CN104492173B - Three-stage air filtration system - Google Patents
Three-stage air filtration system Download PDFInfo
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- CN104492173B CN104492173B CN201410689027.6A CN201410689027A CN104492173B CN 104492173 B CN104492173 B CN 104492173B CN 201410689027 A CN201410689027 A CN 201410689027A CN 104492173 B CN104492173 B CN 104492173B
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- filter
- guiding device
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- filtering
- blowpipe
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Abstract
The invention belongs to the field of gas-turbine air filtering technologies, and disclosed a three-stage air filtration system used for solving the problems that a conventional gas turbine is large in filtering area and short in service life, and problems that a self-cleaning filtering technology is high in cost and easily causes secondary pollution, and blowing explosion sound is large. The three-stage air filtration system comprises a filtering house, and the filtering house is inside provided with a coarse filter, a medium-efficiency filter and a high-efficiency filter; an unkeeping channel is arranged between the coarse filter and the medium-efficiency filter, and an unkeeping channel is arranged between the medium-efficiency filter and the high-efficiency filter; the medium-efficiency filter comprises a top driving roller and a bottom driving roller both installed in the filtering house, and driven rollers installed between the top driving roller and the bottom driving roller, and the driven rollers are installed in the filtering house alternately at the left and right; and each of the top driving roller, the driven rollers and the bottom driving roller is cladded by a filtering layer, and a blowing system is arranged above the filtering layer between the driven roller at the lowermost end of the filtering house and the bottom driving roller.
Description
Technical field
The invention belongs to gas turbine air filtration technical field, and in particular to a kind of three-level air filtering system, is used for
The air entering gas turbine is filtered it is also possible to be used for the air filtration of other field.
Background technology
Gas turbine is the rotary power that a kind of gas using continuous flowing is converted to heat energy as working medium mechanical work
Machinery.In the main flow of air and combustion gas, mainly combustion gas is formed by this three big part of compressor, combustor and combustion gas turbine
Turbine circulates.
Compressor sucks air from ambient atmosphere environment, and compresses step by step through axial-flow compressor and be allowed to be pressurized, simultaneously
Air humidity also accordingly improves；The combustion gas that compressed air is pressed to combustor with the fuel mixture manufacturing High Temperature High Pressure spraying into；
Then enter back into expansion work in turbine, promote turbine drive compressor together with outer load rotor high-speed rotation it is achieved that
The chemical energy of gas and liquid fuel is converted into mechanical energy, and exports electric work.
The inlet air flow of gas turbine blower is that the combustion air of gas turbine must be carried out before being introduced into compressor
Purified treatment.It is most commonly that and above-mentioned air inlet, the corrosive and dirty grain of preventing belt are purified using the fabric filter of machinery
Son enters compressor and turbine, thus preventing corrosion and the breakage of equipment, and reduces cleaning and the workload of maintenance.For producing
The gas turbine of the energy needs substantial amounts of combustion air, therefore, even micro impurity all can lead to produce in use
Raw a large amount of deposits, it requires filtration combustion air as efficiently as possible.
In prior art, air filtration mainly adopts static filtering or automatically cleaning to filter.
The utility model patent of such as Application No. 201220044604.2 discloses a kind of pulse self-cleaning, air cleaning
Equipment, including support, is provided with casing device above support, be provided with inside casing device defecator, Pulse anti-blow device and
Control system；Casing device includes air-purifying chamber, and the front end of air-purifying chamber is provided with air outlet, and rear end is provided with rain cover；Filter dress
Put the inside being arranged on air-purifying chamber, it includes v type air filter and bracing frame, fastening is passed through in v type air filter one end
Bolt is arranged on bracing frame, and the other end is provided with corresponding ash-collecting pipe；Pulse anti-blow device is arranged on air-purifying chamber, and it includes literary composition
Family name's pipe, injection tube and blowback house steward, injection tube is provided with row's spray orifice, and blowback house steward passes through pulse backblowing valve and injection tube phase
Even, blowback house steward is provided with electromagnetic valve component；Control system is arranged on rain cover, and it includes connected control terminal case and difference
Pressure transmitter, control terminal case is connected with electromagnetic valve component；The lower section of support is provided with dust collection device, dust collection device
Including taking out grey blower fan and the grey funnel of collection, the grey funnel upper end of collection is connected with ash-collecting pipe, and lower end is connected with taking out grey blower fan；The quantity of spray orifice
For six or more than six；Between v type air filter and ash-collecting pipe, sealing gasket is installed；Top within rain cover is provided with
Illuminating lamp.
The utility model patent of Application No. 201420234724.8 discloses a kind of gas turbine inlet air and filters dress
Put, including filter, rainhat, high-precision filtration element, blowback shower nozzle, compressed air hose, electromagnetic valve, inspection platform, air channel,
Acoustic filter；Filter porch and rainhat is installed, filter interior is provided with high-precision filtration element, high-precision filtration element mistake
Filter Way out is provided with blowback shower nozzle, and blowback shower nozzle is connected with compressed air pipe, and compressed air hose is provided with electromagnetic valve；
Filter interior is provided with inspection platform in high-precision filtration elements on either side；Filter outlet is connected with acoustic filter by air channel；
High-precision filtration element is double-decker, and ground floor is e level filter layer, and the second layer is moistureproof filter layer；E level filter layer is to adopt
The electrostatic nanometer layer being fabricated by with nano filter medium；Moistureproof filter layer synthesizes base material using 100% moisture resistance and makes；High-precision spend
Filtering element is installed for modular, individually dismounting cleaning；Acoustic filter is made using metal silk quality deadener.
The patent of invention of such as Application No. 20111044876602 discloses a kind of air filter of static filtering,
Including first order filter, second level filter and third level filter, first order filter, second level filter and the third level
Filter is spaced to be sequentially arranged in the inlet channel of gas turbine generator group；Air filter also includes interval to be fixed
Multiple filter frames in the inlet channel of gas turbine generator group, second level filter and third level filter set respectively
Put on filter frame；Air filter also includes built-in fitting, and each filter frame is fixedly installed in by built-in fitting
In the inlet channel of gas turbine generator group.The periphery of each filter frame is provided with installing hole, and filter frame passes through to install
Hole and built-in fitting are fixedly mounted in the inlet channel of gas turbine generator group；Each filter frame is provided with square hole, every
The periphery of one square hole is provided with a unit frame, and second level filter or third level filter operable are arranged on corresponding list
First frame；The periphery of second level filter and third level filter leaves gap with the periphery of unit frame, and gap is by filter seal
Pad sealing.Each filter frame is provided with some securing members, and securing member includes the pressing plate with through hole and screw, pressing plate backstop
At the periphery edge of corresponding second level filter or corresponding third level filter, screw passes through the after the through hole of pressing plate
Secondary filter or third level filter backstop are in unit inframe.Third level filter is bag filter, first order filter
For shutter inertial filter.Second level filter is folded metal filtration web filter.
Static filtering device as being recited above has that filter area is big, service life is short, is changed without for a long time filtering
The problem that effect substantially reduces.
And the automatically cleaning defecator being such as recited above, there is filter cylinder high cost, when being blown, dust is easily made
Become secondary pollution, and explosion sound when being blown is big, to environment.
For meeting economic requirement and environmental requirement, need to design a kind of filter area greatly, life-span length, the filtration dress of low cost
Put.
Content of the invention
The present invention in order to solve the problems, such as that the filter area that existing gas turbine exists is big, service life is short, using from clear
High cost that clean filtering technique exists, easily cause secondary pollution and the big problem of injection explosion sound, and a kind of three-level is provided
Air filtering system, has the characteristics that filter area is big, long service life, low cost, does not result in secondary pollution simultaneously, meet
Economy of power plant and environmental demand.
For solving above-mentioned technical problem, the technical solution adopted in the present invention is:
A kind of three-level air filtering system, including filtering room, is provided with low efficient filter, medium effeciency filter in described filtration room
And high efficiency particulate air filter, be provided with access path between described low efficient filter and medium effeciency filter, described medium effeciency filter with efficiently
It is provided with access path it is characterised in that described medium effeciency filter includes being arranged on the top drive filtered in room between filter
Cylinder, bottom drive cylinder and the follower rollers being arranged between top drive cylinder and bottom driving cylinder, described driven rolling
It is alternately mounted on about cylinder in filtration room；Described top drive cylinder, follower rollers and bottom drive and are coated with filtration on cylinder
Layer, drives the top of the filter layer between cylinder to be equipped with injection system positioned at the follower rollers filtering room bottom and bottom；
Described injection system includes the guiding device of cone and the anti-blowpipe connecting with compressed air source, the center of described guiding device
On the same line, the top of described guiding device is filled the centrage of line and anti-blowpipe with the end face of anti-blowpipe or water conservancy diversion
The top put is stretched in anti-blowpipe, and the follower rollers that the bottom surface of guiding device is just pointed to filter room bottom drive rolling with bottom
Filter layer between cylinder.
Described guiding device is connected with anti-blowpipe through fixing device.
Described fixing device includes the connection sheet being connected with guiding device, described connection sheet structure in the form of sheets, described water conservancy diversion
The axis of device is in the plane that connection sheet is located.
At least two connection sheets are evenly arranged with the outer wall of described guiding device.
Symmetrical connection two fixing device on the outer wall of described guiding device and the outer wall of anti-blowpipe, described fixing device is
Laminated structure.
Described injection system also includes breather, and described breather is communicated with multiple anti-blowpipes.
Described bottom drives cylinder and the lower section of the filter layer being located between the follower rollers filtering room bottom to arrange
There is receipts ash bucket.
Described filter layer one end is connected on top drive cylinder, and the other end sequentially passes through follower rollers and is connected to bottom
Portion drives on cylinder.
Described top drive cylinder and bottom drive cylinder to be rotated by motor, described top drive cylinder and drive
It is connected with decelerator, described bottom drives cylinder and motor to be connected with decelerator between galvanic electricity machine.
Compared with prior art, the method have the advantages that
The three-level air filtering system of the present invention, including filtering room, is provided with low efficient filter, middle imitated in described filtration room
Filter and high efficiency particulate air filter, are provided with access path between described low efficient filter and medium effeciency filter, described medium effeciency filter with
It is provided with access path, described medium effeciency filter includes being arranged on the top drive cylinder filtering in room, bottom between high efficiency particulate air filter
Portion drives cylinder and the follower rollers being arranged between top drive cylinder and bottom driving cylinder, hands over about described follower rollers
Filter in room for being arranged on；Described top drive cylinder, follower rollers and bottom drive and are coated with filter layer on cylinder, are located at
The follower rollers of filter room bottom and bottom drive the top of the filter layer between cylinder to be equipped with injection system；Described injection system
System includes guiding device and the anti-blowpipe connecting with compressed air source, the centrage of described guiding device and the anti-blowpipe of cone
Centrage on the same line, the top of the top of described guiding device and the end face of anti-blowpipe or guiding device is stretched
Enter in anti-blowpipe, the bottom surface of guiding device is just pointed to filter the follower rollers of room bottom and bottom drives the mistake between cylinder
Filtering layer.Drive cylinder can carry out folding and unfolding to filter layer by top drive cylinder and bottom, can be right by injection system
Filter layer carries out blowback, improves the service life of filter layer.The follower rollers being arranged alternately due to left and right are so that filter layer is formed
Multiple v fonts, compared to existing static filtering, improve filter area, thus improving the effect of filtration.
The injection system of bottom carries out to the filter layer of used (dirty) unifying to be blown, and what injection system can continue enters
Row injection, filters with respect to automatically cleaning and has the characteristics that explosion sound is little, reduces the pollution of environment.Compare and automatically cleaning mistake simultaneously
Filter technology, the dust that blows off is directly entered lower section and receives ash bucket, it is to avoid secondary pollution.The injection system of the present invention passes through cone
Guiding device compressed air uniformly can be shunted, improve injection effect.
The present invention has the characteristics that structure is simple, installs and easy to maintenance simultaneously, improves the practicality of the present invention.
In sum, the present invention have that structure is simple, filter area big, good filtration effect, long service life and low cost
Feature, meet economy and the requirement of environment.
The present invention can be applied not only to the inlet air filtration of gas turbine, and the air that can be also used for other field was evolved
Filter.
Brief description
Fig. 1 is the structural representation of the present invention, and the wherein direction of arrow represents the flow direction of gas；
Fig. 2 is the structural representation of the medium effeciency filter of the present invention；
Fig. 3 is the attachment structure schematic diagram of anti-blowpipe of the present invention and guiding device；
In figure labelling: 1, filter room, 2, low efficient filter, 3, medium effeciency filter, 4, high efficiency particulate air filter, 5, access path,
6th, follower rollers, 7, filter layer, 8, breather, 9, bottom drive cylinder, 10, anti-blowpipe, 11, guiding device, 12, fixing dress
Put, 13, receive ash bucket, 14, top drive cylinder, 15, connection sheet.
Specific embodiment
With reference to embodiment, the invention will be further described, and described embodiment is only a present invention part
Embodiment, is not whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art is not making
The embodiment used by other being obtained under the premise of creative work, broadly falls into protection scope of the present invention.
The present invention three-level air filtering system, including filter room 1, be provided with described filtration room 1 low efficient filter 2,
Medium effeciency filter 3 and high efficiency particulate air filter 4, are provided with access path 5 between described low efficient filter 2 and medium effeciency filter 3, described in
It is provided with access path 5, described medium effeciency filter 3 includes being arranged in filtration room 1 between effect filter 3 and high efficiency particulate air filter 4
Top drive cylinder 14, bottom drive cylinder 9 and the driven rolling being arranged between top drive cylinder 14 and bottom driving cylinder 9
Cylinder 6, described follower rollers 6 about are alternately mounted in filtration room 1；Described top drive cylinder 14, follower rollers 6 and bottom are driven
It is coated with filter layer 7 on dynamic cylinder 9, drive the filtration between cylinder 9 positioned at the follower rollers 6 filtering room 1 bottom and bottom
The top of layer 7 is equipped with injection system；Described injection system is included the guiding device 11 of cone and is connected with compressed air source
Anti-blowpipe 10, the centrage of described guiding device 11 and the centrage of anti-blowpipe 10 on the same line, described guiding device
11 top is stretched in anti-blowpipe 10 with the end face of anti-blowpipe 10 or the top of guiding device 11, the bottom of guiding device 11
Face is just pointed to filter the follower rollers 6 of room 1 bottom and bottom drives the filter layer 7 between cylinder 9.Filter layer 7 one end is even
It is connected on top drive cylinder 14, the other end sequentially passes through follower rollers 6 and is connected to bottom and drives on cylinder 9 so that bottom
Drive cylinder 9 and top drive cylinder 14 that filter layer 7 can be driven mobile, and in the presence of injection system, filter layer
Can recycle.The top drive cylinder of the present invention and bottom drive and can coat more filter layer on cylinder simultaneously, prolong
The length of long filter layer, thus reducing the number of times changing filter layer, reducing maintenance cost, improving the practicality of the present invention.
The injection system of the present invention also includes breather 8, and breather 8 is communicated with multiple anti-blowpipes 10, breather 8 and compression
Air source connects, and is uniformly arranged on filter layer 7 by multiple anti-blowpipes 10, improves the effect of filter layer injection.
Top drive cylinder 14 and bottom drive cylinder 9 to be used for the folding and unfolding of filter layer 7 so that what filter layer 7 can circulate
Use.Drive rolling from the air filtering room 1 air inlet entrance by being arranged in top drive cylinder 14, follower rollers 6 and bottom
Filter layer 7 on cylinder 9 is filtered, and when the dust that filter layer 7 needs absorption is more, bottom drives cylinder 9 to drive
Filtering layer 7 moves down, and is filtered by injection system, thus the dust on filter layer is cleared up by absorption, makes
Obtain filter layer can recycle.
Top drive cylinder 14 and bottom drive cylinder 9 can carry out folding and unfolding to filter layer 7, can by injection system
Filter layer is carried out with blowback, improves the service life of filter layer.The follower rollers that are arranged alternately due to left and right are so that filter layer shape
Become multiple v fonts, compared to existing static filtering, improve filter area, thus improving the effect of filtration.
The injection system of bottom carries out to the filter layer of used (dirty) unifying to be blown, and what injection system can continue enters
Row injection, filters with respect to automatically cleaning and has the characteristics that explosion sound is little, reduces the pollution of environment.Compare and automatically cleaning mistake simultaneously
Filter technology, the dust blowing off is directly entered lower section and receives ash bucket 13, it is to avoid secondary pollution.The injection system of the present invention passes through circular cone
Compressed air can uniformly be shunted by the guiding device 11 of shape, improves the effect of injection.
The top of the top of guiding device 11 of the present invention and the end face of anti-blowpipe 10 or guiding device 11 is stretched into instead
In blowpipe 10.The top of guiding device of the present invention can also have a certain distance with the end face of anti-blowpipe, in guiding device
The centrage of heart line and anti-blowpipe and filter cylinder on the same line, equally can ensure that guiding device being capable of dispersed anti-blowpipe
The compressed air of injection.
The guiding device 11 of the present invention may be arranged as truncated cone-shaped, and the centrage of truncated cone-shaped guiding device and blowback
On the same line, the upper bottom surface (the less end face of radius) of truncated cone-shaped guiding device is towards anti-blowpipe, round platform for the centrage of pipe
The bottom surface (the larger end face of radius) of shape guiding device is towards filter layer.(radius is less for the upper bottom surface of truncated cone-shaped guiding device
End face) with the end contact of anti-blowpipe it is also possible to extend in anti-blowpipe, or can have one with the end face of anti-blowpipe
Fixed spacing.
As a kind of preferred mode of the present invention, guiding device is in cone.
Guiding device 11 is connected with anti-blowpipe 10 through fixing device 12, by fixing device 12, guiding device 11 is carried out solid
Determine and position；In the other structures that the guiding device 11 of the present invention can also be fixed on by fixing device, as long as being capable of
Fixation to guiding device and ensure the centrage of the centrage of guiding device and anti-blowpipe on the same line, broadly falls into this
The protection domain of invention.
The centrage of the guiding device 11 of the present invention can also be on the no longer same straight line with the centrage of anti-blowpipe 10.But
In order to ensure the scattered uniformity of guiding device 11, as preferred mode, the centrage of guiding device and the center of anti-blowpipe
Line is on the same line.
Preferably, described fixing device 12 includes the connection sheet 15 being connected with guiding device 11, and described connection sheet 15 is in piece
Shape structure, the axis of described guiding device 11 is in the plane that connection sheet 15 is located.By being directly connected to guiding device
Connection sheet be set to laminated structure, connection, in the plane that connection sheet is located, can be reduced in the axis of guiding device simultaneously
The barrier effect to the air that anti-blowpipe sprays for the piece, thus improving the uniformity of guiding device water conservancy diversion, thus improve to filter cylinder
Blowback effect.
In order to improve the stable connection of guiding device and the uniformity of water conservancy diversion, the outer wall of guiding device 11 uniformly connects
It is connected at least two connection sheets 15.
As a kind of preferred mode of the present invention, the outer wall of guiding device is symmetrical with the outer wall of anti-blowpipe to be connected with two
Fixing device, fixing device is laminated structure, in order to reduce the impact to the air that anti-blowpipe sprays for the fixing device, guiding device
Axis in the plane that fixing device is located；The fixing device of laminated structure is easily installed and processes, and improves the present invention's
Practicality.As a kind of mode of selection of the present invention, fixing device is connected with guiding device and anti-blowpipe by way of welding.
Described bottom drives cylinder 9 and the lower section of the filter layer 7 being located between the follower rollers 6 filtering room 1 bottom
It is equipped with receipts ash bucket 13.Ash bucket 13 is received by setting, can directly fall into receipts ash bucket 13 through the dust of injection, both be easy to dust
Collection, be prevented from secondary pollution again, improve the filter effect of the present invention.
As a kind of preferred mode of the present invention, receiving ash bucket is small top and big bottom funnel-form, is easy to the collection of dust.
As a kind of mode of selection of the present invention, described top drive cylinder and bottom drive cylinder to be driven by motor
Rotation, is connected with decelerator between described top drive cylinder and motor, and described bottom drives cylinder with motor even
It is connected to decelerator.Wherein, motor and decelerator belong to prior art products, and those skilled in the art can understand and manage
Solution, will not be described here.
As a kind of mode of selection of the present invention, top drive cylinder, bottom drive cylinder and follower rollers through bearing block
It is arranged on filtration room.The present invention is made to have the simple feature of structure.
To sum up, the present invention have that structure is simple, filter area big, the spy of good filtration effect, long service life and low cost
Point, meets economy and the requirement of environment.
The present invention can be applied not only to the inlet air filtration of gas turbine, and the air that can be also used for other field was evolved
Filter.
Embodiment one
The three-level air filtering system of the present embodiment, including filtering room, is provided with low efficient filter, middle effect in described filtration room
Filter and high efficiency particulate air filter, are provided with access path between described low efficient filter and medium effeciency filter, described medium effeciency filter
Be provided with access path and high efficiency particulate air filter between, described medium effeciency filter include being arranged on the top drive cylinder filtering in room,
Bottom drives cylinder and the follower rollers being arranged between top drive cylinder and bottom driving cylinder, about described follower rollers
It is alternately mounted in filtration room；Described top drive cylinder, follower rollers and bottom drive and are coated with filter layer on cylinder, are located at
Filter the follower rollers of room bottom and bottom drives the top of the filter layer between cylinder to be equipped with injection system；Described injection
System includes guiding device and the anti-blowpipe connecting with compressed air source, the centrage of described guiding device and the blowback of cone
The centrage of pipe on the same line, the top of the top of described guiding device and the end face of anti-blowpipe or guiding device
Stretch in anti-blowpipe, the bottom surface of guiding device is just pointed to filter the follower rollers of room bottom and bottom drives between cylinder
Filter layer.
Embodiment two
The three-level air filtering system of the present embodiment, including filtering room, is provided with low efficient filter, middle effect in described filtration room
Filter and high efficiency particulate air filter, are provided with access path between described low efficient filter and medium effeciency filter, described medium effeciency filter
Be provided with access path and high efficiency particulate air filter between, described medium effeciency filter include being arranged on the top drive cylinder filtering in room,
Bottom drives cylinder and the follower rollers being arranged between top drive cylinder and bottom driving cylinder, about described follower rollers
It is alternately mounted in filtration room；Described top drive cylinder, follower rollers and bottom drive and are coated with filter layer on cylinder, are located at
Filter the follower rollers of room bottom and bottom drives the top of the filter layer between cylinder to be equipped with injection system；Described injection
System includes guiding device and the anti-blowpipe connecting with compressed air source, the centrage of described guiding device and the blowback of cone
The centrage of pipe on the same line, the top of the top of described guiding device and the end face of anti-blowpipe or guiding device
Stretch in anti-blowpipe, the bottom surface of guiding device is just pointed to filter the follower rollers of room bottom and bottom drives between cylinder
Filter layer.Guiding device is connected with anti-blowpipe through fixing device.
Embodiment three
The three-level air filtering system of the present embodiment, including filtering room, is provided with low efficient filter, middle effect in described filtration room
Filter and high efficiency particulate air filter, are provided with access path between described low efficient filter and medium effeciency filter, described medium effeciency filter
Be provided with access path and high efficiency particulate air filter between, described medium effeciency filter include being arranged on the top drive cylinder filtering in room,
Bottom drives cylinder and the follower rollers being arranged between top drive cylinder and bottom driving cylinder, about described follower rollers
It is alternately mounted in filtration room；Described top drive cylinder, follower rollers and bottom drive and are coated with filter layer on cylinder, are located at
Filter the follower rollers of room bottom and bottom drives the top of the filter layer between cylinder to be equipped with injection system；Described injection
System includes guiding device and the anti-blowpipe connecting with compressed air source, the centrage of described guiding device and the blowback of cone
The centrage of pipe on the same line, the top of the top of described guiding device and the end face of anti-blowpipe or guiding device
Stretch in anti-blowpipe, the bottom surface of guiding device is just pointed to filter the follower rollers of room bottom and bottom drives between cylinder
Filter layer.Guiding device is connected with anti-blowpipe through fixing device；Fixing device includes the connection sheet being connected with guiding device, described
Connection sheet structure in the form of sheets, the axis of described guiding device is in the plane that connection sheet is located.
Embodiment three
The three-level air filtering system of the present embodiment, including filtering room, is provided with low efficient filter, middle effect in described filtration room
Filter and high efficiency particulate air filter, are provided with access path between described low efficient filter and medium effeciency filter, described medium effeciency filter
Be provided with access path and high efficiency particulate air filter between, described medium effeciency filter include being arranged on the top drive cylinder filtering in room,
Bottom drives cylinder and the follower rollers being arranged between top drive cylinder and bottom driving cylinder, about described follower rollers
It is alternately mounted in filtration room；Described top drive cylinder, follower rollers and bottom drive and are coated with filter layer on cylinder, are located at
Filter the follower rollers of room bottom and bottom drives the top of the filter layer between cylinder to be equipped with injection system；Described injection
System includes guiding device and the anti-blowpipe connecting with compressed air source, the centrage of described guiding device and the blowback of cone
The centrage of pipe on the same line, the top of the top of described guiding device and the end face of anti-blowpipe or guiding device
Stretch in anti-blowpipe, the bottom surface of guiding device is just pointed to filter the follower rollers of room bottom and bottom drives between cylinder
Filter layer.Guiding device is connected with anti-blowpipe through fixing device；Fixing device includes the connection sheet being connected with guiding device, described
Connection sheet structure in the form of sheets, the axis of described guiding device is in the plane that connection sheet is located.Described injection system also includes
Breather, described breather is communicated with multiple anti-blowpipes.Described bottom drive cylinder with driven positioned at filtration room bottom
The lower section of the filter layer between cylinder is equipped with receipts ash bucket.Described filter layer one end is connected on top drive cylinder, another
End sequentially passes through follower rollers and is connected on bottom driving cylinder.Described top drive cylinder and bottom drive cylinder by driving
Motor is rotated, and is connected with decelerator between described top drive cylinder and motor, and described bottom drives cylinder and drive
Galvanic electricity machine is connected with decelerator.
Claims (1)
1. a kind of three-level air filtering system, including filter room, be provided with described filtration room low efficient filter, medium effeciency filter and
High efficiency particulate air filter, is provided with access path between described low efficient filter and medium effeciency filter, described medium effeciency filter and efficient mistake
It is provided with access path it is characterised in that described medium effeciency filter includes being arranged on the top drive rolling filtering in room between filter
Cylinder, bottom drive cylinder and the follower rollers being arranged between top drive cylinder and bottom driving cylinder, described follower rollers
Left and right is alternately mounted in filtration room；Described top drive cylinder, follower rollers and bottom drive and are coated with filter layer on cylinder,
It is located at the follower rollers filtering room bottom and bottom drives the top of the filter layer between cylinder to be equipped with injection system；Described
Injection system include cone guiding device and anti-blowpipe connect with compressed air source, the centrage of described guiding device and
The centrage of anti-blowpipe on the same line, the top of described guiding device and the end face of anti-blowpipe or guiding device
Top is stretched in anti-blowpipe, the bottom surface of guiding device is just being pointed to filter the follower rollers of room bottom and bottom drive cylinder it
Between filter layer；Described guiding device is connected with anti-blowpipe through fixing device；Described fixing device includes being connected with guiding device
Connection sheet, described connection sheet is to reduce the laminated structure of the gas barrier effect that connection sheet sprays to anti-blowpipe, described
The axis of guiding device is in the plane that connection sheet is located；It is evenly arranged with least two even on the outer wall of described guiding device
Contact pin；The outer wall of described guiding device and symmetrical connection two fixing device on the outer wall of anti-blowpipe, described fixing device is piece
Shape structure；Described injection system also includes breather, and described breather is communicated with multiple anti-blowpipes；Described bottom drives cylinder
And the lower section of the filter layer between the follower rollers filtering room bottom is equipped with receipts ash bucket；Described filter layer one end is even
It is connected on top drive cylinder, the other end sequentially passes through follower rollers and is connected on bottom driving cylinder；Described top drive
Cylinder and bottom drive cylinder to be rotated by motor, are connected with deceleration between described top drive cylinder and motor
Device, described bottom drives cylinder and motor to be connected with decelerator.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410689027.6A CN104492173B (en) | 2014-11-26 | 2014-11-26 | Three-stage air filtration system |
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|---|---|---|---|
| CN201410689027.6A CN104492173B (en) | 2014-11-26 | 2014-11-26 | Three-stage air filtration system |
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| CN104492173A CN104492173A (en) | 2015-04-08 |
| CN104492173B true CN104492173B (en) | 2017-01-18 |
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| CN201410689027.6A Expired - Fee Related CN104492173B (en) | 2014-11-26 | 2014-11-26 | Three-stage air filtration system |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105089806A (en) * | 2015-08-21 | 2015-11-25 | 成都博世德能源科技股份有限公司 | Three-stage air filtering system with efficient noise elimination function |
| CN105089789A (en) * | 2015-08-21 | 2015-11-25 | 成都博世德能源科技股份有限公司 | Multi-stage integrated form high-efficiency noise elimination filter system for air purification of combustion gas turbine |
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