CN114850231B - Device and method capable of effectively removing oxide slag on surface of steel billet - Google Patents
Device and method capable of effectively removing oxide slag on surface of steel billet Download PDFInfo
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- CN114850231B CN114850231B CN202210445006.4A CN202210445006A CN114850231B CN 114850231 B CN114850231 B CN 114850231B CN 202210445006 A CN202210445006 A CN 202210445006A CN 114850231 B CN114850231 B CN 114850231B
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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
-
- 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
-
- 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 application provides a device capable of effectively removing oxide slag on the surface of a steel billet, which comprises the following components: a mounting frame; the upper polishing mechanism is arranged on the upper side of the mounting frame; the two side polishing mechanisms are symmetrically arranged on the left side and the right side of the mounting frame; the upper side polishing mechanism and the side polishing mechanism comprise a fixed cover, a connecting arm, a fixed frame, a polishing roller and an elastic piece. According to the device and the method for effectively removing the oxide slag on the surface of the steel billet, provided by the application, the upper side polishing mechanism and the two side polishing mechanisms are arranged, so that the oxide slag dust in a furnace discharging roller way and a rough rolling area of a heating furnace is effectively reduced, and the physical and psychological health of workers is ensured; the oxidizing slag below the roughing mill set 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 oxide scales are pressed into slag inclusion in the rolling process of the rolled piece is reduced, the surface finish of steel is improved, and the surface quality of a product is improved.
Description
Technical Field
The application relates to the field of billet surface treatment, in particular to a device and a method capable of effectively removing oxidizing slag on the surface of a billet.
Background
During processing, the billet is heated by a heating furnace;
wherein, the continuous heating furnace is the most common furnace used when the steel materials are heated in a steel rolling workshop, the temperature is about 900-1350 ℃ when the blanks are heated, and the temperature is about 700-1150 ℃ when the blanks are heat treated. In a continuous heating furnace, the furnace is operated continuously, the blanks are loaded from the furnace tail with lower furnace temperature, and move towards the furnace head with higher furnace temperature at a certain speed under the mechanical action, and move reversely with hot gas in the furnace chamber, and when the blanks are heated to the temperature required by the process, the blanks are continuously discharged from the furnace.
Because no descaling and dust-settling equipment is arranged on the discharging roller way of the heating furnace at present, billets are directly conveyed to the rolling mill for rolling through the discharging roller way, so that more oxidizing slag dust is generated in the discharging roller way and the roughing mill area, the ground and equipment surfaces in the surrounding area are required to be cleaned frequently, and the oxidizing slag accumulated below the rolling mill is required to be cleaned regularly, so that the workload of workers is increased, and the physical and mental health of the workers is also influenced.
Accordingly, there is a need to provide a device and a method for effectively removing the oxide slag on the surface of the steel billet.
Disclosure of Invention
The application provides a device and a method for effectively removing oxide slag on the surface of a steel billet, which solve the problem that the discharge roller way and rough rolling area of a heating furnace have more oxide slag dust and have serious influence on the surrounding environment and the physical and mental health of personnel.
In order to solve the technical problems, the device for effectively removing the oxide slag on the surface of the steel billet provided by the application comprises:
a mounting frame;
the upper polishing mechanism is arranged on the upper side of the mounting frame;
the two side polishing mechanisms are symmetrically arranged on the left side and the right side of the mounting frame;
the upper polishing mechanism and the side polishing mechanism comprise a fixed cover, a connecting arm, a fixed frame, a polishing roller and an elastic piece;
the fixed cover is installed on the mounting frame through the mounting, the connecting arm run through set up in on the fixed cover, the mount is fixed in the one end of connecting arm, the grinding roller rotate install in the inside of mount, the surface of connecting arm just is equipped with the elastic component for being located between mount and the fixed cover.
Preferably, a limiting pipe is arranged at the top of the fixing frame and positioned outside the elastic piece.
Preferably, the first guide plates are arranged in the mounting frame and positioned on two sides of the two side polishing mechanisms.
Preferably, the mounting frame is also provided with a spraying mechanism and a sweeping mechanism.
Preferably, the externally mounted of mounting bracket has the protection casing, the protection casing includes upside cover and base, the upside cover install in on the base, the base includes bottom plate, toper cover and connecting pipe, the toper cover install in the bottom of bottom plate, the connecting pipe connect with the bottom of toper cover.
Preferably, the supercharging mechanism is installed to upside cover upside, supercharging mechanism includes mounting box, air exhauster, air-supply line and goes out the tuber pipe, the mounting box install in the upside covers, the air exhauster install in the inside of mounting box, the air-supply line connect in on the mounting box, go out the one end of tuber pipe run through behind the mounting box with the output of air exhauster is connected.
Preferably, the collecting mechanism is installed to the other end of play tuber pipe, collecting mechanism includes collecting pipe, filter element, threaded connection portion and conical tube, the collecting pipe pass through threaded connection portion threaded connection in go out on the tuber pipe, the bottom of collecting pipe inner wall is provided with the filter element, the conical tube install in the bottom of collecting pipe, the internally mounted who goes out the tuber pipe has the go-between, the bottom fixedly connected with of go-between a plurality of connecting rods, 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 of filter element.
Preferably, the inside mounting of upside cover has sweeps the mechanism, it includes two arcuation pipes, three-way pipe, gas-supply pipe and shower nozzle to sweep the mechanism, two the arcuation pipe install in the inside both sides of upside cover, the shower nozzle install in the inboard of arcuation pipe, the three-way pipe is installed the bottom of conical tube, the both ends of three-way pipe all are connected with the gas-supply pipe, two the gas-supply pipe respectively with two arcuation pipe intercommunication.
Preferably, the operation opening is all seted up to the both sides of upside cover, one side of upside cover just is provided with the second deflector that is located the both sides of operation opening.
The application also provides a method for effectively removing the oxide 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 a furnace discharging roller way of the heating furnace, and then installing the device;
s2: introducing compressed air, cooling water and oil gas for lubrication;
s3: after all the installation is completed, when the hot blank passes through the device, the hot blank is rolled and polished through an upper side polishing mechanism and two side polishing mechanisms, so that the oxide slag on the surface of the steel blank is stripped;
s4: the compressed air nozzle of the spraying mechanism is used for blowing, the spraying mechanism is used for atomizing hydraulic dust, and the steel billet descaling and dust settling can be achieved.
Compared with the related art, the device and the method for effectively removing the oxide slag on the surface of the steel billet have the following beneficial effects:
the application provides a device and a method for effectively removing oxidizing slag on the surface of a steel billet, which effectively reduce the oxidizing slag dust in a furnace discharging roller way and a rough rolling area of a heating furnace and ensure the physical and psychological health of workers by arranging an upper side polishing mechanism and two side polishing mechanisms;
the oxidizing slag below the roughing mill set 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 oxide scales are pressed into slag inclusion in the rolling process of the rolled piece is reduced, the surface finish of steel is improved, and the surface quality of a product is improved.
Drawings
FIG. 1 is a schematic view of a first embodiment of a device for effectively removing oxide slag from the surface of a steel billet according to the present application;
FIG. 2 is a front view of the device shown in FIG. 1;
FIG. 3 is a top view of the view shown in FIG. 1;
FIG. 4 is a schematic structural view of a second embodiment of a device for effectively removing oxide slag on the surface of a steel billet according to the present application;
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 of the installation box shown in fig. 4.
Reference numerals in the drawings:
1. the mounting frame is provided with a plurality of mounting grooves,
2. the upper side polishing mechanism 21, the fixed cover 22, the connecting arm 23, the fixed frame 24, the polishing roller 25, the elastic piece 26 and the limiting tube,
3. a side polishing mechanism,
4. the first guide plate is arranged on the upper surface of the first guide plate,
51. upper side cover, 52, base, 521, bottom plate, 522, conical cover, 523, connecting pipe,
6. a pressurizing mechanism 61, a mounting box 62, an exhaust fan 63, an air inlet pipe 64 and an air outlet pipe,
7. a purging mechanism 71, an arc-shaped pipe 72, a three-way pipe 73, a gas pipe 74 and a spray head,
8. a collecting mechanism 81, a collecting pipe 82, a filter element 83, a threaded connection part 84, a flange 85, a conical pipe,
9. an operation port is arranged on the inner side of the box body,
10. the second guide plate is arranged on the upper surface of the first guide plate,
111. the connecting ring, 112, the connecting rod, 113, the clamping ring.
Detailed Description
The application will be further described with reference to the drawings and embodiments.
First embodiment
Referring to fig. 1, fig. 2 and fig. 3 in combination, fig. 1 is a schematic structural diagram of a first embodiment of a device for effectively removing oxide slag on a surface of a steel billet according to the present application; FIG. 2 is a front view of the device shown in FIG. 1; fig. 3 is a top view of the device shown in fig. 1. An apparatus for effectively removing oxide slag from the surface of a steel billet, comprising:
a mounting frame 1;
an upper polishing mechanism 2, wherein the upper polishing mechanism 2 is arranged on the upper side of the mounting frame 1;
the two side polishing mechanisms 3 are symmetrically arranged on the left side and the right side of the mounting frame 1;
the upper polishing mechanism 2 and the side polishing mechanism 3 comprise a fixed cover 21, a connecting arm 22, a fixed frame 23, a polishing roller 24 and an elastic piece 25;
the fixed cover 21 is installed on the mounting frame 1 through a fixing piece, the connecting arm 22 penetrates through and is arranged on the fixed cover 21, the fixing frame 23 is fixed at one end of the connecting arm 22, the polishing 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 between the fixing frame 23 and the fixed cover 21.
The elastic member 25 is preferably a spring, wherein the fixing member for fixing the cover 21 and the mounting frame 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 is in threaded connection with a limit nut on the upper side of the fixed cover 21, so that the movement of the connecting arm 22 can be limited, the connecting arm can only move to one side far away from the fixed cover 21, and the end part of the connecting arm 22 is correspondingly provided with external threads.
The fixing frame 23 is a U-shaped frame, and the top plate and the two side plates of the U-shaped frame are installed when being detachable, so that the grinding roller 24 can be detached for cleaning or replacement by force component of the two side plates and the top plate. And the side plates and the U-shaped frame can be mounted by bolts or clamping mechanisms.
A limiting tube 26 is arranged on the top of the fixing frame 23 and positioned outside the elastic piece 25.
The limiting tube can limit the elastic member 25 in the horizontal direction so that it can only move up and down.
The first guide plates 4 are arranged in the installation frame 1 and located on two sides of the two side polishing mechanisms 3.
The first guide plate 4 can guide and limit the billet to be polished so that the billet can pass through the polishing area more stably;
wherein the upper side polishing mechanism 2 and the two side polishing mechanisms 3 are staggered and are not positioned on the same plane.
And the mounting frame 1 is also provided with a spraying and sweeping mechanism and a spraying mechanism.
A method capable of effectively removing oxide 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 a furnace discharging roller way of the heating furnace, and then installing the device;
s2: introducing compressed air, cooling water and oil gas for lubrication;
s3: after all the installation is completed, when the hot billet passes through the device, the hot billet is rolled and polished through the upper side polishing mechanism 2 and the two side polishing mechanisms 3, so that the oxide slag on the surface of the billet is stripped;
wherein, the surface of the hot matching is contacted with the polishing roller 24 during polishing, and the elastic piece 25 presses the fixing frame 23, so that the polishing roller 24 can be tightly contacted with the billet, thereby improving the polishing effect.
S4: the compressed air nozzle of the spraying mechanism is used for blowing, the spraying mechanism is used for atomizing hydraulic dust, and the steel billet descaling and dust settling can be achieved.
The device comprises a steel billet polishing mechanism, a steel billet polishing mechanism and a steel billet polishing mechanism, wherein the steel billet polishing mechanism comprises a connecting pipe, a compressed air nozzle, an air inlet pipe and a blower, the compressed air nozzle is arranged on the connecting pipe, the connecting pipe is fixed on a mounting frame 1, and one end of the connecting pipe is connected with the output end of the blower through the air inlet pipe on a corresponding moving route when the steel billet is polished;
the spraying mechanism comprises a water pump, an atomizing nozzle 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 nozzle through the connecting pipeline, and the atomizing nozzle faces the moving direction of the pipeline.
Compared with the related art, the device capable of effectively removing the oxide 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 oxidation slag dust in the furnace discharging roller way and rough rolling area of the heating furnace is effectively reduced, and the physical and psychological health of workers is ensured;
the oxidizing slag below the roughing mill set 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 oxide scales are pressed into slag inclusion in the rolling process of the rolled piece is reduced, the surface finish of steel is improved, and the surface quality of a product is improved.
Second embodiment
Referring to fig. 4, 5, 6, 7 and 8 in combination, according to a first embodiment of the present application, an apparatus for effectively removing the oxide slag on the surface of a steel billet is provided. The second embodiment is merely a preferred manner of the first embodiment, and implementation of the second embodiment does not affect the implementation of the first embodiment alone.
Specifically, the apparatus for effectively removing the oxide slag on the surface of the steel billet according to the second embodiment of the present application is different in that a protection cover is installed at the outer portion of the installation frame 1, the protection 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 connection pipe 523, the conical cover 522 is installed at the bottom of the bottom plate 521, and the connection pipe 523 is connected to the bottom end of the conical cover 522.
The bottom of the mounting frame 1 in this embodiment is the base 52.
The upper cover 51 and the base 52 are detachably mounted, wherein the upper cover 51 and the base 52 can be mounted by matching a screw cap with a screw bolt, the screw cap is fixed on the bottom plate 521, the upper cover 51 is correspondingly provided with an assembly hole, and the elastic piece 25, the grinding roller 24 and the like can be replaced conveniently by detaching the upper cover 51;
one side of the connection pipe 523 is provided with an intake branch pipe, on which a filter screen is provided to assist intake air, wherein the diameter of the connection pipe 523 is much smaller than that of the connection pipe.
The supercharging mechanism 6 is installed on the upper side of the upper side cover 51, the supercharging mechanism 6 comprises an installation box 61, an exhaust fan 62, an air inlet pipe 63 and an air outlet pipe 64, the installation box 61 is installed on the upper side cover 51, the exhaust fan 62 is installed in the installation box 61, the air inlet pipe 63 is connected to the installation box 61, and one end of the air outlet pipe 64 penetrates through the installation box 61 and then is connected with the output end of the exhaust fan 62.
The suction fan 62 is a centrifugal suction fan, and the penetration between the air outlet pipe 64 and the installation box 61 is treated by mechanical sealing.
The other end of play tuber pipe 64 installs collection mechanism 8, collection mechanism 8 includes collecting pipe 81, filter element 82, threaded connection portion 83 and conical tube 85, 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 element 82, conical tube 85 install in the bottom of collecting pipe 81, the internally mounted of play tuber pipe 64 has go-between 111, the bottom fixedly connected with of go-between 111 a plurality of connecting rods 112, the inside of collecting pipe 81 is extended to the one end of connecting rod 112, the bottom of connecting rod 112 just is located the upside fixedly connected with clamping ring 113 of filter element 82.
The filter 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 purge mechanism 7 has sufficient air pressure;
wherein, the bottom end of the inner wall of the air outlet pipe 64 is provided with internal threads corresponding to the threaded connection part 83, and the connecting rod 112 is not less than two;
the connection between the air outlet pipe 64 and the collecting pipe 81 is provided with a flange 84, and a sealing ring is adhered to the flange 84.
The inside of upside cover 51 has purge mechanism 7, purge mechanism 7 includes two arc pipes 71, three-way pipe 72, gas-supply pipe 73 and shower nozzle 74, two arc pipes 71 install in the inside both sides of upside cover 51, shower nozzle 74 install in the inboard of arc pipe 71, three-way pipe 72 installs the bottom of conical tube 85, the both ends of three-way pipe 72 all are connected with gas-supply pipe 73, two gas-supply pipe 73 respectively with two arc pipes 71 intercommunication.
The arc tubes 71 are mounted on the inner wall of the upper cover 51 by fixing arms, and three spray heads 74 are preferably arranged on each arc tube 71 at equal intervals, the spray heads face polished billets, and the air delivery tube 73 adopts a hose.
The two sides of the upper cover 51 are provided with operation openings 9, and the second guide plates 10 are arranged on one side of the upper cover 51 and positioned on the two sides of the operation openings 9.
The guide plate 10 guides the conveyance of the billet to be polished.
The device and the method for effectively removing the oxide slag on the surface of the steel billet provided by the application have the following working principles:
when the upper side polishing mechanism 2 is matched with the two side polishing mechanisms 3 for polishing;
opening the exhaust fan 62, wherein the exhaust fan 62 works, the air inlet end of the exhaust fan 62 generates negative pressure in the installation box 61, and air flow enters through the air inlet pipe 63 at the moment, and one end of the air inlet pipe 63 is connected with the connecting pipe 523 at the lower end of the conical cover 522, so that an adsorption cavity is formed in the conical cover 522;
the ground small-sized chip powder is adsorbed by the adsorption cavity;
wherein the air flow absorbed by the exhaust fan 62 sequentially passes through the collecting mechanism 8 and enters the purging mechanism 7;
the air flow enters the two arc-shaped pipes 71 through the three-way pipe 72 and is sprayed onto the polished steel billet through the spray nozzle 74, so that the polished powder is well blown down and enters the interior of the conical cover 522;
wherein dust in the air flow is filtered by the filter 82 after entering the collection tube 81;
when cleaning of the collected debris inside the collection tube 81 is required;
firstly, the conical tube 85 is detached from the collecting tube 81, then the collecting tube 81 is separated from the air outlet tube 64 by screwing, at the moment, the movable conical tube 85 and the collecting tube 81 can be staggered, the collecting tube 81 is detached, at the moment, the scraps in the collecting tube 81 can be cleaned, and the filtering piece 82 can be cleaned or replaced;
during installation, the collecting pipe 81 is correspondingly sleeved with the pressing ring 113, then the upper end of the collecting pipe is in threaded connection with the air outlet pipe 64, after the collecting pipe is screwed up, the pressing ring is tightly pressed on the filtering piece 82, and then the flange plate is matched with the bolts to be connected with the cylindrical pipe 85, so that the collecting and polishing chips can be conveniently cleaned.
Compared with the related art, the device capable of effectively removing the oxide slag on the surface of the steel billet has the following beneficial effects:
through setting up protection casing, booster mechanism 6, purge mechanism 7, base 52 and collection mechanism 8, can be through booster mechanism 6 cooperation base 52 and purge mechanism 7, can realize sweeping the piece on polishing the billet surface through an air exhauster 62, produce the adsorption affinity simultaneously and adsorb the piece and carry and collect in collection mechanism 8, convenient to use, be convenient for clear up and filter 82 clear up or change the piece after polishing simultaneously, convenient to use, and realize sweeping and adsorbing two functions through an air exhauster 62, more energy-concerving and environment-protective.
And the chips are not sprayed and wetted, so that the chips can conveniently enter the collecting mechanism 8 to be collected along with the airflow, and the chips are prevented from adhering to the device.
The foregoing description is only illustrative of the present application and is not intended to limit the scope of the application, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present application.
Claims (7)
1. The device capable of effectively removing the oxide slag on the surface of the steel billet is characterized by comprising a mounting frame (1), an upper side polishing mechanism (2) arranged on the upper side of the mounting frame (1), and two side polishing mechanisms (3) symmetrically arranged on the left side and the right side of the mounting frame (1); the upper polishing mechanism (2) and the side polishing mechanism (3) comprise a fixed cover (21), a connecting arm (22), a fixed frame (23), a polishing roller (24) and an elastic piece (25); the fixed cover (21) is arranged on the mounting 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 polishing roller (24) is rotatably arranged in 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 outer part of the mounting frame (23) is provided with a protective cover, the protective cover comprises a base (52) and an upper side cover (51) arranged on the base (52), the base (52) comprises a bottom plate (521), a conical cover (522) and a connecting pipe (523), the conical cover (522) is arranged at the bottom of the bottom plate (521), and the connecting pipe (523) is connected to the bottom end of the conical cover (522); the upper side cover (51) is provided with a pressurizing mechanism (6), the pressurizing mechanism (6) comprises a mounting box (61), an exhaust fan (62), an air inlet pipe (63) and an air outlet pipe (64), the mounting box (61) is mounted on the upper side cover (51), the exhaust fan (62) is mounted inside the mounting box (61), the air inlet pipe (63) is connected to the mounting box (61), one end of the air inlet pipe (63) is connected with a connecting pipe (523) at the bottom end of the conical cover (522), and one end of the air outlet pipe (64) penetrates through the mounting box (61) and then is connected with the output end of the exhaust fan (62); the collecting mechanism (8) is arranged at the other end of the air outlet pipe (64), the collecting mechanism (8) comprises a collecting pipe (81), a filter element (82), a threaded connecting part (83) and a conical pipe (85), the collecting pipe (81) is connected to the air outlet pipe (64) through the threaded connecting part (83) in a threaded mode, the filter element (82) is arranged at the bottom of the inner wall of the collecting pipe (81), and the conical pipe (85) is arranged at the bottom end of the collecting pipe (81); the inside of the upper side cover (51) is provided with a purging mechanism (7), the purging mechanism (7) comprises two arc-shaped pipes (71), a three-way pipe (72), gas transmission pipes (73) and spray heads (74), the two arc-shaped pipes (71) are arranged on two sides of the inside of the upper side cover (51), the spray heads (74) are arranged on the inner sides of the arc-shaped pipes (71), the three-way pipe (72) is arranged at the bottom end of the conical pipe (85), the two ends of the three-way pipe (72) are connected with the gas transmission pipes (73), and the two gas transmission pipes (73) are respectively communicated with the two arc-shaped pipes (71); when the polishing machine works, the upper side polishing mechanism (2) is matched with the two side polishing mechanisms (3) to polish; opening an exhaust fan (62), wherein the air inlet end of the exhaust fan (62) enables negative pressure to be generated in the mounting box (61), air flows enter through the air inlet pipe (63), and one end of the air inlet pipe (63) is connected with a connecting pipe (523) at the bottom end of the conical cover (522), so that an adsorption cavity is formed in the conical cover (522), and ground chip powder is adsorbed through the adsorption cavity; the air flow absorbed by the exhaust fan (62) sequentially passes through the collecting mechanism (8) and enters the purging mechanism (7), the air flow enters the two arc-shaped pipes (71) through the three-way pipe (72), and is sprayed onto polished billets through the spray nozzle (74), so that polished powder is purged and enters the conical cover (522); wherein dust in the air flow enters the collecting pipe (81) and is filtered by the filter element (82); when the scraps collected in the collecting pipe (81) need to be cleaned, the conical pipe (85) is detached from the collecting pipe (81), then the collecting pipe (81) is twisted to be separated from the air outlet pipe (64), the conical pipe (85) is moved to be staggered with the collecting pipe (81), the collecting pipe (81) is detached, scraps in the collecting pipe (81) are cleaned, and the filtering piece (82) is cleaned or replaced; during installation, the collecting pipe (81) is correspondingly sleeved with the pressing ring (113), then the upper end of the collecting pipe is in threaded connection with the air outlet pipe 64, after the collecting pipe is screwed up, the pressing ring is tightly pressed on the filtering piece (82), and then the flange plate is matched with the bolt to be connected with the conical pipe (85), so that the collecting and polishing scraps can be cleaned conveniently.
2. Device according to claim 1, characterized in that a limiting tube (26) is mounted on top of the holder (23) and outside the elastic element (25).
3. The device according to claim 1, characterized in that the first guide plates (4) are mounted inside the mounting frame (23) on both sides of the two side grinding mechanisms (3).
4. The device according to claim 1, characterized in that the mounting (23) is also provided with a sweeping and spraying mechanism.
5. The device according to claim 1, wherein a connecting ring (111) is installed in the air outlet pipe (64), a plurality of connecting rods (112) are fixedly connected to the bottom of the connecting ring (111), one ends of the connecting rods (112) extend to the inside of the collecting pipe (81), and a compression ring (113) is fixedly connected to the bottom end of the connecting rods (112) and located on the upper side of the filter element (82).
6. The device according to claim 1, wherein the upper cover (51) is provided with an operation opening (9) on both sides, and the second guide plates (10) are provided on one side of the upper cover (51) and on both sides of the operation opening (9).
7. A method for removing oxide slag on the surface of a steel billet based on the device of any one of claims 1 to 6, which is characterized by comprising the following steps:
s1: determining the installation position of the device according to the position of a furnace discharging roller way of the heating furnace, and then installing the device;
s2: introducing compressed air, cooling water and oil gas for lubrication;
s3: after all the installation is completed, when the hot blank passes through the device, the hot blank is rolled and polished through an upper side polishing mechanism (2) and two side polishing mechanisms (3), so that the oxide slag on the surface of the steel blank is stripped;
s4: the compressed air nozzle of the spraying mechanism is used for blowing, the spraying mechanism is used for atomizing hydraulic dust, and the steel billet descaling and dust settling can be 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 CN114850231A (en) | 2022-08-05 |
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