Oval Tube Finned Tube Heat Exchanger for Pulp Mill Paper Mill

Oval Tube Finned Tube Heat Exchanger for Pulp Mill Paper Mill

Oval tube finned tube heat exchangers are widely used in pulp and paper mills. They are mainly used in heat exchange processes to improve energy efficiency and reduce production costs. 

The following are the detailed applications of elliptical tube finned tube heat exchangers in the pulp and paper industry and their advantages:

Application Scenarios

Black liquor evaporation system:

In the pulp production process, black liquor is a by-product of mixing lignin and chemicals from wood. In order to recover the chemicals and energy, the black liquor needs to go through an evaporation and concentration process. Elliptical tube finned tube heat exchangers can effectively transfer the heat from the steam to the black liquor to increase its concentration.

Pulp washing and bleaching:

In the process of pulp washing and bleaching, a large amount of hot water and steam is required. The elliptical tube finned tube heat exchanger can recover the waste heat and use it to heat fresh water or other process water, thus saving energy.

Paper machine drying section:

After paper is formed on a paper machine, moisture needs to be removed through a drying process. The drying section usually uses steam to heat the air. Elliptical tube finned tube heat exchangers can improve the efficiency of steam utilisation and reduce energy consumption.

Waste Heat Recovery Systems:

Pulp and paper mills generate a large amount of waste heat during the production process. By installing elliptical tube and finned tube heat exchangers, this waste heat can be recovered and used to preheat feed water or other processes that require heat energy.

Advantages

Highly efficient heat transfer:

The special design of elliptical tubes provides a larger surface area in contact with the fluid, increasing heat transfer efficiency. The fins further expand the heat transfer surface area, increasing heat transfer effectiveness.

High dirt resistance:

The shape of the elliptical tube allows for a smoother flow of fluid through the tube, reducing the accumulation of deposits and decreasing the frequency of cleaning and maintenance.

Compact structure:

Elliptical tube finned tube heat exchangers offer high efficiency heat transfer performance while being smaller in size and taking up less space, making them easy to install and integrate into existing systems.

Corrosion Resistant:

Manufactured using high quality materials, elliptical tube finned tube heat exchangers have good corrosion resistance and are suitable for the corrosive environments present in pulp and paper mills.

Long life and reliability:

Due to their superior design and materials, elliptical tube finned tube heat exchangers provide good performance and long life in high temperature and high pressure environments, reducing replacement and maintenance costs.