Picture data of homemade fish tank cylinder filter I just made the number,Give you a design plan to adopt!This is what I do with my fish tank,In the place where the hole is opened, the screw cap water pipe is connected,If a sealing ring is added in the middle, it will not leak,Not counting the total down of the pump less than 50 yuan PVC 110 thick tube 40 with two blocks 15 yuan.The rest of the tube is less than 10 yuan cheaper, and the joint costs 15 yuan enough to buy a 60 W water pump for 47 yuan.Homemade is not recommended.The cost of self-control without long-term hands-on is higher than that of ingredients.
What is the water in the oxygen filter? The water in the oxygen filter is distilled water,There are two main reasons for the water in the wall of the oxygen suction tube,One is caused by improper human operation.The other normal condensation caused water on the wall of the straw,It will not have any impact on the use of the machine and the effect of oxygen therapy.1. nasal plug and nasal catheter oxygen inhalation method: nasal plug is placed in one side of the nasal court,And close contact with the nasal cavity oxygen.The nasal catheter method is to insert a catheter into the tip of the nasal cavity for oxygen inhalation.2. mask oxygen inhalation method: mask the patient's oral and nasal oxygen inhalation,Better than nasal congestion and nasal catheter oxygen inhalation,But it may cause respiratory poisoning.3. oxygen inhalation through the mouth: if the patient has nasal congestion or open mouth breathing,Can oxygen through the mouth,That is, put a large catheter into the mouth for oxygen inhalation.Di
How can the domestic sewage of the hotel be filtered and purified again without sewage discharge? Domestic sewage is the wastewater discharged from residents' daily life,Mainly from residential buildings and public buildings,Such as housing, institutions, schools, hospitals, shops, public places and industrial enterprise toilets.The pollutants contained in domestic sewage are mainly organic matter (such as protein, carbohydrates, fat, urea, ammonia nitrogen, etc.) and a large number of pathogenic microorganisms (such as parasite eggs and intestinal infectious diseases, etc ).The organic matter existing in domestic sewage is extremely unstable,It is easy to corrupt and stink.Bacteria and agents breed in large quantities with organic matter in domestic sewage as nutrients,Can lead to the spread of infectious diseases.So,Domestic sewage must be treated before discharge. The most important domestic sewage is PH,Suspended matter,Chemical oxygen demand,Ammonia nitrogen,Total phosphorus,These values of residual c