Difference between revisions of "Biogas-Plant/C3/Construction-of-the-Mixing-tank/English-timed"
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| 00:02 | | 00:02 | ||
− | |Hello everyone and welcome to this Spoken Tutorial on construction of the mixing tank. | + | |Hello everyone and welcome to this '''Spoken Tutorial''' on '''construction of the mixing tank'''. |
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| 00:18 | | 00:18 | ||
− | | In this tutorial, we will learn | + | | In this tutorial, we will learn the significance of the mixing tank and how to construct a mixing tank. |
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| 00:31 | | 00:31 | ||
− | | Let’s first understand the | + | | Let’s first understand the significance of the mixing tank and shape of the mixing tank. |
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| 00:44 | | 00:44 | ||
− | | Mixing tank is where biomass is mixed with water and passed into the digester tank. | + | | Mixing tank is where biomass is mixed with water and passed into the '''digester tank'''. |
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| 01:37 | | 01:37 | ||
− | | For example, 25 kgs of manure should be mixed in 25 | + | | For example, 25 kgs of manure should be mixed in 25 liters of water. |
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| 02:12 | | 02:12 | ||
− | | Weldmesh sheet of thickness 16 gauge | + | | Weldmesh sheet of thickness 16 gauge, |
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| 02:18 | | 02:18 | ||
− | | | + | | some newspaper, |
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| 02:21 | | 02:21 | ||
− | | | + | | sand, |
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| 02:23 | | 02:23 | ||
− | | | + | | cement, |
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| 02:25 | | 02:25 | ||
− | | | + | | and liquid waterproofing material. |
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| 02:31 | | 02:31 | ||
− | | The | + | | The step-by-step procedure to construct mixing tank is as follows- |
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| 02:52 | | 02:52 | ||
− | | Next, at a distance of 34 inches from one end of the sheet make a hole of size 4 inch diameter with a metal cutting scissor. | + | | Next, at a distance of 34 inches from one end of the sheet, make a hole of size 4 inch diameter with a metal cutting scissor. |
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| 03:59 | | 03:59 | ||
− | |Pour sand up till the brim of the structure.This will give firmness to the mesh while plastering the outer wall. | + | |Pour sand up till the brim of the structure. This will give firmness to the mesh while plastering the outer wall. |
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| 04:30 | | 04:30 | ||
− | | | + | | sand- 75 kgs, |
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| 04:34 | | 04:34 | ||
− | | | + | | cement-25 kgs, |
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| 04:40 | | 04:40 | ||
− | | | + | | liquid waterproofing material - 50 ml thoroughly stirred in 10 litres of water |
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| 04:51 | | 04:51 | ||
− | | | + | | and adequate water to mix this mixture well. Note that no gravel is used in this mixture. |
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| 05:14 | | 05:14 | ||
− | | Finally smoothen the plastering using a wooden trowel. | + | | Finally, smoothen the plastering using a wooden trowel. |
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| 05:38 | | 05:38 | ||
− | | This must be done carefully so as | + | | This must be done carefully so as not to break the plastered outer wall of the mixing tank. |
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| 06:21 | | 06:21 | ||
− | | While plastering, please | + | | While plastering, please remember the position of the hole that is at the base. |
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| 07:12 | | 07:12 | ||
− | |Remember - | + | |Remember -the following has to be completed on same day i.e day 2 of civil work. Hence, the mason has to plan accordingly. |
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|07:35 | |07:35 | ||
− | |Assembly of the mixing tank for the | + | |Assembly of the mixing tank for the biogas plant will be explained in a later tutorial. |
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|07:45 | |07:45 | ||
− | | Let’s Summarize. In this tutorial, we learnt- | + | | Let’s Summarize. In this tutorial, we learnt- significance of the mixing tank |
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| 07:56 | | 07:56 | ||
− | | | + | | and how to construct a mixing tank. |
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|08:01 | |08:01 | ||
− | |This video was created by Spoken Tutorial project along with inputs from Rural-ICT Project, IIT Bombay. | + | |This video was created by '''Spoken Tutorial''' project along with inputs from '''Rural-ICT Project, IIT Bombay'''. |
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| 08:15 | | 08:15 | ||
− | | More information on this | + | | More information on this mission is available at this given link. |
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|08:23 | |08:23 | ||
− | | This is Bella Tony along with the | + | | This is Bella Tony along with the animation team from '''Spoken Tutorial Project, IIT Bombay''', signing off. |
Thank you for joining. | Thank you for joining. | ||
|} | |} |
Revision as of 11:13, 29 November 2016
Time | Narration |
00:02 | Hello everyone and welcome to this Spoken Tutorial on construction of the mixing tank. |
00:12 | This is an activity to be done on Day 2. |
00:18 | In this tutorial, we will learn the significance of the mixing tank and how to construct a mixing tank. |
00:31 | Let’s first understand the significance of the mixing tank and shape of the mixing tank. |
00:44 | Mixing tank is where biomass is mixed with water and passed into the digester tank. |
00:55 | The mixing tank is usually cylindrical in shape. |
01:02 | A mixing tank of height 2 feet and diameter 22 inches has the capacity to hold 25 kgs of manure mixed in water. |
01:22 | However, dry manure should never be put into this tank. |
01:29 | Manure should always be mixed in equal quantity of water. |
01:37 | For example, 25 kgs of manure should be mixed in 25 liters of water. |
01:50 | This will ensure free flow of the biomass into the digester tank. |
01:59 | Let’s see the construction of the mixing tank. |
02:05 | For construction, following items are used- |
02:12 | Weldmesh sheet of thickness 16 gauge, |
02:18 | some newspaper, |
02:21 | sand, |
02:23 | cement, |
02:25 | and liquid waterproofing material. |
02:31 | The step-by-step procedure to construct mixing tank is as follows- |
02:41 | Spread the Weldmesh sheet of 69 inches x 24 inches on the ground. |
02:52 | Next, at a distance of 34 inches from one end of the sheet, make a hole of size 4 inch diameter with a metal cutting scissor. |
03:08 | Now tie the loose ends, end to end with steel wire. |
03:17 | We need to make a cylinder like structure with diameter 22 inches and height 24 inches. |
03:31 | Note that the hole has to be at the base of the mixing tank. |
03:40 | Now, place newspaper or any other paper inside the structure. |
03:50 | The paper will help hold the sand that will be filled inside this structure. |
03:59 | Pour sand up till the brim of the structure. This will give firmness to the mesh while plastering the outer wall. |
04:14 | Now, we will plaster the outer wall of the mixing tank. |
04:23 | Prepare cement mixture as follows- |
04:30 | sand- 75 kgs, |
04:34 | cement-25 kgs, |
04:40 | liquid waterproofing material - 50 ml thoroughly stirred in 10 litres of water |
04:51 | and adequate water to mix this mixture well. Note that no gravel is used in this mixture. |
05:05 | Start plastering the outside wall of the mixing tank as shown here. |
05:14 | Finally, smoothen the plastering using a wooden trowel. |
05:22 | The mixing tank should be left overnight for curing. |
05:29 | Next day, take out all the sand placed inside the mixing tank. |
05:38 | This must be done carefully so as not to break the plastered outer wall of the mixing tank. |
05:51 | Once the sand is taken out, plaster the inside wall of the mixing tank. |
06:02 | Prepare fresh cement mixture as was prepared for outer wall of the mixing tank. |
06:13 | Spread half inch of this mixture on the inside wall. |
06:21 | While plastering, please remember the position of the hole that is at the base. |
06:30 | We need to break the plaster from here, later. |
06:37 | Let the plaster on the inside wall dry for 6-7 hours. |
06:48 | After 6 to 7 hours, remove the plaster at the position of the hole by slightly tapping it. |
07:00 | At this point the mixing tank is ready to be transferred to the actual plant site. |
07:12 | Remember -the following has to be completed on same day i.e day 2 of civil work. Hence, the mason has to plan accordingly. |
07:30 | This brings us to the end of this tutorial. |
07:35 | Assembly of the mixing tank for the biogas plant will be explained in a later tutorial. |
07:45 | Let’s Summarize. In this tutorial, we learnt- significance of the mixing tank |
07:56 | and how to construct a mixing tank. |
08:01 | This video was created by Spoken Tutorial project along with inputs from Rural-ICT Project, IIT Bombay. |
08:15 | More information on this mission is available at this given link. |
08:23 | This is Bella Tony along with the animation team from Spoken Tutorial Project, IIT Bombay, signing off.
Thank you for joining. |