CN109136439A - With the top formula Thermal Equipment of ferrous waste production premium casting - Google Patents
With the top formula Thermal Equipment of ferrous waste production premium casting Download PDFInfo
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- CN109136439A CN109136439A CN201810766768.8A CN201810766768A CN109136439A CN 109136439 A CN109136439 A CN 109136439A CN 201810766768 A CN201810766768 A CN 201810766768A CN 109136439 A CN109136439 A CN 109136439A
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- furnace
- heat exchanger
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B11/00—Making pig-iron other than in blast furnaces
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
Abstract
The present invention provides a kind of top formula Thermal Equipment with ferrous waste production premium casting, it solves the prior art and needs fine fodder, hot blast temperature is low, consumption of raw materials is big, the problems such as molten steel quality is poor, it is characterized by: being provided with furnace body support platform (1) in fusion zone and charging band, furnace bottom is by cupola well (15), the removable frame of forehearth (14) and movable pulley vehicle (22) composition, enclosed burning room (2) are provided at furnace body feeding section (11) top feed opening (3), the multilayer closing through hot air heat exchanger of furnace gas (5) and top formula Double-layer hot-blast heat exchanger (6) are provided on combustion chamber (2), and air inlet (20) are provided on the through hot air heat exchanger of first layer (5) on combustion chamber, double-layer air pipe is set in top formula Double-layer hot-blast heat exchanger (6).Not only saving of labor's material-saving but also safety and environmental protection can form burner hearth " reproducibility combustion atmosphere ", and for molten iron temperature of coming out of the stove up to 1500~1530 DEG C, the molten iron after fusing can produce high-quality high-strength alloy casting, meet the needs of outlet lathe casting and domestic and international various trade mark casting.
Description
Technical field:
The invention belongs to smelting equipments, particularly with regard to a kind of top formula using ferrous waste remanufacture high duty alloy casting
Hot air blast furnace.
Background technique:
The existing production casting in China is needed using good base iron or fine fodder as raw material, and existing furnace cupola, smelting furnace are all furnaces
Body is using feed opening as the traditional approach of benchmark effective height, and some is in feed opening hot-blast stove chamber arranged below, and some is in feed opening
Arrangement above combustion chamber, interior are equipped with various forms of heat exchangers, although they have, structure is relatively simple, manufacturing cost is more low
Advantage, but it is short, hot blast temperature is low, fuel consumption is big, high production cost there are the furnace chamber heat exchanger service life the problems such as, when each blowing out
Need to get through furnace bottom, material of both having taken a lot of work, there is also security risks.Especially China is limited control to the cupola furnace of coke production
Production, main cause are that the discharges such as sulfur dioxide, hydroxide, dust in exhaust gas discharge are difficult to reach Con trolling index.
Summary of the invention:
It is an object of the invention to provide it is a kind of it is scientific and reasonable for structure, operate with safety, convenient, high-efficiency environment friendly section easy to maintenance
The top formula hot air blast furnace using ferrous waste remanufacture high duty alloy casting of energy.
Technical solution of the present invention: with ferrous waste production premium casting top formula Thermal Equipment be by furnace bottom, fusion zone,
Feed band and combustion chamber etc. is constituted, and is provided with furnace body support platform in fusion zone and charging band, furnace bottom be by cupola well, furnace foot,
The removable frame of the compositions such as forehearth and movable pulley vehicle.Cupola well is fixedly mounted on movable pulley vehicle by furnace foot, the fixed peace of forehearth
On movable pulley vehicle, Overbridge device is provided between cupola well and forehearth, movable pulley vehicle bottom is provided with and sets in grade level
The pulley and air pressure lifting cylinder that the guide rail set matches.Tapping sink is provided in front of forehearth, rear side side is provided with cleanout door
And dirt-excluding groove, and be provided at molten iron discharging trough base plane and connect molten iron lane slot.It is set at the feed opening of furnace body feeding section top
Enclosed burning room has been set, has been provided with automatic-sealed cover board arrangement above feed opening.Multilayer closed furnace is provided in ceiling of burning
The through hot air heat exchanger of gas and top formula Double-layer hot-blast heat exchanger, and set on the through hot air heat exchanger of first layer on combustion chamber
Air inlet is set.The through hot air heat exchanger is made of upper lower flange, square shell, upper and lower cover plates and heat-dissipating cylinder etc.,
Heat-dissipating cylinder 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 exchange
Device is made of semicircle shell, inner wall bent plate, bottom plate and double-layer air pipe etc., inner wall bent plate surface uniform welding radiation rib,
Top is provided with venting device, the exhaust gas air inlet of air hose connection multistage rotary dust collector, folder in the discharge exhaust gas of double-layer air pipe
Layer annular heat air hose is connected with the hot air circulation bellows chamber being arranged at the top of fusion zone.
The beneficial effects of the present invention are: due to will state-of-the-art combustion chamber built-in heat exchanger structure of modification be on the market at present
Overhead Multi-layer exchanging heat device, to make combustion chamber that space be fully sealed at one, furnace gas is the burning of low charcoal, forms reproducibility and is easy to take off
Sulphur, denitration advantage；Heat exchanger is outer bare multilayered structure, is bolt-connection between every layer, damage can timely repair；Top
The double-layer air pipe structure of formula Double-layer hot-blast heat exchanger makes interior air hose discharge exhaust gas to multiple wet-type dust collector, has sealing performance
Well, the advantages that safety and environmental protection, and the hot wind after exchange is directly delivered to bellows by interlayer air hose, and exhaust gas in furnace is made full use of to obtain
Heat source is obtained, to greatly reduce coke consumption amount, saves mass energy.Furnace bottom is designed as removable frame, can be timely after blowing out
Furnace bottom is moved into melting furnace bottom by rolling type transmission device, can not only knock out remaining high-temp. furnace material in furnace in time, but also really
Operator's safety in production is protected.
The present invention will be further explained below with reference to the attached drawings.
Detailed description of the invention:
Fig. 1 is overall structure main view partial cutaway schematic of the present invention；
Fig. 2 is that furnace bottom of the present invention removes state overall structure main view partial cutaway schematic；
Fig. 3 is furnace bottom left view structural representation of the present invention；
Fig. 4 is top formula Double-layer hot-blast heat exchanger left view structural representation of the present invention；
Fig. 5 is top formula Double-layer hot-blast heat exchanger schematic view of the front view of the present invention；
Fig. 6 is the through hot air heat exchanger schematic view of the front view of the present invention；
Fig. 7 is the through hot air heat exchanger overlooking structure diagram of the present invention.
In figure: 1 is support platform, and 2 be combustion chamber, and 3 be feed opening, 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 is discharge air hose in exhaust gas, and 9 be interlayer annular heat
Air hose, 10 be hot air circulation bellows chamber, and 11 be furnace body feeding section, and 12 be hot wind connecting tube, and 13 be fusion zone bellows, and 14 be forehearth,
15 be cupola well, and 16 be furnace foot, and 17 be grade level, and 18 be pulley, and 19 be lifting cylinder, and 20 be air inlet, and 21 be to connect hot-metal car
Road slot, 22 be movable pulley vehicle, 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 plate, 29,30 be Overbridge device, and 31 be tapping sink, and 32 be cleanout door, and 33 be dirt-excluding groove, and 34 be half
Circular housing, 35 be inner wall bent plate, and 36 be bottom plate.
Specific embodiment:
It as shown in Figure 1 and Figure 2, is by furnace bottom, fusion zone, charging band with the top formula Thermal Equipment of ferrous waste production premium casting
It is constituted with combustion chamber etc., is provided with furnace body support platform 1 in fusion zone and charging band.Furnace bottom is by cupola well 15, furnace foot 16, preceding
The removable frame of the compositions such as furnace 14 and movable pulley vehicle 22, cupola well 15 is fixedly mounted on movable pulley vehicle 22 by furnace foot 16, preceding
Furnace 14 is fixedly mounted on movable pulley vehicle 22, and Overbridge device 30 is provided between cupola well 15 and forehearth 14.22 bottom of movable pulley vehicle
Provided with the pulley 18 and air pressure lifting cylinder 19 matched with the guide rail being arranged in grade level 17, it is provided in front of forehearth 14
Tapping sink 31, rear side side are provided with cleanout door 32 and dirt-excluding groove 33, and are provided at 31 grade level of tapping sink and connect iron
Waterwheel road slot 21.It is provided with enclosed burning room 2 at 11 top feed opening 3 of furnace body feeding section, is provided with certainly above feed opening 3
Dynamic sealing cover board arrangement 4.The through hot air heat exchanger 5 of two layers of closing furnace gas and top formula Double-layer hot-blast are provided on the top of combustion chamber 2
Heat exchanger 6, and air inlet 20 is provided on the through hot air heat exchanger 5 of first layer on combustion chamber.The through hot wind changes
Hot device 5 is made of upper lower flange 25, square shell 26, upper cover plate 27, lower cover plate 28 and heat-dissipating cylinder 24,24 outer surface of heat-dissipating cylinder
Uniform welding has radiation rib 23, is staggered and is welded on upper cover plate 27 and lower cover plate 28.Top formula Double-layer hot-blast heat exchanger 6 is
It is made of semicircle shell 34, inner wall bent plate 35, bottom plate 36 and double-layer air pipe, 35 surface uniform welding radiation rib of inner wall bent plate
23, top is provided with venting device 7.Air hose 8 connects the exhaust gas air inlet of multistage rotary dust collector in the discharge exhaust gas of double-layer air pipe,
Its interlayer annular heat air hose 9 is connected with the hot air circulation bellows chamber 10 being arranged at the top of fusion zone.When implementing the present invention, pass through first
The movable pulley vehicle 22 of furnace bottom is pushed into furnace body fusion zone bottom by rolling type transmission device, then uses pressure liftable oil cylinder 19 by furnace
Bottom jacks up upwards is in close contact itself and furnace body fusion zone bottom, then accomplishes fluently wedge in furnace bottom and grade level 17.Then lead to
It crosses feed inlet 3 ferrous waste of recycling and char barriers are successively added, lighting coke makes its burning, automatic-sealed cover board arrangement
4 is closed by feed opening 3, and the exhaust gas in combustion chamber 2 after burning is from the heat-dissipating cylinder in the through hot air heat exchanger 5 of two-stage at the top of it
It is upward through in 24, then air hose 8 is sent to multistage dedusting in the discharge exhaust gas for passing through double-layer air pipe in top formula Double-layer hot-blast heat exchanger 6
In device, and the cold air that the air inlet that through 5 lower part of hot air heat exchanger of the 2 top first order of combustion chamber is arranged in certainly enters, lead to
It crosses after carrying out heat exchange with high-temp waste gas and constantly heats up upwards, the interlayer heat of double-layer air pipe in self-jacking type Double-layer hot-blast heat exchanger 6
Air hose 9 is sent to the hot air circulation bellows chamber 10 being arranged at the top of fusion zone, is sent using hot wind connecting tube 12 to fusion zone bellows 13
It is interior, participate in burning in fusion zone.Molten iron and clinker after fusing fall into cupola well 15, flow into forehearth 14, iron by Overbridge device 30
The inflow of tapping sink 31 that water is arranged from front of forehearth 14, which is placed on, connects connecing in molten iron wagon box in molten iron lane slot 21, then send
Qualified high-strength alloy casting, the cleanout door 32 and dirt-excluding groove that clinker is arranged from 14 rear side side of forehearth are produced to foundry
33 discharges.When needing blowing out, the wedge between movable pulley vehicle 22 and grade level 17 need to be only destroyed, pressure liftable oil cylinder is put down
19, furnace bottom is removed from lower portion of furnace body with scrolling transmission device, remaining high-temp. furnace material in fusion zone can be knocked out in time, avoided
It requires to get through the problem of furnace bottom after each blowing out of traditional smelting furnace, not only saving of labor's material-saving but also safety and environmental protection, 100% can use
Ferrous waste, hot blast temperature are formed burner hearth " reproducibility combustion atmosphere ", essence scaling loss is come out of the stove less than 10% up to 300 DEG C or more
For molten iron temperature up to 1500~1530 DEG C, the molten iron after fusing can produce high-quality high-strength alloy casting, meet outlet lathe casting
With the needs of domestic and international various trade mark casting.
Claims (2)
1. a kind of top formula Thermal Equipment with ferrous waste production premium casting, it includes furnace bottom, fusion zone, charging band and burning
Room (2), it is characterised in that: be provided with furnace body support platform (1) in fusion zone and charging band, furnace bottom is by cupola well (15), furnace
The removable frame of foot (16), forehearth (14) and movable pulley vehicle (22) composition, at furnace body feeding section (11) top feed opening (3)
Provided with enclosed burning room (2), automatic-sealed cover board arrangement (4) are provided with above feed opening (3), are set on combustion chamber (2) top
The multilayer closing through hot air heat exchanger of furnace gas (5) and top formula Double-layer hot-blast heat exchanger (6), and the first layer on combustion chamber are set
Air inlet (20) are provided on through hot air heat exchanger (5), double-layer air pipe is set in top formula Double-layer hot-blast heat exchanger (6).
2. the top formula Thermal Equipment according to claim 1 with ferrous waste production premium casting, it is characterised in that: described
Furnace bottom is made of cupola well (15), furnace foot (16), forehearth (14) and movable pulley vehicle (22), and cupola well (15) is fixed by furnace foot (16)
It is mounted on movable pulley vehicle (22), forehearth (14) is fixedly mounted on movable pulley vehicle (22), between cupola well (15) and forehearth (14)
Provided with Overbridge device (30), movable pulley vehicle (22) bottom is provided with the cunning matched with the guide rail being arranged on grade level (17)
(18) and air pressure lifting cylinder (19) are taken turns, is provided with tapping sink (31) in front of forehearth (14), rear side side is provided with cleanout door
(32) and dirt-excluding groove (33) it is provided with, and at the corresponding grade level of tapping sink (31) and connects molten iron lane slot (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810766768.8A CN109136439A (en) | 2018-07-13 | 2018-07-13 | With the top formula Thermal Equipment of ferrous waste production premium casting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810766768.8A CN109136439A (en) | 2018-07-13 | 2018-07-13 | With the top formula Thermal Equipment of ferrous waste production premium casting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109136439A true CN109136439A (en) | 2019-01-04 |
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ID=64800463
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810766768.8A Pending CN109136439A (en) | 2018-07-13 | 2018-07-13 | With the top formula Thermal Equipment of ferrous waste production premium casting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109136439A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022011756A1 (en) * | 2020-07-15 | 2022-01-20 | 浙江伟博环保设备科技股份有限公司 | Incinerator waste residue plasma treatment device |
-
2018
- 2018-07-13 CN CN201810766768.8A patent/CN109136439A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022011756A1 (en) * | 2020-07-15 | 2022-01-20 | 浙江伟博环保设备科技股份有限公司 | Incinerator waste residue plasma treatment device |
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Legal Events
| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190104 |
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| WD01 | Invention patent application deemed withdrawn after publication |