CN106927602A - A kind of waste oxidation basin and wastewater oxidation method - Google Patents
A kind of waste oxidation basin and wastewater oxidation method Download PDFInfo
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- CN106927602A CN106927602A CN201710319967.XA CN201710319967A CN106927602A CN 106927602 A CN106927602 A CN 106927602A CN 201710319967 A CN201710319967 A CN 201710319967A CN 106927602 A CN106927602 A CN 106927602A
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- zoneofoxidation
- waste
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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
- C02F1/20—Treatment of water, waste water, or sewage by degassing, i.e. liberation of dissolved gases
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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
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/722—Oxidation by peroxides
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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
- C02F2305/00—Use of specific compounds during water treatment
- C02F2305/02—Specific form of oxidant
- C02F2305/026—Fenton's reagent
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- 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)
- Treatment Of Water By Oxidation Or Reduction (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The present invention relates to a kind of waste oxidation basin and method of wastewater treatment, in the invention, at the waste water inlet of wastewater disposal basin, multiple partition walls are provided with for tentatively being mixed to waste water, flocculation zone is provided with multiple partition walls, for reducing waste water flow velocity, to ensure flocculating effect.Jet stirrer and the first oxidation pond, the second oxidation pond, the 3rd oxidation pond are provided with the catalysis oxidation area of reaction tank, the catalysis oxidation of waste water can be made more abundant.Gross porosity aerator is set in the 4th lattice of reaction zone, gas can be produced during stripping waste water reaction, make post precipitation effect more preferable.
Description
Technical field
The present invention relates to sewage treatment area, more particularly to a kind of waste oxidation basin and wastewater oxidation method.
Background technology
Existing have the Sewage advanced treatment technology to be：The waste water of second pond is transported to sweet smell by high-pressure hydraulic pump after biochemical treatment section
50 meters of eminences of tower, have in Fenton tower water-locator and plus chemicals pipeline, waste water after short time reaction in Fenton tower from
Top water outlet is sent to three heavy ponds after adding PAC and PAM in reaction tank to reaction tank by mechanical agitation.
Because Fenton tower technology is needed using high-pressure hydraulic pump transport wastewater, and waste water inlet needs to be adjusted with acid, outlet
Need to be adjusted with alkali；Therefore Fenton tower technology can have that power consumption is high, chemical time is short, reaction is insufficient, chemicals usage
Big problem.
Due to adding mechanical mixing techniques using mechanical plug-flow in Fenton tower technology, so there is also that equipment failure rate is high, setting
Standby maintenance is difficult, stopping production draining could be overhauled, and to running unfavorable problem steadily in the long term, processing equipment failure needs parking.
Waste water flowing uses advection mode in Fenton tower technology, easily causes short stream, and waste water mixing is difficult uniform, treatment effect
It is really unstable；Sediment is easily piled up.
The content of the invention
It is an object of the invention to：For during above-mentioned existing Fenton tower technology treatment waste water, it is necessary to high-pressure pump transport,
Chemicals usage is big and brings cost for wastewater treatment problem high, the present invention provides a kind of waste oxidation basin and wastewater oxidation side
Method.
The technical solution adopted by the present invention is as follows：
A kind of waste oxidation basin, the waste oxidation basin includes：Pond body, pond body includes the first zoneofoxidation and the first oxidation
Stripping area that the 3rd zoneofoxidation that is connected with the second zoneofoxidation of second zoneofoxidation of area's connection is connected with the 3rd zoneofoxidation and with
The flocculation reaction area of stripping area connection；
First zoneofoxidation includes being used for the preliminary mixed zone of preliminary composite waste and adds for adding the medicament of medicament
Plus area, the medicament addition area is connected with the second zoneofoxidation；
The waste water of the 3rd zoneofoxidation is delivered to the first zoneofoxidation, the by pipeline and valve by circulation pump group as needed
Titanium dioxide area, the jet stirrer of the 3rd zoneofoxidation；
Gross porosity aerator and coagulation area are set in stripping area, and flocculation reaction area is used to flocculate and reduces liquid flow in flocculation
Speed.
A kind of described waste oxidation basin, preliminary mixed zone includes the first mixed zone and the second mixed zone that are sequentially connected,
First mixed zone is divided into the first water inlet buffering area, the second water inlet buffering area, the 3rd water inlet buffering area from left to right, and first mixes
Close and be provided with the mouth of a river between area and the second mixed zone；The mouth of a river, jet mixing were provided between second mixed zone and medicament addition area
Device includes jet pipeline and the shower nozzle on jet pipeline.
A kind of described waste oxidation basin, in the pond of gross porosity aerator one end, sets coagulation area, and coagulation area is used to add
PAC, coagulation area connects with flocculation zone, and flocculation zone includes the first flocculation zone and deceleration flocculation zone for adding PAM, flocculation of slowing down
Area is provided with partition wall, and the partition wall in flocculation zone was provided with the mouth of a river, and the first flocculation zone is connected with coagulation area.
A kind of described waste oxidation basin, medicament addition area's bottom of pond is provided with the first jet stirrer, the first jet stirrer
Water inlet is connected with agitation cycle pump A；Second zoneofoxidation bottom of pond is provided with the second jet stirrer, the second jet stirrer water inlet
It is connected with agitation cycle pump B；3rd zoneofoxidation bottom of pond is provided with the 3rd jet stirrer, the 3rd jet stirrer water inlet and stirring
Circulating pump C is connected；Agitation cycle pump A, agitation cycle pump B, the water inlet of agitation cycle pump C pass through water inlet manifold and the 3rd oxygen
Change area's connection；
First zoneofoxidation and the second zoneofoxidation, the second zoneofoxidation and the 3rd zoneofoxidation, the 3rd zoneofoxidation and stripping area, stripping
Area is separated by the first partition wall, the second partition wall, the 3rd partition wall, the 4th partition wall respectively with flocculation reaction area；First point
Next door, the second partition wall, the 3rd partition wall, it was equipped with the mouth of a river on the 4th partition wall.
A kind of described waste oxidation basin, the partition wall between coagulation area and degassing district was provided with the mouth of a river, gross porosity aeration
The other end of device is provided with air inlet, gross porosity aerator air inlet connecting fan；
Deceleration flocculation zone includes the second flocculation zone, the 3rd flocculation zone, the 4th flocculation that are set gradually close to the first flocculation zone
Area, the partition wall between coagulation area and the first flocculation zone was provided with the mouth of a river, between the first flocculation zone and the second flocculation zone, second
Between flocculation zone and the 3rd flocculation zone, it was equipped with the mouth of a river between the 3rd flocculation zone and the 4th flocculation zone, the 4th flocculation zone is from a left side
The first water outlet buffering area, the second water outlet buffering area, the 3rd water outlet buffering area, the first water outlet buffering area and second are divided into the right side
Water hole is equipped between water outlet buffering area, between the second water outlet buffering area and the 3rd water outlet buffering area.
A kind of described waste oxidation basin, preliminary mixed zone, medicament addition area, stripping area, coagulation area, the first flocculation are distinguished
Not there is provided the interface and equipment of the medicament such as ferrous sulfate and hydrogen peroxide, PAC, PAM, wherein every kind of medicament is provided with an addition pump
With a standby addition pump.
A kind of described waste oxidation basin, it is that bottom of pond water hole hole or Chi Ding cross water breach to cross the mouth of a river, in waste water flowing
On demarcation strip 7 in path, interval setting bottom of pond water hole hole, Chi Ding cross water breach successively so that waste water flows in N fonts.
A kind of method of wastewater treatment, comprises the following steps：
Step 1, the waste water after biochemical treatment is tentatively mixed；
Step 2, medicament is added in preliminary mixed waste water；
Step 3, will with the addition of the waste water after medicament carries out catalytic oxidation treatment；
Step, treatment is de-gassed by the waste gas after catalysis oxidation；
Step 5, the waste water after deoxidation treatment is flocculated.
A kind of described method of wastewater treatment,
In step 1, first zoneofoxidation in the waste water note catalytic oxidation area after biochemical treatment, the waste water after biochemical treatment
Preliminary mixed zone is flowed into, is tentatively mixed, after the preliminary mixed agitated device stirring of waste water, flow into medicament addition area；
In step 2, to medicament addition area's addition ferrous sulfate and hydrogen peroxide；
In step 3, ferrous sulfate, hydrogen peroxide and waste water is set to be well mixed under jet stirrer stirring and obtain preliminary oxygen
Change；The waste water of preliminary oxidation flows successively through the second zoneofoxidation, the 3rd zoneofoxidation, and in the second zoneofoxidation and the 3rd zoneofoxidation after
It is continuous to be stirred by jet stirrer, with further catalysis oxidation；
In step, the waste water after catalysis oxidation flows into stripping area, and the waste water after catalysis oxidation is entered using gross porosity aerator
Row degassing process, the waste gas that stripping waste water chemical reaction is produced；
In step 5, remove the waste water after waste gas and flow into coagulation area, PAC is added in coagulation area, carry out coagulation；After coagulation
Waste water flows into the first flocculation zone, and PAM is added to the first flocculation zone, is flocculated；Waste water after flocculation flows into deceleration flocculation zone, and
Slowed down in deceleration flocculation zone, formed alumen ustum.
Described method of wastewater treatment, waste water reacts 30min in catalysis oxidation area internal oxidition, and the catalysis oxidation area includes
First zoneofoxidation, the second zoneofoxidation, the 3rd zoneofoxidation.
In sum, by adopting the above-described technical solution, the beneficial effects of the invention are as follows：
(1) in due to the technical program, without carrying out high-pressure pump conveying, wastewater treatment to waste water in, eliminate acid adding and
Plus alkali step, reduce the consumption of chemicals.Therefore, it is possible to substantially reduce cost during wastewater treatment.
(2) jet apparatus are used, stirring can be made to mix more fully, faster, rotating machinery is arranged on reaction to mixing speed
Outside pond, the maintenance to rotating machinery more facilitates.
(3) setting of water breach is crossed due to bottom of pond water hole hole and Chi Ding, the short stream in course of reaction can be thoroughly solved
It is that hydrolysis effect is more preferable with precipitate bulk problem.
(4) eliminate because the gas that chemical reaction is produced is attached on coloured micelle, and cause coloured micelle to be difficult to sink
The problem in shallow lake.
Brief description of the drawings
Fig. 1 is a kind of structure chart of purification tank for liquid waste of the invention；
Fig. 2 is 1-1 sectional structure charts；
Fig. 3 is 2-2 sectional structure charts；
Fig. 4 is waste water catalysis oxidation flow chart.
Marked in figure：The zoneofoxidations of 1- first, the preliminary mixed zones of 11-, 12- medicaments addition area, 13- waste water inlets, 111- the
One mixed zone, the water inlet buffering areas of 1111- first, the water inlet buffering areas of 1112- second, the water inlet buffering areas of 1113- the 3rd, 112- second
Mixed zone, the zoneofoxidations of 2- second, the zoneofoxidations of 3- the 3rd, 4- strippings area, 41- gross porosity aerators, 42- coagulations area, 5- flocculation reactions
Area, the flocculation zones of 51- first, the flocculation zones of 52- second, the flocculation zones of 53- the 3rd, the flocculation zones of 54- the 4th, the water outlets of 541- first buffering
Area, 542- the second water outlet buffering areas, the water outlet buffering areas of 543- the 3rd, 7- demarcation strips, 8- jet stirrers, the jets of 81- first are stirred
Device is mixed, the jet stirrers of 82- second, the jet stirrers of 83- the 3rd, 9- circulation pump groups, 91- agitation cycle pumps A, 92- stirring is followed
Ring pump B, 93- agitation cycle pump C.
Specific embodiment
All features disclosed in this specification, in addition to mutually exclusive feature and/or step, can be with any
Mode is combined.
The present invention is elaborated with reference to Fig. 1, Fig. 2, Fig. 3.
A kind of waste oxidation basin, the waste oxidation basin includes：Pond body, pond body includes the first zoneofoxidation 1 and the first oxidation
The stripping area 4 that the 3rd zoneofoxidation 3 that second zoneofoxidation 2 of the connection of area 1 is connected with the second zoneofoxidation is connected with the 3rd zoneofoxidation 3
And the flocculation reaction area 5 connected with stripping area 4；
First zoneofoxidation 1 includes the preliminary mixed zone 11 for preliminary composite waste and the medicament for adding medicament
Addition area 12, the medicament addition area 12 is connected with the second zoneofoxidation 2；
Circulation pump group by pipeline and valve, by the waste water of the 3rd zoneofoxidation 3 be delivered to as needed the first zoneofoxidation 1,
Second zoneofoxidation 2, the jet stirrer 8 of the 3rd zoneofoxidation 3；
Gross porosity aerator 41 and coagulation area 42 are set in stripping area 4, and flocculation reaction area 5 is used to flocculate and is reduced in flocculation
Flow rate of liquid.
A kind of described waste oxidation basin, preliminary mixed zone 11 includes that the first mixed zone 111 and second being sequentially connected is mixed
Close area 112, the first mixed zone 111 is divided into the first water inlet buffering area 1111, second and intakes buffering area 1112, the from left to right
Three water inlet buffering areas 1113, the mouth of a river was provided between the first mixed zone 111 and the second mixed zone 112；Second mixed zone 112 and medicine
Agent addition was provided with the mouth of a river between area 12, and jet stirrer 8 includes jet pipeline and the shower nozzle on jet pipeline.
A kind of described waste oxidation basin, in the pond of the one end of gross porosity aerator 41, sets coagulation area 42, and coagulation area 42 is used for
Addition PAC, coagulation area 42 connects with flocculation zone 5, and flocculation zone 5 includes being flocculated with deceleration for adding first flocculation zone 51 of PAM
Area, deceleration flocculation zone is provided with partition wall, and the partition wall in flocculation zone was provided with the mouth of a river, the first flocculation zone 51 and the phase of coagulation area 42
Even.
A kind of described waste oxidation basin, the medicament addition bottom of pond of area 12 is provided with the first jet stirrer 81, and the first jet is stirred
The water inlet of device 81 is mixed to be connected with agitation cycle pump A91；The bottom of pond of second zoneofoxidation 2 is provided with the second jet stirrer 82, the second jet
The water inlet of agitator 82 is connected with agitation cycle pump B92；The bottom of pond of 3rd zoneofoxidation 3 is provided with the 3rd jet stirrer 83, and the 3rd penetrates
The stream water inlet of agitator 83 is connected with agitation cycle pump C93；Agitation cycle pump A91, agitation cycle pump B92, agitation cycle pump C93
Water inlet connected with the 3rd zoneofoxidation 3 by water inlet manifold；
First zoneofoxidation 1 and the second zoneofoxidation 2, the second zoneofoxidation and the 3rd zoneofoxidation 3, the 3rd zoneofoxidation 3 and stripping area
4th, stripping area 4 and flocculation reaction area 5 respectively by the first partition wall, the second partition wall, the 3rd partition wall, the 4th partition wall every
Open；The mouth of a river was equipped with first partition wall, the second partition wall, the 3rd partition wall, the 4th partition wall.
A kind of described waste oxidation basin, the partition wall between coagulation area 42 and degassing district 4 was provided with the mouth of a river, and gross porosity exposes
The other end of gas device 41 is provided with air inlet, the air inlet connecting fan of gross porosity aerator 41；
The second flocculation zone 52 that deceleration flocculation zone includes setting gradually close to the first flocculation zone 51, the 3rd flocculation zone 53, the
Four flocculation zones 54, the partition wall between the flocculation zone 51 of coagulation area 42 and first was provided with the mouth of a river, the first flocculation zone 51 and second
Between flocculation zone 52, between the second flocculation zone 52 and the 3rd flocculation zone 53, between the 3rd flocculation zone 53 and the 4th flocculation zone 54
The mouth of a river was provided with, the 4th flocculation zone 54 is divided into the first water outlet buffering area 541, the second water outlet buffering area 542, from left to right
Three water outlet buffering areas 543, between the first water outlet buffering area 541 and the second water outlet buffering area 542, the second water outlet buffering area 542 with
Water hole is equipped between 3rd water outlet buffering area 543.
A kind of described waste oxidation basin, preliminary mixed zone 11, medicament addition area 12, stripping area 4, coagulation area 42, first
Flocculation zone 51 is respectively provided with the interface and equipment of the medicaments such as ferrous sulfate and hydrogen peroxide, PAC, PAM, wherein every kind of medicament is provided with
One addition pump and a standby addition pump.
A kind of described waste oxidation basin, it is that bottom of pond water hole hole or Chi Ding cross water breach to cross the mouth of a river, in waste water flowing
On demarcation strip 7 in path, interval setting bottom of pond water hole hole, Chi Ding cross water breach successively so that waste water flows in N fonts.
A kind of method of wastewater treatment, comprises the following steps：
Step 1, the waste water after biochemical treatment is tentatively mixed；
Step 2, medicament is added in preliminary mixed waste water；
Step 3, will with the addition of the waste water after medicament carries out catalytic oxidation treatment；
Step, treatment is de-gassed by the waste gas after catalysis oxidation；
Step 5, the waste water after deoxidation treatment is flocculated.
A kind of described method of wastewater treatment,
In step 1, first zoneofoxidation in the waste water note catalytic oxidation area after biochemical treatment, the waste water after biochemical treatment
Preliminary mixed zone 11 is flowed into, is tentatively mixed, after the preliminary mixed agitated device stirring of waste water, flow into medicament addition area
12；
In step 2, to medicament the addition addition of area 12 ferrous sulfate and hydrogen peroxide；
In step 3, ferrous sulfate, hydrogen peroxide and waste water is set to be well mixed under the stirring of jet stirrer 8 and obtain preliminary
Oxidation；The waste water of preliminary oxidation flows successively through the second zoneofoxidation 2, the 3rd zoneofoxidation 3, and in the second zoneofoxidation 2 and the 3rd oxidation
Continue to be stirred by jet stirrer 8 in area 3, with further catalysis oxidation；
In step, the waste water after catalysis oxidation flows into stripping area 4, using gross porosity aerator 41 to the waste water after catalysis oxidation
It is de-gassed treatment, the waste gas that stripping waste water chemical reaction is produced；
In step 5, remove the waste water after waste gas and flow into coagulation area 42, PAC is added in coagulation area 42, carry out coagulation；Coagulation
Waste water afterwards flows into the first flocculation zone 51, and PAM is added to the first flocculation zone 51, is flocculated；Waste water after flocculation is flowed into and slowed down
Flocculation zone, and slowed down in deceleration flocculation zone, form alumen ustum.
Described method of wastewater treatment, waste water reacts 30min in catalysis oxidation area internal oxidition, and the catalysis oxidation area includes
First zoneofoxidation 1, the second zoneofoxidation 2, the 3rd zoneofoxidation 3.
Claims (10)
1. a kind of waste oxidation basin, it is characterised in that the waste oxidation basin includes：Pond body, pond body includes the first zoneofoxidation
(1) the 3rd zoneofoxidation (3) and the 3rd that the second zoneofoxidation (2) for being connected with the first zoneofoxidation (1) is connected with the second zoneofoxidation
The stripping area (4) of zoneofoxidation (3) connection and the flocculation reaction area (5) connected with stripping area (4)；
First zoneofoxidation (1) includes the preliminary mixed zone (11) for preliminary composite waste and the medicament for adding medicament
Addition area (12), medicament addition area (12) is connected with the second zoneofoxidation (2)；
Circulation pump group by pipeline and valve, by the waste water of the 3rd zoneofoxidation (3) be delivered to as needed the first zoneofoxidation (1),
The jet stirrer (8) of the second zoneofoxidation (2), the 3rd zoneofoxidation (3)；
Gross porosity aerator (41) and coagulation area (42) is set in stripping area (4), and flocculation reaction area (5) are for flocculation and in flocculation
Reduce flow rate of liquid.
2. a kind of waste oxidation basin according to claim 1, it is characterised in that preliminary mixed zone (11) is including being sequentially connected
The first mixed zone (111) and the second mixed zone (112), the first mixed zone (111) be divided into from left to right the first water inlet delay
Area (1111), the second water inlet buffering area (1112), the 3rd water inlet buffering area (1113) are rushed, the first mixed zone (111) mix with second
The mouth of a river was provided between conjunction area (112)；The mouth of a river was provided between second mixed zone (112) and medicament addition area (12), jet is stirred
Mix shower nozzle of the device (8) including jet pipeline and on jet pipeline.
3. a kind of waste oxidation basin according to claim 1, it is characterised in that in the pond of gross porosity aerator (41) one end,
Coagulation area (42) is set, and coagulation area (42) connect for adding PAC, coagulation area (42) with flocculation zone (5), and flocculation zone (5) includes
The first flocculation zone (51) and deceleration flocculation zone for adding PAM, deceleration flocculation zone are provided with partition wall, the partition wall in flocculation zone
The mouth of a river was provided with, the first flocculation zone (51) is connected with coagulation area (42).
4. a kind of waste oxidation basin according to claim 1, it is characterised in that medicament addition area (12) bottom of pond is provided with first
Jet stirrer (81), the first jet stirrer (81) water inlet is connected with agitation cycle pump A (91)；Second zoneofoxidation (2) pond
Bottom is provided with the second jet stirrer (82), and the second jet stirrer (82) water inlet is connected with agitation cycle pump B (92)；3rd oxygen
Change area (3) bottom of pond and be provided with the 3rd jet stirrer (83), the 3rd jet stirrer (83) water inlet is with agitation cycle pump C (93) even
Connect；Agitation cycle pump A (91), agitation cycle pump B (92), the water inlet of agitation cycle pump C (93) are by water inlet manifold and the
Three zoneofoxidations (3) are connected；
First zoneofoxidation (1) and the second zoneofoxidation (2), the second zoneofoxidation and the 3rd zoneofoxidation (3), the 3rd zoneofoxidation (3) and blow
De- area (4), stripping area (4) pass through the first partition wall, the second partition wall, the 3rd partition wall, the 4th respectively with flocculation reaction area (5)
Partition wall separates；The mouth of a river was equipped with first partition wall, the second partition wall, the 3rd partition wall, the 4th partition wall.
5. a kind of waste oxidation basin according to claim 3, it is characterised in that between coagulation area (42) and degassing district (4)
Partition wall be provided with the mouth of a river, the other end of gross porosity aerator (41) is provided with air inlet, and gross porosity aerator (41) air inlet connects
Give a dinner for a visitor from afar machine；
The second flocculation zone (52) that deceleration flocculation zone includes setting gradually close to the first flocculation zone (51), the 3rd flocculation zone (53),
4th flocculation zone (54), the partition wall between coagulation area (42) and the first flocculation zone (51) was provided with the mouth of a river, the first flocculation zone
(51) and the second flocculation zone (52) between, between the second flocculation zone (52) and the 3rd flocculation zone (53), the 3rd flocculation zone (53) with
The mouth of a river was equipped between 4th flocculation zone (54), the 4th flocculation zone (54) is divided into the first water outlet buffering area from left to right
(541), the second water outlet buffering area (542), the 3rd water outlet buffering area (543), the first water outlet buffering area (541) delay with the second water outlet
Rush between area (542), be equipped with water hole between the second water outlet buffering area (542) and the 3rd water outlet buffering area (543).
6. according to a kind of any described waste oxidation basins of claim 3-5, it is characterised in that preliminary mixed zone (11), medicament
Addition area (12), stripping area (4), coagulation area (42), the first flocculation zone (51) be respectively provided with ferrous sulfate and hydrogen peroxide, PAC,
The interface and equipment of the medicaments such as PAM, wherein every kind of medicament is provided with an addition pump and a standby addition pump.
7. a kind of waste oxidation basin according to claim 6, it is characterised in that it is bottom of pond water hole hole or pond to cross the mouth of a river
Water breach was pushed up, on the demarcation strip (7) in waste water flow path, interval setting bottom of pond water hole hole, Chi Ding cross water and lack successively
Mouthful so that waste water flows in N fonts.
8. a kind of method of wastewater treatment, it is characterised in that comprise the following steps：
Step 1, the waste water after biochemical treatment is tentatively mixed；
Step 2, medicament is added in preliminary mixed waste water；
Step 3, will with the addition of the waste water after medicament carries out catalytic oxidation treatment；
Step, treatment is de-gassed by the waste gas after catalysis oxidation；
Step 5, the waste water after deoxidation treatment is flocculated.
9. a kind of method of wastewater treatment according to claim 8, it is characterised in that
In step 1, first zoneofoxidation in the waste water note catalytic oxidation area after biochemical treatment, the waste water after biochemical treatment is flowed into
Preliminary mixed zone (11), is tentatively mixed, and after the preliminary mixed agitated device stirring of waste water, flows into medicament addition area
(12)；
In step 2, to medicament addition area (12) addition ferrous sulfate and hydrogen peroxide；
In step 3, ferrous sulfate, hydrogen peroxide and waste water is set to be well mixed under jet stirrer (8) stirring and obtain preliminary oxygen
Change；The waste water of preliminary oxidation flows successively through the second zoneofoxidation (2), the 3rd zoneofoxidation (3), and in the second zoneofoxidation (2) and the 3rd
Continue in zoneofoxidation (3) by jet stirrer (8) stirring, with further catalysis oxidation；
In step, the waste water after catalysis oxidation flows into stripping area (4), using gross porosity aerator (41) to the waste water after catalysis oxidation
It is de-gassed treatment, the waste gas that stripping waste water chemical reaction is produced；
In step 5, remove the waste water after waste gas and flow into coagulation area (42), PAC is added in coagulation area (42), carry out coagulation；Coagulation
Waste water afterwards flows into the first flocculation zone (51), and PAM is added to the first flocculation zone (51), is flocculated；Waste water after flocculation is flowed into
Deceleration flocculation zone, and slowed down in deceleration flocculation zone, form alumen ustum.
10. method of wastewater treatment according to claim 8, it is characterised in that waste water reacts in catalysis oxidation area internal oxidition
30min, the catalysis oxidation area includes the first zoneofoxidation (1), the second zoneofoxidation (2), the 3rd zoneofoxidation (3).
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| CN201710319967.XA CN106927602A (en) | 2017-05-09 | 2017-05-09 | A kind of waste oxidation basin and wastewater oxidation method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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