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Monday, May 4, 2020 | History

3 edition of Improved method for extinguishing coal refuse fires found in the catalog.

Improved method for extinguishing coal refuse fires

S. S Gross

Improved method for extinguishing coal refuse fires

  • 164 Want to read
  • 30 Currently reading

Published by Bureau of Mines, U.S. Dept. of the Interior in [Pittsburgh, PA] .
Written in English

    Subjects:
  • Coal mine waste -- Combustion,
  • Coal trade -- Fires and fire prevention,
  • Fire extinction

  • Edition Notes

    StatementMSA Research Corporation
    SeriesMining research contract report, [Open file report -- 38-91], Open file report (United States. Bureau of Mines) -- 91-38
    ContributionsMSA Research Corporation, United States. Bureau of Mines
    The Physical Object
    FormatMicroform
    Pagination100 p.
    Number of Pages100
    ID Numbers
    Open LibraryOL14967200M


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Improved method for extinguishing coal refuse fires by S. S Gross Download PDF EPUB FB2

Water quickly drains from the coal refuse pile below its injection point with little or no lateral distribution. As an alternate to excavation and/or quenching, the feasibility of using water-based foams to improve the distribution of water injected into a coal refuse fire was examined.

@article{osti_, title = {Improved method for extinguishing coal-refuse fires. Final research report Jun Feb 91}, author = {Gross, S.S.}, abstractNote = {Coal refuse fires present environmental and personnel hazards to those living in the vicinity of the fire as well as those engaged in the reclamation efforts.

The fire can also increase subsidence problems as well as prevent revegatation. Get this from a library. Improved method for extinguishing coal refuse fires.

[S S Gross; MSA Research Corporation.; United States. Bureau of Mines.]. buildings. Methods of extinguishing coal refuse fires are discussed, and an approach to eliminating future occurrences of these fires is presented.

INTRODUCTION Burning refuse banks were once considered inevitable consequences of coal m1n1ng. Although smoke and fumes emitted by these banks often caused serious.

The CO 2 foam can then be used to extinguish deep-seated coal mine fires. The simplicity of the compressed-foam system allows us to use other chemicals and products such as waste fly ash, and bottom ash created by the electric power companies that burn coal.

Meanwhile, fire extinguishment for coal seam spontaneous combustion is quite difficult as it is not easy to remove such a huge amount of heat. Mutual influence among ventilation, mining method and air leakage also perplex this problem.

Fig. 1 shows the coal seam spontaneous combustion in Cited by: Chapter 2 - Firefighting method for silo fires 29 (preferably up to 10 kg/m2 per hour) is recommended during the initial phase of the firefighting operation. Observe that fine powder material, such as wood powder, may require a lower injection rate in order to avoid dust.

A large surface vehicle fire Research continued at a fast pace throughout the ’s, concentrating on the detection, control, and extinguishment of mine fires. In the area of mine fire detection, spontaneous combustion studies were made to understand File Size: KB.

METHODS OF FIRE FIGHTING IN UNDERGROUND WORKINGS OF MINES Teaching of Miners in Fire Prevention, and Rescuing, Important—When a Mine on Fire Should Be Sealed and Unsealed WITHOUT a.

Fighting a Landfill Fire. So, to improve the effectiveness of the monitors, operators misted the water at a reduced rate over the fire.

extinguishing the fire for slightly more than two. The above way of extinguishing a coal-fire answers equally well for a close-stove or a furnace.

The heat of a grate may be considerably diminished by standing up the blower against it; the bottom of the blower resting on the hearth. To lessen the heat Improved method for extinguishing coal refuse fires book a close-stove, leave open the large door of the stove.

Fire-protection guidelines for handling and storing PRB coal Most plants that burn PRB coal were not designed to deal with the fuel’s propensity to ignite in bunkers, silos, and hoppers. Recognizing this, the PRB Coal Users’ Group has come up with a set of Improved method for extinguishing coal refuse fires book prac-tices for safely preventing, detecting, and extinguishing coal fires atFile Size: KB.

Cooling the burning material is the most common method used to extinguish fire. Water is widely available and the best cooling agent to use specially in fires involving solid materials. By evaporating in contact with fire, water also blankets the fire, cutting off the oxygen supply.

Coal Mine States address mine fire and coal refuse fire related emergencies within the states of Michigan, Maryland, and Georgia and within the Commonwealths of Kentucky and Pennsylvania. These projects range from burning coal refuse piles that threaten to ignite forest fires to underground mines fires.

followed as required. Coal bunker, coal silo, and coal feeder fires shall be extinguished using an approximate 1 percent or greater concentration of F encapsulator agent and a Piercing Rod Kit. This method and concentration - are recommended In the PRB Coal Users Group Best Guidelines & Practices for Bunker & Silo Size: KB.

Trace elements such as arsenic, boron and mercury are also emitted. Emissions from fires in coal refuse piles, abandoned mines, and outcrops contribute % of the particulates, % of the nitrogen oxides, % of the sulfur oxides, % of the hydro- carbons and % of the carbon monoxide emitted nationally.

Coal Outcrop got fire near the provincial road. The smoke from burned coal was creating hazard to the people nearby and the people travelling by the side of this area.

We took the initiative ti. In the anthracite fields of Pennsylvania, mine fires occur with more or less regularity and their existence is an ever-present hazard in coal mining. In all probability 90 per cent, of the mine fires can be ascribed directly or indirectly to the ordinary miner’s open lamp.

Other causes may be smoking, electrical installations, gas explosions, gas feeders, and the communication of fire to the. DOE Coal Fires in the Last Decade Other coal fires caused by spontaneous combustion have occurred at DOE facilities in the last decade.

In spontaneous combustion was responsible for starting two fires in a coal bunker at a DOE site. The fires were extinguished by injecting gaseous nitrogen into the bunker near the hot Size: 87KB.

the locations of existing and potential underground coal fires, extinguishing burning coal beds can be difficult and costly. As a result, in many parts of the world, coal-bed or underground mine fires have burned uncontrollably for decades. There is no one best method to control coal fires, but several approaches have been tried.

extinguish fires by reducing heat and using chemicals to interfere with the fire chain reaction. Both types of extinguishing agents have their own advantages and disadvantages.

This means that choosing the most suitable fire extinguishing agent for a specific application will depend on a range of factors including their impact on the Size: 1MB.

Our local Fire and Rescue Service (what happened to the Fire Brigade?) are highlighting their concerns regarding the public’s increasing use of open fires. The trend to bring open fires back into service has been “fuelled” by the economic downturn and the obscene increases in the cost of heating fuels including Gas, Heating Oil and [ ].

15 | Fire-fighting Training Manual methods that will act upon one or more of these elements in order to extinguish a fire. | Extinction Methods There are four methods to extinguish a fire (each one valid for one or more fire classes). Table nº 4 – Extinction Methods Cooling It is the most common method File Size: KB.

Underground coal mine fires are an ecological disaster and a dreadful waste of fuel. Also, they are difficult to extinguish. It's impractical to have the fire brigade going down a mine to extinguish a fire which is approximately "unreachable". Any air fills with poisonous fumes, and it's unsafe to dig tunnels to reach a fire as the whole.

Fire in the Hole Raging in mines from Pennsylvania to China, coal fires threaten towns, poison air and water, and add to global warming By Kevin Krajick.

The basic methods used for extinguishing coal fire are isolation of burning coal from combustible coal, preventing oxygen supply to coal fire by supplying water to coal fire and supplying water. Fire extinguishers are clearly marked with the classes of fires they will extinguish safely.

Some are suitable for more than one type of fire. A common type is the A-B-C extinguisher, which is for use in fighting Class A, B, and C fires. Put fire extinguishers close to where they might be needed. Class A extinguishers should be located inFile Size: KB. A coal seam fire is an underground smouldering coal deposit.

The oldest coal seam fire is believed to be Australia's Burning Mountain which has been burning for the last 6, years. Close to coal seam fires are currently burning in the United States. One such fire is the Centralia mine fire which started in by burning garbage in an.

Coal fire in India from January AP Photo/Kevin Frayer. The American West is also smoldering with underground fires in abandoned coal mines. They melt snow in the winter, set grass fires in.

Most coal-seam fires exhibit smoldering combustion, particularly underground coal-seam fires, because of limited atmospheric oxygen availability. Coal-seam fire instances on Earth date back several million years. Due to fine thermal insulation and the avoidance of rain/snow extinguishment by the crust.

Novel approach for extinguishing large-scale coal fires using gas-liquid foams in open pit mines. Coal fires are a serious threat to the workers' security and safe production in open pit mines. The coal fire source is hidden and innumerable, and the large-area cavity is prevalent in the coal seam after the coal burned, causing the Cited by: The Consolidated Edison Co., of New York, Inc., has been experimenting with dry ice as a medium for extinguishing fires in coal bunkers.

Coal Silo Fires and Hot Spots: Extinguishing and Preventing Recurrence Many coal-fired power plants in operation today do not have a fire-extinguishing medium installed in their coal storage silos. Differential infrared thermography combination with GPS topography could be a cost-effective solution for early detection.

For fire extinguishing, huge injection of N2 trough ventilation shaft has. At present, there are few effective methods for extinguishing such fires at a reasonable cost.

Excavation was used in 80% of waste bank fire control projects between and (Kim and Chaiken ). The minimum cost per project was less than $10, while the maximum was over $1 million. At least 25% of the. A fire extinguisher is an active fire protection device used to extinguish or control small fires, often in emergency situations.

It is not intended for use on an out-of-control fire, such as one which has reached the ceiling, endangers the user (i.e., no escape route, smoke, explosion hazard, etc.), or otherwise requires the expertise of a fire brigade.

The three-phase foam and water mist techniques are believed to be effective in controlling coal fires, especially the “upper fires” in loose zones and abandoned roadways, respectively. Then, the three-phase foam coal fire extinguishing system is improved, and the water mist coal fire extinguishing system is by: and hobos often went through the coal refuse dumps, searching for.

small lumps of coal to use at home. Sometimes people started fires. at coal heaps, OR, the mound of refuse caught fire internally. Altogether, 15 States have combined cumulative OSM coal-fire project costs exceeding $1 million, with the greatest overall expense occurring in States where underground coal fires are predominant over surface fires, reflecting the greater cost of extinguishing underground fires (fig.

2) (see “Controlling Coal Fires”). Oil well fires are more difficult to extinguish than regular fires due to the enormous fuel supply for the fire. In fighting a fire at a wellhead, typically high explosives, such as dynamite, are used to create a shockwave that pushes the burning fuel and local atmospheric oxygen away from a well.(This is a similar principle to blowing out a candle.).

Top 10 Fire Extinguishing Methods. Written by Top Arena on Fire is considered to be one of the two discoveries that changed the face of mankind, the other being the wheel.

Fire is a good servant and a bad master. If used with caution, it can create wonders, if used recklessly, can wreak havoc on life and property. SinceDr. Charmbury said, Pennsylvania has spent $32‐million to put out over refuse bank and under ground coal fires, while 17 are currently being fought.

One fire .FP foam provides fast fire knockdown, better resistance to fuel pick-up and greater compatibility when used in conjunction with dry-chemical extinguishing agents.