Heating Ventilation Air Conditioning HVAC

Protection of heat exchangers & pumps in art gallery liquid to air cooling & heating system

The Hepworth Gallery is a busy UK tourist attraction and houses work of world-renowned artist Barbara Hepworth (1903-1975). Paintings and other delicate artworks require critical atmospheric management.

Protection of heat exchangers & pumps in art gallery liquid to air cooling & heating system

Technical Specifications

Sub Application Automatic Filtration for HVAC Applications
System 2 x BOLLFILTER Automatic Type 6.18 DN150 Filters in parallel
Housing Made of EN-GJS-400-15 (internals painted)
Operating Pressure 3 bar
Filtration level 500 µm
Filter flow rate 216 m3/hr (for each unit)
Operator The Hepworth Gallery, Wakefield

River water system for HVAC heating ventilation air conditioning

Background

The Hepworth Gallery is a busy UK tourist attraction and houses work of world-renowned artist Barbara Hepworth (1903-1975). Paintings and other delicate artworks require critical atmospheric management. The River Calder location provides an ideal renewable energy solution for this building, rather than the usual gas or oil-fuelled boiler typically found in the basements of such buildings. A “Liquid to Air” water cooling and heating distribution HVAC system with under floor heating was designed for this location. The system works via an array of pipes, heat exchangers, pumps, control units and the Estate Management Team who oversee all these operations.

Description of the solution

For  this  application,  a  dual  bank  of  duty  pumps  each  with  a BOLLFILTER Automatic Type 6.18 were fitted to filter the river water down  to  500  micron  to  protect  the  heat  exchangers. The BOLLFILTERS prevent blockage of the heat exchangers to ensure the required flow is maintained, resulting in efficient heat transfer and therefore  efficient  cooling  and  heating  of  the  building.  The BOLLFILTERS are a fully automated, robust units which backflush the accumulated debris to waste, controlled by timers with DP override.

Advantages and benefit for the customer

The water quality has improved substantially due to the performance of the BOLLFILTERS, which has reduced the contamination in the system to a minimum and ensures smooth operation. It has gained in thermal output and therefore improved the operability and regeneration of the system. Installing BOLLFILTERS for solid removal will extend the lifetime of a typical HVAC system. The BOLLFILTERS require minimal maintenance and will operate for many years.
 

Testimonial

Alan Lovett, Estates Manager of The Hepworth Gallery said; "The Hepworth uses river water to heat and cool the building. Pre-filtered river water passes through two automatic BOLLFILTER filtration units before transferring to the heat exchangers. The Bollfilters are an important part of the system, preventing minute debris particles entering the exchange units, which have the potential to shut the system down. The filters are maintained to a high standard by way of regular planned maintenance by
BOLLFILTER engineers." Download printable Case Study.

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