Construction method for heating power water feeding system with PPR polyurethane foaming heat preservation pipe

Abstract

The invention relates to the field of water feeding systems and discloses a construction method for a heating power water feeding system with a PPR polyurethane foaming heat preservation pipe. The method comprises the following steps of (a) designing a construction drawing; (b) prefabricating the pipe; (c) arranging a pipe support in advance; (d) mounting the pipe; (e) performing pressure testingon the pipe; (f) washing the pipe; (g) sweeping and blowing the pipe; (h) performing foaming of a pipe fitting. According to the construction method, a polyurethane heat preservation layer is of a full-hole-closed foaming structure and is low in heat conductivity coefficient, good in heat preservation performance and low in thermal loss, the energy is saved, a PVC outer pipe is used as an outer protection shell and is good in waterproof performance, and the whole thermal loss of the hot water pipe is greatly reduced. The pipe is good in anti-corrosion and insulation performance and long in service life. The construction method is simple, the heat preservation pipe is convenient to install, cut and weld, operation is easily and quickly performed, and the work time is shortened. The materialcost and mounting cost are low.

Description

technical field [0001] The invention relates to the field of water supply systems, in particular to a construction method for a thermal water supply system of a PPR polyurethane foam insulation pipe. Background technique [0002] In hospitals, hotels and other places that require uninterrupted hot water supply, the thermal insulation capacity of the pipes of the thermal water supply system is very important. The thermal insulation performance of the pipes directly affects the heating efficiency and cost of the thermal water supply system. At present, most places that require uninterrupted hot water supply still use stainless steel pipes + thermal insulation cotton as the pipe network of the thermal water supply system. The pipe network of this system has poor thermal insulation effect, which causes the hot water to lose a lot of heat during the heating process. , The heating efficiency is low, the energy loss is large, which is not conducive to energy conservation and enviro...

AI Technical Summary

Problems solved by technology

At present, most places that require uninterrupted hot water supply still use stainless steel pipes + thermal insulation cotton as the pipe network of the thermal water supply system. The pipe network of this system has poor heat preservation effect, which causes the hot water to lose a lot of heat during the heating process. , low heating efficiency, large energy loss, which is not conducive to energy conservation and environmental protection, and the construction cost of stainless steel pipe + insulation cotton is relatively high, the construction process of stainless steel pipe is complicated, there are problems such as welding defects and rust defects, and subsequent maintenance costs are high

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