CN108588410A - A kind of novel material and preparation method thereof of dedusting ash and fever material composite heating - Google Patents
A kind of novel material and preparation method thereof of dedusting ash and fever material composite heating Download PDFInfo
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- CN108588410A CN108588410A CN201810372808.0A CN201810372808A CN108588410A CN 108588410 A CN108588410 A CN 108588410A CN 201810372808 A CN201810372808 A CN 201810372808A CN 108588410 A CN108588410 A CN 108588410A
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- dedusting ash
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- fever
- composite heating
- binder
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B1/00—Preliminary treatment of ores or scrap
- C22B1/14—Agglomerating; Briquetting; Binding; Granulating
- C22B1/24—Binding; Briquetting ; Granulating
- C22B1/242—Binding; Briquetting ; Granulating with binders
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B1/00—Preliminary treatment of ores or scrap
- C22B1/14—Agglomerating; Briquetting; Binding; Granulating
- C22B1/24—Binding; Briquetting ; Granulating
- C22B1/2406—Binding; Briquetting ; Granulating pelletizing
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- Chemical & Material Sciences (AREA)
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- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The present invention relates to metallurgical technology field, the novel material of specially a kind of dedusting ash and fever material composite heating includes the component of following parts by weight：65 ~ 70 parts of dedusting ash, 25 ~ 30 parts of exothermic mixture, 1 ~ 3 part of water, 2 ~ 5 parts of binder.In the case that the present invention is directed to converter scrap ratio height, dedusting ash can not be consumed effectively, the problem of resulting in waste of resources with environmental pollutions such as airborne dusts, exothermic mixture is added in dedusting ash, produce it is a kind of can in converter effective temperature raising novel material, solve the problems, such as that dedusting ash can not consume, while also solving problem of environmental pollution, scrap ratio can also be effectively promoted, scrap ratio promotes 1.5 2%.
Description
Technical field
The present invention relates to metallurgical technology field, specially a kind of dedusting ash and generate heat material composite heating novel material and
Preparation method.
Background technology
Converter dedusting line will produce a large amount of dedusting ash, and the whereabouts of dedusting ash is intended for cold-pressing balls mostly in the prior art
Producing line is pressed into cold-pressing balls, or is sent to rotary hearth furnace production metal ball.However after the raising of converter scrap ratio, thermal balance in converter
It reaches capacity, shortage of heat in converter, this results in effectively disappearing using metal ball/cold-pressing balls that dedusting ash is produced as raw material
A kind of the problem of consumption, dedusting ash can not be consumed effectively, not only cause wasting of resources, but also cause the environmental pollutions such as airborne dust.
Technical solution
To solve problems of the prior art, a kind of effective solution resource waste and pollution environment of disclosure of the invention, and carry
Rise the novel material of the dedusting ash and fever material composite heating of converter scrap ratio.
To achieve the above object, the present invention adopts the following technical scheme that：
A kind of novel material of dedusting ash and fever material composite heating, includes the component of following parts by weight：Dedusting ash 65 ~ 70
Part, 25 ~ 30 parts of exothermic mixture, 1 ~ 3 part of water, 2 ~ 5 parts of binder.
Preferably, the exothermic mixture is the combination of one or both of ferrosilicon particle, silicon-carbide particle.
Preferably, dedusting ash+exothermic mixture accounts for 95% in the novel material of the dedusting ash and fever material composite heating,
Water+binder accounts for 5%.
Preferably, dedusting ash and the weight ratio of exothermic mixture are 7:3.
Preferably, the material includes the component of following parts by weight：66.5 parts of dedusting ash, 28.5 parts of exothermic mixture, water
2 parts, 3 parts of binder.
Preferably, the material includes the component of following parts by weight：66.5 parts of dedusting ash, 28.5 parts of ferrosilicon particle,
2 parts of water, 3 parts of binder.
Preferably, the binder is organic binder, aqueous chemical binder.
The invention also discloses the preparations of any of the above-described dedusting ash and the novel material of fever material composite heating
Method, concrete scheme are as follows：
A kind of preparation method of the novel material of dedusting ash and the material composite heating that generates heat, includes the following steps：Raw material reception →
Dispensing → resolution → mixing → pressure ball → drying.
Preferably, being conveyed from dedusting ash collecting bin by dedusting ash in a manner of Geldart-D particle in the raw material receiving step
To dedusting ash storage warehouse, exothermic mixture is transported to exothermic mixture storage warehouse；Dedusting ash and exothermic mixture are carried out in the batching step
Water distribution is mixed, the content of water is 1% ~ 3%；Material enters disintegration cabin and is cleared up in the resolution step, and digestion time is 10 ~ 12
Hour.
Preferably, material enters intensive mixer and matches binder in the mixing step, the content of binder is 3% ~
5%；Material enters ball press pressure ball in the pressure ball step, and ball press pressure is 19Mpa.
Preferably, the process conditions of the drying are：Room temperature is dried, and the spontaneous thermal process of pressure ball is taken：Contain in binder
Spontaneous heating ingredient, temperature is 80-100 DEG C after balling-up, drying time：4-6 hours.
Advantageous effect
1. the present invention is in the case of converter scrap ratio height, dedusting ash can not be consumed effectively, result in waste of resources with airborne dust etc.
The problem of environmental pollution, adds exothermic mixture in dedusting ash, produce it is a kind of can in converter effective temperature raising novel material, have
Effect solves the problems, such as that dedusting ash can not consume, while also solving problem of environmental pollution, moreover it is possible to effectively promote scrap ratio, give up
Steel is than promoting 1.5-2%.
2. novel material of the present invention does skeleton, pressure ball intensity higher, chip index using ferrosilicon grain/carbonization silicon grain
2-5%, normal pressure ball chip index 10-13% are reduced than normal pressure ball chip index.
3. novel material of the present invention is using fever material pressure ball, pressure ball has heating effect, according to exothermic mixture：It removes
Dust=3:7 proportional arrangements, ferrosilicon grain pressure ball heating effect are 3.5 DEG C/t, and silicon carbide press balls heating effect is 0 DEG C/t,（Normally
Cold-pressing balls temperature drop is 13-15 DEG C/t）.
4. novel material unit price of the present invention：1941 yuan；Per stove usage amount：3.5t；Iron and steel stock cost：- 9 yuan/t；
Lime cost：2.06 yuan/t；Novel material cost：18.2 yuan/t；Totle drilling cost：=-9+2.06+18.2=11.2 yuan/t；Put forward production effect
Benefit：=22.4 yuan/t（Steel gross profit is calculated according to 800 yuan）；Total benefit=22.4-11.2=11.2 yuan/t produces 6000000 tons per year, always
Benefit is：67200000 yuan/year.
Specific implementation mode
For a better understanding of the present invention, below with specific example come the technical solution that the present invention will be described in detail, but this
Invention is not limited thereto.
Embodiment 1
A kind of novel material of dedusting ash and fever material composite heating, includes the component of following parts by weight：65 parts of dedusting ash, silicon
25 parts of iron particle, 1 part of water, 2 parts of binder, the binder are organic binder.
The preparation method of the novel material of above-mentioned dedusting ash and fever material composite heating, includes the following steps：Raw material connects
Receipts → dispensing → resolution → mixing → pressure ball → drying.
In the raw material receiving step dedusting ash is transported to from dedusting ash collecting bin by dedusting ash in a manner of Geldart-D particle
Exothermic mixture is transported to exothermic mixture storage warehouse by storage warehouse；Dedusting ash and exothermic mixture are subjected to mixing water distribution in the batching step,
The content of water is 1%；Material enters disintegration cabin and is cleared up in the resolution step, and digestion time is 10 hours.The mixing step
Material enters intensive mixer and matches binder in rapid, and the content of binder is 3%；Material enters ball press in the pressure ball step
Pressure ball, ball press pressure are 19Mpa.The process conditions of the drying are：Room temperature is dried, and the spontaneous thermal process of pressure ball is taken：It bonds
Ingredient containing spontaneous heating in agent, temperature is 80 DEG C after balling-up, drying time：4 hours.
Embodiment 2
A kind of novel material of dedusting ash and fever material composite heating, includes the component of following parts by weight：65 parts of dedusting ash, silicon
30 parts of iron particle, 2 parts of water, 3 parts of binder, the binder are aqueous chemical binder.
The preparation method of the novel material of above-mentioned dedusting ash and fever material composite heating, includes the following steps：Raw material connects
Receipts → dispensing → resolution → mixing → pressure ball → drying.
In the raw material receiving step dedusting ash is transported to from dedusting ash collecting bin by dedusting ash in a manner of Geldart-D particle
Exothermic mixture is transported to exothermic mixture storage warehouse by storage warehouse；Dedusting ash and exothermic mixture are subjected to mixing water distribution in the batching step,
The content of water is 3%；Material enters disintegration cabin and is cleared up in the resolution step, and digestion time is 12 hours.The mixing step
Material enters intensive mixer and matches binder in rapid, and the content of binder is 5%；Material enters ball press in the pressure ball step
Pressure ball, ball press pressure are 19Mpa.The process conditions of the drying are：Room temperature is dried, and the spontaneous thermal process of pressure ball is taken：It bonds
Ingredient containing spontaneous heating in agent, temperature is 80-100 DEG C after balling-up, drying time：4-6 hours.
Embodiment 3
A kind of novel material of dedusting ash and fever material composite heating, includes the component of following parts by weight：65 parts of dedusting ash, carbon
30 parts of silicon carbide particle, 2 parts of water, 3 parts of binder.
The preparation method of the novel material of above-mentioned dedusting ash and fever material composite heating, includes the following steps：Raw material connects
Receipts → dispensing → resolution → mixing → pressure ball → drying.
In the raw material receiving step dedusting ash is transported to from dedusting ash collecting bin by dedusting ash in a manner of Geldart-D particle
Exothermic mixture is transported to exothermic mixture storage warehouse by storage warehouse；Dedusting ash and exothermic mixture are subjected to mixing water distribution in the batching step,
The content of water is 2%；Material enters disintegration cabin and is cleared up in the resolution step, and digestion time is 11 hours.The mixing step
Material enters intensive mixer and matches binder in rapid, and the content of binder is 4%；Material enters ball press in the pressure ball step
Pressure ball, ball press pressure are 19Mpa.The process conditions of the drying are：Room temperature is dried, and the spontaneous thermal process of pressure ball is taken：It bonds
Ingredient containing spontaneous heating in agent, temperature is 80-100 DEG C after balling-up, drying time：4-6 hours.
Embodiment 4
A kind of novel material of dedusting ash and fever material composite heating, includes the component of following parts by weight：70 parts of dedusting ash, hair
30 parts of thermit powder, 2 parts of water, 2.8 parts of binder.The exothermic mixture is the combination of ferrosilicon particle, silicon-carbide particle, ferrosilicon particle and carbon
The weight ratio of silicon carbide particle is 2 ~ 5:1.
The preparation method of the novel material of above-mentioned dedusting ash and fever material composite heating, includes the following steps：Raw material connects
Receipts → dispensing → resolution → mixing → pressure ball → drying.
In the raw material receiving step dedusting ash is transported to from dedusting ash collecting bin by dedusting ash in a manner of Geldart-D particle
Exothermic mixture is transported to exothermic mixture storage warehouse by storage warehouse；Dedusting ash and exothermic mixture are subjected to mixing water distribution in the batching step,
The content of water is 1%；Material enters disintegration cabin and is cleared up in the resolution step, and digestion time is 11 hours.The mixing step
Material enters intensive mixer and matches binder in rapid, and the content of binder is 3%；Material enters ball press in the pressure ball step
Pressure ball, ball press pressure are 19Mpa.The process conditions of the drying are：Room temperature is dried, and the spontaneous thermal process of pressure ball is taken：It bonds
Ingredient containing spontaneous heating in agent, temperature is 80-100 DEG C after balling-up, drying time：4-6 hours.
Claims (10)
1. the novel material of a kind of dedusting ash and fever material composite heating, includes the component of following parts by weight：Dedusting ash 65 ~ 70
Part, 25 ~ 30 parts of exothermic mixture, 1 ~ 3 part of water, 2 ~ 5 parts of binder.
2. the novel material of dedusting ash and fever material composite heating according to claim 1, it is characterised in that：The fever
Agent is the combination of one or both of ferrosilicon particle, silicon-carbide particle.
3. the novel material of dedusting ash and fever material composite heating according to claim 1, it is characterised in that：The dedusting
Dedusting ash+exothermic mixture accounts for 95% in the novel material of ash and fever material composite heating, and water+binder accounts for 5%.
4. the novel material of dedusting ash and fever material composite heating according to claim 1, it is characterised in that：Dedusting ash with
The weight ratio of exothermic mixture is 7:3.
5. the novel material of dedusting ash and fever material composite heating according to claim 1, it is characterised in that：The material
Include the component of following parts by weight：66.5 parts of dedusting ash, 28.5 parts of exothermic mixture, 2 parts of water, 3 parts of binder.
6. the novel material of dedusting ash and fever material composite heating according to claim 1, it is characterised in that：The material
Include the component of following parts by weight：66.5 parts of dedusting ash, 28.5 parts of ferrosilicon particle, 2 parts of water, 3 parts of binder.
7. the preparation method of the novel material of any dedusting ash of claim 1-6 and fever material composite heating, special
Sign is：Include the following steps：Raw material reception → dispensing → resolution → mixing → pressure ball → drying.
8. the preparation method of the novel material of dedusting ash and fever material composite heating, feature exist according to claim 6
In：In the raw material receiving step dedusting ash storage is transported to from dedusting ash collecting bin by dedusting ash in a manner of Geldart-D particle
Exothermic mixture is transported to exothermic mixture storage warehouse by storehouse；Dedusting ash and exothermic mixture are subjected to mixing water distribution in the batching step, water
Content is 1% ~ 3%；Material enters disintegration cabin and is cleared up in the resolution step, and digestion time is 10 ~ 12 hours.
9. the preparation method of the novel material of dedusting ash and fever material composite heating, feature exist according to claim 6
In：Material enters intensive mixer and matches binder in the mixing step, and the content of binder is 3% ~ 5%；The pressure ball step
Middle material enters ball press pressure ball, and ball press pressure is 19Mpa.
10. the preparation method of the novel material of dedusting ash and fever material composite heating, feature exist according to claim 6
In：The process conditions of the drying are：Room temperature is dried, and the spontaneous thermal process of pressure ball is taken：Ingredient containing spontaneous heating in binder, balling-up
Temperature is 80-100 DEG C afterwards, drying time：4-6 hours.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810372808.0A CN108588410B (en) | 2018-04-24 | 2018-04-24 | Novel dedusting ash and heating material composite heating material and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810372808.0A CN108588410B (en) | 2018-04-24 | 2018-04-24 | Novel dedusting ash and heating material composite heating material and preparation method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN108588410A true CN108588410A (en) | 2018-09-28 |
| CN108588410B CN108588410B (en) | 2021-09-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810372808.0A Active CN108588410B (en) | 2018-04-24 | 2018-04-24 | Novel dedusting ash and heating material composite heating material and preparation method thereof |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101705333A (en) * | 2009-11-28 | 2010-05-12 | 山西太钢不锈钢股份有限公司 | Reduction and utilization method of dedusting ash of stainless steel |
| CN104109755A (en) * | 2014-07-30 | 2014-10-22 | 中冶南方工程技术有限公司 | Production system and method of cold-pressed metal pellets of fly ashes |
-
2018
- 2018-04-24 CN CN201810372808.0A patent/CN108588410B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101705333A (en) * | 2009-11-28 | 2010-05-12 | 山西太钢不锈钢股份有限公司 | Reduction and utilization method of dedusting ash of stainless steel |
| CN104109755A (en) * | 2014-07-30 | 2014-10-22 | 中冶南方工程技术有限公司 | Production system and method of cold-pressed metal pellets of fly ashes |
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| Publication number | Publication date |
|---|---|
| CN108588410B (en) | 2021-09-07 |
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