CN113957449A - Production line fault aluminum plate accident water cleaning method and system - Google Patents
Production line fault aluminum plate accident water cleaning method and system Download PDFInfo
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- CN113957449A CN113957449A CN202111125519.9A CN202111125519A CN113957449A CN 113957449 A CN113957449 A CN 113957449A CN 202111125519 A CN202111125519 A CN 202111125519A CN 113957449 A CN113957449 A CN 113957449A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 303
- 238000000034 method Methods 0.000 title claims abstract description 124
- 238000004140 cleaning Methods 0.000 title claims abstract description 94
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 44
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 34
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 34
- 238000005406 washing Methods 0.000 claims abstract description 174
- 238000002161 passivation Methods 0.000 claims abstract description 83
- 239000003513 alkali Substances 0.000 claims abstract description 50
- 239000002253 acid Substances 0.000 claims abstract description 32
- 238000011010 flushing procedure Methods 0.000 claims abstract description 21
- 238000005554 pickling Methods 0.000 claims description 54
- 239000007788 liquid Substances 0.000 claims description 50
- 239000002351 wastewater Substances 0.000 claims description 42
- 239000007921 spray Substances 0.000 claims description 35
- 238000005507 spraying Methods 0.000 claims description 8
- 238000011033 desalting Methods 0.000 claims 3
- 230000007257 malfunction Effects 0.000 claims 1
- 229910000838 Al alloy Inorganic materials 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 3
- 241000521257 Hydrops Species 0.000 description 2
- 206010030113 Oedema Diseases 0.000 description 2
- 239000002585 base Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G3/00—Apparatus for cleaning or pickling metallic material
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C22/73—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals characterised by the process
- C23C22/77—Controlling or regulating of the coating process
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C22/78—Pretreatment of the material to be coated
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C22/82—After-treatment
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
- C23G1/02—Cleaning or pickling metallic material with solutions or molten salts with acid solutions
- C23G1/12—Light metals
- C23G1/125—Light metals aluminium
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
- C23G1/14—Cleaning or pickling metallic material with solutions or molten salts with alkaline solutions
- C23G1/22—Light metals
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
- C23G1/36—Regeneration of waste pickling liquors
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- Chemical & Material Sciences (AREA)
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- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
Abstract
The invention relates to the technical field of cleaning of aluminum alloy plates in a production line, in particular to a method for cleaning aluminum plate with a fault in the production line by using accident water, which comprises the following steps: cleaning an acid washing process section, cleaning an alkali washing process section and cleaning a passivation process section; when the production line is shut down due to an accident, firstly, the accident water conveying device sequentially conveys desalted water stored in a desalted water tank to each process section for cleaning through a pipeline according to the accident water supply sequence of the acid washing process section, the passivation process section and the alkali washing process section; the automatic control switch with feedback and the control center for controlling the automatic control switch are matched to complete the switching among the cleaning processes of each process section, an independent emergency water tank, an independent emergency water conveying pipe network and an independent emergency water cleaning pipeline at the position of the squeezing roller are configured, and meanwhile, a full-automatic control system is adopted, so that the automatic control system has a pressure flow feedback control function and has the characteristics of more stable flushing pressure, a more mature control system, more accurate switching process, working efficiency and the like.
Description
Technical Field
The invention relates to the technical field of cleaning of aluminum alloy plates in a production line, in particular to an accident water cleaning method and system for aluminum plates with faults in the production line.
Background
The aluminum plate cleaning accident water process is mainly used for timely cleaning acid-base liquid remained on the surface of an aluminum plate and in a spray pipe when an automobile aluminum alloy plate cleaning line stops operating due to an accident, and the aluminum plate is prevented from being etched by the high-concentration acid-base liquid on the surface of the aluminum plate, so that a broken belt is generated.
The traditional accident water washing process cannot realize automatic control, and often directly introduces a desalted water pipeline of a plant area as the washing of accident water, the accident water pressure of a spray pipe cannot be controlled by the scheme, and pressure fluctuation can be caused along with the use condition of desalted water of the whole plant area; and produce the hydrops more easily at wringing roller department aluminum plate slab band, traditional accident water washs often only to set up the regional accident water washing of shower, can't carry out the accident water to wringing roller department aluminum plate slab band and wash.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide the accident water cleaning process method for the aluminum plate with the fault in the production line, and redefines the sequence of the accident water cleaning process so as to achieve the technical effects of more reasonable plate belt accident protection, more stable flushing pressure, more mature automatic control process and more efficient working efficiency.
In order to achieve the purpose, the invention provides the following technical scheme:
the method for cleaning the aluminum plate with the fault in the production line by using the accident water is characterized by comprising the following steps of: the method comprises the following steps: cleaning an acid washing process section, cleaning an alkali washing process section and cleaning a passivation process section;
when the production line is shut down due to an accident, firstly, the accident water conveying device sequentially conveys desalted water stored in a desalted water tank to each process section for cleaning through a pipeline according to the accident water supply sequence of the acid washing process section, the passivation process section and the alkali washing process section;
wherein, the switching among the cleaning processes of each process section is completed by the mutual cooperation of an automatic control switch with feedback and a control center for controlling the automatic control switch.
Wherein, the cleaning steps of the acid cleaning process section are as follows:
when an accident occurs in the production line, a production line accident signal is fed back to the control center, the automatic control switch of the main liquid supply pipeline and the automatic control switch of the liquid return of the circulating box of the pickling process section are controlled to be closed, and meanwhile, the automatic control switches among the passivation process section, the alkali washing process section and the accident water conveying device are closed;
after the automatic control switch of the main liquid supply pipeline and the automatic control switch of the liquid return of the circulating box are closed, a closing feedback signal is output to control the automatic control switch of the waste water box to be opened;
and after the automatic control switch of the waste water tank is turned on, an opening feedback signal is output to control the automatic control switch for supplying desalted water to be turned on, so that the supply of desalted water is finished.
Furthermore, after the desalted water washing is finished, firstly, the desalted water supply automatic control switch is turned off, the turn-off signal of the desalted water supply automatic control switch is fed back to the control center, and the wastewater tank automatic control switch is turned off;
after receiving a closing signal of the automatic control switch of the waste water tank, the automatic control switch of the liquid return of the circulating tank is opened;
and after receiving a feedback signal of opening the automatic control switch of the circulation box, the automatic control switch of the main liquid supply pipeline is opened.
Furthermore, after the cleaning of the accident water of the pickling process section is finished, the automatic control switch between the pickling process section and the accident water conveying device is closed, the automatic control switch between the passivation process section and the accident water conveying device is opened, and the cleaning of the accident water of the passivation process section is finished according to the same flow steps of the cleaning of the accident water of the pickling process section.
After the accident water cleaning of the passivation process section is finished, an automatic control switch between the passivation process section and the accident water conveying device is closed, an automatic control switch between the alkali washing process section and the accident water conveying device is opened, and the accident water cleaning of the alkali washing process section is finished according to the same steps of the accident water cleaning of the acid washing process section.
Specifically, each process section of the acid washing process section, the alkali washing process section and the passivation process section is provided with a spray pipe emergency water flushing pipeline and a squeezing roller emergency water flushing pipeline;
a first automatic control switch is arranged between the accident water washing pipeline of the spraying pipe of the passivation process section and the accident water conveying device, and a sixth automatic control switch is arranged between the accident water washing pipeline of the squeezing roller and the accident water conveying device;
a second automatic control switch is arranged between the accident water washing pipeline of the spraying pipe of the alkali washing process section and the accident water conveying device, and a fifth automatic control switch is arranged between the accident water washing pipeline of the squeezing roller and the accident water conveying device;
and a third automatic control switch is arranged between the spray pipe accident water washing pipeline of the pickling process section and the accident water conveying device, and a fourth automatic control switch is arranged between the squeezing roller accident water washing pipeline and the accident water conveying device.
The utility model provides a production line trouble aluminum plate accident water cleaning system, includes: the device comprises a passivation process pipeline, an acid washing process pipeline and an alkali washing process pipeline, wherein the passivation, acid washing and alkali washing process pipelines respectively further comprise a main liquid supply pipeline, a circulation box and a waste water box, and the device is characterized in that: the passivation process pipeline, the acid washing process pipeline and the alkali washing process pipeline are further provided with a desalted water tank and a corresponding accident water conveying device at the same time;
the main liquid supply pipeline, the circulation box and the waste water box are all provided with corresponding automatic control switches with feedback, and automatic control switches with feedback are also arranged between the emergency water conveying device and the passivation, acid washing and alkali washing process pipelines respectively.
Specifically, the passivation process pipeline, the acid washing process pipeline and the alkali washing process pipeline are further respectively provided with a spray pipe emergency water washing pipeline and a squeezing roller emergency water washing pipeline, and the spray pipe emergency water washing pipeline and the squeezing roller emergency water washing pipeline are both provided with automatic control switches with feedback;
a first automatic control switch is arranged between the spray pipe accident water washing pipeline of the passivation process pipeline and the accident water conveying device, and a sixth automatic control switch is arranged between the squeezing roller accident water washing pipeline and the accident water conveying device;
a second automatic control switch is arranged between the emergency water washing pipeline of the spraying pipe of the alkali washing process pipeline and the emergency water conveying device, and a fifth automatic control switch is arranged between the emergency water washing pipeline of the squeezing roller and the emergency water conveying device;
and a third automatic control switch is arranged between the spray pipe accident water washing pipeline of the pickling process pipeline and the accident water conveying device, and a fourth automatic control switch is arranged between the squeezing roller accident water washing pipeline and the accident water conveying device.
Furthermore, a liquid level feedback device and a desalted water supply automatic control switch are arranged on the desalted water tank, and the volume of the desalted water tank is set to meet the water quantity required by the three-stage accident water cleaning process.
Furthermore, the cleaning system also comprises a control center for controlling an automatic control switch, all the automatic control switches used in the accident water cleaning process adopt quick-opening valves, and the opening and closing time of the valves is controlled between 10 and 20 seconds.
Compared with the prior art, the invention has the following advantages and beneficial effects:
1. the accident water cleaning method for the aluminum plate with the fault in the production line is used for timely cleaning acid-alkali liquor remained on the surface of the aluminum plate and in the spray pipe when the automobile aluminum alloy plate cleaning line stops running due to an accident, so that the aluminum plate is prevented from being etched by the high-concentration acid-alkali liquor on the surface of the aluminum plate, and accordingly strip breakage is caused.
2. Compared with the traditional emergency water process system, the emergency water tank and the emergency water conveying device which are independent are arranged, the emergency water pipeline at the position of the squeezing roller is arranged, and the full-automatic control system is adopted, so that the emergency water process system for the production line fault aluminum plate has the characteristics of more stable flushing pressure, more mature control system, more accurate switching process, more high working efficiency and the like on the premise of meeting the requirement of the emergency water flushing process.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive labor.
FIG. 1 is a process flow diagram of a method for cleaning aluminum plate with production line faults by accident water according to an embodiment of the invention;
FIG. 2 is a schematic structural diagram of an emergency water cleaning system for aluminum plates with faults in a production line according to an embodiment of the invention;
FIG. 3 is a schematic structural diagram of the emergency water delivery device and the desalted water tank according to the embodiment of the invention;
wherein:
1-an emergency water delivery device;
2-a desalted water tank;
21-desalted water supply automatic control switch;
22-liquid level feedback device;
3-acid washing process section;
31-a main acid-washing liquid supply pipeline;
311-automatic control switch of main liquid supply pipeline for pickling;
32-acid washing circulation box;
321-automatic control switch of pickling circulation box;
33-acid washing waste water tank;
331-automatic control switch of pickling waste water tank;
34-pickling spray pipe emergency water flushing pipeline;
341-third automatic control switch;
35-pickling wringing roller accident water flushing pipeline;
351-a fourth automatic control switch;
4-alkali washing process section;
41-alkali washing main liquid supply pipeline;
411-automatic control switch of alkaline washing main liquid supply pipeline,
42-an alkaline washing circulation box;
421-automatic control switch of alkaline washing circulation box;
43-alkaline washing wastewater tank;
431-automatic control switch of alkaline washing wastewater tank;
44-washing the pipeline with alkaline spray pipe accident water;
441-a second automatic control switch;
45-alkaline washing squeezing roller accident water flushing pipeline,
451-fifth automatic control switch;
5-passivation process section;
51-passivating the main supply line;
511-automatic control switch for passivation of main liquid supply pipeline;
52-passivation circulation box;
521-passivation circulation box automatic control switch;
53-passivating the wastewater tank;
531-automatic control switch of passivation waste water tank;
54-passivating the shower pipe accident water flushing pipeline;
541-a first automatic control switch;
55-passivating the squeeze roller accident water flushing pipeline;
551-sixth automatic control switch.
Detailed Description
The following detailed description of the embodiments of the present invention with reference to the drawings and specific examples is provided for further understanding the objects, aspects and effects of the present invention, but not for limiting the scope of the appended claims.
Where certain terms are used in the specification and following claims to refer to particular components or features, those skilled in the art will understand that various terms or numbers may be used by a skilled user or manufacturer to refer to the same component or feature. This specification and the claims that follow do not intend to distinguish between components or features that differ in name but not function. In the following description and in the claims, the terms "include" and "comprise" are used in an open-ended fashion, and thus should be interpreted to mean "include, but not limited to. In addition, the term "connected" is intended to encompass any direct or indirect electrical connection. Indirect electrical connection means include connection by other means.
It should be noted that in the description of the present invention, the terms "lateral", "longitudinal", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and "about", or "approximately", "substantially", "left" and "right", etc. indicate the orientation or positional relationship or parameters, etc. based on the orientation or positional relationship shown in the drawings, which are only for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, a specific size or be constructed and operated in a specific orientation, and thus, the present invention is not to be construed as being limited thereto.
As shown in fig. 1 to 3, the embodiment provides a method for cleaning a failed aluminum plate in a production line by accident water, which comprises the following steps: cleaning of an acid washing process section 3, cleaning of an alkali washing process section 4 and cleaning of a passivation process section 5;
when the production line is shut down due to an accident, according to the corrosivity of liquid in each part in the cleaning process, the accident water conveying device 1 sequentially conveys the desalted water stored in the desalted water tank 2 to each process section for cleaning through a pipeline according to the accident water supply sequence of the acid cleaning process section 3, the passivation process section 5 and the alkali cleaning process section 4, and the accident water washing time of each part is controlled to be 30s-1 min; wherein, the switching among the cleaning processes of each process section is completed by the mutual cooperation of an automatic control switch with feedback and a control center for controlling the automatic control switch.
Specifically, the pickling process section 3 is provided with a pickling spray pipe accident water washing pipeline 34 and a pickling wringing roller accident water washing pipeline 35; the alkali washing process section 4 is provided with an alkali washing spray pipe accident water washing pipeline 44 and an alkali washing wringing roller accident water washing pipeline 45; the passivation process section 5 is provided with a passivation spray pipe emergency water flushing pipeline 54 and a passivation wringing roller emergency water flushing pipeline 55.
Wherein, a first automatic control switch 541 is arranged between the passivation spray pipe accident water washing pipeline 54 of the passivation process section 5 and the accident water conveying device 1, and a sixth automatic control switch 551 is arranged between the passivation wringing roller accident water washing pipeline 55 and the accident water conveying device 1;
a second automatic control switch 441 is arranged between the alkaline washing spray pipe emergency water washing pipeline 44 of the alkaline washing process section 4 and the emergency water conveying device 1, and a fifth automatic control switch 451 is arranged between the alkaline washing wringing roller emergency water washing pipeline 45 and the emergency water conveying device 1;
a third automatic control switch 341 is arranged between the pickling spraying pipe accident water washing pipeline 34 of the pickling process section 3 and the accident water conveying device 1, and a fourth automatic control switch 351 is arranged between the pickling squeezing roller accident water washing pipeline 35 and the accident water conveying device 1.
Wherein, the cleaning steps of the acid cleaning process section 3 are as follows:
when the production line has an accident, the production line accident signal is fed back to the control center to control the pickling main liquid supply pipeline automatic control switch 311 of the pickling main liquid supply pipeline 31 of the pickling process section 3 and the pickling circulation box automatic control switch 321 of the pickling circulation box 32 to return liquid to be closed, simultaneously, the automatic control switches between the passivation process section 5, the alkali washing process section 4 and the accident water conveying device 1 are closed, specifically, a second automatic control switch 441 between the alkali washing spray pipe accident water washing pipeline 44 and the accident water conveying device 1, a fifth automatic control switch 451 between the alkali washing wringing roller accident water washing pipeline 45 and the accident water conveying device 1, a first automatic control switch 541 between the passivation spray pipe accident water washing pipeline 54 and the accident water conveying device 1, and a sixth automatic control switch 551 between the passivation wringing roller accident water washing pipeline 55 and the accident water conveying device 1;
after the pickling main liquid supply pipeline automatic control switch 311 of the pickling main liquid supply pipeline 31 and the pickling circulation box automatic control switch 321 of the pickling circulation box 32 return liquid are closed, outputting a closing feedback signal to control the pickling waste water box automatic control switch 331 of the pickling waste water box 33 to be opened;
and after the pickling waste water tank automatic control switch 331 of the pickling waste water tank 33 is turned on, outputting an opening feedback signal to control the desalted water supply automatic control switch 21 to be turned on, so that the desalted water supply is finished.
Further, after the desalted water washing is finished, firstly, the desalted water supply automatic control switch 21 is turned off, the turn-off signal of the desalted water supply automatic control switch 21 is fed back to the control center, and the pickling waste water tank automatic control switch 331 of the pickling waste water tank 33 is turned off;
after receiving a signal for turning off the automatic control switch 331 of the pickling waste water tank 33, the automatic control switch 321 of the pickling circulation tank 32 is turned on;
after receiving the feedback signal of the opening of the pickling circulation box automatic control switch 321, the pickling main liquid supply pipeline automatic control switch 311 is opened.
After the cleaning of the accident water of the pickling process section 3 is finished, an automatic control switch between the pickling process section 3 and the accident water conveying device 1 is closed, an automatic control switch between the passivation process section 5 and the accident water conveying device 1 is opened, and the cleaning of the accident water of the passivation process section 5 is finished according to the same flow steps of the cleaning of the accident water of the pickling process section 3, and the specific steps are as follows:
when the production line has an accident, the production line accident signal is fed back to the control center, the passivation main liquid supply pipeline automatic control switch 511 of the passivation main liquid supply pipeline 51 of the passivation process section 5 and the passivation circulating box automatic control switch 521 of the passivation circulating box 52 return liquid are controlled to be closed, simultaneously, the automatic control switches between the pickling process section 3, the alkaline washing process section 4 and the accident water conveying device 1 are closed, specifically, a third automatic control switch 341 between the pickling spray pipe accident water washing pipeline 34 and the accident water conveying device 1, a fourth automatic control switch 351 between the pickling wringing roller accident water washing pipeline 35 and the accident water conveying device 1, a second automatic control switch 441 between the alkaline washing spray pipe accident water washing pipeline 44 and the accident water conveying device 1, and a fifth automatic control switch 451 between the passivation wringing roller accident water washing pipeline 45 and the accident water conveying device 1;
after the passivation main liquid supply pipeline automatic control switch 511 of the passivation main liquid supply pipeline 51 and the passivation circulating box automatic control switch 521 for returning liquid from the passivation circulating box 52 are closed, a closing feedback signal is output to control the passivation waste water box automatic control switch 531 of the passivation waste water box 53 to be opened;
after the passivation waste water tank automatic control switch 531 of the passivation waste water tank 53 is turned on, an opening feedback signal is output to control the desalted water supply automatic control switch 21 to be turned on, and the desalted water supply is completed.
Further, after the desalted water washing is finished, firstly, the desalted water supply automatic control switch 21 is turned off, the turn-off signal of the desalted water supply automatic control switch 21 is fed back to the control center, and the passivation waste water tank automatic control switch 531 of the passivation waste water tank 53 is turned off;
after receiving a signal for closing the passivation waste water tank automatic control switch 531 of the passivation waste water tank 53, the passivation circulating tank automatic control switch 521 of the passivation circulating tank 52 is opened;
after receiving a feedback signal for turning on the passivation circulation box automatic control switch 521, the passivation main liquid supply pipeline automatic control switch 511 is turned on.
And after the accident water cleaning of the passivation process section is finished, closing an automatic control switch between the passivation process section and the accident water conveying device, opening an automatic control switch between the alkali washing process section and the accident water conveying device, and finishing the accident water cleaning of the alkali washing process section according to the same steps of the accident water cleaning of the acid washing process section.
When the production line has an accident, the production line accident signal is fed back to the control center to control the automatic control switch 411 of the alkali washing main liquid supply pipeline 41 of the alkali washing process section 4 and the automatic control switch 421 of the alkali washing circulating box 42 for returning liquid to be closed, simultaneously, automatic control switches between the pickling process section 3, the passivation process section 5 and the accident water conveying device 1 are closed, specifically, a third automatic control switch 341 between the pickling spray pipe accident water washing pipeline 34 and the accident water conveying device 1, a fourth automatic control switch 351 between the pickling wringing roller accident water washing pipeline 35 and the accident water conveying device 1, a first automatic control switch 541 between the passivation spray pipe accident water washing pipeline 54 and the accident water conveying device 1, and a sixth automatic control switch 551 between the passivation wringing roller accident water washing pipeline 55 and the accident water conveying device 1;
after the automatic control switch 411 of the alkaline cleaning main liquid supply pipeline 41 and the automatic control switch 421 of the alkaline cleaning circulation box 42 returning liquid are closed, outputting a closing feedback signal to control the automatic control switch 431 of the alkaline cleaning waste water box 43 to be opened;
and after the alkaline washing wastewater tank automatic control switch 431 of the alkaline washing wastewater tank 43 is turned on, outputting an opening feedback signal to control the desalted water supply automatic control switch 21 to be turned on, so that the desalted water supply is finished.
Further, after the desalted water washing is finished, firstly, the desalted water supply automatic control switch 21 is turned off, the turn-off signal of the desalted water supply automatic control switch 21 is fed back to the control center, and the alkaline washing wastewater tank automatic control switch 431 of the alkaline washing wastewater tank 43 is turned off;
after receiving a signal that the alkaline washing wastewater tank automatic control switch 431 of the alkaline washing wastewater tank 43 is turned off, the alkaline washing circulation tank automatic control switch 421 of the alkaline washing circulation tank 42 is turned on;
after receiving a feedback signal of opening the alkaline cleaning circulation box automatic control switch 421, the alkaline cleaning main liquid supply pipeline automatic control switch 411 is opened.
The emergency water conveying device in the embodiment of the invention can adopt an emergency water pump, and all automatic control switches in the embodiment of the invention can adopt automatic valves with quick-opening valves, and can also be flow switches, automatic switch switching valves and the like.
Another embodiment of the present invention provides a production line aluminum plate fault water cleaning system, including: the device comprises a passivation process pipeline, an acid washing process pipeline and an alkali washing process pipeline, wherein the passivation, acid washing and alkali washing process pipelines respectively further comprise a main liquid supply pipeline, a circulation box and a waste water box, and the device is characterized in that: the passivation process pipeline, the acid washing process pipeline and the alkali washing process pipeline are further provided with a desalted water tank and a corresponding accident water conveying device at the same time;
the main liquid supply pipeline, the circulation box and the waste water box are all provided with corresponding automatic control switches with feedback, and automatic control switches with feedback are also arranged between the emergency water conveying device and the passivation, acid washing and alkali washing process pipelines respectively.
Specifically, the passivation process pipeline, the acid washing process pipeline and the alkali washing process pipeline are further respectively provided with a spray pipe emergency water washing pipeline and a squeezing roller emergency water washing pipeline, and the spray pipe emergency water washing pipeline and the squeezing roller emergency water washing pipeline are both provided with automatic control switches with feedback;
a first automatic control switch 541 is arranged between the spray pipe accident water washing pipeline 54 of the passivation process pipeline and the accident water conveying device 1, and a sixth automatic control switch 551 is arranged between the wringing roller accident water washing pipeline 55 and the accident water conveying device 1;
a second automatic control switch 441 is arranged between the spraying pipe accident water washing pipeline 44 of the alkali washing process pipeline and the accident water conveying device 1, and a fifth automatic control switch 451 is arranged between the wringing roller accident water washing pipeline 45 and the accident water conveying device 1;
a third automatic control switch 341 is arranged between the spray pipe accident water washing pipeline 34 of the pickling process pipeline and the accident water conveying device 1, and a fourth automatic control switch 351 is arranged between the squeezing roller accident water washing pipeline 35 and the accident water conveying device 1.
Furthermore, a liquid level feedback device 22 and a desalted water supply automatic control switch 21 are arranged on the desalted water tank 2, and the volume of the desalted water tank 2 is set to meet the water quantity required by the three-stage accident water cleaning process. The cleaning system also comprises a control center for controlling an automatic control switch, all the automatic control switches used in the accident water cleaning process adopt quick-opening valves, and the opening and closing time of the valves is controlled between 10 and 20 seconds.
The traditional accident water flushing process usually directly introduces a desalted water pipeline of a plant area as the flushing of accident water, the pressure of the accident water of a spray pipe cannot be controlled by the traditional method, and pressure fluctuation can be caused along with the use condition of desalted water of the whole plant area. The production line aluminum plate fault accident water cleaning system provided by the embodiment of the invention is provided with the independent desalted water tank and the accident water pump, the pressure requirements of flushing different spray pipes can be met by adjusting front and rear valves of the pump, the capacity of the desalted water tank in the embodiment of the invention is set to meet the requirement of flushing water quantity of three-stage accident water, and if an emergency occurs, the desalted water automatic water replenishing valve can be opened according to a liquid level feedback device arranged on the desalted water tank to replenish water for the desalted water tank.
Traditional accident water washs often only to set up the regional accident water washing of shower, nevertheless sees according to on-the-spot feedback information, and in wringing roller department, the slab band produces the hydrops more easily on the contrary, therefore outside this technology washed except that the regional accident water washing of shower sets up the shower, still set up the accident water washing pipeline of wringing roller department specially to the independent spray tube and the automatic switch diverter valve of configuration.
The production line fault aluminum plate emergency water cleaning system provided by the embodiment of the invention is provided with a full-automatic control system, all the switching of each part of emergency water process section is completed by the mutual cooperation of automatic control switches with feedback, all the emergency water automatic control switches in the embodiment can adopt quick-opening valves, the opening and closing time of the valves is controlled between 10 and 20s, the high-efficiency and accurate supply and switching of emergency water are ensured when an accident occurs in a production line, and the production line fault aluminum plate emergency water cleaning system has the characteristics of more stable flushing pressure, more mature control system, more accurate switching process, more high-efficiency working efficiency and the like on the premise of meeting the emergency water flushing process. Therefore, the accident water process is bound to be popularized and applied more and more in similar production lines in the future.
The above description is only a preferred embodiment of the present invention, and not intended to limit the present invention in other forms, and any person skilled in the art may apply the above modifications or changes to the equivalent embodiments with equivalent changes, without departing from the technical spirit of the present invention, and any simple modification, equivalent change and change made to the above embodiments according to the technical spirit of the present invention still belong to the protection scope of the technical spirit of the present invention.
Claims (10)
1. The method for cleaning the aluminum plate with the fault in the production line by using the accident water is characterized by comprising the following steps of: the method comprises the following steps: cleaning an acid washing process section, cleaning an alkali washing process section and cleaning a passivation process section;
when the production line is shut down due to an accident, firstly, the accident water conveying device sequentially conveys desalted water stored in a desalted water tank to each process section for cleaning through a pipeline according to the accident water supply sequence of the acid washing process section, the passivation process section and the alkali washing process section;
wherein, the switching among the cleaning processes of each process section is completed by the mutual cooperation of an automatic control switch with feedback and a control center for controlling the automatic control switch.
2. The method for cleaning aluminum plate with production line fault in accident water as claimed in claim 1, wherein: the cleaning steps of the pickling process section are as follows:
when an accident occurs in the production line, a production line accident signal is fed back to the control center, the automatic control switch of the main liquid supply pipeline and the automatic control switch of the liquid return of the circulating box of the pickling process section are controlled to be closed, and meanwhile, the automatic control switches among the passivation process section, the alkali washing process section and the accident water conveying device are closed;
after the automatic control switch of the main liquid supply pipeline and the automatic control switch of the liquid return of the circulating box are closed, a closing feedback signal is output to control the automatic control switch of the waste water box to be opened;
and after the automatic control switch of the waste water tank is turned on, an opening feedback signal is output to control the automatic control switch for supplying desalted water to be turned on, so that the supply of desalted water is finished.
3. The method for cleaning aluminum plate with production line fault in accident water as claimed in claim 2, wherein: after the desalted water washing is finished, firstly, the desalted water supply automatic control switch is turned off, the turn-off signal of the desalted water supply automatic control switch is fed back to the control center, and the wastewater tank automatic control switch is turned off;
after receiving a closing signal of the automatic control switch of the waste water tank, the automatic control switch of the liquid return of the circulating tank is opened;
and after receiving a feedback signal of opening the automatic control switch of the circulation box, the automatic control switch of the main liquid supply pipeline is opened.
4. The accidental water cleaning method for the aluminum plate with the fault in the production line as claimed in claim 2 or 3, wherein: and after the cleaning of the accident water of the pickling process section is finished, closing an automatic control switch between the pickling process section and the accident water conveying device, opening an automatic control switch between the passivation process section and the accident water conveying device, and finishing the cleaning of the accident water of the passivation process section according to the same flow steps of the cleaning of the accident water of the pickling process section.
5. The method for cleaning aluminum plate with production line fault in accident water as set forth in claim 4, wherein: and after the accident water cleaning of the passivation process section is finished, closing an automatic control switch between the passivation process section and the accident water conveying device, opening an automatic control switch between the alkali washing process section and the accident water conveying device, and finishing the accident water cleaning of the alkali washing process section according to the same steps of the accident water cleaning of the acid washing process section.
6. The method for cleaning aluminum plate with production line fault in accident water as claimed in claim 1, wherein: the pickling process section, the alkaline washing process section and the passivation process section are respectively provided with a spray pipe emergency water flushing pipeline and a squeezing roller emergency water flushing pipeline;
a first automatic control switch is arranged between the accident water washing pipeline of the spraying pipe of the passivation process section and the accident water conveying device, and a sixth automatic control switch is arranged between the accident water washing pipeline of the squeezing roller and the accident water conveying device;
a second automatic control switch is arranged between the accident water washing pipeline of the spraying pipe of the alkali washing process section and the accident water conveying device, and a fifth automatic control switch is arranged between the accident water washing pipeline of the squeezing roller and the accident water conveying device;
and a third automatic control switch is arranged between the spray pipe accident water washing pipeline of the pickling process section and the accident water conveying device, and a fourth automatic control switch is arranged between the squeezing roller accident water washing pipeline and the accident water conveying device.
7. The utility model provides a production line trouble aluminum plate accident water cleaning system, includes: the device comprises a passivation process pipeline, an acid washing process pipeline and an alkali washing process pipeline, wherein the passivation, acid washing and alkali washing process pipelines respectively further comprise a main liquid supply pipeline, a circulation box and a waste water box, and the device is characterized in that: the passivation process pipeline, the acid washing process pipeline and the alkali washing process pipeline are further provided with a desalted water tank and a corresponding accident water conveying device at the same time;
the main liquid supply pipeline, the circulation box and the waste water box are all provided with corresponding automatic control switches with feedback, and automatic control switches with feedback are also arranged between the emergency water conveying device and the passivation, acid washing and alkali washing process pipelines respectively.
8. The production line aluminum plate accident water cleaning system of claim 7, wherein: the passivation process pipeline, the acid washing process pipeline and the alkali washing process pipeline are further respectively provided with a spray pipe emergency water washing pipeline and a squeezing roller emergency water washing pipeline, and the spray pipe emergency water washing pipeline and the squeezing roller emergency water washing pipeline are respectively provided with an automatic control switch with feedback;
a first automatic control switch is arranged between the spray pipe accident water washing pipeline of the passivation process pipeline and the accident water conveying device, and a sixth automatic control switch is arranged between the squeezing roller accident water washing pipeline and the accident water conveying device;
a second automatic control switch is arranged between the emergency water washing pipeline of the spraying pipe of the alkali washing process pipeline and the emergency water conveying device, and a fifth automatic control switch is arranged between the emergency water washing pipeline of the squeezing roller and the emergency water conveying device;
and a third automatic control switch is arranged between the spray pipe accident water washing pipeline of the pickling process pipeline and the accident water conveying device, and a fourth automatic control switch is arranged between the squeezing roller accident water washing pipeline and the accident water conveying device.
9. The production line aluminum plate accident water cleaning system of claim 7, wherein: the desalting water tank is provided with a liquid level feedback device and a desalting water supply automatic control switch, and the volume of the desalting water tank is set to meet the water quantity required by the three-section accident water cleaning process.
10. The production line malfunction accident water cleaning system according to claim 7, 8 or 9, wherein: the cleaning system also comprises a control center for controlling an automatic control switch, all the automatic control switches used in the accident water cleaning process adopt quick-opening valves, and the opening and closing time of the valves is controlled between 10 and 20 seconds.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111125519.9A CN113957449A (en) | 2021-09-23 | 2021-09-23 | Production line fault aluminum plate accident water cleaning method and system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111125519.9A CN113957449A (en) | 2021-09-23 | 2021-09-23 | Production line fault aluminum plate accident water cleaning method and system |
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| CN113957449A true CN113957449A (en) | 2022-01-21 |
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Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1163947A (en) * | 1996-02-09 | 1997-11-05 | 丹尼利机械设备股份公司 | System and method for removing residue from steel product |
| JPH10310887A (en) * | 1997-05-12 | 1998-11-24 | Nkk Corp | Method for acid-pickling metallic material |
| JPH11181586A (en) * | 1997-10-14 | 1999-07-06 | Nippon Steel Corp | Device for preventing discoloration of steel strip |
| CN2692165Y (en) * | 2004-03-31 | 2005-04-13 | 宝山钢铁股份有限公司 | Acid pickling machine set flushing tank flushing device |
| JP2006028574A (en) * | 2004-07-15 | 2006-02-02 | Sugimura Kagaku Kogyo Kk | Water purification treatment method for pickled steel strip |
| JP2007031791A (en) * | 2005-07-28 | 2007-02-08 | Nisshin Steel Co Ltd | Cleaning method for pickled steel strip in continuous pickling treatment line and cleaning apparatus |
| US20080142451A1 (en) * | 2006-12-14 | 2008-06-19 | Water Solutions, Inc. | Automated apparatus and process for the controlled shutdown and start-up for a wastewater treatment system |
| JP2011236459A (en) * | 2010-05-07 | 2011-11-24 | Nisshin Steel Co Ltd | Pickling facility and treatment method in stopping of pickling facility |
| CN203754818U (en) * | 2014-03-21 | 2014-08-06 | 东方电气集团东方汽轮机有限公司 | Acidifying and passivating device for stroke sleeve of CRDM (Control-Rod Device Mechanism) rod and inner surface of seal housing |
| CN107937926A (en) * | 2017-11-29 | 2018-04-20 | 郑州荣奇热电能源有限公司 | Steam condenser of steam turbine set cooling pipe chemical cleaning technology |
| CN112877708A (en) * | 2021-01-13 | 2021-06-01 | 本钢板材股份有限公司 | Strip steel pickling tank system convenient to clean and cleaning method thereof |
-
2021
- 2021-09-23 CN CN202111125519.9A patent/CN113957449A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1163947A (en) * | 1996-02-09 | 1997-11-05 | 丹尼利机械设备股份公司 | System and method for removing residue from steel product |
| JPH10310887A (en) * | 1997-05-12 | 1998-11-24 | Nkk Corp | Method for acid-pickling metallic material |
| JPH11181586A (en) * | 1997-10-14 | 1999-07-06 | Nippon Steel Corp | Device for preventing discoloration of steel strip |
| CN2692165Y (en) * | 2004-03-31 | 2005-04-13 | 宝山钢铁股份有限公司 | Acid pickling machine set flushing tank flushing device |
| JP2006028574A (en) * | 2004-07-15 | 2006-02-02 | Sugimura Kagaku Kogyo Kk | Water purification treatment method for pickled steel strip |
| JP2007031791A (en) * | 2005-07-28 | 2007-02-08 | Nisshin Steel Co Ltd | Cleaning method for pickled steel strip in continuous pickling treatment line and cleaning apparatus |
| US20080142451A1 (en) * | 2006-12-14 | 2008-06-19 | Water Solutions, Inc. | Automated apparatus and process for the controlled shutdown and start-up for a wastewater treatment system |
| JP2011236459A (en) * | 2010-05-07 | 2011-11-24 | Nisshin Steel Co Ltd | Pickling facility and treatment method in stopping of pickling facility |
| CN203754818U (en) * | 2014-03-21 | 2014-08-06 | 东方电气集团东方汽轮机有限公司 | Acidifying and passivating device for stroke sleeve of CRDM (Control-Rod Device Mechanism) rod and inner surface of seal housing |
| CN107937926A (en) * | 2017-11-29 | 2018-04-20 | 郑州荣奇热电能源有限公司 | Steam condenser of steam turbine set cooling pipe chemical cleaning technology |
| CN112877708A (en) * | 2021-01-13 | 2021-06-01 | 本钢板材股份有限公司 | Strip steel pickling tank system convenient to clean and cleaning method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 张玉萍: "建筑设备工程 修订版", 中国建材工业出版社, pages: 58 * |
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