Naphtha production multi-process detection sampling system

Through the cooperation of the catheter and the opening and closing components, multi-depth sampling of naphtha is achieved, and the residues in the inner wall of the liquid storage tank are removed through the cleaning mechanism, which solves the problems of incomplete sampling and cross-contamination in the prior art, ensuring the comprehensiveness and accuracy of the detection results.

CN120293613AActive Publication Date: 2025-07-11SHANDONG MINGCHENG PETROCHEMICAL CO LTD
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Patent Information

Application Number
CN202510779889.6
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-06-12
Publication Date
2025-07-11
Estimated Expiration
2045-06-12

AI Technical Summary

Technical Problem

The existing closed sampler cannot achieve multi-depth sampling, resulting in the detection results that cannot fully reflect the actual distribution status of naphtha, and the inner wall of the liquid storage tank is prone to residual naphtha, causing cross-contamination.

Method used

The liquid conduit in the liquid suction mechanism is used to cooperate with the opening and closing components to achieve accurate sampling of different liquid layers; the cleaning mechanism removes residual naphtha in the inner wall of the liquid storage tank through the synergistic floating plate, scraper frame and constant force spring; the resistance plate adjusts the flow rate and maintains the laminar flow state; the buoyancy ball and the rotating box are linked to ensure accurate sampling depth; the scraper frame is agitated simultaneously to ensure sample uniformity.

Benefits of technology

Multi-depth sampling of naphtha is achieved, ensuring the comprehensiveness and accuracy of the test results, avoiding cross-contamination, and maintaining the independence and uniformity of the samples.

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Abstract

The invention relates to the technical field of detection and sampling, in particular to a naphtha production multi-process detection and sampling system which comprises a closed sampler, the closed sampler comprises a liquid storage tank used for temporarily storing naphtha, and a liquid suction mechanism used for stretching into different depth positions in a reaction kettle for sampling is arranged on the lower side of the closed sampler. According to the closed sampler, a liquid guide pipe in the liquid suction mechanism is matched with an opening and closing assembly, the sliding depth of the liquid guide pipe and opening and closing of a flow guide opening of a blocking cover are manually adjusted, and the closed sampler can accurately stretch into different liquid layer positions in a reaction kettle for sampling; by adopting the synergistic effect of the annular floating plate, the scraping frame and the constant-force spring in the cleaning mechanism, the annular floating plate slides up and down along with the floating of the liquid level to drive the spiral scraping plate of the scraping frame to rotationally scrape the inner wall of the liquid storage tank, high-viscosity naphtha residues are effectively removed, and cross contamination of different batches of samples is avoided.
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