CN206089128U - Electrochemistry pH adjusting device - Google Patents
Electrochemistry pH adjusting device Download PDFInfo
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- CN206089128U CN206089128U CN201621129382.9U CN201621129382U CN206089128U CN 206089128 U CN206089128 U CN 206089128U CN 201621129382 U CN201621129382 U CN 201621129382U CN 206089128 U CN206089128 U CN 206089128U
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Abstract
The utility model belongs to electrochemistry and water treatment field relate to an electrochemistry pH adjusting device. Including electrolysis trough, DC power supply and automatic control device, separate into cathode chamber and anode chamber through amberplex in the middle of the electrolysis trough, there is the infusibility negative pole in the cathode chamber, it is continuous with DC power supply's negative pole, there is insoluble anode in the anode chamber, links to each other with the anodal of DC power supply, water piping connection is advanced with the cathode chamber in the cathode chamber bottom, and cathode chamber lateral wall or top and cathode chamber go out water piping connection, water piping connection is advanced with the anode chamber in the anode chamber bottom, and anode chamber lateral wall or top and anode chamber go out water piping connection, be provided with the flowmeter on cathode chamber inlet tube and the anode chamber inlet tube, be provided with the pH sensor on cathode chamber outlet pipe and the anode chamber outlet pipe, flowmeter, pH sensor and DC power supply are connected with automatic control device. This device can be according to flow and target pH, the size of automatically regulated electric current, and the accurate control goes out the pH of water.
Description
Technical field
This utility model belongs to electrochemistry and water treatment field, is related to a kind of electrochemistry pH regulator device.
Background technology
PH regulator is the process procedure commonly used in water treatment field.The method of traditional pH regulator is all acid adding, adds alkali,
Outfit acid storage tank, alkali storage tank, dosing pump, effusion meter, pipeline, valve, liquidometer, monitoring system etc. is needed to set in continuous production
Standby, and need periodically purchase, transport and fill acid, alkali, the volume of this mode not only equipment is big, control is complicated, and responds
Speed is slow, and frequency of maintenance is high, there is potential safety hazard.For specific field of employment, such as wilderness, desert, high mountain, ship, drilling well is put down
Platform, it is inferior, difficulty is big, risk factor is high for acid, the transport of alkali and storage.
Therefore, need a kind of simple structure badly, fast response time, frequency of maintenance are low, it is easy to installation and transportation, high degree of automation
PH regulator device.
The pH regulator instrument that patent CN201035420Y is disclosed, the salt bridge for using are unable to carrying high currents, and adjusting apparatus needs
Deenergization changes cathode and anode water, it is difficult to continuous to run.
PH regulator device disclosed by patent CN104884677A, does electrode using quasi- faraday's capacitance material, by electricity
Hold absorption specific ion, realize the regulation of pH, but as capacitive adsorption has saturation limit, need intermittent duty, by absorption
Ion is desorbed, and reuses.
Method disclosed by patent CN101193822A is arranged in pairs or groups with insoluble electrode using ionic adsorption electrode, by inhaling
The water of saliferous is prepared diluted acid or diluted alkaline by the mode of attached-electrolysis.This pattern can only intermittent duty, and be only used for without suspended things
Water, be not suitable for the sewage containing Organic substance and solid suspended things, waste water.
Utility model content
Technical problem to be solved in the utility model there is provided a kind of electrochemistry pH regulator device.Electrochemistry pH is adjusted
Regulating device can continuous/precise control water outlet pH, and can be worked with high current, Automated condtrol；The electrochemistry pH regulator device is not
Chemical agent is needed, waste water, clean environment firendly is not produced；The electrochemistry pH regulator device can be used for not containing machine thing and suspended things
Water, it can also be used to the water containing Organic substance and suspended things.
Device described in the utility model is achieved through the following technical solutions：
This utility model provides one kind and is based on electrochemistry pH regulator device, including electrolysis bath, DC source and control automatically
Device processed；
Cathode chamber and anode chamber are separated into by ion exchange membrane in the middle of the electrolysis bath, in the negative electrode room, has insoluble
Negative electrode, is connected with the negative pole of DC source, has insoluble anode, be connected with the positive pole of DC source in the anode room；
The cathode chamber bottom is connected with cathode chamber water inlet pipe, and cathode chamber side wall or top are connected with cathode chamber outlet pipe；
The anode chamber bottom is connected with anode chamber's water inlet pipe, and anode chamber side wall or top are connected with anode chamber's outlet pipe；
Effusion meter, the cathode chamber outlet pipe and anode chamber are provided with the cathode chamber water inlet pipe and anode chamber's water inlet pipe
PH sensors are provided with outlet pipe, the effusion meter, pH sensors and DC source are all connected with automaton.
The operation principle of this utility model pH regulator device is：
Water can occur electrochemical reaction on insoluble anode surface（1）, electrification can occur in insoluble cathode surface
Learn reaction（2）：
H2O - 2e - → 2H+ + 1/2O2↑………………………（1）
2H2O + 2e - → 2OH- + H2↑…………………………（2）
Therefore, when aqueous fluid flows through insoluble anode, H+Concentration is raised, and pH is reduced；Meanwhile, flow through insoluble negative electrode
Aqueous fluid, OH-Concentration is raised, and pH is raised.
As a kind of preferred, between the cathode chamber and cathode chamber water inlet pipe, there are a tubaeform negative electrode chamber inlet, the sun
There are a tubaeform Anode chamber inlets between pole room and anode chamber's water inlet pipe so that the water inlet current of cathode chamber and anode chamber are more equal
It is even.
As a kind of preferred, between the cathode chamber and cathode chamber outlet pipe, there are a tubaeform cathode chamber outlet, the sun
There is a tubaeform anode compartment outlet between pole room and anode chamber's outlet pipe so that the water outlet current of cathode chamber and anode chamber are more equal
It is even.
The anode and negative electrode using the pole plate with horizontal through hole, the position of electrode can be positioned over ion exchange membrane and
Optional position between cell body, as shown in the cross-sectional view of Fig. 3 electrolysis baths.
, using the not pole plate with horizontal through hole, the position of electrode should be near cell body, such as Fig. 4 electrolysis for the anode and negative electrode
Shown in the cross-sectional view of groove.
The anode, negative electrode adopt different electrode materials, its Anodic to can select common titanium according to PH controlled plants
Base lead dioxide electrode, class DSA（The steady coated electrode of titanio shape）Electrode and graphite electrode, negative electrode can select metal and its alloy, no
Rust steel and graphite electrode.
The ion exchange membrane, is mainly to provide ionic transport passages, and separates the effect of anode chamber and cathode chamber, and which needs
Want certain intensity.
Described electrolytic cell body needs certain intensity, can be made using polrvinyl chloride, polyethylene or polypropylene material.
When a kind of electrochemistry pH regulator device of this utility model works, target pH is set on automaton, is located at
The effusion meter and the pH sensors positioned at cathode chamber outlet pipe and anode chamber's outlet pipe of cathode chamber water inlet pipe and anode chamber's water inlet pipe
Signal is uploaded to into automaton, control device automatically adjusts the output current size of DC source automatically.Need to adjust pH
Water anode chamber is entered by anode chamber's water inlet pipe, after electrolysis, pH drops to desired value, and from anode chamber's water outlet pipe flow
Go out；The water for adjusting pH is needed to enter cathode chamber by cathode chamber water inlet pipe, after electrolysis, pH rises to desired value, and from the moon
Pole room outlet pipe flows out.
When a kind of electrochemistry pH regulator device of this utility model works, when anode chamber side is only used, cathode chamber water inlet
The pH sensors of the effusion meter and cathode chamber outlet pipe of pipe can not be installed, while cathode chamber can use tap water or saliferous
Water, and control flow so as to water outlet pH reaches the value of needs, uses as sig water；When cathode chamber side is only used, anode
The pH sensors of the effusion meter and anode chamber's outlet pipe of room water inlet pipe can not be installed, while anode chamber with tap water or can contain
The water of salt, and control flow so as to water outlet pH reaches the value of needs, uses as pickle.
A kind of electrochemistry pH regulator device of this utility model, can automatically adjust power supply output according to flow and target pH
The size of electric current, the pH of precise control water outlet, it has compact conformation, small volume, fast response time, need not add the spies such as medicament
Point.
Description of the drawings
A kind of structural representations of the Fig. 1 for electrochemistry pH regulator device.
Another kind of structural representations of the Fig. 2 for electrochemistry pH regulator device.
Fig. 1,1- cathode chambers outlet pipe in 2,2-pH sensors, 3- cathode chamber outlets, 4- electrolytic cell bodies, 5- negative electrodes, 6-
Cathode chamber, 7- negative electrode chamber inlets, 8- effusion meters, 9- cathode chamber water inlet pipes, 10- anode chambers water inlet pipe, 11- Anode chamber inlets, 12-
Anode chamber, 13- ion exchange membranees, 14- anodes, 15- anode compartment outlets, 16- anode chambers outlet pipe, 17- power supplys, 18- are controlled automatically
Device processed.
Fig. 3, is a kind of cross-sectional view of electrochemistry pH regulator device electrolysis bath of this utility model.
Fig. 4, is a kind of cross-sectional view of electrochemistry pH regulator device electrolysis bath of this utility model.
Specific embodiment
As shown in Figure 1, this utility model provides one kind and is based on electrochemistry pH regulator device, including electrolysis bath, direct current
Power supply and automaton；
Cathode chamber and anode chamber are separated into by ion exchange membrane in the middle of the electrolysis bath, in the negative electrode room, has insoluble
Negative electrode, is connected with the negative pole of DC source, has insoluble anode, be connected with the positive pole of DC source in the anode room；
The cathode chamber bottom is connected with cathode chamber water inlet pipe, and cathode chamber side wall or top are connected with cathode chamber outlet pipe；
The anode chamber bottom is connected with anode chamber's water inlet pipe, and anode chamber side wall or top are connected with anode chamber's outlet pipe；
Effusion meter, the cathode chamber outlet pipe and anode chamber are provided with the cathode chamber water inlet pipe and anode chamber's water inlet pipe
PH sensors are provided with outlet pipe, the effusion meter, pH sensors and DC source are all connected with automaton.
As a kind of preferred, between the cathode chamber and cathode chamber water inlet pipe, there are a tubaeform negative electrode chamber inlet, the sun
There are a tubaeform Anode chamber inlets between pole room and anode chamber's water inlet pipe so that the water inlet current of cathode chamber and anode chamber are more equal
It is even.
The insoluble anode, insoluble negative electrode, adopt different electrode materials according to controlled plant, wherein insoluble sun
Common titanio lead dioxide electrode, class DSA are can select extremely（The steady coated electrode of titanio shape）Electrode and graphite electrode, insoluble negative electrode
Optional metal and its alloy, rustless steel and graphite electrode.
The ion exchange membrane, is mainly to provide ionic transport passages, and separates the effect of anode chamber and cathode chamber, and which needs
Want certain intensity.
The negative electrode chamber inlet and Anode chamber inlets are located at cathode chamber and anode chamber lower end respectively, intake with cathode chamber respectively
Pipe is connected with anode chamber's water inlet pipe.
The cathode chamber outlet pipe and anode chamber's outlet pipe are located at cathode chamber and anode chamber electrolytic cell body upper end respectively.
Described electrolysis bath, plate supports plate, certain intensity is required for, can be made using identical material, such as be poly-
Vinyl chloride, polyethylene or polypropylene material.
The effusion meter can adopt worm gear effusion meter, snail street effusion meter or electromagnetic flowmeter.
The automaton adopts PLC control system and electronic implementation mechanism (or PLC control system and variable-frequency electric
Machine, converter).
This utility model is further described with reference to embodiment.
Embodiment 1：Certain pharmacy waste water of pH=11 is adjusted to pH=3.3
Certain pharmacy waste water of pH=11 enters sun by a kind of anode chamber's water inlet pipe of electrochemistry pH regulator device shown in Fig. 1
Pole room, the flow for adjusting anode chamber's water inlet pipe are 0.5m3Signal is uploaded to control automatically by/h, the pH sensors of anode chamber's outlet pipe
Device processed, now, the electricity corresponding relation given with DC source by pH value is as shown in table 1.
According to the data of table 1, if certain pharmacy waste water of pH=11 is adjusted to pH=3.3, required electricity is 238Ah/
m3, flow is 0.5m3During/h, electric current=119A is adjusted.
Now, the pH regulator device can be used for the presetting pH steps of above-mentioned waste water chemistry Fenton technology, replace traditional adding
Acid system.
Table 1
| Electricity（Ah/m3） | pH | Flow（m3/h） | Electric current（A） |
| 0 | 11 | 0.5 | 0 |
| 104 | 7.1 | 0.5 | 52 |
| 238 | 3.3 | 0.5 | 119 |
| 357 | 2.9 | 0.5 | 128.5 |
| 505 | 2.7 | 0.5 | 252.5 |
| 631 | 2.6 | 0.5 | 315.5 |
Embodiment 2：Certain wastewater from chemical industry of pH=3 is adjusted to 7.2
Cathode chamber water inlet pipe Jing cathode chamber of certain wastewater from chemical industry of pH=3 by a kind of electrochemistry pH regulator device shown in Fig. 2
Entrance enters cathode chamber, and the current settings of DC source are 60A, and signal is uploaded to automatically by the pH sensors of cathode chamber outlet pipe
Control device, now, pH value is as shown in table 2 with the corresponding relation of the flow of cathode chamber water inlet pipe.
According to the data of table 2, certain wastewater from chemical industry of pH=3 is adjusted to 7.2, required electricity is 128 Ah/m3If, it is electric
Stream is set as 60 A, then need to be only 0.47 m by Flow-rate adjustment3/ h.
Now, the pH regulator device may replace the system that tradition plus alkali adjust pH.
Table 2
| Electricity（Ah/m3） | pH | Flow（m3/h） | Electric current（A） |
| 0 | 3 | 0.50 | 0 |
| 128 | 7.2 | 0.47 | 60 |
| 233 | 11.1 | 0.26 | 60 |
| 357 | 11.4 | 0.17 | 60 |
This utility model（Or utility model）The electrolysis bath is applied not only to the pH regulator in wastewater treatment, is additionally operable to chemical industry
PH regulator in production.
Claims (8)
1. a kind of electrochemistry pH regulator device, it is characterised in that including electrolysis bath, DC source and automaton；
Cathode chamber and anode chamber are separated into by ion exchange membrane in the middle of the electrolysis bath, in the negative electrode room, has insoluble the moon
Pole, is connected with the negative pole of DC source, has insoluble anode, be connected with the positive pole of DC source in the anode room；
The cathode chamber bottom is connected with cathode chamber water inlet pipe, and cathode chamber side wall or top are connected with cathode chamber outlet pipe；It is described
Anode chamber bottom is connected with anode chamber's water inlet pipe, and anode chamber side wall or top are connected with anode chamber's outlet pipe；
Effusion meter, the cathode chamber outlet pipe and anode chamber's water outlet are provided with the cathode chamber water inlet pipe and anode chamber's water inlet pipe
PH sensors are provided with pipe, the effusion meter, pH sensors and DC source are all connected with automaton.
2. electrochemistry pH regulator device according to claim 1, it is characterised in that the cathode chamber and cathode chamber water inlet pipe
Between have a tubaeform negative electrode chamber inlet, have a tubaeform Anode chamber inlets between the anode chamber and anode chamber's water inlet pipe.
3. electrochemistry pH regulator device according to claim 1 and 2, it is characterised in that the cathode chamber is gone out with cathode chamber
There is a tubaeform cathode chamber outlet between water pipe, between the anode chamber and anode chamber's outlet pipe, have a tubaeform anode chamber to go out
Mouthful.
4. electrochemistry pH regulator device according to claim 1 and 2, it is characterised in that the insoluble anode and insoluble
Property negative electrode is using the pole plate with or without horizontal through hole.
5. electrochemistry pH regulator device according to claim 1 and 2, it is characterised in that the insoluble anode selects titanium
Base lead dioxide electrode, the steady coated electrode of titanio shape or graphite electrode, the insoluble negative electrode select rustless steel or graphite electrode.
6. electrochemistry pH regulator device according to claim 1 and 2, it is characterised in that described electrolytic cell body is adopted
Polrvinyl chloride, polyethylene or polypropylene material.
7. electrochemistry pH regulator device according to claim 1 and 2, it is characterised in that the effusion meter adopts worm gear stream
Gauge, snail street effusion meter or electromagnetic flowmeter.
8. electrochemistry pH regulator device according to claim 1 and 2, it is characterised in that the automaton is adopted
PLC control system and electronic implementation mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621129382.9U CN206089128U (en) | 2016-10-17 | 2016-10-17 | Electrochemistry pH adjusting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621129382.9U CN206089128U (en) | 2016-10-17 | 2016-10-17 | Electrochemistry pH adjusting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206089128U true CN206089128U (en) | 2017-04-12 |
Family
ID=58483538
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| CN201621129382.9U Active CN206089128U (en) | 2016-10-17 | 2016-10-17 | Electrochemistry pH adjusting device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111423035A (en) * | 2020-05-07 | 2020-07-17 | 西安西热水务环保有限公司 | Chemical-free electric method combined treatment process system and method for circulating water of thermal power plant |
| CN114634262A (en) * | 2022-04-02 | 2022-06-17 | 南京大学 | Method for removing chlorohydrocarbons in underground water through stepwise electrocatalytic dechlorination degradation |
| CN114715981A (en) * | 2022-04-18 | 2022-07-08 | 天津市环境保护技术开发中心设计所有限责任公司 | Water pH treatment device and method without adding acid-base medicament |
| CN111423035B (en) * | 2020-05-07 | 2024-04-26 | 西安西热水务环保有限公司 | Combined treatment process system and method for circulating water of thermal power plant through chemical-free electrotechnology |
-
2016
- 2016-10-17 CN CN201621129382.9U patent/CN206089128U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111423035A (en) * | 2020-05-07 | 2020-07-17 | 西安西热水务环保有限公司 | Chemical-free electric method combined treatment process system and method for circulating water of thermal power plant |
| WO2021223369A1 (en) * | 2020-05-07 | 2021-11-11 | 西安西热水务环保有限公司 | Chemical-free electric method combined treatment process system and method for circulating water of thermal power plant |
| CN111423035B (en) * | 2020-05-07 | 2024-04-26 | 西安西热水务环保有限公司 | Combined treatment process system and method for circulating water of thermal power plant through chemical-free electrotechnology |
| CN114634262A (en) * | 2022-04-02 | 2022-06-17 | 南京大学 | Method for removing chlorohydrocarbons in underground water through stepwise electrocatalytic dechlorination degradation |
| US11866352B2 (en) | 2022-04-02 | 2024-01-09 | Nanjing University | Method for removing chlorinated hydrocarbons in groundwater through step-by-step electrocatalytic dechlorination degradation |
| CN114715981A (en) * | 2022-04-18 | 2022-07-08 | 天津市环境保护技术开发中心设计所有限责任公司 | Water pH treatment device and method without adding acid-base medicament |
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