CN103301928B - Liquid-solid fluidization sorting system - Google Patents
Liquid-solid fluidization sorting system Download PDFInfo
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- CN103301928B CN103301928B CN201310222377.7A CN201310222377A CN103301928B CN 103301928 B CN103301928 B CN 103301928B CN 201310222377 A CN201310222377 A CN 201310222377A CN 103301928 B CN103301928 B CN 103301928B
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- bed body
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- water inlet
- inlet pipe
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- 238000005243 fluidization Methods 0.000 title claims abstract description 13
- 239000007787 solid Substances 0.000 title claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 53
- 239000012530 fluid Substances 0.000 claims abstract description 21
- 238000009826 distribution Methods 0.000 claims abstract description 10
- 238000000926 separation method Methods 0.000 claims description 26
- 238000007599 discharging Methods 0.000 claims description 13
- 125000004122 cyclic group Chemical group 0.000 claims description 5
- 239000004744 fabric Substances 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 5
- 230000002787 reinforcement Effects 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 15
- 239000002245 particle Substances 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 4
- 238000013461 design Methods 0.000 abstract description 3
- 230000005484 gravity Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 238000013467 fragmentation Methods 0.000 description 2
- 238000006062 fragmentation reaction Methods 0.000 description 2
- 239000013528 metallic particle Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012216 screening Methods 0.000 description 2
- 239000002910 solid waste Substances 0.000 description 2
- 238000012271 agricultural production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- Separation Of Solids By Using Liquids Or Pneumatic Power (AREA)
Abstract
The invention discloses a liquid-solid fluidization sorting system which comprises an obliquely placed bed body, wherein the top and the bottom of the bed body are respectively provided with a water outlet pipe and a water inlet pipe, the bed body on the lower side of the water outlet pipe and the upper side of the water inlet pipe is respectively provided with a material outlet and a material inlet, the diameter of the bed body is gradually increased from bottom to top, a hydraulic distribution plate is arranged in the bed body between the water inlet pipe and the material inlet, a plurality of through holes are uniformly distributed in the hydraulic distribution plate, and a fluid pipe is arranged on the downward inclined wall surface of the bed body. Because the bed body adopts the reducing design, the water flow speed is gradually smaller along with the increase of the pipe diameter, and the particles are always in a variable-speed motion state in the reducing variable-speed flow field, so that the wide-size-fraction multi-component materials can be effectively sorted according to the density; by introducing airflow or water flow into the sorting device, the materials accumulated on the wall surface are loosened again along with the airflow and enter the variable-diameter variable-speed flow field again for secondary sorting, so that the sorting effect is greatly improved.
Description
Technical field
The present invention relates to agricultural production, mineral processing, solid waste sorting, separating substances reclaim field, especially a kind of wide grade, multi-component masses of realizing is by the liquid-solid fluidization separation system of the effective sorting of density.
Background technology
Particle is all widely used in fields such as mining industry, agricultural, solid waste separation by density separation.For the gravity separation device taking water as medium, the terminal velocity of sorting component is the principal element determining the efficiency of separation.The terminal velocity of particle is relevant with the granularity of particle, shape and density, thus affects the many factors of sorting, and the application of traditional sorting unit also has certain limitation.In order to improve the efficiency of separation, being first that the density contrast of requirement sorted material is comparatively large, is secondly before sorting, usually need to carry out the operations such as fragmentation and screening, to reduce the impact of granularity on sorting, the shortcoming of existence be the classification of sorting material is required meticulous.Meanwhile, the shape being sorted component also has a significant impact the efficiency of separation.Because actual sorting material is in granularity with differ greatly in shape, the terminal velocity of concentrate and tailings is often overlapped, cause most of existing be that the efficiency of separation of the gravity separation device of medium is lower with water, the efficient separation of taking as the leading factor with density cannot be realized.Meanwhile, for traditional inclined gravity screening installation, due to bed surface slant setting, in assorting room, material can be piled up along bed surface, the problem such as cause discharge difficulty and sorting is not thorough, there is the problems such as equipment blocking, complicated operation, the efficiency of separation are not high.
Summary of the invention
Goal of the invention: in view of the deficiency having with water the gravity separation device existence being medium, the invention provides one and can realize wide grade multi-component masses by the effective sorting of density, and the liquid-solid fluidization separation system that in assorting room, material is piled up at bed surface can be avoided.
In order to solve the problems of the technologies described above, present invention employs following technical scheme:
A kind of liquid-solid fluidization separation system, comprise tilted-putted bed body, top and the bottom of bed body are respectively equipped with outlet pipe and water inlet pipe, bed body on the downside of outlet pipe and on the upside of water inlet pipe is respectively equipped with discharging opening and feeding mouth, described bed body is the reducing bed body of reducing bed body front end and reducing bed body rear end composition, bed body diameter becomes large from the bottom to top gradually, in the outside of bed body front end and bed body rear end, reinforcement gusset and load-carrying ring are set respectively, reducing bed body front end is supported by reducing bed body front end intermediate supports and reducing bed body front end supported on both sides, reducing bed body rear end is supported by reducing bed body rear end intermediate supports and reducing bed body rear end supported on both sides, waterpower distribution grid is provided with in bed body between water inlet pipe and feeding mouth, waterpower distribution grid is evenly equipped with some through holes, bed body between discharging opening and feeding mouth has a down dip on wall and is provided with fluid hose, fluid hose connects bellows or water tank, by horizontal liquid straight tube supported in the middle part of described fluid hose, described bellows configure air blast, described water tank configures water pump, described outlet pipe is all connected cyclic water tank with water inlet pipe, described discharging opening connects conveyer belt.
In the present invention, further, the number of described fluid hose is more than or equal to 1.
In the present invention, further, described fluid hose is provided with valve and flowmeter.
In the present invention, further, the angle of inclination of described bed body is greater than 0 ° and is less than 90 °.
In the present invention, further, described discharging opening and feeding mouth arrange a body respectively and have a down dip on wall and on bed body surface thereof wall.
In the present invention, further, described outlet pipe and water inlet pipe are connected in series by some bend pipes and straight tube respectively and form, connected by plane face flange dish between adjacent straight tube or between bend pipe and straight tube, described plane face flange dish comprises the boss flange dish and recessed ring flange that mutually agree with, boss flange dish is connected by bolt pair with recessed ring flange, is provided with filter cloth at the conjunction surface of boss flange dish and recessed ring flange.
Beneficial effect: the present invention is due to bed body employing variable diameter design, and water velocity is less gradually along with caliber increase, and particle is in variable motion state all the time in this reducing speed change flow field, can realize wide grade multi-component masses by the effective sorting of density; By introducing air-flow or current in sorting unit, make to be deposited in material on wall along with air-flow again loose, reenter in reducing speed change flow field, carry out second time sorting, increase substantially separating effect.
Accompanying drawing explanation
Fig. 1 is the structural representation of separation system of the present invention;
Fig. 2 is the enlarged drawing of a-quadrant in separation system structural representation of the present invention;
Fig. 3 is waterpower distributing plate structure schematic diagram;
Fig. 4 is the enlarged drawing in B region in separation system structural representation of the present invention.
In figure: 1-bend pipe, 2-straight tube, 3-plane face flange dish, 4-strengthens gusset, 5-reducing bed body front end, 6-waterpower distribution grid, 7-feeding mouth, 8-reducing bed body rear end, 9-load-carrying ring, 10-discharging opening, 11-conveyer belt, 12-cyclic water tank, 13-water circulating pump, 14-reducing bed body rear end intermediate supports, 15-reducing bed body rear end supported on both sides, 16-horizontal liquid straight tube supports, 17-bellows seat, 18-bellows, 19-air blast, 20-reducing bed body front end intermediate supports, 21-reducing bed body front end supported on both sides, 22-horizontal stream straight tube supports, 23-boss flange dish, 24-filter cloth, 25-bolt pair, the recessed ring flange of 26-, 27-valve, 28-flowmeter, 29-fluid hose.
Detailed description of the invention:
Below in conjunction with accompanying drawing the present invention done and further explain.
Embodiment one
As shown in Figures 1 to 4, liquid-solid fluidization separation system of the present invention comprises tilted-putted bed body, outlet pipe, water inlet pipe, cyclic water tank 12 and bellows 18.
Bed body angle of inclination is adjustable within the scope of 0 ° ~ 90 °.Bed body is the reducing bed body of reducing bed body front end 5 and reducing bed body rear end 8 composition, and bed body diameter becomes large from the bottom to top gradually, arranges reinforcement gusset 4 and load-carrying ring 9 respectively in the outside of bed body front end 5 and bed body rear end 8.Reducing bed body front end 5 is supported by reducing bed body front end intermediate supports 20 and reducing bed body front end supported on both sides 21, and reducing bed body rear end 8 is supported by reducing bed body rear end intermediate supports 14 and reducing bed body rear end supported on both sides 15.
Be respectively equipped with outlet pipe and water inlet pipe at the upper/lower terminal of bed body, outlet pipe and water inlet pipe are all connected cyclic water tank 12, support 22 and support, be provided with water circulating pump 13 at water inlet pipe near cyclic water tank 12 place in the middle part of water inlet pipe by horizontal stream straight tube.Outlet pipe and water inlet pipe are connected in series by some bend pipes 1 and straight tube 2 respectively and form, and are connected between adjacent straight tube 2 or between bend pipe 1 and straight tube 2 by plane face flange dish 3.Plane face flange dish 3 comprises the boss flange dish 23 and recessed ring flange 26 that mutually agree with, boss flange dish 23 is connected by bolt pair 25 with recessed ring flange 26, filter cloth 24 is provided with at the conjunction surface of boss flange dish 23 and recessed ring flange 26, the effect of filter cloth 24 is the impurity of water in filtration cycle water tank 12, realizes system water circulation.
Bed body on the downside of outlet pipe has a down dip on wall and is provided with discharging opening 10, discharging opening 10 connects conveyer belt 11, bed body surface thereof wall on the upside of water inlet pipe is provided with feeding mouth 7, waterpower distribution grid 6 is provided with in bed body between water inlet pipe and feeding mouth 7, waterpower distribution grid 6 is evenly equipped with some through holes, waterpower distribution grid 6 upper end water-flow equation can be made even.Bed body between discharging opening 10 and feeding mouth 7 has a down dip on wall, arranges three fluid hoses 29 along interval, bed body length direction.Fluid hose 29 is connected with bellows 18, and bellows 18 are supported by bellows seat 17, bellows 18 configures air blast 19, and fluid hose 29 is provided with valve 27 and flowmeter 28, supports 16 support in the middle part of fluid hose 29 by horizontal liquid straight tube.
To treat that the mixing of sorting selects material to be fed in a body by feeding mouth 7 before start.After start, current enter in a body through water circulating pump 13 from water inlet pipe, because bed body adopts variable diameter design, water velocity is less gradually along with caliber increase, material particles is in variable motion state all the time in this reducing speed change flow field, according to the difference of storeroom character, low-density fraction is ascendant trend at assorting room, the light product of last conduct drops down onto on conveyer belt 11 through discharging opening 10, and high-density component will fall to a body lower end as heavy product, final realization will be light, effective sorting of heavy material.In above-mentioned assorting room, air-flow also enters in a body through air blast 19, fluid hose 29, make to be deposited in material on wall along with air-flow again loose, reenter in reducing speed change flow field, carry out second time sorting, increase substantially separating effect.
The present invention has carried out sorting research to the broken afterproduct of discarded printed circuit boards, and target realizes metallic product to be separated with the effective of nonmetallic product.Obtaining granularity after circuit board fragmentation is the metal and the non-metallic particle that are less than 2mm, mostly are irregularly shaped shape, can be reclaimed the metallic particles of wherein more than 95%, and then realize effective recovery of valuable component by the separation system of invention.
Embodiment two
Embodiment two is with the difference of embodiment one, and in fluid hose 29, the fluid of flowing is liquid, such as water.When the fluid of flowing in fluid hose 29 is water, bellows 18 and air blast 19 are replaced to water tank and water pump.
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 (6)
1. a liquid-solid fluidization separation system, comprise tilted-putted bed body, top and the bottom of bed body are respectively equipped with outlet pipe and water inlet pipe, bed body on the downside of outlet pipe and on the upside of water inlet pipe is respectively equipped with discharging opening (10) and feeding mouth (7), it is characterized in that: described bed body is the reducing bed body that reducing bed body front end (5) and reducing bed body rear end (8) form, bed body diameter becomes large from the bottom to top gradually, in the outside of bed body front end (5) and bed body rear end (8), reinforcement gusset (4) and load-carrying ring (9) are set respectively, reducing bed body front end (5) is supported by reducing bed body front end intermediate supports (20) and reducing bed body front end supported on both sides (21), reducing bed body rear end (8) is supported by reducing bed body rear end intermediate supports (14) and reducing bed body rear end supported on both sides (15), waterpower distribution grid (6) is provided with in bed body between water inlet pipe and feeding mouth (7), waterpower distribution grid (6) is evenly equipped with some through holes, bed body between discharging opening (10) and feeding mouth (7) has a down dip on wall and is provided with fluid hose (29), fluid hose (29) connects bellows (18) or water tank, described fluid hose (29) middle part supports (16) by horizontal liquid straight tube and supports, described bellows (18) configure air blast (19), described water tank configures water pump, described outlet pipe and water inlet pipe are all connected cyclic water tank (12), described discharging opening (10) connects conveyer belt (11).
2. a kind of liquid-solid fluidization separation system according to claim 1, is characterized in that: the number of described fluid hose (29) is more than or equal to 1.
3. a kind of liquid-solid fluidization separation system according to claim 1 and 2, is characterized in that: described fluid hose (29) is provided with valve (27) and flowmeter (28).
4. a kind of liquid-solid fluidization separation system according to claim 1, is characterized in that: the angle of inclination of described bed body is greater than 0 ° and is less than 90 °.
5. a kind of liquid-solid fluidization separation system according to claim 1, is characterized in that: described discharging opening (10) and feeding mouth (7) arrange a body respectively and have a down dip on wall and on bed body surface thereof wall.
6. a kind of liquid-solid fluidization separation system according to claim 1, it is characterized in that: described outlet pipe and water inlet pipe are connected in series by some bend pipes (1) and straight tube (2) respectively and form, connected by plane face flange dish (3) between adjacent straight tube (2) or between bend pipe (1) and straight tube (2), described plane face flange dish (3) comprises the boss flange dish (23) and recessed ring flange (26) that mutually agree with, boss flange dish (23) is connected by bolt pair (25) with recessed ring flange (26), filter cloth (24) is provided with at the conjunction surface of boss flange dish (23) and recessed ring flange (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310222377.7A CN103301928B (en) | 2013-06-05 | 2013-06-05 | Liquid-solid fluidization sorting system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310222377.7A CN103301928B (en) | 2013-06-05 | 2013-06-05 | Liquid-solid fluidization sorting system |
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| CN103301928A CN103301928A (en) | 2013-09-18 |
| CN103301928B true CN103301928B (en) | 2015-01-21 |
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| CN201310222377.7A Active CN103301928B (en) | 2013-06-05 | 2013-06-05 | Liquid-solid fluidization sorting system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110433953B (en) * | 2019-08-20 | 2024-08-16 | 中国恩菲工程技术有限公司 | Fluidized separation equipment for multi-component fine-grained materials |
| CN113275120B (en) * | 2021-05-11 | 2022-11-22 | 西安正唐矿业科技有限公司 | Mineral critical flow velocity sorting method and device thereof |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1050147A (en) * | 1989-09-15 | 1991-03-27 | 卡斯米赫诺夫·全苏有色金属矿选矿科研规划院 | Gravity concentrator |
| CN100569380C (en) * | 2007-02-08 | 2009-12-16 | 中国矿业大学 | Diameter-verifying water medium sorting device |
| 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 |
| RU2483806C1 (en) * | 2011-10-24 | 2013-06-10 | федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Южно-Российский государственный технический университет (Новочеркасский политехнический институт)" | COUNTERFLOW SEPARATOR FOR CONCENTRATION OF FINE COALS (0-3 mm) |
| CN203304059U (en) * | 2013-06-05 | 2013-11-27 | 中国矿业大学 | Liquid-solid fluidization sorting system |
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