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Latest update: 01.12.2020
AJAX Equipment
TEL: +44 1204 386723
Milton Works, Mule Street
BL2 2AR   Bolton
United Kingdom
Contact
+44 1204 386723
Mr. Lyn Bates
Chairman
+44 1204 541904
Mr. Eddie McGee
Managing Director
+44 1204 541902
Mr. Mark Waters
Finance/Commercial Director
+44 1204 541900
Mr. Matt Barnes
Production Manager
+44 1204 386723
Ms. Colette Peachey
Office Administrator
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Ajax was formed in 1970 to specialise in the design and manufacture of equipment to handle and process bulk solids. Our factory extends over 3000 sq. m and incorporates extensive fabrication facilities for mild and stainless steel, aluminium and hi nickel alloys. The design office uses 2D and 3D technology to enhance the design process and the technical services we provide include powder flow property testing and practical feed and processing trials. We use our understanding of flow behaviour allied with an innovative approach to generate equipment designs which are well considered for the individual application.

The work that is undertaken by Ajax is distinguished by specifying designs that best meet the client’s requirements and is often bespoke rather than standard ’off the shelf’ forms of equipment.

Our works is about a mile from the town centre and 12 miles North West of Manchester. Bolton itself has become strategically placed within the motorway network, having access to the M60, M61 and M62 within several miles thus offering quick and easy access from all parts of the North of England and, via the M6 and M1, the rest of the country.
Products, services
 Screw feeders - Screw Feeders are constant displacement devices that employ a variable speed drive to provide volumetric control of powder flow.
 Screw conveyors - Screw conveyors accept a controlled feed from upstream equipment such as a screw feeder or a rotary valve.
 Hoppers - Hopper Design, Hopper Inserts. Hopper and Feeder Interface, Powder Testing for Flow
 Continuous mixers - AJAX mixers produce a high quality mix at the ’scale of scrutiny’ because of the efficient multiple and progressive actions of paddles or ribbons.
 Lump breakers - Multiple mechanisms are used by the Ajax lump breaker to reduce the lump size.
 Rigid IBC’s - The LynFlowTM bin system matured from many years of expertise by Ajax in powder technolog
 Heat exchangers - The AJAX range of screw based continuous heat transfer equipment includes machines to heat or cool materials (whilst mixing or conditioning)
 Screw flights - AJAX Equipment produce screw augers and flights only for new applications as well as damaged or worn out equipment.
 Screw elevators - Ajax screw elevators are offered for a wide range of throughputs, product characteristics and site layout needs
 Sack Tip Stations - AJAX Sack Tip stations feature an enclosed chamber in which sacks may be emptied remotely avoiding generation of dust clouds and wastage of product.
 Powder Testing for Flow - powder properties, bulk flow characteristics: bulk density, wall friction, shear strength
Categories
Storage - Silo discharge - screw-feeders-for-silo-discharge
Storage - Silo services - silo-design-and-measurements
Storage - Silo services - measurement-wall-friction
Storage - Silo services - measurement-bridging-properties
Handling - hoppers
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Categories
Storage - Silo discharge - screw-feeders-for-silo-discharge
Storage - Silo services - silo-design-and-measurements
Storage - Silo services - measurement-wall-friction
Storage - Silo services - measurement-bridging-properties
Handling - hoppers
Handling - Handling of bulk containers - bulk-containers-ibc-s
Handling - handling-of-big-bags
Handling - handling-of-drums-barrels
Handling - Handling of drums, barrels - Discharge systems for drums - drum-tipping-unit
Handling - handling-of-bags-sacks
Conveyors, transport equipment - screw-conveyors
Conveyors, transport equipment - Screw conveyors - vertical-screw-conveyors
Conveyors, transport equipment - Pneumatic transport - diverters-for-pneumatic-transport
Particle size reduction - Crushers, mills - de-lumpers
Cooling/Heating - Coolers, heaters - screw-heaters-coolers
Mixing, blending - mixers
Mixing, blending - Mixers - paddle-mixers

Specialist articles

Hopper inserts, an approach to solving poor flow Enhanced hopper performance through sustained examination of  materials, hopper geometries and influence of insert design.
Hopper inserts, an approach to solving poor flow
Enhanced hopper performance through sustained examination of materials, hopper geometries and influence of insert design. The enormous volume of bulk materials handled every year means solids must be stored in hoppers, intermediate bulk containers, silos and other storage devices, often several times before being processed. However, storage can result in a number of handling issues including erratic surges, arching, ratholes, packing, flushing, dead regions, feed upsets, and in some cases can reduce the suitability of the product for the next process stage [IMG01**L45] [IMG02**R45] Although it is seemingly counterintuitive to introduce an obstacle into the storage container as a solution to these problems, the use of inserts can enhance storage container performance. An insert is usually a static fitting on the inside of a bulk storage container, including liners and other modifications that alter the internal space of a vessel. Flow regimes are determined by how the individual particles in a bulk solid respond to local forces at contact points. An insert alters the flow regime
02.02.2021  |  035x  | 
Improving flow in hoppers with Sigma2-relaxation Plane flow is less troublesome as axisymmetric flow. Sigma2-relaxation will show even less flow problems. By: Lyn Bates
Improving flow in hoppers with Sigma2-relaxation
Plane flow is less troublesome as axisymmetric flow. Sigma2-relaxation will show even less flow problems. By: Lyn Bates Stresses on bulk materials can be applied as compressive, tensile or in shear. Whatever combination is applied can be resolved into principle stresses by means of Mohr’s circles. i.e, stresses acting normal to surfaces at right angles to each other without shear stresses. Stresses applied on a sample in one principle plane induce a deformation, creating a reduced stress at 90° according to the Poisson’s ratio of the material (See fig. 2a). That is the change in the width per unit width of a material relative to its change in its length as a result of strain. Bulk material flowing down a conical converging channel has to deform in two planes under the compressive stresses of reducing diameter. Product in a plane flow channel only converges is one plane so, despite being confined, it will flow down walls about 10° less steep that in a cone. A plane flow channel that widens slightly at 90° to the converging plane will allow a larger degree of relaxation to
28.01.2021  |  027x  | 
The importance of the Tensile Strength of powders Tensile Strength is the prime component of cohesion, which has many adverse consequences, especially in small scale, as in pharmaceutical applications
The importance of the Tensile Strength of powders
Tensile Strength is the prime component of cohesion, which has many adverse consequences, especially in small scale, as in pharmaceutical applications Great emphasis is directed to securement of measured values of the flow properties of bulk materials because of the need to design storage, process and handling equipment that provides reliable performance. Until the 1960’s the design of bulk storage equipment depended largely on empirical experience because of the lack of a scientific understanding of the behaviour in bulk of particulate materials. From a background in soil mechanics, [1], hopper design parameters were established in the 1960’s based on the measurement of bulk density, wall friction and shear strength values. [2]. This initiated industrial, academic and Government interest in the benefits that industry may gain from a scientific approach to the subject of bulk technology with seminars, conferences, exhibitions, magazines and specialised courses springing up all over the world. Shear plane length limitations of the Jenike call were overcome by annular cells, [3], [4], [5]. Interest in the dynamic
17.12.2020  |  049x  | 
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