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... Trang 1236 Design of GAS-HANDLING Systems and FacilitiesTable 8-4 Properties of Solid Desiccants 51 49 50 52 45 45 Specific Heat (Btu/ib/*F) 0.24 0.25 0.24 0.24 0.22 0.25 Normal Sizes Used Xi in ... from forming It is possible to Figure 9*2 Simplified flow diagram of a refrigeration plant. Trang 12Gas Processing 247dehydrate the gas with TEG or mole sieves to the required dew point It is more ... adsorptive capacity Trang 2Gas Dehydration 237will quickly decline Special acid resistant molecular sieve desiccants are available EXAMPLE 8-2: DRY DESICCANT DESIGN The detailed design of solid bed

Ngày tải lên: 06/08/2014, 02:20

... tension with either air or gas between 150 psi and 225 psi supply pressure breakerless ignition system, 12 alloy-iron frame and top are well reinforced with cast-in ribs, 24 The engine can be fitted ... 2240.11.02.0 R 2.02.02.72,72.72.02.02.04.03.03.0 n 1 !33.3122122 Approx. bhp 4,4004409803,92019,602881903809143286 Most Likely CentrifugalHigh SpeedHigh SpeedCentrifugalCentrifugalScrewHigh SpeedHigh SpeedVaneScrewHigh ... availability of spare Trang 12Figure 10-11 Curve for estimating compression horsepower (Reprinted wirfipermission from GPSA Engineering Data Book, Wth Ed.) parts and personnel familiar with operating

Ngày tải lên: 06/08/2014, 02:20

... cylinder itself. In addition, liners enable the diameter of the piston to be varied without changing the cylinder and thus provide flexibility to respond to different conditions ... Company.} Figure 11- 12 Journal bearings allow axial and circumferential oil flow abng the bearing 29 8 Design of GAS-HANDLING Systems and Facilities film between the stationary and ... design into the compressor the capability of operating at other than the original design conditions If it is desired to provide flexibility to operate at lower suction pressures:... the piston

Ngày tải lên: 06/08/2014, 02:20

... *Reviewed for the 1999 edition by K S Chiou of Paragon Engineering Services, Inc 327 328 Design of GAS-HANDLING Systems and Facilities familiar with its general contents In particular, ... used in the ASME Code Section VIII, Division 1 for determining wall thickness: Wall thickness—cylindrical shells 3 32 Design of GAS-HANDLING Systems and Facilities Table 12- 3 Maximum ... marginal or questionable. 312 Design of GAS-HANDLING Systems and Facilities COOLING AND LUBRICATION SYSTEMS Compressor Cylinder Cooling Traditional compressor cylinder designs require

Ngày tải lên: 06/08/2014, 02:20

... UW-13(c) andFig.UW-13.1(k) Circumferential joints only, not over 54-inch thick and not over 24-in outside diameter. Longitudinal joints not over /i-in thick Circumferential joints not over %4n, thick. ... relief is needed in a vessel or piping run that is liquid-packed and can be isolated, for example pig launchers andmeter provers Liquid is subject to thermal expansion if it is heated It is also ... relief valves be installed at vari-ous locations in the production system; and API RP 520, "Design andInstallation of Pressure Relieving Systems in Refineries," recommendsvarious conditions

Ngày tải lên: 06/08/2014, 02:20

... psia Balanced-bellows 35% Capacity psig Pilot-operated 50% Capacity psia The relief piping design pressure is an additional limit to back-pres- sure. Relief piping is usually designed ... for liquid where L = maximum liquid flow, gpm a = orifice area, in .2 SG = liquid... relief system design after the platform design is complete Design changes are inevitable as a facility ... gravity of liquid... inlet flange size, and inlet piping should be as short as practiTable 13-3 Standard Orifice Areas and Designations Orifice D E F G H J K L M N P Q R T Area in .2 0.110

Ngày tải lên: 06/08/2014, 02:20

... numerous, but it is possible to minimize them.Lightning and static electricity are common ignition sources in productionfacility, especially tank vents It is not possible to anticipate the ignition by ... "hazard" of injury whilewalking down a corridor in an office The conditions leading to injury areidentified as collision with others, tripping, hit by falling object, and totalbuilding failure The ... Condition Overpressure Injury None Fire/Explosion Ignition Source Pollution Inadequate Containage Leak Fire/Explosion Ignition Source Oil Pollution Inadequate Containage Fire Tubes Fire/Explosion

Ngày tải lên: 06/08/2014, 02:20

... Quality and Mechanical Integrity of Critical Equipment Procedures for assurance of quality in the design, fabrication, tion, maintenance, testing and inspection for critical equipment arerequired ... for identifying potentialhazards which could exist in a facility, evaluating the probability andconsequence associated with the hazard, and either reducing the proba-bility or mitigating the consequence ... practices Safe Work Practices A disproportional amount of accidents occur during construction andmajor maintenance activities Safe work practices are written with this inmind and, as a minimum,

Ngày tải lên: 06/08/2014, 02:20

... designing piping containing acid gases.Velocities above 30 to 50 ft/s should be avoided in piping containing acidgases to avoid affecting the ability of corrosion inhibitors to protect themetal Special ... various operating conditions Process Liquid Flow Rates Liquid lines in production facilities are generally in either continuous or slugging service Continuous duty lines should be sized to handle theaverage ... mechanical equipment are the most difficult tochange or alter after installation 2 Piping is the next most difficult 3 Instrumentation is the least difficult Often the facility is designed with

Ngày tải lên: 06/08/2014, 02:20

... purpose of this chapter is to provide facility engineers with an under-standing of basic engine operating principles and practices as necessaryfor selection and application The reader is referred ... available on engine and turbine design for more in-depth discussion of design details ^Reviewed for the 1999 edition by Santiago Pacheco of Paragon Engineering Services, Inc. 467 Trang 8RECIPROCATING ... cylinder of a reciprocating engine: 1 Intake—Air and fuel are admitted to the cylinder, 2 Compression—The fuel and air mixture is compressed and ignited 3 Power—Combustion of the fuel results in

Ngày tải lên: 06/08/2014, 02:20

... Institute developed RP 500, "Recommended Practice for Classification of Locations for Electrical Installations at Petroleum Facilities Classified as Class I, Division 1, and Division 2. ... hydrogen and acetylene Group IIC includes both U.S and Canada Groups A and B To promote uniformity in area classifications for oil and gas drilling and producing facilities, the American ... Engineering Services, Inc. 493 494 Design of GAS-HANDLING Systems and Facilities is no existing utility power distribution, an on-site generating unit may be considered. A standby generator

Ngày tải lên: 06/08/2014, 02:20

... 72 536 500 446 419 3 92 356 329 320 27 5 24 8 21 2 J85 Identification Number Tl T2 T2A T2B... that the design of intrinsical- 524 Design of GAS-HANDLING Systems and Facilities ... Standard lighting fixtures suitable for Class I, Division 2, Group D areas... philoso- 530 Design of GAS-HANDLING Systems and Facilities Figure 17-19 Typical Class I, Division 1 lighting ... Division 1 areas must be explosion-proof Figures 17-19, 17 -20 , and 17 -21 show typical explosion-proof lighting fixtures Lighting fixtures for Division 2 locations must be either explosionproof

Ngày tải lên: 06/08/2014, 02:20

... Electrical Installations at Petroleum Facilities Classified As Class I, Division 1 and Division 2, American Society of Heating, Refrigerating and Air Conditioning neers, Inc (ASHRAE) Engi-1791 ... junction box, or fitting within 12 in of the Division 1-Division 2 or Division 2-unclassified boundary do not require a sealing fitting at the boundary. 4 Except for conduit or cable entries into ... are attractive. effi-Motor Control Center The engineer providing the initial design of major facilities is faced with the decision of providing a motor control center building or individ- ual (usually

Ngày tải lên: 06/08/2014, 02:20

... 80002 560M2 90001 620M1 (a) The first three digits of the grade designation indicate the minimum yield strength (× 100 psi), and the last two digits indicate minimum elongation (%). ... 2. 5 3.0... gray and ductile irons are dealt with in the articles "Gray Iron" and "Ductile Iron" in this Volume This article discusses abrasion-resistant chilled and white irons, high-alloy ... properties of the malleable irons listed in Tables 3 and 4. Additional information on the properties and heat treatment of ferritic, pearlitic, and martensitic malleable irons is provided in the

Ngày tải lên: 13/08/2014, 05:21

... A Probability Distribution and Its Uses in Fitting Data. Technometrics. 21(2):201-214. 10. Stoddard, James. 1995. Characterizing Kinematic Variation in Assemblies from Geometric Constraints. Master’s ... Analysis. Master’s thesis. Mechanical Engineering Department, Brigham Young University. 7. Harry, Mikel, and J.R. Lawson. 1992. Six Sigma Producibility Analysis and Process Characterization. Reading, ... should identify both the design requirements and the driving dimensions (input variables). Each design require- ment is driven by some critical subset of part dimensions. Not all part dimensions

Ngày tải lên: 21/07/2014, 15:20

... 2) 1 2 / 1 2 1 1 i i i S B k S B k T ( )( ) ( ) 1 1 1 1 1 1 1 1 i i k / k k / i i i i ASM T S B k S B k S T S T ( )( ) ( ) = 2 / 2 2 1 2 / 2 2 1 1 1 2 2 1 2 1 2 1 i i k k k i i i i ASM T S B ... ( )2 13 2 12 2 11 2 e S c S a 2 2 2 62722101869645008 64692014922779093 6272 2 )0004)( 548310()64692() 017453 ( / / da . . . . a d 004096272 2101869645008 646920149227 . . . If ... calculations as constant factors 14.9 Allocation by Cost Minimization The minimum cost allocation applies equally well to 2-D and 3-D assemblies If sensitivities are included in the derivation presented

Ngày tải lên: 21/07/2014, 15:20

... i Bi 2Ti kj j (k i + 2 ) + Bj / Tj ))+ λ ∂∂T (∑T 2 j ) 2 − T asm = 0 (i=1,…n) (i=1,…n) i (i=1,…n) Eliminating λ by expressing it in terms of T1 (arbitrarily selected): k B  Ti =  i i ... 1 / ( ki + 2 ) (k1 + 2 ) / ( ki + 2 ) T1 (14.1) Substituting for each of the Ti in the assembly tolerance sum: 2 / (ki +2 )  k i Bi  ( )( )   + T 12 k1 +2 / ki + 2 (14 .2) k ... sensitivities may be obtained numerically from an explicit assembly function, as illus- trated in Chapter 12. An alternative procedure will be demonstrated, which does not require the derivation

Ngày tải lên: 21/07/2014, 15:20

... Figure 13.3 shows the read/write timings including waits. If the WAIT input is at low level at the trailing edge of T2, the CPU inserts a wait state to slow reading/writing. When the WAIT input ... 4Mbit capacity and 524 288 word ì 8 bit configuration. Figure 13.6 shows the pin assignment. Figure 13.6: NH27C4001G Pin Assignment Diagram There are 19 address input pins, A0 to A18.Since ... signal is used for reading by the CPU. During reading, data are always handled as 16 bits without distinguishing between 8- and 16-bit data. Sixteen bits are read even if the MOV.B instruction...

Ngày tải lên: 29/09/2013, 11:20

... Kong British French American Swiss German Chinese Singaporean Canadian Nationalities growing in importance Chinese Indian Brazilian Malaysian Norwegian Kazakhstani UAE Australian Indonesian Turkish Nationalities ... US city that has a population of more than five million (8 .2 million in 20 10). This raft of second and third-tier cities is likely to become increasingly influential, says Jim Rogers, a US investor ... Knight Frank and Citi Private Bank by Think Publishing FOR KNIGHT FRANK Editor-in-Chief: Andrew Shirley Executive Publisher: Victoria Kinnard Assistant Editor: Vicki Shiel Marketing: Rebecca Maher...

Ngày tải lên: 16/02/2014, 11:20