CN201052472Y - Liquid-solid fluid bed coarse slime size classification grading device - Google Patents
Liquid-solid fluid bed coarse slime size classification grading device Download PDFInfo
- Publication number
- CN201052472Y CN201052472Y CNU2007200377450U CN200720037745U CN201052472Y CN 201052472 Y CN201052472 Y CN 201052472Y CN U2007200377450 U CNU2007200377450 U CN U2007200377450U CN 200720037745 U CN200720037745 U CN 200720037745U CN 201052472 Y CN201052472 Y CN 201052472Y
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- Prior art keywords
- barrel body
- liquid
- fluid bed
- coarse slime
- fluid
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- 239000012530 fluid Substances 0.000 title claims abstract description 49
- 239000007787 solid Substances 0.000 title claims abstract description 13
- 239000003245 coal Substances 0.000 claims abstract description 26
- 238000000926 separation method Methods 0.000 claims abstract description 13
- 239000000463 material Substances 0.000 claims description 29
- 238000009826 distribution Methods 0.000 claims description 20
- 239000012141 concentrate Substances 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 6
- 230000001105 regulatory effect Effects 0.000 claims description 5
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 238000007599 discharging Methods 0.000 claims description 2
- 230000003068 static effect Effects 0.000 abstract description 6
- 230000001174 ascending effect Effects 0.000 abstract description 3
- 239000002245 particle Substances 0.000 abstract 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 12
- 230000007812 deficiency Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000003250 coal slurry Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005188 flotation Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000011177 media preparation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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- Separation Of Solids By Using Liquids Or Pneumatic Power (AREA)
Abstract
The utility model relates to a liquid-solid fluid bed coarse slime sorting grading device, which comprises an upper barrel body and a lower barrel body which are connected into one by a flange, the barrel body is provided with a PID automatic control system, the upper portion of the upper barrel body is provided with a clean ore duct, and the top is sleeved with a clean coal guided groove which has an inclined bottom and is communicated with the clean ore duct, the top of the upper barrel body is provided with a clean coal overflow trough which has an inclined bottom and can extend the overflow area, and the middle portion is provided with a charging basket, the upper portion of the charging basket is provided with a feed hopper with a whirl-shaped feed, the exit is provided with a conical separating bucket which is connected on a feed screw, the interior of the lower barrel body is provided with a liquid-distributor which is communicated with an outer adapter, and the bottom is provided with a conical tailings flow guiding groove. The coarse slime steadily and uniformly enters into a sorting machine and downward moves through a static periphery equispaced feed device, when meeting a fluid bed, particles whose density is higher than the density of the fluid bed pass through the bed, enter into the underflow and are discharged as tailings, while the particles whose density is lower than the density of the fluid bed can not pass through the bed, are brought into the overflow by the ascending current and are discharged as clean coal, thereby realizing the fluidized separation of the coarse slime.
Description
Technical field
The utility model relates to liquid-solid fluid bed separation of coarse slime grading plant, is particularly useful for the sorting or the classification of coarse slime.
Background technology
Have minority coal preparation plant to adopt heavily be situated between cyclone or spiral of minor diameter that coarse slime is carried out sorting in recent years, but because the deficiency of these two kinds of devices itself can't reach satisfied effect.Heavily the be situated between deficiency of cyclone of minor diameter: 1. too thin to the medium granularity requirements, medium preparation and reclaim difficulty, and cost height; 2. pan feeding is required the pressure height, equipment attrition is serious, and power consumption is big; Though 3. its sorting granularity lower limit is lower, thinner stock grading efficient is low, and a part does not enter cleaned coal through the fine coal slurry of sorting, influences cleans ash, and it can not replace flotation fully simultaneously.The deficiency of spiral: 1. separating density height, cleaned coal can not reach the cleans ash of final requirement, and its product can not be sold as final products; 2. the separate unit treating capacity is little, needs many and is used, and floor space is big, and is highly big, needs simultaneously to size mixing and distributor, and distributing uniformity is difficult to control; 3. to the strictness of pan feeding concentration requirement, be difficult to control on the industrial production.
The utility model content
The purpose of this utility model provides a kind of simple in structure, liquid-solid fluid bed separation of coarse slime grading plant that floor space is little, effective.
Liquid-solid fluid bed separation of coarse slime grading plant of the present utility model, it comprises upper barrel body and the lower barrel body that is connected as one by flange, be provided with the PID automatic control system between the last lower barrel body, upper barrel body top is provided with the concentrate conduit, its top is set with the tilting cleaned coal guide groove that communicates with the concentrate conduit in its bottom, the upper barrel body top is provided with the cleaned coal overflow launder of the tilting increase overflow area in bottom, its middle part is provided with into charging basket, the top of going into charging basket is provided with the material bin that is the charging of eddy flow shape, and the exit is provided with the taper material separating disc that is connected on the leading screw; Be provided with the liquid distribution trough that communicates with extension tube attached in the lower barrel body, its bottom is provided with taper tail coal guiding gutter.
Described PID automatic control system is by the PID control instrument, and the coupled autocontrol valve that is located at the pressure sensor on the upper barrel body and is located at the exit of guiding gutter constitutes; The leading screw top of described connection taper material separating disc is provided with the handwheel of regulating material separating disc discharging size; Described liquid distribution trough is responsible for by the fluid distribution of left and right sides valve control, being responsible for the ring arm and the allotment pipe that link to each other with the fluid distribution constitutes, fluid distributes to be responsible for, to encircle and is furnished with several standpipes on arm and the allotment pipe at interval, be plugged with fluid distribution pipe cap on the standpipe, border, fluid distribution pipe cap top has a plurality of fluid ejection; Described cleaned coal overflow launder can be some annulars or rectangle.
The beneficial effects of the utility model are:
1. cylinder top is provided with the static even material feeding device of coarse slime, reduces the destruction of feed to the fluid bed bed, goes into the short circuit phenomenon that charging basket has reduced material again simultaneously, has improved the separation of coarse slime effect;
2. fluid distributor adopts multitube distributor and lateral flow type distributor to combine, and the perforate direction is a horizontal direction, has both guaranteed the uniformity of water inlet, has reduced the clogging of inlet opening again, reduces accident rate, can accomplish the not blowing that stops;
3.PID automatic control system can realize bed density or claim that separating density is even substantially, has guaranteed higher sharpness of separation, realizes automation mechanized operation again, reduces the influence of human factor and pan feeding fluctuation to separating effect;
4. can realize the high accuracy sorting down in low-density (less than 1.4Kg/L), significantly reduce cleans ash, improve the quality of products;
5. device structure is simple, cost is low, installs easy to adjust.
6. pan feeding is when 14-20%, and the cleans ash after the sorting can reach below 10%, and clean coal yield is greater than 60%.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the A-A view of Fig. 1.
Fig. 3 is a fluid distributor pipe cap enlarged drawing of the present utility model.
Among the figure: the 1-material bin, the 2-handwheel, the 3-screw mandrel, 4-goes into charging basket, 5-cleaned coal groove, 6-upper barrel body, 7-flange, 8-lower barrel body, the 9-fluid distributor, 10-taper tail coal guiding gutter, 11-autocontrol valve, 12-PID control instrument, the 13-valve, 14-pressure sensor, 15-concentrate pipe, 16-feeding pipe, 17-cleaned coal overflow launder, the 9-1-valve, the 9-2-fluid distributor is responsible for, 9-3-fluid distributor ring arm, 9-4-fluid distributor allotment pipe, 9-5-fluid distributor pipe cap, 9-6-valve.
The specific embodiment
Below in conjunction with the embodiment in the accompanying drawing the utility model is further described:
Shown in Figure 1, the utility model mainly is made of staving, static even material feeding device, PID automatic control system and fluid distributor 9.Staving is connected by flange 7 by upper barrel body 6 and lower barrel body 8 and forms, static even material feeding device by the material bin 1 that is communicated with to go into charging basket 4, be located at into the interior leading screw 3 of charging basket 5, the handwheel 2 and the material separating disc that are connected leading screw 3 upper and lower sides and constitute; The PID automatic control system is located between the lower barrel body, upper barrel body 6 tops are provided with concentrate conduit 15, its top is set with the tilting cleaned coal guide groove 5 that communicates with concentrate conduit 15 in its bottom, upper barrel body 6 tops are provided with the cleaned coal overflow launder 17 of the tilting increase overflow area in bottom, go into the middle part that charging basket 4 is located at upper barrel body 6, with the top of stent support at upper barrel body 6, material bin 1 and go between the charging basket 4 by a feeding pipe 16 to connect with 90 ° of elbows, adopt easy-to-dismount flange to connect connecting between feeding pipe 16 tops and the material bin 1, feeding pipe 16 is tangentially gone into charging basket 4, be the charging of eddy flow shape, go into the sealing of charging basket 4 tops, top is provided with the handwheel 2 that is fixed on the leading screw 3, leading screw 3 is fixed on middle part into charging basket 4 by nut, the exit of going into charging basket 4 is provided with the material separating disc that is connected on the leading screw 3, can adjust up and down the taper material separating disc by the handle 2 that is located at leading screw 3 tops, thereby regulate material and enter liquid-solid fluid bed space and speed, reduce the interference of pan feeding, realize " static state " even feeding fluidized-bed layer.Be provided with the liquid distribution trough 9 that communicates with extension tube attached in the lower barrel body 8, its bottom is provided with taper tail coal guiding gutter 10.The fluid distributor of a kind of uniqueness that fluid distributor 9 employing multitube distributors and lateral flow type distributor combine, liquid distribution trough 9 is distributed by left and right sides valve 9-1 and 9-6, control fluid and is responsible for 9-2, distributes with fluid and be responsible for ring arm 9-3 and the allotment pipe 9-4 that 9-2 links to each other and constitute, and is shown in Figure 2.9-2, ring arm 9-3 are responsible in the fluid distribution and allotment pipe 9-4 upward is furnished with several standpipes at interval, are plugged with fluid distribution pipe cap 9-5 on the standpipe, and be shown in Figure 3.Water inlet manifold is two, be parallel to each other across staving, and all link to each other with each branching pipe, one of these two house steward are as water inlet pipe, drainpipe when a conduct is stopped up, two water-mains link to each other with some branching pipes, leave certain distance between each branching pipe, as the passage of mine tailing process, some fluid distribution pipe cap 9-5 are arranged on the every branching pipe in cylinder, have the circular hole of several same diameter on the circumferential wall on every water distribution pipe cap 9-5 top, passage as water inlet, the valve 9-1 and the 9-2 of regulating pondage all are installed on two water inlet manifolds, a water pressure gauge also is housed on the water inlet manifold, measure intake pressure.One air inlet pipe is housed on the water inlet manifold, in the visual sorting mine tailing of air inlet pipe what of cleaned coal content determine with or need not.
The control of this device and regulate to adopt the PID automatic control system, PID automatic control system is by the PID control instrument, and the coupled autocontrol valve 11 that is located at the pressure sensor 14 on the upper barrel body 8 and is located at the exit of taper tail coal guiding gutter 10 constitutes.The below of pressure sensor 14 is provided with valve 13, its output signal is 4-20mA, the size of output valve is relevant with the size of the fluidized-bed layer density in the cylinder of top with pressure sensor 14, this signal is transferred to PID control instrument 12 by two data lines, the signal value that PID control instrument 12 is corresponding with the density setting value with this signal compares, do then and sell the autocontrol valve 11 that is installed in cylinder bottom and open or close and the size of switch, and this output signal is transferred to autocontrol valve 11 by two data wires, this valve fill order, the position signalling of this autocontrol valve goalkeeper valve feeds back to PID control instrument 12 more simultaneously.
The course of work: material by feed hopper through entering in the charging basket 4 along tangent line with the feeding pipe 1 of 90 ° of elbows, move downward to going into charging basket 4 bottoms by gravity, the conical distribution dish of going into charging basket 4 bottoms with pan feeding be assigned to equably charging basket 4 around, enter in the staving of liquid-solid fluid bed separation machine, taper material separating disc and the pore size of going between the charging basket are regulated by the circular handwheel 2 on top, guarantee that the even static state of material enters in the separator.After entering into material in the separator and progressively moving downward certain distance, material begins to separate by the height of density, low-density moves upward and enters overflow launder 17 and enter the cleaned coal feeder, become cleaned coal, the higher density material continues to move downward the fluid bed bed, the material that density is higher than fluid bed bed density passes bed and enters into the bottom, become mine tailing by 11 discharges of underflow autocontrol valve, and the material of intermediate density in fluidized-bed layer through moving back and forth up and down, after after a while, progressively realize separating.The formation of fluidized-bed layer is to be medium with the middle-high density material in the pan feeding, to pass through the ascending water of coming in the fluid distributor 9 is fluid, form the fluid bed bed, and ascending water is to utilize pump to enter in the cylinder through water-main, branching pipe and water distributor shade horizontal direction, becomes upwelling upwards again.The control of whole assorting room realizes regulating automatically and cleans ash control by the automatic control system of being made up of pressure sensor 14, PID control instrument 12 and autocontrol valve 11.
Claims (5)
1. liquid-solid fluid bed separation of coarse slime grading plant, it is characterized in that: it comprises upper barrel body (6) and the lower barrel body (8) that is connected as one by flange (7), be provided with the PID automatic control system between the last lower barrel body, upper barrel body (6) top is provided with concentrate conduit (15), its top is set with the tilting cleaned coal guide groove (5) that communicates with concentrate conduit (15) in its bottom, upper barrel body (6) top is provided with the cleaned coal overflow launder (17) of the tilting increase overflow area in bottom, its middle part is provided with into charging basket (4), the top of going into charging basket (4) is provided with the material bin (1) that is the charging of eddy flow shape, and the exit is provided with the taper material separating disc that is connected on the leading screw (3); Be provided with the liquid distribution trough (9) that communicates with extension tube attached in the lower barrel body (8), its bottom is provided with taper tail coal guiding gutter (10).
2. liquid-solid fluid bed separation of coarse slime grading plant according to claim 1, it is characterized in that: described PID automatic control system is by the PID control instrument, and the coupled autocontrol valve (11) that is located at the pressure sensor (14) on the upper barrel body (8) and is located at the exit of taper tail coal guiding gutter (10) constitutes.
3. liquid-solid fluid bed separation of coarse slime grading plant according to claim 1 is characterized in that: leading screw (3) top of described connection taper material separating disc is provided with the handwheel (2) of regulating material separating disc discharging size.
4. liquid-solid fluid bed separation of coarse slime grading plant according to claim 1, it is characterized in that: described liquid distribution trough (9) is responsible for (9-2) by the fluid distribution of left and right sides valve control, be responsible for ring arm (9-3) and allotment pipe (9-4) formation that (9-2) links to each other with the fluid distribution, the fluid distribution is responsible for (9-2), ring arm (9-3) and allotment pipe (9-4) and upward is furnished with several standpipes at interval, be plugged with fluid distribution pipe cap (9-5) on the standpipe, fluid distribution pipe cap (9-5) border, top has a plurality of fluid ejection.
5. liquid-solid fluid bed separation of coarse slime grading plant according to claim 1 is characterized in that: described cleaned coal overflow launder (17) can be some annulars or rectangle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200377450U CN201052472Y (en) | 2007-05-17 | 2007-05-17 | Liquid-solid fluid bed coarse slime size classification grading device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200377450U CN201052472Y (en) | 2007-05-17 | 2007-05-17 | Liquid-solid fluid bed coarse slime size classification grading device |
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| Publication Number | Publication Date |
|---|---|
| CN201052472Y true CN201052472Y (en) | 2008-04-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200377450U Expired - Fee Related CN201052472Y (en) | 2007-05-17 | 2007-05-17 | Liquid-solid fluid bed coarse slime size classification grading device |
Country Status (1)
| Country | Link |
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| CN (1) | CN201052472Y (en) |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101850293A (en) * | 2010-04-23 | 2010-10-06 | 中国矿业大学 | Coarse coal slime sorting and grading plant for desliming type liquid-solid fluid bed |
| CN101402063B (en) * | 2008-11-04 | 2011-06-29 | 中国矿业大学(北京) | Coarse slime interference bed separation equipment based on gravity force and interfacial force, method and uses thereof |
| CN102175566A (en) * | 2010-11-29 | 2011-09-07 | 福建海峡科化股份有限公司 | Method and device for automatically detecting powder material accumulation density |
| CN102205262A (en) * | 2011-05-17 | 2011-10-05 | 中国科学院过程工程研究所 | Liquid-solid interference fluidized bed separator as well as separating method and application thereof |
| CN103657835A (en) * | 2013-12-09 | 2014-03-26 | 中国矿业大学 | Fluid distributor of liquid-solid fluidized bed separating and classifying equipment |
| CN104549708A (en) * | 2014-12-30 | 2015-04-29 | 中国矿业大学 | Spiral up-flow type liquid-solid fluidized bed separation equipment and method |
| CN105344460A (en) * | 2015-11-24 | 2016-02-24 | 汕头市三宝云母科技股份有限公司 | Wet process continuous classifying device and method for flaky grains |
| CN106824501A (en) * | 2017-01-16 | 2017-06-13 | 太原理工大学 | A kind of dual medium cyclone dressing process density of suspending liquid automatic control system |
| CN108057512A (en) * | 2017-12-18 | 2018-05-22 | 中国矿业大学 | A kind of separation of coarse slime machine weight product continuous-stable discharge device and method |
| CN108787153A (en) * | 2018-05-21 | 2018-11-13 | 中国矿业大学 | A kind of super-fine classified equipment of single flow coal slime and stage division |
| CN108927282A (en) * | 2018-06-14 | 2018-12-04 | 中国恩菲工程技术有限公司 | The working method of finely-divided metal mine classification and roughing integrated apparatus |
| CN110479473A (en) * | 2019-08-20 | 2019-11-22 | 中国恩菲工程技术有限公司 | The fluid uniform distribution device of fluidization screening installation |
| CN113058753A (en) * | 2021-03-30 | 2021-07-02 | 中国矿业大学 | Underground coal liquid-solid fluidization sorting device |
| CN114713379A (en) * | 2021-07-22 | 2022-07-08 | 中国矿业大学 | Fluidized flotation device and method suitable for coarse particle recovery |
| CN115140921A (en) * | 2022-07-01 | 2022-10-04 | 华能国际电力股份有限公司大连电厂 | Disc type drying machine |
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2007
- 2007-05-17 CN CNU2007200377450U patent/CN201052472Y/en not_active Expired - Fee Related
Cited By (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101402063B (en) * | 2008-11-04 | 2011-06-29 | 中国矿业大学(北京) | Coarse slime interference bed separation equipment based on gravity force and interfacial force, method and uses thereof |
| CN101850293A (en) * | 2010-04-23 | 2010-10-06 | 中国矿业大学 | Coarse coal slime sorting and grading plant for desliming type liquid-solid fluid bed |
| CN101850293B (en) * | 2010-04-23 | 2013-02-13 | 中国矿业大学 | Coarse coal slime sorting and grading plant for desliming type liquid-solid fluid bed |
| CN102175566A (en) * | 2010-11-29 | 2011-09-07 | 福建海峡科化股份有限公司 | Method and device for automatically detecting powder material accumulation density |
| CN102175566B (en) * | 2010-11-29 | 2013-01-30 | 福建海峡科化股份有限公司 | Method and device for automatically detecting powder material accumulation density |
| CN102205262A (en) * | 2011-05-17 | 2011-10-05 | 中国科学院过程工程研究所 | Liquid-solid interference fluidized bed separator as well as separating method and application thereof |
| CN102205262B (en) * | 2011-05-17 | 2014-02-26 | 中国科学院过程工程研究所 | Liquid-solid interference fluidized bed separator as well as separating method and application thereof |
| CN103657835B (en) * | 2013-12-09 | 2016-02-24 | 中国矿业大学 | A kind of fluid distributor of liquid-solid fluid bed separation classification device |
| CN103657835A (en) * | 2013-12-09 | 2014-03-26 | 中国矿业大学 | Fluid distributor of liquid-solid fluidized bed separating and classifying equipment |
| CN104549708A (en) * | 2014-12-30 | 2015-04-29 | 中国矿业大学 | Spiral up-flow type liquid-solid fluidized bed separation equipment and method |
| CN105344460A (en) * | 2015-11-24 | 2016-02-24 | 汕头市三宝云母科技股份有限公司 | Wet process continuous classifying device and method for flaky grains |
| CN106824501B (en) * | 2017-01-16 | 2020-02-07 | 太原理工大学 | Automatic control system for suspension density in separation process of heavy-medium cyclone |
| CN106824501A (en) * | 2017-01-16 | 2017-06-13 | 太原理工大学 | A kind of dual medium cyclone dressing process density of suspending liquid automatic control system |
| CN108057512A (en) * | 2017-12-18 | 2018-05-22 | 中国矿业大学 | A kind of separation of coarse slime machine weight product continuous-stable discharge device and method |
| CN108057512B (en) * | 2017-12-18 | 2019-04-09 | 中国矿业大学 | A kind of separation of coarse slime machine heavy product continuous-stable discharge device and method |
| CN108787153A (en) * | 2018-05-21 | 2018-11-13 | 中国矿业大学 | A kind of super-fine classified equipment of single flow coal slime and stage division |
| CN108927282A (en) * | 2018-06-14 | 2018-12-04 | 中国恩菲工程技术有限公司 | The working method of finely-divided metal mine classification and roughing integrated apparatus |
| CN110479473A (en) * | 2019-08-20 | 2019-11-22 | 中国恩菲工程技术有限公司 | The fluid uniform distribution device of fluidization screening installation |
| CN113058753A (en) * | 2021-03-30 | 2021-07-02 | 中国矿业大学 | Underground coal liquid-solid fluidization sorting device |
| CN114713379A (en) * | 2021-07-22 | 2022-07-08 | 中国矿业大学 | Fluidized flotation device and method suitable for coarse particle recovery |
| CN114713379B (en) * | 2021-07-22 | 2023-09-29 | 中国矿业大学 | Fluidized flotation device and method suitable for coarse particle recovery |
| CN115140921A (en) * | 2022-07-01 | 2022-10-04 | 华能国际电力股份有限公司大连电厂 | Disc type drying machine |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080430 Termination date: 20120517 |