CN103572086B - The production method of manganese-vanadium nitride multicomponent alloy - Google Patents
The production method of manganese-vanadium nitride multicomponent alloy Download PDFInfo
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Abstract
The invention discloses a kind of production method of manganese-vanadium nitride multicomponent alloy, step is: first by vanadium-containing compound and containing manganic compound grind respectively after 150 orders sieve, by 65-75 part vanadium-containing compound, 2-15 parts containing manganic compound, 2-4 part promotor, 10-25 part carbon compound, 0.1-5 parts of binding agents, 3-8 parts of water mixing and stirring; Compound carries out twice pressure ball molding, obtains the ball block of 4cm size, sends in the attached kiln of drying of 150-200 DEG C; The block material of drying and dehydrating process is sent in main kiln, first through calcining row volatile matter district calcining, flat-temperature zone constant temperature; Then send into nitrogenize district, nitrogenize district is filled with high pure nitrogen; Finally send into cooling zone; The material turnover main kiln time is 21-23 hours, comes out of the stove through screening to obtain product.Have the reaction times shorter, more thorough, power consumption is little, and impurity useless in product is few, and equipment cost is lower, and carbon content is stablized, the advantage that quality product is more stable.
Description
Technical field
The present invention relates to a kind of production method of alloy addition of Iron and Steel Production, particularly relate to a kind of production method of manganese-vanadium nitride multicomponent alloy additive.
Background technology
When producing vanadium micro-alloyed steel, because vanadium belongs to rare metal, in order to reduce the addition of vanadium, vanadium-containing alloy adds mainly with the form of alloy of vanadium nitride.At present, although the production method of VN alloy is a lot, and production has reached higher level all, and it all exists the problems such as production cost is high, quality is unstable, in order to improve the quality of products, reduce production cost, be badly in need of a kind of high-quality, the economic production method containing vanadium multicomponent alloy.
Such as: publication number is CN101003867A, in the Chinese patent of " a kind of preparation method of alloy of vanadium nitride " by name, this method be with in V205, NH4V03 of powdery or poly ammonium vanadate for raw material, mix with carbonaceous pulvis, being back to back by material prepares in stove, ammonia-nitrogen (NH3-N2) mixed gas that ammonia (NH3) gas or nitrogenous gas integration number are not more than 5% is passed into preparing stove, in 400-850 DEG C of reduction, carbonization and nitrogenize 4-10 hours, then be cooled to 50-150 DEG C preparing in stove, material is come out of the stove and is obtained powdery VN alloy product.Suppress after powder-like product and binding agent mix, be dried into block or pack with iron sheet and be compacted into block.Product nitrogen content is 13-18.5%, and carbon content is 2-9%, and content of vanadium is 77-81%.
Adopt the alloy of vanadium nitride production method of above technology certainly can use, but have the following disadvantages: need pass into ammonia or contain ammonia gas mixture, ammonia corrodibility is strong, and cost of equipment maintenance is high thus production cost is high; Carbon content is that 2-9% is stable not, and quality product is stable not, and its greatest carbon content value is higher, and it is unfavorable to produce follow-up vanadium micro-alloyed steel as vanadium alloy additive.
Summary of the invention
For overcoming the deficiencies in the prior art, the invention provides the production method of the manganese-vanadium nitride multicomponent alloy that a kind of production unit cost is lower, carbon content is stablized, quality product is more stable.
The present invention for the technical scheme reaching above-mentioned technical purpose and adopt is: the production method of manganese-vanadium nitride multicomponent alloy, and production process comprises the following steps:
A, first by vanadium-containing compound and containing manganic compound adopt Raymond machine to grind respectively after sieve, cross grit number be 150 orders; Obtain vanadium-containing compound powder and contain manganic compound powder;
B, be the vanadium-containing compound powder of 65-75 part by weight part, weight part be 2-15 parts be 3-8 parts containing manganic compound powder, the weight part accelerant powder that is 2-4 part, the weight part carbon compound powder that is 10-25 part, weight part be 0.1-5 parts binding agent, weight part water mixing and stirring obtains mixture;
C, mixture step B obtained utilize ball press to carry out twice pressure ball molding, obtain the ball block mixture that diameter is 4cm size;
D, by ball block mixture send into temperature be carry out drying and dehydrating process in the attached kiln of drying of 150-200 DEG C; E, send in main kiln by the block material that the dry processed of attached for drying kiln drying is crossed, first through calcining row volatile matter district, calcining row volatile matter district temperature controls to be 700-1100 DEG C; Send into flat-temperature zone again after calcining row volatile matter, flat-temperature zone temperature controls to be 1450-1500 DEG C; Then send into nitrogenize district, nitrogenize district temperature controls to be 1200-1300 DEG C, and nitrogenize district is filled with the high pure nitrogen that concentration of volume percent is 99.999%; Finally send into cooling zone, cooling zone temperature controls to be 80-100 DEG C; Block material is 21-23 hours from entering main kiln to the total time controling going out main kiln, and the block material after coming out of the stove obtains product through screening.
Described vanadium-containing compound is Vanadium Pentoxide in FLAKES, any one in vanadous oxide, vanadium tetraoxide, ammonium poly-vanadate, ammonium meta-vanadate five kinds or their wherein any mixtures being no less than two kinds.
Described is any one in soft manganese, manganous carbonate, manganese dioxide powder three kinds or their wherein any mixtures being no less than two kinds containing manganic compound.
Described promotor is any one in iron protocarbonate powder, high-purity iron powder, three kinds, vanadium metal powder or their wherein any mixtures being no less than two kinds.
Described carbon compound is crystalline graphite powder, any one in carbon black powder, wood charcoal powder, Graphite Electrodes carbon dust four kinds or their wherein any mixtures being no less than two kinds.
Described binding agent is Chinese bandoline wood tree powder, calcium lignin sulphonate, polyvinyl alcohol, any one in starch four kinds or their wherein any mixtures being no less than two kinds.
The calcining heating means in described main kiln calcining row volatile matter district are the heating of resistance alloy silk, heating unit leads to nitrogen protection.
The invention has the beneficial effects as follows: fire manganese-vanadium nitride multicomponent alloy as alloy addition owing to adding simultaneously containing manganic compound, the fusing point of manganic compound is lower than iron cpd, overall weight of material reduces, and the reaction between material is more thorough, and the reaction times is shorter, power consumption is little, reduce impurity useless in product, improve product production, the rate of recovery, due to the ammonia not adopting corrodibility strong, cost of equipment maintenance is low, and then can save production cost.The content of vanadium of the product finally obtained is 68%-78%, and Fe content is 0.5%-10%, and nitrogen content is 12%-17%, and carbon content is less than or equal to 5%.Quality is more stable, and the manganese added also is the element that must add during follow-up steel is produced more, and result of use is better.
Embodiment
Below in conjunction with specific embodiment, the invention will be further described.
1st kind of embodiment of the present invention
The production method of manganese-vanadium nitride multicomponent alloy, production process comprises the following steps:
A, first by vanadium-containing compound and containing manganic compound adopt Raymond machine to grind respectively after sieve, cross grit number be 150 orders; Obtain vanadium-containing compound powder and contain manganic compound powder;
B, to be vanadium-containing compound powder, the weight part of 65 parts by weight part be 2 parts be 3 parts containing manganic compound powder, the weight part accelerant powder that is 2 parts, the weight part carbon compound powder that is 10 parts, weight part be 0.1 part binding agent, weight part water mixing and stirring obtains mixture;
C, mixture step B obtained utilize ball press to carry out twice pressure ball molding, obtain the ball block mixture that diameter is 4cm size;
D, by ball block mixture send into temperature be carry out drying and dehydrating process in the attached kiln of drying of 150 DEG C;
E, send in main kiln by the block material that the dry processed of attached for drying kiln drying is crossed, first through calcining row volatile matter district, calcining row volatile matter district temperature controls to be 700 DEG C; Send into flat-temperature zone again after calcining row volatile matter, it is 1450 DEG C that flat-temperature zone temperature controls; Then send into nitrogenize district, it is 1200 DEG C that nitrogenize district temperature controls, and nitrogenize district is filled with the high pure nitrogen that concentration of volume percent is 99.999%; Finally send into cooling zone, it is 80 DEG C that cooling zone temperature controls; Block material is 21 hours from entering main kiln to the total time controling going out main kiln, and the block material after coming out of the stove obtains product through screening.
Described vanadium-containing compound is Vanadium Pentoxide in FLAKES, any one in vanadous oxide, vanadium tetraoxide, ammonium poly-vanadate, ammonium meta-vanadate five kinds or their wherein any mixtures being no less than two kinds.
Described is any one in soft manganese, manganous carbonate, manganese dioxide powder three kinds or their wherein any mixtures being no less than two kinds containing manganic compound.
Described promotor is any one in iron protocarbonate powder, high-purity iron powder, three kinds, vanadium metal powder or their wherein any mixtures being no less than two kinds.
Described carbon compound is crystalline graphite powder, any one in carbon black powder, wood charcoal powder, Graphite Electrodes carbon dust four kinds or their wherein any mixtures being no less than two kinds.
Described binding agent is Chinese bandoline wood tree powder, calcium lignin sulphonate, polyvinyl alcohol, any one in starch four kinds or their wherein any mixtures being no less than two kinds.
The calcining heating means in described main kiln calcining row volatile matter district are the heating of resistance alloy silk, heating unit leads to nitrogen protection.
2nd kind of embodiment of the present invention
The production method of manganese-vanadium nitride multicomponent alloy, production process comprises the following steps:
A, first by vanadium-containing compound and containing manganic compound adopt Raymond machine to grind respectively after sieve, cross grit number be 150 orders; Obtain vanadium-containing compound powder and contain manganic compound powder;
B, to be vanadium-containing compound powder, the weight part of 75 parts by weight part be 15 parts be 8 parts containing manganic compound powder, the weight part accelerant powder that is 4 parts, the weight part carbon compound powder that is 25 parts, weight part be 5 parts binding agent, weight part water mixing and stirring obtains mixture;
C, mixture step B obtained utilize ball press to carry out twice pressure ball molding, obtain the ball block mixture that diameter is 4cm size;
D, by ball block mixture send into temperature be carry out drying and dehydrating process in the attached kiln of drying of 200 DEG C;
E, send in main kiln by the block material that the dry processed of attached for drying kiln drying is crossed, first through calcining row volatile matter district, calcining row volatile matter district temperature controls to be 1100 DEG C; Send into flat-temperature zone again after calcining row volatile matter, it is 1500 DEG C that flat-temperature zone temperature controls; Then send into nitrogenize district, it is 1300 DEG C that nitrogenize district temperature controls, and nitrogenize district is filled with the high pure nitrogen that concentration of volume percent is 99.999%; Finally send into cooling zone, it is 100 DEG C that cooling zone temperature controls; Block material is 23 hours from entering main kiln to the total time controling going out main kiln, and the block material after coming out of the stove obtains product through screening.
Described vanadium-containing compound is Vanadium Pentoxide in FLAKES, any one in vanadous oxide, vanadium tetraoxide, ammonium poly-vanadate, ammonium meta-vanadate five kinds or their wherein any mixtures being no less than two kinds.
Described is any one in soft manganese, manganous carbonate, manganese dioxide powder three kinds or their wherein any mixtures being no less than two kinds containing manganic compound.
Described promotor is any one in iron protocarbonate powder, high-purity iron powder, three kinds, vanadium metal powder or their wherein any mixtures being no less than two kinds.
Described carbon compound is crystalline graphite powder, any one in carbon black powder, wood charcoal powder, Graphite Electrodes carbon dust four kinds or their wherein any mixtures being no less than two kinds.
Described binding agent is Chinese bandoline wood tree powder, calcium lignin sulphonate, polyvinyl alcohol, any one in starch four kinds or their wherein any mixtures being no less than two kinds.
The calcining heating means in described main kiln calcining row volatile matter district are the heating of resistance alloy silk, heating unit leads to nitrogen protection.
3rd kind of embodiment of the present invention
The production method of manganese-vanadium nitride multicomponent alloy, production process comprises the following steps:
A, first by vanadium-containing compound and containing manganic compound adopt Raymond machine to grind respectively after sieve, cross grit number be 150 orders; Obtain vanadium-containing compound powder and contain manganic compound powder;
B, to be vanadium-containing compound powder, the weight part of 70 parts by weight part be 8 parts be 5 parts containing manganic compound powder, the weight part accelerant powder that is 3 parts, the weight part carbon compound powder that is 17 parts, weight part be 3 parts binding agent, weight part water mixing and stirring obtains mixture;
C, mixture step B obtained utilize ball press to carry out twice pressure ball molding, obtain the ball block mixture that diameter is 4cm size;
D, by ball block mixture send into temperature be carry out drying and dehydrating process in the attached kiln of drying of 175 DEG C;
E, send in main kiln by the block material that the dry processed of attached for drying kiln drying is crossed, first through calcining row volatile matter district, calcining row volatile matter district temperature controls to be 900 DEG C; Send into flat-temperature zone again after calcining row volatile matter, it is 1475 DEG C that flat-temperature zone temperature controls; Then send into nitrogenize district, it is 1250 DEG C that nitrogenize district temperature controls, and nitrogenize district is filled with the high pure nitrogen that concentration of volume percent is 99.999%; Finally send into cooling zone, it is 90 DEG C that cooling zone temperature controls; Block material is 22 hours from entering main kiln to the total time controling going out main kiln, and the block material after coming out of the stove obtains product through screening.
Described vanadium-containing compound is Vanadium Pentoxide in FLAKES, any one in vanadous oxide, vanadium tetraoxide, ammonium poly-vanadate, ammonium meta-vanadate five kinds or their wherein any mixtures being no less than two kinds.
Described is any one in soft manganese, manganous carbonate, manganese dioxide powder three kinds or their wherein any mixtures being no less than two kinds containing manganic compound.
Described promotor is any one in iron protocarbonate powder, high-purity iron powder, three kinds, vanadium metal powder or their wherein any mixtures being no less than two kinds.
Described carbon compound is crystalline graphite powder, any one in carbon black powder, wood charcoal powder, Graphite Electrodes carbon dust four kinds or their wherein any mixtures being no less than two kinds.
Described binding agent is Chinese bandoline wood tree powder, calcium lignin sulphonate, polyvinyl alcohol, any one in starch four kinds or their wherein any mixtures being no less than two kinds.
The calcining heating means in described main kiln calcining row volatile matter district are the heating of resistance alloy silk, heating unit leads to nitrogen protection.
The present invention adds simultaneously and fires manganese-vanadium nitride multicomponent alloy as alloy addition containing manganic compound, the fusing point of manganic compound is lower than iron cpd, overall weight of material is reduced, reaction between material is more thorough, reaction times is shorter, can reduce power consumption, reduces impurity useless in product, improve product production, the rate of recovery, reduce energy consumption and then can production cost be saved.The content of vanadium of the product finally obtained is 68%-78%, and Fe content is 0.5%-10%, and nitrogen content is 12%-17%, and carbon content is less than or equal to 5%.Quality is more stable, the manganese of many interpolations is also the element that must add during follow-up steel is produced, employing binding agent is Chinese bandoline wood tree powder, calcium lignin sulphonate, polyvinyl alcohol, starch make binding agent and can join carbon less, reduce material moisture, strengthen granulation intensity, product structure is not well ftractureed, improves conforming product rate and apparent brightness.
Claims (7)
1. the production method of manganese-vanadium nitride multicomponent alloy, is characterized in that: production process comprises the following steps:
A, first by vanadium-containing compound and containing manganic compound adopt Raymond machine to grind respectively after sieve, cross grit number be 150 orders; Obtain vanadium-containing compound powder and contain manganic compound powder;
B, be the vanadium-containing compound powder of 65-75 part by weight part, weight part be 2-15 part containing manganic compound powder, the weight part accelerant powder that is 2-4 part, the weight part carbonaceous powder that is 10-25 part, weight part be the binding agent of 0.1-5 part, weight part is that the water mixing and stirring of 3-8 part obtains mixture;
C, mixture step B obtained utilize ball press to carry out twice pressure ball molding, obtain the ball block mixture that diameter is 4cm size;
D, by ball block mixture send into temperature be carry out drying and dehydrating process in the attached kiln of drying of 150-200 DEG C;
E, send in main kiln by the block material that the dry processed of attached for drying kiln drying is crossed, first through calcining row volatile matter district, calcining row volatile matter district temperature controls as 700-1100 DEG C; Send into flat-temperature zone again after calcining row volatile matter, flat-temperature zone temperature controls as 1450-1500 DEG C; Then send into nitrogenize district, nitrogenize district temperature controls as 1200-1300 DEG C, and nitrogenize district is filled with the high pure nitrogen that concentration of volume percent is 99.999%; Finally send into cooling zone, cooling zone temperature controls as 80-100 DEG C; Block material is 21-23 hour from entering main kiln to the total time controling going out main kiln, and the block material after coming out of the stove obtains product through screening.
2. the production method of manganese-vanadium nitride multicomponent alloy according to claim 1, is characterized in that: described vanadium-containing compound is Vanadium Pentoxide in FLAKES, any one in vanadous oxide, vanadium tetraoxide, ammonium poly-vanadate, ammonium meta-vanadate five kinds or their wherein any mixtures being no less than two kinds.
3. the production method of manganese-vanadium nitride multicomponent alloy according to claim 1, is characterized in that: described is any one in soft manganese, manganous carbonate, manganese dioxide powder three kinds or their wherein any mixtures being no less than two kinds containing manganic compound.
4. the production method of manganese-vanadium nitride multicomponent alloy according to claim 1, is characterized in that: described promotor is any one in iron protocarbonate powder, high-purity iron powder, three kinds, vanadium metal powder or their wherein any mixtures being no less than two kinds.
5. the production method of manganese-vanadium nitride multicomponent alloy according to claim 1, is characterized in that: described carbonaceous powder is crystalline graphite powder, any one in carbon black powder, wood charcoal powder, Graphite Electrodes carbon dust four kinds or their wherein any mixtures being no less than two kinds.
6. the production method of manganese-vanadium nitride multicomponent alloy according to claim 1, is characterized in that: described binding agent is Chinese bandoline wood tree powder, calcium lignin sulphonate, polyvinyl alcohol, any one in starch four kinds or their wherein any mixtures being no less than two kinds.
7. the production method of manganese-vanadium nitride multicomponent alloy according to claim 1, is characterized in that: the calcining heating means in described main kiln calcining row volatile matter district are the heating of resistance alloy silk, heating unit leads to nitrogen protection.
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| CN104018056A (en) * | 2014-05-15 | 2014-09-03 | 福建新航凯材料科技有限公司 | Preparation method of nitrided ferrovanadium with high quality and low cost |
| CN103981425B (en) * | 2014-05-30 | 2016-08-17 | 长沙东鑫环保材料有限责任公司 | A kind of silicon titanium aluminium nitride material, its preparation method and application |
| CN104060116A (en) * | 2014-07-01 | 2014-09-24 | 福建新航凯材料科技有限公司 | Preparing method for vanadium nitride silicomanganese alloy |
| CN104894455B (en) * | 2015-05-18 | 2017-04-12 | 河北钢铁股份有限公司承德分公司 | Manganese vanadium iron nitride and production method thereof |
| CN110408832B (en) * | 2019-08-30 | 2021-08-10 | 攀钢集团攀枝花钢铁研究院有限公司 | Nitrogen-rich manganese vanadium-based material and preparation method thereof |
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