JPS6298933U

JPS6298933U -

Info

Publication number: JPS6298933U
Application number: JP18968885U
Authority: JP
Priority date: 1985-12-11
Filing date: 1985-12-11
Publication date: 1987-06-24

Description

【図面の簡単な説明】第１図イはこの考案の気流式アトマイザの中心
軸方向の断面図、第１図ロは第１図イのＡ―Ａ矢
視図、第２図はこの考案の他の実施例を示す図、
第３図はこの考案の気流式アトマイザおよび従来
のＹジエツトアトマイザの気液比と平均噴霧粒径
との関係を示す図、第４図は同じく気液比と着火
距離との関係を示す図、第５図は同じく気液比と
灰中未燃分率との関係を示す図、第６図は同じく
気液比と発生すす濃度との関係を示す図、第７図
は従来のＹジエツトアトマイザの断面図、第８図
イおよびロは従来のＹジエツトアトマイザの噴出
孔から燃料が噴出する状況を示す図である。１……アトマイザチツプ、２，２′，３，３′
……矢印、４……燃料孔、５……微粒化媒体孔、
６……噴出孔、７……予混合室、８……予混合用
微粒化媒体孔、９……気液混合物オリフイス、１
０，１１……セラミツクス製スリーブ、１２……
プレート、１３……止めねじ、１４……端面、１
５……バーナガン内筒、１６……バーナガン外筒
、１７……ＣＷＭ膜、１８……微粒ＣＷＭ、１９
……粗粒ＣＷＭ、２０……間隙、２１〜２６……
曲線、２７，２８……直線。[Brief Description of the Drawings] Figure 1A is a cross-sectional view of the air flow type atomizer of this invention in the central axis direction, Figure 1B is a view taken along arrow A-A in Figure 1A, and Figure 2 is a cross-sectional view of the airflow type atomizer of this invention. Diagrams showing other embodiments,
Figure 3 is a diagram showing the relationship between the gas-liquid ratio and the average atomized particle size of the air flow atomizer of this invention and the conventional Y-jet atomizer, and Figure 4 is a diagram showing the relationship between the gas-liquid ratio and ignition distance. , Figure 5 is a diagram showing the relationship between the gas-liquid ratio and the unburned fraction in the ash, Figure 6 is a diagram showing the relationship between the gas-liquid ratio and the generated soot concentration, and Figure 7 is a diagram showing the relationship between the gas-liquid ratio and the soot concentration. The cross-sectional views of the Y-jet atomizer and FIGS. 8A and 8B are diagrams showing a situation in which fuel is ejected from the ejection holes of a conventional Y-jet atomizer. 1...Atomizer chip, 2, 2', 3, 3'
...Arrow, 4...Fuel hole, 5...Atomization medium hole,
6... Ejection hole, 7... Premixing chamber, 8... Atomization medium hole for premixing, 9... Gas-liquid mixture orifice, 1
0,11...Ceramics sleeve, 12...
Plate, 13... Set screw, 14... End face, 1
5... Burner gun inner cylinder, 16... Burner gun outer cylinder, 17... CWM membrane, 18... Fine CWM, 19
... Coarse grain CWM, 20 ... Gap, 21-26 ...
Curved line, 27, 28...straight line.

Claims

[Claims for Utility Model Registration] (1) A plurality of cylindrical nozzles are arranged at equal intervals on the same circumference, and fuel is supplied inside each of the plurality of cylindrical nozzles using an atomized medium. In the atomizer that atomizes, a cylindrical mixing chamber common to the plurality of cylindrical ejection holes is provided upstream of the plurality of cylindrical ejection holes, and the atomization medium and the atomization medium are mixed inside the cylindrical mixing chamber. The fuel is mixed with the fuel, and the mixed mixture is atomized by the atomization medium flowing from one or more locations inside each of the plurality of cylindrical ejection holes. Air flow atomizer. (2) The central axes of the plurality of mixing atomizing medium holes through which the atomizing medium flows into the cylindrical mixing chamber and the central axes of the plurality of cylindrical ejection holes are respectively aligned with each other in the cylindrical mixing chamber. The central axes of a plurality of atomizing medium holes for atomization, each of which is oriented toward the central axis of the chamber, and through which the atomizing medium flows into the plurality of cylindrical ejection holes from one or more locations, respectively, are oriented toward the central axis of the chamber. The airflow type atomizer according to claim 1, wherein the airflow type atomizer is oriented toward the central axis of the ejection hole having a shape. (3) The central axes of the plurality of mixing atomizing medium holes through which the atomizing medium flows into the cylindrical mixing chamber and the central axes of the plurality of cylindrical ejection holes are respectively aligned with the cylindrical mixing chamber. The central axes of the plurality of atomization medium holes, which are inclined in opposite directions in the tangential direction of the chamber, and through which the atomization medium flows into the plurality of cylindrical ejection holes from one or more locations, respectively, The airflow type atomizer according to claim 1, wherein the airflow type atomizer is inclined in a tangential direction of the plurality of cylindrical ejection holes. (4) The atomization medium is a mixing atomization medium that flows into the cylindrical mixing chamber, and an atomization medium that flows into the plurality of cylindrical ejection holes from one or more locations, respectively; Paragraph 1 of the utility model registration claim, which is characterized in that it is divided into two parts;
The airflow type atomizer according to Items 2 and 3. (5) Utility model registration claim 1, characterized in that the cylindrical mixing chamber and the plurality of cylindrical jet holes are formed of ceramics.
The airflow type atomizer described in Items 1, 2, 3, and 4.