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Installation for flushing (descaling) of gas boilers and water heaters (columns) without disassembling.

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Such a need arose not yesterday. Of course, there are specialists who do this (they tear a decent amount for this). To flush the boiler, dismantle the heat exchanger and, after flushing, set it in place (nobody knows). If this is not done, then the consumption of gas (electricity) increases and, in the end, the termination of the passage of exchange fluid.

But no gods make pots. Having rummaged in his "bins", he assembled the necessary set of B \ U components (so as not to buy). The task is to create a wash liquid flow through the heat exchanger (without removing it from the installation), heat the wash liquid, and control the heating temperature (in the machine).
Everything is very simple done, I can report the details separately.

Here is a view of the insides of a gas boiler (wall-mounted), (there are no step-by-step photos of manufacture) for me not to show off.



Connect flushing hose to the unit. The end of the flushing unit is visible in the mirror.



The Dusya assembly itself. ))) blush





This simple home-made device helped me in my problem of descaling.
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Actual topic. He made summer residents a heating system. They collected everything, checked it, poured water (specially prepared) and pressed it. Included, it works. All is well. Three days later, the boiler "howled." Tedious and prolonged, it is impossible to hear, already clenching his teeth. After long dances with a tambourine, I realized that the TENs were howling. And all three, and each in its own way. I also built something similar for flushing the boiler then, sorry, no photos. Moreover, it was necessary to wash not only the boiler, but each battery separately, because the bulk of the garbage and g ..... well, you know what, it was in them. It’s good that the system was assembled on metaphorical tubes, it’s easy to connect and disconnect.
0
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So how to treat me personally I will answer
1 Where is it written that your water is constantly being heated for household needs? You write
To flush the boiler, remove the heat exchanger
judging by the conversation with Valery, you had no questions and you can clearly interpret that you washed the boiler.
2 There are special filters for running water that soften it. I have been standing for about 15 years with an electric water heater and no problems.
Author -1
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Quote: pogranec
I doubted the advisability of washing even when you laid out this unit. Since 86, I have a boiler. The boiler is both coal and gas. Gas since 89. Water is poured. Not changed and never washed. Specially covered several sites and forums. What I found out: 1. if the system is closed, there is no need to rinse it (and it is logical to fill it in, the scale has formed, the system does not feed, where can deposits come from) 2. if the circuit is open, then there are 2 options to feed here: 1) the water is soft, not touch 2) the water is hard, if you feed a little (for example, I have a maximum of a bucket of water for a year), then we don’t touch, if the leaks are large, you can wash it every 3-5 years, but here the most interesting thing is that washing is carried out with weak acid solutions, which kill the heat exchanger after 2-3 washes. That is the apparent benefit. Of course, what would knock the headstock special. services will tell any fables. If you are so afraid of scaling, pour rain water or soften the well before pouring, there are a lot of ways.

I knew that you are, as always, far from this and are not even trying to understand the essence.
On the fingers I explain again.
Installation for washing heat exchangers serving for heating households. water!!!
What rain, what are you talking about? Water comes from a water supply system or well, constantly exchanging, heating up due to gas or electricity. Gradually, the heat exchanger becomes clogged with scale (like any kettle or samovar). To restore it, the craftsmen dismantle the heat exchanger (wrote about it, read carefully), then they wash it at home, bring it (it is not known whose one) in 2-3 days, and put it in place. It costs us 5-6 thousand. My installation allows you to rinse without dismantling, which is faster and more practical. And at the expense of acid, so you do not wash the kettles from scale?
There are special solutions (sold) for these purposes. Yes, and chemistry would not hurt to know the property of acids and alkalis for example.
+1
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For several years, we were told about the need to add all kinds of additives to the washing machine. Twice I changed bearings on it (and, accordingly, disassembled the drum), so there’s nothing there to wash it. But the water in the machine is constantly different.
0
Reply To quote A complaint
I doubted the advisability of washing even when you laid out this unit. Since 86, I have a boiler. The boiler is both coal and gas. Gas since 89. Water is poured. Not changed and never washed. Specially covered several sites and forums. What I found out: 1. if the system is closed, there is no need to rinse it (and it is logical to fill it in, the scale has formed, the system does not feed, where can deposits come from) 2. if the circuit is open, then there are 2 options to feed here: 1) the water is soft, not touch 2) the water is hard, if you feed a little (for example, I have a maximum of a bucket of water for a year), then we don’t touch, if the leaks are large, you can wash it every 3-5 years, but here the most interesting thing is that washing is carried out with weak acid solutions, which kill the heat exchanger after 2-3 washes. That is the apparent benefit. Of course, what would knock the headstock special. services will tell any fables. If you are so afraid of scaling, pour rain water or soften the well before pouring, there are a lot of ways.
Author 0
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Quote: Valery
But somehow I didn’t think about how to wash the heat exchangers ... But everywhere I have systems closed and filled with antifreeze. Maybe not worth it ....

The installation is primarily "aimed" at flushing water heaters for hosybnos. And they usually need such flushing. These are all double-circuit boilers, electric water heaters, etc.
0
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Before starting, I always rinsed the filters with large amounts of running water. Then he blew the water and seasoned with antifreeze. There is no ferrous metal in the systems - only polypropylene (pipes), metal-plastic (warm floor) and aluminum (radiators). Heat exchangers in boilers - stainless steel. So I think it’s not worth it yet ...
0
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But somehow I didn’t think about how to wash the heat exchangers ... But everywhere I have systems closed and filled with antifreeze. Maybe not worth it ....
0
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Today I took a picture of the "milk pump" on the occasion ... I see why I mixed it up? If they’re not standing near, then they’re similar, right?
Author 0
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This "boyda" is not from the pump, there were three electric heating elements and various pribludy in this topic (sensors, devices). More like a distiller for water, found in the scrap. The main thing for me was a removable flange, (stainless steel). What allowed to reconstruct it (flange) for themselves.
0
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I'm not talking about him. I cooked a “Leningradka” with such a pump on polypropylene in the country, I also installed it in the house, because it is necessary to push through the warm floors. I know these pumps. I'm talking about something else. This big stainless steel “Boyda” reminded me of the so-called “milk pump” case. (It’s not only dairy. It’s used elsewhere in the food industry. It's just called that)
Author 0
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Valery, no, this is a regular pump for individual heating. The same is in the boilers themselves (photo one). It turns out (due to the pump) forced circulation of the coolant (water), which accelerates heat transfer.
0
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Milk pump, or am I mistaken?))))

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