WO2022105009A1 - 一种模块化振打除尘器 - Google Patents

一种模块化振打除尘器 Download PDF

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Publication number
WO2022105009A1
WO2022105009A1 PCT/CN2020/138902 CN2020138902W WO2022105009A1 WO 2022105009 A1 WO2022105009 A1 WO 2022105009A1 CN 2020138902 W CN2020138902 W CN 2020138902W WO 2022105009 A1 WO2022105009 A1 WO 2022105009A1
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WO
WIPO (PCT)
Prior art keywords
dust
chamber
air
rapping
modular
Prior art date
Application number
PCT/CN2020/138902
Other languages
English (en)
French (fr)
Inventor
宋朋泽
李刚
Original Assignee
浙江鸿盛新材料科技集团股份有限公司
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
Priority claimed from CN202011323350.3A external-priority patent/CN112426810A/zh
Priority claimed from CN202022728771.6U external-priority patent/CN214019702U/zh
Application filed by 浙江鸿盛新材料科技集团股份有限公司 filed Critical 浙江鸿盛新材料科技集团股份有限公司
Priority to US18/038,187 priority Critical patent/US20240001274A1/en
Priority to GB2309348.7A priority patent/GB2616225A/en
Publication of WO2022105009A1 publication Critical patent/WO2022105009A1/zh

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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
    • 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
    • B01D46/04—Cleaning filters
    • 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
    • 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
    • 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
    • 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
    • B01D46/24—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
    • B01D46/2418—Honeycomb filters
    • B01D46/2451—Honeycomb filters characterized by the geometrical structure, shape, pattern or configuration or parameters related to the geometry of the structure
    • B01D46/2486—Honeycomb filters characterized by the geometrical structure, shape, pattern or configuration or parameters related to the geometry of the structure characterised by the shapes or configurations
    • 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
    • B01D46/42—Auxiliary equipment or operation thereof
    • B01D46/48—Removing dust other than cleaning filters, e.g. by using collecting trays
    • 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
    • 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

Definitions

  • the invention relates to the technical field of flue gas dust removal, and more particularly, to a modular rapping dust collector.
  • Electrostatic precipitator and bag-type dust collector are currently the dominant technologies for industrial environmental protection and dust removal. With the increasingly strict environmental protection policies, bag-type dust collectors have become more and more widely used due to their high filtration efficiency and wide applicability of working conditions. mainstream equipment.
  • bag dust removal is to achieve gas-solid separation by physical interception. Its core filter element is a dust filter bag, and the structure design of the dust collector will also affect the overall operation effect.
  • the existing bag filter often has problems such as large filtration resistance and poor air distribution uniformity during application. In addition, the direction of air intake is inconsistent with the direction of dust settlement, which is prone to fugitive dust.
  • the purpose of the present invention is to provide a modular rapping dust collector, the structural design of the modular rapping dust collector can effectively reduce the dust and realize the cleaning and regeneration of the filter element.
  • the present invention provides the following technical solutions:
  • a modular rapping dust collector comprising:
  • the top of the dust chamber is provided with at least one air inlet, and the bottom of the dust chamber is provided with at least one ash outlet;
  • a plurality of filter elements a plurality of the filter elements are arranged inside the dust chamber, and there is a gap between two adjacent filter elements;
  • the rapping device can drive a plurality of the filter elements to vibrate;
  • the clean air chamber is arranged on one side of the dust chamber, and the airflow in the dust chamber flows through the filter element and enters the clean air chamber;
  • An air outlet duct the air inlet end of the air outlet duct is communicated with the air outlet of the clean air chamber.
  • the above-mentioned modular rapping dust collector further includes a pre-charging device, and the pre-charging device is arranged upstream of the plurality of filter elements.
  • the above-mentioned modular rapping dust collector further includes a plurality of guide plates arranged in the dust chamber, and the guide plates are inclined relative to the side wall of the dust chamber.
  • the filter element is a filter cartridge
  • the filter cartridge includes a support cylinder, a pleated filter material covered on the outer wall of the support cylinder, and a first cover and a second cover that are respectively fixedly connected to both ends of the support cylinder.
  • a plurality of through holes are provided and an air outlet is formed at at least one end of the support cylinder, and the air flow enters the support cylinder through the pleated filter material and is discharged from the air outlet formed at at least one end of the support cylinder.
  • the air inlet duct includes an air inlet duct connected in sequence and an air inlet box connected with the air outlet end of the air inlet duct;
  • the air outlet duct includes an outlet connected in sequence.
  • the air duct and the air outlet box connected to the air inlet end of the air outlet duct;
  • the air inlet box and the air outlet box are both horn-shaped, the ventilation section of the air inlet box gradually increases along the direction close to the dust chamber, and the ventilation section of the air outlet box is along the direction close to the clean air chamber. gradually increase.
  • the air outlet box is connected to the top of the clean air chamber.
  • the number of the clean air chambers is two, and the two clean air chambers are respectively arranged on opposite sides of the dust air chamber.
  • the above-mentioned modular rapping dust collector further comprises a metal frame arranged in the dust chamber, and at least one filter element fixedly connected to the metal frame is arranged in the metal frame;
  • a rapping device for rapping the metal frame to vibrate the metal frame and the filter element.
  • the above-mentioned modular rapping dust collector further comprises an ash hopper connected with the ash outlet of the dust chamber and an ash conveying device connected with the bottom of the ash hopper.
  • the dust chamber and the clean air chamber are integrated into the same box, and the dust chamber and the clean air chamber are separated by a partition.
  • the dust-laden air enters the dust chamber through the air inlet duct and the air inlet at the top of the dust chamber, and the gas in the dust chamber enters a plurality of filter elements for filtration.
  • the latter airflow enters the clean air chamber, and finally the gas in the clean air chamber can be discharged through the air outlet duct.
  • the dust-laden airflow enters the dust chamber through the air inlet at the top of the dust chamber.
  • the direction of the inlet air flow is consistent with the falling direction of the dust, and the dust can descend to the dust outlet at the bottom of the dust chamber, which is more conducive to the dust.
  • the settlement effectively reduces the dust.
  • the rapping device can be turned on, and the rapping device can drive multiple filter elements to vibrate. and regeneration.
  • FIG. 1 is a schematic structural diagram of a denitration and dust removal integrated equipment provided by an embodiment of the present invention
  • FIG. 2 is a schematic diagram of a three-layer denitration and dust removal integrated equipment provided by an embodiment of the present invention.
  • the purpose of the present invention is to provide a modular rapping dust collector, the structural design of the modular rapping dust collector can effectively reduce the dust and realize the cleaning and regeneration of the filter element.
  • the integrated denitration and dust removal equipment provided by the present invention includes a dust chamber 6, an air inlet duct, a plurality of filter elements 7, a rapping device 9, at least one clean air chamber and an air outlet duct.
  • the top of the dust chamber 6 is provided with at least one air inlet. That is, the top of the dust chamber 6 can be opened to form an air inlet, and the ventilation section of the air inlet covers the entire top of the dust chamber 6 . Alternatively, a plurality of air inlets may be opened on the top of the dust chamber 6 .
  • the dust-laden airflow enters the dust chamber 6 through the air inlet at the top of the dust chamber 6 .
  • the bottom of the dust chamber 6 is provided with at least one ash outlet, and the dust is discharged through the ash outlet at the bottom of the dust chamber 6 .
  • the air outlet end of the air inlet duct is communicated with the air inlet of the dust chamber 6 , and the dust-laden airflow in the air inlet duct enters the dust chamber 6 through the air outlet end of the air inlet duct.
  • a plurality of filter elements 7 are arranged inside the dust chamber 6 , and there is a gap between two adjacent filter elements 7 . That is, the plurality of filter elements 7 are all fixed in the dust chamber 6 , and at least one end of the filter elements 7 is connected to the side wall of the dust chamber 6 .
  • the dust chamber 6 is in the shape of a cube, and the longitudinal directions of the plurality of filter elements 7 are arranged parallel to each other.
  • the axial direction of the filter element 7 may be arranged horizontally or the included angle between the axial direction of the filter element 7 and the horizontal plane is an acute angle, which is not limited herein.
  • the number of rapping devices 9 is one or more, and the rapping devices 9 are arranged in the dust chamber 6 , and the rapping devices 9 can drive a plurality of filter elements 7 to vibrate.
  • the rapping device 9 When the rapping device 9 is turned on, the rapping device 9 drives the plurality of filter elements 7 to vibrate, and the dust accumulated on the surface of the filter element 7 falls off after being vibrated, so as to realize dust removal and regeneration.
  • the number of clean air chambers is one or more.
  • the clean air chamber is arranged on one side of the dust chamber 6, and the airflow in the dust chamber 6 flows through the filter element 7 and then enters the clean air chamber.
  • the air inlet end of the air outlet duct is communicated with the air outlet of the clean air chamber, that is, the air entering the clean air chamber after filtering can be discharged through the air outlet duct.
  • the dust-laden airflow enters the dust chamber 6 through the air inlet duct and the air inlet at the top of the dust chamber 6, and the gas in the dust chamber 6 enters a plurality of filter elements 7 for filtration, The airflow filtered by the plurality of filter elements 7 enters the clean air chamber, and finally the air in the clean air chamber can be discharged through the air outlet duct.
  • the dust-laden airflow enters the dust chamber 6 through the air inlet at the top of the dust chamber 6, so that the direction of the inlet air flow is consistent with the falling direction of the dust, and the dust can drop to the ash outlet at the bottom of the dust chamber 6, and more It is conducive to the settlement of dust and effectively reduces the dust.
  • the rapping device 9 can be turned on, and the rapping device 9 drives a plurality of filter elements 7 to vibrate, and the dust on the surface of the filter element 7 falls off after being vibrated. , to achieve cleaning and regeneration.
  • the dust chamber 6 , the clean air chamber and the devices inside together form the rapping dust collector 1 .
  • the above-mentioned modular rapping dust collector may further include a pre-charging device 4 , and the pre-charging device 4 is arranged upstream of the filter element 7 . That is, the precharging device 4 is located upstream of the plurality of filters 7 , and the dust-laden airflow entering the dust chamber 6 through the air inlet at the top of the dust chamber 6 first passes through the precharging device 4 , and then passes through the filter 7 .
  • the precharging device 4 may be arranged in the dust chamber 6 , and the precharging device 4 is arranged between the air inlet of the dust chamber 6 and the filter element 7 .
  • a pre-charging device 4 is arranged on the lower side of the air inlet of the dust chamber 6, which can charge the dust, and the charged fine dust can be condensed into larger particles, some of which fall directly out of the ash port with the airflow, and some are in the filter element. 7.
  • a loose dust layer is formed on the surface, and at the same time, the dust charge is conducive to capture, which can greatly improve the dust concentration at the entrance of the dust chamber 6.
  • the test data shows that the filtration efficiency can be improved by an order of magnitude, and the filtration resistance is significantly reduced, which is beneficial to improve the filtration speed and prolong the service life of the filter element 7.
  • the pre-charging device 4 is fixed inside the dust chamber 6, and it can be relatively fixed to the dust chamber 6 by means of bolt connection, clip connection, or the like.
  • the above-mentioned modular rapping dust collector further includes a plurality of deflectors 5 arranged in the dust chamber 6 , and the plurality of deflectors 5 are inclined relative to the side wall of the dust chamber 6 . That is, there is an included angle between the deflector 5 and the side wall and bottom wall of the dust chamber 6 .
  • a plurality of guide plates 5 are fixed in the dust chamber 6, and there is a gap between two adjacent guide plates 5 for air flow to pass through.
  • the dust-laden flue gas enters the dust chamber 6 under the guidance of the deflector 5, and the flow direction of the dust-laden flue gas changes after passing through the deflector plate 5, which can not only overcome the direct erosion of the filter element 7 by the dust, but also be easy to wear
  • the shortcoming of the filter element 7 can also make the airflow distribution inside the dust chamber 6 more uniform, avoiding the existence of a dead angle of the air inlet.
  • the deflector 5 is fixed inside the dust chamber 6. Specifically, the deflector 5 can be bolted, clamped or welded in the dust chamber 6, which is not limited herein.
  • the plurality of deflectors 5 can be arranged along a continuous bending line, or the angle between the deflector 5 and the side wall of the dust chamber 6 is not limited, and the plurality of deflectors 5 can be set according to the actual situation. shape, angle of inclination, and location.
  • the above-mentioned filter element 7 is a filter cartridge.
  • the filter element 7 can also be a filter bag, which is not limited here.
  • the filter cartridge includes a support cartridge, pleated filter media, a first cover and a second cover. Wherein, the pleated filter material is wrapped on the outer wall of the support cylinder.
  • the first cover and the second cover are respectively fixedly connected to the two ends of the support cylinder, and the first cover and the second cover can be bolted or clamped with the support cylinder to facilitate subsequent maintenance and repair.
  • a plurality of through holes are arranged on the cylinder wall of the support cylinder, so that the airflow passing through the pleated filter material can enter the inside of the support cylinder through the through holes on the support cylinder.
  • One end or both ends of the support cylinder form an air outlet, in other words, one or both ends of the support cylinder form an air outlet of the filter cartridge.
  • the dust-laden airflow passes through the pleated filter material and then enters the support cylinder, and the gas in the support cylinder is discharged through the air outlet of the support cylinder.
  • the filter cartridge is preferably a high temperature resistant filter cartridge.
  • the preparation method of the filter cartridge is as follows. First, the filter material is subjected to pleated structure processing, and the high temperature resistant filter material is folded according to the technological requirements by a folding machine. One end of the folded high temperature resistant filter material is connected with the first cover, and the other end is connected with the second cover, thereby forming a high temperature resistant filter cartridge.
  • the support cylinder is made of metal to ensure that the pleated filter material will not be deformed during blowing and cleaning.
  • the pleated filter material can be stiff glass fiber filter material, stiff glass fiber coated filter material, stiff perlite puffed felt filter material, stiff glass fiber blended filter material, stiff high silica (modified) fiber coated filter material, etc.
  • the side wall of the dust chamber 6 is provided with a through hole communicating with the clean air chamber, the air outlet of the support cylinder is communicated with the through hole on the side wall of the dust chamber 6, and the air outlet of the support cylinder is connected with the through hole on the side wall of the dust chamber 6. It is sealed and connected to the side wall of the dust chamber 6 to ensure that in the normal process, the gas in the dust chamber 6 can only enter the inside of the support cylinder through the pleated filter material, and the gas inside the support cylinder can only flow into the clean air chamber.
  • the air inlet duct includes an air inlet duct 2 connected in sequence and an air inlet box 3 connected to the outlet end of the air inlet duct 2, and the dust-laden airflow enters the dust chamber 6 through the air inlet duct 2 and the air inlet box 3 in sequence.
  • the air inlet box 3 may be trumpet-shaped, and the ventilation section of the air inlet box 3 gradually increases along the direction close to the dust chamber 6 . That is, the ventilation cross section of the air outlet end of the air inlet box 3 is larger than the ventilation cross section of the air inlet end. This arrangement can further ensure that the air flow entering the dust chamber 6 is more uniform.
  • the air outlet duct includes an air outlet pipe connected in sequence and an air outlet box connected with the air inlet end of the air outlet pipe, and the air flow is discharged through the air outlet box and the air outlet pipe in sequence.
  • the air outlet box may be trumpet-shaped, and the ventilation section of the air outlet box gradually increases along the direction close to the clean air chamber. This arrangement can further ensure that the air flow is more uniform.
  • the air outlet box 3 can be connected with the top of the clean air chamber, so that the flue gas can directly enter the chimney.
  • the air outlet box 3 can also be connected to the bottom or the side wall of the clean air chamber, which is not limited here.
  • the number of clean air chambers is two, and the two clean air chambers are respectively disposed on opposite sides of the dust chamber 6 .
  • the two clean air chambers are the left clean air chamber 10 and the right clean air chamber 13 respectively. Both the left clean air chamber 10 and the right clean air chamber 13 communicate with the air outlet of the filter element 7 in the dust chamber 6 .
  • the number of air outlet ducts is also two, which are the left air outlet duct 12 and the right air outlet duct 15 respectively, and the number of air outlet boxes is also two, which are the left air outlet box 11 and the right air outlet box 14 respectively.
  • the left air outlet box 11 and the left air outlet duct 12 are communicated with the inside of the left clean air chamber 10
  • the right air outlet box 14 and the right air outlet duct 15 are communicated with the inside of the right clean air chamber 13 .
  • the left air outlet box 11 can be connected to the top wall of the left clean air chamber 10
  • the right air outlet air box 14 can be connected to the top wall of the right clean air chamber 13, which is not limited herein.
  • the above-mentioned modular rapping dust collector further includes a metal frame 8 disposed in the dust chamber 6 , and at least one filter element 7 fixedly connected to the metal frame 8 is disposed in the metal frame 8 .
  • the filter element 7 located in the metal frame 8 is fixedly connected with the metal frame 8 .
  • the metal frame 8 is integral with the filter element 7 inside.
  • One side of the metal frame 8 can be fixedly connected to the inner wall of the dust chamber 6 .
  • a rapping device 9 is also included, and the rapping device 9 is used for rapping the metal frame 8 to vibrate the metal frame 8 and the filter element 7 .
  • the dust cleaning method is set to vibrate to remove dust, and the metal frame and the filter element 7 are vibrated by vibrating to shake off the dust accumulated on the surface.
  • the number of metal frames 8 is two, and the two metal frames 8 are respectively a left metal frame and a right metal frame, and the left metal frame and the right metal frame are respectively fixed to the left and right side walls of the dust chamber 6 .
  • the air outlet of the filter element 7 in the left metal frame communicates with the left clean air chamber 10
  • the air outlet of the filter element 7 in the right metal frame communicates with the right clean air chamber 13 .
  • the left end of the filter element 7 in the left metal frame is connected to the left side wall of the dust chamber 6, and the right end of the filter element 7 in the left metal frame is closed or covered by filter material.
  • the right end of the filter element 7 in the right metal frame is connected to the right side wall of the dust chamber 6, and the left end of the filter element 7 in the right metal frame is closed or covered by filter material.
  • the above-mentioned modular rapping dust collector also includes an ash hopper 16 communicated with the ash outlet of the dust chamber 6 and an ash conveying device 17 connected to the bottom of the ash hopper 16 .
  • the top opening of the ash hopper 16 is connected with the ash outlet, so that the dust falls into the ash outlet and then enters the ash hopper 16 and is finally transferred through the ash conveying device 17 .
  • the ash conveying device 17 may be a screw rod device, a pneumatic device, etc., which is not limited herein.
  • the dust chamber 6 and the clean air chamber are integrated into the same box, and the dust chamber 6 and the clean air chamber are separated by a partition.
  • the filter element 7, the pre-charging device 4, the deflector 5, the rapping device 9 and the blowing device can all be integrated in the box, which is more convenient for modular production and processing. All parts are basically processed in the factory and transported to
  • the modular rapping dust collector can be made by on-site assembly, which reduces the construction period by more than 2/3 compared with ordinary dust collectors.
  • the underside of the box may be provided with steel columns 18 to support the box.
  • a single modular rapping dust collector 20 can be used according to the working conditions and filtration area, or multiple modular rapping dust collectors can be stacked and connected together to save space and improve production efficiency.
  • Figure 2 is a schematic diagram of the superimposed connection combination of three modular rapping dust collectors.
  • the modular rapping dust collector includes a dust chamber 6, an air inlet duct, an air inlet box 3, a pre-charging device 4, a deflector 5, a plurality of filter elements 7, and a left clean air.
  • Chamber 10 left metal frame, left air box 11, left air duct 12, right metal frame, right blowing device, right air box 14, right air outlet 15, rapping device 9, ash hopper 16 and ash conveying device 17.
  • the pre-charging device 4 and the guide plate 5 are located in the dust chamber 6 , and the pre-charging device 4 is located above the guide plate 5 .
  • the left metal frame and the right metal frame are distributed left and right in the dust chamber 6, a plurality of filter elements 7 are arranged in the left metal frame and the right metal frame, and the left clean air chamber 10 is communicated with the air outlet of the filter element 7 in the left metal frame .
  • the right clean air chamber 13 communicates with the air outlet of the filter element 7 in the right metal frame.
  • the rapping device 9 is located in the dust chamber 6 .
  • the dust-laden airflow enters the dust chamber 6 through the air inlet duct and the air inlet box 3 in turn, and in the dust chamber 6 passes through the precharging device 4, the guide After the flow plate 5 enters the dust chamber 6 .
  • the precharging device 4 Under the action of the pre-charging device 4, part of the fine dust condenses into large particle dust, and the airflow direction changes after passing through the deflector 5, and part of the large particle dust accelerates and falls into the ash hopper 16 under the action of inertia.
  • the modular rapping dust collector adopts the method of upper air inlet and side air outlet, and the dust-laden airflow enters the dust chamber 6 from the upper part of the dust chamber 6, and passes through the dust chamber 6 after being filtered and purified by the filter element 7.
  • the left and right sides of the clean air chamber and the air outlet system are discharged.
  • the direction of the intake air flow is the same as that of the dust falling, which is conducive to the rapid downward settlement of the dust.
  • Both the left metal frame and the right metal frame are provided with rapping devices 9 .
  • the dust-laden airflow is filtered and purified by the filter element 7 and then enters the clean air chamber. After the dust is trapped on the surface of the filter bag and reaches a certain pressure value, the rapping device 9 is turned on to vibrate and clean the dust, and the dust deposited on the surface of the filter element 7 is vibrated. After falling into the ash hopper 16, it is output from the dust collector via the ash conveying device 17. After cleaning, the filter element 7 is regenerated and the low-resistance operation is resumed. The gas filtered and purified by the filter element 7 enters the clean air chambers on the left and right sides respectively, so as to realize dust control.
  • the purified gas is discharged from the dust collector through the air outlet and the air outlet duct, and the air outlet volume on both sides can be controlled as required. During installation and maintenance, the clean air chambers on both sides can be opened to facilitate the installation and maintenance of the filter element 7.

Abstract

一种模块化振打除尘器（1），包括：尘气室（6），尘气室（6）的顶部开设有至少一个进风口，尘气室（6）的底部开设有至少一个出灰口；进风管道，进风管道的出风端与尘气室（6）的进风口连通；多个过滤件（7），多个过滤件（7）设置于尘气室（6）内部，且相邻的两个过滤件（7）之间具有间隙；设置于尘气室（6）内的至少一个振打装置（9），振打装置（9）能够带动多个过滤件（7）振动；至少一个净气室，净气室设置于尘气室（6）的一侧，尘气室（6）内的气流流经过滤件（7）后进入净气室；出风管道，出风管道的进风端与净气室的出风口连通；该模块化振打除尘器（1）可以有效地减少扬尘和实现过滤件（7）的清灰再生，并且可在工厂加工完毕，运输到现场组装，节省工期、降低成本、减少场地占用。

Description

一种模块化振打除尘器
本申请要求于2020年11月23日提交中国专利局、申请号为CN202011323350.3、发明名称为“一种模块化振打除尘器”的中国专利和申请号为CN202022728771.6、发明名称为“一种模块化振打除尘器”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本发明涉及烟气除尘技术领域，更具体地说，涉及一种模块化振打除尘器。
背景技术
在世界范围内，环保和节能减排已经成为当前和今后很长一个时期的重点工作。我国已经将节能环保产业列为战略新兴产业之首，而工业企业的环保则是重中之重。电除尘和袋式除尘是目前工业环保除尘的主导技术，随着环保政策的日趋严格，袋式除尘器以其高过滤效率、工况适用性广等特点应用日趋广泛，成为目前工业烟尘治理的主流设备。
袋式除尘的工艺原理是通过物理拦截的方式实现气固分离，其核心过滤元件是除尘滤袋，同时除尘器的结构设计也会影响到整体运行效果。现有的袋式除尘器在应用时经常出现过滤阻力大、气流分布均匀性较差等问题。另外，进风方向与粉尘的沉降方向不一致，容易出现扬尘。
发明内容
有鉴于此，本发明的目的在于提供一种模块化振打除尘器，该模块化振打除尘器的结构设计可以有效地减少扬尘和实现过滤件的清灰再生。
为了达到上述目的，本发明提供如下技术方案：
一种模块化振打除尘器，包括：
尘气室，所述尘气室的顶部开设有至少一个进风口，所述尘气室的底部开设有至少一个出灰口；
进风管道，所述进风管道的出风端与所述尘气室的进风口连通；
多个过滤件，多个所述过滤件设置于所述尘气室内部，且相邻的两个过滤 件之间具有间隙；
设置于所述尘气室内的至少一个振打装置，所述振打装置能够带动多个所述过滤件振动；
至少一个净气室，所述净气室设置于所述尘气室的一侧，所述尘气室内的气流流经所述过滤件后进入所述净气室；
出风管道，所述出风管道的进风端与所述净气室的出风口连通。
优选地，上述模块化振打除尘器中，还包括预荷电装置，所述预荷电装置设置于多个所述过滤件的上游。
优选地，上述模块化振打除尘器中，还包括设置于所述尘气室内的多个导流板，所述导流板相对于所述尘气室的侧壁倾斜设置。
优选地，上述模块化振打除尘器中，所述过滤件为滤筒；
所述滤筒包括支撑筒、包覆在所述支撑筒外壁上的褶皱滤料以及分别与所述支撑筒的两端固定连接的第一盖和第二盖，所述支撑筒的筒壁上设置有多个通孔且所述支撑筒的至少一端形成出风口，气流经所述褶皱滤料进入所述支撑筒后从所述支撑筒的至少一端形成的出风口排出。
优选地，上述模块化振打除尘器中，所述进风管道包括依次连接的进风管和与所述进风管的出风端连接的进风箱；所述出风管道包括依次连接的出风管和与出风管的进风端连接的出风箱；
所述进风箱和出风箱均为喇叭状，所述进风箱的通风截面沿着靠近所述尘气室的方向逐渐增大，所述出风箱的通风截面沿着靠近所述净气室的方向逐渐增大。
优选地，上述模块化振打除尘器中，所述出风箱与所述净气室的顶部连接。
优选地，上述模块化振打除尘器中，所述净气室的数量为两个，两个所述净气室分别设置于所述尘气室的相对的两侧。
优选地，上述模块化振打除尘器中，还包括设置于所述尘气室内的金属框架，所述金属框架内设置有至少一个与其固定连接的所述过滤件；
还包括振打装置，所述振打装置用于振打所述金属框架以使所述金属框架和所述过滤件振动。
优选地，上述模块化振打除尘器中，还包括与所述尘气室的出灰口连通的灰斗和与所述灰斗的底部连接的输灰装置。
优选地，上述模块化振打除尘器中，所述尘气室和净气室均集成于同一箱体内，且所述尘气室与所述净气室之间通过隔板隔开。
应用上述提供的模块化振打除尘器时，带尘气流经进风管道和尘气室顶部的进风口进入尘气室，尘气室内的气体进入多个过滤件进行过滤，多个过滤件过滤后的气流进入净气室内，最终净气室内的气体能够经出风管道排出。上述过滤过程中，带尘气流经尘气室顶部的进风口进入尘气室，如此进风气流方向与粉尘的下落方向一致，粉尘可以下降至尘气室底部的出灰口，更加有利于粉尘的沉降，有效减少了扬尘。另外，当过滤件外表面积灰较多且过滤阻力较大时，可以开启振打装置，振打装置带动多个过滤件振动，过滤件表面的灰尘受到震动后表面堆积的灰尘脱落，实现清灰和再生。
附图说明
为了更清楚地说明本发明实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1为本发明实施例提供的脱硝除尘一体设备的结构示意图；
图2为本发明实施例提供的三层脱硝除尘一体设备的示意图。
在图1-2中：
1—振打除尘器，2—进风管，3—进风箱，4—预荷电装置，5—导流板，6—尘气室，7—过滤件，8—金属框架，9—振打装置，10—左净气室，11—左出风箱，12—左出风管，13—右净气室，14—右出风箱，15—右出风管，16—灰斗，17—输灰装置，18—钢柱，19—脱硝催化剂模块，20—单个模块化振打除尘器。
具体实施方式
本发明的目的在于提供一种模块化振打除尘器，该模块化振打除尘器的结构设计可以有效地减少扬尘和实现过滤件的清灰再生。
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
在本发明的描述中，需要理解的是，术语“上”、“下”、“前”、“后”、“左”和“右”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本发明和简化描述，而不是指示或暗示所指的位置或元件必须具有特定方位、以特定的方位构成和操作，因此不能理解为本发明的限制。此外，术语“第一”、“第二”仅用于描述目的，而不能理解为指示或暗示相对重要性。
请参阅图1-图2，本发明提供的脱硝除尘一体设备包括尘气室6、进风管道、多个过滤件7、振打装置9、至少一个净气室和出风管道。
其中，尘气室6的顶部开设有至少一个进风口。即尘气室6的顶部可以开放形成一个进风口，该进风口的通风截面覆盖尘气室6的整个顶部。或者，尘气室6的顶部可以开设有多个进风口。带尘气流经尘气室6顶部的进风口进入尘气室6。尘气室6的底部开设有至少一个出灰口，灰尘经尘气室6底部的出灰口排出。
进风管道的出风端与尘气室6的进风口连通，进风管道内的带尘气流经进风管道的出风端进入尘气室6内。
多个过滤件7设置于尘气室6内部，且相邻的两个过滤件7之间具有间隙。即多个过滤件7均固定在尘气室6内，过滤件7的至少一端与尘气室6的侧壁连接。优选地，尘气室6为方体状，多个过滤件7的长度方向相互平行设置。过滤件7的轴向可以沿水平设置或者过滤件7的轴向与水平面之间的夹角为锐角，在此不作限定。
振打装置9的数量为一个或多个，并且振打装置9设置于尘气室6内，振打装置9能够带动多个过滤件7振动。振打装置9开启时，振打装置9带动多 个过滤件7振动，过滤件7表面的灰尘受到震动后表面堆积的灰尘脱落，实现清灰和再生。
净气室的数量为一个或多个。净气室设置于尘气室6的一侧，尘气室6内的气流流经过滤件7后进入净气室。
出风管道的进风端与净气室的出风口连通，即过滤后进入净气室内的气体能够经出风管道排出。
应用上述提供的模块化振打除尘器时，带尘气流经进风管道和尘气室6顶部的进风口进入尘气室6，尘气室6内的气体进入多个过滤件7进行过滤，多个过滤件7过滤后的气流进入净气室内，最终净气室内的气体能够经出风管道排出。上述过滤过程中，带尘气流经尘气室6顶部的进风口进入尘气室6，如此进风气流方向与粉尘的下落方向一致，粉尘可以下降至尘气室6底部的出灰口，更加有利于粉尘的沉降，有效减少了扬尘。另外，当过滤件外表面积灰较多且过滤阻力较大时，可以开启振打装置9，振打装置9带动多个过滤件7振动，过滤件7表面的灰尘受到震动后表面堆积的灰尘脱落，实现清灰和再生。
尘气室6、净气室及其内部的装置共同形成振打除尘器1。
在一具体实施例中，上述模块化振打除尘器还可以包括预荷电装置4，预荷电装置4设置于过滤件7的上游。即预荷电装置4位于多个过滤件7的上游，经尘气室6顶部的进风口进入尘气室6的带尘气流先经过预荷电装置4后，再经过过滤件7。具体地，预荷电装置4可以设置于尘气室6内，预荷电装置4设置于尘气室6的进风口与过滤件7之间。在尘气室6的进风口下侧设置预荷电装置4，可以使粉尘荷电，荷电后的细微粉尘可以凝聚成较大粒子，一部分随气流直接掉落出灰口，一部分在过滤件7表面形成结构疏松的粉尘层，同时粉尘荷电有利于捕集，可以大大提高尘气室6入口处的粉尘浓度。测试数据显示，设置预荷电装置4的脱硝除尘一体设备，过滤效率可提高一个数量级，而过滤阻力明显降低，有利于提高过滤速度，延长过滤件7的使用寿命。
预荷电装置4固定在尘气室6内部，其可以通过螺栓连接、卡接等方式与尘气室6相对固定。
在另一具体实施例中，上述模块化振打除尘器还包括设置于尘气室6内的 多个导流板5，并且多个导流板5相对于尘气室6的侧壁倾斜设置。即导流板5与尘气室6的侧壁和底壁之间均具有夹角。多个导流板5固定在尘气室6内，相邻的两个导流板5之间具有供气流通过的间隙。如此设置，带尘烟气在导流板5的引导下进入尘气室6，且带尘烟气经导流板5后流动方向发生改变，如此不但可以克服粉尘直接冲刷过滤件7且容易磨损过滤件7的缺点，还可以使尘气室6内部气流分布更加均匀，避免了进风死角的存在。
导流板5固定在尘气室6内部，具体地，导流板5可以螺栓连接、卡接或者焊接在尘气室6内，在此不作限定。
优选地，多个导流板5可以沿着连续弯折线排布，或者导流板5与尘气室6侧壁之间的夹角不作限定，可以根据实际情况设置多个导流板5的形状、倾斜角度以及位置。
优选地，上述过滤件7为滤筒。当然，过滤件7也可以为滤袋，在此不作限定。
滤筒包括支撑筒、褶皱滤料、第一盖和第二盖。其中，褶皱滤料包覆在支撑筒外壁上。第一盖和第二盖分别与支撑筒的两端固定连接，第一盖和第二盖可以与支撑筒螺栓连接或卡接，方便后续进行维护和检修。
支撑筒的筒壁上设置有多个通孔，以便于经过褶皱滤料的气流经支撑筒上的通孔进入支撑筒内部。支撑筒的一端或两端形成出风口，换言之，支撑筒的一端或两端形成该滤筒的出风口。
滤筒进行过滤时，带尘气流经褶皱滤料后进入支撑筒，支撑筒内的气体经支撑筒的出风口排出。
该滤筒优选为耐高温滤筒，滤筒的制备方法如下，首先将滤料进行褶皱结构加工，通过折料机械将耐高温滤料按照工艺要求进行折叠。折叠成褶后的耐高温滤料一端与第一盖连接，另一端与第二盖连接，从而形成耐高温滤筒。支撑筒为金属材质，以保证褶皱滤料在喷吹清灰时不会发生变形。
褶皱滤料可以为硬挺玻纤滤料、硬挺玻纤覆膜滤料、硬挺珍珠岩膨化毡滤料、硬挺玻纤混织滤料、硬挺高硅氧(改性)纤维覆膜滤料等。
该处需要说明的是，尘气室6的侧壁上设置有与净气室连通的通孔，支撑 筒的出风口与尘气室6侧壁上的通孔连通，且支撑筒的出风口与尘气室6侧壁密封连接，以保证正常过程时，尘气室6内的气体只能经褶皱滤料进入支撑筒的内部，支撑筒内部的气体只能流动至净气室内。
优选地，进风管道包括依次连接的进风管2和与进风管2的出风端连接的进风箱3，带尘气流依次经进风管2和进风箱3后进入尘气室6。进风箱3可以为喇叭状，并且进风箱3的通风截面沿着靠近尘气室6的方向逐渐增大。即进风箱3的出风端的通风截面大于进风端的通风截面。如此设置，能够进一步保证进入尘气室6内的气流更加均匀。
出风管道包括依次连接的出风管和与出风管的进风端连接的出风箱，气流依次经出风箱和出风管后排出。出风箱可以为喇叭状，并且出风箱的通风截面沿着靠近净气室的方向逐渐增大。如此设置，能够进一步保证出风气流更加均匀。
进一步地，出风箱3可以与净气室的顶部连接，以便于烟气直接进入烟囱。当然，出风箱3也可以与净气室的底部或侧壁连接，在此不作限定。
优选地，净气室的数量为两个，两个净气室分别设置于尘气室6的相对的两侧。两个净气室分别为左净气室10和右净气室13。左净气室10和右净气室13均与尘气室6内的过滤件7的出风口连通。出风管道的数量也为两个且分别为左出风管12道和右出风管15，出风箱的数量也为两个且分别为左出风箱11和右出风箱14。左出风箱11和左出风管12道与左净气室10内部连通，右出风箱14和右出风管15与右净气室13内部连通。
左出风箱11可以与左净气室10顶壁连接，右出风箱14可以与右净气室13顶壁连接，在此不作限定。
进一步地，上述模块化振打除尘器还包括设置于尘气室6内的金属框架8，金属框架8内设置有至少一个与其固定连接的过滤件7。位于金属框架8内的过滤件7与金属框架8固定连接。金属框架8与其内部的过滤件7形成一个整体。金属框架8的一侧可以与尘气室6的内壁固定连接。优选地，还包括振打装置9，振打装置9用于振打金属框架8以使金属框架8和过滤件7振动。振打装置9开启时，过滤件7表面的灰尘受到震动后表面堆积的灰尘脱落，实现 清灰和再生。清灰方式设置为振打清灰，通过振打使金属框架及过滤件7震动，震落表面积累的灰尘。
具体地，金属框架8的数量为两个，且两个金属框架8分别为左金属框架和右金属框架，左金属框架和右金属框架分别与尘气室6的左侧壁和右侧壁固定连接，左金属框架内的过滤件7的出风口与左净气室10连通，右金属框架内的过滤件7的出风口与右净气室13连通。左金属框架内的过滤件7的左端与尘气室6的左侧壁连接，左金属框架内的过滤件7的右端封闭或被滤料覆盖。右金属框架内的过滤件7的右端与尘气室6的右侧壁连接，右金属框架内的过滤件7的左端封闭或被滤料覆盖。
为了及时收集落至出灰口的粉尘，上述模块化振打除尘器还包括与尘气室6的出灰口连通的灰斗16和与灰斗16的底部连接的输灰装置17。灰斗16的顶部开口与出灰口连接，如此，粉尘落至出灰口内进而进入灰斗16，最终通过输灰装置17转移。
上述实施例中，输灰装置17可以为螺旋杆装置、气动装置等，在此不作限定。
在一优选实施例中，尘气室6和净气室均集成于同一箱体内，且尘气室6与净气室之间通过隔板隔开。如此，过滤件7、预荷电装置4、导流板5、振打装置9和喷吹装置可以均集成在箱体内，更便于模块化制作加工，所有零部件基本在工厂加工完毕，运输到现场组装即可制成该模块化振打除尘器，比普通除尘器减少施工周期2/3以上。箱体的下侧可以设置钢柱18以支撑该箱体。
具体应用时可以根据工况条件和过滤面积单个模块化振打除尘器20使用，也可以多个模块化振打除尘器叠加连接组合在一起使用，节省占地空间、提高生产效率。图2中即为三个模块化振打除尘器叠加连接组合的示意图。
如下提供一种更加具体的实施例，模块化振打除尘器包括尘气室6、进风管道、进风箱3、预荷电装置4、导流板5、多个过滤件7、左净气室10、左金属框架、左出风箱11、左出风管12、右金属框架、右喷吹装置、右出风箱14、右出风管15、振打装置9、灰斗16和输灰装置17。其中，预荷电装置4和导流板5位于尘气室6内，且预荷电装置4位于导流板5上方。左金属框架和右金属框架 在尘气室6内左右分布，左金属框架和右金属框架内均设置有多个过滤件7，左净气室10与左金属框架内的过滤件7出风口连通。右净气室13与右金属框架内的过滤件7出风口连通。振打装置9位于尘气室6内。
上述实施例中的模块化振打除尘器进行烟气处理时，带尘气流依次经进风管道和进风箱3进入尘气室6，在尘气室6内依次经预荷电装置4、导流板5后进入尘气室6。在预荷电装置4的作用下，部分微细粉尘凝结成大颗粒粉尘，经过导流板5后气流方向发生改变，部分大颗粒粉尘在惯性作用下，加速坠入灰斗16中。进入尘气室6的部分气流经左金属框架内的过滤件7过滤后进入左净气室10，另一部分气流经右金属框架内的过滤件7过滤后进入右净气室13。即含尘气流经由过滤件7表面进入内部，粉尘被截留在表面，干净的气体经由过滤件7出风口分别进入两侧的净气室。由此可知，该模块化振打除尘器采用上进风、侧出风的方式，含尘气流从尘气室6的上部进入到尘气室6，经过过滤件7过滤净化后经由尘气室6的左右两侧净气室和出风系统排出。进风气流走向和灰尘掉落方向一致，有利于灰尘快速向下沉降。
左金属框架和右金属框架上均设置振打装置9。含尘气流经过过滤件7过滤净化后进入到净气室，粉尘被截留在滤袋表面达到一定压力值后，开启振打装置9进行振打清灰，沉积在过滤件7表面的粉尘受到震动后掉落灰斗16中，经由输灰装置17从除尘器中输出。清灰后过滤件7得到再生，恢复低阻运行。经过过滤件7过滤净化后的气体分别进入左右两侧的净气室，从而实现粉尘治理。净化后的气体经由出风口和出风管道排出除尘器，两侧的出风量可以根据需要进行控制。安装维护时，两侧的净气室可以打开，便于过滤件7安装检修。
本说明书中各个实施例采用递进的方式描述，每个实施例重点说明的都是与其他实施例的不同之处，各个实施例之间相同相似部分互相参见即可。
对所公开的实施例的上述说明，使本领域专业技术人员能够实现或使用本发明。对这些实施例的多种修改对本领域的专业技术人员来说将是显而易见的，本文中所定义的一般原理可以在不脱离本发明的精神或范围的情况下，在其它实施例中实现。因此，本发明将不会被限制于本文所示的这些实施例，而是要符合与本文所公开的原理和新颖特点相一致的最宽的范围。

Claims (10)

  1. 一种模块化振打除尘器，其特征在于，包括：
    尘气室(6)，所述尘气室(6)的顶部开设有至少一个进风口，所述尘气室(6)的底部开设有至少一个出灰口；
    进风管道，所述进风管道的出风端与所述尘气室(6)的进风口连通；
    多个过滤件(7)，多个所述过滤件(7)设置于所述尘气室(6)内部，且相邻的两个过滤件(7)之间具有间隙；
    设置于所述尘气室(6)内的至少一个振打装置(9)，所述振打装置(9)能够带动多个所述过滤件(7)振动；
    至少一个净气室，所述净气室设置于所述尘气室(6)的一侧，所述尘气室(6)内的气流流经所述过滤件(7)后进入所述净气室；
    出风管道，所述出风管道的进风端与所述净气室的出风口连通。
  2. 根据权利要求1所述的模块化振打除尘器，其特征在于，还包括预荷电装置(4)，所述预荷电装置(4)设置于多个所述过滤件(7)的上游。
  3. 根据权利要求1所述的模块化振打除尘器，其特征在于，还包括设置于所述尘气室(6)内的多个导流板(5)，所述导流板(5)相对于所述尘气室(6)的侧壁倾斜设置。
  4. 根据权利要求1所述的模块化振打除尘器，其特征在于，所述过滤件(7)为滤筒；
    所述滤筒包括支撑筒、包覆在所述支撑筒外壁上的褶皱滤料以及分别与所述支撑筒的两端固定连接的第一盖和第二盖，所述支撑筒的筒壁上设置有多个通孔且所述支撑筒的至少一端形成出风口，气流经所述褶皱滤料进入所述支撑筒后从所述支撑筒的至少一端形成的出风口排出。
  5. 根据权利要求1所述的模块化振打除尘器，其特征在于，所述进风管道包括依次连接的进风管(2)和与所述进风管(2)的出风端连接的进风箱(3)；所述出风管道包括依次连接的出风管和与出风管的进风端连接的出风箱；
    所述进风箱(3)和出风箱均为喇叭状，所述进风箱(3)的通风截面沿着 靠近所述尘气室(6)的方向逐渐增大，所述出风箱的通风截面沿着靠近所述净气室的方向逐渐增大。
  6. 根据权利要求5所述的模块化振打除尘器，其特征在于，所述出风箱(3)与所述净气室的顶部连接。
  7. 根据权利要求1所述的模块化振打除尘器，其特征在于，所述净气室的数量为两个，两个所述净气室分别设置于所述尘气室(6)的相对的两侧。
  8. 根据权利要求1所述的模块化振打除尘器，其特征在于，还包括设置于所述尘气室(6)内的金属框架(8)，所述金属框架(8)内设置有至少一个与其固定连接的所述过滤件(7)；
    还包括振打装置(9)，所述振打装置(9)用于振打所述金属框架(8)以使所述金属框架(8)和所述过滤件(7)振动。
  9. 根据权利要求1所述的模块化振打除尘器，其特征在于，还包括与所述尘气室(6)的出灰口连通的灰斗(16)和与所述灰斗(16)的底部连接的输灰装置(17)。
  10. 根据权利要求1-9任一项所述的模块化振打除尘器，其特征在于，所述尘气室(6)和净气室均集成于同一箱体内，且所述尘气室(6)与所述净气室之间通过隔板隔开。
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