Why do we use two sewer pipes in high-rise bathrooms?

Today’s high-rise bathrooms have two vertical pipes, and these two large pipes have different functions.

The pipe that sewage and toilet are connected to is called the domestic drainage riser, and the other pipe is called the special ventilation riser. The specification of the drainage riser currently installed is De110, and its drainage capacity is There is a certain limit. If it exceeds this limit, it is necessary to add a special ventilation riser. Otherwise, the drainage will produce air resistance and affect the drainage volume. The higher the floor, the greater the impact.

Relevant national regulations on drainage stipulate that domestic sewage risers should be installed in multi-story buildings or public buildings with higher construction standards, as well as high-rise buildings with more than 10 floors (including 10 floors). Special exhaust riser, the connection between the ventilation riser and the drainage riser is called H pipe. This is a pipe fitting specially used to communicate with the ventilation pipe and drainage pipe. Generally, it is set up in layers, and the H pipe connection is It must also be inclined, just to ensure that sewage will not flow back to the ventilation riser when draining, so there will be no drainage in the special ventilation riser, so there is no inspection port on this pipe, only on the drainage riser. Inspection openings will be provided in layers.

Through the above introduction, you now know why two sewer pipes are used in high-rise bathrooms. By the way, the editor will give you some tips about bathroom safety and some methods to clear the clogged sewer in the bathroom.

Bathroom safety tips: When purchasing bathroom decorative materials, they must be mainly non-slip. For floor tiles, you can consider quartz tiles, antique tiles and emery tiles. Generally speaking, bathroom tiles are The floors will be mainly made of floor tiles of the above three materials.

Tips for clearing clogged bathroom sewers:

1. Hair causes sewer blockage: After the sewer has been used for a period of time, the hair from the usual bathing will hang on the wall of the pipe and accumulate too much, which will cause Clogging, hair generally causes clogged bathroom floor drains, clogged washbasins, clogged bathtubs, and clogged shower rooms. Therefore, be sure to cover the floor drain cover and other protective facilities during daily use. If there is any hair, you can pick it up and throw it into the trash can.

2. Grease blockage: Grease blockage of sewers usually occurs in the kitchen. This blockage is usually caused by scaling on the inner wall of the pipe. Severe scaling of the pipe will cause the sewer to be blocked. If it is minor, you can use a dredge machine to clear it. If Seriously. It cannot be solved with simple dredging methods. It will be blocked again just after it is dredged. It is a vicious circle when it is unblocked and then blocked. The only way to completely solve the problem is to use a high-pressure water tanker to clean the inner wall of the pipe or replace it. New pipeline. Relatively speaking, it is more economical to use a high-pressure cleaning truck to clear the water.

3. Pipe collapse and pipe dislocation: This kind of blockage usually occurs in ground floor and outdoor sewers. There is no good solution: just find the exact location of the collapse and dislocation, dig out and replace the pipe. The best tool is to use a pipeline TV (pipeline detector) to accurately judge.

Editor’s warm reminder:

Bathroom pipes must be properly sealed and a deodorizer should be installed. Otherwise, odor will pollute the indoor air and affect health. The installation of sewer pipes must be regarded as the most important step in bathroom decoration.