Why is the sewer at home always blocked?
You contentedly brushed your mobile phone on the toilet, got up and pressed the flush button, only to find that the water level did not move down, but gradually rose. Your heart sank: the sewer was blocked again.
Brushing your teeth and washing your face, washing clothes and cooking, and flushing the toilet will all produce a lot of domestic sewage. Under normal circumstances, sewage will flow into the riser along the pipeline and be discharged to the outside.
Of course, this is an ideal situation. Unfortunately, you will always meet the scene of watching the sea or leaking roof in the house. Why is this? What should you do?
The main nodes of indoor pipeline blockage are bathroom, kitchen sewer and bathroom floor drain.
This is the toilet that you squat down every day. There is a zigzag sewage pipe below, which can discharge sewage by gravity or siphon. This design also makes this part a high incidence area of foreign body blockage.
Obstacles are soft and hard, such as feces, paper towels and diapers, such as toothbrushes, bottle caps and small toys.
You skillfully pick up the toilet plunger next to the toilet, aim at the toilet drain, press and lift it quickly. The toilet plunger and the blocked pipe form a closed space. When pushed down, the space volume decreases and the pressure increases, pushing the water flow to impact the blockage. When pulling back hard, negative pressure is formed to attract the blockage. Through repeated rapid operation, unblock the blockage and dredge the pipeline.
Don't worry if there is no toilet plug. You can use a mop or tape instead. The principle is the same, helping to form a closed space.
After all, toilet plunger is an old product, and there are many upgraded versions on the market.
For example, the artifact "one shot through" forms high pressure by artificially compressing air, and uses the super impact force of high pressure to drive the accumulated water in the pipeline to impact and block.
The effect is good, but the hidden dangers are not small. If you are not careful, you may lose money downstairs.
To be on the safe side, it is also a way to spend a few dollars to buy a manual pipe dredge online. Dredge the spring to feed into the pipeline, and bypass the winding pipeline by controlling the mechanical rotation of the spring, so as to get through the blocked or adhered foreign matter, which is cheap and efficient.
But there are requirements for operation. If you can't handle it, you may need to call a professional maintenance team, and you are likely to encounter the advanced version of the dredge in your hand.
For serious hard objects, the problem may only be solved by dismantling, but don't try to achieve it by the shock wave of firecrackers.
Different from toilet blockage, kitchen pipeline blockage is mainly caused by leftovers, hair and leaves. Large ones are easy to clean, similar to toilets.
However, the sewer pipe in the kitchen is facing an important and difficult blockage-grease.
The last thing I want to face after eating butter hot pot at home is cleaning the dishes. When you turn off the power supply, the oil in the pot will gradually solidify as the temperature drops.
This is because most animal fats and oils contain a high proportion of saturated fatty acids, have a high melting point and are solid at room temperature. With the cooling of the pot, the grease gradually solidifies and sticks together, clinging to the pot wall and difficult to remove.
The most stupid way is to use a lot of detergent to clean, and the detergent can also be removed, but it takes time.
Many people are used to melting solid oil with boiling water and then pouring it directly into the pool. Grate will intercept larger residues, and liquid mixture such as melted grease will flow out along the pipeline.
Everything seems to be going well.
After the oil enters the pipeline, it will solidify and adhere to the pipe wall with the decrease of temperature, accumulate continuously and block the pipeline.
There are many ways to remove grease online, such as mixing baking soda with white vinegar, but the effect is not very good.
The main component of baking soda is sodium bicarbonate, which is alkaline when dissolved in water. The main component of white vinegar is acetic acid, which is acidic. When they are mixed, a chemical reaction will occur, producing carbon dioxide and water. You can use it to blow balloons, but it can't solve the jam well.
On the contrary, if used alone, it can also be used as a starting point. Baking soda can be saponified with oil pollution to hydrolyze oil pollution; White vinegar can remove dirt.
It is not difficult to clear the grease blockage. You only need to flush the pipeline with boiling water regularly, but it is ineffective for blockages such as vegetables, hair and paper towels.
If we want to solve it at the same time, we have to mention the popular "corpse powder"-pipeline dredging.
The main components of pipeline dredging agent are sodium hydroxide, sodium carbonate, sodium hypochlorite, aluminum powder, sodium tripolyphosphate and surfactant.
Sodium hydroxide is strongly alkaline, and when it is dissolved in water, it can release heat to corrode the blockage in the sewer pipe. At the same time, the high temperature environment promotes the strong reaction between aluminum powder and sodium hydroxide, which produces a large amount of hydrogen and produces the driving force for loosening and blocking.
The surfactant in the composition can treat oil more effectively. In a patent of pipeline dredging agent, we found that the component is sodium dodecyl benzene sulfonate, and the chemical formula is as follows:
This is a typical surfactant structure, with hydrophilic groups on the head and lipophilic groups on the tail, so you can plunge into water and oil at the same time.
Because water and oil are incompatible, water can't take away oil stains, but with surfactants, water can pull the surfactant, and then the surfactant pulls the oil and falls off the attachment hand in hand.
When the surfactant reaches a certain concentration, micelles will be formed, the hydrophilic head will be absorbed outward by water, and the lipophilic tail will be repelled inward by water, so that oil can be pulled by lipophilic groups and the whole micelle will be taken away by water.
Therefore, the pipeline dredging agent has the functions of releasing heat, generating gas and emulsifying, and has a good dissolution effect on organic substances such as oil stains, leftovers, peels, vegetable leaves and hair, so as to achieve the purpose of rapid dredging.
However, it is corrosive to aluminum pipes and plastic pipes, so it should be used with caution. If used improperly or eaten by mistake, it may be life-threatening.
With the official implementation of "Regulations on the Management of Domestic Waste in Shanghai", it has become the daily life of residents to properly handle garbage. Kitchen waste shredders have quietly become popular. By setting a high-speed rotating turntable at the joint between the sink and the pipeline, the kitchen waste can be quickly crushed into pieces and discharged along the pipeline.
Although it saves the trouble of sorting, food residue contains a lot of oil, which is easy to solidify and attach to sundries after being poured into urban pipelines, and it gets bigger and bigger, blocking the pipelines.
Under the glamorous city, there may be such a lump of oil hidden, which pollutes and blocks urban pipelines.