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Biochar preparation process and equipment for sewage treatment

A technology of sewage treatment and biochar, applied in the direction of water/sewage treatment, adsorption water/sewage treatment, water/sludge/sewage treatment, etc., to achieve the effect of preventing particle pollution and waste, and preventing accumulation

Active Publication Date: 2021-09-07
CHINESE RES ACAD OF ENVIRONMENTAL SCI
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Up to now, there is no preparation device or process in the existing technology that can reduce the artificial crushing of large particle biochar

Method used

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  • Biochar preparation process and equipment for sewage treatment
  • Biochar preparation process and equipment for sewage treatment
  • Biochar preparation process and equipment for sewage treatment

Examples

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Embodiment Construction

[0033] Such as figure 1 As shown, the biochar preparation equipment for sewage treatment in this embodiment includes a silo 1, a drive mechanism 5 and one or more biochar dispersing units; each of the biochar dispersing units includes a dispersing platform 2, a discharge Mechanism 4 and lower barrel 3; the discharge port 11 at the bottom of the silo 1 is located above the material receiving surface 21 of the dispersion platform 2, and the discharge port 11 at the bottom of the silo 1 is connected to the material receiving surface The distance between 21 is 50cm-150cm; the discharge mechanism 4 is installed on the dispersion platform 2, and the drive mechanism 5 drives the discharge mechanism 4 so as to transport the biochar on the material receiving surface 21 to the Describe the feeding port 31 of the lower feeding cylinder 3. In this way, the biochar can be dropped on the material receiving surface 21 of the dispersing platform 2 of the biochar dispersing unit from the disc...

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Abstract

The invention discloses a biochar preparation process and equipment for sewage treatment, including a silo, a driving mechanism and one or more biochar dispersing units; each of the biochar dispersing units includes a dispersing platform, a discharging mechanism and a lowering cylinder The discharge port at the bottom of the silo is located above the material receiving surface of the dispersion platform, and the distance between the discharge port at the bottom of the silo and the material receiving surface is 50cm-150cm; the discharge mechanism is installed On the dispersion platform, the driving mechanism drives the discharge mechanism so as to transport the biochar on the material receiving surface to the discharge port of the discharge cylinder. In the present invention, the process of dropping the biochar from the discharge port onto the dispersion platform of the biochar dispersing unit in the form of free fall, obtains large particle size biochar, medium particle size biochar and small particle size biochar through an inclined screening mechanism, not only The natural particle size of biochar is maintained, and a large amount of biochar with large particle size is obtained.

Description

technical field [0001] The invention relates to the technical field of biochar preparation. Specifically, it is a biochar preparation process and equipment for sewage treatment. Background technique [0002] Biochar has a good adsorption effect in anhydrous treatment and has been widely used. However, in the actual use of biochar, it is found that the biochar particles are too small, the bed is packed very tightly, and the resistance of fluid passing through the bed increases. Although it has a good filtration effect, in order to obtain a certain filtration speed, the The air-to-water ratio is very large; at the same time, the backwash water intensity in the backwash process is further increased. At the same time, in the process of sewage treatment, small particles of biochar tend to form a pollutant accumulation layer on the side of the water inlet layer, further increasing the difficulty of sewage passing through the adsorption layer, which will lead to a higher frequenc...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C01B32/05B01J20/20B01J20/30C02F1/28
CPCB01J20/20C02F1/283C01B32/05
Inventor 王宗爽谭玉菲郭敏徐舒顾闫悦赵国华
Owner CHINESE RES ACAD OF ENVIRONMENTAL SCI
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