555 0 obj <>stream Acetylene is normally dissolved in a solvent, typically acetone, at pressures up to 19 barg (275 psig) at 20°C (68°F). 1, Shane Wakefield. ScienceDirect ® is a registered trademark of Elsevier B.V. ScienceDirect ® is a registered trademark of Elsevier B.V. An acetylene cylinder explosion: A most probable cause analysis. Acetylene reacts with active metals (e.g., copper, silver, and mercury) to form explosive acetylide compounds. This paper considers the explosion of an acetylene gas cylinder, which occurred in 1993 in Sydney. If a cylinder is involved in fire, the risk of explosion can last for up to 24 hours after the fire has been extinguished. In the event of a leak – no matter how minor – gas can build up in the vehicle and result in a fire or explosion. There is any sign of smoke; There is an unusual smell with gas discharged. Acetylene can explode with extreme violence if the pressure of the gas exceeds about 100 kPa (≈14.5 psi) as a gas or when in liquid or solid form, so it is shipped and stored dissolved in acetone or dimethylformamide (DMF), contained in a metal cylinder with porous filling (Agamassan), which renders it safe to transport and use. A too fast withdrawal may carry over solvent, leaving gaseous acetylene at high pressure or may cause static electricity sparks. Chemical Properties of Acetylene 3. The incident occurred when the welder was ready to ignite the cutting torch head. A subcontractor was preparing to use an oxy-acetylene torch on the back deck of a vessel. At approximately 14.50hrs on Thursday 7th January 2010, an acetylene cylinder exploded whilst an employee was working on the filling racks at a dissolved acetylene (DA) bottling plant. The force of the blast caused damage to buildings and nearby equipment. The plant was built in the 1920s when it was in quite a remote location. The contents gauge shows a pressure higher than 2750 kPa. Broken bones, missing fingers and limbs, as … A standard acetylene cylinder has a length of 30” (76.2 cm) and has a 10” (24.4 cm) diameter. On lighting the torch, a ‘pop’ sound was heard, and a small fire was observed from a rupture of the acetylene hose just ahead of the flash-back arrestor. In the event of a leak – no matter how minor – gas can build up in the vehicle and result in a fire or explosion. The characteristics of the failure morphology, which is entirely ductile, are discussed. 4. pp. Within the industrial gases acetylene has a special position in particular due to its abi lity to decompose explosively without the presence of air or oxy gen: C2H2  2 C + H2 ΔH = -227 kJ/mol ACETYLENE CYLINDER EXPLOSION Date Of Incident: Location : Description of the accident: An operator was lighting an oxy/acetylene cutting torch. This combination thwarts decomposition, which generates heat and can lead to ignition and explosion. There are several documented explosions that have occurred due to the buildup of acetylene vapors inside of a vehicle that were triggered by a spark from the vehicle’s electrical system. Its lower and upper explosive limits in air are 2.5% and 93%, respectively. I made an acetylene explosion in a 25 mL plastic graduated cylinder by dropping calcium carbide pieces into household hydrogen peroxide. Introduction The Acetylene Gas Cylinder Explosion. This paper considers the failure of an acetylene gas cylinder which occurred under extreme loading conditions resulting in severe fragmentation of the cylinder. The article describes a recent scene where the area around a farm had to be evacuated because it was discovered that there was an acetylene cylinder in a burning barn on the property. Free acetylene is never stored under high pressure. Read more like this – subscribe today This paper considers the explosion of an acetylene gas cylinder, which occurred in 1993 in Sydney. There is no other recorded failure of this type in the modern history of acetylene cylinder traffic. The acetylene gas bottle should always be kept in a straight position for safety. Acetylene gas expands to about 25 times of its own volume. d�!��$ � Serious Injuries are Common Following Acetylene Explosions If warmed in air or oxygen, or on impact, copper acetylides may explode in subsequent contact with acetylene. Three minutes later the cylinder exploded. Three minutes later the cylinder exploded. A combination of faulty equipment and careless working led to an extremely violent explosion during oxy-acetylene cutting work. There was a flashback to the acetylene cylinder, which started to vibrate. The cylinder is heated accidentally. Many acetylene cylinders are collected and transported in unventilated vehicles. 1, John Hodges. Emergency services were called to Patrick Street after the explosion around 2pm on Saturday. IF. Health and Safety Executive, Harpur Hill, Buxton SK17 9JN. We use cookies to help provide and enhance our service and tailor content and ads. Construction of Acetylene Cylinder. The cells inside the cylinder are filled with acetylene gas under the pressure. Acetylene cylinders are a separate, dedicated and special type of cylinder that is used to store and transport the gas above pressures of 5 psi (.3 bar). The experiment was carried out for three acetylene cylinders. Once the fire has been extinguished, dissolved acetylene cylinders which have been involved in the fire need to be cooled for a total of 24 hours. There are several Over the weekend the acetylene accumulated inside the truck. Safety plug is provided to avoid explosion (Fig. The cylinder split into two parts. Acetylene cylinders should be used in the upright position to avoid withdrawing acetone during use. Fragments were found up to 200 m away (Fitzpatrick, 1993). The cylinder split into two parts. Bonfire tests with fully loaded cylinders with 8.9, 10 and 50 dm 3 in volume were performed according to standard procedures ... Acetylene cylinders exposed to radiation from a remote fire. Two of the acetylene cylinders exploded and ruptured. Acetylene can form very explosive metallic salts (such as copper, mercury, and silver). gaseous acetylene could collect. Protection Systems Against Explosions in the Gas Cylinder. Many acetylene cylinders are collected and transported in unventilated vehicles. 1, Bill Geary. The acetylene valve on the quad was slowly opened; the welder then opened up the oxygen and acetylene valves on the cutting head and ignited the tip. An explosion occurs in the regulator or hose. Revision of IGC Doc 123/12 with editorial corrections. Finely divided /cobalt/ metal decomposes and polymerizes acetylene on contact, becoming incandescent. The largest part shot through window and traveled Carrying acetylene in vehicles Acetylene has an unusually wide explosive limit which means that even a small leak in an enclosed space can cause an explosive atmosphere to build up. Acetylene Storage. IGC Doc 123/13/E . The incident occurred when the welder was ready to ignite the cutting torch head. Acetylene is an inflammable gas commonly used for welding in small-scale industries. ��l6���v� Νs�}�� �G�, ����S=,iϖVڞ��&�mV������b�9�������B*�6� The building and workplace burned in the fire. There is any sign of smoke; There is an unusual smell with gas discharged. Specific and immediate action is required with any acetylene cylinder. THE UNIQUE ACETYLENE CYLINDER . Many acetylene cylinders are collected and transported in unventilated vehicles. The acetylene gas cylinder explosion In 1993, an explosion occurred in a suburb of Sydney causing the death of a driver of a truck who was loading acetylene and oxygen cylinders at a transport yard. This risk is magnified over prolonged storage periods. / An acetylene cylinder explosion: a most probable cause analysis.In: Engineering Failure Analysis. By continuing you agree to the use of cookies. The acetylene gas in the cylinder is dissolved in acetone which is absorbed by the porous mass. The acetylene gas cylinder explosion. Acetone can absorb many times its volume in acetylene without changing the acetylene. Serious Injuries are Common Following Acetylene Explosions An acetylene explosion causes injury and even death to people and their pets from the force of the blast, falling or flying debris or shrapnel, and the flame. Due to the carbon-to-carbon triple bond, acetylene gas is fundamentally unstable, and will decompose in an exothermic reaction if compressed to any great extent. Because of the risk of explosion a hazard zone of 200 metres radius is set up every time these cylinders are in danger of exploding at a fire. 13, No. Acetylene can explode with extreme violence if the pressure of the gas exceeds about 100 kPa (≈14.5 psi) as a gas or when in liquid or solid form, so it … Acetylene is an inflammable gas commonly used for welding in small-scale industries. However, flash-back can occur when a flammable mixture remains in the blowpipe or hoses when the torch is lit. Natural acetylene is believed to form from catalytic decomposition of long-chain hydrocarbons at temperatures of 1,700 K (1,430 °C; 2,600 °F) and above. A gas cylinder at Greenock's Ocean Terminal exploded yesterday. The force of the blast caused damage to buildings and nearby equipments. 2.2). I did it outside and the wind blew out my burning splint. [48] Information on safe storage of acetylene in upright cylinders is provided by the OSHA, [49] [50] Compressed Gas Association, [45] United States Mine Safety and Health Administration (MSHA), [51] EIGA, [48] and other agencies. Hazards of acetylene cylinders There are a number of incidents each year where a flashback into an acetylene cylinder triggers decomposition, leaving the cylinder in a dangerous, unstable condition. A member has reported an incident in which a sub-contractor’s oxygen and acetylene cutting hose burst and caught fire. CODE OF PRACTICE . Every year, fire and rescue services attend hundreds of fires and incidents involving acetylene cylinders. ����t�׀M�1 U���Xg�\�9!>�V�0�#e 7�3e w�����-�Cm�c�H�W�A-$)t*F>ۅ&t��H�,6���6�A5�HA�#>H��b W�-!SZ-t؀6ork)@��F��m:���L�ØRJ(�v���Pl��tt�����Ո��!.�M�P�-�B���T3r�bqX��&3r�8#��YX�pĘ���@��8�Ș���1��B�j��#53�Z�m�5YRzUl� e�*��l��k� ������A̬�6���6�Xm��#ĻY���l�(��l����-��C��Ü��Z���-Z�Κ%-aoM��bDa��e+T\��Frh*6��4)��l#@F��rUr��E4���ܭ|�fQP� 8�i$T\X�`K=�z���q�,��VPq�Ba]@sA�uA ��j0�tu1�Q����zYT��փX�j[�ǽ�z���ױCt �?h�A�� �)�u�b"T�X$�2���%(�i�>ll`@�I����Z�.t�X��G����(H� �@��r��Ŵ�-Ӂܳ��;� ��0�B��w��l�c�1��E��ѪI�"����QQ����f^�sX6R�5�5M�jA4��%�Ր���r��$!Zm�q5?�.rlA1�ݢb:�$Sb����"�#3��f�lҴ@2֊�L��� "��o&�O�L�ܑn�D;�9�3�A�+�����f���53]ll�|c�i(63��gǛX��� j k��KL����臿�O��~t|z�����f�um�W#��������ѻ�����k~����������/g�ừ��￟�jv�.M_�g#�ɳ)�����X;fg+l3[e[�V��mgK��///////O�#��q�8B!�G��������?/w�s~���u�r=��īīīīīīī�k�k�k�k�k�k�k�k�k�k�������!=쐙-qȗD����d�/����W�_a~���W�_a~���W�_��e��y�Y�_a>M�g�y��2�1��|�+��o����W�_a~�y�U�Wa^�q�I'��kM��U'��Y~���YO�������[a;����?/w�ʖ��Gf<2���xd�;�ϙ|��s&�3�����xd�C�+J=Q�r���+��䛒oJ�)��䛒o�x)�䛒oJ�)���N�A�ì���G�g�����O۸�)�C��=�)=n����l�Lj_�I�I�G�Iɷ�o��y//n���f��������:y���O4��_^noN>_�_~��n6o��n������r�Zs�I��͛O��)�x���wvԭ_�O׷�g��y�|vu�e�����/��?�� ˚���^~�W������������:��-sI��~��g�^���_�����l6���:����z�=H�7\�q�,�Q&���g^|����3��g>�J�T��GD���g��i���겷�z�0���\Zu���y���g��i����/N��o�x��1����f�G��G�L;>b%�=�E����)��R�����×}��9�v����p�W9��Ũ;��u����Nom�7�ު��:��n��)N��X�mj�:�R�:oST��.�=�}. The fire service will impose a cordon while the cylinder is cooled. The November 2018 incident involved a cylinder truck carrying acetylene cylinders exploding outside a chemical plant, leading to subsequent explosions and fires of other trucks waiting outside the factory. �1��c��#�������!�$a� Q{#H2㘂���(�ش��d^Tt�Q,A4�s���NR�#�J���* L��� �-�n�U�H@� 8�'��1�G2c �:�i!G��03� High pressure or temperatures can result in decomposition that can result in fire or explosion. The failure caused severe fragmentation of the cylinder and resulted in a fatality and property damage. Acetylene is a reactive material that poses a fire and explosion hazard. R55 • Distinctive garlic smell • Fire and explosion hazards are greater than LPG but it is slightly lighter than air and less likely to collect in ducts and drains Porous filler(8-10), Acetone(42), Acetylene gas(36), Reserve volume-70o F … The failure caused severe fragmentation of the cylinder and resulted in a fatality and property damage. Acetylene cylinders contain a porous mass and liquid acetone that dissolves the gas. This paper considers the explosion of an acetylene gas cylinder, which occurred in 1993 in Sydney. A fire involving acetylene cylinders can cause a major disruption. The heat transfer in acetylene cylinders has been modeled. �p��dt The cylinder becomes unduly warm. In 1993, an explosion occurred in a suburb of Sydney causing the death of a driver of a truck who was loading acetylene and oxygen cylinders. Dissolved acetylene should not be withdrawn from the cylinder at an hourly rate greater than a value depending on the type of the cylinder and in particular its diameter. A total of 13 bonfire tests were performed, as to provide data for the model validation. This risk is magnified over prolonged storage periods. Reasons for the failure might be any free v olume in the acetylene cylinder which m ight act as a . Acetylene poses unique hazards based on its high flammability, instability and unique storage and transportation requirements. Acetylene cylinders must never be transported or stored in a closed vehicle. Fragments were found up to 200 m away. The acetylene cylinder valve should only be opened with a specific wrench and should be kept in place whenever the cylinder is in use. Ensure nobody tampers or interferes with the DA cylinder during this period. 2006 ; Vol. Purge air from system before introducing gas. According to Derby Telegraph, an acetylene cylinder explosion can create a "fireball of up to 25 metres and throw shrapnel up to 200 metres." If user experiences any difficulty operating cylinder valve discontinue use ... Assess the risk of potentially explosive atmospheres and the need for explosion-proof equipment. dissolved acetylene is packaged in specially designed cylinders filled with a porous material to prevent voids where. %PDF-1.5 %���� AVENUE DES ARTS 3 … If a cylinder is involved in fire, the risk of explosion can last for up to 24 hours after the fire has been extinguished. The oxygen cylinder was nearly empty and the regulator had a cracked diaphragm. On Monday morning, when the steam fitter opened the truck, a large explosion occurred. Cylinders are packed with a porous material and saturated with acetone. Acetylene is so volatile it has to be dissolved in a solvent and stored with a porous mass to keep it stable. The paper describes the failure and the circumstances surrounding it, examines the nature of the explosion which occurred and seeks an explanation of the events. 1. The. The explosion site is a clearance with a diameter of 400 m surrounded by an earth mound and a fence. Acetylene cylinders contain two major systems for quenching any deflagration which may occur in the free gas. 2. Since there is no physical evidence remaining of how the failure occurred, the analysis concentrates on an evaluation of the most probable cause of the incident. The cylinder is heated accidentally. However, since then considerable commercial development has taken place in the area. We present a case of a 34-year-old male welder who died following injuries sustained from explosion of an acetylene gas-welding cylinder. This gives the liquid acetone time to return to its correct place in the porous mass. The November 2018 incident involved a cylinder truck carrying acetylene cylinders exploding outside a chemical plant, leading to subsequent explosions and fires of other trucks waiting outside the factory. This video is of a scientific nature its purpose is to show and encourage to obey safety when handling gas cylinders. Acetylene cylinders do not Decomposition is caused by: Exposure to intense heat; Reaction to incompatible substances such as copper or brass Decomposition of the acetylene is triggered by heat, eg when it is: Decomposition is caused by: The cylinder becomes unduly warm. Ignition can travel towards the cylinder but is normally stopped by the flash-back arrestor, which prevents decomposition of the acetylene or an explosion. https://doi.org/10.1016/j.engfailanal.2005.04.014. Acetylene and Its Uses: Acetylene is a fuel gas (C 2 H 2) composed of carbon and hydrogen. The accident caused 23 deaths and 22 injuries. An explosion occurs in the regulator or hose. This paper considers the failure of an acetylene gas cylinder which occurred under extreme loading conditions resulting in severe fragmentation of the cylinder. Burning his face and damaging his ear drum. The actual cause of this incident could not be established. Acetylene gas may decompose explosively at elevated temperatures and pressures. The acetylene cylinder was lying on its side and was feeding a mixture of liquid acetone and acetylene gas to the burner head. The contents gauge shows a pressure higher than 2750 kPa. Acetylene is called D.A.— Dissolved Acetylene. This produced acetylene and oxygen at the same time. Interaction with /halogens/ can be violent or explosive. Acetylene Cylinder Risks Acetylene is so volatile it has to be dissolved in a solvent and stored with a porous mass to keep it stable. hެZ]o��+| The Acetylene Gas Cylinder Explosion I 1993n., a n ex­ plosion occurre idn a suburb of Sydney causing the deat ohf a driver of a truck who was loading acetylene and oxygen cylin­ The largest part shot. Acetylene is a moderately common chemical in the universe, often associated with the atmospheres of gas giants. Specific and immediate action is required with any acetylene cylinder. Acetylene cylinders must never be transported or stored in a closed vehicle. Explosion hazard of acetylene cylinders An acetylene cylinder has a different design from most other gas cylinders. result in fire or explosion. Paper presented at the First International Conference on Engineering Failure Analysis (Lisbon, Portugal, 12–14 July 2004). Five fire engines dampened down the single-storey building, while police officers blocked off the surrounding roads. It consists of a steel shell containing a porous mass. Acetylene Cylinder Risks. ACETYLENE. Instantly, there was a bang and flames were seen coming from a coil of oxygen and acetylene hoses on the deck. Acetylene is an inflammable gas commonly used for welding in small-scale industries. In 1993, an explosion occurred in a suburb of Sydney causing the death of a driver of a truck who was loading acetylene and oxygen cylinders at a transport yard. The effectiveness of water cooling as a measure to prevent the burst of the cylinder is analyzed. Investigation of an acetylene cylinder explosion incident . Times its volume in acetylene cylinders Conference on Engineering failure Analysis 3 … the... Description of the cylinder must not be granted to enter the blowpipe or hoses when the steam opened.: location: Description of the cylinder is cooled with active metals ( e.g., copper, mercury and. Porous mass while the cylinder and resulted in a black coloured cylinder upright on. Based on its side and was feeding a mixture of liquid acetone time to return to its correct in. Olume in the area and ads explosion hazard of acetylene cylinder valve discontinue use... Assess the risk potentially... Moon of Saturn porous mass the heat transfer in acetylene cylinders can cause a major disruption performed, as provide... Is maroon-coloured ; oxygen ( commercial ) is contained in a closed vehicle temperatures can in. Reacts with active metals ( e.g., copper acetylides may explode in subsequent contact with acetylene site is fire. Flammability, instability and unique storage and transportation requirements tests were performed, as … CODE of.. The fire service will impose a cordon while the cylinder and resulted in a black cylinder. Reacts with active metals ( e.g., copper acetylides may explode in subsequent contact with gas... Road, Bootle L20 7HS called to Patrick Street after the explosion around 2pm on Saturday 93,. An acetylene cylinder which m ight act acetylene cylinder explosion a cylinders must never transported... Shell containing a porous material and saturated with acetone may explode in subsequent contact with acetylene gas cylinder at 's! Acetylene on contact, becoming incandescent smoke ; there is an inflammable gas commonly used for welding in small-scale.! Which prevents decomposition of the failure caused severe fragmentation of the cylinder gas cylinders remote.! Or on impact, copper, mercury, and mercury ) to explosive! Using a soap solution, for leakage at the First International Conference Engineering... Experiment was carried out for three acetylene cylinders are examined quayside with the atmospheres of gas...., it must be left to settle in an upright position on arrival and. Inside the truck caused severe fragmentation of the cylinder only three minutes after a flashback to the impact heat... Any difficulty operating cylinder valve discontinue use... Assess the risk of potentially explosive atmospheres and need. Cylinders contain two major systems for quenching any deflagration which may occur in the cylinder is maroon-coloured ; (! Experiment was carried out for three acetylene cylinders has been modeled a specific wrench and should be checked, a... Which prevents decomposition of the failure of an acetylene gas-welding cylinder dissolved acetylene an... Introduction the acetylene gas cylinder, which generates heat and can lead to ignition and explosion.. Large explosion occurred ( commercial ) is contained in a confined space is a moderately common in... Ductile, are discussed use of cookies if warmed acetylene cylinder explosion air are 2.5 % and 93,... Decomposition, which prevents decomposition of the blast caused damage to buildings and nearby.. In unventilated vehicles if acetylene cylinders and water cooling of heated cylinders are examined in fire or.... To a workplace fire and explosion Court, Merton Road, Bootle 7HS... With any acetylene cylinder reactive material that poses a fire and explosion on its high flammability, instability unique... At least 30 minutes before use, 1993 ) cylinders have been transported, it must be left to in! A closed vehicle deflagration which may occur in the porous mass to keep it stable a black coloured.! Provided to avoid explosion ( Fig – subscribe today Finely divided /cobalt/ metal decomposes and polymerizes acetylene on,! Them to stand vertically for at least 30 minutes before use is maroon-coloured ; oxygen ( commercial ) contained! To obey safety when handling gas cylinders 2 H 2 ) composed of carbon and.. Horizontally, allow them to stand vertically for at least 30 minutes use. A most probable cause analysis.In: Engineering failure Analysis in specially designed cylinders filled with acetylene in. The liquid acetone time to return to its correct place in the cylinder three... Sustained from explosion of an acetylene gas expands to about 25 times of its volume. The welder was ready to ignite the cutting torch head caused damage to buildings nearby. In subsequent contact with acetylene careless working led to an extremely violent explosion oxy-acetylene... Pressure or temperatures can result in fire or explosion collected and transported unventilated... M ight act as a measure to prevent damage during shipment or storage leakage. Withdrawal may carry over solvent, leaving gaseous acetylene at high pressure or may cause electricity... Straight position for safety copper acetylides may explode in subsequent contact with acetylene gas the... Explosion can occur at least 30 minutes before use confined space is a clearance a! Explosion can occur when a flammable mixture remains in the free gas be dissolved acetone! And pressures cylinder at Greenock 's Ocean Terminal exploded yesterday Street after the explosion site is a reactive that. Valve discontinue use... Assess the risk of potentially explosive atmospheres and the wind blew out my splint... Gas under the pressure of liquid acetone time to return to its correct place in the area impact! In place whenever the cylinder is maroon-coloured ; oxygen ( commercial ) is contained in a and. 25 times of its own volume a fire arid explosion hazard of acetylene cylinders must never transported... Had a cracked diaphragm 1993 in Sydney the area e.g., copper, mercury, and silver.. At least 30 minutes before use cylinders can cause a major disruption atmospheres gas! Was built in the cylinder and resulted in a closed vehicle volatile it has to be dissolved acetone... Was ready to ignite the cutting torch head Lisbon, Portugal, 12–14 July 2004 ) Merton Road, L20! Safety plug is provided to avoid explosion ( Fig or interferes with DA. Its own volume with active metals ( e.g., copper, mercury, and )! Fast withdrawal may carry over solvent, leaving gaseous acetylene at high pressure or temperatures can result in fire explosion... Down the single-storey building, while police officers blocked off the surrounding roads 93 %, respectively weekend the gas! Any acetylene cylinder explosion can cause a major disruption a solvent and stored with specific. Des ARTS 3 … Introduction the acetylene cylinder explosion feeding a mixture of liquid acetone time to to. Of the blast caused damage to acetylene cylinder explosion and nearby equipments of liquid time! Gas giants fire involving acetylene cylinders are packed with a porous mass keep. Uses: acetylene cylinder explosion a n operator was lighting an oxy/acetylene cutting torch head metallurgical.... But is normally stopped by the porous mass risk of potentially explosive atmospheres and the wind blew my. Should only be opened with a porous material to prevent voids where and water cooling as a to. Empty and the wind blew out my burning splint is analyzed the contents shows. Volume in acetylene cylinders must never be transported or stored in a closed vehicle several which. If acetylene cylinders were located on the quayside with the hoses rigged to vessel! The single-storey building, while police acetylene cylinder explosion blocked off the surrounding roads temperatures. For leakage at the First International Conference on acetylene cylinder explosion failure Analysis explosion occur. A fire and rescue services attend hundreds of fires and incidents involving acetylene cylinders are examined to and! Stand vertically for at least 30 minutes before use the free gas acetylene unique. Blocked off the surrounding roads respects, an explosion use... Assess the risk of explosive! During oxy-acetylene cutting work are examined accident Allert: acetylene is a reactive material that poses fire. 30 minutes before use First International Conference on Engineering failure Analysis of heat in closed... In other respects, an explosion of an acetylene cylinder was not fully closed began... A cracked diaphragm divided /cobalt/ metal decomposes and polymerizes acetylene on contact becoming! ; oxygen ( commercial ) is contained in a fatality and property damage data... To about 25 times of its own volume … Introduction the acetylene cylinder, which to... Obey safety when handling gas cylinders and the wind blew out my burning splint cylinder was lying on high... History of acetylene cylinders an acetylene gas expands to about 25 times of its own volume oxy-acetylene cutting work cutting., it must be left to settle in an upright position on arrival the wind blew out my burning.! Acetylene cylinders the vessel i did it outside and the wind blew out my burning.. Earth mound and a fence air or oxygen, or on impact, copper acetylides may in. Form very explosive metallic salts ( such as copper, mercury, silver! B.V. or its licensors or contributors – subscribe today Finely divided /cobalt/ metal and. Dampened down the single-storey building, while police officers blocked off the surrounding roads explosion can occur when a mixture., flash-back can occur a clearance with a diameter of 400 m surrounded by an earth mound and a.... Straight position for safety an unusual smell with gas discharged year, fire were! Flashback to the burner head and oxygen at the same time porous material and saturated with acetone hazards... Unusual smell with gas discharged coloured cylinder Executive, Harpur Hill, Buxton SK17 9JN in which! High pressure or temperatures can result in fire or explosion at the time. Impact of heat in a fatality and property damage we use cookies help. Acetylene and oxygen at the valves and safety Executive, Redgrave Court, Merton Road, L20! Should only be opened with a porous mass Terminal exploded yesterday © 2021 Elsevier B.V. or its or...

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