CN207838553U - A kind of reverse dust-extraction unit - Google Patents

A kind of reverse dust-extraction unit Download PDF

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Publication number
CN207838553U
CN207838553U CN201721776401.1U CN201721776401U CN207838553U CN 207838553 U CN207838553 U CN 207838553U CN 201721776401 U CN201721776401 U CN 201721776401U CN 207838553 U CN207838553 U CN 207838553U
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China
Prior art keywords
dust
inlet pipe
air inlet
pressure
extraction unit
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Application number
CN201721776401.1U
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Chinese (zh)
Inventor
李金栋
李佳
王丽军
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Shandong dingruitaifeng Environmental Protection Technology Co.,Ltd.
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李金栋
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Abstract

A kind of reverse dust-extraction unit, including shell, dust laden air import and clean air outlet are set on shell, filter cylinder is fixed in shell, 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 mobile dedusting air inlet pipe, mobile 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 pressure in shell is P2, P1>P2.This dust-extraction unit is equipped with continuous back-pressure dust removal component, the component moves or the removal of rotation accumulates in the impurity such as the dust on filter cylinder, the phenomenon that filter efficiency is low, effect is poor caused by accumulation of impurities is avoided, 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 utility model is related to dedusting technical fields, and the inverse of filter screen cleaning is completed by pressure difference more particularly, to a kind of To dust-extraction unit.
Background technology
Filter is to be located at the suspension of side under thrust(Or dusty gas)By porous media duct to The other side is flowed, 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 being accumulated on filter core from the solid particles filtered out in air, when accumulating to a certain extent, filter core progress need to be taken out Cleaning or the filter core more renewed, this undoubtedly increases 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 Fig. 1, Pending dust laden air is delivered to from dust laden air import in shell, and purified air is under fan action from purification air Conveying, the impurity filtered down are deposited in filter cylinder surface outward 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 for collection in housing bottom Middle cleaning.The dedusting method is deposited in the impurity such as the dust on filter cylinder using high pressure gas 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.
Invention content
The purpose of the utility model is to overcome disadvantages existing in the prior art, provide a kind of reverse dust-extraction unit, should Device uses work principle of filter cleaning dusty air first, secondly can impurity such as dust for filtering out on continous way removal filter cylinder, And normal air filtration is not influenced, filter efficiency and speed are effectively improved, the technical solution adopted is that:A kind of reverse dedusting Device, including shell set dust laden air import and clean air outlet on the shell, filter cylinder, institute are fixed in the shell The barrel for stating filter cylinder is machined with 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 dedusting air inlet pipe, the movable dedusting air inlet pipe With back-pressure chamber, the end of the back-pressure chamber is slidably connected the cylinder inboard wall of the filter cylinder, in the back-pressure chamber Pressure is P1, the pressure in the shell is P2, P1>P2
The technical characteristics of the utility model also has:The movable dedusting air inlet pipe is mobile dedusting air inlet pipe.
The technical characteristics of the utility model also has:The height being connect with high-pressure air tube is set in the movable type dedusting air inlet pipe Press air intlet.
The technical characteristics of the utility model also has:The movable type dedusting air inlet pipe connects moving assembly.
The technical characteristics of the utility model also has:The moving assembly includes motor, and the output axis connection of the motor subtracts Fast device, the output shaft of the retarder connect rotating crank, articulated linkage on the turntable of the rotating crank, the connecting rod it is another One end is hinged reverse type dedusting air inlet pipe.
The technical characteristics of the utility model also has:The moving assembly includes power cylinder, and the piston rod of the power cylinder connects Connect movable dust removal air inlet pipe.
The technical characteristics of the utility model also has:The movable dedusting air inlet pipe is rotary type dedusting air inlet pipe.
The technical characteristics of the utility model also has:The height being connect with high-pressure air tube is set in the rotary type dedusting air inlet pipe Press air intlet.
The technical characteristics of the utility model also has:The rotary type dedusting air inlet pipe connects runner assembly.
The technical characteristics of the utility model also has:The shell includes bottom case and the end that is movably connected on the bottom case Lid.
The beneficial effects of the utility model are:This dust-extraction unit is equipped with continuous back-pressure dust removal component, and the component is removable Or the removal of rotation accumulates in the impurity such as the dust on filter cylinder, avoids that the filter efficiency caused by accumulation of impurities is low, effect The phenomenon of difference 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 structural schematic diagram in the prior art, and attached drawing 2 is that the utility model movable type is inverse To dust-extraction unit principle schematic, attached drawing 3 is electronic mobile component structure diagram, and attached drawing 4 is mobile reverse dust-extraction unit Industrializing implementation schematic diagram, attached drawing 5 are the reverse dust-extraction unit structural schematic diagrams of the utility model rotary type, and attached drawing 6 is attached drawing 5 A-A views, 1 is shell, 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, 4-1 is cylinder, and 4-2 is flange, and 5 be dust-collecting air pipe, and 6 be mobile dedusting air inlet pipe, and 7 be back-pressure chamber, and 8 be support plate, 11 be motor, and 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 axis stream wind Machine.
Specific implementation mode
Below in conjunction with the accompanying drawings, specific embodiment of the present utility model is illustrated.
Attached drawing 2- attached drawings 4 show the reverse dust-extraction unit of movable type of the utility model, which includes shell 1, shell 1 It can be made of bottom case 1-1 and end cap 1-2, end cap 1-2 is movably connected on bottom case 1-1.2 He of dust laden air import is set on shell 1 Clean air outlet 3, dust laden air(Preferably dust-laden pressure-air)Enter in shell 1 through dust laden air import, it is purified Air is purified in pipeline under fan action, is exported outward from clean air outlet 3, and the position of clean air outlet 3 is general It is higher than dust laden air import 2, thus completes the purified treatment of air.
Filter cylinder 4 is fixed in shell 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 shell 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.To make air 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 mobile dedusting air inlet pipe 6, sets in mobile dedusting air inlet pipe 6 and is connect with high-pressure air tube Pressure-air import 15, mobile dedusting air inlet pipe 6 are connected to 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, shell 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 shell.
To make mobile dedusting air inlet pipe 6 move, mobile 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 connect 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, mobile 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 piston rod connection movable type dedusting air inlet pipe 6 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 shell can be various shapes, such as round, rectangular, 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 shell 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 the utility model industrializing implementation example described in attached drawing 4, multigroup filter cylinder 4 is installed simultaneously in a shell 1, it is multigroup Filter cylinder 4 shares a set of moving assembly, i.e. the mobile dedusting air inlet pipe 6 hinged with connecting rod 14 can give 4 back-pressure of multigroup filter cylinder simultaneously Dust separation supplies, to realize the purposes of large industrialized air purification.Dust mouth 16 is set in the bottom of shell 1, is opened out Dirt control valve 17, the impurity such as 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 utility model, which includes shell 1, shell Filter cylinder 4 is set in 1, filter cylinder 4 can be in any way fixed in shell 1, and dust laden air import 2 is set on shell 1 and purification air goes out Mouthfuls 3, axial flow blower 24 is set on pipeline connect with clean air outlet 3, in the case where axial flow blower 24 acts on, dust laden air import 2 In the dust laden air that is passed through after filter cylinder 4 filters purified treatment, be discharged from clean air outlet 3 through pipeline.
To clear up the impurity such as the dust being attached on filter cylinder 4 in time, back pressure type filter cylinder cleaning member, the portion is arranged in the present apparatus Part includes rotary type dedusting air inlet pipe 21, set in rotary type dedusting air inlet pipe 21 pressure-air that is connect with high-pressure air tube into Mouthful, rotary type dedusting air inlet pipe 21 is connected to 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, shell 1 is interior to remove back pressure chamber Partial pressure except 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 shell.
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 part, in this way, motor 11 drive under, retarder 12 Output shaft rotation, and then realize the rotation of rotary type dedusting air inlet pipe 21, certainly, the driving rotation of motor 11 also can be used directly 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 purification air of the dust laden air import of the present apparatus of next stage and 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, which is either used The specific motor installation form of kind, it is within the protection scope of the present utility model.
Certainly, above description is not limitation of the utility model, and the utility model is also not limited to the example above, this skill The variations, modifications, additions or substitutions that the those of ordinary skill in art field is made in the essential scope of the utility model, also belong to In the scope of protection of the utility model.

Claims (10)

1. a kind of reverse dust-extraction unit, including shell, dust laden air import and clean air outlet, the shell are set on the shell It is fixed with filter cylinder 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 dedusting air inlet pipe, described Movable dedusting air inlet pipe and back-pressure chamber, the end of the back-pressure chamber are slidably connected the cylinder inboard wall of the filter cylinder, Pressure in the back-pressure chamber is P1, the pressure in the 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 mobile dedusting Air inlet pipe.
3. dust-extraction unit according to claim 2, it is characterised in that:It is set in the movable type dedusting air inlet pipe and high pressure sky 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. dust-extraction unit according to claim 4, it is characterised in that:The moving assembly includes motor, the motor Exporting axis connection retarder, the output shaft of the retarder connects rotating crank, 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. dust-extraction unit according to claim 4, it is characterised in that:The moving assembly includes power cylinder, the power The piston rod of cylinder connects movable dust removal air inlet pipe.
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. dust-extraction unit according to claim 7, it is characterised in that:It is set in the rotary type dedusting air inlet pipe and high pressure sky The pressure-air import of tracheae connection.
9. dust-extraction unit according to 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 shell includes bottom case and is movably connected in institute State the end cap on bottom case.
CN201721776401.1U 2017-12-18 2017-12-18 A kind of reverse dust-extraction unit Active CN207838553U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721776401.1U CN207838553U (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
CN201721776401.1U CN207838553U (en) 2017-12-18 2017-12-18 A kind of reverse dust-extraction unit

Publications (1)

Publication Number Publication Date
CN207838553U true CN207838553U (en) 2018-09-11

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Application Number Title Priority Date Filing Date
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Country Status (1)

Country Link
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111672216A (en) * 2020-06-27 2020-09-18 北京兴华汇杰科技有限公司 Filter cleaning method and back-blowing cleaning device thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111672216A (en) * 2020-06-27 2020-09-18 北京兴华汇杰科技有限公司 Filter cleaning method and back-blowing cleaning device thereof

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Legal Events

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GR01 Patent grant
GR01 Patent grant
TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20200327

Address after: 250300 No. 21 Wuzhuang Village, Zhangxia Town, Changqing District, Jinan City, Shandong Province

Patentee after: Ji'nan Oasis Technology Co., Ltd.

Address before: 250032 Ji'nan oasis science and Technology Co., Ltd., No. 7066, 2nd Ring Road, Tianqiao District, Shandong, Ji'nan

Patentee before: Li Jindong

TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20220322

Address after: 250000 Ping'an sub district office, Changqing District, Jinan City, Shandong Province, 200m west of the intersection of Ping'an North Road and yuhuangshan Road

Patentee after: Shandong dingruitaifeng Environmental Protection Technology Co.,Ltd.

Address before: 250300 No. 21, Wuzhuang village, Zhangxia Town, Changqing District, Jinan City, Shandong Province

Patentee before: Ji'nan Oasis Technology Co.,Ltd.