Electric motor single speed, two speed, variable speed. Cooling tower gearboxes rmr has a history of rebuilding cooling tower gearboxes. 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. Choose a gearbox engineered to minimize the case deflection associated with the immense torque and thrust loads specific to cooling tower duty. To run a cooling tower safely and efficiently requires some type of monitoring system. Components of the gear box fail without proper maintenance. Cooling towers have large fans and powerful motors, which can present a host of challenges, including excessive sound, vibration and expense.
However, lost production because a cooling tower is down due to a gear box that was not properly maintained can cost the owner many times what a. Cooling tower drives march, 2010 energy management centre. Marley m series cooling tower gearboxes are designed and manufactured to directly replace. A cooling tower is heat removal device that uses water to transfer process waste heat into the atmosphere. Like any machine, cooling towers are only as reliable as the components within them. The drives amarillo gear company llc produces for cooling tower and air fin heat. Amarillo gear company s irrigation pump drives have been trusted to deliver. Paharpur designs its own parts and components specifically for cooling tower operation. We realize that if your cooling tower s gear box fails, you cant wait weeks or even days for a replacement to arrive. Cooling towers, while sturdy machines, require detailed inspections to ensure that they are operating at peak efficiency. Nov 15, 2017 water cooling towers, therefore, are energyefficient, and cheap to operate and maintain. Datasheets for your amarillo gear company gearboxes.
The gearbox of your cooling tower is a very valuable asset, and we realize how important it is for you to keep it running at its best. We realize that if your cooling towers gear box fails, you cant wait weeks or even days for a replacement to arrive. Cooling towers primarily rely on water to do heavy work loads. Key component of the cooling tower fan is the gearbox. Parts warehouse here you will find replacement components for cooling towers of any make, any model, anywhere.
Cooling tower depot maintains the largest selection of instock amarilllo cooling tower gearboxes in the world to serve you well when an emergency need arises. East side of urea cooling tower of lineii suddenly collapsed at 7. Cooling tower and gearbox overhaul gear bearing mechanical. Coupling or drive shaft assembly connect motor to gear box assumes right angle configuration. Operation of cooling tower counterflow design 5 counterflow design. This standard applies to fire protection for field erected and factoryassembled water cooling towers of combustible construction or those in which the fill is of combustible material. Not only can you get a new replacement gearbox for your cooling tower. The evaporative cooling unit cold water basin should be drained. This was a marley cooling tower, with a 60 hp motor, connected to the gearbox by a 48. As the cooling tower failure consequences are understood and the causes of failures are analyzed, priority to prevent the catastrophic disaster occurs, which leads to asset protection. Cooling towers and condenser water systems design and. Types basic terminologies cooling tower components mechanical drive arrangement drive shaft gearbox fan troubleshooting 2 cooling tower cooling towers are heat removal devices used to transfer process waste heat to the atmosphere. Cooling towers use evaporation of water to remove process heat and cool the working fluid to near the wetbulb air. For nearly a century, we have provided exceptional quality equipment and service to the hvac, process cooling, industrial, and refrigeration markets.
Fill media is by far one of the most important cooling tower. Maintenance of gearboxes is difficult and expensive, given the location. Failure to follow the guidelines provided in this manual may result in poor performance, unnecessary equipment failure and down time. Cooling tower applications food processing facilities cooling towers are used in food processing plants all over the world. Lets look at a typical case of fan selection for a new tower design. Make sure motor and fan are securely mounted and free to rotate. Dry cool air enters the bottom of tower, moves thru fill where it accepts heat energy from the hot water and moves out the top of the stack as warm, moist air. In the scope of the tower cost, the gear box cost is minimal. Cooling tower gearboxes irm has a history of rebuilding cooling tower gearboxes. Maintenance and failure of the gearbox, and associated components, is often problematic with traditional systems. However, lost production because a cooling tower is down due to a gear box that was not properly. Plus, the output shaft has a labyrinthtype plate directly mounted to the. A cooling tower is a heat exchange system that removes waste heat from a process system fluid, usually water.
Design and operation 2005 2018 trane a business of ingersoll rand. If you read this book carefully, you can make any cooling tower design programs by yourself. Again, this will be a first issue releasing the actual engineering approach. Variable speed motors direct drive cooling tower motor. Maintenance checklist continued seasonal shutdown checklist when the system is to be shut down for an extended period of time, the following services should be performed. However, the inaccessibility of a cooling tower makes it.
Keeping your cooling tower in good shape requires more than just the annual inspection before startup. Success story of oil mist to cooling towers gearbox. 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. Elecon has already manufactured several sizes of gear boxes for cooling tower application which are designated as kbvct. 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. Find the perfect datasheets you need for your gearboxes that are designed and manufactured by amarillo gear company. Mechanical draft cooling towers are typically implemented in banks mounted on an elevated platform. We have been stocking gears, bearings, and seals for cooling tower gearbox reducers of all types. Filtration for cooling tower gearbox pdf catalogs brochure. Gearbox operation manuals from amarillo gear company. Suptic air conditioning and refrigeration systems ranging from light commercial to industrial applications may rely on cooling towers to remove waste. Cooling tower pumping and piping bottom vented downcomer. Types and performance evaluation, efficient system operation, flow control strategies and energy saving opportunities, assessment of cooling towers 7.
For example, some gearboxes using synthetic oil do not require an oil change for five years, but cooling tower owners and service contractors should be diligent about inspecting for potential leaks. Cooling tower gearbox repair 20180115 process cooling. We make this easy for you with online pricing, experts on call, installation and repair services, and a free cooling tower parts catalog with nearly 300 pages of cooling tower components, specifications and more. Different types of cooling towers exist to serve different heat transfer needs.
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. The contamination levels on start of project were deemed high for this application. For example, marley geareducers feature up to 40 percent thicker castings and are designed and built expressly for cooling tower service. D fan gear box of cooling tower sooraj paul k, av suresh babu indian oil corporation limited ashok majjivisakhapatnam steel plant, vizag abstract the lubrication of cooling tower gearboxes in a thermal power plant is a complex process and embodied with most severe application requirement. Marley double reduction gearboxes are manufactured and designed specifically for cooling towers in large industrial and power plant applications. Cooling towers gear civil engineering free 30day trial.
Cooling tower speed reducers are usually driven by an electric motor and, most commonly, drive a fan generally mounted directly on the unit output shaft. Shaft height, diameter and flange mounting dimensions can be directly interchangeable with some existing cooling tower gearbox. For example, the a series right angle gear drives for cooling towers from amarillo gear are designed as direct replacements for the marley cooling tower line of right angle drives. Retrofit or new tower designs rpm ac cooling tower motors are flange mount designed to be interchangeable with many popular gearbox bolt hole mounting configurations. Whether you have questions on marley geareducer operation and maintenance, need components to perform a repair yourself, or want to send your unit back to us for the highest level of care, spx has the solution. These repairs can be avoided by removing the contaminant with a filtration. It will likely take around 2 years for your gearbox to fail. Direct drive cooling tower motor and drive system for industrial.
Wetbulb temperature wet bulb temperature is the lowest temperature that can be reached by the evaporation of water only. Monitoring cooling towers whether a cooling tower failure results in catastrophic damage or only costly downtime, the risks are too great to allow these essential pieces of equipment to run without advance warning of mechanical problems. For the reduce of the heavy expenses analysis is done. Evolution of cooling tower gearboxes power transmission blog. Avoid unplanned machinery failure on cooling towers. Due to the gearbox location in a cooling tower, minimal airflow. Their thick, casted shells housing the gear teeth and oil bath can withstand the high heat and humidity inside the cooling tower. Aligning cooling towers with spacer shafts can sometimes present a challenge. Cooling tower and gearbox overhaul free download as word doc. Output shaft sealed with a maintenancefree labyrinth ring. Abstract this paper intended to the damage of cooling tower of our plant a detail case study of the incident. Premium transmission cooling tower gearbox introduction youtube. Stick to a regular maintenance schedule to reduce the risk of legionella and prevent premature failure, recommends dan glover, technical services group manager for southland industries, a national mechanical engineering, construction, and service firm.
Cooling tower bureau of energy efficiency 5 syllabus cooling tower. Nov 10, 2015 cooling tower gearbox 101 e book series 1. Cooling towers are used in both commercial and industrial applications. Induceddraft cooling towers most common type large propeller fan located on top of unit discharging upward air is drawn into the intakes on the sides of the unit and passes through a stream of water some water evaporates into the airstream causing cooling. A cooling tower is a specialized heat exchanger in which air and water are brought into direct contact with each other in order to reduce the waters temperature. The customer had already prepared to have the gearbox changed, but wanted confirmation via vibration analysis prior to performing the work. Measuring the key vibration parameters and analyzing vibration data from a cooling tower are the most important actions to be taken. Consult the hilliard corporations filtration for cooling tower gearbox.
In this type of cooling tower, fan is not used for circulating air but here, by enclosing the heated air in the chimney and it will create pressure difference between heated air and surrounding air. We recently provided alignment training and assistance to the hvac group at the federal reserve bank in richmond, va. If you maintain your gearbox properly a gearbox can last 10 15 years. Amertechtowerservices ats can also provide cooling tower gearbox rebuilds and spare parts like gear sets, bearings, seals, among others.
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. They come in many shapes, sizes, and configurations ranging from small single cell units to large multicell units. How much do you know about your cooling tower gearboxes. Because these units have typically been steel framestructure with pvc fill, the. Look for downtime threats in gearboxes and elsewhere. Download the pdf below to learn more about a filtration and sampling solution that can help you reduce costly oil changes, repairs and downtime. Condition monitoring of cooling tower fan gearboxes by.
The major concern during i study the cooling tower theory was how to computerize the cooling tower theory from the calculation of ntu to the cooling tower performance analysis. Houston, texas fans key to optimum cooling tower design nomograph gives the reciprocal of the density ratio. Do you need quick and easy access to your gearbox s operation manuals. 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 tower s gearbox at the end of 2004 to inspect if gearbox need overhaul and prepare for next summer. As this occurs, a small volume of water is evaporated, reducing the temperature of the water being circulated through the tower. One of the most important components to maintain is the cooling tower gear drive. Philadelphia gear brand cooling tower drives can be found in power plants across the globe. Tower gearbox oil where are yall getting turbine oil for marley tower gear boxes. Varying loads and large rotating fan blades are just two of the reasons that mechanical. Cooling tower fill media what is cooling tower fill media.
Case hardened and lapped steel spiral bevel gearboxes are provided for torque transmission between the. Aug 21, 2017 the cooling tower drives sfc series features sumitomo drive due to the gearbox location in a cooling tower, integral cooling fan oil gauge magnetic fplug oil seal hood output seat options use of a backstop optional is to prevent reverse rotation of the cooling fan. Cooling tower performance in free cooling applications is dependent upon both the system and cooling tower design. The extreme conditions of the cooling tower often lead to issues with lubrication. Operating and maintenance manual philadelphia gear. For nearly a century, we have provided exceptional quality equipment and service to the hvac, process cooling, industrial, and. Mandy parks, component sales manager cooling tower depot, inc. Gain access to our free aop ask a professional section to get real answers for your questions. Mechanical equipment in mechanical draft cooling towers.
The importance of maintaining your cooling tower gearbox. Amarillo gear service can service your cooling tower gear drives. Jan 15, 2018 repair and rebuild services can refit cooling tower fan drives, including those from amarillo cooling tower as well as the marley geareducer. Because of this pressure difference air enters in to the cooling tower. Inadequate flow rates downcomer flow rates can be so low, relative to pipe size, as to allow air to enter at the pipe discharge. Operations and maintenance manual for optimum gear box life and reliability. Amertechtowerservices ats has an seclusive agreement to distribute oil that lasts 3 times the normal cooling tower gearbox, saving money, time and hazardous waste disposal. A guide to troublefree cooling towers a basic understanding of cooling tower operation and maintenance will help keep a cooling water system running in top condition, year after year by david m. Cooling tower gearbox cooling tower parts make greaves.
All three cooling tower fans were 6blade, driven via right angle. Gearboxes are employed to address these challenges. Spx cooling technologies has inhouse engineers that have. Net efficiency of the gearbox varies per application, but is generally near 96 percent. The cold water basin should be flushed and cleaned with the suction strainer screens in place. We have 6 series of gear reducers or gearboxes designed according to specific tower capacities and are designed in order to require minimum maintenance and deliver high transmission efficiency. Gear drives are effective at all cooling tower power levels. Of the many types of towers in operation, the most common is the mechanical draft cooling tower. Aseries single reduction this gear reducer is a drop in replacement for the marley 2027 series and 18002700 series gear reducer. Paharpur cooling towers adapt well to enclosures, the designer must realise the potential impact of a. We offer our clients the option of replacing it with an exact duplicate, or another oem cooling tower gearbox. Cooling towers can be classified in two types 1 natural draught cooling tower. All cooling towers operate on the principle of removing heat from water be evaporating a small portion of water that is recirculated through the unit.
Jacket water cooling for engines and air compressors. Cooling towers have large fans and powerful motors, presenting a host of challenges, including excessive sound, vibration and expense. Marley series 2200, 2250 and 2400 geareducer user manual. Discover the trico cooling tower gearbox protection kit. Wireless vibration technology helps to identify potential problems, schedule maintenance and prevent unplanned downtime. Condition monitoring of cooling tower fan gearboxes by wear. Considered will be a 26 ft, 28ft, or 30 ftdiameter fan. Amarillo gear company s cooling tower gearboxes and drive shafts have design features and ratings that ensure reliability and long life in the demanding environment of a cooling tower. It is the temperature one feels when ones skin is wet and is exposed to moving air. Feb 07, 2017 the gearbox of your cooling tower is a very valuable asset, and we realize how important it is for you to keep it running at its best. How to protect the hardtoreach cooling tower gearbox. Contamination within a gearbox can result in costly repairs.
Your gearbox operations can make or break your cooling tower performance. Cooling tower applications food processing facilities. Trust amertech tower for all of your cooling tower mechanical equipment maintenance. Filtration for cooling tower gearbox the hp4bhv gearbox filtration system is designed specifically to filter heavy gearbox fluids to reduce maintenance costs and increase time between maintenance intervals. Gearboxes require additional no load power to overcome the friction of internal components and oil viscosity. One of the most important cooling tower components to maintain is the gearbox. The severe operating conditions encountered in cooling tower service make it desirable to establish minimum recommended design, installation, and operating practices for gear.
986 733 488 659 37 1626 894 1051 1581 706 1578 1221 295 1272 1106 758 1080 587 695 1589 1081 550 253 1066 1485 1406 270 355 88 1605 1575 208 1452 277 205 1447 287 155 147 116 1259 1160 1252