CN111714984A - Circulating dust removal system of pellet chain grate - Google Patents
Circulating dust removal system of pellet chain grate Download PDFInfo
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- CN111714984A CN111714984A CN202010610618.5A CN202010610618A CN111714984A CN 111714984 A CN111714984 A CN 111714984A CN 202010610618 A CN202010610618 A CN 202010610618A CN 111714984 A CN111714984 A CN 111714984A
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- box body
- dust removal
- rotating shaft
- dust
- filter screen
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- 239000000428 dust Substances 0.000 title claims abstract description 178
- 239000008188 pellet Substances 0.000 title claims abstract description 23
- 238000004140 cleaning Methods 0.000 claims description 57
- 238000005192 partition Methods 0.000 claims description 55
- 230000000903 blocking effect Effects 0.000 claims description 7
- 125000004122 cyclic group Chemical group 0.000 claims description 4
- 238000004064 recycling Methods 0.000 claims 3
- 230000000694 effects Effects 0.000 abstract description 14
- 238000000034 method Methods 0.000 description 8
- 238000001914 filtration Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 5
- 239000002245 particle Substances 0.000 description 4
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 230000000149 penetrating effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 239000011362 coarse particle Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Classifications
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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
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
-
- 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
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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
- B01D46/56—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition
- B01D46/58—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition connected in parallel
-
- 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
- B01D46/62—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition connected in series
-
- 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
- B01D46/68—Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements
- B01D46/681—Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements by scrapers, brushes or the like
Abstract
The embodiment of the invention relates to a dust removal system, and particularly discloses a circulating dust removal system of a pellet chain grate, which comprises a box body; an air inlet pipe is arranged on one side of the bottom of the box body, an air outlet pipe is arranged on the other side of the top of the box body, and a fan is arranged on the air outlet pipe; a primary dust removal assembly is arranged at the joint between the box body and the air inlet pipe; and a secondary dust removal assembly positioned between the air inlet pipe and the air outlet pipe is also arranged in the inner cavity of the box body. The dust removal system provided by the embodiment of the invention can carry out multi-stage dust removal on hot air containing dust through the primary dust removal component and the secondary dust removal component, ensures that the hot air entering the fan is clean, not only prevents blades of the fan from being worn, but also has better dust removal effect and can improve the efficiency.
Description
Technical Field
The invention relates to a dust removal system, in particular to a circulating dust removal system of a pellet chain grate.
Background
In the production process of the pellets, the hot air containing coarse particle dust from the chain grate needs to be subjected to dust removal treatment, and then green pellets in the chain grate are dried.
At present, a dust removal system for removing dust comprises a hot air pipe, a dust remover and a fan which are sequentially arranged and connected, and the working process of the dust removal system is as follows: the hot air enters the hot air pipe from the air inlet of the hot air pipe, flows along the hot air pipe under the action of the fan, then enters the dust remover for dust removal treatment, and after dust removal is finished, the hot air enters the fan and is discharged by the fan to enter the subsequent process.
In the use process of the dust removal system, as only one dust remover is arranged on the hot air pipe, the dust removal effect on hot air is not ideal, and the hot air entering the fan contains dust. And the dust granule that the hot-air that the chain grate came out contains is great, causes to erode the fan behind the hot-air admission fan that contains the dust for fan blade serious wear and tear, wear-resisting welt drops, and the fan loses dynamic balance, leads to shutting down, and then leads to whole production flow to go on smoothly, leads to the fact huge loss for the enterprise. And the hot air containing dust discharged from the fan can flush pipelines and equipment in the subsequent process, so that the service lives of the pipelines and the equipment are shortened.
Disclosure of Invention
The invention aims to provide a circulating dust removal system of a ball grate, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a circulating dust removal system of a pellet chain grate comprises a box body;
an air inlet pipe is arranged on one side of the bottom of the box body, an air outlet pipe is arranged on the other side of the top of the box body, and a fan is arranged on the air outlet pipe;
a primary dust removal assembly is arranged at the joint between the box body and the air inlet pipe;
a secondary dust removal assembly positioned between the air inlet pipe and the air outlet pipe is also arranged in the inner cavity of the box body;
the box body is communicated with the air inlet pipe through an air inlet cover, and the primary dust removal assembly comprises a primary filter screen;
a lower partition plate and an upper partition plate are respectively arranged in the box body, wherein the lower partition plate is positioned between the primary filter screen and the first dust falling port, and the upper partition plate is positioned between the air outlet pipe and the air inlet pipe; furthermore, second grade dust removal subassembly is including fixed mounting the cartridge filter on the last baffle, have the second grade filter screen on the curb plate of cartridge filter.
As a further scheme of the invention: the first-stage filter screen is arranged on the partition plate between the air inlet cover and the box body, hot air entering the air inlet cover through the air inlet pipe enters the box body after being preliminarily filtered by the first-stage filter screen; furthermore, in the embodiment of the present invention, the box body is further provided with a first dust falling port located below the primary filter screen, the first dust falling port is located on the partition plate between the air inlet cover and the box body, and large particle dust intercepted by the primary filter screen enters and is collected in the inner cavity at the bottom of the box body through the first dust falling port.
As a further scheme of the invention: a lower dust exhaust port is formed in one side of the inner cavity at the bottom of the box body, and dust collected in the inner cavity at the bottom of the box body can be conveniently exhausted after a valve on the lower dust exhaust port is opened.
As a further scheme of the invention: the first cleaning assembly is positioned between the lower partition plate and the upper partition plate and used for cleaning the surface of the primary filter screen.
As a further scheme of the invention: the first cleaning assembly comprises a transverse rotating shaft rotatably erected in the box body, a first cleaning brush is fixedly installed at the end part of the transverse rotating shaft extending into the air inlet cover, and the brush included in the first cleaning brush is tightly attached to the surface of the first-stage filter screen; first clean subassembly is still including being used for the drive the rotatory servo motor of transverse rotating shaft, servo motor fixed mounting is on the outer wall of box, servo motor's output dress with connect through the shaft coupling drive between the one end of transverse rotating shaft, consequently, the servo motor that utilizes to insert the power and start can drive transverse rotating shaft rotatory, and rotatory transverse rotating shaft drives first clean brush and cleans one-level filter screen surface to guarantee the filtration dust removal effect of one-level filter screen.
As a further scheme of the invention: and a second cleaning component for cleaning the surface of the second-stage filter screen is also arranged in the box body between the lower partition plate and the upper partition plate.
As a further scheme of the invention: the second cleaning assembly comprises a vertical rotating shaft which can be lifted and is rotatably arranged in the box body, and the top of the vertical rotating shaft is rotatably arranged on a bottom plate of the filter cartridge in a penetrating and sliding manner; the lower partition plate is provided with an electric telescopic rod used for adjusting the height position of the vertical rotating shaft, and the bottom end of the vertical rotating shaft is rotatably connected with the telescopic end of the electric telescopic rod.
As a further scheme of the invention: the clean subassembly of second is still including installing in vertical pivot and with the clean brush of second grade filter screen looks adaptation, the brush that the clean brush of second includes is hugged closely the surface of second grade filter screen, consequently, when vertical pivot is rotatory, can drive the clean brush of second and clean the surface of second grade filter screen, and utilize electric telescopic handle's flexible function, can adjust the brush of the clean brush of second and the contact range of second grade filter screen to produce the dead angle when avoiding cleaning second grade filter screen surface.
As a further scheme of the invention: according to the embodiment of the invention, the vertical rotating shaft is pushed to move in the vertical direction by utilizing the telescopic function of the electric telescopic rod until the driven bevel gear is meshed with the driving bevel gear, so that the first cleaning component and the second cleaning component can be driven to operate simultaneously by utilizing the servo motor.
As a further scheme of the invention: still be provided with the dust falling passageway on the baffle down, the dust falling passageway is hopper-shaped structure, just the bottom of dust falling passageway has the second dust falling mouth, still through bracing piece fixedly connected with in the vertical rotating shaft with the corresponding complex sprue of second dust falling mouth, consequently, when utilizing electric telescopic handle's flexible function to promote vertical rotating shaft and move in vertical direction, can make in the sprue embedding second dust falling mouth, realize sealed effect, when the dust in the dust falling passageway falls into and collects the bottom inner chamber at the box as required, only need with the sprue from the second dust falling mouth in take out can.
As a further scheme of the invention: an inclined baffle is arranged in an inner cavity at the top of the box body, a vent hole is formed in the top end of the inclined baffle, an upper dust exhaust port matched with the bottom end of the inclined baffle is further formed in one side of the top of the box body, and dust on the upper surface of the inclined baffle can be conveniently exhausted after a valve on the upper dust exhaust port is opened;
air suction cylinders are uniformly distributed in an inner cavity at the top of the box body, and the bottom end of each air suction cylinder is provided with a three-stage filter screen; an air outlet pipe positioned between the box body and the fan is communicated with an air guide main pipe, and the air suction cylinders are communicated with the air guide main pipe through air guide branch pipes;
be located the air guide be responsible for with still be provided with the control valve on the outlet duct between the box, when the control valve is in the on-state, hot-air can directly discharge through the outlet duct, and when the control valve is in the off-state, hot-air need filter the back through tertiary filter screen to be responsible for through the air guide and get into discharge in the outlet duct, consequently, utilize behind the dust that produces when tertiary filter screen filters the dust removal on falling the slope baffle, the dust outlet discharge on the accessible.
Compared with the prior art, the embodiment of the invention forms the airflow entering the box body from the air inlet pipe through the arranged fan, and the airflow is discharged from the bottom to the top in the box body and finally through the air outlet pipe; hot air entering the air inlet cover through the air inlet pipe enters the box body after being primarily filtered by the primary filter screen, and the hot air entering the inner cavity of the box body through the primary filter screen is further filtered by the secondary filter screen in the process of flowing from bottom to top; the servo motor which is connected with a power supply and started can drive the transverse rotating shaft to rotate, and the rotating transverse rotating shaft drives the first cleaning brush to clean the surface of the primary filter screen so as to ensure the filtering and dedusting effects of the primary filter screen; when vertical pivot is rotatory, can drive the clean brush of second and clean the surface of second grade filter screen, and utilize electric telescopic handle's flexible function, can adjust the brush of the clean brush of second and the contact range of second grade filter screen to produce the dead angle when avoiding cleaning second grade filter screen surface.
In summary, the dust removal system provided by the embodiment of the invention can perform multi-stage dust removal on hot air containing dust through the primary dust removal assembly and the secondary dust removal assembly, so that the hot air entering the fan is clean, the blade abrasion of the fan is prevented, the dust removal effect is good, and the efficiency can be improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention.
Fig. 1 is a schematic structural diagram of a pellet grate cyclic dust removal system provided by an embodiment of the invention.
Fig. 2 is a schematic perspective view of a filter cartridge in a pellet grate cyclic dust removal system according to an embodiment of the present invention.
Fig. 3 is a schematic partial three-dimensional structure diagram of a pellet grate cyclic dust removal system provided by an embodiment of the invention.
In the figure: 1-box body, 2-air inlet pipe, 3-air outlet pipe, 4-fan, 5-lower partition plate, 6-upper partition plate, 7-air inlet hood, 8-first dust falling port, 9-first cleaning brush, 10-primary filter screen, 11-electric telescopic rod, 12-dust falling channel, 13-second dust falling port, 14-block, 15-servo motor, 16-filter cylinder, 17-secondary filter screen, 18-second cleaning brush, 19-vertical rotating shaft, 20-transverse rotating shaft, 21-driving bevel gear, 22-driven bevel gear, 23-lower dust outlet, 24-upper dust outlet, 25-control valve, 26-main air guide pipe, 27-air suction pipe, 28-tertiary filter screen, 29-branch air guide pipe, 30-inclined baffle plate, 31-vent hole, 32-support rod.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1
As shown in fig. 1, in the embodiment provided by the invention, a pellet grate circulating dust removal system comprises a box body 1, wherein an air inlet pipe 2 is arranged on one side of the bottom of the box body 1, an air outlet pipe 3 is arranged on the other side of the top of the box body 1, and a fan 4 is arranged on the air outlet pipe 3;
further, in the embodiment provided by the invention, a primary dust removal assembly is arranged at the joint between the box body 1 and the air inlet pipe 2; a secondary dust removal assembly positioned between the air inlet pipe 2 and the air outlet pipe 3 is also arranged in the inner cavity of the box body 1;
specifically, in the embodiment provided by the invention, the box body 1 is communicated with the air inlet pipe 2 through the air inlet cover 7, the primary dust removal assembly comprises a primary filter screen 10, the primary filter screen 10 is arranged on a partition plate between the air inlet cover 7 and the box body 1, hot air entering the air inlet cover 7 through the air inlet pipe 2 enters the box body 1 after being preliminarily filtered by the primary filter screen 10; further, in the embodiment of the present invention, the box body 1 is further provided with a first dust falling port 8 located below the primary filter screen 10, the first dust falling port 8 is located on a partition plate between the air inlet cover 7 and the box body 1, and large particle dust trapped by the primary filter screen 10 enters and is collected in the inner cavity at the bottom of the box body 1 through the first dust falling port 8.
Specifically, as shown in fig. 1-2, in the embodiment of the present invention, a lower partition plate 5 and an upper partition plate 6 are respectively disposed in the box body 1, wherein the lower partition plate 5 is located between the primary filter screen 10 and the first dust falling port 8, and the upper partition plate 6 is located between the air outlet pipe 3 and the air inlet pipe 2; further, second grade dust removal subassembly includes fixed mounting the cartridge filter 16 on the last baffle 6, have second grade filter screen 17 on the curb plate of cartridge filter 16, consequently, the hot-air that gets into the box 1 inner chamber through one-level filter screen 10, in the in-process that flows from bottom to top, is carried out further filtration by second grade filter screen 17.
The dust removal system provided by the embodiment of the invention can carry out multi-stage dust removal on hot air containing dust through the primary dust removal component and the secondary dust removal component, ensures that the hot air entering the fan is clean, not only prevents blades of the fan from being worn, but also has better dust removal effect and can improve the efficiency.
Further, in the embodiment provided by the invention, a lower dust exhaust port 23 is arranged on one side of the bottom inner cavity of the box body 1, and after a valve on the lower dust exhaust port 23 is opened, dust collected in the bottom inner cavity of the box body 1 can be conveniently exhausted.
Example 2
As shown in fig. 1-3, in the embodiment provided by the invention, a pellet grate circulating dust removal system comprises a box body 1, wherein an air inlet pipe 2 is arranged on one side of the bottom of the box body 1, an air outlet pipe 3 is arranged on the other side of the top of the box body 1, a fan 4 is arranged on the air outlet pipe 3, an air flow entering the box body 1 from the air inlet pipe 2 is formed by the arranged fan 4, and the air flow is discharged from bottom to top in the box body 1 and finally through the air outlet pipe 3;
further, in the embodiment provided by the invention, a primary dust removal assembly is arranged at the joint between the box body 1 and the air inlet pipe 2; a secondary dust removal assembly positioned between the air inlet pipe 2 and the air outlet pipe 3 is also arranged in the inner cavity of the box body 1;
specifically, in the embodiment provided by the invention, the box body 1 is communicated with the air inlet pipe 2 through the air inlet cover 7, the primary dust removal assembly comprises a primary filter screen 10, the primary filter screen 10 is arranged on a partition plate between the air inlet cover 7 and the box body 1, hot air entering the air inlet cover 7 through the air inlet pipe 2 enters the box body 1 after being preliminarily filtered by the primary filter screen 10; further, in the embodiment of the present invention, the box body 1 is further provided with a first dust falling port 8 located below the primary filter screen 10, the first dust falling port 8 is located on a partition plate between the air inlet cover 7 and the box body 1, and large particle dust trapped by the primary filter screen 10 enters and is collected in the inner cavity at the bottom of the box body 1 through the first dust falling port 8.
Specifically, in the embodiment of the present invention, a lower partition plate 5 and an upper partition plate 6 are respectively disposed in the box body 1, wherein the lower partition plate 5 is located between the primary filter screen 10 and the first dust falling port 8, and the upper partition plate 6 is located between the air outlet pipe 3 and the air inlet pipe 2; further, second grade dust removal subassembly includes fixed mounting the cartridge filter 16 on the last baffle 6, have second grade filter screen 17 on the curb plate of cartridge filter 16, consequently, the hot-air that gets into the box 1 inner chamber through one-level filter screen 10, in the in-process that flows from bottom to top, is carried out further filtration by second grade filter screen 17.
Further, in the embodiment provided by the invention, a lower dust exhaust port 23 is arranged on one side of the bottom inner cavity of the box body 1, and after a valve on the lower dust exhaust port 23 is opened, dust collected in the bottom inner cavity of the box body 1 can be conveniently exhausted.
The dust removal system provided by the embodiment of the invention can carry out multi-stage dust removal on hot air containing dust through the primary dust removal component and the secondary dust removal component, ensures that the hot air entering the fan is clean, not only prevents blades of the fan from being worn, but also has better dust removal effect and can improve the efficiency.
Further, in the embodiment provided by the invention, a first cleaning assembly for cleaning the surface of the primary filter screen 10 is further arranged in the box body 1 between the lower partition plate 5 and the upper partition plate 6; specifically, the first cleaning assembly comprises a transverse rotating shaft 20 rotatably erected in the box body 1, a first cleaning brush 9 is fixedly installed at the end part of the transverse rotating shaft 20 extending into the air inlet cover 7, and a brush included in the first cleaning brush 9 is tightly attached to the surface of the primary filter screen 10; first clean subassembly is still including being used for the drive the servo motor 15 of transverse rotating shaft 20 rotation, servo motor 15 fixed mounting is on box 1's outer wall, servo motor 15's output dress with connect through the shaft coupling drive between transverse rotating shaft 20's the one end, consequently, utilize the servo motor 15 that inserts the power and start to drive transverse rotating shaft 20 rotatory, rotatory transverse rotating shaft 20 drives first clean brush 9 and cleans one-level filter screen 10 surfaces to guarantee one-level filter screen 10's filtration dust removal effect.
Further, as shown in fig. 1 to 3, in the embodiment of the present invention, a second cleaning assembly for cleaning the surface of the secondary screen 17 is further disposed in the box body 1 between the lower partition 5 and the upper partition 6; specifically, in the embodiment of the present invention, the second cleaning assembly includes a vertical rotating shaft 19 that is liftable and rotatably disposed in the box body 1, and a top of the vertical rotating shaft 19 is rotatably disposed on a bottom plate of the filter cartridge 16 in a penetrating and sliding manner; the lower partition plate 5 is provided with an electric telescopic rod 11 for adjusting the height position of the vertical rotating shaft 19, and the bottom end of the vertical rotating shaft 19 is rotatably connected with the telescopic end of the electric telescopic rod 11;
further, in the second cleaning assembly provided in the embodiment of the present invention, the second cleaning assembly further includes a second cleaning brush 18 mounted on the vertical rotating shaft 19 and adapted to the secondary filter screen 17, and a brush included in the second cleaning brush 18 is tightly attached to the surface of the secondary filter screen 17, so that when the vertical rotating shaft 19 rotates, the second cleaning brush 18 can be driven to clean the outer surface of the secondary filter screen 17, and the contact range between the brush of the second cleaning brush 18 and the secondary filter screen 17 can be adjusted by using the telescopic function of the electric telescopic rod 11, thereby avoiding a dead angle generated when the surface of the secondary filter screen 17 is cleaned;
further, in the embodiment of the present invention, a driving bevel gear 21 is fixedly mounted on the transverse rotating shaft 20, and a driven bevel gear 22 capable of being engaged with the driving bevel gear 21 is mounted on the vertical rotating shaft 19, and the embodiment of the present invention utilizes the telescopic function of the electric telescopic rod 11 to push the vertical rotating shaft 19 to move in the vertical direction until the driven bevel gear 22 is engaged with the driving bevel gear 21, so that the first cleaning assembly and the second cleaning assembly are driven to operate simultaneously by the servo motor 15.
With reference to fig. 1, in the embodiment of the present invention, a dust falling channel 12 is further disposed on the lower partition plate 5, the dust falling channel 12 is of a funnel-shaped structure, a second dust falling port 13 is disposed at a bottom end of the dust falling channel 12, and a blocking block 14 corresponding to the second dust falling port 13 is further fixedly connected to the vertical rotating shaft 19 through a support rod 32, so that when the vertical rotating shaft 19 is pushed by the telescopic function of the electric telescopic rod 11 to move in the vertical direction, the blocking block 14 can be embedded into the second dust falling port 13, thereby achieving a sealing effect, and when dust in the dust falling channel 12 needs to fall into and be collected in the bottom inner cavity of the box body 1, the blocking block 14 only needs to be pulled out of the second dust falling port 13.
Example 3
As shown in fig. 1-3, in the embodiment provided by the invention, a pellet grate circulating dust removal system comprises a box body 1, wherein an air inlet pipe 2 is arranged on one side of the bottom of the box body 1, an air outlet pipe 3 is arranged on the other side of the top of the box body 1, a fan 4 is arranged on the air outlet pipe 3, an air flow entering the box body 1 from the air inlet pipe 2 is formed by the arranged fan 4, and the air flow is discharged from bottom to top in the box body 1 and finally through the air outlet pipe 3;
further, in the embodiment provided by the invention, a primary dust removal assembly is arranged at the joint between the box body 1 and the air inlet pipe 2; a secondary dust removal assembly positioned between the air inlet pipe 2 and the air outlet pipe 3 is also arranged in the inner cavity of the box body 1;
specifically, in the embodiment provided by the invention, the box body 1 is communicated with the air inlet pipe 2 through the air inlet cover 7, the primary dust removal assembly comprises a primary filter screen 10, the primary filter screen 10 is arranged on a partition plate between the air inlet cover 7 and the box body 1, hot air entering the air inlet cover 7 through the air inlet pipe 2 enters the box body 1 after being preliminarily filtered by the primary filter screen 10; further, in the embodiment of the present invention, the box body 1 is further provided with a first dust falling port 8 located below the primary filter screen 10, the first dust falling port 8 is located on a partition plate between the air inlet cover 7 and the box body 1, and large particle dust trapped by the primary filter screen 10 enters and is collected in the inner cavity at the bottom of the box body 1 through the first dust falling port 8.
Specifically, in the embodiment of the present invention, a lower partition plate 5 and an upper partition plate 6 are respectively disposed in the box body 1, wherein the lower partition plate 5 is located between the primary filter screen 10 and the first dust falling port 8, and the upper partition plate 6 is located between the air outlet pipe 3 and the air inlet pipe 2; further, second grade dust removal subassembly includes fixed mounting the cartridge filter 16 on the last baffle 6, have second grade filter screen 17 on the curb plate of cartridge filter 16, consequently, the hot-air that gets into the box 1 inner chamber through one-level filter screen 10, in the in-process that flows from bottom to top, is carried out further filtration by second grade filter screen 17.
Further, in the embodiment provided by the invention, a lower dust exhaust port 23 is arranged on one side of the bottom inner cavity of the box body 1, and after a valve on the lower dust exhaust port 23 is opened, dust collected in the bottom inner cavity of the box body 1 can be conveniently exhausted.
The dust removal system provided by the embodiment of the invention can carry out multi-stage dust removal on hot air containing dust through the primary dust removal component and the secondary dust removal component, ensures that the hot air entering the fan is clean, not only prevents blades of the fan from being worn, but also has better dust removal effect and can improve the efficiency.
Further, in the embodiment provided by the invention, a first cleaning assembly for cleaning the surface of the primary filter screen 10 is further arranged in the box body 1 between the lower partition plate 5 and the upper partition plate 6; specifically, the first cleaning assembly comprises a transverse rotating shaft 20 rotatably erected in the box body 1, a first cleaning brush 9 is fixedly installed at the end part of the transverse rotating shaft 20 extending into the air inlet cover 7, and a brush included in the first cleaning brush 9 is tightly attached to the surface of the primary filter screen 10; first clean subassembly is still including being used for the drive the servo motor 15 of transverse rotating shaft 20 rotation, servo motor 15 fixed mounting is on box 1's outer wall, servo motor 15's output dress with connect through the shaft coupling drive between transverse rotating shaft 20's the one end, consequently, utilize the servo motor 15 that inserts the power and start to drive transverse rotating shaft 20 rotatory, rotatory transverse rotating shaft 20 drives first clean brush 9 and cleans one-level filter screen 10 surfaces to guarantee one-level filter screen 10's filtration dust removal effect.
Further, as shown in fig. 1 to 3, in the embodiment of the present invention, a second cleaning assembly for cleaning the surface of the secondary screen 17 is further disposed in the box body 1 between the lower partition 5 and the upper partition 6; specifically, in the embodiment of the present invention, the second cleaning assembly includes a vertical rotating shaft 19 that is liftable and rotatably disposed in the box body 1, and a top of the vertical rotating shaft 19 is rotatably disposed on a bottom plate of the filter cartridge 16 in a penetrating and sliding manner; the lower partition plate 5 is provided with an electric telescopic rod 11 for adjusting the height position of the vertical rotating shaft 19, and the bottom end of the vertical rotating shaft 19 is rotatably connected with the telescopic end of the electric telescopic rod 11;
further, in the second cleaning assembly provided in the embodiment of the present invention, the second cleaning assembly further includes a second cleaning brush 18 mounted on the vertical rotating shaft 19 and adapted to the secondary filter screen 17, and a brush included in the second cleaning brush 18 is tightly attached to the surface of the secondary filter screen 17, so that when the vertical rotating shaft 19 rotates, the second cleaning brush 18 can be driven to clean the outer surface of the secondary filter screen 17, and the contact range between the brush of the second cleaning brush 18 and the secondary filter screen 17 can be adjusted by using the telescopic function of the electric telescopic rod 11, thereby avoiding a dead angle generated when the surface of the secondary filter screen 17 is cleaned;
further, in the embodiment of the present invention, a driving bevel gear 21 is fixedly mounted on the transverse rotating shaft 20, and a driven bevel gear 22 capable of being engaged with the driving bevel gear 21 is mounted on the vertical rotating shaft 19, and the embodiment of the present invention utilizes the telescopic function of the electric telescopic rod 11 to push the vertical rotating shaft 19 to move in the vertical direction until the driven bevel gear 22 is engaged with the driving bevel gear 21, so that the first cleaning assembly and the second cleaning assembly are driven to operate simultaneously by the servo motor 15.
With reference to fig. 1, in the embodiment of the present invention, a dust falling channel 12 is further disposed on the lower partition plate 5, the dust falling channel 12 is of a funnel-shaped structure, a second dust falling port 13 is disposed at a bottom end of the dust falling channel 12, and a blocking block 14 corresponding to the second dust falling port 13 is further fixedly connected to the vertical rotating shaft 19 through a support rod 32, so that when the vertical rotating shaft 19 is pushed by the telescopic function of the electric telescopic rod 11 to move in the vertical direction, the blocking block 14 can be embedded into the second dust falling port 13, thereby achieving a sealing effect, and when dust in the dust falling channel 12 needs to fall into and be collected in the bottom inner cavity of the box body 1, the blocking block 14 only needs to be pulled out of the second dust falling port 13.
As shown in fig. 1, in the embodiment provided by the present invention, an inclined baffle 30 is disposed in the top inner cavity of the box body 1, the top end of the inclined baffle 30 has a vent hole 31, one side of the top of the box body 1 is further provided with an upper dust exhaust port 24 adapted to the bottom end of the inclined baffle 30, and after a valve on the upper dust exhaust port 24 is opened, dust on the upper surface of the inclined baffle 30 is conveniently exhausted;
further, in the embodiment provided by the invention, air suction cylinders 27 are uniformly distributed in the top inner cavity of the box body 1, and the bottom end of each air suction cylinder 27 is provided with a three-level filter screen 28; an air guide main pipe 26 is communicated with the air outlet pipe 3 positioned between the box body 1 and the fan 4, and the air suction cylinders 27 are communicated with the air guide main pipe 26 through air guide branch pipes 29;
furthermore, be located the air guide be responsible for 26 with still be provided with control valve 25 on the outlet duct 3 between the box 1, when control valve 25 is in the conducting state, hot-air can directly be discharged through outlet duct 3, and when control valve 25 was in the off-state, hot-air need be responsible for 26 through tertiary filter screen 28 and filter the back to discharge in getting into outlet duct 3 through the air guide, consequently, utilize behind the dust that produces when tertiary filter screen 28 filters the dust removal on falling inclined baffle 30, the accessible was gone up the dust outlet 24 and is discharged.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A circulating dust removal system of a pellet chain grate is characterized by comprising a box body (1);
an air inlet pipe (2) is arranged on one side of the bottom of the box body (1);
the other side of the top of the box body (1) is provided with an air outlet pipe (3), and the air outlet pipe (3) is provided with a fan (4);
a primary dust removal assembly is arranged at the joint between the box body (1) and the air inlet pipe (2);
a secondary dust removal component positioned between the air inlet pipe (2) and the air outlet pipe (3) is also arranged in the inner cavity of the box body (1);
the box body (1) is communicated with the air inlet pipe (2) through an air inlet cover (7), and the primary dust removal assembly comprises a primary filter screen (10);
a lower partition plate (5) and an upper partition plate (6) are respectively arranged in the box body (1), wherein the lower partition plate (5) is positioned between the primary filter screen (10) and the first dust falling port (8), and the upper partition plate (6) is positioned between the air outlet pipe (3) and the air inlet pipe (2); further, the secondary dust removal assembly comprises a filter cartridge (16) fixedly mounted on the upper partition plate (6), and a secondary filter screen (17) is arranged on a side plate of the filter cartridge (16).
2. The pellet grate circulating dust removal system of claim 1, wherein the primary filter screen (10) is arranged on a partition plate between the air inlet hood (7) and the box body (1), a first dust falling port (8) located below the primary filter screen (10) is further arranged on the box body (1), and the first dust falling port (8) is located on the partition plate between the air inlet hood (7) and the box body (1).
3. The pellet grate recycling dust removing system of claim 1, wherein a first cleaning assembly for cleaning the surface of the primary filter screen (10) is further arranged in the box body (1) between the lower partition plate (5) and the upper partition plate (6).
4. The pellet chain grate circulating dust removal system as claimed in claim 3, wherein the first cleaning assembly comprises a transverse rotating shaft (20) rotatably erected in the box body (1), and a first cleaning brush (9) is fixedly installed at the end part of the transverse rotating shaft (20) extending into the air inlet cover (7); the first cleaning assembly further comprises a servo motor (15) for driving the transverse rotating shaft (20) to rotate.
5. The pellet grate recycling dust removing system of claim 3, wherein a second cleaning component for cleaning the surface of the secondary screen (17) is further arranged in the box body (1) between the lower partition plate (5) and the upper partition plate (6).
6. The pellet chain grate circulating dust removal system as claimed in claim 5, wherein the second cleaning assembly comprises a vertical rotating shaft (19) which can be lifted and rotationally arranged in the box body (1), and the top of the vertical rotating shaft (19) is rotationally and slidably arranged on the bottom plate of the filter cylinder (16); install on lower baffle (5) and be used for the adjustment electric telescopic handle (11) of the high position that vertical rotating shaft (19) are located, just the bottom of vertical rotating shaft (19) with rotate between the flexible end of electric telescopic handle (11) and be connected.
7. The pellet grate recycling system of claim 6, characterized in that the second cleaning assembly further comprises a second cleaning brush (18) mounted on the vertical rotating shaft (19) and adapted to the secondary screen (17).
8. The pellet grate cyclic dust removal system of claim 6 or 7, wherein a driving bevel gear (21) is fixedly mounted on the transverse rotating shaft (20), and a driven bevel gear (22) capable of being meshed with the driving bevel gear (21) is mounted on the vertical rotating shaft (19).
9. The pellet chain grate circulating dust removal system as claimed in claim 6 or 7, wherein a dust falling channel (12) is further arranged on the lower partition plate (5), the dust falling channel (12) is of a funnel-shaped structure, a second dust falling port (13) is formed in the bottom end of the dust falling channel (12), and a blocking block (14) which is correspondingly matched with the second dust falling port (13) is further fixedly connected to the vertical rotating shaft (19) through a supporting rod (32).
10. The pellet grate circulating dust removal system as claimed in any one of claims 2-7, wherein an inclined baffle plate (30) is arranged in the top inner cavity of the box body (1), and the top end of the inclined baffle plate (30) is provided with a vent hole (31);
air suction cylinders (27) are uniformly distributed in an inner cavity at the top of the box body (1), and the bottom end of each air suction cylinder (27) is provided with a three-stage filter screen (28); an air guide main pipe (26) is communicated with an air outlet pipe (3) positioned between the box body (1) and the fan (4), and the air suction cylinders (27) are communicated with the air guide main pipe (26) through air guide branch pipes (29);
a control valve (25) is also arranged on the air outlet pipe (3) between the air guide main pipe (26) and the box body (1).
Priority Applications (1)
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CN202010610618.5A CN111714984A (en) | 2020-06-29 | 2020-06-29 | Circulating dust removal system of pellet chain grate |
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Application Number | Priority Date | Filing Date | Title |
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CN202010610618.5A CN111714984A (en) | 2020-06-29 | 2020-06-29 | Circulating dust removal system of pellet chain grate |
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CN202010610618.5A Withdrawn CN111714984A (en) | 2020-06-29 | 2020-06-29 | Circulating dust removal system of pellet chain grate |
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Cited By (3)
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CN112454791A (en) * | 2020-10-26 | 2021-03-09 | 江西科迪亚精密工业有限公司 | Dustproof device for foaming machine |
CN113521904A (en) * | 2021-07-19 | 2021-10-22 | 上汽通用五菱汽车股份有限公司 | Suction and discharge integrated recovery device |
CN115574604A (en) * | 2022-09-28 | 2023-01-06 | 江苏鑫润冶金机械制造有限公司 | Sintered pellet chain grate-circular cooler hot air circulating system |
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CN113521904A (en) * | 2021-07-19 | 2021-10-22 | 上汽通用五菱汽车股份有限公司 | Suction and discharge integrated recovery device |
CN115574604A (en) * | 2022-09-28 | 2023-01-06 | 江苏鑫润冶金机械制造有限公司 | Sintered pellet chain grate-circular cooler hot air circulating system |
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Application publication date: 20200929 |