Difference between revisions of "Biogas-Plant/C3/Construction-of-the-Mixing-tank/English-timed"

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(Created page with " {| border=1 | '''Time''' | '''Narration''' |- | 00:02 |Hello everyone and welcome to this Spoken Tutorial on construction of the mixing tank. |- | 00:12 | This is an activi...")
 
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|Hello everyone and welcome to this Spoken Tutorial on construction of the mixing tank.
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|Hello everyone and welcome to this '''Spoken Tutorial''' on '''construction of the mixing tank'''.
  
 
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| In this tutorial, we will learn-  Significance of the mixing tank and how to construct a mixing tank.
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| 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
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| Let’s first understand the Significance of the mixing tank and shape of the mixing tank.
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| Let’s first understand the significance of the mixing tank and shape of the mixing tank.
  
 
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| Mixing tank is where biomass is mixed with water and passed into the digester tank.
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| Mixing tank is where biomass is mixed with water and passed into the '''digester tank'''.
  
 
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| For example, 25 kgs of manure should be mixed in 25 litrers of water.
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| For example, 25 kgs of manure should be mixed in 25 liters of water.
  
 
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| Weldmesh sheet of thickness 16 gauge  
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| Weldmesh sheet of thickness 16 gauge,
  
 
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|  Some Newspaper
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|  some newspaper,
  
 
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|  Sand
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|  sand,
  
 
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| Cement
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| cement,
  
 
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| And Liquid waterproofing material  
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| and liquid waterproofing material.
  
 
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| The Step-by-step procedure to construct mixing tank is as follows-
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| The step-by-step procedure to construct mixing tank is as follows-
  
 
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| 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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| 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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|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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|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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| Sand- 75 kgs
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| sand- 75 kgs,
  
 
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| Cement-25 kgs
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| cement-25 kgs,
  
 
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| Liquid waterproofing material - 50 ml thoroughly stirred in 10 litres of water.
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| liquid waterproofing material - 50 ml thoroughly stirred in 10 litres of water
  
 
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|  And adequate water to mix this mixture well.Note that no gravel is used in this mixture
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|  and adequate water to mix this mixture well. Note that no gravel is used in this mixture.
  
 
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| Finally smoothen the plastering using a wooden trowel.
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| Finally, smoothen the plastering using a wooden trowel.
  
 
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| This must be done carefully so as to not break the plastered outer wall of the mixing tank.
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| This must be done carefully so as not to break the plastered outer wall of the mixing tank.
  
 
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| While plastering, please remeber the position of the hole that is at the base.
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| While plastering, please remember the position of the hole that is at the base.
  
 
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|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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|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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|Assembly of the mixing tank for the Biogas plant will be explained in a later tutorial.
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|Assembly of the mixing tank for the biogas plant will be explained in a later tutorial.
  
 
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|07:45
 
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| Let’s Summarize. In this tutorial, we learnt- Significance of the mixing tank
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| Let’s Summarize. In this tutorial, we learnt- significance of the mixing tank
  
 
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| 07:56
 
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| And How to construct a mixing tank
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| and how to construct a mixing tank.
  
 
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|08:01
 
|08:01
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|This video was created by Spoken Tutorial project along with inputs from Rural-ICT Project, IIT Bombay.
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|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
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| More information on this Mission is available at this given link
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| More information on this mission is available at this given link.
  
 
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|08:23
 
|08:23
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| This is Bella Tony along with the Animation team from Spoken Tutorial Project, IIT Bombay signing off.
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| 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.

Contributors and Content Editors

PoojaMoolya, Sandhya.np14

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