Tube heat transfer coefficient measurement training device

1. The entire device is beautiful and generous, the structure is reasonable, the overall sense is strong, and has a strong engineering atmosphere, which can fully reflect the concept of modern laboratories.

2. The equipment is a self -propelled frame structure, and the feet are installed to facilitate the disassembly m--ntenance and handling of the system.

3. This device is selected to use ordinary heat exchangers and column tube heat exchanges to compare the effects of two types of heat exchanges.

4. Double -water pump owner and sideline design, fresh water supplement and waste heat water circulating design, switching the heating process in the countercurrent and flowing heat, and closer to the actual application of industrial applications.

5. Multiple sets of heating pipe preheating systems, fast and uniform heating speed, adjustment of the preheating voltage, platinum thermal resistance+thyristor+heating pipe as the m--n control method for thermal temperature.

6. The hot and cold water tanks are covered with coverage, and are equipped with a high level of display device to observe water level changes and have the function of upper and lower water; the water level of the cold water tank can be automatically controlled.

7. Device design can be observed at 360 degrees to achieve comprehensive teaching and experiments.

Device function

1. Master the measurement method of the heating coefficient of the tube, deepen the understanding of its concepts and influencing factors, apply a linear regression method, and determine the value of the constant A and M in the association.

2. Master the measurement method of the heating coefficient KO of the column.

3. Integrated control, high -stable data transmission, hardware encryption.

Basic configuration liquid flow: 0.16-1.6 m3/h, temperature: room temperature -60 ° C, normal pressure operation.

Renault standard RE: 104-5*104, Nunsell Prices NU: 40-120, Prove Prices PR: 0.7.

For the circulation of heat coefficient αi: 500-1500 w/m2 · ℃.

I. Overview

 

Modern factories (especially large enterprises) have a large power supply density, complicated power supply methods, high reliability requirements, and strict power quality requirements. It is also required to consider higher flexibility to meet the need to increase power supply load and upgrade the power supply network. In response to this situation, integrating comprehensive automation technology into the factory power supply system has become an inevitable trend and development direction.

"Factory Power Supply Comprehensive Automation Tr--ning System" is based on higher vocational colleges, "Factory Electric and Power Supply", "Electrical Equipment and Operation and M--ntenance", "Power Supply and Power Supply Technology", "Power Supply Network Relay Protection", "Distribution The tr--ning and teaching requirements of courses such as power system automation and power distribution network automation technology, combined with the actual application and development of the factory power supply system and the comprehensive tr--ning system designed.

 

Two and characteristic

 

Comprehensiveness: clearly reflect the first and second parts of the typical factory power supply system, and comprehensively use electrical equipment that is used in various factory power supply. It can realize the tr--ning requirements for practical skills such as electricity, transportation, allocation, control, and protection of the power supply system;

Advancedness: Comprehensive microcomputers such as comprehensive microcomputer relay protection, electricity measurement, PLC, and industrial control configuration, etc., use layered distributed control methods to form comprehensive automation experiments that integrate control, protection, measurement, and signals. platform;

Practical: The system structure is clear, flexible operation, and reliable operation.