CN218925609U - Corrosion-resistant device for distribution box of pickling workshop - Google Patents
Corrosion-resistant device for distribution box of pickling workshop Download PDFInfo
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- CN218925609U CN218925609U CN202222590043.2U CN202222590043U CN218925609U CN 218925609 U CN218925609 U CN 218925609U CN 202222590043 U CN202222590043 U CN 202222590043U CN 218925609 U CN218925609 U CN 218925609U
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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
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- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
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Abstract
The utility model relates to an anti-corrosion device for a distribution box of an acid pickling workshop, which comprises a glass fiber reinforced plastic induced duct main pipe, wherein one side of the main pipe is connected with a plurality of sections of thick pipes, and the other side of the main pipe is connected with a plurality of sections of thin pipes; 2-3 holes are formed in the wall between the pickling power distribution room and the pickling workshop, a thick pipe is arranged in each hole, and a main pipe of the glass fiber reinforced plastic induced air channel is connected with an exhaust channel in the power distribution room through the thick pipe; a sealed stainless steel exhaust fan is arranged on a workshop electric cabinet shell through holes, and the exhaust fan is connected with a tubule of a main pipe of the glass fiber reinforced plastic induced draft channel; and the glass fiber reinforced plastic induced air duct main pipe is used for connecting an electric cabinet in a workshop with an exhaust duct in a power distribution room, and the exhaust fan is used for pumping clean air in the power distribution room into the on-site electric cabinet through the glass fiber reinforced plastic induced air duct main pipe. The beneficial effects of the utility model are as follows: clean air prevents the erosion of electric elements that leads to because of the sour vapour entering scene electric cabinet in pickling workshop, and clean air also can take away a part of heat for electric elements in the workshop electric cabinet, extension electric cabinet life.
Description
Technical Field
The utility model belongs to the technical field of steel plate processing workshop equipment, and relates to an anti-corrosion device for a distribution box of an acid washing workshop.
Background
The pickling process of hot rolled steel coil is one method of eliminating oxide skin and rust on the surface of hot rolled steel coil with acid solution, and is one method of cleaning metal surface.
The number of the on-site process section control boxes of the pickling line workshop is 3, so that the actions of each position of the pickling line are controlled respectively, and a vital effect is achieved. Because the condition that the acid gas volatilizes exists in the steel coil pickling process, the volatilized acid gas in the pickling tank erodes elements in the field electric cabinet, so that the elements in the field process section control cabinet enter the acid gas, the electric elements are aged rapidly, faults are frequent, and abnormal shutdown caused by the damage of the elements of the control cabinet is frequently caused.
Disclosure of Invention
The utility model aims to provide an anti-corrosion device for a distribution box of a pickling workshop, wherein an air suction device is additionally arranged in an electric cabinet of the workshop, so that elements are prevented from being damaged due to the fact that acid gas in the pickling workshop enters the electric cabinet.
The technical scheme of the utility model is as follows:
the utility model relates to an anti-corrosion device for a distribution box of an acid washing workshop, which is characterized in that: the glass fiber reinforced plastic induced draft duct main pipe comprises a plurality of sections of thick pipes connected to one side of the glass fiber reinforced plastic induced draft duct main pipe and a plurality of sections of thin pipes connected to the other side of the glass fiber reinforced plastic induced draft duct main pipe, the thick pipes and the thin pipes are made of glass fiber reinforced plastic and are all acid corrosion-resistant; 2-3 holes are formed in the wall between the pickling power distribution room and the pickling workshop, a thick pipe is arranged in each hole, and a main pipe of the glass fiber reinforced plastic induced air channel is connected with an exhaust channel in the power distribution room through the thick pipe; the exhaust duct is provided with a plurality of branch pipes which are respectively connected with a plurality of power distribution cabinets in the power distribution room, and is provided with an air inlet and an air outlet; a sealed stainless steel exhaust fan is arranged on a workshop electric cabinet shell in an opening mode, the exhaust fan can slow down acid corrosion, and the exhaust fan is connected with a tubule of a main pipe of the glass fiber reinforced plastic induced draft channel; the electric cabinet in the workshop is connected with the exhaust duct in the power distribution room by using the glass fiber reinforced plastic air guide duct main pipe, clean air in the power distribution room is pumped into the on-site electric cabinet by using the exhaust fan through the glass fiber reinforced plastic air guide duct main pipe, the air forms an outward force after entering the electric cabinet, acid vapor is repelled outside, and the clean air can also take away a part of heat for electric elements in the electric cabinet of the workshop, so that the service life of the electric elements is prolonged.
The corrosion-resistant device for the distribution box of the pickling workshop comprises a glass fiber reinforced plastic induced air channel main pipe, wherein the diameter of a thick pipe connected with the glass fiber reinforced plastic induced air channel main pipe is 800mm.
The pickling workshop process equipment adopting the corrosion-resistant device for the pickling workshop distribution box comprises a steel strip uncoiler, a steel strip clamping and straightening machine and a crop hydraulic shear which are sequentially arranged in a pickling workshop according to the processing sequence of the steel strip; the steel belt clamping and straightening machine is provided with a plurality of groups of paired straightening counter rollers, and the steel belt clamping and straightening machine is used for clamping and conveying the steel belt forwards by the counter rollers and straightening the steel belt;
a pickling tank is arranged in front of the head cutting hydraulic shear, a plurality of groups of spray pipes and wringing rollers which are arranged in pairs up and down are arranged above the pickling tank, the spray pipes and the wringing rollers are arranged at intervals, so that the spray pickling and wringing of the steel strip are alternately carried out for a plurality of times, the oxide layer on the surface of the steel strip is removed, and then the redundant acid liquor is wrung out; a rinsing tank is arranged in front of the pickling tank, a plurality of groups of water spray pipes and squeezing rollers are arranged above the rinsing tank, the water spray pipes are arranged in pairs up and down, and the squeezing rollers are arranged in pairs up and down, so that water spray cleaning and squeezing of the steel belt are alternately performed for a plurality of times, acidic liquid is washed off, and redundant water is squeezed;
the front of the floating washing tank is provided with a steel belt centering device, a hot air dryer and a pinch roll which are sequentially arranged, and the steel belt centering device prevents the steel belt from deviating; a circle shear, a scrap shear and a tension roll are arranged in front of the pinch roll in sequence, the circle shear shears off the edge defects of the steel strip, and the scrap shear shears off the sheared scrap into small sections of steel strips; and finally, installing a coiling machine, and re-coiling the steel strip.
The pickling workshop process equipment is characterized in that a loop pit is arranged between the pinch roll and the circle shear and is used for buffering the steel belt.
The process equipment of the pickling workshop is characterized in that a conveying belt is arranged at the bottom of a head-cutting hydraulic shear, a waste trolley is arranged on the conveying belt, and sheared waste is collected; the bottom of the scrap shears is provided with a conveying belt, a scrap trolley is arranged on the conveying belt, and the sheared scrap is collected.
The beneficial effects of the utility model are as follows: an air suction device (namely a stainless steel exhaust fan) is added in an electric cabinet of the pickling workshop, air in a power distribution room is fed into the electric cabinet of the pickling workshop, corrosion of electric elements caused by the fact that acid steam in the pickling workshop enters the field electric cabinet is prevented, the service life of the electric cabinet is prolonged, and fault shutdown time is reduced.
Drawings
Fig. 1 is a schematic structural view of the present utility model. FIG. 2 is a schematic diagram of the process equipment in the pickling plant.
In the figure, a pickling power distribution room 1, a pickling workshop 2, a power distribution cabinet 3, an exhaust duct 4, an air outlet 5, an electric cabinet 6, a glass fiber reinforced plastic induced duct 7, an exhaust fan 8, a thick pipe 9 and a thin pipe 10.
A coiler 11, a tension roller 12; scrap shears 13, circle shears 14, pinch rolls 15; a hot air dryer 16, a steel belt centering device 17, a squeezing roller 18, a scrap trolley 19, a loop 20, a rinsing tank 21, a pickling tank 22 and a head cutting hydraulic shear 23; the steel belt clamping and straightening machine 24, the steel belt uncoiler 25, the spray pipe 26 and the spray pipe 27.
Detailed Description
The drawings illustrate one embodiment of the utility model.
The utility model relates to an anti-corrosion device for a distribution box of an acid washing workshop, which comprises a glass fiber reinforced plastic induced duct main pipe 7, wherein one side of the glass fiber reinforced plastic induced duct main pipe is connected with a plurality of sections of thick pipes 9, and the other side of the glass fiber reinforced plastic induced duct main pipe is connected with a plurality of sections of thin pipes 10; 2-3 holes are formed in the wall between the pickling power distribution room 1 and the pickling workshop 2, a thick pipe 9 with the diameter of 800mm is arranged in each hole, and a glass fiber reinforced plastic induced air channel main pipe 7 is connected with an exhaust duct 4 in the power distribution room through the thick pipe; the exhaust duct is provided with a plurality of branch pipes which are respectively connected with a plurality of power distribution cabinets in the power distribution room, and is provided with an air inlet and an air outlet; a sealed stainless steel exhaust fan 8 (for slowing down acid corrosion) is arranged on the outer shell of the workshop electric cabinet 6 in an opening mode, and the exhaust fan is connected with a tubule of the glass fiber reinforced plastic induced air channel main pipe 7; the glass fiber reinforced plastic induced air duct main pipe 7 (acid corrosion prevention) is used for connecting the electric cabinet 6 in a workshop with the exhaust duct 4 in the power distribution room, the exhaust fan is used for pumping clean air in the power distribution room 1 into the on-site electric cabinet 6 through the glass fiber reinforced plastic induced air duct main pipe 7, the air forms outward force after entering the electric cabinet, acid vapor is repelled outside, and the clean air can also take away a part of heat for electric elements in the electric cabinet of the workshop, so that the service life of the electric elements is prolonged.
The corrosion-resistant device for the distribution box of the pickling workshop comprises a glass fiber reinforced plastic induced air channel main pipe, wherein the diameter of a thick pipe connected with the glass fiber reinforced plastic induced air channel main pipe is 800mm.
The pickling workshop process equipment adopting the corrosion-resistant device of the pickling workshop distribution box comprises a steel strip uncoiler 25 (used for uncoiling a steel strip coil), a steel strip clamping and straightening machine 24 (provided with a plurality of groups of paired straightening rollers used for clamping and conveying and straightening the steel strip forwards by the rollers), and a head-cutting hydraulic shear 23 (used for shearing off the part with the irregular end part of the steel strip) which are sequentially arranged according to the processing sequence of the steel strip; a pickling tank 22 is arranged in front of the head cutting hydraulic shear, a plurality of groups of spray pipes 26 and wringing rollers 18 which are arranged in pairs up and down are arranged above the pickling tank, the spray pipes and the wringing rollers are arranged at intervals, so that spray pickling and wringing of the steel strip are alternately performed for a plurality of times, oxide layers on the surface of the steel strip are removed, and then redundant acid liquor is wrung out; the front of the pickling tank is provided with a rinsing tank 21, a plurality of groups of water spraying pipes 27 and squeezing rollers 18 are arranged above the rinsing tank, the water spraying pipes are arranged up and down in pairs, and the squeezing rollers are arranged up and down in pairs, so that the water spraying cleaning and squeezing of the steel belt are alternately performed for a plurality of times, acidic liquid is washed off, and redundant water is squeezed.
A steel belt centering device 17 (preventing the steel belt from deviating), a hot air dryer 16 (used for drying the steel belt) and a pinch roll 15 (used for conveying the steel belt forwards) which are arranged in sequence are arranged in front of the floating washing tank; a circle shear 14 (for shearing off the defects and irregular burrs of the steel belt), a scrap shear 13 (for shearing off the burrs of the steel belt) and a tension roller 12 (for tensioning the steel belt) which are sequentially arranged in front of the pinch roller; finally, a coiler 11 is installed to rewind the strip.
The edge shearing equipment of the strip steel pickling line adopts a circle shear and a scrap shear, the edge defects of the strip steel are sheared off by the circle shear, the scrap sheared by the circle shear is sheared into small sections of steel strips with the length of about 200mm by the scrap shear, and the small steel strips are transported into a waste hopper by a transportation belt so as to be convenient for recycling.
A loop pit is arranged between the pinch roll and the circle shear for buffering the steel belt.
The bottom of the head cutting hydraulic shear is provided with a conveying belt, a waste trolley 19 is arranged on the conveying belt, and sheared waste is collected. The bottom of the scrap cutter is provided with a conveying belt, and the conveying belt is provided with a scrap trolley 19.
Each action part of the pickling workshop process equipment is controlled by an electric cabinet.
The basic flow of pickling is as follows: winding a steel coil, uncoiling an inlet, penetrating a steel belt, straightening the steel belt by nine rollers, flushing a 1-8 squeezing roller of a trough, 9-15 squeezing rollers of a rinsing trough, a drying fan, a 1-pinch roller, a loop pit (buffer function), a 2-pinch roller, a CPC centering device, a circle shear (edge shearing), three-roller tension, an EPC edge alignment device and coiling at an outlet.
Claims (2)
1. An erosion prevention device for a distribution box of an acid washing workshop, which is characterized in that: the glass fiber reinforced plastic induced duct main pipe comprises a plurality of sections of thick pipes connected to one side of the glass fiber reinforced plastic induced duct main pipe and a plurality of sections of thin pipes connected to the other side of the glass fiber reinforced plastic induced duct main pipe, the thick pipes and the thin pipes are made of glass fiber reinforced plastic and all have acid corrosion resistance; 2-3 holes are formed in the wall between the pickling power distribution room and the pickling workshop, a rough pipe is arranged in each hole, and a glass fiber reinforced plastic induced air channel main pipe is connected with an exhaust channel in the pickling power distribution room through the rough pipe; the exhaust duct is provided with a plurality of branch pipes which are respectively connected with a plurality of power distribution cabinets in the power distribution room, and is provided with an air inlet and an air outlet; a sealed stainless steel exhaust fan is arranged on an electric cabinet shell of the pickling workshop in an opening way, the exhaust fan can slow down acid corrosion, and the exhaust fan is connected with a tubule of a main pipe of the glass fiber reinforced plastic induced draft duct; and connecting an electric cabinet in the workshop with an exhaust duct in the power distribution room by using a glass fiber reinforced plastic induced air duct main pipe.
2. The pickling plant block terminal corrosion protection device of claim 1, wherein: the diameter of the thick pipe connected with the main pipe of the glass fiber reinforced plastic induced air channel is 800mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222590043.2U CN218925609U (en) | 2022-09-29 | 2022-09-29 | Corrosion-resistant device for distribution box of pickling workshop |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222590043.2U CN218925609U (en) | 2022-09-29 | 2022-09-29 | Corrosion-resistant device for distribution box of pickling workshop |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218925609U true CN218925609U (en) | 2023-04-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222590043.2U Active CN218925609U (en) | 2022-09-29 | 2022-09-29 | Corrosion-resistant device for distribution box of pickling workshop |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218925609U (en) |
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2022
- 2022-09-29 CN CN202222590043.2U patent/CN218925609U/en active Active
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