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The aeration hose is a new type of aeration aerator that has been successfully developed by the West Germany technology. The thin wall and straight channel greatly reduce the loss of aeration resistance; the variable hole and the slit automatically open and close, completely solve the problem of blockage of the aerator; the hose is linear aeration, which makes the cloth gas uniform and forms vertical To the circulation, the agitation and mixing are more uniform; the bubbles are small, the oxygen utilization rate and the power efficiency are high.
1. Characteristics of aeration hose
1. The inner layer of the material is woven into a reinforced mesh sleeve by polyester yarn. The outer layer is made of polyvinyl chloride (or reinforced PVC) and anti-aging additive. The length is customized according to the actual size of the user's pool.
2. The surface of the circumference of the hose has air holes. When aerating, it swells. When it is not aerated, it is crushed by the hydrostatic pressure. The micropores are closed, which avoids the sewage backflow to a certain extent and solves the blockage problem. Because the pores of the hose are long and narrow, the width is variable, and the width of the pores can be changed according to the increase or decrease of the gas supply amount, which can give the sewage a certain stirring power when the oxygen transfer rate is increased, thereby making the simple aeration more diverse. Turn.
3, acid and alkali resistance, aging resistance, no tear, long life, low cost.
4. The inner diameter of the hose is 62.5mm, the wall thickness is about 2mm, the air passage is short and straight, the air pressure loss is small, the air distribution is uniform, the service area is wide, the aeration intensity is large, there is no dead angle, and the oxygen utilization rate and power efficiency are high.
5, the product is curled and packaged, the freight is low, the installation is very simple, there is no hidden danger, the designer has no worries.
Second, the scope of use of aeration hose
1. Variable hole aeration hose is a new type of energy-saving aeration equipment for petrochemical, textile, refining, coking, papermaking, printing and dyeing, slaughtering, brewing, pharmaceutical, leather and other industrial wastewater and urban sewage treatment.
2. It is used for pre-aeration of sewage regulating tank to prevent sedimentation of large particles and remove some organic matter.
3. When the efficiency of the aerator that has been operated is low or the clogging is frequent, the aeration hose can be used for modification to improve the oxygenation capacity and the stirring effect.
4. High-density fish culture system for circulating water used in aquaculture and oxygenation in common fish ponds.
Third, aeration hose installation precautions
1. When installing the aeration hose, a leak-proof lining must be used, and the clamp must be caught in the joint groove.
2. The air line must be thoroughly purged before the aeration hose can be installed.
3. The installation aeration hose must be straightened, and the middle must not be twisted, swayed or arched.
4. During installation and after installation, it is strictly forbidden to weld and other open flame operations on the site. If work is required, apply fireproof material to cover the aeration hose to avoid scalding the aeration hose.
5. When the aeration hose is handled and installed, it cannot be thrown or pulled to avoid the wall wear.
6. After the installation is completed, check whether the joints meet the requirements. After the error is correct, release the water. The water surface should be submerged more than 300mm of the aeration hose to check whether the aeration is even and the joint is leaking.
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