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Filler type biological rotating disc and method for ammonia nitrogen conversion based on filler type biological rotating disc

A biological turntable, filler technology, applied in chemical instruments and methods, sustainable biological treatment, biological water/sewage treatment, etc., can solve the problems of short service life, low treatment efficiency, poor film hanging performance, etc. Life, improve processing efficiency, increase the effect of filling amount

Inactive Publication Date: 2021-06-22
GUILIN UNIVERSITY OF TECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, the existing packing-type biological turntable has small specific surface area, poor film-hanging performance, low processing efficiency, and short service life.

Method used

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  • Filler type biological rotating disc and method for ammonia nitrogen conversion based on filler type biological rotating disc
  • Filler type biological rotating disc and method for ammonia nitrogen conversion based on filler type biological rotating disc
  • Filler type biological rotating disc and method for ammonia nitrogen conversion based on filler type biological rotating disc

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0064] The packing type biological turntable includes a rotating shaft, a pumping plate and a packing frame; the packing frame is formed by interlocking two discs containing meshes; the packing frame has a hollow structure; the rotating shaft passes through the packing frame center, and drive the stuffing frame to rotate around the axis of rotation.

[0065] Filler is filled in the hollow structure of described filler frame; Described filler is natural zeolite, and the particle diameter of described natural clinoptilolite is 4mm; The diameter of the mesh of described disk is 0.85mm; The setting of described mesh The density is 20 mesh; the packing density of the filler is 80%.

[0066] 1. The natural clinoptilolite is added to the packed biological turntable, and the total volume of the filler accounts for 30% of the volume of the reaction tank; the packed biological turntable is cultivated by continuous water inflow, the ammonia nitrogen concentration of the simulated water i...

Embodiment 2

[0071] The packing type biological turntable includes a rotating shaft, a pumping plate and a packing frame; the packing frame is formed by interlocking two discs containing meshes; the packing frame has a hollow structure; the rotating shaft passes through the packing frame center, and drive the stuffing frame to rotate around the axis of rotation.

[0072] The filler is filled in the hollow structure of the packing frame; the filler is natural clinoptilolite, and the particle diameter of the natural clinoptilolite is 4mm; the diameter of the mesh of the disc is 0.85mm; The setting density of the mesh is 20 meshes; the filling density of the filler is 80%.

[0073]1. The natural clinoptilolite is added to the packed biological turntable, and the total volume of the filler accounts for 30% of the volume of the reaction tank; the packed biological turntable is cultivated by continuous water inflow, the ammonia nitrogen concentration of the simulated water is 50mg / L, and the HRT...

Embodiment 3

[0078] The packing type biological turntable includes a rotating shaft, a pumping plate and a packing frame; the packing frame is formed by interlocking two discs containing meshes; the packing frame has a hollow structure; the rotating shaft passes through the packing frame center, and drive the stuffing frame to rotate around the axis of rotation.

[0079] The hollow structure of the filler frame is filled with filler; the filler is natural clinoptilolite, and the particle diameter of the natural clinoptilolite is 4mm; the diameter of the mesh of the disc is 0.85mm; the disc The setting density of the mesh is 20 meshes; the packing density of the filler is 80%.

[0080] 1. The natural clinoptilolite is added to the packed biological turntable, and the total volume of the filler accounts for 30% of the volume of the reaction tank; the packed biological turntable is cultivated by continuous water inflow, the ammonia nitrogen concentration of the simulated water is 50mg / L, and ...

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Abstract

The invention belongs to the technical field of nitrogen recycling, and provides a filler type biological rotating disc and a method for ammonia nitrogen conversion based on the filler type biological rotating disc. The filler frame of the filler type biological rotating disc provided by the invention is formed by buckling the two discs with the meshes, and the formed hollow structure can be filled with the filler, so that the filling amount of the filler is increased; due to the selection of the types of the filler, the biofilm culturing rate of microorganisms is increased, and the filler has a good adsorption effect on the microorganisms, so that a biofilm formed on the surface of the filler can resist the impact of water flow and is prevented from falling off. The specific surface area of the filler-type biological rotating disc is also increased by selecting meshes of the disc and the types of the fillers, the microorganism domestication efficiency can be improved, the filler-type biological rotating disc can load more microorganisms, a biological membrane with excellent performance is formed, and the treatment efficiency of the filler-type biological rotating disc is further improved.

Description

technical field [0001] The invention relates to the technical field of nitrogen recovery and utilization, in particular to a packed biological turntable and a method for converting ammonia nitrogen based on the packed biological turntable. Background technique [0002] Nitrogen is the main component of crop cell protein, and also the main component of organic compounds such as chlorophyll and plant hormones. Appropriate application of nitrogen fertilizer is conducive to improving the yield and quality of crops. Commonly used nitrogen fertilizers are ammonium nitrogen fertilizers (mainly (NH 4 ) 2 SO 4 , NH 4 HCO 3 , NH 4 Cl, etc.), nitrate nitrogen fertilizer (mainly NaNO 3 , Ca(NO 3 ) 2 etc.), amide nitrogen fertilizer (mainly CO(NH 2 ) 2 , also known as urea). Ammonium nitrogen fertilizer is easily adsorbed by soil colloids, and after long-term enrichment, it is easy to form a local high-concentration ammonium nitrogen environment, which has a toxic effect on th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F3/08C02F101/16
CPCC02F3/082C02F2101/16Y02W10/10C02F2303/20C02F3/107C02F2209/02C02F2209/22C02F2209/14C02F3/006C02F2209/07C02F2209/005
Inventor 曾鸿鹄郑旻昊冯兴会朱宗强梁延鹏
Owner GUILIN UNIVERSITY OF TECHNOLOGY
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