CN101776261B - 粒化播洒器 - Google Patents
粒化播洒器 Download PDFInfo
- Publication number
- CN101776261B CN101776261B CN 200910260594 CN200910260594A CN101776261B CN 101776261 B CN101776261 B CN 101776261B CN 200910260594 CN200910260594 CN 200910260594 CN 200910260594 A CN200910260594 A CN 200910260594A CN 101776261 B CN101776261 B CN 101776261B
- Authority
- CN
- China
- Prior art keywords
- granulation
- sowing
- core
- urceolus
- blast pipe
- Prior art date
- Legal status (The legal status 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 status listed.)
- Active
Links
- 238000005469 granulation Methods 0.000 title claims abstract description 56
- 230000003179 granulation Effects 0.000 title claims abstract description 56
- 238000009331 sowing Methods 0.000 title claims abstract description 45
- 239000002002 slurry Substances 0.000 claims description 10
- 238000009987 spinning Methods 0.000 claims description 6
- 239000003250 coal slurry Substances 0.000 abstract description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances data:image/svg+xml;base64,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 data:image/svg+xml;base64,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 O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 3
- 238000004939 coking Methods 0.000 abstract 1
- 210000003128 Head Anatomy 0.000 description 6
- 239000008187 granular material Substances 0.000 description 4
- 210000000214 Mouth Anatomy 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N carbon Chemical compound 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Abstract
本发明公开了一种粒化播洒器，在其内筒上设置进风管，解决了由于只在所述粒化播洒器出口处粒化水煤浆，容易造成水煤浆的粒化不均匀，进而在炉膛两侧埋管和锅炉后墙底出现挂焦的现象，给机组的安全稳定运行带来很大隐患的问题。
Description
粒化播洒器
技术领域
[0001] 本发明涉及机械技术领域，更具体地说，涉及一种粒化播洒器。
背景技术
[0002] 粒化播洒器一般应用于水煤浆流化燃烧锅炉上，充分粒化水煤浆以利于煤的燃
Jyti ο
[0003] 其结构分为内外两个筒体，内外筒呈同心、同轴组装，在两个筒体轴线上装设有一个调节螺杆，其中，进浆管接在内筒上，进风管接在外筒上。其工作原理是：水煤浆和风通过所述粒化播洒器上各自的进口进入粒化播洒器，在粒化播洒器出口处，风与水煤浆充分混·合，形成颗粒状的浆粒落在炉膛床面上燃烧；为了使水煤浆颗粒喷洒面积覆盖到整个炉膛床面，粒化播洒器在出口处还设置一个可调的锥形头，通过调节锥形头的伸缩来调整粒化播洒器的扩散角，以满足水煤浆颗粒的喷洒面积。
[0004] 在实际运行中，由于粒化播洒器的可调节性差，进入进风管的风只在所述粒化播洒器出口处粒化水煤浆，容易造成水煤浆的粒化不均匀，进而在炉膛两侧埋管和锅炉后墙底出现挂焦的现象，给机组的安全稳定运行带来很大隐患。
发明内容
[0005] 有鉴于此，本发明提供一种粒化播洒器，以解决所述粒化播洒器的粒化水煤浆不均匀造成在炉膛两侧埋管和锅炉后墙底出现挂焦的现象，进而给机组的安全稳定运行带来很大隐患的问题。
[0006] 其中，粒化播洒器，包括内筒和外筒，其中：
[0007] 所述内筒上设置有与该筒相连通的第一进风管和进浆管；
[0008] 所述外筒上设置有与该筒相连通的第二进风管；
[0009] 在内筒和外筒平齐的一侧，使用三个旋流片将内筒和外筒连接支撑；
[0010] 所述内筒和外筒的轴线上安置有调节螺杆，该调节螺杆在所述粒化播洒器出口处端安置一个锥形头，另一端安置一个调节手轮；所述调节螺杆安置所述调节手轮端上开有与所述调节手轮相吻合的螺纹。
[0011] 优选地，所述第一进风管包括：
[0012] 与所述粒化播洒器的内筒外壁相通连接的竖直管；
[0013] 与所述直管连接，设置于所述粒化播洒器内筒内的水平管。
[0014] 优选地，沿所述粒化播洒器的内筒内的浆液流动方向，所述水平管为变径短弯管。
[0015] 从上述的技术方案可以看出，本发明的粒化播洒器在内管上设置进风管，先通过所述进风管中的风调节水煤浆的播洒粒度，再通过设置在外管上的进风管粒化水煤浆，解决了由于只在所述粒化播洒器出口处粒化水煤浆，容易造成水煤浆的粒化不均匀，进而在炉膛两侧埋管和锅炉后墙底出现挂焦的现象，给机组的安全稳定运行带来很大隐患的问题。附图说明
[0016] 为了更清楚地说明本发明实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本发明的一些实施 例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
[0017] 图I为本发明实施例公开的一种粒化播洒器的结构示意图；
[0018] 图2为本发明实施例公开的一种粒化播洒器出口处的结构示意图；
具体实施方式
[0019] 下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
[0020] 本发明实施例公开了一种粒化播洒器，以解决所述粒化播洒器的粒化水煤浆不均匀造成在炉膛两侧埋管和锅炉后墙底出现挂焦的现象，进而给机组的安全稳定运行带来很大隐患的问题。
[0021] 本发明实施例公开的粒化播洒器，如图I所示，包括：内筒I和外筒2 ;与内筒I相连通的进浆管3，以及与外筒相连通的进风管4 ;为使所述粒化播洒器对浆液的粒化更均匀,还包括,与内筒2相连通的进风管5。
[0022] 具体的，内筒I和外筒2成同心同轴布置，内筒I略长于外筒2，在内筒I长出外筒2的一侧，用环形小盖板将外筒2的管口焊接封堵；如图2所示，在内筒I和外外2平齐的一侧，使用由三个旋流片9将内筒I和外筒2连接支撑；其中，为了强化水煤浆的粒化效果，三个旋流片9呈互为120°布置，并且，三个旋流片9将内筒I和外筒2围成的环形区域分割成三个透气口，三个透气口的布置方式为：内筒I的正下方一个，左右各一个。
[0023] 进风管5可以设置于内筒I长出外筒2的一段上，也可以设置于被外筒2包围的内筒I的一段，如图I所示。
[0024] 在内筒I和外筒2的轴线上安置一根调节螺杆7，其中，调节螺杆7在所述粒化播洒器出口处端安置一个锥形头8 ;另一端安置一个调节手轮6，并且，调节螺杆7安置调节手轮6端上开有与调节手轮6相吻合的螺纹，通过旋转调节手轮6进而调节螺杆7的伸缩状态，锥形头8再配合调节螺杆7的伸缩来控制水煤浆的粒化播洒效果。
[0025] 本实施例公开的粒化播洒器的工作原理为：浆液通过进浆管3进入内筒1，同时，压缩空气通过进风管5也进入内筒1，此时，通过进风管5内的风来吹鼓内筒I内的浆液,粒化浆液，使浆液颗粒直径减小；并且，还有压缩空气通过进风管4进入外筒2，在所述粒化播洒器的出口处，进一步粒化浆液。不仅如此，进入进风管4的压缩空气由旋流片9分成的三个通气口对浆液颗粒起扰动、输送的作用，使浆液颗粒分散更均匀，扩大浆液颗粒的播洒面积，确保其覆盖锅炉的整个床面。
[0026] 在上述过程中，所述粒化播洒器可以通过转动调节手轮6调节螺杆7的伸缩进而带动锥形头8的伸缩，用于控制进风管4和进风管5内空气流量来调节浆液的粒化效果，使之达到最佳。进风管5由竖直放置和水平放置两根管组成，并且，为防止水煤浆的倒灌，进风管5水平放置的管道，沿内筒I内的浆液流动方向，设置为变径短弯管形式。 [0027] 对所公开的实施例的上述说明，使本领域专业技术人员能够实现或使用本发明。对这些实施例的多种修改对本领域的专业技术人员来说将是显而易见的，本文中所定义的一般原理可以在不脱离本发明的精神或范围的情况下，在其它实施例中实现。因此，本发明将不会被限制于本文所示的这些实施例，而是要符合与本文所公开的原理和新颖特点相一致的最宽的范围。
Claims (3)
1. 一种粒化播洒器，其特征在于，包括内筒和外筒，其中： 所述内筒上设置有与该筒相连通的第一进风管和进浆管； 所述外筒上设置有与该筒相连通的第二进风管； 在内筒和外筒平齐的一侧，使用三个旋流片将内筒和外筒连接支撑； 所述内筒和外筒的轴线上安置有调节螺杆，该调节螺杆在所述粒化播洒器出口处端安置一个锥形头，另一端安置一个调节手轮；所述调节螺杆安置所述调节手轮端上开有与所述调节手轮相吻合的螺纹。
2.根据权利要求I所述的粒化播洒器，其特征在于，所述第一进风管包括： 与所述粒化播洒器的内筒外壁相通连接的竖直管； 与所述竖直管连接，设置于所述粒化播洒器内筒内的水平管。
3.根据权利要求2所述的粒化播洒器，其特征在于，沿所述粒化播洒器的内筒内的浆液流动方向，所述水平管为变径短弯管。
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