CN216472647U - Novel electrocoagulation filtering device and raw water filtering equipment - Google Patents

Abstract

The utility model relates to a novel electrocoagulation filtering device and raw water filtering equipment, wherein the novel electrocoagulation filtering device comprises: the filter comprises a vertically arranged filter cylinder body and is used for accommodating raw water to be filtered; a filter material layer is arranged in the filter cylinder body, the top of the filter cylinder body is provided with a water inlet, and the bottom of the filter cylinder body is provided with a water outlet; the electrocoagulator is arranged at the top end of the filter cylinder body; the device comprises a power supply controller, an anode and a cathode; the anode and the cathode are made of metal aluminum plates or iron plates, and the tail ends of the anode and the cathode are respectively inserted into raw water of the filter cylinder; the power supply controller is an automatic reverse-pole rectifying device and is used for supplying power to the anode and the cathode to carry out electrolytic reaction. Through the arrangement, the problems of low filtration efficiency and high equipment cost investment of the pretreatment device in the existing raw water filtration technology can be solved.

Description

A new type of electrocoagulation filtration device and raw water filtration equipment

technical field

The utility model relates to the technical field of raw water filtration, in particular to a novel electrocoagulation filtration device and raw water filtration equipment.

Background technique

In the current pure water treatment technology, water can be purified by various methods to obtain water quality that meets the requirements, such as pre-filter unit, electrodeionization method, reverse osmosis, EDI system, ion exchange and other water treatment unit technologies Advanced treatment of raw water can effectively remove particulate matter, suspended solids, pigments, colloids, heavy metals, bacterial microorganisms, some organic matter, and most of the ions in raw water.

In order to reduce the operating pressure of reverse osmosis and ion exchange, it is necessary to improve the processing capacity of the previous treatment.

However, in the currently used raw water filtration devices, most of the pretreatment devices only meet part of the requirements, or need to invest more equipment to improve the efficiency of the previous treatment. Therefore, it cannot meet the needs of removing suspended solids, pigments, colloids, heavy metals, microorganisms, organic substances and other substances in the raw water, so that the service life of the core components in the post-processing equipment cannot be guaranteed.

Utility model content

In order to solve the above-mentioned technical problems, the purpose of this utility model is to provide a new type of electrocoagulation filter device and raw water filtration equipment. high question.

In order to achieve one of the purposes of the above utility model, an embodiment of the present utility model provides a novel electrocoagulation filter device, comprising:

The filter includes a vertically arranged filter cylinder for accommodating raw water to be filtered; a filter material layer is arranged in the filter cylinder, the top of the filter cylinder is provided with a water inlet, and the bottom is provided with a water inlet. There is a water outlet;

The electrocoagulator is located at the top of the filter cylinder; it includes a power supply controller, an anode and a cathode; the anode and the cathode are metal aluminum plates or iron plates, and the ends of the anode and the cathode are both They are respectively inserted into the raw water of the filter cylinder; the power supply controller is an automatic reverse-polarity rectifier device, which is used for supplying power to both the anode and the cathode for electrolysis reaction.

As a further improvement of an embodiment of the present utility model, the novel electrocoagulation filter device further includes a residual chlorine detector and a control valve group; the residual chlorine detector is arranged at the position of the water outlet to detect the quality of the effluent; The control valve group is connected to the water outlet, and the control valve group includes a backwash valve, which is used for backwashing according to water quality detection conditions.

As a further improvement of an embodiment of the present invention, the top of the filter cylinder is also provided with a water distributor and an air outlet; the water distributor is arranged in the filter cylinder and connected below the water inlet ; The gas release port is used to discharge the gas produced by electrolysis.

As a further improvement of an embodiment of the present invention, the bottom of the filter cylinder is also provided with a filter plate and a water cap; the filter plate is erected on the arc-shaped bottom of the filter cylinder, and the water cap is uniform Arranged on the filter plate, the filter material layer is stacked on the filter plate.

As a further improvement of an embodiment of the present invention, the bottom outer wall of the filter cylinder is provided with a discharge port, which is communicated with the filter material layer.

As a further improvement of an embodiment of the present invention, the novel electrocoagulation filter device further includes a water outlet water quantity detector for detecting the water production quantity.

As a further improvement of an embodiment of the present invention, the novel electrocoagulation filter device further includes a pH adjustment device for adjusting the pH value in the filter cylinder.

An embodiment of the present invention also provides a raw water filtration device, including the novel electrocoagulation filtration device described in any of the above.

As a further improvement of an embodiment of the present invention, the raw water filtration equipment further includes a raw water pump and a raw water quality detector; the raw water pump is connected to the water inlet for conveying raw water.

As a further improvement of an embodiment of the present invention, the raw water filtration equipment further includes reverse osmosis equipment, EDI equipment, and ion exchange equipment, and the reverse osmosis equipment is connected to the novel electrocoagulation filtration device.

Compared with the prior art, the beneficial effects of the present utility model are:

The raw water in the filter is subjected to electro-coagulation water treatment through the electrification and electrolysis of the electro-coagulator;

The utility model has the advantages of low energy consumption, convenient operation and high efficiency, and can effectively remove suspended solids, pigments and heavy metals in water, and at the same time reduce the content of microorganisms in water.

Description of drawings

In order to illustrate the technical solutions in the embodiments of the present utility model more clearly, the following briefly introduces the accompanying drawings that are required to be used in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments of the present invention, and for those of ordinary skill in the art, other drawings can also be obtained from these drawings without creative effort.

Fig. 1 is the structural representation of novel electrocoagulation filter device in one embodiment of the present utility model;

FIG. 2 is a schematic view of the operation of the novel electrocoagulation filter device in an embodiment of the present invention.

The numbers involved in the accompanying drawings are as follows:

Water distributor 1, water inlet 2, air outlet 3, filter material layer 4, filter cylinder 5, outlet 6, filter plate 7, water cap 8, water outlet 9, electrocoagulator 10, electrical control cabinet 11 , Raw water pump 12, residual chlorine detector 13, control valve group 14.

Detailed ways

In order to make the purpose, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below in conjunction with the specific embodiments of the present invention and the corresponding accompanying drawings. Obviously, the described implementations are only a part of implementations of the present invention, but not all implementations. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

The embodiments described below with reference to the accompanying drawings are exemplary, only used to explain the present invention, and should not be construed as a limitation of the present invention.

As shown in FIG. 1 to FIG. 2, an embodiment of the present utility model provides a novel electrocoagulation filter device, including:

The filter includes a vertically arranged filter cylinder 5 for accommodating the raw water to be filtered; the filter cylinder 5 is provided with a filter material layer 4, the top of the filter cylinder 5 is provided with a water inlet 2, and the bottom There is a water outlet 9;

The electrocoagulator 10 is arranged on the top of the filter cylinder 5; it includes a power supply controller, an anode and a cathode; the anode and the cathode are metal aluminum plates or iron plates, and the ends of the anode and the cathode are respectively inserted into the filter cylinder 5 raw water; the power controller is an automatic inverted rectifier device, which is used to supply power to both the anode and the cathode for electrolysis.

Thus, through the electrification and electrolysis of the electrocoagulator 10, the raw water in the filter is subjected to electrocoagulation water treatment;

The utility model has the advantages of low energy consumption, convenient operation and high efficiency, and can effectively remove suspended solids, pigments and heavy metals in water, and at the same time reduce the content of microorganisms in water.

In actual use, in the above device, the electrocoagulator 10 is installed on the filter cylinder 5, which is composed of a cathode and an anode powered by a power supply controller;

The lower part of the filter is equipped with multi-layer filter materials, which are used to filter suspended solids and particulate impurities in the water. The power controller is a rectifier device that can automatically switch electrodes within a set time range.

After the power controller starts to work, the cathode and anode are energized and electrolyzed, and the small particles of water are flocculated into large particles under the action of the DC electric field, and are transported out of the filter after passing through the filter material.

In actual operation, metal aluminum plate or iron plate is used as the electrode; when the DC power supply is turned on, the anode metal dissolves and the metal ions enter the water;

The positively charged hydrogen ions obtain electrons on the cathode to become hydrogen; the negatively charged hydroxide ions in the solution move to the anode and discharge at the anode;

After the hydroxide ions are discharged, new nascent oxygen is generated; oxygen bubbles are generated at the anode and hydrogen bubbles are generated at the cathode;

When these bubbles rise, they bring the suspended matter to the water surface and form a scum layer on the water surface. The more substances brought to the water surface, the denser and thicker the scum layer, and then the scum is removed.

At the same time, when the pH is greater than 3.8, the metal ion reacts with the hydroxide ion to form a precipitate;

The aluminum hydroxide or ferric hydroxide produced by the reaction and the suspended particles in the water form flocs. When the specific gravity of the flocs is small, they float and separate, and when the specific gravity is large, they precipitate and separate.

Compared with the prior art, alum and ferric chloride can cause an increase in the amount of SO ^4- and CL- in water, and the above ^- mentioned electrocoagulation water treatment technology will not increase the amount of ions in the water;

At the same time, electrocoagulation uses the oxidation of the anode to destroy pigments, organic matter, and kills bacteria and microorganisms; electrocoagulation uses the reduction effect of the cathode to precipitate and remove heavy metals.

The above devices are mainly used in all water filtration systems in household, medicine, chemical, food, electronics and other industries; it can effectively reduce the turbidity in the water, and make the effluent turbidity less than 1; It can remove fluorine, organic matter, reduce pigment, silicon, etc., and can also kill microorganisms in water; it has the characteristics of simple structure, convenient operation and obvious filtering effect.

Further, the novel electrocoagulation filter device also includes a residual chlorine detector 13 and a control valve group 14; the residual chlorine detector 13 is arranged at the position of the water outlet 9 to detect the quality of the effluent; the control valve group 14 is connected to the water outlet 9, The control valve group 14 includes a backwash valve for backwashing according to water quality detection conditions.

In actual use, the effluent of the filter is equipped with a residual chlorine detector 13 and a control valve group 14, and the effluent can be backwashed regularly according to water quality detection.

Further, the top of the filter cylinder 5 is also provided with a water distributor 1 and an air outlet 3; the water distributor 1 is arranged in the filter cylinder 5 and is connected below the water inlet 2; the air outlet 3 is used to discharge the electrolysis generated. gas.

Further, the bottom of the filter cylinder 5 is also provided with a filter plate 7 and a water cap 8; the filter plate 7 is set up on the arc-shaped bottom of the filter cylinder 5, and the water cap 8 is evenly arranged on the filter plate Layer 4 is stacked on filter plate 7 .

Further, the bottom outer wall of the filter cylinder 5 is provided with a discharge port 6 which is communicated with the filter material layer 4 .

Further, the novel electrocoagulation filter device also includes a water outlet water quantity detector for detecting the water production quantity.

In actual use, the current of the power controller can be adjusted according to the amount of water produced.

Further, the novel electrocoagulation filter device also includes a pH adjustment device for adjusting the pH value in the filter cylinder.

In actual operation, when the pH is greater than 3.8, during the electrolysis reaction of the electrocoagulator 10, the metal ion also reacts with the hydroxide ion to form a precipitate;

The aluminum hydroxide or ferric hydroxide produced by the reaction and the suspended particles in the water form flocs. When the specific gravity of the flocs is small, they float and separate, and when the specific gravity is large, they precipitate and separate.

In a specific embodiment, the electrocoagulator has two functions at the same time in the process of passing the direct current:

One is that the generated gas brings the suspended matter to the water surface to form a scum layer for separation;

The other is that the aluminum hydroxide or ferric hydroxide generated by the reaction is a coagulant, which can agglomerate the suspended particles and separate them by floating or precipitation depending on the difference in relative density.

In addition, electrocoagulation technology also has co-precipitation, that is, co-precipitation of ferric hydroxide and metal hydroxide in water during electrocoagulation; if aluminum is used as an anode, the formed aluminum hydroxide can also absorb silicides and fluorides in water.

At the same time, oxidation and reduction occur at the anion and anode electrodes, and some harmful substances in the water can also be removed, such as cyanide being oxidized into carbon dioxide and nitrogen to be removed, and hexavalent chromium in water is reduced to less toxic trivalent trivalent chromium.

To sum up, the new electrocoagulation filter device has the characteristics of small equipment, large flow, low energy consumption and excellent effluent quality;

When in use, the current of the power controller can be adjusted according to the amount of water produced and the water quality of the influent, and the backwash can be automatically performed through the water quality of the effluent to achieve fully automatic operation;

After passing through this device, the effluent can not only remove the particulate matter in the water, but also effectively remove the high silicon water source, and can effectively control the content of biological and bacterial, and can effectively reduce the pressure of the reverse osmosis equipment.

An embodiment of the present invention also provides a raw water filtration device, including the novel electrocoagulation filtration device as described above.

In practical use, the above-mentioned device and equipment can solve the problem of insufficient processing capacity in the pretreatment of pharmaceutical water equipment.

Further, the raw water filtration equipment also includes a raw water pump 12 and a raw water quality detector; the raw water pump 12 is connected to the water inlet 2 for conveying raw water.

In actual use, through the valve control, the raw water is transported to the filter through the raw water pump 12 .

In actual use, not only can the current of the power controller be adjusted according to the water production, but also the current of the power controller can be adjusted according to the water quality.

Further, the raw water filtration equipment also includes reverse osmosis equipment, EDI equipment, and ion exchange equipment, and the reverse osmosis equipment is connected to the new electrocoagulation filtration device.

In actual use, the effluent of the above-mentioned new electrocoagulation filtration device can not only remove particulate matter in the water, but also effectively remove water sources with high silicon content, and can effectively control the content of biological organisms and bacteria, which can be used for reverse osmosis equipment. effective decompression;

At the same time, it can ensure the long-term and efficient operation of water treatment equipment such as reverse osmosis system, EDI system and ion exchange system.

It should be understood that although this specification is described in terms of embodiments, not each embodiment only includes an independent technical solution. This description in the specification is only for the sake of clarity, and those skilled in the art should take the specification as a whole, and each The technical solutions in the embodiments can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

A series of detailed descriptions listed above are only specific descriptions for the feasible embodiments of the present invention, and are not intended to limit the protection scope of the present invention. The methods or changes should be included within the protection scope of the present invention.

Claims (10)

1. A novel electrocoagulation filter apparatus, comprising:

the filter comprises a vertically arranged filter cylinder body and is used for accommodating raw water to be filtered; a filter material layer is arranged in the filter cylinder, the top of the filter cylinder is provided with a water inlet, and the bottom of the filter cylinder is provided with a water outlet;

the electrocoagulator is arranged at the top end of the filter cylinder body; the device comprises a power supply controller, an anode and a cathode; the anode and the cathode are made of metal aluminum plates or iron plates, and the tail ends of the anode and the cathode are respectively inserted into raw water in the filter cylinder; the power supply controller is an automatic reverse-pole rectifying device and is used for supplying power to the anode and the cathode to carry out electrolytic reaction.

2. The novel electrocoagulation filtering device according to claim 1, further comprising a residual chlorine detector, a control valve set; the residual chlorine detector is arranged at the position of the water outlet and is used for detecting the quality of the outlet water; the control valve group is connected with the water outlet and comprises a backwashing valve used for backwashing according to the water quality detection condition.

3. The novel electrocoagulation filtering device according to claim 2, wherein a water distributor and an air relief port are further arranged at the top of the filter cylinder; the water distributor is arranged in the filter cylinder body and is connected below the water inlet; the gas release opening is used for discharging gas generated by electrolysis.

4. The electrocoagulation filtering apparatus according to claim 3, wherein the bottom of the filter cylinder is further provided with a filter plate and a water cap; the filter plate is erected at the arc-shaped bottom of the filter cylinder, the water caps are uniformly distributed on the filter plate, and the filter material layer is stacked on the filter plate.

5. The electrocoagulation filter as set forth in claim 4, wherein the outer wall of the bottom of the filter cylinder is provided with a discharge port communicating with the filter material layer.

6. The novel electrocoagulation filter apparatus of claim 5, further comprising an effluent water volume detector for detecting water production.

7. The novel electrocoagulation filter device of claim 6, further comprising a pH adjustment device for adjusting the pH within the filter cartridge.

8. A raw water filtration plant comprising a novel electrocoagulation filtration device as described in any one of claims 1 to 7.

9. The raw water filtration apparatus as claimed in claim 8, further comprising a raw water pump, a raw water quality detector; the raw water pump is connected with the water inlet and used for conveying raw water.

10. The raw water filtration apparatus of claim 9, further comprising a reverse osmosis apparatus, EDI apparatus, ion exchange apparatus, wherein the reverse osmosis apparatus is connected to the novel electrocoagulation filtration device.

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