The Flowmeters Needed for Wastewater Treatment in Alcohol Plants
The wastewater in the alcohol manufacturing process is mainly from the alcohol residues discharged after the distillation fermentation matured, the washing water of the production equipment, and the cooling water of the boiling, saccharification, fermentation, distillation process, etc.
Alcohol wastewater is an organic substance with excessive concentration, excessive temperature, and excessive suspended matter, causing serious environmental pollution. In the process of wastewater treatment, raw wastewater is corrosive and contains particles, suspended solids, solid-liquid mixtures, and requirements for product corrosion resistance.
electromagnetic flow meters, vortex flow meters, metal tube rotor flow meters, volumetric water meters, Coriolis mass flow meters, etc. can be applied for measuring the flow of wastewater in an alcohol manufacturing plant.
In choosing the electromagnetic flow meters, we should consider the below items:
1. Using polytetrafluor oethylene (PTFE) anti-corrosion lining material and acid-resistant tantalum electrode (Ta) to measure acidic liquid transport pipeline throughout manufacturing.
2. Using a polyfluoropropylene (F46), a corrosion-resistant and excessive-temperature resistant lining material, and a salt-resistant corrosion-resistant HC electrode to measure a salt solution transport pipeline at an excessive temperature of 130 ° C.
3. The flow measurement points at some locations in the plant apply an explosion-proof (BT4) meter.
The setup site and environmental necessities of the vortex flow meter:
Throughout the setup of the vortex flow meter, is probably a few incorrect setups. It is vital to guide the consumer to select the setup location and environment properly.
The position of the vortex flow meter set up needs to have sufficient straight pipe sections upstream and downstream, and the pipe cannot be bent.
It is incorrect to hold the flow meter welding throughout the setup process, which might harm the flow meter.
On-site installation of orifice flow meter:
The orifice flow meter is heavy and massive. It takes two working days to install a whole flow meter, which needs us to choose and install the flow meter based on the actual situation.
For instance, the selection of the differential pressure transmitter needs paying attention to the impact of the temperature on the length of the breath tube. When the steam temperature is less than 200 °C, the impact isn't great. However, if it exceeds 200 °C, it is vital to increase the length to ensure the normal and stable operation of the product.
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