Electro Industries Home

Packaged Make-Up Air, Part 1 - 60 Minutes May 13, 2021 at 10:00am CDT Register. Packaged Make-Up Air, Part 2 - 60 Minutes May 27, 2021 at 10:00am CDT

Learn More

Water heating - Wikipedia

Water heating is a heat transfer process that uses an energy source to heat water above its initial temperature. Typical domestic uses of hot water include cooking, cleaning, bathing, and space heating. In industry, hot water and water heated to steam have many uses.. Domestically, water is traditionally heated in vessels known as water heaters, kettles, cauldrons, pots, or coppers.

Learn More

Boiler water treatment - Lenntech

The treatment and conditioning of boiler feed water must satisfy three main objectives:. Continuous heat exchange; Corrosion protection; Production of high quality steam; External treatment is the reduction or removal of impurities from water outside the boiler. In general, external treatment is used when the amount of one or more of the feed water impurities is too high to be tolerated by the

Learn More

Tankless water heating - Wikipedia

Tankless water heaters also called instantaneous, continuous flow, inline, flash, on-demand, or instant-on water heaters are water heaters that instantly heat water as it flows through the device, and do not retain any water internally except for what is in the heat exchanger coil. Copper heat exchangers are preferred in these units because of their high thermal conductivity and ease

Learn More

How to run a hot-water zone off a steam boiler

Jun 18, 2014 · Then, shut off the discharge boiler drain and the inlet boiler drain (in that order). Now open the two ball valves (or gate valves). If you did a good job of soldering, the atmospheric pressure will keep the water up in the zone.

Learn More

Zero Liquid Discharge - an overview | ScienceDirect Topics

Mar 01, 2020 · Zero liquid discharge (ZLD) is used to concentrate RO/NF reject in industrial wastewater plants. Most of the water in the concentrate is recovered as product by separating the salt from the water. ZLD systems include thermal evaporators, crystallizers, brine concentrators and spray dryers.

Learn More

Which is the Best 30kW Combi Boiler? | Boiler Guide

A combi or system boiler with an output rating of 28-34kW is widely recommended for small detached homes and medium-sized terraces with 2 bathrooms and around 15 radiators. So if you live in a home similar to this, then a 30kW combi boiler is likely to be a great fit for the heating and hot water

Learn More

Hot Water Boiler Expansion Tanks - HVAC Hydronics #1

Jul 04, 2008 · Additionally, one of the first things to check on a hot water boiler system when the pressure relief valve discharges water excessively is the expansion tank. If a hot water boiler expansion tank is waterlogged then you likely have a boiler pressure problem especially if the expansion tank is the steel type. More on types of expansion tanks below.

Learn More

WPDES Permits | Wisconsin DNR

The DNR regulates the discharge of pollutants to waters of the state through the Wisconsin Pollutant Discharge Elimination System (WPDES) program. Ballast Water Discharge (WI-0063835) Carriage and Interstitial Water from Dredging Operations (WI-0046558) Non-Contact Cooling Water or Condensate and Boiler Blowdown (WI-0044938) Nondomestic

Learn More

Boiler feed water - Lenntech

The steam, which escapes from the boiler, frequently contains liquid droplets and gases. The water remaining in liquid form at the bottom of the boiler picks up all the foreign matter from the water that was converted to steam. The impurities must be blown down by the discharge of some of the water from the boiler to the drains. The permissible

Learn More