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Hot air-penetration external circulating-type coal sample dehumidification device having automatic sample feeding/taking function

A technology of hot air penetration and sampling, applied in the preparation of test samples, etc., can solve the problems of low efficiency, slow ventilation speed, and low ventilation efficiency of high-moisture materials, so as to increase the evaporation surface area and improve the accuracy , the effect of improving efficiency

Active Publication Date: 2015-03-18
HUNAN SUNDY SCI & TECH DEV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Because the oven uses a common fan, the air exchange speed is slow and the air exchange efficiency is low, so the air in the oven will be close to saturated and absorb water, so the efficiency of drying materials with high water content in the oven will be very low

Method used

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  • Hot air-penetration external circulating-type coal sample dehumidification device having automatic sample feeding/taking function
  • Hot air-penetration external circulating-type coal sample dehumidification device having automatic sample feeding/taking function
  • Hot air-penetration external circulating-type coal sample dehumidification device having automatic sample feeding/taking function

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Embodiment Construction

[0029] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0030] Such as figure 1 and figure 2 As shown, the hot air penetrating outer circulation type coal sample dehumidifier that can automatically send and sample samples of the present invention includes a box body 1, a controller 4, a sampling mechanism 15, and a fan 2 installed in the box body 1, and a partition 3. The gas heater 6, the sample holding mechanism, the partition 3 divides the box body 1 into an upper chamber 101 and a lower chamber 102, the top or side of the upper chamber 101 is provided with an air outlet 103, and the top of the box body 1 in this embodiment is open The air outlet 103 is the entire top; the bottom or side of the lower chamber 102 is provided with an air inlet 104, the fan 2 is located in the upper chamber 101 near the air outlet 103, and the gas heater 6 is located in the lower chamber 102. It needs t...

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Abstract

The invention discloses a hot air-penetration external circulating-type coal sample dehumidification device having an automatic sample feeding / taking function. The hot air-penetration external circulating-type coal sample dehumidification device having an automatic sample feeding / taking function comprises a case, a controller, a sample feeding / taking mechanism, a fan, a division plate, a gas heater, and one or more sample carrying mechanism, wherein the fan, the division plate, the gas heater and the one or more sample loading mechanisms are arranged in the case which is inclosed. The case is divided into an upper chamber and a lower chamber by the division plate. The top or a side of the upper chamber is provided with an air outlet. The bottom or a side of the lower chamber is provided with an air inlet. The fan is located in the upper chamber and is close to the air outlet. The gas heater is located in the lower chamber. Each one of the one or more sample loading mechanisms comprises a coal sample tray for receiving coal samples and a coal sample support for collecting coal samples; the bottom of the coal sample tray is provided with at least one ventilation hole; the top of the coal sample tray is provided with a sealing part which is in a contact fit relationship with the division plate; and the coal sample support is located below the coal sample tray. The sample feeding / taking mechanism is connected to the one or more sample loading mechanisms and drives the one or more sample loading mechanisms to go up and down. The hot air-penetration external circulating-type coal sample dehumidification device having an automatic sample feeding / taking function has the advantages of simple structure, convenient operation, high dehumidification efficiency, low energy consumption, high sample preparation accuracy and low labor intensity.

Description

technical field [0001] The invention mainly relates to the field of coal sample preparation equipment, in particular to a coal sample dehumidification equipment using hot air penetration. Background technique [0002] For coal quality analysis, it is actually a process of sampling analysis. Coal is an inhomogeneous substance (particle size, distribution of quality characteristics, etc.), and the sampled parent stock is generally relatively large (ranging from tens of tons to tens of thousands of tons), and the samples that can represent the quality and characteristics of the entire stock sample are drawn to the maximum extent. The process of sampling representative samples is called "sampling". At present, there are many methods such as mechanical sampling, manual sampling, and semi-mechanical sampling. Each country has mandatory standards, and sampling work must be carried out in accordance with the standards. [0003] After the sample is collected according to the standa...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N1/28G01N1/44
Inventor 朱先德任率
Owner HUNAN SUNDY SCI & TECH DEV
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