Menu
Specialty Equipment Systems
A.H. Lundberg supplies a range of chemical reactors and handling systems to efficiently and safely generate the process operation required.
We also offer a full range of engineering services to evaluate and redesign existing systems, updating as necessary to meet the most current plant standards of our customers.
Equipment Offerings:
- White Liquor Oxidation Systems
- Phase Separation Systems
- Mixers and Reactors
- Distillation Columns
- Sulphur Dioxide and Chlorine Vapourizers
- Specialty Pressure Vessels
- Quench Vessels
- Chemical Handling Systems
- Safety System Components
White Liquor Oxidation Systems
AHL supplies two types of White Liquor Oxidation Systems to generate a caustic substitute.
- Our patented Air Oxidation System drives residual sulphide content to virtually nil, while our Oxygen System is supplied as a module complete with all piping and instrumentation ready for connection to the mill’s piping
- Both systems ensure the efficient oxidation of sodium sulphide to sodium thiosulphate
Phase Separation Systems
AHL offers various Phase Separation Systems, including:
- Cyclones, slug catchers, and knock-out drums which use inertial impaction to remove liquid or solid particles from gases or vapours
- Chevron mist eliminators, which provide a higher degree of separation of small aerosols compared to single pass inertial vessels such as cyclones
- Foam breakers with a single-stage centrifuge used to mechanically de-aerate stable and highly viscous foams
- Decanters and storage tanks are used where it is necessary to remove an immiscible lower density fluid from another higher density fluid
- Chemical filters are used to remove suspended contaminants from an aqueous, organic or gaseous stream in order to produce a higher purity product
Mixers and Reactors
Also called Stirred Surface Reactors, these specialty pressure vessels incorporate an axial shaft with rotating plows, ribbons, or paddles to promote mixing, a chemical reaction or evaporation.
- The chemical reactor can be heat-jacketed to add or remove heat, subject to process requirements
- The vessels can incorporate the addition of a vacuum system and condenser to recover vapours released within the reactor
Distillation Columns
AHL provides design and supply of continuous feed distillation columns, and associated pre-heaters, reboilers, reflux condensers, and secondary product condensers.
- Designs employing random packing, structured packing, and trays are available. The choice of design is generally determined by the process requirements
Vapourizers
Our sulphur dioxide and chlorine vaporizers are modular and may include rail car off-loading systems as well as custody transfer systems.
- An integrated chemical reserve tank provides short-term storage, allowing uninterrupted operation during rail car change-overs
- Systems may incorporate compressed air or nitrogen padding, hose racks, ambient air monitoring, and high accuracy custody transfer instrumentation
Specialty Pressure Vessels
Process requirements for pressure vessels can be as simple as basic storage or can range to more complex designs incorporating condensing vapour feed streams, chemical addition, and agitation.
- AHL provides comprehensive process engineering expertise to ensure the integrity and safety of every vessel supplied for each service
Quench Vessels
Excessive heat entrained in gas streams can be effectively removed by direct injection of water or other liquids into the gas stream, utilizing evaporative cooling.
- Our quench vessels are designed to introduce fine aerosol sprays at critical positions on the vessel to achieve the most efficient absorption of the liquid without carry-over
- We offer refractory lined, brick-lined, high nickel alloy, and reactive metal construction as required by the process
- Horizontal and vertical arrangements are available
Chemical Handling Systems
Chemical handling systems from AHL include caustic and sulphuric acid dilution, and sodium hypochlorite dilution modules.
- All are available as systems integrated into a plant or as pre-fabricated, piped, instrumented, and tested modules prepared for shipment
Safety System Components:
- Flame Arresters
- Overflow Seals
- Excess Flow Valves
- Explosion Hatches
- Sulphur Dioxide and Chlorine Vapourizers
- Pressure and/or Vacuum Relief Valves
- Site Glasses
- Vent Dryers
- Soap Layer Interface Detections Systems