聚氨酯保溫鋼管來做管道保溫原因
Polyurethane insulation steel pipe for insulation reasons
聚氨酯保溫鋼管外護管首要是選用聚乙烯出產(chǎn)而成，因而人們也習氣稱為聚乙烯外套管。
Polyurethane insulating steel pipe exterior protection pipe is mainly made of polyethylene, so people are also accustomed to call polyethylene exterior casing.
聚乙烯外套管選用高密度聚乙烯材料制成，具有極高的機械強度和優(yōu)良的耐腐蝕功能，可以維護管材在運送、裝置及運用過程中防止因外界因素而形成的損壞。制作外套管應增加抗氧劑、紫外線穩(wěn)定劑和炭黑等
Polyethylene outer sleeve is made of high density polyethylene material, which has high mechanical strength and excellent corrosion resistance. It can maintain the pipeline in transportation, installation and application process to prevent damage caused by external factors. The outer tube should be added with antioxidants, UV stabilizers and carbon black.
目前聚氨酯保溫鋼管首要作為保溫管道進行運用，首要有以下優(yōu)勢。
At present, polyurethane insulation pipes are mainly used as insulation pipes.
1.可以下降工程造價。據(jù)有關(guān)部門測算，雙控制供熱管道，一般情況下可以下降工程造價的25%（選用玻璃鋼做維護層）和10%（選用高密度聚乙烯做維護層）左右。
1., we can reduce the project cost. According to the calculation of relevant departments, the cost of double-control heating pipeline can generally be reduced by 25% (using FRP as maintenance layer) and 10% (using high density polyethylene as maintenance layer).
2.運用聚氨酯保溫鋼管，熱損耗低，節(jié)約能源。聚氨酯保溫鋼管比其它曩昔常用的管道保溫材料導熱系數(shù)低得多，保溫效果可以提高4-9倍。
2. use polyurethane heat preservation steel pipe, low heat loss and energy saving. The thermal conductivity of polyurethane insulating pipe is much lower than that of other commonly used pipe insulating materials in the past, and the thermal insulation effect can be increased by 4-9 times.
3.聚氨酯保溫鋼管防腐，絕緣功能好，運用壽命長。聚氨酯保溫鋼管因為聚氨酯硬質(zhì)泡沫保溫層嚴密地粘結(jié)在鋼管外皮，隔絕了空氣和水的進入，能起到杰出的防腐作用。
3. polyurethane thermal insulation steel pipe corrosion resistance, good insulation function, long service life. Polyurethane heat preservation steel pipes, because the rigid polyurethane foam insulation layer is tightly bonded to the outer skin of the steel pipe, can separate the air and water from entering, and can play an excellent anti-corrosive effect.
聚氨酯保溫鋼管的運用壽命可達50年以上，比傳統(tǒng)的地溝敷設(shè)、架空敷設(shè)運用壽命高3-4倍。終，也是重要的一點：運用聚氨酯保溫鋼管占地少，施工快，有利于環(huán)境維護。聚氨酯保溫鋼管直接埋入地下，因而大大減少了工程占地，可以縮短工期約50%以上。
The service life of polyurethane insulating steel pipe can reach more than 50 years, which is 3-4 times longer than that of traditional trench laying and overhead laying. Ultimately, but also the most important point: the use of polyurethane insulation steel pipe occupies less land, construction is fast, conducive to environmental maintenance. Polyurethane insulating steel pipe is directly buried underground, which greatly reduces the project area and shortens the construction period by more than 50%.
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