Zhengzhou Protech Technology Co., Ltd
phone +86 18037178440
email info@lab-furnace.com
Zhengzhou Protech Technology Co., Ltd
about us
Home > Technical Articles >



Does the size of the atmosphere furnace have an impact on heat treatment?

Time:2024-07-04 13:49

As a common equipment in the heat treatment industry, atmosphere furnaces have great application space, and the size of the atmosphere furnace has a great impact on heat treatment, which is mainly reflected in the following aspects:

A commonly used box type atmosphere furnace (click on the image to view product details)
A commonly used box type atmosphere furnace (click on the image to view product details)

1. Uniformity of temperature distribution
Furnace size and temperature distribution: Furnace size is one of the important factors affecting the temperature distribution inside the atmosphere furnace. In an ideal situation, we hope that the temperature inside the furnace can be evenly distributed to ensure that the heat treated materials are uniformly heated, thereby achieving consistent product quality. However, in reality, the larger the furnace size, the more difficult it is to ensure the uniformity of temperature distribution. This is because a large-sized furnace means that more space needs to be heated, and the layout and power of heating elements are limited, making it difficult to achieve uniform heating throughout the entire furnace. In addition, an increase in furnace size may also lead to a longer heat transfer path within the furnace, resulting in lower temperatures in areas far from the heating elements.
Optimization measures: In order to achieve a more uniform temperature distribution, measures such as optimizing the layout of heating elements, using efficient insulation materials, and introducing a hot air circulation system can be taken. For example, by reasonably arranging the position and quantity of heating elements, it can ensure that all areas in the furnace can obtain sufficient heat; Choosing insulation materials with low thermal conductivity and high temperature resistance can reduce the loss of heat through the furnace wall; Introducing a hot air circulation system can accelerate the speed of heat transfer and make the temperature in various areas of the furnace more uniform; The use of multi sided heating can ensure a more uniform temperature across all heating surfaces.

2. Heat treatment effect and product quality
The size of the furnace is directly related to whether the product can be uniformly heated inside the furnace. If the furnace is too small, it may limit the placement of products and the effectiveness of heat treatment, leading to uneven heating of products and thus affecting product quality. On the contrary, if the furnace is too large, although it can accommodate more products, as mentioned earlier, the uniformity of temperature distribution will be affected, which may also lead to uneven heating of the products.
Personalized design: For products with different shapes, sizes, and heat treatment requirements, the furnace size of the atmosphere furnace needs to be personalized designed. For example, for large or irregular products, it is necessary to increase the furnace size accordingly to ensure that the products can enter and exit smoothly and receive heat evenly; For small or conventional products, the furnace size can be appropriately reduced to improve equipment compactness and thermal efficiency.

3. Equipment cost and production efficiency
Equipment cost: The size of the furnace directly affects the manufacturing cost of the atmosphere furnace. An excessively large furnace size not only increases equipment costs, but may also lead to increased heat loss and reduced thermal efficiency. Therefore, when designing an atmosphere furnace, it is necessary to comprehensively consider factors such as equipment cost, thermal efficiency, and production capacity, and choose a reasonable furnace size.
Production efficiency: The size of the furnace also affects the production efficiency of the atmosphere furnace. A too small furnace may limit the processing capacity of the product, leading to low production efficiency; Although an excessively large furnace can accommodate more products, it may also affect overall production efficiency due to uneven temperature distribution.

Customized furnace size atmosphere furnace (click on image to view product details)
Customized furnace size atmosphere furnace (click on image to view product details)


  • RTP Tube Furnace
  • PECVD system for graphene growth
  • Benchtop furnace
  • Trolley type electric furnace for sale

Leave A Message