CN100553737C - A kind of sound wave auxiliary composite bag type dust remover - Google Patents
A kind of sound wave auxiliary composite bag type dust remover Download PDFInfo
- Publication number
- CN100553737C CN100553737C CNB2008100254799A CN200810025479A CN100553737C CN 100553737 C CN100553737 C CN 100553737C CN B2008100254799 A CNB2008100254799 A CN B2008100254799A CN 200810025479 A CN200810025479 A CN 200810025479A CN 100553737 C CN100553737 C CN 100553737C
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- filter bag
- sound wave
- bag
- dedusting chamber
- type dust
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D51/00—Auxiliary pretreatment of gases or vapours to be cleaned
- B01D51/02—Amassing the particles, e.g. by flocculation
- B01D51/06—Amassing the particles, e.g. by flocculation by varying the pressure of the gas or vapour
- B01D51/08—Amassing the particles, e.g. by flocculation by varying the pressure of the gas or vapour by sound or ultrasonics
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2273/00—Operation of filters specially adapted for separating dispersed particles from gases or vapours
- B01D2273/24—Making use of acoustic waves, e.g. for measurements
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
Description
技术领域 technical field
本发明涉及一种用于对大气中可吸入颗粒物脱除的袋式除尘装置。The invention relates to a bag-type dust removal device for removing inhalable particles in the atmosphere.
背景技术 Background technique
随着经济的大力发展，对空气中排放的可吸入颗粒物越来越多，这些可吸入颗粒物对人体危害巨大，特别是直径在2.5μm以下的细微粒子更是易于富集有毒重金属、酸性氧化物、有机污染物、细菌与病毒，而且进入人体后难以排除。但是由于直径在2.5μm以下的细微粒子体积小、重量轻且数量多，目前常规的离心式除尘、过滤除尘以及电除尘均难以奏效。With the vigorous development of the economy, more and more inhalable particles are emitted in the air. These inhalable particles are very harmful to the human body, especially the fine particles with a diameter below 2.5 μm are easy to accumulate toxic heavy metals and acidic oxides. , organic pollutants, bacteria and viruses, and it is difficult to get rid of after entering the human body. However, due to the small size, light weight and large number of fine particles with a diameter below 2.5 μm, the current conventional centrifugal dust removal, filter dust removal and electric dust removal are difficult to work.
发明内容 Contents of the invention
本发明目的是提供一种对直径在2.5μm以下的细微粒子脱除效果好，滤袋使用寿命长的声波辅助复合袋式除尘器。The object of the present invention is to provide a sound-wave-assisted composite bag-type dust collector with good removal effect on fine particles with a diameter below 2.5 μm and long service life of the filter bag.
本发明为实现上述目的，采用如下技术方案：In order to achieve the above object, the present invention adopts the following technical solutions:
本发明包括壳体，壳体内设置花板，将壳体分为除尘腔和洁净室空间；花板上设置若干个通孔，每个通孔上分别连接一个滤袋，除尘腔上设置进气口；洁净室空间上设置出气口；除尘腔的下部设置灰斗；其特征在于除尘腔内设置声波喇叭，所述声波喇叭位于滤袋与进气口之间。The invention comprises a shell, in which a flower plate is arranged, and the shell is divided into a dust removal chamber and a clean room space; several through holes are arranged on the flower plate, and a filter bag is respectively connected to each through hole, and an air intake is arranged on the dust removal chamber. The air outlet is set on the clean room space; the ash hopper is set at the lower part of the dust removal chamber; the characteristic is that a sound wave horn is set in the dust removal chamber, and the sound wave horn is located between the filter bag and the air inlet.
比较好的是：上述声波喇叭与滤袋之间设置多孔隔板，多孔隔板的一端与除尘腔的内壁连接。Preferably, a porous partition is arranged between the sound wave horn and the filter bag, and one end of the porous partition is connected to the inner wall of the dust removal chamber.
比较好的是：上述多孔隔板的开孔率自上而下逐渐增大。Preferably, the opening ratio of the porous separator increases gradually from top to bottom.
比较好的是：上述滤袋的长度为壳体高度的2/3～3/4。Preferably, the length of the filter bag is 2/3 to 3/4 of the shell height.
比较好的是：上述多孔隔板的长度长于滤袋的长度。Preferably: the length of the above-mentioned porous partition is longer than the length of the filter bag.
本发明在含尘烟气进入袋式除尘器之前，利用声波对直径在2.5μm以下的细微粒子进行预处理，使其团聚形成大粒径颗粒团后再进入滤袋，达到对微细颗粒物的脱除作用。多孔板削减声波除尘单元对袋式除尘单元的影响，同时使进入袋式除尘单元的气流从滤袋侧面和滤袋底部同时进入，达到气流均匀分布，避免进口烟气对滤袋的直接冲刷，延长滤袋的使用寿命。In the present invention, before the dust-containing flue gas enters the bag filter, the fine particles with a diameter of less than 2.5 μm are pretreated by sound waves, so that they are reunited to form large particle clusters and then enter the filter bag to achieve the removal of fine particles. In addition to the effect. The perforated plate reduces the influence of the acoustic wave dust removal unit on the bag dust removal unit, and at the same time allows the airflow entering the bag dust removal unit to enter from the side of the filter bag and the bottom of the filter bag at the same time to achieve uniform distribution of the airflow and avoid direct erosion of the filter bag by the imported flue gas. Extend the service life of filter bags.
本发明采用上述技术方案，与现有技术相比具有如下优点：The present invention adopts above-mentioned technical scheme, has following advantages compared with prior art:
1、本发明在多孔隔板与壳体之间设置声波喇叭，可以将小颗粒的细微粒子团聚成大粒径颗粒团后进入滤袋，提高了滤袋对含尘烟气的滤除效果。1. In the present invention, a sonic horn is set between the porous partition and the housing, which can gather small particles into large particle clusters and then enter the filter bag, which improves the filtering effect of the filter bag on dusty smoke.
2、本发明的多孔隔板两端只有一端与壳体连接，这样进入壳体内的含尘气体经过声波喇叭团聚后一部分经过多孔隔板上的小孔进入滤袋，另一部分气体经过多孔隔板与壳体之间的空隙进入滤袋，这样使得沿壳体横向排列的滤袋都用于脱除含尘气体，而不仅仅是靠近多孔隔板的若干个滤袋参与脱除含尘气体，延长了滤袋的使用寿命。2. Only one end of the two ends of the porous partition of the present invention is connected to the shell, so that the dust-containing gas entering the shell is reunited through the sonic horn, and part of the gas enters the filter bag through the small holes on the porous partition, and the other part of the gas passes through the porous partition. The gap between the shell and the shell enters the filter bag, so that the filter bags arranged laterally along the shell are used to remove dusty gas, not just a few filter bags near the porous partition to participate in the removal of dusty gas, Extend the service life of the filter bag.
3、本发明在多孔隔板上设置的通孔是按照上疏下密的方式进行排列的，目的是让含尘气体容易分成两部分，因为上部的通孔比较稀疏，所以经过团聚后的气体被赶到多孔隔板的下部，一部分穿过多孔隔板进入滤袋，另一部分绕过多孔隔板后进入远离多孔隔板的滤袋内，延长了滤袋的使用寿命。3. The through-holes provided on the porous separator in the present invention are arranged in a manner of sparse top and dense bottom. The purpose is to make the dust-laden gas easily divided into two parts. Because the through-holes in the upper part are relatively sparse, the gas after agglomeration Driven to the lower part of the porous partition, part of it passes through the porous partition and enters the filter bag, and the other part bypasses the porous partition and enters the filter bag away from the porous partition, which prolongs the service life of the filter bag.
4、本发明的滤袋的长度是壳体高度的2/3～3/4，目的是使得团聚后的含尘气体能够被更好的脱除，增强脱除的效率，提高脱除效果。4. The length of the filter bag of the present invention is 2/3 to 3/4 of the height of the shell, the purpose is to make the agglomerated dusty gas be better removed, enhance the removal efficiency, and improve the removal effect.
附图说明 Description of drawings
图1是本发明的一种结构示意图。Fig. 1 is a kind of structural representation of the present invention.
具体实施方式 Detailed ways
下面结合附图对本发明的技术方案进行详细说明：The technical scheme of the present invention is described in detail below in conjunction with accompanying drawing:
如图1所示，本发明包括壳体7，壳体7内设置花板9，将壳体7分为除尘腔10和洁净室空间5；花板9上设置若干个通孔，每个通孔上分别连接一个滤袋4，除尘腔10上设置进气口1；洁净室空间5上设置出气口6；除尘腔10的下部设置灰斗8；其特征在于除尘腔10内设置声波喇叭2，所述声波喇叭2位于滤袋4与进气口1之间。As shown in Figure 1, the present invention includes a housing 7, in which a flower plate 9 is arranged, and the housing 7 is divided into a dust removal chamber 10 and a clean room space 5; several through holes are arranged on the flower plate 9, each through The holes are respectively connected with a filter bag 4, the dust removal chamber 10 is provided with an air inlet 1; the clean room space 5 is provided with an air outlet 6; the lower part of the dust removal chamber 10 is provided with an ash bucket 8; the characteristic is that the dust removal chamber 10 is provided with a sound wave horn 2 , the sonic horn 2 is located between the filter bag 4 and the air inlet 1 .
比较好的是：上述声波喇叭2与滤袋4之间设置多孔隔板3，多孔隔板3的一端与除尘腔10的内壁连接。上述多孔隔板3的开孔率自上而下逐渐增大。上述滤袋4的长度为壳体7高度的2/3～3/4。上述多孔隔板3的长度长于滤袋4的长度。Preferably, a porous partition 3 is arranged between the acoustic horn 2 and the filter bag 4 , and one end of the porous partition 3 is connected to the inner wall of the dust removal chamber 10 . The opening ratio of the porous separator 3 increases gradually from top to bottom. The length of the filter bag 4 is 2/3-3/4 of the height of the casing 7 . The length of the porous separator 3 is longer than that of the filter bag 4 .
本发明具有一个外壳7，壳体7被分割为分为除尘腔10和洁净室空间5两个部分，除尘腔10上连接进气口1，洁净室空间5上连接出气口6，灰斗8位于壳体7的下方。用于微细颗粒物团聚的声波单元与袋式除尘单元在壳体内呈水平布置，声波喇叭2与滤袋4的顶端平齐，滤袋的长度占除尘单元高度的2/3～3/4。滤袋的顶部为洁净室空间5。在声波颗粒团聚单元与袋式除尘单元之间设置多孔隔板3，隔板长度超出滤袋长度。隔板采取上稀下密逐渐递增的开孔方式，从而自上而下形成多个布气区域。The present invention has a casing 7, and the casing 7 is divided into two parts: a dust removal chamber 10 and a clean room space 5. The dust removal chamber 10 is connected with an air inlet 1, and the clean room space 5 is connected with an air outlet 6 and an ash hopper 8. Located below the housing 7. The sonic unit for the agglomeration of fine particles and the bag dust removal unit are arranged horizontally in the housing, the sonic horn 2 is flush with the top of the filter bag 4, and the length of the filter bag accounts for 2/3 to 3/4 of the height of the dust removal unit. The top of the filter bag is the clean room space 5. A porous partition 3 is arranged between the acoustic particle agglomeration unit and the bag-type dust removal unit, and the length of the partition exceeds the length of the filter bag. The partition adopts the opening method of gradually increasing the density at the top and the density at the bottom, so as to form multiple air distribution areas from top to bottom.
本发明的工作过程如下：含尘烟气从进气口1水平进入声波团聚单元，在声波喇叭2的作用下微细颗粒物发生团聚，然后在多孔隔板3的作用下，微细颗粒物一部分从滤袋4的水平侧面进入袋式除尘单元，另一部分从底部进入袋式除尘单元。含尘气体经过两个单元的除尘分离，尘粒经过清灰过程后落入灰斗8，洁净的气体进入洁净室空间5，最后从出气口6排出。The working process of the present invention is as follows: the dust-laden flue gas enters the sound wave agglomeration unit horizontally from the air inlet 1, and the fine particles are agglomerated under the action of the sound wave horn 2, and then under the action of the porous partition 3, a part of the fine particles is released from the filter bag The horizontal side of 4 enters the bag filter unit, and the other part enters the bag filter unit from the bottom. The dust-laden gas is separated by the dust removal of the two units, the dust particles fall into the ash hopper 8 after the dust cleaning process, and the clean gas enters the clean room space 5, and finally is discharged from the air outlet 6.
Claims (5)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2008100254799A CN100553737C (en) | 2008-04-29 | 2008-04-29 | A kind of sound wave auxiliary composite bag type dust remover |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2008100254799A CN100553737C (en) | 2008-04-29 | 2008-04-29 | A kind of sound wave auxiliary composite bag type dust remover |
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| Publication Number | Publication Date |
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| CN101264405A CN101264405A (en) | 2008-09-17 |
| CN100553737C true CN100553737C (en) | 2009-10-28 |
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| CNB2008100254799A Expired - Fee Related CN100553737C (en) | 2008-04-29 | 2008-04-29 | A kind of sound wave auxiliary composite bag type dust remover |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101480578B (en) * | 2009-01-05 | 2011-08-10 | 哈尔滨工业大学 | Dedusting and desulfurizing fluid bed reactor with combined action of sound and magnetism |
| CN103691249B (en) * | 2013-12-06 | 2016-09-07 | 冯晓宏 | A kind of particle aggregation processing means and processing method thereof |
| CN103736356B (en) * | 2014-01-09 | 2015-11-04 | 东南大学 | A device for removing fine particles combined with sonic coagulation and conventional dust removal |
| CN104689675A (en) * | 2015-02-12 | 2015-06-10 | 中国计量学院 | Device and method for removing fine particulate matters by acoustic agglomeration with flying ash recirculating |
| CN107875754A (en) * | 2017-11-20 | 2018-04-06 | 哈尔滨工业大学（威海） | A kind of fine particle acoustic agglomeration bag-type dust integrated apparatus |
| CN110986605A (en) * | 2019-11-30 | 2020-04-10 | 南京常荣声学股份有限公司 | Comprehensive treatment system and method for flue gas of rotary hearth furnace |
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Granted publication date: 20091028 Termination date: 20120429 |