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CN-224226799-U - Sectional temperature control type hydrogen peroxide oxidation catalyst reaction device

CN224226799UCN 224226799 UCN224226799 UCN 224226799UCN-224226799-U

Abstract

The utility model provides a sectional temperature control type hydrogen peroxide oxidation catalyst reaction device, which relates to the field of sewage oxidation treatment and comprises a physical treatment box and a chemical treatment box, wherein the upper end of the physical treatment box is connected with a sewage inlet pipe, the physical treatment box is communicated with the chemical treatment box and the chemical treatment box through connecting pipes, an electric heating plate is arranged on the outer side of the chemical treatment box, the upper side of the electric heating plate is connected with a temperature controller, a lower partition plate and an upper partition plate are arranged in the chemical treatment box, a catalyst layer is arranged between the lower partition plate and the upper partition plate, a water distribution pipe is arranged on the inner side of the chemical treatment box, the upper end of the water distribution pipe is connected with a water inlet pipe, the upper end of the water inlet pipe is connected with a shunt pipe, the upper end of the shunt pipe is connected with a hydrogen peroxide inlet pipe, and a flow valve is arranged in a pipeline of the shunt pipe. The utility model has the sectional temperature control type treatment effect, and improves the sewage treatment degree and efficiency.

Inventors

  • CHEN JINGRONG
  • MAO QINGHUA
  • FAN SHISHUI
  • WANG WENQING
  • Mao Zengfa
  • YAN FANGJUN

Assignees

  • 江山市双氧水有限公司

Dates

Publication Date
20260512
Application Date
20250506

Claims (7)

  1. 1. A sectional temperature control type hydrogen peroxide oxidation catalyst reaction device comprises a physical treatment box (2) and a chemical treatment box (4) and is characterized in that the upper end of the physical treatment box (2) is connected with a sewage inlet pipe (1), the physical treatment box (2) and the chemical treatment box (4) are communicated through a connecting pipe (3), an electric heating plate (8) is arranged on the outer side of the chemical treatment box (4), a temperature controller (5) is connected to the upper side of the electric heating plate (8), a lower partition plate (42) and an upper partition plate (43) are arranged in the chemical treatment box (4), a catalyst layer (44) is arranged between the lower partition plate (42) and the upper partition plate (43), a water distribution pipe (41) is arranged on the inner side of the chemical treatment box (4), the upper end of the water distribution pipe (41) is connected with a water inlet pipe (411), the upper end of the water inlet pipe (411) is connected with a shunt pipe (7), meanwhile, the upper end of the shunt pipe (7) is connected with a hydrogen peroxide inlet pipe (9), and a flow valve (10) is arranged in the pipeline (7).
  2. 2. The segmented temperature control type hydrogen peroxide oxidation catalyst reaction device according to claim 1, wherein a water distribution plate (21) is arranged on the upper side of the interior of the physical treatment box (2), a quartz sand filter layer (22) is arranged on the lower side of the water distribution plate (21), a flow guiding bottom (23) is arranged on the lower side of the quartz sand filter layer (22), and meanwhile the lower end of the sewage inlet pipe (1) is connected with the water distribution plate (21).
  3. 3. The segmented temperature control type hydrogen peroxide oxidation catalyst reaction device according to claim 1, wherein heating resistance wires are arranged inside the electric heating plates (8), and the electric heating plates (8) are wrapped and clamped on the front side outer wall and the rear side outer wall of the chemical treatment box (4).
  4. 4. The segmented temperature control type hydrogen peroxide oxidation catalyst reaction device according to claim 1, wherein the lower end of the temperature controller (5) is connected with a branch pipe (6), a wire is arranged inside the branch pipe (6), and the temperature controller (5) is connected with an electric heating plate (8) through the wire.
  5. 5. The segmented temperature controlled hydrogen peroxide oxidation catalyst reaction device according to claim 1, wherein the lower partition plate (42) is fixed at the inner bottom of the chemical treatment tank (4), the upper partition plate (43) is fixed at the inner top of the chemical treatment tank (4), and the lower partition plate (42) and the upper partition plate (43) are both smaller than the inner height of the chemical treatment tank (4) in the vertical direction.
  6. 6. The segmented temperature control type hydrogen peroxide oxidation catalyst reaction device according to claim 1, wherein the water distribution pipe (41) transversely penetrates through the upper partition plate (43), and the water distribution pipe (41) is located on the upper side of the lower partition plate (42).
  7. 7. The segmented temperature control type hydrogen peroxide oxidation catalyst reaction device according to claim 1, wherein a spray header (412) is connected to the lower end of the water distribution pipe (41), and the spray header (412) is located on the upper side of the catalyst layer (44).

Description

Sectional temperature control type hydrogen peroxide oxidation catalyst reaction device Technical Field The utility model relates to the technical field of sewage oxidation treatment, in particular to a sectional temperature control type hydrogen peroxide oxidation catalyst reaction device. Background Industrial wastewater has been a major point and difficulty in wastewater treatment due to large discharge and high treatment difficulty. Because of large production process difference, the industrial wastewater has different pollutant types, and often has the characteristics of high pollutant concentration, deep chromaticity, difficult degradation and the like, and the treatment methods of the industrial wastewater generally comprise a physical method, a chemical method, a biological method and a combination method thereof, and the chemical method is treated by using hydrogen peroxide and the like. Through retrieving, prior art (bulletin number: CN 215516990U), the document describes "a hydrogen peroxide solution catalytic reaction device, including the cell body, the lateral wall upper portion fixedly connected with of cell body two outlet pipes that symmetry set up, and the lateral wall of cell body is provided with the manhole, the lateral wall lower part of cell body is provided with feeding subassembly, and the inside wall fixedly connected with carrier plate of cell body, the top of carrier plate is provided with the packing layer, and the round hole that a plurality of arrays set up has been seted up to the upper lateral wall of carrier plate, the circular slot has been seted up to the upper end of round hole, each the round hole interpolation is equipped with the water distribution cap, and the water distribution cap passes through detachable connection between installation mechanism and the circular slot. This kind of hydrogen peroxide solution catalytic reaction device combines together physical filtration and chemical filtration, carries out catalytic reaction to it under the effect of catalyst layer simultaneously and guarantees waste water treatment's effect and efficiency to, be convenient for install and dismantle the water distribution cap, thereby be convenient for clear up maintenance and change it. " Although the hydrogen peroxide catalytic reaction device in the prior art realizes the installation and the disassembly of the components conveniently, the prior hydrogen peroxide catalytic reaction device still has the defects that in order to accelerate the treatment efficiency, when the sewage water inflow speed is high, the contact time between the catalyst and the hydrogen peroxide is short, and the treatment effect deviation is further caused, and secondly, the substances in the industrial sewage are more complex, and different substances have different characteristics, so that the effective oxidation reaction treatment of all the substances cannot be ensured at the internal temperature of a single tank body because the different substances need different catalytic reaction temperatures, and the treatment effect is poor. Disclosure of utility model In order to overcome the defects existing in the prior art, a sectional temperature control type hydrogen peroxide oxidation catalyst reaction device is provided so as to solve the problems in the prior art. In order to achieve the aim, the sectional temperature control type hydrogen peroxide oxidation catalyst reaction device comprises a physical treatment box and a chemical treatment box, wherein the upper end of the physical treatment box is connected with a sewage inlet pipe, the physical treatment box is communicated with the chemical treatment box and the chemical treatment box through connecting pipes, an electric heating plate is arranged on the outer side of the chemical treatment box, a temperature controller is connected to the upper side of the electric heating plate, a lower partition plate and an upper partition plate are arranged in the chemical treatment box, a catalyst layer is arranged between the lower partition plate and the upper partition plate, a water distribution pipe is arranged on the inner side of the chemical treatment box, the upper end of the water distribution pipe is connected with a water inlet pipe, the upper end of the water inlet pipe is connected with a shunt pipe, the upper end of the shunt pipe is connected with a hydrogen peroxide inlet pipe, and a flow valve is arranged in a pipeline of the shunt pipe. Further, a water distribution plate is arranged on the upper side of the inside of the physical treatment box, a quartz sand filter layer is arranged on the lower side of the water distribution plate, a flow guiding bottom is arranged on the lower side of the quartz sand filter layer, and meanwhile, the lower end of the sewage inlet pipe is connected with the water distribution plate. Further, heating resistance wires are arranged in the electric heating plate, and the electric heating plate is wrapped an