聚氨酯發(fā)泡保溫鋼管的保溫性能好，熱損失僅為傳統(tǒng)管材的25%，長期運行可節(jié)約大量能源，顯著降低能源成本.
The heat loss of polyurethane foam insulation steel pipe is only 25% of that of traditional pipe material. Long term operation can save a lot of energy and significantly reduce energy cost
聚氨酯發(fā)泡保溫鋼管具有很強的防水和耐腐蝕能力，不需附設管溝，可直接埋入地下或水中，施工簡便迅速，綜合造價低。
Polyurethane foam thermal insulation steel pipe has strong water-proof and corrosion-resistant ability. It can be directly buried in the ground or water without the pipe trench. The construction is simple and rapid, and the comprehensive cost is low.
聚氨酯發(fā)泡保溫鋼管在低溫條件下也具有良好的耐腐蝕和耐沖擊性，可直接埋入地下凍土。
Polyurethane foam insulation steel pipe also has good corrosion resistance and impact resistance at low temperature, which can be directly buried in the frozen soil.
正確的安裝和使用聚氨酯發(fā)泡保溫鋼管可使管網(wǎng)維修費用低。
The correct installation and use of polyurethane foam insulation steel pipe can reduce the maintenance cost of pipe network.
聚氨酯防腐保溫鋼管可設置報警系統(tǒng)，自動檢測管網(wǎng)滲漏故障，準確指示故障位置并自動報警。
The alarm system can be set up for polyurethane anticorrosive and thermal insulation steel pipe, which can automatically detect the leakage fault of pipe network, accurately indicate the fault location and automatically alarm.
聚氨酯發(fā)泡保溫螺旋鋼管的這種防腐保溫方式可以架空或者埋在地下，整個施工過程均可在現(xiàn)場進行，便于施工和操作，而且很容易被施工人員操控，流程比較簡單。
The anti-corrosion and thermal insulation method of polyurethane foam insulation spiral steel pipe can be overhead or buried underground, and the whole construction process can be carried out on site, which is convenient for construction and operation, and is easy to be controlled by construction personnel, and the process is relatively simple.
聚氨酯硬泡材料孔隙率結構穩(wěn)定，基本上是閉孔，如此不僅保溫性能優(yōu)良，而且抗凍融、吸聲性也好。
The porosity structure of rigid polyurethane foam material is stable and basically closed, which not only has excellent heat preservation performance, but also has good freeze-thaw resistance and sound absorption.
現(xiàn)場模澆聚氨酯硬泡保溫構造的平均壽命在正常使用與維修的條件下，能達到25年以上。
Under the condition of normal use and maintenance, the average life of cast-in-situ polyurethane rigid foam insulation structure can reach more than 25 years.
現(xiàn)場模澆聚氨酯硬泡保溫體系的各種組成材料，具有化學與物理的穩(wěn)定性。
All kinds of component materials of polyurethane rigid foam insulation system have chemical and physical stability.
地埋式聚氨酯保溫鋼管技術標準：
Technical standard for buried polyurethane insulation steel pipe:
《高密度聚乙烯外護管硬質聚氨酯泡沫塑料預制直埋保溫管及管件》GB/T 29047-2012《城鎮(zhèn)供熱預制直埋保溫管道技術指標檢測方法》GB/T 29046-2012
"High density polyethylene external protective tube rigid polyurethane foam prefabricated directly buried insulation pipe and fittings" GB/T 29047-2012 "urban heating prefabricated directly buried insulation pipe technical index detection method" GB/T 29046-2012
聚氨酯供暖防腐保溫管是什么
What is polyurethane heat preservation pipe
熱力聚氨酯直埋保溫管道主要由三層結構構成，一層以高密度聚乙烯或玻璃鋼做成的保護殼，一層采用硬質聚氨酯泡沫塑料做成的保溫層，還有一層工作鋼管，工作鋼管可以根據(jù)介質輸送要求的不同分別采用有縫鋼管、無縫鋼管、雙面埋弧螺旋焊接鋼管。
The thermal polyurethane direct buried thermal insulation pipeline is mainly composed of three layers of structure, one is a protective shell made of high-density polyethylene or fiberglass reinforced plastics, one is a thermal insulation layer made of rigid polyurethane foam, and one is a working steel pipe. The working steel pipe can adopt seamless steel pipe, seamless steel pipe and double-sided submerged arc welded pipe separately according to the requirements of medium transportation.
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聚氨酯保溫無縫鋼管現(xiàn)場接頭保溫須在試驗壓力合格后進行。
The field joint insulation of polyurethane insulation seamless steel pipe must be carried out after the test pressure is qualified.
這一項工作是聚氨酯直埋保溫管施工必要的。施工質量直接影響使用壽命。保溫層有現(xiàn)場發(fā)泡施工和保溫瓦施工兩種方法.無論采用哪種方法，都不能出現(xiàn)環(huán)形空間、開裂、脫層等缺點。
This work is necessary for the construction of polyurethane directly buried insulation pipe. The construction quality directly affects the service life. There are two methods of foam construction and insulation tile construction for insulation layer. No matter which method is adopted, the defects such as annular space, cracking and delamination can not appear.
維護層的做法有多種，但要保證接頭的整體性和嚴密性。
There are many methods for maintenance layer, but the integrity and tightness of joints should be ensured.
