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Environment-friendly facility for asphalt mixing plant

An asphalt mixing station and asphalt mixing technology, which is applied in the direction of road, dispersed particle separation, road repair, etc., can solve the problems of unpurified waste gas treatment, poor dust removal effect, etc., and achieve the effect of preventing water vapor backflow

Inactive Publication Date: 2021-08-10
广州市市政实业有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing asphalt mixing plant mainly recovers dust through the ventilation equipment, and the dust is guided by the ventilation equipment through the pipeline to the bag filter for recycling. In this way, the dust removal effect is not good, and the exhaust gas is not purified.

Method used

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  • Environment-friendly facility for asphalt mixing plant
  • Environment-friendly facility for asphalt mixing plant

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Embodiment Construction

[0021] The technical solutions of the present invention will be further described below in conjunction with the accompanying drawings and through specific implementation methods.

[0022] Such as Figure 1-2 As shown, an asphalt mixing plant environmental protection facility is provided in the embodiment, including an asphalt mixing device and a dust and smoke collection device. It is connected with the mixing building. The mixing building includes a screening bin 13, a storage bin 14, a metering bin 15 and a mixing tank 16 connected sequentially from top to bottom. The bottom of the mixing tank 16 is connected with a discharge port. The dust and smoke collection device includes a fan 21, more than two exhaust pipes 22, a combustion cylinder 23, a spray cylinder 31 and an output pipe 38. 22 is connected with the fan 21, the output end of the fan 21 is connected in the combustion cylinder 23 through the first transfer pipe 28, the top of the combustion cylinder 23 is provided ...

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Abstract

The invention discloses an environment-friendly facility for an asphalt mixing plant, which belongs to the field of supporting facilities of asphalt mixing equipment and is characterized in that raised dust and waste gas in a screening bin, a metering bin, a mixing cylinder and a drying roller in the mixing plant are guided into a combustion cylinder for combustion treatment through a fan. After asphalt flue gas is combusted, harmful ingredients in gas can be eliminated, meanwhile, solid ash generated after combustible parts in dust are combusted settles on a dust isolation net of a combustion cylinder, waste gas generated after combustion enters a spraying cylinder, the spraying cylinder is filled with water, solid particles and water-soluble ingredients in the waste gas can be left in the water, the waste gas is subjected to secondary purification by water mist sprayed by the spraying head after floating out of the water, so that the waste gas and dust are fully removed. In addition, combustion cylinders are arranged among the spraying tank, the drying roller and the mixing plant, so that the influence on the quality of finished products caused by backward flowing of water vapor is effectively prevented.

Description

technical field [0001] The invention relates to the field of asphalt mixing supporting devices, and more specifically, relates to an environmental protection facility of an asphalt mixing plant. Background technique [0002] With the development of economy, the process of urbanization is accelerated. In urban construction, asphalt mixture is an important building material, mainly used in road traffic construction. The production process of asphalt mixture is accompanied by a large amount of dust and asphalt fume, which will have a serious impact on the human body and the environment. Therefore, the environmental protection transformation of asphalt mixing plants is becoming more and more popular. Existing asphalt mixing plants mainly recover dust through the ventilation equipment, and the dust is guided by the ventilation equipment through the pipeline to the bag filter for recycling. In this way, the dust removal effect is not good, and the exhaust gas is not purified. C...

Claims

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Application Information

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IPC IPC(8): E01C19/10B01D47/02B01D47/06
CPCB01D47/02B01D47/06E01C19/10E01C19/104E01C19/1059E01C19/1072
Inventor 吴雨蒙何承江文嘉金年喜林华敬伍晓敏黄伟文吴文燕
Owner 广州市市政实业有限公司
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