Channel drainage measurement Bacher trough

NegotiableUpdate on 01/17

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Overview

Channel drainage is measured using a Bacher groove, and channel drainage generally uses medium to large Bacher grooves, which are installed in conjunction with civil engineering foundations. The filling part must be compacted, otherwise it is easy to bulge and affect measurement accuracy.

Product Details

Channel drainage measurement Bacher trough

Channel drainage generally adopts medium to large Bachel troughs, which are installed in conjunction with civil engineering foundations. The filling part must be compacted, otherwise it is easy to bulge and affect measurement accuracy. Near channels, downstream channels, and static water wells are constructed with concrete or bricks, coated with cement mortar and pressed smooth; It can also be prefabricated with materials that are corrosion-resistant, resistant to water flow erosion, and do not deform.

The Bacher measuring tank consists of three parts: the inlet section, the throat section, and the outlet section,The approach channel is a straight and flat rectangular open channel, and its length should not be less than 10 times the throat width or 5 times the channel width.The static water well is located on the outer side of the Bacher measuring tank wall, with the distance from the tank wall minimized as much as possible.

Precautions for Measuring Channel Drainage in Bacher Trough:

Precautions

·The Basher TroughcenterlineAlign with the centerline of the channel to prevent water flow from entering the Bacher troughBias current.

·After the Basher trough was filled with water, the waterflow statewantfree flowThe submergence degree of the Bacher trough should be less than the specified critical submergence degree.

·The upstream of the Bacher Trough should have a straight section greater than 5 times the width of the channel to allow water flow to enter the Bacher Trough smoothly. There is neither left nor right bias currentChannel gradientThe momentum generated. (See the figure below)

·The Bacher groove should be securely installed on the channel. The connection with the side walls and bottom of the channel should be tight and not leak water. Make all the water flow through the measuring part of the Bacher trough. The measuring part of the Bacher trough is the throat section inside the trough.

图1 自由度与淹没度

Overall, the Bacher tank is an important fluid measurement device with a wide range of applications and involvement in various industries, such as the chemical, petroleum, pharmaceutical, and food industries. And its service life is relatively long. Generally, it is not easily damaged after being installed firmly.