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Automatic sampler

A technology of automatic sampler and cylinder, applied in sampling device, program control in sequence/logic controller, electrical program control, etc., can solve the problem of high workload and labor intensity, poor timeliness and accuracy, manual sampling and sampling frequency Small and other problems, to achieve the effect of improving the degree of automation and work efficiency, improving accuracy and representativeness, and reducing manual input

Inactive Publication Date: 2012-05-30
MEISHENG CHEM FERTILIZER YANTAI
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AI Technical Summary

Problems solved by technology

There are many defects in manual collection: 1. Affected by subjective factors, the representativeness and accuracy of sampling are poor and the fluctuations are large
2. The sampling frequency of manual sampling is small, the universality is poor, and there is a large deviation from the actual situation
3. The manual procedure of manual sampling is cumbersome, and the workload and labor intensity are relatively large
4. Manual sampling is cumbersome due to manual procedures, and the timeliness and accuracy of sampling are poor

Method used

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Embodiment Construction

[0016] As shown in the figure: an automatic sampler, a cylinder 2 is installed on the support plate 1, the input port of the cylinder is connected with the program control PLC through a two-position five-way solenoid valve 3, the connecting rod 4 of the cylinder is connected with the rotating shaft in the silo 5 is connected, and the rotating shaft 5 is connected with the baffle plate 6, and the baffle plate is opposite to the material receiving port 7 of the feed bin. The above-mentioned program control PLC adds an automatic sampling control program (the design software and the original PLC system node) to the overall PLC of the original blended fertilizer.

[0017] This device is installed at the end of the mixer when in use. At the beginning of sampling, the two-position five-way solenoid valve receives the instruction of the program control PLC and starts to switch, so that the gas pressure in the cylinder changes, the connecting rod of the cylinder drives the rotating sha...

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Abstract

The invention relates to an automatic sampler. The automatic sampler is characterized in that a support plate is provided with a cylinder; the input port of the cylinder is connected with a program control PLC (programmable logic controller) through a solenoid valve; the connecting rod of the cylinder is connected with the rotating shaft in a bunker; the rotating shaft is connected with a baffle plate; and the baffle plate is opposite to the material reception port of the bunker. Above design allows the online, timing, quantitative and continuous extraction of a plurality of detection samples to be extracted without influencing the production process of a main process, the uniformity and the representativeness of the extracted samples are good, and the operation is convenient and reliable.

Description

Technical field: [0001] The invention belongs to the technical field of chemical fertilizer production, and particularly relates to an automatic sampler used in industries such as chemical fertilizer, chemical industry, grain and mineral products. Background technique: [0002] At present, during the production process, chemical fertilizer manufacturers often collect some finished or semi-finished products from the production line for analysis, so as to test the nutrients of fertilizer products, continuously adjust the production process and improve product quality. The usual sampling is mostly manual collection, such as sampling with a sampling probe. When sampling, first turn the inner tube so that the marked screw hole is screwed to the right of the groove of the outer tube to close the groove. Insert the diagonal line to half of the bag, turn the inner tube to open the groove, the sample enters the inner tube, then close the groove, pull out the sampling probe, and pour ...

Claims

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Application Information

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IPC IPC(8): G01N1/02G05B19/05
Inventor 任广涛于永波
Owner MEISHENG CHEM FERTILIZER YANTAI
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