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Asphalt oxidation treatment process

A technology of asphalt oxidation and treatment process, which is applied in the direction of chemically processing tar asphalt/petroleum asphalt/natural asphalt, etc. It can solve the problems of poor circulation, slow discharge speed, waste, etc., so as to improve the full utilization and reduce the floor space. , The effect of improving the discharge speed

Active Publication Date: 2019-02-15
吉林省高等级公路工程有限责任公司
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Problems solved by technology

[0003] When the asphalt is reacting, its circulation is poor. When discharging, the discharge speed is very slow, and some asphalt will adhere to the inner wall of the reactor, causing waste, and it needs to be cleaned later, which is troublesome; the floor space of the agitator Larger, making the operator's operating space smaller during maintenance, affecting maintenance efficiency

Method used

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Embodiment Construction

[0031] In order to make the technical means, creative features, goals and effects achieved by the present invention easy to understand, the present invention will be further described below in conjunction with specific embodiments.

[0032] Such as Figure 1-Figure 7 Shown, a kind of asphalt oxidation treatment process of the present invention, this method comprises the following steps:

[0033] S1, will pass the oxidized bitumen into the bitumen oxidation equipment;

[0034] S2, injecting hot air into the asphalt oxidation equipment in S1, after the asphalt is softened, start the asphalt oxidation equipment to stir the softened asphalt; continuously inject hot air into the asphalt during the stirring process;

[0035] The interior of the asphalt oxidation equipment in S3 and S2 is sealed, and the top of the asphalt oxidation equipment is provided with a pressure valve, and the amount of asphalt added to the asphalt oxidation equipment is 80% of the volume of the asphalt oxid...

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Abstract

The invention relates to the technical field of asphalt oxidation treatment, in particular to an asphalt oxidation treatment process. The process comprises the following steps: S1, introducing oxidized asphalt into asphalt oxidation equipment; S2, introducing hot air into the asphalt oxidation equipment in S1, and after the asphalt is softened, stirring the asphalt; S3, sealing the interior of theasphalt oxidation equipment in S2, and arranging a pressure valve at the top of the asphalt oxidation equipment; S4, mounting a guide rod at the top of the asphalt oxidation equipment, wherein the lower end of the guide rod is located inside the asphalt oxidation equipment, the upper end of the guide rod is located outside the asphalt oxidation equipment, a baffle is arranged at the upper end ofthe guide rod and the baffle is located at an outlet of the pressure valve in S3; S5, after the asphalt oxidation in S4 is finished, discharging the asphalt from the asphalt oxidation equipment. According to the process, the oxidation treatment of the asphalt is realized by introducing hot air into the asphalt, and the hot air is utilized to agitate and cool the asphalt at the same time, so that the sufficient utilization of energy in the asphalt oxidation process is improved.

Description

technical field [0001] The invention relates to the technical field of asphalt oxidation treatment, in particular to an asphalt oxidation treatment process. Background technique [0002] Oxidation method is one of the main methods of asphalt production. Oxidation method can significantly improve the high temperature performance of asphalt products; in the process of asphalt oxidation reaction, the asphalt oxidation reactor is very critical; the existing asphalt oxidation reactor generally includes The kettle body of the outlet and the discharge port is equipped with a motor-connected agitator driven by a motor and a vent line. [0003] When the asphalt reacts, the flowability is poor. When discharging, the discharge speed is very slow, and some asphalt will adhere to the inner wall of the reactor, causing waste, and it needs to be cleaned later, which is troublesome; the floor space of the mixer The large size makes the operating space for workers smaller during maintenance...

Claims

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Application Information

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IPC IPC(8): C10C3/04
CPCC10C3/04
Inventor 肖成美
Owner 吉林省高等级公路工程有限责任公司
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