CN104451190A - Process for producing fluorite ball - Google Patents
Process for producing fluorite ball Download PDFInfo
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- CN104451190A CN104451190A CN201410647723.0A CN201410647723A CN104451190A CN 104451190 A CN104451190 A CN 104451190A CN 201410647723 A CN201410647723 A CN 201410647723A CN 104451190 A CN104451190 A CN 104451190A
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- fluorite
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Abstract
The invention discloses a process for producing a fluorite ball. The process comprises the following several steps of (1) raw material treatment: placing fluorite floatation powder into a drying box for drying, wherein the granularity of the fluorite floatation powder is 200 meshes, the drying temperature is 100-120 DEG C, and the temperature inside the drying box is 600 DEG C; (2) feeding: feeding the fluorite floatation powder into a stirring tank through a pit conveying belt, stirring and adding an additive at the same time, sufficiently stirring to obtain a mixture, wherein the additive comprises clay, sodium silicate and calcium stearate, and the weight ratio of the fluorite floatation powder to the additive is 10:1; (3) extrusion: placing the mixture into an aluminum semisphere press mould, and oppositely pressing and extruding by adopting a hydraulic pump to obtain a fluorite ball crude product; and (4) secondary drying: carrying out the secondary drying on the fluorite ball crude product under the condition that the temperature is 105-120 DEG C to obtain a final fluorite ball finished product, wherein the drying time is 40-60 minutes.
Description
Technical field:
The present invention relates to the solubility promoter in a kind of metal metallurgy smelting, particularly relate to a kind of production technique of Fluorite pellet.
Background technology:
Fluorite is widely used at metallurgy industry, and it has the fusing point that can reduce infusibility material, promotes slag flowing, slag is separated well with metal, can improves desulfurization, dephosphorizing process in smelting process, the features such as the forging property of enhancing metal and tensile strength.Therefore, it is widely used in smelting iron and steel and J. sigillate, change iron process and non-ferrous metal metallurgy as fusing assistant.China is the big producing country of fluorite goods, is also a consumption big country.Current fluorite lump ore resource is little, and grade is low.Domestic fluorite lump ore produces the underproduction every year, and domestic fluorite lump ore market has openings is large.In recent years, in supply country, the fluorite lump ore grade of steel-making is low, can not adapt to steel mill's production rate, and changes slag time length, weak effect, incurs loss through delay production rate and makes reducing of the productivity.
Based on the situation of contradiction more and more fierce between fluorite supply and demand, deep processing, reprocessing synthetic Fluorite pellet replace fluorite lump ore to become development trend.Wherein, synthetic high pressure Fluorite pellet superior with it, efficiently productivity obtain good development.And China's fluorite Low grade resource is more, for further developing of synthetic high pressure Fluorite pellet Products Industry provides raw material basis, also attract attention gradually with its exploitation synthetic high pressure Fluorite pellet goods.
Main component fluorine in fluorite has larger erosion action to furnace lining, the life-span of body of heater can be shortened to the erosion of furnace lining when particularly using excessive, in smelting process, fluorochemical, in the laggard people's sewage of dedusting, also can cause Oil repellent in water to increase, contaminate environment simultaneously.Therefore the Fluorite pellet of inevitable requirement synthetic is of high grade, stable components, detrimental impurity content are low, low, the waterproof and dampproof excellent property of epigranular, moisture content, ultimate compression strength are good, change slag speed soon to shorten the heat, and reduces the erosion to furnace lining.
Summary of the invention:
The present invention seeks to, be used for making up the deficiencies in the prior art, and a kind of production technique of Fluorite pellet is provided.
To achieve these goals, technical scheme of the present invention is as follows:
A production technique for Fluorite pellet, comprises following step:
(1) Feedstock treating: fluorite powder is placed in baking oven and dries, wherein, the granularity of fluorite powder is 200 orders, and bake out temperature is 100-120 DEG C, and wherein oven temperature is 600 DEG C;
(2) material loading: fluorite powder is passed through melt pit conveying belt material loading in stirred pot, add additive while stirring, obtain compound after fully stirring; Wherein, described additive is clay, water glass and calcium stearate, and wherein the weight ratio of fluorite powder and additive is 10:1;
(3) material extrusion: compound is placed in aluminum hemisphere pressing mold, adopts hydro-pump to carry out, to pressure, material extrusion, obtaining Fluorite pellet crude product;
(4) secondary drying: Fluorite pellet crude product is carried out secondary drying under temperature is 105-120 DEG C of condition, and drying time is 40-60min, obtains final Fluorite pellet finished product.
The production technique of described a kind of Fluorite pellet, described baking oven relies on producer gas generator to provide hot gas.
The production technique of described a kind of Fluorite pellet, CaF in described fluorite powder
2content be greater than 85%, SiO
2content be less than 3%.
The production technique of described a kind of Fluorite pellet, described additive is made up of clay 20-30 part, water glass 3-5 part and calcium stearate 10-15 part with weight parts.
The production technique of described a kind of Fluorite pellet, the mass ratio of described clay and calcium stearate is 2:1.
Beneficial effect of the present invention is as follows:
Preparation technology of the present invention is simple, and the clay added, water glass and calcium stearate can play good bonding and dissemination; The Fluorite pellet that the present invention prepares is of high grade, and steady quality has and reasonably reacts specific surface area, and hardness is high, is especially applicable to refining copper, zinc metal.Intensity ultimate compression strength can reach 6-9N/mm
2, CaF in Fluorite pellet
2content be greater than 90%.
Embodiment:
The technique means realized to make the present invention, creation characteristic, reaching object and effect is easy to understand, below in conjunction with specific embodiment, setting forth the present invention further.
Embodiment 1:
In the present embodiment, a kind of production technique of Fluorite pellet, comprises following step:
(1) Feedstock treating: fluorite powder is placed in baking oven and dries, wherein, the granularity of fluorite powder is 200 orders, and bake out temperature is 120 DEG C, and wherein oven temperature is 600 DEG C;
(2) material loading: fluorite powder is passed through melt pit conveying belt material loading in stirred pot, add additive while stirring, obtain compound after fully stirring; Wherein, described additive is clay, water glass and calcium stearate, and wherein the weight ratio of fluorite powder and additive is 10:1;
(3) material extrusion: compound is placed in aluminum hemisphere pressing mold, adopts hydro-pump to carry out, to pressure, material extrusion, obtaining Fluorite pellet crude product;
(4) secondary drying: Fluorite pellet crude product is carried out secondary drying under temperature is 120 DEG C of conditions, and drying time is 40min, obtains final Fluorite pellet finished product.
Wherein, described baking oven relies on producer gas generator to provide hot gas; CaF in described fluorite powder
2content be greater than 85%, SiO
2content be less than 3%; Described additive is made up of clay 20 parts, water glass 3 parts and calcium stearate 10 parts with weight parts.
Embodiment 2:
In this enforcement, a kind of production technique of Fluorite pellet, comprises following step:
(1) Feedstock treating: fluorite powder is placed in baking oven and dries, wherein, the granularity of fluorite powder is 200 orders, and bake out temperature is 100 DEG C, and wherein oven temperature is 600 DEG C;
(2) material loading: fluorite powder is passed through melt pit conveying belt material loading in stirred pot, add additive while stirring, obtain compound after fully stirring; Wherein, described additive is clay, water glass and calcium stearate, and wherein the weight ratio of fluorite powder and additive is 10:1;
(3) material extrusion: compound is placed in aluminum hemisphere pressing mold, adopts hydro-pump to carry out, to pressure, material extrusion, obtaining Fluorite pellet crude product;
(4) secondary drying: Fluorite pellet crude product is carried out secondary drying under temperature is 105 DEG C of conditions, and drying time is 60min, obtains final Fluorite pellet finished product.
Wherein, described baking oven relies on producer gas generator to provide hot gas; CaF in described fluorite powder
2content be greater than 85%, SiO
2content be less than 3%; Described additive is made up of clay 30 parts, water glass 5 parts and calcium stearate 15 parts with weight parts.
Embodiment 3
A production technique for Fluorite pellet, comprises following step:
(1) Feedstock treating: fluorite powder is placed in baking oven and dries, wherein, the granularity of fluorite powder is 200 orders, and bake out temperature is 110 DEG C, and wherein oven temperature is 600 DEG C;
(2) material loading: fluorite powder is passed through melt pit conveying belt material loading in stirred pot, add additive while stirring, obtain compound after fully stirring; Wherein, described additive is clay, water glass and calcium stearate, and wherein the weight ratio of fluorite powder and additive is 10:1;
(3) material extrusion: compound is placed in aluminum hemisphere pressing mold, adopts hydro-pump to carry out, to pressure, material extrusion, obtaining Fluorite pellet crude product;
(4) secondary drying: Fluorite pellet crude product is carried out secondary drying under temperature is 115 DEG C of conditions, and drying time is 50min, obtains final Fluorite pellet finished product.
Wherein, described baking oven relies on producer gas generator to provide hot gas; CaF in described fluorite powder
2content be greater than 85%, SiO
2content be less than 3%; Described additive is made up of clay 24 parts, water glass 4 parts and calcium stearate 12 parts with weight parts.
More than show and describe ultimate principle of the present invention and principal character and advantage of the present invention.The technician of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and specification sheets just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection domain is defined by appending claims and equivalent thereof.
Claims (5)
1. a production technique for Fluorite pellet, is characterized in that, comprises following step:
(1) Feedstock treating: fluorite powder is placed in baking oven and dries, wherein, the granularity of fluorite powder is 200 orders, and bake out temperature is 100-120 DEG C, and wherein oven temperature is 600 DEG C;
(2) material loading: fluorite powder is passed through melt pit conveying belt material loading in stirred pot, add additive while stirring, obtain compound after fully stirring; Wherein, described additive is clay, water glass and calcium stearate, and wherein the weight ratio of fluorite powder and additive is 10:1;
(3) material extrusion: compound is placed in aluminum hemisphere pressing mold, adopts hydro-pump to carry out, to pressure, material extrusion, obtaining Fluorite pellet crude product;
(4) secondary drying: Fluorite pellet crude product is carried out secondary drying under temperature is 105-120 DEG C of condition, and drying time is 40-60min, obtains final Fluorite pellet finished product.
2. the production technique of a kind of Fluorite pellet according to claim 1, is characterized in that, described baking oven relies on producer gas generator to provide hot gas.
3. the production technique of a kind of Fluorite pellet according to claim 1, is characterized in that, CaF in described fluorite powder
2content be greater than 85%, SiO
2content be less than 3%.
4. the production technique of a kind of Fluorite pellet according to claim 1, is characterized in that, described additive is made up of clay 20-30 part, water glass 3-5 part and calcium stearate 10-15 part with weight parts.
5. the production technique of a kind of Fluorite pellet according to claim 4, is characterized in that, the mass ratio of described clay and calcium stearate is 2:1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410647723.0A CN104451190B (en) | 2014-11-14 | 2014-11-14 | A kind of production technology of Fluorite pellet |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410647723.0A CN104451190B (en) | 2014-11-14 | 2014-11-14 | A kind of production technology of Fluorite pellet |
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| CN104451190A true CN104451190A (en) | 2015-03-25 |
| CN104451190B CN104451190B (en) | 2016-09-14 |
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| CN201410647723.0A Active CN104451190B (en) | 2014-11-14 | 2014-11-14 | A kind of production technology of Fluorite pellet |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105463189A (en) * | 2015-12-30 | 2016-04-06 | 广德林峰科技有限公司 | Production process of fluorite balls |
| CN107311215A (en) * | 2016-04-27 | 2017-11-03 | 林士凯 | Calcium fluoride sludge reutilization system |
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| CN202061591U (en) * | 2011-05-05 | 2011-12-07 | 新余市盛社冶金炉料有限公司 | Novel balling machine for low silicon fluorite ball |
| CN102634718A (en) * | 2012-04-28 | 2012-08-15 | 广州德曼冶金材料有限公司 | Preparation process for organically-combined fluorite ball |
| CN102703686A (en) * | 2012-05-02 | 2012-10-03 | 佛冈德宇萤石球有限公司 | Production process of inorganically combined fluorite balls |
| CN102776325A (en) * | 2012-08-16 | 2012-11-14 | 大余县萤通工贸有限公司 | Fluorite pellet and method for producing same |
| CN103060525A (en) * | 2012-12-26 | 2013-04-24 | 佛冈德宇萤石球有限公司 | Process for high pressure compaction of fluorite ball with sodium silicate as binder |
| CN103194595A (en) * | 2013-04-06 | 2013-07-10 | 江西理工大学 | Composite type fluorite pelletizing adhesive |
| CN103789511A (en) * | 2014-01-22 | 2014-05-14 | 红安县生伦冶金矿产科技实业有限公司 | Fluorite spheres and preparation method thereof |
-
2014
- 2014-11-14 CN CN201410647723.0A patent/CN104451190B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202061591U (en) * | 2011-05-05 | 2011-12-07 | 新余市盛社冶金炉料有限公司 | Novel balling machine for low silicon fluorite ball |
| CN102634718A (en) * | 2012-04-28 | 2012-08-15 | 广州德曼冶金材料有限公司 | Preparation process for organically-combined fluorite ball |
| CN102703686A (en) * | 2012-05-02 | 2012-10-03 | 佛冈德宇萤石球有限公司 | Production process of inorganically combined fluorite balls |
| CN102776325A (en) * | 2012-08-16 | 2012-11-14 | 大余县萤通工贸有限公司 | Fluorite pellet and method for producing same |
| CN103060525A (en) * | 2012-12-26 | 2013-04-24 | 佛冈德宇萤石球有限公司 | Process for high pressure compaction of fluorite ball with sodium silicate as binder |
| CN103194595A (en) * | 2013-04-06 | 2013-07-10 | 江西理工大学 | Composite type fluorite pelletizing adhesive |
| CN103789511A (en) * | 2014-01-22 | 2014-05-14 | 红安县生伦冶金矿产科技实业有限公司 | Fluorite spheres and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 余爱农: "《精细化工制剂成型技术》", 31 January 2002 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105463189A (en) * | 2015-12-30 | 2016-04-06 | 广德林峰科技有限公司 | Production process of fluorite balls |
| CN107311215A (en) * | 2016-04-27 | 2017-11-03 | 林士凯 | Calcium fluoride sludge reutilization system |
| CN107311215B (en) * | 2016-04-27 | 2019-03-15 | 林士凯 | Calcium fluoride sludge reutilization system |
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| Publication number | Publication date |
|---|---|
| CN104451190B (en) | 2016-09-14 |
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