CN207730003U - Tuyere device and side-blown converter for side-blown converter - Google Patents
Tuyere device and side-blown converter for side-blown converter Download PDFInfo
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- CN207730003U CN207730003U CN201721576434.1U CN201721576434U CN207730003U CN 207730003 U CN207730003 U CN 207730003U CN 201721576434 U CN201721576434 U CN 201721576434U CN 207730003 U CN207730003 U CN 207730003U
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Abstract
The utility model discloses the tuyere device and side-blown converter for side-blown converter, tuyere device includes：Inlet base inside limits first passage and combustion zone；Support of duct is connected with one end far from combustion zone on inlet base, and the second channel and third channel of connection are limited in support of duct, and gas passage is collectively formed with first passage in second channel；Seal assembly is arranged in one end far from inlet base in gas passage；Fuel injection pipe, extend into across seal assembly in gas passage and extends to the combustion zone, arranges burner close to one end of combustion zone on fuel injection pipe, multiple openings are disposed on burner；Swirl vane is arranged in first passage and around fuel injection pipe.It uses the tuyere device that side-blown converter bath temperature can be made to be adjusted in 1,300 1800 degrees Celsius as a result, to improve adaptability of the side-blown converter to raw material, is particularly suitable for the regenerated resources such as processing electronic waste.
Description
Technical field
The utility model belongs to nonferrous metallurgy field, specifically, the utility model is related to the air port dresses for side-blown converter
It sets and side-blown converter.
Background technology
With the development of regenerated resources comprehensive utilization technique, developed country's first choice pyrometallurgical smelting processing regenerated resources are (such as electricity
Sub- waste material), and pyrometallurgical smelting technology is with metallurgical furnace interwoveness.Concentrate can during traditional nonferrous metallurgy side-blown converter processing concentrate
Oxidation reaction occurs and generates big calorimetric, because without increasing additional fuel bath temperature controllably at 1200-1300 DEG C, still
Oxidation reaction does not occur in fusion process for most of regenerated resources (such as electronic waste), and the smelting temperature of regenerated resources need to reach
To 1300-1800 DEG C, it is therefore necessary to additional that fuel is added by the combustion heat to supplement the temperature for maintaining molten bath.
Utility model content
The utility model is intended to solve at least some of the technical problems in related technologies.For this purpose, this reality
It is to propose a kind of tuyere device and side-blown converter for side-blown converter with a novel purpose.It can be made using the tuyere device
Obtaining side-blown converter bath temperature can be adjusted in 1300-1800 degrees Celsius, to improve adaptability of the side-blown converter to raw material, especially
Suitable for regenerated resources such as processing electronic wastes.
In the one side of the utility model, the utility model proposes a kind of tuyere device for side-blown converter, according to
The embodiments of the present invention, the device include：
Inlet base limits first passage and combustion zone in the inlet base；
Support of duct, the support of duct are connected with one end far from the combustion zone on the inlet base, and described
The second channel and third channel of connection are limited in support of duct, gas is collectively formed with the first passage in the second channel
Body channel；
Seal assembly, the seal assembly are arranged in one end far from the inlet base in the gas passage；
Fuel injection pipe, the fuel injection pipe extend into the gas passage and extend to across the seal assembly
The combustion zone is arranged burner close to one end of the combustion zone on the fuel injection pipe, is disposed on the burner multiple
Opening；
Swirl vane, the swirl vane are arranged in the first passage and around the fuel injection pipe.
According to the tuyere device for side-blown converter of the utility model embodiment, by the way that fuel injection pipe is passed through sealing group
Gas passage that part is extend into inlet base and support of duct and combustion zone arrangement is extended to, and close to fuel injection Guan Ran
The one end for burning area is disposed with the burner of multiple openings, can increase the pressure of fuel；Simultaneously in first passage in inlet base and
It arranges that swirl vane, the first passage are connected to the third channel in support of duct around fuel injection pipe, can make logical through third
The oxygen-enriched air of road supply flows into combustion zone with stable pressure and uniform speed so that fuel and oxygen-enriched air can be mixed and be filled
Point, burning it is complete, and fuel and oxygen-enriched air can be adjusted by adjusting swirl vane rotating speed and fuel delivery rate
Addition so that side-blown converter bath temperature is adjusted in 1300-1800 degrees Celsius, to significantly improve side-blown converter to raw material
Adaptability is particularly suitable for the regenerated resources such as processing electronic waste.
In addition, can also be had according to the tuyere device for side-blown converter of the utility model above-described embodiment following additional
Technical characteristic：
Optional, it is less than 90 towards the angle of the side of the close joint component and the third channel on the second channel
Degree.The flow resistance that oxygen-enriched air flows into first passage and combustion zone from third channel is advantageously reduced as a result,.
Optional, the linear gas passage is collectively formed in the first passage and the second channel.As a result, may be used
Reduce transportation cost of the fuel in fuel injection pipe.
Optional, on the second channel to the direction of the first passage, the cross-sectional area of the burner gradually subtracts
It is small.Be conducive to increase the pressure of fuel as a result,.
Optional, it is arranged with the opening on the end face of the side wall of the burner and the close combustion zone.As a result, may be used
Further increase the pressure of fuel.
Optional, a diameter of 4~10mm of the opening.The pressure of fuel can be further increased as a result,.
It is according to the present utility model the utility model proposes a kind of side-blown converter in another aspect of the utility model
Embodiment, the side-blown converter have the above-mentioned tuyere device for side-blown converter.The temperature in molten bath can be realized in the side-blown converter as a result,
It is freely adjusted in 1300-1800 degrees Celsius, improves its adaptability to raw material, facilitate the production-goods again such as processing electronic waste
Source.
The additional aspect and advantage of the utility model will be set forth in part in the description, partly will be from following description
In become apparent, or recognized by the practice of the utility model.
Description of the drawings
The above-mentioned and/or additional aspect and advantage of the utility model will in the description from combination following accompanying drawings to embodiment
Become apparent and is readily appreciated that, wherein：
Fig. 1 is the structural schematic diagram according to the tuyere device for side-blown converter of the utility model one embodiment；
Fig. 2 is the left view according to the fuel injection pipe of the utility model one embodiment.
Specific implementation mode
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, it is intended to for explaining the utility model, and should not be understood as to the utility model
Limitation.
In the description of the present invention, it should be understood that term "center", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside",
The orientation or positional relationship of the instructions such as " clockwise ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " is based on ... shown in the drawings
Orientation or positional relationship is merely for convenience of describing the present invention and simplifying the description, and does not indicate or imply the indicated dress
It sets or element must have a particular orientation, with specific azimuth configuration and operation, therefore should not be understood as to the utility model
Limitation.
In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include at least one this feature.The meaning of " plurality " is at least two, such as two in the description of the present invention,
It is a, three etc., unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；Can be
Mechanical connection can also be electrical connection；It can be directly connected, can also can be indirectly connected through an intermediary two
The interaction relationship of connection or two elements inside element, unless otherwise restricted clearly.For the common skill of this field
For art personnel, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
In the present invention unless specifically defined or limited otherwise, fisrt feature is "above" or "below" second feature
Can be that the first and second features are in direct contact or the first and second features pass through intermediary mediate contact.Moreover, first is special
Sign second feature " on ", " top " and " above " can be fisrt feature and be directly above or diagonally above the second feature, or only
Indicate that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be with
It is that fisrt feature is directly under or diagonally below the second feature, or is merely representative of fisrt feature level height and is less than second feature.
In the one side of the utility model, the utility model proposes a kind of tuyere device for side-blown converter, according to
The embodiments of the present invention, with reference to figure 1, which includes：Inlet base 100, support of duct 200, seal assembly 300, fuel
Injection tube 400 and swirl vane 500.
Embodiment according to the present utility model limits first passage 110 and combustion zone 120 in inlet base 100.Specifically
, first passage 110 and combustion zone 120 can be located on the central axis of inlet base 100, and combustion zone in use
120 are used for fuel and Air combustion with oxygen enrichment close to side-blown converter molten bath, combustion zone, to be the heat supply of side-blown converter molten bath.
Embodiment according to the present utility model, support of duct 200 and one end phase far from combustion zone 120 on inlet base 100
Even, and the second channel 210 and third channel 220 of connection are limited in support of duct 200, second channel 210 and first is logical
Gas passage 230 is collectively formed in road 110.Specifically, second channel 210 can be located on the central axis of support of duct 200, the
Triple channel 220 is for supplying oxygen-enriched air, and second pipe 210 and third pipeline 220 are arranged at an angle.According to this reality
With a novel specific embodiment, the fluid channel 230 that first passage 110 and second channel 220 are collectively formed can be straight
Line style.
Embodiment according to the present utility model, seal assembly 300 are arranged in gas passage 230 far from inlet base 100
One end.Thus, it is possible to ensure that the oxygen-enriched air supplied through third channel enters combustion zone followed by second channel, first passage
It is mixed with fuel.It should be noted that those skilled in the art can according to actual needs select the material of seal assembly
It selects, as long as the sealing effect to oxygen-enriched air can be realized.A specific embodiment according to the present utility model, second channel
It is less than 90 degree towards the angle of the side of close joint component 300 and third channel 220 on 210.Oxygen-enriched air is advantageously reduced as a result,
Flow resistance when flowing into combustion zone, reduces the energy consumption of the device.
Embodiment according to the present utility model, with reference to figure 1 and Fig. 2, fuel injection pipe 400 is stretched into across seal assembly 300
In to gas passage 230 and combustion zone 120 is extended to, and close to one end arrangement of combustion zone 120 on fuel injection pipe 400
Burner 41 is disposed with multiple openings 401 on burner 41.Specifically, by arranging multiple openings on burner, combustion can be dramatically increased
The pressure when going out fuel injection pipe is expected, to increase the thermal energy radiation distance of fuel and Air combustion with oxygen enrichment.According to this practicality
A novel specific embodiment, on second channel 210 to the direction of first passage 110, the cross-sectional area of burner 41 is gradual
Reduce, i.e., is diminishing relative to the sectional area at the sectional area burner in fuel injection pipe, fuel is through burning as a result,
It is squeezed when mouth, pressure increases, to further increase the thermal energy radiation distance of fuel and Air combustion with oxygen enrichment.According to this reality
It is arranged with opening 401 with novel further embodiment, the side wall of burner 41 and on the end face of combustion zone 120.Invention
People has found, by the way that arrangement is open on the side wall of burner and end face, since on the direction of supply fuel, burner is in gradually contracting
Diameter, so that the fuel pressure through opening discharge increases, and then the thermal energy of guarantee fuel and Air combustion with oxygen enrichment is with higher
Radiation length.The diameter of another specific embodiment according to the present utility model, above-mentioned opening 401 can be 4~10mm.By
This, can further increase fuel and spray pressure, and then it is higher to be further ensured that the thermal energy of fuel and Air combustion with oxygen enrichment has
Radiation length.
Embodiment according to the present utility model, swirl vane 500 are arranged in first passage 110 and around fuel injection pipe
400.Specifically, under the action of swirl vane, the oxygen-enriched air through third channel supply can with stable pressure and uniformly
Speed flow into combustion zone mixed with fuel and it made fully to burn, and by adjusting swirl vane rotating speed may be implemented to fire
The adjustment of material and Air combustion with oxygen enrichment heat.
Specifically, fuel is supplied through fuel injection pipe to combustion zone, while oxygen-enriched air flows into second through third channel and leads to
Road and first passage, under the action of first passage inward eddy blade, oxygen-enriched air is supplied with certain pressure to combustion zone, with from
The fuel that fuel injection pipe sprays is mixed and burned, and under the action of multiple openings on burner, the pressure of fuel is enhanced, to
The heat radiation intensity and range of fuel combustion can be increased, and may be implemented to burn by the addition of fuel and oxygen-enriched air
The control of heat improves side-blown converter to raw material so as to be adjusted in 1300-1800 degrees Celsius to temperature in side-blown converter molten bath
Adaptability, be particularly suitable for the processing to regenerated resources such as electronic wastes.
According to the tuyere device for side-blown converter of the utility model embodiment, by the way that fuel injection pipe is passed through sealing group
Gas passage that part is extend into inlet base and support of duct and combustion zone arrangement is extended to, and close to fuel injection Guan Ran
The one end for burning area is disposed with the burner of multiple openings, can increase the pressure of fuel；Simultaneously in first passage in inlet base and
It arranges that swirl vane, the first passage are connected to the third channel in support of duct around fuel injection pipe, can make logical through third
The oxygen-enriched air of road supply flows into combustion zone with stable pressure and uniform speed so that fuel and oxygen-enriched air can be mixed and be filled
Point, burning it is complete, and adjust the addition of fuel and oxygen-enriched air by adjusting swirl vane rotating speed and fuel delivery rate
Amount so that side-blown converter bath temperature is adjusted in 1300-1800 degrees Celsius, to significantly improve adaptation of the side-blown converter to raw material
Property, it is particularly suitable for the regenerated resources such as processing electronic waste.
It is according to the present utility model the utility model proposes a kind of side-blown converter in another aspect of the utility model
Embodiment, side-blown converter have the above-mentioned tuyere device for side-blown converter.It can be adjusted by using above-mentioned in the side-blown converter as a result,
The tuyere device of fuel and oxygen-enriched air addition so that the temperature in the side-blown converter molten bath can be in 1300-1800 degrees Celsius
It freely adjusts, to improve its adaptability to raw material, is particularly suitable for the regenerated resources such as processing electronic waste.
In order to facilitate understanding, the method for carrying out melting using above-mentioned side-blown converter is described in detail below.According to this reality
With novel embodiment, this method includes：Fuel is supplied through fuel injection pipe to combustion zone, by oxygen-enriched air through third channel
It supplies and enters combustion zone under the action of swirl vane so that fuel and oxygen-enriched air burn in combustion zone for side-blown converter molten bath
Heat supply, to carry out melting processing to material in molten bath.Specifically, material can be electronic waste and electronic waste in molten bath
Reducing agent and additive needed for melting processing etc., for used reducing agent and additive etc., art technology can root
It is selected according to actual needs.
The concrete type of one embodiment according to the present utility model, fuel is not particularly restricted, the technology of this field
Personnel can select according to actual needs, a specific embodiment according to the present utility model, and fuel can be selected from powder
At least one of coal, natural gas and heavy oil.Adaptability of this method to fuel type is improved as a result,.
Further embodiment according to the present utility model, the oxygen content in oxygen-enriched air are not particularly restricted, this field
Technical staff can select according to actual needs, a specific embodiment according to the present utility model, oxygen-enriched air
Oxygen content can be 19-23vt%.Inventor has found, if the too high oxygen level in oxygen-enriched air, in the oxygen-enriched of equal volume
Oxygen content in air also has residue in satisfaction after the full combustion of fuel that fuel injection pipe gushes out, and causes the wave of oxygen
Take；If the oxygen content in oxygen-enriched air is too low, the oxygen content in the oxygen-enriched air of equal volume can not so that fuel is abundant
Fuel reduces the utilization rate of fuel, causes the waste of fuel.
Another embodiment according to the present utility model, when fuel is fine coal, the gas-solid ratio of oxygen-enriched air and fine coal is not
It is particularly limited, those skilled in the art can select according to actual needs, and one according to the present utility model specific
The gas-solid ratio of embodiment, oxygen-enriched air and fine coal can be 5-10m3：1kg.Inventor has found, if the gas of oxygen-enriched air and fine coal
Gu than excessively high, then oxygen-enriched air is excessive, also has residue on the basis of ensureing that fine coal is clean-burning, can so cause oxygen-enriched air
The waste of raw material；If the gas-solid ratio of oxygen-enriched air and fine coal is too low, oxygen-enriched air is insufficient, is unfavorable for fine coal and fully burns, makes
At the waste of fine coal raw material.
Another embodiment according to the present utility model, when fuel is natural gas, the volume ratio of oxygen-enriched air and natural gas
It is not particularly restricted, those skilled in the art can select according to actual needs, one according to the present utility model
The volume ratio of specific embodiment, oxygen-enriched air and natural gas can be (0.8-1.2)：10.Inventor find, if oxygen-enriched air with
The volume ratio of natural gas is excessively high, then oxygen-enriched air is excessive, also has residue, such meeting on the basis of ensureing that natural gas is clean-burning
Cause the waste of oxygen-enriched air raw material；If the volume ratio of oxygen-enriched air and natural gas is too low, oxygen-enriched air is insufficient, is unfavorable for day
Right gas fully burns, and causes the waste of gas material.
Another embodiment according to the present utility model, temperature is 1300~1800 degrees Celsius in molten bath.Thus, it can be achieved that
Processing to regenerated resources such as electronic wastes.
According to the method for carrying out melting using above-mentioned side-blown converter of the utility model embodiment, there is wind by using above-mentioned
The side-blown converter of mouthful device, fuel injection pipe extend into the gas in inlet base and support of duct across seal assembly on the tuyere device
Body channel and combustion zone arrangement is extended to, and the burnings of multiple openings is disposed in one end close to fuel injection pipe combustion zone
Mouth can increase the pressure of fuel；Simultaneously swirl vane is arranged in the first passage in inlet base and around fuel injection pipe, it should
First passage is connected to the third channel in support of duct, the oxygen-enriched air supplied through third channel can be made with stable pressure and
Uniform speed flows into combustion zone so that and fuel and oxygen-enriched air can mix abundant, burning completely side-blown converter molten bath heat supply, from
And realize the melting to material in molten bath, and under the action of the tuyere device, by adjusting tuyere device forward spin flow blade
The addition of rotating speed and fuel delivery rate adjustment fuel and oxygen-enriched air so that side-blown converter bath temperature is taken the photograph in 1300-1800
It is adjusted in family name's degree, to significantly improve adaptability of the side-blown converter to raw material, is particularly suitable for the production-goods again such as processing electronic waste
Source.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is contained at least one embodiment or example of the utility model.In the present specification, to the schematic table of above-mentioned term
It states and is necessarily directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be with
It can be combined in any suitable manner in any one or more of the embodiments or examples.In addition, without conflicting with each other, this field
Technical staff can by the feature of different embodiments or examples described in this specification and different embodiments or examples into
Row combines and combination.
Although the embodiments of the present invention have been shown and described above, it is to be understood that above-described embodiment is
Illustratively, it should not be understood as limiting the present invention, those skilled in the art are in the scope of the utility model
Inside it can make changes, modifications, alterations, and variations to the above described embodiments.
Claims (7)
1. a kind of tuyere device for side-blown converter, which is characterized in that including：
Inlet base limits first passage and combustion zone in the inlet base；
Support of duct, the support of duct is connected with one end far from the combustion zone on the inlet base, and the air hose
The second channel and third channel of connection are limited in holder, the second channel is collectively formed gas with the first passage and leads to
Road；
Seal assembly, the seal assembly are arranged in one end far from the inlet base in the gas passage；
Fuel injection pipe, the fuel injection pipe extend into the gas passage across the seal assembly and extend to described
Combustion zone arranges burner close to one end of the combustion zone on the fuel injection pipe, multiple openings is disposed on the burner；
Swirl vane, the swirl vane are arranged in the first passage and around the fuel injection pipe.
2. the tuyere device according to claim 1 for side-blown converter, which is characterized in that towards institute on the second channel
The side for stating seal assembly and the angle of the third channel are less than 90 degree.
3. the tuyere device according to claim 1 or 2 for side-blown converter, which is characterized in that the first passage and institute
It states second channel and the linear gas passage is collectively formed.
4. the tuyere device according to claim 3 for side-blown converter, which is characterized in that in the second channel described in
On the direction of first passage, the cross-sectional area of the burner is gradually reduced.
5. the tuyere device according to claim 4 for side-blown converter, which is characterized in that the side wall of the burner and close
The opening is arranged on the end face of the combustion zone.
6. the tuyere device according to claim 5 for side-blown converter, which is characterized in that a diameter of the 4 of the opening~
10mm。
7. a kind of side-blown converter, which is characterized in that the side-blown converter has is used for side-blown converter described in any one of claim 1-6
Tuyere device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721576434.1U CN207730003U (en) | 2017-11-22 | 2017-11-22 | Tuyere device and side-blown converter for side-blown converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721576434.1U CN207730003U (en) | 2017-11-22 | 2017-11-22 | Tuyere device and side-blown converter for side-blown converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207730003U true CN207730003U (en) | 2018-08-14 |
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ID=63088530
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721576434.1U Active CN207730003U (en) | 2017-11-22 | 2017-11-22 | Tuyere device and side-blown converter for side-blown converter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207730003U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109813103A (en) * | 2017-11-22 | 2019-05-28 | 中国瑞林工程技术股份有限公司 | Tuyere device and its application for side-blown converter |
-
2017
- 2017-11-22 CN CN201721576434.1U patent/CN207730003U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109813103A (en) * | 2017-11-22 | 2019-05-28 | 中国瑞林工程技术股份有限公司 | Tuyere device and its application for side-blown converter |
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| CP03 | Change of name, title or address |
Address after: 331100 Jiangxi province Yichun Fengcheng four road resource recycling industry park Patentee after: Jiangxi Huagan Ruilin Precious Metal Technology Co., Ltd. Address before: 331100 Jiangxi Yichun Fengcheng city resources recycling industry base Patentee before: JIANGXI NERIN RARE AND PRECIOUS METALS SCIENCE & TECHNOLOGY Co.,Ltd. |
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| CP03 | Change of name, title or address |