Method changed..

 

Tittle        : Method Changed

Objective : To explain another method ofg getting result

 

Due to some problem where the waste does not produced biogas in a large volume, the reading of pressure cannot be taken. So, i try to change the method whereby water bag/ bottled water is used to prove the presence of biogas. It is placed at the nozzle of the pressure gauge.

 

 

About the turbine, i will used "something" as a replacement of the biogas to moves the turbine. At first, i was thinking to blow it so that it moves and gives output. But, after some thinking, it is not practical and is not a proper way to make because i have to show/demo to my accessors during presentation of final year project. So, i will find out a suitable material/hardware that can be used to moves the turbine. Below is a sketching of the designed of the turbine.

 

 

Sealed~~

Tittle        : Sealed Suspected Area

 

Objective : To seal at the suspected area that caused leakage 

 

The suspected area around the lid that cause leakage has been sealed using "Epoxy Super Strength Steel".

 

 

Epoxy adhesive is applied arround the lid

the gap that cause leakage

the gap is sealed

 

Leakage ~

Tittle        : Leakage

Objective : To close the leak that occured

 

For the past two weeks, i had put the waste inside the cooker and i've found out there was a leakage. The leakage was detect by the smell of the yeast but i am not sure where the smell came from. So, i just assume the leakage was came from the pressure gauge and safety over pressure tube. To solve this problem, i closed this leakage using "Epoxy Super Strength Steel".

 

 

 

 

After a few hours waiting, i go to check if there is still a leakage. Unfortunately the smell is still there. So, probably the leakage is came from the lid of the cooker and i have to seal it soon.

New Turbine.

Tittle        : New Turbine

 

Objective : To justify the reason of not using homebuilt turbine

 

 

After find out that the turbine i've made before this cannot be used because the motor is so heavy. I have to use a very light motor that can turn even if i just blow it. So, this is the turbine that i get from miss Pusparini Dewi.

turbine (cannot be used)

new turbine

 

 

The problem here is i still get the same output for the new turbine and it can only produce about a.iv(maximum). So, i have to find suitable boost circuit that required lowest input voltage for this turbine. Unfortunately, i cannot find it. So this is my big problem in this project but i am trying to solve this problem.

 

Put the waste inside the cooker!!

Tittle        : Filled the pressure cooker

 

Objective : To fill the waste garbe into the pressure cooker

 

 

To complete this process i need to make sure i have a hygiene protection procedures. I had bought gloves and masks to do this process to avoid smell form the waste but no matter what i still can smell the yeast. In this process, i used many materials and i took a picture while i'm doing this process.

 

 

 

yeast

 

 

 

smelly yeast

box(soil n food waste)

 

 

 

mask

gloves

 

 

scale

 

empty cooker

 

 

I had put all the food waste, soil and yeast inside the cooker but i did not take a picture due to the smell. Actually, i have no one to help me take a picture and at that time my hand is dirty. Finally, i have sealed the waste.

Connect temperature gauge at cooker lid

Tittle        : Tick temperature gauge on the cover lid of the cooker

 

Objective : To attach the temperature gauge by by using adhesive.

 

 

 

After my supervisor (miss puspa) told me to try open the nut form the cooker lid, i try to open it by using long nose and i did it. There was a hole that ican put my temperature gauge inside without drill it. So, one of my problem is settled. I bought a glue to stick it on the cooker lid. The first glue i used is RED RTV Silicone where the glue color is red. After waited about 15minutes i discovered that the glue is not strong enough to stick the gauge.

 

 



 

 



Then, the next day i went to hardware shop to buy another glue that is strong enough to stick the gauge. After few minutes finding the right glue, i found  this "EPOXY SUPER STRENGTH STEEL" that need about 1 hour to make sure the glue is dry enough and completely stick to the lid. The differences about this glue is there are 2 glue that has to mix together before apply it to the surfaces and the result is excellent. It just i had forgotten to take the picture where the gauge is stickon the cooker lid.

 

 

 

 

Temperature gauge

Tittle       : Temperature gauge

 

Objective : To show the temperature gauge that is going to be used in this project.

 

 

This is one of the equipment that is hard for me to find. Actually, i prefer to use temperature gauge sensor where it can detect temperature using sensor and i was thinking to use digital temperature gauge so it is easier to take the value. I went to several shops including car accessories shop to find this gauge but unfortunately i cannot find it. So, i just bought common temperature gauge at Ace hardware that is used for cooking.

 

 

 

 

So this gauge will be placed at the top of cover lid of the cooker to measure inner temperature. I will update the progress when this gauge is successfully construct.