CN112246039A - Environment-friendly dust removal device for cement plant - Google Patents
Environment-friendly dust removal device for cement plant Download PDFInfo
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- CN112246039A CN112246039A CN202011074422.5A CN202011074422A CN112246039A CN 112246039 A CN112246039 A CN 112246039A CN 202011074422 A CN202011074422 A CN 202011074422A CN 112246039 A CN112246039 A CN 112246039A
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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
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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
- B01D46/24—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
- B01D46/66—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
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Abstract
The invention belongs to the technical field of dust removal, and particularly relates to an environment-friendly dust removal device for a cement plant, which comprises a shell, a filter cartridge, a fan and a controller, wherein the filter cartridge is arranged in the shell; the shell is pot-shaped, the upper end and the lower end of the shell are both provided with openings, and the lower end of the shell is fixedly connected with support legs; the filter cartridge is positioned in the shell and is in an annular cylinder shape, the upper end and the lower end of the filter cartridge are fixedly connected to the inner wall of the shell through three-jaw plates, and the lower end of the filter cartridge is fixedly connected with a sealing cover; the center of the sealing cover is fixedly connected with a pipe rod; the pipe rod is positioned inside the filter cartridge, two ends of the pipe rod are sealed, and the outer wall of the pipe rod is provided with air holes; according to the environment-friendly dust removal device, the air pump is used for impacting the inner wall of the filter cylinder and the second motor is used for driving the scraper plate to scrape the outer wall of the filter cylinder, so that the cleaning function of the filter cylinder in the environment-friendly dust removal device is realized, the filtering effect of the filter cylinder is further ensured, and the practicability of the environment-friendly dust removal device for a cement plant is improved.
Description
Technical Field
The invention belongs to the technical field of dust removal, and particularly relates to an environment-friendly dust removal device for a cement plant.
Background
The cement industry is the main source of dust discharge in China, the dust discharge amount is about 2% -3% of the output of the cement industry, the total discharge amount in China exceeds thousands of tons, various diseases are easily caused by long-term contact of human bodies with cement dust, the cement dust can cause land alkalization and seriously pollute the environment, a large amount of dust can be generated by calcination no matter crushing, drying or grinding in the cement production process, and because each process is a dry operation industry, the characteristics of multiple dust raising points, large area and wide range are formed, the waste gas amount of the kiln head of the cement kiln accounts for about 60% of the waste gas amount of the whole cement production line, and the waste gas of the kiln tail accounts for about 36% of the waste gas amount of the whole cement production line. The generation of dust not only pollutes the environment, but also seriously threatens the respiratory health of operators, the operators can normally operate only by wearing a dustproof mask, but also has influence on the body health, and the environment has overlarge dust, the visibility is reduced, the operators are very inconvenient to operate, and the environment is influenced; the dust collector that the cement plant has now often adopts the bag dust remover, and the bag dust remover uses a period of back, and inside filter screen can be blockked up by the dust, and the staff clears up the filter screen, because prior art is not enough, causes the filter screen cleaning effect poor for the dust is being remained to filter screen inside, thereby influences the inside filter screen of dust remover effect of once more.
Some technical schemes related to environment-friendly dust removal devices for cement plants also appear in the prior art, for example, a Chinese patent with the application number of CN201720022250.4 discloses novel dust removal equipment for cement plants, which comprises an air inlet pipe, a filter screen, a vibrator, a dust collection box, a water baffle, a dust removal chamber, a mud guard, a silt discharge port, a spray head, a dehydrator, an exhaust pipe, an induced draft fan, a filter and a water storage tank; the filter screen is arranged in the air inlet pipe to filter dust with higher concentration in a cement plant, the dust in the filter screen falls into the dust collection box through the vibration of the vibrator, and the collected dust can be used as a raw material of the cement plant; the gas passing through the filter screen is thoroughly purified in a dust removing chamber by utilizing wet dust removal, and then is discharged out of equipment through a dehydrator and a draught fan; the method has the advantages of strong reliability and small environmental influence; but this technical scheme electromagnetic shaker shakes when clearing up the filter screen, because of the dust is attached to the inside at the filter screen to make the electromagnetic shaker shake the effect of droing to the dust in the filter screen low, make the inside dust of filter screen can't drop through vibrations, influence the filter effect of filter screen, and then cause this technical scheme's limitation.
In view of this, in order to overcome the above technical problems, the invention provides an environment-friendly dust removing device for a cement plant, which adopts a special dust removing device to solve the above technical problems.
Disclosure of Invention
In order to make up for the defects of the prior art, the invention provides the environment-friendly dust removal device for the cement plant, wherein the air pump is used for impacting the inner wall of the filter cylinder and the second motor is used for driving the scraper plate to scrape the outer wall of the filter cylinder, so that the cleaning function of the filter cylinder in the environment-friendly dust removal device is realized, the filtering effect of the filter cylinder is further ensured, and the practicability of the environment-friendly dust removal device for the cement plant is improved.
The invention relates to an environment-friendly dust removal device for a cement plant, which comprises a shell, a filter cartridge, a fan and a controller, wherein the filter cartridge is arranged in the shell; the shell is pot-shaped, the upper end and the lower end of the shell are both provided with openings, and the lower end of the shell is fixedly connected with support legs; the filter cartridge is positioned in the shell and is in an annular cylinder shape, the upper end and the lower end of the filter cartridge are fixedly connected to the inner wall of the shell through three-jaw plates, and the lower end of the filter cartridge is fixedly connected with a sealing cover; the center of the sealing cover is fixedly connected with a pipe rod; the pipe rod is positioned inside the filter cartridge, two ends of the pipe rod are sealed, and the outer wall of the pipe rod is provided with air holes; the air holes are communicated with the inside of the pipe rod; an air pump is arranged on the outer wall of the shell; the air pump is communicated with the inside of the tube rod through an air tube; a connecting rod is rotatably connected between the two three-jaw plates; the connecting rod is positioned in the center of the shell, and one end of the connecting rod is fixedly connected with the fan; the fan is positioned above the three-jaw plate; the inner wall of the shell is fixedly connected with a first motor; the output shaft of the first motor is communicated with the other end of the connecting rod; the inner wall of the shell close to the support legs is fixedly connected with a sliding rod; the sliding rod is perpendicular to the three-jaw plate; the inner wall of the shell is connected with a scraper in a sliding way; the scraper is positioned between the two three-jaw plates, the section of the scraper is circular, the scraper is simultaneously connected with the sliding rod in a sliding manner, and the upper end of the scraper is provided with a circular groove; the filter cartridge passes through the circular groove; the wall of the circular groove is in contact with the outer wall of the filter cylinder; a second motor is arranged on the inner wall of the shell; an output shaft of the second motor is connected with a screw rod; the screw is vertical to the three-jaw plate and is in threaded connection with the scraper plate; the controller is used for controlling the environment-friendly dust removal device to automatically operate;
when the environment-friendly dust removal device works, after the environment-friendly dust removal device is used for a period of time, the internal filter cartridge can be blocked by dust, and workers clean the filter cartridge, so that due to the defects of the prior art, the cleaning effect of the filter cartridge is poor, the dust is remained in the filter cartridge, and the reuse effect of the filter cartridge in the environment-friendly dust removal device is influenced; therefore, the controller is started by the operator, the controller controls the first motor to rotate, the first motor drives the connecting rod to rotate due to the fact that the output shaft of the first motor is connected with the connecting rod, the first motor drives the fan to rotate through the connecting rod due to the fact that one end of the connecting rod is fixedly connected with the fan, internal airflow is driven to move through the fan, airflow in the air firstly penetrates through the lower end of the shell to enter the interior of the shell and then enters the interior of the filter cartridge after being filtered through the filter cartridge, dust in the air can be attached to fibers of the filter cartridge, the air in the interior of the filter cartridge is exhausted along the upper end of the shell under the action of the fan, the dust removal effect is achieved, the controller controls the first motor to stop rotating until the fibers of the filter cartridge are completely blocked by the dust, the controller starts the air pump to work, and the air pump is communicated with the interior of the pipe rod through the air pipe, because the pipe rod is positioned inside the filter cartridge, the outer wall of the pipe rod is provided with the air holes, the gas inside the pipe rod can be discharged along the air holes, thereby the gas acts on the inner wall of the filter cartridge, the filter cartridge can slightly expand under the action of the air flow, the dust on the fibers of the filter cartridge can move to the outer wall of the filter cartridge under the action of the air flow, the second motor is started to rotate, the second motor can drive the screw rod to rotate because the output shaft of the second motor is connected with the screw rod, the scraper plate is also connected with the slide rod in a sliding way because the scraper plate is connected with the inner wall of the shell in a sliding way, the scraper plate is also connected with the screw rod in a threaded way, the scraper plate, the slide rod and the screw rod form a screw rod slide block pair, the scraper plate can be driven to slide along the slide rod because the screw rod rotates, the upper end of the scraper plate is provided with the circular, after the filter cartridge is cleaned, the second motor drives the screw rod to rotate, so that the scraper moves upwards along the slide rod, and the scraper is attached to the lower end of the three-jaw plate; according to the environment-friendly dust removal device, the air pump is used for impacting the inner wall of the filter cylinder and the second motor is used for driving the scraper plate to scrape the outer wall of the filter cylinder, so that the cleaning function of the filter cylinder in the environment-friendly dust removal device is realized, the filtering effect of the filter cylinder is further ensured, and the practicability of the environment-friendly dust removal device for a cement plant is improved.
Preferably, the groove wall of the circular groove is provided with grooves which are uniformly distributed on the groove wall of the circular groove, the scraping block is connected in the grooves in a sliding manner, and the grooves are internally provided with springs; one end of the spring is connected with the bottom of the groove, and the other end of the spring is connected with the scraping block; the scraping block is contacted with the outer wall of the filter cylinder under the action of the spring; when the dust scraping device works, if the circular groove at the upper end of the scraping plate is in over-tight contact with the outer wall of the filter cylinder, the outer wall of the filter cylinder can be scratched, and if the circular groove at the upper end of the scraping plate is in over-loose contact with the outer wall of the filter cylinder, the dust scraping effect of the outer wall of the filter cylinder can be influenced; therefore, in the process of scraping the filter cartridge by the scraping plate driven by the motor II, the groove is formed in the wall of the circular groove, and the scraping block and the spring are arranged in the groove, so that the scraping block is in contact with the outer wall of the filter cartridge under the action of the spring, the spring has a buffering effect on the expanded filter cartridge, the circular groove and the outer wall of the filter cartridge are kept in a motion range, the circular groove on the scraping plate is prevented from scraping the outer wall of the filter cartridge, and dust on the outer wall of the filter cartridge is prevented from falling off due to the scraping of the scraping block; according to the environment-friendly dust removal device, the second motor drives the scraper to move and the spring pushes the scraping block against the outer wall of the filter cylinder to be matched, so that the scraping effect of the scraping block on the outer wall of the filter cylinder is guaranteed under the condition that the filter cylinder is not scratched by the scraping block, the actual application effect of the scraper is further improved, and the practicability of the environment-friendly dust removal device for a cement plant is improved.
Preferably, one end of the scraping block, which is in contact with the filter cartridge, is provided with strip-shaped grooves, and the strip-shaped grooves are uniformly distributed at one end of the scraping block; when the scraping device works, the friction force of the scraping block on the outer wall of the filter cylinder is limited, so that the scraping effect of the scraping block on the outer wall of the filter cylinder is limited; therefore, in the process that the scraping block scrapes the outer wall of the filter cylinder, the strip-shaped groove is formed in the end, in contact with the filter cylinder, of the scraping block, so that the contact area between the scraping block and the outer wall of the filter cylinder is reduced, the pressure intensity is increased, meanwhile, the friction force between the scraping block and the outer wall of the filter cylinder is increased, and the scraping effect of the scraping block on the outer wall of the filter cylinder is further enhanced by uniformly distributing the strip-shaped groove at one end of the scraping block; according to the environment-friendly dust removal device, the scraping block is driven by the scraping plate to scrape the outer wall of the filter cylinder, and the strip-shaped groove is formed in one end of the scraping block, so that the scraping effect of the scraping block on the outer wall of the filter cylinder is improved, the cleaning effect of the filter cylinder is further enhanced, and the using effect of the environment-friendly dust removal device for a cement plant is improved.
Preferably, one end of the scraping block is fixedly connected with two rows of bristles; the bristles are symmetrically distributed on the upper edge and the lower edge of one end of the scraping block; when the dust cleaning device works, the dust cleaning effect of the scraping block on the outer wall of the filter cylinder is limited, so that the cleanness of the filter cylinder is influenced; therefore, in the process of scraping the outer wall of the filter cylinder by the scraping block, because one end of the scraping block is fixedly connected with two rows of bristles, the scraping block can drive the two rows of bristles to move, so that the bristles at the lower edge of the scraping block firstly clean dust on the outer wall of the filter cylinder, then the scraping block scrapes the cleaned outer wall of the filter cylinder, and then the bristles at the upper edge of the scraping block clean the scraped outer wall of the filter cylinder again, so that the dust on the outer wall of the filter cylinder falls off under the dual actions of the scraping block and the bristles; according to the environment-friendly dust removal device, the scraping block is driven by the scraping plate to scrape the outer wall of the filter cylinder, and the scraping block drives the brush hairs to clean the outer wall of the filter cylinder, so that the cleaning effect of the filter cylinder is further improved, and the using effect of the environment-friendly dust removal device for a cement plant is improved.
Preferably, one end of the tube rod close to the fan is provided with an air bag; one air hole is communicated with the inside of the air bag; when the air pump works, the air pump impacts the inner wall of the filter cartridge along the air holes in the tube rod, and most of air flows away from the upper end of the filter cartridge due to the fact that the filter cartridge is in an annular cylinder shape, so that the impact effect of the air on the inner wall of the filter cartridge is influenced; therefore, after the air pump conveys air to the inside of the tube rod through the air pipe, because the inside of the air bag is communicated with one air hole, part of the air in the tube rod is conveyed to the inside of the air bag along one air hole, the air bag is enlarged under the action of air pressure, and because the air bag is positioned at one end, close to the fan, of the pipeline, the upper end of the filter cylinder is blocked after the air bag is expanded, so that the rest air flow completely impacts the inner wall of the filter cylinder, the impact effect of the air on the inner wall of the filter cylinder is further improved, and after dust on the filter cylinder is cleaned, the air pump extracts the air in the air bag, so that the normal operation of the environment-friendly dust removal device for a cement plant is.
Preferably, a group of elastic ropes is arranged around the air holes; the number of the elastic ropes is at least two, the elastic ropes are uniformly distributed around the air holes, and the end parts of the elastic ropes are fixedly connected with the same arc-shaped disc; the cambered surface of the arc-shaped disc is arranged towards the elastic rope; when the dust cleaning device works, the dust cleaning effect of the scraping block and the airflow on the filter cylinder is limited, so that dust remains on the outer wall of the filter cylinder, and the filtering effect of the filter cylinder is influenced; therefore, after the gas in the pipe rod is sprayed out along the gas holes, the elastic ropes are arranged around the gas holes, and the end parts of the elastic ropes are fixedly connected with the arc-shaped discs, so that part of the gas can be blocked by the arc-shaped discs, the elastic ropes can be pulled by the arc-shaped discs under the action of the gas flow, the elastic ropes are extended, the arc-shaped discs impact the inner wall of the filter cartridge, the gas flow discharged by the air pump is changed, the arc-shaped discs are driven by the gas flow to impact the inner wall of the filter cartridge back and forth, the filter cartridge is vibrated after being impacted by the arc-shaped discs, dust on the filter cartridge is further vibrated and then falls off, meanwhile, the gas flow generated by the gas holes impacts the filter cartridge and the scraper drives the scraping blocks to scrape the filter cartridge, the dust cleaning effect on the filter cartridge is further improved.
The invention has the following beneficial effects:
1. according to the environment-friendly dust removal device, the air pump is used for impacting the inner wall of the filter cylinder and the second motor is used for driving the scraper plate to scrape the outer wall of the filter cylinder, so that the cleaning function of the filter cylinder in the environment-friendly dust removal device is realized, the filtering effect of the filter cylinder is further ensured, and the practicability of the environment-friendly dust removal device for a cement plant is improved.
2. According to the environment-friendly dust removal device, the second motor drives the scraper to move and the spring pushes the scraping block against the outer wall of the filter cylinder to be matched, so that the scraping effect of the scraping block on the outer wall of the filter cylinder is guaranteed under the condition that the filter cylinder is not scratched by the scraping block, the actual application effect of the scraper is further improved, and the practicability of the environment-friendly dust removal device for a cement plant is improved.
3. According to the environment-friendly dust removal device, the scraping block is driven by the scraping plate to scrape the outer wall of the filter cylinder, and the strip-shaped groove is formed in one end of the scraping block, so that the scraping effect of the scraping block on the outer wall of the filter cylinder is improved, the cleaning effect of the filter cylinder is further enhanced, and the using effect of the environment-friendly dust removal device for a cement plant is improved.
Drawings
The invention is further described with reference to the following figures and embodiments.
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a perspective view of the present invention with the housing removed;
FIG. 3 is a cross-sectional view of the present invention;
FIG. 4 is an enlarged view at A in FIG. 3;
FIG. 5 is a structural view of the squeegee of the present invention;
FIG. 6 is a structural view of a scraping block of the present invention;
FIG. 7 is an enlarged view at B in FIG. 6;
FIG. 8 is a structural view of a pipe stick of the present invention;
FIG. 9 is an enlarged view at C in FIG. 8;
in the figure: the air pump comprises a shell 1, a support leg 11, an air pump 12, an air pipe 13, a first motor 14, a sliding rod 15, a second motor 16, a screw rod 17, a filter cylinder 2, a sealing cover 21, a fan 3, a three-jaw plate 4, a connecting rod 41, a pipe rod 5, an air hole 51, an air bag 52, an elastic rope 53, an arc-shaped disc 54, a scraping plate 6, a circular groove 61, a groove 62, a scraping block 63, a strip-shaped groove 631, bristles 632 and a spring 64.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1 to 9, the environment-friendly dust removing apparatus for cement plants according to the present invention comprises a housing 1, a filter cartridge 2, a fan 3 and a controller; the shell 1 is pot-shaped, openings are formed in the upper end and the lower end of the shell 1, and support legs 11 are fixedly connected to the lower end of the shell 1; the filter cartridge 2 is positioned inside the shell 1, the filter cartridge 2 is in an annular cylinder shape, the upper end and the lower end of the filter cartridge 2 are fixedly connected to the inner wall of the shell 1 through three-claw plates 4, and the lower end of the filter cartridge 2 is fixedly connected with a sealing cover 21; the center of the sealing cover 21 is fixedly connected with a pipe rod 5; the pipe rod 5 is positioned inside the filter cylinder 2, two ends of the pipe rod 5 are sealed, and the outer wall of the pipe rod 5 is provided with an air hole 51; the air holes 51 are communicated with the inside of the tube rod 5; an air pump 12 is arranged on the outer wall of the shell 1; the air pump 12 is communicated with the inside of the tube rod 5 through an air tube 13; a connecting rod 41 is rotatably connected between the two three-jaw plates 4; the connecting rod 41 is positioned in the center of the shell 1, and one end of the connecting rod 41 is fixedly connected with the fan 3; the fan 3 is positioned above the three-jaw plate 4; the inner wall of the shell 1 is fixedly connected with a first motor 14; the output shaft of the first motor 14 is communicated with the other end of the connecting rod 41; a sliding rod 15 is fixedly connected to the inner wall of the shell 1 close to the support leg 11; the sliding rod 15 is perpendicular to the three-jaw plate 4; the inner wall of the shell 1 is connected with a scraper 6 in a sliding way; the scraping plate 6 is positioned between the two three-jaw plates 4, the section of the scraping plate 6 is circular, the scraping plate 6 is simultaneously connected with the sliding rod 15 in a sliding manner, and the upper end of the scraping plate 6 is provided with a circular groove 61; the filter cartridge 2 passes through the circular groove 61; the wall of the circular groove 61 is in contact with the outer wall of the filter cylinder 2; a second motor 16 is arranged on the inner wall of the shell 1; the output shaft of the second motor 16 is connected with a screw rod 17; the screw 17 is vertical to the three-jaw plate 4, and the screw 17 is in threaded connection with the scraper 6; the controller is used for controlling the environment-friendly dust removal device to automatically operate;
when the environment-friendly dust removal device works, after the environment-friendly dust removal device is used for a period of time, the internal filter cylinder 2 can be blocked by dust, and workers clean the filter cylinder 2, so that due to the defects of the prior art, the cleaning effect of the filter cylinder 2 is poor, and the dust is remained in the filter cylinder 2, thereby affecting the reuse effect of the filter cylinder 2 in the environment-friendly dust removal device; therefore, the controller is started by the operator, the controller controls the first motor 14 to rotate, the output shaft of the first motor 14 is connected with the connecting rod 41, the first motor 14 drives the connecting rod 41 to rotate, the fan 3 is fixedly connected to one end of the connecting rod 41, the first motor 14 drives the fan 3 to rotate through the connecting rod 41, so that the fan 3 drives the internal airflow to move, the airflow in the air firstly passes through the lower end of the shell 1 to enter the interior of the shell 1 and then is filtered by the filter cartridge 2 to enter the interior of the filter cartridge 2, the dust in the air is attached to the fibers of the filter cartridge 2, the air in the filter cartridge 2 is exhausted along the upper end of the shell 1 under the action of the fan 3, the dust removal effect is realized, the controller controls the first motor 14 to stop rotating after the fibers of the filter cartridge 2 are completely blocked by the dust, the controller starts the air pump 12 to work, the air pump 12 is communicated with the interior of the pipe rod, therefore, the air pump 12 discharges the air into the tube rod 5 along the air pipe 13, the tube rod 5 is positioned inside the filter cartridge 2, the air holes 51 are formed in the outer wall of the tube rod 5, the air inside the tube rod 5 is discharged along the air holes 51, so that the air acts on the inner wall of the filter cartridge 2, the filter cartridge 2 slightly expands under the action of the air flow, dust on the fiber of the filter cartridge 2 moves to the outer wall of the filter cartridge 2 under the impact of the air flow, the second motor 16 is started to rotate, the second motor 16 drives the screw 17 to rotate because the output shaft of the second motor 16 is connected with the screw 17, the scraper 6 is connected to the inner wall of the shell 1 in a sliding manner, the scraper 6 is further connected with the slide rod 15 in a sliding manner, the scraper 6 is further connected with the screw 17 in a threaded manner, and the scraper 6, the slide rod 15 and the screw 17 form a slide block pair, so that the, because the upper end of the scraper 6 is provided with the circular groove 61, the wall of the circular groove 61 contacts with the outer wall of the filter cylinder 2, dust on the outer wall of the filter cylinder 2 can be scraped completely in the moving process of the scraper 6, and further the filter cylinder 2 is cleaned, and after the filter cylinder 2 is cleaned, the second motor 16 drives the screw rod 17 to rotate, so that the scraper 6 moves upwards along the slide rod 15, and the scraper 6 is attached to the lower end of the three-jaw plate 4; according to the environment-friendly dust removal device, the air pump 12 is used for impacting the inner wall of the filter cylinder 2 by air flow, and the second motor 16 is used for driving the scraper 6 to scrape the outer wall of the filter cylinder 2, so that the cleaning function of the filter cylinder 2 in the environment-friendly dust removal device is realized, the filtering effect of the filter cylinder 2 is further ensured, and the practicability of the environment-friendly dust removal device for a cement plant is improved.
As an embodiment of the present invention, a groove 62 is provided on a groove wall of the circular groove 61, the groove 62 is uniformly distributed on the groove wall of the circular groove 61, a scraping block 63 is slidably connected in the groove 62, and a spring 64 is further provided in the groove 62; one end of the spring 64 is connected with the groove bottom of the groove 62, and the other end of the spring is connected with the scraping block 63; the scraping block 63 is contacted with the outer wall of the filter cylinder 2 under the action of a spring 64; when the dust scraper works, if the circular groove 61 at the upper end of the scraper 6 is in tight contact with the outer wall of the filter cylinder 2, the outer wall of the filter cylinder 2 can be scratched, and if the circular groove 61 at the upper end of the scraper 6 is in loose contact with the outer wall of the filter cylinder 2, the dust scraping effect on the outer wall of the filter cylinder 2 can be influenced; therefore, in the process that the second motor 16 drives the scraper 6 to scrape the filter cartridge 2, as the groove 62 is formed in the groove wall of the circular groove 61 and the scraping block 63 and the spring 64 are arranged in the groove 62, the scraping block 63 is in contact with the outer wall of the filter cartridge 2 under the action of the spring 64, so that the spring 64 has a buffering effect on the expanded filter cartridge 2, the circular groove 61 and the outer wall of the filter cartridge 2 are kept in a movement range, the circular groove 61 on the scraper 6 is prevented from scraping the outer wall of the filter cartridge 2, and dust on the outer wall of the filter cartridge 2 is scraped by the scraping block 63 to fall off; according to the invention, the second motor 16 drives the scraper 6 to move and the spring 64 pushes the scraping block 63 against the outer wall of the filter cylinder 2 to match, so that the scraping block 63 ensures the scraping effect of the scraping block 63 on the outer wall of the filter cylinder 2 under the condition that the filter cylinder 2 is not scratched, the actual application effect of the scraper 6 is further improved, and the practicability of the environment-friendly dust removal device for a cement plant is improved.
As an embodiment of the present invention, one end of the scraping block 63 contacting the filter cartridge 2 is provided with strip-shaped grooves 631, and the strip-shaped grooves 631 are uniformly distributed at one end of the scraping block 63; when the scraping device works, the friction force of the scraping block 63 on the outer wall of the filter cylinder 2 is limited, so that the scraping effect of the scraping block 63 on the outer wall of the filter cylinder 2 is limited; therefore, in the process that the scraping block 63 scrapes the outer wall of the filter cylinder 2, the strip-shaped groove 631 is formed in one end, in contact with the filter cylinder 2, of the scraping block 63, so that the contact area between the scraping block 63 and the outer wall of the filter cylinder 2 is reduced, the pressure intensity is increased, meanwhile, the friction force between the scraping block 63 and the outer wall of the filter cylinder 2 is increased, and the scraping effect of the scraping block 63 on the outer wall of the filter cylinder 2 is further enhanced by uniformly distributing the strip-shaped groove 631 at one end of the scraping block 63; according to the invention, the scraping block 63 is driven by the scraping plate 6 to scrape the outer wall of the filter cylinder 2, and the strip-shaped groove 631 arranged at one end of the scraping block 63 is matched, so that the scraping effect of the scraping block 63 on the outer wall of the filter cylinder 2 is improved, the cleaning effect of the filter cylinder 2 is further enhanced, and the using effect of the environment-friendly dust removal device for a cement plant is improved.
As an embodiment of the present invention, one end of the scraping block 63 is fixedly connected with two rows of bristles 632; the brush bristles 632 are symmetrically distributed on the upper edge and the lower edge of one end of the scraping block 63; when the dust cleaning device works, the dust cleaning effect of the scraping block 63 on the outer wall of the filter cylinder 2 is limited, so that the cleanness of the filter cylinder 2 is influenced; therefore, in the process of scraping the outer wall of the filter cylinder 2 by the scraping block 63, because one end of the scraping block 63 is fixedly connected with two rows of bristles 632, the movement of the scraping block 63 can drive the two rows of bristles 632 to move, so that the bristles 632 at the lower edge of the scraping block 63 firstly clean dust on the outer wall of the filter cylinder 2, then the scraping block 63 scrapes the outer wall of the cleaned filter cylinder 2, and then the bristles 632 at the upper edge of the scraping block 63 clean the outer wall of the scraped filter cylinder 2 again, so that the dust on the outer wall of the filter cylinder 2 falls off under the dual action of the scraping block 63 and the bristles 632; according to the invention, the scraping block 63 is driven by the scraper 6 to scrape the outer wall of the filter cylinder 2, and the scraping block 63 drives the brush bristles 632 to clean the outer wall of the filter cylinder 2, so that the cleaning effect of the filter cylinder 2 is further improved, and the using effect of the environment-friendly dust removal device for a cement plant is improved.
As an embodiment of the present invention, an end of the tube rod 5 near the fan 3 is provided with an air bag 52; one of the air holes 51 is communicated with the inside of the air bag 52; when the gas filter works, the air pump 12 impacts the inner wall of the filter cylinder 2 along the air holes 51 on the tube rod 5, and most of gas flows away from the upper end of the filter cylinder 2 because the filter cylinder 2 is in an annular cylinder shape, so that the impact effect of the gas on the inner wall of the filter cylinder 2 is influenced; therefore, after the air pump 12 in the invention delivers air into the interior of the tube rod 5 through the air tube 13, because the interior of the air bag 52 is communicated with one of the air holes 51, a part of the air in the tube rod 5 is delivered into the interior of the air bag 52 along one of the air holes 51, the air bag 52 is enlarged under the action of air pressure, and because the air bag 52 is positioned at one end of the pipeline close to the fan 3, the upper end of the filter cartridge 2 is blocked after the air bag 52 is expanded, so that the rest of the air flow impacts the inner wall of the filter cartridge 2, thereby increasing the impact effect of the air on the inner wall of the filter cartridge 2, and after the dust on the filter cartridge 2 is cleaned, the air pump 12 pumps the air in the air bag 52 away, thereby ensuring the normal operation of the environment-friendly.
As an embodiment of the present invention, a set of elastic cords 53 is disposed around the air holes 51; the number of the elastic ropes 53 is at least two, the elastic ropes 53 are uniformly distributed around the air holes 51, and the end parts of the elastic ropes 53 are fixedly connected with the same arc-shaped disc 54; the arc surface of the arc disc 54 is arranged towards the elastic rope 53; when the dust cleaning device works, the dust cleaning effect of the scraping block 63 and the air flow on the filter cylinder 2 is limited, so that dust remains on the outer wall of the filter cylinder 2, and the filtering effect of the filter cylinder 2 is influenced; therefore, after the gas in the pipe rod 5 is sprayed out along the air holes 51, because the elastic ropes 53 are arranged around the air holes 51 and the end parts of the elastic ropes 53 are fixedly connected with the arc-shaped discs 54, the arc-shaped discs 54 can block part of the gas, the elastic ropes 53 can be pulled by the arc-shaped discs 54 under the action of the gas flow, so that the elastic ropes 53 are extended, so that the arc-shaped disc 54 collides against the inner wall of the filter cartridge 2, and by changing the size of the air current discharged from the air pump 12, thereby driving the arc-shaped disc 54 to impact the inner wall of the filter cartridge 2 back and forth through the air flow, so that the filter cartridge 2 generates vibration after being impacted by the arc-shaped disc 54, and then make the dust on the cartridge filter 2 drop after receiving vibrations, produce the air current simultaneously and strike cartridge filter 2 with the gas pocket 51 and scrape piece 63 and scrape the cartridge filter 2 with scraper blade 6 drive and scrape and move and cooperate, further improve the dust cleaning effect on the cartridge filter 2 for the cement mill obtains improving with environmental protection dust collector's result of use.
When the dust removal device works, a worker starts the controller, the controller controls the first motor 14 to rotate, the output shaft of the first motor 14 is connected with the connecting rod 41, the first motor 14 drives the connecting rod 41 to rotate, the fan 3 is fixedly connected to one end of the connecting rod 41, the first motor 14 drives the fan 3 to rotate through the connecting rod 41, so that the fan 3 drives the internal airflow to move, the airflow in the air firstly passes through the lower end of the shell 1 to enter the shell 1 and then passes through the filter cartridge 2 to enter the filter cartridge 2, dust in the air is attached to fibers of the filter cartridge 2, the air in the filter cartridge 2 is exhausted along the upper end of the shell 1 under the action of the fan 3, the dust removal effect is achieved, the controller controls the first motor 14 to stop rotating until the fibers of the filter cartridge 2 are completely blocked by the dust, the controller starts the air pump 12 to work, the air pump 12 is communicated with the inside of the pipe rod 5 through the air pipe 13, therefore, the air pump 12 will discharge the air into the tube rod 5 along the air pipe 13, because the tube rod 5 is located inside the filter cartridge 2, the air holes 51 are arranged on the outer wall of the tube rod 5, the air inside the tube rod 5 will be discharged along the air holes 51, because the inside of the air bag 52 is communicated with one of the air holes 51, a part of the air inside the tube rod 5 is conveyed to the inside of the air bag 52 along one of the air holes 51, the air bag 52 is enlarged by the action of the air pressure, because the air bag 52 is located at one end of the pipeline close to the fan 3, the upper end of the filter cartridge 2 will be blocked after the air bag 52 is expanded, so that the rest air flow totally impacts the inner wall of the filter cartridge 2, further the impact effect of the air on the inner wall of the filter cartridge 2 is increased, because the elastic rope 53 is arranged around the air holes 51, the end of the elastic rope 53 is fixedly connected with the arc disc 54, so that the arc disc 54 will block part of the air, thereby the stretch cord 53 is extended, and further the arc disc 54 impacts the inner wall of the filter cartridge 2, and the airflow from the air pump 12 is changed, so that the arc disc 54 is driven by the airflow to impact the inner wall of the filter cartridge 2 back and forth, the filter cartridge 2 is vibrated after being impacted by the arc disc 54, and further the dust on the filter cartridge 2 falls off after being vibrated, the filter cartridge 2 can expand slightly under the action of the airflow, the dust on the fiber of the filter cartridge 2 can move to the outer wall of the filter cartridge 2 under the impact of the airflow, the second motor 16 is started to rotate, because the output shaft of the second motor 16 is connected with the screw 17, the second motor 16 can drive the screw 17 to rotate, because the scraper 6 is connected on the inner wall of the shell 1 in a sliding way, the scraper 6 is also connected with the slide bar 15 in a sliding way, the scraper 6 is also connected with the screw 17 in a threaded way, therefore, the screw 17 rotates to drive the scraper 6 to slide along the slide rod 15, the upper end of the scraper 6 is provided with the circular groove 61, the groove wall of the circular groove 61 is in contact with the outer wall of the filter cylinder 2, dust on the outer wall of the filter cylinder 2 can be scraped in the moving process of the scraper 6, and the filter cylinder 2 is cleaned; the strip-shaped groove 631 is formed in one end, in contact with the filter cartridge 2, of the scraping block 63, so that the contact area between the scraping block 63 and the outer wall of the filter cartridge 2 is reduced, the pressure intensity is increased, meanwhile, the friction force between the scraping block 63 and the outer wall of the filter cartridge 2 is increased, and the scraping effect of the scraping block 63 on the outer wall of the filter cartridge 2 is further enhanced by uniformly distributing the strip-shaped groove 631 at one end of the scraping block 63; because one end of the scraping block 63 is fixedly connected with two rows of bristles 632, the movement of the scraping block 63 can drive the two rows of bristles 632 to move, so that the bristles 632 at the lower edge of the scraping block 63 firstly clean the dust on the outer wall of the filter cylinder 2, then the scraping block 63 scrapes the outer wall of the cleaned filter cylinder 2, and then the bristles 632 at the upper edge of the scraping block 63 clean the outer wall of the scraped filter cylinder 2 again, so that the dust on the outer wall of the filter cylinder 2 falls off under the dual action of the scraping block 63 and the bristles 632; after the filter cartridge 2 is cleaned, the second motor 16 drives the screw rod 17 to rotate, so that the scraper 6 moves upwards along the slide rod 15, and the scraper 6 is attached to the lower end of the three-jaw plate 4; the air pump 12 pumps the air in the air bag 52, thereby ensuring the normal operation of the environment-friendly dust removal device for the cement plant.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a cement plant uses environmental protection dust collector which characterized in that: comprises a shell (1), a filter cartridge (2), a fan (3) and a controller; the shell (1) is pot-shaped, openings are formed in the upper end and the lower end of the shell (1), and support legs (11) are fixedly connected to the lower end of the shell (1); the filter cartridge (2) is positioned inside the shell (1), the filter cartridge (2) is in an annular cylinder shape, the upper end and the lower end of the filter cartridge (2) are fixedly connected to the inner wall of the shell (1) through three-claw plates (4), and the lower end of the filter cartridge (2) is fixedly connected with a sealing cover (21); the center of the sealing cover (21) is fixedly connected with a pipe rod (5); the pipe rod (5) is positioned inside the filter cylinder (2), two ends of the pipe rod (5) are sealed, and an air hole (51) is formed in the outer wall of the pipe rod (5); the air holes (51) are communicated with the inside of the pipe rod (5); an air pump (12) is arranged on the outer wall of the shell (1); the air pump (12) is communicated with the inside of the tube rod (5) through an air tube (13); a connecting rod (41) is rotatably connected between the two three-jaw plates (4); the connecting rod (41) is positioned at the center of the shell (1), and one end of the connecting rod (41) is fixedly connected with the fan (3); the fan (3) is positioned above the three-jaw plate (4); the inner wall of the shell (1) is fixedly connected with a first motor (14); the output shaft of the first motor (14) is communicated with the other end of the connecting rod (41); a sliding rod (15) is fixedly connected to the inner wall of the shell (1) close to the support leg (11); the sliding rod (15) is vertical to the three-jaw plate (4); the inner wall of the shell (1) is connected with a scraper (6) in a sliding way; the scraping plate (6) is positioned between the two three-jaw plates (4), the section of the scraping plate (6) is circular, the scraping plate (6) is simultaneously connected with the sliding rod (15) in a sliding manner, and the upper end of the scraping plate (6) is provided with a circular groove (61); the filter cartridge (2) passes through the circular groove (61); the wall of the circular groove (61) is in contact with the outer wall of the filter cylinder (2); a second motor (16) is mounted on the inner wall of the shell (1); an output shaft of the second motor (16) is connected with a screw (17); the screw (17) is vertical to the three-jaw plate (4), and the screw (17) is in threaded connection with the scraper (6); the controller is used for controlling the environmental protection dust collector to automatically operate.
2. The environment-friendly dust removal device for the cement plant according to claim 1, characterized in that: grooves (62) are formed in the wall of the circular groove (61), the grooves (62) are uniformly distributed on the wall of the circular groove (61), the scraping block (63) is connected in the grooves (62) in a sliding mode, and springs (64) are further arranged in the grooves (62); one end of the spring (64) is connected with the groove bottom of the groove (62), and the other end of the spring is connected with the scraping block (63); the scraping block (63) is contacted with the outer wall of the filter cylinder (2) under the action of a spring (64).
3. The environment-friendly dust removal device for the cement plant according to claim 2, characterized in that: scrape the one end of piece (63) and cartridge filter (2) contact and be provided with bar groove (631), bar groove (631) evenly distributed is in the one end of scraping piece (63).
4. The environment-friendly dust removal device for the cement plant according to claim 3, characterized in that: one end of the scraping block (63) is fixedly connected with two rows of bristles (632); the brush bristles (632) are symmetrically distributed on the upper edge and the lower edge of one end of the scraping block (63).
5. The environment-friendly dust removal device for the cement plant according to claim 4, wherein: an air bag (52) is arranged at one end of the pipe rod (5) close to the fan (3); one of the air holes (51) is communicated with the air bag (52).
6. The environment-friendly dust removal device for the cement plant according to claim 5, wherein: a group of elastic ropes (53) are arranged around the air holes (51); the number of the elastic ropes (53) is at least two, the elastic ropes (53) are uniformly distributed around the air holes (51), and the end parts of the elastic ropes (53) are fixedly connected with the same arc-shaped disc (54); the cambered surface of the arc-shaped disc (54) is arranged towards the elastic rope (53).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011074422.5A CN112246039A (en) | 2020-10-09 | 2020-10-09 | Environment-friendly dust removal device for cement plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011074422.5A CN112246039A (en) | 2020-10-09 | 2020-10-09 | Environment-friendly dust removal device for cement plant |
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| Publication Number | Publication Date |
|---|---|
| CN112246039A true CN112246039A (en) | 2021-01-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011074422.5A Withdrawn CN112246039A (en) | 2020-10-09 | 2020-10-09 | Environment-friendly dust removal device for cement plant |
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| Country | Link |
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| CN (1) | CN112246039A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113648769A (en) * | 2021-08-17 | 2021-11-16 | 叶先华 | Dust fall equipment for building engineering |
| CN114768367A (en) * | 2022-06-22 | 2022-07-22 | 江苏瑞斯达安全防护用品有限公司 | Protective gloves raw materials for production filter equipment |
| CN115400501A (en) * | 2022-10-08 | 2022-11-29 | 浙江省海洋水产研究所 | Mariculture tail water filtration treatment device |
| CN116020210A (en) * | 2023-03-06 | 2023-04-28 | 扬州市苏灵农药化工有限公司 | Dust collector of jet mill for pesticide processing |
-
2020
- 2020-10-09 CN CN202011074422.5A patent/CN112246039A/en not_active Withdrawn
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113648769A (en) * | 2021-08-17 | 2021-11-16 | 叶先华 | Dust fall equipment for building engineering |
| CN114768367A (en) * | 2022-06-22 | 2022-07-22 | 江苏瑞斯达安全防护用品有限公司 | Protective gloves raw materials for production filter equipment |
| CN115400501A (en) * | 2022-10-08 | 2022-11-29 | 浙江省海洋水产研究所 | Mariculture tail water filtration treatment device |
| CN115400501B (en) * | 2022-10-08 | 2024-04-19 | 浙江省海洋水产研究所 | Seawater culture tail water filtering treatment device |
| CN116020210A (en) * | 2023-03-06 | 2023-04-28 | 扬州市苏灵农药化工有限公司 | Dust collector of jet mill for pesticide processing |
| CN116020210B (en) * | 2023-03-06 | 2023-11-10 | 扬州市苏灵农药化工有限公司 | Dust collector of jet mill for pesticide processing |
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Application publication date: 20210122 |