CN101439252B - Filter drum type precipitator - Google Patents
Filter drum type precipitator Download PDFInfo
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- CN101439252B CN101439252B CN2008101363312A CN200810136331A CN101439252B CN 101439252 B CN101439252 B CN 101439252B CN 2008101363312 A CN2008101363312 A CN 2008101363312A CN 200810136331 A CN200810136331 A CN 200810136331A CN 101439252 B CN101439252 B CN 101439252B
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- filter cylinder
- filter
- filter cartridges
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Abstract
The invention discloses a filter cartridge dust collector. The dust collector comprises a case body which is provided with an air inlet and an air outlet, a plurality of filter cartridges which are obliquely arranged inside the case body, and a dust cleaning device which blows compressed air into the filter cartridges from an open end above the filter cartridges. The inside of the filter cartridges is fixedly provided with a core tube with an upper end head sealed along the extension direction of the filter cartridges, and a cavity is arranged between the core tube and the filter cartridges. As the filter cartridges are internally provided with the core tube, the compressed air blown from the dust cleaning device can only pass from the cavity arranged between the core tube and the filter cartridges, thus reducing the blowing area in the filter cartridges; the air velocity of the blowing airflow is increased on the premise of blowing the same air flow quantity, which causes the blowing airflow to fully contact filter materials and improves the dust cleaning efficiency. As the dust cleaning efficiency is improved, even the dust which is fully stuck to the filter materials can be fully removed, thus being capable of properly increasing the filtration air velocity and indirectly improving the dedusting efficiency.
Description
Technical field
The present invention relates to a kind of dust arrester that utilizes filter cylinder to come the solid grit in the divided gas flow.
Background technology
In present miscellaneous dedusting product, utilize filter cylinder to carry out the filtration of dust, be a kind of technology commonly used.As the patent No. is that the utility model of ZL99228768.5 discloses a kind of heavy streaming multi-tube dust cleaner, its flue gas feeds from the air inlet that is positioned at the top, utilize gravity and descending air-flow to pass filter cylinder, make dust be filtered, fall, be collected into the bottom of deduster casing by filter cylinder.Clean gas flow after the dedusting is sent from the exhaust outlet that is positioned at the top equally.Openend is provided with back-blowing device above each filter cylinder, and this device regularly is blown into compressed air in filter cylinder, the grit on filter cylinder surface is blown off, thereby can guarantee the permeability and the filter effect of filter cylinder.This type of deduster just can be removed the grit of various particle diameters by the specification of control filter cylinder.And,, avoid stopping up so can clean filter cylinder very easily owing to added back-blowing device.
Above-mentioned dedusting back-blowing device wherein can adopt high pressure draught to carry out blowback, and advantage is that air-flow is even, but air consumption is big; Also can adopt air pulse to jet, though air consumption is little, air-flow a little less than, deashing is not thorough.
Summary of the invention
The object of the present invention is to provide a kind of back-blowing device can adopt less air consumption just can reach the filter drum type precipitator of fine ash-removal effect.
To achieve the above object of the invention, the present invention has taked following technical scheme:
A kind of filter drum type precipitator comprises: casing offers air inlet and air outlet on this casing; Be obliquely installed a plurality of filter cylinders in described casing; In described filter cylinder, be blown into compressed-air actuated deashing device from the top openend of described filter cylinder.In described cartridge interior, be set with the core pipe of upper end head sealed along the bearing of trend of this filter cylinder, between described core pipe and described filter cylinder, there is cavity.
The concentric cylinder of the described filter cylinder of described core Guan Weiyu.The upper end of described core pipe is the taper outstanding towards the place ahead.
Described deashing device comprises nozzle, and openend is equipped with Venturi tube above described filter cylinder, and the diffusion end of this Venturi tube is connected with described filter cylinder, and retract port is over against described nozzle.
Described air inlet is positioned at the below of described filter cylinder, and described air outlet is positioned at the top of described filter cylinder, is provided with at least one baffle plate towards the inside protrusion on the inwall of described casing, and this baffle plate is over against described air inlet.
Have following advantage according to filter drum type precipitator of the invention process:
1, owing in filter cylinder, set up the core pipe, the compressed air that is blown in the deashing device can only pass through in the cavity between core pipe and filter cylinder, therefore reduced the winding-up area in the filter cylinder, under the prerequisite of winding-up same traffic air, improved the wind speed of winding-up air-flow, the winding-up air-flow can fully be contacted with filter material, improved cleaning efficiency.
2, be improved owing to cleaning efficiency, even the dust that is sticky in fully on the filter material also can thoroughly be removed.Therefore can suitably improve filtration velocity, improve efficiency of dust collection indirectly.
Description of drawings
Accompanying drawing 1 is a front view of the present invention;
Accompanying drawing 2 is that the A-A of single filter cylinder is to cutaway view;
Wherein: 1, air inlet; 2, baffle plate; 3, ash bucket; 4, filter course; 5, cavity; 6, ash hole; 7, casing; 8, end cap; 9, core pipe; 10, filter cylinder; 11, aeroscopic plate; 12, compressed air inlet; 13, gas-storing pipe; 14, magnetic valve; 15, nozzle; 16, Venturi tube; 17, air outlet; 18, sealing ring; 19, taper block.
The specific embodiment
Below in conjunction with accompanying drawing the specific embodiment of the present invention is described:
As shown in Figure 1, according to filter drum type precipitator of the invention process by casing 7, be obliquely installed many groups filter cylinder 10 in casing 7, openend is blown into compressed-air actuated deashing device in the filter cylinder 10 and constitutes above the filter cylinder 10.
Wherein, the bottom of casing 7 is an ash bucket 3, and ash bucket 3 is provided with ash hole 6.The air inlet 1 that supplies flue gas to enter is opened in the bottom of casing 7, and be provided with a baffle plate 2 over against this air inlet 1, like this, after flue gas enters casing 7 from air inlet 1, what be subjected to baffle plate 2 stops the generation settlement action, the flue dust that feasible part is bigger is lowered in the ash bucket 3 in the effect of deadweight, realizes preliminary clean.Flue dust continues to be transported to casing 7 tops subsequently, and carries out dust removal by filtration by filter cylinder 10.Air outlet 17 is opened in the top of casing 7, is positioned at top openend one side of filter cylinder 10.
In the inside of filter cylinder 10, be set with core pipe 9 cylindraceous with one heart with filter cylinder 10, its external diameter is 168 millimeters.The upper end of this core pipe 9 adopts a taper block 19 outstanding towards the place ahead to seal.Leaving the cross section between core pipe 9 and filter cylinder 10 is the cavity 5 of ring-type, passes through for flue gas.The effect of this core pipe 9 is the ventilation sectional areas that reduce in the filter cylinder 10, makes that when carrying out deashing identical jet amount can reach bigger winding-up wind speed, has improved cleaning efficiency.The effect of taper block 19 is to eliminate filter cylinder 10 deashing blind area foremost, and in the present embodiment, the height E of taper block 19 is 50 millimeters.
The A-A of filter cylinder 10 and core pipe 9 is provided with many aeroscopic plates along the bearing of trend of filter cylinder 10 and core pipe 9, to cutaway view as shown in Figure 2 in order to lead the direction of advance of favorable current.
In order to obtain better ash-removal effect, openend is equipped with Venturi tube 16 above filter cylinder 10.The diffusion end of this Venturi tube 16 is connected with filter cylinder 10, and retract port is then over against nozzle 15.In the present embodiment, the total length C of Venturi tube 16 is 150 millimeters, and between nozzle 15 and Venturi tube 16 retract port is 30 millimeters apart from B, and the diffuser length D of literature and history pipe 16 is 80 millimeters.This size cooperates the diameter of filter cylinder 10 and core pipe 9, and the height of taper block 19, can thoroughly eliminate the deashing blind area, obtains preferable ash-removal effect.
In the present embodiment, the dust content of flue dust is about 30g/m
3, the filtration velocity of selection 1.3m/min, the processing air quantity Q that calculating can get every group of filter cylinder is 10 * 1.3 * 60=780m
3/ h.The ventilation sectional area S of filter cylinder 10 is the sectional area of cavity 5, and calculating can get S=(π/4) * (220
2-168
2)=15838mm
2=0.015838m
2Therefore, velocity of flue gas v=Q/S=13.68m/s.Usually, velocity of flue gas is to be advisable less than 18m/s, and the velocity of flue gas in the present embodiment meets this requirement.Aforementioned calculation result shows, improved cleaning efficiency owing to set up core pipe 9, makes filtration velocity correspondingly to improve, and improves filtration velocity in right amount and can not cause velocity of flue gas to surpass the ability to bear of equipment.
As mentioned above, we are illustrated according to aim of the present invention fully, but the present invention is not limited to the foregoing description and implementation method.The practitioner of correlative technology field can carry out different variations and enforcement in the scope of technological thought permission of the present invention.
Claims (4)
1. filter drum type precipitator, comprise: casing (7) offers air inlet (1) and air outlet (17) on this casing (7); Be obliquely installed a plurality of filter cylinders (10) in described casing (7); In described filter cylinder (10), be blown into compressed-air actuated deashing device from the top openend of described filter cylinder (10), it is characterized in that: in described filter cylinder (10) inside, be set with the core pipe (9) of upper end head sealed along the bearing of trend of this filter cylinder (10), the upper end of described core pipe (9) is the taper outstanding towards the place ahead, the part of described taper is arranged in described filter cylinder (10), has cavity (5) between described core pipe (9) and described filter cylinder (10).
2. filter drum type precipitator according to claim 1 is characterized in that: described core pipe (9) is and the concentric cylinder of described filter cylinder (10).
3. according to the described filter drum type precipitator of above-mentioned each claim, it is characterized in that: described deashing device comprises nozzle (15), top openend at described filter cylinder (10) is equipped with Venturi tube (16), the diffusion end of this Venturi tube (16) is connected with described filter cylinder (10), and retract port is over against described nozzle (15).
4. filter drum type precipitator according to claim 1, it is characterized in that: described air inlet (1) is positioned at the below of described filter cylinder (10), described air outlet (17) is positioned at the top of described filter cylinder (10), be provided with at least one baffle plate (2) towards the inside protrusion on the inwall of described casing (7), this baffle plate (2) is over against described air inlet (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101363312A CN101439252B (en) | 2008-11-27 | 2008-11-27 | Filter drum type precipitator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101363312A CN101439252B (en) | 2008-11-27 | 2008-11-27 | Filter drum type precipitator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101439252A CN101439252A (en) | 2009-05-27 |
| CN101439252B true CN101439252B (en) | 2011-02-02 |
Family
ID=40723941
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008101363312A Active CN101439252B (en) | 2008-11-27 | 2008-11-27 | Filter drum type precipitator |
Country Status (1)
| Country | Link |
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| CN (1) | CN101439252B (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102335536A (en) * | 2010-07-19 | 2012-02-01 | 江苏东泽环保科技有限公司 | Deduster for filter cylinder |
| CN103252143B (en) * | 2013-04-24 | 2015-04-08 | 苏州市科林除尘设备有限公司 | Filter cylinder type dust collection unit |
| CN103933802B (en) * | 2014-05-14 | 2016-01-06 | 浙江巨宏机械科技有限公司 | A kind of angle-inserting type filter cartridge dust remover |
| CN104984613A (en) * | 2015-07-13 | 2015-10-21 | 江苏德立环保工程有限公司 | Filtering-drum dust remover |
| CN106799091A (en) * | 2015-11-25 | 2017-06-06 | 衡阳市锦轩化工有限公司 | A kind of white carbon device for recovering powder |
| CN105396392A (en) * | 2015-12-09 | 2016-03-16 | 苏州市科林除尘设备有限公司 | Filter cylinder type dedusting unit |
| CN107096309B (en) * | 2017-06-29 | 2019-03-12 | 新疆中经宏泰石油技术服务有限公司 | A kind of filtering cartridge combined dust-remover |
| CN108246015A (en) * | 2018-03-10 | 2018-07-06 | 日照兴业汽车配件有限公司 | Dust pelletizing system |
| CN110075637A (en) * | 2019-05-22 | 2019-08-02 | 威尔登环保设备（长沙）有限公司 | Dedusting filter cylinder and dust-extraction unit |
-
2008
- 2008-11-27 CN CN2008101363312A patent/CN101439252B/en active Active
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| Publication number | Publication date |
|---|---|
| CN101439252A (en) | 2009-05-27 |
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| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Suzhou Kelin Collection Co., Ltd. Assignor: Xue Jiahua Contract record no.: 2011320010121 Denomination of invention: Dust removing method of filtering barrel type dust remover Granted publication date: 20110202 License type: Exclusive License Open date: 20090527 Record date: 20110908 |