Series type hot air heating device for bituminous pavement and heating control method of device

A technology of hot air heating device and asphalt pavement, which is applied in the direction of roads, roads, road repairs, etc. It can solve the problems of heat loss and exhaust gas emission of hot air heating plates, and achieve the effects of protecting the ecological environment, eliminating temperature differences, and shortening heating time

Active Publication Date: 2019-07-12
CHANGAN UNIV
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Problems solved by technology

[0006] Aiming at the problems existing in the prior art, the present invention provides a tandem hot air heating device for asphalt pavement and its heating control method,...

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  • Series type hot air heating device for bituminous pavement and heating control method of device
  • Series type hot air heating device for bituminous pavement and heating control method of device
  • Series type hot air heating device for bituminous pavement and heating control method of device

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Embodiment Construction

[0046] The present invention will be further described in detail below in conjunction with the accompanying drawings, which are explanations rather than limitations of the present invention.

[0047] refer to Figure 1-9 , a series hot air heating device for asphalt pavement, including tractor 02, several heating units and temperature acquisition devices, several heating units are connected end to end in sequence, two adjacent heating units are connected by connecting device 06, tractor 02 and the frontmost The heating unit is connected, and the tractor provides forward power for the heating unit behind.

[0048] Each heating unit adopts closed-loop control, and each heating unit is equipped with a control unit, and an infrared thermometer is installed at the end of each heating unit. The infrared thermometer is used to measure the surface temperature of the asphalt pavement. The infrared thermometer It is connected with the control unit, and the control unit controls the out...

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Abstract

The invention provides a series type hot air heating device for bituminous pavement and a heating control method of the device. A plurality of hot air heating plates are connected, a heating mode of continuous variable power is utilized, heating power of all heating units is determined, the heating units output different heating power to the bituminous pavement in the driving process, and thus temperature of the surface of the bituminous pavement and temperature at the 4cm depth position are accurately controlled; at the same time, the multiple heating units are switched on, hot air dischargedto the environment by a former heating unit re-enters an air inlet of a next heating unit through a circulating pipeline, the circulating utilization rate of the hot air is further improved, discharging of the hot air carrying harmful gases from the heating units to the surrounding atmosphere is reduced, and the ecological environment is protected.

Description

technical field [0001] The invention relates to the technical field of highway engineering, in particular to a serial hot air heating device for asphalt pavement and a heating control method thereof. Background technique [0002] Hot-in-place regeneration of asphalt pavement adopts special hot-in-place regeneration equipment to heat and mill the asphalt pavement, add a certain amount of new asphalt, new asphalt mixture, regeneration agent, etc. It is a technology to regenerate the old asphalt concrete pavement within a certain depth range of the surface at one time through pressing and other processes. During the regeneration process, there is no need to carry the generated waste, continuous mechanized construction can be carried out on the asphalt pavement, the construction period is short, and the disturbance to traffic can be minimized. Therefore, the hot-in-place regeneration technology of asphalt pavement can not only save a large amount of asphalt and gravel materials...

Claims

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Application Information

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IPC IPC(8): E01C23/14
CPCE01C23/14
Inventor 顾海荣齐博漪李金平徐信芯焦生杰
Owner CHANGAN UNIV
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