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Production line for preparing nano lithium iron phosphate from titanium dioxide byproduct waste ferrous sulfate

A technology of ferrous sulfate and lithium iron phosphate, applied in nanotechnology, phosphorus compounds, inorganic chemistry, etc., can solve problems such as ecological environment problems, waste of iron resources, pollution, etc., and achieve the effect of improving rate performance and saving waste

Active Publication Date: 2022-07-05
LANZHOU LANSHI ZHONGKE NANOTECHNOLOGY CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0002] The by-product ferrous phosphate produced in the industrialization of titanium dioxide is a kind of industrial waste. At present, it is accumulated in the form of inventory, which not only causes low utilization rate of iron resources and waste of land resources, but also causes environmental problems such as dust, water source and soil pollution. A large amount of waste ferrous sulfate stockpiling not only causes ecological and environmental problems, but also wastes iron resources due to the stockpiling of secondary waste ferrous sulfate

Method used

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  • Production line for preparing nano lithium iron phosphate from titanium dioxide byproduct waste ferrous sulfate
  • Production line for preparing nano lithium iron phosphate from titanium dioxide byproduct waste ferrous sulfate
  • Production line for preparing nano lithium iron phosphate from titanium dioxide byproduct waste ferrous sulfate

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Embodiment 1

[0072] A production line for preparing nano-lithium iron phosphate from titanium dioxide secondary waste ferrous sulfate described in the present invention, such as Figure 1-11 As shown, including purification system, oxidation system, batching system, synthesis system, aging system, filtration system, drying system, and lithium-doped system; wherein,

[0073] Purification system, including dissolving tank 3 and pre-filter 5;

[0074] The dissolving tank 3 is equipped with a stirrer 7 at the upper end. Steam is passed through, and deoxygenated water is introduced. After the titanium dioxide secondary waste ferrous sulfate is stirred into the tank, the ferrous sulfate solution and the tank washing sewage are discharged from the tank. The dissolving tank adds an iron powder feeding port. When the white auxiliary waste is dissolved, the titanium in the titanium dioxide auxiliary waste can be extracted at the same time; the tank body is equipped with a pH meter 2 of the dissolution...

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Abstract

The invention discloses a production line for preparing nano lithium iron phosphate from titanium dioxide byproduct waste ferrous sulfate. The system comprises a purification system, an oxidation system, a batching system, a synthesis system, an aging system, a washing and filtering system, a drying system and a lithium doping system. According to the invention, accurate raw material preparation, uniform solution stirring, protection gas oxidation prevention and self-cleaning function are realized, flow, pressure, pH, temperature and the like can be monitored online or remotely, and the purpose of low-cost, continuous and large-scale production of nano ferrous phosphate is achieved.

Description

technical field [0001] The invention belongs to the technical field of new materials, and relates to a production line for producing nano-lithium iron phosphate with ferrous sulfate, a by-product waste in the industrial production of titanium dioxide, in particular to a production line for preparing nano-iron phosphate by a titanium dioxide secondary waste ferrous sulfate Lithium production line. Background technique [0002] The by-product ferrous phosphate produced in the industrialization of titanium dioxide is an industrial waste, which is accumulated over time in the form of inventory. The large amount of waste ferrous sulfate storage not only causes ecological and environmental problems, but also wastes iron resources due to the storage of secondary waste ferrous sulfate. SUMMARY OF THE INVENTION [0003] In order to solve the above-mentioned problems existing in the prior art, the purpose of the present invention is to provide a production line for preparing nano-l...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C01B25/45B82Y40/00
CPCC01B25/45B82Y40/00Y02E60/10
Inventor 杨耀华侯晓刚曾能施本义谢小明李建仓徐艳王卫军白刚刚刘文静
Owner LANZHOU LANSHI ZHONGKE NANOTECHNOLOGY CO LTD
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