Pre-purification hydraulic, automatic and selective water intake device

Abstract

The invention discloses a pre-purification hydraulic, automatic and selective water intake device, including a water intake head, a support rack, a concrete anchor pier, a water pipe, a drug feeding pipe, a workbench and an operating room; wherein the water intake head is an integral cylinder, respectively from top to bottom: a balance pontoon, an adjustment water tank, an equipment room and a coagulation basin; two sets of water inlet pipes equipped with waterproof electric valves and water outlet pipes connected with submersible pumps are arranged inside the adjustment water tank, and the drug feeding pipe is arranged in the equipment room; the coagulation basin has a water intake and a water drain pipe, a baffle is arranged in the middle of the coagulation basin, and a coagulant nozzleis arranged above the water intake; the upper end of the support rack is the workbench, the lower end of the support rack is fixed on the bottom of the lake via the concrete anchor pier, and the water intake head can slide on the support rack upward and downward to freely adjust the water intake level; and, the water drain pipe on the water intake head is in turn connected with a metal bellow, a PE water pipe and a fixed water pipe on the bank via flanges. The device is simple in structure and convenient in installation.

Description

technical field [0001] The invention belongs to the technical field of water intake for reservoirs, and relates to a water intake device, in particular to a pre-purification hydraulic automatic selective water intake device capable of coagulation and sedimentation pre-purification and having a self-adjusting water intake depth. Background technique [0002] Deep-water lakes are in a static state for a long time, and are subjected to heat transfer by solar radiation, forming a temperature difference in depth and causing density stratification in the depth of the lake. Water stratification is divided into forward stratification and reverse stratification. Positive stratification generally occurs in summer and autumn. The surface water of lakes and reservoirs is subjected to strong solar radiation and atmospheric heat transfer, and the temperature rises and the density decreases. The lower layer has weak solar radiation, low heat transfer rate, and low water temperature. Heavy...

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Problems solved by technology

[0013] In view of the high turbidity of raw water in the rainy season, the difficulty of treatment by water plants, the complex structure of existing water intake facilities, high energy consumption, and limited construction, the built layered water intake towers have defects such as inflexible adjustment of water quality in both plane and depth directions. The object of the present invention is to provide a pre-purified hydraulic automatic selective water intake device, which can self-adjust the depth of water intake, and has a simple structure, energy saving, flexible adjustment in the longitudinal direction of the water intake head, and can be constructed and installed in the completed reservoir

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