CN113877342B - Pulse type cloth bag dust collector - Google Patents
Pulse type cloth bag dust collector Download PDFInfo
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- CN113877342B CN113877342B CN202111131716.1A CN202111131716A CN113877342B CN 113877342 B CN113877342 B CN 113877342B CN 202111131716 A CN202111131716 A CN 202111131716A CN 113877342 B CN113877342 B CN 113877342B
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- cavity
- dust
- cloth bag
- filter cloth
- soap
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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
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
- B03C3/017—Combinations of electrostatic separation with other processes, not otherwise provided for
- B03C3/0175—Amassing particles by electric fields, e.g. agglomeration
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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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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention relates to the technical field of dust collectors, in particular to a pulse type cloth bag dust collector, which comprises a machine shell, wherein a cavity is arranged in the machine shell, an air inlet pipe for feeding air and an air outlet pipe for discharging air are fixedly arranged on one side wall of the machine shell, a fixing plate is fixedly connected to the interior of the cavity, a plurality of round openings are formed in the fixing plate at equal intervals, a filter cloth bag for filtering air is arranged in each round opening, a plurality of first spray nozzles are circumferentially arranged in the cavity at equal intervals, and a foam spraying mechanism matched with the filter cloth bags and used for spraying soap foam is arranged in the fixing plate. According to the invention, the first spray head sprays the soap bubbles to fully adsorb dust which cannot be filtered by the filter cloth bag, then the gas is pressed into the second spray head and sprayed out, and then the soap bubbles sprayed out by the first spray head are blown to be broken, so that the soap bubbles are changed into small liquid drops and fall down, and the dust removal efficiency is improved.
Description
Technical Field
The invention relates to the technical field of dust collectors, in particular to a pulse type cloth bag dust collector.
Background
The pulse bag type dust collector adopts a sub-chamber air-stopping pulse blowing ash cleaning technology, overcomes the defects of a conventional pulse dust collector and a sub-chamber back blowing dust collector, and has the advantages of strong ash cleaning capability, high dust cleaning efficiency, low emission concentration, small air leakage rate, low energy consumption, less steel consumption, small occupied area, stable and reliable operation and good economic benefit. The method is suitable for purifying dust-containing gas and recycling materials in metallurgical, building materials, cement, machinery, chemical industry, electric power and light industry industries.
The prior patent (publication number: CN 203196480U) is a pulse filter bag dust collector. The pulse filter bag dust collector comprises a box body, wherein an air inlet flange and an air outlet flange are arranged on the box body, the interior of the box body is divided into a plurality of air chambers, an air channel partition board is arranged in the box body, a dust removing filter bag is arranged in each air chamber through a filter bag flower plate, an upper box body is arranged on the upper part of the box body, a pulse ash removing device and an air storage tank are arranged on the upper box body, and an ash hopper is arranged below the box body; the lower part is equipped with the auger in the ash bucket, box one side is equipped with the cat ladder.
The invention installs the dust removing filter bag on the filter bag pattern plate, in order to promote the filtering capability to the dust removing gas, will install a plurality of dust removing filter bags on the filter bag pattern plate, and dust removing filter bags has certain life, need change the dust removing filter bag after reaching life-span, and because the upper end of dust removing filter bag is fixed in the upper portion of box, the lower extreme of dust removing filter bag extends to ash bucket department, and is more troublesome and complicated when not only dismantling the dust removing filter bag, has also reduced dust removing efficiency.
For this purpose, a pulse bag-type dust collector is proposed.
Disclosure of Invention
The invention aims to provide a pulse type cloth bag dust remover, which is characterized in that soap bubbles are sprayed out through a first spray nozzle, dust which cannot be filtered by a filter cloth bag is fully adsorbed, then gas is pressed into a second spray nozzle and sprayed out, then the soap bubbles sprayed out by the first spray nozzle are blown to be broken, so that the soap bubbles are changed into small liquid drops and fall down, the dust removing efficiency is improved, a plurality of electromagnetic valves are started through a controller, compressed gas is sprayed out, dust gathered outside the filter cloth bag is shaken off, dust deposition is discharged through a dust discharge port at the bottom of a machine shell, and dust which is dispersed in a cavity and not adsorbed by the soap bubbles is sucked through a metal plate, so that the dust removing efficiency is improved, and the problems in the background art are solved.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the utility model provides a pulsed sack cleaner, includes the casing, the inside of casing is equipped with the cavity, a side wall of casing still fixed mounting has the outlet duct that is used for sending into gaseous intake pipe and exhaust gas, the inside fixedly connected with fixed plate of cavity, a plurality of round mouths have been seted up to the inside equidistant of fixed plate, every the inside of round mouths is all installed and is used for filtering gaseous filtration sack, the inside circumference equidistant of cavity is equipped with a plurality of first shower nozzles, the inside of fixed plate is equipped with the bubble mechanism that spouts soap bubble with a plurality of filtration sack complex, equidistant fixed mounting in upper end of cavity has a plurality of solenoid valves that are used for spouting compressed gas, a plurality of bar chambeies have been seted up to the inside equidistant of fixed plate, the inside in bar chamber is equipped with the trigger mechanism that is used for controlling the solenoid valve to open and stops, the inside in bar chamber still is equipped with the bubble breaking mechanism that is used for the blowing out bubble, the bottom of cavity still is equipped with the dust collecting mechanism that is used for improving dust collection efficiency with trigger mechanism complex, the bottom of casing is equipped with the dust removal mechanism, the dust outlet that is used for the inside ash of ash is installed to the movable baffle.
Through first shower nozzle blowout soap bubble, fully adsorb the unable filterable dust of filtration sack, with gas indentation second shower nozzle and blowout again, then blow out first shower nozzle spun soap bubble, make soap bubble become the liquid droplet and fall, and then improve dust collection efficiency, and start a plurality of solenoid valves through the controller, make its blowout compressed gas, shake off the dust that filters the outside gathering of sack, the ash deposition is discharged through the ash discharge mouth of casing bottom, the rethread metal sheet will disperse in the cavity, and not be sucked by soap bubble absorptive dust, and then improved dust collection efficiency.
Preferably, the bubble spraying mechanism comprises a rectangular groove arranged on one side of the round opening, a first device cavity and a second device cavity are respectively formed in two sides of the rectangular groove, a threaded rod is commonly arranged in the rectangular groove, the first device cavity and the second device cavity, a nut is connected to the outer edge of the threaded rod in the internal thread of the rectangular groove, a gear is fixedly connected to the outer portion of the nut, a rack is fixedly arranged on the outer wall of the filtering cloth bag, the rack is meshed with the gear, the filtering cloth bag is further elastically connected with the upper surface of the fixing plate through a spring, a second sliding plug is fixedly connected to one end of the threaded rod in the internal of the second device cavity, a storage tank for storing soap foam liquid is fixedly arranged at the upper end of the machine shell, two first one-way valves are symmetrically arranged at one end of the second device cavity, one side of each first one-way valve only allows soap foam liquid to enter the second device cavity from the inside of the storage tank, and the other side of each first one-way valve only allows soap foam liquid to enter a plurality of first spray heads from the second device cavity.
The dust-containing gas is introduced into the cavity through the air inlet pipe, then dust in the gas is filtered through the plurality of filter cloth bags, after long-time filtration, the weight of the filter cloth bags can be slowly increased, and then the filter cloth bags can overcome the elasticity of the springs and move downwards, then the rack can press the gear and the nut to rotate, and then the threaded rod and the second sliding plug are driven by the nut to move along the second device cavity, then the soap bubble liquid in the second device cavity is pressed into the first spray head through the first one-way valve on one side and sprayed out of the soap bubbles, the soap bubbles adsorb and gather dust in the gas, and due to the fact that the surface area of the soap bubbles is larger, dust which cannot be filtered by the filter cloth bags can be fully adsorbed by the soap bubbles in a smaller amount, the dust removing effect is good, and the cost is reduced.
Preferably, the triggering mechanism comprises a sliding rod fixedly mounted at the bottom of the filtering cloth bag, the lower end of the sliding rod penetrates through the upper surface of the fixing plate and extends to the inside of the strip-shaped cavity, the lower end of the sliding rod is fixedly connected with a first sliding plug, the bottom of the first sliding plug is symmetrically and fixedly connected with two first contacts which are electrically connected with each other, the bottom of the strip-shaped cavity is symmetrically and fixedly mounted with two second contacts, a controller for controlling a plurality of electromagnetic valves is arranged outside the casing, and the two second contacts are electrically connected with an internal circuit of the controller.
After the filter cloth bag moves down completely, the two first contacts are contacted with the two second contacts respectively, then the circuit is conducted, the plurality of electromagnetic valves are started through the controller to spray compressed gas, dust collected outside the filter cloth bag is shaken off, and accumulated dust is discharged through the dust discharge port at the bottom of the machine shell.
Preferably, the bubble breaking mechanism comprises two second one-way valves symmetrically arranged below the strip-shaped cavity, each second spray head obliquely arranged is arranged right above each first spray head, one side of the second one-way valve only allows external gas to enter the strip-shaped cavity, and the other side of the second one-way valve only allows gas to enter the plurality of second spray heads from the strip-shaped cavity.
When the filter cloth bag moves downwards, the sliding rod can press the first sliding plug to move downwards along the strip-shaped cavity, then the sliding rod is matched with the second one-way valve, gas is pressed into the second spray head and sprayed out, and then soap bubbles sprayed out of the first spray head are blown to be broken, so that the soap bubbles are changed into small liquid drops and fall down, and the dust removal efficiency is improved.
Preferably, the dust collecting mechanism comprises a plurality of groups of metal plates fixedly mounted at the bottom of the cavity, the controller is further electrically connected with a power supply for supplying power to each group of metal plates, and each group of metal plates is electrically connected with the controller.
After a plurality of electromagnetic valves are started, a power supply can also supply power to a plurality of groups of metal plates, then an electric field is formed between each group of metal plates, so that a non-uniform electric field can be generated between each group of metal plates, dust particles are light and small objects which are polarized in the electric field, opposite charges appear at one end close to the charged objects, like charges appear at the far end, the light and small objects in the non-uniform electric field can be regarded as small electric dipoles under the action of the electric field, the small electric dipoles are oriented in the non-uniform electric field along the direction of the intensity of the electric field, the stress acts on the places where the electric field tends to change greatly, the electric dipoles are attracted by the charged objects, and dust which is dispersed in a cavity and is not absorbed by soap bubbles is attracted, and therefore dust removing efficiency is improved.
Preferably, the first contact is in an outwardly convex arc shape, and the second contact is in an inwardly concave arc shape.
The two mutually matched arc-shaped contacts can obviously improve the contact area, so that the conductivity of the first contact and the second contact is improved when the first contact and the second contact are contacted.
Compared with the prior art, the invention has the beneficial effects that:
1. the soap foam liquid in the cavity of the second device is pressed into the first spray head through the first one-way valve at one side and sprayed out of the soap foam, dust in the gas is adsorbed and gathered by the soap foam, and dust which cannot be filtered by the filter cloth bag can be fully adsorbed by a small amount of the soap foam due to the large surface area of the soap foam, so that the dust removing effect is good, and the cost is reduced.
2. When the filter cloth bag moves downwards, the gas is pressed into the second spray head and sprayed out, and then the soap bubbles sprayed out of the first spray head are blown out, so that the soap bubbles are changed into small liquid drops and fall down, and the dust removal efficiency is improved.
3. After the filter cloth bag is completely moved down, a plurality of electromagnetic valves can be started by the controller to spray compressed gas, dust gathered outside the filter cloth bag is shaken off, and accumulated dust is discharged through a dust discharge port at the bottom of the machine shell.
4. After a plurality of solenoid valves start, the power also can supply power to multiunit metal sheet, will form the electric field between every group metal sheet afterwards for can produce a inhomogeneous electric field between every group metal sheet, and then will disperse in the cavity, and not absorbed dust by the soap bubble, and then improved dust removal efficiency.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic view of the internal structure of the present invention;
FIG. 3 is a schematic view showing the internal structure of the fixing plate according to the present invention;
FIG. 4 is a schematic view of the bottom structure of the chamber of the present invention;
FIG. 5 is an enlarged view of the structure at A of the present invention;
fig. 6 is an enlarged view of the structure at B of the present invention.
In the figure: 1. a housing; 2. a cavity; 3. a fixing plate; 4. filtering the cloth bag; 5. a strip-shaped cavity; 6. a slide bar; 7. a spring; 8. a first slide plug; 9. a first contact; 10. a second contact; 11. an electromagnetic valve; 12. rectangular grooves; 13. a first device cavity; 14. a second device cavity; 15. a gear; 16. a nut; 17. a threaded rod; 18. a second slide plug; 19. a first one-way valve; 20. a first nozzle; 21. a second nozzle; 22. a second one-way valve; 23. a rack; 24. a metal plate; 25. an ash discharge port; 26. an air inlet pipe; 27. and an air outlet pipe.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more of the described features. In the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise. Furthermore, the terms "mounted," "connected," "coupled," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 1 to 6, the present invention provides a pulse bag-type dust collector, which has the following technical scheme:
the utility model provides a pulse type sack cleaner, including casing 1, casing 1's inside is equipped with cavity 2, casing 1's a side wall still fixed mounting has the intake pipe 26 that is used for sending into gas and the outlet duct 27 of exhaust gas, cavity 2's inside fixedly connected with fixed plate 3, a plurality of round mouths have been seted up to fixed plate 3's inside equidistant, filter cloth bag 4 that is used for filtering gas is all installed to every round mouths's inside, cavity 2's inside circumference equidistant a plurality of first shower nozzles 20 that are equipped with, fixed plate 3's inside is equipped with the bubble spraying mechanism that is used for blowout soap bubble with a plurality of filter cloth bag 4 complex, a plurality of solenoid valves 11 that are used for blowout compressed gas are equidistant fixed mounting in cavity 2's upper end, a plurality of bar chamber 5 have been seted up to fixed plate 3's inside equidistant, bar chamber 5's inside is equipped with the trigger mechanism that is used for controlling solenoid valve 11 to open and stop, cavity 5's inside still is equipped with the broken bubble mechanism that is used for blowing out with trigger mechanism complex, cavity 2's bottom still is equipped with the dust collection dirt collecting mechanism that is used for improving dust removal efficiency, casing 1's bottom is equipped with the dust discharging ash 25 that is equipped with the fly ash 25.
As an embodiment of the present invention, referring to fig. 2, 3 and 6, the foam spraying mechanism includes a rectangular groove 12 disposed at one side of the round opening, a first device cavity 13 and a second device cavity 14 are respectively opened at both sides of the rectangular groove 12, a threaded rod 17 is commonly installed inside the rectangular groove 12, the outer edge of the threaded rod 17 is connected with a nut 16 in the internal thread of the rectangular groove 12, a gear 15 is fixedly connected with the outer portion of the nut 16, a rack 23 is fixedly installed on the outer wall of the filter cloth bag 4, the rack 23 is meshed with the gear 15, the filter cloth bag 4 is also elastically connected with the upper surface of the fixed plate 3 through a spring 7, a second sliding plug 18 is fixedly connected with one end of the threaded rod 17 inside the second device cavity 14, a storage tank for storing soap foam is fixedly installed at the upper end of the casing 1, two first check valves 19 are symmetrically installed at one end of the second device cavity 14, one side of the first check valves 19 only allow soap foam to enter the second device cavity 14 from the inside of the storage tank, and the other side of the first check valves 19 only allow soap foam to enter the plurality of first spray heads 20 from the first soap cavities 14.
The dust-containing gas is introduced into the cavity 2 through the air inlet pipe 26, then dust in the gas is filtered through the plurality of filter cloth bags 4, after long-time filtration, the weight of the filter cloth bags 4 is slowly increased, the filter cloth bags 4 further move downwards against the elasticity of the springs 7, then the racks 23 can press the gears 15 and the nuts 16 to rotate, the threaded rods 17 and the second sliding plugs 18 are driven by the nuts 16 to move along the second device cavity 14, then the soap foam liquid in the second device cavity 14 is pressed into the first spray head 20 through the first one-way valve 19 on one side and sprays soap foam, the soap foam adsorbs and gathers dust in the gas, and due to the large surface area of the soap foam, a small amount of soap foam can fully adsorb dust which cannot be filtered by the filter cloth bags 4, the dust removing effect is good, and the cost is reduced.
As an embodiment of the present invention, referring to fig. 2 and 5, the triggering mechanism includes a slide bar 6 fixedly installed at the bottom of the filter cloth bag 4, the lower end of the slide bar 6 penetrates through the upper surface of the fixed plate 3 and extends to the inside of the bar-shaped cavity 5, the lower end of the slide bar 6 is fixedly connected with a first sliding plug 8, the bottom of the first sliding plug 8 is symmetrically and fixedly connected with two first contacts 9 electrically connected with each other, the bottom of the bar-shaped cavity 5 is symmetrically and fixedly installed with two second contacts 10, a controller for controlling a plurality of electromagnetic valves 11 is arranged outside the casing 1, and the two second contacts 10 are electrically connected with the internal circuit of the controller.
After the filter cloth bag 4 moves down completely, the two first contacts 9 are respectively contacted with the two second contacts 10, then a circuit is conducted, a plurality of electromagnetic valves 11 are started through a controller to spray compressed gas, dust collected outside the filter cloth bag 4 is shaken off, and accumulated dust is discharged through a dust discharge port 25 at the bottom of the machine shell 1.
As an embodiment of the present invention, referring to fig. 2 and 5, the bubble breaking mechanism includes two second check valves 22 symmetrically installed under the bar-shaped chamber 5, and each of the first shower heads 20 is installed with a second shower head 21 obliquely arranged right above, one side of the second check valve 22 allows only external air to enter the inside of the bar-shaped chamber 5, and the other side of the second check valve 22 allows only air to enter the plurality of second shower heads 21 from the bar-shaped chamber 5.
When the filter cloth bag 4 moves downwards, the sliding rod 6 can press the first sliding plug 8 to move downwards along the strip-shaped cavity 5, then the sliding rod is matched with the second one-way valve 22, gas is pressed into the second spray head 21 and sprayed out, and then soap bubbles sprayed out of the first spray head 20 are blown out, so that the soap bubbles are changed into small liquid drops and fall down, and the dust removal efficiency is improved.
As an embodiment of the present invention, referring to fig. 2 and 4, the dust collecting mechanism includes a plurality of groups of metal plates 24 fixedly installed at the bottom of the cavity 2, and the controller is further electrically connected to a power supply for supplying power to each group of metal plates 24, and each group of metal plates 24 is electrically connected to the controller.
After the electromagnetic valves 11 are started, the power supply also supplies power to the plurality of groups of metal plates 24, and then an electric field is formed between each group of metal plates 24, so that a non-uniform electric field can be generated between each group of metal plates 24, because dust particles are light and small objects which are polarized in the electric field, opposite charges appear at one end close to the charged objects, like charges appear at the far end, the light and small objects in the non-uniform electric field can be regarded as small electric dipoles under the action of the electric field, and the small electric dipoles are oriented along the direction of the electric field intensity in the non-uniform electric field, tend to be in a place with large electric field change due to the stress, are attracted by the charged objects, further disperse in the cavity 2, and are not attracted by soap bubbles, so that the dust removing efficiency is improved.
As an embodiment of the present invention, referring to fig. 5, the first contact 9 has an outwardly convex circular arc shape, and the second contact 10 has an inwardly concave circular arc shape.
The two mutually cooperating circular-arc contacts can significantly increase the contact area and thus the electrical conductivity of the first contact 9 and the second contact 10 when they are in contact.
Working principle: the dust-containing gas is introduced into the cavity 2 through the gas inlet pipe 26, then dust in the gas is filtered through the plurality of filter cloth bags 4, after long-time filtration, the weight of the filter cloth bags 4 is slowly increased, the filter cloth bags 4 move downwards against the elasticity of the springs 7, then the racks 23 press the gears 15 and the nuts 16 to rotate, the nuts 16 drive the threaded rods 17 and the second sliding plugs 18 to move along the second device cavity 14, then the soap foam liquid in the second device cavity 14 is pressed into the first spray head 20 through the first one-way valve 19 at one side and sprays soap foam, the soap foam adsorbs and gathers dust in the gas, and due to the large surface area of the soap foam, a small amount of soap foam can fully adsorb dust which cannot be filtered by the filter cloth bags 4, the dust removing effect is good, and the cost is reduced, the sliding rod 6 presses the first sliding plug 8 to move downwards along the strip-shaped cavity 5, then is matched with the second one-way valve 22, presses gas into the second spray head 21 and sprays the gas, then blows the soap bubbles sprayed by the first spray head 20 to be broken, so that the soap bubbles become small liquid drops and fall down, further the dust removal efficiency is improved, after the filter cloth bag 4 moves downwards completely, the two first contacts 9 are respectively contacted with the two second contacts 10, then a circuit is conducted, the plurality of electromagnetic valves 11 are started by a controller to spray compressed gas, dust gathered outside the filter cloth bag 4 is shaken off, the dust is discharged through the dust discharge port 25 at the bottom of the shell 1, after the plurality of electromagnetic valves 11 are started, the power supply supplies power to the plurality of groups of metal plates 24, then an electric field is formed between each group of metal plates 24, so that a non-uniform electric field can be generated between each group of metal plates 24, because dust particles are light and small objects, the light and small objects are polarized in the electric field, opposite charges appear at one end close to the charged object, like charges appear at the far end, the light and small objects in the nonuniform electric field can be regarded as a small electric dipole under the action of the electric field, the small electric dipoles are oriented along the direction of the electric field intensity in the nonuniform electric field, the stress acts on the small electric dipoles and tend to the places with large electric field change, and then the small electric dipoles are attracted by the charged object, so that dust which is dispersed in the cavity 2 and is not adsorbed by soap bubbles is attracted, and the dust removing efficiency is improved.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The utility model provides a pulse type sack cleaner, includes casing (1), its characterized in that: the dust collecting device comprises a shell (1), and is characterized in that a cavity (2) is arranged in the shell (1), a foam spraying mechanism matched with the filter bags (4) and used for spraying soap foam is further fixedly arranged on one side wall of the shell (1), a plurality of electromagnetic valves (11) used for spraying compressed gas are fixedly arranged at the upper end of the cavity (2), a plurality of strip-shaped cavities (5) are formed in the fixing plate (3) at equal intervals, a trigger mechanism used for controlling the opening of the electromagnetic valves (11) is arranged in the round openings, a plurality of first spray heads (20) are circumferentially arranged in the cavity (2) at equal intervals, a trigger mechanism matched with the trigger mechanism is further arranged in the cavity (5), a dust blowing-out mechanism matched with the dust blowing-out mechanism (25) of the shell is arranged at the bottom of the shell (1), and dust blowing-out efficiency of the dust blowing-out mechanism is improved, and the dust blowing-out mechanism is matched with the dust blowing-out mechanism (25;
the foam spraying mechanism comprises a rectangular groove (12) arranged on one side of a round opening, a first device cavity (13) and a second device cavity (14) are respectively formed in two sides of the rectangular groove (12), a threaded rod (17) is jointly arranged in the rectangular groove (12), the first device cavity (13) and the second device cavity (14), a nut (16) is fixedly connected to the outer edge of the threaded rod (17) in the inner thread of the rectangular groove (12), a gear (15) is fixedly connected to the outer edge of the nut (16), a rack (23) is fixedly arranged on the outer wall of the filter cloth bag (4), the rack (23) is meshed with the gear (15), the filter cloth bag (4) is also elastically connected with the upper surface of the fixed plate (3) through a spring (7), a second sliding plug (18) is fixedly connected to the inner part of the threaded rod (17) in the second device cavity (14), a storage tank for storing soap foam is fixedly arranged at the upper end of the threaded rod (17), two first side valves (19) are symmetrically arranged at one end of the second device cavity (14), one-way valves (19) are symmetrically arranged at one end of the second device cavity (14) and only allow soap foam to enter the first side of the first storage tank (14), the first check valve (19) on the other side only allows soap foam to enter the first spray heads (20) from the second device cavity (14);
the bubble breaking mechanism comprises two second one-way valves (22) symmetrically arranged below the strip-shaped cavity (5), each first spray head (20) is provided with a second spray head (21) obliquely arranged right above, one side of each second one-way valve (22) only allows external air to enter the strip-shaped cavity (5), and the other side of each second one-way valve (22) only allows air to enter the plurality of second spray heads (21) from the strip-shaped cavity (5).
2. A pulse bag-type dust collector as set forth in claim 1 wherein: the trigger mechanism comprises a sliding rod (6) fixedly mounted at the bottom of a filtering cloth bag (4), the lower end of the sliding rod (6) penetrates through the upper surface of a fixed plate (3) and extends to the inside of a strip-shaped cavity (5), the lower end of the sliding rod (6) is fixedly connected with a first sliding plug (8), the bottom of the first sliding plug (8) is symmetrically and fixedly connected with two first contacts (9) which are electrically connected with each other, two second contacts (10) are symmetrically and fixedly mounted at the bottom of the strip-shaped cavity (5), a controller for controlling a plurality of electromagnetic valves (11) is arranged outside the casing (1), and the two second contacts (10) are electrically connected with an internal circuit of the controller.
3. A pulse bag-type dust collector as set forth in claim 1 wherein: the dust collection mechanism comprises a plurality of groups of metal plates (24) fixedly arranged at the bottom of the cavity (2), the controller is further electrically connected with a power supply for supplying power to each group of metal plates (24), and each group of metal plates (24) is electrically connected with the controller.
4. A pulse bag-type dust collector as set forth in claim 2 wherein: the first contact (9) is in an outwards convex arc shape, and the second contact (10) is in an inwards concave arc shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111131716.1A CN113877342B (en) | 2021-09-26 | 2021-09-26 | Pulse type cloth bag dust collector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111131716.1A CN113877342B (en) | 2021-09-26 | 2021-09-26 | Pulse type cloth bag dust collector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113877342A CN113877342A (en) | 2022-01-04 |
| CN113877342B true CN113877342B (en) | 2023-07-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN202111131716.1A Active CN113877342B (en) | 2021-09-26 | 2021-09-26 | Pulse type cloth bag dust collector |
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| CN115318440B (en) * | 2022-10-13 | 2022-12-20 | 江苏仕邦柔性电子研究院有限公司 | Filtering equipment for process residual gas for atomic layer deposition equipment |
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| JPH0716413A (en) * | 1993-06-30 | 1995-01-20 | Osamu Asai | Dust collector having hollow filter |
| JP2005288278A (en) * | 2004-03-31 | 2005-10-20 | Takuma Co Ltd | Filtration type dust collection device |
| CN205516943U (en) * | 2016-01-29 | 2016-08-31 | 昆明滇福饲料有限公司 | Pulse bag dust collector ware for feed factory |
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| US7918908B2 (en) * | 2008-04-30 | 2011-04-05 | Venturedyne, Ltd. | Dust collector with equalized cleaning performance |
| CN106474862B (en) * | 2016-11-11 | 2018-08-21 | 江苏大学 | A kind of dedusting and purifying device |
| CN110302616B (en) * | 2019-08-15 | 2021-09-17 | 南京六合高新建设发展有限公司 | High-efficient bubble dust collecting equipment |
| CN212757663U (en) * | 2020-05-13 | 2021-03-23 | 江苏峰峰鸿运环保科技发展有限公司 | High-efficient pulsed sack dust collecting equipment |
| CN112090205A (en) * | 2020-08-25 | 2020-12-18 | 高连金 | Dust collector for construction |
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| GB1352765A (en) * | 1970-12-30 | 1974-05-08 | Berz W | Dust filter installation and method of filtering dust contained in crude gas |
| JPH0716413A (en) * | 1993-06-30 | 1995-01-20 | Osamu Asai | Dust collector having hollow filter |
| JP2005288278A (en) * | 2004-03-31 | 2005-10-20 | Takuma Co Ltd | Filtration type dust collection device |
| CN205516943U (en) * | 2016-01-29 | 2016-08-31 | 昆明滇福饲料有限公司 | Pulse bag dust collector ware for feed factory |
| CN110354591A (en) * | 2019-08-08 | 2019-10-22 | 刘术毅 | A kind of modified bag filter |
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