CN204825109U - A electrolytic pickling solution pH value automatic regulating apparatus for belted steel pickling production - Google Patents

A electrolytic pickling solution pH value automatic regulating apparatus for belted steel pickling production Download PDF

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Publication number
CN204825109U
CN204825109U CN201520607722.3U CN201520607722U CN204825109U CN 204825109 U CN204825109 U CN 204825109U CN 201520607722 U CN201520607722 U CN 201520607722U CN 204825109 U CN204825109 U CN 204825109U
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China
Prior art keywords
value
pickling solution
plc
electrolytic pickling
electrolytic
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Expired - Fee Related
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CN201520607722.3U
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Chinese (zh)
Inventor
姚伟东
陈威
赵凯
欧阳诗卉
刘沛迪
杨天贵
肖银平
尹幼华
邓云露
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General Electric Wuhan Automation Co Ltd
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Wuhan Iron and Steel Group Corp
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Priority to CN201520607722.3U priority Critical patent/CN204825109U/en
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Publication of CN204825109U publication Critical patent/CN204825109U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model relates to an electrolytic pickling solution pH value automatic regulating apparatus for belted steel pickling production, the device include PLC, are used for to place the circulation jar of electrolytic pickling solution, be equipped with in the circulation jar and be used for detecting the pH value sensor of electrolytic pickling solution pH value, the circulation jar is connected with the acidification device through the connecting pipe, be equipped with the solenoid valve on the connecting pipe, the circulation jar still is equipped with the level gauge, level gauge, pH value sensor and solenoid valve are connected with PLC respectively. The connecting pipe is equipped with the flowmeter that is used for detecting the volume of flowing through the acidification, the flowmeter is connected with PLC, PLC measures closing of control solenoid through the acidification that the flowmeter detected. This device is through the status data of electrolytic pickling solution in the real -time supervision circulation jar, can the automatic calculation goes out to add the opening time of sulphuric acid solenoid valve, realizes timely, accurate control electrolytic pickling solution pH value.

Description

For the electrolytic pickling solution pH value automatic-adjusting device that strip pickling is produced
Technical field
The utility model relates to strip pickling production control field, specifically refers to a kind of electrolytic pickling solution pH value automatic-adjusting device produced for strip pickling.
Background technology
Strip pickling in Iron And Steel Industry is produced and the band steel of annealed process feeding electrolytic pickling solution need be carried out electrolysis, electrolytic pickling solution used comprises neutral salt solution, sulfuric acid and nitric acid, and the pH value of electrolytic pickling solution is regulated by adding sulfuric acid, pH value is controlled 3 ~ 4.
Produce on production line at traditional strip pickling, the control of the pH value of electrolytic pickling solution relies on the working experience of direct labor and field instrument to carry out Non-follow control, so not only labor strength is large, inefficiency, and speed is slow, control not in time, poor accuracy, makes the quality of the pH value of electrolytic pickling solution unstable.
Along with the production-scale development of iron and steel enterprise grows, the requirement controlled the pH value of the electrolytic pickling solution as pickling production core is more and more higher, and traditional manual operations can not obtain stable Control platform far away.Therefore, be necessary to study a kind of pH value automatic control system, the pH value that this system can realize electrolytic pickling solution controls automatically, and ensures that the pH value of electrolytic pickling solution is stablized simultaneously.
Summary of the invention
The utility model object is to overcome above-mentioned the deficiencies in the prior art and provides a kind of electrolytic pickling solution pH value automatic-adjusting device produced for strip pickling, this device can realize the detection to PH automatically, and the pH value of electrolytic pickling solution is automatically regulated according to PH set(ting)value, improve production efficiency.
The technical scheme realizing the employing of the utility model object is a kind of electrolytic pickling solution pH value automatic-adjusting device produced for strip pickling, this device comprising PLC, for placing the circulation tank of electrolytic pickling solution, being provided with the pH value sensor for detecting described electrolytic pickling solution pH value in described circulation tank; Described circulation tank is connected with means for feeding acid by pipe connecting, and described pipe connecting is provided with magnetic valve; Described circulation tank is also provided with liquidometer; Described liquidometer, pH value sensor are connected with PLC respectively with magnetic valve.
Further, described pipe connecting is provided with for detecting the under meter flowing through acid adding amount, and described under meter is connected with PLC, the closedown of the acid adding amount Controlling solenoid valve that described PLC is detected by under meter.
Further, described PLC is also connected with warning howler.
The utility model structure is simple, by PLC, required target P H value is set, then electrolytic pickling solution pH value is detected by pH value sensor, the actual pH value detected is transferred to PLC, actual pH value compares with target P H value by PLC, if electrolytic pickling solution pH value actual value is greater than target P H value, starts acid adding program, namely PLC Controlling solenoid valve is opened, and means for feeding acid adds sulfuric acid to reduce the pH value of electrolytic pickling solution by pipe connecting in circulation tank Inner electrolysis Acidwash solution.
The utility model has following beneficial effect:
1, the utility model is by automatically controlling to substitute traditional Non-follow control, reduces labor strength, improves working efficiency.
2, this device is by the status data of Real-Time Monitoring circulation tank Inner electrolysis Acidwash solution, automatically can calculate the opening time of adding sulfuric acid magnetic valve, realizes in time, controls electrolytic pickling solution pH value accurately.
Accompanying drawing explanation
Fig. 1 is the structural representation of the electrolytic pickling solution pH value automatic-adjusting device that the utility model is produced for strip pickling.
Fig. 2 is the connection diagram of each components and parts of control section in the utility model.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
As shown in Figure 1, the utility model comprises the circulation tank 1 for placing electrolytic pickling solution for the electrolytic pickling solution pH value automatic-adjusting device that strip pickling is produced, circulation tank 1 is communicated with means for feeding acid 4 by pipe connecting 3, pipe connecting 3 be provided with control its switch magnetic valve 6 and for detecting the under meter 7 flowing through acid solution in it.Circulation tank 1 is provided with the liquidometer 2 for monitoring pot liquid, is provided with the pH value sensor for detecting electrolytic pickling solution pH value in circulation tank 1.Means for feeding acid 4 is provided with recycle pump 5, and recycle pump 5 is for being pumped into the acidic solution (as sulfuric acid) in means for feeding acid 4 in circulation tank 1 from pipe connecting 3.
This device also comprises PLC, and liquidometer 2, pH value sensor, magnetic valve 6 are connected with PLC respectively with under meter 7, and as shown in Figure 2, PLC is also connected with warning howler.
The working process of this pH value automatic-adjusting device is as follows:
1, operative employee manually sets the target P H value of electrolytic pickling solution in PLC.
2, the actual pH value of electrolytic pickling solution in circulation tank 1 measured in real time by pH value sensor, and by the data transmission of measurement in PLC, the actual pH value of PLC comparative analysis and target P H value, if the actual pH value of electrolytic pickling solution is greater than target P H value, and exceed a default dead zone range (such as 0.5 to 1.5), start acid adding program, namely PLC controlled circulation pump 5 starts, and Controlling solenoid valve 6 is opened, acidic solution in means for feeding acid 4 is pumped in circulation tank 1 from pipe connecting 3 by recycle pump 5, to reduce the pH value of electrolytic pickling solution.If it is comparatively large that actual pH value exceeds target P H value, PLC can also control warning howler and give the alarm.
3) magnetic valve 6 opening time reach dynamically add acid profile preset time after shut electromagnetic valve.
4), after waiting for that circulation tank Inner electrolysis Acidwash solution fully mixes, electrolytic pickling solution pH value is measured.If electrolytic pickling solution pH value is greater than set(ting)value, then need again to open magnetic valve 6, magnetic valve 6 opening time recalculates by dynamically adding acid profile; If electrolytic pickling solution pH value is less than target P H value, then acid adding magnetic valve 6 is kept to close.
It is that in the circulation tank 1 that detects of the actual pH value that detected by pH value sensor and liquidometer 2, liquid level position adds how many sulfuric acid amount by Fuzzy Calculation needs and reaches target value to make the pH value of circulation tank 1 electrolytic pickling solution in circulation tank 1 that the utility model dynamically adds acid profile, then the speed indicator pumping into sulfuric acid according to recycle pump 5 calculates the time adding sulfuric acid, according to the closedown of this time control solenoid valve 6.
In addition, can also detect according under meter 7 and flow through the closedown that sulfuric acid amount carrys out Controlling solenoid valve, such as PLC calculates to be needed to add a certain amount of sulfuric acid, and when under meter 7 detects that the sulfuric acid amount flow through reaches the backward PLC of this metering and sends signal, PLC then sends the order of closedown to magnetic valve 6.The process of above-mentioned image data and calculating, by arranging in PLC, repeats no more herein.

Claims (3)

1. the electrolytic pickling solution pH value automatic-adjusting device produced for strip pickling, it is characterized in that: comprising PLC, for placing the circulation tank of electrolytic pickling solution, in described circulation tank, being provided with the pH value sensor for detecting described electrolytic pickling solution pH value; Described circulation tank is connected with means for feeding acid by pipe connecting, and described pipe connecting is provided with magnetic valve; Described circulation tank is also provided with liquidometer; Described liquidometer, pH value sensor are connected with PLC respectively with magnetic valve.
2. according to claim 1 for the electrolytic pickling solution pH value automatic-adjusting device of strip pickling production, it is characterized in that: described pipe connecting is provided with for detecting the under meter flowing through acid adding amount, described under meter is connected with PLC, the closedown of the acid adding amount Controlling solenoid valve that described PLC is detected by under meter.
3. according to claim 1 or 2 for strip pickling produce electrolytic pickling solution pH value automatic-adjusting device, it is characterized in that: described PLC is also connected with warning howler.
CN201520607722.3U 2015-08-12 2015-08-12 A electrolytic pickling solution pH value automatic regulating apparatus for belted steel pickling production Expired - Fee Related CN204825109U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520607722.3U CN204825109U (en) 2015-08-12 2015-08-12 A electrolytic pickling solution pH value automatic regulating apparatus for belted steel pickling production

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Application Number Priority Date Filing Date Title
CN201520607722.3U CN204825109U (en) 2015-08-12 2015-08-12 A electrolytic pickling solution pH value automatic regulating apparatus for belted steel pickling production

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105388921A (en) * 2015-12-17 2016-03-09 吉首大学 Chemical combination barrel acid adding system and method
CN105603467A (en) * 2016-02-19 2016-05-25 金川集团股份有限公司 Hysteretic pH value control device and control method
CN106978618A (en) * 2017-04-04 2017-07-25 上饶市鸿基铝业有限公司 A kind of aluminium alloy high-efficiency environment friendly oxidation technology method
CN110373708A (en) * 2019-07-31 2019-10-25 东南大学 Adjustable concentration realizes that the nanometer pinpoint of needle point cone angle control prepares platform and method
CN113235155A (en) * 2021-04-29 2021-08-10 江苏兴达钢帘线股份有限公司 Electrolytic pickling current-stabilizing control system for tire bead steel wire production line

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105388921A (en) * 2015-12-17 2016-03-09 吉首大学 Chemical combination barrel acid adding system and method
CN105603467A (en) * 2016-02-19 2016-05-25 金川集团股份有限公司 Hysteretic pH value control device and control method
CN106978618A (en) * 2017-04-04 2017-07-25 上饶市鸿基铝业有限公司 A kind of aluminium alloy high-efficiency environment friendly oxidation technology method
CN110373708A (en) * 2019-07-31 2019-10-25 东南大学 Adjustable concentration realizes that the nanometer pinpoint of needle point cone angle control prepares platform and method
CN110373708B (en) * 2019-07-31 2021-04-30 东南大学 Nano needle tip preparation platform and method for adjusting concentration to realize needle tip cone angle control
CN113235155A (en) * 2021-04-29 2021-08-10 江苏兴达钢帘线股份有限公司 Electrolytic pickling current-stabilizing control system for tire bead steel wire production line
CN113235155B (en) * 2021-04-29 2022-11-01 江苏兴达钢帘线股份有限公司 Electrolysis pickling current-stabilizing control system for tire bead steel wire production line

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
TR01 Transfer of patent right

Effective date of registration: 20170208

Address after: 430080 Wuhan, Hubei Qingshan District, Heping Avenue, No. 1244

Patentee after: General Electric (Wuhan) Automation Co., Ltd.

Address before: 430080 Wuhan, Hubei, Wuchang Friendship Avenue, No. 999, block A, layer 15, layer

Patentee before: Wuhan Iron & Steel (Group) Corp.

CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20151202

Termination date: 20180812