Sedimentation device

A settling device and gravity settling tank technology, applied in settling tanks, inorganic chemistry, molybdenum compounds, etc., can solve the problems of laborious and laborious manual cleaning, large area for settlement tanks, etc., to reduce construction area, improve utilization rate, The effect of improving economic efficiency

Inactive Publication Date: 2013-04-03
JIANGXI RARE EARTH & RARE METALS TUNGSTEN GRP
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a settling device, which overcomes the shortcomings of the original settling tank, which takes up a large area and needs manual cleaning.

Method used

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  • Sedimentation device
  • Sedimentation device

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Embodiment approach

[0012] This embodiment uses two gravity settling tanks. The production process of ammonium tetramolybdate: molybdenum concentrate is used as raw material, so it must be roasted to separate the molybdenum and sulfur in molybdenum disulfide, so that the molybdenum disulfide insoluble in ammonia can be converted into trioxide which is easily soluble in ammonia after roasting molybdenum. It must be heated to make it burn during roasting. The factors affecting the quality of molybdenum oxide during roasting are the temperature and the size of oxygen supply. Air compression blowing and induced draft fans are generally used for oxygen supply. The use of induced draft fans must take away some dust and sublimated molybdenum trioxide during the roasting process. In the recovery of dust and sublimated molybdenum trioxide, a cooling spray device is usually used to spray and settle the recovered dust and sublimated molybdenum trioxide, so that the solid-liquid mixture with dust and molybd...

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Abstract

The invention discloses a sedimentation device which is characterized by comprising a water inlet pipe, an outer partition groove, a gravity sedimentation groove, a water outlet pipe and a conical groove; the water inlet pipe is installed in the gravity sedimentation groove; the bottom part of the outer partition groove and the outer part of the gravity sedimentation groove are connected; the water outlet pipe is connected with the outer partition groove; the conical groove is connected with the gravity sedimentation groove; the edge of the gravity sedimentation groove is lower than the edge of the outer partition groove; and a solid-liquid mixture outlet pipe below the conical groove is connected with a solid-liquid separation device. The sedimentation device can recover valued or harmful solid phase media in a solid-liquid mixture in flue gas spraying and sewage purification in each industry, and is beneficial to relieving labor intensity, improving the economic benefit, improving the device utilization ratio, and reducing the construction area of the device during the recovery process.

Description

technical field [0001] The invention relates to a settling device for metallurgy and chemical industry. Background technique [0002] When flue gas spraying and sewage purification are performed as required, sedimentation tanks are usually used for treatment. Depending on the height difference between the gaps in multiple pools, the solid-liquid mixture flows from the first pool to the last pool, and the solid phase is separated by flow and gravity. Stay in the pool, the liquid is recycled or processed in the next process. After a period of time, when the solid sediment in the pool accumulates too much, it must be cleaned up. Generally, manual cleaning is used, which increases labor intensity during the cleaning process, pollutes the environment, and reduces equipment. The utilization rate increases the construction area of ​​the equipment. Contents of the invention [0003] The object of the present invention is to provide a settling device, which overcomes the shortcomi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D21/02C01G39/00
Inventor 冷怀恩徐双刘剑
Owner JIANGXI RARE EARTH & RARE METALS TUNGSTEN GRP
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