![]() Standard 189.1 – 2009 for the Design of High Performance Green Buildings, a standard which the Army Corp of Engineers has already adopted as have many other new construction buildings, include the following water conservation requirements for cooling towers: To some extent, building codes already regulate the water consumption of cooling towers, and that regulation continues to increase. ![]() Manual bleed-offs are very common, but most certainly on their way out as concerns over water shortages continue to grow throughout the US. It is advisable that the amount of bleed off be automatically controlled by a system that actually measures the amount of solids concentration in the water – although that’s not always the case. Bleed off too much and you waste water bleed off too little and you get scale and/or corrosion. Blow-down or bleed off is the water that is drained from the cooling equipment in order to remove excessive mineral build-up. Water Source Heat Pump System Design SeriesĮngineers or plant managers must specify what the desired cycles of concentration will be and will control the cooling tower blow-down (bleed off) accordingly.Water Source Heat Pump Introduction Series.Understanding Primary Secondary Pumping.Reducing Virus Transmission With Humidification Series.Parallel Pumping in Condenser Water Applications Series.How To Develop Cooling Tower Life Cycle Cost Series.Energy Efficient Hot Water Boiler Plant Design.Domestic Water Pressure Booster Sizing Series.Cooling Tower and Condenser Water Design.Avoiding Pump Cavitation in Open Systems Series.White Papers Technical Manuals Videos White Papers.Series Series Intro Air Management and Pressurization Avoiding Pump Cavitation in Open Systems Series Commercial Sewage Lift Stations Condensing Boiler Plant Piping Cooling Tower and Condenser Water Design Domestic Hot Water Recirculation Domestic Water Pressure Booster Sizing Series Energy Efficient Hot Water Boiler Plant Design How To Develop Cooling Tower Life Cycle Cost Series How to Pick a Centrifugal Pump Series How to Pick a Cooling Tower Series How to Read a Pump Curve Humidification Basics Series Hydronic Balancing Series Hydronic Systems Series Modern Pump Selection Series Parallel Pumping in Condenser Water Applications Series Part Load Efficiency Values Series Pump Efficiency Standards Series Reducing Virus Transmission With Humidification Series Steam Basics Series Understanding Primary Secondary Pumping Variable Primary Chilled Water Series Variable Speed Pump Control Series Waterside Economizing Series Water Source Heat Pump Introduction Series Water Source Heat Pump System Design Series Water Source Heat Pump Control Series.Plumbing Plumbing Overview Domestic Hot Water Recirculation Commercial Sewage Lift Stations Hydropneumatic Tanks Legionella Pressure Booster Sizing.Hydronics Hydronics Overview Pumping Variable Speed Pump Control Air Control Hot Water Boilers Hydronic Balance Cooling Towers Hydronic Piping.Cooling Tower and Condenser Water Design Part 9: Controlling Cycles of Concentration - James M.
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