CN112403117A - Filter system - Google Patents

Filter system Download PDF

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Publication number
CN112403117A
CN112403117A CN202011323315.1A CN202011323315A CN112403117A CN 112403117 A CN112403117 A CN 112403117A CN 202011323315 A CN202011323315 A CN 202011323315A CN 112403117 A CN112403117 A CN 112403117A
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CN
China
Prior art keywords
air
dust
air inlet
filter
chamber
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202011323315.1A
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Chinese (zh)
Inventor
宋明泽
李刚
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Hongsheng New Material Technology Group Co ltd
Original Assignee
Zhejiang Hongsheng New Material Technology Group Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zhejiang Hongsheng New Material Technology Group Co ltd filed Critical Zhejiang Hongsheng New Material Technology Group Co ltd
Priority to CN202011323315.1A priority Critical patent/CN112403117A/en
Publication of CN112403117A publication Critical patent/CN112403117A/en
Pending legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
    • B01D46/023—Pockets filters, i.e. multiple bag filters mounted on a common frame
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/0001—Making filtering elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/24—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
    • B01D46/2403—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies characterised by the physical shape or structure of the filtering element
    • B01D46/2411—Filter cartridges
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/52—Particle separators, e.g. dust precipitators, using filters embodying folded corrugated or wound sheet material
    • B01D46/521—Particle separators, e.g. dust precipitators, using filters embodying folded corrugated or wound sheet material using folded, pleated material
    • B01D46/525—Particle separators, e.g. dust precipitators, using filters embodying folded corrugated or wound sheet material using folded, pleated material which comprises flutes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/56—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/66—Regeneration of the filtering material or filter elements inside the filter
    • B01D46/74—Regeneration of the filtering material or filter elements inside the filter by forces created by movement of the filter element
    • B01D46/76—Regeneration of the filtering material or filter elements inside the filter by forces created by movement of the filter element involving vibrations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D51/00—Auxiliary pretreatment of gases or vapours to be cleaned
    • B01D51/02—Amassing the particles, e.g. by flocculation
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
    • Y02A50/2351—Atmospheric particulate matter [PM], e.g. carbon smoke microparticles, smog, aerosol particles, dust

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

Abstract

The invention discloses a filtering system which comprises an air inlet guide sleeve, wherein an air inlet of the air inlet guide sleeve is positioned at the top of the air inlet guide sleeve, an air outlet of the air inlet guide sleeve is positioned at the bottom of the air inlet guide sleeve, and the ventilation area of the air inlet guide sleeve is gradually increased from top to bottom; the top of the dust air chamber is opened to form an air inlet, the air inlet of the dust air chamber is connected with the air outlet of the air inlet guide sleeve, and the bottom of the dust air chamber is provided with at least one dust outlet; four filter assemblies distributed along four end points of the cross, the filter assemblies including a plurality of filter elements; the air purifying chambers are arranged among the four filter assemblies, and air outlets of the filter elements are communicated with the air purifying chambers; and the air inlet end of the air outlet pipeline is communicated with the air outlet of the air purifying chamber. Therefore, the air inlet airflow direction is consistent with the falling direction of the dust, the dust can fall to the dust outlet at the bottom of the dust air chamber, the dust settling is facilitated, and the raised dust is effectively reduced.

Description

Filter system
Technical Field
The invention relates to the technical field of flue gas dust removal, in particular to a filtering system.
Background
In the world, environmental protection, energy conservation and emission reduction become key work at present and for a long time in the future. China has already listed the energy-saving and environment-friendly industry as the first of the strategic emerging industry, and the environmental protection of industrial enterprises is the most important. Electric dust removal and bag type dust removal are the leading technologies of industrial environment-friendly dust removal at present, and along with the strictness of the environmental protection policy, the application of the bag type dust removal is wide.
The problems of large filtration resistance, poor uniformity of air flow distribution, low filtration efficiency and the like often occur when the existing dust remover is applied. In addition, the air inlet direction is not consistent with the settling direction of dust, and dust is easy to raise.
Disclosure of Invention
In view of the above, the present invention provides a filter system, which has a structure designed to effectively reduce the dust emission and improve the filtering efficiency.
In order to achieve the purpose, the invention provides the following technical scheme:
a filtration system comprising:
the air inlet guide sleeve is provided with an air inlet and an air outlet, the air inlet of the air inlet guide sleeve is positioned at the top of the air inlet guide sleeve, the air outlet of the air inlet guide sleeve is positioned at the bottom of the air inlet guide sleeve, and the ventilation area of the air inlet guide sleeve is gradually increased from top to bottom;
the dust chamber is positioned below the air inlet guide cover, the top of the dust chamber is opened to form an air inlet, the air inlet of the dust chamber is connected with the air outlet of the air inlet guide cover, and the bottom of the dust chamber is provided with at least one dust outlet;
four filter assemblies located within the dust and air chamber, the four filter assemblies distributed along four endpoints of a cross, the filter assemblies including a plurality of filter elements;
the air purifying chambers are arranged among the four filter assemblies, air outlets of the filter elements are communicated with the air purifying chambers, and airflow in the dust air chamber enters the air purifying chambers after flowing through the filter assemblies;
and the air inlet end of the air outlet pipeline is communicated with the air outlet of the air purifying chamber.
Preferably, in the above filtration system, the air intake guide sleeve is in a shape of a quadrangular frustum pyramid.
Preferably, the filtering system further comprises a pre-charging device, and the pre-charging device is located upstream of the filtering assembly.
Preferably, in the above filtration system, the pre-charging device is disposed in the dust chamber or the air intake guide sleeve.
Preferably, in the above filtration system, the plurality of filter members includes a plurality of filter bags and/or a plurality of filter cartridges.
Preferably, in the above filtration system, the plurality of filter elements includes at least one filter cartridge;
the filter cylinder comprises a support cylinder, a fold filter material coated on the outer wall of the support cylinder, and a first cover and a second cover which are respectively fixedly connected with the two ends of the support cylinder, wherein a plurality of through holes are formed in the wall of the support cylinder, one end of the support cylinder forms an air outlet, and air flow enters the support cylinder through the fold filter material and then is discharged from the air outlet formed by at least one end of the support cylinder.
Preferably, the filter system further comprises a partition board disposed in the dust and air chamber, and the partition board separates the air purifying chamber from the dust and air chamber.
Preferably, the filter system further includes four metal frames disposed in the dust and air chamber, and the four filter assemblies are respectively disposed in the four metal frames;
the filter assembly is characterized by further comprising four rapping devices fixedly connected with the four metal frames respectively, wherein the rapping devices are used for rapping the metal frames so as to enable the metal frames and the filter assembly to vibrate.
Preferably, the filter system further comprises an ash hopper communicated with the ash outlet of the dust chamber and an ash conveying device connected with the bottom of the ash hopper.
The filtering system provided by the invention comprises an air inlet guide sleeve, a dust air chamber, a filtering component, an air purifying chamber and an air outlet pipeline.
The air inlet guide sleeve is provided with an air inlet and an air outlet, dust-carrying air flows into the air inlet guide sleeve through the air inlet, and is discharged out of the air inlet guide sleeve from the air outlet. The air inlet of the air inlet guide cover is positioned at the top of the air inlet guide cover, and the air outlet of the air inlet guide cover is positioned at the bottom of the air inlet guide cover. The ventilation area of the air inlet guide cover is gradually increased from top to bottom. Namely, the air inlet guide sleeve is in a flaring shape from top to bottom. The ventilation section of the air inlet guide cover is gradually increased along the direction close to the dust air chamber.
The dust air chamber is positioned below the air inlet guide cover. The top of the dust chamber is open to form an air inlet, i.e. the air inlet of the dust chamber is located at the top of the dust chamber. The air inlet of the dust air chamber is connected with the air outlet of the air inlet flow guide cover, and the air inlet of the dust air chamber is opposite to and connected with the air outlet of the air inlet flow guide cover. The dust-carrying air flow is guided into the dust air chamber by the air inlet guide sleeve. The bottom of the whole top dust chamber, which covers the dust chamber, of the ventilation section of the air inlet of the dust chamber is provided with at least one dust outlet, and dust is discharged through the dust outlet at the bottom of the dust chamber.
The number of the filter assemblies is four, and the four filter assemblies are all positioned in the dust and air chamber. The four filter assemblies are arranged in pairs. That is, four filter assemblies are distributed in two groups, and each group of filter assemblies comprises two opposite filter assemblies.
The filter assembly includes a plurality of filter elements with a gap between adjacent filter elements. Preferably, the dust chamber is cuboid. The axial direction of the filter member may be arranged horizontally or the angle between the axial direction of the filter member and the horizontal plane is an acute angle, which is not limited herein.
The air purifying chamber is arranged among the four filter assemblies, namely the four filter assemblies are distributed along the circumferential direction of the air purifying chamber. Preferably, the four filter assemblies are evenly distributed circumferentially along the plenum. The air outlets of the filtering pieces are communicated with the air purifying chamber. The dust-laden air flow in the dust chamber enters the air purifying chamber after passing through the filter assembly.
The air inlet end of the air outlet pipeline is communicated with the air outlet of the air purifying chamber, and the air entering the air purifying chamber after being filtered can be discharged through the air outlet pipeline.
When the filtering system provided by the embodiment is applied, as the ventilation area of the air inlet guide cover is gradually increased from top to bottom, the dust-carrying airflow entering the air inlet guide cover can be gradually diffused along the air inlet guide cover, and the dust-carrying airflow can enter the dust air chamber more uniformly. The air current that takes dirt gets into the dirt air chamber after discharging in the air inlet kuppe, and the air current that gets into in the dirt air chamber gets into four filter assembly respectively and filters, and the air current after a plurality of filter assembly filter gets into in the clean air chamber, and finally the gas in the clean air chamber can be through air-out pipeline discharge. In the filtering process, the dust-carrying airflow enters the dust air chamber through the air inlet at the top of the dust air chamber, so that the air inlet airflow direction is consistent with the falling direction of the dust, the dust can fall to the dust outlet at the bottom of the dust air chamber, the dust can be more favorably settled, and the raised dust is effectively reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a top view of a filtration system provided by an embodiment of the present invention.
In fig. 1:
1-dust air chamber, 2-metal frame, 3-filter, 4-air purification chamber, 5-rapping device.
Detailed Description
The invention aims to provide a filter system, which has a structural design that can effectively reduce dust emission and improve the filtering efficiency.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left" and "right", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the positions or elements referred to must have specific orientations, be constructed in specific orientations, and be operated, and thus are not to be construed as limitations of the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Referring to fig. 1, the filtering system provided by the present invention includes an air intake guiding hood, a dust and air chamber 1, a filtering assembly, an air purifying chamber 4 and an air outlet duct.
The air inlet guide sleeve is provided with an air inlet and an air outlet, dust-carrying air flows into the air inlet guide sleeve through the air inlet, and is discharged out of the air inlet guide sleeve from the air outlet. The air inlet of the air inlet guide cover is positioned at the top of the air inlet guide cover, and the air outlet of the air inlet guide cover is positioned at the bottom of the air inlet guide cover. The ventilation area of the air inlet guide cover is gradually increased from top to bottom. Namely, the air inlet guide sleeve is in a flaring shape from top to bottom. The ventilation section of the air inlet guide cover is gradually increased along the direction close to the dust air chamber 1.
The dust air chamber 1 is positioned below the air inlet guide sleeve. The top of the dust chamber 1 is open to form an air inlet, i.e. the air inlet of the dust chamber 1 is located at the top of the dust chamber 1. An air inlet of the dust air chamber 1 is connected with an air outlet of the air inlet flow guide sleeve, and an air inlet of the dust air chamber 1 is opposite to and connected with an air outlet of the air inlet flow guide sleeve. The dust-carrying air flow is guided into the dust air chamber 1 by the air inlet guide sleeve. The ventilation section of the air inlet of the dust chamber 1 covers the whole top of the dust chamber 1.
At least one dust outlet is arranged at the bottom of the dust air chamber 1, and dust is discharged through the dust outlet at the bottom of the dust air chamber 1.
The number of the filter assemblies is four, and the four filter assemblies are all positioned in the dust air chamber 1. The four filter assemblies are distributed along four end points of the cross, namely the four filter assemblies are distributed in two groups, any group of filter assemblies comprises two opposite filter assemblies, and the two filter assemblies in the same group are respectively positioned at the two opposite end points of the cross.
The filter assembly includes a plurality of filter members 3, and a gap is provided between adjacent two filter members 3. Preferably, the dust and gas chamber 1 is cuboid. The axial direction of the filter member 3 may be arranged horizontally or the angle between the axial direction of the filter member 3 and the horizontal plane may be an acute angle, which is not limited herein.
The plenum 4 is disposed between four filter assemblies, i.e., the four filter assemblies are circumferentially distributed along the plenum 4. The number of the purge chambers 4 may be one. Preferably, the four filter assemblies are evenly distributed circumferentially along the plenum 4. The air outlets of the filter elements 3 are communicated with the air purifying chamber 4. The dust-laden air flow in the dust chamber 1 passes through the filter assembly and enters the air purifying chamber 4.
The air inlet end of the air outlet pipeline is communicated with the air outlet of the air purifying chamber 4, namely, the filtered air entering the air purifying chamber 4 can be discharged through the air outlet pipeline.
When the filtering system provided by the embodiment is applied, as the ventilation area of the air inlet guide cover is gradually increased from top to bottom, dust-carrying airflow entering the air inlet guide cover can be gradually diffused along the air inlet guide cover, and more uniformly enters the dust air chamber 1. The dust-carrying airflow enters the dust air chamber 1 after being discharged from the air inlet guide sleeve, the airflow entering the dust air chamber 1 respectively enters the four filtering assemblies for filtering, the airflow filtered by the filtering assemblies enters the air purifying chamber 4, and finally the air in the air purifying chamber 4 can be discharged through the air outlet pipeline. In the above-mentioned filtering process, the air intake that takes dirt air current to pass through dirt air chamber 1 top gets into dirt air chamber 1, and the whereabouts direction of this air intake air current direction and dust is unanimous, and the dust can descend to the dust outlet of dirt air chamber 1 bottom, is favorable to subsiding of dust more, has effectively reduced the raise dust.
The filtering system is a modularized whole, and is convenient to install, maintain and overhaul. The material can be transported to an application site after being assembled in a factory building, or can be directly assembled at the application site, and is not limited herein.
Preferably, the air inlet guide sleeve is in a quadrangular frustum pyramid shape. So, be convenient for the air inlet kuppe to be connected with the top of dirt air chamber 1 more. Of course, the air intake guiding cover may also be in the shape of a circular truncated cone, a polygonal truncated cone, or the like, and is not limited herein.
In an embodiment, the filtering system may further include a pre-charging device, and the pre-charging device is located upstream of the filtering assembly. The pre-charging device is positioned at the upstream of the plurality of filter pieces 3, and the dusty airflow passes through the pre-charging device and then passes through the filter pieces 3. So can make the dust lotus electricity, the fine dust after the lotus electricity can condense into great particle, and partly directly drops the ash hole along with the air current, and partly filter 3 surfaces formation structure loose dust layer at the filter, and the dust lotus electricity is favorable to the entrapment simultaneously, can improve the dust concentration of the 1 entrance of dirt air chamber greatly. Test data shows that the filtering efficiency can be improved by one order of magnitude by arranging the filtering system of the pre-charging device, and the filtering resistance is obviously reduced, so that the filtering speed is improved, and the service life of the filtering piece 3 is prolonged.
Specifically, the pre-charging device may be disposed within the air intake shroud. The pre-charging device can cover the ventilation surface of the air inlet guide sleeve, so that dust-carrying airflow in the air inlet guide sleeve must pass through the pre-charging device.
In another embodiment, the pre-charging device may also be disposed in the dust chamber 1, and the pre-charging device is disposed between the air inlet of the dust chamber 1 and the filter assembly. A pre-charging device is arranged at the lower side of an air inlet of the dust and air chamber 1.
Specifically, the plurality of filter elements 3 includes a plurality of filter bags and/or a plurality of filter cartridges. The plurality of filter members 3 may be a plurality of filter bags. The plurality of filter bags may also be a plurality of filter cartridges.
The plurality of filter elements 3 may also comprise a plurality of filter bags and a plurality of filter cartridges. In this embodiment, a plurality of filter cartridges and a plurality of filter bags of the same filter module may be alternately arranged in a horizontal direction. A plurality of filter bags and a plurality of filter cylinders are used for filtering simultaneously in the dust and air chamber 1, so that the filtering area is ensured, and the cost is not increased greatly.
In another embodiment, the plurality of filter elements 3 includes at least one filter cartridge.
The filter cartridge comprises a support cartridge, pleated filter media, a first cover and a second cover. Wherein, the fold filter material is coated on the outer wall of the supporting cylinder. The first cover and the second cover are respectively fixedly connected with two ends of the supporting cylinder, and the first cover and the second cover can be connected with the supporting cylinder through bolts or clamped, so that subsequent maintenance and overhaul are facilitated.
The wall of the supporting cylinder is provided with a plurality of through holes, so that the air flow passing through the folded filter material enters the supporting cylinder through the through holes on the supporting cylinder. One end of the supporting cylinder forms an air outlet.
When the filter drum is used for filtering, dust-carrying air flows through the pleated filter material and then enters the support drum, and the air in the support drum is discharged through the air outlet of the support drum.
The filter cylinder is preferably a high-temperature-resistant filter cylinder, and the preparation method of the filter cylinder comprises the following steps of firstly processing a filter material into a folded structure, and folding the high-temperature-resistant filter material according to the process requirements through a folding machine. One end of the high-temperature-resistant filter material folded into folds is connected with the first cover, and the other end of the high-temperature-resistant filter material is connected with the second cover, so that the high-temperature-resistant filter cylinder is formed. The support cylinder is made of metal materials to ensure that the corrugated filter material cannot deform when the ash is removed by blowing.
The folded filter material can be a rigid glass fiber filter material, a rigid glass fiber membrane-coated filter material, a rigid perlite expanded felt filter material, a rigid glass fiber mixed woven filter material, a rigid high silica (modified) fiber membrane-coated filter material and the like.
In addition, the filtering system also comprises a partition board arranged in the dust gas chamber 1, and the partition board separates the gas purifying chamber 4 from the dust gas chamber 1. Specifically, the partition is located in the dust chamber 1, and divides the space between the four filter assemblies into the air purifying chamber 4.
Of course, the air purifying chamber 4 may be located outside the dust chamber 1, and is not limited herein. The air outlet of the filtering piece 3 is fixedly connected with the partition board. In the normal process, the gas in the dust and gas chamber 1 can only enter the inside of the supporting cylinder through the folded filter material, and the gas in the supporting cylinder can only flow into the gas purifying chamber 4.
The air purifying chamber 4 can be square, and four filter components are respectively positioned at the outer sides of four side walls of the air purifying chamber 4. The four filter assemblies are distributed in a cross shape.
Further, the filtering system further comprises four metal frames 2 arranged in the dust chamber 1, and one filtering assembly is arranged in each metal frame 2, namely the four filtering assemblies are respectively positioned in the four metal frames 2. The filtering component positioned in the metal frame 2 is fixedly connected with the metal frame 2. The metal frame 2 is formed integrally with the filter assembly inside it. One side of the metal frame 2 may be fixedly connected with a side wall of the air-purifying chamber 4. Preferably, four rapping devices 5 are further included, which are fixedly connected to the four metal frames 2, respectively, the rapping devices 5 being adapted to rap the metal frames 2 to vibrate the metal frames 2 and the filter assembly. When the rapping device 5 is started, the dust on the surface of the filtering piece 3 falls off after being vibrated, so that the ash removal and the regeneration are realized. The ash removal mode is set as vibration ash removal, the metal frame 2 and the filtering piece 3 vibrate through vibration, and dust accumulated on the surface is shaken off.
In order to collect the dust collected to the dust outlet in time, the filtering system also comprises a dust hopper communicated with the dust outlet of the dust air chamber 1 and a dust conveying device connected with the bottom of the dust hopper. The open-top and the ash hole of ash bucket are connected, so, the dust falls to and then gets into the ash bucket in the ash hole, finally shifts through defeated grey device.
In the above embodiments, the ash conveying device may be a screw rod device, a pneumatic device, etc., and is not limited herein.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims (9)

1. A filtration system, comprising:
the air inlet guide sleeve is provided with an air inlet and an air outlet, the air inlet of the air inlet guide sleeve is positioned at the top of the air inlet guide sleeve, the air outlet of the air inlet guide sleeve is positioned at the bottom of the air inlet guide sleeve, and the ventilation area of the air inlet guide sleeve is gradually increased from top to bottom;
the dust chamber (1) is positioned below the air inlet guide cover, the top of the dust chamber (1) is opened to form an air inlet, the air inlet of the dust chamber (1) is connected with the air outlet of the air inlet guide cover, and the bottom of the dust chamber (1) is provided with at least one dust outlet;
four filter assemblies located in the dust chamber (1), the four filter assemblies being distributed along four end points of a cross, the filter assemblies comprising a plurality of filter elements (3);
the air purifying chamber (4) is arranged among the four filter assemblies, air outlets of the filter elements (3) are communicated with the air purifying chamber (4), and airflow in the dust air chamber (1) enters the air purifying chamber (4) after flowing through the filter assemblies;
and the air inlet end of the air outlet pipeline is communicated with the air outlet of the air purifying chamber (4).
2. The filtration system of claim 1, wherein the inlet air dome is rectangular frustum-shaped.
3. The filtration system of claim 1, further comprising a pre-charging device located upstream of the filtration assembly.
4. A filter system according to claim 3, wherein the pre-charging means is arranged in the dust chamber (1) or air intake dome.
5. A filtration system according to claim 1, wherein the plurality of filter elements (3) comprises a plurality of filter bags and/or a plurality of filter cartridges.
6. A filtering system according to claim 1, wherein the plurality of filtering elements (3) comprises at least one filtering cartridge;
the filter cylinder comprises a support cylinder, a fold filter material coated on the outer wall of the support cylinder, and a first cover and a second cover which are respectively fixedly connected with the two ends of the support cylinder, wherein a plurality of through holes are formed in the wall of the support cylinder, one end of the support cylinder forms an air outlet, and air flow enters the support cylinder through the fold filter material and then is discharged from the air outlet formed by at least one end of the support cylinder.
7. A filter system according to claim 1, further comprising a partition arranged in the dust chamber (1), the partition separating the gas purging chamber (4) from the dust chamber (1).
8. A filter system according to claim 1, further comprising four metal frames (2) arranged in the dust chamber (1), four filter assemblies being located in the four metal frames (2), respectively;
the filter assembly is characterized by further comprising four rapping devices (5) fixedly connected with the four metal frames (2) respectively, wherein the rapping devices (5) are used for rapping the metal frames (2) so as to enable the metal frames (2) and the filter assembly to vibrate.
9. A filter system according to claim 1, further comprising a dust hopper communicating with the dust outlet of the dust chamber (1) and a dust conveying means connected to the bottom of the dust hopper.
CN202011323315.1A 2020-11-23 2020-11-23 Filter system Pending CN112403117A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011323315.1A CN112403117A (en) 2020-11-23 2020-11-23 Filter system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011323315.1A CN112403117A (en) 2020-11-23 2020-11-23 Filter system

Publications (1)

Publication Number Publication Date
CN112403117A true CN112403117A (en) 2021-02-26

Family

ID=74777500

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011323315.1A Pending CN112403117A (en) 2020-11-23 2020-11-23 Filter system

Country Status (1)

Country Link
CN (1) CN112403117A (en)

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