Tube-Type Cool Oil Unit Utility Model Patent∶ZL 2014 2 0456485.0

One. Usage and Features∶

（1Usage

Turbines, fans, coal millers, pumps, and marine propulsion systems in industrial and mining enterprises all rely on oil coolers for the lubrication of large and medium-sized mechanical equipment. Building upon the advantages of similar products, our company has conducted extensive experiments focusing on the vibration of the oil-side laminar flow in heat exchange tubes, successfully developing a new type of tubular oil cooler.

（2Product Structure and Working Principle

The tubular oil cooler operates with the characteristic that oil flows through the shell side and water flows through the tube side. The heat transfer coefficient on the oil side outside the tube is [insert coefficient here] times that of the inside tube.120-10The thermal resistance is primarily on the oil side. This equipment replaces the traditional curved baffle with a swirl guide plate, with the main principle being that the cooling oil, after entering the cold oil cooler housing through the oil pump, is directed to rotate forward by the swirl guide plate. As it rotates, the oil washes along the circumference of the tubes. The structural parameters of the tube are the result of optimized selection through multiple comparative tests, offering excellent performance and safety, making it an ideal auxiliary equipment for steam turbine units.

（3Product Features

Tubular cool oilers have the following advantages compared to other types of cool oilers:∶

1. High thermal efficiency is a feature of the plate-type cooler.2-3Multiple

2.Tightly structured∶Its compactness is comparable to plate heat exchangers.1-2Multiple;

3.Low oil resistance due to the use of swirling baffles, where oil enters in a tangential flow, beneficial for fluid operation

4.Long service life, easy installation and maintenance∶The heat exchange tube has minimal thermal expansion stress, thus there is no common issue of tube expansion and leakage. It still maintains a tube and shell structure for easy installation and maintenance.

Part Two: Product Series Performance and Technical Specifications

Condensing Turbine Cold Oil Cooler Performance and Specifications

Section 3: Product Dimensions∶

Section 4: Product Selection∶

1Target Users of the Product

This product series is specifically designed for condensing steam turbines in thermal power plants and various heating steam turbines. It is also suitable for the lubrication and cooling of power oils in industrial and mining enterprises, such as boiler feed pumps, coal mills, and exhaust fans for blowers.

2Product Model Patterns....

3Selection Guidelines

A wide variety of turbine types are designed by domestic and international turbine manufacturers. Based on extensive information collection, our company has compiled various cold oil cooler ordering and selection schemes, as shown in the table. Please contact our company if you have special usage requirements. V. Installation of the cold oil cooler∶

1Preparation before installation

Pre-manufactured chillers undergo0.6mpaWater pressure test. However, prior to installation, the provisions of the "Technical Code for Construction and Acceptance of Electric Power Projects (Turbine Generator Set Chapter)" should be followed.∶“Cool oil side should be at working pressure1.5Double the hydrostatic test pressure, maintain5No leakage for minutes.

2Coolant Chiller Installation∶

（1The cooler is supported on pre-prepared brackets and can reliably meet its dynamic and static load requirements.

（2Due to the change from an arch-shaped baffle to a swirl guide plate on the support, the cold oil cooler's oil inlet direction is clockwise. Do not install it in reverse.