CN-224212538-U - Micro-electrolysis cooperated Fenton catalytic oxidation reactor

CN224212538UCN 224212538 UCN224212538 UCN 224212538UCN-224212538-U

Abstract

The utility model discloses a micro-electrolysis synergistic Fenton catalytic oxidation reactor which comprises a catalytic oxidation reactor and an integrated fluidization coagulation reaction sedimentation tower, wherein the catalytic oxidation reactor is provided with a first pipeline mixer, a second pipeline mixer, a water distributor, a mixing zone, a micro-electrolysis filler zone, a deep catalytic oxidation reaction zone, an overflow port and a first water outlet tank, acid liquor, hydrogen peroxide and wastewater are mixed through the first pipeline mixer and the second pipeline mixer, the second pipeline mixer is connected with a water inlet of the water distributor arranged at the bottom of the mixing zone, the micro-electrolysis filler zone and the deep catalytic oxidation reaction zone are sequentially communicated, water overflows to the first water outlet tank through the overflow port, and the water is discharged after coagulation sedimentation treatment of the integrated fluidization coagulation reaction sedimentation tower. The utility model efficiently degrades and removes pollutants such as refractory organic matters in the wastewater by playing the synergistic effect of the micro-electrolysis and Fenton technologies, thereby improving the wastewater treatment efficiency.

Inventors

LI HUANWEN
Fan Peiwen
DENG AIXUAN
CHEN ZHILIANG

Assignees

佛山市绿之源环保技术有限公司

Dates

Publication Date: 20260508
Application Date: 20250512

Claims (8)

1. The micro-electrolysis cooperated Fenton catalytic oxidation reactor is characterized by comprising a catalytic oxidation reactor and an integrated fluidization coagulation reaction precipitation tower; The catalytic oxidation reactor is provided with a first pipeline mixer, a second pipeline mixer, a water distributor, a mixing area, a micro-electrolysis filling area, a deep catalytic oxidation reaction area, an overflow port and a first water outlet tank; The first pipeline mixer is used for mixing the acid liquor with the wastewater, and the second pipeline mixer is used for mixing the hydrogen peroxide with the wastewater; The first pipeline mixer is connected with the second pipeline mixer, the second pipeline mixer is connected with a water inlet of the water distributor, the water distributor is arranged at the bottom of the mixing zone, the mixing zone is communicated with the micro-electrolysis filling zone, the micro-electrolysis filling zone is communicated with the deep catalytic oxidation reaction zone, the deep catalytic oxidation reaction zone is connected with the overflow port, and the overflow port is connected with the first water outlet tank; The first water outlet tank is connected with an integrated fluidization coagulation reaction precipitation tower, and the integrated fluidization coagulation reaction precipitation tower is used for carrying out coagulation precipitation treatment on water treated by the catalytic oxidation reactor and then discharging the water.
2. The micro-electrolysis co-Fenton catalytic oxidation reactor according to claim 1, wherein the micro-electrolysis packing zone is provided with a plurality of backwash water pipes and a plurality of aeration pipes.
3. The micro-electrolysis synergistic Fenton catalytic oxidation reactor according to claim 1, wherein the mixing zone, the micro-electrolysis packing zone and the deep catalytic oxidation reaction zone are sequentially communicated according to the flow direction of water, and the input wastewater is subjected to grading treatment in a step-by-step nested arrangement mode.
4. The micro-electrolysis and Fenton catalytic oxidation reactor according to claim 1, wherein the first pipeline mixer is connected with an acid liquid inlet pipe, and the second pipeline mixer is connected with a hydrogen peroxide liquid inlet pipe.
5. The micro-electrolysis synergistic Fenton catalytic oxidation reactor according to claim 1, wherein the integrated fluidization coagulation reaction sedimentation tower is provided with a water inlet pump, a third pipeline mixer, a fourth pipeline mixer, a jet water inlet, a fluidization reaction zone, a floc growth reaction zone, a floc separation sedimentation zone, a sludge concentration zone, a clarified water zone and a second water outlet tank which are connected in sequence; The first water outlet tank of the catalytic oxidation reactor is connected with a water inlet pump of an integrated fluidization coagulation reaction sedimentation tower; The third pipeline mixer is used for mixing alkali liquor with inlet water, and the fourth pipeline mixer is used for mixing PAM solution with inlet water.
6. The micro-electrolysis synergistic Fenton catalytic oxidation reactor according to claim 5, wherein the fluidization reaction zone, the flocculation growth reaction zone, the flocculation separation sedimentation zone, the sludge concentration zone and the clarification water zone are sequentially arranged according to the flowing direction of water in a step-by-step nested arrangement mode.
7. The micro-electrolysis and Fenton catalytic oxidation reactor according to claim 5, wherein the integrated fluidization coagulation reaction sedimentation tower is further provided with an overflow port, the clarified water area is connected with the overflow port, and the overflow port is connected with the second water outlet tank.
8. The micro-electrolysis and Fenton catalytic oxidation reactor according to claim 5, wherein the second water outlet tank is provided with a water outlet pipe for discharging the water treated by the integrated fluidization coagulation reaction sedimentation tower.

Description

Micro-electrolysis cooperated Fenton catalytic oxidation reactor Technical Field The utility model relates to the technical field of wastewater treatment, in particular to a micro-electrolysis synergistic Fenton catalytic oxidation reactor. Background The biological treatment technology is used as a core technology of a modern wastewater treatment system, and has remarkable effect in reducing the load of pollutants such as organic matters in wastewater. However, under the background of increasingly strict environmental regulations, the prominent problem that the discharge of industrial wastewater is not up to standard after secondary biological treatment is still common, and the construction of an efficient advanced treatment system is needed. Taking pulping and papermaking wastewater as an example, the high-concentration lignin degradation byproducts contained in the wastewater have remarkable biological resistance, and even after secondary treatment, the residual refractory lignin derivatives in the water body still far exceed the national limit value, and a three-stage advanced treatment process is required to be implemented so as to avoid environmental risks. Notably, current industrial wastewater advanced treatment technologies generally face the dual challenges of high operating cost and limited treatment efficiency, which have become technical bottlenecks that restrict the sustainable development of the industry. Disclosure of Invention In order to overcome the defects and shortcomings in the prior art, the utility model provides the micro-electrolysis synergistic Fenton catalytic oxidation reactor, which is compact, efficient, flexible and high in adaptability, and pollutants such as refractory organic matters in wastewater are efficiently degraded and removed by playing the synergistic effect of micro-electrolysis and Fenton technology, so that the wastewater treatment efficiency is improved. In order to achieve the above purpose, the present utility model adopts the following technical scheme: The invention provides a micro-electrolysis synergistic Fenton catalytic oxidation reactor, which comprises a catalytic oxidation reactor and an integrated fluidization coagulation reaction precipitation tower; The catalytic oxidation reactor is provided with a first pipeline mixer, a second pipeline mixer, a water distributor, a mixing area, a micro-electrolysis filling area, a deep catalytic oxidation reaction area, an overflow port and a first water outlet tank; The first pipeline mixer is used for mixing the acid liquor with the wastewater, and the second pipeline mixer is used for mixing the hydrogen peroxide with the wastewater; The first pipeline mixer is connected with the second pipeline mixer, the second pipeline mixer is connected with a water inlet of the water distributor, the water distributor is arranged at the bottom of the mixing zone, the mixing zone is communicated with the micro-electrolysis filling zone, the micro-electrolysis filling zone is communicated with the deep catalytic oxidation reaction zone, the deep catalytic oxidation reaction zone is connected with the overflow port, and the overflow port is connected with the first water outlet tank; The first water outlet tank is connected with an integrated fluidization coagulation reaction precipitation tower, and the integrated fluidization coagulation reaction precipitation tower is used for carrying out coagulation precipitation treatment on water treated by the catalytic oxidation reactor and then discharging the water. As an optimal technical scheme, the micro-electrolysis filling area is provided with a plurality of backwashing water pipes and a plurality of aeration pipes. As the preferable technical scheme, the mixing area, the micro-electrolysis filling area and the deep catalytic oxidation reaction area are sequentially communicated according to the flowing direction of water, and the input wastewater is subjected to grading treatment in a step-by-step nested setting mode. As the preferable technical scheme, the first pipeline mixer is connected with an acid liquid inlet pipe, and the second pipeline mixer is connected with a hydrogen peroxide inlet pipe. As the preferable technical scheme, the integrated fluidization coagulation reaction sedimentation tower is provided with a water inlet pump, a third pipeline mixer, a fourth pipeline mixer, a jet water inlet, a fluidization reaction zone, a flocculation growth reaction zone, a flocculation separation sedimentation zone, a sludge concentration zone, a clarified water zone and a second water outlet tank which are connected in sequence; The first water outlet tank of the catalytic oxidation reactor is connected with a water inlet pump of an integrated fluidization coagulation reaction sedimentation tower; The third pipeline mixer is used for mixing alkali liquor with inlet water, and the fourth pipeline mixer is used for mixing PAM solution with inlet water. As the preferable