CN103225021A - Dust extraction apparatus - Google Patents

Dust extraction apparatus Download PDF

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Publication number
CN103225021A
CN103225021A CN2013101567448A CN201310156744A CN103225021A CN 103225021 A CN103225021 A CN 103225021A CN 2013101567448 A CN2013101567448 A CN 2013101567448A CN 201310156744 A CN201310156744 A CN 201310156744A CN 103225021 A CN103225021 A CN 103225021A
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China
Prior art keywords
dust
carried
bath unit
filter septum
filter
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CN2013101567448A
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CN103225021B (en
Inventor
郭占成
詹光
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University of Science and Technology Beijing USTB
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University of Science and Technology Beijing USTB
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/20—Recycling

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Abstract

The invention provides a dust extraction apparatus, which comprises a body 6, a stirrer 1 with a stirring shaft 11, and a filtration separation plate 4, and is characterized in that the body 6 is a hollow cylinder, the filtration separation plate 4 is arranged in the middle portion of the cavity of the body 6, and is provided with a stirring shaft through hole 10, the top portion of the body 6 is provided with a dust feeding port 2 and an extraction agent feeding port 7, and is provided with the stirrer 1, the stirring shaft 11 is vertically inserted into the cavity of the body 6, and is provided with two sets of stirring blades such as upper stirring blades and lower stirring blades, the upper stirring blades are positioned on the upper portion of the filtration separation plate, the lower stirring blades are positioned on the lower portion of the filtration separation plate, and the bottom of the body 6 is provided with an inlet hole 13 and a mixing liquid discharging pipe 9. The dust extraction apparatus has a simple structure, wherein impurity separation is achieved while achieving extraction so as to reduce a screening step performed before extraction, and further avoid equipment loss of the large-size material on the subsequent process equipment.

Description

A kind of dust is carried bath unit
Technical field
The present invention relates to field of metallurgy, particularly a kind of from metallurgical dust, extract valuable constituent dust carry bath unit.
Background technology
The technology of extracting at present valuable constituent from metallurgical dust has multiple, comprises that acidleach, alkali soak and technology such as water logging.Adopt above arbitrary technology to carry out carrying when soaking of valuable constituent, because the metallurgical dust particle is tiny, water-absorbent is stronger, and water-slag mixed solution slip of carrying after soaking is difficult to realize that gravity filtration separates, and generally is that these water-slag mixed solution is driven into pressure filter with pump and filters.Because metallurgical dust is very easily sneaked into the large size foreign material in the process of stacking and transporting, if dust is not screened before the leaching, the large size foreign material that these are sneaked into are very big to the loss of pipeline, valve and pump in the water after leaching-slag mixed solution transport process.Yet, because that metallurgical dust has a particle is tiny, easy airborne dust, easy agglutinating characteristics, the inefficiency that before the leaching foreign material of dust is sieved, airborne dust is big, and is bigger to environment and workers'health harm.Therefore, how solving dust and put forward dust screening problem in the soaking technology, is major issues that solution is badly in need of in these enterprises that extract valuable constituent from dust.
Summary of the invention
The objective of the invention is to overcome the existing processes defective, provide a kind of carrying to need not before soaking to the dust screening, dust leaching efficiency height, leaching back water-slag mixed solution slip is transported easily, is filtered, and a kind of dust simple to operate is carried bath unit, can realize the screening of dust simultaneously and carries and soaking.
The dust that the present invention proposes is carried bath unit and is comprised: body 6, the agitator 1 with stir shaft 11 and filter septum 4, it is characterized in that, described body 6 is the cylinder of hollow, and described filter septum 4 is installed on body 6 inner chambers middle part, has stir shaft perforation 10 on the filter septum 4;
Body 6 tops are provided with dust charging opening 2 and leaching agent charging opening 7, and described agitator 1 is installed, wherein, stir shaft 11 vertical body 6 inner chambers that insert, have two groups of stirring rakes of last stirring rake and lower stirring paddle on the stir shaft 11, last stirring rake is positioned at filter septum top, and lower stirring paddle is positioned at the filter septum bottom; Body 6 bottoms are provided with mixed solution discharge nozzle 9 and manhole 13.
Preferably, body 6 middle parts are provided with the double spigot discharge 8 of maintenance, and double spigot discharge 8 positions of maintenance are higher than filter septum 4.
Preferably, filter septum 4 is a low pyramidal structure around the height of center.
Preferably, described pyramidal structure is conical or polygonal taper, and the pitch angle of taper bus is 15-45 °.
Preferably, have filter pore on the described filter septum 4, described filter pore aperture is 3-20mm.
Preferably, described filter septum 4 is formed in one, or assembled by the active filters plate.
Preferably, described active filters plate is provided with stiffening web.
Preferably, filter septum 4 is fixed installation at the mounting means of chamber body, or installs by supporting girder steel frame 12.
Preferably, described cylinder is right cylinder or Polygons post.
Preferably, described body is built up by welded steel plate or concrete.
Setting by filter septum in the technical scheme of the present invention, can filter the large size foreign material, improved the screening of dust and carry and soak efficient, simultaneously, gradient setting based on filter septum, the large size foreign material are disperseed around the trend, avoid foreign material that the stirring rake of dividing plate 4 tops is had a negative impact, also be beneficial to foreign material are discharged from overhauling the spigot discharge 8 of holding concurrently.Apparatus of the present invention are simple in structure, and leaching process is realized the dust screening and carry soaking simultaneously and carry out that need not to be provided with in addition the screening processing unit, the material processing costs is low, and is simple to operate, dust leaching efficiency height.
Description of drawings
Fig. 1 carries bath unit overall structure synoptic diagram for the dust of the embodiment of the invention one.
Fig. 2 carries bath unit middle part partial enlarged drawing for the dust of the embodiment of the invention one.
Fig. 3 (a) 3(b) for the cylindric filter septum structural representation that soaks jar of carrying of embodiment one, wherein, 3(a) is filter septum tangent plane synoptic diagram, 3(b) is the filter septum schematic top plan view.
Fig. 4 carries bath unit overall structure synoptic diagram for the dust of the embodiment of the invention two.
Fig. 5 carries bath unit middle part partial enlarged drawing for the dust of the embodiment of the invention two.
Fig. 6 (a) 6(b), 6(c) carries the filter septum structural representation that soaks jar for the cubes rectangle column of embodiment two, wherein, 6(a) is filter septum tangent plane synoptic diagram, 6(b) is the filter septum schematic top plan view, 6(c) movable filter plate synoptic diagram.
Reference numeral is as follows:
Stirring rake, 4 filter septums, 5 lower stirring paddles, 6 are carried bath unit body, 7 leaching agent charging openings, the double spigot discharge of 8 maintenance, 9 water-slag mixed solution discharge nozzle, the perforation of 10 stir shafts, 11 stir shafts, 12 support girder steel framves, 13 manholes, 14 stiffening webs on 1 agitator, the 2 dust charging openings, 3.
Embodiment
Describe embodiments of the invention below in detail, the example of described embodiment is shown in the drawings, and wherein identical from start to finish or similar label is represented identical or similar elements or the element with identical or similar functions.
Describe the dust of the embodiment of the invention below with reference to Figure of description and carry bath unit.
Embodiment one
As shown in Figure 1, it is a tightness system that dust of the present invention is carried bath unit, comprises the body 6, agitator 1 and the filter septum 4 that immerse device.
Body 6 is a tank structure, or is referred to as the column structure (comprising cylinder or other Polygons columns) of hollow, is built up by welded steel plate or concrete, and body 6 is the right cylinder of hollow in the present embodiment, and main body 6 inner chambers are co-axial right cylinder.Body 6 inner chambers middle part is installed with the filter septum 4 that has filter pore, body 6 inner chambers are divided into two teeter columns up and down, can realize the filtration of large size foreign material is tackled by filter septum 4, guarantee that the small size material enters the bottom of carrying bath unit by dividing plate 4 smoothly by deadweight, i.e. the following teeter column of tightness system body 6 inner chambers.
Shown in Fig. 2,3, filter septum 4 is surperficial pyramidal structure with filter pore, forms height of center low slope all around, inclination angle, slope (being the inclination angle of taper bus) is i, in the present embodiment, i=15 °, so that the large size foreign material are disperseed to the filter septum periphery along the slope because of deadweight.Filter septum 4 edges are fixed in body 6 inner chambers middle part, and the centre offers stir shaft perforation 10 so that stir shaft 11 therefrom passes.Be adapted to the cylindrical shape of main body 6 inner chambers, the filter septum in the present embodiment is conical, utilizes corrosion-resistant steel material one to process, and the filter pore aperture on the filter septum 4 is 3mm.
Body 6 tops are equipped with agitator 1, and are provided with dust charging opening 2 and leaching agent charging opening 7; Stir shaft 11 vertical body 6 inner chambers that insert of described agitator 1, extend from top to bottom, and the perforation of the stir shaft by offering on the dividing plate 4 10 is inserted into dividing plate 4 bottoms (promptly descending the teeter column), have two pairs of stirring rakes on the stir shaft 11---go up stirring rake 3 and lower stirring paddle 5, wherein, last stirring rake is positioned at dividing plate 4 tops, mixture to dividing plate top (promptly going up in the teeter column) stirs, lower stirring paddle is positioned at dividing plate 4 belows, and the mixture of dividing plate below (promptly descending in the teeter column) is stirred.
The top that body 6 middle parts are positioned at dividing plate is provided with the double spigot discharge 8 of maintenance, after the large size foreign material that filter dividing plate 4 tops are accumulated to a certain degree, can from overhaul the spigot discharge 8 of holding concurrently foreign material be discharged.
Body 6 bottoms are provided with water-slag mixed solution discharge nozzle 9, are used for the mixed solution slip after immersing is discharged.Body 6 bottoms are provided with manhole 13 simultaneously, use for maintenance.
Embodiment two
Dust in the present embodiment is put forward the bath unit overall structure as shown in Figure 4, carries bath unit and comprises body 6, agitator 1 and the filter septum 4 that immerses device.
Body 6 in the present embodiment is the rectangular cylinder of hollow, and main body 6 inner chambers are co-axial rectangular cylinder.Immerse device body 6 inner chambers middle part and be provided with filter septum 4.
Body 6 tops are equipped with agitator 1, and are provided with dust charging opening 2 and leaching agent charging opening 7; Stir shaft 11 vertical body 6 inner chambers that insert of described agitator 1, in main body 6 inner chambers, extend from top to bottom, and and the perforation of the stir shaft by offering on the dividing plate 4 10 be inserted into dividing plate 4 bottoms, have two pairs of stirring rakes on the stir shaft 11---go up stirring rake 3 and lower stirring paddle 5, last stirring rake is positioned at dividing plate 4 tops, and lower stirring paddle is positioned at dividing plate 4 belows.
As shown in Figure 5, in order to improve the steadiness of filter septum, the middle part of body 6 is provided with the membrane support girder steel frame of being built by section bars such as L shaped steel or i shaped steels 12, is used for support activity filter plate, thereby makes movable filter plate be assemblied to form filter septum 4.
As Fig. 6, filter septum 4 in the present embodiment is the assembled quadrangular pyramid shapes of movable filter plate that have filter pore by 8, taper bus inclination angle i=45 °, offer stir shaft perforation 10 in the middle of the filter septum 4 so that stir shaft 11 therefrom passes, the edge of filter septum 4 fits in body 6 inner chambers middle part, and the support girder steel frame 12 that sets up by body 6 inner chambers middle part positions installation.When installing, the movable filter plate that only needs to constitute filter septum 4 is installed in the frame-saw that supports girder steel frame 12, simultaneously also for after maintenance work facilitate, wherein, the mounting means of movable filter plate be detachable installation, as the bolt connection etc.Filter pore aperture on the movable filter plate is 20mm, and in addition, steadiness and supporting capacity in order to increase movable filter plate can be provided with stiffening web 14 on movable filter plate.
Body 6 middle parts are positioned at the dividing plate top and are provided with the double spigot discharge 8 of maintenance, after the large size foreign material of dividing plate 4 tops are accumulated to a certain degree, can from overhaul the spigot discharge 8 of holding concurrently foreign material be discharged.
Body 6 bottoms are provided with manhole 13 and water-slag mixed solution discharge nozzle 9.
Using dust of the present invention to carry bath unit carries out dust and puies forward the method for soaking and may further comprise the steps:
Step 1, material loading leach
During material loading, close double spigot discharge 8 of maintenance and mixed solution discharge nozzle 9, add powders, add leaching agents, start agitator 1 simultaneously and begin to stir from leaching agent charging opening 7 by powder feed mouth 2.After powder and leaching agent reach add-on and arrive predetermined threshold, stop the adding of powder and leaching agent, close powder feed mouth 2 and leaching agent charging opening 7 valves, and keep agitator 1 under predetermined stirring intensity, to continue to stir the predetermined time of soaking of carrying.
Step 2, discharging
Reach carry the time of soaking after, the stirring that keeps agitator 1, and open mixed solution discharge nozzle 9, the mixed solution slip is discharged from mixed solution discharge nozzle 9, so that enter subsequent handling (as precipitation removal of impurities, evaporative crystallization etc.).
Step 3, deslagging
After the large size foreign material of dividing plate 4 tops are accumulated to a certain degree, stop the material loading of dust and leaching agent, drain dust from mixed solution discharge nozzle 9 and carry mixed solution slip the bath unit, stop to stir, guarantee the double spigot discharge 8 of safety back unlatching maintenance, therefrom discharge the large size foreign material.
In the description of this specification sheets, concrete feature, structure, material or characteristics that the description of reference term " embodiment ", " some embodiment ", " example ", " concrete example " or " some examples " etc. means in conjunction with this embodiment or example description are contained at least one embodiment of the present invention or the example.In this manual, the schematic statement to above-mentioned term not necessarily refers to identical embodiment or example.And concrete feature, structure, material or the characteristics of description can be with the suitable manner combination in any one or more embodiment or example.
Although illustrated and described embodiments of the invention, for the ordinary skill in the art, be appreciated that without departing from the principles and spirit of the present invention and can carry out multiple variation, modification, replacement and modification that scope of the present invention is by claims and be equal to and limit to these embodiment.

Claims (10)

1. a dust is carried bath unit, described dust is carried agitator (1) and the filter septum (4) that bath unit comprises body (6), has stir shaft (11), it is characterized in that, described body (6) is the cylinder of hollow, described filter septum (4) is installed on body (6) inner chamber middle part, has stir shaft perforation (10) on the filter septum (4);
Body (6) top is provided with dust charging opening (2) and leaching agent charging opening (7), and described agitator (1) is installed, wherein, stir shaft (11) vertically inserts body (6) inner chamber, have two groups of stirring rakes of last stirring rake and lower stirring paddle on the stir shaft (11), last stirring rake is positioned at filter septum (4) top, and lower stirring paddle is positioned at filter septum (4) bottom; Body (6) bottom is provided with mixed solution discharge nozzle (9) and manhole (13).
2. dust as claimed in claim 1 is carried bath unit, it is characterized in that, body (6) middle part is provided with the double spigot discharge (8) of maintenance, and double spigot discharge (8) position of maintenance is higher than filter septum (4).
3. dust as claimed in claim 1 is carried bath unit, it is characterized in that, filter septum (4) is a low pyramidal structure around the height of center.
4. dust as claimed in claim 3 is carried bath unit, it is characterized in that, described pyramidal structure is conical or polygonal taper, and the pitch angle of taper bus is 15-45 °.
5. dust as claimed in claim 1 is carried bath unit, it is characterized in that, described filter septum has filter pore on (4), and described filter pore aperture is 3-20mm.
6. dust as claimed in claim 1 is carried bath unit, it is characterized in that, described filter septum (4) is formed in one, or assembled by the active filters plate.
7. dust as claimed in claim 1 is carried bath unit, it is characterized in that, described active filters plate is provided with stiffening web (14).
8. dust as claimed in claim 1 is carried bath unit, it is characterized in that, filter septum (4) is fixed installation at the mounting means of chamber body, or installs by supporting girder steel frame (12).
9. dust as claimed in claim 1 is carried bath unit, it is characterized in that, described cylinder is right cylinder or Polygons post.
10. dust as claimed in claim 1 is carried bath unit, it is characterized in that, described body (6) is built up by welded steel plate or concrete.
CN201310156744.8A 2013-04-28 2013-04-28 Dust extraction apparatus Active CN103225021B (en)

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Application Number Priority Date Filing Date Title
CN201310156744.8A CN103225021B (en) 2013-04-28 2013-04-28 Dust extraction apparatus

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Application Number Priority Date Filing Date Title
CN201310156744.8A CN103225021B (en) 2013-04-28 2013-04-28 Dust extraction apparatus

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CN103225021B CN103225021B (en) 2014-06-18

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105296760A (en) * 2015-11-19 2016-02-03 四川长虹电器股份有限公司 Metal recycling reaction device and metal recycling method thereof
CN108624750A (en) * 2018-05-28 2018-10-09 赵鹏 A kind of metallurgical dust sludge leaching device

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003097205A1 (en) * 2002-05-16 2003-11-27 Outokumpu Oyj Method and equipment to control separation of a dispersion in liquid-liquid extraction
CN100366315C (en) * 2003-03-19 2008-02-06 奥托昆普技术公司 Method and equipment for liquid-liquid extraction
US7390420B2 (en) * 2002-05-16 2008-06-24 Outotec Oyj Method and equipment for compressing a dispersion in liquid-liquid extraction
CN202237757U (en) * 2011-09-12 2012-05-30 张步芳 Cyclone dedusting and desulfurizing device for flue gas of coal-fired boiler
CN102836661A (en) * 2012-08-23 2012-12-26 金川集团股份有限公司 Gas-filling temperature-raising leaching tank
CN203238313U (en) * 2013-04-28 2013-10-16 北京科技大学 Dust extracting and leaching device

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003097205A1 (en) * 2002-05-16 2003-11-27 Outokumpu Oyj Method and equipment to control separation of a dispersion in liquid-liquid extraction
US20050161524A1 (en) * 2002-05-16 2005-07-28 Bror Nyman Method and equipment to control separation of a dispersion liquid-liquid extraction
US7390420B2 (en) * 2002-05-16 2008-06-24 Outotec Oyj Method and equipment for compressing a dispersion in liquid-liquid extraction
CN100366315C (en) * 2003-03-19 2008-02-06 奥托昆普技术公司 Method and equipment for liquid-liquid extraction
CN202237757U (en) * 2011-09-12 2012-05-30 张步芳 Cyclone dedusting and desulfurizing device for flue gas of coal-fired boiler
CN102836661A (en) * 2012-08-23 2012-12-26 金川集团股份有限公司 Gas-filling temperature-raising leaching tank
CN203238313U (en) * 2013-04-28 2013-10-16 北京科技大学 Dust extracting and leaching device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105296760A (en) * 2015-11-19 2016-02-03 四川长虹电器股份有限公司 Metal recycling reaction device and metal recycling method thereof
CN108624750A (en) * 2018-05-28 2018-10-09 赵鹏 A kind of metallurgical dust sludge leaching device

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