Liquefied hydrocarbon spherical tank sampling
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Is it necessary to install a closed circulation sampler at the bottom of a 2000-liter liquefied hydrocarbon spherical tank? Which norm is it based on? I have a sampling point when entering the purification system of the device. I don’t need to take samples at the bottom of the spherical tank. Do I still need to set a sampling point? I beg God to clarify my doubts, thank you!
According to my understanding, a closed loop sampler is generally required at the bottom of the liquefied hydrocarbon spherical tank. This is to ensure the accuracy and safety of sampling and avoid gas leaks or other risks. For specific basis, please refer to * * Petroleum and chemical industry standards "Design Specifications for Liquefied Petroleum Gas Storage and Transportation Units" (GB 50156-2012), "Safety Technical Regulations for Chemical Industry Enterprises - Gas Storage and Transmission" (GB 500283-2009) and other relevant specifications and standards. As for whether you mentioned that a sampling point has been set up when entering the purification system of the device, whether it is still necessary to set a sampling point at the bottom of the spherical tank, it is recommended that you make a judgment based on the specific situation. If you have been able to obtain accurate and satisfactory sampling results in the device purification system and can ensure safety, you may not need to set up additional sampling points at the bottom of the spherical tank. However, if you need more comprehensive and accurate sampling data, or there may be special conditions at the bottom of the spherical tank (such as differences in gas density, etc.), it is recommended to consider setting a sampling point at the bottom of the spherical tank. It is best to ask professional engineers or technicians to conduct detailed evaluation and decision-making to ensure that your operations comply with relevant specifications and standards, and to ensure work safety and data reliability. .
There are no mandatory regulations,* It is common practice to take samples from the tank outlet
Our company adopts incoming material inspection and closed sampling； Enter the workshop pipeline for closed sampling. The spherical tank regularly cuts water and no longer conducts separate sampling and inspection of the spherical tank (generally 5-7 days the material of the spherical tank is used up). Regularly check the oxygen content in the air of the safety valve and make sure it is less than 300ppm.