CN112404150B - Defogging device suitable for hot rolling coil of strip hot coil case - Google Patents
Defogging device suitable for hot rolling coil of strip hot coil case Download PDFInfo
- Publication number
- CN112404150B CN112404150B CN202011190543.6A CN202011190543A CN112404150B CN 112404150 B CN112404150 B CN 112404150B CN 202011190543 A CN202011190543 A CN 202011190543A CN 112404150 B CN112404150 B CN 112404150B
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- cover plate
- baffle
- water pipe
- hot
- water pump
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B45/04—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for de-scaling, e.g. by brushing
- B21B45/06—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for de-scaling, e.g. by brushing of strip material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/26—Drying gases or vapours
- B01D53/263—Drying gases or vapours by absorption
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/001—Drying-air generating units, e.g. movable, independent of drying enclosure
- F26B21/002—Drying-air generating units, e.g. movable, independent of drying enclosure heating the drying air indirectly, i.e. using a heat exchanger
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/004—Nozzle assemblies; Air knives; Air distributors; Blow boxes
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- 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
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Abstract
The invention provides a demisting device suitable for a hot-rolled coil box of a hot-rolled coil, which belongs to the field of demisting and comprises: the baffle, oblique baffle, the water pipe network, a water pump, the water pump motor, the heat abstractor frame, the water pipe backup pad, axial fan, the apron, the check curtain, apron hoist and mount group, install the fan, absorb the heat that the slab gived off by the water pump through the inside meson of water pipe network and transport to the hot rolling case region, axial fan blows into inside the hot rolling case with the heat slant that the water pipe network gived off, but oblique blow stops some vapor and get into the hot rolling case, the unable part that blocks also passes through the heating, the transparency increases, reach reliable information collection scope, solve the problem that exists among the background art.
Description
Technical Field
The invention belongs to the field of demisting equipment, and particularly relates to a demisting device suitable for a hot rolling coil box of a hot rolling coil.
Background
The roll plate hot coil box of the river steel heat bearing company is an area where a Hot Metal Detector (HMD) is installed most densely and in the most quantity, the HMD (Head mounted Display, namely a Head Display) feeds back parameters such as temperature and position of the hot metal detector by depending on the surface of a detected plate blank, and important basis is provided for subsequent steps.
Disclosure of Invention
The invention aims to provide a demisting device suitable for a hot-rolled coil hot-rolling box, which collects and transmits heat dissipated by a plate blank to a hot-rolled coil hot-rolling box area through a water pipe network and an axial flow fan and solves the problem that a large amount of water vapor generated by a finish rolling dephosphorization box obstructs HMD information acquisition.
In order to achieve the purpose, the invention adopts the technical scheme that: the utility model provides a defogging device suitable for hot rolling coil of strip hot-rolling case includes: baffle, oblique baffle, apron, water pipe device, heat abstractor, wherein: .
The two baffle plates are symmetrically arranged, and the bottom of each baffle plate is arched to prevent friction of the roller bed;
the two inclined guide plates are welded to the front ends of the corresponding baffle plates in an inclined mode and used for guiding and preventing the plate blanks from impacting the baffle plates, and the inner sides of the inclined guide plates extend into the inner faces of the baffle plates and used for protecting internal elements;
the cover plates are arranged on the two baffle plates through cover plate positioning blocks, the number of the cover plate positioning blocks is 4, the cover plate positioning blocks are welded above the front ends and the rear ends of the baffle plates, and each cover plate positioning block is provided with a cover plate positioning through hole;
the water pipe device is arranged along the length direction of the baffle 2 and penetrates out of the baffle 2;
the heat sink is connected with the water pipe device, and the joint of the heat sink and the water pipe device is positioned outside the baffle 2.
Furthermore, the water pipe device comprises a water pipe network, a water pump motor mounting platform and a water pump, wherein one section of the water pipe network is mounted on the inner wall of the baffle plate, and the other section of the water pipe network extends to two sides of the hot coil box of the hot-rolled coil plate; and the water pump motor and the 2 water pumps are arranged on the water pump motor mounting platform and are connected with the water pipe network through the water pumps.
Further, the hot coil box conveying device further comprises baffle feet and a water pump motor mounting platform, the baffle is fixed on the ground through the baffle feet, the baffle feet are mounted on two sides of a shaft sleeve of a conveying roller way in front of the hot coil box, and the water pump motor mounting platform is welded on the outer side of the baffle feet at the front end of the baffle.
The heat dissipation device comprises a heat dissipation device frame, heat dissipation device feet, water pipe grooves and an axial flow fan, the heat dissipation device frame is installed on two sides of a hot rolling coil box of a hot rolling coil plate through the heat dissipation device feet, and the water pipe grooves are formed in the bottom of the heat dissipation device frame, so that a water pipe network can be conveniently installed.
Furthermore, a plurality of water pipe supporting plates are arranged in the heat dissipation device frame, and each water pipe supporting plate is provided with a plurality of pore channels for supporting the water pipe network; a plurality of radiating fins are arranged between the water pipe supporting plates and between the radiating device frame and the water pipe supporting plates, so that heat radiation is facilitated.
Furthermore, the outer wall of the axial flow fan is welded on the inner side of the heat dissipation device frame, and heat emitted by the water pipe network is obliquely blown into the interior of the hot coil box.
The cover plate is provided with a device fan and a plurality of device fan mounting through holes, wherein the number of the device fan mounting through holes is two; a plurality of six device fan mounting screw holes are formed around each device fan mounting through hole; furthermore, the device fan is embedded into the device fan mounting through hole in the cover plate, the device fan is provided with a plurality of device fan mounting holes, for example, six device fan mounting holes, and the device fan mounting holes are mounted in the device fan mounting screw holes in the cover plate through device fan fixing screws.
Further, still be equipped with the check curtain on the apron, the check curtain is the metal material, welds in apron front and rear, and is high temperature resistant, and can block that the iron scale on inside slab surface is blown away by the device fan. Preferably, the cover plate extends to a length less than the height of the baffle plate to prevent the cover plate bottom from touching the baffle plate bottom.
Further, still be equipped with apron hoist and mount base on the apron, apron hoist and mount base below is equipped with the apron reference column, and apron reference column bottom is the pointed type, and apron hoist and mount base top is equipped with apron hoist and mount ring.
The cover plate hoisting base, the cover plate positioning columns and the cover plate hoisting groups formed by the cover plate hoisting rings, such as four groups, are welded on two sides of the cover plate and are consistent with the positions of the cover plate positioning blocks on the side of the baffle plates, and the cover plate positioning columns can be embedded into the cover plate positioning through holes.
According to the invention, the hot plate blank enters the device through the inclined guide plate through the transport roller way before the coil box, the meson in the water pipe network absorbs the heat emitted by the plate blank (the fan of the device can assist to accelerate absorption) and is transported to the area of the coil box through the water pump, the axial flow fan blows the heat emitted by the water pipe network into the coil box in an inclined manner, part of water vapor can be blocked by inclined blowing and enters the coil box, the part which cannot be blocked is also heated, the transparency is increased, the HMD information collection range is reached, and the problems in the background technology are solved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a first overall structural diagram of the present invention;
FIG. 2 is a second overall view of the present invention;
FIG. 3 is a schematic view of the baffle structure of the present invention;
FIG. 4 is a schematic view of the water piping network of the present invention;
FIG. 5 is a schematic view of the heat sink and axial fan of the present invention;
FIG. 6 is a schematic view of the cover plate structure of the present invention;
FIG. 7 is an enlarged view of a portion of FIG. 6;
FIG. 8 is a schematic structural view of a blower of the apparatus;
FIG. 9 is a schematic structural view of a cover plate hoisting base and a cover plate positioning block;
in the figure: the device comprises a front hot coil box conveying roller way 1, a baffle 2, an inclined guide plate 2-1, a cover plate positioning block 2-2, a cover plate positioning through hole 2-3, a baffle ground foot 2-4, a water pump motor mounting platform 2-5, a water pipe network 3, a water pump motor 4, a water pump 4-1, a heat dissipation device frame 5, a heat dissipation device ground foot 5-1, a water pipe groove 5-2, a water pipe supporting plate 5-3, an axial flow fan 6, a cover plate 7, a device fan mounting through hole 7-1, a device fan mounting screw hole 7-2, a baffle curtain 7-3, a cover plate hoisting base 8, a cover plate positioning column 8-1, a cover plate hoisting ring 8-2, a device fan 9, a device fan mounting hole 9-1 and a device fan fixing screw 9-2.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Including baffle 2, oblique baffle 2-1, apron 7, water piping installation, heat abstractor, wherein:
the baffle plates 2 are symmetrically arranged, the number of the baffle plates is two, and the bottom of each baffle plate 2 is in an arch shape for preventing friction roller ways;
the number of the inclined guide plates 2-1 is two, each inclined guide plate 2-1 is welded to the front end of the corresponding baffle plate 2 in an inclined mode, and the inner side of each inclined guide plate 2-1 extends into the inner face of the corresponding baffle plate 2;
the cover plate 7 is arranged on the two baffle plates 2 through cover plate positioning blocks 2-2, the cover plate positioning blocks 2-2 are welded above the front ends and the rear ends of the baffle plates 2, and each cover plate positioning block 2-2 is provided with a cover plate positioning through hole 2-3;
the water pipe device is arranged along the length direction of the baffle 2 and penetrates out of the baffle 2;
the heat sink is connected with the water pipe device, and the joint of the heat sink and the water pipe device is positioned outside the baffle 2.
The water pipe device comprises a water pipe network 3, a water pump motor 4, a water pump motor mounting platform 2-5 and a water pump 4-1, wherein one section of the water pipe network 3 is mounted on the inner wall of the baffle 2, and the other section of the water pipe network extends to two sides of a hot rolling box of the hot rolling plate; the water pump motor 4 is connected with the water pipe network 3 through the water pump 4-1.
The hot coil box conveying device is characterized by further comprising baffle feet 2-4 and a water pump motor mounting platform 2-5, the baffle 2 is fixed on the ground through the baffle feet 2-4, the baffle feet 2-4 are mounted on two sides of a shaft sleeve of the hot coil box front conveying roller way 1, the water pump motor mounting platform 2-5 is welded on the outer side of the baffle feet 2-4 at the front end of the baffle 2, and the water pump motor 4 is mounted on the water pump motor mounting platform 2-5.
The heat dissipation device comprises a heat dissipation device frame 5, heat dissipation device feet 5-1, water pipe grooves 5-2 and an axial flow fan 6, wherein the heat dissipation device frame 5 is installed on two sides of a hot rolling coil box of a hot rolling coil plate through the heat dissipation device feet 5-1, the bottom of the heat dissipation device frame 5 is provided with the water pipe grooves 5-2 facilitating installation of a water pipe network 3, a plurality of water pipe supporting plates 5-3 are arranged in the heat dissipation device frame 5, each water pipe supporting plate 5-3 is provided with a plurality of pore channels for supporting the water pipe network 3, a plurality of cooling fins are arranged between the water pipe supporting plates 5-3 and between the heat dissipation device frame 5 and the water pipe supporting plates 5-3, and the outer wall of the axial flow fan 6 is welded on the inner side of the heat dissipation device frame 5.
The cover plate 7 is provided with a device fan 9 and a plurality of device fan mounting through holes 7-1, the device fan 9 is embedded into the device fan mounting through holes 7-1, a plurality of device fan mounting screw holes 7-2 are arranged around each device fan mounting through hole 7-1, the device fan 9 is provided with a plurality of device fan mounting holes 9-1, and the device fan mounting screw holes 7-2 are arranged on the cover plate 7 through device fan fixing screws 9-2.
The cover plate 7 is also provided with a baffle 7-3, the baffle 7-3 is made of metal and welded in front of and behind the cover plate 7, and the length of the cover plate 7 is lower than the height of the baffle 2.
The cover plate 7 is further provided with a cover plate hoisting base 8, a cover plate positioning column 8-1 is arranged below the cover plate hoisting base 8, the bottom of the cover plate positioning column 8-1 is pointed, and a cover plate hoisting ring 8-2 is arranged above the cover plate hoisting base 8.
The cover plate hoisting base 8, the cover plate positioning columns 8-1 and the cover plate hoisting rings 8-2 form a cover plate hoisting group, the cover plate hoisting groups are four groups and are welded on two sides of the cover plate 7, the positions of the cover plate hoisting group and the cover plate positioning blocks 2-2 of the baffle plate 2 are consistent, and the cover plate positioning columns 8-1 can be embedded into the cover plate positioning through holes 2-3.
As described in detail below.
As a specific embodiment of the defogging device for the hot-rolled coil hot-rolling box provided by the invention, please refer to fig. 1, fig. 2 and fig. 3, fig. 2 is a state diagram of opening the baffle 2, the baffle 2 is symmetrically installed, the bottom of the baffle 2 is arched, the arched structure has space, so that the baffle is convenient to be installed in cooperation with the transport roller way 1 in front of the hot-rolling box, and the number of the arches corresponds to the number of the rollers of the transport roller way 1 in front of the hot-rolling box; the inclined guide plate 2-1 is welded to the front end of the baffle plate 2 in an inclined mode, the inclined angle is preferably 15 to 75 degrees, and the angle of the inclined guide plate 2-1 can be adjustable or fixed.
The cover plate positioning blocks 2-2 are welded above the front end and the rear end of the baffle plate 2, and each cover plate positioning block 2-2 is provided with a cover plate positioning through hole 2-3.
Further, the baffle 2 is fixed on the ground through baffle feet 2-4, the baffle feet 2-4 are installed on two sides of a shaft sleeve of the hot coil box front conveying roller way 1, and the water pump motor installation platform 2-5 is welded on the outer side of the baffle feet 2-4 at the front end of the baffle 2.
Referring to fig. 1, 2 and 4, the water pipe network 3 is divided into two sections, one of which is installed on the inner wall of the baffle 2, the other extends to two sides of the hot-rolled coil box, the two sections are both in a serpentine coil structure, and the intermediate transition stage is a straight pipe. And the water pump motor 4 is arranged on the water pump motor mounting platform 2-5 and is connected with the water pipe network 3 through the water pump 4-1 to promote the water in the water pipe network 3 to circularly flow.
Referring to fig. 1, 2 and 5, a heat sink frame 5 is mounted on two sides of a hot-rolled coil hot-rolling box through heat sink feet 5-1, the heat sink frame 5 is a rectangular frame, and a water pipe groove 5-2 (left lower side in the figure) is formed at the bottom of the heat sink frame 5 to facilitate installation of a water pipe network 3, a plurality of water pipe support plates 5-3 are arranged in the heat sink frame 5, and three water pipe support plates 5-3 are arranged in fig. 5 to divide the heat sink frame 5 into four equal parts.
Each water pipe supporting plate 5-3 is provided with a plurality of pore channels along the length direction and is used for supporting the snakelike arrangement and installation of the water pipe network 3, a plurality of radiating fins are arranged between the water pipe supporting plates 5-3 and between the heat dissipation device frame 5 and the water pipe supporting plates 5-3, so that heat dissipation is facilitated, and the outer wall of the axial flow fan 6 is welded on the inner side of the heat dissipation device frame 5 and blows the heat dissipated by the water pipe network 3 into the heat coil box in an inclined mode.
Referring to fig. 1, 2 and/or 6, a cover plate 7 is provided with device fan installation through holes 7-1, device fan installation screw holes 7-2 are formed around each device fan installation through hole 7-1, and a baffle 7-3 made of a metal material is welded in front of and behind the cover plate 7.
The device fan 9 is embedded into the device fan mounting through hole 7-1 on the cover plate, the device fan mounting hole 9-1 is formed in the peripheral shell of the device fan 9, the device fan is mounted into the device fan mounting screw hole 7-2 on the cover plate 7 through the device fan fixing screw 9-2, and the number of the device fan fixing screw 9-2 and the number of the device fan mounting screw holes 7-2 are six. The fan 9 promotes the water flow circulation in the water pipe network 3 under the cover plate 7 to assist the heat flow emission.
Further, for convenience in hoisting, a cover plate positioning column 8-1 is arranged below the cover plate hoisting base 8, the bottom of the cover plate positioning column 8-1 is pointed, and a cover plate hoisting ring 8-2 is arranged above the cover plate hoisting base 8.
This device simple structure, the installation of being convenient for, occupation space not, through the water pipe network, the axial fan collects the heat that the slab gived off, transmits to the hot rolling coil of strip board hot-rolling case region, can realize good radiating effect, effectively solves a large amount of vapor that the finish rolling dephosphorization case produced and hinders HMD information acquisition's problem, has higher popularization and application and worth.
Claims (7)
1. The utility model provides a defogging device suitable for hot rolling coil of strip hot-rolling case which characterized in that: including baffle (2), oblique baffle (2-1), baffle lower margin (2-4), apron (7), water piping installation, heat abstractor, wherein:
the baffle plates (2) are symmetrically arranged, the number of the baffle plates is two, the bottom of each baffle plate (2) is an arch shape for preventing friction of the roller way, the baffle plates (2) are fixed on the ground through baffle plate feet (2-4), and the baffle plate feet (2-4) are arranged on two sides of a shaft sleeve of the hot coil box front conveying roller way (1);
the number of the inclined guide plates (2-1) is two, each inclined guide plate (2-1) is welded to the front end of the corresponding baffle plate (2) in an inclined mode, and the inner side of each inclined guide plate (2-1) extends into the inner face of the corresponding baffle plate (2);
the cover plate (7) is arranged on the two baffle plates (2) through cover plate positioning blocks (2-2), the cover plate positioning blocks (2-2) are welded above the front ends and the rear ends of the baffle plates (2), and each cover plate positioning block (2-2) is provided with a cover plate positioning through hole (2-3);
the water pipe device is arranged along the length direction of the baffle (2) and penetrates out of the baffle (2);
the heat dissipation device is connected with the water pipe device, and the joint of the heat dissipation device and the water pipe device is positioned outside the baffle (2);
the water pipe device comprises a water pipe network (3), a water pump motor (4), a water pump motor mounting platform (2-5) and a water pump (4-1), wherein one section of the water pipe network (3) is mounted on the inner wall of the baffle (2), and the other section of the water pipe network extends to two sides of a hot coil box of the hot rolled coil; the water pump motor (4) is connected with the water pipe network (3) through a water pump (4-1);
the heat dissipation device comprises a heat dissipation device frame (5) and an axial flow fan (6), wherein the heat dissipation device frame (5) is installed on two sides of a hot rolling box of a hot rolling plate through heat dissipation device feet (5-1), the outer wall of the axial flow fan (6) is welded on the inner side of the heat dissipation device frame (5), and the axial flow fan (6) blows heat dissipated by a water pipe network (3) into the hot rolling box in an inclined mode.
2. The defogging device for the hot rolled coil box as claimed in claim 1, wherein: the water pump motor installation platform is characterized by further comprising a water pump motor installation platform (2-5), the water pump motor installation platform (2-5) is welded on the outer side of a baffle anchor (2-4) at the front end of the baffle (2), and the water pump motor (4) is installed on the water pump motor installation platform (2-5).
3. The defogging device for the hot rolled coil box as claimed in claim 1, wherein: the heat dissipation device further comprises a water pipe groove (5-2), the bottom of the heat dissipation device frame (5) is provided with the water pipe groove (5-2), a plurality of water pipe supporting plates (5-3) are arranged in the heat dissipation device frame (5), each water pipe supporting plate (5-3) is provided with a plurality of pore channels, and a plurality of cooling fins are arranged between the water pipe supporting plates (5-3) and between the heat dissipation device frame (5) and the water pipe supporting plates (5-3).
4. A defogging device for a hot rolled sheet coil box according to any one of claims 1 to 3, wherein: the device fan mounting structure is characterized in that a device fan (9) and a plurality of device fan mounting through holes (7-1) are formed in the cover plate (7), the device fan (9) is embedded into the device fan mounting through holes (7-1), a plurality of device fan mounting screw holes (7-2) are formed in the periphery of each device fan mounting through hole (7-1), a plurality of device fan mounting holes (9-1) are formed in the device fan (9), and the device fan mounting screw holes (7-2) are mounted in the device fan mounting screw holes (7-2) in the cover plate (7) through device fan fixing screws (9-2).
5. A defogging device for a hot rolled sheet coil box according to any one of claims 1 to 3, wherein: the cover plate (7) is also provided with a blocking curtain (7-3), the blocking curtain (7-3) is made of metal and is welded in front of and behind the cover plate (7), and the length of the blocking curtain (7-3) is smaller than the height of the baffle (2).
6. A defogging device for a hot rolled sheet coil box according to any one of claims 1 to 3, wherein: the cover plate (7) is further provided with a cover plate hoisting base (8), a cover plate positioning column (8-1) is arranged below the cover plate hoisting base (8), the bottom of the cover plate positioning column (8-1) is pointed, and a cover plate hoisting ring (8-2) is arranged above the cover plate hoisting base (8).
7. The defogging device for the hot rolled sheet coil box as claimed in claim 6, wherein: the cover plate hoisting group is composed of four groups of cover plate hoisting bases (8), cover plate positioning columns (8-1) and cover plate hoisting rings (8-2), the cover plate hoisting groups are welded on two sides of the cover plate (7), the positions of the cover plate hoisting groups and the cover plate positioning blocks (2-2) of the baffle plate (2) are consistent, and the cover plate positioning columns (8-1) are embedded into the cover plate positioning through holes (2-3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011190543.6A CN112404150B (en) | 2020-10-30 | 2020-10-30 | Defogging device suitable for hot rolling coil of strip hot coil case |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011190543.6A CN112404150B (en) | 2020-10-30 | 2020-10-30 | Defogging device suitable for hot rolling coil of strip hot coil case |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112404150A CN112404150A (en) | 2021-02-26 |
| CN112404150B true CN112404150B (en) | 2022-11-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011190543.6A Active CN112404150B (en) | 2020-10-30 | 2020-10-30 | Defogging device suitable for hot rolling coil of strip hot coil case |
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| CN (1) | CN112404150B (en) |
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