Theunis Christoffel Robberts's Food plant engineering systems PDF

By Theunis Christoffel Robberts

Pumps. Boilers. strength transmission. Water therapy. Waste disposal. effective lighting fixtures. keep them, and you can adventure optimum functionality. forget about them, and the procedure will cave in. whereas many texts effectively describe the processing strains utilized in nutrients production, none tackle the significance of the ancillary apparatus that enables the plant to function. nutrition Plant Engineering platforms fills this hole through targeting those the most important yet usually forgotten elements of the system.With transparent, easy-to-understand language, this ebook information the bits and items that continue structures operating and explains how they healthy in the larger picture:·Properties of fluids·Pumps and piping·Electrical structures together with vehicles, starters, electric heating and lights·Steam new release and heating systems·Cooling and refrigeration systems·Water and waste and fabric dealing with systems·Food plant layout, together with web site, foundations, flooring, partitions roofs, drains, and insulation·Safety and EPA rules Getting all of the devices to interact as a well-orchestrated procedure is what production layout and administration are all approximately. This publication offers the 1st actually entire examine foodstuff plant operation. nutrients Plant Engineering structures guarantees that each one parts of the approach are adequately balanced to successfully accomplish the task.

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2. How much water is removed when 100 kg of a solution containing 11% (m/m) total solids have to be concentrated to produce a liquid containing 35% (m/m) total solids? 3. While making ketchup, the tomato concentrate flows through a pipeline at 50 kg/min. At what rate must a 23% (m/m) solution of salt be added to ensure 3% salt in the final product? 4. A brewer’s spent grain contains 80% (m/m) moisture. When the grain has lost half of its weight, what is the moisture content? 5. Calculate the quantity of dry air required to dry 50 tons of food from 19 to 11% moisture.

2453 m 2 / s 2  © 2002 by CRC Press LLC TX69698_frame_C03 Page 48 Thursday, April 4, 2002 3:48 PM 48 Food Plant Engineering Systems Changing the pipe diameter will cause different frictional losses. With lower frictional losses, the pumping costs will be reduced, but the pipe cost will increase. By doing the calculations, one will be able to compare the one-time installation cost with the continual running cost. 2 Fittings in Pipes Nearly all fittings and irregularities in pipes cause energy loss.

6). Laminar flow is associated with low velocities and viscous sluggish fluids. In pipeline and open channel hydraulics, the velocities are nearly always sufficiently high to ensure turbulent flow, although a thin laminar layer persists in proximity to a solid boundary. The laws of laminar flow are fully understood, and for simple boundary conditions, the velocity distribution can be analyzed mathematically. Due to its irregular pulsating nature, turbulent flow has defied rigorous mathematical treatment.

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