WO2020019099A1 - 引射式燃烧装置及其燃烧器组件、防护罩及组装方法 - Google Patents

引射式燃烧装置及其燃烧器组件、防护罩及组装方法 Download PDF

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Publication number
WO2020019099A1
WO2020019099A1 PCT/CN2018/096551 CN2018096551W WO2020019099A1 WO 2020019099 A1 WO2020019099 A1 WO 2020019099A1 CN 2018096551 W CN2018096551 W CN 2018096551W WO 2020019099 A1 WO2020019099 A1 WO 2020019099A1
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WIPO (PCT)
Prior art keywords
protective cover
venturi
burner
side walls
burners
Prior art date
Application number
PCT/CN2018/096551
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English (en)
French (fr)
Inventor
王志强
Original Assignee
深圳智慧能源技术有限公司
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Publication date
Application filed by 深圳智慧能源技术有限公司 filed Critical 深圳智慧能源技术有限公司
Priority to PCT/CN2018/096551 priority Critical patent/WO2020019099A1/zh
Publication of WO2020019099A1 publication Critical patent/WO2020019099A1/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
    • F23D14/46—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 application relates to an ejection type combustion device, and in particular, to an ejection type combustion device and a burner component thereof, a protective cover, and an assembly method.
  • the venting torch system can timely process excess, harmful, and unbalanced exhaust gas emitted from production units, and can handle unqualified gases generated during commissioning, starting and stopping, and a large amount of gas released instantaneously during an accident to ensure the device. Normal and safe operation.
  • the venting torch system generally uses an ejection combustion device.
  • the ejection combustion device previously designed by the applicant includes several layers of Venturi burners in the vertical direction to burn gas.
  • Several layers of protective hood rings in the vertical direction are set around these venturi burners to form a flame cavity to block heat radiation.
  • Each layer of protective cover surrounds a layer of burner, and a gap is left between the adjacent layers of protective cover, so that the intake portion of the burner communicates with the outside world and ejects air.
  • indicators such as noise, flame length, and wall temperature.
  • the torch system is huge and difficult to install. Therefore, it is necessary to further improve the existing ejection type combustion device.
  • the present application provides an ejection type combustion device capable of improving at least one index of noise, flame length and wall temperature, a burner assembly thereof, a protective cover, and an assembly method.
  • the present application provides an ejection type combustion device, including a protective cover and a combustion system, the combustion system including a plurality of venturi burners, each venturi burner having an air inlet portion for ejecting air and a flame generating head.
  • the inside of the protective cover forms a flame cavity for surrounding the flame, characterized in that a plurality of the venturi burners pass through the wall portion of the protective cover and are supported on the wall portion of the protective cover, The head of the venturi burner is located in the flame cavity, and the air intake portion of the venturi burner is located outside the protective cover.
  • the protective cover is rectangular and has upper and lower openings.
  • the venturi burner is inclined toward the upper opening, and the angle between the axis of the venturi burner and the horizontal direction is greater than 0 degrees and less than 30 degrees.
  • the venturi burner is inclined toward the upper opening, and the angle between the axis of the venturi burner and the horizontal direction is 10-20 degrees.
  • the venturi burner is inclined toward the upper opening, and the angle between the axis of the venturi burner and the horizontal direction is 15 degrees.
  • a plurality of the Venturi burners are disposed on two opposite side walls of the rectangular protective cover, and the Venturi burners on the two opposite side walls spray flames relatively.
  • a plurality of the Venturi burners are disposed on all four side walls of the rectangular protective cover, of which two Venturi burners on opposite sides spray flames, and two Venturi burners are relatively jetting flames.
  • the protective cover includes a plurality of protective cover components stacked vertically, and each protective cover component includes one or more adjacent protective cover units. Two opposite wall portions of the protective cover unit are provided. There is at least a part of the venturi burner, and the venturi burners on two opposite wall portions of the protective cover unit supply air simultaneously or cut off the air supply simultaneously.
  • the protective cover includes a plurality of protective cover members stacked in a vertical direction, and each protective cover member has a rectangular shape. At least part of the venturi combustion is provided on all four side walls of the protective cover unit.
  • the venturi burners on the four side walls of the protective cover unit simultaneously supply gas or cut off the gas supply at the same time, the venturi burners on each of the four side walls in the vertical direction Arranged into several horizontal rows.
  • the number of Venturi burners is greater than 500.
  • the present application provides a burner assembly of an ejection combustion device, the burner assembly including:
  • a protective cover member which is a part of a protective cover of the ejection type combustion device, and a plurality of mounting holes are formed in a wall portion of the protective cover member;
  • each Venturi burner including an air inlet portion that injects air and a head generating a flame, a plurality of said Venturi burners are fixed in a plurality of said mounting holes, so that each Venturi burner
  • the air intake portion and the head portion are respectively located on both sides of the wall portion of the protective cover member;
  • a gas supply line which is in communication with a plurality of the Venturi burners to supply gas to the plurality of Venturi burners.
  • the protective cover component includes a rectangular frame, the rectangular frame includes two opposing first sidewalls and two opposing second sidewalls, the two first sidewalls and two The second side walls are connected to each other to form a rectangle, and the rectangular frame of the shield member includes one or more shield units adjacent in the vertical direction.
  • each protective cover unit is provided with flanges perpendicular to the first and second side walls, and adjacent protective cover units are fixed to each other by using the flanges. together.
  • At least part of the mounting holes are opened on two first side walls and / or two second side walls of each protective cover unit, and at least part of the venturi burner is installed on each protection Inside the mounting hole of the cover unit.
  • the protective cover component includes a flat plate, and an edge of the flat plate has a flange extending vertically, and the flange is used for flange connection with a flat plate of another adjacent burner assembly.
  • the protective cover component includes a rectangular frame, and all four side walls of the rectangular frame are provided with mounting holes, and at least part of the venturi burner is installed in all four side wall mounting holes. in.
  • the mounting holes on the four side walls are elongated mounting holes extending in the horizontal direction.
  • a plurality of venturi burners are installed in the same elongated mounting hole.
  • Bar-shaped mounting holes are spaced apart in the vertical direction.
  • a plurality of Venturi burners installed in the same elongated mounting hole are connected to each other to form a burner group, which is integrally installed in the elongated mounting hole.
  • venturi burners are arranged in several horizontal rows in the vertical direction.
  • the gas supply pipeline includes a gas pipe and a distribution pipe
  • the gas pipe is used to communicate with one output of a gas processing unit and used to receive gas to be burned
  • the distribution pipe has multiple branches
  • Each distribution pipe is in communication with the gas pipe and at the same time with a part of the Venturi burner to distribute gas to the part of the Venturi burner, and the Venturi burner is arranged in a number of horizontal rows in the vertical direction.
  • the section where the gas pipeline is connected to the distribution pipe is arranged vertically, and the plurality of distribution pipes are arranged horizontally, and each distribution pipe supplies gas to one of the horizontal rows of Venturi burners.
  • One section is located in the middle of the distribution pipe, and the ends of the plurality of distribution pipes communicate with each other by using a communication pipe.
  • the present application provides a protective cover of an ejection type combustion device, which uses several venturi burners to burn the gas to be processed, and a flame cavity for surrounding the flame is formed in the protective cover.
  • the protective cover has a side wall, and the side wall is circumferentially closed to form a cylinder body with an upper and lower opening.
  • the side wall is provided with a plurality of mounting holes for mounting the venturi burner. The mounting holes are provided. Therefore, when the venturi tube is installed in the mounting hole, a head of the venturi tube for generating a flame is located in the flame cavity, and an inlet portion of the venturi tube for injecting air is located in the flame cavity. Said outside the protective cover.
  • the protective cover includes a plurality of independent and mutually spliced protective cover members, and a plurality of the mounting holes are formed in a wall portion of the protective cover member.
  • a plurality of the protective cover members are stacked in a vertical direction, and each protective cover member includes a rectangular frame, and the rectangular frame includes two opposite first side walls and two opposite second sides. Wall, the two first side walls and the two second side walls are connected to each other to form a rectangle, and the two first side walls of all the protective cover components are stacked to form the two first side walls of the protective cover, all of which protect The two second side walls of the cover member are stacked to form two second side walls of the protective cover.
  • the rectangular frame of each shield member includes one or more shield units adjacent in the vertical direction.
  • each protective cover unit is provided with flanges perpendicular to the first and second side walls, and adjacent protective cover units are fixed to each other by using the flanges. together.
  • At least a part of the mounting holes are formed on two first side walls and / or two second side walls of each shield unit.
  • each protective cover component includes a flat plate, and the flat plates of several protective covers are spliced in the vertical direction and the circumferential direction.
  • each protective cover member includes a rectangular frame, the rectangular frame includes four side walls, and the four side walls are provided with all The mounting holes are arranged in a horizontal row in a vertical direction.
  • a plurality of the shield members are stacked in a vertical direction, and each shield member includes a rectangular frame, the rectangular frame includes four side walls, and a plurality of the four side walls are provided.
  • Each of the mounting holes is an elongated mounting hole extending in the horizontal direction, and is used to simultaneously install several venturi burners, and the plurality of elongated mounting holes are spaced apart in the vertical direction.
  • the present application provides a method for assembling an ejection type combustion device, which includes an outer frame.
  • the assembly method includes:
  • each burner component includes a protective cover component, and a plurality of venturi burning supported on the protective cover component
  • the gas supply pipelines communicating with a plurality of said venturi burners, the protective cover parts, venturi burners and gas supply pipelines of each burner assembly have been installed together before being placed in the outer frame, when several After the burner components are fixed to each other, a plurality of protective cover components of the burner components collectively form a protective cover of the ejection type combustion device;
  • a shield member of each burner assembly is fixed to the outer frame.
  • each venturi burner includes an air intake portion that injects air and a head generating a flame.
  • Each venturi burner passes through a wall portion of a corresponding protective cover component, so that each venturi burns.
  • the air intake portion and the head of the device are respectively located on both sides of the wall portion of the protective cover member.
  • the protective cover component of each burner assembly includes a rectangular frame, and each rectangular frame includes two opposite first side walls and two opposite second side walls, and the two first sides The wall and the two second side walls are connected to each other to form a rectangle.
  • the assembling method includes stacking a plurality of the burner components in a vertical direction, so that protective cover parts of the burner components are stacked together so that the formed The protective cover is rectangular.
  • the rectangular frame of each shield member includes one or more shield units adjacent in the vertical direction.
  • each protective cover unit is provided with flanges perpendicular to the first and second side walls, and adjacent protective cover units are fixed to each other by using the flanges. together.
  • each protective cover member is provided with a fixing member fixed to the outer frame, a mounting frame is protruded from the outer frame, and the fixing member on the protective cover member extends from its flange. , The fixing member is fixed with the mounting frame.
  • the fixing members are disposed at four corner positions of the uppermost edge of the shield member.
  • the protective cover component of each burner assembly includes a flat plate
  • the step of fixing a plurality of the burner components to each other includes fixing the flat plates of some burner components together in a vertical direction and The flat plates of some burner components are fixed together in a circumferential direction around the vertical direction, so that the flat plates of several burner components are connected to each other to form the protective cover.
  • the assembling method further includes fixing the air supply pipeline to the outer frame by using a pipe clamp.
  • the present application provides an ejection type combustion device.
  • a plurality of mounting holes are opened in the protective cover, and a number of venturi burners pass through the mounting holes.
  • the flame generating heads are located in the flame strength of the protective cover, and the air inlet portion for ejecting air is located outside the protective cover.
  • the number of Venturi burners has increased significantly.
  • the size and power of a single Venturi burner can be significantly reduced, thereby significantly reducing noise and flame length.
  • the venturi burner located on the opposite side of the protective cover sprays, and part of the flame length cancels each other, which effectively reduces the flame length.
  • FIG. 1 is a schematic perspective view of a first embodiment of an ejection type combustion device.
  • FIG. 2 is a side view of the ejection type combustion device of FIG. 1.
  • FIG. 3 is a perspective view of a combustion system of the ejection type combustion device of FIG. 1.
  • FIG. 4 is a sectional view of FIG. 3.
  • Fig. 5 is an exploded perspective view of a burner assembly.
  • Fig. 6 is a perspective assembled view of another embodiment of the burner assembly.
  • FIG. 7 is a schematic perspective view of a second embodiment of the ejection type combustion device.
  • FIG. 8 is a plan view of FIG. 7.
  • Fig. 9 is an exploded perspective view of a burner assembly of a second embodiment of the ejection type combustion device.
  • Fig. 10 is an assembled perspective view of a burner group of a second embodiment of the ejection type combustion device.
  • FIG. 11 is a schematic perspective view of the combination of the protective cover and the outer frame of the first embodiment of the ejection type combustion device.
  • FIG. 12 is an exploded perspective view of FIG. 11.
  • FIG. 13 is a perspective view of a protective cover of a second embodiment of the ejection type combustion device.
  • the present application provides an ejection type combustion device 10, which includes a protective cover 12, a combustion system, and a gas processing unit 14.
  • An outer frame 16 is also fixedly connected to the protective cover 12.
  • the outer frame 16 can be used as a skid-mounted outer frame, so as to solve the transportation and fixing problems of the ejection type combustion device 10 at low cost.
  • the combustion system includes a number of venturi burners 18 to burn the gas to be burned.
  • the gas processing unit 14 includes a control unit and various valves and pipes for processing the gas to be processed, for example, degassing liquid, etc., and sends the processed gas to a combustion system for combustion.
  • control unit is disposed in the skid-mounted outer frame 16 and located at the bottom of the ejection combustion device 10, and a number of Venturi burners 18 are connected to the gas processing unit 14 through a gas supply pipe to receive the to-be-processed Gas.
  • a flame cavity 20 is formed on the inner side of the protective cover 12 for surrounding the flame.
  • the protective cover 12 has a rectangular shape, and the protective cover 12 has two upper and lower openings in a vertical direction.
  • Each Venturi burner 18 has an air inlet 22 for inducing air and a flame generating head 24.
  • a number of Venturi burners 18 pass through the wall portion 26 of the protective cover 12, so that the head of the Venturi burner 18 The portion 24 is located in the flame cavity 20, and the air inlet portion 22 of the venturi burner 18 is located outside the protective cover 12.
  • the venturi burner 18 is also supported on the wall portion 26 of the protective cover 12.
  • This arrangement enables a number of venturi burners 18 to direct the air outside the protective cover 12, and a part of the external air can directly reach the outer wall of the protective cover 12 to have a cooling effect on the wall portion 26 of the protective cover 12.
  • setting the Venturi burner 18 on the wall portion 26 of the protective cover 12 can increase the number of Venturi burners 18 and reduce the size and power of a single Venturi burner 18. Reducing the size of the Venturi burner 18, but increasing the number of Venturi burners 18 at the same time, can provide the same processing power, but can greatly reduce the noise emitted by the burner.
  • the design of the protective cover 12 in this embodiment in a rectangular shape is only one embodiment of the present invention. In other embodiments, the protective cover 12 may also be designed in other shapes according to actual design requirements. The present invention is not correct. This limitation. It should also be noted that, in the present application, the protective cover 12 also includes a top protective cover unit located at the top, but the invention of the present application is not the top protective cover unit, so the top protective cover unit is not described in detail herein.
  • venturi burners 18 are mounted on the wall portion 26 of the protective cover 12. More specifically, the venturi burner 18 is installed on the wall portion 26 of the protective cover 12 obliquely, and the head 24 of the venturi burner 18 is inclined toward the upper opening of the protective cover 12 to prevent the venturi burner 18 from spraying when burning The emitted flame burns to the inner wall of the protective cover 12 and causes damage to the protective cover 12.
  • the angle range between the venturi tube axis of the venturi burner 18 and the horizontal direction may be set to 0-30 degrees, and preferably 10-20 degrees. In a specific embodiment, the angle between the venturi tube axis of the venturi burner 18 and the horizontal direction is set to 15 degrees.
  • the venturi burner 18 is oppositely disposed on the protective cover 12, that is, the venturi burner 18 is provided on two opposite side walls of the rectangle.
  • the venturi on the two side walls The burner 18 sprays. Because there is a slightly upward tilt angle, the flame components in the horizontal direction cancel each other, and the upward components are added to form an upward motive force, preventing the flame from elongating to contact the opposite wall surface, which causes the wall temperature to exceed the standard and change color.
  • the combustion system includes a plurality of individually installable burner assemblies. Due to the large number of Chinese Curry Burners 18 in the present invention, the combustion system is modularized, which can greatly improve the installation efficiency and facilitate assembly. At the same time, it is easy to disassemble when the Venturi Burner 18 or the protective cover 12 fails , Repair and replacement.
  • the combustion system includes four burner assemblies stacked in a vertical direction, each burner assembly including a shield member, a number of Venturi burners 18, and an air supply line.
  • each burner assembly including a shield member, a number of Venturi burners 18, and an air supply line.
  • the bottom burner assembly 28 is taken as an example for introduction.
  • the burner assembly 28 includes a protective cover member 30, a number of Venturi burners 18, and an air supply line 32.
  • the protective cover member 30 is a part of the protective cover 12 of the ejection type combustion device 10, and a plurality of mounting holes 34 are formed in a wall portion of the protective cover member 30.
  • a plurality of the Venturi burners 18 are respectively fixed in the plurality of mounting holes 34, so that the air inlet portion 22 and the head portion 24 of each Venturi burner 18 are located on both sides of the wall portion of the protective cover member 30, respectively.
  • the gas supply lines 32 communicate with the gas processing unit 14 and a plurality of the Venturi burners 18 to supply gas to the plurality of the Venturi burners 18, respectively.
  • the shield member 30 includes a rectangular frame 36, and each rectangular frame 36 includes two opposing first sidewalls 38 and two opposing second sidewalls 40, two first sidewalls 38, and two second sidewalls. 40 are interconnected to form a rectangle.
  • the rectangular frame 36 of the shield member 30 includes one or more shield units 42 adjacent in the vertical direction. In the embodiment shown in FIGS. 3-5, the rectangular frame 36 of the shield member 30 includes a plurality of shield units 42 adjacent in the vertical direction, and in the embodiment shown in FIG. 6, the shield member The rectangular frame 36 of 30 includes only one shield unit 42.
  • each protective cover unit 42 is provided with flanges 44 and the adjacent protective cover units 42 are fixed to each other by means of the flanges 44, for example by bolts or welding.
  • these flanges 44 are perpendicular to the first side wall 38 and the second side wall 40, respectively.
  • At least part of the mounting holes 34 are opened on two first side walls 38 and / or two second side walls 40 of each protective cover unit 42, and at least part of the Venturi burner 18 is installed on each protective cover unit 42.
  • ⁇ 34 Hole 34 inside. That is, although in the illustrated embodiment, the protective cover 12 only has mounting holes 34 on the two opposite first side walls 38, the venturi burner 18 is only mounted on the two first side walls 38, Achieve on spray. In other embodiments, the venturi burner 18 may be installed on only the two second side walls 40 or on the two first side walls 38 and the two second side walls 40 at the same time. Of course, it is also possible to install only part of the protective cover unit 42, and not to install the venturi burner 18 on the partial protective cover unit 42.
  • a protective cover unit 42 At least part of the Venturi burners 18 are arranged in a plurality of spaced horizontal rows in the vertical direction. At the same time, one horizontal row of Venturi burners 18 can be installed on one protective cover unit 42, and a number of horizontal rows of Venturi burners 18 can also be installed. Several horizontal rows of Venturi burners 18 are vertical. Arranged on. Of course, these venturi burners 18 can also be arranged in a vertical row. In order to achieve flame stability, the venturi burner 18 is preferably disposed symmetrically.
  • the air supply pipe 32 has the same structure on both sides of the protective cover member 30, and one of them will now be described as an example.
  • the gas supply pipe 32 includes a gas pipe 46 and a distribution pipe 48.
  • the gas pipe 46 is in communication with one output of the gas processing unit 14 and is used to receive gas to be burned.
  • a section of the gas delivery pipe 46 connected to the distribution pipe 48 is arranged vertically, and a plurality of distribution pipes 48 are arranged horizontally, and each distribution pipe 48 supplies gas to a horizontal row of Venturi burners 18.
  • the gas delivery pipe 46 is located in the middle of the distribution pipe 48.
  • the ends of the distribution pipe 48 are communicated with each other by the communication pipe 50, so that the gas can be redistributed in the plurality of distribution pipes 48.
  • the air supply line 32 on the other side of the shield member 30 is the same.
  • the gas supply pipes 46 of the gas supply lines 32 on both sides communicate with the same output of the gas processing unit 14. That is, the air supply to the venturi burner 18 on both sides is turned on or off at the same time.
  • the remaining burner components have a similar structure.
  • one or more burner components can be selectively turned on for combustion. It should be understood that according to different design requirements, the number of the hood unit 42 of each of the burner components described above may be other values.
  • the above four burner assemblies are stacked in a vertical direction, wherein adjacent burner assemblies are fixed to each other, and each burner assembly is fixed to the outer frame 16, thereby fixing the entire combustion system.
  • FIG. 7-13 is another embodiment of the ejection type combustion device 210.
  • the four side walls of the protective cover 212 are equipped with a venturi burner 218.
  • the specific installation of Venturi burner 218, the setting of the injection, the angle of inclination, and the like are the same as those of the first embodiment, and details are not described herein again.
  • the combustion system also includes a plurality of individually installable burner assemblies.
  • the combustion system includes two burner assemblies stacked in a vertical direction.
  • Each burner assembly includes a shield member, a number of Venturi burners 218, and a gas supply line. The following first introduces one of the bottom burner assemblies 228 as an example.
  • the burner assembly 228 includes a shield member 230, a number of Venturi burners 218, and an air supply line 232.
  • a plurality of mounting holes 234 are defined in the wall portion 226 of the protective cover member 230.
  • the venturi burners 218 are fixed in the mounting holes 234 such that the air intake portion 222 and the head portion 224 of each venturi burner 218 are located on both sides of the wall portion 226 of the protective cover member 230, respectively.
  • the gas supply line 232 is in communication with a gas processing unit 214 and a plurality of the Venturi burners 218 to supply gas to the plurality of the Venturi burners 218.
  • the protective cover member 230 is a rectangular frame 236, and four side walls of the rectangular frame 236 are provided with a plurality of mounting holes 234, and the venturi burner 218 is installed in these mounting holes 234. These venturi burners 218 are arranged in a number of horizontal rows in the vertical direction.
  • the gas supply line 232 also includes distribution pipes 248 that communicate with each horizontal row of Venturi burners 218. Each distribution pipe 248 is correspondingly connected. That row of Venturi burners 218 supplies air.
  • the mounting holes 234 on the four sidewalls are elongated mounting holes 234 extending in the horizontal direction, and several Venturi burners 218 are mounted on the same elongated mounting hole 234. Among them, several of the elongated mounting holes 234 are spaced apart in the vertical direction. Several Venturi burners 218 installed in the same strip-shaped mounting hole 234 are fixed together in advance to form a burner group, so as to be integrally installed in the mounting hole, which simplifies the assembly process of the ejection type combustion device. It should be understood that, in this embodiment, a mounting hole for mounting a single Venturi burner used in the foregoing embodiment may also be provided. Conversely, the mounting holes in the foregoing embodiments can also be replaced by the elongated mounting holes 234 of this embodiment.
  • the rectangular frame 236 in this embodiment may be formed by welding four flat plates 252.
  • the upper and lower edges of the rectangular frame 236 may be provided with flanges 244 to be fixed to each other, or may be fixed together by welding after being stacked.
  • the protective cover component may include a rectangular flat plate, and each side wall of the protective cover is formed by splicing two flat plates, for example, so there are eight flat plates, that is, eight protective cover components.
  • the four edges of the plate may have flanges extending vertically for flange connection to the plate of another adjacent burner assembly.
  • a number of mounting holes are provided in the plate for mounting the venturi burner. Similar to the above embodiments, these venturi burners can also be arranged in a number of horizontal rows at vertical intervals. That is, the eight shield members are welded in the circumferential and vertical directions or connected by flanges to form a rectangular shield.
  • the application also proposes a protective cover for an ejection type combustion device.
  • the following only introduces the structure of the protective cover, and the remaining components such as the venturi burner and the gas supply pipe and their connection position with the protective cover, please refer to the previous description.
  • a flame cavity for surrounding the flame is formed in the protective cover, the protective cover has a side wall, and the side wall is closed in the circumferential direction to form a cylinder with upper and lower openings.
  • the side wall is provided with a plurality of holes for installing the venturi.
  • a mounting hole of the burner, the mounting hole is arranged such that when the venturi tube is installed in the mounting hole, a head of the venturi tube for generating a flame is located in the flame cavity, and the venturi The air inlet portion of the tube for inducing air is located outside the protective cover.
  • the protective cover includes a plurality of independent protective cover members spliced together, and a plurality of the mounting holes are formed in a wall portion of the protective cover member.
  • Each protective cover member 30 includes a rectangular frame 36.
  • the rectangular frame 36 includes two opposite first side walls 38 and two The two opposing second side walls 40, the two first side walls 38 and the two second side walls 40 are connected to each other to form a rectangle, and the two first side walls 38 of all protective cover components are stacked to form two of the protective cover 12.
  • the first side wall 54 and the two second side walls 40 of all the protective cover components are stacked to form the two second side walls 56 of the protective cover 12.
  • each shield member 30 includes one or more shield units 42 adjacent in the vertical direction.
  • the upper and lower edges of each protective cover unit 42 are provided with flanges 44 perpendicular to the first and second side walls 38 and 40. Adjacent protective cover units 42 are fixed to each other by using the flanges 44. together. At least part of the mounting holes 34 are opened on two first side walls 38 and / or two second side walls 40 of each shield unit 42.
  • Each shield member 30 is provided with a fixing member 58 fixed to the outer frame 16 of the ejection type combustion device 10.
  • a mounting bracket 60 protrudes from the outer frame 16, and a fixing member 58 on the shield member 30 extends from its flange 44.
  • the fixing member 58 is bolted or welded to the mounting bracket. 60 fixed.
  • the fixing members 58 are disposed at the four corner positions of the uppermost edge of the shield unit 42, that is, the four corner positions of the uppermost shield unit 42. It should be understood that this fixing method is only an example and should not be considered as a limitation.
  • each protective cover member 230 is stacked in a vertical direction, and each protective cover member 230 is a rectangular frame 236, and four side walls of the rectangular frame 236 are provided with a plurality of mounting holes 234 for Install Venturi burner 218.
  • the mounting holes 234 on the four sidewalls are elongated mounting holes 234 extending in the horizontal direction, and several Venturi burners 218 are mounted on the same elongated mounting hole 234. Among them, several of the elongated mounting holes 234 are spaced apart in the vertical direction.
  • Venturi burners 218 ready to be installed in the same strip-shaped mounting hole 234 can be fixed together in advance to form a burner group, which simplifies the assembly process of the ejection type combustion device. It should be understood that these mounting holes 234 may also be round holes as shown in the foregoing embodiments, for mounting a single Venturi burner.
  • the rectangular frame 236 in this embodiment may be formed by welding four flat plates 252.
  • the upper and lower edges of the rectangular frame 236 may be provided with flanges 244 to be fixed to each other, or may be fixed together by welding after being stacked.
  • the protective cover component may include a rectangular flat plate, and each side wall of the protective cover is formed by splicing two flat plates, for example, so there are eight flat plates, that is, eight protective cover components.
  • the four edges of the plate may have flanges extending vertically for flange connection to the plate of another adjacent burner assembly.
  • a number of mounting holes are provided in the plate for mounting the venturi burner. Similar to the above embodiments, the mounting holes can also be arranged in a horizontal row at a plurality of intervals in the vertical direction (a row of mounting holes is a row). That is, the eight shield members are welded in the circumferential and vertical directions or connected by flanges to form a rectangular shield.
  • the design number of the above-mentioned protective cover member 230 is merely exemplary, and the number is not limited to four or two. According to the shape of the protective cover 212 and the actual construction design requirements, the protective cover member 230 may also be set to other It should also be understood that the number of the mounting holes 234 included in each protective cover member 230 can also be reasonably adjusted according to design requirements, which is not limited in the present invention. Moreover, the arrangement of the mounting holes 234 can also be adjusted according to the actual situation.
  • the present application also proposes a method for assembling an ejection type combustion device.
  • the assembly method includes:
  • each burner assembly (28,228) includes a hood component (30,230), a number of venturi burners (18,218) supported on the hood component (30,230), and a number of said venturi burners (18,218) ) Connected air supply lines (32,232), the protective cover parts (30,230), venturi burners (18,218) and air supply lines (32,232) of each burner assembly (28,228) have been placed in the outer frame (16,216) Installed together, when several burner components (28,228) are fixed to each other, the protective cover parts (30,230) of several burner components (28,228) together form the protective cover (12,212) of the ejection type combustion device (10,210).
  • the assembly method further includes fixing a shield member (30, 230) of each burner assembly (28, 228) to an outer frame (16, 216).
  • the burner components (28,228) can be placed in the outer frame (16,216) and fixed to each other, and then the protective cover (12,212) of each burner component (28,228) can be fixed to the outer frame (16,216).
  • a burner assembly (28,228) can also be placed, and the protective cover (12,212) of the burner assembly (28,228) is fixed to the outer frame (16,216) before the next burner assembly (28,228). That is, the order of the assembly steps is not limited.
  • each Venturi burner (18,218) includes an air inlet (22,222) that injects air and a flame generating head (24,224).
  • Each Venturi burner (18,218) passes through the corresponding protective cover
  • the wall (26,226) of the component (30,230) is such that the air inlet (22,222) and the head (24,224) of each venturi burner (18,218) are located two side.
  • the protective cover member 30 of each burner assembly 28 includes a rectangular frame 36, and each rectangular frame 36 includes two opposing first side walls 38 and two opposing second side walls 40. A side wall 38 and two second side walls 40 are connected to each other to form a rectangle.
  • the assembling method includes stacking a plurality of burner assemblies 28 in a vertical direction, so that the shield members 30 of the plurality of burner assemblies 28 are stacked together so that the formed shield 12 is rectangular.
  • each shield member 30 includes one or more shield units 42 adjacent in the vertical direction.
  • the upper edge and the lower edge of each protective cover unit 42 are provided with flanges 44 perpendicular to the first side wall 38 and the second side wall 40.
  • Adjacent protective cover units 42 are fixed to each other by the flange 44.
  • the fixing method can be bolt or welding.
  • the ejection combustion device 210 includes two burner assemblies 228 stacked in a vertical direction.
  • Each shield member 230 is a rectangular frame 236, and the four side walls of the rectangular frame 236 are equipped with a venturi burner 218.
  • the two shield members 230 are stacked to form a complete shield 212.
  • the rectangular frame 236 in this embodiment may be formed by welding four flat plates 252.
  • the upper and lower edges of the rectangular frame 236 may be provided with flanges 244 to be fixed to each other, or may be fixed together by welding after being stacked.
  • the protective cover component of each burner assembly includes a flat plate
  • the step of fixing a plurality of the burner components to each other includes fixing a flat plate of a part of the burner components in a vertical direction.
  • the flat plates of partial burner assemblies are fixed together and in a circumferential direction surrounding the vertical direction, so that the flat plates of several of the burner assemblies are connected to each other to form the protective cover.
  • the edge of each flat plate has a flange extending vertically, and the assembly method includes using the flange to connect the flat plates to each other.
  • these air supply lines are fixed to the outer frame using pipe clamps.
  • pipe clamps For the specific structure of the gas supply pipeline, please refer to the previous embodiment, which will not be repeated here.
  • the present application attempts to reduce the noise by reducing the size and power of a single Venturi burner and increasing the number of Venturi burners. Since the installation hole is provided in the side wall or wall of the protective cover, or the venturi burner is installed through the side wall of the protective cover, a venturi burner can be installed in a larger height range of the protective cover, so that Get higher density, more Venturi burner installations. Different from the prior art Chinese Venturi burners are basically installed vertically (some are slightly inclined), some embodiments of the present application install the Venturi burners horizontally and have an upward inclination angle, which can obtain a significantly increased Venturi. Number of burners. In some embodiments, the number of mounting holes or venturi burners is greater than 500.
  • the number of the mounting holes or Venturi burners is greater than 1,000.
  • the above embodiment is described by taking a segmented or divided protective cover as an example. It should be understood that the solution of passing the burner through the side wall of the protective cover in this application may also be applied to the integrated protective cover.
  • the present application provides an ejection type combustion device, a burner assembly thereof, a protective cover, and an assembly method.
  • a plurality of mounting holes are opened in the protective cover, and a number of venturi burners pass through the mounting holes.
  • the flame generating head is located in the flame cavity of the protective cover, and the air inlet portion for ejecting air is located outside the protective cover.

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

Abstract

本申请提出一种引射式燃烧装置，包括防护罩和燃烧系统，所述燃烧系统包括若干文丘里燃烧器，每一文丘里燃烧器具有引射空气的进气部和产生火焰的头部，所述防护罩的内侧形成一用于包围火焰的火焰腔，其特征在于，若干所述文丘里燃烧器穿过所述防护罩的壁部并支撑在所述防护罩的壁部上，使得所述文丘里燃烧器的头部位于所述火焰腔，而所述文丘里燃烧器的进气部位于所述防护罩外侧。

Description

引射式燃烧装置及其燃烧器组件、防护罩及组装方法 技术领域
本申请涉及一种引射式燃烧装置，特别涉及一种引射式燃烧装置及其燃烧器组件、防护罩及组装方法。
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。
放空火炬系统一般采用引射式燃烧装置，本申请人之前设计的引射式燃烧装置包括在竖直方向上的若干层文丘里燃烧器对燃气进行燃烧。竖直方向上的若干层防护罩环设在这些文丘里燃烧器周围以形成火焰腔，挡住热量辐射。每一层防护罩环绕一层燃烧器，相邻层防护罩之间留有间隙，以便燃烧器的进气部与外界连通，引射空气。但是，在居民区和办公、生产区域附近，对噪音、火焰长度和壁筒温度等指标有更高要求。同时，火炬系统体积巨大，安装较困难。因此，有必要进一步改进现有的引射式燃烧装置。
发明内容
有鉴于此，本申请提供一种能改进噪音、火焰长度和壁筒温度中至少一个指标的引射式燃烧装置及其燃烧器组件、防护罩及组装方法。
一方面，本申请提供一引射式燃烧装置，包括防护罩和燃烧系统，所述燃烧系统包括若干文丘里燃烧器，每一文丘里燃烧器具有引射空气的进气部和产生火焰的头部，所述防护罩的内侧形成一用于包围火焰的火焰腔，其特征在于，若干所述文丘里燃烧器穿过所述防护罩的壁部并支撑在所述防护罩的壁部上，使得所述文丘里燃烧器的头部位于所述火焰腔，而所述文丘里燃烧器的进气部位于所述防护罩外侧。
在一实施例中，所述防护罩呈矩形，具有上、下开口。
在一实施例中，所述文丘里燃烧器朝向上开口倾斜，所述文丘里燃烧器的轴线与水平方向的夹角大于0度，小于30度。
在一实施例中，所述文丘里燃烧器朝向上开口倾斜，所述文丘里燃烧器的轴线与水平方 向的夹角为10-20度。
在一实施例中，所述文丘里燃烧器朝向上开口倾斜，所述文丘里燃烧器的轴线与水平方向的夹角为15度。
在一实施例中，若干所述文丘里燃烧器设置在所述矩形的防护罩的两相对侧壁，所述两相对侧壁上的文丘里燃烧器相对喷射火焰。
在一实施例中，若干所述文丘里燃烧器设置在所述矩形的防护罩的所有四个侧壁，其中两相对侧壁上的文丘里燃烧器相对喷射火焰，另外两相对侧壁上的文丘里燃烧器相对喷射火焰。
在一实施例中，所述防护罩包括竖直方向堆叠的若干防护罩部件，每个防护罩部件包括一个或多个相邻的防护罩单元，所述防护罩单元的两相对壁部上设有至少部分所述文丘里燃烧器，所述防护罩单元的两相对壁部上的文丘里燃烧器同时供气或同时切断供气。
在一实施例中，所述防护罩包括竖直方向堆叠的若干防护罩部件，每个防护罩部件呈矩形，所述防护罩单元的所有四个侧壁上设有至少部分所述文丘里燃烧器，所述防护罩单元的四个侧壁上的文丘里燃烧器同时供气或同时切断供气，所述四个侧壁上的每个侧壁上的文丘里燃烧器在竖直方向上排列成若干间隔的横排。
在一实施例中，所述文丘里燃烧器的数量大于500。
另一方面，本申请提供一种引射式燃烧装置的燃烧器组件，所述燃烧器组件包括：
防护罩部件，所述防护罩部件为所述引射式燃烧装置的防护罩的一部分，所述防护罩部件的壁部开设若干安装孔；
若干文丘里燃烧器，每一文丘里燃烧器包括引射空气的进气部和产生火焰的头部，若干所述文丘里燃烧器固定在若干所述安装孔内，使每一文丘里燃烧器的进气部和头部分别位于所述防护罩部件的壁部的两侧；以及
供气管路，所述供气管路与若干所述文丘里燃烧器连通以为若干所述文丘里燃烧器供应燃气。
在一实施例中，所述防护罩部件包括一矩形框，所述矩形框包括两个相对的第一侧壁和两个相对的第二侧壁，所述两个第一侧壁和两个第二侧壁相互连接构成矩形，所述防护罩部件的矩形框包括一个或多个在竖直方向上相邻的防护罩单元。
在一实施例中，每一防护罩单元的上缘和下缘设有与所述第一侧壁和第二侧壁垂直的法兰，相邻的防护罩单元利用所述法兰相互固定在一起。
在一实施例中，至少部分所述安装孔开设在每一防护罩单元的两个第一侧壁和/或两个第二侧壁上，至少部分所述文丘里燃烧器安装在每一防护罩单元的安装孔内。
在一实施例中，所述防护罩部件包括一平板，所述平板的边缘具有垂直延伸的法兰，所述法兰用于与另一相邻的燃烧器组件的平板的法兰连接。
在一实施例中，所述防护罩部件包括一矩形框，所述矩形框的所有四个侧壁都开设有安装孔，至少部分所述文丘里燃烧器安装在所有四个侧壁的安装孔中。
在一实施例中，所述四个侧壁上的安装孔为在水平方向上延伸的长条形安装孔，若干个文丘里燃烧器安装在同一个长条形安装孔中，若干所述长条形的安装孔在竖直方向上间隔开。
在一实施例中，安装在同一个长条形安装孔内的若干文丘里燃烧器相互连接构成一个燃烧器组，整体地安装在所述长条形安装孔内。
在一实施例中，至少部分所述文丘里燃烧器在竖直方向上排列成若干横排。
在一实施例中，所述供气管路包括输气管和分配管，所述输气管用于与一燃气处理单元的一路输出连通，用于接收待燃烧的燃气，所述分配管有多支，每支分配管与所述输气管连通并同时与部分文丘里燃烧器连通，以向所述部分文丘里燃烧器分配燃气，所述文丘里燃烧器在竖直方向上排列成若干横排，所述输气管与分配管连接的一段竖直设置，而所述多支分配管水平排列，每支分配管为其中一横排的文丘里燃烧器供气，所述输气管与分配管连接的那一段位于分配管的中间位置，所述多支分配管的末端利用连通管相互连通。
另一方面，本申请提供一种引射式燃烧装置的防护罩，所述引射式燃烧装置利用若干文丘里燃烧器燃烧待处理的燃气，所述防护罩内形成用于包围火焰的火焰腔，所述防护罩具有侧壁，所述侧壁周向闭合形成具有上下开口的筒体，所述侧壁贯穿设有若干用于安装所述文丘里燃烧器的安装孔，所述安装孔设置成，当所述文丘里管安装在所述安装孔时，所述文丘里管用于产生火焰的头部位于所述火焰腔内，而所述文丘里管用于引射空气的进气部位于所述防护罩外部。
在一实施例中，所述防护罩包括若干独立且相互拼接在一起的防护罩部件，所述防护罩部件的壁部开设若干所述安装孔。
在一实施例中，若干所述防护罩部件在竖直方向上堆叠，每一防护罩部件包括一矩形框，所述矩形框包括两个相对的第一侧壁和两个相对的第二侧壁，所述两个第一侧壁和两个第二侧壁相互连接构成矩形，所有防护罩部件的两个第一侧壁堆叠后形成所述防护罩的两个第一侧壁，所有防护罩部件的两个第二侧壁堆叠后形成所述防护罩的两个第二侧壁。
在一实施例中，每一防护罩部件的矩形框包括一个或多个在竖直方向上相邻的防护罩单元。
在一实施例中，每一防护罩单元的上缘和下缘设有与所述第一侧壁和第二侧壁垂直的法 兰，相邻的防护罩单元利用所述法兰相互固定在一起。
在一实施例中，至少部分所述安装孔开设在每一防护罩单元的两个第一侧壁和/或两个第二侧壁上。
在一实施例中，每一防护罩部件包括一平板，若干所述防护罩的平板在竖直方向及周向上拼接。
在一实施例中，若干所述防护罩部件在竖直方向上堆叠，每一防护罩部件包括一矩形框，所述矩形框包括四个侧壁，所述四个侧壁上都设有所述安装孔，每一侧壁上的安装孔在竖直方向上排列成若干间隔的横排。
在一实施例中，若干所述防护罩部件在竖直方向上堆叠，每一防护罩部件包括一矩形框，所述矩形框包括四个侧壁，所述四个侧壁上都设有若干所述安装孔，每一安装孔为在水平方向上延伸的长条形安装孔，用于同时安装若干个文丘里燃烧器，若干所述长条形的安装孔在竖直方向上间隔开
又一方面，本申请提供一种引射式燃烧装置的组装方法，所述引射式燃烧装置包括外框。所述组装方法包括：
将若干燃烧器组件放置在所述外框内，并将若干所述燃烧器组件相互固定在一起，其中每一燃烧器组件包括防护罩部件、支撑在所述防护罩部件上的若干文丘里燃烧器以及与若干所述文丘里燃烧器连通的供气管路，每一燃烧器组件的防护罩部件、文丘里燃烧器和供气管路在放置在所述外框内之前已经安装在一起，当若干所述燃烧器组件相互固定在一起后，若干所述燃烧器组件的防护罩部件共同形成所述引射式燃烧装置的防护罩；以及
将每一燃烧器组件的防护罩部件固定至所述外框。
在一实施例中，每一文丘里燃烧器包括引射空气的进气部和产生火焰的头部，每一文丘里燃烧器穿过对应的防护罩部件的壁部，使得每一文丘里燃烧器的进气部和头部分别位于所述防护罩部件的壁部的两侧。
在一实施例中，每一燃烧器组件的防护罩部件包括一矩形框，每一矩形框包括两个相对的第一侧壁和两个相对的第二侧壁，所述两个第一侧壁和两个第二侧壁相互连接构成矩形，所述组装方法包括在竖直方向上堆叠若干所述燃烧器组件，使得若干所述燃烧器组件的的防护罩部件堆叠在一起以使形成的所述防护罩呈矩形。
在一实施例中，每一防护罩部件的矩形框包括一个或多个在竖直方向上相邻的防护罩单元。
在一实施例中，每一防护罩单元的上缘和下缘设有与所述第一侧壁和第二侧壁垂直的法兰，相邻的防护罩单元利用所述法兰相互固定在一起。
在一实施例中，每个防护罩部件设有与所述外框固定的固定件，所述外框上凸伸出一安装架，所述防护罩部件上的固定件从其法兰延伸出，该固定件与该安装架固定。
在一实施例中，所述固定件设置在防护罩部件的最上缘的四个角落位置。
在一实施例中，每一燃烧器组件的防护罩部件包括一平板，将若干所述燃烧器组件相互固定在一起的步骤包括在竖直方向上将部分燃烧器组件的平板固定在一起以及在环绕所述竖直方向的周向上将部分燃烧器组件的平板固定在一起，使得若干所述燃烧器组件的平板相互连接形成所述防护罩。
在一实施例中，所述组装方法还包括利用管夹将所述供气管路固定在所述外框上。
综上所述，本申请提供一种引射式燃烧装。本申请在防护罩上开设若干安装孔，若干文丘里燃烧器穿过这些安装孔，其产生火焰的头部位于防护罩的火焰强内，而引射空气的进气部位于防护罩之外。这种设计，使得可以在更大范围内引射空气，一方面可以显著增加燃烧器的数量，而不至于每个燃烧器的空气引射量不足。另一方面，在防护罩外围，由于文丘里燃烧器的引射作用，除了一部分外围空气被引射进文丘里燃烧器内参与燃烧，还会导致大量外围冷空气向防护罩移动，对防护罩本身进行散热。本申请的上述实施例中，文丘里燃烧器数量显著增加，对于处理同样数量的燃气，单个文丘里燃烧器的尺寸和功率可以显著减小，从而显著减小噪音及火焰长度。而且，位于防护罩相对侧的文丘里燃烧器对喷，一部分火焰长度相互抵消，有效地降低了火焰长度。
附图说明
图1是引射式燃烧装置第一实施例的立体示意图。
图2是图1的引射式燃烧装置的侧视图。
图3是图1的引射式燃烧装置的燃烧系统的立体图。
图4是图3的剖面图。
图5是燃烧器组件的立体分解图。
图6是燃烧器组件的另一实施方式的立体组合图。
图7是引射式燃烧装置第二实施例的立体示意图。
图8是图7的平面图。
图9是引射式燃烧装置第二实施例的燃烧器组件的立体分解图。
图10是引射式燃烧装置第二实施例的燃烧器组的立体组合图。
图11是引射式燃烧装置第一实施例的防护罩与外框结合的立体示意图。
图12是图11的立体分解图。
图13是引射式燃烧装置第二实施例的防护罩的立体图。
具体实施方式
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。
另外，本申请说明书及权利要求中是以引射式燃烧装置的竖直放置(正常使用状态)时进行说明的，所以文中大量使用竖直方向和水平方向的方向用语是参照其竖直放置状态进行说明的。可以理解，本申请的引射式燃烧装置可以放倒(例如运输过程中)，此时上述方向用语应该旋转90度进行理解。
如图1至图6所示，本申请提供一种引射式燃烧装置10，该引射式燃烧装置10包括防护罩12、燃烧系统以及燃气处理单元14。防护罩12外还固定连接一外框16。在一实施例中，该外框16可作为撬装外框，以便于低成本地解决引射式燃烧装置10的运输和固定问题。所述燃烧系统包括若干文丘里燃烧器18，以对待燃烧的燃气进行燃烧。燃气处理单元14包括控制单元以及各种阀门和管道，用于对待处理的燃气进行处理，例如除析液等，并将处理之后的燃气输送至燃烧系统进行燃烧。在所示的实施例中，控制单元设置在撬装外框16内并位于引射式燃烧装置10的底部，若干文丘里燃烧器18通过供气管路连接至燃气处理单元14以接收待处理的燃气。
防护罩12的内侧形成一用于包围火焰的火焰腔20。本实施例中，防护罩12呈矩形形状，且防护罩12在竖直方向上具有上、下两开口。每一文丘里燃烧器18具有用于引射空气的进气部22和产生火焰的头部24，若干文丘里燃烧器18穿过防护罩12的壁部26，使得文丘里燃烧器18的头部24位于火焰腔20内，而文丘里燃烧器18的进气部22位于防护罩12外侧。在所示的实施例中，文丘里燃烧器18也支撑在防护罩12的壁部26上。这样设置能够使得若干文丘里燃烧器18在将防护罩12外部的空气引射过来的过程中，有一部分外部的空气能够直达防护罩12的外壁以对防护罩12的壁部26具有冷却的作用；同时，将文丘里燃烧器18设置在防护罩12的壁部26，能够达到增加文丘里燃烧器18的数量、减小单个文丘里燃烧器18尺寸和功率的目的。减小文丘里燃烧器18尺寸，但同时增加文丘里燃烧器18的数量，可以提供同样的处理能力，但可以大大降低燃烧器燃烧时所发出的噪音。
应当指出的是，本实施例中将防护罩12设计为矩形形状仅为本发明的一种实施方式， 在其他实施例中，防护罩12也可以根据实际设计需要设计成其他形状，本发明不对此限定。还应当指出的是，在本申请中，防护罩12还包括位于顶部的顶部防护罩单元，但是本申请的发明点不在于顶部防护罩单元，因此本文未对顶部防护罩单元详细描述。
若干文丘里燃烧器18安装在防护罩12的壁部26上。更具体地，文丘里燃烧器18倾斜安装在防护罩12的壁部26上，且文丘里燃烧器18的头部24朝向防护罩12的上部开口方向倾斜，避免文丘里燃烧器18燃烧时喷射出的火焰烧到防护罩12的内壁，对防护罩12造成损害。
在一实施例中，将文丘里燃烧器18的文丘里管轴线与水平方向的夹角范围可以设置为0-30度，优选的是10-20度。在一具体实施例中，将文丘里燃烧器18的文丘里管轴线与水平方向夹角设定为15度。
在所示的实施例中，文丘里燃烧器18在防护罩12上相对设置，即在矩形的两个相对的侧壁上设置文丘里燃烧器18，燃烧时，两个侧壁上的文丘里燃烧器18对喷。由于有一个稍微朝上的倾角，火焰在水平方向上的分量相互抵消，而向上的分量相加形成向上的动力，防止火焰伸长接触到相对壁面，导致壁筒温度超标，变色。
在所示的实施例中，燃烧系统包括多个可单独安装的燃烧器组件。由于本发明中文丘里燃烧器18的数量较多，将燃烧系统模块化，能够在很大程度上提高安装效率，便于组装，同时当文丘里燃烧器18或防护罩12出现故障时也便于拆卸、维修和更换。
在图1-6的实施例中，燃烧系统包括四个在竖直方向堆叠的燃烧器组件，每个燃烧器组件包括防护罩部件、若干文丘里燃烧器18及供气管路。下面先以最底下的燃烧器组件28为例进行介绍。
燃烧器组件28包括防护罩部件30、若干文丘里燃烧器18及供气管路32。防护罩部件30为所述引射式燃烧装置10的防护罩12的一部分，防护罩部件30的壁部开设若干安装孔34。若干所述文丘里燃烧器18分别固定在若干所述安装孔34内，使每一文丘里燃烧器18的进气部22和头部24分别位于防护罩部件30的壁部的两侧。供气管路32分别与燃气处理单元14和若干所述文丘里燃烧器18连通以为若干所述文丘里燃烧器18供应燃气。
防护罩部件30包括一矩形框36，每一矩形框36包括两个相对的第一侧壁38和两个相对的第二侧壁40，两个第一侧壁38和两个第二侧壁40相互连接构成矩形。防护罩部件30的矩形框36包括一个或多个在竖直方向上相邻的防护罩单元42。在图3-5所示的实施例中，防护罩部件30的矩形框36包括多个在竖直方向上相邻的防护罩单元42，而在图6所示的实施例中，防护罩部件30的矩形框36只包括一个防护罩单元42。
每一防护罩单元42的上缘和下缘设有法兰44，相邻的防护罩单元42利用法兰44相互 固定在一起，例如通过螺栓或者焊接。在所示的实施例中，这些法兰44分别与第一侧壁38和第二侧壁40垂直。
至少部分安装孔34开设在每一防护罩单元42的两个第一侧壁38和/或两个第二侧壁40上，至少部分文丘里燃烧器18安装在每一防护罩单元42的安装孔34内。也就是说，虽然在所示的实施例中，防护罩12只在两个相对的第一侧壁38上开设安装孔34，文丘里燃烧器18只安装在两个第一侧壁38上，实现对喷。在其他实施例中，文丘里燃烧器18也可以只安装在两个第二侧壁40上，或者同时安装在两个第一侧壁38和两个第二侧壁40上。当然，也可以只在部分防护罩单元42上安装，而在部分防护罩单元42上不安装文丘里燃烧器18。
在一防护罩单元42中，至少部分文丘里燃烧器18在竖直方向上排列成若干间隔的横排。同时，在一个防护罩单元42上，可以安装一横排的文丘里燃烧器18，也可以安装若干间隔的横排的文丘里燃烧器18，若干横排的文丘里燃烧器18在竖直方向上排列。当然，这些文丘里燃烧器18也可以呈竖排排列。为了实现火焰的稳定性，对喷的文丘里燃烧器18最好对称设置。
供气管路32在防护罩部件30的两侧具有相同的结构，现在以其中一侧为例进行说明。供气管路32包括输气管46和分配管48，输气管46与燃气处理单元14的一路输出连通，用于接收待燃烧的燃气。分配管48有多支，每支分配管48与输气管46连通并同时与部分文丘里燃烧器18连通，以向文丘里燃烧器18分配燃气。在所示的实施例中，输气管46与分配管48连接的一段竖直设置，而多支分配管48水平排列，每支分配管48为一横排的文丘里燃烧器18供气。为分配均匀，输气管46位于分配管48的中间位置。更进一步地，分配管48的末端利用连通管50相互连通，使得燃气可以在多支分配管48内进行再分配。
防护罩部件30另一侧的供气管路32相同。两侧的供气管路32的输气管46与燃气处理单元14的同一路输出连通。即，对两侧的对喷文丘里燃烧器18的供气同时开启或关闭。
其余燃烧器组件具有类似的结构。在本实施例中，从下往上，有四个燃烧器组件，分别具有四个防护罩单元42、四个防护罩单元42、六个防护罩单元42、六个防护罩单元42。根据要处理的燃气的量，可以选择性的开启一个或多个燃烧器组件进行燃烧。应当理解，根据不同的设计需求，上述每个燃烧器组件的防护罩单元42的数量可以为其他数值。
上述四个燃烧器组件在竖直方向上堆叠，其中相邻燃烧器组件之间相互固定，并且每个燃烧器组件与外框16固定，从而将整个燃烧系统固定。
图7-13是引射式燃烧装置210的另一实施例。该实施例中，防护罩212的四个侧壁都安装有文丘里燃烧器218。具体文丘里燃烧器218的安装、对喷及倾角等设置与第一实施例相同，在此不再赘述。
在该实施例中，燃烧系统也包括多个可单独安装的燃烧器组件。在图7-8的实施例中，燃烧系统包括在竖直方向上叠置的两个燃烧器组件。每个燃烧器组件包括防护罩部件、若干文丘里燃烧器218及供气管路。下面先以最底下的其中一个燃烧器组件228为例进行介绍。
燃烧器组件228包括防护罩部件230、若干文丘里燃烧器218及供气管路232。防护罩部件230的壁部226开设若干安装孔234。所述文丘里燃烧器218固定在安装孔234内，使每一文丘里燃烧器218的进气部222和头部224分别位于所述防护罩部件230的壁部226的两侧。供气管路232分别与燃气处理单元214和若干所述文丘里燃烧器218连通以为若干所述文丘里燃烧器218供应燃气。
在该实施例中，防护罩部件230为一矩形框236，矩形框236的四个侧壁都开设若干安装孔234，文丘里燃烧器218安装在这些安装孔234中。这些文丘里燃烧器218在竖直方向上排列成若干间隔的横排，供气管路232也包括与每一横排文丘里燃烧器218连通的分配管248，每一分配管248为对应连通的那一排文丘里燃烧器218供气。
在所示的实施例中，所述四个侧壁上的安装孔234为在水平方向上延伸的长条形安装孔234，若干个文丘里燃烧器218安装在同一个长条形安装孔234中，若干所述长条形的安装孔234在竖直方向上间隔开。安装在同一长条形安装孔234中的若干文丘里燃烧器218事先固定在一起构成一个燃烧器组，以便整体地安装在安装孔内，如此更简化了引射式燃烧装置的组装过程。应当理解的是，本实施例也可以设置前述实施例中使用的用于安装单一文丘里燃烧器的安装孔。反过来，前述实施例中的安装孔也可以用本实施的长条形安装孔234代替。
该实施例中的矩形框236可以由四个平板252焊接而成。该矩形框236的上下缘可设有法兰244以相互固定，或者在叠置后，通过焊接固定在一起。
在另一未示出的实施例中，防护罩部件可包括一矩形的平板，防护罩每个侧壁例如由两个平板拼接而成，如此总共有八个平板，即八个防护罩部件。平板的四个边缘可具有垂直延伸的法兰，所述法兰用于与另一相邻的燃烧器组件的平板的法兰连接。平板上开设若干安装孔，用于安装文丘里燃烧器。与上述实施例类似，这些文丘里燃烧器也可以在竖直方向上排列成若干间隔的横排。也就是说，这八个防护罩部件在周向上和竖直方向上焊接或通过法兰连接而形成矩形防护罩。
本申请还提出一种引射式燃烧装置的防护罩。以下仅仅介绍防护罩的结构，其余元件例如文丘里燃烧器和供气管路及其与防护罩的连接位置关系，请参考前面的描述。
防护罩内形成用于包围火焰的火焰腔，所述防护罩具有侧壁，所述侧壁周向闭合形成具有上下开口的筒体，所述侧壁贯穿设有若干用于安装所述文丘里燃烧器的安装孔，所述安装孔设置成，当所述文丘里管安装在所述安装孔时，所述文丘里管用于产生火焰的头部位于所 述火焰腔内，而所述文丘里管用于引射空气的进气部位于所述防护罩外部。所述防护罩包括若干独立且相互拼接在一起的防护罩部件，所述防护罩部件的壁部开设若干所述安装孔。
在图11-12的实施例中，四个防护罩部件30在竖直方向上堆叠，每一防护罩部件30包括一矩形框36，矩形框36包括两个相对的第一侧壁38和两个相对的第二侧壁40，两个第一侧壁38和两个第二侧壁40相互连接构成矩形，所有防护罩部件的两个第一侧壁38堆叠后形成防护罩12的两个第一侧壁54，所有防护罩部件的两个第二侧壁40堆叠后形成所述防护罩12的两个第二侧壁56。
每一防护罩部件30的矩形框36包括一个或多个在竖直方向上相邻的防护罩单元42。每一防护罩单元42的上缘和下缘设有与所述第一侧壁38和第二侧壁40垂直的法兰44，相邻的防护罩单元42利用所述法兰44相互固定在一起。至少部分安装孔34开设在每一防护罩单元42的两个第一侧壁38和/或两个第二侧壁40上。
每个防护罩部件30设有与引射式燃烧装置10的外框16固定的固定件58。在图12的实施例中，外框16上凸伸出一安装架60，防护罩部件30上的固定件58从其法兰44延伸出，该固定件58利用螺栓或者焊接方式与该安装架60固定。在所示的实施例中，固定件58设置在防护罩单元42的最上缘的四个角落位置，也即是最上一个防护罩单元42的四个角落位置。应当理解，这种固定方式只是一种举例，不应当被视为限制。
在图13的实施例中，两个防护罩部件230在竖直方向上堆叠，每个防护罩部件230为一矩形框236，矩形框236的四个侧壁都开设若干安装孔234，用于安装文丘里燃烧器218。在所示的实施例中，所述四个侧壁上的安装孔234为在水平方向上延伸的长条形安装孔234，若干个文丘里燃烧器218安装在同一个长条形安装孔234中，若干所述长条形的安装孔234在竖直方向上间隔开。准备安装在同一长条形安装孔234中的若干文丘里燃烧器218可以事先固定在一起构成一个燃烧器组，如此更简化了引射式燃烧装置的组装过程。应当理解的是，这些安装孔234也可以为前述实施例中所示的圆孔，用于安装单一文丘里燃烧器。
该实施例中的矩形框236可以由四个平板252焊接而成。该矩形框236的上下缘可设有法兰244以相互固定，或者在叠置后，通过焊接固定在一起。
在另一未示出的实施例中，防护罩部件可包括一矩形的平板，防护罩每个侧壁例如由两个平板拼接而成，如此总共有八个平板，即八个防护罩部件。平板的四个边缘可具有垂直延伸的法兰，所述法兰用于与另一相邻的燃烧器组件的平板的法兰连接。平板上开设若干安装孔，用于安装文丘里燃烧器。与上述实施例类似，这些安装孔也可以在竖直方向上排列成若干间隔的横排(一个长条形的安装孔就是一排)。也就是说，这八个防护罩部件在周向上和竖直方向上焊接或通过法兰连接而形成矩形防护罩。
应当理解的是，上述防护罩部件230的设计数量仅为例示性，其数量并不限定在四个或两个，根据防护罩212的形状及实际施工设计需要防护罩部件230也可以设置成其他数量，也应当理解，每个防护罩部件230所包含的安装孔234数量根据设计需要也可以对应做出合理的调整，本发明并不对此限定。而且，安装孔234的排列方式也可以根据实际进行调整。
本申请在此也提出一种引射式燃烧装置的组装方法。所述组装方法包括：
将若干燃烧器组件(28,228)放置在所述外框(16,216)内，并将若干燃烧器组件(28,228)相互固定在一起。如前所述，每一燃烧器组件(28,228)包括防护罩部件(30,230)、支撑在防护罩部件(30,230)上的若干文丘里燃烧器(18,218)以及与若干所述文丘里燃烧器(18,218)连通的供气管路(32,232)，每一燃烧器组件(28,228)的防护罩部件(30,230)、文丘里燃烧器(18,218)和供气管路(32,232)在放置在外框(16,216)内之前已经安装在一起，当若干燃烧器组件(28,228)相互固定在一起后，若干燃烧器组件(28,228)的防护罩部件(30,230)共同形成引射式燃烧装置(10,210)的防护罩(12,212)。
所述组装方法还包括将每一燃烧器组件(28,228)的防护罩部件(30,230)固定至外框(16,216)。
可以先将各燃烧器组件(28,228)放置在外框(16,216)内，相互固定在一起，然后再将每一燃烧器组件(28,228)的防护罩(12,212)固定至外框(16,216)。也可以放置一个燃烧器组件(28,228)，将该燃烧器组件(28,228)的防护罩(12,212)先与外框(16,216)固定，然后再放置下一个燃烧器组件(28,228)。也就是说，并不限定上述组装步骤的顺序。
如前所述，每一文丘里燃烧器(18,218)包括引射空气的进气部(22,222)和产生火焰的头部(24,224)，每一文丘里燃烧器(18,218)穿过对应的防护罩部件(30,230)的壁部(26,226)，使得每一文丘里燃烧器(18,218)的进气部(22,222)和头部(24,224)分别位于防护罩部件(30,230)的壁部(26,226)的两侧。
如图5，每一燃烧器组件28的防护罩部件30包括一矩形框36，每一矩形框36包括两个相对的第一侧壁38和两个相对的第二侧壁40，两个第一侧壁38和两个第二侧壁40相互连接构成矩形。所述组装方法包括在竖直方向上堆叠若干燃烧器组件28，使得若干燃烧器组件28的防护罩部件30堆叠在一起以使形成的防护罩12呈矩形。
如前所述，每一防护罩部件30的矩形框36包括一个或多个在竖直方向上相邻的防护罩单元42。每一防护罩单元42的上缘和下缘设有与第一侧壁38和第二侧壁40垂直的法兰44，相邻的防护罩单元42利用法兰44相互固定在一起。其固定方式可以是螺栓或者焊接。
在另一实施例中，如图7-9，引射式燃烧装置210包括在竖直方向上叠置的两个燃烧器组件228。每一防护罩部件230为一矩形框236，矩形框236的四个侧壁都安装文丘里燃烧 器218。两个防护罩部件230堆叠形成完整的防护罩212。
该实施例中的矩形框236可以由四个平板252焊接而成。该矩形框236的上下缘可设有法兰244以相互固定，或者在叠置后，通过焊接固定在一起。
在一未示出的实施例中，每一燃烧器组件的防护罩部件包括一平板，将若干所述燃烧器组件相互固定在一起的步骤包括在竖直方向上将部分燃烧器组件的平板固定在一起以及在环绕所述竖直方向的周向上将部分燃烧器组件的平板固定在一起，使得若干所述燃烧器组件的平板相互连接形成所述防护罩。每一平板的边缘具有垂直延伸的法兰，所述组装方法包括利用法兰将平板相互连接。
在一些实施例中，这些供气管路利用管夹固定在所述外框上。供气管路的具体结构请参考前面的实施例，在此不再赘述。
在以上实施例中，本申请尝试利用减小单个文丘里燃烧器的尺寸及功率，增加文丘里燃烧器的数量来降低噪音。由于本申请是将安装孔设置在防护罩侧壁或壁筒，或者说文丘里燃烧器贯穿防护罩侧壁安装，因此可以在防护罩的较大的高度范围内设置文丘里燃烧器，从而可以获得密度更高，数量更多的文丘里燃烧器安装方式。不同于现有技术技术中文丘里燃烧器基本竖直安装(有的稍微倾斜)，本申请的一些实施例将文丘里燃烧器水平安装并稍微有一个向上的倾角，可以获得显著增加的文丘里燃烧器数量。在一些实施例中，所述安装孔或文丘里燃烧器的数量大于500。在另一些实施例中，所述安装孔或文丘里燃烧器的数量大于1000。以上实施例是以分段或分块的防护罩举例进行描述，应当理解的是，本申请将燃烧器穿过防护罩侧壁的方案也可以应用在整体式的防护罩上。
综上所述，本申请提供一种引射式燃烧装置及其燃烧器组件、防护罩和组装方法。本申请在防护罩上开设若干安装孔，若干文丘里燃烧器穿过这些安装孔，其产生火焰的头部位于防护罩的火焰腔内，而引射空气的进气部位于防护罩之外。这种设计，使得可以在更大范围内引射空气，一方面可以显著增加燃烧器的数量，而不至于每个燃烧器的空气引射量不足。另一方面，在防护罩外围，由于文丘里燃烧器的引射作用，除了一部分外围空气被引射进文丘里燃烧器内参与燃烧，还会导致大量外围冷空气向防护罩移动，对防护罩本身进行散热。本申请的上述实施例中，文丘里燃烧器数量显著增加，对于处理同样数量的燃气，单个文丘里燃烧器的尺寸和功率可以显著减小，从而显著减小噪音及火焰高度。
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 (16)

  1. 一种引射式燃烧装置，包括防护罩和燃烧系统，所述燃烧系统包括若干文丘里燃烧器，每一文丘里燃烧器具有引射空气的进气部和产生火焰的头部，所述防护罩的内侧形成一用于包围火焰的火焰腔，其特征在于，若干所述文丘里燃烧器穿过所述防护罩的壁部并支撑在所述防护罩的壁部上，使得所述文丘里燃烧器的头部位于所述火焰腔，而所述文丘里燃烧器的进气部位于所述防护罩外侧。
  2. 如权利要求1所述的引射式燃烧装置，其特征在于：所述防护罩呈矩形，具有上、下开口，若干所述文丘里燃烧器设置在所述矩形的防护罩的两相对侧壁，所述两相对侧壁上的文丘里燃烧器相对喷射火焰。
  3. 如权利要求1所述的引射式燃烧装置，其特征在于：所述防护罩呈矩形，具有上、下开口，若干所述文丘里燃烧器设置在所述矩形的防护罩的所有四个侧壁，其中两相对侧壁上的文丘里燃烧器相对喷射火焰，另外两相对侧壁上的文丘里燃烧器相对喷射火焰。
  4. 如权利要求1所述的引射式燃烧装置，其特征在于：所述防护罩呈矩形，具有上、下开口，所述文丘里燃烧器朝向上开口倾斜，所述文丘里燃烧器的轴线与水平方向的夹角大于0度，小于30度。
  5. 如权利要求1所述的引射式燃烧装置，其特征在于：所述防护罩呈矩形，具有上、下开口，所述防护罩包括竖直方向堆叠的若干防护罩部件，每个防护罩部件包括一个或多个相邻的防护罩单元，所述防护罩单元的两相对壁部上设有至少部分所述文丘里燃烧器，所述防护罩单元的两相对壁部上的文丘里燃烧器同时供气或同时切断供气。
  6. 如权利要求1所述的引射式燃烧装置，其特征在于：所述防护罩呈矩形，具有上、下开口，所述防护罩包括竖直方向堆叠的若干防护罩部件，每个防护罩部件呈矩形，所述防护罩单元的所有四个侧壁上设有至少部分所述文丘里燃烧器，所述防护罩单元的四个侧壁上的文丘里燃烧器同时供气或同时切断供气，所述四个侧壁上的每个侧壁上的文丘里燃烧器在竖直方向上排列成若干间隔的横排。
  7. 如权利要求1-6任意一项所述的引射式燃烧装置，其特征在于：所述文丘里燃烧器的数量大于500。
  8. 一种引射式燃烧装置的燃烧器组件，其特征在于，所述燃烧器组件包括：
    防护罩部件，所述防护罩部件为所述引射式燃烧装置的防护罩的一部分，所述防护罩部件的壁部开设若干安装孔；
    若干文丘里燃烧器，每一文丘里燃烧器包括引射空气的进气部和产生火焰的头部，若干所述文丘里燃烧器固定在若干所述安装孔内，使每一文丘里燃烧器的进气部和头部分别位于所述防护罩部件的壁部的两侧；以及
    供气管路，所述供气管路与若干所述文丘里燃烧器连通以为若干所述文丘里燃烧器供应燃气。
  9. 如权利要求8所述的引射式燃烧装置的燃烧器组件，其特征在于：所述防护罩部件包括一矩形框，所述矩形框包括两个相对的第一侧壁和两个相对的第二侧壁，所述两个第一侧壁和两个第二侧壁相互连接构成矩形，所述防护罩部件的矩形框包括一个或多个在竖直方向上相邻的防护罩单元，每一防护罩单元的上缘和下缘设有与所述第一侧壁和第二侧壁垂直的法兰，相邻的防护罩单元利用所述法兰相互固定在一起，至少部分所述安装孔开设在每一防护罩单元的两个第一侧壁和/或两个第二侧壁上，至少部分所述文丘里燃烧器安装在每一防护罩单元的安装孔内。
  10. 如权利要求8所述的引射式燃烧装置的燃烧器组件，其特征在于：所述防护罩部件包括一矩形框，所述矩形框的所有四个侧壁都开设有安装孔，至少部分所述文丘里燃烧器安装在所有四个侧壁的安装孔中，所述四个侧壁上的安装孔为在水平方向上延伸的长条形安装孔，若干个文丘里燃烧器安装在同一个长条形安装孔中，若干所述长条形的安装孔在竖直方向上间隔开，安装在同一个长条形安装孔内的若干文丘里燃烧器相互连接构成一个燃烧器组，整体地安装在所述长条形安装孔内。
  11. 如权利要求8所述的引射式燃烧装置的燃烧器组件，其特征在于：所述供气管路包括输气管和分配管，所述输气管用于与一燃气处理单元的一路输出连通，用于接收待燃烧的燃气，所述分配管有多支，每支分配管与所述输气管连通并同时与部分文丘里燃烧器连通，以向所述部分文丘里燃烧器分配燃气，所述文丘里燃烧器在竖直方向上排列成若干横排，所述输气管与分配管连接的一段竖直设置，而所述多支分配管水平排列，每支分配管为其中一横排的文丘里燃烧器供气，所述输气管与分配管连接的那一段位于分配管的中间位置，所述多支分配管的末端利用连通管相互连通。
  12. 一种引射式燃烧装置的防护罩，所述引射式燃烧装置利用若干文丘里燃烧器燃烧待处理的燃气，所述防护罩内形成用于包围火焰的火焰腔，其特征在于，所述防护罩具有侧壁，所述侧壁周向闭合形成具有上下开口的筒体，所述侧壁贯穿设有若干用于安装所述文丘里燃烧器的安装孔，所述安装孔设置成，当所述文丘里管安装在所述安装孔时，所述文丘里管用于产生火焰的头部位于所述火焰腔内，而所述文丘里管用于引射空气的进气部位于所述防护罩外部。
  13. 如权利要求12所述的引射式燃烧装置的防护罩，其特征在于：所述防护罩包括若干独立且相互拼接在一起的防护罩部件，所述防护罩部件的壁部开设若干所述安装孔，若干所述防护罩部件在竖直方向上堆叠，每一防护罩部件包括一矩形框，所述矩形框包括两个相对的第一侧壁和两个相对的第二侧壁，所述两个第一侧壁和两个第二侧壁相互连接构成矩形，所有防护罩部件的两个第一侧壁堆叠后形成所述防护罩的两个第一侧壁，所有防护罩部件的两个第二侧壁堆叠后形成所述防护罩的两个第二侧壁，每一防护罩部件的矩形框包括一个或多个在竖直方向上相邻的防护罩单元，每一防护罩单元的上缘和下缘设有与所述第一侧壁和第二侧壁垂直的法兰，相邻的防护罩单元利用所述法兰相互固定在一起。
  14. 如权利要求2所述的引射式燃烧装置的防护罩，其特征在于：所述防护罩包括若干独立且相互拼接在一起的防护罩部件，所述防护罩部件的壁部开设若干所述安装孔，若干所述防护罩部件在竖直方向上堆叠，每一防护罩部件包括一矩形框，所述矩形框包括四个侧壁，所述四个侧壁上都设有所述安装孔，每一侧壁上的安装孔在竖直方向上排列成若干间隔的横排，若干所述防护罩部件在竖直方向上堆叠，每一防护罩部件包括一矩形框，所述矩形框包括四个侧壁，所述四个侧壁上都设有若干所述安装孔，每一安装孔为在水平方向上延伸的长条形安装孔，用于同时安装若干个文丘里燃烧器，若干所述长条形的安装孔在竖直方向上间隔开。
  15. 一种引射式燃烧装置的组装方法，所述引射式燃烧装置包括外框，其特征在于，所述组装方法包括：
    将若干燃烧器组件放置在所述外框内，并将若干所述燃烧器组件相互固定在一起，其中每一燃烧器组件包括防护罩部件、支撑在所述防护罩部件上的若干文丘里燃烧器以及与若干所述文丘里燃烧器连通的供气管路，每一燃烧器组件的防护罩部件、文丘里燃烧器和供气管路在放置在所述外框内之前已经安装在一起，当若干所述燃烧器组件相互固定在一起后，若干所述燃烧器组件的防护罩部件共同形成所述引射式燃烧装置的防护罩，其中每一文丘里燃烧器包括引射空气的进气部和产生火焰的头部，每一文丘里燃烧器穿过对应的防护罩部件的壁部，使得每一文丘里燃烧器的进气部和头部分别位于所述防护罩部件的壁部的两侧；以及
    将每一燃烧器组件的防护罩部件固定至所述外框；
  16. 如权利要求15所述的引射式燃烧装置的组装方法，其特征在于：每一燃烧器组件的防护罩部件包括一矩形框，每一矩形框包括两个相对的第一侧壁和两个相对的第二侧壁，所述两个第一侧壁和两个第二侧壁相互连接构成矩形，所述组装方法包括在竖直方向上堆叠若干所述燃烧器组件，使得若干所述燃烧器组件的的防护罩部件堆叠在一起以使形成的所述防护罩呈矩形；每一防护罩部件的矩形框包括一个或多个在竖直方向上相邻的防护罩单元；每 一防护罩单元的上缘和下缘设有与所述第一侧壁和第二侧壁垂直的法兰，相邻的防护罩单元利用所述法兰相互固定在一起；每个防护罩部件设有与所述外框固定的固定件，所述外框上凸伸出一安装架，所述防护罩部件上的固定件从其法兰延伸出，该固定件与该安装架固定；所述固定件设置在防护罩部件的最上缘的四个角落位置。
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