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Patent Searching and Data


Title:
DUAL HEAT SOURCE SWIRL FLASH CALCINATION SYSTEM AND DUAL HEAT SOURCE SWIRL FLASH CALCINATION METHOD
Document Type and Number:
WIPO Patent Application WO/2020/134535
Kind Code:
A1
Abstract:
The present invention provides a dual heat source swirl flash calcination system, comprising a drying unit, an unloading bin, a frequency-controlled rotary feeder, a Venturi feeder, a flash calcination unit, and a cyclone secondary heating material collection unit that are connected in sequence, and also comprising a material cooling unit, a first flue gas treatment unit, and a hot blast stove. One path of the hot blast stove is connected to the high temperature flue gas inlet of the flash calcination unit to complete first calcination reaction, and the other path is connected to the material outlet of the flash calcination unit to complete second calcination reaction. The Venturi feeder is connected to a pneumatic conveying unit. The material cooling unit is connected to a bottom cone. The present invention also provides a dual heat source swirl flash calcination method. The present invention features a short powder calcination time, powder calcination sufficiency and uniformity, and high activity of lime after calcination, achieves low energy consumption, solves the limitation problem of the material of the flash calcination unit, avoids the blocking problem of the flash calcination unit, and prolongs the service life of the flash calcination unit.

Inventors:
ZHANG LINJIN (CN)
PANG HUANJUN (CN)
MAN YI (CN)
SHEN HAO (CN)
ZHAO BAO (CN)
TANG DAN (CN)
Application Number:
PCT/CN2019/114615
Publication Date:
July 02, 2020
Filing Date:
October 31, 2019
Export Citation:
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Assignee:
JIANGSU ZHONGSHENGYUAN TECH CO LTD (CN)
International Classes:
F27B19/04; C04B2/10; F26B21/14
Foreign References:
CN209386798U2019-09-13
CN107324670A2017-11-07
CN105950889A2016-09-21
CN106766865A2017-05-31
CN106007415A2016-10-12
CN208218697U2018-12-11
US4321239A1982-03-23
Attorney, Agent or Firm:
NANJING JIUZHI INTELLECTUAL PROPERTY FIRM (GENERAL PARTNERSHIP) (CN)
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