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Asphalt aging instrument

A technology of asphalt aging tester and material table, which is applied in the field of machinery, can solve the problems that affect the experimental results, the test object is not uniformly exposed to light and sprayed, and achieve the effect of uniform light reception and uniform spraying.

Inactive Publication Date: 2016-02-10
SUZHOU UNIV OF SCI & TECH +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] However, the material table of the existing asphalt rotary film oven is fixed, which causes the test object to be exposed to light and spray unevenly, which affects the experimental results.

Method used

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  • Asphalt aging instrument

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Embodiment Construction

[0014] The specific embodiments of the present invention will be described below in conjunction with the accompanying drawings. Such as figure 1 An embodiment of the shown asphalt aging instrument, the asphalt aging instrument, comprises an external box shell 2 and an internal working chamber 1, and an insulating layer 3 is formed between the box shell 2 and the working room 1, and the insulating layer 3 is filled with glass fiber , an ultraviolet lamp 4 and a shower head 5 are arranged above the studio 1, a material table 6 is provided near the bottom of the studio 1, and a motor 7 is connected to drive the material table 6; and the asphalt aging meter of the present invention uses a precision RTD sensor The temperature of the working chamber is sampled and transmitted to the controller.

[0015] When turning on the asphalt aging instrument, (1), start the power supply first, use the heating "I" gear when heating up, and set the temperature controller to the required tempera...

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Abstract

The invention discloses an asphalt aging instrument which includes a material bench, and an electrode being connected to the material bench to drive the material bench. The rotation speed of the material bench is 15 + / - 0.2 r / min. The material bench is driven by a motor so that the material bench can be rotated at a constant rate, so that materials are irradiated and sprayed uniformly, thereby achieving a result having better scientificity.

Description

technical field [0001] The invention relates to the technical field of machinery, in particular to an asphalt aging instrument. Background technique [0002] Asphalt is an important material in road construction. The aging / hardening of asphalt has a great influence on the performance of asphalt, which is related to the service life of the road surface. The aging of asphalt leads to the decline of asphalt plasticity, poor ductility, and finally loss of use value. The main reasons for asphalt aging are: the active deterioration of the material itself, the influence of sunlight, air oxidation, temperature changes, and the influence of water and humidity. At present, the research methods of asphalt aging mainly include natural aging method and simulated aging test. [0003] At present, the methods for simulating aging tests include: oxygen absorption method, reversed-phase gas-liquid chromatography, film oven method and rotating film oven method (RTFOT). [0004] Rotating film...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N33/42
Inventor 沈菊男石鹏程谢兆星高启聚李新生祝鸿
Owner SUZHOU UNIV OF SCI & TECH
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