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System and method for filtering a gas-solids mixture

A technology of mixtures and solids, applied in chemical instruments and methods, separation methods, filtration and separation, etc., can solve problems such as clogged filter elements

Active Publication Date: 2018-11-23
AIR PROD & CHEM INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, during use, ash builds up on the support structure and at some point begins to clog the lower ends of at least some of the filter elements, necessitating a shutdown for maintenance and manual cleaning of the support structure

Method used

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  • System and method for filtering a gas-solids mixture
  • System and method for filtering a gas-solids mixture
  • System and method for filtering a gas-solids mixture

Examples

Experimental program
Comparison scheme
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Embodiment Construction

[0041] figure 1 An example of a high temperature and high pressure fly ash filtration system 300 is shown. The filter system 300 comprises a housing 302 comprising, for example, a cylindrical wall portion 304 closed at its upper end by a dome-shaped cover 306 and connected at its lower end to a dust collector 308 having a conical shape.

[0042] The housing 302 may be divided into a raw gas chamber 310 and a clean gas chamber 312 by a tube sheet 314 spanning the entire cross-section of the cylindrical wall portion 304 at the upper end of the cylindrical wall portion 304 .

[0043] The raw gas chamber 310 is accessible via a feed gas inlet 316 through which raw gas may be introduced into the raw gas chamber 310 . The dome-shaped portion 306 of the housing 302 includes a cleaning gas outlet 318 through which cleaning gas can exit. Note that the gas flow could also be reversed, ie, enter through conduit 318 and exit through conduit 316 .

[0044] The tube sheet 314 includes a ...

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PUM

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Abstract

A system (300) for filtering a gas-solids mixture, comprises: a housing (302); a separating body dividing the housing (302) in a raw gas chamber (310) and a clean gas chamber (312), the raw gas chamber (310) being accessible via an inlet for the gas-solids mixture and the clean gas chamber (312) comprising an outlet for discharging a cleaned gas; a number of filter elements suspended from the separating body; lower ends of the filter elements being connected to a support grid (360), the support grid (360) comprising a number of arms; one or more cleaning elements (380) provided on the arms ofthe support grid (360) for cleaning thereof.

Description

technical field [0001] The present invention relates to a system and method for filtering gas-solid mixtures. The gas-solid mixture may include syngas produced by a gasification system. Background technique [0002] Gasification systems typically include reactors or gasifiers to convert carbonaceous species into carbon monoxide (CO) and hydrogen (H 2 )mixture. The mixture may also include some carbon dioxide (CO 2 ). This is achieved by reacting the substance with controlled amounts of oxygen and / or steam at elevated temperatures (typically in excess of 700°C) without combustion. Gasification reactions may be referred to as partial combustion or partial oxidation. The resulting gas mixture may be referred to as syngas, synthesis gas, synthetic gas, or producer gas, and is itself a fuel. [0003] Syngas can be used, for example, to produce synthetic fuels (such as diesel, gasoline, or synthetic methane), chemicals (such as methanol or ammonia), waxes, or power (typicall...

Claims

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Application Information

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IPC IPC(8): B01D46/00B01D50/00
CPCB01D2265/06B01D46/2407B01D46/71B01D46/72B01D46/76B01D46/0008B01D2201/0415B01D2267/30B01D2267/60
Inventor 王国强C-K.黄L.扎尔曼
Owner AIR PROD & CHEM INC