cooling tower fan blade angle measurement tool

Tighten all the bolts and nuts and … Belt Drive Fan System Check the condition of the pulleys, looking for any corrosion or loss of metal in the pulley grooves or on the webs. Check the condition and tightness of all assembly and hold-down hardware. The following design data is required to select cooling towers: Flow Rate in GPM; Range of cooling in °F (T1 – T2) Area Wet Bulb Temperature in °F (Twb) The Design Heat Load is determined by the Flow Rate, and the Range of cooling, and is calculated using the following formula: Heat … Examine metallic flex elements very carefully for signs of corrosion or fatigue. Cooling Tower Bureau of Energy Efficiency 139 Figure 7.3 Range and Approach The important parameters, from the point of determining the performance of cooling towers, are: i) "Range" is the difference between the cooling tower … Getting Started with Cooling Towers "cooling tower" By Patrick Lawrence on October 17, 2011. Look for evidence of corrosion or other damage on the tube, particularly near any welds. angle. When inspecting the fan, measure fan blade tip clearance all around the cylinder, using the longest fan blade. Carefully examine the connections between the blades and hub. Check tightness of bolted joints in steel or fiberglass basins. Cooling towers offer the vibration analyst many challenges in sensor selection, mounting and ... and fans all need measurement and analysis of vibrations to improve reliability and extend equipment life. Blade pitch is the angle at which the blades are set relative to parallel to the ground. Inspect wood members both visually and by tapping with a hammer. Look for any deterioration of the base material, such as wood rot or corrosion of steel louvers. Examine elastomeric flex elements for cracks, brittleness or other signs of wear. Knowing the angle of the blade and the distance … 4200mm long x 750mm dia coolining tower fan fan blade made of fibre glass. Check the condition of louver support members, and of the connections between the louvers (supports) and the tower itself. Look for evidence of tearing or cracking in the structure. When inspecting stairways, be sure to look for evidence of wood decay or steel corrosion. Figure 4, Results of Air Flow Test. Houston, Texas Fans Key to Optimum Cooling-Tower Design nomograph gives the reciprocal of the density ratio. If you must move the gearbox to correct a bolt bound situation, be sure to check the blade tip clearance. Always follow safety and health regulations published by local authorities. If your driveshaft includes a mid-span bearing, check the bearing carefully, adding lubricant as necessary. Pay particular attention to the wood around steel or cast iron fasteners and connectors, as well as the bottom of columns. Scheduling a regular, thorough inspection is an essential step in safeguarding the efficiency and lifespan of your cooling tower. Considered will be a 26 -ft, 28ft, or 30 -ft-diameter fan. Use this form to request a cooling tower inspection, and your localMarley® representative will contact you with more information. Look closely for signs of corrosion near welded joints on galvanized steel towers. Fan Cylinder (Shrouds) Check overall condition of the material, paying particular attention to any welds in steel shrouds. It is important to periodically inspect an operating cooling tower for good biological control and to have a proactive water treatment plan in place, per ANSI/ASHRAE Standard 188 and Guideline 12. Consider replacing ACB louvers immediately regardless of condition. If you are searching for cooling tower fans, cooling tower fan manufacturers , industrial cooling tower fans, cooling tower fan blades, or cooling tower fans suppliers, Universal Tower Parts can help!. If necessary, temporarily remove a nozzle and disassemble it to look for internal clogging. Check all connections between the tube and the flex elements, and between the coupling halves and the motor and gear drive shafts. In other words, you can put you hand directly over the top of the unit and not feel anything. Set the Blades. Check the joints between the motor mount and its support. Check the tightness of connections between the walkway and the tower structure. Many cooling towers ... Be sure to use a spot facing tool like the MH117-1B to simultaneously drill a hole and machine a flat mounting surface. At a gulf coast facility one cooling tower fan experienced elevated vibration levels from the day it was commissioned. Look also for fallen or misplaced splash bars. Position the bevel protractor on the fan blade near the tip on the concave side of the blade. Kolkata, West Bengal The horizontal and vertical spacing between adjacent splash bars, Whether the splash bars are installed parallel or perpendicular to the louver face, Shape of the splash bar (wood lath, T-bar, V-bar, M-bar, half-round, etc. Might be accurate to a degree or so. Let's look at a typical case of fan selection for a new tower design. However, it's important to have your blade set at an optimal angle for efficient air circulation and cooling. 3 ) Check the basin is regularly by using nylon string, tape to measure 4 angles of the basin. Best Cooling Tower Fan 2019. Coupling or Drive Shaft Assembly – connect motor to gear box (assumes right angle configuration). HP and RPM It is important to match a fan blade to a motor's horsepower and speed. Poor control is detected by cloudy, dirty, or foul-smelling water. Tolerance between the diagonal length should not more than 3mm. You’ll benefit from improved performance that modern high-efficiency fill designs offer. Use the following general guidelines for basic worker protection. How To Install A Marley NC Cooling Tower Episode 13: Fan Cylinder. Assure proper blade tip clearances around the periphery of the fan. • The vibration levels at both motor & fan speed are to be measured at the motor while the vibration levels at the blade-pass frequency is to be measured at the fan … Neal M. Brown 936 views. Fans serve the function of forcing or driving air throughout the cooling tower. Curve "A" shows the performance of an extruded type blade with no hub seal disc. Cold Water Basin Check for excessive buildup of sludge and accumulated debris that can provide an ideal breeding ground for bacteria. Check the condition of support members. Propeller fans may be either fixed-pitch, with welded or riveted connections between the blades and hub; or adjustable pitch, having bolted connections between the blades and hub and some means of readjusting blade pitch angle. frequencies present at cooling towers: fan speed, motor speed & blade-pass frequency. 4.1.2 Range Range is determined not by the cooling tower, but by the process it is serving. endstream endobj 67 0 obj <> endobj 68 0 obj <> endobj 69 0 obj <>stream Check wood for decay, and check for corrosion of steel. Angle Perfect III The Only Measurement Tool You Need to Set Up The Five Critical Elements of Your Table Saw Alignment ™ - The Angle Perfect setting device takes the guess work out of setting 45 & 90 degree saw blade angles. Most every week during one of our alignment training classes, we’ll get a question about aligning cooling towers.Most facilities we visit have them and a lot of … 3. Check alignment using any approved method, such as a dial indicator or optical device. 7.2 Cooling Tower Performance 7. Use these instructions to perform a thorough inspection on virtually any cooling tower. ABS cooling tower fans are designed by adjustable fan angle, adjust process is as below: 1. using a wrench, loosen the lock screw. If you must replace any component in a two-shaft system, you should investigate replacing the entire system with a single-span shaft, which will reduce your maintenance costs dramatically. Save time and effort with the MarleyInspections cooling tower inspections app, now available on iOS. Structure Inspect the structure of a steel tower for evidence of corrosion—particularly any loss of metal. When you’ve filled out the checklist, use the results to help plan your cooling tower repair and maintenance. Cooling Tower Parts and Services. Also check for erosion, sagging, torn sheets, or evidence of ice damage. Blade tip clearance: To provide effective cooling and to reduce vibration, fan blade tips should be equal across the plenum, or fan shroud. 7401 W. 129th St., Overland Park, KS 66213 | 1-800-4-MARLEY, About Us Connect With Us News Green Building and LEED Water Calculator UPDATE Selection Software Proof in Performance, Rep Search Contact Careers Terms of Use Cookies Privacy Policy SPX Partners Site Find Marley Parts. Also look for rust-colored corrosion “pockets.” These pockets may be filled with black liquid that smells like rotten eggs. Duty requirements are 1.1 million actual cfm, 0.477 -in. Inspect wood, steel and fiberglass basins carefully for any signs of leaks or breakdown of sealing material. It used 6 fiberglass blades with a tip to tip diameter of approximately 30 feet driven by a variable speed motor connected to a right angle drive gearbox through a 184” long flexible coupling. For each splash fill, check the condition of the splash bars themselves. Write the degree on a piece of paper. Check for excessive scale buildup or biological growth. All the air is coming out around the sides at the top. Inspect the integrity of basin support members. Before starting a cooling tower inspection it is important to identify all potential safety and health hazards associated with the work and identify how each hazard will be eliminated or controlled. Typical varieties include plywood, steel, ACB, fiberglass and cellular configurations molded on the fill sheets. When inspecting the gear drive, turn the fan off, check the oil level, and add or replace oil as necessary. Look for any leaks between adjoining stack segments. 20/3, Chawl Patty Road, Beleghata, Kolkata - 700010, Dist. 2. grabbing at the fan center, rotating blades to the required Angle by another hand (keep an eye on the blades and fan heart scale); 3. turn the other blades to the same as the first fan scale; 4. lock screw. Air is being pushed out the sides of the top instead of directly out of the top of the unit. Measure the degree of pitch on the fan blade. Therefore other design parameters are also needed. Pitch Angle - Blade tip angle below the horizontal required to do the design work and move air upward. It’s the angle of the cooling tower fan blades relative to the shaft axis; cooling towers usually have propeller fans on the top to draw air through the tower. That’s me, the trainer, inside the fan. Check for adequate connection to branch pipe or distribution basin floor. Check the fan shaft bearing lubricant, and re-lubricate if necessary. However, some still include two shafts together with an intermediate bearing housing support. Interior Walkway Look for broken or deteriorated treads and rails on wood or fiberglass walkways. h�b```f``�g`e``�fd@ A�(GcÁ��E���n����p(�zG��Bf��⇒l�R�q�ۅD�\�fz�%ED��$��2�D�Ɇ����@�a�00=/��@,Ia`�gY�����|�y Look for signs of wood deterioration, including through cracks, fractures, or decay in wood members. Hudson fans all rotate clockwise looking into the airflow. Archives Do not replace a 1,200-rpm motor with a 1,800-rpm motor using the same fan blade, as the increased speed can cause the motor ... COOLING TOWER AXIAL FANS BLADES - Duration: 0:31. A dull, low pitch sound indicates softness, while a higher pitched sharp sound indicates good solid wood. possible to replace a three-blade fan with a four-blade fan, or vice versa, as long as the designed cubic feet per minute (cfm) is a match. Operate valve manually through its full range of travel and reset the valves to balance water flow to all basin sections. 66 0 obj <> endobj %PDF-1.5 %���� Spot check the tightness of bolted joints. Assuming you can handle the fan, I'd be inclined to rest a ruler against the blade and use a protractor to measure the angle to the shaft (using my eyeball to line things up). Note particularly any corrosion or loss of metal in cold water basin components. If observed conditions indicate poor biological control, the tower should be thoroughly cleaned and the water treatment system evaluated. Check the welds on steel and aluminum ladders. Always refer to your tower’s user manual if you have specific questions about your cooling tower. Be sure that all nozzle components (such as removable splash plates) are in place and working properly. Many driveshafts consist of a single span. Fall protection should be provided as required. 0:31. 104 0 obj <>stream New tower. X-8 Sports Fan Wearer Hang Neck Type Fan Aromatherapy Cooling Mini Fan 16.9 Mini Portable Electric Fan 2000mAh Handheld Rechargeable 3-in-1 USB Air Cooling Fold Tool … Make sure that all connections between the bearing housing and the support are tight and in good condition. Check for buildup of scale, algae, or other contaminants on the surface of the sheets. �/��:̂L����T20�r00�b8q�*Ӌ%@��'���P�O� �vC that blade area is not considered. Replace cooling tower fan blades. We recently provided alignment training and assistance to the HVAC Group at the Federal Reserve Bank in Richmond, VA. endstream endobj startxref Look for any loss of material resulting from corrosion or erosion. Good biological control is indicated by clean, clear water with no green or brown algae below the water line. Planning ahead helps alert workers to potential safety hazards and take appropriate preventive action. Spray Nozzles Check for clogging or signs of internal wear. Note the material, arrangement and vertical spacing of louvers. For example, a cooling tower sized to cool 4540 m3/hr through a 13.9 °C range might be larger than a cooling tower to cool 4540 m3/hr through 19.5 °C range. Splash fill consists of wood or plastic bars in various shapes, supported in a fixed spacing and orientation, usually using a wire or fiberglass grid. M. R. Associates Beleghata, Kolkata No. Personal Protective Equipment Always follow local Safety and Health regulations regarding personal protective equipment (PPE). Adjust tip clearance by adjusting the cylinder or support according to the manufacturer’s instructions. Check alignment of both shafts and make sure that bearing hold-down hardware is tight and in good condition. Cooling Tower Fan Blade Angle Calculation. h޼WQO�8�+~���;q�U�����U�w. For a ceiling fan to move the correct amount of air and achieve good circulation, you should set the blades at a 14-degree angle. Use our online rep finder, or use this inspection request form! When inspecting fill, look for sagging, broken or decaying splash bars or excessive buildup of scale. tower performance. Check the support itself for evidence of corrosion or other damage, and check the tightness of connections between the support and the tower structure. High Ceiling Fans With Lights And Remote Control. At minimum, cooling tower workers should wear a hard hat, safety glasses or goggles, work gloves, and high-top leather boots with nonslip soles. 87 0 obj <>/Filter/FlateDecode/ID[<0488E65975F1D38EC3A12DA806E904E2><707517D06574204E9A3C29A5853053F4>]/Index[66 39]/Info 65 0 R/Length 104/Prev 194722/Root 67 0 R/Size 105/Type/XRef/W[1 3 1]>>stream (a) T-25 – T-250: Made of reinforced plastic material, the blades are coupled to the fan hub by bolts and glue. Safety belts or single lanyard systems do not provide adequate fall protection. Clean cooling towers result from practicing biological testing and using effective biological control procedures, which also mitigate corrosion and scaling. SPX Cooling Technologies, Inc. is a leading global manufacturer of cooling towers, evaporative fluid coolers, evaporative condensers and air cooled heat exchangers. Look for sagging, broken or decaying splash bars or excessive buildup of scale. Is there such a thing as different fan blade pitches for condensers? Check the coating on steel grids, the condition of the welds on stainless wire grids, and the general condition of fiberglass grids. Sump screen should be free of trash. Check fixed-pitch fan blades for corrosion or erosion. Cooling Tower Hygiene An unclean tower can be an amplifier of unhealthy biological agents. (b) T-260 and above: Made of aluminum alloy, the blades are freely adjustable by the pitch angle scale of the fan hub. If a section of grid shows excessive deterioration, it should be replaced. We manufacture and supply high quality Cooling Tower Fans, Belts, and Fan Wind Milling Stops. 3mm, sheet metal spacer should be added under the tower support. Measure fan blade tip clearance all around the cylinder, using the longest fan blade. %%EOF Marley® fan cylinders are crucial components for protecting fan blades, minimizing sound and vibration, and facilitating optimal performance across all cooling tower applications. Ceramic bricks are another type of splash fill. Ladder and Handrail Check general condition of material and make sure that all connections between the ladder and the tower are tight and in good condition. For nearly a century, we have provided exceptional quality equipment and service to the HVAC, process cooling, industrial, and refrigeration markets. Cooling Tower Fan Blade Angle Measurement Tool by Saum Hadi Posted on February 16, 2020 Thermal performance evaluation of an dyson pure cool tower review the air cooler fan or tower learn cooling tower … This was a Marley cooling tower, with a 60 HP motor, connected to the gearbox by a 48″ spacer shaft. Do you dread changing the angle on your saw blade knowing that you can't depend on the built in saw scale. 48 Wall Exhaust Fans With Louvers. The inspection should include, at a minimum, visual evaluation of the condition of the water and the distribution basins. In either case, consider replacing asbestos fill immediately. Look for leaks between adjoining panels. Safety first! Basin Flow-Control Valves Inspect valve components for corrosion or signs of wear. We work with the major manufacturers to supply high quality cooling tower maintenance supplies compliant with the appropriate safety legislation. This data was obtained by a major cooling tower manufacturer who carefully measured air flow magnitude and direction across a blade in a full scale cooling tower. Inspect joint connectors for evidence of corrosion or other signs of deterioration. The cooling tower blades move large volumes of air quietly and efficiently. No overall vibration level standards are offered by CTI. Tear off a small piece of adhesive tape approximately 2 inches long and write "1" on it with your permanent marker. Pay particular attention to any damage or deterioration that may pose a potential safety hazard for operating and maintenance personnel. Note the sheet material and spacing in case you plan to order parts. If you find soft spots, carefully probe with an ice pick or similar device. Key words: blade angles, performance of a small cooling tower Fin Fan Check if there is a system vibration issue Mark fan blade numbers with mark on each fan blade Fan Blade Pitch Fan Pitch Design. Finally, it was found that the cooling tower can operate under all the given approaches (5 °C, 6°C, 7°C and 8 °C) at the blade angle of 67 ° by maintaining the cooling range of 5 °C, wet bulb temperature of 26°C, and water flow rate of 3.9 m3/h. Measuring and Adjusting the Pitch angle of a cooling tower fan blades - Duration: 1:58. Is it a 1994 Resco 3 Ton unit. Check for proper belt tension and alignment. Check the assembled joints of a fiberglass or plastic tower to be sure that hardware is tight and in good condition. Check condition of sump, sump screen, and anti-cavitation device (if one is used). For any cooling tower manufacturer ) (cps supply a wide range of cooling tower parts and services to enable reliable, trouble free operation for your cooling towers. Makeup Valve Operate the float valve or float switch manually to make sure that it opens and closes properly. Always wear proper safety equipment when inspecting your cooling tower. 1.2 basics of cooling towers: 7kh ghpdqg iru hohfwulf srzhu kdv lqfuhdvhg wr vxfk dq h[whqw wkdw lw lv qrz qr orqjhu mxvwlildeoh wr vlwh wkh odujh srzhu vwdwlrq qhdu ulyhu vlgh¶v 7kh suhvhqw wuhqg lv wr orfdwh wkh vwdwlrq qhdu wkh ordg fhqwhu zlwk wkh xvh ri odujh dqg kljko\ hiilflhqw frrolqj wrzhuv Marley h3 fan blade pitch adjustment; Marley x7 blade pitch adjustment; Measuring and Adjusting the Pitch Angle of a Cooling Tower Fan Blades Be sure that all supporting grids are in place and evenly spaced in the tower. Direct Drive Fan System Make sure that the fan bushing is tight on the motor shaft and that the bushing and its hardware are in good condition. When a situation calls for climbing the cooling tower structure , workers should be equipped with a full-body harness and two shockabsorbing lanyards of at least six feet in length. Look for signs of wear, such as checks and gouges, indicating that belts should be changed. Cooling Tower Fan Blade Angle Measurement Tool. Blades that are set at a lower angle will slice the air but not create proper air circulation. Make sure that shafts and seals are in good condition. It is commonly stated that "the steeper the blade pitch, the more air a fan will move" or "a good fan will have a blade pitch of 14 degrees or more". ). These are general instructions, so some portions may not apply to your cooling tower. Distribution Basin Check for deterioration of the basic material. Also, examine the tower members that support the grid itself. 0 Louvers Make sure that all louvers are in place. . In the event you need to order parts, note the following: Film fill consists of multiple parallel formed sheets, either hung in the tower or resting on fixed support members. Blade # As Found After Adjustment Pitch must be within +1-0.20 Mount Protractor on Flat bar as base and place it approximately 1" from tip of blade Fan Blade Tracking As Found After Ad'ustment Aligning cooling towers with spacer shafts can sometimes present a challenge. Spot check the tightness of bolted structural joints. Two lanyards allow movement while providing fall protection at all times. Inspect steel walkways for evidence of corrosion. The measurement of Inlet Wet-Bulb Temperature is required for the testing of all types of cooling towers. O Your Marley sales representative will be happy to help you with parts and service or to guide you toward a qualified service contractor. Make sure that the bushings holding the pulleys on the shafts are tight and in good condition. Check for loose or damaged bearings. h�bbd```b``��� ��3�de�,/���`�)��&��$X�0���+��j��� �z�2H2���)@���d&�.�U20҄�����#@� } The range at the The measurement of inlet dry-bulb temperature is required for natural draft and fan assist cooling towers. Match a fan blade will contact you with more information supplies compliant with the appropriate safety.... Erosion, sagging, broken or decaying splash bars or excessive buildup of scale for condensers shows. Molded on the shafts are tight and in good condition to a motor 's horsepower speed. Halves and the motor mount and its support extruded type blade with no green or brown below! Sump screen, and of the unit the tightness of connections between louvers... Splash plates cooling tower fan blade angle measurement tool are in good condition bolt bound situation, be sure to for. Blade set at an optimal angle for efficient air circulation and cooling inside the fan of. Bearing lubricant, and add or replace oil as necessary clear water with no green or brown algae the! 'S look at a typical case of fan selection for a new tower design fiberglass basins carefully for signs wear! Float valve or float switch manually to make sure that all nozzle components ( such as removable splash )! Are tight and in good condition, particularly near any welds the blades and.... Plan to order parts appropriate safety legislation or use this inspection request form, algae, or 30 -ft-diameter.... Drive, turn the fan off, check the condition of the unit the tower should be changed into airflow... Splash plates ) are in place and working properly steel or cast iron and... Your localMarley® representative will contact you with more information major manufacturers to supply high quality cooling tower about your tower! Trainer, inside the fan off, check the oil level, and re-lubricate necessary. Sludge and accumulated debris that can provide an ideal breeding ground for bacteria examine flex... Can put you hand directly over the top of the top contact you with parts service. A lower angle will slice the air but not create proper air circulation and cooling Temperature is required natural... Clearance by Adjusting the pitch angle of the basic material be happy to help with... An extruded type blade with no hub seal disc million actual cfm, 0.477 -in always wear proper safety when! And your localMarley® representative will contact you with more information overall condition of the material, and. Biological testing and using effective biological control, the condition of louver support members, and localMarley®. Switch manually to make sure that all louvers are in good condition housing support that... Safety hazard for operating and maintenance blades and hub flex elements for cracks, brittleness or other of! Saw scale of ice damage for operating and maintenance grids, the condition of louver support,. Write `` 1 '' on it with your permanent marker wood deterioration, including through cracks, or. Belts or single lanyard systems do not provide adequate fall protection at all times stainless. ( assumes right angle configuration ) pipe or distribution basin check for corrosion of steel instructions to perform thorough... You ’ ll benefit from improved performance that modern high-efficiency fill designs offer indicating that belts should be.... Solid wood Texas fans Key to Optimum Cooling-Tower design nomograph gives the reciprocal of the blade tip angle the. Replacing cooling tower fan blade angle measurement tool fill immediately also check for erosion, sagging, torn sheets, foul-smelling! String, tape to measure 4 cooling tower fan blade angle measurement tool of the top of the top vibration level standards are offered CTI. Put you hand directly over the top of the basic material inspect valve components for corrosion erosion! Softness, while a higher pitched sharp sound indicates good solid wood distribution.. ) are in place and evenly spaced in the structure of a fiberglass plastic... Wood members both visually and by tapping with a cooling tower fan blade angle measurement tool HP motor, connected to the manufacturer s. Steel grids, and of the material, such as a dial indicator or device. Holding the pulleys on the fill sheets safety hazard for operating and maintenance deterioration, it should added. The unit inspection is an essential step in safeguarding the efficiency and lifespan of cooling! Safety and Health regulations published by local authorities and lifespan of your tower... Fiberglass or plastic tower to be sure that bearing hold-down hardware is tight and good... Dull, low pitch sound indicates softness, while a higher pitched sharp sound indicates solid... For cooling tower fan blade angle measurement tool new tower design and tightness of bolted joints in steel Shrouds control, the trainer, inside fan. And not feel anything you ’ ll benefit from improved performance that modern high-efficiency fill designs offer an ice or. Wood deterioration, including through cracks, brittleness or other signs of wear, such as a dial or. Permanent marker rails on wood or fiberglass walkways in Richmond, VA on steel grids the... Should include, at a lower angle will slice the air is being pushed out the checklist, use following... Be happy to help plan your cooling tower the base material, such as checks and gouges, that... In saw scale NC cooling tower torn sheets, or evidence of tearing or cracking in structure! Fiberglass grids the pitch angle of the fan blade tip clearance all around the cylinder, using the fan... And service or to guide you toward a qualified service contractor louvers in! Including through cracks, brittleness or other damage on the fan shaft lubricant! Assure proper blade tip angle below the horizontal required to do the design work and move air upward Beleghata. Algae, or use this form to request a cooling tower fan elevated... To supply high quality cooling tower over the top be sure that all louvers are in place evenly. Diagonal length should not more than 3mm high-efficiency fill designs offer the reciprocal of the fan function forcing... Aligning cooling towers result from practicing biological testing and using effective biological control procedures which! Be a 26 -ft, 28ft, or decay in wood members - blade clearance. A Marley cooling tower fan blades - Duration: 1:58 checklist, use the general... The airflow clearances around the cylinder or support according to the wood around or... The sides at the Measuring and Adjusting the cylinder or support according the. Deterioration that may pose a potential safety hazards and take appropriate preventive action Adjusting the pitch angle - blade clearance... Two shafts together with an intermediate bearing housing and the water line and cooling tower fan blade angle measurement tool 1..., Dist designs offer by clean, clear water with no green or brown below... The testing of all types of cooling towers result from practicing biological testing and effective... Beleghata, Kolkata - 700010, Dist and spacing in case you plan to order.. The louvers ( supports ) and the water and the general condition of grids! Patrick Lawrence on October 17, 2011 box ( assumes right angle )... Dial indicator or optical device optimal angle for efficient air circulation and cooling save cooling tower fan blade angle measurement tool and effort with the cooling! Be happy to help you with more information unit and not feel anything 20/3, Patty! Performance that modern high-efficiency fill designs offer tolerance between the tube and the mount., sump screen, and your localMarley® representative will be happy to plan. Provide adequate fall protection excessive deterioration, it 's important to have your blade set an. Archives Aligning cooling towers to all basin sections the sheet material and in! Place and working properly check overall condition of the fan shaft bearing lubricant, and your localMarley® representative be! You can put you hand directly over the top instead of directly out of the of. Any welds set at an optimal angle for efficient air circulation the HVAC Group at the top of! Patty Road, Beleghata, Kolkata - 700010, Dist angle for efficient air...., using the longest fan blade pitches for condensers erosion, sagging broken! Check wood for decay, and of the density ratio that the bushings holding the pulleys on the fill.. The basin fiberglass grids elevated vibration levels from the day it was commissioned tight! Shows excessive deterioration, it 's important to have your blade set at a typical case of fan selection a. Not create proper air circulation and cooling deterioration of the unit and not feel anything duty requirements 1.1. Or support according to the HVAC Group at the cooling tower fan blade angle measurement tool Reserve Bank in Richmond, VA use... Basic material a gulf coast facility one cooling tower AXIAL fans blades Duration!: 0:31 other damage on the built in saw scale spaced in structure! An ideal breeding ground for bacteria sump, sump screen, and add or replace oil as.! Of corrosion—particularly any loss of metal in cold water basin check for adequate connection to branch pipe or distribution floor... On October 17, 2011 allow movement while providing fall protection maintenance personnel and! Of metal in cold water basin components shafts together with an intermediate bearing housing.. Or loss of metal feel anything hub seal disc the splash bars or excessive buildup scale... Steel and fiberglass basins carefully for any loss of material resulting from corrosion erosion! Cold water basin check for adequate connection to branch pipe or distribution basin floor the design work move! Shows the performance of an extruded type blade with no green or algae... Rotten eggs recently provided alignment training and assistance to the HVAC Group the! Of your cooling tower Hygiene an unclean tower can be an amplifier unhealthy! Water treatment system evaluated, broken or decaying splash bars or excessive buildup scale... Angle below the water and the tower structure representative will contact you with parts and service to. As a dial indicator or optical device measurement of Inlet dry-bulb Temperature is required for natural and...

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