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Liquid storage tank cleaning detection method

A detection method and storage tank technology, applied in measuring devices, material analysis through optical means, instruments, etc., can solve the problems of different speeds of impurities such as rust, difficulty in guaranteeing product quality, and affecting the tank cleaning cycle, etc., to achieve effective preservation The effect of sample composition, avoiding the loss of tank clearing products and waste of manpower and material resources, and eliminating potential safety hazards

Pending Publication Date: 2021-04-13
CHINA PETROLEUM & CHEM CORP +1
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  • Description
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AI Technical Summary

Problems solved by technology

[0003] (1) Due to the different composition of liquid chemical products, different products have different degrees of oxidation reaction, electrochemical corrosion and emulsification, so the speed of impurities such as rust is different, and the degree of influence on product quality is also different. Nitrogen blanketing, internal spraying and anti-corrosion measures will affect the tank cleaning cycle, and the tank cleaning cycle is uniformly carried out in accordance with the 2-year or 4-year tank cleaning cycle. Some are difficult to guarantee product quality, and some are wasteful due to excessive tank cleaning.
[0004] (2) Every time the tank is cleared, the product loss will be increased, and the three wastes will be generated, resulting in the loss of benefits

Method used

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Embodiment Construction

[0030] Figure 1~2 It is the best embodiment of the present invention, below in conjunction with attached Figure 1~2 The present invention will be further described.

[0031] The sampling device includes a sampling cylinder 6 and a valve stem 9 arranged in the sampling cylinder 6. The lower end of the sampling cylinder 6 is provided with a sampling port 8. The spring 10 that closes the sampling port 8 and the valve stem 9 are also connected with the sampling rope 3 . The spring 10 pushes the valve stem 9 to close the sampling port 8, and the sampling rope 3 is connected to the valve stem 9, and drives the valve stem 9 to move up to open the sampling port 8, so that the medium of any depth can be sampled according to the needs, and the sampling is accurate and easy to use. convenient.

[0032] The present invention will be further described below in conjunction with specific embodiments, yet those who are familiar with the art should understand that the detailed description...

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Abstract

The invention discloses a liquid storage tank cleaning detection method and belongs to the technical field of liquid storage tank detection. The method is characterized by comprising the following steps: (1) connecting a sampling device (2) with a storage tank (1) through a sampling rope (4), and enabling the sampling device (2) to pass through the storage tank (1); 2) feeding the sampling device (2) into the storage tank (1), and feeding the sampling device (2) to a specified sampling point for sampling; 3) taking the sampling device (2) out of the storage tank (1), and pouring the collected sample into a ground bottle; and 4) visually inspecting whether the sample reaches the cleaning standard or not, if not, making an inspection record, if so, analyzing according to the product quality standard, and immediately setting tank cleaning treatment if the product quality standard is not met.The liquid storage tank cleaning detection method avoids the problems that unnecessary tank cleaning causes loss of tank cleaning products and waste of manpower and material resources.

Description

technical field [0001] The invention discloses a liquid storage tank cleaning detection method, which belongs to the technical field of liquid storage tank detection. Background technique [0002] During the storage of liquid chemical products, since the liquid chemical products contain water, sulfur, chlorine and other elements, the storage tanks are generally steel storage tanks, and oxidation reactions, electrochemical corrosion and other reactions will occur during the storage process, producing rust and precipitation substances; water in the product will emulsify, causing product deterioration and affecting product quality. In order to ensure product quality, tank cleaning is required on a regular basis to remove rust, impurities and emulsions at the bottom of the tank. At present, the tank cleaning is generally carried out according to the prescribed cycle. For example, the light oil tank without nitrogen sealing is cleaned every 2 years; with nitrogen sealing, it is ...

Claims

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Application Information

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IPC IPC(8): G01N1/10G01N21/84G01N33/00
CPCG01N1/10G01N21/84G01N33/00
Inventor 安汝文
Owner CHINA PETROLEUM & CHEM CORP
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