step-by-step guide to constructing a floating drum biogas...

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Step-by-Step Guide to Constructing a Floating Drum Biogas Digester. 1500l 1000l 1500l 75mm 63mm Make a 63mm hole for the OUTLET at the TOP of the tank Cut the top off the 1500l DIGESTER tank like this

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Page 1: Step-by-Step Guide to Constructing a Floating Drum Biogas ...biogas.wikispaces.com/file/view/Step+by+Step+Construction.pdf · Step-by-Step Guide to Constructing a Floating Drum Biogas

Step-by-Step Guide to Constructing a Floating Drum Biogas Digester.

1500l 1000l 1500l

75mm

63mm

Make a 63mm hole for the

OUTLET at the TOP of the tank

Cut the top off the 1500l DIGESTER

tank like this

Page 2: Step-by-Step Guide to Constructing a Floating Drum Biogas ...biogas.wikispaces.com/file/view/Step+by+Step+Construction.pdf · Step-by-Step Guide to Constructing a Floating Drum Biogas

Make a 75mm hole for INLET near the

BASE of the tank on the OPPOSITE side to

the OUTLET

63mm fittings for the OUTLET

Cut the top off the GAS HOLDER tank like this

Page 3: Step-by-Step Guide to Constructing a Floating Drum Biogas ...biogas.wikispaces.com/file/view/Step+by+Step+Construction.pdf · Step-by-Step Guide to Constructing a Floating Drum Biogas

Put OUTLET pieces together like this and fit onto the DIGESTER tank

1

5 6

4 3 2

8

7

7

For all threaded fittings, apply white thread tape to

improve the seal

OUTLET

Page 4: Step-by-Step Guide to Constructing a Floating Drum Biogas ...biogas.wikispaces.com/file/view/Step+by+Step+Construction.pdf · Step-by-Step Guide to Constructing a Floating Drum Biogas

Apply EPOXY RESIN around ALL joints

touching the tanks to make water/gas

tight seals

9

13

12

11 10

14

Page 5: Step-by-Step Guide to Constructing a Floating Drum Biogas ...biogas.wikispaces.com/file/view/Step+by+Step+Construction.pdf · Step-by-Step Guide to Constructing a Floating Drum Biogas

75mm fittings for the INLET/FEEDPIPE

The pipe must extend to the centre

of inside of the DIGESTER tank

5

4

3

2

1

INLET

Page 6: Step-by-Step Guide to Constructing a Floating Drum Biogas ...biogas.wikispaces.com/file/view/Step+by+Step+Construction.pdf · Step-by-Step Guide to Constructing a Floating Drum Biogas

8 7 6

11 10 9

Page 7: Step-by-Step Guide to Constructing a Floating Drum Biogas ...biogas.wikispaces.com/file/view/Step+by+Step+Construction.pdf · Step-by-Step Guide to Constructing a Floating Drum Biogas

Insert FEED PIPE 1.2 m long into TEE

12 15 14

13

13

Page 8: Step-by-Step Guide to Constructing a Floating Drum Biogas ...biogas.wikispaces.com/file/view/Step+by+Step+Construction.pdf · Step-by-Step Guide to Constructing a Floating Drum Biogas

12.5 mm Gas Fittings

Gas fittings

Make ½”

(12.5mm)hole

in the TOP of

the gas holder

tank. The hole

should be near

the EDGE of the

tank

Fit the male adapter to the

inside of gas holder tank

Page 9: Step-by-Step Guide to Constructing a Floating Drum Biogas ...biogas.wikispaces.com/file/view/Step+by+Step+Construction.pdf · Step-by-Step Guide to Constructing a Floating Drum Biogas

Place clean

bricks in the

bottom of the

DIGESTER

tank to

support the

GAS HOLDER

tank and the

INLET PIPE

Fill the DIGESTER tank

according to the

START UP instructions

Filling the tank/starting up the system

After filling the

DIGESTER

tank, place the

GAS HOLDER

tank inside the

DIGESTER

Page 10: Step-by-Step Guide to Constructing a Floating Drum Biogas ...biogas.wikispaces.com/file/view/Step+by+Step+Construction.pdf · Step-by-Step Guide to Constructing a Floating Drum Biogas

When gas has collected in the GAS

HOLDER tank, attach the GAS HOSE

to the TAP and attach to the GAS

STOVE in the kitchen. Use ½” HOSE

CLIPS to secure the hose at both

ends 1

4 3

2