fire supressant chemical for use in coal mines

CN102258836A

The invention discloses a flame-retarding fire extinguishing agent for coal mines which is prepared from distilled water 05 to 5 percent of propylene glycol 675 to 76 percent of high-hydroscopicity resin 5 to 9 percent of potassium ferricyanide 6 to 11 percent of tripolycyanamide and 8 to 12 percent of potassium bicarbonate wherein the pH value of the flame-retarding fire extinguishing...

Belt Drive Fire Suppression

underground coal min There are 39 mines in the nation with dry powder chemical systems mostly installed on the number one belt drive at the portal because of freezing temperatures in the winter No coal mine has a foam generator system...

Water mist

Water mist - An emerging fire suppression system to control coal mine fire Article in Journal of Mines Metals and Fuels 56 7 129-134 July 2008 with 61 Reads How we measure reads...

fire supressant chemical for use in coal mines

fire supressant chemical for use in coal min Milling is also known as grinding it is a material more refining process A sharp object works by concentrating forces which creates a high pressure due to...

Underground Mining Regulations

Mine explosion suppression procedure required in coal mine Coal dust minimization procedure required in coal mine fire-suppression system means a device that automatically activates to suppress a fire in a particular place or if the device is located on mobile equipment may be activated to suppress a fire automatically manually...

Squib explosive

History Squibs were originally made from parchment tubes or the shaft of a feather and filled with fine black powderThey were then sealed at the ends with wax They were sometimes used to ignite the main propellant charge in cannon Squibs were once used in coal mining to break coal...

Fire detection and suppression in mines

Fire suppression principl The easiest method to kill a fire is to remove the heat in other words to cool the area down The next best option is to displace the oxygen and hence smother the fire Cooling down is the most reliable method since after cooling down a fire...

30 CFR § 751907

§ 751907 Diesel-powered equipment intended for use in underground coal min a 1999 the equipment must have an automatic or manual fire suppression system that meets the requirements of § 751911 of this part and at least one portable multipurpose dry chemical type ABC fire extinguisher listed or approved by a nationally...

fire supressant chemical for use in coal mines

fire supressant chemical for use in coal mines Peabody gives look into North Goonyella fire findings Despite sustained efforts to manage the oxidation from the mine surface including use of nitrogen to create an inert environment within the 9 North panel goaf gob the oxidation accelerated into a spontaneous combustion event that eventually...

Dust Suppression Chemicals

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...

Advancing fire suppression systems in mining

Before fire suppression systems were introduced to and implemented in the mining industry in the 1960s there was a significant amount of crippling loss of equipment production and life due to...

PDF Remote Mine Fire Suppression Technology

One of the major ignition sources of fires and explosions in underground US coal mines is flame cutting and welding On May 20 2006 af lame-cutting operation at the Darby Mine No 1 led to an...

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...

Coal Dust Control Power Engineering

Jul 15 2013 0183 32 Other coal dust control technologies mitigate dust the same way firefighters put out a fire They use a powerful water spray to smother clouds of dust erupting from a pile of coal as it is...

DGMS Circulars 1935

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 min Recommendations of 10th National Conference on Safety in Mines held on 26th 27th December 2007 at New Delhi...

Faulty dozer fire suppression fails to quell flames

Faulty dozer fire suppression fails to quell flames A DOZER driver at a New South Wales open cut coal mine noticed an oil leak and smoke coming from the front of the machine The dozer driver manually activated the fire suppression system however it did not fully extinguish the fire...

5 Important fire suppression chemicals

Jul 11 2019 0183 32 Fire suppression chemicals are chemicals used to suppress fire They are stored in a extinguisher bottles Like the fire extinguisher bottle and are used to extinguish fire Here are some fire suppression chemical Carbon Dioxide CO 2 Carbon Dioxide is a time proven clean agent Non conductive CO2 is particularly effective in confined areas...

coal conveyor belt fire protection suppression systems

coal conveyor belt fire protection suppression systems sprinkler fire fighting system ELECTRICALHOUSEHD FIRE DELUGE VALVE MODEL -A INSTALLATION - VERTICAL IN...

Fire Extinguishers in Underground Coal Mines

Only fire extinguishers approved by the Underwriters Laboratories Inc or Factory Mutual Research Corp carrying appropriate labels as to type and purpose shall be used After March 30 1971 all new portable fire extinguishers acquired for use in a coal mine shall have a 2A 10 BC or higher rating III Section-by-Section Analysis...

Mine Fires

The Coal Mine Health and Safety Act of 1969 mandated the use of fire-resistant conveyor belts in the underground coal mines in the USA FCMS H 1969 Also in Canada a fire performance standard for conveyor belts used in underground mine operations was developed and adopted as a national Canadian standard CSA 1987...

Centralia mine fire

The Centralia mine fire is a coal-seam fire that has been burning underneath the borough of Centralia Pennsylvania United States since at least May 27 1962Its original cause is still a matter of debate It is burning in underground coal mines at depths of up to 300 feet 90 m over an 8-mile 13 km stretch of 3 700 acres 15 km 2 At its current rate it could continue to burn for over...

30 CFR § 751912

CHAPTER I - MINE SAFETY AND HEALTH ADMINISTRATION DEPARTMENT OF LABOR SUBCHAPTER O - COAL MINE SAFETY AND HEALTH PART 75 - MANDATORY SAFETY STANDARDS - UNDERGROUND COAL MINES Subpart T - Diesel-Powered Equipment § 751912 Fire suppression systems for permanent underground diesel fuel storage faciliti...

The prevention and control of fire and explosion in mines

5 While fire and explosion risk assessments have to be carried out both below ground and on the surface this guidance relates primarily to fire and explosion risks below ground However the general principles should be applied to those buildings and equipment on the surface of a mine where a fire or explosion could prejudice safety below ground...

Squib explosive

History Squibs were originally made from parchment tubes or the shaft of a feather and filled with fine black powderThey were then sealed at the ends with wax They were sometimes used to ignite the main propellant charge in cannon Squibs were once used in coal mining to break coal away from rockIn the 1870s some versions of the device were patented and mass-produced as Miners Safety...

Mine Safety and Health Administration

Apr 01 2011 0183 32 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 combustibl...

Standard for Fire Prevention and Control in Coal Mines

11 Scope 111 This standard shall cover minimum requirements for reducing loss of life and property from fire and explosion in the following 1 Underground bituminous coal mines 2 Coal preparation plants designed to prepare coal for shipment 3 Surface building and facilities associated with coal mining and preparation 4 Surface coal and lignite mines A111 In the development of...

fire supressant chemical for use in coal mines

Fire Supressant chemical For Use In cement Mines cc fire supressant chemical for use in coal mines Mine Firefighting Foams MFFF MFFF is a chemically distinctive and exclusive fire suppressant designed to fight intense fires in coal mines by the use of a durable chemical...

Coal Mining

COAL Mining With the long experience period and many of site technical reference we become one of the expert company in dealing with coal handling by using our outstanding product in coal dust handling spontaneous combustion prevention ENVACOL HMN series and coal fire suppressant FENOM series We are not only supply chemical but also give total solution including equipment design...

Study on the composition and structure of foamed gel for

Aug 01 2019 0183 32 1 Introduction Spontaneous combustion of coal caused by low temperature oxidation is a serious hazard in coal mines which can lead to methane explosions causing casualties injuries and environmental pollution Wang 2008 Singh et al 2007 Methods of preventing or suppressing coal fires include grouting water spray the injection of inhibiting or inert gases such as liquid carbon...

fire supressant chemical for use in coal mines

fire supressant chemical for use in coal min Milling is also known as grinding it is a material more refining process A sharp object works by concentrating forces which creates a...

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