CN202024590U - Aluminothermy smelting furnace - Google Patents

Aluminothermy smelting furnace Download PDF

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Publication number
CN202024590U
CN202024590U CN2011200890378U CN201120089037U CN202024590U CN 202024590 U CN202024590 U CN 202024590U CN 2011200890378 U CN2011200890378 U CN 2011200890378U CN 201120089037 U CN201120089037 U CN 201120089037U CN 202024590 U CN202024590 U CN 202024590U
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CN
China
Prior art keywords
district
slag
flame retardant
alloy
smelting furnace
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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
CN2011200890378U
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Chinese (zh)
Inventor
陈海军
孙朝晖
张帆
刘丰强
王永刚
李千文
周芳
鲜勇
孟伟巍
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Pangang Group Steel Vanadium and Titanium Co Ltd
Pangang Group Research Institute Co Ltd
Pangang Group Panzhihua Steel and Vanadium Co Ltd
Pangang Group Panzhihua Iron and Steel Research Institute Co Ltd
Original Assignee
Pangang Group Steel Vanadium and Titanium Co Ltd
Pangang Group Research Institute Co Ltd
Pangang Group Panzhihua Steel and Vanadium Co Ltd
Pangang Group Panzhihua Iron and Steel Research Institute 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.)
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Application filed by Pangang Group Steel Vanadium and Titanium Co Ltd, Pangang Group Research Institute Co Ltd, Pangang Group Panzhihua Steel and Vanadium Co Ltd, Pangang Group Panzhihua Iron and Steel Research Institute Co Ltd filed Critical Pangang Group Steel Vanadium and Titanium Co Ltd
Priority to CN2011200890378U priority Critical patent/CN202024590U/en
Application granted granted Critical
Publication of CN202024590U publication Critical patent/CN202024590U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses a smelting furnace, in particular to an aluminothermy smelting furnace, which facilitate discharge of alloy and comprises a furnace body and a fire-resistant layer knotted on the inner wall of the furnace body. The furnace body is formed by detachable connection of an alloy bread area and a slag area from top to bottom at least. The fire-resistant layer is composed of an alloy bread area fire-resistant layer knotted on the inner wall of the alloy bread area and a slag area fire-resistant layer knotted on the inner wall of the slag area at least. The furnace body is divided into a plurality of sections, and when the furnace is disassembled, users just need to disassemble the slag area and the alloy bread area respectively, thereby being easy to discharge slag and the alloy. Furthermore, the slag area and the ally bread area are connected with each other detachably, thereby being convenient to use repeatedly. A splash-proof area is arranged on the slag area to block splash generated by reaction.

Description

The aluminothermy smelting furnace
Technical field
The utility model relates to a kind of smelting furnace, especially a kind of aluminothermy smelting furnace.
Background technology
Aluminothermic process is a kind of method of utilizing the reproducibility acquisition refractory metal simple substance of aluminium.Thermite refers to the mixture of aluminium and metal oxide.After aluminium powder and a certain amount of refractory metal oxide (as iron oxide etc.) mixed, ignite with magnesium rod, can see aluminium powder vigorous reaction under higher temperature, a large amount of heat is emitted in reaction, and gives out great brilliancy.Product is the simple substance of aluminium oxide and this refractory metal.Thermit reaction is very fierce, so be difficult to after lighting extinguish, it is that furnace charge is packed into, and (1700 ℃~2500 ℃) make furnace charge be in molten condition to produce high temperature in an instant rapidly after igniting, and then carries out alloy and refine.The advantage of this smelting mode is need not import electric heating, and energy consumption is low, and is lower than electric arc furnace smelting method production cost.
After reaction finishes, in order to get product to the end, must take the thermit reaction stove apart, existing thermit reaction stove all adopts the design of the straight tube of single-unit stove, be that whole thermit reaction stove is as a whole, entire reaction is to carry out in a stove tube, therefore alloy and slag all in same stove tube, so just are unfavorable for coming out of the stove of alloy and slag, can strengthen the labour intensity of tearing stove open, increase human cost, aggravating laboring environment causes the reduction of production efficiency, and damages furnace lining easily when tearing stove open, reduce furnace life, increase production cost virtually.
The utility model content
Technical problem to be solved in the utility model provides a kind of aluminothermy smelting furnace that alloy is come out of the stove of being convenient to.
The aluminothermy smelting furnace that its technical problem that solves the utility model adopts, comprise body of heater and knotting flame retardant coating at inboard wall of furnace body, described body of heater is removably connected from bottom to up by alloy cake district and slag district at least and forms, and described flame retardant coating is made up of at the slag district of slag district inwall flame retardant coating in the alloy cake district of alloy cake district inwall flame retardant coating and knotting knotting at least.
Further be, the blade diameter length ratio in alloy cake district is 2~3, and slag district blade diameter length ratio is 1.2~2.
Further be, body of heater also comprises splashguard area, and described splashguard area is detachably connected in the slag district; Described flame retardant coating also comprises the splashguard area flame retardant coating of knotting at the splashguard area inwall.
Further be that the blade diameter length ratio of splashguard area is 1.2~2.
Further be that alloy cake district all is connected by flange with splashguard area with slag district, slag district.
Further be all circumferentially evenly to be provided with four hooks on the outer wall of alloy cake district, slag district and splashguard area.
Further be that flame retardant coating thickness reduces from the bottom to top gradually.
Further be that the reduction rate of flame retardant coating is that every rising 1cm thickness reduces 1.3~1.7mm, knotting thickness 140~200mm bottom.
Further be, also comprise safe splash guard, described body of heater is arranged in the safe splash guard, and described safe splash guard comprises main cover body, the exhaust gases passes that links to each other with main cover body, the lighting-up tuyere that leads to the charging aperture in the body of heater and be used to light a fire.
Further be also to be provided with peephole on the safe splash guard.
The beneficial effects of the utility model are: by body of heater is divided into multistage, like this when tearing stove open, pull down the slag district respectively and alloy cake district gets final product, therefore slag and coming out of the stove of alloy just are more prone to, and slag district and alloy cake district are therefore also very convenient in using repeatedly by removably connecting.In the slag district, splashguard area can also be set, stop the splash that reaction produces thus.On slag district, alloy cake district and splashguard area, all hook can be set, therefore just convenient when removing body of heater.Flame retardant coating can also be set to by becoming big taper gradually down to little, just convenient at taking-up slag and alloy like this, a safe splash guard can also be set outside body of heater, prevent that the splash that vigorous reaction causes from producing security incident, the security of raising equipment integral body.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the splash guard schematic diagram;
Parts, position and numbering among the figure: body of heater 1, flame retardant coating 2, hook 3, safe splash guard 4, splashguard area 11, slag district 12, alloy cake district 13, splashguard area flame retardant coating 21, slag district flame retardant coating 22, alloy cake district flame retardant coating 23, main cover body 41, exhaust gases passes 42, charging aperture 43, lighting-up tuyere 44.
The specific embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
As shown in Figure 1, the utility model comprises body of heater 1 and ties a knot at the flame retardant coating 2 of body of heater 1 inwall, described body of heater 1 is removably connected from bottom to up by alloy cake district 13 and slag district 12 at least and forms, and described flame retardant coating 2 is made up of at the slag district of slag district 12 inwalls flame retardant coating 22 in the alloy cake district of alloy cake district 13 inwalls flame retardant coating 23 and knotting knotting at least.In use, at first alloy cake district 13 and slag district 12 are connected into body of heater 1, be body of heater 1 by alloy cake district 13 and slag district 12 these two sections form, certainly, can also add the body of heater section of other function on the body of heater 1, because alloy cake district flame retardant coating 23 and slag district flame retardant coating 22 are tied a knot in advance in alloy cake district 13 and slag district 12, therefore, after assembling alloy cake district 13 and slag district 12, alloy cake district flame retardant coating 23 has been formed flame retardant coating 2 naturally with slag district flame retardant coating 22, can add reaction raw materials after installing, ignite with magnesium rod, thereby bring out aluminium and metal oxide reacts, thereby obtain alloy simple substance and slag, because alloy be a liquid state in course of reaction, and the density of slag is less than liquid alloy, therefore after reaction finished, slag will float on the alloy, just the layering of alloy and slag nature, after cooling, alloy is sunken to lower floor and forms the alloy cake, and is enclosed in the alloy cake district 13, and slag then major part is distributed in the slag district 12.When coming out of the stove, remove removably connecting between slag district 12 and the alloy cake district 13, thereby separate slag district 12 and alloy cake district 13, just can not be stuck in the body of heater 1 at alloy and slag like this, it comes out of the stove just very convenient.
Concrete, the blade diameter length ratio in alloy cake district 13 is 2~3, slag district 12 blade diameter length ratios are 1.2~2.
For the splash that prevents to produce in the thermit reaction flies out, as shown in Figure 1, body of heater 1 also comprises splashguard area 11, and described splashguard area 11 is detachably connected in the slag district 12; Described flame retardant coating 2 also comprises the splashguard area flame retardant coating 21 of knotting at splashguard area 11 inwalls.In use, except connecting slag district 12 and alloy cake district 13, also need splashguard area 11 is connected in the slag district 12, equally, the page or leaf knotting has splashguard area flame retardant coating 21 to prevent the damage of high temperature to splashguard area 11 in the splashguard area 11, splashguard area 11 has formed an enclosure wall, slag district 12 is blocked in the body of heater 1 with the splash that alloy cake district 11 produces, thereby increases the security of whole utility model.
Concrete, the blade diameter length ratio of splashguard area 11 is 1.2~2.
For the ease of connecting, as shown in Figure 1, alloy cake district 13 all is connected by flange with splashguard area 11 with slag district 12, slag district 12.At this moment, only alloy cake district 13, slag district 12 can be connected into body of heater 1 with splashguard area 11, thereby constitute complete aluminothermy smelting furnace, operate very easy by bolt.Equally, when alloy and slag are come out of the stove, disassemble bolt, alloy cake district 13, slag district 12 are separated with splashguard area 11, so also be convenient to alloy and slag is come out of the stove.
For the ease of installation and removal, as shown in Figure 1, all circumferentially evenly be provided with four hooks 3 on the outer wall of alloy cake district 13, slag district 12 and splashguard area 11.By said structure, no matter be in installation or unloading process, corresponding hook 3 is all arranged as the Heave Here, adopt fork truck, equipment such as crane all can mobile easily alloy cake district 13, slag district 12 and splashguard area 11.
In order better alloy, slag to be separated with body of heater 1, as shown in Figure 1, flame retardant coating 2 thickness reduce from the bottom to top gradually.Just the internal diameter of flame retardant coating 2 is up big and down small, and this just is very easy to when taking out alloy and slag, and such inclination angle can prevent that alloy and slag are stuck on the flame retardant coating 2, and is therefore just more easy when separating alloy, slag and body of heater 1.
Concrete, the reduction rate of flame retardant coating 2 is that every rising 1cm thickness reduces 1.3~1.7mm, knotting thickness 140~200mm bottom.
On the basis of technique scheme, as shown in Figure 2, the utility model also comprises safe splash guard 4, described body of heater 1 is arranged in the safe splash guard 4, and described safe splash guard 4 comprises main cover body 41, the exhaust gases passes 42 that links to each other with main cover body 41, leads to charging aperture 43 in the body of heater 1 and the lighting-up tuyere 44 that is used to light a fire.In safe splash guard 4 shrouds body of heater 1 again, thereby prevent that effectively intense reaction from producing splash and flying out, influence safety.The exhaust gases passes 42 of safe splash guard 4 can be discharged the flue gas that reaction produces, and its charging aperture 43 can utilize gravity or conveying device reinforced in body of heater 1, thereby makes reaction continue to carry out.Lighting-up tuyere 44 can be lighted magnesium rod, thereby brings out reaction.On safety splash guard 4, peephole can also be set, thereby be convenient to operating personnel's operation control.
Embodiment one
Under disposable reinforced situation, will, alloy cake district 13, slag district 12 and splashguard area 11 knottings are smooth, couple together with bolt, and the junction is solid with the knotting materials repairing, carry out baker 24h.Whole mixed material add in the body of heater 1, and safe splash guard 4 is covered on above the whole body of heater 1, light a fire from lighting-up tuyere 44.Furnace charge is swift in response, and can control reaction speed by adding modes such as cooling agent, and course of reaction is violent and send dazzling light.After reaction finishes, cooling 24~36h tears stove open, at first alloy cake district 13 and slag district 12, slag district 12 are dismantled with the bolt of splashguard area 11 junctions, use fork truck that body of heater 1 is separated then, because flame retardant coating 2 inclination angles knotting design, be that internal diameter is up big and down small, so alloy and slag can be relatively easy to separate with body of heater 1.
Embodiment two
Under the situation of continuous charging, earlier the fraction material is put into body of heater 1, light a fire then, along with the carrying out of reaction, progressively will expect in right amount to pour in the body of heater 1 by charging aperture 43, reaction can be carried out continuously, under the situation of continuous charging, can carry out under the situation of not using cooling agent, reacting phase is milder than disposable charging reaction, and controllability is strong.Follow-up then the same with embodiment one.

Claims (10)

1. aluminothermy smelting furnace, comprise body of heater (1) and knotting flame retardant coating (2) at body of heater (1) inwall, it is characterized in that: described body of heater (1) is removably connected from bottom to up by alloy cake district (13) and slag district (12) at least and forms, and described flame retardant coating (2) is made up of at the slag district flame retardant coating (22) of slag district (12) inwall with knotting at the alloy cake district flame retardant coating (23) of alloy cake district (13) inwall knotting at least.
2. aluminothermy smelting furnace as claimed in claim 1 is characterized in that: the blade diameter length ratio in described alloy cake district (13) is 2~3, and slag district (12) blade diameter length ratio is 1.2~2.
3. aluminothermy smelting furnace as claimed in claim 1 is characterized in that: described body of heater (1) also comprises splashguard area (11), and described splashguard area (11) is detachably connected in the slag district (12); Described flame retardant coating (2) also comprises the splashguard area flame retardant coating (21) of knotting at splashguard area (11) inwall.
4. aluminothermy smelting furnace as claimed in claim 3 is characterized in that: the blade diameter length ratio of described splashguard area (11) is 1.2~2.
5. aluminothermy smelting furnace as claimed in claim 3 is characterized in that: described alloy cake district (13) all is connected by flange with splashguard area (11) with slag district (12), slag district (12).
6. aluminothermy smelting furnace as claimed in claim 3 is characterized in that: all circumferentially evenly be provided with four hooks (3) on the outer wall of described alloy cake district (13), slag district (12) and splashguard area (11).
7. as the described aluminothermy smelting furnace of the arbitrary claim of claim 1 to 6, it is characterized in that: described flame retardant coating (2) thickness reduces from the bottom to top gradually.
8. aluminothermy smelting furnace as claimed in claim 7 is characterized in that: the reduction rate of described flame retardant coating (2) is that every rising 1cm thickness reduces 1.3~1.7mm, knotting thickness 140~200mm bottom.
9. as the described aluminothermy smelting furnace of the arbitrary claim of claim 1 to 6, it is characterized in that: also comprise safe splash guard (4), described body of heater (1) is arranged in the safe splash guard (4), and described safe splash guard (4) comprises main cover body (41), the exhaust gases passes (42) that links to each other with main cover body (41), leads to charging aperture (43) in the body of heater (1) and the lighting-up tuyere (44) that is used to light a fire.
10. aluminothermy smelting furnace as claimed in claim 9 is characterized in that: also be provided with peephole on the described safe splash guard (4).
CN2011200890378U 2011-03-30 2011-03-30 Aluminothermy smelting furnace Expired - Fee Related CN202024590U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011200890378U CN202024590U (en) 2011-03-30 2011-03-30 Aluminothermy smelting furnace

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011200890378U CN202024590U (en) 2011-03-30 2011-03-30 Aluminothermy smelting furnace

Publications (1)

Publication Number Publication Date
CN202024590U true CN202024590U (en) 2011-11-02

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103484676A (en) * 2013-08-23 2014-01-01 大连融德特种材料有限公司 Method for processing intermediate alloy after aluminothermic reduction reaction
CN103484675A (en) * 2013-08-23 2014-01-01 大连融德特种材料有限公司 Method for breaking residue caused by aluminothermic reduction reaction for intermediate alloy

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103484676A (en) * 2013-08-23 2014-01-01 大连融德特种材料有限公司 Method for processing intermediate alloy after aluminothermic reduction reaction
CN103484675A (en) * 2013-08-23 2014-01-01 大连融德特种材料有限公司 Method for breaking residue caused by aluminothermic reduction reaction for intermediate alloy

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

Granted publication date: 20111102

Termination date: 20160330

CF01 Termination of patent right due to non-payment of annual fee