Burning device and thermoacoustic generator with same

燃烧装置及具有其的热声发电机

Abstract

一种燃烧装置,包括进气通道、燃烧室和排气通道,主要技术特征在于所述进气通道与排气通道通过换热部件相互隔离,所述换热部件上设有凹凸相间的气体通道和烟气通道,所述进气通道一端连接供气源,另一端通过气体通道向燃烧室供气,所述燃烧室还具有余烟排气口,余烟排气口通过烟气通道连通排气通道。一种热声发电机,包括具有一个凸起的吸热头的热声发电机体,该吸热头外周壁设有吸热翅片,还包括上述燃烧装置,所述吸热头伸入燃烧室以吸取热能,吸热翅片的下方设有密封板,以引导将余烟由余烟排气口引向烟气导流件的吸烟口。本发明能有效利用余烟中的热能,预先加热进入燃烧室的气体,从而能提高供热效率。
The invention discloses a burning device which comprises a gas inlet passage, a burning chamber and an exhaust passage. The burning device is mainly and technically characterized in that the gas inlet passage and the exhaust passage are mutually separated by virtue of a heat transfer part, the heat transfer part is provided with a gas passage and a fume passage which are concavely and convexly separated, and one end of the gas inlet passage is connected with a gas supply source; the other end of the passage provides gas to the burning chamber by virtue of the gas passage, the burning chamber has a residual fume exhaust port, and the residual fume exhaust port is communicated with the exhaust passage by virtue of the fume passage. The invention also discloses a thermoacoustic generator which comprises a thermoacoustic generator with a raised heat absorbing head, the peripheral wall of the heat absorbing head is provided with a heat absorbing fin and the burning device, and the heat absorbing head stretches into the burning chamber and absorbs heat energy; the lower side of the heat absorbing fin is provided with a sealing plate, and the residual fume is guided to a fume absorbing port from the residual fume exhaust port by virtue of the sealing plate. The burning device and the thermoacoustic generator with same are capable of effectively using heat energy in the residual fume, and preheating the gas which enters into the burning chamber, so that the heat supply efficiency is improved.

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