Method for realizing real-time metering of water-stable mixed materials

A real-time measurement and material technology, used in chemical instruments and methods, batching and batching instruments, batching weighing instruments, etc., can solve problems such as failure to achieve production ratio, deviation, and failure to achieve expected results, and achieve increased accuracy. , the effect of improving the measurement accuracy

Pending Publication Date: 2022-01-04
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

[0004] At present, the metering equipment of the mixing plant in our country is unstable, and the degree of automation control is not high, so that the high-precision production ratio cannot be achieved. There is a certain deviation between the mixture produced by such machinery and the actual production ratio, so that Can't achieve the expected effect

Method used

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  • Method for realizing real-time metering of water-stable mixed materials
  • Method for realizing real-time metering of water-stable mixed materials
  • Method for realizing real-time metering of water-stable mixed materials

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0041] combine figure 1 , a real-time metering method for realizing water-stabilized mixed materials, comprising an air control unit, a metering mechanism and a belt conveyor 100 connected to the metering mechanism, comprising the following steps:

[0042] S1. The material is transported into the transition bin 200 of the metering mechanism, and the transition bin 200 screens the material;

[0043]S2. The air control unit issues a feeding command, the discharge door 2 at the bottom of the transition bin 200 is opened, and materials with different particle sizes are sent into the weighing hopper 300 at the bottom of the transition bin 200, and the air control unit weighs and samples the weighing hopper 300 ;

[0044] S3. When the material in the weighing bucket 300 reaches the upper limit, the air control unit sends an instruction to close the discharge door 2 and detects the total weight of the weighing bucket 300 and the material;

[0045] S4. When the air control unit judg...

Embodiment 2

[0048] combine Figure 1-5 , a device for realizing a real-time metering method for water-stabilized mixing materials, including an air control unit, a metering mechanism, and a belt conveyor 100 connected to the metering mechanism, and the metering mechanism includes a transition bin 200 and a metering bucket 300, The bottoms of the transition bin 200 and the weighing bucket 300 are equipped with a discharge door 2 controlled by an air control unit to start and stop. The material is continuously discharged from the weighing bucket 300. While the material is continuously discharged, the load cell-1 weighs in real time. Measure the weight of the weighing bucket 300 and the remaining material in the weighing bucket 300, the discharged material is the difference between the total weight of the initial weighing bucket 300 and the total weight of the current weighing bucket 300, because the load cell-1 is not affected by the impact of the material , to further improve the accuracy ...

Embodiment 3

[0054] combine Image 6 , the belt conveyor 100 includes a front drum 3, a rear drum 4 and a conveyor belt 5 connecting the front drum 3 and the rear drum 4, and the front drum 3 and the rear drum 4 are provided with evenly spaced rollers for supporting Some guide rollers 6 of the conveyor belt 5, the belt conveyor 100 is provided with a weighing section, and the weighing section includes a plurality of guide rollers 6 located between adjacent two guide rollers 6 As well as the weighing idler roller 7 arranged between two adjacent guide idler rollers 6 , the belt conveyor 100 is also provided with a speed sensor 8 for detecting the running speed of the conveyor belt 5 .

[0055] The weighing idler 7 is connected with a load cell 2 9 through a weighing platform, and the load cell 9 and the speed sensor 8 are all connected to the air control unit through a PLC controller, and the PLC controller is connected to the air control unit according to the speed The measured value of th...

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Abstract

The invention relates to a method for realizing real-time metering of water-stable mixed materials. A pneumatic control unit, a metering mechanism and a belt conveyor connected with the metering mechanism are included. The method comprises the following steps that S1, the materials are conveyed into a transition bin of the metering mechanism to be screened; S2, the pneumatic control unit sends out a feeding instruction, the materials with different particle sizes are fed into a metering hopper at the bottom of the transition bin, and meanwhile weighing and sampling are carried out on the metering hopper; S3, when the materials in the metering hopper reach the upper limit, the pneumatic control unit closes a discharging door and detects the total weight of the metering hopper and the materials; and S4, when the total weight of the metering hopper and the materials reaches a preset value, the discharging door at the bottom of the metering hopper is opened, the materials are fed into the belt conveyor, and metering of the materials is completed. According to the method for real-time metering, on the basis of an electric control device, the transition bin and the metering hopper are arranged to meter a continuous working occasion, and the transition bin and the metering hopper are cooperatively controlled to obtain the weight or the flow of the materials, so that the metering accuracy is increased.

Description

technical field [0001] The invention belongs to the technical field of water-stabilized mixing, and in particular relates to a real-time metering method for realizing water-stabilized mixing materials. Background technique [0002] Among the high-grade highways built and under construction in my country, the common structure type is semi-rigid base asphalt pavement, and cement stabilized gravel is mostly used in the base. Because the pavement base structure composed of cement stabilized gravel has many advantages such as good integrity, excellent water stability, temperature stability and durability. Therefore, at present, more than 90% of the asphalt pavement bases of high-grade highways use materials such as cement-stabilized macadam. However, in the mixing process of cement-stabilized macadam, many factors will destroy its original gradation. [0003] The mixing of cement-stabilized gravel mixture usually uses continuous mixing equipment, which brings great difficulty to...

Claims

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Application Information

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IPC IPC(8): B28C7/04B28C7/00
CPCB28C7/044B28C7/0431B28C7/0418B28C7/0404B28C7/0007
Inventor 陈晓东韩钿雨崔伟松孙思行李晓峰
Owner 河南省光大路桥工程有限公司
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