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U.S. Department of Labor
Domeniu: Government; Labor
Number of terms: 77176
Number of blossaries: 0
Company Profile:
A professional who feeds wood chips and soda ash or acid into digester that processes wood chips into pulp. Respnsibilities include: * Unbolts and removes digester cover, using wrench and chain hoist. * Lowers feed pipe into digester, using hoist, and pushes button or turns handwheel to load digester with wood chips. * Pushes control panel button or turns valve to admit specified quantities of soda ash or acid into digester. * Replaces and bolts cover. * May remove cover and blow steam from digester at completion of cooking cycle. * May tend conveyors that convey chips to hopper or cooked pulp to storage bins. * May open valves to blow cooked pulp into pit. * May pull lever to dump cooked pulp from rotary digester. * May draw and deliver pulp sample to laboratory for analysis.
Industry:Professional careers
A professional who dumps paper cones treated with solution of turpentine and beeswax into drying cabinet and starts fan. * Rakes cones from cabinet after specified drying time.
Industry:Professional careers
A professional who dries phonograph labels in oven for use by record-press section. Respnsibilities include: * Obtains specified labels from stock and spreads them on drying racks of oven. * Turns dial of automatic timer to start drying cycle. * Removes dried labels from racks and separates labels by title. * Stacks labels on warming plates near record presses, according to production schedule. * Collects, sorts, and returns unused labels to storage at end of shift.
Industry:Professional careers
A professional who controls equipment to bleach pulp. Respnsibilities include: * Starts pumps and adjusts controls to regulate flow of pulp to chlorination towers, bleaching and soaking tanks, and pulp washers, according to specified bleaching sequence. * Opens valves to allow metered flow of such chemicals as liquid and gaseous chlorine, sulfur dioxide gas, caustic soda, hypochlorite, and peroxide into pulp, according to bleaching specifications. * Starts agitators to mix pulp and chemicals. * Tends cylinder washers to wash soluble impurities and excess bleach from pulp after each bleaching operation. * Adjusts controls to ensure that pulp bleaching meets specifications, according to laboratory test reports. * Starts equipment to pump bleached pulp to storage. * May make titration tests. * May test whiteness of pulp, using reflectance meter. May tend decker machines that thicken pulp. * May be designated according to pulp-making process as Bleacher, Groundwood Pulp (paper & pulp); Bleacher, Kraft Pulp (paper & pulp); Bleacher, Sulfite Pulp (paper & pulp).
Industry:Professional careers
A professional who tends blow pits that wash pulp to remove cooking acid. Respnsibilities include: * Covers blow pit floor with specified amount of water, using hose, and clamps shut doors and hatches to prepare blow pit for receiving cooked pulp. * Turns wheel, as signaled by digester operator, to open digester outlet valve and blow cooked pulp under pressure into blow pit. * Opens valve to drain spent cooking liquor and water from pulp in blow pit. * Opens water faucet or sprays pulp with water from high-pressure hose to wash cooking liquor from pulp and flush pulp from blow pit into receiving chests. * Dips pulp sample from pit for testing in laboratory.
Industry:Professional careers
A professional who operates decker or rotary filter machines to remove water from pulp stock and reduce stock to specified consistency for bleaching or beating. Respnsibilities include: * Turns valves to regulate flow of pulp stock into machine vat. * Starts machine and adjusts controls to regulate speed of cylindrical screen in vat. * Turns valve to adjust suction in cylinder to deposit pulp on screen at specified rate and remove white water through meshes of screen. * Turns handwheels or pulls lever to adjust press roll against screen to obtain pulp of specified consistency. * Pulls lever to adjust blade that scrapes pulp from screen into storage chest. * May tend flat or rotary screens to remove coarse fibers from pulp.
Industry:Professional careers
A professional who operates decker or rotary filter machines to remove water from pulp stock and reduce stock to specified consistency for bleaching or beating. Respnsibilities include: * Turns valves to regulate flow of pulp stock into machine vat. * Starts machine and adjusts controls to regulate speed of cylindrical screen in vat. * Turns valve to adjust suction in cylinder to deposit pulp on screen at specified rate and remove white water through meshes of screen. * Turns handwheels or pulls lever to adjust press roll against screen to obtain pulp of specified consistency. * Pulls lever to adjust blade that scrapes pulp from screen into storage chest. * May tend flat or rotary screens to remove coarse fibers from pulp.
Industry:Professional careers
A professional who tends rotary bleach boiler that cleans and bleaches rags used in making paper. Respnsibilities include: * Charges boiler with rags, chemicals, and water. * Fastens boiler cover, starts rotary motor, and turns steam valves to clean and bleach rags in boiler for specified length of time. * Opens valves to reduce steam pressure and drain liquid from boiler. * May pack boiler with alternate layers of rags and dry chemicals. * May mix chemicals.
Industry:Professional careers
A professional who tends machines that wash cooking liquor from pulp. Respnsibilities include: * Starts machines and pumps, and turns valves to regulate spray from water jets and flow of pulp through washer to remove cooking liquor. * Opens drains to dispose of wash water or transfer wash water to recovery storage tank. * May tend flat or centrifugal screens that remove knots or uncooked chips from pulp.
Industry:Professional careers
A professional who tends machine that salvages woodpulp suspended in white water. Respnsibilities include: * Opens valves or starts pumps to regulate flow of white water and glue size into vat causing pulp to flocculate (form fluffy mass) for easier removal. * Starts cylinder of machine revolving to remove pulp from water. * Turns valve to adjust vacuum in cylinder to remove water from pulp deposited on screen. * Pulls levers to adjust blade that scrapes pulp from cylinder into receiving chest. * Starts pumps to transport recovered pulp and residue of white water containing fillers, dyes, and chemicals to storage chests. * Cleans machine and pipelines with brushes and chemical solution.
Industry:Professional careers