CN106975285B - Bag collector for industrial flue gas - Google Patents
Bag collector for industrial flue gas Download PDFInfo
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- CN106975285B CN106975285B CN201710329584.0A CN201710329584A CN106975285B CN 106975285 B CN106975285 B CN 106975285B CN 201710329584 A CN201710329584 A CN 201710329584A CN 106975285 B CN106975285 B CN 106975285B
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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
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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
- B01D46/0027—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions
- B01D46/0032—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions using electrostatic forces to remove particles, e.g. electret 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
- B01D46/04—Cleaning filters
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtering Materials (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention discloses a bag type dust collector for industrial flue gas, which belongs to the field of machinery and comprises a support and a dust collector body, wherein the dust collector body is arranged on the support and comprises a lower half part and an upper half part; the latter half and the first half are separated by air inlet baffle and card, air inlet baffle with card structure as an organic whole, air inlet one end is fixed at dust remover body inner wall, and the other end is connected on the card, is equipped with on the latter half to lead grey region and store up grey region, and two regions are separated by leading the grey board. The invention has the beneficial effects that: through dividing into the latter half and leading grey region and ash storage area for the air current of air inlet can't get into ash storage area, and ash storage area is in the air current and is in comparatively steady state, and the dust that falls down ash storage area from leading the hawk can not be because of the air current of air inlet and kicked up once more, thereby has effectively improved the dust removal effect of dust remover.
Description
Technical Field
The invention relates to the field of machinery, in particular to a bag type dust collector for industrial flue gas.
Background
The bag type dust collector is a dry dust filter, which is mainly composed of an upper box body, a middle box body, a lower box body (dust hopper), a dust cleaning system, a dust discharging mechanism and the like. The performance of the bag type dust collector is good, and besides the correct selection of the material of the filter bag, the ash removal system plays a decisive role in the bag type dust collector. For this reason, the ash removal method is one of the characteristics of the bag-type dust collector and is also an important part in the operation of the bag-type dust collector. The existing bag type dust collector has the advantages that the dust cleaning area and the air inlet are both arranged in the lower box body, and airflow can be formed in the lower box body when air enters the same space, so that settled dust can be influenced, and the dust collection efficiency of the bag type dust collector is reduced.
For example, the invention patent with the publication number of CN100512922C discloses an external filter bag type dust collector and a dust cleaning method thereof, wherein a pattern plate is arranged inside a box body of the dust collector, the pattern plate is fixedly provided with a filter bag internally inserted with a bag cage, the bag cage tensions the filter bag, and the external filter bag type dust collector further comprises a back-blowing mechanism which provides back-blowing airflow with stable pressure during dust cleaning, so that the filter bag can be ensured not to be damaged during dust cleaning, and the service life of the filter bag is prolonged. However, the present invention does not improve the influence of the air flow generated during air intake on the settled dust.
Also, for example, patent application publication No. CN101274305A discloses a bag-type dust collecting electric dust removing apparatus, which includes a dust remover housing, a flue gas inlet, an air flow uniform distribution plate, a flue gas outlet, an ash bucket, a filter bag, an electrode wire and a high-voltage insulation chamber; a plurality of rows of cloth bags are arranged in the shell at equal intervals, and high-voltage electrode wires are arranged at the centers of concentric circles of every four cloth bags and are connected with a power supply through a high-voltage insulating chamber at the top of the dust remover; the side wall of the dust remover shell is close to a flue gas inlet, an airflow uniform distribution plate is arranged below the multiple rows of filter bags, a multi-stage ash bucket is arranged below the multiple rows of filter bags, and a flue gas outlet is arranged on the side wall of the dust remover shell and above the multiple rows of filter bags. However, the present invention does not improve the influence of the air flow generated at the time of air intake on the settled dust.
The utility model discloses a be CN 201899959U's utility model patent again discloses an integration whirlwind electricity bag flue gas dust collector, including shell one and shell two, be provided with the flue gas import on shell one and the shell two, just all be provided with the baffling arc board between shell one and the shell two and the flue gas import, shell one and two junctions of shell just are provided with the reposition of redundant personnel arc board with the corresponding position of flue gas import, all be provided with the dust removal inner shell in shell one and the shell two, the dust removal inner shell outside is provided with the corona machine, be provided with a plurality of dust removal filter bags through the filter bag fixed disk in the dust removal inner shell, shell one and the top of shell two are provided with collection tobacco pipe, be provided with the exhanst gas outlet on the collection tobacco pipe. The invention provides an improved scheme for influencing settled dust by airflow generated in air inlet.
Disclosure of Invention
In order to solve the problem that the airflow generated when the bag type dust collector is used for air inlet influences the settled dust in the prior art, the invention provides a bag type dust collector for industrial flue gas, which comprises a support and a dust collector body, wherein the dust collector body is arranged on the support and comprises a lower half part and an upper half part; the latter half and the first half are separated by air inlet baffle and card, air inlet baffle with card structure as an organic whole, air inlet one end is fixed dust remover body inner wall, be equipped with on the latter half and lead grey region and store up grey region, two regions are separated by leading the grey board. Through dividing into the latter half and leading grey region and ash storage area for the air current of air inlet can't get into ash storage area, and ash storage area is in the air current and is in comparatively steady state, and the dust that falls down ash storage area from leading the hawk can not be because of the air current of air inlet and kicked up once more, thereby has effectively improved the dust removal effect of dust remover.
Further, the air inlet baffle is an arc-shaped plate. When the smoke and dust gets into the dust remover from the air inlet, can strike air inlet baffle to the redirecting flows downwards, sets air inlet baffle to the arc, can reduce the air current and receive when striking air inlet baffle the positive effort of positive force effect, makes the air current direction level and smooth change, has reduced the air current and has assaulted the influence to air inlet baffle, improves the life of dust remover.
Further, the arc is bilayer structure, including upper and lower superimposed buffer layer and steel sheet, the buffer layer is close to the air inlet. Set the arc to bilayer structure, the outside sets up the buffer layer for offset the resistance that the air inlet air current impacted and brought, the even arc surface stress condition, further reduce the air current and strike the influence to the air inlet baffle, improve the life of dust remover.
Further, the buffer layer is made of high-temperature-resistant needled cloth, preferably polyimide needled cloth, the thickness of the buffer layer is 0.5-2 cm, and the gram weight of the buffer layer is 200-500 g/cm2。
Further, the buffer layer is high-temperature-resistant needled cloth, preferably is mixed needled cloth of polyimide fibers and PPS fibers, the thickness of the mixed needled cloth is 0.5-2 cm, and the gram weight of the mixed needled cloth is 200-500 g/cm2。
Further, the needle-punched cloth is obtained by mixing 20-60 wt% of polyimide fibers and 40-80 wt% of PPS fibers.
The high-temperature-resistant needling fabric is used as a buffer layer, particularly the selection of the polyimide fiber and the PPS fiber has an important effect on the construction of a complex three-dimensional structure in the needling fabric, so that dust particles can collide with the complex fiber in the three-dimensional structure when impacting the needling fabric to realize gradual stress, and the buffer effect is achieved.
Further, the lower half portion is provided with a conical ash bucket.
Furthermore, the upper half part comprises a plurality of filter bags and a vibration device, the lower end of each filter bag is fixed on the flower plate, and the upper end of each filter bag is fixed on the vibration device. The filter material used by the filter bag is formed by mixing and needling PPS fibers and PTFE fibers, a layer of charged coating is deposited on the outer surface of the filter bag through dust, the fineness of the PPS fibers is 1.0-2.0D, the fiber length is 51-76mm, the fineness of the PTFE fibers is 2.0-3.0D, and the fiber length is 34-48 mm. Through the surface dust deposit one deck coating, make the filter bag surface produce electrostatic effect, the dust through the filter bag can be in filter bag surface certain distance department gathering and fall into the ash bucket under the filter bag pulse vibration effect, avoided the dust too deeply with the inside combination of filter material when filtering and influence it and fall into the ash bucket, also reduced the quantity of the inside dust gathering of filter material in the unit interval simultaneously, improved the life of filter bag to electrostatic precipitator and the double-deck effect of filter bag dust removal have been played.
Further, the vibration device is installed on the inner wall of the dust remover body through a support, and the vibration device is connected with the support through a rubber pad.
Further, the vibrating device comprises a vibrating frame, a motor and an eccentric wheel, the upper end of the filter bag is installed on the vibrating frame, and the motor and the eccentric wheel are fixedly installed on the vibrating frame.
Further, the gas outlet is provided with a ladder layer filtering material, and the ladder layer filtering material is formed by needling at least two specifications of fibers. The fineness and the pore radius of the fibers are smaller than those of the filter materials in the filter bag, preferably two layers of needle punched fabrics are adopted, the dust facing surface of the needle punched fabrics is formed by blending PPS/PET sea-island type composite fibers and PTFE fibers, wherein the fineness of the PPS/PET sea-island type composite fibers is 0.5-1D, the length of the PPS/PET sea-island type composite fibers is 51-76mm, the fineness of the PTFE fibers is 0.5-1D, the length of the PTFE fibers is 36-48mm, and the base fabric is 100 wt% of PTFE filament woven fabric.
When using, industry flue gas gets into the dust remover from the air inlet, through the inside separation of filter bag, gaseous from the filter bag outside outflow, and the dust then stops at the filter bag internal surface, through vibrating device's positive and negative direction vibration, provides vibration pulse for the filter bag regularly to shake off the dust of filter bag surface adsorption in the ash bucket, thereby realize the dust removal.
Compared with the prior art, the invention has the beneficial effects that:
(1) through dividing into the latter half and leading grey region and storage ash region for the air current of air inlet can't get into the storage ash region, and the storage ash region is in the comparatively steady state of air current, and the dust that falls down to the storage ash region from leading the dust board can not be because of the air current of air inlet and the raise once more, thereby has effectively improved the dust removal effect of dust remover.
(2) When the smoke and dust gets into the dust remover from the air inlet, can strike air inlet baffle to the redirecting flows downwards, sets air inlet baffle to the arc, can reduce the air current and receive when striking air inlet baffle the positive effort of positive force effect, makes the air current direction level and smooth change, has reduced the air current and has assaulted the influence to air inlet baffle, improves the life of dust remover.
(3) Set the arc to bilayer structure, the outside sets up the buffer layer for offset the resistance that the air inlet air current impacted and brought, the even arc surface stress condition, further reduce the air current and strike the influence to the air inlet baffle, improve the life of dust remover.
(4) The high-temperature-resistant needling fabric is used as a buffer layer, particularly the selection of polyimide fibers and PPS fibers plays an important role in constructing a complex three-dimensional structure in the needling fabric, so that dust particles can collide with the fibers which are intricate and complex in the three-dimensional structure when impacting the needling fabric to realize gradual stress, and the buffer effect is achieved.
Drawings
FIG. 1 is a first block diagram of the preferred embodiment of the present invention;
FIG. 2 is a second preferred embodiment of the present invention;
wherein, 1, a bracket; 2. a dust collector body; 3. a lower half; 4. an upper half; 5. an air inlet; 6. an air outlet; 7. an air inlet baffle; 8. a pattern plate; 9. a filter bag; 10. a vibrating device; 11. a support; 12. a rubber pad; 13. a vibration frame; 14. an electric motor; 15. an eccentric wheel; 16. a ladder layer filter material; 31. a dust guiding area; 32. a dust storage area; 33. and a dust guide plate.
Detailed Description
The present invention will be described in further detail with reference to the following drawings and examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The first embodiment is as follows:
fig. 1 is a first structural diagram of a preferred embodiment of the present invention, which includes the bracket 1 and the dust collector body 2, wherein the dust collector body 2 is disposed on the bracket 1, the dust collector body 2 includes a lower half portion 3 and an upper half portion 4, the air inlet 5 is disposed below the lower half portion 3, and the air outlet 6 is disposed on the upper half portion 4; the latter half 3 and the first half 4 are separated by air inlet baffle 7 and card 8, air inlet baffle 7 with card 8 structure as an organic whole, 5 one end in the air inlet is fixed 2 inner walls of dust remover body, be equipped with on the latter half 3 and lead grey region 31 and ash storage region 32, two regions are separated by infundibulate ash guide plate 33. Through dividing into the latter half and leading grey region and storage ash region for the air current of air inlet can't get into the storage ash region, and the storage ash region is in the comparatively steady state of air current, and the dust that falls down to the storage ash region from leading the dust board can not be because of the air current of air inlet and the raise once more, thereby has effectively improved the dust removal effect of dust remover.
In a preferred embodiment, the air inlet baffle 7 is an arc-shaped plate. When the smoke and dust gets into the dust remover from the air inlet, can strike air inlet baffle to the redirecting flows downwards, sets air inlet baffle to the arc, can reduce the air current and receive when striking air inlet baffle the positive effort of positive force effect, makes the air current direction level and smooth change, has reduced the air current and has assaulted the influence to air inlet baffle, improves the life of dust remover.
As a preferred embodiment, the arc-shaped plate has a double-layer structure, and includes a buffer layer and a steel plate stacked up and down, and the buffer layer is close to the air inlet. Set the arc to bilayer structure, the outside sets up the buffer layer for offset the resistance that the air inlet air current impacted and brought, the even arc surface stress condition, further reduce the air current and strike the influence to the air inlet baffle, improve the life of dust remover.
In a preferred embodiment, the buffer layer is made of high-temperature-resistant needle-punched cloth, preferably polyimide needle-punched cloth, the thickness of the buffer layer is 0.5-2 cm, and the gram weight of the buffer layer is 200-500 g/cm2。
In a preferred embodiment, the buffer layer is a high-temperature resistant needle-punched fabric, preferably a mixed needle-punched fabric of polyimide fibers and PPS fibers, the thickness of the mixed needle-punched fabric is 0.5-2 cm, and the gram weight of the mixed needle-punched fabric is 200-500 g/cm2。
In a preferred embodiment, the needle punched cloth is obtained by mixing 20 to 60wt% of polyimide fibers and 40 to 80wt% of PPS fibers.
The high-temperature-resistant needling fabric is used as a buffer layer, particularly the selection of the polyimide fiber and the PPS fiber has an important effect on the construction of a complex three-dimensional structure in the needling fabric, so that dust particles can collide with the complex fiber in the three-dimensional structure when impacting the needling fabric to realize gradual stress, and the buffer effect is achieved.
In a preferred embodiment, the lower part 3 is provided with a conical hopper.
In a preferred embodiment, the upper half comprises a plurality of filter bags 9 and a vibration device 10, wherein the lower end of each filter bag 9 is fixed on the faceplate 8, and the upper end is fixed on the vibration device 10. The filter material used by the filter bag 9 is formed by mixing and needling PPS fibers and PTFE fibers, a layer of charged coating is deposited on the outer surface of the filter material through dust, the fineness of the PPS fibers is 1.0-2.0D, the fiber length is 51-76mm, the fineness of the PTFE fibers is 2.0-3.0D, and the fiber length is 34-48 mm. Surprisingly, a layer of coating is deposited on the surface of the filter bag, so that an electrostatic effect is generated on the surface of the filter bag, dust passing through the filter bag is gathered at a certain distance from the surface of the filter bag and falls into the dust hopper under the action of pulse vibration of the filter bag, the phenomenon that the dust is too deeply combined with the inside of a filter material during filtering to influence the dust falling into the dust hopper is avoided, meanwhile, the quantity of the gathered dust in the filter material in unit time is also reduced, the service life of the filter bag is prolonged, and a double-layer effect of electrostatic dust removal and filter bag dust removal is achieved.
In a preferred embodiment, the vibration device 10 is mounted on the inner wall of the dust collector body 2 through a bracket 11, and the vibration device 10 is connected with the bracket 11 through a rubber pad 12.
In a preferred embodiment, the vibration device 10 comprises a vibration frame 13, a motor 14 and an eccentric 15, the upper end of the filter bag 9 is mounted on the vibration frame 13, and the motor 14 and the eccentric 15 are fixedly mounted on the vibration frame 13.
In a preferred embodiment, the air outlet 6 is provided with a ladder filter 16, and the ladder filter 16 is formed by needling at least two types of fibers. The fineness and the pore radius of the fibers are smaller than those of the filter materials in the filter bag, preferably two layers of needle punched fabrics are adopted, the dust facing surface of the needle punched fabrics is formed by blending PPS/PET sea-island type composite fibers and PTFE fibers, wherein the fineness of the PPS/PET sea-island type composite fibers is 0.5-1D, the length of the PPS/PET sea-island type composite fibers is 51-76mm, the fineness of the PTFE fibers is 0.5-1D, the length of the PTFE fibers is 36-48mm, and the base fabric is 100 wt% of PTFE filament woven fabric.
Example two:
fig. 2 is a structural diagram of a preferred embodiment of the present invention, which includes the bracket 1 and the dust collector body 2, wherein the dust collector body 2 is disposed on the bracket 1, the dust collector body 2 includes a lower half portion 3 and an upper half portion 4, the air inlet 5 is disposed below the lower half portion 3, and the air outlet 5 is disposed on the upper half portion 4; the latter half 3 and the first half 4 are separated by air inlet baffle 7 and card 8, air inlet baffle 7 with card 8 structure as an organic whole, 5 one ends of air inlet are fixed 2 inner walls of dust remover body, be equipped with on the latter half 3 and lead grey region 31 and ash storage region 32, two regions are separated by ash guide plate 33, ash guide plate 33's shape is the curved surface of upwards concave, and the ash guide mouth of ash guide region 31 and ash storage region 32 is led to middle bottom one-to-one connection. Through dividing into the latter half and leading grey region and storage ash region for the air current of air inlet can't get into the storage ash region, and the storage ash region is in the comparatively steady state of air current, and the dust that falls down to the storage ash region from leading the dust board can not be because of the air current of air inlet and the raise once more, thereby has effectively improved the dust removal effect of dust remover.
In a preferred embodiment, the air inlet baffle 7 is an arc-shaped plate. When the smoke and dust gets into the dust remover from the air inlet, can strike air inlet baffle to the redirecting flows downwards, sets air inlet baffle to the arc, can reduce the air current and receive when striking air inlet baffle the positive effort of positive force effect, makes the air current direction level and smooth change, has reduced the air current and has assaulted the influence to air inlet baffle, improves the life of dust remover.
As a preferred embodiment, the arc-shaped plate has a double-layer structure, and includes a buffer layer and a steel plate stacked up and down, and the buffer layer is close to the air inlet. Set the arc to bilayer structure, the outside sets up the buffer layer for offset the resistance that the air inlet air current impacted and brought, the even arc surface stress condition, further reduce the air current and strike the influence to the air inlet baffle, improve the life of dust remover.
In a preferred embodiment, the buffer layer is made of high-temperature-resistant needle-punched cloth, preferably polyimide needle-punched cloth, the thickness of the buffer layer is 0.5-2 cm, and the gram weight of the buffer layer is 200-500 g/cm2。
In a preferred embodiment, the buffer layer is a high-temperature resistant needle-punched fabric, preferably a mixed needle-punched fabric of polyimide fibers and PPS fibers, the thickness of the mixed needle-punched fabric is 0.5-2 cm, and the gram weight of the mixed needle-punched fabric is 200-500 g/cm2。
In a preferred embodiment, the needle punched cloth is obtained by mixing 20 to 60wt% of polyimide fibers and 40 to 80wt% of PPS fibers.
The high-temperature-resistant needling fabric is used as a buffer layer, particularly the selection of the polyimide fiber and the PPS fiber has an important effect on the construction of a complex three-dimensional structure in the needling fabric, so that dust particles can collide with the complex fiber in the three-dimensional structure when impacting the needling fabric to realize gradual stress, and the buffer effect is achieved.
In a preferred embodiment, the lower part 3 is provided with a conical hopper.
In a preferred embodiment, the upper half comprises a plurality of filter bags 9 and a vibration device 10, wherein the lower end of each filter bag 9 is fixed on the faceplate 8, and the upper end is fixed on the vibration device 10. The filter material used by the filter bag 9 is formed by mixing and needling PPS fibers and PTFE fibers, a layer of charged coating is deposited on the outer surface of the filter material through dust, the fineness of the PPS fibers is 1.0-2.0D, the fiber length is 51-76mm, the fineness of the PTFE fibers is 2.0-3.0D, and the fiber length is 34-48 mm. Surprisingly, a layer of coating is deposited on the surface of the filter bag, so that an electrostatic effect is generated on the surface of the filter bag, dust passing through the filter bag is gathered at a certain distance from the surface of the filter bag and falls into the dust hopper under the action of pulse vibration of the filter bag, the phenomenon that the dust is too deeply combined with the inside of a filter material during filtering to influence the dust falling into the dust hopper is avoided, meanwhile, the quantity of the gathered dust in the filter material in unit time is also reduced, the service life of the filter bag is prolonged, and a double-layer effect of electrostatic dust removal and filter bag dust removal is achieved.
In a preferred embodiment, the vibration device 10 is mounted on the inner wall of the dust collector body 2 through a bracket 11, and the vibration device 10 is connected with the bracket 11 through a rubber pad 12.
In a preferred embodiment, the vibration device 10 comprises a vibration frame 13, a motor 14 and an eccentric 15, the upper end of the filter bag 9 is mounted on the vibration frame 13, and the motor 14 and the eccentric 15 are fixedly mounted on the vibration frame 13.
In a preferred embodiment, the air outlet 6 is provided with a ladder filter 16, and the ladder filter 16 is formed by needling at least two types of fibers. The fineness and the pore radius of the fibers are smaller than those of the filter materials in the filter bag, preferably two layers of needle punched fabrics are adopted, the dust facing surface of the needle punched fabrics is formed by blending PPS/PET sea-island type composite fibers and PTFE fibers, wherein the fineness of the PPS/PET sea-island type composite fibers is 0.5-1D, the length of the PPS/PET sea-island type composite fibers is 51-76mm, the fineness of the PTFE fibers is 0.5-1D, the length of the PTFE fibers is 36-48mm, and the base fabric is 100 wt% of PTFE filament woven fabric.
When using, industry flue gas gets into the dust remover from the air inlet, through the inside separation of filter bag, gaseous from the filter bag outside outflow, and the dust then stops at the filter bag internal surface, through vibrating device's positive and negative direction vibration, provides vibration pulse for the filter bag regularly to shake off the dust of filter bag surface adsorption in the ash bucket, thereby realize the dust removal.
While the foregoing description shows and describes the preferred embodiments of the present invention, it is to be understood that the invention is not limited to the forms disclosed herein, but is not to be construed as excluding other embodiments and is capable of use in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as described herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (9)
1. The utility model provides a bag collector for industrial flue gas, characterized in that, includes support (1) and dust remover body (2), dust remover body (2) set up on support (1), dust remover body (2) include the latter half (3) and first half (4), the latter half (3) and first half (4) are separated by air inlet baffle (7) and card (8), air inlet baffle (7) with card (8) structure as an organic whole, be equipped with on the latter half (3) and lead grey region (31) and store up grey region (32), two regions are separated by leading grey board (33); the air inlet (5) is arranged at the upper part of the lower half part (3) and above the ash guide plate (33), one end of the air inlet (5) is fixed on the inner wall of the dust remover body (2), and the air outlet (6) is arranged at the upper half part (4); the air inlet baffle (7) is an arc-shaped plate which is of a double-layer structure and comprises a buffer layer and a steel plate which are vertically stacked, and the buffer layer is close to the air inlet.
2. The bag collector for industrial flue gas of claim 1, wherein the buffer layer is a polyimide needle punched cloth with a thickness of 0.5 ~ 2cm and a gram weight of 200 ~ 500g/cm2。
3. The bag type dust collector for industrial flue gas as claimed in claim 1, wherein the buffer layer is made of polyimide fiber and PPS fiberThe thickness of the mixed needle-punched cloth is 0.5 ~ 2cm, and the gram weight is 200 ~ 500g/cm2。
4. The bag type dust collector for industrial flue gas as claimed in claim 3, wherein the needle punched cloth is obtained by mixing 20 ~ 60wt% of polyimide fiber and 40 ~ 80wt% of PPS fiber.
5. A bag house for industrial fumes according to any of claims 1 to 4, characterized in that the lower half (3) is provided with a conical hopper.
6. A bag house collector for industrial fumes according to claim 5, characterized in that said upper half (4) comprises a plurality of filter bags (9) and vibrating means (10), each filter bag (9) being fixed at the lower end to said card (8) and at the upper end to said vibrating means (10).
7. The bag type dust collector for industrial flue gas according to claim 6, wherein the vibration device (10) is installed on the inner wall of the dust collector body (2) through a bracket (11), and the vibration device (10) is connected with the bracket (11) through a rubber gasket (12).
8. The bag filter for industrial flue gas according to claim 6, wherein the vibration device (10) comprises a vibration frame (13), a motor (14) and an eccentric wheel (15), the upper end of the filter bag (9) is mounted on the vibration frame (13), and the motor (14) and the eccentric wheel (15) are fixedly mounted on the vibration frame (13).
9. The bag type dust collector for industrial flue gas according to claim 1, wherein the air outlet (6) is provided with a ladder layer filtering material (16), and the ladder layer filtering material (16) is formed by needling at least two types of fiber.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710329584.0A CN106975285B (en) | 2017-05-11 | 2017-05-11 | Bag collector for industrial flue gas |
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| CN201710329584.0A CN106975285B (en) | 2017-05-11 | 2017-05-11 | Bag collector for industrial flue gas |
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| CN106975285B true CN106975285B (en) | 2019-12-27 |
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| CN110339640B (en) * | 2019-08-16 | 2021-11-09 | 重庆市赛特刚玉有限公司 | Dumping furnace self-baking electrode volatile dust remover |
| CN112057968A (en) * | 2020-10-13 | 2020-12-11 | 李卫 | Bag-type dust collector of biomass power plant |
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| CN201182957Y (en) * | 2008-04-29 | 2009-01-21 | 江苏科宝机械制造有限公司 | Powder dust predissociation air box pulse bag-type dust remover |
| CN202410413U (en) * | 2011-12-21 | 2012-09-05 | 广州力晖环保科技有限公司 | Dust collector |
| CN204337961U (en) * | 2014-12-19 | 2015-05-20 | 重庆钢铁集团设计院有限公司 | Liquid steel refining dry vacuum system electricity consumption-bag complex filter |
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