CN109621832A - A kind of the pilot scale mixing system and method for titanium dioxide suspension - Google Patents
A kind of the pilot scale mixing system and method for titanium dioxide suspension Download PDFInfo
- Publication number
- CN109621832A CN109621832A CN201910019028.2A CN201910019028A CN109621832A CN 109621832 A CN109621832 A CN 109621832A CN 201910019028 A CN201910019028 A CN 201910019028A CN 109621832 A CN109621832 A CN 109621832A
- Authority
- CN
- China
- Prior art keywords
- suspension
- titanium dioxide
- homogeneous
- tank
- homogenizer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 title claims abstract description 145
- 239000000725 suspension Substances 0.000 title claims abstract description 95
- 239000004408 titanium dioxide Substances 0.000 title claims abstract description 68
- 238000000034 method Methods 0.000 title claims abstract description 24
- 238000011020 pilot scale process Methods 0.000 title claims abstract description 23
- 238000002156 mixing Methods 0.000 title claims abstract description 21
- 238000004519 manufacturing process Methods 0.000 claims abstract description 31
- 239000000203 mixture Substances 0.000 claims abstract description 26
- 239000007788 liquid Substances 0.000 claims abstract description 25
- 239000002994 raw material Substances 0.000 claims abstract description 16
- 238000010790 dilution Methods 0.000 claims description 28
- 239000012895 dilution Substances 0.000 claims description 28
- 238000004062 sedimentation Methods 0.000 claims description 27
- 238000001914 filtration Methods 0.000 claims description 19
- 238000003860 storage Methods 0.000 claims description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 18
- 238000007689 inspection Methods 0.000 claims description 16
- 238000000265 homogenisation Methods 0.000 claims description 13
- JBKVHLHDHHXQEQ-UHFFFAOYSA-N epsilon-caprolactam Chemical compound O=C1CCCCCN1 JBKVHLHDHHXQEQ-UHFFFAOYSA-N 0.000 claims description 10
- 239000008187 granular material Substances 0.000 claims description 10
- 239000002245 particle Substances 0.000 claims description 10
- 239000013049 sediment Substances 0.000 claims description 10
- 238000009826 distribution Methods 0.000 claims description 8
- 238000005070 sampling Methods 0.000 claims description 8
- 239000000243 solution Substances 0.000 claims description 7
- 239000002699 waste material Substances 0.000 claims description 7
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 5
- 239000000843 powder Substances 0.000 claims description 5
- 238000012797 qualification Methods 0.000 claims description 5
- 238000012216 screening Methods 0.000 claims description 5
- GCLGEJMYGQKIIW-UHFFFAOYSA-H sodium hexametaphosphate Chemical compound [Na]OP1(=O)OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])O1 GCLGEJMYGQKIIW-UHFFFAOYSA-H 0.000 claims description 5
- 235000019982 sodium hexametaphosphate Nutrition 0.000 claims description 5
- 238000003756 stirring Methods 0.000 claims description 5
- 239000001577 tetrasodium phosphonato phosphate Substances 0.000 claims description 5
- 239000002893 slag Substances 0.000 claims description 4
- 229910052719 titanium Inorganic materials 0.000 claims description 4
- 239000010936 titanium Substances 0.000 claims description 4
- 238000011084 recovery Methods 0.000 claims 1
- 238000001514 detection method Methods 0.000 abstract description 18
- 238000012360 testing method Methods 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 4
- 239000004952 Polyamide Substances 0.000 abstract description 3
- 238000007380 fibre production Methods 0.000 abstract description 3
- 229920002647 polyamide Polymers 0.000 abstract description 3
- 238000004945 emulsification Methods 0.000 abstract description 2
- 230000010354 integration Effects 0.000 abstract description 2
- 239000003795 chemical substances by application Substances 0.000 description 4
- 235000013399 edible fruits Nutrition 0.000 description 2
- 235000011194 food seasoning agent Nutrition 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 241000790917 Dioxys <bee> Species 0.000 description 1
- 238000011021 bench scale process Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008033 biological extinction Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/70—Pre-treatment of the materials to be mixed
- B01F23/713—Sieving materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/80—After-treatment of the mixture
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/80—After-treatment of the mixture
- B01F23/808—Filtering the mixture
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/80—Forming a predetermined ratio of the substances to be mixed
- B01F35/88—Forming a predetermined ratio of the substances to be mixed by feeding the materials batchwise
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F2101/00—Mixing characterised by the nature of the mixed materials or by the application field
- B01F2101/23—Mixing of laboratory samples e.g. in preparation of analysing or testing properties of materials
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
Abstract
The invention discloses a kind of pilot scale mixing system of titanium dioxide suspension of polyamide fibre production technical field and methods, including sequentially connected shaking screen, pre- blend tank, homogenizer, subsider, thinning tank and holding vessel, the outlet of the holding vessel is connected to the entrance of filter, the outlet of the filter is connected to production pipeline, the present invention is by titanium dioxide raw material, directly debugged, dispersed by homogenizer, emulsification, broken and transportation integration carries out, homogenizer is only suitable for debugging on a small quantity, normal production is not available, and the centrifuge normally produced is unable to satisfy detection demand, this system can not lose the case where raw material, far more than the detection limit detected manually, effect be can detecte in this way with more generality and precision, and can batch connection allotment detection liquid, and liquid can be will test and be directly inputted to production pipe It is used in road, detection is avoided to be lost.
Description
Technical field
The present invention relates to polyamide fibre production technical fields, more particularly to a kind of pilot scale mixing system of titanium dioxide suspension
And method.
Background technique
It needs to carry out polymerization reaction in polyamide fibre production process, and delustering agent is needed to be handled when polymer production, delustring
Agent needs to use titanium dioxide, and good delustering agent is higher to the size distribution profile of titanium dioxide, often the partial size of titanium dioxide
It does not reach requirement extinction effect just not reaching requirement, and current technique is deployed manually before production, adjust manually
Too small with will appear inspected number, inspection result does not have versatility, needs that entire inspection process is repeated several times by testing staff,
It fritters away energy, and if expanding the inspected number of titanium dioxide raw material, when largely inspection, the debugging liquid after having inspected can not
It into production line, causes to waste, and needs to expend a large amount of energy, and manual sampling inspection will carry out of short duration stop every time
Machine could put into production the titanium dioxide of the batch after only having inspected, very inconvenient, it is now desired to a kind of pair of titanium dioxide
The bench-scale testing of titanium, is detected before the use, judges whether the inspection that can be used, and can continue as raw material
It tests.
Based on this, the present invention devises the pilot scale mixing system and method for a kind of titanium dioxide suspension, above-mentioned to solve
Problem.
Summary of the invention
The purpose of the present invention is to provide the pilot scale mixing system and method for a kind of titanium dioxide suspension, this system work
Skill is simple, strong operability, reduces detection loss, can continuously be deployed with small lot, and do not waste the detection liquid of debugging, directly
It can be used for producing.
The present invention is implemented as follows: a kind of pilot scale mixing system of titanium dioxide suspension, including sequentially connected vibration
Sieve, pre- blend tank, homogenizer, subsider, blend tank and holding vessel are swung, the outlet of the holding vessel and the entrance of filter connect
Logical, the outlet of the filter is connected to production pipeline.
Further, the water outlet of the filter is connected to production pipeline and holding vessel respectively by storing triple valve.
Further, the delivery outlet of the homogenizer is connected to pre- blend tank and subsider respectively by homogeneous triple valve.
A kind of pilot scale concocting method of titanium dioxide suspension, it is characterised in that: the concocting method needs to provide as weighed
Benefit require 1 described in mixing system, comprising the following steps:
Step 1, titanium dioxide raw material to be detected is filtered out by the particle less than 1cm by shaking screen, it is spare；
Step 2, by the titania powder after water, the caprolactam of liquid, sodium hexametaphosphate solution and screening according to
Mass fraction is 24.78:46.02:0.2:29 mixing, is then fed into pre- blend tank and is stirred 6-8 hours, is formulated as presetting mixed
Suspension is in case use；
Step 3, the presetting suspension in step 2 is subjected to homogeneous operation, homogenization pressure with homogenizer are as follows: 1.48-
2.08pa, homogenizing temperature are as follows: 10-15 DEG C, homogenization cycles are as follows: 5-7 times；Homogeneous suspension after homogeneous is pressed into sedimentation by homogenizer
Slot；
Step 4, the homogeneous suspension that will be pressed into subsider carries out settlement treatment, after continuing 24 hours, homogeneous suspension
Sedimentation suspension and sediment are formed, sedimentation suspension is then discharged into blend tank, sediment is acquired to collecting tank, then removes water
Recycling；
Step 5, blend tank will settle suspension stirring 0.5 hour, then the particle diameter distribution of inspection by sampling titanium dioxide, such as
Titanium dioxide granule accounting of the fruit diameter less than 0.75 μm is less than 50%；Then this batch titanium dioxide raw material inspection result is not conform to
Lattice are not available；If titanium dioxide granule accounting of the partial size less than 0.75 μm is more than or equal to 50%；Then enter step 6；
Step 6, after sampling, desalted water dilution is added in sedimentation suspension, so that sedimentation suspension is allocated as titanium dioxide dense
Degree is the dilution suspension of 12%-12.5%；
Step 7, dilution suspension is then discharged into the dilution suspension liquid pump that holding vessel is stand-by, filtering is completed in production
Enter normal production pipeline to be produced
Further, the homogeneous operation in step 3 are as follows: homogeneous triple valve is closed, by the water outlet of homogenizer and in advance
Blend tank connection, the homogeneous suspension for extruding homogenizer return to pre- blend tank, are stirred again and then by equal
Matter machine carries out homogeneous, homogenization pressure are as follows: 1.48pa-2.08pa, homogenizing temperature are as follows: 10 DEG C -15 DEG C, homogenization cycles are as follows: 5-7 times；
Next homogeneous triple valve is opened, is connected to homogenizer with subsider.
Further, the filtering in step 7 is completed are as follows: when the dilution suspension is without production, closes storage
Triple valve makes the dilution suspension by circulating pump, is pumped into filter filtering, and partial size is greater than 1 μm of titanium dioxide by filter
After titanium particle intercepts, holding vessel is returned to using storage circulation pipe；By the dilution suspension repeated filtration in holding vessel, when filtering
Between be greater than one hour.
The beneficial effects of the present invention are: the present invention is directly to be debugged titanium dioxide raw material, pass through homogenizer point
It dissipates, emulsification, the progress of broken and transportation integration, homogenizer is only suitable for debugging on a small quantity, and normal production is not available, and is normally produced
Centrifuge be unable to satisfy detection demand again, the case where this system can not lose raw material, far more than the detection limit detected manually,
Effect be can detecte in this way with more generality and precision, and can batch connection allotment detection liquid, and can will examine
Survey liquid, which is directly inputted in production pipeline, to be used, and detection is avoided to be lost.
Detailed description of the invention
The present invention is further illustrated in conjunction with the embodiments with reference to the accompanying drawings.
Fig. 1 is present system structural schematic diagram.
In attached drawing, parts list represented by the reference numerals are as follows:
1- shaking screen, the pre- blend tank of 2-, the pre- blend tank feed inlet of 21-, the presetting valve of 22-, 3- homogenizer, 31- homogeneous threeway
Valve, 4- subsider, 41- settle slag valve, 42- sedimentation liquid valve, 5- thinning tank, 51- deployment valve, 6- holding vessel, 61- circulating pump, 62-
Triple valve is stored, 63- stores circulation pipe, 7- filter, 8- production pipeline, 9- collecting tank.
Specific embodiment
Refering to Figure 1, the present invention provides a kind of technical solution: a kind of pilot scale allotment system of titanium dioxide suspension
System, including sequentially connected shaking screen 1, pre- blend tank 2, homogenizer 3, subsider 4, thinning tank 5 and holding vessel 6, the storage
The outlet of tank 6 is connected to the entrance of filter 7, and the outlet of the filter 7 is connected to production pipeline 8, is sequentially connected, system work
Skill is simple and clear, tests the detection liquid of detection, can also pass into production pipeline after the completion of detection, continue to produce, will not waste, and
And more uniform, raising detection accuracy can be deployed than the centrifuge in production technology by the testing result of homogenizer.
Wherein, the delivery outlet of homogenizer 3 is connected to pre- blend tank 2 and subsider 4 respectively by homogeneous triple valve 31, is made
Matter triple valve 31 can change the flow direction of the liquid in pipeline, and multiple homogeneous is facilitated to operate, and meet process requirements, and filter 7 goes out
The mouth of a river is connected to production pipeline 8 and holding vessel 6 respectively by storing triple valve 62, changes liquid in pipeline by storage triple valve 62
Body flow direction, is conveniently filtered and stores, and titanium dioxide is avoided to settle and block pipeline；
A kind of pilot scale concocting method of titanium dioxide suspension, the concocting method need to provide a kind of titanium dioxide suspension
The pilot scale mixing system of liquid, comprising the following steps:
Step 1, titanium dioxide raw material to be detected is filtered out by the particle less than 1cm by shaking screen 1, it is spare；
Step 2, by the titania powder after water, the caprolactam of liquid, sodium hexametaphosphate solution and screening according to
Mass fraction is 24.78:46.02:0.2:29 mixing, is then fed into pre- blend tank 2 and is stirred 6-8 hours, is formulated as presetting
Suspension is in case use；
Step 3, the presetting suspension in step 2 is subjected to homogeneous operation, homogenization pressure with homogenizer 3 are as follows: 1.48-
2.08pa, homogenizing temperature are as follows: 10-15 DEG C, homogenization cycles are as follows: 5-7 times；It is heavy that homogeneous suspension after homogeneous is pressed by homogenizer 3
Slot 4 drops；
Step 4, the homogeneous suspension that will be pressed into subsider 4 carries out settlement treatment, after continuing 24 hours, homogeneous suspension
Sedimentation suspension and sediment are formed, sedimentation suspension is then discharged into thinning tank 5, sediment is acquired to collecting tank 9, then gone
Water recycling；
Step 5, thinning tank 5 will settle suspension stirring 0.5 hour, then the particle diameter distribution of inspection by sampling titanium dioxide,
If titanium dioxide granule accounting of the partial size less than 0.75 μm is less than 50%；Then this batch titanium dioxide raw material inspection result is not
Qualification is not available；If titanium dioxide granule accounting of the partial size less than 0.75 μm is more than or equal to 50%；Then enter step 6；
Step 6, after sampling, desalted water dilution is added in sedimentation suspension, so that sedimentation suspension is allocated as titanium dioxide dense
Degree is the dilution suspension of 12%-12.5%；
Step 7, dilution suspension is then discharged into the dilution suspension that holding vessel 6 is stand-by, filtering is completed in production
It is pumped into normal production pipeline to be produced, this method is very convenient multiple batches of, the duration detection of small lot, than detecting manually
Amount is big, does not delay production, inspection data range is wider, inspection result can be made more accurate in this way, and will not waste debugging
Test fluid；
Wherein, in step 3 the homogeneous operation are as follows: close homogeneous triple valve 31, by the water outlet of homogenizer 3 with it is presetting
Distribution tank 2 is connected to, and the homogeneous suspension for extruding homogenizer 3 returns to pre- blend tank 2, is stirred again and then by equal
Matter machine 3 carries out homogeneous, homogenization pressure are as follows: 1.48pa-2.08pa, homogenizing temperature are as follows: 10 DEG C -15 DEG C, homogenization cycles are as follows: 5-7 times；
Next homogeneous triple valve 31 is opened, is connected to homogenizer 3 with subsider 4, multiple homogeneous operation mixes more uniform, step
The filtering in rapid 7 is completed are as follows: when the dilution suspension is without production, is closed storage triple valve 62, is made the dilution
Suspension is pumped into the filtering of filter 7 by circulating pump 61, after filter intercepts titanium dioxide granule of the partial size greater than 1 μm, then
Holding vessel 6 is returned to by storing circulation pipe 63；By the dilution suspension repeated filtration in holding vessel 6, it is small that filtration time is greater than one
When, the titanium dioxide granule for the demand that do not meet is filtered out, is avoided because detection liquid reduces the quality of product.
One concrete application of embodiment are as follows: the present invention needs following steps when in use:
Step 1, titanium dioxide raw material to be detected is filtered out by the particle less than 1cm by shaking screen 1, it is spare；
Step 2, by the titania powder after water, the caprolactam of liquid, sodium hexametaphosphate solution and screening according to
Mass fraction is 24.78:46.02:0.2:29 mixing, is then fed into pre- blend tank 2 and is stirred 6-8 hours, is formulated as presetting
Suspension is in case use；
Step 3, the presetting suspension in step 2 is subjected to homogeneous operation with homogenizer 3, after the completion of homogeneous operation, homogeneous
Homogeneous suspension after homogeneous is pressed into subsider 4 by machine 3；
Step 4, the homogeneous suspension that will be pressed into subsider 4 carries out settlement treatment, after continuing 24 hours, homogeneous suspension
Sedimentation suspension and sediment are formed, titanium dioxide concentration is detected as 22%-24% after sedimentation at this time, then will sedimentation
Suspension is discharged into thinning tank 5, with to be detected, is then added a small amount of water in subsider 4, open 4 bottom of subsider with collection
The valve of pipeline connection, makes sediment pour collecting tank 9 by the collection conduit of 4 bottom of subsider, and sediment is heated, such as
Fruit is qualified, recycles after dry, if underproof, may be used as other use, avoid wasting；
Step 5, thinning tank 5 will settle suspension stirring 0.5 hour, then the particle diameter distribution of inspection by sampling titanium dioxide,
If titanium dioxide granule accounting of the partial size less than 0.75 μm is less than 50%；Then this batch titanium dioxide raw material inspection result is not
Qualification is not available, and needs to use the titanium dioxide raw material of this batch as him；If titanium dioxide of the partial size less than 0.75 μm
Particle accounting is more than or equal to 50%；Then enter step 6；
Step 6, after sampling, desalted water dilution is added in sedimentation suspension, so that sedimentation suspension is allocated as titanium dioxide dense
Degree is diluted to the dilution suspension of 12%-12.5%；
Step 7, dilution suspension is then discharged into holding vessel 6 for use, simultaneously closes off storage 62 time of triple valve greater than one
Hour, make the dilution suspension by circulating pump 61, after being pumped into the filtering of filter 7, returns to storage using storage circulation pipe 63
Tank 6 is deposited, makes to dilute suspension iterative cycles, the particle by partial size greater than 1 μm intercepts, and then completes filtering in production dilute
It releases suspension and is pumped into normal production pipeline 8, make to have detected and qualified pilot scale seasoning liquid enters production process, iterative cycles,
It can effectively avoid being stored in tio_2 suspension stopping flowing spare in holding vessel 6 to settle, the dioxy of sedimentation
Pipeline, and iterative cycles can be blocked by changing titanium, and the dilution suspension of storage can be made to iterate through filter 7, be repeatedly filtered, can
More effectively to fall the titanium dioxide filter of bulky grain, the quality of titanium dioxide suspension is improved, test agent can also in guarantee
To be produced, greatly reduced because detection quality and caused by waste；
Homogeneous triple valve 31 and storage triple valve 62 in this system are all triple valves, facilitate the liquid flow changed in pipeline
To；
This system and method can increase detection limit and batch, and can continue to deploy, and continue to monitor, be really achieved
Monitor in real time material quality, thus reach control production product quality, from source reduce defect ware there are probabilities, and
The pilot scale seasoning liquid that debugging and monitoring are completed can continue to use, and will not waste, simple process takes up little area, at low cost, effect
It is good, and liquid flow direction in pipeline is changed by storage triple valve 62, it is conveniently filtered and stores, because titanium dioxide stops
Sedimentation and blocking pipeline occur for flowing, so needing the titanium dioxide in holding vessel 6 diluting suspension constant flow, keep two
Titanium oxide is in suspended state, when needing to produce, changes dilution suspension flow direction by storage triple valve 62 at any time, is given birth to
It produces.
Although specific embodiments of the present invention have been described above, those familiar with the art should be managed
Solution, we are merely exemplary described specific embodiment, rather than for the restriction to the scope of the present invention, it is familiar with this
The technical staff in field should be covered of the invention according to modification and variation equivalent made by spirit of the invention
In scope of the claimed protection.
Claims (10)
1. a kind of pilot scale mixing system of titanium dioxide suspension, it is characterised in that: including shaking screen (1) and pre- blend tank (2),
It further include pre- blend tank (2), homogenizer (3), subsider (4), thinning tank (5) and the holding vessel (6) for passing sequentially through valve connection,
The outlet of the holding vessel (6) is connected by circulating pump (61) and filter (7), and the outlet and production of the filter (7) are managed
Road (8) connection.
2. a kind of pilot scale mixing system of titanium dioxide suspension according to claim 1, it is characterised in that: the homogeneous
The delivery outlet of machine (3) is connected to pre- blend tank (2) and subsider (4) respectively by homogeneous triple valve (31).
3. a kind of pilot scale mixing system of titanium dioxide suspension according to claim 1, it is characterised in that: described presetting
Distribution tank (2), thinning tank (5) and holding vessel (6) are all blend tanks.
4. a kind of pilot scale mixing system of titanium dioxide suspension according to claim 1, it is characterised in that: the sedimentation
The bottom of slot (4) is connect by settling slag valve (41) with collecting tank (9).
5. a kind of pilot scale mixing system of titanium dioxide suspension according to claim 1, it is characterised in that: the filtering
Device (7) stores circulation pipe (63) by storage triple valve (62) respectively and is connected to production pipeline (8), the holding vessel (6) and storage
It deposits triple valve (62) and passes through storage circulation pipe (63) connection.
6. a kind of pilot scale concocting method of titanium dioxide suspension, it is characterised in that: the concocting method needs to provide such as right
It is required that mixing system described in 4, comprising the following steps:
Step 1, the titanium dioxide raw material powder to be measured of partial size qualification is selected by shaking screen (1), it is spare；
Step 2, presetting valve (22) are closed, by the titanium dioxide after water, the caprolactam of liquid, sodium hexametaphosphate solution and screening
Titanium powder matches according to a certain percentage is sent into pre- blend tank (2) by pre- blend tank feed inlet (21), then by pre- blend tank (2)
After interior mixture mixing time N, presetting suspension is formulated as in case using；
Step 3, the presetting valve of open and close (22), while adjusting homogeneous triple valve (31) direction, by homogenizer (3) outlet with it is presetting
Presetting suspension after stirring in step 2 is carried out homogeneous behaviour according to homogeneous operating parts with homogenizer (3) by distribution tank (2) connection
Make, the presetting suspension is homogeneous for homogeneous suspension；
Step 4, homogeneous triple valve (31) direction is adjusted, sedimentation slag valve (41) and sedimentation liquid valve (42) is simultaneously closed off, makes homogenizer
(3) outlet is connected to subsider (4), and the homogeneous suspension after the completion of homogeneous is pressed into subsider (4) by the homogenizer (3)；
Step 5, homogeneous suspension is carried out settlement treatment, after sedimentation time M, the homogeneous suspension shape by the subsider (4)
It at sedimentation suspension and sediment, is then turned on sedimentation liquid valve (42) and simultaneously closes off deployment valve (51), by subsider (4) and dilution
Tank (5) connection opens sedimentation slag valve (41), sediment is poured receipts with water after settling suspension and being all discharged into thinning tank (5)
Collect slot (9), then goes water to recycle sediment；
Step 6, will be after sedimentation suspension stirring T hours in thinning tank (5), whether the particle diameter distribution of inspection by sampling titanium dioxide
Qualification, if unqualified, which is not available, as waste recovery；If qualified, enter step
7；
Step 7, desalted water dilution is added in sedimentation suspension, makes to settle suspension and is allocated as meeting titanium dioxide and uses concentration
Dilute suspension；
Step 8, deployment valve (51) are opened, dilution suspension is discharged into holding vessel (6) for use, passes through circulating pump (61) in production
The dilution suspension that filtering is completed is pumped into filter (7), is produced subsequently into normal production pipeline (8).
7. a kind of pilot scale concocting method of titanium dioxide suspension according to claim 6, it is characterised in that: in step 3
Homogeneous operation are as follows: close homogeneous triple valve (31), the water outlet of homogenizer (3) be connected to pre- blend tank (2), make equal
The homogeneous suspension that matter machine (3) extrudes returns to pre- blend tank (2), be stirred again and then pass through homogenizer (3) into
Row homogeneous, homogenization pressure are as follows: 1.48pa-2.08pa, homogenizing temperature are as follows: 10 DEG C -15 DEG C, homogenization cycles are as follows: 5-7 times.
8. a kind of pilot scale concocting method of titanium dioxide suspension according to claim 6, it is characterised in that: in step 8
The filtering complete are as follows: adjustment storage triple valve (62) direction, make holding vessel (6) outlet successively with circulating pump (61), filtering
Device (7) stores triple valve (62) and is connected to storage circulation pipe (63), and the dilution in holding vessel (6) is suspended by the circulating pump (61)
Liquid pump enters filter (7) filtering, and after filter (7) intercepts titanium dioxide granule of the partial size greater than 1 μm, dilution suspension passes through again
It crosses storage triple valve (62) and storage circulation pipe (63) returns in holding vessel (6)；Repeatedly by the dilution suspension in holding vessel (6)
Filtering, filtration time are greater than one hour.
9. a kind of pilot scale concocting method of titanium dioxide suspension according to claim 6, it is characterised in that: the step
What the titania powder in 2 in presetting suspension after water, the caprolactam of liquid, sodium hexametaphosphate solution and screening mixed
Mass fraction ratio is 24.78 parts: 46.02 parts: 0.2 part: 29 parts, and mixing time N is 6-8 hours；Sedimentation time in step 4
M is 24 hours, and the mixing time T in step 6 is 0.5 hour.
10. a kind of pilot scale concocting method of titanium dioxide suspension according to claim 6, it is characterised in that: in step 3
Homogenization condition it is as follows: homogenization pressure are as follows: 1.48-2.08pa；Homogenizing temperature are as follows: 10-15 DEG C, homogenization cycles are as follows: 5-7
It is secondary；Titanium dioxide partial size criterion of acceptability in step 6 are as follows: if titanium dioxide granule accounting of the partial size less than 0.75 μm is less than
50%；Then this batch titanium dioxide raw material inspection result is unqualified；If titanium dioxide granule of the partial size less than 0.75 μm accounts for
Than being more than or equal to 50%, then this batch titanium dioxide raw material inspection result is qualification；Titanium dioxide in dilution suspension in step 7
Titanium uses concentration are as follows: 12%-12.5%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910019028.2A CN109621832B (en) | 2019-01-09 | 2019-01-09 | Pilot-scale blending method of titanium dioxide suspension |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910019028.2A CN109621832B (en) | 2019-01-09 | 2019-01-09 | Pilot-scale blending method of titanium dioxide suspension |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109621832A true CN109621832A (en) | 2019-04-16 |
| CN109621832B CN109621832B (en) | 2021-07-02 |
Family
ID=66061048
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910019028.2A Active CN109621832B (en) | 2019-01-09 | 2019-01-09 | Pilot-scale blending method of titanium dioxide suspension |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109621832B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19914089A1 (en) * | 1999-03-27 | 2000-09-28 | Guntram Krettek | Wet classifier in the form of a centrifuge has a grinding chamber for the coarse fraction of the sediment in the re-dispersed suspension |
| CN2885425Y (en) * | 2006-04-13 | 2007-04-04 | 上海联吉合纤有限公司 | Centrifuger for titanium dioxide preparation in polyester production |
| DE102006054727B3 (en) * | 2006-11-21 | 2008-06-05 | Kronos International, Inc. | Process for the improved agitation grinding of solid particles |
| CN101306837A (en) * | 2007-05-15 | 2008-11-19 | 上海平明精化工贸有限公司 | Mother material for preparing titanium dioxide water-soluble serous for delustring chemical fibre and preparation method |
| CN102352538A (en) * | 2011-07-22 | 2012-02-15 | 浙江华建尼龙有限公司 | Process and equipment for preparing chinlon delustering agent |
| CN104313722A (en) * | 2014-11-05 | 2015-01-28 | 湖南金帛化纤有限公司 | Method for centrifugally preparing titanium dioxide suspension |
| CN106015938A (en) * | 2016-07-20 | 2016-10-12 | 江苏海阳锦纶新材料有限公司 | Titanium dioxide suspension liquid preparing device and method |
| CN107790054A (en) * | 2017-11-30 | 2018-03-13 | 太仓北新建材有限公司 | A kind of automatic recipe maker |
-
2019
- 2019-01-09 CN CN201910019028.2A patent/CN109621832B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19914089A1 (en) * | 1999-03-27 | 2000-09-28 | Guntram Krettek | Wet classifier in the form of a centrifuge has a grinding chamber for the coarse fraction of the sediment in the re-dispersed suspension |
| CN2885425Y (en) * | 2006-04-13 | 2007-04-04 | 上海联吉合纤有限公司 | Centrifuger for titanium dioxide preparation in polyester production |
| DE102006054727B3 (en) * | 2006-11-21 | 2008-06-05 | Kronos International, Inc. | Process for the improved agitation grinding of solid particles |
| CN101306837A (en) * | 2007-05-15 | 2008-11-19 | 上海平明精化工贸有限公司 | Mother material for preparing titanium dioxide water-soluble serous for delustring chemical fibre and preparation method |
| CN102352538A (en) * | 2011-07-22 | 2012-02-15 | 浙江华建尼龙有限公司 | Process and equipment for preparing chinlon delustering agent |
| CN104313722A (en) * | 2014-11-05 | 2015-01-28 | 湖南金帛化纤有限公司 | Method for centrifugally preparing titanium dioxide suspension |
| CN106015938A (en) * | 2016-07-20 | 2016-10-12 | 江苏海阳锦纶新材料有限公司 | Titanium dioxide suspension liquid preparing device and method |
| CN107790054A (en) * | 2017-11-30 | 2018-03-13 | 太仓北新建材有限公司 | A kind of automatic recipe maker |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109621832B (en) | 2021-07-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE60310099T2 (en) | METHOD AND DEVICE FOR MIXING PROCESS MATERIALS | |
| US5145256A (en) | Apparatus for treating effluents | |
| CN110102081A (en) | Filtering and concentrating device and filtering and concentrating method for ternary precursor small particles | |
| US11691114B2 (en) | Method and mixing plant for the batch-based production of a flowable coating material | |
| US5561520A (en) | Measuring properties of a slurry | |
| CN106596309A (en) | Multiphase flow erosion-corrosion testing system | |
| DE2820254C3 (en) | Method and device for the automatic analysis of particle size | |
| CN109621832A (en) | A kind of the pilot scale mixing system and method for titanium dioxide suspension | |
| US5403497A (en) | New method for determining particle size and concentration in a fluid medium | |
| DE69425656T2 (en) | METHOD AND ARRANGEMENT FOR TAKING A SAMPLE | |
| TWI695982B (en) | Automatic analytical instrument for adding concentration value of coagulant and automatic analysis method thereof | |
| CN116773276A (en) | Online detection device for properties of coal water slurry and coal water slurry production line | |
| US4492674A (en) | Automated apparatus for solvent separation of a coal liquefaction product stream | |
| CN211706653U (en) | Production device of nano-particle suspension | |
| Mannwieler | The recovery of biological particles in high-speed continuous centrifuges with special reference to feed-zone break-up effects | |
| US6384109B1 (en) | Polymer make-down unit with flushing feature | |
| CN110961025A (en) | Production device and process of nanoparticle suspension | |
| CN114504949A (en) | Quick screening evaluation device for reverse osmosis membrane scale inhibitor | |
| CN207307637U (en) | A kind of production system of polyurethane auxiliary agent hybrid system and polyurethane auxiliary agent | |
| DE102021208161A1 (en) | contamination testing facility | |
| CN220829528U (en) | Emulsified asphalt stability detection device | |
| CN106015938B (en) | A kind of tio_2 suspension configuration device and configuration method | |
| CN208500465U (en) | A kind of Coal Slurry in Preparation Plant processing Automatic Dosing control device | |
| CN109323966A (en) | It is micronized micron granularity on-line measuring device and method | |
| CN106556525A (en) | Polymer slurries on-line period system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220329 Address after: 350200 Binhai Industrial Zone, Changle City, Fuzhou City, Fujian Province Patentee after: CHANGLE LIHENG POLYAMIDE TECHNOLOGY Co.,Ltd. Patentee after: CHANGLE HENGSHEN SYNTHETIC FIBER Co.,Ltd. Address before: 350218 Binhai Industrial Zone, Changle City, Fuzhou City, Fujian Province Patentee before: CHANGLE LIHENG POLYAMIDE TECHNOLOGY Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CP03 | Change of name, title or address |
Address after: 301 Houcuo, Zhangliu Village, Jiangtian Town, Changle District, Fuzhou City, Fujian Province, 350206 Patentee after: Fujian Liheng Nylon Industry Co.,Ltd. Country or region after: China Patentee after: Fujian Hengshen Synthetic Fiber Technology Co.,Ltd. Address before: 350200 Binhai Industrial Zone, Changle City, Fuzhou City, Fujian Province Patentee before: CHANGLE LIHENG POLYAMIDE TECHNOLOGY Co.,Ltd. Country or region before: China Patentee before: CHANGLE HENGSHEN SYNTHETIC FIBER Co.,Ltd. |
|
| CP03 | Change of name, title or address |