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Steam Jet Refrigeration Trainer

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Steam Jet Refrigeration Trainer Specification

Temperature Range
-10 C to +55 C Celsius (oC)

Automation Grade
Semi-Automatic

Model No

Core Components
Steam Nozzle, Condenser, Evaporator, Vacuum Pump

Voltage
230 V AC Volt (v)

Power Source
Electric

Frequency
50 Hz Hertz (HZ)

Feature
Highly Efficient

Accuracy
100 % %

Measurement Range
0 C to 100 C

Capacity
1 Ton Ton

Equipment Materials
Mild Steel (MS) Powder Coated

Type
Steam Jet Refrigeration Trainer

Usage
Laboratory

Display Type
Digital

Dimension (L*W*H)
1100 mm x 750 mm x 1800 mm Millimeter (mm)

Weight
60 kg Kilograms (kg)

About Steam Jet Refrigeration Trainer

Steam Jet Refrigeration Trainer

The Steam Jet Refrigeration System utilizes a steam ejector/eductor to create vacuum in the

evaporative glass container. Student is able to visualize the inside of the evaporator to gain more

understanding of the physics and thermodynamics properties of the cooling media. Two

refrigeration circuits are used in the system, the first circuit is a refrigeration cycle to produce

cooling effect and the second circuit (steam cycle) is generating motive steam.The trainer uses an

electric boiler system to create the steam cycle required to operate . The pressure of the steam

Generator Tank is controlled by pressure control circuit. By changing the motive gas pressure the

student is able to see the effect of changing motive gas pressure to eductor performance. Inlet,

and Outlet of the ports are connected to pressure gauges to monitor the pressure of each port. A

needle valve also provided to do variation on the suction volume which will influence the time

required to get such value of cooling effect. The refrigerant in the evaporator (flooded type)

absorbs the ambient heat or the heat form the load heater and evaporates. The final temperature of the evaporator depends on how much vacuum can

be created by the. A pump is used to transport the refrigerant from the condenser back to the steam generator. A water jacket tank with electric heater

heated the tank and change the refrigerant into steam which drives the. Pressure and temperature of various points are monitored and analyzed to get

the conclusion.

Objectives of Steam Jet Refrigeration Trainer

Understanding the basic principals and components of steam jet refrigeration system

Understanding Steam Jet Eductor Performance with Variable Primary motive Pressure.

Understanding performance of the refrigeration circuit and the performance under load effect.

Understanding Effect Of Varying Condenser Water Flow rate To The Evaporator Temperature

Energy balance and thermodynamic cycle in steam jet refrigeration.

Perform Evacuating and Charging Procedure for the system.

Hands-on Laboratory Experience

This trainer offers a practical platform for students and technicians to understand the functioning and components of steam jet refrigeration systems. By integrating digital sensors and LED-illuminated controls, it enables real-time data monitoring and safer operation, improving the learning experience.

Efficient Measurement and Control

Equipped with state-of-the-art instrumentation, including digital thermocouple sensors, a digital manometer, and flowmeter, the unit ensures precise measurement and easy troubleshooting. The control panel centralizes operations, making the trainer both user-friendly and efficient for laboratory use.

Robust Construction and Safety

Manufactured from powder-coated mild steel with a copper cooling coil, the trainer is designed for durability and long service life. Built-in overload protection, emergency stop, and an ergonomic panel ensure safe usage, while the system tolerates ambient temperatures up to 50C.

FAQs of Steam Jet Refrigeration Trainer:

Q: How is installation and operation of the Steam Jet Refrigeration Trainer carried out in a laboratory?

A: Installation is straightforward, requiring only a standard single-phase power connection. The equipment is designed for easy setup and user-friendly operation, with integrated controls and digital displays for monitoring and adjustment.

Q: What benefits does the 8-channel digital thermocouple system provide for users?

A: The 8-channel digital thermocouple system allows simultaneous monitoring of multiple temperature points throughout the refrigeration cycle. This enables accurate data collection, analysis, and enhanced understanding of system dynamics.

Q: When should overload protection and emergency stop features be used?

A: Overload protection activates automatically if the system detects excessive electrical load, safeguarding equipment integrity. The emergency stop button allows users to halt operation instantly in case of any unusual situations or emergencies, ensuring user and equipment safety.

Q: Where can this trainer be utilized most effectively?

A: This unit is ideal for use in engineering colleges, technical institutions, and research laboratories in India where hands-on learning about refrigeration cycles is required. Its portability and robust design also make it suitable for training workshops and seminars.

Q: What is the process for collecting and analyzing performance data using this trainer?

A: Performance data is gathered through the integrated digital sensors and can be interfaced with data acquisition systems for further analysis. The supplied training manual outlines step-by-step procedures for recording and interpreting measurements.

Q: How does the trainer ensure accurate and efficient cooling performance?

A: The system employs a copper coil for effective heat exchange, a precision-built steam generator, and reliable digital controls, providing 100% accuracy in measurement and stable cooling with a capacity of 1 ton.

Q: What are the key usage and maintenance guidelines for long-term reliability?

A: Regularly check for proper functioning of sensors, keep the control panel clean, and ensure that the overload and emergency stop features are operational. Periodic preventive maintenance, as detailed in the manual, extends equipment life and maintains optimal accuracy.

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