CN110563097A - Industrial circulating water electrolysis side filtering device and industrial circulating water side filtering method - Google Patents
Industrial circulating water electrolysis side filtering device and industrial circulating water side filtering method Download PDFInfo
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- CN110563097A CN110563097A CN201910941474.9A CN201910941474A CN110563097A CN 110563097 A CN110563097 A CN 110563097A CN 201910941474 A CN201910941474 A CN 201910941474A CN 110563097 A CN110563097 A CN 110563097A
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/46104—Devices therefor; Their operating or servicing
- C02F1/46109—Electrodes
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/467—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction
- C02F1/4672—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction by electrooxydation
- C02F1/4674—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction by electrooxydation with halogen or compound of halogens, e.g. chlorine, bromine
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/46104—Devices therefor; Their operating or servicing
- C02F1/46109—Electrodes
- C02F2001/46119—Cleaning the electrodes
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/02—Non-contaminated water, e.g. for industrial water supply
- C02F2103/023—Water in cooling circuits
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/04—Disinfection
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
Abstract
The utility model provides a side filter equipment of industry circulating water electrolysis, includes circulating pump and electrolysis trough, negative plate, anode plate staggered arrangement in the electrolysis trough, the anode plate sets up respectively in the positive pole room that matches, and the anode chamber is on a parallel with the both sides face of anode plate for the diaphragm, the negative plate matches and is provided with the scraper. Aiming at the characteristics of high alkalinity, serious scaling and unsuitability for chemical preparations of circulating cooling water, the invention purposefully adopts an electrolysis mode to separate cations mainly containing calcium and magnesium ions from anions mainly containing chloride ions in the circulating water. The anion in the acid effluent of the anode water outlet pipe is oxidized to generate hypochlorite, so that a composite strong oxidant is formed, and the composite strong oxidant can be sterilized and used for killing algae after entering the circulating water tank to balance the pH value; cations in the alkaline effluent of the cathode water outlet pipe are precipitated and removed in the sedimentation tank, and then the alkaline effluent returns to the circulating water tank, so that the ions contained in the treated circulating water are remarkably reduced.
Description
Technical Field
The invention relates to a filtering device, in particular to an industrial circulating water electrolysis side filtering device and an industrial circulating water side filtering method.
background
Nowadays, many industrial equipments employ circulating water cooling equipment, which is cooled by the evaporation and heat absorption of water. Because the evaporation capacity is large, the ion content in the circulating water is continuously improved, and a large amount of scale is easy to form to influence the operation of equipment. In order to reduce the ion content, only continuous water drainage and water supplement are carried out at present, but the method wastes water resources and has poor effect. If a general chemical method is adopted, a large amount of precipitates are formed, the cleaning is difficult, the corrosion of equipment is easy to cause, the failure rate is increased, and the service life is shortened.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides an industrial circulating water electrolysis side filtering device.
The technical scheme adopted by the invention is as follows: the utility model provides a other device of straining of industrial circulating water electrolysis, includes circulating pump and electrolysis trough, is provided with negative plate, anode plate in the electrolysis trough, negative plate, anode plate staggered arrangement in the electrolysis trough, the anode plate sets up respectively in the positive pole room of matching, the anode chamber be provided with the inside positive pole inlet opening of intercommunication of electrolysis trough and with the outside positive pole outlet pipe of intercommunication of electrolysis trough, the electrolysis trough is provided with water inlet and negative pole outlet pipe, the anode chamber is on a parallel with the both sides face of anode plate for the diaphragm, the negative plate matching is provided with the scraper.
The electrolytic side filtering device for the industrial circulating water is characterized in that: the scraper is arranged on the connecting frame, and the connecting frame is fixedly connected with a piston rod of the air cylinder.
The electrolytic side filtering device for the industrial circulating water is characterized in that: and a slag discharge port is arranged at the bottom of the electrolytic cell and communicated with the lime concentration tank.
The electrolytic side filtering device for the industrial circulating water is characterized in that: the cathode water outlet pipe is connected with the precipitation reaction tank, and the lifting pump is arranged between the circulating water tank and the water inlet.
The electrolytic side filtering device for the industrial circulating water is characterized in that: the bottom of the precipitation reaction tank is provided with a drain outlet, and the slag outlet is communicated with the lime concentration tank.
An industrial circulating water side filtering method comprises the following steps:
step one, leading the circulating water in the circulating water pool into an electrolytic bath provided with a cathode plate and an anode plate; step two, anode plates and cathode plates are arranged in a staggered mode, the anode plates are respectively arranged in matched anode chambers, diaphragms are arranged on two sides of each anode chamber, the part of the electrolytic cell out of the anode chamber is a cathode chamber, circulating water is divided into two paths in the electrolytic cell, one path of circulating water passes through the cathode plate in the electrolytic cell and is discharged through a cathode water outlet pipe, the other path of circulating water passes through the anode plate in the anode chamber and is discharged through an anode water outlet pipe, the anode plate attracts anions mainly containing chloride ions in the circulating water in the electrolytic cell, the cathode plate attracts cations mainly containing calcium and magnesium ions in the circulating water in the electrolytic cell, and the anions and the cations drift through the diaphragms, so that the cations are gathered in the cathode chamber and the; step three: circulating water in the cathode chamber is discharged into the precipitation reaction tank through the cathode water outlet pipe, finally flows back to the circulating water tank after precipitation, and circulating water in the anode chamber flows back to the circulating water tank through the anode water outlet pipe.
The invention aims at the characteristics of high alkalinity, serious scaling and unsuitability for chemical preparations of the circulating cooling water, and purposefully adopts an electrolysis mode to separate cations mainly comprising calcium and magnesium ions from anions mainly comprising chloride ions in the circulating water, and the electrolytic cell is provided with a cathode water outlet pipe and an anode water outlet pipe communicated with the anode chamber to thoroughly separate the anions and the cations. The anion in the acid effluent of the anode water outlet pipe is oxidized to generate hypochlorite, so that a composite strong oxidant is formed, and the composite strong oxidant can be sterilized and used for killing algae after entering the circulating water tank to balance the pH value; cations in the alkaline effluent of the cathode water outlet pipe are precipitated and removed in the sedimentation tank, and then the alkaline effluent returns to the circulating water tank, so that the ions contained in the treated circulating water are remarkably reduced. The negative plate is matched with a scraper which periodically scrapes scale formed on the surface of the plate by calcium and magnesium plasma, so that the plate keeps high-efficiency operation, and the ion number in the circulating water can be kept at a low level even if the plate is used for a long time.
drawings
FIG. 1 is a schematic view showing the piping connection of each apparatus of the present invention;
FIG. 2 is a schematic view of the structure of the electrolytic cell of the present invention;
FIG. 3 is a schematic diagram of the structure of the electrolytic cell of the present invention.
In the figure: 1-electrolytic tank, 11-cathode plate, 12-anode plate, 121-anode chamber, 122-anode inlet hole, 123-anode outlet pipe, 124-diaphragm, 13-water inlet, 14-cathode outlet pipe, 15-slag discharge port, 16-scraper, 161-connecting frame, 162-driving cylinder, 163-mounting frame body, 2-circulating pump, 3-lime concentration tank, 4-precipitation reaction tank, 41-sewage discharge port, 5-cooling tower and 6-circulating water tank.
Detailed Description
The utility model provides a side filter equipment of industry circulating water electrolysis, includes electrolysis trough 1, circulating pump 2, lime concentration pond 3, precipitation reaction pond 4. As shown in fig. 1, in this embodiment, the equipment requiring the filtration of the circulating water is cooling tower equipment provided with a cooling tower 5 and a circulating water tank 6.
as shown in fig. 2 and 3, the cathode plates 11 inside the electrolytic cell 1, the anode plates 12 are arranged in a staggered manner, each anode plate is provided with an independent anode chamber 121, the electrolytic cell 1 is provided with a water inlet 13 and a cathode water outlet pipe 14 which are communicated with a circulating water tank 6, a circulating pump 2 is arranged between the circulating water tank 6 and the water inlet 13, the anode chamber 121 is provided with an anode water inlet hole 122 and an anode water outlet pipe 123, wherein the anode water inlet hole 122 is communicated with the inside of the electrolytic cell 1, the anode water outlet pipe 123 extends out of the electrolytic cell 1 and is directly communicated with the outside, the anode chamber water outlet pipes of different anode chambers converge in a header pipe, and the. Every negative plate matching is provided with two scrapers 16, corresponds the polar plate two sides respectively, and scraper 16 installs in cylinder 162 piston rod tip through connecting frame 161, and 16 initial positions of scraper are located electrolysis trough liquid level top, avoid the corrosion, and cylinder 162 inverts, and the cylinder piston rod stretches out downwards, and on the cylinder body was fixed in the fixed mounting support body that corresponds, cylinder model and quantity were decided according to the concrete model of equipment, is one in the schematic diagram.
As shown in fig. 1, the anode water outlet pipe 123 is connected with the precipitation reaction tank 4, the slag discharge port 15 is connected with the lime concentration tank 3, the precipitation reaction tank 4 is provided with a drain port 41 capable of being controlled to be opened and closed, and the drain port 41 is communicated with the lime concentration tank 3. The slag discharge port 15 and the sewage discharge port 41 can adopt an automatic gate valve, an automatic butterfly valve or valves with similar structure functions.
When filtering, the circulating pump 2 is electrified with the cathode plate and the anode plate to start, the circulating water in the circulating water tank enters the electrolytic tank 6 through the circulating pump 2, in the electrolytic tank 6, anions mainly containing chloride ions are attracted by the anode plate, enter the anode chamber and are discharged from the anode water outlet pipe 123, cations mainly containing calcium ions and magnesium ions are attracted by the cathode plate and are discharged from the cathode water outlet pipe 14.
The liquid discharged from the anode water outlet pipe directly flows back to the circulating water tank 6, in the circulation, chloride ions are oxidized to generate a composite substance containing hypochlorite, the composite substance has strong oxidizing property, sterilization and low PH value, and after the liquid flows back to the circulating water tank 6, the liquid can not only kill bacteria and algae in water, but also adjust the acid-base balance in the water; the liquid discharged from the cathode water outlet pipe flows into a precipitation reaction tank 4, a large amount of calcium and magnesium ions are removed through precipitation, then the liquid flows into a circulating water tank 6, a drain outlet 41 at the bottom of the precipitation reaction tank is opened periodically, and the bottom precipitate is discharged into a lime concentration tank 3.
in the process of ionizing circulating water, the surface of the negative plate is very easy to scale, and the working efficiency of the negative plate is very influenced, so that the air cylinder is started at intervals to ensure that a piston rod of the air cylinder reciprocates once in a specified stroke, and the corresponding scraper scrapes scales on the surface of the negative plate in a vertical reciprocating manner, so that the polar plate always keeps a large effective working surface by setting a proper interval time, and the high-efficiency operation of equipment is kept. The scale removed by the scraper finally sinks to the bottom of the electrolytic cell, and when more scale is accumulated at the bottom, the slag discharge port 15 is opened to discharge the scale into the lime concentration tank 3. The lime concentrating pool is cleaned regularly.
Claims (6)
1. The utility model provides a device is strained to other side of industry circulating water electrolysis, includes circulating pump and electrolysis trough, is provided with the negative plate in the electrolysis trough, anode plate, characterized by: the electrolytic cell is characterized in that the cathode plates and the anode plates in the electrolytic cell are arranged in a staggered mode, the anode plates are respectively arranged in matched anode chambers, the anode chambers are provided with anode water inlet holes communicated with the inside of the electrolytic cell and anode water outlet pipes communicated with the outside of the electrolytic cell, the electrolytic cell is provided with a water inlet and a cathode water outlet pipe, two side faces, parallel to the anode plates, of the anode chambers are diaphragms, and scrapers are arranged on the cathode plates in a matched mode.
2. The electrolytic side filtration device for industrial circulating water as claimed in claim 1, wherein: the scraper is arranged on the connecting frame, and the connecting frame is fixedly connected with a piston rod of the air cylinder.
3. the electrolytic side filtration device for industrial circulating water as claimed in claim 1 or 2, wherein: and a slag discharge port is arranged at the bottom of the electrolytic cell and communicated with the lime concentration tank.
4. The electrolytic side filtration device for industrial circulating water as claimed in claim 1 or 2, wherein: the cathode water outlet pipe is connected with the precipitation reaction tank, and the lifting pump is arranged between the circulating water tank and the water inlet.
5. The electrolytic side filtration device for industrial circulating water as claimed in claim 4, wherein: the bottom of the precipitation reaction tank is provided with a drain outlet, and the slag outlet is communicated with the lime concentration tank.
6. A side filtration method of industrial circulating water is characterized in that: the method comprises the following steps:
Step one, leading the circulating water in the circulating water pool into an electrolytic bath provided with a cathode plate and an anode plate;
Step two, anode plates and cathode plates are arranged in a staggered mode, the anode plates are respectively arranged in matched anode chambers, diaphragms are arranged on two sides of each anode chamber, the part of the electrolytic cell out of the anode chamber is a cathode chamber, circulating water is divided into two paths in the electrolytic cell, one path of circulating water passes through the cathode plate in the electrolytic cell and is discharged through a cathode water outlet pipe, the other path of circulating water passes through the anode plate in the anode chamber and is discharged through an anode water outlet pipe, the anode plate attracts anions mainly containing chloride ions in the circulating water in the electrolytic cell, the cathode plate attracts cations mainly containing calcium and magnesium ions in the circulating water in the electrolytic cell, and the anions and the cations drift through the diaphragms, so that the cations are gathered in the cathode chamber and the;
Step three: circulating water in the cathode chamber is discharged into the precipitation reaction tank through the cathode water outlet pipe, finally flows back to the circulating water tank after precipitation, and circulating water in the anode chamber flows back to the circulating water tank through the anode water outlet pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910941474.9A CN110563097A (en) | 2019-09-30 | 2019-09-30 | Industrial circulating water electrolysis side filtering device and industrial circulating water side filtering method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910941474.9A CN110563097A (en) | 2019-09-30 | 2019-09-30 | Industrial circulating water electrolysis side filtering device and industrial circulating water side filtering method |
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| CN110563097A true CN110563097A (en) | 2019-12-13 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111924938A (en) * | 2020-06-22 | 2020-11-13 | 西安交通大学 | Electrochemical method for removing calcium ions in brine and recycling calcium carbonate |
| CN113003689A (en) * | 2021-03-30 | 2021-06-22 | 南京御水科技有限公司 | Industrial circulating water's quick settlement device |
| CN113651415A (en) * | 2021-08-26 | 2021-11-16 | 同济大学 | MEC reaction system for strengthening anaerobic digestion |
| WO2022101803A1 (en) * | 2020-11-11 | 2022-05-19 | Dynamic Water Technologies Global, LLC | Surface cleaning mechanisms and methods |
| CN118388057A (en) * | 2024-06-26 | 2024-07-26 | 成都飞创科技有限公司 | Electrochemical water treatment system based on circulating water bypass system |
-
2019
- 2019-09-30 CN CN201910941474.9A patent/CN110563097A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111924938A (en) * | 2020-06-22 | 2020-11-13 | 西安交通大学 | Electrochemical method for removing calcium ions in brine and recycling calcium carbonate |
| CN111924938B (en) * | 2020-06-22 | 2021-11-19 | 西安交通大学 | Electrochemical method for removing calcium ions in brine and recycling calcium carbonate |
| WO2022101803A1 (en) * | 2020-11-11 | 2022-05-19 | Dynamic Water Technologies Global, LLC | Surface cleaning mechanisms and methods |
| US11794226B2 (en) | 2020-11-11 | 2023-10-24 | Dynamic Water Technologies Global, L.L.C. | Surface cleaning mechanisms and methods |
| CN113003689A (en) * | 2021-03-30 | 2021-06-22 | 南京御水科技有限公司 | Industrial circulating water's quick settlement device |
| CN113651415A (en) * | 2021-08-26 | 2021-11-16 | 同济大学 | MEC reaction system for strengthening anaerobic digestion |
| CN118388057A (en) * | 2024-06-26 | 2024-07-26 | 成都飞创科技有限公司 | Electrochemical water treatment system based on circulating water bypass system |
| CN118388057B (en) * | 2024-06-26 | 2024-09-20 | 成都飞创科技有限公司 | Electrochemical water treatment system based on circulating water bypass system |
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