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Method and apparatus for separating gaseous component

A component and gaseous technology, applied in separation methods, dispersed particle separation, chemical instruments and methods, etc., can solve problems such as high noise load, high space location requirements, unfavorable compressors, etc., and achieve low operation and investment costs Effect

Inactive Publication Date: 2012-01-18
PRIMETALS TECH AUSTRIA GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The use of compressors for generating the lowest possible desorption pressures is not advantageous because they are not maintenance-free, cause high investment and energy costs, have a high space requirement and also cause high noise load

Method used

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  • Method and apparatus for separating gaseous component
  • Method and apparatus for separating gaseous component
  • Method and apparatus for separating gaseous component

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Embodiment Construction

[0031] The direction of flow is indicated below by arrows.

[0032] exist figure 1 shows a smelting reduction plant for the production of liquid pig iron on the basis of fine ore. If necessary, the fine ore is treated with additives in a cascade consisting of a plurality of pre-reduction reactors 3 (four vortex bed reactors are shown, 2 or 3 vortex bed reactors can also be used optionally). pre-reduced and subsequently loaded into reduction reactor 2. The loaded material is further reduced and preheated in the reduction reactor 2 . However, it is also possible to dispense with further reduction in the reduction reactor 2 , whereby the gas scrubber 4 and the line for the top gas 13 are omitted. The pre-reduction in the pre-reduction reactor 3 or the reduction in the reduction reactor 2 is carried out by means of the reducing gas 9 produced in the melter-gasifier 1, which is introduced into the reduction reaction after dedusting 2 and lead successively through individual pre...

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Abstract

The invention relates to a method and an apparatus for separating at least one gaseous component from a waste gas (14) in a plant for producing molten pig iron (24), preliminary molten steel products, or sponge iron. In a first step of said method, a stream of the waste gas (14) penetrates at least one adsorption separator (16) at a first pressure such that most of the gaseous component is separated from the waste gas (14), and in a second step, most of the gaseous component is removed from the adsorption separator (16) at a second pressure that is lower than the first pressure. The aim of the invention is to devise a method and design an apparatus that require no maintenance, low investment and energy costs, and little space. Said aim is achieved by a method in which the second pressure or desorption pressure is generated by at least one jet pump (7), to which a stream of a propellant gas (28) is fed at a third pressure exceeding the second pressure.

Description

technical field [0001] The invention relates to a method and a device for separating at least one gaseous component from exhaust gases of plants for the production of liquid pig iron, liquid steel pre-products or sponge iron. [0002] In particular, the invention relates to a method for separating at least one gaseous component from exhaust gases of plants for producing liquid pig iron, liquid steel pre-products or sponge iron, wherein in a first step The gas stream of the exhaust gas is passed through at least one adsorption separator at a first pressure, whereby the gaseous constituents are largely separated from the exhaust gas, and in a second step the gaseous constituents are separated in a specific The second pressure lower than the first pressure is mostly removed from the adsorption separator. [0003] A device for carrying out such a method has at least one adsorption separator and at least one device for generating a desorption pressure. Background technique [0...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D53/047
CPCB01D53/0446C21B2100/04B01D2253/108B01D2253/106B01D2259/402C21B2100/06C21B2100/02B01D2257/80B01D2253/102B01D53/047C21B5/06C21B13/0073B01D2256/22B01D2259/40056C21B2100/28C21B2100/282C21B2100/64Y02P10/122Y02P10/134Y02P10/25C21B2100/20
Inventor R.米尔纳N.赖因G.罗森福尔纳
Owner PRIMETALS TECH AUSTRIA GMBH
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