Test board for measuring overall flow velocity of submersible mixer, and method for measuring overall flow velocity of submersible mixer
A technology of submersible mixer and test bench, which is applied in the direction of measuring device, fluid velocity measurement, velocity/acceleration/shock measurement, etc. It can solve the problems that it is difficult to meet the needs of industrial production and quantitatively provide submersible mixer, so as to avoid Liquid back-mixing, stable flow field, and improved test accuracy
Active Publication Date: 2015-11-11
JIANGSU UNIV
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[0005] The purpose of the present invention is to propose a test bench and method for measuring the overall flow velocity of a submersible mixer in view of the problem that the overall flow velocity of the agitation degree of the submersible mixer cannot be given quantitatively at present, and it is difficult to meet the needs of industrial production
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[0052]In describing the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer" ” and other indicated orientations or positional relationships are based on the orientations or positional relationships shown in the accompanying drawings, which are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, with a specific configuration and operation, and therefore should not be construed as limiting the invention.
[0053] In the present invention, unless otherwise clearly specified and limited, terms such as "installation", "connection", "connection" and "fixation" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection , or integrally connected; it may be mechanically connected or electrically connected...
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The invention belongs to the technical field of fluid and chemical engineering, and relates to a test board for measuring the overall flow velocity of a submersible mixer and a method for measuring the overall flow velocity of a submersible mixer. The test board comprises a submersible mixer and a cone-shaped five-hole probe which are arranged in a sewage treatment pool, wherein the sewage treatment pool is a road-shaped pool; the cone-shaped five-hole probe is connected with an input end of a signal collector through a pressure sensor; and an output end of the signal collector is connected with a computer. The test board for measuring the overall flow velocity of a submersible mixer can measure the overall flow velocity of a submersible mixer by means of the integral principle, wherein the measuring process includes starting measurement from the position which is about 40mm apart from an impeller axis of the submersible mixer (dmin=40mm); moving to two sides point by point by the increment (each d=80) to measure the mean flow velocity in each anchor ring until the measured mean flow velocity is less than the minimum flow velocity Vmin so as to determine the maximum diameter dmax of a circle; and then obtaining the overall flow velocity. The invention provides the method for measuring the overall flow velocity of the submersible mixer, and designs the test board for measuring the overall flow velocity of the submersible mixer for the measuring method, thus being able to provide accurate experimental data for a factory inspection report of the mixer.
Description
technical field [0001] The invention relates to the technical fields of fluid and chemical industry, in particular to a test bench and method for measuring the overall flow velocity of a submersible mixer. Background technique [0002] Sewage treatment is an important measure for environmental protection departments and enterprises to solve wastewater pollution in environmental pollution. Submersible mixer is a new type of efficient sewage treatment mixing machine, which is widely used in industrial, urban and rural sewage treatment. The submersible mixer for sewage is a kind of forced mixing equipment, which is suitable for mixing various types of sewage treatment. It can stir and mix the surrounding water body, thereby improving the efficiency of sewage treatment. [0003] Effective agitation is achieved under bulk flow conditions, where the media in the tank as a whole is in motion and becomes part of the agitation process. To this day, bulk flow rate is still the most f...
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IPC IPC(8): G01P5/02
Inventor 刘厚林明加意董亮白羽肖佳伟谭林伟
Owner JIANGSU UNIV
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