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Batching control method and system of concrete batching plant

A control method and concrete technology, applied in the direction of control devices, etc., can solve the problems of over-tolerance measurement and low batching efficiency, and achieve the effect of preventing over-tolerance and improving batching accuracy.

Active Publication Date: 2015-04-29
SANY AUTOMOBILE MFG CO LTD
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Problems solved by technology

If the modification is not timely or the parameters are set incorrectly, it will cause problems such as measurement out-of-tolerance and low batching efficiency

Method used

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  • Batching control method and system of concrete batching plant
  • Batching control method and system of concrete batching plant

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Embodiment Construction

[0020] It should be noted that, in the case of no conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and examples.

[0021] figure 1 The flow chart of the batching control method of the concrete batching plant provided by the embodiment of the present invention; figure 1 As shown, the batching control method of the concrete batching plant may include:

[0022] Step 11: Real-time sensing of the net weight value of the material in the weighing hopper of the concrete mixing plant.

[0023] Step 12: Calculate the difference between the preset target ingredient value and the net weight value of the material in real time to obtain the actual required ingredient value.

[0024] Then determine whether the actual required ingredient value is greater than the preset second threshold (can be understood as the mid-range...

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Abstract

The invention discloses a batching control method and system of a concrete batching plant. The batching control method of the concrete batching plant comprises the following steps: sensing the first weight value of materials in a weighing hopper of the concrete batching plant when a first closing instruction is given, wherein the first closing instruction is used for controlling a rough weighing door or / and a fine weighing door of the concrete batching plant to close; sensing the second weight value of the materials in the weighing hopper of the concrete batching plant when the rough weighing door or / and the fine weighing door of the concrete batching plant is / are closed, and starting a fine weighing pulse batching manner; computing the material difference value between the second weight value and the first weight value; computing and updating a current first threshold according to the material difference value and a preset fine weighing pulse frequency or according to the first threshold and the preset fine weighing pulse frequency, wherein the first threshold is the weight threshold of materials giving the first closing instruction in the batching process of concrete. The batching control method and system of the concrete batching plant can be used for realizing automatic and precise batching.

Description

technical field [0001] The invention relates to the technical field of mixing, in particular to a batching control method and system for a concrete mixing plant. Background technique [0002] The aggregate batching process of the existing mixing station generally adopts the mode of rough weighing and fine weighing. That is to open the coarse weighing gate and the fine weighing gate to feed materials together. When the feed reaches the fine setting threshold, close the coarse weighing gate and the fine weighing gate, and use the fine weighing gate to feed the material in a pulsating way to control the accuracy of feeding. . The so-called precise pulse batching method refers to the use of pulse signals to control the switch of the precision gate. When the pulse signal is at a low level, the precision gate is closed, and when the pulse signal is at a high level, the precision gate is opened. The pulse waveform used to control the precise pulsation can be referred to as the pr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B28C7/02
CPCB28C7/02
Inventor 钟辉平魏承威易锡年
Owner SANY AUTOMOBILE MFG CO LTD
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