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Vertical solid/liquid mixing devcie and method

A solid-liquid mixing, vertical technology, applied in mixing methods, mixers, chemical instruments and methods, etc., can solve the problems of inlet blockage, difficulty in dispersing and mixing powder, splashing, etc., and achieves blocking powder flying, simple structure, High mixing efficiency

Inactive Publication Date: 2007-10-10
CHINA COAL RES INST +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, since the powder feeding port of the mixing device is connected to the powder inlet through a valve, the liquid medium will splash fine droplets under the action of the stirring paddle, which will easily cause the powder to form a lump at the inlet. The inlet is blocked, even if it is not blocked, the formed powder group will peel off under the action of vibration, and it will be very difficult to disperse and mix the formed powder group

Method used

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  • Vertical solid/liquid mixing devcie and method
  • Vertical solid/liquid mixing devcie and method
  • Vertical solid/liquid mixing devcie and method

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Embodiment Construction

[0019] The present invention will be further described below in conjunction with the detailed description of specific embodiments of the present invention, but the embodiments are not limitations of the present invention.

[0020] The vertical solid-liquid mixing device of the present invention mainly includes a mixing chamber 15 surrounded by a cylinder body 10. A powder feed port 14, a liquid feed port 3, a discharge port 11, and an exhaust port 2 are arranged on the cylinder body 10. There is a rotating shaft 7 in the center of the cylindrical body 10 . A dynamic liquid distribution plate 4 is arranged below the liquid feed port 3 and above the powder feed port 14. The dynamic liquid distribution plate 4 is fixed on the rotating shaft 7 and slopes downward at a certain angle β toward the middle, where β is 10 °~30°, the best is 12°~18°. Have 10~40 holes of 0.5~5mm on the dynamic liquid distribution plate 4, comparatively suitable with opening 15~28 holes. The ratio of the...

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Abstract

The vertical solid-liquid mixer includes mainly mixing chamber cylinder with powder inlet, liquid inlet, discharge port and gas outlet; rotating shaft in the center of the cylinder; mixing vane wheels fixed onto the rotating shaft and with scraper group; and baffle plates inside the cylinder to separate the chamber into several stirring rooms. The scrapers have outer edge 1-15 mm apart from the inner wall of the cylinder and in the linear speed of 3-20 m / s. The present invention has the features of high mixing efficiency and homogeneous material mixing, and is suitable for continuous operation. The present invention has dynamic liquid distributing board with excellent effects of avoiding powder flying and homogenizing liquid.

Description

technical field [0001] The invention relates to a solid-liquid mixing device and a method for mixing powder and liquid by using the mixing device. Specifically, it relates to a mixing device and a mixing method of a catalyst and mineral spirits. Background technique [0002] Commonly used solid-liquid two-phase mixing generally uses the two materials to be added to the reactor separately, and then mixed by mechanical stirring or bubbling stirring. For powders with fine particle size, especially powders with a particle size of less than 100 mesh, it is easy to "wrap" when mixed with liquid, that is, when fine powder is mixed with liquid, the liquid only dissolves the surface of the powder block and cannot penetrate into the powder. Inside the body, secondary agglomerated particles (ie powder clusters) of the powder are generated, and it is very difficult to redisperse the generated secondary agglomerated particles into the liquid. In actual use, when coal powder of less tha...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01F7/18B01F3/12
Inventor 李文博舒歌平章序文李克健霍卫东何平何建铧费利江
Owner CHINA COAL RES INST