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direct tv user guideThe units are designed to handle a wide range of particles with diameters from 5 mm to a few microns.Together with our industry know-how and specialist process experience from all over the world, Alfa Laval can match your exact needs for each particular application and installation. Rotating this entire unit rapidly means that the effect of gravity is replaced by a controllable centrifugal force that can have an effect up to 10,000 times greater. Decanter centrifuges are generally used for greater solids concentrations with larger particle sizes. Disc stack separators, on the other hand, are ideal for a wide range of separation tasks that involve lower solids concentrations and smaller particle and droplet sizes. Subject to centrifugal forces, the denser solid particles are pressed outwards against a rotating bowl wall, while the less dense liquid phase forms a concentric inner layer in a decanter centrifuge. The sediment formed by the solid particles is continuously removed by the screw conveyor, which rotates at a different speed than the bowl. As a result, the solids are gradually “ploughed” out of the pond and up the conical “beach”. The dried solids then discharge from the bowl. The clarified liquid phase or phases overflow the dam plates situated at the opposite end of the bowl. Baffles within the centrifuge casing direct the separated phases into the correct flow path and prevent any risk of cross-contamination. Traditionally, many businesses use a clarifier or settling tank, in which particles, sediment and solids gradually fall to the bottom due to the force of gravity. However, such clarification is an extremely slow process with not so controllable results. Solid-liquid separation can also be easily controlled by adjusting the speed of rotation. We have had practical experience with the design and manufacture of decanter centrifuges since the 50s.http://ativn.com/upload/example-of-policy-and-procedures-manual.xml
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Today, with facilities all over the world, Alfa Laval is in a position to provide customers with superior products, superior service and superior results at any location. This ensures castings with a uniform grain structure free from flaws and defects as well as a completely weld-free finished component. The results are maximum strength, unparalleled reliability and a long service life. This is an area where Alfa Laval expertise and experience also make a key difference. These include dewatering heat-coagulated potato protein and maize gluten, 2-phase and 3-phase wheat starch and protein splitting, and fruit juice separation and fibre dewatering in the potato and tapioca starch industries. The STNX range provides the starch industry with the most cost-effective, high-performance solution, with the lowest power consumption and life cycle costs available. Design Alfa Laval designed the STNX range of decanter centrifuges with a focus on performance, easy access, reliability and low noise levels. The rotating assembly is supported on a compact welded box beam frame with main bearings at both ends. The in-line motor is flanged or foot-mounted on the decanter with adjustable brackets for belt tension adjustment. The bowl is driven at the conical end by an electric motor using a V-belt transmission. The bowl, conveyor, casing, inlet tube, outlets and other parts that come in contact with the process media are made of AISI 316 and duplex stainless steel. High-performance decanter centrifuge for starch production STNX decanter centrifuge Operating principles Separation takes place in a horizontal cylindrical bowl equipped with a screw conveyor. The product is fed into the bowl through a stationary inlet tube and is then smoothly accelerated by an inlet rotor. Centrifugal force immediately makes the solids build up on the wall of the bowl.http://designyourcarpet.com/example-of-procedure-manual.xml The conveyor rotates in the same direction as the bowl, but at a different speed, thus moving the solids towards the conical end of the bowl. The solids leave the bowl through the solids discharge openings into the casing. Separation takes place throughout the entire length of the cylindrical part of the bowl, and the clarified liquid leaves the bowl by flowing over adjustable plate dams into the casing. This makes it easy to maintain the best possible balance between liquid clarity and solids dryness, irrespective of variations in the feed. Direct Drive comprises a new type of gearbox and variable frequency drive, which do not expose the bowl drive to parasitic braking power loss. The electrical installation is straightforward,. STNX 418 STNX 438 STNX 944 STNX 706 Bowl diameter mm 353 (14 in) 480 (19 in) 575 (23 in) 740 (29 in) Max.Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates. And by having access to our ebooks online or by storing it on your computer, you have convenient answers with Viewcontent Php3Farticle3Dalfa Laval Decanter Manual26context3Dlibpubs. To get started finding Viewcontent Php3Farticle3Dalfa Laval Decanter Manual26context3Dlibpubs, you are right to find our website which has a comprehensive collection of manuals listed. Our library is the biggest of these that have literally hundreds of thousands of different products represented. I get my most wanted eBook Many thanks If there is a survey it only takes 5 minutes, try any survey which works for you. Vibrations, wear, and clogging cause decanters to gradually lose efficiency over time, resulting in lower production yield. By servicing them on a regular basis, you ensure peak performance and minimize the risk of unscheduled production stops. Eleven of our local service centers are equipped with the tools and expertise to improve the performance of your decanters. Also we do provide all kind of on site visit and servicing. Additional Information Item Code 9987 Delivery Time 2 Weeks Production Capacity 20 Packaging Details Strached film covered Get Latest Price from the seller The company is promoted and run by technocrats and Engineers with a rich industrial experience of about four decades and covering areas of Production, Planning, Design, Testing, Marketing, Servicing etc.All our products are provided in multiple specifications to meet the diverse client requirements. Being a quality-conscious company, we make use of supreme quality raw materials that are procured from our trustworthy vendors and supplier. Furthermore, we follow the preset industry norms to achieve best quality possible. We also offer installation and operational training of the offered series. We are exporting our products in all over the world. We are backed by a state-of-the-art infrastructure facility that is set up in Ahmedabad, Gujarat, India.Not only our machines support us with the hassle free production, but also help us in attaining the exact requirements of our clients, without compromising with the quality. We have hired a team of efficient professionals that is well experienced and trained to meet the varied client demands on time. Aarti Industries, Santosh Starch and Alta Industries are some of the key customers in market.Get Best Deal I agree to the terms and privacy policy All rights reserved. Get Best Price Get Best Price. The palm oil decanter centrifuge offers maximum oil recovery from sludge underflow or empty fruit bunch liquor with low energy consumption, excellent solid dryness and high-quality separation. The PANX is a proven decanter for the processing of crude palm oil and is well suited for the heavy duty and tough environment of the application. Critical parts of the industrial decanter are made from wear resistant material, making it durable and low-maintenance. With a compact, modular and automatic Cleaning-In-Place (CIP) design, these oil decanter centrifuges offer efficient non-stop operation, reliable separation of liquid, dry solids (cake) and oil whilst saving space. Our smart automatic control system and special power tube design provides easy optimization. This high capacity and high performance decanter is now ready to meet the needs of the palm oil industry. The palm oil product is fed into the bowl via a new inlet feed zone which provides effective and gentle acceleration resulting in less emulsions created and no tendency for plug up. The conveyor, rotating in the same direction as the bowl but at a different speed, moves the solids to the conical end of the decanter. Here, the solids are lifted clear of the liquid and centrifugally dewatered before discharge into the collecting vessel. The clarified liquids overflow into the decanter’s casing through an opening in the cylindrical end of the bowl. Both phases leave the collecting compartments in the hood by gravity flow through outlets under the machine. The Basic Control System, makes it easy to upscale and downscale capacity. Power is transferred to the conveyor via a planetary gearbox. By measuring torque the VFD system optimizes the differential speed without changing belts or pulleys for an overall reduction of the power consumption. This control package is capable of fully controlling the decanter operation, including liquid clarification, solid dryness level, adjustment of process differential speed, automatic solid load and feed of incoming material. It is also designed to measure bearing temperature and to monitor the vibration levels. Alfa Laval PANX decanters with Basic Control System can be adjusted to suit specific process requirements by varying: By ensuring greater uptime, availability and optimization, we help bring you peace of mind, and maximize your return on investment. We can work with you to integrate our services into an Alfa Laval Service Agreement for predictable and worry-free operations. Our dedicated team look forward to assisting you. The actual equipment is only. For Later 80 80 found this document useful, Mark this document as useful 20 20 found this document not useful, Mark this document as not useful Embed Share Print Download now Jump to Page You are on page 1 of 250 Search inside document Cancel anytime. Share this document Share or Embed Document Sharing Options Share on Facebook, opens a new window Share on Twitter, opens a new window Share on LinkedIn, opens a new window Share with Email, opens mail client Copy Text Related Interests Bearing (Mechanical) Transmission (Mechanics) Duct (Flow) Lubricant Decibel Footer menu Back to top About About Scribd Press Our blog Join our team. Quick navigation Home Books Audiobooks Documents, active. They are the ideal low-tech complement to the larger-capacity, more advanced ALDEC G3 units. They are also fully automatic, so you can keep labour costs down. The feed enters the bowl through a stationary inlet tube and is accelerated smoothly by an inlet distributor. The centrifugal force that results from the rotation then causes sedimentation of the solids on the wall of the bowl. The conveyor rotates in the same direction as the bowl, but slightly slower, thus moving the solids towards the conical end of the bowl. The cake leaves the bowl through the solids discharge openings into the casing. The conveyor rotates in the same direction as the bowl, but slightly slower, thus moving the solids towards the conical end of the bowl. The cake leaves the bowl through the solids discharge openings into the casing. Separation takes place throughout the entire length of the cylindrical part of the bowl, and the clarified liquid leaves the bowl by flowing over adjustable plate dams into the casing. For Later 80 80 found this document useful, Mark this document as useful 20 20 found this document not useful, Mark this document as not useful Embed Share Print Download now Jump to Page You are on page 1 of 250 Search inside document. And by having access to our ebooks online or by storing it on your computer, you have convenient answers with Viewcontent Php3Farticle3Dalfa Laval Separator Operating Manual Mapx 20726context3Dlibpubs. To get started finding Viewcontent Php3Farticle3Dalfa Laval Separator Operating Manual Mapx 20726context3Dlibpubs, you are right to find our website which has a comprehensive collection of manuals listed. Alfa Laval is in the air. - hosbv.com Laval DGS 502.pdf? Alfa Laval reserves the right to change specifications Alfa Laval AQ20 Alfa Laval AQ20 AlfaQTM AHRI-certified plate heat exchanger Applications General heating Alfa Laval CIP 20 and Alfa Laval CIP 40 - Alfa Laval Intercambiadores y Filtracion.Alfa Laval CIP 20 and Alfa Laval CIP 40 Cleaning in Place unit for heat exchangers A problem frequently Alfa Laval in brief Product overview. Checking your browser before accessing This process is automatic. Your browser will redirect to your requested content shortly. And by having access to our ebooks online or by storing it on your computer, you have convenient answers with Alfa Laval Decanter Manual. To get started finding Alfa Laval Decanter Manual, you are right to find our website which has a comprehensive collection of manuals listed. And by having access to our ebooks online or by storing it on your computer, you have convenient answers with Viewcontent Php3Farticle3Dalfa Laval Technical Manual26context3Dlibpubs. To get started finding Viewcontent Php3Farticle3Dalfa Laval Technical Manual26context3Dlibpubs, you are right to find our website which has a comprehensive collection of manuals listed. And by having access to our ebooks online or by storing it on your computer, you have convenient answers with Viewcontent Php3Farticle3Dwestfalia Decanter Manual26context3Dlibpubs. To get started finding Viewcontent Php3Farticle3Dwestfalia Decanter Manual26context3Dlibpubs, you are right to find our website which has a comprehensive collection of manuals listed. And by having access to our ebooks online or by storing it on your computer, you have convenient answers with Viewcontent Php3Farticle3Dalfa Laval Whpx Manual26context3Dlibpubs. To get started finding Viewcontent Php3Farticle3Dalfa Laval Whpx Manual26context3Dlibpubs, you are right to find our website which has a comprehensive collection of manuals listed. And by having access to our ebooks online or by storing it on your computer, you have convenient answers with Viewcontent Php3Farticle3Dsharples Centrifuge As 26 Manual26context3Dlibpubs. To get started finding Viewcontent Php3Farticle3Dsharples Centrifuge As 26 Manual26context3Dlibpubs, you are right to find our website which has a comprehensive collection of manuals listed. In both cases, the contaminated oil is fed into the separator through the centre, and it is separated by centrifugal force into its various phases, the heaviest phase (sludge and water) being forced outwards to the periphery of the bowl. Original manual Instruction Manual. Unsafe practices and other important information are emphasised in this manual. Warnings are emphasised by means of special signs. The centrifuge includes parts that rotate at high. A complete reading of this manual by personnel in. Consult your Alfa Laval representative before any. Working of alfa laval machine. This feature is not available right now. Please try again later. Alfa Laval decanter centrifuges provide exceptional performance when separating solids from 1 or 2 liquid phases in one single continuous process. The units are designed to handle a wide range of particles with diameters from 5 mm to a few microns. The accumulation of sludge is periodically removed from the bowl by hand. Installation The oil is pumped, heated, and separated as shown in the figure. A liquid seal in the separator bowl prevents the oil from escaping through the water outlet. If this seal is broken, an alarm device is activated. With unmanned engine rooms, the signals are transmitted to a remote control unit. When the seal is broken, the three-way valve shuts off the oil feed and the oil is recirculated until the fault is corrected. Standard design Solids-retaining separator comprising a frame containing in its lower part a horizontal drive shaft with friction clutch and brake, worm gear and a vertical bowl spindle. The worm gear is placed in an oil bath. The bowl is fixed on the top of the spindle inside the space formed by the upper part of the frame and the frame hood which also carries the feed and discharge systems. 2017 Land Rover Freelander Workshop Repair Manual there. The frame hood is hinged to facilitate easy access for cleaning the bowl which is of the solidwall disc type. English EN OPERATOR S MANUAL OPERATION SERVICE MAINTENANCE Feed Temperature: 0 C (32 F) 4000 RPM Max. Feed Temperature: 100 C (212 F) Max. Density of Compact Wet Cake at Max.The emission sound power level is measured according to ISO while operating the decanter with water as process medium. The sound pressure level is determined from the measured sound power level according to EN ISO The sound pressure level can vary 1dB to 2 db at different positions around the decanter. For decanters with hydraulic back drive some operating modes will give up to 2dB increase in sound pressure at the back drive end of the decanter. The declared values are based on measurements conducted on typical new decanters. Note that the sound pressure levels are based on free-field conditions and not guaranteed values. In a normal indoor installation the sound pressure level will be significantly higher than the declared free-field sound pressure level due to the reflection of sound from walls and surroundings. In order to minimise the sound pressure level at the decanter it is recommended to install the decanter in a room with low reflection of sound from the walls and always keep the decanter in a properly maintained condition. ennoi418.fm 6 7 Alfa Laval OM Chapter Contents Page 0 1 Safety Instructions Decanter Operating Principle Main Drive Back Drive Eddy Current Brake contd. Do not attempt dismantling until the decanter has come to a complete stop, the main power is shut off, and the disconnected main switch is locked with a safety lock. 11. Do not operate the decanter if the bowl, motor, or supporting structure show cracks, pitting, holes, or grooves. 12. Do not use tools other than those recommended by Alfa Laval to dismantle and assemble the decanter. 13. Do not attempt to use the decanter for any application or process material other than that stated on the original purchase documentation without first consulting Alfa Laval. 14. Follow all lubricating procedures and schedules. 15. Check periodically - at least once a year - for loose bolts on foundation and supporting structures, covers, hatches and pipe connections of decanter and motor. 16. Do not get rags or loose clothing near rotating parts. 17. At all times follow the recommended sequence and procedures for dismantling, assembly, operation, and maintenance. Do not introduce new procedures without first consulting Alfa Laval. 18. Only allow trained personnel to operate, clean, dismantle or assemble the decanter. 19. Do not operate the decanter before the installation is complete. 20. Do not operate the decanter with any electrical motor running in the opposite direction to that indicated by the arrows on the frame or otherwise specified.If the decanter is fitted with a frequency inverter, make sure that the maximum possible frequency will not cause overspeeding of the decanter. At least two separate protections against overspeed must be provided. See section 6.9 of the ID manual. 22. Do not turn on feed or water before the decanter has attained its full speed. 23. If the decanter is operated with hot, corrosive, or aggressive liquids, care should be taken that any incidental spillage from the decanter cannot hit persons below the centre line of the decanter. 24. Never turn on feed or large amounts of hot, corrosive, or aggressive liquids when the decanter is at a standstill, as these liquids might hit persons below the centre line of the decanter. 25. Never start the feed pump or flush the decanter before opening the discharge valves or starting the discharge pumps, including any conveying means for the liquid and solids phases. 26. When personnel are working on a decanter with a hinged cover, care should be taken that the cover is not closed unintentionally by other persons or by moving machinery, which might cause injury. 27. Do not touch the solids phase discharging from the decanter as hard lumps being ejected with high speed might cause injury. 28. When using straps to lift the complete decanter or any of its parts such as the rotating assembly, make sure to prevent the part hanging by the straps from sliding. 29. When lifting the decanter assembly four equal length round slings must be used and connected to the lifting eyes on the decanter frame by means of shackles. The minimum length of the slings is specified on the dimensioned drawing. 30. The lifting eyes in the bearing housings, if fitted, must not be used for lifting the bowl assembly. contd. SAFETYIN.EN 14 Alfa Laval Rev OM Electrical Installation 1. Install and earth all equipment in accordance with requirements of the Local Electricity Authority. 2. Use an on-load isolator or circuit breaker (a main switch for switching off during run-up) on the main power supply. 3. Check that the voltage and the frequency are in agreement with labels on motors and other electrical equipment. 4. De-energize all equipment before connecting and disconnecting test equipment. Repairs 1. Major repairs to decanter must not be made without first consulting with Alfa Laval. In no circumstances should weld repairs, heating with a naked flame, or other alterations be made to bowl shells, bowl hubs, gearbox adapter, shafts, or other rotating parts without prior written approval and instructions from Alfa Laval.Only use the lifting tools for the intended purpose. 4. Replace worn or damaged parts with only original Alfa Laval parts. Alfa Laval cannot be held responsible for any damage to property or for injury to persons if genuine parts are not used. 5. Do not interchange bowl parts, since specific parts are balanced as a unit. The Motor 1. Do not operate a decanter equipped with flame proof motor(s) and control unit(s) until all enclosures have been assembled in accordance with the appropriate standards. 2. If a motor should become inoperative, immediately shut off the power. 3. Always follow motor manufacturer's specifications on bearing lubrication. 4. Do not attempt to operate a motor that is overheated due to frequent starts and stops. Allow motors to cool to ambient temperature (as designated on the motor nameplate) before each restart. Users of high speed centrifugal equipment should be aware of this fact and also that extremely high forces are brought into play when their equipment is in operation. Any weakening of highly stressed members by misuse, erosion, corrosion, chemical pitting, or stress cracking must be guarded against. The following points should be noted and the recommended action taken: 1. Inspect the outside of the bowl for erosion and corrosion, at least every two months. 2. Do not operate equipment when: 2.1 Holes are worn through rotating parts. 2.2 Grooves greater than 2 mm (0.08 inch) deep are worn in rotating parts. 2.3 Evidence of cracks is present in rotating parts. 2.4 Chemical pitting of 2 mm (0.08 inch) depth or greater is present on rotating parts. 3. Chemical Pitting Observed: All cases of chemical pitting, even under 2 mm depth, should be monitored carefully. This action is almost always due to the breakdown of the passive film on stainless bowl shell walls, in the presence of chlorides. This often occurs under deposits that have not been cleaned from the outside of the bowl wall. High temperature and high acidity accelerate the action. 4. Pay special attention to the bolts assembling the bowl sections. If the process liquid or cleaning agents contain chlorides, check these bolts at least once a year and exchange them at least every three years. Contact Alfa Laval, if in doubt. Contact Alfa Laval regarding the repair or replacement of pitted bowl shells or other parts SAFETYIN.EN0 17 Alfa Laval Rev OM 2 Decanter Operating Principle Figure 2.1 The feed enters the decanter at the intersection of the conical and the cylindrical part of the bowl through a central feed pipe in the hollow drive shaft. After leaving the feed pipe, the feed suspension is distributed into the rotating liquid in the bowl and smoothly accelerated to the full rotational speed. The centrifugal force makes the solids settle at the bowl shell. The screw conveyor continuously transports the solids toward the conical end of the bowl and through conical bowl part. The plate dams can be set to a smaller radius than that of the solids discharge (negative beach). Then the heavy phase (the solids) is pressed under the baffle disc by the hydrostatic pressure of the light phase (the clarified liquid). ATTENTION The liquid and the solids are discharged at roughly the same radius, and consequently, during start-up, flushing, and irregularities in process, discharge of liquid through the solids discharge ports may occur owing to lack of solids in the bowl. This should be taken into consideration when the decanter is installed nall2001.en0 19 Alfa Laval Rev OM 2.1 Main Drive The decanter is driven by an electric motor. The motor shaft carries a drive pulley, and motive power is transmitted through V-belts to the bowl pulley to drive the bowl. NALL2101.EN 20 21 Alfa Laval Rev OM 2.2 Back Drive The purpose of the back drive system is to make it possible to control the speed of the sunwheel shaft of the gearbox and consequently control the differential speed between bowl and conveyor. Two automatic back drives are available, one with Eddy Current Brake (ECB) and one with Variable Frequency Drive (VFD). For both the ECB and the VFD back drive two specialized decanter back drive controllers can be used, i.e. either the ABC (Advanced Back Drive Controller) or the DSC (Differential Speed Controller). See specific manuals for the ABC and DSC for further information about the back drive controllers. NALL2208.EN 22 Alfa Laval Rev OM Eddy Current Brake Figure Key Features of ECB 1. Pinion Shaft 4. Poled Wheel Assembly 7. Magnetic Coil 10. Bowl Speed Sensor 2. Torque Tube 5. Stator 8. Tach-generator (when fitted) 3. Flexible Coupling 6. Magnetic Field 9. Advanced Brake Controller 11. As the torque tube revolves, it induces eddy currents by traversing the poled member; these eddy currents tend to resist rotation of the torque tube thus creating the braking effect.Control over the speed of the eddy current brake is effected by an integral Tach-generator and separate control unit. The signal from the Tach-generator is fed to the control circuit and used by the controller to determine the appropriate current to the field coil. The controller either increases the current to increase the braking effect, thus decreasing the speed of the brake, and increasing the scrolling differential, or decreases the current to reduce the braking effect, thus allowing the brake speed to increase and consequently decreasing the scrolling differential. CAUTION Although it is quite acceptable for the eddy current brake to rotate with the centrifuge bowl at maximum bowl speed for short periods, such as may occur in the event of a conveyor blockage, it is not advisable to allow the ECB to freewheel for longer periods than absolutely necessary. The reason for this restriction lies in the inherent nature of the epicyclic gearbox, where, unless the rotational speed of the gearbox pinion shaft is restricted to less than the speed of the centrifuge bowl, the ring gears in the gearbox will not be able to drive the planetary gears around the sun gear. In this situation, no oil will be picked up and passed from gear to gear or bearing to bearing; oil will instead migrate by centrifugal force to the walls of the gearbox leaving gears in metal to metal contact. To prevent excessive speed from being induced unnecessarily, the control circuit is designed and preset to prevent the brake from being operated above a predetermined limit, i.e., approximately 82 to 90 of the maximum bowl speed dependent upon the type of gearbox fitted. contd. NALL2208.EN 24 25 Alfa Laval Rev OM 3 Operation and Routine Maintenance 3.1 Before First Start ATTENTION Be sure the decanter has been properly lubricated according instructions in section 3.8. If the decanter has been in stock for more than a few months, the grease in the main bearings might have stiffened, which makes it difficult to attain full speed. The remedy is to apply new grease while turning the bowl slowly by hand (see section 3.8.1). Be sure that the transport safety devices (the yellow wedges) have been removed. Check that the bowl rotates freely in both directions.