CN206399178U - Top formula hot air blast furnace - Google Patents
Top formula hot air blast furnace Download PDFInfo
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- CN206399178U CN206399178U CN201720024993.5U CN201720024993U CN206399178U CN 206399178 U CN206399178 U CN 206399178U CN 201720024993 U CN201720024993 U CN 201720024993U CN 206399178 U CN206399178 U CN 206399178U
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Abstract
The utility model provides a kind of top formula hot air blast furnace, and it, which solves prior art, needs the problems such as fine fodder, hot blast temperature are low, consumption of raw materials is big, molten steel quality is poor, it is characterised in that：Body of heater support platform is provided with fusion zone and charging band（1）, furnace bottom is by cupola well（15）, forehearth（14）With movable pulley car（22）The removable frame of composition, in body of heater feeding section（11）Top charge door（3）Place is provided with enclosed burning room（2）, combustion chamber（2）On be provided with multilayer closing the through hot air heat exchanger of furnace gas（5）With top formula Double-layer hot-blast heat exchanger（6）, and the through hot air heat exchanger of first layer on combustion chamber（5）It is upper to be provided with air inlet（20）, push up formula Double-layer hot-blast heat exchanger（6）Interior setting double-layer air pipe.Not only saving of labor's material-saving but also safety and environmental protection, can form burner hearth " reproducibility combustion atmosphere ", and molten iron temperature of coming out of the stove is up to 1500~1530 DEG C, and the molten iron after fusing can produce high-quality high-strength alloy casting, the need for meeting outlet lathe casting and domestic and international various trade mark casting.
Description
Technical field：
The utility model belongs to smelting equipment, particularly with regard to a kind of top of utilization ferrous waste remanufacture ironcasting
Formula hot air blast furnace.
Background technology：
The existing production casting of China is needed using the base iron or fine fodder of high-quality as raw material, and existing furnace cupola, smelting furnace are all
The traditional approach of shaft effective depth on the basis of charge door, have in charge door hot-blast stove chamber arranged below, what is had is adding
Material mouth arrangement above combustion chamber, interior is provided with various forms of heat exchangers, although they have, structure is relatively simple, manufacturing cost compared with
Low advantage, but there are problems that furnace chamber heat exchanger short life, hot blast temperature are low, fuel consumption is big, production cost, stop every time
Need to get through furnace bottom during stove, material of both having taken a lot of work also has potential safety hazard.Especially China with the cupola furnace of coke production to being subject to
Limit control production, main cause is that the discharges such as sulfur dioxide, hydroxide, dust in waste gas discharge are difficult to reach Con trolling index.
The content of the invention：
The purpose of this utility model be just to provide it is a kind of it is scientific and reasonable for structure, operate with safety, convenient, height easy to maintenance
Imitate the top formula hot air blast furnace of the utilization ferrous waste remanufacture ironcasting of environmental protection and energy saving.
The technical solution of the utility model：Top formula hot air blast furnace is by furnace bottom, fusion zone, the charging structure such as band and combustion chamber
Into, fusion zone and charging band be provided with body of heater support platform, furnace bottom is by groups such as cupola well, stove pin, forehearth and movable pulley cars
Into removable frame.Cupola well is fixedly mounted on movable pulley car by stove pin, and forehearth is fixedly mounted on movable pulley car, cupola well
Overbridge device is provided between forehearth, movable pulley underbody portion is provided with the pulley being engaged with the guide rail set in grade level
With air pressure hoist cylinder.The tank that taps a blast furnace is provided with front of forehearth, rear side side is provided with cleanout door and dirt-excluding groove, and in the tank that taps a blast furnace
It is provided with grade level and connects molten iron track groove.Enclosed burning room is provided with the charge door of body of heater feeding section top, is fed
Automatic-sealed cover board arrangement is provided with above mouthful.The multilayer closing through hot air heat exchanger of furnace gas and top are provided with ceiling of burning
Formula Double-layer hot-blast heat exchanger, and on combustion chamber on the through hot air heat exchanger of first layer be provided with air inlet.It is described through
Hot air heat exchanger is made up of upper lower flange, square shell, upper and lower cover plates and heat-dissipating cylinder etc., and radiating tube outer surface uniform welding has
Radiation rib, is staggered and is welded in upper and lower cover plates.The top formula Double-layer hot-blast heat exchanger is curved by semicircle shell, inwall
Plate, bottom plate and double-layer air pipe etc. are constituted, inwall bent plate surface uniform welding radiation rib, and top is provided with venting device, double
Airduct connects the waste gas air inlet of multistage rotary dust collector in the discharge waste gas of layer airduct, and its interlayer annular heat airduct is with being arranged on fusing
Hot air circulation bellows chamber with top is connected.
The beneficial effects of the utility model are：Due to by state-of-the-art combustion chamber built-in heat exchanger structure changes on the market at present
Make as overhead Multi-layer exchanging heat device, so that space is fully sealed into one in combustion chamber, furnace gas is the burning of low charcoal, forms reproducibility and holds
The advantage of easy desulphurization and denitration；It is bolt-connection between outer bare sandwich construction, every layer that heat exchanger, which is, and damage can be changed in time
Repair；The double-layer air pipe structure of top formula Double-layer hot-blast heat exchanger, makes interior airduct discharge waste gas to multiple wet-type dust collector, with sealing
Performance is good, safety and environmental protection the advantages of, and the hot blast after exchange is directly delivered to bellows by interlayer airduct, is made full use of in stove and is given up
Gas obtains thermal source, so as to greatly reduce coke consumption amount, saves mass energy.Furnace bottom is designed as removable frame, can after blowing out
Furnace bottom is moved into melting furnace bottom by rolling type transmission device in time, remaining high-temp. furnace material in stove can have both been knocked out in time,
In turn ensure that operating personnel keep the safety in production.
The utility model is described in further detail below in conjunction with the accompanying drawings.
Brief description of the drawings：
Fig. 1 is the utility model overall structure main view partial cutaway schematic；
Fig. 2 is that the utility model furnace bottom removes state overall structure main view partial cutaway schematic；
Fig. 3 is the utility model furnace bottom left view structural representation；
Fig. 4 is the utility model top formula Double-layer hot-blast heat exchanger left view structural representation；
Fig. 5 is the utility model top formula Double-layer hot-blast heat exchanger main structure diagram；
Fig. 6 is the through hot air heat exchanger main structure diagram of the utility model；
Fig. 7 is the through hot air heat exchanger overlooking the structure diagram of the utility model；
Fig. 8 is the utility model cupola well main structure diagram；
Fig. 9 is the utility model cupola well overlooking the structure diagram；
Figure 10 is the utility model forehearth main structure diagram；
Figure 11 is the utility model forehearth overlooking the structure diagram.
In figure：1 is support platform, and 2 be combustion chamber, and 3 be charge door, and 4 be automatic-sealed cover board arrangement, and 5 be through heat
Wind heat exchanger, 6 be top formula Double-layer hot-blast heat exchanger, and 7 be venting device, and 8 be interlayer annular heat for airduct in discharge waste gas, 9
Airduct, 10 be hot air circulation bellows chamber, and 11 be body of heater feeding section, and 12 be hot blast connecting tube, and 13 be fusion zone bellows, and 14 be forehearth,
15 be cupola well, and 16 be stove pin, and 17 be grade level, and 18 be pulley, and 19 be hoist cylinder, and 20 be air inlet, and 21 be to connect hot-metal car
Road groove, 22 be movable pulley car, and 23 be radiation rib, and 24 be heat-dissipating cylinder, and 25 be flange, and 26 be square shell, and 27 be upper cover plate, 28
It is cupola well bottom plate for lower cover, 29,30 be Overbridge device, and 31 be the tank that taps a blast furnace, and 32 be cleanout door, and 33 be dirt-excluding groove, and 34 be half
Circular housing, 35 be inwall bent plate, and 36 be bottom plate.
Embodiment：
As shown in Figure 1 and Figure 2, top formula hot air blast furnace is made up of furnace bottom, fusion zone, charging band and combustion chamber etc., molten
Change band and charging band is provided with body of heater support platform 1.Furnace bottom is by cupola well 15, stove pin 16, forehearth 14 and movable pulley car 22 etc.
The removable frame of composition, cupola well 15 is fixedly mounted on movable pulley car 22 by stove pin 16, and forehearth 14 is fixedly mounted on slip
Take turns on car 22, Overbridge device 30 is provided between cupola well 15 and forehearth 14.The bottom of movable pulley car 22 is provided with and grade level 17
Pulley 18 and air pressure hoist cylinder 19 that the guide rail of upper setting is engaged, the front of forehearth 14 are provided with tap a blast furnace tank 31, rear side side
There is provided cleanout door 32 and dirt-excluding groove 33, and it is provided with the grade level of tank 31 of tapping a blast furnace and connects molten iron track groove 21.In body of heater
Enclosed burning room 2 is provided with the top charge door 3 of feeding section 11, the top of charge door 3 is provided with automatic-sealed cover board arrangement 4.
Two layers of closing through hot air heat exchanger 5 of furnace gas and top formula Double-layer hot-blast heat exchanger 6 are provided with the top of combustion chamber 2, and in burning
Air inlet 20 is provided with room on the through hot air heat exchanger 5 of first layer.The through hot air heat exchanger 5 is by upper lower flange
25th, square shell 26, upper cover plate 27, lower cover 28 and heat-dissipating cylinder 24 are constituted, and the outer surface uniform welding of heat-dissipating cylinder 24 has radiating ribs
Piece 23, is staggered and is welded on upper cover plate 27 and lower cover 28.Top formula Double-layer hot-blast heat exchanger 6 be by semicircle shell 34,
Inwall bent plate 35, bottom plate 36 and double-layer air pipe composition, the surface uniform welding radiation rib 23 of inwall bent plate 35, top is provided with anti-
Seam broken device 7.Airduct 8 connects the waste gas air inlet of multistage rotary dust collector, its interlayer circular hot air in the discharge waste gas of double-layer air pipe
Pipe 9 is connected with the hot air circulation bellows chamber 10 being arranged at the top of fusion zone.When implementing the utility model, it is driven first by rolling type
The movable pulley car 22 of furnace bottom is pushed into body of heater fusion zone bottom by device, then using pressure liftable oil cylinder 19 by the upward jack-up of furnace bottom
Itself and body of heater fusion zone bottom are in close contact, then wedge is accomplished fluently in furnace bottom and grade level 17.Then will by charging aperture 3
The ferrous waste and char barriers of recovery are successively added, and lighting coke makes it burn, and automatic-sealed cover board arrangement 4 is by charge door 3
Closed, the waste gas after being burnt in combustion chamber 2 is worn upwards from the heat-dissipating cylinder 24 in the through hot air heat exchanger 5 of two-stage at the top of it
Cross, then airduct 8 is delivered in multistage rotary dust collector in the discharge waste gas of double-layer air pipe by pushing up in formula Double-layer hot-blast heat exchanger 6, and from
The cold air that the air inlet of the through bottom of hot air heat exchanger 5 of the top first order of combustion chamber 2 enters is arranged on, by useless with high temperature
Gas constantly heated up upwards after heat exchange, and the interlayer warm-air pipe 9 of double-layer air pipe, which is delivered to, in self-jacking type Double-layer hot-blast heat exchanger 6 sets
The hot air circulation bellows chamber 10 at the top of fusion zone is put, then is delivered to by hot blast connecting tube 12 in fusion zone bellows 13, fusing is participated in
With interior burning.Molten iron and clinker after fusing fall into cupola well 15, flow into forehearth 14 by Overbridge device 30, molten iron is from before forehearth 14
The tank 31 that taps a blast furnace of side's setting, which flows into be placed on, connects connecing in molten iron wagon box in molten iron track groove 21, is then sent to foundry's life
The qualified high-strength alloy casting of output, the cleanout door 32 and dirt-excluding groove 33 that clinker is set from the rear side side of forehearth 14 is discharged.When need
When wanting blowing out, the wedge that need to only destroy between movable pulley car 22 and grade level 17 puts down pressure liftable oil cylinder 19, passed with scrolling
Dynamic device removes furnace bottom from lower portion of furnace body, you can knock out remaining high-temp. furnace material in fusion zone in time, it is to avoid traditional melting
It is required for getting through the problem of furnace bottom after each blowing out of stove, not only saving of labor's material-saving but also safety and environmental protection, 100% can uses ferrous waste,
Hot blast temperature forms burner hearth " reproducibility combustion atmosphere " up to more than 300 DEG C, and essence scaling loss is less than 10%, and molten iron temperature of coming out of the stove reaches
1500~1530 DEG C, the molten iron after fusing can produce high-quality high-strength alloy casting, meet outlet lathe casting and each both at home and abroad
The need for planting trade mark casting.
Claims (3)
1. a kind of top formula hot air blast furnace, it includes furnace bottom, fusion zone, charging band and combustion chamber（2）, it is characterised in that：Molten
Change band and charging band is provided with body of heater support platform（1）, furnace bottom is by cupola well（15）, stove pin（16）, forehearth（14）And slip
Take turns car（22）The removable frame of composition, in body of heater feeding section（11）Top charge door（3）Place is provided with enclosed burning room
（2）, charge door（3）Top is provided with automatic-sealed cover board arrangement（4）, combustion chamber（2）Multilayer closing furnace gas is provided with top to pass through
Formula hot air heat exchanger（5）With top formula Double-layer hot-blast heat exchanger（6）, and the through hot air heat exchanger of first layer on combustion chamber
（5）It is upper to be provided with air inlet（20）, push up formula Double-layer hot-blast heat exchanger（6）Interior setting double-layer air pipe.
2. formula hot air blast furnace in top according to claim 1, it is characterised in that：The furnace bottom is by cupola well（15）, stove pin
（16）, forehearth（14）With movable pulley car（22）Composition, cupola well（15）Pass through stove pin（16）It is fixedly mounted on movable pulley car（22）On,
Forehearth（14）It is fixedly mounted on movable pulley car（22）On, cupola well（15）With forehearth（14）Between be provided with Overbridge device（30）, it is sliding
Driving wheel car（22）Bottom is provided with and grade level（17）The pulley that the guide rail of upper setting is engaged（18）With air pressure hoist cylinder
（19）, forehearth（14）Front is provided with the tank that taps a blast furnace（31）, rear side side is provided with cleanout door（32）And dirt-excluding groove（33）, and going out
Molten iron tank（31）It is provided with corresponding grade level and connects molten iron track groove（21）.
3. formula hot air blast furnace in top according to claim 1 or 2, it is characterised in that：The through hot air heat exchanger（5）
It is by upper lower flange（25）, square shell（26）, upper cover plate（27）, lower cover（28）And heat-dissipating cylinder（24）Composition, heat-dissipating cylinder
（24）Outer surface uniform welding has radiation rib（23）, it is staggered and is welded on upper cover plate（27）And lower cover（28）On；It is described
Top formula Double-layer hot-blast heat exchanger（6）It is by semicircle shell（34）, inwall bent plate（35）, bottom plate（36）Constituted with double-layer air pipe,
Inwall bent plate（35）Surface uniform welding radiation rib（23）, top is provided with venting device（7）, the discharge of double-layer air pipe gives up
Airduct in gas（8）Connect the waste gas air inlet of multistage rotary dust collector, its interlayer annular heat airduct（9）With being arranged at the top of fusion zone
Hot air circulation bellows chamber（10）It is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720024993.5U CN206399178U (en) | 2017-01-10 | 2017-01-10 | Top formula hot air blast furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720024993.5U CN206399178U (en) | 2017-01-10 | 2017-01-10 | Top formula hot air blast furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206399178U true CN206399178U (en) | 2017-08-11 |
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ID=59513175
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720024993.5U Active CN206399178U (en) | 2017-01-10 | 2017-01-10 | Top formula hot air blast furnace |
Country Status (1)
| Country | Link |
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| CN (1) | CN206399178U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106705646A (en) * | 2017-01-10 | 2017-05-24 | 陈海涛 | Top type hot air melting furnace for producing high-quality castings by iron and steel waste materials |
| CN107726844A (en) * | 2017-11-20 | 2018-02-23 | 山西博邦机械制造有限公司 | Energy saving and environment friendly totally-enclosed blast-heating cupola |
| CN113604618A (en) * | 2021-08-04 | 2021-11-05 | 何达 | Intelligent equipment for promoting rapid temperature rise of blast furnace hearth |
-
2017
- 2017-01-10 CN CN201720024993.5U patent/CN206399178U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106705646A (en) * | 2017-01-10 | 2017-05-24 | 陈海涛 | Top type hot air melting furnace for producing high-quality castings by iron and steel waste materials |
| CN107726844A (en) * | 2017-11-20 | 2018-02-23 | 山西博邦机械制造有限公司 | Energy saving and environment friendly totally-enclosed blast-heating cupola |
| CN113604618A (en) * | 2021-08-04 | 2021-11-05 | 何达 | Intelligent equipment for promoting rapid temperature rise of blast furnace hearth |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230414 Address after: 438000 Building 4, 171 Baota Avenue, Huangzhou District, Huanggang City, Hubei Province Patentee after: HUANGGANG SANDA MACHINERY Co.,Ltd. Address before: No. 77 Shengli Street, Huangzhou District, Huanggang City, Hubei Province, 438000 Patentee before: Chen Haitao |
|
| TR01 | Transfer of patent right |