Product category:
Plant services equipment
News Release from: Dust Extraction International | Subject: Centralised Vacuum Cleaning System
Edited by the Manufacturingtalk Editorial
Team on 05 December 2003
Centralised vacuum cleaning system
ensures quality
Centralised vacuum cleaning system for a car plant ensures workstations and process equipment are kept at optimum cleanliness levels, thus maintaining the integrity of a premium product.
Dust Extraction (International) has completed the design and installation of a Centralised Vacuum Cleaning System for Jaguar Cars' Coventry plant The system serves Jaguar's operations and press shops where interior veneers for prestige models including the Xl00, X202, X350 and X400 are processed
This article was originally published on Manufacturingtalk on 14 Oct 2004 at 8.00am (UK)
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The system enables operators to ensure their workstations and process equipment are kept at optimum cleanliness levels, thus maintaining the integrity of the premium product being manufactured.
Individually designed pipework systems have been installed, enabling nine operators to use the system in the operations area and six in the adjacent press shop, giving an overall system capacity for up to 15 operators using 40 mm bore flexible hoses and tools.
The extracted materials are conveyed through the 'smoothbore' pipework system to a filter separator located at the exterior of the building.
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The separator is provided with high quality anti-static smooth surface filtration media mounted on mesh cages, with the media being cleaned by the 'pulse on demand' system conserving the client's compressed air supply.
The products are discharged from the vessel on an 'as and when' required basis via a pneumatically-operated discharge valve into the client's 200 litre drums for off-site disposal.
The plant is connected to a spark detection system, which has been designed and installed by a specialist contractor.
In addition an explosion relief panel is fitted to the barrel section of the filter protecting it from rupture in the unlikely event of an explosion.
The vessel and the client's drums are protected from overfilling by high level detector probes and access has been provided for inspection and maintenance of the filters.
To protect the environment, an absolute HEPA filter is fitted between the filter and the exhauster with an efficiency of 99.997% to the DOP test method.
The conveying air for the system is generated by a multi-stage centrifugal exhauster, powered by a 45.0kW motor and fitted with anti-vibration mounts, an electro/pneumatic anti-surge protection system and a discharge silencer.
The unit is also provided with an inlet valve ensuring the system cannot be started under 'load' conditions.
Although the exhauster is provided with a 45kW motor, the absorbed power at the duty point of the performance curve is 33kW, which equates to 2.2kW/operator.
The 45kW motor covers the majority of the exhauster's performance curve, thereby preventing system overload if excessive operators connect into the system.
Dust Extraction (international) was also contracted to provide the necessary control panel for the system, housing the star delta motor starter, sequenced controls and contacts for interlocking with all electrical components for operation.
Contacts have been provided so that the panel can be interlocked with the client's Building Management System (BMS) in the future.
The panel has been constructed to comply fully with the client's current site standards and specifications.
To fulfil this complete 'turn key' project, Dust Extraction (International) also engaged site approved subcontractors to carry out the necessary building work and electrical installation in accordance with the client's specifications.
Dust Extraction (International) Limited personnel installed the system, including modifying the compressed air system, without any disruption to Jaguar's production schedule.
Dust Extraction (International) also enabled Jaguar Cars representatives to view a similar installation that had been operational for a number of years, heightening their confidence in the company's ability to deliver the bespoke system they required at a price that was acceptable.
Their Senior Production Engineer has stated that the system has been well received from personnel on the shop floor, is used regularly and it is performing above expectations, also the system was installed without any disruption to production.
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