CN105964877A - Molding sand prepared by utilizing zirconium silicon residues and a preparing method thereof - Google Patents
Molding sand prepared by utilizing zirconium silicon residues and a preparing method thereof Download PDFInfo
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- CN105964877A CN105964877A CN201610135930.7A CN201610135930A CN105964877A CN 105964877 A CN105964877 A CN 105964877A CN 201610135930 A CN201610135930 A CN 201610135930A CN 105964877 A CN105964877 A CN 105964877A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C1/00—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C1/00—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds
- B22C1/02—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds characterised by additives for special purposes, e.g. indicators, breakdown additives
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- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Treatment And Processing Of Natural Fur Or Leather (AREA)
Abstract
Molding sand prepared by utilizing zirconium silicon residues and a preparing method thereof are disclosed. The molding sand is prepared from 14-22 parts by weight of mullite sand, 23-32 parts by weight of the zirconium silicon residues, 33-47 parts by weight of Suzhou kaolin, 10-15 parts by weight of phyllite, 16-27 parts by weight of tungsten tailings, 5-10 parts by weight of rice hull ash, 12-18 parts by weight of steel slag micropowder, 15-25 parts by weight of natural emery, 4-6 parts by weight of triethanolamine, 5-10 parts by weight of glauconite, 8-14 parts by weight of boracite, 5-8 parts by weight of hydroxypropyl sesbania gum powder, 7-9 parts by weight of polyacrylamide and 106-122 parts by weight of a modifier. Through cooperation of the added zirconium silicon residues with the mullite sand, the tungsten tailings, the natural energy, the glauconite, the boracite, and the like, strength and fire proofness of the molding sand are improved; through cooperation with the phyllite, the steel slag micropowder and the rice hull ash, gas permeability of the molding sand is improved; and through cooperation with the Suzhou kaolin, the hydroxypropyl sesbania gum powder and the polyacrylamide, fluidity, and cohesiveness of the molding sand are improved.
Description
Technical field
The present invention relates to a kind of molding sand utilizing zirconium white residue to prepare and preparation method thereof, belong to molding sand technical field.
Background technology
Molding sand is most important Modeling Material in sand casting process, typically by casting model powder, moulding sand binder and additional thing
Mix according to a certain percentage Deng Modeling Material, it is also possible to natural silica sand argillaceous.Molding sand effect in Foundry Production
Particularly important, the quality of Quality of sand mold directly affects the castings such as appearance quality and foundry goods generation sand holes, pore, the burning into sand of foundry goods and lacks
Falling into, the casting wasted product caused because of the poor quality of molding sand accounts for the 30-50% of the total waste product of foundry goods.Continuous along with foundry engieering
Development, more and more higher to the performance requirement of molding sand, molding sand in the market also exists the shortcoming of combination property difference, affects foundry goods
Quality.Therefore, the molding sand developing a kind of excellent combination property has great importance.
Summary of the invention
Present invention aims to the deficiencies in the prior art, it is provided that a kind of molding sand utilizing zirconium white residue to prepare and system thereof
Preparation Method.The molding sand that the present invention prepares has mobility, caking property, breathability and the fire resistance of excellence.
The technical solution used in the present invention is as follows:
A kind of molding sand utilizing zirconium white residue to prepare, is made up of the raw material of following weight portion: do not come sand 14-22, zirconium white residue 23-
32, Suzhou soil 33-47, phyllite 10-15, Tungsten tailing 16-27, rice hull ash 5-10, slag micro powder 12-18, natural emery
15-25, triethanolamine 4-6, glauconite 5-10, boracite 8-14, hydroxypropyl TQ gums powder 5-8, polyacrylamide 7-9, improvement
Agent 106-122；
The preparation method of described modifying agent is as follows: a, take the raw material of following weight portion: polyacrylamide 18-26, Polyethylene Glycol 14-
22, calcium lignosulfonate 12-18, acetylation double starch adipate 5-10, Rhizoma amorphophalli powder 20-30, yellow starch gum 15-25, acrylic acid
Methyl ester 45-55, butyl methacrylate 30-40, liquid rosin resin 10-15, dodecylbenzene sodium sulfonate 2-3, polysorbate60
1-2, Ammonium persulfate. 0.2-0.3, sodium sulfite 0.1-0.2；B, take Rhizoma amorphophalli powder, yellow starch gum, the double starch adipic acid of acetylation
Ester mix homogeneously, adds the water being equivalent to mixture 3-5 times amount, and heating in water bath, to 75-85 DEG C, stirs 30-40min, is cooled to
40-50 DEG C, add liquid rosin resin, dodecylbenzene sodium sulfonate and polysorbate60, stir 15-20min, stand-by；C, by poly-third
Acrylamide, Polyethylene Glycol, calcium lignosulfonate mix homogeneously, add the water being equivalent to mixture 4-6 times amount, stirs 8-14min,
Adding acrylic acid methyl ester., butyl methacrylate, Ammonium persulfate., bisulfite, heating in water bath, to 70-80 DEG C, stirs 1-2h,
It is subsequently adding the solution that step b prepares, continues stirring 20-30min, be cooled to less than 45 DEG C, then regulate with saturated ammonia aqueous solution
PH value is 9-10.
The preparation method of a kind of molding sand utilizing zirconium white residue to prepare, comprises the following steps:
(1) zirconium white residue, phyllite, Tungsten tailing, glauconite, boracite are pulverized respectively, cross 150-200 mesh sieve, 30-50s is dry mixed；
(2) by Mo Laisha, Suzhou soil, rice hull ash, slag micro powder, natural emery, triethanolamine, hydroxypropyl TQ gums powder, gather
Acrylamide mixing 2-3min, then adds the water wet mixing 3-5min accounting for mixture weight 1.5-2.5%, adds step (1) and prepares
Mixture, wet mixing 4-7min；
(3) mixture that step (3) prepares is mixed with modifying agent, 1500-2500rpm high speed dispersion 5-8min, filter, i.e.
Can.
Modifying agent of the present invention is possible not only to improve the mobility of molding sand, breathability and dispersibility, can also increase type simultaneously
The performances such as the thermostability of sand, mechanical strength and plasticity, thus ensure that combination property and the quality stability of molding sand, reach to change
Kind surface quality of continuous castings, it is to avoid the appearance of the defects such as casting falling sand, burning into sand, pore.
Beneficial effects of the present invention:
The present invention add zirconium white residue, with Mo Laisha, Tungsten tailing, natural emery, glauconite, boracite etc. with the use of, can
To improve the intensity of molding sand and fire resistance, with phyllite, slag micro powder, rice hull ash with the use of, the ventilative of molding sand can be improved
Property, with Suzhou soil, hydroxypropyl TQ gums powder, polyacrylamide with the use of, the mobility of molding sand, dispersibility and viscous can be improved
Knot property.
Detailed description of the invention
A kind of molding sand utilizing zirconium white residue to prepare, is made up of the raw material of following weight (kg): do not come sand 18, zirconium white residue
29, Suzhou soil 41, phyllite 13, Tungsten tailing 23, rice hull ash 8, slag micro powder 16, natural emery 20, triethanolamine 5, sea
Green stone 8, boracite 12, hydroxypropyl TQ gums powder 7, polyacrylamide 8, modifier 116；
The preparation method of described modifying agent is as follows: a, take the raw material of following weight (kg): polyacrylamide 18, Polyethylene Glycol 14,
Calcium lignosulfonate 12, acetylation double starch adipate 5, Rhizoma amorphophalli powder 20, yellow starch gum 15, acrylic acid methyl ester. 45, metering system
Acid butyl ester 30, liquid rosin resin 10, dodecylbenzene sodium sulfonate 2, polysorbate60 1, Ammonium persulfate. 0.2, sodium sulfite
0.1；B, take Rhizoma amorphophalli powder, yellow starch gum, the double starch adipate mix homogeneously of acetylation, add the water being equivalent to mixture 3 times amount,
Heating in water bath, to 75 DEG C, stirs 30min, is cooled to 40 DEG C, adds liquid rosin resin, dodecylbenzene sodium sulfonate and tween
60, stir 15min, stand-by；C, by polyacrylamide, Polyethylene Glycol, calcium lignosulfonate mix homogeneously, add and be equivalent to mixing
The water of thing 4 times amount, stirs 8min, adds acrylic acid methyl ester., butyl methacrylate, Ammonium persulfate., bisulfite, and water-bath adds
Heat, to 70 DEG C, stirs 1h, is subsequently adding the solution that step b prepares, and continues stirring 20min, is cooled to less than 45 DEG C, then with saturated
Ammonia spirit regulation pH value is 9.
The preparation method of a kind of molding sand utilizing zirconium white residue to prepare, comprises the following steps:
(1) zirconium white residue, phyllite, Tungsten tailing, glauconite, boracite are pulverized respectively, cross 150 mesh sieves, 30s is dry mixed；
(2) by Mo Laisha, Suzhou soil, rice hull ash, slag micro powder, natural emery, triethanolamine, hydroxypropyl TQ gums powder, gather
Acrylamide mixing 2min, then adds the water wet mixing 3min accounting for mixture weight 1.5%, adds the mixing that step (1) prepares
Thing, wet mixing 4min；
(3) mixture that step (3) prepares is mixed with modifying agent, 1500rpm high speed dispersion 8min, filters,.
The performance test of the molding sand that above-described embodiment prepares is as shown in the table:
| Project | Unit | Testing result |
| Green compression strength | kPa | 171 |
| Hot green tensile strength | kPa | 5.4 |
| Water content | % | 3.3 |
| Compact rate of molding | % | 56 |
| Breathability | - | 168 |
| Shatter index | % | 89 |
| Refractoriness | ℃ | 1750 |
Claims (2)
1. one kind utilizes the molding sand that zirconium white residue prepares, it is characterised in that be made up of the raw material of following weight portion: do not carry out sand 14-
22, zirconium white residue 23-32, Suzhou soil 33-47, phyllite 10-15, Tungsten tailing 16-27, rice hull ash 5-10, slag micro powder 12-
18, natural emery 15-25, triethanolamine 4-6, glauconite 5-10, boracite 8-14, hydroxypropyl TQ gums powder 5-8, poly-third
Acrylamide 7-9, modifier 106-122；
The preparation method of described modifying agent is as follows: a, take the raw material of following weight portion: polyacrylamide 18-26, Polyethylene Glycol 14-
22, calcium lignosulfonate 12-18, acetylation double starch adipate 5-10, Rhizoma amorphophalli powder 20-30, yellow starch gum 15-25, acrylic acid
Methyl ester 45-55, butyl methacrylate 30-40, liquid rosin resin 10-15, dodecylbenzene sodium sulfonate 2-3, polysorbate60
1-2, Ammonium persulfate. 0.2-0.3, sodium sulfite 0.1-0.2；B, take Rhizoma amorphophalli powder, yellow starch gum, the double starch adipic acid of acetylation
Ester mix homogeneously, adds the water being equivalent to mixture 3-5 times amount, and heating in water bath, to 75-85 DEG C, stirs 30-40min, is cooled to
40-50 DEG C, add liquid rosin resin, dodecylbenzene sodium sulfonate and polysorbate60, stir 15-20min, stand-by；C, by poly-third
Acrylamide, Polyethylene Glycol, calcium lignosulfonate mix homogeneously, add the water being equivalent to mixture 4-6 times amount, stirs 8-14min,
Adding acrylic acid methyl ester., butyl methacrylate, Ammonium persulfate., bisulfite, heating in water bath, to 70-80 DEG C, stirs 1-2h,
It is subsequently adding the solution that step b prepares, continues stirring 20-30min, be cooled to less than 45 DEG C, then regulate with saturated ammonia aqueous solution
PH value is 9-10.
The preparation method of the molding sand utilizing zirconium white residue to prepare the most according to claim 1, it is characterised in that include following step
Rapid:
(1) zirconium white residue, phyllite, Tungsten tailing, glauconite, boracite are pulverized respectively, cross 150-200 mesh sieve, 30-50s is dry mixed；
(2) by Mo Laisha, Suzhou soil, rice hull ash, slag micro powder, natural emery, triethanolamine, hydroxypropyl TQ gums powder, gather
Acrylamide mixing 2-3min, then adds the water wet mixing 3-5min accounting for mixture weight 1.5-2.5%, adds step (1) and prepares
Mixture, wet mixing 4-7min；
(3) mixture that step (3) prepares is mixed with modifying agent, 1500-2500rpm high speed dispersion 5-8min, filter, i.e.
Can.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610135930.7A CN105964877A (en) | 2016-03-10 | 2016-03-10 | Molding sand prepared by utilizing zirconium silicon residues and a preparing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610135930.7A CN105964877A (en) | 2016-03-10 | 2016-03-10 | Molding sand prepared by utilizing zirconium silicon residues and a preparing method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105964877A true CN105964877A (en) | 2016-09-28 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610135930.7A Withdrawn CN105964877A (en) | 2016-03-10 | 2016-03-10 | Molding sand prepared by utilizing zirconium silicon residues and a preparing method thereof |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103567372A (en) * | 2013-10-11 | 2014-02-12 | 铜陵市经纬流体科技有限公司 | Molding sand with high gas permeability for casting and preparation method thereof |
| CN104525841A (en) * | 2014-12-31 | 2015-04-22 | 铜陵市经纬流体科技有限公司 | High-performance wet green sand for steel casting and preparing method thereof |
| CN104801656A (en) * | 2015-04-01 | 2015-07-29 | 江守仲 | Highly fire-resistant foundry sand for steel casting and preparation method of highly fire-resistant foundry sand |
| CN105036640A (en) * | 2015-06-29 | 2015-11-11 | 任新年 | Damp-proof waterproof binder for building and preparation method of damp-proof waterproof binder |
-
2016
- 2016-03-10 CN CN201610135930.7A patent/CN105964877A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103567372A (en) * | 2013-10-11 | 2014-02-12 | 铜陵市经纬流体科技有限公司 | Molding sand with high gas permeability for casting and preparation method thereof |
| CN104525841A (en) * | 2014-12-31 | 2015-04-22 | 铜陵市经纬流体科技有限公司 | High-performance wet green sand for steel casting and preparing method thereof |
| CN104801656A (en) * | 2015-04-01 | 2015-07-29 | 江守仲 | Highly fire-resistant foundry sand for steel casting and preparation method of highly fire-resistant foundry sand |
| CN105036640A (en) * | 2015-06-29 | 2015-11-11 | 任新年 | Damp-proof waterproof binder for building and preparation method of damp-proof waterproof binder |
Non-Patent Citations (1)
| Title |
|---|
| 工人高级操作技能训练辅导丛书编委会: "《铸造工》", 28 February 1991, 机械工业出版社 * |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20160928 |