Automatic coal density testing device

Abstract

The invention relates to an automatic coal density testing device which comprises a metering unit, a water supply unit and a sampling unit, wherein the metering unit comprises a metering storage tank,a weighing metering part and a liquid level metering part; the weighing metering part is arranged below the metering storage tank; the liquid level metering part is used for metering the liquid levelof the metering storage tank; a discharge valve is arranged at the bottom of the metering storage tank; the water supply unit is communicated with the metering storage tank and is used for supplyingwater into the metering storage tank; the sampling unit is arranged on one side of the metering storage tank and is used for grasping a coal sample into the metering storage tank. Due to adoption of the metering unit, the water supply unit and the sampling unit, the automatic coal density testing device provided by the invention is capable of automatically supplying water and taking samples, so that automatic coal density testing is achieved, and problems that a conventional automatic coal density testing device is difficult in sampling, tedious in measurement, high in cost, large in labor andtime consumption, low in measurement precision, and the like, are solved.

Description

technical field [0001] The invention relates to the technical field of coal chemical industry, in particular to a device for automatically measuring coal density. Background technique [0002] The density of coal can reflect the quality of coal to a certain extent. For large-scale coal-consuming units such as thermal power plants and heating companies, mastering the real-time density of fuel coal can help control and detect coal quality. [0003] At present, most of the coal density measuring devices sold in the market are small in size and are generally used for laboratory analysis. Sampling and measurement require manual operation, and the process is relatively cumbersome. If an enterprise adopts this kind of intermittent measurement device, it first needs to scientifically sample the coal stack, but the current sampling method is very troublesome and cannot represent the nature of the overall coal stack, which leads to a large randomness in the measurement data and cannot...

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Problems solved by technology

[0006] The device for automatically measuring coal density of the present invention can automatically supply water and take samples by setting a metering unit, a water supply unit and a sampling unit, thereby realizing automatic measurement of coal density, which solves the difficulty in sampling, cumbersome measurement, high cost and manual labor of existing coal density measuring devices. Time-consuming, low measurement accuracy, etc., provide a low-cost and convenient and accurate measurement device for large coal-consuming units such as thermal power plants and heating enterprises, which is convenient for enterprises to grasp the real-time density of fuel coal, which is helpful for control and Detection of coal quality

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