Rolling type coal sample drying device

Abstract

The invention relates to a rolling type coal sample drying device which comprises a rack. A hollow shaft is mounted in the center of the rack, a rotary frame is mounted on the hollow shaft, and a plurality of containers for containing coal samples to be dried are mounted on the rotary frame. An air inlet channel which is communicated with the front end of the hollow shaft and supplies air to each container on the rotary frame is mounted on the front side of the rack. An air outlet channel which is communicated with the rear end of the hollow shaft and guides out dehumidifying hot air in each container on the rotary frame is mounted on the rear side of the rack. An air inlet and an air outlet are formed in the two sides of each container. An automatic opening and closing door is formed in the top end of each container. Transmission mechanisms for conveniently and automatically locking the automatic opening and closing doors and driving the automatic opening and closing doors to be opened are mounted on the containers. A coal adding door opening mechanism is arranged on the upper portion of the front side of the rack. A convenient coal unloading door opening mechanism is arranged on the lower portion of the front side of the rack. In the working process, the coal samples in the containers are rolled, and meanwhile water is constantly taken away by dry hot air, so that the hot air is in full contact with each particle of the coal samples, the quality of the coal samples is guaranteed, and meanwhile the water is effectively separated out.

Description

【Technical field】 [0001] The invention relates to sample drying equipment, in particular to a tumbling coal sample drying device. 【Background technique】 [0002] At present, the common sample drying methods on the market generally adopt electric heating, microwave heating, infrared or other heating methods, and the drying is achieved by directly heating the coal sample to a higher temperature; the advantages of these methods are fast speed and high efficiency. However, there are certain limitations in its application, especially the high temperature generated by the above heating method will cause reactions inside the sample, resulting in changes in the nature of the material. [0003] For example, in the field of coal sample detection, it is often necessary to dry the coal sample first to remove a certain amount of water before testing; if high-temperature heating is used, the coal sample itself will undergo great changes, and its sample will be lost. Representativeness, c...

AI Technical Summary

Problems solved by technology

All the above equipments have the same problem, that is, the coal samples are kept still for a long time, and there is no real-time and effective turning during the drying process, the dehumidification is extremely uneven, and the qualification of the coal samples cannot be effectively guaranteed. There is also the problem of pollution

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