When water gets into a fuel oil by condensing from the piping and/or storage tank, the fuel oil is not immediately usable when arriving on a ship, but must be cleaned. This is done in a separation process. Without cleaning, this contaminated fuel oil will deteriorate, and the performance of the engine will be impaired. To enable the water to be separated from the fuel oil without getting the separator full of sticky fuel oil, the fuel oil must be heated. The higher the temperature of the fuel oil, the lower its viscosity and the more effective the separation process. The heating fluid in this application is steam, and the flow chart is similar to the one shown in Figure 10.1 (in this case the oil flows into a separator after being heated). After the separation process, the cleaned fuel oil is then often mixed with specially treated water to stabilize the manufactured properties of the fuel oil. A treatment system for fuel on a marine vessel is shown in Figure 10.3.

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Engineoil

Mailing addresses: Forms with payments: Private Security Guard Program Department of Licensing PO Box 35001 Seattle, WA 98124-3401

Petroleum

The vacuum breaker avoids the back-flow of condensate within the brazed plate heat exchanger. When the steam pressure reaches atmospheric pressure, the vacuum breaker opens and allows air into the heat exchanger. The temperature sensor measures the temperature of the oil. If it is too high or too low, the sensor sends a signal to the regulating valve to throttle or open the steam flow.

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The great majority of the fuel oil used by the world’s merchant fleet today is residual fuel oil. This is also true for the vast majority of large diesel engines operated on land.

Jet fuel

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ANFO

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If you came here looking for information on becoming a security guard in Washington DC, not Washington state, see this page.

Oilrefinery

On the other hand, diesel fuel may contain a small amount of residual fuel and may be dark or black in color. It is known by various names including light diesel and marine distillate. Blended diesel oil does contain some residue and is frequently known as marine diesel oil.

In this case, two parallel-coupled SWEP B65H Bbrazed plate heat exchangers, with the maximum number of plates, constitute one unit. Two or more units in series can then be used to achieve the required temperature difference (dT) between the oil flows. In this example, where dT = 5K, two units in series were used, as shown in Figure 10.5.

The legislation surrounding environmental safety is becoming increasingly stringent. Expenditure on cleaning the outlets from industrial plants such as chemical plants is therefore increasing considerably.

Cold starts for engines are inefficient because they result in higher fuel consumption. When the fuel is preheated the engine runs more smoothly, with less pollution and lower fuel consumption. A fuel oil heating flow chart is shown in Figure 10.1.

These residues are complex mixtures whose composition depends on the source of the crude oils processed and the complexity of the refinery. There are several reasons for heating the fuel before it is used. Marine vessels, for example, must start in cold weather, rescue vessels must keep standby engines ready to run at full power in case of emergency, and separation processes only operate successfully with preheated fuels.

Once a person is hired by a security company they must gather the necessary items and print an application off the WA State Department website. Along with the application a prospective security guard needs to submit one set of fingerprints, $111 application fee and the completed application itself. The application itself is a 4 page form which needs to be completed. It is very straightforward, simply follow the instructions throughout the application. Keep in mind that it is the same application if you are applying for armed, unarmed, or even a business license for security. Therefore, if you are applying for an unarmed security guard license much of application will not pertain to you. The application can be found on the Washington State Department of Licensing website here: www.dol.wa.gov.

SWEP is a world-leading supplier of brazed plate heat exchangers for HVAC and industrial applications. Designed to make the most efficient use of energy, material, and space, the technology is quickly winning ground around the world, with SWEP at the forefront of developments

If you are wishing to meet the Washington State Department requirements for an armed security guard license you will first need to be licensed as an unarmed guard. Next, you need to reach the age of 21. Then, you need to obtain a firearms certificate which will be administered by the Washington State Criminal Justice Training Commission or the WSCJTC. For requirements of a firearms certificate and list of certified state firearms trainers you can visit the WSCJTC website at: https://fortress.wa.gov. The application fee for armed security guard license is an additional $10 on top of the $111 paid for the unarmed guard license. The list of requirements, fees and other instructions can also be found on the state department website at: www.dol.wa.gov.

De-escalation. ▫ Goal: to decrease the emotional, physical and mental stress levels of a situation using verbal and non-verbal de-escalation techniques.

Crudeoil

Figure 10.1 Hot steam is used to preheat the fuel oil. The heated fuel oil may then be used directly by a combustion engine.

In the state of Washington people wishing to work as security guards need to obtain a license which is administered through the Washington State Department of Licensing. In order to qualify a person needs to be either hired or have an offer of employment from a security company in Washington. The necessary security guard training requirements will vary from company to company. WA state requirements include the license candidate to be a minimum of 18 years old, a US citizen, and to have no criminal convictions. If a person meets these requirements they may then apply for the proper security license with the WA State Department.

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Residual fuels have the highest viscosity and are thus the cheapest and most common fuel available for use in large diesel engines. Suppliers of residual fuels use various names, including the terms HFO (heavy fuel oil), bunker fuel oil and marine fuel oil.

When air polluted with organic solvents is cleaned, various types of oils can be used as the absorbent. A vegetable oil is used in the principal layout shown in Figure 10.4. The organic solvents in the outlet air from the chemical plant are absorbed in oil at 15 °C in an absorber. To separate the solvents from the oil, the oil from the absorber passes through a heat exchanger unit where it is preheated to 195 °C. An electrical heating source in the stripper then increases the temperature to 200 °C in a vacuum. The solvents boil off, leaving the oil clean and ready to re-enter the absorption tower. However, before the oil re-enters the absorber, its energy is recovered in the heat exchanger unit where the hot, clean oil is cooled to 15 °C by the solvent-containing oil from the absorber.

The great majority of the fuel oil used by the world’s merchant fleet today is residual fuel oil. This is also true for the vast majority of large diesel engines operated on land.

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Heavyoil

The use of steam requires certain components close to the brazed plate heat exchanger that are not included in a water-heated system. The steam trap, shown in Figure 10.2, ensures that uncondensed steam and non-condensable gases, e.g. carbon dioxide and air, do not enter the condensate line. Without a steam trap these gases would occupy a lot of space in the condensate pipe, which may lead to so-called water hammer. Water hammer is a pressure surge that may damage the condensate pipe or other components.

Petrol

If you are a military veteran you may be eligible for a reduced fee rate for the security guard license processing. The state of Washington values the military service that people have given this country, and also ex-military often make great security guards (both armed and unarmed).

Residual fuel oils are the products remaining from the refinery processes after all the distillates (lighter fractions) have been removed (see Oil as a Heat Transfer Fluid/From Crude Oil).

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Gas oil, also called LFO (light fluid oil), is used in some smaller engines and engines operated in environmentally sensitive areas. This grade of fuel is marketed under various names including gas oil, bunker gas oil and marine gas oil. It is a light distillate with a clear and bright appearance. It is a clean fuel because it does not contain any residual fuel components.

For more information on security guard training and licensing in the state of Washington, see the DOL WA Security Guard contact information below: