DY-259 Completely Mixed Activated Sludge Training Platform

Release time：2024-06-25 07:00viewed：times

1. Experimental purpose: The purpose of the dynamic model experiment of
sewage structures is to cooperate with the relevant content taught in the dr*nage engineering textbook, so that students can intuitively understand the type of structure, internal structure and water flow trajectory in the structure, and deepen their understanding of the content they have learned. Through this experiment, we hope to achieve the following goals: 1. By observing the operation of the fully mixed activated sludge treatment system, deepen the understanding of the characteristics and operation rules of the treatment system; 2. Through the debugging and control of the model experiment system, initially cultivate the basic skills of conducting small simulation experiments; 3. Be familiar with and understand the control method of the activated sludge treatment system, and further understand the control parameters such as sludge load, sludge age, dissolved oxygen concentration and their role in actual operation. II. M*n technical indicators and parameters: 1. Ambient temperature: 5℃～40℃ 2. Processed water volume: 20～30L/h 3. Air aeration volume: 100～300L/h 4. Designed inlet and outlet water quality: Inlet: BODcr 400～800mg/L Outlet: 70～150mg/L Inlet: COD5 200～400mg/L Outlet: 20～40mg/L Inlet: SS 00～300mg/L Outlet: 20～80mg/L Inlet: PH 6~9 Outlet: 6~9 5. Reaction tank size: 350mm×300mm×400m (4 pieces), 6. Device overall size: 1800mm×700mm×1600mm 7. Working power supply: AC220V±10%, 50Hz, single-phase three-wire system, power 1500W, safety protection: with grounding protection, leakage protection, overcurrent protection, III. M*n configuration: 1. 1 raw water tank: white PP board material, thickness 10mm, 500×400×550mm, a dr*n valve is installed on the bottom plate to dr*n the water; 2. 2 clean water tanks: white PP board material, thickness 10mm, 250×400×500mm, a dr*n valve is installed on the bottom plate to dr*n the water; 3. Equipped with 1 raw water tank stirring motor and 1 set of 304 st*nless steel stirring paddle; (power 25W, speed 120rpm), (including 1 speed regulator) 4. 4 sets of combined reaction aeration tanks, including aeration devices, transparent plexiglass material, thickness 10mm, 300×300×350mm; 5. 1 high-level water distribution tank, made of transparent plexiglass, thickness 10mm, 400×350×400mm; 6. 1 anti-corrosion lifting magnetic water pump, flow rate: 16~19 (L/min), lift: 2.7~3.4 (m), power 20W; 7. 1 *r compressor (power supply 220V, power 550W, exhaust volume 36L/min, pressure 0.4-0.8MPa; gas volume 8L), 8. Flow measurement and regulation: 4 gas flow meters, (LZB-10, range 100~1000L/h) 9. Experimental table (white 10mm thick PP board), 10. Power control system: 1 double-sided matte dense pattern spray-p*nted 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, with casters for universal wheels with locking feet). 13. 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). The 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, selection valve, smoke alarm, and 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 (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, and the wrong choice will directly enter the score interface.
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