dyHGRG-26 air swept single tube forced convection heat exchange training device
Release time：2024-06-12 10:00viewed：times
Technical parameters:
1. Input power supply: single-phase AC220V±10% 50Hz, power 500W.
2. Centrifugal fan: voltage 220V, power: 85W, *r volume: 1000 m3/h; organic glass experimental body.
3. Heated metal tube (304 st*nless steel): optional between Ф3-6mm, 3 different sizes per unit.
4. Silicon rectifier: input 220V, output: voltage 0-12V, current 0--100A;
5. Potentiometer: UJ36a DC potentiometer.
6. Pitot tube flowmeter is equipped with an inclined tube micro-pressure meter to measure the flow rate: measuring range -10-700pa.
7. Temperature measurement: The measurement system is equipped with an intelligent temperature control instrument (PID temperature control, accuracy ±0.2°C) and a high-precision PID voltage regulation module circuit. Manual damper adjusts *r volume.
8. Dimensions: 600×400×1200mm. The shape is a st*nless steel movable bracket with double brake wheels.
9. Virtual simulation software for electrical installation of building buildings and smart buildings. Based on unity3d design, users can choose different interactive interface sizes according to computer configuration, and six levels of image quality are av*lable. The model in the software can be rotated 360°, enlarged, reduced, and translated. There are assistant prompts during the use of the software, and the content is as follows: A. Wet alarm system 1. System overview: Overview of wet alarm system 2. Equipment awareness: equipped with the best viewing angle, equipment det*ls (displaying the introduction or parameters of the equipment), and exercises (Built-in 6 multiple-choice questions, prompts for correct and incorrect choices), schematic diagram (can be entered into the device from the schematic diagram). Equipment includes: nozzle, water flow indicator, signal butterfly valve, exhaust valve, fire alarm control, high pipe pressure gauge, high water tank, Wia control cabinet, pressure stabilizing tank, flow switch, terminal water testing device, dr*nage facilities, water pump connection alarms, hydraulic alarms, delayers, wet alarms, butterfly valves, check valves, fire pumps, safety pressure regulators, and fire pools. 3. Principle display: Show the working principle of the wet alarm system, three-dimensional animation demonstration, the three-dimensional model is translucent, and the internal water flow can be seen. Equipped with a practice module (built-in 4 multiple-choice questions, with prompts for correct and incorrect choices) 4. Design layout: There are multiple-choice questions and calculation questions, each question is scored, 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 awareness: equipped with the best viewing angle, equipment det*ls (displaying the introduction or parameters of the equipment), exercises (built-in 8 multiple-choice questions, with prompts for correct and incorrect choices), Schematic diagram (access to the device from the schematic diagram). Equipment includes: nozzle, HFC-227 storage bottle, bottle head valve, heptafluoropropane one-way valve, high-pressure hose, gas one-way valve, safety valve, weighing alarm, electromagnetic starter, selection valve, smoke alarm, fire Alarm controller. 3. Principle display: Show the working principle of the gas fire extinguishing system, three-dimensional animation demonstration, the three-dimensional model is translucent, and the internal gas can be seen. Equipped with a practice module (built-in 3 multiple-choice questions, with prompts for both correct and incorrect choices) 4. Design and layout: There are 6 multiple-choice questions, each question is scored, and the correct answer and score will be displayed after submission. C. Escape drill: adopted Teaching is conducted in the form of fun games. Escape from the burning room within a limited time. If you make a wrong choice, you will directly enter the score interface. Experimental purposes: 1. Understand the experimental research methods of convective heat release. 2. Determine the average heat release coefficient α when *r flows crosswise across the surface of a single tube, and organize the experimental data into a criterion equation. M*n configuration: power frequency centrifugal fan, combined organic glass wind tunnel, experimental tube and its heater, solid voltage regulating module with potentiometer to adjust heating power, control box, universal signal input inspection instrument, power meter, voltage regulator , Pitot tube, tilt micromanometer, potentiometer, st*nless steel movable experimental bench .
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