centrifugal pumps and hydro power
centrifugal pumps for petroleum, heavy duty chemical, and gas industry services
Ngày tải lên :
02/04/2014, 15:32
... radialthrust and and bearing Thrust spxd and life within limits for rolling element bearings and radial Hydrodynamic and Pump energy density below limit or Radial bearing and thrust speed or life Hydrodynamic ... supporting structure, handling during - A P I STD*blO 95 W 0732290 0546325 760 W CENTRIFUGAL PUMPS FOR PETROLEUM, HEAVY DUTY CHEMICAL,GAS INDUSTRY AND SERVICES shipment, and handling and assembly at ... Forces and Moments 2.4.1 Steel and alloy steel horizontal pumps, and their baseplates, and vertically suspended pumps shall be designed for satisfactory performance when subjected to the forces and...
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Know and Understand Centrifugal Pumps potx
Ngày tải lên :
27/06/2014, 17:20
... displacement pumps Centrifugal pumps Conceptual difference Centrifugal volute pumps Types of centrifugal pumps Overhung impeller Impeller between the bearings Turbine pumps Specific duty pumps The ... Bachus, Larry Know and understand centrifugal pumps 1 .Centrifugal pumps I.Title II.Custodio, Angel 62 1.6’7 ISBN 1856174093 N o responsibility is assumed by the Publisher for any injury and/ or damage ... Know and Understand Cent r ifuga I Pumps Know and Understand Centr ifuga I Pumps by Larry Bachus and Angel Custodio ELSEVIER UK USA JAPAN Elsevier...
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Know and Understand Centrifugal Pumps Episode 1 pps
Ngày tải lên :
13/08/2014, 09:21
... displacement pumps Centrifugal pumps Conceptual difference Centrifugal volute pumps Types of centrifugal pumps Overhung impeller Impeller between the bearings Turbine pumps Specific duty pumps The ... Bachus, Larry Know and understand centrifugal pumps 1 .Centrifugal pumps I.Title II.Custodio, Angel 62 1.6’7 ISBN 1856174093 N o responsibility is assumed by the Publisher for any injury and/ or damage ... Know and Understand Cent r ifuga I Pumps Know and Understand Centr ifuga I Pumps by Larry Bachus and Angel Custodio ELSEVIER UK USA JAPAN Elsevier...
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Know and Understand Centrifugal Pumps Episode 2 pdf
Ngày tải lên :
13/08/2014, 09:21
... For example PVC pipe, and food grade Stainless, is rather slick on the ID This reduces Hf 21 Know and Understand Centrifugal Pumps Reduce the losses (Hf) of the connections and fittings in the ... head (Hf) and velocity head (Hf), which are frictions and other resistances in the piping system These heads are discussed in Chapter The head formula is the following: Know and Understand Centrifugal ... similar test by closing a suction valve on a test pump and other manufacturers lower the suction elevation Know and Understand Centrifugal Pumps The definition of NPSHr may change in the future...
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Know and Understand Centrifugal Pumps Episode 3 potx
Ngày tải lên :
13/08/2014, 09:21
... Vertical pumps w Lift pumps and pumps in suction lift conditions w Pumps in vacuum w Pumps operating to the right of their best efficiency point (BEP) This is explained in Chapters and Turbulence ... ‘mitered 90” elbows’ and short radius elbows into long radius elbows Keep suction pipe inside diameters clean and scale free 35 Know and Understand Centrifugal Pumps Change filters and strainers with ... VFDs work well on most PD pumps, and also centrifugal pumps performing a flow service Remember that some centrifugal pumps are required to comply with head, pressure and elevation applications...
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Know and Understand Centrifugal Pumps Episode 4 ppt
Ngày tải lên :
13/08/2014, 09:21
... turbines, and even jet and rocket engines are rated in Horsepower, and not Ostrich power or Iguana power We say that the motor generates horsepower (HP), and that the pump consumes brake horsepower ... observe that there are more centrifugal pumps About 90% of the pumps in industry are centrifugal pumps And the PD pumps found in industry have much in common with their centrifugal sisters They ... process industries like chemical and pharmaceutical production, potable water, wastewater, edible products, and manu- Know and Understand Centrifugal Pumps Theoretical Centrifugal Pump H-Q Curve -...
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Know and Understand Centrifugal Pumps Episode 5 pps
Ngày tải lên :
13/08/2014, 09:21
... most impellers and pumps Values at 1,000 and 20,000 are on the outer fringes Most pumps register an Nss between 7,000 and 14,000 on a relative scale that is easily understood and comparable t ... tolerances are tight at the eye and the housing, and there is no room for suspended solids, crystals or sediment, see Figure 6-18 Know and Understand Centrifugal Pumps Figure 6-18 ~ ~- _ Solid ... manufacturers and the pump users They use different terminology Pump users, the operators and mechanics, use pressure gauges that read in psi, pounds per square 77 w Know and Understand Centrifugal Pumps...
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Know and Understand Centrifugal Pumps Episode 6 potx
Ngày tải lên :
13/08/2014, 09:21
... chapter, and this book, we suggest that you immediately locate and begin using your pump curves with suction and discharge gauges on your pumps Get the model and serial number from your pumps, and ... maintenance engineer and mechanic, the design engineer and purchasing agent The family curves present the entire performance picture of a pump Know and Understand Centrifugal Pumps The family curve ... 4.6 15 3.0 10 1.5 0 n I m Know and Understand Centrifugal Pumps Figure 7-13 ~- ~~ -~ ~ Next, consider this family curve for a centrifugal pump used in the pulp and papermaking industry (Figure...
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Know and Understand Centrifugal Pumps Episode 7 docx
Ngày tải lên :
13/08/2014, 09:21
... Know and Understand Centrifugal Pumps liquid from a common system, and discharging the liquid into the same common system Two pumps running in parallel offer twice the flow at the same head Pumps ... with the new filter, and slowly over time, move toward the left crossing the BEP as the filter screen clogs (Figure 8-21 and Figure 8-22) Know and Understand Centrifugal Pumps H FEET SECONDARY ... Consider the following graphs (Figures 8-18 and 8-19) Know and Understand Centrifugal Pumps Figure 8-18 a As mentioned earlier, the system curve with the clean and dirty filters should coincide within...
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Know and Understand Centrifugal Pumps Episode 8 ppsx
Ngày tải lên :
13/08/2014, 09:21
... (Figure 9-6 and Figure 9-7, next page) A - Impeller OD B -Wear Band C - Restriction Bushing D Seal Posterior A - h B - / STRICT TOLERANCE Figure 9-5 ~~~ ~ _ ~ _ Know and Understand Centrifugal Pumps ... (remember that seals and bearings are the principal reason that pumps go into the shop) these problems normally originate from one of three sources: Know and Understand Centrifugal Pumps H Problems ... mechanical seal and bearings 135 Know and Understand Centrifugal Pumps Rarely design engineers request the L/D factor in their quotes Some engineers don’t know they have the option Most pumps are...
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Know and Understand Centrifugal Pumps Episode 9 doc
Ngày tải lên :
13/08/2014, 09:21
... to the motor base to determine the adjustments required, and the spacing shims under each foot Know and Understand Centrifugal Pumps Rim and face alignment This method is most useful when only ... varies according to its size and weight It should have enough free adjacent space to perform maintenance, alignment and proper cooling 147 Know and Understand Centrifugal Pumps The grout should be ... These bearings have two rows o f balls and can handle 50% more radial load than the Conrad type bearing Alignment is critical 155 Know and Understand Centrifugal Pumps TYPE DESCRIPTION Ball Bearing...
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Know and Understand Centrifugal Pumps Episode 10 pot
Ngày tải lên :
13/08/2014, 09:21
... 173 Know and Understand Centrifugal Pumps and space of the complicated camshaft mechanisms and gears were eliminated O n land, the electric motor opened the door to the first practical centrifugal ... Rayon, Teflon, Fiberglass, Carbon 175 Know and Understand Centrifugal Pumps PACKING LUBRICATIONI FLUSH I COOLING PORT R GLAND FOLLOWER h GLAND STUDS AND NUTS and Aramid Some packings have metallic ... many gland adjustments will cause the packing to crystallize and burn, which will shorten the packings’ useful life and damage the shap or pump sleeve 177 Know and Understand Centrifugal Pumps...
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Know and Understand Centrifugal Pumps Episode 11 pps
Ngày tải lên :
13/08/2014, 09:21
... 185 Know and Understand Centrifugal Pumps The single, outside-mounted, unbalanced seal This type of seal has the rotary component and face mounted outside the seal chamber The springs and drive ... 187 Know and Understand Centrifugal Pumps 4.New materials - As soon as a new elastomer compound is developed, it becomes available and produced in the O-ring form Examples are ‘Kalraz’, and ‘Zalak’ ... cartridge designs incorporate ports and hardware for connecting environmental controls such as: - Flush - Quench and Drain Know and Understand Centrifugal Pumps - Disaster Bushings for API compliance...
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Know and Understand Centrifugal Pumps Episode 12 pdf
Ngày tải lên :
13/08/2014, 09:21
... seals, and all instrumentation, connections and fittings You must know the temperature limits (upper and lower) and the chemicals they are compatible with Know and Understand Centrifugal Pumps ... quench and drain The Quench and Drain control is good for removing heat without contaminating or diluting the pumped product Fiqure 14-18 The auench and drain 217 Know and Understand Centrifugal Pumps ... organic and inorganic liquids and gases and aggressive chemicals This material finds popularity in chemical processing and pharmaceutical plants, and wherever the temperature of the application demands...
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Know and Understand Centrifugal Pumps Episode 13 ppsx
Ngày tải lên :
13/08/2014, 09:21
... piping, TDH, system curves and mating the pump curve to the system curve, the affinity laws, cavitation, horsepower and efficiency are as applicable to PD pumps as centrifugal pumps So in this chapter ... column and the probable cause/suggested remedy in the right column As you go through the list, you’ll see again that PD pumps and centrifugal pumps have a lot in common Enjoy SYMPTOMS AND CAUSES ... elbow.) Short radius elbows cause vibrations and pressure imbalances that to lead to wear and maintenance on the pump 235 Know and Understand Centrifugal Pumps SUCTION BEARING DOUBLE SUCTION MOTOR...
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Know and Understand Centrifugal Pumps Episode 14 ppt
Ngày tải lên :
13/08/2014, 09:21
... nozzle, you should have 60 inches of straight pipe before the first elbow 245 Know and Understand Centrifugal Pumps INCORRECT "J Concentric reducer - CORRECT Figure 17-17 Use an eccentric pipe ... failure, 204 ozone attack, 209 packing lubricant, 178 graphite, 178 mica 178 249 Know and Understand Centrifugal Pumps molybdenum disulfide (moly grease), 178 Pascal’s Law, perfluorocarbon, 206 pipe ... breakers, 239 water horsepower (WHp), 45 Watt, James 44 wear bands, 72 wear rings, 48,233 zerk (zirk) fitting, 163 ps are made up o f several components and are ex,, trifugal pumps for many s has...
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Ebook Centrifugal pumps Design operation and maintenance Part 1
Ngày tải lên :
19/05/2017, 08:33
... and axial flow pumps 1.2.3 Other types The other types include electromagnetic pumps, jet pumps, gas lift pumps, and hydraulic ram pumps 1.3 Reciprocating pumps Reciprocating pumps are positive ... Practical Centrifugal Pumps Figure 1.24 Magnetic drive pump 1.5.2 Pump standards In order to bring about uniformity and minimum standards of design and dimensional specifications for centrifugal pumps, ... Alweiller pumps 1.5 Centrifugal pumps The centrifugal pumps are by far the most commonly used of the pump types Among all the installed pumps in a typical petroleum plant, almost 80–90% are centrifugal...
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Ebook Centrifugal pumps Design operation and maintenance Part 2
Ngày tải lên :
19/05/2017, 08:33
... requirements and guidelines are as follows: • Inspection and testing requirements are based on – ANSI B73.1M: Horizontal Centrifugal Pumps – ANSI B73.2M: Vertical Centrifugal Pumps – API 610 – 9th Ed.: Centrifugal ... 30 as per API 610 ANSI standard specifies 10 and the Hydraulic Institute Standard specifies for pumps less than 100 HP and 10 for pumps more than 100 HP A failure of a hydrotest due to leaks from ... the bid inquiry Not all pump standards specify a mandatory performance test ANSI B73.1M and B73.2M specifications for horizontal and vertical centrifugal pumps not mandate hydraulic or mechanical...
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Volume 6 hydro power 6 03 – management of hydropower impacts through construction and operation
Ngày tải lên :
30/12/2017, 18:13
... capture and regulate 100% of the flow Consequently, some types of routing Management of Hydropower Impacts through Construction and Operation Table 75 Current hydropower 80% depletion date Region Hydropower ... non-hydropower dams, as it is mainly necessary to maintain the head for power generation and to provide a storage capacity sufficient to meet all expected demands for power It is expected that hydropower ... river and progression of the turbidity front during the filling of the reservoir 85 86 Constraints of Hydropower Development Figure 27 Landslides in a sandy bank Figure 28 Landslides in a sandy...
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