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Water-coal-slurry sampling device and sampling method

A sampling device and coal-water slurry technology, applied in the sampling device and other directions, can solve the problems of feedback lag and large sampling deviation, and achieve the effects of convenient operation, convenient sampling and strong practicability

Inactive Publication Date: 2018-08-24
济南热力集团有限公司
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Problems solved by technology

[0005] The purpose of the present invention is to solve the above-mentioned problems of large sampling deviation and feedback hysteresis in laboratory data results, and provide a coal-water slurry sampling device and sampling method, which is accurate and reliable in sampling, and can monitor the density of coal-water slurry in real time

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  • Water-coal-slurry sampling device and sampling method

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Embodiment Construction

[0039] In order to enable those skilled in the art to better understand the technical solutions in the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described The embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present invention.

[0040] according to figure 1 and Figure 4 As shown, a coal-water slurry sampling device includes a host computer, a PLC control system, a solenoid valve, a flow meter, a density meter and a main pipeline, and the host computer is connected to the PLC control system for signals. , Density meter signal connection, the flow meter adopts...

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Abstract

The invention discloses a water-coal-slurry sampling device and sampling method. The device comprises an upper computer, a PLC (programmable logic controller) system, a solenoid valve, a flow meter, adensity meter, a main pipeline and an on-site sampling control instrument panel, wherein the upper computer is connected with the PLC system, the PLC system is connected with the solenoid valve, theflow meter and the density meter, the density meter is positioned on the main pipeline connected with a sampling pipeline, the solenoid valve and the flow meter are positioned on the sampling pipeline, and the on-site sampling control instrument panel is connected with the solenoid valve and the flow meter. Sampling data are accurate, practicability is strong, sampling operation is simple and convenient, water-coal-slurry density is detected on line in real time by the density meter, and response measures are timely taken.

Description

technical field [0001] The invention relates to the technical field of fluid sampling, in particular to a coal water slurry sampling device and a sampling method. Background technique [0002] The coal-water slurry boiler is the main equipment in the thermal heating industry, and the coal-water slurry has also become the most basic and economical clean energy to replace oil, gas and other energy sources. [0003] Whether the quality of coal-water slurry can be kept stable during the supply process is one of the key links, which directly affects whether the coal-water slurry boiler can be reliable and stable in operation. In actual operation, there have been boiler flameouts due to quality problems of coal-water slurry Therefore, the sampling and testing of coal water slurry have attracted much attention as daily work. [0004] The slurry of the slurry tanker is mostly sampled during the process of pumping into the slurry tank through the unloading slurry pump, and the slurr...

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Application Information

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IPC IPC(8): G01N1/10
CPCG01N1/10
Inventor 程龙李杰车彦亮李华岭于兆阁王伟马乐志滕世秋朱大龙
Owner 济南热力集团有限公司
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