Shell and Tube Type Cool Oil Heater

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

One. Usage and Features∶

（1Usage

Turbines, fans, coal mills, pumps, and marine propulsion systems in industrial and mining enterprises all require oil coolers for the lubrication of large and medium-sized machinery. Building upon the strengths of similar products, our company has conducted extensive experiments 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

Tubular cool oil cooler operates with the characteristic that oil flows through the shell side and water through the tube side. The heat transfer coefficient on the oil side outside the tube is that of the tube side heat transfer coefficient.120-10The heat resistance is mainly on the oil side. This equipment replaces the traditional arch baffles with swirl guide vanes, with the primary principle being that the cooling oil, after entering the shell of the cooler through the oil pump, is guided to rotate by the swirl guide vanes. As it rotates, the oil cleanses the tube circumference. The structural parameters of the tube have been optimized through multiple comparative tests, resulting in excellent performance and safety for use, making it an ideal auxiliary equipment for steam turbine units.

（3Product Features

Pipe-type oil coolers have the following advantages compared to other types of oil coolers:∶

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

2.Compact structure∶Its compactness is comparable to plate heat exchangers.1-2Multiple;

3.Low oil resistance due to the use of swirl guide plates, with oil entering as tangential flow, which is beneficial for fluid operation.

4.Long service life, easy installation and maintenance∶The heat exchange tubes have minimal thermal expansion stress, hence there is no common issue of tube expansion and leakage. They still feature a tube and shell structure, making installation and maintenance convenient.

Section II: Product Series Performance and Technical Specifications

Condensing Steam Turbine Air Cooled Oil Cooler Performance and Specifications

Section 3: Product Dimensions∶

Section 4: Product Selection∶

1Product End Users

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

2Product Model Patterns....

3Selection Guidelines

A wide variety of turbine models 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. If customers have special usage requirements, please contact our company. V. Installation of the cold oil cooler∶

1Preparation before installation

Coolant exchanger is pre-tested before shipment.0.6mpaHydrostatic test required. 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.∶“Cold ink side should be subjected to working pressure1.5Multiple water pressure tests, maintain5Zero leakage for minutes.

2Coolant Chiller Installation∶

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

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