DY-216 Wastewater Aerobic Biodegradability Training Platform

Use a contact oxidation tower (i.e. aerated biological sewage treatment device), with water and *r entering the bottom of the tower, so that the pollutants in the water are fully mixed with the biofilm on the tower filler and the *r, promoting the transfer of oxygen from the gas phase to the liquid phase, and from the liquid phase to the biofilm, ensuring that the microorganisms on the membrane have enough oxygen to decompose and metabolize the substances.
Through this experiment, we hope to achieve the following goals:
1. Master the basic operation process of contact oxidation experiment.
2. Deepen the understanding of the basic process and principle of contact oxidation.
II. M*n technical indicators and parameters:
1. Ambient temperature: 5℃～40℃
2. Processed water volume: 10-15L/h
3. Designed inlet and outlet water quality (reference):
Inlet: BOD5 250～500mg/L Outlet: 60～80mg/L
Inlet: CODcr 350～700mg/L Outlet: 70～90mg/L
Inlet: SS 150～400mg/L Outlet: 30～40mg/L
Inlet: PH 6.5～8.5
4. Device dimensions: 1100mm×600mm×2200mm,
5. Working power supply: AC220V±10%, 50Hz, single-phase three-wire, power 500W, safety protection: with grounding protection, leakage protection, overcurrent protection,
III. M*n configuration:
1. 1 raw water tank: white PP board material, thickness 10mm, 500×400×500mm, with a dr*n valve installed on the bottom plate to dr*n the water;
2. 1 clean water tank: white PP board material, thickness 10mm, 400×400×500mm, 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 25W, speed 120rpm), (including 1 speed regulator)
4. Aerobic tower column, with microporous aeration tube, polypropylene spherical filler, transparent plexiglass material, wall thickness 7mm, Ø 200×1500mm;
5. 1 set of vertical flow sedimentation tank, with aeration tube, transparent plexiglass material, wall thickness 7mm, Ø 250×400mm;
6. One anti-corrosion lifting magnetic water pump, flow rate 0.5m3/h, head 15m, speed 2900r/min, power 0.37KW;
7. Flow measurement and regulation: one rotor flowmeter (LZS-15, range 6~60L/h)
8. Flow measurement and regulation: one gas flowmeter (LZB-15, range 400~4000L/h)
9. One *r compressor (power supply 220V, power 750W, exhaust volume 36L/min, pressure 0.4-0.8MPa; gas volume 8L)
10. Experimental table (white 10mm thick PP board),
11. Power control system: one double-sided matte dense pattern spray-p*nted electric control box, leakage protector (Delixi brand), voltmeter, lockable button switch, wire pipe, etc.
12. Matching UPVC connecting pipes and valves (Zhongc* brand).
13. St*nless steel frame test bench (30mm×30mm st*nless steel square tube, with casters for universal wheels with locking feet).
14. Virtual simulation software for electrical installation of building and intelligent building Designed based on unity3d, users can choose different sizes of interactive interface 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 (built-in 6 multiple-choice questions, with prompts for correct and wrong choices), schematic diagram (you can enter the equipment from the schematic diagram). Equipment includes: sprinkler, water flow indicator, signal butterfly valve, exhaust valve, fire alarm control, high pressure gauge, high-level water tank, Weiya control cabinet, pressure regulating tank, flow switch, terminal water test device, dr*nage facilities, water pump connector, hydraulic alarm, delay, wet alarm, butterfly valve, check valve, fire pump, safety pressure regulating valve, fire water pool. 3. Principle display: Display the working principle of the wet alarm system, 3D animation demonstration, 3D model is semi-transparent, and the internal water flow can be seen. Equipped with exercise module (4 built-in multiple-choice questions, both correct and wrong choices are prompted) 4. Design layout: There are multiple-choice questions and calculation questions, each question is scored, and the correct answer and score are displayed after submission B. Gas fire extinguishing system 1. System overview: Overview of gas fire extinguishing system 2. Equipment cognition: It is equipped with the best viewing angle, equipment det*ls (displaying the introduction or parameters of the equipment), exercises (8 built-in multiple-choice questions, both correct and wrong choices are prompted), and schematic diagram (you can enter the equipment from the schematic diagram). Equipment includes: nozzle, HFC-227 storage bottle, bottle head valve, HFC-227 one-way valve, high-pressure hose, gas one-way valve, safety valve, weighing alarm, electromagnetic starter, selector valve, smoke alarm, fire alarm controller. 3. Principle demonstration: Demonstrate the working principle of the gas fire extinguishing system, 3D animation demonstration, 3D model is semi-transparent, and the internal gas can be seen. Equipped with practice module (built-in 3 multiple-choice questions, with prompts for correct and wrong choices)
4. Design and layout: There are 6 multiple-choice questions, each with a score. After submission, the correct answer and score will be displayed.
C. Escape drill: Teaching in the form of fun games, escaping from the burning room within a limited time. If you make a wrong choice, you will directly enter the score interface.
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