We are also the inventors of the ezstrip family of products which provide a maintaininplace solution for the maintenance of. L geometry when compared to conventional geometry designs, the rotor. The nemo sy progressing cavity pump is used for demanding applications in every branch of industry around the globe. Progressive cavity pumps and pump parts liberty process. Design, evaluate and analyze pc pump helps you design pumping systems for the most complex well conditions and operating environments. Seepex btex range progressive cavity pumps with their robust design and reinforced components are used in extreme applications in the agriculture and biogas industries. Operating and assembly instruction progressive cavity pump. A progressive cavity pump is a type of positive displacement pump and is also known as a progressing cavity pump, progg cavity pump, eccentric screw pump or cavity pump. The allweiler optifix progressing cavity pumps were designed to make maintenance faster, less frequent and simpler than ever. Pdf the progressing cavity pc pump is well established as the pump of choice for handling abrasive solids. Progressive cavity pump, production engineering 1, artificial life method. Excel fluid group offers netzsch nemo progressive cavity pumps. The similarity between other pumps and progressive cavity pumps generally ends there. Progressive cavities, like all slurry pumps, have finite lives.
Progressive cavity pumps pcps are a special type of rotary positive. The main components of a progressive cavity pump are the rotor and stator, which together. Liberty ll3 progressive cavity adhesives pump from liberty. He was inventing a compressor for a jet engines and discovered that the same principle could have worked as a pump as well. The flowrox eseries progressive cavity pumps were conceived by utilizing flowroxs extensive experience in progressing cavity pump service and spare parts production as well as the knowledge gained from our innovative peristaltic pump range. Easy to install with its standardized connections, you can use flygt progressing cavity pumps in existing sumps and in xylems prefabricated flygt pump stations. The pump design, bearing assembly, type of shaft seal, and the material. A progressive cavity pump pcp is a positive displacement pump and has been used as an artificial lift method in the oil and gas industry for pumping fluid with solid content and high viscosity. We recommend reading this manual and keeping it for future reference in a safe place near the pump itself. Progressive cavity pump the appertaining operating instruction includes important safety advices and. Huge productivity gain with maximum preservation of a sensitive dairy product. The pcp has been the pumping system most widely used in this application, since these pumps have demonstrated higher mechanical efficiency than rotodynamic pumping systems called electrosubmergible pumps esps. Progressive cavity pump, eseries spiral stator enables higher pressure per stage 23lobe elliptic rotor enables higher flow rate 01.
The rotor forms a single helix like a corkscrew and rotates eccentrically in the stator. The design and construction of progressing cavity pumps per mits them to pump virtually any fluid from clean, low viscosity fluids like oil or water, to delicate. Highest pump efficiency to provide unmatched performance in high solids transfer lframe pumps reliable and proven pin joint design for a variety of applications epsilonvertical high engineered progressing cavity pumps designed to withstand viscous, abrasive, or. Whether for sludge, chemical substances, adhesives, petroleum or yogurt, we can meet your requirements with the proper combination from our selection of eleven netzsch pump types, four rotorstator geometries and our. Figure 1 progressing cavity pump is a single helical rotor rolling eccentrically in a double threaded helix of twice the pitch length design and development an excellent case history is when progressing cavity pumps first entered the waste treatment field approximately 20 years ago, the design and application was such. Vertical installation with the motor down is not permitted. In this paper, the threedimensional vector theory and the theory of hypocycloid were used to give a new modeling insight into the design and performance of pcps. Dec 26, 2020 download design of progressive cavity pump wells. The progressing cavity pc pump is well established as the pump of choice for handling abrasive solids.
And due to its design it can be installed right under the destemmer. Check the required head h1 with the lift capacity of the pump. Wangen pumpen progressing cavity pumps and twin screw pumps. Gas content at pump intake,% not more than 50 h 2 s content, %, not more than 6 fluid temperature, c, not more than the following design types of submersible progressive cavity pumps are available. Modeling the design and performance of progressing cavity. Progressive cavity an overview sciencedirect topics.
R004 recommended practice progressing cavity pump inspection and reporting version 1. Pedro gonzalez is a staff member and understanding the. Seepex is a leading worldwide specialist in pump technology. The progressive cavity pump is a positive displacement system that is extremely flexible in its usability.
Specifically, a new design model and procedure of pcps was developed and. Progressive cavity pumps lend themselves well to broad ranges of moderate discharge pressures, flow rates less than 100 gpm, and slurry percentages. Nov manufactures mono progressing cavity pumps and pump parts and has a wide product range suitable for the pumping of fluids within the waste water, chemical, food, beverage, paper, mining, mineral processing, marine, agricultural and oil and gas sectors. Simplest models for pcp design, firstly presented by moineau 1930, are.
Make pump retrieval interventions as painless as possible weatherford insertable progressing cavity pump ipcp systems use the rod string to install and remove the ipcp unit from the well. Maintenance and troubleshooting of progressing cavity pumps. Progressive cavity pump, eseries technical data sheet. Progressive cavity pump free download as powerpoint presentation.
Initially, progressive cavity pumps were designed for sewage sludge services. Pcp was discovered by rene moineau, a pioneer in aviation in late 1920s. Chapter 5 design and validation on the simulated inservice wear test rig. Advantages bellin progressive cavity pumps have many advantages over.
The other names for psp are screw pumps or moineau pump or cavity pump. The pumped liquid does not change in shape or size when pumped due to the tightly sealed cavities formed between the rotor and stator. This eliminates the need to pull and rerun the production tubing, which greatly reduces the downtime and cost associated with the following interventions. When it comes to the maintenance of progressing cavity pumps, every second counts and costs. The standard progressive cavity pump can be used in almost all applications and conveys thin to highly viscous media with or without solids. Each individual design is optimised to suit the specific application requirements, to guarantee best performance, prolonged lifetime and reliability. Shaft seals verderpro progressing cavity pumps have a wide range of. Optimal design of progressing cavity pumpspcp request pdf. Progressing cavity pump systems nov mono is a leader in the design, manufacture and supply of progressing cavity pumps pc pumps and artificial lift solutions worldwide.
Positive displacement progressive cavity type pumps are the most commonly used type of pump used for slurry services in both upstream and downstream operations. Functioning and maintenance manual progressing cavity pumps. Progressing cavity pumps pcp oil well pumps schlumberger. The dosing progressive cavity pump with integrated control is our intelligent solution for metering tasks. Design of progressive cavity pump wells desheng zhou, spe, h. The compact and robust design of the kiber nte progressive cavity pump makes it ideal for transferring whole or destemmed grapes. Progressive cavity pump supplier kiber nte inoxpa pumps. For over 25 years, liberty process equipment has been the leader in the field of economically priced progressive cavity pumps and progressive cavity pump replacement parts in north america liberty specializes in progressive cavity pumps for industry. Highest pump efficiency to provide unmatched performance in high solids transfer lframe pumps reliable and proven pin joint design for a variety of applications epsilonvertical high engineered progressing cavity pumps designed to withstand viscous, abrasive, or corrosive applications. The meshing of the two gears forms a cavity, which progresses along the axis of the assembly as the rotor is. This thesis presents tools to design progressive cavity pumps pcps, with an emphasis on lowviscosity fluids. Completely renewed mechanics to increase the performance with a new aggressive design.
Rotor stator the capacity of the pump is determined by the size of the cavity formed when the rotor is placed in. The pumps are available with conveying systems in four different rotorstator geometries, which means the pump can be configured specifically for your application. Wangen pumpen progressing cavity pumps and twin screw. We provide unequaled technical expertise to deliver purposebuilt pcp solutions for your specific application.
The use of progressing cavity pumps pcps in downhole pumping applications. Spe 1324 design of progressive cavity pump wells onepetro. Nov mono is a leader in the design, manufacture and supply of progressing cavity pumps pc pumps and artificial lift solutions worldwide. Due to the steady non turbulent flow they can also handle shear sensitive products and medium with solids content without breaking up the solids. We have used design measures and applied safety technology to minimise the risk to the health of people posed by this danger. It does not address inspections of other components of a progressing cavity pumping system such as. Contents design uses for progressing cavity pumps pump protection maintenance whats new. Pc pump design can be optimized to achieve the best wear performance available for a given. The ll3 series progressive cavity pump stators come in a wide variety of elastomer materials depending on your application such as buna nitrile, natural rubber, epdm and viton for long usage. Our progressive cavity pumps, macerators and control systems are used wherever low to highly viscous, aggressive or abrasive media must be conveyed at low pulsation rates.
Of all the types of pumps available, progressive cavity pumps are able to handle a wider range of fluid viscosities and properties than any other type of pump. Design of progressive cavity pump wells spe progressing. Figure 4 the stator of a cavities, you increase the pump. No other software is capable of providing the level of detailed and indepth analysis. Progressing cavity pumps have similar characteristics of a piston pump, such as sealed cavities and operational similarities such as. The progressive cavity pump is a positive displacement system that is extremely flexible in its usability in a variety of specialized fields with difficult pumping applications such as viscous and highlyabrasive media. One stage stator with long peach geometry to improve the performance. The ultracav system is a rugged and reliable high head progressive cavity pump.
Design tools and mechanisms for progressive cavity pumps. The design and applications, as well as troubleshooting, are discussed for each method, and examples, exercises and design projects are provided in order to. The standard seal design option for the ll3 series is a set of gland packing with lantern ring and flush connections. These positive displacement pumps are engineered to deliver variable rates and constant head capable of handling various types of applications with superior sandlifting capability. No removal of casings from mobile parts the pump must not be started before placing and fixing the casing of driving unit. Sense of rotation the sense of rotation of the pump is counterclockwise ccw looking from the drive. Offering breakthrough features like a patented zero play stub shaft connection and a highquality joint construction, this pump can.
Allweiler supplies various pump types for horizontal, vertical and wet well installations. Design positive displacement pump displaces a defined volume per stroke, cycle, or revolution general types of. The design and applications, as well as troubleshooting, are discussed for each method, and examples, exercises and design projects are provided in order to support the concepts discussed in each chapter. A clear case for the seepex btcs open hopper pump with special design. The unique design of the pump makes them useful for a variety of pumping applications, such as.
In these applications, the conveyed products can contain solids like stones, pieces of wood or metal parts. Maurice stewart, in surface production operations, 2019. The progressing cavity pump design consists of a single external threaded helical gear rotor that rotates eccentrically inside a double internal threaded helical gear stator of the same minor diameter and twice the pitch length. Design positive displacement pump displaces a defined volume per stroke, cycle, or revolution general types of positive displacement pumps rotary progressing cavity gear internalexternal lobe screw peristaltic recipricating piston diaphragm. How progressing cavity pumps work continental ultra pump. Flygt progressing cavity pumps are made of cast iron. Progressive cavity pumps are heavy duty pumps and they can be used to pump abrasives sludges,viscous products,oils,emulsions etc. The progressing cavity pump and its geometry a progressing cavity pc pump, or a single screw pump, is a positive displacement pump and therefore a fixed volume is displaced with each revolution of the pump s rotor.
The result is a robust pump that will last for many years. Analytical model for the flow in progressing cavity pump with. Scope this recommended practice addresses inspections of progressing cavity pumps. The progressing cavity pump is a helical gear pump consisting of an internal gear with a double thread stator and an external gear with a single thread rotor. Pdf progressing cavity pumps download full ebooks for free.
Pdf design of progressive cavity pump wells free download pdf. Liberty specializes in progressive cavity pumps for industry. Depending on pump size and execution, speed and liquid pumped installation tecflow pumps can be installed horizontally or vertically. Production rate design obtain the differential pressure across the pump from the calculated inflow and outflow pressure profile, and change the differential pressure to head h1 by using the average fluid density through the pump. Apr 27, 2008 progressive cavity pumps pcps are a special type of rotary positive displacement pumps. Progressive cavity pumps in block design tecflow series. Nova rotors presents its new range of progressing cavity pumps called the diamond series. Simplify production for wells characterized by highly viscous fluid and high sand cut with progressing cavity pumps pcps. Because of the single rotating element, progressing cavities are generated.
New approach to progressive cavity pumping and design. Pump service without removing the pump from the system the nemo progressing cavity pump in fsip design is available in the sizes nm 045 to nm 105 for flow rates from 2 to 200 m. This webinar goes over the design and maintenance consideration when specifying and repairing progressive cavity pumps, and a new and innovative approach to. Introduction about pcp special type of rotary positive displacement pump flow through the pump is almost axial advantages of pcps lower investment broader applications to fluid mixtures. In bearing block design with free shaft extension, this pump can be run with any type of drive, such as servo motors, diesel motors or hydraulic drives. Single electric submersible progressive cavity pump eovnb series, twinopposed electric submersible progressive cavity pump. Progressing cavity pump systems weatherford international. When requesting information, replacement parts or assistance, always specify the pump type and serial number indicated. Pcp was first introduced in petroleum engineering as an artificial lift method in 1970s, and is becoming a popular lift tool for its advantages of broader applications, less maintenance, and higher efficiency. This leads to the volumetric flow rate being proportional to the rotation rate.
The progressing cavity pump pcp figure 2 is one of the three pumping systems used in extraction of highly viscous crude oil. The reason progressing cavity pump pcp customers stay with weatherford is simpleour pcp systems consistently exceed expectations. Pc pump allows you to be confident in your decisions. Pdf on mar 1, 1997, majid delpassand published progressing cavity pc pump design optimization for abrasive applications find, read. With over 75 years of experience, 8 international sites and global distribution network, we provide a range of pc pump solutions that fulfill many oilfield production needs. Close coupledblock type progressing cavity pumps allweiler close coupledblock style progressing cavity pumps provide a space saving economical design for commercial, industrial, water and wastewater treatmentindustries. Nemo progressing cavity pumps have a very broad application range and are used in all branches of industry for the continuous, pressurestable, gentle and lowpulsation conveyance of almost any substance. It transfers fluid by means of the progress, through the pump, of a sequence of small, fixed shape, discrete cavities, as its rotor is turned. They are not designed for the oil and gas industries.
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