CN106927644A - A kind of sewage disposal system carries the remodeling method of mark dilatation - Google Patents

A kind of sewage disposal system carries the remodeling method of mark dilatation Download PDF

Info

Publication number
CN106927644A
CN106927644A CN201710296293.6A CN201710296293A CN106927644A CN 106927644 A CN106927644 A CN 106927644A CN 201710296293 A CN201710296293 A CN 201710296293A CN 106927644 A CN106927644 A CN 106927644A
Authority
CN
China
Prior art keywords
zone
water
film
membrane cisterna
biological tank
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201710296293.6A
Other languages
Chinese (zh)
Inventor
李力
阎怀国
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Citic Environmental Technology (tianjin) Co Ltd
Original Assignee
Citic Environmental Technology (tianjin) Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Citic Environmental Technology (tianjin) Co Ltd filed Critical Citic Environmental Technology (tianjin) Co Ltd
Priority to CN201710296293.6A priority Critical patent/CN106927644A/en
Publication of CN106927644A publication Critical patent/CN106927644A/en
Pending legal-status Critical Current

Links

Classifications

    • 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
    • C02F1/001Processes for the treatment of water whereby the filtration technique is of importance
    • 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
    • C02F1/44Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
    • 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
    • C02F2001/007Processes including a sedimentation step
    • 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
    • C02F2303/00Specific treatment goals
    • C02F2303/04Disinfection
    • 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
    • C02F3/28Anaerobic digestion processes
    • 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 provides the remodeling method that a kind of sewage disposal system proposes mark dilatation, it is with sewage treatment plant's original technique:Based on water inlet → coarse rack → fine fack → setting pot → film grid → biological tank → sedimentation basin → sterilization pool → water outlet, transformed on the structures of original technique, the structure of biological tank is transformed, and sedimentation basin is transformed into membrane cisterna, make the rationally distributed of structures, improve sewage disposal scale, 200,000 ton days are promoted to by former 100,000 ton days, effluent quality is improve simultaneously, by original《The dirty discharge standard of urban wastewater treatment firm pollution》In secondary standard be promoted to the class standard of surface water IV (in addition to TN), and simultaneously in transformation process, it is ensured that whole sewage treatment plant normally runs operation, it is to avoid the loss brought during due to transformation.

Description

A kind of sewage disposal system carries the remodeling method of mark dilatation
Technical field
The invention belongs to technical field of sewage, the transformation side of mark dilatation is carried more particularly, to a kind of sewage disposal system Method.
Background technology
Water resources problems is the significant problem of today's society, and it drastically influence environment, and govern economy can with social Sustainable development.Especially at this stage, substantial amounts of wastewater disposition causes larger bearing to the sewage treatment works of sewage treatment plant Load, urgent need will be improved, to meet bigger demand.
With the continuous improvement of sewage disposal technology level, in order to adapt to increasingly strict sewage discharge requirement, further Improve the treatment efficiency of municipal sewage plant, many built sewage treatment plants in the urgent need to carrying out technology upgrading transformation, and The trial of various upgrade technique transformations is proceeded by, but how according to own characteristic, rational technical scheme is selected, as implementation The key of upgrading.In many improved projects, many sewage treatment plants, because building time is more early, with urban development, Sewage quantity increase in service range, while periphery is used to extend without soil;Transform dilatation when, it is necessary to by Sewage Plant move to It is newly-built compared with far region beyond city;Or in transformation, it is necessary to remove original structures, newly-built new structures are come after meeting improvement Sewage disposal demand;So not only quantities is larger, invests higher, and operating cost is higher, while influenceing present situation Sewage Plant Operation so that there is raw sewerage during transformation and directly discharge.Therefore present situation Sewage Plant construction how is made full use of to build On the basis of thing, not newly-increased soil, original structures are not removed, propose the transformation of mark dilatation, as problem demanding prompt solution Place.
The content of the invention
In view of this, the present invention is directed to propose a kind of sewage disposal system carries the remodeling method of mark dilatation, structures are made It is rationally distributed, water treatment efficiency is improved, and ensure that whole sewage treatment plant ensures normal operation production operation simultaneously.
To reach above-mentioned purpose, the technical proposal of the invention is realized in this way:
A kind of sewage disposal system carries the remodeling method of mark dilatation, and it is with raw sewage handling process:Water inlet → coarse rack Based on → fine fack → setting pot → film grid → biological tank → sedimentation basin → sterilization pool → water outlet, in constructing for original technique Transformed on thing, wherein the structures of original technique include two biological tanks and four sedimentation basins;It is characterized in that:Will be raw The structure in thing pond is transformed, and sedimentation basin is transformed into membrane cisterna, is comprised the following steps,
1) one of sedimentation basin is selected, carries out transforming membrane cisterna as;Sewage is processed by the other three sedimentation basin;
2) step 1 is treated) after the completion of, first membrane cisterna water flowing;Second sedimentation basin is simultaneously closed off, carries out transforming membrane cisterna as; Sewage is processed by first improved membrane cisterna and remaining two sedimentation basins;
3) step 2 is treated) second sedimentation basin transform as after the completion of membrane cisterna, second membrane cisterna water flowing;Simultaneously close off wherein one Individual biological tank and two other sedimentation basin, are transformed;Sewage is by another biological tank and by improved two films Pond is processed;
4) treat step 3) in a biological tank transformation after the completion of, carry out water flowing;Remaining biological tank is simultaneously closed off, is carried out Transformation;Sewage is processed by improved biological tank and two membrane cisternas;
5) treat step 3) in remaining two sedimentation basins transform membrane cisterna, step 4 as) in after the completion of remaining biological tank transformation, entirely Portion's sewage is processed by improved two biological tanks and four membrane cisternas;
Above in each step, also including changing to cutting for pipeline, the circulation with sewage is that foundation is transformed.
Further, by the improved membrane cisterna of sedimentation basin, two of which is connected with a biological tank;Two other with separately One biological tank connection;And four membrane cisternas are connected with sterilization pool.
Further, before biological tank and sedimentation basin transformation is carried out, also including the treatment of newly-built pretreatment structures, its Include newly-built coarse rack, fine fack, setting pot and film grid.
Further, the structure of the membrane cisterna transformed through sedimentation basin is that the membrane cisterna is included in membrane cisterna wall, membrane cisterna wall successively Membrane cisterna aerobic zone, film area and sludge reflux area are provided with, are separated by the first partition wall between the membrane cisterna aerobic zone and film area;Institute Shu Mo areas 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 some groups of porous tubulars are provided with membrane cisterna aerobic zone Aeration tube group;
The film area is provided with some groups of film units;Isolated by wall between two adjacent groups film unit;
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 provided with the aerobic zone that sludge reflux pump is back to biological tank;The biological tank it is good Oxygen area is provided with the anoxic zone that sludge pump is back to biological tank;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.
Further, the film unit includes two groups of film devices, is separated by the 3rd partition wall between two groups of film devices, makes every group Film device is located in independent space, and is respectively equipped with into water on the first partition wall and the second partition wall corresponding to every group of film device Mouth and delivery port;Every group of film device is provided with 5~8 film framves.Piping lane is provided with above 3rd partition wall, from every group of film device The water producing pipe and tracheae of extraction are connected with water producing pipe in piping lane and tracheae respectively;And the water producing pipe and tracheae in piping lane are all extended to 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;
The inlet damper is located in space where film device.
Further, the membrane cisterna wall surrounds cylinder;And the space between the film unit and membrane cisterna wall positioned 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;
The membrane cisterna aerobic zone is provided with the 4th partition wall by middle position, and the 4th partition wall two ends and membrane cisterna wall between In the presence of 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 Unit's connection;And some catch pits are provided with the film unit.
Further, the structure of improved biological tank is that the anaerobic zone of the biological tank is divided into two parts by wall, Wall is vertical with water (flow) direction, and the first anaerobic zone and the second anaerobic zone are respectively according to water (flow) direction;And first anaerobic zone side Wall is provided with biological tank water inlet pipe;Gallery partition wall is provided with second anaerobic zone;And gallery partition wall setting direction is and water (flow) direction It is identical;And the side wall in the second anaerobic zone is provided with the water hole 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 sets 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 the 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.
Further, the aerobic zone of the biological tank includes the first aerobic zone, the second aerobic zone and the according to water (flow) direction Three aerobic zones, and be arranged in parallel with the 3rd anoxic zone;The side wall of the first aerobic zone is provided with the water excessively connected with the 3rd anoxic zone Hole, and the water hole is arranged far from one end of the second anoxic zone;The side wall of the second aerobic zone is provided with and is connected with the first aerobic zone Water hole, and the water hole is positioned close to one end of the second anoxic zone;The side wall of the 3rd aerobic zone is provided with aerobic with second The water hole of area's connection, 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.
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 utilization rate higher 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) remodeling method of the present invention be carried out in original sewage disposal system it is improved, first membrane cisterna be Reconstructed under original circular pond body, without newly-increased occupation of land, and rebuild without original pond body is removed, make full use of each empty Between, and save reconstruction cost and the engineering time;And water distribution is uneven in solving prior art transformation, the pollution level of film is not Equal irrealizable problem.
(4) improved sewage disposal system of the present invention, to knots such as pretreatment structures, membrane cisterna and biological tanks On the basis of structure is improved, solve the problems, such as that existing biological tank bearing capacity is inadequate, make sewage disposal scale by original 100,000 tons/ My god, bring up to 200,000 ton days;The treatment scale of biological tank brings up to 200,000 ton days, sewage disposal by 100,000 original ton days Efficiency is doubled;Effluent quality is improve simultaneously, by original《The dirty discharge standard of urban wastewater treatment firm pollution》In two grades Standard upgrading is to the class standard of surface water IV.
(5) remodeling method of the present invention, it is ensured that sewage disposal system is normally run in transformation process, work of not cutting off the water Industry, reduces the influence brought during transformation.
Brief description of the drawings
The accompanying drawing for constituting a part of the invention is used for providing a further understanding of the present invention, schematic reality of the invention Apply example and its illustrate, for explaining the present invention, 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 one group of structural representation 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 improved sewage disposal system described in the embodiment of the present invention;
Fig. 6 is the structural representation of the improved 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, porous tubular aeration tube group;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 is produced Pipe;5th, water inlet pipe;6th, overflow pipe;31st, mud return line;32nd, excess sludge pipe;33rd, residual sludge pump;7th, the first partition wall;8、 Membrane cisterna wall;9th, concrete;10th, the 4th partition wall;11st, the second partition wall;12nd, the 3rd partition wall;121st, piping lane;13rd, cover plate;101st, One membrane cisterna;102nd, the second membrane cisterna;103rd, tertiary membrane pond;104th, the 4th membrane cisterna;105th, the first biological tank;106th, the second biological tank; 107th, coarse rack;108th, fine fack;109th, settling pit;110th, sterilization pool;111st, the first anaerobic zone;112nd, the second anaerobic zone; 113rd, the first 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.
Specific 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 ", D score, The orientation or position relationship of the instruction such as "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outward " are Based on orientation shown in the drawings or position relationship, it is for only for ease of and describes the present invention and simplify to describe, rather than instruction or dark Showing the device or element of meaning must have specific orientation, with specific azimuth configuration and operation therefore it is not intended that right Limitation of the invention.Additionally, 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 Company ", " connection " should be interpreted broadly, for example, it may be being fixedly connected, or being detachably connected, or be integrally connected;Can Being to mechanically connect, or electrically connect;Can be joined directly together, it is also possible to be indirectly connected to by intermediary, Ke Yishi Two connections of element internal.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 sewage disposal system carries the remodeling method of mark dilatation, and it is with sewage treatment plant's original technique:Water inlet → thick lattice Based on 109 → biological tank of grid 107 → fine fack, 108 → setting pot → sedimentation basin → 110 → water outlet of sterilization pool, in original technique Structures on transformed, wherein the structures of original technique include two biological tanks and four sedimentation basins;By biological tank Structure transformed, and sedimentation basin is transformed into membrane cisterna, comprise the following steps,
1) one of sedimentation basin is selected, carries out transforming membrane cisterna as;Sewage is processed by the other three sedimentation basin;
2) step 1 is treated) after the completion of, first membrane cisterna water flowing;Second sedimentation basin is simultaneously closed off, carries out transforming membrane cisterna as; Sewage is processed by first improved membrane cisterna and remaining two sedimentation basins;
3) step 2 is treated) second sedimentation basin transform as after the completion of membrane cisterna, second membrane cisterna water flowing;Simultaneously close off wherein one Individual biological tank and two other sedimentation basin, are transformed;Sewage is by another biological tank and by improved two films Pond is processed;
4) treat step 3) in a biological tank transformation after the completion of, carry out water flowing;Remaining biological tank is simultaneously closed off, is carried out Transformation;Sewage is processed by improved biological tank and two membrane cisternas;
5) treat step 3) in remaining two sedimentation basins transform membrane cisterna, step 4 as) in after the completion of remaining biological tank transformation, entirely Portion's sewage is processed by improved two biological tanks and four membrane cisternas;
Above in each step, also including changing to cutting for pipeline, the circulation with sewage is that foundation is transformed.
Before biological tank and sedimentation basin transformation is carried out, also including the treatment of newly-built pretreatment structures, including Newly-built coarse rack 107, fine fack 108, setting pot 109 and film grid 122.
Improved sewage disposal system include passing sequentially through the pretreatment structures of pipeline communication, biological tank, membrane cisterna 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 are by the Two partition walls 11 separate;
Membrane cisterna wall 8 positioned at membrane cisterna aerobic zone 1 is provided with water inlet pipe 5;And it is provided with some groups of micropores in membrane cisterna aerobic zone 1 Tubular type aeration tube group 4;
The film area 2 is provided with some groups of film units 21;Isolated by wall between two adjacent groups film unit 21;
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 provided with the aerobic zone that sludge reflux pump is back to biological tank;The biological tank Aerobic zone is provided with the anoxic zone that sludge pump is back to biological tank;And the anoxic zone of the biological tank also is provided with sludge reflux pump reflux To the anaerobic zone of biological tank.
The film unit 21 includes two groups of film devices 211, is separated by the 3rd partition wall 12 between 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 the 3rd partition wall 12 is provided with piping lane 121, from water producing pipe 28 and tracheorrhaphy that every group of film device 211 is drawn Do not connected with water producing pipe 28 in piping lane 121 and tracheae;And between the water producing pipe 28 and tracheae in piping lane 121 all extend to 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 it is provided with intake gate at water inlet 22 Door 24;Water outlet gate 25 is provided with delivery port 23.
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 by middle position, and the 4th partition wall 10 two ends and membrane cisterna wall 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 it is provided with some catch pits in 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 the side wall of anaerobic zone 111 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 the 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 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;In the side of 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 connects 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 the 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 the 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 sewage disposal system after transformation:Sewage sequentially passes through coarse rack 107, fine fack 108 and sand setting Pond 109;Then it is divided into two parts, respectively enters the first biological tank 105 and the second biological tank 106;From the first biological tank 105 out Sewage respectively enter the membrane cisterna 104 of tertiary membrane pond 103 and the 4th;First is respectively enterd from the second biological tank 106 sewage out The membrane cisterna 102 of membrane cisterna 101 and second;Sterilization pool 110 is finally entered from each membrane cisterna sewage out;
The course of work of the sewage in each membrane cisterna, the sewage processed by biological tank is introduced into membrane cisterna by water inlet pipe 5 Aerobic zone 1, the space where then entering each film device 211 by water inlet 22 again, carries out film process, through film process Water enters next handling process by water producing pipe 28;The remaining muddy water after film process is discharged to sludge and returns by delivery port 23 simultaneously Stream area 3 a, part returns to biological tank by mud return line 31;Another part is by the drive of residual sludge pump 33 through surplus Remaining sludge pipe 32 is discharged.
Sewage disposal membrane cisterna of the present invention is isolated from the outside by the cover plate 13 that top is set.
Sewage disposal system of the present invention, each structures cooperate, and are provided with multiple biological tanks and membrane cisterna, are easy to Repaired in the case of not out of service;
Take up an area without newly-increased, and rebuild without original pond body is removed, save reconstruction cost and the engineering time;And Water distribution is uneven in solving prior art transformation, the not equal irrealizable problem of pollution level of film.
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. Presently preferred embodiments of the present invention is the foregoing is only, is not intended to limit the invention, it is all in the spirit and principles in the present invention Within, any modification, equivalent substitution and improvements made etc. should be included within the scope of the present invention.

Claims (10)

1. a kind of sewage disposal system carries the remodeling method of mark dilatation, and it is with raw sewage handling process:Water inlet → coarse rack (107) → fine fack (108) → setting pot (109) → film grid (122) → biological tank → sedimentation basin → sterilization pool (110) → go out Based on water, transformed on the structures of original technique, wherein the structures of original technique include two biological tanks and Four sedimentation basins;It is characterized in that:The structure of biological tank is transformed, and sedimentation basin is transformed into membrane cisterna, including following step Suddenly,
1) one of sedimentation basin is selected, carries out transforming membrane cisterna as;Sewage is processed by the other three sedimentation basin;
2) step 1 is treated) after the completion of, first membrane cisterna water flowing;Second sedimentation basin is simultaneously closed off, carries out transforming membrane cisterna as;Sewage Processed by first improved membrane cisterna and remaining two sedimentation basins;
3) step 2 is treated) second sedimentation basin transform as after the completion of membrane cisterna, second membrane cisterna water flowing;Simultaneously close off one of life Thing pond and two other sedimentation basin, are transformed;Sewage is entered by another biological tank and by improved two membrane cisternas Row treatment;
4) treat step 3) in a biological tank transformation after the completion of, carry out water flowing;Remaining biological tank is simultaneously closed off, is changed Make;Sewage is processed by improved biological tank and two membrane cisternas;
5) treat step 3) in remaining two sedimentation basins transform membrane cisterna, step 4 as) in after the completion of remaining biological tank transformation, it is all dirty Water is processed by improved two biological tanks and four membrane cisternas;
Above in each step, also including changing to cutting for pipeline, the circulation with sewage is that foundation is transformed.
2. sewage disposal system according to claim 1 carries the remodeling method of mark dilatation, it is characterised in that:Changed by sedimentation basin Membrane cisterna after making, two of which is connected with a biological tank;Two other is connected with another biological tank;And four membrane cisternas Connected with sterilization pool (110).
3. sewage disposal system according to claim 1 carries the remodeling method of mark dilatation, it is characterised in that:Because dilatation is needed Will, newly-built pretreatment structures, including newly-built coarse rack (107), fine fack (108), setting pot (109) and film grid (122)。
4. sewage disposal system according to claim 1 carries the remodeling method of mark dilatation, it is characterised in that:Change through sedimentation basin The structure of the membrane cisterna made is, the membrane cisterna include being sequentially provided with membrane cisterna wall (8), membrane cisterna wall (8) membrane cisterna aerobic zone (1), Film area (2) and sludge reflux area (3), are separated between the membrane cisterna aerobic zone (1) and film area (2) by the first partition wall (7);Institute Shu Mo areas and sludge reflux area (3) are 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 it is provided with some groups in membrane cisterna aerobic zone (1) Porous tubular aeration tube group (4);
The film area (2) is provided with some groups of film units (21);Isolated by wall between two adjacent groups film unit (21);
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 provided with the aerobic zone that sludge reflux pump is back to biological tank;The biological tank it is good Oxygen area is provided with the anoxic zone that sludge pump is back to biological tank;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.
5. sewage disposal system according to claim 4 carries the remodeling method of mark dilatation, it is characterised in that:The film unit (21) including two groups of film devices (211), separated by the 3rd partition wall (12) between two groups of film devices (211), make every group of film device (211) in independent space, and on the first partition wall (7) and the second partition wall (11) corresponding to every group of film device (211) It is respectively equipped with water inlet (22) and delivery port (23);
Piping lane (121) is provided with above 3rd partition wall (12), 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.
6. sewage disposal system according to claim 5 carries the remodeling method of mark dilatation, it is characterised in that:Every group of film device (211) corresponding water inlet (22) place is equipped with inlet damper (27);And water inlet (22) place is provided with inlet gate (24);Water outlet Mouth (23) place is provided with water outlet gate (25);
The inlet damper (27) is in space where film device (211).
7. sewage disposal system according to claim 5 carries the remodeling method of mark dilatation, it is characterised in that:The membrane cisterna wall Body (8) surrounds cylinder;And the space concrete (9) between the film unit (21) and membrane cisterna wall (8) at two ends is poured;
The film area (2) sets six groups of film units (21), and middle four groups of film units (21) relative to the film unit at two ends altogether (21) protruded to sludge reflux area (3);
The membrane cisterna aerobic zone (1) is provided with the 4th partition wall (10) by middle position, and the 4th partition wall (10) two ends and membrane cisterna There is interval between wall (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 it is provided with some catch pits in the film unit (21).
8. sewage disposal system according to claim 1 carries the remodeling method of mark dilatation, it is characterised in that:Improved life The structure in thing pond is that 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 Stream direction is respectively the first anaerobic zone (111) and the second anaerobic zone (112);And first the side wall of anaerobic zone (111) be provided with life Thing pond water inlet pipe (121);Gallery partition wall (120) is provided with second anaerobic zone (112);And gallery partition wall (120) setting direction is equal It is identical with water (flow) direction;And the side wall in the second anaerobic zone (112) is provided with the water hole connected with anoxic zone.
9. sewage disposal system according to claim 1 carries the remodeling method of mark dilatation, it is characterised in that:The biological tank Anoxic zone according to water (flow) direction include the first anoxic zone (113), the second anoxic zone (114) and the 3rd anoxic zone (115);And First anoxic zone (113) be arranged in parallel with the second anaerobic zone (112), second anoxic zone (114) and the 3rd anoxic zone (115) It is vertically arranged with the first anoxic zone (113);And first be equipped with anoxic zone (113) and the 3rd anoxic zone (115) gallery every Wall (120);Side wall in the second anaerobic zone (112) is provided with the water hole connected with the first anoxic zone (113);In the second anoxic zone (114) side 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 water hole of two anoxic zones (114) connection, and the water hole is arranged far from one end of the second anoxic zone (113).
10. sewage disposal system according to claim 9 carries the remodeling method of mark dilatation, it is characterised in that:The biology The aerobic zone in pond includes the first aerobic zone (116), the second aerobic zone (117) and the 3rd aerobic zone (118) according to water (flow) direction, And be arranged in parallel with the 3rd anoxic zone (115);The side wall of the first aerobic zone (116) is provided with and is connected with the 3rd anoxic zone (115) Water hole, and the water hole is arranged far from one end of the second anoxic zone (113);The side wall of the 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 The side wall of aerobic zone (118) is provided with the water hole connected with the second aerobic zone (117), and the water hole is arranged far from second and lacks The one end in oxygen area (113);3rd aerobic zone (118) is provided with biological tank outlet pipe.
CN201710296293.6A 2017-04-28 2017-04-28 A kind of sewage disposal system carries the remodeling method of mark dilatation Pending CN106927644A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710296293.6A CN106927644A (en) 2017-04-28 2017-04-28 A kind of sewage disposal system carries the remodeling method of mark dilatation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710296293.6A CN106927644A (en) 2017-04-28 2017-04-28 A kind of sewage disposal system carries the remodeling method of mark dilatation

Publications (1)

Publication Number Publication Date
CN106927644A true CN106927644A (en) 2017-07-07

Family

ID=59438455

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710296293.6A Pending CN106927644A (en) 2017-04-28 2017-04-28 A kind of sewage disposal system carries the remodeling method of mark dilatation

Country Status (1)

Country Link
CN (1) CN106927644A (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103570122A (en) * 2013-10-14 2014-02-12 上海市城市建设设计研究总院 Lateral water distribution MBR (Membrane Biological Reactor)
CN203529983U (en) * 2013-09-12 2014-04-09 苏州大学 Wastewater treatment system
CN103848542A (en) * 2014-02-21 2014-06-11 上海同臣环保有限公司 Advanced wastewater treatment technology for sewage treatment and upgrading and reconstruction
CN104761054A (en) * 2015-03-19 2015-07-08 叶长兵 Improvement and upgrading method of AO sewage treatment technology
CN205892869U (en) * 2016-07-14 2017-01-18 中信环境技术(广州)有限公司 Sewage treatment plant proposes mark dilatation and reforms transform sewage treatment pond

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203529983U (en) * 2013-09-12 2014-04-09 苏州大学 Wastewater treatment system
CN103570122A (en) * 2013-10-14 2014-02-12 上海市城市建设设计研究总院 Lateral water distribution MBR (Membrane Biological Reactor)
CN103848542A (en) * 2014-02-21 2014-06-11 上海同臣环保有限公司 Advanced wastewater treatment technology for sewage treatment and upgrading and reconstruction
CN104761054A (en) * 2015-03-19 2015-07-08 叶长兵 Improvement and upgrading method of AO sewage treatment technology
CN205892869U (en) * 2016-07-14 2017-01-18 中信环境技术(广州)有限公司 Sewage treatment plant proposes mark dilatation and reforms transform sewage treatment pond

Similar Documents

Publication Publication Date Title
CN100545103C (en) Active sludge-biomembrane compounding integral sewage treating method and device thereof
CN103936148B (en) A kind of constant discharging varying duty SVBR sewage treatment process
CN101289263B (en) Integral sewage disposal process for strengthening sludge filtrating technology
CN101708918B (en) Improved integrated A/O sewage treatment equipment
CN205710299U (en) A kind of flow-type film mud coupling pond type denitrogenation dephosphorizing wastewater treatment equipment
CN106927644A (en) A kind of sewage disposal system carries the remodeling method of mark dilatation
CN104609553B (en) Co-peasant household type sewage treatment plant
CN103693739B (en) Integrated rainwater or architectural intermediate water treatment device utilizing air-lift internal loop biological enhancement bentonite dynamic membrane
CN209210482U (en) Integrated rural sewage-treatment plant associated with a kind of AAO and SBR technique
CN207062084U (en) A kind of high-efficiency wastewater treatment system
CN108996827B (en) Sewage plant tail water deep denitrification device based on methane oxidation
CN105217886A (en) A kind of method using the biological reaction tank of energy switch mode to dispose of sewage
CN109250818A (en) Vertical deflector type solid carbon source denitrification filter pool
CN104891745A (en) Upgrading and reconstruction method based on constructed rapid infiltration sewage treatment facility
CN205933556U (en) High -efficient, intensification cities and towns sewage treatment plant
CN109775936A (en) A kind of low energy consumption domestic sewage processing system
CN206680353U (en) A kind of embedded type domestic sewage disposal system
CN106986497A (en) A kind of high-efficiency wastewater treatment system
CN207130090U (en) Intensive municipal sewage treatment pool device
CN205892869U (en) Sewage treatment plant proposes mark dilatation and reforms transform sewage treatment pond
CN206915838U (en) A kind of sewage disposal membrane cisterna
CN105776773A (en) Integral device for treating domestic sewage by sludge bed and domestic sewage treatment method
CN206915945U (en) A kind of sewage disposal membrane cisterna of rectangle sedimentation tank transformation
CN203428992U (en) Sewage treatment device for recycling digested sludge
Takács et al. Final settling

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20170707