DIY

Water filter for old vacuum cleaner

Water filter for old vacuum cleaner Hello everyone! Sometimes it is necessary to collect wood chips and dust with a vacuum cleaner. I have a regular household vacuum cleaner. It is quite suitable for cleaning the apartment, but not for collecting wood dust. The fine filter (as it is called in my opinion) instantly clogs up, after which you have to completely disassemble the vacuum cleaner, and rinse everything thoroughly. There are many reasons for this, and the main one is the small area of ​​the secondary filter. Yes, and the small size of the dust affects, which does not allow it to settle in the main receiver. Therefore, I decided to assemble a water filter for a household vacuum cleaner.
Studied this topic on the omniscient internet … There are a lot of schemes and solutions. I settled on one solution.
Water filter for the old vacuum cleaner I liked the minimum amount of work on the alteration. In short, the fine secondary filter is removed and the water filter itself is added. Of course, you will have to tinker with the latter and experiment. I really liked the suction of water and spraying it in a “dirty” stream, thereby pre-moistening the dust suspension.
Water filter for old vacuum cleaner To implement the idea, I took out an old, but quite working vacuum cleaner of a famous brand. Conveniently, the trash can is quick-detachable and sort of like a Cyclone system.
Water filter for the old vacuum cleaner Water filter for an old vacuum cleaner I completely disassembled it, everything (literally everything!) I put it in a bath and filled it with water. There are no photos of the soaking process left. All the plastic, the engine, the filters, the power cable – all this was soaked for about 10 hours. From time to time, I took out the parts, washed it with a brush under running water, and then soaked it. At the end, I once again washed everything, dried it and now the designer is ready for assembly and modernization.
Water filter for old vacuum cleaner  Water filter for old vacuum cleaner The following photos show the secondary filter. And I will redo it.
Water filter for old vacuum cleaner  Water filter for old vacuum cleaner Water filter for old vacuum cleaner I'll collect the rest as it was. I will check all the seals, leave something, replace something.
I'm starting the assembly. The photo below shows that I removed one of the dust protection in the second level of cleaning. This is just a glued porous cloth between the engine and the fine filter (the one that is removable is round blue-white in the photos above).
 Water filter for old vacuum cleaner I glue the loose seal (a regular strip of foam rubber) on the engine compartment cover.
Water filter for old vacuum cleaner I am repairing a partially cracked case. I use a regular 60 W soldering iron and pieces of copper braid.
Water filter for the old vacuum cleaner I continue assembling. Putting together the electronic part and testing it after a major flush. Everything works Water filter for old vacuum cleaner When the engine compartment cover is closed, a sufficiently strong air flow is created both at the inlet and at the outlet. I hope the output power will be enough for our plans. Experiments will show, and they are just around the corner Water filter for an old vacuum cleaner
Water filter for an old vacuum cleaner Here, I have collected it. The photo below shows the absence of obstruction filters at the outlet of the air stream. You can even see part of the engine.
 Water filter for an old vacuum cleaner The matter is left for” small “: assemble an adapter for a flexible hose with a seat from the former end filter. According to the idea, this filter is no longer needed, it must be replaced by a container of water.
First of all at this stage I glue the O-ring into the seat. The diameter of the seal is higher than the plane 3-5 mm. I think it will normally be pressed by the adapter.
Water filter for an old vacuum cleaner For an additional hose I will use ready from another old vacuum cleaner. At the end of the work, of course, I will shorten it to the required length, why do we need extra “snot”. And now, when making an adapter (I would call this adapter a adapter coupling ), I will only use the tip to easily detach hose_2 from the vacuum cleaner.
Water filter for the old vacuum cleaner To design a part, I use the SolidWorks 2020 SP5.0 software. To be honest, not all providers allow this file sharing , but there are always workarounds. Here is a conversation about something else). The adapter will be prefabricated from 8mm plywood scraps. Therefore, first I will draw solid parts, then I will break these parts into parts to use scraps of material. It is a pity to waste a sheet on small things, despite the fact that a lot of waste will turn out, the area of ​​which can be used when breaking down. You will understand later, I will show you how the whole process will look like.
Water filter for old vacuum cleaner Here's the beginning of the design. As always, there are small overlays)))) Here I am with a screenshot. I will post it anyway and show who will be interested. Okay, here are the pictures, the first one is an error.
Water filter for the old vacuum cleaner Next, start the process. < br> Water filter for old vacuum cleaner Water filter for the old vacuum cleaner  Water filter for old vacuum cleaner Here I finished drawing. For a better perception, I made the fit of the hose tip and a general cut. I took the dimensions based on the fitting dimensions for the filter, the hose tip and the decorative pad, which also needs to be slightly modernized.
Water filter for old vacuum cleaner Water filter for the old vacuum cleaner  Water filter for old vacuum cleaner It remains to write control programs for each part separately (I take material from unnecessary scraps) and cut it out on a CNC milling machine. The cutting process, I think, is not interesting to you, so the following photos will be at the time of assembly.
So, the parts are cut, cleaned with a bar with sandpaper. Starting assembly.
Watermark filter for the old vacuum cleaner Water filter for old vacuum cleaner First, I assembled the base, glued it together, now it remains to put on the rest of the rings. They have a set sequence, since one ring is used for the end stop, the other (last) ring for the lock, that is, it has a selection to the desired depth for the tip lock).
First I assembled the layers to check the correct calculation. Everything turned out great!
 Water filter for an old vacuum cleaner Then he took off the rings, laid them out in the right order for further assembly and gluing. The photo shows that to ensure the alignment of all the rings, I used small holes into which I insert wooden toothpicks during assembly. They then act as pins. For gluing I use PVA-M glue.
 Water filter for an old vacuum cleaner Before installing the last ring under the lock, again I check for correct assembly.
Water filter for old vacuum cleaner Everything is fine, I glue the last ring, break off the protruding toothpicks and tighten the entire assembly with clamps. At the same time, a part of the glue came out of the layers, it was simply smeared over the detail. We are waiting for drying.
Water filter for old vacuum cleaner I remove the clamps, grind a little with a bar with sandpaper. Then I cut a hole in the decorative strip. It is removable, with a latch, which is very convenient.
Water filter for the old vacuum cleaner I am inserting a ready-made adapter into the footprint for the former second filter.
 Water filter for an old vacuum cleaner And I press the adapter with a pad. Everything was installed just fine, there is no backlash, the adapter is firmly pressed and fixed with a decorative overlay.
Water filter for old vacuum cleaner I insert the tip from the second hose, turn on the vacuum cleaner and get a fairly powerful stream of output air. This roughly indicates the required water tank for further modernization. If the water barrier is small, then the water will simply “boil”, and the effect of dust separation will be minimal. Therefore, you need to think about the capacity, water level, and possibly additional directing the air flow in the water. In short, there will be some experiments soon.
Water filter for old vacuum cleaner The first experiments showed that the output stream is very powerful, as I expected. There will be no photos of the process, there were not enough hands. I'll just describe. To begin with, he poured a bucket of water, put it in the tub, lowered the second hose, and all the water did not just “boil”, it was simply blown out of the bucket. I understand that bulkheads will be needed horizontally to pacify the seething mass of water and air. The second experiment was carried out in the bathroom itself. He took 2/3 of water, lowered a transparent baking sheet, and put a hose under it. I collected chips and dust from the working area of ​​the router into the container. Turned on, Surface bubbling of course was reduced thanks to the baking sheet, the first hose sucked out all the dust from the prepared container. The shavings remained in the first (native) tank, fine dust partially got into the water, and remained in it, wetted and did not have time to take off. Why partially – because the first level of filtering also delays it.
Now it became clear to move on. I will be clever over the water tank.
For the container, I decided to use a 14 kg paint bucket (10.7 liters). I'm starting to design. First you need a hose tip.
 Water filter for an old vacuum cleaner This is for a general concept of dimensions and shapes .
Water filter for the old vacuum cleaner For The “number of storeys” of the filter cut off the same bucket, leaving the bottom + 90mm of the wall height. It turns out such a cup. I drill large holes in the bottom.
Water filter for an old vacuum cleaner From a PVC corner 105 degrees making the first mud-flow bumpers/mixers. I attach them to the bottom of the cup.
Water filter for an old vacuum cleaner Again a picture for the concept of proportion.
Water filter for old vacuum cleaner Then I make cuts around the perimeter to set the cup upside down. I also add bends to the edges for additional obstruction of the flow, although they are small, they will do their job, I mean mixing air and water. Or rather, for dividing the stream into smaller fractions.
Water filter for old vacuum cleaner I put the cup in the bucket. Due to the notches in the walls of the cup, it enters the bucket as “native”.
Water filter for an old vacuum cleaner Conducted an experiment. I set up the first floor and filled the bucket with water about 2/3 in height. As a result, I got a uniform boiling/bubbling over the entire surface. But the openings on the ground floor are large, so there was a little splashing. As a result, I got the concept of further work.
After a short suspension of work, I continued and finished it. You will see the result in the following photos.
Added more plates by levels. The section will be more clear. I screwed the “second” to the “first floor” using some used plastic racks. Added “third floor”. I drilled holes everywhere, trying to make the air move from bottom to top like a snake.
Water filter for old vacuum cleaner Added a prefab clamp for attaching the hose tip to the top cover.
 Water filter for old vacuum cleaner Cut and assemble the knot. The photos below show ready-made plates for “number of storeys”.
Water filter for the old vacuum cleaner Water filter for an old vacuum cleaner And of course photo of the assembled “new” vacuum cleaner.
Water filter for an old vacuum cleaner I will check it here. There are enough shavings, small wood scraps, and of course a lot of wood dust.
Water filter for an old vacuum cleaner After a short During the work the vacuum cleaner is full, its own filter is completely clogged and the suction valve is triggered, which means the suction efficiency is reduced to “zero”.
Water filter for old vacuum cleaner  Water filter for old vacuum cleaner Although the bulk was collected, there were still many places where there were small chips and dust.
I shook out the can, didn't put my own filter, I just installed my own grate from this filter.
I continued checking. I was pleased with the result. Small scraps and shavings lingered in the jar, and dust entered the bucket of water.
Here is the result.
Water filter for an old vacuum cleaner And finally, a photo of dirty water. All the dust that got into the water mixed with it. All that remains is to pour this water down the drain.
 Water filter for an old vacuum cleaner Good luck to everyone and Happy New Year!

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