CN105036604A - Coarse diatom ooze powder and production process thereof - Google Patents
Coarse diatom ooze powder and production process thereof Download PDFInfo
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Abstract
The invention provides coarse diatom ooze powder and a production process thereof. The production process is simple, the water solubility of the diatom ooze powder is improved through specific mixing procedures, the fusion rate between the diatom ooze powder and water is improved, the construction window phase is prolonged, and the effect of long-time use can be achieved through one-time stirring. By means of the coarse diatom ooze powder and the production process thereof, the problem of surface decoration effect of a wall which is constructed and coated with a diatom ooze product on current market can be solved, and the construction efficiency of the diatom ooze product can be improved as well, in the using process, the stirring time is short, the energy consumption is saved, and the total cost of the diatom ooze product is reduced.
Description
Technical field
The invention belongs to technical field of coatings, be specifically related to a kind of coarse fodder diatom ooze powder and production technique thereof.
Background technology
Diatom ooze product is mainly added the dry powder coating material of gelling material and appropriate additive combination by diatomite and multiple Inorganic nonmetal mineral powder body material, in agitation vat, certain water:powder ratio is pressed with electric mixer by user at the construction field (site) during use, stir into similar mud cream or muddy, constructing on wall in modes such as blade coating, trowelling, sprayings.
Most diatom ooze producer obtains diatom ooze product powder by once feeding intake in the market, but this diatom ooze product powder at the scene in whipping process powder and shipwreck fully to merge, although surface looks being uniformly mixed of powder and water, but the aquation in fact really not reaching material completely merges, wall rear surface on diatom ooze product is caused to occur material color dot, pigment color dot etc., thus have a strong impact on the decorative effect of diatom ooze product, more seriously, because the aquation of diatom ooze powder merges insufficient, cause the water retention property of diatom ooze product unstable, construction window phase is difficult to control, when being coated in the metope of different base there is shedding in diatom ooze product, the problems such as variable color.For avoiding the problems referred to above, current constructor is only reliable in use repeatedly, repeatedly, for a long time stirs diatom ooze, thus causes that energy consumption is large, operating efficiency is low, cost of labor is high.
Summary of the invention
In view of this, the technical problem to be solved in the present invention is to provide a kind of coarse fodder diatom ooze powder and production technique thereof, and the simple in production process operation of coarse fodder diatom ooze powder provided by the invention, during use, churning time is short, and energy consumption is low.
The invention provides a kind of production technique of coarse fodder diatom ooze powder, comprise the following steps:
A) by composite additive, negative ion powder, redispersable latex powder, attapulgite, nano titanium oxide diatomite composite photocatalytic material and talcum powder mix and blend, obtain Preblend, described composite additive comprises ether of cellulose, wood fibre, edible seaweed powder and dispersion agent;
B) by described Preblend, kaolin, calcium hydroxide and titanium dioxide mix and blend, then add diatomite, sepiolite powder, sepiolite cashmere and water-ground limestone mix and blend, finally add white silica sand mix and blend, obtain coarse fodder diatom ooze powder.
Preferably, described steps A) comprising:
A1) by composite additive, negative ion powder, redispersable latex powder, attapulgite, nano titanium oxide diatomite composite photocatalytic material and the first talcum powder mix and blend, compound is obtained;
A2) by described compound and the second talcum powder mix and blend, Preblend is obtained;
Described first talcum powder and described second talcous quality summation are described talcous addition.
Preferably, steps A 1) in, the rotating speed of described mix and blend is 1000 ~ 1300 turns/min, and the time of described mix and blend is 2 ~ 6 minutes;
Steps A 2) in, the rotating speed of described mix and blend is 1000 ~ 1300 turns/min, and the time of described mix and blend is 5 ~ 10 minutes.
Preferably, described white silica sand comprises 20 order white silica sands, 40 order white silica sands, 80 order white silica sands and 120 orders white silica sand.
Preferably, described step B) comprising:
B1) by described Preblend and kaolin mix and blend, then calcium hydroxide and anatase thpe white powder mix and blend is added;
B2) then add diatomite and sepiolite powder mix and blend, then add sepiolite cashmere and water-ground limestone mix and blend;
B3) finally add 120 order white silica sands and 80 orders white silica sand mix and blend, finally add 40 order white silica sands and 20 orders white silica sand mix and blend again, obtain coarse fodder diatom ooze powder.
Preferably, step B1) in, the rotating speed of described Preblend and kaolin mix and blend is 30 ~ 60 turns/min, and the time is 3 ~ 10 minutes; The described rotating speed adding calcium hydroxide and anatase thpe white powder mix and blend is 30 ~ 60 turns/min, and the time is 3 ~ 10 minutes;
Step B2) in, described in add diatomite and sepiolite powder mix and blend rotating speed be 30 ~ 60 turns/min, the time is 3 ~ 10 minutes; The described rotating speed adding sepiolite cashmere and water-ground limestone mix and blend is 30 ~ 60 turns/min, and the time is 3 ~ 10 minutes;
Step B3) in, described in add 120 orders white silica sands and 80 orders white silica sand mix and blend rotating speed be 30 ~ 60 turns/min, the time is 3 ~ 10min; The described rotating speed adding 40 order white silica sands and 20 orders white silica sand mix and blend is 30 ~ 60 turns/min, and the time is 5 ~ 20min.
Preferably, in step B) after, also comprise and add pigment, mix and blend in described coarse fodder diatom ooze powder.
Preferably, described coarse fodder diatom ooze powder comprises following component:
The diatomite of 18wt% ~ 24wt%;
The negative ion powder of 1wt% ~ 2wt%;
The kaolin of 4wt% ~ 6wt%;
The talcum powder of 6wt% ~ 8wt%;
The redispersable latex powder of 1wt% ~ 3wt%;
The attapulgite of 2wt% ~ 4wt%;
The composite additive of 1wt% ~ 4.5wt%, described composite additive comprises: the ether of cellulose of 2 ~ 4 weight parts, the wood fibre of 2 ~ 5 weight parts, the edible seaweed powder of 1 ~ 3 weight part, the dispersion agent of 2 ~ 6 weight parts;
The nano titanium oxide diatomite composite photocatalytic material of 1wt% ~ 3wt%;
The sepiolite powder of 4wt% ~ 6wt%;
The calcium hydroxide of 7wt% ~ 10wt%;
The water-ground limestone of 10wt% ~ 14wt%;
The anatase thpe white powder of 2wt% ~ 4wt%
The sepiolite cashmere of 5wt% ~ 7wt%
The white silica sand of 20wt% ~ 34wt%.
Present invention also offers a kind of coarse fodder diatom ooze powder, comprise following component:
The diatomite of 18wt% ~ 24wt%;
The negative ion powder of 1wt% ~ 2wt%;
The kaolin of 4wt% ~ 6wt%;
The talcum powder of 6wt% ~ 8wt%;
The redispersable latex powder of 1wt% ~ 3wt%;
The attapulgite of 2wt% ~ 4wt%;
The composite additive of 1wt% ~ 4.5wt%, described composite additive comprises: the ether of cellulose of 2 ~ 4 weight parts, the wood fibre of 2 ~ 5 weight parts, the edible seaweed powder of 1 ~ 3 weight part, the dispersion agent of 2 ~ 6 weight parts;
The nano titanium oxide diatomite composite photocatalytic material of 1wt% ~ 3wt%;
The sepiolite powder of 4wt% ~ 6wt%;
The calcium hydroxide of 7wt% ~ 10wt%;
The water-ground limestone of 10wt% ~ 14wt%;
The anatase thpe white powder of 2wt% ~ 4wt%
The sepiolite cashmere of 5wt% ~ 7wt%
The white silica sand of 20wt% ~ 34wt%.
Preferably, described white silica sand comprise 6 ~ 10 mass parts 120 orders white silica sands, 4 ~ 7 mass parts 80 orders white silica sands, 4 ~ 7 mass parts 40 orders white silica sands and 6 ~ 10 mass parts 20 orders white silica sands.
Compared with prior art, the invention provides a kind of production technique of coarse fodder diatom ooze powder, comprise the following steps: A) by composite additive, negative ion powder, redispersable latex powder, attapulgite, nano titanium oxide diatomite composite photocatalytic material and talcum powder mix and blend, obtain Preblend, described composite additive comprises ether of cellulose, wood fibre, edible seaweed powder and dispersion agent; B) by described Preblend, kaolin, calcium hydroxide and titanium dioxide mix and blend, then add diatomite, sepiolite powder, sepiolite cashmere and water-ground limestone mix and blend, finally add white silica sand mix and blend, obtain coarse fodder diatom ooze powder.Production technique provided by the invention is simple, improves the water-soluble of diatom ooze powder, improve the fusion speed of diatom ooze powder and water by specific mixing step, extends construction window phase, reaches the effect that disposable stirring can use for a long time.Not only can solve the surface decoration effect problem on the coating of diatom ooze product construction in the market wall but also can improve the efficiency of the upper wall of diatom ooze product construction, churning time is short in use, energy efficient, reduces the holistic cost of diatom ooze product.
Accompanying drawing explanation
Fig. 1 is the process flow sheet of the Preblend of coarse fodder diatom ooze powder provided by the invention;
Fig. 2 is preparation technology's schema of coarse fodder diatom ooze powder provided by the invention;
Fig. 3 is preparation technology's schema of coarse fodder diatom ooze powder provided by the invention.
Embodiment
The invention provides a kind of production technique of coarse fodder diatom ooze powder, comprise the following steps:
A) by composite additive, negative ion powder, redispersable latex powder, attapulgite, nano titanium oxide diatomite composite photocatalytic material and talcum powder mix and blend, obtain Preblend, described composite additive comprises ether of cellulose, wood fibre, edible seaweed powder and dispersion agent;
B) by described Preblend, kaolin, calcium hydroxide and titanium dioxide mix and blend, then add diatomite, sepiolite powder, sepiolite cashmere and water-ground limestone mix and blend, finally add white silica sand mix and blend, obtain coarse fodder diatom ooze powder.
The present invention, when preparing coarse fodder diatom ooze powder, first prepares Preblend, and the production technique of described Preblend is:
By composite additive, negative ion powder, redispersable latex powder, attapulgite, nano titanium oxide compound diatomite photocatalyst material and talcum powder mix and blend, obtain Preblend, described composite additive comprises ether of cellulose, wood fibre, edible seaweed powder and dispersion agent.
In the present invention, described Preblend is raw materials used preferably mixes by the following method:
A1) by composite additive, negative ion powder, redispersable latex powder, attapulgite, nano titanium oxide diatomite composite photocatalytic material and the first talcum powder mix and blend, compound is obtained;
A2) by described compound and the second talcum powder mix and blend, Preblend is obtained;
Described first talcum powder and described second talcous quality summation are described talcous addition.
Fig. 1 is the process flow sheet of the Preblend of coarse fodder diatom ooze powder provided by the invention, and in Fig. 1, the talcum powder prepared in coarse fodder diatom ooze powder raw material is divided into two parts, portion is the first talcum powder, and portion is the second talcum powder.First first talcum powder is fed in whisking machines by the present invention, add composite additive subsequently again, negative ion powder, redispersable latex powder, attapulgite, nano titanium oxide diatomite composite photocatalytic material carry out mix and blend, obtain compound, wherein, the rotating speed of described mix and blend is 1000 ~ 1300 turns/min, and in embodiments more of the present invention, the rotating speed of described mix and blend is 1000 turns/min, the time of described mix and blend is 2 ~ 6min, is preferably 2 ~ 4min.
After obtaining compound, the second talcum powder and described compound are carried out mix and blend, obtains Preblend.Wherein, the rotating speed of described mix and blend is 1000 ~ 1300 turns/min, and in embodiments more of the present invention, the rotating speed of described mix and blend is 1000 turns/min, and the time of described mix and blend is 5 ~ 10min, is preferably 7 ~ 9min.In the present invention, described first talcum powder and described second talcous quality summation are described talcous addition.Preferably, described first talcum powder and the second talcous mass ratio are preferably 1:(0.5 ~ 1.5), in embodiments more of the present invention, described first talcum powder and the second talcous mass ratio are 1:1.
The present invention, when the preparation of Preblend, does not have particular restriction to described mix and blend equipment used, well known to a person skilled in the art the instrument that can realize diatom ooze powder mix and blend.The present invention preferably adopts model to be that JZ-02Q cuts at a high speed and stirs dispersion machine and carry out mix and blend.
After obtaining Preblend, by described Preblend, kaolin, calcium hydroxide and titanium dioxide mix and blend, then add diatomite, sepiolite powder, sepiolite cashmere and water-ground limestone mix and blend, finally add white silica sand mix and blend, obtain coarse fodder diatom ooze powder.
The present invention does not have particular restriction when mix and blend is carried out in the preparation of coarse fodder diatom ooze powder to instrument, well known to a person skilled in the art the instrument that can realize diatom ooze powder mix and blend.The preferred Horizontal dry powder material mixers of the present invention or V-type duplex dry powder material stirrer mix and blend, more preferably adopt V-type duplex dry powder material stirrer.Fig. 2 is shown in technical process, and Fig. 2 is preparation technology's schema of coarse fodder diatom ooze powder provided by the invention.
Concrete, described Preblend, kaolin, calcium hydroxide and titanium dioxide are fed in stirrer by the present invention, mix and blend, obtain just batch mixing.Wherein, when selecting Horizontal dry powder material mixers, the rotating speed of described mix and blend is 30 ~ 60 turns/min, and be preferably 45 ~ 50 turns/min, the time of described mix and blend is 3 ~ 10min, be preferably 5 ~ 8min, when selecting V-type duplex dry powder material stirrer, the rotation rotating speed of described mix and blend is 57 ~ 60 turns/min, and revolution rotating speed is 3 ~ 5 turns/min, the time of described mix and blend is 3 ~ 10min, is preferably 5 ~ 8min.
After obtaining first batch mixing, the present invention then adds diatomite, sepiolite powder, sepiolite cashmere and water-ground limestone mix and blend in first batch mixing, obtains middle batch mixing.When selecting Horizontal dry powder material mixers, the rotating speed of described mix and blend is 30 ~ 60 turns/min, be preferably 45 ~ 50 turns/min, the time of described mix and blend is 3 ~ 10min, is preferably 5 ~ 8min, when selecting V-type duplex dry powder material stirrer, the rotation rotating speed of described mix and blend is 57 ~ 60 turns/min, revolution rotating speed is 3 ~ 5 turns/min, and the time of described mix and blend is 3 ~ 10min, is preferably 5 ~ 8min.
After obtaining batch mixing, the present invention then adds white silica sand mix and blend in described middle batch mixing, obtains coarse fodder diatom ooze powder.When selecting Horizontal dry powder material mixers, the rotating speed of described mix and blend is 30 ~ 60 turns/min, be preferably 45 ~ 50 turns/min, the time of described mix and blend is 5 ~ 20min, is preferably 10 ~ 15min, when selecting V-type duplex dry powder material stirrer, the rotation rotating speed of described mix and blend is 57 ~ 60 turns/min, revolution rotating speed is 3 ~ 5 turns/min, and the time of described mix and blend is 5 ~ 20min, is preferably 10 ~ 15min.
In the present invention, described white silica sand preferably includes 20 order white silica sands, 40 order white silica sands, 80 order white silica sands and 120 orders white silica sand.
The present invention is to described Preblend, kaolin, calcium hydroxide and titanium dioxide mix and blend, the order of diatomite, sepiolite powder, sepiolite cashmere and water-ground limestone mix and blend and white silica sand mix and blend does not have particular restriction, preferably carry out the preparation of coarse fodder diatom ooze powder by the following method, concrete technology flow process is shown in Fig. 3, and Fig. 3 is preparation technology's schema of coarse fodder diatom ooze powder provided by the invention.
Be specially:
B1) by described Preblend and kaolin mix and blend, then calcium hydroxide and anatase thpe white powder mix and blend is added;
B2) then add diatomite and sepiolite powder mix and blend, then add sepiolite cashmere and water-ground limestone mix and blend;
B3) finally add 120 order white silica sands and 80 orders white silica sand mix and blend, finally add 40 order white silica sands and 20 orders white silica sand mix and blend again, obtain coarse fodder diatom ooze powder.
First kaolin be fed in stirrer by the present invention, add Preblend mix and blend again, wherein, when selecting Horizontal dry powder material mixers, the rotating speed of described mix and blend is 30 ~ 60 turns/min, be preferably 45 ~ 50 turns/min, the time of described mix and blend is 3 ~ 10min, be preferably 5 ~ 8min, when selecting V-type duplex dry powder material stirrer, the rotation rotating speed of described mix and blend is 57 ~ 60 turns/min, and revolution rotating speed is 3 ~ 5 turns/min, the time of described mix and blend is 3 ~ 10min, is preferably 5 ~ 8min.
Then add calcium hydroxide again and anatase thpe white powder carries out mix and blend, obtain just batch mixing.When selecting Horizontal dry powder material mixers, the rotating speed of described mix and blend is 30 ~ 60 turns/min, be preferably 45 ~ 50 turns/min, the time of described mix and blend is 3 ~ 10min, is preferably 5 ~ 8min, when selecting V-type duplex dry powder material stirrer, the rotation rotating speed of described mix and blend is 57 ~ 60 turns/min, revolution rotating speed is 3 ~ 5 turns/min, and the time of described mix and blend is 3 ~ 10min, is preferably 5 ~ 8min.
After obtaining first batch mixing, the present invention adds diatomite and sepiolite powder mix and blend in first batch mixing, wherein, when selecting Horizontal dry powder material mixers, the rotating speed of described mix and blend is 30 ~ 60 turns/min, be preferably 45 ~ 50 turns/min, the time of described mix and blend is 3 ~ 10min, be preferably 5 ~ 8min, when selecting V-type duplex dry powder material stirrer, the rotation rotating speed of described mix and blend is 57 ~ 60 turns/min, and revolution rotating speed is 3 ~ 5 turns/min, the time of described mix and blend is 3 ~ 10min, is preferably 5 ~ 8min.
Then add sepiolite cashmere and water-ground limestone mix and blend again, obtain middle batch mixing.Wherein, when selecting Horizontal dry powder material mixers, the rotating speed of described mix and blend is 30 ~ 60 turns/min, and be preferably 45 ~ 50 turns/min, the time of described mix and blend is 3 ~ 10min, be preferably 5 ~ 8min, when selecting V-type duplex dry powder material stirrer, the rotation rotating speed of described mix and blend is 57 ~ 60 turns/min, and revolution rotating speed is 3 ~ 5 turns/min, the time of described mix and blend is 3 ~ 10min, is preferably 5 ~ 8min.
After obtaining batch mixing, the present invention then adds white silica sand mix and blend in described middle batch mixing, obtains coarse fodder diatom ooze powder.Concrete, 120 order white silica sands and 80 orders white silica sand mix and blend is added to described middle batch mixing, when selecting Horizontal dry powder material mixers, the rotating speed of described mix and blend is 30 ~ 60 turns/min, be preferably 45 ~ 50 turns/min, the time of described mix and blend is 3 ~ 10min, be preferably 5 ~ 8min, when selecting V-type duplex dry powder material stirrer, the rotation rotating speed of described mix and blend is 57 ~ 60 turns/min, revolution rotating speed is 3 ~ 5 turns/min, and the time of described mix and blend is 3 ~ 10min, is preferably 5 ~ 8min;
Finally add 40 orders white silica sands and 20 orders white silica sand mix and blend again, when selecting Horizontal dry powder material mixers, the rotating speed of described mix and blend is 30 ~ 60 turns/min, be preferably 45 ~ 50 turns/min, the time of described mix and blend is 5 ~ 20min, be preferably 10 ~ 15min, when selecting V-type duplex dry powder material stirrer, the rotation rotating speed of described mix and blend is 57 ~ 60 turns/min, revolution rotating speed is 3 ~ 5 turns/min, the time of described mix and blend is 5 ~ 20min, is preferably 10 ~ 15min.
In the production technique of coarse fodder diatom ooze powder provided by the invention, after obtaining coarse fodder diatom ooze powder, as required, also comprise in described coarse fodder diatom ooze powder, to add mix and blend after pigment, when selecting Horizontal dry powder material mixers, the rotating speed of described mix and blend is 30 ~ 60 turns/min, be preferably 45 ~ 50 turns/min, the time of described mix and blend is 3 ~ 10min, be preferably 5 ~ 8min, when selecting V-type duplex dry powder material stirrer, the rotation rotating speed of described mix and blend is 57 ~ 60 turns/min, revolution rotating speed is 3 ~ 5 turns/min, the time of described mix and blend is 3 ~ 10min, be preferably 5 ~ 8min.
After prepared by coarse fodder diatom ooze product, pure manual constructional method can be adopted to construct out, and the manual skin texture of various craftsman's skill, texture are clear, the diatom ooze product of unique style decorative effect; Also can engrave to print with template simultaneously and combine, the strong multicolour of stereoscopic sensation of constructing out, has the diatom ooze product of figure, pattern effect.
In the present invention, described coarse fodder diatom ooze powder comprises following component:
The diatomite of 18wt% ~ 24wt%;
The negative ion powder of 1wt% ~ 2wt%;
The kaolin of 4wt% ~ 6wt%;
The talcum powder of 6wt% ~ 8wt%;
The redispersable latex powder of 1wt% ~ 3wt%;
The attapulgite of 2wt% ~ 4wt%;
The composite additive of 1wt% ~ 4.5wt%, described composite additive comprises: the ether of cellulose of 2 ~ 4 weight parts, the wood fibre of 2 ~ 5 weight parts, the edible seaweed powder of 1 ~ 3 weight part, the dispersion agent of 2 ~ 6 weight parts;
The nano titanium oxide diatomite composite photocatalytic material of 1wt% ~ 3wt%;
The sepiolite powder of 4wt% ~ 6wt%;
The calcium hydroxide of 7wt% ~ 10wt%;
The water-ground limestone of 10wt% ~ 14wt%;
The anatase thpe white powder of 2wt% ~ 4wt%
The sepiolite cashmere of 5wt% ~ 7wt%
The white silica sand of 20wt% ~ 34wt%.
Wherein, described white silica sand preferably include 6 ~ 10 mass parts 120 orders white silica sands, 4 ~ 7 mass parts 80 orders white silica sands, 4 ~ 7 mass parts 40 orders white silica sands and 6 ~ 10 mass parts 20 orders white silica sands.
Present invention also offers a kind of coarse fodder diatom ooze powder, comprise following component:
The diatomite of 18wt% ~ 24wt%;
The negative ion powder of 1wt% ~ 2wt%;
The kaolin of 4wt% ~ 6wt%;
The talcum powder of 6wt% ~ 8wt%;
The redispersable latex powder of 1wt% ~ 3wt%;
The attapulgite of 2wt% ~ 4wt%;
The composite additive of 1wt% ~ 4.5wt%, described composite additive comprises: the ether of cellulose of 2 ~ 4 weight parts, the wood fibre of 2 ~ 5 weight parts, the edible seaweed powder of 1 ~ 3 weight part, the dispersion agent of 2 ~ 6 weight parts;
The nano titanium oxide diatomite composite photocatalytic material of 1wt% ~ 3wt%;
The sepiolite powder of 4wt% ~ 6wt%;
The calcium hydroxide of 7wt% ~ 10wt%;
The water-ground limestone of 10wt% ~ 14wt%;
The anatase thpe white powder of 2wt% ~ 4wt%
The sepiolite cashmere of 5wt% ~ 7wt%
The white silica sand of 20wt% ~ 34wt%.
Coarse fodder diatom ooze powder of the present invention comprises diatomite, and described diatomite is 400 order ~ 600 object calcined diatomites preferably, and in some embodiments of the invention, described diatomite is selected from 600 order calcined diatomites.Described diatomaceous addition is 18wt% ~ 24wt%, is preferably 19wt% ~ 23wt%, is more preferably 20wt% ~ 22wt%.
Coarse fodder diatom ooze powder of the present invention also comprises negative ion powder, and the order number of described negative ion powder is preferably 400 order ~ 600 orders, and in specific embodiments more of the present invention, the order number of described negative ion powder is 600 orders.The addition of described negative ion powder is 1wt% ~ 2wt%, is preferably 1.2wt% ~ 1.8wt%, is more preferably 1.4wt% ~ 1.6wt%.
Coarse fodder diatom ooze powder of the present invention also comprises kaolin, and described kaolin is preferably 400 order ~ 600 object calcined kaolins, and in specific embodiments more of the present invention, described kaolin is 400 object calcined kaolins.Described kaolinic addition is 4wt% ~ 6wt%, is preferably 4.5wt% ~ 5.5wt%, is more preferably 4.8wt% ~ 5.3wt%.
Coarse fodder diatom ooze powder of the present invention also comprises talcum powder, and described talcous order number is preferably 800 order ~ 1200 orders, and in specific embodiments more of the present invention, described talcous order number is 800 orders.Described talcous addition is 6wt% ~ 8wt%, is preferably 6.5wt% ~ 7.5wt%, is more preferably 6.8wt% ~ 7.3wt%.
Coarse fodder diatom ooze powder of the present invention also comprises redispersable latex powder, and described redispersable latex powder is selected from polyvinyl acetate (PVA) redispersable latex powder and vinyl redispersable latex powder, is preferably polyvinyl acetate (PVA) redispersable latex powder.The addition of described redispersable latex powder is 1wt% ~ 3wt%, is preferably 1.5wt% ~ 2.5wt%, is more preferably 1.8wt% ~ 2.3wt%.
Coarse fodder diatom ooze powder of the present invention also comprises attapulgite, and the addition of described attapulgite is 2wt% ~ 4wt%, is preferably 2.5wt% ~ 3.5wt%, is more preferably 2.8wt% ~ 3.3wt%.In the present invention, particular restriction is not had to the source of described attapulgite, generally commercially available, in the present invention, the attapulgite that described attapulgite preferably adopts company of star concavo-convex company limited of Mingguang City, Anhui Province state to produce, a kind of inorganic coagulation material that described attapulgite is extracted through processing by appositional pattern attapulgite, the present invention does not have particular restriction to the method that described processing is refined, well known to a person skilled in the art the method that processing is refined, in the present invention, preferably carry out processing as follows to refine:
After appositional pattern attapulgite is mixed with water, filter, remove the macrobead thing impurity in attapulgite, the filtrate obtained is successively after soaking and precipitating, take off a layer throw out, lower sediment thing is refiltered, obtain the gelatinous material of gumminess, by the gelatinous material of described gumminess after oven dry, fragmentation and screening, obtain the attapulgite that the present invention is used.
Coarse fodder diatom ooze powder of the present invention also comprises composite additive, and described composite additive comprises: the ether of cellulose of 2 ~ 4 weight parts, the wood fibre of 2 ~ 5 weight parts, the edible seaweed powder of 1 ~ 3 weight part, the dispersion agent of 2 ~ 6 weight parts.Preferably, described composite additive comprises ether of cellulose, the wood fibre of 3 weight parts, the edible seaweed powder of 1 weight part, the dispersion agent of 4 weight parts of 2 weight parts.Wherein, described ether of cellulose is selected from methylhydroxypropylcellulose ether and/or methyl hydroxyethylcellulose ether, is preferably methylhydroxypropylcellulose ether.Described dispersion agent is wetting dispersing agent, and being preferably the sulfonated naphthalene good to mineral dye dispersing property is the wetting dispersing agent of main component.The present invention with the addition of composite additive in the process preparing coarse fodder diatom ooze powder, and described composite additive can improve the water-soluble of coarse fodder diatom ooze powder, improves the fusion speed of diatom ooze powder and water.The addition of described composite additive is 1wt% ~ 4.5wt%, is preferably 1.2wt% ~ 4wt%, is more preferably 2wt% ~ 3wt%.
Coarse fodder diatom ooze powder of the present invention also comprises nano titanium oxide diatomite composite photocatalytic material, the addition of described nano titanium oxide diatomite composite photocatalytic material is 1wt% ~ 3wt%, be preferably 1.5wt% ~ 2.5wt%, be more preferably 1.8wt% ~ 2.3wt%.
Coarse fodder diatom ooze powder of the present invention also comprises sepiolite powder, and the order number of described sepiolite powder is preferably 100 orders, 400 orders or 600 orders, and in specific embodiments more of the present invention, the order number of described sepiolite powder is 600 orders.The addition of described sepiolite powder is 4wt% ~ 6wt%, is preferably 4.5wt% ~ 5.5wt%, is more preferably 4.8wt% ~ 5.3wt%.
Coarse fodder diatom ooze powder of the present invention also comprises calcium hydroxide, and the order number of described calcium hydroxide is preferably 400 order ~ 600 orders, and in specific embodiments more of the present invention, the order number of described calcium hydroxide is 600 orders.The addition of described calcium hydroxide is 7wt% ~ 10wt%, is preferably 8.5wt% ~ 9.5wt%, is more preferably 8.8wt% ~ 9.3wt%.
Coarse fodder diatom ooze powder of the present invention also comprises water-ground limestone, the order number of described water-ground limestone is preferably 400 order ~ 600 orders, in specific embodiments more of the present invention, the order number of described water-ground limestone is 400 orders, the addition of described water-ground limestone is 10wt% ~ 14wt%, be preferably 11wt% ~ 13wt%, be more preferably 11.5wt% ~ 12.5wt%.
Coarse fodder diatom ooze powder of the present invention also comprises anatase thpe white powder, and the addition of described anatase thpe white powder is preferably 2wt% ~ 4wt%, is preferably 2.5wt% ~ 3.5wt%, is more preferably 2.8wt% ~ 3.3wt%.
Coarse fodder diatom ooze powder of the present invention also comprises sepiolite cashmere, and the staple length of described sepiolite cashmere is preferably 0.3 ~ 1.2mm, is more preferably 0.5 ~ 0.8mm.In some embodiments of the invention, the staple length of described sepiolite cashmere is 0.5 ~ 0.8mm.The addition of described sepiolite cashmere is 5wt% ~ 7wt%, is preferably 5.5wt% ~ 6.5wt%, is more preferably 5.8wt% ~ 6.3wt%.
Coarse fodder diatom ooze powder of the present invention also comprises white silica sand, and the addition of described white silica sand is 20wt% ~ 34wt%, is preferably 22wt% ~ 32wt%, is more preferably 25wt% ~ 3.wt%.Described white silica sand comprise 6 ~ 10 mass parts 120 orders white silica sands, 4 ~ 7 mass parts 80 orders white silica sands, 4 ~ 7 mass parts 40 orders white silica sands and 6 ~ 10 mass parts 20 orders white silica sands.
Diatom ooze powder of the present invention also comprises pigment, and described pigment is selected from ferric oxide series inorganic powder pigment, and addition is the 1wt% ~ 18wt% of coarse fodder diatom ooze powder of the present invention, is more preferably 2wt% ~ below 16wt%.
Production technique provided by the invention is simple, improves the water-soluble of diatom ooze powder, improve the fusion speed of diatom ooze powder and water by specific mixing step, extends construction window phase, reaches the effect that disposable stirring can use for a long time.Not only can solve the surface decoration effect problem on the coating of diatom ooze product construction in the market wall but also can improve the efficiency of the upper wall of diatom ooze product construction, churning time is short in use, energy efficient, reduces the holistic cost of diatom ooze product.
In order to understand the present invention further, be described coarse fodder diatom ooze powder provided by the invention and production technique thereof below in conjunction with embodiment, protection scope of the present invention is not limited by the following examples.
Embodiment 1 prepares the Preblend of coarse fodder diatom ooze powder
Model is selected to be that JZ-02Q cuts at a high speed and stirs the preparation that dispersion machine carries out Preblend
First being put into by the 800 order talcum powder of 25wt% to cut at a high speed stirs in dispersion machine, add the polyvinyl acetate (PVA) redispersable latex powder of 8.4wt% subsequently, the attapulgite of 16.7wt%, the methylhydroxypropylcellulose ether of 3.3wt%, the wood fibre of 5wt%, the edible seaweed powder of 1.7wt%, the sulfonated naphthalene wetting dispersing agent of 6.6wt% and the nano titanium oxide diatomite composite photocatalytic material of 8.3wt% are under the condition of 1000 turns/min after mix and blend 2min, add 800 order talcum powder mix and blend 7min under the condition of 1000 turns/min of 25wt% again, obtain Preblend.By described Preblend quality inspection, metering and filling for subsequent use.
Embodiment 2
Model is selected to be that JZ-02Q cuts at a high speed and stirs the preparation that dispersion machine carries out Preblend
First being put into by the 800 order talcum powder of 19wt% to cut at a high speed stirs in dispersion machine, add the polyvinyl acetate (PVA) redispersable latex powder of 12wt% subsequently, the attapulgite of 16.7wt%, the methylhydroxypropylcellulose ether of 4.8wt%, the wood fibre of 6.4wt%, the edible seaweed powder of 3.2wt%, the sulfonated naphthalene wetting dispersing agent of 7.9wt% and the nano titanium oxide diatomite composite photocatalytic material of 11wt% are under the condition of 1300 turns/min after mix and blend 2min, add 800 order talcum powder mix and blend 7min under the condition of 1300 turns/min of 19wt% again, obtain Preblend.By described Preblend quality inspection, metering and filling for subsequent use.
Embodiment 3
Model is selected to be that JZ-02Q cuts at a high speed and stirs the preparation that dispersion machine carries out Preblend
First being put into by the 800 order talcum powder of 20wt% to cut at a high speed stirs in dispersion machine, add the polyvinyl acetate (PVA) redispersable latex powder of 15wt% subsequently, the attapulgite of 20wt%, the methylhydroxypropylcellulose ether of 2.2wt%, the wood fibre of 2.8wt%, the edible seaweed powder of 1.7wt%, the sulfonated naphthalene wetting dispersing agent of 3.3wt% and the nano titanium oxide diatomite composite photocatalytic material of 15wt% are under the condition of 1000 turns/min after mix and blend 2min, add 800 order talcum powder mix and blend 7min under the condition of 1000 turns/min of 20wt% again, obtain Preblend.By described Preblend quality inspection, metering and filling for subsequent use.
The preparation of embodiment 4 coarse fodder diatom ooze powder
Horizontal dry powder material mixers is selected to carry out the preparation of coarse fodder diatom ooze powder:
The Preblend 600 order calcined kaolins of 6wt%, the embodiment 1 of 12wt% prepared, the calcium hydroxide of 9wt% and the titanium dioxide of 4wt% are fed in stirrer, and under the condition of 45 turns/min, 5min is stirred in start, obtain just batch mixing;
In described stirrer, add the 400 order calcined diatomites of 18wt%, the 600 order sepiolite powders of 5wt%, 0.5 ~ 0.8mm sepiolite cashmere of 6wt% and the water-ground limestone of 10w% again, under the condition of 45 turns/min, 5min is stirred in start, obtains middle batch mixing;
In described stirrer, add the 120 order white silica sands of the 20 order white silica sands of 9wt%, the 40 order white silica sands of 5wt%, the 80 order white silica sands of 6wt% and 10wt% again, under the condition of 45 turns/min, 15min is stirred in start, obtains coarse fodder diatom ooze powder.
Embodiment 5
V-type duplex dry powder material stirrer is selected to carry out the preparation of coarse fodder diatom ooze powder:
The Preblend 600 order calcined kaolins of 5wt%, the embodiment 2 of 18wt% prepared, the calcium hydroxide of 8wt% and the titanium dioxide of 2wt% are fed in stirrer, at stirrer rotation 60 turns/min, under the condition of revolution 5 turns/min, 5min is stirred in start, obtains just batch mixing;
The 400 order calcined diatomites of 20wt%, the 600 order sepiolite powders of 5wt%, 0.5 ~ 0.8mm sepiolite cashmere of 6wt% and the water-ground limestone of 12w% is added again in described stirrer, at stirrer rotation 60 turns/min, under the condition of revolution 5 turns/min, 5min is stirred in start, obtains middle batch mixing;
The 120 order white silica sands of the 20 order white silica sands of 6wt%, the 40 order white silica sands of 5wt%, the 80 order white silica sands of 6wt% and 7wt% are added again in described stirrer, at stirrer rotation 60 turns/min, under the condition of revolution 5 turns/min, 15min is stirred in start, obtains coarse fodder diatom ooze powder.
Embodiment 6
V-type duplex dry powder material stirrer is selected to carry out the preparation of coarse fodder diatom ooze powder:
Be fed in stirrer by the 600 order calcined kaolins of 5wt%, the Preblend that the embodiment 3 adding 18wt% subsequently prepares is at stirrer rotation 57 turns/min, and under the condition of revolution 3 turns/min, 3min is stirred in start; Add the calcium hydroxide of 8wt% and the titanium dioxide of 2wt% again at stirrer rotation 57 turns/min, under revolution 3 turns/min condition, 8min is stirred in start, obtains just batch mixing;
In described stirrer, add the 400 order calcined diatomites of 21wt% and the 600 order sepiolite powders of 5wt% again, at stirrer rotation 57 turns/min, under the condition of revolution 3 turns/min, 3min is stirred in start; Add 0.5 ~ 0.8mm sepiolite cashmere of 6wt% and the water-ground limestone of 12w% again, at stirrer rotation 57 turns/min, under the condition of revolution 3 turns/min, 8min is stirred in start, obtains middle batch mixing;
Finally, the 80 order white silica sands of 6wt% and the 120 order white silica sands of 7wt% are added in described stirrer, at stirrer rotation 57 turns/min, under the condition of revolution 3 turns/min, 3min is stirred in start, add the 20 order white silica sands of 6wt% and the 40 order white silica sands of 5wt% again, at stirrer rotation 57 turns/min, under the condition of revolution 3 turns/min, 18min is stirred in start, obtains coarse fodder diatom ooze powder.
Comparative example 1
Select the raw material identical with embodiment 2 and raw material dosage, be fed in SY-1V type screw mixer by disposable for whole raw material, setting-up time 90min, at stirrer rotation 60 turns/min, carry out mix and blend under the condition of revolution 5 turns/min, obtain coarse fodder diatom ooze powder.
The Performance Detection of embodiment 7 coarse fodder diatom ooze powder
According to JC/2177-2013 " diatom ooze decorative wall material " standard, the detected result of coarse fodder diatom ooze product prepared by above four cases of test is in table 1 ~ table 3:
Table 1 product physical property Indexs measure
Table 2 product functionality detects
Table 3 product construction Practical Performance detects
From table 1 ~ 3, the coarse fodder diatom ooze powder that production technique provided by the invention prepares improves the fusion speed of diatom ooze powder and water, extends construction window phase, reaches the effect that disposable stirring can use for a long time.Not only can solve the surface decoration effect problem on the coating of diatom ooze product construction in the market wall but also can improve the efficiency of the upper wall of diatom ooze product construction, churning time is short in use, energy efficient, reduces the holistic cost of diatom ooze product.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (10)
1. a production technique for coarse fodder diatom ooze powder, is characterized in that, comprises the following steps:
A) by composite additive, negative ion powder, redispersable latex powder, attapulgite, nano titanium oxide diatomite composite photocatalytic material and talcum powder mix and blend, obtain Preblend, described composite additive comprises ether of cellulose, wood fibre, edible seaweed powder and dispersion agent;
B) by described Preblend, kaolin, calcium hydroxide and titanium dioxide mix and blend, then add diatomite, sepiolite powder, sepiolite cashmere and water-ground limestone mix and blend, finally add white silica sand mix and blend, obtain coarse fodder diatom ooze powder.
2. production technique according to claim 1, is characterized in that, described steps A) comprising:
A1) by composite additive, negative ion powder, redispersable latex powder, attapulgite, nano titanium oxide diatomite composite photocatalytic material and the first talcum powder mix and blend, compound is obtained;
A2) by described compound and the second talcum powder mix and blend, Preblend is obtained;
Described first talcum powder and described second talcous quality summation are described talcous addition.
3. production technique according to claim 2, is characterized in that,
Steps A 1) in, the rotating speed of described mix and blend is 1000 ~ 1300 turns/min, and the time of described mix and blend is 2 ~ 6 minutes;
Steps A 2) in, the rotating speed of described mix and blend is 1000 ~ 1300 turns/min, and the time of described mix and blend is 5 ~ 10 minutes.
4. production technique according to claim 1, is characterized in that, described white silica sand comprises 20 order white silica sands, 40 order white silica sands, 80 order white silica sands and 120 orders white silica sand.
5. production technique according to claim 4, is characterized in that, described step B) comprising:
B1) by described Preblend and kaolin mix and blend, then calcium hydroxide and anatase thpe white powder mix and blend is added;
B2) then add diatomite and sepiolite powder mix and blend, then add sepiolite cashmere and water-ground limestone mix and blend;
B3) finally add 120 order white silica sands and 80 orders white silica sand mix and blend, finally add 40 order white silica sands and 20 orders white silica sand mix and blend again, obtain coarse fodder diatom ooze powder.
6. production technique according to claim 5, is characterized in that, step B1) in, the rotating speed of described Preblend and kaolin mix and blend is 30 ~ 60 turns/min, and the time is 3 ~ 10 minutes; The described rotating speed adding calcium hydroxide and anatase thpe white powder mix and blend is 30 ~ 60 turns/min, and the time is 3 ~ 10 minutes;
Step B2) in, described in add diatomite and sepiolite powder mix and blend rotating speed be 30 ~ 60 turns/min, the time is 3 ~ 10 minutes; The described rotating speed adding sepiolite cashmere and water-ground limestone mix and blend is 30 ~ 60 turns/min, and the time is 3 ~ 10 minutes;
Step B3) in, described in add 120 orders white silica sands and 80 orders white silica sand mix and blend rotating speed be 30 ~ 60 turns/min, the time is 3 ~ 10min; The described rotating speed adding 40 order white silica sands and 20 orders white silica sand mix and blend is 30 ~ 60 turns/min, and the time is 5 ~ 20min.
7. production technique according to claim 1, is characterized in that, in step B) after, also comprise and add pigment, mix and blend in described coarse fodder diatom ooze powder.
8. the production technique of coarse fodder diatom ooze powder according to claim 1, is characterized in that, described coarse fodder diatom ooze powder comprises following component:
The diatomite of 18wt% ~ 24wt%;
The negative ion powder of 1wt% ~ 2wt%;
The kaolin of 4wt% ~ 6wt%;
The talcum powder of 6wt% ~ 8wt%;
The redispersable latex powder of 1wt% ~ 3wt%;
The attapulgite of 2wt% ~ 4wt%;
The composite additive of 1wt% ~ 4.5wt%, described composite additive comprises: the ether of cellulose of 2 ~ 4 weight parts, the wood fibre of 2 ~ 5 weight parts, the edible seaweed powder of 1 ~ 3 weight part, the dispersion agent of 2 ~ 6 weight parts;
The nano titanium oxide diatomite composite photocatalytic material of 1wt% ~ 3wt%;
The sepiolite powder of 4wt% ~ 6wt%;
The calcium hydroxide of 7wt% ~ 10wt%;
The water-ground limestone of 10wt% ~ 14wt%;
The anatase thpe white powder of 2wt% ~ 4wt%
The sepiolite cashmere of 5wt% ~ 7wt%
The white silica sand of 20wt% ~ 34wt%.
9. a coarse fodder diatom ooze powder, is characterized in that, comprises following component:
The diatomite of 18wt% ~ 24wt%;
The negative ion powder of 1wt% ~ 2wt%;
The kaolin of 4wt% ~ 6wt%;
The talcum powder of 6wt% ~ 8wt%;
The redispersable latex powder of 1wt% ~ 3wt%;
The attapulgite of 2wt% ~ 4wt%;
The composite additive of 1wt% ~ 4.5wt%, described composite additive comprises: the ether of cellulose of 2 ~ 4 weight parts, the wood fibre of 2 ~ 5 weight parts, the edible seaweed powder of 1 ~ 3 weight part, the dispersion agent of 2 ~ 6 weight parts;
The nano titanium oxide diatomite composite photocatalytic material of 1wt% ~ 3wt%;
The sepiolite powder of 4wt% ~ 6wt%;
The calcium hydroxide of 7wt% ~ 10wt%;
The water-ground limestone of 10wt% ~ 14wt%;
The anatase thpe white powder of 2wt% ~ 4wt%
The sepiolite cashmere of 5wt% ~ 7wt%
The white silica sand of 20wt% ~ 34wt%.
10. coarse fodder diatom ooze powder according to claim 9, it is characterized in that, described white silica sand comprise 6 ~ 10 mass parts 120 orders white silica sands, 4 ~ 7 mass parts 80 orders white silica sands, 4 ~ 7 mass parts 40 orders white silica sands and 6 ~ 10 mass parts 20 orders white silica sands.
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