Continuous reverse forced stirring equipment
A kind of mixing equipment and asphalt mixing technology, which can be used in roads, road repairs, roads, etc., and can solve problems such as aging of asphalt, high temperature of the cylinder wall, and influence on the accuracy of measurement.
Inactive Publication Date: 2017-09-29
HENAN ROADY ROAD MACHINERY
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Problems solved by technology
This kind of drying cylinder has the following problems: (1) The light oil in the asphalt produces blue smoke in contact with high-temperature flames and hot gas, causing smoke pollution and aging of the asphalt; (2) due to dust , The oil fume entering the bag filter may also cause problems such as blockage and burnout, so it is necessary to add dust removal equipment, which reduces the mobility of the drum type mixing equipment to a certain extent. The added mineral powder is in the channel The inside is sucked away by the strong current, which also affects the accuracy of measurement
However, due to the intensive heating of the aggregate, the thermal load of the drum is quite high, and the temperature of the drum wall also rises very high, which increases the heat dissipation loss of the drum wall and reduces the life of the heat-resistant material of the drum wall
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[0012] Such as figure 1 The shown continuous reverse forced stirring equipment has a rotatable cylinder 1 and a smoke box 6 located at one end of the cylinder. The inner wall of the cylinder is provided with a dense palace type fire wall 3, and the fire wall makes the inner cavity of the cylinder Two spaces are formed, the heating and drying chamber 2 and the asphalt mixing chamber 4. The heating and drying chamber 2 and the asphalt mixing chamber 4 are located on the same axis. Multiple helical blades, the lower part of the helical blades is adapted to the conical barrel of the inlet of the air induction pipe. The smoke box is a double-chamber smoke box, and one cavity is an air-introduction channel, which communicates with the asphalt mixing chamber 4, and also communicates with an air-introduction pipe 5 extending into the asphalt mixing chamber. The entrance of the air-induction pipe is The cone-shaped barrel is located at the center of the labyrinth-type firewall, and th...
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The continuous reverse forced stirring equipment of the present invention has a coaxial double-chamber drying cylinder, a mineral powder adding device and an asphalt spraying device blown by a fan. It is characterized in that: the dense palace-shaped fire partition in the middle and rear part of the cylinder divides the whole cylinder into two coaxial chambers, that is, the heating and drying chamber and the asphalt mixing chamber; Mineral powder adding device and asphalt spraying device can continuously produce asphalt mixture meeting the national standard through this equipment.
Description
technical field [0001] The invention belongs to the technical field of road construction equipment, and in particular relates to a continuous reverse forced mixing equipment for asphalt mixing equipment. Background technique [0002] Asphalt mixing equipment includes batch mixing equipment and continuous mixing equipment. Batch mixing equipment requires a huge tower to install hot material lifting, screening systems, hot material bins, weighing systems for aggregates, mineral powder, asphalt, and The equipment assembly such as mixing tank, so the reliability of operation is not as good as that of continuous mixing equipment, and the cost of maintenance and repair is also higher than that of the latter. The continuous production process reduces the heat loss in these links due to the cancellation of hot material lifting, screening, hot silo and metering hopper, so continuous mixing equipment has more advantages in reducing oil consumption and saving energy than intermittent m...
Claims
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IPC IPC(8): E01C19/10
Inventor 时中玉朱炳蔚范礼龙李志庆吕庆林贾磊付林坪
Owner HENAN ROADY ROAD MACHINERY