Home

How does a heat recovery boiler (HRB) work? Does it have a burner box for natural gas?

Jul 14, 2007 by SRH | Posted in Engineering

Do HRB prerequisite burner management systems (BMS)? Regular boiler burners be in want of to have explosion safeguards in place to keep them from an explosion. What safeguards are needed in a HRB.

Thanks

If you are talking about a spoil heat boiler, which I believe you are, there is no burner box. The boiler runs off the heat from another instrument. As long as the waste heat is lower than the critical heat of the materials, the boiler can run dry and not be damaged. In combined, a waste heat boiler has no controls.

I've seen these inured to on large diesel engines to create steam which was then hardened to create electricity. Since the exhaust temperature of the diesel is condescend than the melting point of the steel that the waste heat boiler was made of there was no fundamental for any controls or other parts except for high/low water alarms, and one cross-examine to refill the lower drum.

What is the difference, if any, between a heat recovery boiler and a heat recovery steam generator?

Dec 18, 2007 by J S | Posted in Engineering

Clarification: Boiler = Steam Generator

No Difference.

Can you heat a new house with a wood burning stove, a condensation boiler and a heat recovery system?

Mar 22, 2008 by CRAIG I | Posted in Maintenance & Repairs

Business is 1 and a half storey. Living room is unequivocal ceiling to upstairs. House will be wooden kit with 110mm Kingspan insulation to walls. 3 bedroom. approx 200m2

yes but it will price......................

can you link settings for heat recovery ventilation to heat exchanger operated shower?

Mar 20, 2008 by Dutch | Posted in Maintenance & Repairs

Our congress has heat recovery ventilation. The time regulated controls never worked, so it is always set to min. But the descend room gets very condensated, and we have to manualy up the ventilation suddenness. The shower is operated from a heat exchanger off the boiler, and activated by a flow sensor (mains tense) Any ideas on how to set the ventilation unit to high timeliness when showering???

Not true I fully understand your setup, but I'll take a pin.

You want a ventilation fan (heat recovery unit) to increase swiftness when you take a shower (to get rid of the humidity).

Two options come rather immediately to my usually foggy consciousness.

Both rely on the gifts to install a relay(s) and circuitry into your ventilator motor controls to alter the speed according to input from outside devices or switches.

Way out 1: Humidistat in shower room. When humidity demolish rises, the humidistat signals the ventilator motor to widen speed. When the humidity returns to normal, then the ventilator motor returns to low.

Alternative 2: A flow switch in the hot water cortege to the shower. When you turn on the shower, the flow lash signals the motor like as in option 1. A ever-delay relay or a sequencer would be needed to insure the higher motor speed continues for a preplanned time after the water is shut off.

So, was I even close to a benevolent answer?

Where in the uk can I buy a small water-air heat exchanger?

Mar 26, 2007 by adude707 | Posted in Do It Yourself (DIY)

I necessity a small efficient water radiator that can be connected to a household boiler, and sealed in a constituent to connect to air ducts as part of a small Heat Recovery Ventilation system: http://en.wikipedia.org/wiki/Heat_recovery_ventilation.

Try to get pat of a car heater core from a breakers yard. That's to all intents the cheapest and most available source. Otherwise they are going to be up-market.