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室外水管保温套的材料有哪些

来源:未知   发布时间:2018-11-07

室外水管保温套的保温材料主要有:聚氨酯泡沫塑料保温、高级橡塑保温、酚醛泡沫塑料保温等。下面我们就来根据相关的资料说明一下室外水管保温套的保温材料的特点。
The main insulation materials of outdoor water pipe insulation cover are polyurethane foam insulation, advanced rubber-plastic insulation, phenolic foam insulation and so on. Next, we will explain the characteristics of thermal insulation materials for outdoor water pipe insulation sleeves according to relevant information.
1、聚氨酯泡沫塑料保温

该材料用于直埋管段的保温。在工程中的直埋保温防腐管道 ,简称管中管,是指在钢管外壁涂覆防腐层、保温层与抗压层的复合管材。它具有热损失小,抗压性能强,防腐防水性能好等特点,特别适合地下水位高的地区。它与传统的地沟敷设管道相比,具有保温性能好、防腐、绝缘性能好、使用寿命长、施工安装简便、占地面积小、工程造价低等一系列优点,已经广泛用于集中供热、 输油、化工、制冷及高寒地区供水等工程。

1. Polyurethane foam insulation
The material is used for thermal insulation of directly buried pipe sections. In engineering, directly buried heat preservation and anticorrosion pipeline, referred to as pipe-in-pipe, refers to the composite pipe coated with anticorrosive layer, thermal insulation layer and compressive layer on the outer wall of the pipe. It has the characteristics of low heat loss, high pressure resistance, good anti-corrosion and waterproofing performance, and is especially suitable for areas with high groundwater level. Compared with the traditional trench laying pipeline, it has a series of advantages, such as good thermal insulation performance, anti-corrosion, good insulation performance, long service life, simple construction and installation, small occupation area, low cost and so on. It has been widely used in central heating, oil transportation, chemical industry, refrigeration and water supply projects in cold regions.

2、高级橡塑保温

该材料是一种较为理想的绝热材料,其保温材料绝热效果好,对相同管道所使用的保温厚度薄、用量少;同时是整体成型保温材料,工艺较为简单、进度快;此外高级橡塑属于绿色、环保、清洁型保温材料,施工中的废弃物较少,对健康无害。该材料以突出的优点被越来越广泛地应用在空调制冷系统的载冷剂管道、冷凝水管道的保温上。

2, advanced plastic insulation
This material is an ideal insulation material, its insulation effect is good, the insulation thickness used for the same pipeline is thin and the amount is small; at the same time, it is the integral forming insulation material, the process is relatively simple and the progress is fast; in addition, high-grade rubber and plastic belong to green, environmental protection, clean insulation material, construction waste is more. Less, no harm to health. With its outstanding advantages, this material has been more and more widely used in the heat preservation of refrigerant-carrying pipes and condensate pipes in air-conditioning refrigeration systems.


保温套


3、酚醛泡沫保温

该材料是由酚醛树脂通过发泡而得到的—种泡沫塑料。用于生产酚醛泡沫的树脂有两种:热塑性树脂及热固性树脂,由于热固性树脂工艺性能良好,可以连续生产酚醛泡沫,制品性能较佳故酚醛泡沫材料大多采用热固性树脂。、

3. Phenolic foam insulation
The material is made from phenolic resin by foaming. There are two kinds of resins for producing phenolic foam: thermoplastic resin and thermosetting resin. Because of the good technological properties of thermosetting resin, phenolic foam can be continuously produced, and the product has better performance, so phenolic foam materials are mostly made of thermosetting resins.

4、聚苯乙烯泡沫塑料保温

该材料具有闭孔结构,吸水性很小,耐低温性好,耐溶冻性好,因此广泛用于制冷设备和冷藏设备中,如冷冻机、冷风管道、冷藏库等。另外,由于聚苯乙烯泡沫塑料无毒、无腐蚀性、吸水性小、体轻、保温、模具成型、抗酸碱腐蚀,可用于各种用途的管道保温。

4, polystyrene foam insulation
Because of its closed-cell structure, low water absorption, good low temperature resistance and good freezing resistance, the material is widely used in refrigeration equipment and refrigeration equipment, such as refrigerators, cold air pipelines, refrigeration stores, etc. In addition, polystyrene foam is non-toxic, non-corrosive, low water absorption, light weight, heat preservation, mold forming, acid and alkali corrosion resistance, and can be used for pipeline heat preservation for various purposes.


目前似乎还没有非常理想的适用于暖通空调及制冷系统的保温材料。比如常用的:橡塑材料其导热系数小、抗蒸汽渗透性好,便于施工,但还不是不燃材料,如作为高温热水管保温可能会有变形,价格也稍贵。而离心玻璃棉,属于不燃材料,导热系数小,但抗蒸汽渗透性差,如作为冷冻水管道保温,要特别处理好外围的防潮隔汽层,既要密闭又要具有一定强度 (传统的铝箔容易被划破损坏)。

所以保温套材料的基本规律是:凡不燃材料几乎都不抗蒸汽渗透;而抗蒸汽渗透材料几乎都可燃甚至会产生窒息烟气。但是无论如何,只要我们把握好各种保温材料的适用条件,清楚其施工时注意事项,掌握施工要点,就能够做好各种保温工作。

At present, there seems to be no ideal insulation material for HVAC and refrigeration systems. For example, commonly used: rubber and plastic materials have small thermal conductivity, good vapor permeability resistance, easy to construct, but they are not non-combustible materials, such as high temperature hot water pipe insulation may be deformed, and the price is slightly expensive. Centrifugal glass wool, which belongs to non-combustible material, has low thermal conductivity, but poor vapor permeability. If it is used as refrigerated water pipeline insulation, it is necessary to deal with the surrounding moisture insulation layer, which is both sealed and has certain strength (the traditional aluminum foil is easy to be damaged by scratches).
Therefore, the basic law of thermal insulation materials is: almost all non-combustible materials are not resistant to vapor penetration; and almost all anti-vapor penetration materials are combustible and even produce asphyxiating smoke. But in any case, as long as we grasp the applicable conditions of various thermal insulation materials, know the matters needing attention in construction and master the key points of construction, we can do a good job in various thermal insulation work.

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