TH-3111 Heat Exchanger Service Unit Infinit Technologies

The technique of heating and cooling of system is one of the most basic areas of mechanical engineering. The unit Multiple Heat Exchanger enables the students to study two or more heat exchangers like shell and tube, concentric tube and plate under different flow conditions that is counter & parallel flow conditions. The unit consists of instruments for monitoring and control, multi heat exchanger & a hot water tank with a transfer pump. Outside water supply is used for unit.

Heat exchanger transfer thermal energy from the flow of one medium to another. The two flows do not come into direct contact with one another. Efficient heat transfer is a prerequisite for economical processes. Therefore, different heat exchanger types are used in practice depending on the requirements. This experimental unit can be used to investigate and compare different heat exchanger designs. The complete experimental setup consists of two main elements:

Heat Exchanger Service Unit as control unit and choice of heat exchanger (required):

  • Plate Type Heat Exchanger TH-3111A (optional)
  • Concentric Tube Heat Exchanger TH-3111B (optional)
  • Shell and Tube Heat Exchanger TH-3111C (optional)
  • Jacketed Vessel with Stirrer and Coil TH-3111D (optional)

Water is used as the medium the heat exchanger to be investigated is connected to the service unit. The hot water flows through the heat exchanger. Part of the thermal energy of the hot water is transferred to the cold water. Reversing the water connections changes the direction of flow and thus allows parallel flow or counter flow operation.

The main function of the Heat Exchanger Service Unit is to provide the required cold and hot water circuits. To do this, the service unit is equipped with a heated tank and pump for the hot water circuit, connections for the cold water circuit and a switch cabinet with displays and controls. A temperature controller controls the hot water temperature. The flow in the hot water and cold water circuit is adjusted using valves.

The cold water circuit can be fed from the laboratory mains or the Option Chilling Unit. The measured values can be read on digital displays. At the same time, the measured values can also be transmitted directly to a PC via USB/Ethernet. In experiments, the typical characteristic value determined are the mean heat transfer coefficients.

Software TH-3111SW (optional)
DAQ software specially designed in National Instrument™, LABVIEW™ environment to measure and calculate the results of apparatus. The software is optional and while using software a set of electronic sensors are included. Software can be run with any Windows™ environment.

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Specifications

  • Heat Exchanger Service unit is used to provide the service form any kinds of heat Exchanger.
  • This unit consist of many function some of them are describe here:
  • Heating the water for Hot water to the heat exchanger.
  • Pumping of hot & water variable flow rate pump.
  • Cold and hot water measurement using the Flow meter and displaying and providing data to the Computer if DAQ based unit is ordered.
  • Anodized aluminum structure and panel in Insulated HDF Wood.
  • All the water contact parts are made of PVC, Brass, Copper or Stain less steel.
  • Diagram in the front panel with similar distribution to the elements in the real unit with the high quality Laser Engraved for long life use.
  • Stainless steel tank, equipped with:
  • Electric heating resistance (6000W) with thermostat (70 oC) & Digital Temperature
  • Regulator (PID), to heat the water.
  • Temperature sensor type “K” to measure the water temperature.
  • Level switches to control the water level of the tank and avoid to run the heater without the water.
  • Stainless steel cover to avoid the contact with the hot water.
  • Draining water valve.
  • Centrifugal pump. Range: 0 – 29 liter/min.
  • 2 Flow meters, one for hot water and the other for cold water. Range: 1 to 7 liter/min.
  • Control valve for the cold water.
  • Regulation pressure valve to avoid the introduction of too much pressure in the exchanger, tared at 0.6 bar.
  • 4 flexible tubes to connect with the different exchanger.
  • Cables and accessories, for normal operation.

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