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Novel rotational-flow air-floatation sewage treatment device

A technology of sewage treatment and swirling air flotation, which is applied in flotation water/sewage treatment, water/sewage multi-stage treatment, water/sludge/sewage treatment, etc. It can solve problems such as easy blockage and achieve floor space Small, wide range of use, small size effect

Inactive Publication Date: 2013-01-16
MORIMATSU (JIANGSU) HEAVY IND CO LTD
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Problems solved by technology

However, for larger particles, it is easy to clog

Method used

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  • Novel rotational-flow air-floatation sewage treatment device
  • Novel rotational-flow air-floatation sewage treatment device

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Embodiment Construction

[0032] In order to make the object, technical solution and advantages of the present invention more clear, further description will be given below in conjunction with the accompanying drawings. The specific embodiments described here are only used to explain the sewage treatment device of the present invention and not limit the present invention.

[0033] In the figure, 1 air flotation gas inlet, 2 oily sewage inlet, 3 air flotation gas inlet, 4 oil removal pipe port of hydrocyclone, 5 backwash water inlet of oil removal pipe port, 6 slag discharge port, 7 spare port, 8 slag discharge mouth, 9 clean water outlet 10 vertical cylinder, 11 cover plate, 12 hydrocyclone outlet, 13 parabolic plane boss, 14 filter screen, 15 hydrocyclone, 16 upper outlet of cover plate, 17 compartment, 18 bottom chamber, static mixer 19.

[0034] refer to figure 1 . The structure of the vertical cylinder 10 of the present invention is: the ratio of the cylinder height to the diameter of the vertic...

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Abstract

The invention relates to a novel rotational-flow air-floatation sewage treatment device. The novel rotational-flow air-floatation sewage treatment device comprises a vertical barrel body and is characterized by also comprising a hydrocyclone, a static mixer, a cover plate and a boss of a parabolic plane. Compared with the conventional like products, the novel rotational-flow air-floatation sewage treatment device has the advantages that the equipment has a small size and occupies small area; many technologies of rotational flow, air floatation, filtration and the like are combined, so that a three-stage separation effect is achieved and oil and water can be separated completely; and the equipment has a wide application range and can meet the requirements of petroleum and chemical enterprises on cleaning production.

Description

technical field [0001] The invention relates to the technical field of sewage treatment equipment, in particular to a multi-process sewage processor including swirl flow, air flotation and filtration. Background technique [0002] With the development of the economy and people's attention to the development of the environment, in recent years, efficient and multi-functional integrated oilfield wastewater treatment equipment has become a research hotspot. Although there are many treatment methods for oily wastewater, gravity separation, cyclone, and air flotation are all effective unit methods for oil-water separation. However, each method has its limitations, depending on the influence of many factors such as the composition of wastewater, the form of oil, the depth of recycling, and the way of discharge. If only a single treatment method is used, it is difficult to achieve satisfactory results. In practical applications, several methods are usually combined to form a mul...

Claims

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Application Information

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IPC IPC(8): C02F9/08C02F1/40C02F1/24
Inventor 张旭张斐黄恒佐史浩
Owner MORIMATSU (JIANGSU) HEAVY IND CO LTD
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