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Bulk grain silo deep reverse sampling device and method

A technology of cutting samples and grain tubes, which is applied in the field of bulk grain silo sampling, which can solve the problems of increasing the content of light impurities in samples, increasing the brokenness of automatic grading, and increasing detection errors, etc.

Active Publication Date: 2019-03-08
HENAN UNIVERSITY OF TECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In the face of more and more large silos with grain storage depths exceeding 30 meters or even 40 meters, the existing sampling technology is powerless
In addition, when this kind of sampling device sucks the sample, it will enrich the light impurities and increase the content of the light impurities in the sample. The sample also has the phenomenon of automatic classification and increased fragmentation, resulting in an increase in the detection error.

Method used

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  • Bulk grain silo deep reverse sampling device and method
  • Bulk grain silo deep reverse sampling device and method

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Embodiment Construction

[0021] The technical solutions of the present invention will be described in further detail below through specific implementation methods.

[0022] Such as figure 1 , figure 2 As shown, a deep reverse sampling equipment for a bulk grain silo includes a fixed frame 3, a driving mechanism arranged on the fixed frame 3, a threaded interface 8 and a sampling tube 4, and the driving mechanism includes a vertical guide rail 5 , a group of slide assemblies 7 arranged on the vertical guide rail 5, a motor 6 installed on the slide assembly 7, the motor 6 drives the rotation of the sample tube 4, and the inner wall of the threaded interface 8 is set An internal thread, the outer wall of the sample tube 4 is provided with an external thread suitable for the internal thread.

[0023] The method of using the deep layer reverse sampling equipment of the bulk grain silo is as follows. First, the threaded interface 8 is fixed on the bottom of the grain silo through fixing components such a...

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Abstract

The invention provides a bulk grain silo deep reverse sampling device which comprises a fixing frame, a driving mechanism, a thread joint and a sampling pipe. The driving mechanism, the thread joint and the sampling pipe are arranged on the fixing frame, the driving mechanism comprises a vertical guide rail, a sliding component and a motor, the sliding component is arranged on the vertical guide rail, the motor is mounted on the sliding component and drives the sampling pipe to rotate, an internal thread is arranged on the inner wall of the thread joint, and an external thread matched with theinternal thread is arranged on the outer wall of the sampling pipe. The bulk grain silo deep reverse sampling device can perform reverse sampling and effectively solve the technical problem of difficulty in deep sampling of a bulk grain silo. Besides, the invention provides a sampling method using the bulk grain silo deep reverse sampling device. The method is simple, easy to operate and suitablefor large-scale application.

Description

technical field [0001] The invention relates to the field of bulk grain silo sampling, in particular to a deep reverse sampling equipment and method for bulk grain silos. Background technique [0002] In the process of bulk grain storage, in order to know the grain information in time, it is necessary to do a good job of sampling. With the development of modern grain storage facilities, the height of grain storage in grain silos has gradually increased, and deep grain sampling has become a problem that is difficult to solve at present. At present, in domestic deep grain sampling equipment, its working principle is mostly to use a large suction fan to suck the grain at the entrance of the sampling rod through the sampling rod, so that the sampling rod can be smoothly inserted into the depth of the grain pile. However, due to the very little air content in the deep layer of the grain pile, after the cutting rod reaches a certain depth, it is impossible to generate an airflow ...

Claims

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Application Information

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IPC IPC(8): G01N1/10
CPCG01N1/10G01N2001/1006
Inventor 王星曹宪周徐琴王明旭
Owner HENAN UNIVERSITY OF TECHNOLOGY
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