Thermal Insulation of Anaerobic Digesters

G LS Tan k s In tern ati on al G mb H Industri estraße 6 3860 Hei denrei chstei n A US TRIA Tel. : +43/ 2862/ 5318 7-0 Fax: +43/ 2862/ 5318 7-82 0 Em...
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G LS Tan k s In tern ati on al G mb H Industri estraße 6 3860 Hei denrei chstei n A US TRIA

Tel. : +43/ 2862/ 5318 7-0 Fax: +43/ 2862/ 5318 7-82 0 Email: [email protected] www.glstanks.com

Thermal Insulation of Anaerobic Digesters A key to success at AD plants is the thermal insulation of the digesters. The following is to point out the crucial points of insulations regarding quality and workmanship. A high-grade lagging saves heating costs in the course of years. Hence, the insulation is an often neglected efficiency factor of AD plants. Even though a higher initial invest ment seems to be deterring at first glance, it pays off quickly by means of the stately heating cost savings. Not until a few years of operation the true quality of insulations emerges. Our insulations do not get out of place underneath the cladding and are not prone to water stains. A 3.000m³ digester for instance features a total face of approx. 1.000m². If only 10 percent of the mineral wool get out of place, in Central Europe one loses on average at least 15kW of heat. Throughout a year one can reckon with a heat loss with approx. 177.900 kWh. GLS Tanks International solely offers high-grade executions at competitive prices. We do not offer bargains which inev itably turn out to be costly in the long run. Numerous reference plants throughout the world bear w itness of our quality and can be inspected any time. By default GLS insulations consist of a luminium-clad mine ral wool with a tra pezoida l sheet cladding. On the next pages you will find an accurate desc ription by means of images.

G LS Tan k s In tern ati on al G mb H Industri estraße 6 3860 Hei denrei chstei n A US TRIA

Tel. : +43/ 2862/ 5318 7-0 Fax: +43/ 2862/ 5318 7-82 0 Email: [email protected] www.glstanks.com

Distinguishing Feature No. 1 & 2: 1) 2)

The mineral wool adheres to the tank wall over the whole surface In addition, all mineral wool joints are pasted over by aluminium tape.

• By means of the adhesion the position of the mineral wool will be retained and unlike bargain offers it will not get out of place. • The special tape we deploy safeguards that heat losses are reduced to a negligible minimum. This entails an additional protection towards condensation water and storm water.

G LS Tan k s In tern ati on al G mb H Industri estraße 6 3860 Hei denrei chstei n A US TRIA

Tel. : +43/ 2862/ 5318 7-0 Fax: +43/ 2862/ 5318 7-82 0 Email: [email protected] www.glstanks.com

Distinguishing Feature No. 3: We use prefabricated c-profile bars which are adjusted to the girth of the tank as well as a thermal separation layer between c-profile bar and angle bracket.

• We prevent thermal bridges by sophisticated design

G LS Tan k s In tern ati on al G mb H Industri estraße 6 3860 Hei denrei chstei n A US TRIA

Tel. : +43/ 2862/ 5318 7-0 Fax: +43/ 2862/ 5318 7-82 0 Email: [email protected] www.glstanks.com

Distinguishing Feature No. 4: The mineral wool to tank plinth transition takes places by means of styrofoam brick segments.



Thereby the foundation connection remains dry and hence protected. This preventive measure safeguards the outstanding longevity of the insulation.

G LS Tan k s In tern ati on al G mb H Industri estraße 6 3860 Hei denrei chstei n A US TRIA

Tel. : +43/ 2862/ 5318 7-0 Fax: +43/ 2862/ 5318 7-82 0 Email: [email protected] www.glstanks.com

Distinguishing Feature No. 5: We deploy trapezoidal sheets with lengths up to 12m. In doing so our claddings get by without or merely one transverse joints. The trapezoidal cladding is bolted down with hex bolts. All exterior facing parts come in the same RAL colour.

• Visually appealing, faster assembly, less heat losses.

G LS Tan k s In tern ati on al G mb H Industri estraße 6 3860 Hei denrei chstei n A US TRIA

Tel. : +43/ 2862/ 5318 7-0 Fax: +43/ 2862/ 5318 7-82 0 Email: [email protected] www.glstanks.com

Distinguishing Feature No. 6: The claddings of insulated glass-lined steel roofs feature double standing seams in compliance with DIN standards. To comply with DIN standards we deploy a remote controlled seam closer.

• Solely double stand seams conformity with standards

safeguard

leak-tightness

and

G LS Tan k s In tern ati on al G mb H Industri estraße 6 3860 Hei denrei chstei n A US TRIA

Tel. : +43/ 2862/ 5318 7-0 Fax: +43/ 2862/ 5318 7-82 0 Email: [email protected] www.glstanks.com

Distinguishing Feature No. 7: Specifically developed lifting system eligible up to 100m (proved)! Adjustable to any tank girth.

• We cope with the most challenging site conditions

G LS Tan k s In tern ati on al G mb H Industri estraße 6 3860 Hei denrei chstei n A US TRIA

Tel. : +43/ 2862/ 5318 7-0 Fax: +43/ 2862/ 5318 7-82 0 Email: [email protected] www.glstanks.com

Closeups of Details:

Manway

Nozzles

Sight Glass

Anchorage for Piping

Roof Detail

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