A Met-Chem clarifier uses a parallel plate design. Water is fed into the inlet trough of the flocculation tank. The wastewater and polymer flocculant are introduced simultaneously in the flocculation mixing chamber, if that option is selected. The flocculated water then flows over the first baffle, then under the second and finally flows to the body of the clarifier. The overflow/underflow allows time for the solids to gain size so that they settle out more easily. The wastewater is then directed to the bottom of the cone and back up through the plate pack. Some solids will settle as the waste stream makes its way to the clarifier cone. However, some particulate will be pushed up to the plate packs. The 60 degree angle of the plates provides a highly effective settling area in a small footprint. As some solids are forced up to the plate pack they start to settle upon each other gradually becoming heavier and ultimately slide down the plate pack to the clarifier cone. The clean water overflows from the effluent port and is suitable to proceed to the drain to city sewer or to an inspection tank. Sometimes a portion or all can be polished and reused. The clarifier sludge is then pumped from the bottom of the clarifier into a sludge thickening tank to feed a Met-Chem filter press.
Showing posts with label clarifier. Show all posts
Showing posts with label clarifier. Show all posts
Tuesday, May 1, 2018
How does a clarifier work?
A Met-Chem clarifier uses a parallel plate design. Water is fed into the inlet trough of the flocculation tank. The wastewater and polymer flocculant are introduced simultaneously in the flocculation mixing chamber, if that option is selected. The flocculated water then flows over the first baffle, then under the second and finally flows to the body of the clarifier. The overflow/underflow allows time for the solids to gain size so that they settle out more easily. The wastewater is then directed to the bottom of the cone and back up through the plate pack. Some solids will settle as the waste stream makes its way to the clarifier cone. However, some particulate will be pushed up to the plate packs. The 60 degree angle of the plates provides a highly effective settling area in a small footprint. As some solids are forced up to the plate pack they start to settle upon each other gradually becoming heavier and ultimately slide down the plate pack to the clarifier cone. The clean water overflows from the effluent port and is suitable to proceed to the drain to city sewer or to an inspection tank. Sometimes a portion or all can be polished and reused. The clarifier sludge is then pumped from the bottom of the clarifier into a sludge thickening tank to feed a Met-Chem filter press.
Tuesday, April 24, 2018
Clarifiers for wastewater treatment, manufactured by Met-Chem are the inclined parallel plate design that are used as part of a wastewater treatment system for solids settling. They are constructed of carbon steel with coal tar epoxy lining on the inside, and epoxy coating on the exterior. The internal plate packs are set at 60 degrees for optimum settling and are constructed of a coal tar epoxy-coated steel shell with plastic plates.
Learn more about industrial clarifiers here >>
Monday, October 28, 2013
Filter Resources Page
Below are some links to common filters:
Tuesday, September 10, 2013
Sludge Blowdown System
Sludge Blowdown System:
This tool is designed to monitor the time the Clarifier is in use. For example; when the pump that feeds the waste stream leading into the Clarifier, is turned on the timer is timing. After the predetermined time has elapsed, the controller will automatically open the discharge valve and activate the discharge pump to the sludge thickening tank, and then automatically turn off the pump and close the valve. The time elapsed is based on the clarifier, the waste water, and the sludge.
System includes: sludge valve, air valve and control panel with timers and cast iron diaphragm pump.
Click below to view a video of the process:
http://metchem.com/Air-Blow%20down%20Stage.avi
This tool is designed to monitor the time the Clarifier is in use. For example; when the pump that feeds the waste stream leading into the Clarifier, is turned on the timer is timing. After the predetermined time has elapsed, the controller will automatically open the discharge valve and activate the discharge pump to the sludge thickening tank, and then automatically turn off the pump and close the valve. The time elapsed is based on the clarifier, the waste water, and the sludge.
System includes: sludge valve, air valve and control panel with timers and cast iron diaphragm pump.
Click below to view a video of the process:
http://metchem.com/Air-Blow%20down%20Stage.avi
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