People in swimming pool is a venue where people can inside activity or competition. Most swimming pool built in the ground, according to the water temperature can be divided into the general pool, and a heated swimming pool. The pool is swimming venue, in which activity or game. Most swimming pool built in the ground, according to the water temperature can be divided into the general pool, and a heated swimming pool. Swimming pool special place. At the indoor and outdoor two kinds. Official competition pool is 50 meters long with at least 21 meters wide, depth of 1.8 m or more; for swimming, diving and water polo pool integrated use of depth of 1.3 to 3.5 meters; located 10 meters platform in the pool, the water depth should be 5 meters. Pool water temperature should be maintained at 27 ~ 28 ° c. Proper filtration and disinfection equipment to keep the water clean. 50 m standard pool length, 21 meters wide, the Olympic Games World Championships in claim 25 meters wide, in addition to the pool there is only half the length of the 25-meter pool that is called short-course. Depths greater than 1.8 m. There are eight lanes, each 2.5 meters wide, 0.5 meters plus side road. Departure station located in each lane should be centered on the center line, the table 50 cm × 50 cm. Taiwan faces the leading edge of the water should be 50-70 cm above the water, the tendency of the water table should not exceed 10 degrees. Swimming pool deck width departure station side is generally not less than five meters, the remaining pond shore of not less than 3 meters. Official competition pool, pond shore station departure of not less than 10 meters wide, the other shore is not less than five meters wide. International has a 25-meter pool, game length: 20 * 50m = 1000m2 or width: 20 * 25 = 500m2 (1) a cell length is generally 50m, tolerance + 0.03m. In the pool-side can be installed when the shock plate adjusting device, (electric shock board size 2.4m × 0.9m × 0.01m, 30cm placed at both ends of the wall surface. Submerged 60cm. Plate surface and marked with bright colors and wall signs line the same symbol line.) pool a total length of 50m, short-course length 25m, short-course total length 25m, tolerance + 0.02m. Both ends of the wall from the water at 30cm to 80cm underwater must comply with this requirement. (2) pool width 21m, the requirements of the Olympic Games World Championships 25m. (3) water depth requirements ≥1.8m. It may be no more than 1.2m from the surface deep within the wall in a seating platform, station wide 10 ~ 15cm. (4) contest every 2.5m wide lanes, plus a sidewalk 0.5m, partakers lane road between the two lines, lane lines with a line of buoys hanging on the wall at both ends of points, wall hung equipped hook, bottom and pool lane centerline of the end wall should be set as a dark mark line. (5) located in the starting block should be centered on the center line of each lane, table 50cm × 50cm. Taiwan faces the leading edge of the water should be above the water 50 ~ 70cm. Table tendency water should not exceed 10 ", and to ensure the athletes departure to seize the front and sides of the table, starting the stage should be set does not protrude outside the backstroke handgrip wall, above the water 30 ~ 60cm, and horizontal and vertical two kinds. Lanes should be marked around the starting block number of numbers, numbers from the departure direction are arranged from right to left. (6) Swimming pool overflow tank must be installed on both sides of the wall to keep the water requirements to try and drain away surface floating dirt. Climbing the ladder should be embedded pool swimming pool, the number of usually 4 to 6, the position should not affect the referee. (7) Pool necessary vertical flat wall, the bottom non-slip, smooth and clean the pool surface is easy to clean. Usually white mosaic wall stickers, stickers bottom white glazed tiles, glazed tiles lane marking line is black. Pool deck width (8) Roll-wide general departure station side pond shore ≥5m, rest pond shore ≥3m. Official competition pool, pond shore starting block width ≥10m, other bank wide ≥5m regular class routine pool level generally: world-class competition pool size is 50m * 25m * 2m; national competition pool 50m * 21m * 2m, pool general width 25m long swimming pool area clubs without limitation circulating water swimming pool water points physical and chemical processes in two parts, these two processes are indispensable in the pool water treatment process. Physical processes swimming pool water circulating through the filtration water treatment equipment so that water purification. Chemical processes at the same time the water cycle refers to chemicals added to its disinfection, flocculation, algae and other processing, and then through the action of the physical processes to make water clean and sanitary. These two processes at the same time to ensure the water quality up to the national standard, so that your pool passed the inspection of health and epidemic prevention departments. The most important thing is to pool exercise people can really achieve fitness purposes, and will not be infected with the disease. Pool water cycle is divided into the following three conditions: downstream: from the bottom through the water pumping system from the wall and then into the pool countercurrent: overflow ditch water pumped through the system into the pool from a mixed stream from the bottom surface of the pool: is In both cases exist where downstream is the most common, because the construction is relatively simple, and countercurrent construction complex, but clean water and good water quality. Water disinfection of swimming pool water disinfection is a very important issue, if resolved, the pool will probably be the place for the spread of disease. Pool water temperature suitable, the environment is suitable for the growth of typhoid, paratyphoid, dysentery, hepatitis, acute conjunctivitis, impetigo and other pathogens, hepatitis virus, encephalitis virus is often transmitted diseases to swimming pool water disinfection way through the water General shall meet the following requirements: 1, shall be taken by disinfection with a strong sterilization effect, can quickly and kill a lot of bacteria, namely the eradication of 99.9% of microbes within 30 seconds; 2, sterilization effect due reasonable duration, enables the swimmer into the pool of new pollution control action is effective; 3, swimmer's mucous membranes, skin must be non-irritating, and there will not be a bad smell in the air; pool 4, the dose must be easy to control, and can use a simple method for the rapid determination of drug is present in water and their effects; 5, while the test filter all relevant factors, in capital and transportation costs must be reasonable economy. The most commonly used chlorine disinfection. Chlorine in the water can produce hypochlorous acid, hypochlorite will spread to the surface of the bacteria through the cell membrane into the interior of the cell, the bacteria inside due to the oxidation chlorine atoms broken ring of a certain enzyme in the bacterial system, so that the final leading to death of bacteria. An important feature of chlorine disinfection in sterile water, you can maintain the appropriate amount of chlorine needed so they can be used in water, the body constantly exposed to contaminated water is continued for disinfection. General swimming pool water chlorine residual requirements 0.4-0.6mg / 1, in addition, in order both to ensure the efficiency of disinfectants, and can not cause corrosion of equipment and the pool surface, requiring the pool of water that is relatively pH PH value is maintained at 7.4-7.6. Through chlorine disinfection method commonly used chlorine, hypochlorite. Chlorine has the advantage that simple, low cost, can kill many bacteria, pathogens, viruses and parasite eggs to prevent cholera and typhoid epidemic played a key role, but highly toxic substances leaking out, storage and use must safety, strength sodium hypochlorite solution is commonly used fungicides, efficient and excellent oxidant bleach, widely used in the domestic public. Compared with other disinfectants, sodium hypochlorite has a broad-spectrum, highly efficient, rapid disinfection, and safe, non-toxic, non-toxic side effects on the human body, wide range of uses, is the ideal chlorine-based disinfectants, preparation convenient and safe convenient and efficient disinfection products. Its chlorine content of 12.5% ??-13.5%, and very unstable, decompose, can not go far. Evaluation of disinfectants to kill the ability to consider and stability in water, four commonly used disinfectant for water treatment that is chlorine, chlorine dioxide, sodium hypochlorite, chloramine, ozone is concerned, the ability to see from sterilization, ozone> chlorine dioxide> Sodium hypochlorite> chlorine> chloramine; from stability, the chloramine> sodium hypochlorite> chlorine dioxide> chlorine> ozone. It can be seen, sodium hypochlorite is a good and stable disinfection disinfectant, it not only can be used for a variety of water disinfection, but also for other health disinfection. Features sodium hypochlorite disinfectant generator and several comparison: 1, sodium hypochlorite, high solubility in water, volatilization from the water is small, almost smell the odor but not sterilized. While the use of chlorine disinfection, the operation was not part of the chlorine from the water to escape the smell of large, take some time to stop cell exhaust ventilation, sodium hypochlorite pool you do not need to stop, thus extending the open pool time, you can swim side edge disinfection, flexibility, randomness, and less constraints. 2, liquid chlorine transportation difficulties, easy storage, and a highly toxic substance chlorine, there is a great risk to humans and animals, especially in long-term operations personnel, susceptible to bronchitis and bronchitis. 3, sodium hypochlorite oxidation, bleaching, to smell, to taste the effect is significant, can significantly change the water color, smell sense, does not react with ammonia, nitrogen, and nitrogen-containing organic compounds. Sodium hypochlorite is a strong oxidant, it does not replace the reaction of chloramine, chlorophenol, chloroform and other chlorinated organic compounds and organic matter in water. Carcinogens in water, organic toxicants has strong oxidative degradation. 4, sodium hypochlorite sterilization broad-spectrum, highly efficient, viruses, spores and so has a strong ability to kill, with less exposure time is short, good effect. Practice has proved that sodium hypochlorite is very suitable for swimming pool water disinfection, water supply and spread the virus to kill all bacteria, microbes. 5, sodium hypochlorite, the growth of algae in the water to kill and inhibit the ability, in dosing sodium hypochlorite, can kill the algae breeding in a very short time. 6, sodium hypochlorite generator is liquid, and therefore stability, security, non-hazardous risks, dosing convenience, easy to implement scaling dosing. The chlorine dioxide generator is due to the generation of gas, poor stability, the dosage is difficult to control; dangerous if dosing process fails, there are explosion. 7, sodium hypochlorite generator, the technical indicators are national standards, the chlorine dioxide generator, but is non-standard products, the user can not for the purchase of equipment for quality inspection. 8, chlorine dioxide generator is saturated brine electrolysis to produce a comprehensive disinfection gas, chlorine dioxide experiments show that low body content of only 8-10%. Then there is the use of chlorine dioxide generator membrane electrolysis, filter membrane is a permeable membrane, easy to plug, often need to be replaced, in the electrolysis process but also artificial row and rows of pale base electrolyte. Sodium hypochlorite generator is no diaphragm electrolysis, no exchange membrane of labor, nor do they need rows and rows of light alkali electrolyte, not labor intensity. Pool 9, chlorine dioxide dosing is added to water as a transport carrier to be disinfectant body, this is a waste of water, sodium hypochlorite dosing directly, without water as a carrier. 10 tons of sodium hypochlorite treatment costs about 0.02 yuan, while tons of water treatment costs about 0.05 yuan chlorine dioxide. In short, the swimming pool water disinfection, the use of sodium hypochlorite disinfection efficiency, low consumption, safe and reliable, the ideal choice for disinfectant products. 

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