How Does the Bottle Trap Work?

In modern home life, the design of the bathroom drainage system is very important. It is not only related to the convenience of daily life, but also directly affects the cleanliness and hygiene of the home environment. In many drainage system designs, the bottle trap plays a pivotal role.

The bottle trap is a common drainage pipe design that is shaped like a bottle, narrow at the top and wide at the bottom, with a curved part in the middle. The main purpose of this design is to form a water seal in the drainage system to prevent odors, bacteria and harmful gases in the sewer from flowing back into the room through the drain outlet. At the same time, the drain trap can also effectively prevent cockroaches, mosquitoes and other pests from entering the living space through the pipes.

The design principles of the bottle trap are mainly reflected in the following aspects:

The curved part inside the bottle trap can store a certain amount of water, forming a water seal. When wastewater enters the trap through the drain opening, the water seal prevents the backflow of gases in the sewer. In this way, even if negative pressure is generated in the drainage system, it can ensure that odors and harmful gases cannot enter the room.

The design of the bottle trap takes full advantage of the principle of gravity. When wastewater flows through the trap, the water will naturally flow along the curved portion due to gravity. In this way, even when the water flow rate is slow, wastewater can pass through the trap smoothly and avoid clogging.

The design of the bottle trap also takes into account the need for air flow obstruction. There are exhaust holes and suction holes on the upper and lower parts of the trap respectively. The purpose of these two holes is to ensure a water seal while allowing air to flow freely in the drainage system. In this way, during the drainage process, air can enter and exit the trap through these two holes, reducing drainage resistance and improving drainage efficiency.

The design of the bottle trap also fully considers the convenience of cleaning and maintenance. Since the structure of the water trap is relatively simple, users can clean and inspect it regularly to ensure that the water seal function is normal. In addition, some traps also adopt a detachable design to facilitate user replacement and maintenance.

When there are sudden changes in external pressure, such as when water is used on other floors in the building, it can cause pressure fluctuations in the drainage system. The bottle trap is designed to absorb these pressure changes and maintain the stability of the internal water seal, thereby preventing wastewater from flowing back.

Bottle trap is a common drainage system design. Its unique structure and principle not only ensure smooth drainage, but also effectively prevent the spread of odors, bacteria and pests. By understanding the design principles of the trap, we can better maintain and use this important bathroom facility, bringing convenience and comfort to our lives.