CN103333530A - Aluminum powder pigment and its dry milling manufacturing method - Google Patents
Aluminum powder pigment and its dry milling manufacturing method Download PDFInfo
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- CN103333530A CN103333530A CN2013102801423A CN201310280142A CN103333530A CN 103333530 A CN103333530 A CN 103333530A CN 2013102801423 A CN2013102801423 A CN 2013102801423A CN 201310280142 A CN201310280142 A CN 201310280142A CN 103333530 A CN103333530 A CN 103333530A
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- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 111
- 239000000049 pigment Substances 0.000 title claims abstract description 36
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 30
- 238000009837 dry grinding Methods 0.000 title claims abstract description 13
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 41
- 239000002245 particle Substances 0.000 claims abstract description 35
- 235000021355 Stearic acid Nutrition 0.000 claims abstract description 22
- 238000000034 method Methods 0.000 claims abstract description 22
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims abstract description 22
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims abstract description 22
- 239000008117 stearic acid Substances 0.000 claims abstract description 22
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 20
- 238000000498 ball milling Methods 0.000 claims abstract description 18
- 239000007822 coupling agent Substances 0.000 claims abstract description 18
- 238000012216 screening Methods 0.000 claims abstract description 8
- 238000001816 cooling Methods 0.000 claims abstract description 4
- 239000000843 powder Substances 0.000 claims description 126
- 229910052782 aluminium Inorganic materials 0.000 claims description 102
- 239000004411 aluminium Substances 0.000 claims description 101
- 238000005498 polishing Methods 0.000 claims description 56
- 239000006185 dispersion Substances 0.000 claims description 21
- 239000003795 chemical substances by application Substances 0.000 claims description 20
- 239000011812 mixed powder Substances 0.000 claims description 12
- 238000000227 grinding Methods 0.000 claims description 8
- 238000007599 discharging Methods 0.000 claims description 7
- 239000007789 gas Substances 0.000 claims description 6
- 238000005304 joining Methods 0.000 claims description 6
- 238000013022 venting Methods 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 229910000975 Carbon steel Inorganic materials 0.000 claims description 5
- PRPAGESBURMWTI-UHFFFAOYSA-N [C].[F] Chemical compound [C].[F] PRPAGESBURMWTI-UHFFFAOYSA-N 0.000 claims description 5
- 239000011324 bead Substances 0.000 claims description 5
- 239000010962 carbon steel Substances 0.000 claims description 5
- 239000011521 glass Substances 0.000 claims description 5
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 claims description 5
- 239000012716 precipitator Substances 0.000 claims description 5
- 229910001928 zirconium oxide Inorganic materials 0.000 claims description 5
- 208000015181 infectious disease Diseases 0.000 claims description 4
- 238000001914 filtration Methods 0.000 claims description 3
- 238000005259 measurement Methods 0.000 claims description 3
- -1 phthalate ester Chemical class 0.000 claims description 3
- 239000002994 raw material Substances 0.000 claims description 3
- 238000004513 sizing Methods 0.000 claims description 3
- 230000000087 stabilizing effect Effects 0.000 claims description 3
- 230000003647 oxidation Effects 0.000 abstract description 4
- 238000007254 oxidation reaction Methods 0.000 abstract description 4
- 238000002360 preparation method Methods 0.000 abstract description 2
- 238000003801 milling Methods 0.000 abstract 3
- 230000015572 biosynthetic process Effects 0.000 abstract 2
- 238000002156 mixing Methods 0.000 abstract 2
- 238000003786 synthesis reaction Methods 0.000 abstract 2
- 239000002270 dispersing agent Substances 0.000 abstract 1
- 238000009700 powder processing Methods 0.000 abstract 1
- 239000003223 protective agent Substances 0.000 abstract 1
- 238000010301 surface-oxidation reaction Methods 0.000 abstract 1
- 239000000047 product Substances 0.000 description 23
- 230000000694 effects Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 239000012065 filter cake Substances 0.000 description 2
- 206010034972 Photosensitivity reaction Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000036211 photosensitivity Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
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- Crushing And Grinding (AREA)
- Pigments, Carbon Blacks, Or Wood Stains (AREA)
Abstract
The invention provides an aluminum powder pigment, which is formed by mixing of the following components by weight: 96%-99% of aluminum powder; 0.75%-3% of stearic acid; 0.2-0.7% of a coupling agent; and 0.05%-0.3% of a dispersant. The dry milling manufacturing method of the aluminum powder pigment consists of the steps of: ball milling, grading screening, first stage finished product synthesis and second stage finished product synthesis. In the invention, a macromolecular coupling agent with a coordination group is adopted as a protective agent, the stearic acid plays a milling assisting role, and the milling means is changed overall. The method employs graded constant speed impact-free milling, three-level screening, and two-stage discharge to improve the diameter-thickness ratio and particle uniformity of the product. Nitrogen cooling and automatic temperature control protection are adopted as supplementary means to reduce the phenomenon of aluminum powder oxidation rate increase caused by temperature rise during preparation, and the likely surface oxidation problem in an aluminum powder processing process can be effectively solved, so that the sheet aluminum powder pigment with strong oxidation resistance, durable color and adjustable brightness. Also, according to demands and through corresponding blending, production of products with a variety of specification standard particle sizes can be realized.
Description
Technical field
The present invention relates to the manufacturing technology field of solid metal powder pigment, especially relate to a kind of aluminium powder pigment and dry grinding manufacture method thereof.
Background technology
The aluminium powder particle that pigment is used is lepidiod, because lepidiod particle state, thereby aluminium powder has metalluster effect and effect and function of shielding effect.And aluminium powder to have a fusing point low, reach the characteristic that concentration can be exploded, therefore need pay special attention to the safety control such as explosion-proof, dustproof in the production process, current metallic aluminium powder industrialized production is divided into dry method and wet method, modern most aluminium powder pigments all adopt the wet production mode, wet process technique namely is to add petroleum solvent in ball mill, Fine Aluminum Powder mixed to be placed on organic solvent, dispersion agent etc. by a certain percentage grind in the ball mill, consider through screening, pressure afterwards, make the aluminium paste filter cake, with the filter cake oven dry, sieve into the aluminium powder of certain particle size again.Yet owing to mostly adopt wet screening technology, the dispersion of product and classification difficulty are big, and the aluminum powder particle size wider distribution of this method production, the regular shape degree is relatively poor, and surface flatness is not good enough, and aluminium powder sticking power is not firm, product shelf life is short, makes behind coating or the printing ink problems such as planeness is bad.
Summary of the invention
The objective of the invention is to solve the problems of the prior art, and a kind of have epigranular and stable aluminium powder pigment and the dry grinding manufacture method thereof of good metalluster, water surface opacifying power and oxidation-resistance are provided.
The technical solution adopted in the present invention is such: a kind of aluminium powder pigment is mixed by following component and weight proportion: aluminium powder: 96%～99%; Stearic acid: 0.75%～3%; Coupling agent: 0.2%～1%; Dispersion agent: 0.05%～0.3%.
Preferably, a kind of aluminium powder pigment is mixed by following component and weight proportion: aluminium powder: 96%; Stearic acid: 3%; Coupling agent: 0.7%; Dispersion agent: 0.3%.
Preferably, a kind of aluminium powder pigment is mixed by following component and weight proportion: aluminium powder: 99%; Stearic acid: 0.75%; Coupling agent: 0.2%; Dispersion agent: 0.05%.
Preferably, described coupling agent adopts phthalate ester coupling agent.
The dry grinding manufacture method of aluminium powder pigment may further comprise the steps:
(1) ball milling: in horizontal ball mill, be built-in with a plurality of ball milling, aluminium powder is put into the raw material hopper, and to allocate the weight percent that accounts for aluminium powder into be 1.5%～2% coupling agent, control weight feed by feeder, and by blower fan the aluminium powder after quantitative is blown in the horizontal ball mill, under nitrogen protection, keeping the temperature in the horizontal ball mill is 40～70 ℃, is 20～80r/min in conjunction with Frequency Converter Control horizontal ball mill rotating speed; Carry out ball milling work, controlling per 30 minutes powder outlet quantity is 1.5kg～2.5 kg, thereby obtains the aluminium powder of scroll sheet;
(2) gradation sizing: with the aluminium powder after grinding in the step (1), after being blown into first grading machine screening successively by blower fan, the aluminium powder that grain is big carries the return of serve grinding machine to continue to grind, the aluminium powder that granularity is little is transported in second grading machine, after second grading machine rescreens branch, obtain one-level aluminium powder and secondary aluminium powder; Wherein the one-level aluminium powder is transported to first batch hopper, and the secondary aluminium powder is transported to second batch hopper through dust-precipitator; The aluminium powder particle diameter that described granularity is big is to be not less than 1.5 times of finished product average particle diameter, the aluminium powder particle diameter that granularity is little is 1.5 times less than finished product average particle diameter, described one-level aluminium powder particle diameter is to be not less than 1.2 times of finished product average particle diameter, and secondary aluminium powder particle diameter is 1.2 times less than finished product average particle diameter.
(3) first step finished product is synthetic: should by sensor meter double infection with the one-level aluminium powder in first batch hopper in the step (2), and through the self-feeder of first batch hopper, accurately quantitatively be transported in the first polishing ball mill, in addition first join the mixed powder that stearic acid and dispersion agent are housed in the powder bucket, wherein the ratio of the mixed weight between stearic acid and the dispersion agent is: 1:(0.06～0.08); And by first feeder of joining the powder bucket, measure through first batch hopper, thereby add the weight percent account for the one-level aluminium powder and be 1.5%～3% mixed powder, be transported in the first polishing ball mill, under nitrogen protection, keeping the temperature in the first polishing ball mill is 20～50 ℃, is 10～20r/min in conjunction with the Frequency Converter Control first polishing drum's speed of rotation; Carry out polishing work, controlling powder outlet quantity hourly is 4kg～12kg, thereby discharging obtains into the one-level finished product aluminium powder pigment of flat shape or scroll sheet;
(4) second stage finished product is synthetic: should by sensor meter double infection with the secondary aluminium powder in second batch hopper in the step (2), and through the self-feeder of second batch hopper, accurately quantitatively be transported in the second polishing ball mill, in addition second join the mixed powder that stearic acid and dispersion agent are housed in the powder bucket, wherein the ratio of the mixed weight between stearic acid and the dispersion agent is: 1:(0.06～0.08); And by second feeder of joining the powder bucket, measure through second batch hopper, thereby add the weight percent account for the secondary aluminium powder and be 1.5%～3% mixed powder, be transported in the second polishing ball mill, under nitrogen protection, keeping the temperature in the second polishing ball mill is 20～50 ℃, is 10～20r/min in conjunction with the Frequency Converter Control first polishing drum's speed of rotation; Carry out polishing work, controlling powder outlet quantity hourly is 4kg～12 kg, thereby discharging obtains into the secondary finished product aluminium powder pigment of flat shape or scroll sheet.
Preferably, the specification of described finished product average particle diameter is 60um, 48um, 36um, 27um, 20um, 15um, 11um, 8um, 6um, 5um, 4um, 3um any specification wherein.
Preferably, of the ball milling in described horizontal ball mill employing diameter is granulated glass sphere or zirconium oxide bead or the fluorine carbon steel pearl of 2mm～9mm; It is granulated glass sphere or zirconium oxide bead or the fluorine carbon steel pearl of 1mm～3mm that ball milling in the described first polishing ball mill and the second polishing ball mill adopts diameter.
Preferably, described nitrogen continues safe voltage stabilizing winding-up by external nitrogen production equipment through water cooling tower to be supplied with or is supplied with by nitrogen pot, and the control airshed is 30ml/min.All simultaneously feed nitrogen to ball mill, the first polishing ball mill, the second polishing ball mill of correspondence after vacuumizing through first grading machine, second grading machine, dust-precipitator in described step (1), (3), (4).
Preferably, be equipped with venting port on described ball mill, the first polishing ball mill and the second polishing ball mill, described venting port is circumscribed with the filtration water bottle, keeps the stable gas pressure of ball mill, the first polishing ball mill and the second polishing ball mill inside, and can filter and discharge unnecessary tail gas and powder.
Preferably, infrared measurement of temperature is adopted in temperature control on ball mill in described step (1), (3), (4), the first polishing ball mill and the second polishing ball mill, and in conjunction with temperature alarming device, when temperature surpasses the warning temperature value of setting, after 2～3 minutes, production system will be out of service automatically.Described blower fan is circumscribed with anemoscope and air compressor machine, and anemoscope auto-control compressor operation is for blower fan provides required constant wind speed.
By adopting the aforementioned techniques scheme; the invention has the beneficial effects as follows: adopt to have the polymer coupler of coordinating group as protective material; stearic acid plays grinding aid effectiveness; the whole mode that grinds that changes; use classification at the uniform velocity not have impact grinding; three grades of screenings; the two-stage discharging; radius-thickness ratio and the uniform particles of product have been improved; adopt nitrogen cooling and temperature automatically controlled protection as supplementary means; temperature raises and causes that aluminium powder oxidation speed increases phenomenon in the minimizing preparation process, effectively solve surperficial easy-oxidizing hard topic in the aluminium powder course of processing, thereby it is strong to obtain oxidation-resistance; fast in colour; bright-coloured adjustable flake aluminum pigment.
Embodiment
Describe the present invention particularly with embodiment below, scope of the present invention is not subjected to the restriction of embodiment.
A kind of aluminium powder pigment of the present invention can be mixed by following component and weight proportion, and its corresponding embodiment 1-3 proportioning is as follows:
| ? | Aluminium powder | Stearic acid | Coupling agent | Dispersion agent |
| Embodiment 1 | 96% | 3% | 0.7% | 0.3% |
| Embodiment 2 | 99% | 0.75% | 0.2% | 0.05% |
| Embodiment 3 | 97% | 2.2% | 0.6% | 0.2% |
Wherein, preferred forms, coupling agent adopts phthalate ester coupling agent.
The dry grinding manufacture method of aluminium powder pigment may further comprise the steps:
(1) ball milling: in horizontal ball mill, adopting diameter is that the glass sphere of 1mm-9mm or zirconium oxide bead or fluorine carbon steel pearl are as ball milling, aluminium powder is put into the raw material hopper, and to allocate the weight percent that accounts for aluminium powder into be 1.5%～2% coupling agent, by feeder control weight feed, and the aluminium powder after inciting somebody to action quantitatively by blower fan is blown in the ball mill, be fed in the ball mill by external nitrogen gas generation equipment circulation voltage stabilizing winding-up, the control airshed is 30ml/min, thereby under nitrogen protection, adopt infrared measurement of temperature, keeping the temperature in the ball mill is 40～70 ℃, and in conjunction with temperature alarming device, when temperature surpasses the warning temperature value of setting, after 2～3 minutes, production system will be out of service automatically, production safety is reliable, is 20～80r/min in conjunction with the Frequency Converter Control drum's speed of rotation; Carry out ball milling work, blower fan is circumscribed with anemoscope and air compressor machine in addition, and anemoscope auto-control compressor operation is for blower fan provides required constant wind speed, be 1.5kg～2.5 kg thereby effectively control per 30 minutes powder outlet quantity, thereby obtain the aluminium powder of scroll sheet;
(2) gradation sizing: with the aluminium powder after grinding in the step (1), after being blown into first grading machine screening successively by blower fan, the aluminium powder that granularity is big carries the return of serve grinding machine to continue to grind, the aluminium powder that granularity is little is transported in second grading machine, after second grading machine rescreens branch, obtain one-level aluminium powder and secondary aluminium powder; Wherein the one-level aluminium powder is transported to first batch hopper, and the secondary aluminium powder is transported to second batch hopper through dust-precipitator; The aluminium powder particle diameter that described granularity is big is to be not less than 1.5 times of finished product average particle diameter, the aluminium powder particle diameter that granularity is little is 1.5 times less than finished product average particle diameter, described one-level aluminium powder particle diameter is to be not less than 1.2 times of finished product average particle diameter, and secondary aluminium powder particle diameter is 1.2 times less than finished product average particle diameter.All be evacuated in described first grading machine and second grading machine and have and supply outside to carry out work under the nitrogen protection effect.According to the required specification of selecting finished product average particle diameter for use of the condition of production, the finished product average particle diameter of ordinary production is 60um, 48um, 36um, 27um, 20um, 15um, 11um, 8um, 6um, 5um, 4um, 3um, more than several specifications, thereby make things convenient for manufacturer according to the corresponding outfit of s own situation;
(3) first step finished product is synthetic: the one-level aluminium powder in first batch hopper in the step (2) is heavy by the sensor meter, and in the feeder of first batch hopper is transported to the first polishing ball mill, in addition first join the mixed powder that stearic acid and dispersion agent are housed in the powder bucket, wherein the ratio of the mixed weight between stearic acid and the dispersion agent is: 1:0.07; And by first feeder of joining the powder bucket, measure through first batch hopper, thereby add the weight percent account for the one-level aluminium powder and be 1%～2% mixed powder, be transported in the first polishing ball mill, under nitrogen protection, keeping the temperature in the first polishing ball mill is 20～50 ℃, is 10～20r/min in conjunction with the Frequency Converter Control first polishing drum's speed of rotation; Carry out polishing work, controlling powder outlet quantity hourly is 4kg～12 kg, thereby discharging obtains into the one-level finished product aluminium powder pigment of flat shape or scroll sheet;
(4) second stage finished product is synthetic: the secondary aluminium powder in second batch hopper in the step (2) is heavy by the sensor meter, and in the feeder of second batch hopper is transported to the second polishing ball mill, in addition second join the mixed powder that stearic acid and dispersion agent are housed in the powder bucket, wherein the ratio of the mixed weight between stearic acid and the dispersion agent is: 1:0.07; And by second feeder of joining the powder bucket, measure through second batch hopper, thereby add the weight percent account for the secondary aluminium powder and be 1%～2% mixed powder, be transported in the second polishing ball mill, under nitrogen protection, keeping the temperature in the second polishing ball mill is 20～50 ℃, is 10～20r/min in conjunction with the Frequency Converter Control first polishing drum's speed of rotation; Carry out polishing work, controlling powder outlet quantity hourly is 4kg～12 kg, thereby discharging obtains into the secondary finished product aluminium powder pigment of flat shape or scroll sheet;
Be equipped with venting port at described ball mill, the first polishing ball mill and the second polishing ball mill, described venting port is circumscribed with the filtration water bottle, the stable gas pressure that keeps ball mill, the first polishing ball mill and the second polishing ball mill inside, and can filter and discharge unnecessary tail gas and powder, guarantee the air ambient cleaning.
Adopt aluminium powder pigment of the present invention and dry method manufacture method, use ball milling-gradation sizing-classification ball milling polishing, thereby produce multistage finished product aluminium powder pigment, after also can carrying out two-shipper ball milling-gradation sizing-classification ball milling polishing or carrying out ball milling polishing-gradation sizing-two-shipper ball milling in addition, corresponding structure production is arranged in proper order, and can be according to customer demand, carry out rotating speed, the parameter specification of grading machine is adjusted, it is convenient that equipment is adjusted the cloth order, the practicality height, thereby realize that pigment powder reaches regular shape, fine size and be difficult for oxidation, photosensitivity is strong, the effect that opacifying power is big, integral production process Environmental Safety is reliable.
Above-described, only be preferred embodiment of the present invention, can not limit scope of the invention process, every equalization of doing according to the present patent application claim changes and decorates, and all should still belong in the scope that the present invention contains.
Claims (10)
1. an aluminium powder pigment is characterized in that, is mixed by following component and weight proportion: aluminium powder: 96%～99%; Stearic acid: 0.75%～3%; Coupling agent: 0.2%～0.7%; Dispersion agent: 0.05%～0.3%.
2. aluminium powder pigment according to claim 1 is characterized in that, is mixed by following component and weight proportion: aluminium powder: 96%; Stearic acid: 3%; Coupling agent: 0.7%; Dispersion agent: 0.3%.
3. aluminium powder pigment according to claim 1 is characterized in that, is mixed by following component and weight proportion: aluminium powder: 99%; Stearic acid: 0.75%; Coupling agent: 0.2%; Dispersion agent: 0.05%.
4. according to the arbitrary described aluminium powder pigment of claim 1 to 3, it is characterized in that: described coupling agent adopts phthalate ester coupling agent.
5. the dry grinding manufacture method of aluminium powder pigment according to claim 1 is characterized in that: may further comprise the steps:
(1) ball milling: in horizontal ball mill, be built-in with a plurality of ball milling, aluminium powder is put into the raw material hopper, and to allocate the weight percent that accounts for aluminium powder into be 1.5%～2% coupling agent, control weight feed by feeder, and by blower fan the aluminium powder after quantitative is blown in the horizontal ball mill, under nitrogen protection, keeping the temperature in the horizontal ball mill is 40～70 ℃, is 20～80r/min in conjunction with Frequency Converter Control horizontal ball mill rotating speed; Carry out ball milling work, controlling per 30 minutes powder outlet quantity is 1.5kg～2.5 kg, thereby obtains the aluminium powder of scroll sheet;
(2) gradation sizing: with the aluminium powder after grinding in the step (1), after being blown into first grading machine screening successively by blower fan, the aluminium powder that granularity is big carries the return of serve grinding machine to continue to grind, the aluminium powder that granularity is little is transported in second grading machine, after second grading machine rescreens branch, obtain one-level aluminium powder and secondary aluminium powder; Wherein the one-level aluminium powder is transported to first batch hopper, and the secondary aluminium powder is transported to second batch hopper through dust-precipitator; The aluminium powder particle diameter that described granularity is big is to be not less than 1.5 times of finished product average particle diameter, the aluminium powder particle diameter that granularity is little is 1.5 times less than finished product average particle diameter, described one-level aluminium powder particle diameter is to be not less than 1.2 times of finished product average particle diameter, and secondary aluminium powder particle diameter is 1.2 times less than finished product average particle diameter;
(3) first step finished product is synthetic: should by sensor meter double infection with the one-level aluminium powder in first batch hopper in the step (2), and through the self-feeder of first batch hopper, accurately quantitatively be transported in the first polishing ball mill, in addition first join the mixed powder that stearic acid and dispersion agent are housed in the powder bucket, wherein the ratio of the mixed weight between stearic acid and the dispersion agent is: 1:(0.06～0.08); And by first feeder of joining the powder bucket, measure through first batch hopper, thereby add the weight percent account for the one-level aluminium powder and be 1.5%～3% mixed powder, be transported in the first polishing ball mill, under nitrogen protection, keeping the temperature in the first polishing ball mill is 20～50 ℃, is 10～20r/min in conjunction with the Frequency Converter Control first polishing drum's speed of rotation; Carry out polishing work, controlling powder outlet quantity hourly is 4kg～12kg, thereby discharging obtains into the one-level finished product aluminium powder pigment of flat shape or scroll sheet; (4) second stage finished product is synthetic: should by sensor meter double infection with the secondary aluminium powder in second batch hopper in the step (2), and through the self-feeder of second batch hopper, accurately quantitatively be transported in the second polishing ball mill, in addition second join the mixed powder that stearic acid and dispersion agent are housed in the powder bucket, wherein the ratio of the mixed weight between stearic acid and the dispersion agent is: 1:(0.06～0.08); And by second feeder of joining the powder bucket, measure through second batch hopper, thereby add the weight percent account for the secondary aluminium powder and be 1.5%～3% mixed powder, be transported in the second polishing ball mill, under nitrogen protection, keeping the temperature in the second polishing ball mill is 20～50 ℃, is 10～20r/min in conjunction with the Frequency Converter Control first polishing drum's speed of rotation; Carry out polishing work, controlling powder outlet quantity hourly is 4kg～12 kg, thereby discharging obtains into the secondary finished product aluminium powder pigment of flat shape or scroll sheet.
6. the dry grinding manufacture method of aluminium powder pigment according to claim 5, it is characterized in that: the specification of described finished product average particle diameter is 60um, 48um, 36um, 27um, 20um, 15um, 11um, 8um, 6um, 5um, 4um, 3um any specification wherein.
7. the dry grinding manufacture method of aluminium powder pigment according to claim 5 is characterized in that: it is granulated glass sphere or zirconium oxide bead or the fluorine carbon steel pearl of 2mm～9mm that ball milling in the described horizontal ball mill adopts diameter; It is granulated glass sphere or zirconium oxide bead or the fluorine carbon steel pearl of 1mm～3mm that ball milling in the described first polishing ball mill and the second polishing ball mill adopts diameter.
8. the dry grinding manufacture method of aluminium powder pigment according to claim 5, it is characterized in that: described nitrogen continues safe voltage stabilizing winding-up supply by external nitrogen production equipment through water cooling tower or by the canned supply of nitrogen, whole control airshed is 30ml/min; All vacuumize the back and feed nitrogen to ball mill, the first polishing ball mill, the second polishing ball mill of correspondence through first grading machine, second grading machine, dust-precipitator in described step (1), (3), (4).
9. the dry grinding manufacture method of aluminium powder pigment according to claim 5, it is characterized in that: be equipped with venting port on described ball mill, the first polishing ball mill and the second polishing ball mill, described venting port is circumscribed with the filtration water bottle, keep the stable gas pressure of ball mill, the first polishing ball mill and the second polishing ball mill inside, and can filter and discharge unnecessary tail gas and powder.
10. the dry grinding manufacture method of aluminium powder pigment according to claim 5, it is characterized in that: infrared measurement of temperature is adopted in the temperature control on the ball mill in described step (1), (3), (4), the first polishing ball mill and the second polishing ball mill, and in conjunction with temperature alarming device, when temperature surpasses the warning temperature value of setting, after 2～3 minutes, production system will be out of service automatically, described blower fan is circumscribed with anemoscope and air compressor machine, anemoscope auto-control compressor operation is for blower fan provides required constant wind speed.
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| CN103613960A (en) * | 2013-11-28 | 2014-03-05 | 嘉兴市华源铝制品有限公司 | Preparation method of leafing aluminum paste |
| CN107262727A (en) * | 2017-07-03 | 2017-10-20 | 湖南金昊新材料科技股份有限公司 | A kind of method that non-solvent method produces flake aluminum effect pigment |
| CN111167569A (en) * | 2019-12-31 | 2020-05-19 | 曲靖华益兴新材料有限公司 | Method and equipment for preparing easily-dispersible aluminum powder pigment by direct ball milling |
| CN111454593A (en) * | 2020-04-17 | 2020-07-28 | 安徽赛尔新材料科技有限公司 | Preparation method of mercerizing electroplating-grade aluminum paste |
| CN114733615A (en) * | 2022-03-29 | 2022-07-12 | 内蒙古旭阳新材料有限公司 | Processing method and processing system of aluminum powder paste |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103613960A (en) * | 2013-11-28 | 2014-03-05 | 嘉兴市华源铝制品有限公司 | Preparation method of leafing aluminum paste |
| CN103613960B (en) * | 2013-11-28 | 2015-04-29 | 嘉兴市华源铝制品有限公司 | Preparation method of leafing aluminum paste |
| CN107262727A (en) * | 2017-07-03 | 2017-10-20 | 湖南金昊新材料科技股份有限公司 | A kind of method that non-solvent method produces flake aluminum effect pigment |
| CN107262727B (en) * | 2017-07-03 | 2018-05-04 | 湖南金昊新材料科技股份有限公司 | A kind of method of non-solvent method production flake aluminum effect pigment |
| CN111167569A (en) * | 2019-12-31 | 2020-05-19 | 曲靖华益兴新材料有限公司 | Method and equipment for preparing easily-dispersible aluminum powder pigment by direct ball milling |
| CN111454593A (en) * | 2020-04-17 | 2020-07-28 | 安徽赛尔新材料科技有限公司 | Preparation method of mercerizing electroplating-grade aluminum paste |
| CN114733615A (en) * | 2022-03-29 | 2022-07-12 | 内蒙古旭阳新材料有限公司 | Processing method and processing system of aluminum powder paste |
| CN114733615B (en) * | 2022-03-29 | 2024-07-09 | 内蒙古旭阳新材料股份有限公司 | Processing method and processing system of aluminum powder paste |
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