CN216472647U - Novel electrocoagulation filtering device and raw water filtering equipment - Google Patents
Novel electrocoagulation filtering device and raw water filtering equipment Download PDFInfo
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- CN216472647U CN216472647U CN202122995693.0U CN202122995693U CN216472647U CN 216472647 U CN216472647 U CN 216472647U CN 202122995693 U CN202122995693 U CN 202122995693U CN 216472647 U CN216472647 U CN 216472647U
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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
Technical Field
The utility model relates to the technical field of raw water filtration, in particular to a novel electrocoagulation filtering device and raw water filtering equipment.
Background
In the pure water treatment technology, water can be purified by various methods to obtain the water quality meeting the requirement, for example, raw water is deeply treated by water treatment unit technologies such as a prefilter unit, an electrodeionization method, a reverse osmosis, an EDI system, an ion exchange and the like, so that particles, suspended matters, pigments, colloids, heavy metals, bacterial microorganisms, partial organic matters and most ions in the raw water can be effectively removed.
In order to reduce the operating pressure of reverse osmosis and ion exchange, the treatment capacity of the pretreatment needs to be improved.
However, most of the conventional raw water filtration apparatuses satisfy only part of the requirements of the pretreatment apparatus, or require more equipment to improve the efficiency of the pretreatment. Therefore, the requirement for removing substances such as suspended substances, pigments, colloids, heavy metals, microorganisms, organic substances, and the like in raw water cannot be satisfied, and thus the service life of the core component in the post-treatment equipment cannot be ensured.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problems, the utility model aims to provide a novel electrocoagulation filtering device and raw water filtering equipment, wherein the novel electrocoagulation filtering device is used for solving the problems of low filtering efficiency and high equipment cost investment of a pretreatment device in the existing raw water filtering technology.
In order to achieve one of the above objects of the present invention, an embodiment of the present invention provides a novel electrocoagulation filtering device, including:
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.
As a further improvement of one embodiment of the utility model, the novel electrocoagulation filtering device also comprises a residual chlorine detector and a control valve group; 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.
As a further improvement of an embodiment of the utility model, the top of the filter cylinder body is also provided with a water distributor and an air release port; 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.
As a further improvement of an embodiment of the utility model, the bottom of the filter cylinder body is also 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.
As a further improvement of one embodiment of the utility model, the outer wall of the bottom of the filter cylinder body is provided with a discharge hole which is communicated with the filter material layer.
As a further improvement of one embodiment of the utility model, the novel electrocoagulation filtering device also comprises an effluent water quantity detector for detecting the water yield.
As a further improvement of one embodiment of the present invention, the novel electrocoagulation filtering device further comprises a pH adjusting device for adjusting the pH value in the filter cartridge.
An embodiment of the present invention also provides a raw water filtration apparatus comprising the novel electrocoagulation filtration device as described in any one of the above.
As a further improvement of an embodiment of the utility model, the raw water filtering device further comprises a raw water pump and a raw water quality detector; the raw water pump is connected with the water inlet and used for conveying raw water.
As a further improvement of one embodiment of the utility model, the raw water filtering device further comprises a reverse osmosis device, an EDI device and an ion exchange device, wherein the reverse osmosis device is connected with the novel electrocoagulation filtering device.
Compared with the prior art, the utility model has the beneficial effects that:
performing electrocoagulation water treatment on raw water in the filter through the electrifying electrolysis function of the electrocoagulation device;
the method has the advantages of low energy consumption, convenient operation and high efficiency, can effectively remove suspended matters, pigments and heavy metals in water, and simultaneously reduces the content of microorganisms in the water.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the embodiments or the description of the prior art will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the utility model, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
FIG. 1 is a schematic diagram of the construction of a novel electrocoagulation filtration apparatus in one embodiment of the present invention;
FIG. 2 is a schematic diagram of the operation of the novel electrocoagulation filtration apparatus in one embodiment of the present invention.
Wherein the reference numbers referred to in the figures are as follows:
the device comprises a water distributor 1, a water inlet 2, an air outlet 3, a filter material layer 4, a filter cylinder 5, a discharge port 6, a filter plate 7, a water cap 8, a water outlet 9, an electrocoagulation device 10, an electrical control cabinet 11, a raw water pump 12, a residual chlorine detector 13 and a control valve group 14.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail and completely with reference to the following detailed description of the utility model and the accompanying drawings. It is to be understood that the described embodiments are merely exemplary of the utility model, and not restrictive of the full scope of the utility model. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
As shown in fig. 1 to 2, an embodiment of the present invention provides a novel electrocoagulation filtering apparatus, including:
a filter including a vertically disposed filter cylinder 5 for receiving raw water to be filtered; a filter material layer 4 is arranged in the filter cylinder 5, the top of the filter cylinder 5 is provided with a water inlet 2, and the bottom of the filter cylinder 5 is provided with a water outlet 9;
an electrocoagulator 10 arranged at the top end of the filter cylinder 5; 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 the raw water of the filter cylinder 5; 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.
Thereby, the raw water in the filter is treated by electrocoagulation water by the energization electrolysis of the electrocoagulation device 10;
the method has the advantages of low energy consumption, convenient operation and high efficiency, can effectively remove suspended matters, pigments and heavy metals in water, and simultaneously reduces the content of microorganisms in the water.
In actual use, in the above described apparatus, the electrocoagulator 10 is mounted on the filter cartridge 5 and consists of a cathode and an anode powered by a power supply controller;
the lower part of the filter is provided with a plurality of layers of filter materials for filtering suspended matters and particle impurities in water, and simultaneously, a plurality of types of filter materials can be selected according to requirements to realize the filtration of raw water. The power supply controller is a rectifying device capable of automatically switching electrodes within a set time range.
After the power supply controller starts to work, the cathode and the anode are electrified and electrolyzed, small particulate matters of water are flocculated into large particulate matters under the action of a direct current electric field, and the large particulate matters are conveyed out of the filter after passing through the filter material.
In practical operation, a metal aluminum plate or an iron plate is used as an electrode; when the direct current power supply is switched on, the anode metal is dissolved, and metal ions enter water;
the positively charged hydrogen ions take electrons on the cathode to form hydrogen gas; hydroxide ions with negative charges in the solution move to the anode and are discharged at the anode;
generating new nascent oxygen after the discharge of hydroxide ions; generating oxygen bubbles at the anode and hydrogen bubbles at the cathode;
when these bubbles rise, they carry the suspended matter to the water surface, forming a scum layer on the water surface, the more the material is carried to the water surface, the denser and thicker the scum layer, and then the scum is removed.
Meanwhile, under the condition that the PH value is more than 3.8, the metal ions react with hydroxide ions to generate precipitates;
the aluminum hydroxide or ferric hydroxide generated by the reaction and suspended particles in water generate flocculate, and the flocculate floats upwards and is separated when the specific gravity is small, and precipitates and is separated when the specific gravity is large.
Compared with the prior art that alum and ferric trichloride can cause SO in water4-、CL-The quantity is increased, and the quantity of ions in the water cannot be increased by the electrocoagulation water treatment technology;
meanwhile, electrocoagulation utilizes the oxidation of the anode to destroy pigments and organic matters and kill bacterial microorganisms; electrocoagulation utilizes the reduction of a cathode to precipitate and remove heavy metals.
The device is mainly used for all water filtration systems in the industries of household, medicine, chemical industry, food, electronics and the like; the method can effectively reduce the turbidity in water and ensure that the turbidity of the outlet water is less than 1; meanwhile, the heavy metal harmful to human bodies in the water can be removed, fluorine and organic matters can be removed, pigments, silicon and the like can be reduced, and microorganisms in the water can be killed; has the characteristics of simple structure, convenient operation, obvious filtering effect and the like.
Further, the novel electrocoagulation filtering device also comprises 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 and is used for detecting the quality of the outlet water; the control valve group 14 is connected with the water outlet 9, and the control valve group 14 comprises a backwashing valve used for backwashing according to the water quality detection condition.
In actual use, the filter effluent is provided 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 release port 3; the water distributor 1 is arranged in the filter cylinder 5 and is connected below the water inlet 2; the gas discharge port 3 is used for discharging gas generated by electrolysis.
Further, the bottom of the filter cylinder body 5 is also provided with a filter plate 7 and a water cap 8; the filter plate 7 is arranged at the arc bottom of the filter cylinder body 5, the water caps 8 are uniformly arranged on the filter plate 7, and the filter material layer 4 is piled on the filter plate 7.
Further, the outer wall of the bottom of the filter cylinder body 5 is provided with a discharge hole 6 which is communicated with the filter material layer 4.
Furthermore, the novel electrocoagulation filtering device also comprises a water outlet amount detector for detecting the water yield.
In actual use, the current of the power controller can be adjusted according to the water production.
Furthermore, the novel electrocoagulation filtering device also comprises a pH adjusting device which is used for adjusting the pH value in the filter cylinder body.
In practice, when the pH is greater than 3.8, the metal ions also react with hydroxide ions to form precipitates during the electrolytic reaction of the electrocoagulator 10;
the aluminum hydroxide or ferric hydroxide generated by the reaction and suspended particles in water generate flocculate, and the flocculate floats upwards and is separated when the specific gravity is small, and precipitates and is separated when the specific gravity is large.
In a specific embodiment, the electrocoagulator has two functions during the application of direct current:
one is that the generated gas brings suspended matters to the water surface to form a scum layer for separation;
the other is that the aluminum hydroxide or the ferric hydroxide generated by the reaction is a coagulant which can coagulate suspended particles and float up or precipitate depending on the difference of relative density.
In addition, the electrocoagulation technology has a coprecipitation effect, namely iron hydroxide is generated during electrocoagulation and is coprecipitated with metal hydroxide in water; if aluminum is used as the anode, the aluminum hydroxide formed can also adsorb silicides and fluorides in water.
Meanwhile, oxidation and reduction are carried out at the cathode and the anode, and some harmful substances in the water can be removed, such as cyanide is oxidized into carbon dioxide and nitrogen to be removed, and hexavalent chromium in the water is reduced into trivalent chromium with low toxicity.
In conclusion, the novel electrocoagulation filtering device has the characteristics of small equipment, large flow, low energy consumption, excellent effluent quality and the like;
when the water supply device is used, the current of the power controller can be adjusted according to the water yield and the water quality of inlet water, and back washing is automatically carried out according to the water quality of outlet water, so that full-automatic operation is realized;
through this device after the particulate matter of aquatic can not only be got rid of to the play water, also can effectively get rid of to the water source of high-silicon simultaneously, but also can control the content of thing biology and bacterium effectively, can carry out effectual decompression to reverse osmosis equipment.
An embodiment of the utility model also provides raw water filtration equipment comprising the novel electrocoagulation filtering device.
In practical use, the device and the equipment can solve the problem of insufficient treatment capacity of pharmaceutical water equipment in pretreatment.
Further, the raw water filtering device also comprises a raw water pump 12 and a raw water quality detector; the raw water pump 12 is connected to the water inlet 2 and is used for conveying raw water.
In actual use, raw water is delivered into the filter by the raw water pump 12 through valve control.
In actual use, the current of the power controller can be adjusted according to the water yield and the water quality of inlet water.
Furthermore, the raw water filtering equipment also comprises reverse osmosis equipment, EDI equipment and ion exchange equipment, wherein the reverse osmosis equipment is connected with the novel electrocoagulation filtering device.
In actual use, the effluent of the novel electrocoagulation filtering device can remove particles in water, can effectively remove a high-silicon water source, can effectively control the contents of organisms and bacteria, and can effectively reduce the pressure of reverse osmosis equipment;
meanwhile, the long-term high-efficiency operation of water treatment equipment such as a reverse osmosis system, an EDI system, an ion exchange system and the like can be ensured.
It should be understood that although the present description refers to embodiments, not every embodiment contains only a single technical solution, and such description is for clarity only, and those skilled in the art should make the description as a whole, and the technical solutions in the embodiments can also be combined appropriately to form other embodiments understood by those skilled in the art.
The above-listed detailed description is only a specific description of a possible embodiment of the present invention and is not intended to limit the scope of the present invention, and equivalent embodiments or modifications made without departing from the technical spirit of the present invention are included in the 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122995693.0U CN216472647U (en) | 2021-12-01 | 2021-12-01 | Novel electrocoagulation filtering device and raw water filtering equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122995693.0U CN216472647U (en) | 2021-12-01 | 2021-12-01 | Novel electrocoagulation filtering device and raw water filtering equipment |
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| CN216472647U true CN216472647U (en) | 2022-05-10 |
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| CN202122995693.0U Active CN216472647U (en) | 2021-12-01 | 2021-12-01 | Novel electrocoagulation filtering device and raw water filtering equipment |
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