Dyhgyl-11 Cave Road Drying Training Platform
Release time：2024-06-07 02:30viewed：times
Features of the device:
1. The entire device is beautiful and elegant, with reasonable structural design and strong engineering flavor, which can fully embody the concept of a modern laboratory .
2. The entire equipment is a self-propelled frame structure and is equipped with restr*ning feet to facilitate the disassembly, m*ntenance and transportation of the system.
3. Except for special materials, the entire set of equipment is made of industrial 304 st*nless steel. All equipment is finely polished, which reflects the process perfection of the entire device.
4. The device layout is reasonable, the drying box and pipes are made of st*nless steel, and the device supports are integrated into a cabinet-type trolley. The drying process is carried out in a drying *r duct made of st*nless steel plates with aluminum silicate insulation cotton, and the *r duct inlet is equipped with an *r flow uniformity plate.
5. The device design allows for 360-degree observation, enabling all-round teaching and experimentation.
6. In addition to conducting all experiments directly in the control cabinet, the experiment can also be remotely connected to the computer to carry out intelligent adjustment and display instrumentation + serial communication + upper-level monitoring computer mode, supporting experimental data collection and data processing software. Data can be exported through a USB flash drive, and a printer can be connected to print the data. The device can realize manual and automatic interference-free switching operations, and is equipped with safety interlock protection and automatic alarm devices to ensure the normal and safe operation of the equipment.
Device functions:
1. Master the measurement methods of the drying curve (X-τ) and drying rate curve (UX) of materials under constant drying conditions.
2. Learn how to measure the moisture content of materials. Deepen the understanding of the concept of material critical moisture content Xc and its influencing factors.
3. Learn the method for measuring the convective heat transfer coefficient between materials and *r in the constant speed drying stage.
4. Determine the drying curve and drying rate curve under different dry bulb temperatures and different *r volumes;
5. Use a novel wet bulb temperature measurement method to eliminate the impact of moisture on the drying medium and the impact of frequent addition of water on the experimental results.
6. Full touch integrated control assembly to achieve highly stable data monitoring and analysis and data encryption.
7. The device can scan the code with a mobile terminal to obt*n a video introduction to the device process.
Design parameters:
*r flow: 40--100 m3/h, drying medium temperature up to 100°C, normal pressure operation.
Moisture content of experimental materials X: 0.2-2.0.
Drying area S: 0.02-0.03m2
Drying rate U: 0.5-2.5×10-4 [kg/(s·m2)].
Material critical moisture content Xc: 0.8.
Utilities:
Water: The device comes with a wet bulb temperature and water bottle. Add 100ml of water before the experiment.
Electricity: Voltage AC220V, power 3.0KW, standard single-phase three-wire system. Each laboratory needs to be equipped with 1~2 grounding points (safety ground and signal ground).
Air: The *r comes from the fan, is heated by the heater, and enters the tunnel drying box (with its own *r source).
Experimental materials: homemade adhesive rectangular material, weighing about 20g, external equipment: stopwatch.
Technical parameters:
1. 304 st*nless steel tunnel dryer: 900mm long, *r circulation cross-sectional area 0.0357 m2. Built-in *r distributors at the front and rear, and high-temperature-resistant transparent windows.
2. Heater: made of 304 st*nless steel, heating power 2.0KW, automatic temperature control.
3. 304 st*nless steel pipes, fittings and valves. The fan pipe is softly connected to the system for shock absorption. The inlet of the fan is connected to the outlet butterfly valve of the tunnel drying box. Three butterfly valves are installed on the outlet pipe of the tunnel drying box to control the *r inlet respectively. , thermal circulation *r, ventilation.
4. Air volume adjustment: single-phase vector frequency converter, specifications: (0-50) Hz.
5. Wet bulb temperature measurement system: adopts lead-out wet bulb temperature measurement method.
6. Gas vortex flowmeter, measuring range 30-380m3/h, 4-20mA signal output, accuracy level 0.5.
7. Weight sensor : 0-500g, automatic tare and zero, accuracy level 0.3.
8. Temperature sensor: Pt100, resolution 0.1℃, accuracy 0.5%.
9. Fan: low-noise medium-pressure fan with a power of 550W and a maximum flow of 800 m3/h.
10. Electrical appliances: contactors, switches, leakage protection *r switches.
11. Central processing unit: execution speed 0.64μs, memory capacity 16K, function: data processing operations.
12. Analog module: up to 16-bit resolution, sum accuracy ±0.5%, built-in RS485 communication mode.
13. Temperature module: resolution 0.1℃, accuracy 0.5%, built-in RS485 communication mode, function: temperature signal acquisition and conversion.
14. Display terminal: It adopts an all-in-one tablet touch computer and the entire digital touch screen control operation. HMI: Projected touch technology, 50 million touch points, 4G memory, function: central processor data display control.
15. Rated voltage: 220V, total power: 3.0KW.
16. Overall dimensions: 1800×550×1700mm (length×width×height). The shape is movable in design, with brake wheels, high-quality aluminum alloy profile frame, no welding points, easy installation and disassembly, and horizontally adjustable support casters.
17. Engineering signs: including equipment tags, pipeline flow direction arrows and logos, valve tag numbers and other supporting engineering equipment concepts, including safety warning signs, so that students can be in a safe experimental operating environment and learn to recognize engineering pipeline signs. knowledge and cultivate students’ engineering concepts.
18. The supporting measurement and control software can realize real-time online collection and display of experimental data, curves and equipment operating status. Terminal coverage is achieved through WIFI technology.
19. 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 can choose from six image quality levels. 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: Demonstrate 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 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.
Wechat scan code follow us
