CN104229992B - A kind of device being applicable to underground sewage percolating process and using method thereof - Google Patents
A kind of device being applicable to underground sewage percolating process and using method thereof Download PDFInfo
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Abstract
The present invention relates to field of environment engineering, particularly relate to a kind of device processed for underground sewage percolating and using method thereof.The present invention adopts the following technical scheme that, one is applicable to underground sewage percolating processing means, it is characterized in that: include groove, lower groove, water inlet pipe and ventilation duct are constituted, the bottom of upper groove is provided with lattice support plate, upper groove upper side is provided with water inlet tube interface, connect on interface and have water inlet pipe, interface spins with water inlet pipe screw thread, it is provided with water distributor at upper groove inner distance top 24 cm, upper groove is internal fills light ceramic or the plastic biologic packing material that particle diameter is 23 cm, the shape of described lower groove is similar to upper groove, and lower groove cell body 35 cms wider than upper groove cell body are for draining, the internal sand filling 20 100 mesh of lower groove, upper groove and lower groove are harmonious setting by sole.By using such scheme, the present invention is directed to the deficiency of existing subsurface wastewater infiltration system technology, it is provided that one is applicable to underground sewage percolating processing means and using method thereof.
Description
Technical field
The present invention relates to field of environment engineering, particularly relate to a kind of device processed for underground sewage percolating and using method thereof.
Background technology
Underground sewage percolating processing method typically refer to by sewage after pretreatment controlledly dosing among soil, sewage by diffusion motion under the effect of gravity and soil capillary power, and a kind of method being cleaned by Physical entrapment, materialization absorption, chemical precipitation, microbial degradation, animals and plants effect etc. factor in this transition process.Subsurface infiltration processing method has a process, and effluent quality is good, Construction and operation low cost, management are simple, device located underground does not destroy view, be destitute of smell, do not produce mud, effectively go to denitrogenate the advantages such as phosphorus, thus becomes the sewage water treatment method of domestic and international people institute pay attention to day by day.
But, often there is following defect in traditional wastewater underground seepage & filter treatment system: cannot adjust by secondary after 1, water-distributing device builds up, it is difficult to the problem that the water distribution that overcomes soil settlement etc. to cause is uneven.The water distribution pipe fitting of traditional wastewater underground seepage & filter treatment system is integrally located under soil, builds up and the most i.e. cannot adjust.Pass through the engineering measures such as excavation, backfill due to subsurface wastewater infiltration system and destroy the rock-steady structure of original soil, and affected by the factor such as sluicing of subsurface wastewater infiltration system longtime running, subsurface wastewater infiltration system easily causes sedimentation, thus the non-uniform phenomenon of water distributor water distribution, cause local water inlet to cause sewage the most a large amount of unprocessed dischargers at sedimentation, directly affects effluent quality.If Authorization Notice No. is CN101638289B, CN101982431B, CN1182048C, the patents of invention such as CN1927733A, although by increasing intensified water-layout material, improve water distributor structure, the modes such as multilamellar water distribution improve the uniformity of device water distribution, but the cloth drainage facility of foregoing invention patent does not the most possess Secondary Control ability, i.e. disposably imbed below ground when plant construction and for overall structure, when follow-up appearance sedimentation causes local to intake too much, timely redjustment and modification cannot be carried out for local, single unit system can only be excavated and again build, and the later stage can only shift onto again heavily come when same case occurs, cause a large amount of wastes of resource.2, tradition subsurface wastewater infiltration system does not the most possess the cloth water yield and the ability of water distribution position of controlling flexibly.The water distribution pipe network of tradition subsurface wastewater infiltration system is totally positioned under soil and between pipe network connection of communicating with each other, no matter the water yield is excessive or too small, all take the mode of uniformly dispersing, it is difficult to the potentiality of performance system, and can not be different according to plan-position inside land treatment device, build the interval unit that the anaerobic-aerobic of different water cut and different oxygen content alternately exists, be unfavorable for improving the overall performance of device.Such as the patent of invention that Authorization Notice No. is CN 102432105 B, although proposing, subsurface infiltration device is divided into Xia Shen district and Shang Shen district, and the outlet pipe of differing heights is set in Shang Shen district, control to form aerobic-anaerobic alternate area by outlet pipe liquid level, but this patent of invention remains as unified entirety from the point of view of the in-plane of device, Ji Qishangshen district, the water distributor in Xia Shen district is the overall pipe network communicated with each other, not there is the performance of independent control, the region of different dry wet alternate cannot be formed in the Different Plane position of device, and the alternation of wetting and drying region of this patent of invention is only at the regional area of subsurface wastewater infiltration system, the overall performance of device cannot be played.Although and the patent of invention that grant number is CN102092853B is provided with two graduation two tanks and subsurface wastewater infiltration system is divided into an even isolated area, but each distribution channel connects many water distributors, it is impossible to realizing the flow-control to every water distributor, motility is poor.3, after parts damages, difficulty height is changed in maintenance.Communicate with each other due to devices such as the tradition ventilation duct of subsurface wastewater infiltration system, water distributors and be integrally formed, therefore when local damage, owing to local pipe networks is the most overall with other pipe networks, it is difficult to be replaced for local, so that device is difficult to on-call maintenance after going wrong, have impact on the stability of effluent quality.As the parts such as grant number is the patent of invention of CN201381238Y, CN202080988U, its water distribution pipe network are linked up mutually, the most not independent, maintenance difficulty is bigger.The structures such as the ventilation duct 4, descending percolating device traditionally are often positioned in bottom of device, on the one hand the pressure entering air increased makes to ventilate relatively costly, on the other hand, it is aerated providing system to remove ammonia nitrogen and organic ability in bottom of device, but nitrate nitrogen is difficult to effectively process.If grant number is the patent of invention of CN201825778U, CN1242926C, its gas distribution pipe is respectively positioned on device bottom, on the one hand ventilation difficulty is bigger, on the other hand after mineralized nitrogen being become nitrate nitrogen by ventilating, owing to nitrification zone is positioned at device bottom thus nitrate nitrogen is quickly discharged from device, denitrification effect is poor.
Summary of the invention
The present invention is directed to the deficiency of existing subsurface wastewater infiltration system technology, it is provided that one is applicable to underground sewage percolating processing means and using method thereof.
nullRealize above-mentioned purpose，The present invention adopts the following technical scheme that，A kind of device being applicable to underground sewage percolating process，It is characterized in that: include groove、Lower groove、Water inlet pipe and ventilation duct，The square with the axis cross section of described upper groove is semicircle，Upper groove is by fiberglass、PE、PP or PVC one is compressing，Upper fluted shaft to a length of 1-2 m、The height that upper groove arches is 25-30cm、The width of upper groove bottom is 25-35cm，The bottom of upper groove is provided with lattice support plate，Through-hole aperture on this lattice support plate is more than 1cm，Its lap of upper groove is sealing surface，Upper groove upper side is provided with water inlet tube interface，Connect on interface and have water inlet pipe，Interface spins with water inlet pipe screw thread，It is provided with water distributor at upper groove inner distance top 2-4 cm，Vent is had at the 2-3 cm of the two sides distance grid gripper shoe in upper slot length direction，Connect on vent and have ventilation duct，Upper groove is internal fills light ceramic or the plastic biologic packing material that particle diameter is 2-3 cm，The shape of described lower groove is identical with upper groove，And lower groove cell body than upper groove cell body wide 3-5 cm for draining，Lower groove is by fiberglass、PE、PP or PVC one is compressing，The internal sand filling 20-100 mesh of lower groove，Upper groove and lower groove are harmonious setting by sole.
The present invention is applicable to the further scheme of the device that underground sewage percolating processes: described water inlet pipe is seven font pipe fittings, the height of water inlet pipe is 10-12 cm, a length of 20-25 cm, the mouth of pipe of seven font pipe fitting short transverse lower ends is connected with the water inlet tube interface of upper groove, the end in seven font tubular length directions is connected with external sparge pipe, it is provided with flow control valve on described seven font tubular length directions, described ventilation duct is seven font bend pipes, the height of ventilation duct is 55-60 cm, a length of 5-8 cm.
The present invention is applicable to the further scheme of the device that underground sewage percolating processes: four sides of described upper trench bottom are provided with installation sole, perforate on sole, what the upside of described lower groove was corresponding be provided with four installs soles, realizing removably connecting by above-mentioned installation sole on upper groove and lower groove, described water inlet tube interface is arranged on the middle part on the upside of groove.
By use such scheme, apparatus of the present invention have the technical effect that this device is integral type fabricated device, more convenient when Practical Project is constructed, accelerate construction speed.Effluent quality is effective.This device, by the control of valve on water inlet pipe, can make subsurface wastewater infiltration system form multiple anaerobic-aerobic territory element alternately in same level plane, it is provided that the treatment effect of device so that effluent quality is more preferable than traditional subsurface wastewater infiltration system.This device recoverable.This device possesses independence, thus when needing to disable subsurface wastewater infiltration system device because of removal, land character change etc., can apparatus of the present invention be dug out for other subsurface wastewater infiltration systems, it is to avoid traditional subsurface wastewater infiltration system water distribution pipe network is difficult to the difficult problem recycled.Possesses the ability of regulation water distribution level.The uneven water distribution phenomenon that tradition subsurface wastewater infiltration system causes because surface subsidence etc. causes water distributor to bend can be solved, and directly arranged by stir yourself, run duration after device builds up, can repeatedly regulate the level of water distributor, effluent quality has been effectively ensured.Run control and there is maneuverability.By the setting of the Independent fluxes valve on water inlet pipe, the water inlet of regional area can be closed the most at any time, or as required, increase the quantity of apparatus of the present invention at any time and be connected to sparge pipe, the disposal ability of system can be improved.
The technical scheme of the using method of subsurface infiltration processing means of the present invention is: described subsurface infiltration processing means is in subsurface infiltration sewage disposal system engineering, subsurface infiltration processing means is evenly arranged according to the spacing of 1-1.5 m, subsurface infiltration processing means embedment below ground, water inlet tube interface above upper groove is concordant with soil ground, water inlet pipe bassets setting, water inlet pipe is connected with the distribution system of water supply in subsurface infiltration sewage disposal system engineering, and is injected inside upper groove by sewage by the distribution system of water supply.
The further scheme of using method of the present invention is: when causing filtration process device to settle because of surface subsidence, sluicing, water inlet pipe is directly adjusted by the level height difference according to water inlet pipe pipe end face with the screw thread being connected at water inlet tube interface, consistent to guarantee the elevation of the water inlet pipe pipe top plane of each filtration process device, it is ensured that the uniformity of water inlet.
The further scheme of using method of the present invention is: when needs improve system performance, by the flow control valve on water inlet pipe, the discharge of sewage entering the device that subsurface infiltration processes is controlled, regional area is made to enter sewage quantity big formation anaerobism interval, and another part region is without the aerobic interval of the little formation of sewage or sewage quantity, make in subsurface wastewater infiltration system plane to be differently formed multiple aerobic/anaerobic unit alternately according to setting position, it is provided that the disposal ability of system.
The further scheme of using method of the present invention is: when being required for individually descending the device of filtration process to be replaced or during clean and maintenance work, by water inlet pipe valve closing, and directly unclamp connecting the water inlet pipe screw thread with the upper groove water inlet tube interface of subsurface infiltration processing means, individually dig out the device that this subsurface infiltration processes, and do not affect other device units.
The further scheme of using method of the present invention is: when the later stage needs increase to process sewage quantity, as required, needs can be met, it is not necessary to the device processing original subsurface infiltration is modified by the simple reformation of the sparge pipe in subsurface infiltration sewage disposal system engineering the device quantity of place increase subsurface infiltration process around.
By using the technical scheme of above-mentioned using method, the invention has the beneficial effects as follows: easy to maintenance, in actual applications, owing to there is mutual independence between multiple apparatus of the present invention, when the phenomenon such as local soil blocking, device breakage occurs, can keep in repair for separate unit the most at any time, solve tradition subsurface wastewater infiltration system water distribution pipe network and be interconnected into as entirety, it is impossible to a difficult problem for maintenance.
Below in conjunction with the accompanying drawings the present invention is described further.
Accompanying drawing explanation
Fig. 1 is the axonometric chart of embodiment of the present invention device；
Fig. 2 is the upper groove detonation configuration schematic diagram of Fig. 1；
Fig. 3 is the lower groove structure schematic diagram of Fig. 1；
Fig. 4 is the sectional view of the embodiment of the present invention.
Detailed description of the invention
nullAs Figure 1-Figure 4，One is applicable to underground sewage percolating processing means,Include groove 1、Lower groove 2、Water inlet pipe 3 and ventilation duct 4 are constituted，The square with the axis cross section of described upper groove 1 is semicircle，Upper groove 1 is by fiberglass、PE、PP or PVC one is compressing，Upper groove 1 axial length is 1-2 m、The height of upper groove 1 arch is 25-30cm、The width of upper groove 1 bottom surface is 25-35cm，The bottom of upper groove 1 is provided with lattice support plate 11，This lattice support plate 11 somewhat aperture is more than 1cm，Its lap of upper groove 1 is sealing surface，Upper groove 1 upper side is provided with water inlet tube interface 12，Connect on interface 12 and have water inlet pipe 3，Interface 12 spins with water inlet pipe 3 screw thread，It is provided with water distributor 13 at upper groove 1 inner distance top 2-4 cm，Vent 14 is had at the 2-3 cm of the two sides distance grid gripper shoe of upper groove 1 length direction，Connect on vent 14 and have ventilation duct 4，Upper groove 1 is internal fills light ceramic or the plastic biologic packing material 15 that particle diameter is 2-3 cm，The shape of described lower groove 2 is similar to upper groove 1 shape，And lower groove cell body than upper groove cell body wide 3-5 cm for draining，Lower groove 2 is by fiberglass、PE、PP or PVC one is compressing，The internal sand 21 filling 20-100 mesh of lower groove 2，Upper groove 1 and lower groove 2 are harmonious setting by sole.
In the present embodiment, described water inlet pipe 3 is seven font pipe fittings 3, the height of water inlet pipe 3 is 10-12 cm, a length of 20-25 cm, the mouth of pipe of seven font pipe fitting 3 short transverse lower ends is connected with the water inlet tube interface 12 of upper groove 1, and the end of seven font pipe fitting 3 length directions can be connected with external sparge pipe, it is provided with flow control valve 31 on described seven font pipe fitting 3 length directions, described ventilation duct 4 is seven font bend pipes, and the height of ventilation duct 4 is 55-60 cm, a length of 5-8 cm.
In the present embodiment, four sides bottom described upper groove 1 are provided with installation sole 16, perforate on sole 16, what the upside of described lower groove 2 was corresponding be provided with four installs soles 22, realizing removably connecting by above-mentioned installation sole 12,22 on upper groove 1 and lower groove 2, described water inlet tube interface 12 is arranged on the middle part on the upside of groove 1.
Using method embodiment of the present invention, described subsurface infiltration processing means is in subsurface infiltration sewage disposal system engineering, subsurface infiltration processes and is evenly arranged according to the spacing of 1-1.5 m, subsurface infiltration processing means embedment below ground, water inlet tube interface 12 above upper groove 1 is concordant with soil ground, water inlet pipe 3 bassets setting, and water inlet pipe 3 is connected with the distribution system of water supply in subsurface infiltration sewage disposal system engineering, and it is internal by the distribution system of water supply, sewage to inject upper groove 1.When causing filtration process device to settle because of surface subsidence, sluicing etc., water inlet pipe 3 is directly adjusted by the level height difference according to water inlet pipe 3 pipe end face with the screw thread being connected at water inlet tube interface 12, consistent to guarantee the elevation of the water inlet pipe 3 pipe top plane of each filtration process device, it is ensured that the uniformity of water inlet.When needs improve system performance, by the flow control valve 31 on water inlet pipe 3, the discharge of sewage entering subsurface infiltration processing means can be controlled, regional area is made to enter sewage quantity big formation anaerobism interval, and another part region is without the aerobic interval of the little formation of sewage or sewage quantity, make in subsurface wastewater infiltration system plane to be differently formed multiple aerobic/anaerobic unit alternately according to setting position, it is provided that the disposal ability of system.When being required for individually descending filtration process device to be replaced or during the maintenance work such as cleaning, water inlet pipe valve 31 can be closed, and directly unclamp connecting the water inlet pipe 3 screw thread with upper groove 1 water inlet tube interface 12 of subsurface infiltration processing means, individually dig out this subsurface infiltration processing means, and do not affect other device units.When the later stage needs increase to process sewage quantity, can be as required, by the simple reformation of the sparge pipe in subsurface infiltration sewage disposal system engineering and around place increase subsurface infiltration processing means quantity and can meet needs, it is not necessary to original subsurface infiltration processing means is modified.
One specific embodiment of this device: use apparatus of the present invention to process sanitary sewage in village of north of the city township, Yueqing City.This village totally 200 people, adding up to daily output crude sewage amount is 20 tons, and sewage is aggregated into the process site of gateway of the village by pipe network after being collected.Site floor space 160 m2Employ 40 apparatus of the present invention altogether, device embedment subsurface wastewater infiltration system below ground, above upper groove, the water inlet tube interface of center is concordant with soil ground, device is arranged according to 10 row 4 row, between each device, spacing is 1m, is connected by the PE distribution main of a DN110, and be connected in the water inlet pipe of device by the PE range pipe of DN50 between 2 array apparatus.
nullThe a length of 2m of invention device that the present embodiment uses，Device uses fiberglass to make，Upper groove is semicircle，It is highly 25 cm、Width is 30cm，The bottom of upper groove is the detachable plastic mesh-supported plate that perforate is more than 1cm，Upper groove top center position is provided with the fiberglass water inlet tube interface of the DN50 that height is 30 cm，Screw thread is had inside interface，Bilateral threaded PE plastics can be connected direct，The water distributor of DN50 it is provided with at upper groove upper inside distance top about 2 cm，Water distributor length is consistent with upper slot length，Seal at the left and right sides side plate of upper groove，The hole of a diameter of 0.5 mm is had for water distribution every 5cm bottom water distributor，The vent that sum is 8 DN50 is had bottom two lateral extents at 2 cm before and after upper groove，For connecting ventilation duct，Upper groove is internal fills the plastic biologic packing material that particle diameter is 2-3 cm，Four sides of upper trench bottom have long 10 cm、Thick 2cm、The sole of wide 2.5 cm，The hole of a diameter of 1cm is opened on sole，Can be bolted with lower groove sole.The lower groove of device is semicircular structure, material is fiberglass, a length of 2 m, height are 25 cm, width is 35cm, the internal sand filling 100 mesh of lower groove, four sides at lower groove top have long 5 cm, thick 2cm, the sole of wide 2.5 cm, open the hole of a diameter of 1cm on sole, can be bolted with upper groove.The water inlet pipe of device is the PE seven font pipe fitting of DN50, it is highly 10 cm, a length of 20 cm, screw thread is had inside the mouth of pipe of seven font pipe fitting vertical direction lower ends, it is connected by the water inlet pipe mouth of direct and upper groove top center position, seven sub-line pipe fitting horizontal directions are connected with sparge pipe, and arrange flow control valve in the horizontal direction.The ventilation duct of device is the PVC seven font bend pipe of DN50, and height is 55 cm, length 5 cm.
The subsurface wastewater infiltration system using apparatus of the present invention regulates the pipe top level of a water distributor every half a year, when water outlet level is inconsistent, is directly regulated by screw thread, and the level making water distribution is consistent.When device uses, use Artificial Control, valve can be opened or closed when needed.Using the subsurface wastewater infiltration system of apparatus of the present invention, its water outlet has reached the one-level emission standard A of regulation in " urban wastewater treatment firm pollutant emission standard " (GB18918-2002).
Claims (8)
- null1. one kind is applicable to the device that underground sewage percolating processes,It is characterized in that: include groove、Lower groove、Water inlet pipe and ventilation duct，The square with the axis cross section of described upper groove is semicircle，Upper groove is by fiberglass、PE、PP or PVC one is compressing，Upper fluted shaft to a length of 1-2 m、The height that upper groove arches is 25-30cm、The width of upper groove bottom is 25-35cm，The bottom of upper groove is provided with lattice support plate，Through-hole aperture on this lattice support plate is more than 1cm，Its lap of upper groove is sealing surface，Upper groove upper side is provided with water inlet tube interface，Connect on interface and have water inlet pipe，Interface spins with water inlet pipe screw thread，It is provided with water distributor at upper groove inner distance top 2-4 cm，Vent is had at the 2-3 cm of the two sides distance grid gripper shoe in upper slot length direction，Connect on vent and have ventilation duct，Upper groove is internal fills light ceramic or the plastic biologic packing material that particle diameter is 2-3 cm，The shape of described lower groove is identical with upper groove，And lower groove cell body is than the upper wide 3-5 of groove cell body Cm is for draining, and lower groove is the most compressing by fiberglass, PE, PP or PVC one, the internal sand filling 20-100 mesh of lower groove, and upper groove and lower groove are harmonious setting by sole.
- It is applicable to the device that underground sewage percolating processes the most according to claim 1, it is characterized in that: water inlet pipe is seven font pipe fittings, the height of water inlet pipe is 10-12 cm, a length of 20-25 cm, the mouth of pipe of seven font pipe fitting short transverse lower ends is connected with the water inlet tube interface of upper groove, the end in seven font tubular length directions is connected with external sparge pipe, it is provided with flow control valve on described seven font tubular length directions, described ventilation duct is seven font bend pipes, the height of ventilation duct is 55-60 cm, a length of 5-8 cm.
- The device being applicable to underground sewage percolating process the most according to claim 1 or claim 2, it is characterized in that: four sides of described upper trench bottom are provided with installation sole, perforate on sole, what the upside of described lower groove was corresponding be provided with four installs soles, realizing removably connecting by above-mentioned installation sole on upper groove and lower groove, described water inlet tube interface is arranged on the middle part on the upside of groove.
- 4. the using method of the device processed according to the subsurface infiltration described in claim 1, it is characterized in that: the device that described subsurface infiltration processes is in subsurface infiltration sewage disposal system engineering, the device that subsurface infiltration processes is evenly arranged according to the spacing of 1-1.5 m, the device embedment below ground that subsurface infiltration processes, water inlet tube interface above upper groove is concordant with soil ground, water inlet pipe bassets setting, water inlet pipe is connected with the distribution system of water supply in subsurface infiltration sewage disposal system engineering, and is injected inside upper groove by sewage by the distribution system of water supply.
- The using method of the device that subsurface infiltration the most according to claim 4 processes, it is characterized in that: when causing filtration process device to settle because of surface subsidence, sluicing, water inlet pipe is directly adjusted by the level height difference according to water inlet pipe pipe end face with the screw thread being connected at water inlet tube interface, consistent to guarantee the elevation of the water inlet pipe pipe top plane of the device of each filtration process, it is ensured that the uniformity of water inlet.
- The using method of the device that subsurface infiltration the most according to claim 4 processes, it is characterized in that: when needs improve system performance, by the flow control valve on water inlet pipe, the discharge of sewage entering subsurface infiltration processing means is controlled, regional area is made to enter sewage quantity big formation anaerobism interval, and another part region is without the aerobic interval of the little formation of sewage or sewage quantity, make in subsurface wastewater infiltration system plane to be differently formed multiple aerobic/anaerobic unit alternately according to setting position, it is provided that the disposal ability of system.
- The using method of the device that subsurface infiltration the most according to claim 4 processes, it is characterized in that: when being required for individually descending the device of filtration process to be replaced or during clean and maintenance work, by water inlet pipe valve closing, and the screw thread connecting the upper groove water inlet tube interface of the device that water inlet pipe processes with subsurface infiltration is directly unclamped, individually dig out this subsurface infiltration processing means, and do not affect other device units.
- The using method of the device that subsurface infiltration the most according to claim 4 processes, it is characterized in that: when the later stage needs increase to process sewage quantity, as required, needs can be met, it is not necessary to the device processing original subsurface infiltration is modified by the simple reformation of the sparge pipe in subsurface infiltration sewage disposal system engineering the device quantity of place increase subsurface infiltration process around.
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