CN204752324U - Sewage continuous flow AO biochemical reactions and static integrated device that deposits of mud - Google Patents
Sewage continuous flow AO biochemical reactions and static integrated device that deposits of mud Download PDFInfo
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- CN204752324U CN204752324U CN201520444162.4U CN201520444162U CN204752324U CN 204752324 U CN204752324 U CN 204752324U CN 201520444162 U CN201520444162 U CN 201520444162U CN 204752324 U CN204752324 U CN 204752324U
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Abstract
Sewage continuous flow AO biochemical reactions and static integrated device that deposits of mud, the sewage treatment cell body has, be equipped with the biochemical district of oxygen deficiency of mutual intercommunication in the sewage treatment cell body in proper order, the biochemical district of good oxygen, biomembrane catalytic oxidation district and precipitation separation district, biochemical district of oxygen deficiency and inlet tube intercommunication, the biochemical district bottom of good oxygen is equipped with the air aerator, it packs to be equipped with the biomembrane in the biomembrane catalytic oxidation district, below packing, the biomembrane is equipped with the air aerator, position more than the precipitation separation district middle part is equipped with two or more precipitation separation rooms, water outlet branch pipe is passed through respectively to each precipitation separation room, it collects to go out the water control valve, and through the outside intercommunication of outlet pipe with the sewage treatment cell body, the bottom in precipitation separation district is the mixed liquid passageway of mud sewage, precipitation separation district and the biochemical intercommunication of distinguishing of oxygen deficiency, the utility model discloses area is little, and power consumption is few, makes and to hang down with the running cost, mainly used industry and domestic sewage's processing.
Description
Technical field
The utility model relates to waste disposal plant, specifically series flow of sewage AO biochemical reaction and mud static state deposition integrated apparatus.
Background technology
At present, in waste water biochemical treatment method, adopting Continuous Flow anoxic-aerobic activated sludge process, carry out the AO technique (Anaerobic-Anoxic-Oxic) that biological decarbonization is denitrogenated, is the common treatment process of sewage.It is the nitre state oxygen made full use of in denitrification process in nitrification liquid, carries out bio-oxidation BOD
5, reclaimed the oxygen requirement of partial digested reaction, the basicity that anti-nitration reaction produces can the basicity that consumes of partial-compensation nitration reaction, therefore to can another exogenously added alkali adjustment pH containing the not high sewage of nitrogen concentration.This technique is the simplest biological denitrification process in system, and total hydraulic detention time is less than other similar technique (denitrification process as general in Baden); Under the condition of anoxic, aerobic alternate run, filamentous bacterium can not amount reproduction, without the anxiety of sludge bulking, and SVI
-value is less than 100, and after being beneficial to process, sewage and mud is separated; In anoxic section, only need light and slow stirring in operation, working cost is low.Because anoxic, aerobic reaction pond are provided separately, therefore its decarburization efficiencies of nitrogen removal is higher and stable.
But from operative practice for many years, though existing AO activated sludge process continuous flow sewage treatment process is comparatively ripe, also there is a lot of shortcoming and defect, first, because biological denitrificaion needs to keep lower sludge loading, fully to carry out nitrated, reach higher denitrification percent, and biological phosphate-eliminating, then need to maintain higher sludge loading, keep larger surplus sludge volume, to reach good phosphor-removing effect, therefore need in the design to take necessary optimized Measures, to relax both contradiction.
Secondly, in existing AO activated sludge process continuous flow sewage treatment process, in order to obtain clean process water outlet, must by the mixed solution of suspended active mud and sewage (lower be called for short " mud and sewage mixed solution "), by arranging independent solid-liquid separation facility, as clarified settling tank, membrane separation unit etc., carry out the solid-liquid separation of mud and clear water.
Arranging clarification settling tank for taking, allowing suspended active mud by gravity settling, form the water-containing sludge of high density, fall to bottom settling tank and be separated with clarification clean water, clarification clean water in upper strata is discharged from settling tank surface; The method needs to arrange the clarification settling tank with certain settling zone and the residence time keeping enough making suspended active sludge settling get off, and this causes the volume space size of whole waste disposal plant to increase, and adds and takes up an area space and investment; Must arrange the structures such as sludge reflux, mud and sewage mixed-liquor return pump house in addition, cause technical process comparatively complicated, power consumption increases, and management is inconvenient, and floor space is larger; And for employing membrane separation unit, general micro-filtration or ultra-filtration membrane are as solid-liquid separation filtration medium, by the micro-pore-film filtration method of mud and sewage mixed solution by molecular level, allow water and other molecular level material under pressure, through film from micropore, form relatively clean filtration water outlet, be separated with high-concentration suspension mud mixed liquid.The advantage of membrane separation technique is to obtain the clean clean water almost complete absence of suspended sludge, but there is following shortcoming: one is that the manufacturing cost of micro-filtration or ultra-filtration membrane is very high, two is that the water permeation flux of film is lower, three is need regularly to carry out matting in case fouling membrane, four is must with pump by the pressurization of mud and sewage mixed solution or suction, can carry out normal filtration under pressure, this causes higher pumping water level pressure head or aspiration vacuum power, and running cost is increased.Therefore, how to reduce construction and running cost, reduce floor space, the amount of saving energy is problem to be solved in the utility model.
Summary of the invention
The purpose of this utility model is the problems referred to above existed for prior art, provides a kind of waste disposal plant integrating series flow of sewage AO biochemical reaction and mud interval static state deposition separation function; This apparatus structure is simple, equipment and capacity utilization high, floor space is little, and current consumption is economized, build and working cost low.
The utility model is achieved through the following technical solutions:
Series flow of sewage AO biochemical reaction and mud static state deposition integrated apparatus, comprise treatment tank body, the anoxic biochemical zone be communicated with successively is provided with in treatment tank body, aerobic biochemical district, biofilm contact oxidation zone and depositing separation area, anoxic biochemical zone is communicated with water inlet pipe, the bottom in aerobic biochemical district is provided with air aeration device, biofilm packing is provided with in biofilm contact oxidation zone, the below of biofilm packing is provided with air aeration device, position above in the middle part of depositing separation area is provided with two or more precipitate and separate room, each precipitate and separate room is respectively by exit branch, outlet water control valve collects, and by the ft connection of rising pipe and treatment tank body, the bottom of depositing separation area is mud and sewage mixed solution passage, depositing separation area is communicated with anoxic biochemical zone.
Treatment tank body described in the utility model is rectangle, wash plate is provided with in treatment tank body, one end of wash plate is connected with the inwall for the treatment of tank body front end, the other end extends to the rear end for the treatment of tank body but is not connected with treatment tank body inwall, thus in treatment tank body, form U-shaped revolution runner, in the side of U-shaped revolution runner wash plate, water (flow) direction is provided with the first lateral partitions, the second lateral partitions is disposed with along water (flow) direction at the opposite side of U-shaped revolution runner wash plate, lateral partitions behind lateral partitions and depositing separation area before depositing separation area, first lateral partitions, second lateral partitions, lateral partitions before depositing separation area, behind depositing separation area, treatment tank body is divided into anoxic biochemical zone by lateral partitions successively, aerobic biochemical district, biofilm contact oxidation zone and depositing separation area, lateral partitions before depositing separation area, behind depositing separation area, lateral partitions is all vertically set on position above in the middle part of precipitation and disengaging zone, region before depositing separation area behind lateral partitions and depositing separation area between lateral partitions is divided into two or more precipitate and separate room by one or more depositing separation area wash plate.
Wash plate described in the utility model, the first lateral partitions and the second lateral partitions are respectively arranged with the 3rd overcurrent hole, the first overcurrent hole and the second overcurrent hole, the 3rd overcurrent hole on wash plate and mud and sewage mixed solution channel connection, be provided with mud and sewage mixed-liquor return pump in the 3rd overcurrent hole.
The bottom of the anoxic biochemical zone described in the utility model is provided with submersible stirring flow device.
Each precipitate and separate indoor described in the utility model be provided with several side overflows catchment weir notch and several be longitudinally distributed on overflow and catchment the perforation header of weir notch both sides, header and the overflow weir notch that catchments is connected, and the overflow weir notch that catchments is communicated with exit branch, outlet water control valve.
Air aeration device described in the utility model is any one in micropore aeration pipe, aeration plate, boring aeration pipe.
Biofilm packing described in the utility model is any one in the elastic filler of commercially available man-made fiber or other materials, combined stuffing, noodle filler, and it is a kind of ribbon-like fibre filler preferably, and on filler, apposition growth has microbial film.
The employing programme controlled magnetic valve of PLC of outlet water control valve described in the utility model or manually valve.
By such scheme, take systematically integratedly can carry out anoxic denitrification, acidication, and poly-phosphorus, carbonization and the aerobic biochemical such as nitrated reaction series flow of sewage AO biochemical treatment apparatus, with intermittently utilize relative static conditions, carry out the precipitation separation device that mud and sewage mixed solution static state deposition is separated, the integrated sewage treating apparatus that synchronously can carry out series flow of sewage AO biochemical reaction and suspended sludge intermittently static state deposition has that low cost, less energy-consumption, working cost are low, the feature of economical and energy saving.
The utility model compared with prior art, has the following advantages:
(1) it is settlement separate that the mud and sewage mixed solution interval static state deposition tripping device that the utility model employing is integrated carries out suspended sludge, therefore the clarification settling tank having certain settling zone and keep sufficient dwell time that suspended sludge can be made to settle down need not be set separately, thus can reduce volume space and the floor space of waste disposal plant, save engineering-built cost of investment;
(2) the utility model adopts the mud and sewage mixed solution interval static state deposition tripping device of integration, suspended sludge is carried out settlement separate under the condition of interval static state deposition, not only can obtain the clean water outlet of clarification of better quality, the device integrated with series flow of sewage AO biochemical treatment is separated owing to adopting mud and sewage mixed solution static state deposition, sludge reflux and mud and sewage mixed-liquor return equipment unite two into one, and can reduce the investment of sludge reflux equipment and save sludge reflux equipment operation energy consumption; Adopt intermittent type static state deposition mode, be conducive to ensureing the settlement separate of suspended sludge, device structure is simple, operates very easy;
(3) the utility model adopts interval static state deposition tripping device under the condition of intermittent type static state deposition, membrane separation assemblies can be replaced to carry out the solid-liquid separation of mud and sewage mixed solution, reach the level of the mud and sewage mixed solution solid-liquid separation suitable with membrane separation unit, do not use expensive membrane separation plant, the equipment investment cost of equipment for separating liquid from solid can be reduced significantly, do not need regularly to carry out matting in case Film Contamination simultaneously, do not need to expend the energy pump mud and sewage mixed solution is carried out pressurizeing or suction filtration yet, thus reduce and save the running cost of mud and sewage mixed solution solid-liquid separation significantly,
(4) the utility model is compared with sequencing batch active sludge (SBR), the mode of mud and sewage mixed solution precipitate and separate is all adopt interval static state deposition, the clarification clean water of better quality can be obtained, the utility model adopts Continuous Flow circulation to carry out biochemical reaction purifying treatment wastewater pollutants, the interval static state deposition of suspended sludge is only carried out in the depositing separation area of local, thus the volume of biochemical reaction tank and plant factor higher than SBR, avoid SBR denitrification effect unstable simultaneously, decrease water level head loss, and cause oxygenation transfer efficiency unstable because of change of level, the shortcoming that efficiency of energy utilization is not good enough,
(5) combination of system and integrated is carried out in the process of series flow of sewage biochemical purification and the process of mud and sewage mixed solution interval static state deposition isolation of purified by the utility model, achieve under effluent cycle carries out the condition of biochemical reaction purifying treatment, carry out the function of mud and sewage mixed solution precipitate and separate in intermittent type static state deposition mode.
Accompanying drawing explanation
Fig. 1 is process flow diagram of the present utility model;
Fig. 2 is two dimensional structure schematic top plan view of the present utility model;
Fig. 3 is the A-A face cross-sectional schematic of Fig. 2;
Fig. 4 is the B-B face cross-sectional schematic of Fig. 2;
Fig. 5 is the C-C face cross-sectional schematic of Fig. 2;
Fig. 6 is the D-D face cross-sectional schematic of Fig. 2;
Fig. 7 is precipitate and separate cell structure schematic diagram;
In figure: 1-water inlet pipe, 2-treatment tank body, 3-anoxic biochemical zone, 4-aerobic biochemical district, 5-biofilm contact oxidation zone, 6-rising pipe, 7-mud vent pipe, 8-1-the first precipitate and separate room, 8-2-the second precipitate and separate room, 9-1-the first overcurrent hole, 9-2-the second overcurrent hole, 9-3-the 3rd overcurrent hole, 10-mud mixed liquid reflux pump, 11-stir impeller, 12-wash plate, 13-1-the first lateral partitions, 13-2-the second lateral partitions, lateral partitions before 14-depositing separation area, lateral partitions behind 15-depositing separation area, 16-depositing separation area wash plate, 17-air aeration device, 18-biofilm packing, 19-header, 20-overflow is catchmented weir notch, 21-mud and sewage mixed solution passage, 22-exit branch, 23-outlet water control valve.
Embodiment
As Fig. 2-7, the utility model has treatment tank body 2, the anoxic biochemical zone 3 be communicated with successively is provided with in treatment tank body 2, aerobic biochemical district 4, biofilm contact oxidation zone 5 and depositing separation area, anoxic biochemical zone 3 is communicated with water inlet pipe 1, the bottom in aerobic biochemical district 4 is provided with air aeration device 17, biofilm packing 18 is provided with in biofilm contact oxidation zone 5, the below of biofilm packing 18 is provided with air aeration device 17, position above in the middle part of depositing separation area is provided with the first precipitate and separate room 8-1 and the second precipitate and separate room 8-2, first precipitate and separate room 8-1 and the second precipitate and separate room 8-2 is respectively by exit branch 22, outlet water control valve 23 collects, and by the ft connection of rising pipe 6 with treatment tank body 2, the bottom of depositing separation area is mud and sewage mixed solution passage 21, depositing separation area is communicated with anoxic biochemical zone 3.
Described treatment tank body 2 is rectangle, wash plate 12 is provided with in treatment tank body 2, one end of wash plate 12 is connected with the inwall for the treatment of tank body 2 front end, the other end extends to the rear end for the treatment of tank body 2 but is not connected with the inwall for the treatment of tank body 2, thus in treatment tank body 2, form U-shaped revolution runner, the make a detour side of wash plate 12 of U-shaped backflow is provided with the first lateral partitions 13-1, the second lateral partitions 13-2 is set gradually along water (flow) direction at the make a detour opposite side of wash plate 12 of U-shaped backflow, lateral partitions 15 behind lateral partitions 14 and depositing separation area before depositing separation area, first lateral partitions 13-1, second lateral partitions 13-2, lateral partitions 14 before depositing separation area, behind depositing separation area, treatment tank body 2 is divided into anoxic biochemical zone 3 by lateral partitions 15 successively, aerobic biochemical district 4, biofilm contact oxidation zone 5 and depositing separation area, lateral partitions 14 before depositing separation area, behind depositing separation area, lateral partitions 15 is all vertically set on position above in the middle part of precipitation and disengaging zone, lateral partitions 14 and to precipitate and region behind disengaging zone between lateral partitions 15 is divided into the first precipitate and separate room 8-1 and second precipitate and separate room 8-2 two precipitate and separate rooms by one piece of depositing separation area wash plate 16 before precipitation and disengaging zone.
Described wash plate 12, first lateral partitions 13-1, the second lateral partitions 13-2 are respectively arranged with the 3rd overcurrent hole 9-3, the first overcurrent hole 9-1 and the second overcurrent hole 9-2, the 3rd overcurrent hole 9-3 on wash plate 12 is communicated with mud and sewage mixed solution passage 21, is provided with mud and sewage mixed-liquor return pump 10 in the 3rd overcurrent hole 9-3.
The bottom of described anoxic biochemical reaction zone 3 is provided with submersible stirring flow device 11.
Ribbon-like fibre biofilm packing 18 is laid with in described biofilm contact oxidation zone 5; In aerobic biochemical district 4, the below of the ribbon-like fibre biofilm packing 18 of biofilm contact oxidation zone 5 is provided with micropore aeration pipe 17.
Be evenly equipped with in described first precipitate and separate room 8-1 and the second precipitate and separate room 8-2 several side overflows catchment weir notch 20 and several be longitudinally distributed on overflow and catchment the perforation header 19 of weir notch 20 both sides, header 19 and the overflow weir notch 20 that catchments is connected, the overflow weir notch 20 that catchments is communicated with exit branch 22, outlet water control valve 23, and outlet water control valve 23 is for adopting the programme controlled magnetic valve of PLC.
The working process of the utility model waste disposal plant is:
(1) sewage collected, through pre-treatment, removes oarse-grained suspended substance and floating matter, is promoted enter series flow of sewage AO biochemical reaction and mud interval static separation integrated sewage treating apparatus by lift pump;
(2) sewage is entered anoxic (A) biochemical zone 3 of series flow of sewage AO biochemical zone by water inlet pipe 1, with through the 3rd overcurrent hole 9-3, that is refluxed from depositing separation area by mud mixed liquid reflux pump 10 mixes containing oxygen high concentration sludge sewage mixed solution, form the mud and sewage mixed solution of the lower and anoxic of relative concentration, mix with active sludge height simultaneously and contact, under the stirring plug-flow of submersible stirring flow device 11, along revolution flow passage;
(3) in revolution runner anoxic (A) biochemical zone 3, the mud and sewage mixed solution contacted is mixed with active sludge height, under the effect of anoxia condition and double oxygen, hydrolysis bacterium, macromole organic pollutant is hydrolyzed acidified degradation, under the effect of denitrifying bacteria, nitre state, nitrite nitrogen carry out the biochemical reactions such as denitrification denitrogenation; In revolution runner aerobic (O) biochemical zone 4, biofilm contact oxidation zone 5, the pressure air produced by blower fan or other plenum systems, the dissolved oxygen in mud and sewage mixed solution is increased through air aeration device 17 aeration, in sewage mixed solution, pollutent mixes with active sludge, microbial film height or contacts, under sufficient dissolved oxygen conditions, the pollutent such as small organic molecule and ammonia nitrogen is under the effect of aerobic carbonization, nitrifier, carry out hydrocarbon organic oxidation of coal, the nitrated of ammonia nitrogen waits biochemical reaction;
(4) through the mud and sewage mixed solution of anoxic, aerobic biochemical purifying treatment, mud and sewage mixed solution interval alternating static depositing separation area is entered from biofilm contact oxidation zone 5; According to different process conditions necessitate, first precipitate and separate room 8-1, the second precipitate and separate room 8-2 of depositing separation area are intermittently alternately in dynamic drainage stage or static state deposition stage respectively, wherein a part of mud and sewage mixed solution enters the first precipitate and separate room 8-1 being in the dynamic drainage stage, because outlet water control valve 23 is opened, slowly upwards displacement is discharged through biochemical and static state deposition purifying treatment, is positioned at the clean cleaning water on the first precipitate and separate room 8-1 surface and top; And another part mud and sewage mixed solution, then flow through from the mud and sewage mixed solution passage 21 of depositing separation area below the second precipitate and separate room 8-2 being in the static state deposition stage, be back to anoxic biochemical zone 3 through mud mixed liquid reflux pump 10; Enter the second precipitate and separate room 8-2 mud and sewage mixed solution being in the static state deposition stage, because outlet water control valve 23 is closed, be then in relative static conditions, the static state of carrying out suspended sludge is settlement separate;
(5) respectively through the first precipitate and separate room 8-1, the settlement separate suspended sludge got off of second precipitate and separate room 8-2, mud and sewage mixed solution with flowing in bottom, depositing separation area mud and sewage mixed solution passage 21 flows out depositing separation area, according to technique needs, through the 3rd overcurrent hole 9-3, anoxic (A) biochemical zone 3 is back to by mud and sewage mixed-liquor return pump 10, mix with the sewage entering anoxic (A) biochemical zone 3, aerobic (O) biochemical zone 4 is entered again through the first overcurrent hole 9-1, biofilm contact oxidation zone 5 is entered with through the second overcurrent hole 9-2, purification process technique process that is biochemical and static state deposition is carried out in depositing separation area circulation.
Specific embodiment described herein is only to the utility model explanation for example.The utility model person of ordinary skill in the field, can make various amendment or supplement or adopt similar mode to substitute to described specific embodiment, but can't depart from the utility model or surmount the scope that appended claims defines.
Claims (9)
1. series flow of sewage AO biochemical reaction and mud static state deposition integrated apparatus, comprise treatment tank body (2), it is characterized in that: in treatment tank body (2), be provided with the anoxic biochemical zone (3) be communicated with successively, aerobic biochemical district (4), biofilm contact oxidation zone (5) and depositing separation area, anoxic biochemical zone (3) is communicated with water inlet pipe (1), the bottom in aerobic biochemical district (4) is provided with air aeration device (17), biofilm packing (18) is provided with in biofilm contact oxidation zone (5), the below of biofilm packing (18) is provided with air aeration device (17), position above in the middle part of depositing separation area is provided with two or more precipitate and separate room, each precipitate and separate room is respectively by exit branch (22), outlet water control valve (23) collects, and by the ft connection of rising pipe (6) with treatment tank body (2), the bottom of depositing separation area is mud and sewage mixed solution passage (21), depositing separation area is communicated with anoxic biochemical zone (3).
2. series flow of sewage AO biochemical reaction according to claim 1 and mud static state deposition integrated apparatus, it is characterized in that: described treatment tank body (2) is rectangle, treatment tank body is provided with wash plate and lateral partitions in (2), wherein wash plate (12) one end is connected with the inwall for the treatment of tank body (2) front end, the other end extends to the rear end for the treatment of tank body (2) but is not connected with treatment tank body (2) inwall, thus in treatment tank body (2), form U-shaped revolution runner, the side of U-shaped revolution runner wash plate (12) is provided with the first lateral partitions (13-1), the second lateral partitions (13-2) is disposed with along water (flow) direction at the opposite side of U-shaped revolution runner wash plate (12), lateral partitions (15) behind lateral partitions (14) and depositing separation area before depositing separation area, first lateral partitions (13-1), second lateral partitions (13-2), lateral partitions (14) before depositing separation area, behind depositing separation area, treatment tank body (2) is divided into anoxic biochemical zone (3) by lateral partitions (15) successively, aerobic biochemical district (4), biofilm contact oxidation zone (5) and depositing separation area, lateral partitions (14) before depositing separation area, behind depositing separation area, lateral partitions (15) is all vertically set on position above in the middle part of depositing separation area, region before depositing separation area behind lateral partitions and depositing separation area between lateral partitions is divided into two or more precipitate and separate room by one or more depositing separation area wash plate (16).
3. series flow of sewage AO biochemical reaction according to claim 2 and mud static state deposition integrated apparatus, it is characterized in that: described wash plate (12), the first lateral partitions (13-1) and the second lateral partitions (13-2) are respectively arranged with the 3rd overcurrent hole (9-3), the first overcurrent hole (9-1) and the second overcurrent hole (9-2), the 3rd overcurrent hole (9-3) on wash plate (12) is communicated with mud and sewage mixed solution passage (21), is provided with mud and sewage mixed-liquor return pump (10) in the 3rd overcurrent hole (9-3).
4. series flow of sewage AO biochemical reaction according to claim 1 and mud static state deposition integrated apparatus, is characterized in that: the bottom of described anoxic biochemical zone (3) is provided with submersible stirring flow device (11).
5. series flow of sewage AO biochemical reaction according to claim 1 and mud static state deposition integrated apparatus, it is characterized in that: described each precipitate and separate indoor be evenly equipped with several side overflows catchment weir notch (20) and several be longitudinally distributed on overflow and catchment the perforation header (19) of weir notch (20) both sides, header (19) and the overflow weir notch (20) that catchments is connected, and the overflow weir notch (20) that catchments is communicated with exit branch (22), outlet water control valve (23).
6. series flow of sewage AO biochemical reaction according to claim 1 and mud static state deposition integrated apparatus, is characterized in that: described air aeration device (17) is micropore aeration pipe, any one in aeration plate, boring aeration pipe.
7. series flow of sewage AO biochemical reaction according to claim 1 and mud static state deposition integrated apparatus, it is characterized in that: any one in the elastic filler that described biofilm packing (18) is commercially available man-made fiber or other materials, combined stuffing, noodle filler, on filler, apposition growth has microbial film.
8. series flow of sewage AO biochemical reaction according to claim 7 and mud static state deposition integrated apparatus, is characterized in that: described biofilm packing (18) is preferably ribbon-like fibre filler.
9. series flow of sewage AO biochemical reaction according to claim 5 and mud static state deposition integrated apparatus, is characterized in that: described outlet water control valve (23) the employing programme controlled magnetic valve of PLC or manually valve.
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| CN201520444162.4U CN204752324U (en) | 2015-06-26 | 2015-06-26 | Sewage continuous flow AO biochemical reactions and static integrated device that deposits of mud |
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| CN201520444162.4U CN204752324U (en) | 2015-06-26 | 2015-06-26 | Sewage continuous flow AO biochemical reactions and static integrated device that deposits of mud |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108862589A (en) * | 2018-07-25 | 2018-11-23 | 苏州市排水有限公司 | A kind of multi-mode integrated effluent disposal system |
-
2015
- 2015-06-26 CN CN201520444162.4U patent/CN204752324U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108862589A (en) * | 2018-07-25 | 2018-11-23 | 苏州市排水有限公司 | A kind of multi-mode integrated effluent disposal system |
| CN108862589B (en) * | 2018-07-25 | 2024-02-23 | 苏州市排水有限公司 | Multi-mode integrated sewage treatment system |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151111 Termination date: 20210626 |