CN105664613B - 横式滤筒除尘器 - Google Patents

横式滤筒除尘器 Download PDF

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CN105664613B
CN105664613B CN201610002320.XA CN201610002320A CN105664613B CN 105664613 B CN105664613 B CN 105664613B CN 201610002320 A CN201610002320 A CN 201610002320A CN 105664613 B CN105664613 B CN 105664613B
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rotating disk
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dedusting chamber
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CN105664613A (zh
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胡振华
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Dongguan Yiting Environmental Protection Equipment Co., Ltd.
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Gong Biyan
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/24Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
    • B01D46/2403Particle separators, e.g. dust precipitators, using rigid hollow filter bodies characterised by the physical shape or structure of the filtering element
    • B01D46/2411Filter cartridges
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/0002Casings; Housings; Frame constructions
    • B01D46/0005Mounting of filtering elements within casings, housings or frames
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/24Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
    • B01D46/26Particle separators, e.g. dust precipitators, using rigid hollow filter bodies rotatable
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/56Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition
    • B01D46/58Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition connected in parallel
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/66Regeneration of the filtering material or filter elements inside the filter
    • B01D46/74Regeneration of the filtering material or filter elements inside the filter by forces created by movement of the filter element
    • B01D46/76Regeneration of the filtering material or filter elements inside the filter by forces created by movement of the filter element involving vibrations
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/66Regeneration of the filtering material or filter elements inside the filter
    • B01D46/785Regeneration of the filtering material or filter elements inside the filter by electrical means, e.g. for the generation of electrostatic forces in order to reject particles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D50/00Combinations of methods or devices for separating particles from gases or vapours
    • B01D50/20Combinations of devices covered by groups B01D45/00 and B01D46/00
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2275/00Filter media structures for filters specially adapted for separating dispersed particles from gases or vapours
    • B01D2275/20Shape of filtering material

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)

Abstract

本发明涉及一种横式滤筒除尘器,本横式滤筒除尘器包括有机体、进气管、排气管、除尘腔、净化腔和灰斗;所述除尘腔呈圆筒状,所述除尘腔横置于机体上;所述除尘腔的两侧圆端密封安装有转盘;在两个转盘之间安装有除尘筒,各除尘筒绕除尘腔的轴线旋转对称分布;除尘筒与转盘通过旋转轴承连接;在除尘筒上还固定有永磁片;在除尘筒的轴线上还安装有电磁筒,电磁筒的接线端延伸至一侧转盘的外表面;在该侧转盘的外部还设有导电刷,当除尘筒随转盘旋转至与所述导电刷位置正对时,导电刷导通电磁筒的电路;该横式滤筒除尘器能够自主的定期科学清灰,有效降低工人的劳动强度;除灰过程安静、缓和,有效保证工作效率。

Description

横式滤筒除尘器
技术领域
本发明涉及一种工业除尘器,特别的,是一种滤筒除尘器。
背景技术
滤筒除尘器是一种以滤筒为过滤元件配以脉冲喷吹或逆向喷吹的除尘器;滤筒除尘器主要由进风管、排风管、箱体、灰斗、清灰装置、导流装置、气流分流分布板、滤筒及电控装置等结构组成;滤筒除尘器将携带灰尘的气体通入箱体后,主要依靠灰尘自身的布朗运动和气体的携带附着、沉降在灰斗及滤筒上;在使用一段时间后,集中在滤筒上的粉尘堵塞气孔,造成滤筒的透气性下降,除尘器的效率整体降低;因此滤筒除尘器需要定期清灰,传统的滤筒除尘器在清灰时使用脉冲气体喷吹,耗气量过大;同时易使粉尘二次大范围扬起,不利于清灰;在清灰时需要暂停除尘工作,也会在一定程度上影响工业生产。
发明内容
针对上述问题,本发明提供一种横式滤筒除尘器,该横式滤筒除尘器能够自主的定期科学清灰,有效降低工人的劳动强度;除灰过程安静、缓和,不易造成粉尘二次飞扬;无需暂停工作,有效保证工作效率。
为解决上述问题,本发明所采用的技术方案是:本横式滤筒除尘器包括有机体、进气管、排气管、除尘腔、净化腔和灰斗;所述进气管安装在除尘腔上,所述排气管安装在净化腔上;所述除尘腔呈圆筒状,所述除尘腔横置于机体上;所述净化腔设于除尘腔的上部,所述灰斗设于除尘腔的下部;所述除尘腔的两侧圆端密封安装有转盘;所述转盘可绕自身轴线自由转动;在两个转盘之间安装有除尘筒,各除尘筒与除尘腔的轴线平行,且各除尘筒绕除尘腔的轴线旋转对称分布;除尘筒与转盘通过旋转轴承连接;在除尘筒上还固定有永磁片;在除尘筒的轴线上还安装有电磁筒,电磁筒的接线端延伸至一侧转盘的外表面;在该侧转盘的外部还设有导电刷,所述导电刷固定在机体上,当除尘筒随转盘旋转至与所述导电刷位置正对时,导电刷导通电磁筒的电路。
本发明的有益效果是:携带粉尘的气体从进气管进入除尘筒,高速流动的气体在进入开阔的腔体后减速,携带的大颗粒粉尘沉降至灰斗内,小颗粒粉尘进行布朗运动附着于除尘筒上;由于各除尘筒在除尘腔内的位置不同,因此吸附粉尘的程度不同;随着粉尘的积聚,除尘筒上的粉尘厚度逐渐增大,除尘筒的透气性逐渐降低,同时除尘筒的质量逐渐增大;在重力作用下,最重的除尘筒带动转盘转动,在转盘转动的过程中,所述导电刷将持续掠扫转盘表面,当导电刷与电磁筒的接线端导通时,电磁筒产生磁场,并吸引或排斥除尘筒上的永磁片,此时除尘筒形变、振动并将粉尘抖落;在高速气流的吹动下,除尘筒可绕自身轴线转动,周围的粉尘能够均匀的附着于除尘筒的表面。
相较于传统的滤筒除尘器,本发明能够根据除尘筒吸附粉尘的程度自主清灰;节省了大量的检查、检修成本;在清灰过程中,利用磁场抖落粉尘,二次扬尘范围小,不会使粉尘污染其他除尘筒,利于粉尘的快速沉降;既有效节省能源又提高了清灰效果;本发明在除尘时对除尘腔的扰动较小,因此可在除尘的同时自主清灰,无需暂停作业,有效提高了生产效率和生产连贯性。
作为优选,所述导电刷位于所述转盘轴心的正下方;当除尘筒旋转至除尘腔下方时,导电刷导通电路实现清灰作业,粉尘能够直接落入底部的灰斗中,减小了粉尘扬起的空间和几率,有效保证清灰的高效进行。
作为优选,所述导电刷电性连接脉冲控制器;脉冲控制器周期性的通断导电刷的电路,从而延长清灰的周期,使得除尘筒在积累一定粉尘后再清理,进而保证除尘的连贯性;每次脉冲控制器导通导电刷时,脉冲控制器快速的改变电磁筒的电流方向,从而使电磁筒产生变化的磁场,促进除尘筒的振动,从而提高除尘效果。
作为优选,所述转盘为阻尼盘;阻尼盘能够有效减缓转动速度,从而延长除尘筒转动的周期,保证除尘筒在每次清灰后能够充分的吸尘。
附图说明
图1为本本横式滤筒除尘器一个实施例的端面结构示意图。
图2为图1所示实施例的截面结构示意图。
具体实施方式
实施例
在图1、图2所示的实施例中,本横式滤筒除尘器包括有机体、进气管11、排气管21、除尘腔1、净化腔2和灰斗3;所述进气管11安装在除尘腔1上,所述排气管21安装在净化腔2上;所述除尘腔1呈圆筒状,所述除尘腔1横置于机体上;所述净化腔2设于除尘腔1的上部,所述灰斗3设于除尘腔1的下部;所述除尘腔1的两侧圆端密封安装有转盘4,所述转盘4为阻尼盘;所述转盘4可绕自身轴线自由转动;在两个转盘4之间安装有除尘筒5,各除尘筒5与除尘腔1的轴线平行,且各除尘筒5绕除尘腔1的轴线旋转对称分布;除尘筒5与转盘4通过旋转轴承41连接;在除尘筒5上还固定有永磁片51;在除尘筒5的轴线上还安装有电磁筒52,电磁筒52的接线端延伸至一侧转盘4的外表面;在该侧转盘4的外部还设有导电刷6,所述导电刷6固定在机体上,所述导电刷6位于所述转盘4轴心的正下方;所述导电刷6电性连接脉冲控制器7,脉冲控制器7周期性的通断导电刷6的电路;从而延长清灰的周期,使得除尘筒5在积累一定粉尘后再清理,而非每次导电刷6与电磁筒52接触时均导通电路、启动清灰作业,进而保证除尘的连贯性;在脉冲控制器7导通导电刷6的周期内,当除尘筒5随转盘4旋转至与所述导电刷6位置正对时,导电刷6导通电磁筒52的电路。
携带粉尘的气体从进气管11进入除尘筒5,高速流动的气体在进入开阔的腔体后减速,携带的大颗粒粉尘沉降至灰斗3内,小颗粒粉尘进行布朗运动附着于除尘筒5上;由于各除尘筒5在除尘腔1内的位置不同,因此吸附粉尘的程度不同;随着粉尘的积聚,除尘筒5上的粉尘厚度逐渐增大,除尘筒5的透气性逐渐降低,同时除尘筒5的质量逐渐增大;在重力作用下,最重的除尘筒5带动转盘4转动;在转盘4转动的过程中,所述导电刷6将持续掠扫转盘4表面,当导电刷6与电磁筒52的接线端导通时,电磁筒52产生磁场,并吸引或排斥除尘筒5上的永磁片51,此时除尘筒5形变、振动并将粉尘抖落;在本实施例中,每次脉冲控制器7导通导电刷6时,脉冲控制器7快速的改变电磁筒52的电流方向,从而使电磁筒52产生变化的磁场,促进除尘筒5的振动,从而提高除尘效果。
在高速气流的吹动下,除尘筒5可绕自身轴线转动,周围的粉尘能够均匀的附着于除尘筒5的表面,从而保证除尘筒5能够完全、平衡的工作。
在本实施例中,所述导电刷6位于所述转盘4轴心的正下方;当除尘筒5旋转至除尘腔1下方时,导电刷6导通电路实现清灰作业,粉尘能够直接落入底部的灰斗3中,减小了粉尘扬起的空间和几率,有效保证清灰的高效进行;同时,阻尼盘能够有效减缓自身的转动速度,从而延长除尘筒5转动的周期,保证除尘筒5在每次清灰后能够充分的吸尘。
相较于传统的滤筒除尘器,本发明能够根据除尘筒5吸附粉尘的程度自主清灰;节省了大量的检查、检修成本;在清灰过程中,利用磁场抖落粉尘,二次扬尘范围小,不会使粉尘污染其他除尘筒5,利于粉尘的快速沉降;既有效节省能源又提高了清灰效果;本发明在除尘时对除尘腔1的扰动较小,因此可在除尘的同时自主清灰,无需暂停作业,有效提高了生产效率和生产连贯性。
以上所述仅为本发明的较佳实施例,并不用以限制本发明,凡在本发明的精神和原则之内,所作的任何修改、等同替换、改进等,均应包含在本发明的保护范围之内。

Claims (4)

1.一种横式滤筒除尘器,本横式滤筒除尘器包括有机体、进气管(11)、排气管(21)、除尘腔(1)、净化腔(2)和灰斗(3);所述进气管(11)安装在除尘腔(1)上,所述排气管(21)安装在净化腔(2)上;所述除尘腔(1)呈圆筒状,所述除尘腔(1)横置于机体上;所述净化腔(2)设于除尘腔(1)的上部,所述灰斗(3)设于除尘腔(1)的下部;其特征在于:所述除尘腔(1)的两侧圆端密封安装有转盘(4);所述转盘(4)可绕自身轴线自由转动;在两个转盘(4)之间安装有除尘筒(5),各除尘筒(5)与除尘腔(1)的轴线平行,且各除尘筒(5)绕除尘腔(1)的轴线旋转对称分布;除尘筒(5)与转盘(4)通过旋转轴承(41)连接;在除尘筒(5)上还固定有永磁片(51);在除尘筒(5)的轴线上还安装有电磁筒(52),电磁筒(52)的接线端延伸至一侧转盘(4)的外表面;在该侧转盘(4)的外部还设有导电刷(6),所述导电刷(6)固定在机体上,当除尘筒(5)随转盘(4)旋转至与所述导电刷(6)位置正对时,导电刷(6)导通电磁筒(52)的电路。
2.根据权利要求1所述的横式滤筒除尘器,其特征在于:所述导电刷(6)位于所述转盘(4)轴心的正下方。
3.根据权利要求1或2所述的横式滤筒除尘器,其特征在于:所述导电刷(6)电性连接脉冲控制器(7)。
4.根据权利要求1所述的横式滤筒除尘器,其特征在于:所述转盘(4)为阻尼盘。
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