CN2711660Y - Hot air cupola - Google Patents

Hot air cupola Download PDF

Info

Publication number
CN2711660Y
CN2711660Y CN 200420024942 CN200420024942U CN2711660Y CN 2711660 Y CN2711660 Y CN 2711660Y CN 200420024942 CN200420024942 CN 200420024942 CN 200420024942 U CN200420024942 U CN 200420024942U CN 2711660 Y CN2711660 Y CN 2711660Y
Authority
CN
China
Prior art keywords
cupola
blast
hot
furnace
shaft
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN 200420024942
Other languages
Chinese (zh)
Inventor
刘震
Original Assignee
刘震
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 刘震 filed Critical 刘震
Priority to CN 200420024942 priority Critical patent/CN2711660Y/en
Application granted granted Critical
Publication of CN2711660Y publication Critical patent/CN2711660Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Abstract

The utility model provides a new type hot air cupola, particularly relating to a hot air cupola for smelting ferruginous abandoned materials such as scruff, ferruginous gray and ferruginous mud, belonging to the technical field of steel smelting and machine casting. The new type hot air cupola of the utility model is provided with a furnace hearth, a furnace stack and a furnace roof. The furnace hearth part is provided with a scruff outlet and an iron notch, and the furnace hearth is a movable furnace hearth. The upper part of the furnace roof is connected with a hot air house, and the upper part of the hot air house is connected with a dust removing cap. The furnace stack is provided with a water cooling air port. A spiral metal heat pipe exchanger is arranged in the hot air house, the cold-air pipe of the heat pipe exchanger is connected with a small high pressure blower positioned out of the cupola, and the air pipe of the heat pipe exchanger is connected with the water cooling air port. The new type hot air cupola has the advantages of simple furnace structure, convenient operation, few investments, low cost, high efficiency and no environment pollution.

Description

A kind of hot-blast cupola
Technical field
A kind of novel hot-blast cupola is a kind of blast furnace type cupola furnace, particularly relates to the hot-blast cupola that the obsolete material that contains iron content profits mixing such as scum, iron content throwing ash, iron content mud is carried out melting, belongs to smelting iron and steel and machine casting technical field.
Background technology
Various precision metallic abrasive articles, as metallic articles such as cylinder sleeve, piston ring, bearing, steel ball, seals in the attrition process process, add diesel oil or other aqueous fusion agent, can produce a large amount of plaster that contains ferroalloy and emery wheel ash like this, measure few being abandoned, measure big then being concentrated and send to the ferric charge use that steel plant make iron making and sintering, but phosphorous height, silica height in most iron mud, belong to the substandard products iron material, contaminated environment is used so only made cheap raw material by minimill again; Because value is low, the oil-containing pug also has and is used as the fuel of baking bricks, and incomplete combustion when baking bricks produces a large amount of smoke pollution environments especially.
The vague generalization iron furnace is cold wind, windy mouth, or simple and easy bellows preheating air blast is arranged, type of furnace straight barrel type, rare vase type, the common process that adopts molten pig iron to cast.The slag steel that uses steel plant, granulated iron, the machinery iron bit horizontal hot air room hot-blast cupola as raw materials for metallurgy is also arranged, chimney stack, investment is big, and payoff period is long; But the easy oxidation of powder, gas permeability is poor, and silica content height in the emery wheel ash, and is about 10%, and the fusing point height uses this kind cupola furnace and the common process can't the described scrap iron material of melting.
Summary of the invention
The purpose of this utility model is to provide a kind of at the defective that above-mentioned prior art exists can effectively utilize discarded iron content profit raw material, free from environmental pollution again, simple in structure, the hot-blast cupola being convenient to operate.
Technical scheme: for achieving the above object, the utility model adopts a kind of hot-blast cupola, cupola well is arranged, shaft, furnace roof, cupola well partly has slag notch and tapping hole, tapping hole is the siphon tapping mouth, the slag notch position is higher than tapping hole, its structure is as follows: the hot-blast cupola type of furnace is blast furnace formula curve, cupola well is movable cupola well, and the furnace roof upper vertical connects the hot blast room, and top, hot blast room connects deduster, there is the only air port of water-cooled the bottom of described shaft near the cupola well place, the metal fever heat exchange of heat pipe that spirals is arranged in the hot blast room, and what join with the cool air hose of heat exchange of heat pipe is to be positioned at the outer little high pressure blower of stove, and what link to each other with its warm-air pipe is the only air port of water-cooled; The shaft top is the flat-top mouth, and the shaft inwall is built into by refractory brick, and shaft outer wall water spray is to fall casing temperature.
Described hot blast room vertical junction is on fire door, and its inner heat exchange of heat pipe is two-way steel pipe or stainless steel tube disk ring weldering system.
In the described hot blast of shaft top attaching room, the heat exchange of heat pipe that spirals is arranged in the hot blast room, by the high-temperature furnace gas of discharging in stove second-time burning in the hot blast room, warm-air pipe cold wind is blown in stove by water cooled tuyere after the heat exchanger tube preheating of described hot blast heat exchanger by the outer little high pressure blower of stove simultaneously, and waste gas discharges out of the furnace through deduster in the stove.
Described hot blast roof portion connects the dedusting cap, and dedusting does not need to add in addition power.Waste gas carries out the secondary cyclone dedusting through the dedusting cap again in the stove behind the gravitational dust collection in hot blast room, enters atmosphere again, therefore can not pollute.
The little centrifugal high pressure fan of described little high pressure blower adapted, air quantity increases with the cupola well diameter, and blast is between 12000Pa~20000Pa, and the cupola well diameter is from 700~1300mm, and corresponding air quantity is from 40~80m 3/ min.
Described movable cupola well is that cupola well and shaft are separable, and cupola well can be along the track turnover shaft of thereunder laying.
The only air port of described water-cooled is meant that shaft has only an air port, and downward-sloping about 10 °~25 ° of level is inserted in the stove, double-decker, water flowing cooling.Wherein the only air port of water-cooled is an optimum condition for downward-sloping 15 °.
Described blast furnace formula curve is meant that the cupola furnace burner hearth is blast furnace formula curve, and high wind-warm syndrome, little high pressure can produce certain reducing atmosphere in the stove, helps the melting of raw material in the stove.
Beneficial effect
The hot-blast cupola that utilizes the utility model to provide can reach following effect:
1, utilize discharge coal gas of high temperature and second-time burning in the hot blast room in the stove, more than heat exchange of heat pipe heating wind-warm syndrome to 400 degree, high wind-warm syndrome improves fusion temperature, can melt to contain the grey high raw material of emery wheel, also reduces the oxidation of raw material in stove.
2, adopt only air port, wind concentration easily produces the furnace high-temperature fusion zone, and furnace gas is through second-time burning, and energy savings reduces and pollutes.
3, cupola furnace type blast furnaceization adopts little high pressure positive blower, high wind-warm syndrome, makes and produces certain reducing atmosphere in the stove.
4, the outer water cooling of water cooled tuyere and stove skin can be produced continuously.
5, the cupola furnace is simple in structure, and is easy to operate.
6, effectively utilize obsolete material, free from environmental pollution.
7, can refine the raw material abundance, small investment, production cost is low, instant effect, remarkable in economical benefits.
Description of drawings
Below in conjunction with accompanying drawing the utility model is further described.
Fig. 1 is the structural representation in cupola furnace.
The movable cupola well 3-of 1-air blast 2-slag notch
The only air port of 4-tapping hole 5-water-cooled 6-shaft
8-flat-top fire door 9-hot blast room, 7-furnace wall
10-steel pipe heat exchanger 11-coal gas stream 12-dedusting cap
The 13-track
As Fig. 1, cupola furnace described in the utility model type is blast furnace formula curve, burner hearth is blast furnace formula curve, movable cupola well 2, fusing shaft 6, fire door 8, hot blast room 9 and dedusting cap 12 are arranged, wherein said movable cupola well 2 parts have slag notch 3 and tapping hole 4, described tapping hole 4 is the siphon tapping mouth, and slag notch 3 positions are higher than tapping hole 4; There is the only air port 5 of water-cooled the bottom of shaft 6 near cupola well 2 places, and the shaft top is a flat-top fire door 8, adds raw material from flat-top fire door 8 in stove; Shaft outer wall 7 waters spray is to fall casing temperature; The shaft inwall is built into refractory brick, in the described hot blast of shaft top attaching room 9, connect dedusting cap 12 at its top, the steel pipe heat exchanger 10 that spirals is arranged in hot blast room 9, discharge furnace high-temperature coal gas stream 11 second-time burning and heating heat exchanger 10 in hot blast room 9, air blast is bloated by the outer little high pressure blower 1 of stove, and through described hot blast heat exchanger 10, hot blast after being heated is blown in the stove from water cooled tuyere 5, and waste gas discharges out of the furnace through dedusting cap 12 in the stove.Downward-sloping about 15 ° of the only air port of water-cooled 5 levels are inserted in the stove, double-decker, water flowing cooling.
Lay track 13 below cupola well 2, cupola well 2 is separable with shaft 6, and cupola well 2 can pass in and out shaft 6 along track.
Little high pressure blower 1 is little centrifugal high pressure fan, and blast is between 12000Pa~20000Pa, and the cupola well diameter is between 700~1300mm, and corresponding air quantity is at 40~80m 3About/min.
Waste gas carries out the secondary cyclone dedusting through the dedusting cap again in the hot blast room 9 apical grafting dedusting caps 12, stove behind the gravitational dust collection in hot blast room, enters atmosphere again, therefore can not pollute.

Claims (7)

1, a kind of hot-blast cupola, cupola well is arranged, shaft, furnace roof, cupola well partly has slag notch and tapping hole, tapping hole is the siphon tapping mouth, the slag notch position is higher than tapping hole, it is characterized in that: the hot-blast cupola type of furnace is blast furnace formula curve, cupola well is movable cupola well, the furnace roof upper vertical connects the hot blast room, top, hot blast room connects deduster, and there is the only air port of water-cooled the bottom of described shaft near the cupola well place, and the shaft top is the flat-top mouth, shaft outer wall water spray, the shaft inwall is built into by refractory brick, in the described hot blast of shaft top attaching room, the metal fever heat exchange of heat pipe that spirals is arranged in the hot blast room, what join with the cool air hose of heat exchange of heat pipe is to be positioned at the outer little high pressure blower of stove, and what link to each other with its warm-air pipe is the only air port of water-cooled.
2, hot-blast cupola according to claim 1 is characterized in that: hot blast room vertical junction is on fire door, and its inner heat exchange of heat pipe is two-way steel pipe or stainless steel tube disk ring weldering system; Described hot blast roof portion connects the dedusting cap.
3, hot-blast cupola according to claim 1 is characterized in that: described little high pressure blower is little centrifugal high pressure fan, and blast is about 12000Pa~20000Pa, and the cupola well diameter is from 700~1300mm, and corresponding air quantity is at 40~80m 3Between/the min.
4, according to claim 1 or 4 described hot-blast cupolas, it is characterized in that: described movable cupola well is that cupola well and shaft are separable, and cupola well is along the track turnover shaft of thereunder laying.
5, hot-blast cupola according to claim 1 is characterized in that: described blast furnace formula curve is meant that the cupola furnace burner hearth is blast furnace formula curve.
6, hot-blast cupola according to claim 1 is characterized in that: the only air port of described water-cooled is meant that shaft has only an air port, and downward-sloping about 10 °~25 ° of level is inserted in the stove, double-decker, water flowing cooling.
7, hot-blast cupola according to claim 1 is characterized in that: the only inlet horizontal of described water-cooled dip down gradient be 15 ° for optimum condition.
CN 200420024942 2004-02-26 2004-02-26 Hot air cupola Expired - Fee Related CN2711660Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 200420024942 CN2711660Y (en) 2004-02-26 2004-02-26 Hot air cupola

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 200420024942 CN2711660Y (en) 2004-02-26 2004-02-26 Hot air cupola

Publications (1)

Publication Number Publication Date
CN2711660Y true CN2711660Y (en) 2005-07-20

Family

ID=36192766

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 200420024942 Expired - Fee Related CN2711660Y (en) 2004-02-26 2004-02-26 Hot air cupola

Country Status (1)

Country Link
CN (1) CN2711660Y (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100577819C (en) * 2007-08-23 2010-01-06 吴镝 Internal rotation type calcine furnace
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
CN110160367A (en) * 2019-07-02 2019-08-23 贵州省息烽县长宏铸造有限公司 A kind of three sections of continuous recovery methods of cupola furnace waste heat from tail gas

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100577819C (en) * 2007-08-23 2010-01-06 吴镝 Internal rotation type calcine furnace
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
CN110160367A (en) * 2019-07-02 2019-08-23 贵州省息烽县长宏铸造有限公司 A kind of three sections of continuous recovery methods of cupola furnace waste heat from tail gas

Similar Documents

Publication Publication Date Title
CN101086038B (en) Direct lead smelting method in molten pool and its device
CN102433450A (en) Oxygen-enriched side-blown reduction molten pool smelting furnace and method for smelting tin by using tin-enriched complex material in smelting furnace
CN101445869A (en) Method for manufacturing metallic pellets by direct reduction of oxygen-enriched combustion in rotary furnace
CN105441687A (en) Dust recycling process and system for iron and steel plant
CN106893867A (en) A kind of method that muffle shaft furnace treatment feed powder containing zinc-iron dirt reclaims zinc
CN106679402A (en) Energy-saving environment-friendly efficient hot blast cupola
CN108913961A (en) The piston aluminium ingot used for turbocharging automobile
CN101440417A (en) Tube furnace-high furnace duplex coal-based smelting reduction ironmaking method
CN2711660Y (en) Hot air cupola
CN1644720A (en) Oxygen-enriched zinc smelting method
CN200968776Y (en) Multifunctional industry furnace
CN1560552A (en) Hot-blast cupola and its smelting method
CN201104092Y (en) Built-in coal based sponge iron shaft furnace
CN103194557A (en) Novel gas fusing and melting furnace
CN201250242Y (en) Non-blast furnace ironmaking furnace
CN102121788A (en) Smelting furnace
CN201347437Y (en) Device for manufacturing metallic pellet through utilizing direct reduction of oxygen-rich combustion of rotary furnace
CN2545553Y (en) Light-burned magnesia kiln
CN1029411C (en) Entirely flow continuous steelmaking and iron-smelting method and apparatus
CN103255296B (en) Energy-saving and environment-friendly new technology for production of zinc oxide in rotary kiln and comprehensive recovery of iron copper gold silver indium
CN109136439A (en) With the top formula Thermal Equipment of ferrous waste production premium casting
CN104357655B (en) Ore reduces continuously and send steel-smelting device with heat
CN204111835U (en) Ore reduces continuously and send steel-smelting device with heat
CN202648371U (en) External-heat, air-blowing and water-cooling cupola furnace with long furnace age
CN206875938U (en) A kind of energy-saving, environment-friendly and high-efficiency blast-heating cupola

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
C19 Lapse of patent right due to non-payment of the annual fee
CF01 Termination of patent right due to non-payment of annual fee