CN115006919A - Cyclone dust collector - Google Patents
Cyclone dust collector Download PDFInfo
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- CN115006919A CN115006919A CN202210558403.2A CN202210558403A CN115006919A CN 115006919 A CN115006919 A CN 115006919A CN 202210558403 A CN202210558403 A CN 202210558403A CN 115006919 A CN115006919 A CN 115006919A
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- shell
- dust
- sliding groove
- outlet pipe
- dust removal
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- 239000000428 dust Substances 0.000 title claims abstract description 278
- 239000000126 substance Substances 0.000 claims abstract description 7
- 230000001174 ascending effect Effects 0.000 claims abstract description 6
- 239000004744 fabric Substances 0.000 claims description 5
- 239000000835 fiber Substances 0.000 claims description 5
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 239000003034 coal gas Substances 0.000 abstract description 2
- 239000002245 particle Substances 0.000 description 29
- 238000000034 method Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 9
- 230000000694 effects Effects 0.000 description 8
- 238000001914 filtration Methods 0.000 description 8
- 230000009471 action Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 239000010419 fine particle Substances 0.000 description 3
- 238000011900 installation process Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000009628 steelmaking Methods 0.000 description 1
- 210000003781 tooth socket Anatomy 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D45/00—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces
- B01D45/12—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by centrifugal forces
- B01D45/16—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by centrifugal forces generated by the winding course of the gas stream, the centrifugal forces being generated solely or partly by mechanical means, e.g. fixed swirl vanes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
- B01D50/20—Combinations of devices covered by groups B01D45/00 and B01D46/00
-
- 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)
- Cyclones (AREA)
Abstract
The invention belongs to the technical field of coal gas chemical devices, and particularly relates to a cyclone dust collector which comprises a shell and an air inlet, wherein the air inlet is fixedly connected with the shell, and the cyclone dust collector is characterized in that: the dust removal device comprises a shell, and is characterized by further comprising a dust removal unit, wherein the dust removal unit is arranged in the shell and used for removing dust again from part of small-particle-size dust in the ascending gas after the dust removal of the shell, and the gas after the large-particle-size dust is removed through the shell is subjected to secondary dust removal through the dust removal unit, so that the content of part of small-particle-size dust in the exhaust gas is reduced, and the dust removal efficiency of the cyclone dust collector is improved.
Description
Technical Field
The invention belongs to the technical field of coal gas chemical devices, and particularly relates to a cyclone dust collector.
Background
In recent years, with the rapid development of economy, in order to meet the demand of productivity, the number of metallurgical steelmaking electric furnaces and industrial boilers taking raw coal as fuel is increased, and the atmospheric pollutants discharged by the furnaces cause great harm to the surrounding environment, which is opposite to the demand of people on good ecological environment, so that a dust remover is required to remove dust from dust-containing gas, further reduce particles discharged from the gas to the atmosphere, and improve the quality of the atmospheric environment;
the prior art mainly has dust removal modes such as mechanical dust removal, electric dust removal, filtering dust removal, washing dust removal and the like, wherein cyclone dust removal in the mechanical dust removal mainly utilizes the rotary motion of dust-containing airflow to separate dust particles from the airflow under the action of centrifugal force, and has the advantages of simple structure, compact equipment, low manufacturing cost, convenient maintenance and the like, so the application is wider;
the cyclone dust collector in the prior art has the defects that the removal efficiency is gradually reduced along with the reduction of the particle size; dust with a particle size lower than a certain particle size cannot be removed only by adopting the cyclone dust collector, and more equipment is needed to absorb the dust with a fine particle size, so that the dust removal quality and efficiency of a single cyclone dust collector are reduced;
in view of this, in order to overcome the technical problems, the invention designs a cyclone dust collector, which solves the technical problems.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the cyclone dust collector in the prior art has the defects that the removal efficiency is gradually reduced along with the reduction of the particle size; dust with a particle size lower than a certain particle size cannot be removed only by adopting a cyclone dust collector, and more equipment is needed for absorbing the dust with a fine particle size, so that the dust removal quality and efficiency of a single cyclone dust collector are reduced;
the invention provides a cyclone dust collector, which comprises a shell and an air inlet, wherein the air inlet is fixedly connected with the shell, and the cyclone dust collector is characterized in that: further comprising:
and the dust removal unit is arranged in the shell and is used for removing dust again on part of small-particle-size dust in the ascending gas after the shell is subjected to dust removal.
Preferably, the dust removing unit includes:
the inner shell is fixedly connected with the outer shell;
the air outlet pipe is fixedly connected with one end of the shell, which is close to the air inlet;
the first sliding chute is arranged on one side, far away from the outer shell, of the inner shell;
the second sliding chute is arranged on one side, away from the outer shell, of the inner shell, and the depth of the second sliding chute is lower than that of the first sliding chute;
the third sliding chute is arranged on one side, away from the outer shell, of the inner shell, and the depth of the third sliding chute is lower than that of the second sliding chute;
the annular sliding block is connected with the inner shell in a sliding mode through a first sliding groove, a second sliding groove and a third sliding groove respectively, and one side, far away from the air outlet pipe, of the annular sliding block is an inclined plane;
and one end of the dust removal shell is connected with one side, close to the air outlet pipe, of the annular sliding block, and the other end of the dust removal shell is hermetically connected with the outer shell.
Preferably, the dust collecting device further comprises a dust collecting unit including:
one end of the fixed rod is fixedly connected with the inner side of the inner shell;
the dust collection barrel is fixedly connected with one end of the fixed rod, which is far away from the inner shell, the inner diameter of the dust collection barrel is larger than that of the dust removal shell, and the outer diameter of the dust collection barrel is smaller than that of the inner shell;
and the opening of the filter barrel is connected with one end of the air outlet pipe close to the dust collection barrel.
Preferably, the dust removing unit further includes:
the groove is formed in one side, close to the dust removal shell, of the annular sliding block;
and the bulge is fixedly connected with one side of the dust removing shell, which is close to the annular sliding block.
Preferably, the dust removing unit further includes:
one end of the guide blade is fixedly connected with the inner side of the inner shell, and the other end of the guide blade is fixedly connected with the outer side of the dust collection barrel.
Preferably, both ends of the filter vat and the air outlet pipe are provided with annular magnets.
Preferably, an alumina filter is arranged in the air outlet pipe.
Preferably, the air inlet is tangential to the inner wall of the shell.
Preferably, the inner wall of the joint of the shell is provided with a round angle.
Preferably, the inner surface of the dust removing shell is bonded with chemical fiber cloth.
The invention has the following beneficial effects:
1. according to the cyclone dust collector provided by the invention, the dust in the low-speed rotating airflow is removed by arranging the dust collection shell, the first connecting body and the second connecting body, so that the dust in the gas flowing out of the gas outlet pipe is reduced, the dust collection effect of the cyclone dust collector is improved, and the dust collection efficiency of the cyclone dust collector is further improved.
2. According to the cyclone dust collector provided by the invention, the radius of the dust collection shell is adjusted by arranging the spiral rotating disc, the tooth socket sliding block and the positioning block so as to adapt to dust with different particle sizes, and the cyclone dust collector is beneficial to adapting to different environments, so that the application range of the cyclone dust collector is enlarged.
Drawings
The invention will be further explained with reference to the drawings.
FIG. 1 is a body diagram of the present invention;
FIG. 2 is an exploded view of the present invention;
FIG. 3 is a cross-sectional view of the inner shell of the present invention;
FIG. 4 is a cross-sectional view of the annular slider of the present invention;
FIG. 5 is an enlarged view at A in FIG. 4;
FIG. 6 is an enlarged view at B in FIG. 2;
in the figure: the dust collecting device comprises an outer shell 1, an air inlet 2, a dust collecting unit 3, an inner shell 31, an air outlet pipe 32, a first sliding groove 33, a second sliding groove 34, a third sliding groove 35, an annular sliding block 36, a groove 361, a dust collecting shell 37, a protrusion 371, a guide blade 38, a dust collecting unit 4, a fixing rod 41, a dust collecting barrel 42, a filter barrel 43 and an annular magnet 44.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention are clearly and completely described, and it is obvious that the described embodiments are a part of the embodiments of the present invention, but 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 cyclone dust collector in the prior art has the defects that the removal efficiency gradually becomes lower as the particle size becomes smaller; dust with a particle size lower than a certain particle size cannot be removed only by adopting the cyclone dust collector, and more equipment is needed to absorb the dust with a fine particle size, so that the dust removal quality and efficiency of a single cyclone dust collector are reduced;
in order to solve the above problems, the present embodiment adopts the following main concepts: when gas containing dust enters the shell 1 from the air inlet 2, the dust-containing gas spirally downwards forms rotary airflow along the inner wall of the shell 1, dust with large particle size in the rotary airflow is thrown to the inner wall of the shell 1 under the action of rotary centrifugal force, the dust with large particle size rotates and falls down along the inner wall of the cylindrical shell 1 and falls into the lower part of the shell 1, and when part of dust with small particle size upwards passes through the dust removal unit 3 along the rotary airflow along a low-speed airflow area in the center of the shell 1 from the lower part of the shell 1, the dust removal unit 3 removes dust again for the gas containing part of dust with small particle size due to the slow flowing speed of the dust-containing airflow;
therefore, for better understanding of the above technical solutions, the following detailed descriptions will be provided in conjunction with the drawings and the detailed description of the present specification:
the invention provides a cyclone dust collector, which comprises a shell 1 and an air inlet 2, wherein the air inlet 2 is fixedly connected with the shell 1, and the cyclone dust collector also comprises:
the dust removal unit 3 is arranged in the shell 1 and is used for removing dust again from part of small-particle-size dust in the ascending gas after the shell 1 is dedusted;
when gas containing dust enters the shell 1 from the air inlet 2, the dust-containing gas spirally downwards forms rotary airflow along the inner wall of the shell 1, dust with large particle size in the rotary airflow is thrown to the inner wall of the shell 1 under the action of rotary centrifugal force, the dust with large particle size rotates and falls down along the inner wall of the cylindrical shell 1 and falls into the lower part of the shell 1, and when part of dust with small particle size upwards passes through the dust removal unit 3 along the rotary airflow along a low-speed airflow area in the center of the shell 1 from the lower part of the shell 1, the dust removal unit 3 removes dust again for the gas containing part of dust with small particle size due to the slow flowing speed of the dust-containing airflow;
according to the invention, the dust removal unit 3 is arranged, so that the gas from which the dust with large particle size is removed by the shell 1 is subjected to secondary dust removal again, the content of part of dust with small particle size in the discharged gas is reduced, and the dust removal efficiency of the cyclone dust remover is improved.
As a specific embodiment of the present invention, the dust removing unit 3 includes:
the inner shell 31, the said inner shell 31 is affixed to outer casing 1;
the air outlet pipe 32 is fixedly connected with one end of the shell 1 close to the air inlet 2;
the first sliding groove 33 is arranged on one side, far away from the outer shell 1, of the inner shell 31;
the second sliding groove 34 is arranged on one side, away from the outer shell 1, of the inner shell 31, and the depth of the second sliding groove 34 in the vertical direction is lower than that of the first sliding groove 33;
the third sliding groove 35 is arranged on one side, away from the outer shell 1, of the inner shell 31, and the depth of the third sliding groove 35 in the vertical direction is lower than that of the second sliding groove 34;
the annular sliding block 36 is respectively connected with the inner shell 31 in a sliding manner through a first sliding groove 33, a second sliding groove 34 and a third sliding groove 35, and one side, far away from the air outlet pipe 32, of the annular sliding block 36 is an inclined surface;
one end of the dust removing shell 37 is connected with one side, close to the air outlet pipe 36, of the annular sliding block 36, and the other end of the dust removing shell 37 is hermetically connected with the shell 1;
in the prior art, in the selective use process of the cyclone dust collector, the type with smaller inner diameter can be used for treating dust airflow with smaller particle size and smaller flow, while the cyclone dust collector with larger inner diameter can treat dust airflow with larger flow; therefore, the cyclone dust collector is usually selected in the existing factory, but the working strength of the factory at different periods is different, which causes the flow of the generated dust airflow and the particle size of the dust in the dust airflow to be different, and at this time, the selection of the cyclone dust collector with a fixed inner diameter is difficult to deal with, and the whole cyclone dust collector is replaced, so that the cost is high;
the invention can adjust the inner diameter of the cyclone dust collector without replacing the cyclone dust collector, and the specific operation is as follows; when the annular sliding block 36 matched with the third sliding groove 35 is embedded and fixedly installed, the size of the installed dust removal shell 37 is matched with that of the annular sliding block 36, the inner diameter of the annular sliding block 36 matched with the third sliding groove 35 and the inner diameter of the corresponding dust removal shell 37 form a dust removal space, the diameter of the dust removal space is the largest at the moment, the dust removal space can adapt to dust airflow with larger flow, and the dust removal efficiency is reduced at the moment; when the flow of the dust airflow to be purified is reduced and the dust particles are smaller, the shell 1 is opened, and the annular sliding block 36 is detachably connected, so that the dust removing shell 37 positioned inside at the moment is detached, the annular sliding block 36 matched with the second sliding groove 34 is installed above the annular sliding block 36 still positioned in the third sliding groove 35, the annular sliding block 36 originally positioned in the third sliding groove 35 does not need to be detached, and the difficulty in detachment is reduced; the inner diameters of the annular sliding block 36 matched with the second sliding groove 34 and the corresponding dust removing shell 37 are smaller than the inner diameters of the annular sliding block 36 matched with the third sliding groove 35 and the corresponding dust removing shell 37, so that the diameter of an inner dust removing space is reduced, dust airflow with smaller flow and smaller dust particle size can be effectively dealt with, and the dust removing efficiency can be obviously improved; if the user still needs to reduce the inner diameter of the cyclone dust collector, the annular slide block 36 corresponding to the first sliding groove 33 and the corresponding dust collection shell 37 can be arranged on the annular slide block 36 matched with the second sliding groove 34 through the installation process, and the inner diameters of the annular slide block 36 corresponding to the first sliding groove 33 and the corresponding dust collection shell 37 are further reduced, so that the inner diameter of a dust collection space is further reduced; in summary, the user can replace and install different annular sliding blocks 36 and dust removing shells 37, so as to adjust the inner diameter of the cyclone dust collector, and further deal with dust airflows with different flow directions, and improve the practicability of the invention; meanwhile, the cyclone dust collector is simple in structure and easy to maintain, and the use cost of the cyclone dust collector is reduced.
As a specific embodiment of the present invention, the dust collecting device further includes a dust collecting unit 4, and the dust collecting unit 4 includes:
one end of the fixing rod 41 is fixedly connected with the inner side of the inner shell 31;
the dust collecting barrel 42 is fixedly connected with one end of the fixing rod 41 far away from the inner shell 31, the inner diameter of the dust collecting barrel 42 is larger than that of the dust removing shell 32, and the outer diameter of the dust collecting barrel 42 is smaller than that of the inner shell 31;
the opening of the filter barrel 43 is connected with one end of the air outlet pipe 32 close to the dust collecting barrel 42;
after the dust-containing gas is removed through the dust removing shell 32, the fixing rod 41 fixedly connected with the inner shell 31 in the dust collecting unit 4 provides support for the dust collecting barrel 42, meanwhile, the filtering barrel 43 connected with one end, close to the dust collecting barrel 42, of the air outlet pipe 32 filters the gas exhausted through the air outlet pipe 32, so that the dust is blocked on the outer wall of the filtering barrel 43, the filtered air enters the filtering barrel 43 and is exhausted through the air outlet pipe 32 to form the cyclone dust collector, the dust in the exhausted gas is further reduced, and the dust removing effect of the cyclone dust collector is further reduced.
As a specific embodiment of the present invention, the dust removing unit 3 further includes:
the groove 361 is arranged on one side of the annular sliding block 36 close to the dust removing shell 37;
the protrusion 371 is fixedly connected with one side of the dust removing shell 37 close to the annular sliding block 36;
in the installation process, the protrusion 371 fixedly connected with the side of the dust removing shell 37 close to the annular sliding block 36 is installed in the groove 351 formed in the side of the annular sliding block 36 close to the dust removing shell 36, so that the relative stability of the position between the dust removing shell 37 and the annular sliding block 36 is favorably kept, the displacement is reduced, and the dust removing effect is improved.
As a specific embodiment of the present invention, the dust removing unit 3 further includes:
one end of the guide blade 38 is fixedly connected with the inner side of the inner shell 31, and the other end of the guide blade 38 is fixedly connected with the outer side of the dust collection barrel 42;
the guide vane 38, one end of which is fixedly connected with the inner side of the inner shell 31 and the other end of which is fixedly connected with the outer side of the dust collection barrel 42, guides the rotating airflow containing part of small-particle-size dust in the process of flowing upwards from the lower part of the outer shell 1 along the central low-speed airflow zone of the outer shell 1, thereby being beneficial to forming stable ascending rotating airflow, facilitating the dust collection shell 32 to remove part of small-particle-size dust in the rotating airflow and further improving the dust collection effect of the cyclone dust collector.
As a specific embodiment of the present invention, two ends of the filtering barrel 43 and the air outlet pipe 32 are provided with annular magnets 44;
the two ends of the filter barrel 43 are connected with the air outlet pipe 32 by the annular magnet 44, so that the cleaning and replacement of the filter barrel 43 are reduced, and the use convenience of the cyclone dust collector is improved.
As a specific embodiment of the present invention, an alumina filter is disposed in the outlet pipe 32;
in the process that the dedusted gas is discharged through the gas outlet pipe 32, the aluminum oxide filter further filters the flowing gas, so that the content of dust in the gas is reduced, and the dedusting effect of the cyclone dust collector is further improved.
As a specific embodiment of the present invention, the air inlet 2 is tangential to the inner wall of the housing 1;
the air inlet 2 is tangent to the inner wall of the shell 1, so that the dust-containing gas can flow along the inner wall of the shell 1 to form rotary air flow after entering the shell 1, rotary centrifugal force is generated to throw the dust with large particle size onto the inner wall of the shell 1, and the actual using effect of the cyclone dust collector is improved.
As a specific embodiment of the present invention, the inner wall of the joint of the housing 1 is provided with a fillet;
the inner wall of the joint of the shell 1 of the cyclone dust collector is provided with the round angle, so that the shell 1 is favorable for reducing dust remained at the joint of the vertical part and the conical part of the shell 1 in the process of removing large-particle-size dust, and the actual using effect of the cyclone dust collector is further improved.
As a specific embodiment of the present invention, chemical fiber cloth is adhered to the inner surface of the dust removing shell 37;
chemical fiber cloth is bonded on the inner surface of the dust removing shell 37, and in the process of removing small-particle-size dust, air and the chemical fiber cloth are rubbed to generate static electricity, so that the small-particle-size dust is further absorbed, and the dust removing effect of the cyclone dust collector is further improved.
The specific working process is as follows:
the invention can adjust the inner diameter of the cyclone dust collector without replacing the cyclone dust collector, and the specific operation is as follows; when the annular slide block 36 matched with the third sliding groove 35 is embedded and fixedly installed, the size of the installed dust removal shell 37 is matched with that of the annular slide block 36, the inner diameter of the annular slide block 36 matched with the third sliding groove 35 and the inner diameter of the corresponding dust removal shell 37 form a dust removal space, the diameter of the dust removal space is the largest at this moment, the dust removal space can adapt to dust airflow with larger flow, and the dust removal efficiency is reduced at this moment; when the flow of the dust airflow to be purified is reduced and the dust particles are smaller, by opening the shell 1, the dust removing shell 37 positioned inside at the moment is detached because the annular slide block 36 is detachably connected, and the annular slide block 36 matched with the second sliding groove 34 is installed above the annular slide block 36 still positioned in the third sliding groove 35 without detaching the annular slide block 36 originally positioned in the third sliding groove 35, so that the difficulty in detachment is reduced; the inner diameters of the annular sliding block 36 matched with the second sliding groove 34 and the corresponding dust removing shell 37 are smaller than the inner diameters of the annular sliding block 36 matched with the third sliding groove 35 and the corresponding dust removing shell 37, so that the diameter of an inner dust removing space is reduced, dust airflow with smaller flow and smaller dust particle size can be effectively dealt with, and the dust removing efficiency can be obviously improved; if the user still needs to reduce the inner diameter of the cyclone dust collector, the annular slide block 36 corresponding to the first sliding groove 33 and the corresponding dust collection shell 37 can be arranged on the annular slide block 36 matched with the second sliding groove 34 through the installation process, and the inner diameters of the annular slide block 36 corresponding to the first sliding groove 33 and the corresponding dust collection shell 37 are further reduced, so that the inner diameter of a dust collection space is further reduced; in summary, the user can replace and install different annular sliding blocks 36 and dust removing shells 37, so as to adjust the inner diameter of the cyclone dust collector, and further deal with dust airflows with different flow directions, and improve the practicability of the invention; meanwhile, the structure is simple, the maintenance is easy, and the use cost of the cyclone dust collector is reduced;
when gas containing dust enters the outer shell 1 from the air inlet 2, the dust-containing gas forms a rotating airflow along the inner wall of the outer shell 1 in a spiral downward manner, large-particle-size dust in the rotating airflow is thrown to the inner wall of the outer shell 1 under the action of rotating centrifugal force, the large-particle-size dust rotates and falls down along the inner wall of the cylindrical outer shell 1 and falls into the lower part of the outer shell 1, and when part of small-particle-size dust upwards passes through the dust removal unit 3 along a central low-speed airflow region of the outer shell 1 from the lower part of the outer shell 1 along with the rotating airflow, one end of the small-particle-size dust is fixedly connected with the inner side of the inner shell 31, and the guide blade 36 fixedly connected with the outer side of the dust collection barrel 42 guides the rotating airflow containing part of small-particle-size dust in the process that the lower part of the outer shell 1 upwards flows along the central low-speed airflow region of the outer shell 1, so as to form a stable ascending rotating airflow;
the rotating airflow containing part of small-particle-size dust in the upward flowing process along the central low-speed airflow area of the outer shell 1 from the lower part of the outer shell 1 is guided to form more stable upward rotating airflow, the dust-containing rotating airflow firstly flows upward along the first connecting body 34 to enter the dust removing shell 32 in the process of flowing to the air outlet pipe 32 through the inner shell 3, the small-particle-size dust rotates and descends along the inner wall of the dust removing shell 32 after rotating and centrifuging, and the airflow subjected to secondary dust removal is guided to the air outlet pipe 32 through the second connecting body 35 to be discharged;
after the dust-containing gas is removed by the dust removing shell 32, the fixing rod 41 fixedly connected with the inner shell 31 in the dust collecting unit 4 provides support for the dust collecting barrel 42, meanwhile, the filtering barrel 43 connected with one end of the air outlet pipe 32 close to the dust collecting barrel 42 filters the gas exhausted by the air outlet pipe 32, so that the dust is blocked on the outer wall of the filtering barrel 43, the filtered air enters the inside of the filtering barrel 43 and is filtered again by the alumina filter in the air outlet pipe 32, and finally, relatively clean air is exhausted out of the cyclone dust collector along the air outlet pipe 32.
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 (10)
1. The utility model provides a cyclone dust collector, includes shell (1), air intake (2) and shell (1) rigid coupling, its characterized in that: further comprising:
the dust removal unit (3) is arranged in the shell (1) and is used for removing dust again on part of small-particle-size dust in the ascending gas after the shell (1) is subjected to dust removal.
2. A cyclone collector as claimed in claim 1, wherein: the dust removal unit (3) includes:
the inner shell (31), the said inner shell (31) is affixed to outer casing (1);
the air outlet pipe (32), the air outlet pipe (32) is fixedly connected with one end of the shell (1) close to the air inlet (2);
the first sliding groove (33) is formed in one side, far away from the outer shell (1), of the inner shell (31);
the second sliding groove (34) is formed in one side, away from the outer shell (1), of the inner shell (31), and the depth of the second sliding groove (34) is lower than that of the first sliding groove (33);
the third sliding groove (35) is formed in one side, away from the outer shell (1), of the inner shell (31), and the depth of the third sliding groove (35) is lower than that of the second sliding groove (34);
the annular sliding block (36) is connected with the inner shell (31) in a sliding mode through a first sliding groove (33), a second sliding groove (34) and a third sliding groove (35) respectively, and one side, far away from the air outlet pipe (32), of the annular sliding block (36) is an inclined plane;
and one end of the dust removing shell (37) is connected with one side, close to the air outlet pipe (36), of the annular sliding block (35), and the other end of the dust removing shell (37) is hermetically connected with the shell 1.
3. A cyclone collector as claimed in claim 1, wherein: also comprises a dust collecting unit (4);
the dust collection unit (4) comprises:
one end of the fixing rod (41) is fixedly connected with the inner side of the inner shell (31);
the dust collection barrel (42), the dust collection barrel (42) is fixedly connected with one end of the fixing rod (41) far away from the inner shell (31), the inner diameter of the dust collection barrel (42) is larger than that of the dust removal shell (32), and the outer diameter of the dust collection barrel is smaller than that of the inner shell (31);
the opening of the filter barrel (43) is connected with one end of the air outlet pipe (32) close to the dust collecting barrel (42).
4. A cyclone collector as claimed in claim 2, wherein: the dust removal unit (3) further comprises:
the groove (361) is formed in one side, close to the dust removal shell (37), of the annular sliding block (36);
and the protrusion (371) is fixedly connected with one side of the dust removing shell (37) close to the annular sliding block (36).
5. A cyclone collector as claimed in claim 1, wherein: the dust removal unit (3) further comprises:
one end of the guide vane (38) is fixedly connected with the inner side of the inner shell (31), and the other end of the guide vane (38) is fixedly connected with the outer side of the dust collection barrel (42).
6. A cyclone collector as claimed in claim 2, wherein: and annular magnets (44) are arranged at both ends of the filter barrel (43) and on the air outlet pipe (32).
7. A cyclone collector as claimed in claim 2, wherein: an alumina filter is arranged in the air outlet pipe (32).
8. A cyclone collector as claimed in claim 1, wherein: the air inlet (2) is tangent to the inner wall of the shell (1).
9. A cyclone collector as claimed in claim 1, wherein: the inner wall of the joint of the shell (1) is provided with a fillet.
10. A cyclone collector as claimed in claim 2, wherein: chemical fiber cloth is adhered to the inner surface of the dust removing shell (37).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210558403.2A CN115006919B (en) | 2022-05-21 | Cyclone dust collector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210558403.2A CN115006919B (en) | 2022-05-21 | Cyclone dust collector |
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| Publication Number | Publication Date |
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| CN115006919A true CN115006919A (en) | 2022-09-06 |
| CN115006919B CN115006919B (en) | 2024-06-28 |
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