Another large project ended with success. It was the production of 7 tanks for a company from the fertilizer industry. All tanks were made of acid-resistant steel of the grade. All tanks are made of EN 1.4404 stainless steel in places of contact with the medium, other elements are made of EN 1.4301 steel. Below there is a brief description of the individual tanks:
- storage tank with a capacity of 28 m3. The tank is used to store permeate, which is waste from the membrane filtration process, in which the concentration of humic acids takes place. The device is equipped with a heating pipe on the cylindrical part to protect it against freezing. Additionally, the tank is equipped with safety railings and a ladder, enabling access to the roof of the tank. The tank is placed on a circlip.
- mixer with a capacity of 28 m3. The tank is used to mix non-concentrated humic acid solutions. . The tank is equipped with a low-speed stirrer for even distribution of the acid solution in the volume of the mixer, as well as for improving the heat transfer from the mixer walls. To this end, a pillow-plate heating jacket was used on the cylindrical part and on the bottom. The tank is equipped with a railing and a ladder with a protective cage. The tank is placed on four legs.
- mixer with a capacity of 28 m3 The tank is used to mix concentrated humic acid solutions. . The tank is equipped with a low-speed stirrer for even distribution of the acid solution in the volume of the mixer, as well as for improving the heat transfer from the mixer walls. To this end, a pillow-plate heating jacket was used on the cylindrical part and on the bottom. Additionally, the mixer is equipped with a railing on the upper bottom and a ladder with a protective cage. The tank is placed on four legs
- mixer with a capacity of 2 m3. The tank is used to neutralize the acidic washings. A tank has a heating pipe on the lower bottom and on the cylindrical part of the tank to protect it against freezing.
- mixer with a capacity of 4.25 m3. The tank is used to neutralize the finished product, which is a concentrated solution of humic acids. Mixer is equipped with a pillow-plate jacket on the lower bottom and on the cylindrical part of the tank. Additionally, the mixer is equipped with a low-speed frame stirrer with the possibility of speed regulation.
- 3 m3 mixer – 2 pcs The tank is used to extract humic acids from lignite. The tank is equipped with a pillow-plate heating jacket on the lower bottom and the cylindrical part of the tank.
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