People who live in the building will experience the phenomenon of back-draining. At present, the pollution of the sewage outlet of the toilet and kitchen is only inferior to the pollution of non-environmental building materials. Because the ground drain is connected to the septic tank, the only channel for harmful gases and worms in the septic tank to enter the room is a floor drain. If the floor drain fails, it will cause long-term odor pollution. At present, some anti-odor floor drains sold on the market are not practical. What kind of floor drain can better eliminate odors is a topic that many people are concerned about.
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There are five back smell sources for a kitchen and a family
“Ordinary kitchen and kitchen households generally have five sources of smell, which are toilet basins, toilets, washing machines, bathtubs, and kitchen sinks.†Li Runfan, head of the submarine floor drain manufacturer, said that the household floor drain There are many reasons for the return of odors, such as the positive and negative pressure inside the drainage pipeline, the design of the drainage pipeline by the developer, the unqualified installation of the floor drain, or the failure of the floor drain itself.
The washing machine water pipe and the water pipe are in direct communication with each other. There is no water seal in the middle. The hole in the pipe of the washing machine breaks the water seal, and the water seal becomes a decoration. When the wind blows outside, the pipe is clogged, the toilet flushes, the bathtub discharges water, and the washing machine discharges water, the pressure in the pipeline increases, causing the odor in the septic tank or pipeline to run out.
Building design defects cause floor leakage
A person who worked on a pipeline project revealed to reporters that the odor of the old house is generally not obvious. This is because the building's sewers in the past must be U-shaped and designed with a water seal to seal off the odor. Take it. However, the U-shaped return trap design occupies part of the storey floor height. To save costs and space, developers now generally directly connect the sewer pipe to the main pipe, and there is no special design for the return trap.
If the developer uses the engineering floor drain, the water seal is relatively deep, and the deodorant effect is also acceptable. However, because the quality is not high, the average consumer will replace it. However, the floor drain must be removed when the floor drain is replaced, and the poor home drain on the market cannot be used. Closely integrated with the engineering floor drain, so there will be back smell.
Although there are many floor drains with water seals on the market, in principle, it is possible to seal the odor, but the water in the water seal is easy to dry, so that the purpose of sealing the odor cannot be achieved. At present, most households use siphon-type toilets, which are easy to suck away the water seals in the floor drains, causing the water seals to be dry without water odors.
Key Note: Use exhaust fan to discharge odor need to open doors and windows
At present, many people like to close the door and use an exhaust fan to dispose of the odor of the toilet, but often the more the odor is pumped, this is because the exhaust fan removes the existing odor and needs a new air supply, while the enclosed toilet The air that can be replenished is only the odor in the pipeline, resulting in more odor. If you need to exhaust the exhaust fan, it is best to open the doors and windows, so that fresh air can be added.
In the kitchen sink and ground interface, there is generally no floor drain, but the sink pipe is directly inserted into the floor drain pipe, and the sealing between the sink pipe and the kitchen underground drain pipe is not sealed. At the same time as the range hoods, they also pumped up the odors in the pipes from the joints of the pipes, causing the odors to become more and more serious after cooking in the kitchen.
The price of deodorant floor drain is generally 20 yuan -50 yuan
The reporter visited Baiheju Sijiqing Store, Home Depot Minji Temple Store and Shilihe Store, found that the prices of ordinary deodorant drains are generally between RMB 20-50, while those of expensive floor drains are as high as RMB 200. So what kind of floor drain can deodorise? According to B&A's sales staff, the real deodorant floor drain must have good sealing performance and a long sealing time to prevent the water in the water seal from draining due to the positive and negative pressure of the pipeline. Second, it must have good drainage performance, large displacement, strong self-cleaning ability, and it should not be cleaned regularly. In the event of an accidental blockage, cleaning should be convenient.
Material copper floor drain odor resistance and easy to clean
If you look around in the building materials market, you will find that the material of the floor drain is very large, and it is easy for people who do not have common sense to pay attention. Floor drain from the material points mainly cast iron floor drain, stainless steel floor drain, PVC floor drain, copper floor drain, copper chrome and zinc alloy floor drain.
Cast iron and PVC floor drains are currently used in many projects, cast iron is apt to rust, and PVC material is too brittle and easy to age. Stainless steel floor drain has always been favored by consumers because of its good performance and beautiful appearance, and the high quality stainless steel has a longer service life.
The copper floor drain has good performance and is well cleaned. It is very popular, but people in the industry have revealed that 70% of the copper floor drains in the market are made of alloys. Because the surface is very similar, the consumers are not easy to distinguish, and it is easy to be fooled by this type of alloy floor drain. It is easily oxidized and will be broken in a year. In addition, the chrome plating process has serious environmental pollution.
Type water seal deep floor drain drain slow
Under ideal conditions, the traditional water seal floor drain has good deodorant performance, but in actual use, it often appears back-taste phenomenon. The main reason is that there is no water storage for a period of time, and after the water in the water seal evaporates, the water seal will naturally fail. Now. In order to solve this problem, the earth leakage began to evolve in two directions. One is to deepen the water seal and prolong the time for the use of the water seal under no impounding conditions. The second is to develop other isolating devices to assist or replace water seals.
The reporter found that the national architectural design code particularly emphasized that the water seal should not be less than 50mm. The deepening of the water seal's floor drain is based on the traditional ground drain, deepening the depth of the trap, but the consequent drawback is that the ground must be elevated. Because of the deepening of the water seal, the drainage speed will be affected, and water may be present during bathing.
Waterless floor drain must be removed for cleaning
There are also some floor drain products that have no water seal or few water seals. They are placed on the drain outlet with a small gasket. When the drain is drained, the seal opens. When not drained, it uses various forces to close it up. The disadvantage of this design is that there is a lot of hair, cotton fabric and other substances in the sewage. Once these materials are wrapped around the tension bar or stay in the sealing position, the seal must not be removed and cleaned.
This type of product, whether it is using the lever principle, or magnet, spring, its life is limited, and this product can only prevent positive pressure in the pipeline, and can not prevent negative pressure in the pipeline, once the negative pressure will appear Taste back phenomenon.
Buy Tips: How to distinguish copper chrome floor drains from alloy floor drains
1, from the price to distinguish: alloy floor drain price is low, and some in the production in order to cut corners, generally four sides thick, thin middle, copper chrome floor drain the same as the four sides and the middle.
2, from the quality of the distinction: the alloy is soft, easy to scratch with sharp things, scraped open inside is white; and copper chrome floor drain is relatively hard, scraped off the plating inside is the true nature of copper.
Installation: floor drain installation should follow the minimum position principle
The floor drain must be installed in the lowest place on the bathroom floor so that water can flow naturally. The ground at the entrance of the bathroom is generally high, and it is best to add “door stone†to prevent water from flowing out of the bathroom.
Floor drain installation requires a certain height, the drain pipe is too shallow from the ground, will not be able to install a floor drain, and can be installed with relatively shallow floor drains, most of which do not work. In addition, the bathroom should be equipped with a special anti-backfat floor drain, and the floor drain should be 0.5 centimeters or more lower than the floor during installation.
During the installation process, the floor drains and pipelines should be installed strictly. Generally, if there is no special treatment requirement with the pipe, the gap around the floor drain shall be sealed with glass glue or other adhesives to ensure that the odor cannot be emitted. In the case of a floor drain after acceptance of the construction, some water can be poured into the tank to check for obstruction on the one hand and to block the odor on the other.
In use, regular water injection is required to prevent the water seal from drying up. The position of the floor drain should not be placed on the side of the tub and the back of the toilet. If there is a problem that is easy to replace or repair, even the best floor drains need to be cleaned.
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