JPH052041B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial Field of Application] The present invention relates to a kneading method using a mixer in an asphalt plant that produces an asphalt mixture that is a road paving material.

[Prior Art] When kneading materials for an asphalt mixture, an operator inputs the compounding number and vehicle loading amount corresponding to the type of asphalt mixture to be kneaded from the keyboard on the operation panel, and then the asphalt mixture corresponding to the compounding number is mixed. The blending amount of each material (aggregate, stone powder, asphalt) is selected and measured, and the asphalt mixture is sequentially charged into the mixer according to the material input pattern (input order and interval) for dry mixing and Wet mixing is performed for a predetermined period of time. The charging pattern is initialized and stored in advance on the operation panel, and can be modified, but unless it is modified, the asphalt mixture material will be charged and kneaded based on the initially set charging pattern at the time of execution.

[Problems to be Solved by the Invention] However, recently, asphalt mixtures for colored pavement and asphalt mixtures mixed with asphalt pavement waste have come to be manufactured.

Therefore, in the conventional one-type input pattern,
There was no problem in kneading general asphalt mixtures such as dense-grained asphalt and coarse-grained asphalt mixtures, but when kneading the diversifying special asphalt mixtures mentioned above, the order and interval of adding the kneading materials must be adjusted for each product type. If not changed, the kneading performance of the mixer and quality may deteriorate. Although the current operation panel allows the feeding pattern to be corrected each time, it is cumbersome and requires an experienced operator to operate it.

[Means for Solving the Problems] In view of the above-mentioned points, the present invention aims to solve the above-mentioned problems by determining the quality of the asphalt mixture in advance when kneading the materials of the asphalt mixture batch by batch using a mixer. The input order and intervals of the asphalt mixture materials such as aggregate, stone powder, asphalt, coloring agents, and asphalt pavement waste materials that are input into the mixer are determined, and these input patterns are stored in advance in the computer, and the input patterns are stored in advance for each product type. When the recipe number set in is instructed to be input, select the material input pattern for the asphalt mixture corresponding to the recipe number, and knead while sequentially inputting each ingredient of the asphalt mixture into the mixer according to the input pattern. The present invention provides a kneading method using a mixer in an asphalt plant, which is characterized by:

[Operation] According to the present invention, the input pattern of each material determined for each type of asphalt mixture is stored in advance in the computer, and when kneading the materials of the asphalt mixture, the blending number set for each type is stored in the computer. If you input the input instruction, the mixture content and feeding pattern corresponding to the mixture number will be searched and selected, each material of the asphalt mixture will be weighed according to the set mixture, and it will be sequentially fed into the mixer according to the set feeding pattern. It is kneaded.

[Example] Embodiments of the present invention will be described below based on the drawings.

Once the type of asphalt mixture is determined, the mixing ratio of the asphalt mixture's materials (aggregate, stone powder, asphalt) will be determined. Furthermore, when special materials are mixed, the proportions of colorants and asphalt pavement waste materials are also determined. When kneading each of these materials with a mixer, in order to fully demonstrate the kneading performance of the mixer and produce a high-quality asphalt mixture according to the type of asphalt mixture to be manufactured, it is necessary to use a mixer for each material of the asphalt mixture. It is thought that there is an optimal input pattern for each product type, and the optimal input pattern is discovered based on the way of thinking about kneading and the experience of actual kneading. The input pattern for each of these materials is registered in the computer in the initial operation for each type of asphalt mixture. The amount of compounding per weight), the kneading time, and each material input pattern (input order and interval of each material) are input into the computer 1 and stored in the RAM 2 in advance. When kneading the materials for an asphalt mixture, if you enter the compounding number and the loading amount per car into the computer 1, the computer 1 will be able to input the loading amount per car and the computer 1 in advance.
Calculate each batch kneading amount from the mixer capacity input in When the amount is calculated, the kneading time and the material input pattern are extracted, and each data is set in the data setting section 3, the measurement of each material for one mixer batch is started, and after the measurement is completed, the measurement is performed according to the set material input pattern. Each material is then sequentially put into a mixer and kneaded for a set kneading time to complete the kneading step 4 for one batch and discharged as an asphalt mixture.

[Effects of the Invention] As described above, in the present invention, the input pattern of each material to the mixer is registered in the computer for each type of asphalt mixture, and when kneading each material, the pattern for each type of asphalt mixture is registered. If you input the set recipe number into the computer,
A feeding pattern suitable for each type of asphalt can be automatically selected, and the kneading performance and quality of the mixer can be improved when a batch mixer is used to produce various types of asphalt mixtures.

[Brief explanation of the drawing]

FIG. 1 is an explanatory diagram showing an embodiment of the kneading method of the present invention. 1... Computer, 2... RAM, 3... Data setting section, 4... Kneading process.

Claims (1)

[Claims] 1. When kneading the asphalt mixture materials one batch at a time using a mixer, input the asphalt mixture materials such as aggregate, stone powder, asphalt, coloring agent, asphalt pavement waste, etc. into the mixer in advance according to the quality of the asphalt mixture. The order and feeding interval are determined, these feeding patterns are stored in the computer in advance, and when a combination number set for each product type is input, the material feeding pattern for the asphalt mixture corresponding to the mixture number is selected. A method for kneading using a mixer in an asphalt plant, characterized in that each ingredient of the asphalt mixture is kneaded while being sequentially introduced into the mixer according to the input pattern.