Solution type flow measuring device

A flow measurement device, solution-type technology, applied in fixed measurement chambers, etc., can solve the problem of low flow measurement accuracy, and achieve the effects of simple flow calculation formula, high measurement accuracy, and convenient production and use

Active Publication Date: 2014-09-17
SUZHOU MAICHUANG INFORMATION TECH
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Problems solved by technology

[0003] In order to overcome the shortcomings of the existing flow measurement technology in the case of the large flow rate of the downhole water discharge drilling, the flow measurement accuracy is not high, the present invention provides a solution type flow measurement device, which can more accurately measure the high flow rate and large flow rate flowing out of the pipeline water flow

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Embodiment Construction

[0009] The present invention will be further described below in conjunction with the accompanying drawings.

[0010] Such as figure 1 and figure 2 As shown, the solution-type flow measuring device mainly includes a cavity 1 , a section of water tank 2 , a Martens flask 3 and a solution concentration measuring instrument 4 . The chamber body 1 is bent at 90 degrees, the water tank 2 communicates with the chamber body 1 , and the Martens bottle 3 is arranged above the beginning of the water tank 2 . The cross section of the cavity 1 is a square, and its side length is equal to 2 to 4 times the diameter of the circular pipe that injects the water flow to be measured into the cavity 1 . A Yongshui ridge 5 is provided at the end of the cavity 1 to make the water depth and velocity of the water flowing out of the cavity 1 more uniform in lateral distribution. The vertical section of the Yongshui sill 5 is triangular, and its height is equal to the side length of the cavity 1 cros...

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Abstract

The invention discloses a solution type flow measuring device. The solution type flow measuring device is designed on the basis of a solution dilution method flow measuring principle. The solution type flow measuring device comprises a 90-degree bent cavity used for containing water flow to be measured, a water tank, a Marriott bottle used for feeding a solution at a constant-speed, and a solution concentration measuring instrument, wherein the cavity is communicated with the water tank, the Marriott bottle is arranged above the starting end of the water tank, a water damming bank is arranged at the tail end of the cavity so that the water depth and flow velocity of water flowing out of the cavity can be transversely distributed more uniform, the longitudinal section of the water damming bank is triangular, the water tank is a prism with the top open, and the length of the water tank is no smaller than nine times of the side length of the cross section of the cavity. The solution type flow measuring device is high in measuring precision of large flow, can be used for measuring the flow of water flow ejected out of a pipe, and is particularly suitable for measuring the flow under the conditions that a downhole drainage drilled hole is large in flow of outlet water.

Description

technical field [0001] The invention relates to a flow measuring device, in particular to a solution type flow measuring device. Background technique [0002] It is a basic and important work to measure the water flow rate of the water discharge borehole in the underground water discharge test of the mine. Downhole water discharge and drilling water have the characteristics of a large flow rate variation range, sometimes entraining a large amount of sand and gas in the water, and the particularity of the working conditions of the downhole water discharge test, so that the general instrument for measuring the fluid flow in the pipeline is not suitable for use. In practice In general, a container is used to collect the water flow from the pipe connected to the water discharge borehole, and then the flow rate is obtained by measuring the volume of the container and the time it takes to fill the container. This method has high accuracy when the flow rate is small, but some wate...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01F11/28
Inventor 肖柏青许光泉刘启蒙
Owner SUZHOU MAICHUANG INFORMATION TECH
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