CN113620517A - Electrochemical-bulk sewage treatment device and method - Google Patents
Electrochemical-bulk sewage treatment device and method Download PDFInfo
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- CN113620517A CN113620517A CN202110904596.8A CN202110904596A CN113620517A CN 113620517 A CN113620517 A CN 113620517A CN 202110904596 A CN202110904596 A CN 202110904596A CN 113620517 A CN113620517 A CN 113620517A
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- sewage treatment
- flocculator
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- 239000010865 sewage Substances 0.000 title claims abstract description 60
- 238000000034 method Methods 0.000 title claims abstract description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 39
- 239000007788 liquid Substances 0.000 claims abstract description 25
- 239000012528 membrane Substances 0.000 claims abstract description 17
- 239000007787 solid Substances 0.000 claims abstract description 14
- 238000001914 filtration Methods 0.000 claims description 13
- 238000005273 aeration Methods 0.000 claims description 9
- 239000002245 particle Substances 0.000 claims description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 5
- 238000002347 injection Methods 0.000 claims description 5
- 239000007924 injection Substances 0.000 claims description 5
- 238000000926 separation method Methods 0.000 claims description 5
- 239000006004 Quartz sand Substances 0.000 claims description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 238000011268 retreatment Methods 0.000 claims description 2
- 229910052799 carbon Inorganic materials 0.000 claims 1
- 239000003814 drug Substances 0.000 abstract description 5
- 238000005189 flocculation Methods 0.000 abstract description 2
- 230000016615 flocculation Effects 0.000 abstract description 2
- 230000005518 electrochemistry Effects 0.000 abstract 3
- 230000010354 integration Effects 0.000 abstract 1
- 239000002351 wastewater Substances 0.000 description 12
- 239000000126 substance Substances 0.000 description 7
- 238000005345 coagulation Methods 0.000 description 3
- 230000015271 coagulation Effects 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 241000894006 Bacteria Species 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000009388 chemical precipitation Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 229910001385 heavy metal Inorganic materials 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000003487 electrochemical reaction Methods 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 230000003472 neutralizing effect Effects 0.000 description 1
- 230000033116 oxidation-reduction process Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
Images
Classifications
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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
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- 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
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- 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
- C02F1/463—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrocoagulation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/20—Heavy metals or heavy metal compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
- C02F3/12—Activated sludge processes
- C02F3/1236—Particular type of activated sludge installations
- C02F3/1268—Membrane bioreactor systems
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F7/00—Aeration of stretches of water
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention relates to the technical field of electrochemical sewage treatment and discloses an electrochemical-solid sewage treatment device and method. This electrochemistry integration sewage treatment plant comprises elevator pump, electrochemistry flocculator, automatic solid-liquid filter-pressing separator, clean water basin, filter equipment, MBR membrane cisterna, automated control system etc. all parts are all highly integrated on same base, the device appearance is less, the throughput is high, it is high to handle sewage efficiency, equipment is small, take up an area of for a short time, a large amount of resources have been practiced thrift, adopt electrochemistry flocculation treatment when getting rid of aquatic suspended solid, need not to add the medicament and can not cause secondary pollution to water, do not have any influence to quality of water.
Description
Technical Field
The invention relates to the technical field of electrochemical sewage treatment, in particular to an electrochemical-bulk sewage treatment device and method.
Background
The chemical treatment method of wastewater refers to a method of treating wastewater by changing the chemical or physical properties of contaminants in wastewater by chemical reaction to either change it from a dissolved, colloidal or suspended state to a precipitated or floating state or from a solid state to a gaseous state, and then removing them from water, and can be classified into: a method for neutralizing waste water, a coagulation treatment method of waste water, a chemical precipitation treatment method of waste water, an oxidation treatment method of waste water, an extraction treatment method of waste water, etc. sometimes, in order to effectively treat waste water containing various pollutants, two or more of the above-mentioned treatment methods are combined, for example, a chemical coagulation treatment method and a chemical oxidation treatment method are combined to treat waste water containing phenol at a small flow rate and a low concentration, the chemical treatment method of waste water is a method of separating and recovering pollutants in waste water by using a chemical reaction or converting them into harmless substances, and the main processes of neutralization, coagulation, chemical precipitation, oxidation reduction, adsorption and extraction are applied as early as the development of waste water treatment.
Along with the increase of sewage treatment projects, more and more problems appear in electrochemical sewage treatment projects, wherein the added medicament causes secondary pollution to water, the automation degree of the sewage treatment water quality process is low, the sewage treatment efficiency is low, the treatment equipment occupies a large area, and resources are wasted.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides an electrochemical-bulk sewage treatment device and method, which have the advantages of no need of adding a medicament for treating sewage, no influence on water quality, high sewage treatment efficiency, small occupied area of equipment, resource saving and the like, and solve the problems of secondary pollution caused by adding the medicament to a water body, low automation degree of a sewage treatment water quality process, low sewage treatment efficiency, large occupied area of treatment equipment and resource waste.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme: an electrochemical-solid sewage treatment device comprises a self-suction injection pump, an aeration system and an automatic solid-liquid separator, wherein a filtering device is fixedly installed on the self-suction injection pump, an MBR (membrane bioreactor) membrane system is arranged on the right side of the aeration system, an electrochemical flocculator is arranged above the aeration system, and a box body is fixedly installed below the automatic solid-liquid separator.
Preferably, two self-sucking jet pumps are provided, the power of the two self-sucking jet pumps is 0.37KW, and the two self-sucking jet pumps work together to maintain the normal operation of the system.
Preferably, two filtering devices are arranged, and quartz sand and activated carbon are filled in the filtering devices and are used for further treating water quality.
Preferably, the self-suction jet pump, the filtering device, the aeration system, the MBR membrane system and the electrochemical flocculator are all fixedly connected with a pipeline system, and the pipeline system is used for circulating sewage and discharging residues.
Preferably, the electrochemical flocculator is a core part of the device and consists of a shell, a polar plate, an electrode and the like, and quartz sand and activated carbon are arranged inside the filtering device.
Preferably, according to the above electrochemical-bulk sewage treatment apparatus, there is provided an electrochemical-bulk sewage treatment method comprising the steps of:
s1: the sewage in the sewage tank enters an electrochemical flocculator through a lift pump;
s2: the control system automatically detects the solid content in the sewage and leads suspended matters in the sewage to be gathered into precipitable particles;
s3: introducing the flocculated solid particles from the electrochemical flocculator into an automatic solid-liquid separator for filtering;
s4: directly discharging the filter residue part of the sewage subjected to automatic solid-liquid filter pressing separation, and discharging the liquid part into a clean water tank and an MBR (membrane bioreactor) tank for retreatment through an MBR membrane system;
s5: liquid treated in the MBR membrane system enters a self-priming pump and is discharged to obtain water up to standard.
Compared with the prior art, the invention provides an electrochemical-body sewage treatment device and method, which have the following beneficial effects:
1. the electrochemical-integrated sewage treatment device comprises a lift pump, an electrochemical flocculator, an automatic solid-liquid filter-pressing separator, a clean water tank, a filtering device, an MBR membrane tank, an automatic control system and the like, all the components are highly integrated on the same base, the device has small appearance, extremely high treatment capacity, high sewage treatment efficiency, small equipment volume, small occupied area and saving of a large amount of resources.
2. The electrochemical-body sewage treatment device and the method adopt electrochemical flocculation treatment when removing suspended matters in water, do not need to add medicaments to cause secondary pollution to water, and have no influence on water quality.
3. The electrochemical-body sewage treatment device and the electrochemical-body sewage treatment method have high automation degree, can automatically adjust when the treated water quality is changed, and ensure that the effluent index is qualified.
Drawings
FIG. 1 is a schematic view of the structure of a self-priming jet pump and a filter device according to the present invention.
Fig. 2 is a schematic diagram of an electrochemical flocculator and associated structure of the present invention.
FIG. 3 is a schematic diagram of an automatic solid-liquid separator and related structure thereof according to the present invention.
FIG. 4 is a schematic flow chart of the present invention.
Wherein: 1. a self-priming jet pump; 2. a filtration device; 3. a box body; 4. an aeration system; 5. MBR membrane system; 6. an electrochemical flocculator; 7. an automatic solid-liquid separator.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows: referring to fig. 1-4, an electrochemical-integrated sewage treatment device and method is disclosed, wherein the electrochemical-integrated sewage treatment device comprises a lift pump, an electrochemical flocculator 6, an automatic solid-liquid filter-press separator, a clean water tank, a filter device 2, an MBR membrane tank, an automatic control system and the like, sewage firstly enters the electrochemical flocculator 6 from the sewage tank, sewage discharged from the electrochemical flocculator 6 enters an automatic solid-liquid filter-press separation step, then residues are filtered out, the sewage continuously enters the clean water tank and enters the MBR tank through the filter device 2, and finally standard water is obtained.
Example two: referring to fig. 1-4, in the prior art, chemicals are added to flocculate suspended matters in water, and the present invention electrochemically flocculates suspended matters in water, and removes heavy metals and kills harmful bacteria in water.
Example three: referring to fig. 1-4, the prior art is not suitable for high suspended matter sewage, the present invention is applicable, the water quality of the inlet water of the prior art needs manual test to adjust the value when changing, the present invention automatically adjusts the parameters according to the water quality change, the prior art device for treating the same amount of water has large volume, and the volume of the present invention is one half of the volume of the prior art device.
The working principle is as follows: when the electrochemical-solid sewage treatment device and the method are used, the electrochemical integrated sewage treatment device comprises a lift pump, an electrochemical flocculator 6, an automatic solid-liquid filter-press separator, a clean water tank, a filter device 2, an MBR membrane tank, an automatic control system and the like, all parts are highly integrated on the same base, the device has small appearance and high treatment capacity, when in use, sewage in the sewage tank enters the electrochemical flocculator 6 through the lift pump, the control system automatically detects the solid content in the sewage and enables suspended matters in the sewage to be aggregated into precipitable particles, in addition, the control system can automatically detect the SS content in the sewage, a certain current is supplied to a polar plate according to the detected value, a certain amount of charges are generated between a cathode plate and an anode plate, the suspended matters in the sewage are rapidly aggregated to form precipitable large particles, and the large particles are separated by the automatic solid-liquid filter-press of the next stage, through a series of electrochemical reactions, grease, heavy metals and color in water can be removed, and bacteria and the like in water can be killed; the solid particles flocculated in the electrochemical flocculator 6 are fed into an automatic solid-liquid separator 7 for filtration, and the automatic solid-liquid filter-pressing separation is composed of a filter plate, a frame, a hydraulic pressing device, a solid dropping device and the like, and mainly separates the particles in the water treated by the previous stage from the water in a solid form, the solid is transported out for treatment, and the separated water enters a clean water tank; through the sewage after automatic solid-liquid filter-pressing separation, the filter residue part is directly discharged, the liquid part is discharged into a clean water tank and is retreated through an MBR membrane system 5 with the MBR tank, and the liquid after treatment in the MBR membrane system 5 enters into a self-priming pump and is discharged to obtain water up to standard.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides an electrochemistry-body sewage water treatment facilities, includes from inhaling injection pump (1), aeration system (4) and automatic solid-liquid separator (7), its characterized in that: the device is characterized in that a filtering device (2) is fixedly mounted on the self-suction jet pump (1), an MBR (membrane bioreactor) system (5) is arranged on the right side of the aeration system (4), an electrochemical flocculator (6) is arranged above the aeration system (4), and a box body (3) is fixedly mounted below the automatic solid-liquid separator (7).
2. An electrochemical-physical sewage treatment apparatus according to claim 1, wherein: the two self-sucking injection pumps (1) are arranged, and the power of each of the two self-sucking injection pumps (1) is 0.37 KW.
3. An electrochemical-physical sewage treatment apparatus according to claim 1, wherein: the number of the filter devices (2) is two.
4. An electrochemical-physical sewage treatment apparatus according to claim 1, wherein: the self-suction jet pump (1), the filtering device (2), the aeration system (4), the MBR membrane system (5) and the electrochemical flocculator (6) are all fixedly connected with a pipeline system.
5. An electrochemical-physical sewage treatment apparatus according to claim 1, wherein: the electrochemical flocculator (6) is a core part of the device and comprises a shell, a polar plate, an electrode and the like, and quartz sand and active carbon are arranged inside the filtering device (2).
6. An electrochemical bulk sewage treatment apparatus according to claim 1, wherein said electrochemical bulk sewage treatment method comprises: comprises the following steps:
s1: the sewage in the sewage tank enters an electrochemical flocculator (6) through a lift pump;
s2: the control system automatically detects the solid content in the sewage and leads suspended matters in the sewage to be gathered into precipitable particles;
s3: the solid particles flocculated in the electrochemical flocculator (6) are led into an automatic solid-liquid separator (7) for filtration;
s4: after the sewage is subjected to automatic solid-liquid filter pressing separation, the filter residue part is directly discharged, and the liquid part is discharged into a clean water tank and an MBR tank and is subjected to retreatment through an MBR membrane system (5);
s5: liquid treated in the MBR membrane system (5) enters a self-priming pump and is discharged to obtain water reaching the standard.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110904596.8A CN113620517A (en) | 2021-08-07 | 2021-08-07 | Electrochemical-bulk sewage treatment device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110904596.8A CN113620517A (en) | 2021-08-07 | 2021-08-07 | Electrochemical-bulk sewage treatment device and method |
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| Publication Number | Publication Date |
|---|---|
| CN113620517A true CN113620517A (en) | 2021-11-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110904596.8A Pending CN113620517A (en) | 2021-08-07 | 2021-08-07 | Electrochemical-bulk sewage treatment device and method |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102180566A (en) * | 2011-03-19 | 2011-09-14 | 汤苏云 | Process method for combining physical-chemical treatment and biochemical treatment for reinjection water with oil-field produced water |
| CN202953895U (en) * | 2012-12-10 | 2013-05-29 | 成都飞创科技有限公司 | Electrocoagulation sewage treatment system |
| CN109851180A (en) * | 2019-04-11 | 2019-06-07 | 玄又玄(上海)科技中心(有限合伙) | A kind of sanitary sewage economic benefits and social benefits materializing strategy complete set of equipments and technique |
| CN211753063U (en) * | 2019-09-27 | 2020-10-27 | 金孚环保科技张家口有限公司 | Centrifugal filter |
-
2021
- 2021-08-07 CN CN202110904596.8A patent/CN113620517A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102180566A (en) * | 2011-03-19 | 2011-09-14 | 汤苏云 | Process method for combining physical-chemical treatment and biochemical treatment for reinjection water with oil-field produced water |
| CN202953895U (en) * | 2012-12-10 | 2013-05-29 | 成都飞创科技有限公司 | Electrocoagulation sewage treatment system |
| CN109851180A (en) * | 2019-04-11 | 2019-06-07 | 玄又玄(上海)科技中心(有限合伙) | A kind of sanitary sewage economic benefits and social benefits materializing strategy complete set of equipments and technique |
| CN211753063U (en) * | 2019-09-27 | 2020-10-27 | 金孚环保科技张家口有限公司 | Centrifugal filter |
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