fire supressant chemical for use in coal mines

Spontaneous Combustion - an overview | ScienceDirect Topics

A recent newspaper article [22] carried the headline "Fire Caused by Spontaneous Combustion," and contained the following passage:. Spontaneous combustion is not uncommon, but it takes time for heat to build. "In industrial processes, the storage or disposal of oily rags in piles can allow them to self heat, or the combustion process could have been …

Spontaneous Coal Combustion Part 2: Chemical Inhibitors ...

This caused a significant spike in coal consumption, leading to more and more documentation of spontaneous coal fires in mines, on trains, and in coal-fired power plants and steel mills. Early research studies of coal oxidation identified several key parameters that influence the process, such as coal rank, particle size, and surface area, and ...

Study Material | Mine Portal - India's Mining Exams ...

Use of Chemical Additives for Dust Suppression in Coal Mines; Fire Suppression and Control System to be used in Mines; Modified standard condition stipulated under CMR 98 & MMR 106 for using HEMM in OC mines. Recommendations of 10th National Conference on Safety in Mines held on 26th & 27th December 2007 at New Delhi.

Dust Suppression Chemicals - Dust Suppression Chemical ...

Coal fly ash's use and disposal is receiving greater and greater attention of public, Government and Thermal Powder Plants in the interest of economy and environment. DUSCON is mixed with water in the ratio of 1:1000 depending upon the texture and particle size of the coal fly ash.

Compliance Guides and eLaws Advisors | Mine Safety and ...

Compliance Guides RECOMMENDED GUIDELINES on REPAIR or REBUILD and MAINTENANCE of CIRCUIT BREAKERS INTERPRETATION OF 30 CFR 75.1100-1 AND 75.1100-2 Regarding Water Delivery Capability of Coal Mine Waterlines when Fighting a Fire with a Firehose and Nozzle Diesel Equipment Inventory Questions and Answers Mine …

(PDF) Dust Suppression with Glycerin from Biodiesel ...

Coal dust causes serious health and environmental problems. Glycerol was identified as a component of coal dust suppressant (CDS) in order to prevent coal dust air pollution [60]. Bunyamin [61 ...

Voisey's Bay mine takes unconventional approach to fire ...

The Panther is built for off-road use has the ability to extinguish a fire considerably faster than standard over-the-road structural trucks used at …

New Tools Better Enable Mine Firefighters - Burner Fire

Published: Tuesday, 06 April 2010 16:02 Written by Coal Age News Operators and industry vendors create solutions to omnipresent dangers By Lee Buchsbaum When things go wrong 4,000 feet into the mountain and two miles away from the nearest county road, or virtually anywhere on mine property, there is no […]

Mining Safety Equipment For Fire Suppression | Akron Brass

We have heavy duty mining equipment, such as unique manual and electric monitor (water cannons) systems for firefighting, dust suppression, high duty cycle, equipment cleaning and rock face stabilization. Our product are proven to be effective, both in application and in cost. We saved Hunter Valley Operations $100,000 in a year with the ...

MSHA Mine Safety and Health Administration, Approval ...

3.5. Approval and Certification Center (A&CC) Acceptance of Conduit Hose, Fire Suppression Hose Cover and Fire Hose Liner for use in Underground Coal Mines (ASAP 5009). 4.0 DEFINITIONS 4.1. Applicant: A company that manufacturers or controls the assembly of a product, and is seeking certification of materials used in the product. 4.2.

CDC - Mining Topic - Fire Control and Suppression - NIOSH

NIOSH will investigate how airflow affects fire suppression systems in conveyor belt entries. This information, coupled with the findings from recent NIOSH studies, enables the mining industry to adjust their practices to mitigate any health and safety issues resulting from a change in mining practices. NIOSH will use modern fire computer codes ...

(PDF) Water mist - An emerging fire suppression system to ...

The paper deals with the use of 'water mist' as fire suppressant in coal mines. Water mist could have better suppressant in comparison with other …

Assessing and managing spontaneous combustion of coal

3.4 Prevention of spontaneous combustion in mines 33 3.4.1 Ventilation 33 3.4.2 Spark avoidance 35 3.4.3 Coatings on pillars and exposed surfaces 35 3.5 Response and control 37 3.5.1 Fire detection 37 3.5.2 Suppression and control 38 3.6 Comments 39 4 Legislation, guidelines and management plans 40

Mine Safety and Health Administration

Section 1107-6(a)(1) requires fire suppression devices to be adequate in size and capacity to extinguish potential fires in or on the equipment protected. Fire hazards in underground coal mines are typically Class A combustibles.

(30 U.S.C. 451 (35 FR 17890),

standards under the Federal Coal Mine Safety Act (30 U.S.C. 451-483). These standards continued in effect under the Federal Coal Mine Health and Safety Act of 1969 (Coal Act) through a transfer provision in the law. On November 20, 1970 (35 FR 17890), the Bureau revised its standards addressing fire protection in underground coal mines. The revised

Fire Protection in the Mining Industry - FPA A

fire suppression systems installed that may contain such agents. The primary scheduled extinguishing agent used on mine sites is FM-200®/ FE-227™ (with some minimal use of NAF S-III and NAF P-III). Halon systems (halon 1301, halon 1211) have been phased out due to its significant ozone depleting

Preparation and characterization of an environmentally ...

Key Laboratory of Gas and Fire Control for Coal Mines, China University of Mining and Technology, Ministry of Education, Xuzhou, China ... In this study, an environmentally friendly and efficient compound chemical dust suppressant for transportation road dust in a copper mine was developed. On the basis of testing the physical and chemical ...

The development and characterization of a novel coagulant ...

The graft copolymerization technique has been widely applied in several fields including mining. For example, Cheng et al. (2015) adopted the graft copolymerization method to develop a super absorbent resin for fire suppression in mines. Furthermore, Zhao and Zhang (2015) synthesized and applied related materials for filling and grouting in mines.

Federal Register :: Fire Extinguishers in Underground Coal ...

Section-by-Section Analysis. Existing § 75.1100-2 sets requirements for the quantity and location of firefighting equipment in underground coal mines. At working sections, paragraph (a) requires 240 pounds of rock dust (about six bags), two portable fire extinguishers, and a ready supply of water or dry chemical.

Scoping Study: Application of New Forms of Fire ...

It has been suggested this could have application to reducing the levels of methane in gassy coal mines. This property of micelle chemicals may be of the most benefit to the coal industry exceeding that of improvements in fire fighting ability, and warrants investigation.

A New Approach to Control a Serious Mine Fire with Using ...

Mine Fire Description. The Rujigou coal mine is located in the north of the Ningxia Hui Autonomous Region. The area of mine field is 11.4 km 2. Its production capacity is 1.5 Mt per year and seven mining coal seams are available. In the Rujigou coal mine, the 34 m-thick 2 1 2 seam is the primary mining seam.

Dust Suppression Chemicals - FireChem – Innovative fire ...

DUST SUPPRESSION CHEMICAL FOR (CEMENT) IS MANUFACTURED UNDER EXCLUSIVE TECHNOLOGY TRANSFER AGREEMENT BY INDIAN SCHOOL OF MINES, DHANBAD. Specific industries face a lot of problems due to the very nature of mineral extraction in coal handling plants of powder houses, cement plants etc. Dust is also generated at haul roads and …

Risk assessment workbook for mines

instability, inrush, atmospheric contamination, mine shafts, conveyors, earth moving machinery, fire, explosives, electrical work and mine roads. If you identify a prescribed hazard, the Mine Health & Safety Regulation 2007 clause 35 requires you to take into account certain factors that are relevant to the hazard. These factors are:

DGMS Circulars 1935-2017 | Online Mining Blog

Application of –gel technology for suppressing coal ...

Coal spontaneous combustion in coal mines is an extremely destructive disaster that threatens the safety of workers in the mining process. To overcome the shortcomings of existing technologies and improve the efficiency of mine fire control, a –gel technique was developed. The –gel can capture more than 90 % of water while also covering dangerous …

Fatality #7 September 7, 2018 - Final Report | Mine Safety ...

The mine operator contracts a local company, Cintas Fire Protection, to perform the maintenance on all fire suppression systems on the mine site. Based on these records, the last three maintenance inspections for the fire suppression system were conducted on July 31, 2017, January 26, 2018 and most recently July 26, 2018.

Fire suppression advancements in mining - MINING

Most of these fire suppression tanks contain liquid agents that can be simultaneously used together with a dry chemical agent. Other fire suppression systems include the use of CO 2 cartridges ...

Prevention of fires in underground mines - guideline

Prevention of fires in underground mines guideline. 1. 1 Introduction. Fire is a serious hazard in mines and outbreaks of fire underground can be particularly dangerous due to the: • confined nature of excavations • potential quantity of smoke and noxious fumes • restricted ability to evacuate quickly from the mine.