Fume Extractor

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Fume Extractor
Image 2.jpeg
Description Fume extractor is used in laboratories to extract harmful chemical fumes
Keywords 3D printing, laboratory fume extractor, filter, fan
Uses development, industry, education
Authors Bharath Sadashivaiah
Status Prototype
Made? Yes
Replicated? Was this project made independently by someone other than the authors and without their guidance? No
Countries of design United States
Affiliations Category:MTU
Category:MOST
Materials Fan
Filter
Plastic
Estimated cost USD $ 12.60
Sustainable Development Goals SDG08 Decent work and economic growth
Documentation data
Language English
Manifest data
Language English
Updated 2020-06-04
Author Kathy Nativi
Author affiliation Appropedia
Author email info@appropedia.org

This is a Fume extractor for laboratories to extract fumes of soldering. Below, i present a cheap and reliable alternative to $150-$300 commercial solutions.

Introduction[edit | edit source]

Fume extractor is used in laboratories to extract harmful chemical fumes. When I was working in an electronics lab, I had a lot of soldering to do and we had these fume extractors that cost upwards of $200. All these fume extractors were a fan and filter that sucked the soldering fumes. It surely was overpriced and I thought to myself that in developing countries, these expensive equipments won't be used leading to harmful working environments. A low cost solution would change this. So, I designed this shell that holds a filter and fan. The choice of filter is left to the user. The user can select carbon activated filters(like I did) or HEPA filters or formaldehyde filters, etc. The manufacturers that made these equipment made their filters in odd shapes. So, this meant that the consumer had to buy the filters from the manufacturer at a high price. This is clearly unfair. With a 3d printed shell, we can design the filter holder for filters that are readily available in the market. This comes at a great advantage. So, lets get into the stuff required for the fume extractor

The equipment needed are:

  • A large diameter Fan
  • 2 wire to DC pin
  • 3 D printed parts

The scad, stl files can be downloaded here

Parts[edit | edit source]

Here's a snapshot of all the parts laid out

Look at Links to buy electronics online.

Parts1.jpg Parts2.jpg

Assembly[edit | edit source]

Steps to assemble the Fume extractor

1. insert the filter of choice in the filter window

Filternew.jpg

2. insert the wire in the hole separating circuitry and fan module

Wire.jpg

3.insert the fan in the fan module snuggly as shown. pull on wire such that wire stays in the bottom module.

Fana.jpg

4. MIND THE POLARITY!!!!! DO not reverse the polarity. The fan will burn out.

Polarity.jpg

5. push the DC pin in the bottom hole and sort the wires out.

Assem.jpg

6. Push the back plate such that the notch in the holds the dc pin in place

End.jpg

7. snap the quick clips for the fan. latch on to fan and then press it into place.

Clip.jpg

8. push the legs into their respective slots

Legs.jpg

Costs[edit | edit source]

The costs are listed below

SL No Part Cost
1 Fan $7
2 DC pin $0.6
3 Filter $4
4 3D printed parts $1
Total $12.60

Links[edit | edit source]

3D printed parts[edit | edit source]

Electronics[edit | edit source]

Contact details[edit | edit source]

If you are facing any issues or have any doubts regarding this project, contact me. with the email below. email: bharath95@hotmail.com