CN201626878U - Artificial rapid filtration sewage treatment system - Google Patents

Artificial rapid filtration sewage treatment system Download PDF

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Publication number
CN201626878U
CN201626878U CN2010201153425U CN201020115342U CN201626878U CN 201626878 U CN201626878 U CN 201626878U CN 2010201153425 U CN2010201153425 U CN 2010201153425U CN 201020115342 U CN201020115342 U CN 201020115342U CN 201626878 U CN201626878 U CN 201626878U
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China
Prior art keywords
reoxygenation
layer
sewage treatment
infiltration
treatment system
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Expired - Lifetime
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CN2010201153425U
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Chinese (zh)
Inventor
方芳
李哲
王胜
陈猷鹏
王春燕
郭劲松
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Chongqing University
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Chongqing University
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Abstract

The utility model relates to an artificial filtration sewage treatment system, which comprises a reoxygenation system and a water outlet collecting system. The reoxygenation system sequentially comprises a bottom plate, a support layer, reoxygenation layer lower filler, a reoxygenation layer, reoxygenation layer upper filler and a vertical ventilation pipe from bottom to top. The upper end of the vertical ventilation pipe is communicated with air while the lower end is communicated with the reoxygenation layer, the reoxygenation system is connected with the water outlet collecting system via a water discharge collecting pipe, and a plurality of water inlet holes are arranged on the water discharge collecting pipe horizontally arranged at the bottom of the reoxygenation layer lower filler. The artificial rapid filtration sewage treatment system not only has the conventional advantages of simple equipment, convenient operation and management, low energy consumption, little cost and the like by adopting artificial rapid filtration technique, but also sufficiently uses natural ventilation and submerged discharge principle to reasonably construct 'ventilation reoxygenation layer and underwater anaerobic layer', consequentially strengthens nitrification-denitrification function, has fine reoxygenation effect, improves biological nitrogen removal effect and achieves the purpose of continuous water inflow and outflow by parallel running of multiple artificial rapid filtration units.

Description

A kind of manpower rapid-infiltration sewage treatment system
Technical field
The utility model belongs to municipal administration and field of environmental engineering, is specifically related to a kind of modified form manpower rapid-infiltration sewage treatment system, and aerobic-anaerobism that native system is specially adapted to does not have energy consumption sewage disposal cheaply or micropollutant water reparation.
Background technology
The manpower rapid-infiltration treatment system is as a kind of polluted water land treatment technology, and its outstanding feature is that equipment is simple, convenient operation and management, energy consumption is low, expense only is 1/2~1/10 of conventional two stage biological processing, and decontamination effect improving is better, can be used as the alternative techniques that traditional biological is handled.
Traditional manpower rapid-infiltration treatment system is since being born, have many weak points: 1. the ammonia nitrogen removal effect is not good enough always: the dominant mechanism that ammonia nitrogen is removed by this system is by aerobic nitrification-anoxic denitrification effect, owing to remove ammonia nitrogen in the soil is a comparatively complicated process, and oxygen-supplying amount is limited, the very difficult mutual conversion of coordinating between aerobic and the anaerobic environment, therefore this system is lower to ammonia-N removal rate, and the water outlet ammonia nitrogen is difficult up to standard.2. hydraulic load is low: the manpower rapid-infiltration system is very limited to the removal effect of pollutent, generally speaking for reaching treatment effect preferably, should keep lower hydraulic load, and this has just limited the widespread use of this technology.3. system's periodic running: manpower rapid-infiltration comes the treatment effect of regulation system by control hydraulic load cycle and wet-dry ratio, the upper soll layer hole that organism growth and sedimentation of suspension from being caused though the operation scheme of wet-dry ratio can prevent excessively stops up, and can carry out certain reoxygenation to system, make on the latent layer of the internal system section and alternately form redox environment, the degraded that helps organic pollutant is removed; But for obtaining best denitrification effect, then need sufficiently long drying time, thereby cause total system not move continuously, can only dispose of sewage by intermittent type.
Above-mentioned deficiency at this system, publication number is that the Chinese patent of CN201161953 makes up protruded packing reoxygenation layer between aerobic layer and anaerobic layer, oxygen enters reoxygenation layer inside by the horizontal porous ventpipe of vertical ventilator trunk connection, thereby strengthens the aerobic nitrification effect.But there are following several point defects in this patent: 1. the reoxygenation layer based on the level ventilation pipe has lower oxygen mass transfer efficient, and the service area of pipeline is very limited again, and the reoxygenation effect is not good enough; Though 2. the structure of reoxygenation layer structure has improved the oxygen level in the filler, this has also weakened the anoxic denitrification effect, causes the denitrification effect undesirable; 3. this system does not adopt the operation scheme of wet-dry ratio, and organism growth and sedimentation of suspension cause that easily the upper soll layer hole stops up, thereby reduce the penetrating quality of system, cause wastewater treatment efficiency not good.
The utility model content
At the prior art above shortcomings, the purpose of this utility model provide a kind of reoxygenation effective, low-cost, improve the ammonia nitrogen removal effect, handle the manpower rapid-infiltration sewage treatment system of water inlet continuously.
The technical scheme that realizes the utility model purpose is:
A kind of manpower rapid-infiltration sewage treatment system, it is by the reoxygenation system and go out water collection system and constitute, described reoxygenation system is made up of base plate, supporting layer, reoxygenation layer bottom filler, reoxygenation layer, reoxygenation layer top filler and vertical ventpipe from the bottom up successively, vertical ventpipe upper end communicates with atmosphere, the lower end is communicated with the reoxygenation layer, the reoxygenation system by the drainage collection pipe with go out water collection system and link to each other, the drainage collection pipe is provided with some prosopyles, and the drainage collection pipe is horizontally disposed in reoxygenation layer bottom filler bottom.
Described vertical ventpipe surface is distributed with aperture by spiral way, hole diameter Φ 5~10mm, and vertical ventpipe arranges that density is 0.5~1/m 2, the top is higher than reoxygenation layer top filling surface 0.35~0.50m.
Described reoxygenation layer is constituted and is covered with whole manpower rapid-infiltration system in the horizontal direction by the water drainage plastics sheet material that oozes of level, and the plastics sheet that constitutes the reoxygenation layer is tridimensional network, parcel infiltration geotextile around the reoxygenation layer.
Reoxygenation is high layer by layer to be 100~150mm; Reoxygenation layer top packed height is 0.5~0.8m; Reoxygenation layer bottom packed height is 0.7~1.0m.
Describedly go out water collection system and be made up of wet well, effluent weir and posticum successively by the water outlet order, effluent weir is positioned at the wet well upper end, is communicated with wet well after the reoxygenation system wall is passed in described drainage collection pipe water side.High 0.7~the 1.0m of wet well, effluent weir is made of adjustable for height metal baffle, and the effluent weir height is 0.5~0.9m.
Native system is except that traditional advantages such as the equipment that utilizes the manpower rapid-infiltration technology is simple, convenient operation and management, energy consumption is low, expense is few, make full use of natural ventilation and submerge discharging flow principle, reasonable construction " ventilation reoxygenation layer-anaerobic layer " under water, thereby strengthen nitrated-denitrification, improve Nitrogen removal effect; And, reach the purpose of the water of being back to back by the unit parallel running of many group manpower rapid-infiltrations.Compared to existing technology, the utlity model has following advantage:
(1) this improvement system has no energy consumption, the effective advantage of reoxygenation.With vertical vent-pipe with ooze the water drainage plastics sheet material and make up the reoxygenation system, plastics sheet is filled on the whole horizontal section of manpower rapid-infiltration system, utilize the space that extensively distributes between plastics sheet to significantly improve mass-transfer efficiency, the expansion reoxygenation area of oxygen, have the incomparable reoxygenation effect of tradition ventilation pipe.
(2) less investment, management operating are conveniently.The additional investment of this system only limits to vertical vent-pipe and oozes the water drainage plastics sheet material, and its price is comparatively cheap, satisfies the geographic actual financial resources requirement of the domestic overwhelming majority, and utilization should be widely promoted.This system also need not higher level of management in operational process, have comparatively stable running status, is management operating technology easily.
(3) reasonable construction aerobic-anaerobic environment, improve clean effect.This improvement system adopts adjustable for height weir plate control water outlet water level, the following packing area of gauging line is in anaerobic environment for the waterflooding section, promptly regulate the anaerobic zone scope, solved traditional manpower rapid-infiltration system and adopted the bottom to go out stream to cause the problem that anaerobic zone is narrower, the denitrification effect is not good enough by the effluent weir plate height.In addition,, make up the combination environment of " ventilation reoxygenation layer-anaerobic layer " under water by reasonable adjusting anaerobic zone scope, thereby strengthen nitrated-denitrification, improve the ammonia nitrogen removal effect, remove the pollutent effect and reach optimum.
(4) handle water inlet continuously.With this improvement system is unit, by making up many group processing units, subdivision water distribution, the idle periodic duty of subdivision are adopted in continuous water inlet, can carry out non-discontinuity treatment to continuous water inlet, avoid traditional manpower rapid-infiltration system because of the drawback that drying time carries out the batch process water inlet, enlarged the utilization scope of this system.
Description of drawings
Fig. 1-the utility model structural representation;
The A-A sectional view of Fig. 2-Fig. 1;
The effluent weir drawing of Fig. 3-Fig. 1.
Wherein, 1-water distributor, the vertical ventpipe of 2-, 3-reoxygenation layer top filler, 4-reoxygenation layer, 5-reoxygenation layer bottom filler, 6-supporting layer, 7-base plate, 8-drainage collection pipe, through walls mouthful of 9-, 10-wet well, 11-effluent weir, 12-water outlet.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
The utility model manpower rapid-infiltration sewage treatment system is made of no energy consumption reoxygenation system and the adjustable water collection system that goes out of water outlet water level, sees Fig. 1 and Fig. 2.
Described reoxygenation system is made up of base plate 7, supporting layer 6, reoxygenation layer bottom filler 5, reoxygenation layer 4, reoxygenation layer top filler 3 and vertical ventpipe 2 from the bottom up successively, and vertically ventpipe 2 upper ends communicate with atmosphere, and the lower end is communicated with reoxygenation layer 4.Sewage enters the reoxygenation system by water distributor 1, the reoxygenation system again by drainage collection pipe 8 with go out water collection system and link to each other (in fact, the drainage collection pipe is the integral part that water collection system), drainage collection pipe 8 is provided with some prosopyles, drainage collection pipe 8 is horizontally disposed in filler 5 bottoms, reoxygenation layer bottom, and its concrete structure is referring to Fig. 1.
Reoxygenation layer 4 by tridimensional network ooze the water drainage plastics sheet material, the infiltration geotextile constitute.Tridimensional network ooze the water drainage plastics sheet material adopt have erosion resistance, antiseepage, gas-pervious composite polyethylene material make, floor height is 100~150mm, this layer is covered with whole manpower rapid-infiltration system in the horizontal direction, forms " filtration-draining-breathe freely " system; Parcel infiltration geotextile causes obstruction to prevent that filler enters on every side around the sheet layer in the sheet layer.
Vertical ventpipe 2 adopts DN50~DN150 UPVC pipes reoxygenation that ventilates, and its surface is evenly equipped with intensive Φ 5~10mm aperture by spiral way, and to reach the effect of abundant reoxygenation, it is 0.5~1/m that ventpipe adopts density 2Mode evenly dispose, the ventpipe top is higher than reoxygenation layer top filling surface 0.35~0.50m.Air enters the plastics lamella along vertical ventpipe, enters the filler of next-door neighbour's reoxygenation layer top and the bottom by space in picturesque disorder in the plastics lamella.
Reoxygenation layer top filler 3 highly is controlled at 0.5~0.8m, owing to passing through surface and reoxygenation layer simultaneously to top packing layer reoxygenation, has strengthened the reoxygenation effect, can make it be in good good oxygen condition.Reoxygenation layer bottom filler 5 highly is 0.7~1.0m, has strengthened internal system by submerge discharging flow and has formed good anaerobic environment.
Referring to Fig. 3, describedly go out water collection system and form by drainage collection pipe 8, wet well 10, effluent weir 11, posticum 12 successively by the water outlet order, effluent weir 11 is positioned at wet well 10 upper ends.Described drainage collection pipe 8 adopts the perforated pipe form, through walls mouthful 9 back that wear on the reoxygenation system wall water side communicates with wet well 10 bottoms, along with the water yield that enters in the wet well 10 increases, overflow enters effluent weir 11 when the water outlet water level reaches weir plate top height, and discharges the manpower rapid-infiltration treatment system by posticum 12.
Wet well 10 high 0.7~1.0m, effluent weir 11 is made of adjustable for height metal baffle, and metal baffle top height is controlled at 0.5~0.9m, controls the water outlet water level by the adjustment of height of baffle plate.Because the dissolved oxygen of air in water is extremely low, so the following packing area of gauging line is the waterflooding section, very easily forms anaerobic environment.Go out stream bottom tradition manpower rapid-infiltration system adopts and cause anaerobic zone narrower, the system after the improvement enlarges waterflooding anaerobism packing area by improving the water outlet water level, has remedied the weakening effect of reoxygenation layer structure to anaerobic denitrifying, has strengthened the denitrification effect.
The native system operation scheme is an independent operating under certain wet-dry ratio, also can make up many group manpower rapid-infiltration processing units, according to batch-wise principle in parallel, subdivision water distribution, the idle periodic duty of subdivision are adopted in continuous water inlet, not only reach aim of stable operation under certain wet-dry ratio condition, and can carry out non-discontinuity treatment continuous water inlet.
Further describe the utility model and its treatment effect is described below by embodiment.
Embodiment: the utility model is applied in certain sewage treatment project, the concrete technology that adopts " grid-anaerobe reaction tank-drop water aeration-improvement manpower rapid-infiltration system-uv sterilisation ", treatment scale is 800m 3/ d does not have power consumption in substantially.
The technical parameter of improvement manpower rapid-infiltration system is: the single improvement manpower rapid-infiltration long 18.0m of system, wide 4.0m, high 1.40~2.0m.The high 0.63m of reoxygenation layer top filler, reoxygenation floor height 0.10m, the high 0.74m of reoxygenation layer bottom filler, support floor height 0.28m, the high 1.00m of wet well can regulate the high 0.75m of effluent weir.Vertical ventpipe adopts DN50 UPVC pipe, and its surface is furnished with intensive Φ 5mm aperture, and adopting density is 0.5/m 2Mode evenly dispose.Horizontal reoxygenation layer adopts geotextile parcel RCP-6730D type to ooze the draining sheet material.System's hydraulic load is 1.5~2.5m 3/ (m 2D), the operation wet-dry ratio is 1d: 2d (water distribution one day, intermittently two days), and per 4 groups of manpower rapid-infiltration systems are a run unit, totally 3 units alternately operations.
Monitoring result shows: behind grid-pretreatment units such as anaerobe reaction tank-drop water aeration, enter COD average out to 69.0mg/L, the NH of improvement manpower rapid-infiltration system 3-N is that 10.7mg/L, TN are that 14.5mg/L, TP are 1.3mg/L; Water outlet COD average out to 48.2mg/L, NH 3-N is that 4.9mg/L, TN are that 9.8mg/L, TP are 0.9mg/L; The COD clearance is 30.1%, NH 3-N is 54.2%, TN is 32.4%, TP is 30.8%.Sewage effluents water quality reaches " urban wastewater treatment firm pollutant emission standard " (GB18918-2002) middle one-level B standard.
The utility model main technical details
High 0.5~the 0.8m of system's reoxygenation layer top filler is oozed in improvement soon, reoxygenation floor height 0.10~0.15m, and the high 0.7~1.0m of bottom filler, support floor height 0.2~0.4m, the high 0.7~1.0m of wet well can regulate the high 0.5~0.9m of effluent weir.Vertical ventpipe adopts DN50~150UPVC pipe, and its surface is furnished with intensive Φ 5~10mm aperture, and adopting density is 0.5~1/m 2Mode evenly dispose, the ventpipe top is higher than filling surface 0.35~0.50m.Horizontal reoxygenation layer adopts infiltration geotextile parcel to ooze the draining sheet material.System's hydraulic load is 1.0~3.0m 3/ (m 2D), the operation wet-dry ratio is 1d: 2d~3d (water distribution one day, intermittently two days or three days), alternate run.

Claims (6)

1. manpower rapid-infiltration sewage treatment system, it is by the reoxygenation system and go out water collection system and constitute, it is characterized in that: described reoxygenation system is from the bottom up successively by base plate (7), supporting layer (6), reoxygenation layer bottom filler (5), reoxygenation layer (4), reoxygenation layer top filler (3) and vertical ventpipe (2) are formed, vertical ventpipe (3) upper end communicates with atmosphere, the lower end is communicated with reoxygenation layer (4), the reoxygenation system by drainage collection pipe (8) with go out water collection system and link to each other, the drainage collection pipe is provided with some prosopyles, and drainage collection pipe (8) is horizontally disposed in reoxygenation layer bottom filler (5) bottom.
2. manpower rapid-infiltration sewage treatment system according to claim 1 is characterized in that: described vertical ventpipe (2) surface is distributed with aperture by spiral way, hole diameter Φ 5~10mm, and vertical ventpipe arranges that density is 0.5~1/m 2, the top is higher than reoxygenation layer top filling surface 0.35~0.50m.
3. manpower rapid-infiltration sewage treatment system according to claim 1 and 2, it is characterized in that: described reoxygenation layer (4) is constituted and is covered with whole manpower rapid-infiltration system in the horizontal direction by the water drainage plastics sheet material that oozes of level, the plastics sheet that constitutes the reoxygenation layer is tridimensional network, parcel infiltration geotextile around the reoxygenation layer.
4. manpower rapid-infiltration sewage treatment system according to claim 1 is characterized in that: described reoxygenation layer (4) floor height is 100~150mm; Reoxygenation layer top filler (3) highly is 0.5~0.8m; Reoxygenation layer bottom filler (5) highly is 0.7~1.0m.
5. manpower rapid-infiltration sewage treatment system according to claim 1, it is characterized in that: describedly go out water collection system and form by wet well (10), effluent weir (11) and posticum (12) successively by the water outlet order, effluent weir (11) is positioned at wet well (10) upper end, and described drainage collection pipe (8) water side is communicated with wet well (10) after wearing the reoxygenation system wall.
6. manpower rapid-infiltration sewage treatment system according to claim 5 is characterized in that: the high 0.7~1.0m of described wet well (10), and effluent weir (11) is made of adjustable for height metal baffle, and effluent weir (11) highly is 0.5~0.9m.
CN2010201153425U 2010-02-21 2010-02-21 Artificial rapid filtration sewage treatment system Expired - Lifetime CN201626878U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101993163A (en) * 2010-10-14 2011-03-30 深圳市深港产学研环保工程技术股份有限公司 Device and method for treating water of micro-polluted water source
CN116947204A (en) * 2023-08-25 2023-10-27 汉鼎科技(大连)有限公司 Manual rapid filtration treatment system and application method thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101993163A (en) * 2010-10-14 2011-03-30 深圳市深港产学研环保工程技术股份有限公司 Device and method for treating water of micro-polluted water source
CN116947204A (en) * 2023-08-25 2023-10-27 汉鼎科技(大连)有限公司 Manual rapid filtration treatment system and application method thereof

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GR01 Patent grant
AV01 Patent right actively abandoned

Granted publication date: 20101110

Effective date of abandoning: 20120502