Dyhgyl-14 carbon dioxide absorption and analytical training device
Release time：2024-06-08 23:30viewed：times
Features of the device:
1. The entire device is beautiful and elegant, with reasonable structural design and strong sense of integrity, which can fully embody the concept of modern experimental devices.
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. The gas-liquid contact phenomenon in the entire tower is visible.
4. This experimental device uses carbon dioxide-water system. CO2 gas is odorless, non-toxic, and cheap, so CO2 is often chosen as the solute component in gas absorption experiments.
5. There is a liquid redistributor in the middle of the tower, and a grid-type packing support device at the bottom of the tower. There is a liquid sealing device at the bottom of the packed tower to avoid gas leakage.
6. The device design allows for 360-degree observation, enabling all-round teaching and experimentation.
7. 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 + host 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 normal operation of the equipment without safety accidents.
Device functions:
1. Determine the volumetric mass transfer coefficient of the packed absorption tower under different spray densities;
2. Determine the volumetric mass transfer coefficient of the saturated liquid of the packed desorption tower;
3. Change the absorption liquid flow rate to achieve single absorption experimental operation;
4. Saturation The liquid is used as the desorption liquid phase to realize single desorption experimental operation.
5. The liquid phase and gas phase flow rates of absorption and desorption are the same to realize joint experimental operation;
6. Real-time online analysis of experimental data is realized;
7. Experimental medium flow in pipelines and turbine flowmeters The status is clearly visible;
8. Full touch integrated control, highly stable data transmission, and hardware encryption.
Design parameters:
liquid phase volume mass transfer coefficient Kxa: 0.006-0.02 (m/s).
Air flow: 0.25～2.5m3/h.
Carbon dioxide flow: 0.01～0.16m3/h.
Pressure drop of packed tower: 0.6-1.5KPa; operates at normal temperature and pressure.
Utilities:
Water: The device comes with a transparent water tank and is connected to tap water. During the experiment, it enters the absorption tower through a centrifugal pump and is recycled.
Electricity: voltage AC220V, power 1.5KW, standard single-phase three-wire system. Each laboratory needs to be equipped with 1~2 grounding points (safety ground and signal ground).
Gas: Air comes from the fan (self-cont*ned gas source), and CO2 comes from the gas cylinder.
Experimental materials: water-CO2.
External equipment and medicines: carbon dioxide cylinder and pressure reducing valve; Ba(OH)2 standard solution, HCL standard solution, chemical analyzer. (Prepared by the user)
M*n equipment:
1. Glass packing tower: equipped with φ10×10mm ceramic Raschig ring packing; inner diameter of the packing tower D=100mm.
The effective height of the absorption tower packing layer is ≥800mm.
2. CO2 flow meter: The flow range of mass flow meter is 0.01~0.16m3/h.
3. Air flow: mass flow meter, flow range 0~12m3/h.
4. Liquid flow: turbine sensor , flow range 0.2~1 m3/h.
5. The pressure drop in the tower bed is measured by a 5KPa differential pressure sensor, and the pressure drop changes in the upper and lower towers are observed.
6. Vortex *r pump: power 750W, maximum flow 145m3/h, wind pressure 16kPa.
7. Desorption pump: 304 st*nless steel centrifugal pump, power 370W, flow rate 3.6m3/h.
8. Saturation pump: 304 st*nless steel booster pump, power 260W, flow ≥0.8m3/h.
9. Saturated water tank: ≥90 L, high-quality transparent organic glass.
10. Pipeline: transparent material, wall thickness ≥2.5mm.
11. Temperature sensor: Pt100, resolution 0.1℃, accuracy 0.5%, digital display.
12. Electrical appliances: contactors, switches, leakage protection *r switches.
13. Central processing unit: execution speed 0.64μs, memory capacity 16K, function: data processing operations.
14. Analog module: up to 16-bit resolution, sum accuracy ±0.5%, built-in RS485 communication mode.
15. Temperature module: resolution 0.1℃, accuracy 0.5%, built-in RS485 communication mode.
16. Use an all-in-one tablet touch computer to control the whole process with digital touch screen. HMI: Projected touch technology, 50 million touch points, 2G memory, function: central processor data display control.
17. Rated voltage: 220V, total power: 1.5kW.
18. Overall dimensions: 1800×550×2100mm (length×width×height), movable design, with brake wheels, high-quality aluminum alloy profile frame, no welding points, easy installation and disassembly, horizontally adjustable support casters
19 , Engineering identification: including equipment tags, pipeline flow direction arrows and logos, valve tags and other engineering equipment concepts supporting the concept, so that students can be in a safe experimental operating environment, learn to recognize engineering pipeline signs, and cultivate students' engineering skills idea.
20. Building and intelligent building electricalInstall virtual simulation software
based on unity3d design. Users can choose different interactive interface sizes according to computer configuration, and six image quality levels are optional. 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.
Software composition:
Analog module: up to 16-bit resolution, RS485 communication mode; function: temperature, flow, pressure difference and other analog signal acquisition. Equipped with a set of data acquisition software and a set of online industrial configuration software.
Carbon dioxide concentration detection module: Accurately detects the concentration of carbon dioxide absorbed by the device, with an accuracy error of ±3%.
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