CN201809225U - Grading rapid infiltration system - Google Patents

Grading rapid infiltration system Download PDF

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Publication number
CN201809225U
CN201809225U CN2010205554383U CN201020555438U CN201809225U CN 201809225 U CN201809225 U CN 201809225U CN 2010205554383 U CN2010205554383 U CN 2010205554383U CN 201020555438 U CN201020555438 U CN 201020555438U CN 201809225 U CN201809225 U CN 201809225U
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CN
China
Prior art keywords
water
water distribution
layer
infiltration
rapid infiltration
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Expired - Fee Related
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CN2010205554383U
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Chinese (zh)
Inventor
张建
刘伟凤
张成禄
任亮
李聪
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Shandong University
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Shandong University
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Publication of CN201809225U publication Critical patent/CN201809225U/en
Anticipated expiration legal-status Critical
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Abstract

The utility model provides a grading rapid infiltration system which comprises an infiltration bed body and a water distribution trough, wherein, the infiltration bed body is composed of surrounding anti-seepage walls and a bottom anti-seepage layer, the bottom of the infiltration bed body is equipped with a water outlet, and the infiltration bed body is sequentially and internally equipped with a non-grading packing layer, an incomplete grading packing layer, a complete grading packing layer and a soil layer from bottom to top; the water distribution trough is arranged in the soil layer and is internally equipped with a water distribution pipe; a water distribution packing layer is filled around the water distribution pipe, and holes in the water distribution packing layer are taken as infiltration ditches; and a reinforced water distribution material is arranged on two sides above the water distribution trough. In the utility model, the packing layers with three different grading modes are reasonably matched with one another, which can effectively eliminate pollutants in water, effectively ensure effluent quality, avoid system blockage and facilitate water discharge. The grading rapid infiltration system provided by the utility model has the advantages of simple structure, low operating cost and the like, thus being convenient for large-scale popularization and application.

Description

Grating formula rapid infiltration system
Technical field
The utility model relates to a kind of grating formula rapid infiltration system, belongs to technical field of sewage.
Background technology
The sewerage soil filtration treatment system is a kind of sewerage ecological engineering treatment technology based on ecological principle, and it makes full use of the following microorganism that perches in the face of land, animal in soil, physics-chem characteristic that root system of plant and soil had purifies sewage.Filtration system has capital construction and operational and administrative expenses is low, and operational management is simple, callable characteristics, and this system also has view and views and admires function in addition.But also exist system easily to stop up, denitrification effect is poor, and the water conservancy load is low, defectives such as fluctuation of service.
Summary of the invention
The utility model is at the deficiency that existing sewerage soil filtration treatment system technology exists, and provides a kind of and can effectively prevent system jams and effluent quality is good, nitrogen phosphorus removal effect height, long grating formula rapid infiltration system of stable cycle.
Grating formula rapid infiltration system of the present utility model is by the following technical solutions:
This grating formula rapid infiltration system comprises diafiltration bed body and cloth tank; Diafiltration bed body is made up of cut-pff wall and bottom impervious barrier all around, and the bottom of diafiltration bed body is provided with water outlet, is provided with not graded stuffing layer, incomplete graded stuffing layer, complete graded stuffing layer and pedosphere in the diafiltration bed body from top to bottom successively; The cloth tank is arranged in the pedosphere, is provided with water distributor in the cloth tank, is filled with the water distribution packing layer around the water distributor, and the hole in the water distribution packing layer is the diafiltration ditch, and both sides, cloth tank top are provided with the intensified water-layout material.
Described not graded stuffing layer is made up of the gravel of particle diameter 4cm-5cm.Gravel contains Al 2O 3, Fe 2O 3, composition such as CaO.
Described incomplete graded stuffing layer is that 1: 1 cinder and Wingdale mixes by volume ratio, and the cinder particle diameter is 3cm-4cm, and limestone particle size is 2cm-3cm.Cinder has flourishing hole, huge surface-area and certain mechanical strength, and the adsorption filtration effect is strong; Wingdale can combine with phosphate radical, and phosphor-removing effect is good.
Described complete graded stuffing layer is formed by hollow brick and 4: 1 by volume mixed of flyash, and the hollow brick particle diameter is 2cm-3cm, and the flyash particle diameter is 1cm-2cm.The flyash main component is SiO 2, Al 2O 3, CaO, Fe 2O 3, pore texture prosperity and specific surface area are big, can remove pollutants in sewage matter by effects such as absorption, ion-exchange, flocculation sediment and filtrations.The hollow brick specific surface area is big, and contains a high proportion of SiO 2, Al 2O 3, CaO, Fe 2O 3Deng oxide compound, can combine with the phosphor in sewage acid ion at filling surface and form precipitation, phosphor-removing effect is particularly outstanding.
Described pedosphere is that 7: 3 mixed forms by rural area soil and gas ash by mass ratio.
Have the downward diafiltration hole that is 45 ° of angles of two rows on the described water distributor.
Described water distribution packing layer thickness is 5cm, is mixed by rhombohedral iron ore and gravel, and the volume ratio of rhombohedral iron ore and gravel is 1: 2.
The operational process of grating formula rapid infiltration system of the present utility model is:
At first, sewage is entered water distributor, enter by the diafiltration hole on the water distributor and ooze the worry ditch the diafiltration bed surface soil layer plantation tuber of dwarf lilyturf or rye grass.Sewage is evenly distributed through the water distribution packing layer then, through the capillary effect of increasing of the intensified water-layout material of cloth tank both sides, evenly spreads in the surrounding soil again, obtains rough purification under the comprehensive purifying mechanism of action of soil matrix-root system of plant-microflora.Sewage after the rough purification is successively by complete graded stuffing layer, and not exclusively graded stuffing layer and not three layers of filling system of graded stuffing layer under mechanism of action effects such as filling adsorption, ion-exchange, flocculation sediment and filtration, are further removed pollutents such as nitrogen phosphorus.Sewage behind the final purification is discharged by the water outlet that is located at the bottom, diffusion cell.
Packing layer of the present utility model adopts three kinds of different grating modes.Complete graded stuffing layer sewage-filler is long duration of contact on the upper strata, and contact area is big, and adsorption and sedimentation condition and relative suitable microorganism growth condition preferably can be provided, and effectively removes nitrogen and phosphorus pollutants.The particle diameter of the incomplete grating layer of intermediary filler is big than the upper strata, and takes the mode of incomplete grating, in pollutents such as further removal nitrogen phosphorus, can prevent effectively that filler from stopping up.Undermost not graded stuffing layer can further be removed the upper strata and filter pollutent in the water that gets off, and gravel particle is bigger, and the physical strength height not only plays good supporting role, and makes that lower floor's water distribution is even, is convenient to water outlet.The pollutent in the water can be effectively removed in the reasonably combined use of the packing layer of three kinds of different gradation modes, guarantees effluent quality, and makes system be difficult for stopping up the water outlet facility.
Grating formula rapid infiltration system of the present utility model has improved various water pollutants, and especially the removal effect of nitrogen phosphorus can effectively guarantee effluent quality; And be difficult for stopping up, stable, the cycle of operation is long, has advantages such as simple in structure, that working cost is low, is convenient to large-scale promotion application.
Description of drawings
Accompanying drawing is a structural representation of the present utility model.
Wherein: 1, cut-pff wall; 2, graded stuffing layer not; 3, incomplete graded stuffing layer; 4, complete graded stuffing layer; 5, pedosphere; 6, water distribution material; 7, the tuber of dwarf lilyturf or rye grass; 8, water distribution packing layer; 9, cloth tank; 10, water distributor; 11, water outlet.
Embodiment
As shown in drawings, grating formula rapid infiltration system of the present utility model comprises diafiltration bed body, water distributor 10, cloth tank 9 and water outlet 11.Diafiltration bed body is positioned at all around and the cut-pff wall 1 of bottom, is disposed with not graded stuffing layer 2, incomplete graded stuffing layer 3, complete graded stuffing layer 4 and pedosphere 5 in the diafiltration bed body from top to bottom.The bottom of diafiltration bed body is provided with water outlet 11.Not exclusively graded stuffing layer 3 thickness are 10cm, mix by cinder and Wingdale, and cinder particle diameter 3-4cm, limestone particle size 2-3cm, the volume ratio of cinder and Wingdale is 1: 1.Graded stuffing layer 4 thickness are 10cm fully, mix by hollow brick and flyash, and hollow brick particle diameter 2-3cm, flyash particle diameter 1-2cm, the volume ratio of hollow brick and flyash is 4: 1.Pedosphere 5 thickness are 70cm, are mixed by rural area soil and gas ash, and the mass ratio of rural area soil and gas ash is 7: 3.Cloth tank 9 is located in the pedosphere 5, and water distributor 10 is located in the cloth tank 9, has the downward diafiltration hole that is 45 ° of angles of two rows in the water distributor 10.Be filled with water distribution packing layer 8 around the water distributor 10, water distribution packing layer 8 thickness are 5cm, are mixed by rhombohedral iron ore and gravel, and the volume ratio of rhombohedral iron ore and gravel is 1: 2.The both sides, top of cloth tank 9 are provided with nylon cloth intensified water-layout material 6.The thickness of graded stuffing layer 2 is not 10cm, is made up of the gravel of particle diameter 4-5cm.
When system moves, at first, sewage is entered water distributor 10, enter by the diafiltration hole on the water distributor and ooze the worry ditch the diafiltration bed surface soil layer plantation tuber of dwarf lilyturf or rye grass 7.Sewage evenly spreads in the surrounding soil 5 through the intensified water-layout material 6 of water distribution packing layer 8 and cloth tank both sides then, obtains rough purification under the comprehensive purifying mechanism of action of soil matrix-root system of plant-microflora.Sewage after the rough purification is successively by complete graded stuffing layer 4, not exclusively graded stuffing layer 3 and not 2 three layers of filling system of graded stuffing layer, under mechanism of action such as filling adsorption, ion-exchange, flocculation sediment and filtration, further remove pollutants in sewage matter (especially nitrogen phosphorus), guarantee good effluent quality; The water distribution that diafiltration is got off is even, is difficult for stopping up, and is easy to discharge.Sewage behind the final purification is discharged by the water outlet 11 that is located at the bottom, diffusion cell.
Native system is handled sanitary sewage, hydraulic load 2.0m 3/ (m 2D), the mean concns of water inlet COD, ammonia nitrogen, total nitrogen and total phosphorus is respectively: 80-120mg/L, 20-30mg/L, 40-60mg/L and 3-4mg/L.Cultivated the back through 15-25 days and move, system's water outlet is comparatively stable, and the clearance of COD, ammonia nitrogen, total nitrogen and total phosphorus is respectively 90%, 98%, 94% and 95%.System's cycle of operation is 1 year, and treatment effect is stable.
The utlity model has following features:
(1) effluent quality is good, and is stable, especially to the removal ability height of nitrogen, phosphorus.
(2) good water permeability is difficult for stopping up, and the cycle of operation is long.
(3) simple in structure, the water distribution that the design of three layers of grading-type packing layer is got off diafiltration is even, does not need collecting system, only needs simple delivery port that water outlet is effectively discharged.
(4) used fill source is extensive, and is with low cost, is convenient to large-scale promotion application.
(5) treatment effect is subjected to seasonal effect little, the rye grass of earth surface planting etc., and cold resistance is good, and has landscape effect.

Claims (7)

1. a grating formula rapid infiltration system comprises diafiltration bed body and cloth tank; Diafiltration bed body is made up of cut-pff wall and bottom impervious barrier all around, and the bottom of diafiltration bed body is provided with water outlet, it is characterized in that: be provided with not graded stuffing layer, incomplete graded stuffing layer, complete graded stuffing layer and pedosphere in the diafiltration bed body from top to bottom successively; The cloth tank is arranged in the pedosphere, is provided with water distributor in the cloth tank, is filled with the water distribution packing layer around the water distributor, and the hole in the water distribution packing layer is the diafiltration ditch, and both sides, cloth tank top are provided with the intensified water-layout material.
2. grating formula rapid infiltration system according to claim 1 is characterized in that: described not graded stuffing layer is made up of the gravel of particle diameter 4cm-5cm.
3. grating formula rapid infiltration system according to claim 1 is characterized in that: described incomplete graded stuffing layer is that 1: 1 cinder and Wingdale mixes by volume ratio, and the cinder particle diameter is 3cm-4cm, and limestone particle size is 2cm-3cm.
4. grating formula rapid infiltration system according to claim 1 is characterized in that: described complete graded stuffing layer is formed by hollow brick and 4: 1 by volume mixed of flyash, and the hollow brick particle diameter is 2cm-3cm, and the flyash particle diameter is 1cm-2cm.
5. grating formula rapid infiltration system according to claim 1 is characterized in that: described pedosphere is that 7: 3 mixed forms by rural area soil and gas ash by mass ratio.
6. grating formula rapid infiltration system according to claim 1 is characterized in that: have the downward diafiltration hole that is 45 ° of angles of two rows on the described water distributor.
7. grating formula rapid infiltration system according to claim 1 is characterized in that: described water distribution packing layer is mixed by rhombohedral iron ore and gravel, and the volume ratio of rhombohedral iron ore and gravel is 1: 2.
CN2010205554383U 2010-10-11 2010-10-11 Grading rapid infiltration system Expired - Fee Related CN201809225U (en)

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Application Number Priority Date Filing Date Title
CN2010205554383U CN201809225U (en) 2010-10-11 2010-10-11 Grading rapid infiltration system

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102617002A (en) * 2012-04-16 2012-08-01 温州大学 Method for treating dispersed domestic sewage
CN103938518A (en) * 2014-04-16 2014-07-23 同济大学 Method for constructing road runoff pollution control greening system
CN105293620A (en) * 2015-12-03 2016-02-03 重庆甘泰环保设备有限公司 Artificial rapid infiltration tank applicable to living sewage treatment in towns

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102617002A (en) * 2012-04-16 2012-08-01 温州大学 Method for treating dispersed domestic sewage
CN103938518A (en) * 2014-04-16 2014-07-23 同济大学 Method for constructing road runoff pollution control greening system
CN105293620A (en) * 2015-12-03 2016-02-03 重庆甘泰环保设备有限公司 Artificial rapid infiltration tank applicable to living sewage treatment in towns

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Granted publication date: 20110427

Termination date: 20141011

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