Gearboxes are used as speed reducers to slow the rotational speed from the incoming motor to the outgoing fan of a cooling tower. All three cooling tower fans were 6blade, driven via right angle. Gear lubrication cooling towers, closed circuit cooling. Factors affecting cooling tower performance range, flow and heat load range is a direct function of the quantity of water circulated and the heat load. Normally during summer season the air density is low. Maintenance of gearboxes is difficult and expensive, given the location. Marley series 2200, 2250 and 2400 geareducer user manual. The mct with companion monitor has two alarm relays that can also be wired to shut the tower fan down if matters become dangerous. Cooling towers and cooling tower parts spx cooling. 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. It will likely take around 2 years for your gearbox to fail. Contamination within a gearbox can result in costly repairs. Torsional instability of cooling tower fan during induction motor startup akira adachi senior engineer toyo engineering corporation narashino, chiba, japan brian murphy president rotating machinery analysis, inc. To prevent the environmental, safety, and profitability impact of failure, the cooling tower systems must run continuously, without issue.
Improper gearbox sizing as it relates to the motor and fan can result in excessive vibration, loud operation and structural damage to the tower. 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. Our intuitive filters help you find the product that best suits your application. Get best price and read about company and get contact details and address. 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. Increasing the range as a result of added heat requires an increase in tower size.
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. Maintenance and failure of the gearbox, and associated components, is often problematic with traditional systems. On a belt driven cooling tower fan it is important to collect vibration data on the fan inboard pillow block bearing, on. Cooling tower fan blade pitch angle is the angle made by the fan with the plane.
In large cooling tower applications, the fan typically operates at a speed between 100200 rpm. Stress inside the shaft can damage couplings, cause bearing fatigue. Download the pdf below to learn more about a filtration and sampling solution that can help you reduce costly oil changes, repairs and downtime. Operation of cooling tower counterflow design 5 counterflow design. Spx understands the gearbox is an important component in meeting your cooling needs. Amarillo gear service can service your cooling tower gear drives. Cooling tower fan blades pitch angle is varied depending on seasonal requirements. Look for downtime threats in gearboxes and elsewhere. Hansen industrial gearboxes offer versatility for your most demanding applications and are engineered with a robust design, featuring. Discover the trico cooling tower gearbox protection kit. The cold water basin should be flushed and cleaned with the suction strainer screens in place.
The offered product is used in both industrial and commercial applications. Mandy parks, component sales manager cooling tower depot, inc. Identifying and addressing common failure modes makes it possible to keep a plant operating. Wireless vibration monitoring for motor and gearbox combination. For general operating conditions, agma lubricant number and corresponding viscosity range should be as shown in the table below. Again, this will be a first issue releasing the actual engineering approach. Select one of the following system solutions that works best for your application. Cooling tower and gearbox overhaul gear bearing mechanical. 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 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. Use only rust and oxidation inhibited gear oils in accordance with agma standard 9005d94. 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. Do you need quick and easy access to your gearboxs operation manuals. Providing proper installation, maintenance and operation of the series tci cooling tower is the owners responsibility, and is required for safe and efficient operation. 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. East side of urea cooling tower of lineii suddenly collapsed at 7.
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. Premium transmission cooling tower gearbox introduction. 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. These repairs can be avoided by removing the contaminant with a filtration. Key component of the cooling tower fan is the gearbox. Cooling tower applications food processing facilities. Transmitter provides insight into the health of cooling tower gearboxes and motors. If you read this book carefully, you can make any cooling tower design programs by yourself. One of the most important components to maintain is the cooling tower gear drive. Cooling tower depot is the largest stocking supplier of new amarillo gearboxes in the world. Moreover, our cooling tower gearbox is available in accurate. If the hot water temp is constant and the range is specified with a lower cold water temp, then the tower. A cooling tower is heat removal device that uses water to transfer process waste heat into the atmosphere.
Brevard, north carolina akira adachi is a senior engineer for toyo engineering corporation in narashino, japan. Datasheets for your amarillo gear company gearboxes. 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. Cooling tower fill media what is cooling tower fill media. Condition monitoring of cooling tower fan gearboxes by wear debris and vibration analysis a case study. How much do you know about your cooling tower gearboxes. Cooling tower gearboxes rmr has a history of rebuilding cooling tower gearboxes. We offer quality tested and easy to use cooling tower gearbox to our patrons. Abstract this paper intended to the damage of cooling tower of our plant a detail case study of the incident. 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. If you maintain your gearbox properly a gearbox can last 10 15 years.
They are supplied with permanently lubricated bearings and special moisture protection on the bearings, shaft and windings. Paharpur designs its own parts and components specifically for cooling tower operation. Failure to follow the guidelines provided in this manual may result in poor performance, unnecessary equipment failure and down time. Please refer to your operation and maintenance manual for complete information lubrication. Cooling tower and gearbox overhaul free download as word doc. We realize that if your cooling towers gear box fails, you cant wait weeks or even days for a replacement to arrive. The customer had already prepared to have the gearbox changed, but wanted confirmation via vibration analysis prior to performing the work. Cast iron helical,bevel cooling tower gear box, power. 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. Plant operators and maintenance engineers must effectively manage a variety of cooling tower service issues, whether scheduled or.
Amertechtowerservices ats can also provide cooling tower gearbox rebuilds and spare parts like gear sets, bearings, seals, among others. No protrusions on the mounting surface, which makes transporting and mounting easy. 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. Discover industry tips to prevent failures and to optimize your cooling tower.
Wetbulb temperature wet bulb temperature is the lowest temperature that can be reached by the evaporation of water only. We now have most models of amarillo cooling tower gearboxes in. Each refurbished gearbox is assured to have high quality approved parts. Cooling tower applications food processing facilities cooling towers are used in food processing plants all over the world. Cooling towers, while sturdy machines, require detailed inspections to ensure that they are operating at peak efficiency. These motors are built to cooling tower duty speci. The objective of installing mcts is to prevent unscheduled failures to protect both the personnel and the machine. It is the temperature one feels when ones skin is wet and is exposed to moving air. Fill media is by far one of the most important cooling tower. Find the perfect datasheets you need for your gearboxes that are designed and manufactured by amarillo gear company. Click on our product selector to quickly find the right product from our entire lineup. We have been stocking gears, bearings, and seals for cooling tower gearbox reducers of all types.
The evaporative cooling unit cold water basin should be drained. In the scope of the tower cost, the gear box cost is minimal. The experts at amarillo gear service in amarillo, texas can help you. Elecon has already manufactured several sizes of gear boxes for cooling tower application which are designated as kbvct. Vibration monitoring of cooling towers applications cooling tower fans have uses in multiple industries.
Gold cooling towers offering cast iron helical,bevel cooling tower gear box, power. Power transmission solutions for cooling towers rexnord. Your gearbox operations can make or break your cooling tower performance. With our vast industrial experience, we are engaged in offering bulk of cooling tower gearbox. Condition monitoring of cooling tower fan gearboxes by. Optimized explicitly for running cooling tower fans. How to protect the hardtoreach cooling tower gearbox. Spx cooling technologies has inhouse engineers that have. Geareducer, specifically for cooling tower applications. Paharpur cooling towers adapt well to enclosures, the designer must realise the potential impact of a poorly arranged enclosure on the towers performance and operation. For nearly a century, we have provided exceptional quality equipment and service to the hvac, process cooling, industrial, and refrigeration markets. Solutions to cooling tower gearbox pain points power engineering. Shaft misalignment due to the length of the shaft in a cooling tower and the thermal changes that the shaft experiences, misalignment is a common issue.
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. Gearbox operation manuals from amarillo gear company. 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. Evolution of cooling tower gearboxes power transmission blog.
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