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Closed conduit dredging method for heavily salinized farmland-based drip irrigation system

A technology of hidden pipes and farmland, which is applied in the fields of botanical equipment and methods, agriculture, horticulture, etc., can solve the problems of difficult lasting effect, time-consuming and labor-intensive dredging, etc.

Active Publication Date: 2015-03-11
XINJIANG INST OF ECOLOGY & GEOGRAPHY CHINESE ACAD OF SCI
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

With this method, the time and intensity of dredging can be flexibly selected according to the actual silting of hidden pipes and the impact on the normal drainage of salinized farmland (mainly the impact of rising groundwater levels), which overcomes the time-consuming and labor-intensive dredging of hidden pipes in oasis irrigation areas and the inefficiency. unsustainable problem

Method used

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  • Closed conduit dredging method for heavily salinized farmland-based drip irrigation system
  • Closed conduit dredging method for heavily salinized farmland-based drip irrigation system

Examples

Experimental program
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Embodiment 1

[0023] The first drainage method is as figure 1 As shown, the underground drainage pipe 4 with a pipe diameter of 75 mm is buried along the direction perpendicular to the bucket row 5 of the farmland at a distance of 30 meters and is directly connected to the drainage method of the bucket row 5 of the farmland. On one side of the row, a PVC pipe with a diameter of 90 mm is buried along the direction perpendicular to the hidden pipe and the main water pipe 1 of the salinized farmland drip irrigation system as the hidden water pipe 2 with a depth of 0.8m. The main water delivery pipe 1 is connected with a 110 mm tee and a 110 mm to 90 mm variable diameter connection, and a water diversion ball valve 3 is installed to control the water volume. The other side of the water delivery dark pipe 2 is sealed with a plug to prevent water leakage; A 90mm tee and a 90mm to 75mm variable diameter connection are used at the junction of the pipe 2 and the drain pipe 4, and the water diversion...

Embodiment 2

[0028] The second drainage method is as figure 2As shown, the 50 mm pipe diameter underground drainage pipe 4 is buried along the direction perpendicular to the farmland row 6 according to the spacing of 2 meters and is directly connected to the drainage method of the farmland row 6, and the depth of embedding is 1m. On the side, along the direction perpendicular to the buried pipe burying direction and the main water pipe 1 of the salinized farmland drip irrigation system, a 75 mm diameter water pipe 2 is buried respectively, with a depth of 1m, and the distance between the two water pipes 2 Use a 75mm elbow to connect the water inlet of the water delivery pipe 2 with a 110mm tee and a 110mm to 75mm variable diameter connection with the water delivery main pipe 1, and install a ball valve 3 to control the water volume. Seal it with a plug to prevent water leakage; use a 75mm tee and a 75mm to 50mm variable diameter connection at the junction of the water delivery pipe 2 and ...

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Abstract

The invention relates to a closed conduit dredging method for a heavily salinized farmland-based drip irrigation system. According to the method, a closed drainage system is connected together with a water conveyance system of the drip irrigation system through a water conveyance closed conduit, and further, by taking the drip irrigation system as a power source, water is conveyed into closed conduits buried according to different laying manners, and powerful and efficient dredging is performed; by adopting the method, the dredging time and the dredging strength can be flexibly selected according to the actual situation of deposits of the closed conduits and the influences (mainly referring to the influence of the rising of an underground water level) of the deposits on the normal drainage of salinized farmland, so that the problems that closed conduit dredging in an irrigated oasis region is time-wasting and labor-wasting, and the dredging effect is hard to be lasting are overcome. The method is suitable for the heavily salinized farmland with the complete drip irrigation system, and is mainly used for solving the dredging problems of two closed drainage manners.

Description

technical field [0001] The invention relates to a method for dredging underground pipes based on a drip irrigation system for heavily salinized farmland, and in particular to an improvement method for rapidly improving heavily salinized soils with buried depths within the range of 1.5 meters using underground pipe drainage technology, which belongs to soil improvement field. Background technique [0002] Underground pipe drainage technology is a common technical method for improving heavily salinized soil in oasis irrigation areas. It has the advantages of quick results and a short improvement cycle. However, the traditional method of underground pipe dredging lacks a stable field power source, which often consumes too much labor and is inefficient. Low cost, high cost, and poor dredging effect, which affect the drainage effect and limit the large-scale promotion of underground pipe technology. However, with the large-scale application of drip irrigation technology in arid a...

Claims

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Application Information

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IPC IPC(8): E02B11/00A01G25/02
CPCA01G25/02E02B11/005
Inventor 尹传华田长彦乔木
Owner XINJIANG INST OF ECOLOGY & GEOGRAPHY CHINESE ACAD OF SCI
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