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怎么測出木屑顆粒機中原料的水分?

來源:http://comicbopk.com 發布時間:2019-05-13 瀏覽次數:
  無論是制作木屑顆粒還是秸稈顆粒,木屑顆粒機對原料的水份都有一個要求,就是在15%~20%之間,水份過高或者過低都不易成型。所以在初步考察原料的時候一定要確定好原料的水份,那么如何才能準確的測量出物料水份呢?
  Whether making sawdust or straw particles, sawdust granulator has a requirement for the moisture content of raw materials, that is, between 15% and 20%, too high or too low moisture is not easy to form. So in the preliminary investigation of raw materials, we must determine the moisture of raw materials, so how can we accurately measure the moisture of raw materials?
  用水份測試儀,這其實不是一個好方法,儀器不便宜不說,還測得不一定準,物料的水份會隨著外力的擠壓發生變化。比如說鋸末,蓬松的鋸末跟稍微擠壓一下的測出的水份會差別很大。其實,不用那么麻煩,用“土法子”就測的很準,稱上一斤鋸末,放到微波爐里,烘干,然后稱一下少了多少斤兩就能算出物料的水份來了。
  This is not a good way to use a moisture tester. The instrument is not cheap, and the measurement is not necessarily accurate. The moisture of the material will change with the extrusion of external force. For example, sawdust, fluffy sawdust and slightly squeezed water will be very different. In fact, it is not so troublesome to use the "earth method" to measure accurately, weigh a catty of sawdust, put it in the microwave oven, dry it, and then weigh how many catties are missing to calculate the moisture of the material.
                             木屑顆粒機批發
  (1)生物質成型燃料是經過高壓而形成的塊狀燃料,其密度遠遠大于原生物質,其結構與組織特征就決定了揮發分的溢出速度與傳熱速度都大大降低。點火溫度有所升高,點火性能變差,但比型煤的點火性能要好,從點火性能考慮,仍不失生物質點火特性。燃燒開始時揮發分慢慢分解,燃燒處于動力區,隨著揮發分燃燒逐漸進入過渡區與擴散區,燃燒速度適中能夠使揮發分放出的熱量及時傳遞給受熱面,使排煙熱損失降低。同時揮發分燃燒所需的氧與外界擴散的氧較好的匹配,揮發分能夠燃盡,又不過多的加入空氣,爐溫逐漸升高,減少了大量的氣體不完全燃燒損失與排煙熱損失。
  (1) Biomass briquette fuel is a lump fuel formed by high pressure. Its density is much higher than that of the original biomass. Its structure and structure characteristics determine the volatile overflow rate and heat transfer rate are greatly reduced. The ignition temperature increases and the ignition performance becomes worse, but the ignition performance is better than that of briquette. Considering the ignition performance, the ignition performance of biomass is still good. At the beginning of combustion, the volatile matter decomposes slowly, and the combustion is in the power zone. As the volatile matter combustion gradually enters the transition zone and diffusion zone, the moderate combustion speed can make the heat released by volatile matter transfer to the heating surface in time, so as to reduce the heat loss of exhaust smoke. At the same time, the oxygen needed for volatile combustion matches well with the oxygen diffused from outside. The volatile can burn out without too much air, and the furnace temperature increases gradually, which reduces a lot of gas incomplete combustion loss and heat loss of exhaust gas.
  (2)揮發分燃燒后,剩余的焦碳骨架結構緊密,像型煤焦碳骨架一樣,運動的氣流不能使骨架解體懸浮,使骨架炭能保持層狀燃燒,能夠形成層狀燃燒核心。這時炭的燃燒所需要的氧與靜態滲透擴散的氧相當,燃燒穩定持續,爐溫較高,從而減少了固體與排煙熱損失。在燃燒過程中可以清楚地看到炭的燃燒過程,藍色火焰包裹著明亮的炭塊,燃燒時間明顯延長。 生物質成型燃料的諸多優勢,加之現在的限煤政策,市場需求量很大,銷路不愁,是非常好的投資項目。河南豫暉新能源耕耘多年,擁有豐富的經驗,為您提供的支持。
  (2) After volatile combustion, the remaining coke skeleton structure is compact. Like briquette coke skeleton, the moving airflow can not make the skeleton disintegrate and suspend, so that the skeleton char can maintain layered combustion and form a layered combustion core. At this time, the oxygen required for the combustion of carbon is equivalent to that of static pervasive diffusion. The combustion is stable and persistent, and the furnace temperature is higher, thus reducing the heat loss of solid and flue gas. The burning process of carbon can be clearly seen in the burning process. The blue flame wraps bright carbon blocks, and the burning time is obviously prolonged. Many advantages of biomass briquette fuel, coupled with the current coal restriction policy, the market demand is large and the market is not worrying. It is a very good investment project. Henan Yuhui New Energy has worked for many years and has rich experience to provide you with the most professional support.
 

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