L&T offers design, manufacture and supply of components, subsystems and systems for aerospace applications. L&T’s precision manufacturing facilities are geared to meet the exacting demands of aerospace manufacture. State-of-the-art facilities give L&T the capability to achieve high accuracy levels in the manufacture of systems and subsystems of satellites and launch vehicles in metals and in advanced composites. L&T carries out in-house development of welding procedures for exotic materials and special machining processes for space application.
L&T’s range includes rocket motor casings, convergent and divergent nozzles, titanium gas bottles for liquid stages, titanium tanks for liquid upper stages for launch vehicles; solar array deployment mechanisms for satellites; and jigs and fixtures for critical applications. L&T is gearing up for larger participation in space programs and for manufacture of sub-assemblies, systems and sub-systems for aircraft.
With rising cost of oil and natural gas, Syn-gas from coal gasification is becoming a cost-effective alternative feedstock for fertilizers, chemicals (methanol, etc.), power and coal liquefaction plants.
L&T manufactures and supplies key Coal Gasification Equipment -- coal gasifiers and syngas coolers -- under a technical tie-up with Shell Global Solutions, The Netherlands. These find application in power plants and a wide variety of process plants such as ammonia, methanol and wherever synthesis gas is required.
For coal gasification projects, HED will supply and integrate outer pressure vessel with internal Gasifier & Syngas cooler components, carry out hydro testing, apply refractory, assist in erection of equipment on to the structure at site and weld (in-situ) golden seams.
Heavy Engineering Division has contributed significantly to the growth of the Fertiliser industry in India and abroad. The division has supplied critical Equipment for over 50 Ammonia and Urea projects.
Heavy Engineering Division has contributed significantly to the growth of the Fertiliser industry in India and abroad. The division has supplied critical Equipment for over 50 Ammonia and Urea projects.
The product range comprises reactors, vessels, heat exchangers and equipment for various services including high-pressure, high-temperature, hydrogen service, etc. Major equipment supplied include process gas waste heat boilers, steam drums and super heaters, multi-wall converters / reactors, converter baskets, urea reactors, carbamate condensers, urea strippers, and a range of high pressure heat exchangers and pressure vessels and equipment for fertilizer plants. thermal and mechanical design of all heat transfer equipment is also carried out with in-house developed software including Finite Element Analysis, detailed FIV analysis and also members of HTRI and HTFS.
Fabrication is carried out at ASME-approved workshops in Mumbai, Hazira & Ranoli. These workshops have also secured ISO 9001:2000 Certification. Hazira Works near Surat has a water-front load-out facility, capable of handling equipment and modules more than 2000 tonnes.
A pioneer in the field of manufacturing technology development, equipment manufacture and site / plant services for the Indian nuclear power plant program, L&T is a recipient of the prestigious ‘INS Industrial Excellence Award’ for outstanding contribution in the nuclear power plant sector.
L&T has been accredited by ASME to use ‘N’ and ‘NPT’ stamps for construction of class 1, 2, 3 & MC vessels, class 1, 2, 3 piping systems, class 2 & 3 storage tanks, class CS core support structures & class 1, 2 & 3 shop assemblies and to supply ferrous and non-ferrous material as Material Organization (MO).
L&T manufactures reactor vessels for Pressurized Heavy Water Reactors (PHWRs) and Fast Breeder Reactors (FBRs) designed technology and critical equipment & systems for heavy water plants, fuel re-processing plants and plasma reactors.
L&T’s product range includes Steam Generator Assemblies (SGA), end shields, calandria, reactor roof slabs, Control Rod Drive Mechanisms (CRDMs), SS thermal insulation panels, primary heat transport systems, fuel rod sub-assemblies, fuel transfer arms, fuelling machine carriages and trolleys, steam separators / mist eliminators, heavy water upgrading columns, exchange unit towers and internals, high-pressure heat exchangers, high and low level waste storage tanks and special equipment for in-service inspection.
L&T offers onsite integration and installation of massive structure of reactor main vessel, reactor safety vessel, end shield, calandria, coolant channels assembly and reactivity devices for new and operating plants. Life extension services for existing PHWRs include in service inspection and coolant channel replacement for operating nuclear power plants.
L&T is actively involved in the prestigious International Thermonuclear Experi-mental Reactor (ITER) project.
L&T offers all critical equipment and systems for oil & gas projects. Having successfully executed orders for large tubular reactors (1500 MT), L&T is geared and qualified to take up the challenge of manufacturing the futuristic gas-to-liquid reactors for the oil & gas sector, in addition to traditional products such as test and production separators (separate or skid-mounted).
L&T markets and provides support for high-speed centrifugal pumps and compressors from Nikkiso Sunstrand, Japan and Sundyne Corporation, USA, High Pressure reciprocating pumps from Gardner Denver, USA, packaged skid-mounted / mobile pumping systems for crude transportation, well-servicing and wireline winches for oilfield duties.
The product range comprises reactors, vessels, heat exchangers and equipment for various services including high-pressure, high-temperature, hydrogen service, cryogenic application, etc.
Major equipment supplied include multi wall reactors, ‘Pacol’ and ‘Hydro bon’ reactors, polypropylene and polyethylene reactors, transfer line and ultra-sensitive exchangers and continuous polymer-ization reactors / finishers, methanol converters, heli-towers, bayonet-type heat exchangers, screw-plug exchangers and a range of high pressure heat exchangers and pressure vessels and equipment for cryogenic application.
The process / thermal and mechanical design of all heat transfer equipment is also carried out with in-house developed software including Finite Element Analysis, detailed FIV analysis and also members of HTRI and HTFS.
Process Experience:
MEG/EO Plants
:
:Scientific Design Union Carbide, Shell
Methanol Plants
:
ICI, Lurgi,Weatherly
LAB Plants
:
UOP
VCM/PVC Plants
:
Stauffer,Lummus,BF Goodrich, UHDE
Cracker Plants
:
Stone & Webster, Lummus
Polymers - HDPE,LLDPE, PP
:
Dupont, Shell, BP Chemicals, Technip, Union Carbide, Himont
L&T offers all critical equipment and systems for refineries and gas cracker plants. The range includes high pressure, high temperature reactors like hydrocrackers, DHDT & DHDS reactors for ‘clean fuel’ projects, and other critical equipment. These are manufactured in various grades of low alloy steels (including Cr–Mo-Vanadium) of clad or overlaid construction. L&T has the qualifications and vast experience in carrying out single-layer and double-layer overlay of equipment using ESSC (ESW) and SAW processes. Reactor internals are generally fabricated in-house and also assembled in reactors as per customer requirements.
L&T has supplied FCC reactors and regenerators to the specifications of well-known process licensors, with supplies of regenerators as large as 16.3-metres diameter and 1200 MT weight. Refractory-lining of equipment is a major field of specialisation.
Specialized multi-tubular reactors are offered, such as EO reactors and PAN reactors. L&T is geared and qualified to take up the challenge of manufacturing the futuristic gas-to-liquid reactors for the oil & gas sector, in addition to traditional products such as test and production separators (separate or skid-mounted).
With its own waterfront facility, a wharf and a roll-on-roll-off jetty at its Hazira Works, L&T organizes shipment of large and over-dimensional consignments. Equipment weighing over 2000MT has been directly dispatched to the Middle East from Hazira Works.
L&T is a licensee of ABB Lummus Heat Transfer NV, USA, for helixchangers and also licensee of Exxon Mobil Research Engineering (EMRE) for anti-vibration baffles for heat exchangers (dimpled baffle) technology.
L&T offers complete condensing and feed heating systems. It supplies balance of plant in the turbine island (other than turbine generator) which includes equipment like :
Circular Surface Condensers
Rectangular Surface Condensers
HP Feed Water Heaters
LP Feed Water Heaters
Deaerators
The equipment are interconnected with high pressure piping, valves, instruments, controls & auxiliary sub-system. Heavy Engineering Division also manufactures turbo generator components like LP Hoods & Casing and Stator Frames for large steam turbines & turbo generator components for hydro turbines.
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