Water-driven filtering and reverse cleaning device for micro irrigation and filtering and reverse cleaning method

A water-driven, back-cleaning technology, applied in the directions of loose filter material filters, filtration separation, separation methods, etc., to achieve the effects of small head loss, safe and reliable work, and easy mass production

Inactive Publication Date: 2015-09-02
邱元锋
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] In order to solve the deficiencies of the prior art, the present invention provides a micro-irrigation water-driven filtration and backwashing device and a method for filtering and backwashing, using water to drive the backwashing and filtering device, and

Method used

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  • Water-driven filtering and reverse cleaning device for micro irrigation and filtering and reverse cleaning method
  • Water-driven filtering and reverse cleaning device for micro irrigation and filtering and reverse cleaning method
  • Water-driven filtering and reverse cleaning device for micro irrigation and filtering and reverse cleaning method

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[0027] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0028] The invention provides a micro-irrigation water-driven filtration and backwashing device, refer to figure 1 , figure 2 and image 3 , including a tank body with a water inlet 3 at the top and a water outlet 14 at the bottom, a water inlet pipe 4 and a water outlet pipe 8. The tank body is 2, which are respectively the tank body I1.1 and the tank body II1.2, and the tank body I It is installed on a pair of legs 13 in parallel with the tank II. The water outlets of the tank body I and the tank body II are connected with the water outlet pipe, and the water outlet pipe is provided with a general control valve 15; The lamination type water filter cap 11 is evenly arranged on the upper part, the size of the flow groove on the laminations is not more than 0.5mm, and the spacing between the laminations is not more than 0.3mm. The upper cavity is the ...

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Abstract

The invention provides a water-driven filtering and reverse cleaning device for micro irrigation. The filtering and reverse cleaning device comprises two tank bodies, a water intake pipe, as well as a reverse cleaning pipe, a sewage discharge pipe and a water drainage pipe which are connected with the two tank bodies, wherein the two tanks are respectively communicated with the water intake pipe and the sewage discharge pipe by a diaphragm type water-driven two-position three-way valve respectively; each of the tank bodies is internally separated into an upper cavity body and a lower cavity body by a supporting plate; each supporting plate is provided with a laminated type water filtering cap; the cavity body above is a water distribution chamber which is internally provided with a filtering medium. The invention also provides the filtering and reverse cleaning device, and the two tank bodies operate in parallel to filter water in filtration; in reverse cleaning, the two tank bodies alternatively operate under the combined effect of different valves and the diaphragm type water-driven two-position three-way valve by a water driving mode so as to clean the tank bodies. According to the invention, water with high sand content is treated by a mode of combining filtering and sand discharge so as to solve the problem of blockage during micro irrigation, the filtering effect is good, the head loss is small, the installation and use are convenient, the work is safe and reliable, and the price is low.

Description

technical field [0001] The invention relates to a water-driven filtering and backwashing device and a filtering and backwashing method for micro-irrigation, belonging to the technical field of water-saving irrigation. Background technique [0002] Micro-irrigation is a modern water-saving irrigation technology, which has many advantages such as water saving, energy saving, and production increase. However, micro-irrigation is characterized by the use of irrigators such as drippers, micro-sprinklers, and drip irrigation belts with small orifices. They are easily blocked by various dirt in the irrigation water, resulting in uneven irrigation of the micro-irrigation system, resulting in Crops are not adequately and timely watered and yields are reduced. The practice of micro-irrigation projects shows that even if a screen filter is installed in the micro-irrigation system, solid sand and other dirt in the water can be removed, but the algae, microorganisms, bacterial clusters,...

Claims

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Application Information

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IPC IPC(8): B01D24/14B01D24/46B01D35/12
Inventor 邱元锋孟戈李小平
Owner 邱元锋
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