Radiation tube is widely used in heating furnace and is the main heating element of heating furnace. There are two main types of radiation tubes: gas radiation tubes and electric heating radiation tubes. The thermal efficiency of gas radiant tube is about twice as high as that of electric radiant tube. Therefore, gas radiant tube is the future development trend of radiant tube. Under the condition of modern market economy, the competition of radiation tube enterprises is more and more fierce. However, technical innovation is very difficult. In order to reduce the r&d cost of radiation tubes, enterprise r&d personnel should accurately predict the development trend of products and adopt theoretical methods and tools to realize product innovation and rapid design. Innovation practice under the guidance of innovation theory will get twice the result with half the effort.

The development of products and their technologies always follow certain objective laws, and the same law is often applied repeatedly in different product technology fields, that is, the product improvement in any field, the process of technological change is regular to follow, the creation and upgrading of all technologies are towards the most powerful function. TRIZ technology evolution theory is specialized in the study of technology system evolution. It has gone through three stages of traditional TRIZ evolution theory, TRIZ evolution theory development and direct evolution theory, including technology evolution theory (ET), technology evolution guidance theory (GTE) and direct evolution theory (DE). TRIZ technology evolution theory is specialized in the evolution of technical systems. Technology evolution theory reflects the important, stable and repetitive interactions between technical systems, components, systems and environment during the evolution process.

By using the technology evolution theory of TRIZ, this paper analyzes the evolution process of each major performance of radiation tube, summarizes and summarizes its evolution route, and predicts its future development direction on this basis, providing reference for the innovation and development of related products of enterprises.