CN109173470A - Deashing device and modularization deduster - Google Patents

Deashing device and modularization deduster Download PDF

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Publication number
CN109173470A
CN109173470A CN201811260733.3A CN201811260733A CN109173470A CN 109173470 A CN109173470 A CN 109173470A CN 201811260733 A CN201811260733 A CN 201811260733A CN 109173470 A CN109173470 A CN 109173470A
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CN
China
Prior art keywords
filter bag
blowing
filter
gas outlet
air
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Pending
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CN201811260733.3A
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Chinese (zh)
Inventor
宋朋泽
李刚
邵联敏
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Zhejiang Hongsheng Environmental Technology Group Ltd
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Zhejiang Hongsheng Environmental Technology Group Ltd
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Application filed by Zhejiang Hongsheng Environmental Technology Group Ltd filed Critical Zhejiang Hongsheng Environmental Technology Group Ltd
Priority to CN201811260733.3A priority Critical patent/CN109173470A/en
Publication of CN109173470A publication Critical patent/CN109173470A/en
Pending legal-status Critical Current

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    • 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
    • B01D46/02Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
    • 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
    • B01D46/02Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
    • B01D46/04Cleaning filters

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)

Abstract

The present invention provides a kind of deashing device and modularization dedusters, belong to gas purification technique field, which includes intake stack, blower unit, exhaust duct, blowing device, driving device and sliding rail;Intake stack is connected by blower unit with exhaust duct, exhaust duct is connected to blowing device, blowing device is used to be connected to the inside filter bag gas outlet of filter bag type filter device, blowing device is slidably connected by interconnecting piece and sliding rail, driving device drives blowing device mobile to the portion of drive connection, and the air outlet of blowing device is enable to be sequentially communicated each filter bag gas outlet;Blowing device can spray into the gas of filtering to the inside of filter bag, so that the dust accumulated outside filter bag falls off;To realize recycling for inner air, the purpose of the soft deashing of back-blowing is realized, since temperature is adapted inside the gas temperature and filter device of discharge, can reduce the condensation bonding situation generated by inside and outside temperature difference.

Description

Deashing device and modularization deduster
Technical field
The present invention relates to technical field of air purification, and in particular to a kind of deashing device and modularization deduster.
Background technique
It is produced currently, sack cleaner is widely used in the industries such as purification metallurgy, mine, chemical industry, power generation in the industry Raw dusty gas.The working principle of sack cleaner is that dusty gas is introduced to deduster and is passed it through set on deduster In filter bag, grit is i.e. intercepted and stays in filter bag surface, forms a dust layer.Pure air then passes through filter bag and flows Deduster out.After running a period of time, the dust layer that bag-type duster filtering bag meets the accumulation of dirt surface is more and more thicker, makes deduster Drag losses increase.Therefore, it after sack cleaner operation a period of time, needs to carry out deashing.
The purge mode of existing outer filter bag type deduster is mainly pulse blowing bag type dust precipitator.Bag is rushed in wherein pulse spray The purge mode of formula deduster is that the pressure-air high speed of 0.2-0.3Mpa is blown filter bag, and filter bag is made to generate pulse from inside to outside Expansion vibration, filter bag outer surface obtain very big acceleration, to shake off the staubosphere on surface, the purge mode, there are deashings Air pressure is big, the short problem of life-span of the filter bag.
Summary of the invention
The first object of the present invention is to provide a kind of deashing device, and filter bag type filter device can be achieved in the deashing device Filter bag interior air-flow be evenly distributed, air-flow air pressure is low, ash-removal effect is good, extend life-span of the filter bag purpose.
The second object of the present invention is to provide a kind of modularization deduster, which uses above-mentioned deashing Device.
Based on above-mentioned first purpose, deashing device provided by the invention, comprising: intake stack, blower unit, air-exhausting duct Road, blowing device, driving device, sliding rail;
The air inlet of the blower unit is connected with the intake stack, the air outlet of the blower unit and the row Air piping is connected, and the air outlet of the exhaust duct is connected to the blowing device, and the air outlet of the blowing device is for connecting The inside filter bag gas outlet of logical filter bag type filter device,
The blowing device is slidably connected by interconnecting piece and the sliding rail, and the driving device is described to drive Interconnecting piece drives the blowing device to move along the sliding rail, and the air outlet of the blowing device is sequentially communicated Each filter bag gas outlet of filter bag type filter device;
The blower unit can introduce the gas of filter bag type filter device filtering by intake stack, then pass through the row Each filter pocket mouths inside air piping, blowing device discharge gas to filter bag type filter device, gas inside filter bag by arranging Out to outside, so that the dust of filter bag outer wall accumulation falls off.
Further, the blowing device includes blowing shell, and the blowing enclosure interior has air cavity, the air cavity Section is rectangle, and the blowing shell is provided with the blowing gas outlet for being connected to the air cavity close to one end of the filter bag, described Blowing gas outlet is adapted with the width of single filter bag gas outlet, and two side positions that the blowing shell is located at blowing gas outlet are Enclosed area, the gas outlet of the adjacent filter bag of filter bag two sides of the enclosed area to close the blowing gas outlet face.
Further, it is provided with the first deflector in the air cavity of the blowing shell, first deflector is set as Arc panel, one end of first deflector are connected in the air cavity far from the blowing gas outlet side, other end connection In the blowing gas outlet position, first deflector makes air cavity interior air-flow be directed to blowing gas outlet direction.
Further, multiple second deflectors are provided on first deflector, multiple second deflectors are along institute It states the first deflector short transverse to be evenly arranged, second deflector makes the fraction in the air cavity uniformly be directed to institute State blowing gas outlet region.
Further, ring packing cage ring is provided on the outside of the blowing gas outlet of the blowing shell.
Further, the driving device includes motor, lead screw and movable block;The lead screw is arranged in sliding rail Interior, the motor connects lead screw one end by shaft coupling, and the baffle of the lead screw other end and sliding rail length direction is logical Cross bearing rotation connection, setting screw hole and lead screw are cooperatively connected in the movable block, the movable block also with the interconnecting piece phase Connection, the driving motor drive lead screw to rotate so that movable block moves linearly by shaft coupling, and the movable block passes through described Interconnecting piece drives the blowing shell mobile, and the sliding rail is provided with two, and two sliding rails are arranged in described Blowing device both ends position;The sliding rail is set as U-shaped, and middle part is to accommodate lead screw and the movable block.
It further, further include controller and control valve, the control valve is connect with the exhaust duct, the control Device processed can control the opening or closing so that exhaust duct is connected or disconnected with the blowing device of the control valve;
The controller is also electrically connected with the blower unit and the driving device, to control the air inducing dress respectively It sets and is opened or closed with the driving device.
It further, further include pressure-detecting device, the pressure-detecting device is arranged in the filter bag type filter device Filter bag inside to detect pressure value, and pressure signal can be converted by the pressure value and be delivered to the controller, with So that the controller is exported control signal according to pressure signal and controls the blower unit, the control valve and driving dress That sets opens or closes.
It further, further include at least one supersonic generator, the supersonic generator is arranged in the filter bag type On the outside of filter bag in filter device, the supersonic generator is electrically connected with the controller, and the supersonic generator can Using the Wave energy of sound wave so that the dust that the filter bag outside of the filter bag type filter device accumulates falls off.
Based on above-mentioned second purpose, a kind of modularization deduster provided by the invention, including deduster frame, modularization mistake Filter unit and above-mentioned deashing device;
At least one lattice space to placement module filter element, the modularization is arranged in the deduster frame Filter element includes cabinet and is located in the box body filter bag type filter device,
Sliding rail in the deashing device is connect with the deduster frame,
Intake stack in the deashing device is to access the filtering gas being discharged in the filter bag type filter device, institute Blowing device is stated to inject in filtering gas to any filter bag discharge outlet of the filter bag type filter device, filters gas by filtering Bag is internal to be expelled to external so that the dust accumulated outside the filter device falls off, and multiple trellis are arranged in the deduster frame Space, multiple lattice spaces are arranged in ranks, and the modular filtration units, institute is respectively set in each lattice space State the either rank filter bag discharge outlet that the blowing gas outlet in deashing device is connected to from top to bottom.
By adopting the above technical scheme, the technical effect of deashing device provided by the invention has:
1. blower unit can introduce the gas of filter bag type filter device filtering by intake stack, then pass through air-exhausting duct Road, blowing device discharge gas to filter bag type filter device inside each filter pocket mouths, gas by being expelled to outside inside filter bag, To make filter bag outer wall accumulate dust fall off, filter bag interior air-flow can be made to be evenly distributed, air-flow air pressure is low, ash-removal effect is good, Extend life-span of the filter bag.
2. since intake stack introduces the gas of filter bag type filter device filtering, then through blowing device output gas to filter bag It is interior, to realize recycling for filter bag type filter device inner air, reduce the harm of external environment, to realize back-blowing The purpose of soft deashing ensures the service life of filter bag type filter device;Simultaneously as the gas temperature and filter device of discharge Internal temperature is adapted, therefore can reduce the condensation bonding situation generated by inside and outside temperature difference.
3. blowing device is slidably connected by interconnecting piece and sliding rail, driving device is to described in the drive of the portion of drive connection Blowing device is moved along sliding rail, and the air outlet of blowing device is enabled to be sequentially communicated each filter of filter bag type filter device Bag gas outlet, so that each filter bag to filter bag type filter device carries out deashing respectively.
Modularization deduster provided by the invention, including deduster frame, modular filtration units and above-mentioned deashing Device;
At least one lattice space to placement module filter element, the Modularized filtering is arranged in deduster frame Unit includes cabinet and is located in the box body filter bag type filter device,
The either rank of filtering gas to filter bag type filter device can be implanted sequentially using the blowing device in deashing device Filter bag is filtered in filter bag discharge outlet, to realize the deashing function to modular filtration units.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram for the deashing device that the embodiment of the present invention one provides;
Fig. 2 is Fig. 1 side view;
Fig. 3 is the structural schematic diagram for being blown shell;
Fig. 4 is the structural schematic diagram of the first deflector;
Fig. 5 is the partial enlarged view in Fig. 1 at I;
Fig. 6 is the structural schematic diagram of driving device;
Fig. 7 is the structural schematic diagram of modularization deduster provided by Embodiment 2 of the present invention;
Fig. 8 is the partial structural diagram of modularization deduster provided by Embodiment 2 of the present invention.
Appended drawing reference: 100- intake stack;200- blower unit;300- exhaust duct;400- blowing device;410- connection Portion;420- is blown shell;430- air cavity;440- is blown gas outlet;The enclosed area 450-;The first deflector of 460-;470- second is led Flowing plate;480- ring packing cage ring;500- driving device;510- motor;520- lead screw;530- movable block;600- sliding Track;700- control valve;800- deduster frame;900- filter bag gas outlet;910- supersonic generator;10- cabinet;20- Filter bag type filter device;30- deashing device.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
Embodiment one
As depicted in figs. 1 and 2, a kind of deashing device provided in an embodiment of the present invention, comprising: intake stack 100, air inducing dress Set 200, exhaust duct 300, blowing device 400, driving device 500, sliding rail 600.
The air inlet of blower unit 200 is connected with intake stack 100, the air outlet and exhaust duct of blower unit 200 300 are connected, and the air outlet of exhaust duct 300 is connected to blowing device 400, and the air outlet of blowing device 400 is for being connected to filter bag The inside filter bag gas outlet 900 of formula filter device.
Blowing device 400 is slidably connected by interconnecting piece 410 with sliding rail 600, and driving device 500 is to be drivingly connected Portion 410 drives blowing device 400 to move along sliding rail 600, and the air outlet of blowing device 400 is enabled to be sequentially communicated filter bag Each filter bag gas outlet 900 of formula filter device;
The purpose of setting of blower unit 200 is the filter bag type filter device that deduster can be introduced by intake stack 100 Then interior filtered gas is discharged in gas to filter bag type filter device by exhaust duct 300, blowing device 400 again Each filter bag gas outlet 900 in portion, to make gas by being expelled to outside inside filter bag, to reach to filter bag type filter device The dust accumulated outside middle filter bag falls off, and filter bag type filter device is enable to repeat effective use.
As shown in Figure 3, it is preferable that blowing device 400 includes blowing shell 420, and blowing shell 420 is set as cuboid, Being blown inside shell 420 has air cavity 430, and the section of air cavity 430 is preferably arranged to rectangle, is blown shell 420 close to filter bag One end is provided with the blowing gas outlet 440 for being connected to air cavity 430, and one end far from filter bag is air inlet, blowing gas outlet 440 and list The width of a filter bag gas outlet 900 is adapted.When concrete application, 300 output gas of exhaust duct to the air cavity for being blown shell 420 In 430, then by blowing gas outlet 440 gas is ejected in corresponding filter bag gas outlet 900, reaches the work of anti-blow cleaning dust With.
Preferably, it is enclosed area 450 that blowing shell 420, which is located at two side positions of blowing gas outlet 440, and enclosed area 450 is used To close the gas outlet of the adjacent filter bag of the filter bag two sides of blowing 440 face of gas outlet.That is, in blowing gas outlet 440 When being connected to the outlet of either rank filter bag, two column adjacent with the column filter bag or multiple row filter bag gas outlet 900 pass through enclosed area 450 It is closed, gas will not be passed through, it is therefore an objective to when avoiding between adjacent filter bag while being passed through gas, extruding is generated between filter bag Deform and influence the cleaning effect of dust.
In addition, being additionally provided with ring packing cage ring 480 in the outside of the blowing gas outlet 440 of blowing shell 420, spraying When blowing the movement of shell 420, ring packing cage ring 480 can be outer with each filter bag gas outlet 900 of filter bag type filter device Edge (card) contact promotes deashing to prevent the situation for generating gas leakage with the gas outlet for being connected to filter bag in blowing gas outlet 440 Efficiency.
As shown in Figure 3, it is preferable that be provided with the first deflector 460, the first deflector in the air cavity 430 of blowing shell 420 Two pieces are set as, the two sides in air cavity 430 are located at, the first deflector 460 is set as arc panel, the first deflector 460 One end be connected in air cavity 430 far from blowing 440 side of gas outlet, the other end of the first deflector 460, which is connected to, to be blown out The position of port 440, the first deflector 460 make air cavity interior air-flow be directed to blowing gas outlet direction.By in this present embodiment Air cavity 430 is rectangle, and when being passed through air-flow into air cavity 430, the square position of the inner wall of air cavity 430 is to generate flow-disturbing group to use, Thus increase the resistance that air-flow is passed through, it, can be to air cavity by the way that the first deflector 460 of two arcs is arranged in the present embodiment It it is right against air-flow in 430 is passed through the square position in direction and blocked, make air-flow along the introducing of the first deflector 460 of arc Into blowing gas outlet 440.
As shown in Figure 4, it is preferable that multiple second deflectors 470, multiple second water conservancy diversion are provided on the first deflector 460 Plate 470 is evenly arranged along 460 short transverse of the first deflector, and the second deflector 470 leads the fraction in institute's chamber 430 uniformly To extremely blowing 440 region of gas outlet.
When it is implemented, the second deflector 470 is from the air inlet of blowing device to the direction for being blown gas outlet 440, from upper It is obliquely installed under, after the gas that exhaust duct 300 is discharged into enters air cavity 430 by air inlet, by multiple second deflectors 470 Shunting function, fraction uniform divided flows in air cavity 430 can be made to blowing 440 region of gas outlet, reduce blowing The strong and weak uneven situation of the air-flow that gas outlet sprays.
As shown in Figure 6, it is preferable that the driving device 500 in the present embodiment includes motor 510, lead screw 520 and movable block 530;Lead screw 520 is arranged in sliding rail 600, and motor 510 connects 520 one end of lead screw by shaft coupling, and lead screw 520 is another End and the baffle of 600 length direction of sliding rail are rotatablely connected by bearing, and setting screw hole is matched with lead screw 520 in movable block 530 Connection is closed, movable block 530 is also connected with interconnecting piece 410, and driving motor drives lead screw 520 to rotate so that mobile by shaft coupling Block 530 moves linearly, and movable block 530 drives blowing shell 420 mobile by interconnecting piece 410, to enable to be blown shell 420 Filter bag by column is successively blown, realizes the purpose of efficient deashing.
As shown in Figure 1, Figure 2 and shown in Fig. 5, it is preferable that sliding rail 600 is provided with two, and two sliding rails 600 are arranged in Blowing device 400 both ends position;The effect of two sliding rails 600 is to provide stable support to blowing shell 420,
Also, sliding rail 600 is preferably arranged to U-shaped, and middle part is to accommodate lead screw 520 and movable block 530.Interconnecting piece 410 both ends are connect with the U-shaped sliding rail 600 respectively, and the middle part of interconnecting piece 410 is fixedly connected with movable block 530, lead screw When 520 drive link blocks are moved along the length direction of lead screw 520 and sliding rail 600, movable block 530 is able to drive interconnecting piece 410 move with blowing shell 420 along 600 length direction of sliding rail, to make to be blown shell 420 successively by the filter of each column Bag gas outlet 900, gradually carries out deashing to filter bag type filter device.
As illustrated in fig. 1, it is preferred that the deashing device provided in the present embodiment further includes controller and control valve 700, control Valve 700 processed is connect with exhaust duct 300, and controller can control the opening or closing so that exhaust duct of control valve 700 300 connect or disconnect with blowing device 400;
In addition, controller is also electrically connected with blower unit 200 and driving device 500, to control blower unit 200 respectively With opening or closing for driving device 500.In addition, the control valve 700 can also adjust the discharge of gas in exhaust duct 300 Flow, to realize the purpose of the soft deashing of back-blowing, ensures the use of filter bag type filter device by controlling gas flow Service life.The control valve 700 preferably uses flutter valve.
Preferably, the deashing device provided in the present embodiment further includes pressure-detecting device, and pressure-detecting device setting exists The inside of the filter bag of filter bag type filter device can convert pressure value to pressure signal and be delivered to control to detect pressure value Device, so that controller exports control signal control blower unit 200, control valve 700 and driving device 500 according to pressure signal Open or close.The pressure-detecting device preferably uses baroceptor.
Since dust accumulation results in blockage outside filter bag, causes extraneous gas that can not normally enter inside filter bag, make It is unbalance at filter bag external and internal pressure, pressure real-time perfoming in filter bag is detected by pressure-detecting device, resistance can be generated in filter bag Deashing is carried out when plug in time.
Preferably, the specific process is as follows: controller can obtain the pressure signal of pressure-detecting device detection in real time, and And pressure signal and preset pressure threshold value comparison if pressure signal is less than preset pressure threshold value, can be shown filter bag by controller Accumulation dust excessively generates blocking, controller output control signal control blower unit 200, driving device 500 and control valve 700 open, and clear up the dust accumulated outside filter bag in time;
Until pressure signal, in preset pressure threshold range, controller output control signal control blower unit 200 drives Dynamic device 500 and control valve 700 are closed.
Pressure information in filter bag can be accurately obtained using above-mentioned pressure-detecting device, then judges to filter by controller Whether bag generates the situation of blocking, to realize the function of carrying out deashing to filter bag automatically, is ensureing filter bag type filter device just Often operation promotes filter efficiency, prolongs the service life.
In one advantageous embodiments, which further includes time control module, time control module and controller Electrical connection, the time signal of control module read access time module, controller being capable of separated in time points output-controlling signal control Blower unit 200, driving device 500 and control valve 700 processed open or close.
When practical application, it can be preset according to the type in the period and different content ash-laden gas that filter bag blocks The cycle of operation of time module.To realize that interval time carries out the function of regular deashing to filter bag type filter device.
As shown in Figure 7, it is preferable that the deashing device provided in the present embodiment further includes at least one supersonic generator 910, supersonic generator 910 is arranged on the outside of the filter bag in filter bag type filter device, supersonic generator 910 and controller electricity Connection, supersonic generator 910 can be using the Wave energies of sound wave so that the filter bag outside of filter bag type filter device accumulated Dust falls off.
When concrete application, controller can be detected filter bag air pressure inside using above-mentioned pressure-detecting device, then be controlled Supersonic generator 910 processed carries out deashing when filter bag blocks;Alternatively, controller is using time control module timing to filter Bag carries out deashing;The working principle of pressure-detecting device, time control module and controller please refers to preceding description, here no longer It repeats.
By adopting the above technical scheme, the technical effect of deashing device provided in an embodiment of the present invention has:
1. blower unit 200 can introduce the gas of filter bag type filter device filtering by intake stack 100, then pass through row Air piping 300, blowing device 400 be discharged gas to filter bag type filter device inside each filter pocket mouths, gas by filter bag inside Be expelled to outside, thus make filter bag outer wall accumulate dust fall off, filter bag interior air-flow can be made to be evenly distributed, air-flow air pressure is low, Ash-removal effect is good, extends life-span of the filter bag.
2. since intake stack 100 introduces the gas of filter bag type filter device filtering, then through 400 output gas of blowing device To filter bag, to realize recycling for filter bag type filter device inner air, reduce the harm of external environment, to realize The purpose of the soft deashing of back-blowing ensures the service life of filter bag type filter device;Simultaneously as the gas temperature and mistake of discharge It filters temperature inside device to be adapted, therefore can reduce the condensation bonding situation generated by inside and outside temperature difference.
3. blowing device 400 is slidably connected by interconnecting piece 410 with sliding rail 600, driving device 500 is to the company of driving Socket part 410 drives blowing device 400 to move along sliding rail 600, and the air outlet of blowing device 400 is enabled to be sequentially communicated filter Each filter bag gas outlet 900 of bag type filter device, so that each filter bag to filter bag type filter device carries out deashing respectively.
Embodiment two
The embodiment of the invention provides a kind of modularization dedusters, as shown in Figure 7 and Figure 8, wherein Fig. 8 is that the present invention is real The partial schematic diagram (simplifying cabinet, only illustrate simple connection structure) of the modularization deduster provided in example is provided;The module Changing deduster includes the deashing device 30 provided in deduster frame 800, modular filtration units and above-mentioned implementation one.
Due to being structurally and functionally explained in detail in example 1 for deashing device 30, which is not described herein again.
In the modularization deduster, at least one lattice to placement module filter element is arranged in deduster frame 800 Shape space, modular filtration units include cabinet 10 and the filter bag type filter device 20 in cabinet 10;
Preferably, deduster frame 800 is arranged multiple lattice spaces, and multiple lattice spaces are arranged in ranks, for example, can be with It is the arrangement modes such as 4 rows 6 column, modular filtration units, also, each filter bag type mistake is respectively set in each lattice space Filtering device 20 includes multiple filter bags in ranks arrangement, and the same column filter bag in same row in each filter bag type filter device 20 is from upper It is arranged in parallel under, the either rank filter bag gas outlet 900 that the blowing gas outlet 440 in deashing device 30 is connected to from top to bottom.
Sliding rail 600 in deashing device is connect with deduster frame 800;Preferably, 600 level of sliding rail is set It sets, is moved so as to make to be blown shell 420 along the direction of the row where each filter bag type filter device 20, and then to filter by column Bag gas outlet 900 sprays into gas.
Intake stack 100 in deashing device is blown to access the filtering gas being discharged in filter bag type filter device 20 Device 400 filters gas by filter bag to inject in filtering gas to any filter bag gas outlet of filter bag type filter device 20 Portion is expelled to external so that the dust accumulated outside filter bag falls off.
In the prior art, the purge mode of outer filter bag type deduster is mainly pulse blowing bag type dust precipitator.Wherein pulse The purge mode that sack cleaner is rushed in spray is that the pressure-air high speed of 0.2-0.3Mpa is blown filter bag, produces filter bag from inside to outside Raw impulsive inflation vibration, filter bag outer surface obtains very big acceleration, to shake off the staubosphere on surface, which exists Deashing air pressure is big, leads to the problem that life-span of the filter bag is short, therefore, needs frequently to detect and replace filter bag in use, for The efficiency of dust collection of deduster causes large effect.
Modularization deduster provided in an embodiment of the present invention, if only applying pulse mode dedusting in the prior art, that , need that a large amount of impulse generator is installed in deduster frame, in application, not only synchronous shake between each adjacent filter bag It is dynamic that ash-removal effect is caused to be affected, and a large amount of filter bags are easy to produce damage, cause maintenance replacement to be inconvenient, increase into This.
In technical scheme, filtering gas can be implanted sequentially extremely using the blowing device 400 in deashing device 30 Filter bag is filtered in the either rank filter bag gas outlet 900 of filter bag type filter device 20, to realize to modules mistake The deashing function of unit is filtered, further, it is possible to make filter bag interior air-flow be evenly distributed, air-flow air pressure is low, ash-removal effect is good, extends filter bag Service life.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations;To the greatest extent Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into Row equivalent replacement;And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution The range of scheme.

Claims (10)

1. a kind of deashing device characterized by comprising intake stack, blower unit, exhaust duct, blowing device, driving dress It sets and sliding rail;
The air inlet of the blower unit is connected with the intake stack, the air outlet of the blower unit and the air-exhausting duct Road is connected, and the air outlet of the exhaust duct is connected to the blowing device, and the air outlet of the blowing device is for being connected to filter The inside filter bag gas outlet of bag type filter device,
The blowing device is slidably connected by interconnecting piece and the sliding rail, and the driving device is to drive the connection Portion drives the blowing device to move along the sliding rail, and the air outlet of the blowing device is enabled to be sequentially communicated filter bag Each filter bag gas outlet of formula filter device;
The blower unit can introduce the gas of filter bag type filter device filtering by intake stack, then pass through the air-exhausting duct Each filter pocket mouths inside road, blowing device discharge gas to filter bag type filter device, gas inside filter bag by being expelled to Outside, so that the dust of filter bag outer wall accumulation falls off.
2. deashing device according to claim 1, which is characterized in that the blowing device includes blowing shell, the spray Enclosure interior is blown with air cavity, and the section of the air cavity is rectangle, and the blowing shell is provided with close to one end of the filter bag It is connected to the blowing gas outlet of the air cavity, the blowing gas outlet is adapted with the width of single filter bag gas outlet;The blowing Two side positions that shell is located at blowing gas outlet are enclosed area, filter of the enclosed area to close the blowing gas outlet face The gas outlet of the adjacent filter bag of bag two sides.
3. deashing device according to claim 2, which is characterized in that be provided with first in the air cavity of the blowing shell and lead Flowing plate, first deflector are set as arc panel, and one end of first deflector is connected in the air cavity far from institute Blowing gas outlet side is stated, the other end is connected to the blowing gas outlet position, and first deflector leads air cavity interior air-flow To extremely blowing gas outlet direction.
4. deashing device according to claim 3, which is characterized in that be provided with multiple second on first deflector and lead Flowing plate, multiple second deflectors are evenly arranged along the first deflector short transverse, and second deflector makes described Fraction in air cavity is uniformly directed to the blowing gas outlet region.
5. deashing device according to claim 2, which is characterized in that set on the outside of the blowing gas outlet of the blowing shell It is equipped with ring packing cage ring.
6. deashing device according to claim 2, which is characterized in that the driving device includes motor, lead screw and shifting Motion block;In the sliding track, the motor connects lead screw one end, the lead screw other end by shaft coupling for the lead screw setting It being rotatablely connected with the baffle of sliding rail length direction by bearing, setting screw hole and lead screw are cooperatively connected in the movable block, The movable block is also connected with the interconnecting piece, and the driving motor drives lead screw rotation so that movable block is straight by shaft coupling Line is mobile, and the movable block drives the blowing shell mobile by the interconnecting piece;The sliding rail is provided with two, and two Sliding rail described in root is arranged in the both ends position of the blowing device;
The sliding rail is set as U-shaped, and middle part is to accommodate lead screw and the movable block.
7. deashing device according to claim 1, which is characterized in that further include controller and control valve, the control Valve is connect with the exhaust duct, and the controller can control the opening or closing so that exhaust duct of the control valve It is connected or disconnected with the blowing device;
The controller is also electrically connected with the blower unit and the driving device, to control respectively the blower unit and The driving device opens or closes.
8. deashing device according to claim 7, which is characterized in that it further include pressure-detecting device, the pressure detecting The inside of the filter bag of the filter bag type filter device is arranged in detect pressure value in device, and can convert the pressure value to Pressure signal is delivered to the controller, so that the controller, which exports control signal according to pressure signal, controls the air inducing dress It sets, the control valve and the driving device open or close.
9. deashing device according to claim 7, which is characterized in that it further include at least one supersonic generator, it is described Supersonic generator is arranged on the outside of the filter bag in the filter bag type filter device, the supersonic generator and the controller Electrical connection, the supersonic generator can be using the Wave energies of sound wave so that outside the filter bag of the filter bag type filter device The dust of accumulation falls off.
10. a kind of modularization deduster, which is characterized in that including deduster frame, modular filtration units and claim Deashing device described in 1-9 any one;
At least one lattice space to placement module filter element, the Modularized filtering is arranged in the deduster frame Unit includes cabinet and is located in the box body filter bag type filter device,
Sliding rail in the deashing device is connect with the deduster frame,
Intake stack in the deashing device is to access the filtering gas being discharged in the filter bag type filter device, the spray Blowing apparatus filters gas by filter bag to inject in filtering gas to any filter bag discharge outlet of the filter bag type filter device Portion is expelled to external so that the dust accumulated outside the filter device falls off;It is empty that multiple trellis are arranged in the deduster frame Between, multiple lattice spaces are arranged in ranks, and the modular filtration units are respectively set in each lattice space, described The either rank filter bag discharge outlet that blowing gas outlet in deashing device is connected to from top to bottom.
CN201811260733.3A 2018-10-26 2018-10-26 Deashing device and modularization deduster Pending CN109173470A (en)

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