CN109092843A - A kind of metal smelt system and method for recycling waste - Google Patents

A kind of metal smelt system and method for recycling waste Download PDF

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Publication number
CN109092843A
CN109092843A CN201810638756.7A CN201810638756A CN109092843A CN 109092843 A CN109092843 A CN 109092843A CN 201810638756 A CN201810638756 A CN 201810638756A CN 109092843 A CN109092843 A CN 109092843A
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CN
China
Prior art keywords
fragment
fixedly connected
waste
iron
magnetic separation
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201810638756.7A
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Chinese (zh)
Inventor
高雄
高益
冯广智
毛祖永
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XICHANG HONGXIN INDUSTRIAL Co Ltd
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XICHANG HONGXIN INDUSTRIAL Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by XICHANG HONGXIN INDUSTRIAL Co Ltd filed Critical XICHANG HONGXIN INDUSTRIAL Co Ltd
Priority to CN201810638756.7A priority Critical patent/CN109092843A/en
Publication of CN109092843A publication Critical patent/CN109092843A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B09DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09BDISPOSAL OF SOLID WASTE
    • B09B3/00Destroying solid waste or transforming solid waste into something useful or harmless
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B09DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09BDISPOSAL OF SOLID WASTE
    • B09B5/00Operations not covered by a single other subclass or by a single other group in this subclass
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21BMANUFACTURE OF IRON OR STEEL
    • C21B11/00Making pig-iron other than in blast furnaces
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B1/00Preliminary treatment of ores or scrap
    • C22B1/005Preliminary treatment of scrap
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21BMANUFACTURE OF IRON OR STEEL
    • C21B2200/00Recycling of non-gaseous waste material
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00Technologies related to metal processing
    • Y02P10/20Recycling

Abstract

The invention discloses a kind of metal smelt systems of recycling waste, including crushing system, magnetic separation system, cleaning system, pre-heating system, cutting system, briquetting system and smelting device, the crushing system includes crusher, the inside of the crusher is equipped with crushing device, for being crushed to the biggish waste of volume, become fragment, the discharge end of the crushing system is connected with the feed end of magnetic separation system, the magnetic separation system includes adjustment device and concentration equipment, fragment can be uniformly laid on concentration equipment by the adjustment device, convenient for the screening of concentration equipment;The cleaning system is the ultrasonic cleaning equipment of 11 slots, is equipped with degreasing bath, potcher, slow kerve and Feng Qie mechanism in ultrasonic cleaning equipment.The present invention can filter out the ferrous contaminants in waste, and after going deimpurity processing, be smelted by iron-smelting furnace, and the cyclic utilization rate of waste is improved.

Description

A kind of metal smelt system and method for recycling waste
Technical field
The present invention relates to recycling waste technical field more particularly to a kind of metal smelts of recycling waste System and method.
Background technique
With the development of market economy, the steel and iron industry in China is rapidly developed, and Scrap steel requirement increases, and has been increasingly becoming people Indispensable a part in daily life.Analyze according to the insiders: 1994~2013, steel production in China was altogether using useless 10.8 hundred million tons of steel, be equivalent to domestic 4,600,000,000 tons of the iron ore of few exploitation, save 1,000,000,000 tons of raw coal, reduce 1,700,000,000 tons of carbon emissions and 3200000000 tons of solid waste discharges, have saved resource, have done tremendous contribution for environmental protection.Steel scrap is not only China's regenerated resources, Simultaneously it is also the important component part of environmental protection industry and circular economy, is recycled above in scrap iron and steel, country quite payes attention to, It is not only to solve the strong injection of China's iron and steel resource shortage, even more develops the important channel of China's circular economy.
In the prior art, impurity is more in waste, containing a large amount of non-ferric material, how to propose steel therein separation Taking out is the big problem for restricting recovery and reuse of waste.
Summary of the invention
The purpose of the present invention is to solve in the prior art, impurity is more in waste, containing a large amount of non-ferric material, How by steel separation and Extraction therein come out be restrict recovery and reuse of waste the problem of, and propose a kind of waste circulation The metal smelt system and method utilized.
To achieve the goals above, present invention employs following technical solutions:
A kind of metal smelt system of recycling waste, including crushing system, magnetic separation system, cleaning system, preheating System, cutting system, briquetting system and smelting device, the crushing system include crusher, and the inside of the crusher is equipped with Crushing device becomes fragment, the discharge end and magnetic of the crushing system for being crushed to the biggish waste of volume The feed end of system is selected to be connected, the magnetic separation system includes adjustment device and concentration equipment, and the adjustment device can will be broken Block is uniformly laid on concentration equipment, convenient for the screening of concentration equipment;The cleaning system is the ultrasonic cleaning of 11 slots Device is equipped with degreasing bath, potcher, slow kerve and Feng Qie mechanism in ultrasonic cleaning equipment;The pre-heating system includes baking Furnace and waste gas collection device, for falling the oil stain removing on scrap iron;The cutting system includes cutter, is used for chunky shape Waste further shear;The briquetting system, the metal pieces briquetting for that will shear reduce its volume, the smelting Refining device is iron-smelting furnace, for smelting to the scrap iron for being pressed into block.
Preferably, the adjustment device includes support base, and support is fixedly connected at the bottom four corners of the support base Leg, the upper surface of the support base are fixedly connected with first motor, and adjusting tank, institute are fixedly connected at the top of the first motor It states and offers feed inlet at the top of adjusting tank, and be fixedly connected with back taper feed hopper at feed inlet, the back taper feed hopper Top it is fixed be communicated with taper feed hopper, the lower inside of the adjusting tank is welded with stock guide, and the stock guide inclination is set Set, the side of the adjusting tank offers discharge port, and the bottom of the stock guide extends to discharge port, the first motor it is defeated Shaft is fixedly connected with stirring rod by shaft coupling, and bottom and the stock guide of adjusting tank are sequentially passed through at the top of the stirring rod, And the inside of adjusting tank is extended to, several rod for stiring materials, the outside of the adjusting tank are fixedly connected on the side wall of the stirring rod Wall is hinged with jolting plate close to the position of discharge port, and the lower surface of the jolting plate is fixedly connected with vibrating motor.
Preferably, the concentration equipment includes the first support frame and the second support frame, and the inside of first support frame is logical It crosses shaft and is rotatably connected to driven wheel, the inner rotation of second support frame is connected with drive shaft, one end of the drive shaft It is fixedly connected through the second support frame and with the output shaft of the second motor, driving wheel is fixedly connected in the drive shaft, it is described The inside of driving wheel is equipped with magnetic coil, and the outside of the driving wheel and driven wheel jointly is sleeved on conveyer belt, the driving wheel Lower section be equipped with the first rewinding case, the side wall of the first rewinding case is fixedly connected with the second support frame, the first rewinding case Top opening, and be open side be fixedly connected with material scraping plate, the other side of the opening is fixedly connected with striker plate, described Striker plate is obliquely installed, and the first rewinding case is fixedly connected with the second rewinding case close to the side of striker plate.
Preferably, the bottom fixation of the first rewinding case is communicated with drainage conduit, and the interior bottom of the drainage conduit offers Card slot, offers through slot at the top of the drainage conduit, and the inside of the card slot and through slot is arranged with baffle jointly, the baffle Top is fixedly connected with pulling block.
Preferably, described rod for stiring materials is obliquely installed, and described rod for stiring materials is even number, and is symmetrically distributed in the two of stirring rod Side.
Preferably, the model YZU-10-2 type electromagnetic vibrator of the vibrating motor.
The present invention also provides a kind of method of the metal smelt of recycling waste to solve above-mentioned technical problem, In, include the following steps:
S1: the waste containing scrap iron carries out being broken into fragment by crusher;
S2: in magnetic separation system, the fragment after broken machining being adjusted, and by jolting plate, divides it On the conveyer belt of concentration equipment, and the iron content fragment in fragment is adsorbed by the magnetic coil inside driving wheel, wherein Nonferrous fragment will directly be fallen into the second rewinding case, and iron content fragment moves to the lower section of driving wheel with conveyer belt, and is scraping It is fallen under the action of plate in the first rewinding case;
S3: in cleaning system, the iron content fragment to get off will be screened in magnetic separation system and is cleaned, oil thereon is removed It is dirty;
S4: in pre-heating system, the fragment after cleaning is toasted by oven, keeps grease thereon further It disposes, and by plastics or the impurity burn off such as paint thereon, while processing is collected to exhaust gas caused by toasting;
S5: in cutting system, by cutter will be toasted after scrap iron be further processed, become it The smaller fragment of volume;
S6: in briquetting system, by cuber the bushel iron block after shearing machining squeeze blocking, can reduce Its space occupied, is readily transported;
S7: in smelting device, scrap iron block is melted and is smelted by iron-smelting furnace.
Compared with prior art, the present invention provides a kind of metal smelt system and method for recycling waste, tools It is standby following the utility model has the advantages that
1, the metal smelt system and method for the recycling waste is crushed waste by crusher, so Iron-contained waste material therein is screened with private magnetic separation system afterwards, then iron-contained waste material is carried out clearly by cleaning system It washes, the impurity on iron-contained waste material is being removed by pre-heating system, then it is further crushed using cutter, It recycles cuber squeeze to fragment blocking, is readily transported, finally iron block is smelted using iron-smelting furnace.
It is not directed to part in the device to be the same as those in the prior art or can be realized by using the prior art, the present invention can be with Ferrous contaminants in waste are filtered out, and after going deimpurity processing, are smelted by iron-smelting furnace, are improved useless The cyclic utilization rate of gurry.
Detailed description of the invention
Fig. 1 is a kind of flow diagram of the metal smelt system of recycling waste proposed by the present invention;
Fig. 2 is a kind of part-structure of the magnetic separation system of the metal smelt system of recycling waste proposed by the present invention Schematic diagram;
Fig. 3 is the structural schematic diagram of the part A of Fig. 2 proposed by the present invention;
Fig. 4 is the structural schematic diagram of the part B of Fig. 2 proposed by the present invention.
In figure: 1 support base, 2 support bases, 3 first motors, 4 adjusting tanks, 5 back taper feed hoppers, 6 taper feed hoppers, 7 are led It is flitch, 8 stirring rods, 9 rod for stiring materials, 10 jolting plates, 11 vibrating motors, 12 first support frames, 13 driven wheels, 14 driving wheels, 15 defeated Send band, 16 first rewinding casees, 17 second rewinding casees, 18 baffles, 19 pulling blocks.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
In the description of the present invention, it is to be understood that, term " on ", "lower", "front", "rear", "left", "right", "top", The orientation or positional relationship of the instructions such as "bottom", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, merely to just In description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with Specific orientation construction and operation, therefore be not considered as limiting the invention.
Referring to Fig.1-4, the metal smelt system of a kind of recycling waste, including crushing system, magnetic separation system, cleaning System, pre-heating system, cutting system, briquetting system and smelting device, crushing system include crusher, and the inside of crusher is equipped with Crushing device becomes fragment, the discharge end of crushing system and magnetic separation system for being crushed to the biggish waste of volume The feed end of system is connected, and magnetic separation system includes adjustment device and concentration equipment, and fragment can be uniformly laid with by adjustment device On concentration equipment, convenient for the screening of concentration equipment;Cleaning system is the ultrasonic cleaning equipment of 11 slots, ultrasonic cleaning dress Degreasing bath, potcher, slow kerve and Feng Qie mechanism are equipped in setting;Pre-heating system includes oven and waste gas collection device, is used for Oil stain removing on scrap iron is fallen;Cutting system includes cutter, for further shearing the waste of chunky shape;Briquetting system System, the metal pieces briquetting for that will shear reduce its volume, and smelting device is iron-smelting furnace, for the scrap iron for being pressed into block It is smelted.
Adjusting device includes support base 1, and supporting leg 2 is fixedly connected at the bottom four corners of support base 1, support base 1 Upper surface is fixedly connected with first motor 3, and the top of first motor 3 is fixedly connected with adjusting tank 4, and the top of adjusting tank 4 opens up There is feed inlet, and be fixedly connected with back taper feed hopper 5 at feed inlet, the top fixation of back taper feed hopper 5 is communicated with taper Feed hopper 6, the lower inside of adjusting tank 5 are welded with stock guide 7, and stock guide 7 is obliquely installed, and the side of adjusting tank 4 offers out Material mouth, the bottom of stock guide 7 extend to discharge port, and the output shaft of first motor 3 is fixedly connected with stirring rod 8 by shaft coupling, The top of stirring rod 8 sequentially passes through bottom and the stock guide 7 of adjusting tank 4, and extends to the inside of adjusting tank 4, the side of stirring rod 8 Several rod for stiring materials 9 are fixedly connected on wall, rod for stiring materials 9 is obliquely installed, and rod for stiring materials 9 is even number, and is symmetrically distributed in stirring rod 8 Two sides, the lateral wall of adjusting tank 4 is hinged with jolting plate 10 close to the position of discharge port, and the lower surface of jolting plate 10 is fixedly connected There are vibrating motor 11, the model YZU-10-2 type electromagnetic vibrator of vibrating motor 11.
Concentration equipment includes the first support frame 12 and the second support frame, and the inside of the first support frame 12 is rotated by shaft to be connected Be connected to driven wheel 13, the inner rotation of the second support frame is connected with drive shaft, one end of drive shaft through the second support frame and with The output shaft of second motor is fixedly connected, and driving wheel 14 is fixedly connected in drive shaft, and the inside of driving wheel 14 is equipped with the magnetic line of force The outside of circle, driving wheel 14 and driven wheel 13 jointly is sleeved on conveyer belt 15, and the lower section of driving wheel 14 is equipped with the first rewinding case 16, The side wall of first rewinding case 16 is fixedly connected with the second support frame, the top opening of the first rewinding case 16, and the side being open is solid Surely it is connected with material scraping plate, the other side of opening is fixedly connected with striker plate, and striker plate is obliquely installed, and the first rewinding case 16 is close to gear The side of flitch is fixedly connected with the second rewinding case 17, and the bottom fixation of the first rewinding case 16 is communicated with drainage conduit, drainage conduit Interior bottom offers card slot, offers through slot at the top of drainage conduit, and the inside of card slot and through slot is arranged with baffle 18, baffle jointly 18 top is fixedly connected with pulling block 19.
The present invention also provides a kind of methods of the metal smelt of recycling waste, wherein includes the following steps:
S1: the waste containing scrap iron carries out being broken into fragment by crusher;
S2: in magnetic separation system, the fragment after broken machining being adjusted, and by jolting plate 10, divides it The iron content fragment in fragment is inhaled on the conveyer belt 15 of concentration equipment, and by the magnetic coil inside driving wheel 14 Attached, wherein nonferrous fragment will directly be fallen into the second rewinding case 17, iron content fragment moves to driving wheel 14 with conveyer belt 15 Lower section, and fallen into the first rewinding case 16 under the action of scraper plate;
S3: in cleaning system, the iron content fragment to get off will be screened in magnetic separation system and is cleaned, oil thereon is removed It is dirty;
S4: in pre-heating system, the fragment after cleaning is toasted by oven, keeps grease thereon further It disposes, and by plastics or the impurity burn off such as paint thereon, while processing is collected to exhaust gas caused by toasting;
S5: in cutting system, by cutter will be toasted after scrap iron be further processed, become it The smaller fragment of volume;
S6: in briquetting system, by cuber the bushel iron block after shearing machining squeeze blocking, can reduce Its space occupied, is readily transported;
S7: in smelting device, scrap iron block is melted and is smelted by iron-smelting furnace.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto, Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.

Claims (7)

1. a kind of metal smelt system of recycling waste, including crushing system, magnetic separation system, cleaning system, preheating system System, cutting system, briquetting system and smelting device, which is characterized in that the crushing system includes crusher, the crusher Inside is equipped with crushing device, for being crushed to the biggish waste of volume, becomes fragment, the crushing system goes out Material end is connected with the feed end of magnetic separation system, and the magnetic separation system includes adjustment device and concentration equipment, the adjustment device Fragment can be uniformly laid on concentration equipment, convenient for the screening of concentration equipment;The cleaning system is the super of 11 slots Sound wave cleaning device is equipped with degreasing bath, potcher, slow kerve and Feng Qie mechanism in ultrasonic cleaning equipment;The pre-heating system Including oven and waste gas collection device, for the oil stain removing on scrap iron to be fallen;The cutting system includes cutter, is used for The waste of chunky shape is further sheared;The briquetting system, the metal pieces briquetting for that will shear, reduces its body Product, the smelting device is iron-smelting furnace, for smelting to the scrap iron for being pressed into block.
2. a kind of metal smelt system of recycling waste according to claim 1, which is characterized in that the adjustment Device includes support base (1), is fixedly connected to supporting leg (2), the support base at the bottom four corners of the support base (1) (1) upper surface is fixedly connected with first motor (3), is fixedly connected with adjusting tank (4), institute at the top of the first motor (3) It states and offers feed inlet at the top of adjusting tank (4), and be fixedly connected with back taper feed hopper (5), the back taper at feed inlet The top fixation of feed hopper (5) is communicated with taper feed hopper (6), and the lower inside of the adjusting tank (5) is welded with stock guide (7), the stock guide (7) is obliquely installed, and the side of the adjusting tank (4) offers discharge port, the bottom of the stock guide (7) Discharge port is extended to, the output shaft of the first motor (3) is fixedly connected with stirring rod (8), the stirring rod by shaft coupling (8) bottom and the stock guide (7) of adjusting tank (4) are sequentially passed through at the top of, and extend to the inside of adjusting tank (4), the stirring It is fixedly connected on the side wall of bar (8) several rod for stiring materials (9), the lateral wall of the adjusting tank (4) is cut with scissors close to the position of discharge port It is connected to jolting plate (10), the lower surface of the jolting plate (10) is fixedly connected with vibrating motor (11).
3. a kind of metal smelt system of recycling waste according to claim 1, which is characterized in that the magnetic separation Device includes the first support frame (12) and the second support frame, and the inside of first support frame (12) is rotatably connected to by shaft Driven wheel (13), the inner rotation of second support frame are connected with drive shaft, and one end of the drive shaft is through the second support Frame is simultaneously fixedly connected with the output shaft of the second motor, and driving wheel (14), the driving wheel are fixedly connected in the drive shaft (14) inside is equipped with magnetic coil, and the outside of the driving wheel (14) and driven wheel (13) jointly is sleeved on conveyer belt (15), The lower section of the driving wheel (14) is equipped with the first rewinding case (16), and the side wall and the second support frame of the first rewinding case (16) are solid Fixed connection, the top opening of the first rewinding case (16), and the side being open are fixedly connected with material scraping plate, the opening it is another Side is fixedly connected with striker plate, and the striker plate is obliquely installed, and the first rewinding case (16) is solid close to the side of striker plate Surely it is connected with the second rewinding case (17).
4. a kind of metal smelt system of recycling waste according to claim 3, which is characterized in that described first The bottom fixation of rewinding case (16) is communicated with drainage conduit, and the interior bottom of the drainage conduit offers card slot, the top of the drainage conduit Portion offers through slot, and the inside of the card slot and through slot is arranged with baffle (18) jointly, and the top of the baffle (18) is fixed to be connected It is connected to pulling block (19).
5. a kind of metal smelt system of recycling waste according to claim 2, which is characterized in that the material toggling Bar (9) is obliquely installed, and the rod for stiring materials (9) is even number, and is symmetrically distributed in the two sides of stirring rod (8).
6. a kind of metal smelt system of recycling waste according to claim 2, which is characterized in that the vibration The model YZU-10-2 type electromagnetic vibrator of motor (11).
7. a kind of method of the metal smelt of recycling waste, which is characterized in that using such as any one of claim 1~6 A kind of metal smelt system of recycling waste, described method includes following steps:
S1: the waste containing scrap iron carries out being broken into fragment by crusher;
S2: in magnetic separation system, the fragment after broken machining being adjusted, and by jolting plate (10), divides it On the conveyer belt (15) of concentration equipment, and the iron content fragment in fragment is inhaled by driving wheel (14) internal magnetic coil Attached, wherein nonferrous fragment will directly be fallen into the second rewinding case (17), iron content fragment moves to driving with conveyer belt (15) The lower section of (14) is taken turns, and is fallen into the first rewinding case (16) under the action of scraper plate;
S3: in cleaning system, the iron content fragment to get off will be screened in magnetic separation system and is cleaned, greasy dirt thereon is removed;
S4: in pre-heating system, the fragment after cleaning is toasted by oven, removes grease thereon further Fall, and by plastics or the impurity burn off such as paint thereon, while processing is collected to exhaust gas caused by toasting;
S5: in cutting system, by cutter will be toasted after scrap iron be further processed, so that it is become volume Smaller fragment;
S6: in briquetting system, by cuber the bushel iron block after shearing machining squeeze blocking, can reduce it and account for Ground space, is readily transported;
S7: in smelting device, scrap iron block is melted and is smelted by iron-smelting furnace.
CN201810638756.7A 2018-06-20 2018-06-20 A kind of metal smelt system and method for recycling waste Pending CN109092843A (en)

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Cited By (5)

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CN110479962A (en) * 2019-08-07 2019-11-22 安徽凤杰金属资源有限公司 One kind antifriction alloy made of wastes of iron and steel
CN110523474A (en) * 2019-09-09 2019-12-03 重庆悦乘海智环保科技有限公司 Industrial waste irony waste container recycles processing method
CN110560455A (en) * 2019-09-09 2019-12-13 重庆悦乘海智环保科技有限公司 method for treating residues in treatment process of industrial waste iron waste container
CN111659702A (en) * 2020-06-15 2020-09-15 遵义永航再生资源利用有限公司 Method for recycling and reprocessing scrap steel
CN110779338B (en) * 2019-11-07 2021-04-06 山东华顺环保科技股份有限公司 Method for treating slag of iron and steel smelting furnace

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CN107737894A (en) * 2017-11-02 2018-02-27 湖北鑫隆冶金科技发展有限公司 A kind of scrap iron and steel continuous casting manufacturing technique
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Publication number Priority date Publication date Assignee Title
CN110479962A (en) * 2019-08-07 2019-11-22 安徽凤杰金属资源有限公司 One kind antifriction alloy made of wastes of iron and steel
CN110523474A (en) * 2019-09-09 2019-12-03 重庆悦乘海智环保科技有限公司 Industrial waste irony waste container recycles processing method
CN110560455A (en) * 2019-09-09 2019-12-13 重庆悦乘海智环保科技有限公司 method for treating residues in treatment process of industrial waste iron waste container
CN110523474B (en) * 2019-09-09 2021-10-15 重庆悦乘海智环保科技有限公司 Recycling treatment method for industrial waste iron waste container
CN110779338B (en) * 2019-11-07 2021-04-06 山东华顺环保科技股份有限公司 Method for treating slag of iron and steel smelting furnace
CN111659702A (en) * 2020-06-15 2020-09-15 遵义永航再生资源利用有限公司 Method for recycling and reprocessing scrap steel

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Application publication date: 20181228