CN213997214U - Novel steel billet purging system - Google Patents

Novel steel billet purging system Download PDF

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Publication number
CN213997214U
CN213997214U CN202022435024.3U CN202022435024U CN213997214U CN 213997214 U CN213997214 U CN 213997214U CN 202022435024 U CN202022435024 U CN 202022435024U CN 213997214 U CN213997214 U CN 213997214U
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China
Prior art keywords
metal detector
cold
steel billet
purging
cold metal
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CN202022435024.3U
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Inventor
郭杨利
温沛
李明生
刘向太
王涛
石建学
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Hebei Xinghua Iron And Steel Co ltd
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Hebei Xinghua Iron And Steel Co ltd
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Abstract

The utility model discloses a novel steel billet purging system, which comprises a first purging device and a hot metal detector which are arranged in a flying shear area, a second purging device, a third purging device, a first cold metal detector and a second cold metal detector which are arranged in a straightener area, and a fourth purging device and a third cold metal detector which are arranged in a cold saw area, wherein the hot metal detector, the first cold metal detector, the second cold metal detector and the third cold metal detector transmit a steel billet signal to a contactor, the first purging device, the second purging device, the third purging device and the fourth purging device all comprise a gas tank, the input end of the gas tank is connected with a main compressed air pipeline, a manual ball valve, a pressure gauge, a pneumatic valve and a gas pipe nozzle are sequentially arranged on an output gas pipe, the gas pipe nozzle is vertically arranged at a position 30cm above the central position of a steel billet running track, the utility model solves the problems of high content of scale on the surface of the finished billet product and rust formation on the surface.

Description

Novel steel billet purging system
Technical Field
The utility model belongs to the technical field of steel mill steel billet processing technique and specifically relates to a novel steel billet purging system.
Background
The length of the section steel needs to be adjusted in the production process, the cooling bed is guaranteed to be capable of bearing completely, flying shears are needed to carry out head shearing and tail removal, a large amount of iron oxide scales can be attached to the surface of a steel billet after the steel billet passes through a BD rolling mill, the problems of impurities and large amount of iron oxide scales can be caused to the surface of a finished product steel after the steel billet passes through a finishing rolling mill, the semi-finished product steel needs to be cooled on the cooling bed after being rolled through the finishing rolling mill, the finished product can be rapidly cooled due to the narrow width of the cooling bed, the finished product can be bent, in order to guarantee the straightness, a straightener is required to be passed, the cooling bed adopts spray cooling, a large amount of water can be accumulated on a web after passing through the straightener, surface corrosion can be caused after water evaporation, due to the existence of the two problems, a large amount of impurities and the adhesion of the iron scales and corrosion caused by the water can be caused on the surface of the finished product, and the appearance quality is poor, the sales pressure is high.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that needs to solve provides a novel steel billet sweep system, uses the shaped steel surface dewatering that does not collect after the iron scale on steel billet surface and rolling, has solved the problem that steel billet finished product surface iron scale content is high and the surface knot rust.
In order to solve the technical problem, the utility model discloses the technical scheme who adopts is: a novel steel billet purging system comprises a first purging device and a hot metal detector which are arranged in a flying shear area, a second purging device, a third purging device, a first cold metal detector and a second cold metal detector which are arranged in a straightener area, a fourth purging device and a third cold metal detector which are arranged in a cold saw area, the hot metal detector, the first cold metal detector, the second cold metal detector and the third cold metal detector collect steel billet signals and transmit the steel billet signals to a contactor arranged in a power distribution room, the first purging device, the second purging device, the third purging device and the fourth purging device all comprise gas tanks, the input end of the air tank is connected with a main compressed air pipeline output by the air compression station, and an output end air pipe is sequentially provided with a manual ball valve, a pressure gauge, a pneumatic valve and an air pipe nozzle, and the air pipe nozzle is vertically arranged at a position 30cm above the center position of the running track of the billet.
The utility model discloses technical scheme's further improvement lies in: the hot metal detector is arranged on an input roller way 5 meters away from the flying shear, and the first blowing device is arranged between the flying shear and the hot metal detector and above the input roller way 3 meters away from the flying shear.
The utility model discloses technical scheme's further improvement lies in: the first cold metal detector is arranged on an input roller way 5 meters away from the straightening machine, the second purging device is arranged between the first cold metal detector and the straightening machine and above the input roller way 3 meters away from the straightening machine, the second cold metal detector is arranged on an output roller way 2 meters away from the straightening machine, and the third purging device is arranged above the output roller way 5 meters away from the straightening machine.
The utility model discloses technical scheme's further improvement lies in: the fourth purging device and the third cold metal detector are both arranged between the stacking and the cold saw, the fourth purging device is arranged above an input roller way 5 meters away from the cold saw, and the third cold metal detector is arranged on the input roller way 2 meters away from the cold saw.
The utility model discloses technical scheme's further improvement lies in: the first air pipe nozzle of the purging device is provided with a nozzle, and the second purging device, the third purging device and the fourth purging device are provided with three nozzles.
The utility model discloses technical scheme's further improvement lies in: the air pipe nozzle adopts a flat shovel type nozzle.
The utility model discloses technical scheme's further improvement lies in: the nozzle of the air pipe nozzle is inclined at 45 degrees.
The utility model discloses technical scheme's further improvement lies in: the system pressure is adjusted to 0.6MPa by the cooperation of a manual ball valve and a pressure gauge.
Due to the adoption of the technical scheme, the utility model discloses the technological progress who gains is:
1. the blowing device is respectively arranged in the flying shear area, the straightener area and the cold saw area according to the production sequence, the blowing device in the flying shear area is mainly used for blowing the iron scale on the surface of the billet, the generation of a large amount of iron scale on the surface of a finished product is reduced, and the blowing device in the straightener area and the cold saw area is mainly used for blowing accumulated water on a web plate, so that the corrosion on the surface of the finished product is reduced, and the surface quality is improved;
2. the nozzle of the utility model adopts 45-degree inclined arrangement, and the effect of sweeping the surface iron scale and water is better than that of direct blowing;
3. the utility model discloses parison purging system pressure is adjusted to 0.6MPa by manual ball valve and manometer cooperation, through experimental, can reach deoxidization iron sheet and dewatering effect, great reduction iron sheet and iron rust, improved finished product quality.
Drawings
FIG. 1 is a schematic structural view of the purging device of the present invention;
FIG. 2 is a schematic structural view of a nozzle of the present invention;
FIG. 3 is a schematic structural view of the three-nozzle air pipe nozzle of the present invention;
FIG. 4 is a schematic structural view of the flying shear area of the present invention;
FIG. 5 is a schematic view of the structure of the area of the leveler of the present invention;
FIG. 6 is a schematic structural view of the cold sawing area of the present invention;
the device comprises a first blowing device 1, a hot metal detector 2, a second blowing device 3, a third blowing device 4, a first cold metal detector 5, a second cold metal detector 6, a fourth blowing device 7, a third cold metal detector 8, a gas tank 9, a gas tank 10, a main compressed air pipeline 11, a manual ball valve 12, a pressure gauge 13, a pneumatic valve 14, a gas pipe nozzle 15, a flying shear 16, a straightener 17, a cold saw 18 and a stacking device.
Detailed Description
The present invention will be described in further detail with reference to the following examples:
as shown in fig. 1 to 6, a novel steel billet purging system comprises a first purging device 1 and a hot metal detector 2 arranged in a flying shear area, a second purging device 3, a third purging device 4, a first cold metal detector 5 and a second cold metal detector 6 arranged in a straightener area, and a fourth purging device 7 and a third cold metal detector 8 arranged in a cold saw area, wherein the hot metal detector 2, the first cold metal detector 5, the second cold metal detector 6 and the third cold metal detector 8 collect steel billet signals and transmit the steel billet signals to a contactor arranged in a distribution room, the first purging device 1, the second purging device 3, the third purging device 4 and the fourth purging device 7 all comprise a gas tank 9, an input end of the gas tank 9 is connected with a main compressed air pipeline 10 output by an air compression station, and a manual ball valve 11 is sequentially arranged on an output end gas pipe of the gas tank 9, Manometer 12, pneumatic valve 13 and trachea shower nozzle 14, trachea shower nozzle 14 adopts flat shovel formula shower nozzle, trachea shower nozzle 14's spout slope 45 degrees settings, and the effect of sweeping surperficial iron oxide and water is better than directly blowing, trachea shower nozzle 14 sets up perpendicularly in billet orbit central point and puts the top 30cm department, because flying shear region 1 mainly sweeps the iron oxide, requires that the tolerance is concentrated, and the big trachea shower nozzle 14 that first sweeps device 1 that sweeps of jet power sets up a spout, because the straightener is regional mainly being applied to the dewatering with the cold saw, requires the scope light, and the air current area of coverage is big, so the second sweeps device 3, the third sweeps trachea shower nozzle 14 that device 4 and fourth swept device 7 and all sets up three spout.
As illustrated in fig. 4: the hot metal detector 2 is arranged on an input roller way which is 155 meters away from the flying shear, the first blowing device 1 is arranged between the flying shear 15 and the hot metal detector 2 and above the input roller way which is 153 meters away from the flying shear, after the steel billet passes through the hot metal detector 2, the hot metal detector 2 transmits a signal to the contactor, and the contactor starts to guide the pneumatic valve 13 to open and starts to blow air; after the billet leaves the hot metal detector 2, the billet transmits a signal to the contactor through the hot metal detector 2, and the contactor guides the pneumatic valve 13 to be closed in a delayed mode for 1 second.
As shown in fig. 5: the first cold metal detector 5 is arranged on an input roller way which is 165 meters away from the straightening machine, the second purging device 3 is arranged between the first cold metal detector 5 and the straightening machine 16 and above the input roller way which is 163 meters away from the straightening machine, the second cold metal detector 6 is arranged on an output roller way which is 162 meters away from the straightening machine, the third purging device 4 is arranged above the output roller way which is 165 meters away from the straightening machine, after the steel billet passes through the first cold metal detector 5, the first cold metal detector 5 transmits a signal to the contactor, the contactor starts to guide the pneumatic valve 13 on the second purging device 3 to open and start to blow air, after the steel billet leaves the first cold metal detector 5, the first cold metal detector 5 transmits a signal to the contactor, the contactor guides the pneumatic valve 13 on the second purging device 3 to delay for 1 second to close, after the steel billet passes through the straightening machine 16 and then passes through the second cold metal detector 6, the second cold metal detector 6 transmits a signal to the contactor, the contactor starts to guide the pneumatic valve 13 of the third purging device 4 to be opened and starts to blow air, the second cold metal detector 6 transmits a signal to the contactor after the steel billet leaves the second cold metal detector 6, and the contactor guides the pneumatic valve 13 on the third purging device 4 to be closed in a time delay of 1 second;
as shown in fig. 6: the fourth purging device 7 and the third cold metal detector 8 are arranged between the cold saw 17 and the stacking device 18, the fourth purging device 7 is arranged above an input roller way 175 meters away from the cold saw, the third cold metal detector 8 is arranged on the input roller way 172 meters away from the cold saw, after the steel billet passes through the third cold metal detector 8, the third cold metal detector 8 transmits a signal to a contactor, and the contactor starts to guide a pneumatic valve 13 on the fourth purging device 7 to be opened and start to blow air; after the steel billet leaves the third cold metal detector 8, the third cold metal detector 8 transmits a signal to the contactor, and the contactor guides the pneumatic valve 13 on the fourth purging device 7 to be closed within 1 second, so that the whole system is completed.
The utility model discloses a steel billet purge system pressure is adjusted to 0.6MPa by manual ball valve 11 and manometer 12 cooperation, through experimental, can reach deoxidization iron scale and dewatering effect, great reduction iron scale and iron rust, improved finished product quality.

Claims (8)

1. The utility model provides a novel steel billet purge system which characterized in that: including setting up in first blowing device (1) and hot metal detector (2) of flying shear region, setting up in second blowing device (3) of straightener region, third blowing device (4), first cold metal detector (5) and second cold metal detector (6), set up in fourth blowing device (7) and third cold metal detector (8) of cold saw region, hot metal detector (2), first cold metal detector (5), second cold metal detector (6) and third cold metal detector (8) gather the steel billet signal and with steel billet signal transfer to the contactor that sets up in the electricity distribution room, first blowing device (1), second blowing device (3), third blowing device (4) and fourth blowing device (7) all include gas pitcher (9), main compressed air pipeline (10) that the input of gas pitcher (9) was connected the output of air compression station, The output end air pipe is sequentially provided with a manual ball valve (11), a pressure gauge (12), a pneumatic valve (13) and an air pipe nozzle (14), and the air pipe nozzle (14) is vertically arranged at a position 30cm above the center position of a billet running track.
2. The novel steel billet purging system as claimed in claim 1, wherein: the hot metal detector (2) is arranged on an input roller way 5 meters away from the flying shear (15), and the first blowing device (1) is arranged between the flying shear (15) and the hot metal detector (2) and above the input roller way 3 meters away from the flying shear (15).
3. The novel steel billet purging system as claimed in claim 1, wherein: the first cold metal detector (5) is arranged on an input roller way 5 meters away from the straightening machine (16), the second purging device (3) is arranged between the first cold metal detector (5) and the straightening machine (16) and above the input roller way 3 meters away from the straightening machine (16), the second cold metal detector (6) is arranged on an output roller way 2 meters away from the straightening machine (16), and the third purging device (4) is arranged above an output roller way 5 meters away from the straightening machine (16).
4. The novel steel billet purging system as claimed in claim 1, wherein: the fourth purging device (7) and the third cold metal detector (8) are arranged between the cold saw (17) and the stacking machine (18), the fourth purging device (7) is arranged above an input roller way located 5 meters away from the cold saw (17), and the third cold metal detector (8) is arranged on the input roller way located 2 meters away from the cold saw (17).
5. The novel steel billet purging system as claimed in claim 1, wherein: the air pipe spray head (14) of the first purging device (1) is provided with a nozzle, and the air pipe spray heads (14) of the second purging device (3), the third purging device (4) and the fourth purging device (7) are all provided with three nozzles.
6. The novel steel billet purging system as claimed in claim 5, wherein: the air pipe spray head (14) adopts a flat shovel type spray head.
7. The novel steel billet purging system as claimed in claim 6, wherein: the nozzle of the air pipe spray head (14) is inclined at 45 degrees.
8. The novel steel billet purging system as claimed in claim 1, wherein: the system pressure is adjusted to 0.6MPa by the cooperation of a manual ball valve (11) and a pressure gauge (12).
CN202022435024.3U 2020-10-28 2020-10-28 Novel steel billet purging system Active CN213997214U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022435024.3U CN213997214U (en) 2020-10-28 2020-10-28 Novel steel billet purging system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202022435024.3U CN213997214U (en) 2020-10-28 2020-10-28 Novel steel billet purging system

Publications (1)

Publication Number Publication Date
CN213997214U true CN213997214U (en) 2021-08-20

Family

ID=77301715

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202022435024.3U Active CN213997214U (en) 2020-10-28 2020-10-28 Novel steel billet purging system

Country Status (1)

Country Link
CN (1) CN213997214U (en)

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