CN103146227A - Submicron order coarse whiting size production method and combination equipment thereof - Google Patents
Submicron order coarse whiting size production method and combination equipment thereof Download PDFInfo
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- CN103146227A CN103146227A CN2012105618270A CN201210561827A CN103146227A CN 103146227 A CN103146227 A CN 103146227A CN 2012105618270 A CN2012105618270 A CN 2012105618270A CN 201210561827 A CN201210561827 A CN 201210561827A CN 103146227 A CN103146227 A CN 103146227A
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Abstract
The invention relates to a submicron order coarse whiting size agent production method and combination equipment of the submicron order coarse whiting size agent production method. The equipment comprises a grinding part and a classifying part, the grinding part comprises a 5600 liter vertical type wet method mill and a series combination of two 3600 liter vertical type wet method mills, the classifying part comprises a diaphragm pump and a sedimentation classifying pool, and the parts are connected through pipelines. The submicron order coarse whiting size production method comprises the following steps: 1 the particle size of size agent produced by first-level grinding is lower than 5 microns, and the particle size of 60% of the size agent is lower than 2 microns; 2 the particle size of size agent produced by second-level grinding is lower than 2 microns, and the particle size of 98% of submicron order coarse whiting size agent is lower than 2 microns; 3 the particle size of the submicron order coarse whiting size agent is between 1 micron and 0.1 micron, and the submicron order coarse whiting size agent flows into a finished product pool; and 4 classifying is conducted through a siphon method in the sedimentation classifying pool. The combination equipment is capable of producing and separating coarse whiting size agent between 100nm and 1.0 micron with multiple particle size levels.
Description
Technical field
The present invention relates to mineral and grind, be i.e. a kind of production method of submicron order calcium carbonate slurry and clustered aggregates thereof.
Background technology
Be used at present the particle diameter of particle of calcium carbonate slurry of paper making and cloth coating pigment between the 1-5 micron, usually form with the secondary wet grinding, scientific-technical progress along with the non-metallic mineral powder novel material, some special paper and Chemicals have proposed the requirement of submicron order calcium carbonate slurry, the particle diameter that namely requires the particle in calcium carbonate slurry from below 5 microns to more than submicron order (100nm), this manufacturer at general calcium carbonate slurry is difficult to produce.
Summary of the invention
In order to satisfy the market requirement of producing the submicron order calcium carbonate slurry, the present invention proposes a kind of new design of production unit of submicron order calcium carbonate slurry.
This submicron order calcium carbonate slurry production combination equipment, comprise means of abrasion and classification part, it is characterized in that, means of abrasion is the series combination of 5600 liters of vertical wet-process grinding machines and two 3600 liters of vertical wet-process grinding machines, and equipment is followed successively by mixing vessels, first-level buffer bucket, 5600 liters of vertical wet-process grinding machines of one-level, one-level vibratory screening apparatus; Level 2 buffering bucket, 3600 liters of vertical wet-process grinding machines of secondary, secondary vibration sieve; Three grades of buffer barrel, three grades of 3600 liters of vertical wet-process grinding machines, end product pool; Classification partly comprises surge pump and classification of sedimentation pond, connects with pipeline between above-mentioned each equipment.
High 1.5～the 2.5m in classification of sedimentation pond, diameter 1～1.5m is drum-shaped, and the pond inwall applies with glass reinforced plastic, is equipped with whipping appts in the pond, and Chi Kou has siphon pipe.
This submicron order calcium carbonate slurry production method is as follows:
One, according to the solid content requirement of product, the former powder of calcium carbonate is deployed into slurry in mixing vessels after, pump pumps into first-level buffer bucket stirring 20-40 minute, pump into 5600 liters of vertical wet-process shredders by pump again, by the frequency modulation control mill speed, add grinding aid, control grinding temperature, the particle diameter that makes the slurry that this grinding machine produces through the one-level vibratory screening apparatus is below 5 microns, wherein reaches 60% below 2 microns;
Two, flow into the level 2 buffering bucket, pump into 3600 liters of vertical wet-process shredders of secondary with pump and carry out regrind, through the secondary vibration sieve, adopt same method to grind regulation and control, produce particle diameter below 2 microns, wherein reach 98% heavy calcium carbonate slurry below 2 microns;
Three, flow into three grades of buffer barrel, pump into three grades of 3600 liters of vertical wet-process shredders with pump and grind for the third time, adopt same method to grind regulation and control, produce particle diameter and be the heavy calcium carbonate slurry more than 100nm and flow into end product pool at 0.1 micron;
four, be the Concentration Modulation of slurry 300～600 grams per liters in end product pool, pump in the precipitation fractionation pond with surge pump, liquid level 10～20cm to the Chi Kou, ten thousand/extremely millesimal dispersion agents that add solid materials weight in slurry, stirred 0.5～1 hour, then standing sedimentation, make the slurry face stable, after arriving the settling time of setting, with siphon pipe, the upper strata slurry is emitted, emit height 20～30cm, then add clear water initial liquid level to the siphon in the precipitation fractionation pond, and add for the first time 5%～10% of the dispersion agent weight of throwing in, again with last time the same stirring, sedimentation, siphon, so operation is 8～10 times, can obtain particle diameter less than the slurry of 40 microns, after this still add clear water and dispersion agent in the classification of sedimentation pond, stirring, sedimentation, siphon, but will shorten time of sedimentation according to the settling time operation of new settings 8～10 times, can obtain again slightly thick any slurry of particle diameter 40-70 micron, at last remaining is the slurry of 70-100 micron for particle diameter, and so far classification is complete, and the slurry that classification is good removes a part of water, is modulated into the concentration that the user needs, and can dispatch from the factory.
Can produce, isolate the calcium carbonate slurry of a plurality of particle diameter grades of 100nm-1.0 micron with production unit of the present invention.
Description of drawings
Fig. 1 is that present device is arranged schematic diagram.
In figure: 1, mixing vessels, 2, the first-level buffer bucket, 3,5600 liters of vertical wet-process grinding machines of one-level, 4, one-level vibratory screening apparatus, 5, the level 2 buffering bucket, 6,3600 liters of vertical wet-process grinding machines of secondary, 7, secondary vibration sieve, 8, three grades of buffer barrel, 9, three grades of 3600 liters of vertical wet-process grinding machines, 10, end product pool, 11, surge pump, 12, classification of sedimentation pond, 13, pipeline, 14, siphon pipe.
Embodiment
In Fig. 1, the production unit of this submicron order calcium carbonate slurry, comprise means of abrasion and classification part, means of abrasion is the series combination of 5600 liters of vertical wet-process grinding machines and two 3600 liters of vertical wet-process grinding machines, and equipment is followed successively by mixing vessels 1, first-level buffer bucket 2,5600 liters of vertical wet-process grinding machines 3 of one-level, one-level vibratory screening apparatus 4; Level 2 buffering bucket 5,3600 liters of vertical wet-process grinding machines 6 of secondary, secondary vibration sieve 7; Three grades of buffer barrel 8, three grades of 3600 liters of vertical wet-process grinding machines 9, end product pool 10; Classification partly comprises surge pump 11 and classification of sedimentation pond 12, connects with pipeline 13 between above-mentioned each equipment.
The high 2m in classification of sedimentation pond 12, diameter 1.2m is drum-shaped, and the pond inwall applies with glass reinforced plastic, is equipped with whipping appts in the pond, and Chi Kou has siphon pipe 14.
The production method of this submicron order calcium carbonate slurry is as follows:
One, according to the solid content requirement of product, the former powder of calcium carbonate is deployed into slurry in mixing vessels 1 after, pump pumps into first-level buffer bucket 2 stirring 30 minutes, pump into 5600 liters of vertical wet-process shredders 3 by pump again, by the frequency modulation control mill speed, add grinding aid, control grinding temperature, the particle diameter that makes the slurry that this grinding machine produces through one-level vibratory screening apparatus 4 is below 5 microns, wherein reaches 60% below 2 microns;
Two, flow into level 2 buffering bucket 5, pump into 3600 liters of vertical wet-process shredders of secondary 6 with pump and carry out regrind, through secondary vibration sieve 7, adopt same method to grind regulation and control, produce particle diameter below 2 microns, wherein reach 98% heavy calcium carbonate slurry below 2 microns;
Three, flow into three grades of buffer barrel 8, pump into three grades of 3600 liters of vertical wet-process shredders 9 with pump and grind for the third time, adopt same method to grind regulation and control, produce particle diameter and be the heavy calcium carbonate slurry more than 100nm and flow into end product pool 10 at 0.1 micron;
four, be the Concentration Modulation of slurry 500 grams per liters in end product pool 10, pump in precipitation fractionation pond 12 with surge pump 11, liquid level 15cm to the Chi Kou, 5/10000ths the dispersion agent that adds solid materials weight in slurry, stirred 0.5 hour, then standing sedimentation, make the slurry face stable, after arriving 1 hour settling time setting, with siphon pipe, the upper strata slurry is emitted, emit height 25cm, then add clear water initial liquid level to the siphon in the precipitation fractionation pond, and add for the first time 8% of the dispersion agent weight of throwing in, again with last time the same stirring, sedimentation, siphon, so operation is 8 times, can obtain particle diameter less than the slurry of 40 microns, after this still add clear water and dispersion agent in the classification of sedimentation pond, stirring, sedimentation, siphon, but will shorten time of sedimentation are 0.5 hour, according to the settling time operation of new settings 8 times, can obtain again slightly thick any slurry of particle diameter 40-70 micron, at last remaining is the slurry of 70-100 micron for particle diameter, and so far classification is complete, and the slurry that classification is good removes a part of water, is modulated into the concentration that the user needs, and can dispatch from the factory.
Claims (3)
1. submicron order calcium carbonate slurry production combination equipment, comprise means of abrasion and classification part, it is characterized in that, means of abrasion is the series combination of 5600 liters of vertical wet-process grinding machines and two 3600 liters of vertical wet-process grinding machines, and equipment is followed successively by mixing vessels, first-level buffer bucket, 5600 liters of vertical wet-process grinding machines of one-level, one-level vibratory screening apparatus; Level 2 buffering bucket, 3600 liters of vertical wet-process grinding machines of secondary, secondary vibration sieve; Three grades of buffer barrel, three grades of 3600 liters of vertical wet-process grinding machines, end product pool; Classification partly comprises surge pump and classification of sedimentation pond, connects with pipeline between above-mentioned each equipment.
2. submicron order calcium carbonate slurry production combination equipment according to claim 1, is characterized in that, the classification of sedimentation high 1.5～2.5m in pond, and diameter 1～1.5m is drum-shaped, and the pond inwall applies with glass reinforced plastic, is equipped with whipping appts in the pond, and Chi Kou has siphon pipe.
3. submicron order calcium carbonate slurry production combination equipment according to claim 1, is characterized in that, submicron order calcium carbonate slurry production method is as follows:
One, according to the solid content requirement of product, the former powder of calcium carbonate is deployed into slurry in mixing vessels after, pump pumps into first-level buffer bucket stirring 20-40 minute, pump into 5600 liters of vertical wet-process shredders by pump again, by the frequency modulation control mill speed, add grinding aid, control grinding temperature, the particle diameter that makes the slurry that this grinding machine produces through the one-level vibratory screening apparatus is below 5 microns, wherein reaches 60% below 2 microns;
Two, flow into the level 2 buffering bucket, pump into 3600 liters of vertical wet-process shredders of secondary with pump and carry out regrind, through the secondary vibration sieve, adopt same method to grind regulation and control, produce particle diameter below 2 microns, wherein reach 98% heavy calcium carbonate slurry below 2 microns;
Three, flow into three grades of buffer barrel, pump into three grades of 3600 liters of vertical wet-process shredders with pump and grind for the third time, adopt same method to grind regulation and control, produce particle diameter and be the heavy calcium carbonate slurry more than 100nm and flow into end product pool at 0.1 micron;
Four, in the precipitation fractionation pond, with siphonage, the upper strata slurry is emitted, emit height 20～30cm, then add clear water initial liquid level to the siphon in the precipitation fractionation pond, and add for the first time 5%～10% of the dispersion agent weight of throwing in, with last time the same stirring, sedimentation, siphon, so operate 8～10 times again, can obtain particle diameter less than the slurry of 40 microns; After this still add clear water and dispersion agent in the classification of sedimentation pond, stirring, sedimentation, siphon, but will shorten time of sedimentation according to the settling time operation of new settings 8～10 times, can obtain again slightly thick any slurry of particle diameter 40-70 micron; At last remaining is the slurry of 70-100 micron for particle diameter, and so far classification is complete, and the slurry that classification is good removes a part of water, is modulated into the concentration that the user needs, and can dispatch from the factory.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104910645A (en) * | 2014-06-10 | 2015-09-16 | 池州市富华粉体科技有限公司 | Preparation method of ultrafine calcium carbonate |
| CN105032579A (en) * | 2015-06-03 | 2015-11-11 | 安徽省铜陵县牛山矿业有限责任公司 | Envelope TiO2 slurry continuous grinding device |
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| CN101381586A (en) * | 2007-09-07 | 2009-03-11 | 上海界龙稀土精细研磨材料有限公司 | Production method of polishing powder for liquid crystal display device |
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| CN104910645A (en) * | 2014-06-10 | 2015-09-16 | 池州市富华粉体科技有限公司 | Preparation method of ultrafine calcium carbonate |
| CN105032579A (en) * | 2015-06-03 | 2015-11-11 | 安徽省铜陵县牛山矿业有限责任公司 | Envelope TiO2 slurry continuous grinding device |
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Application publication date: 20130612 |