CN104909512A - Immigration settlement town domestic sewage treatment system and method - Google Patents
Immigration settlement town domestic sewage treatment system and method Download PDFInfo
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Abstract
The invention discloses a system and a method for treating domestic sewage of a immigration arrangement town, which belong to the technical field of sewage treatment, and comprise a septic tank, a grid tank, a pre-aeration regulating tank and buried integrated equipment, wherein the septic tank, the grid tank, the pre-aeration regulating tank and the buried integrated equipment are sequentially connected; the buried integrated equipment comprises an anaerobic biological treatment tank, an aerobic biological treatment tank, a sludge digestion tank, a secondary sedimentation tank and a disinfection tank, wherein one end of the anaerobic biological treatment tank is communicated with a pre-aeration regulating tank through a sewage lift pump, and the other end of the anaerobic biological treatment tank is sequentially connected with the aerobic biological treatment tank, the secondary sedimentation tank and the disinfection tank. This technical scheme is through arranging anaerobism biological treatment pond, aerobe treatment pond, sedimentation tank, sludge digestion pond, disinfection pond equipartition inside integrated treatment facility, buries in the underground, subaerial only need build the fan room can, save and take up an area of, pollution-free to the ground environment, solve and move the people and settle district domestic sewage treatment problem, reach the effect of protection reservoir area quality of water.
Description
Technical field
The invention belongs to technical field of sewage, relate to immigration relocation in Hydraulic and Hydro-Power Engineering and form the sanitary sewage disposal of living area, especially relate to a kind of resettlement of affected residents town domestic sewage treatment system and method.
Background technology
Hydraulic and Hydro-Power Engineering floods soil, causes immigration relocation, needs to carry out Relocation and Settlement to immigrant, for the engineering that some immigrant's numbers are more, often needs to build some resettlement of affected residents market towns or concentrated settlement.Because large water conservancy hydroelectric engineering is generally within mountain area, resettlement of affected residents market town is often flooded more than water level in reservoir area and is selected nearby, if do not processed the sanitary sewage that it produces, will pollute reservoir area water quality, therefore must process immigrant's town domestic sewage, discharge after reaching respective standard.
To the process of resettlement of affected residents town domestic sewage, in prior art, there is kinds of schemes such as adopting septic tank, methane-generating pit, artificial swamp, integrated facility.Septic tank process sanitary sewage only can reach " integrated wastewater discharge standard " (GB8978-1996) grade III Standard, does not meet direct emission request; Area needed for artificial swamp is comparatively large, and some larger immigrant market town exists the problem of land used difficulty, is not suitable for artificial wet land treating method; Methane-generating pit operational management requires higher, and maintenance cost is also higher, is not suitable for life-time service; Adopt integrated facility can reach good effect, but there is its singularity in immigrant market town compared with cities and towns, sewage generation is little, drain time Relatively centralized, need intermittent type process, and inorganics is less, and often professional operational management is undermanned.
Summary of the invention
In order to solve the problem, the invention provides a kind of resettlement of affected residents town domestic sewage treatment system and method, can first discharge standard be reached, protection reservoir area water quality, simultaneously can intermittent type process sanitary sewage, the running maintenance personnel of needs are few, floor space is little.
The present invention is achieved by following technical solution.
A kind of resettlement of affected residents town domestic sewage treatment system, comprise septic tank, grating tank, preaeration equalizing tank and buried type integrated equipment, described septic tank, grating tank, preaeration equalizing tank, buried type integrated equipment connect successively; Described buried type integrated equipment comprises anaerobic biological treatment pond, Aerobic biological process pond, sludge digestion tank, second pond and sterilization pool, one end, described anaerobic biological treatment pond is communicated with preaeration equalizing tank by sewage pump, and the other end connects aerobic biological treatment tank, second pond and sterilization pool successively.
Further, described sludge digestion tank is communicated with anaerobic biological treatment pond, and is connected with second pond.
Further, described Aerobic biological process pond is communicated with anaerobic biological treatment pond and forms loop.
Further, described buried type integrated equipment is also provided with fan house outward, and is communicated with preaeration equalizing tank, anaerobic biological treatment pond, Aerobic biological process pond by aeration tube simultaneously.
A kind of resettlement of affected residents town domestic sewage treatment process, comprises the steps:
A. pre-treatment: sanitary sewage is collected through sewage network, imports septic tank, stops 12h ~ 24h at normal temperatures;
B. detect: sanitary sewage is by after septic tank pre-treatment, detect the sewage at septic tank relief outlet place, see and whether reach " integrated wastewater discharge standard " (GB8978-1996) grade III Standard, if reach above-mentioned standard, then direct by discharge of pipes to grating tank; If do not reach this standard above-mentioned, then extend the residence time 6h ~ 10h of sewage in septic tank, until sewage reaches above-mentioned standard, then by discharge of pipes to grating tank;
C. preaeration: sanitary sewage, by after grating tank, enters preaeration equalizing tank by pipeline, and 8 ~ 10h is stopped in preaeration equalizing tank; , start fan house work therebetween, the blower fan in fan house to be ventilated oxygen supply by aeration tube in preaeration equalizing tank;
D. secondary treatment: by sewage pump, by the sewage transport in preaeration equalizing tank in buried type integrated equipment; Control drainage flow speed, sewage slowly flows through anaerobic biological treatment pond, Aerobic biological process pond, second pond successively, enter sterilization pool, meanwhile, to be ventilated in anaerobic biological treatment pond, Aerobic biological process pond oxygen supply by blower fan in fan house simultaneously, the mud precipitated in anaerobic biological treatment pond, Aerobic biological process pond, second pond enters in sludge digestion tank, and again participates in reaction by the supernatant liquor obtained after precipitation in the nitrification liquid produced in Aerobic biological process pond and sludge digestion tank importing anaerobic biological treatment pond;
E. secondary detection and discharge: circulate above technological process, sewage enters disinfection after sterilization pool, secondary detection is carried out to the sewage in sterilization pool exit, reach the backward outer discharge of " integrated wastewater discharge standard " (GB8978-1996) first discharge standard, if do not reach this standard, then extend the residence time of sewage in sterilization pool, and every 2 hours detect once, until its up to standard after discharge again.
Further, in described secondary treatment step, while mud enters sludge digestion tank from second pond, air lift is carried out to the sewage in second pond, to reduce the methylamine content in sewage.
Further, described anaerobic biological treatment pond and the plastic honeycomb inclined tube filler being provided with vertical placement in aerobic biological treatment tank, this filler is changed once for 2 ~ 3 years.
The invention has the beneficial effects as follows:
A kind of resettlement of affected residents town domestic sewage treatment system of the present invention and method; by anaerobic biological treatment pond, Aerobic biological process pond, settling tank, sludge digestion tank, sterilization pool are arranged in close-coupled processing facility inside; be embedded in underground; only need on the ground to build Ventilator Room; save and take up an area; to ground environmental nonpollution, solve Zone of Arranging Immigration sanitary sewage disposal problem, protection reservoir area water quality.Working process both controlled to control the nodes such as the time of sewage disposal to pipeline valve by artificial, implemented to control again by automation system, had laid technical foundation for realizing unmanned control completely in the future; And for the less resettlement of affected residents market town of population size or concentrated settlement, native system can also periodic running, to realize its scientific and effective utilization, extend the bulk life time of system.
Accompanying drawing explanation
Fig. 1 is the structural representation of resettlement of affected residents town domestic sewage treatment system;
Fig. 2 is the process flow sheet of resettlement of affected residents town domestic sewage process.
In figure: 1-septic tank, 2-grating tank, 3-preaeration equalizing tank, 4-aeration tube, 5-buried type integrated equipment, 51-anaerobic biological treatment pond, 52-Aerobic biological process pond, 53-second pond, 54-sludge digestion tank, 55-sterilization pool, 6-fan house, 7-manhole.
Embodiment
Technical scheme of the present invention is further described below in conjunction with accompanying drawing, but described in claimed scope is not limited to.
As shown in Figure 1 and Figure 2, a kind of resettlement of affected residents town domestic sewage treatment system of the present invention, comprise septic tank 1, grating tank 2, preaeration equalizing tank 3 and buried type integrated equipment 5, described septic tank 1, grating tank 2, preaeration equalizing tank 3, buried type integrated equipment 5 connect successively; Described buried type integrated equipment 5 comprises anaerobic biological treatment pond 51, Aerobic biological process pond 52, sludge digestion tank 54, second pond 53 and sterilization pool 55, one end, described anaerobic biological treatment pond 51 is communicated with preaeration equalizing tank 2 by sewage pump, and the other end connects aerobic biological treatment tank 52, second pond 53 and sterilization pool 55 successively; Described sludge digestion tank 54 is communicated with anaerobic biological treatment pond 51, and is connected with second pond 53; Described Aerobic biological process pond 52 is communicated with anaerobic biological treatment pond 51 and forms loop; Described anaerobic biological treatment pond 51 and the plastic honeycomb inclined tube filler being provided with vertical placement in aerobic biological treatment tank 52, for ensureing filter effect, this filler is changed once for 2 ~ 3 years.
Described buried type integrated equipment 5 is outer is also provided with fan house 6, and is communicated with preaeration equalizing tank 3, anaerobic biological treatment pond 51, Aerobic biological process pond 52 by aeration tube 4 simultaneously.
Described preaeration equalizing tank 3 top is provided with manhole 7, so that carry out regular maintenance and cleaning in pond.
A kind of resettlement of affected residents town domestic sewage treatment process, comprises the steps:
A. pre-treatment: sanitary sewage is collected through sewage network, imports septic tank 1, stops 12h ~ 24h at normal temperatures;
B. detect: sanitary sewage is by after septic tank 1 pre-treatment, detect the sewage at septic tank 1 relief outlet place, see and whether reach " integrated wastewater discharge standard " (GB8978-1996) grade III Standard, if reach above-mentioned standard, then direct by discharge of pipes to grating tank 2; If do not reach this standard above-mentioned, then extend the residence time 6h ~ 10h of sewage in septic tank, until sewage reaches above-mentioned standard, then by discharge of pipes to grating tank 2;
C. preaeration: sanitary sewage, by after grating tank 2, enters preaeration equalizing tank 3 by pipeline, and 8 ~ 10h is stopped in preaeration equalizing tank 3; Therebetween, start fan house 6 and work, the blower fan in fan house 6 to be ventilated oxygen supply by aeration tube 4 in preaeration equalizing tank 3;
D. secondary treatment: by sewage pump, by the sewage transport in preaeration equalizing tank 3 in buried type integrated equipment 5, control drainage flow speed, sewage slowly flows through anaerobic biological treatment pond 51 successively, Aerobic biological process pond 52, second pond 53, enter sterilization pool 55, meanwhile, by the blower fan in fan house 6 simultaneously to anaerobic biological treatment pond 51, to ventilate in Aerobic biological process pond 52 oxygen supply, anaerobic biological treatment pond 51, Aerobic biological process pond 52, the mud precipitated in second pond 53 enters in sludge digestion tank 54, and again participate in reaction by the supernatant liquor obtained after precipitation in the nitrification liquid produced in Aerobic biological process pond 52 and sludge digestion tank 54 importing anaerobic biological treatment pond 51, while mud enters sludge digestion tank 54 from second pond 53, air lift is carried out to the sewage in second pond 53, to reduce the methylamine content in sewage.
E. secondary detection and discharge: circulate above technological process, sewage enters the rear disinfection of sterilization pool 55, secondary detection is carried out to the sewage in sterilization pool 55 exit, reach the backward outer discharge of " integrated wastewater discharge standard " (GB8978-1996) first discharge standard, if do not reach this standard, then extend the residence time of sewage in sterilization pool 55, and every 2 hours detect once, until its up to standard after discharge again.
Embodiment
Pengshui Hydropower Station resettlement of affected residents market town all implements native system, comprises septic tank 1, grating tank 2, preaeration equalizing tank 3 and buried type integrated equipment 5, and described septic tank 1, grating tank 2, preaeration equalizing tank 3, buried type integrated equipment 5 connect successively; Described buried type integrated equipment 5 comprises anaerobic biological treatment pond 51, Aerobic biological process pond 52, sludge digestion tank 54, second pond 53 and sterilization pool 55, one end, described anaerobic biological treatment pond 51 is communicated with preaeration equalizing tank 2 by sewage pump, and the other end connects aerobic biological treatment tank 52, second pond 53 and sterilization pool 55 successively; Described sludge digestion tank 54 is communicated with anaerobic biological treatment pond 51, and is connected with second pond 53; Described Aerobic biological process pond 52 is communicated with anaerobic biological treatment pond 51 and forms loop.
Described buried type integrated equipment 5 is outer is also provided with fan house 6, and is communicated with preaeration equalizing tank 3, anaerobic biological treatment pond 51, Aerobic biological process pond 52 by aeration tube 4 simultaneously.
A kind of resettlement of affected residents town domestic sewage treatment process, comprises the steps:
A. pre-treatment: sanitary sewage is collected through sewage network, import septic tank 1, stop 12h ~ 24h at normal temperatures, the residence time is determined according to outside temperature, outside temperature height then the residence time short, the outside temperature low then residence time is long;
B. detect: sanitary sewage is by after septic tank 1 pre-treatment, detect the sewage at septic tank 1 relief outlet place, see and whether reach " integrated wastewater discharge standard " (GB8978-1996) grade III Standard, if reach above-mentioned standard, then direct by discharge of pipes to grating tank 2; If do not reach this standard above-mentioned, then extend the residence time 6h ~ 10h of sewage in septic tank, and every two hours detect once, until sewage reaches above-mentioned standard, then by discharge of pipes to grating tank 2;
C. preaeration: sanitary sewage, by after grating tank 2, enters preaeration equalizing tank 3 by pipeline, and stop 8 ~ 10h in preaeration equalizing tank 3, the residence time is determined according to temperature, temperature height then the residence time short, the temperature low then residence time is long; Therebetween, start fan house 6 and work, the blower fan in fan house 6 to be ventilated oxygen supply by aeration tube 4 in preaeration equalizing tank 3;
D. secondary treatment: by sewage pump, by the sewage transport in preaeration equalizing tank 3 in buried type integrated equipment 5, control drainage flow speed, sewage slowly flows through anaerobic biological treatment pond 51 successively, Aerobic biological process pond 52, second pond 53, enter sterilization pool 55, meanwhile, by the blower fan in fan house 6 simultaneously to anaerobic biological treatment pond 51, to ventilate in Aerobic biological process pond 52 oxygen supply, anaerobic biological treatment pond 51, Aerobic biological process pond 52, the mud precipitated in second pond 53 enters in sludge digestion tank 54, and again participate in reaction by the supernatant liquor obtained after precipitation in the nitrification liquid produced in Aerobic biological process pond 52 and sludge digestion tank 54 importing anaerobic biological treatment pond 51, while mud enters sludge digestion tank 54 from second pond 53, air lift is carried out to the sewage in second pond 53, to reduce the methylamine content in sewage,
E. secondary detection and discharge: circulate above technological process, after sewage enters sterilization pool 55, add NaClO or CaClO in proportion, to sewage disinfection, secondary detection is carried out to the water outlet in sterilization pool 55 exit, reach the backward outer discharge of " integrated wastewater discharge standard " (GB8978-1996) first discharge standard, if do not reach this standard, then extend the stop of sewage in sterilization pool 55 and at least 2 hours reaction times, and every 2 hours detect once, until its up to standard after discharge again.
" urban wastewater treatment firm pollutant emission standard " one-level B emission standard can be reached through monitoring effluent quality.The technical program can be applicable to the sanitary sewage disposal in existing villages and small towns simultaneously.
Claims (7)
1. a resettlement of affected residents town domestic sewage treatment system, comprise septic tank (1), grating tank (2), preaeration equalizing tank (3) and buried type integrated equipment (5), described septic tank (1), grating tank (2), preaeration equalizing tank (3), buried type integrated equipment (5) connect successively; It is characterized in that: described buried type integrated equipment (5) comprises anaerobic biological treatment pond (51), Aerobic biological process pond (52), sludge digestion tank (54), second pond (53) and sterilization pool (55), described anaerobic biological treatment pond (51) one end is communicated with preaeration equalizing tank (2) by sewage pump, and the other end connects aerobic biological treatment tank (52), second pond (53) and sterilization pool (55) successively.
2. a kind of resettlement of affected residents town domestic sewage treatment system according to claim 1, is characterized in that: described sludge digestion tank (54) is communicated with anaerobic biological treatment pond (51), and is connected with second pond (53).
3. a kind of resettlement of affected residents town domestic sewage treatment system according to claim 1, is characterized in that: described Aerobic biological process pond (52) is communicated with anaerobic biological treatment pond (51) and forms loop.
4. a kind of resettlement of affected residents town domestic sewage treatment system according to claim 1, it is characterized in that: described buried type integrated equipment (5) is also provided with fan house (6) outward, and be communicated with preaeration equalizing tank (3), anaerobic biological treatment pond (51), Aerobic biological process pond (52) by aeration tube (4) simultaneously.
5. a resettlement of affected residents town domestic sewage treatment process, is characterized in that:
Comprise the steps:
A. pre-treatment: sanitary sewage is collected through sewage network, imports septic tank (1), stops 12h ~ 24h at normal temperatures;
B. detect: sanitary sewage is by after septic tank (1) pre-treatment, detect the sewage at septic tank (1) relief outlet place, see and whether reach " integrated wastewater discharge standard " (GB8978-1996) grade III Standard, if reach above-mentioned standard, then direct by discharge of pipes to grating tank (2); If do not reach this standard above-mentioned, then extend the residence time 6h ~ 10h of sewage in septic tank, until sewage reaches above-mentioned standard, then by discharge of pipes to grating tank (2);
C. preaeration: sanitary sewage, by after grating tank (2), enters preaeration equalizing tank (3) by pipeline, and 8 ~ 10h is stopped in preaeration equalizing tank (3); , start fan house (6) work therebetween, the blower fan in fan house (6) passes through aeration tube (4) to ventilation oxygen supply in preaeration equalizing tank (3);
D. secondary treatment: by sewage pump, by the sewage transport in preaeration equalizing tank (3) in buried type integrated equipment (5), control drainage flow speed, sewage slowly flows through anaerobic biological treatment pond (51) successively, Aerobic biological process pond (52), second pond (53), enter sterilization pool (55), meanwhile, by the blower fan in fan house (6) simultaneously to anaerobic biological treatment pond (51), ventilation oxygen supply in Aerobic biological process pond (52), anaerobic biological treatment pond (51), Aerobic biological process pond (52), the mud precipitated in second pond (53) enters in sludge digestion tank (54), and again participate in reaction by the supernatant liquor obtained after precipitation in the nitrification liquid produced in Aerobic biological process pond (52) and sludge digestion tank (54) importing anaerobic biological treatment pond (51),
E. secondary detection and discharge: circulate above technological process, sewage enters sterilization pool (55) disinfection afterwards, secondary detection is carried out to the sewage in sterilization pool (55) exit, reach the backward outer discharge of " integrated wastewater discharge standard " (GB8978-1996) first discharge standard, if do not reach this standard, then extend the residence time of sewage in sterilization pool (55), and every 2 hours detect once, until its up to standard after discharge again.
6. a kind of resettlement of affected residents town domestic sewage treatment process according to claim 5, it is characterized in that: in described secondary treatment step, while mud enters sludge digestion tank (54) from second pond (53), air lift is carried out to the sewage in second pond (53), to reduce the methylamine content in sewage.
7. a kind of resettlement of affected residents town domestic sewage treatment system according to claim 1, it is characterized in that: described anaerobic biological treatment pond (51) and the plastic honeycomb inclined tube filler being provided with vertical placement in aerobic biological treatment tank (52), this filler is changed once for 2 ~ 3 years.
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Cited By (8)
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| CN106365379A (en) * | 2016-08-31 | 2017-02-01 | 南阳市宣溢环保设备股份有限公司 | Stacking sewage treatment equipment |
| CN107055971A (en) * | 2017-06-02 | 2017-08-18 | 张宝爽 | A kind of recycling processing method of city domestic sewage |
| CN108147623A (en) * | 2018-01-19 | 2018-06-12 | 晓清环保科技股份有限公司 | A kind of sewage disposal device and sewage disposal system |
| CN108675572A (en) * | 2018-07-26 | 2018-10-19 | 南通朝旭环保科技有限公司 | A kind of chemical engineering sewage integrated treatment unit |
| CN109437479A (en) * | 2018-11-20 | 2019-03-08 | 南京博知源环境科技有限公司 | A kind of processing device system that domestic sewage in rural areas is integrated and method |
| CN112239304A (en) * | 2019-07-17 | 2021-01-19 | 清远市德晟嘉恒能源环保工程有限责任公司 | Ecological sewage treatment system of community |
| CN112979083A (en) * | 2021-03-01 | 2021-06-18 | 湖北高禹环境技术有限公司 | Buried integrated equipment |
| CN113060908A (en) * | 2021-03-30 | 2021-07-02 | 温州嘉华环保设备有限公司 | Glass fiber reinforced plastic integrated micro-power biochemical treatment system and treatment process thereof |
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| CN112979083A (en) * | 2021-03-01 | 2021-06-18 | 湖北高禹环境技术有限公司 | Buried integrated equipment |
| CN113060908A (en) * | 2021-03-30 | 2021-07-02 | 温州嘉华环保设备有限公司 | Glass fiber reinforced plastic integrated micro-power biochemical treatment system and treatment process thereof |
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