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Heating and drying roller

A drum and inner drum technology is applied in the fields of heating and drying drums, asphalt mixing equipment and recycled asphalt mixing equipment.

Inactive Publication Date: 2011-02-09
SANY AUTOMOBILE MFG CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The heating and drying drum can heat aggregates and recycled asphalt materials at the same time. On the basis of not adding a second drying drum, the waste heat can be used to effectively solve the problem of heating recycled asphalt materials, which greatly reduces equipment costs and use costs.

Method used

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Embodiment Construction

[0025] The content of the present invention will be described below in conjunction with the accompanying drawings. The following description is only exemplary and explanatory, and should not have any limiting effect on the protection scope of the present invention.

[0026] Please see figure 1 , figure 2 , figure 1 , figure 2 It is a schematic structural diagram of the heating and drying drum provided by the first embodiment of the invention.

[0027] Such as figure 1 , figure 2 As shown, the heating and drying drum includes a burner 1, a drum 2, a discharge box 3, an underframe 4, a feed box 5, a flue 6, an exhaust damper 7, an interlayer inlet 8, an interlayer outlet 9, Hot air pipe 10, hot air damper 11. Wherein, the drum 2 includes an inner cylinder 2-1 and an interlayer 2-2, the interlayer 2-2 is annularly arranged outside the inner cylinder 2-1, and the inner cylinder 2-1 is an aggregate drying area for heating and drying the aggregate , the interlayer 2-2 is a...

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Abstract

The invention relates to the technical field of asphalt concrete processing equipment and provides a heating and drying roller, which comprises a roller, an under frame and a combustor. The roller comprises an inner barrel and an interlayer which is circularly arranged outside the inner barrel, and the outside of the interlayer is provided with a feed inlet and feed outlet. The two ends of the inner barrel are respectively provided with a feeding tank and a discharging tank which is communicated with the interlayer through a warm-air pipe. The inner barrel is used for heating aggregates, the interlayer is used for heating recovered asphalt materials ,one part of the heat required by heating the asphalt materials originates from the heat transfer of the wall of the inner barrel, and the other part originates from the hot air brought by separating materials from the inner barrel through the warm-air pipe, thus heating and drying the aggregates and meanwhile heating and drying the recovered asphalt materials.

Description

technical field [0001] The invention relates to the technical field of asphalt concrete processing equipment, in particular to a heating and drying drum, asphalt mixing equipment and recycled asphalt mixing equipment. Background technique [0002] The general design life of asphalt concrete pavement is 15 years, and the actual service life is usually only about 10 years, that is, every 10-15 years, asphalt concrete pavement needs to be renovated, so tens of millions of tons of asphalt concrete pavement waste will be generated every year . In order to regenerate these old asphalt mixtures, various regenerated asphalt mixing equipment are widely used to regenerate them. [0003] Existing recycled asphalt mixing equipment, one is double-layer drum continuous mixing equipment, the inner side of which is the aggregate drying area, and the interlayer is the mixing area. After the aggregate is heated and dried in the drying area, it directly enters the mixing area. Add asphalt, m...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F26B11/04F26B3/24B28C5/00B28C5/46
Inventor 揭文忠赵继成
Owner SANY AUTOMOBILE MFG CO LTD
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