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Integrated coagulation-synergism inclined plate oil-removing device

A technology of mixing equipment and slanting plate, which is applied in the improvement field of sewage solid-liquid separation and oil-water separation equipment, can solve problems such as difficult to achieve satisfactory results, and achieve the effects of good effluent quality, strong impact resistance, and small footprint

Inactive Publication Date: 2013-07-24
CHINA UNIV OF GEOSCIENCES (BEIJING)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If a single method is used, it is difficult to achieve satisfactory results

Method used

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  • Integrated coagulation-synergism inclined plate oil-removing device
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  • Integrated coagulation-synergism inclined plate oil-removing device

Examples

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Effect test

Embodiment

[0030] The integrated coagulation synergistic slant plate oil removal equipment is used to treat oil production wastewater in an oilfield. The daily water inflow is 100 cubic meters per day, and the quality of the sewage influent is shown in Table 1.

[0031] Table 1 Water quality of oil production wastewater in an oilfield

[0032]

[0033] According to the specific situation, according to 100m 3 / d water inlet design, the integrated equipment is 1500mm long, 1000mm wide and 4000mm high. The coagulation area adopts high-efficiency micro-vortex mixing equipment and high-efficiency micro-vortex grid equipment. The length of the high-efficiency micro-vortex mixing equipment is 1000mm, and 7 sets of high-efficiency micro-vortex grid equipment are installed in the coagulation area inside the equipment. In the turbidity and oil removal area, the installation angle of the small-angle inclined plate equipment is 45°, and the installation angle of the large-angle inclined plate e...

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Abstract

The invention discloses an integrated coagulation-synergism inclined plate oil-removing device. The integrated coagulation-synergism inclined plate oil-removing device is mainly composed of a coagulation part and a turbidity-removing oil-removing part, wherein the coagulation part is used for realizing treatment of colloidal oil and emulsified oil by virtue of a mixing device and grid flocculation; the coagulated sewage enters the turbidity-removing oil-removing part through a water distributing pore plate; the turbidity-removing oil-removing part is provided with inclined plates of two different forms for achieving a precipitation turbidity-removing effect and a coalescence oil-removing effect. By changing the installation angles of the inclined plates, the inclined plates are mainly used for realizing the purposes of particle precipitation and coalescence oil-removing, respectively; a V-shaped partition plate is arranged in a water outlet region and used for preventing upper floating oil from entering a water outlet tube; the oil is gathered by the V-shaped slot at the upper end of the turbidity-removing oil-removing area, and exhausted by an oil outlet tube; and precipitates are gathered in a mud hopper and exhausted by a mud outlet tube. Compared with the prior art, the integrated coagulation-synergism inclined plate oil-removing device has the characteristics of high treatment efficiency, good effluent quality, investment-saving, low treatment cost and the like, so that the potential of the existing oil-removing facility can be furthest excavated, and therefore, the maximal benefits are obtained by utilizing the minimal investment.

Description

Technical field: [0001] The invention belongs to the technical field of water treatment equipment and relates to an improvement of sewage solid-liquid separation and oil-water separation equipment. Background technique: [0002] According to the source of oily wastewater and the different forms of oil in water, it can be divided into four categories: slick oil, dispersed oil, emulsified oil and dissolved oil: 1. Slick oil, which floats on the water surface as a continuous phase, forms an oil film or oil layer, and its oil The particle size of the droplet is relatively large, generally greater than 100 μm; 2. Dispersed oil, suspended in water with tiny oil droplets, often becomes oil slick after standing for a certain period of time, and the particle size of the oil droplet is 10-100 μm; 3. Emulsified oil, The water contains surfactants to make the oil a stable emulsion. The particle size of the oil droplets is generally less than 10 μm, and most of them are 0.1-2 μm; 4. Diss...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F9/04
Inventor 王鹤立赵星辉申亮
Owner CHINA UNIV OF GEOSCIENCES (BEIJING)
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