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Weighing and water adding system of asphalt mixing station

An asphalt mixing and mixing bin technology, which is applied in mixers, mixer accessories, dissolving and other directions, can solve problems such as affecting the accuracy of water addition and large errors, and achieve the effects of improving water adding efficiency, high degree of automation, and increasing accuracy.

Pending Publication Date: 2021-12-24
河南省光大路桥工程有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The method of calculating the amount of water added by detecting the amount of water injection and drainage increases the automation to a certain extent, but there are still large errors in the process of detecting the amount of water injection and drainage, which affects the accuracy of adding water

Method used

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  • Weighing and water adding system of asphalt mixing station
  • Weighing and water adding system of asphalt mixing station
  • Weighing and water adding system of asphalt mixing station

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039] Such as Figure 1-3 As shown, a weighing and adding water system of an asphalt mixing station includes a mechanical module, a PLC terminal module, and a server module; the mechanical module includes a water storage bin 1, a mixing bin 2, a downpipe 3, and a solenoid valve 4; There is a downpipe between the warehouses, the downpipe is provided with a solenoid valve, and the solenoid valve is controlled by a PLC terminal module; the PLC terminal module controls the terminal module to include water filling information query, water filling information statistics, water filling information warning, water filling Status Display;

[0040] The server module includes solenoid valve start, water addition data import, alarm analysis, and short message sending; the server also includes a flow monitoring system, which includes a data acquisition module, a control module, and a data transmission module. The data acquisition module includes a flow rate monitoring system. sensor, PLC ...

Embodiment 2

[0045] Such as Figure 3-6 As shown, on the basis of Embodiment 1, a method for adding water to the weighing water adding system of an asphalt mixing plant includes the following steps: S1, according to the ratio of materials and water, enter the amount of water added through the PLC controller;

[0046] S2, the system detects whether it is running normally, imports the water adding data into the server module, and controls to open the solenoid valve to add water, after the processing of the PLC preset program, and monitors the flow of the downpipe in real time through the flow monitoring system, and obtains the water adding time;

[0047] S3, the PLC terminal module judges whether the system is in the state of adding water, and when the water is added to the preset time, the system automatically closes the solenoid valve to complete the water addition; if the water adding time exceeds the preset water adding time, the alarm device is activated to give an alarm, and the alarm d...

Embodiment 3

[0050] On the basis of Embodiment 2, the data analysis module specifically includes the following steps a, data feature extraction, segmenting the flow data obtained by the data acquisition card, and then performing feature extraction for each section of flow data, selecting time domain, Data characteristics in frequency domain and time-frequency domain; b. Establish a database, process the data characteristics in layers according to the flow rate of the sewer pipe, and use a clustering algorithm to find the cluster center for the signals of each layer, and obtain a small number of data sets. A small number of data sets are recorded for classification training, and the training results are extracted and stored in the database; c, the new database is layered, and for the new database, firstly calculate the data center of each cluster through clustering, and then compare with the database established in b Take the Euclidean distance between the cluster centers of each layer, and ...

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Abstract

The invention discloses a weighing and water adding system for an asphalt mixing station. The weighing and water adding system comprises a mechanical module, a PLC terminal module and a server module; the mechanical module comprises a water storage bin, a mixing bin, a sewer pipe and an electromagnetic valve; the sewer pipe is arranged between the water storage bin and the mixing bin, the sewer pipe is provided with the electromagnetic valve, and the electromagnetic valve is controlled by the PLC terminal module; the PLC terminal module controls the terminal module and comprises water adding information inquiry, water adding information statistics, water adding information early warning and water adding state display; by arranging a PLC control system, automatic water adding is conducted, the automation degree is high, time and labor are saved, and the water adding efficiency is improved; and a flow monitoring system is arranged in the sewer pipe, flow data are analyzed and processed, and the accuracy of flow monitoring is improved, so that the water adding amount is accurately controlled, and the asphalt mixing quality is improved.

Description

technical field [0001] The invention belongs to the technical field of asphalt mixing, and in particular relates to a weighing and adding water system of an asphalt mixing station. Background technique [0002] In the process of mixing materials in traditional asphalt mixing plants, the method of weighing is generally used to weigh water and materials according to the ratio, and then add them to the mixing station for statistical mixing treatment. , it is necessary to repeatedly weigh materials and water, the process is complicated, the mixing efficiency is low, time-consuming and labor-intensive, and the degree of automation is low; and in the actual weighing process, it is considered that the error generated when weighing a large weight Larger, resulting in an error between the amount of water added and the actual material ratio, affecting the quality of the asphalt mixed. [0003] Chinese patent application number 200810105773.0 discloses a mixing equipment water adding ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01F15/02B01F15/00
Inventor 韩钿雨刘小兵周帅李守帅朱元可
Owner 河南省光大路桥工程有限公司
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