CN106986497A - A kind of high-efficiency wastewater treatment system - Google Patents

A kind of high-efficiency wastewater treatment system Download PDF

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Publication number
CN106986497A
CN106986497A CN201710294970.0A CN201710294970A CN106986497A CN 106986497 A CN106986497 A CN 106986497A CN 201710294970 A CN201710294970 A CN 201710294970A CN 106986497 A CN106986497 A CN 106986497A
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CN
China
Prior art keywords
zone
film
membrane cisterna
water
biological tank
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CN201710294970.0A
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Chinese (zh)
Inventor
李力
阎怀国
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CITIC Envirotech Tianjin Co Ltd
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CITIC Envirotech Tianjin Co Ltd
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Priority to CN201710294970.0A priority Critical patent/CN106986497A/en
Publication of CN106986497A publication Critical patent/CN106986497A/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
    • C02F9/00Multistage treatment of water, waste water, or sewage
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/50Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2301/00General aspects of water treatment
    • C02F2301/08Multistage treatments, e.g. repetition of the same process step under different conditions
    • 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

Abstract

The invention provides a kind of high-efficiency wastewater treatment system, including pass sequentially through pretreatment structures, biological tank, membrane cisterna and the sterilization pool of pipeline communication;In the biological tank, anaerobic zone, anoxic zone and aerobic zone are sequentially provided with according to the flow direction of sewage;The membrane cisterna includes being sequentially provided with membrane cisterna aerobic zone, film area and sludge reflux area in membrane cisterna wall, membrane cisterna wall, is separated between the membrane cisterna aerobic zone and film area by the first partition wall;The film area and sludge reflux area are separated by the second partition wall;Membrane cisterna wall positioned at membrane cisterna aerobic zone is provided with water inlet pipe;And provided with some groups of microporous aeration devices in membrane cisterna aerobic zone;The film area is provided with some groups of film units;Isolated between two adjacent groups film unit by wall.Sewage disposal system of the present invention, transforms in present situation sewage treatment plant and completes, and realizes that effluent quality is improved and disposal ability expands 1 times in the case where not increasing occupation of land newly, not stopping production, sewage treating efficiency is improved.

Description

A kind of high-efficiency wastewater treatment system
Technical field
The invention belongs to technical field of sewage, more particularly, to a kind of high-efficiency wastewater treatment system.
Background technology
Water resources problems is the significant problem of today's society, and it drastically influence environment, and govern economy and social can Sustainable development.Especially at this stage, substantial amounts of wastewater disposition, the sewage treatment works to sewage treatment plant cause larger bear Load, urgent need will be improved, to meet bigger demand.
At present, the water treatment technology of sewage is most of still using conventional processing, including pretreatment, biological tank, film The programs such as pond, sterilization, wherein membrane cisterna are a more important rings, how to set the structures of each program, it is constructed original It is current one of the problem of urgently need to solve there is provided water treatment efficiency under thing size.
The content of the invention
In view of this, the present invention is directed to propose a kind of high-efficiency wastewater treatment system, makes full use of present situation construction of structures, make structure The rationally distributed of thing is built, water treatment efficiency is improved.
To reach above-mentioned purpose, the technical proposal of the invention is realized in this way:
A kind of high-efficiency wastewater treatment system, including pass sequentially through the pretreatment structures, biological tank, membrane cisterna of pipeline communication with And sterilization pool;
In the biological tank, anaerobic zone, anoxic zone and aerobic zone are sequentially provided with according to the flow direction of sewage;
The membrane cisterna includes being sequentially provided with membrane cisterna aerobic zone, film area and sludge reflux area, institute in membrane cisterna wall, membrane cisterna wall State between membrane cisterna aerobic zone and film area by the separation of the first partition wall;The film area and sludge reflux area pass through the second partition wall point Every;Membrane cisterna is formed by the transformation of original circular settling tank.
Membrane cisterna wall positioned at membrane cisterna aerobic zone is provided with water inlet pipe;And provided with some groups of micro-pore aerations in membrane cisterna aerobic zone Device;
The film area is provided with some groups of film units;Isolated between two adjacent groups film unit by wall;
Membrane cisterna wall positioned at sludge reflux area is provided with mud return line and excess sludge pipe;
The sludge reflux area of the membrane cisterna is back to the aerobic zone of biological tank provided with sludge reflux pump;And the biological tank Aerobic zone is back to the anoxic zone of biological tank provided with sludge pump;And the anoxic zone of the biological tank also is provided with sludge reflux pump reflux To the anaerobic zone of biological tank.
Further, the pretreatment structures are sequentially provided with coarse rack, fine fack, setting pot according to drainage flow direction And film grid.
Further, the biological tank has two, is that both the first biological tank and the second biological tank are located with pre- respectively respectively Reason structures pass through pipeline communication.
Further, the membrane cisterna has four, and two of which is connected with a biological tank;Two other and another Biological tank is connected;And four membrane cisternas are connected with sterilization pool.
Further, the anaerobic zone of the biological tank is divided into two parts by wall, and wall is vertical with water (flow) direction, according to Water (flow) direction is respectively the first anaerobic zone and the second anaerobic zone;And first anaerobic zone side wall be provided with biological tank water inlet pipe;The Gallery partition wall is provided with two anaerobic zones;And gallery partition wall setting direction is identical with water (flow) direction;And in the side of the second anaerobic zone Wall is provided with the water hole area connected with anoxic zone.
Further, the anoxic zone of the biological tank includes the first anoxic zone, the second anoxic zone and the according to water (flow) direction Three anoxic zones;And first anoxic zone be arranged in parallel with the second anaerobic zone, second anoxic zone and the 3rd anoxic zone are with first Anoxic zone is vertically arranged;And first be equipped with gallery partition wall in anoxic zone and the 3rd anoxic zone;Side wall in the second anaerobic zone is set There is the water hole connected with the first anoxic zone;Side wall in the second anoxic zone is provided with the water hole connected with the second anoxic zone; The side wall of 3rd anoxic zone is provided with the water hole connected with the second anoxic zone, and the water hole is arranged far from the second anoxic zone One end;
It is aerobic that the aerobic zone of the biological tank includes the first aerobic zone, the second aerobic zone and the 3rd according to water (flow) direction Area, and be arranged in parallel with the 3rd anoxic zone;The side wall of first aerobic zone is provided with the water hole connected with the 3rd anoxic zone, and should Water hole is arranged far from one end of the second anoxic zone;The side wall of second aerobic zone crosses water provided with what is connected with the first aerobic zone Hole, and the water hole is positioned close to one end of the second anoxic zone;The side wall of 3rd aerobic zone is provided with and connected with the second aerobic zone Water hole, and the water hole is arranged far from one end of the second anoxic zone.3rd aerobic zone is provided with biological tank outlet pipe.
Further, the film unit includes separating by the 3rd partition wall between two groups of film devices, two groups of film devices, makes every group Film device is located in independent space, and is respectively equipped with the first partition wall and the second partition wall corresponding to every group of film device into water Mouth and delivery port;It is preferred that, every group of film device is provided with 5~8 film framves.
The top of 3rd partition wall is provided with piping lane, the water producing pipe and tracheae drawn from every group of film device respectively with piping lane Water producing pipe is connected with tracheae;And the water producing pipe and tracheae in piping lane are all extended between film device;
3rd partition wall is provided with through hole, the space where the through hole insertion two adjacent groups film device.
Further, the corresponding water inlet of every group of film device is equipped with inlet damper;And water inlet is provided with inlet gate; Water outlet is provided with water outlet gate;
Where the inlet damper is located at film device in space.
Further, the membrane cisterna wall surrounds cylinder;And the space between the film unit and membrane cisterna wall at two ends Use concreting;
The film area sets six groups of film units altogether, and middle four groups of film units relative to two ends film unit to sludge reflux Protrude in area.
Further, the aerobic zone is provided with the 4th partition wall, and two ends and the membrane cisterna wall of the 4th partition wall by middle position Between exist interval;
The film area is additionally provided with blow-down pipe and filling pipe, and the blow-down pipe is connected with film unit;The filling pipe and film list Member connection;And some catch pits are provided with the film unit.
Relative to prior art, high-efficiency wastewater treatment system of the present invention has the advantage that:
(1) sewage disposal system of the present invention, structure structure is reasonable in design, fully coordinates each other, fully Utilization space, activated sludge reaches higher utilization rate in membrane cisterna its own system.
(2) membrane cisterna in sewage disposal system of the present invention, film device is separated, it is to avoid between film device Mutually pollution, reduces operating cost.
(3) structure of the present invention is to be carried out in original sewage disposal system improved, and membrane cisterna is original first Circular settling tank pond body under reconstructed, increase newly take up an area, and without by original pond body remove rebuild, make full use of each Space, and save reconstruction cost and engineering time;And solve water distribution inequality, the pollution level of film in prior art transformation Not equal irrealizable problem.
(4) sewage disposal system of the present invention, improved to structures such as pretreatment structures, membrane cisterna and biological tanks On the basis of, the problem of existing biological tank disposal ability is not enough is solved, makes sewage disposal by 100,000 original ton days, brings up to 200000 ton days;In the case where not increasing biological pool volume newly, the treatment scale of biological tank is brought up to by 100,000 original ton days 200000 ton days;Sewage treating efficiency is doubled;Effluent quality is improved simultaneously, by original《Urban wastewater treatment firm pollution is dirty Discharge standard》In one-level B standard be promoted to the class standard of surface water IV.
Brief description of the drawings
The accompanying drawing for constituting the part of the present invention is used for providing a further understanding of the present invention, schematic reality of the invention Apply example and its illustrate to be used to explain the present invention, do not constitute inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is lower floor's plane arrangement structure schematic diagram of the membrane cisterna described in the embodiment of the present invention;
Fig. 2 is the structural representation of one group of film unit described in the embodiment of the present invention.
Fig. 3 is the schematic diagram of the inlet damper described in the embodiment of the present invention;
Fig. 4 be Fig. 1 in A-A to sectional view.
Fig. 5 is the structural representation of the high-efficiency wastewater treatment system described in the embodiment of the present invention;
Fig. 6 is the structural representation of the biological tank described in the embodiment of the present invention;
Description of reference numerals:
1st, membrane cisterna aerobic zone;2nd, film area;3rd, sludge reflux area;4th, microporous aeration device;21st, film unit;211st, film device; 22nd, water inlet;23rd, delivery port;24th, inlet gate;25th, water outlet gate;26th, through hole;27th, inlet damper;28th, water producing pipe;5、 Water inlet pipe;6th, overflow pipe;31st, mud return line;32nd, excess sludge pipe;33rd, residual sludge pump;7th, the first partition wall;8th, membrane cisterna wall Body;9th, concrete;10th, the 4th partition wall;11st, the second partition wall;12nd, the 3rd partition wall;121st, piping lane;13rd, cover plate;101st, the first film Pond;102nd, the second membrane cisterna;103rd, tertiary membrane pond;104th, the 4th membrane cisterna;105th, the first biological tank;106th, the second biological tank;107、 Coarse rack;108th, fine fack;109th, settling pit;110th, sterilization pool;111st, the first anaerobic zone;112nd, the second anaerobic zone;113rd, One anoxic zone;114th, the second anoxic zone;115th, the 3rd anoxic zone;116th, the first aerobic zone;117th, the second aerobic zone;118th, the 3rd Aerobic zone;120th, gallery partition wall;121st, biological tank water inlet pipe;122nd, film grid.
Embodiment
It should be noted that in the case where not conflicting, the embodiment in the present invention and the feature in embodiment can phases Mutually combination.
In the description of the invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " on ", " under ", The orientation or position relationship of the instruction such as "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " are Based on orientation shown in the drawings or position relationship, it is for only for ease of the description present invention and simplifies description, rather than indicate or dark Specific orientation must be had, with specific azimuth configuration and operation by showing the device or element of meaning, therefore it is not intended that right The limitation of the present invention.In addition, term " first ", " second " etc. are only used for describing purpose, and it is not intended that indicating or implying phase To importance or the implicit quantity for indicating indicated technical characteristic.Thus, the feature for defining " first ", " second " etc. can To express or implicitly include one or more this feature.In the description of the invention, unless otherwise indicated, " multiple " It is meant that two or more.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected;Can To be mechanical connection or electrical connection;Can be joined directly together, can also be indirectly connected to by intermediary, Ke Yishi The connection of two element internals.For the ordinary skill in the art, above-mentioned term can be understood by concrete condition Concrete meaning in the present invention.
Describe the present invention in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
A kind of high-efficiency wastewater treatment system, including pass sequentially through the pretreatment structures, biological tank, membrane cisterna of pipeline communication with And sterilization pool;
In the biological tank, anaerobic zone, anoxic zone and aerobic zone are sequentially provided with according to the flow direction of sewage;
The membrane cisterna includes being sequentially provided with membrane cisterna aerobic zone 1, film area 2 and sludge reflux in membrane cisterna wall 8, membrane cisterna wall 8 Area 3, is separated between the membrane cisterna aerobic zone 1 and film area 2 by the first partition wall 7;The film area and sludge reflux area 3 pass through Two partition walls 11 separate;
Membrane cisterna wall 8 positioned at aerobic zone 1 is provided with water inlet pipe 5;And provided with some groups of microporous aeration devices in aerobic zone 1 4;
The film area 2 is provided with some groups of film units 21;Isolated between two adjacent groups film unit 21 by wall;
Membrane cisterna wall 8 positioned at sludge reflux area 3 is provided with mud return line 31 and excess sludge pipe 32;
The sludge reflux area 3 of the membrane cisterna is back to the aerobic zone of biological tank provided with sludge reflux pump;And the biological tank Aerobic zone be back to the anoxic zone of biological tank provided with sludge pump;And the anoxic zone of the biological tank also is provided with sludge reflux blowback Flow to the anaerobic zone of biological tank.
The film unit 21 includes separating by the 3rd partition wall 12 between two groups of film devices 211, two groups of film devices 211, makes Every group of film device 211 is located in independent space, and the first partition wall 7 and the second partition wall 11 corresponding to every group of film device 211 On be respectively equipped with water inlet 22 and delivery port 23.
The top of 3rd partition wall 12 is provided with piping lane 121, the water producing pipe 28 and tracheorrhaphy drawn from every group of film device 211 Do not connected with water producing pipe 28 in piping lane 121 and tracheae;And the water producing pipe 28 and tracheae in piping lane 121 are all extended between film device.
3rd partition wall 12 is provided with through hole 26, the space where the insertion two adjacent groups film device of through hole 26.
Inlet damper 27 is equipped with the corresponding water inlet 22 of every group of film device 211;And intake gate is provided with water inlet 22 Door 24;Water outlet gate 25 is provided with delivery port 23.
Every group of film device 211 is provided with 5~8 film framves.
The inlet damper 27 is located in the place space of film device 211.
The membrane cisterna wall 8 surrounds cylinder;And the space between the film unit 21 and membrane cisterna wall 8 at two ends uses mixed Solidifying soil 9 is poured.Membrane cisterna is formed by the transformation of present situation circular settling tank, and membrane cisterna wall 8 is the exterior wall of former sedimentation basin.
The film area 2 sets six groups of film units 21 altogether, and middle four groups of film units 21 relative to two ends film unit 21 to Protrude in sludge reflux area 3.
The membrane cisterna aerobic zone 1 is provided with the 4th partition wall 10, and two ends and the membrane cisterna wall of the 4th partition wall 10 by middle position There is interval between body 8.
The film area 2 is additionally provided with blow-down pipe and filling pipe, and the blow-down pipe is connected with film unit 21;The filling pipe and film Unit 21 is connected;And some catch pits are provided with the film unit 21.
The pretreatment structures are sequentially provided with coarse rack 107, fine fack 108 and sand setting according to drainage flow direction Pond 109.
The biological tank has two, be respectively the first biological tank 105 and the second biological tank 106 both respectively with pretreatment Structures pass through pipeline communication.
The membrane cisterna has four, and two of which is connected with a biological tank;Two other with another biological tank Connection;And four membrane cisternas are connected with sterilization pool 110.
The anaerobic zone of the biological tank is divided into two parts by wall, and wall is vertical with water (flow) direction, according to current side To respectively the first anaerobic zone 111 and the second anaerobic zone 112;And first anaerobic zone 111 side wall be provided with biological tank water inlet pipe 121;Gallery partition wall 120 is provided with second anaerobic zone 112;And the setting direction of gallery partition wall 120 is identical with water (flow) direction;And The side wall of second anaerobic zone 112 is provided with the water hole connected with anoxic zone.
The anoxic zone of the biological tank includes the first anoxic zone 113, the second anoxic zone 114 and the 3rd according to water (flow) direction Anoxic zone 115;And first anoxic zone 113 be arranged in parallel with the second anaerobic zone 112, the anoxic of the second anoxic zone 114 and the 3rd Area 115 is vertically arranged with the first anoxic zone 113;And first be equipped with gallery partition wall in anoxic zone 113 and the 3rd anoxic zone 115 120;Side wall in the second anaerobic zone 112 is provided with the water hole connected with the first anoxic zone 113;Side in the second anoxic zone 114 Wall is provided with the water hole connected with the second anoxic zone 113;Side wall in the 3rd anoxic zone 115 is provided with to be connected with the second anoxic zone 114 Logical water hole, and the water hole is arranged far from one end of the second anoxic zone 113;
The aerobic zone of the biological tank includes the first aerobic zone 116, the second aerobic zone 117 and the 3rd according to water (flow) direction Aerobic zone 118, and be arranged in parallel with the 3rd anoxic zone 115;The side wall of first aerobic zone 116 is provided with and the 3rd anoxic zone 115 The water hole of connection, and the water hole is arranged far from one end of the second anoxic zone 113;The side wall of second aerobic zone 117 is provided with The water hole connected with the first aerobic zone 116, and the water hole is positioned close to one end of the second anoxic zone 113;3rd is aerobic The side wall in area 118 is provided with the water hole connected with the second aerobic zone 117, and the water hole is arranged far from the second anoxic zone 113 One end.3rd aerobic zone is provided with biological tank outlet pipe.
The course of work of the present invention:Sewage sequentially passes through coarse rack 107, fine fack 108 and setting pot 109;Then it is divided into Two parts, respectively enter the first biological tank 105 and the second biological tank 106;The sewage come out from the first biological tank 105 is respectively enterd The membrane cisterna 104 of tertiary membrane pond 103 and the 4th;The sewage come out from the second biological tank 106 respectively enters the first membrane cisterna 101 and the second film Pond 102;The sewage come out from each membrane cisterna finally enters sterilization pool 110;
The course of work of the sewage in each membrane cisterna, the sewage handled by biological tank is introduced into aerobic by water inlet pipe 5 Area 1, the space then entered again by water inlet 22 where each film device 211, carries out film process, and the water through film process leads to Cross water producing pipe 28 and enter next handling process;The remaining muddy water after film process is discharged to sludge reflux area by delivery port 23 simultaneously 3, a part returns to biological tank by mud return line 31;Another part is by the drive of residual sludge pump 33 by remaining dirty Mud pipe 32 is discharged.
The cover plate 13 that sewage disposal membrane cisterna of the present invention is set by top is isolated from the outside.
Take up an area not increasing newly, and rebuild without original pond body is removed, save reconstruction cost and engineering time;And Solve water distribution inequality in prior art transformation, the not equal irrealizable problem of pollution level of film.
Original sewage technique is:Water inlet → coarse rack → fine fack → setting pot → film grid → biological tank → sedimentation basin → Sterilization pool → water outlet;High-efficiency wastewater treatment system of the present invention, is transformed on original structure base, each structures Cooperate, provided with multiple biological tanks and membrane cisterna, be easy to be constructed in the case where present situation sewage plant does not stop production;Make sewage Processing brings up to 200,000 ton days by 100,000 original ton days.
Sewage disposal is carried out with improved sewage disposal system, the water quality of water inlet and water outlet is determined, it is as a result as follows;
Influent quality is as follows:
Effluent quality, effluent quality in addition to TN, other leading indicators according to《Water environment quality standard》In IV category Standard is performed, i.e.,:
Suspension in water outlet (SS) is not distinctly claimed in the standard, MBR Process for Effluent suspension (SS) is close to 0.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention God is with principle, and any modification, equivalent substitution and improvements made etc. should be included in the scope of the protection.

Claims (10)

1. a kind of high-efficiency wastewater treatment system, it is characterised in that:Pretreatment structures, biology including passing sequentially through pipeline communication Pond, membrane cisterna and sterilization pool;
In the biological tank, anaerobic zone, anoxic zone and aerobic zone are sequentially provided with according to the flow direction of sewage;
The membrane cisterna includes being sequentially provided with membrane cisterna aerobic zone (1), film area (2) and sludge in membrane cisterna wall (8), membrane cisterna wall (8) Recirculating zone (3), is separated between the membrane cisterna aerobic zone (1) and film area (2) by the first partition wall (7);The film area (2) and dirt Mud recirculating zone (3) is separated by the second partition wall (11);
Membrane cisterna wall (8) positioned at membrane cisterna aerobic zone (1) is provided with water inlet pipe (5);And some groups are provided with membrane cisterna aerobic zone (1) Microporous aeration device (4);
The film area (2) is provided with some groups of film units (21);Two adjacent groups film unit is isolated between (21) by wall;
Membrane cisterna wall (8) positioned at sludge reflux area (3) is provided with mud return line (31) and excess sludge pipe (32);
The sludge reflux area (3) of the membrane cisterna is back to the aerobic zone of biological tank provided with sludge reflux pump;The biological tank it is good Oxygen area is back to the anoxic zone of biological tank provided with sludge pump;And the anoxic zone of the biological tank also is provided with sludge reflux pump and is back to The anaerobic zone of biological tank.
2. high-efficiency wastewater treatment system according to claim 1, it is characterised in that:The pretreatment structures are according to sewage Flow direction, is sequentially provided with coarse rack (107), fine fack (108), setting pot (109) and film grid (122).
3. high-efficiency wastewater treatment system according to claim 1, it is characterised in that:The biological tank has two, respectively It is that both the first biological tank (105) and the second biological tank (106) pass through pipeline communication with pretreatment structures respectively.
4. high-efficiency wastewater treatment system according to claim 2, it is characterised in that:The membrane cisterna has four, wherein two It is individual to be connected with a biological tank;Two other is connected with another biological tank;And four membrane cisternas connect with sterilization pool (110) It is logical.
5. the high-efficiency wastewater treatment system according to any one of Claims 1 to 4, it is characterised in that:The biological tank is detested Oxygen area is divided into two parts by wall, and wall is vertical with water (flow) direction, is respectively the first anaerobic zone (111) according to water (flow) direction With the second anaerobic zone (112);And first anaerobic zone (111) side wall be provided with biological tank water inlet pipe (121);Second anaerobic zone (112) gallery partition wall (120) is provided with;And gallery partition wall (120) setting direction is identical with water (flow) direction;And in the second anaerobism The side wall in area (112) is provided with the water hole connected with anoxic zone.
6. high-efficiency wastewater treatment system according to claim 5, it is characterised in that:The anoxic zone of the biological tank is according to water Flowing direction includes the first anoxic zone (113), the second anoxic zone (114) and the 3rd anoxic zone (115);And first anoxic zone (113) it is be arranged in parallel with the second anaerobic zone (112), second anoxic zone (114) lacks with the 3rd anoxic zone (115) with first Oxygen area (113) is vertically arranged;And first be equipped with gallery partition wall (120) in anoxic zone (113) and the 3rd anoxic zone (115); The side wall of second anaerobic zone (112) is provided with the water hole connected with the first anoxic zone (113);Side in the second anoxic zone (114) Wall is provided with the water hole connected with the second anoxic zone (113);Side wall in the 3rd anoxic zone (115) is provided with and the second anoxic zone (114) water hole of connection, and the water hole is arranged far from one end of the second anoxic zone (113);
The aerobic zone of the biological tank includes the first aerobic zone (116), the second aerobic zone (117) and the 3rd according to water (flow) direction Aerobic zone (118), and be arranged in parallel with the 3rd anoxic zone (115);The side wall of first aerobic zone (116) is provided with and the 3rd anoxic The water hole of area (115) connection, and the water hole is arranged far from one end of the second anoxic zone (113);Second aerobic zone (117) Side wall be provided with the water hole that is connected with the first aerobic zone (116), and the water hole is positioned close to the second anoxic zone (113) One end;The side wall of 3rd aerobic zone (118) is provided with the water hole connected with the second aerobic zone (117), and the water hole is arranged on One end away from the second anoxic zone (113);3rd aerobic zone (118) is provided with biological tank outlet pipe.
7. the high-efficiency wastewater treatment system according to any one of Claims 1 to 4, it is characterised in that:The film unit (21) Including two groups of film devices (211);Separated between two groups of film devices (211) by the 3rd partition wall (12), make every group of film device (211) Set respectively in independent space, and on the first partition wall (7) and the second partition wall (11) corresponding to every group of film device (211) There are water inlet (22) and delivery port (23);It is preferred that, every group of film device (211) includes 7 film framves;
The top of 3rd partition wall (12) is provided with piping lane (121), and the water producing pipe (28) drawn from every group of film device (211) is gentle Pipe is connected with piping lane (121) interior water producing pipe (28) and tracheae respectively;And the water producing pipe and tracheae in piping lane (121) all extend to film Equipment room;
3rd partition wall (12) is provided with through hole (26), the space where through hole (26) the insertion two adjacent groups film device.
8. high-efficiency wastewater treatment system according to claim 7, it is characterised in that:Every group of film device (211) it is corresponding enter The mouth of a river (22) place is equipped with inlet damper (27);And water inlet (22) place is provided with inlet gate (24);Delivery port (23) place is provided with Water outlet gate (25);Where the inlet damper (27) is located at film device (211) in space.
9. high-efficiency wastewater treatment system according to claim 7, it is characterised in that:The membrane cisterna wall (8) surrounds cylinder Body;And the space between the film unit (21) and membrane cisterna wall (8) at two ends is poured with concrete (9);
The film area (2) sets six groups of film units (21) altogether, and middle four groups of film units (21) are relative to the film unit at two ends (21) protruded to sludge reflux area (3).
10. high-efficiency wastewater treatment system according to claim 7, it is characterised in that:The membrane cisterna aerobic zone (1) is by centre Position be provided between the 4th partition wall (10), and the two ends of the 4th partition wall (10) and membrane cisterna wall (8) exist be spaced;
The film area (2) is additionally provided with blow-down pipe and filling pipe, and the blow-down pipe is connected with film unit (21);The filling pipe and film Unit (21) is connected;And some catch pits are provided with the film unit (21).
CN201710294970.0A 2017-04-28 2017-04-28 A kind of high-efficiency wastewater treatment system Pending CN106986497A (en)

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CN201710294970.0A CN106986497A (en) 2017-04-28 2017-04-28 A kind of high-efficiency wastewater treatment system

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Application Number Priority Date Filing Date Title
CN201710294970.0A CN106986497A (en) 2017-04-28 2017-04-28 A kind of high-efficiency wastewater treatment system

Publications (1)

Publication Number Publication Date
CN106986497A true CN106986497A (en) 2017-07-28

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Country Status (1)

Country Link
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