Powdered activated carbon adsorption device achieving intermittent operation
A powder activated carbon and adsorption device technology, which is applied in the direction of adsorption water/sewage treatment, sedimentation treatment, water/sewage treatment, etc., can solve the problems of high filtration process requirements, easy to run out carbon, difficult to remove and recover carbon, etc., to achieve The effect of the treatment effect is obvious
Inactive Publication Date: 2016-03-23
CHINA UNIV OF MINING & TECH (BEIJING)
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Problems solved by technology
It is widely used in the field of water treatment. However, in the existing activated carbon adsorption devices, most of the engineering applications are granular activated carbon adsorption. Powder activated carbon adsorption has the problem that it is not easy to remove and recover carbon. It is generally used for one-time use, resulting in a lot of waste of resources; currently Most of the existing powdered activated carbon removal devices are frame-type filter boxes. Because the particle size of powdered activated carbon is very small, it is not only easy to run out of carbon, but also has high requirements on the filtration process.
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[0023] like figure 1 , figure 2 As shown, the plane of the device is circular, and from the center to the periphery, it is divided into a first adsorption zone 1, a second adsorption zone 2, a saturated separation zone 3, a water outlet zone 4, and a precipitation separation zone 5. Water and unsaturated powder activated carbon enter through the central water inlet pipe 6, pass through the above areas in sequence, and finally flow out from the water outlet pipe 13, and the water quality is improved.
[0024] Since the micro-polluted water is heavily polluted and contains a variety of organic substances, to remove these pollutants, coagulation, sedimentation and filtration must be carried out first. Mix, enter the central water inlet pipe 6, and complete the mixing process under the action of mechanical stirring in the first adsorption zone 1 (the new carbon, water and the existing activated carbon in the pool are completely mixed); the fully mixed water and carbon mixture fl...
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The invention discloses a powdered activated carbon adsorption device achieving intermittent operation. The plane shape of the device is circular. The device is provided with a first adsorption area, a second adsorption area and a saturation separation area in sequence from the center to the periphery. A water drainage area is arranged above the saturation separation area, a precipitation separation area is arranged below the first adsorption area, a mud bucket is arranged at the bottom of the precipitation separation area and provided with a saturated carbon discharge pipe, a mechanical stirring device is arranged in the middles of the first adsorption area and the second adsorption area, and the upper portion of the water drainage area is provided with a sediment scraper and a sediment discharge bucket. The device achieves intermittent operation, in other words, water inflowing, stirring adsorption, precipitation separation and water and carbon discharge are sequentially operated intermittently. Mixing, adsorption and precipitation are integrated, and powdered activated carbon is adsorbed and removed through intermittent operation. The powdered activated carbon adsorption device can be used for adsorption of the powdered activated carbon, and has the obvious treatment effect in the aspects of micro-polluted water and drinking water pretreatment, particularly when placed in the front of a film system.
Description
technical field [0001] The invention relates to a drinking water treatment device, in particular to a powder activated carbon adsorption device in intermittent operation. Background technique [0002] Activated carbon is a porous material with extremely developed internal pore structure, large specific surface area and strong adsorption capacity. It is widely used in the field of water treatment. However, in the existing activated carbon adsorption devices, most of the engineering applications are granular activated carbon adsorption. Powder activated carbon adsorption has the problem of not easy to remove and recover carbon, and is generally used for one-time use, resulting in a lot of waste of resources; currently Most of the existing powder activated carbon removal devices are frame-type filter boxes. Because the particle size of powder activated carbon is very small, it is not only easy to run off the carbon, but also has high requirements on the filtration process. SU...
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IPC IPC(8): C02F1/28
CPCC02F1/281C02F2001/007
Inventor 王春荣陈金龙马可可张琪齐迹
Owner CHINA UNIV OF MINING & TECH (BEIJING)