HUAYUAN High-end Hot-blast Stove

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Specification: 116~1046 KW

Technical features:

1. Adopting invention patent, combustion technology without grate. The temperature of combustion part satisfies biomass combustion temperature requirement. Compared to the tranditional combustion way, pyrolysis gasification has been improved about 18%. Burning any kinds of briquette will not cause black smoke.

2. We use stainless steel superconducting heat transferring tube with high heat efficiency. What's more, it solves the problem that hot air will cause pollution after long-time use.

3. Equipped with micro pressure protection device. When the boiler's electrical control fails, boiler is over pressured, water will be drained out to reduce pressure, which makes boiler safer.

4. The boiler could be controlled and operated automatically, which will reduce labour cost greatly.

Q: new thermal couple...last week i had noticed the damper (automatic) was in the closed position. i nudged it a bit and it opened and the boiler fired...needed to fix a radiator pipe and shut it down...now it won't fire. mounted on the boiler is..pilot unit (works) a control box when i turned on the circulating pump a grey switch inside moved. that no longer is the case...near that a small box with a red button (like a reset button) pushed it nothing happens...wires from the control box to round black unit that controls the damper automatically. i manually opened the damper....3 other boxes mounted to pipes controlled by thermostats...there is power to these..any help before i call in a professional would be appreciated: The button that you pushed is the reset for the flame safety that makes the boiler follow a start up procedure and looks at the fire to make sure it is on. The boiler should have some gas pressure switches on it that often go bad, check these. Also, the damper and other items need to be in the correct position to have the boiler purge and fire. The blower also has a pressure switch on it that is a permissive for firing. There is also a high temperature limit someplace on the unit too. If you are electrical type try to follow the schematic and see if you have power in the circuit. Turn everything off, power down and then turn the power back on and start through the start up sequence. Follow the schematic with testers to see which switch or whatever is bad.

Q: Total heat supply rate of the boiler to the steam?: Boilers are rated in horsepower. The pressure increase is about 1 lb for each 2 degrees rise in temperature over 212 degrees. the water input pressure must be above the boiler operating pressure,so a high pressure pump is used to push the water in. The more steam you take out the more water you must put back. If your recovery rate isn't high enough you run out of steam and pressure. I hope this answers your question.

Q: Could you please recommend any good universities which can offer a degree on this subject. I have a computer engineering degree but over the years, my interest for steam engines has changed to a passion and now, an obsession. I want to learn about designing small steam turbines, its fabrication, material selection, machining methods etc. Can I learn all of this under one degree? Where? Thanks !!( I think it is not possible to learn these stuff online, am I right?): Better learn to make windmills. The boiler market is going DOWN. Any way, they are easy to design (so they say). Study mechanical engineering.

Q: Hot water pipe to boiler was cracked and fixed but the radiators weren't bled. The boiler and house radiators worked fine apart from the upstairs ones only getting hot at the bottom. I bled the upstairs radiators as normal and re-pressured the boiler and turned the system on. The pressure was fine until the heating was turned off and then as the radiators got cooler the pressure dropped and finally got to 0. Re-pressured the boiler again and left the heating this time and the pressure stayed the same, turned the heating on the everything worked fine until I turned the heating off and the same thing happened with the pressure (as the radiators got cooler the pressure dropped slowly down to 0). I have noticed now as well that the overflow pipe outside for the boiler has a very slow drip.: The pressure relief valve is failing, and needs replacing. It is the valve that the overflow pipe is connected to. Priced at anything between ?45/65 depending on the type of boiler.

Q: I'm looking at purchasing a steam generator from 1 of 2 manufacturers and one side says theirs is better because it does not modulate and the other says it is better because it does modulate.Thank you for any help.: by modulation I expect they mean variable firing rate. Some boilers work on a low a high fire rate. The low is set to just below the minimum steam requirements when the pressure drops slightly the burner swings to high fire until the pressure recovers. A modulating burner continuously adjusts its flame to match the steam demand. A modulating boiler is better if you have a fairly steady steam demand but has trouble keeping up with widely varying loads.

Q: 1025t / h boiler what it means: This can also be used to mark the hot water boiler, but the hot water boiler is not so large capacity, so do not repeat them.

Q: I assume that there was a ford or chevy of the boiler business. The builder must have had a economical boiler which was produced in quantity. Steam being new, or relatively so, the boiler would need to be cheap enough to allow businesses to experiment on steamboats, railroad locomotives, and factory drive shafts. Anybody know thename of the producer and when production got underway?: The USA didn't exist. If you mean the separate condensing boiler that enabled steam power to be economical, it was a Scotsman James Watt, and the year was 1765. Steam power was known to the Romans (steam was used to magically open the doors on a temple) and an Englishman Thomas Newcommen, invented a Steam engine in 1712, and it was successfully used from then on to drain mines (mainly coal mines where the fuel was cheap) but they were very inefficient. James Watt was at Edinburgh University and as a student was asked to repair a model of a Newcommen engine, he realised that they was a flaw in the design and that a separate boiler was needed. He built and patented his design. In 1775 he teamed up with Mathew Boulton an English engineer who had a metal works and the went into production at the Soho Works in Birmingham, the first engine design was 8 times more fuel efficient than the Newcommen. Boulton and Watt were the big producers of the day, and it was their designs that powered the Industrial revolution. The steam was low pressure compared with today, however it improved as the design and engineering improved. Edit Chas W Francis Bolton who he ? Thomas Savery had nothing really to do with it as your question was about boilers. In fact Mathew Boulton was the Boiler design genius, but both he and Watt made their piles of do$h from se??ing them.

Q: What is conductivity in a boiler?: It normally refers to the purity of the water. Water in a boiler needs to be extremely pure and devoid of salts. Salts will leave a residue, which will reduce the efficiency of a boiler, and may eventually block the tubes. So the lower the conductivity the better the water quality.

Q: I have a 20ish year old boiler which gives me hot water via a storage tank. My house is a reasonable sized mid terrace, 3 bedroom, 1 bath in the north of England. I am wondering whether upgrading my boiler is worth doing from a resale point of view. I hope to sell within the next year (so long as the market doesn't crash) and I'm not sure whether having an old boiler would put buyers off.If so then how much should it cost? I have been getting some quotes and the cost seems to vary quite considerably from plumber to plumber. The cheapest so far has been ?1.5k and the priciest ?3.5k. This seems like too big of a gap. Any help would be much appreciated.ThanksDan: A lot will depend on the quality of the installation.If the system is 20 years old then it might need a power flush which will hike the price up.The make of boiler will also affect the price as they can vary from ?400 to ?1000 depending on the size and the manufacturer.Some installers will skimp on fitting the required valves and controls to keep the price down. Ask them for a breakdown of what exactly they will be doing for their money with regards to flushing,make and model of boiler,flue system,additional controls-ie roomstat,programmer and thermostat valves and let us know and we can tell you if its fair. Is it a combi boiler or a more traditional system boiler?

Q: What are the sewage treatment methods for the boiler?: At least every year on the base and other exposed parts of the floating rust clean and paint once.

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