CN206188417U - System for handle way of chloride production titanium white powder thick liquids - Google Patents
System for handle way of chloride production titanium white powder thick liquids Download PDFInfo
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- CN206188417U CN206188417U CN201621063130.0U CN201621063130U CN206188417U CN 206188417 U CN206188417 U CN 206188417U CN 201621063130 U CN201621063130 U CN 201621063130U CN 206188417 U CN206188417 U CN 206188417U
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Abstract
The utility model discloses a system for handle way of chloride production titanium white powder thick liquids, include: filter -pressing washing device, it has titanium white powder thick liquids entry, filter cake outlet and filtrate (liquid, the subsider, it has filtrating entry, flocculating agent entry, supernatant outlet and the export of bottom thick liquids, the thick liquids buffer tank, the material entered the mouth and the buffer tank discharge gate after it had buffer tank feed inlet, first diolame, and the buffer tank feed inlet links to each other with the export of bottom thick liquids, the diolame jar has first diolame thick liquids entrys, second diolame thick liquids entry, tank outlet, and the entry and the buffering export of storage tank link to each other, and the entry of storage tank links to each other before the export of storage tank and the filter -pressing. Storage tank before the filter -pressing, the material entered the mouth and tank outlet after it had storage tank entry, second diolame, and the storage tank entry links to each other with the buffer tank discharge gate, and tank outlet links to each other with titanium white powder thick liquids entry. The rate of recovery that adopts this system not only to improve the titanium can realize the continuity to the controllable of titanium white powder product quality and assurance production in addition.
Description
Technical field
The utility model belongs to metallurgical technology field, and specifically, the utility model is related to a kind for the treatment of chloridising to produce
The system of Titanium dioxide slurry.
Background technology
CN 1066043 discloses a kind of process for preparing rutile type titanium white, and it includes：1) by high titanium slag with
Petroleum coke is put into chlorination furnace after uniformly mixing, and be passed through chlorine carries out fluidizing chlorination at a temperature of 800~900 DEG C；2) to chlorination
The rough titanium tetrachloride for obtaining afterwards carries out separating-purifying and removes the impurity such as magnesium, iron, silicon and vanadium, obtains refining titanic chloride；3) will
Obtained refining titanic chloride liquid is converted into gas phase, and be preheated to 450~800 DEG C in evaporator；4) by the chlorination of gas phase four
Titanium is supplied to oxidation furnace after mixing with a small amount of compound modifying agent gas phase alchlor, and oxygen is heated through plasma generator and entered
Oxidation furnace, at a temperature of 1300~1500 DEG C, carries out oxidation reaction generation solid phase titanium dioxide in less than 0.1 second；5) it is rapid
Titanium dioxide solids powder is removed into reaction zone and makes reaction heat removing rapidly, collect titanium dioxide and chlorine, and by chlorine
It is back to chlorination furnace；6) the titanium dioxide granule powder of collection is beaten into liquid, is sorted through two-stage, thin less than 1 micron
Grain titanium dioxide is post-processed again, the polished re-grading of the coarse granule for obtaining；7) using auxiliary agent at a temperature of 50~70 DEG C
Coating treatment is carried out to fine grained titanium dioxide under the conditions of pH=7~8；8) titanium dioxide slurries after coating is processed carry out two
Secondary filtration washing, charging is aqueous to be less than 45%, and discharging is aqueous to be less than 1%；9) to that will filter twice at a temperature of 120~160 DEG C
Ultramicro grinding is carried out after the filtration cakes torrefaction for obtaining afterwards, the titanium dioxide product that particle mean size accounts for 70% below 0.3 μm is obtained.
But the titanium dioxide slurries after processing coating carry out filtration washing process twice produce the turbidity of waste water compared with
Height, the cleaning of filter cloth is more frequent, so the subsider flocculation of operation deposited substantial amounts of titanium dioxide after washing, part is not wadded a quilt with cotton
Coagulate complete titanium dioxide and the raw water box of sewage mixing channel, accident groove and saliferous workshop section is entered with waste water, and then mix sewage
Groove, accident groove and raw water box also deposited substantial amounts of titanium dioxide, while to be carried out to intermediate products in production process of titanium pigment
Detection and analysis, the sample returned after sample presentation analysis detection is heaped, and the continuous operation of subsequent production is have impact on, while the slurry of this part
Material can not be recycled, and cause titanium recovery rate low.
Therefore, the technology of existing treatment Titanium dioxide slurry is further improved.
Utility model content
The utility model is intended at least solve to a certain extent one of technical problem in correlation technique.Therefore, this reality
It is to propose a kind of system for processing chloridising production Titanium dioxide slurry with a new purpose, is not only improved using the system
The rate of recovery of titanium, and can realize to titanium dioxide product quality controllable and ensure the continuity of production.
In one side of the present utility model, Titanium dioxide slurry is produced the utility model proposes a kind of chloridising that processes
System.According to embodiment of the present utility model, the system includes：
Pressure filtration washing device, the pressure filtration washing device has Titanium dioxide slurry entrance, filtered solid outlet and filtrate (liquid, and
It is suitable to carry out pressure filtration washing treatment to Titanium dioxide slurry, to obtain filter cake and filtrate；
Subsider, the subsider has filtrate inlet, flocculant entrance, supernatant outlet and bottom slurry outlet, institute
State filtrate inlet to be connected with the filtrate (liquid, and be suitable to carry out mixing sedimentation by the filtrate and flocculant, on obtaining
Clear liquid and bottom slurry；
Slurry surge tank, the slurry surge tank expects that entrance and surge tank go out after having surge tank charging aperture, the first coating
Material mouth, the surge tank charging aperture is connected with the bottom slurry outlet, the surge tank discharging opening and the Titanium dioxide slurry
Entrance is connected, and be suitable to by the bottom slurry with expect to be mixed after the first coating, to obtain mixed slurry, and described in general
Mixed slurry is back to the pressure filtration washing device and carries out the pressure filtration washing treatment；
Coating tank, the coating tank is with material after material entrance before material entrance, the second coating before the first coating and the second coating
Outlet, and be suitable to for material before material before the first coating and the second coating to carry out coating treatment, to expect after obtaining the second coating；And
Storage tank before press filtration, storage tank expects entrance and outlet, second coating after having the second coating before the press filtration
Material entrance is connected with material outlet after second coating afterwards, and the outlet is connected with the Titanium dioxide slurry entrance, and suitable
Expect after second coating is stored, and will expect to supply into the pressure filtration washing device after the coating.
Thus, the system of the treatment chloridising production Titanium dioxide slurry according to the utility model embodiment is by by chloridising
The filtrate that production Titanium dioxide slurry is carried out after pressure filtration washing supplies into subsider and carries out mixing settlement treatment with flocculant, and
The bottom slurry that will be obtained in subsider using slurries surge tank carries out detection and analysis process with coating operation back segment intermediate products
In the sampling returning charge that obtains mixed after supply pressure filtration washing treatment carried out into pressure filtration washing device, while by coating operation
Normal production supplied materials warp in sampling returning charge and coating front-end-of-line that leading portion intermediate products are obtained during being tested and analyzed
Pressure filtration washing device is back to after storage tank before press filtration is processed after coating treatment, can effectively reclaim do not flocculate in subsider
Complete titanium dioxide, salt worker is contained such that it is able to be prevented effectively from the complete titanium dioxide that do not flocculate into sewage mixing channel, accident groove
In the raw water box of section, and coating operation leading portion can be solved and taking of obtaining during back segment intermediate products are tested and analyzed
The problem of wastage of material caused by sample returning charge bulk deposition, and then not only increase the rate of recovery of titanium, and can realize it is right
The continuity that is controllable and ensureing production of titanium dioxide product quality.
In addition, the system of the treatment chloridising production Titanium dioxide slurry according to the utility model above-described embodiment can also have
There is following additional technical characteristic：
Optional, the system of the treatment chloridising production Titanium dioxide slurry is further included：First sampling material-returning device,
Expect that entrance is connected with the described first sampling material-returning device after first coating, and the first sampling material-returning device is arranged on
Titanium dioxide coating operation back segment.Thus, it is possible to significantly improve the rate of recovery of titanium.
Optional, the system of the treatment chloridising production Titanium dioxide slurry is further included：Second sampling material-returning device,
The second sampling material-returning device is connected with material entrance before second coating, and the second sampling material-returning device is arranged on titanium white
Powder coating operation leading portion.Thus, it is possible to further improve the rate of recovery of titanium.
Optional, the system of the treatment chloridising production Titanium dioxide slurry is further included：Equipment for drying is dodged, the sudden strain of a muscle is done
Device is connected with the filtered solid outlet, and is suitable to for the filter cake to carry out flash drying treatment, to obtain titanium dioxide coating
Particle.
Additional aspect of the present utility model and advantage will be set forth in part in the description, partly by from following description
In become obvious, or by it is of the present utility model practice recognize.
Brief description of the drawings
Of the present utility model above-mentioned and/or additional aspect and advantage will from description of the accompanying drawings below to embodiment is combined
Become substantially and be readily appreciated that, wherein：
Fig. 1 is that the system architecture for producing Titanium dioxide slurry according to the treatment chloridising of the utility model one embodiment is illustrated
Figure；
Fig. 2 is that the system architecture for producing Titanium dioxide slurry according to the treatment chloridising of the utility model further embodiment is shown
It is intended to；
Fig. 3 is that the system architecture of the treatment chloridising production Titanium dioxide slurry according to the utility model another embodiment is shown
It is intended to；
Fig. 4 is that the system architecture of the treatment chloridising production Titanium dioxide slurry according to the utility model another embodiment is shown
It is intended to；
Fig. 5 is the system implementation treatment using the treatment chloridising production Titanium dioxide slurry of the utility model one embodiment
Chloridising produces the method flow schematic diagram of Titanium dioxide slurry；
Fig. 6 is at the system implementation using the treatment chloridising production Titanium dioxide slurry of the utility model further embodiment
Reason chloridising produces the method flow schematic diagram of Titanium dioxide slurry.
Specific embodiment
Embodiment of the present utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein ad initio
Same or similar element or element with same or like function are represented to same or similar label eventually.Below by ginseng
The embodiment for examining Description of Drawings is exemplary, it is intended to for explaining the utility model, and it is not intended that to the utility model
Limitation.
In description of the present utility model, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", " on ", D score, "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outward ",
The orientation or position relationship of the instruction such as " clockwise ", " counterclockwise ", " axial direction ", " radial direction ", " circumference " are based on shown in the drawings
Orientation or position relationship, are for only for ease of description the utility model and simplify description, rather than the dress for indicating or implying meaning
Put or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to the utility model
Limitation.
Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that indicating or implying relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or
Implicitly include at least one this feature.In description of the present utility model, " multiple " is meant that at least two, such as two
It is individual, three etc., unless otherwise expressly limited specifically.
In the utility model, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. term should be interpreted broadly, for example, it may be fixedly connected, or be detachably connected, or integrally；Can be
Mechanically connect, or electrically connect；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, can be two
The connection of element internal or two interaction relationships of element, unless otherwise clearly restriction.For the common skill of this area
For art personnel, concrete meaning of the above-mentioned term in the utility model can be as the case may be understood.
In the utility model, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score
Can be the first and second feature directly contacts, or the first and second features are by intermediary mediate contact.And, first is special
Levy second feature " on ", " top " and " above " but fisrt feature directly over second feature or oblique upper, or only
Represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be with
Be fisrt feature immediately below second feature or obliquely downward, or be merely representative of fisrt feature level height less than second feature.
In one side of the present utility model, Titanium dioxide slurry is produced the utility model proposes a kind of chloridising that processes
System.It is to be understood that unless otherwise specified, " chloridising production Titanium dioxide slurry " herein refers to disclosed patent CN
Titanium dioxide slurries after processing coating in 1066043 carry out the filtrate obtained after filtration washing twice.
According to embodiment of the present utility model, with reference to Fig. 1-3, the system includes：Pressure filtration washing device 100, subsider
200th, slurry surge tank 300, coating tank 400 and storage tank 500 before press filtration.
According to embodiment of the present utility model, pressure filtration washing device 100 has Titanium dioxide slurry entrance 101, filtered solid outlet
102 and filtrate (liquid 103, and be suitable to carry out pressure filtration washing treatment to Titanium dioxide slurry, obtain filter cake and filtrate.Need explanation
It is that the concrete operations condition that those skilled in the art can be according to actual needs to pressure filtration washing is selected.
According to embodiment of the present utility model, subsider 200 has filtrate inlet 201, flocculant entrance 202, supernatant
Outlet 203 and bottom slurry outlet 204, filtrate inlet 201 is connected with filtrate (liquid 103, and is suitable to filtrate obtained above
Carry out mixing sedimentation with flocculant, such that it is able to obtain supernatant and bottom slurry.During being somebody's turn to do, contain in filtrate obtained above
Have titanium dioxide, in the presence of flocculant, most titanium dioxide flocculating setting to sedimentation trench bottom, and along with part not
The complete titanium dioxide that flocculates also is deposited to sedimentation trench bottom, obtains containing partial impurities (such as Na in supernatant2SO4, NaCl etc.
Impurity) supply to brine waste workshop section is processed, and contain flocculation in the bottom slurry for obtaining completely and do not flocculate complete
Two parts titanium dioxide.
According to one embodiment of the present utility model, the filtrate that filter press is produced is collected in filtrate tank, filtrate tank
Filtrate conveying when by distribution ring add flocculant after by static mixer mix, upon mixing addition aluminum sulfate it is molten
Liquid, enters subsider flocculating setting after addition.Flocculant and aluminum sulfate addition can be added by Frequency pump, and addition can be with
It is adjusted according to flow of filtrate, specifically, the addition of flocculant PAMA is 2.5~30L/m3, sulfuric acid
The addition of aluminium is 0.5-5L/m3, thereby may be ensured that final discharge filtrate reaches requirement.Flocculation can select aluminum sulfate, flocculation
Agent or the method such as aluminum sulfate and flocculant mixing are flocculated, and preferably flocculant and aluminum sulfate is used in mixed way, and wherein flocculant can
Think aluminum sulfate, aluminium chloride, polyaluminium sulfate, aluminium polychloride, PAMA, anion pp acid, it is cloudy from
At least one in sub- Sodium Polyacrylate and anion pp acid calcium.Inventor's discovery, other are substantially better than using the method
Significantly improve the flocculating setting effect of titanium dioxide.
It should be noted that the addition of flocculant, aluminum sulfate can be added using variable frequency pump, specifically can be by filtrate
Middle titanium white powder content adjusts addition, and those skilled in the art can according to actual needs to the concrete operations of mixing sedimentation
Condition is selected.
According to embodiment of the present utility model, slurry surge tank 300 is expected after having surge tank charging aperture 301, the first coating
Entrance 302 and surge tank discharging opening 303, surge tank charging aperture 301 are connected with bottom slurry outlet 204, surge tank discharging opening 303
Be connected with Titanium dioxide slurry entrance 101, and be suitable to by bottom slurry with expect to be mixed after the first coating, to obtain mixing slurry
Material, and gained mixed slurry is back to pressure filtration washing device carries out pressure filtration washing treatment.
According to one embodiment of the present utility model, material can be from the sampling in coating operation back segment after the first coating
Returning charge.It is to be understood that unless otherwise specified, " coating operation back segment " mentioned in this article can refer to disclosed patent CN
Use auxiliary agent in 1066043 carries out coating treatment under the conditions of pH=7~8 at a temperature of 50~70 DEG C to fine grained titanium dioxide
Material is the intermediate products obtained in any operation after being processed through coating after any operation after operation, i.e. the first coating, and coating
It is that the intermediate products to any operation after coating treatment in production process of titanium pigment are detected that returning charge is sampled in operation back segment
Sample after analysis.According to specific embodiment of the utility model, with reference to Fig. 2, supply to slurry buffering will be expected after the first coating
Carried out by sampling material-returning device 600 using first in tank, the sampling material-returning device of entrance 302 and first is expected after the first coating
600 are connected, and the first sampling material-returning device 600 is arranged on titanium dioxide coating operation back segment, will be in coating operation back segment
Supplied to slurry surge tank 300 through the first coating material entrance 302 after in sampling return collecting to the first sampling material-returning device 600
In.Inventor is had found, is produced by bottom slurry and coating operation the back segment centre that will be obtained in subsider using slurries surge tank
The sampling returning charge that product are obtained during being tested and analyzed is supplied into subsequent handling after being mixed, and can solve coating operation
The problem of wastage of material, enters caused by the sampling returning charge bulk deposition that back segment intermediate products are obtained during being tested and analyzed
And the rate of recovery of titanium is not only increased, and can realize to the controllable of titanium dioxide product quality and ensure the continuous of production
Property.
According to embodiment of the present utility model, coating tank 400 expects material before entrance 401, the second coating before having the first coating
Outlet 403 is expected after the coating of entrance 402 and second, and is suitable to for material before material before the first coating and the second coating to carry out coating treatment,
To expect after obtaining the second coating.It should be noted that those skilled in the art can according to actual needs to being used bag
The particular type and coating condition of film are selected.
According to one embodiment of the present utility model, before the first coating material can refer to come from it is normal in coating operation leading portion
Production supplied materials, material comes from the sampling returning charge in coating operation leading portion before the second coating.It is to be understood that such as without special theory
Bright, " normal production supplied materials in coating operation leading portion " mentioned in this article can refer to the use in disclosed patent CN 1066043
Auxiliary agent coating treatment process is carried out to fine grained titanium dioxide under the conditions of pH=7~8 at a temperature of 50~70 DEG C before operation slurry；
" coating operation leading portion " mentioned in this article can refer to use auxiliary agent in disclosed patent CN 1066043 in 50~70 DEG C of temperature
Any operation before coating treatment process is carried out under the conditions of lower pH=7~8 of degree to fine grained titanium dioxide, i.e. before the second coating
Expect the intermediate products to be obtained in any operation before coating treatment, and it is in titanium dioxide life that returning charge is sampled in coating operation leading portion
Sample after being tested and analyzed to the intermediate products of any operation of coating before processing during product.
According to specific embodiment of the utility model, with reference to Fig. 3, will expect that it is to pass through to supply into coating tank before the second coating
Carried out using the second sampling material-returning device 700, the second sampling material-returning device 700 is connected with material entrance before the second coating, and
Second sampling material-returning device 700 is arranged on titanium dioxide coating operation leading portion, sampling return collecting that will be in coating operation leading portion
Supplied into coating tank 400 through the second coating material entrance 402 after into the second sampling material-returning device 700.
According to embodiment of the present utility model, storage tank 500 expects entrance 501 and outlet after having the second coating before press filtration
502, entrance 501 is expected after second coating and expects that outlet 403 is connected after second coating, the outlet 502 and institute
State Titanium dioxide slurry entrance 101 to be connected, and expect after being suitable to storage second coating, and will expect supply to described after the coating
In pressure filtration washing device.Thus, by the way that coating operation leading portion intermediate products are tested and analyzed during the sampling that obtains return
Normal production supplied materials in material and coating front-end-of-line is back to pressure filtration washing through before follow-up press filtration after being processed through coating after storage tank
Device is processed, and can effectively reclaim do not flocculate in subsider complete titanium dioxide, not flocculated such that it is able to be prevented effectively from
Full titanium dioxide enters in sewage mixing channel, the raw water box of accident Cao Ji saliferous workshop section, and can solve coating operation leading portion
Intermediate products obtained during being tested and analyzed sampling returning charge bulk deposition caused by wastage of material problem, enter without
The rate of recovery of titanium is improve only, and can be realized to the controllable of titanium dioxide product quality and be ensured the continuity for producing, and
And need not make larger improvement to original system in the system of the treatment chloridising production Titanium dioxide slurry in the application.
The system of the treatment chloridising production Titanium dioxide slurry according to the utility model embodiment is produced by by chloridising
The filtrate that Titanium dioxide slurry is carried out after pressure filtration washing is supplied into subsider to carry out mixing settlement treatment with flocculant, and uses
The bottom slurry that slurries surge tank will be obtained in subsider is obtained during being tested and analyzed with coating operation back segment intermediate products
To sampling returning charge mixed after supply pressure filtration washing treatment carried out into pressure filtration washing device, while by coating operation leading portion
Normal production supplied materials in sampling returning charge and coating front-end-of-line that intermediate products are obtained during being tested and analyzed is through coating
Pressure filtration washing device is back to after treatment after storage tank before press filtration to be processed, can effectively reclaim do not flocculate in subsider completely
Titanium dioxide, such that it is able to be prevented effectively from the complete titanium dioxide into sewage mixing channel, accident Cao Ji saliferous workshop section that do not flocculate
In raw water box, and coating operation leading portion can be solved and the sampling that obtains during back segment intermediate products are tested and analyzed is returned
The problem of wastage of material caused by material bulk deposition, and then the rate of recovery of titanium is not only increased, and can realize to titanium white
The continuity that is controllable and ensureing production of powder product quality.
With reference to Fig. 4, the system of the treatment chloridising production Titanium dioxide slurry according to the utility model embodiment is further wrapped
Include：Dodge equipment for drying 800.
According to embodiment of the present utility model, dodge equipment for drying 800 and be connected with filtered solid outlet 102, and be suitable to pressure filtration washing
The filter cake for obtaining in device carries out flash drying treatment, such that it is able to obtain titanium dioxide coating particle.It should be noted that
Those skilled in the art can according to actual needs to dodge dry-cure concrete operations condition select.
Inventor has found that the Titanium dioxide slurry and sample for test that can be realized using the system in press filteration system filtrate are returned
The recovery of returning charge and the individual system returning charge of material is received, and the material batch mixing of acceptance or rejection can be solved by this system
Phenomenon, while realizing that coating material and non-coating material are effectively separated reprocessing, the controllability for also achieving product quality is same
When product quality can effectively be reviewed, while ensure that the continuous operation of production, while ensure that the quality of product, together
The rate of recovery of Shi Tigao titanium dioxides, while realizing the continuity of production.
Understand for convenience, titanium white is produced below with reference to Fig. 5-6 pairs for the treatment of chloridising using the utility model embodiment
The method that the system of slurry material implements treatment chloridising production Titanium dioxide slurry is described in detail.According to reality of the present utility model
Example is applied, the method includes：
S100：Titanium dioxide slurry is supplied carries out pressure filtration washing treatment into pressure filtration washing device
In the step, Titanium dioxide slurry is supplied carries out pressure filtration washing treatment into pressure filtration washing device, such that it is able to
To filter cake and filtrate.It should be noted that " chloridising production Titanium dioxide slurry " is same as above, and those skilled in the art can
Selected with the concrete operations condition according to actual needs to pressure filtration washing.
S200：Filtrate and flocculant are supplied into subsider to carry out mixing sedimentation
In the step, filtrate obtained above and flocculant are supplied into subsider to carry out mixing sedimentation, such that it is able to
Obtain supernatant and bottom slurry.During being somebody's turn to do, contain titanium dioxide in filtrate obtained above, in the presence of flocculant, greatly
Partial titanium dioxide flocculating setting is also deposited to sedimentation to sedimentation trench bottom along with the complete titanium dioxide that partly do not flocculate
Trench bottom, obtains containing partial impurities (such as Na in supernatant2SO4, the impurity such as NaCl) at supply to brine waste workshop section
Reason, and contain the complete and complete two parts titanium dioxide that do not flocculate that flocculates in the bottom slurry for obtaining.
According to one embodiment of the present utility model, the filtrate that filter press is produced is collected in filtrate tank, filtrate tank
Filtrate conveying when by distribution ring add flocculant after by static mixer mix, upon mixing addition aluminum sulfate it is molten
Liquid, enters subsider flocculating setting after addition.Flocculant and aluminum sulfate addition can be added by Frequency pump, and addition can be with
It is adjusted according to flow of filtrate, specifically, the addition of flocculant PAMA is 2.5~30L/m3, sulfuric acid
The addition of aluminium is 0.5-5L/m3, thereby may be ensured that final discharge filtrate reaches requirement.Flocculation can select aluminum sulfate, flocculation
Agent or the method such as aluminum sulfate and flocculant mixing are flocculated, and preferably flocculant and aluminum sulfate is used in mixed way, and wherein flocculant can
Think aluminum sulfate, aluminium chloride, polyaluminium sulfate, aluminium polychloride, PAMA, anion pp acid, it is cloudy from
At least one in sub- Sodium Polyacrylate and anion pp acid calcium.Inventor's discovery, other are substantially better than using the method
Significantly improve the flocculating setting effect of titanium dioxide.
It should be noted that the addition of flocculant, aluminum sulfate can be added using variable frequency pump, specifically can be by filtrate
Middle titanium white powder content adjusts addition, and those skilled in the art can according to actual needs to the concrete operations of mixing sedimentation
Condition is selected.
S300：Bottom slurry is mixed with after the first coating in material supply to slurry surge tank, and gained is mixed
Slurry is back to S100 and carries out pressure filtration washing treatment
In the step, supply to slurry buffering will be expected after bottom slurry and the first coating isolated in above-mentioned subsider
Mixed in tank, pressure filtering cleaning is carried out such that it is able to obtaining mixed slurry, and gained mixed slurry being back in S100 steps
Wash treatment.
According to one embodiment of the present utility model, material can be from the sampling in coating operation back segment after the first coating
Returning charge.It is to be understood that unless otherwise specified, " coating operation back segment " mentioned in this article can refer to disclosed patent CN
Use auxiliary agent in 1066043 carries out coating treatment under the conditions of pH=7~8 at a temperature of 50~70 DEG C to fine grained titanium dioxide
Material is the intermediate products obtained in any operation after being processed through coating after any operation after operation, i.e. the first coating, and coating
It is that the intermediate products to any operation after coating treatment in production process of titanium pigment are detected that returning charge is sampled in operation back segment
Sample after analysis.Inventor has found, by the bottom slurry and the coating operation that will be obtained in subsider using slurries surge tank
The sampling returning charge that back segment intermediate products are obtained during being tested and analyzed is supplied into pressure filtration washing operation after being mixed, can
It is former caused by the sampling returning charge bulk deposition obtained during coating operation back segment intermediate products are tested and analyzed to solve
Expect the problem for wasting, and then not only increase the rate of recovery of titanium, and can realize to the controllable of titanium dioxide product quality and
Ensure the continuity of production.
S400：To expect to carry out coating treatment in supply to coating tank before material before first coating and the second coating
In the step, material before material before the first coating and the second coating is carried out into coating treatment, after obtaining the second coating
Material.It should be noted that those skilled in the art can according to actual needs to the particular type of coating agent that is used and
Coating condition is selected.
According to one embodiment of the present utility model, before the first coating material can refer to come from it is normal in coating operation leading portion
Production supplied materials, material comes from the sampling returning charge in coating operation leading portion before the second coating.It is to be understood that such as without special theory
Bright, " normal production supplied materials in coating operation leading portion " mentioned in this article can refer to the use in disclosed patent CN 1066043
Auxiliary agent coating treatment process is carried out to fine grained titanium dioxide under the conditions of pH=7~8 at a temperature of 50~70 DEG C before operation slurry；
" coating operation leading portion " mentioned in this article can refer to use auxiliary agent in disclosed patent CN 1066043 in 50~70 DEG C of temperature
Any operation before coating treatment process is carried out under the conditions of lower pH=7~8 of degree to fine grained titanium dioxide, i.e. before the second coating
Expect the intermediate products to be obtained in any operation before coating treatment, and it is in titanium dioxide life that returning charge is sampled in coating operation leading portion
Sample after being tested and analyzed to the intermediate products of any operation of coating before processing during product.
S500：Supply will be expected after second coating to being stored in storage tank before press filtration, and be will be stored in before press filtration in storage tank
The second coating after expect supply to pressure filtration washing device
In the step, will expect to be stored in supply to storage tank before press filtration after above-mentioned the second resulting coating, and will deposit
Expect that being back to S100 steps carries out pressure filtration washing treatment after storing up the second coating in storage tank before press filtration.Thus, by by coating
Normal production in sampling returning charge and coating front-end-of-line that operation leading portion intermediate products are obtained during being tested and analyzed comes
Material is back to pressure filtration washing device after storage tank before follow-up press filtration and is processed after being processed through coating, can effectively reclaim subsider
In do not flocculate complete titanium dioxide, such that it is able to be prevented effectively from the complete titanium dioxide into sewage mixing channel, accident groove that do not flocculate
I.e. in the raw water box of saliferous workshop section, and can solve what is obtained during coating operation leading portion intermediate products are tested and analyzed
The problem of wastage of material caused by sampling returning charge bulk deposition, and then the rate of recovery of titanium is not only increased, and can realize
To the controllable of titanium dioxide product quality and the continuity of guarantee production, and the treatment chloridising production titanium dioxide in the application
Larger improvement need not be made in the system of slurry to original system.
The system for producing Titanium dioxide slurry using the treatment chloridising of the utility model embodiment is implemented treatment chloridising and is given birth to
The method for producing Titanium dioxide slurry is supplied to subsider by the way that chloridising to be produced the filtrate after Titanium dioxide slurry carries out pressure filtration washing
In mix settlement treatment with flocculant, and the bottom slurry that will be obtained in subsider using slurries surge tank and coating work
The sampling returning charge that sequence back segment intermediate products are obtained during being tested and analyzed is supplied into pressure filtration washing device after being mixed
Carry out pressure filtration washing treatment, at the same the sampling returning charge obtained during coating operation leading portion intermediate products are tested and analyzed and
Normal production supplied materials in coating front-end-of-line is back to pressure filtration washing device after storage tank before press filtration and carries out after being processed through coating
Treatment, can effectively reclaim do not flocculate in subsider complete titanium dioxide, such that it is able to be prevented effectively from the complete titanium white that do not flocculate
Powder enters in sewage mixing channel, the raw water box of accident Cao Ji saliferous workshop section, and can solve coating operation leading portion and back segment
Between product tested and analyzed during caused by the sampling returning charge bulk deposition that obtains wastage of material problem, and then not only
The rate of recovery of titanium is improve, and can realize to the controllable of titanium dioxide product quality and ensure the continuity of production.
With reference to Fig. 6, the system implementation for producing Titanium dioxide slurry using the treatment chloridising of the utility model embodiment is processed
The method of chloridising production Titanium dioxide slurry is further included：
S600：Filter cake is supplied to sudden strain of a muscle equipment for drying carries out flash drying treatment
In the step, the filter cake that S100 pressure filtration washing steps are obtained is supplied into sudden strain of a muscle equipment for drying to be carried out at flash drying
Reason, such that it is able to obtain titanium dioxide coating particle.It should be noted that those skilled in the art can be right according to actual needs
The concrete operations condition for dodging dry-cure is selected.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means to combine specific features, structure, material or spy that the embodiment or example are described
Point is contained at least one embodiment of the present utility model or example.In this manual, to the schematic table of above-mentioned term
State and be necessarily directed to identical embodiment or example.And, the specific features of description, structure, material or feature can be with
Combined in an appropriate manner in any one or more embodiments or example.Additionally, in the case of not conflicting, this area
Technical staff the feature of the different embodiments or example described in this specification and different embodiment or example can be entered
Row is combined and combined.
Although embodiment of the present utility model has been shown and described above, it is to be understood that above-described embodiment is
Exemplary, it is impossible to it is interpreted as to limitation of the present utility model, one of ordinary skill in the art is in scope of the present utility model
It is interior above-described embodiment to be changed, changed, replaced and modification.
Claims (4)
1. it is a kind of to process the system that chloridising produces Titanium dioxide slurry, it is characterised in that including：
Pressure filtration washing device, the pressure filtration washing device has Titanium dioxide slurry entrance, filtered solid outlet and filtrate (liquid, and is suitable to
Pressure filtration washing treatment is carried out to Titanium dioxide slurry, to obtain filter cake and filtrate；
Subsider, the subsider has filtrate inlet, flocculant entrance, supernatant outlet and bottom slurry outlet, the filter
Liquid entrance is connected with the filtrate (liquid, and is suitable to carry out mixing sedimentation by the filtrate and flocculant, to obtain supernatant
With bottom slurry；
Slurry surge tank, the slurry surge tank expects entrance and surge tank discharging opening after having surge tank charging aperture, the first coating,
The surge tank charging aperture is connected with the bottom slurry outlet, the surge tank discharging opening and the Titanium dioxide slurry entrance phase
Even, and be suitable to by the bottom slurry with expect to be mixed after the first coating, to obtain mixed slurry, and by the mixing slurry
Material is back to the pressure filtration washing device carries out the pressure filtration washing treatment；
Coating tank, the coating tank is exported with material after expecting entrance and the second coating before material entrance, the second coating before the first coating,
And be suitable to for material before material before the first coating and the second coating to carry out coating treatment, to expect after obtaining the second coating；And
Storage tank before press filtration, storage tank expects entrance and outlet after having the second coating before the press filtration, expects after second coating
Entrance is connected with material outlet after second coating, and the outlet is connected with the Titanium dioxide slurry entrance, and is suitable to deposit
Expect after storing up second coating, and will expect to supply into the pressure filtration washing device after the coating.
2. system according to claim 1, it is characterised in that further include：First sampling material-returning device, described first
Expect that entrance is connected with the described first sampling material-returning device after coating, and the first sampling material-returning device is arranged on titanium dioxide bag
Membrane process back segment.
3. system according to claim 1 and 2, it is characterised in that further include：Second sampling material-returning device, it is described
Second sampling material-returning device is connected with material entrance before second coating, and the second sampling material-returning device is arranged on titanium dioxide bag
Membrane process leading portion.
4. system according to claim 3, it is characterised in that further include：
Equipment for drying is dodged, the sudden strain of a muscle equipment for drying is connected with the filtered solid outlet, and is suitable to for the filter cake to carry out flash drying treatment,
To obtain titanium dioxide coating particle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621063130.0U CN206188417U (en) | 2016-09-19 | 2016-09-19 | System for handle way of chloride production titanium white powder thick liquids |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621063130.0U CN206188417U (en) | 2016-09-19 | 2016-09-19 | System for handle way of chloride production titanium white powder thick liquids |
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| Publication Number | Publication Date |
|---|---|
| CN206188417U true CN206188417U (en) | 2017-05-24 |
Family
ID=58728526
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621063130.0U Withdrawn - After Issue CN206188417U (en) | 2016-09-19 | 2016-09-19 | System for handle way of chloride production titanium white powder thick liquids |
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| Country | Link |
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| CN (1) | CN206188417U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106315671A (en) * | 2016-09-19 | 2017-01-11 | 云南冶金新立钛业有限公司 | System and method for producing titanium dioxide sizing by treatment chlorination process |
| CN113060760A (en) * | 2021-03-23 | 2021-07-02 | 东华工程科技股份有限公司 | Sulfuric acid method titanium dioxide calcining system and technological method thereof |
-
2016
- 2016-09-19 CN CN201621063130.0U patent/CN206188417U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106315671A (en) * | 2016-09-19 | 2017-01-11 | 云南冶金新立钛业有限公司 | System and method for producing titanium dioxide sizing by treatment chlorination process |
| CN106315671B (en) * | 2016-09-19 | 2018-02-23 | 云南冶金新立钛业有限公司 | The system and method for handling chloridising production Titanium dioxide slurry |
| CN113060760A (en) * | 2021-03-23 | 2021-07-02 | 东华工程科技股份有限公司 | Sulfuric acid method titanium dioxide calcining system and technological method thereof |
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