Difference between revisions of "Biogas-Plant/C4/Maintenance-and-Repair/English-timed"
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− | | In this tutorial, we will learn different techniques to maintain and repair | + | | In this tutorial, we will learn different techniques to maintain and repair the biogas plant and the '''biogas burner'''. |
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− | | Maintenance should be carried out on a daily basis by doing the following | + | | Maintenance should be carried out on a daily basis by doing the following. |
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− | | This will ensure smooth flow of the bio-waste from the mixing tank into the | + | | This will ensure smooth flow of the bio-waste from the mixing tank into the digester tank'''. |
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− | |as they will accumulate at the base of the | + | |as they will accumulate at the base of the digester''' and hinder gas production. |
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− | | Hence, | + | | Hence, manure will come out in the slurry tank without being digested. |
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− | |If less bio-waste is fed into the digester | + | |If less bio-waste is fed into the digester then gas production will be low. |
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− | | Do so | + | | Do so by lifting the gas pipe so that the water can run back into the digester tank. |
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− | | No inflammable items like | + | | No inflammable items like lighter and/or cigarettes should be brought near the outlet pipe of the dome. |
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− | | Another important thing to be done is that | + | | Another important thing to be done is that slurry in the digester tank should be completely removed once in three years. |
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− | |Repair of | + | |Repair of biogas burner should always be done by a qualified technician. |
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− | |Wait for few minutes and light the burner to ensure that gas inflow has stopped. | + | |Wait for few minutes and light the burner to ensure that the gas inflow has stopped. |
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− | |This is done by using white cement and synthetic resin adhesive mixture. | + | |This is done by using '''white cement''' and '''synthetic resin adhesive''' mixture. |
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− | |This mixture will also help to seal cracks, if present. | + | |This mixture will also help to seal the cracks, if present. |
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|09:23 | |09:23 | ||
− | | To make this mixture use the following- 2 | + | | To make this mixture, use the following- 2 liters of water, |
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| 09:33 | | 09:33 | ||
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− | | Let us summarize. In this tutorial, we learnt about different techniques | + | | Let us summarize. In this tutorial, we learnt about different techniques to maintain and repair of the biogas plant and the biogas burner. |
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| 10:13 | | 10:13 | ||
− | | This video was created by | + | | This video was created by the '''Spoken Tutorial Project''' with inputs from '''Rural-ICT project, IIT Bombay.''' |
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Revision as of 16:05, 6 December 2016
Time | Narration |
00:01 | Hello and welcome to the Spoken Tutorial on Maintenance and Repair of the Biogas plant. |
00:10 | In this tutorial, we will learn different techniques to maintain and repair the biogas plant and the biogas burner. |
00:27 | Periodic partial and complete cleaning of the biogas plant is a must. |
00:36 | This will ensure that the biogas plant runs smoothly. |
00:43 | It will also ensure efficient working of the biogas plant for many years. |
00:52 | Let us first look into the maintenance section. |
00:58 | So, how often should one carry out maintenance of the biogas plant? |
01:07 | Maintenance should be carried out on a daily basis by doing the following. |
01:16 | Always, mix the bio-waste with water in the proper ratio. |
01:25 | This will ensure smooth flow of the bio-waste from the mixing tank into the digester tank. |
01:36 | If adding plant waste, crush and chop the leaves up to 1-4 cms. |
01:49 | Do not feed too much straw into the digester tank as it is difficult to be digested. |
02:00 | Sticks and branches of trees should also be avoided. |
02:08 | Soap, oil, chemical, insecticide and pesticides should not be added. |
02:18 | Soil, sand or stone should also not be added |
02:26 | as they will accumulate at the base of the digester and hinder gas production. |
02:34 | Quantity of bio-waste to be supplied depends upon the size of the plant. |
02:42 | Too much bio-waste should not be fed into the digester. |
02:47 | This will lead to shorter retention time i.e. bio-waste will be in the digester tank for lesser time and fermentation won’t be completed. |
03:04 | Hence, manure will come out in the slurry tank without being digested. |
03:12 | If less bio-waste is fed into the digester then gas production will be low. |
03:22 | Water condensation should be checked regularly |
03:27 | as water in the pipeline will block the passage of gas. |
03:33 | Do so by lifting the gas pipe so that the water can run back into the digester tank. |
03:45 | Also, keep a check that the slurry is being pumped out smoothly into the slurry tank. |
03:55 | Ensure that the slurry is being emptied out of the slurry tank when it is full. |
04:04 | No inflammable items like lighter and/or cigarettes should be brought near the outlet pipe of the dome. |
04:17 | Another important thing to be done is that slurry in the digester tank should be completely removed once in three years. |
04:33 | This is usually done by the mason himself. |
04:40 | As shown, keep the mixing tank and the slurry tank covered. |
04:48 | This is done to ensure proper hygiene and to avoid breeding of mosquitoes near the plant. |
04:59 | Let us now look into the repair section. |
05:06 | Repair of biogas burner should always be done by a qualified technician. |
05:15 | What you see here is a biogas burner with the flame. |
05:22 | To start repairing, first switch off the inflow of gas by turning off the knobs on the hose pipe and at the burner. |
05:39 | Doing so is very important. |
05:43 | What you see here is the burner without the flame after the knobs have been turned off. |
05:52 | Wait for few minutes and light the burner to ensure that the gas inflow has stopped. |
06:03 | Now remove the hose pipe connected to the burner. |
06:09 | Do so by loosening the Vohj clip tightened on the hose pipe connected to the burner. |
06:19 | Once it is loosened, pull out the hose pipe. |
06:25 | Now place the hose pipe near your ear to check for the sound of gas. |
04:36 | No sound means no gas inflow and the repair work can be carried out safely. |
06:47 | Now we start dismantling the burner. |
06:53 | Next we will remove the debris in the burner. |
06:59 | As shown in the image, blow air through the hose-burner connector. |
07:09 | This will also help to check if air is reaching smoothly to the flame ring. |
07:19 | Slightly tap the burner and then turn it upside down. |
07:26 | You can see the debris fallen from the burner. |
07:33 | In case of hard debris which cannot be removed by blowing air, a dry scrubbing pad can be used. |
07:47 | To clean the flame ring, use a pin and insert it into the holes for cleaning. |
07:58 | A ring with clean holes will ensure smooth flow of gas and fuller flame. |
08:09 | A clean ring will look like this. |
08:15 | Apart from what is mentioned, periodic inspection of the plant is necessary. |
08:24 | Inspection will help to locate cracks on the surface of the digester tank. |
08:33 | Otherwise, the generated biogas can escape into the atmosphere through these cracks. |
08:43 | Hence, these cracks need to be sealed quickly. |
08:51 | Once in 3 years, the mason also repaints the inner wall of the digester tank. |
09:03 | This is done by using white cement and synthetic resin adhesive mixture. |
09:14 | This mixture will also help to seal the cracks, if present. |
09:23 | To make this mixture, use the following- 2 liters of water, |
09:33 | 250 gms of Synthetic Resin Adhesive and 2 kgs of white cement. |
09:49 | Mix these thoroughly and use. |
09:54 | Let us summarize. In this tutorial, we learnt about different techniques to maintain and repair of the biogas plant and the biogas burner. |
10:13 | This video was created by the Spoken Tutorial Project with inputs from Rural-ICT project, IIT Bombay. |
10:26 | More information on these projects can be found at these links. |
10:35 | This is Bella Tony, along with the animation team of the Spoken Tutorial project, signing off.
Thank you for joining. |