CN107758733A - A kind of continuous filtration wash unit of titanium white slurry and its application method - Google Patents
A kind of continuous filtration wash unit of titanium white slurry and its application method Download PDFInfo
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- CN107758733A CN107758733A CN201711014401.2A CN201711014401A CN107758733A CN 107758733 A CN107758733 A CN 107758733A CN 201711014401 A CN201711014401 A CN 201711014401A CN 107758733 A CN107758733 A CN 107758733A
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- pipeline
- titanium white
- white slurry
- washing water
- continuous filtration
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G23/00—Compounds of titanium
- C01G23/04—Oxides; Hydroxides
- C01G23/047—Titanium dioxide
- C01G23/0475—Purification
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
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- Inorganic Chemistry (AREA)
- Filtration Of Liquid (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
- Filtering Materials (AREA)
Abstract
The invention discloses a kind of continuous filtration wash unit of titanium white slurry, including a termination to be provided with the closed conduit of washing water inlet, and pipeline connects with vacuum plant, is provided with filter layer in inner-walls of duct, is axially arranged with stirring structure in pipeline;Termination provided with washing water inlet is additionally provided with charging aperture;The other end bottom of pipeline is provided with feed opening, and the bottom of pipeline, which is provided with, is sequentially provided with filtrate (liquid and multiple washing water outs.Present invention also offers the method for carrying out continuous filtration washing to titanium white slurry using said apparatus, comprise the following steps:A, vacuum plant is opened, makes to turn into vacuum environment in pipeline;B, stirring structure is started;C, charging aperture is opened, titanium white slurry is passed through into pipeline;D, washing water inlet is opened, washings are passed through into pipeline;E, under the stirring and promotion of stirring structure, washing qualified material discharges from feed opening, and filtrate and washings are respectively from filtrate (liquid and washing water out discharge.
Description
Technical field
The present invention relates to field of titanium dioxide production, the continuous filtration wash unit of especially a kind of titanium white slurry and its user
Method.
Background technology
Titanium white production industry in, the washing of titanium white slurry and the device for filtering generally use are leaf filter, sheet frame
Filter and diaphragm filter press.These three equipment are all clearance-type operation in production, it is impossible to are worked continuously, therefore washed
Time it is longer, and then the water consumption of equipment is all higher, and production efficiency is relatively low, disposal ability is weaker.
The content of the invention
The technical problems to be solved by the invention are:A kind of continuous filtration wash unit of titanium white slurry is provided, can realize into
Material-washing and filtering-discharge process is carried out continuously, and can be reduced water content consumption, be improved production capacity.
It is to solve above-mentioned technical problem the technical solution adopted in the present invention:A kind of continuous filtration washing dress of titanium white slurry
Put, including a termination is provided with the closed conduit of washing water inlet, pipeline is connected with vacuum plant, and filtering is provided with inner-walls of duct
Layer, it is axially arranged with stirring structure in pipeline;Termination provided with washing water inlet is additionally provided with charging aperture;The other end bottom of pipeline is set
There is feed opening, the bottom of pipeline, which is provided with, is sequentially provided with filtrate (liquid and multiple washing water outs.
It is further:The stirring structure is made up of helical axis and helical blade.
It is further:The helical axis is hollow pipeline structure, and helical axis connects with washing water inlet, and helical axis
Tube wall is provided with multiple apopores.
It is further:The blade surface of the helical blade is in 15 ° of inclination angles.
It is further:5~15mm is spaced between the edge and filter layer of the helical blade.
Present invention also offers titanium white slurry is continuously filtered using above-mentioned titanium white slurry continuous filtration wash unit
The method of washing, comprises the following steps:
A, vacuum plant is opened, makes to turn into vacuum environment in pipeline;
B, stirring structure is started;
C, charging aperture is opened, titanium white slurry is passed through into pipeline;
D, washing water inlet is opened, washings are passed through into pipeline;
E, under the stirring and promotion of stirring structure, washing qualified material discharges from feed opening, filtrate and washings difference
From filtrate (liquid and washing water out discharge.
The beneficial effects of the invention are as follows:The present invention is using the stirring structure in pipeline, by helical blade to constantly charging
Titanium white slurry continuously stirred, the soluble impurity in quick release titanium white slurry, energy under the vacuum environment in pipeline
Impurity is rapidly separated, reduces the consumption of washings;Helical blade is constantly defeated backward by titanium white slurry while being stirred
Discharging opening is delivered to, titanium white slurry can be discharged after washing and filtering by discharging opening, realize being carried out continuously for whole process, energy
Production capacity is greatly improved.
Brief description of the drawings
Fig. 1 is the schematic diagram of the continuous filtration wash unit of titanium white slurry;
In figure mark for:1- pipelines, 2- washing water inlets, 3- filter layers, 4- charging apertures, 5- feed openings, 6- filtrate (liquids,
7- washings water out, 8- helical axis, 9- helical blades.
Embodiment
For the ease of understanding the present invention, below in conjunction with the accompanying drawings and the present invention is further detailed embodiment.
As shown in figure 1, a kind of continuous filtration wash unit of titanium white slurry of the present invention, including a termination are provided with washing water inlet
2 closed conduit 1, pipeline 1 are connected with vacuum plant, and filter layer 3 is provided with the inwall of pipeline 1, and stirring knot is axially arranged with pipeline 1
Structure, the power of stirring structure are provided by motor;Termination provided with washing water inlet 2 is additionally provided with charging aperture 4;The other end of pipeline 1
Bottom is provided with feed opening 5, and the bottom of pipeline 1, which is provided with, is sequentially provided with filtrate (liquid 6 and multiple washing water outs 7.Filtered
During laundry operation, titanium white slurry is constantly fed from charging aperture 7, washings is constantly passed through from washing water inlet 2, in stirring structure
Under effect, titanium white slurry and washings mixing are washed, and the material after washing passes through the filtering of filter layer 3, and filtrate is from filtrate
The discharge of outlet 6, washings are discharged from washing water out 7, and the material after filtration washing is complete discharges at feed opening 5.
As shown in figure 1, stirring structure is made up of helical axis 8 and helical blade 9.In order to improve clean result, make washings
It can always be washed when titanium white slurry conveys in pipeline 1, be hollow pipeline structure, helical axis 8 and washing by helical axis 8
Water inlet 2 is connected, and the tube wall of helical axis 8 is provided with multiple apopores, then washings are passed through from washing water inlet 2, from spiral
The head of axle 8 is unanimously transported to the tail end of helical axis 8, and is constantly discharged from apopore, in the course of conveying of titanium white slurry
In also cleaned always, detersive efficiency can be greatly improved.
On the other hand, in order to ensure the material moisture to be discharged from feed opening 5 is relatively low, helical axis 8 end-position not
Apopore is set.
Because stirring structure not only acts as stirring action in the present invention, in order to realize the continuous action of filtration washing, also
Material need to be conveyed backward, therefore the blade surface of helical blade 9 is in 15 ° of inclination angles, helical blade 9 can be by material backward when rotating
Push.5~15mm is spaced between the edge and filter layer 3 of helical blade 9.
The invention also discloses titanium white slurry is continuously filtered using above-mentioned titanium white slurry continuous filtration wash unit
The method of washing, comprises the following steps:
A, vacuum plant is opened, makes to turn into vacuum environment in pipeline;
B, stirring structure is started;
C, charging aperture is opened, titanium white slurry is passed through into pipeline;
D, washing water inlet is opened, washings are passed through into pipeline;
E, under the stirring and promotion of stirring structure, titanium white slurry filters by filter layer, washs qualified material from blanking
Mouth discharging, filtrate and washings are respectively from filtrate (liquid and washing water out discharge.
Embodiment 1
The pipe diameter of the continuous filtration wash unit of titanium white slurry is set to 0.3m, and length is set to 10m, is added from charging aperture
TiO2Concentration is 200g/L titanium white slurry, control titanium white slurry into the flow of pipeline be 4m3/ h, the flow control of washings
For 12m3/ h, after washing and filtering carries out 4h, it is 50 μ s to measure end washing filtrate electrical conductivity, and filter cake solid content is 70%, per small
When TiO2Disposal ability is 0.8t.
Embodiment 2
The pipe diameter of the continuous filtration wash unit of titanium white slurry is set to 0.3m, and length is set to 10m, is added from charging aperture
TiO2Concentration is 200g/L titanium white slurry, control titanium white slurry into the flow of pipeline be 5m3/ h, the flow control of washings
For 12m3/ h, after washing and filtering carries out 4h, it is 80 μ s to measure end washing filtrate electrical conductivity, and filter cake solid content is 72%, per small
When TiO2Disposal ability is 1t.
Comparative example 1
Comparative example is filtered and washed using leaf filter.TiO2Slurry concentration is 200g/L, and leaf filter operation is all
Phase is 4h, TiO2Disposal ability is 5t, and disposal ability is 1.2t per hour, and washing filtrate electrical conductivity is 85 μ s, and gained filter cake is consolidated
Content is 71%.
The data result comparing result such as table 1 below of embodiment and comparative example:
The embodiment of table 1 and comparative example data comparison
As shown in Table 1, using embodiments of the invention 1 and embodiment 2 compared with using the comparative example 1 of leaf filter,
Disposal ability hourly is suitable with the disposal ability of leaf filter, the solid content and cleaning solution electrical conductivity all phases of gained filter cake
When, but the washing water consumption of titanium white slurry per ton can be greatly decreased.
Claims (6)
- A kind of 1. continuous filtration wash unit of titanium white slurry, it is characterised in that:The close of washing water inlet (2) is provided with including a termination Stopped pipe road (1), pipeline (1) are connected with vacuum plant, and filter layer (3) is provided with pipeline (1) inwall, is axially arranged with pipeline (1) Stirring structure;Termination provided with washing water inlet (2) is additionally provided with charging aperture (4);The other end bottom of pipeline (1) is provided with feed opening (5), the bottom of pipeline (1), which is provided with, is sequentially provided with filtrate (liquid (6) and multiple washing water outs (7).
- A kind of 2. continuous filtration wash unit of titanium white slurry as claimed in claim 1, it is characterised in that:The stirring structure by Helical axis (8) and helical blade (9) composition.
- A kind of 3. continuous filtration wash unit of titanium white slurry as claimed in claim 2, it is characterised in that:The helical axis (8) For hollow pipeline structure, helical axis (8) connects with washing water inlet (2), and the tube wall of helical axis (8) is provided with multiple water outlets Hole.
- A kind of 4. continuous filtration wash unit of titanium white slurry as claimed in claim 2 or claim 3, it is characterised in that:The helical-blade The blade surface of piece (9) is in 15 ° of inclination angles.
- A kind of 5. continuous filtration wash unit of titanium white slurry as claimed in claim 4, it is characterised in that:The helical blade (9) 5~15mm is spaced between edge and filter layer (3).
- 6. titanium white slurry is continuously filtered using a kind of continuous filtration wash unit of titanium white slurry as claimed in claim 3 The method of washing, it is characterised in that:Comprise the following steps:A, vacuum plant is opened, makes to turn into vacuum environment in pipeline;B, stirring structure is started;C, charging aperture is opened, titanium white slurry is passed through into pipeline;D, washing water inlet is opened, washings are passed through into pipeline;E, under the stirring and promotion of stirring structure, titanium white slurry filters by filter layer, and washing qualified material goes out from feed opening Material, filtrate and washings are respectively from filtrate (liquid and washing water out discharge.
Priority Applications (1)
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CN201711014401.2A CN107758733B (en) | 2017-10-26 | 2017-10-26 | Titanium dioxide slurry continuous filtering and washing device and using method thereof |
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CN201711014401.2A CN107758733B (en) | 2017-10-26 | 2017-10-26 | Titanium dioxide slurry continuous filtering and washing device and using method thereof |
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CN107758733A true CN107758733A (en) | 2018-03-06 |
CN107758733B CN107758733B (en) | 2020-02-04 |
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Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101402025A (en) * | 2008-10-17 | 2009-04-08 | 浙江大学 | Horizontal helix solid-liquid mixing apparatus |
CN101428186A (en) * | 2008-11-06 | 2009-05-13 | 吕江强 | Continuous filtering, washing and drying machine |
CN201324556Y (en) * | 2008-11-06 | 2009-10-14 | 吕江强 | Novel continuous filtering, washing and drying machine |
CN204638613U (en) * | 2015-03-09 | 2015-09-16 | 厦门市五翔盛环保科技有限公司 | A kind of waste plastics cleaning device |
CN205699706U (en) * | 2016-06-27 | 2016-11-23 | 冯亭 | A kind of stirred filter of ore in sand form |
CN206014736U (en) * | 2016-08-29 | 2017-03-15 | 江苏广和科发机电制造有限公司 | A kind of scrubber |
-
2017
- 2017-10-26 CN CN201711014401.2A patent/CN107758733B/en active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101402025A (en) * | 2008-10-17 | 2009-04-08 | 浙江大学 | Horizontal helix solid-liquid mixing apparatus |
CN101428186A (en) * | 2008-11-06 | 2009-05-13 | 吕江强 | Continuous filtering, washing and drying machine |
CN201324556Y (en) * | 2008-11-06 | 2009-10-14 | 吕江强 | Novel continuous filtering, washing and drying machine |
CN204638613U (en) * | 2015-03-09 | 2015-09-16 | 厦门市五翔盛环保科技有限公司 | A kind of waste plastics cleaning device |
CN205699706U (en) * | 2016-06-27 | 2016-11-23 | 冯亭 | A kind of stirred filter of ore in sand form |
CN206014736U (en) * | 2016-08-29 | 2017-03-15 | 江苏广和科发机电制造有限公司 | A kind of scrubber |
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Effective date of registration: 20230927 Address after: 617000 Taoyuan street, East District, Panzhihua, Sichuan Province, No. 90 Patentee after: PANGANG GROUP PANZHIHUA IRON & STEEL RESEARCH INSTITUTE Co.,Ltd. Patentee after: Chengdu advanced metal material industry technology Research Institute Co.,Ltd. Address before: 617000 Taoyuan street, East District, Panzhihua, Sichuan Province, No. 90 Patentee before: PANGANG GROUP PANZHIHUA IRON & STEEL RESEARCH INSTITUTE Co.,Ltd. |
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