1.防腐層：維護外鋼管防止腐蝕物腐蝕鋼管，延長鋼管運用壽命。
1. Anti-corrosive coating: Maintain external steel pipe to prevent corrosion and prolong service life of steel pipe.
2.外護鋼管: 維護保溫層免受公開水腐蝕，支撐工作管并能接受一定的外部荷載，保證工作管正常工作。
2. External protection steel pipe: Maintain insulation layer from open water corrosion, support working pipe and accept certain external loads to ensure the normal operation of working pipe.
3.聚氨酯泡沫層: 保證介質(zhì)溫度，保證外護管外表堅持常溫。
3. polyurethane foam layer: ensure the medium temperature, ensure the external tube surface to adhere to normal temperature.
4.阻隔、反射層: 保證有機泡沫資料不進入無機硬質(zhì)耐高溫層；反射耐高溫層局部熱量。
4. barrier, reflective layer: ensure that the organic foam data do not enter the inorganic hard and high-temperature resistant layer; reflect the heat resistance of the high temperature layer.
5.無機硬質(zhì)保溫層：耐高溫，保證與有機保溫層之間的界面溫度，保證泡沫不被炭化。
5. inorganic hard insulation layer: high temperature resistance, ensure the interface temperature between the organic insulation layer and ensure that the foam is not carbonized.
6.減阻層: 保證工作鋼管熱脹冷縮自在運動。
6. Drag Reduction Layer: Guarantee the free movement of hot expansion and cold contraction of working steel pipe.
7.工作鋼管：保證保送介質(zhì)正常活動。
7. Working steel pipe: Ensure the normal activity of delivery medium.
產(chǎn)品構(gòu)造：
Product structure:
鋼套鋼直埋保溫管由內(nèi)工作鋼管、外維護鋼管和中間保溫層組成。工作鋼管經(jīng)噴砂涂兩層防銹漆。保溫層由高溫纖維氈、超細微孔硅酸鈣保溫瓦和聚氨酯泡沫塑料組成。外套鋼管作噴砂處置后纏繞六層玻璃纖維和樹脂防腐層。
Steel jacket steel directly buried insulation pipe is composed of internal working steel pipe, external maintenance steel pipe and intermediate insulation layer. The working steel pipe is sandblasted with two layers of anti-rust paint. The insulation layer consists of high temperature fiber felt, ultra-fine micro-porous calcium silicate insulation tile and polyurethane foam plastic. The coated steel pipe is sandblasted and wound with six layers of glass fiber and resin anticorrosive coating.
性能特性：
Performance characteristics:
1、防水防潮
1. Waterproof and moisture-proof
2、耐高溫高壓，適用介質(zhì)溫度350℃，壓力2.5Mpa
2. High temperature and high pressure resistance, suitable for medium temperature 350 C, pressure 2.5 Mpa
3、熱耗低，保溫效果優(yōu)于任何一種傳統(tǒng)保溫方式
3. Low heat consumption, better heat preservation effect than any traditional heat preservation method.
4、防腐才能強，防腐層強度高，不易毀壞
4. Anti-corrosion ability is strong, anti-corrosion coating is strong and not easy to destroy.
5、運用壽命長，可達30－50年壽命
5. Long service life, up to 30-50 years
鋼套鋼蒸汽保溫管一種是由保送介質(zhì)的鋼管、防腐外套鋼管以及鋼管與外套鋼管之間填充的超細玻璃棉組合而成,也可采用石墨、硅鈣瓦管殼及填充聚氨酯泡沫復合而成。鋼套管（鋼套鋼）埋設(shè)技術(shù)是一種防水、防漏、抗?jié)B、抗壓和全封鎖的埋設(shè)新技術(shù)，是直埋敷設(shè)技術(shù)在公開水位較高地域運用的一次較大打破。
A steam insulated pipe with steel sleeves is made up of a super fine glass wool which is filled with a steel pipe, an anticorrosive coat tube, and a steel tube filled with steel tube and outer steel pipe. It can also be made of graphite, calcium silicate tile and polyurethane foam. Steel sleeve (steel sleeve) embedding technology is a new embedding technology of waterproof, leak-proof, impermeability, compression and full blockade. It is a great break in the application of direct embedding technology in areas with high open water level.
直埋管道的維護管的首要問題是緊密防水的牢靠性，此外要有良好的機械強度，鋼套管由于強度高采用焊接銜接，防水的密封性能牢靠性非常高，另外，其耐高溫性能也是其它外維護管所不能比較的。
The primary problem for the maintenance pipe of directly buried pipeline is the reliability of tight waterproof. Besides, it should have good mechanical strength. Because of the high strength of steel sleeve, welding connection is adopted, the reliability of waterproof sealing performance is very high. In addition, its high temperature resistance performance can not be compared with other external maintenance pipes.
鋼套鋼保溫管鋼套鋼蒸汽保溫鋼管鋼套鋼蒸汽保溫管，鋼套鋼保溫鋼管它是由保送介質(zhì)的鋼管、防腐外套鋼管以及鋼管與外套鋼管之間填充的超細玻璃棉組合而成,也可采用石墨、硅鈣瓦管殼及填充聚氨酯泡沫復合而成。
Steel sleeve steel thermal insulation pipe steel sleeve steel steam thermal insulation steel pipe steel sleeve steam insulation pipe, steel sleeve steel heat preservation steel pipe, it is made of the super fine glass wool which is filled with the steel pipe, the anticorrosive coat pipe and the filled steel tube between the steel pipe and the outer steel pipe, and it can also be made of graphite, calcium silicate tile shell and polyurethane foam.
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