CN103992004A - Rural sewage advanced treatment and biochemical filtration integration device and running method thereof - Google Patents
Rural sewage advanced treatment and biochemical filtration integration device and running method thereof Download PDFInfo
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- CN103992004A CN103992004A CN201410168224.3A CN201410168224A CN103992004A CN 103992004 A CN103992004 A CN 103992004A CN 201410168224 A CN201410168224 A CN 201410168224A CN 103992004 A CN103992004 A CN 103992004A
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Abstract
The invention discloses a rural sewage advanced treatment and biochemical filtration integration device and a running method thereof. The device is provided with a sewage equalizing tank, a sewage pretreatment tank, a biochemical pool, a biochemical filter tank, a discharged water tank and an equipment room, the sewage equalizing tank is provided with a water discharge pump and is connected with the sewage pretreatment tank and the biochemical tank; the biochemical tank is provided with an overflow hole, and is connected with the biochemical filter tank; the bottom of the biochemical tank is provided with a sludge discharge pump, the bottom of each of the biochemical tank and the biochemical filter tank is provided with an aerating pipeline connected with a blower and an aerating head, and a filter membrane and a back flush pump are arranged in the biochemical filter tank; and the device is also provided with a control board connected with the above pumps and the fan. The running method comprises the steps of water feeding, aeration of the biochemical tank, precipitation of the biochemical tank, feeding of water to the biochemical tank and aeration of the filter tank, aeration of the biochemical tank, precipitation of the biochemical tank, sludge discharge of the biochemical tank, and back flushing of the biochemical filter tank. The device is suitable for rural sewage treatment, has the advantages of simple operation, unmanned operation and low cost, and realizes advanced nitrogen and phosphorus removal of the rural sewage.
Description
Technical field
The present invention relates to a kind of sewage disposal technology, the specifically integration biological treatment device of country sewage and technique, especially can realize integrated apparatus and the operation method of sewage deep denitrogenation dephosphorizing, be applicable to not access in rural sewage treatment and city the point source low discharge sewage disposal of pipe network.
Background technology
Rural area, the whole nation produces approximately more than 80 hundred million tons of sanitary sewages every year, and 96% village does not have discharge conduit and Sewage treatment systems.Sanitary sewage arbitrarily discharges, severe contamination the ecotope in rural area, directly threaten the Economic development in the vast farmers masses' healthy and rural area.On the one hand, undressed sanitary sewage flows automatically in the surface water bodies such as river, lake and the pond of hypsography low-lying, all kinds of water sources of severe contamination; On the other hand, sanitary sewage is also source, the generation that easily causes some areas transmissible disease, endemy and zoonosis and popular that disease propagation spreads.The tap water popularity rate in current national rural area only has 34% left and right, also has peasant more than 300,000,000 to have safe drinking water problem.The unprocessed direct discharge of the situation that waterhead area water quality is low and domestic sewage in rural areas by using has direct cause-effect relationship.
Rural sewage treatment pattern mainly contains three kinds: (1) village focuses on pattern, the sewage centralized collection producing by all resident families, and sewage treatment facility is built in unification, conventionally adopts the process forms such as biological and ecologic assemblage processing; (2) dispersion treatment pattern, collects by sewage subregion, and individual curing adopts middle-size and small-size sewage disposal device or the form such as processing naturally conventionally; (3) including urban drainage pipe network in, is mainly the rural area of suburb nearby, cities and towns.The differences such as Economic development, standard of living and the mode of Chinese countryside, weather condition, topographical condition are very large, are difficult to unifiedly build sewage treatment facility or be incorporated to urban pipe network, and the middle-size and small-size sewage disposal device of suitable employing is realized Rural Waste Water dispersion treatment.Therefore, propose the biochemistry filtered integrated apparatus of a kind of country sewage advanced treatment and operation method and be necessary, have important realistic meaning.
Summary of the invention
Of the present invention is in order to solve the problems of the technologies described above, the biochemistry filtered integrated apparatus of a kind of country sewage advanced treatment and operation method are proposed, these apparatus and method are to investigate feature and the existing problems thereof of country sewage, through long-term exploratory development, by changing the operation scheme of traditional biochemistry pool, the organism making full use of in raw waste water carries out denitrification as denitrifying carbon source, and combines with biochemistry filtered.Device and technique that the advanced nitrogen phosphorous removal biochemical of a kind of high-efficiency low energy consumption of developing filters.Floor space is little, and technique is reliable and stable flexibly, easy and simple to handle, can unmanned, and operation and management expense is low, can reach the object of country sewage advanced nitrogen dephosphorization.
Technical scheme of the present invention is:
The biochemistry filtered integrated apparatus of country sewage advanced treatment: it is characterized in that: be provided with sewage equalizing tank, biochemistry pool, biochemistry filtered pond, outlet sump and equipment room, between described sewage equalizing tank and biochemistry pool, be provided with sewage pretreatment tank, sewage equalizing tank is provided with outlet conduit and goes out water pump and is communicated with sewage pretreatment tank top, and sewage pretreatment tank bottom is provided with outlet conduit and is communicated with biochemistry pool bottom; Biochemistry pool upper storage reservoir mouth limit is provided with Chi Shui and flows into the overflow port in biochemistry filtered pond; Biochemistry pool bottom is provided with sludge pump and spoil disposal pipeline; Biochemistry pool and bottom, biochemistry filtered pond are provided with the aerated conduit, aeration valve and the aeration head that are communicated with gas blower, be provided with filter membrane, and be provided with backwashing pump in biochemistry filtered pond; Biological filter is communicated with outlet sump bottom; Described go out the switchboard of water pump, sludge pump, gas blower, backwashing pump and control opening and closing carry out control linkage; Described go out water pump, sludge pump, gas blower, backwashing pump and switchboard be all arranged in equipment room; In sewage equalizing tank, be provided with the liquidometer of controlling wastewater level; In sewage pretreatment tank, be provided with dirt filtering device; Described liquidometer and switchboard carry out control linkage.
Described sewage equalizing tank, biochemistry pool, biochemistry filtered pond and outlet sump adopt complete or semi-underground integrated steel structure or steel and concrete structure modular design.
The operation method of the above-mentioned biochemistry filtered integrated apparatus of country sewage advanced treatment, is characterized in that being provided with following steps:
(1) water inlet: sewage equalizing tank is collected country sewage, in the time that sewage in sewage equalizing tank reaches start water level, open intake pump, intake pump is sent into sewage pretreatment tank by sewage from sewage equalizing tank, in sewage pretreatment tank, sewage carries out pre-treatment through dirt filtering device, then enters biochemistry pool from bottom, after treating that biochemistry pool median water level has expired, stop, into water, entering next step;
(2) biochemistry pool aeration: open biochemistry pool aeration valve, start gas blower, regulate aeration rate (10～12) Qm
3/ h, wherein Q is the cubic meter number of intake pump flow per hour, aeration is carried out in biological filter, setting aeration time is 4 hours, the pressurized air being provided by gas blower passes through aeration head, with the form of micro-bubble, to wastewater efficient oxygen supply in pond, in biochemistry pool, aerobic removal organism, is then oxidized to nitric nitrogen by ammonia nitrogen in sewage; After aeration time reaches, stop aeration, enter next step;
(3) biochemistry pool precipitation: biochemistry pool stops after aeration, precipitates idle; Now inlet valve, aeration valve, back flush valves and spoil disposal valve are all closed; Precipitation idle mixing time is 1.5-2 hour; Then enter next step;
(4) the biochemistry pool biochemistry filtered pond aeration of intaking: open intake pump, pending sewage is injected to biochemistry pool after sewage pretreatment tank, flooding time is 2V/5Q hour, the completely rear overflow of water in biochemistry pool enters into biochemistry filtered pond, open aeration valve and gas blower in biochemistry filtered pond, aeration rate is constant in (10～12) Q m
3/ h, sets aeration time 2V/5Q hour, the molten long-pending cubic meter number that in formula, V is biochemistry pool, and Q is the cubic meter number of intake pump flow per hour, as follows; After time arrives, close intake pump and biochemistry filtered pond aeration valve, then enter next step;
(5) biochemistry pool aeration: open biochemistry pool aeration valve, aeration rate is constant in (10～12) Q m
3/ h, setting aeration time is 2～4 hours, closes biochemistry pool aeration valve and gas blower.Then system enters next step:
(6) biochemistry pool precipitation: biochemistry pool precipitates, and then sedimentation time 1-2 hour enters next step:
(7) biochemistry pool spoil disposal: open sludge pump, set spoil disposal time 3-5 minute, or discharge the 10%-20% of total mud amount; After spoil disposal finishes, close sludge pump, then enter next step:
(8) biochemistry filtered pond back flushing: back flushing is carried out in biochemistry filtered pond, gas punching is undertaken by described gas blower, and water punching is undertaken by backwashing pump, and the mixed punching of air water is carried out by gas blower and backwashing pump simultaneously; 5 minutes (12～16L)/m of gas punching
2s, 5 minutes (3～5L)/m of the mixed punching of air water
2s, 10 minutes (4～6L)/m of water punching
2s, after back flushing completes, returns to step (4).
The biochemistry filtered integrated apparatus of country sewage advanced treatment of the present invention and operation method, with compared with existing Rural Waste Water treatment technology, have following advantages:
(1) can realize degree of depth synchronous denitrification dephosphorizing, anaerobism, anoxic, aerobic alternating state provide favourable condition for realizing synchronous denitrification dephosphorizing, and the combination in biochemistry pool and biochemistry filtered pond more can advanced nitrogen dephosphorization.
(2), due to synchronously intake/draining of biochemistry pool, aeration, precipitation are intermittently carried out.Adopt complete/semi-underground integrated steel structure or steel and concrete structure modular design, noiselessness, stink etc. affects the problem of surrounding environment, has reduced floor space and the initial cost of whole technique, has also shortened the cycle of operation simultaneously.
(3) owing to having utilized fully the organic carbon source in raw waste water, thereby save the expense of outer throwing carbon source, simultaneously because the organism in sewage is used as denitrifying carbon source, this has just saved the needed oxygen of these organism of oxidation, both save the energy consumption of gas blower, also alleviated the impact of Organic Matters on Nitrification.
(4) be provided with switchboard and water pump and gas blower and carry out control linkage, can adopt manual control and automatically control the control method combining, also can automatically control, make operation more simple, manage more conveniently, can realize unmanned.
(5) the present invention can be widely used in Rural Waste Water or city point source low discharge sewage disposal, is specially adapted to dispersion treatment pattern as middle-size and small-size sewage disposal and the Recycling Project in hotel, tourist resort, new rural area etc.
Brief description of the drawings
Fig. 1 is structural representation of the present invention.
The present invention is not subject to the restriction of this accompanying drawing, is not changing under the prerequisite of basic structure, and approximate change still belongs to the protection domain of this patent.
Embodiment
Below in conjunction with drawings and Examples, the present invention is explained:
Embodiment 1: referring to accompanying drawing, the biochemistry filtered integrated apparatus of country sewage advanced treatment: be provided with sewage equalizing tank 1, biochemistry pool 4, biochemistry filtered pond 8, outlet sump 14 and equipment room 13, between described sewage equalizing tank and biochemistry pool, be provided with sewage pretreatment tank 3, sewage equalizing tank is provided with outlet conduit and goes out water pump 2 and is communicated with sewage pretreatment tank top, and sewage pretreatment tank bottom is provided with outlet conduit and is communicated with biochemistry pool bottom; Biochemistry pool upper storage reservoir mouth limit is provided with Chi Shui and flows into the overflow port in biochemistry filtered pond; Biochemistry pool bottom is provided with sludge pump 5 and spoil disposal pipeline; Biochemistry pool and bottom, biochemistry filtered pond are provided with the aerated conduit, aeration valve and the aeration head 6,7 that are communicated with gas blower 10, be provided with filter membrane 9, and be provided with backwashing pump 11 in biochemistry filtered pond; Biological filter is communicated with outlet sump bottom; Described go out the switchboard of water pump, sludge pump, gas blower, backwashing pump and control opening and closing carry out control linkage; Described go out water pump, sludge pump, gas blower, backwashing pump and switchboard be all arranged in equipment room; In sewage equalizing tank, be provided with the liquidometer of controlling wastewater level; In sewage pretreatment tank, be provided with dirt filtering device; Described liquidometer and switchboard carry out control linkage.Described sewage equalizing tank, biochemistry pool, biochemistry filtered pond and outlet sump adopt complete or semi-underground integrated steel structure or steel and concrete structure modular design.
Embodiment 2: the operation method of the biochemistry filtered integrated apparatus of country sewage advanced treatment, using sewage work of Beijing real life sewage as subjects: pH=6.5～7.8, COD=260～370mg/L, TN=50～65mg/L, TP=3～5mg/L.Selected biochemistry pool useful volume 14m
3, biochemistry filtered pond useful volume 4m
3.The water inlet flow per hour of intake pump is: 4m
3/ h, operation method carries out according to the following steps:
(1) water inlet: sewage equalizing tank is collected country sewage, in the time that sewage in sewage equalizing tank reaches start water level, open intake pump, intake pump is sent into sewage pretreatment tank by sewage from sewage equalizing tank, and in sewage pretreatment tank, sewage carries out pre-treatment through dirt filtering device, then enters biochemistry pool from bottom, intake 1 hour, after biochemistry pool median water level has expired, stop, into water, entering next step;
(2) biochemistry pool aeration: open biochemistry pool aeration valve, start gas blower, regulate aeration rate 40m
3/ h, carries out aeration to biological filter, and setting aeration time is 4 hours, the pressurized air being provided by gas blower passes through aeration head, with the form of micro-bubble, to wastewater efficient oxygen supply in pond, in biochemistry pool, aerobic removal organism, is then oxidized to nitric nitrogen by ammonia nitrogen in sewage; After aeration time reaches, stop aeration, enter next step;
(3) biochemistry pool precipitation: biochemistry pool stops after aeration, precipitates idle; Now inlet valve, aeration valve, back flush valves and spoil disposal valve are all closed; Precipitating idle mixing time is 2 hours; Then enter next step;
(4) the biochemistry pool biochemistry filtered pond aeration of intaking: open intake pump, pending sewage is injected to biochemistry pool after sewage pretreatment tank, flooding time is 1.4 hours, the completely rear overflow of water in biochemistry pool enters into biochemistry filtered pond, open aeration valve and gas blower in biochemistry filtered pond, aeration rate is constant in 40m
3/ h, sets aeration time 1.4 hours, after the time arrives, closes intake pump and biochemistry filtered pond aeration valve, then enters next step;
(5) biochemistry pool aeration: open biochemistry pool aeration valve, aeration rate is constant in 40m
3/ h, setting aeration time is 3 hours, closes biochemistry pool aeration valve and gas blower.Then system enters next step:
(6) biochemistry pool precipitation: biochemistry pool precipitates, and sedimentation time 1.5 hours, then enters next step:
(7) biochemistry pool spoil disposal: open sludge pump, set 3 minutes spoil disposal time, the spoil disposal time is closed sludge pump after arriving, and then enters next step:
(8) biochemistry filtered pond back flushing: back flushing is carried out in biochemistry filtered pond, gas punching is undertaken by described gas blower, and water punching is undertaken by backwashing pump, and the mixed punching of air water is carried out by gas blower and backwashing pump simultaneously; 5 minutes 14L/m of gas punching
2s, 5 minutes 4L/m of the mixed punching of air water
2s, 10 minutes 5L/m of water punching
2s, after back flushing completes, returns to step (4).
Through trying out one month, in the final outflow water of embodiment 2, COD is less than 50mg/L, total nitrogen is less than 15mg/L, and total phosphorus is less than 1mg/L, reaches the desired total nitrogen of national grade one discharge standard and total phosphorus concentration.
Claims (3)
1. the biochemistry filtered integrated apparatus of country sewage advanced treatment: it is characterized in that: be provided with sewage equalizing tank (1), biochemistry pool (4), biochemistry filtered pond (8), outlet sump (14) and equipment room (13), between described sewage equalizing tank and biochemistry pool, be provided with sewage pretreatment tank (3), sewage equalizing tank is provided with outlet conduit and goes out water pump (2) and is communicated with sewage pretreatment tank top, and sewage pretreatment tank bottom is provided with outlet conduit and is communicated with biochemistry pool bottom; Biochemistry pool upper storage reservoir mouth limit is provided with Chi Shui and flows into the overflow port in biochemistry filtered pond; Biochemistry pool bottom is provided with sludge pump (5) and spoil disposal pipeline; Biochemistry pool and bottom, biochemistry filtered pond are provided with aerated conduit, aeration valve and the aeration head (6,7) that are communicated with gas blower (10), be provided with filter membrane (9), and be provided with backwashing pump (11) in biochemistry filtered pond; Biological filter is communicated with outlet sump bottom; Described go out the switchboard of water pump, sludge pump, gas blower, backwashing pump and control opening and closing carry out control linkage; Described go out water pump, sludge pump, gas blower, backwashing pump and switchboard be all arranged in equipment room; In sewage equalizing tank, be provided with the liquidometer of controlling wastewater level; In sewage pretreatment tank, be provided with dirt filtering device; Described liquidometer and switchboard carry out control linkage.
2. the biochemistry filtered integrated apparatus of country sewage advanced treatment according to claim 1, is characterized in that: described sewage equalizing tank, biochemistry pool, biochemistry filtered pond and outlet sump adopt complete or semi-underground integrated steel structure or steel and concrete structure modular design.
3. the operation method of the biochemistry filtered integrated apparatus of country sewage advanced treatment according to claim 1 and 2, is characterized in that being provided with following steps:
(1) water inlet: sewage equalizing tank is collected country sewage, in the time that sewage in sewage equalizing tank reaches start water level, open intake pump, intake pump is sent into sewage pretreatment tank by sewage from sewage equalizing tank, in sewage pretreatment tank, sewage carries out pre-treatment through dirt filtering device, then enters biochemistry pool from bottom, after treating that biochemistry pool median water level has expired, stop, into water, entering next step;
(2) biochemistry pool aeration: open biochemistry pool aeration valve, start gas blower, regulate aeration rate (10～12) Qm
3/ h, wherein Q is the cubic meter number of intake pump flow per hour, aeration is carried out in biological filter, setting aeration time is 4 hours, the pressurized air being provided by gas blower passes through aeration head, with the form of micro-bubble, to wastewater efficient oxygen supply in pond, in biochemistry pool, aerobic removal organism, is then oxidized to nitric nitrogen by ammonia nitrogen in sewage; After aeration time reaches, stop aeration, enter next step;
(3) biochemistry pool precipitation: biochemistry pool stops after aeration, precipitates idle; Now inlet valve, aeration valve, back flush valves and spoil disposal valve are all closed; Precipitation idle mixing time is 1.5-2 hour; Then enter next step;
(4) the biochemistry pool biochemistry filtered pond aeration of intaking: open intake pump, pending sewage is injected to biochemistry pool after sewage pretreatment tank, flooding time is 2V/5Q hour, the completely rear overflow of water in biochemistry pool enters into biochemistry filtered pond, open aeration valve and gas blower in biochemistry filtered pond, aeration rate is constant in (10～12) Q m
3/ h, sets aeration time 2V/5Q hour, the molten long-pending cubic meter number that in formula, V is biochemistry pool, and Q is the cubic meter number of intake pump flow per hour, as follows; After time arrives, close intake pump and biochemistry filtered pond aeration valve, then enter next step;
(5) biochemistry pool aeration: open biochemistry pool aeration valve, aeration rate is constant in (10～12) Q m
3/ h, setting aeration time is 2～4 hours, closes biochemistry pool aeration valve and gas blower.Then system enters next step:
(6) biochemistry pool precipitation: biochemistry pool precipitates, and then sedimentation time 1-2 hour enters next step:
(7) biochemistry pool spoil disposal: open sludge pump, set spoil disposal time 3-5 minute, or discharge the 2%-5% of total mud amount; After spoil disposal finishes, close sludge pump, then enter next step:
(8) biochemistry filtered pond back flushing: back flushing is carried out in biochemistry filtered pond, gas punching is undertaken by described gas blower, and water punching is undertaken by backwashing pump, and the mixed punching of air water is carried out by gas blower and backwashing pump simultaneously; 5 minutes (12～16L)/m of gas punching
2s, 5 minutes (3～5L)/m of the mixed punching of air water
2s, 10 minutes (4～6L)/m of water punching
2s, after back flushing completes, returns to step (4).
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| CN201410168224.3A CN103992004B (en) | 2014-04-23 | 2014-04-23 | The biochemistry filtered integrated apparatus of country sewage advanced treatment and operation method |
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| CN103992004B CN103992004B (en) | 2016-03-09 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104129826A (en) * | 2014-08-22 | 2014-11-05 | 北京城市排水集团有限责任公司 | Multiple-factor bubble separation and sewage purification treatment equipment and sewage recovery method |
| CN106565054A (en) * | 2016-08-31 | 2017-04-19 | 北京安国水道自控工程技术有限公司 | Village and town wastewater advanced treatment integrated device and method |
| CN107285572A (en) * | 2017-08-04 | 2017-10-24 | 南京河海环境研究院有限公司 | A kind of biochemistry pool |
| CN111018241A (en) * | 2019-12-10 | 2020-04-17 | 上海市净化技术装备成套有限公司 | Rural domestic sewage treatment system device |
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| WO2012010096A1 (en) * | 2010-07-20 | 2012-01-26 | 华南理工大学 | Device for synchronously removing nitrogen and phosphorus in mixed municipal sewage and fecal sewage by using a2/o-biomembrane and method thereof |
| CN203007094U (en) * | 2013-01-05 | 2013-06-19 | 乐清腾祥膜技术有限公司 | Community domestic water treatment device |
| CN203256094U (en) * | 2013-05-13 | 2013-10-30 | 福建英辉玻璃钢科技有限公司 | Integrated type sewage treatment equipment |
| CN203833761U (en) * | 2014-04-23 | 2014-09-17 | 北京城市排水集团有限责任公司 | Biochemical filtration integrated device for advanced treatment of rural sewage |
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2014
- 2014-04-23 CN CN201410168224.3A patent/CN103992004B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012010096A1 (en) * | 2010-07-20 | 2012-01-26 | 华南理工大学 | Device for synchronously removing nitrogen and phosphorus in mixed municipal sewage and fecal sewage by using a2/o-biomembrane and method thereof |
| CN203007094U (en) * | 2013-01-05 | 2013-06-19 | 乐清腾祥膜技术有限公司 | Community domestic water treatment device |
| CN203256094U (en) * | 2013-05-13 | 2013-10-30 | 福建英辉玻璃钢科技有限公司 | Integrated type sewage treatment equipment |
| CN203833761U (en) * | 2014-04-23 | 2014-09-17 | 北京城市排水集团有限责任公司 | Biochemical filtration integrated device for advanced treatment of rural sewage |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104129826A (en) * | 2014-08-22 | 2014-11-05 | 北京城市排水集团有限责任公司 | Multiple-factor bubble separation and sewage purification treatment equipment and sewage recovery method |
| CN104129826B (en) * | 2014-08-22 | 2016-06-08 | 北京城市排水集团有限责任公司 | Multiple-factor bubble separation sewage purification treatment equipment and sewage recovery method |
| CN106565054A (en) * | 2016-08-31 | 2017-04-19 | 北京安国水道自控工程技术有限公司 | Village and town wastewater advanced treatment integrated device and method |
| CN107285572A (en) * | 2017-08-04 | 2017-10-24 | 南京河海环境研究院有限公司 | A kind of biochemistry pool |
| CN107285572B (en) * | 2017-08-04 | 2023-08-08 | 南京河海环境研究院有限公司 | Biochemical pool |
| CN111018241A (en) * | 2019-12-10 | 2020-04-17 | 上海市净化技术装备成套有限公司 | Rural domestic sewage treatment system device |
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