CN113663430B - Long-bag pulse dust collector for waste gas treatment - Google Patents
Long-bag pulse dust collector for waste gas treatment Download PDFInfo
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- CN113663430B CN113663430B CN202111141498.XA CN202111141498A CN113663430B CN 113663430 B CN113663430 B CN 113663430B CN 202111141498 A CN202111141498 A CN 202111141498A CN 113663430 B CN113663430 B CN 113663430B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
- B01D46/04—Cleaning filters
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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
- B01D46/42—Auxiliary equipment or operation thereof
- B01D46/4227—Manipulating filters or filter elements, e.g. handles or extracting tools
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/025—Other waste gases from metallurgy plants
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/0283—Flue gases
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
- Y02A50/2351—Atmospheric particulate matter [PM], e.g. carbon smoke microparticles, smog, aerosol particles, dust
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- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention discloses a long-bag pulse dust collector for treating waste gas, which relates to the technical field of environmental protection equipment and comprises a dust collection box, wherein a plurality of dust collection filter bags are arranged in the dust collection box, bag cages are inserted into the dust collection filter bags, dust adhered to the surfaces of the dust collection filter bags is cleaned through a pulse dust cleaning device, and a vibration device is arranged at the bottom of each bag cage.
Description
Technical Field
The invention relates to the technical field of environmental protection equipment, in particular to a long-bag pulse dust collector for treating waste gas.
Background
The long-bag pulse dust collector is a new generation of pulse bag type dust collection technical machine, not only has the characteristics of strong dust removal capability, high dust removal efficiency, low emission concentration and the like of the blowing pulse dust collector, but also has the characteristics of stability, reliability, low energy consumption and small occupied area, and is particularly suitable for treating large-air-volume flue gas; the method is widely applied to the fields of electric steelmaking furnaces, boilers, calcium carbide furnaces, blast furnace gas purification, coal powder preparation and pneumatic conveying, asphalt concrete production, carbon black, building materials, fire resistance, chemical industry, aluminum electrolysis, aluminum zinc smelting and the like;
the existing long-bag pulse dust collector has the following problems in use:
1. although the existing long-bag pulse dust collector can remove dust adhered to the surface of a dust-collecting filter bag through pulse gas, the dust-collecting filter bag is longer, so that the effect of removing the dust adhered to the bottom of the dust-collecting filter bag is not ideal, and the filtering and treatment of waste gas are influenced;
2. the waste incineration gas contains a large amount of toxic and harmful gases, the toxic and harmful gases are difficult to completely remove through a dust removal filter bag, and the environment is polluted if the waste incineration gas after dust removal is directly discharged;
therefore, a long-bag pulse dust collector for treating waste gas is urgently needed to solve the technical problem.
Disclosure of Invention
The invention aims to provide a long-bag pulse dust collector for treating waste gas, which aims to solve the problems in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme: a long-bag pulse dust collector for treating waste gas of garbage comprises a dust collection box, an ash collection hopper and a purification box; dust removal bottom of the case portion is provided with the dust collection fill, dust removal roof portion is provided with the purifying box, dust collection fill bottom is provided with the ash discharge mouth, still be provided with the intake pipe on the dust collection fill, dust removal incasement portion installs a plurality of dust removal filter bag, the inside bag cage that has inserted of dust removal filter bag, the dust of dust removal filter bag surface adhesion clears up through pulse ash removal device, bag cage bottom is provided with vibrating device.
Through above-mentioned technical scheme, can avoid because the dust bag overlength leads to pulse gas relatively poor to the dust cleaning effect of dust bag bottom, utilizes vibrating device, even the pulse gas volume that reachs the dust bag bottom reduces to some extent, also can drive vibrating device and take place the vibration for the cleaning effect to dust bag bottom dust is not fallen back in other positions of dust bag.
According to a preferable technical scheme, the vibration device comprises an air gathering fence, a first shaking spring, a connecting rod, a vibration plate and a first air blowing hole;
the bag cage is characterized in that an air gathering fence is arranged at the bottom of the bag cage, a plurality of first shaking springs are arranged at the bottom end of the bag cage, the bottom ends of the first shaking springs are connected with a vibrating plate through connecting rods, and a plurality of first air blowing holes are formed in the vibrating plate.
Through the technical scheme, the pulse gas can be gathered, the acting force of the pulse gas is converted into the elastic potential energy of the first shaking spring, and the elastic potential energy and the kinetic energy are continuously converted, so that the number of times of collision between the vibrating plate and the bottom of the dust removal filter bag can be increased, and the dust cleaning effect on the bottom of the dust removal filter bag is improved.
According to a preferable technical scheme, the vibration device comprises a first air gathering hopper, a first air outlet pipe, a limiting telescopic sleeve, a vibration hammer, a fixing plate and a second shaking spring;
bag cage bottom is provided with the first gas hopper that gathers, the first gas hopper bottom of gathering is provided with first outlet duct, the spacing telescopic tube of slidable has been cup jointed in the first outlet duct outside, spacing telescopic tube bottom is provided with the vibratory hammer, the vibratory hammer is hollow structure, the first gas hopper outside of gathering is provided with the fixed plate, install a plurality of second shake spring between fixed plate and the vibratory hammer.
Through above-mentioned technical scheme, through the vibratory hammer of hammer type design, increased with the dust removal filter bag bottom between area of contact, improved the vibration effect of dust removal filter bag bottom, further promoted the clearance effect to dust removal filter bag bottom dust.
As a preferred technical scheme, a plurality of through holes are formed in the fixing plate.
As a preferred technical scheme, the vibration device comprises a second gas condensation hopper, a second gas outlet pipe and a vibration rubber ball;
the bag cage bottom is provided with the second condensate gas fill, second condensate gas fill bottom is provided with the second outlet duct, second outlet duct bottom is provided with the vibration rubber ball.
Through above-mentioned technical scheme for pulse gas shifts to the dust bag bottom to the tension effect of dust bag, and the bottom of dust bag is equivalent with the tension that other positions of dust bag received promptly, and even under the effect of vibration rubber ball, the tension of dust bag bottom is bigger, helps the clearance of dust more.
As a preferred technical scheme, a plurality of second air blowing holes are formed in the vibration rubber ball.
As a preferred technical scheme, the pulse ash removal device comprises a high-pressure gas tank, an ash removal pipeline and a pulse pipeline;
dust removal case externally mounted has high-pressure gas jar, high-pressure gas jar is inside to be full of high-pressure gas, dust removal incasement portion is located the dust bag top and installs the deashing pipeline, deashing pipeline below is provided with the pulse pipeline, inside the one end of pulse pipeline stretched into the dust bag, be provided with the pulse valve between deashing pipeline and the high-pressure gas jar, the pulse valve is connected with the controller, through the break-make of controller control pulse valve.
As a preferred technical scheme, a purification device is arranged in the purification box, an exhaust pipe is installed on the purification device, extends out of the purification box and is connected with an exhaust fan installed outside the purification box.
Through above-mentioned technical scheme, can carry out the secondary purification to the waste gas of getting rid of after the dust, the purpose of this time purification is in order to get rid of the poisonous and harmful substance in the waste gas, and the direct emission of avoiding waste gas can the environment cause the pollution for through the cleaner of long bag pulse dust collector combustion gas.
As the preferred technical scheme, the purifying device comprises a purifying box body, an air inlet, an air outlet, a rotating pipe and a filtering plate;
the utility model discloses a purification box, including purification box body, air inlet and exhaust fan, purification box body is located inside the purification box, purification box body inside is provided with the longitudinal section and is the circular shape purification chamber, purification chamber bottom tangential direction is provided with the air inlet, purification chamber top tangential direction is provided with the gas vent, the gas vent passes through the blast pipe and is connected with exhaust fan, the orientation opposite direction of air inlet and gas vent, purification box body inside is provided with the rotating tube, a plurality of filter is installed in the rotating tube outside.
Through above-mentioned technical scheme, the negative pressure drive swivelling joint and the filter through the gas vent take place to rotate for each filter is all to the air inlet removal when passing through the air inlet each time, and at this moment, the rubbish waste gas that gets into through the air inlet can be direct and bump between the filter, has improved the filter to the absorption and the filter effect of rubbish waste gas.
As a preferred technical scheme, a cleaning tank is arranged at the position, corresponding to an air inlet, of the bottom of the cleaning chamber, an inclined plate is arranged at the bottom of the cleaning tank, the inclined plate inclines towards the air inlet, an acute angle formed by the inclined plate and a horizontal plane is larger than 0 degree and smaller than 30 degrees, a liquid inlet pipe is arranged on one side of the cleaning tank, and a liquid outlet pipe is further arranged on the side wall of the cleaning tank;
the filter plate comprises a fixed frame, a sliding groove and a sliding plate;
the fixed frame is fixedly connected with the rotating pipe, a sliding groove is formed in the fixed frame, the sliding plate slides under the action of the sliding groove, and a plurality of balls are embedded in one end, in contact with the inclined plate, of the sliding plate.
Through the technical scheme, make each filter through the washing tank all can extend under the action of gravity, make the cleaning liquid of sliding plate in through the washing tank, make the filter that experiences a week rotation all can carry out the change of cleaning liquid, great improvement the filter to the filtration and the adsorption capacity of the poisonous and harmful gas in the rubbish abandonment, and simultaneously, under the effect of hang plate, make the sliding plate that stretches out can regain to the fixed frame once more, make whole process full automation, do not need artificial intervention.
Compared with the prior art, the invention has the beneficial effects that:
1. the dust-removing device is provided with the vibrating device, because the pulse gas enters from the top of the dust-removing filter bag, the pulse acting force on the bottom of the dust-removing filter bag is small, so that dust at the bottom of the dust-removing filter bag is difficult to clean, the vibrating device is driven by the pulse gas flow of the pulse dust-removing device to generate vibration at the bottom of the dust-removing filter bag, and the vibrating device collides with the bottom of the dust-removing filter bag during vibration, so that the dust at the bottom of the dust-removing filter bag is easier to clean.
2. The invention is provided with the purification device, and the negative pressure is generated by the exhaust fan connected with the exhaust port to drive the rotating pipe in the purification box body to rotate, so that the filter plates are driven to rotate in the purification cavity, each filter plate can be in contact with the front side of the garbage waste entering through the air inlet, the filtering and adsorbing effects on toxic and harmful gases in the garbage waste are improved, and the gases discharged through the exhaust fan are cleaner.
3. According to the invention, through the arranged cleaning tank and the sliding plate capable of sliding, the filter plate can extend due to gravity every time the filter plate passes through the cleaning tank, so that the sliding plate slides down from the fixed frame, and is further cleaned in the cleaning liquid in the cleaning tank, and simultaneously, more cleaning liquid is absorbed, and the filter plate can restore to the original state under the action of the inclined plate, so that the filtering and adsorbing effects of the filter plate on toxic and harmful gases in waste garbage are improved
Drawings
FIG. 1 is a schematic structural view of a long bag pulse dust collector for waste gas treatment of garbage according to the present invention;
FIG. 2 is a schematic structural diagram of the interior of a dust-removing box of a long-bag pulse dust collector for waste gas treatment according to the present invention;
FIG. 3 is a schematic structural diagram of a dust filter bag and a bag cage in a long bag pulse dust collector for waste gas treatment according to the present invention;
FIG. 4 is a schematic view showing a first embodiment of a vibration device in a long bag type pulse dust collector for treating waste gas according to the present invention;
FIG. 5 is a schematic view of a second embodiment of a vibration device in a long bag pulse dust collector for waste gas treatment according to the present invention;
FIG. 6 is a schematic view of a third embodiment of a vibration device in a long bag pulse dust collector for waste gas treatment according to the present invention;
FIG. 7 is a schematic structural diagram of a purification device in a long bag pulse dust collector for waste gas treatment according to the present invention;
FIG. 8 is a schematic structural view of the interior of a purification device in a long bag pulse dust collector for waste gas treatment according to the present invention;
FIG. 9 is a schematic view showing the structure of the filter plate in the long bag pulse dust collector for treating garbage and exhaust gas according to the present invention in an extended state.
Reference numbers in the figures: 1. a dust removal box; 2. a dust collecting hopper; 3. an ash discharge port; 4. a purification box; 5. an air inlet pipe;
601. a high pressure gas tank; 602. a dust removal pipeline; 603. a pulse pipe;
7. a dust removal filter bag; 8. a bag cage;
91. a gas gathering fence; 92. a first shaking spring; 93. a connecting rod; 94. a vibrating plate; 95. a first blow hole;
901. a first gas collecting hopper; 902. a first air outlet pipe; 903. limiting the telescopic sleeve; 904. a vibratory hammer; 905. a fixing plate; 906. a second shaking spring; 907. a through hole;
9-1, a second polymerization gas hopper; 9-2, a second air outlet pipe; 9-3, vibrating the rubber ball; 9-4 and a second air blowing hole
10. A purification device; 1001. purifying the box body; 1002. an air inlet; 1003. an exhaust port; 1004. rotating the tube; 1005. a filter plate; 10051. a fixed frame; 10052. a sliding groove; 10053. a sliding plate; 1006. a cleaning tank; 1007. an inclined plate; 1008. a liquid inlet pipe; 1009. a liquid discharge pipe;
11. an exhaust pipe; 12. an exhaust fan.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows: as shown in fig. 1 to 4 and 7 to 9, the invention provides a long-bag pulse dust collector for treating waste gas of garbage, which comprises a dust collection box 1, an ash collection hopper 2 and a purification box 4; dust removal case 1 bottom is provided with collection ash bucket 2, dust removal case 1 top is provided with purifying box 4, 2 bottoms in collection ash bucket are provided with dust discharge port 3, still be provided with intake pipe 5 on the collection ash bucket 2, dust removal case 1 internally mounted has a plurality of dust bag 7, bag cage 8 has been inserted to dust bag 7 inside, bag cage 8 is used for propping up dust bag 7, make when filtering the dust in the rubbish waste gas, can avoid dust bag 7 shrink to influence the filter effect, the dust of dust bag 7 surface adhesion passes through pulse ash removal device and clears up, bag cage 8 bottom is provided with vibrating device, vibrating device utilizes the gaseous complementary force of pulse that pulse ash removal device produced to vibrate as the bottom of power drive dust bag 7, and then improve the effect of cleaing away of the dust to dust bag 7 bottom.
The vibrating device comprises an air gathering fence 91, a first shaking spring 92, a connecting rod 93, a vibrating plate 94 and a first air blowing hole 95;
the bottom of the bag cage 8 is provided with a gas gathering fence 91, the gas gathering fence 91 is used for gathering gas reaching the bottom of the dust-removing filter bag 7, the pulse gas is prevented from diffusing at the bottom of the dust-removing filter bag 7, the driving effect on the vibration assembly is influenced, the bottom end of the bag cage 8 is provided with a plurality of first shaking springs 92, the bottom ends of the first shaking springs 92 are connected with vibration plates 94 through connecting rods 93, the first shaking springs 92 are used for continuously converting elastic potential energy and kinetic energy after being driven by the pulse gas, so that the collision times of the vibration plates 94 and the bottom of the dust-removing filter bag 7 are more, the cleaning effect on dust at the bottom of the dust-removing filter bag 7 is improved, the vibration plates 94 are provided with a plurality of first gas blowing holes 95, the first gas blowing holes 95 are arranged, on the one hand, the pulse gas can also have a certain impact effect on the bottom of the dust-removing filter bag 7, and the dust-removing effect of waste gas entering the dust-removing filter bag 1 through the gas inlet pipe 5 are not influenced.
The pulse ash removal device comprises a high-pressure gas tank 601, an ash removal pipeline 602 and a pulse pipeline 603;
As a preferred technical scheme, a purification device 10 is arranged in the purification box 4, the purification device 10 is used for removing harmful gas in the garbage waste gas after dust removal, and the cleanness degree of the discharged gas is ensured, an exhaust pipe 11 is arranged on the purification device 10, the exhaust pipe 11 extends out of the purification box 4 and is connected with an exhaust fan 12 arranged outside the purification box 4, and the exhaust fan 12 is used for providing a negative pressure environment for the gas discharge in the purification box 4.
The purification device 10 comprises a purification box 1001, an air inlet 1002, an air outlet 1003, a rotary pipe 1004 and a filter plate 1005;
the filter plate 1005 includes a fixing frame 10051, a sliding groove 10052, and a sliding plate 10053;
fixed frame 10051 and rotation pipe 1004 are fixedly connected, fixed frame 10051 is last to have seted up sliding tray 10052, sliding plate 10052 slides under the effect of sliding tray 10052, sliding plate 10053 after the extension slides on inclined plate 1007, namely sliding plate 10053 slides back under the effect of sliding tray 10052, sliding plate 10053 is when passing through washing tank 1006, can contact with the washing liquid in washing tank 1006, sliding plate 10053 installs a plurality of ball with the embedding of one end that inclined plate 1007 contacted, the ball is for can reducing the frictional force of contact between sliding plate 10053 and the inclined plate 1007, make sliding plate 10053 more easily receive fixed frame 10051 under the effect of inclined plate 1007.
Example two: as shown in fig. 1 to 3, 5, and 7 to 9, the vibration device includes a first air collecting hopper 901, a first air outlet pipe 902, a limit telescopic sleeve 903, a vibration hammer 904, a fixing plate 905, and a second shaking spring 906;
8 bottom of bag cage is provided with first gas hopper 901 that gathers, first gas hopper 901 that gathers is used for gathering the pulse gas who reachs bag cage 8 bottom, increase the velocity of flow of pulse gas in bag cage bottom, first gas hopper 901 bottom of gathering is provided with first outlet duct 902, the spacing telescopic tube 903 of slidable has been cup jointed in the first outlet duct 902 outside, spacing telescopic tube 903 bottom is provided with vibratory hammer 904, vibratory hammer 904 is hollow structure, carry the gas of gathering to vibratory hammer 904 inside through spacing telescopic tube 903 through first outlet duct 902, drive vibratory hammer 904 downstream, strike the bottom of dust bag 7, improve the clearance effect to dust bag 7 bottom dust, first gas hopper 901 outside that gathers is provided with fixed plate 905, install a plurality of second shake spring 906 between fixed plate 905 and the vibratory hammer 904, through the setting of second shake spring 906, make filter bag hammer 904 when striking the bottom of dust bag 7, can strike repeatedly, improve the clearance effect to dust bag 7 bottom dust bag dust.
Be provided with a plurality of through-hole 907 on fixed plate 905, because the area of contact of bobbing 904 and dust removal filter bag 7 bottom is great, set up the through-hole, can avoid fixed plate 905 to seal the bottom of dust removal filter bag 7, the influence is to the treatment effect of dust in the rubbish waste gas.
The remaining features are the same as in the first embodiment.
Example three: as shown in fig. 1-3, 6, and 7-9, the vibration device comprises a second gas condensation hopper 9-1, a second gas outlet pipe 9-2, and a vibration rubber ball 9-3;
the bottom end of the bag cage 8 is provided with a second gas gathering hopper 9-1, the second gas gathering hopper 9-1 is used for gathering pulse gas reaching the bottom of the bag cage 8 and increasing the flow rate of the pulse gas at the bottom of the bag cage, the bottom of the second gas gathering hopper 9-1 is provided with a second gas outlet pipe 9-2, the bottom of the second gas outlet pipe 9-2 is provided with a vibrating rubber ball 9-3, the gas gathered by the second gas gathering hopper 9-1 is conveyed into the vibrating rubber ball 9-3 through the second gas outlet pipe 9-2 to enable the vibrating rubber ball 9-3 to expand, the expanded vibrating rubber ball 9-3 is in contact with the bottom of the dust removal filter bag 7 and continuously expands, and certain tension is given to the bottom of the dust removal filter bag 7, so that dust at the bottom of the dust removal filter bag 7 can be removed.
The vibrating rubber ball 9-3 is provided with a plurality of second air blowing holes 9-4, so that when the vibrating rubber ball 9-3 expands and contacts with the bottom of the dust-removing filter bag 7, a certain amount of air can be blown through the second air blowing holes 9-4 to impact the bottom of the dust-removing filter bag 7, and the clear effect on dust at the bottom of the dust-removing filter bag 7 is further improved.
The remaining features are the same as in the first embodiment.
The working principle of the invention is as follows: when the cleaning device is used, firstly, the exhaust fan 12 is started, waste generated during garbage incineration is led into the dust removal box 1 through the air inlet pipe 5, large-particle dust falls due to gravity before entering the dust removal box 1 and is gathered at the dust collection hopper 2, small-particle dust passes through the dust collection filter bag 7 along with exhaust gas, under the action of the dust collection filter bag 7, the dust is blocked outside the dust collection filter bag 7, gas passes through the dust collection filter bag 7 and enters the cleaning box 4, at the moment, under the action of the exhaust fan 12, the exhaust port 1003 of the cleaning device 10 drives the rotary pipe 1004 and the filter plate 1005 in the cleaning chamber to rotate due to negative pressure, the rotating filter plate 1005 is in contact with the exhaust gas entering the cleaning box 1001 through the air inlet 1002, at the moment, toxic and harmful gas in the exhaust gas is absorbed by the filter plate 1005, the exhaust gas absorbed by the exhaust fan 12, when the filter plate 1005 rotates to the upper side of the cleaning tank 1006, the filter plate 1005 is under the action of gravity, and is not limited by the diameter of the cleaning chamber, the sliding plate 53, the sliding groove 52, so that the sliding plate 53 extends, the whole cleaning device can be led into the cleaning tank 1006, when the sliding plate 1006 is extended and the cleaning tank 1006, the cleaning tank 1006 is easily drawn into the 10053, and the 10053, the cleaning tank 1006, the 10053, the 100cleaning tank 1006 is easily carried out, the 10053, the 10021, the 100cleaning tank 1006 is easily, the 10053, the 10021 is easily absorbed by the cleaning tank, the sliding plate 1006, the cleaning tank, the 1002, the 10021, the 1002, the 10021, at this time, the length of the filter plate 1005 is restored to the original shape, and the filter plate 1005 is repeatedly used, and each time the filter plate 1005 adsorbs and filters the toxic and harmful gas in the exhaust gas, the filter plate 1005 is a clean cleaning liquid, so that the adsorption and filtration effects on the toxic and harmful gas in the exhaust gas are better;
when more dust adheres to the outer side of the dust removal filter bag 7, the dust removal filter bag 7 needs to be cleaned, at the moment, the controller is used for controlling the pulse valve to be opened, so that high-pressure gas in the high-pressure gas tank 601 enters the dust removal filter bag 7 under the action of the ash removal pipeline 602 and the pulse pipeline 603, at the moment, the gas pressure in the dust removal filter bag 7 is instantly increased, and the dust on the outer side of the dust removal filter bag 7 is cleaned while the dust removal filter bag 7 expands;
at the moment, when the pulse gas reaches the bottom end of the dust removal filter bag 7, the gas quantity and the flow rate of the pulse gas are obviously reduced compared with other parts of the dust removal filter bag 7, and at the moment, the pulse gas can drive the vibration device at the bottom to enable the vibration device at the bottom of the bag cage 8 to vibrate and clean dust at the bottom of the dust removal filter bag 7, so that the dust at the bottom of the dust removal filter bag 7 can also be cleaned;
in the first embodiment, the pulse gas drives the vibration plate 94 to vibrate, the vibration plate 94 which vibrates collides with the bottom of the dust removal filter bag 7, and further cleans dust adhered to the bottom of the dust removal filter bag 7, and meanwhile, the first shaking spring 92 is continuously shaken, so that the first shaking spring 92 is continuously converted between elastic potential energy and kinetic energy, the number of times of collision between the vibration plate 94 and the dust removal filter bag 7 is increased, and the dust cleaning effect is improved;
in the second embodiment, the first gas gathering hopper 901 is used for gathering pulse gas, at this time, the gathered pulse gas enters the interior of the vibration hammer 904 through the first gas outlet pipe 902, so that the vibration hammer 904 vibrates and collides with the bottom of the dedusting filter bag 7, and the effect of vibration dedusting is achieved, meanwhile, under the action of the second shaking spring 906, continuous conversion between elastic potential energy and kinetic energy can be performed, the number of times of collision between the vibration hammer 904 and the dedusting filter bag 7 is increased, and the dust removal effect is improved;
in the third embodiment, the second gas gathering hopper 9-1 is used for gathering pulse gas, at the moment, the gathered pulse gas enters the interior of the vibrating rubber ball 9-3 through the second gas outlet pipe 9-2, so that the vibrating rubber ball 9-3 expands, the expanded vibrating rubber ball 9-3 is in contact with the bottom of the dust removal filter bag 7 and supports the bottom of the dust removal filter bag 7, at the moment, the bottom of the dust removal filter bag 7 is under the action of larger tension, dust is cleaned, and meanwhile, gas can be blown out of the dust removal filter bag 7 through the arranged second gas blowing holes 9-4, so that the cleaning effect on the dust at the bottom of the dust removal filter bag 7 is improved;
finally, the dust removed by the dust collector is collected at the dust collection hopper 2 and discharged through the dust discharge port 3.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (3)
1. A long-bag pulse dust collector for treating waste gas comprises a dust collection box (1), an ash collection hopper (2) and a purification box (4); dust removal case (1) bottom is provided with dust collecting hopper (2), dust removal case (1) top is provided with purifying box (4), dust collecting hopper (2) bottom is provided with ash discharging opening (3), still be provided with intake pipe (5), its characterized in that on dust collecting hopper (2): a plurality of dust removing filter bags (7) are installed inside the dust removing box (1), bag cages (8) are inserted into the dust removing filter bags (7), dust adhered to the surfaces of the dust removing filter bags (7) is cleaned through a pulse dust cleaning device, and vibrating devices are arranged at the bottoms of the bag cages (8);
the vibrating device comprises an air gathering fence (91), a first shaking spring (92), a connecting rod (93), a vibrating plate (94) and a first air blowing hole (95);
the bottom of the bag cage (8) is provided with an air gathering fence (91), the bottom end of the bag cage (8) is provided with a plurality of first shaking springs (92), the bottom end of each first shaking spring (92) is connected with a vibrating plate (94) through a connecting rod (93), and a plurality of first air blowing holes (95) are formed in the vibrating plate (94);
a purifying device (10) is arranged in the purifying box (4);
the purification device (10) comprises a purification box body (1001), an air inlet (1002), an air outlet (1003), a rotating pipe (1004) and a filter plate (1005);
the purification box body (1001) is positioned inside the purification box (4), a purification cavity with a circular longitudinal section is arranged inside the purification box body (1001), an air inlet (1002) is arranged in the tangential direction of the bottom of the purification cavity, an exhaust port (1003) is arranged in the tangential direction of the top of the purification cavity, the exhaust port (1003) is connected with an exhaust fan (12) through an exhaust pipe (11), the air inlet (1002) and the exhaust port (1003) face opposite directions, a rotating pipe (1004) is arranged inside the purification cavity, and a plurality of filter plates (1005) are installed on the outer side of the rotating pipe (1004);
a cleaning groove (1006) is formed in the position, corresponding to the air inlet (1002), of the bottom of the cleaning groove (1006), an inclined plate (1007) is arranged at the bottom of the cleaning groove (1006), the inclined plate (1007) inclines towards the direction of the air inlet (1002), an acute angle between the inclined plate (1007) and a horizontal plane is larger than 0 degrees and smaller than 30 degrees, a liquid inlet pipe (1008) is arranged on one side of the cleaning groove (1006), and a liquid outlet pipe (1009) is further arranged on the side wall of the cleaning groove (1006);
the filter plate (1005) includes a fixing frame (10051), a sliding groove (10052), and a sliding plate (10053);
the fixed frame (10051) is fixedly connected with the rotating pipe (1004), a sliding groove (10052) is formed in the fixed frame (10051), the sliding plate (10053) slides under the action of the sliding groove (10052), and a plurality of balls are embedded in one end, in contact with the inclined plate (1007), of the sliding plate (10053).
2. The long bag pulse dust collector for waste gas treatment according to claim 1, characterized in that: the pulse ash removal device comprises a high-pressure gas tank (601), an ash removal pipeline (602) and a pulse pipeline (603);
dust removal case (1) externally mounted has high-pressure gas jar (601), high-pressure gas jar (601) is inside to be full of high-pressure gas, dust removal case (1) is inside to be located dust removal filter bag (7) top and to install deashing pipeline (602), deashing pipeline (602) below is provided with pulse pipeline (603), the one end of pulse pipeline (603) stretches into inside dust removal filter bag (7), be provided with the pulse valve between deashing pipeline (602) and high-pressure gas jar (601), the pulse valve is connected with the controller, through the break-make of controller control pulse valve.
3. The long bag pulse dust collector for waste gas treatment according to any one of claims 1 to 2, characterized in that: the purification device (10) is provided with an exhaust pipe (11), and the exhaust pipe (11) extends out of the purification box (4) and is connected with an exhaust fan (12) arranged outside the purification box (4).
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114558692B (en) * | 2022-01-24 | 2024-03-29 | 海城华宇镁砂有限公司 | Electric dust collector for dead burned magnesia kiln |
| CN114939312B (en) * | 2022-05-12 | 2023-12-12 | 会东县成瑞稷安矿业有限公司 | High-temperature long-bag pulse bag type dust removal equipment and dust removal method thereof |
| CN114931814B (en) * | 2022-07-19 | 2022-11-08 | 徐州鑫业达环保科技有限公司 | Pulse cloth bag dust removal purifier for industrial gas purification |
| CN116272157B (en) * | 2023-05-25 | 2023-08-11 | 西安万珍农业科技有限公司 | Dust-containing waste gas treatment device of animal feed factory |
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Denomination of invention: A Long Bag Pulse Dust Collector for Waste Gas Treatment Effective date of registration: 20230522 Granted publication date: 20230314 Pledgee: Jiangsu Changshu Rural Commercial Bank Co.,Ltd. Yancheng branch Pledgor: JIANGSU JILENG DA ENVIRONMENTAL ENERGY TECHNOLOGY Co.,Ltd. Registration number: Y2023980041071 |