Heat exchanger tube cleaning Baton Rouge Louisiana

Today’s high performance boilers require proper maintenance to ensure the longevity of your system. In fact, most boiler manufacturers have it written in their warranty that it should be maintained by a professional. Heat exchanger tube cleaning Baton Rouge Louisiana.

Only in Enviro Tec have the proper training to clean and maintain your system. Here is why. Heat exchanger tube cleaning Baton Rouge Louisiana. Your average installer claims to install and maintain everything. Have you had one of these people clean your boiler? What did they do? Most HVAC installers simply vacuum out the bottom of your boilers and dust off your burners and charge you with a bill. That is not a proper Heat exchanger tube cleaning. Heat exchanger tube cleaning Baton Rouge Louisiana.

Every boiler manufacturer recommends specific process and brushes to clean the inside of the boiler. Ask us how? We even provide you with a before and after picture or video of the inside of the boiler. Heat exchanger tube cleaning Baton Rouge Louisiana.

Our Heat exchanger tube cleaning crew has been designing and producing a full line of Heat Transfer Surface Cleaning products. Heat exchanger tube cleaning Baton Rouge Louisiana. The range of products includes all types required for the cleaning of heating surfaces in power stations, heating and industrials boilers and incinerators. Heat exchanger tube cleaning Baton Rouge Louisiana.

Heat Transfer Surface Cleaning covers the design and project development of soot blowers, water cannons, water spraying systems, rapping systems and shot cleaning systems. Heat exchanger tube cleaning Baton Rouge Louisiana. These various systems maintain the efficiency, increase the continuous operating time of the boiler plants considerably and reduce the manual cleaning effort to a minimum. Heat exchanger tube cleaning Baton Rouge Louisiana.

Chemical cleaning can play an important role in boiler maintenance. Heat exchanger tube cleaning Baton Rouge Louisiana. Proper chemical cleaning removes deposits from the inside of boiler tubes which improves the boiler heat rate, reduces tube failures and improves the stability of boiler chemistry. Heat exchanger tube cleaning Baton Rouge Louisiana.

However, chemical cleaning is expensive. Vendor costs alone may total $50,000 to $150,000 depending on the size of the boiler. It also can be dangerous for maintenance workers and cause severe damage to the boiler. Other hazards include the handling of chemical waste and the risks of environmental damage and chemical spills. Heat exchanger tube cleaning Baton Rouge Louisiana.

Know When to Clean

It is important, therefore, to use chemical cleaning only when necessary. In fact, improvements in boiler and feed water practices have reduced the need for chemical cleaning at many utilities, extending the period between cleanings by years. How can you determine when chemical cleaning is required? Consider the criteria commonly used by utilities and other operators of steam generators:

Deposit Loading On Tube Samples

Two or three tube samples should be taken from high heat flux areas of the boiler and analyzed for deposit loading on the inside of the water wall tube. Heat exchanger tube cleaning Baton Rouge Louisiana. This is still the best way to determine the need to clean with chemicals, assuming there have been no major contamination incidents since the last chemical cleaning. Heat exchanger tube cleaning Baton Rouge Louisiana.

Time-Based Cleanings

Cleaning based on time — either operating hours or a number of years since the last chemical cleaning — is probably the worst way to determine need. Deposits do not form on boiler tube walls at a uniform rate over time. Heat exchanger tube cleaning Baton Rouge Louisiana. Other factors, including frequency of start-up and shutdown and water chemistry, must be considered. Heat exchanger tube cleaning Baton Rouge Louisiana.

A Major Contamination Incident

Often overlooked, a chemical cleaning should be performed at the next opportunity when there is a major contamination of boiler water. Heat exchanger tube cleaning Baton Rouge Louisiana. It is best to do so before the unit is restarted. A common cause of boiler contamination is a condenser tube leak. Heat exchanger tube cleaning Baton Rouge Louisiana.

Summing It Up

The need to chemically clean the boiler should be determined by the deposit loading of tube samples, not the amount of time since the last cleaning. Heat exchanger tube cleaning Baton Rouge Louisiana. Improving boiler and feed water chemistry and lay-up and start-up practices can extend the time between cleanings. Together, these techniques and practices also can save money and help reduce the risk of forced shutdowns. Heat exchanger tube cleaning Baton Rouge Louisiana.

About the Author

We provide inspection, consulting and training services to utility, pulp and paper, and industrial steam generators. Heat exchanger tube cleaning Baton Rouge Louisiana. He often works with inspectors and clients of HSB to improve steam cycle chemistry at a client’s facility, reducing risks and costs associated with steam and water chemistry. Heat exchanger tube cleaning Baton Rouge Louisiana.

Here in Enviro Tec we provide you a lot of another service related to industrial cleaning as Heat exchanger tube cleaning, we bring some information about the process. Whether you are mechanically or chemically cleaning a cooling tower, these steps must take place first. It is important that each step is adhered to. Heat exchanger tube cleaning Baton Rouge Louisiana. The order of the steps can fluctuate but each step must be done to ensure your safety. Heat exchanger tube cleaning Baton Rouge Louisiana.

The tower must be isolated from the system. Turn off and secure the electrical service to the tower. Heat exchanger tube cleaning Baton Rouge Louisiana. Be sure the tower fan is off, the main circulating pumps are off, and the temperature sensors are off or put in a none operational mode. Lockout and tag out the main power switch. Heat exchanger tube cleaning Baton Rouge Louisiana.

Close the valves that supply and return water to and from the tower.
Close the makeup water valve to the tower.
The open bottom drain of the tower. Remove overflow pipe.
Remove the grate covering the suction intake for cleaning if possible.
Have a separate garden hose ready, charged, and place in the tower once the tower has been drained out. Have your squeegee, broom, and shovel ready and place in the tower.
Suit up with waterproof boots, coveralls, gloves, hat, and face protection.
Begin your cleaning. Once cleaned, reverse the procedure for startup.

MECHANICAL CLEANING

This type of cleaning will involve the use of a power washer, a garden hose with power spray nozzle, shovel, broom, and squeegee. Heat exchanger tube cleaning Baton Rouge Louisiana. This type of cleaning is designed to remove all algae, slight scale, dirt, mud, and collected debris. Heat exchanger tube cleaning Baton Rouge Louisiana. The purpose is annual cleanings and removal of dirt to regain cooling performance. At times it is strictly cosmetic. Heat exchanger tube cleaning Baton Rouge Louisiana.

Starting at the hot deck, using the pressure washer, wash cooling tower blades, screen, inside of exhaust collar, and hot deck. Heat exchanger tube cleaning Baton Rouge Louisiana. Remove the covers of the hot deck and be sure all drain holes are free of scale and debris. Wash entire area where water flows to the fill. Heat exchanger tube cleaning Baton Rouge Louisiana. Make note if any spray nozzles are missing or broken. Inform chief engineer if they are. Heat exchanger tube cleaning Baton Rouge Louisiana.

Be careful when cleaning the fill with a pressure washer. Heat exchanger tube cleaning Baton Rouge Louisiana. The pressure and stream will cause the fill to break easily and snap off. Heat exchanger tube cleaning Baton Rouge Louisiana. Use a spray stream and not a straight stream. Clean the fill from top to bottom, outside and inside. Wash the sump area, also outside and under the fill. Heat exchanger tube cleaning Baton Rouge Louisiana.

Clean the inside of the tower fill, top to bottom, the walls, and under the fan blades. Remove all signs of algae, dirt and debris from float valve. Heat exchanger tube cleaning Baton Rouge Louisiana. Using the shovel or squeegee, be sure the floor of the sump is clean and free of all mud and deposition. Use your hose to clean underfill and inside of fill. After washout is over, check to be sure no loose scale has broken off and isn’t lodged somewhere in the bottom of fill. Heat exchanger tube cleaning Baton Rouge Louisiana.

When finished, shut the drain, reset overflow pipe, and open the makeup valve to refill tower. Add sufficient chemical for startup. Heat exchanger tube cleaning Baton Rouge Louisiana. Consult with your water treatment rep. for the correct amount of chemical to add to the tower. Once the tower is filled, slowly open supply and return valves. Heat exchanger tube cleaning Baton Rouge Louisiana. The tower may add more water once the supply and return valves are open as to displace trapped air. Heat exchanger tube cleaning Baton Rouge Louisiana. Remove lock out and tag out materials. Heat exchanger tube cleaning Baton Rouge Louisiana. Have chief engineer inspect tower and have him start electrical service to start tower. Heat exchanger tube cleaning Baton Rouge Louisiana. Watch the water level to be sure it remains at sufficient levels for operation. Once the tower is in service, have a chief engineer sign off on your report that tower cleaning is completed. Heat exchanger tube cleaning Baton Rouge Louisiana.

At Enviro Tec, we are aware of your limited downtime requirements, and offer professional, environmentally safe, and timely results. Heat exchanger tube cleaning Baton Rouge Louisiana. Contact us today to learn more about how we can help you reach your energy efficiency goals. Heat exchanger tube cleaning Baton Rouge Louisiana.

Some clients ask about the chemical cleaning of boilers – to clean or not to clean

Removing Deposits

Chemical cleaning has been considered a necessary part of boiler maintenance for many years. The objective of a chemical cleaning is to safely remove all the deposits from the inside of the boiler tubes. In low-pressure boilers, chemical cleaning typically removes calcium carbonate and other hard adherent scales. In higher-pressure boilers, the major deposit removed is magnetite and some copper.

Chemical cleaning can improve the boiler heat rate and reduce the number of tube failures. It typically improves the stability of boiler chemistry. However, there also are downsides to chemical cleaning.

Warning: chemical cleaning may be hazardous to you and your boiler

The chemical cleaning of a boiler is a project fraught with danger and horror stories abound. For example, a few years ago a power boiler was cleaned with ammoniated EDTA. Heat exchanger tube cleaning Baton Rouge Louisiana. The plant operators were unaware that chemical cleaning solution had found its way into the superheater and was not flushed out. When the unit went back online, the chemical cleaning solution evaporated in the superheater and caused it to fail. Complete replacement of the superheater was required.

Disposal of the chemical cleaning solution also can be a problem. Recently during evaporation of the spent chemical cleaning solution in a utility boiler, the vendor allowed the solution to impinge on a riser tube, causing it to fail catastrophically. The resulting repair cost the utility more than $1 million.

Another utility experienced a rash of catastrophic tube failures due to hydrogen embrittlement. The failures followed an incomplete chemical cleaning with inhibited hydrochloric acid. Heat exchanger tube cleaning Baton Rouge Louisiana.

Evaluating The Risks

When making the decision to clean your boiler with chemicals remember that chemical cleaning is:

Expensive (vendor costs alone may be $50,000 —$150,000)
Potentially dangerous to personnel and equipment
An environmental and chemical spill risk
A waste handling problem
Time-consuming, adding as much as a week to the end of an outage

Considering these risks and costs, it is important to know when a boiler needs chemical cleaning. The only thing worse than not cleaning a boiler that requires it, after all, is the chemical cleaning of the boiler that does not. Heat exchanger tube cleaning Baton Rouge Louisiana.

When to clean

In the past, utilities and others who operate steam generators have considered a number of factors when determining the need to use a chemical cleaning. The most common criteria are:

Deposit loading on tube samples
Time-based cleanings (operating hours or calendar months since last chemical cleaning)
A major contamination incident (condenser tube leak)
We will review each of these briefly.

Deposit Loading

One of the most common criteria is the deposit loading on the inside of the water wall tube. The plant will take two or three boiler tube samples from the high heat areas of the boiler and have the deposit loading analyzed on each. Heat exchanger tube cleaning Baton Rouge Louisiana. This is still the best way to determine the need to use a chemical cleaning, assuming that there have been no major contamination incidents since the last chemical cleaning. Heat exchanger tube cleaning Baton Rouge Louisiana.

Chemical cleaning of your boiler is one of the ways to assure safe and efficient operation. Care must be exercised, however, to clean a boiler only when needed. Techniques such as deposit loading or contamination-required cleanings can be used to determine when to clean. Improving boiler and feed water chemistry and lay-up and start-up practices can extend the time between cleanings. Heat exchanger tube cleaning Baton Rouge Louisiana. Together, these techniques and practices also can save money and help reduce the risk of forced shutdowns. Heat exchanger tube cleaning Baton Rouge Louisiana.

At Enviro Tec we offer one of the best industrial Heat exchanger tube cleaning services. Our highly trained staff knows what needs to be done in order to provide the customer with a clean boiler. We also know that some boilers have intricate parts that need special attention and we will take the time to properly clean the system. Heat exchanger tube cleaning Baton Rouge Louisiana.

It is important to have your boilers cleaned. After cleaning, the total efficiency of the boiler will increase. This means your boiler will not have to work as hard to produce the same about of heat as before. We also clean the system without causing any damage to the refractory or insulation within the system. Heat exchanger tube cleaning Baton Rouge Louisiana.

Your boiler, after a proper cleaning, will also produce more BTU’s and have less of a chance of breaking down. The methods we use to clean the boiler vary from system to system. We carefully inspect the boiler after to make sure that the job has been done correctly and to ensure that we are leaving you with same high quality experience that anchor has become known for. Heat exchanger tube cleaning Baton Rouge Louisiana.

Contact us today for your next scheduled Heat exchanger tube cleaning. Heat exchanger tube cleaning Baton Rouge Louisiana.

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(Texas City, Texas) (Baton Rouge, Louisiana)

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