CN213952158U - Farmland drainage and stain reduction system - Google Patents

Abstract

The utility model discloses a farmland drainage stain system that falls, including drainage chimney filter, drainage well, well lid, protection pipeline, drinking-water pipe and support column, the drainage chimney filter is 2 ~ 3 of slope and buries in the field the drinking-water pipe is installed in the protection pipeline, the support column is buried underground in the field, and the support column passes through the pin and fixes in the field, the support column supports the lower part at the drainage chimney filter. The non-woven geotextile adsorption in the field flows into the drainage well along the inner slope of the plastic core body, can be stored in the drainage well or pumped out through the water pumping pipe according to actual requirements, and the drainage ditch is relatively reduced, the waterlogging is reduced, and the waterlogging is controlled to improve the crop yield.

Description

Farmland drainage and stain reduction system

The technical field is as follows:

the utility model belongs to the technical field of the agricultural, especially, relate to a farmland drainage falls stain system.

Background art:

in current irrigation and water conservancy construction, though according to certain design drainage waterlogging and fall the waterlogging standard, constructed relatively perfect irrigation and water drainage system, nevertheless when taking place the heavy rain of super design standard or when rainfall for a long time, the irrigation and water drainage falls the waterlogging ability not enough, still can lead to crops because of waterlogging the water logging subtracts the output or even absolutely receives, leads to a large amount of irrigation and water conservancy water damage engineering simultaneously. On the other hand, most of the regions in China are in shortage of water resources, farmland soil layers in plain regions are generally deep, and the farmland soil layers above underground water levels have large water storage capacity, so that rainwater resources can be vertically adjusted to be full of water and benefit. In the construction of the irrigation and water conservancy project, the farmland drainage ditch is arranged on one side of the strip field block, and the farmland is easy to return alkali in winter to influence the crop yield.

The invention content is as follows:

the utility model discloses the technical problem that will solve is: provides a farmland drainage and water stain reduction system which can control the water stain damage and improve the crop yield.

In order to solve the technical problems, the invention is realized by the following technical scheme: the utility model provides a waterlogging caused by excessive rainfall system of farmland drainage, includes drainage chimney filter, drainage well, well lid, protection pipeline, drinking-water pipe and support column, the drainage chimney filter is 2 ~ 3 of slope and buries in the field, the drainage chimney filter comprises plastics core and non-woven geotechnological cloth, the hole of permeating water has been seted up in the last distribution of plastics core, the non-woven geotechnological cloth is fixed to be wrapped outside at the plastics core, the drainage well sets up in the field, the drainage well inner wall sets up to C25 concrete layer, it has waterproof coating to brush on the C25 concrete layer, the size that the top of drainage well is higher than the field is 20cm ~ 30cm, the well head end of drainage well is fixed to be provided with spacing supporting shoe, the well lid is installed at the well head end of drainage well, and the well lid is arranged in spacing supporting shoe, bury the protection pipeline in the field underground, the sealed intercommunication of protection pipeline lower extreme is to the bottom of drainage well, the field is extended to protection pipeline's upper end, the drinking-water pipe is installed in protection pipeline, the support column is buried underground in the field, and the support column passes through the pin and fixes in the field, the support column supports the lower part at the drainage chimney filter.

Preferably, the plastic core further comprises a triangular support member slidably mounted inside the plastic core.

Preferably, the wall thickness of the plastic core is set to be 2 cm-2.5 cm, and the radius of the inner diameter of the plastic core is 8 cm-10 cm.

Preferably, the outer surface of each 1m plastic core is covered with 300g of non-woven geotextile.

Compared with the prior art, the utility model discloses an useful part is: the non-woven geotextile adsorption in the field flows into the drainage well along the inner slope of the plastic core body, can be stored in the drainage well or pumped out through the water pumping pipe according to actual requirements, and the drainage ditch is relatively reduced, the waterlogging is reduced, and the waterlogging is controlled to improve the crop yield.

Description of the drawings:

the present invention will be further explained with reference to the accompanying drawings.

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of the structure of the drain filter tube.

The specific implementation mode is as follows:

the present invention will be described in detail with reference to the following embodiments:

as shown in fig. 1 and 2, the farmland drainage and water logging system comprises a drainage filter pipe 1, a drainage well 3, a well lid 4, a protective pipeline 5, a water pumping pipe 51 and a support column 6, wherein the drainage filter pipe 1 is embedded in a field 7 at an angle of 2-3 degrees, the drainage filter pipe 1 comprises a plastic core 11 and a non-woven geotextile 12, the plastic core 11 is provided with water permeable holes in a distributed manner, the non-woven geotextile 12 is fixedly coated outside the plastic core 11, the drainage well 3 is arranged in the field 7, in order to avoid the drainage well 3 from collapsing, the inner wall of the drainage well 3 is provided with a C25 concrete layer, in addition, in order to avoid the water permeable condition, the C25 concrete layer is coated with a waterproof coating 2, in order to avoid the water in the field 7 from pouring into the drainage well 3, the size of the top of the drainage well 3 is 20-30 cm higher than the field 7, the well mouth end of the drainage well 3 is fixedly provided with a limit support block 41, the well cover 4 is arranged at the well mouth end of the drainage well 3, the well cover 4 is arranged on the limit supporting block 41, a protective pipeline 5 is buried in the field 7, the lower end of the protective pipeline 5 is communicated with the bottom of the drainage well 3 in a sealing way, the field 7 extends out of the upper end of the protection pipeline 5, the water pumping pipe 51 is installed in the protection pipeline 5, the protection pipeline 5 can play a waterproof role on the water pumping pipe 51, the supporting column 6 is buried in the field 7, the support column 6 is fixed with the field 7 through a pin 61, the support column 6 is supported at the lower part of the drainage filter pipe 1, the drainage filter pipe 11 is supported by the support column 6 in a sectional interval way, the bending condition of the drainage filter pipe caused by the deformation of a certain section of the drainage filter pipe 11 due to the bearing pressure can be avoided, the drainage stability is provided, and the blocking phenomenon can not occur.

In order to support the plastic core 11 to increase the using strength thereof and avoid the plastic core from being deformed and damaged in the long-term use process, the plastic core further comprises a triangular support 13, the triangular support 13 is slidably mounted inside the plastic core 11, and the triangular support 13 continuously extends to two ends of the plastic core 11.

The wall thickness of the plastic core body 1 is set to be 2 cm-2.5 cm, and the radius of the inner diameter of the plastic core body 1 is 8 cm-10 cm. The outer surface of each 1m plastic core 1 is covered with 300g of the nonwoven geotextile 12.

The water in the field 7 flows into the drainage well 3 obliquely along the plastic core 1 under the adsorption action of the non-woven geotextile 12, can be stored in the drainage well or pumped out through a water pumping pipe according to actual requirements, and the water is drained through the hidden buried water drainage pipe, so that the water drainage area is relatively reduced, the water logging damage is reduced, and the water logging damage is controlled to improve the crop yield.

It is to be emphasized that: it is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Claims (4)

1. The utility model provides a waterlogging caused by excessive rainfall system in farmland drainage which characterized in that: comprises a drainage filter pipe (1), a drainage well (3), a well lid (4), a protective pipeline (5), a water pumping pipe (51) and a support column (6), wherein the drainage filter pipe (1) is inclined for 2-3 degrees and is buried in a field (7), the drainage filter pipe (1) consists of a plastic core (11) and non-woven geotextile (12), the plastic core (11) is provided with water permeable holes in a distributed manner, the non-woven geotextile (12) is fixedly wrapped outside the plastic core (11), the drainage well (3) is arranged in the field (7), the inner wall of the drainage well (3) is arranged to be a C25 concrete layer, the C25 concrete layer is coated with a waterproof coating (2), the top of the drainage well (3) is higher than the field (7) in a size of 20-30 cm, a limit support block (41) is fixedly arranged at the mouth end of the drainage well (3), and the well lid (4) is installed at the mouth end of the drainage well (3), and spacing supporting shoe (41) is arranged in to well lid (4), bury protection pipeline (5) underground in field (7), protection pipeline (5) lower extreme seals and communicates to the bottom of drainage well (3), field (7) extend to the upper end of protection pipeline (5), drinking-water pipe (51) are installed in protection pipeline (5), support column (6) are buried underground in field (7), and support column (6) are fixed with field (7) through pin (61), support column (6) support the lower part at drainage chimney filter (1).

2. The farmland drainage and water stain reduction system as claimed in claim 1, wherein: the plastic core is characterized by further comprising a triangular supporting piece (13), wherein the triangular supporting piece (13) is installed inside the plastic core (11) in a sliding mode.

3. The farmland drainage and water stain reduction system as claimed in claim 1, wherein: the wall thickness of the plastic core body (11) is set to be 2 cm-2.5 cm, and the radius of the inner diameter of the plastic core body (11) is 8 cm-10 cm.

4. The farmland drainage and water stain reduction system as claimed in claim 3, wherein: the outer surface of each 1m plastic core (11) is covered with 300g of non-woven geotextile (12).

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