Roller cleaning screen for cleaning petroleum contaminated sandstone
A technology for oil pollution and sieve cleaning, applied in the field of cleaning sieves, can solve the problems of clogging of sieve holes, difficulty in cleaning sand and gravel, etc., and achieve the effects of avoiding waste, reducing environmental pollution, and achieving good grading and screening effects.
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Embodiment 1
[0042] Drum cleaning sieves for cleaning oil-contaminated sand, such as Figure 1-8 As shown, it includes a drum 4, a supporting roller device 2, a retaining roller device 7 and a transmission device 5. The drum 4 is arranged obliquely to the ground, the inclination angle between the drum 4 and the ground is 2°, and the head of the drum 4 is higher than the drum 4. At the tail, the head of the drum 4 is provided with a feed port 401;
[0043] Cylinder 4 comprises the first cylinder 41, the first net cylinder 42, the second cylinder 43 and the second net cylinder 44, and the first net cylinder 42 and the second net cylinder 44 perforate, aperture is There are 6 rows of holes, 6 holes in each row, the first net cylinder 42 is arranged between the first cylinder 41 and the second cylinder 43, the second net cylinder 44 communicates with the second cylinder 43, and the feeding port 401 is located on the first cylinder. 41; also include a stopper cone 45, the stopper cone 45 is l...
Embodiment 2
[0058] The working process of the drum cleaning sieve in Example 1 is as follows: oil-contaminated sand and cleaning agent are added from the feed port 401, and with the rotation of the drum 4, since the drum 4 is inclined to the ground, the oil-contaminated sand and cleaning agent Walking forward in a spiral shape in the drum 4, the oil-contaminated sand is continuously rolled and cleaned during this process. When the oil-contaminated sand is transported to the first net cylinder 42, the water enters the first net from the flushing spray pipe Cylinder 42 scours the material, and waste water flows out from the middle part discharge port 32 along with sundries; The debris flows out from the tail outlet 12, and the petroleum-contaminated sand is recovered after being cleaned up to a qualified standard.
Embodiment 3
[0060] The steel bar drum 46 in Example 1 is made of duplex stainless steel, which has anti-acid, anti-alkali and wear-resistant properties. At the same time, the overall structural rigidity and strength of the obtained steel bar drum 46 are relatively good without support.
[0061] The first net cylinder 42 and the second net cylinder 44 are evenly perforated, and the aperture is ( Representing diameter is 60mm), and hole is established 6 rows, and every row 6 holes, both can be used as this design and can not destroy the overall strength of cylinder 4 and the overall size of equipment. In addition, when materials are stuck on the sieve holes, due to the size of the long-hole sieve holes 461, the stuck materials can easily fall off from the long-hole sieve holes 461 driven by other materials, greatly reducing the amount of material The jamming phenomenon improves the normal operation rate of the equipment.
[0062] The first mesh drum 42 is perforated, the steel bar cylin...
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