CN111392976A - Organic wastewater and sewage treatment equipment and sewage treatment method - Google Patents
Organic wastewater and sewage treatment equipment and sewage treatment method Download PDFInfo
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- CN111392976A CN111392976A CN202010283516.7A CN202010283516A CN111392976A CN 111392976 A CN111392976 A CN 111392976A CN 202010283516 A CN202010283516 A CN 202010283516A CN 111392976 A CN111392976 A CN 111392976A
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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
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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
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
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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
- C02F1/24—Treatment of water, waste water, or sewage by flotation
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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
- C02F1/52—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
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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
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5263—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using natural chemical compounds
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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
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
- C02F1/56—Macromolecular compounds
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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
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
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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
- C02F2001/007—Processes including a sedimentation step
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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
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
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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
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
- C02F3/10—Packings; Fillings; Grids
- C02F3/105—Characterized by the chemical composition
- C02F3/107—Inorganic materials, e.g. sand, silicates
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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
- C02F7/00—Aeration of stretches of water
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- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Biological Treatment Of Waste Water (AREA)
Abstract
The invention relates to the technical field of sewage treatment, in particular to an organic wastewater treatment device and a sewage treatment method, which have simple structure, can effectively treat organic sewage and are not easy to break down; a preliminary filtering unit, a first buffer tank, a chemical biological flocculation reaction tank, an air floatation tank, a suspension packed bed, a filtering tank, a second buffer tank and a clean water tank are sequentially arranged along the water flow direction.
Description
Technical Field
The invention relates to the technical field of sewage treatment, in particular to organic wastewater and sewage treatment equipment and a sewage treatment method.
Background
As is well known, an organic wastewater and sewage treatment apparatus and a sewage treatment method are one of the applications, which are widely used in the field thereof; the existing organic wastewater and sewage treatment equipment and the existing sewage treatment method comprise the following steps; when the existing organic wastewater and sewage treatment equipment and the existing sewage treatment method are used; the existing organic wastewater and sewage treatment equipment and the existing sewage treatment method are discovered in use.
Disclosure of Invention
Technical problem to be solved
In order to solve the technical problems, the invention provides an organic wastewater treatment device which is simple in structure, can effectively treat organic wastewater and is not easy to break down.
The invention also aims to provide a method for treating the organic wastewater and sewage.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme: an organic wastewater and sewage treatment device is sequentially provided with a primary filtering unit, a first buffer tank, a chemical biological flocculation reaction tank, an air floatation tank, a suspended packed bed, a filtering tank, a second buffer tank and a clean water tank along the water flow direction;
the primary filtering unit comprises a tank body and three groups of partition plates longitudinally arranged at the bottom in the tank body, the tank body is divided into four chambers by the three groups of partition plates, the bottoms of three chambers positioned on the left side are conical and are communicated with a sludge pump, and the heights of the three groups of partition plates are sequentially reduced along the water flow direction;
a first buffer pool: the sewage after primary filtration enters a first buffer tank, and the physical property of the sewage is adjusted in the first buffer tank;
a chemical biological flocculation reaction tank: pumping the sewage in the first buffer tank into a chemical biological flocculation sedimentation tank for flocculation through a water pump;
an air floatation tank: a first aeration device is arranged at the bottom in the air flotation tank, and a slag scraping device is arranged at the top of the air flotation tank;
suspension packed bed: the biological membrane aeration device comprises a water tank, wherein a second aeration device is arranged at the bottom in the water tank, a biological membrane support is arranged in the water tank in a swinging mode, a plurality of biological membrane components are arranged on the biological membrane support, the output ends of the biological membrane components are communicated with a hose, and a water pump is arranged at the output end of the hose;
a filter tank: water in the suspension packed bed is pumped to a filter tank by a water pump, and a volcanic filter material is arranged in the filter tank;
a second buffer pool: the filtered water enters a second buffer pool, and the physical property of the filtered water is adjusted in the second buffer pool;
a clean water tank: for holding the purified water for subsequent use.
According to the organic wastewater and sewage treatment equipment, the V-shaped groove is further arranged in the air floatation tank, the V-shaped groove is arranged at the output end of the slag scraping device, the output end of the V-shaped groove is provided with the sedimentation tank, and the bottom in the sedimentation tank is provided with the sludge pump for conveying sludge.
According to the organic wastewater and sewage treatment equipment, volcanic rock filter materials and aerobic bacteria attached to the volcanic rock filter materials are arranged in the biological membrane component.
The invention relates to an organic wastewater and sewage treatment device, wherein a plug-flow aeration device is arranged at the bottom in a chemical biological flocculation reaction tank.
The invention discloses a sewage treatment method of organic wastewater and sewage treatment equipment, which comprises the following steps: s1, introducing the sewage into a primary filtering unit, and separating large impurities and most of floating objects in the sewage by using gravity to form a mixed solution A;
s2, introducing the mixed liquid A into the first buffer tank in the step S1, adjusting the pH value of the mixed liquid A to be 6-8 in the first buffer tank, and adjusting the temperature to the outdoor temperature to form a mixed liquid B;
s3, pumping the mixed liquor B into the chemical biological flocculation reaction tank by using a water pump, and adding a flocculating agent into the chemical biological flocculation reaction tank, wherein the flocculating agent needs to be stirred in the adding process;
s4, enabling water in the chemical biological flocculation reaction tank to flow into the air flotation tank by using a plug flow aeration device, enabling the highly dispersed micro gas gown to serve as a carrier to be adhered to suspended pollutants in wastewater, enabling the buoyancy of the suspended pollutants to be larger than gravity and resistance so as to enable the pollutants to float to the water surface to form foam, scraping the suspended pollutants into the sedimentation tank by using a slag scraping device for subsequent treatment, and conveying mixed liquid C formed by liquid in the chemical biological flocculation reaction tank to the bottom in a suspended filler bed by using a water pump;
s5, blowing air at the bottom in the suspension packed bed provides oxygen for aerobic bacteria, and the volcanic filter material shows in the aspect of physical microstructure as follows: the surface is rough and microporous, the characteristics are particularly suitable for the growth and the propagation of microorganisms on the surface to form a biological film, organic matters in the mixed solution C are thoroughly removed, the water treated by aerobic bacteria is pumped into a filtering tank by a water pump to be filtered, the solid is separated from the liquid, the liquid forms a mixed solution D, and the mixed solution D flows into a second buffer tank;
and S6, adjusting the pH value of the mixed liquid D to 7 in the second buffer tank, and pumping the mixed liquid D into the clean water tank by a water pump for replacing.
According to the sewage treatment method of the organic wastewater and sewage treatment equipment, the flocculating agent in the step S3 is a mixture of pullulan and polyaluminium chloride.
In the sewage treatment method of the organic wastewater and sewage treatment equipment, in the step S5, the driving mechanism of the biofilm bracket needs to be opened periodically to swing the biofilm bracket and the biofilm assembly, so that impurities attached to the surface of the biofilm assembly are removed, and the treatment effect is improved.
(III) advantageous effects
Compared with the prior art, the invention provides an organic wastewater and sewage treatment device and a sewage treatment method, which have the following beneficial effects: compared with the prior art, the method has the advantages that most visible impurities in the sewage are separated under the action of gravity, pullulan and polyaluminium chloride flocculating agents are added into the sewage, the pullulan is a viscous polysaccharide macromolecular substance produced by aureobasidium pullulans cells, the surface of the pullulan is negatively charged, the pullulan has the advantages of being non-toxic, edible, degradable by cherry tomato and the like, an active effect is achieved for polyaluminium chloride flocculation, after flocculation, suspended matters are completely removed through an air flotation machine, residual organic matters in the sewage are completely decomposed through aerobic bacteria treatment at volcanic rock filter materials, meanwhile, a biological membrane support can periodically swing to clean the impurities on the surface of a biological membrane component, so that the activity of microorganisms is guaranteed, then small and medium particle impurities are further removed through filtration, and the small particle impurities are adjusted to be recycled.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of a portion A of FIG. 1;
FIG. 3 is a partial enlarged view of portion B of FIG. 1;
in the drawings, the reference numbers: 1. a preliminary filtering unit; 2. a first buffer pool; 3. a chemical biological flocculation reaction tank; 4. an air floatation tank; 5. a suspended packed bed; 6. a filtration tank; 7. a second buffer pool; 8. a clean water tank; 9. a sedimentation tank.
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.
Examples
Referring to fig. 1-3, the organic wastewater and sewage treatment equipment of the present invention is sequentially provided with a primary filtering unit 1, a first buffer tank 2, a chemical biological flocculation reaction tank 3, an air flotation tank 4, a suspended packed bed 5, a filtering tank 6, a second buffer tank 7 and a clean water tank 8 along a water flow direction;
the primary filtering unit 1 comprises a tank body and three groups of partition plates longitudinally arranged at the bottom in the tank body, the tank body is divided into four chambers by the three groups of partition plates, the bottoms of three chambers positioned on the left side are conical and communicated with a sludge pump, and the heights of the three groups of partition plates are sequentially reduced along the water flow direction;
first buffer pool 2: the sewage after primary filtration enters the first buffer tank 2, and the physical property of the sewage is adjusted in the first buffer tank 2;
and (3) a chemical biological flocculation reaction tank: pumping the sewage in the first buffer tank 2 into a chemical biological flocculation sedimentation tank 9 through a water pump for flocculation;
and (4) floatation tank: a first aeration device is arranged at the bottom in the air floatation tank 4, and a slag scraping device is arranged at the top of the air floatation tank 4;
suspension packed bed 5: the biological membrane aeration device comprises a water tank, wherein a second aeration device is arranged at the bottom in the water tank, a biological membrane support is arranged in the water tank in a swinging mode, a plurality of biological membrane components are arranged on the biological membrane support, the output ends of the biological membrane components are communicated with a hose, and a water pump is arranged at the output end of the hose;
and (6) a filtering tank: water in the suspension packed bed 5 is pumped to a filter tank 6 by a water pump, and a volcanic rock filter material is arranged in the filter tank 6;
the second buffer tank 7: the filtered water enters the second buffer tank 7, and the physical property of the filtered water is adjusted in the second buffer tank 7;
the clean water tank 8: for holding the purified water for subsequent use.
According to the organic wastewater and sewage treatment equipment, the V-shaped groove is further formed in the air floatation tank 4 and is arranged at the output end of the slag scraping device, the output end of the V-shaped groove is provided with the sedimentation tank 9, and the bottom in the sedimentation tank 9 is provided with the sludge pump for conveying sludge.
According to the organic wastewater and sewage treatment equipment, volcanic rock filter materials and aerobic bacteria attached to the volcanic rock filter materials are arranged in the biological membrane component.
The invention relates to an organic wastewater and sewage treatment device, wherein a plug-flow aeration device is arranged at the bottom in a chemical biological flocculation reaction tank 3.
The invention discloses a sewage treatment method of organic wastewater and sewage treatment equipment, which comprises the following steps: s1, introducing the sewage into the primary filtering unit 1, and separating large impurities and most of floating objects in the sewage by using gravity to form a mixed solution A;
s2, introducing the mixed solution A into the first buffer tank 2 in the step S1, adjusting the pH value of the mixed solution A to be 6-8 in the first buffer tank 2, and adjusting the temperature to the outdoor temperature to form a mixed solution B;
s3, pumping the mixed liquor B into the chemical biological flocculation reaction tank 3 by using a water pump, adding a mixture of a flocculating agent pullulan and polyaluminium chloride into the chemical biological flocculation reaction tank 3, and stirring in the flocculating agent adding process;
s4, enabling water in the chemical biological flocculation reaction tank 3 to flow into the air floatation tank 4 by using a plug flow aeration device, enabling the water to be adhered to suspended pollutants in the wastewater by using a highly dispersed micro gas gown as a carrier, enabling the buoyancy of the suspended pollutants to be larger than the gravity and the resistance so as to enable the pollutants to float to the water surface to form foam, scraping the suspended pollutants into the sedimentation tank 9 by using a slag scraping device for subsequent treatment, and conveying mixed liquid C formed by liquid in the chemical biological flocculation reaction tank 3 to the bottom in the suspended filler bed 5 by using a water pump;
s5, blowing air at the bottom in the suspension packed bed 5 provides oxygen for aerobic bacteria, and the volcanic filter material shows in the aspect of physical microstructure as follows: the mixed liquid C is particularly suitable for growth and propagation of microorganisms on the surface of the mixed liquid C to form a biological membrane, organic matters in the mixed liquid C are thoroughly removed, a driving mechanism of the biological membrane support needs to be opened periodically to enable the biological membrane support and the biological membrane component to swing, impurities attached to the surface of the biological membrane component are removed to improve the treatment effect, water treated by aerobic bacteria is pumped into a filtering tank 6 through a water pump to be filtered, solid and liquid are separated, the liquid forms a mixed liquid D, and the mixed liquid D flows into a second buffer tank 7;
and S6, adjusting the pH value of the mixed solution D to 7 in the second buffer tank 7, and pumping the mixed solution D into the clean water tank 8 by a water pump for substitution.
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 (7)
1. An organic wastewater and sewage treatment device and a sewage treatment method are characterized in that: a primary filtering unit, a first buffer tank, a chemical biological flocculation reaction tank, an air floatation tank, a suspended packed bed, a filtering tank, a second buffer tank and a clean water tank are sequentially arranged along the water flow direction;
the primary filtering unit comprises a tank body and three groups of partition plates longitudinally arranged at the bottom in the tank body, the tank body is divided into four chambers by the three groups of partition plates, the bottoms of three chambers positioned on the left side are conical and are communicated with a sludge pump, and the heights of the three groups of partition plates are sequentially reduced along the water flow direction;
a first buffer pool: the sewage after primary filtration enters a first buffer tank, and the physical property of the sewage is adjusted in the first buffer tank;
a chemical biological flocculation reaction tank: pumping the sewage in the first buffer tank into a chemical biological flocculation sedimentation tank for flocculation through a water pump;
an air floatation tank: a first aeration device is arranged at the bottom in the air flotation tank, and a slag scraping device is arranged at the top of the air flotation tank;
suspension packed bed: the biological membrane aeration device comprises a water tank, wherein a second aeration device is arranged at the bottom in the water tank, a biological membrane support is arranged in the water tank in a swinging mode, a plurality of biological membrane components are arranged on the biological membrane support, the output ends of the biological membrane components are communicated with a hose, and a water pump is arranged at the output end of the hose;
a filter tank: water in the suspension packed bed is pumped to a filter tank by a water pump, and a volcanic filter material is arranged in the filter tank;
a second buffer pool: the filtered water enters a second buffer pool, and the physical property of the filtered water is adjusted in the second buffer pool;
a clean water tank: for holding the purified water for subsequent use.
2. The organic wastewater and sewage treatment plant according to claim 1, wherein: the inside V type groove that still is provided with of air supporting pond, V type groove are installed at the output of scraping sediment device, and the output in V type groove is provided with the sedimentation tank, and the bottom is provided with the sludge pump that is used for transporting mud in the sedimentation tank.
3. The organic wastewater and sewage treatment plant according to claim 2, wherein: volcanic filter materials and aerobic bacteria attached to the volcanic filter materials are arranged in the biological membrane component.
4. The organic wastewater and sewage treatment plant according to claim 3, wherein: and a plug-flow aeration device is arranged at the bottom in the chemical biological flocculation reaction tank.
5. The sewage treatment method of an organic wastewater sewage treatment facility according to any one of claims 1 to 4, characterized in that: the method comprises the following steps: s1, introducing the sewage into a primary filtering unit, and separating large impurities and most of floating objects in the sewage by using gravity to form a mixed solution A;
s2, introducing the mixed liquid A into the first buffer tank in the step S1, adjusting the pH value of the mixed liquid A to be 6-8 in the first buffer tank, and adjusting the temperature to the outdoor temperature to form a mixed liquid B;
s3, pumping the mixed liquor B into the chemical biological flocculation reaction tank by using a water pump, and adding a flocculating agent into the chemical biological flocculation reaction tank, wherein the flocculating agent needs to be stirred in the adding process;
s4, enabling water in the chemical biological flocculation reaction tank to flow into the air flotation tank by using a plug flow aeration device, enabling the highly dispersed micro gas gown to serve as a carrier to be adhered to suspended pollutants in wastewater, enabling the buoyancy of the suspended pollutants to be larger than gravity and resistance so as to enable the pollutants to float to the water surface to form foam, scraping the suspended pollutants into the sedimentation tank by using a slag scraping device for subsequent treatment, and conveying mixed liquid C formed by liquid in the chemical biological flocculation reaction tank to the bottom in a suspended filler bed by using a water pump;
s5, blowing air at the bottom in the suspension packed bed provides oxygen for aerobic bacteria, and the volcanic filter material shows in the aspect of physical microstructure as follows: the surface is rough and microporous, the characteristics are particularly suitable for the growth and the propagation of microorganisms on the surface to form a biological film, organic matters in the mixed solution C are thoroughly removed, the water treated by aerobic bacteria is pumped into a filtering tank by a water pump to be filtered, the solid is separated from the liquid, the liquid forms a mixed solution D, and the mixed solution D flows into a second buffer tank;
and S6, adjusting the pH value of the mixed liquid D to 7 in the second buffer tank, and pumping the mixed liquid D into the clean water tank by a water pump for replacing.
6. The organic wastewater and sewage treatment device and the sewage treatment method according to claim 1, wherein: in the step S3, the flocculating agent is a mixture of pullulan and polyaluminium chloride.
7. The organic wastewater and sewage treatment device and the sewage treatment method according to claim 1, wherein: in the step S5, the driving mechanism of the biofilm carrier needs to be periodically opened to swing the biofilm carrier and the biofilm assembly, so as to remove impurities attached to the surface of the biofilm assembly, thereby improving the treatment effect.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010283516.7A CN111392976A (en) | 2020-04-13 | 2020-04-13 | Organic wastewater and sewage treatment equipment and sewage treatment method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010283516.7A CN111392976A (en) | 2020-04-13 | 2020-04-13 | Organic wastewater and sewage treatment equipment and sewage treatment method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115403217A (en) * | 2022-08-18 | 2022-11-29 | 天津天元新材料科技有限公司 | Water treatment process for treating by adopting fluidized bed biofilm reactor equipment |
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2020
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| CN101293724A (en) * | 2008-05-15 | 2008-10-29 | 北京能拓高科技有限公司 | Miniature general use sewage treatment system |
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| WO2013156002A1 (en) * | 2012-04-19 | 2013-10-24 | 波鹰(厦门)科技有限公司 | Nano catalyst electrolysis flocculation air flotation device |
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| CN115403217A (en) * | 2022-08-18 | 2022-11-29 | 天津天元新材料科技有限公司 | Water treatment process for treating by adopting fluidized bed biofilm reactor equipment |
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