CN202658056U - Centralized sewage treatment device suitable for towns and townships - Google Patents
Centralized sewage treatment device suitable for towns and townships Download PDFInfo
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- CN202658056U CN202658056U CN 201220339124 CN201220339124U CN202658056U CN 202658056 U CN202658056 U CN 202658056U CN 201220339124 CN201220339124 CN 201220339124 CN 201220339124 U CN201220339124 U CN 201220339124U CN 202658056 U CN202658056 U CN 202658056U
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Abstract
The utility model belongs to the field of sewage treatment devices, and provides a centralized sewage treatment device suitable for towns and townships. The device is formed in a manner that a regulating acidizing region (1), sub-anaerobic regions (2), aerobic reacting regions (3) and disinfecting and discharging regions (4) are sequentially communicated. According to the centralized sewage treatment device suitable for the towns and the townships, the continuous water inflowing and intermittent water discharging are realized, and the steps of water homogenizing, primary depositing, biodegradation and secondary depositing are finished in a reactor. The aerobic, the sub-anaerobic and the anaerobic operations of organic matters in the sewage are continuously and alternately carried out, and when the COD (Chemical Oxygen Demand) (organic matter) is removed, the total nitrogen and the total phosphorus can be effectively removed. The centralized sewage treatment device suitable for the towns and the townships has the advantages of low construction cost, low cost, low energy consumption, little occupied land, high efficiency and short construction period, has the characteristics of miniaturization and device integration, and is easy to transport and mount.
Description
Technical field
The utility model belongs to the waste disposal plant field, further refers to the device of a kind of suitable town (township) concentrated sewage disposal.
Background technology
At present, most of town (township) not yet builds sewage work, and (township) sewage unprocessed environment water that directly enters in town's is seriously polluted.Town (township) is owing to be subjected to the restriction of fund technology, and the waste water control process is slow, far lags behind cities and towns.
In town's (township) Sewage treatment systems, utilize the pollutent in activated sludge process and the biomembrance process removal sewage, be the gordian technique that sewage is purified, the technology such as anaerobe embrane method, biological contact oxidation process, biological filter, oxidation ditch, blodisc, traditional activated sludge process are adopted in former town (township) sewage disposal mostly.
Relate to a kind of rural domestic sewage treating device such as number of patent application 201120040375, it comprises and is arranged at underground inlet well and equalizing tank, is provided with grid and lift pump in the inlet well, is provided with aeration tube in the equalizing tank; Be provided with a plash between inlet well and the equalizing tank, be mounted with adsorption stuffing in the plash, the adsorption stuffing top arranges the flusher that is connected with lift pump, and plash is communicated with equalizing tank by water port; Described adsorption stuffing is the multilayered structure that is alternately paved and form in plash by multilayer crop material and multilayer agricultural soil.
Disclose a kind of anoxic-anaerobic-oxidation ditch reactor assembly such as number of patent application 200810104257, comprised that water tank, anoxic pond, anaerobic pond, aeration tank and second pond form, chemical dephosphorization partly comprises and is provided with water inlet pipe; Return line, the chemical dephosphorization reactor of residue pipe; It is characterized in that: anaerobic pond connects the chemical dephosphorization reactor, and the return line of chemical dephosphorization reactor connects the oxidation ditch aeration pond through biological phosphate-eliminating.
Oxidation ditch process, traditional activated sludge process are the technology that town sewage is processed that mostly is used for, owing to have the problems such as investment is high, working cost is high, power consumption is high, inapplicable small sewage treatment plant.And use separately the technology such as anaerobe embrane method, biological contact oxidation process, biological filter, blodisc, its degree for the treatment of is low, can not reach to remove simultaneously the COD(organism), the requirement of total nitrogen and total phosphorus.
The utility model content
For the deficiencies in the prior art, the utility model provides the device of a kind of low cost, low cost, less energy-consumption, low occupation of land, high efficiency a kind of suitable town, township's sewage disposal.This device can be finished water quality homogenizing, primary deposition, biological degradation, secondary sedimentation in a device.Aerobic, the inferior anaerobism of organism, the continuous alternate run of anaerobism in the sewage are being removed the COD(organism) in, total nitrogen and total phosphorus can be effectively removed, and sludge reduction can be accomplished, have miniaturization and the integrated characteristics of device.
The technical solution of the utility model is:
The device of a kind of suitable town, township's concentrated sewage disposal comprises sterilization and discharge region, is communicated with successively with discharge region by adjusting acidifying district, inferior anaerobic zone, aerobic reactor zone and sterilization to form;
The front end in described adjusting acidifying district is provided with inlet flume and water inlet pipe; Entrance is provided with mechanical grille; The bottom is provided with air stirring pipe, and the rear end is provided with combined stuffing I; Sidewall is provided with reflux sludge tube b;
Described inferior anaerobic zone bottom is provided with low speed submersible agitator, middle part along diagonal and vertically is provided with combined stuffing II; Sidewall is provided with reflux sludge tube c;
The sidewall outside of described aerobic reactor zone is provided with blast aeration system; The bottom is provided with aerator; The front end edge vertical direction is provided with liquidometer; The rear end is provided with strains hydrophone; Be provided with return sludge pump, reflux sludge tube a, residual sludge pump and excess sludge pipe at the bottom of the pond of rear end;
Wherein, return sludge pump is communicated with the reflux sludge tube b that regulates the acidifying district and the reflux sludge tube c of inferior anaerobic zone by reflux sludge tube a.
The inside of described sterilization and discharge region is provided with disinfection apparatus, the rear portion is provided with drainage tray and rising pipe.
Described combined stuffing II(14) is 2m-3m highly, is arranged on the top of low speed submersible agitator (11).
The below makes further explanation the utility model:
Principle of the present utility model is:
The utility model adopts HA-CASS design, i.e. film, mud symbiosis acidication-cyclic activated sludge system.Regulate the acidifying district influent quality water yield has been changed shock absorption, simultaneously raw waste water is carried out pre-acidifying, to improve the effect of follow-up biochemical treatment.
Inferior anaerobic zone (HA) can move under anaerobism or double oxygen condition, and its basic function is to prevent sludge bulking, also has simultaneously the further release of promotion phosphorus and intensified anti-nitrated effect.In addition, the difficult degradation macromolecular substance generation hydrolytic action in this district has certain promoter action to improving the organic matter removal rate.
Aerobic reactor zone (CASS) is to remove organic main place.In the operational process aeration intensity is controlled, so that reaction zone is in synchronous nitration-denitrification state, thereby realized the efficient degradation organism.Sludge reflux to inferior anaerobic zone is to guarantee active sludge in inferior anaerobic zone high loading stage of experience, thereby is conducive to the growth of flocculence bacterium in the system, and improves the activity of mud, effectively suppresses hyphomycetic Growth and reproduction.Sludge reflux makes the further acidifying of mud to regulating the acidifying district, to reduce intrasystem surplus sludge volume.
Compared with prior art, advantage of the present utility model is:
The device of a kind of suitable town of the present utility model, township's concentrated sewage disposal is finished water quality homogenizing, primary deposition, biological degradation, secondary sedimentation in a device.Aerobic, the inferior anaerobism of organism, the continuous alternate run of anaerobism in the sewage are being removed the COD(organism) in, can effectively remove total nitrogen and total phosphorus, and can accomplish sludge reduction, have miniaturization and the integrated characteristics of device, be easy to transportation and short construction period is installed.
Description of drawings
Below in conjunction with accompanying drawing the utility model is further elaborated.
Fig. 1 is plane structure chart of the present utility model;
Fig. 2 is the A-A sectional view of Fig. 1;
In the drawings
1-regulates the acidifying district; The inferior anaerobic zone (HA) of 2-; 3-aerobic reactor zone (CASS); 4-sterilization and discharge region; The 5-inlet flume; The 6-drainage tray; The 7-blast aeration system; 8-return sludge pump (the dirty pipe of diving); 8-1-reflux sludge tube a; 8-2-reflux sludge tube b; 8-3-reflux sludge tube c; 9-residual sludge pump (submersible sewage pump); 9-1-excess sludge pipe; The 10-mechanical grille; 11-low speed submersible agitator; The 12-air stirring pipe; 13-combined stuffing I; 14-combined stuffing II; The 15-aerator; The 16-liquidometer; 17-strains hydrophone; The 18-water inlet pipe; The 19-rising pipe; The 20-disinfection apparatus.
Embodiment
Embodiment 1
In order better to understand the utility model, below in conjunction with embodiment the utility model is done further detailed description.
By Fig. 1 and Fig. 2 as can be known, the utility model is the device of a kind of suitable town, township's concentrated sewage disposal, comprises sterilization and discharge region 4, is communicated with successively with discharge region 4 and forms by regulating acidifying district 1, inferior anaerobic zone 2, aerobic reactor zone 3 and sterilization;
The front end in described adjusting acidifying district 1 is provided with inlet flume 5 and water inlet pipe 18; Entrance is provided with mechanical grille 10; The bottom is provided with air stirring pipe 12, and the rear end is provided with commercially available SB type combined stuffing I 13; Sidewall is provided with reflux sludge tube b 8-2;
Described inferior anaerobic zone 2 bottoms are provided with low speed submersible agitator 11, middle part along diagonal and vertically are provided with commercially available SB type combined stuffing II 14; Sidewall is provided with reflux sludge tube c 8-3;
The sidewall outside of described aerobic reactor zone 3 is provided with blast aeration system 7; The bottom is provided with aerator 15; The front end edge vertical direction is provided with liquidometer 16; The rear end is provided with strains hydrophone 17; Be provided with return sludge pump 8, reflux sludge tube a 8-1, residual sludge pump 9 and excess sludge pipe 9-1 at the bottom of the pond of rear end;
Wherein, return sludge pump 8 is communicated with the reflux sludge tube b 8-2 that regulates acidifying district 1 and the reflux sludge tube c 8-3 of inferior anaerobic zone 2 by reflux sludge tube a 8-1.
The inside of described sterilization and discharge region 4 is provided with disinfection apparatus 20, the rear portion is provided with drainage tray 6 and rising pipe 19.
Described combined stuffing II 14 is 2m highly, is arranged on the top of low speed submersible agitator 11.
This device is water inlet, intermittent drainage continuously, finishes water quality homogenizing, primary deposition, biological degradation, secondary sedimentation in a reactor.Aerobic, the inferior anaerobism of organism, the continuous alternate run of anaerobism in the sewage.
Embodiment 2
Treating processes with embodiment 1 described a kind of suitable town, township's concentrated waste disposal plant: sanitary sewage and a small amount of trade effluent are entered by water inlet pipe 18 and regulate acidifying district 1, in order to all closing of the adjusting of carrying out the water yield and water quality, to guarantee normally carrying out of biological treatment; In addition, also have the effect that excess sludge is subdued in acidifying, make sludge reduction, compare with similar technique, can reduce surplus sludge volume 50%.Regulate acidifying district's 1 water outlet and enter successively again that inferior anaerobic zone (HA) 2---aerobic reactor zone 3 is carried out a biological disposal upon, to remove organism and to carry out biological carbon and phosphorous removal, after the sterilization of the tail water after the biological treatment is up to standard, by sterilization and discharge region 4 dischargings.
Embodiment 3
Result: certain town's sewage treatment project is as example take south
1) amount of inlet water: 2000t/d
2) influent quality: PH=6 ~ 9, COD≤260mg/L, BOD
5≤ 130mg/L, SS≤220mg/L, NH
3-N≤25mg/L, TN≤40mg/L, TP≤3.0mg/L.
3) technological design and operating parameter
BOD sludge loading: 0.04 ~ 0.5kgBOD/(kgMLSSd);
The MLSS(sludge concentration): 2500 ~ 5000mg/L;
Oxygen requirement: 0.5 ~ 3.0 kgO
2/ kgBOD;
The DO(oxygen requirement)≤0.2mg/L (regulating acidifying district 1);
The DO(oxygen requirement)≤0.5mg/L (inferior anaerobic zone 2);
The DO(oxygen requirement)≤5mg/L (aerobic reactor zone 3);
Sludge age: 25 ~ 30d;
Single pond loop cycle 4.0h;
Sludge reflux mass ratio: 50% ~ 100%;
Hydraulic detention time: 11h
4) process rear effluent quality
PH=6~9，COD
cr≤60mg/L，BOD5≤20mg/L，SS≤10mg/L， NH
3-N≤8mg/L，TN≤15mg/L，TP≤1mg/L。
Claims (3)
1. a device that is fit to town, township's concentrated sewage disposal comprises sterilization and discharge region (4), it is characterized in that, is communicated with successively with discharge region (4) by adjusting acidifying district (1), inferior anaerobic zone (2), aerobic reactor zone (3) and sterilization to form;
The front end in described adjusting acidifying district (1) is provided with inlet flume (5) and water inlet pipe (18); Entrance is provided with mechanical grille (10); The bottom is provided with air stirring pipe (12), and the rear end is provided with combined stuffing I(13); Sidewall is provided with reflux sludge tube b(8-2);
Described inferior anaerobic zone (2) bottom along diagonal be provided with low speed submersible agitator (11), the middle part vertically is provided with combined stuffing II(14); Sidewall is provided with reflux sludge tube c(8-3);
The sidewall outside of described aerobic reactor zone (3) is provided with blast aeration system (7); The bottom is provided with aerator (15); The front end edge vertical direction is provided with liquidometer (16); The rear end is provided with strains hydrophone (17); Be provided with return sludge pump (8), reflux sludge tube a(8-1 at the bottom of the pond of rear end), residual sludge pump (9) and excess sludge pipe (9-1);
Wherein, return sludge pump (8) is by reflux sludge tube a(8-1) with the reflux sludge tube b(8-2 in adjusting acidifying district (1)) and the reflux sludge tube c(8-3 of inferior anaerobic zone (2)) be communicated with.
2. the device of described a kind of suitable town, township's concentrated sewage disposal according to claim 1 is characterized in that the inside of described sterilization and discharge region (4) is provided with disinfection apparatus (20), the rear portion is provided with drainage tray (6) and rising pipe (19).
3. the device of described a kind of suitable town, township's concentrated sewage disposal according to claim 1 is characterized in that described combined stuffing II(14) be 2m-3m highly, be arranged on the top of low speed submersible agitator (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220339124 CN202658056U (en) | 2012-07-13 | 2012-07-13 | Centralized sewage treatment device suitable for towns and townships |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220339124 CN202658056U (en) | 2012-07-13 | 2012-07-13 | Centralized sewage treatment device suitable for towns and townships |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202658056U true CN202658056U (en) | 2013-01-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220339124 Expired - Lifetime CN202658056U (en) | 2012-07-13 | 2012-07-13 | Centralized sewage treatment device suitable for towns and townships |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102701457A (en) * | 2012-07-13 | 2012-10-03 | 中国水电顾问集团中南勘测设计研究院 | Device and method suitable for centralized wastewater treatment of towns and villages |
| CN103304100A (en) * | 2013-06-26 | 2013-09-18 | 中国水电顾问集团中南勘测设计研究院 | High-activity bio-bed sewage treatment intensification system and sewage treatment method |
| CN103896452A (en) * | 2014-03-11 | 2014-07-02 | 沈尧坚 | Equipment and method for removing nitrogen out of domestic wastewater |
| CN105129987A (en) * | 2015-09-07 | 2015-12-09 | 无锡康霸环保设备有限公司 | Domestic sewage micro-power processing system based on microfiltration technology |
| CN110304791A (en) * | 2019-06-26 | 2019-10-08 | 中国科学院生态环境研究中心 | Sewage imitates self-purification system and method |
-
2012
- 2012-07-13 CN CN 201220339124 patent/CN202658056U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102701457A (en) * | 2012-07-13 | 2012-10-03 | 中国水电顾问集团中南勘测设计研究院 | Device and method suitable for centralized wastewater treatment of towns and villages |
| CN102701457B (en) * | 2012-07-13 | 2014-05-21 | 中国水电顾问集团中南勘测设计研究院 | Device and method suitable for centralized wastewater treatment of towns and villages |
| CN103304100A (en) * | 2013-06-26 | 2013-09-18 | 中国水电顾问集团中南勘测设计研究院 | High-activity bio-bed sewage treatment intensification system and sewage treatment method |
| CN103304100B (en) * | 2013-06-26 | 2014-04-30 | 中国水电顾问集团中南勘测设计研究院 | High-activity bio-bed sewage treatment intensification system and sewage treatment method |
| CN103896452A (en) * | 2014-03-11 | 2014-07-02 | 沈尧坚 | Equipment and method for removing nitrogen out of domestic wastewater |
| CN105129987A (en) * | 2015-09-07 | 2015-12-09 | 无锡康霸环保设备有限公司 | Domestic sewage micro-power processing system based on microfiltration technology |
| CN110304791A (en) * | 2019-06-26 | 2019-10-08 | 中国科学院生态环境研究中心 | Sewage imitates self-purification system and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: CHINA POWER GROUP ZHONGNAN INVESTIGATION DESIGN + Free format text: FORMER NAME: HYDROCHINA ZHONGNAN ENGINEERING CORPORATION Owner name: HYDROCHINA ZHONGNAN ENGINEERING CORPORATION Free format text: FORMER NAME: ZHONGNAN PROSPECTING DESIGN INST. CHINA HYDRAUELECTRIC CONSULTANT GROUP |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 410014 Hunan province Changsha Yuhua District, camphor Road No. 16 Patentee after: POWERCHINA ZHONGNAN ENGINEERING Corp.,Ltd. Patentee after: Hunan Chenzhou Guoshui Water Treatment Co.,Ltd. Address before: 410014 Hunan province Changsha Yuhua District, camphor Road No. 16 Patentee before: HYDROCHINA ZHONGNAN ENGINEERING Corp. Patentee before: Hunan Chenzhou Guoshui Water Treatment Co.,Ltd. |
|
| CP03 | Change of name, title or address |
Address after: 410014 Hunan province Changsha Yuhua District, camphor Road No. 16 Patentee after: HYDROCHINA ZHONGNAN ENGINEERING Corp. Patentee after: Hunan Chenzhou Guoshui Water Treatment Co.,Ltd. Address before: 410014, 9 camphor Road, Yuhua District, Hunan, Changsha Patentee before: Mid-South Hydroelectric Investigation & Design Institute of China Hydropower Engineering Consulting Group Patentee before: Hunan Chenzhou Guoshui Water Treatment Co.,Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20130109 |
|
| CX01 | Expiry of patent term |