Vertical sludge dewatering machine
A sludge dewatering machine, vertical technology, applied in water/sludge/sewage treatment, sludge treatment, chemical instruments and methods, etc., can solve problems such as high cost and environmental pollution, and achieve reasonable structural layout and occupied volume. Small, low cost of use
Pending Publication Date: 2019-11-08
浙江科力尔环保设备股份有限公司
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Problems solved by technology
Since the sludge must undergo biochemical and flocculation treatment during dehydration, and the dehydrated sludge contains a large amount of cell water and attached water, at present, almost all the existing equipment and technologies of sewage treatment plants can only reduce the water content of sludge to About 80%, if you want to meet the requirements of incineration - the water content of the sludge is lower than 50%, it will cost a lot of money, so almost all sewage treatment plants in my country can only use the sludge to landfill and pile up, which leads to serious environmental pollution problem
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[0038] In order to make the above objects, features and advantages of the present invention more obvious and understandable, the present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. However, the present invention can be implemented in many other ways different from those described here, and those skilled in the art can make similar improvements without departing from the connotation of the present invention, so the present invention is not limited by the specific embodiments disclosed below.
[0039] In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " Back", "Left", "Right", "Vertical", "Horizontal", "Top", "Bottom", "Inner", "Outer", "Clockwise"...
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The invention relates to a vertical sludge dewatering machine, comprising a frame, a horizontally arranged squeezing roller and a driving mechanism for driving the squeezing roller to rotate about a horizontal axis, wherein a squeezing area is formed between the squeezing roller and the sludge outlet of a sludge concentrating device; the squeezing area has a sludge outlet. The vertical sludge dewatering machine further comprises a re-squeezing unit for re-squeezing sludge discharged from the sludge outlet of the squeezing area. The re-squeezing unit includes a squeezing plate that abuts against the outer wall of the squeezing roller and forms an arc-shaped squeezing passage with the outer wall of the squeezing roller. The vertical sludge dewatering machine of the invention utilizes the re-squeezing unit to re-squeeze the sludge discharged from the squeezing area, and can further increase a solid content by 3%-8% on the basis of a conventional solid content; and at the same time, the vertical sludge dewatering machine is low in use cost, reasonable in structural layout and small in occupied area.
Description
technical field [0001] The invention belongs to the field of sludge treatment equipment, and in particular relates to a vertical sludge dehydrator. Background technique [0002] With the development of social economy and the acceleration of urbanization, the amount of urban sewage treatment plants and the accompanying sludge has increased rapidly. According to relevant materials, in 2010, the sludge produced by my country's sewage treatment plants reached 300 million tons. Since the sludge must undergo biochemical and flocculation treatment during dehydration, and the dehydrated sludge contains a large amount of cell water and attached water, at present, almost all the existing equipment and technologies of sewage treatment plants can only reduce the water content of sludge to About 80%, if you want to meet the requirements of incineration - the water content of the sludge is lower than 50%, it will cost a lot of money, so almost all sewage treatment plants in my country can...
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IPC IPC(8): C02F11/121
CPCC02F11/121
Inventor 王方清王世杰吴亮亮
Owner 浙江科力尔环保设备股份有限公司