Catalytic oxidation treatment equipment for hazardous waste organic chemical sewage

Abstract

The utility model discloses catalytic oxidation treatment equipment for hazardous waste organic chemical sewage, which belongs to the technical field of wastewater treatment, and comprises a water inlet main pipeline, a plurality of water inlet pipes are communicated on the water inlet main pipeline side by side, the right ends of the plurality of water inlet pipes are communicated with oxidation treaters, the right sides of the plurality of oxidation treaters are communicated with water outlet pipes, and the water outlet pipes are communicated with water inlet pipes. The right ends of the multiple water outlet pipes communicate with a main drainage pipeline, and the side walls of the multiple oxidation treaters are fixedly connected with PLCs used for being electrically connected with the oxidation treaters. According to the organic chemical sewage treatment device disclosed by the utility model, the continuity and the treatment efficiency of organic chemical sewage treatment are improved through the plurality of oxidation treatment devices, and the oxidation effect of ozone on the organic chemical sewage is accelerated through ultrasonic oscillation generated by the ultrasonic oscillator; a photocatalytic oxidation effect is formed, and oxidative degradation of organic matters in the organic chemical sewage is accelerated.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of wastewater treatment, specifically to a kind of dangerous waste organic chemical wastewater catalytic oxidation treatment equipment. BACKGROUND

[0002] Industrial organic wastewater refers to the wastewater containing a large amount of organic matter generated in the industrial production process. These wastewaters mainly come from chemical, pharmaceutical, printing and dyeing, food processing and other industries. The characteristics of industrial organic wastewater include high concentration of organic matter, complex composition, high toxicity and poor biodegradability. If not effectively treated and directly discharged, it will cause serious pollution to the environment, destroy the ecological balance and harm human health.

[0003] Industrial organic wastewater comes from a wide range of sources, including chemical, pharmaceutical, printing and dyeing, food processing and other industries. The organic matter concentration in the liquid supply is high, and the wastewater contains various organic matter, including aromatic compounds, heterocyclic compounds, sulfides, nitrides, heavy metals and toxic organic matter.

[0004] The existing organic wastewater oxidation equipment has poor oxidation and degradation effect on organic matter in industrial wastewater, so an oxidation treatment equipment capable of efficiently oxidizing organic matter is needed. SUMMARY

[0005] To solve the above technical problems, the utility model provides a kind of dangerous waste organic chemical wastewater catalytic oxidation treatment equipment.

[0006] The technical scheme of the utility model is: a kind of dangerous waste organic chemical wastewater catalytic oxidation treatment equipment, including water inlet main pipeline, multiple water inlet pipes are communicated in parallel on the water inlet main pipeline, the right end of multiple water inlet pipes is all communicated with oxidation processor, the right side of multiple oxidation processors is all communicated with water outlet pipe, the right end of multiple water outlet pipes is all communicated with drainage main pipeline, PLC controller for being electrically connected with oxidation processor is all fixedly connected on the side wall of multiple oxidation processors;

[0007] The oxidation processor includes oxidation bin, the inner wall of the oxidation bin is fixedly connected with titanium dioxide board one, the surface of the titanium dioxide board one is fixedly connected with multiple ultraviolet lamps one, the bottom of the oxidation bin is fixedly connected with microporous aeration pipe, the front side outer wall of the oxidation bin is fixedly connected with ozone generator, the gas outlet of the ozone generator is communicated with the microporous aeration pipe, the left side upper portion of the oxidation bin is communicated with the water inlet pipe, the right side bottom of the oxidation bin is communicated with the water outlet pipe, and the ozone generator is electrically connected with the PLC controller.

[0008] Further, the bottom of the oxidation bin is fixedly connected with ultrasonic oscillator, and the ultrasonic oscillator is electrically connected with the PLC controller.

[0009] Explanation: The cavitation effect of ultrasonic waves can produce local high temperature and high pressure conditions, promote the direct and rapid decomposition of ozone in the ozone cavitation bubble, generate more active hydroxyl radicals in the solution, and accelerate the propagation rate into the solution. These free radicals enter the water with the shock wave of the cavitation bubble collapse, and due to their strong oxidizing property, the pollutants in the water are rapidly oxidized and degraded.

[0010] Further, the top of the oxidation bin is abutted with a cover plate, a plurality of titanium dioxide plates two are fixedly connected below the cover plate, the surfaces of the titanium dioxide plates two are fixedly connected with a plurality of ultraviolet lamps two, and an exhaust port is arranged at the top of the cover plate.

[0011] Explanation: Titanium dioxide is a semiconductor material, when irradiated by ultraviolet light, the electrons in the valence band jump to the conduction band to form photoelectrons and holes. These electrons and holes migrate to different positions on the surface to participate in redox reactions, and through the photocatalytic oxidation process, organic pollutants in wastewater are degraded and removed.

[0012] Further, an electronic valve one is arranged on the upper portion of the water inlet pipe, an electronic valve two is arranged on the water outlet pipe, a hydraulic sensor is arranged at the bottom of the oxidation bin, and the electronic valve one, the electronic valve two and the hydraulic sensor are electrically connected with the PLC controller.

[0013] Explanation: The PCL controller controls the wastewater to enter or discharge from the oxidation bin, realizing automatic control.

[0014] Further, a battery is fixedly connected to the top of the cover plate, a solar panel for charging the battery is fixedly connected to the top of the battery, and the battery is electrically connected with the ultraviolet lamp one and the ultraviolet lamp two.

[0015] Explanation: The solar panel provides electric energy for the ultraviolet lamp one and the ultraviolet lamp two, which can effectively reduce the energy consumption required for photocatalytic oxidation.

[0016] The beneficial effects of the utility model are:

[0017] The utility model discloses a main pipeline is with organic chemical industry sewage is introduced into multiple oxidation treatment ware and carries out oxidation degradation, and multiple oxidation treatment ware improves the continuity and processing efficiency of organic chemical industry sewage treatment, and through the ultrasonic oscillator produces ultrasonic oscillation and accelerates the oxidation effect of ozone to organic chemical industry sewage, simultaneously through titanium dioxide board no. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the structure of the utility model's view.

[0019] Figure 2 It is the structure of the utility model's view.

[0020] Among them, 1 - water inlet main pipeline, 2 - water inlet pipe, 3 - oxidation treatment ware, 4 - water outlet pipe, 5 - drainage main pipeline, 6 - PLC controller, 31 - oxidation bin, 32 - titanium dioxide board no. 1, 33 - ultraviolet lamp no. 1, 34 - microporous aeration pipe, 35 - ozone generator, 36 - ultrasonic oscillator, 37 - cover plate, 371 - titanium dioxide board no. 2, 372 - ultraviolet lamp no. 2, 373 - exhaust port, 21 - electronic valve no. 1, 41 - electronic valve no. 2, 311 - hydraulic sensor, 38 - battery, 39 - solar panel. DETAILED DESCRIPTION

[0021] Example 1:

[0022] As Figure 1 Shown, a kind of hazardous waste organic chemical industry sewage catalytic oxidation treatment equipment, including water inlet main pipeline 1, multiple water inlet pipes 2 are communicated in parallel on water inlet main pipeline 1, the right end of multiple water inlet pipes 2 is all communicated with oxidation treatment ware 3, the right side of multiple oxidation treatment wares 3 is all communicated with water outlet pipe 4, the right end of multiple water outlet pipes 4 is all communicated with drainage main pipeline 5, and multiple oxidation treatment wares 3 side wall are all fixedly connected with the PLC controller 6 for and oxidation treatment ware 3 electric connection;

[0023] As Figure 2As shown, the oxidation processor 3 comprises an oxidation bin 31, the inner wall of the oxidation bin 31 is fixedly connected with a titanium dioxide plate one 32, the surface of the titanium dioxide plate one 32 is fixedly connected with a plurality of ultraviolet lamps one 33, the bottom of the oxidation bin 31 is fixedly connected with a microporous aeration pipe 34, the front side outer wall of the oxidation bin 31 is fixedly connected with an ozone generator 35, the gas outlet of the ozone generator 35 is communicated with the microporous aeration pipe 34, the left side upper portion of the oxidation bin 31 is communicated with the water inlet pipe 2, the right side bottom of the oxidation bin 31 is communicated with the water outlet pipe 4, and the ozone generator 35 is electrically connected with the PLC controller 6.

[0024] The upper portion of the water inlet pipe 2 is provided with an electronic valve one 21, the water outlet pipe 4 is provided with an electronic valve two 41, and the bottom of the oxidation bin 31 is provided with a hydraulic sensor 311, and the electronic valve one 21, the electronic valve two 41 and the hydraulic sensor 311 are electrically connected with the PLC controller 6.

[0025] Embodiment 2:

[0026] The difference between this embodiment and embodiment 1 is that the bottom of the oxidation bin 31 is fixedly connected with an ultrasonic oscillator 36, and the ultrasonic oscillator 36 is electrically connected with the PLC controller 6.

[0027] Compared with embodiment 1, the cavitation effect of the ultrasonic wave can produce local high temperature and high pressure conditions, promote the direct and rapid decomposition of ozone in the ozone cavitation bubble, produce more active hydroxyl radicals in the solution, and accelerate the propagation rate into the solution. These radicals enter the water with the shock wave caused by the collapse of the cavitation bubble, and due to their extremely strong oxidizing property, the pollutants in the water are rapidly oxidized and degraded.

[0028] Embodiment 3:

[0029] The difference between this embodiment and embodiment 2 is that the top of the oxidation bin 31 abuts against a cover plate 37, a plurality of titanium dioxide plates two 371 are fixedly connected below the cover plate 37, a plurality of ultraviolet lamps two 372 are fixedly connected to the surface of the titanium dioxide plates two 371, and the top of the cover plate 37 is provided with an exhaust port 373.

[0030] Compared with embodiment 2, in this embodiment, titanium dioxide is a semiconductor material, when irradiated by ultraviolet light, the electrons in the valence band jump to the conduction band to form photo-generated electrons and holes. These electrons and holes migrate to different positions on the surface to participate in redox reactions, and through the photocatalytic oxidation process, organic pollutants in wastewater are degraded and removed.

[0031] Embodiment 4:

[0032] The difference between the embodiment and embodiment 3 is that the top of the cover plate 37 is fixedly connected with a battery 38, the top of the battery 38 is fixedly connected with a solar panel 39 for charging the battery 38, and the battery 38 is electrically connected with the ultraviolet lamp one 33 and the ultraviolet lamp two 372.

[0033] Compared with embodiment 3, the embodiment can effectively reduce the energy consumption required by the photocatalytic oxidation by providing the ultraviolet lamp one 33 and the ultraviolet lamp two 372 with electric energy through the solar panel 39.

[0034] The working method of the above-mentioned embodiments comprises the following steps:

[0035] S1, the organic wastewater enters the water inlet pipe 2 through the water inlet main pipe 1, and then enters the oxidation bin 31, generates ozone through the ozone generator 35, and the generated ozone is introduced into the microporous aeration pipe 34, and the ozone is uniformly distributed in the organic wastewater through the microporous aeration pipe 34;

[0036] S2, the ultraviolet lamp one 33 and the ultraviolet lamp two 372 are irradiated on the titanium dioxide plate one 32 and the titanium dioxide plate two 371, which is the transition of the valence band electrons on the titanium dioxide to the conduction band, to form photo-generated electrons and holes; these electrons and holes migrate to different positions on the surface to participate in redox reactions, and then degrade and remove organic pollutants in wastewater through a photocatalytic oxidation process;

[0037] S3, the ultrasonic oscillator 36 generates ultrasonic oscillation, and the combination of ultrasonic waves and ozone effectively removes organic matter in water, and the combination also reduces the dosage of ozone, reduces the processing cost, and improves the reaction rate and processing efficiency.

[0038] In the above embodiments, the PLC controller 6, the ultraviolet lamp one 33, the microporous aeration pipe 34, the ozone generator 35, the ultrasonic oscillator 36, the ultraviolet lamp two 372, the electronic valve one 21, the electronic valve two 41, the hydraulic sensor 311, the battery 38, and the solar panel 39 are all commercially available products as long as they can realize the functions of the utility model, and those skilled in the art can select and use them according to conventional common sense, which is not specially limited here.

Claims

1. A catalytic oxidation treatment device for hazardous waste organic chemical wastewater, characterized in that, It includes a main water inlet pipe (1), on which multiple water inlet pipes (2) are connected in parallel. The right end of each of the multiple water inlet pipes (2) is connected to an oxidation processor (3). The right side of each of the multiple oxidation processors (3) is connected to an outlet pipe (4). The right end of each of the multiple outlet pipes (4) is connected to a main drainage pipe (5). A PLC controller (6) for electrical connection with the oxidation processor (3) is fixedly connected to the side wall of each of the multiple oxidation processors (3). The oxidation processor (3) includes an oxidation chamber (31), a titanium dioxide plate (32) is fixedly connected to the inner wall of the oxidation chamber (31), a plurality of ultraviolet lamps (33) are fixedly connected to the surface of the titanium dioxide plate (32), a microporous aeration pipe (34) is fixedly connected to the bottom of the oxidation chamber (31), an ozone generator (35) is fixedly connected to the front outer wall of the oxidation chamber (31), the outlet of the ozone generator (35) is connected to the microporous aeration pipe (34), the upper left side of the oxidation chamber (31) is connected to the water inlet pipe (2), the bottom right side of the oxidation chamber (31) is connected to the water outlet pipe (4), and the ozone generator (35) is electrically connected to the PLC controller (6).

2. The catalytic oxidation treatment equipment for hazardous waste organic chemical wastewater as described in claim 1, characterized in that, An ultrasonic oscillator (36) is fixedly connected to the bottom of the oxidation chamber (31), and the ultrasonic oscillator (36) is electrically connected to the PLC controller (6).

3. The catalytic oxidation treatment equipment for hazardous waste organic chemical wastewater as described in claim 1, characterized in that, The top of the oxidation chamber (31) is abutted by a cover plate (37), and a plurality of titanium dioxide plates (371) are fixedly connected to the bottom of the cover plate (37). A plurality of ultraviolet lamps (372) are fixedly connected to the surface of the titanium dioxide plates (371). An exhaust port (373) is provided on the top of the cover plate (37).

4. The catalytic oxidation treatment equipment for hazardous waste organic chemical wastewater as described in claim 1, characterized in that, The water inlet pipe (2) is equipped with an electronic valve one (21), the water outlet pipe (4) is equipped with an electronic valve two (41), and the bottom of the oxidation chamber (31) is equipped with a hydraulic sensor (311). The electronic valve one (21), electronic valve two (41), and hydraulic sensor (311) are all electrically connected to the PLC controller (6).

5. The catalytic oxidation treatment equipment for hazardous waste organic chemical wastewater as described in claim 3, characterized in that, A battery (38) is fixedly connected to the top of the cover plate (37), and a solar panel (39) for charging the battery (38) is fixedly connected to the top of the battery (38). The battery (38) is electrically connected to the first ultraviolet lamp (33) and the second ultraviolet lamp (372).

Images