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Antimonous oxide powder crystallization system

A technology of antimony trioxide and crystallization system, which is applied in the directions of crystallization separation, antimony oxide/antimony hydroxide/antimony oxyacid, heat exchange cooling crystallization, etc. The two antimony production lines cannot meet the problems such as the inability to adjust and control the particle size, so as to avoid the difficulty of capital turnover in the industry, the product indicators are stable and the standard is reached, and the particle size can be adjusted flexibly.

Active Publication Date: 2018-10-09
广东宇星阻燃新材股份有限公司
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Problems solved by technology

[0004] Therefore, the object of the present invention is to provide a crystallization system of antimony trioxide powder, which can solve the problem that the production line of antimony trioxide cannot meet the production requirements of products of different specifications and the small cooling temperature gradient and the variety of crystal forms in the production process. Problems of complexity, unstable whiteness, and non-adjustable control of particle size

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  • Antimonous oxide powder crystallization system
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Embodiment Construction

[0016] The technical solutions in the embodiments of the present invention will be described clearly and completely below, obviously, the described embodiments are only some of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0017] Specific embodiments of the present invention will be described below in conjunction with the accompanying drawings.

[0018] figure 1 with figure 2 Shown is a kind of antimony trioxide powder crystallization system, comprises antimony white furnace 1, reactor 2, crystallizer 3 and powder collector 4, and described antimony white furnace 1, reactor 2, crystallizer 3 and powder The body collector 4 is connected sequentially; the antimony white furnace 1 is provided with an air duct 12 and a feed port 11, and a va...

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Abstract

The invention provides an antimonous oxide powder crystallization system. The antimonous oxide powder crystallization system comprises an antimony white furnace, a reactor, a crystallizer and a powdercollector, wherein the antimony white furnace is provided with an air hose and a feeding opening, a frequency conversion adjustable draught fan is arranged between the reactor and the crystallizer, the crystallizer and the powder collector are connected in a sleeving way and are fixed by using a regulating mechanism, and a low temperature air hose is arranged on the crystallizer. The length of the crystallizer is adjustable, the dwell time of an antimonous oxide material in a crystallization forming section is convenient to control, the crystal form and the grain size of an antimonous oxide power are further controlled, the product specifications of the antimonous oxide are guaranteed to be flexibly regulated on the same production line, the conversion of the crystal form is complete, theproduct quality is further controlled, the low-efficiency investment is avoided, the equipment production line is prevented from being left unused and being wasted, the difficulty in fund flow of theindustry is avoided, and due to the two-section air cooling mode, the whole system reaches rapid quenching, and the product index stably reaches the standard.

Description

technical field [0001] The invention belongs to the field of antimony trioxide preparation, and in particular relates to a crystallization system of antimony trioxide powder. Background technique [0002] Industrial antimony oxide production has a long history, mainly antimony trioxide, which is used in enamel, pigment, paint, plastic, glass, ceramics, papermaking, flame retardant and other industries, and can also be used as a catalyst. [0003] In the process of producing antimony trioxide powder in the existing industry, there are problems such as small cooling temperature gradient, complex crystal types, unstable whiteness, and uncontrollable particle size. Moreover, the specification structure of traditional production equipment cannot be adjusted. One production line can only produce one type of product. The adjustment of product specifications requires the construction of different production lines, which cannot flexibly respond to market demand, resulting in a large ...

Claims

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Application Information

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IPC IPC(8): C01G30/00B01D9/00
CPCB01D9/0004C01G30/005
Inventor 罗宏波甄利军
Owner 广东宇星阻燃新材股份有限公司
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