CN103936130B - A kind of economy, the preparation of environment-friendly degradable lacquer mist coagulant and application thereof - Google Patents
A kind of economy, the preparation of environment-friendly degradable lacquer mist coagulant and application thereof Download PDFInfo
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- CN103936130B CN103936130B CN201310027163.4A CN201310027163A CN103936130B CN 103936130 B CN103936130 B CN 103936130B CN 201310027163 A CN201310027163 A CN 201310027163A CN 103936130 B CN103936130 B CN 103936130B
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- 239000004922 lacquer Substances 0.000 title claims abstract description 33
- 239000003595 mist Substances 0.000 title claims abstract description 33
- 239000000701 coagulant Substances 0.000 title claims abstract description 32
- 238000002360 preparation method Methods 0.000 title claims abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 58
- 229920002472 Starch Polymers 0.000 claims abstract description 53
- 235000019698 starch Nutrition 0.000 claims abstract description 53
- 239000008107 starch Substances 0.000 claims abstract description 53
- 125000002091 cationic group Chemical group 0.000 claims abstract description 33
- 229920000881 Modified starch Polymers 0.000 claims abstract description 31
- 239000004368 Modified starch Substances 0.000 claims abstract description 31
- 235000019426 modified starch Nutrition 0.000 claims abstract description 31
- 239000002994 raw material Substances 0.000 claims abstract description 25
- 239000003973 paint Substances 0.000 claims abstract description 20
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- 238000003756 stirring Methods 0.000 claims description 56
- 229920000642 polymer Polymers 0.000 claims description 45
- 239000007864 aqueous solution Substances 0.000 claims description 38
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- 235000020679 tap water Nutrition 0.000 claims description 37
- 239000000243 solution Substances 0.000 claims description 20
- 238000013461 design Methods 0.000 claims description 19
- 238000007599 discharging Methods 0.000 claims description 19
- 239000008394 flocculating agent Substances 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 11
- 210000000582 semen Anatomy 0.000 claims description 9
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 6
- 229910052782 aluminium Inorganic materials 0.000 claims description 6
- 239000007921 spray Substances 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 4
- BNGXYYYYKUGPPF-UHFFFAOYSA-M (3-methylphenyl)methyl-triphenylphosphanium;chloride Chemical compound [Cl-].CC1=CC=CC(C[P+](C=2C=CC=CC=2)(C=2C=CC=CC=2)C=2C=CC=CC=2)=C1 BNGXYYYYKUGPPF-UHFFFAOYSA-M 0.000 claims description 3
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 3
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 3
- 235000007164 Oryza sativa Nutrition 0.000 claims description 3
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 3
- 239000004411 aluminium Substances 0.000 claims description 3
- 229910052791 calcium Inorganic materials 0.000 claims description 3
- 239000011575 calcium Substances 0.000 claims description 3
- 229910052749 magnesium Inorganic materials 0.000 claims description 3
- 239000011777 magnesium Substances 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 229920002401 polyacrylamide Polymers 0.000 claims description 3
- 235000009566 rice Nutrition 0.000 claims description 3
- 229910052725 zinc Inorganic materials 0.000 claims description 3
- 239000011701 zinc Substances 0.000 claims description 3
- 230000007613 environmental effect Effects 0.000 claims description 2
- 238000006116 polymerization reaction Methods 0.000 claims description 2
- -1 slaine Polymers 0.000 claims description 2
- 241000209094 Oryza Species 0.000 claims 2
- 238000006243 chemical reaction Methods 0.000 claims 2
- 150000001768 cations Chemical class 0.000 claims 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims 1
- 239000010931 gold Substances 0.000 claims 1
- 229910052737 gold Inorganic materials 0.000 claims 1
- 150000003839 salts Chemical class 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 8
- 239000000463 material Substances 0.000 abstract description 2
- 229920005989 resin Polymers 0.000 abstract description 2
- 239000011347 resin Substances 0.000 abstract description 2
- 101000623895 Bos taurus Mucin-15 Proteins 0.000 description 48
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
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- 238000012545 processing Methods 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 2
- 229910000278 bentonite Inorganic materials 0.000 description 2
- 239000000440 bentonite Substances 0.000 description 2
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
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- 239000002904 solvent Substances 0.000 description 2
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- 235000013877 carbamide Nutrition 0.000 description 1
- 239000004202 carbamide Substances 0.000 description 1
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- 230000003311 flocculating effect Effects 0.000 description 1
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- 150000003672 ureas Chemical class 0.000 description 1
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- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The invention provides a kind of economy, environment-friendly degradable lacquer mist coagulant, the raw material that the present invention uses is a kind of cationic modified starch (its substitution value is between 1.0～2.5), the base starch of this starch is native starch, not only draw materials easily, cheap, also there is biodegradability, environment will not be caused secondary pollution.This lacquer mist coagulant can make the paint of different resins type inharmonious, has preferable broad spectrum activity.Present invention simultaneously provides the preparation method of this lacquer mist coagulant.The lacquer mist coagulant of the present invention is applied in wet type paint removal mist system circulating water treatment.
Description
Technical field:
The present invention relates to a kind of economy, the preparation of environment-friendly degradable lacquer mist coagulant and application thereof, particularly relate to a kind of mistake that can make in paint line recirculated water and spray paint the most inharmonious lacquer mist coagulant and preparation method thereof.Product have the feature that of the present invention is that economy, environmental protection, production technology are simple.Belong to industrial waste water treatment.
Background technology:
When Painting Shop operation, generally have paint not greatly to be coated with to install on workpiece, become overspray paint, accumulate over a long period, these mistakes relatively glued spray paint convergence collection on wall, top board and the bottom of spraying area, can adhere at the bottom of equipment surface, heaping groove, block circulating line, nozzle etc., if things go on like this, the not only air around severe contamination and environment, also can affect the treatment effect of equipment, increase the maintenance cost of equipment.For improving painting operation environment, the utilization rate of raising recirculated water, it should specifically processing the paint crossing spraying, at present, two kinds of conventional methods are mechanical curettage method and lacquer mist coagulant method.And for painting tough paint, lacquer mist coagulant method has showed bigger advantage.So-called lacquer mist coagulant method refers to add a kind of medicament in water circulation system, can by the viscous fracture of paint particle, thus reach to paint inharmonious effect.
At present, conventional lacquer mist coagulant specifically includes that carbamide class, inorganic, organic polymer species, bentonite, tannin, chitosan.Carbamide polymer production low cost, technique are simple, recirculated water is crossed the inharmonious effective of discharge rate paint, are therefore widely used as a kind of coating cloud agglutinant, but owing to the shortcoming of this series products is the free formaldehyde containing excess.Because formaldehyde is a kind of potential carcinogen, the health of serious harm human body, the most many countries the most gradually start to prohibit the use of；Inorganic, organic polymer species water treatment agent, although water is processed and has certain treatment effect, but itself does not have biodegradable, can increase the content of COD in water body, BOD etc., and water body causes serious secondary pollution；The lacquer mist coagulant become for Raw material processing with bentonite, although there is certain biodegradability, but raw material is mainly by external import, and price is higher, thus add the cost processing waste water, economical not.
U.S. Patent number US2010/0326923A1, it describes inharmonious dose that the impact of a kind of high performance environments is few, this patent employs a kind of biodegradable raw material, this raw material is substitution value cationic starch between 0.01～1.0, the manufacturing process of its patented product is by certain density for cationic starch furnishing liquid, and must be added to a kind of acid and be diluted, the pH of regulation starch solution, between 5.5～6.0, adds some slaines etc. afterwards.Starch, is a kind of polysaccharide carbohydrate, is derived mainly from some green plantss, is Renewable resource in.
It is an object of the invention to overcome the shortcoming of above-mentioned prior art, what it had is mainly characterized by:
1, the raw material that the present invention uses is a kind of cationic modified starch, and the base starch of this starch is native starch, has biodegradability, environment will not be caused secondary pollution.
2, the cationic modified starch that the present invention uses need to contain enough cationic charges, and substitution value scope is 1.0～2.5.
3, used in the present invention day ion modification starch base starch draw materials easily, price economy, thus reduce production cost.
4, the production technology of the present invention is simple, energy consumption is little.
5, the present invention can make the solvent lacquer of different resins type and water-based paints inharmonious, has preferable broad spectrum activity.
Summary of the invention:
It is an object of the invention to provide a kind of has the most inharmonious, the economic and environment-friendly degradability lacquer mist coagulant of cohesion to solvent borne, water paint.
The present invention also aims to provide the preparation method of this lacquer mist coagulant.
The present invention also aims to the application process providing this lacquer mist coagulant in Painting Shop recirculated water.
The lacquer mist coagulant of the present invention is that primary raw material forms by the cationic modified starch of biodegradable, slaine, polymer.
Cationic modified starch in the present invention, its substitution value is in the range of between 1.0～2.5.
Cationic modified starch in the present invention, its base starch can be derived from but be not limited to Semen Tritici aestivi, Semen Maydis, Rhizoma Solani tuber osi, rice, Rhizoma Dioscoreae esculentae, Maninot esculenta crantz. and Semen phaseoli radiati etc..
Slaine in the present invention can be but not limited to aluminum, zinc, ferrum, calcium, magnesium etc..
Polymer in the present invention can be but not limited to aluminium polychlorid, polymerization aluminum nitrate and polyacrylamide etc..
The one economic and environment-friendly degradability lacquer mist coagulant of the present invention is a kind of colourless or light yellow translucent thick liquid.
The present invention can use as one-pack type lacquer mist coagulant, it is possible to coordinates some flocculant to use.
The preparation method of a kind of economic and environment-friendly degradability lacquer mist coagulant of the present invention comprises the following steps that:
There-necked flask adds and accounts for flocculating agent quality 86.0～the tap water of 97.0%, be placed in thermostat water bath and be stirred；
Add and account for flocculating agent quality 2.0～the cationic modified starch of 10.0%, continue stirring and make starch be thoroughly dispersed in water；
Open the switch of thermostat water bath, temperature is set between 70～90 DEG C and heats；
Timing after temperature rises to design temperature and stablizes, makes starch solution in there-necked flask react 30～60 minutes, obtains components I；
Add in components I and account for flocculating agent quality 0.5～the slaine of 2.0%, continue stirring, make slaine be thoroughly mixed with components I, obtain composition-；
Add in composition- account for flocculating agent quality 0.5～2.0%, concentration be the aqueous solutions of polymers of 0.5%, continue stirring, make aqueous solutions of polymers be thoroughly mixed with composition-, discharging, be product.
A kind of lacquer mist coagulant of the present invention is applied in wet type paint spray booth circular water treating system.
A kind of lacquer mist coagulant of the present invention in use can as single dose or and organic polymer coargulator with the use of, inharmonious de-steady coating cloud can be helped to flocculate rapidly, be separated from the water out.
Detailed description of the invention:
Weigh each raw material by following mass percent: there-necked flask adds tap water: 86.0～97.0%, be placed in thermostat water bath and be stirred；
Add cationic modified starch: 2.0～10.0%, continuation stirring makes starch be thoroughly dispersed in water；
Open the switch of thermostat water bath, temperature is set between 70～90 DEG C and heats；
Timing after temperature rises to design temperature and stablizes, makes starch solution in there-necked flask react 30～60 minutes, obtains component I；
Slaine is added: 0.5～2.0%, continuation is stirred, made slaine be thoroughly mixed with component I, obtain component II in component I；
Adding concentration in component II is the aqueous solutions of polymers of 0.5%: 0.5～2.0%, continues stirring, makes aqueous solutions of polymers be thoroughly mixed with component II, and discharging is product.
Embodiment 1
Weigh each raw material by following mass percent: there-necked flask adds tap water: 97.0%, be placed in thermostat water bath and be stirred；
Addition cationic modified starch: 2.0%, continues stirring and makes starch be thoroughly dispersed in tap water；
Open the switch of thermostat water bath, temperature is set in 80 DEG C and heats；
Timing after temperature rises to design temperature and stablizes, makes starch solution in there-necked flask react 40 minutes, obtains component I；
Addition slaine in component I: 0.5%, continues stirring, makes slaine be thoroughly mixed with component I, obtain component II；
Adding concentration in component II is the aqueous solutions of polymers of 0.5%: 0.5%, continues stirring, makes aqueous solutions of polymers be thoroughly mixed with component II, and discharging is product.
Embodiment 2
Weigh each raw material by following mass percent: there-necked flask adds tap water: 96.0%, be placed in thermostat water bath and be stirred；
Addition cationic modified starch: 2.0%, continues stirring and makes starch be thoroughly dispersed in tap water；
Open the switch of thermostat water bath, temperature is set in 80 DEG C and heats；
Timing after temperature rises to design temperature and stablizes, makes starch solution in there-necked flask react 40 minutes, obtains component I；
Addition slaine in component I: 1.0%, continues stirring, makes slaine be thoroughly mixed with component I, obtain component II；
Adding concentration in component II is the aqueous solutions of polymers of 0.5%: 1.0%, continues stirring, makes aqueous solutions of polymers be thoroughly mixed with component II, and discharging is product.
Embodiment 3
Weigh each raw material by following mass percent: there-necked flask adds tap water: 94.0%, be placed in thermostat water bath and be stirred；
Addition cationic modified starch: 2.0%, continues stirring and makes starch be thoroughly dispersed in tap water；
Open the switch of thermostat water bath, temperature is set in 80 DEG C and heats；
Timing after temperature rises to design temperature and stablizes, makes starch solution in there-necked flask react 40 minutes, obtains component I；
Addition slaine in component I: 2.0%, continues stirring, makes slaine be thoroughly mixed with component I, obtain component II；
Adding concentration in component II is the aqueous solutions of polymers of 0.5%: 2.0%, continues stirring, makes aqueous solutions of polymers be thoroughly mixed with component II, and discharging is product.
Embodiment 4
Weigh each raw material by following mass percent: there-necked flask adds tap water: 94.0%, be placed in thermostat water bath and be stirred；
Addition cationic modified starch: 4.0%, continues stirring and makes starch be thoroughly dispersed in tap water；
Open the switch of thermostat water bath, temperature is set in 80 DEG C and heats；
Timing after temperature rises to design temperature and stablizes, makes starch solution in there-necked flask react 40 minutes, obtains component I；
Addition slaine in component I: 1.0%, continues stirring, makes slaine be thoroughly mixed with component I, obtain component II；
Adding concentration in component II is the aqueous solutions of polymers of 0.5%: 1.0%, continues stirring, makes aqueous solutions of polymers be thoroughly mixed with component II, and discharging is product.
Embodiment 5
Weigh each raw material by following mass percent: there-necked flask adds tap water: 93.0%, be placed in thermostat water bath and be stirred；
Addition cationic modified starch: 4.0%, continues stirring and makes starch be thoroughly dispersed in tap water；
Open the switch of thermostat water bath, temperature is set in 80 DEG C and heats；
Timing after temperature rises to design temperature and stablizes, makes starch solution in there-necked flask react 40 minutes, obtains component I；
Addition slaine in component I: 1.5%, continues stirring, makes slaine be thoroughly mixed with component I, obtain component II；
Adding concentration in component II is the aqueous solutions of polymers of 0.5%: 1.5%, continues stirring, makes aqueous solutions of polymers be thoroughly mixed with component II, and discharging is product.
Embodiment 6
Weigh each raw material by following mass percent: there-necked flask adds tap water: 92.0%, be placed in thermostat water bath and be stirred；
Addition cationic modified starch: 4.0%, continues stirring and makes starch be thoroughly dispersed in tap water；
Open the switch of thermostat water bath, temperature is set in 80 DEG C and heats；
Timing after temperature rises to design temperature and stablizes, makes starch solution in there-necked flask react 40 minutes, obtains component I；
Addition slaine in component I: 2.0%, continues stirring, makes slaine be thoroughly mixed with component I, obtain component II；
Adding concentration in component II is the aqueous solutions of polymers of 0.5%: 2.0%, continues stirring, makes aqueous solutions of polymers be thoroughly mixed with component II, and discharging is product.
Embodiment 7
Weigh each raw material by following mass percent: there-necked flask adds tap water: 94.0%, be placed in thermostat water bath and be stirred；
Addition cationic modified starch: 5.0%, continues stirring and makes starch be thoroughly dispersed in tap water；
Open the switch of thermostat water bath, temperature is set in 80 DEG C and heats；
Timing after temperature rises to design temperature and stablizes, makes starch solution in there-necked flask react 40 minutes, obtains component I；
Addition slaine in component I: 0.5%, continues stirring, makes slaine be thoroughly mixed with component I, obtain component II；
Adding concentration in component II is the aqueous solutions of polymers of 0.5%: 0.5%, continues stirring, makes aqueous solutions of polymers be thoroughly mixed with component II, and discharging is product.
Embodiment 8
Weigh each raw material by following mass percent: there-necked flask adds tap water: 93.0%, be placed in thermostat water bath and be stirred；
Addition cationic modified starch: 5.0%, continues stirring and makes starch be thoroughly dispersed in tap water；
Open the switch of thermostat water bath, temperature is set in 80 DEG C and heats；
Timing after temperature rises to design temperature and stablizes, makes starch solution in there-necked flask react 40 minutes, obtains component I；
Addition slaine in component I: 1.0%, continues stirring, makes slaine be thoroughly mixed with component I, obtain component II；
Adding concentration in component II is the aqueous solutions of polymers of 0.5%: 1.0%, continues stirring, makes aqueous solutions of polymers be thoroughly mixed with component II, and discharging is product.
Embodiment 9
Weigh each raw material by following mass percent: there-necked flask adds tap water: 91.0%, be placed in thermostat water bath and be stirred；
Addition cationic modified starch: 5.0%, continues stirring and makes starch be thoroughly dispersed in tap water；
Open the switch of thermostat water bath, temperature is set in 80 DEG C and heats；
Timing after temperature rises to design temperature and stablizes, makes starch solution in there-necked flask react 40 minutes, obtains component I；
Addition slaine in component I: 2.0%, continues stirring, makes slaine be thoroughly mixed with component I, obtain component II；
Adding concentration in component II is the aqueous solutions of polymers of 0.5%: 2.0%, continues stirring, makes aqueous solutions of polymers be thoroughly mixed with component II, and discharging is product.
Embodiment 10
Weigh each raw material by following mass percent: there-necked flask adds tap water: 93.0%, be placed in thermostat water bath and be stirred；
Addition cationic modified starch: 5.0%, continues stirring and makes starch be thoroughly dispersed in tap water；
Open the switch of thermostat water bath, temperature is set in 80 DEG C and heats；
Timing after temperature rises to design temperature and stablizes, makes starch solution in there-necked flask react 30 minutes, obtains component I；
Addition slaine in component I: 1.0%, continues stirring, makes slaine be thoroughly mixed with component I, obtain component II；
Adding concentration in component II is the aqueous solutions of polymers of 0.5%: 1.0%, continues stirring, makes aqueous solutions of polymers be thoroughly mixed with component II, and discharging is product.
Embodiment 11
Weigh each raw material by following mass percent: there-necked flask adds tap water: 93.0%, be placed in thermostat water bath and be stirred；
Addition cationic modified starch: 5.0%, continues stirring and makes starch be thoroughly dispersed in tap water；
Open the switch of thermostat water bath, temperature is set in 70 DEG C and heats；
Timing after temperature rises to design temperature and stablizes, makes starch solution in there-necked flask react 40 minutes, obtains component I；
Addition slaine in component I: 1.0%, continues stirring, makes slaine be thoroughly mixed with component I, obtain component II；
Adding concentration in component II is the aqueous solutions of polymers of 0.5%: 1.0%, continues stirring, makes aqueous solutions of polymers be thoroughly mixed with component II, and discharging is product.
Embodiment 12
Weigh each raw material by following mass percent: there-necked flask adds tap water: 93.0%, be placed in thermostat water bath and be stirred；
Addition cationic modified starch: 5.0%, continues stirring and makes starch be thoroughly dispersed in tap water；
Open the switch of thermostat water bath, temperature is set in 80 DEG C and heats；
Timing after temperature rises to design temperature and stablizes, makes starch solution in there-necked flask react 60 minutes, obtains component I；
Addition slaine in component I: 1.0%, continues stirring, makes slaine be thoroughly mixed with component I, obtain component II；
Adding concentration in component II is the aqueous solutions of polymers of 0.5%: 1.0%, continues stirring, makes aqueous solutions of polymers be thoroughly mixed with component II, and discharging is product.
Embodiment 13
Weigh each raw material by following mass percent: there-necked flask adds tap water: 93.0%, be placed in thermostat water bath and be stirred；
Addition cationic modified starch: 5.0%, continues stirring and makes starch be thoroughly dispersed in tap water；
Open the switch of thermostat water bath, temperature is set in 90 DEG C and heats；
Timing after temperature rises to design temperature and stablizes, makes starch solution in there-necked flask react 40 minutes, obtains component I；
Addition slaine in component I: 1.0%, continues stirring, makes slaine be thoroughly mixed with component I, obtain component II；
Adding concentration in component II is the aqueous solutions of polymers of 0.5%: 1.0%, continues stirring, makes aqueous solutions of polymers be thoroughly mixed with component II, and discharging is product.
Embodiment 14
Weigh each raw material by following mass percent: there-necked flask adds tap water: 89.0%, be placed in thermostat water bath and be stirred；
Addition cationic modified starch: 7.0%, continues stirring and makes starch be thoroughly dispersed in tap water；
Open the switch of thermostat water bath, temperature is set in 80 DEG C and heats；
Timing after temperature rises to design temperature and stablizes, makes starch solution in there-necked flask react 40 minutes, obtains component I；
Addition slaine in component I: 2.0%, continues stirring, makes slaine be thoroughly mixed with component I, obtain component II；
Adding concentration in component II is the aqueous solutions of polymers of 0.5%: 2.0%, continues stirring, makes aqueous solutions of polymers be thoroughly mixed with component II, and discharging is product.
Embodiment 15
Weigh each raw material by following mass percent: there-necked flask adds tap water: 86.0%, be placed in thermostat water bath and be stirred；
Addition cationic modified starch: 10.0%, continues stirring and makes starch be thoroughly dispersed in tap water；
Open the switch of thermostat water bath, temperature is set in 80 DEG C and heats；
Timing after temperature rises to design temperature and stablizes, makes starch solution in there-necked flask react 40 minutes, obtains component I；
Addition slaine in component I: 2.0%, continues stirring, makes slaine be thoroughly mixed with component I, obtain component II；
Adding concentration in component II is the aqueous solutions of polymers of 0.5%: 2.0%, continues stirring, makes aqueous solutions of polymers be thoroughly mixed with component II, and discharging is product.
Serviceability of the present invention can be verified with wide mouthed bottle shaking experiment:
In the wide mouthed bottle of 250ml, first add the paint waste water that 200ml is taken from circulation, use pH adjusting agent to be regulated between 7～9 by the pH value of water.
It is subsequently added the circulating water treatment agent 0.5～1.5g prepared, covers bottle cap, fierce shaking 30 seconds, stand observing effect.
By experiment it can be seen that in all embodiments, the preferable cost of manufacture of pharmacy effect that embodiment 8 is embodied is relatively low, can be as prioritizing selection.
Simultaneously can be by usual method for paint spray booth, the basic consumption of medicament can be controlled in 1～3 ‰, preferably 2 ‰.Can be mixing tank or the porch of water circulating pump at adding of agent, so that medicament mix homogeneously, the additional amount of medicament can according to the amount of spraying paint number do suitable supplementing, the handing in retroactively of medicament adds and is in the porch of circulating pump and is preferred, to ensure that the mistake in water circulation is sprayed paint the most inharmonious, reach the effect condensing, flocculating.
Claims (10)
1. an economy, environment-friendly degradable lacquer mist coagulant, it is characterised in that: by biodegradable
Cationic modified starch, slaine, polymer be primary raw material composition, wherein, selected cation
The substitution value of modified starch is less than or equal to 2.5 more than 1.0；By percentage to the quality, described lacquer mist coagulant
Raw material is by 2.0～the concentration of the slaine of the cationic modified starch of 10.0%, 0.5～2.0%, 0.5～2.0%
Be 0.5% aqueous solutions of polymers and 86.0～97.0% tap water composition, wherein, described economy, environmental protection
Degradability lacquer mist coagulant uses the method comprised the following steps that to prepare:
There-necked flask adds and accounts for described flocculating agent quality 86.0～the tap water of 97.0%, be placed on constant temperature
Water-bath is stirred；
Add account for described flocculating agent quality 2.0～10.0% described substitution value more than 1.0 less than or equal to 2.5
Cationic modified starch, continues stirring and makes starch be thoroughly dispersed in tap water；
Open the switch of thermostat water bath, temperature is set between 70～90 DEG C and heats；
Until temperature rise to design temperature and stable after timing, make in there-necked flask starch solution reaction 30～
60 minutes, obtain components I；
Add in components I and account for described flocculating agent quality 0.5～the slaine of 2.0%, continue stirring, make gold
Belong to salt to be thoroughly mixed with components I, obtain composition-；
Add in composition- account for described flocculating agent quality 0.5～2.0%, concentration be 0.5% polymer water-soluble
Liquid, continues stirring, makes aqueous solutions of polymers be thoroughly mixed with composition-, and discharging is product.
A kind of economy, environment-friendly degradable lacquer mist coagulant the most according to claim 1, its feature
It is: described economy, environment-friendly degradable lacquer mist coagulant are colourless or light yellow translucent thick liquid.
A kind of economy, environment-friendly degradable lacquer mist coagulant the most according to claim 1, its feature
Be: cationic modified starch, its base starch selected from Semen Tritici aestivi, Semen Maydis, Rhizoma Solani tuber osi, rice, Rhizoma Dioscoreae esculentae,
One in Maninot esculenta crantz. and Semen phaseoli radiati.
A kind of economy, environment-friendly degradable lacquer mist coagulant the most according to claim 1, its feature
It is: slaine one in aluminum, zinc, ferrum, calcium, magnesium.
A kind of economy, environment-friendly degradable lacquer mist coagulant the most according to claim 1, its feature
It is: polymer one in aluminium polychlorid, polymerization aluminum nitrate and polyacrylamide.
6. economy, a preparation method for environment-friendly degradable lacquer mist coagulant, comprises the following steps that:
There-necked flask adds and accounts for flocculating agent quality 86.0～the tap water of 97.0%, be placed on thermostat water bath
In be stirred；
Add and account for flocculating agent quality 2.0～the cationic modified starch of 10.0%, continue stirring and make starch divide completely
Being dispersed in tap water, wherein, the substitution value of described cationic modified starch is less than or equal to 2.5 more than 1.0；
Open the switch of thermostat water bath, temperature is set between 70～90 DEG C and heats；
Until temperature rise to design temperature and stable after timing, make in there-necked flask starch solution reaction 30～
60 minutes, obtain components I；
Add in components I and account for flocculating agent quality 0.5～the slaine of 2.0%, continue stirring, make slaine
It is thoroughly mixed with components I, obtains composition-；
Add in composition- account for flocculating agent quality 0.5～2.0%, concentration be the aqueous solutions of polymers of 0.5%,
Continue stirring, make aqueous solutions of polymers be thoroughly mixed with composition-, discharging, it is product.
7. method as claimed in claim 6, it is characterised in that the basis of described cationic modified starch
Starch one in Semen Tritici aestivi, Semen Maydis, Rhizoma Solani tuber osi, rice, Rhizoma Dioscoreae esculentae, Maninot esculenta crantz. and Semen phaseoli radiati.
8. method as claimed in claim 6, it is characterised in that described slaine selected from aluminum, zinc, ferrum,
One in calcium, magnesium.
9. method as claimed in claim 6, it is characterised in that polymer is selected from aluminium polychlorid, gathers
Close the one in aluminum nitrate and polyacrylamide.
10. economy according to any one of claim 1-5, environment-friendly degradable lacquer mist coagulant are wet
Application in formula paint spray booth circular water treating system.
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| CN112500734A (en) * | 2020-12-27 | 2021-03-16 | 苏州申茂环保科技有限公司 | Novel environment-friendly water-based paint mist coagulant and preparation method thereof |
| CN112850868A (en) * | 2021-02-21 | 2021-05-28 | 重庆市金思杰科技有限责任公司 | Degradable single-dosage paint mist coagulant and preparation method thereof |
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