CN105776548A - Small sludge improved type MBR integrated treatment method and equipment - Google Patents

Small sludge improved type MBR integrated treatment method and equipment Download PDF

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Publication number
CN105776548A
CN105776548A CN201610344348.1A CN201610344348A CN105776548A CN 105776548 A CN105776548 A CN 105776548A CN 201610344348 A CN201610344348 A CN 201610344348A CN 105776548 A CN105776548 A CN 105776548A
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CN
China
Prior art keywords
aerobic
zone
small
modified form
reactor zone
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Pending
Application number
CN201610344348.1A
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Chinese (zh)
Inventor
王磊
戴自觉
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GUANGZHOU SINOVAST ENERGY-ENVIRONMENT GROUP Co Ltd
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GUANGZHOU SINOVAST ENERGY-ENVIRONMENT GROUP Co Ltd
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Priority to CN201610344348.1A priority Critical patent/CN105776548A/en
Publication of CN105776548A publication Critical patent/CN105776548A/en
Pending legal-status Critical Current

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    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00Biological treatment of water, waste water, or sewage
    • C02F3/30Aerobic and anaerobic processes
    • C02F3/301Aerobic and anaerobic treatment in the same reactor

Abstract

The invention discloses small sludge improved type MBR integrated treatment equipment. The small sludge improved type MBR integrated treatment equipment comprises a tank body, wherein an anoxic zone, an aerobic zone and an aerobic reaction zone with a membrane assembly are sequentially arranged in the tank body; a water inlet and distribution weir and a clear water zone are further arranged in the tank body; the bottom of the anoxic zone is in communication with the bottom of the aerobic zone; the aerobic zone is in top communication with the aerobic reaction zone; the anoxic zone is communicated with the water inlet and distribution weir; and the aerobic reaction zone is communicated with the clear water zone. The invention aims to provide the small sludge improved type MBR integrated treatment equipment which can effectively purify sewage, and can be adaptive to changes of production conditions for regulation so as to strengthen the purifying function. The invention further discloses a small sludge improved type MBR integrated treatment method.

Description

A kind of small-scale sewage modified form MBR integral treatment method and equipment
Technical field
The present invention relates to sewage treatment area, specifically a kind of small-scale sewage modified form MBR integral treatment method and equipment.
Background technology
Chinese patent application CN201410800760.0 discloses the biochemistry pool of a kind of aerobic double oxygen anaerobism three body unification, including Aerobic Process for Treatment district, hold concurrently oxygen treatment region, anaerobic treatment district and sludge settling district;Aerobic Process for Treatment district, double oxygen treatment region and anaerobic treatment district are jointly formed sewage diposal area, Aerobic Process for Treatment district is arranged on the upper area of sewage diposal area, oxygen treatment region of holding concurrently is arranged on the central region of sewage diposal area, anaerobic treatment district is arranged on the lower area of sewage diposal area, and sludge settling district arranges the bottom of sewage diposal area.
Chinese patent ZL201420629743.0 discloses the double oxygen MBR membrane bioreactor of a kind of integration.Main body is cuboid, is made up of anaerobic pond and oxygen compatibility pool.Described anaerobic pond is made up of modified model upflow anaerobic sludge blanket reactor.Arrange spherical suspending filling material in described oxygen compatibility pool, adopt submergence combination, hollow fiber film assembly is placed in oxygen compatibility pool, and membrane module bottom is carried out jet-flow aeration.Grille mesh cover is added outside membrane module, in case spherical suspending filling material damage hollow fiber film assembly.
Technique scheme only machinery by anaerobic pond, oxygen compatibility pool or anaerobic pond, oxygen compatibility pool, the simple mechanical combination of Aerobic Pond.Cannot realizing the purpose of anaerobic pond, oxygen compatibility pool, Aerobic Pond three's efficient operation, purification efficiency is low.
Summary of the invention
It is an object of the invention to provide a kind of small-scale sewage modified form MBR integrated equipment for wastewater treatment, this small-scale sewage modified form MBR integrated equipment for wastewater treatment can effectively to sewage purification, and the change that can adapt to working condition is adjusted, strengthened purification function.The invention also discloses a kind of small-scale sewage modified form MBR integral treatment method simultaneously.
The concrete technical scheme of the present invention is: a kind of small-scale sewage modified form MBR integrated equipment for wastewater treatment, including tank body, it is sequentially provided with anoxic zone, aerobic area in described tank body, is provided with the aerobic reactor zone of membrane module, it is additionally provided with into water water distribution weir and clear water zone in described tank body, connection bottom described anoxic zone, aerobic area, described aerobic area, top, aerobic reactor zone connect, and described anoxic zone connects with water inlet water distribution weir, and described aerobic reactor zone connects with clear water zone.
In above-mentioned small-scale sewage modified form MBR integrated equipment for wastewater treatment, being provided with partition wall between described anoxic zone, aerobic area, the bottom of described partition wall is provided with opening.
In above-mentioned small-scale sewage modified form MBR integrated equipment for wastewater treatment, also include one for by the mixed liquor stripping tube in the mixed liquor extracting in aerobic reactor zone to water inlet water distribution weir, one end of described mixed liquor stripping tube extends to the bottom of aerobic reactor zone, and the other end of described mixed liquor stripping tube connects with water inlet water distribution weir.
In above-mentioned small-scale sewage modified form MBR integrated equipment for wastewater treatment, it is domatic that the edge of the bottom of described anoxic zone is provided with first.
In above-mentioned small-scale sewage modified form MBR integrated equipment for wastewater treatment, it is domatic that the edge of the bottom of described aerobic area is provided with second.
In above-mentioned small-scale sewage modified form MBR integrated equipment for wastewater treatment, also include one for the mud stripping tube by the mud extracting bottom anoxic zone and aerobic area to aerobic reactor zone.
In above-mentioned small-scale sewage modified form MBR integrated equipment for wastewater treatment, one end of described mud stripping tube extends to the lowest point bottom aerobic area, and the other end of described mud stripping tube connects with aerobic reactor zone.
In above-mentioned small-scale sewage modified form MBR integrated equipment for wastewater treatment, described water inlet water distribution weir is connected to water inlet pipe, described water inlet pipe is provided with filter, and described aerobic reactor zone is connected by outlet pipe with clear water zone, and one end of described outlet pipe extends to the top of aerobic reactor zone.
In above-mentioned small-scale sewage modified form MBR integrated equipment for wastewater treatment, described aerobic reactor zone is connected by outlet pipe with clear water zone, is provided with the aeration tube extending to membrane module bottom in described aerobic reactor zone.
In above-mentioned small-scale sewage modified form MBR integrated equipment for wastewater treatment, also including battery limits, described battery limits, water inlet water distribution weir, battery limits are arranged on the top of tank body.
The invention also discloses a kind of small-scale sewage modified form MBR integral treatment method simultaneously, adopt the small-scale sewage modified form MBR integrated equipment for wastewater treatment of preceding claim to implement, it specifically includes following steps:
Step 1: mud is evacuated in water water distribution weir after filter filters by the power-equipment of peripheral hardware;
Step 2: the sewage in water inlet water distribution weir enters in anoxic zone, carries out hypoxia response;
Step 3: the sewage after step 2 being processed is from importing aerobic area, bottom, aerobic area, and produces sludge blanket in anoxic zone and aerobic area;When sludge blanket is more, by digested to aerobic reactor zone for unnecessary mud extracting;
Step 4: the sewage after being processed aerobic area imports to from the top of aerobic area and carries out aerobic reaction aerobic reactor zone, and clear water is discharged;Wherein, import in water water distribution weir through the reacted partially liq in aerobic reactor zone, carry out denitrification denitrogenation.
Compared with prior art, the beneficial effects of the present invention is:
This programme passes through the setting of anoxic zone, aerobic area, aerobic reactor zone, make anoxic zone, one layer of sludge blanket is formed on the bottom of aerobic area, when keeping liquid to have longer flow path, absorbed by sludge blanket and eliminate the unnecessary dissolved oxygen in anoxic zone and nitrate, contribute to aerobic area and form oxygen environment of better holding concurrently, being easy to gasification dephosphorization, Nitrogen/Phosphorus Removal is excellent, and effluent quality is good and stable.
Further, by the setting of mixed liquor stripping tube, it is possible to mixed liquor is back to anoxic zone from aerobic zone, denitrification nitrogen process is completed.
Further, by the setting of mud stripping tube, it is possible to periodically processed to aerobic zone by unnecessary sludge lifting, system does not produce organic sludge substantially.
Further, by first is domatic and the second domatic arranging can guide activated sludge better to flow into aerobic area, it is prevented that local deposition.
Further, the battery limits of this programme, water inlet water distribution weir, battery limits the convenient maintenance in position is set.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention 1;
Each label is as follows: 1, tank body;2, anoxic zone;3, aerobic area;4, aerobic reactor zone;5, membrane module;6, water inlet water distribution weir;7, clear water zone;8, partition wall;9, mixed liquor stripping tube;10, first is domatic;11, second is domatic;12, mud stripping tube;13, water inlet pipe;14, filter;15, filter;16, battery limits.
Detailed description of the invention
Below in conjunction with detailed description of the invention, technical scheme is described in further detail, but does not constitute any limitation of the invention.
Embodiment 1
As shown in Figure 1, a kind of small-scale sewage modified form MBR integrated equipment for wastewater treatment, including tank body 1, it is sequentially provided with anoxic zone 2, aerobic area 3 in described tank body 1, is provided with the aerobic reactor zone 4 of membrane module 5, it is additionally provided with into water water distribution weir 6 and clear water zone 7 in described tank body 1, connection bottom described anoxic zone 2, aerobic area 3, described aerobic area 3, the connection of top, aerobic reactor zone 4, described anoxic zone 2 connects with water inlet water distribution weir 6, and described aerobic reactor zone 4 connects with clear water zone 7.Preferably, being provided with partition wall 8 between described anoxic zone 2, aerobic area 3, the bottom of described partition wall 8 is provided with opening
The present embodiment passes through the setting of anoxic zone 2, aerobic area 3, aerobic reactor zone 4, make anoxic zone 2, one layer of sludge blanket is formed on the bottom of aerobic area 3, when keeping liquid to have longer flow path, absorbed by sludge blanket and eliminate the unnecessary dissolved oxygen in anoxic zone 2 and nitrate, contribute to aerobic area 3 and form oxygen environment of better holding concurrently, it is simple to gasification dephosphorization.
In the present embodiment, also include one for by the mixed liquor stripping tube 9 in the mixed liquor extracting in aerobic reactor zone 4 to water inlet water distribution weir 6, one end of described mixed liquor stripping tube 9 extends to the bottom of aerobic reactor zone 4, the other end of described mixed liquor stripping tube 9 connects with water inlet water distribution weir 6, the edge of the bottom of described anoxic zone 2 is provided with first domatic 10, and the edge of the bottom of described aerobic area 3 is provided with second domatic 11.Setting by mixed liquor stripping tube 9, it is possible to mixed liquor is back to from aerobic zone anoxic zone 2, completes denitrification nitrogen process.By first domatic 10 and second domatic 11 arrange activated sludge can be guided better to flow into aerobic area 3, it is prevented that local deposition.
The purpose of organic sludge digestion is realized in order to realize the present embodiment, the present embodiment also includes one for the mud stripping tube 12 by the mud extracting bottom anoxic zone 2 and aerobic area 3 to aerobic reactor zone 4, one end of described mud stripping tube 12 extends to the lowest point bottom aerobic area 3, and the other end of described mud stripping tube 12 connects with aerobic reactor zone 4.
In the present embodiment, described water inlet water distribution weir 6 being connected to water inlet pipe 13, described water inlet pipe 13 is provided with filter 14, and described aerobic reactor zone 4 is connected by outlet pipe with clear water zone 7, and one end of described outlet pipe extends to the top of aerobic reactor zone 4.
In the present embodiment, the aeration tube 15 extended to bottom membrane module 5 it is provided with in described aerobic reactor zone 4.
In the present embodiment, also including battery limits 16, battery limits 16 are provided with roots blower and suction pump, reserve device location or the interface of Chemical cleaning, it is simple to expanding function;Described battery limits 16, water inlet water distribution weir 6, battery limits 16 are arranged on the top of tank body 1.
In actual use, sewage disposal comprises the steps:
Step 1: mud is evacuated in water water distribution weir 6 by the power-equipment of peripheral hardware after filter 14 filters;
Step 2: the sewage in water inlet water distribution weir 6 enters in anoxic zone 2, carries out hypoxia response;
Step 3: the sewage after step 2 being processed is from importing aerobic area, bottom, aerobic area 33, and produce sludge blanket in anoxic zone 2 and aerobic area 3, this sludge blanket is mainly used in absorbing the unnecessary dissolved oxygen in elimination anoxic zone 2 and nitrate, contributes to aerobic area 3 and forms oxygen environment of better holding concurrently, it is simple to gasification dephosphorization;When sludge blanket is more, unnecessary mud extracting is digested to aerobic reactor zone 4;
Step 4: the sewage after being processed aerobic area 3 imports to from the top of aerobic area 3 and carries out aerobic reaction aerobic reactor zone 4, clear water is discharged;Wherein, import in water water distribution weir 6 through the reacted partially liq in aerobic reactor zone 4, carry out denitrification denitrogenation.
In use, it is also possible to by aeration tube 15, aeration pattern is optimized, when aeration, spatially formed ischaemia and aerobic area 3, intensified denitrification and dephosphorization effect by strength control;And aeration time and interval can be passed through, form aerobic, anoxia in time and situation that aerobic area 3 is alternately present, improve Nitrogen/Phosphorus Removal further.
The present embodiment adopts mixed liquor stripping tube 9 and mud stripping tube 12, uses a set of gas generation apparatus by same with aeration tube 15, reduces the complexity of equipment.
The anoxic zone 2 of the present embodiment, aerobic area 3,4 three, aerobic reactor zone process functional areas independently, and functional areas are independent, not crosstalk mutually;Mixed liquor is back to anoxic zone 2 from aerobic zone by mixed liquor stripping tube 9, completes denitrification nitrogen process;Bottom aerobic area 3, sludge blanket is set, eliminate anoxic zone 2 and cross the dissolved oxygen of flow liquid and the impact of nitrate, form oxygen environment of better holding concurrently, phosphorus in sewage is under the effect of aerobic area 3 hydrogen phosphide reducing bacteria, it is converted into hydrogen phosphide release, and under the aerating system stripping of aerobic reactor zone 4, entrance air is removed;Major part Organic substance is removed in aerobic zone, and Nitrification also completes in aerobic reactor zone 4.Whole system completes the process of denitrogenation, dephosphorization, degradation of organic substances.And by arranging membrane module 5 in aerobic reactor zone 4, improve the sludge concentration of system, enhance disposal ability and the capacity of resisting impact load of system, treatment effect is stable, and effluent quality is good.System is in low organic loading state, improves mud autodigestion speed, is designed by whole system optimization, and organic sludge can system self be cleared up, and does not accumulate, without discharge.
In the present embodiment, functional areas can be processed at three add extraordinary strain or be solidificated in the filler being arranged on reaction zone by extraordinary strain, and filler is arranged on the treatment effect to certain pollutant strengthening system in three process functional areas, and it is applicable to the wastewater treatment of all the other types.
Whole device can effectively to sewage purification, and the change that can adapt to working condition is adjusted, strengthened purification function.
The above-described presently preferred embodiments of the present invention that is only, all any amendment, equivalent replacement and improvement etc. made within the scope of the spirit and principles in the present invention, should be included within protection scope of the present invention.

Claims (10)

1. a small-scale sewage modified form MBR integrated equipment for wastewater treatment, including tank body, it is characterized in that, it is sequentially provided with anoxic zone, aerobic area in described tank body, is provided with the aerobic reactor zone of membrane module, it is additionally provided with into water water distribution weir and clear water zone in described tank body, connection bottom described anoxic zone, aerobic area, described aerobic area, the connection of top, aerobic reactor zone, described anoxic zone connects with water inlet water distribution weir, and described aerobic reactor zone connects with clear water zone.
2. small-scale sewage modified form MBR integrated equipment for wastewater treatment according to claim 1, it is characterised in that being provided with partition wall between described anoxic zone, aerobic area, the bottom of described partition wall is provided with opening.
3. small-scale sewage modified form MBR integrated equipment for wastewater treatment according to claim 1, it is characterized in that, also include one for by the mixed liquor stripping tube in the mixed liquor extracting in aerobic reactor zone to water inlet water distribution weir, one end of described mixed liquor stripping tube extends to the bottom of aerobic reactor zone, and the other end of described mixed liquor stripping tube connects with water inlet water distribution weir.
4. small-scale sewage modified form MBR integrated equipment for wastewater treatment according to claim 3, it is characterised in that it is domatic that the edge of the bottom of described anoxic zone is provided with first.
5. the small-scale sewage modified form MBR integrated equipment for wastewater treatment according to claim 3 or 4, it is characterised in that it is domatic that the edge of the bottom of described aerobic area is provided with second.
6. small-scale sewage modified form MBR integrated equipment for wastewater treatment according to claim 5, it is characterised in that also include for the mud stripping tube by the mud extracting bottom anoxic zone and aerobic area to aerobic reactor zone.
7. small-scale sewage modified form MBR integrated equipment for wastewater treatment according to claim 6, it is characterised in that one end of described mud stripping tube extends to the lowest point bottom aerobic area, and the other end of described mud stripping tube connects with aerobic reactor zone.
8. according to Claims 1-4,6 to 7 arbitrary described small-scale sewage modified form MBR integrated equipment for wastewater treatment, it is characterized in that, described water inlet water distribution weir is connected to water inlet pipe, described water inlet pipe is provided with filter, described aerobic reactor zone is connected by outlet pipe with clear water zone, one end of described outlet pipe extends to the top of aerobic reactor zone, is provided with the aeration tube extending to membrane module bottom in described aerobic reactor zone.
9., according to Claims 1-4,6 to 7 arbitrary described small-scale sewage modified form MBR integrated equipment for wastewater treatment, it is characterised in that also include battery limits, described battery limits, water inlet water distribution weir, battery limits are arranged on the top of tank body.
10. a small-scale sewage modified form MBR integral treatment method, it is characterised in that adopting the arbitrary described small-scale sewage modified form MBR integrated equipment for wastewater treatment of claim 1 to 9 to implement, it specifically includes following steps:
Step 1: mud is evacuated in water water distribution weir after filter filters by the power-equipment of peripheral hardware;
Step 2: the sewage in water inlet water distribution weir enters in anoxic zone, carries out hypoxia response;
Step 3: the sewage after step 2 being processed is from importing aerobic area, bottom, aerobic area, and produces sludge blanket in anoxic zone and aerobic area;When sludge blanket is more, by digested to aerobic reactor zone for unnecessary mud extracting;
Step 4: the sewage after being processed aerobic area imports to from the top of aerobic area and carries out aerobic reaction aerobic reactor zone, and clear water is discharged;Wherein, import in water water distribution weir through the reacted partially liq in aerobic reactor zone, carry out denitrification denitrogenation.
CN201610344348.1A 2016-05-20 2016-05-20 Small sludge improved type MBR integrated treatment method and equipment Pending CN105776548A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107055776A (en) * 2016-12-29 2017-08-18 江苏凯米膜科技股份有限公司 A kind of and foster formula MBBR integrated sewage treating apparatus and its method

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Application publication date: 20160720