CN103861394A - Impact-preventing and damping type bag filter - Google Patents
Impact-preventing and damping type bag filter Download PDFInfo
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- CN103861394A CN103861394A CN201410105158.5A CN201410105158A CN103861394A CN 103861394 A CN103861394 A CN 103861394A CN 201410105158 A CN201410105158 A CN 201410105158A CN 103861394 A CN103861394 A CN 103861394A
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- casing
- bag filter
- box body
- guiding gutter
- shock
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Abstract
The invention relates to a bag filter and solves the problems of poor shock-resisting and impact-preventing properties of current bag filters. The technical scheme is that the bag filter comprises a dust hopper, wherein the dust hopper is connected with a box body; a feeding opening and an air outlet are formed in the box body; a discharging opening is formed in the lower end of the dust hopper; the box body is connected with the feeding opening through an air inlet device; the air inlet device comprises an upper flow guide box body and a lower flow guide slot which tilts to the direction of the wall side of the box body; the flow guide slot is communicated with the interior of the box body through a flow guide opening which is formed in the wall side of the box body; the upper end face of the flow guide box body is communicated with the feeding opening. The bag filter is simple in structure, simple to operate, excellent in filtering effect, long in service life and capable of meeting the requirements of preventing impact and damping without reinforcement on the self structure.
Description
Technical field
The present invention relates to a kind of filter, specifically a kind of protecting against shock shock-absorbing type bag filter.
Background technology
Bag filter is widely used in the numerous areas such as petrochemical industry, chemical industry, electric power, metallurgy, technology maturation, and result of use is good.Bag filter is made up of casing and ash bucket conventionally, establishes the charging aperture vertical with casing wall and air outlet on casing, and discharging opening is established in ash bucket lower end, and material directly enters casing by charging aperture.Continuing to bring out and developing along with new technology of preparing, the operating pressure of the process pipelines being connected with bag filter is more and more higher, cause the speed of the process stream that enters bag filter more and more faster, above-mentioned this simple directly feeding manner, can make process stream enter bag filter fast time, the inwall of bag filter is produced to very large impulsive force, the direct result of the excessive generation of impulsive force is exactly to allow bag filter produce violent vibrations in the process using, even sometimes in the time that impulsive force is excessive, will cause damage to the apparatus body of bag filter, have a strong impact on the stable of production safety and system.
The problem that in use run into for above-mentioned bag filter, general solution realizes by strengthening bag filter apparatus body structure.Cause bag filter to be easy to the problem of damaging because process stream impulsive force is excessive although can alleviate or eliminate by the intensity of enhancing equipment self,, it cannot solve the problem of the equipment strenuous vibration causing due to the impact of process stream.Meanwhile, above-mentioned way also increases the steel use amount that makes equipment greatly, has not only increased equipment user's expense, is also the one waste to resource.Therefore, need to be in reserved resource, reduce costs, effectively address the above problem in improving filter effect.
Summary of the invention
To the object of the invention is in order solving the problems of the technologies described above, a kind of simple in structure, simple to operate, good filtration effect to be provided, to reach protecting against shock, damping requirement without equipment self structure is strengthened, to improve the protecting against shock shock-absorbing type bag filter of service life of equipment.
Technical scheme comprises the ash bucket being connected with casing, on described casing, establish charging aperture and air outlet, discharging opening is established in ash bucket lower end, described casing is connected with charging aperture through inlet duct, described inlet duct comprises the water conservancy diversion casing on top and the guiding gutter that bottom tilts to casing wall direction, the flow-guiding mouth of described guiding gutter on casing wall is communicated with in casing, and the upper surface of described water conservancy diversion casing is communicated with charging aperture.
The inclined-plane of described guiding gutter and the angle of horizontal plane are 60-80 °.
Described water conservancy diversion casing is square or inverted trapezoidal structure, and the angle of two side and horizontal plane is 60-90 °.
The lower surface of described flow-guiding mouth is concordant with the lower surface of guiding gutter.
Described flow-guiding mouth width equates with guiding gutter, and the height of flow-guiding mouth is the 1/4-1/2 of guiding gutter vertical height.
Inventor improves charging aperture, between charging aperture and casing, set up inlet duct, make material entering before casing first through inlet duct deceleration damping, material directly enters casing by past horizontal direction and changes first vertical direction into and enter that inlet duct carries out and then horizontal direction enters casing downwards, can make to reduce the flow velocity of material by making the traffic direction of material realize a turning, alleviate the direct impact of material to cabinet wall, reach the object of deceleration damping.
Further, water conservancy diversion casing is designed to up big and down small inverted trapezoidal structure, when material enters water conservancy diversion casing by air inlet like this, the space on water conservancy diversion casing top is a relatively open space for the feeding hole pipeline of material, the speed of material can reduce rapidly, and, the inclination of two side also can be slowed down to the partial material of vertical decline, here the angle of water conservancy diversion box bilateral wall and horizontal plane is preferably 60-90 °, if angle is too small, coal dust is easy to be deposited on the sidewall of water conservancy diversion casing, is unfavorable for that coal dust flows to guiding gutter smoothly; And one of guiding gutter design forming is there is to the bathtub construction of slope, can make material vertically downward drop on this inclined-plane, inclined-plane plays the object of a reduction of speed damping to high-speed material, play again the effect of water conservancy diversion, here the inclined-plane of guiding gutter and the angle of horizontal plane are 60-80 °, if angle is too small, coal dust is easy to be deposited on the sidewall of water conservancy diversion casing, is unfavorable for that coal dust flows to flow-guiding mouth smoothly.
In order further effectively to slow down the speed of releasing that enters process stream in bag filter, also flow-guiding mouth is improved, flow-guiding mouth can not be opened too much, excessive flow-guiding mouth can shorten the stroke of material in inlet duct, affect protecting against shock and damping effect, the lower end of flow-guiding mouth should be concordant with the lower end of guiding gutter, upper end should not exceed the upper end of guiding gutter, preferably the height of flow-guiding mouth is the 1/4-1/2 of guiding gutter vertical height, excessive words, barrier between inlet duct and bag filter casing is too small, to greatly reduce shockproof effect, too small words, be unfavorable for the discharge of material in inlet duct, the width of flow-guiding mouth should equate with the width of guiding gutter, to avoid dust stratification in groove, ensure that material all discharges in casing.
The present invention has slowed down the speed of releasing that enters process stream in bag filter effectively, realize the object of protecting against shock and damping, thereby without the body of bag filter is carried out to structural reinforcing, and material enters casing through flow-guiding mouth with a downward angle along guiding gutter, enter casing compared with multiple charging aperture horizontal directions of past, material is concentrated when reduction of speed is backward falls into ash bucket filter effect better.Structure of the present invention is very simple, scrap build cost is low, have wide market application foreground.
Brief description of the drawings
Fig. 1 is front view of the present invention.
Fig. 2 is right view of the present invention.
Wherein, 1-casing, 2-ash bucket, 3-inlet duct, 4-water conservancy diversion casing, 4.1-sidewall, 4.2-antetheca, 5-guiding gutter, 5.1-inclined-plane, 5.2-sidewall, 6-flow-guiding mouth, 7-charging aperture, 8-discharge gate, 9-air outlet.
Detailed description of the invention
With reference to Fig. 1 and Fig. 2, casing 1 lower end is connected with ash bucket 2, and casing 1 epimere sets out air port 9, and discharge gate 8 is established in ash bucket 2 lower ends, and the stage casing of described casing 1 is provided with flow-guiding mouth 6, and described flow-guiding mouth 6 is communicated with charging aperture 7 through inlet duct 3.Described inlet duct 3 comprises water conservancy diversion casing 4 and the lower guide chute 5 on top, described guiding gutter 5 is made up of inclined-plane 5.1 and two side 5.2, described inclined-plane 5.1 tilts to the wall direction of casing 1, be beneficial to material to the interior conveying of casing 1, material vertically downward directly acts on the inclined-plane 5.1 of guiding gutter 5, also material is played the effect of buffering, deceleration, water conservancy diversion, preferably inclined-plane 5.1 is 60-80 ° with horizontal angle b.The flow-guiding mouth 6 of described guiding gutter 5 on casing wall is communicated with casing 1 is interior, and the upper surface of described water conservancy diversion casing 4 is communicated with charging aperture 7.Described charging aperture 7 can have multiple, for being communicated with multiple material pipelines.Described water conservancy diversion casing 4 comprises sidewall 4.1 and the antetheca 4.2 of both sides, and described water conservancy diversion casing 4 can be square, is more preferably inverted trapezoidal, and preferably two side 4.1 is 60-90 ° with horizontal angle a.4.1Cheng inclined-plane, two side can increase the space on water conservancy diversion casing 4 tops on the one hand, the reduction of flow velocity when being beneficial to material and entering compared with great opening space by charging aperture 7, sidewall 4.1 can play to material vertically downward the effect of buffer deceleration on the other hand, and this inclined-plane, also for material plays guide functions, ensures that material discharges to guiding gutter 5 smoothly.The position that described flow-guiding mouth 6 arranges is corresponding with guiding gutter 5, and described flow-guiding mouth 6 lower surfaces are concordant with the lower surface of guiding gutter 5, and preferably flow-guiding mouth 6 width equate with guiding gutter 5, and the height L1 of flow-guiding mouth 6 is the 1/4-1/2 of guiding gutter 5 vertical height L2.
Operation principle:
Process stream (claiming again material) enters inlet duct 3 vertically downward by charging aperture 7, and the space of releasing increases suddenly, and material speed declines, and the object that tentatively slows down the speed of releasing is also played to material in the two side 4.1 of water conservancy diversion casing 4; Process stream continues vertically to come downwards to the directly antetheca 5.1 of impact guiding gutter 5 of guiding gutter 5, be the effect that the antetheca 5.1 on inclined-plane also plays further reduction of speed, water conservancy diversion and turns to process stream, material turns in guiding gutter 5, with the downward angle of level in flow-guiding mouth 6 enters casing 1, material after filtration is discharged by the discharge gate of ash bucket 2 lower ends with gravity, and isolated gas is discharged by air outlet 9.
Claims (5)
1. a protecting against shock shock-absorbing type bag filter, comprise the ash bucket being connected with casing, on described casing, establish charging aperture and air outlet, discharging opening is established in ash bucket lower end, it is characterized in that, described casing is connected with charging aperture through inlet duct, and described inlet duct comprises the water conservancy diversion casing on top and the guiding gutter that bottom tilts to casing wall direction, the flow-guiding mouth of described guiding gutter on casing wall is communicated with in casing, and the upper surface of described water conservancy diversion casing is communicated with charging aperture.
2. protecting against shock shock-absorbing type bag filter as claimed in claim 1, is characterized in that, the inclined-plane of described guiding gutter and the angle of horizontal plane are 60-80 °.
3. protecting against shock shock-absorbing type bag filter as claimed in claim 1 or 2, is characterized in that, described water conservancy diversion casing is square or inverted trapezoidal structure, and the angle of two side and horizontal plane is 60-90 °.
4. protecting against shock shock-absorbing type bag filter as claimed in claim 1 or 2, is characterized in that, the lower surface of described flow-guiding mouth is concordant with the lower surface of guiding gutter.
5. protecting against shock shock-absorbing type bag filter as claimed in claim 4, is characterized in that, described flow-guiding mouth width equates with guiding gutter, and the height of flow-guiding mouth is the 1/4-1/2 of guiding gutter vertical height.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410105158.5A CN103861394B (en) | 2014-03-20 | 2014-03-20 | Protecting against shock shock-absorbing type bag filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410105158.5A CN103861394B (en) | 2014-03-20 | 2014-03-20 | Protecting against shock shock-absorbing type bag filter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103861394A true CN103861394A (en) | 2014-06-18 |
| CN103861394B CN103861394B (en) | 2016-03-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410105158.5A Expired - Fee Related CN103861394B (en) | 2014-03-20 | 2014-03-20 | Protecting against shock shock-absorbing type bag filter |
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| Country | Link |
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| CN (1) | CN103861394B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1816064A (en) * | 1929-06-12 | 1931-07-28 | Waldenburg-Straus-S Eduard Von | Filtering apparatus |
| CN2447038Y (en) * | 2000-09-26 | 2001-09-12 | 廖寅宏 | Dust-collecting working table |
| JP2006231239A (en) * | 2005-02-25 | 2006-09-07 | Ngk Insulators Ltd | Bag filter apparatus |
| CN102059026A (en) * | 2009-11-12 | 2011-05-18 | 沈阳铝镁设计研究院 | High-efficiency pre-separation pulse bag-type dust collector |
| CN202860303U (en) * | 2012-11-01 | 2013-04-10 | 唐山恒瑞自动化设备有限公司 | Industrial light dust collector |
| CN202962181U (en) * | 2012-05-07 | 2013-06-05 | 刘智刚 | Filter or dust collector air-flow inlet two-order diffusion apparatus |
| CN103505957A (en) * | 2013-10-16 | 2014-01-15 | 东华大学 | Lateral inlet air flow equalization device |
| CN203790737U (en) * | 2014-03-20 | 2014-08-27 | 中国五环工程有限公司 | Bag-type filter |
-
2014
- 2014-03-20 CN CN201410105158.5A patent/CN103861394B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1816064A (en) * | 1929-06-12 | 1931-07-28 | Waldenburg-Straus-S Eduard Von | Filtering apparatus |
| CN2447038Y (en) * | 2000-09-26 | 2001-09-12 | 廖寅宏 | Dust-collecting working table |
| JP2006231239A (en) * | 2005-02-25 | 2006-09-07 | Ngk Insulators Ltd | Bag filter apparatus |
| CN102059026A (en) * | 2009-11-12 | 2011-05-18 | 沈阳铝镁设计研究院 | High-efficiency pre-separation pulse bag-type dust collector |
| CN202962181U (en) * | 2012-05-07 | 2013-06-05 | 刘智刚 | Filter or dust collector air-flow inlet two-order diffusion apparatus |
| CN202860303U (en) * | 2012-11-01 | 2013-04-10 | 唐山恒瑞自动化设备有限公司 | Industrial light dust collector |
| CN103505957A (en) * | 2013-10-16 | 2014-01-15 | 东华大学 | Lateral inlet air flow equalization device |
| CN203790737U (en) * | 2014-03-20 | 2014-08-27 | 中国五环工程有限公司 | Bag-type filter |
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| Publication number | Publication date |
|---|---|
| CN103861394B (en) | 2016-03-30 |
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Granted publication date: 20160330 Termination date: 20190320 |