A premixing device for rubber powder modified asphalt

A technology of modified asphalt and rubber powder, which is applied in the field of premixing devices for rubber powder modified asphalt, which can solve the problems of not being able to screen, cannot be distinguished, and rubber powder particles should not be too large, so as to achieve a uniform mixing effect

Active Publication Date: 2021-08-03
ZHENGZHOU COMM PLANNING SURVEY & DESIGN INST +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Today's rubber powder modified asphalt premixing devices are generally prepared on site or stored and transported after the factory is prepared. During the processing, the asphalt inside needs to be continuously heated and premixed. If the mixing is not uniform It is impossible to distinguish, and the amount of rubber powder added is strictly required, and the particles of rubber powder should not be too large. The rubber powder is crushed and ground by a grinder, and sometimes some large particles do not meet the requirements. Rubber powder particles are generally not screened when they are stirred in the factory, and they will be roughly weighed when the rubber powder is added. When a large amount of rubber powder is added, the weighing method is inconvenient

Method used

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  • A premixing device for rubber powder modified asphalt
  • A premixing device for rubber powder modified asphalt
  • A premixing device for rubber powder modified asphalt

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0041] Embodiment 1 includes a barrel-shaped casing 1 for mixing asphalt and rubber powder. Inside the casing 1 is a mixture of asphalt and rubber powder. The upper end of the casing 1 is sealed with a shell cover 2. The main part of the shell cover 2 The function is to prevent the asphalt inside from splashing when stirring, and to keep warm. There is an infusion device for pouring rubber powder on the top of the shell 1, and a collection bucket 3 for receiving pre-mixed asphalt under the shell 1. , the pre-mixed rubber asphalt finished product enters the collection bucket 3, and the bracket 4 used to support the whole device. The housing 1 is provided with a stirring device, which needs to be poured into the asphalt first, heated and stirred, and then in the process of stirring Add rubber powder, place the entire bracket 4 on the ground, fix the shell 1 on the bracket 4, the shape of the bracket 4 is not limited to the shape shown in the figure, its function is to fix the who...

Embodiment 2

[0049] Embodiment 2, on the basis of Embodiment 1, the middle of the housing 1 has a hollow stirring column 60 that coincides with the axis of the housing 1, and the outer ring of the stirring column 60 has a helical stirring wheel 61, The outer ring of the stirring wheel 61 contacts the inside of the housing 1, and a crushing column 63 is fitted in the middle of the stirring column 60, and the outer ring of the crushing column 63 has a plurality of leaf-shaped crushing leaves 64. 64 can break up the asphalt-wrapped rubber powder group. The upper end of the stirring column 60 extends out of the stirring port 5, is not connected with the housing 1, and is fixed on the support 4. When working, it rotates by itself, and is connected with the The stirring motor 65 that is fixed on the support 4 is connected, and when being connected with the stirring motor 65, the stirring column 60 is also connected with a heater, and the cylindrical wall of the stirring column 60 is provided with...

Embodiment 3

[0052] Embodiment 3, on the basis of Embodiment 2, several support columns 73 are connected to the upper end of the bucket of the stirring column 60, and through the plurality of support columns 73, the asphalt can enter the inside of the stirring column 60 when it is drawn upward by the stirring column 60, so The upper end of the support is fixedly connected with an auxiliary stirring ring 74, which makes the support more firm. The auxiliary stirring ring 74 is connected to the stirring motor 65, and the stirring motor 65 rotates the stirring ring to make the stirring column 60 rotate.

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Abstract

The invention provides a premixing device for rubber powder modified asphalt, which comprises a shell for stirring asphalt and rubber powder, and a device above the shell for screening and weighing the rubber powder. Screen, then weigh the screened rubber powder, accurately grasp the ratio of rubber powder and asphalt, and then fully mix the rubber powder and asphalt, without causing the accumulation of rubber powder, so that the mixed rubber asphalt more uniform.

Description

technical field [0001] The invention relates to a premixed garbage classification device, in particular to a premixed device for rubber powder modified asphalt. Background technique [0002] Rubber powder modified asphalt refers to the rubber powder made from waste tires, which is added as a modifier to the base asphalt. In a special special equipment, it is bonded by a series of actions such as high temperature, additives and shear mixing. Materials, during the preparation of rubber asphalt, the rubber powder must be evenly dispersed in the asphalt by stirring, and the rubber powder must not form agglomerates, otherwise the quality of rubber asphalt will be seriously affected. When rubber asphalt is processed by thermal swelling method, the rubber powder will float on the surface of the asphalt when it is added. If the rubber powder encounters the high temperature of the asphalt and the solid-liquid two-phase interface without forced premixing, the rubber powder will agglom...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01F13/10B01F15/04B01F15/00B01F15/02
CPCB01F33/813B01F33/83612B01F35/188B01F35/75425B01F35/832
Inventor 惠涛赵圆圆谢详兵韩奇峰白冰魏永强谢芳芳胡威李庆卢部
Owner ZHENGZHOU COMM PLANNING SURVEY & DESIGN INST
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