Highly precise V-shaped funnel measurement apparatus of cement paste

A cement slurry cleaning and measuring device technology, which is applied in the direction of measuring device, DC flow characteristic measurement, measuring flow/mass flow, etc., can solve the problem that the opening time of the leak-proof support plate is not synchronized with the recording start time, and the time cannot truly reflect the cleaning slurry Problems such as flow characteristics, large manpower consumption, etc., to achieve effective fixation, easy installation and disassembly, and simple principle
CN106596339APending Publication Date: 2017-04-26TSINGHUA UNIV
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Patent Information

Authority / Receiving Office
CN ยท China
Current Assignee / Owner
TSINGHUA UNIV
Publication Date
2017-04-26

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Abstract

The invention relates to a highly precise V-shaped funnel measurement apparatus of a cement paste. The apparatus comprise an electromagnetic system, a probe control system, a data transmission system, a data receiving system and a data analysis system. An electromagnetic field converter 5 controls the closure and the opening of a funnel leakage preventing support plate, an ultrasonic emitter 6 and an ultrasonic receiver 10 are respectively fixed in measuring points at two sides of the outlet of a V-shaped funnel by annular buckles 9, ultrasonic test data is transmitted to the control system 1 through an ultrasonic data line 3, the control system 1 immediately analyzes and records the data, and the flowing duration of the paste in the funnel is displayed on a display panel. The apparatus adopting the electromagnetic system and the ultrasonic system realizes fully-automatic, highly-precise and highly-efficient recording of the flow duration of the cement paste in the V-shaped funnel, and solves the problem of low timing precision of the V-shaped funnel.
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Description

technical field

[0001] The invention relates to a high-precision V-shaped funnel measuring device for cement paste, which is mainly used for the experimental research of testing the working characteristics of cement paste. Background technique

[0002] Cement slurry is a slurry prepared from materials such as cement, pulverized coal, water and water reducing agent according to a specific ratio. Its working performance mainly includes fluidity and stability. V-shaped funnel is an important tool to measure its fluidity, and its flow time in V-shaped funnel is a key parameter to characterize fluidity. How to accurately and conveniently record cement net The flow time of the slurry in the V-shaped funnel is very necessary. The traditional method is to block the outlet of the V-shaped funnel with a simple leak-proof plate. When the cement paste is full of the V-shaped funnel, the leak-proof plate is manually opened, and the stopwatch button is pressed at the same time to judge t...

Claims

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