WO2017092048A1 - Venturi burner with shock absorption capacity - Google Patents

Venturi burner with shock absorption capacity Download PDF

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Publication number
WO2017092048A1
WO2017092048A1 PCT/CN2015/096478 CN2015096478W WO2017092048A1 WO 2017092048 A1 WO2017092048 A1 WO 2017092048A1 CN 2015096478 W CN2015096478 W CN 2015096478W WO 2017092048 A1 WO2017092048 A1 WO 2017092048A1
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WO
WIPO (PCT)
Prior art keywords
venturi
support
thin plate
burner
nozzle mounting
Prior art date
Application number
PCT/CN2015/096478
Other languages
French (fr)
Chinese (zh)
Inventor
王培聪
梁伟佳
甘镜荣
Original Assignee
深圳智慧能源技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
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/CN2015/096478 priority Critical patent/WO2017092048A1/en
Publication of WO2017092048A1 publication Critical patent/WO2017092048A1/en

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23DBURNERS
    • F23D14/00Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • F23D14/46Details, e.g. noise reduction means

Definitions

  • the present invention relates to a venturi burner, and more particularly to a venturi burner having shock absorbing 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.
  • Normal and safe operation During the combustion process, the burner will vibrate due to the large changes in airflow and air pressure inside and outside the torch. When the vibration is large and the frequency is low, resonance may occur, which may cause the connection between the support portion and the venturi tube or the nozzle to break, which causes great safety hazard.
  • the present invention proposes a venturi burner having shock absorbing capability.
  • a venturi burner having shock absorbing capability includes a venturi, a nozzle mounting portion, and a support portion connecting the venturi and the nozzle mounting portion, the support portion being a thin plate structure.
  • the sheet structure has a uniform thickness.
  • the support portion is a thin plate structure having an arc shape.
  • the support portion is a thin plate structure having an elliptical shape.
  • the support portion includes a first connecting portion connected to the nozzle mounting portion, a second connecting portion connected to a bottom of the venturi, and a first connecting portion and a first connecting portion a support plate between the two connecting portions, the support plate having a thickness smaller than a thickness of the first connecting portion and the second connecting portion.
  • the present invention provides a venturi burner having shock absorbing capability.
  • the nozzle mounting portion of the venturi burner of the present invention and the venturi tube are connected by a thin plate structure to increase the flexibility of the support. Since the equivalent diameter of the thin plate support is small, a part of the lower frequency vibration can be absorbed, and the shock absorbing capability is obtained;
  • the thin plate-like structural support allows the burner to be slightly oscillated along the normal of the sheet, and such a sheet support structure can tolerate a certain amount of deformation when the overall structure of the burner is deformed by heat.
  • Figure 1 is a perspective view showing the structure of a venturi burner of the present invention.
  • Fig. 2 is an enlarged schematic view showing the bottom of a venturi burner according to an embodiment of the present invention.
  • Fig. 2 is an enlarged schematic view showing the bottom of a venturi burner according to another embodiment of the present invention.
  • Figure 3 is an enlarged bottom plan view of a venturi burner in accordance with another embodiment of the present invention.
  • the invention provides a venturi burner with shock absorbing capability, which adopts a thin plate structure connection between a venturi pipe and a nozzle mounting portion, increases the flexibility of the thin plate structural support, and reduces the equivalent diameter of the thin plate structural support, so that the venturi The burner has a certain shock absorption capacity.
  • the present invention provides the following three thin plate structures:
  • FIG. 1 is a perspective view showing the structure of a venturi burner according to an embodiment of the present invention.
  • the venturi burner includes a venturi 10, a nozzle mounting portion 12, and a venturi 10 and a nozzle mounting portion 12.
  • Support portion 14 14.
  • the support portion 14 is formed in a square shape and has a uniform thickness, and the support portion 14 is integrally molded with the venturi tube 10 and the nozzle mounting portion 12.
  • the support portion 14 in this embodiment is an elliptical thin plate structure having a uniform thickness, and the support portion 14 is integrally molded with the venturi tube 10 and the nozzle mounting portion 12.
  • the support portion 14 can also have other curved shapes.
  • the support portion 14 includes a first connecting portion 16 connected to the nozzle mounting portion 12, a second connecting portion 18 connected to the bottom of the venturi 10, and a first connecting portion 16 and a second connecting portion.
  • the support plate 20 between the portions 18, the support portion 14 and the venturi tube 10 and the nozzle mounting portion 12 are integrally cast.
  • the thickness of the support plate 20 is smaller than the thickness of the first connecting portion 16 and the second connecting portion 18.
  • the three thin plate structures which are square in shape and have an elliptical shape and are thick at both ends and thin in the middle, can reduce the vibration of the burner to some extent.
  • the square thin plate structure mainly utilizes the thin structure of the thin plate structure, and increases the flexibility of the support, so that the equivalent diameter of the support of the thin plate is small, the vibration of the absorption part is low frequency, and the shock absorption capability is obtained; While the thin plate structure has the characteristics of shock absorption, the curved features of the thin plate can also reduce the stress concentration of the thin plate structure, prevent the thin plate structure from being broken due to excessive stress concentration; the thin plate with thick ends and thin intermediate plates at both ends The structure provides shock absorbing capability, and increasing the thickness of both ends also strengthens the connection of the support portion to the venturi and the nozzle mounting portion.
  • the present invention provides a venturi burner having shock absorbing capability.
  • the nozzle mounting portion of the venturi burner of the present invention and the venturi tube are connected by a thin plate structure to increase the flexibility of the support. Since the equivalent diameter of the thin plate support is small, a part of the lower frequency vibration can be absorbed, and the shock absorbing capability is obtained;
  • the thin plate-like structural support allows the burner to be slightly oscillated along the normal of the sheet, and such a sheet support structure can tolerate a certain amount of deformation when the overall structure of the burner is deformed by heat.

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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

Disclosed is a Venturi burner with shock absorption capacity, comprising a Venturi tube (10), a nozzle mounting part (12) and a support part (14) connecting the Venturi tube (10) and the nozzle mounting part (12), wherein the support part (14) is a thin plate structure. The connection via the thin plate structure can increase the flexibility of the support and absorb a part of the vibration at lower frequencies, and thus has a damping capacity. In addition, when the whole structure of the burner is deformed due to heat, the thin plate support structure can allow a certain amount of deformation tolerance.

Description

具有吸震能力的文丘里燃烧器  Venturi burner with shock absorption capability 技术领域Technical field
本发明涉及一种文丘里燃烧器,特别涉及一种具有吸震能力的文丘里燃烧器。 The present invention relates to a venturi burner, and more particularly to a venturi burner having shock absorbing capability.
背景技术Background technique
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。燃烧器在燃烧过程中,由于火炬内外气流、气压变化较大,会造成燃烧器的震动。当震动较大、频率较低时,可能产生共振,进而造成支撑部与文丘里管或喷嘴的连接处发生断裂,造成极大的安全隐患。 In the petrochemical plant, 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. Normal and safe operation. During the combustion process, the burner will vibrate due to the large changes in airflow and air pressure inside and outside the torch. When the vibration is large and the frequency is low, resonance may occur, which may cause the connection between the support portion and the venturi tube or the nozzle to break, which causes great safety hazard.
技术问题technical problem
有鉴于此,本发明提出一种具有吸震能力的文丘里燃烧器。In view of this, the present invention proposes a venturi burner having shock absorbing capability.
技术解决方案Technical solution
一种具有吸震能力的文丘里燃烧器,包括文丘里管、喷嘴安装部以及连接所述文丘里管与所述喷嘴安装部的支撑部,所述支撑部为薄板结构。A venturi burner having shock absorbing capability includes a venturi, a nozzle mounting portion, and a support portion connecting the venturi and the nozzle mounting portion, the support portion being a thin plate structure.
在一实施例中,所述薄板结构具有均匀的厚度。 In an embodiment, the sheet structure has a uniform thickness.
在一实施例中,所述支撑部为呈弧形的薄板结构。In an embodiment, the support portion is a thin plate structure having an arc shape.
在一实施例中,所述支撑部为呈椭圆形的薄板结构。In an embodiment, the support portion is a thin plate structure having an elliptical shape.
在一实施例中,所述支撑部包括与所述喷嘴安装部连接的第一连接部,与所述文丘里管的底部连接的第二连接部,以及连接于所述第一连接部和第二连接部之间的支撑板,所述支撑板的厚度小于所述第一连接部和第二连接部的厚度。In an embodiment, the support portion includes a first connecting portion connected to the nozzle mounting portion, a second connecting portion connected to a bottom of the venturi, and a first connecting portion and a first connecting portion a support plate between the two connecting portions, the support plate having a thickness smaller than a thickness of the first connecting portion and the second connecting portion.
有益效果Beneficial effect
综上所述,本发明提供一种具有吸震能力的文丘里燃烧器。本发明的文丘里燃烧器的喷嘴安装部与文丘里管之间采用薄板结构连接,增加支撑的柔性,由于薄板支承处当量直径较小,可以吸收部分较低频率的震动,具有减震能力;薄板状结构支撑使得燃烧器可以沿薄板法向轻微摆动,且当燃烧器整体结构受热发生变形时,这种薄板支撑结构可以容许一定的形变余量。 In summary, the present invention provides a venturi burner having shock absorbing capability. The nozzle mounting portion of the venturi burner of the present invention and the venturi tube are connected by a thin plate structure to increase the flexibility of the support. Since the equivalent diameter of the thin plate support is small, a part of the lower frequency vibration can be absorbed, and the shock absorbing capability is obtained; The thin plate-like structural support allows the burner to be slightly oscillated along the normal of the sheet, and such a sheet support structure can tolerate a certain amount of deformation when the overall structure of the burner is deformed by heat.
附图说明DRAWINGS
图1是本发明文丘里燃烧器的立体结构示意图。BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is a perspective view showing the structure of a venturi burner of the present invention.
图2是本发明一实施例的文丘里燃烧器的底部放大示意图。Fig. 2 is an enlarged schematic view showing the bottom of a venturi burner according to an embodiment of the present invention.
图2是本发明另一实施例的文丘里燃烧器的底部放大示意图。Fig. 2 is an enlarged schematic view showing the bottom of a venturi burner according to another embodiment of the present invention.
图3是本发明另一实施例的文丘里燃烧器的底部放大示意图。Figure 3 is an enlarged bottom plan view of a venturi burner in accordance with another embodiment of the present invention.
本发明的实施方式Embodiments of the invention
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。Before the embodiments are described in detail, it is understood that the invention is not limited to the details The invention may be embodied in other ways. Also, it will be understood that the phraseology and terminology used herein are for the purpose of description The words "including", "comprising", "having", and <RTIgt; </ RTI> <RTIgt; </ RTI> used herein are meant to include the items listed thereafter, their equivalents, and other additional items. In particular, when describing "a certain element", the invention does not limit the number of the elements to one, and may include a plurality.
本发明提供一种具有吸震能力的文丘里燃烧器,通过在文丘里管与喷嘴安装部之间采用薄板结构连接,增加薄板结构支撑的柔性,减小薄板结构支承处的当量直径,使得文丘里燃烧器具有一定的吸震能力。本发明提供以下三种薄板结构:The invention provides a venturi burner with shock absorbing capability, which adopts a thin plate structure connection between a venturi pipe and a nozzle mounting portion, increases the flexibility of the thin plate structural support, and reduces the equivalent diameter of the thin plate structural support, so that the venturi The burner has a certain shock absorption capacity. The present invention provides the following three thin plate structures:
图1是本发明一实施例的文丘里燃烧器的立体结构示意图,如图1所示,该文丘里燃烧器包括文丘里管10、喷嘴安装部12以及连接文丘里管10与喷嘴安装部12的支撑部14。1 is a perspective view showing the structure of a venturi burner according to an embodiment of the present invention. As shown in FIG. 1, the venturi burner includes a venturi 10, a nozzle mounting portion 12, and a venturi 10 and a nozzle mounting portion 12. Support portion 14.
在如图2所示的实施例中,支撑部14采用呈方形且具有均匀厚度的薄板结构,支撑部14与文丘里管10和喷嘴安装部12为一体铸造成型。In the embodiment shown in FIG. 2, the support portion 14 is formed in a square shape and has a uniform thickness, and the support portion 14 is integrally molded with the venturi tube 10 and the nozzle mounting portion 12.
如图3所示,本实施例中的支撑部14为呈椭圆形的具有均匀厚度的薄板结构,支撑部14与文丘里管10和喷嘴安装部12为一体铸造成型。当然,支撑部14也可以呈其它弧形。As shown in FIG. 3, the support portion 14 in this embodiment is an elliptical thin plate structure having a uniform thickness, and the support portion 14 is integrally molded with the venturi tube 10 and the nozzle mounting portion 12. Of course, the support portion 14 can also have other curved shapes.
如图4所示,支撑部14包括与喷嘴安装部12连接的第一连接部16,与文丘里管10的底部连接的第二连接部18,以及连接于第一连接部16和第二连接部18之间的支撑板20,支撑部14与文丘里管10和喷嘴安装部12为一体铸造成型。其中,支撑板20的厚度小于第一连接部16和第二连接部18的厚度。As shown in FIG. 4, the support portion 14 includes a first connecting portion 16 connected to the nozzle mounting portion 12, a second connecting portion 18 connected to the bottom of the venturi 10, and a first connecting portion 16 and a second connecting portion. The support plate 20 between the portions 18, the support portion 14 and the venturi tube 10 and the nozzle mounting portion 12 are integrally cast. The thickness of the support plate 20 is smaller than the thickness of the first connecting portion 16 and the second connecting portion 18.
上述呈方形,呈椭圆形及两端厚、中间薄的三种薄板结构均可在一定程度上减小燃烧器的震动。具体而言,呈方形的薄板结构主要利用其薄板结构薄的特点,增加了支撑的柔性,使得薄板支承处的当量直径较小,吸收部分较低频率的震动,具有减震能力;呈椭圆形的薄板结构在具有减震特点的同时,其薄板的弧形特征还可降低薄板结构的应力集中,防止薄板结构因应力过于集中而发生断裂;两端厚、中间薄的薄板结构其中间的薄板结构使其具有吸震能力,增加两端的厚度也使得支撑部与文丘里管和喷嘴安装部的连接得以加固。The three thin plate structures, which are square in shape and have an elliptical shape and are thick at both ends and thin in the middle, can reduce the vibration of the burner to some extent. Specifically, the square thin plate structure mainly utilizes the thin structure of the thin plate structure, and increases the flexibility of the support, so that the equivalent diameter of the support of the thin plate is small, the vibration of the absorption part is low frequency, and the shock absorption capability is obtained; While the thin plate structure has the characteristics of shock absorption, the curved features of the thin plate can also reduce the stress concentration of the thin plate structure, prevent the thin plate structure from being broken due to excessive stress concentration; the thin plate with thick ends and thin intermediate plates at both ends The structure provides shock absorbing capability, and increasing the thickness of both ends also strengthens the connection of the support portion to the venturi and the nozzle mounting portion.
综上所述,本发明提供一种具有吸震能力的文丘里燃烧器。本发明的文丘里燃烧器的喷嘴安装部与文丘里管之间采用薄板结构连接,增加支撑的柔性,由于薄板支承处当量直径较小,可以吸收部分较低频率的震动,具有减震能力;薄板状结构支撑使得燃烧器可以沿薄板法向轻微摆动,且当燃烧器整体结构受热发生变形时,这种薄板支撑结构可以容许一定的形变余量。In summary, the present invention provides a venturi burner having shock absorbing capability. The nozzle mounting portion of the venturi burner of the present invention and the venturi tube are connected by a thin plate structure to increase the flexibility of the support. Since the equivalent diameter of the thin plate support is small, a part of the lower frequency vibration can be absorbed, and the shock absorbing capability is obtained; The thin plate-like structural support allows the burner to be slightly oscillated along the normal of the sheet, and such a sheet support structure can tolerate a certain amount of deformation when the overall structure of the burner is deformed by heat.
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。The concepts described herein may be embodied in other forms without departing from the spirit and scope. The specific embodiments disclosed are to be considered as illustrative and not restrictive. Therefore, the scope of the invention is to be determined by the appended claims Any changes which come within the meaning and range of the claims are intended to be within the scope of the claims.

Claims (5)

  1. 一种具有吸震能力的文丘里燃烧器,包括文丘里管、喷嘴安装部以及连接所述文丘里管与所述喷嘴安装部的支撑部,其特征在于,所述支撑部为薄板结构。 A venturi burner having shock absorbing capability includes a venturi, a nozzle mounting portion, and a support portion connecting the venturi and the nozzle mounting portion, wherein the support portion is a thin plate structure.
  2. 如权利要求1所述的具有吸震能力的文丘里燃烧器,其特征在于,所述薄板结构具有均匀的厚度。A venturi burner having shock absorbing capability according to claim 1, wherein said sheet structure has a uniform thickness.
  3. 如权利要求1所述的具有吸震能力的文丘里燃烧器,其特征在于,所述支撑部为呈弧形的薄板结构。A venturi burner having shock absorbing capability according to claim 1, wherein said support portion is a thin plate structure having an arc shape.
  4. 如权利要求1所述的具有吸震能力的文丘里燃烧器,其特征在于,所述支撑部为呈椭圆形的薄板结构。A venturi burner having shock absorbing capability according to claim 1, wherein said support portion is an elliptical thin plate structure.
  5. 如权利要求1所述的具有吸震能力的文丘里燃烧器,其特征在于,所述支撑部包括与所述喷嘴安装部连接的第一连接部,与所述文丘里管的底部连接的第二连接部,以及连接于所述第一连接部和第二连接部之间的支撑板,所述支撑板的厚度小于所述第一连接部和第二连接部的厚度。A venturi burner having shock absorbing capability according to claim 1, wherein said support portion includes a first connecting portion connected to said nozzle mounting portion, and a second connecting portion to a bottom portion of said venturi tube a connecting portion, and a support plate connected between the first connecting portion and the second connecting portion, the support plate having a thickness smaller than a thickness of the first connecting portion and the second connecting portion.
PCT/CN2015/096478 2015-12-04 2015-12-04 Venturi burner with shock absorption capacity WO2017092048A1 (en)

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB545333A (en) * 1940-12-20 1942-05-20 Turley & Williams Ltd Improvements in or relating to gas burners
GB1502104A (en) * 1975-08-12 1978-02-22 Trapp C Gas burners
JPS57175810A (en) * 1981-04-22 1982-10-28 Nippon Sharyo Seizo Kaisha Ltd Method and apparatus for heating
CN104764010A (en) * 2015-04-01 2015-07-08 深圳智慧能源技术有限公司 Venturi burner capable of reinforcing gas flow mixing
CN104791788A (en) * 2015-04-01 2015-07-22 深圳智慧能源技术有限公司 Efficient Venturi combustor
CN105485686A (en) * 2015-12-04 2016-04-13 深圳智慧能源技术有限公司 Venturi burner with shock absorption capacity
CN205191581U (en) * 2015-12-04 2016-04-27 深圳智慧能源技术有限公司 Venturi combustor with damping capaicty

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB545333A (en) * 1940-12-20 1942-05-20 Turley & Williams Ltd Improvements in or relating to gas burners
GB1502104A (en) * 1975-08-12 1978-02-22 Trapp C Gas burners
JPS57175810A (en) * 1981-04-22 1982-10-28 Nippon Sharyo Seizo Kaisha Ltd Method and apparatus for heating
CN104764010A (en) * 2015-04-01 2015-07-08 深圳智慧能源技术有限公司 Venturi burner capable of reinforcing gas flow mixing
CN104791788A (en) * 2015-04-01 2015-07-22 深圳智慧能源技术有限公司 Efficient Venturi combustor
CN105485686A (en) * 2015-12-04 2016-04-13 深圳智慧能源技术有限公司 Venturi burner with shock absorption capacity
CN205191581U (en) * 2015-12-04 2016-04-27 深圳智慧能源技术有限公司 Venturi combustor with damping capaicty

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