Magnetic stabilization catalytic reforming device and method

A technology of catalytic reforming and reforming device, which is applied in chemical instruments and methods, separation methods, catalytic conversion gas purification of impurities, etc., can solve the problems of difficult catalyst loading, uneven loading, and difficult maintenance, etc. The distribution density is controllable and the effect of prolonging life

Inactive Publication Date: 2012-12-12
DALIAN UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It solves the problem of low calorific value of raw fuel gas containing tar and other macromolecular organic substances, as well as the technical bottleneck of difficult loading, uneven loading and difficult maintenance of traditional catalysts

Method used

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  • Magnetic stabilization catalytic reforming device and method

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] The reforming device is placed vertically, and the end of the device is connected with the gas detection equipment; the outermost layer is a coil 13, the middle layer of the reforming device is an insulating layer 12, and the inner layer is a heating resistance wire 11 wrapped by insulating ceramics; the outermost layer is a coil 13. The coils of the first layer are not completely wrapped, and there is a part without coil wrapping on the upper part, forming a buffer cavity;

[0031] The material medium mixing unit is mainly composed of the feed port, the pressure flow meter 3 of the feed port, the reforming medium inlet, the pressure flow meter 3 of the medium inlet, the gas mixer 4 and the nozzle 5; the feed port 1 passes through the feed port The pressure flow meter 3 is connected to one of the air inlets of the nozzle 5; the gas mixer 4 is set at one end of the reforming medium inlet, and after the reforming medium inlet 2 passes through the pressure flow meter 3 of t...

Embodiment 2

[0035] The flow rate that can balance the gravity and magnetic force of the magnetic medium catalyst is defined as the critical flow rate, then the intake flow rate should be slightly greater than the critical flow rate, so that the magnetic medium will produce a slight disturbance when the fuel gas passes through, leaving a section on the upper part of the device without coil wrapping Part accounts for about 1 / 4 of the total length, so that the magnetic medium with a certain speed can be buffered and accelerated by gravity in this area and return to the magnetic field area. Reciprocating in this way, the full contact between the catalyst and the gas to be reformed is achieved, and the reaction is more complete. Thus, the conversion of the gas to be reformed and tar-containing gas, the removal of tar coke and the improvement of the calorific value of the fuel gas are achieved.

Embodiment 3

[0037] The preparation steps of the magnetic medium catalyst in this embodiment are:

[0038] On the surface of irregular iron, cobalt, nickel, iron oxide, iron-silicon alloy, ferrite, neodymium-iron-boron, and alnico magnetic media with a particle size of about 0.01-0.5mm in the shape of gravel, by impregnation, calcination, etc. A certain percentage load such as TiO 2 , NiO, CaO, CeO, Pt and other active substances.

[0039] Specific steps: Soak the magnetic medium particles in 10-30% concentration of metal salt solution with different components by dipping method, mainly including: Ni(NO 3 ) 2 , Fe(NO 3 ) 3 , Mg(NO 3 ) 2 , Cu(NO 3 ) 2 . Dried at 105-120°C, then calcined in a muffle furnace at 300-1000°C for 1-2 hours, and then reduced with 99% hydrogen at 300°C to prepare different materials The specific magnetic medium catalyst realizes the modification of the catalytic performance of the magnetic medium without affecting its magnetism, and makes a granular magne...

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Abstract

The invention relates to a magnetic stabilization catalytic reforming device and a method. The device comprises a material medium mixing unit, a partial oxidation unit, a magnetizing unit, a heating electric resistance wire and a temperature preservation layer; the outermost layer is a coil; the middle layer of the reforming device is the temperature preservation layer; the inner layer of the reforming device is the heat electric resistance wire wrapped by insulation ceramics; a reforming medium and a to-be-reformed gas is introduced into a nozzle of the magnetic stabilization catalytic reforming device under normal pressure or band pressure at a high speed, and eddy current is formed behind a turbulent current device; gas enters the reforming device above; under the effect of a catalyst, a magnetic medium wrapping active substances form medium nets which are distributed uniformly and densely under the disturbance of a stable axial magnetic field; and the gas is in fully contact with a magnetic medium catalyst so as to react and generate gases such as H2, CO, CH4, CO2 as well as alkane. According to the invention, the magnetic medium replaces the catalyst prepared by a traditional carrier, the problem that the deactivation catalytic performance of the catalyst is lowered is solved through removing the oil tar and coke which are attached on the surface of the catalyst at high temperature, the service lives of the catalyst and the carrier are prolonged, and the catalytic performance is improved.

Description

technical field [0001] The invention belongs to the comprehensive application field of macromolecular organic gas reforming method and magnetic stabilization field, has strong interdisciplinary nature, relates to a magnetically stable catalytic reforming method and device, and particularly relates to the treatment of organic waste, industrial organic waste, common Pyrolysis of solid organic fuels such as biomass and ordinary solid waste, gasification gas production, incineration gas, industrial tail gas, VOCs, organic gases and other crude gases for reforming. Background technique [0002] The annual output of waste gas, volatile organic compounds (VOCs), organic gas and organic solid fuel pyrolysis, gasification and combustion tail gas produced in the thermochemical conversion process is huge. The recovery, utilization and Transformation has important practical significance and is also of great value to environmental protection. At present, there are many conversion method...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10K1/00C10K1/34B01J8/08B01D53/86C01B3/32
Inventor 高宁博郝乔尹志凡李爱民
Owner DALIAN UNIV OF TECH
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