CN104193100B - A kind of greening wall device and using method thereof with sewage treatment function - Google Patents

A kind of greening wall device and using method thereof with sewage treatment function Download PDF

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CN104193100B
CN104193100B CN201410457405.8A CN201410457405A CN104193100B CN 104193100 B CN104193100 B CN 104193100B CN 201410457405 A CN201410457405 A CN 201410457405A CN 104193100 B CN104193100 B CN 104193100B
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processing module
module
storage cistern
sewage
wall
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CN104193100A (en
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郑向勇
张业健
程天行
严立
赵敏
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Wenzhou University
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Wenzhou University
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Abstract

The present invention relates to environmental project technical field of sewage, refer to especially a kind of greening wall device and using method thereof with sewage treatment function. apparatus of the present invention adopt following scheme: a kind of greening wall device with sewage treatment function, it is characterized in that: include wall frame, grid oil interceptor, circulation line, storage cistern catchments, liquid level induction controller, biomembrane processing module, secondary draining processing module, discharge pipe line, deodorizing plant module, overflow drip irrigation pipeline and surface of wall processing module form, by adopting such scheme, the present invention overcomes the problem that prior art exists, provide one to reach and properly process neighboring buildings generation sewage nearby, long apart from pipe network without laying, do not occupy a large amount of vacant lot, can transform for existing body of wall, green coverage is provided, realize the greening wall device with sewage treatment function of many benefits such as sewage recycling.

Description

A kind of greening wall device and using method thereof with sewage treatment function
Technical field
The present invention relates to environmental project technical field of sewage, refer to especially a kind of greening wall device and using method thereof with sewage treatment function.
Technical background
The current municipal sewage treatment pattern of China adopts the unified pattern focusing on of sewage network substantially, although it is stable that this pattern has treatment effect, the advantages such as treating capacity is large, but exist sewage network construction cost high simultaneously, mud is difficult to process, be difficult to realize the shortcomings such as sewage recycling utilization, particularly gather for some networks of waterways of China, topographical elevation difference is large, ground features as poor geologic condition, the transformation larger old urban area of difficulty, the area such as rural area and samll cities and towns that pollution sources disperse, build its difficulty of sewage network that collection efficiency is high larger, therefore, for above-mentioned area, without laying the long sewage apart from pipe network, disposal and utilization technology is extremely urgent on the spot in exploitation. on the other hand, there is source for above-mentioned sewage, often exist and can utilize the shortcomings such as spatial content is limited, therefore, need the unconventional spatial construction sewage treatment facility of abundant existing building, to reduce floor space as far as possible, can not impact environment simultaneously.
Summary of the invention
The present invention overcomes the problem that prior art exists, provide a kind of reach properly process nearby neighboring buildings produce sewage, without lay long apart from pipe network, do not occupy a large amount of vacant lot, can transform, provide green coverage for existing body of wall, realize greening wall device and the using method thereof with sewage treatment function of many benefits such as sewage recycling.
For achieving the above object, apparatus of the present invention adopt following scheme: a kind of greening wall device with sewage treatment function, it is characterized in that: include wall frame, grid oil interceptor, circulation line, storage cistern catchments, liquid level induction controller, biomembrane processing module, secondary draining processing module, discharge pipe line, deodorizing plant module, overflow drip irrigation pipeline and surface of wall processing module form, wherein grid oil interceptor connects with the storage cistern that catchments, catchment storage cistern by forming circulation between circulation line and biomembrane processing module, liquid level induction controller is arranged on and catchments on storage cistern, catchment and be provided with discharge pipe line between storage cistern and secondary draining processing module, the water that the control of liquid level induction controller is catchmented in storage cistern by discharge pipe line discharged to secondary draining processing module, overflow drip irrigation pipeline is arranged in secondary draining processing module, the water overflowing in secondary draining processing module by overflow drip irrigation pipeline discharged to surface of wall processing module.
The further setting of greening wall device of the present invention is: described biomembrane processing module, deodorizing plant module and secondary draining processing module are arranged on wall frame inside, described surface of wall processing module is arranged on the outside of wall frame, the mutual separation that the barrier material that wherein biomembrane processing module, deodorizing plant module and secondary draining processing module are 2-5cm by thickness forms also keeps separate framework, and surface of wall processing module includes the housing that thickness is the barrier material formation of 2-5cm.
The further setting of greening wall device of the present invention is: described grid oil interceptor includes reservoir body and grid, grid is spaced apart cavity volume, on grid, be provided with the grizzly bar that spacing is 0.2-0.5cm, the width of described biomembrane processing module, deodorizing plant module and secondary draining processing module is 10-50cm, the height of secondary draining processing module, circulating biological film processing module and deodorizing plant module sum is 1.5-2m, deodorizing plant module height is 10-30cm, and biomembrane processing module ton water capacity is 0.5-1.5m3Module/ton, deodorizing plant module ton water capacity is 0.05-0.5m3Module/ton, the ton water capacity of secondary draining processing module is 2m3Module/more than ton.
The further setting of greening wall device of the present invention is: the water inlet pipe of described circulation line is connected to the storage cistern that catchments apart from 20-30cm place, bottom, the water outlet of circulation line is evenly distributed on the filling surface on biomembrane processing module top, described surface of wall processing module is multilayer parallel structure and is fixedly installed on body of wall surrounded surface, width is 5-20cm, be highly 10-30cm, ton water capacity is 2-2.5m3Module/ton, the vermiculite that inner filling particle diameter is 0.5-1cm is or/and perlite, fill planting plants on particle diameter, between levels surface of wall processing module, be spaced apart 10-30cm, filler in described biomembrane processing module is cellularpiston filler, spherical plastic filler, gravel, one or more in slag, the particle diameter of filler is 3-5cm, described biomembrane processing module bottom has the passage for sewage disposal required air is provided to biomembrane processing module, the filler that described deodorizing is processed in plant module is granular activated carbon or zeolite, the particle diameter of granular activated carbon or zeolite is 1-5cm, deodorizing is processed plant module bottom and is offered porose, top planting plants, filler in described secondary draining processing module is gravel or slag filler, the particle diameter of filler is 3-5cm, the surface grafting plant of secondary draining processing module.
The technical scheme of the using method of greening wall device of the present invention is: described grid oil interceptor and the storage cistern that catchments are buried structure, described biomembrane processing module, secondary draining processing module, deodorizing plant module and surface of wall processing module are the device feature on top, ground, are integrated into the greening wall device of integral type.
The further technical scheme of the using method of greening wall device of the present invention is: described sewage is after collecting, first after processing by grid oil interceptor, be drained into and catchment in storage cistern, in storage cistern, enter into biomembrane processing module circular treatment and be back to the storage cistern that catchments by circulation line catchmenting, then in the time that the sewage catchmenting in storage cistern reaches a certain amount of, by the control of liquid level induction controller, and be discharged to the processing of secondary draining processing module by discharge pipe line, finally by crossing secondary draining processing module sewage after treatment by overflow drip irrigation pipeline, evenly be dispensed onto in surface of wall processing module, qualified discharge after the final processing of surface treatment module.
The further technical scheme of the using method of greening wall device of the present invention is: the hydraulic detention time of sewage in grid oil interceptor is at 2-4 hour, sewage is 1.5-3 days in the time of staying of catchmenting in storage cistern, the water inlet pipe of described circulation line is apart from the storage cistern bottom 30cm that catchments, the water outlet of circulation line is evenly distributed on the surface of circulating biological film processing module top filler, and set its opening time by the circulating pump controller of circulation line, circulating working time and frequency service condition, the type selecting of circulating pump and operation controlled condition be must make its quantity of circulating water be collect sewage quantity every day 1-3 doubly.
The further technical scheme of the using method of greening wall device of the present invention is: described in the water outlet of catchmenting in storage cistern be disposed to the bottom of secondary draining processing module, the open and close of the draining pump in discharge pipe line are by the liquid level induction controller control arranging in the storage cistern that catchments, in the time that the water level catchmenting in storage cistern reaches draining induction level, opening water discharge pump drainage, in the time that liquid level drops to only discharge opeing position, close draining pump and stop draining, the displacement of fluid level control device control is to collect sewage quantity every day.
By adopting such scheme, reach following effect:
One, can be by in-situ treatment rear discharge up to standard nearby after the sewage collecting in building, the shortcoming such as the construction cost of having avoided the extensive sewage collecting pipe network of traditional wastewater tupe construction to bring is high, operation maintenance is difficult, transformation difficulty is large;
Two, traditional sewage treatment facility is designed to wall apparatus, takes full advantage of nontraditional space, reduce the occupation of land contradiction of sewage treatment facility;
Three, by specific structure, make more than sewage treatment facility ground all parts be plant and cover, not only beautified environment, and to purifying air, building energy conservation etc. is all beneficial;
Four, the design of module can make this device expand at any time as required treatment scale or minimizing scale, have the feature of flexible operation, and the structure of modular is convenient to operation maintenance;
Five, the treatment effect of the present embodiment is good, and effluent quality can reach one-level A mark, can be back to flush the toilet, carwash, greening etc., realized the reuse of water resource;
Six, the operation power consumption of this device is only the electricity charge of circulating pump and draining pump, has the advantages such as operating cost is low;
Below in conjunction with accompanying drawing, the invention will be further described.
Brief description of the drawings
Fig. 1 is the structural representation of the embodiment of the present invention.
Detailed description of the invention
A kind of greening wall device with sewage treatment function, include wall frame 1, grid oil interceptor 2, circulation line 3, storage cistern 4 catchments, liquid level induction controller 5, biomembrane processing module 6, secondary draining processing module 7, discharge pipe line 8, deodorizing plant module 9, overflow drip irrigation pipeline 10 and surface of wall processing module 11 form, wherein grid oil interceptor 2 connects with the storage cistern 4 that catchments, catchment storage cistern 4 by forming circulation between circulation line 3 and biomembrane processing module 6, liquid level induction controller 5 is arranged on and catchments on storage cistern 4, catchment and be provided with discharge pipe line 8 between storage cistern 4 and secondary draining processing module 7, liquid level induction controller 5 control the water catchmenting in storage cistern 4 by discharge pipe line discharged to secondary draining processing module 7, overflow drip irrigation pipeline 10 is arranged in secondary draining processing module 7, the water overflowing in secondary draining processing module 7 by overflow drip irrigation pipe 10 tunnels discharged to surface of wall processing module 11.
In embodiments of the present invention, described biomembrane processing module 6, deodorizing plant module 9 are arranged on wall frame 1 inside with secondary draining processing module 7, described surface of wall processing module 11 is arranged on the outside of wall frame 1, the mutual separation that the barrier material that wherein biomembrane processing module 6, deodorizing plant module 9 and secondary draining processing module 7 are 2-5cm by thickness forms also keeps separate framework, and surface of wall processing module 11 includes the housing that thickness is the barrier material formation of 2-5cm.
In embodiments of the present invention, described grid oil interceptor 2 includes reservoir body 21 and grid 22, grid 22 is spaced apart cavity volume 21, on grid 22, be provided with the grizzly bar that spacing is 0.2-0.5cm, the width of described biomembrane processing module 6, deodorizing plant module 9 and secondary draining processing module 7 is 10-50cm, secondary draining processing module 7, circulating biological film processing module 6 are 1.5-2m with the height of deodorizing plant module 9 sums, deodorizing plant module 9 is highly 10-30cm, and 6 tons of water capacities of biomembrane processing module are 0.5-1.5m3Module/ton, 9 tons of water capacities of deodorizing plant module are 0.05-0.5m3Module/ton, the ton water capacity of secondary draining processing module 7 is 2m3Module/more than ton.
In embodiments of the present invention, the water inlet pipe of described circulation line 3 is connected to the storage cistern 4 that catchments apart from 20-30cm place, bottom, the water outlet of circulation line 3 is evenly distributed on the filling surface on biomembrane processing module 6 tops, described surface of wall processing module 11 is multilayer parallel structure and is fixedly installed on body of wall surrounded surface, width is 5-20cm, be highly 10-30cm, ton water capacity is 2-2.5m3Module/ton, the vermiculite that inner filling particle diameter is 0.5-1cm is or/and perlite, fill planting plants on particle diameter, between levels surface of wall processing module, be spaced apart 10-30cm, filler in described biomembrane processing module 6 is cellularpiston filler, spherical plastic filler, gravel, one or more in slag, the particle diameter of filler is 3-5cm, described biomembrane processing module 6 bottoms have the passage 61 for sewage disposal required air is provided to biomembrane processing module 6, the filler that described deodorizing is processed in plant module 9 is granular activated carbon or zeolite, the particle diameter of granular activated carbon or zeolite is 1-5cm, deodorizing is processed plant module 9 bottoms and is offered porose, top planting plants, filler in described secondary draining processing module 7 is gravel or slag filler, the particle diameter of filler is 3-5cm's, the surface grafting plant of secondary draining processing module.
In the embodiment of using method of the present invention, described grid oil interceptor 2 and the storage cistern 4 that catchments are for buried structure, described biomembrane processing module 6, secondary draining processing module 7, deodorizing plant module 9 and surface of wall processing module 11 are the device feature on top, ground, are integrated into the greening wall device of integral type, described sewage is after collecting, first after processing by grid oil interceptor 2, be drained into and catchment in storage cistern 4, in storage cistern 4, enter into biomembrane processing module 6 circular treatment and be back to the storage cistern 4 that catchments by circulation line 3 catchmenting, then in the time that the sewage catchmenting in storage cistern 4 reaches a certain amount of, control by liquid level induction controller 5, and be discharged to secondary draining processing module 7 by discharge pipe line 8 and process, finally by crossing secondary draining processing module 7 sewage after treatment by overflow drip irrigation pipeline 10, evenly be dispensed onto in surface of wall processing module 11, qualified discharge after the final processing of surface of wall processing module 11.
In the present invention, the hydraulic detention time of sewage in grid oil interceptor 2 is at 2-4 hour, sewage is 1.5-3 days in the time of staying of catchmenting in storage cistern 4, the water inlet pipe of described circulation line 3 is apart from catchmenting the storage cistern 4 about 30cm in bottom, the water outlet of circulation line 3 is evenly distributed on the surface of biomembrane processing module 6 top fillers, and set its opening time, circulating working time and frequency service condition by the circulating pump controller of circulation line 3, the type selecting of circulating pump and operation controlled condition be must make its quantity of circulating water be collect sewage quantity every day 1-3 doubly.
In the present invention, described water outlet of catchmenting in storage cistern 4 is disposed to the bottom of secondary draining processing module 7, the open and close of the draining pump in discharge pipe line 8 are controlled by the liquid level induction controller 5 arranging in the storage cistern 4 that catchments, in the time that the water level catchmenting in storage cistern 4 reaches draining induction level, opening water discharge pump drainage, in the time that liquid level drops to only discharge opeing position, to close draining pump and stop draining, the displacement that fluid level control device 5 is controlled is to collect sewage quantity every day.
Specific embodiment of the embodiment of the present invention: the sewage being produced taking rural area, Yueqing City of Zhejiang Province Du Hu family is as handling object, these kinsfolk 5 people, day sewage generating capacity is 0.5 ton, by reference to the accompanying drawings 1, use and the processing procedure of apparatus of the present invention are as follows: the kitchen waste water that this family collects, septic tank effluent, assorted draining etc. is collected by simple and easy pipe network, enter in grid oil interceptor 1, grid oil interceptor is imbedded under this resident family's courtyard greening place, construct and form by reinforced concrete earth concrete, size length × wide × height is 0.5 × 0.2 × 0.8m, and at inner medium position, the stainless steel grid that interval of grid strip is 5mm and length × thick × high 0.5m × 2mm × 0.8m of being is installed, the sewage time of staying is therein about 4h.
Through oil interceptor, sewage input after treatment is catchmented in storage cistern 3, the storage cistern that catchments is built and is formed by armored concrete, be embedded in this bottom, resident family's courtyard greening place, volume is 1.5m3, and size length × wide × height is 1.25 × 0.8 × 1.5m, and the intake of circulating pump and circulation line 2 is at the distance storage cistern 3 about 30cm places, bottom that catchment, the about 5W of circulation pump power, every day according to operation 20 hours, close down the mode of operation operation of 4 hours, quantity of circulating water 50L per hour, every day circulating sewage amount 1m3, in addition, circulating pump is arranged in ground distribution box, so that safeguard, circulation pipe utilizes the pvc pipe of DN15 to form.
The recirculated water that circulating pump and circulation line 2 extract is evenly distributed to the filling surface of biomembrane processing module 5 tops by circulation pipe. The concrete that biomembrane processing module surrounding periphery and bottom are 5cm by thickness is built into, top hollow, and inner effective dimensions length × wide × height is 2.0 × 0.2 × 1.2m, ton water capacity is about 1m3/ ton sewage. The plastic honeycomb filler that the inner filling of biomembrane processing module particle diameter is 3cm, bottom is provided with the false end and osculum, the processing water outlet of loop module is back to and is catchmented in storage cistern 3 by the circulation line of connection osculum, in addition, below loop module, arrange and be provided with according to the spacing of 50cm the air vent that diameter is 5cm.
On biomembrane processing module top; deodorizing plant module 8 is set; the concrete that deodorizing plant module 8 biomembrane processing module surrounding peripheries and bottom are 5cm by thickness is built into; its bottom evenly has according to 10cm interval the eyelet that aperture is 0.5cm; the granular activated carbon that inner filling particle diameter is 1cm; top planting plants, the effective dimensions length × wide × height of deodorizing plant module is 2.0 × 0.2 × 0.3m, the about 0.24m of ton water treatment volume3/ ton sewage, by the filler in biomembrane processing module and top growing plants, can remove the stink producing in above-mentioned sewage disposal process.
In storage cistern 3, be also provided with liquid level induction controller 4 catchmenting, the unlatching liquid level position of liquid level induction controller, apart from 0.9m place, bottom, pond, stops liquid level position at 1.4m place bottom pond.
The draining pump of controlling by liquid level induction controller 4 and discharge pipe line 7, according to the liquid level situation of change draining of catchmenting in storage cistern 3, each displacement 0.5m3, draining pump power is 25w, the about 500L of displacement per hour, and draining pump is arranged in distribution box above the ground, is convenient to control, and drainpipe utilizes the pvc pipe of DN15 to form, and is passed into the bottom of secondary draining processing module 6.
The concrete that secondary draining processing module 6 surrounding peripheries and bottom are 5cm by thickness is built into, and effective dimensions length × wide × height is 3.5 × 0.2 × 1.5m, the about 2m of ton water treatment volume3/ ton sewage, the gravel that its inner filling particle diameter is 3cm, top plantation landscape plant, the sewage being entered by draining pump and discharge pipe line 7 is from the bottom of secondary draining processing module 6 enters, in module with the mode of the upward flow filling surface of flowing through, after filler and botanical system processing, flow to the overfall of offering apart from secondary draining processing module 6 about 3cm places, top and enter overflow drip irrigation pipeline 9, divide equally and be distributed in surface of wall processing module 10 by drip irrigation pipeline, overflow drip irrigation pipeline 9 is made up of the pvc pipe of DN15, its drip irrigation part evenly opens according to the spacing of 15cm the drip irrigation hole that diameter is 1cm.
The plastic containers that surface of wall processing module 10 is 3cm by thickness form, each plastic containers bottom evenly has the osculum of aperture 0.5cm according to interval 20cm, single effective dimensions is that length × wide × height is 5.5 × 0.1 × 0.2m, be fixed on above-mentioned surface of wall by swell fixture, arrange according to every interlamellar spacing 30cm, be 3 layers of surface of wall processing module 10 of the above-mentioned body of wall each layout in inside and outside both sides, sewage is uniform in module by being arranged on the overflow drip irrigation pipeline 9 at the superiors' surface of wall processing module 10 middle parts, in module, after further purified treatment, be pooled in the gutter of enclosure wall bottom and flow in the original escape canal of building.
The sewage disposal power consumption of the present embodiment is low, it is only the operating cost of two water pumps, approximately 0.07 yuan of ton cost of water treatment, water outlet can reach one-level A mark, utilize original enclosure wall in this resident family's garden to transform, substantially do not take up an area separately, and after operation after a while, the landscape plant of growing is covered with enclosure wall, has realized beautification of landscape.

Claims (7)

1. one kind has the greening wall device of sewage treatment function, it is characterized in that: include wall frame, grid oil interceptor, circulation line, storage cistern catchments, liquid level induction controller, biomembrane processing module, secondary draining processing module, discharge pipe line, deodorizing plant module, overflow drip irrigation pipeline and surface of wall processing module form, wherein grid oil interceptor connects with the storage cistern that catchments, catchment storage cistern by forming circulation between circulation line and biomembrane processing module, liquid level induction controller is arranged on and catchments on storage cistern, catchment and be provided with discharge pipe line between storage cistern and secondary draining processing module, the water that the control of liquid level induction controller is catchmented in storage cistern by discharge pipe line discharged to secondary draining processing module, overflow drip irrigation pipeline is arranged in secondary draining processing module, the water overflowing in secondary draining processing module by overflow drip irrigation pipeline discharged to surface of wall processing module, described biomembrane processing module, deodorizing plant module and secondary draining processing module are arranged on wall frame inside, described surface of wall processing module is arranged on the outside of wall frame, wherein biomembrane processing module, the barrier material that deodorizing plant module and secondary draining processing module are 2-5cm by thickness forms mutual separation and keeps separate framework, surface of wall processing module includes the housing that thickness is the barrier material formation of 2-5cm, described surface of wall processing module is multilayer parallel structure and is fixedly installed on body of wall surrounded surface, width is 5-20cm, be highly 10-30cm, ton water capacity is 2-2.5m3Module/ton, inner fills the vermiculite that particle diameter is 0.5-1cm or/and perlite is filled planting plants on particle diameter, between levels surface of wall processing module, is spaced apart 10-30cm.
2. the greening wall device with sewage treatment function according to claim 1, it is characterized in that: described grid oil interceptor includes reservoir body and grid, grid is spaced apart cavity volume, on grid, be provided with the grizzly bar that spacing is 0.2-0.5cm, described biomembrane processing module, the width of deodorizing plant module and secondary draining processing module is 10-50cm, secondary draining processing module, the height of circulating biological film processing module and deodorizing plant module sum is 1.5-2m, deodorizing plant module height is 10-30cm, biomembrane processing module ton water capacity is 0.5-1.5m3Module/ton, deodorizing plant module ton water capacity is 0.05-0.5m3Module/ton, the ton water capacity of secondary draining processing module is 2m3Module/more than ton.
3. the greening wall device with sewage treatment function according to claim 2, it is characterized in that: the water inlet pipe of described circulation line is connected to the storage cistern that catchments apart from 20-30cm place, bottom, the water outlet of circulation line is evenly distributed on the filling surface on biomembrane processing module top, filler in described biomembrane processing module is cellularpiston filler, spherical plastic filler, gravel, one or more in slag, the particle diameter of filler is 3-5cm, described biomembrane processing module bottom has the passage for sewage disposal required air is provided to biomembrane processing module, the filler that described deodorizing is processed in plant module is granular activated carbon or zeolite, the particle diameter of granular activated carbon or zeolite is 1-5cm, deodorizing is processed plant module bottom and is offered porose, top planting plants, filler in described secondary draining processing module is gravel or slag filler, the particle diameter of filler is 3-5cm's, the surface grafting plant of secondary draining processing module.
4. the using method of the greening wall device with sewage treatment function according to claim 1, it is characterized in that: described grid oil interceptor and the storage cistern that catchments are buried structure, described biomembrane processing module, secondary draining processing module, deodorizing plant module and surface of wall processing module are the device feature on top, ground, are integrated into the greening wall device of integral type.
5. the using method of greening wall device according to claim 4, it is characterized in that: described sewage is after collecting, first after processing by grid oil interceptor, be drained into and catchment in storage cistern, in storage cistern, enter into biomembrane processing module circular treatment and be back to the storage cistern that catchments by circulation line catchmenting, then in the time that the sewage catchmenting in storage cistern reaches a certain amount of, by the control of liquid level induction controller, and be discharged to the processing of secondary draining processing module by discharge pipe line, finally by crossing secondary draining processing module sewage after treatment by overflow drip irrigation pipeline, evenly be dispensed onto in surface of wall processing module, qualified discharge after the final processing of surface treatment module.
6. the using method of greening wall device according to claim 5, it is characterized in that: the hydraulic detention time of sewage in grid oil interceptor is at 2-4 hour, sewage is 1.5-3 days in the time of staying of catchmenting in storage cistern, the water inlet pipe of described circulation line is apart from the storage cistern bottom 30cm that catchments, the water outlet of circulation line is evenly distributed on the surface of circulating biological film processing module top filler, and set its opening time by the circulating pump controller of circulation line, circulating working time and frequency service condition, the type selecting of circulating pump and operation controlled condition be must make its quantity of circulating water be collect sewage quantity every day 1-3 doubly.
7. the using method of greening wall device according to claim 6, it is characterized in that: described in the water outlet of catchmenting in storage cistern be disposed to the bottom of secondary draining processing module, the open and close of the draining pump in discharge pipe line are by the liquid level induction controller control arranging in the storage cistern that catchments, in the time that the water level catchmenting in storage cistern reaches draining induction level, opening water discharge pump drainage, in the time that liquid level drops to only discharge opeing position, close draining pump and stop draining, the displacement of fluid level control device control is to collect sewage quantity every day.
CN201410457405.8A 2014-09-10 2014-09-10 A kind of greening wall device and using method thereof with sewage treatment function Active CN104193100B (en)

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