Difference between revisions of "Biogas-Plant/C3/Assembly-of-the-Biogas-plant/English"
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3. check if it is firmly placed. | 3. check if it is firmly placed. | ||
− | + | ||
+ | The pipe will be fixed permanently in this position- | ||
* when the outer wall of the dome will be plastered. | * when the outer wall of the dome will be plastered. | ||
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| style="border:0.75pt solid #000000;padding:0.071cm;"| | | style="border:0.75pt solid #000000;padding:0.071cm;"| | ||
− | On the side of the dome adjacent to where the mixing tank will be placed | + | On the side of the dome adjacent to where the mixing tank will be placed, make a firm base. |
− | + | ||
− | + | ||
− | + | ||
− | + | ||
− | |||
− | |||
+ | This base should be 4 feet and 5 inches higher than the dome for placing the mixing tank. | ||
− | |||
+ | Next, on the side of the dome facing the base of the mixing tank, cut chicken mesh. | ||
− | |||
+ | Use a scissor to cut the mesh and make hole of 6 inch diameter. | ||
− | |||
− | |||
+ | Through this hole- | ||
+ | * one end of the inlet pipe will be inserted | ||
+ | * at an angle of 45 degrees. | ||
− | |||
+ | Rest the other end of the inlet pipe- | ||
* at the base of the mixing tank and | * at the base of the mixing tank and | ||
* plaster it with cement mixture. | * plaster it with cement mixture. | ||
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* Sand- 200 kgs | * Sand- 200 kgs | ||
* '''Cement'''- 100 kgs | * '''Cement'''- 100 kgs | ||
− | * Liquid waterproofing material- 150 ml mixed in 20 Ltrs of water | + | * Liquid waterproofing material- 150 ml thoroughly mixed in 20 Ltrs of water |
* Adequate amount of water | * Adequate amount of water | ||
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| style="border:0.75pt solid #000000;padding:0.071cm;"| [[Image:]] | | style="border:0.75pt solid #000000;padding:0.071cm;"| [[Image:]] | ||
| style="border:0.75pt solid #000000;padding:0.071cm;"| The base of the Digester tank has to be plastered for the second time. | | style="border:0.75pt solid #000000;padding:0.071cm;"| The base of the Digester tank has to be plastered for the second time. | ||
− | |||
|- | |- | ||
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Next comes the attaching of the walls of the slurry tank with the dome. | Next comes the attaching of the walls of the slurry tank with the dome. | ||
− | * | + | * Hole of the slurry tank has to be 6 inches lower than the dome. |
− | * | + | * This will ensure free flow of slurry into the slurry tank. |
|- | |- | ||
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With the hook, interlock the excess chicken mesh - | With the hook, interlock the excess chicken mesh - | ||
− | + | # at the base of the dome and | |
− | + | # at the edge of the slurry tank wall | |
|- | |- | ||
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[[Image:]] | [[Image:]] | ||
| style="border:0.75pt solid #000000;padding:0.071cm;"| | | style="border:0.75pt solid #000000;padding:0.071cm;"| | ||
− | Apply this mixture carefully so that there are no gaps at all. | + | Apply this mixture carefully, so that there are no gaps at all. |
|- | |- | ||
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|- | |- | ||
| style="border:0.75pt solid #000000;padding:0.071cm;"| | | style="border:0.75pt solid #000000;padding:0.071cm;"| | ||
− | | style="border:0.75pt solid #000000;padding:0.071cm;"| Leaving the dome for curing | + | | style="border:0.75pt solid #000000;padding:0.071cm;"| Leaving the dome for curing, we will now attach the mixing tank. |
− | + | ||
− | + | ||
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The mixing tank is connected to the digester tank via the Inlet pipe. | The mixing tank is connected to the digester tank via the Inlet pipe. | ||
− | * | + | * Before placing, check the hole at the base of the mixing tank. |
− | * | + | * The hole should be placed just in front of the inlet pipe of 6 inch diameter. |
Remember - | Remember - | ||
− | + | This inlet pipe of 6 inch diameter | |
+ | *has been already inserted inside the dome | ||
* at an angle of 45 degrees. | * at an angle of 45 degrees. | ||
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| style="border:0.75pt solid #000000;padding:0.071cm;"| | | style="border:0.75pt solid #000000;padding:0.071cm;"| | ||
− | For the hole of the mixing tank and the inlet pipe to be in line with each other | + | For the hole of the mixing tank and the inlet pipe to be in-line with each other, do the following: |
|- | |- | ||
− | | style="border:0.75pt solid #000000;padding:0.071cm;"| | + | | style="border:0.75pt solid #000000;padding:0.071cm;"| |
− | + | ||
− | + | ||
[[Image:]] | [[Image:]] | ||
− | | style="border:0.75pt solid #000000;padding:0.071cm;"| | + | | style="border:0.75pt solid #000000;padding:0.071cm;"| |
* Place three bricks around these two and plaster it with '''cement.''' | * Place three bricks around these two and plaster it with '''cement.''' | ||
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| style="border:0.75pt solid #000000;padding:0.071cm;"| [[Image:]] | | style="border:0.75pt solid #000000;padding:0.071cm;"| [[Image:]] | ||
| style="border:0.75pt solid #000000;padding:0.071cm;"| | | style="border:0.75pt solid #000000;padding:0.071cm;"| | ||
− | * | + | * After plastering, leave it for curing overnight. |
|- | |- | ||
| style="border:0.75pt solid #000000;padding:0.071cm;"| [[Image:]] | | style="border:0.75pt solid #000000;padding:0.071cm;"| [[Image:]] | ||
| style="border:0.75pt solid #000000;padding:0.071cm;"| | | style="border:0.75pt solid #000000;padding:0.071cm;"| | ||
− | * | + | * This is how, it will look in a functional '''Biogas plant''' |
− | + | ||
|- | |- | ||
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2. The dimensions would be- | 2. The dimensions would be- | ||
− | * 1 foot 5 inches length, 1 foot and 5 inches width and 2 feet of height | + | * 1 foot 5 inches of length, 1 foot and 5 inches of width and 2 feet of height. |
3. Dig another pit at the front of the lower tank as shown in the image. | 3. Dig another pit at the front of the lower tank as shown in the image. | ||
4. The dimensions would be- | 4. The dimensions would be- | ||
− | * 10 inch of length, 28 inches of width and 2 feet of height | + | * 10 inch of length, 28 inches of width and 2 feet of height. |
5. Lay foundation- | 5. Lay foundation- | ||
− | * on both the adjacent sides and the front side of the lower tank | + | * on both the adjacent sides |
− | * | + | * and the front side of the lower tank |
+ | * usinggravel, '''cement''' and sand mixture. | ||
− | 6. The gravel, sand and cement is mixed- | + | 6. The gravel, sand and '''cement''' is mixed- |
* in the same proportion as mentioned previously. | * in the same proportion as mentioned previously. | ||
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8. Plaster the edges of the walls with '''cement.''' | 8. Plaster the edges of the walls with '''cement.''' | ||
− | 9. The wall with the hole should face the fields | + | 9. The wall with the hole should face the fields. |
10. This will help the slurry to flow out smoothly through the hole. | 10. This will help the slurry to flow out smoothly through the hole. | ||
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| style="border:0.75pt solid #000000;padding:0.071cm;"| | | style="border:0.75pt solid #000000;padding:0.071cm;"| | ||
− | Coming back | + | Coming back to the dome- |
* Place approximately 25 jute gunny bags on the dome. | * Place approximately 25 jute gunny bags on the dome. | ||
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| style="border:0.75pt solid #000000;padding:0.071cm;"| Slide 10 | | style="border:0.75pt solid #000000;padding:0.071cm;"| Slide 10 | ||
− | * Spray as much | + | * Spray as much as required to wet the outer wall of the dome. |
* Jute bags placed on the outer wall help to retain the water. | * Jute bags placed on the outer wall help to retain the water. | ||
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| style="border:0.75pt solid #000000;padding:0.071cm;"| | | style="border:0.75pt solid #000000;padding:0.071cm;"| | ||
− | * Spray as much | + | * Spray as much as required to wet the outer wall of the dome. |
* Jute bags placed on the outer wall help to retain the water. | * Jute bags placed on the outer wall help to retain the water. | ||
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* 2kgs of white '''cement''' | * 2kgs of white '''cement''' | ||
− | Apply this mixture on the inside of the digester tank, to seal | + | Apply this mixture on the inside of the digester tank, to seal cracks, if any. |
|- | |- | ||
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| style="border:0.75pt solid #000000;padding:0.071cm;"| After 17 days of total curing time- | | style="border:0.75pt solid #000000;padding:0.071cm;"| After 17 days of total curing time- | ||
− | * raw | + | * raw material can be put into the''' Biogas plant.''' |
|- | |- | ||
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|- | |- | ||
| style="border:0.75pt solid #000000;padding:0.071cm;"| [[Image:]] | | style="border:0.75pt solid #000000;padding:0.071cm;"| [[Image:]] | ||
− | | style="border:0.75pt solid #000000;padding:0.071cm;"| Now, to check whether '''Biogas''' has been produced | + | | style="border:0.75pt solid #000000;padding:0.071cm;"| Now, to check whether '''Biogas''' has been produced, do the following- |
− | + | * Ensure that both the safety valves are in open position, for the gas to be conveyed. | |
− | + | ||
− | + | ||
− | * Ensure that both the safety valves are in open position for the gas to be conveyed. | + | |
* Light the burner and check the flame for production of the '''Biogas.''' | * Light the burner and check the flame for production of the '''Biogas.''' | ||
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The pipe from the dome towards the kitchen has to be shown in red | The pipe from the dome towards the kitchen has to be shown in red | ||
| style="border:0.75pt solid #000000;padding:0.071cm;"| | | style="border:0.75pt solid #000000;padding:0.071cm;"| | ||
− | The gas conveyer pipe from the dome | + | The gas conveyer pipe from the dome towards the kitchen should be- |
* always in an upward direction. | * always in an upward direction. | ||
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| style="border:0.75pt solid #000000;padding:0.071cm;"| | | style="border:0.75pt solid #000000;padding:0.071cm;"| | ||
This brings us to the end of this '''tutorial ''' | This brings us to the end of this '''tutorial ''' | ||
− | |||
− | |||
− | |||
− | |||
|- | |- | ||
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− | In this''' tutorial,''' we learnt, | + | In this''' tutorial,''' we learnt, how to assemble the following- |
− | + | ||
− | + | ||
* Digester tank with the dome | * Digester tank with the dome |
Revision as of 18:47, 3 June 2016
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|
Slide 1
Assembly of the Biogas plant. |
Hello everyone.
Welcome to this Spoken Tutorial on Assembly of the Biogas plant. |
Slide 2
Learning Objectives We will learn how to assemble-
[[Image:]] |
In this tutorial-
We will learn how to assemble the following:
Please note that this is an activity of Day 3. |
Let us start | |
[[Image:]] |
Transfer the chicken mesh dome to the actual plant site. |
[[Image:]] |
Place the dome on the raised wall of the digester tank. |
[[Image:]]
[[Image:]] [[Image:]] |
Once this is done, fix the main gas pipe of 1 inch diameter, on the top of the dome.
1. hold the pipe with the external thread on the top. 2. insert the pipes between the holes of the 3 chicken layers and rotate slightly. 3. check if it is firmly placed.
|
[[Image:]]
Show arrow at the external thread |
Notice the external thread at the top of the gas pipe. |
An important thing to be done, next, is the following- | |
[[Image:]]
[[Image:]] Arrow at the inlet pipe and the base to keep mixing tank |
On the side of the dome adjacent to where the mixing tank will be placed, make a firm base.
|
Slide 3
Bio-waste will reach the digester tank through this inlet pipe. |
Bio-waste will reach the digester tank through this inlet pipe. |
[[Image:]]
Encircle the inlet pipe |
This is how the inlet pipe will look like from inside the dome. |
Slide 4
Once the gas pipe is fitted :
|
Once the gas pipe is fitted, we need to plaster the dome from outside. |
Slide 5
An interesting fact -
|
An interesting fact -
|
[[Image:]]
[[Image:]][[Image:]] |
For first coat of plastering, use the following-
|
[[Image:]] | What you see here, is the mason using the first coat of plaster, on the dome. |
Slide 6
Before entirely plastering the outer wall of the dome do the following |
Before entirely plastering the outer wall of the dome - |
[[Image:]] | The base of the Digester tank has to be plastered for the second time. |
Slide 7
Ratio of cement mixture to be used is- [[Image:]] |
Ratio of cement mixture to be used is- |
[[Image:]] |
|
[[Image:]] | Remember -
The thickness of the layer of the plaster should be about 3 inches only. |
Show pictorial (graphic) image |
Next comes the attaching of the walls of the slurry tank with the dome.
|
[[Image:]]
Animation for interlocking |
Place the slanting wall(s) of the slurry tank at either sides of the entrance to the dome.
|
[[Image:]] |
Carefully-
|
[[Image:]] |
To seal the joints, use cement mixture with adequate amount of water. |
[[Image:]]
[[Image:]] |
Apply this mixture carefully, so that there are no gaps at all. |
[[Image:]] |
Please note that at this point-
|
[[Image:]] | The plastered dome should now be left for 6-8 hours for curing. |
Leaving the dome for curing, we will now attach the mixing tank.
| |
[[Image:]]
Show arrow at the hole [[Image:]] |
The mixing tank is connected to the digester tank via the Inlet pipe.
This inlet pipe of 6 inch diameter
|
[[Image:]] |
For the hole of the mixing tank and the inlet pipe to be in-line with each other, do the following: |
[[Image:]] |
|
[[Image:]] |
|
[[Image:]] |
|
Slide 9
|
Now, plaster the entire outer dome wall for the second time. And the inner wall of the dome as well. |
[[Image:]] | Prepare the cement mixture as follows-
|
[[Image:]] |
Spread this mixture evenly on the outer wall of the dome. |
[[Image:]] |
And on the inner wall of the dome, as well. |
[[Image:]]
[[Image:]] |
Smoothen out the plaster by using the wooden trowel. Leave the whole structure for curing for 17 days. |
This brings us to the end of Day 3 | |
On day 4, we will do the following- | |
[[Image:]]
|
1. Dig two rectangular pits adjacent to the side walls of the lower tank. 2. The dimensions would be-
3. Dig another pit at the front of the lower tank as shown in the image. 4. The dimensions would be-
5. Lay foundation-
6. The gravel, sand and cement is mixed-
7. Now, join the four walls of the upper slurry tank. 8. Plaster the edges of the walls with cement. 9. The wall with the hole should face the fields. 10. This will help the slurry to flow out smoothly through the hole. |
[[Image:]] |
Coming back to the dome-
|
Slide 10
|
|
[[Image:]] |
Lastly, the entire dome should be covered-
|
Slide 11
|
|
This brings us to the end of Day 4 | |
On the 15th day of curing- | |
Make a mixture of
Apply this mixture on the inside of the digester tank, to seal cracks, if any. | |
[[Image:]] | At this point, the civil work of the Biogas plant is completed.
|
[[Image:]] | Connect the main gas pipe-
Otherwise, gas leakage from this joint cannot be stopped easily. |
[[Image:]] | From the main gas control valve, we have to connect a gas conveyer pipe. |
Slide 12
The joint between the main gas and gas control valve should be perfectly air-tight |
Once again, connect these using a straight joint and ensure it is air-tight. |
[[Image:]] | The gas conveyer pipe extends all the way to the kitchen. |
[[Image:]] | Inside the kitchen-
|
|
Then connect the rubber hose pipe to the other end of the water outlet pipe.
|
[[Image:]] | Lastly, connect the rubber hose to the stove.
After all the connections are made, the Biogas plant is ready for use. |
[[Image:]] | After 17 days of total curing time-
|
For the Animator
Create a background image by merging both the images given below. |
Initial production of Biogas will take about 6 days.
|
[[Image:]] | Now, to check whether Biogas has been produced, do the following-
|
Slide 13
How to avoid water condensation? |
Another issue is water condensation.
|
[[Image:]]
The pipe from the dome towards the kitchen has to be shown in red |
The gas conveyer pipe from the dome towards the kitchen should be-
|
This brings us to the end of this tutorial | |
Slide 14
Summary
|
Let’s Summarize-
How to assemble the following-
|
Slide 3
Acknowledgements This video was created by: Spoken Tutorial Project with inputs from Rural-ICT team, IIT Bombay. |
This video was created by-
Spoken Tutorial Project with inputs from Rural-ICT team, IIT Bombay. |
More information on these projects can be found at these links | More information on these projects can be found at these links. |
Pictures and technology support: Courtesy: Bhagirath Rural Development Foundation Village- Zarap, Taluka- Kudal, Dist.- Sindhudurg |
Pictures and technology support: Courtesy: Bhagirath Rural Development Foundation Village- Zarap, Taluka- Kudal, Dist.- Sindhudurg |
This is Bella Tony along with the animation team of the Spoken Tutorial project signing off.
Thank you for joining. |