Meishan PPH storage tank installation
HDPE storage tank is used as a sealed vessel for storing liquid or gas, which is called storage tank. The construction of HDPE storage tank project is an indispensable and vital infrastructure construction for oil and gas, chemical industry, grain, oil and food, food factory, fire safety, transportation, metallurgy industry, national defense safety and other professions. Because the area and environment of use are different, the intensity of sunlight is also different. The intensity of sunlight will have a certain impact on the service life of HDPE storage tanks, so sunscreen is also part of daily maintenance, which can extend the service life and reduce daily wear and tear. In the application process of HDPE storage tank, if conditions permit, it can be placed indoors, which can effectively avoid the problem of sunscreen. However, if the HDPE storage tank is placed outdoors, it must be maintained if it is exposed to wind and rain. Make a sunshade to prevent direct sunlight. The other way is to apply a light color coating on the surface of HDPE storage tank to reduce heat absorption and resist ultraviolet rays, and also improve the aging resistance of HDPE storage tank. In use, factors that can cause certain damage should be avoided, especially the sunscreen problem of polypropylene storage tank.
Meishan PPH storage tank installation
PPH waste gas treatment tower is generally divided into cylindrical tower body or square tower body. The cylindrical tower body is generally vertical tower, and the square tower body is generally horizontal tower. There are multi-stage packing rings inside. During operation, the waste gas flows upward from the bottom of the tower. Due to tangential entry into the tower, especially the guiding effect of the packing layer, the flue gas rotates and rises, resulting in full contact between the packing layer and the waste gas, which sprays the downstream liquid into droplets, leaving a large contact area between gas and liquid; The liquid droplets will also be driven by the air flow to rotate, and the centrifugal force generated will strengthen the air contact at night. They will fall onto the tower wall and flow down along the wall, passing through the overflow device to the next layer of packing, and then the spray nozzle will atomize again for gas-liquid contact.
Meishan PPH storage tank installation
What are the anti-corrosion treatment of PPH storage tank? For PPH storage tanks storing oil and product oil, since the performance required by the anti-corrosion materials in PPH storage tanks is electrostatic conduction, all PPH storage tanks shall be subject to anti-corrosion treatment with electrostatic conduction coating. The treatment of the external anti-corrosion coating of the tank is a comprehensive treatment that takes into account the anti-corrosion performance, weather resistance and aesthetic performance of the tank. In the design of anti-corrosion coating for PPH storage tank, it is necessary to consider that each anti-corrosion coating has temperature resistance and compatibility. If the alkyd anti-corrosion coating is used, it is necessary to avoid direct matching, because it will react with zinc powder. The cathodic corrosion protection of the tank is divided into impressed current cathodic protection on the outside of the bottom plate of the tank, and protective treatment on the anode of the ponding layer in the tank.
Meishan PPH storage tank installation
For the treatment of corrosive gases (such as acid and alkaline waste gas) in PPH waste gas tower, liquid absorption method is often used. The key to control the waste gas by liquid absorption is the selection of purification equipment. The main development is acid and alkaline waste gas purification process and equipment with high purification efficiency, simple operation and management, and long service life. This process and product are characterized by simple structure, low energy consumption, high purification efficiency and wide application range, and can effectively remove water-soluble gases such as hydrogen chloride (HCl), hydrogen fluoride (HF), ammonia (NH3), sulfuric acid mist (H2SO4), chromic acid mist (CrO3), cyanuric acid gas (HCN), alkali vapor (NaOH), hydrogen sulfide gas (H2S), formalin (HCHO), etc. The acid mist waste gas is introduced into the purification tower through the air duct. After passing through the packing layer, the waste gas and sodium hydride absorption liquid are fully contacted, absorbed and neutralized by gas-liquid two-phase reaction. After purification, the acid mist waste gas is dewatered and defogged by the demister, and then discharged into the atmosphere by the fan. The absorption liquid is sprayed down from the tower top after being pressurized by the water pump at the tower bottom, and then flows back to the tower bottom for recycling.
