Maintenance checklist cooling towers, closed circuit. Operations and maintenance report on the cooling tower design, principles. Cooling towers, evaporative condensers and closed circuit cooling towers. Do you need quick and easy access to your gearbox s operation manuals. Operating and maintenance manual philadelphia gear. 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. These motors are built to cooling tower duty speci. The cold water basin should be flushed and cleaned with the suction strainer screens in place. Philadelphia gear brand cooling tower drives can be found in power plants across the globe. Protect your cooling tower gear drives with mobil shc synthetic lubricants designed to minimize. Providing proper installation, maintenance and operation of the series tci cooling tower is the owners responsibility, and is required for safe and efficient operation.
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. These simple preventive cooling tower maintenance tips can help users save up to 15 percent on electricity costs. Cooling tower maintenance program and plan template. 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. Contamination within a gearbox can result in costly repairs. Factors affecting cooling tower performance capacity utilization amount of water circulated range determined by the process it is serving determined by heat load and water circulation rate thus range. For general operating conditions, agma lubricant number and corresponding viscosity range should be as shown in the table below. Light weight increases the life of the gear box, motor and bearings and allows for easy handling and maintenance.
Transmitter provides insight into the health of cooling tower gearboxes and motors. Whether it is running large diameter axial fans, reverse operation for deicing, multiple onoffs per day, extreme operating temperatures, or the fact that it operates in an environment with 100% humidity. Premium transmission cooling tower gearbox introduction. However, a wellmaintained cooling tower will continue to function at the original optimum efficiency, keeping energy costs low. Follow these 10 simple maintenance tips to get the most out of cooling towers. Careful maintenance planning is required to ensure personnel safety. Condition monitoring of cooling tower fan gearboxes by wear. Featured product adiabatic coolers from paharpurspartium can reduce energy consumption by up to 40% or reduce water usage by up to 80%.
Cooling tower applications food processing facilities. Suptic air conditioning and refrigeration systems ranging from light commercial to industrial applications may rely on cooling towers to remove waste. Wireless vibration technology helps to identify potential problems, schedule maintenance and prevent unplanned downtime. If you read this book carefully, you can make any cooling tower design programs by yourself. Cooling tower cleaning maintenance cooling tower cleaning any evaporativetype cooling tower must be thoroughly cleaned on warning a regular basis to minimize the growth of bacteria, including legio nella pneumophila, to avoid the risk of sickness or death. Failure to follow the guidelines provided in this manual may result in poor performance, unnecessary equipment failure. Manuals star cooling towers star fan stack installation instructions pdf star typical drift eliminator detail pdf star typical endwall detail pdf star typical hot water basin installation detail pdf star typical louver installation detail pdf star typical partition wall detail pdf star typical stair pad detail pdf star typical stairway detail pdf star typical structural. The fan couples directly to the motor and is controlled by a unique ac drive to provide. Routine maintenance also helps to conserve water and extend the operating life of cooling equipment. Cooling tower maintenance is more than simply biological monitoring, a maintenance plan also has to address other issues such as the condition of the equipment, condition of the mist eliminator, general corrosion, conductivity, sedimentation, control mechanisms, etc. Electric motor single speed, two speed, variable speed.
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. Cooling tower depot is the largest stocking supplier of new amarillo gearboxes in the world. 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. Cooling towers are heat transfer devices that are designed to remove heat from. Select one of the following system solutions that works best for your application.
Excessive sound and vibration levels, which can result in municipal. In every application the target portion of the nozzle should be located at the correct distance above the top of the cooling tower fill to obtain maximum. Solutions to cooling tower gearbox pain points power engineering. Key component of the cooling tower fan is the gearbox. Avoid unplanned machinery failure on cooling towers. Spx cooling technologies has inhouse engineers that have. A cooling tower is heat removal device that uses water to transfer process waste heat into the atmosphere. This content has been revised as per the new nyc cooling tower legislation. Again, this will be a first issue releasing the actual engineering approach. Paramax sfc series reducer for cooling towers sumitomo. When you purchase an industrial gearbox, you are making an investment. Different environmental conditions may dictate more frequent servicing. Use only rust and oxidation inhibited gear oils in accordance with agma standard 9005d94.
Download as docx, pdf, txt or read online from scribd. 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 properly maintained gear box costs. 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. Torsional instability of cooling tower fan during induction motor startup akira adachi. The water basin is an integrated part of the cooling tower casing, on this reason leakage is prevented for the examination of the spray nozzles and for maintenance on the adjustable float valve inspection hatches are provided. Please refer to your operation and maintenance manual for complete information lubrication.
Cooling tower drives march, 2010 energy management centre. Tower location location of the cooling tower must follow these guidelines. At least 3 feet of space shall be allowed on each access door side for crossflow towers and the minimum calculated clearance on all sides of counterflow towers, based on required intake area refer to mesans. Amertechtowerservices ats has an seclusive agreement to distribute oil that lasts 3 times the normal cooling tower gearbox, saving money, time. Cooling tower applications food processing facilities cooling towers are used in food processing plants all over the world. Cooling tower maintenance checklist for nyc following the legionnaires disease outbreak in new york city this past summer, there is a great deal of concern and uncertainty about whats required for proper cooling tower maintenance. 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. Varying loads and large rotating fan blades are just two of the reasons that mechanical. Plant operators and maintenance engineers must effectively manage a variety of cooling tower service issues, whether scheduled or. The importance of maintaining your cooling tower gearbox.
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. Industrial gearboxes have a variety of lifespans, but you can ensure that yours will last as long as it should by performing regular inspections and maintenance. Paharpur designs its own parts and components specifically for cooling tower operation. High operating temperatures, which can contribute to shorter operating cycles, premature gearbox failure and unplanned downtime. Elecon has already manufactured several sizes of gear boxes for cooling tower application which are designated as kbvct. With all of this information at hand, maintenance teams have more flexibility in addressing problems on a schedule that allows for a minimum of downtime.
Not only can you get a new replacement gearbox for your cooling tower. Condition monitoring of cooling tower fan gearboxes by. Cooling towers and cooling tower parts spx cooling. Like any machine, cooling towers are only as reliable as the components within them. Failure to follow the guidelines provided in this manual may result in poor performance, unnecessary equipment failure and down time. When writing for information, or when ordering parts, please include the serial number shown on the cooling tower nameplate. Cooling tower operators and maintenance engineers cite several common pain points associated with gearbox operation and service. No matter the motor is near the gearbox, inside or outside of the cooling tower wall, or far away from the gearbox, metrix has a broad range of product options to meet various cooling tower applications. Coupling or drive shaft assembly connect motor to gear box assumes right angle configuration. East side of urea cooling tower of lineii suddenly collapsed at 7.
In the scope of the tower cost, the gear box cost is minimal. One of the most important cooling tower components to maintain is the gearbox. The evaporative cooling unit cold water basin should be drained. The safety protection of the vbelt drive can easily be removed for maintenance purposes. Mechanical reducer gearbox maintenance manual gearbox repair recoundition reverse engineering falk gearbox, lufkin gearbox, what is a cooling tower. Engineered with heat dissipation in mind, to maintain optimal temperature for the reducer in the vicinity of the cooling tower fan, where airflow is minimal. Higher motor torque ratings are available using taller motors when space is available. Do you need quick and easy access to your gearboxs operation manuals. 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. Nov 15, 2017 water cooling towers, therefore, are energyefficient, and cheap to operate and maintain.
To move a specified quantity of air through the system, overcoming the system resistance, which is defined as the pressure loss. Mechanical equipment in mechanical draft cooling towers. Gearbox maintenance tips rapid repair solutions once the problem is identified, the cost of repair and downtime must be weighed when deciding whether to fix the problem onsite or have the gearbox completely replaced. 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. Gearbox operation manuals from amarillo gear company.
Cooling towers primarily rely on water to do heavy work loads. This manual comprises installation and maintenance in structions for cooling tower speed reducers. Optimized explicitly for running cooling tower fans. Variable speed motors direct drive cooling tower motor. We now have most models of amarillo cooling tower gearboxes in stock and available for immediate shipment. For nearly a century, we have provided exceptional quality equipment and service to the hvac, process cooling, industrial, and. A torsional instability appeared due to a steep slope of the induction motor starting.
Due to the gearbox location in a cooling tower, minimal airflow. Amarillo gear has designed solutions for all of these. May 12, 2016 when you purchase an industrial gearbox, you are making an investment. Jun 22, 2015 these simple preventive cooling tower maintenance tips can help users save up to 15 percent on electricity costs. No protrusions on the mounting surface, which makes transporting and mounting easy. Recommended service intervals are the minimum for typical installations. Cooling tower noise sources fan noise low frequency blade passage tone below 63 hz spraying and splashing noise of water higher frequencies motor, belts or gearbox noise intake noise level typically 5 db less than discharge noise increases with fan speed. Check fan blade pitch for uniformity and correct adjustment. With these oil analysis and vibration techniques, monitoring has been done and gear box. Over the past 50 years, amarillo gear has grown to understand all of the demands that are put on a gearbox operating in a cooling tower. Maintenance of gearboxes is difficult and expensive, given the. Flange mount designs are available in a wide torque range in.
Abstract this paper intended to the damage of cooling tower of our plant a detail case study of the incident. Maintenance and failure of the gearbox, and associated components, is often problematic with traditional systems. Cooling tower and gearbox overhaul free download as word doc. Water cooling towers, therefore, are energyefficient, and cheap to operate and maintain. Operation of cooling tower counterflow design 5 counterflow design. These repairs can be avoided by removing the contaminant with a filtration. 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. Fan motor bearings evapco evaporative cooling units use either a t. In the case of total replacement, the gearbox is shipped to one of brad. The baldorreliance rpm ac direct drive cooling tower elminates these problems by coupling the motor. For nearly a century, we have provided exceptional quality equipment and service to the hvac, process cooling, industrial, and refrigeration markets.
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. Backstop uses the internal gear oil for lubrication. Cooling tower and gearbox overhaul gear bearing mechanical. Cooling towers of ewkda type do not contain distinct protection for vbelt drive, since it is. For the reduce of the heavy expenses analysis is done. Gear lubrication cooling towers, closed circuit cooling.
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