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+86 512-81666096186、About safety pipeline of outer tank of liquid ammonia atmospheric storage tank -DOERequipment
Classification：Industry PublishTime：2021-12-01 13:39:14
About safety pipeline of outer tank of liquid ammonia atmospheric storage tank
For the safety pipeline of the outer tank of liquid ammonia atmospheric storage tank:
The top of the outer tank shall be provided with an outer tank emergency relief device (diameter DN250) and an outer tank breather valve (diameter DN150) to ensure that the interlayer pressure is within a certain range and the safety of the equipment.
Liquid inlet system - liquid inlet pipeline:
The low-temperature liquid sent from the air separation unit area is sent to the storage tank through pipeline. Before entering the storage tank, it is divided into two ways (top and bottom liquid inlet methods) to enter the storage tank for storage.
The liquid inlet systems of the two atmospheric storage tanks of the project are all two-way liquid inlet, that is, each storage tank is connected with two sets of air separation units. The liquid inlet systems connected to the storage tank and each set of air separation unit are independent of each other. Each liquid inlet system has upper liquid inlet and lower liquid inlet, so as to ensure that there will be no conflict when the two sets of air separation units feed liquid at the same time.
The liquid inlet of phase III air separation is reserved at the liquid inlet, and a stop valve is installed.
The top and bottom liquid inlet pipelines are equipped with stop valve control;The liquid inlet pipeline to the bottom of the storage tank adopts an annular sprinkler to ensure uniform cooling of the inner tank during the first liquid inlet and avoid excessive local temperature difference stress.
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