CN106882901A - A kind of B-grade sewage processes plant effluent advanced treatment system - Google Patents
A kind of B-grade sewage processes plant effluent advanced treatment system Download PDFInfo
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- CN106882901A CN106882901A CN201710128197.0A CN201710128197A CN106882901A CN 106882901 A CN106882901 A CN 106882901A CN 201710128197 A CN201710128197 A CN 201710128197A CN 106882901 A CN106882901 A CN 106882901A
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- oxidation pond
- catalysis oxidation
- filter tower
- water
- absorption filter
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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
- C02F1/28—Treatment of water, waste water, or sewage by sorption
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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
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
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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
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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
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/725—Treatment of water, waste water, or sewage by oxidation by catalytic oxidation
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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
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/78—Treatment of water, waste water, or sewage by oxidation with ozone
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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
- C02F2201/78—Details relating to ozone treatment devices
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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
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- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
Abstract
The present invention relates to a kind of B-grade sewage treatment plant effluent advanced treatment system, including catalysis oxidation pond, coagulative precipitation tank, absorption filter tower and clear water reserviors, catalysis oxidation pond, coagulative precipitation tank, absorption filter tower and clear water reserviors are sequentially communicated；Fluidisation cylinder is provided with catalysis oxidation pond, the bottom for fluidizing cylinder is provided with catalysis oxidation pond water inlet pipe and catalysis oxidation pond water distributor, the bottom of catalysis oxidation pond water distributor is provided with ozonation aerated disk, and load type active carbon is full of in catalysis oxidation pond, and catalysis oxidation pond is cylindrical structural；Coagulative precipitation tank includes mixed zone and settling zone, and bottom design tapered structure in settling zone is provided with sediment discharge valve in settling zone bottom；Absorption filter tower includes top cover, absorption filter tower water inlet pipe, absorption filter tower water distributor, filtrate, filtrate support frame, air inlet and absorption filter tower outlet pipe.
Description
Technical field
The present invention relates to technical field of sewage, and in particular to a kind of B-grade sewage treatment plant effluent advanced treating system
System.
Background technology
With Chinese Urbanization's and industrialized acceleration, the demand of water resource also increasingly increases, and urban water shortage phenomenon is more next
It is more serious.The scarcity of water resource has become the key factor of restriction urban economy and social sustainable development.To alleviate municipal water
Inadequate resource, meets economic development needs and enterprise demand, using B-grade sewage process plant effluent as second largest water source
The only way which must be passed as urban development.But most of B-grade sewage treatment plant effluent is only by traditional two stage treatment, its row
Also contain substantial portion of polluter in the water quality put, want to make it carry out reuse as fresh water, it is necessary to by sewage
Advanced treating.
Domestic and foreign experience shows that advanced treatment method for sewage water is broadly divided into three classes：Biological treatment, physical chemistry treatment
Method, membrane processing method.Domestic advanced treatment method for sewage water also uses physical-chemical process usually using biological treatment.City is dirty
By after two stage treatment and advanced treating, recycled water water quality index fully meets steam power plant cooling supplement water, recycled paper mill to water
The water quality requirement of paper pulp washings and urban reclaimed water.
Advanced treatment of wastewater common technology such as coagulation technology, biologic treating technique, Ozone, membrane separation technique, senior oxygen
Change method, active carbon adsorption technology etc., most of processing method have the problems such as financial cost is high, handling process is long.
How to select suitable technology at present is advanced treatment of wastewater so as to fit being promoted in municipal sewage treatment enterprise
The key of project management.
The content of the invention
The technical problem to be solved in the present invention is：In order to solve the process problem that above-mentioned B-grade sewage processes plant effluent, this
Invention provides a kind of B-grade sewage treatment plant effluent advanced treatment system.
The technical solution adopted for the present invention to solve the technical problems is：A kind of B-grade sewage processes plant effluent advanced treating
System, including catalysis oxidation pond, coagulative precipitation tank, absorption filter tower and clear water reserviors, catalysis oxidation pond, coagulative precipitation tank, absorption filter
Tower and clear water reserviors are sequentially communicated.
Fluidisation cylinder is provided with described catalysis oxidation pond, it is cylinder to fluidize the top of cylinder, and the bottom for fluidizing cylinder is in loudspeaker
Shape, fluidisation cylinder is located at the center in catalysis oxidation pond, and the lower end flare openings for fluidizing cylinder are located at the bottom in catalysis oxidation pond, upper end
Opening is provided with catalysis oxidation pond water inlet pipe and catalysis oxidation pond water distributor positioned at the middle part in catalysis oxidation pond, the bottom for fluidizing cylinder,
Described catalysis oxidation pond water distributor is arranged to concentric circles；The bottom of catalysis oxidation pond water distributor is provided with ozonation aerated disk,
Ozonation aerated disk connects ozone air blower, and ozone air blower passes through pipeline communication ozone generator.
The top in catalysis oxidation pond is provided with catalysis oxidation pond three phase separator, described catalysis oxidation Chi Sanxiangfenliqibao
Deflector and the triangle guide ring used cooperatively with deflector positioned at deflector lower section are included, described triangle guide ring is arranged on urges
Change on the inwall of oxidation pond, the top of described deflector is cylinder, the bottom of described deflector is described in horn-like
Internal diameter of the internal diameter of the bottom of deflector more than triangle guide ring；Catalysis oxidation pond overfalling weir is provided with the outside of deflector, is catalyzed
Oxidation pond overfalling weir connection catalysis oxidation pond outlet pipe；Load type active carbon is full of in catalysis oxidation pond.
Specifically, described catalysis oxidation pond is cylindrical structural, observation port and inspection are offered on the cylindrical structural
Replacement port is repaiied, depending on the volume size in catalysis oxidation pond is according to the number of pending water, using vertical vertical placement.
The preparation method of described load type active carbon is；
1. activated carbon crosses the sieve of 24 mesh, is dried under the conditions of 105 DEG C；
2. 8~12 hours in the manganese nitrate solution of the activated carbon immersion mass concentration 3~8% after drying；
3. the activated carbon after immersion is dried under the conditions of 105 DEG C；
4. the activated carbon after 3. step being dried, 400~600 DEG C are risen to 10 DEG C/min, are calcined 3~6 hours, slow cold
But to room temperature；
5. the activated carbon after calcining is crossed the sieve series of 24 mesh into load type active carbon.
Described coagulative precipitation tank includes mixed zone and settling zone, and mixed zone bottom is provided with coagulative precipitation tank water inlet pipe, mixes
Solidifying sedimentation basin water inlet pipe connection catalysis oxidation pond outlet pipe, mixed zone middle and upper part is provided with coagulant add-on system, in mixed zone
Portion is provided with mixed zone agitator；Baffle plate is provided with the settling zone, the baffle plate is formed as useless with the inwall of coagulative precipitation tank
Water enters the waste water runner of settling zone, and the exit of settling zone is provided with coagulative precipitation tank three phase separator, in the outlet of settling zone
Portion is provided with coagulative precipitation tank overfalling weir, coagulative precipitation tank overfalling weir connection coagulative precipitation tank outlet pipe, settling zone bottom design into
Pyramidal structure, sediment discharge valve is provided with settling zone bottom.
The absorption filter tower includes top cover, absorption filter tower water inlet pipe, absorption filter tower water distributor, filtrate, filtrate support frame, enters
Air port and absorption filter tower outlet pipe；Absorption filter tower is set using multilayer, and top is provided with top cover, is left out between top cover and tower body
Air port；The top cover of filter tower is arranged below absorption filter tower water inlet pipe, adsorbs one end connection coagulative precipitation tank water outlet of filter tower water inlet pipe
Pipe, adsorbs the other end connection absorption filter tower water distributor of filter tower water inlet pipe；Absorption filter tower water distributor is placed in one layer of the top
Filtrate top；Filtrate is placed on filtrate support frame, and from upper strata to lower floor, the particle diameter of filtrate is tapered into；Filtrate support sets up
Inverted trapezoidal drawer type is counted into, on the one hand strengthens ventilation, it is to avoid produced foul smell, be on the other hand easy to observe and change filtrate, when this
Layer filter clogging is serious, when filtering velocity is very low, the metafiltration material need to only be extracted out and changed；The bottom for adsorbing filter tower is provided with air inlet
With absorption filter tower outlet pipe.
The water outlet for adsorbing filter tower enters clear water reserviors.
The method that wastewater treatment is carried out using above-mentioned B-grade sewage treatment plant effluent advanced treatment system, with following step
Suddenly：
1. the water outlet of B-grade sewage treatment plant enters catalysis by catalysis oxidation pond water inlet pipe and catalysis oxidation pond water distributor
In oxidation pond, catalysis oxidation pond water distributor realizes water distribution uniformity, and the current and air-flow in fluidisation cylinder drive load type active carbon to produce
Fluidization, and flow up, while being washed away to load type active carbon, current drive load type active carbon to enter the week of fluidisation cylinder
Region is enclosed, and is constantly moved from top to bottom under gravity, the microorganism on load type active carbon is using the pollution in sewage
Thing carries out self-reproduction, while load type active carbon is adsorbed and catalysis oxidation to pollutant.
2. catalysis oxidation pond three phase separator realizes separation of solid and liquid；Solids sinks to catalysis oxidation under gravity
The bottom in pond；Waste water enters coagulative precipitation tank water inlet pipe by catalysis oxidation pond overfalling weir and catalysis oxidation pond outlet pipe.
3. waste water enters coagulative precipitation tank by coagulative precipitation tank water inlet pipe, mixes with coagulant, is stirred using mixed zone
Device is stirred；Waste water after coagulating enters settling zone, and the coagulative precipitation tank three phase separator of settling zone realizes solid-liquid point
From；Solids sinks to the bottom of settling zone under gravity, is discharged by the sediment discharge valve of bottom；Waste water passes through
Coagulative precipitation tank overfalling weir and coagulative precipitation tank outlet pipe enter absorption filter tower water inlet pipe.
4. waste water enters absorption filter tower by adsorbing filter tower water inlet pipe and absorption filter tower water distributor, and air is with waste water in filtrate
In cross generation biochemical reaction, while filtrate is filtered to waste water, the water after absorption filter tower treatment enters absorption filter tower water outlet
Pipe, the water outlet for adsorbing filter tower outlet pipe is utilized into clear water reserviors.
5. coagulative precipitation tank produce sediment it is concentrated, dehydration after transport outward.
The beneficial effects of the invention are as follows：Suit measures to local conditions, capital expenditure is few, easy to maintenance, energy consumption is relatively low, to B-grade sewage factory
Water outlet has relatively good treatment effect.
Brief description of the drawings
The present invention is further described with reference to the accompanying drawings and examples.
Fig. 1 is the structural representation in embodiment of the present invention catalysis oxidation pond.
In Fig. 1：1. catalysis oxidation pond, 1-1. fluidisation cylinders, 1-2. catalysis oxidations pond water inlet pipe, 1-3. catalysis oxidations pond water distribution
Pipe, the ozonation aerated disks of 1-4., 1-5. ozone air blowers, 1-6. ozone generators, 1-7. catalysis oxidations pond three phase separator, 1-8.
Catalysis oxidation pond overfalling weir, 1-9. load type active carbons.
Fig. 2 is the structural representation of embodiment of the present invention coagulative precipitation tank.
In Fig. 2：2. coagulative precipitation tank, 2-1. mixed zones, 2-2. settling zones, 2-3. coagulative precipitation tank water inlet pipes, 2-4. is mixed
Solidifying agent add-on system, 2-5. mixed zones agitator, 2-6. baffle plates, 2-7. coagulative precipitation tank three phase separators, 2-8. coagulating sedimentation
Pond overfalling weir, 2-9. sediment discharge valves.
Fig. 3 is the structural representation that the embodiment of the present invention adsorbs filter tower.
In Fig. 3：3. filter tower, 3-1. top covers, 3-2. absorption filter tower water inlet pipes, 3-3. absorption filter tower water distributors, 3-4. are adsorbed
Filtrate, 3-5. filtrate support frames, 3-6. air inlets, 3-7. absorption filter tower outlet pipes.
Fig. 4 is the process chart of the embodiment of the present invention.
Specific embodiment
In conjunction with the accompanying drawings, the present invention is further explained in detail.These accompanying drawings are simplified schematic diagram, only with
Illustration illustrates basic structure of the invention, therefore it only shows the composition relevant with the present invention.
Embodiment
As shown in Figure 1 to 4, a kind of B-grade sewage treatment plant effluent advanced treatment system of the invention, including catalysis oxygen
Change pond 1, coagulative precipitation tank 2, absorption filter tower 3 and clear water reserviors, catalysis oxidation pond 1, coagulative precipitation tank 2, absorption filter tower 3 and clear water reserviors
It is sequentially communicated.
Fluidisation cylinder 1-1 is provided with described catalysis oxidation pond 1, it is cylinder to fluidize the top of cylinder, and the bottom for fluidizing cylinder is in
Horn-like, fluidisation cylinder is located at the center in catalysis oxidation pond, and the lower end flare openings for fluidizing cylinder are located at the bottom in catalysis oxidation pond,
Upper end open is located at the middle part in catalysis oxidation pond, and the bottom for fluidizing cylinder is provided with catalysis oxidation pond water inlet pipe 1-2 and catalysis oxidation pond
Water distributor 1-3, described catalysis oxidation pond water distributor 1-3 are arranged to concentric circles；The bottom of catalysis oxidation pond water distributor sets
There are ozonation aerated disk 1-4, ozonation aerated disk 1-4 to connect ozone air blower 1-5, ozone air blower 1-5 passes through pipeline communication ozone
Generator 1-6.
The top in catalysis oxidation pond is provided with catalysis oxidation pond three phase separator 1-7, described catalysis oxidation pond three phase separation
Device 1-7 includes deflector and the triangle guide ring used cooperatively with deflector positioned at deflector lower section, described triangle guide ring
On the inwall in catalysis oxidation pond, the top of described deflector is cylinder, and the bottom of described deflector is in loudspeaker
Shape, the internal diameter of the internal diameter more than triangle guide ring of the bottom of described deflector；Catalysis oxidation pond is provided with the outside of deflector to overflow
Mill weir 1-8, catalysis oxidation pond overfalling weir 1-8 connection catalysis oxidations pond outlet pipe；Load type active carbon 1- is full of in catalysis oxidation pond
9。
Specifically, described catalysis oxidation pond 1 is cylindrical structural, observation port and inspection are offered on the cylindrical structural
Replacement port is repaiied, depending on the volume size in catalysis oxidation pond is according to the number of pending water, using vertical vertical placement.
The preparation method of described load type active carbon is；
1. activated carbon crosses the sieve of 24 mesh, is dried under the conditions of 105 DEG C；
2. 10 hours in the manganese nitrate solution of the activated carbon immersion mass concentration 5% after drying；
3. the activated carbon after immersion is dried under the conditions of 105 DEG C；
4. the activated carbon after 3. step being dried, 450 DEG C are risen to 10 DEG C/min, are calcined 4 hours, slowly cool to room
Temperature；
5. the activated carbon after calcining is crossed the sieve series of 24 mesh into load type active carbon.
Described coagulative precipitation tank 2 includes mixed zone 2-1 and settling zone 2-2, and mixed zone bottom is provided with coagulative precipitation tank and enters
Water pipe 2-3, middle and upper part is provided with coagulant add-on system 2-4, and agitator 2-5 in mixed zone is provided with the middle part of mixed zone；It is described heavy
Baffle plate 2-6 is provided with the area of shallow lake, the baffle plate forms the waste water runner for entering settling zone as waste water with the inwall of coagulative precipitation tank 2,
The exit of settling zone is provided with coagulative precipitation tank three phase separator 2-7, and the outlet top of settling zone is provided with coagulative precipitation tank spilling water
Weir 2-8, coagulative precipitation tank overfalling weir 2-8 connect coagulative precipitation tank outlet pipe, the tapered structure of settling zone bottom design, in precipitation
Area bottom is provided with sediment discharge valve 2-9.
Absorption filter tower 3 includes top cover 3-1, absorption filter tower water inlet pipe 3-2, absorption filter tower water distributor 3-3, filtrate 3-4, filtrate
Support frame 3-5, air inlet 3-6 and absorption filter tower outlet pipe 3-7；Absorption filter tower 3 is set using multilayer, and top is provided with top cover 3-
1, leave air outlet between top cover 3-1 and tower body；The top cover 3-1 of filter tower is arranged below absorption filter tower water inlet pipe 3-2, adsorbs filter tower
Water inlet pipe 3-2 connection absorption filter tower water distributors 3-3；Absorption filter tower water distributor 3-3 is placed in topmost one layer of filtrate top；Filter
Material 3-4 is placed on filtrate support frame 3-5, and the particle diameter from upper strata to lower floor's filtrate is tapered into；Filtrate support frame is designed to down
Trapezoidal drawer type, on the one hand strengthens ventilation, it is to avoid produces foul smell, is on the other hand easy to observe and change filtrate, when the metafiltration material
Block serious, when filtering velocity is very low, the metafiltration material need to only be extracted out and changed；Adsorb filter tower bottom be provided with air inlet 3-6 and
Absorption filter tower outlet pipe 3-7.
The water outlet for adsorbing filter tower outlet pipe is utilized into clear water reserviors.
The method that wastewater treatment is carried out using above-mentioned B-grade sewage treatment plant effluent advanced treatment system, with following step
Suddenly：
The water outlet for adsorbing filter tower enters clear water reserviors.
The method that wastewater treatment is carried out using above-mentioned B-grade sewage treatment plant effluent advanced treatment system, with following step
Suddenly：
1. the water outlet of B-grade sewage treatment plant is entered by catalysis oxidation pond water inlet pipe 1-2 and catalysis oxidation pond water distributor 1-3
Enter in catalysis oxidation pond, catalysis oxidation pond water distributor 1-3 realizes water distribution uniformity, the current and air-flow in fluidisation cylinder 1-1 drive negative
Carry activated carbon 1-9 and produce fluidization, and flow up, while being washed away to load type active carbon, current drive supported active
Charcoal enters the peripheral region of fluidisation cylinder, and constantly moves from top to bottom under gravity, the micro- life on load type active carbon 1-9
Thing carries out self-reproduction using the pollutant in sewage, while load type active carbon is adsorbed and catalysis oxidation to pollutant.
2. catalysis oxidation pond three phase separator 1-7 realizes separation of solid and liquid；Solids sinks to catalysis under gravity
The bottom of oxidation pond；Waste water is intake by catalysis oxidation pond overfalling weir 1-8 and catalysis oxidation pond outlet pipe into coagulative precipitation tank
Pipe 2-3.
3. waste water enters coagulative precipitation tank 2 by coagulative precipitation tank water inlet pipe 2-3, mixes with coagulant, using mixed zone
Agitator 2-5 is stirred；Waste water after coagulating enters settling zone 2-2, the coagulative precipitation tank three phase separator of settling zone
Realize separation of solid and liquid；Solids sinks to the bottom of settling zone under gravity, by the sediment discharge valve 2-9 of bottom
Discharge；Waste water enters absorption filter tower water inlet pipe 3-2 by coagulative precipitation tank overfalling weir 2-8 and coagulative precipitation tank outlet pipe.
4. waste water enters absorption filter tower, air and waste water by adsorbing filter tower water inlet pipe 3-2 and absorption filter tower water distributor 3-3
Cross generation biochemical reaction in filtrate 3-4, while filtrate is filtered to waste water, the water after absorption filter tower treatment enters absorption
Filter tower outlet pipe 3-7, the water outlet for adsorbing filter tower outlet pipe is utilized into clear water reserviors.
5. coagulative precipitation tank produce sediment it is concentrated, dehydration after transport outward.
With above-mentioned according to desirable embodiment of the invention as enlightenment, by above-mentioned description, relevant staff is complete
Various changes and amendments can be without departing from the scope of the technological thought of the present invention' carried out entirely.This invention it is technical
Scope is not limited to the content on specification, it is necessary to its technical scope is determined according to right.
Claims (2)
1. a kind of B-grade sewage processes plant effluent advanced treatment system, it is characterised in that：Sunk including catalysis oxidation pond (1), coagulation
Shallow lake pond (2), absorption filter tower (3) and clear water reserviors, catalysis oxidation pond (1), coagulative precipitation tank (2), absorption filter tower (3) and clear water reserviors according to
Secondary connection；
Fluidisation cylinder (1-1) is provided with described catalysis oxidation pond (1), it is cylinder to fluidize the top of cylinder, and the bottom for fluidizing cylinder is in
Horn-like, fluidisation cylinder is located at the center in catalysis oxidation pond, and the lower end flare openings for fluidizing cylinder are located at the bottom in catalysis oxidation pond,
Upper end open is located at the middle part in catalysis oxidation pond, and the bottom for fluidizing cylinder is provided with catalysis oxidation pond water inlet pipe (1-2) and catalysis oxidation
Pond water distributor (1-3), described catalysis oxidation pond water distributor (1-3) is arranged to concentric circles；Catalysis oxidation pond water distributor
Bottom is provided with ozonation aerated disk (1-4), and ozonation aerated disk (1-4) connects ozone air blower (1-5), and ozone air blower (1-5) leads to
Piping connects ozone generator (1-6)；
The top in catalysis oxidation pond is provided with catalysis oxidation pond three phase separator (1-7), described catalysis oxidation pond three phase separator
(1-7) includes deflector and the triangle guide ring used cooperatively with deflector positioned at deflector lower section, described triangle guide ring
On the inwall in catalysis oxidation pond, the top of described deflector is cylinder, and the bottom of described deflector is in loudspeaker
Shape, the internal diameter of the internal diameter more than triangle guide ring of the bottom of described deflector；Catalysis oxidation pond is provided with the outside of deflector to overflow
Mill weir (1-8), catalysis oxidation pond overfalling weir (1-8) connection catalysis oxidation pond outlet pipe；Supported active is full of in catalysis oxidation pond
Charcoal (1-9)；
Specifically, described catalysis oxidation pond (1) is cylindrical structural, the cylindrical structural is provided with observation port and maintenance more
Mouth is changed, depending on the volume size in catalysis oxidation pond is according to the number of pending water, using vertical vertical placement；
The preparation method of described load type active carbon is；
1. activated carbon crosses the sieve of 24 mesh, is dried under the conditions of 105 DEG C；
2. 8~12 hours in the manganese nitrate solution of the activated carbon immersion mass concentration 3~8% after drying；
3. the activated carbon after immersion is dried under the conditions of 105 DEG C；
4. the activated carbon after 3. step being dried, 400~600 DEG C are risen to 10 DEG C/min, are calcined 3~6 hours, are slowly cooled to
Room temperature；
5. the activated carbon after calcining is crossed the sieve series of 24 mesh into load type active carbon；
Described coagulative precipitation tank (2) includes mixed zone (2-1) and settling zone (2-2), and mixed zone bottom is provided with coagulative precipitation tank
Water inlet pipe (2-3), coagulative precipitation tank water inlet pipe connection catalysis oxidation pond outlet pipe, mixed zone middle and upper part is provided with coagulant addition system
System (2-4), is provided with mixed zone agitator (2-5) in the middle part of mixed zone；Baffle plate (2-6), the baffle plate are provided with the settling zone
The waste water runner for entering settling zone as waste water is formed with the inwall of coagulative precipitation tank (2), the exit of settling zone is provided with coagulation
Sedimentation basin three phase separator (2-7), the outlet top of settling zone is provided with coagulative precipitation tank overfalling weir (2-8), and coagulative precipitation tank overflows
Mill weir (2-8) connects coagulative precipitation tank outlet pipe, and bottom design tapered structure in settling zone is provided with precipitation in settling zone bottom
Thing drain valve (2-9)；
Absorption filter tower (3) includes top cover (3-1), absorption filter tower water inlet pipe (3-2), absorption filter tower water distributor (3-3), filtrate (3-
4), filtrate support frame (3-5), air inlet (3-6) and absorption filter tower outlet pipe (3-7)；Absorption filter tower (3) is set using multilayer,
Top is provided with top cover (3-1), and top cover (3-1) leaves air outlet and tower body between；The top cover (3-1) of filter tower is arranged below absorption
Filter tower water inlet pipe (3-2), adsorbs one end connection coagulative precipitation tank outlet pipe of filter tower water inlet pipe, adsorbs the another of filter tower water inlet pipe
End connection absorption filter tower water distributor (3-3)；Absorption filter tower water distributor (3-3) is placed in topmost one layer of filtrate top；Filtrate
(3-4) is placed on filtrate support frame (3-5), and the particle diameter from upper strata to lower floor's filtrate is tapered into；Filtrate support frame is designed to
Inverted trapezoidal drawer type, on the one hand strengthens ventilation, it is to avoid produces foul smell, is on the other hand easy to observe and change filtrate, when the metafiltration
Material blocks serious, when filtering velocity is very low, the metafiltration material need to only be extracted out and changed；The bottom for adsorbing filter tower is provided with air inlet (3-
6) with absorption filter tower outlet pipe (3-7)；
The water outlet for adsorbing filter tower enters clear water reserviors.
2. the method for wastewater treatment being carried out using B-grade sewage as claimed in claim 1 treatment plant effluent advanced treatment system,
It is characterized in that：With following steps；
1. the water outlet of B-grade sewage treatment plant is entered by catalysis oxidation pond water inlet pipe (1-2) and catalysis oxidation pond water distributor (1-3)
Enter in catalysis oxidation pond, water distribution uniformity, current and air-flow band in fluidisation cylinder (1-1) are realized in catalysis oxidation pond water distributor (1-3)
Dynamic load activated carbon (1-9) produces fluidization, and flows up, while being washed away to load type active carbon, current drive negative
Carry activated carbon and enter the peripheral region of fluidisation cylinder, and constantly move from top to bottom under gravity, load type active carbon (1-9)
On microorganism carry out self-reproduction using the pollutant in sewage, while load type active carbon is adsorbed and is catalyzed to pollutant
Oxidation；
2. catalysis oxidation pond three phase separator (1-7) realizes separation of solid and liquid；Solids sinks to catalysis oxygen under gravity
Change the bottom in pond；Waste water is intake by catalysis oxidation pond overfalling weir (1-8) and catalysis oxidation pond outlet pipe into coagulative precipitation tank
Pipe (2-3)；
3. waste water enters coagulative precipitation tank (2) by coagulative precipitation tank water inlet pipe (2-3), mixes with coagulant, using mixed zone
Agitator (2-5) is stirred；Waste water after coagulating enters settling zone (2-2), the coagulative precipitation tank three-phase separate of settling zone
Separation of solid and liquid is realized from device；Solids sinks to the bottom of settling zone under gravity, by the sediment discharge of bottom
Valve (2-9) is discharged；Waste water enters absorption filter tower water inlet pipe by coagulative precipitation tank overfalling weir (2-8) and coagulative precipitation tank outlet pipe
(3-2)；
4. waste water enters absorption filter tower, air and waste water by adsorbing filter tower water inlet pipe (3-2) and absorption filter tower water distributor (3-3)
Crossed generation biochemical reaction in filtrate (3-4), while filtrate is filtered to waste water, the water after absorption filter tower treatment enters to be inhaled
Attached filter tower outlet pipe (3-7), the water outlet for adsorbing filter tower outlet pipe is utilized into clear water reserviors；
5. coagulative precipitation tank produce sediment it is concentrated, dehydration after transport outward.
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| CN108529822A (en) * | 2018-04-26 | 2018-09-14 | 常州大学 | Ballasting wastewater treatment equipment |
| CN109012583A (en) * | 2018-08-02 | 2018-12-18 | 常州大学 | Miniature Sewage Farm is discharged regenerating treater |
| CN110921982A (en) * | 2019-11-26 | 2020-03-27 | 中冶天工集团有限公司 | System and method for treating coal chemical industry wastewater by biological catalytic oxidation technology |
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