Oil Gun

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.

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 a 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. Fuel oil pressure to the gun controls the firing rate are for systems that rely on the pressure of the oil for atomization.

Burner Assembly

LJE & EC’s oil gun retract mechanism provides remote automatic insertion and retraction of oil guns to and from the firing position.

 The device consists of a pneumatic cylinder, mounted externally on the wind box on the oil gun guide pipe.

A signal from the burner controls actuates the solenoid to introduce compressed air to the cylinder, which moves the gun forward and keeps it in a firing position.

After the firing is terminated and the scavenging cycle is completed, the gun is retracted to prevent damage to the spray nozzle due to overheating.

Our pneumatically operated mechanism retracts the gun when the associated burner is no longer required for the load.

It is also interchangeable with existing wall-fired oil burners and corner-fired oil burners.

Oil Skid

LJE&EC undertakes Design, Engineering, Supply, Testing & Commissioning of skid-mount HFO, HSD, LDO, Naphtha ,natural gas and oil systems for gas/energy distribution companies and the power industry, with instrumentation.

The skid-mounted concept reduces the erection, commissioning and start-up time on the site.

LJE&EC offers skids for

Fuel oil unloading : for unloading the fuel from tankers / wagons through hoses

Suction strainers

Pumps with drives

Instrumentation (pressure, temperature & flow)

Interconnecting piping with valves mounted on a common base frame

Fuel oil transfer: for transferring the fuel from storage tanks to the day tanks

Suction strainers

Pumps with drives

Instrumentation (pressure, temperature & flow)

Interconnecting piping with valves

Inline heaters on the pump discharge line mounted on a common base frame.

Fuel oil pumping and heating: PHF unit is used to transfer the fuel from day tanks to the utility point i.e. boiler firing, furnace firing, engine etc at a required pressure, temperature & flow rate.

Steam and electrical Heater.

Instrumentation (pressure, temperature, flow, viscosity etc)

Pressure regulating

Control valves

Manual valves

Soot Blower Assembly

LJE&EC retractable soot blower is designed specifically for low maintenance, reliability, and maximum cleaning performance.

This soot blower stands up to the most severe environment and can be in the pendant superheater of the boiler, convection section platens, and economizer.

The advanced design venturi nozzles convert high-pressure air or steam into a high-velocity jet which impacts the maximum energy to remove slag deposits.

Our products are engineered for high wearing durability and minimum maintenance.

LJE&EC blowers are available with single motor drive, dual-motor drive, and non-rotating lance.

LJE&EC blowers can be operated electrically or pneumatically.

The blowers can be supplied for hazardous areas.

Dampers

LJE&EC offers Dampers for cogeneration plants, power stations, plants, cement factories, steel industry, paper industries, chemical plants…

Dampers are designed for controlling low-pressure gases [5000 mm wc] and temperatures up to 800oC.

APPLICATION

Regulating the flow of gas/air,

Diverting the gas/air flow to another duct system

Isolating duct for inspection and maintenance.

Our expertise allows us to provide a wide range of electrically operated /pneumatic operated/mechanical operated Dampers, manufactured in line with the international quality standards.

Our range

Multi Louver Dampers- Motorized & Pneumatic,

Guillotine Gates

Butterfly Dampers- Motorized & Pneumatic.

SCAPH

Steam Coil Air Pre Heater (SCAPH) is an extended surface type [finned tube] gas to the gas heat exchanger.

This equipment preheats air to the required process temperature using saturated steam.

Steam coil air preheaters (SCAPHS) are also used to heat air to raise the cold end temperature to prevent acid dew point corrosion.

In areas with low ambient air temperatures, this equipment is incorporated into the design of a boiler for low load operation and startup operation

This air heater uses an extended surface, normally referred to as fins, to increase the heat transfer rate and to reduce the overall size

Finned tubes may be of a G-type or spiral wound and made of aluminum.

Our SCAPH’s are modular units that can be easily erected and removed from an existing location for maintenance activities.

Coal Burner Assembly

LJE&EC manufacture Coal nozzle, Coal nozzle tips and complete Coal Compartment assemblies for different sizes of fossil fuel fired boilers.

LJE&EC Parts are considered superior due to higher reliability and high fuel load flexibility

The coal compartment assembly is connected to the fuel pipe at the wind box front directing fuel and transport air through the windbox into the furnace.

Major components of the compartment assembly include the stationary Coal Nozzle and tilting Nozzle Tip and seal plate

Our Parts are manufactured from super high heat resistant alloys to ensure longer life.

The Coal nozzles are either of fabricated design or the precision machined from SG iron castings to ASTM A536 GR 65 grade.

Standard coal nozzle of cast ductile iron ceramic-lined Coal Nozzle

The Coal Nozzle Tip which directs fuel flow is the last wear component in the coal delivery system. Because of its high temperature and harsh operating conditions they are subjected to.

Coal Nozzle Tips are manufactured from SS-310 plates are susceptible to high wear and severe damage, as this is expected to perform under extreme conditions

OIL GUN STATIONARY PART

We manufactured complete stationary part assembly including:

Stationary union

Front plate

Guide 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 bladeshroud 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 flow 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.