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众所周知,存在Cl-的溶液不能采用普通常规不锈钢容器盛装,若采用特种不锈钢或钛材制造容器则价格太贵,而玻璃钢储罐很好的解决了这一问题,玻璃钢盐酸储罐在常温下可以盛装36%及以下的盐酸。
As we all know, the Cl- solution can not be filled with ordinary conventional stainless steel containers. If special stainless steel or titanium materials are used to make containers, the price is too expensive, and the glass steel tank is a good solution to this problem. The glass steel hydrochloric tank can be filled with 36% or less hydrochloric acid at normal temperature.
客户在选择玻璃钢储罐时会对其使用寿命存在一定的质疑,同是玻璃钢盐酸储罐,为何有的在实际应用过程中使用1-2年就出现报废现象,而有的则使用超过15年还未出现问题。下面小意就来跟您分析一下:
When customers choose glass steel tanks, there will be some doubts about their service life. The same is the glass steel tank for hydrochloric acid. Why some of them have been used in the process of practical application for 1-2 years, while others have not been in problem for more than 15 years. The following small idea will come to you to analyze it.
1)设计厚度,在玻璃钢储罐发展初期,防腐层厚度都为5mm,而随着生产技术的不断进步,现今一般防腐层厚度做3mm,甚至部分生产企业更加薄,所有在设计过程中比较好将防腐层厚度设计为5mm;
1) design thickness, in the early stage of the development of glass steel tank, the thickness of the anticorrosion layer is 5mm, and with the continuous progress of production technology, the general thickness of the anticorrosion layer is 3mm, even part of the production enterprise is thinner, all in the design process, the best thickness of the anticorrosion layer is designed to be 5mm;
2)设计形式,封头与罐体必须采用悬臂梁制作,整体统一,至于底部尽量设计成R底,因储罐底部应力集中,是易渗漏点,设计成R底,承受应力强度好;
2) design form, the head and the tank must be made of cantilever beam, unified, as far as the bottom is designed to be R bottom as far as possible, because of the stress concentration at the bottom of the tank, it is easy to leak, designed to be the bottom of R and bear the stress strength well;
3)安装就位,一般大型储罐都有严格的就位要求及固定要求,玻璃钢盐酸储罐在就位时一定要保证基础水平并基础上覆盖一层2-3cm的细沙,在就位后可采用沥青固定,另外所有法兰不能与阀门硬连接,不然会出现法兰脱层;
3) installation in place, the general large storage tanks have strict position requirements and fixed requirements, glass steel hydrochloric tank in place must ensure the basic level and cover a layer of 2-3cm fine sand, in position after the use of asphalt fixed, and all flanges can not be hard connected with the valve, otherwise there will be flanged delamination;
4)玻璃钢盐酸储罐比较好能就位在阴凉处,若暴露在阳光下会缩短使用寿命;
4) the glass fiber reinforced plastic hydrochloric acid storage tank is best placed in a cool place. If exposed to sunlight, it will shorten the service life.
5)在使用过程中不要将储罐内所有盐酸使用完后再装液,必须保证储罐内存在一定盐酸时再装液,不然会出现局部点位经常受到冲击,出现腐蚀层过早消失,这一点对经常使用盐酸,但配置的盐酸储罐不多的企业需要格外注意。
5) in the process of use, do not use all the hydrochloric acid in the storage tank and then reload the liquid. It must ensure that the storage tank is reloaded in a certain hydrochloric acid. Otherwise, the local point position is often impacted and the corrosion layer is disappearing too early. This is a point for the frequent use of hydrochloric acid, but the enterprises with not many hydrochloric tanks in the configuration need to pay extra attention to it.