JDB电子

1、 Unit conversion of reverse osmosis membrane 1. Unit conversion of size, pore diameter, diameter, area and water yield of imported reverse osmosis membrane? A: in China's water treatment process, the length unit is generally expressed in mm, and the calibration unit of imported equipment nee...

Charging system of boiler water 1. Ammonia: adjusting pH value 2. Hydrazine: deaeration The two agents are pumped to deaerator through dosing to adjust pH value of feed water and remove oxygen in water. 3. Phosphate (trisodium phosphate) is added directly to the boiler drum. It also regulates pH...

Water is the source of life, water accounts for 70% of the human body composition. Scientific research shows that the average daily water demand of adults is more than 2500ml, which can be said that water quality is the basic guarantee of health. Turn on the tap and the tap water flows out slowly. ...

The first step preparation 1. Prepare all possible tools for construction Including: rubber boots, rubber gloves, protective glasses, wrench (remove the end cover of module housing), pipe clamp, glycerin, etc 2. Clean the upstream water inlet pipeline; 3. Carefully evalsuate the quality of the in...

With the rapid development of the semiconductor industry, the requirements for semiconductor production technology are higher and higher. Semiconductor production has strict requirements on water consumption. The application of industrial ultra pure water equipment in the industry has played an impo...

Sanitary landfill is the most common domestic waste treatment technology in China. Through aerobic and anaerobic reaction, the inorganic substances and organic matter produced by decomposition in the waste will form the landfill leachate with rainwater, water brought by the garbage itself and the wa...

In sewage treatment plant, water pump is the most commonly used moving equipment, and also the movable equipment which is prone to problems. The treatment of pump failure should be based on specific problems and actual analysis, and the principle of "outside first and then inside" should be followed...

Water hammer effect, in the pressure pipeline, due to some external reasons (such as the sudden closure of the valve, the sudden stop of the pump unit), the water velocity changes suddenly, resulting in water hammer. This kind of hydraulic phenomenon is called water hammer or water hammer.