DY-155 oxygen transfer coefficient determination training device
Release time：2024-06-22 11:30viewed：times
1. Experimental purpose:
This experiment conducts aeration and oxygenation experiments on sewage without aerobic microorganisms and sewage with aerobic microorganisms, determines the oxygen transfer correction coefficients α and β, and understands the difference in the oxygen transfer process under the two conditions.
Determination of the aeration and oxygenation correction coefficients α and β of sewage without aerobic microorganisms:
1 Understand the significance of the oxygenation correction coefficients α and β in sewage biological aeration.
2 Master the determination method of the aeration and oxygenation coefficients α and β of sewage without aerobic microorganisms.
2. M*n technical indicators and parameters:
1. Ambient temperature: 5℃～40℃
2. Processed water volume: 30～50L/h,
3. Dimensions: 1400mm×500mm×1600mm,
4. Working power supply: AC220V±10%, 50Hz, single-phase three-wire system, power 400W, safety protection: with grounding protection, leakage protection, overcurrent protection,
3. M*n configuration:
1. 1 set of high-level water tank, transparent organic glass material, thickness 10mm,
2. 2 sets of mixing reactors, transparent organic glass material, thickness 8mm,
3. 1 raw water tank (white 10mm thick PP plate), with a dr*n valve installed on the bottom plate to facilitate the dr*nage of water;
4. Equipped with 1 raw water tank motor stirring, 1 set of 304 st*nless steel stirring paddle; (power 15W, speed 80rpm),
5. 1 fan, power: 250W,
6. 2 sets of motor mixers, 1 set of 304 st*nless steel stirring paddles (power 25W, speed 120rpm),
7. 2 speed regulators,
7. 2 sets of microporous aeration disks, specification Ø210mm
8. 4 copper sampling ports, specification Ø10mm
9. 2 sets of gas flow meters (LZS-15, 160~1600L/h)
10. 1 set of anti-corrosion magnetic water inlet pump, flow rate: 27~32 (L/min), head: 3.1~4.3 (m),
11. Power control system: 1 double-sided matte dense pattern spray-coated 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 laboratory table (30mm×30mm st*nless steel square tube, with casters as universal wheels with locking feet), etc.
14\ Virtual simulation software for electrical installation of building and intelligent building Based on unity3d design, 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). The equipment includes: sprinkler, water flow indicator, signal butterfly valve, exhaust valve, fire alarm control, high pressure gauge, high-level water tank, Wia control cabinet, pressure regulating tank, flow switch, end 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 tank. 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 multiple-choice questions are built-in, and there are prompts for correct and wrong choices) 4. Design layout: There are multiple-choice questions and calculation questions, each of which 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 recognition: There are optimal viewing angles, equipment det*ls (displaying the introduction or parameters of the equipment), exercises (8 built-in multiple-choice questions, and there are 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, selection valves, smoke alarms, and fire alarm controllers. 3. Principle display: Display the working principle of the gas fire extinguishing system, 3D animation demonstrations, and 3D models are 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 scores, and the correct answer and score will be displayed after submission . C. Escape drill: Teaching in the form of fun games, escape from the burning room within a limited time, and wrong choices will directly enter the score interface.
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