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Recovery system and method of magnetized cinder of high-Fe sulfuric acid

A technology of sulfuric acid and high-speed iron, applied in chemical instruments and methods, sulfur compounds, inorganic chemistry, etc., can solve the problems of poor sealing performance of cooling drums, frequent maintenance, and damage to the surrounding environment, saving water resources and water treatment investment, Reduce corrosion and environmental pollution, eliminate the effect of polluting the environment

Active Publication Date: 2014-05-14
ZHAOYUAN ZHAOJIN JINHE TECH
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Problems solved by technology

The disadvantage is that the use of water resources to indirectly cool the slag, not only the cooling effect is poor, the equipment is severely corroded, frequent maintenance, waste of resources, and the cooling drum is not well sealed, causing dust to fly and seriously endangering the surrounding environment

Method used

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  • Recovery system and method of magnetized cinder of high-Fe sulfuric acid
  • Recovery system and method of magnetized cinder of high-Fe sulfuric acid
  • Recovery system and method of magnetized cinder of high-Fe sulfuric acid

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Embodiment Construction

[0017] The principles and features of the present invention are described below in conjunction with the accompanying drawings, and the examples given are only used to explain the present invention, and are not intended to limit the scope of the present invention.

[0018] A recovery system for ferric sulfuric acid magnetized slag, comprising a sulfur concentrate acid system, a cooling system and a slag delivery system, the sulfur concentrate acid system consists of a roaster 1, a waste heat boiler 2, a cyclone dust collector 3 and The electric dust collector 8 is composed of the roasting furnace 1, the waste heat boiler 2, the cyclone dust collector 3 and the electric dust collector 8 are connected by pipelines in sequence;

[0019] The cooling system is composed of calcined sand heat exchanger I9, calcined sand heat exchanger II10, high-temperature slag intermediate bin 11, low-temperature slag intermediate bin 12 and fan 17, wherein the slag inlet of calcined sand heat exchan...

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Abstract

The invention belongs to the technical field of cinder recovery, and particularly relates to a recovery system and method of magnetized cinder of high-Fe sulfuric acid. The recovery system comprises a sulfur concentrate acid preparing system, a cooling system and a cinder conveying system, wherein the magnetized cinder obtained after sulfur concentrate is processed in a roasting furnace is respectively treated by a waste heat boiler, a cyclone dust collector, an electric dust collector, a cinder heat exchanger, pneumatic transmission and the like, and high temperature cinder is cooled and recovered. The magnetized cinder provided by the invention is conveyed in a pneumatic manner, thereby not only thoroughly eliminating the environmental pollution caused by the conventional cooling and humidifying process, but also saving a lot of water resources and water treatment investment. The obtained magnetized cinder does not need to be dried, thereby effectively avoiding energy consumption for oxidization and subsequent drying of the magnetized cinder.

Description

technical field [0001] The invention belongs to the technical field of slag recovery, and in particular relates to a recovery system and a recovery method for ferric sulfuric acid magnetized slag. Background technique [0002] The traditional high-sulfur concentrate roasting device adopts the dry discharge process. The slag produced by the roasting furnace, waste heat boiler, cyclone dust collector, and electric dust collector is lowered to about 400°C by the buried scraper conveyor, and then Send it to the submerged cooling drum through the star feeder for cooling, and then transfer it to the humidifier for humidification after the temperature drops to about 100°C. The humidified slag passes through the product workshop silo of the large-inclination belt conveyor, and its Process flow chart such as figure 1 shown. The disadvantage is that the use of water resources to indirectly cool the slag, not only the cooling effect is poor, the equipment is severely corroded, freque...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22B1/02C01B17/74B65G53/00
CPCY02P10/20Y02P20/10Y02P20/129
Inventor 王立新赵军魏晋栾东武李俊皓
Owner ZHAOYUAN ZHAOJIN JINHE TECH
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