CN203855461U - 一种双叶轮表面曝气装置 - Google Patents
一种双叶轮表面曝气装置 Download PDFInfo
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- CN203855461U CN203855461U CN201420265791.6U CN201420265791U CN203855461U CN 203855461 U CN203855461 U CN 203855461U CN 201420265791 U CN201420265791 U CN 201420265791U CN 203855461 U CN203855461 U CN 203855461U
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- impeller
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- aeration equipment
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- 238000005273 aeration Methods 0.000 claims description 30
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- NINIDFKCEFEMDL-UHFFFAOYSA-N sulfur Chemical compound 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[S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Abstract
一种双叶轮表面曝气装置，其包括，浮筒，为一集气罩，其上端面中央开设一气体入口；导流筒，由整流筒和挡板组成，整流筒上端连接于浮筒内中央，十字挡板连接于整流筒下端面；减速电机，由电机和减速器组成，设置于浮筒上端面中央；搅拌机构，设置于导流筒内，其包括搅拌轴、吸气叶轮和推流叶轮；搅拌轴上端连接于减速器输出端；吸气叶轮、推流叶轮依次上下同轴设置于搅拌轴上。本实用新型突破了传统表面曝气装置受到水深限制的因素，将吸气功能与搅拌功能独立，单独设置吸气叶轮，吸气叶轮旋转形成负压将气体吸入空气、氧气或除臭尾气；搅拌叶轮实现气液混合并产生大流量推送至曝气池内部，同时其单位能耗推力更大，产流比更高。
Description
技术领域
[0001] 本实用新型涉及污水处理中表面曝气和尾气净化设备，特别涉及一种双叶轮表面曝气装置。
背景技术
[0002] 表面曝气装置利用装设在曝气池表面的叶轮向池中废水混合充氧的设备，同时也可用来作为含硫尾气的净化处理。装设在曝气池内的叶轮转动时，剧烈地翻动水面，使池水不断循环流动混合，并使空气中的氧溶于水中。
[0003]目前广泛采用的曝气叶轮有平板型、伞型、泵型，这些叶轮形式和布置都是单层多片桨叶式，依靠叶轮上的叶片旋转，产生水体表面的剧烈推流，同时卷携并破碎气泡溶解到水体中。这种曝气方式往往只适合与水深较浅(小于6m)的浅层曝气池，同时溶氧能力只能达到 1.0 〜2.5kg02/kWh。
实用新型内容
[0004] 本实用新型目的在于设计一种双叶轮表面曝气装置，突破了传统表面曝气装置受到水深限制的因素，同时其单位能耗推力更大，产流比更高。
[0005] 为达到上述目的，本实用新型的技术方案是:
[0006] —种双叶轮表面曝气装置,其包括，浮筒，为一集气罩，其上端面中央开设一安装通孔；导流筒，由整流筒和挡板组成，整流筒上端部插设于浮筒内中央安装通孔内，挡板连接于整流筒下端面，整流筒上端面设气体入口 ；减速电机，由电机和减速器组成，设置于浮筒上端面中央；搅拌机构，设置于导流筒的整流筒内，其包括搅拌轴、吸气叶轮和推流叶轮；搅拌轴上端连接于减速器输出端；吸气叶轮、推流叶轮依次上下同轴设置于搅拌轴上。
[0007] 进一步，所述的吸气叶轮、推流叶轮为变螺旋叶轮。
[0008] 又，所述的吸气叶轮、推流叶轮的桨叶沿轴向各截面直径是变化的，即以桨叶最大直径截面为基准，向桨叶两个端面延伸，截面直径逐渐减少。
[0009] 再有，所述的吸气叶轮、推流叶轮的螺距不同。
[0010] 优选地，所述的吸气叶轮的桨叶为两片式，所述的推流叶轮的桨叶为三片式。
[0011] 优选地，所述的浮筒集气罩下端面为向中心内倾的锥面。
[0012] 优选地，所述的浮筒集气罩下端面向中心内倾的倾角为与水平成5°〜8°。
[0013] 优选地，所述的挡板为十字挡板或Y形挡板。
[0014] 所述的挡板的顶部与整流筒采用嵌入式连接。
[0015] 优选地，所述的电机为变频电机。
[0016] 本实用新型位于上部的吸气叶轮单独用吸入氧气，下部的推流叶轮用于将氧气与曝气池混合液充分混合后，产生大推流扩散至曝气池。
[0017] 所述集气罩向中心倾斜，用于收集未充分溶解的气体，并将其循环溶解到混合液中。整流筒用于调整推流叶轮的吸入去和排出区的流体运动流态，十字挡板用于将推流叶轮产生的曝气混合液主流均匀分布至整个曝气池中，其顶部与整流筒采用嵌入式连接。
[0018] 本实用新型叶轮采用变螺旋叶轮，可防纤维缠绕，长期运行条件下，对水中的纤维状杂物缠绕有很好的清除效果。
[0019] 本实用新型的特点:
[0020] 本实用新型利用通过改变传统表面曝气装置形式，将吸气功能与搅拌功能独立，单独设置吸气叶轮，由吸气叶轮旋转形成的负压将气体吸入空气、氧气或者除臭尾气等)，通过创新的变螺旋叶轮设计，下部叶轮为大推力搅拌叶轮，实现气液混合并产生大流量推送至曝气池内部。
附图说明
[0021] 图1为本实用新型实施例的剖面图。
[0022] 图2为本实用新型实施例的轴测图。
[0023] 图3为本实用新型实施例中搅拌机构的结构示意图。
具体实施方式
[0024] 参见图1〜图3，本实用新型的一种双叶轮表面曝气装置，其包括，浮筒1，为一集气罩，其上端面中央开设一安装通孔(图中未示)；导流筒2，由整流筒21和挡板22组成，整流筒21上端部插设于浮筒I内中央安装通孔内，挡板22连接于整流筒21下端面，整流筒22上端面设气体入口 101 ;减速电机3，由电机31和减速器32组成，设置于浮筒I上端面中央；搅拌机构4，设置于导流筒2的整流筒21内，其包括搅拌轴41、吸气叶轮42和推流叶轮43 ;搅拌轴41上端连接于减速器32输出端；吸气叶轮42、推流叶轮43依次上下同轴设置于搅拌轴41上。
[0025] 进一步，所述的吸气叶轮42、推流叶轮43为变螺旋叶轮，桨叶沿轴向各截面直径是变化的，即以桨叶最大直径截面为基准，向桨叶两个端面延伸，截面直径逐渐减少。
[0026] 又，所述的吸气叶轮42、推流叶轮43的螺距不同。
[0027] 在本实施例中，所述电机31与搅拌轴41通过联轴器连接，该电机31采用变频电机，变频电机转速通过变频器调节。
[0028] 所述吸气叶轮42和推流叶轮43与搅拌轴41为同轴焊接，位于上部的吸气叶轮42为采用两片式桨叶，分布角为180度，下部的推流叶轮43采用三片式桨叶，分布角为120度。
[0029] 所述集气罩下端面采用5°〜8°的坡度向设备搅拌轴中心倾斜，用于收集未充分溶解的气体，并将其循环溶解到混合液中。
[0030] 所述整流筒用于调整推流叶轮的吸入去和排出区的流体运动流态，十字挡板用于将推流叶轮产生的曝气混合液主流均匀分布至整个曝气池中，其顶部与整流筒采用嵌入式连接。
[0031] 实际运行中，可根据不同的进水条件和工艺要求，通过变频器调节叶轮转速来应对水量和水质的冲击负荷。
Claims (11)
1.一种双叶轮表面曝气装置，其特征在于，包括， 浮筒，为一集气罩，其上端面中央开设一安装通孔； 导流筒，由整流筒和挡板组成，整流筒上端部插设于浮筒内中央安装通孔内，挡板连接于整流筒下端面，整流筒上端面设气体入口 ； 减速电机，由电机和减速器组成，设置于浮筒上端面中央； 搅拌机构，设置于导流筒的整流筒内，其包括搅拌轴、吸气叶轮和推流叶轮；搅拌轴上端连接于减速器输出端；吸气叶轮、推流叶轮依次上下同轴设置于搅拌轴上。
2.如权利要求1所述的双叶轮表面曝气装置，其特征在于，所述的吸气叶轮、推流叶轮为变螺旋叶轮。
3.如权利要求1所述的双叶轮表面曝气装置，其特征在于，所述的吸气叶轮、推流叶轮的桨叶沿轴向各截面直径是变化的，即以桨叶最大直径截面为基准，向桨叶两个端面延伸，截面直径逐渐减少。
4.如权利要求1或2或3所述的双叶轮表面曝气装置，其特征在于，所述的吸气叶轮、推流叶轮的螺距不同。
5.如权利要求1或2或3所述的双叶轮表面曝气装置，其特征在于，所述的吸气叶轮的桨叶为两片式，所述的推流叶轮的桨叶为三片式。
6.如权利要求4所述的双叶轮表面曝气装置，其特征在于，所述的吸气叶轮的桨叶为两片式，所述的推流叶轮的桨叶为三片式。
7.如权利要求1所述的双叶轮表面曝气装置，其特征在于，所述的浮筒集气罩下端面为向中心内倾的锥面。
8.如权利要求7所述的双叶轮表面曝气装置，其特征在于，所述的浮筒集气罩下端面向中心内倾的倾角为与水平成5°〜8。。
9.如权利要求1所述的双叶轮表面曝气装置，其特征在于，所述的挡板为十字挡板或Y形挡板。
10.如权利要求1或9所述的双叶轮表面曝气装置，其特征在于，所述的挡板的顶部与整流筒采用嵌入式连接。
11.如权利要求1所述的双叶轮表面曝气装置，其特征在于，所述的电机为变频电机。
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105174428A (zh) * | 2015-07-21 | 2015-12-23 | 青岛理工大学 | 一种实验室用直曝式曝气设备 |
| CN105344283A (zh) * | 2015-11-18 | 2016-02-24 | 亚太水处理(天长)有限公司 | 一种浮筒式多头曝气搅拌机 |
| CN106006777A (zh) * | 2016-06-12 | 2016-10-12 | 安徽国祯环保节能科技股份有限公司 | 污水处理用浮式搅拌器 |
| CN107801677A (zh) * | 2017-11-02 | 2018-03-16 | 江苏华淼电子科技有限公司 | 一种水产养殖增氧装置 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105174428A (zh) * | 2015-07-21 | 2015-12-23 | 青岛理工大学 | 一种实验室用直曝式曝气设备 |
| CN105174428B (zh) * | 2015-07-21 | 2018-01-23 | 青岛理工大学 | 一种实验室用直曝式曝气设备 |
| CN105344283A (zh) * | 2015-11-18 | 2016-02-24 | 亚太水处理(天长)有限公司 | 一种浮筒式多头曝气搅拌机 |
| CN106006777A (zh) * | 2016-06-12 | 2016-10-12 | 安徽国祯环保节能科技股份有限公司 | 污水处理用浮式搅拌器 |
| CN107801677A (zh) * | 2017-11-02 | 2018-03-16 | 江苏华淼电子科技有限公司 | 一种水产养殖增氧装置 |
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