CN208617510U - The preposition purification system of agricultural run-off drain moduleization - Google Patents
The preposition purification system of agricultural run-off drain moduleization Download PDFInfo
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Abstract
The utility model proposes a kind of preposition purification systems of agricultural run-off drain moduleization, its structure includes runoff braiding channel, filter core, filter core pedestal, backwash water inlet pipe and drainage ditch, plurality of filter core is installed on filter core pedestal, filter core pedestal is installed on the side of drainage ditch, runoff braiding channel is arranged along filter core periphery, and backwash water inlet pipe is located at filter core chassis interior.The advantages of the utility model: 1) system uses modularized design, construction is simple, high reliablity；2) filter core uses the backwashing function of optimization design, can greatly prolong the service life of filter core；3) filler can be replaced individually in filter core or filter core, and system operation, maintenance cost are low；4) filter core is installed using specific pattern of rows and columns, greatly improves space utilization rate, increases system purification efficiency.
Description
Technical field
The utility model relates to a kind of preposition purification systems of agricultural run-off drain moduleization, belong at the water pollution of farmland
Manage technical field.
Background technique
East China Farmland amount of application of nitrogen fertilizer is high, and the nitrogenous fertilizer that studies have shown that applies farmland, which only has 10% ~ 50%, to be made
Object is absorbed and utilized, and the nutriments such as remaining unabsorbed nitrogen, phosphorus enter environment by all means, causes serious farmland
Pollution of area source problem.Agricultural run-off brings the nitrogen of water body into, phosphorus has become one of the primary pollution source in China river, lake.
In order to control agricultural non -point pollution influence caused by water body, in the prior art using include artificial swamp engineering,
The multiple technologies scheme such as Riparian Buffer Zone control and ecological canal purification.Shore bank vegetation buffer strip is as water body and adjacent to highland
Intermediate zone can effectively reduce nutrient concentrations and the input quantity such as rainwash and ground subsurface flow nitrogen, phosphorus, reduce farmland
The nutriments such as nitrogen, phosphorus, which enter, closes on water body.Such as application No. is 201310274115.5 patents of invention to disclose a kind of purification
The ecology filter bank construction method of Farmland Flow Pollution, this method are selected between farmland and river with a distance from river 15-20 m
Region constructs a kind of novel filter bank, but buffer strip needs to occupy large area soil, and in China, current distributing plantation is leading
It is difficult to be promoted and applied under cropping pattern.Application No. is 200410014935.1 applications for a patent for invention to disclose a kind of farmland
Ecological intercepting canalization, the channel by being planted on the honeycomb plate of two walls and bottom to the plant of nitrogen, phosphorus high-selenium corn,
And Rose Box is placed in channel, to reduce the nitrogen into river water body, phosphorus concentration.Ecological canal slows down water to a certain extent
Flow velocity degree increases the residence time of agricultural drain, and in the lesser situation of agricultural run-off water, clean-up effect is preferable, but works as
When runoff water increases, ecological canal can be remarkably decreased the purification efficiency of nitrogen, phosphorus.
Summary of the invention
The purpose of the utility model is to provide a kind of design, construction is simple, agricultural run-off drain module easy to maintain
Preposition purification system mitigates agricultural non -point pollution to reduce the concentration of the pollutants such as nitrogen, phosphorus, pesticide in canal agricultural run-off water
Load.Overcome the shortcomings of existing agricultural non -point pollution control technology in practical farmland construction application.
The technical solution of the utility model: the preposition purification system of agricultural run-off drain moduleization, structure include diameter
Adfluxion water channel, filter core, filter core pedestal, backwash water inlet pipe and drainage ditch, wherein filter core is installed on filter core pedestal, filter core pedestal
It is installed on the side of drainage ditch, runoff braiding channel is arranged along filter core periphery, and backwash water inlet pipe is located at filter core chassis interior.
The advantages of the utility model:
1) whole system uses modularized design, without the filter tank for building cement or concrete structure, construction is simple, reliably
Property it is high；
2) filter core uses the backwashing function of optimization design, uses parallel-connection structure between filter core, can pass through when filter-core back-flushing is washed
Mechanical stirring improves backwash efficiency and cleaning effect, greatly prolongs the service life of filter core；In agricultural run-off nonhazardous substance
Under the premise of, backwashing sewage water can be thrown into farmland, and the substances such as nitrogen, phosphorus in sewage can be recycled by field-crop；
3) filler can be replaced individually in filter core or filter core, part filter core block or can be individually replaced when something goes wrong or
It rinses, does not influence the normal work of entire preposition purification system, substantially reduce system operation expense；
4) filter core is installed using specific pattern of rows and columns, by specific filter core shape and corresponding pattern of rows and columns, with
Other agricultural run-off water purification systems are compared, and the utilization rate in space, the detergent power of the system of unit occupied area are greatly improved
It is stronger.
Detailed description of the invention
Attached drawing 1 is the structural schematic diagram of the preposition purification system of agricultural run-off drain moduleization.
Attached drawing 2 is the A-A sectional view of the preposition purification system structure of agricultural run-off drain moduleization in attached drawing 1.
Attached drawing 3 is the A-A sectional view of the preposition purification system top structure of agricultural run-off drain moduleization in attached drawing 2.
Attached drawing 4 is the B-B sectional view of the preposition purification system bottom structure of agricultural run-off drain moduleization in attached drawing 2.
Attached drawing 5 is the preposition purification system filter cartridge construction schematic diagram of agricultural run-off drain moduleization.
Attached drawing 6 is the A-A sectional view of the preposition purification system top structure of agricultural run-off drain moduleization in embodiment 2.
Attached drawing 7 is the A-A sectional view of the preposition purification system top structure of agricultural run-off drain moduleization in embodiment 3.
1 it is runoff braiding channel in figure, 2 be filter core, 3 be filter core pedestal, 4 be backwash water inlet pipe, 5 is drainage ditch；1-1 is
Blasthole, 1-2 are apopores；It is handle, 2-3 be central axis, 2-4 be sewage water inlet pipe, 2-5 is metal that 2-1, which is shell, 2-2,
It is backwash water inlet, 2-8 be filtering water outlet, 2-9 is filler that strainer, 2-6, which are backwash water distributor, 2-7,；3-1 is filtering
Outlet pipe, 3-2 are ponding chambers；It is central axis apopore, 2-3-3 is mudhole that 2-3-1, which is agitating paddle, 2-3-2,.
Specific embodiment
The preposition purification system of agricultural run-off drain moduleization, structure include runoff braiding channel 1, filter core 2, filter core pedestal 3,
Backwash water inlet pipe 4 and drainage ditch 5, plurality of filter core 2 are installed on filter core pedestal 3, and filter core pedestal 3 is installed on drainage ditch 5
Side, runoff braiding channel 1 is located inside filter core pedestal 3 along the setting of the periphery of filter core 2, backwash water inlet pipe 4, as shown in Figure 1.
The filter core 2 is in cylinder, and top is plane, and bottom is cone, and structural outer is equipped with shell 2-1, internal from upper
And it is washed including handle 2-2, central axis 2-3, sewage water inlet pipe 2-4, metal screen 2-5, backwash water distributor 2-6, recoil down
Mouth of a river 2-7 and filtering water outlet 2-8；It is equipped with multiple chambers inside filter core 2, is divided simultaneously between each chamber by metal screen 2-5
Equipped with filler 2-9, handle is installed on 2 top of filter core, facilitates the dismounting and installation of filter core 2；2 cylinder top planes of filter core can be circle
Shape or polygon, 2 quantity of filter core and spread geometry can be adjusted according to the practical runoff situation in farmland, as shown in Fig. 2, Fig. 5.
The central axis 2-3 is hollow structure, is located at 2 center of filter core, runs through each chamber in top, including agitating paddle 2-
3-1, central axis apopore 2-3-2 and mudhole 2-3-3；Central axis 2-3 is equipped with agitating paddle 2-3- in the bottom position of each chamber
1, central axis 2-3 can drive agitating paddle 2-3-1 to be stirred filler when rotating, and central axis 2-3 is at the close top of each chamber
Position is provided with central axis apopore 2-3-2, the bottom central axis 2-3 closing, when top is equipped with openable and closable circular hole as backwash
Mudhole 2-3-3, divide into respect of card slot not influencing water outlet status at the top of central axis 2-3, can connect external device manually or
Automatic Pivot axle 2-3.
The sewage water inlet pipe 2-4 is installed on 2 top of filter core, and one end connects the water supply network of runoff braiding channel 1, the other end
It connects inside filter core 2, sewage water inlet pipe 2-4 and 2 junction of filter core are equipped with switch.
The filtering water outlet 2-8 is located at 2 bottom of filter core, is ring structure, and annular center is backwash water inlet 2-7,
Backwashing water can be directly entered chamber by backwashing water inlet 2-7, and be backwashed by pressure to chamber, as shown in Figure 4.
Described backwash 4 one end of water inlet pipe is connect with the backwash water inlet 2-7 in filter core pedestal 3, the other end and outside
Supply equipment connection is backwashed, as shown in figs 2-4.
The filter core pedestal 3 is located at 2 lower part of filter core, is used for support filter core 2, collects, exhaust filtering water, supply backwash
Water, including filtering outlet pipe 3-1, ponding chamber 3-2 and backwash water inlet pipe 4；Filter core pedestal 3 is recessed with 2 place of docking of filter core, recess
Size and shape is corresponding with 2 bottom cone shape of filter core, equipped with backwash water inlet pipe 4 at Depression Centers；The recoil washes water
Pipe 4 is connect with the backwash water inlet 2-7 of 2 bottom of filter core, and connection structure is straight cutting connection；The filtering outlet pipe 3-1 and row
Water channel 5 connects, and filtered agricultural run-off water can be emitted into drainage ditch 5；The shape of filter core pedestal 3 can be according to filter core 2
Arranging situation is changed design, as shown in Figure 4.
For the runoff braiding channel 1 between filter core 2 and farmland, 1 one upper lateral part of runoff braiding channel is provided with blasthole 1-1 use
In collecting agricultural run-off water, another side bottom of runoff braiding channel 1 is provided with apopore 1-2, and 1 bottom of runoff braiding channel is filled with quartz
Sand, for carrying out primary filter to agricultural run-off water.
In actual use, the preposition purification system of agricultural run-off drain moduleization is mounted as a whole on field boundary drainage ditch 5
Side, one system of the corresponding installation in each piece of farmland；When system works, by rainfall or the runoff water generated is irrigated by blasthole
1-1 enters runoff braiding channel 1, flows out to the dirt of filter core 2 by apopore 1-2 after quartz sand primary filter in runoff braiding channel 1
Water water inlet pipe 2-4, sewage enter filter core 2 and pass sequentially through the indoor filler of each chamber, and runoff water after filtering is discharged by filtering
Mouth 2-8 flows into filter core pedestal 3, is expelled to drainage ditch 5 through filtering outlet pipe 3-1 after converging in filter core pedestal 3.
When system net water speed reduces, filter core 2 need to be backwashed, when backwash, first by the sewage at 2 top of filter core
The filtering outlet pipe 3-1 of water inlet pipe 2-4 and connection filter core pedestal 3 is closed, and opens the row at 2 top of backwash water inlet pipe 4 and filter core
Dirty hole can increase backwashing pump when backwashing when hydraulic pressure is too low in water inlet pipe 4, and backwashing water is washed through the recoil of 2 bottom of filter core
Mouth of a river 2-7 enters filter core 2, and the chamber in through filter core 2, and to filter core, 2 inner cavity chamber is backwashed, can while backwash
The card slot at the top of 2 central axis 2-3 of filter core is connected with external lever or motor, manually or automatically the central axis 2-3 of rotating filter element 2,
Agitating paddle 2-3-1 is driven to clean the filler inside filter core 2；When in agricultural run-off water without poisonous and harmful substance, it can incite somebody to action
The sewage flowed out in mudhole 2-3-3 is directly discharged to farmland；It is first opened after backwash and filters out water pipe 3-1, turned off
Mudhole 2-3-3 and backwash water inlet pipe 4, and sewage water inlet pipe 2-4 is opened, system is resumed work；When system net water speed passes through
When being still not improved after backwash, the filter core 2 for stopping state occur need to be proposed, replace the filler in filter core 2, or directly more
Change spare filter core.
The technical solution of the utility model is further illustrated below with reference to embodiment.
Embodiment 1
The preposition purification system of agricultural run-off drain moduleization, structure includes runoff braiding channel, filter core, filter core pedestal, anti-
Water inlet pipe and drainage ditch are rinsed, wherein filter core is installed on filter core pedestal, and filter core pedestal is installed on the side of drainage ditch, diameter adfluxion
Water channel is arranged along filter core periphery, and backwash water inlet pipe is located at filter core chassis interior.
As shown in figure 3, the filter core is in positive hexagonal column, top is plane, and bottom is cone, including shell, handle,
Central axis, sewage water inlet pipe, metal screen, backwash water distributor, backwash water inlet and filtering water outlet；It is equipped with inside filter core
Filler is divided by metal screen and be equipped with to multiple chambers between each chamber, and handle is installed on cartridge top, facilitates tearing open for filter core
Except with installation；Filter core seating depression shape is mutually suitable for that filter core group uses echelon formation cloth with filter core bottom regular hexagon cone
Office uses semi-hexagon shape (i.e. trapezoidal) structure close to the filter core section of braiding channel and drainage ditch metope, to guarantee to filter significant surface
Product maximizes.
Filter core inner cavity is divided into 6 chambers with metal screen, is followed successively by soil chamber from cartridge top to each chamber in bottom
Room, the second filtering chamber, backwash water distribution chamber, third filtering chamber, filters out water chamber, each chamber at the first filtering chamber
Height is successively are as follows: 12,15,15,3,5,6 cm are filled with filtering filler, the first filter chamber and the second mistake inside each filter chamber
10cm thickness quartz sand, partial size 0.3-1.0 cm, the work that the interior filling partial size of third filter chamber is 0.3-0.5 cm are filled in filter chamber
Property charcoal particle.
The central axis is hollow structure, is located at filter core center, runs through 3, top chamber, including agitating paddle, water outlet
Hole and mudhole；Central axis is equipped with agitating paddle in the bottom position of each chamber, and when central axis rotation can drive agitating paddle to filler
It is stirred, central axis is provided with apopore in the close top position of each chamber, and the closing of central axis bottom, top is equipped with retractable
Circular hole, can be used as mudhole when backwash, divide into respect of card slot at the top of central axis not influencing water outlet status, connect external
Device manually or automatically Pivot axle.
The sewage water inlet pipe is installed on cartridge top, and one end connects the water supply network of braiding channel, and the other end connects filter core
Inside, sewage water inlet pipe and filter core junction are equipped with switch.
The filtering water outlet is located at filter core bottom, is ring structure, and annular center is backwash water inlet, backwashing water
It can be directly entered chamber by backwashing water inlet, and chamber is backwashed by pressure.
Described backwash water inlet pipe one end is connect with the backwash water inlet in filter core pedestal, the other end and external backwash
Supply equipment connection.
The filter core pedestal is located at filter core lower part, is used for support filter core, collects, exhaust filtering water, supplies backwashing water, packet
Include filtering outlet pipe, ponding chamber and backwash water inlet pipe；Filter core pedestal is recessed with the filter core place of docking, recess size and shape and filter
Core bottom cone shape is corresponding, equipped with backwash water inlet pipe at Depression Centers；The backwash water inlet pipe is anti-with filter core bottom
Water inlet connection is rinsed, connection structure is straight cutting connection；The filtering outlet pipe is connect with drainage ditch, can be by filtered farmland
Runoff water is emitted into drainage ditch.
The runoff braiding channel is between filter core and farmland, and the one upper lateral part aperture of runoff braiding channel is for collecting farmland diameter
Flowing water, another side bottom of runoff braiding channel are provided with apopore, and braiding channel bottom is filled with quartz sand, for carrying out to agricultural run-off water
Primary filter.
Embodiment 2
The preposition purification system of agricultural run-off drain moduleization, structure includes runoff braiding channel, filter core, filter core pedestal, anti-
Water inlet pipe and drainage ditch are rinsed, wherein filter core is installed on filter core pedestal, and filter core pedestal is installed on the side of drainage ditch, diameter adfluxion
Water channel is arranged along filter core periphery, and backwash water inlet pipe is located at filter core chassis interior.
The square cylinder of filter core, top are plane, and bottom is cone, including shell, handle, central axis, sewage
Water inlet pipe, metal screen, backwash water distributor, backwash water inlet and filtering water outlet；Multiple chambers are equipped with inside filter core, respectively
Divide and be equipped with filler between chamber by metal screen, handle is installed on cartridge top, facilitates the dismounting and installation of filter core；Such as
Shown in Fig. 6, filter case shape uses the cylinder that is square of top surface, filter core seating depression shape and the positive rectangular pyramid in filter core bottom
Body Xiang Shiyi, filter core group use square or rectangular alignment placement.
Filter core inner cavity is divided into 6 chambers with metal screen, from cartridge top to each chamber in bottom be followed successively by soil chamber,
First filter chamber, the second filter chamber, backwash cloth water chamber, third filter chamber, filtering water chamber, each chamber height is successively are as follows: 12,
15,15,3,5,6 cm is filled with filtering filler inside each filter chamber, is filled in the first filter chamber and the second filter chamber
10cm thickness quartz sand, partial size 0.3-1.0 cm, the active carbon particle that the interior filling partial size of third filter chamber is 0.3-0.5 cm.
The central axis is hollow structure, is located at filter core center, runs through 3, top chamber, including agitating paddle, water outlet
Hole and mudhole；Central axis is equipped with agitating paddle in the bottom position of each chamber, and when central axis rotation can drive agitating paddle to filler
It is stirred, central axis is provided with apopore in the close top position of each chamber, and the closing of central axis bottom, top is equipped with retractable
Circular hole, can be used as mudhole when backwash, divide into respect of card slot at the top of central axis not influencing water outlet status, connect external
Device manually or automatically Pivot axle.
The sewage water inlet pipe is installed on cartridge top, and one end connects the water supply network of braiding channel, and the other end connects filter core
Inside, sewage water inlet pipe and filter core junction are equipped with switch.
The filtering water outlet is located at filter core bottom, is ring structure, and annular center is backwash water inlet, backwashing water
It can be directly entered chamber by backwashing water inlet, and chamber is backwashed by pressure.
Described backwash water inlet pipe one end is connect with the backwash water inlet in filter core pedestal, the other end and external backwash
Supply equipment connection.
The filter core pedestal is located at filter core lower part, is used for support filter core, collects, exhaust filtering water, supplies backwashing water, packet
Include filtering outlet pipe, ponding chamber and backwash water inlet pipe；Filter core pedestal is recessed with the filter core place of docking, recess size and shape and filter
Core bottom cone shape is corresponding, equipped with backwash water inlet pipe at Depression Centers；The backwash water inlet pipe is anti-with filter core bottom
Water inlet connection is rinsed, connection structure is straight cutting connection；The filtering outlet pipe is connect with drainage ditch, can be by filtered farmland
Runoff water is emitted into drainage ditch.
The runoff braiding channel is between filter core and farmland, and the one upper lateral part aperture of runoff braiding channel is for collecting farmland diameter
Flowing water, another side bottom of runoff braiding channel are provided with apopore, and braiding channel bottom is filled with quartz sand, for carrying out to agricultural run-off water
Primary filter.
Embodiment 3
The preposition purification system of agricultural run-off drain moduleization, structure includes runoff braiding channel, filter core, filter core pedestal, anti-
Water inlet pipe and drainage ditch are rinsed, wherein filter core is installed on filter core pedestal, and filter core pedestal is installed on the side of drainage ditch, diameter adfluxion
Water channel is arranged along filter core periphery, and backwash water inlet pipe is located at filter core chassis interior.
As shown in fig. 7, the filter core is in cylindrical body, top is plane, and bottom is cone, including shell, handle, center
Axis, sewage water inlet pipe, metal screen, backwash water distributor, backwash water inlet and filtering water outlet；It is equipped with inside filter core multiple
Filler is divided by metal screen and be equipped with to chamber between each chamber, and handle is installed on cartridge top, facilitate the dismounting of filter core with
Installation；Filter case shape uses top surface for circular cylinder, and filter core seating depression shape is mutually suitable for filter core bottom cone,
Filter core group uses minimum spacing dense arrangement, and there are certain intervals between filter core.
Filter core inner cavity is divided into 6 chambers with metal screen, from cartridge top to each chamber in bottom be followed successively by soil chamber,
First filter chamber, the second filter chamber, backwash cloth water chamber, third filter chamber, filtering water chamber, each chamber height is successively are as follows: 12,
15,15,3,5,6 cm is filled with filtering filler inside each filter chamber, is filled in the first filter chamber and the second filter chamber
10cm thickness quartz sand, partial size 0.3-1.0 cm, the active carbon particle that the interior filling partial size of third filter chamber is 0.3-0.5 cm.
The central axis is hollow structure, is located at filter core center, runs through 3, top chamber, including agitating paddle, water outlet
Hole and mudhole；Central axis is equipped with agitating paddle in the bottom position of each chamber, and when central axis rotation can drive agitating paddle to filler
It is stirred, central axis is provided with apopore in the close top position of each chamber, and the closing of central axis bottom, top is equipped with retractable
Circular hole, can be used as mudhole when backwash, divide into respect of card slot at the top of central axis not influencing water outlet status, connect external
Device manually or automatically Pivot axle.
The sewage water inlet pipe is installed on cartridge top, and one end connects the water supply network of braiding channel, and the other end connects filter core
Inside, sewage water inlet pipe and filter core junction are equipped with switch.
The filtering water outlet is located at filter core bottom, is ring structure, and annular center is backwash water inlet, backwashing water
It can be directly entered chamber by backwashing water inlet, and chamber is backwashed by pressure.
Described backwash water inlet pipe one end is connect with the backwash water inlet in filter core pedestal, the other end and external backwash
Supply equipment connection.
The filter core pedestal is located at filter core lower part, is used for support filter core, collects, exhaust filtering water, supplies backwashing water, packet
Include filtering outlet pipe, ponding chamber and backwash water inlet pipe；Filter core pedestal is recessed with the filter core place of docking, recess size and shape and filter
Core bottom cone shape is corresponding, equipped with backwash water inlet pipe at Depression Centers；The backwash water inlet pipe is anti-with filter core bottom
Water inlet connection is rinsed, connection structure is straight cutting connection；The filtering outlet pipe is connect with drainage ditch, can be by filtered farmland
Runoff water is emitted into drainage ditch.
Claims (9)
1. the preposition purification system of agricultural run-off drain moduleization, it is characterized in that including runoff braiding channel (1), filter core (2), filter core bottom
Seat (3), backwash water inlet pipe (4) and drainage ditch (5), plurality of filter core (2) are installed on filter core pedestal (3), filter core pedestal
(3) it is installed on close to the side of agricultural drain canal (5), runoff braiding channel (1) is arranged along filter core (2) periphery, backwashes water inlet pipe
(4) it is internal to be located at filter core pedestal (3).
2. the preposition purification system of agricultural run-off drain moduleization according to claim 1, it is characterized in that the filter core (2) is in
Cylinder, top are plane, and bottom is cone, including shell (2-1), handle (2-2), central axis (2-3), sewage water inlet pipe
(2-4), metal screen (2-5), backwash water distributor (2-6), backwash water inlet (2-7) and filtering water outlet (2-8)；Wherein
Filter core (2) cylinder top planes are round or polygon, and multiple chambers are equipped with inside filter core (2), pass through metal between each chamber
Strainer is divided and is equipped with filler (2-9), is equipped with handle (2-2) at the top of filter core (2).
3. the preposition purification system of agricultural run-off drain moduleization according to claim 2 the, it is characterized in that central axis (2-
3) it is hollow structure, is located at filter core (2) center, runs through each chamber in top, the bottom position of each chamber is equipped with stirring
Paddle (2-3-1) drives agitating paddle (2-3-1) to be stirred filler when central axis rotation, central axis (2-3) leaning in each chamber
Nearly top position is provided with central axis apopore (2-3-2), and the closing of central axis bottom, top is equipped with openable and closable mudhole (2-3-
3), and it is equipped with card slot.
4. the preposition purification system of agricultural run-off drain moduleization according to claim 2, it is characterized in that the sewage enters water
Pipe (2-4) is installed at the top of filter core (2), and one end connects the water supply network of runoff braiding channel (1), and the other end connects filter core (2)
Inside, sewage water inlet pipe (2-4) and filter core (2) junction are equipped with switch.
5. the preposition purification system of agricultural run-off drain moduleization according to claim 2, it is characterized in that the filtering is discharged
Mouth (2-8) is located at filter core (2) bottom, is ring structure, and the center of filtering water outlet (2-8) is equipped with backwash water inlet (2-7).
6. the preposition purification system of agricultural run-off drain moduleization according to claim 2, it is characterized in that the recoil washes
Water pipe (4) one end is connect with the backwash water inlet (2-7) in filter core pedestal (3), the other end and external backwash supply equipment
Connection.
7. the preposition purification system of agricultural run-off drain moduleization according to claim 1, it is characterized in that the filter core pedestal
(3) it is located at filter core (2) lower part, including filtering outlet pipe (3-1), ponding chamber (3-2) and backwash water inlet pipe (4)；Filter core pedestal
(3) it is equipped with recess with filter core (2) place of docking, size and shape is corresponding with filter core (2) bottom cone shape, fills at Depression Centers
Have backwash water inlet pipe (4), backwash water inlet pipe (4) is connect with backwash water inlet (2-7) straight cutting of filter core (2) bottom, mistake
Water pipe (3-1) is filtered out to connect with drainage ditch (5).
8. the preposition purification system of agricultural run-off drain moduleization according to claim 1, it is characterized in that the runoff catchments
Canal (1) is set on the outside of filter core (2), and (1) one upper lateral part of runoff braiding channel is provided with blasthole (1-1), and another side bottom is provided with water outlet
Hole (1-2), runoff braiding channel (1) bottom are filled with quartz sand.
9. the preposition purification system of agricultural run-off drain moduleization according to claim 3, it is characterized in that each chamber
Can be 6, be split to form with metal screen in filter core (2) inner cavity, from the top of filter core (2) to bottom be followed successively by sewage chamber,
First filtering chamber, backwash water distribution chamber, third filtering chamber, filters out water chamber, each chamber height at the second filtering chamber
Successively are as follows: 12,15,15,3,5,6 cm are filled with filtering filler (2-9), the first filter chamber and the second mistake inside each filter chamber
10cm thickness quartz sand, partial size 0.3-1.0 cm, the work that the interior filling partial size of third filter chamber is 0.3-0.5 cm are filled in filter chamber
Property charcoal particle.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820863714.9U CN208617510U (en) | 2018-06-05 | 2018-06-05 | The preposition purification system of agricultural run-off drain moduleization |
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| CN201820863714.9U CN208617510U (en) | 2018-06-05 | 2018-06-05 | The preposition purification system of agricultural run-off drain moduleization |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108529778A (en) * | 2018-06-05 | 2018-09-14 | 中国科学院南京土壤研究所 | The preposition purification system of agricultural run-off drain moduleization |
| CN115925010A (en) * | 2022-09-02 | 2023-04-07 | 中国科学院南京土壤研究所 | Method for constructing farmland non-point source pollution zero-emission system |
-
2018
- 2018-06-05 CN CN201820863714.9U patent/CN208617510U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108529778A (en) * | 2018-06-05 | 2018-09-14 | 中国科学院南京土壤研究所 | The preposition purification system of agricultural run-off drain moduleization |
| CN115925010A (en) * | 2022-09-02 | 2023-04-07 | 中国科学院南京土壤研究所 | Method for constructing farmland non-point source pollution zero-emission system |
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