CN107597301A - A kind of zeolite grinds preprocess method - Google Patents
A kind of zeolite grinds preprocess method Download PDFInfo
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- CN107597301A CN107597301A CN201710806408.1A CN201710806408A CN107597301A CN 107597301 A CN107597301 A CN 107597301A CN 201710806408 A CN201710806408 A CN 201710806408A CN 107597301 A CN107597301 A CN 107597301A
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- zeolite
- grinding
- grinds
- preprocess method
- ball mill
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Abstract
The invention discloses a kind of zeolite to grind preprocess method, zeolite uses secondary grinder technique, grinding aid and zirconia grinding media are added during grinding, while grinding efficiency is ensured, the uniformity of grinding and the decentralization of zeolite after grinding are lifted, using the zeolite particle size of this method grinding in 0.5 1 μm of distributive law up to 81.2%.
Description
Technical field
The present invention relates to zeolite field, especially zeolite pre-processes, and in particular to a kind of zeolite grinds preprocess method.
Background technology
Zeolite is the general name of zeolite race mineral, is a kind of manosil AS mineral of aqueous alkali metal or alkaline-earth metal, by boiling
Stone mineral characteristic is divided into rack-like, sheet, threadiness and unfiled four kinds, is divided into one-dimensional, two-dimentional, said three-dimensional body by pore canal system feature
System.Any zeolite is all made up of silicon-oxy tetrahedron and aluminum-oxygen tetrahedron.Tetrahedron can only be connected with summit, that is, share an oxygen original
Son, and can not " side " or " face " be connected.Aluminum-oxygen tetrahedron can not be connected in itself, therebetween at least one silicon-oxy tetrahedron.And silicon
Oxygen tetrahedron can be joined directly together.Silicon in silicon-oxy tetrahedron, it can be replaced by aluminium atom and form aluminum-oxygen tetrahedron.Zeolite due to
Its special physical arrangement and be widely used in the departments such as industry, agricultural, national defence, and its purposes is also opened constantly
Open up.But the crystal structure of zeolite makes its antiacid, heat resistance is good, and dissolubility is poor, has a strong impact on its use.
Pretreatment to zeolite, it can both increase skin effect, the bulk effect of zeolite, its dissolubility can also be lifted,
Be advantageous to subsequent use, the method pre-processed at present is mainly divided into Mechanical Method and chemical method, and Mechanical Method has environmental protection, operation
The characteristics of facilitating, it is that grinding is the most frequently used in Mechanical Method, with skill now to the main method of inorganic ore class pretreatment
The progressive grinding of art is not only to change granular size, can also change the property of material, adding different auxiliary agents can both carry
Lapping uniformity is risen, the dispersiveness of inorganic ions can also be lifted, such as Chinese patent publication No.：CN102977642A passes through in weight
Excellent water-soluble surface modifier is added in matter calcium carbonate slurry, superfine modified heavy carbon is produced using the method for wet grinding
Sour calcium, so as to improve the compatibility of powdered whiting particle and organic polymer, powdered whiting is improved organic high poly-
Dispersive property in thing.Continuous developing to zeolite application, also requires more and more stricter, there is provided one to the pretreatment modification of zeolite
Kind zeolite grinding pretreatment simple to operate is to be eager to solve the problems, such as at present.
The content of the invention
According to above the deficiencies in the prior art, the technical problems to be solved by the invention are to propose a kind of pre- place of zeolite grinding
Reason method, by two-stage grinding technics, and grinding aid and abrasive media are added, lift grinding efficiency and lapping uniformity.
To achieve the above object, the present invention provides following technical scheme：
A kind of zeolite grinds preprocess method, and operating procedure is as follows：Zeolite is added in deionized water and is stirred into slurry
Material, add after grinding aid is uniformly mixed and be added in ball mill, abrasive media is added, under nitrogen protection, using two
Level wet grinding technique is ground, after through dry must pre-process milled zeolite.
Preferably, the mass fraction of zeolite is 35-40% in the slurry, and slurry volume accounts for the 25-30% of ball milling cavity.
Preferably, the addition of the grinding aid is the 0.5-2% of zeolite, and grinding aid is that mass ratio is 1:2-4 poly- second
The mixture of glycol and calgon, and the relative molecular weight of polyethylene glycol is 60000.
Preferably, the addition of the abrasive media is 2.5-3 times of zeolite, and abrasive media is that mass ratio is 2:1 ball
Shape and cylindrical zirconium oxide mixture, and spherical specification is φ 10mm, cylinder specification is 7 × φ 7mm.
Preferably, the first order uses horizontal ball mill, milling time 50-60min, temperature in the two-stage wet grinding technique
50-60 DEG C of degree, the second level use vertical ball mill, the flow velocity 40-50g/min of the slurry of grinding, milling time 30-40min, temperature
60-70 DEG C of degree, ball mill fixed rotating speed 2000-2500r/min.
Preferably, the granularity of the zeolite is 50-60 μm.
Preferably, the stirring is stirred scattered, mixing speed 1500r/min using high speed dispersor.
Preferably, the drying is is dried in vacuo, 75-80 DEG C of temperature, time 8-12h.
Prior art is compared, the beneficial effects of the invention are as follows：
1. the present invention uses two-stage wet grinding technique, grinding effect can be greatly enhanced while grinding efficiency is ensured
Rate, it is adapted to scale, the attrition grinding of high-volume material.
2. in the present invention using different quality than abrasive media of different shapes, ball and cylinder can cooperate with mutually,
Lift grinding rate and uniformity.
3. the present invention is using mixing grinding aid, the repulsive interaction between two kinds of grinding aid macromoleculars, make between zeolite particles
Repulsive force improve, it is fully dispersed to be advantageous to zeolite ion, lifts grinding-aid effect.
Embodiment
With reference to specific embodiment, the present invention is described in further detail, to make those skilled in the art's reference say
Bright book word can be implemented according to this.
Embodiment 1
A kind of zeolite grinds preprocess method, and operating procedure is as follows：
The zeolite and deionized water for weighing 50 μm of granularity are stirred in high speed dispersor under mixing speed 1500r/min
Into zeolite mass fraction be 35% slurry, add quality be zeolite quality 0.5% by mass ratio be 1:2 polyethylene glycol and
The grinding aid of calgon mixing is uniformly mixed in high speed dispersor, mixing speed 1500r/min, is added to ball milling
In machine, the zirconia grinding media by spherical and cylindrical mixing that quality is 2.5 times of zeolite quality, spherical specification are added
For φ 10mm, cylinder specification is 7 × φ 7mm, and the spherical and mass ratio of cylinder is 2:1, under nitrogen protection, first pass through one-level and crouch
Formula ball mill, milling time 50min, temperature 50 C, secondary vertical ball mill grinding, the stream of the slurry of grinding are carried out after grinding again
Fast 40g/min, milling time 30min, temperature 60 C, ball mill fixed rotating speed 2000r/min, after grinding, carries out vacuum twice
Dry, 75 DEG C of temperature, dry 8h, obtain pretreatment milled zeolite.
Embodiment 2
A kind of zeolite grinding preprocess method is with embodiment 1 in the present embodiment, the difference is that the addition quality of grinding aid is
The 2% of zeolite quality, grinding aid are that mass ratio is 1:4 polyethylene glycol and calgon mixture.
Embodiment 3
A kind of zeolite grinding preprocess method is with embodiment 2 in the present embodiment, the difference is that the addition quality of abrasive media
It is 3 times of zeolite quality.
Embodiment 4
A kind of zeolite grinding preprocess method is with embodiment 1 in the present embodiment, the difference is that one-level horizontal ball mill, grinding
Time 60min, temperature 60 C, secondary vertical ball mill grinding, the flow velocity 50g/min of the slurry of grinding, milling time 40min,
Temperature 70 C.
Using BT-9300H type laser fineness gages, granularity Detection is carried out to embodiment 1-4 milled zeolite.Test knot
Fruit is as follows：Data show that grinding aid and abrasive media are advantageous to the uniformity and grinding efficiency of grinding.
| Particle diameter distribution rate % | 0.5-1μm | 1-2μm | 2-3μm |
| Embodiment 1 | 12.10% | 76.50% | 8.10% |
| Embodiment 2 | 53.20% | 40.10% | 3.50% |
| Embodiment 3 | 81.20% | 18.10% | 0.10% |
| Embodiment 4 | 32.50% | 50.30% | 7.20% |
The present invention is exemplarily described above in conjunction with specific embodiment, it is clear that present invention specific implementation is not by upper
The limitation of mode is stated, if the improvement of the various unsubstantialities of inventive concept and technical scheme of the present invention progress is employed, or
It is not improved by the present invention design and technical scheme directly apply to other occasions, protection scope of the present invention it
It is interior.Protection scope of the present invention should be determined by the scope of protection defined in the claims.
Claims (8)
1. a kind of zeolite grinds preprocess method, it is characterised in that operating procedure is as follows：Zeolite is added in deionized water and stirred
Slurry is mixed into, adds after grinding aid is uniformly mixed and is added in ball mill, add abrasive media, protected in nitrogen
Under, be ground using two-stage wet grinding technique, after through dry must pre-process milled zeolite.
2. zeolite according to claim 1 grinds preprocess method, it is characterised in that the quality of zeolite point in the slurry
Number is 35-40%, and slurry volume accounts for the 25-30% of ball milling cavity.
3. zeolite according to claim 1 grinds preprocess method, it is characterised in that the addition of the grinding aid is boiling
The 0.5-2% of stone, grinding aid are that mass ratio is 1:2-4 polyethylene glycol and the mixture of calgon, and polyethylene glycol
Relative molecular weight is 60000.
4. zeolite according to claim 1 grinds preprocess method, it is characterised in that the addition of the abrasive media is
2.5-3 times of zeolite, abrasive media are that mass ratio is 2:1 spherical and cylindrical zirconium oxide mixture, and spherical specification is
φ 10mm, cylinder specification are 7 × φ 7mm.
5. zeolite according to claim 1 grinds preprocess method, it is characterised in that in the two-stage wet grinding technique
The first order uses horizontal ball mill, milling time 50-60min, 50-60 DEG C of temperature, and the second level uses vertical ball mill, grinding
The flow velocity 40-50g/min of slurry, milling time 30-40min, 60-70 DEG C of temperature, ball mill fixed rotating speed 2000-2500r/
min。
6. zeolite according to claim 1 grinds preprocess method, it is characterised in that the granularity of the zeolite is 50-60 μ
m。
7. zeolite according to claim 1 grinds preprocess method, it is characterised in that the stirring uses high speed dispersor
It is stirred scattered, mixing speed 1500r/min.
8. zeolite according to claim 1 grinds preprocess method, it is characterised in that the drying is vacuum drying, warm
75-80 DEG C of degree, time 8-12h.
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| CN201710806408.1A CN107597301A (en) | 2017-09-08 | 2017-09-08 | A kind of zeolite grinds preprocess method |
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| CN102220032A (en) * | 2011-03-29 | 2011-10-19 | 上海东升新材料有限公司 | Dry grinding method of ultrafine heavy calcium carbonate |
| KR20120006258A (en) * | 2010-07-12 | 2012-01-18 | 동우 화인켐 주식회사 | Composition of pigment dispersed liquid, method of the same and colored resin composition having the same |
| CN103101919A (en) * | 2013-02-27 | 2013-05-15 | 东华大学 | Method for preparing ultrafine crystalline silica by using quartz tailings |
| CN103466645A (en) * | 2013-09-27 | 2013-12-25 | 上海冠旗电子新材料股份有限公司 | Method for preparing nano-silica by wet grinding |
| CN105967194A (en) * | 2016-04-20 | 2016-09-28 | 江西联锴新材料有限公司 | Method for preparing high-smoothness-level talcum powder |
| CN106179632A (en) * | 2016-07-14 | 2016-12-07 | 无锡普爱德环保科技有限公司 | A kind of molecular sieve nanometer wet grinding method made as desiccant wheel |
| CN106893367A (en) * | 2015-12-18 | 2017-06-27 | 池州灵芝化建材料科技有限公司 | A kind of preparation method of modified superfine powdered whiting |
| CN107051659A (en) * | 2017-06-12 | 2017-08-18 | 东北大学 | A kind of new milling method for being used to optimize molybdenite flotation behavior |
| CN107096610A (en) * | 2017-05-13 | 2017-08-29 | 河北工业大学 | A kind of method for preparing nano-scale tourmaline powder |
-
2017
- 2017-09-08 CN CN201710806408.1A patent/CN107597301A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20120006258A (en) * | 2010-07-12 | 2012-01-18 | 동우 화인켐 주식회사 | Composition of pigment dispersed liquid, method of the same and colored resin composition having the same |
| CN102220032A (en) * | 2011-03-29 | 2011-10-19 | 上海东升新材料有限公司 | Dry grinding method of ultrafine heavy calcium carbonate |
| CN103101919A (en) * | 2013-02-27 | 2013-05-15 | 东华大学 | Method for preparing ultrafine crystalline silica by using quartz tailings |
| CN103466645A (en) * | 2013-09-27 | 2013-12-25 | 上海冠旗电子新材料股份有限公司 | Method for preparing nano-silica by wet grinding |
| CN106893367A (en) * | 2015-12-18 | 2017-06-27 | 池州灵芝化建材料科技有限公司 | A kind of preparation method of modified superfine powdered whiting |
| CN105967194A (en) * | 2016-04-20 | 2016-09-28 | 江西联锴新材料有限公司 | Method for preparing high-smoothness-level talcum powder |
| CN106179632A (en) * | 2016-07-14 | 2016-12-07 | 无锡普爱德环保科技有限公司 | A kind of molecular sieve nanometer wet grinding method made as desiccant wheel |
| CN107096610A (en) * | 2017-05-13 | 2017-08-29 | 河北工业大学 | A kind of method for preparing nano-scale tourmaline powder |
| CN107051659A (en) * | 2017-06-12 | 2017-08-18 | 东北大学 | A kind of new milling method for being used to optimize molybdenite flotation behavior |
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