Purchasing skills of water-saving toilet

2022-07-22
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The concept of environmental protection is deeply rooted in the hearts of the people. New couples born in the 1980s will consider the problem of water conservation when choosing toilets. Based on the current situation, manufacturers of ceramic sanitary ware are scrambling to adopt the concept of "water-saving toilet" in order to win more market share

the concept of environmental protection is deeply rooted in the hearts of the people. New couples born in the 1980s will consider the problem of water conservation when choosing toilets. Based on the current situation, manufacturers of ceramic sanitary ware are scrambling to adopt the concept of "water-saving toilet" in order to win more market share

the reporter found that when selling and publicizing toilets, businesses all put the slogan of water saving first, and the brand of water-saving toilets is also dazzling. The water-saving effect of various toilets is also better than that of others, from 6-liter toilets to 5-liter, 4-liter toilets, and even 2.7-liter water-saving toilets. This phenomenon of various brands and varieties makes many consumers feel confused

what is a water-saving toilet?

Yin Jian, a senior engineer of the China Quality Certification Center, said that under the condition of ensuring sanitary requirements, use functions and the transmission capacity of drainage pipelines, a toilet that does not leak and has a flushing volume of no more than 6 liters at a time is a water-saving toilet. The water-saving toilet system is composed of the toilet and its supporting water tank and accessories, pipes, fittings, interfaces and installation and construction technology. The water consumption in each flushing cycle is no more than 6 liters, that is, the sewage can be washed away from the toilet trap and discharged into the gravity drainage system

when the author visited the sanitary ware area of the building materials market and asked the salesperson about the requirements of the new standard for water conservation and technical indicators, most of the salesperson were vague and could not give a correct answer. Even those products labeled as "water-saving" by manufacturers, whether they really meet the standard requirements has become unknown

water saving toilets need to pass several product tests. First, in terms of flushing effect, under the condition that the total flushing water consumption is not more than 6 liters, the following requirements should be met: the polypropylene ball method is used for solid discharge, and the average value of the number of balls through three flushes is not less than 85; After each rinse, use the ink line method, and the total length of accumulated residual ink marks shall not be greater than 50mm; Water seal depth and water seal recovery shall not be less than 50mm; The dilution ratio after sewage discharge test shall not be less than 100 times. Secondly, in terms of pipeline transportation capacity, all four test pieces rushed out of the toilet and into the sewage riser through a 5-meter horizontal pipe, which should be able to rush out of 12 meters. In addition, on the accessories of the water tank, the control mechanism should be stable and reliable, easy to operate, flexible and free of jamming; The strength and sealing performance of the water inlet valve shall meet the first-class requirements specified in the industrial standard for building materials of low water tank accessories of toilet; Under the water supply pressure of 0.05 MPa, the water inflow time is not more than 120 seconds; The overflow outlet must be 20mm higher than the effective working water surface; The water outlet of the water inlet valve should be 20mm higher than the overflow pipe; The drain valve shall be free of leakage; When the effective water volume of the water tank is 6 liters, the drainage flow of the drain valve should not be less than 2.0 liters per second; The service life is more than 50000 times

"China's national standards have high requirements for water-saving design of sanitary ware. However, some manufacturers cut corners on many technical indicators in order to pursue the simple water-saving function on the surface." An expert from the sanitary ceramics Association told the author, "according to the information we have, at present, only a few leading brands can really achieve water consumption of 4.5 liters and all indicators are qualified, which is not like what ordinary consumers see - water-saving products are everywhere."

the more water-saving the toilet, the better.

according to experts, in terms of the horizontal flushing distance of the toilet, the new national standard stipulates 10.5 meters. Only when this flushing distance is reached can the dirt be flushed out of the house. The so-called 2-liter and 3-liter water-saving toilets only flush the dirt out of the toilet and do not really flush out of the house, which may cause the return of dirt. Industry analysts also believe that sanitary products can not only determine whether they save energy from water consumption, but should consider the overall factors. For example, the toilet should consider the relationship between products and housing construction, odor prevention and blockage prevention, etc

in view of the growing misunderstanding of water saving in the market, Fang Chun, general manager of Wrigley business department, said: "bathroom products are a multi-functional overall product. The convenience of use, the thoroughness of cleaning, the beauty of appearance and so on are all indispensable factors to evaluate the quality of a bathroom product. The more water-saving the bathroom is, the better. The overall performance must be considered." (source: China building materials first network)

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