CN118548709A - Steel mill electric furnace flue gas treatment process - Google Patents
Steel mill electric furnace flue gas treatment process Download PDFInfo
- Publication number
- CN118548709A CN118548709A CN202410617484.8A CN202410617484A CN118548709A CN 118548709 A CN118548709 A CN 118548709A CN 202410617484 A CN202410617484 A CN 202410617484A CN 118548709 A CN118548709 A CN 118548709A
- Authority
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- China
- Prior art keywords
- flue gas
- movable closed
- closed cover
- cover
- electric furnace
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- 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.)
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Links
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 98
- 239000003546 flue gas Substances 0.000 title claims abstract description 98
- 238000000034 method Methods 0.000 title claims abstract description 36
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 17
- 239000010959 steel Substances 0.000 title claims abstract description 17
- 239000000428 dust Substances 0.000 claims abstract description 55
- 238000000746 purification Methods 0.000 claims abstract description 34
- 238000003723 Smelting Methods 0.000 claims abstract description 17
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 17
- 238000007664 blowing Methods 0.000 claims abstract description 17
- 239000001301 oxygen Substances 0.000 claims abstract description 17
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 17
- 238000007600 charging Methods 0.000 claims abstract description 15
- 238000010079 rubber tapping Methods 0.000 claims abstract description 15
- 239000007789 gas Substances 0.000 claims abstract description 9
- 239000000779 smoke Substances 0.000 claims description 16
- 230000001960 triggered effect Effects 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910052681 coesite Inorganic materials 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 229910052906 cristobalite Inorganic materials 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 210000004072 lung Anatomy 0.000 description 1
- 230000004199 lung function Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 210000002345 respiratory system Anatomy 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 229910052682 stishovite Inorganic materials 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 229910052905 tridymite Inorganic materials 0.000 description 1
Landscapes
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
Abstract
The invention provides a steel mill electric furnace flue gas treatment process, which adopts a flue gas trapping device, wherein the flue gas trapping device comprises a movable closed cover, a roof cover, a flue gas purifying device, a centrifugal fan and a chimney; the movable closed cover can move between a movable closed cover opening limit and a movable closed cover closing limit; a roof cover pipeline electric butterfly valve is arranged between the roof cover and the flue gas purification device, and a movable closed cover pipeline electric butterfly valve is arranged between the dust hood and the flue gas purification device; the flue gas purification device is used for collecting and purifying flue gas generated in the oxygen blowing process of electric furnace smelting through the movable closed cover and the dust hood, or collecting and purifying flue gas generated in the charging and tapping processes of the electric furnace through the roof cover. The technical scheme of the invention can ensure that all overflow flue gas generated during charging, smelting, oxygen blowing and tapping of the electric furnace is captured for centralized dust removal and purification treatment, and ensure that the gas after dust removal and purification can reach the emission standard.
Description
Technical Field
The invention relates to the technical field of steel mill electric furnace flue gas treatment, in particular to a steel mill electric furnace flue gas treatment process.
Background
The main components of the flue gas of the electric furnace comprise FeO, fe 2O3、SiO2, mnO, dust and black brown flue gas generated after the combustion of grease, the particle size range of the dust is about 0.01-80 mu m, and the flue gas belongs to the range of ultra-fine dust. Most of the dust can enter the lung of a human body through the respiratory tract, so that the lung function is damaged, and an effective and complete flue gas dust removal system is required to be adopted, so that the on-site operation environment is ensured.
Disclosure of Invention
In order to realize the treatment of the flue gas of the electric furnace of the steel mill, the invention provides a flue gas treatment process of the electric furnace of the steel mill, which is characterized in that the flue gas generated in the processes of charging, tapping, smelting, oxygen blowing and the like is captured by a movable closed cover dust removal system and a roof cover dust removal system, is sucked into a flue gas purification device through a centrifugal fan to be treated to reach the standard, and is discharged through a chimney.
The invention adopts the following technical means:
the flue gas treatment process of the electric furnace of the steel mill adopts a flue gas trapping device, wherein the flue gas trapping device comprises a movable closed cover, a roof cover, a flue gas purifying device, a centrifugal fan and a chimney;
The movable closed cover and the roof cover are both positioned above the electric furnace;
The movable closed cover is arranged on a supporting platform above the electric furnace and can move between a movable closed cover opening limit and a movable closed cover closing limit; the bottom of the movable closed cover is provided with a smoke collection port, and the side surface of the movable closed cover is provided with a dust hood connection port; a dust hood which can be connected with the dust hood connecting port is arranged on the supporting platform at the limit position of the movable closed hood;
The roof cover and the dust hood are respectively communicated with the flue gas purification device through pipelines, a roof cover pipeline electric butterfly valve is arranged on a pipeline between the roof cover and the flue gas purification device, and a movable closed cover pipeline electric butterfly valve is arranged on a pipeline between the dust hood and the flue gas purification device;
the centrifugal fan is respectively communicated with the flue gas purification device and the chimney;
The flue gas purifying device is used for collecting and purifying flue gas generated in the oxygen blowing process of electric furnace smelting through the movable closed cover and the dust hood, or collecting and purifying flue gas generated in the charging and tapping processes of the electric furnace through the roof cover; the centrifugal fan is used for sucking the smoke into the smoke purification device and discharging the gas treated by the smoke purification device through the chimney.
Further, a vertical plate is arranged on the supporting platform at the limit position of the movable closed cover, and the dust hood is arranged on the vertical plate; when the movable closed cover moves to the movable closed cover closing limit, the vertical plate is attached to the side face of the movable closed cover, and the dust hood can be connected with the dust hood connecting port, so that the dust hood is communicated with the movable closed cover.
Further, when the movable closed cover is positioned at the limit of the movable closed cover, the movable closed cover is positioned between the roof cover and the electric furnace, and the flue gas collecting port faces the electric furnace; when the movable closed cover is positioned at the opening limit position of the movable closed cover, the movable closed cover leaves the space between the roof cover and the electric furnace.
Further, when the electric furnace is used for smelting and blowing oxygen, the movable closed cover moves to the position where the movable closed cover is closed on the supporting platform, the dust hood is connected to the dust hood connecting port, the electric butterfly valve of the roof hood pipeline is closed, the electric butterfly valve of the movable closed cover pipeline is opened, after the flue gas purifying device and the centrifugal fan are opened, flue gas generated in the smelting and blowing oxygen process of the electric furnace is sucked into the flue gas purifying device for purifying treatment through the movable closed cover and the dust hood, and the treated gas is discharged through the chimney.
Further, when the electric furnace is used for charging and tapping, the movable closed cover moves to the position on the supporting platform, the movable closed cover is opened for limiting, the electric butterfly valve of the pipeline of the roof cover is opened, the electric butterfly valve of the pipeline of the movable closed cover is closed, the flue gas purifying device and the centrifugal fan are opened, flue gas generated in the charging and tapping process of the electric furnace is sucked into the flue gas purifying device for purifying treatment through the roof cover, and the treated gas is discharged through the chimney.
Further, the flue gas capturing device further comprises a controller, an opening limit proximity switch is arranged at the opening limit position of the movable closed cover, a related limit proximity switch is arranged at the closing limit position of the movable closed cover, and the opening limit proximity switch, the Guan Xianwei proximity switch, the roof cover pipeline electric butterfly valve and the movable closed cover pipeline electric butterfly valve are respectively and electrically connected with the controller;
When the movable closed cover moves to the movable closed cover closing limit, the Guan Xianwei proximity switch is triggered and sends a signal to the controller, and the controller controls the electric butterfly valve of the roof cover pipeline to be closed and the electric butterfly valve of the movable closed cover pipeline to be opened;
When the movable closed cover moves to the opening limit of the movable closed cover, the opening limit proximity switch is triggered and sends a signal to the controller, and the controller controls the opening of the electric butterfly valve of the roof cover pipeline and the closing of the electric butterfly valve of the movable closed cover pipeline.
Compared with the prior art, the invention has the following advantages:
The steel mill electric furnace flue gas treatment process provided by the invention can ensure that the overflow flue gas generated during charging, smelting, oxygen blowing and tapping of the electric furnace is completely captured and sent into a flue gas purification device for centralized dust removal and purification treatment, so that the gas after dust removal and purification can reach the emission standard; the smoke trapping device provided by the invention has good effect, the suction port is reasonably arranged, and all the escaping smoke dust of the electric furnace can be collected, so that the collection effect of the smoke generated during production of the electric furnace is ensured, no visible smoke dust is realized, and the environment-friendly requirement is met; and through the limit of the movable closed cover and the interlocking of the pipeline valve, the full-automatic switching along with different stages of production is realized, and meanwhile, the energy-saving effect is achieved.
Based on the reasons, the invention can be widely popularized in the field of electric furnace flue gas treatment in steel mills.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings may be obtained according to the drawings without inventive effort to a person skilled in the art.
FIG. 1 is a flow chart of an oxygen blowing process for electric furnace smelting.
Fig. 2 is a flow chart of the charging and tapping process of the electric furnace.
In the figure: 1. moving the closed cover to open and limit; 2. moving the closed cover; 3. a roof cover; 4. roof cover pipeline electric butterfly valve; 5. moving the closing cap Guan Xianwei; 6. moving the electric butterfly valve of the closed cover pipeline; 7. a flue gas purifying device; 8. a centrifugal fan; 9. a chimney; 10. a dust hood.
Detailed Description
It should be noted that, without conflict, the embodiments of the present invention and features of the embodiments may be combined with each other. The invention will be described in detail below with reference to the drawings in connection with embodiments.
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the invention, its application, or uses. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present invention. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
The relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless it is specifically stated otherwise. Meanwhile, it should be clear that the dimensions of the respective parts shown in the drawings are not drawn in actual scale for convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail, but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.
In the description of the present invention, it should be understood that the azimuth or positional relationships indicated by the azimuth terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal", and "top, bottom", etc., are generally based on the azimuth or positional relationships shown in the drawings, merely to facilitate description of the present invention and simplify the description, and these azimuth terms do not indicate and imply that the apparatus or elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present invention: the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.
Spatially relative terms, such as "above … …," "above … …," "upper surface on … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
In addition, the terms "first", "second", etc. are used to define the components, and are only for convenience of distinguishing the corresponding components, and the terms have no special meaning unless otherwise stated, and therefore should not be construed as limiting the scope of the present invention.
Example 1
As shown in fig. 1-2, the invention provides a steel factory electric furnace flue gas treatment process, which adopts a flue gas trapping device, wherein the flue gas trapping device comprises a movable closed cover 2, a roof cover 3, a flue gas purifying device 7, a centrifugal fan 8 and a chimney 9;
The movable closed cover 2 and the roof cover 3 are both positioned above the electric furnace;
The movable closed cover 2 is arranged on a supporting platform above the electric furnace and can move between a movable closed cover opening limit 1 and a movable closed cover closing limit 5 along a guide rail on the supporting platform; the bottom of the movable closed cover 2 is provided with a smoke collection port, and the side surface of the movable closed cover is provided with a dust hood connection port; a dust hood 10 which can be connected with the dust hood connecting port is arranged on the support platform at the position of the movable closed hood closing limit 5;
the roof cover 3 and the dust hood 10 are respectively communicated with the flue gas purification device 7 through pipelines, a roof cover pipeline electric butterfly valve 4 is arranged on the pipeline between the roof cover 3 and the flue gas purification device 7, and a movable closed cover pipeline electric butterfly valve 6 is arranged on the pipeline between the dust hood 10 and the flue gas purification device 7;
The centrifugal fan 8 is respectively communicated with the flue gas purification device 7 and the chimney 9;
the flue gas purifying device 7 is used for collecting and purifying flue gas generated in the oxygen blowing process of electric furnace smelting through the movable closed cover 2 and the dust hood 10 or collecting and purifying flue gas generated in the charging and tapping process of the electric furnace through the roof cover 3; the centrifugal fan 8 is used for sucking the flue gas into the flue gas purification device 7, and discharging the gas processed by the flue gas purification device 7 through the chimney 9.
Further, a vertical plate is arranged on the supporting platform at the position of the movable closed cover closing limit 5, and the dust hood 10 is arranged on the vertical plate; when the movable closed cover 2 moves to the movable closed cover closing limit 5, the vertical plate is attached to the side face of the movable closed cover 2, and the dust hood 10 can be connected with the dust hood connecting port, so that the dust hood 10 is communicated with the movable closed cover 2.
Further, when the movable closed cover 2 is positioned at the movable closed cover closing limit 5, the movable closed cover 2 is positioned between the roof cover 3 and the electric furnace, and the flue gas collecting port faces the electric furnace; when the movable closed cover 2 is positioned at the movable closed cover opening limit 1, the movable closed cover 2 leaves the space between the roof cover 3 and the electric furnace.
Further, when the electric furnace performs smelting and oxygen blowing, the movable closed cover 2 moves to the movable closed cover closing limit 5 along the guide rail on the supporting platform, as shown in fig. 1, the vertical plate is attached to the side surface of the movable closed cover 2, the dust hood 10 is connected to the dust hood connecting port, the electric butterfly valve 4 of the roof cover pipeline is closed, the electric butterfly valve 6 of the movable closed cover pipeline is opened, after the flue gas purifying device 7 and the centrifugal fan 8 are opened, flue gas generated in the smelting and oxygen blowing process of the electric furnace is sucked into the flue gas purifying device 7 through the movable closed cover 2 and the dust hood 10 for purification treatment, and is discharged through the chimney 9 after reaching standards; because the electric furnace is closed when smelting and oxygen blowing are performed, the flue gas generated in the smelting and oxygen blowing process of the electric furnace can be collected by the movable closed cover 2 at a shorter distance.
Further, when the electric furnace is charged and tapped, the movable closed cover 2 moves to the movable closed cover opening limit 1 along a guide rail on the supporting platform, as shown in fig. 2, the electric butterfly valve 4 of the roof cover pipeline is opened, the electric butterfly valve 6 of the movable closed cover pipeline is closed, the flue gas purifying device 7 and the centrifugal fan 8 are opened, and flue gas generated in the charging and tapping process of the electric furnace is sucked into the flue gas purifying device 7 through the roof cover 3 for purifying treatment, and is discharged through the chimney 9 after reaching standards; since the electric furnace needs to carry out related operations above the electric furnace when charging and tapping, and an operation space needs to be reserved, the roof cover 3 above the electric furnace is adopted to collect smoke generated in the charging and tapping process of the electric furnace.
Further, the flue gas capturing device further comprises a controller, an opening limit proximity switch is arranged at the opening limit 1 of the movable closed cover, a closing limit proximity switch is arranged at the closing limit 5 of the movable closed cover, and the opening limit proximity switch, the Guan Xianwei proximity switch, the roof cover pipeline electric butterfly valve 4 and the movable closed cover pipeline electric butterfly valve 6 are respectively and electrically connected with the controller;
When the movable closed cover 2 moves to the movable closed cover closing limit 5, the Guan Xianwei proximity switch is triggered and sends a signal to the controller, and the controller controls the electric butterfly valve 4 of the roof cover pipeline to be closed and the electric butterfly valve 6 of the movable closed cover pipeline to be opened;
When the movable closed cover 2 moves to the movable closed cover opening limit 1, the opening limit proximity switch is triggered and sends a signal to the controller, and the controller controls the electric butterfly valve 4 of the roof cover pipeline to be opened and the electric butterfly valve 6 of the movable closed cover pipeline to be closed.
Further, the controller adopts a PLC controller, and the PLC controller can also control the opening and closing of the flue gas purifying device 7 and the centrifugal fan 8; the smoke purifying device 7 can adopt the existing smoke purifier.
The flue gas trapping device can trap the flue gas generated in the processes of charging, tapping, smelting, oxygen blowing and the like, and the flue gas is sucked into the flue gas purifying device through the air pipe by the centrifugal fan to reach the standard, and then is discharged through the chimney.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced with equivalents; such modifications and substitutions do not depart from the spirit of the technical solutions according to the embodiments of the present invention.
Claims (6)
1. The flue gas treatment process for the electric furnace of the steel mill is characterized by adopting a flue gas trapping device, wherein the flue gas trapping device comprises a movable closed cover, a roof cover, a flue gas purifying device, a centrifugal fan and a chimney;
The movable closed cover and the roof cover are both positioned above the electric furnace;
The movable closed cover is arranged on a supporting platform above the electric furnace and can move between a movable closed cover opening limit and a movable closed cover closing limit; the bottom of the movable closed cover is provided with a smoke collection port, and the side surface of the movable closed cover is provided with a dust hood connection port; a dust hood which can be connected with the dust hood connecting port is arranged on the supporting platform at the limit position of the movable closed hood;
The roof cover and the dust hood are respectively communicated with the flue gas purification device through pipelines, a roof cover pipeline electric butterfly valve is arranged on a pipeline between the roof cover and the flue gas purification device, and a movable closed cover pipeline electric butterfly valve is arranged on a pipeline between the dust hood and the flue gas purification device;
the centrifugal fan is respectively communicated with the flue gas purification device and the chimney;
The flue gas purifying device is used for collecting and purifying flue gas generated in the oxygen blowing process of electric furnace smelting through the movable closed cover and the dust hood, or collecting and purifying flue gas generated in the charging and tapping processes of the electric furnace through the roof cover; the centrifugal fan is used for sucking the smoke into the smoke purification device and discharging the gas treated by the smoke purification device through the chimney.
2. The steel mill electric furnace flue gas treatment process according to claim 1, wherein a vertical plate is arranged on the supporting platform at the limit position of the movable closed cover, and the dust hood is arranged on the vertical plate; when the movable closed cover moves to the movable closed cover closing limit, the vertical plate is attached to the side face of the movable closed cover, and the dust hood can be connected with the dust hood connecting port, so that the dust hood is communicated with the movable closed cover.
3. The steel mill electric furnace flue gas treatment process according to claim 1, wherein when the movable closed cover is positioned at the movable closed cover closing limit, the movable closed cover is positioned between the roof cover and the electric furnace, and the flue gas collection port is oriented to the electric furnace; when the movable closed cover is positioned at the opening limit position of the movable closed cover, the movable closed cover leaves the space between the roof cover and the electric furnace.
4. The steel mill electric furnace flue gas treatment process according to claim 1, wherein when the electric furnace is used for smelting and blowing oxygen, the movable closed hood is moved to the movable closed hood closing limit on the supporting platform, the dust hood is connected to the dust hood connecting port, the electric butterfly valve of the roof hood pipeline is closed, the electric butterfly valve of the movable closed hood pipeline is opened, after the flue gas purification device and the centrifugal fan are opened, flue gas generated in the electric furnace smelting and blowing oxygen process is sucked into the flue gas purification device through the movable closed hood and the dust hood for purification treatment, and the treated gas is discharged through the chimney.
5. The steel mill electric furnace flue gas treatment process according to claim 1, wherein when the electric furnace is charged and tapped, the movable closed cover moves to the movable closed cover opening limit on the supporting platform, the electric butterfly valve of the roof cover pipeline is opened, the electric butterfly valve of the movable closed cover pipeline is closed, the flue gas purification device and the centrifugal fan are opened, flue gas generated in the charging and tapping process of the electric furnace is sucked into the flue gas purification device through the roof cover for purification treatment, and the treated gas is discharged through the chimney.
6. The steel mill electric furnace flue gas treatment process according to claim 1, wherein the flue gas capturing device further comprises a controller, an on-limit proximity switch is installed at an on-limit position of the movable closed cover, a related on-limit proximity switch is installed at an off-limit position of the movable closed cover, and the on-limit proximity switch, the Guan Xianwei proximity switch, the roof cover pipeline electric butterfly valve and the movable closed cover pipeline electric butterfly valve are respectively and electrically connected with the controller;
When the movable closed cover moves to the movable closed cover closing limit, the Guan Xianwei proximity switch is triggered and sends a signal to the controller, and the controller controls the electric butterfly valve of the roof cover pipeline to be closed and the electric butterfly valve of the movable closed cover pipeline to be opened;
When the movable closed cover moves to the opening limit of the movable closed cover, the opening limit proximity switch is triggered and sends a signal to the controller, and the controller controls the opening of the electric butterfly valve of the roof cover pipeline and the closing of the electric butterfly valve of the movable closed cover pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410617484.8A CN118548709A (en) | 2024-05-17 | 2024-05-17 | Steel mill electric furnace flue gas treatment process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410617484.8A CN118548709A (en) | 2024-05-17 | 2024-05-17 | Steel mill electric furnace flue gas treatment process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN118548709A true CN118548709A (en) | 2024-08-27 |
Family
ID=92443446
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410617484.8A Pending CN118548709A (en) | 2024-05-17 | 2024-05-17 | Steel mill electric furnace flue gas treatment process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN118548709A (en) |
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2024
- 2024-05-17 CN CN202410617484.8A patent/CN118548709A/en active Pending
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