CN1216936A - Device for bag house filter - Google Patents
Device for bag house filter Download PDFInfo
- Publication number
- CN1216936A CN1216936A CN97194178A CN97194178A CN1216936A CN 1216936 A CN1216936 A CN 1216936A CN 97194178 A CN97194178 A CN 97194178A CN 97194178 A CN97194178 A CN 97194178A CN 1216936 A CN1216936 A CN 1216936A
- Authority
- CN
- China
- Prior art keywords
- distributor
- chamber
- filter
- clean air
- funnel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
-
- 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
- B01D46/04—Cleaning filters
-
- 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
- B01D46/56—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition
- B01D46/58—Filters 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
-
- 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
- B01D46/66—Regeneration of the filtering material or filter elements inside the filter
- B01D46/70—Regeneration of the filtering material or filter elements inside the filter by acting counter-currently on the filtering surface, e.g. by flushing on the non-cake side of the filter
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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
- B01D46/90—Devices for taking out of action one or more units of multi-unit filters, e.g. for regeneration or maintenance
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
- B01D50/20—Combinations of devices covered by groups B01D45/00 and B01D46/00
-
- 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
- B01D2273/28—Making use of vacuum or underpressure
Abstract
The present invention relates to a device for bag house filters for cleaning of gases containing solid particles said filter comprising at least two chambers (1) each chamber containing a plurality of filter bags (2) and where a bottom hopper (3, 53) is arranged below each chamber (1). The device comprises a distribution device (4, 54) having an inlet opening (5, 55) for uncleaned gas and separate openings (6, 56) connected to each of the bottom hoppers (3, 53), a device (13, 57) for closing of uncleaned gas to one at a time of the openings (6, 56) in the distribution device (13, 57) connected to each of the bottom hoppers (3, 53) and for simultaneously opening of an outlet opening (8) in the distribution device, a fan (11) for cleaning of the filter bags (2) in the chamber (1) which is closed for supply of uncleaned gas and for simultaneous transport by suction of particles via the outlet opening (8) in the distribution device (4, 54) and to a silo (10) for collected particles.
Description
Invention field
The present invention relates to a kind of device that is used for bag hose, described bag hose is used for removing solid particle from gas, The present invention be more particularly directed to a kind of device that is used for cleaning the sack of this bag hose and is used for carrying the particle of clearing out of from gas.
Background technology
Here, term " bag hose " is construed as any filter that the gas of wherein waiting to clear out of solid particle passes filter medium.
In this filter, filter medium is normally weaved or nonwoven, but filter medium also can be to be generally filter medium at the bottom of the porous ceramic film material of earthenware form and the sand.When using cloth as filter medium, filter cloth is generally the form of sack, wherein, Qing Jie gas does not pass filter cloth, both clean air not can be fed to the sack the inside, make gas pass filter cloth and make solid particle stay the inboard of filter cloth thus, can make again not that clean air passes filter cloth from the outside, make solid particle stay the outside of filter bag thus.Hereinafter, the sort of bag hose that is fed to the sack the inside with clean air not is described, but the bag hose of other form defined herein also is suitable for.
Each bag hose all is made up of a plurality of chambeies, and each chamber comprises a plurality of common vertically disposed filter bags.Qing Jie gas is not fed to the inside of sack, and gas passes the material in the sack, and solid particle is trapped in the sack inboard simultaneously.After the work certain hour, must remove the solid particle on the sack.This cleaning is done in such a way that the chamber that will be cleaned and the feeding mechanism of clean air not separate, after this, by with the direction supply clean gas that clean air is not opposite, clean the sack in the chamber of pulling down.This can carry out in many ways.A kind of is so-called " pulse jet " (" puls-jet "), supplies with short and strong pulse from clean gas one side of filter bag, makes the solid particle that is trapped on the sack be eliminated.Another kind of mode is so-called " oppositely air feed ", promptly with the opposite clean gas of direction supply of gas of cleaning not.The fundamental difference of " pulse jet " and " oppositely air feed " is: " oppositely air feed " is based on the cleaning mode that adopts low pressure reduction in a long time, and " pulse jet " is the cleaning mode that adopts short and strong pulse.Also know and to adopt the mode of acoustic vibration and mechanical oscillation to remove delay particle on the filter bag to sack.At last, also can be used in combination above-mentioned clean method.
The particle that is comprised in the chamber of cleaning will be fallen in the closed bottom funnel that is arranged under the chamber, and after this be transported in the storage warehouse by valve etc. by means of pneumatic conveying or such as load modes such as carrier chain or other mechanical mode of movements.
Be used to clean filter bag and carry the known method of the particle of collecting that several shortcomings are arranged to silo from the bottom funnel.At first, all known systems all adopt the autonomous system that is used to clean filter bag and carries the particle of collecting from the bottom funnel to silo.For the filter bag in the cleaning chamber, each chamber must be equipped with the separate valves that is used to open and close the clean gas of leading to the chamber.In addition, after the sack of clean gas in passing the chamber of just being cleared up, it will comprise a large amount of particles, and for cleaning purpose, clean gas must turn back to filter.This can make more dust on the filter band.In addition, each bottom funnel all has the device that is used for carrying from funnel particle.And the device that is used for transmitting from the bottom funnel particle is very complicated, and need a lot of maintenance measures with avoid particle towards periphery environment leak.At last, also need to be used to clean filter bag and to carry each independent regulation and the control system of particle, thereby increased the complexity of filter from the bottom funnel.
Summary of the invention
The purpose of this invention is to provide a kind of device that is used for bag hose, described bag hose is used to clean the gas that comprises solid particle, and this device combines the cleaning of the filter bag conveying with the particle of collecting.This makes the control of filter and bag hose and the design of regulating system simplify greatly.
Therefore, the present invention relates to a kind of device that is used for bag hose, described bag hose is used to clean the gas that comprises solid particle, described filter comprises: at least two chambeies, each chamber comprises a plurality of filter bags, the below in each chamber is provided with the bottom funnel, and wherein distributor has and is used for the not import and the separate openings that links to each other with each bottom funnel of clean air; One is used at a time turn-offing being communicated with and opening the device of an outlet of distributor simultaneously of not clean air and one of distributor opening, and the opening of described distributor links to each other with each bottom funnel; A fan is used for cleaning those and has turn-offed the not filter bag in the chamber of clean air supply, and by swabbing action particle is transported in the silo that collecting granules uses by the outlet in the distributor simultaneously.
According to most preferred embodiment, distributor comprises a chamber with circular cross-section.Preferably taper of the bottom of distributor, and have opening to link to each other with each bottom funnel, described funnel are arranged on the circumference of tapering part of distributor, and export the bottom that is arranged on distributor.
Fan is preferably disposed on after silo filter, the cyclone etc., but also can be arranged between the outlet and silo filter of distributor.
Being used to turn-off not, the device of each open communication of clean air and distributor preferably includes a plate that is arranged on the distributor inboard, described distributor links to each other with the bottom funnel, described plate is arranged on the vertical axes rotationally, and described axle extends to the below, bottom of distributor.This plate has such shape and size, and promptly it turn-offs not being communicated with of clean air and one of them chamber, and simultaneously, its forms one from the bottom funnel in this chamber open channels through the distributor outlet.The axle that links to each other with plate can be by rotations such as motors.Pass through turning cylinder, described plate can move to next opening on the sidewall of distributor from an opening, thereby turn-off being communicated with of not clean air of each chamber and supply, these have turn-offed the chamber that is communicated with the not clean air of being supplied and have opened towards the outlet of distributor simultaneously.Like this, these have turn-offed the chamber that is communicated with the not clean air of being supplied and have removed the particle that is trapped on the filter bag, and fan will be by the clean gas of bag suction, make the particle of delay fall into the bottom funnel of below, chamber, after this, these particles are transported to the silo that is used for storage granules by the outlet of distributor.
Like this, by the present invention, by means of rotating described device, the conveying of the cleaning of filter bag and delay particle all has been subjected to control, and described device is used for turn-offing each opening of the distributor that is communicated with the not clean air of being supplied.
According to another embodiment of the invention, the chamber of bag hose is the mutual contiguous part that is provided with, and distributor is arranged on the central authorities of bag hose, and each bottom funnel directly links to each other with the opening of distributor, with the gas that does not clean to the chamber supply.This set has constituted very compact filter, does not need very big space and be easy to safeguard.In addition, filter can be divided into a plurality of chambeies, makes that after a chamber was cleaned, less load was born in remaining chamber.
By the present invention, in the cleaning course of filter bag, avoided the circulation of collecting granules.In this manner, reduced the load of filter.In addition, the bottom funnel is less than traditional funnel, because the collecting granules of carrying from the bottom funnel is along with more substantial relatively gas is carried.
By the present invention, can greatly simplify the design of filter, be used for having supplied each separate valves of clean gas because no longer need to each chamber.In addition, need because they exchange with simple pipeline connecting device, not be used for the outlet of bottom funnel is linked to each other with distributor from the conveying device of each bottom funnel.
By distributor is combined with this device and in each chamber the bottom funnel outlet link to each other with distributor, in the bag hose that device of the present invention can be used for having existed.
The accompanying drawing summary
Fig. 1 has represented the vertical view of bag hose of the present invention;
Fig. 2 has represented along the filter that I among Fig. 1-the I line is vertically cut open;
Fig. 3 has represented to have the vertical view of the filter of the present invention of traditional filter screen; With
Fig. 4 has represented along the sectional view that II among Fig. 3-the II line is vertically cut open.
Detailed Description Of The Invention
Fig. 1 and Fig. 2 have represented a bag hose, and it comprises a plurality of chambeies 1, and described each chamber includes a plurality of filter bags 2.Filter chamber 1 is the traditional design form.Each chamber includes a bottom funnel 3, the preferably taper of this funnel 3.
Be provided with between each chamber 1 and be used for distributing not clean air and the distributor 4 that is used to carry collecting granules to chamber 1.At least the bottom of distributor 4 is tapers.The upper end of distributor 4 has an import 5, is used to supply the not gas of cleaning.The tapered lower portion of distributor 4 is provided with opening 6, and they link to each other with bottom funnel 3 in the chamber 1 by pipeline 7.There is outlet 8 lower end of distributor 4, and it links to each other with silo 10 by pipeline 9, and described silo 10 is used for storing the particle of removing from gas.In addition, also be provided with the fan 11 that links to each other with pipeline 9.The provided upstream of fan 11 is equipped with silo filter or a cyclone 12.Except import 5 being arranged on the upper end of distributor and will exporting 8 lower ends that are arranged on distributor, import 5 also can be arranged on the lower end of distributor, and exports 8 upper ends that can be arranged on distributor.
In distributor 4, also be provided with closing and device for opening 13 of a rotation, it is used at a time closing and is used for supplying not one of them opening 6 of clean air to chamber 1.This device 13 comprises that one is used at a time closing and is used for supplying the not plate 14 of one of them opening 6 of clean air to chamber 1.This plate 14 can rotate around axle 15 by a motor etc. 16.Plate 14 is designed to like this, promptly enters when making plate 14 close one of them outlet position of 6 when device 13, and this outlet 6 will be connected with the outlet 8 of distributor 4 bottoms.
The described device of the application of the invention, device 13 can be in such position, i.e. and the import 5 of distributor 4 communicates with other all openings 6 except that an opening.Therefore, the gas that does not clean will be supplied to other all chambeies 1 except that a chamber.Thereby make not clean air inflow chamber 1 and pass filter bag 2.The solid particle that comprises in the gas will be trapped in the inboard of filter bag.In the time will removing the delay particle in one of them chamber 1, device 13 rotates to a position, that is: plate 14 is closed be used for to the not opening 6 of the gas of cleaning of chamber 1 supply that is cleaned.Fan 11 in the pipeline 9 will form low pressure in chamber 1, described pipeline 9 links to each other with the outlet at bottom 8 of the distributor that has silo 10, and described chamber 1 is closed and can not be supplied to not clean air.The pressure of this reduction will make the particle that is detained on the filter bag surface fall into bottom funnel 3, and particle will be transported to silo rapidly.After having cleaned filter bag and having carried particle, device 13 rotates to and makes clean air not be supplied to the position in the chamber 1 that has been cleaned once more, simultaneously, the opening 6 in next chamber 1 is closed and can not be supplied to not clean air, and this opening 6 is opened and is used to clean filter bag and carries particle.This process repeats with predetermined interval.
Fig. 3 and Fig. 4 have represented the second embodiment of the present invention.
Fig. 3 and Fig. 4 have represented the bag hose of rectangle.This filter is divided into a plurality of chambeies 50.Be provided with conical hopper 51 below chamber 50, by means of the partition wall 52 of inside, this funnel 51 is divided into the used bottom funnel 53 in each chamber 50.Bottom center at conical hopper 51 is provided with and top identic distributor 54 illustrated in figures 1 and 2.The top of this distributor 54 has one and is used for the not gas feed 55 of clean air, and the tapered lower portion of distributor 54 has the opening 56 that funnel 53 directly communicates bottom each respectively.In the inside of distributor 54, be provided with one and close rotationally and device for opening 57, be used for closing continuously and opening each and supply the not opening 56 of clean air to chamber 1.Device 57 has and the identical form of device 13 among the embodiment illustrated in figures 1 and 2.Distributor 54 is to work with Fig. 1 and the described identic mode of Fig. 2.
Claims (4)
1. device that is used for bag hose, described bag hose is used to clean the gas that comprises solid particle, and described filter comprises: at least two chambeies (1), each chamber comprise a plurality of filter bags (2), the below in each chamber (1) is provided with bottom funnel (3,53), it is characterized in that distributor (4,54) have and be used for the not import (5 of clean air, 55) and the separate openings (6,56) that links to each other with each bottom funnel (3,53); One is used at a time turn-offing not clean air and distributor (13,57) device (13,57) of an outlet (8) of distributor is also opened in the connection of one of them opening (6,56) simultaneously, described distributor and each bottom funnel (3,53) link to each other; A fan (11) is used for cleaning those and has turn-offed the not filter bag (2) in the chamber (1) of clean air supply, and by swabbing action particle is transported in the silo (10) that collecting granules uses by the outlet (8) in the distributor (4,54) simultaneously.
2. device as claimed in claim 1 is characterized in that, distributor (4,54) comprises a chamber with circular cross-section.
3. device as claimed in claim 2 is characterized in that, distributor (4,54) bottom is taper, and has opening (6,56) and each bottom funnel (3,53) link to each other, described funnel is arranged on the circumference of tapering part of distributor (4,54).
4. device as claimed in claim 1, it is characterized in that, be used to turn-off not clean air and distributor (4,54) each opening (6,56) device (13 of Lian Tonging, 57) comprise that is arranged on a distributor (4,54) Nei Bu plate (14), described distributor and bottom funnel (3,53) link to each other, described plate (14) is arranged on the vertical axes (15) rotationally, and described axle extends to distributor (4,54) below, bottom, described plate (14) has such shape and size, that is: it turn-offs not being communicated with of clean air and one of them chamber (1), simultaneously, it forms an open channels that exports (8) from the bottom funnel (3,53) of this chamber (1) through distributor.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NO961735A NO302018B1 (en) | 1996-04-29 | 1996-04-29 | Device for bag filter |
| NO961735 | 1996-04-29 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1216936A true CN1216936A (en) | 1999-05-19 |
| CN1076209C CN1076209C (en) | 2001-12-19 |
Family
ID=19899320
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN97194178A Expired - Lifetime CN1076209C (en) | 1996-04-29 | 1997-04-03 | Device for bag house filter |
Country Status (7)
| Country | Link |
|---|---|
| CN (1) | CN1076209C (en) |
| BR (1) | BR9708876A (en) |
| CZ (1) | CZ289149B6 (en) |
| NO (1) | NO302018B1 (en) |
| RU (1) | RU2155630C2 (en) |
| WO (1) | WO1997040916A1 (en) |
| ZA (1) | ZA973118B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102241384A (en) * | 2010-05-10 | 2011-11-16 | 钱雷 | Deformable self cleaning tunnel |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NO305688B1 (en) * | 1997-12-04 | 1999-07-12 | Elkem Materials | Procedure for controlling purge pressure in bag filter |
| FI104958B (en) | 1998-09-30 | 2000-05-15 | Parker Hannifin Oy | Continuous filtration method and apparatus |
| EP2796533A1 (en) * | 2013-04-25 | 2014-10-29 | Danieli Corus BV | System and method for conditioning particulate matter |
| CN106524798B (en) * | 2016-11-23 | 2018-08-03 | 威海市远大电器制造有限公司 | A kind of plate heat exchanger |
| CN109621582A (en) * | 2019-01-15 | 2019-04-16 | 袁家和 | A kind of industrial production exhaust gas purification and treatment device |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3332218A (en) * | 1964-02-27 | 1967-07-25 | American Air Filter Co | Dust collector apparatus |
| US3854910A (en) * | 1972-09-21 | 1974-12-17 | P Hammerquist | Apparatus for removing particles from an airstream |
| NO175738C (en) * | 1992-01-16 | 1995-05-04 | Ola Rindal | Method and apparatus for cloth cleaning in bag filters |
-
1996
- 1996-04-29 NO NO961735A patent/NO302018B1/en not_active IP Right Cessation
-
1997
- 1997-04-03 CN CN97194178A patent/CN1076209C/en not_active Expired - Lifetime
- 1997-04-03 BR BR9708876A patent/BR9708876A/en not_active Application Discontinuation
- 1997-04-03 WO PCT/NO1997/000089 patent/WO1997040916A1/en active IP Right Grant
- 1997-04-03 RU RU98121502/12A patent/RU2155630C2/en active
- 1997-04-03 CZ CZ19983453A patent/CZ289149B6/en not_active IP Right Cessation
- 1997-04-11 ZA ZA973118A patent/ZA973118B/en unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102241384A (en) * | 2010-05-10 | 2011-11-16 | 钱雷 | Deformable self cleaning tunnel |
Also Published As
| Publication number | Publication date |
|---|---|
| RU2155630C2 (en) | 2000-09-10 |
| NO302018B1 (en) | 1998-01-12 |
| NO961735D0 (en) | 1996-04-29 |
| ZA973118B (en) | 1998-10-12 |
| WO1997040916A1 (en) | 1997-11-06 |
| CZ345398A3 (en) | 1999-03-17 |
| BR9708876A (en) | 1999-08-03 |
| CZ289149B6 (en) | 2001-11-14 |
| NO961735L (en) | 1997-10-30 |
| CN1076209C (en) | 2001-12-19 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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 | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20011219 |