CN105986121A - Method for producing multi-component alloy by using hill-skill soil and dust removing micro-powder - Google Patents
Method for producing multi-component alloy by using hill-skill soil and dust removing micro-powder Download PDFInfo
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- CN105986121A CN105986121A CN201510092145.3A CN201510092145A CN105986121A CN 105986121 A CN105986121 A CN 105986121A CN 201510092145 A CN201510092145 A CN 201510092145A CN 105986121 A CN105986121 A CN 105986121A
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Abstract
The invention relates to a method for producing a multi-component alloy by using hill-skill soil and dust removing micro-powder. The method is characterized by using the hill-skill soil (the hill-skill soil contains 30-50% of silicon) for adding such industrial wastes as waste slag and the dust removing micro-powder to replace necessary raw materials-silica and steel chips needed by traditional multi-component alloy production; and the reasonable ratio of all elements is determined. The method produces the multi-component alloy product accordant with the user requirements as shown in figure 1 by using beneficial elements in the waste slag and waste powder generated in the ferrosilicon smelting production and by heating and fusing several wastes in a refining furnace through heat of molten iron of a submerged arc furnace. The method produces the multi-component alloy; each tonnage of products can reduce electric consumption of 2000-3500; the energy of 12498.5 tonnage standard coals is saved per year; and 16000 tonnage waste slag powder is treated. The method reduces the production cost, saves resources, improves the product additional value, comprehensively uses a lot of industrial waste slag, and achieves the purposes of energy conservation and consumption reduction.
Description
Technical field
The invention belongs to the field of smelting of multicomponent alloy, the method producing multicomponent alloy for distinctive mountain, Ningxia, China skin stone and other waste residues.
Background technology
Multicomponent alloy is the alloy formed by more than two metallic elements.The ferroalloy industry indication multicomponent alloy is based on the multicomponent alloy product that element silicon is master.The multicomponent alloy that my company produces is mainly containing elements such as Si, Ba, Ca, Al, Sr, and this alloy is widely used in the industries such as metallurgy, machine-building, traffic, electric power, high ferro, is the high-end additive of molten metal refinement during hot investment casting produces.
The conventional production methods of this product is mainly smelting and produces, i.e. mineral hot furnace passes through raw material-Silicon stone, coke, steel cuttings, utilizes the metallic element in the high temperature energy smelting reduction raw material that the energy of electric arc produces.The method is main to produce ferrosilicon, silicomangan at home at present.In process of production, converting electrical energy into heat energy, consume great electricity, meanwhile, in raw material, the response rate of element is relatively low, causes the waste of resource and serious environmental pollution.
Summary of the invention
My company's independent research, utilizes a large amount of mountains skin stone that Helan Mountain, this area contains and the waste residue that conventional iron alloy enterprise produces, dedusting micropowder to produce multicomponent alloy, instead of the material silex needed for traditional mode of production multicomponent alloy, steel cuttings.Containing 50% silicon composition in the skin stone of mountain, by adding the useful element contained by the waste residue of above-mentioned Industrial Solid Waste gurry, useless powder, five kinds of waste materials are converted thawing through reasonable dispensing heat in refining furnace by the heat utilizing mineral hot furnace molten iron, produce and meet the multicomponent alloy product that user requires.Produce multicomponent alloy compared with traditional mode of production mode by the method, per ton reduce power consumption 2000-3500 degree.By 3000 degree of calculating of economize on electricity, coal can be marked by 0.37 ton of feast-brand mark coal, produce multicomponent alloy 20000 tons calculating, 7400 tons of feast-brand mark coal mark coal per year with this enterprise.Reducing semi-coke consumption 0.6 ton, conversion 9600 tons of coal of mark by the method, adding up to saving mark coal is 17000 tons of mark coals, disposes every waste residue powder 16000 tons.
A kind of production procedure utilizing mountain skin stone, dedusting micropowder to produce multicomponent alloy
Before production, answer ready work, it is ensured that device security can be good, possess entry condition.
Mountain skin stone, garbage are processed, wears into powdery, and raw material is sampled chemical examination.
A certain amount of garbage powder is put into the feeding system researched and developed voluntarily in proportion.
Raw material is sent into sintering in bulk in mineral hot furnace by conveyer belt by feeder, forms the primary raw material-multiple elements design material producing ferroalloy.
Multiple elements design material is sampled analysis ingredient.
The molten iron utilizing mineral hot furnace ensures that refining furnace furnace temperature reaches fusible state, adds refuse heat in stove such as a certain amount of mountain Pi Shi and converts thawing.
After converting fusing by heat, aluminium alloy is poured in ingot mould and cool down；Broken and sampling Detection is carried out after cooling；Detection certified products, carry out graded crushing packaging according to the size of customer requirement.
After production completes, carry out cleaning in stove, and the trouble free service such as the equipment that checks is the most intact.
Products application systematic function
(1) ferroalloy is typically used as deoxidizer.Removing the oxygen in molten steel in steelmaking process, some ferroalloy also can remove other impurity such as sulfur, nitrogen etc. in steel.
(2) multicomponent alloy is used as alloy addition.By steel grades requirement, add alloying element interior to improve the performance of steel to steel.
(3) multicomponent alloy is used as inovulant, adds in molten iron, improve the crystalline structure of foundry goods before cast iron casting.
Compared with traditional technology, the present invention has a following feature:
(1) conventional production methods of this product is mainly smelting production, i.e. uses the energy of mineral hot furnace electric arc, by Silicon stone, coke, steel cuttings, the metallic element in smelting reduction raw material, forms ferrosilicon, current domestic main to produce ferrosilicon series alloy.In process of production, using electric energy to be converted to heat energy, cause power consumption big, meanwhile, in raw material, the response rate of element is low, causes the waste of resource and the pollution of environment.
(2) my company's independent research, has carried out the technical study utilizing trade waste for raw material production multicomponent alloy.Through rational proportioning, extract the beneficial element that waste residue gives up in powder, make beneficial element be reduced, improve the response rate, reject impurity, needed for Foundry Production, produce multiple multicomponent alloy, achieve the comprehensive utilization of waste resource, reduce production cost, advance energy-saving and emission-reduction work.
Accompanying drawing explanation
Fig. 1 is production technological process
Fig. 2 is multicomponent alloy proportioning raw materials schematic diagram
In schematic diagram, each material rate is:
| Industrial residue | 0.05 | 33.33% |
| Coal | 0.01 | 0.67% |
| Coke powder | 0.04 | 2.67% |
| Mountain skin stone powder | 0.75 | 50.00% |
| Dedusting micropowder | 0.20 | 13.33% |
| Subtotal | 1.50 | 100.00% |
Detailed description of the invention
Below by example, the detailed description of the invention of the present invention is carried out more specific description, but it is merely to illustrate certain specific embodiments of the invention, and should not be construed as limiting the scope of the present invention.
Embodiment 1
Mountain skin stone, garbage are processed, chooses mountain skin stone that granularity is 20mm and other garbages wear into powdery, and raw material is sampled chemical examination, it is ensured that its constituent content is up to standard；Through rational proportioning, when mineral hot furnace furnace temperature reaches 2000 °, keep melting time 5min,
After refining furnace interior-heat converts thawing, aluminium alloy is poured in ingot mould and cool down；Carry out broken and sampling Detection after cooling, be seconds through analyzing product quality.
Embodiment 2
Mountain skin stone, garbage are processed, chooses mountain skin stone that granularity is 50mm and other garbages wear into powdery, and raw material is sampled chemical examination, it is ensured that its constituent content is up to standard；Through rational proportioning, when mineral hot furnace furnace temperature reaches 2500 °, keep melting time 20min,
After refining furnace interior-heat converts thawing, aluminium alloy is poured in ingot mould and cool down；Carry out broken and sampling Detection after cooling, be seconds through analyzing product quality.
Embodiment 3
Mountain skin stone, garbage are processed, chooses mountain skin stone that granularity is 80mm and other garbages wear into powdery, and raw material is sampled chemical examination, it is ensured that its constituent content is up to standard；Through rational proportioning, when mineral hot furnace furnace temperature reaches 1800 °, keep melting time 60min, after refining furnace interior-heat converts thawing, aluminium alloy is poured in ingot mould and cool down；Carry out broken and sampling Detection after cooling, be three grades of product through analyzing product quality.
Embodiment 4
Mountain skin stone, garbage are processed, chooses mountain skin stone that granularity is 100mm and other garbages wear into powdery, and raw material is sampled chemical examination, it is ensured that its constituent content is up to standard；Through rational proportioning, when mineral hot furnace furnace temperature reaches 2500 °, keep melting time 120min, after refining furnace interior-heat converts thawing, aluminium alloy is poured in ingot mould and cool down；Carry out broken and sampling Detection after cooling, be level Four product through analyzing product quality.
Embodiment 5
Mountain skin stone, garbage are processed, chooses mountain skin stone that granularity is 80mm and other garbages wear into powdery, and raw material is sampled chemical examination, it is ensured that its constituent content is up to standard；Through rational proportioning, when mineral hot furnace furnace temperature reaches 2200 °, keep melting time 40min,
After refining furnace interior-heat converts thawing, aluminium alloy is poured in ingot mould and cool down；Carry out broken and sampling Detection after cooling, be primes through analyzing product quality.
Sum up
By 5 groups of examples, the detailed description of the invention of the present invention is tested, skin stone and other garbage granularities of must coming out of retirement and taking up an official post 10-100mm, fire box temperature 1800 °-2300 °, the melting time reach 30min-60min time, draw optimum product.
Claims (9)
1. one kind utilizes mountain skin stone, dust-removing powder to produce multicomponent alloy, it is characterized in that it is made up of mountain skin stone, dust-removing powder, other waste residues, it is made at high temperature to sinter in bulk, form the primary raw material producing multicomponent alloy, then through assay, determine elemental composition, utilize the molten iron that mineral hot furnace generates, different materials heat in refining furnace is converted thawing, improves multicomponent alloy yield, comprehensive power consumption 4800-5100 degree.
2. according to utilizing various industrial waste residues, useless powder described in claim 1, being mixed and processed, silicone content ratio shared by its each component is respectively as follows: the mountain siliceous 48%-73% of skin stone；The siliceous 35%-60% of white residue；The siliceous 65%-80% of dust-removing powder；Other certain raw materials siliceous 20%, the above raw material all belongs to industrial residue, waste material.
3. utilize mountain skin stone, dedusting micropowder to produce multicomponent alloy according to one described in claim 1 or 2, it is characterised in that: described mountain skin stone, dust-removing powder, the particle diameter of silicon barium calcium slag are less than 100mm.
4. utilize mountain skin stone, dedusting micropowder to produce multicomponent alloy according to one described in claim 3, it is characterised in that: the particle diameter of described dedusting micropowder is less than 200 μm.
5. utilize mountain skin stone, dedusting micropowder to produce multicomponent alloy according to one described in claim 1 or 2, it is characterised in that: the particle diameter of described limestone is less than 0-3mm.
6. utilize mountain skin stone, dedusting micropowder to produce multicomponent alloy according to one described in claim 1 or 2, it is characterised in that: the particle diameter of gas coal is less than 3-8mm.
7. utilize mountain skin stone, dedusting micropowder to produce multicomponent alloy according to one described in claim 1 or 2, it is characterised in that the particle diameter of semi-coke powder is less than 0-2mm.
8. utilizing mountain skin stone, dedusting micropowder to produce multicomponent alloy according to one described in claim 1 or 2, percentage composition shared by various industrial waste residues, useless its each component of powder is respectively as follows: the mountain siliceous 48%-73% of skin stone；The siliceous 35%-50% of white residue；The siliceous 65%-80% of dust-removing powder；Other certain raw materials siliceous 45%.
9. the percentage composition of several proportioning raw materials such as mountain skin stone, dedusting micropowder, white residue.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111676370A (en) * | 2020-06-17 | 2020-09-18 | 宁夏科通新材料科技有限公司 | Process for producing high-silicon low-aluminum-silicon-calcium alloy by novel submerged arc furnace |
| CN112593103A (en) * | 2020-11-25 | 2021-04-02 | 石嘴山市宝马兴庆特种合金有限公司 | Method for preparing multi-element alloy by powder spraying technology |
| CN115029555A (en) * | 2022-06-14 | 2022-09-09 | 石嘴山市宝马兴庆特种合金有限公司 | Method for preparing ultra-low carbon silicon-based multi-component alloy by utilizing industrial solid waste production |
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| WO1994011540A1 (en) * | 1992-11-16 | 1994-05-26 | Meisei Kako Co., Ltd. | Process for producing alloy utilizing aluminum dross |
| CN1186521A (en) * | 1995-05-01 | 1998-07-01 | 阿拉巴马动力公司 | Production of foundry iron |
| CN101532068A (en) * | 2009-04-10 | 2009-09-16 | 泰州市振昌钢铁有限公司 | Blast furnace ironmaking production process by cyclically utilizing steel slag and iron slag in metallurgy and chemical industry |
| CN103695596A (en) * | 2013-12-05 | 2014-04-02 | 广西敏诚矿业有限公司 | Recycling method for producing silicomanganese alloy and medium and low carbon ferromanganese |
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- 2015-03-02 CN CN201510092145.3A patent/CN105986121A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1994011540A1 (en) * | 1992-11-16 | 1994-05-26 | Meisei Kako Co., Ltd. | Process for producing alloy utilizing aluminum dross |
| CN1186521A (en) * | 1995-05-01 | 1998-07-01 | 阿拉巴马动力公司 | Production of foundry iron |
| CN101532068A (en) * | 2009-04-10 | 2009-09-16 | 泰州市振昌钢铁有限公司 | Blast furnace ironmaking production process by cyclically utilizing steel slag and iron slag in metallurgy and chemical industry |
| CN103695596A (en) * | 2013-12-05 | 2014-04-02 | 广西敏诚矿业有限公司 | Recycling method for producing silicomanganese alloy and medium and low carbon ferromanganese |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111676370A (en) * | 2020-06-17 | 2020-09-18 | 宁夏科通新材料科技有限公司 | Process for producing high-silicon low-aluminum-silicon-calcium alloy by novel submerged arc furnace |
| CN112593103A (en) * | 2020-11-25 | 2021-04-02 | 石嘴山市宝马兴庆特种合金有限公司 | Method for preparing multi-element alloy by powder spraying technology |
| CN115029555A (en) * | 2022-06-14 | 2022-09-09 | 石嘴山市宝马兴庆特种合金有限公司 | Method for preparing ultra-low carbon silicon-based multi-component alloy by utilizing industrial solid waste production |
| CN115029555B (en) * | 2022-06-14 | 2023-12-29 | 石嘴山市宝马兴庆特种合金有限公司 | Method for preparing ultralow-carbon silicon-based multi-element alloy by utilizing industrial solid waste production |
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