1. Making small and medium-sized power plants using straw burning to generate electricity

現(xiàn)在生物質(zhì)能發(fā)電技能主要有兩大類：一是使用鍋爐直接焚燒生物質(zhì)燃料，例如秸稈發(fā)生的熱量加熱鍋爐中的水，使水汽化，推進汽輪機發(fā)電機組來發(fā)電。這類技能與慣例的煤焚燒發(fā)電相相似，只是用秸稈來替代煤。

At present, there are two main types of biomass power generation skills: one is to use the boiler to directly burn biomass fuel, such as the heat generated by straw to heat the water in the boiler, vaporize the water, and promote the steam turbine generator set to generate electricity. Such skills are similar to conventional coal-fired power generation, except that straw is used instead of coal.

另一類是氣化發(fā)電技能，由氣化爐和煤氣內(nèi)燃發(fā)電機組來發(fā)電。使用生物質(zhì)氣化爐將秸稈轉(zhuǎn)化為可燃氣體，燃氣通過別離凈化，然后在鍋爐等設(shè)備中進行焚燒，推進發(fā)電機輸出電能。

The other is gasification power generation skill, which is generated by gasifier and gas internal combustion generator set. Biomass gasifier is used to convert straw into combustible gas. The gas is purified by separation, and then burned in boilers and other equipment to promote the generator to output electric energy.

2、渙散式的小型發(fā)電機組

2. Lax small generator set

因為制作中小型電廠存在的問題，渙散式的小型發(fā)電機組逐步遭到人們的注重，尤其是在我國廣闊農(nóng)村更有推廣的條件。這里將側(cè)重介紹與秸稈發(fā)電關(guān)聯(lián)親近的斯特林發(fā)電機和新型的熱聲發(fā)電機，它們?yōu)樯镔|(zhì)發(fā)電機器的小型化供給了或許。

Because of the problems existing in the production of small and medium-sized power plants, lax small generator units have gradually attracted people's attention, especially in the vast rural areas of our country. Here, we will focus on the introduction of Stirling generator and new thermoacoustic generator which are closely related to straw power generation. They provide the possibility for the miniaturization of biomass power generation machine.

熱聲發(fā)電機根據(jù)熱聲效應(yīng)而作業(yè)，是一種新型的動力轉(zhuǎn)換機械。熱聲發(fā)電機的突出長處是其高可靠性和對自然環(huán)境的杰出環(huán)保特性。它的高可靠性來源于系統(tǒng)中完全沒有運動部件或者運動部件極少；它的環(huán)保特性來源于它的作業(yè)介質(zhì)是常見的惰性氣體，對大氣臭氧層無損壞，沒有溫室效應(yīng)，也沒有可燃性。與斯特林機相似，熱聲發(fā)電機也選用外燃加熱的方法。熱聲驅(qū)動的發(fā)電機設(shè)備，通過規(guī)劃合理的焚燒設(shè)備，將秸稈焚燒驅(qū)動熱聲發(fā)電機發(fā)電。

Thermoacoustic generator works according to thermoacoustic effect, which is a new type of power conversion machine. The outstanding advantages of thermoacoustic generator are its high reliability and outstanding environmental protection characteristics to the natural environment. Its high reliability comes from the fact that there are no or very few moving parts in the system; its environmental protection characteristics come from the fact that its working medium is common inert gas, which has no damage to the ozone layer, no greenhouse effect and no combustibility. Similar to Stirling engine, thermoacoustic generator also adopts external combustion heating method. Thermoacoustic driven generator equipment, through the planning of reasonable incineration equipment, the straw incineration driven thermoacoustic generator power generation.

在新動力的開發(fā)使用中，秸稈發(fā)電具有重要的意義，關(guān)于建造小康社會，節(jié)能減排具有深遠的影響。伴隨著煤炭、石油和天然氣等化石動力的逐步枯竭，尋找新動力已成為一個急迫的任務(wù)。秸稈作為一種綠色和可再生的動力，其效果將會越來越突出，這不僅關(guān)系到環(huán)境保護的問題，還關(guān)系到國家的動力戰(zhàn)略問題。

In the development and use of new power, straw power generation is of great significance. It has a far-reaching impact on building a well-off society, energy conservation and emission reduction. With the gradual depletion of fossil power such as coal, oil and natural gas, it has become an urgent task to find new power. Straw as a green and renewable power, its effect will be more and more prominent, which is not only related to environmental protection, but also related to the national power strategy.

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