CN106180219A - A kind of anacidity de-scaling produces supporting dedusting and cleaning plant - Google Patents

A kind of anacidity de-scaling produces supporting dedusting and cleaning plant Download PDF

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Publication number
CN106180219A
CN106180219A CN201610829655.9A CN201610829655A CN106180219A CN 106180219 A CN106180219 A CN 106180219A CN 201610829655 A CN201610829655 A CN 201610829655A CN 106180219 A CN106180219 A CN 106180219A
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China
Prior art keywords
scaling
dedusting
drying
anacidity
nozzle
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CN201610829655.9A
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Chinese (zh)
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CN106180219B (en
Inventor
王尚
杨荃
任云鹤
单忠德
王晓晨
冯洁
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University of Science and Technology Beijing USTB
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University of Science and Technology Beijing USTB
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21BROLLING OF METAL
    • B21B45/00Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B45/04Devices 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
    • B21B45/06Devices 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 of strip material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21BROLLING OF METAL
    • B21B45/00Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B45/02Devices 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 lubricating, cooling, or cleaning
    • B21B45/0269Cleaning
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21BROLLING OF METAL
    • B21B45/00Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B45/02Devices 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 lubricating, cooling, or cleaning
    • B21B45/0269Cleaning
    • B21B45/0275Cleaning devices

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Drying Of Solid Materials (AREA)

Abstract

The present invention principally falls into anacidity descaling device technical field, is specifically related to a kind of anacidity de-scaling and produces supporting dedusting and cleaning plant.Described device include a De-scaling box, a frequency conversion fan, a dust cleaning case, a diverter, one for the purging unit that strip steel upper and lower surface is cleared up, one for the drying baker that strip steel upper and lower surface is dried, an on-line checking and control unit;The air suction dust cleaning case that described frequency conversion fan will contain dust in De-scaling box carries out dedusting, and then the air after dedusting is introduced purging unit and drying baker via diverter, purging unit and drying baker are respectively completed cleaning and the drying of belt steel surface.Device of the present invention, it is achieved that dedusting, the centralized management cleaning, drying, after being effectively utilized dedusting, the kinetic energy of gas is cleared up and is dried, and while removing dust pollution, improves belt steel surface cleanliness factor, decreases business equipment investment and energy consumption.

Description

A kind of anacidity de-scaling produces supporting dedusting and cleaning plant
Technical field
The present invention principally falls into anacidity descaling device technical field, be specifically related to a kind of anacidity de-scaling produce supporting dedusting with Cleaning plant.
Background technology
After hot rolling, belt steel surface has one layer of fine and close iron scale (being commonly called as squama layer), and the cleaning of oxide layer is cold rolling or zinc-plated Must obligato operation etc. one before technique.
Traditional belt steel surface descaling process is mainly pickling.Pickling is that acid solution occurs chemistry anti-with belt steel surface oxide layer The method that should rust deposite, firecoat be removed, utilization is the respond of chemical drugs.But there is seriously polluted, work in pickling Bad environments, Modulatory character are poor, have certain corrosive problem to equipment.
Compared with tradition pickling line, non-acid wash descaling process based on ball blast Yu water jet has the advantage that green nothing Pollute, ball blast all can be recycled with water, processing speed is fast, production line is short, without thermal deformation, surface roughness is adjustable, removable Surface non-metallic inclusion etc..
But major defect of based on ball blast Yu the non-acid wash descaling process of water jet is that energy consumption is higher, it is dirty to there is dust Also need belt steel surface is dried after dye and water jet treatment.Therefore, non-acid wash descaling process based on ball blast Yu water jet Needing additional configuration dedusting on production line, purge and dry three groups of equipment, the initial stage adding enterprise puts into and ton steel processing cost, Constrain the market application of technology of acidless scale removal.
Summary of the invention
For the problems referred to above, the present invention provides a kind of anacidity de-scaling to produce supporting dedusting and cleaning plant.The present invention is logical Cross what techniques below scheme realized:
A kind of anacidity de-scaling produces supporting dedusting and cleaning plant, and described device includes a De-scaling box, a frequency conversion fan, a dedusting Case, a diverter, one for the purging unit that strip steel upper and lower surface is cleared up, one for strip steel upper and lower surface is dried Dry drying baker, an on-line checking and control unit;Described frequency conversion fan will contain the air suction dedusting of dust in De-scaling box Case carries out dedusting, and then the air after dedusting is introduced purging unit and drying baker via diverter, in purging unit and baking Dry case is respectively completed cleaning and the drying of belt steel surface;Described on-line checking is examined for the online of described device with control unit Survey and control.
Further, described De-scaling box is connected with described dust cleaning case via pipeline, described dust cleaning case via pipeline with described Frequency conversion fan is connected, and described frequency conversion fan is connected via the input of described pipeline with described diverter, described diverter defeated Going out end and be divided into two-way, a road is connected with described purging unit via pipeline, another road successively via pipeline and resistance heater with Described drying baker is connected.
Further, described purging unit is positioned at the outlet side of described De-scaling box, and described purging unit includes being positioned at strip steel Upside upper purge nozzle and be positioned at the lower purge nozzle on the downside of strip steel, described upper purge nozzle and the work of described lower purge nozzle Making angle, θ the most adjustable, described upper purge nozzle and described lower purge nozzle are all connected with control unit with described on-line checking.
Further, water jet case is positioned at the outlet side of described purging unit, and described drying baker is positioned at described water jet case Outlet side, is provided with the upper drying nozzle being positioned on the upside of strip steel and is positioned at the lower drying nozzle on the downside of strip steel, institute in described drying baker Operating angle α stating drying nozzle and described lower drying nozzle is the most adjustable, described upper drying nozzle and described lower drying nozzle It is connected with control unit with described on-line checking.
Further, described diverter is provided with flow regulator, and it is defeated that described flow regulator is used for regulating diverter Going out the gas flow in the pipeline of end, described flow regulator is connected with control unit with described on-line checking.
Further, described frequency conversion fan is connected with control unit with described on-line checking.
Further, described De-scaling box, described dust cleaning case and described diverter are respectively equipped with the first pressure transducer, Two pressure transducers and the 3rd pressure transducer, described first pressure transducer, the second pressure transducer and the 3rd pressure pass Sensor is all connected with control unit with described on-line checking.
Further, in described drying baker, it is provided with resistance heater, for heating the air in described drying baker, described electricity Resistance heater is connected with control unit with described on-line checking, is additionally provided with relief valve in described drying baker.
Further, the humidity of strip steel upper and lower surface is detected with cleanliness factor by on-line checking with control unit, and complete Frequency conversion fan, flow regulator, operating angle θ of upper purge nozzle, operating angle θ of lower purge nozzle, resistance add in pairs The regulation of operating angle α of hot device, operating angle α of upper drying nozzle and lower drying nozzle.
The Advantageous Effects of the present invention:
A kind of anacidity de-scaling the most of the present invention produces supporting dedusting and cleaning plant, it is achieved that dedusting, the concentration cleaning, drying Management, after being effectively utilized dedusting, the kinetic energy of gas is cleared up and is dried, and while removing dust pollution, improves strip steel table Face cleanliness factor.
A kind of anacidity de-scaling the most of the present invention produces supporting dedusting and cleaning plant, safety and stability, and controllability is strong, green Pollution-free, decrease business equipment investment and energy consumption.
Accompanying drawing explanation
Fig. 1 is the structural representation that the present invention a kind of anacidity de-scaling produces supporting dedusting and cleaning plant.
Fig. 2 is the purging cell schematics that the present invention a kind of anacidity de-scaling produces supporting dedusting and cleaning plant.
Fig. 3 is the purging unit nozzle angle adjustment that the present invention a kind of anacidity de-scaling produces supporting dedusting and cleaning plant Schematic diagram.
Fig. 4 is the drying baker fundamental diagram that the present invention a kind of anacidity de-scaling produces supporting dedusting and cleaning plant.
Fig. 5 is the drying nozzle adjustment schematic diagram that the present invention a kind of anacidity de-scaling produces supporting dedusting and cleaning plant.
Fig. 6 is the fluid operating schematic diagram that the present invention a kind of anacidity de-scaling produces supporting dedusting and cleaning plant.
Fig. 7 is that in conventional art, anacidity de-scaling produces fluid operating schematic diagram.
Reference: 1. purge under De-scaling box, 2. the first pressure transducer, 3. purging unit, the upper purge nozzle of 3a., 3b. Nozzle, 4. water jet case, 5. drying baker, 6. strip steel, 7. pipeline, 8. flow regulator, 9. relief valve, 10. diverter, 11. Dry under nozzle, 15b. on 3rd pressure transducer, 12. frequency conversion fans, 13. dust cleaning cases, 14. second pressure transducers, 15a. Dry nozzle, 16. resistance heaters, 17. on-line checking and control unit.
Detailed description of the invention
In order to make the purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, right The present invention is explained in further detail.Should be appreciated that specific embodiment described herein is used only for explaining the present invention, and It is not used in the restriction present invention.
On the contrary, the present invention contain any be defined by the claims the replacement done in the spirit and scope of the present invention, repair Change, equivalent method and scheme.Further, in order to make the public that the present invention to be had a better understanding, thin to the present invention below During joint describes, detailed describe some specific detail sections.There is no these detail sections for a person skilled in the art Description can also understand the present invention completely.
Embodiment 1
A kind of anacidity de-scaling produces supporting dedusting and cleaning plant, and as Figure 1-Figure 5, described device includes a De-scaling box 1, Frequency conversion fan 12, one dust cleaning case 13, diverter 10, one is for the purging unit 3, clearing up strip steel 6 upper and lower surface For drying baker 5, on-line checking that strip steel 6 upper and lower surface is dried and control unit 17;Described frequency conversion fan 12 will De-scaling box 1 carries out dedusting containing in the air suction dust cleaning case 13 of dust, and then by the air after dedusting via diverter 10 Introduce purging unit 3 and drying baker 5, purging unit 3 and drying baker 5 are respectively completed cleaning and the drying of belt steel surface;Institute State on-line checking and control unit 17 for the on-line checking of described device and control.
Described De-scaling box 1 is connected with described dust cleaning case 13 via pipeline 7, and described dust cleaning case 13 is via pipeline 7 and described change Frequently blower fan 12 is connected, and described frequency conversion fan 12 is connected via the input of described pipeline 7 with described diverter 10, described diverter The outfan of 10 is divided into two-way, and a road is connected with described purging unit 3 via pipeline 7, and another road is successively via pipeline 7 and resistance Heater 16 is connected with described drying baker 5.
Described purging unit 3 is positioned at the outlet side of described De-scaling box 1, and described purging unit 3 includes being positioned on the upside of strip steel 6 Upper purge nozzle 3a and be positioned at lower purge nozzle 3b on the downside of strip steel 6, described upper purge nozzle 3a and described lower purge nozzle 3b Operating angle θ the most adjustable, described upper purge nozzle 3a and described lower purge nozzle 3b all with described on-line checking with control single Unit 17 connects.
Described water jet case 4 is positioned at the outlet side of described purging unit 3, and described drying baker 5 is positioned at described water jet case 4 and goes out Mouth side, is provided with the upper drying nozzle 15a being positioned on the upside of strip steel 6 and is positioned at the lower drying nozzle on the downside of strip steel 6 in described drying baker 5 15b, operating angle α of described upper drying nozzle 15a and described lower drying nozzle 15b is the most adjustable, described upper drying nozzle 15a and Described lower drying nozzle 15b is connected with control unit 17 with described on-line checking.
Described diverter 10 is provided with flow regulator 8, and described flow regulator 8 is used for regulating diverter 10 outfan Pipeline 7 in gas flow, described flow regulator 8 is connected with control unit 17 with described on-line checking.
Described frequency conversion fan 12 is connected with control unit 17 with described on-line checking.
Described De-scaling box 1, described dust cleaning case 13 and described diverter 10 are respectively equipped with the first pressure transducer 2, second Pressure transducer 14 and the 3rd pressure transducer 11, described first pressure transducer the 2, second pressure transducer 14 and the 3rd pressure Strong sensor 11 is all connected with control unit 17 with described on-line checking.
Being provided with resistance heater 16 in described drying baker 5, for heating the air in described drying baker 5, described resistance adds Hot device 16 is connected with control unit 17 with described on-line checking, is additionally provided with relief valve 9 in described drying baker 5.
The humidity of strip steel 6 upper and lower surface is detected with cleanliness factor by on-line checking with control unit 17, and completes change Frequently blower fan 12, flow regulator 8, operating angle θ of upper purge nozzle, operating angle θ of lower purge nozzle, resistance heating The regulation of operating angle α of device, operating angle α of upper drying nozzle and lower drying nozzle.
Fig. 6 is the fluid operating schematic diagram of described device;Fig. 7 is that in conventional art, anacidity de-scaling production fluid operating is former Reason figure.Compared with conventional art, a kind of anacidity de-scaling of the present invention produces supporting dedusting and cleaning plant, it is achieved that dedusting, The centralized management cleaning, drying, after being effectively utilized dedusting, the kinetic energy of gas is cleared up and is dried, and removes the same of dust pollution Time, improve belt steel surface cleanliness factor;Further, a kind of anacidity de-scaling of the present invention produces supporting dedusting and cleaning plant, peace Complete stable, controllability is strong, green non-pollution, decreases business equipment investment and energy consumption.
Embodiment 2
A kind of anacidity de-scaling produces the using method of supporting dedusting and cleaning plant, device described in Application Example 1, the present embodiment Described method specifically includes following steps:
S1: on-line checking obtains strip steel parameter and de-scaling parameter with control unit;Obtain strip steel parameter to include: strip steel material, band Steel thickness, strip width;De-scaling parameter includes: de-scaling speed, ball blast material, ball blast flow, water jet pressure, water jet stream Amount.
S2: on-line checking and control unit to frequency conversion fan, flow regulator, operating angle θ of upper purge nozzle, under Operating angle θ of purge nozzle, resistance heater, upper drying nozzle operation angle [alpha] carry out pre-with lower drying nozzle operation angle [alpha] Set.
S3: frequency conversion fan starts, and dust cleaning case, purging unit, drying baker are started working.
S4: De-scaling box starts, and water jet case starts.
S5: strip steel sequentially enters De-scaling box, purging unit, water jet case, drying baker.
The belt steel surface strip steel humidity that purging unit outlet, drying baker are exported by S6: on-line checking and control unit is with clean Cleanliness carries out on-line checking, and obtains the first pressure transducer, the second pressure transducer and the 3rd pressure transducer data.
S7: according to belt steel surface detection data and each pressure transducer data, on-line checking and control unit are to frequency conversion wind Machine, flow regulator, operating angle θ of upper purge nozzle, operating angle θ of lower purge nozzle, resistance heater, upper drying Nozzle operation angle [alpha] and lower drying nozzle operation angle [alpha] carry out on-line control, it is achieved closed loop control.
Concrete control mode is:
I: when drying baker outlet belt steel surface humidity meets condition, when De-scaling box exit belt steel surface cleanliness factor is low, adjust stream Quantity regulating device, reduces diverter and transfers to the gas flow of drying baker, i.e. increase upper and lower two purge nozzle flows;On reducing simultaneously Operating angle θ of lower two purge nozzle.
Ii: when De-scaling box outlet belt steel surface cleanliness factor meets condition, when drying baker exit belt steel surface humidity is bigger, Adjust flow regulator, increase diverter and transfer to the gas flow of drying baker, and increase resistance heater power simultaneously, reduce Dry nozzle operation angle [alpha] for upper and lower two groups.
Iii: belt steel surface cleanliness factor is low when De-scaling box exit, and when drying baker exit belt steel surface humidity is bigger, Increase the power of frequency conversion fan, continue to be adjusted according to i with ii.

Claims (9)

1. an anacidity de-scaling produces supporting dedusting and cleaning plant, it is characterised in that described device include a De-scaling box (1), One frequency conversion fan (12), a dust cleaning case (13), a diverter (10), one for blowing that strip steel (6) upper and lower surface is cleared up Sweep unit (3), one for drying baker (5), an on-line checking and control unit that strip steel (6) upper and lower surface is dried (17);Air suction dust cleaning case (13) that described frequency conversion fan (12) will contain dust in De-scaling box (1) carries out dedusting, and then Air after dedusting is introduced purging unit (3) and drying baker (5) via diverter (10), at purging unit (3) and drying baker (5) cleaning and the drying of belt steel surface it are respectively completed in;Described on-line checking and control unit (17) for described device Line Detection & Controling.
2. produce supporting dedusting and cleaning plant according to a kind of anacidity de-scaling described in claim 1, it is characterised in that described De-scaling box (1) is connected with described dust cleaning case (13) via pipeline (7), and described dust cleaning case (13) is via pipeline (7) and described frequency conversion Blower fan (12) is connected, and described frequency conversion fan (12) is connected via the input of described pipeline (7) with described diverter (10), described The outfan of diverter (10) is divided into two-way, and a road is connected with described purging unit (3) via pipeline (7), another road warp successively It is connected with described drying baker (5) by pipeline (7) and resistance heater (16).
3. produce supporting dedusting and cleaning plant according to a kind of anacidity de-scaling described in claim 1, it is characterised in that described Purging unit (3) is positioned at the outlet side of described De-scaling box (1), described purging unit (3) include being positioned at strip steel (6) upside on blow Sweep nozzle (3a) and be positioned at the lower purge nozzle (3b) of strip steel (6) downside, described upper purge nozzle (3a) and described lower purging spray Operating angle θ of mouth (3b) is the most adjustable, described upper purge nozzle (3a) and described lower purge nozzle (3b) all with described online inspection Survey and be connected with control unit (17).
4. produce supporting dedusting and cleaning plant according to a kind of anacidity de-scaling described in claim 3, it is characterised in that water-jet Stream case (4) is positioned at the outlet side of described purging unit (3), and described drying baker (5) is positioned at described water jet case (4) outlet side, institute State and drying baker (5) is provided with the upper drying nozzle (15a) being positioned at strip steel (6) upside and the lower drying spray being positioned at strip steel (6) downside Mouth (15b), operating angle α of described upper drying nozzle (15a) and described lower drying nozzle (15b) is the most adjustable, described upper drying Nozzle (15a) and described lower drying nozzle (15b) are connected with control unit (17) with described on-line checking.
A kind of anacidity de-scaling the most according to claim 2 produces supporting dedusting and cleaning plant, it is characterised in that described Diverter (10) is provided with flow regulator (8), and described flow regulator (8) is used for regulating the pipe of diverter (10) outfan Gas flow in road (7), described flow regulator (8) is connected with control unit (17) with described on-line checking.
A kind of anacidity de-scaling the most according to claim 1 produces supporting dedusting and cleaning plant, it is characterised in that described Frequency conversion fan (12) is connected with control unit (17) with described on-line checking.
7. produce supporting dedusting and cleaning plant according to a kind of anacidity de-scaling described in claim 1, it is characterised in that described De-scaling box (1), described dust cleaning case (13) and described diverter (10) are respectively equipped with the first pressure transducer (2), the second pressure Sensor (14) and the 3rd pressure transducer (11), described first pressure transducer (2), the second pressure transducer (14) and Three pressure transducers (11) are all connected with control unit (17) with described on-line checking.
8. produce supporting dedusting and cleaning plant according to a kind of anacidity de-scaling described in claim 1, it is characterised in that described It is provided with resistance heater (16) in drying baker (5), is used for heating the air in described drying baker (5), described resistance heater (16) it is connected with control unit (17) with described on-line checking, in described drying baker (5), is additionally provided with relief valve (9).
9. produce supporting dedusting and cleaning plant according to a kind of anacidity de-scaling one of claim 1-8 Suo Shu, it is characterised in that The humidity of strip steel (6) upper and lower surface is detected with cleanliness factor by on-line checking with control unit (17), and completes frequency conversion wind Machine (12), flow regulator (8), operating angle θ of upper purge nozzle, operating angle θ of lower purge nozzle, resistance heat The regulation of operating angle α of device, operating angle α of upper drying nozzle and lower drying nozzle.
CN201610829655.9A 2016-09-18 2016-09-18 A kind of anacidity de-scaling produces mating dedusting and cleaning plant Active CN106180219B (en)

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Cited By (2)

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CN110639954A (en) * 2019-09-25 2020-01-03 武汉钢铁有限公司 Hot rolling and finish rolling device capable of efficiently collecting dust and dust collecting method
CN116532478A (en) * 2023-07-04 2023-08-04 中国重型机械研究院股份公司 Stainless steel plate rolling device

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CN110639954A (en) * 2019-09-25 2020-01-03 武汉钢铁有限公司 Hot rolling and finish rolling device capable of efficiently collecting dust and dust collecting method
CN116532478A (en) * 2023-07-04 2023-08-04 中国重型机械研究院股份公司 Stainless steel plate rolling device
CN116532478B (en) * 2023-07-04 2023-10-20 中国重型机械研究院股份公司 Stainless steel plate rolling device

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