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討論區首頁 >>物理課程相關問題(分成國中/高中/大學等區) >>專供尚未註冊者使用討論區>>竹炭,或其他物質如何放射遠紅外線?
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熱學/流體 標題:竹炭,或其他物質如何放射遠紅外線?
1:張貼:2004-05-10 11:27:36:

您好

工研院最近正在推廣竹炭(以竹子燒成的炭)的運用,其中有一項說法為"竹炭含有大量可放射遠紅外線的礦質....",我想求助的問題是;
從貴版其他相關討論得知,遠紅外線應該也是電磁波, 竹炭,陶瓷,或其他"看似穩定"的物質如何能"生產"而放出遠紅外線呢? 其能量從何而來? 機制為何? 竹炭強調能重複使用,就能量不滅的觀念來看似乎是不合理的. 我的背景是生物學,提問題若太過外行請見諒.


2:littlefly榮譽點數6點 (大學理工科系)張貼:2004-05-11 01:25:09: [回應上一篇]

我猜一定是給他先加熱..

它吸受能量後..慢慢以遠紅外線釋放能量出來

所以可以重複使用


3:張貼:2004-05-11 09:00:24: [回應上一篇]
這使我想到:是不是和溫室效應中,二氧化碳的原理一樣?

4:mi30182榮譽點數11點 (研究所)張貼:2004-05-11 09:26:07: [回應上一篇]
Quote:
在 2004-05-10 11:27:36, Anonymous 寫了:

您好

工研院最近正在推廣竹炭(以竹子燒成的炭)的運用,其中有一項說法為"竹炭含有大量可放射遠紅外線的礦質....",我想求助的問題是; 從貴版其他相關討論得知,遠紅外線應該也是電磁波, 竹炭,陶瓷,或其他"看似穩定"的物質如何能"生產"而放出遠紅外線呢? 其能量從何而來? 機制為何? 竹炭強調能重複使用,就能量不滅的觀念來看似乎是不合理的. 我的背景是生物學,提問題若太過外行請見諒.


請用 google 等來搜尋,鍵入 key words: bamboo infrared 這兩個字,就可以冒出一大堆資料可以參考。

底下是其中一個資料的內容:

BAMBOO CHARCOAL FAQ


Bamboo charcoal (takesumi)has great absorption and decompose ability,release minus ion,emit  far infrared ray,keep off electromagnetic wave,so bamboo charcoal is widely used in our daily life,in agriculture,industry......

What’s Bamboo charcoal ?  How does Bamboo charcoal effect ?       

How to make bamboo charcoal ?

What is the different compare with wood charcoal ?        

How to use bamboo charcoal in our daily life ?

 

 

bamboo charcoal micro holes in electric microscope

What’s Bamboo charcoal ? How does Bamboo charcoal(takesumi) effect ?

Bamboo charcoal also called takesumi (takezumi)or chikutan(tikutan) in japanese,it is come from bamboo which canbonized under high temperature,there are innummerable holes crosswise is its structure,it is said that the inner surface of bamboo charcoal reach 300 to 700 square meter per gram,in such large space micobe can easy absorb on it ,and the volatile bamboo charcoal contained suplly  rich nutriment  for microbe,so bamboo charcoal (takesumi) possessed great absorption effect and the microbe it absorbed can decompose the absorbed ingredients clearly.if processing bamboo charcoal under very high temperature(1000 ℃),it will emit far infrared ray,release minus ion,absorb electromagnetic wave, bamboo charcoal (takesumi)also  possesses rich trace elements and  natural mineral, such as calcium,potassium,sodium and iron etc,for this  characteristic,bamboo charcoal is widely used is our daily life and in agriculture,medicine,textile,military affair,electronics,industry etc.the following is part usage of bamboo charcoal in our daily life:

1.deodorant and purifying air agent:it absorb odour,smell,moisture,release minus ion,so it can be used in room,kitchen,toilet,closet,shoes' boxes,car etc.it absorb harmful gas released from polyboard,paint,so it can be used in new building or new decorating room.

2.Purify polluted river and domestic sewage:it absorb harmful material,detergent,bad smell etc.

3.Purify drinking water:it absorb chlorine,harmful materials and release minerals and trace elements.

4.For cooking rice:it remove the chlorine smell,absorb the pesticide and other harmful material remained in rice and release minerals trace elements,so it make rice more tasty.

5.For bath:bamboo charcoal absorb harmful materials ,bad smell ,chlorine in water,release minerals and trace elements ,it make your body warm,moisturized skin and keep it fresh and protected,so you have a felling of hot spring.

6.For bedding:bamboo charcoal absorb odour,sweat,moisture,emit far infrared ray,release minus ion and warm your body,increasing the cells’ activities,accelerate the blood circulation,improve body enviroment,it emit minus ion and infrared ray  which calm your mind,relax your body ,eliminate fatigue,so it is helpful to your sleep.

7.Keep free from electromagnetic wave:bamboo charcoal absorb electromagnetic wave,so use it in home or office to absorb this wave emited from electric appliance.

8.Adjust humidity under bed and under building:bamboo charcoal absorb moisture. In moist season it absorb moisture and in arid  season it release moisture,it also keep away from insect because it contain less tar,so it is used

 under bed or under building .

How to make bamboo charcoal ?

1.dried bamboo     2.put in charcoal kilin   3.carbonized in high temperature   4.let it cold and take it out  5.cut it and pack it.

What is the different compare with wood charcoal ?

Bamboo charcoal has countless small holes lengthwise and crosswise,if compared with wood charcoal,the number of holes is about four times,the mineral constituent eight times and abosorption  power ten times than wood charcoal.if compared the inner surface of it,wood charcoal is about 50 square  meter per gram,bamboo charcoal is about 300-700 square meter per gram,so bamboo charcoal has better absorption effect.> >

>

How to use bamboo charcoal in our daily life ?

Deodorant effect and keeping free from moisture,purify air,reduce electromagnetic waves from electric appliances----put into living room,office etc.

For flower vase---- bamboo charcoal makes flower last long.it  provide better aerate and humidity  condition and neutralize the oxidized soil and help plants grow.

For an aquarium----bamboo charcoal  makes  watertank keep clean.

For mattress,pillow,cushion :bamboo charcoal emits minus ion which relaxes you and helps you to sleep,it will also warm your body with the effect of far infrared ray,absorb the humidity,odour,insect repelling etc. >>>

For fry:keeps oil in good condition and makes fries crispy. > >

For your bath ----bamboo charcoal  makes your skin soft and your body warm just as you take hot spring bath and it is also effective for athlete’s feet and  dermtosis.> >

1.put 300g bamboo charcoal granular or pieces or more into the mesh bag> >

2.place the bag in the bathtub.> >

3.Add hot water> >

4.Remove it after use.> >

You can use one bag for up to two months.bamboo charcoal works to keep your skin fresh,moist and protected.it eliminate bad odour in the bath water and purify the water.wash roughly in tap water about once a week.> >

make mineral water> >

1.wash bamboo charcoal thoroughly with a brush or sponge.never use detergent> >

2.put bamboo charcoal into water and boil over low heat for about 10 minutes> >

3.remove bamboo charcoal and allow to dry.> >

4.Put 100g bamboo charcoal into 1L water.leave it for a few hours.the result is mineral water.> >

5.Boil bamboo charcoal once a week for maximun effect.you can use one piece for a month.> >

cook tasty rice.> >

The chlorine smell will be removed and absorbed the  pesticide and other harmfull material to human beings remained in rice and make it nutritious.

1.wash bamboo charcoal well> >

2.put 3 piece into pan.> >

For refrigerator:absorb foul food odour,maintain the freshness of food,avoid deterioration..> >

Plant growth encouragement> >

Put bamoo charcoal on the fertilizer in the flower pots or  planters.the mineral components of bamboo charcoal dissolved and it keeps plants fresh and gives them long life.it also removes bad odors from water with its water purifying action.> >

For odor humidity protection:put it in  car ,in shoe box,toilet room,ketching room,it removes odour and humidity> .>

 


(HOME) (BAMBOO VINEGAR FAQ) (BAMBOO CHARCOAL FAQ) (BAMBOO VINEGAR)  

(BAMBOO CHARCOAL) (BAMBOO CHARCOAL PRODUCTS) (CHARCOAL BRIQUETTE) ( SAWDUST BRIQUETTE CHARCOAL )

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>>

5:littlefly榮譽點數6點 (大學理工科系)張貼:2004-05-11 10:43:35: [回應上一篇]

看不出來哪裡有講原理...

看起來好像是給一般民眾的科普資訊


6:FreeZ榮譽點數46點 (大學理工科系)張貼:2004-05-15 22:24:45: [回應上一篇]
不要對「遠紅外線」這詞太敏感, 因他只是一種很粗略的概稱詞. 雖然廣告用它打知名度打的很兇, 故意讓一般消費者有一種「高科技」的錯覺.

頻率比「可見光」低的, 比「射頻」高的, 這之間都可以稱為「紅外線」. 比較靠近「射頻」那邊的「紅外線」, 就是「遠紅外線」, 表示它是離「可見光」較「遠」的那一部份.

物體是不是只要有溫度就會發出電磁波? right! 通常稱為熱輻射.

溫度 6000 度的頻譜主峰在可見光, 溫度愈來愈低, 主峰頻率就愈低, 那麼就會開始往近紅外、中紅外、遠紅外......

該物射出「遠紅外線」, 表示它工作時, 它熱輻射的主峰頻率, 落在遠紅外..

所謂的「重複使用」, 應不是在指它的自行放熱, 可以持續到永久. 而是你可以給它加能. 好像是充電池, 用光了, 你可以再充電, 再使用.

故應該是你給他熱能後, 它就可以再次保持那個溫度一段時間. 保溫時效過了, 想要用, 再加能, 故沒有能量無中生有的問題.

很多化學反應都會放熱, 但大多是不可逆的, 只能用一次.

[ 這篇文章被編輯過: FreeZ 在 2004-05-15 22:40:56 ]

7:張貼:2004-05-17 17:20:47: [回應上一篇]

感謝各位的回答,

閱覽了一些以前的問題,黃老師,李老師,以及FREEZ先生的說明,大概知道一般物質在絕對零度以上必然產生對應其溫度的電磁輻射,而溫度越低,其電磁波頻率就越往低頻接近. 所以即使是簡單的氣溫變化或體溫也足以使一些受熱(吸能)物質的電子進入激發態而放射電磁波. 這樣的想法不知是否正確?

如果我的想法不至謬誤,溫度的高低是否必然對應特定波長的熱輻射? 這樣問的原因是,是否並非特別的物質(如竹炭,或其他保健產品)才會產生"特別強的"遠紅外線?


8:littlefly榮譽點數6點 (大學理工科系)張貼:2004-05-18 11:47:16: [回應上一篇]

我想這些對應的是轉動跟振動能階......

有的物質在這些能階轉移較緩慢..所以可以

維持很長時間放出遠紅外..強度的話應該沒有很強吧


9:張貼:2005-06-01 10:39:23: [回應上一篇]

個人想法,說錯了請多包含...

Bamboo Charcoal 含有很多小孔,理論上每一個小孔就像是物理學上的黑體輻射,

它在一特定溫度下會有特定的發射光譜,和溫度有關,在室溫下它會發出遠紅外線,

應該是不需要加上能量, 溫度代表的是微觀分子的動能所表現出的巨觀物理量.

 


10:莊上葳 (高中職)張貼:2006-12-04 09:56:03: [回應上一篇]

其實很簡單!!

工研院的博士跟我說,竹炭哪裡不好,第一個就是波長沒辦法控制(要落在生育光波才有用),

                                                          第二個就是,當能量吸收到一定程度時,效能教會開始急速下降(比方說:竹炭襪一開始穿,效用都還感覺的出來,但是洗個3.4次你會慢慢發現幾乎沒效果了)

 

現在運用在紡織或是日常生活用品的遠紅外線產品,比較高檔的都會使用30~70奈米的陶粉來代替竹炭,第一是因為效能可維持10年以上,第二把體積給奈米化,控制其放射的波長(控制在3~15um)

 

不知道本人的淺見是否能夠解決??


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