The invention discloses an environment-friendly processing device for recycling and reusing of asphalt concrete waste materials The environment-friendly processing device comprises a crusher, a screening mechanism and a storage bin and further comprises a sound insulation mechanism and a purification and dust-removal mechanism The crusher is arranged below an elevated platform, the storage bin is arranged on the side of the elevated platform, a first belt conveyor is arranged between the storage bin and the screening mechanism, a second belt conveyor is arranged between the crusher and the storage bin, vibrating screens which are inclined and have different sieve meshes are sequentially arranged in the screening mechanism from top to bottom, the vibrating screen located at the uppermost end is connected with a large-material discharging barrel, and the remaining vibrating screens are connected with discharging barrels respectively in a one-to-one correspondence mode, the discharging barrels are arranged at the ends of the remaining vibrating screens downwards, and a discharging hopper is arranged below each discharging barrel The crusher and the screening mechanism are covered with the sound insulation mechanism The screening effect is good, precision is high, the recovery efficiency is high, the sound insulation effect is good, small land is occupied, no harm is caused to people, the purification and dust-removal effect is good, resources can be saved, environmental friendliness is achieved, and the materials are recovered conveniently and rapidly

Environment-friendly processing device for recycling and reusing of asphalt concrete waste materials

The invention discloses a milling machine capable of separating asphalt from stones, and aims to solve the problem that the asphalt cannot be separated from the stones in the milling process. According to the technical scheme, the milling machine capable of separating the asphalt from the stones is characterized by comprising a car body, wherein supporting wheels are arranged on the lower surface of the car body, a milling assembly is rotationally arranged on the lower surface of the car body, a first conveying assembly is arranged on the lower surface of the car body, the feeding end of the first conveying assembly is located on the discharging side of the milling assembly, a separating mechanism used for separating the asphalt from the stones is arranged on the tail end of the first conveying assembly, and the discharging end of the separating mechanism is connected with a second conveying assembly. The milling machine capable of separating the asphalt from the stones can separate, classify and store milled broken stones in time, and secondary utilization of the stored stones is convenient.

Milling machine capable of separating asphalt from stones

The invention provides a separation device of asphalt and mineral powder. The separation device comprises a feeding hopper, a feeding belt, a returning belt, a compound grinder, an air cooler, a cyclone dust collector and a collecting and air-discharging bag, wherein the feeding hopper is connected to a feeding opening in the top of the compound grinder through the feeding belt; the side or the bottom of the compound grinder is connected to the air cooler via a pipeline; a discharging opening of the compound grinder is connected to the feeding hopper through the returning belt; the side of the compound grinder is connected to the cyclone dust collector through a tilted air feeding pipe; the top of the cyclone dust collector is connected to the collecting and air-discharging bag through the pipeline; the arrangement direction of hammer heads in the grinder is obliquely upward; an included angle between the hammer heads and a center shaft is 60-70 degrees; the number of the hammer heads of each crushing layer is 1.2-2 times that of a former layer from the top to the bottom; through the special arrangement manner of the hammer heads, the crushing and separating efficiency is improved.

Separation device of asphalt and mineral powder

The invention discloses a road waste asphalt removing and regenerating construction integrated device, which comprises a base, wherein the upper end of the base is provided with a cab, wheels are mounted at the lower end of the base, two removing devices are mounted on the front side of the wheels at the lower end of the base, the two removing devices get close to each other, each removing devicecomprises an oil cylinder, a first mounting plate, a second mounting plate, a first motor, a rotating shaft, an inner rotating drum, an outer rotating drum, a first removing blade, a second removing blade and a cutting blade, the fixed end of the oil cylinder is vertically mounted at the lower end of the base, the first mounting plate is fixed at the movable end of the oil cylinder, and the secondmounting plate is in bolted connection with the lower end of the first mounting plate. The road waste asphalt removing and regenerating construction integrated device is easy to operate and high in removing efficiency, the time consumed for removing is shortened, the removing and regenerating are integrated, waste asphalt mixtures of a fine grain layer and a coarse grain layer can be classified,removed and smashed, and screening does not need to be conducted again in the removing process.

Road waste asphalt removing and regenerating construction integrated device

The invention discloses a method for recovering aged asphalt in a milling material for an asphalt pavement, and the steps are as follows: cleaning the milling material, removing impurities from the milling material, drying for standby use, extracting and recovering asphalt according to Standard Test Methods of Bitumen and Bituminous Mixtures for Highway Engineering, and centrifuging and filteringfor multiple times; adjusting oil bath temperature to 100 DEG C-110 DEG C; and placing the recovered asphalt in a microwave heating device for heating for 2 minutes at 100 DEG C-110 DEG C to completely remove trichlorethylene in the recovered asphalt until the difference of the mass for successive two times is within 0.5g. The method for recovering the aged asphalt in the milling material for theasphalt pavement can reduce the impact of the pollution of the milling material during transportation and stacking on the performance of the asphalt, can effectively eliminate ore powder, trichloroethylene residue and other unfavorable factors during the extraction and recovery process, reduces the problems caused by the secondary aging of the asphalt, and ensures the accuracy of performance testsof the recovered asphalt.

Method for recovering aged asphalt in milling material for asphalt pavement

Crushing reusing system of waste milling material and process method thereof

Reductive regeneration system and reductive regeneration process for pavement surface milling material

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Crushing reusing system of waste milling material and process method thereof

Reductive regeneration system and reductive regeneration process for pavement surface milling material