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随着我国经济建设的发展和综合国力的不断提高,我国城市集中供热事业也得到了飞速的发展,集中供热工程中各种新技术、新材料的应用也在不断推广,热网工程是集中供热工程的重要组成部分,其投资约占总投资的30%～40%,影响面较大,因此选择热网敷设方式是影响供热工程的重要因素,预制保温管直埋技术的应用以其投资低,施工周期短,占地少等优点逐步在供热工程中得到应用。
With the development of our country’s economic construction and the continuous improvement of overall national strength, the centralized heating in urban areas of our country has also been rapidly developed. The application of various new technologies and new materials in central heating projects is also being popularized. Central heating project is an important part of the investment of about 30% to 40% of the total investment, the impact of the larger, so the choice of heating network laying method is an important factor affecting the heating project, prefabricated insulation pipe buried technology applications With its low investment, short construction period, less land and other advantages gradually applied in the heating project.