# Simple Filters for Simple Fire Systems

**URL:** http://forum.driveonwood.com/t/simple-filters-for-simple-fire-systems/956
**Category:** Charcoal Gasification
**Created:** [October 4, 2013, 10:59am UTC](http://forum.driveonwood.com/t/simple-filters-for-simple-fire-systems/956 "2013-10-04T10:59:32Z")
**Posts on this page:** 1
**Showing post:** 61

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### Author: ![bsoutherland](https://avatars.discourse-cdn.com/v2/letter/b/45deac/32.png) [@bsoutherland](http://forum.driveonwood.com/u/bsoutherland)
#### Post date: [June 28, 2018, 1:42am UTC](http://forum.driveonwood.com/t/simple-filters-for-simple-fire-systems/956/61 "2018-06-28T01:42:52Z")

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I was reading down through this old topic as I’m designing a new gasifier for Africa. This discussion went a little sideways about the difficulty starting up on previously run charcoal. Then I saw this screw in earth anchor at tractor supply.

 ![IMG_20180627_180211533](http://forum.driveonwood.com/uploads/default/original/3X/1/d/1d5c458be3860f2ff76761accbfa6c842567582e.jpg)  
I thought it might auger down to the nozzle in my MGB to lift old charcoal away and let fresh char fall into place.  
 ![IMG_20180627_174735390_HDR](http://forum.driveonwood.com/uploads/default/original/3X/a/8/a8cb7e15ea55dcf5b78f7e8b293410daa3d5ec10.jpg)  
 ![IMG_20180627_174756715](http://forum.driveonwood.com/uploads/default/original/3X/a/d/ad66a326a58e929069e01ae0fb2a7eba28015fd9.jpg)  
After giving it a try, I made this modification:  
 ![IMG_20180627_194309446](http://forum.driveonwood.com/uploads/default/original/3X/4/9/495b004f8536b84b5adf93e36a89b74b5c065d02.jpg)

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