CN200949829Y - Feed inlet structure for biological energy fuel boiler - Google Patents

Feed inlet structure for biological energy fuel boiler Download PDF

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Publication number
CN200949829Y
CN200949829Y CN 200620046286 CN200620046286U CN200949829Y CN 200949829 Y CN200949829 Y CN 200949829Y CN 200620046286 CN200620046286 CN 200620046286 CN 200620046286 U CN200620046286 U CN 200620046286U CN 200949829 Y CN200949829 Y CN 200949829Y
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Prior art keywords
structure
fuel
material
adjusting
air duct
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CN 200620046286
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Chinese (zh)
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白兆兴
曹建峰
陈红娟
吴晓云
吴元琦
苏薇琳
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上海四方锅炉厂
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Abstract

A material induction structure for the biomass energy fuel furnace comprises an upper part, a lower part and an adjusting mechanism, wherein, the upper part is an inclined-type fuel induction structure, which comprises a fuel induction tube that is arranged in a designated angle to the furnace hearth and a bursting part that is extent outward at the outer side below the fuel induction tube; the lower part is of a secondary wind pipe structure, which comprises a secondary wind pipe and a plurality of wind blowing tube that are fixedly arranged on the secondary wind pipe and are inserted inside the bursting part; the adjusting mechanism comprises a cooling wind pipe that is hinged on the bursting part and below the secondary wind blowing pipes, an adjusting baffle that is fixed on the cooling wind pipe and an adjusting device that controls the rotation of the adjusting baffle. The material induction structure of the utility model sends the material in to the furnace hearth through the force of the secondary wind, makes the material be uniformly distributed on the grate along the width direction through the adjusting baffle and is capable of cooling the induction port to make the biomass energy material promptly fired and burned so as to realize the high-efficient and clean combustion of the biomass energy material.

Description

一种用于生物质能燃料锅炉的进料口结构 Feed port structure of a biomass fuel boiler for

技术领域 FIELD

本实用新型涉及一种燃生物质能燃料的锅炉,尤其指生物质能燃料锅炉的进料口结构。 The present invention relates to a biomass fuel-fired boilers, especially a biomass fuel feed port of the boiler structure.

背景技术 Background technique

目前生物质能源的开发和应用已经引起了普遍关注,现有的生物质能燃料的燃烧技术主要有两大类:一类是采用循环流化床形式,将生物质能燃料与煤混烧,比例在20%左右,难以实现灰渣的综合利用;另一类是采用水冷往复炉排层燃方式,整套系统造价高。 At present the development and application of biomass energy has caused widespread concern, existing biomass fuel combustion technology are two major categories: one is the use of circulating fluidized bed, the biomass fuel and coal burning, ratio of about 20%, ash utilization is difficult to achieve; another way is to use a water-cooled combustion grate reciprocating layer, high cost of the entire system.

为了克服上述缺陷,本申请人在专利申请号为200610029424.6、实用新型名称为“一种生物质能燃料锅炉及其燃烧方法”中公开了生物质能燃料锅炉,但是如何优化该锅炉中进料口结构,使之有助于保证生物质能燃料的及时着火和燃烬,并实现生物质能燃料的高效清洁燃烧,一直是本申请人研究的内容之一。 In order to overcome the above drawbacks, the present applicant in Patent Application No. 200610029424.6, entitled invention "an biomass fuel boiler and a combustion method" discloses a biomass fuel boiler, but how to optimize the boiler inlet structure, so as to help ensure timely ignition and burnout of the biomass fuel, clean and efficient combustion of biomass fuel, the present applicant has been one study.

发明内容 SUMMARY

本实用新型的目的在于提供一种用于生物质能燃料锅炉的进料口结构,使之能够确保该锅炉的生物质能燃料的及时着火和燃烬,并实现生物质能燃料的高效清洁燃烧。 Object of the present invention is to provide a structure of a biomass feed inlet for boiler fuel, makes it possible to ensure timely ignition and burnout of the biomass fuel boiler, clean and efficient combustion of biomass fuel .

本实用新型所提供的一种用于生物质能燃料锅炉的进料口结构,设置在所述锅炉炉膛的前壁,其特征在于:所述进料口结构包括上部、下部和调节机构,其中:上部为倾斜式燃料进口结构,包括一与炉膛前壁按预定角度设置的燃料进口管和在该燃料进口管下方外侧向外拓展的一突部;下部为二次风管结构,包括一根二次风管和在该二次风管上固定设有的与其管孔相通的若干根插于所述突部中的二次风喷管;以及,调节机构,包括一枢接于所述突部且位于若干根二次风喷管下方的冷却风管、固定在该冷却风管上的调节挡板,以及一控制所述调节挡板转动的调节装置。 The present structure of a new feed port provided for a biomass fuel boiler is provided in the front wall of the boiler furnace, characterized in that: said feed port structure includes an upper, a lower and an adjustment mechanism, wherein : an upper structure is inclined fuel inlet, a fuel inlet pipe comprising a front wall provided with a furnace at a predetermined angle and a projecting portion on the outside of fuel inlet tube below the outwardly expand; the lower part of the secondary air pipe structure, comprising a secondary air pipe and the secondary air in the tube is fixed thereto with a plurality of holes communicating with the secondary air nozzle thong said projecting portion; and, the adjustment mechanism includes a pivotally connected to the projecting portion several root and secondary air nozzles located in the cooling air duct beneath, secured to the cooling duct of the deflector, and a control of the rotation of the deflector adjusting device.

在上述的用于生物质能燃料锅炉的进料口结构中,二次风管上装有控制风量的阀门。 Feed inlet for biomass fuel boiler structure described above, with the control valve on the air volume of the secondary air pipe.

在上述的用于生物质能燃料锅炉的进料口结构中,调节装置包括一在所述冷却风管上固定的手柄、一固定在倾斜式燃料进口结构突部外壳上的与所述手柄平行设置的支撑架,其中:所述支撑架上设有若干小孔和刻度盘,并用定位销将手柄固定在所述支撑架选定的小孔中。 Feed inlet for biomass fuel boiler structure described above, the adjustment means comprises a cooling duct in a fixed handle, a fixed handle in parallel with the fuel inlet inclined projecting portion of the housing structure the support frame is provided, wherein: the support frame is provided with a plurality of apertures and a dial, and a handle secured to the support frame with a selected hole in the positioning pin.

在上述的用于生物质能燃料锅炉的进料口结构中,冷却风管外端的内侧设有一衬管,并在该衬管的外端固定连接一弯头管。 Feed inlet for biomass fuel boiler structure described above, the outer end of the inner cooling duct is provided with a liner, and an outer end of the liner is fixedly connected to a pipe elbow.

由于本实用新型进料口结构采用了上述的技术解决方案,通过二次风风力将燃料送入锅炉炉膛,并通过调节挡板,使燃料在锅炉的炉排宽度方向上的分布更均匀,并可冷却进料口,使生物质能燃料及时着火和燃烬,实现生物质能燃料的高效清洁燃烧。 Since the present invention uses a feed inlet structure above technical solutions, the wind by secondary air into the boiler furnace fuel, and by adjusting the shutter, so that the fuel distribution in the width direction of the grate of the boiler is more uniform, and coolable feed port, so that biomass fuel ignition and burn out timely, efficient clean combustion of biomass fuel.

附图说明 BRIEF DESCRIPTION

通过以下对本实用新型进料口结构的一实施例结合其附图的描述,可以进一步理解本实用新型的目的、具体结构特征和优点。 The following description in conjunction with the accompanying drawings of embodiments of the invention an inlet structure by, the present invention may be further understood objects, features and advantages of the concrete structure. 其中,附图为:图1(a)是本实用新型生物质能燃料锅炉的进料口结构的主视图;图1(b)是本实用新型生物质能燃料锅炉的进料口结构的侧视(局部剖面)图;图2(a)是本实用新型中二次风管结构的主视图;图2(b)是本实用新型中二次风管结构的俯视图;图3(a)是本实用新型调节装置中的冷却风管和调节挡板的结构主视图;图3(b)是本实用新型调节装置中的冷却风管和调节挡板的结构俯视图。 Wherein, the drawings are: FIG. 1 (a) is a front view of the feed port structure of the present invention, biomass fuel boiler; FIG. 1 (b) is a side feed port structure of the present invention, biomass fuel boiler view (partial sectional view); Figure 2 (a) is a front view of the present invention, the secondary duct structure; FIG. 2 (b) is a plan view of the present invention, the secondary duct structure; FIG. 3 (a) is front view of the cooling duct of the deflector and adjusting device of the present invention; Figures 3 (b) is an adjusting device of the present invention, cooling ducts and adjusting the plan view baffle structure.

具体实施方式 detailed description

本实用新型主旨是:(1)利用风力将燃料送入炉膛;(2)通过调节,可以使燃料在炉排宽度方向上的分布更均匀;(3)冷却进料口。 The gist of the present invention are: (1) the fuel into the furnace from wind; (2) by adjusting, distribution of the fuel in the grate width direction is more uniform; (3) cooling the feed port.

如图1(a)所示,通过本实用新型进料口结构将粉碎至呈片状、颗粒状或粉状后的压制成型生物质能燃料(秸秆)送入锅炉炉膛,其设置在所述锅炉炉膛的前壁1,包括上部、下部和调节机构。 As shown in FIG 1 (a), by the present invention, the feed port structure was press-molded into pulverized biomass fuel (straw) after the sheet-like, granular or powdered into the boiler furnace, which is provided in the the front wall of the boiler furnace 1, includes an upper portion, a lower portion and an adjustment mechanism. 调节机构用于控制燃料进入炉膛时的角度。 Angle adjusting mechanism for controlling the fuel into the furnace.

上部为倾斜式燃料进口结构,包括一与炉膛前壁1按预定角度设置的燃料进口管2和在该燃料进口管2下方外侧向外拓展的一突部3。 An upper structure is inclined fuel inlet, a fuel comprising a front wall and a furnace disposed at a predetermined angle of the inlet tube 2 and a portion protruding outside of the fuel inlet tube 2 to expand outwardly 3 below.

燃料进口管2的进口的大小可根据锅炉的燃料消耗量确定。 The size of the fuel inlet pipe inlet 2 may be determined according to the fuel consumption of the boiler. 一般燃料进口管2与垂直面的夹角根据不同燃料的流动性定,以保证燃料自然下落不堵塞。 Usually the fuel inlet pipe 2 and the vertical angle of a predetermined different according to the flow of fuel to ensure that the fuel does not fall naturally blocked.

参见图2(a)~(b),下部为二次风管结构,包括一根二次风管4和在该二次风管4上固定设有的与其管孔相通的若干根插于所述突部3中的二次风喷管5。 Referring to FIG. 2 (a) ~ (b), the lower portion of the secondary duct structure, comprising a secondary air duct 4 and a plurality of the root of the secondary air pipe 4 is fixedly provided thereto is inserted in the communicating hole 3 projecting portion 5 of the secondary air nozzle.

二次风管4上装有控制风量的阀门(图中未示)。 A secondary air flow duct equipped with a control valve (not shown) on 4. 二次风的风量可通过该阀门来调节。 Secondary air flow rate can be adjusted by the valve.

如图1(a)所示,调节机构包括一枢接于所述突部3且位于若干根二次风喷管5下方的用于冷却该调节机构的冷却风管6、焊接在该冷却风管6上的调节挡板7(参见图3(a)~(b)),以及一控制所述调节挡板7转动的调节装置。 As shown in FIG 1 (a), the adjustment mechanism comprises a pivotally connected to the projecting portion 3 located below and a plurality of secondary air nozzles 5 root of the adjustment mechanism for cooling a cooling duct 6, which is welded to the cooling air adjusting the baffle plate 7 on the tube 6 (see FIG. 3 (a) ~ (b)), and a control flap adjusting the adjusting device 7 is rotated.

调节挡板7的角度可根据燃烧情况由调节装置控制进行上下转动一定角度。 7 baffle angle adjustment by the adjusting means may be controlled according to the angle the vertical combustion.

参见图1(b),调节装置包括一在所述冷却风管6上焊有手柄9、一固定在倾斜式燃料进口结构突部3外壳上的与所述手柄9平行设置的支撑架8。 Referring to FIG. 1 (b), adjusting the cooling means comprises a duct 9 is welded on the handle 6, a support frame fixed to the structure of the fuel inlet inclined projecting portion 3 of the housing 9 disposed parallel to the handle 8.

参见图1(a)~(b),支撑架8上设有若干小孔10和刻度盘11,并用定位销12将手柄9固定在所述支撑架8选定的小孔10中。 Referring to FIG. 1 (a) ~ (b), the support frame is provided with a plurality of apertures 10 and 11 on the dial 8, with the positioning pin 12 and the handle 9 is fixed to the support frame 10 8 selected wells.

冷却风管6外端的内侧设有一衬管13,并在该衬管13的外端固定连接一弯头管14。 The inner end of the cooling duct 6 is provided with an outer liner 13 and the outer end of the liner 13 is fixedly connected to a pipe elbow 14.

冷却风管6可绕衬管13转动,冷却风管6上焊有手柄9,手柄9可带动风管6一起转动。 The cooling duct 6 can be rotated around the liner 13, the cooling air duct 9 is welded on the handle 6, the handle 9 may be rotated together with the drive duct 6.

因此,锅炉运行时可根据需要转动手柄调节挡板角度以控制燃料进入炉膛的角度。 Thus, when the boiler requires rotation of the handle may be adjusted according to the angle of the baffle to control the angle of the fuel into the furnace. 当选择了合适的角度后,销用定位销将手柄固定在支撑架的合适的小孔中。 When you select the appropriate angle, with the positioning pin fixed in the handle pin holes in the support bracket.

本实用新型通过改变二次风量及调节挡板的角度以改变二次风进入炉膛的方向、速度从而改变燃料落入炉排的位置。 The present invention by varying the amount of secondary air and the adjustment of the angle of the baffles to change the direction of the secondary air into the furnace, thereby changing the speed position of the fuel falls grate. 冷却风管内通入少量冷风以冷却调节挡板,保证调节挡板不被烧坏。 The cooling duct into a small amount of cold air to adjust the cooling baffle, the baffle adjusted to ensure not be burned.

本实用新型应用于生物质能燃料锅炉,即以生物质能燃料作为燃料,符合国家可再生能源战略的一种环保节能配套产品。 The present invention is applied to biomass fuel boilers, biomass fuel that is used as a fuel, in line with an environmentally friendly energy-saving products supporting the national renewable energy strategy.

需要说明的是:以上仅用以说明而非限制本实用新型的技术方案,尽管参照上述实施例对本实用新型进行了详细说明,本领域的普通技术人员应当理解:依然可以对本实用新型进行修改或者等同替换,而不脱离本实用新型的精神和范围的任何修改或局部替换,其均应涵盖在本实用新型的权利要求范围当中。 Note that: the above are intended to illustrate and not limit the present invention the technical solution, although the present invention has been described in detail with reference to the embodiments described above, those of ordinary skill in the art should be understood: still can be modified according to the present invention is carried out or equivalents, without departing from the partial replacement or any modification of the present invention, the spirit and scope of which shall be encompassed by the present invention which scope of the claims.

Claims (4)

  1. 1.一种用于生物质能燃料锅炉的进料口结构,设置在所述锅炉炉膛的前壁(1),其特征在于:所述进料口结构包括上部、下部和调节机构,其中:上部为倾斜式燃料进口结构,包括一与炉膛前壁(1)按预定角度设置的燃料进口管(2)和在该燃料进口管(2)下方外侧向外拓展的一突部(3);下部为二次风管结构,包括一根二次风管(4)和在该二次风管(4)上固定设有的与其管孔相通的若干根插于所述突部(3)中的二次风喷管(5);以及,调节机构,包括一枢接于所述突部(3)且位于若干根二次风喷管(5)下方的冷却风管(6)、固定在该冷却风管(6)上的调节挡板(7),以及一控制所述调节挡板(7)转动的调节装置。 An inlet structure for a biomass fuel boiler, provided in the front wall of the boiler furnace (1), characterized in that: said feed port structure includes an upper, a lower and an adjustment mechanism, wherein: inclined upper portion of the fuel inlet structure, comprising a front wall with the furnace (1) of the fuel inlet pipe disposed at a predetermined angle (2) and a projecting portion on the outer side (2) below the fuel inlet tube to expand outwardly (3); a lower portion of the secondary duct structure, comprising a secondary air duct (4) and on the secondary air duct (4) fixed thereto is provided with a plurality of communication holes in the thong projecting portion (3) secondary air nozzle (5); and, the adjustment mechanism includes a pivotally connected to the projecting portion (3) and the secondary air nozzles located in several root (5) below the cooling air duct (6), fixed to the adjusting baffle cooling air duct (6) (7), a control and adjustment of the baffle plate (7) rotatable adjusting means.
  2. 2.根据权利要求1所述的用于生物质能燃料锅炉的进料口结构,其特征在于:所述的二次风管(4)上装有控制风量的阀门。 The inlet structure for a biomass fuel boiler according to claim 1, wherein: said secondary air duct (4) is provided with a control valve on the air flow.
  3. 3.根据权利要求1所述的用于生物质能燃料锅炉的进料口结构,其特征在于:所述调节装置包括一在所述冷却风管(6)上固定的手柄(9)、一固定在倾斜式燃料进口结构突部(3)外壳上的与所述手柄(9)平行设置的支撑架(8),其中:所述支撑架(8)上设有若干小孔(10)和刻度盘(11),并用定位销(12)将手柄固定在所述支撑架(8)选定的小孔(10)中。 According to claim 1 for feed port biomass fuel boiler structure, wherein: said adjusting means comprises a fixed handle in the upper cooling air duct (6) (9), a support frame (8) fixed to the structure of the fuel inlet inclined projecting portion (3) with the handle (9) disposed in parallel on the housing, wherein: the support frame is provided with a plurality of apertures (10) (8) and dial (11), and a positioning pin (12) fixed to the handle in the support frame (8) of the selected orifice (10).
  4. 4.根据权利要求1或3所述的用于生物质能燃料锅炉的进料口结构,其特征在于:所述的冷却风管(6)外端的内侧设有一衬管(13),并在该衬管(13)的外端固定连接一弯头管(14)。 The inlet structure for a biomass fuel boiler of claim 1 or claim 3, wherein: said cooling air duct (6) is provided inside the outer end of a liner (13), and the outer end of the liner (13) is fixedly connected to an elbow pipe (14).
CN 200620046286 2006-09-26 2006-09-26 Feed inlet structure for biological energy fuel boiler CN200949829Y (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1945122B (en) 2006-09-26 2010-05-12 上海四方锅炉厂 Feeding inlet structure for biomass energy fuel boiler
CN102734825A (en) * 2012-06-29 2012-10-17 江苏太湖锅炉股份有限公司 Charging device for palm shells and palm fibers
CN102899092A (en) * 2012-10-31 2013-01-30 湖南人文科技学院 Feeding hopper for biomass gasification furnace
CN104180386A (en) * 2014-08-18 2014-12-03 广州迪森热能技术股份有限公司 Biomass boiler feeder

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1945122B (en) 2006-09-26 2010-05-12 上海四方锅炉厂 Feeding inlet structure for biomass energy fuel boiler
CN102734825A (en) * 2012-06-29 2012-10-17 江苏太湖锅炉股份有限公司 Charging device for palm shells and palm fibers
CN102734825B (en) * 2012-06-29 2015-07-15 江苏太湖锅炉股份有限公司 Charging device for palm shells and palm fibers
CN102899092A (en) * 2012-10-31 2013-01-30 湖南人文科技学院 Feeding hopper for biomass gasification furnace
CN104180386A (en) * 2014-08-18 2014-12-03 广州迪森热能技术股份有限公司 Biomass boiler feeder

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