WO2016154987A1 - 具有增强联焰能力的引射式燃烧装置 - Google Patents

具有增强联焰能力的引射式燃烧装置 Download PDF

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Publication number
WO2016154987A1
WO2016154987A1 PCT/CN2015/075750 CN2015075750W WO2016154987A1 WO 2016154987 A1 WO2016154987 A1 WO 2016154987A1 CN 2015075750 W CN2015075750 W CN 2015075750W WO 2016154987 A1 WO2016154987 A1 WO 2016154987A1
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Prior art keywords
venturi
linear
burners
intake manifold
burner
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PCT/CN2015/075750
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English (en)
French (fr)
Inventor
王志强
李宗洲
杨瑞
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深圳智慧能源技术有限公司
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Priority to PCT/CN2015/075750 priority Critical patent/WO2016154987A1/zh
Publication of WO2016154987A1 publication Critical patent/WO2016154987A1/zh

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • F23D14/02—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone
    • F23D14/04—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone induction type, e.g. Bunsen burner
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • F23D14/46—Details, e.g. noise reduction means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
    • F23G7/06—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases

Definitions

  • the present invention relates to an ejector-type combustion apparatus, and more particularly to an ejector-type combustion apparatus having enhanced enthalpy capability.
  • the venting flare system can process the excess, harmful and unbalanced exhaust gas discharged from the production device in time, and can handle the test vehicle, the unqualified gas generated during the parking, and the large amount of gas instantaneously released during the accident to ensure the device.
  • Torch combustion should maintain the stability of the flame. If the fuel gas in the burner cannot be ignited in time, a large amount of toxic, corrosive, flammable and explosive gas will overflow and spread, which will not only cause casualties, pollute the environment, but also cause serious damage. It can cause an explosion or fire. Moreover, the fuel gas in the burner cannot be ignited in time, the burning rate will be greatly reduced, and the normal operation flow of the flare combustion system will be adversely affected.
  • the ignition system of the torch is very important. If the torch that needs to be ignited cannot be ignited, it will bring huge pollution.
  • the present invention provides an ejector-type combustion apparatus having enhanced enthalpy capability that solves at least one of the above problems.
  • the present invention provides an ejector-type combustion apparatus having enhanced flame-connecting capability, comprising a fuel intake manifold; a plurality of linear intake manifolds connected to the fuel intake manifold, each linear intake manifold defining a a ventilating direction; a plurality of venturi burners mounted on the plurality of linear intake manifolds spaced apart from one another such that a plurality of said venturi burners are mounted on each of the intake manifolds; and a shield, said shield A shroud surrounds the plurality of venturi burners to form a flame cavity.
  • the plurality of intake manifolds includes a first linear intake manifold, wherein at least a portion of the continuous venturi burner is offset in a plurality of venturi burners mounted to the first linear intake manifold Mounted to the first linear intake manifold in a vertical direction.
  • the at least partially continuous venturi burner is inclined toward the airflow direction or opposite to the airflow direction.
  • venturi burners are all inclined toward the direction of the air flow.
  • venturi burners mounted to the first linear intake manifold, except that the first or plurality of venturi burners in the direction of the airflow are in a vertical direction, The remaining venturi burners are inclined opposite to the direction of the airflow.
  • the plurality of intake manifolds includes a second linear intake manifold, and at least a portion of the continuous Venturi in the plurality of venturi burners mounted to the second linear intake manifold
  • the inner burner is mounted to the second linear intake manifold away from the vertical direction, the inclined direction of the at least partially continuous venturi of the first linear intake manifold and the second linear intake
  • At least a portion of the continuous venturi burner of the distribution tube has an opposite direction of inclination.
  • the first linear intake distribution pipe is adjacent to the second linear intake distribution pipe, and the inclination of at least a portion of the continuous venturi burner of the first linear intake distribution pipe
  • One of the direction and the oblique direction of at least a portion of the continuous venturi burner of the second linear intake manifold is along the direction of the gas flow, with the other being opposite to the direction of the gas flow.
  • the first linear air intake distribution pipe and the second linear air intake distribution pipe are two outermost linear air intake distribution pipes of the plurality of linear air intake distribution pipes, and are mounted to the a plurality of venturi burners of the first linear intake manifold constitute a first row of burners, and a venturi burner mounted to the second linear intake manifold constitutes a second row of burners, the first row of combustion The second row of burners and the second row of burners are inclined toward each other.
  • the height of the head of the latter venturi burner in the vertical direction is greater than the head of the immediately preceding venturi burner the height of.
  • At least a portion of the continuous venturi burners on each of the linear intake manifolds are inclined in one direction, and the oblique directions of the venturi burners on the different linear intake manifolds are in different straight lines.
  • the gas distribution tubes alternate between the two, so that the inclined venturi burners on the adjacent two linear intake manifolds cross each other as viewed in a direction perpendicular to the linear intake manifold.
  • the protective cover comprises a plurality of protective frames arranged in a vertical direction, each of the protective frames is circumferentially closed, and in the vertical direction, the adjacent two protective frames are partially overlapped and the upper protective frame is The radial width is greater than the radial width of the next layer, such that an overlapping region in fluid communication with the flame chamber is formed in the overlapping region of the adjacent two protective frames, wherein the wall of each protective frame extends in a vertical direction .
  • the present invention provides an ejector-type combustion apparatus having enhanced cross-fire capability by tilting at least a portion of a continuous venturi burner such that the former venturi burner ignites its adjacent
  • the ability of the latter venturi burner is enhanced, and the ejector-type combustion device with significantly enhanced joint flame capability can quickly ignite all venturi burners, thereby effectively burning the fuel gas in the fuel intake manifold to avoid fuel gas from The Venturi burner overflows into the air.
  • FIG. 1 is a schematic perspective view of an ejector combustion apparatus.
  • Fig. 2 is a perspective view showing a part of the structure of the ejector combustion apparatus of Fig. 1.
  • FIG 3 is a schematic illustration of an embodiment of a tilt burner.
  • FIG. 4 is a schematic illustration of another embodiment of a tilt burner.
  • Figure 5 is a perspective schematic view of another embodiment of a tilt burner.
  • Figure 6 is a side view of Figure 5.
  • Figure 7 is a side elevational view of another embodiment of a tilt burner.
  • FIG. 1 is a perspective view of a ejector-type combustion apparatus
  • FIG. 2 is a perspective view showing a partial structure of the ejector-type combustion apparatus of FIG.
  • the ejector combustion apparatus 1 includes a fuel intake manifold (not shown), a plurality of linear intake manifolds 2, a plurality of venturi burners 3, and a shield 5.
  • the linear intake manifold 2 is connected to the fuel intake manifold, and the gas enters each linear intake manifold 2 via the fuel intake manifold.
  • the linear intake manifolds 2 are arranged parallel to each other and at intervals. In some of the following embodiments, one of the linear intake manifolds 2 is described as an example.
  • a plurality of venturi burners 3 are mounted on the linear intake manifold 2 and are spaced apart in the direction in which the linear intake manifold 2 extends.
  • the shield 5 surrounds several venturi burners 3 to form a flame chamber.
  • the shield 5 is used to cover the flame generated by the venturi burner 3, to avoid light pollution, and to reduce the heat radiation to the surroundings.
  • the protective cover 5 includes a plurality of multi-layered protective frames 7 arranged in a vertical direction, wherein each of the protective frames is circumferentially closed, and in the vertical direction, the adjacent two protective frames are partially overlapped and the upper layer is protected.
  • the radial width of the frame is greater than the radial width of the next layer such that an area of the fluid that communicates with the flame chamber is formed in the overlapping region of the adjacent two layers of guard frames, wherein the wall of each of the shield frames extends in a vertical direction.
  • the linear intake manifold 2 has an intake end 4, and at least a portion of the continuous venturi burner 3 is inclined toward the direction of the airflow in the linear intake manifold 2.
  • all of the venturi burners 3 mounted to the linear intake manifold 2 are inclined toward the direction of the airflow within the linear intake manifold 2.
  • the remaining venturi burners 3 are inclined toward the direction of the airflow in the linear intake manifold 2. It should be understood that the last or more than two venturi burners 3 may be in a vertical orientation while the remaining venturi burners 3 are inclined.
  • the venturi burner 3 is arranged to be inclined toward the direction of the airflow in the linear intake manifold 2, after the ignition device ignites the first venturi burner 3, since the airflow from the first venturi burner is oriented
  • the two venturi burners are tilted, and accordingly, the flame of the first venturi burner is tilted towards the second venturi burner, so the first venturi burner will ignite the second faster and easier
  • the venturi burner which in turn ignites back to the last venturi burner, is arranged to enhance the combined flame capability of the ejector burner 1.
  • the last one or two venturi burners 3 are placed in a vertical orientation to avoid damage to the shield caused by the flame of the last or two venturi burners 3 burning onto the shield; the last one or two wenqiu The flame of the burner 3 is burnt onto the shield, and the heat generated causes the temperature of the shield to be high, which may adversely affect the environment outside the ejector burner 1. Therefore, depending on actual needs, the last venturi burner or burners can be placed in a vertical orientation.
  • venturi burners 3 mounted to one of the linear intake manifolds 2, except that the first or plurality of venturi burners in the direction of the gas flow are in a vertical orientation, The remaining venturi burners 3 are inclined opposite to the direction of the air flow, and can also serve to enhance the ability of the flame.
  • FIG. 4 is a schematic view of another embodiment of the inclined burner.
  • the height of the head of the latter venturi burner 3 in the vertical direction is greater than The height of the head of the immediately preceding venturi burner 3. Since the height of the latter burner head is greater than the height of the head of the previous burner, the flame produced by the previous burner 3 will more easily ignite the latter burner 3.
  • the venturi burner 3 By setting the venturi burner 3 in this way, the flame-combustion capability of the ejector-type combustion apparatus 1 can be further enhanced, and the advantages in other aspects are as described above, and will not be described herein.
  • the inclination direction of the plurality of venturi burners 3 is the direction of the airflow along the linear intake manifold 2. In other embodiments having a height difference, the inclination direction of the plurality of venturi burners 3 may also be opposite to the direction of the airflow of the linear intake manifold 2 .
  • the slanting directions of the venturi burners on adjacent two linear intake manifolds may be reversed.
  • one of the linear intake manifolds has a venturi burner that is inclined in the direction of the airflow, and the other is opposite to the direction of the airflow.
  • Figures 5 and 6 are another embodiment of a tilt burner. At least a portion of the continuous venturi burners 3 on each of the linear intake manifolds 2 are inclined in one direction, and the oblique directions of the venturi burners 3 on the different linear intake manifolds 2 are at different linear intake points.
  • the piping 2 alternates between, for example, alternately between the direction of the gas flow and the direction opposite to the direction of the gas flow such that viewed from a direction perpendicular to the linear intake manifold (as in the side view of Figure 6), adjacent
  • the inclined venturi burners 3 on the two linear intake manifolds 2 cross each other. This interdigitated design further enhances the ability to connect flames between burners.
  • Figure 7 is another embodiment of a tilt burner.
  • the plurality of linear intake distribution pipes include a first linear intake distribution pipe 21 and a second linear intake distribution pipe 22 located at the outermost side.
  • a plurality of venturi burners 31 mounted to the first linear intake manifold 21 constitute a first row of burners 31, and a venturi burner 32 mounted to a second linear inlet manifold 22 constitutes a second row of burners 32.
  • the first row of burners 31 and the second row of burners 32 are integrally inclined toward each other, and the angle of inclination A of each row of burners is 3-15 degrees.
  • the burners located in the middle of the two rows are all in a vertical orientation.
  • the intermediate burner can be mounted in other oblique directions.
  • the venturi burner may have an angle of inclination of between 3 and 15 degrees.
  • the present invention provides an ejector-type combustion apparatus having enhanced enthalpy capability, which utilizes a manner in which at least a portion of the continuous venturi burner is tilted toward the direction of the airflow in the linear intake distribution duct to cause linear intake air distribution.
  • the ability of the former venturi burner to ignite its adjacent venturi burner in the direction of the gas flow in the tube is enhanced, and the ejector-type combustion device with significantly enhanced joint flame capability can quickly ignite all venturi burners, thus effectively
  • the fuel gas in the fuel intake manifold is burned to prevent fuel gas from escaping into the air from the venturi burner.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Environmental & Geological Engineering (AREA)
  • Gas Burners (AREA)

Abstract

一种具有增强联焰能力的引射式燃烧装置（1），包括一燃料进气总管、若干直线进气分配管（2）、若干文丘里燃烧器（3）、以及防护罩（5）；与燃料进气总管连接的若干直线进气分配管（2），每一直线进气分配管（2）定义一进气方向；若干文丘里燃烧器（3）相互间隔地安装在若干直线进气分配管（2）上使得每一进气分配管（2）上安装有多个文丘里燃烧器（3）；防护罩（5）环绕若干文丘里燃烧器（3）以形成火焰腔。若干进气分配管（2）包括一第一直线进气分配管，在安装至第一直线进气分配管上的多个文丘里燃烧器（3）中，至少部分连续的文丘里燃烧器（3）偏离于竖直方向安装至第一直线进气分配管。

Description

具有增强联焰能力的引射式燃烧装置 技术领域
本发明涉及一种引射式燃烧装置，特别是涉及一种具有增强联焰能力的引射式燃烧装置。
 背景技术
在石化装置中，放空火炬系统能及时处理生产装置中排放的多余、有害、不平衡的废气，并能处理试车、开停车时产生的不合格气体，以及事故时瞬时放出的大量气体，保证装置正常、安全运行。火炬燃烧要保持火焰的稳定性，若燃烧器中的燃料气体不能及时点燃，将使大量有毒、有腐蚀、易燃易爆的气体外溢、扩散，不仅将会造成人员伤亡，污染环境，严重的会导致爆炸、火灾。而且，燃烧器中的燃料气体不能及时点燃，燃烧速率将会大大降低，对火炬燃烧系统的正常操作流程造成不良的影响。火炬的点火系统非常重要，如果不能把需要点燃的火炬点燃，将会带来巨大污染。
技术问题
有鉴于此，本发明提出一种可解决至少一项上述问题的具有增强联焰能力的引射式燃烧装置。
技术解决方案
本发明提供一种具有增强联焰能力的引射式燃烧装置，包括一燃料进气总管；与所述燃料进气总管连接的若干直线进气分配管，每一直线进气分配管定义一进气方向；若干文丘里燃烧器，相互间隔地安装在所述若干直线进气分配管上使得每一进气分配管上安装有多个所述的文丘里燃烧器；以及防护罩，所述防护罩环绕所述若干文丘里燃烧器以形成火焰腔。所述若干进气分配管包括一第一直线进气分配管，在安装至所述第一直线进气分配管上的多个文丘里燃烧器中，至少部分连续的文丘里燃烧器偏离于竖直方向安装至所述第一直线进气分配管。
在一实施例中，所述至少部分连续的文丘里燃烧器朝所述气流方向倾斜或相反于所述气流方向倾斜。
在一实施例中，对于安装至所述第一直线进气分配管的若干文丘里燃烧器，除沿所述气流方向的最后一个或多个文丘里燃烧器处于竖直方向之外，其余文丘里燃烧器都朝所述气流方向倾斜。
在一实施例中，对于安装至所述第一直线进气分配管的若干文丘里燃烧器，除沿所述气流方向的第一个或多个文丘里燃烧器处于竖直方向之外，其余文丘里燃烧器都相反于所述气流方向倾斜。
在一实施例中，所述若干进气分配管包括一第二直线进气分配管，在安装至所述第二直线进气分配管上的多个文丘里燃烧器中，至少部分连续的文丘里燃烧器偏离于竖直方向安装至所述第二直线进气分配管，所述第一直线进气分配管的至少部分连续的文丘里燃烧器的倾斜方向与所述第二直线进气分配管的至少部分连续的文丘里燃烧器的倾斜方向相反。
在一实施例中，所述第一直线进气分配管与所述第二直线进气分配管相邻，所述第一直线进气分配管的至少部分连续的文丘里燃烧器的倾斜方向和所述第二直线进气分配管的至少部分连续的文丘里燃烧器的倾斜方向的其中之一是沿所述气流方向，其中另一是相反于所述气流方向。
在一实施例中，所述第一直线进气分配管和所述第二直线进气分配管为所述若干直线进气分配管最外侧的两根直线进气分配管，安装至所述第一直线进气分配管的若干文丘里燃烧器构成第一排燃烧器，安装至所述第二直线进气分配管的文丘里燃烧器构成第二排燃烧器，所述第一排燃烧器和所述第二排燃烧器整体朝向对方倾斜。
在一实施例中，在所述至少部分连续的文丘里燃烧器的倾斜方向上，后一个文丘里燃烧器的头部在竖直方向上的高度大于紧邻的前一个文丘里燃烧器的头部的高度。
在一实施例中，每一直线进气分配管上的至少部分连续的文丘里燃烧器沿一方向倾斜，且不同的直线进气分配管上的文丘里燃烧器的倾斜方向在不同的直线进气分配管之间呈交替地变化，使得从垂直于所述直线进气分配管的方向看，相邻的两个直线进气分配管上的倾斜的文丘里燃烧器相互交叉。
在一实施例中，所述防护罩包括沿竖直方向排列的多层防护框，每层防护框周向封闭，在竖直方向上，相邻两层防护框局部重叠且上一层防护框的径向宽度大于下一层的径向宽度，使得在相邻两层防护框的重叠区域形成一与所述火焰腔流体相通的引射区，其中每层防护框的壁面沿竖直方向延伸。
 有益效果
综上所述，本发明提供了一种具有增强联焰能力的引射式燃烧装置，采用将至少部分连续的文丘里燃烧器倾斜安装的方式，使得前一个文丘里燃烧器引燃其相邻的后一个文丘里燃烧器的能力增强，联焰能力显著增强的引射式燃烧装置可快速引燃所有的文丘里燃烧器，从而有效地燃烧燃料进气总管内的燃料气体以避免燃料气体从文丘里燃烧器中溢出进入空气中。
附图说明
图1是引射式燃烧装置的立体示意图。
图2是图1的引射式燃烧装置的部分结构立体示意图。
图3是倾斜燃烧器的一实施例的示意图。
图4是倾斜燃烧器的另一实施例的示意图。
图5是倾斜燃烧器的另一实施例的立体示意图。
图6是图5的侧视图。
图7是倾斜燃烧器的另一实施例的侧视图。
 本发明的实施方式
在详细描述实施例之前，应该理解的是，本发明不限于本申请中下文或附图中所描述的详细结构或元件排布。本发明可为其它方式实现的实施例。而且，应当理解，本文所使用的措辞及术语仅仅用作描述用途，不应作限定性解释。本文所使用的“包括”、“包含”、“具有”等类似措辞意为包含其后所列出之事项、其等同物及其它附加事项。特别是，当描述“一个某元件”时，本发明并不限定该元件的数量为一个，也可以包括多个。
图1是引射式燃烧装置的立体示意图，图2是图1的引射式燃烧装置的部分结构立体示意图。如图1和图2所示，本发明提出了一种具有增强联焰能力的引射式燃烧装置。该引射式燃烧装置1包括燃料进气总管（图未示）、若干直线进气分配管2、若干文丘里燃烧器3、以及防护罩5。直线进气分配管2与燃料进气总管连接，气体经燃料进气总管进入各直线进气分配管2。直线进气分配管2相互平行且间隔排列。在以下的部分实施例中，是以其中一根直线进气分配管2进行举例描述。
若干文丘里燃烧器3安装在直线进气分配管2上，且在直线进气分配管2的延伸方向上间隔开。
防护罩5环绕若干文丘里燃烧器3以形成火焰腔。防护罩5用以遮住文丘里燃烧器3产生的火焰，避免产生光污染，同时降低对周围的热辐射。在本实施例中，防护罩5包括沿竖直方向排列的多层防护框7，其中每层防护框周向封闭，在竖直方向上，相邻两层防护框局部重叠且上一层防护框的径向宽度大于下一层的径向宽度，使得在相邻两层防护框的重叠区域形成一与火焰腔流体相通的引射区，其中每层防护框的壁面沿竖直方向延伸。当文丘里燃烧器3产生的火焰上升时，在引射作用下，防护罩5周围的空气会沿着引射区被带入火焰腔内。
直线进气分配管2具有进气端4，至少有部分连续的文丘里燃烧器3朝直线进气分配管2内的气流方向倾斜。
在一实施例中，安装至直线进气分配管2的所有文丘里燃烧器3朝直线进气分配管2内的气流方向倾斜。
在另一实施例中，如图2和3，对于安装至直线进气分配管2的文丘里燃烧器3，除沿直线进气分配管2内的气流方向的最后两个文丘里燃烧器3处于竖直方向之外，其余文丘里燃烧器3都朝直线进气分配管2内的气流方向倾斜。应当理解的是，也可以是最后一个或多余两个的文丘里燃烧器3处于竖直方向，而其余文丘里燃烧器3倾斜。
将文丘里燃烧器3设置成朝直线进气分配管2内的气流方向倾斜，点火装置将第一个文丘里燃烧器3点燃后，由于从第一个文丘里燃烧器出来的气流是朝向第二个文丘里燃烧器倾斜的，相应地，第一个文丘里燃烧器的火焰是朝向第二文丘里燃烧器倾斜，因此，第一个文丘里燃烧器会更快且更容易点燃第二个文丘里燃烧器，并依次往后引燃直至最后一个文丘里燃烧器，如此设置可增强引射式燃烧装置1的联焰能力。
最后一个或两个文丘里燃烧器3设置为处于竖直方向，是为了避免最后一个或两个文丘里燃烧器3的火焰烧到防护罩上可能对防护罩造成损害；最后一个或两个文丘里燃烧器3的火焰烧到防护罩上，产生的热量使得防护罩的温度较高，可能会对引射式燃烧装置1外部的环境产生不良影响。因此，根据实际需要，可以使最后一个或多个文丘里燃烧器处于竖直方向。
在另一个实施例中，对于安装至其中一个直线进气分配管2的若干文丘里燃烧器3，除沿所述气流方向的第一个或多个文丘里燃烧器处于竖直方向之外，其余文丘里燃烧器3都相反于所述气流方向倾斜，同样可以起到增强联焰能力的作用。
请参考图4，图4是倾斜燃烧器的另一实施例的示意图，在多个文丘里燃烧器3的倾斜方向上，后一个文丘里燃烧器3的头部在竖直方向上的高度大于紧邻的前一个文丘里燃烧器3的头部的高度。由于后一个燃烧器头部的高度大于前一个燃烧器的头部的高度，前一个燃烧器3产生的火焰将更容易点燃后一个燃烧器3。如此设置文丘里燃烧器3，可进一步增强引射式燃烧装置1的联焰能力，在其它方面的优势如前所述，在此不再赘述。在图4中，多个文丘里燃烧器3的倾斜方向是沿直线进气分配管2的的气流方向。在具有高度差的其它实施例中，多个文丘里燃烧器3的倾斜方向也可以是相反于直线进气分配管2的气流方向。
在一些实施例中，相邻两根直线进气分配管上的文丘里燃烧器的倾斜方向可以相反。例如，其中之一直线进气分配管上的文丘里燃烧器的倾斜方向是沿气流方向，其中另一是相反于气流方向。
图5和图6是倾斜燃烧器的另一个实施例。每一直线进气分配管2上的至少部分连续的文丘里燃烧器3沿一方向倾斜，且不同的直线进气分配管2上的文丘里燃烧器3的倾斜方向在不同的直线进气分配管2之间呈交替地变化，例如在沿气流方向和相反于气流方向之间交替变化，使得从垂直于所述直线进气分配管的方向看（如图6的侧视图），相邻的两个直线进气分配管2上的倾斜的文丘里燃烧器3相互交叉。这种相互交叉的设计进一步增强了燃烧器之间联焰的能力。
图7是倾斜燃烧器的另一个实施例。在本实施例中，若干直线进气分配管包括位于最外侧的第一直线进气分配管21和第二直线进气分配管22。安装至所述第一直线进气分配管21的若干文丘里燃烧器31构成第一排燃烧器31，安装至第二直线进气分配管22的文丘里燃烧器32构成第二排燃烧器32。从图7的侧视图可以看出，第一排燃烧器31和第二排燃烧器32整体朝向对方倾斜，每排燃烧器的倾斜角度A是3-15度。在图7的实施例中，位于这两排中间的燃烧器都处于竖直方向。但在其它实施方式中，中间的燃烧器可以其它倾斜方向安装。
在上述各实施例中，文丘里燃烧器的倾斜角度可以是3-15度之间。
综上所述，本发明提供了一种具有增强联焰能力的引射式燃烧装置，采用将至少部分连续的文丘里燃烧器朝直线进气分配管内的气流方向倾斜的方式使得直线进气分配管内气流方向的前一个文丘里燃烧器引燃其相邻的后一个文丘里燃烧器的能力增强，联焰能力显著增强的引射式燃烧装置可快速引燃所有的文丘里燃烧器，从而有效地燃烧燃料进气总管内的燃料气体以避免燃料气体从文丘里燃烧器中溢出进入空气中。
本文所描述的概念在不偏离其精神和特性的情况下可以实施成其它形式。所公开的具体实施例应被视为例示性而不是限制性的。因此，本发明的范围是由所附的权利要求，而不是根据之前的这些描述进行确定。在权利要求的字面意义及等同范围内的任何改变都应属于这些权利要求的范围。

Claims (10)

  1. 一种具有增强联焰能力的引射式燃烧装置，包括：
    一燃料进气总管；
    与所述燃料进气总管连接的若干直线进气分配管，每一直线进气分配管定义一进气方向；
    若干文丘里燃烧器，相互间隔地安装在所述若干直线进气分配管上使得每一进气分配管上安装有多个所述的文丘里燃烧器；以及
    防护罩，所述防护罩环绕所述若干文丘里燃烧器以形成火焰腔；
    其特征在于，所述若干进气分配管包括一第一直线进气分配管，在安装至所述第一直线进气分配管上的多个文丘里燃烧器中，至少部分连续的文丘里燃烧器偏离于竖直方向安装至所述第一直线进气分配管。
  2. 如权利要求1所述的具有增强联焰能力的引射式燃烧装置，其特征在于，所述至少部分连续的文丘里燃烧器朝所述气流方向倾斜或相反于所述气流方向倾斜。
  3. 如权利要求2所述的具有增强联焰能力的引射式燃烧装置，其特征在于，对于安装至所述第一直线进气分配管的若干文丘里燃烧器，除沿所述气流方向的最后一个或多个文丘里燃烧器处于竖直方向之外，其余文丘里燃烧器都朝所述气流方向倾斜。
  4. 如权利要求2所述的具有增强联焰能力的引射式燃烧装置，其特征在于，对于安装至所述第一直线进气分配管的若干文丘里燃烧器，除沿所述气流方向的第一个或多个文丘里燃烧器处于竖直方向之外，其余文丘里燃烧器都相反于所述气流方向倾斜。
  5. 如权利要求1所述的具有增强联焰能力的引射式燃烧装置，其特征在于，所述若干进气分配管包括一第二直线进气分配管，在安装至所述第二直线进气分配管上的多个文丘里燃烧器中，至少部分连续的文丘里燃烧器偏离于竖直方向安装至所述第二直线进气分配管，所述第一直线进气分配管的至少部分连续的文丘里燃烧器的倾斜方向与所述第二直线进气分配管的至少部分连续的文丘里燃烧器的倾斜方向相反。
  6. 如权利要求5所述的具有增强联焰能力的引射式燃烧装置，其特征在于，所述第一直线进气分配管与所述第二直线进气分配管相邻，所述第一直线进气分配管的至少部分连续的文丘里燃烧器的倾斜方向和所述第二直线进气分配管的至少部分连续的文丘里燃烧器的倾斜方向的其中之一是沿所述气流方向，其中另一是相反于所述气流方向。
  7. 如权利要求5所述的具有增强联焰能力的引射式燃烧装置，其特征在于，所述第一直线进气分配管和所述第二直线进气分配管为所述若干直线进气分配管最外侧的两根直线进气分配管，安装至所述第一直线进气分配管的若干文丘里燃烧器构成第一排燃烧器，安装至所述第二直线进气分配管的文丘里燃烧器构成第二排燃烧器，所述第一排燃烧器和所述第二排燃烧器整体朝向对方倾斜。
  8. 如权利要求2所述的具有增强联焰能力的引射式燃烧装置，其特征在于，在所述至少部分连续的文丘里燃烧器的倾斜方向上，后一个文丘里燃烧器的头部在竖直方向上的高度大于紧邻的前一个文丘里燃烧器的头部的高度。
  9. 如权利要求1所述的具有增强联焰能力的引射式燃烧装置，其特征在于，每一直线进气分配管上的至少部分连续的文丘里燃烧器沿一方向倾斜，且不同的直线进气分配管上的文丘里燃烧器的倾斜方向在不同的直线进气分配管之间呈交替地变化，使得从垂直于所述直线进气分配管的方向看，相邻的两个直线进气分配管上的倾斜的文丘里燃烧器相互交叉。
  10. 如权利要求1至9任意一项所述的具有增强联焰能力的引射式燃烧装置，其特征在于，所述防护罩包括沿竖直方向排列的多层防护框，每层防护框周向封闭，在竖直方向上，相邻两层防护框局部重叠且上一层防护框的径向宽度大于下一层的径向宽度，使得在相邻两层防护框的重叠区域形成一与所述火焰腔流体相通的引射区，其中每层防护框的壁面沿竖直方向延伸。
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