CN203459177U - Dry-method selective two-grade separation device for solid materials - Google Patents
Dry-method selective two-grade separation device for solid materials Download PDFInfo
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- CN203459177U CN203459177U CN201320518760.2U CN201320518760U CN203459177U CN 203459177 U CN203459177 U CN 203459177U CN 201320518760 U CN201320518760 U CN 201320518760U CN 203459177 U CN203459177 U CN 203459177U
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Abstract
The utility model provides a dry-method selective two-grade separation device for solid materials and belongs to the technical field of reselection-method separation of materials. According to the dry-method selective two-grade separation device, a first-grade separation device is composed of a fluidized separation bed which is connected by an air conveying main pipe connected with an air blower through an air conveying branch pipe; a second-grade separation device is a cyclone separator. A bottom outlet of the fluidized separation bed is connected with a high-density material storage cabin and a top outlet of the fluidized separation bed is connected with the cyclone separator; a lower outlet of the cyclone separator is connected with the high-density material storage cabin and the upper part of the cyclone separator is connected with a low-density material storage cabin; the top of the low-density material storage cabin is connected with a variable-frequency draught fan by an air conveying pipeline. With the adoption of the device, solid mixed materials can be separated under a dry state by using a physical method, and previous physicochemical properties of the materials can be kept; the separated materials can be further utilized. The whole separation process has an optimal environment-friendly effect. Meanwhile, the device is simple in structure and simple and convenient to operate and manage; other separation mediums do not need to be added so that the cost is low; the dry-method selective two-grade separation device is applicable to separating almost materials with different densities.
Description
Technical field
The utility model relates to the selective solid material secondary separation device of a kind of dry method, belongs to material gravity separation method separation technology field.
Background technology
In the industry production processes such as metallurgy, electric power, coal, chemical industry, ore dressing, often need to according to certain requirement, divide the different product of hanking by solid material, to meet need of production or to increase its use value.At present, the separation method going out according to the Difference of the physicochemical properties of different separated objects and material mainly contains floatation, electromagnetic separation method, gravity separation method etc., these methods all have applicable elements separately, floatation be take surface chemistry as subject basis, realizes the sorting of different material according to the difference of different material Surface Physical Chemistry character; Electromagnetic separation method be take electromagnetism as subject basis, according to the differential separation of different material magnetic and electric conductivity, goes out different material; Gravity separation method be take hydrodynamics as subject basis, according to the density variation of different material, carries out the sorting of material in certain medium.Every kind of separation method all derives a lot of different technique simultaneously, but the equal more complicated of these technological processes, separation equipment is many, and equipment energy consumption is large, and construction investment is many, is unfavorable for operational management and energy-conserving and environment-protective.
With the example that is separated into of power-generating enterprise's flyash, flyash is a kind of composite material like volcano grey matter that coal dust forms after high-temp combustion, is mainly the solid waste of the industry discharges such as coal-burning power plant, smeltery, chemical industry.By the research of flyash separation and application technology thereof is found, it is one of raw material of department's super quality and competitive price such as building materials, chemical industry, refractory thermal insulating material.
Harmful components in flyash are unburnt carbon granules, and its water imbibition is large, and intensity is low, and easy-weathering is unfavorable for the resource of flyash.Because some reasons in ature of coal and combustion technology make coal dust, can not fully burn, cause the phosphorus content of flyash to increase.Along with industrial expansion, flyash discharge capacity increases year by year, and flyash decarburization has not only been saved a large amount of coal resources for country, and has improved the comprehensive utilization value of flyash.
Fly ash charcoal-removing technique mainly contains dry method electric separation and two kinds of methods of wet method flotation at present.
The principle of dry method electric separation is to utilize flyash ash under high voltage electric field effect different with the electric conductivity of charcoal and carry out separated, its shortcoming is: the rate of recovery is at 60-70%, the problem such as the quick abrasion of screening installation, the collection of the Safety Economy Problem of high pressure positive blower and thin ash and dedusting, is restricting further developing of electric separation simultaneously; Electric separation is because de-charcoal efficiency is low, technique is immature, now also do not obtain extensive use.
The de-charcoal of wet method flotation be utilize flyash and coal cinder surface hydrophilic performance difference and by a kind of method of its differentiation, be applicable to the flyash of wet method discharge, the rate of recovery is higher, but its shortcoming is: flyash is through obtaining high-quality fly ash afterwards through concentrated, dehydration, oven dry, sorting, grinding after flotation, this process is complicated, and equipment energy consumption increases.
Summary of the invention
In order to solve problems of the prior art, the utility model provides a kind of dry method selective solid material secondary separation device.This device increases cyclone separator and frequency converting induced draft fan on the basis of the selective separator for solid materials of dry method, by coordinating with the two-stage of cyclone separator, Applied Physics method makes the case of low density loads composition in solids mixing material carry out twice separation, to reach efficient separative efficiency.By one or more snippets separation of the separated bed of fluidisation in the selective separator for solid materials of dry method, its separative efficiency can reach more than 60%; Through the second-order separation of cyclone separator, separative efficiency can be brought up to more than 80%.
The technical solution of the utility model is: the selective solid material secondary separation device of a kind of dry method, comprise solids mixing material warehouse, dispenser, the separated bed of fluidisation, air blast and air conveying supervisor, solids mixing material warehouse is connected by the separated bed of dispenser and fluidisation, also comprises cyclone separator, high density material warehouse and case of low density loads warehouse.The separated bed of the fluidisation formation first stage separation device that the air that described air blast connects carries supervisor to carry arm to connect by air, wherein a road air is carried arm to connect case by air to be connected with the outlet conduit of dispenser, remaining air carries arm to be connected with the bellows of the separated bed of fluidisation bottom respectively, bellows top arranges air distribution plate, air distribution plate top arranges one or more grids with same size rectangular opening, grid is divided into one or more snippets by the separated bed of fluidisation, and every section of one of correspondence is positioned at the bellows below air distribution plate.Second-stage separation device adopts a cyclone separator.The separated bed of fluidisation outlet at bottom connects high density material warehouse by lower conveyance conduit, top exit connects cyclone separator by air channel, top, the lower part outlet of cyclone separator is connected with high density material warehouse, top is connected with case of low density loads warehouse by upper conveyance conduit, and the top of case of low density loads warehouse connects frequency converting induced draft fan by gas pipeline.
Described air is carried on arm flow control valve and flowmeter is installed.
Described cyclone separator top arranges one and is communicated with, stretches into the central tube in cyclone separator with upper conveyance conduit, and central tube adopts the adjustment structure moving up and down.
The air that described air blast is carried is by the bellows of the separated bed of fluidisation bottom, then the air distribution plate top blast solid material of flowing through, and makes solid material be fluidization in the separated bed of fluidisation.
Adopt technique scheme, solid material refers to two or more solids mixing materials of different densities.Solid material carries out after one-level separation in the selective separator for solid materials of dry method, the material composition that density is higher enters high density material warehouse, low-density, the material composition that particle is little upwards flows, by air channel, top, directly enter cyclone separator and carry out the second-order separation, in cyclone separator, the higher material composition of density is rotated down mobile owing to being subject to the effect of centrifugal force, from cyclone separator outlet at bottom, be separated and enter high density material warehouse, the material composition that density is lower focuses on whirlpool center gradually, with air, enter central tube, from cyclone separator top exit, flow out and enter case of low density loads warehouse.When air velocity in cyclone separator is constant, the position of central tube can move up and down adjusting according to the density of target separation of material and granularity critical point; The air-introduced machine of configuration frequency converter can regulate air inducing pressure to change whirlwind flow velocity according to the physical property situation of change that enters material in cyclone separator, reaches best separating effect.
Effect of the present utility model and benefit are: the selective solid material secondary separation device of this dry method, the separated bed of fluidisation that the air that first stage separation device is connected by air blast carries supervisor to carry arm to connect by air forms, and second-stage separation device adopts a cyclone separator.The separated bed of fluidisation outlet at bottom connects high density material warehouse by lower conveyance conduit, top exit connects cyclone separator by air channel, top, the lower part outlet of cyclone separator is connected with high density material warehouse, top is connected with case of low density loads warehouse by upper conveyance conduit, and the top of case of low density loads warehouse connects frequency converting induced draft fan by gas pipeline.This device Applied Physics method under dry state is carried out separation to solids mixing material, can not destroy the form of water-soluble substances in material, can keep the original physicochemical properties of material, through separated material, can further be utilized.And whole separation process produces without any solid, gas, liquid debris, avoids secondary pollution, has best environment protecting.Meanwhile, this device simple in structure, operational management is easy, without dropping into other separating medium, with low cost, adapts to the separation of most different densities materials.
Accompanying drawing explanation
Fig. 1 is the work system figure of the selective solid material secondary separation device of a kind of dry method.
In figure: 1, solids mixing material warehouse, 2, dispenser, 3, air connects case, 4, air carries supervisor, 4a, air carry arm, 4b, flow control valve, 4c, flowmeter, 5, air blast, 6, the separated bed of fluidisation, 6a, grid, 6b, air distribution plate, 6c, bellows, 7, air channel, top, 8, lower conveyance conduit, 9, high density material warehouse, 10, case of low density loads warehouse, 11, cyclone separator, 11a, central tube, 11b, upper conveyance conduit, 12, frequency converting induced draft fan, 12a, gas pipeline.
The specific embodiment
Fig. 1 shows the work system figure of the selective solid material secondary separation device of a kind of dry method.In figure, the selective solid material secondary separation device of dry method comprises solids mixing material warehouse 1, dispenser 2, the separated bed 6 of fluidisation, air blast 5, air conveying supervisor 4, cyclone separator (11), high density material warehouse 9 and case of low density loads warehouse 10, and solids mixing material warehouse 1 is connected by dispenser 2 and the separated bed 6 of fluidisation.
The separated bed 6 of fluidisation that the air that first stage separation device is connected by air blast 5 carries supervisor 4 to carry arm 4a to connect by air forms, air is carried on arm 4a flow control valve 4b and flowmeter 4c is installed, wherein a road air is carried arm 4a to connect case 3 by air to be connected with the outlet conduit of dispenser 2, remaining air carries arm 4a to be connected with the bellows 6c of the separated bed of fluidisation 6 bottoms respectively, bellows 6c top arranges air distribution plate 6b, air distribution plate 6b top arranges one or more grid 6a with same size rectangular opening, grid 6a is divided into one or more snippets by the separated bed 6 of fluidisation, every section of one of correspondence is positioned at the bellows 6c below air distribution plate 6b.
Second-stage separation device adopts a cyclone separator 11, and the separated bed of fluidisation 6 outlet at bottoms connect high density material warehouse 9 by lower conveyance conduit 8, and top exit connects cyclone separator 11 by air channel, top 7.The lower part outlet of cyclone separator 11 is connected with high density material warehouse 9, top is connected with case of low density loads warehouse 10 by upper conveyance conduit 11b, cyclone separator 11 tops arrange one and are communicated with, stretch into the central tube 11a in cyclone separator 11 with upper conveyance conduit 11b, and central tube 11a adopts the adjustment structure moving up and down.The top of case of low density loads warehouse 10 connects frequency converting induced draft fan 12 by gas pipeline 12a.
The air that air blast 5 is carried is by the bellows 6c of the separated bed of fluidisation 6 bottoms, then the air distribution plate 6b top blast solid material of flowing through, and makes solid material be fluidization in the separated bed 6 of fluidisation.
Adopt technique scheme, cyclone separator 11 is tangentially connected with air channel, top 7 outlets of the separated bed 6 of fluidisation, solid material carries out after one-level separation in the separated bed 6 of fluidisation, the material composition that density is higher enters high density material warehouse 9, low-density, the material composition that particle is little upwards flow, and directly enter cyclone separator 11 carry out the second-order separation by air channel, top 7.The material composition that density is higher is rotated down and flows into high density material warehouse 9 under whirlwind effect, the material composition that density and particle are less is pooled to central tube 11a center with swirling eddy, with air, from central tube 11a, flow out, then enter case of low density loads warehouse 10 through upper conveyance conduit 11b.When air velocity in cyclone separator 11 is constant, by moving up and down central tube 11a to adapt to density and the granularity critical point of target separation of material; Frequency converting induced draft fan 12 is connected with case of low density loads warehouse 10 rear portions by gas pipeline 12a, by stepless frequency conversion, regulate air inducing pressure can change the whirlwind flow velocity in cyclone separator 11, to adapt to the physical property situation of change of different component material, reach best separating effect.
Claims (4)
1. the selective solid material secondary separation device of dry method, comprise solids mixing material warehouse (1), dispenser (2), the separated bed of fluidisation (6), air blast (5) and air are carried supervisor (4), solids mixing material warehouse (1) is connected by the separated bed of dispenser (2) and fluidisation (6), it is characterized in that: also comprise cyclone separator (11), high density material warehouse (9) and case of low density loads warehouse (10), the air that described air blast (5) connects carries supervisor (4) to carry the separated bed of fluidisation (6) that arm (4a) connects to form first stage separation device by air, wherein a road air is carried arm (4a) to connect case (3) by air to be connected with the outlet conduit of dispenser (2), remaining air carries arm (4a) to be connected with the bellows (6c) of the separated bed of fluidisation (6) bottom respectively, bellows (6c) top arranges air distribution plate (6b), air distribution plate (6b) top arranges one or more grids with same size rectangular opening (6a), grid (6a) is divided into one or more snippets by the separated bed of fluidisation (6), every section of one of correspondence is positioned at air distribution plate (6b) bellows (6c) below, second-stage separation device adopts a cyclone separator (11), the separated bed of fluidisation (6) outlet at bottom connects high density material warehouse (9) by lower conveyance conduit (8), top exit connects cyclone separator (11) by air channel, top (7), the lower part outlet of cyclone separator (11) is connected with high density material warehouse (9), top is connected with case of low density loads warehouse (10) by upper conveyance conduit (11b), and the top of case of low density loads warehouse (10) connects frequency converting induced draft fan (12) by gas pipeline (12a).
2. the selective solid material secondary separation device of a kind of dry method according to claim 1, is characterized in that: described air is carried on arm (4a) flow control valve (4b) and flowmeter (4c) are installed.
3. the selective solid material secondary separation device of a kind of dry method according to claim 1, it is characterized in that: described cyclone separator (11) top arranges one and is communicated with, stretches into the interior central tube (11a) of cyclone separator (11) with upper conveyance conduit (11b), and central tube (11a) adopts the adjustment structure moving up and down.
4. the selective separator for solid materials of a kind of dry method according to claim 1, it is characterized in that: the air that described air blast (5) is carried is by the bellows (6c) of the separated bed of fluidisation (6) bottom, air distribution plate (6b) the top blast solid material of flowing through again, makes solid material be fluidization in the separated bed of fluidisation (6).
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| CN201320518760.2U CN203459177U (en) | 2013-08-24 | 2013-08-24 | Dry-method selective two-grade separation device for solid materials |
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| CN201320518760.2U CN203459177U (en) | 2013-08-24 | 2013-08-24 | Dry-method selective two-grade separation device for solid materials |
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| CN203459177U true CN203459177U (en) | 2014-03-05 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103406270A (en) * | 2013-08-24 | 2013-11-27 | 中能东讯新能源科技(大连)有限公司 | Dry method selective solid material two-stage separation device |
| CN104437909A (en) * | 2014-12-08 | 2015-03-25 | 中国华电集团科学技术研究总院有限公司 | Dry-process pulsed cyclone separation device and separation method for fine materials |
-
2013
- 2013-08-24 CN CN201320518760.2U patent/CN203459177U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103406270A (en) * | 2013-08-24 | 2013-11-27 | 中能东讯新能源科技(大连)有限公司 | Dry method selective solid material two-stage separation device |
| CN104437909A (en) * | 2014-12-08 | 2015-03-25 | 中国华电集团科学技术研究总院有限公司 | Dry-process pulsed cyclone separation device and separation method for fine materials |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140305 Termination date: 20150824 |
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| EXPY | Termination of patent right or utility model |