BS EN 14620-1-2006
工作温度0℃～-165℃液态气体冷冻储存用垂直圆柱平底钢罐现场制造的设计和生产.总则
Design and manufacture of site built, vertical, cylindrical, flat-bottomed steel tanks for the storage of refrigerated, liquefied gases with operating temperatures between 0 °C and -165 °C - General
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- 标准号
- BS EN 14620-1-2006
- 发布日期
- 2006年12月29日
- 实施日期
- 2006年12月29日
- 废止日期
- 无
- 中国标准分类号
- J74
- 国际标准分类号
- 23.020.10
- 发布单位
- GB-BSI
- 引用标准
- EN 1991-1-4 EN 1991-1-6 EN 1992-1-1-2004 EN 1997-1-2004 EN 1998-1-2004
- 被代替标准
- 03/105148 DC-2003 BS 7777-1-1993
- 适用范围
- This European Standard is a specification for vertical, cylindrical tanks, built on site, above ground and of which the primary liquid container is made of steel. The secondary container, if applicable, may be of steel or of concrete or a combination of both. An inner tank made only of pre-stressed concrete is excluded from the scope of this European Standard. This European Standard specifies principles and application rules for the structural design of the “containment” during construction, testing, commissioning, operation (accidental included), and decommissioning. It does not address the requirements for ancillary equipment such as pumps, pumpwells, valves, piping, instrumentation, staircases etc. unless they can affect the structural design of the tank. This European Standard applies to storage tanks designed to store products, having an atmospheric boiling point below ambient temperature, in a dual phase, i.e. liquid and vapour. The equilibrium between liquid and vapour phases being maintained by cooling down the product to a temperature equal to, or just below, its atmospheric boiling point in combination with a slight overpressure in the storage tank. The maximum design pressure of the tanks covered by this European Standard is limited to 500 mbar. For higher pressures, reference can be made to EN 13445, Parts 1 to 5. The operating range of the gasses to be stored is between 0 °C and –165 °C. The tanks for the storage of liquefied oxygen, nitrogen and argon are excluded. The tanks are used to store large volumes of hydrocarbon products and ammonia with low temperature boiling points, generally called “Refrigerated Liquefied Gases” (RLG’s). Typical products stored in the tanks are: methane, ethane, propane, butane, ethylene, propylene, butadiene (this range includes the LNG’s and LPG’s). NOTE Properties of the gases are given in Annex A. The requirements of this European Standard cannot cover all details of design and construction because of the variety of sizes and configurations that may be employed. Where complete requirements for a specific design are not provided, the intention is for the designer, subject to approval of the purchaser's authorized representative, to provide design and details that are as safe as those laid out in this European Standard. This European Standard specifies general requirements for the tank concept, selection and general design considerations.