LNG storage tanks are essential storage containers for LNG fueling stations, an indispensable component of such stations. As a professional in the LNG industry, do you truly understand them? Let's delve into a detailed introduction below:
1. Shipment Method
LNG tanks typically come in vertical and horizontal types. Vertical tanks have the advantage of occupying less land, are convenient to use, and reduce the power consumption of submersible pumps due to the gravitational difference, saving electricity. However, vertical tanks usually exceed 10 meters, which can cause fear among nearby residents, so they are not suitable for urban areas. Horizontal tanks are the most commonly used type. Their drawback is that they require more land. Additionally, there are safety distance requirements between the storage tanks and surrounding buildings and facilities both within and outside the station, according to GB50156, which increases the design complexity.
2. Insulation form
Common insulation forms for LNG tanks include high vacuum multi-layer wrapping insulation and pearl sand powder insulation. The latter is more common in practical applications due to its lower cost.
3. Materials
The container is made of high-quality Austenitic stainless steel 0Cr18Ni9 sheet or imported 304 sheet; the outer container is made of high-quality carbon steel Q345R steel plate.
4. Security Protection System
Safety protection systems consist of tank accessories including: pressure gauges, level indicators, redundant full-closed safety valves (one in use and one in reserve), overflow ports, and bursting disks.
5. Filling Form
LNG tanks are filled through top and bottom methods. The top filling can液化 off the BOG gas inside the tank using cold liquid. Both methods can be used, and the choice depends on the on-site conditions during the unloading process. It's a complex matter that can't be explained in just a few sentences. Those with questions can discuss privately.
6Level Conversion
LNG液位换算质量容积及质量需要按照储罐厂家提供的数据，结合液厂的气质报告数据综合确定。
7Technical Requirements
General technical agreements require the design pressure for LNG tanks.0.8MPA, designed for -196°C, daily evaporation rate not exceeding 0.20%. The actual working pressure of the tank is generally less than 0..8MPA's, the operating temperature is generally determined by the liquid's quality, around -100°F.
A seemingly simple white large drum, but the waters run deep. How to choose the right storage tank that minimizes investment while meeting usage requirements? How to use the tank efficiently to reduce losses at the gas station and maintenance costs? Welcome to message for more information.
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