CN208617395U - The buried preposition purification system of farmland water-break - Google Patents
The buried preposition purification system of farmland water-break Download PDFInfo
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- CN208617395U CN208617395U CN201820862740.XU CN201820862740U CN208617395U CN 208617395 U CN208617395 U CN 208617395U CN 201820862740 U CN201820862740 U CN 201820862740U CN 208617395 U CN208617395 U CN 208617395U
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- rose box
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- break
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- filtering ponds
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Abstract
The utility model proposes a kind of buried preposition purification system of farmland water-break, structure includes that filtering ponds, Rose Box, braiding channel, cut-pff wall, Rose Box enter the network of rivers;Wherein the surrounding of filtering ponds and bottom are equipped with cut-pff wall, and several Rose Boxes are arranged in filtering ponds, and the top of Rose Box is equipped with Rose Box and enters the network of rivers, and the outside of cut-pff wall is equipped with braiding channel.The advantages of the utility model: 1) in farmland, water-break carries out preposition purification before entering irrigation canals and ditches, effectively reduces agricultural non -point pollution;2) generally underground flush type designs, and occupied area is few, does not influence the plantation of crop;3) Rose Box and Rose Box are entered the network of rivers and are designed using regular hexagon, are convenient for changing, and filter efficiency is improved.
Description
Technical field
The utility model relates to a kind of buried preposition purification systems of farmland water-break, belong to farmland water pollution processing technique neck
Domain.
Background technique
Since reform and opening-up, China's applying quantity of chemical fertilizer continues to increase, and wherein nitrogenous fertilizer increase is especially rapid, national nitrogen in 2015
Fertile amount of application is up to 31,000,000 tons;However the nitrogenous fertilizer for applying farmland only has 10% ~ 50% and can be absorbed by crops utilization, remaining is not inhaled
The nutriments such as nitrogen, the phosphorus of receipts enter environment by all means, cause serious agricultural non -point pollution problem, it has also become I
One of the primary pollution source of state's water environment.
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.Such as application No. is 201310274115.5 patents of invention
A kind of ecology filter bank construction method of purification Farmland Flow Pollution is disclosed, this method selects between farmland and river from river
The region of 15-20 m distance constructs a kind of novel filter bank;Application No. is 200410014935.1 applications for a patent for invention to disclose
A kind of ecological interception canal system in farmland, the channel inhale nitrogen, phosphorus height by planting on the honeycomb plate of two walls and bottom
The plant of receipts, and Rose Box is placed in channel, to reduce the nitrogen into river water body, phosphorus concentration;Application No. is
201410209967.0 application for a patent for invention discloses a kind of composite curtain wall for efficiently intercepting agricultural non -point pollution object, by
Ground flora buffer strip, vegetation slope pavement, gathering ground and antifouling curtain wall are set gradually before drain ditch in the field, the dirt to farmland discharge
Dye object carries out retention purification.Although the controllable agricultural non -point pollution object of above-mentioned technical proposal enters the water bodys such as river, realize
Above scheme needs biggish occupied area, or needs biggish project amount, and in China, current distributing plantation is leading kind
It is difficult to be promoted and applied under implant model.
Summary of the invention
The purpose of this utility model be propose it is a kind of miniaturization, water-break filtration, purification system in farmland easy to implement, can have
Effect overcomes the shortcomings of existing control agricultural non -point pollution technology in practical farmland construction application, is entering canal advance to farmland water-break
Row effectively purification.
The technical solution of the utility model: the buried preposition purification system of farmland water-break, structure include filtering ponds,
Rose Box, braiding channel, cut-pff wall, Rose Box enter the network of rivers;Wherein the surrounding of filtering ponds and bottom are equipped with cut-pff wall, row in filtering ponds
Several Rose Boxes are arranged in column, and the top of Rose Box is equipped with Rose Box and enters the network of rivers, and the outside of cut-pff wall is equipped with braiding channel.
The advantages of the utility model:
1) in farmland, water-break carries out preposition purification before entering irrigation canals and ditches, and purified farmland water-break is imported irrigation canals and ditches, effectively
Reduce agricultural non -point pollution;
2) device generally underground flush type designs, and is not take up additional arable land, does not influence the plantation and beauty of overground part crop
Effect is seen,
3) Rose Box and Rose Box are entered the network of rivers and are designed using regular hexagon, are not only convenient for changing Rose Box or filter packing,
And substantially increase filter efficiency.
Detailed description of the invention
Attached drawing 1 is the structure top view of the buried preposition purification system of farmland water-break.
Attached drawing 2 is the A-A sectional view of the buried preposition purification system of farmland water-break.
In figure 1 be filtering ponds, 2 be Rose Box, 3 be braiding channel, 4 be cut-pff wall, 5 be Rose Box enter the network of rivers, 6 be water outlet
Pipe;It is Rose Box water outlet, 2-3 be filter packing, 2-4 is Rose Box support frame that 2-1, which is metal screen, 2-2,;The farmland 3-1 goes out
The mouth of a river, 3-2 are quartz sand layers;5-1 is water inlet, and it is sandy soil layer that 5-2 water inlet pipe, 5-3, which are Y-type three way type connector, 5-4,.
Specific embodiment
As shown in Figure 1, the buried preposition purification system of farmland water-break, structure includes filtering ponds 1, Rose Box 2, braiding channel
3, cut-pff wall 4, Rose Box enter the network of rivers 5;Wherein the surrounding of filtering ponds 1 and bottom are equipped with cut-pff wall 4, are arranged in filtering ponds 1
Several Rose Boxes 2, the top of Rose Box 2 are equipped with Rose Box and enter the network of rivers 5, and the outside of cut-pff wall 4 is equipped with braiding channel 3.
As shown in Fig. 2, the filtering ponds 1 are built in farmland field close to drainage ditch side, 1 top view cross section of filtering ponds
Shape is trapezoidal, and long side is 2 times of short side close to agricultural drain canal, long side length, and trapezoidal two bevel edge is identical as bond length;
1 depth of filtering ponds, 100 cm is lower than 20 cm of agricultural land soil surface at the top of filtering ponds 1;1 bottom of filtering ponds and 2 bottom of Rose Box it
Between gap several Rose Box support frames 2-4 is installed.
The Rose Box 2 is regular hexagon cylinder body shape, 10 cm of outline border side length, 100 cm of height of column, Rose Box 2
Upper opening, tile metal screen 2-1 for bottom, and aperture is 3-7 mm, and bottom centre is in ball bumps, has diameter at convex apexes
As Rose Box water outlet 2-2, Rose Box 2 is integrally formed by engineering plastics and is made 3 cm circular holes, material can for PA, PC, POM,
PP, PBT etc.;It is successively filled between the filter packing 2-3, different filter packing 2-3 of unlike material and sets from the bottom to top inside Rose Box 2
There is non-woven fabrics interval.Semi-hexagon shape (i.e. trapezoidal) structure is used close to 2 section of Rose Box of 4 metope of cut-pff wall, to guarantee to filter
Effective area maximizes.
3 bottom of braiding channel is equipped with quartz sand layer 3-2, and the lateral wall of braiding channel 3 is discharged equipped with several farmlands
Mouth 3-1.
The outlet pipe 6 in the gap between connection 1 bottom of filtering ponds and 2 bottom of Rose Box is equipped on the outside of the cut-pff wall 4,
Outlet pipe 6 connects external agriculture drainage ditch.
The Rose Box enters the whole hexagonal network structure in the network of rivers 5, is staggered with Rose Box 2, structure include into
Mouth of a river 5-1, water inlet pipe 5-2 and Y-type three way type connector 5-3, wherein every water inlet pipe 5-2 length is identical as 2 side length of Rose Box, into
The tube wall of water pipe 5-2 is equipped with aperture, and farmland water-break can be oozed out by aperture flows into Rose Box 2;Y-type three way type connector 5-3
It is 120 ° in 3 angles of the intersection of 2 side wall of 2 center of Rose Box or Rose Box, Y-type three way type connector 5-3, distinguishes
Connect 3 water inlet pipe 5-2;Water inlet pipe 5-2 is equipped with water inlet 5-1 with the junction of cut-pff wall 4 and connect braiding channel 3, water inlet 5-1
It is the metal screen of 2-3 mm that, which there is aperture in outside, and the farmland water-break in braiding channel 3 flows into Rose Box by water inlet 5-1 and enters the network of rivers
5, Rose Box, which enters, is equipped with layer of non-woven fabric between the network of rivers 5 and Rose Box 2;The top that Rose Box enters the network of rivers 5 is laid with sandy soil layer 5-4,
For long-term cropping.
When rainfall or when irrigating the runoff dilutional hyponatremia of generation, water flow enters braiding channel 3 by farmland water outlet, then by catchmenting
3 bottom water inlet 5-1 of canal flows into Rose Box and enters the network of rivers 5, and seepage flow, to Rose Box 2, water flows through after Rose Box 2 filters and flows into filtering
1 bottom of pond is crossed drainage and is discharged via outlet pipe 6, flow into farmland when 2 bottom ponding height of Rose Box is more than 6 nozzle of outlet pipe
Drainage ditch.
Embodiment
The technical solution of the utility model is further illustrated below with reference to embodiment.
The buried preposition purification system of farmland water-break, structure include filtering ponds, Rose Box, braiding channel, cut-pff wall, filtering
Case enters the network of rivers;Wherein the surrounding of filtering ponds and bottom are equipped with cut-pff wall, and several Rose Boxes are arranged in filtering ponds, Rose Box
Top is equipped with Rose Box and enters the network of rivers, and the outside of cut-pff wall is equipped with braiding channel.
About 50 m of the system unit area water purification amount3/m2D(cubic metres of every square meter occupied areas are daily), maximum water purification is negative
Lotus calculates (50 mm/d) with rainfall when heavy rain, if farmland (667 m per acre2) build preposition purification system at one, then when heavy rain
It is 33.4 m that theoretical water need to be purified daily3, required filtering ponds cross-sectional area is 0.67 m2, to make the Rose Box of fixed size more
It easily places, the design trapezoidal long side of filtering ponds is 1.4 m, two sides and short side a length of 0.7 m, 0.735 m of occupied area2。
The filtering ponds are built in farmland field close to drainage ditch side, and filtering ponds vertical view is trapezoidal, and long side is leaned on
Nearly agricultural drain canal, long side length 140cm, two bevel edges and bond length are 70cm;Filter 100 cm of tank depth, filtering ponds top
Portion is lower than 20 cm of agricultural land soil surface;Gap between filtering bottom of pond portion and Rose Box bottom is equipped with several Rose Box branch
Support.
The Rose Box is regular hexagon cylinder body shape, 10 cm of outline border side length, 100 cm of height of column, on Rose Box
Portion's opening, tile metal screen for bottom, and aperture of filter screen is 3-7 mm, and bottom centre is in ball bumps, has diameter 3 at convex apexes
Cm circular hole is integrally formed by engineering plastics POM and is made as water outlet, Rose Box;Filler is sequentially loaded into inside Rose Box, the bottom of away from
Portion 0-50 cm is gravel (diameter 2-4 cm), is quartz sand (partial size 0.5-1 cm) away from bottom 50-70 cm, away from bottom 70-80
Cm is active carbon (partial size 0.5-1 cm), is quartz sand (partial size 0.5-1 cm) away from bottom 80-100 cm;Between every layer of filter packing
It is laid with layer of non-woven fabric.
The braiding channel bottom is equipped with quartz sand layer, and the lateral wall of braiding channel is equipped with several farmland water outlets.
The outlet pipe in the gap between connection filtering bottom of pond portion and Rose Box bottom is equipped on the outside of the cut-pff wall.
The Rose Box enters the network of rivers integrally hexagonal network structure, is staggered with Rose Box, and structure includes water inlet
Mouthful, several water inlet pipes and Y-type three way type connector, wherein every water inlet length of tube is identical as Rose Box side length, the tube wall of water inlet pipe
It is equipped with aperture, farmland water-break can be oozed out by aperture flows into Rose Box;Y-type three way type connector be located at Rose Box center or
3 angles of the intersection of Rose Box side wall, Y-type three way type connector are 120 °, are separately connected 3 water inlet pipes;Water inlet pipe with
The junction of cut-pff wall is equipped with water inlet and connects braiding channel, and having aperture on the outside of water inlet is the metal screen of 2-3 mm, braiding channel
Interior farmland water-break flows into Rose Box by water inlet and enters the network of rivers, and Rose Box, which enters, is equipped with one layer of nonwoven between the network of rivers and Rose Box
Cloth;The top that Rose Box enters the network of rivers is laid with sandy soil layer, is used for long-term cropping.
Claims (7)
1. the buried preposition purification system of farmland water-break, it is characterized in that including filtering ponds (1), Rose Box (2), braiding channel (3), preventing
Seep wall (4), Rose Box enters the network of rivers (5);Wherein the surrounding of filtering ponds (1) and bottom are equipped with cut-pff wall (4), row in filtering ponds (1)
Several Rose Boxes (2) are arranged in column, and the top of Rose Box (2) is equipped with Rose Box and enters the network of rivers (5), and the outside of cut-pff wall (4) is equipped with collection
Water channel (3).
2. water-break buried preposition purification system in farmland according to claim 1, it is characterized in that the filtering ponds (1) are bowed
Depending on trapezoidal, long side length is 2 times of short side, and two bevel edges are identical as bond length;100 cm of filtering ponds (1) depth, filtering
It is lower than 20 cm of earth's surface at the top of pond (1);Gap between filtering ponds (1) bottom and Rose Box (2) bottom is equipped with several filterings
Case support frame (2-4).
3. water-break buried preposition purification system in farmland according to claim 1, it is characterized in that the Rose Box (2) is
Positive hexagonal column shape, 10 cm of outline border side length, 100 cm of height of column, Rose Box (2) upper opening, bottom tiling gold
Belong to strainer (2-1), aperture of filter screen is 3-7 mm;Rose Box (2) bottom centre is in ball bumps, has 3 cm of diameter at convex apexes
Rose Box water outlet (2-2), the filter packing (2-3) of unlike material is successively filled with inside Rose Box (2) from the bottom to top, it is different
Non-woven fabrics interval is equipped between filter packing (2-3).
4. water-break buried preposition purification system in farmland according to claim 3, it is characterized in that in the Rose Box (2)
The filter packing (2-3) in portion, the gravel for being diameter 2-4 cm away from bottom 0-50 cm are partial size 0.5-1 away from bottom 50-70 cm
The quartz sand of cm, the active carbon for being partial size 0.5-1 cm away from bottom 70-80 cm are away from bottom 80-100 cm partial size 0.5-1 cm
Quartz sand.
5. water-break buried preposition purification system in farmland according to claim 1, it is characterized in that described braiding channel (3) bottom
Portion is equipped with quartz sand layer (3-2), and the lateral wall of braiding channel (3) is equipped with several farmland water outlets (3-1).
6. water-break buried preposition purification system in farmland according to claim 1, it is characterized in that the cut-pff wall (4) is outside
Side is equipped with the outlet pipe (6) in the gap between connection filtering ponds (1) bottom and Rose Box (2) bottom.
7. water-break buried preposition purification system in farmland according to claim 1, it is characterized in that the Rose Box enters the network of rivers
(5) whole hexagonal network structure, is staggered, structure includes water inlet (5-1), several water inlet pipes with Rose Box (2)
(5-2) and Y-type three way type connector (5-3), wherein every water inlet pipe (5-2) length is identical as Rose Box (2) side length, water inlet pipe
The tube wall of (5-2) is equipped with aperture, and farmland water-break can be oozed out by aperture flows into Rose Box (2);Y-type three way type connector (5-3)
Positioned at Rose Box (2) center or the intersection of Rose Box (2) side wall, 3 angles of Y-type three way type connector (5-3) are
120 °, it is separately connected 3 water inlet pipes (5-2);Water inlet pipe (5-2) is equipped with water inlet (5-1) with the junction of cut-pff wall (4) and connect
Braiding channel (3), it is the metal screen (2-1) of 2-3 mm that, which there is aperture in water inlet (5-1) outside, and Rose Box enters the network of rivers (5) and filtering
Layer of non-woven fabric is equipped between case (2), the top that Rose Box enters the network of rivers (5) is laid with sandy soil layer (5-4).
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CN108557922A (en) * | 2018-06-05 | 2018-09-21 | 中国科学院南京土壤研究所 | The buried preposition purification system of farmland water-break |
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CN108557922A (en) * | 2018-06-05 | 2018-09-21 | 中国科学院南京土壤研究所 | The buried preposition purification system of farmland water-break |
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