CN112317680A - Composite resin adhesive for sand mold of electric melting alumina brick, preparation method and sand mold material produced by composite resin adhesive - Google Patents
Composite resin adhesive for sand mold of electric melting alumina brick, preparation method and sand mold material produced by composite resin adhesive Download PDFInfo
- Publication number
- CN112317680A CN112317680A CN202011233997.7A CN202011233997A CN112317680A CN 112317680 A CN112317680 A CN 112317680A CN 202011233997 A CN202011233997 A CN 202011233997A CN 112317680 A CN112317680 A CN 112317680A
- Authority
- CN
- China
- Prior art keywords
- sand mold
- composite resin
- resin adhesive
- parts
- sand
- 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.)
- Pending
Links
Classifications
-
- 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
- B22C1/16—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds characterised by the use of binding agents; Mixtures of binding agents
- B22C1/167—Mixtures of inorganic and organic binding agents
Abstract
The invention discloses a composite resin adhesive for an electric melting alumina brick sand mold, a preparation method and a sand mold material produced by the composite resin adhesive. The composite resin adhesive has low comprehensive cost, and the compounding of potassium hydroxide, lithium hydroxide and water glass can increase the bonding strength of the adhesive, so that the composite adhesive has obvious water resistance, and the sand mold does not get damp and creep in a humid environment. The sodium polyacrylate, the sodium tripolyphosphate and the sodium carboxymethyl starch can thicken, increase viscosity and purify feed liquid. The sand mold produced by the invention has self-hardening characteristic, and the integrated sand mold can be manufactured without drying, so that the manufacturing cost of the sand mold is reduced, time and labor are saved, and the manufacturing efficiency of the sand mold is obviously improved. Because the sand mould is made from the original scattered plates into an integral mould, the regularity and the precision of the sand mould are obviously improved.
Description
Technical Field
The invention relates to an electric smelting alumina brick sand mold material, in particular to a composite resin adhesive for an electric smelting alumina brick sand mold, a preparation method and a sand mold material produced by the same.
Background
At present, the sand mould of the electric melting alumina brick is produced by using aluminium dihydrogen phosphate and high alumina cement as adhesives and white corundum sand mould main materials. However, it has the following problems: firstly, the material price is high, the market price of the aluminum dihydrogen phosphate and the high-alumina cement is about 3000 yuan per ton, and the market price of the white corundum is about 6000 yuan per ton, so that the manufacturing cost of the sand mold is high; secondly, the sand mould manufacturing efficiency is low, the sand mould is manufactured in a scattered board splicing mode, 12 persons are needed for manufacturing 20 tons of sand moulds, and the efficiency is low. And the regularity of the sand mold spliced by the scattered plates is poor, so that the local processing amount of blank bricks is huge, and a great deal of waste is formed. Meanwhile, the scattered plates need a heating and drying system, and the drying cost of each ton of sand mold is about 105 yuan, so that the manufacturing cost of the sand mold is further increased. Therefore, the research on the electro-melting alumina brick sand mold material with low price and high manufacturing efficiency is of great significance.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide the composite resin adhesive for the sand mold of the electric melting alumina brick, the preparation method and the sand mold material produced by the composite resin adhesive.
In order to achieve the above object, one of the technical solutions of the present invention is:
the composite resin adhesive for the sand mold of the electric melting alumina brick comprises the following raw materials in parts by weight: 1-2 parts of lithium hydroxide, 7-9 parts of potassium hydroxide, 0.5-1 part of sodium polyacrylate, 2-3 parts of sodium carboxymethyl starch, 3-5 parts of sodium tripolyphosphate and 86.5-90 parts of water glass.
Preferably, the composite resin adhesive for the sand mold of the electric smelting alumina brick comprises the following raw materials in parts by weight: 1 part of lithium hydroxide, 7 parts of potassium hydroxide, 0.5 part of sodium polyacrylate, 2 parts of sodium carboxymethyl starch, 3 parts of sodium tripolyphosphate and 86.5 parts of water glass.
The modulus of the water glass is 2.2-2.4.
One of the technical schemes of the invention is as follows: a preparation method of composite resin adhesive for sand mold of electric melting alumina brick comprises mixing raw materials, stirring for 0.5-1h, standing for over 36h, collecting clear material liquid at upper part and flocculent impurities at bottom, and removing flocculent impurities.
One of the technical schemes of the invention is as follows: an electrically-fused alumina brick sand mold material comprises 2.5-3% of Baozhu sand and Baozhu sand by weight of a composite resin adhesive and 13-15% of an organic ester curing agent by weight of the composite resin adhesive.
One of the technical schemes of the invention is as follows: a method for producing sand mold material of electric melting alumina brick comprises mixing the above raw materials.
The invention has the beneficial effects that:
1. the invention uses lithium hydroxide, potassium hydroxide, sodium polyacrylate, sodium carboxymethyl starch, sodium tripolyphosphate and sodium silicate as composite resin adhesives, uses baozhu sand as a sand mold main material to replace the prior sand mold which uses aluminum dihydrogen phosphate and high alumina cement as adhesives and white corundum as main materials, and prepares the novel electro-melting alumina brick sand mold material.
2. The composite resin adhesive has the comprehensive cost price of about 2100 yuan per ton and the market price of 2000 yuan per ton of Baozhu sand for sand molds, and compared with the sand molds which take aluminum dihydrogen phosphate and high alumina cement as adhesives and white corundum as main materials, the cost is reduced by more than 50%.
3. The sand mold produced by using the composite resin adhesive has the self-hardening characteristic, and the integrated sand mold can be manufactured without drying, so that the manufacturing cost of the sand mold is reduced, time and labor are saved, and the manufacturing efficiency of the sand mold is improved by over 35 percent. Meanwhile, the sand mould is manufactured by changing the original scattered plates into an integral mould, so that the regularity and the precision of the sand mould are obviously improved.
4. According to the invention, the potassium hydroxide, the lithium hydroxide and the water glass are compounded, so that the bonding strength of the adhesive can be increased, the composite adhesive has obvious water resistance, and the sand mold does not get damp and creep in a humid environment. The sodium polyacrylate, the sodium tripolyphosphate and the sodium carboxymethyl starch have the functions of thickening and tackifying, and can flocculate and precipitate impurities in liquid to purify feed liquid, so that the composite resin adhesive is ensured not to contain any metal element impurities, and the quality of the auxiliary casting alumina brick is more stable.
5. The invention has the advantages of low raw material price, simple preparation process, easy operation and good popularization value.
Detailed Description
The following examples further illustrate the embodiments of the present invention in detail.
The modulus of the water glass is 2.2-2.4.
The organic ester curing agent is glycerol diacetate.
Example 1
The composite resin adhesive for the sand mold of the electric smelting alumina brick is characterized by comprising the following raw materials in parts by weight: 1 part of lithium hydroxide, 7 parts of potassium hydroxide, 0.5 part of sodium polyacrylate, 2 parts of sodium carboxymethyl starch, 3 parts of sodium tripolyphosphate and 86.5 parts of water glass. The preparation method comprises the following steps: mixing the raw materials, stirring for 0.5h, standing for 36h, wherein the upper part of the mixed raw material is clear feed liquid, the bottom of the mixed raw material is flocculent impurities, and removing the flocculent impurities to obtain the final product.
The sand mold material for the electric melting alumina brick comprises Baozhu sand, a composite resin adhesive accounting for 3 percent of the weight of the Baozhu sand, and an organic ester curing agent accounting for 13 percent of the weight of the composite resin adhesive. The preparation method comprises the following steps: mixing the above materials.
Example 2
The composite resin adhesive for the sand mold of the electric smelting alumina brick is characterized by comprising the following raw materials in parts by weight: 2 parts of lithium hydroxide, 8 parts of potassium hydroxide, 0.5 part of sodium polyacrylate, 3 parts of sodium carboxymethyl starch, 4 parts of sodium tripolyphosphate and 88 parts of water glass. The preparation method comprises the following steps: mixing the raw materials, stirring for 1h, standing for 36h, wherein the upper part of the mixed raw material is clear feed liquid, the bottom of the mixed raw material is flocculent impurities, and removing the flocculent impurities to obtain the final product.
An electric melting alumina brick sand mould material comprises Baozhu sand and a composite resin adhesive accounting for 2.5 percent of the weight of the Baozhu sand, and an organic ester curing agent accounting for 14 percent of the weight of the composite resin adhesive. The preparation method comprises the following steps: mixing the above materials.
Example 3
The composite resin adhesive for the sand mold of the electric smelting alumina brick is characterized by comprising the following raw materials in parts by weight: 1 part of lithium hydroxide, 9 parts of potassium hydroxide, 1 part of sodium polyacrylate, 2 parts of sodium carboxymethyl starch, 5 parts of sodium tripolyphosphate and 90 parts of water glass. The preparation method comprises the following steps: mixing the raw materials, stirring for 1h, standing for 36h, wherein the upper part of the mixed raw material is clear feed liquid, the bottom of the mixed raw material is flocculent impurities, and removing the flocculent impurities to obtain the final product.
The sand mold material for the electric melting alumina brick comprises Baozhu sand, a composite resin adhesive accounting for 2.5 percent of the weight of the Baozhu sand, and an organic ester curing agent accounting for 15 percent of the weight of the composite resin adhesive. The preparation method comprises the following steps: mixing the above materials.
The invention takes lithium hydroxide, potassium hydroxide, sodium polyacrylate, sodium carboxymethyl starch, sodium tripolyphosphate and water glass as composite resin adhesives and Baozhu sand as a sand mold main material. Compared with a sand mold which takes aluminum dihydrogen phosphate and high alumina cement as adhesives and white corundum as a main material, the composite resin adhesive has the comprehensive cost of about 2100 yuan per ton, and the market price of Baozhu sand for the sand mold is about 2000 yuan per ton, so that the cost is reduced by more than 50%. The sand mold produced by using the composite resin adhesive has the self-hardening characteristic, and the integrated sand mold can be manufactured without drying, so that the manufacturing cost of the sand mold is reduced, time and labor are saved, and the manufacturing efficiency of the sand mold is improved by over 35 percent. Meanwhile, the sand mould is manufactured by changing the original scattered plates into an integral mould, so that the regularity and the precision of the sand mould are obviously improved. According to the invention, the potassium hydroxide, the lithium hydroxide and the water glass are compounded, so that the bonding strength of the adhesive can be increased, the composite adhesive has obvious water resistance, and the sand mold does not get damp and creep in a humid environment. The sodium polyacrylate, the sodium tripolyphosphate and the sodium carboxymethyl starch have the functions of flocculating impurities in liquid, precipitating and purifying feed liquid, so that the composite resin adhesive does not contain any metal element impurities, the quality of an alumina brick is guaranteed, and the thickening and tackifying effects are achieved.
Claims (6)
1. The composite resin adhesive for the sand mold of the electric smelting alumina brick is characterized by comprising the following raw materials in parts by weight: 1-2 parts of lithium hydroxide, 7-9 parts of potassium hydroxide, 0.5-1 part of sodium polyacrylate, 2-3 parts of sodium carboxymethyl starch, 3-5 parts of sodium tripolyphosphate and 86.5-90 parts of water glass.
2. The composite resin adhesive for the sand mold of the electric smelting alumina brick according to claim 1, which is characterized by comprising the following raw materials in parts by weight: 1 part of lithium hydroxide, 7 parts of potassium hydroxide, 0.5 part of sodium polyacrylate, 2 parts of sodium carboxymethyl starch, 3 parts of sodium tripolyphosphate and 86.5 parts of water glass.
3. The composite resin binder for sand molds of electrofused alumina bricks according to claim 1 or 2, wherein the water glass modulus is 2.2 to 2.4.
4. A method for preparing the composite resin adhesive according to claim 1 or 2, wherein the raw materials are mixed, stirred for 0.5 to 1 hour, and then left to stand for 36 hours or more, the upper part of the mixed raw materials is clear liquid, and the bottom part is flocculent impurities, and flocculent impurities are removed to obtain the composite resin adhesive.
5. An electrofused alumina brick sand mold material produced by using the composite resin adhesive of claim 1 or 2, which is characterized by comprising the composite resin adhesive accounting for 2.5 to 3 percent of the weight of the Baozhu sand and an organic ester curing agent accounting for 13 to 15 percent of the weight of the composite resin adhesive.
6. A method for producing an electrofused alumina brick sand mold material according to claim 5, wherein the raw materials are mixed to obtain the electrofused alumina brick sand mold material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011233997.7A CN112317680A (en) | 2020-11-07 | 2020-11-07 | Composite resin adhesive for sand mold of electric melting alumina brick, preparation method and sand mold material produced by composite resin adhesive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011233997.7A CN112317680A (en) | 2020-11-07 | 2020-11-07 | Composite resin adhesive for sand mold of electric melting alumina brick, preparation method and sand mold material produced by composite resin adhesive |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112317680A true CN112317680A (en) | 2021-02-05 |
Family
ID=74315471
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011233997.7A Pending CN112317680A (en) | 2020-11-07 | 2020-11-07 | Composite resin adhesive for sand mold of electric melting alumina brick, preparation method and sand mold material produced by composite resin adhesive |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112317680A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB774184A (en) * | 1954-03-31 | 1957-05-08 | Shaw Processes Ltd | Improvements in or relating to moulds for metal casting |
| CN101108407A (en) * | 2006-07-18 | 2008-01-23 | 沈阳汇亚通铸造材料有限责任公司 | Adhesive for casting mold, manufacturing core and method of manufacturing the same |
| CN102962395A (en) * | 2012-11-23 | 2013-03-13 | 西安工程大学 | Compound modified water glass binder and preparation method thereof |
| CN103143672A (en) * | 2011-12-06 | 2013-06-12 | 重庆汇亚通铸造材料有限公司 | Method for preparing water glass used for foundry by using waste sand of alkaline phenolic resin self-hardening sand |
| CN103752762A (en) * | 2012-05-07 | 2014-04-30 | 周家欣 | Modified sodium silicate sand and making method thereof |
| CN105503258A (en) * | 2016-01-13 | 2016-04-20 | 广东惠众新材料科技股份有限公司 | Clay-free sintered block and preparing method thereof |
| CN108658566A (en) * | 2018-06-14 | 2018-10-16 | 郑州远东耐火材料有限公司 | A kind of preparation method of the environmentally friendly water-glass sand proximate matter material of zirconia-corundum refractory brick production |
| CN109175215A (en) * | 2018-09-30 | 2019-01-11 | 郑州远东耐火材料有限公司 | Modifier and preparation method thereof for dry environment modifying water glass |
| CN110064727A (en) * | 2019-06-10 | 2019-07-30 | 沈阳汇亚通铸造材料有限责任公司 | A kind of ester solidification sodium silicate sand used for casting composition |
-
2020
- 2020-11-07 CN CN202011233997.7A patent/CN112317680A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB774184A (en) * | 1954-03-31 | 1957-05-08 | Shaw Processes Ltd | Improvements in or relating to moulds for metal casting |
| CN101108407A (en) * | 2006-07-18 | 2008-01-23 | 沈阳汇亚通铸造材料有限责任公司 | Adhesive for casting mold, manufacturing core and method of manufacturing the same |
| CN103143672A (en) * | 2011-12-06 | 2013-06-12 | 重庆汇亚通铸造材料有限公司 | Method for preparing water glass used for foundry by using waste sand of alkaline phenolic resin self-hardening sand |
| CN103752762A (en) * | 2012-05-07 | 2014-04-30 | 周家欣 | Modified sodium silicate sand and making method thereof |
| CN102962395A (en) * | 2012-11-23 | 2013-03-13 | 西安工程大学 | Compound modified water glass binder and preparation method thereof |
| CN105503258A (en) * | 2016-01-13 | 2016-04-20 | 广东惠众新材料科技股份有限公司 | Clay-free sintered block and preparing method thereof |
| CN108658566A (en) * | 2018-06-14 | 2018-10-16 | 郑州远东耐火材料有限公司 | A kind of preparation method of the environmentally friendly water-glass sand proximate matter material of zirconia-corundum refractory brick production |
| CN109175215A (en) * | 2018-09-30 | 2019-01-11 | 郑州远东耐火材料有限公司 | Modifier and preparation method thereof for dry environment modifying water glass |
| CN110064727A (en) * | 2019-06-10 | 2019-07-30 | 沈阳汇亚通铸造材料有限责任公司 | A kind of ester solidification sodium silicate sand used for casting composition |
Non-Patent Citations (3)
| Title |
|---|
| 孙大涌: "《先进制造技术》", 29 February 2000, 北京：机械工业出版社 * |
| 朱纯熙，何培之: "《铸型材料化学》", 31 October 1990, 北京：机械工业出版社 * |
| 樊自田，董选普，陆浔: "《水玻璃砂工艺原理及应用技术》", 31 March 2004, 北京：机械工业出版社 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108658566B (en) | Preparation method of environment-friendly sodium silicate-bonded sand section material for producing fused zirconia-corundum bricks | |
| CN113061015A (en) | Method for preparing artificial decorative stone by utilizing manganese-silicon alloy hot-melt slag | |
| CN111593162A (en) | Converter slag pressing agent and use method thereof | |
| CN102994757A (en) | Method for preparing ferro-silico-aluminum alloy by using Bayer process red mud | |
| CN113754379B (en) | Low-volume-weight iron tailing powder active powder concrete and preparation method thereof | |
| CN105149499A (en) | High-aluminum blast furnace slag-boric sludge expendable pattern casting coating and preparing method thereof | |
| CN112317680A (en) | Composite resin adhesive for sand mold of electric melting alumina brick, preparation method and sand mold material produced by composite resin adhesive | |
| CN106882972B (en) | Recycling method of fused zirconia corundum grinding waste | |
| CN112341209A (en) | Modified water glass adhesive for sand mold of zirconia-corundum fused brick and sand mold thereof | |
| CN109534766B (en) | Environment-friendly covering agent for insulating riser of fused brick and preparation method thereof | |
| CN110015863B (en) | Modifier for water glass for casting sand mold of electric melting brick and modified water glass prepared by modifier | |
| CN102126865A (en) | Method for producing high-purity fused mullite | |
| CN104445963A (en) | Method for preparing glass fiber from smelting blast furnace slag | |
| CN116144173A (en) | Reinforced PA56/PA6 composite material for rapid prototyping cycle engine cover plate and preparation method thereof | |
| CN105152626A (en) | Technology for production of non-sintered ceramic through microwave maintenance of feldspath-quartz tailing | |
| CN113582661A (en) | Method for preparing ceramic plate by utilizing solid waste at low temperature | |
| CN102898985A (en) | Preparation method for furan nitrogen-free environment protection casting resin adhesive | |
| CN1328165A (en) | Smelt-reduction process for preparing Al-Si-Fe alloy from Al dregs | |
| CN1230526A (en) | Continuous basalt fiber and its production technology | |
| CN1015443B (en) | Microcrystal glass made from goose cord rock | |
| CN113511908A (en) | Sealing hot-melt adhesive for float glass collar part and melting furnace and preparation method thereof | |
| CN105272141A (en) | Method for producing stone plate by using melting blast furnace slag | |
| CN106955767B (en) | A kind of raising grinding efficiency technique | |
| CN202089780U (en) | Device for removing boron in industrial silicon through continuous slagging | |
| CN111187081A (en) | Preparation method of high-hardness neutral furnace lining material |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210205 |