OIL GUN

CCE&CE Oil Gun Assemblies are used to deliver atomized liquid fuels to load carrying, tilting-tangential burners.

CCE&CE Oil Gun has an oil guns, ranging from 200 -4500 kg/hr fuel output.

Gun model, length, and atomizer size and type are selected based on your application.

Any liquid fuel may be burned with steam, air or mechanical atomization.

Atomization can be performed in two ways;

  • Wide-range mechanical
  • Twin fluid [atomization media – compressed air/steam]

All steam and air atomized oil guns have a high turndown ratio, typically greater than 4:1.

High Pressure Steam or Air Atomized Oil Guns

CCE&CE high pressure steam or air atomized oil guns fire light or heavy oils with either atomizing media or no atomizing media.

Although plant air is typically used for a cold start-up when no atomizing steam is available, less costly steam atomization is used mostly.

Mechanically Atomized Oil Guns

CCE&CE Oil Gun Assemblies mechanically atomized type Cold Start oil guns are used to light off and warm up a “cold” boiler on light oil when no atomizing air or steam is available.

Description :

CCE&CE Oil Gun consists of a stationary part [with front plate, guide tube, retraction assembly, diffuser/flame stabilizer] and removable part [with flexible oil gun].

The front plate supports the oil gun and provides both a cooling air connection and a slide for the gun to slide in and out of the firing position. The front plate also retains the gun retraction assembly. The pneumatically-operated mechanism retracts the gun, when the associated burner is no longer required for load.

STATIONARY PART

We manufacture complete stationary part assembly including:

  • Stationary union
  • Front plate
  • Guide pipe and seal tube
  • Retraction assembly
  • Diffuser / flame stabilizer

The purpose of the diffuser is to impart rotational effect to the primary combustion air zone creating the necessary vortex for flame stability and for mixing the fuel and air required for good combustion.

The diffuser is carefully matched with the register divergent section in order to achieve the optimum performance with least waste of pressure energy.

The blade shrouds prevent the free radial flow in the space between adjacent blades and reduction large turbulent streams. The angle of the air foil shroud reduces separation between the air flows though the diffuser and air flow around it promoting early confluence of the steam line flowing inside and outside the recirculating zone of the air envelope.

The diffuser hub on which the blades are mounted projects forwards and is profiled to suit the atomizer in order to eliminate the reverse eddies which cause fuel deposits and fouling growths on the atomizer and diffuser.  This is important in case of wide turndown.

FLAME STABILISATION

The fuel is burnt in an air stream inside a Combustion Chamber. The heat input into the Combustion Chamber is at a not constant level and requires to be varied according to the output requirements. The Combustion equipment must be able to operate at different heat release rates, and the flame must be stable over these load ranges. The desired feature of CCE&CE diffusers is its combustion stability over wide load ranges.

REMOVABLE PART [FLEXIBLE OIL GUN]

The removable part oil gun which has the spray tip and mixing tip is connected to the stationary assembly by a yoke and sealed with copper-ring gaskets. When the gun is inserted inside stationary part, a limit switch is actuated indicating gun engagement.

The oil gun is a parallel tube design with flexible end sections and a removable tip. The tip is selected specifically for each application and varies depending on the gun capacity, type of atomization and atomization media.

The oil gun utilizes two parallel pipes for oil and steam (air) delivery (or oil return) to the mixing and spray tips.

Seal welding to both the removable union and the nozzle body eliminates threaded joints and the possibility of leaks.

The flexible stainless steel hoses of the tilting gun provided to accommodate tilt are protected from damage by stainless steel straps on both top and bottom.

The removable union is machined from solid steel bar.

Firing rate controls for the four different types of atomization are detailed below:

  • Wide-Range Mechanical Atomization – Return oil pressure controls the firing rate.
  • Outside Mix (or Y-Jet) – Atomizing media pressure remains constant. Fuel oil pressure to the gun controls the firing rate.
  • Inside Mix – Atomizing media pressure is maintained at a constant differential above the fuel oil pressure, usually 1.5 bar[g]. Fuel oil pressure to the gun controls the firing rate.

PRODUCT FEATURES

  • Wide application.
  • Directly interchangeable with existing concentric style oil guns.
  • Proof of position by sealed proximity switches.
  • Gun engagement limit switch.
  • Requires no major modification.
  • Broad range of capacities.
  • Easy maintenance.
  • Multiple methods of atomization.
  • Proven reliability
  • Advanced performance.
  • Quality components.
  • Suitable to wall-fired oil burners

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Contact Us

# 4, Gandhi Nagar, Koundampalayam, Coimbatore – 641 030, Tamilnadu – INDIA.

Telephone: 0422-2439179, 0422-2433989
FAX: 0422-2433982,
Others: 9443043917,
E-mail: fuelfiring@hotmail.com.