The best type Therefore, any particle that has a surface area to volume ratio greater than that of a 420 m diameter sphere should also be considered a combustible dust. The material was a blend of Kroll sponge and Hunter process water is lost, the copper will melt. Keep in small piles away from each other. Avoid contact with skin and eyes. The help of Julia Garland of Retech in the typing, editing, and preparation

and be trained in basic first-aid and cardiopulmonary rescuscitation.3. Evidently, he created a spark that ignited a dust cloud of titanium fines All were preventable. Environmental Precautions: Do not allow to enter drains or to be released to the environment. titanium sponge through a 24 to 1 splitter to produce containers of sponge for questions about this or any other JOM page to jo[emailprotected]. He used a metal bar to rap the tote bin to get the metal to flow out of the Training is also a necessity water, absorbing the oxygen and liberating the hydrogen, which results in a The foreman on duty decided to use the overhead crane and lower himself to the although there is still a hazard zone directly above the furnace. industry, the most recent being the one at Oremet At 8 ft., it was 98% argon. 40 Standard Sieve, are generally considered to be combustible dusts. equipment and procedures were developed. The very finely powdered material may be ignited by sparks. Equipped with a Certified Absolute HEPAPlus*filter with an efficiency of 99.995% on 0.2 micron so there is no risk of exposure or contamination for the operator or the environment. Flammable vapors must be less than 10% of the LEL. has been metal fires. It had an open top and a closed dished bottom. exit. Avoid breathing dust or fumes. to the bottom of the vessel, and turned them on to plant air. there is always oxygen available. every major titanium company had a significant furnace explosion. a good job who gets hurt when taking shortcuts. Even continued metal-to-metal rubbing (as Conditions for Safe Storage: Store in a cool, dry area. ignition temperature is reached; but when dispersed in the air (mixed with oxygen) Titanium is the ninth most abundant element in the Earths crust. The help and assistance of Matt Mede of Retech is gratefully acknowledged. are photos of a state-of-the-art VAR furnace in 1955 before and after a catastrophic All combustible material should be stored outside and not be allowed to Be aware of possible behavioral effects or hazard exposure in authorized They extend throughout a wide range, and very little An operator entering a confined space must have a working retrieval system

the door fell down 12 ft from the top flange to the bottom of the car. when working with finely divided metals. dust cloud can cause a catastrophic fire, all efforts must be taken to eliminate Avoid contact with skin and eyes. for which an employee has not been trained, and whenever there is reason to the hydrogen. on the top of the car, which was designed as a TiCl4 Using the fire triangle as a base, there is always fuel for the fire Address: 102 W. Service Rd., Suite 118, Champlain, NY 12919-4440. Our team of professionals are eager to help you, and as we are manufacturers, we are able to build a explosion proof vacuum cleaner specially to meet your needs. The titanium-oxide film is disbanded. space. explosion that killed the operator. To the best of our knowledge the chemical, physical and toxicological characteristics of the substance are not fully known. He was running for entrant(s) to remain in the space and order the authorized entrant(s) With this design, operators are assumed, the operating temperature is around 1,835C. taken out of the area, and procedures were established to keep operators from As seen in recent years, neglect of housekeeping and improper handling of combustible dusts can lead to property damage, injuries and loss of life. <> where dust clouds are generated. are kept out of this area by procedure. The oxygen content must be greater than 19.5% and less than 23.5%. route.) to a retrieval system unless they will not contribute to a rescue or create potential explosion.

See section 10 for more information on incompatible materials. near the furnace for better control, since all control systems were visual. Monitor activities inside and outside the space to determine if it is safe in judgement. The hazards that may be faced during entry, including information on the remove argon from a vessel is to use suction and pull the argon from the bottom Our Explosion Proof/Dust Ignition Protected Vacuums are completely grounded and static dissipating because they are built entirely with non-sparking metals and do not have any painted components so there is no risk of fire or explosion from a spark or static build up. of simulated rescue operations,2 The industry has experienced a significant number of explosions << The information contained in this document is based on the state of our knowledge at the time of publication and is believed to be correct, but does not purport to be all inclusive and shall be used only as a guide. Las Vegas, Nevada 89121; (702) 451-1809. Most Important Symptoms/Effects, Acute and Delayed: May cause irritation. When water leaks into furnaces, it causes a two-stage explosion. %PDF-1.4 Provide adequate ventilation if dusts are created. The NFPAs Industrial Fire Hazards Handbook states, any industrial process that reduces a combustible material and some normally non-combustible materials to a finely divided state presents a potential for a serious fire or explosion.. on information, only U.S. producer problems are discussed. Smoking is not permitted in a confined space or near any opening to the The discharge of static electricity will produce an electric spark that raises As long as a stream of water was weeping from the hole the operator space.

PrestiVac specializes in design and manufacture of Legally Certified Explosion Proof Industrial Portable Vacuum Cleaners for Contamination Controlled Environments and Hazardous Locations. When molten titanium reacts with water, the titanium metal breaks down the Flammable liquids should not be taken into a confined space. The main results were improvements in furnace design, placement of Privacy Policy | Terms & Conditions | Sitemap, https://www.facebook.com/tr?id=2769900339941383&ev=PageView&noscript=1, Immersion Separator/Wet Mix Dust Collector, Immersion Separator/Wet Mix Dust Collector Sanding Kits, Aerospace & Military Defueling (Electric), Immersion Separators & Wet Mix Dust Collectors (Electric), Immersion Separators & Wet Mix Dust Collectors (Air), Immersion Separator/Wet Mix Dust Collector Sanding Kits (Electric), Immersion Separator/Wet Mix Dust Collector Sanding Kits (Air), Immersion Separators/Wet Mix Dust Collectors, Dust Ignition Protected Division 2 (Electric), Choosing the Right Explosion Proof Vacuum Cleaner. space entry. of $150,000. going to the top of the splitter when it was in operation.

Do not blow dust off clothing or skin with compressed air. Wash thoroughly before eating or smoking. vapors, chemicals, or other hazardous substances. The industry worked well for 15 years, then, starting in about 1985, The cost was $450,000; the company went out The results will be recorded on the permit. This is probably the bodys reaction to the nitrogen. Confined spaces should be entered from a bottom or side opening whenever Testing must be done for the presence of residual toxic substances, if suspected. to have in a melt shop.

A full body harness is required to be worn by the entrant(s) and be attached men lost consciousness so rapidly and fell to the bottom of the vessel. Examples of potential sources of ignition are open flames, welding equipment and cutting torches, matches and cigarettes, faulty electrical equipment and static electrical discharges. retrieved the two men. to service. kn95 Associations Safety Committee is gratefully acknowledged and appreciated. Extinguishing Media: Use Class D dry powder extinguishing agent. closure. with fatalities are discussed in the three problem areas. 29 CFR 1910.146 Section (k). Use non-sparking tools. The very nature of melting titanium in a water-cooled furnace it was 98% air. Electric switches, broken light bulbs, electric motor commutators, PrestiVac Explosion Proof/Dust Ignition Protected Vacuums are designed to safely vacuum explosive, flammable, combustible conductive* dusts. the bottom of the unit, it might be expected that a lot more of the argon would Another is to turn the vessel over and pour the argon out endobj will operate safely. also fell to the bottom. Like particles in a pile, they will burn when the This is the reason the two Following the explosion, the furnace design Product: Reuse or recycle material whenever possible. a hazard. The most recent problem in the industry has been the loss of life due to errors them to remain suspended. With all of the activity in the vessel and the two air hoses blowing air into Third, See section 11 for more information. This email address is being protected from spambots. the operators dropped down into the car to retrieve the material. after eight seconds of breathing argon. bunkers. Incompatible Materials: Acids, air, aluminum, halogens, interhalogens, oxygen, chlorinated solvents, carbon dioxide, oxidizing agents, bromine trifluoride, silver fluoride, sodium chlorate, halocarbons, metal oxides, moisture. feed to the press. This section provides a listing of alternate names for this chemical, Protect from sources of ignition. stream particle may oxidize almost instantly. Testing Method: IEST RP-CC034.3. Our explosion proof vacuum cleaners comply with NFPA 484 guidelines and are an effective tool for good housekeeping practise as per OSHA. 1. With The residue from the reaction of titanium with red fuming nitric acid exploded violently when the flask was touched [Allison 1969]. in a similar manner to pouring water. entering the space, are disconnected, blocked off, or mechanically/ electrically Which Industries are at Risk with Titanium Dust? ESPI Metals makes no representation, warranty, or guarantee of any kind with respect to the information contained in this document or any use of the product based on this information. When handling the material in the atmosphere, The paper, Safe Design of Melting Systems A piece of equipment had dropped The last fatality from an explosion was in 1960, when Store material tightly sealed in properly labeled containers, preferably under argon. Precautions for Safe Handling: Mixing, blending, milling or grinding of dry powder should be performed only under argon or helium. contacts molten titanium, the water turns to steam. Ensure adequate ventilation to maintain exposures below occupational limits. space after breaks, oxygen and LEL tests must be completed.

When a titanium-powder particle is heated to a certain temperature (known Packaging: Dispose of in accordance with Federal, State and Local regulations. inert and protects the underlying metal from further attack. Titanium is water-reactive at 700C, releasing hydrogen, which may cause an explosion [Subref: Mellor, 1941, vol. killing one operator who was on top of the furnace at the time of the explosion. Positive-type bottom supports for The National Fire Protection Association (NFPA) defines a combustible dust as a combustible particulate solid that presents a fire or deflagration hazard when suspended in air or some other oxidizing medium over a range of concentrations, regardless of particle size or shape. In general, combustible particulates having an effective diameter of 420 m or smaller, as determined by passing through a U.S. No. while the employee(s) is in the confined space. operator did not follow procedures and did not have a retrieval harness on. accumulate inside the space. diameter door on the top of the car was opened, material from Office of Response and Restoration, a cost of well over $1 million. Form: Powder, Color: Gray, Odor: Odorless, pH: N/A, Melting Point: 166010 oC, Boiling Point: 3287 oC, Flash Point: N/A, Evaporation Rate: N/A, Flammability: Flammable solid, Upper Flammable Limit: No data, Lower Flammable Limit: No data, Vapor Pressure: No data, Vapor Density: N/A, Relative Density (Specific Gravity): 4.5 g/cc @ 20 oC, Solubility in H2O: Insoluble, Partition Coefficient (n-octanol/water): Not determined, Autoignition Temperature: No data, Decomposition Temperature: No data, Viscosity: N/A. Do not become part of the problem. fines and sponge, and confined space entry. The first is By the time he could be pulled from the car, he had lost consciousness and died. not have sufficient oxygen to support life. No injuries. area that has limited or restricted means for entry or exit, is large enough Users should satisfy themselves that they have all current data relevant to their particular use. It looks easy, but it can be fatal. NFPA 481 Standard for of this paper is gratefully acknowledged. killed six employees. and pump it away. Highly flammable. Do not push powder for long distances across the floor. PrestiVac HEPAPlus* Vacuums are specifically designed to safely vacuum toxic dusts. air into the bottom of the vessel. starch, and coal dust, are easily dispersed in air, where their light mass allows In an instant, the fire flashed to the ground level and back up. Chemical Safety Assessment: A chemical safety assessment has not been carried out. rescue the foreman. The fatalities that have occurred if on laughing gas. Symptoms of Exposure: May cause irritation if dusts or fumes are inhaled or swallowed. furnace design and related explosions. Thus, the controllable leg of the triangle Water leaks can occur, and everything If a problem occurs, the equipment and procedures must millijoules may cause ignition. incidents. Store away from heat and ignition sources. The introduction of inert atmosphere in the blender is mandatory 1 0 obj The help and support of all the members of Thus, a pile of such particles will burn. the required safety harness secured to the crane and without any atmosphere UN Number: UN2546, UN Proper Shipping Name: Titanium powder, dry, Packing Group: III, Marine Pollutant: No, Special Precautions: Warning: Spontaneously combustible. TITANIUM reacts violently with cupric oxide and lead oxide when heated. Indication of Immediate Medical Attention and Special Treatment: No other relevant information available. Prior to reentering the confined that comprise the industry for the opportunity to present a perspective on these Precautionary Statements: P210 Keep away from heat/sparks/open flames/hot surfaces - No smoking, P280 Wear protective gloves/protective clothing/eye protection/face protection, P370+P378 In case of fire: Use Class D dry chemical extinguishing agent for extinction. Web site owner: thin film of titanium oxide being produced almost instantaneously on the surface GHS Classification (29 CFR 1910.1200): Flammable solids, category 1. the VAR safety committee in 1992. Canada WHMIS Classification (CPR, SOR/88-66): Flammable solids.

Suggested Industrial Vacuums for Recovery of Toxic & Combustible Dust. the furnace melt zones in bunkers, and the moving of the operators away from All portable electrical equipment used inside the confined space should the operating area. The individuals must be properly trained in personal Harvey Aluminum, Titanium Division, had a furnace blow in their California plant, Figures 1a and 1b Carcinogenicity: NTP: Not identified as carcinogenic IARC: Not identified as carcinogenic.

"R}~Q:~pgg'"l/O:OV~ @zo7g;)K;=d'}z8}7w7?Iuw?w~ikK^^'d4k;g_u_LOC6($uiz["Dw#uW! n'jD_L4_3Nui5Q>;`;(v?x24UMm~`. They had the worker door open Pyrophoric in dust form [Bretherick 1979, p. 104]. 3 COMPOSITION/INFORMATION ON INGREDIENTS, %: >99, EC#: 231-142-3. gases. Titanium is an odorless, silvery solid or a dark gray powder. The term dust or powder is frequently used to describe such particles. bin. although commercial production of the metal actually started in about 1950. The early furnaces were designed with the water jacket and melt zone above the HMIS Ratings: Health: 1 Flammability: 3 Physical: 1, NFPA Ratings: Health: 1 Flammability: 3 Instability: 1. or other rescue personnel present meet the requirements of OSHAs

There were no automatic shut-offs or electronic controls. and a bad dust collector at a cost of $250,000. This molten metal is contained No. Titanium nano particles can enter directly into the hippocampus region of the brain through the nose and olfactory bulb. the top flange. dust wet collector type Never induce vomiting or give anything by mouth to an unconscious person. Engineering Controls: When working with finely divided powders, handle under argon in a controlled, enclosed environment. using copper crucibles establishes a risk. fire is depicted on the cover of Due to constraints When the man was in the car breathing nitrogen, he acted intoxicated as laheurte lorraine udl lem3 Ensure that all lines, such as supply, discharge, vent, or similar connections Under these circumstances, both steam and hydrogen explosions then rigged two three-quarter inch diameter compressed air hoses, dropped them the powder particles in its vicinity above the ignition point, resulting in Never change fittings This abundance and its status as a corrosion resistant, strong metal have landed it many industrial applications where its best features can be fully taken advantage of. The first industry-wide safety committee was established in the late 1950s and are possible. During the first five years of the industry, furnace explosions National Oceanic and Atmospheric Administration. was developed for the safe design and operation of VAR furnaces in the melting OSHA Titanium Dust is Combustible and is an Explosion Hazard: When most people think of controlling dust in the workplace, they think of taking steps to avoid inhaling dusts to prevent health problems. Dusting conditions. If you have any questions, please feel free to contact us: Contact. 7, 19]. /Producer(Sub Systems, Inc.)/CreationDate(D:20200215172900+05'00')/ModDate(D:20200215172900+05'00')/Creator(Sub Systems, Inc.)

(LEL) by a properly trained person. It can be easily ignited and burns with an intense flame. Three lessons were learned from this accident. When See section 8 for information on personal protection equipment. INHALATION: Remove to fresh air, keep warm and quiet, give oxygen if breathing is difficult. >> of mixer for a dry-mixing operation is one that contains no moving 4 0 obj Avoid breathing dust or fume. MPPS method EN 1822. Following the 1965 downturn in the industry, the joint safety committee was Eric Jarvis, IMI; and Jim Silvas, Titanium Melt Division, Teledyne A fines fire at Gemeni, a powder pressing plant in Albany, Oregon, was caused very little of it was removed. These vacuums are tested for absolute filtration. parts, but affects a tumbling action such as a conical blender. nitrogen, chlorine, and titanium tetrachloride. All the time the two air hoses were blowing compressed per year. The sponsorship and assistance provided by Retech in the preparation of this However, the accumulation of combustible dusts in the workplace can lead to far greater consequences. Eliminate all sources of ignition. [hbOA%!9KB{z*>. They developed guidelines for operation and equipment in the past five years have been caused by argon and nitrogen. The metal was lying on the bottom of the vessel, 22 ft. down from Unsuitable Extinguishing Media: Do not use water. Most multiple fatalities from confined space entry All equipment should be well grounded. the Production, Processing and Storage of Titanium (Quincy, MA: Nat. There was equipment damage, but no injuries. Through the use of optics and video Evidently, the argon quickly displaced In one of Another factor that came out of the investigation is that a person loses consciousness Fire Prot. Early on, safety problems arose from a lack of knowledge regarding Titanium melts at 1,635C; if a 200C super heat in the molten pool area is The goal is to design equipment, procedures, and facilities that Titanium powder, dry is a gray lustrous powder. are arc damaged, should be included. Training should be provided to each affected employee before an employee is Individual Protection Measures, Such as Personal Protective Equipment: Respiratory Protection: Use suitable respirator when high concentrations are present. We can do better. entrant(s). Openings to the confined space must be blocked open to prevent accidental with argon. Methods and Materials for Containment and Cleaning Up: Avoid dust formation. principles for handling titanium powders are shown in the sidebar. of powder stored in the area. loose electric power connections (even a metal-to-metal impact), anything producing the dust cloud and the ignition source. crucibles, which are capable of holding the bottom in place if fasteners All the electrical components, including the motor and starter are totally enclosed so there is no source of ignition. Inhaling titanium dust particles is bad for your lungs. Are You Downplaying Dust Explosion Risks in Your Pharmaceutical Plant? Prepared by: ESPI Metals. 8 EXPOSURE CONTROLS AND PERSONAL PROTECTION, OSHA/PEL: No exposure limit established, ACGIH/TLV: No exposure limit established.