CN105664600A - Filter unit - Google Patents
Filter unit Download PDFInfo
- Publication number
- CN105664600A CN105664600A CN201610022071.0A CN201610022071A CN105664600A CN 105664600 A CN105664600 A CN 105664600A CN 201610022071 A CN201610022071 A CN 201610022071A CN 105664600 A CN105664600 A CN 105664600A
- Authority
- CN
- China
- Prior art keywords
- filtering material
- moving link
- defecator
- link
- filtered
- 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.)
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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
- B01D46/66—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
- B01D46/71—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 with pressurised gas, e.g. pulsed air
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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
- B01D46/0002—Casings; Housings; Frame constructions
-
- 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
- B01D46/24—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
- B01D46/2403—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies characterised by the physical shape or structure of the filtering element
- B01D46/2411—Filter cartridges
-
- 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
-
- 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
- B01D46/68—Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements
- B01D46/681—Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements by scrapers, brushes or the like
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2271/00—Sealings for filters specially adapted for separating dispersed particles from gases or vapours
- B01D2271/02—Gaskets, sealings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2275/00—Filter media structures for filters specially adapted for separating dispersed particles from gases or vapours
- B01D2275/20—Shape of filtering material
Abstract
The invention relates to a filter unit. The filter unit comprises a front part and a rear part which are respectively positioned at two sides of a filter material. During filtration, a medium to be filtrated passes through the filter material from the front part and moves towards the rear part, and an isolated filtered material is left on a filtering surface. During regeneration of the filter material, a recoil medium passes through the filter material from the rear part and moves towards the front part, and at least part of the filtered material is peeled off from the filtering surface. An auxiliary regeneration mechanism of the filter material is arranged between the front part and the rear part. The auxiliary regeneration mechanism comprises a first moving member which is positioned at the rear part and driven by the recoil medium and a second moving member which is positioned at the front part and is in drive joint with the first moving member. The second moving member has a work part which applies mechanical force on the filtered material on the filtering surface. The filter unit has a simple structure, can be driven by the recoil medium to mechanically remove dust so as to efficiently combine recoil dust removal and mechanical dust removal, has a good filter cake removal effect, and can make the filter material to operate stably for a long time.
Description
Technical field
The present invention relates to a kind of defecator, specifically a kind of defecator that can carry out mechanical ash removing under the driving of backflushing medium.
Background technology
In the purification process of defecator, for instance in gas filtration process, the filtered thing such as dust, particulate matter is easily deposited on filtering surface and forms filter cake, thus having a strong impact on filter effect. In order to solve the problems referred to above, carry out purging deashing to filtering material frequently with the back-blowing dust removing device being connected with purge gas at present. But in actual industrial production; such as, in the smoke filtration process that dustiness is higher; the filtered thing such as dust, particulate matter filter cake of formation of deposits on filtering surface is generally thicker; only rely on above-mentioned back-blowing dust removing device and carry out reverse gas cleaning effect extreme difference, be accomplished by shutdown every a period of time and carry out artificial deashing work.
Summary of the invention
The technical problem to be solved is in that to provide a kind of simple in construction, it is possible to carry out the defecator of mechanical ash removing under the driving of backflushing medium.
The defecator of the present invention, including the front and rear laying respectively at filtering material both sides, during filtration, medium to be filtered posteriorly moves from front portion by filtering material and leaves isolated filtered thing on filtering surface, during filtering material regeneration, backflushing medium is anteriorly moved by filtering material from rear portion and peels off to the filtered thing of major general's part from filtering surface, the assisted Regeneration mechanism of filtering material it is provided with between described front portion and rear portion, this assisted Regeneration mechanism includes being positioned at rear portion the first moving link driven by backflushing medium and being positioned at front portion the second moving link being in transmission connection with the first moving link, described second moving link has the work portion that the filtered thing on filtering surface applies mechanicals efforts.
Described assisted Regeneration mechanism is without influence on the normal filtration of filtering material, and during filtering material regeneration, available backflushing medium drives assisted Regeneration mechanism as power source, the first moving link is made to drive the work portion of the second moving link to carry out mechanical ash removing, this mode by recoil deashing and the ingenious combination of mechanical ash removing can greatly save the energy, and the effect of online efficiently recoil deashing and mechanical ash removing can be played, can better remove filter cake, enable filtering material steadily to operate for a long time.Wherein, described second moving link can be existing mechanical type ash-clearing structure, and described work portion can be that existing ash of scraping is brushed or scrapes grid.
Further, described filtering material is in a cylindrical shape, when the mode gone out in entering beyond filtering material is filtered, described first moving link is located at inside filtering material, it it is now described rear portion inside filtering material, entering the mode gone out within filtering material when being filtered, described first moving link is located at the outside of filtering material, is now described rear portion outside filtering material. The difference of the filter type according to filtering material, the position of the first moving link can be adjusted accordingly, so that first moving link that simultaneously drives that backflushing medium is filtered material regeneration drives the work portion motion of the second moving link that the filtered thing on filtering surface is applied mechanicals efforts.
Under backflushing medium drives, the first moving link drives the work portion of the second moving link, along the filtering surface reciprocating motion of filtering material, the filtered thing on filtering surface is applied mechanicals efforts. By being in transmission connection of the first moving link and the second moving link, by the reciprocating machine motion that recoil power-conversion is the second moving link, thus playing efficient mechanical ash removing effect. First moving link and the second moving link can pass through existing leading screw etc. and realize being in transmission connection. When filtering material is tubular, backflushing medium can be made to drive the first moving link to drive the work portion of the second moving link along the axially-movable of filtering material or the axially-movable being perpendicular to filtering material, and namely described first moving link can be located on the cross section of tubular filtering material or arrange along the side face of filtering material.
Further, described assisted Regeneration mechanism also includes the spring to the first moving link applying restoring force. Utilize spring as the auxiliary body controlling the first moving link motion, it is possible to playing the effect of buffering, it is to avoid when power is bigger, the first moving link strikes filtering material and makes filtering material damage.
Concrete, described spring is positioned at rear portion, and the two ends of spring connect the first moving link and filtering material, convenient installation and making respectively.
In gas filtration process, described backflushing medium is blowback air-flow, and described blowback air-flow is by common back-blowing dust removing device output. The power that filtering material is carried out purging deashing by the back-blowing dust removing device being connected with blowback air-flow is utilized to drive the first moving link, thus driving the work portion of the second moving link to move, need not additionally increase the actuating unit driving the second moving link, just the mechanical ash removing of the reverse gas cleaning of back-blowing dust removing device and work portion is combined cleverly so that ash-removal effect is better.
Preferably, described first moving link is piston plate, is connected by drive link between described piston plate and the second moving link. By drive link, piston plate and the second moving link are in transmission connection, under not affecting the premise of normal filtration of filtering material, should ensure that backflushing medium is bigger to the acting surface of piston plate as far as possible, namely piston plate should have cross-sectional area big as far as possible, thus increasing piston plate to drive the power of the second moving link.
Preferably, when described filtering material is in a cylindrical shape, owing to backflushing medium is maximum at the recoil power axially of filtering material, therefore can described piston plate be located on the cross section of filtering material inner chamber, axially arranged along filtering material of drive link, under the driving of backflushing medium, piston plate drives the work portion axially reciprocating along filtering material of the second moving link by drive link, such structure can improve transmission efficiency, when the power that recoils is certain, the filtered thing on filtering surface can be applied bigger mechanicals efforts by work portion.
Further, described filtering material is provided with mean for the perforate through rear connection the second moving link of the described drive link, sealing structure it is provided with, to avoid medium to be filtered to enter rear portion then directly discharge from the gap filtered between drive link and filtering material between described drive link and filtering material.Between described drive link and filtering material except adopting sealing structure and sealing, also can adopt and be slidably matched.
Preferably, described sealing structure includes the location structure coordinated with described perforate, and the securing member coordinated with described location structure, described location structure has the flange being positioned at rear portion, and it is connected and through after described perforate the cervical region with described appended claims with described flange, flange and cervical region have the through hole adapted with drive link, are provided with gasket seal between flange and filtering material, and the inwall of described cervical region is provided with the sealing ring fitted tightly with drive link. Adopting this sealing structure to be possible not only to reach the effect of dual-seal, be also convenient for the connection between drive link and filtering material and install, the location structure with flange and cervical region can improve connection reliability further with appended claims locking, improves structural strength. Additionally, described sealing structure can be valve seal letter or elastic sealing element etc.
The defecator of the present invention, simple in construction, it is possible to carry out mechanical ash removing under the driving of backflushing medium, thus recoil deashing and mechanical ash removing being combined efficiently, there is good filter cake elimination effect, making filtering material steadily to operate for a long time.
Below in conjunction with the detailed description of the invention of embodiment, the foregoing of the present invention is described in further detail again. But this should not being interpreted as, the scope of the above-mentioned theme of the present invention is only limitted to Examples below. Without departing from the idea case in the present invention described above, the various replacements made according to ordinary skill knowledge and customary means or change, all should be included within the scope of the invention.
Accompanying drawing explanation
Fig. 1 is the structural representation of the defecator of the present invention.
Fig. 2 is the enlarged diagram at A place in Fig. 1.
Detailed description of the invention
Defecator as depicted in figs. 1 and 2, including the front and rear laying respectively at filtering material 1 both sides, during filtration, medium to be filtered posteriorly moves from front portion by filtering material 1 and leaves isolated filtered thing on filtering surface, when filtering material 1 regenerates, backflushing medium is anteriorly moved by filtering material 1 from rear portion and peels off to the filtered thing of major general's part from filtering surface, the assisted Regeneration mechanism of filtering material 1 it is provided with between described front portion and rear portion, this assisted Regeneration mechanism includes being positioned at rear portion the first moving link driven by backflushing medium and being positioned at front portion the second moving link being in transmission connection with the first moving link, described second moving link has the work portion 2 that the filtered thing on filtering surface applies mechanicals efforts.
Described filtering material 1 is in a cylindrical shape, when the mode gone out in entering beyond filtering material 1 is filtered, described first moving link is located at inside filtering material 1, it it is now described rear portion inside filtering material 1, the mode gone out is entered when being filtered within filtering material 1, described first moving link is located at the outside of filtering material 1, is now described rear portion outside filtering material 1. The mode gone out in entering beyond filtering material 1 in the present embodiment is filtered, and enters the form gone out and be filtered first moving link that simultaneously drives of material 1 regeneration and drive the work portion 2 of the second moving link to move and the filtered thing on filtering surface is applied mechanicals efforts within backflushing medium. Described first moving link is piston plate 3, is connected by drive link 4 between described piston plate 3 and the second moving link. By drive link 4, piston plate 3 and the second moving link are in transmission connection, under not affecting the premise of normal filtration of filtering material 1, should ensure that backflushing medium is bigger to the acting surface of piston plate 3 as far as possible, namely piston plate 3 should have cross-sectional area big as far as possible, thus increasing piston plate 3 to drive the power of the second moving link.Owing to backflushing medium is maximum at the recoil power axially of filtering material 1, therefore can described piston plate 3 be located on the cross section of filtering material 1 inner chamber, drive link 4 is axially arranged along filtering material 1, under the driving of backflushing medium, piston plate 3 drives the work portion 2 axially reciprocating along filtering material 1 of the second moving link by drive link 4, such structure can improve transmission efficiency, when the power that recoils is certain, the filtered thing on filtering surface can be applied bigger mechanicals efforts by work portion 2. The length of described drive link 4 should be suitable for, it is ensured that has bigger axial activity space when drive link 4 drives work portion 2 along filtering material 1 axially reciprocating, plays better filter cake elimination effect. Described filtering material 1 is provided with mean for the perforate through rear connection the second moving link of the described drive link 4, it is provided with sealing structure, to avoid medium to be filtered to enter rear portion then directly discharge from the gap filtered between drive link 4 and filtering material 1 between described drive link 4 and filtering material 1. Described sealing structure includes the location structure 6 coordinated with described perforate, and the securing member 7 coordinated with described location structure 6, described location structure 6 has the flange being positioned at rear portion, and the cervical region coordinated after described perforate it is connected and through with described securing member 7 with described flange, flange and cervical region have the through hole adapted with drive link 4, being provided with gasket seal 8 between flange and filtering material 1, the inwall of described cervical region is provided with the sealing ring 9 fitted tightly with drive link 4. This sealing structure is adopted to be possible not only to reach the effect of dual-seal, it is also convenient for the connection between drive link 4 and filtering material 1 to install, location structure 6 and the securing member 7 with flange and cervical region lock and can improve connection reliability further, improve structural strength. Described assisted Regeneration mechanism also includes the spring 5 applying restoring force to piston plate 3. Utilize spring 5 as the auxiliary body controlling piston plate 3 motion, it is possible to playing the effect of buffering, it is to avoid when power is bigger, the first moving link strikes filtering material 1 and makes filtering material 1 damage. Described spring 5 can be sheathed on being provided at circumferentially spaced on drive link 4 or along drive link 4, and the two ends of spring 5 connect piston plate 3 and filtering material 1 respectively.
Described backflushing medium is blowback air-flow, and described blowback air-flow is exported by common back-blowing dust removing device 10. When blowback air-flow from enter tubular filtering material 1 inner chamber after, driving lower piston plate 3 at blowback air-flow compresses spring 5, and make drive link 4 drive the work portion 2 of the second moving link to move along the filtering surface of filtering material 1 and the filtered thing on filtering surface applies mechanicals efforts, thus removing filter cake, after blowback, spring 5 resets. So, not only do not affect the normal filtration of filtering material 1, it is not necessary to the extra actuating unit increasing and driving work portion 2, just the mechanical ash removing of the reverse gas cleaning of back-blowing dust removing device 10 and assisted Regeneration mechanism is combined cleverly, the energy can greatly be saved, and the effect of online high-efficient reverse blowing deashing and mechanical ash removing can be played, thicker filter cake also can be played good elimination effect.
Above-mentioned second moving link is existing mechanical type ash-clearing structure, and described work portion 2 can be that existing ash of scraping is brushed or scrapes grid.
Claims (10)
1. defecator, including the front and rear laying respectively at filtering material (1) both sides, during filtration, medium to be filtered posteriorly moves from front portion by filtering material (1) and leaves isolated filtered thing on filtering surface, during filtering material (1) regeneration, backflushing medium is anteriorly moved by filtering material (1) from rear portion and peels off to the filtered thing of major general's part from filtering surface, it is characterized in that: between described front portion and rear portion, be provided with the assisted Regeneration mechanism of filtering material (1), this assisted Regeneration mechanism includes being positioned at rear portion the first moving link driven by backflushing medium and being positioned at front portion the second moving link being in transmission connection with the first moving link, described second moving link has the work portion (2) that the filtered thing on filtering surface applies mechanicals efforts.
2. defecator as claimed in claim 1, it is characterized in that described filtering material (1) is in a cylindrical shape, when the mode gone out in entering beyond filtering material (1) is filtered, described first moving link is located at filtering material (1) inner side, entering the mode gone out within filtering material (1) when being filtered, described first moving link is located at the outside of filtering material (1).
3. defecator as claimed in claim 1, it is characterized in that under backflushing medium drives, described first moving link drives the work portion (2) of the second moving link, along the filtering surface reciprocating motion of filtering material (1), the filtered thing on filtering surface is applied mechanicals efforts.
4. defecator as claimed in claim 1, it is characterised in that described assisted Regeneration mechanism also includes the spring (5) applying restoring force to the first moving link.
5. defecator as claimed in claim 4, it is characterised in that described spring (5) is positioned at rear portion, and the two ends of spring (5) connect the first moving link and filtering material (1) respectively.
6. defecator as claimed in claim 1, it is characterised in that described backflushing medium is blowback air-flow, and described blowback air-flow is exported by back-blowing dust removing device (10).
7. the defecator as described in one of claim 1 to 6, it is characterised in that described first moving link is piston plate (3), is connected by drive link (4) between described piston plate (3) and the second moving link.
8. defecator as claimed in claim 7, it is characterized in that the perforate being provided with mean for described drive link (4) on described filtering material (1) through rear connection the second moving link, between described drive link (4) and filtering material (1), be provided with sealing structure.
9. defecator as claimed in claim 8, it is characterized in that described sealing structure includes the location structure (6) coordinated with described perforate, and the securing member (7) coordinated with described location structure (6), described location structure (6) has the flange being positioned at rear portion, and the cervical region coordinated after described perforate it is connected and through with described securing member (7) with described flange, flange and cervical region have the through hole adapted with drive link (4), gasket seal (8) it is provided with between flange and filtering material (1), the inwall of described cervical region is provided with the sealing ring (9) fitted tightly with drive link (4).
10. the defecator as described in one of claim 1 to 6, it is characterised in that described second moving link is mechanical type ash-clearing structure, described work portion (2) is for scraping ash brush or scraping grid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610022071.0A CN105664600B (en) | 2016-01-13 | 2016-01-13 | Filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610022071.0A CN105664600B (en) | 2016-01-13 | 2016-01-13 | Filter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105664600A true CN105664600A (en) | 2016-06-15 |
| CN105664600B CN105664600B (en) | 2017-10-03 |
Family
ID=56300460
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610022071.0A Active CN105664600B (en) | 2016-01-13 | 2016-01-13 | Filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105664600B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106237750A (en) * | 2016-09-13 | 2016-12-21 | 南昌大学 | A kind of inward flow filtration-type filter element jet entrainment deashing device |
| CN112206602A (en) * | 2020-10-23 | 2021-01-12 | 赵静 | High pulse dust collector of security |
| CN114345024A (en) * | 2021-12-14 | 2022-04-15 | 江苏欧能机械制造有限公司 | Full-automatic dust discharging and sealing device of pulse bag-type dust collector |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0552454A2 (en) * | 1992-01-07 | 1993-07-28 | Bühler Ag | Apparatus for cleaning the filtering elements of a filter |
| CN201445872U (en) * | 2009-04-30 | 2010-05-05 | 南京盛唐电力控制系统有限公司 | On-line filter for automatically removing ash |
| CN104492186A (en) * | 2014-12-22 | 2015-04-08 | 湖南凌峰环保科技有限公司 | Thread engagement type double-layer combined dedusting cloth bag and production process thereof |
| CN104922995A (en) * | 2015-05-25 | 2015-09-23 | 中材节能（武汉）有限公司 | Cloth bag deashing device and deduster |
| CN204767881U (en) * | 2015-06-30 | 2015-11-18 | 成都易态科技有限公司 | But controlled filter component filter cake thickness's filter equipment |
-
2016
- 2016-01-13 CN CN201610022071.0A patent/CN105664600B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0552454A2 (en) * | 1992-01-07 | 1993-07-28 | Bühler Ag | Apparatus for cleaning the filtering elements of a filter |
| CN201445872U (en) * | 2009-04-30 | 2010-05-05 | 南京盛唐电力控制系统有限公司 | On-line filter for automatically removing ash |
| CN104492186A (en) * | 2014-12-22 | 2015-04-08 | 湖南凌峰环保科技有限公司 | Thread engagement type double-layer combined dedusting cloth bag and production process thereof |
| CN104922995A (en) * | 2015-05-25 | 2015-09-23 | 中材节能（武汉）有限公司 | Cloth bag deashing device and deduster |
| CN204767881U (en) * | 2015-06-30 | 2015-11-18 | 成都易态科技有限公司 | But controlled filter component filter cake thickness's filter equipment |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106237750A (en) * | 2016-09-13 | 2016-12-21 | 南昌大学 | A kind of inward flow filtration-type filter element jet entrainment deashing device |
| CN106237750B (en) * | 2016-09-13 | 2018-07-20 | 南昌大学 | A kind of inward flow filtration-type filter core jet entrainment deashing device |
| CN112206602A (en) * | 2020-10-23 | 2021-01-12 | 赵静 | High pulse dust collector of security |
| CN112206602B (en) * | 2020-10-23 | 2022-03-18 | 威尔登环保设备（长沙）有限公司 | High pulse dust collector of security |
| CN114345024A (en) * | 2021-12-14 | 2022-04-15 | 江苏欧能机械制造有限公司 | Full-automatic dust discharging and sealing device of pulse bag-type dust collector |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105664600B (en) | 2017-10-03 |
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