Boiler Efficiency – Why is it important?

·          Cost of boiler fuel is 2.5–3 times higher than 4 years ago and continues to rise.
·          May be the highest single feed manufacturing cost??
·          Competition knows it is important!!
·          Company feed mill managers
·          Agri-stats
·          BOSS wants lower costs!!!

Boiler Efficiency
·          Input Energy
·          Fuel oil
·          Natural gas
·          Propane
·          Output Energy
·          Process Steam

General Boiler Information

·          1 boiler horse power = 42,000 BTUs of INPUT
·          1 pound of steam =1,200 BTUs of INPUT fuel
·          Typical boiler efficiency = 75-85%
·          New high efficiency near 90%
·          Fuel sources:
·          Natural Gas = 1,031 BTU/ft3
·          Propane = 91,000 BTU/gal
·          Fuel Oil = 139,000 BTU/gal

Operations

A Fable

A feed mill manager once went to a wise man for help in improving his inefficient, unprofitable feed milling operation. The wise man wrote a charm on a piece of paper and sealed it in a box that he gave to the manager.
“Carry this box into every part of your mill three times each day for a year,” he told him. The mill manager did so.
In the morning he carried the box and its charm into the warehouse and found a laborer fast asleep on a pile of sacks instead of working. At noon, he carried it up to the milling floor, he noticed a leak in a spout that was contaminating a bin of grain. He also spotted a hot bearing and called a mechanic to grease it. At night, he carried the box to the packing room and found his employee overfilling the bags.
Everyday, as he took the box and its charm from place to place in the mill he found things to correct. At the end of the year, he returned the box to the wise man.
“Let me keep the charm for one more year,” he begged. “My mill is more efficient and more profitable than it has every been before”
The wise man smiled and took the box. “I’ll give you the charm itself,” he said. He broke the seal, lifted out the piece of paper and handed it to the mill manager.
On it was written: IF YOU WANT THINGS TO PROSPER, LOOK AFTER THEM YOURSELF.

SOURCE 
http://www.greenoptions.com/t/5201/reducing-energy-cost-through-boiler-efficiency 

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The first house in the world to supply its own energy with unique "bioskin" through the cultivation of micro-algae is being presented at the International Building Exhibition IBA Hamburg in Germany.

As a part of the International Building Exhibition IBA Hamburg, the Bio Intelligent Quotient (BIQ) House is the world's first building to have a bioreactor façade. The façade of the five-story BIQ House comprises a vertical algae farm with an integrated bioreactor, turning the building into a Plus Energy House. This weekend, the house became fully operational as the glass façade was filled with liquid biomass. From now on, microalgae will be cultivated in 129 transparent glass panels, individually measuring 2.5 x 0.7 meters, which make up its "bioskin." While these panels are used to produce energy, they also regulate light and provide shade. The combination of energy-saving algae and geothermal and solar energy will generate more energy than the residents of the house will consume. "The BIQ House makes the district of Wilhelmsburg, the biggest urban river island in the heart of Hamburg, more sustainable," said Uli Hellweg, managing director of the IBA. "From now on, the microalgae on the façade will be supplying renewable energy for the building's residents and the surrounding district. We know that about one-third of CO2 emissions are produced by households. Because of that, this innovative approach of sustainable urban living is an important signal for building construction in times of climate change.

The BIQ House is part of a cluster of different energy projects launched by the IBA that will help to make Wilhelmsburg the most climate-friendly district in Hamburg within this year. Within the next four decades, the district of Wilhelmsburg with more than 50,000 inhabitants could become completely carbon-neutral."

Cycles of Solar Energy

With its holistic energy concept, the BIQ building is setting new standards: it draws all of the energy needed to generate electricity and heat from renewable sources—fossil fuels are not required. The building is able to generate energy using the algae biomass harvested from its own façade. Moreover, the façade collects energy by absorbing the light that is not used by the algae and heat generation, similar to a solar thermal unit, and is then either used directly for hot water and heating, or can be cached for later use in the ground using borehole heat exchangers—80 meter-deep holes filled with brine. This remarkably sustainable energy concept is thus capable of creating a cycle of solar and geothermal energy, while also integrating a condensing boiler, local heat and the capture of biomass using the bioreactor façade.

Multifunctional Façades

The BIQ building shows that, in future, façades will be able to serve a number of different functions, and be much more than an aesthetic cladding to protect against the elements. While the northeast and northwest sides of the building have an elaborately decorated shell to draw the eye, the algae within the southwest and southeast façades produce biomass for renewable energy. In addition, the façade also serves the more conventional purposes of insulating the building from sound, heat and cold, and provides shade in bright sunlight. But the house will also offer residents a new approach to life using visionary spatial concepts. Individually controlled rooms will make it possible to switch functions and components on and off on demand.

IBA: Models for Climate-Friendly Urban Development

On Europe's biggest urban river islands, Wilhelmsburg and Veddel, the International Building Exhibition IBA Hamburg is currently showcasing future modes of living, working and learning. In 2013, the IBA's presentation year, more than 60 projects are displaying innovative approaches for the city of the future. Additional topics include ideas for future energy supply and ways of addressing the challenges posed by climate change. Right beside the new Inselpark, on the international garden show premises, the "Building Exhibition within the Building Exhibition" opened its gates on March 23. This key IBA project in Wilhelmsburg Central showcases the future of building and living, with smart buildings constructed of "intelligent" and regenerative building materials—such as the BIQ House with its energy-supplying algae façade or the Energy Bunker, a former flak bunker, now a flagship for renewable energy.

Hamburg: Hotspot for Green Techs, Renewable Energies

Hamburg is combining environmental protection with economic growth. Projects such as the International Building Exhibition IBA Hamburg exhibit the potential of green technologies for companies and residents alike. Hamburg has the potential to successfully implement the energy transition, meet ambitious climate targets and create additional jobs. This is also owing to the strength of the city's companies and research facilities in the field of green technology. According to a 2012 survey of the Hamburg Chamber of Commerce and Industry, there are approximately 1,980 green technology companies in Hamburg with around 33,400 employees. These companies are active in the core fields of power generation, green building, water, recycling and waste management, financing and insurance, energy services, as well as mobility and logistics. The estimated sales volume for 2012 amounted to approximately €10.66 billion.

Related Source : http://www.quora.com/Coenraad-Clement/Posts/BIODIESEL-MAGAZINE-BIODIESELMAGAZINE-COM
http://my.opera.com/ianthinezoe/blog/2013/05/16/crown-eco-management-jakarta-capital-biodiesel-magazine

 

APPLETON — A new boiler system installed in 2011 at Appleton’s wastewater treatment plant is paying dividends for taxpayers, yielding $300,000 in energy savings annually.

The $1.2 million methane system captures the byproduct of the bacterial breakdown of sludge to operate the boiler and heat the rest of the plant.

The plant’s natural gas bill — which previously averaged $453,511 a year — dropped to $140,938 in 2012 and the savings are expected to continue annually.

“Overall our billings for natural gas have been reduced by two-thirds,” said Chris Shaw, Appleton’s utilities director. “It was a good project and the payback is less than four years. It’s a very good deal for Appleton residents.”

The methane boiler system heats the 38-acre facility’s 19 buildings and tunnel system. On very cold winter nights, the plant relies on the old natural gas system to supplement the methane boilers. While natural gas has an energy value of 1,000 Btu per cubic foot, methane produces about 650 Btu, Shaw said.

The wastewater treatment plant has two giant egg-shaped digesters. The tan Teflon and fiberglass tanks — which are easily recognizable along the Fox River — each hold 2.2 million gallons of sludge that go through an anaerobic bacterial breakdown.

“They both have to be heated up to 95 degrees so regardless of time of year, we’re constantly heating those vessels and the material,” Shaw said. “In the winter we’re fortunate to have some residual gas to heat the facilities as well.”

The “waste solids” start as a thick cottage cheese consistency before they are broken down over 40 days to the gas and tomato juice-like liquid.

The methane gets piped into a boiler room, where it’s burned. That heats water that is circulated throughout the facility. Excess methane is flared off in two stacks that can be seen from the river.

After the full process is complete, the plant returns more than 5.8 billion gallons of treated water per year to the Fox River — enough to fill a 20-foot deep lake covering 900 acres, or just about fill Little Lake Butte des Morts.

“Most people flush the toilet and think it ends there but there’s a big process down the line,” said Parks, Recreation and Facilities Director Dean Gazza.

Storing 500,000 gallons of methane yields energy savings, but creates some safety concerns.

Strict no smoking policies went into effect at the plant after the boiler system was installed to prevent a fire.

If a fire breaks out at the plant, firefighters would be kept out until the methane could be vented below a certain “explosive limit.”

“We’re obviously very careful and have a lot of monitoring sites that would alert us to any elevated levels or leaks,” Shaw said.

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Operator Ladies and gentlemen, thank you for standing by, and welcome to the Calgon Carbon Corporation's Fourth Quarter 2012 Results Call. All lines have been placed on mute to prevent any background noise. After the speakers' remarks, there will be a question-and-answer session. (Operator Instructions) I will now like to turn the call over to Gail Gerono, Vice President of Investor Relations. Please go ahead. http://devasanskrit03-crownecocapital.blogspot.com/2013/03/calgon-carbons-ceo-discusses-q4-2012.html

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"BIOMASS AS a fuel for BOILERs Biomass for energy often mean plant base material although can equally apply to both animal and vegetable draw from material. Biomass is actually a biological material derive form living or recently living organisms. Biomass chemical composition is carbon based and is composed of a mixture of organic molecules containing hydrogen, usually including atoms of oxygen, often nitrogen and also small quantities of other atoms, including alkali, alkaline earth and heavy metals, metals are often found in functional molecules such as the porphyrins which include chlorophyll which contains magnesium. Read More : http://blog.crowncapitalmngt.com/biomass-as-a-fuel-for-boilers/"

"BIOMASS AS a fuel for BOILERs Biomass for energy often mean plant base material although can equally apply to both animal and vegetable draw from material. Biomass is actually a biological material derive form living or recently living organisms. Biomass chemical composition is carbon based and is composed of a mixture of organic molecules containing hydrogen, usually including atoms of oxygen, often nitrogen and also small quantities of other atoms, including alkali, alkaline earth and heavy metals, metals are often found in functional molecules such as the porphyrins which include chlorophyll which contains magnesium. Read More : http://blog.crowncapitalmngt.com/biomass-as-a-fuel-for-boilers/"

"Biomass for energy often mean plant base material although can equally apply to both animal and vegetable draw from material. Biomass is actually a biological material derive form living or recently living organisms. Biomass chemical composition is carbon based and is composed of a mixture of organic molecules containing hydrogen, usually including atoms of oxygen, often nitrogen and also small quantities of other atoms, including alkali, alkaline earth and heavy metals, metals are often found in functional molecules such as the porphyrins which include chlorophyll which contains magnesium. Read More : http://blog.crowncapitalmngt.com/bio...l-for-boilers/"