibrating funnel III of this duff storage silo bottom, be located at flow control valve III and the feed by-pass valve control III of this Anti-blockage Vibrating funnel III feed opening, be located at the quantitative feeder for adhesive tape III of described Anti-blockage Vibrating funnel III below, the pulverized coal preparation haul sealing-tape machine that quantitatively feeder for adhesive tape III is connected therewith, the discharge chute IV being connected with described sifted top discharge mouth, the rough coal storage silo that discharge chute IV is connected therewith, be located at the Anti-blockage Vibrating funnel IV of this rough coal storage silo bottom, be located at flow control valve IV and the feed by-pass valve control IV of this Anti-blockage Vibrating funnel IV feed opening, be located at the quantitative feeder for adhesive tape IV of described Anti-blockage Vibrating funnel IV below, the fluidized bed furnace haul sealing-tape machine that quantitatively feeder for adhesive tape IV is connected therewith.
2. raw coal fragmentation according to claim 1 and screening system, is characterized in that being provided with flow control valve I and feed by-pass valve control I at the feed opening of described Anti-blockage Vibrating funnel I.
3. raw coal fragmentation according to claim 1 and screening system, is characterized in that being provided with flow control valve II and feed by-pass valve control II at the feed opening of described Anti-blockage Vibrating funnel II.
4. raw coal fragmentation according to claim 1 and screening system, is characterized in that the sieve diameter of described screening machine is 10mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320749074.6U CN203540677U (en) | 2013-11-25 | 2013-11-25 | Raw coal crushing and sieving system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320749074.6U CN203540677U (en) | 2013-11-25 | 2013-11-25 | Raw coal crushing and sieving system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203540677U true CN203540677U (en) | 2014-04-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320749074.6U Expired - Fee Related CN203540677U (en) | 2013-11-25 | 2013-11-25 | Raw coal crushing and sieving system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203540677U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103599888A (en) * | 2013-11-25 | 2014-02-26 | 中冶北方（大连）工程技术有限公司 | Raw coal crushing and screening system |
| CN104280103A (en) * | 2014-09-30 | 2015-01-14 | 华电电力科学研究院 | Pulverized coal weighing sample injection device and method |
-
2013
- 2013-11-25 CN CN201320749074.6U patent/CN203540677U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103599888A (en) * | 2013-11-25 | 2014-02-26 | 中冶北方（大连）工程技术有限公司 | Raw coal crushing and screening system |
| CN104280103A (en) * | 2014-09-30 | 2015-01-14 | 华电电力科学研究院 | Pulverized coal weighing sample injection device and method |
| CN104280103B (en) * | 2014-09-30 | 2017-04-19 | 华电电力科学研究院 | Pulverized coal weighing sample injection device and method |
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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 |
Granted publication date: 20140416 Termination date: 20201125 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |