CN85107263A - Continuous centrifugal concentrating machine - Google Patents
Continuous centrifugal concentrating machine Download PDFInfo
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- CN85107263A CN85107263A CN85107263.1A CN85107263A CN85107263A CN 85107263 A CN85107263 A CN 85107263A CN 85107263 A CN85107263 A CN 85107263A CN 85107263 A CN85107263 A CN 85107263A
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- rotary drum
- ore
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- awl
- chamber
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Abstract
A kind of continuous centrifugal concentrating machine, the rotary drum of this machine adopt big cone angle, ultrashort shape design feature, and each rotary drum is equipped with three and gives ore deposit mouth, washer and dash the ore deposit mouth more than three.Outer cover is a kind of fabricated structure, it can be at any time entering sludge branch in the rotary drum hank concentrate, chats and mine tailing, and can subregion discharge each and collect, realize the purpose of continuous ore dressing.The chassis of this machine, rotary drum, outer cover all adopt the wear-resisting engineering plastics of light weight as material, have guaranteed the performance of this machine.Compare with the periodicity centrifugal ore separator, disposal ability is with the periodicity centrifugal ore separator of scale three times during platform, is a kind of desirable preparation equipment that sorts one 74 microns sludges now.
Description
The invention belongs to a kind of preparation equipment.
Continuous centrifugal concentrating machine is the preparation equipment that a kind of right-74 microns sludge can be realized valuable mineral continuous sorting very effectively.
Sorting in the preparation equipment of-74 microns sludges at present, what the most generally use is double tapered rotary drum centrifugal ore separator, this ore separators is to grow up after single tapering rotary drum centrifugal ore separator that Yunnan Province of China tin industry company at first invents, critical component in the double tapered rotary drum centrifugal ore separator is a rotary drum, and it is by a semi-cone angle α
1=10 °, length l
1The hollow round platform of=0.21D (calling the first awl chamber in the following text) and a semi-cone angle α
2=2.5 °, length l
2The hollow round platform of=0.32D (calling the second awl chamber in the following text) is formed.(D is the internal diameter of two awl junctions, chamber in the literary composition) ore pulp provides from the fixing ore deposit mouth of giving, enter the rotary drum first awl chamber interior walls of rotating around dead axle, flow through again second the awl chamber, holding the little particle of density this moment under the arm forms outside the tailing stream expelling tube, the particle that density is bigger is but separated out from ore pulp, be deposited on the second awl chamber interior walls, sort the time through one section to the ore deposit, treat that valuable mineral is after the drum inner wall enrichment becomes a particular geometric shapes, just stop to the ore deposit, with the pressure clear water valuable mineral of alluvial on inwall in the rotary drum washed out, centralized collection is finished the purpose that sorts sludge.
Rotary drum adopts the double tapered rotary drum centrifugal ore separator of said structure form, tailing stream and concentrate flow are alternately discharged in 360 ° of scopes of the second awl chamber mine-discharging terminal during ore dressing, therefore it can only carry out sorting operation periodically, so claim that again this kind ore separators is the discontinuous centrifugal ore separator.Though it also can sort one 74 microns sludge effectively, but sorting of it periodically limited disposal ability own, because in rotary drum, be equipped with ore feeder, towards ore deposit device, mine distributor and their action command, executing agency and power, so increased the unit cost, complicated equipment is given and is produced and management has brought inconvenience, especially at these auxiliary body's exercise not harmonies or when malfunctioning, to seriously influence sorting index, even lose the ability of sorting fully.
The improvement invention that The present invention be directed to the problem of double tapered rotary drum centrifugal ore separator existence and do, Fig. 1 is the continuous centrifugal concentrating machine complete machine schematic diagram after improving, frame (1), running part (2), chassis (3), rotary drum (4), outer cover (5), give ore deposit mouth (6), washer (7) is towards ore deposit mouth (8); Fig. 2 is the structural representation of continuous centrifugal concentrating machine rotary drum (4), the first awl chamber (9), the second awl chamber (10); Fig. 3 is the schematic diagram between the various product discharge areas of continuous centrifugal concentrating machine mine-discharging terminal, natural ore discharge district Q
1, force ore discharge district Q
2, the two is combined into mine tailing discharge area Q, chats discharge area m, concentrate discharge area β; Fig. 4 is the structural representation of continuous centrifugal concentrating machine outer cover (5), tube cover (11), reflecting plate (12), big mining collecting trough (13), little mining collecting trough (14).
Continuous centrifugal concentrating machine characteristics after the improvement are semi-cone angle α of the awl chamber of first in the rotary drum (4) (9)
1=10 °～20 °, the length l of the second awl chamber (10)
2=.05D～0.09D(D: the internal diameter of two awl junctions, chamber), and obtained the best semi-cone angle α of the first awl chamber
1=14 °～16 °, the optimum length l of the second awl chamber (10)
2=0.059D adopts the rotary drum (4) of new construction parameter to increase the axial flow velocity of ore pulp in tube, strengthens choosing and divides process, and make nature ore discharge district Q
1Shared angle is less than 360 °, in remaining angular range, the clear water that penetrates with washer (7) arrives random deposition the top layer of drift in the second awl chamber less particle elutriation of density earlier, use again towards the clear water of ore deposit mouth (8) ejection they are gone out outside the tube, Here it is so-called pressure ore discharge district Q2, natural ore discharge district and force mine tailing that the ore discharge district discharges outside big mining collecting trough (13) the discharge machine of outer cover (5).Nature ore discharge district Q1 and force the shared angle of ore discharge district Q2 still less than 360 °, in remaining angular range, use again and all go out the drift on the second awl chamber outside the tube towards the pressure clear water of ore deposit mouth (8) ejection, be the chats of chats discharge area m and the concentrate of concentrate discharge area β, they are outside the different passage discharge machines of little mining collecting trough (14), categorised collection reaches the purpose of continuous ore dressing.
In order to adapt to the continuous ore-dressing practice of this machine, be convenient to change consumable accessory, outer cover (5) is designed to combining structure shown in Figure 4, tube cover (11), reflecting plate (12), big mining collecting trough (13) and little mining collecting trough (14).
The chassis of the continuous centrifugal concentrating machine after the improvement (3), the sub-assembly tube cover (11) of rotary drum (4) and outer cover (5), reflecting plate (12), big mining collecting trough (13), it is material that little mining collecting trough (14) all adopts the wear-resisting engineering plastics of light weight, the technology of shot moulding guarantees the crudy of each parts, has reduced the rotary inertia of continuous centrifugal concentrating machine transfer silver drum (4).
This continuous centrifugal concentrating machine and periodicity centrifugal ore separator with scale have the identical granularity lower limit that sorts, and under the situation of identical floor space, energy consumption, disposal ability is with scale three times of centrifugal ore separator periodically during the platform of continuous centrifugal concentrating machine.Simultaneously continuous centrifugal concentrating machine do not need ore feeder, towards ore deposit device and mine distributor and their action command, executing agency and power, so it has simple in structure, stable performance, the production efficiency height, cost is low, low energy consumption, noiselessness, being convenient to characteristics such as Operation and Maintenance and management, is a kind of desirable preparation equipment that sorts-74 microns sludges now.
Claims (3)
1, a kind of continuous centrifugal concentrating machine, by frame [1], running part [2], chassis [3], and rotary drum [4], outer cover [5] is given ore deposit mouth [6], washer [7] and form towards ore deposit mouth [8].The invention is characterized in the semi-cone angle α of the first awl chamber [9] of rotary drum [4]
1=10 °～20 °, the length 1 of the second awl chamber [10]
2=0.05D～0.09D; (D: the internal diameter of two awl junctions, chamber), three of each rotary drum adapteds are given the ore deposit mouth and are dashed the ore deposit mouth more than three, and outer cover [5] is a kind of by tube cover [11], reflecting plate [12], big mining collecting trough [13], little mining collecting trough four fabricated structures that combine such as [14].
2,, it is characterized in that the semi-cone angle optimum angle alpha of the first awl chamber of rotary drum (4) by the described continuous centrifugal concentrating machine of claim 1
1=14 °～16 °, the optimum length l of the second awl chamber of rotary drum (4)
2=0.059D(D: the internal diameter of two awl junctions, chamber).
3, by claim 1 or 2 described continuous centrifugal concentrating machines, it is characterized in that chassis (3), the tube cover (11) of rotary drum (4) and outer cover (5), reflecting plate (12), big mining collecting trough (13), little mining collecting trough (14) Material Processing is engineering plastics, and adopts shot moulding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN85107263.1A CN1004123B (en) | 1985-09-29 | 1985-09-29 | Continuous centrifugal ore dresser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN85107263.1A CN1004123B (en) | 1985-09-29 | 1985-09-29 | Continuous centrifugal ore dresser |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN85107263A true CN85107263A (en) | 1987-04-15 |
| CN1004123B CN1004123B (en) | 1989-05-10 |
Family
ID=4795544
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN85107263.1A Expired CN1004123B (en) | 1985-09-29 | 1985-09-29 | Continuous centrifugal ore dresser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1004123B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101579656B (en) * | 2008-05-14 | 2012-05-23 | 鞍钢集团矿业公司 | Intelligent feeder of centrifugal separator and feeding method thereof |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ZA200302137B (en) * | 2002-08-21 | 2004-03-08 | Weir Envirotech Pty Ltd | Shielding a bearing and seal assembly from undesirable matter. |
-
1985
- 1985-09-29 CN CN85107263.1A patent/CN1004123B/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101579656B (en) * | 2008-05-14 | 2012-05-23 | 鞍钢集团矿业公司 | Intelligent feeder of centrifugal separator and feeding method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1004123B (en) | 1989-05-10 |
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| PB01 | Publication | ||
| C13 | Decision | ||
| GR02 | Examined patent application | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |