Ash removal device of cloth bag dust remover
Technical Field
The utility model relates to the technical field of ash removal of bag-type dust collectors, in particular to an ash removal device of a bag-type dust collector.
Background
The bag-type dust collector is a dry dust filtering device, which is suitable for collecting fine, dry and non-fibrous dust, and as the surface of the filter bag can accumulate a large amount of dust after the bag-type dust collector is used for a long time, the dust can be attached to the filter bag, and the filtering rate of the filter bag is reduced.
The existing dust removal mode of the bag-type dust remover is mainly to manually clean the filter bag, so that time and labor are wasted, the dust remover cannot be normally used during cleaning, the working efficiency of the bag-type dust remover is further reduced, and the box body cannot be cleaned.
In view of this, chinese patent CN 219167951U discloses a dust remover for a bag-type dust remover, which is provided with a chassis, a placement plate, a motor, a first bevel gear, a second bevel gear, a first transmission shaft, a first sprocket, a double-drive sprocket, a first rotating rod, a first cam, a second sprocket, a second rotating rod, a second cam, a first chain, a second chain, a starting motor, an output shaft of the motor drives the first bevel gear to operate, the first bevel gear drives the second bevel gear to operate, the second bevel gear drives the first transmission shaft to operate, the first transmission shaft drives the first sprocket to operate, the first sprocket drives the double-drive sprocket to operate under the action of the first chain, the double-drive sprocket drives the first rotating rod to operate, the first rotating rod drives the first cam to operate under the action of the second chain, the second sprocket drives the second rotating rod to operate, and the second rotating rod drives the second cam to operate, so that the dust remover can clean a filter bag.
By comparing the above prior art documents, the present inventors considered that the following drawbacks still exist:
The utility model provides a filter cloth bag is beaten to the rotation through the second cam, thereby improves the deashing effect, but at sack cleaner in-service use's in-process, in order to guarantee that the filter bag is not inhaled flat when filtering, partial sack cleaner generally all can have bag cage or dust removal skeleton at the internally mounted of filter bag, beat it from the inboard through the cam and damage it easily to influence the life of filter cloth bag, the practicality is relatively poor, in view of this, we propose an ash removal device of sack cleaner to solve above problems.
Disclosure of utility model
Aiming at the defects of the prior art, the utility model provides the ash removal device of the bag-type dust remover, which solves the problems that the service life of a filter bag is easily influenced by the fact that a cam is knocked from the inner side in the prior art, and the practicability is poor.
The dust removing device of the bag-type dust collector comprises a bag-type dust collector body, wherein a fixing plate is fixedly arranged on the inner wall of the bag-type dust collector body, a plurality of bag cages are fixedly arranged on the inner wall of the fixing plate, filter bags are arranged on the outer walls of the bag cages, a pulse back blowing component and a dust collecting component are arranged in the bag-type dust collector body, a cleaning component for cleaning dust is arranged in the bag-type dust collector body, the cleaning component comprises two mounting blocks fixedly arranged on the inner wall of the bag-type dust collector body, a screw rod is rotatably arranged on the top of one side of the mounting blocks, a sliding rod is fixedly arranged on the top of the mounting block on the other side of the mounting blocks, a thread block is arranged on the surface of the screw rod in a threaded mode, a sliding block is slidably arranged on the surface of the sliding rod, a movable plate is fixedly arranged between the thread block and the sliding block, a plurality of cleaning strips matched with the filter bags are fixedly arranged on the inner wall of the movable plate, and a driving component for driving the screw rod to rotate is further arranged in the bag-type dust collector body.
Further, a plurality of grooves are formed in the surface of the movable plate, the cleaning strips are fixedly arranged on the inner walls of the grooves, and the inner walls of the cleaning strips are in contact with the outer walls of the filter bags.
Further, the inner wall of the bag-type dust collector body and the upper part of the fixing plate are fixedly provided with a ventilation plate, and the top of the ventilation plate is fixedly provided with a fixing pipe.
Further, pulse back blowing subassembly includes fixed mounting at the pulse back blowing machine of sack cleaner body outer wall, pulse back blowing machine's output fixed mounting is in the blowpipe that the fixed pipe is linked together, the bottom of ventilation board just is located the top fixed mounting of bag cage and has a plurality of nozzle.
Further, the dust collection assembly comprises a suction fan fixedly arranged on the inner wall of the bag-type dust collector body, an air suction pipe communicated with the fixed pipe is fixedly arranged at the input end of the suction fan, an electromagnetic valve is fixedly arranged on the surface of the air suction pipe, an exhaust pipe extending to the outside of the bag-type dust collector body is fixedly arranged at the output end of the suction fan, and a plurality of connecting pipes used for sucking air are fixedly arranged at the bottom of the ventilation plate.
Further, the drive assembly is including rotating the pivot of installing at the intraductal roof of fixed, the drive leaf is installed to the bottom of pivot, the surface mounting of pivot has first toper ring gear, the inner wall of sack cleaner body rotates and installs the bull stick that extends to the intraductal, the bull stick is located the inside one end fixed mounting of fixed pipe and has the first conical gear with first toper ring gear engaged with, the surface mounting of bull stick has the second toper ring gear, the top of lead screw extends to the top of aeration board, the top fixed mounting of lead screw has the second conical gear with second toper ring gear engaged with.
Further, the inner wall of the fixed plate is fixedly provided with a first sealing sleeve, and the outer wall of the screw rod is rotationally connected with the inner wall of the first sealing sleeve.
Further, the inner wall of the fixed pipe is fixedly provided with a second sealing sleeve, and the outer wall of the rotating rod is rotationally connected with the inner wall of the second sealing sleeve.
Compared with the prior art, the utility model provides the ash removal device of the bag-type dust remover, which has the following beneficial effects:
1. This ash removal device of sack cleaner rotates through the drive lead screw for the screw thread piece drives the fly leaf and removes, can scrape the outer wall of filter bag through the inboard clearance strip of fly leaf and sweep, cooperation pulse blowback subassembly, thereby can effectually clear up the dust on filter bag surface, and be difficult for influencing the life of filter bag, has improved the practicality of device greatly.
2. The dust removing device of the cloth bag dust collector can enable the cleaning strip to scrape to the upper side of the filter bag through the rotation of the wind power driving screw of the dust collection assembly, and enable the cleaning strip to scrape to the lower side of the filter bag through the reverse rotation of the wind power driving screw of the pulse back blowing assembly, so that the structure of the cloth bag dust collector for cleaning the filter bag is more energy-saving and environment-friendly.
Drawings
FIG. 1 is a front cross-sectional view of the structure of the present utility model;
FIG. 2 is a schematic view of a bag cage and filter bag of the present utility model;
FIG. 3 is a front view of the fly leaf, screw block and slider of the present utility model;
FIG. 4 is a schematic diagram of a drive assembly according to the present utility model;
FIG. 5 is a schematic view of a cleaning bar of the present utility model;
FIG. 6 is a cross-sectional view of a stationary tube, a drive vane, a rotating rod and a second seal cartridge of the present utility model;
fig. 7 is a schematic diagram of a second embodiment of the present utility model.
In the figure, 1, a cloth bag dust collector body; 2, fixed plate, 3, bag cage, 4, filter bag, 5, ventilation plate, 6, installation block, 7, screw rod, 8, slide bar, 9, fixed tube, 10, rotating shaft, 11, driving blade, 12, first conical toothed ring, 13, first conical gear, 14, rotating rod, 15, second conical toothed ring, 16, second conical gear, 17, connecting tube, 18, nozzle, 19, pulse back blower, 20, blowing pipe, 21, suction blower, 22, suction pipe, 23, exhaust pipe, 24, electromagnetic valve, 25, first sealing sleeve, 26, second sealing sleeve, 27, screw block, 28, cleaning bar, 29, movable plate, 30, slide block, 31, motor.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1 and 2, an ash removal device of a bag-type dust collector comprises a bag-type dust collector body 1, wherein a fixing plate 2 is fixedly arranged on the inner wall of the bag-type dust collector body 1, a plurality of bag cages 3 are fixedly arranged on the inner wall of the fixing plate 2, and filter bags 4 are arranged on the outer wall of the bag cages 3.
Wherein the bag cage 3 is used for supporting the filter bag 4, so as to prevent the filter bag 4 from being shrunken, which is the prior art and will not be described herein.
The inside at sack cleaner body 1 is provided with pulse blowback subassembly and dust absorption subassembly, and wherein, pulse blowback subassembly is used for carrying out the deashing to filter bag 4, and dust absorption subassembly is used for absorbing outside dust to the inside of sack cleaner body 1 and filters.
Referring to fig. 3, 4 and 5, a cleaning assembly for cleaning dust is disposed in the bag-type dust collector body 1, the cleaning assembly comprises two mounting blocks 6 fixedly mounted on the inner wall of the bag-type dust collector body 1, a screw rod 7 is rotatably mounted at the top of one side of the mounting blocks 6, a sliding rod 8 is fixedly mounted at the top of the other side of the mounting blocks 6, a thread block 27 is mounted on the surface of the screw rod 7, a sliding block 30 is mounted on the surface of the sliding rod 8 in a sliding manner, a movable plate 29 is fixedly mounted between the thread block 27 and the sliding block 30, and a plurality of cleaning strips 28 matched with the filter bag 4 are fixedly mounted on the inner wall of the movable plate 29.
Through drive lead screw 7 rotation for screw thread piece 27 drives fly leaf 29 and removes, can scrape the outer wall of filter bag 4 through the inboard clearance strip 28 of fly leaf 29 and sweep, cooperation pulse blowback subassembly, thereby can effectually clear up the dust on filter bag 4 surface, and be difficult for influencing the life of filter bag 4, improved the practicality of the device greatly.
In this embodiment, the surface of the movable plate 29 is provided with a plurality of slots, the cleaning strips 28 are fixedly mounted on the inner walls of the slots, and the inner walls of the cleaning strips 28 are in contact with the outer walls of the filter bags 4.
It is worth noting that the filter bag 4 is always in contact with the inner wall of the cleaning strip 28, both during expansion due to blowback and during normal filtration.
In the embodiment, a ventilation plate 5 is fixedly arranged on the inner wall of the bag-type dust collector body 1 and above the fixing plate 2, and a fixing tube 9 is fixedly arranged on the top of the ventilation plate 5.
Referring to fig. 1 and 4, in the present embodiment, the pulse back blowing assembly includes a pulse back blowing fan 19 fixedly installed on the outer wall of the bag-type dust collector body 1, an output end of the pulse back blowing fan 19 is fixedly installed on a blowing pipe 20 communicated with the fixed pipe 9, and a plurality of nozzles 18 are fixedly installed at the bottom of the ventilation plate 5 and above the bag cage 3.
It is noted that the input end of the pulse counter blower 19 is adapted to be connected to an external high pressure air source, such as a high pressure air bag, etc., and the blower pipe 20 is a unidirectional air pipe.
In addition, through the effect of pulse back blowing, high-pressure gas can gush into the filter bag 4, so that the filter bag 4 expands and deforms to generate vibration, and under the effect of reverse airflow flushing, dust attached to the outer surface of the filter bag 4 is stripped and falls into an ash bucket, so that the ash removal effect is achieved.
In this embodiment, the dust collection assembly includes a suction fan 21 fixedly installed on the inner wall of the bag-type dust collector body 1, an air suction pipe 22 communicated with the fixed pipe 9 is fixedly installed at the input end of the suction fan 21, an electromagnetic valve 24 is fixedly installed on the surface of the air suction pipe 22, an exhaust pipe 23 extending to the outside of the bag-type dust collector body 1 is fixedly installed at the output end of the suction fan 21, and a plurality of connecting pipes 17 for sucking air are fixedly installed at the bottom of the ventilation plate 5.
When the bag-type dust collector body 1 is used for dust collection normally, the suction force generated by the suction fan 21 can adsorb dust entering the bag-type dust collector body 1 through the fixed pipe 9 and the connecting pipe 17, large-particle dust can be filtered by the filter bag 4, and purified gas is discharged through the exhaust pipe 23.
In this embodiment, the inside of the bag-type dust collector body 1 is further provided with a driving component for driving the screw rod 7 to rotate, the driving component comprises a rotating shaft 10 rotatably installed on the inner top wall of the fixed pipe 9, a driving blade 11 is installed at the bottom of the rotating shaft 10, a first conical toothed ring 12 is fixedly installed on the surface of the rotating shaft 10, a rotating rod 14 extending into the fixed pipe 9 is rotatably installed on the inner wall of the bag-type dust collector body 1, a first conical gear 13 meshed with the first conical toothed ring 12 is fixedly installed at one end of the rotating rod 14 located in the fixed pipe 9, a second conical toothed ring 15 is fixedly installed on the surface of the rotating rod 14, the top end of the screw rod 7 extends to the upper side of the ventilation plate 5, and a second conical gear 16 meshed with the second conical toothed ring 15 is fixedly installed at the top end of the screw rod 7.
Wherein, the drive leaf 11 can rotate under the suction of suction fan 21 to make bull stick 14 rotate through first conical ring gear 12 and first conical gear 13, and then make lead screw 7 rotate through second conical ring gear 15 and second conical gear 16, lead screw 7 can make fly leaf 29 upwards remove when the rotation, and then can carry out preliminary scraping to the outer wall of filter bag 4 through clearance strip 28, reduced the dust that the filter bag 4 surface adsorbed.
In addition, in the pulse back blowing deashing process, high-pressure gas can make the drive leaf 11 reverse rotation when passing through fixed pipe 9 to can make the reverse rotation of lead screw 7, and then make the clearance strip 28 scrape down along the surface of filter bag 4 and sweep, through clearance strip 28 cooperation pulse back blowing, can effectually clear up the dust on filter bag 4 surface.
The cleaning strip 28 can be scraped to the upper side of the filter bag 4 by rotating the wind driven screw rod 7 of the dust collection assembly, and the cleaning strip 28 can be scraped to the lower side of the filter bag 4 by reversely rotating the wind driven screw rod 7 of the pulse back blowing assembly, so that the structure of the bag-type dust collector for cleaning the filter bag 4 is more energy-saving and environment-friendly.
Referring to fig. 1 and 6, in the present embodiment, a first sealing sleeve 25 is fixedly installed on an inner wall of the fixing plate 2, an outer wall of the screw rod 7 is rotatably connected with an inner wall of the first sealing sleeve 25, a second sealing sleeve 26 is fixedly installed on an inner wall of the fixing tube 9, and an outer wall of the rotating rod 14 is rotatably connected with an inner wall of the second sealing sleeve 26.
The first sealing sleeve 25 is used for guaranteeing the sealing effect of the bag-type dust collector, so that filtered dust is not easy to enter the upper part of the fixed plate 2.
It should be noted that, in order to make the bag-type dust collector more applicable, the present application further provides a second embodiment, as shown in fig. 7:
the component for driving the screw rod 7 to rotate is set as the motor 31, so that the motor 31 can be replaced by the driving component when the suction force generated in the scene required by the practical application of the bag-type dust collector is insufficient, the screw rod 7 is driven to rotate by the motor 31, the effect of moving the cleaning strip 28 is achieved, and the dust cleaning effect of the filter bag 4 can be ensured.
When the dust collector is used, when the bag-type dust collector body 1 is used for dust collection normally, the suction force generated by the suction fan 21 can adsorb dust entering the bag-type dust collector body 1 through the fixed pipe 9 and the connecting pipe 17, large particle dust can be filtered by the filter bag 4, purified gas is discharged through the exhaust pipe 23, the driving blade 11 can rotate under the suction force of the suction fan 21, so that the rotating rod 14 rotates through the first conical toothed ring 12 and the first conical gear 13, the screw rod 7 rotates through the second conical toothed ring 15 and the second conical gear 16, the movable plate 29 can move upwards when the screw rod 7 rotates, the outer wall of the filter bag 4 can be primarily scraped through the cleaning strip 28, and dust adsorbed on the surface of the filter bag 4 is reduced;
When the cloth bag dust collector body 1 carries out the deashing, start pulse back blower 19, simultaneously close solenoid valve 24, pulse back blower 19 blows in the inside of fixed pipe 9 with outside high pressure gas, rethread nozzle 18 aims at filter bag 4 and carries out the back blowing, thereby the dust on the surface of stripping off filter bag 4, in this process, high pressure gas can make the drive leaf 11 reverse rotation when fixed pipe 9, thereby can make lead screw 7 reverse rotation, and then make the clearance strip 28 scrape down along the surface of filter bag 4 and sweep, through clearance strip 28 cooperation pulse back blowing, can effectually clear up the dust on filter bag 4 surface, and be difficult for influencing the life of filter bag 4, the practicality of the device has been improved greatly.
The electrical components appearing herein are all electrically connected with the master controller and the power supply, the master controller can be a conventional known device for controlling a computer and the like, and the prior art of power connection is not described in detail herein.
The foregoing description is only illustrative of the utility model and is not to be construed as limiting the utility model. Various modifications and variations of the present utility model will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, or the like, which is within the spirit and principle of the present utility model, should be included in the scope of the claims of the present utility model.