CN206572975U - The oxygen-enriched side-blowing intensified smelting stove of the energy leaded secondary material of efficient process - Google Patents
The oxygen-enriched side-blowing intensified smelting stove of the energy leaded secondary material of efficient process Download PDFInfo
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- CN206572975U CN206572975U CN201720243894.6U CN201720243894U CN206572975U CN 206572975 U CN206572975 U CN 206572975U CN 201720243894 U CN201720243894 U CN 201720243894U CN 206572975 U CN206572975 U CN 206572975U
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- 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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- 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
- Y02P10/25—Process efficiency
Abstract
The utility model discloses a kind of oxygen-enriched side-blowing intensified smelting stove of the energy leaded secondary material of efficient process.Side blowing smelting furnace of the present utility model, including furnace roof, shaft, cupola well, slag road, external crucible, charge door, flue, water jacket of flue, side-blown blast orifice, oxygen-rich mixture cylinder, slag outlet and charging thimble；The furnace roof is arranged above shaft, the shaft is arranged above cupola well, slag road two ends are respectively communicated with the cupola well and external crucible, the charge door and flue are arranged at the top of the furnace roof, the flue inner wall is provided with the water jacket of flue, the side-blown blast orifice is arranged in shaft two bottom sides, the side-blown blast orifice and is respectively arranged with tuyere, and the tuyere is connected with oxygen-rich mixture cylinder；The slag outlet and charging thimble are arranged at the external crucible；The water jacket of flue is to be provided with waterfog head in atomization water jacket, the interior separate space of the water jacket of flue, and the waterfog head connects water pump by water pipe.
Description
Technical field
The utility model is related to a kind of metallurgical smelting unit, more particularly to a kind of richness of the energy leaded secondary material of efficient process
The side-blown intensified smelting stove of oxygen.
Background technology
From the secondary material of other leaded metallurgical slags（Main leaded, bismuth, gold and silver）Reclaiming rare precious metal has larger warp
Ji and the value of environmental protection.But, national policy is very high to the secondary material processing requirement of leaded metallurgical slag, will especially in terms of discharge
Ask high.
In order to be recycled and harmlessness disposing to secondary solid waste, side-blown converter, such as Wa Niukefu are usually used at present
Stove.Wa Niukefu stoves are mainly made up of cupola well, shaft, furnace roof etc..Cupola well is arranged on bottom and mainly formed by refractory material laying,
Shaft is mainly made up of Copper Water Jacket, and furnace roof is mainly made up of molten steel set.Oxygen-enriched entrance is each provided with shaft and cupola well both sides, it is interior
Footpath is 30-40mm, for blasting oxygen-enriched air into stove, material is stirred vigorously in cupola well and shaft, is rapidly completed molten
Refining and slag making.Furnace roof both sides are provided with air intake, for blasting air into stove, flue dust is further burnt discharge.
Although traditional side-blown converter increases flue, but dust rate still reaches to 3%.Moreover, three layers of body of heater all sets cross air blasting
Mouthful, the air that furnace roof air port is blasted makes the sulphur in flue dust generate sulfur dioxide, sulfur dioxide combination high temperature cigarette after further burning
Gas corrodes especially severe to water jacket.In addition, top water jacket uses circulating water, flue gas exit temperature still reaches to 1200 DEG C, led
Cause the refractory brick usually scaling loss of furnace roof exhanst gas outlet.
The side-blown converter of prior art can not the leaded secondary material of efficient process, it is impossible to oxygen-enriched air smelting is realized, in energy consumption and row
Aspect is put to be difficult to reach requirement.
Utility model content
The technical problems to be solved in the utility model is to provide that a kind of device damage is less, the energy efficient process of energy-conserving and environment-protective
The oxygen-enriched side-blowing intensified smelting stove of leaded secondary material.
In order to solve the above-mentioned technical problem, the oxygen-enriched side-blowing reinforcing of the energy leaded secondary material of efficient process of the present utility model
Smelting furnace, including furnace roof, shaft, cupola well, slag road, external crucible, charge door, flue, water jacket of flue, side-blown blast orifice, oxygen-enriched mixing
Cylinder, slag outlet and charging thimble；The furnace roof is arranged above shaft, and the shaft is arranged above cupola well, the slag
Road two ends are respectively communicated with the cupola well and external crucible, and the charge door and flue are arranged at the top of the furnace roof, and the flue is set
There is the water jacket of flue, the side-blown blast orifice is arranged in shaft two bottom sides, the side-blown blast orifice and is respectively arranged with wind
Mouth, the tuyere is connected with oxygen-rich mixture cylinder, and the slag outlet and charging thimble are arranged at the external crucible；The flue water
Cover and be provided with waterfog head to be atomized in water jacket, the interior separate space of the water jacket of flue, the waterfog head connects water by water pipe
Pump.
The waterfog head is evenly distributed with multiple row, waterfog head described in each column around the water jacket of flue in interior separate space
A distributive pipe is connected, the distributive pipe is connected with water-main, and the water-main connects the water pump.
The waterfog head is outside plug type shower nozzle, and the outer wall of the water jacket of flue is provided with threaded connection hole, the screw thread
Connecting hole is connected with the interior separate space of the water jacket of flue, and the waterfog head is threadedly connected to the threaded connection hole from outside to inside
Interior, the distributive pipe is rubber water pipe, and the water-main is metallic water pipe.
Waterfog head is provided with multiple spray holes in end and sidepiece.
The flue sidepiece is additionally provided with air gun, and the spout of the air gun stretches into the discharge flue of the flue
Interior, the air gun outer end connects nitrogen preparation machine.
The water jacket of flue inwall is fixedly connected with reinforcement, and the reinforcement is fitted and connected with water jacket of flue inwall, institute
State and be fixedly connected by dowel between reinforcement.
The shaft inwall lays alumina firebrick, and hearth wall and side-blown blast orifice inwall lay high magnesium refractory brick.
The tuyere includes nose cone, bott stick and air duct base；The nose cone is connected with the airduct；The nose cone
It is provided with central axis hole；The air duct base includes tilting cartridge and the oxygen-enriched pipe of level；It is rich that the inclination cartridge is arranged on level
Connect above oxygen pipe and with the oxygen-enriched pipe of level；The oxygen-enriched pipe of level is connected and concentric with the central axis hole；It is described stifled
Stopper rod is socketed in the oxygen-enriched pipe of the level and central axis hole and tail end is connected by the oxygen-enriched pipe tail end of bolt and the level；Institute
State bott stick and be provided with axle center hole, described axle center hole one end is connected with the central axis hole, the other end by tracheae with it is described oxygen-enriched
Mixture cylinder is connected.
The central axis hole inwall of the nose cone is additionally provided with cooling copper tube, and the cooling copper tube is inserted in the bott stick end
It is interior.
The internal diameter of the side-blown blast orifice is 60-100mm.
The utility model has the advantages that：
The 1st, the side-blown blast orifice of one row is only respectively set in shaft both sides, and blast orifice quantity is less, reduces flue dust at furnace roof
In sulphur and the combination of oxygen burn again, so as to reduce the generation of sulfur dioxide, corrosion of the flue dust to top water jacket and flue
Less, and due to blasting air capacity reduce so that dust rate is reduced to about 1.5%.
2nd, flue sets water jacket of flue, and water jacket of flue is atomization water jacket, and water is produced in atomization water jacket by waterfog head
Mist is cooled down to water jacket of flue, and evenly, cooling is more efficient, and it is about 300 DEG C to make stack outlet temperature, it is possible to reduce flue for cooling
The discharge of scaling loss and flue dust, and because the water smoke in water jacket of flue is lighter compared to recirculated water weight so that water jacket of flue knot
Structure is simpler, and cost is lower.
3rd, nitrogen is sprayed into by air gun in flue, flue can be not only cooled, reduce the scaling loss of water jacket of flue, and
And nitrogen is inert gas, is not reacted with sulphur, reduces the generation of sulfur dioxide, so as to reduce the corrosion of water jacket of flue.
Oxygen-enriched side-blowing intensified smelting stove of the present utility model is compared with prior art（Identical smelting step）, blast in stove
Oxygen-enriched air can contain O from original221% brings up to containing O224-26%, so as to so that Lu Nei material meltings area temperature is improved
80-120 DEG C, and then secondary material process for producing ability 30% i.e. stove unit area processing inventory can be improved by original 35-
40t/(m2.d 45-50t/ (m) are brought up to2.d), burnt consumption reduction 20-25%, metal recovery rate improve 1.5-2%, flue dust and harmful gas
The discharge of body is greatly reduced, and device damage is less, can realize the leaded secondary material of economic and environment-friendly, efficient process, its item refers to
Mark is attained by national policy requirement, can be used with industrialization promotion.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
In figure：1- external crucibles, 2- slags road, 3- cupola wells, the side-blown blast orifices of 4-, 5- shafts, 6- furnace roofs, 7- water pipes, the spray of 8- water smokes
Head, 9- flues, 10- charge doors.
Embodiment
The utility model is described in detail with reference to the accompanying drawings and detailed description：
As shown in figure 1, the oxygen-enriched side-blowing intensified smelting stove of the energy leaded secondary material of efficient process of the present utility model, including
Furnace roof, shaft, cupola well, slag road, external crucible, charge door, flue, water jacket of flue, side-blown blast orifice, oxygen-rich mixture cylinder, clinker go out
Mouth and charging thimble.Furnace roof is arranged above shaft, and shaft is arranged above cupola well.Set respectively in furnace roof, shaft and cupola well
There is insulated water jacket.Slag road two ends are respectively communicated with cupola well and external crucible.Charge door and flue are arranged at the top of furnace roof, and flue inner wall is set
There is water jacket of flue.Side-blown blast orifice, which is arranged in shaft two bottom sides, side-blown blast orifice, is respectively arranged with tuyere, tuyere with it is oxygen-enriched
Mixture cylinder is connected, the industrial oxygen that air is sent with oxygen generating station, is mixed in oxygen-rich mixture cylinder, is made into oxygen concentration 24-28%'s
It is oxygen-enriched to be blasted by tuyere in stove.Slag outlet and charging thimble are arranged at external crucible.Water jacket of flue is atomization water jacket, water jacket of flue
Waterfog head is provided with interior separate space, waterfog head connects water pump by water pipe.Water jacket of flue will by refluxing opening and return duct
Opposing steam flow is to circulating cooling pond.Refluxing opening is arranged at the top of water jacket of flue.Water smoke can be quick by the heat of flue
As water vapour, conversion faster, cools rapider, and water smoke mobility more preferably, is more evenly distributed in cooling jacket.
The secondary solid waste material such as all kinds of leaded, bismuths, adds binding agent mixing, by Belt Conveying to balling press in batch mixer
There is the natural drying of agglomerate warehouse, various materials, such as coke, agglomerate, flux, by respective feed bin in briquetting in feed hopper, agglomerate heap
Proportioning mixing in proportion is added in stove through charge door.It is oxygen-enriched to be blown into through side-blown blast orifice and rich-oxygen nozzle in stove, make material in stove
Stirring, melting and slag making in cylinder and shaft.The clinker and matte of output flow into external crucible dilution, and external crucible adds reduction coal and natural gas
Combustion heating, clinker and matte are released by slag outlet and charging thimble respectively after external crucible stays for some time.The cigarette of output
Dirt enters desulfurizing tower, from chimney after two-step desulfurization tower desulfurization from the flue discharge on furnace roof after cooling stack, bag collection
Discharge flue gas.
As shown in figure 1, waterfog head is evenly distributed with multiple row around water jacket of flue in interior separate space.Each column waterfog head connects
A distributive pipe is connect, distributive pipe reconnects water-main, water-main connection water pump.More waterfog heads are uniformly distributed, water smoke is improved
Uniformity and promptness, improve cooling efficiency, reduce flue scaling loss.
As shown in figure 1, waterfog head is outside plug type shower nozzle, the outer wall of water jacket of flue is provided with threaded connection hole, and screw thread connects
Connect hole to connect with the interior separate space of water jacket of flue, waterfog head is threadedly connected in threaded connection hole from outside to inside.Outside plug type shower nozzle
Water jacket of flue is threadedly coupled, is more convenient to change, reduces the blocking of waterfog head, improve nebulization efficiency.Distributive pipe is rubber water pipe,
Water-main is metallic water pipe, and rubber distributive pipe is easier to turn, and is convenient for changing waterfog head, metal water-main is more firm.
As shown in figure 1, waterfog head is provided with multiple spray holes in end and sidepiece so that waterfog head not only can be with
Spray water smoke from end, and water smoke can be sprayed with sidepiece, water smoke amount is more, cooling-down effect more preferably, further reduce flue and
The scaling loss of water jacket of flue.
As shown in figure 1, flue sidepiece is additionally provided with air gun, the spout of air gun stretches into the discharge flue of flue
It is interior, the outer end outer end connection nitrogen preparation machine of air gun.Nitrogen preparation machine includes nitrogen production device and nitrogen air accumulator, nitrogen
Nitrogen is stored in compress in nitrogen air accumulator and cooled down by gas process units, and nitrogen is discharged to air gun, air by nitrogen air accumulator
Spray gun by nitrogen spray into flue discharge flue in, nitrogen does not react not only with flue dust, reduce sulfur dioxide generation and
Corrosion to flue, and flue dust can be cooled, so as to reduce scaling loss of the flue dust to flue.
As shown in figure 1, water jacket of flue inwall is uniformly fixedly connected with reinforcement, reinforcement is fitted company with water jacket of flue inwall
Connect, be fixedly connected between reinforcement by dowel.Reinforcement can be reduced between the deformation of water jacket of flue inwall, reinforcement
Dowel can reduce the deformation of reinforcement, so as to further reduce the deformation of water jacket of flue inwall, make water jacket of flue harder
Gu it is durable.
As shown in figure 1, shaft inwall lays alumina firebrick, hearth wall and side-blown blast orifice inwall lay high magnesium fire resisting
Brick.Alumina firebrick and high magnesium refractory brick, hardness is high, fusing point is high, can strengthen shaft inwall, hearth wall and side-blown air blast
The fastness and robustness of mouth.
As shown in figure 1, tuyere includes nose cone, bott stick and air duct base；Nose cone is connected with airduct；Nose cone is provided with
Central axis hole；Air duct base includes tilting cartridge and the oxygen-enriched pipe of level；Tilt cartridge be arranged on above the oxygen-enriched pipe of level and with
The oxygen-enriched pipe connection of level；The oxygen-enriched pipe of level is connected and concentric with central axis hole；Bott stick is socketed on the oxygen-enriched pipe of level and axis
In hole and tail end is connected by the oxygen-enriched pipe tail end of bolt and level；Bott stick is provided with axle center hole, axle center hole one end and axis
Hole is connected, and the other end is connected by tracheae with oxygen-rich mixture cylinder., can be from inclining by setting tuyere, it is necessary to when supplementing fuel
Oblique cartridge is added, and is blown into by the oxygen-enriched of axle center hole of the bott stick in the oxygen-enriched pipe of level in stove, using more convenient.
As shown in figure 1, the central axis hole inwall of nose cone is additionally provided with cooling copper tube, cooling copper tube is inserted in bott stick end
It is interior.Cooling copper tube can avoid blocking the temperature overheating of club head.
As shown in figure 1, the internal diameter of side-blown blast orifice is 60-100mm.Side-blown blast orifice internal diameter is from existing 30-40mm
Increase to 60-100mm, it is more that side-blown blast orifice can blast oxygen-enriched and fuel, is easy to the abundant burning melting of furnace charge.
Smelting furnace performance of the present utility model is exemplified below：
1st, raw material：Raw materials used is the leaded of province's Room approved, bismuth, tellurium, non-ferrous metal metallurgy slag, flue dust of gold, silver etc.
Dangerous solid waste.Slag type is SiO223-32%, FeO 30-40%, CaO15-18%, MgO 2-3%, Al2O31-3%, Pb≤1.0%.
2nd, coke：Fixed carbon 75-80%, ash content ＜ 16%, calorific capacity 26-29MJ/kg, lumpiness 50-100mm.
3rd, flux：Iron ore Fe >=58%, lumpiness 30-50mm；Lime stone CaO >=65%, lumpiness 30-50mm；Quartz
SiO2>=85%, lumpiness 30-50mm.
4th, step（Compared with technology）：
1. mixing, dispensing, briquetting：All kinds of leaded, bismuth materials, add binding agent mixing in batch mixer, mixed mixed
Close material and contain Pb >=27%, H2O-8%, it is desirable to which batch mixing is uniform, without obvious color change.Mixed compound, by Belt Conveying to pressure
Briquetting, the fragment of brick of briquetting lumpiness 60 × 150 × 240 in group's machine feed hopper.
2. dry：Material after briquetting is aqueous higher, and bad mechanical strength, the gas permeability of furnace charge in shaft smelting
The reduction of lead, it must be dried entering stokehold in difference, influence material, and the agglomerate heap after briquetting has agglomerate warehouse to be done naturally
Dry 3-4 days, containing H2O≤5%, then adds blast furnace.Dried agglomerate delivers to charging blast furnaces bucket by trolley.
3. the closed intensified smelting of oxygen-enriched side-blowing：It is closed molten that various materials match addition oxygen-enriched side-blowing in proportion by respective feed bin
Furnace, the order that smelting furnace is fed every time is：Coke-leaded, bismuth agglomerate-flux.The industrial oxygen purity that oxygen oxygen generating station is sent
Wei≤93%, through oxygen storage tank（Pressure cylinder）Mixed with the air that air blower is sent（Ratio is 100m3Air：4-5m3Oxygen
Gas, is adjusted by gas flowmeter）, the oxygen-containing 24-26% of mixed gas, feeding oxygen-enriched side-blowing furnace airduct.Oxygen-enriched side-blowing furnace：Air blast is strong
Spend 30-32m3/（m2.min）；Blow rate required 116-128m3/min；Blast pressure 10-13kPa.Control furnace temperature：Lead bullion liquid releases temperature
800-950 DEG C of degree；Bed tempertaure is 1150-1250 DEG C before clinker enters；Furnace top pressure is generally -10 to -50Pa.
Product：Lead bullion bismuth alloy, Pb94-95%, Bi1.0-2.5%, Sb0.5-1.5%, Cu1.0-1.5%, Te70-150g/
T, Ag600-1100g/t, Au3-5g/t, quantum of output is according to its raw material（Agglomerate）Grade determination, the generally 25-32% of agglomerate amount.
Clinker and matte flow into external crucible dilution, and external crucible adds the 2-3% of quantity of slag reduction coal, and with heated by natural gas, clinker and matte are preceding
After bed residence time 2-3h, released respectively by respective discharge port.Matte：This project is due to the leaded solid waste of processing, and sulfur content is low, ice
Copper low yield, to enter the 3-4% of stove agglomerate amount, matte composition is：Pb16-19%, Bi0.2-0.5%, Cu15-29%, Fe21-25%,
S18-20%.Clinker：Yield is 63-66%, Pb0.6-0.8%, Bi0.10-0.15%, the Sn0.08-0.1% into stove agglomerate amount,
Cu0.25-0.35%, S0.1-0.15%, CaO+MgO15-18%, SiO222-25%, Fe22-25%, are general industrial solid waste,
Can be as production devitrified glass, the raw material of cement.Oxygen-enriched air smelting stove flue dust：Yield is the 3.1-3.2% into stove agglomerate amount, mainly
Composition is Pb3-12%, Bi0.8-2%, Sb1.5-2.5%, As0.2-0.6%, returns to the briquetting of this project.Fuming furnace flue dust：According to entering
In stove agglomerate containing Zn, Sb amount determine, general agglomerate contain Zn3-4%, output fume amount be 6-7%, Zn45-48%, Sb4-6%, as
Zinc smoke is sold.Flue gas：4m2Side blowing smelting furnace day processing agglomerate amount -200t, output exhaust gas volumn（Oxygen-enriched side-blowing melting
Stove furnace roof is exported）14100-14200m3/ h, flue gas SO2Concentration 6.5-7.6g/m3, through cooling stack, desulfurization is entered after bag collection
Tower, exhaust gas volumn is 25600-29400 m3SO in/h, flue gas2Concentration is 3.1-4.0g/m3, using cigarette after two-step desulfurization tower desulfurization
Chimney discharge exhaust gas volumn is 36000 m3/h（Kiln gas containing external crucible）, SO2Concentration≤300mg/m3.Waste desulfurized gypsum residue：Annual processing 5
Ten thousand tons of leaded, bismuth tellurium agglomerates, output gypsum quantity of slag 2100-2150t, gypsum tailings contain S17-19%, can as building materials enterprise original
Material.
Above-mentioned working result：Effective, harmless processing can be carried out to the dangerous solid waste such as nonferrous smelting slag, flue dust, improve gold
Belong to the rate of recovery, reach the purpose of energy-saving and emission-reduction, 1. synthetical recovery valuable element, lead enters the lead bullion bismuth alloy rate of recovery >=96%；Bismuth enters
The lead bullion bismuth alloy rate of recovery >=93.5%；Tellurium enters the lead bullion bismuth alloy rate of recovery >=94%；Gold and silver enter the lead bullion bismuth alloy rate of recovery >=
96%；Side blowing smelting furnace disposal ability is reached, with the daily disposables doses 190-200t/d of 4 tons of furnace gauges, secondary money is reached
The purpose that source high efficiente callback is utilized；2. coke consumption is reduced, burnt rate is reduced to 8.3-8.8% by original 10.5-11.0%, comprehensive
Close energy consumption secondary solid waste agglomerate per ton and 105kg standard coals are reduced to by original 115kg standard coals（Reach Ministry of Industry and Information《Lead zinc row
Industry specification（2015）The requirement of energy resource consumption）；3. flue gas SO2Discharge capacity is dropped to by original full company's total emission volumn 78.5t/a
60.8t/a。
Claims (10)
1. a kind of oxygen-enriched side-blowing intensified smelting stove of the energy leaded secondary material of efficient process, it is characterised in that：Including furnace roof, stove
Body, cupola well, slag road, external crucible, charge door, flue, water jacket of flue, side-blown blast orifice, oxygen-rich mixture cylinder, slag outlet and matte
Outlet；The furnace roof is arranged above shaft, and the shaft is arranged above cupola well, and slag road two ends are respectively communicated with the stove
Cylinder and external crucible, the charge door and flue are arranged at the top of the furnace roof, and the flue inner wall is provided with the water jacket of flue, institute
State side-blown blast orifice and be arranged in shaft two bottom sides, the side-blown blast orifice and be respectively arranged with tuyere, the tuyere with it is described
Oxygen-rich mixture cylinder is connected, and the slag outlet and charging thimble are arranged at the external crucible；The water jacket of flue is atomization water jacket,
Waterfog head is provided with the interior separate space of the water jacket of flue, the waterfog head connects water pump by water pipe.
2. the oxygen-enriched side-blowing intensified smelting stove of the energy leaded secondary material of efficient process according to claim 1, its feature exists
In：The waterfog head is evenly distributed with multiple row around the water jacket of flue in interior separate space, and waterfog head described in each column is connected
One distributive pipe, the distributive pipe is connected with water-main, and the water-main connects the water pump.
3. the oxygen-enriched side-blowing intensified smelting stove of the energy leaded secondary material of efficient process according to claim 2, its feature exists
In：The waterfog head is outside plug type shower nozzle, and the outer wall of the water jacket of flue is provided with threaded connection hole, the threaded connection hole
Connected with the interior separate space of the water jacket of flue, the waterfog head is threadedly connected in the threaded connection hole from outside to inside, institute
Distributive pipe is stated for rubber water pipe, the water-main is metallic water pipe.
4. the oxygen-enriched side-blowing intensified smelting stove of the energy leaded secondary material of efficient process according to claim 3, its feature exists
In：Waterfog head is provided with multiple spray holes in end and sidepiece.
5. the oxygen-enriched side-blowing intensified smelting stove of the energy leaded secondary material of efficient process according to claim 1 or 2, its feature
It is：The flue sidepiece is additionally provided with air gun, and the spout of the air gun is stretched into the discharge flue of the flue,
The outer end connection nitrogen preparation machine of the air gun.
6. the oxygen-enriched side-blowing intensified smelting stove of the energy leaded secondary material of efficient process according to claim 1 or 2, its feature
It is：The water jacket of flue inwall is fixedly connected with reinforcement, and the reinforcement is fitted and connected with water jacket of flue inwall, described to add
It is fixedly connected between strengthening tendons by dowel.
7. the oxygen-enriched side-blowing intensified smelting stove of the energy leaded secondary material of efficient process according to claim 1 or 2, its feature
It is：The shaft inwall lays alumina firebrick, and hearth wall and side-blown blast orifice inwall lay high magnesium refractory brick.
8. the oxygen-enriched side-blowing intensified smelting stove of the energy leaded secondary material of efficient process according to claim 1 or 2, its feature
It is：The tuyere includes nose cone, bott stick and air duct base；The nose cone is connected with the airduct；The nose cone is set
It is equipped with central axis hole；The air duct base includes tilting cartridge and the oxygen-enriched pipe of level；It is oxygen-enriched that the inclination cartridge is arranged on level
Connect above pipe and with the oxygen-enriched pipe of level；The oxygen-enriched pipe of level is connected and concentric with the central axis hole；It is described to block
Rod set is connected in the oxygen-enriched pipe of the level and central axis hole and tail end is connected by the oxygen-enriched pipe tail end of bolt and the level；It is described
Bott stick is provided with axle center hole, and described axle center hole one end is connected with the central axis hole, the other end by tracheae with it is described oxygen-enriched mixed
Close cylinder connection.
9. the oxygen-enriched side-blowing intensified smelting stove of the energy leaded secondary material of efficient process according to claim 8, its feature exists
In：The central axis hole inwall of the nose cone is additionally provided with cooling copper tube, and the bott stick end is inserted in the cooling copper tube.
10. the oxygen-enriched side-blowing intensified smelting stove of the energy leaded secondary material of efficient process according to claim 9, its feature exists
In：The internal diameter of the side-blown blast orifice is 60-100mm.
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|---|---|---|---|---|
| CN106766971A (en) * | 2017-03-14 | 2017-05-31 | 永兴县东宸有色金属再生利用有限公司 | The oxygen-enriched side-blowing intensified smelting stove of the energy leaded secondary material of efficient process |
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2017
- 2017-03-14 CN CN201720243894.6U patent/CN206572975U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106766971A (en) * | 2017-03-14 | 2017-05-31 | 永兴县东宸有色金属再生利用有限公司 | The oxygen-enriched side-blowing intensified smelting stove of the energy leaded secondary material of efficient process |
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