CN86107101A - Particulate material equipment for separating liquid from solid and process system - Google Patents
Particulate material equipment for separating liquid from solid and process system Download PDFInfo
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- CN86107101A CN86107101A CN 86107101 CN86107101A CN86107101A CN 86107101 A CN86107101 A CN 86107101A CN 86107101 CN86107101 CN 86107101 CN 86107101 A CN86107101 A CN 86107101A CN 86107101 A CN86107101 A CN 86107101A
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Abstract
A kind of device of particulate material Separation of Solid and Liquid and process system mainly solve the problem of working continuously.This device is made up of vertical-flow sedimentation separation pond, central feeding tube and conveyance conduit.This unitary device is together in series, need not additionaling power, can form a kind of multistage continuous separation technology system that pipeline mixes---pressure reduction lifting---sedimentation separation characteristics that has.Be mainly used in the staining impurity in rinsing (i.e. washing) kaolin, titanium dioxide and other analog material slip, for example iron, manganese ion and organic matter etc. also can be used for separating other various water-solubility impurities.
Description
The invention belongs to a kind of fluid sedimentation principle of utilizing particulate material is carried out the device and the process system of Separation of Solid and Liquid, can be used for particularly being applicable to the rinsing process of kaolin, titanium dioxide in the dressing process of particulate material.
In the kaolin subtractive process, kaolin needs the molten staining impurity rinsings such as iron, titanium, manganese ion and organic matter that are dipped in liquid phase and become entrained between the kaoline par-tides are gone out, to improve its whiteness behind chemical bleaching.The simple and easy method of present domestic use carries out rinsing exactly in the square pond of the concrete that corrosion protective lining is arranged, its process be feed in raw material, add wash water, add the compression air mix, allow it clarify naturally, discharge supernatant (washings) again, so circulate for several times, till staining impurity is cleaned.
Utilize this rinse method,, in each cycle operation (single hop rinsing), all can not work continuously because operations such as the preparation of slip, mixing, clarification, draining are carried out in a square pond successively; Since the kaolin granularity very thin (less than 2 microns account for 75%), so sinking speed is slow, settling time is long, production efficiency is low; Because square pond bottom area is big, during sedimentation, kaolin can not finely compress at the bottom of the pond, and each washings also can not discharge very totally, and therefore, the dyeing water that kaolin is carried secretly is more, has increased the rinsing number of times; Because kaolin bleaching generally is to carry out in acid medium, each square pond is again parallel operation, and to making each rinsing bath all will advance the higher bleaching slip of acidity at the beginning, so each pond all requires corrosion protective lining, increased investment cost.
According to prior art data (1), (2), about the solid-liquid separating equipment of kaolin paste, external conventional concentrator, tubular type sedimentation basin and the filter (plate and frame filter press, garden tube vacuum filter and band filter) of still adopting.Concentrator has churned mechanically rake and motivation transfer motion part thereof, needs power consumption; Need consider anticorrosion for parts such as the rake of the higher some rinsing sections of acidity and power transmission shafts thereof; The thickening pond gradient is mild, adds that rake stirs, and the compression of underflow precipitation is not so good, to the rinsing hop count is increased.Though filter has filter cake moisture few, the advantage that the rinsing hop count can reduce, its complex structure, the cost height, and also for this particulate material, intensity filter is lower, needs the area of filtration bigger, and it is more to filter the board number, to making the equipment investment expense high.In addition, because big energy-consuming makes the operating cost height, operation also bothers.
The object of the present invention is to provide a kind of particulate material equipment for separating liquid from solid and process system, problem such as solve can not working continuously of existing in the prior art, equipment investment is many, waste time and energy.
This particulate material equipment for separating liquid from solid as shown in Figure 1, is made up of vertical-flow sedimentation separation pond I and central feeding tube II.Its relative position is distance h=0.1～0.3 meter that makes central feeding tube bottom surface and solid-liquid interface.
Vertical-flow sedimentation separation pond (I) as shown in Figure 1, is made up of downflow weir (1), overfall (2), sedimentation separation district (3), precipitation compressional zone (4) and end row mouthful (5).
The diameter in sedimentation separation pond (I) determines according to treating capacity.Sedimentation separation district (3) is the garden cylindrical shell, and it highly generally gets 1.5～3 meters.Precipitation compressional zone (4) is down cone, its apex angle
1=60～90 °.Drift angle is littler, and material compresses better, but whole height of devices then will increase, and the equipment investment expense also increases.Precipitate and separate pond (I) is a reinforced concrete structure.For the rinsing process of multistage series connection, can be according to the acidity of bleaching slip, the inwall of plurality of sections separate tank is provided with corrosion protective lining in front, take all factors into consideration from cost and operating position, with grommet epoxy resins glass cloth for well.
Central feeding tube (II) is made up of straight tube (1), awl tube (2), slip distribution awl (3) and connecting plate (4) as shown in Figure 2.Straight tube inner diameter d is by material flow decision in the tube, and material flow should be greater than 30 mm/second in the tube.The big end of awl tube inner diameter d
1With height h
1Be respectively 1.3～1.4 times of garden tube diameter d.Cloth awl outside diameter d
2Be the big end of awl tube inner diameter d
11.3～1.4 times, apex angle
2=140～150 °.Cloth awl bottom surface and the distance h of boring the tube bottom surface
2=0.2～0.4 meter.The central feeding tube is made with PVC-U or other rigid plastics, advantage be light, anticorrosion, cost is low.
Above-mentioned several units is together in series, just forms several sections continuous separation technology systems, as shown in Figure 3.This system's continuous feed, every section overflows staining impurity (being washings) continuously, arranges bottom precipitation continuously.The mixing of wash water and slip, conveying realize by pipeline, need not machinery or compressed air stir, thereby save power, the pipeline of slip from a last rinsing section to next rinsing section carried, then be by adjacent two sections certain discrepancy in elevation to be set to realize, do not need to raise and send with pump.Intersegmental discrepancy in elevation h=1 rice, intersegmental apart from l=7.5 rice, wash water pressure p 〉=0.7 kilograms per centimeter
2The Separation of Solid and Liquid of each section is to carry out in vertical-flow sedimentation separation pond.
In n section continuous separation technology system, its hop count n can draw by test, also can be calculated by following formula.
n=lg ((1+q
O)Xn)/(q
OX
O) /lg (q)/(Q+q) +1
The flow of every section washings of Q-in the formula, or do the ratio of amount of solid in the rinsing water yield and the rinsing charging, often claiming the wash water ratio, each section rinsing water yield equates, promptly all is Q.
q
0The liquid-solid ratio of the flow of liquid or charging slip in-the rinsing charging.
The fluid flow or the liquid-solid ratio of each rinsing section underflow of q-.
X
0The concentration of certain staining impurity, grams per liter or mg/litre in-the charging liquid phase.
Concentration, grams per liter or the mg/litre of desired certain staining impurity after the rinsing of Xn-n section.
The present invention compares with existing kaolin rinsing technology, has following advantage.
(1) whole rinsing process is for working continuously convenient operation and management, production efficiency height.
(2) whole rinsing process does not consume power, energy savings, and production cost is low.
(3) good effect of separating solid from liquid of vertical-flow more square flat pond, sedimentation separation pond and thickening pond.
(4) whole rinsing process for acid material, as square pond in parallel, does not require whole rinsing baths all to want corrosion protective lining for segmentation series connection rinsing successively, and as long as consider front some rinsing sections lining according to acidity.
Description of drawings:
Fig. 1, particulate material equipment for separating liquid from solid front view
I, vertical-flow sedimentation separation pond
1. downflow weir 2. overfalls
3. compressional zones are precipitated in sedimentation separation district 4.
5. mouth is arranged at the end
II, central feeding tube
Fig. 2: central feeding tube front view
1. straight tube 2. awl tubes
3, slip distributes and bores 4. connecting plates
Fig. 3: n section continuous separation technology system diagram
1,2 ... n-particulate material equipment for separating liquid from solid.
Particulate material Separation of Solid and Liquid process is described as follows by Fig. 1, Fig. 2:
Slip through mixing with slurry, utilize pipeline to be delivered to central feeding tube II, enter by straight tube (1), through awl tube (2) (expanding reach) the slip flow velocity is reduced, cloth awl (3) through the bottom is evenly distributed slip again, change simultaneously and flow to, to around spread out, thereby prevent the stirring of pulp flow to whole sedimentation separation pond, particularly to the impact of the precipitation compressional zone material below the solid-liquid interface, from the slip that comes out between awl tube (2) horn mouth and the cloth awl, according to sedimentation theory, solid particle is natural subsidence in sedimentation separation district (3), below solid-liquid interface, enter precipitation compressional zone (4), the material of compressed certain hour is to end row mouthful (5) discharge.At the washings of depositing separation area, then with certain upflow velocity overflow to downflow weir (1), discharge by overfall (2) at last.Ascending water speed must be controlled at and not make the overflow race muddy, otherwise the phenomenon that kaolin is taken out of with overflow will occur.
Preferred forms: suppose that disposal ability is 5000 tons/year, year working day is conditions such as 300 days, and this particulate material equipment for separating liquid from solid and process system main technical detail are as follows:
I, vertical-flow sedimentation separation pond
D＝6m， H＝1.5m， h＝0.1m， α
1＝80°
Spout hole (2) is φ 200mm, and end row mouthful (5) is φ 100mm,
Conveyance conduit φ 40mm.
II, central feeding tube
d＝400mm，d
1＝550mm，d
2＝750mm，
h
1＝550mm，h
2＝250mm，h＝1400mm，
α
2＝146°
III, related data:
Central feeding tube bottom surface and solid-liquid interface distance
h＝0.1m，
Hop count n=5, intersegmental discrepancy in elevation h=1 rice
Intersegmental distance: l=7.5 rice, wash water pressure p 〉=0.7 kilograms per centimeter
2
The prior art data:
1、G、DAUMAS，Le trastement des Kaelins darver，Industrie Minerale，v67，5，1985，p251～253。
2、Transact Inst Min Metall，Sect，A，Min，Induct，v95，Jun，1986，ppA22-23。
Claims (11)
1, particulate material equipment for separating liquid from solid has a separate tank, it is characterized in that separate tank is vertical-flow sedimentation separation pond (I), and this pond is provided with a central feeding tube (II).
2,, it is characterized in that vertical-flow sedimentation separation pond (I) is made up of downflow weir (1), overfall (2), sedimentation separation district (3), precipitation compressional zone (4) and end row's mouth (5) by the described equipment for separating liquid from solid of claim 1.
3,, it is characterized in that sedimentation separation district (3) is the garden tubular, its height H=1.5～3 meter by the described equipment for separating liquid from solid of claim 2.
4, by the described equipment for separating liquid from solid of claim 2, it is characterized in that precipitating compressional zone (4) and be down taper, its apex angle
1=60～90 °.
5, by the described equipment for separating liquid from solid of claim 2, it is characterized in that vertical-flow sedimentation separation pond is a reinforced concrete structure, its inwall as required, but also corrosion protective lining such as grommet epoxy resins glass cloth.
6,, it is characterized in that central feeding tube (II) is made up of distribute awl (3) and connecting plate (4) of straight tube (1), awl tube (2), slip by the described equipment for separating liquid from solid of claim 1.
7,, it is characterized in that awl tube (2) the height h of central feeding tube by the described equipment for separating liquid from solid of claim 6
1, hold inner diameter d greatly
1And the relational expression between straight tube (1) inner diameter d is d
1=h
1=1.3～1.4d, d determines according to material flow in the formula.
8,, it is characterized in that slip distribution awl (3) bottom surface outside diameter d of central feeding tube by the described equipment for separating liquid from solid of claim 6
2=1.3～1.4d
1, apex angle
2=140～150 °, h
2=0.2～0.4 meter.
9,, it is characterized in that all parts of central feeding tube are all made by rigid plastics by the described equipment for separating liquid from solid of claim 6.
10, a kind of multistage continuous separation technology system that particulate material is carried out Separation of Solid and Liquid, it is characterized in that being composed in series by above-mentioned many single hop separators, the mixing of wash water and slip, conveying are finished by pipeline, and intersegmental fluid promotes by pressure reduction, need not additionaling power.
11, by the described multistage continuous separation technology of claim 10 system, it is characterized in that intersegmental discrepancy in elevation h=1 rice, intersegmental apart from 1=7.5 rice (deciding), wash water pressure P 〉=0.7 kilograms per centimeter according to the separate tank diameter
2(greater than forming the slip static pressure) from ground to the pond end face discrepancy in elevation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 86107101 CN86107101A (en) | 1986-10-08 | 1986-10-08 | Particulate material equipment for separating liquid from solid and process system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 86107101 CN86107101A (en) | 1986-10-08 | 1986-10-08 | Particulate material equipment for separating liquid from solid and process system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN86107101A true CN86107101A (en) | 1987-09-02 |
Family
ID=4803467
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 86107101 Pending CN86107101A (en) | 1986-10-08 | 1986-10-08 | Particulate material equipment for separating liquid from solid and process system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN86107101A (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102078710A (en) * | 2010-12-09 | 2011-06-01 | 安徽理工大学 | Device for assisting precipitation and clarification of slime water with applied electric field |
| CN102580512A (en) * | 2011-04-21 | 2012-07-18 | 庄建中 | Liquid oxidation and solid concentration integration process |
| CN102580511A (en) * | 2011-04-21 | 2012-07-18 | 庄建中 | Liquid oxidation and solid concentration tower |
| CN102626563A (en) * | 2012-03-31 | 2012-08-08 | 郑州方兴机械电子有限公司 | Diamond fine powder product material automatic collecting and water-circulating device and use method thereof |
| CN102716602A (en) * | 2012-07-04 | 2012-10-10 | 青岛东岳罗地亚化工有限公司 | Sodium silicate sedimentation device |
| CN102772924A (en) * | 2012-07-17 | 2012-11-14 | 乐山新天源太阳能科技有限公司 | Solid-liquid separating device for cutting waste liquid |
| CN105013600A (en) * | 2015-07-03 | 2015-11-04 | 攀钢集团钛业有限责任公司 | Device used for continuously separating coarse grains before coating process of titanium dioxide |
| CN106765250A (en) * | 2016-08-28 | 2017-05-31 | 申清章 | Condenser system and waste gas cleaning system for purifying waste gas |
| CN107601633A (en) * | 2017-10-31 | 2018-01-19 | 昆山鸣水处理设备有限公司 | A kind of settling tank that can filter sedimentation type pollutant |
| CN110975350A (en) * | 2019-11-26 | 2020-04-10 | 四川会东大梁矿业有限公司 | Tailing thickener and tailing treatment system |
-
1986
- 1986-10-08 CN CN 86107101 patent/CN86107101A/en active Pending
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102078710A (en) * | 2010-12-09 | 2011-06-01 | 安徽理工大学 | Device for assisting precipitation and clarification of slime water with applied electric field |
| CN102580511B (en) * | 2011-04-21 | 2014-07-23 | 庄建中 | Liquid oxidation and solid concentration tower |
| CN102580512A (en) * | 2011-04-21 | 2012-07-18 | 庄建中 | Liquid oxidation and solid concentration integration process |
| CN102580511A (en) * | 2011-04-21 | 2012-07-18 | 庄建中 | Liquid oxidation and solid concentration tower |
| CN102580512B (en) * | 2011-04-21 | 2014-07-23 | 庄建中 | Liquid oxidation and solid concentration integration process |
| CN102626563A (en) * | 2012-03-31 | 2012-08-08 | 郑州方兴机械电子有限公司 | Diamond fine powder product material automatic collecting and water-circulating device and use method thereof |
| CN102626563B (en) * | 2012-03-31 | 2014-10-08 | 郑州方兴机械电子有限公司 | Diamond fine powder product material automatic collecting and water-circulating device and use method thereof |
| CN102716602A (en) * | 2012-07-04 | 2012-10-10 | 青岛东岳罗地亚化工有限公司 | Sodium silicate sedimentation device |
| CN102772924A (en) * | 2012-07-17 | 2012-11-14 | 乐山新天源太阳能科技有限公司 | Solid-liquid separating device for cutting waste liquid |
| CN105013600A (en) * | 2015-07-03 | 2015-11-04 | 攀钢集团钛业有限责任公司 | Device used for continuously separating coarse grains before coating process of titanium dioxide |
| CN106765250A (en) * | 2016-08-28 | 2017-05-31 | 申清章 | Condenser system and waste gas cleaning system for purifying waste gas |
| CN107601633A (en) * | 2017-10-31 | 2018-01-19 | 昆山鸣水处理设备有限公司 | A kind of settling tank that can filter sedimentation type pollutant |
| CN110975350A (en) * | 2019-11-26 | 2020-04-10 | 四川会东大梁矿业有限公司 | Tailing thickener and tailing treatment system |
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