Pipe Type Oil Cooler Utility Model Patent∶ZL 2014 2 0456485.0

Please provide the Chinese content you would like translated into American English.. Usage and Features∶

（1Usage

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

（2Product Structure and Working Principle

The tubular cooler features a flow operation where oil runs through the shell side and water runs through the tube side. The heat transfer coefficient on the oil side outside the tube is that of the inside tube side heat transfer coefficient.120-10The thermal resistance is mainly on the oil side. This equipment replaces the traditional arch baffles with swirl guide vanes, with the main principle being that the cooled oil, after being pumped into the shell of the cool oil cooler, is guided to rotate by the swirl guide vanes. As it rotates, the oil washes along the circumference of the tubes. The structural parameters of the tubes are the result of optimized selection through multiple comparative tests, offering excellent performance and safety for use. It is 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 heat transfer efficiency is a key feature of the plate-type cooler.2-3Multiple

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

3.Low oil resistance due to the use of swirl baffles, with oil entering in a tangential flow, which is conducive to fluid operation.

4.Long service life, easy installation and maintenance∶The heat exchange tubes have minimal thermal expansion stress, thus avoiding common issues like cracking and leakage. Additionally, they maintain the tube-shell structure for easy installation and maintenance.

Section II: Product Series Performance and Technical Specifications

Condensing Turbine Cold Oil Cooler Performance, Specifications

Section 3: Product Dimensions∶

Section 4: Product Selection∶

1Target Users for Products

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

2Product Model Patterns....

3Selection Guidelines

A wide variety of turbine types are designed by domestic and international turbine manufacturers. Based on extensive data collection, our company has compiled various ordering and selection schemes for turbine oil coolers, as shown in the table. If users have special requirements, please contact our company. V. Installation of the oil cooler∶

1Preparation before installation

Coolant Cooler, pre-delivery inspection0.6mpaHydrostatic test required. However, prior to installation, the provisions of the "Technical Specifications for Construction and Acceptance of Electric Power Projects (Turbine Generator Set Volume)" should be followed.∶“Cold ink side should be worked under pressure1.5Triple water pressure test maintained5Zero leakage for minutes.

2Coolant Cooler 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 arched baffle to a swirl guide, the cold oil cooler's oil inlet direction is clockwise. Do not install it in reverse.