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About Huafu
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PRODUCT INTRODUCTION
Pond ® It is a new type of high-efficiency wastewater treatment device, which comprehensively applies the principles of sedimentation and flotation. It can realize solid-liquid separation and liquid-liquid separation at the same time, significantly improving the efficiency and precision of conventional gravity separation process, and the removal rate of petroleum and solid suspended solids exceeds 90%. This device is especially suitable for strengthening the separation function of the existing sedimentation tank.
- FEATURES & BENEFITS
- HOW IT WORKS
- TECHNICAL INFORMATION
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- Commodity name: Pond®advection flotation device
- Commodity ID: z012
- 副标题: PRODUCT INTRODUCTION
Pond ® It is a new type of high-efficiency wastewater treatment device, which comprehensively applies the principles of sedimentation and flotation. It can realize solid-liquid separation and liquid-liquid separation at the same time, significantly improving the efficiency and precision of conventional gravity separation process, and the removal rate of petroleum and solid suspended solids exceeds 90%. This device is especially suitable for strengthening the separation function of the existing sedimentation tank.
FEATURES & BENEFITS
● Bubble diameter 30 μ m～50 μ M (release model can be selected according to different processing objects);
● Low-pressure operation, dissolved gas efficiency up to 99%, release rate up to 99%;
● Dissolution efficiency of dissolved air water is 80-100%, 3 times higher than that of traditional dissolved air flotation;
● The pressure-flow curve is flat, easy to realize automatic control, easy to operate and maintain, and low noise;
● Short hydraulic retention time and less land occupation. -
HOW IT WORKS
ThePond ® advection air floatation device organically combines the principle of sedimentation and air floatation to give full play to their respective advantages. The sedimentation method is applied to dense and heavy impurity particles, and the air floatation method is applied to light and floating impurity particles and grease. This technology solves the problem of using a single sedimentation method to treat water quality that is not up to standard, and adds dissolved air water in the rear section of the advection tank, which is equivalent to secondary air flotation, to prevent the settlement of the floating oil residue in the front section, and to provide guarantee for the water quality. According to the calculation and research and development, the secondary air flotation release device is arranged in the position where the precipitated impurities can be completely precipitated, and the device is not installed at the bottom of the tank, which is higher than the bottom mud, so that the dissolved water released by the secondary air flotation release device does not affect the precipitated impurities and does not produce secondary pollution.
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TECHNICAL INFORMATION
The device consists of a dissolved air system and a dissolved gas release system. Part of the clean water in the outlet area enters the high-efficiency dissolved air device after pressurization by the return pump (centrifugal pump), and is dissolved in contact with the compressed air in the device, and the saturated dissolved air water formed in the device is transported to the pool through the pipeline, and released in the advection inlet area and the second section area through the unique dissolved gas release device.
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In modern times, in terms of precipitation technology, the condensation view of rapid mixing and slow reaction of colloidal particles was proposed. For air flotation processes, thorough mixing of reactions is also important. Because air flotation has fast separation properties, its front-end process must be completed quickly in order to give full play to its advantages. The sedimentation tank requires a reaction time of 15~30min, and it is impossible to provide such a long reaction time in the air flotation tank. Air flotation is to use the action of microbubbles (about 20~30um) to make the flocs float, so as long as the flocs grow enough to be adhered to by the microbubbles. The diameter of the floc required for precipitation is generally more than 1mm, and the requirements for air flotation in this regard are much more relaxed, and the diameter of the floc is too large, but it may be broken during the mixing process with the bubble. Therefore, the reaction time of air flotation can be greatly shortened. The tubular mixing reactor is adopted, which adopts the combination of pipeline mixing and reaction, and meets the different requirements of mixing and reaction by controlling the flow rate in the pipeline. The pipeline coagulation reactor improves the mixing reaction effect.
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The anti-blocking release device treated by special process has the characteristics of self-cleaning, non-blockage, good anti-corrosion performance and high efficiency, and does not require any special debugging and maintenance during operation; The unique and efficient dissolved air device design realizes fast and sufficient air-water mixing without filler through high-speed and high-pressure air-water contact, with a residence time of 15 seconds, shortening the dissolved gas time and avoiding blockage. The high-efficiency dissolved gas efficiency is as high as 99%, and the gas release rate is as high as 98%. The dissolved air effect is remarkable, the content of fine bubbles is large, the water treatment effect is good, and the microbubbles improve the effect of oil and SS when they are efficiently adsorbed with suspended particles. The automatic control system and easy installation and maintenance make it a true "fully automatic and efficient" processing system.
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