CN115404294B - Blast furnace tuyere large sleeve mounting and aligning device - Google Patents
Blast furnace tuyere large sleeve mounting and aligning device Download PDFInfo
- Publication number
- CN115404294B CN115404294B CN202211048612.9A CN202211048612A CN115404294B CN 115404294 B CN115404294 B CN 115404294B CN 202211048612 A CN202211048612 A CN 202211048612A CN 115404294 B CN115404294 B CN 115404294B
- Authority
- CN
- China
- Prior art keywords
- blast furnace
- furnace tuyere
- large sleeve
- roller
- tuyere large
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B7/00—Blast furnaces
- C21B7/16—Tuyéres
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Blast Furnaces (AREA)
Abstract
The invention discloses a blast furnace tuyere large sleeve mounting and aligning device which is used for mounting a blast furnace tuyere large sleeve and a blast furnace shell, and comprises a bearing part, an adjusting part and an inserting part, wherein the adjusting part is arranged on the upper side of the bearing part and is connected with a shaft hole of the bearing part so as to rotate around an axis extending along the up-down direction relative to the bearing part; the inserting part is arranged on the adjusting part and is used for inserting a blast furnace tuyere large sleeve; when the adjusting part rotates, the inserting part can drive the blast furnace tuyere large sleeve to rotate so as to adjust the position of the blast furnace tuyere large sleeve, so that the flange surface of the blast furnace tuyere large sleeve is parallel to the flange surface of the blast furnace shell; so, if the clearance between each position of the big cover of blast furnace tuyere and its corresponding blast furnace shell flange is uneven, then the accessible rotates the big cover of regulation portion drive blast furnace tuyere and rotates, changes the position of the big cover of blast furnace tuyere for the flange face of the big cover of blast furnace tuyere is parallel with the flange face of blast furnace shell, improves the accuracy of counterpoint, and easy operation is convenient, and avoided the damage to other equipment, improves installation effectiveness.
Description
Technical Field
The invention relates to the technical field of blast furnace tuyere large sleeve installation equipment, in particular to a blast furnace tuyere large sleeve installation alignment device.
Background
In blast furnace construction, the tuyere large sleeve is important equipment for installing at a tuyere, and the installation effect of the large sleeve also influences the installation of the inner middle sleeve small sleeve. After the flange at the tuyere is welded with the furnace shell, the installation of the tuyere large sleeve and the bolt fastening of the large sleeve flange and the furnace shell flange are performed immediately. However, in the prior construction, because the air port platform space is smaller and the bearing is limited, large hoisting equipment cannot be supported, the self weight of the large sleeve is larger, the large sleeve is in a barrel shape with small inside and large outside, when the large sleeve is placed in the furnace shell flange, the conditions of inconsistent axis of the furnace shell flange and the like are extremely easy to form, and only the chain block is installed by manually pulling the chain block up and down, so that the installation is difficult, even other equipment is damaged in the installation process, and the labor efficiency is low.
Disclosure of Invention
The invention mainly aims to provide a blast furnace tuyere large sleeve mounting and aligning device which aims to solve the problems.
In order to achieve the above object, the present invention provides a blast furnace tuyere large sleeve mounting alignment device for mounting a blast furnace tuyere large sleeve and a blast furnace shell, the alignment device comprising:
a carrying part;
the adjusting part is arranged on the upper side of the bearing part and is connected with the bearing part shaft hole so as to rotate around an axis extending along the up-down direction relative to the bearing part; the method comprises the steps of,
the inserting part is arranged on the adjusting part and used for inserting a blast furnace tuyere large sleeve;
when the adjusting part rotates, the inserting part can drive the blast furnace tuyere large sleeve to rotate so as to adjust the position of the blast furnace tuyere large sleeve, and the flange surface of the blast furnace tuyere large sleeve is parallel to the flange surface of the blast furnace shell.
Optionally, at least one slider is disposed between the bearing portion and the adjusting portion.
Optionally, two sliding blocks are arranged between the bearing part and the adjusting part, and the two sliding blocks are arranged at intervals along the first direction;
wherein the first direction and the up-down direction are mutually perpendicular in the plane.
Optionally, the adjusting portion is disposed to extend along the first direction;
the adjusting part is provided with a baffle plate extending along the up-down direction, the baffle plate and the inserting part are arranged at intervals along the first direction and are arranged on one side of the inserting part close to the blast furnace tuyere large sleeve, so that when the inserting part is inserted into the blast furnace tuyere large sleeve, the baffle plate penetrates through the blast furnace tuyere large sleeve and is abutted with one end face of the blast furnace tuyere large sleeve, which is far away from the flange seat;
wherein the first direction and the up-down direction are mutually perpendicular in the plane.
Optionally, the plugging portion includes at least one set of roller assemblies, each set of roller assemblies includes two rollers, the two rollers are disposed at intervals along the second direction, and each roller is movable relative to the bearing portion about an axis extending along the first direction;
wherein, the up-down direction, the first direction and the second direction are arranged in the horizontal plane in a mutually perpendicular way.
Optionally, the grafting portion includes two sets of roller subassemblies, and two sets of roller subassemblies set up along first direction interval, and the surface of each roller is used for laminating with the inner wall of blast furnace tuyere big sleeve mutually.
Optionally, the plug-in portion further includes a roller seat, the roller seat is detachably mounted on the adjusting portion, and an upper shaft hole of the roller seat is connected with a roller.
Optionally, the lower side of the bearing part is fixedly connected with a plug rod, and the plug rod extends along the first direction and is provided with a plug hole along the first direction.
According to the technical scheme, the blast-furnace tuyere large sleeve mounting and aligning device is provided and used for mounting the blast-furnace tuyere large sleeve and a blast-furnace shell, and comprises a bearing part, an adjusting part and an inserting part, wherein the adjusting part can rotate around an axis extending along the up-down direction relative to the bearing part, the inserting part is used for connecting the adjusting part and the blast-furnace tuyere large sleeve, so that when the blast-furnace tuyere large sleeve stretches into the flange of the blast-furnace shell, if gaps between each part of the blast-furnace tuyere large sleeve and the flange of the corresponding blast-furnace shell are uneven, the blast-furnace tuyere large sleeve can be driven to rotate by rotating the adjusting part, the position of the blast-furnace tuyere large sleeve is changed, so that the flange surface of the blast-furnace tuyere large sleeve is parallel to the flange surface of the blast-furnace shell, namely, the gaps between each part of the blast-furnace tuyere large sleeve and the flange of the corresponding blast-furnace shell are the same, the aligning accuracy is improved, the operation is simple and convenient, damage to other equipment is avoided, and the mounting efficiency is improved.
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 only some embodiments of the present invention, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of an alignment device according to the present invention;
FIG. 2 is a schematic view of the alignment device of FIG. 1 prior to installation with a tuyere large sleeve of a blast furnace;
FIG. 3 is a schematic view of the alignment device and the tuyere large sleeve of the blast furnace in FIG. 1 in a mounted and positioned state.
Reference numerals illustrate:
| reference numerals | Name of the name | Reference numerals | Name of the name |
| 100 | Alignment device | 4 | Sliding block |
| 1 | Bearing part | 5 | Baffle plate |
| 2 | Adjusting part | 6 | Inserted bar |
| 3 | Plug-in part | 200 | Blast furnace tuyere large sleeve |
| 31 | Roller cylinder | 300 | Blast furnace shell |
| 32 | Roller seat | 400 | Fork of forklift |
The achievement of the objects, functional features and advantages of the present invention will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. 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.
In blast furnace construction, the tuyere large sleeve is important equipment for installing at a tuyere, and the installation effect of the large sleeve also influences the installation of the inner middle sleeve small sleeve. After the flange at the tuyere is welded with the furnace shell, the installation of the tuyere large sleeve and the bolt fastening of the large sleeve flange and the furnace shell flange are performed immediately. However, in the prior construction, because the air port platform space is smaller and the bearing is limited, large hoisting equipment cannot be supported, the self weight of the large sleeve is larger, the large sleeve is in a barrel shape with small inside and large outside, when the large sleeve is placed in the furnace shell flange, the conditions of inconsistent axis of the furnace shell flange and the like are extremely easy to form, and only the chain block is installed by manually pulling the chain block up and down, so that the installation is difficult, even other equipment is damaged in the installation process, and the labor efficiency is low.
In view of the above, the present invention provides a blast furnace tuyere large sleeve mounting alignment device, and fig. 1 and fig. 2 are an embodiment of the alignment device provided by the present invention.
Referring to fig. 1 to 3, the alignment device 100 is used for installing a blast furnace tuyere large sleeve 200 and a blast furnace shell 300, and comprises a bearing portion 1, an adjusting portion 2 and an inserting portion 3, wherein the adjusting portion 2 is arranged on the upper side of the bearing portion 1 and is connected with a shaft hole of the bearing portion 1 so as to rotate around an axis extending along the up-down direction relative to the bearing portion 1; the inserting part 3 is arranged on the adjusting part 2 and is used for inserting the blast furnace tuyere large sleeve 200; when the adjusting part 2 rotates, the inserting part 3 can drive the blast furnace tuyere large sleeve 200 to rotate so as to adjust the position of the blast furnace tuyere large sleeve 200, so that the flange surface of the blast furnace tuyere large sleeve 200 is parallel to the flange surface of the blast furnace shell 300.
In the technical scheme of the invention, the blast furnace tuyere large sleeve mounting and aligning device 100 is provided for mounting the blast furnace tuyere large sleeve 200 and the blast furnace shell 300, the aligning device 100 comprises a bearing part 1, an adjusting part 2 and a plugging part 3, the adjusting part 2 can rotate around an axis extending along the up-down direction relative to the bearing part 1, the plugging part 3 is used for connecting the adjusting part 2 and the blast furnace tuyere large sleeve 200, so when the blast furnace tuyere large sleeve 200 stretches into the flange of the blast furnace shell 300, if gaps between each part of the blast furnace tuyere large sleeve 200 and the flange of the corresponding blast furnace shell 300 are uneven, the blast furnace tuyere large sleeve 200 can be driven to rotate by rotating the adjusting part 2, so that the position of the blast furnace tuyere large sleeve 200 is changed, the flange surface of the blast furnace tuyere large sleeve 200 is parallel to the flange surface of the blast furnace shell 300, namely, the gaps between each part of the blast furnace tuyere large sleeve 200 and the flange of the corresponding blast furnace shell 300 are the same, the aligning accuracy is improved, the operation is simple and convenient, and the mounting efficiency is improved.
It should be noted that, in the present invention, the arrangement form of the carrying portion 1 is not limited, and may be columnar, block-shaped, or the like, and specifically, referring to fig. 1 and 2, in an embodiment of the present invention, the carrying portion 1 is plate-shaped.
It should be noted that, in the present invention, the setting form of the adjusting portion 2 is not limited, and may be columnar, block-shaped, or the like, and specifically, referring to fig. 1 and 2, in an embodiment of the present invention, the adjusting portion 2 is plate-shaped.
In addition, one of the bearing part 1 and the adjusting part 2 is penetrated with a rotating hole, the other is provided with a rotating shaft extending in the up-down direction, the rotating hole is matched with the rotating shaft, the bearing part 1 and the adjusting part 2 are connected with the rotating shaft through the rotating hole to realize shaft hole connection, so that the adjusting part 2 can rotate around an axis extending in the up-down direction relative to the bearing part 1; more specifically, pivot and commentaries on classics hole all set up one, and locate the central point of adjusting part 2 put, simple structure, and adjusting part 2 atress is even, improves the counterpoint precision.
Further, since the adjusting portion 2 is disposed on the upper side of the bearing portion 1, when the adjusting portion 2 rotates, a rotational friction force is generated between the adjusting portion 2 and the bearing portion 1, such that damage is generated between the adjusting portion 2 and the bearing portion 1, and the service life is reduced, and further, referring to fig. 1 and 2, in an embodiment of the present invention, at least one slider 4 is disposed between the bearing portion 1 and the adjusting portion 2, so as to reduce the friction force between the bearing portion 1 and the adjusting portion 2, improve the rotational efficiency of the adjusting portion 2, and prolong the service lives of the adjusting portion 2 and the bearing portion 1.
It should be noted that, in the present invention, the number of the sliders 4 is not limited, and may be one, two, three, or the like, and specifically, in an embodiment of the present invention, two sliders 4 are disposed between the bearing portion 1 and the adjusting portion 2, and the two sliders 4 are disposed at intervals along the first direction; wherein, the first direction and the upper and lower direction set up in the plane mutually perpendicular, so not only reduce the frictional force between loading part 1 and the regulation portion 2, make regulation portion 2 atress even moreover, avoid influencing the rotation of regulation portion 2, and then guarantee the big cover of blast furnace tuyere 200 of counterpoint precision with blast furnace shell 300.
Specifically, referring to fig. 1 to 3, in an embodiment of the present invention, the adjusting portion 2 is disposed to extend along a first direction; the regulating part 2 is provided with a baffle plate 5 extending in the up-down direction, the baffle plate 5 and the plugging part 3 are arranged at intervals in the first direction and are arranged on one side of the plugging part 3 close to the blast furnace tuyere large sleeve 200, so that when the plugging part 3 is plugged into the blast furnace tuyere large sleeve 200, the baffle plate 5 penetrates through the blast furnace tuyere large sleeve 200 and is abutted with one end face of the blast furnace tuyere large sleeve 200 away from a flange seat; wherein the first direction and the up-down direction are mutually perpendicular in a plane; thus, after the large blast furnace tuyere sleeve 200 is inserted into the inserting portion 3, the large blast furnace tuyere sleeve 200 is blocked by the baffle 5, so that the large blast furnace tuyere sleeve 200 is prevented from sliding down from the inserting portion 3, the connection stability of the adjusting portion 2 and the large blast furnace tuyere sleeve 200 is ensured, and the alignment accuracy of the large blast furnace tuyere sleeve 200 and the blast furnace shell 300 is further improved.
In the invention, the length of the baffle plate 5 is larger than the thickness of the side wall of the blast furnace tuyere large sleeve 200, so that the clamping force of the baffle plate 5 and the plug-in part 3 on the blast furnace tuyere large sleeve 200 is improved, and the stable clamping is ensured.
Specifically, in one embodiment of the present invention, the plugging portion 3 includes at least one set of roller assemblies, each set of roller assemblies includes two rollers 31, the two rollers 31 are disposed at intervals along the second direction, and each roller 31 is movable relative to the bearing portion 1 about an axis extending along the first direction; wherein the up-down direction, the first direction and the second direction are arranged in a horizontal plane in a mutually perpendicular mode; thus, in the process of installing the blast-furnace tuyere large sleeve 200 and the blast-furnace shell 300, if the flange of the blast-furnace tuyere large sleeve 200 is dislocated with the bolt hole of the flange of the blast-furnace shell 300, the roller 31 is arranged, so that the blast-furnace tuyere large sleeve 200 can rotate along the axis of the roller 31 relative to the adjusting part 2, the bolt hole of the flange of the blast-furnace tuyere large sleeve 200 is aligned with the bolt hole of the flange of the blast-furnace shell 300, and the installation is completed by inserting the bolt into the bolt hole for fastening. More specifically, an F-shaped wrench with two cylindrical bolts can be inserted into the bolt holes of the large sleeve flange to twist, so that the large sleeve 200 of the blast furnace tuyere rotates under the rolling support of the roller 31, the relative positions of the bolt holes of the flange of the large sleeve 200 of the blast furnace tuyere and the bolt holes of the flange of the blast furnace shell 300 of the blast furnace are adjusted until the two bolts are aligned and fastened, and then the installation is completed.
Further, in the present invention, the number of the roller assemblies is not limited, and one set of the roller assemblies may be provided, two sets of the roller assemblies may be provided, three sets of the roller assemblies may be provided, and so on, specifically referring to fig. 1 and 2, in one embodiment of the present invention, the plugging portion 3 includes two sets of roller assemblies, the two sets of roller assemblies are arranged at intervals along the first direction, and the surface of each roller 31 is used to be attached to the inner wall of the blast furnace tuyere large sleeve 200; more specifically, the two sets of roller assemblies are respectively arranged on two sides of the center of the adjusting part 2 in the first direction and are symmetrically arranged, so that the supporting force on the large sleeve 200 of the blast furnace tuyere is increased, the stress on the adjusting part 2 is uniform, in addition, the surfaces of the rollers 31 are used for being attached to the inner wall of the large sleeve 200 of the blast furnace tuyere, namely, the rollers 31 are matched with the gradient of the inner wall of the large sleeve 200 of the blast furnace tuyere, so that the force is applied to the large sleeve 200 of the blast furnace tuyere more easily, the large sleeve 200 of the blast furnace tuyere is conveniently rotated, and the installation efficiency is improved.
It should be noted that, in the invention, the requirement of gradient matching between the roller 31 and the inner wall of the tuyere large sleeve can be satisfied by changing the diameter of the roller 31.
Specifically, referring to fig. 1 and 2, in the present invention, the plugging portion 3 further includes a roller seat 32, the roller seat 32 is detachably mounted on the adjusting portion 2, an upper shaft hole of the roller seat 32 is connected with a roller 31, and a shaft hole of the roller seat 32 is connected with the roller 31, so that the roller 31 is movably mounted on the adjusting portion 2 through the roller seat 32, and in this aspect, the supporting height of the roller seat 32 can be changed to meet the gradient matching requirement of the roller 31 and the inner wall of the tuyere large sleeve, and the roller seat 32 is detachably mounted on the adjusting portion 2, so that the practicability of the alignment device 100 can be improved by replacing the roller seats 32 with different sizes to mount the blast furnace tuyere large sleeve 200 with different types and sizes.
It should be noted that, the connection mode of the roller seat 32 and the adjusting portion 2 is not limited, and may be a clamping connection, a threaded connection, or the like, and specifically, in an embodiment of the present invention, the roller seat 32 and the adjusting portion 2 are in threaded connection, so that the structure is simple, the operation is convenient, and the processing cost is low.
In general, the blast furnace tuyere large sleeve 200 is transported and moved to the blast furnace shell 300 for installation by a forklift, for which, the alignment device 100 is installed on the forklift, more specifically, referring to fig. 1 to 3, the lower side surface of the bearing portion 1 is fixedly connected with a plugging rod 6, the plugging rod 6 extends along the first direction and is provided with a plugging hole in a penetrating manner along the first direction, thus, the forklift is plugged into the plugging hole through the forklift fork 400, namely, the forklift is connected with the alignment device 100 through the plugging rod 6, so that the transportation and the installation of the blast furnace tuyere large sleeve 200 can be sequentially completed, the construction steps and the construction time are reduced, the labor efficiency is improved, the construction cost is reduced, and the man-machine efficiency is improved.
The foregoing description of the preferred embodiments of the present invention should not be construed as limiting the scope of the invention, but rather utilizing equivalent structural changes made in the present invention description and drawings or directly/indirectly applied to other related technical fields are included in the scope of the present invention.
Claims (8)
1. The utility model provides a blast furnace tuyere big cover installation aligning device for blast furnace tuyere big cover and blast furnace shell installation, its characterized in that, aligning device includes:
a carrying part;
the adjusting part is arranged on the upper side of the bearing part and is connected with the bearing part shaft hole so as to rotate around an axis extending along the up-down direction relative to the bearing part; the method comprises the steps of,
the inserting part is arranged on the adjusting part and used for inserting the blast furnace tuyere large sleeve;
when the adjusting part rotates, the inserting part can drive the blast furnace tuyere large sleeve to rotate so as to adjust the position of the blast furnace tuyere large sleeve, so that the flange surface of the blast furnace tuyere large sleeve is parallel to the flange surface of the blast furnace shell.
2. The alignment device of claim 1, wherein at least one slider is disposed between the carrier portion and the adjustment portion.
3. The alignment device according to claim 2, wherein two sliding blocks are arranged between the bearing part and the adjusting part, and the two sliding blocks are arranged at intervals along the first direction;
wherein the first direction and the up-down direction are mutually perpendicular in a plane.
4. The alignment device of claim 1, wherein the adjustment portion extends in a first direction;
the adjusting part is provided with a baffle plate extending in the up-down direction, the baffle plate and the inserting part are arranged at intervals along the first direction and are arranged on one side of the inserting part, which is close to the blast furnace tuyere large sleeve, so that when the inserting part is inserted into the blast furnace tuyere large sleeve, the baffle plate penetrates through the blast furnace tuyere large sleeve and is abutted against one end face, far away from the flange seat, of the blast furnace tuyere large sleeve;
wherein the first direction and the up-down direction are mutually perpendicular in a plane.
5. The alignment device of claim 1, wherein the plug-in portion comprises at least one set of roller assemblies, each set of roller assemblies comprising two rollers, the two rollers being spaced apart in a second direction, and each roller being movable relative to the carrier portion about an axis extending in the first direction;
the vertical direction, the first direction and the second direction are mutually perpendicular in the horizontal plane.
6. The alignment device of claim 5, wherein the plug comprises two sets of roller assemblies spaced apart in a first direction, and wherein a surface of each roller is configured to engage an inner wall of the tuyere sleeve.
7. The alignment device of claim 5, wherein the plug-in portion further comprises a roller seat detachably mounted on the adjusting portion, wherein the upper shaft hole of the roller seat is connected with the roller, and the upper shaft hole of the roller seat is connected with the roller.
8. The alignment device of claim 1, wherein a plug rod is fixedly connected to the lower side of the bearing portion, the plug rod extends along the first direction, and a plug hole is formed through the plug rod along the first direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211048612.9A CN115404294B (en) | 2022-08-30 | 2022-08-30 | Blast furnace tuyere large sleeve mounting and aligning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211048612.9A CN115404294B (en) | 2022-08-30 | 2022-08-30 | Blast furnace tuyere large sleeve mounting and aligning device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115404294A CN115404294A (en) | 2022-11-29 |
| CN115404294B true CN115404294B (en) | 2023-07-18 |
Family
ID=84163388
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211048612.9A Active CN115404294B (en) | 2022-08-30 | 2022-08-30 | Blast furnace tuyere large sleeve mounting and aligning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115404294B (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3980286A (en) * | 1973-07-30 | 1976-09-14 | S.A. Des Anciens Etablissements Paul Wurth | Tuyere feed lines |
| JP2000319713A (en) * | 1999-05-06 | 2000-11-21 | Sankyu Inc | Method for fitting or removing safety roof for tuyere |
| JP2001003107A (en) * | 1999-06-21 | 2001-01-09 | Sankyu Inc | Method for constructing blasting branch-piping system in blast furnace |
| CN201534852U (en) * | 2009-08-19 | 2010-07-28 | 中冶赛迪工程技术股份有限公司 | Connecting structure of blast furnace tuyere sleeve and furnace case |
| WO2013168784A1 (en) * | 2012-05-11 | 2013-11-14 | 新日鉄住金エンジニアリング株式会社 | Structure for tuyere section in blast furnace |
| CN103924017A (en) * | 2014-04-18 | 2014-07-16 | 攀钢集团成都钢钒有限公司 | Method for replacing tuyere-cooler casing of blast furnace |
| CN205170887U (en) * | 2015-10-30 | 2016-04-20 | 中国一冶集团有限公司 | Wind gap cover dismounting device |
| CN105695651A (en) * | 2016-04-29 | 2016-06-22 | 中国十九冶集团有限公司 | Positioning device and method of blast furnace air supply device at bustle pipe installation position |
| CN205999407U (en) * | 2016-09-18 | 2017-03-08 | 中冶华天南京工程技术有限公司 | A kind of blast-furnace tuyere equipment with hold down gag |
| CN109207663A (en) * | 2017-07-07 | 2019-01-15 | 株式会社斯加科技 | Tuyere replacement device |
| JP2020152962A (en) * | 2019-03-20 | 2020-09-24 | 日本製鉄株式会社 | Tuyere |
| CN114635003A (en) * | 2021-12-23 | 2022-06-17 | 中国华冶科工集团有限公司 | Tuyere large sleeve flange installation device and method |
-
2022
- 2022-08-30 CN CN202211048612.9A patent/CN115404294B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3980286A (en) * | 1973-07-30 | 1976-09-14 | S.A. Des Anciens Etablissements Paul Wurth | Tuyere feed lines |
| JP2000319713A (en) * | 1999-05-06 | 2000-11-21 | Sankyu Inc | Method for fitting or removing safety roof for tuyere |
| JP2001003107A (en) * | 1999-06-21 | 2001-01-09 | Sankyu Inc | Method for constructing blasting branch-piping system in blast furnace |
| CN201534852U (en) * | 2009-08-19 | 2010-07-28 | 中冶赛迪工程技术股份有限公司 | Connecting structure of blast furnace tuyere sleeve and furnace case |
| WO2013168784A1 (en) * | 2012-05-11 | 2013-11-14 | 新日鉄住金エンジニアリング株式会社 | Structure for tuyere section in blast furnace |
| CN103924017A (en) * | 2014-04-18 | 2014-07-16 | 攀钢集团成都钢钒有限公司 | Method for replacing tuyere-cooler casing of blast furnace |
| CN205170887U (en) * | 2015-10-30 | 2016-04-20 | 中国一冶集团有限公司 | Wind gap cover dismounting device |
| CN105695651A (en) * | 2016-04-29 | 2016-06-22 | 中国十九冶集团有限公司 | Positioning device and method of blast furnace air supply device at bustle pipe installation position |
| CN205999407U (en) * | 2016-09-18 | 2017-03-08 | 中冶华天南京工程技术有限公司 | A kind of blast-furnace tuyere equipment with hold down gag |
| CN109207663A (en) * | 2017-07-07 | 2019-01-15 | 株式会社斯加科技 | Tuyere replacement device |
| JP2020152962A (en) * | 2019-03-20 | 2020-09-24 | 日本製鉄株式会社 | Tuyere |
| CN114635003A (en) * | 2021-12-23 | 2022-06-17 | 中国华冶科工集团有限公司 | Tuyere large sleeve flange installation device and method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115404294A (en) | 2022-11-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10040579B1 (en) | Shipping frame for jet aircraft engine transportation | |
| CN108277821B (en) | Pipe gallery | |
| WO2020073580A1 (en) | Device and method for testing load-carrying properties of wire rope for friction hoist | |
| CN115404294B (en) | Blast furnace tuyere large sleeve mounting and aligning device | |
| CN203236194U (en) | Replacing device for hinged pin roll mechanism of stacker cantilever | |
| CN208117553U (en) | A kind of grinding wheel handling auxiliary mould | |
| CN102423846A (en) | Assembly device for cam shaft | |
| CN210063949U (en) | Flat plate transportation frame | |
| CN218162175U (en) | Oil cooling driving motor stator and rotor attach together split device | |
| CN212311581U (en) | Feeding device matched with thin-wall sliding bearing cylindrical grinding machine | |
| CN210208156U (en) | Hydraulic positioning and locking device for roll changing of leveling machine | |
| CN114147646A (en) | High-applicability fixing mechanism applicable to steel plate production and processing rotation | |
| CN108148962B (en) | Tool for replacing hearth roll and use method thereof | |
| CN220300803U (en) | Small-size flange quenching is with hanging frock | |
| CN215944656U (en) | A quick transport platform for building engineering construction material | |
| CN206917932U (en) | A kind of blower fan device for quickly disassembling | |
| CN220518360U (en) | Pipeline transportation device for special section | |
| CN206569978U (en) | A kind of print formula composite rolling wheel device | |
| CN217991409U (en) | Coke oven basement narrow and small space pipeline transportation group is to device | |
| CN221099584U (en) | Duct piece embedded channel displacement test device | |
| CN114772431A (en) | Ventilator impeller mounting bracket and mounting method thereof | |
| CN219281741U (en) | Shaft guide rail mounting device | |
| CN218426798U (en) | Alignment installation device for online correction | |
| CN219053349U (en) | Auxiliary assembly is used in welding of mining machinery equipment | |
| CN219117092U (en) | Fork truck portal levelling device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |