Spiral-flow type sand-removing, sand-discharging and filtering device for agricultural irrigation

Abstract

The invention discloses a spiral-flow type sand-removing, sand-discharging and filtering device for agricultural irrigation. The device comprises a water inlet pipeline and a water outlet pipeline, which are installed on an upper cylinder body; a first conical cylinder, a partition plate and a first sand filtering cylinder, which are fixedly installed in a lower cylinder body; and a second conicalcylinder and a filter screen, which are fixedly installed in the lower cylinder body; wherein the lower end of the second conical cylinder is fixed to the partition plate, the second conical cylinderhas a hollow structure with the two communicated ends, and the first sand filtering barrel is located in the second conical cylinder. The device has the advantages that the whole sand removing and discharging operation is simple and convenient, the use cost of the sand discharging operation is relatively low; irrigation water loss generated in the whole sand removing and discharging process is relatively low, the cleaning operation of small-particle sand leaking out of the first sand filtering cylinder is relatively easy and convenient; and meanwhile, through cooperation of the second conicalcylinder and the filter screen, part of irrigation water does not need to be conveyed into the upper cylinder again to be subjected to sand removing operation again after being filtered, and the irrigation water can be directly conveyed into a drainage pipeline to be used.

Description

technical field [0001] The invention relates to a filter device, in particular to a cyclone type sand removal filter device for agricultural irrigation. Background technique [0002] After searching, the patent authorized invention with the patent number CN106422515B discloses a swirl type sand removal and sand removal filter device for agricultural irrigation, including an upper cylinder and a lower cylinder, and it is characterized in that the upper part of the upper cylinder The front side is fixedly connected with a water inlet pipe, the inside of the upper cylinder is provided with an outlet pipe, the outlet pipe passes through the upper wall of the upper cylinder and the water inlet end of the outlet pipe is located inside the upper cylinder. [0003] But this desanding filter device also has the following deficiencies in the specific use process: [0004] 1. The No. 1 sand filter tube is directly connected with the conical tube and the sand outlet tube, and part of t...

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Problems solved by technology

[0006] 3. Through the cooperation of the output pump and the No. 2 water pipe, although the irrigation water flowing from the No. 1 sand filter tube to the conical tube and the partition can be re-transported to the upper tube, but this process will also have some small particles of sand As the irrigation water passes through the No. 1 sand filter cartridge, and then flows together with the water flow, no matter whether the output pump itself has a filter screen or not, this part of the small sand particles has not been well treated. With the filter screen, the small particles The sand particles will eventually remain on the No. 1 water pipe, which is inconvenient to clean. Without a filter, the small particle sand particles will be re-sanded in the cylinder with the water, and the small particle sand particles will not be well cleaned. to remove

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