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Purpose of Cooling Tower Cleaning Chemical :
The primary reasons for chemical cleaning of boilers/ heat exchangers are to prevent tube failures & improve unit availability. Tube failures in low pressure boilers/heat exchangers are normally the results of creep which occurs when internal deposits produce excessive metal temperature. A relatively smaller quantity of deposit creates difficulties in high pressure boilers. Caustic corrosion & hydrogen damage, which occur only in the presence of deposits, may cause tube failures at temperatures well below the creep limit. Deposits originating both from fabrication & during operation should be considered potential problems. All the pressure parts of steam generator may be subjected to heat treatment of some sort during fabrication or erection during forming operations, stress relief, welding or bending. Whenever carbon low alloy steels are subjected to high temperatures in the presence of air, oxidation occurs, the oxide produced is known as mill scale. Mill scale on boiler/ heat exchanger tubing is normally very thin with the exception of areas near welds & bends. Even where mill scale is initially uniform its brittleness upon cooling may produce flaking. The resulting non-uniform surface is undesirable from the standpoint of corrosion susceptibility. During operation mill scale is rapidly eroded from the steam generating surfaces & may subsequently be redeposited in critical areas. Preoperational acid cleaning removes mill scale & serves to remove atmospheric rust which inevitably accumulates to some degree during erection. After a boiler / heat exchanger placed into service, numerous solid constituents may enter the units with the feed water & some portion of the insolubles can be expected to deposit on surfaces. If not removed these deposits accumulated over a period of time can minimize the quantity of these materials; however, complete freedom from deposition is not possible in a high pressure system. The need for occasional chemical cleaning during the life of the equipment has become a recognized fact & should be accepted as a routine maintenance practice. A frequency of service cleaning of every 3 to 4 months is recommended. This frequency should be increased if individual unit operating history dictates. OFF LINE COOLING TOWER CLEANING CHEMICAL COOLING TOWER CHEMICAL is designed to remove the scaling& corrosion products from boiler& cooling water circuits , heat changers etc. It is a liquid formulation to remove hardness & low concentrated silica scales that can be removed offline by circulating its dilute solution of the chemical. It is a balance formulation of Hydrochloric Acid, Dispersant Wetting Agents & Corrosion Inhibitor. BENEFITS
POWERFUL DESCALENT. COOLING TOWER CHEMICAL is safe & non-corrosive for descaling ,it dissolves hardness scales quickly & complectly.. SAFE FOR METALS .
BOILER CLEANING CHEMICAL contains a synthetic polymeric corrossion inhibitor which forms protective film on the parent metal surface to prevent acid attack . DETERGENT ACTION .
COOLING CLEANING CHEMICAL contains a wetting agent which emulsifies oil grease present in the deposits. The detergent action of Aquablend-DS loosens dirt ,silt,algae etc which can be removed during water flushing. APPLICATION. CLEANING CHEMICAL should be dosed in 5-10 % solution in water . warm water may be used for faster action . normally the quantity of scale required depends upon the operating condition quantity of scales and hold up , Numatik Engineers Pvt Ltd will provide technical assistance to setup optimum dosage according to operating conditions and system. STORAGE & HANDLING
COOLING TOWER CLEANING CHEMICAL should be stored in an air tight container away from direct heat. Always store at cool & dry place.. Wash thoroughly with water in case of contact. Do not swallow.
COOLING TOWER CLEANING CHEMICAL is available in 20 Kg & 35 Kg. HDPE CARBOY. COOLING TOWER CLEANING CHEMICAL
Whether your cooling tower is large or small, it has chemical treatment requirements that must be met accurately and reliably to control corrosion, scale and deposits. Chemicals injected include:
- Corrosion inhibitors
- Scale inhibitors
- Dispersants
- Biological control agents
- Coagulants
- Flocculants
Until now, your choices in treatment systems were limited:
You could obtain an unreliable, minimum-capability system from your chemical supplier¦
Or you could spend your design resources on a custom-built system.
Either way, it was hard to get the right combination of capability and cost.
We have Solution for above problems they are:
Aquablend 04 Scale
AQUABLEND- 04 is a liquid formulation designed protects ferrous as well as copper equipment from recirculating cooling water system. It contains no heavy metal formulation and powerful scale inhibitor to control precipitation of calcium phosphates, carbonate & sulphate. Along with a catalyst it also contains dispersant to keep suspended matter such as silt, metal oxides, etc in dispersed form avoiding deposition on heat exchangers.
Aquablend QAT Biocide
AQUABLEND-QAT is biodegradable ,wide spectrum organic liquid micro biocide based on quaternary ammonium compounds used in industrial recirculating cooling water systems. AQUABLEND-QAT controls build up of biological slimes & sulphate reducing bacteria. Aquablend PNT Biocide
AQUABLEND-PNT is a powerful anti foulant for treatment of recirculating cooling water. It is a wide spectrum liquid microbiocide for checking microbiological growth. AQUABLEND-PNT controls build up of trouble-some bactria in industrial cooling water.a powerful dispersant keeps slit & similar foulants in suspension.
Aquablend CBT Biocide
AQUABLEND-PNT is a powerful anti foulant for treatment of recirculating cooling water system. It is a wide spectrum liquid micro biocide for checking microbiological growth. AQUABLEND-PNT controls build up of trouble-some bacteria in industrial cooling water powerful dispersant keeps slit & similar foulants in suspension.
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