CN102674727B - Dry forsterite sand for full-mold casting and preparation method for dry forsterite sand - Google Patents
Dry forsterite sand for full-mold casting and preparation method for dry forsterite sand Download PDFInfo
- Publication number
- CN102674727B CN102674727B CN201210135572.1A CN201210135572A CN102674727B CN 102674727 B CN102674727 B CN 102674727B CN 201210135572 A CN201210135572 A CN 201210135572A CN 102674727 B CN102674727 B CN 102674727B
- Authority
- CN
- China
- Prior art keywords
- forsterite
- dry
- sand
- forsterite sand
- organic resin
- 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.)
- Expired - Fee Related
Links
- 239000004576 sand Substances 0.000 title claims abstract description 62
- 229910052839 forsterite Inorganic materials 0.000 title claims abstract description 60
- HCWCAKKEBCNQJP-UHFFFAOYSA-N magnesium orthosilicate Chemical compound [Mg+2].[Mg+2].[O-][Si]([O-])([O-])[O-] HCWCAKKEBCNQJP-UHFFFAOYSA-N 0.000 title claims abstract description 60
- 238000002360 preparation method Methods 0.000 title abstract description 7
- 238000010115 full-mold casting Methods 0.000 title abstract 5
- 238000005266 casting Methods 0.000 claims abstract description 25
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000011347 resin Substances 0.000 claims abstract description 18
- 229920005989 resin Polymers 0.000 claims abstract description 18
- 239000008399 tap water Substances 0.000 claims abstract description 9
- 235000020679 tap water Nutrition 0.000 claims abstract description 9
- 239000002994 raw material Substances 0.000 claims abstract description 8
- 238000002156 mixing Methods 0.000 claims abstract description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 58
- 238000000034 method Methods 0.000 claims description 4
- 229910052681 coesite Inorganic materials 0.000 claims description 3
- 229910052906 cristobalite Inorganic materials 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 239000000377 silicon dioxide Substances 0.000 claims description 3
- 235000012239 silicon dioxide Nutrition 0.000 claims description 3
- 229910052682 stishovite Inorganic materials 0.000 claims description 3
- 229910052905 tridymite Inorganic materials 0.000 claims description 3
- 241001504664 Crossocheilus latius Species 0.000 claims description 2
- 239000002245 particle Substances 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000007547 defect Effects 0.000 abstract description 2
- 229910000851 Alloy steel Inorganic materials 0.000 abstract 1
- 238000007580 dry-mixing Methods 0.000 abstract 1
- 238000001035 drying Methods 0.000 abstract 1
- 238000003801 milling Methods 0.000 abstract 1
- 238000007873 sieving Methods 0.000 abstract 1
- 238000012856 packing Methods 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 2
- 239000006004 Quartz sand Substances 0.000 description 1
- 201000010001 Silicosis Diseases 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Landscapes
- Mold Materials And Core Materials (AREA)
Abstract
The invention discloses dry forsterite sand for full-mould casting and a preparation method for the dry forsterite sand. The dry forsterite sand is prepared from the following raw materials in part by weight: 80 to 96 parts of forsterite sand, 2 to 3 parts of graphite powder and 1 to 3 parts of organic resin. The preparation method comprises the following steps of: mixing the forsterite sand, the graphite powder and the organic resin in a proportion, preblending, dry-mixing, adding tap water for wet mixed milling, drying and sieving to obtain the dry forsterite sand for the full-mould casting. The dry forsterite sand for the full-mould casting can overcome the defects that the flowability and the filling property of artificial forsterite sand are insufficient, the forsterite sand is slightly alkaline and is only applicable to the production of alkaline high-alloy steel castings, and the application range is too narrow, and promotes the development of full-mold casting industry.
Description
Technical field
The present invention relates to a kind of cavityless casting and fill dry sand, particularly a kind of new cavityless casting special filling dry sand that forsterite sand is carried out to overlay film and denaturing treatment.
Background technology
General forsterite sand is artificial sand, triangular in shape or polygon, and the filling performance that flows is poor, and the forsterite sand meta-alkalescence, and application surface is narrower.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of cavityless casting forsterite dry sand and preparation method thereof, can improve the mobile filling deficiency of artificial forsterite sand and forsterite meta-alkalescence, be only applicable to alkaline high quality steel castings production, the defect that application surface is too narrow.
For solving the problems of the technologies described above, the technical solution adopted in the present invention is: a kind of cavityless casting forsterite dry sand and preparation method thereof comprises the following raw material in weight part: forsterite sand 80-96,200 purpose Graphite Powder 99 2-3, organic resin 1-3.
Preferably, a kind of cavityless casting forsterite dry sand comprises the following raw material in weight part: forsterite sand 85-96, Graphite Powder 99 2-3, organic resin 1-3.
A kind of screening formulation of cavityless casting forsterite dry sand comprises the following raw material in weight part: forsterite sand 95, Graphite Powder 99 3, organic resin 2.
According to proportioning, by forsterite sand, Graphite Powder 99 and organic resin mix, and carry out premixing and are dry mixed, then add tap water and carry out the wet mixing stone roller, drier, sieve to obtain cavityless casting forsterite dry sand.
Cavityless casting forsterite dry sand provided by the invention, both retained forsterite sand not containing free SiO2, can stop the environmental-protecting performance of silicosis; Can retain again forsterite sand in being subject to thermal process without phase transformation, performance that reusability is good, replace the quartz sand application comprehensively; The most important thing is to solve the filling of flowing of artificial forsterite sand poor, high temperature is alkalescence, and the problem that Application Areas is partially narrow improves the quality of novel cavityless casting process matching process materials, promotes the development of cavityless casting industry.
Cavityless casting forsterite dry sand preparation method provided by the invention, technique is simple, convenient for production.
Embodiment
Below in conjunction with embodiment, the invention will be further described, but the present invention is not limited.
The raw material and the important parameter thereof that in embodiment, relate to are as follows:
Forsterite sand: MgO >=38%, SiO2≤38%, vector≤10% that burns, granularity 20 orders and 30 orders.
Graphite Powder 99: C >=90%, granularity 200 orders.
Organic resin: select No. one, Guilin Powder Particle Size 140 orders.
Embodiment 1:
Get 20 purpose forsterite sand 60kg, 30 order forsterite sand 36kg Graphite Powder 99 3kg, organic resin 2 kg, after premixing is dry mixed 20 minutes, add tap water 8kg wet lapping 20 minutes, then dry (water content≤1%), then sieved, get 10 order to 30 purpose product packing warehouse-ins, obtain cavityless casting forsterite dry sand.
Embodiment 2:
Get 20 purpose forsterite sand 50kg, 30 order forsterite sand 30kg Graphite Powder 99 2kg, organic resin 3 kg, after premixing is dry mixed 20 minutes, add tap water 8kg wet lapping 20 minutes, then dry (water content≤1%), sieved, the packing warehouse-in, obtain cavityless casting forsterite dry sand again.
Embodiment 3:
Get 20 purpose forsterite sand 40kg, 30 order forsterite sand 45kg Graphite Powder 99 3kg, organic resin 3 kg, after premixing is dry mixed 20 minutes, add tap water 8kg wet lapping 20 minutes, then dry (water content≤1%), sieved, the packing warehouse-in, obtain cavityless casting forsterite dry sand again.
Embodiment 4:
Get 20 purpose forsterite sand 50kg, 30 order forsterite sand 46kg Graphite Powder 99 3kg, organic resin 3 kg, after premixing is dry mixed 20 minutes, add tap water 8kg wet lapping 20 minutes, then dry (water content≤1%), sieved, the packing warehouse-in, obtain cavityless casting forsterite dry sand again.
Embodiment 5:
Get 20 purpose forsterite sand 40kg, 30 order forsterite sand 45kg Graphite Powder 99 3kg, organic resin 3 kg, after premixing is dry mixed 20 minutes, add tap water 8kg wet lapping 20 minutes, then dry (water content≤1%), sieved, the packing warehouse-in, obtain cavityless casting forsterite dry sand again.
Embodiment 6:
Get 20 purpose forsterite sand 60kg, 30 order forsterite sand 35kg Graphite Powder 99 3kg, organic resin 2 kg, after premixing is dry mixed 20 minutes, add tap water 8kg wet lapping 20 minutes, then dry (water content≤1%), sieved, the packing warehouse-in, obtain cavityless casting forsterite dry sand again.
Claims (4)
1.
a kind of cavityless casting forsterite dry sand is characterized in that comprising the following raw material in weight part: forsterite sand 80-96,200 purpose Graphite Powder 99 2-3, organic resin 1-3; Wherein:
Forsterite sand: MgO >=38%, SiO2≤38%, vector≤10% that burns, granularity 20 orders and 30 orders;
Graphite Powder 99: C >=90%;
Organic resin: select No. one, Guilin Powder Particle Size 140 orders.
2. cavityless casting forsterite dry sand according to claim 1, is characterized in that comprising the following raw material in weight part: forsterite sand 85-96, Graphite Powder 99 2-3, organic resin 1-3.
3. cavityless casting forsterite dry sand according to claim 1, is characterized in that comprising the following raw material in weight part: forsterite sand 95, Graphite Powder 99 3, organic resin 2.
4. a method for preparing cavityless casting forsterite dry sand claimed in claim 1, it is characterized in that: according to proportioning, by forsterite sand, Graphite Powder 99 and organic resin mix, and carry out premixing and are dry mixed, then add tap water and carry out the wet mixing stone roller, drier, sieve to obtain cavityless casting forsterite dry sand.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210135572.1A CN102674727B (en) | 2012-05-04 | 2012-05-04 | Dry forsterite sand for full-mold casting and preparation method for dry forsterite sand |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210135572.1A CN102674727B (en) | 2012-05-04 | 2012-05-04 | Dry forsterite sand for full-mold casting and preparation method for dry forsterite sand |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102674727A CN102674727A (en) | 2012-09-19 |
| CN102674727B true CN102674727B (en) | 2014-01-01 |
Family
ID=46807360
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210135572.1A Expired - Fee Related CN102674727B (en) | 2012-05-04 | 2012-05-04 | Dry forsterite sand for full-mold casting and preparation method for dry forsterite sand |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102674727B (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101116908A (en) * | 2007-09-03 | 2008-02-06 | 武汉科技大学 | White olivine ladle draining sand and method for preparing the same |
-
2012
- 2012-05-04 CN CN201210135572.1A patent/CN102674727B/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101116908A (en) * | 2007-09-03 | 2008-02-06 | 武汉科技大学 | White olivine ladle draining sand and method for preparing the same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102674727A (en) | 2012-09-19 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 443131 high gorge Road, Taiping Town, Yiling District, Hubei, Yichang Patentee after: Hubei magnesium Polytron Technologies Inc. Address before: 443100 No. 40 Guangsha street, Yiling District, Hubei, Yichang Patentee before: YICHANG FUQUAN FORSTERITE CO.,LTD. |
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| CP03 | Change of name, title or address | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140101 |
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| CF01 | Termination of patent right due to non-payment of annual fee |