A drum screening machine
A trommel screening machine and tumbler technology, which are applied in the fields of filtration and separation, separation methods, grain processing, etc., can solve the problems of small processing capacity, restricting the development of sewage sludge, and unable to deal with sewage sludge in time.
Inactive Publication Date: 2018-08-28
马玉刚
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Problems solved by technology
The currently commonly used sludge pretreatment equipment has the disadvantages of small processing capacity, long processing time, high energy consumption, and poor treatment effect. Development, the inability to timely dispose of the sludge generated during normal production in the petrochemical industry and accumulated over the years has made the petrochemical industry more and more pressured on environmental protection issues
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Embodiment Construction
[0017] Below in conjunction with accompanying drawing this embodiment will be further described
[0018] Figure 1~3 It can be seen that, from the oblique installation view of the roller of the present invention, the roller is of equal diameter or variable diameter, or a combination of straight cylinder and conical cylinder. The rotary drive mode is gear transmission, or friction wheel transmission, or chain transmission. The positioning and rotation of the drum is realized by installing two sets of supporting wheels 8 and an additional axial limit wheel 4 under the cylinder body 2 . There are two types of internal structure of the drum. Firstly, a continuous or discontinuous helical piece coaxial with the drum is installed close to the inner wall of the drum, which is used to transport the materials to be cleaned and separated in the drum from the feed end to the discharge when the drum rotates. Second, install continuous or misplaced steps arranged in parallel to the axis...
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The invention provides a drum screening machine and an application method thereof in oil sludge treatment. The drum screening machine is mainly characterized by comprising a front crushing and tearing device and a rear treatment device, wherein a drum body comprises a screen-mesh-containing drum body and a screen-mesh-free drum body which are connected through subsection welding or through a connecting part, a water spraying device penetrating through the drum body or arranged in a subsection manner is arranged in the drum body, a feeding device is mounted at a feed port in the front end of the drum body, a receiving hopper capable of separating light and heavy impurities is mounted at an impurity discharge port in the rear end of the drum body, and a discharge hopper is mounted at a qualified material discharge port in the lower part of the screen-mesh-containing drum body. The drum screening machine has the advantages that the operation is simple, safe and reliable, oil sludge is sent to the front crushing and tearing device to tear and crush large stone particles, tiles, plastic cloth, woven bags and the like in the material, a to-be-treated material is uniformly sent into the feeding end by a feeding machine, qualified materials discharged from the qualified material discharge end are sent for follow-up treatment, and meanwhile, clean combustible materials with the recovery value are discharged in a classified manner from the impurity discharge end.
Description
technical field [0001] The present invention relates to a drum screening machine and its application in sludge treatment, in particular, a drum screening machine and its application technology can process a large amount of sludge in oil fields and petrochemical systems with high efficiency, and can be used for sludge reduction treatment And various sewage sludge treatment methods, such as pretreatment of extraction method, water washing-conditioning method, etc. Background technique [0002] With the development of the petroleum industry, a large amount of sludge will be produced in the process of petroleum exploration, refining, storage and transportation. The amount of sludge produced in my country every year is not less than 4 million tons, which brings serious environmental protection problems. In recent years, all kinds of sewage sludge treatment methods have been researched and developed at home and abroad, but any treatment method requires pretreatment of materials, t...
Claims
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IPC IPC(8): B01D33/06B02C19/22
CPCB01D33/06B02C19/22B02C2201/06
Inventor 赵颖
Owner 马玉刚