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A mixing method for high-performance emulsified asphalt plant mixed cold recycled mixture

A technology for cold recycling mixture and asphalt mixture, which is applied in the field of cold mixing and recycling in asphalt plants, can solve the problems of occupying tense land resources, pollute the environment, environmental pollution, etc. Longevity and the effect of ensuring the quality of paving

Active Publication Date: 2015-10-28
BEIJING SAINT GROUND HIGHWAY TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] my country's highway construction is developing rapidly, among which a large number of first- and second-level highways have been rebuilt into expressways. The waste generated during the reconstruction process has become increasingly serious in polluting the environment, prompting my country to accelerate the research on regeneration technology, and the early-built expressways have entered the period of overhaul , resulting in a large amount of old asphalt materials, if the old materials are discarded, it will not only occupy tense land resources and pollute the environment, but also cause a great waste of resources and cause environmental pollution

Method used

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  • A mixing method for high-performance emulsified asphalt plant mixed cold recycled mixture

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Embodiment 1

[0025] The invention provides a mixing method of high-performance emulsified asphalt plant mixed cold recycled mixture, comprising the following steps:

[0026] Step 1. Mix the old asphalt mixture with a diameter of 0-20mm and the new asphalt mixture with a diameter of 10-30mm according to the ratio of 75:15, and put them into a mixing tank after mixing. The mixing tank has an oval upper opening The tank body, and the stirring tank body is divided into two parts by a curved plate, the curved plate is two curved parts arranged in opposite directions, and a plurality of protrusions are arranged on each surface of the curved plate, and the length of the protruding protrusions is 1 / 15 of the long axis of the oval first mixing tank, the protrusions are triangular cone-shaped protrusions, and are evenly distributed on each side of the curved plate, the mixed new and old asphalt mixture is put into the first part, set in The first stirring head in the first part is driven by the firs...

Embodiment 2

[0032] The invention provides a mixing method of high-performance emulsified asphalt plant mixed cold recycled mixture, comprising the following steps:

[0033] Step 1. Mix the old asphalt mixture with a diameter of 0-20mm and the new asphalt mixture with a diameter of 10-30mm according to the ratio of 75:15, and put them into a mixing tank after mixing. The mixing tank has an oval upper opening The tank body, and the stirring tank body is divided into two parts by a curved plate. The curved plate is four curved parts arranged oppositely in pairs. Each surface of the curved plate is provided with a plurality of protrusions, and the protruding protrusions The length is 1 / 20 of the long axis of the first oval mixing tank, and the protrusions are triangular conical protrusions, which are evenly distributed on each surface of the curved plate, and the mixed old and new asphalt mixture is put into the first part, The first stirring head arranged in the first part is driven by the f...

Embodiment 3

[0039] The invention provides a mixing method of high-performance emulsified asphalt plant mixed cold recycled mixture, comprising the following steps:

[0040] Step 1. Mix the old asphalt mixture with a diameter of 0-20mm and the new asphalt mixture with a diameter of 10-30mm according to the ratio of 75:15, and put them into a mixing tank after mixing. The mixing tank has an oval upper opening The tank body, and the stirring tank body is divided into two parts by a curved plate. The curved plate is four curved parts arranged oppositely in pairs. Each surface of the curved plate is provided with a plurality of protrusions, and the protruding protrusions The length is 1 / 18 of the long axis of the oval first mixing tank, the protrusion is a mushroom-shaped protrusion, the diameter ratio of the mushroom head to the mushroom neck is 1.56:1, and the mixed old and new asphalt mixture is put into the first part , the first stirring head arranged in the first part is driven by the fi...

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Abstract

The invention discloses a mixing method of a high-performance emulsified asphalt plant-mixed cold-recycling mixture, which comprises the following steps: mixing an old asphalt mixture with a new asphalt mixture according to a certain proportion, and then putting into a stirring tank body, wherein the stirring tank body is an elliptical top-opening tank body and is separated into two parts by a bent plate; putting the mixed new-old asphalt mixture into the first part and stirring; enabling the bent plate to rotate so that the mixture is driven to rotate and finally stop at a position where the mixture is limited in the second part; mixing the mixture with a certain amount of cement powder and aluminum smelting waste residue, and stirring; spraying a certain amount of emulsified asphalt into the mixture doped with the cement and aluminum smelting waste residue from the direction above the second part of the stirring tank body; squeezing in a certain amount of water through a bottom opening of the second part of the stirring tank body; and stirring. The method can improve the mixing quality of the emulsified asphalt and realize uniform coating of the emulsified asphalt so as to guarantee the pavement quality.

Description

technical field [0001] The invention relates to the field of asphalt plant cold regeneration, in particular to a mixing method for high-performance emulsified asphalt plant cold regeneration mixture. Background technique [0002] my country's highway construction is developing rapidly, among which a large number of first- and second-level highways have been rebuilt into expressways. The waste generated during the reconstruction process has become more and more polluting to the environment, prompting my country to accelerate the research on regeneration technology, and the early-built expressways have entered the period of overhaul , resulting in a large amount of old asphalt materials, if the old materials are discarded, it will not only occupy tense land resources and pollute the environment, but also cause a great waste of resources and cause environmental pollution. And road construction needs high-quality asphalt materials and stone materials. Extensive use of new stone m...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E01C19/10
Inventor 孙斌刘辉明陈京钰江涛
Owner BEIJING SAINT GROUND HIGHWAY TECH
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