CN104150493B - Asbestos after acidifying - Google Patents
Asbestos after acidifying Download PDFInfo
- Publication number
- CN104150493B CN104150493B CN201410358757.8A CN201410358757A CN104150493B CN 104150493 B CN104150493 B CN 104150493B CN 201410358757 A CN201410358757 A CN 201410358757A CN 104150493 B CN104150493 B CN 104150493B
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- Prior art keywords
- asbestos
- acidifying
- batching
- flap
- composition
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- 239000010425 asbestos Substances 0.000 title claims abstract description 102
- 229910052895 riebeckite Inorganic materials 0.000 title claims abstract description 102
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims abstract description 17
- 239000000203 mixture Substances 0.000 claims abstract description 17
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims abstract description 16
- 239000000428 dust Substances 0.000 claims abstract description 14
- 229960000892 attapulgite Drugs 0.000 claims abstract description 9
- 239000004927 clay Substances 0.000 claims abstract description 9
- 238000004519 manufacturing process Methods 0.000 claims abstract description 9
- 238000000034 method Methods 0.000 claims abstract description 9
- 229910052625 palygorskite Inorganic materials 0.000 claims abstract description 9
- 229910000029 sodium carbonate Inorganic materials 0.000 claims abstract description 8
- 239000004115 Sodium Silicate Substances 0.000 claims abstract description 7
- 229920002451 polyvinyl alcohol Polymers 0.000 claims abstract description 7
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims abstract description 7
- 229910052911 sodium silicate Inorganic materials 0.000 claims abstract description 7
- 239000004372 Polyvinyl alcohol Substances 0.000 claims abstract description 6
- 238000000227 grinding Methods 0.000 claims abstract description 5
- 235000012054 meals Nutrition 0.000 claims abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 239000001117 sulphuric acid Substances 0.000 claims description 9
- 235000011149 sulphuric acid Nutrition 0.000 claims description 9
- 230000020477 pH reduction Effects 0.000 claims description 8
- 239000002245 particle Substances 0.000 claims description 5
- 238000003756 stirring Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 13
- 238000009413 insulation Methods 0.000 abstract description 9
- 230000002265 prevention Effects 0.000 abstract description 4
- 239000003795 chemical substances by application Substances 0.000 abstract description 2
- 238000010276 construction Methods 0.000 abstract description 2
- 239000002994 raw material Substances 0.000 abstract description 2
- 239000002253 acid Substances 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 150000004760 silicates Chemical class 0.000 description 2
- 208000033116 Asbestos intoxication Diseases 0.000 description 1
- 208000019693 Lung disease Diseases 0.000 description 1
- 206010035603 Pleural mesothelioma Diseases 0.000 description 1
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 1
- 230000000274 adsorptive effect Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 206010003441 asbestosis Diseases 0.000 description 1
- 201000003433 benign pleural mesothelioma Diseases 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002255 enzymatic effect Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 210000004072 lung Anatomy 0.000 description 1
- HCWCAKKEBCNQJP-UHFFFAOYSA-N magnesium orthosilicate Chemical compound [Mg+2].[Mg+2].[O-][Si]([O-])([O-])[O-] HCWCAKKEBCNQJP-UHFFFAOYSA-N 0.000 description 1
- 239000000391 magnesium silicate Substances 0.000 description 1
- 229910052919 magnesium silicate Inorganic materials 0.000 description 1
- 235000019792 magnesium silicate Nutrition 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000009967 tasteless effect Effects 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
- 230000002110 toxicologic effect Effects 0.000 description 1
- 231100000027 toxicology Toxicity 0.000 description 1
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- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses the asbestos after a kind of acidifying, the main points of its technical scheme are, the asbestos batching after acidifying is made up of asbestos, attapulgite clay, sulfuric acid, quick dissolved sodium silicate, polyvinyl alcohol, Vltra tears and sodium carbonate; By abrasive dust in the asbestos batching input grinding machine after acidifying, the meal after abrasive dust is the asbestos after acidifying.The production method of the asbestos after acidifying gives full play to raw-material respective characteristic in batching, and obtains complementation, and after the acidified process of asbestos, pH value controls 5.5 ~ 7.0, can improve the utilization ratio of asbestos.Asbestos after the acidifying new material that has been asbestos and composition, greatly reduce the harm of asbestos dust to human body, the asbestos after acidifying have good resistivity against fire, electrical insulating property and heat insulating ability, are important fire prevention, insulation and lagging material.Asbestos after acidifying are applicable to produce environment-friendly materials, material of construction, whipping agent, fire product, insulation and lagging material.
Description
Technical field
The present invention relates to acidification, be specifically related to the asbestos after a kind of acidifying.
Background technology
Asbestos have high-tensile, high flexible, chemically-resistant and heat erosion, electrical isolation and have the silicates mineral products of spinning property.It is the general name of natural fibrous silicates quasi-mineral.Asbestos are made up of fibrous bundle, and fibrous bundle by grow very much very thin can be separated from each other fibrous.Asbestos have extremely fireproof, electrical insulating property and heat insulating ability, are important fire prevention, insulation and lagging material.But because fibrous magnesium silicate can cause the disease such as asbestosis, mesothelioma of pleura, many country selection are completely forbidden and are used this dangerous substances.
In order to improve the application quality of asbestos, need to carry out acidification to asbestos.
Summary of the invention
The object of the invention is to overcome weak point in prior art, the asbestos after a kind of acidifying are provided.
Asbestos batching after acidifying is made up of asbestos, attapulgite clay, sulfuric acid, quick dissolved sodium silicate, polyvinyl alcohol, Vltra tears and sodium carbonate.
The production method of the asbestos after acidifying: by abrasive dust in the asbestos batching input grinding machine after acidifying, the meal after abrasive dust is the asbestos after acidifying.
Due to the fiber softening of asbestos, there is insulation, thermal insulation, sound insulation, high temperature resistant, acid and alkali-resistance, the characteristic such as corrosion-resistant and wear-resisting, in business, government utility and industrial plants, have considerable purposes; Asbestos have extremely fireproof, electrical insulating property and heat insulating ability, are important fire prevention, insulation and lagging material.
Asbestos also toxicological harmless itself, its maximum harm comes from its dust, when these tiny dust are inhaled in human body, will adhere to and be deposited on lung, causing pulmonary disorder.
Attapulgite clay has unique layer chain-like structure feature, and crystal is needle-like, threadiness or fiber collection shape.Attapulgite clay has unique dispersion, high temperature resistant, anti-good colloidal property and the higher adsorptive power such as saline and alkaline, and has certain plasticity-and cohesive force, and the present invention selects particle fineness≤5 millimeter of attapulgite clay.
Sulfuric acid select concentration be 98% the vitriol oil.
Quick dissolved sodium silicate is white powder material, can rapid solution in water, have that cohesive force is strong, intensity is higher, acid resistance, good heat resistance, the feature of alkali resistance and poor water resistance.
Polyethenol series white solid, external form divide cotton-shaped, particulate state, Powdered three kinds; Nonpoisonous and tasteless, particulate state can be dissolved in 80--90 DEG C of water, pulverous other powders pre-dispersed after can dissolve at normal temperatures.There is good viscosity, polymerizability, cohesiveness and water-retentivity.
Vltra tears has thickening capabilities, salt discharge, pH stability, water-retentivity, dimensional stability, excellent film-forming properties and the feature such as resistance to enzymatic, dispersiveness and cohesiveness widely.
Sodium carbonate has the general character and the thermostability of salt, soluble in water, and its aqueous solution is alkalescence, in the present invention for adjusting the asbestos pH value after acidifying.
The present invention is achieved by following technical proposals:
1, the asbestos batching after acidifying is made up of following component by weight percentage: the asbestos work in-process 90 ~ 98% after acidifying, quick dissolved sodium silicate 0.1 ~ 5%, polyvinyl alcohol 0.1 ~ 5%, Vltra tears 0.01 ~ 3% and sodium carbonate 0 ~ 3%.
The production method of the asbestos 2, after acidifying: by abrasive dust in the asbestos batching input grinding machine after acidifying, particle fineness≤0.074 millimeter, the meal after abrasive dust is the asbestos finished product after acidifying.
3, the half-finished production method of the asbestos after acidifying: stir in the stirrer (1) input of the batching of asbestos composition operated, then dilute sulphuric acid is slowly added in asbestos composition carry out acidification; (2), by the asbestos composition after acidification, be asbestos flap by twin rollers extruding, thickness≤3 millimeter of asbestos flap; (3) asbestos flap is transported to roasting in rotary type stoving oven, roasting time is 1 ~ 3 hour, and maturing temperature controls at 300 ~ 400 DEG C, asbestos flap water content≤2% after roasting, asbestos flap after roasting is the asbestos work in-process after acidifying, and PCm is weight percentage.
4, the batching of asbestos flap is made up of following component by weight percentage: asbestos composition 75 ~ 95% and dilute sulphuric acid 5 ~ 25%.
5, the batching of asbestos composition is made up of following component by weight percentage: asbestos 76 ~ 94% and attapulgite clay 6 ~ 24%.
6, the batching of dilute sulphuric acid is made up of following component by weight percentage: concentration is the vitriol oil 1 ~ 25% and the water 75 ~ 99% of 98%, concentration be 98% vitriol oil per-cent be weight percentage.
The production method of the asbestos after acidifying takes first acidifying to carry out compounding ingredient again, sulfuric acid and quick dissolved sodium silicate, polyvinyl alcohol, Vltra tears and sodium carbonate generation chemical reaction can be avoided, give full play to raw-material respective characteristic in batching, and obtain complementation, guarantee the asbestos inner quality after acidifying.
According to the needs of quality product, adopt the asbestos pH value after sodium carbonate adjustment acidifying, method is simple.
After the acidified process of asbestos, pH value controls 5.5 ~ 7.0, can improve the utilization ratio of asbestos.
Asbestos after the acidifying new material that has been asbestos and composition, greatly reducing the harm of asbestos dust to human body, have good resistivity against fire, electrical insulating property and heat insulating ability, is important fire prevention, insulation and lagging material.
Asbestos after acidifying are applicable to produce environment-friendly materials, material of construction, whipping agent, fire product, insulation and lagging material.
Embodiment
Below in conjunction with embodiment, the invention will be further described:
1, the asbestos batching after acidifying is made up of following component by weight percentage: the asbestos work in-process 96.5% after acidifying, quick dissolved sodium silicate 1.5%, polyvinyl alcohol 1.4%, Vltra tears 0.58% and sodium carbonate 0.02%.
The production method of the asbestos 2, after acidifying: by abrasive dust in the asbestos batching input grinding machine after acidifying, particle fineness≤0.074 millimeter, the meal after abrasive dust is the asbestos finished product after acidifying.
3, the half-finished production method of the asbestos after acidifying: stir in the stirrer (1) input of the batching of asbestos composition operated, then dilute sulphuric acid is slowly added in asbestos composition carry out acidification; (2), by the asbestos composition after acidification, be asbestos flap by twin rollers extruding, thickness≤3 millimeter of asbestos flap; (3) asbestos flap is transported to roasting in rotary type stoving oven, roasting time is 2 hours, and maturing temperature controls at 300 ~ 350 DEG C, asbestos flap water content≤2% after roasting, and the asbestos flap after roasting is the asbestos work in-process after acidifying.
4, the batching of asbestos flap is made up of following component by weight percentage: asbestos composition 82% and dilute sulphuric acid 18%.
5, the batching of asbestos composition is made up of following component by weight percentage: asbestos 82% and attapulgite clay 18%.
6, the batching of dilute sulphuric acid is made up of following component by weight percentage: concentration is the vitriol oil 6% and the water 94% of 98%.
Claims (5)
1. the asbestos after an acidifying, it is characterized in that, the asbestos batching after acidifying is made up of following component by weight percentage: the asbestos work in-process 90 ~ 98% after acidifying, quick dissolved sodium silicate 0.1 ~ 5%, polyvinyl alcohol 0.1 ~ 5%, Vltra tears 0.01 ~ 3% and sodium carbonate 0 ~ 3%;
The half-finished production method of asbestos after acidifying: stir in the stirrer (1) input of the batching of asbestos composition operated, then dilute sulphuric acid is slowly added in asbestos composition carry out acidification; (2), by the asbestos composition after acidification, be asbestos flap by twin rollers extruding, thickness≤3 millimeter of asbestos flap; (3) asbestos flap is transported to roasting in rotary type stoving oven, roasting time is 1 ~ 3 hour, and maturing temperature controls at 300 ~ 400 DEG C, asbestos flap water content≤2% after roasting, and the asbestos flap after roasting is the asbestos work in-process after acidifying;
The batching of asbestos composition is made up of following component by weight percentage: asbestos 76 ~ 94% and attapulgite clay 6 ~ 24%.
2. the asbestos after acidifying according to claim 1, is characterized in that, the production method of the asbestos after acidifying: by abrasive dust in the asbestos batching input grinding machine after acidifying, particle fineness≤0.074 millimeter, the meal after abrasive dust is the asbestos finished product after acidifying.
3. the asbestos after acidifying according to claim 1, is characterized in that, the batching of asbestos flap is made up of following component by weight percentage: asbestos composition 75 ~ 95% and dilute sulphuric acid 5 ~ 25%.
4. the asbestos after acidifying according to claim 1, is characterized in that, the batching of dilute sulphuric acid is made up of following component by weight percentage: concentration is the vitriol oil 1 ~ 25% and the water 75 ~ 99% of 98%.
5. the asbestos after acidifying according to claim 1, is characterized in that, particle fineness≤5 millimeter of attapulgite clay.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410358757.8A CN104150493B (en) | 2014-07-27 | 2014-07-27 | Asbestos after acidifying |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410358757.8A CN104150493B (en) | 2014-07-27 | 2014-07-27 | Asbestos after acidifying |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104150493A CN104150493A (en) | 2014-11-19 |
| CN104150493B true CN104150493B (en) | 2016-04-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410358757.8A Active CN104150493B (en) | 2014-07-27 | 2014-07-27 | Asbestos after acidifying |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104150493B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008241455A (en) * | 2007-03-27 | 2008-10-09 | Nichias Corp | Method for determining amphibole-asbestos in vermiculite |
| JP2009018228A (en) * | 2007-07-10 | 2009-01-29 | Nozawa Corp | Method of conducting treatment of non-asbestos treatment of asbestos containing construction material and gypsum composition obtained from the same |
| JP4222622B1 (en) * | 2008-03-12 | 2009-02-12 | 株式会社北海道北環境 | Asbestos detoxification treatment method and soil improver by the treatment method |
| CN101528371A (en) * | 2006-10-23 | 2009-09-09 | 住友大阪水泥股份有限公司 | Method of treating asbestos-containing waste material |
| CN101531494A (en) * | 2009-03-27 | 2009-09-16 | 许盛英 | Attapulgite washable inner wall paint |
| ES2386867T3 (en) * | 2008-05-07 | 2012-09-04 | Institut National Polytechnique De Toulouse (Inpt) | Asbestos solid treatment procedure |
-
2014
- 2014-07-27 CN CN201410358757.8A patent/CN104150493B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101528371A (en) * | 2006-10-23 | 2009-09-09 | 住友大阪水泥股份有限公司 | Method of treating asbestos-containing waste material |
| JP2008241455A (en) * | 2007-03-27 | 2008-10-09 | Nichias Corp | Method for determining amphibole-asbestos in vermiculite |
| JP2009018228A (en) * | 2007-07-10 | 2009-01-29 | Nozawa Corp | Method of conducting treatment of non-asbestos treatment of asbestos containing construction material and gypsum composition obtained from the same |
| JP4222622B1 (en) * | 2008-03-12 | 2009-02-12 | 株式会社北海道北環境 | Asbestos detoxification treatment method and soil improver by the treatment method |
| ES2386867T3 (en) * | 2008-05-07 | 2012-09-04 | Institut National Polytechnique De Toulouse (Inpt) | Asbestos solid treatment procedure |
| CN101531494A (en) * | 2009-03-27 | 2009-09-16 | 许盛英 | Attapulgite washable inner wall paint |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104150493A (en) | 2014-11-19 |
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| Date | Code | Title | Description |
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| C06 | Publication | ||
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191204 Address after: 315000 building 1803, Lanting garden, Meixu street, hi tech Zone, Ningbo City, Zhejiang Province Patentee after: Ningbo Qilan Culture Development Co.,Ltd. Address before: 211700 Huaian, Xuyi province Timor King international residential area, building 2, unit 202 room 18 Patentee before: Xu Shengying |
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Effective date of registration: 20191217 Address after: 313000 No. 333 Liji East Road, Zhili Town, Wuxing District, Huzhou City, Zhejiang Province Patentee after: ZHEJIANG LONGYING PHOTOELECTRIC TECHNOLOGY Co.,Ltd. Address before: 315000 building 1803, Lanting garden, Meixu street, hi tech Zone, Ningbo City, Zhejiang Province Patentee before: Ningbo Qilan Culture Development Co.,Ltd. |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Asbestos after acidification Effective date of registration: 20230413 Granted publication date: 20160406 Pledgee: Huzhou Wuxing Rural Commercial Bank Co.,Ltd. Pledgor: ZHEJIANG LONGYING PHOTOELECTRIC TECHNOLOGY Co.,Ltd. Registration number: Y2023110000157 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20160406 Pledgee: Huzhou Wuxing Rural Commercial Bank Co.,Ltd. Pledgor: ZHEJIANG LONGYING PHOTOELECTRIC TECHNOLOGY Co.,Ltd. Registration number: Y2023110000157 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Acidified asbestos Granted publication date: 20160406 Pledgee: Huzhou Wuxing Rural Commercial Bank Co.,Ltd. Pledgor: ZHEJIANG LONGYING PHOTOELECTRIC TECHNOLOGY Co.,Ltd. Registration number: Y2024980013322 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |