CN101538426B - Totally closed production technology of paints - Google Patents
Totally closed production technology of paints Download PDFInfo
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- CN101538426B CN101538426B CN200910098062XA CN200910098062A CN101538426B CN 101538426 B CN101538426 B CN 101538426B CN 200910098062X A CN200910098062X A CN 200910098062XA CN 200910098062 A CN200910098062 A CN 200910098062A CN 101538426 B CN101538426 B CN 101538426B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
A totally closed production technology of paints selects a gravity and pneumatic-driving membrane pump to transmit power, different paint fineness requires the serial arrangement of different numbers of horizontal grinders for grinding, the paint fineness is qualified by the one-time grinding of the horizontal grinders, paint viscosity is qualified by detection, the paint flows into a fully closed filtering packaging machine at a first layer under the action of gravity, and the discharged material is weighed and packaged after filtering. A waste gas collecting hood is not only arranged at a fineness monitoring port, but also at a material-mixing position, a blending packaging pot and the fully closed filtering packaging machine, thus collecting waste gases generated in the whole procedure for centralized processing, greatly improving working environment and labor intensity, canceling all opening parts such as an opening intermediate paint cylinder, a flow conducting and adding port of a centrifugal pump and the like between the horizontal grinder and the blending packaging pot in the traditional production technology of the paint which is considered to be irreplaceable by persons in the same field, realizing full closing, fundamentally solving the problem of disorganized discharging in production of organic solvents, having the functions of protecting the environment and saving energy by adopting a clean-power pneumatic-driving membrane pump, and being the newly updated production technology in the paint industry.
Description
Technical field
The present invention relates to a kind of production method of coating, particularly a kind ofly be used to make solvent borne, water-borne coatings Totally closed production technology.
Background technology
In recent years; along with The development in society and economy; country also improves day by day to environmental protection requirement; on April 23rd, 2007; the national development and the reform council have announced " the coating production cleaner production assessment indicator system (trying) " drafted by the cleaner Production in Chemical Industry center; this assessment indicator system has been stipulated the cleaning index of coating material production enterprise in more detail; and be two-stage according to comprehensive evaluation gained score value with enterprise's cleaner production grade classification, promptly represent " the advanced enterprise of cleaner production " of advanced international level and represent domestic average " cleaner production enterprise ".
The production of coating comprises stirs material, grinding, blending, packing four procedures, the environmental issue that each operation all exists needs to administer, wherein VOC (annotate: VOC is the abbreviation of volatile organic compounds) uncontrollable discharge then is the difficult point place that the coating material production environmental protection of enterprise is administered.In stirring material, blending, three operations of packing, VOC is easy to collect relatively; But grinding step is followed the circulation of material, and VOC uncontrollable discharge phenomenon is serious, is the key link that the coating material production enterprise pollution is administered.
The grinding of coating is according to different ball-milling technology, roller grinding process, the sand milling technologies of dividing of the grinding machinery that uses, wherein sand milling technology is widely adopted by coating material production enterprise because of simple to operate, sand milling efficient height, and it is discrete sand milling technology, horizontal sand milling technology and basket sand milling technology again.In the basket sand milling technology, floor plan equipment adopts the movable uncovered scuffing of cylinder bore of band end pulley, though can reach certain sealing (present basket sand milling is open in the majority) during sand milling, movable scuffing of cylinder bore is open in the circulation process of mill base, this type of sand milling technology can't realize totally-enclosed; In the airtight vertical or horizontal sand milling technology, though realized real totally-enclosed of sand milling machinery self, but because do not solve control techniques, must in the sand milling operation, insert at least one open intermediate coat cylinder, on the one hand when the multiple tracks sand milling as the buffer container of road, front and back sand milling, be used on the other hand controlling the mill base fineness, the mill base of guaranteeing to enter blending process meets the technical requirements of coating products, and this class technology is not accomplished totally-enclosed yet; In the open vertical sand milling technology, uncovered middle mill base cylinder is arranged not only, also because the opening of open vertical sand milling self makes the VOC discharging even more serious.
In sum, the current all kinds of sand milling technologies that extensively adopt, there do not have a kind of technology to accomplish to be real totally-enclosed, but the uncovered gathering hole of all kinds of forms that exist, cause the VOC that sand milling operation place coating self contains to discharge in a large number, the heat that sand grinding process produces has then more quickened the discharge rate of VOC.Simultaneously, the cleaning of uncovered position, colour changing operation are not only strengthened workman's workload, also had drawbacks such as waste starting material, raising production cost, increase waste treatment amount.Though the VOC of uncovered gathering hole can collect, but the collector that needs high ventilation, so difficulty is big, cost is high, both wasted material, consumes energy again, coating material production enterprise is difficult to bear the collection control expense, cause the uncontrollable discharge ubiquity of VOC, sand milling place smell is big, Air quality is inferior, solvent based coating manufacturing enterprise is reduced essential safety especially, also do not met the requirement of coating production cleaner production assessment indicator system simultaneously, become the key factor of restriction coatings enterprises cleaner production.
Number of patent application 02137086.9 " method for producing coating " is though concentrate each production process, make the production whole process can be than carrying out automatic production under the air-tight state, reduced labour intensity, but its production process is loaded down with trivial details, middle-chain such as various feed pot, equipment pump are many, the troublesome poeration cycle is long, simultaneously because it also adopts traditional basket type sand mill sand milling, therefore there is uncovered gathering hole, still have organic gas outwards to discharge and cause environmental pollution, operating environment is undesirable, does not reach the requirement of " the advanced enterprise of cleaner production " equally.
Summary of the invention
Technical problem to be solved by this invention is: a kind of Totally closed production technology of paints is provided, all uncovered gathering holes such as intermediate coat cylinder have been cancelled, realized the operation of sand milling link fully enclosed automatic, and the gas sampling that whole process of production produces handled, not only reduce the waste of starting material, the energy and to the pollution of environment, also boost productivity greatly, constant product quality makes manufacturing enterprise can reach the requirement of " the advanced enterprise of cleaner production ".
The production stage that the present invention addresses the above problem the Totally closed production technology of paints that is adopted is:
1, will make each required material of coating by prescription and weigh by weight, and check before feeding intake and confirm that all valves and switch all are in closing condition;
2, open gas sampling cover valve C and feed valve A, B, with each material by the Recipe requirement earlier, the back drop in the spice pot thorough mixing evenly after, open bleeder valve D, utilize the gravity of mill base to be used as power, from the spice pot of the 3rd aspect position through pipe-line transportation in the totally-enclosed strainer of second aspect, or utilize mill base gravity to be used as power through pipe-line transportation in the totally-enclosed strainer of first aspect from the spice pot of second aspect;
3, be after 4～6 millimeters preliminary filtration of the totally-enclosed strainer of mesh screen through the mesh size, according to the different fineness requirement, the horizontal sand mill group that selection enters, the pneumatic diaphragm pump of mill base on horizontal sand mill provides power to be transported to horizontal sand mill to carry out sand milling, by fineness monitoring mouthful control, detect fineness, switch gas sampling cover in the time of switch fineness monitoring mouth, the qualified back of fineness directly enters the blending packing pot of second aspect bottom under action of gravity by transport pipe, or a pneumatic diaphragm pump as power through increasing newly again, the mill base with fineness after testing after qualified directly enters the blending packing pot of second aspect by transfer lime;
4, open feed valve M, N, valve O, in blending packing pot, add residue various materials to be added by the prescription requirement, make dope viscosity reach the product acceptability limit with organic solvent or pure water adjusting, detect the bleeder valve P that opens blending packing pot after qualified, coating flows under the influence of gravity into that first aspect is totally-enclosed to filter and package in the device, open bleeder valve Q and valve R after the filtration, the packing of weighing;
5, this sand milling process choice and fineness control, according to the characteristic of using sand mill, fineness requirement only needs to insert a horizontal sand mill at 50～120 microns, fineness requirement is needing two horizontal sand mill series connection to use and can disposable sand milling fineness reach requirement below 50 microns, therefore turn down pneumatic diaphragm pump operating pressure set(ting)value earlier, open valve E, valve F, start pneumatic diaphragm pump and horizontal sand mill group, open fineness monitoring mouth and corresponding gas sampling cover simultaneously, the pressure set points that progressively increases surge pump according to the fineness result who monitors reaches specified requirement to improve the mill base inlet amount until fineness to be measured, sand milling production is carried out automatically, after this every valve that need open fineness monitoring mouth through 30～60 minutes, when opening fineness monitoring mouthful valve, also open the valve of gas sampling cover, carry out the one-time detection operation.
Compared with prior art, the invention has the advantages that:
1, the position of the traditional coating production technique being put uncovered intermediate coat cylinder is made the fineness monitoring mouthful of batch operation into, cancelled between horizontal sand mill and the blending packing pot and to have been thought all uncovered positions such as irreplaceable uncovered intermediate coat cylinder and impeller pump drainage charging opening by the industry peer, really realized totally-enclosed completely, solve the problem that the VOC uncontrollable discharge produces from root, not only improved operating environment but also play the environmental protection and energy saving effect.
2, at a fineness monitoring mouthful place gas sampling cover is housed, has also opened the switch of gas sampling cover when opening sampling valve, the switch of gas sampling cover has been closed in sampling again when finishing.So not only exempted the intermediate coat cylinder because of cleaning a large amount of solvent of waste and the uncontrollable discharge of VOC, and the gas sampling cover is little, ventilation is little, only when sampling, just open gas sampling cover switch and collect waste gas, this operation at intermittence also helps the saving of the energy, also at spice pot, blending packing pot, the totally-enclosed device place that filters and packages collection tube is set simultaneously, makes the waste gas that produces in the whole flow process all obtain collecting, and then deliver to treatment unit and focus on, therefore improved Working environment greatly.
3, this production method is according to the fineness requirement of various types of coatings such as priming paint, intermediate coat, finish paint, the horizontal sand mill group sand milling that series connection is not counted on the same stage under the situation that does not have the intermediate coat cylinder, it is disposable qualified to make the coating fineness pass through horizontal sand mill, has increased substantially throughput and production efficiency.
4, adopted the new installation pneumatic diaphragm pump of making cleaning power with pressurized air, the impeller pump that replaces traditional electricity consumption to be used as power, pneumatic diaphragm pump parts does not without spin have the axle envelope again, the medium pumped and the moving parts of pump can be separated fully, make the medium of being carried can be to external leakage, do not produce pollutent and can carry the heavy-gravity medium, try hard to avoid without electrical actuation because of it in addition and exempted from hidden danger, can be inflammable, explosive environments is work down, for need not water and the totally enclosed apparatus of oil addition, thoroughly having eradicated traditional technology uses impeller pump to need solubilizing agent, the drawback that adds the coating drainage, not only improved operating environment but also significantly reduce environmental pollution and reduce labour intensity, use this method manufacturing enterprise can reach the requirement of " the advanced enterprise of cleaner production " fully, and it is simple to operate, operation is few, and is with short production cycle, the production efficiency height.
Description of drawings
Fig. 1, process flow sheet of the present invention (three aspects).
Fig. 2, process flow sheet of the present invention (two aspects).
1, spice pot, 2, totally-enclosed strainer, 3-1 and 3-2, horizontal sand mill group, 4, pneumatic diaphragm pump, 5, fineness monitoring mouthful, 6, the gas sampling cover, 7, blending packing pot, 8, the totally-enclosed device that filters and packages.
Embodiment
Below in conjunction with accompanying drawing embodiments of the invention are further described.
This production method has two kinds of embodiments, three-layer stereo formula and two layers are three-dimensional, as shown in Figure 1 and Figure 2, be that residing position height is different, if adopt two layers three-dimensional, also need before blending packing pot 7, to increase a pneumatic diaphragm pump 4 ', with pneumatic diaphragm pump 4 ' be power with the sand milling fineness mill base after qualified upwards squeeze into blending and pack in pots 7, valve C, valve O, valve I, valve K, valve R are the gas sampling valve, and collected waste gas focuses on to emission-control equipment through pipe-line transportation.
Embodiment one, three-layer stereo formula production technique are made the solvent-borne type rust-proofing primer
1, check before producing and guarantee that all valves and switch all are in closing condition, by the prescription following material of accurately weighing by weight:
15 parts of 140 parts of mixed dry materials of 200 parts of zinc-chrome yellows of Synolac
120 parts in phenolic aldehyde paint vehicle 60+100 part zinc oxide
50 parts of 5 parts of talcum powder of wilkinite
165 parts of 3 parts of process whites of CP-88 anti-settling agent
2 parts of 140 parts of antis of 200# gasoline
2, open gas sampling valve C, open feed valve A again, will be from 200 parts of Synolac of resin storage tank, 60 parts of phenolic aldehyde paint vehicles utilize ultrasonic wave metering pump to squeeze into spice pot 1, open feed valve B and will also squeeze into spice pot 1 from 140 parts of 200# gasoline of solvent storage tank, and continuation adds 5 parts of wilkinites, 3 portions of CP-88 anti-settling agents also start high speed dispersor, after stirring 3-5 minute with 2000-3000 rev/min rotating speed, put into load weighted 140 parts of zinc-chrome yellows again, 120 parts of zinc oxide, 50 parts of talcum powder, 165 parts of process whites, keep same rotating speed to continue to stir after 10～20 minutes, open the mill base of bleeder valve D after and under action of gravity, flow into totally-enclosed strainer 2 from spice pot 1, treat that this process operations finishes (comprising cleaning) and close all valves of this operation and switch successively through pipeline with pre-mixing.
3, after preliminary the filtration, turn down the pressure set points (being set at 0.15MPa) that horizontal sand mill 3-2 goes up pneumatic diaphragm pump 4, open valve E, valve F, start the pneumatic diaphragm pump 4 on the horizontal sand mill 3-2, horizontal sand mill work, open the valve J of fineness monitoring mouth 5 when opening gas sampling cover 6 valve K, recording this moment mill base fineness is 40 microns, because this prescription fineness expection set(ting)value is then shut valve K smaller or equal to 80 microns, valve J, suitably heighten the pressure set points (being set at 0.3MPa) of pneumatic diaphragm pump 4, reopen valve K after 1 minute, valve J repeats above-mentioned detection, and this time the mill base fineness is 80 microns, just meet the requirements, shut-off valve K, valve J opens bleeder valve L, and mill base utilizes gravity to enter blending packing pot 7 by pipeline, sand milling production is carried out automatically, opened valve K in per 30～60 minutes, valve J repeats once above-mentioned detecting operation, in general as long as pneumatic diaphragm pump 4 pressure are constant, the mill base flow that flows to horizontal sand mill 3-2 is exactly a constant, thereby fineness also will remain unchanged.Treat that this process operations finishes (comprising cleaning) and close all valves of this operation and switch successively.
4, open feed valve M, valve O, in blending packing pot 7, add 100 parts of remaining off-the-shelf phenolic aldehyde paint vehicles, 15 parts of mixed dry materials, stir with 800～1100 rev/mins of speed, stir after 8～12 minutes, add 2 parts of antis again, the viscosity of opening feed valve N usefulness 200# gasoline adjusting mill base is between 100～120 seconds, and it is qualified to detect;
5, open bleeder valve P, make paint under action of gravity, flow into totally-enclosed filtering and packaging in the device 8, open the bleeder valve Q packing of weighing after the filtration, open the valve R of gas sampling cover 6 simultaneously so that collect this operation excessive organic exhaust gas on a small quantity through pipeline.
Embodiment two, three-layer stereo formula production technique are made the white alkyd finish of solvent-borne type
1, check before producing and guarantee that all valves and switch all are in closing condition, by the prescription following material of accurately weighing by weight:
140 parts of Synolac 300+240 part titanium dioxides
1 part in 76 portions of ultramarines of 200# gasoline
210 parts of 5 parts of process whites of wilkinite
1 part of 3 parts of cobalt liquid of CP-88 anti-settling agent
3 parts of 1 part of antis of plumbous liquid
2, open gas sampling valve C, open feed valve A again, to utilize ultrasonic wave metering pump to squeeze into spice pot 1 from 300 parts of Synolac of resin storage tank, open feed valve B and will also squeeze into spice pot 1 from 76 parts of 200# gasoline of solvent storage tank, and continuation adds 5 parts of wilkinites, 3 portions of CP-88 anti-settling agents also start high speed dispersor, after stirring 3～5 minutes with 2000-3000 rev/min rotating speed, put into load weighted 140 parts of titanium dioxides again, 1 portion of ultramarine, 210 parts of process whites, keep same rotating speed to continue to stir after 10～20 minutes, open the mill base of bleeder valve D after and under action of gravity, flow into totally-enclosed strainer 2 from spice pot 1 through pipeline with pre-mixing.Treat that this process operations finishes (comprising cleaning) and close all valves of this operation and switch successively.
3, after preliminary the filtration, turn down horizontal sand mill group 3-1, the pressure set points (being set at 0.2MPa) of the last pneumatic diaphragm pump 4 of 3-2, open valve E, valve F, start the pneumatic diaphragm pump 4 on the horizontal sand mill 3-1, horizontal sand mill 3-1 work, open the valve H of fineness monitoring mouth 5 when opening gas sampling cover 6 valve I, recording at this moment, the mill base fineness is 50 microns, because this finish paint prescription fineness expection set(ting)value is 30 microns, at this moment shut valve I, valve H, open valve G, open the valve J of fineness monitoring mouth 5 when then starting horizontal sand mill 3-2 and opening gas sampling cover 6 valve K, recording the mill base fineness of coming out from valve J after 1 minute is the 25-30 micron, require this lacquer fineness to be not more than 30 microns according to prescription, just meet the requirements, shut-off valve J, valve K, open bleeder valve L, mill base enters blending packing pot 7 by pipeline, sand milling production is carried out automatically, opened valve J in per 30～60 minutes, valve K repeats once above-mentioned detecting operation, in general as long as pneumatic diaphragm pump 4 pressure are constant, the mill base flow that flows to the horizontal sand mill group is exactly a constant, thereby fineness also will remain unchanged.Treat that this process operations finishes (comprising cleaning) and close all valves of this operation and switch successively.
4, open feed valve M, N, valve O, in blending packing pot 7, add 100 parts of remaining off-the-shelf Synolac, 1 part of cobalt liquid, 1 part of plumbous liquid, stir with 800～1100 rev/mins of speed, stir after 8～12 minutes, add 3 parts of antis again, the viscosity of opening feed valve N usefulness 200# gasoline adjusting mill base is between 100～120 seconds, and it is qualified to detect.
5, open bleeder valve P, make paint under action of gravity, flow into the totally-enclosed device 8 that filters and packages, open the bleeder valve Q packing of weighing after the filtration, open the valve R of gas sampling cover simultaneously so that collect this operation excessive organic exhaust gas on a small quantity through pipeline.
Three, two layers of three-dimensional production method of embodiment are made the water soluble acrylic acid baking finish
1, check before producing and guarantee that all valves and switch all are in closing condition, by the prescription following material of accurately weighing:
Water-borne acrylic resin 440+100 part propylene glycol monomethyl ether 50+30 part
2 parts of defoamer 2+1 of wilkinite part
40 parts of 3 parts of high abrasion carbon blacks of wetting dispersing agent
130 parts of 50 parts of pure water of butanols
100 parts of process whites
2, open gas sampling valve C, open feed valve A again, to utilize ultrasonic wave metering pump to squeeze into the spice pot from 440 parts of water-borne acrylic resins of resin storage tank, open feed valve B and will also squeeze into spice pot 1 from 50 parts of butanols of solvent storage tank, 50 parts of propylene glycol monomethyl ethers, 130 parts of pure water, and continue to add 2 parts of wilkinites, 2 parts of defoamers, 3 parts of wetting dispersing agents and start high speed dispersor, after 3～5 minutes, put into load weighted 40 parts of high abrasion carbon blacks, 100 parts of process whites with 2000-3000 rev/min rotating speed stirring again.Keep same rotating speed to continue to stir after 10～20 minutes, open the mill base of bleeder valve D after and under action of gravity, flow into totally-enclosed strainer 2 from spice pot 1, treat that this process operations finishes (comprising cleaning) and close all valves of this operation and switch successively through pipeline with pre-mixing.
3, after preliminary the filtration, turn down horizontal sand mill group 3-1, the pressure set points (being set at 0.2MPa) of the last pneumatic diaphragm pump 4 of 3-2, open valve E, valve F, start the pneumatic diaphragm pump 4 on the horizontal sand mill 3-1, horizontal sand mill 3-1 work, open the valve H of fineness monitoring mouthfuls 5 when opening the valve I of gas sampling cover 6, recording at this moment, the mill base fineness is 50 microns, because this finish paint prescription fineness expection set(ting)value is 30 microns, shut valve I, valve H, open valve G, open a fineness monitoring mouthful valve J when directly starting horizontal sand mill 3-2 and opening the valve K of gas sampling cover 6, recording the mill base fineness of coming out from valve J after 1 minute is the 25-30 micron, require this lacquer fineness to be not more than 30 microns according to prescription, just meet the requirements, shut-off valve J, valve K, open valve L, startup pneumatic diaphragm pump 4 ', the qualified mill base of fineness pneumatic diaphragm pump 4 ' pressure under enter the blending packing pot 7 of second aspect by pipeline, sand milling production is carried out automatically, opens valve J in per 30～60 minutes, valve K, repeat once above-mentioned detecting operation, in general as long as pneumatic diaphragm pump 4 pressure are constant, the mill base flow that flows to the horizontal sand mill group is exactly a constant, thereby fineness also will remain unchanged.Treat that this process operations finishes (comprising cleaning) and close all valves of this operation and switch successively.
4, open feed valve M, valve O, in blending packing pot 7, add 100 parts of remaining off-the-shelf water-borne acrylic resins, 30 parts of propylene glycol monomethyl ethers, after stirring 8～12 minutes with 800～1100 rev/mins of speed, add 1 part of defoamer again, open feed valve N, the viscosity of regulating mill base with pure water is between 60～90 seconds, and it is qualified to detect.
5, open bleeder valve P, make paint under action of gravity, flow into the totally-enclosed device 8 that filters and packages, open the bleeder valve Q packing of weighing after the filtration, open the valve R of gas sampling cover 6 simultaneously so that collect this operation excessive organic exhaust gas on a small quantity through pipeline.
Claims (2)
1. Totally closed production technology of paints is characterized in that production stage is:
(1), will make each required material of coating by prescription weighs by weight;
(2), open gas sampling valve C and feed valve A, the B of spice pot (1), after each material is first by the Recipe requirement, the back interior thorough mixing of input spice pot (1) is even, open the bleeder valve D of spice pot (1), utilize the gravity of mill base to be used as power, from the spice pot (1) of the 3rd aspect position through pipe-line transportation in the totally-enclosed strainer (2) of second aspect, or utilize mill base gravity to be used as power through pipe-line transportation in the totally-enclosed strainer (2) of first aspect from the spice pot (1) of second aspect;
(3), be after 4～6 millimeters preliminary filtration of the totally-enclosed strainer of mesh screen (2) through the mesh size, according to the different fineness requirement, select the horizontal mill group that enters, the pneumatic diaphragm pump of mill base on the horizontal mill group
(4) providing power to be transported to the horizontal mill group grinds, detect fineness by fineness monitoring mouthful (5), open corresponding gas sampling cover when opening fineness monitoring mouth (5), the qualified back of fineness directly enters the blending packing pot (7) of second aspect bottom under action of gravity by transport pipe, or the pneumatic diaphragm pump (4 ') through increasing newly is used as power again, and the mill base with fineness after testing after qualified directly enters the blending packing pot (7) of second aspect by transfer lime;
(4), open feed valve M, the gas sampling valve 0 of blending packing pot (7), in blending packing pot (7), add residue various materials to be added by the prescription requirement, another feed valve N that opens blending packing pot (7) again regulates with organic solvent or pure water and makes dope viscosity reach the product acceptability limit, detect the bleeder valve P that opens blending packing pot (7) after qualified, coating flows under the influence of gravity into that first aspect is totally-enclosed to filter and package in the device (8), totally-enclosed bleeder valve Q and the gas sampling valve R that filters and packages device (8) of first aspect of opening after the filtration, the packing of weighing;
Wherein the monitoring of the selection of the horizontal mill group in the step (3) and fineness comprises, fineness requirement only need insert the horizontal mill (3-2) in the horizontal mill group in the time of 50～120 microns, fineness requirement only need insert two horizontal mills (3-2) in the horizontal mill group in time below 40 microns, (3-1), parallel-series is used, configure pneumatic diaphragm pump (4) operating pressure set(ting)value, with pneumatic diaphragm pump (4) is the work of dynamic start horizontal mill group, when opening fineness monitoring mouthful (5) valve, also open the gas sampling valve K of corresponding gas sampling cover, gas sampling valve I, sand milling production is carried out automatically, the every valve that need open fineness monitoring mouthful (5) through 30～60 minutes carries out the one-time detection operation.
2. Totally closed production technology of paints according to claim 1 is characterized in that described gas sampling valve C, gas sampling valve 0, gas sampling valve R, gas sampling valve K, gas sampling valve I are connected with emission-control equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910098062XA CN101538426B (en) | 2009-04-24 | 2009-04-24 | Totally closed production technology of paints |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910098062XA CN101538426B (en) | 2009-04-24 | 2009-04-24 | Totally closed production technology of paints |
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| CN101538426A CN101538426A (en) | 2009-09-23 |
| CN101538426B true CN101538426B (en) | 2011-01-12 |
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| CN200910098062XA Expired - Fee Related CN101538426B (en) | 2009-04-24 | 2009-04-24 | Totally closed production technology of paints |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102258905A (en) * | 2011-05-19 | 2011-11-30 | 江苏森美铝颜料有限公司 | System for hermetically producing aluminum paste |
| CN102896891A (en) * | 2012-09-29 | 2013-01-30 | 汕头市东方科技有限公司 | Automatic suction device for coating |
| CN108568499B (en) * | 2018-04-27 | 2020-05-19 | 宁夏共享机床辅机有限公司 | Device of casting coating is filtered to intelligence |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85202801U (en) * | 1985-07-09 | 1986-06-04 | 王庆祥 | Fine lapper |
| CN1245189A (en) * | 1998-08-18 | 2000-02-23 | 保定保塑油墨有限公司 | High-weatherability colour acrylate paint for plastics and its preparing process |
| WO2002094443A2 (en) * | 2001-05-23 | 2002-11-28 | E.I. Du Pont De Nemours And Company | High pressure media and method of creating ultra-fine particles |
| CN1467253A (en) * | 2002-12-31 | 2004-01-14 | 叶春山 | Composite paint and method for preparing the same |
| CN201195102Y (en) * | 2008-05-29 | 2009-02-18 | 上海索维机电设备有限公司 | Paint production system |
-
2009
- 2009-04-24 CN CN200910098062XA patent/CN101538426B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85202801U (en) * | 1985-07-09 | 1986-06-04 | 王庆祥 | Fine lapper |
| CN1245189A (en) * | 1998-08-18 | 2000-02-23 | 保定保塑油墨有限公司 | High-weatherability colour acrylate paint for plastics and its preparing process |
| WO2002094443A2 (en) * | 2001-05-23 | 2002-11-28 | E.I. Du Pont De Nemours And Company | High pressure media and method of creating ultra-fine particles |
| CN1467253A (en) * | 2002-12-31 | 2004-01-14 | 叶春山 | Composite paint and method for preparing the same |
| CN201195102Y (en) * | 2008-05-29 | 2009-02-18 | 上海索维机电设备有限公司 | Paint production system |
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| CN101538426A (en) | 2009-09-23 |
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