CN215587479U - Hot rolled strip steel nitrogen protection system - Google Patents
Hot rolled strip steel nitrogen protection system Download PDFInfo
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- CN215587479U CN215587479U CN202120579126.4U CN202120579126U CN215587479U CN 215587479 U CN215587479 U CN 215587479U CN 202120579126 U CN202120579126 U CN 202120579126U CN 215587479 U CN215587479 U CN 215587479U
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- strip steel
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- rack frame
- supply device
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Abstract
The utility model relates to a nitrogen protection system for hot rolled strip steel, and belongs to the technical field of hot rolled strip steel production. The technical scheme is as follows: the machine body (1) is a closed structure with a cavity, the nitrogen supply device (2) is arranged above the strip steel, and the heating device (3) is arranged below the strip steel; the nitrogen supply device (2) comprises a nitrogen cylinder (5), a guide rail (21), a gear, a rack frame (23), an air injection pipe (24), a sliding block (25) and a spray head (26), the air injection pipe (24) is fixed on the rack frame (23), the rack frame (23) is connected to the guide rail (21) in a sliding mode through the sliding block (25), and the gear is meshed with the rack frame (23); the heating device (3) comprises a heating box (31), a heating wire (32), a heat conducting sheet (33) and a temperature indicating lamp (34). The utility model has the beneficial effects that: the hot-rolled strip steel is ensured to be in a nitrogen environment, the hot-rolled strip steel can be heated, and the strip steel is prevented from being cooled and deformed due to temperature reduction.
Description
Technical Field
The utility model relates to a nitrogen protection system for hot rolled strip steel, and belongs to the technical field of hot rolled strip steel production in the metallurgical industry.
Background
Hot rolling is a rolling performed at a recrystallization temperature or lower, as compared with cold rolling, which is a rolling performed at a recrystallization temperature or higher. The hot rolling can obviously reduce energy consumption and cost. The hot rolling has high metal plasticity and low deformation resistance, greatly reduces the energy consumption of metal deformation, can improve the processing technological properties of metals and alloys, namely crushing large grains in a casting state, obviously healing cracks, reducing or eliminating casting defects, converting an as-cast structure into a deformed structure, and improving the processing properties of the alloys.
The nitrogen protection is needed in the process of hot rolling strip steel technology to prevent the oxidation of strip steel from generating iron sheet on the surface and influencing subsequent processing, the nitrogen protection of the existing hot rolling strip steel nitrogen protection device is not uniform enough when in use, and meanwhile, the necessary heating device is lacked, so that the strip steel is easy to cool and deform, and the use requirement can not be met.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a hot-rolled strip steel nitrogen protection system which can ensure that hot-rolled strip steel is in a nitrogen environment, heat the hot-rolled strip steel, avoid the strip steel from cooling and deforming due to temperature reduction and solve the problems in the background technology.
The technical scheme of the utility model is as follows:
a hot rolled strip steel nitrogen protection system comprises a machine body, a nitrogen supply device and a heating device, wherein the machine body is of a closed structure with a cavity, two sides corresponding to the machine body are respectively provided with a strip steel inlet and a strip steel outlet, the strip steel inlet is provided with a conveying roller wheel, the strip steel outlet is provided with a driving roller wheel, strip steel passes through the cavity of the machine body through the conveying roller wheel and the driving roller wheel, the nitrogen supply device is arranged above the strip steel, and the heating device is arranged below the strip steel;
the nitrogen supply device comprises a nitrogen cylinder, a guide rail, a gear, a rack frame, an air injection pipe, a sliding block and a nozzle, wherein the nitrogen cylinder is connected with the air injection pipe through a hose, the air injection pipe is provided with a plurality of nozzles facing to the strip steel, the air injection pipe is fixed on the rack frame, the rack frame is connected on the guide rail in a sliding manner through the sliding block, the guide rail is fixed on the machine body, the gear is meshed with the rack frame, and the gear is rotationally connected on the machine body through a driving motor;
heating device contains heating cabinet, heater strip, conducting strip and temperature indicator, and the heating cabinet is fixed on the fuselage, is equipped with temperature indicator on the heating cabinet, and the heating cabinet is inside to be equipped with the heater strip, and the heater strip top is equipped with the conducting strip.
Be equipped with the scale mark on the nitrogen cylinder among the nitrogen supply device, and the nitrogen cylinder is connected with the pressure gauge.
And a nitrogen cylinder in the nitrogen supply device is fixed on the guide rail.
The two gears in the nitrogen supply device are in transmission connection, and the two transmission connection gears are respectively meshed with the rack frame.
The air injection device is characterized by further comprising a cooling device, the cooling device comprises a refrigeration box, a refrigerator, a high-pressure pump and a cold air pipe, the refrigeration box and the high-pressure pump are respectively fixed on the upper surface of the machine body, the refrigerator is fixedly mounted inside the refrigeration box, and the high-pressure pump is connected with the air injection pipe through the cold air pipe.
The utility model has the beneficial effects that: according to the utility model, the nitrogen supply device is arranged, the spray head can be driven by the motor to move left and right, so that nitrogen can be conveniently filled in the whole machine body, redundant air in the machine body can be conveniently discharged, nitrogen can be uniformly conveyed, hot-rolled strip steel can be ensured to be in a nitrogen environment, and the nitrogen supply device is more convenient and reliable to use; by arranging the heating device, the hot-rolled strip steel can be heated as required, and the strip steel is prevented from being cooled and deformed due to temperature reduction; through setting up cooling device, can in time cool down the fuselage inside after processing is accomplished to in maintenance, promoted the cooling efficiency of device.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a nitrogen supply apparatus;
FIG. 3 is a front sectional view of the heating apparatus;
FIG. 4 is a schematic view of the cooling apparatus;
in the figure: the device comprises a machine body 1, a nitrogen supply device 2, a heating device 3, a cooling device 4, a nitrogen gas cylinder 5, a conveying roller 7, a driving roller 8, a guide rail 21, an incomplete gear 22, a rack frame 23, an air injection pipe 24, a slide block 25, a spray head 26, a heating box 31, a heating wire 32, a heat conducting sheet 33, a temperature indicator lamp 34, a refrigerating box 41, a refrigerator 42, a high-pressure pump 43 and a cold air pipe 44.
Detailed Description
The utility model is further illustrated by way of example in the following with reference to the accompanying drawings.
Referring to the attached drawings 1-4, the nitrogen protection system for hot rolled strip steel comprises a machine body 1, a nitrogen supply device 2 and a heating device 3, wherein the machine body 1 is of a closed structure with a cavity, two corresponding sides of the machine body 1 are respectively provided with a strip steel inlet and a strip steel outlet, the strip steel inlet is provided with a conveying roller 7, the strip steel outlet is provided with a driving roller 8, strip steel passes through the cavity of the machine body 1 through the conveying roller 7 and the driving roller 8, the nitrogen supply device 2 is arranged above the strip steel, and the heating device 3 is arranged below the strip steel;
the nitrogen supply device 2 comprises a nitrogen gas bottle 5, a guide rail 21, a gear, a rack frame 23, an air injection pipe 24, a sliding block 25 and a nozzle 26, wherein the nitrogen gas bottle 5 is connected with the air injection pipe 24 through a hose, the air injection pipe 24 is provided with a plurality of nozzles 26 facing the strip steel, the air injection pipe 24 is fixed on the rack frame 23, the rack frame 23 is connected on the guide rail 21 in a sliding manner through the sliding block 25, the guide rail 21 is fixed on the machine body 1, the gear is meshed with the rack frame 23, and the gear is rotationally connected on the machine body 1 through a driving motor;
In this embodiment, referring to fig. 1, 2 and 3, the nitrogen protection device for hot-rolled strip steel comprises a machine body 1 and a conveying roller 7 fixedly installed on the side surface of the machine body 1, a driving roller 8 is fixedly installed on one side of the machine body 1 far away from the conveying roller 7, strip steel is conveyed by the conveying roller 7 and the driving roller 8, a nitrogen supply device 2 is installed inside the machine body 1, a guide rail 21 is fixedly installed on the inner wall of the machine body 1, a plurality of sliders 25 are slidably installed inside the guide rail 21, a rack frame 23 is fixedly connected below the sliders 25, racks are fixedly installed on the inner top surface and the inner bottom surface of the rack frame 23, incomplete gears 22 rotatably installed on the inner wall of the machine body 1 are arranged inside the rack frame 23, the number of the incomplete gears 22 is two, the two incomplete gears 22 are connected by a belt pulley, the incomplete gears 22 are mutually engaged with the racks, and an air injection pipe 24 is fixedly installed on the lower bottom surface of the rack frame 23, a plurality of spray heads 26 are arranged below the air injection pipe 24, the air injection pipe 24 is connected with a nitrogen gas bottle 5 fixedly arranged on the upper surface of the guide rail 21 through a hose, a heating device 3 fixedly arranged on the inner bottom surface of the machine body 1 is arranged below the strip steel, when in use, the hot rolled strip steel is conveyed through the conveying roller 7 and the driving roller 8, the motor is started, the incomplete gear 22 rotates under the driving of the motor, thereby driving the rack frame 23 to move left and right, the air injection pipe 24 and the spray heads 26 are convenient to move left and right, the air injection pipe 24 is supplied with nitrogen through the nitrogen gas bottle 5, the whole machine body 1 is convenient to be filled with nitrogen, simultaneously, redundant air in the machine body 1 is convenient to discharge, the nitrogen gas is kept to be conveyed uniformly, the hot rolled strip steel is favorably ensured to be in a nitrogen gas environment, the use is more convenient and reliable, through the arrangement of the heating device 3, the hot rolled strip steel can be heated as required, the temperature reduction is avoided, and the strip steel is cooled and deformed.
Wherein, the side-mounting of nitrogen cylinder 5 has the scale mark, and nitrogen cylinder 5 is connected with the pressure gauge, and the last fixed surface of fuselage 1 installs cooling device 4, is convenient for in time supply like this when supplying nitrogen, is convenient for cool down the device after processing is accomplished simultaneously.
Wherein, heating device 3 includes the heating cabinet 31 of fixed mounting bottom surface in fuselage 1, and the internally mounted of heating cabinet 31 has heater strip 32, and the top of heater strip 32 is provided with conducting strip 33, and the front fixed mounting of heating cabinet 31 has a plurality of temperature indicator 34, is convenient for heat hot rolling belted steel like this in the course of working, is convenient for carry out temperature control to the device through setting up temperature indicator 34.
Wherein, the both sides inner wall fixed mounting of fuselage 1 has the heated board, is convenient for keep warm to the device inside like this carrying out the course of working.
Referring to fig. 4, the cooling device 4 includes a refrigeration box 41 fixedly installed on the upper surface of the body 1 and a high pressure pump 43, and a refrigerator 42 is fixedly installed inside the refrigeration box 41, and the high pressure pump 43 is connected to the gas injection pipe 24 through a cold gas pipe 44.
The working principle is as follows: when the nitrogen gas supplying device is used, hot rolled strip steel is conveyed through the conveying roller 7 and the driving roller 8, the motor is started, the incomplete gear 22 rotates under the driving of the motor, so that the rack frame 23 is driven to move left and right, the gas injection pipe 24 and the spray head 26 are convenient to move left and right, nitrogen is supplied to the gas injection pipe 24 through the nitrogen gas bottle 5, the whole machine body 1 is convenient to be filled with nitrogen gas, meanwhile, redundant air in the machine body 1 is convenient to be discharged, the nitrogen gas is uniformly conveyed, the hot rolled strip steel is favorably ensured to be in a nitrogen gas environment, and the nitrogen gas supplying device is more convenient and reliable to use; by arranging the heating device 3, the hot-rolled strip steel can be heated as required, and the strip steel is prevented from being cooled and deformed due to temperature reduction; through setting up cooling device 4, can in time cool down the device inside after processing is accomplished to in maintenance, promoted the cooling efficiency of device.
Claims (5)
1. The utility model provides a hot rolling strip steel nitrogen protection system which characterized in that: the nitrogen supply device comprises a machine body (1), a nitrogen supply device (2) and a heating device (3), wherein the machine body (1) is of a closed structure with a cavity, two corresponding sides of the machine body (1) are respectively provided with a strip steel inlet and a strip steel outlet, the strip steel inlet is provided with a conveying roller (7), the strip steel outlet is provided with a driving roller (8), strip steel passes through the cavity of the machine body (1) through the conveying roller (7) and the driving roller (8), the nitrogen supply device (2) is arranged above the strip steel, and the heating device (3) is arranged below the strip steel;
the nitrogen supply device (2) comprises a nitrogen gas cylinder (5), a guide rail (21), a gear, a rack frame (23), an air injection pipe (24), a sliding block (25) and a spray head (26), the nitrogen gas cylinder (5) is connected with the air injection pipe (24) through a hose, the air injection pipe (24) is provided with a plurality of spray heads (26) facing to strip steel, the air injection pipe (24) is fixed on the rack frame (23), the rack frame (23) is connected to the guide rail (21) through the sliding block (25) in a sliding manner, the guide rail (21) is fixed on the machine body (1), the gear is meshed with the rack frame (23), and the gear is connected to the machine body (1) through a driving motor in a rotating manner;
heating device (3) contain heating cabinet (31), heater strip (32), conducting strip (33) and temperature indicator (34), and heating cabinet (31) are fixed on fuselage (1), are equipped with temperature indicator (34) on heating cabinet (31), and heating cabinet (31) inside is equipped with heater strip (32), and heater strip (32) top is equipped with conducting strip (33).
2. The hot rolled strip steel nitrogen protection system of claim 1, wherein: be equipped with the scale mark on nitrogen cylinder (5) among the nitrogen supply device (2), and nitrogen cylinder (5) are connected with the pressure gauge.
3. The hot rolled strip steel nitrogen protection system of claim 2, wherein: and a nitrogen cylinder (5) in the nitrogen supply device (2) is fixed on the guide rail (21).
4. The hot rolled strip steel nitrogen protection system of claim 1, wherein: the two gears in the nitrogen supply device (2) are in transmission connection, and the two transmission connection gears are respectively meshed with the rack frame (23).
5. The hot rolled strip nitrogen protection system as claimed in any one of claims 1 to 4, wherein: still contain cooling device (4) in the constitution, cooling device (4) contain refrigeration case (41), refrigerator (42), high-pressure pump (43) and cold air duct (44), and refrigeration case (41) and high-pressure pump (43) are fixed respectively at the upper surface of fuselage, and the inside fixed mounting of refrigeration case (41) has refrigerator (42), and high-pressure pump (43) are connected with jet-propelled pipe (24) through cold air duct (44).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120579126.4U CN215587479U (en) | 2021-03-22 | 2021-03-22 | Hot rolled strip steel nitrogen protection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120579126.4U CN215587479U (en) | 2021-03-22 | 2021-03-22 | Hot rolled strip steel nitrogen protection system |
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| Publication Number | Publication Date |
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| CN215587479U true CN215587479U (en) | 2022-01-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120579126.4U Active CN215587479U (en) | 2021-03-22 | 2021-03-22 | Hot rolled strip steel nitrogen protection system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115301732A (en) * | 2022-08-10 | 2022-11-08 | 深圳市东贤工业材料有限公司 | Energy-saving high accuracy hot press unit for copper strips processing |
-
2021
- 2021-03-22 CN CN202120579126.4U patent/CN215587479U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115301732A (en) * | 2022-08-10 | 2022-11-08 | 深圳市东贤工业材料有限公司 | Energy-saving high accuracy hot press unit for copper strips processing |
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