CN105964878A - High-gas-permeability wet molding sand used for gray iron casting and manufacturing method thereof - Google Patents

High-gas-permeability wet molding sand used for gray iron casting and manufacturing method thereof Download PDF

Info

Publication number
CN105964878A
CN105964878A CN201610135941.5A CN201610135941A CN105964878A CN 105964878 A CN105964878 A CN 105964878A CN 201610135941 A CN201610135941 A CN 201610135941A CN 105964878 A CN105964878 A CN 105964878A
Authority
CN
China
Prior art keywords
weight
parts
sand
molding sand
mixture
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN201610135941.5A
Other languages
Chinese (zh)
Inventor
赵光明
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
FANCHANG COUNTY QILIN CASTING Co Ltd
Original Assignee
FANCHANG COUNTY QILIN CASTING Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by FANCHANG COUNTY QILIN CASTING Co Ltd filed Critical FANCHANG COUNTY QILIN CASTING Co Ltd
Priority to CN201610135941.5A priority Critical patent/CN105964878A/en
Publication of CN105964878A publication Critical patent/CN105964878A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22CFOUNDRY MOULDING
    • B22C1/00Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22CFOUNDRY MOULDING
    • B22C1/00Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds
    • B22C1/02Compositions 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

Abstract

High-gas-permeability wet molding sand used for gray iron casting and a manufacturing method thereof are disclosed. The wet molding sand is manufactured from 14-22 parts by weight of quartz sand, 5-10 parts by weight of plant straw powder, 16-24 parts by weight of montmorillonite, 10-15 parts by weight of halloysite slag, 12-18 parts by weight of emery, 6-12 parts by weight of lucinite, 8-14 parts by weight of lithium china stone, 7-11 parts by weight of waste glass powder, 3-5 parts by weight of a mesoporous molecular sieve, 5-10 parts by weight of basalt, 4-8 parts by weight of hydroxypropyl distarch phosphate, 3-6 parts by weight of poly-aluminum ferric silicate and 90-110 parts by weight of a modifier. The plant straw powder, the waste glass powder, the mesoporous molecular sieve, the basalt and other raw materials added can significantly improve gas permeability of the molding sand and do not influence collapsibility, fluidity, green compression strength and plasticity of the molding sand. The molding sand is wide in raw material source, simple in mixing and low in cost. Casts manufactured are accurate in size, smooth in surface and dense in tissue and has a wide application prospect.

Description

A kind of ash iron casting highly-breathable green-sand and preparation method thereof
Technical field
The present invention relates to a kind of ash iron casting highly-breathable green-sand and preparation method thereof, belong to molding sand technical field.
Background technology
Molding sand is most important Modeling Material in sand casting process, is typically mixed according to a certain percentage by Modeling Materials such as casting model powder, moulding sand binder and additional things, it is also possible to natural silica sand argillaceous.Molding sand effect in Foundry Production is particularly important, and the quality of Quality of sand mold directly affects the casting flaws such as appearance quality and foundry goods generation sand holes, pore, the burning into sand of foundry goods, and 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.Along with the development of foundry engieering, more and more higher to the performance requirement of molding sand, the molding sand for ash iron casting also exists the shortcoming of poor air permeability in the market, affects the quality of foundry goods.Therefore, a kind of ash of exploitation iron casting highly-breathable green-sand has great importance.
Summary of the invention
Present invention aims to the deficiencies in the prior art, it is provided that a kind of ash iron casting highly-breathable green-sand and preparation method thereof.
The technical solution used in the present invention is as follows:
A kind of ash iron casting highly-breathable green-sand, is made up of the raw material of following weight portion: quartz sand 14-22, plant straw powder 5-10, montmorillonite 16-24, halloysite slag 10-15, emergy 12-18, peganite 6-12, lithium porcelain stone 8-14, scrap glass powder 7-11, mesopore molecular sieve 3-5, basalt 5-10, hydroxypropyl PASELLI EASYGEL 4-8, polymeric aluminium ferrum silicate 3-6, modifier 90-110;
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 adipate mix homogeneously of acetylation; add the water being equivalent to mixture 3-5 times amount; heating in water bath is to 75-85 DEG C; stirring 30-40min; it is cooled to 40-50 DEG C; add liquid rosin resin, dodecylbenzene sodium sulfonate and polysorbate60, stir 15-20min, stand-by;C, by polyacrylamide, Polyethylene Glycol, calcium lignosulfonate mix homogeneously, add the water being equivalent to mixture 4-6 times amount, stirring 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, continue stirring 20-30min, be cooled to less than 45 DEG C, then be 9-10 with saturated ammonia aqueous solution regulation pH value.
The preparation method of a kind of ash iron casting highly-breathable green-sand, comprises the following steps:
(1) halloysite slag, peganite, lithium porcelain stone, basalt are pulverized respectively, cross 100-150 mu sieve, 20-40s is dry mixed;
(2) quartz sand, plant straw powder, scrap glass powder, mesopore molecular sieve, hydroxypropyl PASELLI EASYGEL, polymeric aluminium ferrum silicate are dry mixed 30-50s, then the water wet mixing 1-2min accounting for mixture weight 2-4% is added, add the mixture that step (1) prepares, wet mixing 2-3min;
(3) mixture that step (3) prepares is mixed with modifying agent, 2000-3000rpm high speed dispersion 3-4min, filters,.
Modifying agent of the present invention is possible not only to improve the mobility of molding sand, breathability and dispersibility, the performances such as the thermostability of molding sand, mechanical strength and plasticity can also be increased simultaneously, thus ensure that combination property and the quality stability of molding sand, reach to improve 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 raw materials such as the plant straw powder of present invention interpolation, scrap glass powder, mesopore molecular sieve, basalt, can significantly improve type sand permeability, and not affect the collapsibility of molding sand, mobility, green compression strength and plasticity.Molding sand raw material sources of the present invention are extensive, are blended simple, with low cost, it is thus achieved that the size of foundry goods accurately, any surface finish, dense structure, application prospect is boundless.
Detailed description of the invention
A kind of ash iron casting highly-breathable green-sand, is made up of the raw material of following weight (kg): quartz sand 18, plant straw powder 7, montmorillonite 20, halloysite slag 12, emergy 16, peganite 8, lithium porcelain stone 12, scrap glass powder 9, mesopore molecular sieve 4, basalt 8, hydroxypropyl PASELLI EASYGEL 6, polymeric aluminium ferrum silicate 4.5, modifier 100;
The preparation method of described modifying agent is as follows: a, take the raw material of following weight (kg): polyacrylamide 22, Polyethylene Glycol 18, calcium lignosulfonate 16, acetylation double starch adipate 8, Rhizoma amorphophalli powder 25, yellow starch gum 20, acrylic acid methyl ester. 50, butyl methacrylate 35, liquid rosin resin 12, dodecylbenzene sodium sulfonate 2.5, polysorbate60 1.5, Ammonium persulfate. 0.25, sodium sulfite 0.15;B, take Rhizoma amorphophalli powder, yellow starch gum, the double starch adipate mix homogeneously of acetylation, add the water being equivalent to mixture 4 times amount, heating in water bath to 80 DEG C; stirring 35min, is cooled to 45 DEG C, adds liquid rosin resin, dodecylbenzene sodium sulfonate and polysorbate60; stirring 16min, stand-by;C, by polyacrylamide, Polyethylene Glycol, calcium lignosulfonate mix homogeneously, add the water being equivalent to mixture 5 times amount, stirring 12min, add acrylic acid methyl ester., butyl methacrylate, Ammonium persulfate., bisulfite, heating in water bath to 75 DEG C, stirs 1.5h, it is subsequently adding the solution that step b prepares, continue stirring 25min, be cooled to less than 45 DEG C, then be 9 with saturated ammonia aqueous solution regulation pH value.
The preparation method of a kind of ash iron casting highly-breathable green-sand, comprises the following steps:
(1) halloysite slag, peganite, lithium porcelain stone, basalt are pulverized respectively, cross 150 mu of sieves, 30s is dry mixed;
(2) quartz sand, plant straw powder, scrap glass powder, mesopore molecular sieve, hydroxypropyl PASELLI EASYGEL, polymeric aluminium ferrum silicate are dry mixed 40s, then the water wet mixing 1min accounting for mixture weight 3% is added, add the mixture that step (1) prepares, wet mixing 2min;
(3) mixture that step (3) prepares is mixed with modifying agent, 2500rpm high speed dispersion 3min, 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 164
Hot green tensile strength kPa 4.3
Water content % 4.1
Compact rate of molding % 49
Breathability - 173
Shatter index % 87
Refractoriness 1680

Claims (2)

1. a grey iron casting highly-breathable green-sand, it is characterized in that, be made up of the raw material of following weight portion: quartz sand 14-22, plant straw powder 5-10, montmorillonite 16-24, halloysite slag 10-15, emergy 12-18, peganite 6-12, lithium porcelain stone 8-14, scrap glass powder 7-11, mesopore molecular sieve 3-5, basalt 5-10, hydroxypropyl PASELLI EASYGEL 4-8, polymeric aluminium ferrum silicate 3-6, modifier 90-110;
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 adipate mix homogeneously of acetylation; add the water being equivalent to mixture 3-5 times amount; heating in water bath is to 75-85 DEG C; stirring 30-40min; it is cooled to 40-50 DEG C; add liquid rosin resin, dodecylbenzene sodium sulfonate and polysorbate60, stir 15-20min, stand-by;C, by polyacrylamide, Polyethylene Glycol, calcium lignosulfonate mix homogeneously, add the water being equivalent to mixture 4-6 times amount, stirring 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, continue stirring 20-30min, be cooled to less than 45 DEG C, then be 9-10 with saturated ammonia aqueous solution regulation pH value.
The preparation method of ash iron casting highly-breathable green-sand the most according to claim 1, it is characterised in that comprise the following steps:
(1) halloysite slag, peganite, lithium porcelain stone, basalt are pulverized respectively, cross 100-150 mu sieve, 20-40s is dry mixed;
(2) quartz sand, plant straw powder, scrap glass powder, mesopore molecular sieve, hydroxypropyl PASELLI EASYGEL, polymeric aluminium ferrum silicate are dry mixed 30-50s, then the water wet mixing 1-2min accounting for mixture weight 2-4% is added, add the mixture that step (1) prepares, wet mixing 2-3min;
(3) mixture that step (3) prepares is mixed with modifying agent, 2000-3000rpm high speed dispersion 3-5min, filters,.
CN201610135941.5A 2016-03-10 2016-03-10 High-gas-permeability wet molding sand used for gray iron casting and manufacturing method thereof Withdrawn CN105964878A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610135941.5A CN105964878A (en) 2016-03-10 2016-03-10 High-gas-permeability wet molding sand used for gray iron casting and manufacturing method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610135941.5A CN105964878A (en) 2016-03-10 2016-03-10 High-gas-permeability wet molding sand used for gray iron casting and manufacturing method thereof

Publications (1)

Publication Number Publication Date
CN105964878A true CN105964878A (en) 2016-09-28

Family

ID=56988655

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610135941.5A Withdrawn CN105964878A (en) 2016-03-10 2016-03-10 High-gas-permeability wet molding sand used for gray iron casting and manufacturing method thereof

Country Status (1)

Country Link
CN (1) CN105964878A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107737865A (en) * 2017-10-12 2018-02-27 东风精密铸造安徽有限公司 A kind of casting sand

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103042162A (en) * 2012-12-25 2013-04-17 马鞍山市万鑫铸造有限公司 Argil contained moulding sand and preparation method thereof
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
CN103570367A (en) * 2013-10-11 2014-02-12 铜陵市经纬流体科技有限公司 High fire-resistant molding sand for casting and preparation method thereof
CN103567369A (en) * 2013-10-11 2014-02-12 铜陵市经纬流体科技有限公司 Clay molding sand for cast steel and preparation method thereof
CN104057014A (en) * 2014-05-28 2014-09-24 安徽鑫润新型材料有限公司 Gray iron casting moulding sand and preparation method thereof
CN104525832A (en) * 2014-12-01 2015-04-22 繁昌县恒鑫汽车零部件有限公司 High-air-permeability molding sand for casting of large pieces 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
CN104801655A (en) * 2015-04-01 2015-07-29 江守仲 High-strength foundry casting sand and preparation method thereof
CN104858357A (en) * 2015-05-07 2015-08-26 马鞍山市恒毅机械制造有限公司 Precoated sand with high-temperature resistance and good compactness and preparation method thereof

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103042162A (en) * 2012-12-25 2013-04-17 马鞍山市万鑫铸造有限公司 Argil contained moulding sand and preparation method thereof
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
CN103570367A (en) * 2013-10-11 2014-02-12 铜陵市经纬流体科技有限公司 High fire-resistant molding sand for casting and preparation method thereof
CN103567369A (en) * 2013-10-11 2014-02-12 铜陵市经纬流体科技有限公司 Clay molding sand for cast steel and preparation method thereof
CN104057014A (en) * 2014-05-28 2014-09-24 安徽鑫润新型材料有限公司 Gray iron casting moulding sand and preparation method thereof
CN104525832A (en) * 2014-12-01 2015-04-22 繁昌县恒鑫汽车零部件有限公司 High-air-permeability molding sand for casting of large pieces 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
CN104801655A (en) * 2015-04-01 2015-07-29 江守仲 High-strength foundry casting sand and preparation method thereof
CN104858357A (en) * 2015-05-07 2015-08-26 马鞍山市恒毅机械制造有限公司 Precoated sand with high-temperature resistance and good compactness and preparation method thereof

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
工人高级操作技能训练辅导丛书编委会: "《铸造》", 28 February 1991, 机械工业出版社 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107737865A (en) * 2017-10-12 2018-02-27 东风精密铸造安徽有限公司 A kind of casting sand

Similar Documents

Publication Publication Date Title
CN102380576B (en) Mixed casting molding sand and preparation method thereof
CN104057014B (en) A kind of molding sand for casting gray iron and preparation method thereof
CN1022094C (en) Moulding sand for casting
CN104150948B (en) A kind of composite light ceramic ecological building materials with humidity conditioning function and preparation method thereof
CN106064911A (en) A kind of 3D prints with dry-mixed mortar material and preparation thereof and application
CN106904914B (en) A kind of machine spray drying mixed plastering mortar
CN104325065B (en) A kind of precoated sand and preparation method thereof
CN105294040B (en) A kind of Thistle board and preparation method thereof
CN104788054A (en) Eco-friendly self-compacting concrete prepared through complete recycling of waste concrete
CN104057018A (en) Casting molding sand and preparation method thereof
CN104016617B (en) A concrete reinforcing agent and a preparing method thereof
CN102921878B (en) Precoated sand and preparation method thereof
CN104226888B (en) A kind of easy defeated and dispersed precoated sand and preparation method thereof
CN103553448A (en) Ceramsite water permeable brick and preparation method thereof
CN106040965B (en) A kind of moulding sand for casting
CA3015239C (en) Curing agent for water glass molding and manufacturing method and use thereof
CN103521681A (en) Molding sand and preparation method thereof
CN104107875A (en) Furan resin self-hardening sand and preparation method thereof
CN105964891B (en) A kind of phosphate inorganic adhesive sand with high fluidity and preparation method thereof
CN105541223B (en) A kind of PHC tubular pile concretes and preparation method thereof
CN103567369A (en) Clay molding sand for cast steel and preparation method thereof
CN103467020B (en) Energy-saving and environment-friendly building ornament material and preparation method thereof
CN102728775B (en) Molding sand containing wood fiber and production method thereof
CN100352576C (en) Molding sand and preparation method
CN104140230A (en) Aerated concrete dry-blended plastering mortar and preparing method thereof

Legal Events

Date Code Title Description
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