Powder metering control system, method and device

A technology for controlling system and powder, applied in the field of systems and devices, powder metering control method, can solve problems such as deviation, and achieve the effect of reducing deviation

Active Publication Date: 2013-04-03
ZOOMLION HEAVY IND CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The embodiment of the present invention provides a powder metering control method, system and device to solve the problem in the prior art that there is a deviation between the measured value of the powder scale and the actual weighing value

Method used

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  • Powder metering control system, method and device
  • Powder metering control system, method and device
  • Powder metering control system, method and device

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Embodiment Construction

[0023] At present, the structure of the powder metering control system including powder scales and other stirring mechanical products in the prior art is as follows: figure 1 shown. In addition to the powder scale, the system also includes the mixing main engine, the transition bucket, the soft connection of the powder scale, the butterfly valve of the powder scale, the vent pipe joint 1, the vent pipe joint 2, the vent connection pipe, the spiral motor, the spiral pipe, the spiral pipe soft connection and Powder scale breathable cap and other mechanical structures. Among them, the soft connection of the powder scale and the transition bucket are sequentially connected between the powder scale and the mixing main engine; the powder scale butterfly valve is also installed on the upper part of the powder scale soft connection and the bottom of the powder scale. In addition, the vent pipe joint 1 on the powder scale is connected to the vent pipe joint 2 on the mixing main machin...

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Abstract

The invention discloses a powder metering control system, method and device. The impact of air flow in an agitating host machine in the powder metering process to power metering is effectively eliminated, so that negative pressure in the metering process is fundamentally avoided. The system comprises a powder scale, the agitating host machine, a powder scale butterfly valve between the powder scale and the agitating host machine, and a powder scale separation butterfly valve between the powder scale butterfly valve and the agitating host machine.

Description

technical field [0001] The invention relates to a stirring mechanical product, in particular to a powder metering control method, system and device. Background technique [0002] Powder is an important cementitious material for concrete products, and its metering accuracy plays a vital role in the quality of concrete products. If the powder metering result is lower than the ratio value, the concrete strength of the concrete product will be insufficient, causing subsequent Project quality and safety hazards; if the powder measurement result is too high compared to the ratio value, it will cause waste of powder, increase the cost of materials, and in extreme cases, it will cause plugging of pumping pipes. Therefore, accurate powder measurement is one of the important research and development contents of each mixing plant equipment supplier, and it is also one of the important consideration indicators when mixing plant customers purchase equipment. [0003] At present, the pow...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B28C7/06G01G13/24
Inventor 周杰邓立波罗建利齐华陈兵
Owner ZOOMLION HEAVY IND CO LTD
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