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　　井盖有哪些分类呢？

What are the classifications of manhole covers?

　　井盖作为交通道路的重要设施，在我们的生活中非常常见。首先，它具有防护功能，可以维护道路井下的各种电缆管线；其次还有排水功能，可以排除地面多余的积水与污水。

As an important facility for transportation, manhole covers are very common in our daily lives. Firstly, it has protective functions and can maintain various cable pipelines underground on roads; Secondly, there is a drainage function that can remove excess water and sewage from the ground.

　　除此之外，井盖还具有装饰功能，尤其是一些艺术井盖，可以对表面进行艺术设计，这类井盖的观赏性更高，被赋予了独特的意义，甚至在许多城市，艺术井盖已经成为了这座城市的标签。那么井盖都有哪些种类呢？小编跟大家详细的介绍一下～

In addition, manhole covers also have decorative functions, especially some artistic manhole covers, which can be used for artistic design on the surface. This type of manhole cover has a higher ornamental value and is given a unique meaning. Even in many cities, artistic manhole covers have become the label of this city. So what are the types of manhole covers? Let me give you a detailed introduction

　　1、铸铁井盖

1. Cast iron manhole cover

　　铸铁井盖可以分为球墨铸铁和灰口铸铁两种，铸铁井盖拥有一定的承载能力。铸铁井盖本身就具有很高的回收价值，这也是许多城市经常丢井盖的原因之一。但是现在许多厂家都已经设计了带有防盗锁的铸铁井盖，更加实用，但是成本也会随之增加。

Cast iron manhole covers can be divided into two types: ductile iron and gray cast iron. Cast iron manhole covers have a certain load-bearing capacity. Cast iron manhole covers themselves have high recycling value, which is also one of the reasons why many cities often lose manhole covers. But now many manufacturers have designed cast iron manhole covers with anti-theft locks, which are more practical, but the cost will also increase accordingly.

　　2、水泥井盖

2. Cement manhole cover

　　相较于其他类型的井盖，水泥井盖的刚性更强，脆性大，主要是在水泥中添加钢架或者掺杂钢纤维制作而成。不过水泥井盖不耐酸碱腐蚀，容易发生老化，承载能力一般，现在道路交通设施中，水泥井盖已经应用的不多了。

Compared to other types of manhole covers, cement manhole covers have stronger rigidity and greater brittleness, mainly made by adding steel frames or doping steel fibers in cement. However, cement manhole covers are not resistant to acid and alkali corrosion, are prone to aging, and have average bearing capacity. Nowadays, cement manhole covers are not widely used in road traffic facilities.

　　3、硅塑井盖

3. Silicone plastic manhole cover

　　硅塑井盖是一种复合井盖，复合了粉煤灰、废塑料、废橡胶等多种材料，复合型的材质导致硅塑井盖的强度并不高，而且容易发生老化，冬天变得脆，夏天变得软，在高温条件下很难开启维护。

Silicone plastic manhole cover is a composite manhole cover that combines various materials such as fly ash, waste plastic, and waste rubber. The composite material results in low strength of the silicone plastic manhole cover and is prone to aging. It becomes brittle in winter and soft in summer, making it difficult to open and maintain under high temperature conditions.

　　4、高分子模压井盖

4. Polymer molded manhole cover

　　这是一种新型井盖，这种井盖的荷载性、防盗性、经济性都是比较出色的，而且和耐腐蚀性、装饰性很好的结合在了一起。目前，该种类型的井盖生产工艺逐渐成熟，是一种很有希望的可以代替球墨铸铁井盖的复合材料井盖。但是不可避免的，在成本上，会高出球墨铸铁井盖很多。

This is a new type of manhole cover, which has excellent load-bearing, anti-theft, and economic performance, and is well combined with corrosion resistance and decoration. At present, the production process of this type of manhole cover is gradually maturing, and it is a promising composite material manhole cover that can replace ductile iron manhole covers. However, it is inevitable that the cost will be much higher than that of ductile iron manhole covers.

本文由山东检查井盖提供技术支持，更多的详细精彩内容请点击我们的网站http://www.longyuejiancai.com 我们将会全心全意为您提供满意的服务。

This article is supported by Shandong Inspection Well Covers. For more detailed and exciting content, please click on our website http://www.longyuejiancai.com We will wholeheartedly provide you with satisfactory service.