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It must be the echo of the drainage pipe, to replace it with a spiral silic pipe, I think a replacement can not solve the problem, all the replacement involves a lot of residents, may not be able to implement, I suggest that you use sound insulation materials to wrap the pipe more practically, the cost and effect can be better.
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If the drainage riser is spiral, it is silencing, and there are single spirals and double spirals. According to the design requirements, the drainage riser should be a spiral silencing pipe, of course, the cost of construction will go up.
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The echo of the sewer pipe, there is no way to solve this. Unless the tube is replaced with a silent tube with a spiral inner wall.
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It's the sound of the drain pipe, and it's the same in my house.
Let's replace the drain pipe with a silencer pipe.
It is impossible to change the house after it must be renovated, otherwise the cost will be great.
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That's the echo coming from inside the sewer.
The sewage that flows down after the toilet flush has reached the sewer, and the water left behind is used to block the odor from the sewer, and it is the sanitation water that cannot flow down.
If the pipe pill in the lid is broken, remove it yourself and go to the hardware store to buy one, or directly ask the master to repair it!
When there is no home guess socks in the room, the sound waves will reflect back in a straight line when they encounter a smooth wall, and we can hear the echo, when there is furniture, the sound waves meet the uneven surface of the furniture, change the direction of reflection, cancel each other out a lot, this world is the same, we hear a lot less echoes, so, the smoother the surface echo, the louder the echo, the smaller the surface echo the more potholes.
There are two principles of flushing of the toilet, one is the straight flush type, the other is the siphon type, the straight flush type of punch is all completed by the up and down difference of the water flow, that is to say, the more the punch, the greater the water is advocated, so such a toilet in the glaze and the smoothness of the pipe after improvement, the water can be a little less but the punch is still OK. Siphon type means that when the water rotates through the pipe and falls downward, it will produce a suction, and some pipes will add a nozzle to increase the strength of the flush, so as to achieve less water but no reduction in the impulse.
You're using a siphon toilet.
Siphoning is the use of the principle of atmospheric pressure to generate air pressure, so as to suck away dirt, so there will be a sound. This is also a defect of the siphon, if it doesn't work, it is recommended that you can change to a flush toilet, it will be much better. >>>More