CN103816979A - Medium coal deep crushing, grading and gangue discharging integrated device - Google Patents
Medium coal deep crushing, grading and gangue discharging integrated device Download PDFInfo
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- CN103816979A CN103816979A CN201410073269.2A CN201410073269A CN103816979A CN 103816979 A CN103816979 A CN 103816979A CN 201410073269 A CN201410073269 A CN 201410073269A CN 103816979 A CN103816979 A CN 103816979A
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- feeding
- lathe body
- mine tailing
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- 239000003245 coal Substances 0.000 title claims abstract description 49
- 238000007599 discharging Methods 0.000 title abstract 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 31
- 239000012530 fluid Substances 0.000 claims abstract description 24
- 239000000463 material Substances 0.000 claims abstract description 22
- 230000006641 stabilisation Effects 0.000 claims description 13
- 238000011105 stabilization Methods 0.000 claims description 13
- 230000001174 ascending effect Effects 0.000 claims description 9
- 238000003466 welding Methods 0.000 claims description 3
- 238000005406 washing Methods 0.000 abstract description 2
- 230000000087 stabilizing effect Effects 0.000 abstract 3
- 230000000630 rising effect Effects 0.000 abstract 1
- 238000013467 fragmentation Methods 0.000 description 9
- 238000006062 fragmentation reaction Methods 0.000 description 9
- 238000000926 separation method Methods 0.000 description 9
- 239000007787 solid Substances 0.000 description 7
- 239000008187 granular material Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 238000004939 coking Methods 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 238000012216 screening Methods 0.000 description 3
- 239000002956 ash Substances 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000003550 marker Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 235000019738 Limestone Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 238000003889 chemical engineering Methods 0.000 description 1
- 239000010883 coal ash Substances 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000000703 high-speed centrifugation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000006028 limestone Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000009527 percussion Methods 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The invention discloses a medium coal deep crushing, grading and gangue discharging integrated device which comprises a feeding system, a crushing system, a water rising system and a discharging system, wherein the feeding system is used for feeding medium coal into a crushing system; the crushing system comprises a crusher bed body, a main shaft rotor body is arranged in the crusher bed body, a crushing rod is arranged at the lower part of the main shaft rotor body, a crushing toothed plate is arranged on the inner wall of the crusher bed body, and a supporting plate is arranged at the bottom of the crusher bed body; the feeding system comprises a feeding barrel arranged at the upper part of the main shaft rotor body, the feeding barrel is connected with a feeding box through a feeding pipe, and a material distributor is arranged at the bottom of the feeding barrel; the water lifting system comprises a fluid distributor arranged above the supporting plate and a flow stabilizing box welded around the middle lower part of the outer wall of the crusher bed body, the water outlet of the flow stabilizing box is connected with the washing water distribution chamber through a branch pipe, and the water inlet of the flow stabilizing box is connected with the main water inlet pipe; the discharge system comprises an overflow collecting tank arranged on the outer side of the upper part of the crushing machine body and a tailing bucket arranged below the supporting plate.
Description
Technical field
The present invention relates to cleaning unit technical field, specifically, be that a kind of technological process is short, integrated level is high, can carry out continuously fragmentation, middle coal that classification has discharge refuse function concurrently selects Novel integrated gasifying device again.
Background technology
Although rich coal resources in China, coking coal resource is relatively deficient, belongs to rare coal.China enters to wash coking coal and the rich coal of more than 200,000,000 ton every year, middle coal productive rate on average more than 30%, greatly Oversized Coking Coal Cleaning Plant to wash midale coal ash lower, mostly use as thermal coal, cause the waste of rare coal.Coking coal wash middle coal depth crushing again selecting technology be proved, therefrom the coal selected qualified coking coal cleans productive rate that dissociates can reach more than 30%, total clean coal yield can improve 2-6 percentage point, economic benefit and social benefit are very remarkable.
But centering coal carries out direct washing and is difficult to sub-elect qualified cleaned coal again.One of approach addressing this problem is to carry out depth crushing by centering coal to select again, and this degree of depth that can realize coal and spoil is dissociated, to meet the sorting granularity upper limit of follow-up liquid-solid fluid bed coarse slime size machine.The disintegrating machine of China's coal separation industry routine mainly comprises jaw crusher, hammer mill, impact breaker, rod-toothed crusher and gyratory crusher etc.Wherein the fragmentation of centering coal adopts hammer mill and impact breaker more, because percussion easily produces thinner granularity, contributes to dissociating of clean coal and spoil.And the marker size of hammer mill is generally 0-10mm, coal is 0-15mm with the marker size of impact breaker, can not meet the requirement of the sorting granularity upper limit of separation of coarse slime 2mm far away, as only carried out open circuit crushing, cause containing a large amount of coarse granule materials in the pan feeding of follow-up separation of coarse slime equipment (TBS), because this part material has exceeded effective sorting granularity upper limit of separation of coarse slime equipment, therefore often can not get effective sorting, directly discharge from underflow, cause serious underflow to run thick and cleaned coal loss, according to on-the-spot practical experience, if contain a large amount of height ash coarse granule materials in pan feeding, the bed stability of separation of coarse slime equipment will be had a strong impact on, be unfavorable for obtaining low ash extract coal, when serious, cause the phenomenon that kills of bed, affect the normal operation of separator.For fear of the problems referred to above, the closed circuit crushing process procedure of coal in must increasing, screening plant is installed after disintegrating machine, and the advantage of this closed circuit crushing is to guarantee that product granularity meets follow-up separation requirement, and shortcoming is that equipment is more, flow process complexity, the load of disintegrating machine increases, occupied ground, and space availability ratio is low, capital construction and equipment purchase cost increase, and improve the power consumption of Liao Quan factory.
Summary of the invention
Goal of the invention: in order to overcome above-mentioned the deficiencies in the prior art and problem, it is short that the object of the invention is to provide a kind of technological process, integrated level is high, can meet the material size upper limit requirement of follow-up separation equipment through disposable fragmentation, can carry out continuously open circuit crushing, and there is the middle coal fragmentation concentrating integration device again of classification and discharge refuse function.
To achieve these goals, the present invention has adopted following technical scheme:
Coal depth crushing, classification, discharge refuse integrated apparatus in one, comprise feeding system, crushing system, ascending water system and discharge system; Described crushing system comprises broken lathe body, in broken lathe body central interior, spindle rotor body is set, spindle rotor body upper end is connected with motor, and spindle rotor body bottom arranges broken rod, broken lathe body inwall arranges broken tooth plate, and broken lathe body bottom arranges gripper shoe; Described feeding system comprises feed box and enters charging basket, sets into charging basket on spindle rotor body top, enters charging basket and is connected with feed box by feed pipe, and pan feeding bottom of the barrel arranges material distributor; Described ascending water system comprises fluid distributor and current stabilization box, above the gripper shoe of broken lathe body inside, fluid distributor is set, between fluid distributor and gripper shoe, form wash water distributor chamber, current stabilization box is an annular conduit, around being welded on the external wall of broken lathe middle and lower part, current stabilization box delivery port is connected with wash water distributor chamber by arm, and current stabilization box water inlet is connected with water inlet manifold; Described discharge system comprises overflow feeder and mine tailing bucket, in broken lathe body upper outside, overflow feeder is set, mine tailing bucket is set below gripper shoe, at fluid distributor center, mine tailing drainage conduit is set, mine tailing drainage conduit is connected with mine tailing bucket through gripper shoe, between mine tailing bucket, gripper shoe and broken lathe body bottom, is connected as a single entity by welding.
In the present invention, preferably, described integrated apparatus also comprises PID control system, described PID control system comprises pressure sensor and autocontrol valve, in broken lathe body inside, pressure sensor is set, in mine tailing bucket bottom, autocontrol valve is set, pressure sensor is connected with autocontrol valve by PID controller.
In the present invention, preferred, described broken rod is vertically divided into some groups, and number and the diameter of the broken rod of each group increase from top to bottom gradually, and the spacing of the broken rod of two adjacent groups reduces from top to bottom gradually.
In the present invention, preferred, on described water inlet manifold, manual modulation valve is set.
Beneficial effect: (1) the present invention combines existing liquid-solid fluid bed coarse slime size equipment and broken coal machine together, combine the advantage of liquid-solid fluid bed coarse slime size machine and two kinds of equipment of broken coal machine, meeting under the prerequisite of product granularity requirement, can carry out continuously open circuit crushing, and there is classification and discharge refuse function, shorten process coal preparation flowsheet;
(2) integrated level of the present invention is high, has saved factory building space, has improved crushing efficiency, has reduced construction of coal preparation plant investment and operating cost;
(3) the present invention the is integrated function in small, broken bits of broken coal machine and classification and the sorting of traditional liquid-solid fluid bed coarse slime size machine, overflow product granularity can be controlled at below 1mm, when qualified material size is provided for follow-up separation equipment, also utilize the sorting of liquid-solid fluid bed coarse slime size machine to carry out discharge refuse in advance to crushed product, high grey spoil is not needed through screening installation directly from underflow discharge, improve the disposal ability of screening installation, also alleviated to a certain extent the intractability of coal slime water system of coal preparation plant;
(4) in the present invention PID control system to realize bed density substantially uniform and stable, guaranteed higher effectiveness of classification, can realize again automation mechanized operation, reduce the impact that human factor and pan feeding fluctuate on grading effect;
(5) the present invention is not only applicable to depth crushing, classification, the discharge refuse of middle coal, also can be used for building materials, mining industry, metallurgy, chemical engineering industry crushed stone lime stone, grog and the fragmentation of hard ore in other.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the A-A profile of Fig. 1;
Johning knot composition between Fig. 3 mine tailing bucket and broken lathe body bottom
In figure: 1-feed box, 2-overflow feeder, 3-enters charging basket, 4-material distributor, 5-manual modulation valve, 6-water inlet manifold, 7-fluid distributor, 8-mine tailing bucket, 9-spindle rotor body, 10-motor, the broken rod of 11-, the broken lathe body of 12-, 13-pressure sensor, 14-current stabilization box, the broken tooth plate of 15-, 16-PID controller, 17-gripper shoe, 18-autocontrol valve, 19-arm.
The specific embodiment:
Below in conjunction with accompanying drawing, the present invention is done further and explained.
Middle coal depth crushing of the present invention, classification, discharge refuse integrated apparatus are that existing liquid-solid fluid bed coarse slime size equipment and broken coal machine are combined together, are integrated into novel fragmentation, classification and have concurrently the device of the integral type of discharge refuse function.As shown in Figures 1 to 3, this device comprises feeding system, crushing system, ascending water system and discharge system.
Crushing system has adopted the broken structure of vertical shaft bar type revolving body, it comprises broken lathe body 12, in broken lathe body 12 central interior, spindle rotor body 9 is set, spindle rotor body 9 upper ends are connected with motor 10, spindle rotor body 9 bottoms arrange broken rod 11, at broken lathe body 12 inwalls, broken tooth plate 15 is set, in broken lathe body 12 bottoms, gripper shoe 17 is set.Broken rod 11 is vertically divided into some groups, and number and the diameter of the broken rod of each group increase from top to bottom gradually, and the spacing of the broken rod of two adjacent groups reduces from top to bottom gradually.In the time that material is carried out to fragmentation, top broken rod 11 broken coarse granule materials, bottom broken rod 11 broken fine granular materials, have realized the broken step by step of material, thereby have improved broken excellent 11 service life.Fragmentation tooth plate 15 both can improve the wearability of broken lathe body 12 inwalls, had also increased the broken approach of material simultaneously, aggravated the in small, broken bits of material by increasing with the frictional force of material.Except the broken structure of vertical shaft bar type revolving body adopting in this enforcement, crushing system also can adopt the broken structure of vertical shaft hammer.
Feeding system comprises feed box 1 and enters charging basket 3, set into charging basket 3 on spindle rotor body 9 tops, to enter charging basket 3 upper end closeds, establish an opening along staving tangential direction entering charging basket 3 one sides, a feed pipe lower end with 120o elbow is connected with this opening, feed pipe upper end is connected with feed box 1, for the ease of dismounting, enters between charging basket 3, feed box 1 and feed pipe and all adopts flange to connect.Enter charging basket 3 bottoms material distributor 4 is set, material distributor 4 is an inverted conical plate.Ascending water system comprises fluid distributor 7 and current stabilization box 14, above the gripper shoe 17 of broken lathe body 12 inside, fluid distributor 7 is set, fluid distributor 7 is a cone screen plate, between fluid distributor 7 and gripper shoe 17, form wash water distributor chamber, current stabilization box 14 is an annular conduit, around being welded on broken lathe body 12 outer wall middle and lower parts, current stabilization box 14 delivery ports are connected with wash water distributor chamber by arm 19, current stabilization box 14 water inlets are connected with water inlet manifold 6, manual modulation valve 5 is set, by regulating the variation of manual modulation valve 5 aperture control flows on water inlet manifold 6.Discharge system comprises overflow feeder 2 and mine tailing bucket 8, in broken lathe body 12 upper outside, overflow feeder 2 is set, mine tailing bucket 8 is set below gripper shoe 17, at fluid distributor 7 centers, mine tailing drainage conduit is set, mine tailing drainage conduit is connected with mine tailing bucket 8 through gripper shoe 17, between mine tailing bucket 8, gripper shoe 17 and broken lathe body 12 bottoms, adopts welding manner to be connected as a single entity.
For the mass rate of emission of controlled fragmentation lathe body 12 underflows, keep the stability of bed density, this integrated apparatus also comprises PID(proportional-integral-differential) control system, PID control system comprises pressure sensor 13 and autocontrol valve 18, in broken lathe body 12 inside, hypomere arranges pressure sensor 13, in mine tailing bucket 8 bottoms, autocontrol valve 18 is set, pressure sensor 13 is connected with autocontrol valve 18 by PID controller 16.Pressure sensor 13 output signals are 4-20mA, the size of its output valve is relevant to the fluidized-bed layer density size in broken lathe body 12, and this signal is transferred to PID controller 16, PID controller 16 sets value corresponding signal value by this signal and density and compares, switch and the aperture size of controlling autocontrol valve 18, the aperture signal of this autocontrol valve goalkeeper valve feeds back to PID controller 16 more simultaneously.
The course of work of the present invention: material is entered along tangent line in charging basket 3 through feed pipe by feed box 1, move downward to entering charging basket 3 bottoms by gravity, feed is assigned to equably the surrounding into charging basket by the material distributor 4 that enters charging basket bottom, enter in broken lathe body 12, under the high speed centrifugation power effect applying at spindle rotor body 9, broken rod 11 produces high-speed impact and pulverizing with the material that is distributed in surrounding, and material is pulverized with broken tooth plate 15 multiple impacts of disintegrating machine inwall, friction again simultaneously; The current of being introduced by water inlet manifold 6 enter the interior ascending current that forms of broken lathe body 12 through fluid distributor 7, under the effect of ascending current, the hindered falling end speed of low-density fine granular materials is less than ascending water speed, move upward and enter cleaned coal overflow launder 2 with overflow, obtain cleaned coal, meanwhile, higher density coarse granule material continues to move downward to fluid distributor 7, then in mine tailing drainage conduit is collected to mine tailing bucket 8, discharge finally by autocontrol valve 18.Utilize apparatus of the present invention can realize in the depth crushing of coal, overflow maximum particle size can be controlled in 1mm, guarantees that follow-up liquid-solid fluid bed coarse slime size machine carries out sorting in narrower grain size intervals, improves sharpness of separation.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (4)
1. coal depth crushing, classification, a discharge refuse integrated apparatus in, is characterized in that: comprise feeding system, crushing system, ascending water system and discharge system;
Described crushing system comprises broken lathe body (12), in broken lathe body (12) central interior, spindle rotor body (9) is set, spindle rotor body (9) upper end is connected with motor (10), spindle rotor body (9) bottom arranges broken rod (11), broken lathe body (12) inwall arranges broken tooth plate (15), and broken lathe body (12) bottom arranges gripper shoe (17);
Described feeding system comprises feed box (1) and enters charging basket (3), sets into charging basket (3) on spindle rotor body (9) top, enters charging basket (3) and is connected with feed box (1) by feed pipe, enters charging basket (3) bottom material distributor (4) is set;
Described ascending water system comprises fluid distributor (7) and current stabilization box (14), gripper shoe (17) top inner at broken lathe body (12) arranges fluid distributor (7), between fluid distributor (7) and gripper shoe (17), form wash water distributor chamber, current stabilization box (14) is an annular conduit, around being welded on broken lathe body (12) outer wall middle and lower part, current stabilization box (14) delivery port is connected with wash water distributor chamber by arm (19), and current stabilization box (14) water inlet is connected with water inlet manifold (6);
Described discharge system comprises overflow feeder (2) and mine tailing bucket (8), in broken lathe body (12) upper outside, overflow feeder (2) is set, in gripper shoe (17) below, mine tailing bucket (8) is set, at fluid distributor (7) center, mine tailing drainage conduit is set, mine tailing drainage conduit is connected with mine tailing bucket (8) through gripper shoe (17), between mine tailing bucket (8), gripper shoe (17) and broken lathe body (12) bottom, is connected as a single entity by welding.
2. coal depth crushing, classification, discharge refuse integrated apparatus in one according to claim 1, it is characterized in that: described integrated apparatus also comprises PID control system, described PID control system comprises pressure sensor (13) and autocontrol valve (18), in broken lathe body (12) inside, pressure sensor (13) is set, in mine tailing bucket (8) bottom, autocontrol valve (18) is set, pressure sensor (13) is connected with autocontrol valve (18) by PID controller.
3. coal depth crushing, classification, discharge refuse integrated apparatus in one according to claim 1 and 2, it is characterized in that: described broken rod (11) is vertically divided into some groups, number and the diameter of the broken rod of each group increase from top to bottom gradually, and the spacing of the broken rod of two adjacent groups reduces from top to bottom gradually.
4. coal depth crushing, classification, discharge refuse integrated apparatus in one according to claim 1, is characterized in that: manual modulation valve (5) is set on described water inlet manifold (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410073269.2A CN103816979B (en) | 2014-03-03 | 2014-03-03 | Coal depth crushing, classification, discharge refuse integrated apparatus in one |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410073269.2A CN103816979B (en) | 2014-03-03 | 2014-03-03 | Coal depth crushing, classification, discharge refuse integrated apparatus in one |
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| Publication Number | Publication Date |
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| CN103816979A true CN103816979A (en) | 2014-05-28 |
| CN103816979B CN103816979B (en) | 2016-08-17 |
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| CN201410073269.2A Expired - Fee Related CN103816979B (en) | 2014-03-03 | 2014-03-03 | Coal depth crushing, classification, discharge refuse integrated apparatus in one |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108672032A (en) * | 2018-05-19 | 2018-10-19 | 芜湖中淇节能科技有限公司 | A kind of drum-type cash coal separator |
| US11911808B2 (en) | 2015-05-15 | 2024-02-27 | Acm Research (Shanghai) Inc. | System for cleaning semiconductor wafers |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5167375A (en) * | 1988-04-04 | 1992-12-01 | Datta Rabinder S | Apparatus for mineral matter separation |
| CN202105713U (en) * | 2010-05-31 | 2012-01-11 | 山东乾舜矿冶科技股份有限公司 | Waterpower desliming grader |
| CN102698851A (en) * | 2012-05-25 | 2012-10-03 | 南京威尔化工有限公司 | Crushing, grinding and grading integrated machine |
| CN203725224U (en) * | 2014-03-03 | 2014-07-23 | 中国矿业大学 | Medium coal deep crushing, grading and gangue discharging integrated device |
-
2014
- 2014-03-03 CN CN201410073269.2A patent/CN103816979B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5167375A (en) * | 1988-04-04 | 1992-12-01 | Datta Rabinder S | Apparatus for mineral matter separation |
| CN202105713U (en) * | 2010-05-31 | 2012-01-11 | 山东乾舜矿冶科技股份有限公司 | Waterpower desliming grader |
| CN102698851A (en) * | 2012-05-25 | 2012-10-03 | 南京威尔化工有限公司 | Crushing, grinding and grading integrated machine |
| CN203725224U (en) * | 2014-03-03 | 2014-07-23 | 中国矿业大学 | Medium coal deep crushing, grading and gangue discharging integrated device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11911808B2 (en) | 2015-05-15 | 2024-02-27 | Acm Research (Shanghai) Inc. | System for cleaning semiconductor wafers |
| CN108672032A (en) * | 2018-05-19 | 2018-10-19 | 芜湖中淇节能科技有限公司 | A kind of drum-type cash coal separator |
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| CN103816979B (en) | 2016-08-17 |
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