CN108079695A - A kind of reverse dust-extraction unit - Google Patents

A kind of reverse dust-extraction unit Download PDF

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Publication number
CN108079695A
CN108079695A CN201711368832.9A CN201711368832A CN108079695A CN 108079695 A CN108079695 A CN 108079695A CN 201711368832 A CN201711368832 A CN 201711368832A CN 108079695 A CN108079695 A CN 108079695A
Authority
CN
China
Prior art keywords
dust
inlet pipe
pressure
air inlet
extraction unit
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.)
Pending
Application number
CN201711368832.9A
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Chinese (zh)
Inventor
李金栋
李佳
王丽军
Original Assignee
李金栋
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 李金栋 filed Critical 李金栋
Priority to CN201711368832.9A priority Critical patent/CN108079695A/en
Publication of CN108079695A publication Critical patent/CN108079695A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/24Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
    • B01D46/2403Particle separators, e.g. dust precipitators, using rigid hollow filter bodies characterised by the physical shape or structure of the filtering element
    • B01D46/2411Filter cartridges
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/56Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition
    • B01D46/62Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition connected in series
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/66Regeneration of the filtering material or filter elements inside the filter
    • B01D46/70Regeneration 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
    • B01D46/71Regeneration 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

Abstract

A kind of reverse dust-extraction unit, including housing, dust laden air import and clean air outlet are set on housing, filter cylinder is fixed in housing, the barrel of filter cylinder is machined with the duct for air circulation, and reverse dust-extraction unit further includes back pressure type filter cylinder cleaning member, back pressure type filter cylinder cleaning member includes movable portable dedusting air inlet pipe, portable dedusting air inlet pipe and back-pressure chamber, the end of back-pressure chamber are slidably connected the cylinder inboard wall of the filter cylinder, and the pressure in back-pressure chamber is P1, the in vivo pressure of shell is P2, P1>P2.This dust-extraction unit is equipped with continuous back-pressure dust removal component, the removal that the component is moved or rotated accumulates in the impurity such as the dust on filter cylinder, it avoids because filter efficiency is low, effect is poor caused by accumulation of impurities the phenomenon that, has the advantages that simple in structure, good filtration effect, implementation cost are low.

Description

A kind of reverse dust-extraction unit
Technical field
The present invention relates to dedusting technical fields, and inversely removing for filter screen cleaning is completed by pressure difference more particularly, to a kind of Dirt device.
Background technology
Filter is the suspension positioned at one side under thrust(Or dusty gas)By porous media duct to Opposite side flows, and particle is retained by duct, realizes the component of fluid and particle lock out operation.Filter is in media filtration, tail gas The fields such as dedusting are widely used.
The particle of removal filter duct retention is a key points and difficulties problem in time, because with residual in duct The increase of grain, the filter efficiency and speed of filter will all decline.By taking air filter as an example, into internal compressed air Bulky grain solid impurity, liquid water droplets and oil droplet for being mixed with etc. are thrown in shell inner surface, are deposited to bottom under the effect of gravity Portion is discharged through manual or automatic water trap, and gas further removes solid particles by filter core, and clean air is from delivery outlet Output.As it can be seen that the solid particles filtered out from air is accumulated on filter core, when accumulating to a certain extent, filter core progress need to be taken out Cleaning or the filter core more renewed, this undoubtedly adds use cost.
To solve the problems, such as duct particle residue, high-voltage pulse type dedusting is widely used in the prior art, as shown in Figure 1, Pending dust laden air is delivered to from dust laden air import in housing, and purified air is under fan action from purification air Outwards conveying, the impurity filtered down are deposited in filter cylinder surface for outlet, and to clear up the partial impurities, dust-collecting air pipe is in pulse valve Control under, high-voltage pulse dedusting is carried out to filter cylinder surface, accumulation of impurities stripping from filter cylinder under waits collection in housing bottom Middle cleaning.The dedusting method is deposited in the impurity such as the dust on filter cylinder using gases at high pressure cleaning, and clears up thoroughly, but every one The section time just needs the components such as connection dust-collecting air pipe, complicated for operation, and can not achieve the continous way dedusting under filter cylinder working condition.
The content of the invention
It is an object of the invention to overcome shortcoming in the prior art, a kind of reverse dust-extraction unit, the device are provided First using work principle of filter cleaning dusty air, the impurity such as dust that secondly can be filtered out on continous way removal filter cylinder, and not Normal air filtration is influenced, effectively improves filter efficiency and speed, the technical solution adopted is that:A kind of reverse dedusting dress It puts, including housing, dust laden air import and clean air outlet is set on the housing, filter cylinder is fixed in the housing, it is described The barrel of filter cylinder is machined with the duct for air circulation, it is characterised in that:The reverse dust-extraction unit further includes back pressure type filter Cylinder cleaning member, the back pressure type filter cylinder cleaning member include movable portable dedusting air inlet pipe, the movable dedusting into Tracheae and back-pressure chamber, the end of the back-pressure chamber are slidably connected the cylinder inboard wall of the filter cylinder, the back-pressure chamber In pressure be P1, the in vivo pressure of shell is P2, P1>P2
The technical characteristic of the present invention also has:The movable dedusting air inlet pipe is portable dedusting air inlet pipe.
The technical characteristic of the present invention also has:It is empty that the high pressure being connected with high-pressure air tube is set in the movable type dedusting air inlet pipe Gas import.
The technical characteristic of the present invention also has:The movable type dedusting air inlet pipe connection moving assembly.
The technical characteristic of the present invention also has:The moving assembly include motor, the output axis connection retarder of the motor, The output shaft connection rotating crank of the retarder, articulated linkage on the turntable of the rotating crank, the other end of the connecting rod Hinged reverse type dedusting air inlet pipe.
The technical characteristic of the present invention also has:The moving assembly includes power cylinder, and the piston rod connection of the power cylinder moves Dynamic dedusting air inlet pipe.
The technical characteristic of the present invention also has:The movable dedusting air inlet pipe is rotary type dedusting air inlet pipe.
The technical characteristic of the present invention also has:It is empty that the high pressure being connected with high-pressure air tube is set in the rotary type dedusting air inlet pipe Gas import.
The technical characteristic of the present invention also has:The rotary type dedusting air inlet pipe connects runner assembly.
The technical characteristic of the present invention also has:The housing includes bottom case and the end cap being movably connected on the bottom case.
The beneficial effects of the present invention are:This dust-extraction unit be equipped with continuous back-pressure dust removal component, the component move or The removal of rotation accumulates in the impurity such as the dust on filter cylinder, avoids caused by accumulation of impurities that filter efficiency is low, effect is poor Phenomenon has the advantages that simple in structure, good filtration effect, implementation cost are low.
Description of the drawings
Attached drawing 1 is compartment dust-extraction unit structure diagram of the prior art, and attached drawing 2 is that movable type of the invention is inversely removed Dirt principle of device schematic diagram, attached drawing 3 are electronic mobile component structure diagrams, and attached drawing 4 is portable reverse dust-extraction unit industry To change and implement schematic diagram, attached drawing 5 is the reverse dust-extraction unit structure diagram of rotary type of the present invention, and attached drawing 6 is the A-A views of attached drawing 5, 1 is housing, and 1-1 is bottom case, and 1-2 is end cap, and 2 be dust laden air import, and 3 be clean air outlet, and 4 be filter cylinder, and 4-1 is cylinder Body, 4-2 are flanges, and 5 be dust-collecting air pipe, and 6 be portable dedusting air inlet pipe, and 7 be back-pressure chamber, and 8 be support plate, and 11 be electricity Machine, 12 be retarder, and 13 be rotating crank, and 14 be connecting rod, and 15 be pressure-air import, and 16 be dust mouth, and 17 be dirt control Valve, 18 be dust outlet tube road, and 21 be rotary type dedusting air inlet pipe, and 22 be sealing ring, and 23 be blowing slot, and 24 be axial flow blower.
Specific embodiment
Below in conjunction with the accompanying drawings, the specific embodiment of the present invention is illustrated.
Attached drawing 2- attached drawings 4 show the reverse dust-extraction unit of movable type of the present invention, which includes housing 1, and housing 1 can be by Bottom case 1-1 and end cap 1-2 compositions, end cap 1-2 are movably connected on bottom case 1-1.Dust laden air import 2 and purification are set on housing 1 Air outlet slit 3, dust laden air(Preferably dust-laden pressure-air)Enter through dust laden air import in housing 1, purified purification Air under fan action, outwards exports, and the position of clean air outlet 3 generally will height in pipeline from clean air outlet 3 In the purified treatment of dust laden air import 2, thus completion air.
Filter cylinder 4 is fixed in housing 1, the cylinder 4-1 of filter cylinder 4 is machined with the duct for air circulation, i.e. filter opening, works as dust-laden After air enters housing 1, air enters filter cylinder 4 through filter opening, and the accumulation of impurities such as dust filtered out on 4 surface of filter cylinder with And in filter opening.For air is caused to be conveyed according to above-mentioned route, support plate 8, the flange 4-2 of filter cylinder 4 are set in the present embodiment middle casing 1 On the inward flange for riding upon support plate 8, the dust filtering space of an opposing seal is formed with this.
To remove the impurity being attached on filter cylinder 4 in time, reverse dust-extraction unit further includes back pressure type filter cylinder cleaning member, instead Pressure type filter cylinder cleaning member includes portable dedusting air inlet pipe 6, sets what is be connected with high-pressure air tube in portable dedusting air inlet pipe 6 Pressure-air import 15, portable dedusting air inlet pipe 6 are connected with back-pressure chamber 7, and the end of back-pressure chamber 7 is slidably connected filter cylinder 4 Cylinder inboard wall, in this way, can be so that forming the space of an opposing seal in back-pressure chamber 7, pressure be P in the space1, housing The interior partial pressure in addition to back-pressure chamber 7 is P2, P1>P2, under back-pressure air effect, impurity or filter either in duct 4 surfaces of cylinder(Especially inner surface)On impurity, air can be cleaned and blown out to cylinder, and be deposited to 1 bottom of housing.
To move portable dedusting air inlet pipe 6, portable dedusting air inlet pipe 6 connects moving assembly.This moving assembly can For electrodynamic movable component, electrodynamic movable component includes motor 11, the output axis connection retarder 12 of motor 11, retarder 12 Output shaft connection rotating crank 13, articulated linkage 14 on the turntable of rotating crank 13, the hinged movable type of the other end of connecting rod 14 Dedusting air inlet pipe 6, finally under the drive of motor 11, portable dedusting air inlet pipe 6 moves up and down;This moving assembly can also be hydraulic pressure Formula or reverse type, moving assembly power come from power cylinder, the portable dedusting air inlet pipe 6 of piston rod connection of power cylinder.It moves Dynamic formula dedusting air inlet pipe 6 is under moving assembly drive, continuous moving, completion dedusting on filter cylinder cylinder inboard wall with certain speed.
1 profile of this housing can be various shapes, such as circular, square, rectangle, polygon etc..
The present apparatus also can be assembled into Multi-stage dust removing device, i.e., by the purified air of primary dust removing device through dust laden air into Mouth enters in the housing of two-stage dust removal device that purified treatment, such multiple purified treatment are net to obtain better air again Change treatment effect.
It is industrializing implementation example of the present invention described in attached drawing 4, multigroup filter cylinder 4, multigroup filter cylinder is installed simultaneously in a housing 1 4 share a set of moving assembly, i.e., can give multigroup 4 back-pressure dedusting of filter cylinder simultaneously with the hinged portable dedusting air inlet pipe 6 of connecting rod 14 Purification supplies, to realize the purposes of large industrialized air purification.Dust mouth 16 is set in the bottom of housing 1, opens out dirt control The impurity such as valve 17 processed, dust are discharged through cleaning shaft 18.
Attached drawing 5 and attached drawing 6 show the reverse dust-extraction unit of rotary type of the present invention, which includes housing 1, in housing 1 If filter cylinder 4, filter cylinder 4 can be in any way fixed in housing 1, and dust laden air import 2 and clean air outlet 3 are set on housing 1, Axial flow blower 24 is set on the pipeline being connected with clean air outlet 3, under the effect of axial flow blower 24, is led in dust laden air import 2 The dust laden air entered is discharged after filter cylinder 4 filters purified treatment from clean air outlet 3 through pipeline.
To clear up the impurity such as the dust being attached on filter cylinder 4 in time, the present apparatus sets back pressure type filter cylinder cleaning member, the portion Part includes rotary type dedusting air inlet pipe 21, set in rotary type dedusting air inlet pipe 21 pressure-air that is connected with high-pressure air tube into Mouthful, rotary type dedusting air inlet pipe 21 connects with back-pressure chamber 7, and the end of back-pressure chamber 7 is slidably connected the cylinder inboard wall of filter cylinder 4, In this way, can be so that forming the space of an opposing seal in back-pressure chamber 7, pressure is P in the space1, housing 1 is interior to remove back pressure chamber Partial pressure outside room 7 is P2, P1>P2, under back-pressure air effect, either in duct 4 surface of impurity or filter cylinder(Especially It is inner surface)On impurity, air can be cleaned and blown out to cylinder, and be deposited to 1 bottom of housing.
To realize the rotation of rotary type dedusting air inlet pipe 21, the present embodiment is by rotary type dedusting air inlet pipe 21 and retarder 12 Output axis connection, motor 11 shaft connection retarder 12 input block, in this way, motor 11 drive under, retarder 12 Output shaft rotate, and then realize the rotation of rotary type dedusting air inlet pipe 21, certainly, the driving of motor 11 also can be used directly and rotate Formula dedusting air inlet pipe 21 realizes the rotation of dedusting air inlet pipe 21.
Attached drawing 6 show the A-A views of attached drawing 5, three back-pressure chambers 7 at sustained height with rotary type dedusting air inlet pipe 21 connections, to improve the efficiency of dust collection in rotating, certainly as needed, or other quantity.
The present apparatus multistage can also use, i.e., by the dust laden air import of the present apparatus of next stage and the purification air of upper level Outlet connection, through upper level device, treated that air carries out purified treatment again through next stage, to improve air purification degree.
It, can be in dedusting air inlet to obtain the necessary pressure of back-pressure chamber 7 in above-mentioned rotary type or mobile type dust collector Increase wind turbine or force (forcing) pump on pipe 5.
Built-in type, fitted outside, mounted or lower installing type can be used in the installation site of motor 11, either using which The specific motor installation form of kind, within the scope of the present invention.
Certainly, above description is not limitation of the present invention, and the present invention is also not limited to the example above, the art The variations, modifications, additions or substitutions that those of ordinary skill is made in the essential scope of the present invention fall within the guarantor of the present invention Protect scope.

Claims (10)

1. a kind of reverse dust-extraction unit including housing, sets dust laden air import and clean air outlet, the shell on the housing Filter cylinder is fixed in vivo, the barrel of the filter cylinder is machined with the duct for air circulation, it is characterised in that:The reverse dedusting Device further includes back pressure type filter cylinder cleaning member, and the back pressure type filter cylinder cleaning member includes movable portable dedusting air inlet Pipe, the movable dedusting air inlet pipe and back-pressure chamber, the end of the back-pressure chamber are slidably connected the cylinder of the filter cylinder Internal wall, the pressure in the back-pressure chamber are P1, the in vivo pressure of shell is P2, P1>P2
2. dust-extraction unit described in accordance with the claim 1, it is characterised in that:The movable dedusting air inlet pipe is portable dedusting Air inlet pipe.
3. dust-extraction unit described in accordance with the claim 1, it is characterised in that:It is set in the movable type dedusting air inlet pipe empty with high pressure The pressure-air import of tracheae connection.
4. dust-extraction unit described in accordance with the claim 1, it is characterised in that:The mobile group of movable type dedusting air inlet pipe connection Part.
5. according to the dust-extraction unit described in claim 4, it is characterised in that:The moving assembly includes motor, the motor Export axis connection retarder, the output shaft connection rotating crank of the retarder, articulated linkage on the turntable of the rotating crank, The other end of the connecting rod is hinged reverse type dedusting air inlet pipe.
6. according to the dust-extraction unit described in claim 4, it is characterised in that:The moving assembly includes power cylinder, the power The piston rod connection movable dust removal air inlet pipe of cylinder.
7. dust-extraction unit described in accordance with the claim 1, it is characterised in that:The movable dedusting air inlet pipe is rotary type dedusting Air inlet pipe.
8. according to the dust-extraction unit described in claim 7, it is characterised in that:It is set in the rotary type dedusting air inlet pipe empty with high pressure The pressure-air import of tracheae connection.
9. according to the dust-extraction unit described in claim 7, it is characterised in that:The rotary type dedusting air inlet pipe connects rotating group Part.
10. dust-extraction unit described in accordance with the claim 1, it is characterised in that:The housing includes bottom case and is movably connected in institute State the end cap on bottom case.
CN201711368832.9A 2017-12-18 2017-12-18 A kind of reverse dust-extraction unit Pending CN108079695A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711368832.9A CN108079695A (en) 2017-12-18 2017-12-18 A kind of reverse dust-extraction unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711368832.9A CN108079695A (en) 2017-12-18 2017-12-18 A kind of reverse dust-extraction unit

Publications (1)

Publication Number Publication Date
CN108079695A true CN108079695A (en) 2018-05-29

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201711368832.9A Pending CN108079695A (en) 2017-12-18 2017-12-18 A kind of reverse dust-extraction unit

Country Status (1)

Country Link
CN (1) CN108079695A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109011899A (en) * 2018-07-11 2018-12-18 河南中烟工业有限责任公司 A kind of tobacco cutting machine recovery unit filter screen cleaning device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109011899A (en) * 2018-07-11 2018-12-18 河南中烟工业有限责任公司 A kind of tobacco cutting machine recovery unit filter screen cleaning device

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