- Industry: Government; Labor
- Number of terms: 77176
- Number of blossaries: 0
- Company Profile:
A professional who controls processing equipment to separate recoverable oil from refinery sewage system. Respnsibilities include:
* Starts pumps, observes flowmeters and pressure meters, and turns valves to regulate directional flow of oil, water, solids, chemicals, and air, according to operating procedures.
* Turns handwheels to control skimming devices that collect sprung oil from reservoirs of separation units.
* Opens valves on steam heat-exchanger to raise temperature of skimmed oil to treating temperature.
* Mixes and blends caustic cleansing and demulsifying chemicals into oil to remove impurities and water.
* Turns valves to pump reclaimed oil to storage tanks, solids to disposal unit, and water to oxidation ponds or to separator unit for recycling.
* Records amount of oil reclaimed, amount of water or impurities removed, and specified data concerning operating condition of processing equipment.
Industry:Professional careers
A professional who operates variety of pumps and auxiliary equipment, following standard procedures to extract light oil (crude benzol) from coke-oven gas. Respnsibilities include:
* Turns valves and starts pumps to admit gas and wash oil to still and steam to heating coil.
* Reads gauges and thermometers and regulates pumps to control temperature, pressure, and rate of flow of materials.
* Pumps washed gas to processing station or storage.
* Admits steam to coil to separate light oil from wash oil.
* Pumps light oil to benzol plant or storage and wash oil through heat exchangers and coolers for reuse in system.
* Drains water and sludge from tanks.
* Cleans gaugelines, gauge glasses, and decanters.
* Records oil and water temperatures and quantity of light oil extracted.
Industry:Professional careers
A professional who inspects crude and refined petroleum before and after transfer from terminal tanks to ship tanks, to determine if it meets prescribed standards. Respnsibilities include:
* Lowers sample container into ship tanks to obtain sample of oil residue and into terminal tanks to sample oil, or opens bleeder valves on pipelines to obtain sample.
* Determines amount and type of bottom sediment, water, and foreign substance present in oil sample, using centrifugal tester and following standard formulas.
* Lowers thermometer into tanks to obtain temperature reading, and determines quantity of oil in ship tanks, using calibrated tape and conversion tables.
* Records test results.
* Turns valves to close tanks, inspects valves for leaks, and clamps seal around valves to secure tank contents.
* Prepares, verifies, and examines cargo ladings, oil transportation records, and export records.
* May direct boat loader i in taking samples and assist in loading and unloading oil.
* May lubricate and adjust valves, using grease gun, oilcan, and handtools.
Industry:Professional careers
A professional who tends generating equipment that processes calcium-carbide crystals and water into acetylene gas. Respnsibilities include:
* Turns valves, level gauge, and thermostat to raise and heat water to prescribed level and temperature in generator.
* Dumps specified quantity of calcium-carbide crystals into hopper, bolts in cover, and starts generator.
* Opens hopper gate and starts vibrator that sifts crystals into generator.
* Records amount of time consumed during operation and cylinder shipping data.
* May tend compressor.
* May ascertain level of acidity or alkalinity of gas with litmus paper, and test filled cylinders for leaks by brushing on chemical solution.
* May fill cylinders with compressed gas.
Industry:Professional careers
A professional who performs any combination of following tasks in establishment making compressed and liquefied gas. Respnsibilities include:
* Loads cylinders or ton containers on vehicles, using handtruck or chain hoist, and records type and quantity of cylinders.
* Examines returned cylinders for surface defects, such as dents, cracks, and burns, and rolls cylinders to designated work area.
* Removes valves and installs reconditioned valves on cylinders, using wrenches.
* Connects exhaust manifold to cylinders and turns valve to draw off residual gas.
* Bounces or hammers cylinders to loosen rust and scale, and inserts water, steam, and air nozzles and turns valves to clean and dry cylinders.
* Tests filled cylinders for leaks by brushing or spraying chemical solution around valve.
* Weighs filled cylinders on platform scale and records weight.
* Screws protection cap over valve and ties warning and identification tags on cylinder.
* Wraps cakes of dry ice in paper and stores them in icehouse.
* May clean cylinder exteriors with wire brush.
* May place cylinders on heating rack to expand gas to ensure complete removal.
* May be known according to work performed as blow-off worker; cylinder handler; cylinder valver; hoist-cylinder loader; ice handler; valve steamer.
* May be designated: cylinder checker; cylinder devalver; cylinder steamer; ton-container shipper.
Industry:Professional careers
A professional who collects samples of petroleum products from various parts of refinery for laboratory analysis, using sample container. Respnsibilities include:
* Samples contents of tank cars, processing units, stills, and pipelines by lowering sample container into contents at various depths, or by opening bleeder valves to release flow of products into container.
* Collects samples taken by other workers.
* Pours samples from containers into sample bottles and ties identification tags to bottles or marks identifying information on them.
* Delivers samples to laboratory for analysis.
* May convey messages between laboratory and processing units.
* May collect samples of other materials for laboratory analysis.
Industry:Professional careers
A professional who operates machines and equipment to dehydrate, pulverize, mix, and mold ingredients to produce fuel briquettes. Respnsibilities include:
* Shovels or empties sacks of materials into hoppers or bins, or starts elevator-conveyors.
* Turns valves, handwheels, or rheostats to move and control flow of fuels, water, and dry or liquid binders to machines.
* Starts conveyors, rotary drier, mixers, pulverizer, mixing augers, and compressing machines.
* Inspects briquettes and adjusts flow of materials to produce briquettes of specified dimensions.
* Removes and replaces broken bolts and worn shafts, using handtools.
* Lubricates machinery or directs oiling of equipment.
* May be designated according to type of briquette produced as Barbecue-Briquette-Machine Operator (fabrication, nec); Charcoal-Briquette-Machine Operator (fabrication, nec); Coal-Briquette-Machine Operator (fabrication, nec).
Industry:Professional careers
A professional who tends mixing machine, autoclave, and drier to mix, pack, solidify, and dry asbestos, dirt, charcoal, lime, water, and other ingredients to form absorbent packing for compressed acetylene gas. Respnsibilities include:
* Meters out water and powdered ingredients, and dumps them into mixer.
* Starts agitator to mix ingredients for specified period of time.
* Opens chute to transfer mixture to vibrator.
* Clamps cylinders to vibrator, and connects funnels and packing rods to cylinders.
* Starts vibrator and rods that sift and pack mixture into cylinders.
* Weighs cylinders to ascertain amount of mixture packed.
* Rolls cylinders into autoclave, and turns valve to specified pressure level to solidify packing.
* Rolls cylinders into drier, and turns thermostat to heat cylinders.
* Installs valves and safety plugs on cylinders, and places them on scale.
* Connects acetone feedlines to cylinders, using handtools, and turns valves to fill cylinders with acetone, according to specifications.
Industry:Professional careers
A professional who controls gas- or steam-heated kettles to produce various grades of lubricating grease. Respnsibilities include:
* Pours specified quantities of ingredients, such as melted fats, mineral oils, and soda or lime base, into kettle, and starts agitator to stir mixture to required consistency.
* Adjusts kettle temperature controls to form basic soap from mixture.
* Turns off heat and adds water, dye, and various mineral oils to soap in designated proportions for emulsification.
* Stirs and reheats mixture to produce grease of required texture.
Industry:Professional careers
A professional who assists still-pump operator and pumper in pumping crude, semiprocessed, and finished petroleum products, water, and chemical solutions through processing, storage, and shipping departments of refinery. Respnsibilities include:
* Turns valves and switches to start and regulate operation of pumping units.
* Turns handwheels to open and close pipeline and tankage valves to direct flow of product to destination.
* Inspects pumps, lines, and tankage valves for leaks and malfunctioning.
* Lubricates valves and pumps.
* Tightens connections, using wrenches.
* Gauges contents of tanks, using tape gauge or automatic remote-controlled gauging equipment.
* Takes temperature readings by lowering thermometer into tank.
* Draws samples of product by lowering sample container into tank or by opening bleeder valves on pipelines to draw sample.
* Loads barges and tank cars.
* May make specific gravity and color tests.
* May clean equipment.
* May use radio or telephone to communicate with pumper.
* May blend and dye gasolines, using standardized formulas, and prepare blending report.
* Performs other duties as described under helper master title.
Industry:Professional careers
