Question & Answer about raw materials and suitable production process (1)

pea11 August 2008

[QUESTION]: Dear Anupap,

I am interested in Machinery to produce charcoal briquett. I intend to start the project in my country. Please do email me a price quote for the whole system including the information (manual) on how to make them. I am specifically interested in making charcoal from coffee husks, rice husks , coconut husks, macadamia husks saw dust and maize cobs.

I don't know whether your machines can support making charcoal from sugar cane wastes? please let me know.

Thanking you and looking forward to your response.

Regards,

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Question & Answer about raw materials (Wooden Pallet and Wooden Wastes)

pea11 August 2008

---- This is a correspondent e-mails so you need to read it from the bottom ----

Dear ____,

Thank you again for your reply and detailed information.

Concerning your raw materials (wooden pallets, wooden wastes), the most difficult part would be carbonization of material (either you make briquette then carbonize it or carbonize materials first before making into briquette).

In our case (in Thailand), we normally carbonize the wooden wastes into charcoal before using it directly or making into pellet for better usage (we call cold process). However, before we do so (carbonize those wooden materials), we need to remove nails and other metal. Then the wood materials will be converted into charcoal by conventional kilns (because lowest cost, fair quality charcoal, low maintenance cost of kilns, easy construction, etc). Conventional kilns are either brick type kilns or brick-clay type kilns (we have also metal kilns but not much used due to high corrosion of steel kilns resulted from wood vinegar generated during carbonization process).

Also, the reason why we carbonize wooden wastes prior to making into briquette is that we can reduce the amount (weight) of wastes after carbonization to less than 30-35%. Then the handling will become easier and less amount. The power required to make charcoal chunk into briquette is much less than making wooden wastes into sawdust and then making into briquette and carbonize it later. The total cost of charcoal briquette making can be 10 times or more different from making them into sawdust first. FYI, machine size for making 150-200 kg/hr in charcoal case is 10 HP, comparing to sawdust case is 40 HP with heater. Maximum temperature (excluding carbonization) in case of sawdust is about 250-270 degree Celsius (we call hot process), compared with 60-70 degree Celsius in case of making into charcoal first.

The sawdust case also requires dryer, shredder, and other related machines too at the original amount capacity (compared with weight reduction about 1/3 in case of making into charcoal first). You can imagine how complicated and difficult between these 2 processes.

Actually we own both factories (maximum of about 600 kg/hr briquetting machine). The maximum capacity in the video file you mentioned in your first e-mail is about 1,500 kg/hr.

Please refer to attached production scheme between these 2 processes.

That is why we need to understand your raw materials.

Please give us comments and we will get back to you asap.

Have a good day & Best regards,

Anupap

--- Previous message ----

From: ____
Sent: 2010 8:57 PM
To: Anupap Udomsab
Subject: Re: Inquiry

Dear Anupap,

We work with government Wasteplex reduction planning to reduce wooden waste.

We would like to?convert wooden pallets &? wooden waste of construction to sawdust log.

We need? a cartbonization production line to??convert sawdust log? to be charcoal briquette.

Our targeted daily productivity is 300-500 tones per day.

we have some questions:

1) How many msq should be resevered for production line?

2) How many technician can come to assist the development of production line and operation?

3) Maintenance period?

?

Looking forward to hearing from u soonest!

B.Regards

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Question & Answer about raw materials and suitable production process (2)

pea11 August 2008

---- This is a correspondent e-mails so you need to read it from the bottom ----

Dear ,

Thank you very much for your time yesterday and sorry for my late quotation.

Please let me summarize again about the options that you have.

1) Biomass briquette making: this process can be used to produce briquette from most of biomass (semi-dry material). The briquette?s density is not very high so it is suitable for being used as direct fuel. Please find photos in our website (link below):-

http://www.charcoal.snmcenter.com/charcoalthai/Green%20Fuel%20Briquette.php

2) Cold process briquette making: this process can be used to produce charcoal briquette from raw charcoal or charcoal dust. Binder is required for this process which can be starch or molasses. The density of this briquette after drying can be as high as 1.1 g/cm3.

Size of motor for extruder = 10 HP, crusher = 7 HP, mixer = 7 HP (3-phase electrical)

3) Hot process briquette making: this process is suitable for fine and dry biomass such as rice husk, sawdust, crushed biomass. However, the investment cost is very high and the raw material preparation is also required (to reduce size and moisture content to less than 10 wt%.

Size of motor for extruder = 30 HP

All the prices already include major spare-parts and control panel. If without control panel (just direct connector with breaker), the price will be lower.

Please find quotation and photos as attachment. If you need more information or have any question, please feel free to let me know.

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Best regards,

Anupap

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From:

Sent: Monday, July 28, 2008 12:25 AM

To: Anupap Udomsab

Subject: Re: Biuomass and chacaol machine

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Dear Mr Anupap Udomsab,

Thank you for your mail,

I have three different client, each one of them plan to use different raw material some of them are looking to mix raw material. To give you little info about raw material founded in my place are rice husk, stalk for each one of rice, Cotton, maize, sugarcane, and normal long grass that grow by itself in. the raw material are as follow as par client

1. Raw material " Grass that grow in the river or the water ways to rice farm. He want to mix that grass with rice stalk, and cotton stalk" in other word it will be mix of raw material

2. Raw material "rice husk, rice stalk and sugarcane and cotton stalk

3. cotton stalk and sugarcane stalk

Please advice if the mix of the product can be produced. The aim of each client is to produce charcoal briquette as final project, bu client 1 and 2 wish to produce both biomass " for factory and Bakery maker".

I need the prices for the whole plant from crushing if needed to charcoal the whole plant. Please send me also the picture, and how many container we need for each plant. Electricity consumption. I would like you also to offer different capacity.

I hope to get a respond from you by tomorrow, my client has got a fund already and I need to act quick.

Thank you

On Sun, Jul 27, 2008 at 11:50 PM, Anupap Udomsab wrote:

Dear ,

First of all, please let us introduce ourselves. We are charcoal producer and charcoal making machine manufacturer based in Ayutthaya Province, THAILAND. We are specialized in Coconut Shell charcoal and some other charcoals as below;

- Coconut shell charcoal and charcoal briquette (100% natural material)

- Mangrove charcoal, Black charcoal and natural wood charcoal (100% natural material)

- Charcoal making equipment, sawdust extruder, etc.

We can supply machine to you and guarantee that you will be able to produce good quality (high density) briquette.Please kindly let us know what type of raw material to make briquette that you have. Then we will get back to you with further information about the machine that suits you case.

If you need more information, please do not hesitate to let us know. We are looking forward to hearing from you soon.

Your sincerely,

Anupap Udomsab

Managing Director

Thai Sumi Co.,Ltd (SNMCenter)

We serve our customers with quality and responsibility.

http://www.thaisumi.com

Tel : +66-81-4466153

Fax : +66-2-6735670

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From:

Sent: Sunday, July 27, 2008 2:52 PM

To: This email address is being protected from spambots. You need JavaScript enabled to view it.

Subject: Biuomass and chacaol machine

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Dear Sir,

Good day to you,

I would like to inform you about our company interest in buying biomass and chacaol machine from your factory, the whole production line from Crushing machine, dryer, brequetting machine. We also want chacaol production line. The capacity we are looking is 1 to 2 tones par hour, if possible. please offer different capacity.

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I hope to read you very soon.

Thank you

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