CN111470591A - Sewage purification method and equipment - Google Patents
Sewage purification method and equipment Download PDFInfo
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- CN111470591A CN111470591A CN202010285907.2A CN202010285907A CN111470591A CN 111470591 A CN111470591 A CN 111470591A CN 202010285907 A CN202010285907 A CN 202010285907A CN 111470591 A CN111470591 A CN 111470591A
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- sewage
- electrode
- purification
- conductive material
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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
- C02F1/48—Treatment of water, waste water, or sewage with magnetic or electric fields
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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
- C02F1/68—Treatment of water, waste water, or sewage by addition of specified substances, e.g. trace elements, for ameliorating potable water
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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
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/48—Devices for applying magnetic or electric fields
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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
- C02F2303/00—Specific treatment goals
- C02F2303/04—Disinfection
Abstract
The invention discloses a sewage purification method and equipment, wherein the equipment comprises boosting charging equipment, a sewage treatment tank for containing urban sewage, a first electrode and a second electrode which are positioned in the sewage treatment tank and are arranged at two ends of the sewage treatment tank in a separated mode, the first electrode and the second electrode are respectively and electrically connected with the boosting charging equipment through a first lead and a second lead, a thin film capacitor is arranged between the first lead and the second lead, and a graphene conductive material is placed in the sewage treatment tank. According to the invention, the graphene conductive material is added into the sewage treatment tank, so that the graphene conductive material and the urban sewage are fully mixed to enhance the conductivity of the urban sewage, when bacteria in the urban sewage are in the middle of the graphene conductive material, the first electrode and the second electrode are electrified to generate voltage at two ends of the bacteria, so that cell membranes of the bacteria are subjected to voltage breakdown, the bacteria are killed, and the sterilization and purification effects of the urban sewage are realized.
Description
Technical Field
The invention relates to the technical field of sewage treatment, in particular to a sewage purification method and equipment.
Background
Modern urban sewage treatment is a relatively difficult problem faced by society, and various sewage treatment plants are newly built in various cities for treating urban sewage in order to protect ecological environment. The urban sewage is complex in components and different in forms, but has the same place inside, namely the urban sewage generally contains a large amount of bacteria. Because the urban sewage contains a large amount of nutrient substances which breed a large amount of bacteria, the sewage is smelly in a large area due to the existence of the bacteria.
Moreover, some bacteria may transmit diseases. For example, in the case of the recently pandemic new type of coronavirus pneumonia, the feces of some patients contain the virus. Since the manure will eventually flow to the municipal sewage. It is possible that the virus may actually spread in the sewage and cause other people to become infected and ill.
The existing sewage sterilization generally adds a sterilization chemical reagent into the sewage, so that the impurity components in the sewage are increased while sterilization is carried out, secondary pollution is caused, and the difficulty of water purification is increased.
Therefore, the prior art is still to be improved.
Disclosure of Invention
In view of the above-mentioned shortcomings of the prior art, the present invention aims to provide a method and apparatus for purifying sewage, which aims to solve the problem that it is difficult to eliminate bacteria and viruses in municipal sewage, so that the municipal sewage is easy to be infected with diseases.
The technical scheme of the invention is as follows:
the utility model provides a sewage purification equipment, wherein, including the battery charging outfit that steps up, be used for splendid attire municipal sewage's sewage treatment pond, be located inside and the partition setting in sewage treatment pond is in the first electrode and the second electrode at sewage treatment pond both ends, first electrode and second electrode respectively through first wire and second wire with the battery charging outfit electricity that steps up is connected be provided with film capacitance between first wire and the second wire, graphite alkene conducting material has been placed in the sewage treatment pond.
The sewage purification equipment is characterized in that ultrasonic equipment is further arranged in the sewage treatment tank.
The sewage purification equipment is characterized in that the graphene conductive material is graphene powder with the sheet diameter of 100-1000 meshes.
The sewage purification device is characterized in that a switch is arranged between the first electrode and the thin film capacitor.
The sewage purification device is characterized in that an ammeter is arranged between the second electrode and the thin-film capacitor.
The sewage purification method of the sewage purification equipment comprises the following steps:
adding the graphene conductive material and urban sewage into the sewage treatment tank according to the mass ratio of 1:1000-10000 to form mixed sewage;
carrying out ultrasonic treatment on the mixed sewage by adopting ultrasonic equipment to fully mix the graphene conductive material with the urban sewage;
and charging the thin film capacitor through the boosting charging equipment, and turning on a switch to electrify the first electrode and the second electrode in the mixed sewage so as to purify bacteria and viruses in the mixed sewage.
The sewage purification method comprises the steps of charging the thin-film capacitor through the boosting charging equipment, turning on a switch to electrify the first electrode and the second electrode in the mixed sewage, and purifying bacteria and viruses in the mixed sewage, wherein the steps comprise:
observing the numerical value of the ammeter after the first electrode and the second electrode are electrified in the mixed sewage;
if the numerical value of the ammeter is smaller than the minimum value of a preset purification current threshold range, adding a graphene conductive material into the sewage treatment tank, so that the numerical value of the ammeter is within the preset purification current threshold range;
if the numerical value of the ammeter is larger than the maximum value of the preset purification current threshold range, adding the urban sewage into the sewage treatment tank, so that the numerical value of the ammeter is within the preset purification current threshold range.
The sewage purification method comprises the step of presetting a purification current threshold value of 1-15 amperes.
The sewage purification method is characterized in that the discharge time of the thin film capacitor is 1-100 milliseconds each time.
The sewage purification method comprises the steps of carrying out ultrasonic treatment on the mixed sewage by adopting ultrasonic equipment, wherein the ultrasonic power is 3000W/cubic meter, and the ultrasonic treatment time is 3-5 min.
Has the advantages that: according to the invention, the graphene conductive material is added into the urban sewage to enhance the conductivity of the urban sewage, when bacteria in the urban sewage are in the middle of the graphene conductive material, the first electrode and the second electrode are electrified to generate corresponding voltage at two ends of the bacteria, so that cell membranes of the bacteria are broken down by the voltage to cause the bacteria to die, and thus the sterilization and purification effects of the urban sewage are achieved.
Drawings
FIG. 1 is a schematic view of a sewage purifying apparatus according to the present invention.
FIG. 2 is a flow chart of a preferred embodiment of a method for purifying wastewater according to the present invention.
Detailed Description
The present invention provides a method and apparatus for purifying wastewater, which will be described in further detail below in order to make the objects, technical solutions and effects of the present invention clearer and clearer. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As used herein, the singular forms "a", "an", "the" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. It will be understood that when an element is referred to as being "connected" or "coupled" to another element, it can be directly connected or coupled to the other element or intervening elements may also be present. Further, "connected" or "coupled" as used herein may include wirelessly connected or wirelessly coupled. As used herein, the term "and/or" includes all or any element and all combinations of one or more of the associated listed items.
It will be understood by those skilled in the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
Referring to fig. 1, fig. 1 is a sewage purifying apparatus provided by the present invention, as shown in the figure, the sewage purifying apparatus includes a boost charging apparatus 10, a sewage treatment tank 20 for containing municipal sewage, a first electrode 21 and a second electrode 22 located inside the sewage treatment tank 20 and separately disposed at two ends of the sewage treatment tank 20, the first electrode 21 and the second electrode 22 are electrically connected to the boost charging apparatus 10 through a first conducting wire 23 and a second conducting wire 24, respectively, a thin film capacitor 30 is disposed between the first conducting wire 23 and the second conducting wire 24, and a graphene conductive material 40 is disposed inside the sewage treatment tank 20.
In this embodiment, through adding graphite alkene conducting material in sewage treatment pond for graphite alkene conducting material and municipal sewage intensive mixing are in with the electric conductive property of reinforcing municipal sewage, and the bacterium in the municipal sewage is in when graphite alkene conducting material is middle, first electrode and second electrode circular telegram can produce corresponding voltage at the bacterium both ends and make the cell membrane of bacterium to punch through by voltage, cause the bacterium dead, thereby reach the purifying effect that disinfects of municipal sewage.
The graphene conductive material is selected, on one hand, the high conductivity of the graphene conductive material is utilized, the voltage sterilization effect in the sewage can be enhanced, on the other hand, the graphene conductive material with a large sheet diameter is easily combined with substances in the sewage to form a precipitate, the precipitate can be conveniently removed, the recycling is convenient, the cost is reduced, and the environment is protected; however, the conductive materials such as salt which is easily dissolved in water are difficult to remove from the water body, which causes new environmental pollution and can not be reused.
In some embodiments, as shown in fig. 1, an ultrasonic device 50 is also disposed in the wastewater treatment tank 20. Through ultrasonic equipment carries out ultrasonic dispersion to the mixed sewage that municipal sewage and graphite alkene conducting material formed for graphite alkene conducting material homodisperse is in municipal sewage, and the bacterium in the municipal sewage also homodisperse is in simultaneously between the graphite alkene conducting material, with the voltage breakdown effect in promotion later stage, promotes the purification efficiency that disinfects of municipal sewage. If the viscosity of the mixed sewage is higher, the ultrasonic dispersion time needs to be prolonged to achieve the effect of uniform dispersion, and the ultrasonic waves can kill part of bacteria while dispersing the graphene conductive material. By way of example, but not limitation, the sonication time is 3-5 minutes.
In some specific embodiments, in order to improve the sterilization effect, the ultrasonic power of the ultrasonic equipment for ultrasonic treatment of the mixed sewage is 3000W/cubic meter, and the ultrasonic treatment time is 3-5 min.
In some embodiments, the graphene conductive material is a graphene powder with a sheet diameter of 100-. Because the piece footpath is 100 and becomes more easily dispersion in municipal sewage for 1000 mesh graphite alkene powder, can promote municipal sewage's the purification efficiency that disinfects, and the piece footpath is 100 and becomes sediment material with the material combination in the sewage more easily, can very convenient be clear away out, be convenient for cyclic utilization, not only reduce cost but also environmental protection.
In some embodiments, as shown in fig. 1, a switch 60 is disposed between the first electrode 21 and the thin film capacitor 30, and the switch 60 controls the on and off of the municipal sewage purification treatment.
In some embodiments, as shown in fig. 1, an ammeter 70 is disposed between the second electrode 22 and the thin film capacitor 30, and the real-time current value in the wastewater treatment tank can be observed in real time through the ammeter 70.
In some embodiments, based on the above sewage purification apparatus, the present invention further provides a sewage purification method, wherein, as shown in fig. 2, the method comprises the steps of:
s10, adding the graphene conductive material and urban sewage into the sewage treatment tank according to the mass ratio of 1:1000-10000 to form mixed sewage;
s20, carrying out ultrasonic treatment on the mixed sewage by adopting ultrasonic equipment to fully mix the graphene conductive material with the urban sewage;
and S30, charging the thin film capacitor through the boosting charging equipment, and turning on a switch to electrify the first electrode and the second electrode in the mixed sewage to purify bacteria and viruses in the mixed sewage.
Specifically, the use ratio of the graphene conductive material to the municipal sewage is adjusted according to the needs of different types of bacteria, and in some specific embodiments, the graphene conductive material and the municipal sewage are added into the sewage treatment tank according to the mass ratio of 1:1000-10000, so that the most common bacteria such as escherichia coli and helicobacter in the municipal sewage can be killed after electrification.
In this embodiment, the boost charging device is electrically connected to an external power source through a power plug and then charges the thin-film capacitor, and when the thin-film capacitor is charged, the switch is turned on to discharge the charges stored in the thin-film capacitor in the sewage treatment tank through the first electrode and the second electrode. And the virus in the municipal sewage must adhere to the bacteria to live, must rely on the bacteria to provide nutrient substances, otherwise can not live, and when the bacteria in the municipal sewage are killed, the virus in the sewage naturally dies quickly. Therefore, the sewage purification method provided by the embodiment can effectively kill bacteria and viruses in the municipal sewage and avoid the disease infection of the municipal sewage.
Graphene conductive material is added into the sewage treatment tank, so that graphene is conductiveThe electric material and the municipal sewage are fully mixed to enhance the conductivity of the municipal sewage, and when bacteria in the municipal sewage are in the middle of the graphene conductive material, corresponding voltage can be generated at two poles of the bacteria due to the voltage existing in the sewage treatment tank. When the voltage is higher than the limit voltage that the cell can bear
In time, the cell membrane of the bacteria is punctured, thereby causing the bacteria to die. By way of example, 80% of existing bacteria can be killed when the voltage across the bacteria reaches above 2000 volts.
In some embodiments, the step of charging the thin film capacitor by the boost charging device, opening a switch to energize the first and second electrodes in the mixed wastewater, and purifying the mixed wastewater for bacteria and viruses comprises:
s31, observing the value of the ammeter after the first electrode and the second electrode are electrified in the mixed sewage;
s32, if the numerical value of the ammeter is smaller than the minimum value of a preset purification current threshold range, adding a graphene conductive material into the sewage treatment tank, so that the numerical value of the ammeter is within the preset purification current threshold range;
s33, if the numerical value of the ammeter is larger than the maximum value of the preset purification current threshold range, adding urban sewage into the sewage treatment tank, and enabling the numerical value of the ammeter to be within the preset purification current threshold range.
In this embodiment, can regulate and control graphite alkene conducting material and urban sewage proportion in the sewage treatment pond through the numerical value size of observing the ampere meter in real time, make bacterium in the sewage treatment pond is under a more efficient breakdown voltage condition to effectively promote urban sewage's the purification efficiency that disinfects.
In some specific embodiments, the predetermined purge current threshold is 1-15 amps, but is not limited thereto; the discharge time of the thin film capacitor is 1-100 milliseconds each time.
In some embodiments, the voltage of the discharge pulse of the boost charging device can be adjusted according to the voltage required by specific bacteria, and the charging and discharging frequency can be adjusted at the same time, so as to achieve the optimal sterilization and purification effect. Specifically, the pulse signal used by the boost charging device is a square wave signal, the duty ratio and the frequency can be adjusted according to actual needs, the square wave signal is easy to control and generate, and when a switch is switched off, the thin film capacitor is charged; when the switch is closed, the electricity on the film capacitor is released instantly, the sewage is sterilized and purified, and the sterilization efficiency is improved.
Has the advantages that: according to the invention, the graphene conductive material is added into the urban sewage to enhance the conductivity of the urban sewage, when bacteria in the urban sewage are in the middle of the graphene conductive material, the first electrode and the second electrode are electrified to generate corresponding voltage at two ends of the bacteria, so that cell membranes of the bacteria are broken down by the voltage to cause the bacteria to die, and thus the sterilization and purification effects of the urban sewage are achieved.
In summary, according to the invention, the graphene conductive material is added into the sewage treatment tank, so that the graphene conductive material and the urban sewage are fully mixed to enhance the conductivity of the urban sewage, when bacteria in the urban sewage are in the middle of the graphene conductive material, the first electrode and the second electrode are electrified to generate corresponding voltage at two ends of the bacteria, so that cell membranes of the bacteria are subjected to voltage breakdown, the bacteria are killed, and the sterilization and purification effects of the urban sewage are achieved.
It is to be understood that the invention is not limited to the examples described above, but that modifications and variations may be effected thereto by those of ordinary skill in the art in light of the foregoing description, and that all such modifications and variations are intended to be within the scope of the invention as defined by the appended claims.
Claims (10)
1. The utility model provides a sewage purification equipment, its characterized in that, is located including the battery charging outfit that steps up, the sewage treatment pond that is used for splendid attire municipal sewage inside and separate the setting in sewage treatment pond both ends first electrode and second electrode, first electrode and second electrode respectively through first wire and second wire with the battery charging outfit electricity that steps up is connected be provided with film capacitance between first wire and the second wire, graphite alkene conducting material has been placed in the sewage treatment pond.
2. The sewage purification apparatus of claim 1, wherein an ultrasonic device is further disposed in the sewage treatment tank.
3. The sewage purification apparatus of claim 1, wherein the graphene conductive material is graphene powder with a sheet diameter of 100-1000 meshes.
4. The apparatus for purifying wastewater of claim 1, wherein a switch is disposed between the first electrode and the membrane capacitor.
5. The apparatus for purifying wastewater of claim 1, wherein an ammeter is disposed between the second electrode and the thin-film capacitor.
6. A method for purifying sewage based on the sewage purifying apparatus according to any one of claims 1 to 5, comprising the steps of:
adding the graphene conductive material and urban sewage into the sewage treatment tank according to the mass ratio of 1:1000-10000 to form mixed sewage;
carrying out ultrasonic treatment on the mixed sewage by adopting ultrasonic equipment to fully mix the graphene conductive material with the urban sewage;
and charging the thin film capacitor through the boosting charging equipment, and turning on a switch to electrify the first electrode and the second electrode in the mixed sewage so as to purify bacteria and viruses in the mixed sewage.
7. The wastewater purification method according to claim 6, wherein the step of charging the membrane capacitor by the boost charging device, opening a switch to electrify the first and second electrodes in the mixed wastewater, and purifying bacteria and viruses in the mixed wastewater comprises:
observing the numerical value of the ammeter after the first electrode and the second electrode are electrified in the mixed sewage;
if the numerical value of the ammeter is smaller than the minimum value of a preset purification current threshold range, adding a graphene conductive material into the sewage treatment tank, so that the numerical value of the ammeter is within the preset purification current threshold range;
if the numerical value of the ammeter is larger than the maximum value of the preset purification current threshold range, adding the urban sewage into the sewage treatment tank, so that the numerical value of the ammeter is within the preset purification current threshold range.
8. The wastewater purification method according to claim 7, wherein the predetermined purification current threshold is 1-15A.
9. The wastewater purification method according to claim 6, wherein the discharge time of the thin film capacitor is 1 to 100 milliseconds per time.
10. The sewage purification method according to claim 6, wherein the ultrasonic power of the ultrasonic treatment of the mixed sewage by the ultrasonic equipment is 3000W/cubic meter, and the ultrasonic treatment time is 3-5 min.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010285907.2A CN111470591A (en) | 2020-04-13 | 2020-04-13 | Sewage purification method and equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010285907.2A CN111470591A (en) | 2020-04-13 | 2020-04-13 | Sewage purification method and equipment |
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| CN111470591A true CN111470591A (en) | 2020-07-31 |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102531252A (en) * | 2012-02-13 | 2012-07-04 | 中国科学院广州地球化学研究所 | Method and device for sterilizing water body in combination with three-dimensional electrode and photocatalysis , application thereof |
| US20130134053A1 (en) * | 2009-11-24 | 2013-05-30 | Iogenyx Pty Ltd | Methods and devices for the treatment of fluids |
| CN205472814U (en) * | 2016-03-29 | 2016-08-17 | 管丽丽 | Sewage discharge is sterilization equipment in twinkling of an eye |
| CN105984950A (en) * | 2015-02-11 | 2016-10-05 | 李泽唐 | Direct electrogenesis method and device for sewage treatment |
| JP2016198692A (en) * | 2015-04-07 | 2016-12-01 | 日本工営株式会社 | Device for treating contaminated water |
| CN205933340U (en) * | 2016-07-19 | 2017-02-08 | 王蓟斌 | Circulating water low frequency electric field sterilizing equipment |
| CN107162123A (en) * | 2017-04-26 | 2017-09-15 | 清华大学 | Filtering sterilization method and device and application in a kind of electrode |
| CN109824185A (en) * | 2019-03-21 | 2019-05-31 | 生态环境部南京环境科学研究所 | A kind of novel three-dimensional electrode water treatment system and graphene conductive particle preparation method |
| KR20190067354A (en) * | 2017-12-07 | 2019-06-17 | 한국생산기술연구원 | method for manufacturing graphene complex electrolysis electrodes for wastewater processing and sterilization |
-
2020
- 2020-04-13 CN CN202010285907.2A patent/CN111470591A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130134053A1 (en) * | 2009-11-24 | 2013-05-30 | Iogenyx Pty Ltd | Methods and devices for the treatment of fluids |
| CN102531252A (en) * | 2012-02-13 | 2012-07-04 | 中国科学院广州地球化学研究所 | Method and device for sterilizing water body in combination with three-dimensional electrode and photocatalysis , application thereof |
| CN105984950A (en) * | 2015-02-11 | 2016-10-05 | 李泽唐 | Direct electrogenesis method and device for sewage treatment |
| JP2016198692A (en) * | 2015-04-07 | 2016-12-01 | 日本工営株式会社 | Device for treating contaminated water |
| CN205472814U (en) * | 2016-03-29 | 2016-08-17 | 管丽丽 | Sewage discharge is sterilization equipment in twinkling of an eye |
| CN205933340U (en) * | 2016-07-19 | 2017-02-08 | 王蓟斌 | Circulating water low frequency electric field sterilizing equipment |
| CN107162123A (en) * | 2017-04-26 | 2017-09-15 | 清华大学 | Filtering sterilization method and device and application in a kind of electrode |
| KR20190067354A (en) * | 2017-12-07 | 2019-06-17 | 한국생산기술연구원 | method for manufacturing graphene complex electrolysis electrodes for wastewater processing and sterilization |
| CN109824185A (en) * | 2019-03-21 | 2019-05-31 | 生态环境部南京环境科学研究所 | A kind of novel three-dimensional electrode water treatment system and graphene conductive particle preparation method |
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Application publication date: 20200731 |