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A magnetic fluidized bed device, a control method and a test method using the device

By designing the electromagnetic coil, controllable power supply and sensor system in the magnetic fluidized bed device, automatic control of the magnetic field and temperature is achieved, which solves the insufficient utilization of thermal energy and control problems in the existing technology, and improves the efficiency of sewage treatment and the stability of the device. sex.

Inactive Publication Date: 2016-09-21
JIANGSU UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] As we all know, electromagnetic coils can not only generate magnetic fields, but also generate heat, and the magnetic fluidized bed device that uses the heat generated by it at the same time has its operation and test methods that have not been studied at home and abroad.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0047] Such as figure 1 , This embodiment is an anaerobic magnetic fluidized bed sulfur autotrophic bioreactor, which is used to simultaneously remove nitrate and phosphorus in water. The device includes: bed body 1, bed material 2, fluid inlet 3, fluid outlet 4, a set of electromagnetic coils 5, a temperature instrument 6, a fluidization state instrument 7, a controllable power supply 8, a controller 9, and an insulation layer 10 , a cooling jacket 11, a cooling medium outlet 12, a cooling medium outlet 13, a cooling electric control valve 14, a sieve plate 15, a flow stabilizer 17, and an exhaust port 18.

[0048] The bed body 1 is composed of an upper head, a cylinder body and a lower head; the lower part of the lower head is equipped with a fluid inlet 3, the upper head is equipped with a fluid outlet 4 and an exhaust port 18, and the fluid outlet 4 is equipped with a filter net, and the upper seal The head and the lower head are made of transparent plexiglass, and the cy...

Embodiment 2

[0054] Such as figure 2 , This embodiment uses magnetic fluidized bed as a chemical mixing reaction device for treating nitrobenzene sewage. The device includes: bed body 1, bed material 2, fluid inlet 3, fluid outlet 4, three sets of electromagnetic coils 5, a temperature instrument 6, a fluidization state instrument 7, three controllable power supplies 8, controller 9, insulation layer 10. Sieve plate 15, flow stabilizer 17, exhaust port 18, return valve 20, water inlet valve 21, bed bottom valve 22, exhaust valve 23, return pipe 24.

[0055] The bed body 1 is composed of an upper head, a cylinder body and a lower head; the upper head is equipped with a fluid outlet 4 and an exhaust port 18, the exhaust port 18 is connected to the inlet of the exhaust valve 23, and the lower part of the lower head is equipped with a fluid inlet 3. Fluid inlet 3 is connected to tee A, and the other two joints of tee A are respectively connected to the inlet of bed bottom valve 22 and the ou...

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PUM

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Abstract

The invention discloses a magnetically fluidized bed device. The magnetically fluidized bed device comprises a magnetically fluidized bed body, one or more groups of electromagnetic coils arranged outside the magnetically fluidized bed body, a controllable power supply connected with the electromagnetic coils, a controller, a fluidized state instrument, a temperature instrument and a current stabilizer, wherein the fluidized state instrument and the temperature instrument are connected with the magnetically fluidized bed body respectively; a fluid outlet and a fluid inlet are formed in the magnetically fluidized bed, an exhaust port is formed at the top end of the magnetically fluidized bed, the current stabilizer is arranged at the position of the fluid inlet, a sieve plate is arranged under the inside of the fluidized bed, a granular magnetic bed material is distributed above the sieve plate, and the controllable power supply, the fluidized state instrument, the temperature instrument are connected with the current stabilizer and the controller respectively, and a heat conduction layer is arranged at the contact part of the fluidized bed and the inner coil of the electromagnetic coil. A control method that the magnetically fluidized bed device is utilized to generate the magnetic field and thermal energy is fully utilized is adopted, the energy consumption is reduced, the safety is improved and automatic control is achieved.

Description

technical field [0001] The invention relates to a magnetic fluidization device used in chemical and biological engineering, in particular to a magnetic fluidization device which utilizes an electromagnetic coil to generate a magnetic field. Background technique [0002] Reaction, mixing or separation are the main processes in chemical and biological engineering. The fluidized bed is a kind of gas or liquid passing through the granular solid layer to keep the solid particles in suspension, and to carry out gas-solid or liquid-solid phase reactions, Apparatus for mixing or separating processes. Compared with centrifugal, vibrating and acoustic fluidized beds, Magnetically Fluidized Bed (MFB) is a solid-liquid phase treatment system that introduces an external magnetic field into an ordinary fluidized bed and uses magnetically sensitive particles as the bed medium. , is the product of the combination of fluidization technology and electromagnetic technology. It has the advanta...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01J19/12G05B19/418
CPCB01J8/24B01J19/0033B01J19/004B01J19/087B01J19/12B01J2208/00008B01J2208/00433B01J2219/00049B01J2219/00139B01J2219/0801B01J2219/0854G05B19/418Y02P80/10Y02P90/02
Owner JIANGSU UNIV OF SCI & TECH