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Multi-layer rotating disc thin-layer chemical reactor and using method thereof

A rotating disk and reactor technology, applied in chemical instruments and methods, chemical/physical/physicochemical stationary reactors, separation methods, etc., can solve problems such as insufficient mixing reactions, facilitate processing, and enhance mass transfer rate , the effect of reducing the pressure drop

Active Publication Date: 2020-08-07
宁波巨谷智能装备有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In this patent, the fluid material is cut by the upper rotating body, then cut by the lower annular rotating body and finally flows out, but the mixing chamber of the device cannot form a gap-shaped cavity, so the mixing reaction is not sufficient

Method used

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  • Multi-layer rotating disc thin-layer chemical reactor and using method thereof
  • Multi-layer rotating disc thin-layer chemical reactor and using method thereof
  • Multi-layer rotating disc thin-layer chemical reactor and using method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0052] First prepare stock solution, CuSO 4 ·5H 2 O and Fe 2 (SO 4 ) 3 Dissolved in deionized water to obtain a concentration of Cu 2+ =1.0 g / l, Fe 3+ =3.0 g / l aqueous solution, adjust its pH value to 1.8 with sulfuric acid; at the same time, use Lix985 copper extractant and sulfonated kerosene to obtain an organic phase with a volume fraction of 20%. Equipment parameters: single-layer rotating disk reactor, the angle of the 4 inner rotating disks is 10°, the diameter of the 4 inner rotating disks is 300mm, and the distance between the two disks is 10mm.

[0053] Test conditions: the rotation speed of the inner turntable 4 is 350r / min; the flow rate of the organic phase is 1200mL / min, the flow rate of the aqueous phase is 580mL / min, and the temperature is 20°C.

[0054] Test results: ICP was used to analyze the content of copper ions and iron ions in the raffinate, and the extraction rate of copper was calculated to be 99.9%, while iron ions were hardly extracted into th...

Embodiment 2

[0056] First prepare the stock solution, the In 2 (SO 4 ) 3 , ZnSO 4 ·7H 2 O and Fe 2 (SO 4 ) 3 Dissolved in deionized water to obtain a concentration of In 2+ =1.0 g / L, Zn3+=3.0g / L, Fe 3+ =5.0 g / L aqueous solution, adjust its pH value to 1.8 with sulfuric acid; at the same time, use P204 extractant and sulfonated kerosene to obtain an organic phase with a volume fraction of 30%. Equipment parameters: three-layer rotating disk reactor, the angle of the 4 inner rotating disks is 90°, the diameter of the 4 inner rotating disks is 1m, and the distance between the two disks is 5mm.

[0057] Test conditions: the rotation speed of the inner turntable 4 is 500r / min; the flow rate of the organic phase is 10L / min, the flow rate of the aqueous phase is 5L / min, and the temperature is 20°C.

[0058] Test results: ICP was used to analyze the content of copper ions and iron ions in the raffinate, and the calculated extraction rate of In was 99.9%, the extraction rate of iron ions w...

Embodiment 3

[0060] A pilot test of denitrification was carried out for the flue gas produced in an iron ore sintering workshop after dust removal and desulfurization, and the absorption liquid was prepared as 0.05mol / L NaOH and 0.05mol / LH 2 o 2 100m 3 ;

[0061] Equipment parameters: object-layer rotating disk reactor, the angle of the 4 inner rotating disks is 90°, the diameter of the 4 inner rotating disks is 1.5 m, and the distance between the two disks is 15 mm.

[0062] Test conditions: the speed of the inner turntable 4 is 600r / min; the NOx flow rate is 1200m 3 / h The flow rate of the water phase of the absorption liquid is 5L / min, the two phases are contacted and mixed in countercurrent, the temperature is about 30°C, and the test is continued for 24h.

[0063] The test results are: the average NOx absorption efficiency can reach more than 90%, the average NOx content before the denitrification operation is 830ppm, and the average NOx content in the flue gas is lower than 50ppm...

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Abstract

The invention discloses a multi-layer rotating disc thin-layer type chemical reactor and a using method thereof. The chemical reactor comprises a shell; an outer fixed disc is fixedly arranged in theshell; at least one discharge hole is formed, a rotating shaft is arranged in the center of an inner cavity of the outer fixed disc, a plurality of layers of inner rotating discs are fixed on the rotating shaft, the inner rotating discs are gap type cavities which are consistent with the inner rotating discs and the rotating shaft in shape, and the outer fixed disc inner cavity and the inner rotating discs are used for mixing materials of all phases and have narrow gaps; the upper surface and the lower surface of the inner rotating disc are both inclined faces inclining outwards from the rotating shaft. The inner rotating disc and the outer fixed disc are matched to form a narrow zigzag cavity to form a Z-shaped or S-shaped mixing chamber, so that the reaction surface area is increased, the reaction time is prolonged, the mass transfer rate is increased, and the reaction rate is increased; according to the invention, two operation modes of forward flow and reverse flow can be realized,especially under the condition of large specific gravity difference, the reverse flow operation can be realized, and the separation or reaction efficiency is improved.

Description

technical field [0001] The invention belongs to the technical field of chemical equipment, and in particular relates to a multi-layer rotating disk thin-layer chemical reactor and a use method thereof. Background technique [0002] The uniform mixing of two immiscible phases has always been a difficult industrial process in the industrial production of chemical, biological, petroleum, metallurgical and other industries. The vast majority of chemical reactions and separation processes involve single-phase or multi-phase mass transfer processes, such as gas-liquid reactions such as distillation, gas stripping, aeration, and gas elution. The oil-water two-phase used for solvent extraction of metal ions is also multi-phase. phase process. In these reactions and processes, only by ensuring a high mixing intensity can they be dispersed into small droplets that are separated from each other, and a high interface volume ratio can be achieved, so that the reaction or separation proc...

Claims

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Application Information

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IPC IPC(8): B01J19/18B01D53/78B01D53/56B01D11/04
CPCB01J19/18B01D11/04B01D53/56B01D53/78
Inventor 巨少华
Owner 宁波巨谷智能装备有限公司
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