Maintenance Prodecure And Methods Of Closed Circuit Cooling Tower
JC Equipments Pvt Ltd is the leading ISO 9001-2008 certified manufacturer and exporters of Cooling Towers and Heat Exchangers since 1989
. We assure to supply our branded products at very competitive price with excellent quality performance and timely dispatch to satisfy our customers. We provide full service from Cooling Tower and Heat Exchanger selection, design, operating / condition computation, manufacture, delivery and installation.
We are leading manufacturers all types of Closed Circuit Cooling Tower, industrial FRP Cooling Tower Timber Cooling Tower, Dry Cooling Tower, Natural Draft Cooling Tower, RCC cooling tower in India. Our product
ranges are Bottle Shape FRP Cooling Tower, Square Shape FRP Cooling Tower, Seamless FRP Cooling Tower, Cross Flow, Counter Flow, Induced Draft, mechanical, Atmospheric, Timber Cooling Tower, Wooden Induced
Draft Cross Flow, Radiator Coil Type, Dry Cooling Tower, Natural Draft Cooling Tower, RCC - Reinforced Concrete Cooling Tower closed circuit and open circuit.
Maintenance Procedure for Closed Circuit Cooling Tower:
An Evaporative peice of tool that contains two seperate fluid circuits.
1. The Water is reveal to the atmosphere as it arrange over the tubes of a coil bundle.
2. Fluid to be cooled pass around inside the tubes of the coil bundle.
Maintenance Service Types:
1.Check Fan for Rotation Without Obstruction
2.Check Fan and Pump Motor for Proper Rotation
3.Drain Basin and Piping
4.Inspect Protective Finish
5.Check and Adjust Basin Water Level
6.Inspect General Condition of Unit
7.Clean Debris from Unit
8.Clean and Flush Basin
9.Clean Basin Strainer
10.Lubricate Fan Shaft Bearings
11.Inspect Heat Transfer Section
12.Inspect Spray Nozzles
13.Check and Adjust Fan Belt Tension
14.Check and Adjust Bleed Rate
15.Check Operation of Make-up Valve
16.Check Unit for Unusual Noise or Vibration
17.Check Fan Bearing Locking Collars
18.Check Motor Voltage and Current
19.Lubricate Fan Motor Bearings
20.Lubricate Motor Base Adjusting Screw
Startup Maintenance on power:
1.Check and clean inlet air screens, fans, eliminators,heat transfer sections.
2.Drain the cold water basin (with basin strainers in place) and flush to remove accumulated dirt.
3.Remove, clean, and replace basin strainers.
4.Activate the fan(s) by own hand to confirm that obstruct without rotation
5.Check the locking collar on each fan bearing assembly and tighten as required.
6.Check and, if necessary, adjust the fan belt tension.
7.Prior to seasonal start-up, lubricate the fan shaft and motor bearings.
8.The ball bearings are factory lubricated, but should be re-lubricated if the unit has been sitting on site for more than a year before start-up.
8.Check float operated make-up valve to be sure it is operating freely.
Maintenance after power down:
1.Drain the cold water basin and all piping that will be exposed to freezing temperatures.
2.Clean and flush the cold water basin with the basin strainers in place. Leave the cold water basin drain open so rain and melting snow will drain from the unit.
3.Clear the basin strainers and re-install.
4.Lubricate and clean the fan shaft and adjusting screw of motor bearings and motor base
5.Close the shutdown valve in make-up water line and drain all exposed make-up water piping.
6.Check the coverage cap and finish on the unit. Clear and refinish as their requirement.
by:Jeyakumar
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