CN203964657U - A kind of special-purpose induction furnace of ferroalloy smelting - Google Patents

A kind of special-purpose induction furnace of ferroalloy smelting Download PDF

Info

Publication number
CN203964657U
CN203964657U CN201420434962.3U CN201420434962U CN203964657U CN 203964657 U CN203964657 U CN 203964657U CN 201420434962 U CN201420434962 U CN 201420434962U CN 203964657 U CN203964657 U CN 203964657U
Authority
CN
China
Prior art keywords
graphite
induction furnace
special
furnace
flue
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.)
Expired - Fee Related
Application number
CN201420434962.3U
Other languages
Chinese (zh)
Inventor
王太进
Original Assignee
王太进
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 王太进 filed Critical 王太进
Priority to CN201420434962.3U priority Critical patent/CN203964657U/en
Application granted granted Critical
Publication of CN203964657U publication Critical patent/CN203964657U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model relates to a kind of special-purpose induction furnace of ferroalloy smelting, belongs to by induction furnace and all uses metal oxide reducing and smelting ferroalloy technical field.Technical scheme is: comprise corrosion resistant plate furnace shell (51), insulating barrier (52), around the anti-oxidant knotting of knotting high temperature resistance layer (57) in induction coil (54), thermal resistance refractory material (55), graphite flue (56) and graphite flue, in corrosion resistant plate furnace shell, insulating barrier is set, in insulating barrier, be provided with around induction coil, around being provided with thermal resistance refractory material in induction coil, in thermal resistance refractory material, be provided with graphite flue, in graphite flue, be provided with the anti-oxidant knotting layer of knotting high temperature resistance in graphite flue.The utility model reduces costs, small investment, smelts stable components, finished product stable components, reduces environmental pollution, and closure is smelted, the easy collection and treatment of dust and emission gases, and comprehensive energy consumption reduces amplitude compared with traditional handicraft can reach 20%-30%, and CO 2, SO 2it is much lower that blast furnace furnace cupola that coke is fuel etc. is take in discharge.

Description

A kind of special-purpose induction furnace of ferroalloy smelting
Technical field
The utility model relates to a kind of special-purpose induction furnace of ferroalloy smelting, belongs to by induction furnace and all uses metal oxide reducing and smelting ferroalloy technical field.
Background technology
Ferroalloy reproducibility is smelted, and general traditional handicraft is all to use blast furnace, furnace cupola, electric arc furnaces, mineral hot furnace etc. to carry out, and existing problems are: cost is high, investment is large, highly energy-consuming, high pollution, CO 2discharge capacity is large, is also the strict smelting modes of controlling of national industrial policies.Induction furnace is owing to being to pass through electromagnetic induction heating, generally select the metal object that conductance is high to smelt, can not all select the metal oxide that conductance is low to smelt, all adopt metal oxide to pass through induction furnace ferroalloy smelting and can solve the problem that background technology exists.
Utility model content
The utility model provides a kind of special-purpose induction furnace of ferroalloy smelting, by induction furnace, all uses metal oxide reducing and smelting ferroalloy, and firing rate is fast, production efficiency is high, pollution-free, low power consuming, solves the problems referred to above that background technology exists.
The technical solution of the utility model is:
A kind of special-purpose induction furnace of ferroalloy smelting, comprise corrosion resistant plate furnace shell, insulating barrier, around the anti-oxidant knotting layer of the high temperature resistance of tiing a knot in induction coil, thermal resistance refractory material, graphite flue and graphite flue, in corrosion resistant plate furnace shell, insulating barrier is set, in insulating barrier, be provided with around induction coil, around being provided with thermal resistance refractory material in induction coil, in thermal resistance refractory material, be provided with graphite flue, in graphite flue, be provided with the anti-oxidant knotting layer of knotting high temperature resistance in graphite flue.
Described corrosion resistant plate furnace shell outside is provided with body of heater gudgeon.
Described graphite flue has two kinds of structures, 1. Split type structure, and polylith graphite cake is spliced into crucible shape, and graphite cake inner surface is uneven shape, to hang bonding knotting refractory material, such as: at graphite cake inner surface, be provided with striped etc. anyhow; 2. the whole masonry construction of graphite brick, graphite brick is built into crucible shape by laying bricks or stones, and inner surface is uneven, to hang bonding knotting refractory material.Graphite brick is built by laying bricks or stones, can overcome that tabular graphite stress is concentrated, breakage problem, reduces graphite cost.
The cross section of described graphite flue is rectangle, and the scope of length-width ratio is: 4 to 1 to 6 to 1, and proof by experiment, the square-section of above-mentioned length-width ratio, heat conduction (thermal convection current) distance is best, and quick heating, energy consumption are low, and heat utilization coefficient is high.
Use the utility model, all selecting metal oxide is raw material, enters special-purpose induction furnace melting and reducing, all uses pelletizing as fused raw material, and in stove, temperature is controlled 1450 ℃ automatically, rises to 1450 ℃, keeps 15-20 minute, completes ferroalloy smelting.
The beneficial effects of the utility model are: by the use of graphite flue, solved the problem of metal oxide eddy-current heating, by the anti-oxidant knotting layer of the high temperature resistance of tiing a knot in graphite flue, solved the life problems of graphite flue, realized by induction furnace and all used metal oxide reducing and smelting ferroalloy, reduce costs, small investment, smelt stable components, finished product stable components, recruitment is few; The utility model and mineral hot furnace comparison, reduce environmental pollution, and closure is smelted, the easy collection and treatment of dust and emission gases, and comprehensive energy consumption reduces amplitude compared with traditional handicraft can reach 20%-30%, and CO 2, SO 2it is much lower that blast furnace furnace cupola that coke is fuel etc. is take in discharge.
Accompanying drawing explanation
Fig. 1 is the utility model embodiment schematic diagram;
Fig. 2 is that the utility model is used schematic diagram;
In figure: 31. rotary kilns; 32. rolling ring-gears; 33. rolling carrying rollers; 34. coal powder injection machines; 35. exhaust collection chambers; 36. oblique feeding pipes; 37. taper buckets; 38. oscillating feeders; 39. electrostatic precipitator; 40. rectangle induction furnaces; 41. induction furnace orbits; 42. alloy bags; 43. alloy forming moulds; 44. hot raw materials; 45. cold conditions raw materials; 51. corrosion resistant plate furnace shells; 52. insulating barriers; 53. body of heater gudgeons; 54. around induction coil; 55. thermal resistance refractory materials; 56. graphite flues; The anti-oxidant knotting layer of 57. interior knotting high temperature resistance.
The specific embodiment
Below in conjunction with accompanying drawing, by example, the utility model is described in further detail.
A kind of special-purpose induction furnace of ferroalloy smelting, comprise corrosion resistant plate furnace shell 51, insulating barrier 52, around the anti-oxidant knotting layer 57 of the high temperature resistance of tiing a knot in induction coil 54, thermal resistance refractory material 55, graphite flue 56 and graphite flue, the interior insulating barrier 52 that arranges of corrosion resistant plate furnace shell 51, in insulating barrier 52, be provided with around induction coil 54, around being provided with thermal resistance refractory material 55 in induction coil 54, in thermal resistance refractory material 55, be provided with graphite flue 56, in graphite flue 56, be provided with the anti-oxidant knotting layer 57 of knotting high temperature resistance in graphite flue.
Described corrosion resistant plate furnace shell 51 outsides are provided with body of heater gudgeon 53.
Described graphite flue 56 has two kinds of structures, 1. Split type structure, and polylith graphite cake is spliced into crucible shape, and graphite cake inner surface is uneven shape, to hang bonding knotting refractory material, such as: at graphite cake inner surface, be provided with striped etc. anyhow; 2. the whole masonry construction of graphite brick, graphite brick is built into crucible shape by laying bricks or stones, and inner surface is uneven, to hang bonding knotting refractory material.Graphite brick is built by laying bricks or stones, can overcome that tabular graphite stress is concentrated, breakage problem, reduces graphite cost.
The cross section of described graphite flue is rectangle, and the scope of length-width ratio is: 4 to 1 to 6 to 1, and proof by experiment, the square-section of above-mentioned length-width ratio, heat conduction (thermal convection current) distance is best, and quick heating, energy consumption are low, and heat utilization coefficient is high.
In the present embodiment, the inner headroom of graphite flue, long 1200-1500mm rice, wide 250-300mm.
Use the utility model ferroalloy smelting, all selecting metal oxide is raw material, such as manganese ore, chrome ore etc.; Add lime, fluorite, Ramsbottom carbon powder, binding agent to make pelletizing raw material; Pelletizing raw material rolling pelletizing, becomes pelletizing; Then weathering, improves pellet strength, and the weathering time is more than 24 hours; Pelletizing enters rotary kiln 31 roastings, and kiln temperature is controlled at 1100-1250 ℃, roasting to pelletizing fritting state; Pelletizing enters special-purpose induction furnace melting and reducing, and in stove, temperature is controlled 1450 ℃ automatically, rises to 1450 ℃, keeps 15-20 minute, completes ferroalloy smelting.After melting completes, pour melt liquid into alloy bag, calm 10-15 minute, then enters mold forming.
Embodiment more specifically:
The utility model is also provided with on rotary kiln 31, rolling carrying roller 33, rolling ring-gear 32, coal powder injection machine 34, exhaust collection chamber 35, electrostatic precipitator 39, oscillating feeder 38, taper bucket 37, oblique feeding pipe 36 and induction furnace orbit 41, rotary kiln 31 is arranged on rolling carrying roller 33, rotary kiln 31 is provided with rolling ring-gear 32, rotary kiln 31 one end are provided with coal powder injection machine 34, the other end is exhaust collection chamber 35, and exhaust collection chamber 35 is connected with electrostatic precipitator 39; Rotary kiln 31 feeding mouths connect taper bucket 37 by oblique feeding pipe 36, and taper bucket 37 is provided with oscillating feeder 38 above; Rotary kiln 31 discharging openings mate with the feeding mouth of special-purpose induction furnace, and special-purpose induction furnace is rectangle induction furnace 40, and rectangle induction furnace 40 is arranged on induction furnace orbit 41.
Cold conditions raw material 45(pelletizing) by oscillating feeder 38, enter taper bucket 37, then by oblique feeding pipe 36, enter rotary kiln 31, hot raw material 44(pelletizing after rotary kiln 31 roastings) enter special-purpose induction furnace, melt liquid after melting and reducing enters alloy bag 42, then enters alloy forming mould 43.

Claims (6)

1. the special-purpose induction furnace of a ferroalloy smelting, it is characterized in that: comprise corrosion resistant plate furnace shell (51), insulating barrier (52), around induction coil (54), thermal resistance refractory material (55), the knotting anti-oxidant knotting layer of high temperature resistance (57) in graphite flue (56) and graphite flue, insulating barrier (52) is set in corrosion resistant plate furnace shell (51), in insulating barrier (52), be provided with around induction coil (54), around being provided with thermal resistance refractory material (55) in induction coil (54), in thermal resistance refractory material (55), be provided with graphite flue (56), in graphite flue (56), be provided with the knotting anti-oxidant knotting layer of high temperature resistance (57) in graphite flue.
2. the special-purpose induction furnace of a kind of ferroalloy smelting according to claim 1, is characterized in that: described graphite flue is Split type structure, and polylith graphite cake is spliced into crucible shape, and graphite cake inner surface is uneven shape.
3. according to the special-purpose induction furnace of a kind of ferroalloy smelting claimed in claim 1, it is characterized in that: described graphite flue is the whole masonry construction of graphite brick, and graphite brick is built into crucible shape by laying bricks or stones, and inner surface is uneven.
4. according to the special-purpose induction furnace of a kind of ferroalloy smelting described in claim 2 or 3, it is characterized in that: the cross section of described graphite flue is rectangle, and the scope of length-width ratio is: 4 to 1 to 6 to 1.
5. according to the special-purpose induction furnace of a kind of ferroalloy smelting described in claim 2 or 3, it is characterized in that: be also provided with rotary kiln (31), rolling carrying roller (33), rolling ring-gear (32), coal powder injection machine (34), exhaust collection chamber (35), electrostatic precipitator (39), oscillating feeder (38), taper bucket (37), on oblique feeding pipe (36) and induction furnace orbit (41), rotary kiln (31) is arranged on rolling carrying roller (33), rotary kiln (31) is provided with rolling ring-gear (32), rotary kiln (31) one end is provided with coal powder injection machine (34), the other end is exhaust collection chamber (35), exhaust collection chamber (35) is connected with electrostatic precipitator (39), rotary kiln (31) feeding mouth connects taper bucket (37) by oblique feeding pipe (36), and taper bucket (37) is provided with oscillating feeder (38) above, rotary kiln (31) discharging opening mates with the feeding mouth of special-purpose induction furnace, and special-purpose induction furnace is rectangle induction furnace (40), and rectangle induction furnace (40) is arranged on induction furnace orbit (41).
6. according to the special-purpose induction furnace of a kind of ferroalloy smelting described in claim 2 or 3, it is characterized in that: described corrosion resistant plate furnace shell (51) outside is provided with body of heater gudgeon (53).
CN201420434962.3U 2014-08-04 2014-08-04 A kind of special-purpose induction furnace of ferroalloy smelting Expired - Fee Related CN203964657U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420434962.3U CN203964657U (en) 2014-08-04 2014-08-04 A kind of special-purpose induction furnace of ferroalloy smelting

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420434962.3U CN203964657U (en) 2014-08-04 2014-08-04 A kind of special-purpose induction furnace of ferroalloy smelting

Publications (1)

Publication Number Publication Date
CN203964657U true CN203964657U (en) 2014-11-26

Family

ID=51925230

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201420434962.3U Expired - Fee Related CN203964657U (en) 2014-08-04 2014-08-04 A kind of special-purpose induction furnace of ferroalloy smelting

Country Status (1)

Country Link
CN (1) CN203964657U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104089476A (en) * 2014-08-04 2014-10-08 王太进 Method for using induction furnace for smelting iron alloy and dedicated induction furnace
CN106546094A (en) * 2016-09-07 2017-03-29 佛山市技新电气有限公司 A kind of manufacture method of heating component and the electromagnetic welding guarantor's stove using the heating component
WO2018103708A1 (en) * 2016-12-09 2018-06-14 成都斯力康科技股份有限公司 Induction furnace lining forming structure and method for silicon residue smelting

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104089476A (en) * 2014-08-04 2014-10-08 王太进 Method for using induction furnace for smelting iron alloy and dedicated induction furnace
CN104089476B (en) * 2014-08-04 2016-01-20 王太进 A kind of method of induction furnace ferroalloy smelting
CN106546094A (en) * 2016-09-07 2017-03-29 佛山市技新电气有限公司 A kind of manufacture method of heating component and the electromagnetic welding guarantor's stove using the heating component
CN106546094B (en) * 2016-09-07 2019-01-29 佛山市技新电气有限公司 A kind of manufacturing method of heating component and furnace is protected using the electromagnetic welding of the heating component
WO2018103708A1 (en) * 2016-12-09 2018-06-14 成都斯力康科技股份有限公司 Induction furnace lining forming structure and method for silicon residue smelting

Similar Documents

Publication Publication Date Title
CN203964657U (en) A kind of special-purpose induction furnace of ferroalloy smelting
CN201555446U (en) Smelting rotary hearth furnace for directly reducing nickel
CN105039738A (en) Crude copper fire refining furnace and process
CN104004922A (en) Hierarchy cascade short process copper smelting device and process
CN104089476B (en) A kind of method of induction furnace ferroalloy smelting
CN106916599A (en) A kind of iron coke process units and method
CN107904347B (en) Coal-based direct reduction shaft furnace and reduction method thereof
CN205741171U (en) A kind of polynary stove copper smelting apparatus
CN201104092Y (en) Built-in coal based sponge iron shaft furnace
CN103276278B (en) A kind of fusion reducing furnace for smelting laterite-nickel ores
CN203487047U (en) Internal fuel gas combustion shaft kiln for producing light calcined magnesia
CN205329129U (en) Sectional type rotary kiln group
CN204918717U (en) Thick copper fire refining stove
CN204529318U (en) calcium carbide smelting furnace
CN204461035U (en) A kind of double-deck circulation continuous reflection stove
CN106288781A (en) A kind of monolayer for being reduced directly the mode of production heats and heat reclamation type rotary hearth furnace
CN203964658U (en) A kind of equipment with induction furnace ferroalloy smelting
CN203419972U (en) Secondary copper smelting method technology and device
CN202450141U (en) Non-ferrous metal recovery reacting device
CN206207998U (en) Oxygen enriched molten bath smelting furnace
CN206469688U (en) A kind of heavy oil combustion, fuel gas buring and electric arc combined heat smelting furnace
CN205635739U (en) Electrolytic aluminum waste material purification furnace body
CN204185534U (en) A kind of diameter 40 meters of rotary hearth furnaces-molten point stove combined production line
WO2017024537A1 (en) Melting separation furnace and method for treating material to be melted and separated with same
CN204385263U (en) A kind of hot blast mineral hot furnace

Legal Events

Date Code Title Description
GR01 Patent grant
C14 Grant of patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20141126

Termination date: 20150804

EXPY Termination of patent right or utility model