CN105316496B - A kind of method of band filter processing vanadium-containing material - Google Patents
A kind of method of band filter processing vanadium-containing material Download PDFInfo
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- CN105316496B CN105316496B CN201410336760.XA CN201410336760A CN105316496B CN 105316496 B CN105316496 B CN 105316496B CN 201410336760 A CN201410336760 A CN 201410336760A CN 105316496 B CN105316496 B CN 105316496B
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Abstract
The invention discloses a kind of method of band filter processing vanadium-containing material, this method includes vanadium-containing material carrying out cloth in the cloth area of band filter, vanadium-containing material is passed sequentially through first paragraph dewatering zone, second segment water replenishment, second segment dewatering zone, the 3rd section of water replenishment, the 3rd section of dewatering zone, the 4th section of water replenishment and is drained discharge zone；Wherein, the filtrate of cloth area, first paragraph dewatering zone, second segment water replenishment and second segment dewatering zone is entered the second filtrate tank, obtain filtrate containing vanadium；The 3rd section of water replenishment, the filtrate of the 3rd section of dewatering zone is set to enter the 3rd filtrate tank, and filtrate in the tank is transported into the second water replenishment as moisturizing；The 4th section of water replenishment is entered the 4th filtrate tank with the filtrate for draining discharge zone, and filtrate in the tank is transported to the 3rd water replenishment as moisturizing.This method has the advantages of cost is low, automation is high, continuity is good, production capacity is big and vanadium loss amount is few.
Description
Technical field
The present invention relates to a kind of method of band filter processing vanadium-containing material.
Background technology
At present, in terms of vanadium extraction, mainly by the way that vanadium iron concentrate is crushed, after abrasive material and screening, supplying is a certain amount of pure
Alkali carries out sodium roasting in roaster, and then the sodium salt roasting clinker after roasting is placed in leaching tanks, adds water logging to wash, then
By way of vacuum filtration, the vanadium into solution will be embathed, filters the extraction for out realizing vanadium.
But there is problems with the above method：1) slot type is leached in production layout, tile mode is taken, due at it
Reason area distribution is point type, therefore is difficult to multi-tier arrangement, leaches flow container and slot type leaching device is arranged apart, add occupation of land
Area；2) during operation, can only the groove of a groove one carry out, due to the bed of material in groove accumulation of thick, it is relatively long to embathe the time, constrains
The raising of production capacity；3) automatization level is low, and operation intensity is big, and certain potential safety hazard being present, (such as discharge operation needs worker
Come to personally, when upset leaching tanks shed filter cake, security incident easily occur)；4) power consumption is big, and cost is high.
The content of the invention
In order to overcome above mentioned problem, it is an object of the invention to provide a kind of side of band filter processing vanadium-containing material
Method, this method have the advantages of cost is low, automation is high, continuity is good, production capacity is big and vanadium loss amount is few.
To achieve these goals, the present invention provides a kind of method of band filter processing vanadium-containing material, wherein, the party
Method includes vanadium-containing material carrying out cloth in the cloth area of band filter, vanadium-containing material is passed sequentially through first paragraph and takes out
Do area, second segment water replenishment, second segment dewatering zone, the 3rd section of water replenishment, the 3rd section of dewatering zone, the 4th section of water replenishment and drain out
Expect area；Wherein, the filtrate of cloth area, first paragraph dewatering zone, second segment water replenishment and second segment dewatering zone is made to enter the second filtrate
Tank, obtain filtrate containing vanadium；The 3rd section of water replenishment, the filtrate of the 3rd section of dewatering zone is set to enter the 3rd filtrate tank, and will be filtered in the tank
Liquid is transported to the second water replenishment as moisturizing；The 4th section of water replenishment is set to enter the 4th filtrate tank with the filtrate for draining discharge zone, and
Filtrate in the tank is transported to the 3rd water replenishment as moisturizing.
The method according to the invention, handling vanadium-containing material by band filter has low cost, automation height, continuity
Well, the advantages of production capacity is big.In addition, the present invention is filled into using wash water (water) by band filter afterbody, and mended to band filter front portion is interspersed
Enter the mode of filtrate, adequately achieve filter liquor concentration accumulation, while the vanadium in filter cake embathes several times, more backward dip lotion concentration
It is lower, farthest reduce the loss amount of vanadium.
Other features and advantages of the present invention will be described in detail in subsequent specific embodiment part.
Brief description of the drawings
Accompanying drawing is for providing a further understanding of the present invention, and a part for constitution instruction, with following tool
Body embodiment is used to explain the present invention together, but is not construed as limiting the invention.In the accompanying drawings：
Fig. 1 is the schematic diagram that the present invention is handled vanadium-containing material using band filter.
Description of reference numerals
1：Band filter 2：Cloth area
3：First paragraph dewatering zone 4：Second segment water replenishment
5：Second segment dewatering zone 6：3rd section of water replenishment
7：3rd section of dewatering zone 8：4th section of water replenishment
9：Drain discharge zone 10：Strainer cleaning area
11：First filtrate tank 12：Second filtrate tank
13：3rd filtrate tank 14：4th filtrate tank
15、16、17：Pump
Embodiment
The embodiment of the present invention is described in detail below.It is it should be appreciated that described herein specific
Embodiment is merely to illustrate and explain the present invention, and is not intended to limit the invention.
The method of band filter processing vanadium-containing material provided by the invention is included vanadium-containing material in band filter
Cloth is carried out in cloth area, then makes that vanadium-containing material passes sequentially through first paragraph dewatering zone, second segment water replenishment, second segment are drained
Area, the 3rd section of water replenishment, the 3rd section of dewatering zone, the 4th section of water replenishment and drain discharge zone；Wherein, take out cloth area, first paragraph
The filtrate in dry area, second segment water replenishment and second segment dewatering zone enters the second filtrate tank, obtains filtrate containing vanadium；Make the 3rd section of moisturizing
Area, the filtrate of the 3rd section of dewatering zone enter the 3rd filtrate tank, and filtrate in the tank are transported into the second water replenishment as moisturizing；Make
4th section of water replenishment and the filtrate for draining discharge zone enter the 4th filtrate tank, and filtrate in the tank is transported into the 3rd water replenishment and made
For moisturizing.
The method according to the invention, it is the method continuously handled vanadium-containing material.It is initial in the method for the present invention
During progress, filtrate is not present in the 3rd filtrate tank and the 4th filtrate tank, now, the second segment water replenishment and the described 3rd
The moisturizing of section water replenishment can be water.That is, when the method by the present invention is handled vanadium-containing material, initial
In the stage, the moisturizing of second segment water replenishment and the 3rd section of water replenishment uses water, after this method stable operation, namely described
After the filtrate stored in 3rd filtrate tank and the 4th filtrate tank disclosure satisfy that the needs of moisturizing, second segment water replenishment and the described 3rd
The moisturizing of section water replenishment is respectively using the filtrate stored in the 3rd filtrate tank and the 4th filtrate tank.
In addition, by the filtrate stored in the 3rd filtrate tank and the 4th filtrate tank be added separately to second segment water replenishment and
There is no particular limitation for the method for the 3rd section of water replenishment, can use the conventional method in this area, such as can pass through pump
The filtrate stored in 3rd filtrate tank and the 4th filtrate tank is respectively delivered to the second segment water replenishment and the described 3rd
Sprayed or cut area's water filling in section water replenishment.
According to the present invention, for the ease of collecting filtrate containing vanadium, preferably this method also includes making to be stored in the second filtrate tank
Filtrate containing vanadium enter the first filtrate tank by connecting the connecting pipe of the first filtrate tank and the second filtrate tank.
According to the present invention, the vanadium-containing material is the clinker (hereinafter referred to as clinker) after vanadium iron concentrate sodium roasting through grinding
Slurry after mill mashing.The method of the vanadium iron concentrate sodium roasting is well known in the art.That is, by the way that vanadium iron concentrate is broken
After broken, abrasive material and screening, it is incorporated a certain amount of sodium salt (such as sodium carbonate) and sodium roasting is carried out in roaster, obtain clinker.
In the present invention, the vanadium-containing material is by the slurry after the ground mashing of clinker.The grinding mashing can lead to
Cross various methods known in the field to carry out, such as mashing can be ground by wet ball mill.After ground mashing
The solid-liquid weight ratio of slurry is 1：2-3, preferably 1：2-2.5.
In addition, the temperature of the slurry is preferably 75-85 DEG C, more preferably 80-85 DEG C.
The advantages of immersion has been permeated, is had by using the slurry in above range, and is advantageous to follow-up vanadium and embathes carry
Go out.
According to the present invention, to the method for the cloth, there is no particular limitation, can conventionally carry out.Such as
Using according to " duck-beak type " distributing device, cloth is carried out in a manner of slurry is uniformly laid on band filter.
, according to the invention it is preferred to the thickness of the cloth is 15-25mm, more preferably 15-22mm.By in above-mentioned thickness
In the range of carry out cloth, can make to embathe water and fully permeate, effect is embathed in raising.
According to the present invention, the speed of service of the band filter is 1-4m/min；Preferably 2-3m/min.By making
Within the above range, can make to embathe water and slurry has enough times of contact to the transporting velocity for stating band filter, improves
Embathe effect.
According to the present invention, the moisturizing of the 4th section of water replenishment is water.Preferably, the moisturizing speed of the 4th section of water replenishment
Spend for 5-7m3/h；It is highly preferred that the moisturizing speed of the 4th section of water replenishment is 6-7m3/h。
In the case of, according to the invention it is preferred to, this method also includes the filter for making the band filter by draining discharge zone
Band-pass filter band cleaning area, the filtrate of the strainer cleaning area enter the 4th filtrate tank.The moisturizing of the strainer cleaning area is water.
Preferably, the moisturizing speed of the strainer cleaning area is 5-7m3/h；It is highly preferred that the moisturizing speed of the strainer cleaning area is
5.5-6m3/h。
According to the present invention, in order to further provide for the leaching rate of vanadium in vanadium-containing material, preferably in each water replenishment, moisturizing is with containing
The traffic direction of vanadium material is opposite.Thus, embathed by using the method inversely intersected, to reduce the content of vanadium in tailings
With the vanadium concentration for improving final vanadium solution product.
In the case of, according to the invention it is preferred to, the speed that second filtrate tank collects filtrate is 11-15m3/ h, it is described
The speed that 3rd filtrate tank collects filtrate is 11-15m3/ h, the speed that the 4th filtrate tank collects filtrate is 11-15m3/h；More
In the case of preferable, the speed that second filtrate tank collects filtrate is 12-14m3/ h, the 3rd filtrate tank collect filtrate
Speed is 12-14m3/ h, the speed that the 4th filtrate tank collects filtrate is 12-14m3/h。
According to the present invention, the moisturizing of the second segment water replenishment, the 3rd section of water replenishment and the 4th section of water replenishment
Speed can change in wide scope, but in order to rationally utilize the filtrate in filtrate tank, preferably described second segment moisturizing
The moisturizing speed in area is 10-14m3/ h, the moisturizing speed of the 3rd section of water replenishment is 10-14m3/h；More preferably described second segment
The moisturizing speed of water replenishment is 11-13m3/ h, the moisturizing speed of the 3rd section of water replenishment is 11-13m3/h。
, according to the invention it is preferred to it is clear to be added to second segment water replenishment, the 3rd section of water replenishment, the 4th section of water replenishment and strainer
The temperature for washing the moisturizing in area is 85-95 DEG C, more preferably 90-95 DEG C.In the present invention, make by making to be added to second segment moisturizing
The temperature of the moisturizing in area, the 3rd section of water replenishment and the 4th section of water replenishment is 85-95 DEG C, and makes the temperature of the slurry be 75-85
DEG C, it can ensure that band filter integrally embathes environment more than 70 DEG C, viscosity increases the sodium metasilicate prevented at low temperature,
Influence filtrate filter out speed hidden danger (when temperature is low, sodium metasilicate viscosity increase, its formed colloid extensibility be deteriorated, with filter
When liquid passes through filter cloth, the increase of the obstruction that is subject to, so as to which influence filtrate filters out speed, cause wash water to add difficult, run dilute grade and show
As), so as to effectively improve efficiency, improve the leaching rate of water-soluble vanadium.
The present invention will be described in detail by way of examples below, but the present invention is not limited in following embodiments.
Slurry used in following examples is by the slurry after the ground mashing of clinker, the solid-liquid weight of the slurry
Than being adjusted by the water of addition.
In following examples,
1) assay method of full vanadium (TV) content is as follows：
0.5000g (m are accurately weighed on single beam balance1) sample adds a little distilled water in 500ml triangular flasks along edge,
After sample profit is dissipated, 20ml concentrated phosphoric acids and 8~10 drop dust technologies are added with sour cucurbit, is put on electric hot plate and heats, treat a bottle pilot scale
After sample dissolving completely, remove to be put in air extracting cabinet with triangular flask pincers and be cooled to room temperature, add dilution heat of sulfuric acid 80ml, add 2~3g
After solid ammonium persulfate, be placed on electric hot plate boil emit bulla after remove and be cooled to room temperature.Add 3 drop N- phenyl neighbour's aminobenzenes
Formic acid indicator shakes up；Iron ammonium sulfate standard liquid (concentration 0.04mol/L) is titrated, when stable bright green is presented in solution
When be terminal, remove buret, it is accurate to read titration volumes number.
TV%=C × V1×0.05094÷m1×10
Wherein, C represents the concentration of iron ammonium sulfate standard liquid, V1Represent the titration volumes number of iron ammonium sulfate standard liquid.
2) assay method of soluble vanadium content is as follows：
1.0000g (m are accurately weighed on single beam balance2) sample, into beaker, adds the steamings boiled of 80ml in 250ml
Distilled water.After stirring 2~3min with glass rod, filtered with fast grade filter paper in 500ml triangular flask, beaker and residue hot wash
3~4 times, volume about 100ml, the 20ml concentrated sulfuric acids are added, after cooling plus 20 weight % iron ammonium sulfates 5ml shake up, and are added dropwise 2.5%
Liquor potassic permanganate into stable aubergine, place 2-3min；20 weight % urea liquid 5ml is added, 1 weight % is added dropwise
Natrium nitrosum to red just disappears, and excessive 1~2 drop, adds the weight %N- phenylanthranilic acid indicator of 4 drop 0.2 to shake
It is even.Titrated with iron ammonium sulfate standard liquid (concentration 0.04mol/L), be eventually when stable bright green is presented in solution
Point, removes buret, accurate to read titration volumes number.
SV%=C × V2×0.05094÷m2×100
Wherein, C represents the concentration of iron ammonium sulfate standard liquid, V2Represent the titration volumes number of iron ammonium sulfate standard liquid.
3) assay method of filtrate content of vanadium is as follows：
The leachate filtered with pipette, extract 5.00ml fast grade filter papers adds the sulfuric acid of (1+4) in 500ml triangular flasks
80ml shakes up, and adds 3ml concentrated phosphoric acids；Add 20 weight % iron ammonium sulfates 5ml to shake up, 2.5 weight % liquor potassic permanganate is added dropwise
Into stable aubergine, 2-3min is placed；20 weight % urea liquid 5ml is added, 1 weight % natrium nitrosums are added dropwise to red
Just disappear, and excessive 1~2 drop, add the weight %N- phenylanthranilic acid indicator of 4 drop 0.2 to shake up.Use iron ammonium sulfate
It is terminal that standard liquid (concentration 0.04mol/L), which is titrated to solution in stable bright green,.Buret is removed, it is accurate to read titration body
Product.
The ÷ 5 of V (g/l)=C × V × 0.05094 × 1000
Wherein, C represents the concentration of iron ammonium sulfate standard liquid, and V represents the titration volumes number of iron ammonium sulfate standard liquid.
Embodiment 1
As shown in figure 1, by slurry, (solid-liquid weight ratio is 1：2, temperature is 80 DEG C) enter in the cloth area 2 of band filter 1
Row cloth, fabric thickness 15mm, the speed of service of filter 1 is that 2m/min makes slurry pass sequentially through first paragraph to drain as taped
Area 3, second segment water replenishment 4, second segment dewatering zone 5, the 3rd section of water replenishment 6, the 3rd section of dewatering zone 7, the 4th section of water replenishment 8 and
Discharge zone 9 is drained, the filter cake after being handled, is then cleaned the filter cloth of band filter 1 by strainer cleaning area 10；
Meanwhile in the running of band filter 1, collection cloth area 2, first paragraph dewatering zone 3, second segment water replenishment 4, second segment are taken out
The filtrate in dry area 5 is simultaneously stored in the second filtrate tank 12, collect the 3rd section of water replenishment 6, the 3rd section of dewatering zone 7 filtrate and be stored in
3rd filtrate tank 13, the 4th section of water replenishment 8 is collected, drains the filtrate of discharge zone 9 and filter cloth cleaning area 10 and is stored in the 4th filter
Flow container 14.Repeat the above steps, be carried out continuously the leaching of slurry.Wherein, the moisturizing of second segment water replenishment 4 is filtered to be stored in the 3rd
Filtrate in flow container 13 (uses water, the amount of stored filtrate meets to be added to the in the 3rd filtrate tank 13 in the starting stage
After the requirement of the amount of water needed for two sections of water replenishments 4, filtrate stored in the 3rd filtrate tank 13 is added), heated before filtrate addition
To 90 DEG C, with 11m3/ h carries out sprinkling addition；The moisturizing of 3rd section of water replenishment 6 is the filtrate being stored in the 4th filtrate tank 14
(water is used in the starting stage, the amount of stored filtrate meets to be added to needed for the 3rd section of water replenishment 6 in the 4th filtrate tank 14
After the requirement of the amount of moisturizing, filtrate stored in the 4th filtrate tank 14 is added), 90 DEG C are heated to before filtrate addition, with 11m3/
H carries out sprinkling addition；The moisturizing of the 4th section of water replenishment 8 is water, 90 DEG C is heated to before water addition, with 6m3/ h addition speed
Degree is sprayed；The moisturizing of the filter cloth cleaning area 10 is water, 90 DEG C is heated to before water addition, with 5m3/ h adding speed is entered
Row sprinkling.
After operation 3 hours, full content of vanadium and the soluble vanadium content in the filter cake after processing is measured, and it is right
The content of vanadium of filtrate in second, third and the 4th filtrate tank is measured, and its result is shown in Table 1 below.
Embodiment 2
As shown in figure 1, by slurry, (solid-liquid weight ratio is 1：2.5, temperature is 85 DEG C) in the cloth area 2 of band filter 1
Cloth is carried out, fabric thickness 22mm, the speed of service of filter 1 is that 2.5m/min makes slurry pass sequentially through first paragraph as taped
Dewatering zone 3, second segment water replenishment 4, second segment dewatering zone 5, the 3rd section of water replenishment 6, the 3rd section of dewatering zone 7, the 4th section of water replenishment 8
And discharge zone 9 is drained, the filter cake after being handled, then the filter cloth of band filter 1 is carried out by strainer cleaning area 10
Cleaning；Meanwhile in the running of band filter 1, collect cloth area 2, first paragraph dewatering zone 3, second segment water replenishment 4, the
The filtrate of two sections of dewatering zones 5 is simultaneously stored in the second filtrate tank 12, collect the 3rd section of water replenishment 6, the 3rd section of dewatering zone 7 filtrate simultaneously
The 3rd filtrate tank 13 is stored in, the 4th section of water replenishment 8 is collected, drains the filtrate of discharge zone 9 and filter cloth cleaning area 10 and be stored in
4th filtrate tank 14.Repeat the above steps, be carried out continuously the leaching of slurry.Wherein, the moisturizing of second segment water replenishment 4 is to be stored in
Filtrate in 3rd filtrate tank 13 (uses water, the amount of stored filtrate meets to add in the 3rd filtrate tank 13 in the starting stage
After being added to the requirement of the amount of water needed for second segment water replenishment 4, filtrate stored in the 3rd filtrate tank 13 is added), filtrate addition
Before be heated to 95 DEG C, with 13m3/ h carries out sprinkling addition；The moisturizing of 3rd section of water replenishment 6 is to be stored in the 4th filtrate tank 14
Filtrate (uses water, the amount of stored filtrate meets to be added to the 3rd section of water replenishment 6 in the 4th filtrate tank 14 in the starting stage
After the requirement of the amount of required moisturizing, filtrate stored in the 4th filtrate tank 14 is added), 95 DEG C are heated to before filtrate addition, with
13m3/ h carries out sprinkling addition；The moisturizing of the 4th section of water replenishment 8 is water, 95 DEG C is heated to before water addition, with 7m3/ h's adds
Acceleration carries out sprinkling addition；The moisturizing of the filter cloth cleaning area 10 is water, 95 DEG C is heated to before water addition, with 6m3/ h's adds
Acceleration is sprayed.
After operation 3 hours, full content of vanadium and the soluble vanadium content in the filter cake after processing is measured, and it is right
The content of vanadium of filtrate in second, third and the 4th filtrate tank is measured.Its result is shown in Table 1 below.
Embodiment 3
As shown in figure 1, by slurry, (solid-liquid weight ratio is 1：2.2, temperature is 82 DEG C) in the cloth area 2 of band filter 1
Cloth is carried out, fabric thickness 20mm, the speed of service of filter 1 is that 3m/min makes slurry pass sequentially through first paragraph to take out as taped
Dry area 3, second segment water replenishment 4, second segment dewatering zone 5, the 3rd section of water replenishment 6, the 3rd section of dewatering zone 7, the 4th section of water replenishment 8 with
And discharge zone 9 is drained, the filter cake after being handled, then the filter cloth of band filter 1 is carried out clearly by strainer cleaning area 10
Wash；Meanwhile in the running of band filter 1, collect cloth area 2, first paragraph dewatering zone 3, second segment water replenishment 4, second
The filtrate of section dewatering zone 5 is simultaneously stored in the second filtrate tank 12, collects the 3rd section of water replenishment 6, the filtrate of the 3rd section of dewatering zone 7 and storage
It is stored in the 3rd filtrate tank 13, collects the 4th section of water replenishment 8, drains the filtrate of discharge zone 9 and filter cloth cleaning area 10 and be stored in the
Four filtrate tanks 14.Repeat the above steps, be carried out continuously the leaching of slurry.Wherein, the moisturizing of second segment water replenishment 4 is is stored in the
Filtrate in three filtrate tanks 13 (uses water, the amount of stored filtrate meets addition in the 3rd filtrate tank 13 in the starting stage
To after the requirement of the amount of water needed for second segment water replenishment 4, filtrate stored in the 3rd filtrate tank 13 is added), before filtrate addition
92 DEG C are heated to, with 12m3/ h carries out sprinkling addition；The moisturizing of 3rd section of water replenishment 6 is the filter being stored in the 4th filtrate tank 14
Liquid (uses water, the amount of stored filtrate meets to be added to the 3rd section of institute of water replenishment 6 in the 4th filtrate tank 14 in the starting stage
After the requirement for needing the amount of moisturizing, filtrate stored in the 4th filtrate tank 14 is added), 92 DEG C are heated to before filtrate addition, with
12m3/ h is sprayed；The moisturizing of the 4th section of water replenishment 8 is water, 92 DEG C is heated to before water addition, with 6.5m3/ h addition
Area's water filling is sprayed or cut to speed；The moisturizing of the filter cloth cleaning area 10 is water, 92 DEG C is heated to before water addition, with 5.5m3/
H adding speed is sprayed.
After operation 3 hours, full content of vanadium and the soluble vanadium content in the filter cake after processing is measured, and it is right
The content of vanadium of filtrate in second, third and the 4th filtrate tank is measured.Its result is shown in Table 1 below.
Embodiment 4
Carried out according to the method for embodiment 3, the difference is that being added to second segment water replenishment, the 3rd section of water replenishment and the 4th
The temperature of the moisturizing of section water replenishment is 65 DEG C, as a result as shown in table 1.
Table 1
The preferred embodiment of the present invention described in detail above, still, the present invention are not limited in above-mentioned embodiment
Detail, in the range of the technology design of the present invention, a variety of simple variants can be carried out to technical scheme, this
A little simple variants belong to protection scope of the present invention.
It is further to note that each particular technique feature described in above-mentioned embodiment, in not lance
In the case of shield, can be combined by any suitable means, in order to avoid unnecessary repetition, the present invention to it is various can
The combination of energy no longer separately illustrates.
In addition, various embodiments of the present invention can be combined randomly, as long as it is without prejudice to originally
The thought of invention, it should equally be considered as content disclosed in this invention.
Claims (9)
- A kind of 1. method of band filter processing vanadium-containing material, it is characterised in that this method is included vanadium-containing material in belt Cloth is carried out in the cloth area of filter, vanadium-containing material is passed sequentially through first paragraph dewatering zone, second segment water replenishment, second Section dewatering zone, the 3rd section of water replenishment, the 3rd section of dewatering zone, the 4th section of water replenishment and drain discharge zone；Wherein, the filtrate of cloth area, first paragraph dewatering zone, second segment water replenishment and second segment dewatering zone is made to enter the second filtrate Tank, obtain filtrate containing vanadium；The 3rd section of water replenishment, the filtrate of the 3rd section of dewatering zone is set to enter the 3rd filtrate tank, and filtrate in the tank is transported into second Water replenishment is as moisturizing；The 4th section of water replenishment is entered the 4th filtrate tank with the filtrate for draining discharge zone, and filtrate in the tank is transported to the 3rd benefit Pool is as moisturizing；The temperature for being added to the moisturizing of second segment water replenishment, the 3rd section of water replenishment and the 4th section of water replenishment is 85-95 DEG C, the slurry The temperature of material is 75-85 DEG C；The moisturizing of the 4th section of water replenishment is water, and the moisturizing speed of the 4th section of water replenishment is 5-7m3/h。
- 2. according to the method for claim 1, wherein, the thickness of the cloth is 15-25mm.
- 3. according to the method for claim 1, wherein, the speed of service of the band filter is 1-4m/min.
- 4. according to the method described in any one in claim 1-3, wherein, the moisturizing of the 4th section of water replenishment is water, institute The moisturizing speed for stating the 4th section of water replenishment is 5-7m3/h。
- 5. according to the method described in any one in claim 1-3, wherein, this method also includes making by draining discharge zone The strainer of band filter enters the 4th filtrate tank by strainer cleaning area, the filtrate of the strainer cleaning area.
- 6. according to the method for claim 5, wherein, the moisturizing of the strainer cleaning area is water, the strainer cleaning area Moisturizing speed is 5-7m3/h。
- 7. according to the method described in any one in claim 1-3, wherein, the moisturizing speed of the second segment water replenishment is 10-14m3/ h, the moisturizing speed of the 3rd section of water replenishment is 10-14m3/h。
- 8. according to the method described in any one in claim 1-3, wherein, in each water replenishment, the fortune of moisturizing and vanadium-containing material Line direction is opposite.
- 9. according to the method described in any one in claim 1-3, wherein, the vanadium-containing material is vanadium iron concentrate sodium roasting The slurry after the ground mashing of clinker afterwards, the solid-liquid weight ratio of the slurry is 1：2-3.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410336760.XA CN105316496B (en) | 2014-07-16 | 2014-07-16 | A kind of method of band filter processing vanadium-containing material |
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| CN101898793A (en) * | 2010-07-28 | 2010-12-01 | 攀钢集团冶金工程技术有限公司 | Leaching method of vanadium-containing clinker |
| CN103436716A (en) * | 2013-08-30 | 2013-12-11 | 攀钢集团攀枝花钢铁研究院有限公司 | Method for extracting vanadium from vanadium-containing clinker aggregate |
| CN103614566A (en) * | 2013-12-13 | 2014-03-05 | 重庆大学 | Method for extracting vanadium and chromium from converter vanadium chromium slag |
| CN103710552A (en) * | 2013-12-26 | 2014-04-09 | 中信锦州金属股份有限公司 | Leaching technique and system for preparing vanadium solution by quenching vanadium slag roasting clinker |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101898793A (en) * | 2010-07-28 | 2010-12-01 | 攀钢集团冶金工程技术有限公司 | Leaching method of vanadium-containing clinker |
| CN103436716A (en) * | 2013-08-30 | 2013-12-11 | 攀钢集团攀枝花钢铁研究院有限公司 | Method for extracting vanadium from vanadium-containing clinker aggregate |
| CN103614566A (en) * | 2013-12-13 | 2014-03-05 | 重庆大学 | Method for extracting vanadium and chromium from converter vanadium chromium slag |
| CN103710552A (en) * | 2013-12-26 | 2014-04-09 | 中信锦州金属股份有限公司 | Leaching technique and system for preparing vanadium solution by quenching vanadium slag roasting clinker |
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