What are these two slender pipes raised above the floor in the bathroom called?

The floor drain must be lower than the ground, otherwise the water will flow slowly. Less than 1 cm.

1.Before making a floor drain, you need to pay attention to the basic information such as the panel and size specifications of the old floor drain currently in use, and the most used in the bathroom at home is a 10*10cm square floor drain, and there are also 12cm round floor drains; As for the size of the toilet sewer pipe, the diameter of the sewer pipe of the general house is 50mm in diameter. Note that the size of the core floor panel to be replaced should be consistent with the size of the old floor drain;

2.The joints between the old floor drain panel and the tile are slowly separated with a screwdriver or other tools, and the cement around the floor drain is lifted out with a slotted screw, and then the floor drain is struck with a small hammer to separate it from the cement; Use a groove to clean the cement layer around the old floor drain pit, and pay attention to the temporary plugging of the drainage pipe to prevent debris from falling into the drainage pipe;

3.After cleaning, scrape cement putty around the pit wall; The reverse side of the new floor drain that needs to be replaced is also scraped with cement putty to make it firmly combined with the ground, and the excess cement dining area will be cleaned up of the ground garbage. Before installing a new floor drain, the anti-odor core needs to be taken out to prevent cement and sand and other creations from entering the core and affecting the use effect; The newly replaced floor drain panel should be in line with the tiles, the height should not be higher than the tiles, and the glass glue or white cement should be applied around it and dried; After installation, install the floor drain anti-odor core and put the grate; It is recommended that the deodorant core can be taken out and cleaned once a month or so, and the use effect is better.

Go into the water, the thick one next to it is the sink one, and the one on the other side is the floor drain.

Next to the thickest is the drain drain, and a little farther is the washbasin.