CN205907340U - Pyritic smelting stove - Google Patents
Pyritic smelting stove Download PDFInfo
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- CN205907340U CN205907340U CN201620847878.3U CN201620847878U CN205907340U CN 205907340 U CN205907340 U CN 205907340U CN 201620847878 U CN201620847878 U CN 201620847878U CN 205907340 U CN205907340 U CN 205907340U
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Abstract
The utility model discloses a pyritic smelting stove. This pyritic smelting stove includes: the first long brickwork and the long brickwork of second of the last mutual disposition of length direction, the third side brickwork and the fourth side brickwork of the last mutual disposition of width direction, on first long brickwork and the long brickwork of second, a plurality of and mated evenly distributed's nozzle, charge door at the furnace roof, slag notch and tapping hole at fourth side brickwork, it is outside at the stove bottom, the stove bottom jetting device that is close to fourth side brickwork, on third side brickwork, the brickwork lateral wall jetting device that is close to the stove bottom, alloy feeding device and refining slag feeding device on the long brickwork of second, the horizontal position of tapping hole is under the horizontal position of slag notch, and alloy feeding device's horizontal position is between the horizontal position of slag notch and tapping hole, and refining slag feeding device's horizontal position is under the horizontal position of slag notch. The technical scheme of the utility model can realize direct alloying of molten iron and edulcoration, the product that makes is the steel, need not further handle again.
Description
Technical field
This utility model is related to field of metallurgy and in particular to a kind of high temperature smelting furnace.
Background technology
In iron and steel and nonferrous metallurgy industry, smelt steel and non-ferrous metal products are both needed to use high temperature smelting furnace.Currently
Smelting furnace typically adopts electrically heated mode, to provide the heat meeting needed for material melting.But electrically heated equipment investment is relatively
Greatly, and electricity price is high, the production cost thus resulting in product is higher.For further reduced cost, gradually adopt price relatively
Low gas heating provides the smelting furnace of heat, or is combined with electrical heating, gas heating mode using coal powder injection combustion system
Smelting furnace.Although reducing cost, due to substantial amounts of use coal dust, problem of environmental pollution can be led to.
Generally speaking, integrally there is a common problem, in stove in electric furnace, gas furnace or the smelting furnace with coal injection
High-temperature molten material liquid level is relatively stable, there is not the flow field of inside, leads to high-temperature fusant homogenization time longer so that producing
Efficiency reduces.Additionally, conventional high temperature smelting furnace function is more single, it is only capable of playing the detached effect of fusing it is impossible to remove to product
Miscellaneous upgrading, the product produced also could need to be sold as final products further across after remove impurity and upgrading.
Prior art discloses a kind of molten point of stove and using this molten point of method that stove processes fusion point of material, melt a point stove bag
Include: a molten point of furnace body, there is in molten point of furnace body molten point space, a molten point space bottom limits molten bath, melt and divide space along melting
Body flow direction sequentially forms feed zone, fusion zone, Disengagement zone and discharge zone, and feed zone is located at one end of molten point of furnace body, goes out
Material area is located at the other end of molten point of furnace body, and the side wall of feed zone is provided with charging aperture, and the side wall of discharge zone is provided with discharging opening
And slag notch；Multiple heat-storage type burners are respectively provided on the side wall of molten point of furnace body, and fusion zone and Disengagement zone are all correspondingly arranged
At least one pair of heat-storage type burner, each pair heat-storage type burner is located in the opposing sidewalls of molten point of furnace body.
The prior art only enable material fusing separate, function more single it is impossible to quickly realize the uniform of melt
Change, do not possess the function of molten iron remove impurity and alloying, the metal bath purity of acquisition is not high.
Utility model content
In view of the problem that prior art exists, this utility model transforms on the basis of being directed at existing smelting furnace further
And optimization.
This utility model discloses a kind of high temperature smelting furnace, and described high temperature smelting furnace is included positioned opposite on length direction
One long furnace wall and the second long furnace wall, also include the 3rd wing furnace wall positioned opposite on width and the 4th wing furnace wall, described
Equipped with burner, charge door, tapping hole, slag notch, furnace bottom blowing device, furnace wall side wall blowing device, alloy on high temperature smelting furnace
Feeding device and refining slag feeding device, wherein,
Multiple described burners are arranged on the described first long furnace wall and described second long furnace wall, in the described first long furnace wall and
Identical and paired being uniformly distributed of burner quantity of setting on described second long furnace wall；
Described charge door is arranged on the furnace roof of described high temperature smelting furnace；
Described slag notch is arranged on described 4th wing furnace wall；
Described tapping hole is arranged on described 4th wing furnace wall, and its horizontal level is under the horizontal level of described slag notch；
Described furnace bottom blowing device is arranged on the outside of described high temperature smelting furnace furnace bottom, and near described 4th wing furnace wall；
Described furnace wall side wall blowing device is arranged on described 3rd wing furnace wall, and near described high temperature smelting furnace furnace bottom；
Described material alloying device is arranged on the described second long furnace wall, its horizontal level described slag notch and described go out
Between the horizontal level of steel mouth；
Described refining slag feeding device is arranged on the described second long furnace wall, and its horizontal level is in the level of described slag notch
Under position.
In an embodiment of the present utility model, in described pyrolytic semlting furnace body, it is additionally provided with for storing molten point
Molten point of space of material.
In an embodiment of the present utility model, described material alloying device with the vertical dimension of described slag notch is
150-250mm, the angle being formed between described material alloying device and described second long furnace wall is 60 ° -80 °.
In an embodiment of the present utility model, the vertical dimension of described refining slag feeding device and described slag notch
For 30-80mm, the angle being formed between described refining slag feeding device and described second long furnace wall is 78 ° -87 °.
In an embodiment of the present utility model, the vertical dimension between described slag notch and described tapping hole is
260-500mm.
High temperature smelting furnace provided by the utility model, compared with original electrical heating smelting furnace, using gas heating, can drop
Low cost；Compared with common high temperature smelting furnace, increased blowing device, melt flows can be made in stove and form certain flow field, have
Help the rapid homogeneity of melt, shorten discharging time and improve production efficiency.
And, in terms of device construction, reducing agent and blowing gas blow and spray device so that apparatus structure is simple using same
Single, easy to operate.On the basis of original high temperature smelting furnace, high temperature smelting furnace provided by the utility model, in furnace bottom and stove
Be provided with blowing device on the wall of wall side, can effectively utilizes high-temperature flue gas waste heat, make melt flows in stove form certain air-flow
, contribute to the rapid homogeneity of melt, shorten discharging time, reducing energy consumption, thus improve production efficiency, lifting smelt effect
Really.Additionally, high temperature smelting furnace provided by the utility model, also add feeding device and add alloy and refining slag, enable
Molten iron alloying and remove impurity, can direct steelmaking, shorten technological process, so as to reduce the investment of equipment.
Brief description
Fig. 1 is a kind of top view of high temperature smelting furnace of this utility model embodiment.
Fig. 2 is a kind of front view of high temperature smelting furnace of this utility model embodiment.
Fig. 3 is a kind of left view of high temperature smelting furnace of this utility model embodiment.
In figure:
100th, burner；200th, charge door；301st, slag notch；302nd, tapping hole；401st, furnace bottom blowing device；402nd, furnace wall side
Wall blowing device；501st, material alloying device；502nd, refining slag feeding device；600th, furnace body.
Specific embodiment
Below in conjunction with drawings and Examples, specific embodiment of the present utility model is described in more details, with
Just the advantage that better understood when scheme of the present utility model and its various aspects.However, specific implementations described below side
Formula and embodiment are only descriptive purposes, rather than to restriction of the present utility model.
It should be noted that the term " first ", " second ", " the 3rd " or " the 4th " in this utility model is only used for describing
Purpose, and it is not intended that instruction or hint relative importance or the implicit quantity indicating indicated technical characteristic, thus, limit
Surely " first ", the feature of " second ", " the 3rd " or " the 4th " is had can to express or implicitly include this spy one or more
Levy.
This utility model provides a kind of high temperature smelting furnace, and high temperature smelting furnace is included positioned opposite first on length direction
Wing furnace wall (the first long furnace wall) and the second wing furnace wall (the second long furnace wall), also include the 3rd wing furnace positioned opposite on width
Wall and the 4th wing furnace wall, equipped with burner, charge door, tapping hole, slag notch, furnace bottom blowing device, furnace wall on high temperature smelting furnace
Side wall blowing device, material alloying device and refining slag feeding device.
Wherein, multiple burners are arranged on the first long furnace wall and the second long furnace wall, in the first long furnace wall and the second long furnace wall
Identical and paired being uniformly distributed of burner quantity of upper setting.
Charge door is arranged on the furnace roof of high temperature smelting furnace.
Slag notch is arranged on the 4th wing furnace wall.Slag notch is used for pyrolytic semlting furnace slag discharge.
Tapping hole is arranged on the 4th wing furnace wall, and its horizontal level is under the horizontal level of slag notch.Tapping hole is used for height
Warm smelting furnace tapping.So setting is conveniently tapped and is slagged tap and operates simultaneously.
Furnace bottom blowing device is arranged on the outside of high temperature smelting furnace furnace bottom, and near the 4th wing furnace wall.Furnace bottom blowing device
It is mainly used for blowing and spraying gas and reducing agent.Reducing agent and blowing gas blow and spray device so that apparatus structure is simple using same
Single, easy to operate.
Furnace wall side wall blowing device is arranged on the 3rd wing furnace wall, and near high temperature smelting furnace furnace bottom.The wall injection of furnace wall side
Device is also mainly used for blowing and spraying gas and reducing agent.
Material alloying device is arranged on the second long furnace wall, its horizontal level slag notch and tapping hole horizontal level it
Between.Material alloying device is mainly used in alloy is added in the middle of molten iron, realizes molten iron alloying.
Refining slag feeding device is arranged on the second long furnace wall, and its horizontal level is under the horizontal level of slag notch.Essence
Refining slag feeding device is mainly used in molten steel desulfurizing, dephosphorization upgrading.
Additionally, in pyrolytic semlting furnace body, the molten point space for storing molten point of material also can be provided with.
Burner may be provided on the furnace wall in other directions of high temperature smelting furnace, and the quantity of burner does not need to be particularly limited to,
Furnace wall also can not be evenly distributed.
Operationally, adoptable working method is burner: the burner of the first wing furnace wall burns simultaneously, the second wing furnace wall
Burner is discharged fume simultaneously；The burner of the second wing furnace wall burns simultaneously, and the burner of the first wing furnace wall is discharged fume simultaneously；The burning of the first wing furnace wall
Mouth interlocks burning, and the corresponding burner of the second wing furnace wall interlocks and discharges fume, remaining burner combustion of the second wing furnace wall simultaneously, and corresponding the
The burner smoke evacuation of side furnace wall；The burner of the second wing furnace wall interlocks and burns, and the corresponding burner of the first wing furnace wall interlocks and discharges fume, simultaneously
Remaining burner combustion of first wing furnace wall, the burner smoke evacuation of corresponding second wing furnace wall.
The quantity of charge door can be one or more, or can be located in the other positions of high temperature smelting furnace.Charge door sets
Put the furnace roof in high temperature smelting furnace, the interpolation of more convenient material.
The quantity of slag notch and tapping hole can be two or more, or can be located at other directions of high temperature smelting furnace
On furnace wall.
The quantity of furnace bottom blowing device and furnace wall side wall blowing device can be other any amount in addition to three, furnace bottom
Blowing device can be not arranged on the position of the 4th wing furnace wall, and furnace wall side wall blowing device may be provided at other wing furnace walls
On, or can not be evenly distributed.
The gas that blows and sprays used by furnace bottom blowing device and furnace wall side wall blowing device is discharged by high temperature smelting furnace.Xiang Rong
It is blown this kind of high-temperature flue gas in pond, its waste heat can be made full use of, reduce the waste of heat, and the temperature due to this kind of high-temperature flue gas
The temperature of degree and melt is closer to, thus without the temperature reducing melt, the mobility of impact melt.
The high-temperature flue gas entering at a high speed via furnace bottom blowing device, can drive reducing agent, form gas upwards in molten bath
Stream, is driven melt to flow up simultaneously, is then flowed down due to the effect of gravity in the side not having air-flow again.Via furnace wall side
The high-temperature flue gas that wall blowing device enters at a high speed, can drive reducing agent, formed and flow to slag notch place wing furnace wall in molten bath
Air-flow, drives melt to equidirectional flowing simultaneously, and the air-flow being formed with above-mentioned furnace bottom blowing device is matched, shape in molten bath
Become the airflow field of circulation.Thus promoting the flowing of melt so as to Quick uniform is it is ensured that reducing agent is carried out with being fully contacted of melt
Deep reduction, lifts metallurgical effect.
The particular location of material alloying device does not need to be particularly limited to.Inventor find, material alloying device with slag tap
When the vertical dimension of mouth is 60 ° -80 ° for the angle being formed between 150-250mm and material alloying device and place furnace wall, close
The position of golden feeding device is optimal.Now it is ensured that adduction gold when alloy be accurately added in the middle of molten iron.
The position of refining slag feeding device is without being particularly limited to.Inventor's discovery, refining slag feeding device and slag notch
Vertical dimension be the angle being formed between 30-80mm and refining slag feeding device and place furnace wall when being 78 ° -87 °, refine
The position of slag feeding device is optimal.Now it is ensured that the removal of impurity add refining slag when refining slag be accurately added to molten steel it
On, under slag, can fully react with molten steel, remove sulfur phosphorus impurities as far as possible, improve steel quality.
The distance between slag notch and tapping hole are without being particularly limited to.Inventor finds, between slag notch and tapping hole
Vertical dimension be optimal for 260-500mm, more convenient tapping and slagging tap so is set and operates simultaneously.
Below with reference to specific embodiment, this utility model is illustrated.Institute's taking technique condition value in following embodiments
It is exemplary, its desirable numerical range is as shown in foregoing summary.
Embodiment
The present embodiment provides a kind of high temperature smelting furnace.
Referring to Fig. 1, Fig. 2 and Fig. 3, the high temperature smelting furnace of the offer of the present embodiment includes burner 100, charge door 200, slags tap
Mouth 301, tapping hole 302, furnace bottom blowing device 401, furnace wall side wall blowing device 402, material alloying device 501, refining slag adds
Material device 502 and smelting furnace furnace body 600.
This high temperature smelting furnace has four wing furnace walls, the first wing furnace wall positioned opposite and the second side respectively on length direction
On furnace wall, width, the 3rd wing furnace wall positioned opposite and the 4th wing furnace wall, also include furnace roof and furnace bottom.
In the present embodiment, burner 100 is arranged on the first wing furnace wall and the second wing furnace wall.From Fig. 1 and Fig. 2, the
On the furnace wall of side, the quantity of burner 100 is six and be uniformly distributed, and on the second wing furnace wall, the quantity of burner 100 is also six and all
Even distribution, the burner on the furnace wall of both sides is corresponding to be existed in pairs.
In the present embodiment, charge door 200 is arranged on furnace roof center.Slag notch 301 is arranged on the 4th wing furnace wall, goes out
Steel mouth 302 is also disposed on the 4th wing furnace wall.As shown in Figure 1, slag notch 301 and tapping hole 302 be located at two different vertical
On the straight line on ground.As shown in Figure 2, the horizontal level of tapping hole 302 is under the horizontal level of slag notch 301, Er Qieyu
At a distance of 300mm between slag notch 301.
Furnace bottom blowing device 401 is in the outside of high temperature smelting furnace furnace bottom, and close 4th wing furnace wall.Furnace wall side wall injection dress
Put 402 to be arranged on the 3rd wing furnace wall, and the furnace bottom near high temperature smelting furnace.As shown in Figure 1, furnace bottom blowing device 401 and stove
The quantity of wall side wall blowing device 402 is all three, and is evenly distributed on corresponding furnace wall.
Material alloying device 501 is arranged on the second wing furnace wall, and refining slag feeding device 502 is also disposed at the second wing furnace wall
On.From Fig. 2 and Fig. 3, the horizontal level of material alloying device 501 is located at below slag notch, at 200mm above tapping hole,
And with the second wing furnace wall in 75 ° of angles；The horizontal level of refining slag feeding device 502 is located at slag notch 301 lower section 50mm, and with
Second wing furnace wall is in 85 ° of angles.
The surrounding of furnace body 600 forms certain molten point space, for storing molten point of material.
, when carrying out metallurgy, its concrete operations is as follows for this high temperature smelting furnace:
Metallized pellet material is added from smelting furnace top filling mouth 200, combustion gas and combustion-supporting gas together enter from burner 100
Enter, after burning, release heat, reach metallized pellet fusing temperature required.Constantly add with metallized pellet and melt,
Gradually form the melt with certain depth smelting in furnace body 600.Then, furnace bottom blowing device 401 and furnace wall side are opened
Wall blowing device 402, blows and sprays the high-speed gas being loaded with reducing agent in furnace hearth.The gases used high temperature for high temperature smelting furnace discharge
Flue gas, reducing agent used is semi-coke powder.The consumption of semi-coke powder is the 3% of metallized pellet quality.Spray with high-temperature gas
Enter, melt carries out flowing rapid homogeneity, uniformly stop blowing gas afterwards.Pool depth reaches after setting melt pool height, first
Open slag notch 301 and release slag, then close slag notch 301, open refining slag feeding device 502 and material alloying dress simultaneously
Put 501, add refining slag and alloy, make molten iron imurity-removal and alloying, add and be then turned on furnace bottom blowing device 401 after finishing
With furnace wall side wall blowing device 402, realize material homogenization, complete to make steel.Open tapping hole 302 tap, re-closed afterwards go out
Steel mouth 302.
The steel that this high temperature smelting furnace is obtained, without further remove impurity and upgrading, can enter marketing directly as final products
Sell.
To sum up, it is known that high temperature smelting furnace provided by the utility model, compared with original electrical heating smelting furnace, adopt
With gas heating, it is possible to decrease cost；Compared with common high temperature smelting furnace, increased blowing device, melt flows can be made in stove simultaneously
Form certain flow field, contribute to the rapid homogeneity of melt, shorten discharging time and improve production efficiency.
And, in terms of device construction, reducing agent and blowing gas blow and spray device so that apparatus structure is simple using same
Single, easy to operate.On the basis of original high temperature smelting furnace, high temperature smelting furnace provided by the utility model, in furnace bottom and stove
Be provided with blowing device on the wall of wall side, can effectively utilizes high-temperature flue gas waste heat, make melt flows in stove form certain air-flow
, contribute to the rapid homogeneity of melt, shorten discharging time, reducing energy consumption, thus improve production efficiency, lifting smelt effect
Really.Additionally, high temperature smelting furnace provided by the utility model, also add feeding device and add alloy and refining slag, enable
Molten iron alloying and remove impurity, can direct steelmaking, shorten technological process, so as to reduce the investment of equipment.
It should be noted that each embodiment above by reference to described by accompanying drawing is only in order to illustrate this utility model rather than limit
Make scope of the present utility model, it will be understood by those within the art that, without departing from spirit of the present utility model and model
The modification on the premise of enclosing, this utility model being carried out or equivalent, all should cover within the scope of this utility model.
Additionally, unless stated otherwise, then all or part of of any embodiment can be in conjunction with the whole of any other embodiment or one
Partly to use.
Claims (5)
1. a kind of high temperature smelting furnace, described high temperature smelting furnace includes the first long furnace wall positioned opposite on length direction and the second length
Furnace wall, also includes the 3rd wing furnace wall positioned opposite on width and the 4th wing furnace wall, on described high temperature smelting furnace equipped with
Burner, charge door, tapping hole, slag notch, furnace bottom blowing device, furnace wall side wall blowing device, material alloying device and refining slag
Feeding device, wherein,
Multiple described burners are arranged on the described first long furnace wall and described second long furnace wall, in the described first long furnace wall and described
Identical and paired being uniformly distributed of burner quantity of setting on second long furnace wall；
Described charge door is arranged on the furnace roof of described high temperature smelting furnace；
Described slag notch is arranged on described 4th wing furnace wall；
Described tapping hole is arranged on described 4th wing furnace wall, and its horizontal level is under the horizontal level of described slag notch；
Described furnace bottom blowing device is arranged on the outside of described high temperature smelting furnace furnace bottom, and near described 4th wing furnace wall；
Described furnace wall side wall blowing device is arranged on described 3rd wing furnace wall, and near described high temperature smelting furnace furnace bottom；
Described material alloying device is arranged on the described second long furnace wall, and its horizontal level is in described slag notch and described tapping hole
Horizontal level between；
Described refining slag feeding device is arranged on the described second long furnace wall, and its horizontal level is in the horizontal level of described slag notch
Under.
2. high temperature smelting furnace according to claim 1 is it is characterised in that in described pyrolytic semlting furnace body, be additionally provided with use
The molten point of space in molten point of material of storage.
3. high temperature smelting furnace according to claim 1 is it is characterised in that described material alloying device and described slag notch
Vertical dimension is 150-250mm, and the angle being formed between described material alloying device and described second long furnace wall is 60 ° -80 °.
4. high temperature smelting furnace according to claim 1 is it is characterised in that described refining slag feeding device and described slag notch
Vertical dimension be 30-80mm, the angle being formed between described refining slag feeding device and described second long furnace wall is 78 °-
87°.
5. high temperature smelting furnace according to claim 1 it is characterised in that between described slag notch and described tapping hole hang down
Straight distance is 260-500mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620847878.3U CN205907340U (en) | 2016-08-05 | 2016-08-05 | Pyritic smelting stove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620847878.3U CN205907340U (en) | 2016-08-05 | 2016-08-05 | Pyritic smelting stove |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205907340U true CN205907340U (en) | 2017-01-25 |
Family
ID=57804103
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620847878.3U Withdrawn - After Issue CN205907340U (en) | 2016-08-05 | 2016-08-05 | Pyritic smelting stove |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205907340U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106191633A (en) * | 2016-08-05 | 2016-12-07 | 江苏省冶金设计院有限公司 | A kind of high temperature smelting furnace and the method carrying out metallurgy with it |
-
2016
- 2016-08-05 CN CN201620847878.3U patent/CN205907340U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106191633A (en) * | 2016-08-05 | 2016-12-07 | 江苏省冶金设计院有限公司 | A kind of high temperature smelting furnace and the method carrying out metallurgy with it |
| CN106191633B (en) * | 2016-08-05 | 2018-01-02 | 江苏省冶金设计院有限公司 | A kind of high temperature smelting furnace and with its carry out metallurgy method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170125 Effective date of abandoning: 20180102 |
|
| AV01 | Patent right actively abandoned |