A traditional cooling tower drive system consists of an ac motor, a gearbox, pillow block bearings and shaft couplings to achieve the air flow required. Cooling tower gearboxes the better solution provider. Baldor adjustable speed direct drive cooling tower motor. They come in many shapes, sizes, and configurations ranging from small single cell units to large multicell units. A new more reliable solution for cooling tower drives this type of seal has been successfully used in cooling tower gearboxes for many years 12. The customer had already prepared to have the gearbox changed, but wanted confirmation via vibration analysis prior to performing the work.
These new gearboxes are direct replacements for the original gearboxes in these machines except for input shaft size and reduction ratio in some cases. Evolution of cooling tower gearboxes power transmission blog. Power generation gearboxes for thermal power plants. Success story of oil mist to cooling towers gearbox. Gearboxes are used as speed reducers to slow the rotational speed from the incoming motor to the outgoing fan of a cooling tower. Minimum speeds of marley geareducers as documented in our engineering specifications and tower manuals are those speeds necessary to maintain a flow of oil to the upper bearings through our oil slinger splash lubrication system. Combined filter consisting of a fine filter with bypass valve and a coarse filter l high contamination retention capacity, low differential pressure. These gearboxes series for cooling towers andor pulp and paper mixers is especially built to grant reliability to customers.
Gearbox cooling systems hydac gearbox lubrication coolers are compact systems for applicationspecific oil conditioning. Syed ahsan bukhari trainee mechanical engineer utilities scheme of presentation cooling tower. Simple, lowcost vibration monitoring of cooling towers at. Maintenance of gearboxes is difficult and expensive, given the location. One of the system is in cooling tower unit which serve 6 gearbox and its driver, also serve total 6 water pumps and its driver they had conducted the first inspection at cooling towers gearbox at the end of 2004 to inspect if gearbox need overhaul and prepare for next summer. Cooling tower gearbox repair 20180115 process cooling. We offer all types of cooling tower gear boxes with full range of all their components. They reject process heat from the cooling water to atmosphere and keep the water cool. The sfc gearbox is designed without protrusions beneath the.
Each cooling tower fan was driven by a direct, closecoupled drive by a 4pole, vfd driven motor and a single reduction, right angle gear unit. Lubrication oil filtration systems for wind turbine gearboxes. Please refer to your operation and maintenance manual for complete information lubrication. A wide variety of gearbox cooling options are available to you, such as air cooling fan, water mist fan. Based on agma specifications these gear boxes are available for loads from 5 h. Evaporation causes the heat to be removed from the make up water. Components of the gear box fail without proper maintenance. These are two stage gear boxes having 1st stage out of spiral bevel pair duly case hardened and lapped with another helical pair with case hardened and ground. Whereas intel has a cultural propensity for change, american express financial advisors aefa is in the final stages of a project so sweeping that its goal has been to create a new company that could put the old one out of businessbefore a competitor tries to do just that. Cooling tower fan drive gear unit incorporates an extended top bearing housing to accommodate the larger wheel shaft bearing. Standard solutions for wind turbine gearbox lubrication oil filtration and cooling systems turbine gearbox power main specification for lubricating and cooling system electrically driven pump mechanically driven pump integrated filter functions cooler as examples oil. Ghirri helical gearbox industrial coaxial shaft spiral bevel gearbox.
Key component of the cooling tower fan is the gearbox. Users can view and download unit certified and steel support drawings in a. Oem parts for marley cooling towers and fluid coolers lenntech. Pressure required at cooling tower supply piping connections. This is why it is important to complete the necessary gearbox maintenance. Cooling tower efficiency calculations cooling tower approach.
There is a long engineering, manufacturing and service tradition of gearboxes and gears for gas and steam turbine drives, turbo compressors and auxiliary starting drives in wikov the installations base before 2004 under skoda brand has been continuously extended by new gearboxes with wikov logo. Planetary gear boxes chapter 10 3 index technical information 4 size 100 1. The gearbox bearings shall be rated at an l10a service life of 100,000. Premium transmission cooling tower gearbox introduction. When system automation and control is a requirement for your cooling tower operation, the baldor drive readily communicates with multiple. If you maintain your gearbox properly a gearbox can last 10 15 years.
Repair and rebuild services can refit cooling tower fan drives, including those from amarillo cooling tower as well as the marley geareducer. For example, a cooling tower gearbox failure in 2002 caused drive shaft failure and motor failure in addition to the original gearbox failure. At the same time, air is being drawn through the airinlet louvers forcing water to evaporate. Vibration of cooling tower fans vibration institute piedmont. The water then gets distributed by cooling tower nozzles to the wet deck. All three cooling tower fans were 6blade, driven via right angle. Cooling tower plays a major role in chemical process industry.
Wireless vibration technology helps to identify potential problems, schedule maintenance and prevent unplanned downtime. From largescale industrial cooling tower in the atmosphere of manufacturer data it may be w 0. Abstract this paper intended to the damage of cooling tower of our plant a detail case study of the incident. Types basic terminologies cooling tower components mechanical drive arrangement drive shaft gearbox fan troubleshooting 2. For general operating conditions, agma lubricant number and corresponding viscosity range should be as shown in the table below. The water exits the cooling tower and is sent back to the exchangers or to other units for.
Use only rust and oxidation inhibited gear oils in accordance with agma standard 9005d94. Condition monitoring of cooling tower fan gearboxes by. Marley 10151235 used marley, model nc9265gm cooling tower. Not only can you get a new replacement gearbox for your cooling tower. The manufacturer of your cooling tower usually lets customers order new gearboxes or have trained technicians that can repair or rebuild a faulty gearbox using original equipment manufactured parts. Poggi spiral bevel gearbox multi shaft, multi gear. Your gearbox can make or break your overall cooling tower performance. Fill media is by far one of the most important cooling tower. You can also choose from ce, cb, and ccc gearbox cooling, as well as from floor, pedestal gearbox cooling, and whether gearbox cooling is free spare parts, online support, or video technical support.
Avoid unplanned machinery failure on cooling towers. Amertechtowerservices ats has an seclusive agreement to distribute oil that lasts 3 times the normal cooling tower gearbox, saving money, time. East side of urea cooling tower of lineii suddenly collapsed at 7. The motor is mounted outside of the cooling tower cell figure 3, and the gearbox and fan are located inside, making them inaccessible to the vibration analyst while the tower is in operation. Gear lubrication cooling towers, closed circuit cooling. We consistently maintain a substantial inventory of new amarillo gear boxes as well as refurbished marley gear reducers in both double and single reduction ratios. Cooling tower efficiency calculations cooling tower efficiency calculation is described in this article. Motordrive package for cooling towers eliminates gearbox. We realize that if your cooling towers gear box fails, you cant wait weeks or even days for a replacement to arrive. Download the working principle of cooling tower pdf. The operation of cooling tower is very important and any down time for want of maintenance is very critical for running of each unit of the power plant. Varying loads and large rotating fan blades are just two of the reasons that mechanical.
Mandy parks, component sales manager cooling tower depot, inc. Helical gearbox industrial parallel shaft 6 unit sizes single, double and triple stage reduction. Mitrpak spiral bevel gearbox aluminium case t type. The most common cooling tower fan failure involves the gearbox or fan blades and are catastrophic in nature. Gearbox failure on cooling tower fan applications is eliminated with an abb motordrive package designed specifically for such hot and humid operating environments. Motor drive package for cooling towers eliminates gearbox. Rated 7100 gpm, with 75 hp motor and gearbox manufacturer. The company thus benefits from a high torque but also complete solutions from a. New extruder gearboxes are available for all reciprocating. Cooling tower cooling towers are heat removal devices used to transfer process waste heat to the atmosphere. Due to the gearbox location in a cooling tower, minimal airflow from the. Find out if you could you be setting your gearbox up for failure without even knowing.
Amertechtowerservices ats can also provide cooling tower gearbox rebuilds and spare parts like gear sets, bearings, seals, among others. Heinen freezing, a manufacturer of industrial cooling and freezing systems, uses planetary gear units from seweurodrive in its equipment. Cooling towers must be cleaned on a regular basis to prevent the growth of bacteria including legionella pneumophila. For the reduce of the heavy expenses analysis is done. Factorytrained technicians repair the gearboxes and put each one through a runin procedure to simulate operating capacity. Manual gearbox car parking for android download apk free. Planetary gear units for cooling bruchsal, cologne, anuga foodtec 2015. Ms vsp is using mineral gear oil in the gearboxes of cooling towers. This gearbox is made by installing mounting flange 10986410 to gearbox 10984586. It will likely take around 2 years for your gearbox to fail. As an alternative, the company offers multiple kits per geareducer model. Cooling tower fill media what is cooling tower fill media. A traditional cooling tower drive system consists of an ac motor, a gearbox, pillow block bearings and shaft couplings to.
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