Self-cleaning sand basin

A desilting tank and self-cleaning technology, which is applied in the field of online monitoring of surface water and self-cleaning desilting tanks, can solve the problems of missing needles in water quality testing data, high operating costs and maintenance costs, and achieve increased efficiency and speed of desilting, reducing costs. Reduced, easy-to-install effect

Active Publication Date: 2011-05-25
HANGZHOU GREAN WATER SCI & TECH INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to solve the problems of missing needles, high operating costs and high maintenance costs in the water quality detection data in the water sample sedimentation treatment in the prior art surface water online monitoring

Method used

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  • Self-cleaning sand basin
  • Self-cleaning sand basin
  • Self-cleaning sand basin

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] Embodiment one, see appendix figure 1 , figure 2 As shown, a self-cleaning grit chamber, comprising a grit chamber main body 1, the grit chamber main body is provided with a water sample inlet for introducing and detecting water samples, a water outlet for discharging water samples, an overflow outlet, and an external flushing water The mains water inlet and the sampling port for collecting water samples. The main body 1 of the grit chamber is a water storage container welded by cylindrical PVC pipes, pipe caps and standard pipe fittings. The water sample inlet is located on the side wall near the bottom and connected to the water inlet pipe (diameter D32). The drain port is connected to the drain pipe (diameter D32), which is located at the bottom of the main body of the grit chamber, and the water sample inlet and drain port are externally connected to an electric ball valve. The sampling port is located above the middle of the main body of the grit chamber, and is...

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Abstract

A self-cleaning sand basin belongs to the technical field of environment detection. The self-cleaning sand basin comprises a sand basin main body provided with a water sample water inlet, a water outlet, an overflowing water outlet, a running water inlet and a sampling opening; the sand basin main body is a cylindrical PVC tube; a piston self-cleaning float bowl is arranged in the sand basin mainbody and comprises a cylindrical float bowl body with a circulating water channel in the middle and a cleaning brush fixed at the bottom end of the bowl body; and the pipe diameter of the cylindricalfloat bowl is 0.8-0.9 times of that of the sand basin main body. The piston float bowl is utilized, thereby solving the self-cleaning difficult problem of scales on the inner wall of the sand basin; the cylindrical sand basin utilizes the natural gravity of the sand basin and the height sediment, and the sediment can be quickly settled to the lower layer in the process of water level rise, thereby greatly improving the sand-setting efficiency and speed, reducing the volume of the sand basin, and saving the consumption of the washing running water. The parts are manufactured by using standard PVC tubular products; therefore, the cost is greatly reduced and the installation is convenient.

Description

technical field [0001] The invention belongs to the technical field of environmental protection water quality on-line monitoring and pretreatment, and particularly relates to on-line monitoring of surface water. Because the water bodies of rivers, lakes and reservoir wetlands are often rich in sediment due to the influence of rain or tide, the invention is used for water quality on-line monitoring to remove A self-cleaning grit chamber designed for the sediment in the water body. [0002] Background technique [0003] In the application of online monitoring of surface water, sedimentation treatment is an essential pretreatment link. At present, a cuboid sedimentation tank welded with stainless steel is commonly used. The volume is generally about 100L. Water samples are pumped into the sedimentation tank by a water pump. , and then stand still for 30 minutes to settle the sand, and then pump the supernatant into the sampling overflow of each analyzer through the secondary p...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N1/34B01D21/04
Inventor 周冰王敏锋李冈生
Owner HANGZHOU GREAN WATER SCI & TECH INC
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