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Zigzag Solar water heater

From OHO - search engine for sustainable open hardware projects

Zigzag Solar water heater

Basic Data

Category: Solar collectors

URL (first publication): https://www.wot.utwente.nl/publications/zigzag.pdf

Keywords: zigzag, solar energy, heater, water, sustainable, boiling, communities

License: CERN OHL v1.2

Organization: WOT

Project status: Active

Certification status: Approved

Translation status: 1-Without Translation

Technical documentation

Maturity of the project: prototype


Contains PDF-drawings: Yes

Assembly instructions are published: Yes

Bill of materials is published: Yes

Contributing guide is published: No

Mechanical hardware

Contains original mechanical hardware: Yes

CAD Format:

License for mechanical hardware: CERN OHL v1.2

Electronic hardware

Contains original electronic hardware: No







no

yes yes



Other

Contains original software: No




Technology Readyness Level TRL: 7






Oseg zswh A1 zigzag solar water heater 000.jpg

Description

Blueprints and instructions for the construction of a solar water heater

Based on manual published by WOT. It may be helpful in constructing solar collectors and building hot water systems especially for communities using large quantities of hot water.

This project is published under the terms of the CERN-OHL licence.

This project was supported by the german Foundation E.ON Stiftung.

Technical documentation

Structure analysis

Structure sim.jpg

Attestation

Attestation zigzag solar water heater 02.jpg The project Zigzag solar water heater was reviewed by two reviewers from the OHO team. The review consisted of the following components:

1. Completeness check: Checks if all required documents have been submitted.

2. Review of the submitted documents: Checks if the information in the submitted documents is complete and correct.

2.1 Bill of materials - Are all parts and assemblies covered? - Are all quantities correct? - Are all required material specifications available? - Are all specifications for purchased parts and standard parts complete?

3.2 Technical drawings - Are all the required views available? - Are all required dimensional data available?

4.1 Suggestions for improvement

Detail abot the review process: https://en.oho.wiki/wiki/Instructions_for_Reviewers

Permanent Link: https://en.oho.wiki/wiki/Zigzag_Solar_water_heater?oldid=34854


+ General Reviews General Reviews

Parts list

Pos. Pos. old Qty. Part Name Part code Part Type Specifications Review Status Show All Comments
A1 zigzag solar water heater A1

REV1: Approved
REV2: Approved

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A2 zigzag solar water heater A2

REV1: Approved
REV2: Approved

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B Part list B

REV1: Approved
REV2: Approved

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C1 Technical notes C1 General notes

REV1: Approved
REV2: Approved

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C2 Technical notes C2 Hydraulic scheme

REV1: Approved
REV2: Approved

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1.0 2.1 3 The Absorber 1.0

REV1: Approved
REV2: Approved

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1.1 2.1.1 3 1/2" galvanised pipe 1.1 Production galvanised iron

REV1: Approved
REV2: Approved

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1.2 2.1.4 3 galvanised sheet 1.2 Production One 1.22*2.44 sheet

REV1: Approved
REV2: Approved

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1.3 16 saddles 1.3 Production 0.5 mm, galvanised sheet

REV1: Approved
REV2: Approved

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1.4 64 rivets 9,4 x 18 1.4 Standard rivets 9,4 x 18 expand

REV1: Approved
REV2: Approved

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2.0 2.2 3 collector-box 2.0

REV1: Approved
REV2: Approved

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2.1 6 sides planks 2.1 Production pine wood or similar

REV1: Approved
REV2: Approved

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2.2 6 front planks 2.2 Production pine wood or similar

REV1: Approved
REV2: Approved

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2.3 6 supporting laths 2.3 Production pine wood or similar

REV1: Approved
REV2: Approved

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2.4 3 bottom plank 2.4 Production pine wood or similar

REV1: Approved
REV2: Approved

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2.5 3 insulating material 2.5 Production For thermal insulation material, the following can be used, among others:
 -  polystyrene,  -  fiberglass, -  empty bags of fibre with sawdust, -  Coconut-fibre.
With good radiation and thermal insulation, the system can produce water between 40 and 70 °C.

REV1: Approved
REV2: Approved

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2.6 3 cover glass 2.6 Production 4 mm glass

REV1: Approved
REV2: Approved

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2.7 8 rubber strip 2.7 Production rubber

REV1: Approved
REV2: Approved

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2.8 3 angle section 2.8 Production Angle section aluminum 25x25x3; L: 1180

REV1: Approved
REV2: Approved

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3.0 3 1 insulated storage tank 3.0

REV1: Approved
REV2: Approved

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3.1 1 storage tank 3.1 Standard 200-litredrum 867 height * 584 diam [mm]

REV1: Approved
REV2: Approved

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3.2 4 galvanised pipe 1/2" 3.2 Production galvanised iron

REV1: Approved
REV2: Approved

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3.3 2 galvanised pipe 3/4" 3.3 Production galvanised iron

REV1: Approved
REV2: Approved

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Item Reviews
3.4 1 insulating material 3.4 Production For thermal insulation material, the following can be used, among others:
 -  polystyrene,  -  fiberglass, -  empty bags of fibre with sawdust, -  Coconut-fibre.
With good radiation and thermal insulation, the system can produce water between 40 and 70 °C.

REV1: Approved
REV2: Approved

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Item Reviews
4.0 4 the buffer tank 4.0

REV1: Approved
REV2: Approved

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4.1 1 buffer tank 4.1 Standard half 200-litre drum 433 height * 584 diam [mm]

REV1: Approved
REV2: Approved

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4.2 3 galvanised pipe 1/2" 4.2 Production galvanised iron

REV1: Approved
REV2: Approved

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4.3 1 floating gauge 4.3 Standard Tank float valve, 15 gpm, 60 psi, 1/2" NPT

REV1: Approved
REV2: Approved

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5.0 1 foundation storage tank 5.0

REV1: Approved
REV2: Approved

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5.1 4 steel-pipe 50x50x500 5.1 Production steel A36

REV1: Approved
REV2: Approved

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5.2 2 steel-pipe 50x50x600 5.2 Production steel A36

REV1: Approved
REV2: Approved

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5.3 2 steel-pipe 50x50x800 5.3 Production steel A36

REV1: Approved
REV2: Approved

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5.4 2 steel-pipe 50x50x1050 5.4 Production steel A36

REV1: Approved
REV2: Approved

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5.5 4 steel-pipe 50x50x1800 5.5 Production steel A36

REV1: Approved
REV2: Approved

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5.6 6 rectangular flancher 5.6 Production steel C45

REV1: Approved
REV2: Approved

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5.7 2 steel-pipe 50x50x1067 5.7 Production steel A36

REV1: Approved
REV2: Approved

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5.8 2 steel-pipe 50x50x784 5.8 Production steel A36

REV1: Approved
REV2: Approved

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5.9 2 steel-pipe 50x50x400 5.9 Production steel A36

REV1: Approved
REV2: Approved

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5.10 2 steel-pipe 50x50x810 5.10 Production steel A36

REV1: Approved
REV2: Approved

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5.11 2 steel-pipe 50x50x1081 5.11 Production steel A36

REV1: Approved
REV2: Action required

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5.12 2 steel-pipe 50x50x1290 5.12 Production steel A36

REV1: Approved
REV2: Approved

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5.13 2 steel-pipe 50x50x500 5.13 Production steel A36

REV1: Approved
REV2: Approved

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6.0 1 base collector 6.0 inclination depends on the region

REV1: Approved
REV2: Approved

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6.1 2 steel-pipe 50x50x330 6.1 Production steel A36

REV1: Approved
REV2: Approved

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6.2 2 steel-pipe 50x50x600 6.2 Production steel A36

REV1: Approved
REV2: Approved

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6.3 2 steel-pipe 50x50x800 6.3 Production steel A36

REV1: Approved
REV2: Approved

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6.4 2 steel-pipe 50x50x2300 6.4 Production steel A36

REV1: Approved
REV2: Approved

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7.0 pipe fitting and accesories 7.0

REV1: Approved
REV2: Approved

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7.1 6 galvanised pipe 1/2" x 450 7.1 Standard galvanised iron

REV1: Approved
REV2: Approved

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7.2 3 galvanised pipe 1/2" x 600 7.2 Standard galvanised iron

REV1: Approved
REV2: Approved

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7.3 2 galvanised pipe 1/2" x 830 7.3 Standard galvanised iron

REV1: Approved
REV2: Approved

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7.4 10 galvanised elbow 1/2"-90° 7.4 Standard galvanised iron

REV1: Approved
REV2: Approved

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7.5 4 galvanised tee 1/2"-90° 7.5 Standard galvanised iron

REV1: Approved
REV2: Approved

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