DY-240 Photocatalytic Wastewater Treatment Training Platform

Release time：2024-06-24 07:00viewed：times

1. Experimental description:
Multiphase photocatalytic reactions have aroused great interest among people. Scientists have conducted a lot of research on this, explored the principles of the process, and worked hard to improve the efficiency of photocatalysis. At present, among the semiconductor catalysts used in multiphase photocatalytic reactions, the most commonly used ones are non-toxic, high catalytic activity, strong oxidation ability, and good stability. However, due to the wide band gap, the solar energy that can be utilized only accounts for about 3% of the total solar light intensity. In order to improve the utilization rate of solar energy and actively improve the catalytic efficiency, people have carried out a lot of research work, such as adopting some surface modification and modification technologies, designing and developing high-efficiency reactors, etc. Harmful pollutants can be effectively degraded and eliminated by semiconductor photocatalysis. In recent years, semiconductor multiphase photocatalysis has received increasing attention as a new pollution control technology. Its application potential in wastewater treatment has been reported in many literatures. A large number of studies have confirmed that dyes, surfactants, organic halides, pesticides, oils, cyanides, etc. can effectively undergo photocatalytic reactions, decolorize, detoxify, and mineralize into inorganic small molecules, thereby eliminating pollution to the environment. At present, there have been a lot of reports on the basic theory and practical application of photocatalysis at home and abroad. This article attempts to study the research progress of photocatalytic reaction and its application in wastewater treatment in recent years.
2. Technical indicators and parameters:
1. Ambient temperature: 5℃～40℃;
2. Water treatment volume: 10～20L/h;
3. Aeration tank: HRT＝5.6h;
4. Ultraviolet sterilization lamp: Ø 20mm×500mm
5. Photocatalytic reaction column: Ø 100mm×700mm;
6. Overall dimensions 1000×450×1300 mm
7. Working power supply: AC220V±10%, 50Hz, single-phase three-wire system, power 500W, safety protection: with grounding protection, leakage protection, overcurrent protection
3. M*n configuration:
1. 1 raw water tank: white PP board material, thickness 10mm, 400×350×450mm, a dr*n valve is installed on the bottom plate to facilitate the dr*nage of water;
2. 1 clean water tank: made of white PP board, thickness 10mm, 300×300×400mm, with a dr*n valve installed on the bottom plate to dr*n the water;
3. 1 raw water tank stirring motor , 1 set of 304 st*nless steel stirring paddle; (power 6W, speed 120rpm), (including 1 speed regulator)
4. 1 set of photocatalytic reaction column, made of plexiglass, wall thickness 6mm, Ø100×1000mm; including 1 quartz tube, 1 ultraviolet lamp,
5. 1 anti-corrosion lifting magnetic water pump, flow rate: 16~19 (L/min), head: 2.7~3.1 (m) power 20W;
6. 1 *r pump, power: 20 W, maximum *r volume: 6L/min,
7. 1 ozone generator: 1 ozone generator, gas production 5g/h, *r source, *r cooling, adjustable gas volume, sterilization efficiency: >99%; 304 st*nless steel shell, strong antioxidant capacity;
8. Flow measurement and regulation: 1 rotor flowmeter, (6~60L/h) 9.
Flow measurement and regulation: 1 gas flowmeter, (1~10L/h)
10. Power control system: 1 double-sided matte dense spray plastic electric control box, leakage protector (Delixi brand), voltmeter, lockable button switch, wire pipe, etc.
11. Matching UPVC connecting pipes and valves (Zhongc* brand).
12. St*nless steel frame test bench (30mm×30mm st*nless steel square tube, equipped with casters for universal wheels with locking feet), etc.
13. Virtual simulation software for electrical installation of building buildings and intelligent buildings Based on unity3d design, users can choose different sizes of interactive interfaces according to computer configuration, and can choose six levels of image quality. The model in the software can be rotated 360°, enlarged, reduced, and translated. There are assistant prompts during the use of the software, as follows: A. Wet alarm system 1. System overview: Overview of wet alarm system 2. Equipment recognition: It has the best viewing angle, equipment det*ls (displaying the introduction or parameters of the equipment), exercises (6 built-in multiple-choice questions, with prompts for correct and wrong choices), and schematic diagrams (you can enter the equipment from the schematic diagram). The equipment includes: sprinklers, water flow indicators, signal butterfly valves, exhaust valves, fire alarm controls, high-pressure gauges, high-level water tanks, Wia control cabinets, pressure regulators, flow switches, terminal water testing devices, dr*nage facilities, water pump connectors, hydraulic alarms, delays, wet alarms, butterfly valves, check valves, fire pumps, safety pressure regulators, and fire water tanks. 3. Principle display: Display the working principle of the wet alarm system, 3D animation demonstration, and semi-transparent 3D models to see the internal water flow. Equipped with practice module (4 multiple-choice questions built in, with prompts for correct and wrong choices) 4. Design layout: There are multiple-choice questions and calculation questions, each with scores, and the correct answer and score will be displayed after submission B. Gas fire extinguishing system 1. System overview: Overview of gas fire extinguishing system 2. Equipment cognition: There are optimal viewing angles, equipment det*ls (displaying the introduction or parameters of the equipment), exercises (8 built-in multiple-choice questions, with prompts for correct and wrong choices), and schematic diagrams (you can enter the equipment from the schematic diagram). The equipment includes: nozzles, HFC-227 storage bottles, bottle head valves, heptafluoropropane check valves, high-pressure hoses, gas check valves, safety valves, weighing alarms, electromagnetic starters, selector valves, smoke alarms, and fire alarm controllers. 3. Principle display: Display the working principle of the gas fire extinguishing system, 3D animation demonstration, and semi-transparent 3D models to see the internal gas. Equipped with practice module (3 built-in multiple-choice questions, with prompts for correct and wrong choices) 4. Design layout: There are 6 multiple-choice questions, each with scores, and the correct answer and score will be displayed after submission
C. Escape drill: Teaching in the form of fun games, escaping from the burning room within a limited time. If you make a mistake, you will directly enter the score interface.
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