CN1922335A - Briquette as steelmaking raw material and process for producing the same - Google Patents
Briquette as steelmaking raw material and process for producing the same Download PDFInfo
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- CN1922335A CN1922335A CNA2005800056275A CN200580005627A CN1922335A CN 1922335 A CN1922335 A CN 1922335A CN A2005800056275 A CNA2005800056275 A CN A2005800056275A CN 200580005627 A CN200580005627 A CN 200580005627A CN 1922335 A CN1922335 A CN 1922335A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
A briquette for use as steelmaking material and a method of manufacturing the same, capable of effective reusing of the shot waste. After dropping a solidification assistant into shot waste consisting of powder metal containing iron powder and shot beads, the shot waste is compression molded. The compression molded shot waste is dried. Alternatively, the shot waste is admixed with cutting sludge containing ferrous-metal cutting residue particles and a cutting fluid containing oil and water, thereby forming cotton-like agglomerations. The cotton-like agglomerations are compression molded, thereby forming a brittle compact, which has the fibrous cutting sludge roughly sheared and which is removed of excessive water and oil. The brittle compact is impregnated with the solidification assistant, solidified and dried.
Description
Technical field
The present invention relates to briquette as steelmaking raw material and manufacture method thereof, particularly relate to the technology that effectively utilizes the shot waste that produces when ferrous metal carried out shot peening.
Background technology
In the shot waste that when ferrous metal is carried out shot peening, is produced, generally contain ferrous metal powder and used shot-peening pearl (steel ball) about 75～95 weight %.Therefore, aforementioned shot waste can be used as steelmaking feed becomes effective resource.But this shot waste easily takes place on fire or splashes.Have again, owing to contain a large amount of shot-peening pearls, so be difficult to be cured by compression molding etc.Therefore, be not easy to operations such as carrying, storage, and be technically or all be unfavorable on the cost it is utilized again.So practical situation are that shot waste is as trade waste and buried processing.
Yet it is not preferred from the viewpoint of resources effective utilization that such shot waste is buried processing.Have again, exist to cause environmental degradation and obsolescence cost problem of higher.
Summary of the invention
The present invention forms in view of problem point, and its objective is provides briquette as steelmaking raw material and the manufacture method thereof that can utilize shot waste effectively again.
In order to reach aforementioned purpose, briquette as steelmaking raw material of the present invention is a kind of ferrous metal and dry briquetting of containing, and it is with the curing auxiliary shot waste that contains ferrous metal powder and a large amount of shot-peening pearl to be cured to form.
Because so the briquette as steelmaking raw material that constitutes adopts and solidifies auxiliary shot waste is cured, so can give play to suitable physical strength, be easy to carry, operation such as storage.And, because its solid matter that is dry, so, also can not produce bumping or dance in the air the danger of discharge even intactly put into blast furnace.And, owing to contain the shot waste that a large amount of pure iron by more than or equal to 90 weight % forms, can reduce the usage quantity of the reductive agent when making steel.Therefore, shot waste be can be used as high-quality steelmaking feed utilize again, not only be of value to environment protection, and can reduce the obsolescence cost of shot waste.
Aforementioned shot waste preferably mutually combines by the ferrous metal powder of the aforementioned curing auxiliary that infiltrated.Thus, be difficult to bonded shot-peening pearl each other can be easily and combination securely in the past.
The briquetting of aforementioned steel-making usefulness preferably contains the aforementioned curing auxiliary of 0.5～5 weight %.Thus, when can guarantee the quality as steelmaking feed, can solidify shot waste easily and securely by aforementioned compression molding.
Aforementioned briquette as steelmaking raw material can also contain the grinding smear metal and the oil content of ferrous metal.Under this occasion, can prevent the oxidation of the pure iron in the briquetting by aforementioned oil content.So, grinding smear metal and shot waste can be utilized as high-quality steelmaking feed again.
The briquette as steelmaking raw material that contains aforementioned oil content preferably contains the shot waste of 5～25 weight %.Thus, can guarantee the bulk density and the physical strength of appropriateness.That is, if shot waste less than 5 weight %, then since bulk density diminish, so, the danger that briquetting can not fall smoothly when this blast furnace drops into might occur according to the difference of the form of blast furnace.Have, if shot waste surpasses 25 weight %, then when shot waste took place to concentrate, briquetting was easy to partly begin to break from this shot waste of concentrating again.
In containing the briquette as steelmaking raw material of aforementioned oil content, as aforementioned shot waste steel shot-peening pearl preferably.Because the content of ferric oxide is less in the case, so more suitable as the raw material of steel-making usefulness.That is, shot waste generally contains the shot-peening pearl and the coccoid of steel, and aforementioned shot-peening pearl contains the pure iron more than or equal to 90 weight %, and coccoid contains the oxidized iron powder of 60～65 weight %.So the content of the aforementioned coccoid in the briquetting is many more, the content of ferric oxide is just many more.Therefore, the time need increase the usage quantity of reductive agent in steel-making, thus be unfavorable for reducing cost, still, and if adopt the shot-peening pearl of having removed aforementioned coccoid as shot waste, the then content of the ferric oxide in briquetting minimizing, usage quantity that can corresponding minimizing reductive agent.
As aforementioned curing auxiliary preferably from water glass, colloidal silica, aluminum phosphate, asphalt emulsion, select at least a.Thus, can be easily and solidify shot waste and grinding smear metal etc. securely.
The manufacture method of first briquette as steelmaking raw material that the present invention relates to comprises: add the operation of solidifying auxiliary in the shot waste that contains ferrous metal powder and shot-peening pearl; The shot waste of having added aforementioned curing auxiliary is carried out the operation of compression molding; To compression molding shot waste carry out the exsiccant operation.
According to the manufacture method of aforementioned first briquette as steelmaking raw material,, the curing auxiliary that adds in this shot waste is impregnated in the most shot waste by aforementioned shot waste is carried out compression molding.Therefore, no matter whether contain a large amount of shot-peening pearls, can pass through this compression molding, shot waste is cured to desirable strength.So, can be easily and make briquette as steelmaking raw material at an easy rate.
The manufacture method of aforementioned first briquetting, shot waste is carried out the operation of compression molding and to compression molding shot waste carry out between the exsiccant operation, can also be included in this shot waste the operation that auxiliary is solidified in infiltration.Under this occasion, can obtain the stronger briquetting of physical strength.
The manufacture method of second briquette as steelmaking raw material that the present invention relates to comprises successively: shot waste is mixed into the grinding smear metal that contains ferrous metal and have oil content and the grinding mud of the grinding fluid of moisture content in, and obtain the operation of continuous shape agglomeration; Aforementioned continuous shape agglomeration is carried out compression molding, and obtain that fibrous grinding smear metal is cut off and the operation of the brittle molded body of the regulation shape that remaining moisture content and oil content have been removed; The operation of auxiliary is solidified in infiltration in aforementioned brittle molded body; The aforementioned brittle molded body of solidifying auxiliary is carried out the exsiccant operation to having infiltrated.
According to the manufacture method of aforementioned second briquette as steelmaking raw material,, the fibrous grinding smear metal that in the past was difficult to cut off is tentatively cut off, and can easily it be cured with shot waste by aforementioned continuous shape agglomeration is carried out compression molding.Have again,, only this fragility agglomeration is carried out compression molding and just can be solidified into desirable strength, therefore needn't it be pulverized in order to solidify continuous shape agglomeration by the curing auxiliary that in brittle molded body, infiltrates.Thereby, can be easily and make briquette as steelmaking raw material at an easy rate.
In the manufacture method of aforementioned second briquetting, preferably mix the aforementioned shot waste of 10～30 weight %.If the shot waste less than 10 weight % in the continuous shape agglomeration then are difficult to obtain the big briquetting of bulk density.Have again, if the shot waste in the continuous shape agglomeration surpasses 30 weight %, then be difficult to it is solidified, and under the occasion that takes place to concentrate in shot waste, briquetting partly begins to break from the shot waste that this is concentrated easily.
In the manufacture method of aforementioned second briquetting, preferably adopt the shot-peening pearl of steel as shot waste.Under this occasion, the content of ferric oxide reduces, so can obtain being more suitable for as the briquetting of steel-making with raw material.
Aforementioned first and the manufacture method of second briquetting in, as solidifying auxiliary, preferably adopt from water glass, colloidal silica, aluminum phosphate, asphalt emulsion, select at least a.Thus, can be cured more easily and securely shot waste.Particularly, in the manufacture method of second briquetting, can be easily and solidify the brittle molded body that contains oil content securely.
Description of drawings
Fig. 1 is the process picture sheet of the manufacture method of the briquette as steelmaking raw material that relates to of expression first embodiment of the invention.
Fig. 2 is the process picture sheet of the manufacture method of the briquette as steelmaking raw material that relates to of expression second embodiment of the invention.
Fig. 3 is the stereographic map of the partial cut of briquetting.
Fig. 4 is the process picture sheet of the manufacture method of the briquette as steelmaking raw material that relates to of expression third embodiment of the invention.
Embodiment
Below, with reference to accompanying drawing, embodiments of the present invention are described in detail.
Fig. 1 is the process picture sheet of the manufacture method of the briquette as steelmaking raw material that relates to of expression first embodiment of the invention.In the manufacturing of this briquetting A, at first, in the time of the shot waste S (with reference to Fig. 1 (a)) that produces when ferrous metal being implemented shot peening, this shot waste S is dripped curing auxiliary D (with reference to Fig. 1 (b)) aqueous by endless belt conveyor 1 carrying.
Aforementioned shot waste S contains the croci of 60～65 weight % by become the waste residue of forming less than the many used shot-peening pearl B of regulation particle diameter and the metal-powder C of iron class etc. by shot peening in the aforementioned metal powder.As aforementioned curing auxiliary D, adopt 100% solution of water glass.
Next, use shaping dies 3 will be added with the shot waste S compression molding (Fig. 1 (c), (d)) of aforementioned curing auxiliary D by extruding.By this compression molding, the curing auxiliary D that adds among the shot waste S is impregnated among most this shot waste S.Thus, can make and solidify auxiliary D and be impregnated into equably among the metal-powder C, and make it equably on the surface attached to shot-peening pearl B.
Next, carry out for example maintenance about two days (drying) (with reference to Fig. 1 (e)), this curing auxiliary D is solidified, and obtain briquette as steelmaking raw material A (with reference to Fig. 1 (f)) by the shot waste S that infiltration is had aforementioned curing auxiliary D.In addition, when aforementioned maintenance, also can be blown into normal temperature or cooled air with its quick cooling.
The briquetting A of the porous matter that thus, can obtain dry.This briquetting A preferably contains the shot waste S of 95～99.5 weight % and the curing auxiliary D of 0.5～5.0 weight %, thus, can guarantee the quality as steelmaking feed, and solidify shot waste S easily and securely.That is, if solidify auxiliary D less than 0.5 weight %, then the briquetting physical strength a little less than, carry and other operations the time become and to be easy to breakage, if surpass 5.0 weight %, then correspondingly the content of ferrous metal reduces, and will decrease as the quality of steelmaking feed.
The briquetting A that obtains thus is the material of porous matter that shot waste S has been solidified, so can be easily and remove the moisture content that contains reliably by maintenance.Therefore, even intactly put into the danger that blast furnace can not produce bumping yet or dance in the air discharge.Have again, owing to be adopt to solidify the material that auxiliary D has solidified shot waste S, so can give play to suitable physical strength, easy handling in carrying, storage etc.Particularly, by aforementioned compression molding curing auxiliary D is soaked among most this shot waste S, so a large amount of shot-peening pearl B among the shot waste S are mutually combined.Therefore, shot waste S can be solidified securely.And, owing to have the shot-peening pearl B that contains in a large number more than or equal to the pure iron of 90 weight %, can reduce the usage quantity of reductive agent when making steel.Thereby, shot waste S can be utilized as high-quality steelmaking feed again.
Fig. 2 is the process picture sheet of the manufacture method of the briquette as steelmaking raw material that relates to of expression second embodiment of the invention.This embodiment and embodiment difference shown in Figure 1 are: carry out between the exsiccant operation in the operation of shot waste S being carried out compression molding with to the shot waste S of compression molding, having appended in this shot waste S the operation that auxiliary D is solidified in infiltration once more.
The infiltration of this curing auxiliary D is by for example being compressed the shot waste S of shaping by endless belt conveyor 7 carryings on one side, Yi Bian make it be immersed in (with reference to Fig. 2 (d)) that carries out among the aforementioned curing auxiliary D that is injected in the groove 8.Adopted the material that dilutes water glass by water as the curing auxiliary D that is injected in the aforementioned grooves 8, thus, can guarantee to solidify the impregnability of auxiliary D preferably for the shot waste S that is compressed shaping.According to this embodiment, can further improve the physical strength of briquetting A.
In addition, even in the first embodiment, also can adopt the material that dilutes water glass by water as solidifying auxiliary D.At this moment, in compression molding, this curing auxiliary D is impregnated among the shot waste S more easily and effectively.
Have again, in aforementioned any embodiment, can adopt from water glass, colloidal silica, aluminum phosphate, select at least a as solidifying auxiliary D, wherein a kind of arbitrarily can be easily and solidify shot waste S securely.
Shape as aforementioned briquetting A, also can be egg type, almond shape, rugby shape outside the cylindrical shape as shown in Figure 1 etc., promptly edge part has circle around, and thickness from surrounding edge portion to the central part roughly pillow shape (with reference to Fig. 3) of thickening gradually.By forming such shape, can obtain the compressive load tolerance is difficult for by force damaging by pressure, and be difficult for produce the briquetting A of the local damage in bight etc.
Fig. 4 is the process picture sheet of the manufacture method of the briquette as steelmaking raw material that relates to of expression third embodiment of the invention.In the manufacturing of this briquetting A, at first, in the time of the grinding mud E (with reference to Fig. 4 (a)) that produces during with endless belt conveyor 1 carrying ground finish ferrous metal, shot waste S is dropped on this grinding mud E, and obtain being mixed with the continuous shape agglomeration M (with reference to Fig. 4 (b)) of this shot waste S.Aforementioned grinding mud E is the material that contains the continuous shape of grinding smear metal and grinding fluid.Have, shot waste S is the material that produces when ferrous metal is implemented shot peening again, and is by becoming less than the used shot-peening pearl B of regulation particle diameter by shot peening and containing the material that the oxidized coccoid of 60～65 weight % constitutes.The combined amount of this shot waste S is 10～30 weight %.If the shot waste S less than 10 weight % among the continuous shape agglomeration M then are difficult to obtain the big briquetting A of bulk density.Have, if the shot waste S among the continuous shape agglomeration M surpasses 30 weight %, then solidify the difficulty that becomes in subsequent handling, and at shot waste S concentrated occasion takes place, briquetting A begins to break from the part that this shot waste S concentrates easily.
Next, the aforementioned continuous shape agglomeration M of pressurization compression, preparation property ground adjustment grinding mud E contained as the moisture content of grinding fluid composition and the content of oil content.The pressurization compression of this silk floss shape agglomeration M is (with reference to Fig. 4 (b)) that is for example undertaken by clamping between near a pair of roller 2 the carrying end that is arranged on aforementioned endless belt conveyor 1.At this moment, preferably continuous shape agglomeration M is adjusted to: water ratio is in the scope that is no more than 50 weight %, and oil length is in the scope that is no more than 10 weight %.Thus, operations such as the carrying of continuous shape agglomeration M, storage become easy.
Further, the aforementioned continuous shape agglomeration M compression molding of using shaping dies 3 will adjust the amount of moisture content and oil content by extruding obtains brittle molded body F (with reference to Fig. 4 (c)).By this compression molding, the grinding smear metal of the spiral fiber shape that grinding mud E is contained is tentatively cut off.Remaining moisture content and oil content are removed, and made the water ratio of aforementioned brittle molded body F be adjusted at 2～12 weight %, oil length is adjusted at the scope of 1～5 weight %.Thus, can prevent grinding smear metal oxidation effectively by minimal residual oil content.In aforementioned operation, water ratio with grinding mud E is adjusted at the scope that is no more than 50 weight % in advance, and oil length is adjusted at the scope that is no more than 10 weight %, therefore can be only by compression molding, it is proportional to adjust containing of the moisture content of aforementioned brittle molded body F and oil content easily and suitably.
The shape of easy handlings such as that aforementioned brittle molded body F forms is cylindrical, spherical, corner post shape, and be cured in when subsequent processing is carried etc. can impaired intensity under the situation.
Next, the liquid curing auxiliary D of infiltration in aforementioned brittle molded body F.The infiltration of this curing auxiliary D is by for example carrying brittle molded body F with endless belt conveyor 7 on one side, Yi Bian it is immersed among the aforementioned curing auxiliary D that is injected in the groove 8 (with reference to Fig. 4 (d)).Solidify auxiliary D as this, preferably adopt from water glass, colloidal silica, aluminum phosphate, select at least a.In this embodiment, mainly adopt water glass.Preferably make this curing auxiliary D of its infiltration 2～30 weight %.Thus, can be easily and solidification brittleness molding F securely.And, as aforementioned curing auxiliary D, also can adopt organic binder bonds such as vinyl acetate between to for plastic.
Next, carry out maintenance (drying) by the brittle molded body F (with reference to Fig. 4 (e)) that infiltration is had aforementioned curing auxiliary D and remove it and contain moisture content (with reference to Fig. 4 (f)), obtain briquette as steelmaking raw material A (with reference to Fig. 4 (g)).This maintenance is preferably carried out about two days, thereby can positively remove the moisture content that is contained.When carrying out aforementioned maintenance, can be blown into normal temperature or cooled air with its quick cooling.
Thus, can obtain containing grinding smear metal E, iron part and the oil content of shot waste S, ferrous metal and dry briquetting A.The briquetting A that obtains like this contains the shot waste S of 5～25 weight %.
Aforementioned briquetting A is the porous material that brittle molded body F has been solidified, can be easily and positively remove the moisture content that is contained by maintenance.Therefore, even intactly drop into the danger that blast furnace bumping can not take place yet or dances in the air discharge.
The content of shot waste S among the briquetting A is 5～25 weight %, therefore becomes the material with suitable bulk density and physical strength.That is,, require it when blast furnace drops into, not dancing in the air and successfully falling for briquette as steelmaking raw material A.Therefore, sometimes according to the kind of blast furnace, require bulk density, and if the shot waste less than 5 weight % among the briquetting A then might can not satisfy this requirement more than or equal to 0.2.In addition, if the shot waste among the briquetting A surpasses 25 weight %, then the shot waste in briquetting A produces under the situation about concentrating, and this briquetting A partly begins to break from shot waste easily.
Further, in the manufacture method of aforementioned briquetting A, usually be under the state of the oil content of retaining part grinding fluid, to process, so can prevent the oxidation of pure iron effectively.For example, the briquetting A that adopts the grinding mud E of the grinding smear metal contain bearing steel (SUJ-2) the to make situation that contains the pure iron of 60～90 weight % is proved.Thereby the fusion yield rate is very high more than or equal to 80%, can be used as high-quality steelmaking feed and offers steel-making manufacturer with compensation.And, because it is a solid, therefore be easy to carrying and other operations.
And aforementioned manufacture method does not need to pulverize the operation with the continuous shape agglomeration of miniaturization M, just can solidify this silk floss shape agglomeration M, so can make briquetting A expeditiously.
The manufacture method of aforementioned briquetting A is particularly suitable for containing the utilization again more than or equal to the grinding smear metal of the carbon of 0.2 weight %.Such grinding smear metal sprung back is very big, solidifies difficulty.By being suitable for manufacture method of the present invention, can get rid of this sprung back's influence, the briquetting A that has been solidified securely easily.In addition, as the representation example that contains more than or equal to the grinding smear metal of the carbon of 0.2 weight %, the grinding smear metal that can enumerate bearing steel.
In aforementioned embodiments,, also can use and screen the material of having removed aforementioned coccoid and the shot-peening pearl only being arranged though adopted the coccoid that has used shot-peening pearl and contain oxidized iron powder as shot waste S.Under this occasion, the content of the ferric oxide among the briquetting A reduces, so can correspondingly reduce the usage quantity of reductive agent when making steel.Therefore, be more suitable for raw material as use as steelmaking material.
In aforementioned the 3rd embodiment, as the shape of briquetting A, except that aforementioned cylindrical shape, also can be egg type, almond shape, rugby shape etc. be circular at circumference, thickness from circumference to the central part roughly pillow shape (with reference to Fig. 3) of thickening gradually.
Have again, aforementioned briquetting A also can be fine dusts (collected dust) material that will be mixed with in shot waste S by steel-making such as electric furnace and open hearth the time or produce when the metals such as refined matte, lead, oxidation one-tin brass etc., by solidifying the material that auxiliary D has solidified.
Claims (13)
1. briquette as steelmaking raw material, it is to contain ferrous metal and dry briquetting, it is characterized in that, with the curing auxiliary shot waste that contains ferrous metal powder and a large amount of shot-peening pearl is cured to form.
2. briquette as steelmaking raw material according to claim 1 is characterized in that, aforementioned shot-peening pearl mutually combines by the ferrous metal powder of the aforementioned curing auxiliary that infiltrated.
3. briquette as steelmaking raw material according to claim 1 is characterized in that, contains the aforementioned curing auxiliary of 0.5～5 weight %.
4. briquette as steelmaking raw material according to claim 1 is characterized in that, also contains the grinding smear metal and the oil content of ferrous metal.
5. briquette as steelmaking raw material according to claim 4 is characterized in that, contains the aforementioned shot waste of 5～25 weight %.
6. briquette as steelmaking raw material according to claim 4 is characterized in that, aforementioned shot waste is the shot-peening pearl of steel.
7. according to claim 1 or 4 described briquette as steelmaking raw material, it is characterized in that aforementioned curing auxiliary is select at least a from water glass, colloidal silica, aluminum phosphate, asphalt emulsion.
8. the manufacture method of a briquette as steelmaking raw material is characterized in that, comprising:
In the shot waste that contains ferrous metal powder and shot-peening pearl, add the operation of solidifying auxiliary;
The shot waste of having added aforementioned curing auxiliary is carried out the operation of compression molding;
To compression molding shot waste carry out the exsiccant operation.
9. the manufacture method of briquette as steelmaking raw material according to claim 8, it is characterized in that, aforementioned shot waste is carried out the operation of compression molding and to compression molding shot waste carry out between the exsiccant operation, also being included in this shot waste the operation that auxiliary is solidified in infiltration.
10. the manufacture method of a briquette as steelmaking raw material is characterized in that, comprises successively:
Shot waste is mixed into the grinding smear metal that contains ferrous metal and have oil content and the grinding mud of the grinding fluid of moisture content in, and obtain the operation of continuous shape agglomeration;
Aforementioned continuous shape agglomeration is carried out compression molding, and obtain that fibrous grinding smear metal is cut off and the operation of the brittle molded body of the regulation shape that remaining moisture content and oil content have been removed;
The operation of auxiliary is solidified in infiltration in aforementioned brittle molded body;
The aforementioned brittle molded body of solidifying auxiliary is carried out the exsiccant operation to having infiltrated.
11. the manufacture method of briquette as steelmaking raw material according to claim 10 is characterized in that, mixes the aforementioned shot waste of 10～30 weight %.
12. the manufacture method of briquette as steelmaking raw material according to claim 10 is characterized in that, aforementioned shot waste is the shot-peening pearl of steel.
13. according to Claim 8 or the manufacture method of 10 described briquette as steelmaking raw material, it is characterized in that,, adopt from water glass, colloidal silica, aluminum phosphate, asphalt emulsion, select at least a as aforementioned curing auxiliary.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP050197/2004 | 2004-02-25 | ||
| JP2004050197A JP2005240087A (en) | 2004-02-25 | 2004-02-25 | Briquette for raw material for steelmaking and method for manufacturing the same |
| JP067428/2004 | 2004-03-10 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1922335A true CN1922335A (en) | 2007-02-28 |
| CN100537795C CN100537795C (en) | 2009-09-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005800056275A Expired - Fee Related CN100537795C (en) | 2004-02-25 | 2005-02-25 | Briquette as steelmaking raw material and manufacture method thereof |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2005240087A (en) |
| CN (1) | CN100537795C (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102389890A (en) * | 2011-08-09 | 2012-03-28 | 奥达科金属制品(上海)有限公司 | Method for treating industrial solid waste |
| CN101939449B (en) * | 2008-02-07 | 2013-03-20 | 新东工业株式会社 | Metallic briquette manufacturing method |
| CN105033245A (en) * | 2015-08-13 | 2015-11-11 | 北京神雾环境能源科技集团股份有限公司 | Briquetting method for water-containing iron powder |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100943929B1 (en) | 2007-09-10 | 2010-02-24 | 이종갑 | Method for making briquette using sludge |
| CN114317955B (en) * | 2021-12-29 | 2024-01-19 | 马鞍山钢铁股份有限公司 | Recycling process of roller grinding mud |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001089818A (en) * | 1999-09-22 | 2001-04-03 | Musashi Seimitsu Ind Co Ltd | Method for treating pulverized waste metal |
| JP2001214222A (en) * | 2000-01-31 | 2001-08-07 | Oji Cornstarch Co Ltd | Steel-making dust agglomerate and its manufacturing method |
| JP3711046B2 (en) * | 2000-08-10 | 2005-10-26 | 光洋精工株式会社 | Manufacturing method of briquette for steelmaking raw material |
| JP3789796B2 (en) * | 2000-10-02 | 2006-06-28 | 株式会社ジェイテクト | Iron-based powder material and manufacturing method thereof |
| JP3774652B2 (en) * | 2000-10-02 | 2006-05-17 | 株式会社ジェイテクト | Powder for solid material and method for producing the same |
| JP3746978B2 (en) * | 2000-10-11 | 2006-02-22 | 光洋精工株式会社 | Manufacturing method of briquette for steelmaking raw material |
| JP2002241854A (en) * | 2001-02-20 | 2002-08-28 | Honda Motor Co Ltd | Method for manufacturing briquette by utilizing grinding-wheel swarf |
| JP3709375B2 (en) * | 2002-01-31 | 2005-10-26 | 光洋精工株式会社 | Briquette manufacturing method |
-
2004
- 2004-02-25 JP JP2004050197A patent/JP2005240087A/en active Pending
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2005
- 2005-02-25 CN CNB2005800056275A patent/CN100537795C/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101939449B (en) * | 2008-02-07 | 2013-03-20 | 新东工业株式会社 | Metallic briquette manufacturing method |
| CN102389890A (en) * | 2011-08-09 | 2012-03-28 | 奥达科金属制品(上海)有限公司 | Method for treating industrial solid waste |
| CN102389890B (en) * | 2011-08-09 | 2015-07-01 | 上海奥达科股份有限公司 | Method for treating industrial solid waste |
| CN105033245A (en) * | 2015-08-13 | 2015-11-11 | 北京神雾环境能源科技集团股份有限公司 | Briquetting method for water-containing iron powder |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100537795C (en) | 2009-09-09 |
| JP2005240087A (en) | 2005-09-08 |
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