dyhgyl-07 constant pressure filtering practical training device
Release time：2024-06-08 22:00viewed：times
Features of the device
1. The entire device is beautiful and elegant, with reasonable structural design, strong sense of integrity, and a strong sense of engineering, 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. This experimental device is a small industrial st*nless steel plate and frame filter composed of a filter plate and a filter frame. It can completely reflect the structure and operation process of the plate and frame filter press. It adopts pneumatic batching, pneumatic stirring and pressurizing technology. Air injects materials into the filter, with a strong engineering concept.
5. The filter plate adopts a flat threaded mesh shape with advanced structure and is easy to clean, which can effectively extend the service life of various filter membranes.
6. All sealing parts of the product are made of silicone rubber or fluorine rubber (acid and alkali resistant) sealing rings, which are high temperature resistant, corrosion resistant, non-toxic and leak-free. The equipment adopts mechanical compression method and has good sealing performance.
7. The device design allows for 360-degree observation, enabling all-round teaching and experimentation.
6. The entire system adopts standard industrial instrument control system, which can carry out experiments on chemical engineering principles . It is also a good platform for process automation and chemical testing instrument experiments.
Device functions
: Understand the structure, plate and frame arrangement sequence and operation of the washable underflow plate and frame filter;
2. Determine the constant pressure filtration constant and specific resistance under cert*n conditions;
3. Determine the compression index of the filter cake under different pressures;
4. Learn the washing rate measurement method and operation;
5. The flow status of the experimental medium in the pipeline is clearly visible throughout the process.
6. Full-touch integrated control, highly stable data transmission, and hardware encryption.
Design parameters
Plate and frame: filter area 0.0245m2.
Filtration pressure: 0~0.2MPa.
Filtration constant K: 1.0×10-4-5.0×10-4m3/m2, qe: 0.1-0.5, θe: 100-400
Compressibility index s: 0.1-0.3, physical property constant k: 1.0×10-9--3.5 ×10-9Temperature
: 0--50℃.
Utilities
Water: The device comes with a 304 st*nless steel water tank and is connected to tap water. During the experiment, it enters the filter through a high-pressure pump and is recycled.
Electricity: voltage AC220V, power 1KW, standard single-phase three-wire system. Each laboratory needs to be equipped with 1~2 grounding points (safety ground and signal ground).
Experimental materials: solid CaCO3, external equipment: stopwatch.
M*n equipment
1. 304 sanitary st*nless steel frame: 4 frames in total, 2 washing plates, 3 non-washing plates, 800 mesh industrial filter cloth.
2. 304 sanitary st*nless steel slurry tank: φ400×600mm, motor mixing slurry.
3. Speed regulating motor: voltage AC220V, power 90W, stirrer speed: 0-200r/min.
4. 304 sanitary st*nless steel washing tank: φ159×500mm, horizontal storage tank.
5. The filtrate volume adopts an automatic measuring device with a weighing sensor . In a set of experiments, the filtrate volume data can be automatically sampled and measured, or measured through a measuring tank. The measuring tank is made of organic glass, volume: about 15L, equipped with a graduated tube. Top with lid.
6. Pressure sensor, measurement range: 0-0.4MPa, accuracy level 0.5, 4-20mA remote transmission output.
7. Temperature sensor: Pt100, resolution 0.1℃, accuracy 0.5%.
8. 304 st*nless steel centrifugal pump: power 750W, maximum flow 7.2m3/h.
9. Electrical appliances: contactors, switches, leakage protection *r switches.
10. Pipeline: transparent UPVC material, wall thickness 2.5mm, pressure resistance ≥0.3MPa.
11. Valves: UPVC ball valve and UPVC ball valve, pressure resistance ≥0.6MPa.
12. Central processing unit: execution speed 0.64μs, memory capacity 16K, function: data processing operations.
13. Analog module: up to 16-bit resolution, sum accuracy ±0.5%, built-in RS485 communication mode.
14. Temperature module: resolution 0.1℃, accuracy 0.5%, built-in RS485 communication mode.
15. Using an all-in-one tablet touch computer, the entire process is controlled by a digital touch screen. HMI: Projected touch technology, 50 million touch points, 2G memory, function: central processor data display control.
16. Rated voltage: 220V, total power: 1.0KW.
17. Dimensions: 1800×550×1700mm (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.
18. Engineering signs: including equipment tags, pipeline flow direction arrows and logos, valve tag numbers and other 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.
19. 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.
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