CN114850231A - Device and method capable of effectively removing oxidation slag on surface of steel billet - Google Patents
Device and method capable of effectively removing oxidation slag on surface of steel billet Download PDFInfo
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- CN114850231A CN114850231A CN202210445006.4A CN202210445006A CN114850231A CN 114850231 A CN114850231 A CN 114850231A CN 202210445006 A CN202210445006 A CN 202210445006A CN 114850231 A CN114850231 A CN 114850231A
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- pipe
- upper side
- cover
- mounting
- slag
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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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/04—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area from a small area, e.g. a tool
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B5/00—Cleaning by methods involving the use of air flow or gas flow
- B08B5/02—Cleaning by the force of jets, e.g. blowing-out cavities
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B5/00—Cleaning by methods involving the use of air flow or gas flow
- B08B5/04—Cleaning by suction, with or without auxiliary action
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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
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
- Cleaning In General (AREA)
Abstract
The invention provides a device capable of effectively removing oxidation slag on the surface of a steel billet, which comprises: a mounting frame; the upper side polishing mechanism is arranged on the upper side of the mounting frame; the two side surface grinding mechanisms are symmetrically arranged on the left side and the right side of the mounting rack; both the upper side grinding mechanism and the side grinding mechanism comprise fixing covers, connecting arms, fixing frames, grinding rollers and elastic pieces. According to the device and the method for effectively removing the oxidation slag on the surface of the steel billet, provided by the invention, the upper side polishing mechanism and the two side polishing mechanisms are arranged, so that the oxidation slag dust in a furnace discharging roller way and a rough rolling area of a heating furnace is effectively reduced, and the physical and mental health of workers is guaranteed; the oxidation slag below the roughing mill is greatly reduced, the dust on the surface of equipment in the area is obviously reduced, and the workload and the working strength of workers are effectively reduced; the risk that iron scales are pressed into slag in the rolling process of the rolled piece is reduced, the surface smoothness of the steel is improved, and the surface quality of the product is improved.
Description
Technical Field
The invention relates to the field of billet surface treatment, in particular to a device and a method capable of effectively removing oxidation slag on the surface of a billet.
Background
The billet steel is processed by heating the billet steel by a heating furnace;
the continuous heating furnace is the most commonly used furnace in a steel rolling workshop for heating steel materials, the temperature is about 900-1350 ℃ in general blank heating, and the temperature is about 700-1150 ℃ in heat treatment. In a continuous furnace, the operation of the furnace is continuous, and the blanks are loaded from the tail of the furnace with a lower furnace temperature, moved to the head of the furnace with a higher furnace temperature at a certain speed under the action of a machine, and moved in the opposite direction of the hot gas in the hearth, and are continuously discharged from the furnace when the blanks are heated to the temperature required by the process.
Because the existing furnace outlet roller way of the heating furnace is not provided with the descaling and dust-settling equipment, the steel billet is directly conveyed to the rolling mill for rolling through the furnace outlet roller way, so that more oxidized slag dust exists in the furnace outlet roller way and the roughing mill area, the ground and the equipment surface in the surrounding area need to be cleaned frequently, and the oxidized slag accumulated below the rolling mill needs to be cleaned regularly, so that the workload of workers is increased, and the physical and mental health of the workers is also influenced.
Therefore, it is necessary to provide an apparatus and a method for effectively removing oxide slag on the surface of a steel billet to solve the above problems.
Disclosure of Invention
The invention provides a device and a method capable of effectively removing oxidation slag on the surface of a steel billet, and solves the problems that a heating furnace is discharged from a furnace roller way and a rough rolling area has much oxidation slag dust, and the surrounding environment and physical and psychological health of personnel are seriously affected.
In order to solve the above technical problems, the present invention provides an apparatus for effectively removing oxide slag from a surface of a steel slab, comprising:
a mounting frame;
the upper side grinding mechanism is arranged on the upper side of the mounting frame;
the two side surface grinding mechanisms are symmetrically arranged on the left side and the right side of the mounting rack;
the upper side polishing mechanism and the side surface polishing mechanism respectively comprise a fixed cover, a connecting arm, a fixed frame, a polishing roller and an elastic piece;
the fixed cover pass through the mounting in on the mounting bracket, the linking arm run through set up in fixed covering, the mount is fixed in the one end of linking arm, the roller of polishing rotate install in the inside of mount, the surface of linking arm just is equipped with the elastic component for being located the cover between mount and the fixed cover.
Preferably, a limiting pipe is arranged at the top of the fixing frame and outside the elastic piece.
Preferably, first guide plates are arranged in the mounting frame and on two sides of the two side grinding mechanisms.
Preferably, the mounting frame is further provided with a spraying and sweeping mechanism and a spraying mechanism.
Preferably, the externally mounted of mounting bracket has the protection casing, the protection casing includes upper side cover and base, upper side cover install in on the base, the base includes bottom plate, conical cover and connecting pipe, the conical cover install in the bottom of bottom plate, the connecting pipe connect with the bottom of conical cover.
Preferably, go up the side-mounting of side cover and have supercharging mechanism, supercharging mechanism includes install bin, air exhauster, air-supply line and air-out pipe, the install bin install in go up the side cover, the air exhauster install in the inside of install bin, the air-supply line connect in on the install bin, the one end of air-out pipe run through behind the install bin with the output of air exhauster is connected.
Preferably, the other end that goes out the tuber pipe is installed and is collected the mechanism, it includes the collecting pipe, strains piece, threaded connection portion and toper pipe to collect the mechanism, the collecting pipe pass through threaded connection portion threaded connection in go out on the tuber pipe, the bottom of collecting the inside pipe wall is provided with strains the piece, the toper pipe install in the bottom of collecting pipe, the internally mounted who goes out the tuber pipe has the go-between, a plurality of connecting rods of bottom fixedly connected with of go-between, the one end of connecting rod extends to the inside of collecting pipe, the bottom of connecting rod just is located the upside fixedly connected with clamping ring that strains the piece.
Preferably, the inside of the upper side cover is provided with a purging mechanism, the purging mechanism comprises two arc pipes, a three-way pipe, gas pipes and a spray head, the two arc pipes are arranged on two sides inside the upper side cover, the spray head is arranged on the inner side of the arc pipes, the three-way pipe is provided with the bottom end of the conical pipe, the two ends of the three-way pipe are both connected with the gas pipes, and the two gas pipes are respectively communicated with the two arc pipes.
Preferably, the operation opening is opened on both sides of the upper side cover, and the second guide plate is arranged on one side of the upper side cover and positioned on both sides of the operation opening.
The invention also provides a method for effectively removing the oxidation slag on the surface of the steel billet, which comprises the following steps:
s1: determining the installation position of the device according to the position of the furnace discharging roller way of the heating furnace, and then installing the device;
s2: compressed air, cooling water and oil gas are introduced for lubrication;
s3: after all the hot billets are installed, when the hot billets pass through the device, the hot billets are rolled and polished by the upper side polishing mechanism and the two side polishing mechanisms, so that oxidizing slag on the surfaces of the steel billets is stripped;
s4: the compressed air nozzle of the spraying and sweeping mechanism is used for blowing and the atomizing mechanism is used for atomizing water pressure and dust, so that the descaling and dust falling of the steel billet are achieved.
Compared with the prior art, the device and the method for effectively removing the oxidation slag on the surface of the billet steel have the following beneficial effects:
the invention provides a device and a method capable of effectively removing oxidation slag on the surface of a steel billet, wherein the upper side grinding mechanism and the two side grinding mechanisms are arranged, so that oxidation slag dust in a furnace discharging roller way and a rough rolling area of a heating furnace is effectively reduced, and the physical and mental health of workers is guaranteed;
the oxidation slag below the roughing mill is greatly reduced, the dust on the surface of equipment in the area is obviously reduced, and the workload and the working strength of workers are effectively reduced;
the risk that iron scales are pressed into slag in the rolling process of the rolled piece is reduced, the surface smoothness of the steel is improved, and the surface quality of the product is improved.
Drawings
FIG. 1 is a schematic structural diagram of a first embodiment of an apparatus for effectively removing oxide slag from a surface of a steel billet according to the present invention;
FIG. 2 is a front view of FIG. 1;
FIG. 3 is a top view of FIG. 1;
FIG. 4 is a schematic structural diagram of a second embodiment of an apparatus for effectively removing oxide slag from the surface of a steel billet according to the present invention;
FIG. 5 is a rear view of the shield shown in FIG. 4;
FIG. 6 is a schematic view of the interior of the enclosure shown in FIG. 4;
FIG. 7 is a cross-sectional view of the collection mechanism shown in FIG. 4;
fig. 8 is a schematic view of the inside structure of the installation case shown in fig. 4.
Reference numbers in the figures:
1. a mounting frame is arranged on the base plate,
2. an upper side grinding mechanism 21, a fixed cover 22, a connecting arm 23, a fixed frame 24, a grinding roller 25, an elastic piece 26 and a limit pipe,
3. a side surface grinding mechanism is arranged on the side surface of the frame,
4. a first guide plate for guiding the first guide plate,
51. upper side cover 52, base seat 521, bottom plate 522, conical cover 523 and connecting pipe,
6. a supercharging mechanism 61, an installation box 62, an exhaust fan 63, an air inlet pipe 64 and an air outlet pipe 64,
7. a blowing mechanism 71, an arc pipe 72, a three-way pipe 73, a gas pipe 74 and a nozzle,
8. a collecting mechanism 81, a collecting pipe 82, a filter element 83, a threaded connection part 84, a flange 85 and a conical pipe,
9. an operation port is arranged on the base plate,
10. a second guide plate for guiding the second guide plate,
111. a connecting ring, 112, a connecting rod, 113 and a press ring.
Detailed Description
The invention is further described below with reference to the drawings and the embodiments.
First embodiment
Referring to fig. 1, fig. 2 and fig. 3, wherein fig. 1 is a schematic structural diagram illustrating a first embodiment of an apparatus for effectively removing oxide slag from a surface of a steel billet according to the present invention; FIG. 2 is a front view of FIG. 1; fig. 3 is a top view of fig. 1. An apparatus capable of effectively removing oxide slag on the surface of a steel billet, comprising:
a mounting frame 1;
the upper side polishing mechanism 2 is arranged on the upper side of the mounting frame 1, and the upper side polishing mechanism 2 is arranged on the upper side of the mounting frame 1;
the two side surface grinding mechanisms 3 are symmetrically arranged at the left side and the right side of the mounting rack 1;
the upper side grinding mechanism 2 and the side grinding mechanism 3 respectively comprise a fixed cover 21, a connecting arm 22, a fixed frame 23, a grinding roller 24 and an elastic piece 25;
the fixed cover 21 is installed on the installation frame 1 through a fixing piece, the connecting arm 22 penetrates through the fixed cover 21, the fixing frame 23 is fixed at one end of the connecting arm 22, the grinding roller 24 is rotatably installed inside the fixing frame 23, and an elastic piece 25 is sleeved on the surface of the connecting arm 22 and positioned between the fixing frame 23 and the fixed cover 21.
The elastic element 25 is preferably a spring, wherein the fixing element for mounting the fixing cover 21 and the mounting rack 1 can be a bolt, a clamping mechanism or the like, and the spring can be replaced by removing the fixing cover 21;
the top end of the connecting arm 22 and the upper side of the fixed cover 21 are in threaded connection with a limit nut, so that the movement of the connecting arm 22 can be limited, and only the connecting arm can move to one side far away from the fixed cover 21, and the end part of the connecting arm 22 is correspondingly provided with an external thread.
Wherein mount 23 is the U-shaped frame, and the roof of U-shaped frame and two curb plates are installed when can dismantling to through with two curb plates and roof component force, can pull down grinding roller 24, clear up or change. And the installation mode of the side plates and the U-shaped frame can be realized through mechanisms such as bolts or clamping connection and the like.
A limiting pipe 26 is arranged on the top of the fixing frame 23 and outside the elastic element 25.
The limiting pipe can limit the horizontal direction of the elastic part 25, so that the elastic part can only move up and down.
First guide plates 4 are arranged inside the mounting frame 1 and on two sides of the two side grinding mechanisms 3.
The first guide plate 4 can guide and limit the billet to be polished so that the billet can more stably pass through a polishing area;
wherein, the upper side grinding mechanism 2 and the two side grinding mechanisms 3 are arranged in a staggered way and are not positioned on the same plane.
The mounting rack 1 is also provided with a spraying and sweeping mechanism and a spraying mechanism.
A method for effectively removing oxidation slag on the surface of a steel billet comprises the following steps:
s1: determining the installation position of the device according to the position of the furnace discharging roller way of the heating furnace, and then installing the device;
s2: compressed air, cooling water and oil gas are introduced for lubrication;
s3: after all the hot billets are installed, when the hot billets pass through the device, the hot billets are rolled and polished by the upper side polishing mechanism 2 and the two side polishing mechanisms 3, so that oxide slag on the surfaces of the steel billets are stripped;
wherein the surface of the thermal distribution is contacted with the grinding roller 24 during grinding, and the elastic piece 25 compresses the fixing frame 23, so that the grinding roller 24 can be tightly contacted with the billet, and the grinding effect is improved.
S4: the compressed air nozzle of the spraying and sweeping mechanism is used for blowing and the atomizing mechanism is used for atomizing water pressure and dust, so that the descaling and dust falling of the steel billet are achieved.
The distribution and sweeping mechanism comprises a connecting pipe, a compressed air nozzle, an air inlet pipe and an air blower, wherein the compressed air nozzle is arranged on the connecting pipe, the connecting pipe is fixed on the mounting frame 1 and corresponds to a moving route of a steel billet during polishing, and one end of the connecting pipe is connected with the output end of the air blower through the air inlet pipe;
the spraying mechanism comprises a water pump, an atomizing spray head and a connecting pipeline, wherein the input end of the water pump is connected with a water source through the connecting pipeline, the output end of the water pump is connected with the atomizing spray head through the connecting pipeline, and the atomizing spray head faces to the direction of pipeline movement.
Compared with the related art, the device capable of effectively removing the oxidation slag on the surface of the steel billet has the following beneficial effects:
by arranging the upper side polishing mechanism 2 and the two side polishing mechanisms 3, the oxidizing slag dust in a discharge roller way and a rough rolling area of the heating furnace is effectively reduced, and the physical and mental health of workers is guaranteed;
the oxidation slag below the roughing mill is greatly reduced, the dust on the surface of equipment in the area is obviously reduced, and the workload and the working strength of workers are effectively reduced;
the risk that iron scales are pressed into slag in the rolling process of the rolled piece is reduced, the surface smoothness of the steel is improved, and the surface quality of the product is improved.
Second embodiment
Referring to fig. 4, 5, 6, 7 and 8, a second embodiment of the present application provides another apparatus capable of effectively removing oxide slag on the surface of a steel billet based on the apparatus capable of effectively removing oxide slag on the surface of a steel billet provided by the first embodiment of the present application. The second embodiment is only the preferred mode of the first embodiment, and the implementation of the second embodiment does not affect the implementation of the first embodiment alone.
Specifically, the apparatus capable of effectively removing the oxidized slag on the surface of the steel billet provided by the second embodiment of the present application is different in that a protective cover is installed outside the mounting frame 1, the protective cover includes an upper cover 51 and a base 52, the upper cover 51 is installed on the base 52, the base 52 includes a bottom plate 521, a conical cover 522 and a connecting pipe 523, the conical cover 522 is installed at the bottom of the bottom plate 521, and the connecting pipe 523 is connected to the bottom end of the conical cover 522.
Wherein the bottom of the mounting frame 1 in this embodiment is the base 52.
The upper side cover 51 and the base 52 are detachably mounted, wherein the upper side cover 51 and the base 52 can be mounted through bolts and nuts, the nuts are fixed on the bottom plate 521, assembling holes are correspondingly formed in the upper side cover 51, and the elastic part 25, the polishing roller 24 and the like can be conveniently replaced by detaching the upper side cover 51;
one side of the connecting pipe 523 is provided with an air inlet branch pipe, on which a filter screen is arranged to assist air inlet, wherein the diameter of the connecting pipe 523 is far smaller than that of the connecting pipe.
The exhaust fan 62 is a centrifugal type exhaust fan, and the penetration part of the air outlet pipe 64 and the installation box 61 is processed by mechanical sealing.
It installs collection mechanism 8 to go out the other end of tuber pipe 64, it includes collecting pipe 81, filter 82, threaded connection portion 83 and toper pipe 85 to collect mechanism 8, collecting pipe 81 pass through threaded connection portion 83 threaded connection in go out on the tuber pipe 64, the bottom of collecting pipe 81 inner wall is provided with filter 82, toper pipe 85 install in collecting pipe 81's bottom, the internally mounted who goes out tuber pipe 64 has go-between 111, a plurality of connecting rods 112 of the bottom fixedly connected with of go-between 111, connecting rod 112's one end extends to collecting pipe 81's inside, connecting rod 112's bottom just is located filter 82's upside fixedly connected with clamping ring 113.
The filter element 82 is preferably a cloth bag filter, and by providing a conical tube 85, the air flow can be pressurized, so that the air flow entering the purging mechanism 7 can have sufficient air pressure;
the bottom end of the inner wall of the air outlet pipe 64 is provided with internal threads corresponding to the threaded connecting part 83, and the number of the connecting rods 112 is more than two;
The purging mechanism 7 is installed inside the upper side cover 51, the purging mechanism 7 comprises two arc pipes 71, a three-way pipe 72, air conveying pipes 73 and a spray head 74, the two arc pipes 71 are installed on two sides inside the upper side cover 51, the spray head 74 is installed on the inner side of the arc pipes 71, the bottom end of the conical pipe 85 is installed on the three-way pipe 72, the air conveying pipes 73 are connected to two ends of the three-way pipe 72, and the two air conveying pipes 73 are respectively communicated with the two arc pipes 71.
The arc-shaped pipes 71 are arranged on the inner wall of the upper side cover 51 through fixing arms, three spray heads 74 are preferably arranged on each arc-shaped pipe 71 at equal intervals, the spray heads face the polished steel blanks, and the air conveying pipes 73 are hoses.
The operation opening 9 is opened on both sides of the upper side cover 51, and the second guide plate 10 is arranged on one side of the upper side cover 51 and on both sides of the operation opening 9.
The guide plate 10 guides the transport of the billet to be ground.
The device and the method for effectively removing the oxidation slag on the surface of the billet provided by the invention have the following working principles:
when the upper side grinding mechanism 2 is matched with the two side grinding mechanisms 3 for grinding;
when the air exhauster 62 is turned on, the air exhauster 62 works, the air inlet end of the air exhauster 62 enables the interior of the installation box 61 to generate negative pressure, and at the moment, air flow enters through the air inlet pipe 63, and as one end of the air inlet pipe 63 is connected with the connecting pipe 523 at the lower end of the conical cover 522, an adsorption cavity is formed in the conical cover 522;
the ground small chip powder is adsorbed through the adsorption cavity;
wherein the air flow absorbed by the exhaust fan 62 sequentially enters the purging mechanism 7 through the collecting mechanism 8;
the air flow enters the two arc-shaped pipes 71 through the three-way pipe 72, is sprayed out to the polished steel billet through the spray head 74, and sweeps the polished powder to better enter the conical cover 522;
wherein dust in the air flow is filtered by the filter 82 after entering the collecting pipe 81;
when the collected debris in the collecting pipe 81 needs to be cleaned;
firstly, the conical pipe 85 and the collecting pipe 81 are detached, then the collecting pipe 81 is screwed to be separated from the air outlet pipe 64, at the moment, the movable conical pipe 85 and the collecting pipe 81 can be staggered, the collecting pipe 81 is detached, at the moment, debris in the collecting pipe 81 can be cleaned, and the filter element 82 can be cleaned or replaced;
during the installation, establish clamping ring 113 with the corresponding cover of collecting pipe 81, then upper end and play tuber pipe 64 threaded connection, screw up the back, the clamping ring compresses tightly filtering part 82, then the ring flange cooperation bolt be connected with column casing 85 can, be convenient for clear up collect the piece of polishing.
Compared with the related art, the device capable of effectively removing the oxidation slag on the surface of the steel billet has the following beneficial effects:
through setting up the protection casing, supercharging mechanism 6, scavenge mechanism 7, base 52 and collection mechanism 8, can cooperate base 52 and scavenge mechanism 7 through supercharging mechanism 6, can realize sweeping the piece of grinding the steel billet surface through an air exhauster 62, produce the adsorption affinity simultaneously and adsorb the piece and carry to collect in collecting mechanism 8 and concentrate the collection, high durability and convenient use, be convenient for simultaneously clear up and strain 82 and clear up or change the piece to the piece after polishing, high durability and convenient use, and realize purging and adsorb two functions through an air exhauster 62, more energy-concerving and environment-protective.
And do not spray the piece and wet, be convenient for the piece follow the air current and get into and collect in collection mechanism 8, and avoid the adhesion in equipment.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. An apparatus for efficiently removing oxide slag on a surface of a steel slab, comprising:
a mounting frame;
the upper side polishing mechanism is arranged on the upper side of the mounting frame;
the two side surface grinding mechanisms are symmetrically arranged on the left side and the right side of the mounting rack;
the upper side polishing mechanism and the side surface polishing mechanism respectively comprise a fixed cover, a connecting arm, a fixed frame, a polishing roller and an elastic piece;
the fixed cover pass through the mounting in on the mounting bracket, the linking arm run through set up in fixed covering, the mount is fixed in the one end of linking arm, the roller of polishing rotate install in the inside of mount, the surface of linking arm just is equipped with the elastic component for being located the cover between mount and the fixed cover.
2. The apparatus for removing oxide slag from the surface of steel billet according to claim 1, wherein a stopper tube is installed on the top of the fixing frame and outside the elastic member.
3. The apparatus of claim 1, wherein first guide plates are installed inside the mounting frame and at both sides of the side grinding mechanisms.
4. The apparatus of claim 1, wherein the mounting frame is further provided with a spraying means and a mist spraying means.
5. The apparatus of claim 1, wherein a shield is installed outside the mounting frame, the shield comprises an upper cover and a base, the upper cover is installed on the base, the base comprises a bottom plate, a conical cover and a connecting pipe, the conical cover is installed on the bottom of the bottom plate, and the connecting pipe is connected with the bottom end of the conical cover.
6. The apparatus according to claim 5, wherein a pressurizing mechanism is installed on the upper side of the upper housing, the pressurizing mechanism comprises a mounting box, an exhaust fan, an air inlet pipe and an air outlet pipe, the mounting box is installed on the upper housing, the exhaust fan is installed inside the mounting box, the air inlet pipe is connected to the mounting box, and one end of the air outlet pipe penetrates through the mounting box and then is connected to an output end of the exhaust fan.
7. The device of claim 6, wherein a collecting mechanism is mounted at the other end of the air outlet pipe, the collecting mechanism comprises a collecting pipe, a filter, a threaded connection part and a tapered pipe, the collecting pipe is connected to the air outlet pipe through the threaded connection part, the filter is arranged at the bottom of the inner wall of the collecting pipe, the tapered pipe is mounted at the bottom end of the collecting pipe, a connecting ring is mounted inside the air outlet pipe, a plurality of connecting rods are fixedly connected to the bottom of the connecting ring, one ends of the connecting rods extend into the collecting pipe, and a pressing ring is fixedly connected to the bottom end of each connecting rod and located on the upper side of the filter.
8. The device according to claim 7, wherein the purging mechanism is mounted inside the upper side cover and comprises two arc pipes, a three-way pipe, gas pipes and a nozzle, the two arc pipes are mounted on two sides inside the upper side cover, the nozzle is mounted on the inner side of the arc pipes, the three-way pipe is mounted at the bottom end of the conical pipe, the gas pipes are connected to two ends of the three-way pipe, and the two gas pipes are respectively communicated with the two arc pipes.
9. The apparatus of claim 8, wherein the upper cover has an operation opening at both sides thereof, and second guide plates are provided at one side of the upper cover and at both sides of the operation opening.
10. A method for effectively removing oxide slag on the surface of a steel slab according to any one of claims 1 to 4, comprising the steps of:
s1: determining the installation position of the device according to the position of the discharge roller way of the heating furnace, and then installing the device;
s2: compressed air, cooling water and oil gas are introduced for lubrication;
s3: after all the hot billets are installed, when the hot billets pass through the device, the hot billets are ground and polished through the upper side polishing mechanism and the two side polishing mechanisms, so that oxide slag on the surfaces of the steel billets are stripped;
s4: the compressed air nozzle of the spraying and sweeping mechanism is used for blowing and the atomizing mechanism is used for atomizing water pressure and dust, so that the descaling and dust falling of the steel billet are achieved.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210445006.4A CN114850231B (en) | 2022-04-26 | 2022-04-26 | Device and method capable of effectively removing oxide slag on surface of steel billet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210445006.4A CN114850231B (en) | 2022-04-26 | 2022-04-26 | Device and method capable of effectively removing oxide slag on surface of steel billet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114850231A true CN114850231A (en) | 2022-08-05 |
| CN114850231B CN114850231B (en) | 2023-10-10 |
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| CN202210445006.4A Active CN114850231B (en) | 2022-04-26 | 2022-04-26 | Device and method capable of effectively removing oxide slag on surface of steel billet |
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