CN103225021B - Dust extraction apparatus - Google Patents

Dust extraction apparatus Download PDF

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Publication number
CN103225021B
CN103225021B CN201310156744.8A CN201310156744A CN103225021B CN 103225021 B CN103225021 B CN 103225021B CN 201310156744 A CN201310156744 A CN 201310156744A CN 103225021 B CN103225021 B CN 103225021B
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dust
bath unit
carried
filter septum
filter
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CN201310156744.8A
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CN103225021A (en
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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 technique of extracting at present valuable constituent from metallurgical dust has multiple, comprises that acidleach, alkali soak and the technique such as water logging.Adopt above arbitrary technique to carry out carrying while soaking of valuable constituent, because metallurgical dust particle is tiny, water-absorbent is stronger, and water-slag mixed solution slip of carrying after soaking is difficult to realize gravity filtration separation, is generally these water-slag mixed solution pumps to be driven into pressure filter filter.Because metallurgical dust is very easily sneaked into large size foreign material in the process of stacking and transport, if dust is not screened before 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-slag mixed solution transport process after leaching.But to have particle tiny due to metallurgical dust, easily airborne dust, the easily feature of bonding, the inefficiency before leaching, the foreign material of dust being sieved, airborne dust is large, larger to environment and workman's Health hazard.Therefore, how solving dust and put forward the dust screening problem in soaking technology, is that the major issue solving is badly in need of in these enterprises that extract valuable constituent from dust.
Summary of the invention
The object of the invention is to overcome existing defective workmanship, before providing one to carry to soak, without to dust screening, dust leaching efficiency is high, and after leaching, water-slag mixed solution slip is easily transported, filtered, and a kind of dust simple to operate is carried bath unit, can realize the screening to dust simultaneously and carry 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, the cylinder that described body 6 is hollow, described filter septum 4 is installed on body 6 inner chamber middle parts, has stir shaft perforation 10 on 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, vertical body 6 inner chambers that insert of stir shaft 11, on stir shaft 11, there are two groups of stirring rakes of upper stirring rake and lower stirring paddle, upper stirring rake is positioned at filter septum top, and lower stirring paddle is positioned at 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 maintenance is held concurrently spigot discharge 8 positions higher than filter septum 4.
Preferably, the low pyramidal structure of high surrounding centered by filter septum 4.
Preferably, described pyramidal structure is conical or polygonal taper, and the pitch angle of taper bus is 15-45 °.
Preferably, on described filter septum 4, have filter pore, described filter pore aperture is 3-20mm.
Preferably, described filter septum 4 is formed in one, or assembled by active filters plate.
Preferably, on described active filters plate, be provided with stiffening web.
Preferably, filter septum 4 is fixed installation at the mounting means of chamber body, or installs by supporting steel roof beam structure 12.
Preferably, described cylinder is right cylinder or Polygons post.
Preferably, described body is built up by welded steel plate or concrete.
In technical scheme of the present invention by the setting of filter septum, can filter large size foreign material, improve the screening of dust and carried and soak efficiency, simultaneously, gradient setting based on filter septum, large size foreign material are disperseed from trend surrounding, avoid foreign material to have a negative impact to the stirring rake of dividing plate 4 tops, be also 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 dust screening and carried soaking simultaneously and carry out, and without screening processing unit is set in addition, material processing costs is low, simple to operate, and dust leaching efficiency is high.
Accompanying drawing explanation
Fig. 1 is that the dust of the embodiment of the present invention one is carried bath unit overall structure schematic diagram.
Fig. 2 is that the dust of the embodiment of the present invention one is carried bath unit middle part partial enlarged drawing.
Fig. 3 (a), 3(b) be the cylindric filter septum structural representation that soaks tank of carrying of embodiment mono-, wherein, and 3(a) be filter septum tangent plane schematic diagram, 3(b) be filter septum schematic top plan view.
Fig. 4 is that the dust of the embodiment of the present invention two is carried bath unit overall structure schematic diagram.
Fig. 5 is that the dust of the embodiment of the present invention two is carried bath unit middle part partial enlarged drawing.
Fig. 6 (a), 6(b), 6(c) carry the filter septum structural representation that soaks tank for the cubes rectangle column of embodiment bis-, wherein, and 6(a) be filter septum tangent plane schematic diagram, 6(b) be filter septum schematic top plan view, 6(c) movable filter plate schematic diagram.
Reference numeral is as follows:
On 1 agitator, 2 dust charging openings, 3, 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, 10 stir shaft perforation, 11 stir shafts, 12 supporting steel roof beams structure, 13 manholes, 14 stiffening webs.
Embodiment
Describe embodiments of the invention below in detail, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has the element of identical or similar functions from start to finish.
Describe the dust of the embodiment of the present invention below with reference to Figure of description and carry bath unit.
Embodiment mono-
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 tank structure, or is referred to as the column structure (comprising cylinder or other Polygons columns) of hollow, built up by welded steel plate or concrete, and the right cylinder that in the present embodiment, body 6 is hollow, main body 6 inner chambers are coaxial right cylinder.Body 6 inner chamber middle parts are installed with the filter septum 4 with filter pore, body 6 inner chambers are divided into upper and lower Liang Ge teeter column, can realize the filtration interception to large size foreign material by filter septum 4, guarantee that small size material enters by dividing plate 4 bottom of carrying bath unit smoothly by conducting oneself with dignity, i.e. the lower teeter column of tightness system body 6 inner chambers.
As shown in Figure 2,3, filter septum 4, for the surperficial pyramidal structure with filter pore, forms the low slope of height of center surrounding, inclination angle, slope (being the inclination angle of taper bus) is i, in the present embodiment, i=15 °, to make large size foreign material disperse along slope to filter septum periphery because conducting oneself with dignity.Filter septum 4 edges are fixed on body 6 inner chamber middle parts, and 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 filter septum 4 is 3mm.
Body 6 tops are provided with agitator 1, and are provided with dust charging opening 2 and leaching agent charging opening 7; Vertical body 6 inner chambers that insert of stir shaft 11 of described agitator 1, extend from top to bottom, and be inserted into dividing plate 4 bottoms (Ji Xia teeter column) by the stir shaft perforation 10 of offering on dividing plate 4, on stir shaft 11, there are two pairs of stirring rakes---upper stirring rake 3 and lower stirring paddle 5, wherein, upper stirring rake is positioned at dividing plate 4 tops, mixture to dividing plate top (in Ji Shang teeter column) stirs, lower stirring paddle is positioned at dividing plate 4 belows, and the mixture of dividing plate below (in Ji Xia 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 of filter septum 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, for the mixed solution slip after immersing is discharged.Body 6 bottoms are provided with manhole 13 simultaneously, for maintenance.
Embodiment bis-
Dust in the present embodiment is put forward bath unit overall structure as shown in Figure 4, carries bath unit and comprises the body 6, agitator 1 and the filter septum 4 that immerse device.
The rectangular cylinder that body 6 in the present embodiment is hollow, main body 6 inner chambers are coaxial rectangular cylinder.Immerse device body 6 inner chamber middle parts and be provided with filter septum 4.
Body 6 tops are provided with agitator 1, and are provided with dust charging opening 2 and leaching agent charging opening 7; Vertical body 6 inner chambers that insert of stir shaft 11 of described agitator 1, in main body 6 inner chambers, extend from top to bottom, and and stir shaft perforation 10 by offering on dividing plate 4 be inserted into dividing plate 4 bottoms, on stir shaft 11, there are two pairs of stirring rakes---upper stirring rake 3 and lower stirring paddle 5, upper 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 12 of being built by section bars such as L-type steel or i shaped steels, for movable support 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 by 8 assembled quadrangular pyramid shapes of the movable filter plate with filter pore, taper bus inclination angle i=45 °, in the middle of filter septum 4, offer stir shaft perforation 10 so that stir shaft 11 therefrom passes, the edge of filter septum 4 fits in body 6 inner chamber middle parts, and the supporting steel roof beam structure 12 setting up by body 6 inner chamber middle parts positions installation.In the time installing, only need to be installed in the frame-saw of supporting steel roof beam structure 12 forming the movable filter plate of filter septum 4, also facilitate for posterior maintenance work simultaneously, wherein, the mounting means of movable filter plate be detachably installation, as bolt connection etc.Filter pore aperture on movable filter plate is 20mm, in addition, in order to increase steadiness and the supporting capacity of movable filter plate, on movable filter plate, stiffening web 14 can be set.
Body 6 middle parts are positioned at 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 comprise the following steps:
Step 1, material loading, leach
When material loading, close the double spigot discharge 8 of maintenance and mixed solution discharge nozzle 9, add powder by powder feed mouth 2, add leaching agent from leaching agent charging opening 7, start agitator 1 simultaneously and start to stir.Arrive after predetermined threshold when powder and leaching agent reach add-on, stop 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 and carry after the time of soaking, keep the stirring of agitator 1, and open mixed solution discharge nozzle 9, mixed solution slip is discharged from mixed solution discharge nozzle 9, to enter subsequent handling (as to remove impurity by means of precipitation, 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 the mixed solution slip bath unit, stop stirring, guarantee to open the double spigot discharge 8 of maintenance after safety, therefrom discharge large size foreign material.
In the description of this specification sheets, the description of reference term " embodiment ", " some embodiment ", " example ", " concrete example " or " some examples " etc. means to be contained at least one embodiment of the present invention or example in conjunction with specific features, structure, material or the feature of this embodiment or example description.In this manual, the schematic statement of above-mentioned term is not necessarily referred to identical embodiment or example.And specific features, structure, material or the feature of description can be with suitable mode 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 to these embodiment, scope of the present invention is by claims and be equal to and limit.

Claims (10)

1. a dust is carried bath unit, described dust is carried bath unit and is comprised agitator (1) and the filter septum (4) carrying bath unit body (6), have stir shaft (11), it is characterized in that, the described bath unit body (6) of carrying is for the cylinder of hollow, described filter septum (4) is installed on carries bath unit body (6) inner chamber middle part, has stir shaft perforation (10) on filter septum (4);
Carry bath unit body (6) top and be provided with dust charging opening (2) and leaching agent charging opening (7), and described agitator (1) is installed, wherein, the vertical insertion of stir shaft (11) carried bath unit body (6) inner chamber, on stir shaft (11), there are two groups of stirring rakes of upper stirring rake and lower stirring paddle, upper stirring rake is positioned at filter septum (4) top, and lower stirring paddle is positioned at filter septum (4) bottom; Carry bath unit body (6) bottom and be provided with water-slag mixed solution discharge nozzle (9) and manhole (13).
2. dust as claimed in claim 1 is carried bath unit, it is characterized in that, carries bath unit body (6) middle part and is provided with the double spigot discharge (8) of maintenance, and maintenance is held concurrently spigot discharge (8) position higher than filter septum (4).
3. dust as claimed in claim 1 is carried bath unit, it is characterized in that the low pyramidal structure of high surrounding centered by filter septum (4).
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 active filters plate.
7. dust as claimed in claim 6 is carried bath unit, it is characterized in that, is provided with stiffening web (14) on described active filters plate.
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 putting forward bath unit chamber body, or installs by supporting steel roof beam structure (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 in carry bath unit body (6) and built up by welded steel plate or concrete.
CN201310156744.8A 2013-04-28 2013-04-28 Dust extraction apparatus Active CN103225021B (en)

Priority Applications (1)

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 true CN103225021B (en) 2014-06-18

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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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FI113244B (en) * 2002-05-16 2004-03-31 Outokumpu Oy Process and apparatus for controlling separation of dispersion in a liquid-liquid extraction
FI112039B (en) * 2002-05-16 2003-10-31 Outokumpu Oy Process and apparatus for condensing dispersion in a liquid-liquid extraction
FI113746B (en) * 2003-03-19 2004-06-15 Outokumpu Oy Method and apparatus 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
CN102836661B (en) * 2012-08-23 2014-06-11 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

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