CN110652831A - Cyclone dust collector and dust collection method - Google Patents
Cyclone dust collector and dust collection method Download PDFInfo
- Publication number
- CN110652831A CN110652831A CN201911128322.3A CN201911128322A CN110652831A CN 110652831 A CN110652831 A CN 110652831A CN 201911128322 A CN201911128322 A CN 201911128322A CN 110652831 A CN110652831 A CN 110652831A
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- Prior art keywords
- cone
- dust
- diversion
- dust remover
- collector
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- 239000000428 dust Substances 0.000 title claims abstract description 136
- 238000000034 method Methods 0.000 title claims abstract description 8
- 239000004744 fabric Substances 0.000 claims description 16
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 4
- 238000001914 filtration Methods 0.000 claims description 4
- 239000003546 flue gas Substances 0.000 claims description 4
- 238000001179 sorption measurement Methods 0.000 claims description 3
- 238000004062 sedimentation Methods 0.000 claims 1
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000000903 blocking effect Effects 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 239000012716 precipitator Substances 0.000 description 3
- 239000002245 particle Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
Images
Classifications
-
- 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
-
- 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
- B01D45/04—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by utilising inertia
- B01D45/08—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by utilising inertia by impingement against baffle separators
-
- 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
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Cyclones (AREA)
Abstract
The invention relates to a cyclone dust collector and a dust collection method, and belongs to the technical field of environment-friendly dust collection equipment. The technical scheme is as follows: dust remover cone (5) lower part sets up in ash bin (1), sets up a reposition of redundant personnel cone (4) in dust remover cone (5) lower part, and the central point puts and sets up a baffle (3) in reposition of redundant personnel cone (4) lower part cone, all is equipped with certain space between reposition of redundant personnel cone (4) and dust remover cone (5) and between baffle (3) and reposition of redundant personnel cone (4), be equipped with air current channel (2) in baffle (3), the upper end and the reposition of redundant personnel cone (4) intercommunication of air current channel (2). The invention has the beneficial effects that: the dust concentration at the intersection of the inner spiral airflow and the outer spiral airflow is reduced, the dust entering the inner spiral airflow is correspondingly reduced, and the dust removal efficiency is improved.
Description
Technical Field
The invention relates to a cyclone dust collector and a dust collection method, and belongs to the technical field of environment-friendly dust collection equipment.
Background
The cyclone dust collector has been used in industrial production for centuries, and is widely applied to various processes due to the advantages of simple structure, no moving parts, low manufacturing and installation investment, simple operation and maintenance, low operation cost, stable performance, little influence of the concentration and temperature of dust-containing gas, medium pressure loss and low power consumption.
The cyclone dust collector has the defects that the dust removal efficiency is not high, dust below 10 mu m is difficult to remove, after dust-containing smoke enters the cyclone dust collector, downward outer spiral airflow is formed in the cyclone dust collector, and after the outer spiral airflow reaches the bottom of the cone, upward inner spiral airflow with the same rotation direction as the outer spiral airflow is formed at the center part; the intersection of the external spiral air flow and the internal spiral air flow at the bottom of the cone body contains high-concentration dust air flow which is in a turbulent flow state, so that a part of dust can enter the internal spiral air flow and is discharged out of the dust remover, and if the dust bin at the lower part of the dust remover is not tightly sealed, more dust can enter the internal spiral air flow, and the dust removal efficiency is lower.
Disclosure of Invention
The invention aims to provide a cyclone dust collector and a dust collection method, which reduce the dust concentration at the intersection of inner and outer spiral airflow, correspondingly reduce the dust entering the inner spiral airflow, improve the dust collection efficiency and solve the problems in the background art.
The technical scheme of the invention is as follows:
a cyclone dust collector comprises an ash bin, a flow guide channel, a flow guide body, a flow dividing cone, a dust collector cone, an air inlet pipe, a dust collector cylinder, an air outlet pipe and a cloth bag, wherein the dust collector cylinder and the dust collector cone are integrated to form a dust collector body, the dust collector body is provided with the air inlet pipe and the air outlet pipe, the lower part of the dust collector cone is arranged in the ash bin, the lower part of the dust collector cone is provided with the flow dividing cone, the central position in the lower part of the flow dividing cone is provided with the flow guide body, the top and the bottom of the flow dividing cone are both opened, the top opening is matched with the lower part of the dust collector cone, the center of the bottom opening is provided with the flow guide body, gaps are respectively arranged between the flow dividing cone and the dust collector cone and between the flow guide body and the flow dividing cone, a cloth bag is arranged below the flow guide body in the ash bin, and an ash baffle is arranged below the cloth bag.
The reposition of redundant personnel cone is located the inboard of dust remover cone, is equipped with certain space between the inner wall of the surface of reposition of redundant personnel cone and dust remover cone.
The reposition of redundant personnel cone cover is equipped with certain space in the outside of dust remover cone between the inner wall of reposition of redundant personnel cone and the dust remover cone surface.
The central lines of the flow dividing cone and the dust remover cone are coincident.
The flow guide body is of a cylindrical or conical structure, and the center line of the flow guide body is superposed with the center line of the flow dividing cone.
A cyclone dust collector dust removal method, adopt the above-mentioned cyclone dust collector, after the dusty flue gas enters the cyclone dust collector, under the influence of the outer spiral airstream, the dust in the flue gas is most concentrated on the conical sidewall of dust collector, most of this part high concentration dust airstream enters the dust storehouse through the space between cone of dust collector and the flow dividing cone and the space between flow dividing cone and deflector, after settling in the dust storehouse and cloth bag filtration, the clean airstream enters the inner spiral airstream directly under the inner spiral airstream negative pressure adsorption, has raised the dust collection efficiency; after the other part of the external spiral airflow is shunted and enters the ash bin, the external spiral airflow enters the internal spiral airflow from the flow guide body, the turbulent flow at the part is slowed down, thereby reducing the dust entering the internal spiral airflow, further improving the dust removal efficiency, and discharging the internal spiral airflow through the air outlet pipe.
The invention has the beneficial effects that: firstly, a part of external spiral high-concentration dust airflow is divided and enters an ash bin, so that the dust concentration at the intersection of the internal spiral airflow and the external spiral airflow is reduced, the dust entering the internal spiral airflow is correspondingly reduced, and the dust removal efficiency is improved; and secondly, a part of the external spiral high-concentration dust airflow is shunted and enters the dust bin, and almost no dust enters the internal spiral airflow after gravity settling, dust blocking by a dust blocking plate and cloth bag filtration, and meanwhile, the turbulent flow state at the intersection of the internal spiral airflow and the external spiral airflow is greatly relieved, the dust entering the internal spiral airflow is also reduced, and the dust removal efficiency is improved.
Drawings
FIG. 1 is a schematic view of an embodiment of the present invention with a bi-flow cone located outside of the precipitator cone;
FIG. 2 is a schematic view of a diverter cone positioned inside the precipitator cone according to an embodiment of the present invention;
in the figure: the dust collector comprises an ash bin 1, a flow guide channel 2, a flow guide body 3, a flow distribution cone 4, a dust collector cone 5, an air inlet pipe 6, a dust collector cylinder 7, an air outlet pipe 8, a cloth bag 9, an ash baffle 10, a spiral sealing conveyor 11, an external spiral air flow 12 and an internal spiral air flow 13.
Detailed Description
The invention is further illustrated by way of example in the following with reference to the accompanying drawings.
A cyclone dust collector comprises an ash bin 1, a flow guide channel 2, a flow guide body 3, a flow dividing cone 4, a dust collector cone 5, an air inlet pipe 6, a dust collector cylinder 7, an air outlet pipe 8, a cloth bag 9 and an ash baffle plate 10, wherein the dust collector cylinder 7 and the dust collector cone 5 are integrated into a whole to form a dust collector body, the dust collector body is provided with the air inlet pipe 6 and the air outlet pipe 8, the lower part of the dust collector cone 5 is arranged in the ash bin 1, the lower part of the dust collector cone 5 is provided with the flow dividing cone 4, the central position in the cone at the lower part of the flow dividing cone 4 is provided with the flow guide body 3, the top and the bottom of the flow dividing cone 4 are both open, the top opening is matched with the lower part of the dust collector cone 5, the center of the opening at the bottom is provided with the flow guide body 3, gaps, an air flow channel 2 which is longitudinally communicated is arranged in the flow guide body 3, the upper end of the air flow channel 2 is communicated with the flow dividing cone 4, a cloth bag 9 is arranged below the flow guide body 3 in the ash bin 1, and an ash baffle 10 is arranged below the cloth bag 9.
The air inlet of the air outlet pipe 8 is positioned below the air inlet pipe 6, and the air outlet of the air outlet pipe 8 is positioned above the air inlet pipe 6.
In the embodiment, referring to fig. 1 ~ 2, the upper structure of the cyclone cone 5 is the same as that of the conventional cyclone, except that a flow dividing cone 4 is added at the lower part of the cyclone cone 5, a flow guiding body 3 is added at the lower part of the flow dividing cone, and a cloth bag 9 and an ash baffle 10 are added at the lower part of the flow guiding body 3.
In the first embodiment, a flow dividing cone 4 is added to the lower inner side of the precipitator cone 5, as shown in fig. 2.
In the second embodiment, a flow dividing cone 4 is added on the lower outer side of the dust catcher cone 5, as shown in fig. 1.
A certain gap is arranged between the shunting cone 4 and the dust remover cone 5, and the shunting cone 4 has the function of shunting a large part of high-concentration dust gas which is close to the cylinder wall and flows outside spiral airflow to the gap between the shunting cone 4 and the dust remover cone 5 before the outside spiral airflow enters the bottom of the dust remover cone 5 and enters the ash bin 1 along the gap; a flow guide body 3 is arranged at the center of the lower cone of the flow dividing cone 4, and an airflow channel is arranged in the flow guide body 3; a certain gap is also formed between the shunting cone 4 and the flow guide body 3, the outer spiral airflow continuously rotates downwards after passing through the shunting cone, enters the shunting cone 4 and continuously rotates to separate dust, the part of dust airflow can enter the dust bin 1 along the gap, the flow speed of the dust airflow entering the dust bin 1 is greatly reduced, large-particle dust can be settled to the bottom of the dust bin 1, small-particle dust can fall into the dust bin 1 under the blocking of the dust baffle and the filtering of a cloth bag, and the filtered clean gas can enter the inner spiral airflow through the flow guide body 3 under the negative pressure adsorption of the inner spiral airflow, so that the dust removal efficiency is improved; because a part of the outer spiral airflow is divided and enters the inner spiral airflow through the flow guide body 3, the turbulent flow state at the junction of the inner spiral airflow and the outer spiral airflow in the cone is relieved, the carrying capacity of dust is reduced, and the dust removal efficiency is improved; an ash bin 1 is arranged on the outer side of the lower part of the cone 5 of the cyclone dust collector, and an ash baffle 10 and a cloth bag 9 are arranged in the ash bin 1.
Claims (6)
1. A cyclone dust collector is characterized in that: comprises an ash bin (1), a diversion channel (2), a diversion body (3), a diversion cone (4), a dust remover cone (5), an air inlet pipe (6), a dust remover cylinder (7), an air outlet pipe (8), a cloth bag (9) and an ash baffle plate (10), wherein the dust remover cylinder (7) and the dust remover cone (5) are integrated to form a dust remover body, the dust remover body is provided with the air inlet pipe (6) and the air outlet pipe (8), the lower part of the dust remover cone (5) is arranged in the ash bin (1), the lower part of the dust remover cone (5) is provided with the diversion cone (4), the diversion body (3) is arranged at the central position in the cone at the lower part of the diversion cone (4), the top and the bottom of the diversion cone (4) are both open, the top opening is matched with the lower part of the dust remover cone (5), the diversion body (3) is, gaps are arranged between the diversion cone and the dust collector cone and between the diversion body and the diversion cone, a longitudinally-through airflow channel (2) is arranged in the diversion body, the upper end of the airflow channel (2) is communicated with the diversion cone (4), a cloth bag (9) is arranged below the diversion body in the ash bin (1), and an ash baffle (10) is arranged below the cloth bag (9).
2. A cyclone collector as claimed in claim 1, wherein: the shunting cone (4) is positioned on the inner side of the dust remover cone (5), and a gap is formed between the outer surface of the shunting cone (4) and the inner wall of the dust remover cone (5).
3. A cyclone collector as claimed in claim 1, wherein: the shunting cone (4) is sleeved on the outer side of the dust remover cone (5), and a gap is formed between the inner wall of the shunting cone (4) and the outer surface of the dust remover cone (5).
4. A cyclone collector as claimed in claim 1, wherein: the central lines of the flow dividing cone (4) and the dust remover cone (5) are superposed.
5. A cyclone collector as claimed in claim 1, wherein: the flow guide body (3) is of a cylindrical or conical structure, and the center line of the flow guide body (3) is superposed with the center line of the flow dividing cone (4).
6. A method of removing dust from a cyclone dust collector using a cyclone dust collector as defined in claims 1 to 5, characterized in that: after dust-containing flue gas enters the cyclone dust collector, most of dust in the flue gas is concentrated on the side wall of the cone (5) of the dust collector under the action of the outer spiral airflow (13), most of the high-concentration dust airflow enters the ash bin (1) through the gap between the cone (5) of the dust collector and the shunting cone (4) and the gap between the shunting cone (4) and the flow guide body (3), and after sedimentation and filtration of a cloth bag (9) in the ash bin (1), clean airflow directly enters the inner spiral airflow under the negative pressure adsorption of the inner spiral airflow, so that the dust collection efficiency is improved; and after the other part of the external spiral airflow (13) is shunted and enters the ash bin (1), the external spiral airflow enters the internal spiral airflow from the inside of the flow guide body (3), so that the turbulence of the part is relieved, the dust entering the internal spiral airflow is reduced, the dust removal efficiency is further improved, and the internal spiral airflow is discharged through the air outlet pipe (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911128322.3A CN110652831A (en) | 2019-11-18 | 2019-11-18 | Cyclone dust collector and dust collection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911128322.3A CN110652831A (en) | 2019-11-18 | 2019-11-18 | Cyclone dust collector and dust collection method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110652831A true CN110652831A (en) | 2020-01-07 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911128322.3A Pending CN110652831A (en) | 2019-11-18 | 2019-11-18 | Cyclone dust collector and dust collection method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110652831A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111716556A (en) * | 2020-06-10 | 2020-09-29 | 陆军 | Building roof vertical drilling device for building construction |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2684913Y (en) * | 2004-02-03 | 2005-03-16 | 王绍恩 | Lead dust fume low-temperature dedusting device |
| GB2433452A (en) * | 2005-12-23 | 2007-06-27 | Suzhou Kingclean Floorcare Co | Cyclonic dust separating device for a vacuum cleaner |
| CN201880608U (en) * | 2010-10-29 | 2011-06-29 | 江苏世能化工设备有限公司 | Cyclone dust remover with vortex-blocker device |
| CN201959664U (en) * | 2010-12-14 | 2011-09-07 | 保定维尔铸造机械股份有限公司 | Bag type high-pressure pulse back-blowing dust remover |
| CN103212252A (en) * | 2013-05-02 | 2013-07-24 | 南京天华化学工程有限公司 | Vibrating and backflushing integrated bag type dust remover |
| CN205164988U (en) * | 2015-11-11 | 2016-04-20 | 江苏永春环境工程有限公司 | Cyclone of high dust removal efficiency |
| CN107715579A (en) * | 2017-11-25 | 2018-02-23 | 邹德学 | A kind of high-temperature flue gas cyclone dust collectors |
| WO2019062612A1 (en) * | 2017-09-26 | 2019-04-04 | 中冶南方工程技术有限公司 | Tangential multi-pipeline cyclone dust remover for primary dust removal of blast furnace gas |
| CN211159124U (en) * | 2019-11-18 | 2020-08-04 | 秦皇岛中青冶金阀门有限公司 | Cyclone dust collector |
-
2019
- 2019-11-18 CN CN201911128322.3A patent/CN110652831A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2684913Y (en) * | 2004-02-03 | 2005-03-16 | 王绍恩 | Lead dust fume low-temperature dedusting device |
| GB2433452A (en) * | 2005-12-23 | 2007-06-27 | Suzhou Kingclean Floorcare Co | Cyclonic dust separating device for a vacuum cleaner |
| CN201880608U (en) * | 2010-10-29 | 2011-06-29 | 江苏世能化工设备有限公司 | Cyclone dust remover with vortex-blocker device |
| CN201959664U (en) * | 2010-12-14 | 2011-09-07 | 保定维尔铸造机械股份有限公司 | Bag type high-pressure pulse back-blowing dust remover |
| CN103212252A (en) * | 2013-05-02 | 2013-07-24 | 南京天华化学工程有限公司 | Vibrating and backflushing integrated bag type dust remover |
| CN205164988U (en) * | 2015-11-11 | 2016-04-20 | 江苏永春环境工程有限公司 | Cyclone of high dust removal efficiency |
| WO2019062612A1 (en) * | 2017-09-26 | 2019-04-04 | 中冶南方工程技术有限公司 | Tangential multi-pipeline cyclone dust remover for primary dust removal of blast furnace gas |
| CN107715579A (en) * | 2017-11-25 | 2018-02-23 | 邹德学 | A kind of high-temperature flue gas cyclone dust collectors |
| CN211159124U (en) * | 2019-11-18 | 2020-08-04 | 秦皇岛中青冶金阀门有限公司 | Cyclone dust collector |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111716556A (en) * | 2020-06-10 | 2020-09-29 | 陆军 | Building roof vertical drilling device for building construction |
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| PB01 | Publication | ||
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Application publication date: 20200107 |