A liquid level and density on-line liquid separation measuring device

A measuring device and density technology, applied in measuring devices, instruments, etc., can solve the problems of flange pressure transmitter diaphragm corrosion and crystallization, etc., and achieve the effect of avoiding corrosion and prolonging the service life
CN108871440BActive Publication Date: 2020-06-12CHINA CEC ENG
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
CHINA CEC ENG
Publication Date
2020-06-12

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Abstract

A liquid level and density online liquid-isolating measuring device is provided. A stainless steel flow limiting member and a sealing member are arranged between a storage tank or evaporation device and a root valve. The flow limiting member is composed of a stainless steel plate, a handle and a stainless steel flow limiting tube. One end of the stainless steel flow limiting tube and the stainlesssteel plate are welded, and the other end of the stainless steel flow limiting tube is cut into an inclined opening. A stainless steel isolating container is arranged between the root valve and a flange-type pressure transmitter. The two ends of the isolating container are connected with the root valve and the flange-type pressure transmitter respectively. A sealing water pipeline is connected tothe isolating container. An exhaust valve and a blow-down valve are installed on the upper part and the lower part of the isolating container respectively. A micro flow meter is installed on the sealing water pipeline. A shut-off valve is installed on the inlet of the micro flow meter. A constant-flow valve is installed on the outlet of the micro flow meter. The device avoids the corrosion of theflange-type pressure transmitter diaphragm, prolongs the service life of an instrument, and realizes the online accurate measurement of a brine liquid level and density.
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Description

technical field

[0001] The invention relates to an online liquid isolation measuring device for the liquid level and density of a storage tank or evaporation equipment. Background technique

[0002] The production process of many devices is based on the corrosive salt solution as the raw material, the product / chemical reaction precipitation or evaporation concentration crystal precipitation, dehydration and drying to become the product. In such a production operation, the liquid level of the storage tank or evaporation equipment and the density (solid-liquid ratio) in the equipment are two very important control parameters in the physical / chemical reaction or evaporation process. Control, equipment efficiency, product properties, production capacity and energy saving and consumption reduction play a vital role. The liquid level measurement of saturated or supersaturated corrosive salt solution and salt slurry tank is also an important content in the production process. [0...

Claims

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