2 edition of Spontaneous combustion fire detection for deep metal mines found in the catalog.
Spontaneous combustion fire detection for deep metal mines
William H. Pomroy
Includes bibliographical references.
|Statement||by William H. Pomroy.|
|Series||Information circular ;, 9144, Information circular (United States. Bureau of Mines) ;, 9144.|
|LC Classifications||TN295 .U4 no. 9144, TN315 .U4 no. 9144|
|The Physical Object|
|Pagination||25 p. :|
|Number of Pages||25|
|LC Control Number||86600294|
6 The Shop Owner’s Death. Some accounts of fire death appear to point to a truly scary occurrence. Take, for example, the death of Andrew Nolte in , a case that caught the attention of the famous novelist Charles Dickens.. Nolte was the owner of a liquor store in Columbus, Indiana, US, and was known to be a drunkard so much so that his wife had filed for divorce because of it. Spontaneous human combustion is a little different from most paranormal phenomena, in that it's a claim of no external source for the fire. That people have burned up is the fact that's not in question; the question is the theory of what caused them to burn. In this case, believers are asserting that there was no conventional cause. In a final report on the underground fire that swept through much of the 5,‐foot‐deep silver mine last May 2, the bureau theorized that the blaze began by spontaneous combustion in.
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Spontaneous combustion fire detection for deep metal mines Spontaneous combustion fire detection for deep metal mines by Pomroy, William H.
Publication date Topics Mine fires, Combustion, Spontaneous, Fire detectors, Metal sulfides, Mines and mineral resources Publisher Pittsburgh, Pa.: U.S.
Dept. of the Interior, Bureau of Mines. Spontaneous combustion fire detection for deep metal mines / (Pittsburgh, Pa.: U.S.
Dept. of the Interior, Bureau of Mines, ), by William H. Pomroy (page images at HathiTrust) Rigid foam for mines / ([Washington, DC]: U.S.
Dept. of the Interior, Bureau of Mines, ), by Donald W. Mitchell, Edwin M. Murphy, and John Nagy (page images. Spontaneous Combustion Paperback – November 1, by David B.
Feinberg (Author) › Visit Amazon's David B. Feinberg Page. Find all the books, read about the author, and more. See search results for this author. Are you an author. Learn about Author Central 5/5(1).
This Bureau of Mines report describes research to design, fabricate, and test in the laboratory and field a system that warns of spontaneous combustion fires in metal mines.
Overall performance of the detection system was found to be satisfactory in that the system was capable of reliably detecting low levels of combustion products believed to indicate the preflaming stage of spontaneous combustion in metal mines.
Spontaneous combustion fire detection for deep metal mines / By William H. Pomroy. Abstract. Includes bibliographical of access: Internet Topics: Mines and mineral resources., Combustion, Spontaneous., Author: William H.
Pomroy. The fire hazards induced by the spontaneous combustion of sulphide ores pose safety, environmental, and economic concerns to the mining and. metallurgical industries and have become one of the most important problems in mining, particularly when sulphide ores have to be stored for a long time.
or transported for a long by: 9. Introduction It is well known that spontaneous combustion (SC) has become one of the most serious safety problems in the mining of sulfide orebody . Up to now, approximately 30% of nonferrous metal mines, 10% of iron mines (mainly pyrite) and 10% of non-metallic materials mines contain sulfide ores with SC potential in China .Cited by: 3.
Auto-oxidation or spontaneous combustion of coal is a serious problem that leads various safety problems in mining, long distance transportation and storage areas as well as economic losses  .
There will be great harm once there is spontaneous combustion in coal seam in mining field, which results from three reasons.
One, fire will pose considerable harm to the safe production and the lives of mining operators as there will be lots of workers in mines while coal seams catch by: SPONTANEOUS COMBUSTION OF COAL AND ITS EARLY DETECTION IN OKR MINES SAMOVZNÍCENÍ UHLÍ A JEHO VČASNÁ INDIKACE V DOLECH OKR Pavla GUŘANOVÁ Ing., Institute of Mining Engineering and Safety, Faculty of Mining and Geology, VŠB-Technical University of Ostrava listop Ostrava-Poruba, Czech Republic, tel.
+ What is spontaneous combustion. Spontaneous combustion is an oxidation reaction leading to fire without an external heat source.
The process changes the internal heat profile of the material leading to a rise in temperature, when the rate of heat generation is higher than the rate of heat Size: 1MB.
Additional Physical Format: Online version: Pomroy, William H. Spontaneous combustion fire detection for deep metal mines. Pittsburgh, Pa.: U.S. Dept. of the. Early detection of spontaneous combustion of coal in underground coal mines with development of an ethylene enriching system Jun Xie 1,*, Sheng Xue 1, Weimin Cheng 2, Gang Wang 1,* CSIRO Earth Science and Resource Engineering, PO BoxKenmore, QLD, Australia Tel: +61 7 ; Fax: +61 7Email: @ The problem is a natural phenomenon that is aggravated by mining activities.
A number of methods exist to prevent, detect, monitor, control and manage spontaneous combustion in surface mining operations. While this guideline is directed towards surface mines, it does make use of experience from underground coal Size: 4MB.
Spontaneous Combustion Coal & Mine 1st Edition. by S.C. Banerjee (Author) ISBN ISBN Why is ISBN important. ISBN. This bar-code number lets you verify that you're getting exactly the right version or edition of a book. Author: S.C. Banerjee.
The main causes of mine fires include flame cutting and welding operations, friction, electrical shorts, mobile equipment malfunctions, and spontaneous combustion.
Preventing fires is essential to the health and safety of mine workers. spontaneous combustion as per Das and Hucka - "Control of Spontaneous Combustion of Coal Through an Analysis of its Mechanism and the Affecting Factors," Society of Mining Engineers of AIME, Preprint #Presented at the SME Annual Meeting, New Orleans, LA, March, Stage Reaction Weight Temperature combustion • CombustionFile Size: KB.
In recent years, the ecology, security, and sustainable development of modern mines have become the theme of coal mine development worldwide. However, spontaneous combustion of coal under conditions of oxygen supply and automatic exothermic heating during coal mining lead to coalfield fires.
Coal spontaneous combustion (CSC) causes huge economic losses and casualties, Cited by: Coal mine gas emission assessment for sealed goaf area or abandoned mine – self explanatory. Journal of the Operational Research Society - Abstract of article: Algorithms for the Detection of Spontaneous Combustion in Coal Mines – not free info, subscription required.
Coal oxidation at low temperatures, etc – a study of the spon comb process. In China, common index gases for the early detection of spontaneous combustion of coal are CO, C 2 H 4, and Graham's ratio (Xie et al., ).
Graham's ratio, usually ranging between 0 and Summary of problems due to spontaneous combustion The problems due to spontaneous combustion of coal can be categorized according to the method of working adopted i.e. (1) Underground, (2) Opencast (1) Underground: The universal problem due to spontaneous combustion in an underground mine is fire or precisely “coal seam fire”.
fire and explosion in mines are: • The Mines and Quarries Actwhich includes provisions that have a bearing on fire and explosion. • The Health and Safety at Work etc Actwhich contains duties relating to safe systems of work and ensuring the health and safety of employees and others who may be affected by a work activity.
Very effective detection of spontaneous combustion or open fires in coal mines can be provided from calculations based on measurements of a few parts per million of carbon monoxide (CO) in the ventilating air, even in the presence of CO from shotfiring, diesels and other sources.
A project to develop automatic alarms is described. Forecasting/smoothing methods were abandoned in favour of Author: G. McCormick. A Review of Spontaneous Combustion Incidents B Ham1 ABSTRACT Heatings, fires and explosions in New South Wales (NSW) and Queensland coal mines sinceare reviewed.
Geological and mine settings are outlined. Where available, gas analysis and critical decisions are discussed. This paper updates work by NSW Department of Mineral.
Assessing and managing spontaneous combustion of coal 4 Abstract This report summarises the most common, practical methods used to determine the propensity of coal to self-heat and considers the external factors which can combine to result in a spontaneous combustion event.
Gas Sensing Technology Improves Mine Safety Mar 14 Read Times. wave raises coal dust from the floor of the mine galleries to make an explosive mixture that is highly susceptible to spontaneous combustion.
Stink damp, so called because of the rotten egg smell of the hydrogen sulphide gas, can explode and is also very toxic. DETECTION OF SPONTANEOUS COMBUSTION •Detection of sp. combustion in its early stage is very much essential for its prevention.
Earlier a fire is detected; easier it is to deal with. •Sp. combustion of coal in mine workings may be detected by physical and. Spontaneous combustion has long been recognized as a fire hazard in stored coal.
Spontaneous combustion fires usually begin as "hot spots" deep within the reserve of coal. The hot spots appear when coal absorbs oxygen from the air. Heat generated by the oxidation then initiated the Size: 87KB. Spontaneous combustion or spontaneous ignition is a type of combustion which occurs by self-heating (increase in temperature due to exothermic internal reactions), followed by thermal runaway (self heating which rapidly accelerates to high temperatures) and finally, autoignition.
It is worth noting that mine refuse dumps and fine carbonaceous material in the proximity of mining sites is very prone to spontaneous combustion. More often it is this loose material which first catches fire which subsequently spreads to the coal seams.
Fires also travel from one coal seam to the neighbouring coal seam and from one mine to File Size: KB. Although a great deal of research into spontaneous combustion in coal and other carbonaceous materials has been conducted over many years, much of this information is not readily available or is too detailed to be of much use to the environmental managers who need to deal with spontaneous combustion in open-cut mines on a daily basis.
The most common means of fire control for spontaneous combustion fires is sealing and/or flooding the affected zone. This process is never easy, but it is made especially more» difficult (and hazardous) if the fire grows in size and intensity to the point where underground fire-fighting crews must wear self-contained breathing apparatus owing to mine air : Lewicki, G.
Spontaneous combustion of coal has been one of the most serious problems in coal mining. If not prevented or controlled at an early stage, a spontaneous incident may endanger life by generating a mine fire or explosion and may cause substantial loss in coal resources.
Early detection of spontaneous heating is very important in controlling. MDG Spontaneous Combustion Management - Technical Reference Page 7 of 1 0BSCOPE The content of this document applies to all underground coal mines in Australia.
2 PURPOSE The purpose of this document is to provide historical and technical information to assist operators in the development of a Spontaneous Combustion Management plan thatFile Size: 6MB.
The best methods of preventing spontaneous combustion fires requires continuous rotation of the coal to prevent localized hot spots (smoldering embers) from developing into deep-seated fires. New requirements for managing the spontaneous combustion potential of the coal being mined, including adding an inspection plan for carbon monoxide detection systems.
References to the inspection and maintenance practices of fire suppression systems in applicable standards, including N N N N and NFPA Format: Paperback. The term “spontaneous combustion” may seem like an idea from a fantasy movie or tabloid newspaper, but in fact, spontaneous combustion is a serious source of fires in home and garage workshops, as well as on ing to the U.S.
Fire Administration, spontaneous fires are one of the leading causes of fires in agricultural storage facilities (i.e., barns, silos, stables, etc.).Author: Jeff Beneke.
After cleaning up a lawn mower, Jason piles up a bunch of gas and oil soaked rags in the corner of the garage. During the night, the rags undergo spontaneous combustion, setting fire to the garage before the fire could be extinguished. According to HAZMAT guidelines, these rags exhibited a dangerous level of.
Rev Inst Hyg Mines (Hasselt). ;38(2) Early detection of open fires and spontaneous combustion in mines. Hornsby CD, Makower AD. Until fairly recently the detection of heatings was based on men seeing or smelling smoke and the laboratory analysis of mine air by: 1.
Spontaneous human combustion (SHC) is the concept of the combustion of a living (or recently deceased) human body without an apparent external source of ignition. In addition to reported cases, descriptions of the alleged phenomenon appear in literature, and both types have been observed to share common characteristics in terms of circumstances and the remains of the victim.
Gob stink It is tarry smell found in coal fire area, it is a warning sign about spontaneous heating. Mine Fires SPONTANEOUS COMBUSTION. Fire indices: Grahams Ratio It is rate of production of Co or Co2 with that of oxygen consumed.
1. Co/O2 deficiency or 2. Co2/O2 deficiency (Youngs ratio) Grahams ratio increases with the intensity of heating.Management of Spontaneous Combustion for Metalliferous Mines Matt Landers and Brent Usher Klohn Crippen Berger, Australia ABSTRACT Spontaneous combustion of mine waste is usually associated with coal mines.
It occurs to a lesser extent with ore deposits that contain pyrite (FeS 2) or pyrrhotite (Fe 1-x S) and carbonaceous materials.Soon, as the heating rate increases in intensity to about degrees F, incipient combustion, and ultimately self-ignition and flame, will occur.
Spontaneous combustion has long been recognized as a fire hazard in stored coal. Spontaneous combustion fires usually begin as "hot spots" deep within the reserve of coal. The hot spots appear.