CN104387076B - A kind of corrosion-resistant ceramic nozzle and preparation method thereof - Google Patents
A kind of corrosion-resistant ceramic nozzle and preparation method thereof Download PDFInfo
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- CN104387076B CN104387076B CN201410590665.2A CN201410590665A CN104387076B CN 104387076 B CN104387076 B CN 104387076B CN 201410590665 A CN201410590665 A CN 201410590665A CN 104387076 B CN104387076 B CN 104387076B
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Abstract
The invention discloses a kind of corrosion-resistant ceramic nozzle, it is characterized in that, be made up of the raw material of following weight portion: andalusite 1-2, galapectite 4-8, Actinolitum 2.6-3.9, nine eyestone shale 2.1-3.4, pitchstone 1.2-1.5, dextrin 0.5-0.8, sodium sulfate 0.2-0.4, zinc oxide 24-37, manganese dioxide 13-15, anhydrous citric acid 1.3-1.6, nanometer silicon carbide micro powder 65-75, Milled wood lignin 3-4, butyl acrylate 12-14, naphthenic oil 11-15, auxiliary agent 3-4, suitable quantity of water；The present invention prepares simply, and easy to operate, cost is low, and the ceramic nozzle prepared has that wearability is good, chemical resistance strong, mechanical strength advantages of higher.
Description
Technical field
The present invention relates to a kind of ceramic nozzle preparation technology, belong to nozzle field shaping technique, be specifically related to a kind of corrosion-resistant ceramic nozzle and preparation method thereof.
Background technology
Ceramic nozzle is since eighties of last century the nineties introduces China, material constantly improves renewal, nitride ceramics and carbide ceramics is developed into gradually from oxide ceramics, and production technology and preparation method fall behind, causing ceramic nozzle in prior art to there is many defects, such as hardness is not high, wear no resistance, anticorrosion fluid erosion prevention ability is weak, ductility is little.For overcoming the deficiencies in the prior art, it is necessary to existing ceramic nozzle production technology is improved, thus preparing the ceramic nozzle with functions such as cost is low, function diversification, fire-retardant, hardness is high, wear-resisting, radioprotectives being suitable for different demands.
Summary of the invention
It is an object of the invention to provide a kind of corrosion-resistant ceramic nozzle and preparation method thereof, to overcome the deficiencies in the prior art.
The object of the present invention is achieved like this:
A kind of corrosion-resistant ceramic nozzle, it is characterized in that, be made up of the raw material of following weight portion: andalusite 1-2, galapectite 4-8, Actinolitum 2.6-3.9, nine eyestone shale 2.1-3.4, pitchstone 1.2-1.5, dextrin 0.5-0.8, sodium sulfate 0.2-0.4, zinc oxide 24-37, manganese dioxide 13-15, anhydrous citric acid 1.3-1.6, nanometer silicon carbide micro powder 65-75, Milled wood lignin 3-4, butyl acrylate 12-14, naphthenic oil 11-15, auxiliary agent 3-4, suitable quantity of water.
nullDescribed auxiliary agent is made up of following raw materials in part by weight: polyvinyl alcohol 17-21、Graphite powder 3-5、Anhydrite 2-4、Gangue 4-6、Acrylic acid 2.1-4.1、Allyl polyglycol 3.2-4.5、Benzoyl peroxide 1.2-3.3、Dibutyl tin laurate 0.2-0.4、Sodium hexameta phosphate 1-2、Zinc sulfate 2-3、Sodium selenite 0.4-0.8、Nanoscale magnesium silicate 2-4，Its preparation method is by Anhydrite、Colliery powder is broken to 120-150 order，Add graphite powder、Zinc sulfate stirring and evenly mixing is calcined 2-3 hour at 710-820 DEG C，Shrend，Then acrylic acid is added、Allyl polyglycol、Benzoyl peroxide stirring and evenly mixing，Under 70-90 DEG C of bath temperature, speed lapping slurry particle diameter is to less than 15 μm，It is spray dried to powder，By prepared powder and polyvinyl alcohol、Sodium hexameta phosphate、Nanoscale magnesium silicate and the mixing of other residual componentss，Grind 1-2 hour and get final product.
The preparation method of described a kind of corrosion-resistant ceramic nozzle, it is characterised in that comprise the following steps:
(1) nine eyestone shale, pitchstone mixing are put in calcining furnace and calcined 2-3 hour at 750-880 DEG C, quench with the calcium chloride solution of 1-3 ‰, add dextrin, sodium sulfate grinding 30-50 minute；
(2) take andalusite, galapectite, Actinolitum mixing be crushed to 100-150 order, addition zinc oxide, nanometer silicon carbide micro powder, manganese dioxide mix to be calcined 1-2 hour at 770-850 DEG C, it is cooled to room temperature and adds butyl acrylate, naphthenic oil speed lapping to slurry particle diameter to 20-30 μm, spray drying；
(3) by step (1), the mixing of (2) reaction mass, the slurry that solid content is 50-60% is made in the making beating that adds water, and adds other residual componentss circulation stirring according to this and grinds 8-10 time, grinds more than 2 hours every time；
(4) above-mentioned slurry is injected die for molding, sinter 5-10 hour in 1850 DEG C～2280 DEG C through repaired biscuit, dry, shove charge, cooling discharging.
The present invention has following beneficial effect: the present invention prepares simply, and easy to operate, cost is low, and the ceramic nozzle prepared has that wearability is good, chemical resistance strong, mechanical strength advantages of higher.
Detailed description of the invention
Described a kind of corrosion-resistant ceramic nozzle, it is characterized in that, be made up of the raw material of following weight portion: andalusite 1, galapectite 7, Actinolitum 2.8, nine eyestone shale 2.9, pitchstone 1.3, dextrin 0.5, sodium sulfate 0.2, zinc oxide 29, manganese dioxide 15, anhydrous citric acid 1.3, nanometer silicon carbide micro powder 68, Milled wood lignin 4, butyl acrylate 12, naphthenic oil 15, auxiliary agent 4, suitable quantity of water.
nullDescribed auxiliary agent is made up of following raw materials in part by weight: polyvinyl alcohol 18、Graphite powder 4、Anhydrite 2、Gangue 6、Acrylic acid 2.8、Allyl polyglycol 3.8、Benzoyl peroxide 1.9、Dibutyl tin laurate 0.3、Sodium hexameta phosphate 1、Zinc sulfate 2、Sodium selenite 0.4、Nanoscale magnesium silicate 2，Its preparation method is by Anhydrite、Colliery powder is broken to 120-150 order，Add graphite powder、Zinc sulfate stirring and evenly mixing is calcined 2-3 hour at 710-820 DEG C，Shrend，Then acrylic acid is added、Allyl polyglycol、Benzoyl peroxide stirring and evenly mixing，Under 70-90 DEG C of bath temperature, speed lapping slurry particle diameter is to less than 15 μm，It is spray dried to powder，By prepared powder and polyvinyl alcohol、Sodium hexameta phosphate、Nanoscale magnesium silicate and the mixing of other residual componentss，Grind 1-2 hour and get final product.
Manufacture method comprises the following steps:
(1) nine eyestone shale, pitchstone mixing are put in calcining furnace and calcined 2-3 hour at 750-880 DEG C, quench with the calcium chloride solution of 1-3 ‰, add dextrin, sodium sulfate grinding 30-50 minute；
(2) take andalusite, galapectite, Actinolitum mixing be crushed to 100-150 order, addition zinc oxide, nanometer silicon carbide micro powder, manganese dioxide mix to be calcined 1-2 hour at 770-850 DEG C, it is cooled to room temperature and adds butyl acrylate, naphthenic oil speed lapping to slurry particle diameter to 20-30 μm, spray drying；
(3) by step (1), the mixing of (2) reaction mass, the slurry that solid content is 50-60% is made in the making beating that adds water, and adds other residual componentss circulation stirring according to this and grinds 8-10 time, grinds more than 2 hours every time；
(4) above-mentioned slurry is injected die for molding, sinter 5-10 hour in 1850 DEG C～2280 DEG C through repaired biscuit, dry, shove charge, cooling discharging.
Using the ceramic nozzle that the present embodiment produces to have good corrosion resistance and wearability, its consistency reaches more than 97.6% after tested, and bulk density is 3.42g/cm3, rupture strength is 677Mpa；The duct interior finish of nozzle is good, and jeting effect is desirable.
Claims (1)
1. a corrosion-resistant ceramic nozzle, it is characterized in that, be made up of the raw material of following weight portion: andalusite 1-2, galapectite 4-8, Actinolitum 2.6-3.9, nine eyestone shale 2.1-3.4, pitchstone 1.2-1.5, dextrin 0.5-0.8, sodium sulfate 0.2-0.4, zinc oxide 24-37, manganese dioxide 13-15, anhydrous citric acid 1.3-1.6, nanometer silicon carbide micro powder 65-75, Milled wood lignin 3-4, butyl acrylate 12-14, naphthenic oil 11-15, auxiliary agent 3-4, suitable quantity of water；nullDescribed auxiliary agent is made up of following raw materials in part by weight: polyvinyl alcohol 17-21、Graphite powder 3-5、Anhydrite 2-4、Gangue 4-6、Acrylic acid 2.1-4.1、Allyl polyglycol 3.2-4.5、Benzoyl peroxide 1.2-3.3、Dibutyl tin laurate 0.2-0.4、Sodium hexameta phosphate 1-2、Zinc sulfate 2-3、Sodium selenite 0.4-0.8、Nanoscale magnesium silicate 2-4，Its preparation method is by Anhydrite、Colliery powder is broken to 120-150 order，Add graphite powder、Zinc sulfate stirring and evenly mixing is calcined 2-3 hour at 710-820 DEG C，Shrend，Then acrylic acid is added、Allyl polyglycol、Benzoyl peroxide stirring and evenly mixing，Under 70-90 DEG C of bath temperature, speed lapping slurry particle diameter is to less than 15 μm，It is spray dried to powder，By prepared powder and polyvinyl alcohol、Sodium hexameta phosphate、Nanoscale magnesium silicate and the mixing of other residual componentss，Grind 1-2 hour and get final product.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410590665.2A CN104387076B (en) | 2014-10-29 | 2014-10-29 | A kind of corrosion-resistant ceramic nozzle and preparation method thereof |
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| CN201410590665.2A CN104387076B (en) | 2014-10-29 | 2014-10-29 | A kind of corrosion-resistant ceramic nozzle and preparation method thereof |
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| CN104387076A CN104387076A (en) | 2015-03-04 |
| CN104387076B true CN104387076B (en) | 2016-07-06 |
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| DE19730996A1 (en) * | 1997-07-18 | 1999-01-21 | Klaus Rennebeck | Process for the production of ceramic fibers, the ceramic fibers produced thereafter and their use |
| RU2380136C1 (en) * | 2006-03-31 | 2010-01-27 | Порвэйр Плс | Corrosion-proof ceramic foam filter with low expansion ratio for filtration of melt aluminium |
| CN103553704B (en) * | 2013-11-08 | 2015-04-08 | 武汉理工大学 | Method for preparing high-temperature dust removal ceramic filter pipe by utilizing andalusite |
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Inventor after: Xu Yali Inventor before: Xia Jianguo |
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Effective date of registration: 20170622 Address after: Xikang Road Heping District of Tianjin city center 300000 Building No. 3 802 Patentee after: Xu Yali Address before: 230011 Anhui Province, Hefei city Yaohai District Hongqi Industrial Park Road, No. 4 Fuxing building Patentee before: ANHUI WANJIE HYDRAULIC TECHNOLOGY CO., LTD. |
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Effective date of registration: 20180827 Address after: 412200 Liling Economic Development Zone, Hunan Patentee after: Gangpeng Industry Co., Ltd., Hunan Prov. Address before: 300000 building 3, saidton center, Sai Kun Road, Heping District, Tianjin, 802 Patentee before: Xu Yali |