A plate heat exchanger is a type of heat exchanger that uses metal plates to transfer heat. This type of heat exchanger is an improvement over a conventional heat exchanger because it exposes fluids to a larger surface area. As a result, it is more efficient and has a lower initial cost.
Plate heat exchangers are the most efficient types of heat exchangers. They use a series of corrugated metal plates that transfer heat between two opposing fluids in a countercurrent flow arrangement. Typically, each plate is equipped with a double sealing system to prevent fluid from leaking between the two channels. Depending on the application, the seals used can include laser welds or elastomer gaskets.
The design of a plate heat exchanger limits the cost of materials and labor. Its stacked-plate design minimizes labor and equipment requirements, and its compact design enables minor components to be replaced without replacing the entire unit. Its unique design also provides optimum performance. In addition, the plates are designed to recover and transfer heat from one section of the system to another, enabling the process to run efficiently.
A small size plate heat exchanger is made from two or more metal plates. The plates are generally made of stainless steel or titanium. There are various types of these exchangers, including brazed, welded, and semi-welded. These exchangers can be used for boiler applications, biodiesel cooling, beer wort chilling, and SVO conversions.
These exchangers come in many different sizes and shapes. By studying the details of the product, buyers can select the most appropriate size and shape for their project. They should consider the type of heat transfer required, the orientation of the inlet and outlet, and the heat transfer coefficient. These factors will determine how many plates are needed, what materials should be used, and how they will be installed.
A plate heat exchanger can have a surface area of a few square centimeters to two or three square meters. They can contain a few hundred plates or thousands of plates. The fluid flowing through the plates is separated into several parallel streams. This ensures that unwanted materials will not get deposited.
Cleaning your plate heat exchanger is easy - you just need to follow a few simple steps. First, you should isolate your plate heat exchanger from your system. After this, you can begin by flushing the canals on the plate with clean water. Make sure to apply the water in the opposite direction of the fluid flow. Continue this process until the water runs clear. If you notice any buildup, you can use a PHE compatible cleaning agent to remove it.
You should never use hydrochloric acid to clean a plate heat exchanger. Hydrochloric acid is very strong and can damage the plates, reducing the service life. A better cleaning liquid is formic acid, which can also be combined with a buffering agent and a surfactant. These compounds help reduce corrosion and effectively remove the scale attached to the plates.
Products are widely used in central air-conditioning unit evaporator and condenser, economizer, heat pump, district heating boiler, metallurgical chemical power industry heat recovery, cooler, cold and dry machines.