Our Projects

The works included the supply of refractory products adapted to high-temperature operations.Installation of maintenance refractories was carried out to ensure continuous kiln performance.Mechanical maintenance services were performed on critical process equipment.Repairs were executed on the preheating tower, including the smoke box, cyclone, and cooler.These interventions enhanced the reliability, durability, and efficiency of the cement production line.

The project involved the emptying of cement elevators, including maintenance of elevator bottoms.Silos were emptied with removal of stored materials, which were directed for recycling.Repairs were performed on material transport crates to restore their functionality.A complete replacement of the canvas was carried out to ensure durability and efficiency.These operations contributed to improving safety, reliability, and the sustainability of material handling processes.

The project included the supply of high-quality refractory materials tailored for industrial use.Installation works were carried out for maintenance refractories to ensure reliable kiln operation.Specialized teams executed mechanical maintenance activities on critical equipment.Repairs were undertaken on the preheating tower to restore its efficiency and stability.These combined interventions improved the durability, safety, and performance of the cement production process

SUPPLY OF REFRACTORY CONCRETE

SUPPLY OF REFRACTORY CONCRETE

The mechanical maintenance works covered key equipment such as chains, conveyor belts, and elevators.Operations included inspection, adjustment, and replacement of worn components to ensure continuous performance.Preventive maintenance measures were implemented to minimize unexpected breakdowns.Corrective interventions were carried out to restore damaged parts to full functionality.These actions ensured the reliability, safety, and efficiency of material handling systems.

he repair of the chimney ceiling involved the installation of prefabricated concrete elements designed to restore structural integrity.Damaged sections of the boilerwork were dismantled and fully reconstructed to ensure safety and functionality.The works were carried out with strict adherence to technical standards and quality requirements.Special attention was given to durability and resistance to high operating conditions.These repairs contributed to extending the service life and reliability of the chimney system.

The chimney and refractory works comprised the pouring of concrete using vibrated formwork and shotcrete for the roof and sidewalls of the heating hood of the grey cement rotary kiln. Additional shotcrete was applied to the vault and periphery of the kiln, while vibrated formwork was also executed for the spoon and feed chute floor. The project further included refractory masonry works to strengthen and protect the grey cement rotary kiln, ensuring its reliability and durability.

Furnishing and refractory works, including the pouring of vibrated concrete on the circular surface of the nose-ring of the grey rotary cement kiln. Installation of cut bricks with clamping plates, both transverse and simple. First installation in Algeria of AGE bricks with mortar in the firing zone of a 5mL grey cement rotary kiln.

The chimney and refractory works included the pouring of vibrated concrete using formwork and shotcrete for the roof and sidewalls of the heating hood of the grey cement rotary kiln. Shotcrete was also applied to the vault and periphery of the kiln, while vibrated formwork was executed for the spoon and feed chute floor. In addition, refractory masonry works were carried out to ensure the proper lining and durability of the grey cement rotary kiln.

The chimney and refractory works involved the pouring of vibrated concrete, using both formwork and shotcrete, for the roof and sidewalls of the heating hood of the grey cement rotary kiln. Shotcrete was also applied to the vault and periphery of the kiln, while vibrated formwork was executed for the spoon and the feed chute floor. Furthermore, refractory masonry works were completed to ensure optimal lining, protection, and long-term durability of the grey cement rotary kiln.

THE PROJECT INCLUDED THE INSTALLATION OF MORE THAN 3,500 TONS OF CASTABLE AND BRICKWORK FOR THE 3RD PRODUCTION LINE OF GREY CEMENT AT THE ECDE GICA GROUP PLANT, WITH A CAPACITY OF 6,000 T/DAY IN KHENCHELA. THE SCOPE OF WORKS COVERED: CASTING AND VIBRATION WORKS FOR THE COOLER, KILN HOOD, KILN INLET, PRECALCINER, AND TERTIARY AIR DUCT. CASTING AND VIBRATION WORKS FOR CYCLONES C5, C4, C3, C2, AND C1. BRICKLAYING OF THE ROTARY KILN, 76 METERS IN LENGTH. CASTING AND VIBRATION WORKS FOR THE KILN INLET SEAL AND SMOKE BOX. CASTING AND VIBRATION WORKS FOR THE MIXING CHAMBER, MIXING DUCT, AND GAS AND MATERIAL DUCTS.

SUPPLY OF REFRACTORY CONCRETES

Supply of high-quality refractory concretes for industrial applications, ensuring durability, thermal resistance, and optimal performance of installations.

APPROVISIONNEMENT EN CONCRETS REFRACTAIRES

CEMENT ELEVATOR MAINTENANCE AND SILO CLEANING. DRAINING OF CEMENT ELEVATORS, INCLUDING MAINTENANCE OF ELEVATOR BOTTOMS. EMPTYING OF SILOS WITH REMOVAL OF MATERIAL FOR RECYCLING. REPAIR OF MATERIAL TRANSPORT BOXES WITH COMPLETE REPLACEMENT OF THE LINING.

REFRACTORY AND MASONRY WORKS CONSISTING OF THE REPAIR OF THE GAS DUCT LINING OF THE ROTARY CEMENT KILN. THE WORKS INCLUDED THE DEMOLITION OF THE REFRACTORY CONCRETE LINING OF THE 9-METER ROTARY KILN GAS DUCT, FOLLOWED BY CASTABLE VIBRATION CONCRETING OF THE DUCT WITH ANCHORING WELDS.

REFRACTORY, MASONRY, AND BOILER-MAKING WORKS CARRIED OUT ON THE ROTARY CEMENT KILN AND THE TERTIARY AIR DUCT. THE PROJECT INCLUDED BRICKLAYING AND REROUTING OVER 24 METERS, INVOLVING THE DISMANTLING AND CLEANING OF THE KILN. MASONRY WORKS WERE EXECUTED WITH MORTAR OVER 5 METERS AND WITHOUT MORTAR OVER 19 METERS. IN ADDITION, THE DAMAGED SHEET LINING OF THE CLAY DUCT WAS REPLACED WITH REFRACTORY CASTABLE CONCRETE.

REFRACTORY AND MASONRY WORKS CONSISTING OF THE REPAIR OF THE HOT GAS GENERATOR FOR THE CEMENT GRINDING UNIT. THE ACTIVITIES INCLUDED THE INSTALLATION AND WELDING OF THE RETAINING RING, AS WELL AS THE REPLACEMENT OF BRICKS IN CRITICAL AREAS WITH REFRACTORY CASTABLE CONCRETE.

REFRACTORY AND MASONRY WORKS CONSISTING OF THE REPAIR OF HOT SPOTS ON THE KILN AND THE LINING OF THE TERTIARY AIR DUCT. THE ACTIVITIES INCLUDED DISMANTLING AND REROUTING BETWEEN POINTS 23–25 M, MASONRY WORKS WITHIN THE SAME SECTION, AND THE RECONSTRUCTION OF A BRICK PARTITION ON THE CLADDING OF THE TERTIARY ZONE.

ANNUAL KILN SHUTDOWN - REFRACTORY, MASONRY, AND BOILER-MAKING WORKS. THE SCOPE INCLUDED 4.10 METERS OF BRICKLAYING INSIDE THE KILN, AS WELL AS THE CLEANING AND REMOVAL OF MATERIAL FROM A COOLING ZONE AND A SMOKE BOX COVERING 42.5 M². ADDITIONAL WORKS INVOLVED CASTING AND VIBRATING GUNITING OF THE CASTING BOX AND COOLER, ALONG WITH THE REPLACEMENT OF 11 M² OF DAMAGED STEEL PLATES, INCLUDING THE WELDING OF NEW ANCHORS.

Mechanical repair works carried out during the annual kiln shutdown, focusing on the replacement of mechanical parts of the rotary kiln inlet seal. The activities included the replacement of kiln inlet sectors with 36 kiln lifters, the replacement of 19 material flow nozzles, and the replacement of wear rings on both the kiln inlet and kiln side. Additional works comprised the replacement of locking nozzles, thermal shields, sealing rings, and compensators with their supports, as well as the reinforcement of the VRM cyclone skirt using supports and gussets.

MECHANICAL REPAIR AND BOILER-MAKING WORKS ON THE BURNER CASING FOLLOWING A DEFORMATION OF THE TRUNCATED CONE SECTION (1.5 M LENGTH – 10 MM THICKNESS – 600 MM DIAMETER). THE WORKS INCLUDED CUTTING AND REMOVING THE DEFORMED SECTION, FABRICATING A NEW SECTION IN STAINLESS STEEL 304, LASER ALIGNMENT OF THE THREE TRUNCATED PARTS WITH SPOT WELDING FOR FIXATION, AND SEMI-AUTOMATIC WELDING ON BOTH THE INNER AND OUTER SIDES.

MECHANICAL REPAIR AND BOILER-MAKING WORKS ON THE BURNER CASING FOLLOWING A DEFORMATION IN THE MIDDLE OF A TRUNCATED CONE SECTION (1.5 M LENGTH – 10 MM THICKNESS – 600 MM DIAMETER). THE WORKS INCLUDED CUTTING AND REMOVING THE DEFORMED SECTION, FABRICATION OF A NEW SECTION IN STAINLESS STEEL 304, LASER ALIGNMENT OF THE THREE TRUNCATED PARTS WITH SPOT WELDING FOR FIXATION, AND SEMI-AUTOMATIC WELDING CARRIED OUT ON BOTH THE INNER AND OUTER SIDES.

Fabrication, supply, and installation of a steel structure for a 180-meter-long conveyor belt, with a total weight of 106 tons. The works included the fabrication of steel structure components in our workshops according to design drawings, topographic surveying for axis positioning, pre-assembly of individual structural modules, and the final installation in accordance with the drawings, with continuous topographic verification of levels and axis alignment throughout the process.

INSTALLATION OF TWO PALLETIZING LINES WITH TWO FORKLIFT LINES FOR CEMENT LOAD DISPATCH. THE WORKS INCLUDED THE RECEPTION AND INSPECTION OF EQUIPMENT AT THE CLIENT'S SITE ACCORDING TO THE PACKING LIST OF 21 CONTAINERS, TOPOGRAPHIC SURVEYING TO ESTABLISH THE CENTRAL AXES OF EACH LINE, PRE-ASSEMBLY OF EQUIPMENT BY MODULE, ASSEMBLY OF MODULES ACCORDING TO DESIGN PLANS WITH CONTINUOUS TOPOGRAPHIC CONTROL, AND THE ANCHORING OF MODULES TO THE FOUNDATION.

ASSEMBLY OF A 180-METER-LONG CONVEYOR BELT TO CONNECT THE DISPATCH AREA WITH THE TWO PALLET LOADING LINES. THE WORKS INCLUDED THE ASSEMBLY OF THE CONVEYOR FRAME WITH TOPOGRAPHIC SURVEYING FOR ALIGNMENT, THE INSTALLATION OF DRIVE AND RETURN DRUMS, THE ASSEMBLY OF ROLLER GUIDES, AND THE INSTALLATION OF BAG SEPARATORS.

ASSEMBLY OF A 180-METER-LONG CONVEYOR BELT TO CONNECT THE DISPATCH AREA WITH THE TWO PALLET LOADING LINES. THE WORKS INCLUDED THE ASSEMBLY OF THE CONVEYOR FRAME WITH TOPOGRAPHIC SURVEYING FOR ALIGNMENT, THE INSTALLATION OF DRIVE AND RETURN DRUMS, THE ASSEMBLY OF ROLLER GUIDES, AND THE INSTALLATION OF BAG SEPARATORS.

SARL Refratech provides qualified personnel for refractory installation works. Our teams handle the application of refractory concrete and brick lining in compliance with quality and safety standards. We ensure reliable and durable services tailored to industrial requirements.

Refractory repair works, including gunning, vibrated casting, and anchor welding, were carried out on the regenerator 530-R-002 of the RGCC unit at the Algiers refinery. The project mobilized dedicated human resources, namely one HSE Manager, two Refractory Supervisors, six Refractory Masons, three Welders, and five Certified Multi-skilled Workers. In addition, all required equipment was provided to ensure the safe and efficient execution of the works in full compliance with industry standards.

Refractory repair works, including gunning, vibrated casting, and anchor welding, are being executed on the regenerator 530-R-002 of the RGCC unit at the Algiers refinery. The project mobilizes the following human resources: one HSE Manager, two Refractory Supervisors, six Refractory Masons, three Welders, and five Certified Multi-skilled Workers. In addition, all necessary equipment has been provided to ensure safe and efficient execution of the works in strict compliance with industry standards.

Refractory repair works, including gunning, vibrated casting, and anchor welding, are being carried out on the regenerator 530-R-002 of the RGCC unit at the Algiers refinery. The project mobilizes the following human resources: one HSE Manager, two Refractory Supervisors, six Refractory Masons, three Welders, and five Certified Multi-skilled Workers. In addition, all required equipment is supplied to ensure the works are executed safely and efficiently, in full compliance with industry standards.

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Furnace and refractory works were carried out on the ammonia and urea production furnace, covering several critical components. The scope included the application of vibrated castable concrete and primary guniting on the Reformer Bellows (2038001 / 2038203), vibrated castable concrete and guniting on the Steam Super Heater (203E002), as well as refractory works with vibrated castable concrete and guniting on the Process Gas Cooler (2038).

Furnace and refractory works were carried out on the ammonia and urea production furnace, covering the following components: vibrated castable concrete and primary guniting on the Reformer Bellows (2038001 / 2038203); vibrated castable concrete and guniting on the Steam Super Heater (203E002); and vibrated castable concrete with guniting on the Process Gas Cooler (2038).

A refractory drying intervention was carried out, including the installation of a complete drying system comprising a burner, hot air ducts, as well as flow and temperature control dampers. In addition, furnace works were performed on Furnace 101 B of the Ammonia Unit at the client’s site in Annaba, with the supply and application of refractory mortar.

Mortar FIRE-RESISTANT ROPE 1012 FIRE COVER 128/1260 H7320X610X25 FIRE COVER 128/1260 H7320X610X13 Mobilization and Demobilization of equipment Provision of a refractory supervisor PROVISION OF MULTIPURPOSE AGENT PROVISION OF A REFRACTORY MACON SUPPLY OF MATERIAL

REPAIR WORK. DRY OUT.

The works included maintenance and repair operations on various industrial furnaces.Specialized interventions were performed to restore furnace efficiency and prolong service life.The project also involved the supply of high-performance refractory concrete.These materials were selected for their resistance to high thermal and mechanical stresses.Together, these actions ensured durability, safety, and reliability of the furnaces in operation.

A turnover of 12,487 KDA was achieved through several interventions carried out by our team of 14 Réfratech specialists. These works involved refractory maintenance and repairs on the furnaces of the TOSYALI rebar plant in Oran during the first eight months of 2025.

Shutdown program for maintenance works of the DRP Unit (Lot 05) of the AQS Complex, including the supply of refractory concretes and refractory repairs of the DRI shaft furnaces, the refractory-lined duct of the DRI furnace, and the DRI unit of the AQS Complex.

The industrial mechanical assembly and installation of the new line included the assembly of new dryers with connection to the existing dryer, the complete installation of the compressed air piping network, and the assembly of belt conveyors. The works also comprised the erection of a multi-storey preparation tower incorporating the steel structure and mechanical equipment, the development of a finished product recovery area (plasterboard), the renovation of the combustion chamber, and the extension of the electrical room.

SUPPLY OF REFRACTORY CONCRETE

SUPPLY OF REFRACTORY CONCRETE

A turnover of 7,278 KDA was achieved during the first eight months of 2025 through the interventions of our team of 14 Réfratech specialists on the refractory refurbishment works of the furnace at the SARL TAOUAB plaster plant in M’Sila, as well as by our team of 6 specialists on the refractory repair works of the furnace at the plaster plant in the wilaya of Ouled Djellal.

The works included the supply of refractories, the installation of maintenance refractories, and mechanical maintenance operations.

SUPPLY OF REFRACTORIES. REFRACTORY INSTALLATION AND MAINTENANCE. DESIGN AND ENGINEERING STUDIES.

Provision of personnel for maintenance works.

Supply of refractory concrete.

Refractory, boiler-making, and concreting works on the inspection door of the incinerator. Supply of refractory concrete. Installation of stainless steel anchors.

SUPPLY OF REFRACTORIES. INSTALLATION OF REFRACTORIES. REFRACTORY MAINTENANCE SERVICES.

SUPPLY OF REFRACTORY CONCRETE.

SUPPLY OF REFRACTORY CONCRETE.

REFRACTORY LINING OF FURNACES (CARBURIZING, FOUNDRY, ETC.). REFRACTORY MODIFICATION (REPLACEMENT OF BRICKS WITH CASTABLE CONCRETE). SUPPLY OF REFRACTORY CONCRETE.

Design, fabrication, and assembly on the Renault production line.

SUPPLY OF REFRACTORY CONCRETE.

CONSTRUCTION OF KILN VAULTS. SUPPLY OF REFRACTORY CONCRETE. INSTALLATION OF ANCHORING SYSTEMS.

Supply of refractory concrete.

Supply of refractory concrete.

Supply of refractory concrete.

Supply of refractory concrete.

Supply of refractory concrete.

Supply of refractory concrete.

As part of the service contract [Ref: CPS-001/20] between EURL GHAMOUD and Réfratech, our team of 16 Refratech furnace technicians carried out the installation of 102 tons of refractory materials (castable and bricks) for a new furnace. The works were completed over a period of 72 days, for a total value of 23,342 KDA, during the first eight months of 2025.

Supply of Cem 50 AM HS mortar. Supply of TIX60 refractory concrete and anchors. Supply of SEVEN DRAM 90 CR refractory concrete. Supply of ALFRAN TIX60 refractory concrete. Supply of ALFRAN TIX84 refractory concrete.

SUPPLY OF REFRACTORY CONCRETES.

Supply of Cem 50 AM HS mortar. Supply of TIX60 refractory concrete and anchors. Supply of SEVEN DRAM 90 CR refractory concrete. Supply of ALFRAN TIX60 refractory concrete. Supply of ALFRAN TIX84 refractory concrete.

A turnover of 3,765 KDA was generated by our team of 12 Réfratech technicians through refractory works on the furnaces of the MODELUX plant, located in Sidi Khetab, Wilaya of Relizane, during the first eight months of 2025.

A turnover of 7,278 KDA was achieved during the first eight months of 2025, through refractory overhaul works performed by our team of 14 Réfratech technicians on the furnace of the SARL TAOUAB plaster plant in the Wilaya of M'Sila, as well as refractory repair works carried out by our team of 6 technicians on the furnace of the plaster plant in the Wilaya of Ouled Djellal.

Supply of Cem 50 AM HS mortar. Supply of TIX60 refractory concrete and anchors. Supply of SEVEN DRAM 90 CR refractory concrete. Supply of ALFRAN TIX60 refractory concrete. Supply of ALFRAN TIX84 refractory concrete.

Supply of Mortar Cem 50 AM HS. Supply of TIX60 Refractory Concrete and Anchors. Supply of SEVEN DRA 90 CR Refractory Concrete. Supply of ALFRAN TIX60 Refractory Concrete. Supply of ALFRAN TIX84 Refractory Concrete.