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On-line weighing fluid densimeter of isolation system

A fluid density and fluid technology, which is applied in the field of automatic on-line sampling liquid density measuring devices, can solve the problems of affecting the measuring accuracy, clogging of the on-line density meter, and heavy weighing weight, etc., and achieves simple device structure, high measuring accuracy, The effect of a high degree of automation

Pending Publication Date: 2021-10-12
钟方明
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Problems solved by technology

Because the online density meter has strict restrictions on the flow rate of the slurry, the flow rate is high, which affects the measurement accuracy, and the flow rate is low, and the larger particles of dust in the slurry cannot flow through the online density meter smoothly, which is easy to cause damage to the online density meter. jam
[0005] Someone else invented an online weighing density meter, but the weighing device is connected to the valve or electrical cable of the system when weighing, and the weighing weight is relatively large, which affects the measurement accuracy

Method used

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  • On-line weighing fluid densimeter of isolation system
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Embodiment Construction

[0017] Below in conjunction with accompanying drawing, the present invention is described in further detail:

[0018] Such as figure 1 As shown, a fully automatic on-line weighing fluid density meter capable of isolating the system and dumping samples of the present invention includes independently installed weighing devices 2, volumetric bottles 5, clear water and measured fluid sampling devices 3, and lifting devices 4 and the controller 1, a weighing module 21 for weighing is arranged above the bottom of the volumetric flask 5, a volumetric flask exhaust port 53 is arranged on the top of the volumetric flask 5, and a volumetric flask funnel 51 is arranged above the volumetric flask 5, the The bottom nozzle wall of the volumetric flask funnel 51 is provided with a volumetric flask overflow port 52, the lifting device 4 contains a lifter 41, a lifting line 42, a lifting line hole 44 and a weight 43, and the weighing device 2 includes a weighing Support 22, weighing module 21...

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Abstract

The full-automatic on-line weighing fluid densimeter of an isolated system can realize full-automatic on-line sampling process control of fluid, the influence of the system on weighing is isolated, clean water and fluid are poured to keep the volumetric flask clean, and the measurement and calculation of the fluid density can be automatically completed. The whole device is simple in structure, high in automation degree, extremely high in measurement precision and suitable for on-line accurate measurement and monitoring application of the fluid density in an industrial field.

Description

technical field [0001] The invention relates to a fully automatic on-line liquid density measuring device, in particular to a weighing device isolated from the system during density measurement. Background technique [0002] During the operation of flue gas desulfurization process in power plants, the slurry density in the desulfurization reaction tower is a key parameter in the whole desulfurization process. When the slurry density in the desulfurization tower exceeds the limit value, measures should be taken immediately to replace the slurry in the tower to eliminate some high-density Slurry, add some fresh desulfurization original slurry. [0003] At present, there are two online slurry density measurement methods used in the flue gas desulfurization process of coal-fired boilers. [0004] One method is: double differential pressure liquid level measurement method, that is, install two double-flange differential pressure transmitters on the side wall of the desulfurizati...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N9/04G01G17/04
CPCG01N9/04G01G17/04
Inventor 钟方明
Owner 钟方明
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