The concept of environmental protection is deeply rooted in people's minds. After the 80s, new couples will consider the issue of water conservation when choosing a toilet. Based on the current situation, the manufacturers of ceramic sanitary wares are scrambling to play the “water saving toilet†concept in order to gain more market share.
The reporter found that when the merchants promoted and promoted the toilet, they all put water saving as the slogan. The brand of water-saving toilets was also dazzling. The water-saving effect of various toilets is also better than a publicity, from a 6 litre toilet to 5 litres, 4 liters, and even a 2.7 litre water-saving toilet. This variety of brands and the variety of phenomena make many consumers feel that Zhang’s two monks are puzzled.
What is a water saving toilet
Yin Jian, senior engineer at the China Quality Certification Center, said that under the conditions of ensuring hygiene requirements, use of functions, and drainage pipe conveying capacity, no leakage, and a flushing device with a flushing volume of no more than 6 liters is a water-saving toilet. The toilet and its associated water tanks and fittings, pipes, fittings, connections and installation technology shall be used. The water consumption for each flushing cycle shall not exceed 6 liters, which means that the waste can be flushed away from the toilet water trap and discharged into gravity. The product system of the discharge system is a water-saving toilet system.
When the author visited the sanitary ware area of ​​the building materials market, he asked the sales person about the requirements of the new standard for water saving and technical indicators. The sales staff were mostly ambiguous and could not give correct answers. Even those products that have been branded by manufacturers as "water-saving" labels have become unknown.
Water-saving toilets go through several product tests. First of all, in the flushing effect, under the condition that the total flushing water consumption is not more than 6 liters, the following requirements shall be met: The solids are discharged using the polypropylene ball method, and the average number of balls flushed three times is not less than 85; after each flush, With the ink line method, the total length of accumulated ink marks is not greater than 50 mm; the water seal depth and water seal recovery are not less than 50 mm; and the dilution rate after the sewage discharge test is not less than 100 times. Secondly, in the pipeline transport capacity, all four specimens rushed out of the toilet and rushed into the sewage riser through a 5m horizontal pipe, and they should be able to reach 12m. In addition, on the water tank accessories, the operating mechanism must be stable and reliable, easy to operate, flexible and non-jamming; the strength and sealing performance of the water inlet valve should meet the requirements stipulated in the “Standard for Toilet Water Tank Accessories Building Materialsâ€. Product requirements; In 0.05 MPa water supply pressure, the water inlet time is not more than 120 seconds; the overflow outlet must be higher than the effective working surface 20 mm; the inlet valve outlet should be higher than the overflow pipe 20 mm; the drainage valve should not have seepage Leakage phenomenon; when the effective water volume of the tank is 6 litres, the drain flow of the drain valve should not be less than 2.0 liters per second; the service life is more than 50,000 times.
“The national standards of our country have high requirements for water-saving design of sanitary ware. However, in order to pursue the simple water-saving function of the surface, some manufacturers have cut corners on many technical indicators.†experts from the Sanitary Ceramics Association told the author, “according to us According to the data, there are only a few leading brands that can actually achieve 4.5 liters of water consumption and all indicators are qualified. They do not run like water-saving products that the average consumer sees.
The toilet is not the better the water
According to experts, in the lateral flushing distance of the toilet, the new national standard specifies 10.5 meters. Only reaching this flush distance can ensure that the dirt will be flushed out of the house, and the so-called two-liter, three-liter water-saving toilet will only be dirty. Things flushed out of the toilet didn't really flush out of the house, potentially causing dirt backflow. Analysts in the industry also believe that bathroom products cannot be used solely to determine whether they are energy efficient, and overall factors should be considered. Such as toilets, to consider the relationship between products and housing construction, deodorant anti-blocking and so on.
In response to the increasing water-saving misconceptions in the market, Wrigley's general manager Fang Chun introduced: "The bathroom product is a versatile whole product. The convenience of use, the thoroughness of cleaning, the appearance of aesthetics, etc. are all to evaluate a bathroom. The indispensable factor in the quality of the product, the bathroom is not the better the water, the overall performance must be considered."
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