CN108795221A - A kind of technique of ardealite and coal ash for manufacturing fireproof coating coproduction acid - Google Patents
A kind of technique of ardealite and coal ash for manufacturing fireproof coating coproduction acid Download PDFInfo
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- CN108795221A CN108795221A CN201810712514.8A CN201810712514A CN108795221A CN 108795221 A CN108795221 A CN 108795221A CN 201810712514 A CN201810712514 A CN 201810712514A CN 108795221 A CN108795221 A CN 108795221A
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D161/00—Coating compositions based on condensation polymers of aldehydes or ketones; Coating compositions based on derivatives of such polymers
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- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B17/00—Sulfur; Compounds thereof
- C01B17/69—Sulfur trioxide; Sulfuric acid
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- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/18—Fireproof paints including high temperature resistant paints
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- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
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- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
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Abstract
The present invention provides the techniques of a kind of ardealite and coal ash for manufacturing fireproof coating coproduction acid, include the following steps：Raw material are made in ardealite, flyash, additive and modifying agent mixed grinding, is sent into kiln and roasts to obtain clinker；Clinker is dissolved out, and is separated by solid-liquid separation；Isolated residue is obtained into sulfide through flotation；Sulfuric acid is made in sulfide processing；Isolated solution prepares aluminium oxide；Fireproof coating is made in aluminium oxide obtained and black clouds female powder, mullite powder, nano imvite, dimethyl phosphate, acrylic resin, amino resins, chlorinated rubber, urea phosphate, silane coupling agent, sorbierite, borax, vermiculite, semi-hydrated gypsum, graphite powder, titanium dioxide, organic-silicon-modified styrene-acrylic emulsion, cellulose ether, glass powder, butyl latex, prodan and wood fibre.The present invention, which has, prepares fireproof coating and relieving haperacidity is at low cost, and waste residue utilization rate is high, the excellent and simple for process feature of the fireproof coating comprehensive performance prepared using alumina powder.
Description
Technical field
The present invention relates to the techniques of a kind of ardealite and coal ash for manufacturing fireproof coating coproduction acid, belong to field of metallurgy and chemical engineering.
Background technology
Currently, fireproof coating is more and more extensive in the sector applications such as petrochemical industry, electric power, industry and civil buildings, machinery.
Fireproof coating is for flammable substrates surface, can reduce by the rapid sprawling of the combustibility of painting material surface, retardance fire, is used
To improve by a kind of sapecial coating of painting material fire endurance.A kind of fireproof coating of existing addition black clouds female powder has heat-insulated
Performance is good, bonding force is good, the fireproof coating of water-tolerant, resistance to acid and alkali, corrosion resistance, addition black clouds female powder not easily to fall off,
And it is amenable to the influence of low-temperature circulating, storage is stablized, asepsis environment-protecting, but preparing in raw material containing big in the fireproof coating
The alumina powder of amount, and the complex manufacturing technology of existing alumina powder, production cost are high, lead to alumina powder price, significantly
The production cost for increasing fireproof coating.
Ardealite refer in phosphoric acid production with sulfuric acid treating phosphorite when the solid slag that generates, main component is sulfuric acid
Calcium（CaSO4）, content generally can reach 70-90% or so.In addition, ardealite also contains plurality of impurities：Undecomposed phosphorus ore,
Phosphoric acid, calcirm-fluoride, iron, aluminium compound, acid non-soluble substance, organic matter of non-washes clean etc..Ardealite is discharged every year about in China
20000000 tons, add up nearly hundred million tons of discharge capacity.For utilization rate of the ardealite in terms of building materials less than 5%, a large amount of gypsum stacks occupy soil
Ground seriously pollutes environment.
China is a big coal country, using coal as power generation substantially fuel.The energy industry stable development in China, power generation
Ability annual growth is 7.3%, and the rapid development of power industry brings sharply increasing for flyash discharge capacity, Hazards in Power Plant
The flyash total amount discharged every year increases year by year, and nineteen ninety-five flyash discharge capacity is up to 1.25 hundred million tons, 2000 about 1.5 hundred million
Ton, was up to 300,000,000 tons, the development of the national economy and ecological environment to China cause huge pressure by 2010.
It is now currently, seldom for the technology of the comprehensive utilization of ardealite and flyash, it is substantially focused on building materials and paves the way
Etc. traditional fields, which results in the waste of a large amount of high value ingredients in ardealite and flyash, added value is very low.And by phosphorus stone
Cream and total utilization of PCA are come fireproof coating processed, while the technique of coproduction acid, have not been reported.
Goal of the invention
The object of the present invention is to provide the techniques of a kind of ardealite and coal ash for manufacturing fireproof coating coproduction acid.The present invention has
It preparing fireproof coating and relieving haperacidity is at low cost, waste residue utilization rate is high, and the fireproof coating comprehensive performance prepared using alumina powder is excellent, and
Feature simple for process.
Technical scheme of the present invention
A kind of technique of ardealite and coal ash for manufacturing fireproof coating coproduction acid, includes the following steps：
A, ardealite, flyash, additive and modifying agent are mixed and is ground and raw material are made, be sent into roasting in kiln, clinker is made；
B, clinker made from step A is dissolved out, and is separated by solid-liquid separation；
C, CO is added into solution isolated step B2It is no longer generated to white precipitate, it is clear after then filtering out white precipitate
Drying and calcination are washed, alumina powder is crushed to obtain；
D, dimethyl phosphate, acrylic resin, amino resins, chlorinated rubber, silane coupling agent, sorbierite, organic-silicon-modified is taken
Styrene-acrylic emulsion, cellulose ether, butyl latex, prodan stir 10-15min under 1000-1300 revs/min and be uniformly mixed,
Sequentially add black clouds female powder, mullite powder, nano imvite, urea phosphate, alumina powder, borax, leech made from step C
Stone, semi-hydrated gypsum, graphite powder, titanium dioxide stir 30-35min under 2000-2500 revs/min, develop fineness extremely after mixing
It after 50-60um, adds glass powder and wood fibre, 30-35min is stirred under 600-800 revs/min, disperse after stirring evenly to obtain the final product
Fireproof coating；
E, by residue isolated step B through flotation, sulfide is detached to obtain；
F, the step E sulfide isolated is placed under the oxygen-enriched environment of 30-50%, 3-5h is roasted at 800-1200 DEG C, roasted
The flue gas of generation is absorbed using the concentrated sulfuric acid after vanadic anhydride catalysis reaction, sulfuric acid is made.
In the technique of ardealite and coal ash for manufacturing fireproof coating coproduction acid above-mentioned, in step A, the additive is carbonic acid
Sodium, sodium sulphate or caustic soda；The modifying agent is anthracite, carbon or gangue.
In the technique of ardealite and coal ash for manufacturing fireproof coating coproduction acid above-mentioned, in step A, in the raw material, phosphorus
Gypsum and flyash are according to 1:The ratio of 0.6-1.9 weight ratios mixes, and additive adding proportion presses contained Na in raw material2O and
A12O3+Fe2O3The molecular proportion of summation is 1:1 addition, the mixed proportion of modifying agent are the 10-25% of raw material total weight.
In the technique of ardealite and coal ash for manufacturing fireproof coating coproduction acid above-mentioned, in step A, the kiln is that industry is turned round
Kiln, Industry Tunnel Kiln or industrial shaft kiln.
It is in temperature 1000- in step A in the technique of ardealite and coal ash for manufacturing fireproof coating coproduction acid above-mentioned
Roasting time 1-2h at 1350 DEG C.
In the technique of ardealite and coal ash for manufacturing fireproof coating coproduction acid above-mentioned, in step B, after clinker elder generation water mill
Dissolution；It is 3-6 that liquid when dissolution, which consolidates volume ratio,:1.
In the technique of ardealite and coal ash for manufacturing fireproof coating coproduction acid above-mentioned, dissolved out after clinker elder generation water mill；It is molten
It is 4-6 that liquid when going out, which consolidates volume ratio,:1.
In the technique of ardealite and coal ash for manufacturing fireproof coating coproduction acid above-mentioned, in step C, calcination is in temperature 800-
Calcination time 3-5h at 1200 DEG C.
It is by weight, described in step D in the technique of ardealite and coal ash for manufacturing fireproof coating coproduction acid above-mentioned
Fireproof coating includes 10-15 parts of alumina powder, 10-15 parts of black clouds female powder, 5-7 parts of mullite powder, 5-10 parts of nano imvite, phosphorus
3-5 parts of dimethyl phthalate, 10-13 parts of acrylic resin, 25-30 parts of amino resins, 2-4 parts of chlorinated rubber, 2-3 parts of urea phosphate,
1-3 parts of silane coupling agent, 5-6 parts of sorbierite, 3-5 parts of borax, 8-10 parts of vermiculite, 3-4 parts of semi-hydrated gypsum, 3-5 parts of graphite powder, titanium
2-3 parts of white powder, 8-13 parts organic-silicon-modified of styrene-acrylic emulsion, 5-6 parts of cellulose ether, 2-3 parts of glass powder, 6-8 parts of butyl latex,
3-5 parts of 2-3 parts of prodan and wood fibre.
In the technique of ardealite and coal ash for manufacturing fireproof coating coproduction acid above-mentioned, by weight, the fireproof coating
Including 10-13 parts of alumina powder, 12-15 parts of black clouds female powder, 5-6 parts of mullite powder, 8-10 parts of nano imvite, dimethyl phosphate
3-5 parts, it is 10-12 parts of acrylic resin, 25-28 parts of amino resins, 2-4 parts of chlorinated rubber, 2-3 parts of urea phosphate, silane coupled
1-2 parts of agent, 5-6 parts of sorbierite, 3-5 parts of borax, 8-9 parts of vermiculite, 3-4 parts of semi-hydrated gypsum, 3-4 parts of graphite powder, titanium dioxide 2-3
Part, 8-10 parts organic-silicon-modified of styrene-acrylic emulsion, 5-6 parts of cellulose ether, 2-3 parts of glass powder, 6-7 parts of butyl latex, fluosilicic acid
3-4 parts of 2-3 parts of sodium and wood fibre.
The present invention is by by ardealite and flyash reaction, recombination, making utility.The net reaction of principle
For：
CaSO4（Ardealite）+ Na2O·SiO2·Al2O3（Flyash）→ Na2O·Al2O3 + CaO·SiO2↓+[sulphur]
From the reaction equation it is found that with the SiO in the CaO and flyash in ardealite2Generate calcium orthosilicate（ CaO·SiO2↓）
Afterwards, soluble fabulous sodium aluminate is obtained（Na2O·Al2O3）.[sulphur] in reaction equation refers to by raw material doping and changing
Property agent technique, the metal sulfide of generation；After leaching the sodium aluminate in clinker, obtained sediment flotation be can be obtained into metal
Sulfide.
Advantageous effect
1, the present invention and is added after additive and modifying agent by using ardealite and flyash as raw material, in high temperature roasting
The clinker of main silicate-containing, aluminate and sulfide is obtained under the technique of burning, and the main component of the aluminate is sodium aluminate,
By sodium aluminate it is water-soluble go out after may be recovered, and after solid residue flotation, obtain sulfide, sulphur prepared using sulfide
Acid,
Aluminium oxide is prepared by the sodium aluminate of recycling, aluminium oxide and other raw materials are prepared into fireproof coating, due in entire technique
Mainly using ardealite and flyash as raw material, adds other a small amount of substances and therefore greatly reduce relieving haperacidity and fireproof coating
Cost input.The utilization rate for also greatly increasing ardealite and fine coal waste slag, to alleviate ardealite and flyash to environment
Pollution have important contribution.
2, the present invention by raw material by roasting after, obtained ingredient is clearly demarcated, aluminium mainly with aluminic acid na form exist, profit
The characteristic of water is highly soluble in sodium aluminate, can be simple and quick be isolated and be used to prepare aluminium oxide, by aluminium oxide with it is other
Raw material prepares fireproof coating, and fireproof coating comprehensive performance is excellent, and fireproof coating is at low cost.
3, the present invention obtains after the solid residue flotation in technique sulfide, sulfuric acid, relieving haperacidity is prepared using sulfide
Cost it is low, acid-making process is simple.
Further to prove that the effect of the present invention, inventor have done following detection.
1, the detection of fireproof coating
Inventor carries out performance detection to the fireproof coating in following five groups of embodiments respectively, and testing result is shown in Table 1；
It is obtained by 1 fireproof coating testing result table analysis of the present invention of table, fireproof coating of the present invention has fire insulation performance
It is good, bonding force is good, water-tolerant, resistance to acid and alkali, corrosion resistance, advantage not easily to fall off, fireproof coating of the present invention it is comprehensive
It can be excellent.
Specific implementation mode
With reference to embodiment, the present invention is further illustrated, but is not intended as the foundation limited the present invention.
The embodiment of the present invention
Embodiment 1：A kind of technique of ardealite and coal ash for manufacturing fireproof coating coproduction acid, steps are as follows：
A, ardealite, flyash, sodium carbonate and anthracite are mixed and is ground and raw material are made, be sent into industrial rotary kiln in temperature
Clinker is made in roasting time 1.5h at 1000 DEG C；Wherein, ardealite and flyash are according to 1:The ratio of 0.6 weight ratio mixes, carbon
Sour sodium adding proportion presses contained Na in raw material2O and A12O3+Fe2O3The molecular proportion of summation is 1:1 addition, anthracitic mixed proportion
It is the 10% of raw material total weight；
B, clinker made from step A is consolidated into volume ratio as 4 with liquid:1 carries out water mill dissolution, and is separated by solid-liquid separation；
C, by residue isolated step B through flotation, sulfide is detached to obtain；
D, the step C sulfide isolated is placed under 30% oxygen-enriched environment, 5h is roasted at 800 DEG C, roast the flue gas of generation
After vanadic anhydride catalysis reaction, is absorbed using the concentrated sulfuric acid, sulfuric acid is made；
E, CO is added into solution isolated step B2It is no longer generated to white precipitate, it is clear after then filtering out white precipitate
Drying is washed, alumina powder is crushed to obtain after calcination time 5h at 800 DEG C of temperature；
F, dimethyl phosphate, acrylic resin, amino resins, chlorinated rubber, silane coupling agent, sorbierite, organic-silicon-modified is taken
Styrene-acrylic emulsion, cellulose ether, butyl latex, prodan stir 10min under 1000 revs/min and be uniformly mixed, then successively plus
Enter black clouds female powder, mullite powder, nano imvite, urea phosphate, alumina powder, borax, vermiculite, half water stone made from step E
Cream, graphite powder, titanium dioxide stir 30min under 2000 revs/min, after developing fineness to 50-60um after mixing, add glass
Glass powder and wood fibre, stir 30min under 600 revs/min, and dispersion stirs evenly rear up to fireproof coating；Wherein by weight, institute
It includes 10 parts of alumina powder, 12 parts of black clouds female powder, 5 parts of mullite powder, 8 parts of nano imvite, dimethyl phosphate 3 to state fireproof coating
Part, 10 parts of acrylic resin, 25 parts of amino resins, 2 parts of chlorinated rubber, 2 parts of urea phosphate, 1 part of silane coupling agent, sorbierite 5
Part, 3 parts of borax, 8 parts of vermiculite, 3 parts of semi-hydrated gypsum, 3 parts of graphite powder, 2 parts of titanium dioxide, 8 parts organic-silicon-modified of styrene-acrylic emulsion, fibre
3 parts of plain 5 parts of the ether of dimension, 2 parts of glass powder, 6 parts of butyl latex, 2 parts of prodan and wood fibre.
Embodiment 2：A kind of technique of ardealite and coal ash for manufacturing fireproof coating coproduction acid, steps are as follows：
A, ardealite, flyash, sodium sulphate and carbon are mixed and is ground and raw material are made, be sent into industrial rotary kiln in temperature 1200
Clinker is made in roasting time 2h at DEG C；Wherein, ardealite and flyash are according to 1:The ratio of 0.9 weight ratio mixes, caustic soda addition
Ratio presses contained Na in raw material2O and A12O3+Fe2O3The molecular proportion of summation is 1:The mixed proportion of 1.2 additions, carbon is raw material gross weight
The 15% of amount；
B, clinker made from step A is consolidated into volume ratio as 5 with liquid:1 carries out water mill dissolution, and is separated by solid-liquid separation；
C, by residue isolated step B through flotation, sulfide is detached to obtain；
D, the step C sulfide isolated is placed under 35% oxygen-enriched environment, 4h is roasted at 900 DEG C, roast the flue gas of generation
After vanadic anhydride catalysis reaction, is absorbed using the concentrated sulfuric acid, sulfuric acid is made；
E, CO is added into solution isolated step B2It is no longer generated to white precipitate, it is clear after then filtering out white precipitate
Drying is washed, alumina powder is crushed to obtain after calcination time 4h at 1000 DEG C of temperature；
F, dimethyl phosphate, acrylic resin, amino resins, chlorinated rubber, silane coupling agent, sorbierite, organic-silicon-modified is taken
Styrene-acrylic emulsion, cellulose ether, butyl latex, prodan stir 12min under 1100 revs/min and be uniformly mixed, then successively plus
Enter black clouds female powder, mullite powder, nano imvite, urea phosphate, alumina powder, borax, vermiculite, half water stone made from step E
Cream, graphite powder, titanium dioxide stir 33min under 2200 revs/min, after developing fineness to 50-60um after mixing, add glass
Glass powder and wood fibre, stir 33min under 700 revs/min, and dispersion stirs evenly rear up to fireproof coating；Wherein by weight, institute
It includes 11 parts of alumina powder, 13 parts of black clouds female powder, 6 parts of mullite powder, 9 parts of nano imvite, dimethyl phosphate 3 to state fireproof coating
Part, 11 parts of acrylic resin, 25 parts of amino resins, 2 parts of chlorinated rubber, 2 parts of urea phosphate, 1 part of silane coupling agent, sorbierite 5
Part, 4 parts of borax, 8 parts of vermiculite, 3 parts of semi-hydrated gypsum, 3 parts of graphite powder, 3 parts of titanium dioxide, 9 parts organic-silicon-modified of styrene-acrylic emulsion, fibre
4 parts of plain 5 parts of the ether of dimension, 2 parts of glass powder, 7 parts of butyl latex, 2 parts of prodan and wood fibre.
Embodiment 3：A kind of technique of ardealite and coal ash for manufacturing fireproof coating coproduction acid, steps are as follows：
A, ardealite, flyash, caustic soda and gangue are mixed and is ground and raw material are made, be sent into industrial rotary kiln in temperature
Clinker is made in roasting time 1.5h at 1300 DEG C；Wherein, ardealite and flyash are according to 1:The ratio of 1.3 weight ratios mixes, carbon
Sour sodium adding proportion presses contained Na in raw material2O and A12O3+Fe2O3The molecular proportion of summation is 1:1 addition, the mixed proportion of gangue
It is the 20% of raw material total weight；
B, clinker made from step A is consolidated into volume ratio as 6 with liquid:1 carries out water mill dissolution, and is separated by solid-liquid separation；
C, by residue isolated step B through flotation, sulfide is detached to obtain；
D, the step C sulfide isolated is placed under 45% oxygen-enriched environment, 3h is roasted at 1000 DEG C, roast the cigarette of generation
Gas is absorbed using the concentrated sulfuric acid after vanadic anhydride catalysis reaction, sulfuric acid is made；
E, CO is added into solution isolated step B2It is no longer generated to white precipitate, it is clear after then filtering out white precipitate
Drying is washed, alumina powder is crushed to obtain after calcination time 3h at 1100 DEG C of temperature；
F, dimethyl phosphate, acrylic resin, amino resins, chlorinated rubber, silane coupling agent, sorbierite, organic-silicon-modified is taken
Styrene-acrylic emulsion, cellulose ether, butyl latex, prodan stir 13min under 1200 revs/min and be uniformly mixed, then successively plus
Enter black clouds female powder, mullite powder, nano imvite, urea phosphate, alumina powder, borax, vermiculite, half water stone made from step E
Cream, graphite powder, titanium dioxide stir 34min under 2400 revs/min, after developing fineness to 50-60um after mixing, add glass
Glass powder and wood fibre, stir 34min under 800 revs/min, and dispersion stirs evenly rear up to fireproof coating；Wherein by weight, institute
It includes 12 parts of alumina powder, 15 parts of black clouds female powder, 6 parts of mullite powder, 8 parts of nano imvite, dimethyl phosphate 4 to state fireproof coating
Part, 11 parts of acrylic resin, 26 parts of amino resins, 3 parts of chlorinated rubber, 2 parts of urea phosphate, 2 parts of silane coupling agent, sorbierite 5
Part, 4 parts of borax, 9 parts of vermiculite, 3 parts of semi-hydrated gypsum, 4 parts of graphite powder, 3 parts of titanium dioxide, 9 parts organic-silicon-modified of styrene-acrylic emulsion, fibre
4 parts of plain 6 parts of the ether of dimension, 2 parts of glass powder, 7 parts of butyl latex, 2 parts of prodan and wood fibre.
Embodiment 4：A kind of technique of ardealite and coal ash for manufacturing fireproof coating coproduction acid, steps are as follows：
A, ardealite, flyash, sodium carbonate and gangue are mixed and is ground and raw material are made, be sent into industrial rotary kiln in temperature
Clinker is made in roasting time 1h at 1350 DEG C；Wherein, ardealite and flyash are according to 1:The ratio of 1.6 weight ratios mixes, caustic soda
Adding proportion presses contained Na in raw material2O and A12O3+Fe2O3The molecular proportion of summation is 1:1 addition, the mixed proportion of gangue are made a living
Expect the 25% of total weight；
B, clinker made from step A is consolidated into volume ratio as 5 with liquid:1 carries out water mill dissolution, and is separated by solid-liquid separation；
C, by residue isolated step B through flotation, sulfide is detached to obtain；
D, the step C sulfide isolated is placed under 45% oxygen-enriched environment, 3h is roasted at 1200 DEG C, roast the cigarette of generation
Gas is absorbed using the concentrated sulfuric acid after vanadic anhydride catalysis reaction, sulfuric acid is made；
E, CO is added into solution isolated step B2It is no longer generated to white precipitate, it is clear after then filtering out white precipitate
Drying is washed, alumina powder is crushed to obtain after calcination time 3h at 1200 DEG C of temperature；
F, dimethyl phosphate, acrylic resin, amino resins, chlorinated rubber, silane coupling agent, sorbierite, organic-silicon-modified is taken
Styrene-acrylic emulsion, cellulose ether, butyl latex, prodan stir 10min under 1300 revs/min and be uniformly mixed, then successively plus
Enter black clouds female powder, mullite powder, nano imvite, urea phosphate, alumina powder, borax, vermiculite, half water stone made from step E
Cream, graphite powder, titanium dioxide stir 30min under 2500 revs/min, after developing fineness to 50-60um after mixing, add glass
Glass powder and wood fibre, stir 30min under 800 revs/min, and dispersion stirs evenly rear up to fireproof coating；Wherein by weight, institute
It includes 10 parts of alumina powder, 14 parts of black clouds female powder, 6 parts of mullite powder, 8 parts of nano imvite, dimethyl phosphate 4 to state fireproof coating
Part, 11 parts of acrylic resin, 26 parts of amino resins, 4 parts of chlorinated rubber, 3 parts of urea phosphate, 2 parts of silane coupling agent, sorbierite 6
Part, 5 parts of borax, 9 parts of vermiculite, 4 parts of semi-hydrated gypsum, 4 parts of graphite powder, 3 parts of titanium dioxide, 9 parts organic-silicon-modified of styrene-acrylic emulsion, fibre
4 parts of plain 6 parts of the ether of dimension, 3 parts of glass powder, 7 parts of butyl latex, 2 parts of prodan and wood fibre.
Embodiment 5：A kind of technique of ardealite and coal ash for manufacturing fireproof coating coproduction acid, steps are as follows：
A, ardealite, flyash, sodium sulphate and anthracite are mixed and is ground and raw material are made, be sent into industrial rotary kiln in temperature
Clinker is made in roasting time 2h at 1200 DEG C；Wherein, ardealite and flyash are according to 1:The ratio of 1.9 weight ratios mixes, caustic soda
Adding proportion presses contained Na in raw material2O and A12O3+Fe2O3The molecular proportion of summation is 1:1 addition, anthracitic mixed proportion are made a living
Expect the 20% of total weight；
B, clinker made from step A is consolidated into volume ratio as 4 with liquid:1 carries out water mill dissolution, and is separated by solid-liquid separation；
C, by residue isolated step B through flotation, sulfide is detached to obtain；
D, the step C sulfide isolated is placed under 50% oxygen-enriched environment, 4h is roasted at 1100 DEG C, roast the cigarette of generation
Gas is absorbed using the concentrated sulfuric acid after vanadic anhydride catalysis reaction, sulfuric acid is made；
E, CO is added into solution isolated step B2It is no longer generated to white precipitate, it is clear after then filtering out white precipitate
Drying is washed, alumina powder is crushed to obtain after calcination time 5h at 1200 DEG C of temperature；
F, dimethyl phosphate, acrylic resin, amino resins, chlorinated rubber, silane coupling agent, sorbierite, organic-silicon-modified is taken
Styrene-acrylic emulsion, cellulose ether, butyl latex, prodan stir 15min under 1300 revs/min and be uniformly mixed, then successively plus
Enter black clouds female powder, mullite powder, nano imvite, urea phosphate, alumina powder, borax, vermiculite, half water stone made from step E
Cream, graphite powder, titanium dioxide stir 35min under 2500 revs/min, after developing fineness to 50-60um after mixing, add glass
Glass powder and wood fibre, stir 35min under 800 revs/min, and dispersion stirs evenly rear up to fireproof coating；Wherein by weight, institute
It includes 13 parts of alumina powder, 15 parts of black clouds female powder, 6 parts of mullite powder, 10 parts of nano imvite, dimethyl phosphate to state fireproof coating
5 parts, 12 parts of acrylic resin, 28 parts of amino resins, 4 parts of chlorinated rubber, 3 parts of urea phosphate, 2 parts of silane coupling agent, sorbierite 6
Part, 5 parts of borax, 9 parts of vermiculite, 4 parts of semi-hydrated gypsum, 4 parts of graphite powder, 3 parts of titanium dioxide, 10 parts organic-silicon-modified of styrene-acrylic emulsion,
4 parts of 6 parts of cellulose ether, 3 parts of glass powder, 7 parts of butyl latex, 3 parts of prodan and wood fibre.
Claims (10)
1. the technique of a kind of ardealite and coal ash for manufacturing fireproof coating coproduction acid, which is characterized in that include the following steps：
A, ardealite, flyash, additive and modifying agent are mixed and is ground and raw material are made, be sent into roasting in kiln, clinker is made；
B, clinker made from step A is dissolved out, and is separated by solid-liquid separation；
C, CO is added into solution isolated step B2It is no longer generated to white precipitate, it is clear after then filtering out white precipitate
Drying and calcination are washed, alumina powder is crushed to obtain；
D, dimethyl phosphate, acrylic resin, amino resins, chlorinated rubber, silane coupling agent, sorbierite, organic-silicon-modified is taken
Styrene-acrylic emulsion, cellulose ether, butyl latex, prodan stir 10-15min under 1000-1300 revs/min and be uniformly mixed,
Sequentially add black clouds female powder, mullite powder, nano imvite, urea phosphate, alumina powder, borax, leech made from step C
Stone, semi-hydrated gypsum, graphite powder, titanium dioxide stir 30-35min under 2000-2500 revs/min, develop fineness extremely after mixing
It after 50-60um, adds glass powder and wood fibre, 30-35min is stirred under 600-800 revs/min, disperse after stirring evenly to obtain the final product
Fireproof coating；
E, by residue isolated step B through flotation, sulfide is detached to obtain；
F, the step E sulfide isolated is placed under the oxygen-enriched environment of 30-50%, 3-5h is roasted at 800-1200 DEG C, roasted
The flue gas of generation is absorbed using the concentrated sulfuric acid after vanadic anhydride catalysis reaction, sulfuric acid is made.
2. the technique of ardealite according to claim 1 and coal ash for manufacturing fireproof coating coproduction acid, it is characterised in that：Step
In A, the additive is sodium carbonate, sodium sulphate or caustic soda；The modifying agent is anthracite, carbon or gangue.
3. the technique of ardealite according to claim 1 and coal ash for manufacturing fireproof coating coproduction acid, it is characterised in that：Step
In A, in the raw material, ardealite and flyash are according to 1:The ratio of 0.6-1.9 weight ratios mixes, and additive adding proportion is pressed
Contained Na in raw material2O and A12O3+Fe2O3The molecular proportion of summation is 1:The mixed proportion of 1 addition, modifying agent is raw material total weight
10-25%。
4. the technique of ardealite according to claim 1 and coal ash for manufacturing fireproof coating coproduction acid, it is characterised in that：Step
In A, the kiln is industrial rotary kiln, Industry Tunnel Kiln or industrial shaft kiln.
5. the technique of ardealite according to claim 1 and coal ash for manufacturing fireproof coating coproduction acid, it is characterised in that：Step
It is the roasting time 1-2h at 1000-1350 DEG C of temperature in A.
6. the technique of ardealite according to claim 1 and coal ash for manufacturing fireproof coating coproduction acid, it is characterised in that：Step
In B, dissolved out after clinker elder generation water mill；It is 3-6 that liquid when dissolution, which consolidates volume ratio,:1.
7. the technique of ardealite according to claim 6 and coal ash for manufacturing fireproof coating coproduction acid, it is characterised in that：It is described
It is dissolved out after clinker elder generation water mill；It is 4-6 that liquid when dissolution, which consolidates volume ratio,:1.
8. the technique of ardealite according to claim 1 and coal ash for manufacturing fireproof coating coproduction acid, it is characterised in that：Step
In C, calcination is the calcination time 3-5h at 800-1200 DEG C of temperature.
9. the technique of ardealite according to claim 1 and coal ash for manufacturing fireproof coating coproduction acid, it is characterised in that：Step
In D, by weight, the fireproof coating include 10-15 parts of alumina powder, 10-15 parts of black clouds female powder, 5-7 parts of mullite powder,
5-10 parts of nano imvite, 3-5 parts of dimethyl phosphate, 10-13 parts of acrylic resin, 25-30 parts of amino resins, chlorinated rubber 2-
4 parts, 2-3 parts of urea phosphate, 1-3 parts of silane coupling agent, 5-6 parts of sorbierite, 3-5 parts of borax, 8-10 parts of vermiculite, semi-hydrated gypsum 3-
4 parts, 3-5 parts of graphite powder, 2-3 parts of titanium dioxide, 8-13 parts organic-silicon-modified of styrene-acrylic emulsion, 5-6 parts of cellulose ether, glass powder 2-
3-5 parts of 3 parts, 6-8 parts of butyl latex, 2-3 parts of prodan and wood fibre.
10. the technique of ardealite according to claim 9 and coal ash for manufacturing fireproof coating coproduction acid, it is characterised in that：It presses
Parts by weight meter, the fireproof coating include 10-13 parts of alumina powder, and 12-15 parts of black clouds female powder, 5-6 parts of mullite powder, nanometer are covered
De- 8-10 parts of soil, 3-5 parts of dimethyl phosphate, 10-12 parts of acrylic resin, 25-28 parts of amino resins, 2-4 parts of chlorinated rubber, phosphorus
2-3 parts of uraturia element, 1-2 parts of silane coupling agent, 5-6 parts of sorbierite, 3-5 parts of borax, 8-9 parts of vermiculite, 3-4 parts of semi-hydrated gypsum, stone
3-4 parts of ink powder, 2-3 parts of titanium dioxide, 8-10 parts organic-silicon-modified of styrene-acrylic emulsion, 5-6 parts of cellulose ether, 2-3 parts of glass powder, fourth
3-4 parts of 6-7 parts of base latex, 2-3 parts of prodan and wood fibre.
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| CN111421653A (en) * | 2020-03-30 | 2020-07-17 | 梦牌新材料(宣城)有限公司 | Production process of multifunctional thistle board |
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