Machine-made sand water content control system and sand making equipment

A control system and a technology for machine-made sand, applied in the fields of sand making equipment and water content control system of machine-made sand, can solve the problems of inaccurate control of water content of machine-made sand, unstable water content of machine-made sand, etc., and achieve stable and controllable water content. accurate effect

Active Publication Date: 2017-10-20
CHINA RAILWAY CONSTR HEAVY IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this kind of machine-made sand water content control system is not accurate enough to control the water content of machine-made sand, and the water content of machine-made sand after water content control is unstable.

Method used

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  • Machine-made sand water content control system and sand making equipment
  • Machine-made sand water content control system and sand making equipment
  • Machine-made sand water content control system and sand making equipment

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Embodiment Construction

[0031] In order to enable those skilled in the art to better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described The embodiments are only some of the embodiments of the present application, but not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without creative efforts shall fall within the scope of protection of this application.

[0032] According to the regulations in GB / T 14684-2011 "Sand for Construction", the water content of sand is calculated according to the following formula:

[0033]

[0034] In the formula,

[0035] Z——moisture content, %;

[0036] G 2 - the mass of the sample before drying, in grams (g);

[0037] G 1 ——The mass of the sample afte...

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PUM

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Abstract

The invention discloses a machine-made sand water content control system. The system comprises a finished sand weighing device, a water content monitoring device, a water content adjusting device and a control device, wherein the finished sand weighing device is used for measuring the weight of finished machine-made sand; the water content monitoring device is used for detecting water content information of the machine-made sand and sending the water content information to the control device; the control device is used for receiving the water content information, calculating the amount of water to be added to the finished machine-made sand according to the water content information and the weight of the finished machine-made sand and sending a control signal to the water content adjusting device; the water content adjusting device is used for receiving the control signal and adding the water in the required water amount to the finished machine-made sand. The machine-made sand water content control system can control the water content of the machine-made sand accurately and the water content of the machine-made sand subjected to water content control is stable.

Description

technical field [0001] The application relates to the technical field of building material preparation, in particular to a water content control system for machine-made sand. The application also relates to sand making equipment, which adopts the water content control system for machine-made sand. Background technique [0002] At present, with the depletion of natural sand resources and the gradual prohibition of mining, machine-made sand is increasingly used in construction and engineering fields to replace natural sand. An important indicator for judging the quality of machine-made sand is its water content. When preparing concrete, when the amount of water added to each square of concrete is constant, the fluctuation of the water content of machine-made sand will reduce the strength and life of concrete. Therefore, machine-made sand is in use. Previously it was necessary to control its moisture content. [0003] In the prior art, a water inlet system is set up to control...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B14/06
CPCC04B14/06
Inventor 刘飞香王金锋刘在政麻成标胡章定邹海炎杨佩董明晶张圣蔡志山陈飞红陈映林
Owner CHINA RAILWAY CONSTR HEAVY IND
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