CN105170883A - Corundum residue-aluminum profile factory industrial sludge lost foam casting coating and preparing method thereof - Google Patents
Corundum residue-aluminum profile factory industrial sludge lost foam casting coating and preparing method thereof Download PDFInfo
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- CN105170883A CN105170883A CN201510457806.8A CN201510457806A CN105170883A CN 105170883 A CN105170883 A CN 105170883A CN 201510457806 A CN201510457806 A CN 201510457806A CN 105170883 A CN105170883 A CN 105170883A
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Abstract
The invention relates to a corundum residue-aluminum profile factory industrial sludge lost foam casting coating and a preparing method thereof. The lost foam casting coating which is excellent in using performance and low in production cost is prepared with corundum residues, aluminum profile factory industrial sludge, magnesia, kieselguhr, kaolin fine powder, zinc-aluminum spinel fine powder, dolomite, serpentine, zirconia, yttria, N-beta(diethyl aminoethyl)-gamma-(Trimethoxysilyl)-1-propanamine, isopropyl-3-(dioctyl phosphoryl) titanate, melamino-formaldehyde resin, dicumyl peroxide, hexamine, polypropylene glycol diglycidyl ether, propylene glycol methyl ether acetate, polyvinyl alcohol fibers, sodium hexametaphosphate, hydroxyl cellulose sodium, ethanol and water as raw materials; and the aims of comprehensively recovering the corundum residues and the aluminum profile factory industrial sludge and reducing the production cost are achieved.
Description
Technical field
The invention belongs to lost foam casting coating field, particularly relate to a kind of corundum slag-waste aluminum sludge lost foam casting coating and preparation method thereof.
Background technology
Technology of EPC is a kind of casting technique emerging in casting industry, lost foam casting process refers to and to be made into and required cast shape structure, the identical apperance of size with foamed plastics (EPS, ETMMA or EPMMA), brushing fireproof coating post-drying, imbed moulding in special sandbox dry sand (generally using quartz sand), pour into a mould under the certain negative pressure state of maintenance, apperance is by thermal evaporation decomposition, and molten metal constantly occupies final molding after modal position.Lost foam casting is mainly called dry sand cavityless casting, vacuum full mold casting at home, and the external EPC of abbreviation casts.
Lost foam casting process the most ripe is at present the batch production for automobile casting, and the product produced has aluminium alloy castings (as air inlet pipe, gray iron etc.) and ironcasting (as bent axle, cylinder cap, case of transmission, blast pipe etc.).Practice at home and abroad proves, lost foam casting has huge development potentiality in production automobile casting.Current, the automobile work of China is in developing period, estimates that automobile casting output has increase by a relatively large margin within from now on period, simultaneously will be stricter to the requirement of automobile casting quality.The development of auto industry, for China's casting industry brings opportunities and challenges, also brings new opportunity for promoting in China and developing Technology of EPC.
Lost foam casting is for producing success or not in enormous quantities, and 50% depends on apperance, and 30% depends on coating, and 20% depends on other technological factor.Undoubtedly, coating obtains the requisite process procedure of premium casting, and research and production confirm all, and for lost foam casting process, coating can make its potentiality succeeded greatly increase.Abroad to the research starting comparatively morning of lost foam casting coating, oneself is through there being the coating of some commodity, but price is partially expensive, causes production cost to improve, and limits the development of lost foam casting process to a certain extent.At present, existing Duo Jia colleges and universities of China and research unit carry out the research and development of the links such as model material, moulding process, coating technology, tooling device for lost foam casting, obtain certain achievement, such as, but still have larger gap compared with abroad, the commercialized degree of coating is very poor.Therefore, for promoting applying of this advanced manufacturing technology of lost foam casting, in conjunction with Domestic Resources situation, start with from each constituent species and the impact of addition on coating property of studying coating, the cost of the applicable China's national situation of development is low, the measured lost foam casting coating of matter, and the production domesticization realizing lost foam casting coating is very important.
Summary of the invention
The object of this invention is to provide one and can overcome above-mentioned defect, utilize corundum slag-waste aluminum sludge production and application function admirable, lost foam casting coating that production cost is low, to reach comprehensive reutilization corundum slag-waste aluminum sludge and to reduce the object of producing lost foam casting coating cost.
For achieving the above object, the present invention adopts following technical scheme:
A kind of corundum slag-waste aluminum sludge lost foam casting coating, it is characterized in that, described lost foam casting coating is made up of the raw material of following weight portion:
Corundum slag 43-47 part
Waste aluminum sludge 44-46 part
Magnesia 23-26 part
Diatomite 7-10 part
Kaolin fine powder 2-5 part
Gahnite fine powder 2 ~ 5 parts
Dolomite 6-9 part
2 ~ 4 parts, serpentine
Zirconia 2 ~ 3 parts
Yittrium oxide 2 ~ 3 parts
N-β (amino-ethyl)-gamma-amino propyl trimethoxy silicane 4-7 part
Isopropyl three (dioctyl phosphoryl) titanate esters 6-10 part
Melamine resin 2-4 part
Cumyl peroxide 0.3-0.6 part
Hexa 3-5 part
Polypropylene glycol diglycidyl ether 0.4-0.6 part
1-Methoxy-2-propyl acetate 0.3-0.6 part
Vinal 1 ~ 3 part
Calgon 2 ~ 3 parts
Hydroxy cellulose sodium 2 ~ 3 parts
Ethanol 30-40 part
Water 8-15 part;
The chemical composition of described corundum slag is Al
2o
360-87wt%, CaO4-11wt%, MgO8-14wt%;
The chemical composition of described waste aluminum sludge is SiO
22.54wt%, Al
2o
358.6wt%, CaO0.48wt%, Fe
2o
30.27wt%, MgO0.37wt%, K
2o0.04wt%, Na
2o0.34wt%;
Content of magnesia >=95wt% in described magnesia.
The preparation method of described corundum slag-waste aluminum sludge lost foam casting coating, is characterized in that, comprise the following steps:
1) 43-47 part corundum slag, 44-46 part waste aluminum sludge, 23-26 part magnesia, 7-10 part diatomite, 2-5 part kaolin fine powder, 2 ~ 5 parts of gahnite fine powders, 6-9 part dolomite, 2 ~ 4 parts of serpentines, 2 ~ 3 parts of zirconias, 2 ~ 3 parts of yittrium oxide are put into ball mill ball milling 2 hours, mix, then sieve, obtain the mixed material of below 200 orders;
2) reactor is opened, 4-7 part N-β (amino-ethyl)-gamma-amino propyl trimethoxy silicane, 6-10 part isopropyl three (dioctyl phosphoryl) titanate esters, 30-40 part ethanol, 8-15 part water are joined in reactor, under agitation be hydrolyzed reaction, rotating speed is 1200r/min, reaction temperature is 80 DEG C, mixing time is 30min, obtains the alcohol solution of coupling agent;
3) step 1) gained mixed material material is joined step 2) in coupling agent alcohol solution in, at 80 DEG C stir 2 hours; And then 2-4 part melamine resin, 0.3-0.6 part cumyl peroxide, 3-5 part hexa, 0.4-0.6 part polypropylene glycol diglycidyl ether, 0.3-0.6 part 1-Methoxy-2-propyl acetate, 1 ~ 3 part of vinal, 2 ~ 3 parts of calgons, 2 ~ 3 parts of hydroxy cellulose sodiums are joined in reactor, continue to stir 30min, i.e. obtained corundum slag-waste aluminum sludge lost foam casting coating.
Compared with prior art, its advantage is in the present invention:
1) make use of the industrial solid castoff such as corundum slag, waste aluminum sludge and prepare lost foam casting coating preparing in coating process, greatly reduce the manufacturing cost of refractory material;
2) and by N-β (amino-ethyl)-gamma-amino propyl trimethoxy silicane and isopropyl three (dioctyl phosphoryl) titanate esters, surface modification treatment has been carried out to corundum slag, waste aluminum sludge, magnesia, diatomite, kaolin fine powder, gahnite fine powder, dolomite, serpentine, zirconia, yittrium oxide; improve caking property and the dispersiveness of material and base-material; at high temperature structure is more stable to make lost foam casting coating, substantially increases lost foam casting coating fire endurance.
Detailed description of the invention
Embodiment 1
A kind of corundum slag-waste aluminum sludge lost foam casting coating, it is characterized in that, described lost foam casting coating is made up of the raw material of following weight portion:
Corundum slag 43 parts
Waste aluminum sludge 44 parts
23 parts, magnesia
7 parts, diatomite
Kaolin fine powder 2 parts
Gahnite fine powder 2 parts
Dolomite 6 parts
2 parts, serpentine
Zirconia 2 parts
Yittrium oxide 2 parts
N-β (amino-ethyl)-gamma-amino propyl trimethoxy silicane 4 parts
Isopropyl three (dioctyl phosphoryl) titanate esters 6-part
Melamine resin 2 parts
Cumyl peroxide 0.3 part
Hexa 3 parts
Polypropylene glycol diglycidyl ether 0.4 part
1-Methoxy-2-propyl acetate 0.3 part
Vinal 1 part
Calgon 2 parts
Hydroxy cellulose sodium 2 parts
Ethanol 30 parts
8 parts, water;
The preparation method of described corundum slag-waste aluminum sludge lost foam casting coating, comprises the following steps:
1) 43 parts of corundum slags, 44 parts of waste aluminum sludges, 23 parts of magnesia, 7 parts of diatomite, 2 parts of kaolin fine powders, 2 parts of gahnite fine powders, 6 parts of dolomites, 2 parts of serpentines, 2 parts of zirconias, 2 parts of yittrium oxide are put into ball mill ball milling 2 hours, mix, then sieve, obtain the mixed material of below 200 orders;
2) reactor is opened, 4 parts of N-β (amino-ethyl)-gamma-amino propyl trimethoxy silicanes, 6 parts of isopropyl three (dioctyl phosphoryl) titanate esters, 30 parts of ethanol, 8 parts of water are joined in reactor, under agitation be hydrolyzed reaction, rotating speed is 1200r/min, reaction temperature is 80 DEG C, mixing time is 30min, obtains the alcohol solution of coupling agent;
3) step 1) gained mixed material material is joined step 2) in coupling agent alcohol solution in, at 80 DEG C stir 2 hours; And then 2 parts of melamine resins, 0.3 part of cumyl peroxide, 3 parts of hexas, 0.4 part of polypropylene glycol diglycidyl ether, 0.3 part of 1-Methoxy-2-propyl acetate, 1 part of vinal, 2 parts of calgons, 2 parts of hydroxy cellulose sodiums are joined in reactor, continue to stir 30min, i.e. obtained corundum slag-waste aluminum sludge lost foam casting coating.
Embodiment 2
A kind of corundum slag-waste aluminum sludge lost foam casting coating, it is characterized in that, described lost foam casting coating is made up of the raw material of following weight portion:
Corundum slag 47 parts
Waste aluminum sludge 46 parts
26 parts, magnesia
10 parts, diatomite
Kaolin fine powder 5 parts
Gahnite fine powder 5 parts
Dolomite 9 parts
4 parts, serpentine
Zirconia 3 parts
Yittrium oxide 3 parts
N-β (amino-ethyl)-gamma-amino propyl trimethoxy silicane 7 parts
Isopropyl three (dioctyl phosphoryl) titanate esters 10 parts
Melamine resin 4 parts
Cumyl peroxide 0.6 part
Hexa 5 parts
Polypropylene glycol diglycidyl ether 0.6 part
1-Methoxy-2-propyl acetate 0.6 part
Vinal 3 parts
Calgon 3 parts
Hydroxy cellulose sodium 3 parts
Ethanol 40 parts
15 parts, water;
The preparation method of described corundum slag-waste aluminum sludge lost foam casting coating, comprises the following steps:
1) 47 parts of corundum slags, 46 parts of waste aluminum sludges, 26 parts of magnesia, 10 parts of diatomite, 5 parts of kaolin fine powders, 5 parts of gahnite fine powders, 9 parts of dolomites, 4 parts of serpentines, 3 parts of zirconias, 3 parts of yittrium oxide are put into ball mill ball milling 2 hours, mix, then sieve, obtain the mixed material of below 200 orders;
2) reactor is opened, 7 parts of N-β (amino-ethyl)-gamma-amino propyl trimethoxy silicanes, 10 parts of isopropyl three (dioctyl phosphoryl) titanate esters, 40 parts of ethanol, 15 parts of water are joined in reactor, under agitation be hydrolyzed reaction, rotating speed is 1200r/min, reaction temperature is 80 DEG C, mixing time is 30min, obtains the alcohol solution of coupling agent;
3) step 1) gained mixed material material is joined step 2) in coupling agent alcohol solution in, at 80 DEG C stir 2 hours; And then 4 parts of melamine resins, 0.6 part of cumyl peroxide, 5 parts of hexas, 0.6 part of polypropylene glycol diglycidyl ether, 0.6 part of 1-Methoxy-2-propyl acetate, 3 parts of vinals, 3 parts of calgons, 3 parts of hydroxy cellulose sodiums are joined in reactor, continue to stir 30min, i.e. obtained corundum slag-waste aluminum sludge lost foam casting coating.
Claims (3)
1. corundum slag-waste aluminum sludge lost foam casting coating, is characterized in that, described lost foam casting coating is made up of the raw material of following weight portion:
Corundum slag 43-47 part
Waste aluminum sludge 44-46 part
Magnesia 23-26 part
Diatomite 7-10 part
Kaolin fine powder 2-5 part
Gahnite fine powder 2 ~ 5 parts
Dolomite 6-9 part
2 ~ 4 parts, serpentine
Zirconia 2 ~ 3 parts
Yittrium oxide 2 ~ 3 parts
N-β (amino-ethyl)-gamma-amino propyl trimethoxy silicane 4-7 part
Isopropyl three (dioctyl phosphoryl) titanate esters 6-10 part
Melamine resin 2-4 part
Cumyl peroxide 0.3-0.6 part
Hexa 3-5 part
Polypropylene glycol diglycidyl ether 0.4-0.6 part
1-Methoxy-2-propyl acetate 0.3-0.6 part
Vinal 1 ~ 3 part
Calgon 2 ~ 3 parts
Hydroxy cellulose sodium 2 ~ 3 parts
Ethanol 30-40 part
Water 8-15 part.
2. lost foam casting coating as described in claim 1, it is characterized in that, the chemical composition of described corundum slag is Al
2o
360-87wt%, CaO4-11wt%, MgO8-14wt%;
The chemical composition of described waste aluminum sludge is SiO
22.54wt%, Al
2o
358.6wt%, CaO0.48wt%, Fe
2o
30.27wt%, MgO0.37wt%, K
2o0.04wt%, Na
2o0.34wt%;
Content of magnesia >=95wt% in described magnesia.
3. the preparation method of corundum slag according to claim 1 and 2-waste aluminum sludge lost foam casting coating, is characterized in that, comprise the following steps:
1) 43-47 part corundum slag, 44-46 part waste aluminum sludge, 23-26 part magnesia, 7-10 part diatomite, 2-5 part kaolin fine powder, 2 ~ 5 parts of gahnite fine powders, 6-9 part dolomite, 2 ~ 4 parts of serpentines, 2 ~ 3 parts of zirconias, 2 ~ 3 parts of yittrium oxide are put into ball mill ball milling 2 hours, mix, then sieve, obtain the mixed material of below 200 orders;
2) reactor is opened, 4-7 part N-β (amino-ethyl)-gamma-amino propyl trimethoxy silicane, 6-10 part isopropyl three (dioctyl phosphoryl) titanate esters, 30-40 part ethanol, 8-15 part water are joined in reactor, under agitation be hydrolyzed reaction, rotating speed is 1200r/min, reaction temperature is 80 DEG C, mixing time is 30min, obtains the alcohol solution of coupling agent;
3) step 1) gained mixed material material is joined step 2) in coupling agent alcohol solution in, at 80 DEG C stir 2 hours; And then 2-4 part melamine resin, 0.3-0.6 part cumyl peroxide, 3-5 part hexa, 0.4-0.6 part polypropylene glycol diglycidyl ether, 0.3-0.6 part 1-Methoxy-2-propyl acetate, 1 ~ 3 part of vinal, 2 ~ 3 parts of calgons, 2 ~ 3 parts of hydroxy cellulose sodiums are joined in reactor, continue to stir 30min, i.e. obtained corundum slag-waste aluminum sludge lost foam casting coating.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510457806.8A CN105170883A (en) | 2015-07-30 | 2015-07-30 | Corundum residue-aluminum profile factory industrial sludge lost foam casting coating and preparing method thereof |
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| CN105170883A true CN105170883A (en) | 2015-12-23 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101497104A (en) * | 2009-03-11 | 2009-08-05 | 杨玉光 | Lost foam paint and method for producing the same |
| CN101642796A (en) * | 2009-08-28 | 2010-02-10 | 深圳市景鼎现代科技有限公司 | Formula and preparation process of alcohol group nanometer composite and surface modified dry powder mold paint |
| CN103447454A (en) * | 2013-08-26 | 2013-12-18 | 宁夏共享集团有限责任公司 | Water-based paint of lost foam for iron casting, and production method of water-based paint |
| CN104190859A (en) * | 2014-06-26 | 2014-12-10 | 芜湖市鸿坤汽车零部件有限公司 | Alcohol-based casting coating for lost foam casting and manufacturing method thereof |
| CN104439045A (en) * | 2014-11-08 | 2015-03-25 | 芜湖市鸿坤汽车零部件有限公司 | Rice hull lost foam alcohol-based casting coating and preparation method thereof |
| CN104624922A (en) * | 2015-01-29 | 2015-05-20 | 石家庄满鼎福铸造有限公司 | Lost foam casting coating for gray cast iron and preparation method of lost foam casting coating |
-
2015
- 2015-07-30 CN CN201510457806.8A patent/CN105170883A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101497104A (en) * | 2009-03-11 | 2009-08-05 | 杨玉光 | Lost foam paint and method for producing the same |
| CN101642796A (en) * | 2009-08-28 | 2010-02-10 | 深圳市景鼎现代科技有限公司 | Formula and preparation process of alcohol group nanometer composite and surface modified dry powder mold paint |
| CN103447454A (en) * | 2013-08-26 | 2013-12-18 | 宁夏共享集团有限责任公司 | Water-based paint of lost foam for iron casting, and production method of water-based paint |
| CN104190859A (en) * | 2014-06-26 | 2014-12-10 | 芜湖市鸿坤汽车零部件有限公司 | Alcohol-based casting coating for lost foam casting and manufacturing method thereof |
| CN104439045A (en) * | 2014-11-08 | 2015-03-25 | 芜湖市鸿坤汽车零部件有限公司 | Rice hull lost foam alcohol-based casting coating and preparation method thereof |
| CN104624922A (en) * | 2015-01-29 | 2015-05-20 | 石家庄满鼎福铸造有限公司 | Lost foam casting coating for gray cast iron and preparation method of lost foam casting coating |
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| PB01 | Publication | ||
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Application publication date: 20151223 |