CN110723837A - Zero release sewage treatment system - Google Patents
Zero release sewage treatment system Download PDFInfo
- Publication number
- CN110723837A CN110723837A CN201910868036.4A CN201910868036A CN110723837A CN 110723837 A CN110723837 A CN 110723837A CN 201910868036 A CN201910868036 A CN 201910868036A CN 110723837 A CN110723837 A CN 110723837A
- Authority
- CN
- China
- Prior art keywords
- tank
- sewage
- treatment system
- sewage treatment
- inclined tube
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000010865 sewage Substances 0.000 title claims abstract description 44
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 43
- 238000004062 sedimentation Methods 0.000 claims abstract description 36
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 20
- 239000001301 oxygen Substances 0.000 claims abstract description 20
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims abstract description 16
- 238000001914 filtration Methods 0.000 claims abstract description 15
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 14
- 238000003825 pressing Methods 0.000 claims abstract description 13
- 238000006243 chemical reaction Methods 0.000 claims abstract description 10
- 239000003814 drug Substances 0.000 claims abstract description 9
- 230000007246 mechanism Effects 0.000 claims description 21
- 238000003756 stirring Methods 0.000 claims description 15
- 239000000126 substance Substances 0.000 claims description 14
- 238000001035 drying Methods 0.000 claims description 10
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 9
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 6
- 238000000926 separation method Methods 0.000 claims description 6
- DIZPMCHEQGEION-UHFFFAOYSA-H aluminium sulfate (anhydrous) Chemical compound [Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O DIZPMCHEQGEION-UHFFFAOYSA-H 0.000 claims description 3
- 229910001629 magnesium chloride Inorganic materials 0.000 claims description 3
- 235000011121 sodium hydroxide Nutrition 0.000 claims description 3
- 239000007788 liquid Substances 0.000 abstract description 8
- 230000009965 odorless effect Effects 0.000 abstract description 4
- 230000009967 tasteless effect Effects 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000002156 mixing Methods 0.000 abstract description 2
- 239000000203 mixture Substances 0.000 abstract description 2
- 239000002244 precipitate Substances 0.000 abstract description 2
- 238000006479 redox reaction Methods 0.000 abstract description 2
- 238000004090 dissolution Methods 0.000 abstract 1
- 239000002351 wastewater Substances 0.000 description 7
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 3
- OUUQCZGPVNCOIJ-UHFFFAOYSA-M Superoxide Chemical compound [O-][O] OUUQCZGPVNCOIJ-UHFFFAOYSA-M 0.000 description 3
- 229910052698 phosphorus Inorganic materials 0.000 description 3
- 239000011574 phosphorus Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000000976 ink Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
Images
Classifications
-
- 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
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
-
- 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
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/78—Treatment of water, waste water, or sewage by oxidation with ozone
Abstract
The invention discloses a zero-emission sewage treatment system, which comprises: a sewage tank, a dosing device, a reaction sedimentation tank, a pressure plate filtering device, a super-oxygen machine, a venturi tube and a tubular folding reactor. The sewage is reacted, precipitated and separated in a reaction sedimentation tank after being added with medicine by a medicine adding device, the precipitate is conveyed to a pressing plate filtering device for pressing plate filtering, the sewage extruded by the pressing plate filtering device is recovered to a sewage tank, the separated clear water is subjected to dissolution reaction with ozone generated by a super oxygen machine by a Venturi tube and is further highly dissolved by a tubular folding reactor 7, and finally, the treated milk-like water which can be safely discharged is obtained. The invention has the beneficial effects that: clear water precipitated by the inclined tube is subjected to gas-liquid mixing with ozone generated by a super-oxygen machine through a Venturi tube, reduction oxidation reaction is further carried out, the gas-liquid mixture is further dissolved through a tubular folding reactor, and finally, odorless and tasteless milk-shaped bubble mixed liquid reaching the standard of recovered water is obtained.
Description
Technical Field
The invention relates to a zero-emission sewage treatment system.
Background
Phosphorus-containing sewage discharged from an automobile cleaning plant, ink-containing wastewater discharged from a printing plant, iron-containing wastewater discharged from a steel pipe furniture plant and the like need to be treated for discharge. The sewage and wastewater has high oil stain, printing ink, metal or phosphorus content and odor, common sewage treatment equipment cannot completely treat the sewage and cannot realize complete zero emission, and the existing sewage treatment equipment has low treatment efficiency.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a zero-discharge sewage treatment system.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a zero release sewage treatment system which is characterized in that: it includes:
a sewage tank, a sewage tank and a sewage tank,
a medicine adding device,
the reaction sedimentation tank comprises a stirring tank and an inclined tube sedimentation tank, the chemical feeding device conveys a chemical to the stirring tank, a first sedimentation cone port is arranged at the bottom of the stirring tank, the middle part of the stirring tank is communicated to the inclined tube sedimentation tank, an upper inclined tube and a lower inclined tube are arranged in the inclined tube sedimentation tank, and a second sedimentation cone port is arranged at the bottom of the inclined tube sedimentation tank;
the first sedimentation cone port and the second sedimentation cone port are respectively connected to the pressing plate filtering device, and the water outlet end of the pressing plate filtering device is connected to the sewage pool;
the super-oxygen machine comprises an air inlet, a drying mechanism, an oxygen production separation mechanism, a high-voltage discharge mechanism and an ozone outlet, wherein air enters the drying mechanism through the air inlet to be dried and then is output to the oxygen production separation mechanism to be separated into oxygen, and the oxygen is discharged through the high-voltage discharge mechanism to generate ozone and then is output from the ozone outlet;
the venturi tube comprises a water inlet, an air inlet and a water outlet, the water outlet at the upper part of the inclined tube sedimentation tank is connected to the water inlet of the venturi tube, and the ozone outlet of the ultrasonic machine is connected to the air inlet of the venturi tube; and
the tubular folding reactor comprises a plurality of snakelike connected folding plates, micropores are distributed on the folding plates, the water outlet of the Venturi tube is connected with the water inlet of the tubular folding reactor, and the treated water flows out of the water outlet of the tubular folding reactor.
In another preferred embodiment, the dosing device respectively delivers the medicament caustic soda flakes, the aluminum sulfate and the magnesium chloride through a delivery pump, the pH value in the stirring tank is controlled to be 7-8, and the ratio of the medicament to the sewage is 3-200 per mill.
In another preferred embodiment, the inclination directions of the upper and lower inclined tubes are opposite.
In another preferred embodiment, the drying mechanism comprises a box body and at least one group of evaporators, the at least one group of evaporators are installed in the box body, and an air filter is arranged on the air inlet.
In another preferred embodiment, the micro-holes are tapered holes processed by laser micro-holes, the tapered holes are gradually reduced from the water flow direction of the tubular folding reactor, and the diameter of the micro-holes is 1.5-2 mm.
In another preferred embodiment, the angle of the folding plate with respect to the vertical is 10-50 °.
In another preferred embodiment, a high pressure pump is provided between the venturi tube and the tube folding reactor.
The invention has the beneficial effects that: the invention firstly adopts the reaction of the medicament and the substances in the sewage, the slag substances generated by the reaction are filtered by a pressing plate through a pressing plate filter, the water in the process returns to the sewage tank for recovery treatment, the clear water enters an inclined tube sedimentation tank for further sedimentation, the sediment is also sent to a pressing plate for filtration, the clear water precipitated by the inclined tube is subjected to gas-liquid mixing with ozone generated by a superoxide machine through a Venturi tube, further reduction-oxidation reaction is carried out, the gas-liquid mixture is further dissolved through a tubular folding reactor, and finally, odorless and tasteless milk-shaped bubble mixed liquid reaching the standard of the recovered water is obtained.
The invention is further explained in detail with the accompanying drawings and the embodiments; however, a zero-discharge sewage treatment system of the present invention is not limited to the embodiment.
Drawings
Fig. 1 is a schematic structural diagram of a preferred embodiment of the present invention.
Fig. 2 is a schematic structural view of a folding plate according to a preferred embodiment of the present invention.
Detailed Description
Referring to fig. 1, an embodiment of the present invention provides a zero-emission sewage treatment system, including: a sewage tank 1, a dosing device 2, a reaction sedimentation tank 3, a pressure plate filtering device 4, a super oxygen machine 5, a venturi tube 6 and a tubular folding reactor 7. The sewage is reacted, precipitated and separated in a reaction sedimentation tank 33 after being added with medicine through a medicine adding device 22, the precipitate is conveyed to a pressing plate filtering device 4 for pressing plate filtering, the sewage extruded by the pressing plate filtering device 4 is recycled to a sewage tank 1, the separated clear water is further highly dissolved through a venturi tube 6 and ozone generated by a super-oxygen machine 5, and finally the treated milk-shaped water which can be safely discharged is obtained.
The specific structure and connection will be described in detail below:
in the embodiment, the chemical feeding device 2 respectively conveys chemical caustic soda flakes, aluminum sulfate and magnesium chloride through a conveying pump, the PH in the stirring tank is controlled to be 7-8, and the ratio of the chemical to the sewage is 3-200 per mill.
The reaction sedimentation tank 3 comprises a stirring tank 31 and an inclined tube sedimentation tank 32, the chemical feeding device 2 conveys the chemical to the stirring tank 31, a first sedimentation cone opening 311 is arranged at the bottom of the stirring tank 31, the middle part of the stirring tank 31 is communicated to the inclined tube sedimentation tank 32, an upper inclined tube 321 and a lower inclined tube 322 which are opposite in inclination direction are arranged in the inclined tube sedimentation tank 32, and a second sedimentation cone opening 323 is arranged at the bottom of the inclined tube sedimentation tank 32;
the first sedimentation cone port 311 and the second sedimentation cone port 323 are respectively connected to the pressure plate filtering device 4, and the water outlet end of the pressure plate filtering device 4 is connected to the sewage tank 1;
the super-oxygen machine 5 comprises an air inlet, an air filter 51, a drying mechanism 52, an oxygen production separation mechanism 53, a high-voltage discharge mechanism 54 and an ozone outlet, wherein air enters the drying mechanism 52 through the air inlet and the air filter 51 for drying, and then is output to the oxygen production separation mechanism 53 for separating oxygen, and the oxygen is discharged through the high-voltage discharge mechanism 54 to generate ozone and is output from the ozone outlet; the drying mechanism 52 includes a case 521 and two sets of evaporators 522, and the two sets of evaporators 522 are installed in the case 521.
The venturi tube 6 comprises a water inlet, a gas inlet and a water outlet, the water outlet at the upper part of the inclined tube sedimentation tank 32 is connected to the water inlet of the venturi tube 6, and the ozone outlet of the superoxide machine 5 is connected to the gas inlet of the venturi tube 6;
the tubular folding reactor 7 comprises a plurality of serpentine-connected folding plates 71, micropores 711 are distributed on the folding plates 71, the micropores 711 are taper holes processed by laser micropores, the taper holes 711 are gradually reduced from the water flow direction of the tubular folding reactor 7, and the diameter of the micropores 711 is 1.5-2 mm. The angle of the folding plate relative to the vertical plane is 30 degrees. The water outlet of the venturi tube 6 is connected with the water inlet of the tubular folding reactor 7 through the high-pressure pump 8, and the bubble mixed liquid passes through the folding plate in the tubular folding reactor 7 under high pressure, and is efficiently dissolved through multiple times of refraction and collision to obtain the odorless, tasteless and decolored milk-shaped bubble mixed liquid reaching the reclaimed water standard.
The sewage treatment system of the embodiment has the advantages that the reusable water obtained after the wastewater of the automobile cleaning plant is treated has no oil stain, clear water quality, no phosphorus, no other impurities and no corrosion; after the wastewater of the printing plant is treated, the wastewater is odorless and colorless and can be reused; the wastewater of the steel pipe factory is treated by heavy metal precipitation, superoxide oxidation and the like, so that the water quality is clear and reaches the index of reuse water.
The above embodiments are only used to further illustrate a zero-emission sewage treatment system of the present invention, but the present invention is not limited to the embodiments, and any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention fall within the protection scope of the technical solution of the present invention.
Claims (7)
1. A zero release sewage treatment system which is characterized in that: it includes:
a sewage tank, a sewage tank and a sewage tank,
a medicine adding device,
the reaction sedimentation tank comprises a stirring tank and an inclined tube sedimentation tank, the chemical feeding device conveys a chemical to the stirring tank, a first sedimentation cone port is arranged at the bottom of the stirring tank, the middle part of the stirring tank is communicated to the inclined tube sedimentation tank, an upper inclined tube and a lower inclined tube are arranged in the inclined tube sedimentation tank, and a second sedimentation cone port is arranged at the bottom of the inclined tube sedimentation tank;
the first sedimentation cone port and the second sedimentation cone port are respectively connected to the pressing plate filtering device, and the water outlet end of the pressing plate filtering device is connected to the sewage pool;
the super-oxygen machine comprises an air inlet, a drying mechanism, an oxygen production separation mechanism, a high-voltage discharge mechanism and an ozone outlet, wherein air enters the drying mechanism through the air inlet to be dried and then is output to the oxygen production separation mechanism to be separated into oxygen, and the oxygen is discharged through the high-voltage discharge mechanism to generate ozone and then is output from the ozone outlet;
the venturi tube comprises a water inlet, an air inlet and a water outlet, the water outlet at the upper part of the inclined tube sedimentation tank is connected to the water inlet of the venturi tube, and the ozone outlet of the ultrasonic machine is connected to the air inlet of the venturi tube; and
the tubular folding reactor comprises a plurality of snakelike connected folding plates, micropores are distributed on the folding plates, the water outlet of the Venturi tube is connected with the water inlet of the tubular folding reactor, and the treated water flows out of the water outlet of the tubular folding reactor.
2. The zero-emission sewage treatment system according to claim 1, wherein: the chemical feeding device is used for conveying chemicals such as caustic soda flakes, aluminum sulfate and magnesium chloride through a conveying pump respectively, the PH value in the stirring tank is controlled to be 7-8, and the ratio of the chemicals to the sewage is 3-200 per mill.
3. The zero-emission sewage treatment system according to claim 1, wherein: the inclined directions of the upper inclined tube and the lower inclined tube are opposite.
4. The zero-emission sewage treatment system according to claim 1, wherein: the drying mechanism comprises a box body and at least one group of evaporators, the at least one group of evaporators are installed in the box body, and an air filter is arranged on an air inlet.
5. The zero-emission sewage treatment system according to claim 1, wherein: the micropore is a taper hole processed by laser micropore, the taper hole is gradually reduced from the water flow direction of the tubular folding reactor, and the diameter of the micropore is 1.5-2 mm.
6. The zero-discharge sewage treatment system according to claim 1 or 5, wherein: the included angle of the folding plate relative to the vertical plane is 10-50 degrees.
7. The zero-emission sewage treatment system according to claim 1, wherein: and a high-pressure pump is arranged between the Venturi tube and the tubular folding reactor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910868036.4A CN110723837A (en) | 2019-09-09 | 2019-09-09 | Zero release sewage treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910868036.4A CN110723837A (en) | 2019-09-09 | 2019-09-09 | Zero release sewage treatment system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110723837A true CN110723837A (en) | 2020-01-24 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910868036.4A Pending CN110723837A (en) | 2019-09-09 | 2019-09-09 | Zero release sewage treatment system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110777054A (en) * | 2019-11-12 | 2020-02-11 | 重庆大学 | Controllable turbulent flow type microalgae cultivation device capable of effectively improving carbon fixation efficiency |
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|---|---|---|---|---|
| KR100784509B1 (en) * | 2007-01-02 | 2007-12-11 | 주식회사 젠트로 | Photocata lytic wastewater treatment unit and gas mixing type wastewater treatment apparatus having the same unit |
| CN103663895A (en) * | 2013-12-03 | 2014-03-26 | 南京德磊科技有限公司 | Sludge treatment system and method thereof |
| CN104773880A (en) * | 2015-05-05 | 2015-07-15 | 南充西南石油大学设计研究院有限责任公司 | Sewage treatment technology and equipment for well drilling |
| WO2016074903A1 (en) * | 2014-11-10 | 2016-05-19 | Eme International Limited | Device for mixing water and diesel oil, apparatus and process for producing a water/diesel oil micro-emulsion. |
| CN207062053U (en) * | 2017-03-03 | 2018-03-02 | 杭州问源环保科技股份有限公司 | A kind of integrated sewage treating apparatus |
| CN210825733U (en) * | 2019-09-09 | 2020-06-23 | 多路发环境净化技术(福建)有限公司 | Zero release sewage treatment system |
-
2019
- 2019-09-09 CN CN201910868036.4A patent/CN110723837A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100784509B1 (en) * | 2007-01-02 | 2007-12-11 | 주식회사 젠트로 | Photocata lytic wastewater treatment unit and gas mixing type wastewater treatment apparatus having the same unit |
| CN103663895A (en) * | 2013-12-03 | 2014-03-26 | 南京德磊科技有限公司 | Sludge treatment system and method thereof |
| WO2016074903A1 (en) * | 2014-11-10 | 2016-05-19 | Eme International Limited | Device for mixing water and diesel oil, apparatus and process for producing a water/diesel oil micro-emulsion. |
| CN104773880A (en) * | 2015-05-05 | 2015-07-15 | 南充西南石油大学设计研究院有限责任公司 | Sewage treatment technology and equipment for well drilling |
| CN207062053U (en) * | 2017-03-03 | 2018-03-02 | 杭州问源环保科技股份有限公司 | A kind of integrated sewage treating apparatus |
| CN210825733U (en) * | 2019-09-09 | 2020-06-23 | 多路发环境净化技术(福建)有限公司 | Zero release sewage treatment system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110777054A (en) * | 2019-11-12 | 2020-02-11 | 重庆大学 | Controllable turbulent flow type microalgae cultivation device capable of effectively improving carbon fixation efficiency |
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