CN114134273A - Dust hood for blast furnace casting house - Google Patents
Dust hood for blast furnace casting house Download PDFInfo
- Publication number
- CN114134273A CN114134273A CN202111289196.7A CN202111289196A CN114134273A CN 114134273 A CN114134273 A CN 114134273A CN 202111289196 A CN202111289196 A CN 202111289196A CN 114134273 A CN114134273 A CN 114134273A
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- Prior art keywords
- dust
- dust hood
- tapping
- dust cage
- hood
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- 239000000428 dust Substances 0.000 title claims abstract description 212
- 238000005266 casting Methods 0.000 title claims abstract description 24
- 238000010079 rubber tapping Methods 0.000 claims abstract description 90
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 56
- 229910052742 iron Inorganic materials 0.000 claims abstract description 44
- 229910000831 Steel Inorganic materials 0.000 claims description 12
- 239000010959 steel Substances 0.000 claims description 12
- 239000002893 slag Substances 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 6
- 230000007246 mechanism Effects 0.000 claims description 5
- 239000004744 fabric Substances 0.000 claims description 4
- 239000010425 asbestos Substances 0.000 claims description 3
- 230000009970 fire resistant effect Effects 0.000 claims description 3
- 229910052895 riebeckite Inorganic materials 0.000 claims description 3
- 239000000779 smoke Substances 0.000 description 10
- 238000012423 maintenance Methods 0.000 description 8
- 239000011490 mineral wool Substances 0.000 description 5
- 238000012986 modification Methods 0.000 description 5
- 230000004048 modification Effects 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000011218 segmentation Effects 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 239000011819 refractory material Substances 0.000 description 3
- 239000004576 sand Substances 0.000 description 2
- 238000009966 trimming Methods 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 229910000746 Structural steel Inorganic materials 0.000 description 1
- YKTSYUJCYHOUJP-UHFFFAOYSA-N [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] Chemical compound [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] YKTSYUJCYHOUJP-UHFFFAOYSA-N 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000000241 respiratory effect Effects 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B7/00—Blast furnaces
- C21B7/22—Dust arresters
Abstract
The invention belongs to the technical field of blast furnace dust removal, and discloses a dust hood of a blast furnace casting house, which comprises: a slag-iron separator dust hood, a tapping main channel dust hood, a furnace door top dust hood, a tapping machine dust hood and a plugging gun dust hood; the tapping main channel dust hood is connected with the furnace door top dust hood, and the tapping machine dust hood and the plugging gun dust hood are respectively connected to two sides of the furnace door top dust hood; the top cover plates of the dust collection cover of the tapping machine and the dust collection cover of the plugging gun are both arranged into flip cover plates. The dust hood for the blast furnace casting house provided by the invention can effectively inhibit dust dissipation, ensure clean working environment and simultaneously give consideration to the convenience of operating field equipment by operators.
Description
Technical Field
The invention relates to the technical field of blast furnace dust removal, in particular to a dust hood for a blast furnace casting house.
Background
During tapping, a blast furnace generates a large amount of smoke dust in front of the blast furnace, and the smoke dust is mainly concentrated at the tapping main channel, the slag-iron separator, the swinging part, the slag channel, the iron channel and the like. The smoke dust generated by blast furnace tapping is small in particle and is in the awning of the platform, so that the smoke dust is suspended, diffused and replaced in the air for a long time, and the smoke dust has little influence on the respiratory health of workers and the surrounding environment. In the process of tapping in front of the furnace, because the tapping machine and the plugging machine are in a semi-open environment, high-speed molten iron is sprayed from the furnace door and discharged, smoke particles are small and light, the smoke particles are forwards at a high speed and are easily scattered, and part of dust escapes from the existing dust removal and collection device. As the medium and small blast furnaces are generally designed into a non-flat type casting house, semi-open type casting is adopted, the sealing effect is poor, and the phenomenon of dust dispersion is easy to cause.
Disclosure of Invention
The invention provides a dust hood for a blast furnace casting house, which solves the technical problem that dust is easy to overflow in the casting process of the casting house in the prior art.
In order to solve the technical problem, the invention provides a dust cage of a blast furnace casting house, which comprises: a slag-iron separator dust hood, a tapping main channel dust hood, a furnace door top dust hood, a tapping machine dust hood and a plugging gun dust hood;
the tapping main channel dust hood is connected with the furnace door top dust hood, and the tapping machine dust hood and the plugging gun dust hood are respectively connected to two sides of the furnace door top dust hood;
the top cover plates of the dust collection cover of the tapping machine and the dust collection cover of the plugging gun are both arranged into flip cover plates.
Furthermore, a flip cover plate of the dust collection cover of the tapping machine and a flip cover plate of the dust collection cover of the plugging gun are respectively provided with a flip traction mechanism.
Further, the flip cover pulling mechanism comprises: a hoist and a traction cable;
the first end of the traction steel cable is wound on the winch, and the second end of the traction steel cable is fixed on the flip cover plate.
Furthermore, the side wall of the dust collection cover of the tapping machine is provided with a tapping machine operation door.
Furthermore, a plugging gun operation door is arranged on the side wall of the plugging gun dust collection cover.
Furthermore, fire-resistant asbestos cloth sealing and connecting gaps are arranged between the dust hood of the iron and slag separator and the dust hood of the tapping main channel, between the dust hood of the tapping main channel and the dust hood of the top of the furnace door, between the dust hood of the tapping machine and the dust hood of the plugging gun and between the dust hood of the top of the furnace door.
Furthermore, the dust collection cover of the slag-iron separator is provided with a slag-iron separator operation door, an iron runner arch, a slag runner arch and a dust removal pipe hole.
Furthermore, a supporting reinforcing rib is arranged inside the dust collection cover of the iron and slag separator.
Furthermore, hoisting holes are formed in the dust collection cover of the iron and slag separator and the dust collection cover of the tapping main channel.
Furthermore, a working ladder stand is arranged on the outer side of the main tapping channel dust collection cover.
One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:
the blast furnace casting house dust cage that provides in this application embodiment realizes the subaerial casting house arrangement structure of small-size and medium-size and the whole cover of equipment region through the slag-iron separator dust cage, casting main ditch dust cage, furnace gate top dust cage, tapping machine dust cage and the stifled mouthful big gun dust cage that the segmentation set up, promotes sealed degree, and the very big risk that reduces the dust and dissipate guarantees the security level of environment. Meanwhile, the convenience of lifting, dismounting and mounting can be greatly improved through segmentation setting, and the hoisting operation under working and maintenance states is facilitated. Meanwhile, the top plates of the dust hood of the tapping machine and the dust hood of the plugging gun are arranged into cover plates capable of being turned over, so that dust can be prevented from dissipating in the production process, the device environment in the dust hood is opened to be diffused under the working condition of trimming and maintenance, workers can conveniently enter the dust hood to work, and personal safety is prevented from being influenced; and the equipment can be prevented from being always under the conditions of high temperature, high pressure, high humidity and the like, and the tooling state and the safety of the equipment are prevented from being influenced.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic structural view of a dust cage of a blast furnace casting house according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a furnace top dust hood and two side dust hoods of the dust hood of the blast furnace casting house in fig. 1.
Detailed Description
The technical solutions in the embodiments of the present application will be described clearly and completely with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that all the directional indications in the embodiments of the present application are only used to explain the relative position relationship, the motion situation, and the like between the components in a certain posture, and if the certain posture is changed, the directional indication is changed accordingly.
The following disclosure provides many different embodiments, or examples, for implementing different features of the application. In order to simplify the disclosure of the present application, specific example components and arrangements are described below. Of course, they are merely examples and are not intended to limit the present application. Moreover, the present application may repeat reference numerals and/or letters in the various examples, which have been repeated for purposes of simplicity and clarity and do not in themselves dictate a relationship between the various embodiments and/or arrangements discussed. In addition, examples of various specific processes and materials are provided herein, but one of ordinary skill in the art may recognize applications of other processes and/or use of other materials.
The application is described below with reference to specific embodiments in conjunction with the following drawings.
The embodiment of the application provides a dust hood for a blast furnace casting house, and solves the technical problem that dust is easy to overflow in the casting process of the casting house in the prior art.
In order to better understand the technical solutions, the technical solutions will be described in detail below with reference to the drawings and the specific embodiments of the specification, and it should be understood that the embodiments and specific features of the embodiments of the present invention are detailed descriptions of the technical solutions of the present application, and are not limitations of the technical solutions of the present application, and the technical features of the embodiments and examples of the present application may be combined with each other without conflict.
Referring to fig. 1 and 2, the embodiment provides a dust cage for a blast furnace cast house, which is used for comprehensively covering and sealing a cast house production area, especially for the working conditions of the arrangement of an overground cast house area under the condition of a medium-small blast furnace, so that dust is limited to be dissipated to the site, and the safety of production personnel is ensured.
Specifically, the blast furnace cast house dust cage comprises: a slag-iron separator dust hood 1, a tapping main channel dust hood 2, a furnace door top dust hood 3, an opening machine dust hood 4 and a plugging gun dust hood 21.
Wherein the dust cage 1 is intended to cover the area of the slag-iron separator 11 for collecting the fumes near the skimmer. The dust cage 1 of the slag-iron separator is arranged in a rectangular hollow box structure, and dust generated in the area is limited in the dust cage.
The slag-iron separator dust hood 1 is provided with a slag-iron separator operating door 9 for checking the slag-iron solidification condition in the skimmer before tapping, performing covering heat preservation operation after tapping, performing oxygen burning operation when tapping is abnormal, and the like.
The dust collection cover 1 of the slag-iron separator is provided with an iron runner arch 13 and a slag runner arch 14 which are respectively connected with corresponding iron runner and slag runner cover plates, and the arch is convenient for sand hill blocking or sand hill opening operation.
The slag-iron separator dust collection cover 1 is also provided with a dust removal pipe hole 15 which is positioned at the upper part opposite to the slag-iron separator operation door 9, the diameter of the pipe hole is slightly smaller than the inner diameter of the environmental dust removal pipe, and the outer side of the dust removal pipe hole 15 is welded with the pipe; preferably, the outer diameter of the pipeline welded on the outer side is smaller than the inner diameter of the environment dust removal pipe by 5mm, and the length of the pipeline is 15mm, so that the pipeline is connected with the environment dust removal pipeline in a nested manner, and the pipeline is convenient to hoist and dismount.
The top of the dust hood 1 of the slag-iron separator is provided with a hoisting hole 10 for moving and hoisting the dust hood under the conditions of repairing a ditch in front of a furnace or overhauling tapping of a blast furnace and the like.
The main tapping channel dust hood 2 is used for covering the area of the main tapping channel 12, is positioned right above the main tapping channel 12, is connected with the slag-iron separator dust hood 1, mainly collects the smoke dust near the main tapping channel 12, and has a rectangular hollow box-shaped structure. The outer side of the main tapping channel dust hood 2 is provided with a working ladder 16 which is mainly used for assisting the maintenance of the dust hood or the hoisting of a hook and the like.
It is worth to be noted that the height of the dust collection cover 1 of the slag-iron separator and the dust collection cover 2 of the tapping main channel is flush with the lower edge of the dust collection cover at the top of the furnace door, and the structure of the dust collection cover is composed of an outer steel plate and an inner refractory material coating; preferably, the thickness of the steel plate is 15mm, and an anchor hook is welded on the inner side of the steel plate and mainly used for fixing the refractory coating; preferably, the refractory material is an aluminum silicate refractory material, and the coating thickness is 40 mm; supporting ribs are arranged inside the dust hood 1 of the slag-iron separator and the dust hood 2 of the main tapping channel, and are made of section steel or angle iron and the like generally, so that the box body is prevented from deforming at high temperature.
The furnace door top dust collection hood 3 is positioned right above the furnace door, is shaped like a trapezoid table with a large lower part and a small upper part, is connected with a dust removal pipeline at a small area above and mainly collects smoke dust generated nearby the furnace door; the right lower part of the furnace door top dust hood 3 is flush with the top of the tapping main channel dust hood 2, the top of the plugging gun dust hood 21 and the top of the tapping machine dust hood 4.
The dust hood 4 of the tapping machine is positioned at the right side of the dust hood 3 at the top of the furnace door, is cuboid in shape and hollow in structure, and mainly prevents smoke dust of the furnace door from escaping outwards; the dust collecting cover 4 of the tapping machine is provided with a tapping machine operation door 6, and the top of the dust collecting cover is not provided with a cover plate; the arrangement of the tapping machine operation door 6 is convenient for normal tapping operation and maintenance of equipment by personnel; the temperature of the position of the dust collection cover 4 of the tapping machine is relatively low, so that the operation door 6 of the tapping machine is composed of an outer steel plate, middle refractory slag wool and steel wire meshes outside the slag wool; the inner side is welded with an anchor hook for fixing refractory slag wool; preferably, the steel plate thickness is 5mm, and middle refractory slag wool is thick 30mm, adopts refractory slag wool mainly to guarantee that the operating door is light.
The dust hood 21 of the plugging gun is positioned at the left side of the dust hood 3 of the top of the furnace door, and the other settings are similar to those of the dust hood 4 of the tapping machine.
The cover plates at the tops of the dust hood 4 of the tapping machine and the dust hood 21 of the plugging gun are both arranged into cover plates which can be turned over, namely the tops of the dust hood 4 of the tapping machine and the dust hood 21 of the plugging gun can be opened and can be contacted and diffused with the external environment, so that the temperature can be rapidly reduced, operators can conveniently enter operation related equipment, frequent high-temperature environments can be reduced, and the influence of high temperature on the equipment can be reduced.
In order to facilitate automatic operation, improve efficiency and reduce labor intensity, the flip cover plate 5 of the dust collection cover of the tapping machine and the flip cover plate 19 of the dust collection cover of the plugging gun are respectively provided with a flip traction mechanism. Namely, a left wing winch 18 and a right wing winch 7 are respectively arranged at two sides of the furnace door top dust hood 3, and the winches are connected with a flip cover plate 19 of the plugging gun dust hood and a flip cover plate 5 of the tapping machine dust hood through a traction steel cable 8; the cover plate 19 which can be turned over of the dust collection cover of the plugging gun and the cover plate 5 which can be turned over of the dust collection cover of the tapping machine can be closed or opened by opening or closing the winch during tapping; the cover plate is opened to provide a comfortable environment for the maintenance of the equipment by operators and facilitate the equipment hoisting.
When normally tapping, an operator opens the slag-iron separator operating door 9 to confirm that the slag iron is normally not solidified, then the openable cover plate 5 of the dust collection cover of the tapping machine and the openable cover plate 19 of the dust collection cover of the taphole gun are tightly covered through the right wing winch 7 and the left wing winch 18, the tapping machine operating door 6 is further opened, the tapping machine is operated to open the taphole, the tapping machine operating door 6 is closed after the taphole is normal, and the tapping condition is observed through the taphole gun observing hole or the taphole machine observing hole 17 in the tapping process. Further, after the tapping is finished and the tap hole is blocked, the slag-iron separator operation door 9 is opened to cover the heat insulation material.
Further, when the gun retreats about 30min after the iron notch is blocked, the flip cover plate 5 of the dust collection cover of the tapping machine and the flip cover plate 19 of the dust collection cover of the plugging gun are opened, and personnel enter the parts of the plugging gun and the tapping machine to perform operations such as loading and maintenance. Then ready for the next tapping.
When the work such as residual iron placement and the like is finished during the overhaul of a casting house, the dust removal fan is closed, and the slag-iron separator dust collection cover 1 is firstly hoisted to a specified position by using a crown block and placed well; further, hoisting the main tapping channel dust collection cover 2 to a specified position; further, opening the operation door 6 of the tapping machine and the operation door 20 of the plugging gun; further, opening a flip cover plate 19 of the dust collection cover of the plugging gun and a flip cover plate 5 of the dust collection cover of the tapping machine which are positioned at two sides of the dust collection cover 3 at the top of the furnace door; and then carrying out ditch repairing work. After finishing repairing the channel, firstly hoisting the main tapping channel dust hood 2 to the upper part of the main tapping channel 12, and aligning the top of the main tapping channel dust hood 2 with the lower part of the furnace door top dust hood 3; further, the slag-iron separator dust hood 1 is hoisted to the position above the slag-iron separator 11, is aligned with the connecting part of the tapping main channel dust hood 2, and is sealed by refractory asbestos cloth.
In order to improve the sealing performance badly and avoid dust dissipation, fire-resistant stone cotton cloth sealing and linking gaps are arranged between the slag-iron separator dust hood 1 and the tapping main channel dust hood 2, between the tapping main channel dust hood 2 and the furnace door top dust hood 3, between the tapping machine dust hood 4 and the plugging gun dust hood 21 and the furnace door top dust hood 3.
One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:
the blast furnace casting house dust cage that provides in this application embodiment realizes the subaerial casting house arrangement structure of small-size and medium-size and the whole cover of equipment region through the slag-iron separator dust cage, casting main ditch dust cage, furnace gate top dust cage, tapping machine dust cage and the stifled mouthful big gun dust cage that the segmentation set up, promotes sealed degree, and the very big risk that reduces the dust and dissipate guarantees the security level of environment. Meanwhile, the convenience of lifting, dismounting and mounting can be greatly improved through segmentation setting, and the hoisting operation under working and maintenance states is facilitated. Meanwhile, the top plates of the dust hood of the tapping machine and the dust hood of the plugging gun are arranged into cover plates capable of being turned over, so that dust can be prevented from dissipating in the production process, the device environment in the dust hood is opened to be diffused under the working condition of trimming and maintenance, workers can conveniently enter the dust hood to work, and personal safety is prevented from being influenced; and the equipment can be prevented from being always under the conditions of high temperature, high pressure, high humidity and the like, and the tooling state and the safety of the equipment are prevented from being influenced.
In this application, unless expressly stated or limited otherwise, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be construed as limiting the present application.
In addition, descriptions in this application as to "first", "second", etc. are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present application.
In the description of the present invention, unless otherwise expressly specified or limited, the first feature "on" or "under" the second feature may comprise the first and second features being in direct contact, or may comprise the first and second features being in contact, not directly, but via another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description herein, reference to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by those skilled in the art
While the preferred embodiments of the present application have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all alterations and modifications as fall within the scope of the application.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.
Claims (10)
1. A blast furnace casting house dust cage is characterized by comprising: a slag-iron separator dust hood, a tapping main channel dust hood, a furnace door top dust hood, a tapping machine dust hood and a plugging gun dust hood;
the tapping main channel dust hood is connected with the furnace door top dust hood, and the tapping machine dust hood and the plugging gun dust hood are respectively connected to two sides of the furnace door top dust hood;
the top cover plates of the dust collection cover of the tapping machine and the dust collection cover of the plugging gun are both arranged into flip cover plates.
2. The dust cage of a blast furnace tapping site as claimed in claim 1, wherein the flip cover plate of the dust cage of the tapping machine and the flip cover plate of the dust cage of the plugging gun are respectively provided with a flip pulling mechanism.
3. The blast furnace cast house dust cage of claim 2, wherein the flip cover pulling mechanism comprises: a hoist and a traction cable;
the first end of the traction steel cable is wound on the winch, and the second end of the traction steel cable is fixed on the flip cover plate.
4. The dust cage of claim 1, wherein the side wall of the dust cage of the tapping machine is provided with a door for operating the tapping machine.
5. The dust cage of claim 1, wherein a muzzle gun operating door is provided on a side wall of the dust cage of the muzzle gun.
6. The dust cage of claim 1, wherein fire-resistant asbestos cloth sealing engagement gaps are provided between the dust cage of the slag-iron separator and the dust cage of the tap hole main channel, between the dust cage of the tap hole main channel and the dust cage of the top of the furnace door, and between the dust cage of the tapping machine and the dust cage of the taphole gun and the dust cage of the top of the furnace door.
7. The dust cage of claim 1, wherein the dust cage of the slag-iron separator is provided with a slag-iron separator operating door, an iron runner arch, a slag runner arch and a dust removal pipe hole.
8. The dust cage of a blast furnace tapping floor as claimed in claim 1, wherein a support rib is provided inside the dust cage of the slag-iron separator.
9. The dust cage of claim 1, wherein the dust cage of the slag-iron separator and the dust cage of the main tapping runner are provided with lifting holes.
10. The dust cage of a blast furnace tapping field as claimed in claim 1, wherein a working ladder is provided outside the dust cage of the tapping main channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111289196.7A CN114134273A (en) | 2021-11-02 | 2021-11-02 | Dust hood for blast furnace casting house |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111289196.7A CN114134273A (en) | 2021-11-02 | 2021-11-02 | Dust hood for blast furnace casting house |
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| Publication Number | Publication Date |
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| CN114134273A true CN114134273A (en) | 2022-03-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111289196.7A Pending CN114134273A (en) | 2021-11-02 | 2021-11-02 | Dust hood for blast furnace casting house |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115433795A (en) * | 2022-09-14 | 2022-12-06 | 唐山学院 | Device and method for preventing smoke dust from overflowing in blast furnace casting house |
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| KR20100110049A (en) * | 2009-04-02 | 2010-10-12 | 주식회사 보광기계 | Cast house having an apparatus to control dust collecting holes for enhancing dust collecting efficiency of around a tilting runner when melted iron is released from a blast furnace |
| CN209307415U (en) * | 2018-12-04 | 2019-08-27 | 庞师艳 | A kind of Iron Works dedusting mechanism |
| CN210420015U (en) * | 2019-06-26 | 2020-04-28 | 陕西龙门钢铁有限责任公司 | Blast furnace front cast house totally enclosed dust excluding hood |
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2021
- 2021-11-02 CN CN202111289196.7A patent/CN114134273A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20100110049A (en) * | 2009-04-02 | 2010-10-12 | 주식회사 보광기계 | Cast house having an apparatus to control dust collecting holes for enhancing dust collecting efficiency of around a tilting runner when melted iron is released from a blast furnace |
| CN201459171U (en) * | 2009-05-26 | 2010-05-12 | 中冶南方工程技术有限公司 | Dust removal cover for blast furnace top |
| CN209307415U (en) * | 2018-12-04 | 2019-08-27 | 庞师艳 | A kind of Iron Works dedusting mechanism |
| CN210420015U (en) * | 2019-06-26 | 2020-04-28 | 陕西龙门钢铁有限责任公司 | Blast furnace front cast house totally enclosed dust excluding hood |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115433795A (en) * | 2022-09-14 | 2022-12-06 | 唐山学院 | Device and method for preventing smoke dust from overflowing in blast furnace casting house |
| CN115433795B (en) * | 2022-09-14 | 2023-12-05 | 唐山学院 | Device and method for preventing smoke dust from overflowing in blast furnace cast house |
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| PB01 | Publication | ||
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Application publication date: 20220304 |