Power Washing Made Easy

!±8± Power Washing Made Easy

Cleaning aluminum, wood or vinyl siding is a fairly simple chore but if done incorrectly, you can damage your home, property or worse, yourself! Here are some of the most common mistakes homeowners make and how to avoid them.

Using too much water pressure and spraying at too steep of an upward angle can force water behind the siding where it can cause mildew and water damage. Too much pressure sprayed at vinyl siding at an upward angle forces water under the lip of the siding and in through the weep holes of the siding. The weep holes are designed to drain moisture, not large amounts of water. Too much pressure can also leave unsightly wand marks on the siding by removing oxidation; too much water pressure can also crack the siding, knock it loose, or completely blow it off the house.

Cleaning vinyl siding with hot water is also a mistake. Hot water can warp and distort vinyl siding causing it to loosen or pop out of place. Hot water is also very hard on plants and shrubbery and may even damage or kill them. The only benefit to hot water is it can speed up the cleaning process and cut down on the amount of cleaning solution used but the risk isn't worth the reward. The same results are achievable when using cold water and the right cleaners but without the risk of damage to the siding or landscaping that hot water can cause.

Letting the cleaners dry on the house or using the wrong cleaners can cause streaks on the siding. Glass windows can also be damaged or etched by allowing chemicals to dry on them. I highly recommend having a good knowledge of cleaners for washing houses. Some cleaners can not only leave your property damaged but can also cause severe injury to you or others if handled improperly. Always wear the proper protective gear like a respirator, gloves and safety glasses.

Using a pressure washer from a ladder is very dangerous and is not recommended. Serious injury or death can occur. Without the proper equipment, some home owners are tempted to get up on a ladder and attempt to pressure wash their siding. Pulling the trigger on a pressure actuated pump always causes the spray wand to kick and could easily knock you off of a ladder or any elevated platform.

Follow some of these simple DIY tips if you still plan on doing your own pressure washing project.

Make sure the machine you're using puts out less than 1000 psi. Even most big box store bought machines will put out 2000-2500 psi which can easily damage vinyl siding, asphalt shingles and even wood decks. By changing the nozzle at the end of the gun with one that has a larger orifice, you can achieve a lower pressure. The correct nozzle will still allow the maximum amount of water flow or gallons per minute, which is where your cleaning speed comes from, but will cut back the pressure as to not cause damage to the surface.

Be careful if you're making your own house washing chemicals. For example, mixing bleach and ammonia can create a poisonous gas. We suggest that home owners buy a siding wash that's available in most hardware stores and follow the manufactures guidelines for the product. Leave the stronger agents to the professionals or you may end up doing more damage than good.

Allow the cleaning solution to dwell on the siding for several minutes, then using low pressure, rinse the product from the siding. Make sure when you rinse that you start at the top and work your way down. Also start at one end and work your way across to the other end. Rinse the siding by spraying the water opposite of the laps in the siding so you don't force water behind the it. Do not stop or vary your distance from the siding, or it will cause the surface to be cleaned unevenly. Be sure to rinse the siding and windows thoroughly and to rinse the landscaping before, during and again after the cleaning process to assure no soap is allowed to dry on them.

Following these guidelines and doing some more research can help to eliminate the risk of damage or injury. If you are still unsure of taking on your own pressure washing project, you can call a professional exterior cleaning contractor in your area and see what they can do for you.

Power Washing Made Easy

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Cutting Edge Cleaning

!±8± Cutting Edge Cleaning

A five day shut down had been planned at an oil refinery to accommodate traditional pressure jetting and chemical cleaning methods to clean four crude train heat exchangers. Tube Tech challenged this route using an alternative innovative method to overcome the main disadvantages: Difficult to clean with lengthy downtime leading to expensive lost production.

The company was able to clean each bundle in a few hours without chemicals or high pressure water jetting, while the other three exchangers were kept running to maintain continuity of production, effectively 'flat lining' the production output. The cleaning procedure delivered a substantial Kj/C-hr improvement on just one bundle compared to all four bundles previously cleaned with either of the traditional procedures.
Cleaning technology

There has been little change over the decades in the methods and equipment used to clean and de-scale heat exchangers and pipelines. The low-tech approach of high pressure water jetting has kept it as a low skilled job with largely unimpressive and variable results.

Despite being armed with demonstrable evidence of being able to achieve better results than traditional methods, the company has faced an up hill struggle to get its innovative techniques widely accepted. It has not been easy persuading potential clients to consider trialling new techniques designed to improve substantially on traditional water jetting methods.

There has even been outright skepticism that Tube Tech's claims can be substantiated. Persistence and determination were needed to change the industry mind set regarding the effectiveness of current cleaning methods. Long-term maintenance contracts can also act as a barrier to an investigation of the company's advances.

The historical reliance on low tech, low skill water jetting for pipe cleaning has meant that clients have accepted that this is the best that can be achieved. This meant that there was often no quantifiable data against which Tube Tech's improved results could be measured.

Setting out to devise a more scientific approach to the whole cleaning and de-scaling process,

The company has created more than 40 innovative techniques. This has led to several 'firsts' in heat exchanger and pipeline cleaning processes. These developments include:

o The ability to clean exchangers in-situ where previously they were pulled.

o The ability to clean and unblock hairpin bends.

o Speed cleaning difficult bundles in hours instead of days.

o Online cleaning of difficult heat exchangers.

The introduction of more sophisticated technology enables the cleaning and de-scaling to be carried out faster so there is considerably less downtime, and potential mechanical damage to equipment is eliminated. Less waste, dry processes and the elimination of chemicals provides a safer and more environmentally acceptable process.

The company has also taken traditional pigging methods and tailored them to achieve much better results. Operating in a tube and pipe environment from 2mm to upwards of 1m, equipment is modified to suit the consistency of deposit and pipe configuration. A wider variety of deposits can be removed by an innovative drift system loaded into large diameter pipes through a very small aperture which then expands to suit the diameter. It also has the ability to return back down the same line without creating an expensive loop system.

Aluminum tubes

The scale which builds up in aluminum furfural exchangers is notorious for being highly tenacious. The accepted wisdom has been that due to their delicate nature, aluminum hairpin heat exchangers can only be cleaned using 200bar (3625 psi) bar water pressure.

This low-pressure approach only removes 20% of blockages and scale with the additional problem that it tends to compact coke deposits on the U bends rather than remove them. Working with clients sample tubes, Tube Tech's research and development team devised a combined mechanical and water jet system which used 2500 bar ( 40,000psi) to remove coke deposits and improve overall cleanliness to 90%.

The three-stage process included a sensitive mechanical hairpin-cleaning device coupled with exceptionally low volumes of water. First, each tube was cleaned using the Softdrill(TM) lance made from 'intelligent' metals to prevent damage to the tube wall. These soften on entering the U-tube and stiffen on extraction, while an oscillating motion drills the blockage using a mixture of water and an occasional infusion of food grade media at 12 * the pressure and four times the speed of the conventional approach. Finally, a micro turbine rotating under controlled hydraulic pressure was guided through each tube.

Not only were the results substantially improved but also cleaning was carried out in-situ, reducing downtime by 200% and avoiding possible handling damage, the cost of cranage and bundle pulling equipment.

A U-bend first

The inability of traditional water jetting to remove hard coke and oily sludge in the U bends in heat exchangers in crude oil distillation complex has produced a 70% cleaning standard.

After analyzing the nature and composition of the deposit and its dimensions, the Tube Tech approach was used. The result was:

o 99% of contamination removed.

o Hairpins cleaned for the first time ever.

o Heat exchangers returned to virtually as new condition.

o Cleaning operation completed in three times faster than the standard pressure jetting times, down from six to two days.

o Greatly improved throughput.
In-situ cleaning

Solving problems related to specific equipment often enables the company to further improve on its initial performance. The cleaning process for an important tube bundle In a catalytic cracker was initially reduced from nine days to six but this first experience subsequently lowered the barriers further. A smaller sister unit was subsequently cleaning in three hours instead of three days.

For the first time the operation was carried out in-situ, using a new turbine method, incorporating a low-pressure water jetting system avoiding the cost and effort of removing 10t of exchanger gaskets, scaffolding or cranes. In-situ cleaning lengthens the life of the bundles, which deteriorate through damage caused when they are removed for cleaning.

Cutting Edge Cleaning

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XtremePower X1083 Robotic 2500W Max 3100PSI High Pressure Washer w/ Hose Wheel

!±8± XtremePower X1083 Robotic 2500W Max 3100PSI High Pressure Washer w/ Hose Wheel

Brand : Xtreme | Rate : | Price :
Post Date : Dec 08, 2011 02:54:13 | Usually ships in 24 hours

XtremePower X1083 Robotic 2500W Max 3100PSI High Pressure Washer w/ Hose Wheel

Type Heavy DutyDimension of main unit 31" x13"x15"Power Type ElectricBest Uses Patio Furniture, Fencing, Boat, Driveway....Adjustable Wand YesWeight 48 lbs.Voltage 110V-120V 60HzCleaning Power 2045 - Max3045 (PSI x GPM)Temperature ColdChemical Injection Large Detergent TankMotor BRUSH MOTORHose Material Thermal PlasticHigh Pressure Hose 20ftWheel Type PlasticFlow Rate 1.6 GPM

More Specification..!!

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