swimming pool water purification and disinfection
(1) circulating water purification and disinfection equipment
1. the swimming pool should be equipped with circulating water purification and disinfection equipment, and can meet the requirements of water quality treatment. the water quality circulation purification and disinfection equipment of swimming places should be kept intact, establish a regular inspection and maintenance system, and make regular inspections, maintenance and repairs and make records. if problems are found to be repaired in time, emergency measures should be taken to ensure that all facilities and equipment are in normal operation and in good condition.
2. the choice of circulating water purification and disinfection equipment should meet the following requirements:
(1) the equipment is safe and reliable, and easy to operate and maintain;
(2) the metering device is accurate and flexible;
(3) the dosing system can be automatically controlled and is safe and reliable;
(4) at least one set of spare parts should be set for the chlorinator. the chlorinator should have a stable and uninterrupted water source. the operation and stop of the chlorinator should be combined with the operation and stop of the circulating water pump.
(2) swimming pool water disinfection
1. the choice of disinfectant should meet the following requirements:
(1) strong sterilization and disinfection function, and has the function of continuous sterilization;
(2) it has no pollution to water and the environment, and does not change the water quality of the pool;
(3) it is not irritating or irritating to the human body;
(4) it is less corrosive to building structures, equipment and pipelines.
2. ozone, uv or other methods of disinfection may be used wherever possible and desired. when disinfecting with ozone or ultraviolet light, it should also be supplemented with chlorine to maintain the continuity of disinfection.
3. the amount of chlorine added to the swimming pool water (including the new water continuously supplied by children in the pool) is determined by the amount of free chlorine in the pool water of 0.3-0.5 mg/l. the amount of chlorine in the water in the disinfection tank is determined by the amount of free chlorine in the pool water. for the calculation of 5 to 10 mg / liter, the dosing time is preferably performed 1 to 2 hours before the opening. when the swimming place is open, the residual chlorine in the swimming pool water should be measured regularly and recorded. conditional, when the indoor swimming place is open, the residual chlorine is measured every 2 hours; when the outdoor swimming place is open, the residual chlorine is measured every hour.
(3) in order to prevent algae from growing in artificial swimming pools, algaecides should be added to the pool water. if copper sulphate is used, the maximum dosing amount should not exceed 1.0 mg/l.
swimming place disinfection
(1) the outer edge of the swimming pool, the walkway along the pool and the sanitary facilities shall be cleaned, scrubbed or washed once before and after each shift. when contamination is found, it can be sprayed or wiped with chlorine disinfectant at a concentration of 250-500 mg/l, and then scrubbed with water. the emergency room should be cleaned and disinfected regularly.
(2) the shower room should be brushed frequently, and the ground can be disinfected regularly with a chlorine-containing disinfectant at a concentration of 500 mg/l.
(3) the locker should be cleaned and disinfected after the daily opening. it can be sprayed or wiped with chlorine disinfectant at a concentration of 250-500 mg/l, and then scrubbed with water.
(4) public toilets (toilet) and garbage bins (barrels) should be cleaned daily and regularly disinfected with chlorine disinfectant at a concentration of 500 mg/l.
(5) centralized air-conditioning systems shall be regularly cleaned and disinfected in strict accordance with the requirements of the “administrative measures for centralized air-conditioning ventilation systems in public places”.
disinfection of public goods
(1) the public facilities (including slippers, tea sets, etc.) used by swimmers in swimming places should be replaced by one guest.
(2) cleaning and disinfection of slippers: special slippers or toilets should be set up.
1. set up two decontamination tanks or decontamination buckets, equipped with rubber gloves, disinfectant drugs, water sources, etc.
2. cleaning: wash the slippers with water or detergent first.
3. over water: rinse the slippers with water in a pool or a bucket.
4. disinfection: soak the slippers completely in the disinfection tank or disinfection tank. the disinfectant concentration and soaking time should be strictly operated according to the instructions. when using chlorine-containing disinfectant, the effective chlorine content of the soaking solution should reach 250-500 mg / liter, and the soaking time should be no less than 30 minutes;
5. cleaning: remove the slippers from the disinfectant, rinse with clean water, remove the residual disinfectant, let cool for 10 to 15 minutes, and place the cleaning cabinet or safe deposit box after the slippers are dry.
(3) cleaning and disinfection of cups: it should be carried out in a special cup-washing room according to the cup washing and washing operation rules.
1. decontamination cleaning: clear the residue and tea in the cup, then wash it in the washing pool with detergent, rinse the cup with water and pay attention to the cup.
2. disinfection: completely soak the cup in the disinfection tank. the concentration of the disinfectant and the soaking time should be strictly operated according to the instructions. when using the chlorine disinfectant, the effective chlorine content of the soaking solution should reach 250 mg/l, and the soaking time is quite a lot. in 30 minutes; if using an electronic disinfection cabinet, it can be directly decontaminated and cleaned and placed in an electronic disinfection cabinet for disinfection.
3. over water: rinse the cup with water in the pool to remove residual disinfectant.
4. cleaning: the cup after disinfection should be placed upside down in the cleaning cabinet. if the towel is used as a cushion in the cleaning cabinet, the towel should be replaced, cleaned and disinfected regularly.
precautions
(1) disinfectants should be purchased from manufacturers or business units with complete licenses. when purchasing, an acceptance system should be established and records should be made. in accordance with relevant state regulations, the inspection certificate and the sanitary license of the production enterprise or the approval of the relevant product hygiene permit should be obtained.
(2) the disinfectant shall be sealed and stored in a covered container. the storage place shall be ventilated, dry, cold and protected from light; establish a registration and registration system for disinfectant in and out of the warehouse, and record the name, quantity, origin and purchase of the disinfectant in detail. date, date of manufacture, shelf life, packaging, and evidence, etc., and stored in the order of warehousing time.
(3) wear uniforms, masks and rubber gloves during disinfection to avoid direct contact with skin and mucous membranes. if conditions permit, wear eye masks when preparing.
(this article is from: guangdong hangyi water park equipment co., ltd. http://www.gdhangyi.com)
