CN110015863A - A kind of modifying agent of fused cast refractories casting sand type waterglass and its modified water glass of preparation - Google Patents
A kind of modifying agent of fused cast refractories casting sand type waterglass and its modified water glass of preparation Download PDFInfo
- Publication number
- CN110015863A CN110015863A CN201910306926.6A CN201910306926A CN110015863A CN 110015863 A CN110015863 A CN 110015863A CN 201910306926 A CN201910306926 A CN 201910306926A CN 110015863 A CN110015863 A CN 110015863A
- Authority
- CN
- China
- Prior art keywords
- kilograms
- modifying agent
- sodium hydroxide
- waterglass
- preparation
- 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.)
- Granted
Links
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 title claims abstract description 59
- 239000003795 chemical substances by application Substances 0.000 title claims abstract description 29
- 235000019353 potassium silicate Nutrition 0.000 title claims abstract description 29
- 239000004576 sand Substances 0.000 title claims abstract description 25
- 238000002360 preparation method Methods 0.000 title claims abstract description 21
- 239000011819 refractory material Substances 0.000 title claims abstract description 14
- 238000005266 casting Methods 0.000 title claims abstract description 13
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims abstract description 81
- 239000000463 material Substances 0.000 claims abstract description 46
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 28
- XYRAEZLPSATLHH-UHFFFAOYSA-N trisodium methoxy(trioxido)silane Chemical compound [Na+].[Na+].[Na+].CO[Si]([O-])([O-])[O-] XYRAEZLPSATLHH-UHFFFAOYSA-N 0.000 claims abstract description 11
- 229920002401 polyacrylamide Polymers 0.000 claims abstract description 9
- 229920001495 poly(sodium acrylate) polymer Polymers 0.000 claims abstract description 8
- NNMHYFLPFNGQFZ-UHFFFAOYSA-M sodium polyacrylate Chemical compound [Na+].[O-]C(=O)C=C NNMHYFLPFNGQFZ-UHFFFAOYSA-M 0.000 claims abstract description 8
- 238000003756 stirring Methods 0.000 claims description 9
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 claims description 3
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 2
- 125000000129 anionic group Chemical group 0.000 claims description 2
- 238000000034 method Methods 0.000 claims description 2
- 229910052708 sodium Inorganic materials 0.000 claims description 2
- 239000011734 sodium Substances 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims description 2
- 239000002253 acid Substances 0.000 claims 1
- 150000001336 alkenes Chemical class 0.000 claims 1
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 10
- 238000010521 absorption reaction Methods 0.000 abstract description 6
- 239000005871 repellent Substances 0.000 description 7
- 239000011521 glass Substances 0.000 description 3
- -1 material A Chemical compound 0.000 description 3
- 239000007767 bonding agent Substances 0.000 description 2
- 239000004519 grease Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- PQUXFUBNSYCQAL-UHFFFAOYSA-N 1-(2,3-difluorophenyl)ethanone Chemical compound CC(=O)C1=CC=CC(F)=C1F PQUXFUBNSYCQAL-UHFFFAOYSA-N 0.000 description 1
- 229920002125 Sokalan® Polymers 0.000 description 1
- 241000209140 Triticum Species 0.000 description 1
- 235000021307 Triticum Nutrition 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003306 harvesting Methods 0.000 description 1
- 239000003607 modifier Substances 0.000 description 1
- 239000004584 polyacrylic acid Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 229940047670 sodium acrylate Drugs 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/24—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing alkyl, ammonium or metal silicates; containing silica sols
- C04B28/26—Silicates of the alkali metals
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B40/00—Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
- C04B40/0028—Aspects relating to the mixing step of the mortar preparation
- C04B40/0039—Premixtures of ingredients
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/00637—Uses not provided for elsewhere in C04B2111/00 as glue or binder for uniting building or structural materials
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Mold Materials And Core Materials (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a kind of modifying agent of fused cast refractories casting sand type waterglass and its modified water glass of preparation, the modifying agent, including material A, material B, material C；Wherein, material A includes: 80-120 kilograms of softened water, 15-25 kilograms of sodium hydroxide, 10-20 kilograms of sodium methyl silicate, material B includes: 80-120 kilograms of softened water, 15-25 kilograms of sodium hydroxide, 40-60 grams of Sodium Polyacrylate, and material C includes: 80-120 kilograms of softened water, 15-25 kilograms of sodium hydroxide, 40-60 grams of polyacrylamide.There is excellent anti-moisture absorption performance using the modified water glass of modifying agent of the present invention preparation, sand mold production is not influenced by ambient humidity.The modified water glass material price of preparation is cheap simultaneously, and price is close with common waterglass price, lower than modified water glass in the market more than half, enterprise's production cost can be substantially reduced, and waterproof performance is higher than modified water glass in the market.
Description
Technical field
The present invention relates to a kind of modifier, in particular to a kind of modifying agent of fused cast refractories casting sand type waterglass
And its modified water glass of preparation.
Background technique
The most important condition of current fused cast refractories production is exactly to meet environmental requirement, and the bonding agent that sand mold production uses must make the transition
For inorganic environment-friendly bonding agent, most potential organic grease hardening agent, modified water glass self-curing mo(u)ld are just in popularity, advantage
Performance be it is environment friendly and pollution-free, the sand mold regularity made is good, high-efficient.But organic grease hardening agent, modified water glass self-curing mo(u)ld
With moisture absorption performance, dry season in winter is unaffected, and sand mold strength reduction, causes sand mold to become after the summer and autumn moisture absorption
Type collapses, and serious restriction production is gone on smoothly, while causing direct economic loss.Therefore only research and development have anti-moisture absorption performance
Modified water glass can just fully meet sand mold production demand.
Summary of the invention
In view of the deficiencies of the prior art, the object of the present invention is to provide a kind of modifications of fused cast refractories casting sand type waterglass
The modified water glass of agent and its preparation, is had excellent moisture-proof using the waterglass of modifying agent, and sand mold produces not by ambient humidity
It influences, and cost substantially reduces.
To achieve the goals above, the technical scheme is that (same to claims, temporarily slightly)
Beneficial effects of the present invention:
1, modified water glass prepared by the present invention has excellent anti-moisture absorption performance, and sand mold produces not by ambient humidity shadow
It rings.
2, modified water glass material price prepared by the present invention is cheap, and price is close with common waterglass price, is lower than city
On field modified water glass more than half, enterprise's production cost can be substantially reduced, and waterproof performance is higher than modified water in the market
Glass.
3, it to be added to stir in waterglass in 2 hours after modifying agent preparation of the present invention and use, it is otherwise poly- in modifying agent
Acrylamide can generate settlement action with other raw materials, and obtained modified water glass performance substantially reduces.
Specific embodiment
Specific embodiments of the present invention will be described in further detail with reference to embodiments.
The raw materials used in the present invention:
The solid content of sodium methyl silicate is 40%.
Sodium Polyacrylate is food-grade, and molecular weight is 15,000,000.
Polyacrylamide is anionic, and molecular weight is 8,000,000.
Embodiment 1
Water-repellent modified dose of a kind of fused cast refractories casting sand type waterglass, including material A, material B, material C；Wherein,
Material A includes: 100 kilograms of softened water, 20 kilograms of sodium hydroxide, 15 kilograms of sodium methyl silicate,
Material B includes: 100 kilograms of softened water, 20 kilograms of sodium hydroxide, 50 grams of Sodium Polyacrylate,
Material C includes: 100 kilograms of softened water, 20 kilograms of sodium hydroxide, 50 grams of polyacrylamide.
Preparation method is, comprising the following steps:
(1) preparation of material A:
Sodium methyl silicate is added in softened water, with 60 turns per minute, stirs 1 minute, sodium hydroxide is then added, continue
Stirring 5 minutes meets water due to sodium hydroxide and discharges heat, and room temperature to be cooled to is placed 24 hours；
(2) preparation of material B:
Sodium hydroxide is added in softened water, with 120 turns per minute, is stirred 5 minutes, after being cooled to room temperature, is added poly-
Sodium acrylate is stirred 10 minutes with 120 turns per minute or more, is placed 24 hours；
(3) preparation of material C:
Sodium hydroxide is added in softened water, with 120 turns per minute, is stirred 5 minutes, after being cooled to room temperature, is added poly-
Acrylamide is stirred 10 minutes with 120 turns per minute or more, is placed 24 hours；
(4) mixing:
After 24 hours, material A, B, C are mixed, with 120 turns per minute, stirs 10 minutes, obtains modifying agent.
Embodiment 2
Water-repellent modified dose of a kind of fused cast refractories casting sand type waterglass, including material A, material B, material C；Wherein,
Material A includes: 80 kilograms of softened water, 15 kilograms of sodium hydroxide, 10 kilograms of sodium methyl silicate,
Material B includes: 80 kilograms of softened water, 15 kilograms of sodium hydroxide, 40 grams of Sodium Polyacrylate,
Material C includes: 80 kilograms of softened water, 15 kilograms of sodium hydroxide, 40 grams of polyacrylamide.
Preparation method is the same as embodiment 1.
Embodiment 3
Water-repellent modified dose of a kind of fused cast refractories casting sand type waterglass, including material A, material B, material C；Wherein,
Material A includes: softened water 120 kg, 25 kilograms of sodium hydroxide, 20 kilograms of sodium methyl silicate,
Material B includes: softened water 120 kg, 25 kilograms of sodium hydroxide, 60 grams of Sodium Polyacrylate,
Material C includes: softened water 120 kg, 25 kilograms of sodium hydroxide, 60 grams of polyacrylamide.
Preparation method is the same as embodiment 1.
Embodiment 4
It is a kind of to contain above-mentioned water-repellent modified dose of waterglass, including 100 kilograms water-repellent modified dose and 900 kilograms of light water glass
Glass.
Preparation method are as follows: modifying agent obtained is added in common waterglass in 2 hours, stirs 10-15 minutes, puts
It sets 24 hours, obtains waterproof waterglass.
1, the Cost comparisons of modifying agent (embodiment 1) and modified water glass and commercially available modified water glass of the present invention:
Sodium hydroxide is 3000 yuan per ton, 6000 yuan per ton of sodium methyl silicate, and 9000 yuan per ton of polyacrylamide, polyacrylic acid
40 yuan of sodium per kilogram
One ton of modified water glass cost: 900 kilograms of waterglass (900 yuan) 100 kilograms of (less than 100 yuan)=mono- of+modifying agent
About 973 yuan of waterglass of ton, it may be assumed that the water-repellent modified waterglass price that the present invention prepares maintains an equal level with common waterglass price substantially.
For commercially available modified water glass price at 2200 yuan per ton or more, modified water glass price of the present invention is lower than market price half
More than.
2, modified water glass of the present invention and commercially available modified water glass practical application compare
Introduce commercially available modified water glass (Qingdao Di Ke railway equipment Co., Ltd, 2400 yuan per ton) system in July, 2018
Make sand mold, while the water-repellent modified waterglass production sand mold prepared with the present invention, since summer environment humidity is big, in the market
Modified water glass does not have anti-moisture absorption performance, and production occurs as soon as large area within sand mold 24 hours and collapses, and causes to production very big
Loss.And all there is not sand mold modification, collapse phenomenon to the modified water glass that the present invention prepares in 8 wheat harvesting periods so far, used feelings
Condition is good.
Claims (10)
1. a kind of modifying agent of fused cast refractories casting sand type waterglass, which is characterized in that including material A, material B, material C；Its
In,
Material A includes: 80-120 kilograms of softened water, 15-25 kilograms of sodium hydroxide, 10-20 kilograms of sodium methyl silicate,
Material B includes: 80-120 kilograms of softened water, 15-25 kilograms of sodium hydroxide, 40-60 grams of Sodium Polyacrylate,
Material C includes: 80-120 kilograms of softened water, 15-25 kilograms of sodium hydroxide, 40-60 grams of polyacrylamide.
2. the modifying agent of fused cast refractories casting sand type waterglass according to claim 1, which is characterized in that preferred, packet
Include material A, material B, material C；Wherein,
Material A includes: 100 kilograms of softened water, 20 kilograms of sodium hydroxide, 15 kilograms of sodium methyl silicate,
Material B includes: 100 kilograms of softened water, 20 kilograms of sodium hydroxide, 50 grams of Sodium Polyacrylate,
Material C includes: 100 kilograms of softened water, 20 kilograms of sodium hydroxide, 50 grams of polyacrylamide.
3. the modifying agent of fused cast refractories casting sand type waterglass according to claim 1, which is characterized in that sodium methyl silicate
Solid content be 40%.
4. the modifying agent of fused cast refractories casting sand type waterglass according to claim 1, which is characterized in that Sodium Polyacrylate
For food-grade, molecular weight is 15,000,000.
5. the modifying agent of fused cast refractories casting sand type waterglass according to claim 1, which is characterized in that polyacrylamide
For anionic, molecular weight is 8,000,000.
6. a kind of preparation method of the modifying agent as described in claim any one of 1-5, which comprises the following steps:
(1) preparation of material A:
Sodium methyl silicate is added in softened water, is turned with 50-80 per minute, stirs 1-2 minutes, sodium hydroxide is then added, after
Continuous stirring 5-10 minutes meets water due to sodium hydroxide and discharges heat, and room temperature to be cooled to is placed 24 hours；
(2) preparation of material B:
Sodium hydroxide is added in softened water, with 120 turns per minute, is stirred 5-8 minutes, after being cooled to room temperature, is added poly- third
Olefin(e) acid sodium is stirred 10-15 minutes with 120 turns per minute or more, is placed 24 hours；
(3) preparation of material C:
Sodium hydroxide is added in softened water, with 120 turns per minute, is stirred 5-8 minutes, after being cooled to room temperature, is added poly- third
Acrylamide is stirred 10-15 minutes with 120 turns per minute or more, is placed 24 hours；
(4) mixing:
After 24 hours, material A, B, C are mixed, with 120 turns per minute, stirs 10-15 minutes, obtains modifying agent.
7. a kind of application method of the modifying agent as described in claim any one of 1-5, which is characterized in that change 100-120 kilograms
Property agent be added 880-900 kilograms of common waterglass in.
8. a kind of modified water glass using any one of the claim 1-5 modifying agent preparation, which is characterized in that including 100-
120 kg modifying agent and 880-900 kilograms of common waterglass.
9. modified water glass according to claim 8, which is characterized in that it is preferred, including 100 kilograms of modifying agent and 900
Kilogram common waterglass.
10. a kind of preparation method of modified water glass as claimed in claim 8, which is characterized in that modifying agent obtained is small 2
When it is interior be added in common waterglass, stir 10-15 minute, placement 24 hours obtains waterproof waterglass.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910306926.6A CN110015863B (en) | 2019-04-17 | 2019-04-17 | Modifier for water glass for casting sand mold of electric melting brick and modified water glass prepared by modifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910306926.6A CN110015863B (en) | 2019-04-17 | 2019-04-17 | Modifier for water glass for casting sand mold of electric melting brick and modified water glass prepared by modifier |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110015863A true CN110015863A (en) | 2019-07-16 |
| CN110015863B CN110015863B (en) | 2021-08-24 |
Family
ID=67191564
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910306926.6A Active CN110015863B (en) | 2019-04-17 | 2019-04-17 | Modifier for water glass for casting sand mold of electric melting brick and modified water glass prepared by modifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110015863B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113333675A (en) * | 2021-05-28 | 2021-09-03 | 盐城大丰赛维铸造科技有限公司 | Manufacturing process and special equipment of inorganic vacuum shell mold for casting |
| CN114436558A (en) * | 2022-01-17 | 2022-05-06 | 都江堰瑞泰科技有限公司 | Water glass modifier, modified water glass sand mold, preparation process and application thereof |
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| CN114436558A (en) * | 2022-01-17 | 2022-05-06 | 都江堰瑞泰科技有限公司 | Water glass modifier, modified water glass sand mold, preparation process and application thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110015863B (en) | 2021-08-24 |
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