CN203704640U - 窑体热循环送风侧管 - Google Patents

窑体热循环送风侧管 Download PDF

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CN203704640U
CN203704640U CN201420006896.XU CN201420006896U CN203704640U CN 203704640 U CN203704640 U CN 203704640U CN 201420006896 U CN201420006896 U CN 201420006896U CN 203704640 U CN203704640 U CN 203704640U
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牟建兴
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Yuan Shufen
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GUIZHOU YUQIAN INDUSTRIAL Co Ltd
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Abstract

本实用新型公开了一种窑体热循环送风侧管,属于热加工领域,用于解决移动式隧道窑的送风结构不合理导致热量利用率低的问题。其主要改进在于:窑体外顶部安装有分布在两侧的两条热风主管,所述热风主管中部设有风机,该风机将热风主管分为风机前主管和风机后主管两部分,所述风机后主管设置有抽风机构,风机前主管下端设有若干穿过窑体顶部并沿窑体侧壁向下延伸的送风侧管,每根送风侧管上至少开有两个送风口。通过对送风侧管以及送风口位置的合理布局,不但提高了热量的利用效率,还使得砖坯烧制的质量更为统一。

Description

窑体热循环送风侧管
技术领域
本实用新型属于热加工领域,涉及烧纸建筑砖的生产设备,具体来说,是移动式隧道窑中用于节能热循环的送风侧管。
背景技术
隧道窑作为连续式烧成的热工设备,因其热利用效率高,被广泛应用于烧制建筑砖。特别是移动式隧道窑,由于窑体是在移动过程中对砖坯完成预热、焙烧、保温和冷却等工序,烧制生产效率更高、更为节能环保。
专利文献(专利号为200920126963,授权公告日为2010年1月13日)公开了一种“烧制建筑砖的移动式隧道窑”,其公开了如下关于抽风/送风管道的技术特征:窑体外顶部安装有热风总管,热风总管上串装有风机,热风总管的前端从两侧引出送风支管与窑体预热段的内腔相通,热风总管的后端从两侧引出抽风支管与窑体冷却段的内腔相通。这种抽风/送风方式由于风机前窑体侧面抽风,风机后窑体顶部送风,并直接再由顶部排出,热风在窑体内停留时间很短且极不均匀的只分布在窑体上部很小的范围内,造成如下缺点:1、剩余热量利用率不高,所以不节能;2、热气快进快出相当于直接排放,并不环保;3、热交换不均匀、时间短,大大降低产品的质量和产量,甚至经常发生坐墩、倒坯等生产事故。
发明内容
本实用新型的目的是提供一种能提高热量再利用率并节能环保的窑体热循环送风侧管。
为实现上述技术目的,本实用新型采用的技术方案如下:
一种窑体热循环送风侧管,包括固定不动的圆环状窑底以及与窑底同心的圆弧形活动窑体,窑体下端通过行走轮支撑于窑底两侧的环形轨道上,窑体内为整体连续型空腔,所述窑体外顶部安装有分布在两侧的两条热风主管,所述热风主管中部设有风机,该风机将热风主管分为风机前主管和风机后主管两部分,所述风机后主管设置有抽风机构,风机前主管下端设有若干穿过窑体顶部并沿窑体侧壁向下延伸的送风侧管,每根送风侧管上至少开有两个送风口。
采用上述技术方案的实用新型,由于将送风侧管设置在了窑体内腔,可以充分利用管道表面传导出的热量,同时设置多个送风口可以扩大窑体内砖坯的加热范围,窑体内烧制范围热量分布均匀,确保了产品质量的统一。
进一步还说,所述送风侧管截面为三角形。根据流体力学原理,截面设置为三角形的送风侧管可以较好的引导热量传递。
进一步还说,所述送风侧管底端距窑底表面不超过10cm。这样可以避免送风侧管太靠近窑底表面造成热能的浪费。
进一步还说,为合理设置送风口的位置和大小,从而使得热量分布更为均匀所述送风侧管开有上、下两个相距30~60cm送风口,其中上送风口上下开口80~150cm,下送风口上下开口40~80cm。
本实用新型相比现有技术,通过对送风侧管以及送风口位置的合理布局,不但提高了热量的利用效率,还使得砖坯烧制的质量更为统一。
附图说明
图1为送风侧管与热风主管的热循环管道结构示意图;
图2为图1的A-A剖视图。
具体实施方式
为了使本领域的技术人员可以更好地理解本实用新型,下面结合附图和实施例对本实用新型技术方案进一步说明。
如图1和图2所示,一种窑体热循环送风侧管,具有固定不动的圆环状窑底1以及与窑底1同心的圆弧形活动窑体2,其中窑体2下端通过行走轮(图中未示出)支撑于窑底1两侧的环形轨道上,窑体2内为整体连续型空腔,窑体2外顶部安装有分布在两侧的两条热风主管3,所述热风主管3中部设有将热风主管3分为风机前主管31和风机后主管32两部分的风机4,该风机4能将风机后主管32的热量引流到风机前主管31,风机后主管32设置有抽风机构。
风机前主管31下端设有若干穿过窑体2顶部并沿窑体2侧壁向下延伸的送风侧管33,送风侧管33主要位于窑体预测段,送风侧管33底端距窑底1表面10cm,可以避免送风侧管33太靠近窑底1表面造成热能浪费,比如说窑体1下底部的缝隙位置容易透气造成的热量流失。每根送风侧管33上开有相距50cm的上送风口34和下送风口35,其中上送风口34上下开口100cm,下送风口35上下开口60cm,这样可使在窑体的热量输出分布更为均匀,烧制的砖坯质量更加统一。为更好地引导热量传递,送风侧管33截面可以设为三角形或者其它类似三角形的形状。
本实用新型通过将送风侧管设置在了窑体内腔提高了热量的利用效率,同时设置多个送风口可以扩大窑体内砖坯的加热范围,烧制范围热量分布均匀,确保了产品质量的统一。还使得砖坯烧制的质量更为统一。

Claims (4)

1.一种窑体热循环送风侧管,包括固定不动的圆环状窑底以及与窑底同心的圆弧形活动窑体,窑体下端通过行走轮支撑于窑底两侧的环形轨道上,窑体内为整体连续型空腔,其特征在于,所述窑体外顶部安装有分布在两侧的两条热风主管,所述热风主管中部设有风机,该风机将热风主管分为风机前主管和风机后主管两部分,所述风机后主管设置有抽风机构,风机前主管下端设有若干穿过窑体顶部并沿窑体侧壁向下延伸的送风侧管,每根送风侧管上至少开有两个送风口。
2.根据权利要求1所述的窑体热循环送风侧管,其特征在于,所述送风侧管截面为三角形。
3.根据权利要求1或2所述的窑体热循环送风侧管,其特征在于,所述送风侧管底端距窑底表面不超过10cm。
4.根据权利要求3所述的窑体热循环送风侧管,其特征在于,所述送风侧管开有上、下两个相距30~60cm送风口,其中上送风口上下开口80~150cm,下送风口上下开口40~80cm。
CN201420006896.XU 2014-01-07 2014-01-07 窑体热循环送风侧管 Expired - Fee Related CN203704640U (zh)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107940990A (zh) * 2017-12-19 2018-04-20 中冶焦耐(大连)工程技术有限公司 隧道式镁质耐火砖浸盐热处理窑及工艺

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107940990A (zh) * 2017-12-19 2018-04-20 中冶焦耐(大连)工程技术有限公司 隧道式镁质耐火砖浸盐热处理窑及工艺

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Effective date of registration: 20160111

Address after: 558000 Guizhou Province, Qiannan Buyi and Miao Autonomous Prefecture Economic Development Zone lonabc town of city village three groups

Patentee after: GUIZHOU ZHONGDE ENERGY SAVING KILN Co.,Ltd.

Address before: 558000 Guizhou Province, Qianxinan Buyei and Miao Autonomous Prefecture of Tuyun Economic Development Zone town of lonabc city village three groups

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Address after: 404087 Group 8 of Ji'an Village, Tiefeng Township, Wanzhou District, Chongqing

Patentee after: Yuan Shufen

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Patentee before: GUIZHOU ZHONGDE ENERGY SAVING KILN Co.,Ltd.

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Granted publication date: 20140709