CN104803452A - Automatic control method for electrochemistry heavy metal sewage treatment system - Google Patents
Automatic control method for electrochemistry heavy metal sewage treatment system Download PDFInfo
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- 229910001385 heavy metal Inorganic materials 0.000 title claims abstract description 112
- 239000010865 sewage Substances 0.000 title claims abstract description 108
- 238000000034 method Methods 0.000 title claims abstract description 35
- 230000005518 electrochemistry Effects 0.000 title abstract description 13
- 230000008859 change Effects 0.000 claims abstract description 11
- 238000013178 mathematical model Methods 0.000 claims abstract description 10
- 238000001514 detection method Methods 0.000 claims abstract description 8
- 238000013507 mapping Methods 0.000 claims abstract description 8
- 238000012360 testing method Methods 0.000 claims description 65
- 229910052793 cadmium Inorganic materials 0.000 claims description 22
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 claims description 22
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 10
- 229910052785 arsenic Inorganic materials 0.000 claims description 9
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 claims description 9
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 7
- 229910052802 copper Inorganic materials 0.000 claims description 7
- 239000010949 copper Substances 0.000 claims description 7
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 5
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims description 5
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 5
- 229910017052 cobalt Inorganic materials 0.000 claims description 5
- 239000010941 cobalt Substances 0.000 claims description 5
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 5
- 229910052748 manganese Inorganic materials 0.000 claims description 5
- 239000011572 manganese Substances 0.000 claims description 5
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 claims description 5
- 229910052753 mercury Inorganic materials 0.000 claims description 5
- 229910052759 nickel Inorganic materials 0.000 claims description 5
- 229910052716 thallium Inorganic materials 0.000 claims description 5
- BKVIYDNLLOSFOA-UHFFFAOYSA-N thallium Chemical compound [Tl] BKVIYDNLLOSFOA-UHFFFAOYSA-N 0.000 claims description 5
- 229910052725 zinc Inorganic materials 0.000 claims description 5
- 239000011701 zinc Substances 0.000 claims description 5
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 8
- 238000012544 monitoring process Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 238000003487 electrochemical reaction Methods 0.000 description 4
- 230000014509 gene expression Effects 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000011897 real-time detection Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 210000005056 cell body Anatomy 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 238000011112 process operation Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
Abstract
The invention discloses an automatic control method for an electrochemistry heavy metal sewage treatment system. The automatic control method comprises the following implementation steps: (1) obtaining the detection index value of treated heavy metal sewage; (2) inputting the detection index value in a preset relational mapping mathematical model to obtain an output current value enabling the running power of a rectifier of the electrochemistry heavy metal sewage treatment system to be the minimum; (3) controlling the rectifier of the electrochemistry heavy metal sewage treatment system to output the output current value enabling the running power of the rectifier to be the minimum so as to enable the electrochemistry heavy metal sewage treatment system to run with the minimum power. According to the invention, the electrochemistry current is automatically tracked and adjusted along with the change of the detection index value to enable the electrochemistry current to be always at the critical value, so that the electrochemistry always operates at the minimum running power on the condition that the index reaches the standard, electric energy is saved, and the operating time of a polar plate is prolonged.
Description
Technical field
The present invention relates to the automatic controlling system technology of electrochemical heavy metals sewage treatment project, be specifically related to a kind of autocontrol method for electrochemical heavy metals Sewage treatment systems.
Background technology
Electrochemical heavy metals sewage disposal technology has short construction period, running cost is low, treatment effect good, facility floor space is little, technique can high, the advantage such as process range is wide, anti impulsion load is strong, mud generation is few, operation and maintenance is simple of level of automation, is therefore used widely in heavy metal-polluted water harnessing field.Prior art generally all comprises the on-Line Monitor Device of processed heavy metal containing sewage, rectifier and pole plate based on the electrochemical heavy metals Sewage treatment systems of electrochemical heavy metals sewage disposal technology, by the monitoring index value of the processed heavy metal containing sewage of on-Line Monitor Device monitoring, simultaneously by rectifier to pole plate output voltage and electric current to realize the electrochemical reaction to heavy metal ion in processed heavy metal containing sewage.
But, along with the popularization of electrochemical heavy metals sewage disposal technology, also there is following defect in the electrochemical heavy metals Sewage treatment systems of prior art: in the electrochemical heavy metals Sewage treatment systems of (1) prior art in practical engineering application, rectifier debugging after always with a changeless Power operation, the service rating of rectifier is caused to there is waste, rectifier service rating is uneconomical, has the larger energy saving space; (2) pole plate is the running stores of electrochemical reaction, and in the electrochemical heavy metals Sewage treatment systems of prior art, pole plate mainly relies on the subjective judgement of people the need of changing, time is difficult to accurate control, if pole plate is changed too early, then pole plate is caused not have completely consumed, waste pole plate; If evening changed by pole plate, then caused that the contact surface between pole plate and connecting copper bar reduces because pole plate consumes excessively, resistance increased, and easily caused contact surface (or screw) rubescent heating on fire.
Summary of the invention
The technical problem to be solved in the present invention is: for the problems referred to above of prior art, a kind of electrochemical source of current is provided to regulate from motion tracking with the height change of Testing index value, make electrochemical source of current value all the time in threshold value, thus can when Testing index is up to standard, make electrochemistry forever with minimum service rating, thus the autocontrol method for electrochemical heavy metals Sewage treatment systems realizing saves energy and extend pole plate working time.
In order to solve the problems of the technologies described above, the technical solution used in the present invention is:
For an autocontrol method for electrochemical heavy metals Sewage treatment systems, implementation step comprises:
1) the Testing index value of processed heavy metal containing sewage is obtained;
2) by relationship map mathematical model default for described Testing index value input, obtain making the output current value that the rectifier service rating of electrochemical heavy metals Sewage treatment systems is minimum, described relationship map mathematical model comprises Testing index value and mapping relations between the output current value making the rectifier service rating of electrochemical heavy metals Sewage treatment systems minimum;
3) described in the rectifier controlling electrochemical heavy metals Sewage treatment systems exports, the minimum output current value of rectifier service rating is run with minimum service rating to make electrochemical heavy metals Sewage treatment systems.
Preferably, described step 2) middle mapping relations between Testing index value and the output current value making the rectifier service rating of electrochemical heavy metals Sewage treatment systems minimum are as the formula (1);
y=250x（1）
In formula (1),
yrepresent the output current value making the rectifier service rating of electrochemical heavy metals Sewage treatment systems minimum, unit is A;
xrepresent the Testing index value of processed heavy metal containing sewage, unit is mg/L.
Preferably, in described step 1), the Testing index value of processed heavy metal containing sewage specifically refers to the mean value of the Testing index value of any one material in cadmium, arsenic, lead, zinc, thallium, sexavalent chrome, mercury, copper, nickel, cobalt, manganese or the Testing index value of more than one materials.
Preferably, described step 2) also comprise the step of carrying out pole plate consumption detection according to rectifier output voltage, its detailed step comprises: the output voltage detecting rectifier in electrochemical heavy metals Sewage treatment systems in real time, described output voltage is consumed extreme voltage values with the pole plate preset compare, if described output voltage is more than or equal to default pole plate consume extreme voltage values, the rectifier then controlling electrochemical heavy metals Sewage treatment systems stops outward current, otherwise further described output voltage and the pole plate consumption alarm magnitude of voltage preset are compared, if described output voltage is more than or equal to default pole plate consumption alarm magnitude of voltage, then export pole plate and change guard signal.
The autocontrol method that the present invention is used for electrochemical heavy metals Sewage treatment systems has following advantage:
1, Real-time Obtaining of the present invention is processed the Testing index value of heavy metal containing sewage, by the relationship map mathematical model that the input of Testing index value is preset, obtain making the output current value that the rectifier service rating of electrochemical heavy metals Sewage treatment systems is minimum, and the rectifier output controlling electrochemical heavy metals Sewage treatment systems makes the minimum output current value of rectifier service rating run with minimum service rating to make electrochemical heavy metals Sewage treatment systems, electrochemical source of current regulates from motion tracking with the height change of Testing index value, make electrochemical source of current value all the time in threshold value, thus can when Testing index is up to standard, make electrochemistry forever with minimum service rating, thus can saves energy and extend pole plate working time, to compare power consumption little with the electrochemical heavy metals Sewage treatment systems of prior art, energy-conserving and environment-protective more.
2, Real-time Obtaining of the present invention is processed the Testing index value of heavy metal containing sewage, by the relationship map mathematical model that the input of Testing index value is preset, obtain making the output current value that the rectifier service rating of electrochemical heavy metals Sewage treatment systems is minimum, and the rectifier output controlling electrochemical heavy metals Sewage treatment systems makes the minimum output current value of rectifier service rating run with minimum service rating to make electrochemical heavy metals Sewage treatment systems, larger in water-quality guideline fluctuation, the outspent factor of pole plate, still water quality reaching standard can be guaranteed, thus improve the safety coefficient of electro-chemical systems.
3, the present invention comprises the step of carrying out pole plate consumption detection according to rectifier output voltage further, the output voltage of rectifier in real-time detection electrochemical heavy metals Sewage treatment systems, output voltage is consumed extreme voltage values with the pole plate preset compare, if output voltage is more than or equal to default pole plate consume extreme voltage values, the rectifier then controlling electrochemical heavy metals Sewage treatment systems stops outward current, and export pole plate replacing guard signal, can reduce and change too early due to pole plate and cause wasting pole plate, the working time of electrochemical apparatus pole plate can be extended, decrease labor strength.
4, the present invention comprises the step of carrying out pole plate consumption detection according to rectifier output voltage further, the output voltage of rectifier in real-time detection electrochemical heavy metals Sewage treatment systems, output voltage is consumed extreme voltage values with the pole plate preset compare, if output voltage is more than or equal to default pole plate consume extreme voltage values, the rectifier then controlling electrochemical heavy metals Sewage treatment systems stops outward current, guarantee to occur because pole plate consumes excessively, can prevent from changing evening due to pole plate and causing the rubescent heating of the contact surface between pole plate and connecting copper bar on fire, produce that temperature is too high burns out the security incidents such as electrochemistry cell body and blast, more safe and reliable.
Accompanying drawing explanation
Fig. 1 is the method flow schematic diagram of the embodiment of the present invention.
Fig. 2 is the basic structure schematic diagram of the electrochemical heavy metals Sewage treatment systems of application embodiment of the present invention method.
Fig. 3 is the following characteristics transmission structure schematic diagram of the PLC in the electrochemical heavy metals Sewage treatment systems of application embodiment of the present invention method.
Fig. 4 is the curve synoptic diagram of relationship map mathematical model in the embodiment of the present invention.
Fig. 5 is the outward current curve synoptic diagram of rectifier in the method for the embodiment of the present invention.
Fig. 6 be the outward current curve of rectifier in the method for the embodiment of the present invention with reference to the outward current curve outward current curve of rectifier (in the prior art electrochemical heavy metals Sewage treatment systems) schematic diagram.
Embodiment
As shown in Figure 1, the present embodiment comprises for the implementation step of the autocontrol method of electrochemical heavy metals Sewage treatment systems:
1) the Testing index value of processed heavy metal containing sewage is obtained;
2) by relationship map mathematical model default for the input of Testing index value, obtain making the output current value that the rectifier service rating of electrochemical heavy metals Sewage treatment systems is minimum, relationship map mathematical model comprises Testing index value and mapping relations between the output current value making the rectifier service rating of electrochemical heavy metals Sewage treatment systems minimum;
3) rectifier controlling electrochemical heavy metals Sewage treatment systems exports and the minimum output current value of rectifier service rating is run with minimum service rating to make electrochemical heavy metals Sewage treatment systems.
In conjunction with aforesaid step 1) ~ 3), the present embodiment is used for the autocontrol method of electrochemical heavy metals Sewage treatment systems and achieves electrochemical source of current and regulate from motion tracking with the height change of Testing index value, make electrochemical source of current value all the time in threshold value, thus can when Testing index is up to standard, make electrochemistry forever with minimum service rating, thus realize saves energy and extend pole plate working time.
As shown in Figures 2 and 3, the electrochemical heavy metals Sewage treatment systems applying the present embodiment method comprises industrial computer (WinCC), instrument, PLC, on-Line Monitor Device, 1# rectifier and 2# rectifier, pole plate, power distribution cabinet and field control case.Industrial computer is for monitoring the Various types of data of electrochemical heavy metals Sewage treatment systems, and display technical process picture, communicates based on multipoint interface MPI between industrial computer and PLC.PLC adopts S7300 type PLC, PLC and all carry out communication based on Profibus bus between 1# rectifier and 2# rectifier, for monitoring electrochemical operation state, monitor and preserve electric current, the voltage data of 1# rectifier and 2# rectifier, according to flow meter data by Profibus communication, the start and stop of automatic control 1# rectifier and 2# rectifier, thus ensure electrochemical apparatus safe operation.The number connect test I/O module controls motor (1# motor and 2# motor) of PLC and variable valve etc., Analog input mModule receiving instrument (1# instrument and the 2# instrument of PLC, specifically can be PH meter, under meter, liquidometer etc.), 4 ~ 20mA signal of the equipment such as variable valve the on-the-spot actual read number of display instrument, the Profibus bus of PLC is then connected with the processing unit such as frequency transformer.PLC, for receiving the on-the-spot instrument signal such as liquid level, flow, PH, regulates the aperture of variable valve and the rotating speed of motor, thus makes process parameter value in controllable state, guarantee always to overlap reliability of technology and stability.On-Line Monitor Device obtains monitoring point to be processed the Testing index value of heavy metal containing sewage for monitoring.On-Line Monitor Device detects the height of the index (index) of the heavy metal containing sewage of water sample, exports 4 ~ 20mA signal, cadmium (Cd) the Testing index value of concrete acquisition process heavy metal containing sewage in the present embodiment.1# rectifier and 2# rectifier two rectifiers form a standard unit as a set of operator's console, 1# rectifier and 2# rectifier all adopt S7200 type electrification rectifier, rectifier touch-screen is concentrated on operator's console and form an electrochemical manipulation system, the start and stop of the number connect test I/O module controls magnetic valve of S7200 type electrification rectifier, the touch screen operation platform of electrochemical manipulation system has rectifier start and stop, solenoid control, the functions such as rectifier current, voltage data monitoring.Field control case is used for the power supply supply by power distribution cabinet control 1# rectifier and 2# rectifier, and 1# rectifier is connected with the voltage and current exported needed for electrochemical reaction with pole plate with the output terminal of 2# rectifier.Pole plate is used for the voltage and current that exports based on 1# rectifier and 2# rectifier and heavy metal containing sewage carries out electrochemical reaction.
In the present embodiment, the Testing index value in step 1) specifically refers to the cadmium Testing index value of processed heavy metal containing sewage; Certainly, the present embodiment equally also can adopt other Testing index values of processed heavy metal containing sewage as required, such as adopt the mean value of the Testing index value of any one material in arsenic, lead, zinc, thallium, sexavalent chrome, mercury, copper, nickel, cobalt, manganese or the Testing index value of more than one materials, equally also can realize the effect ensureing that electrochemical heavy metals Sewage treatment systems is run with minimum service rating.
The present embodiment is used for the autocontrol method of electrochemical heavy metals Sewage treatment systems and is the method that S7300 type PLC implements, the method needs to obtain on-Line Monitor Device and detects the analog current signal obtained, and the corresponding relation between the cadmium Testing index value of PLC foundation analog current signal, processed heavy metal containing sewage can obtain the cadmium Testing index value of processed heavy metal containing sewage.The corresponding outward current 4 ~ 20mA of such as cadmium (Cd) 0 ~ 10mg/L, the corresponding digital quantity 0 ~ 27468 of the number connect test I/O module of input S7300 type PLC, then the relational expression inputted between the digital quantity X of the number connect test I/O module of S7300 type PLC and the cadmium Testing index value Cd of processed heavy metal containing sewage is Cd=10/27648 × (X).Such as, if the digital quantity of input is 13734, then the cadmium Testing index value Cd of processed heavy metal containing sewage is 10/27648 × (13734)=5mg/L.The S7300 type PLC of electrochemical heavy metals Sewage treatment systems can calculate the cadmium Testing index value Cd of processed heavy metal containing sewage automatically.
In the present embodiment, step 2) middle mapping relations between Testing index value and the output current value making the rectifier service rating of electrochemical heavy metals Sewage treatment systems minimum are as the formula (1) (its curve is as shown in Figure 4);
y=250x（1）
In formula (1),
yrepresent the output current value making the rectifier service rating of electrochemical heavy metals Sewage treatment systems minimum, unit is A;
xrepresent the Testing index value (the present embodiment is specially cadmium Testing index value, also can adopt other Testing index values as required in addition) of processed heavy metal containing sewage, unit is mg/L.The mapping relations of the present embodiment formula (1) are the relational expressions that the many kinds of substances such as comprehensive cadmium, arsenic, lead, zinc, thallium, sexavalent chrome, mercury, copper, nickel, cobalt, manganese comprehensively obtain, and can be applicable to the mean value adopting the Testing index value of any one material or the Testing index value of more than one materials in cadmium, arsenic, lead, zinc, thallium, sexavalent chrome, mercury, copper, nickel, cobalt, manganese.Such as when adopting cadmium, arsenic two kinds of materials, the Testing index value of the Testing index value of cadmium and arsenic is sued for peace again divided by the Testing index value of 2 mean values obtained as processed heavy metal containing sewage
x; When adopting cadmium, arsenic, plumbous three kinds of materials, using the Testing index value of the Testing index value of cadmium, arsenic, the summation of plumbous Testing index value again divided by the Testing index value of 3 mean values obtained as processed heavy metal containing sewage
x, the like.
Known see Fig. 4, when cadmium Testing index value is 6mg/L, the output current value that the rectifier service rating of electrochemical heavy metals Sewage treatment systems is minimum is 2000A; When cadmium Testing index value is 8mg/L, the output current value that the rectifier service rating of electrochemical heavy metals Sewage treatment systems is minimum is 2500A; When cadmium Testing index value is 10mg/L, the output current value that the rectifier service rating of electrochemical heavy metals Sewage treatment systems is minimum is 3000A.The cadmium Testing index value of processed heavy metal containing sewage
xdifference, then the corresponding output current value making the rectifier service rating of electrochemical heavy metals Sewage treatment systems minimum
yalso can be different, therefore the actual motion electric current of rectifier just follows cadmium Testing index value
xfluctuation and change, the relation of its running current and time is a wavy line (as shown in Figure 5), thus when guarantee index can up to standard, rectifier is all the time with minimum critical Power operation.And during prior art employing constant power output, the output current value of rectifier is fixing, the relation of its running current and time is straight line (as shown in Figure 6), therefore the service rating 20KW to 62.5KW that the running average power of autocontrol method that the present embodiment is used for electrochemical heavy metals Sewage treatment systems is less than former scheme before the autocontrol method of application the present embodiment for electrochemical heavy metals Sewage treatment systems is far away applied, thus the object that can reach saves energy and extend pole plate working time.
Prove according to multiple electrochemical heavy metals Sewage treatment systems Project, the operation fortune time of pole plate is longer, consumption is faster, then rectifier output voltage increases thereupon.Follow according to this principle, in the present embodiment, step 2) also comprise the step of carrying out pole plate consumption detection according to rectifier output voltage, its detailed step comprises: the output voltage detecting rectifier in electrochemical heavy metals Sewage treatment systems in real time, output voltage is consumed extreme voltage values with the pole plate preset compare, if output voltage is more than or equal to default pole plate consume extreme voltage values, the rectifier then controlling electrochemical heavy metals Sewage treatment systems stops outward current, otherwise further described output voltage and the pole plate consumption alarm magnitude of voltage preset are compared, if described output voltage is more than or equal to default pole plate consumption alarm magnitude of voltage, then export pole plate and change guard signal.Pass through above-mentioned steps, when pole plate is soon consumed (output voltage is more than or equal to default pole plate consumption alarm magnitude of voltage), electrochemical heavy metals Sewage treatment systems automatic control system alarm operator change poles plate, and when pole plate consumes the limit (output voltage is more than or equal to default pole plate and consumes extreme voltage values) automatically stop rectifier thus reach the order ground guaranteeing electrochemical apparatus safe operation.In the present embodiment, the pole plate consumption alarm magnitude of voltage preset is by manually passing through man-machine dialogue windowed time at upper computer.
The electrochemical heavy metals Sewage treatment systems of application the present embodiment method in working order under, data such as the data such as electric current, voltage of flow, pH value, rectifier at all items scene pass to industrial computer by on-the-spot S7300 type PLC, and in industrial computer, non-specialised staff easily can inquire about each data of each project on-the-spot at any time; Simultaneously, the report management system of electrochemical heavy metals Sewage treatment systems provides the instrument report writer device freely making form, it is the report forms configuration instrument of picture and text unification, there is abundant edit, support any complex format, support expression parsing, form can show or print, and the report management system of electrochemical heavy metals Sewage treatment systems is the define method be connected with database data that user provides non-programmed.S7300 type PLC and industrial computer achieve on-the-spot real time data in electrochemical heavy metals sewage treatment project display, preserve teletransmission etc., the startup of each monomer operating device in each electrochemical heavy metals Sewage treatment systems, stopping, fault alarm are the automatic control full-automatic unmanned on duty that S7300 type PLC realizes.Electric current for rectifier regulates automatically, electrochemical source of current regulates from motion tracking with the height change of Testing index value, make electrochemical source of current value all the time in threshold value, thus can when Testing index is up to standard, make electrochemistry forever with minimum service rating, thus realize saves energy and extend pole plate working time, effectively can improve the pole plate consumption waste in engineer applied of electrochemical heavy metals treatment process technology, the uneconomic defect of rectifier service rating, existing electrochemical heavy metals treatment facility pole plate work-ing life can be extended, reduce the energy consumption of electrochemical techniques process heavy metal wastewater thereby, improve security and the reliability of system cloud gray model, make electrochemical treatment process operation more rationally reliable, economical, operation control and management is easy.
The above is only the preferred embodiment of the present invention, protection scope of the present invention be not only confined to above-described embodiment, and all technical schemes belonged under thinking of the present invention all belong to protection scope of the present invention.It should be pointed out that for those skilled in the art, some improvements and modifications without departing from the principles of the present invention, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (4)
1., for an autocontrol method for electrochemical heavy metals Sewage treatment systems, it is characterized in that implementation step comprises:
1) the Testing index value of processed heavy metal containing sewage is obtained;
2) by relationship map mathematical model default for described Testing index value input, obtain making the output current value that the rectifier service rating of electrochemical heavy metals Sewage treatment systems is minimum, described relationship map mathematical model comprises Testing index value and mapping relations between the output current value making the rectifier service rating of electrochemical heavy metals Sewage treatment systems minimum;
3) described in the rectifier controlling electrochemical heavy metals Sewage treatment systems exports, the minimum output current value of rectifier service rating is run with minimum service rating to make electrochemical heavy metals Sewage treatment systems.
2. the autocontrol method for electrochemical heavy metals Sewage treatment systems according to claim 1, is characterized in that: described step 2) middle mapping relations between Testing index value and the output current value making the rectifier service rating of electrochemical heavy metals Sewage treatment systems minimum are as the formula (1);
y=250x（1）
In formula (1),
yrepresent the output current value making the rectifier service rating of electrochemical heavy metals Sewage treatment systems minimum, unit is A;
xrepresent the Testing index value of processed heavy metal containing sewage, unit is mg/L.
3. the autocontrol method for electrochemical heavy metals Sewage treatment systems according to claim 2, is characterized in that: in described step 1), the Testing index value of processed heavy metal containing sewage specifically refers to the mean value of the Testing index value of any one material in cadmium, arsenic, lead, zinc, thallium, sexavalent chrome, mercury, copper, nickel, cobalt, manganese or the Testing index value of more than one materials.
4. the autocontrol method for electrochemical heavy metals Sewage treatment systems according to claim 1 or 2 or 3, it is characterized in that, described step 2) also comprise the step of carrying out pole plate consumption detection according to rectifier output voltage, its detailed step comprises: the output voltage detecting rectifier in electrochemical heavy metals Sewage treatment systems in real time, described output voltage is consumed extreme voltage values with the pole plate preset compare, if described output voltage is more than or equal to default pole plate consume extreme voltage values, the rectifier then controlling electrochemical heavy metals Sewage treatment systems stops outward current, otherwise further described output voltage and the pole plate consumption alarm magnitude of voltage preset are compared, if described output voltage is more than or equal to default pole plate consumption alarm magnitude of voltage, then export pole plate and change guard signal.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105955327A (en) * | 2016-06-21 | 2016-09-21 | 中南大学 | Coordinated control method and apparatus of heavy metal waste water processing process |
| CN107500388A (en) * | 2017-08-22 | 2017-12-22 | 中南大学 | The control method and device of electrical conductivity in a kind of heavy metal wastewater thereby electrochemical treatment process |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1995032816A1 (en) * | 1994-05-27 | 1995-12-07 | Joergen Birger Jensen | Method and apparatus for the decontamination of products containing heavy metal |
| CN101084328A (en) * | 2004-11-02 | 2007-12-05 | 水处理有限责任公司 | Electronic components associated and apparatus for deionization and electrochemical purification and regeneration of electrodes |
| CN101203458A (en) * | 2005-04-06 | 2008-06-18 | Ars美国公司 | Method and apparatus for decontamination of fluid |
| CN102173483A (en) * | 2011-03-28 | 2011-09-07 | 常州宇众超导科技有限公司 | Wastewater electrochemical treatment device |
| TW201130743A (en) * | 2010-03-12 | 2011-09-16 | Univ Chaoyang Technology | System for optimizing performance of electrocoagulation tank using aluminum plate |
| CN103112928A (en) * | 2013-03-15 | 2013-05-22 | 中国水电顾问集团中南勘测设计研究院 | Polar plate arrangement system for heavy metal wastewater electrochemical treatment equipment and application method thereof |
| CN103896369A (en) * | 2014-04-11 | 2014-07-02 | 金松 | Electrochemical device for treating pollution caused by organic matters and inorganic matters in soil and underground water and application of electrochemical device |
-
2015
- 2015-04-09 CN CN201510164848.2A patent/CN104803452B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1995032816A1 (en) * | 1994-05-27 | 1995-12-07 | Joergen Birger Jensen | Method and apparatus for the decontamination of products containing heavy metal |
| CN101084328A (en) * | 2004-11-02 | 2007-12-05 | 水处理有限责任公司 | Electronic components associated and apparatus for deionization and electrochemical purification and regeneration of electrodes |
| CN101203458A (en) * | 2005-04-06 | 2008-06-18 | Ars美国公司 | Method and apparatus for decontamination of fluid |
| TW201130743A (en) * | 2010-03-12 | 2011-09-16 | Univ Chaoyang Technology | System for optimizing performance of electrocoagulation tank using aluminum plate |
| CN102173483A (en) * | 2011-03-28 | 2011-09-07 | 常州宇众超导科技有限公司 | Wastewater electrochemical treatment device |
| CN103112928A (en) * | 2013-03-15 | 2013-05-22 | 中国水电顾问集团中南勘测设计研究院 | Polar plate arrangement system for heavy metal wastewater electrochemical treatment equipment and application method thereof |
| CN103896369A (en) * | 2014-04-11 | 2014-07-02 | 金松 | Electrochemical device for treating pollution caused by organic matters and inorganic matters in soil and underground water and application of electrochemical device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105955327A (en) * | 2016-06-21 | 2016-09-21 | 中南大学 | Coordinated control method and apparatus of heavy metal waste water processing process |
| CN107500388A (en) * | 2017-08-22 | 2017-12-22 | 中南大学 | The control method and device of electrical conductivity in a kind of heavy metal wastewater thereby electrochemical treatment process |
| CN107500388B (en) * | 2017-08-22 | 2020-03-27 | 中南大学 | Method and device for controlling conductivity in electrochemical treatment process of heavy metal wastewater |
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