Ventilation innovation
Waste no energy
Air management specialist Mansfield Pollard – supplier of energy efficient ventilation and sound management equipment to a global consumer base – was appointed by MWH Global, a power, process and water solutions provider, to assist in the design of a complex ventilation strategy
T
he team at MWH Global was piloting new waste-to-energy sites in the UK when it approached Mansfield
Pollard. The complex project required a large air change rate in the main process hall to dissipate the heat from the 69MW Biomass Gasifier. Based in Bradford, Mansfield Pollard specialises in the design, manufacture, installation and commissioning of bespoke industrial air management and acoustic control solutions.
Whilst implementing the ventilation
strategy, the air management experts at Mansfield Pollard had to both guarantee low noise levels at neighbouring properties and maintain the fire integrity of the building. Mansfield Pollard pulled together the
technical resources of its vibration and acoustic control, ventilation and controls departments to put together a scheme that initially utilised natural ventilation
Optimum air control
Effective, compliant ventilation of multi- occupancy rooms is simplified with an innovative concept from Gilberts of Blackpool. The air movement specialist’s Mistrale
Fusion (MFS)Terminal is said to deliver optimum internal air control for less than £5/room/annum based on fan running costs. The initial single-sided through-structure unit
provides a one box, stand-alone solution, requiring no additional ductwork or plant. The Mistrale MFS is, says Gilberts, the first in a new series that revolutionises energy-efficient ventilation in non-domestic buildings. Gilberts’ sales director Ian Rogers says: “In one unit, it ticks all
the boxes in terms of natural ventilation criteria in multi- occupancy rooms such as classrooms.” Installed through the external façade or window, Mistrale MFS
mixes internal and external air to ventilate the internal space. A mixing damper within modulates airflow to allow the new, fresh air to mix with the warm exhaust air, thus extracting its heat without the need for an exchanger. The integrated low energy fan energises to blend the internal air, ensuring an even distribution of airflow, with control over temperature and CO2 levels within, and maintenance of a comfortable internal environment for occupants.
March 2017
Mansfield Pollard’s ventilation solution for MWH Global
for free coiling and then as the temperatures elevated banked fans were energised in sequence to maximise cross flow ventilation using the minimal amount of power.
As part of this scheme Mansfield Pollard also designed the control room, workshop, office ventilation and heat recovery as well as systems for the turbine hall. Paul Dresser, commercial director at Mansfield Pollard said: "We have extensive experience and expertise in designing and installing bespoke products for the most challenging of air management projects. The brief from MWH Global was complex and demanding, but we designed a ventilation strategy which exceeded the expectations of our client."
ilberts Blackpool, the air movement specialist, has added a roof light into its rooftop penthouse terminal. The option is available with Gilberts’ standard or bespoke designs, and encompasses glass or polycarbonate glazing to the roof top of the turret. It can be fitted in both new build and refurbishment schemes. The development means build and
New light on ventilation G
operational costs, and potential weak points on the roof, are all reduced, whilst the internal environment below still benefits from natural daylight and natural ventilation – both key requirements for eco-friendly strategies, particularly in schools. Gilberts’ new concept has already been fitted at a number of projects including Liverpool University’s Jordan Building, Athlone Institute of Technology and Sandringham School’s sports hall. “Combining a ventilation terminal with a roof light was something we designed
specifically for one client, but appreciate its advantage for the wider market,” observes Gilberts’ technical director Roy Jones. “Every building requires natural light and ventilation, and the roof is the most effective location for those ‘openings’. Any penetration through the roof opens it up for potential issues such as air leakage, water and weather ingress. If the number of penetrations can be kept to a minimum, construction, and longer-term maintenance and repair, costs and time are reduced.”
www.heatingandventilating.net
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