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How to make an improvised mini fire extinguisher -Πατέντα μίνι Πυροσβεστικό
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Μόλις το γεμίσουμε βγάζουμε 10 λίτρα νερό και μετά βάζουμε αέρα 30 -40 λίμπρες η 2,5--3 ατμόσφαιρες αν θέλετε το βάφετε κόκκινο η πίεση που βάζουμε είναι ίδια με μια φιάλη υγραερίου πάντα το κρατάμε σε όρθια θέση ευχαριστώ
You can take an old electric water boiler and make it a fire extinguisher. It will be a bit restricted in regards to the kinds of fire it can extinguish, however it may slow down a fire or provide help to a proper fire extinguisher.
The boiler has two pipes :
The cold water inlet and the hot water outlet.
The cold water pipe is a short pipe that extends a few centimeters inside the boiler, and lets the cold water enter the boiler at the bottom.
The hot water outlet is a longer pipe, that runs from the bottom all the way up to the top of the boiler, and stops a few centimeters before the top cover.
The idea is to fill the lower 2/3 of the boiler with water, and the top 1/3 with compressed air. The compressed air on top will be pushing the water towards the small pipe in the bottom, which is the cold water inlet, as we mentioned before.
We will be supplying compressed air through the hot water pipe, and we'll be taking the water through the cold water pipe.
Also, to fill the boiler with water, you will be filling it from the cold water pipe, because the hot water pipe will have the air valve.
For this reason, it is a good idea to install a water valve or tap in the cold water pipe, so that it will allow us to fill up the "extiguisher" with water, and also connect the hose for fire extinguishing.
Any kind of non return valve in the cold pipe needs to be removed, so that the water can flow both ways, in AND out.
As an air valve we can use the Shreader valve from a tire innner tube. It can be from a car's or bicycle's inner tube. As long as it is a Shreader valve we are OK.
When all connections are complete, connect one end of the hose to the tap at the cold pipe of the boiler, and the other to the water supply.
Fill the boiler to the top with water. (You read correctly: to the top).
Disconnect the hose from the water supply, and direct that end to a container, so that when we open the tap on the boiler, water will flow in the container allowing us to measure it.
Depending on the volume of the boiler, extract about one third of the water, and then close the tap. At this point, the hot water pipe inside the boiler is high enough to allow us to fill the top part with compressed air. Start pumping air untill you reach 30 to 40 psi, or maybe even more. You will need the high pressure in order to be able to use as much of the water as possible. If the pressure is not enough, not all the water will be able to exit the boiler. So take that into consideration. You must however stay safe and not put in too much compressed air. We don't want the fire extinguisher to blow up in our face.
Note that to work properly it needs to be always in an upright position, and due to weight you'll need some kind of kart to move it around.
In the hose end you can attach any kind of water spraying device.
CAUSTION : This extiguisher is not a substitute to a proper fire extinguisher. It is good for solid fuels but not so much for liquid or gas fuels, not to mention electricity presence. So use it with caution, and have a proper sized fire extinguisher nearby.
It is always a good idea to invest in proper fire extinguishing devices.
Thanks for watching, and if you like what you see, consider subsdcribing.
You can take an old electric water boiler and make it a fire extinguisher. It will be a bit restricted in regards to the kinds of fire it can extinguish, however it may slow down a fire or provide help to a proper fire extinguisher.
The boiler has two pipes :
The cold water inlet and the hot water outlet.
The cold water pipe is a short pipe that extends a few centimeters inside the boiler, and lets the cold water enter the boiler at the bottom.
The hot water outlet is a longer pipe, that runs from the bottom all the way up to the top of the boiler, and stops a few centimeters before the top cover.
The idea is to fill the lower 2/3 of the boiler with water, and the top 1/3 with compressed air. The compressed air on top will be pushing the water towards the small pipe in the bottom, which is the cold water inlet, as we mentioned before.
We will be supplying compressed air through the hot water pipe, and we'll be taking the water through the cold water pipe.
Also, to fill the boiler with water, you will be filling it from the cold water pipe, because the hot water pipe will have the air valve.
For this reason, it is a good idea to install a water valve or tap in the cold water pipe, so that it will allow us to fill up the "extiguisher" with water, and also connect the hose for fire extinguishing.
Any kind of non return valve in the cold pipe needs to be removed, so that the water can flow both ways, in AND out.
As an air valve we can use the Shreader valve from a tire innner tube. It can be from a car's or bicycle's inner tube. As long as it is a Shreader valve we are OK.
When all connections are complete, connect one end of the hose to the tap at the cold pipe of the boiler, and the other to the water supply.
Fill the boiler to the top with water. (You read correctly: to the top).
Disconnect the hose from the water supply, and direct that end to a container, so that when we open the tap on the boiler, water will flow in the container allowing us to measure it.
Depending on the volume of the boiler, extract about one third of the water, and then close the tap. At this point, the hot water pipe inside the boiler is high enough to allow us to fill the top part with compressed air. Start pumping air untill you reach 30 to 40 psi, or maybe even more. You will need the high pressure in order to be able to use as much of the water as possible. If the pressure is not enough, not all the water will be able to exit the boiler. So take that into consideration. You must however stay safe and not put in too much compressed air. We don't want the fire extinguisher to blow up in our face.
Note that to work properly it needs to be always in an upright position, and due to weight you'll need some kind of kart to move it around.
In the hose end you can attach any kind of water spraying device.
CAUSTION : This extiguisher is not a substitute to a proper fire extinguisher. It is good for solid fuels but not so much for liquid or gas fuels, not to mention electricity presence. So use it with caution, and have a proper sized fire extinguisher nearby.
It is always a good idea to invest in proper fire extinguishing devices.
Thanks for watching, and if you like what you see, consider subsdcribing.
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