DYHGGY-25 Ethylbenzene Dehydrogenation to Styrene Training Platform
Release time：2024-06-16 04:00viewed：times
Device features:
1. The device consists of a reaction system and a control system: the st*nless steel tubular reactor has good sealing performance; the heating furnace adopts a three-stage heating temperature control method, and the temperature control is flexible. The constant temperature zone is wide, and high-precision intelligent instruments are used to measure and control the temperature; the whole machine process is reasonably designed, the equipment is compactly installed, the operation is convenient, the performance is stable, and the reproducibility is good.
2. The device uses ethylbenzene as raw material, and the iron oxide catalyst (Fe2O3-CuO-K2O-Cr2O-CeO2) catalyzes the dehydrogenation reaction; the catalyst is easy to load and the operation is simple.
3. The device can tr*n students' ability to operate a stable reaction system, and the practical operation ability of evaluating the activity of the catalyst, decoking and regeneration after deactivation by steam activation.
Device functions:
1. Understand the process of preparing styrene in a fixed bed reactor with ethylbenzene as raw material and iron oxide catalyst.
2. Learn how to stabilize the process operating conditions.
3. Master the process flow and process operation of this experiment.
4. Full touch integrated control, high-stability data transmission, hardware encryption.
M*n configuration:
peristaltic pump, mass flow meter, mixer, vaporizer, reactor, gas-liquid separator, condenser, pressure gauge, wet gas flow meter, valve, experimental pipeline, temperature sensor , central processing unit, touch screen, high-quality aluminum alloy profile frame.
Utilities:
Water: The device needs cooling water and comes with an interface connected to the tap water pipe.
Electricity: Voltage AC380V, power 4.0KW, standard three-phase four-wire system. Each laboratory needs to be equipped with 1 to 2 grounding points (safety ground and signal ground).
Experimental materials: ethylbenzene, distilled water.
Technical parameters:
1. Vaporization temperature 400℃, dehydrogenation reaction temperature 540~640℃, water: ethylbenzene = 1.5:1 (volume ratio) 30ml iron oxide catalyst.
2. Tubular fixed bed reactor: φ20×550mm, 316L st*nless steel; thermocouple sleeve, φ3mm, with Φ1mm thermocouple inserted; catalyst loading: 5-30mL; maximum operating pressure, 0.2MPa.
3. Reactor heating furnace: ф280×550mm, open type, heating power (three-stage heating) 1KW each, heating form: silicon carbide furnace tube + metal lining. The inner layer is an insulation layer, and the outer layer is a mesh protective layer. The maximum operating temperature is 900℃.
4. 1-way gas pipeline, gas mass flow controller controls gas flow, flow specification: 200ml/min, N2 calibration, accuracy: ±1%FS.
5. Preheater: st*nless steel, inner diameter φ10mm, length 250mm, with anti-return mixing and anti-channel flow devices inside; operating temperature: room temperature-400℃, operating pressure: normal pressure.
6. Feeding tank: volume 1000ml, material: quartz glass, quantity 2;
7. Liquid mixer: 50 ml, material: 316L sanitary st*nless steel, quantity 1.
8. Product condenser: 316 sanitary st*nless steel, Φ76×200mm (316L inner coil).
9. Gas-liquid separator: 500mL, 316L sanitary st*nless steel.
10. Liquid pump: peristaltic pump, speed range 0.1～50rpm, flow rate: 0.2-10ml/min, 4～20mA remote output control, quantity 2.
11. Wet gas flowmeter: rated flow: 0.2m3/h, volume: 2L, accuracy: ±1%.
12. St*nless steel shockproof pointer pressure gauge 0-0.25MPa, quantity 2.
13. Temperature sensor: K thermocouple, display division 0.1℃.
14. Pipeline valve: 316L st*nless steel precision sleeve and valve.
15. Energy-saving and environmentally friendly condensation system: temperature range -10～20℃, volume 5L, temperature control accuracy ±0.5℃.
16. CPU: execution speed 0.64μs, memory capacity 16K, built-in Ethernet supports Modbus TCP and Ethernet/IP communication protocols; function: data processing operation.
17. Analog module: up to 16-bit resolution, total accuracy ±0.5%, built-in RS485 communication mode.
18. Temperature module: resolution 0.1℃, accuracy 0.5%, built-in RS485 communication mode.
19. Adopt all-in-one tablet touch computer, full digital touch screen control operation. HMI: projection touch technology, 50 million touch points, memory 4G, function: CPU data display control.
20. Rated voltage: 380V, total power: 3.5kW.
21. Dimensions: 1500×550×1800mm (length×width×height), movable design, with brake wheels, high-quality aluminum alloy profile frame, no welding points, easy installation and disassembly, horizontal adjustment support casters.
22. Engineering identification: including equipment position number, pipeline flow arrow and identification, valve position number and other engineering equipment concept matching, so that students are in a safe experimental operation environment, learn engineering pipeline identification recognition, and cultivate students' engineering concept. 23. Equipped with
a set of data acquisition software and a set of online industrial configuration software.
24. Virtual simulation software for electrical installation of building buildings and intelligent buildings Based on unity3d design, users can choose different interactive interface sizes 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 incorrect choices), and schematic diagrams (you can enter the equipment from the schematic diagram). The equipment includes: sprinklers, water flow indicators, signal butterfly valves, exhaust valves, fire alarm controls, high-pressure gauges, high-level water tanks, Wia control cabinets, pressure-stabilizing tanks, flow switches, terminal water testing devices, dr*nage facilities, water pump connectors, hydraulic alarms, time delays, wet alarms, butterfly valves, check valves, fire pumps, safety pressure-stabilizing valves, and fire water tanks.
3. Principle display: Displays the working principle of the wet alarm system, 3D animation demonstrations, and semi-transparent 3D models, so you can see the internal water flow. Equipped with practice module (built-in 4 multiple-choice questions, with 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 will be displayed after submission
B. Gas fire extinguishing system
1. System overview: Overview of gas fire extinguishing system
2. Equipment recognition: It is equipped with the best viewing angle, equipment det*ls (displaying the introduction or parameters of the equipment), practice (built-in 8 multiple-choice questions, with prompts for correct and wrong choices), schematic diagram (you can enter the equipment from the schematic diagram). The equipment includes: nozzle, HFC-227 storage bottle, bottle head valve, heptafluoropropane check valve, high-pressure hose, gas check valve, safety valve, weighing alarm, electromagnetic starter, selection valve, smoke alarm, fire alarm controller.
3. Principle display: Display 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 (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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