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Waste gas treatment apparatus and asphalt mixture heat regeneration equipment

A waste gas treatment device and asphalt mixture technology, which is applied in lighting and heating equipment, combustion methods, combustion types, etc., can solve the problems that the waste gas cannot be treated, and the service life of filter bags that affects the use of dust collectors, etc.

Active Publication Date: 2014-11-26
ZOOMLION HEAVY IND CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The structure of this method is simple, but the harmful exhaust gas cannot be treated, and the asphalt fume in the exhaust gas is easy to adhere to the filter bag of the dust collector, which affects the use effect of the dust collector and the service life of the filter bag

Method used

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  • Waste gas treatment apparatus and asphalt mixture heat regeneration equipment
  • Waste gas treatment apparatus and asphalt mixture heat regeneration equipment
  • Waste gas treatment apparatus and asphalt mixture heat regeneration equipment

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Embodiment Construction

[0020] The present invention will be described in further detail below in conjunction with specific embodiments and accompanying drawings.

[0021] figure 1 The asphalt mixture thermal recycling plant 1 in some embodiments of the invention is shown, which may include a first drying plant 10 for heating old asphalt material, a second drying plant 20 for heating new aggregate, and a The exhaust gas conveying device 30 that transports the asphalt fume generated during the heating and regeneration of the old asphalt material to a predetermined area for treatment, the first drying equipment 10 and the second drying equipment 20 can be arranged side by side in some embodiments.

[0022] The first drying device 10 may include a first drying drum 11 , a first burner 13 and a first flame cylinder 15 in some embodiments. The first burner 13 is correspondingly arranged at the head of the first drying drum 11, and is used to provide the first drying drum 11 with the high-temperature flue...

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Abstract

A waste gas treatment apparatus and an asphalt mixture thermal regeneration device (1). The waste gas treatment apparatus is used for treating asphalt smoke produced in a thermal regeneration process of an old asphalt material and comprises at least one combustor (13, 23) and a waste gas lead-out pipeline (31) that is used for leading waste gas with asphalt smoke out of old asphalt material drying rollers (11, 21). The waste gas treatment apparatus further comprises at least one flame tube (15, 25) and at least one waste gas distribution pipeline (33, 35); the at least one flame tube (15, 25) matches with the at least one combustor (13, 23), and the at least one waste gas distribution pipeline (33, 35) conveys the waste gas led out by the waste gas lead-out pipeline (31) into the at least one flame tube (15, 25) for combustion. The waste gas treatment apparatus can effectively reduce or eliminate flammable gas such as asphalt smoke in the waste gas.

Description

technical field [0001] The invention relates to an exhaust gas treatment device, in particular to an exhaust gas treatment device for a drying drum. Background technique [0002] Thermal regeneration of asphalt mixture is to make the damaged old asphalt pavement through milling, digging and crushing to form old asphalt mixture, and then heat and regenerate it. Finally, according to a certain proportion, it is mixed with new asphalt, aggregate and other materials to form a new asphalt mixture. During the heating and regeneration process of old asphalt materials, when the temperature of asphalt rises to a certain level and contacts with water vapor, it will produce a "distillation" effect and produce a large amount of asphalt smoke, also known as "blue smoke". This asphalt smoke contains a carcinogen - benzopyrene. Therefore, the emission of asphalt fumes must be properly handled. In the related technology, the waste gas produced by heating and regenerating the old asphalt ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E01C19/10F23G7/06
CPCE01C19/08F23G7/065E01C19/1004
Inventor 尹友中张俊王俊杰丁伊章代五祥
Owner ZOOMLION HEAVY IND CO LTD
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