Paper Industry

Paper Industry recycled water filtration

Paper Industry recycled water filtration is enabled by the BOLLFILTER system installed at UPM-Kymmene Oyj, Tervasaari. In 1999, UPM-Kymmene Tervasaari rebuilt its raw water treatment and pumping system, installing two BOLLFILTER Automatic systems as mainstream filters to ensure the quality of water supply to the plant.

Paper Industry recycled water filtration

Technical Specifications Shower Water

Sub Application UPM-Kymmene Kuusankoski PM8  - wire section showers filtration
Water Treatment BOLLFILTERs Automatic Type 6.18 DN300
Water Type Clear Filtrate
Flow Rate 140 l/sec
Filtration Level 150 microns
Integration With Distributed Control System DCS
Client UPM-Kymmene

Technical Specifications Shower Water

Sub Application UPM-Kymmene Stora Enso Varkaus PM1 - wire section showers filtration
Water Treatment BOLLFILTERs Automatic Type 6.18 DN200
Water Type Clear Filtrate
Flow Rate 52 l/sec
Filtration Level 50 microns
Integration With Distributed Control System DCS
Client UPM-Kymmene

Technical Specifications Sand Filter

Sub Application UPM-Kymmene Kymipaper Oy, PM8 Arttiproject - sand filtration police filter
Water Treatment BOLLFILTERs Automatic Type 6.18 DN700
Water Type Chemically treated water sand particle removal
Flow Rate 367 l/sec
Filtration Level 50 microns
Integration With Distributed Control System DCS
Client UPM-Kymmene Oyj, Tervasaari

Technical Specification Raw Water

Sub Application UPM-Kymmene Oyj, Tervasaari - raw water filtration
Water Treatment BOLLFILTERs Automatic Type 6.18 DN900
Water Source Lake
Flow Rate 2000 l/sec
Filtration Level 200 microns
Integration With Distributed Control System DCS
Client UPM-Kymmene

Paper Industry recycled water filtration, Finland UPM-Kymmene Oyj Project

The BOLLFILTERs, which are fully integrated into the DCS (Distributed Control System), have reduced the power consumption of the pumping systems, thanks to the very low clean pressure drop afforded by the large filtration area.

Finnish Paper Industry recycled water filtration using BOLLFILTER automatics

Over the last 35 years, BOLL & KIRCH has supplied many hundreds of their backflushing BOLLFILTER Automatic Type 6.18 to the Finnish Paper Industry. Mill owners have chosen them thanks to a history of exceptional reliability and their minimal maintenance requirements. BOLLFILTER systems have also proven their value in many paper application processes, such as post sand filter ‘policing’ and the filtration of raw water, sealing water, process water and cooling water. Paper Industry recycled water filtration is a key segment of our global filters business.

Shower water filtration

One of the most common applications is in Shower Water processes where the filters protect the shower nozzles. Installed in the shower supply line, they prevent clogging and resultant costly downtime and loss of production.

Proven performance

BOLLFILTER Nordic has supplied dozens of BOLLFILTERs Automatic Type 6.18 for shower water applications, where they provide 24 hour protection with a normal annual service interval. The first Shower Water BOLLFILTER in Finland was delivered to Stora Enso Varkaus in 1968 and installed in the PM1 wire section shower. It worked reliably until 2000 when it was upgraded with a new BOLLFILTER. Since then, three other machine’s shower water systems have been upgraded with the installation of BOLLFILTERs Automatic Type 6.18.

Sand filter police filters

Sand filters quite often release some sand particles and they need to be filtered out before they go to production. Sand particles are easy to remove with BOLL & KIRCH filters. Due to the large filtration areas, BOLL & KIRCH filters are very economical since the sand filtered and/or chemically treated water is expensive. The loss of water during the flushing is usually a couple of seconds total flow a day. BOLL & KIRCH filter candles last for decades in these applications.

UPM-Kymmene Kymipaper Oy, PM8 ”Arttiproject”

When the Kuusankoski PM8 was rebuilt, it also included an installation of a BOLL & KIRCH filter to their chemically treated water line. The purpose of the installation is to filter out particles from the sand filters. These particles might lower the paper quality and cause problems in the different mechanical components of the paper making machines.

Raw water filters

Raw water filters need to be reliable, accurate and as maintenance free as possible. BOLL & KIRCH filters quite rarely need spare parts during their first ten years of operation. Service intervals can also be longer than a year. BOLL & KIRCH filter candles are made of titanium alloy stainless steel. Raw water filters are very important components in a pulp or paper mill's process system. Defect free operation is essential.

Photograph above shows the BOLLFILTER system installed at UPM-Kymmene Oyj, Tervasaari. Download printable Case Study.

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