CN110652829A - Cyclone combined dust remover and dust removing method - Google Patents
Cyclone combined dust remover and dust removing method Download PDFInfo
- Publication number
- CN110652829A CN110652829A CN201911127382.3A CN201911127382A CN110652829A CN 110652829 A CN110652829 A CN 110652829A CN 201911127382 A CN201911127382 A CN 201911127382A CN 110652829 A CN110652829 A CN 110652829A
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- China
- Prior art keywords
- cone
- dust
- dust remover
- reposition
- baffle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- 239000000428 dust Substances 0.000 title claims abstract description 142
- 238000000034 method Methods 0.000 title claims abstract description 8
- 239000004744 fabric Substances 0.000 claims description 15
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 5
- 239000003546 flue gas Substances 0.000 claims description 5
- 230000000694 effects Effects 0.000 claims description 3
- 230000005484 gravity Effects 0.000 claims description 2
- 239000002245 particle Substances 0.000 claims description 2
- 239000002131 composite material Substances 0.000 claims 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 5
- 230000000903 blocking effect Effects 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000008187 granular material Substances 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
- 239000000203 mixture Substances 0.000 description 1
- 239000012716 precipitator Substances 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
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
- B01D45/12—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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Cyclones (AREA)
Abstract
The invention relates to a cyclone combined dust remover and a dust removing method, belonging to the technical field of environment-friendly dust removing equipment. The technical scheme is as follows: dust remover cone (4) lower part is located ash bin (1), and dust remover cone (4) lower part is equipped with reposition of redundant personnel cone (3), and the central point puts and is equipped with baffle (2) in reposition of redundant personnel cone (3) lower part cone, all is equipped with certain space between baffle (2) and the reposition of redundant personnel cone (3) and between baffle (2) and the reposition of redundant personnel cone (3), be equipped with airflow channel in baffle (2), external sack (10) are located the outside in ash bin (1). The invention has the beneficial effects that: the dust entering the internal spiral airflow is reduced, and the dust removal efficiency is improved.
Description
Technical Field
The invention relates to a cyclone combined dust remover and a dust removing method, belonging to the technical field of environment-friendly dust removing 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 combined dust collector and a dust collection method, which can improve the dust collection efficiency and solve the problems in the background technology.
The technical scheme of the invention is as follows:
a cyclone combined dust collector comprises an ash bin, a flow guide body, a flow dividing cone, a dust collector cone, an air inlet pipe, a dust collector cylinder, an air outlet pipe, an external cloth bag and an ash baffle plate, 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 provided with the flow dividing cone, the flow guide body is arranged at the central position in the lower cone of the flow dividing cone, the top and the bottom of the flow dividing cone are both open, the top opening is matched with the lower part of the dust collector cone, the flow guide body is arranged at the center of the bottom opening, 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 longitudinally through air flow passage is arranged in the, an ash baffle is arranged below the flow guide body; an external cloth bag is arranged outside the ash bin and is communicated with the ash bin through a pipeline.
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.
The ash blocking plate is fixed on the wall of the ash bin.
A cyclone combined dust collector dedusting method adopts the cyclone combined dust collector, after dust-containing flue gas enters a dust collector body, most of dust in the flue gas is concentrated on the side wall of a conical body of the dust collector under the action of external spiral airflow, most of high-concentration dust airflow enters an ash bin through gaps between the conical body of the dust collector and a shunting cone and between the shunting cone and a flow guide body, after large-particle dust is separated from the airflow in the ash bin through gravity and a dust baffle, one part of the airflow is guided to an external cloth bag to be filtered and then is discharged into a main pipeline, and the other part of the airflow enters internal spiral airflow.
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 junction of the internal conical body of the built-in dust remover and the external spiral airflow is reduced, the dust entering the internal spiral airflow is correspondingly reduced, and the dust removal efficiency is improved; secondly, a part of external spiral high-concentration dust airflow is shunted and enters the ash bin, so that the turbulent state at the junction of the internal spiral airflow and the external spiral airflow is greatly relieved, the dust entering the internal spiral airflow is reduced, and the dust removal efficiency is improved; and thirdly, an external cloth bag filter is added, almost no dust enters a main pipeline, and the dust removal efficiency is greatly increased.
Drawings
FIG. 1 is a schematic structural view of the present invention;
in the figure: 1. an ash bin; 2. a flow conductor; 3. a flow splitting cone; 4. a dust catcher cone; 5. an air inlet pipe; 6. a precipitator cylinder; 7. an air outlet pipe; 8. a screw seal conveyor; 9. a dust blocking plate; 10. a cloth bag is arranged outside; 11. a main pipeline; 12. an adjusting valve of a bag-type dust collector is arranged outside; 13. an outer helical air flow; 14. the inner spiral air flow.
Detailed Description
The invention is further illustrated by way of example in the following with reference to the accompanying drawings.
Referring to the attached figure 1, the cyclone combined dust collector comprises an ash bin 1, a flow guide body 2, a flow dividing cone 3, a dust collector cone 4, an air inlet pipe 5, a dust collector cylinder 6, an air outlet pipe 7, an external cloth bag 10 and an ash baffle 9, wherein the dust collector cylinder 6 and the dust collector cone 4 are integrated into a whole to form a dust collector body, the dust collector body is provided with the air inlet pipe 5 and the air outlet pipe 7, the lower part of the dust collector cone 4 is positioned in the ash bin 1, the flow dividing cone 3 is arranged at the lower part of the dust collector cone 4, the flow guide body 2 is arranged at the central position in the lower cone of the flow dividing cone 3, the top and the bottom of the flow dividing cone 3 are both open, the top opening is matched with the lower part of the dust collector cone 4, the flow guide body 2 is arranged at the center of the bottom opening, gaps, an airflow channel which is longitudinally communicated is arranged in the flow guide body 2, the upper end of the airflow channel is communicated with the flow dividing cone 3, the lower end of the airflow channel is communicated with the ash bin 1, and an ash baffle plate 9 is arranged below the flow guide body 2; an external cloth bag 10 is arranged outside the ash bin 1, and the external cloth bag 10 is communicated with the ash bin 1 through a pipeline.
The air inlet of the air outlet pipe 7 is positioned below the air inlet pipe 5, and the air outlet of the air outlet pipe 7 is positioned above the air inlet pipe 5.
In this embodiment, traditional cyclone, the flue gas is the certain angle of slope, tangent direction gets into dust remover cylinder 6 and dust remover cone 4, form a downward outer spiral air current in cyclone, the cylinder diameter is less the spiral air current speed is faster, the dust granule separation effect is just also better, the dust that closes to the section of thick bamboo wall is just also more, after getting into dust remover cone 4 lower part, form an ascending interior spiral air current in center department, outer spiral air current and interior spiral air current mix at this position and intersect, local air current is the irregular state, interior spiral air current smugglies a part dust spiral with and rises to the export, discharge from the outlet duct.
The cyclone combined dust collector reduces the dust concentration at the bottom of the cone 4 of the dust collector and slows down the irregular state of the air flow at the lower part of the cone 4 of the dust collector through the structural improvement, thereby reducing the dust amount taken away by the air flow of the inner spiral and improving the dust collecting effect.
The upper-middle structural form of a dust remover cone 4 in the cyclone combined dust remover is consistent with that of a traditional cyclone dust remover, but the difference is that a shunting cone 3, a flow guide body 2 and a dust baffle plate 9 below the flow guide body are additionally arranged on the inner side of the lower part of the dust remover cone 4, as shown in the attached drawing 1, the shunting cone 3 can also be additionally arranged on the outer side of the lower part of the dust remover cone 4, namely the shunting cone 3 is sleeved on the dust remover cone 4, a certain gap is arranged between the shunting cone 3 and the dust remover cone 4 in the two modes, the shunting cone 3 has the function of shunting high-concentration dust gas of an outer spiral gas flow close to the cylinder wall before the outer spiral gas flow enters the bottom of the cone, the high-concentration dust gas is shunted to the gap between the shunting cone 3 and the dust remover cone 4, and the high; the inner side of the center of the cone at the lower part of the diversion cone 3 (or the dust remover cone 4) is provided with a flow guide body 2, a certain gap is also arranged between the flow guide body 2 and the diversion cone 3 (or the dust remover cone 4), the outer spiral air flow continuously rotates downwards after passing through the diversion flow guide body and enters the diversion cone 3 (or the dust remover cone 4) to continuously rotate and separate dust, the part of dust air flow can enter the dust bin 1 along the gap, the two high-concentration dust air flows enter the dust bin 1 and then are filtered by a sedimentation and dust baffle plate 9, one part of the high-concentration dust air flow is guided to an external cloth bag 10 to be filtered and then discharged into a main pipeline or atmosphere, and the other part of the high-concentration dust air flow enters the inner spiral air flow; an ash bin 1 is arranged on the outer side of the lower portion of a conical body 4 of the dust collector, an ash baffle 9 is arranged in the ash bin 1, and a pipeline communicated with an external cloth bag 10 is arranged between the ash baffle 9 and the flow guide body 2.
Claims (7)
1. A cyclone combined dust collector is characterized in that: contain ash bin (1), baffle (2), reposition of redundant personnel cone (3), dust remover cone (4), intake pipe (5), dust remover cylinder (6), outlet duct (7), external sack (10) and dust board (9), dust remover cylinder (6) and dust remover cone (4) constitute the dust remover body as an organic whole, be equipped with intake pipe (5) and outlet duct (7) on the dust remover body, dust remover cone (4) lower part is located ash bin (1), dust remover cone (4) lower part is equipped with reposition of redundant personnel cone (3), the internal central point of reposition of redundant personnel cone (3) lower part cone puts and is equipped with baffle (2), the equal opening in top and the bottom of reposition of redundant personnel cone (3), open-top and dust remover cone (4) lower part phase-match, the center of bottom opening part is equipped with baffle (2), between reposition of redundant personnel cone (3) and dust remover (4) and between baffle (2) and reposition of redundant personnel cone (3), the baffle (2) and reposition of Gaps are arranged, a longitudinally through airflow channel is arranged in the flow guide body (2), the upper end of the airflow channel is communicated with the flow dividing cone (3), the lower end of the airflow channel is communicated with the ash bin (1), and an ash baffle plate (9) is arranged below the flow guide body (2); an external cloth bag (10) is arranged outside the ash bin (1), and the external cloth bag (10) is communicated with the ash bin (1) through a pipeline.
2. An airflow channel is arranged in the flow guide body (2), one end of the airflow channel is communicated with the flow dividing cone (3), the other end of the airflow channel is connected with an external cloth bag (10) through a pipeline, and the external cloth bag (10) is positioned on the outer side of the ash bin (1).
3. A cyclonic composite cleaner as claimed in claim 1, wherein: the shunting cone (3) is positioned on the inner side of the dust remover cone (4), and a gap is formed between the outer surface of the shunting cone (3) and the inner wall of the dust remover cone (4).
4. A cyclonic composite cleaner as claimed in claim 1, wherein: the shunting cone (3) is sleeved on the outer side of the dust remover cone (4), and a gap is formed between the inner wall of the shunting cone (3) and the outer surface of the dust remover cone (4).
5. A cyclonic composite cleaner as claimed in claim 1, wherein: the central lines of the flow dividing cone (3) and the dust remover cone (4) are superposed.
6. A cyclonic composite cleaner as claimed in claim 1, wherein: the flow guide body (2) is of a cylindrical or conical structure, and the central line of the flow guide body (2) is superposed with the central line of the flow dividing cone (3).
7. A method of removing dust in a cyclone dust collector assembly, which comprises the steps of: after the dusty flue gas enters the dust remover body, under the effect of outer spiral air current (13), most of dust in the flue gas is concentrated on the side wall of the conical body of the dust remover, most of the high-concentration dust air current passes through the conical body of the dust remover and the diversion conical body, and enters the ash bin through the gap between the diversion conical body and the flow guide body, and after the large-particle dust is separated by gravity and the dust baffle in the ash bin, part of the air current is led to the external cloth bag to be filtered and then discharged into the main pipeline, and part of the air current enters the inner spiral air current (14), because the air current shunts the inner spiral air current flow, the turbulent flow condition at the junction of the inner spiral air current and the outer spiral air current is relieved, the dust entering the inner spiral air current is greatly reduced.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911127382.3A CN110652829A (en) | 2019-11-18 | 2019-11-18 | Cyclone combined dust remover and dust removing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911127382.3A CN110652829A (en) | 2019-11-18 | 2019-11-18 | Cyclone combined dust remover and dust removing method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110652829A true CN110652829A (en) | 2020-01-07 |
Family
ID=69043757
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911127382.3A Pending CN110652829A (en) | 2019-11-18 | 2019-11-18 | Cyclone combined dust remover and dust removing method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110652829A (en) |
Citations (18)
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| US20010005986A1 (en) * | 1999-12-28 | 2001-07-05 | Kazuki Matsubara | Cyclone type gas-liquid separator |
| JP2008110316A (en) * | 2006-10-31 | 2008-05-15 | Nippon Alum Co Ltd | Solid/gas separation apparatus for granular powder |
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| CN205146472U (en) * | 2015-10-21 | 2016-04-13 | 泰山石膏股份有限公司 | Novel high -efficient cyclone device |
| 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 |
| CN206064647U (en) * | 2016-08-31 | 2017-04-05 | 云南德胜钢铁有限公司 | A kind of cyclone dust remover of blast furnace |
| CN207722971U (en) * | 2017-09-26 | 2018-08-14 | 中冶南方工程技术有限公司 | The dust pelletizing system of the tangential cyclone dust collectors of single-pipeline and the combination of wet scrubbing tower |
| 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 |
| CN211069530U (en) * | 2019-11-18 | 2020-07-24 | 秦皇岛中青冶金阀门有限公司 | Cyclone combined dust remover |
-
2019
- 2019-11-18 CN CN201911127382.3A patent/CN110652829A/en active Pending
Patent Citations (18)
| Publication number | Priority date | Publication date | Assignee | Title |
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| AU6192596A (en) * | 1995-08-09 | 1997-02-13 | Peter Haddon Barnes | Separator apparatus to remove particles from a gas stream |
| RU8277U1 (en) * | 1998-02-03 | 1998-11-16 | Дочернее открытое акционерное общество "Оргэнергогаз" | VERTICAL SEPARATOR |
| US20010005986A1 (en) * | 1999-12-28 | 2001-07-05 | Kazuki Matsubara | Cyclone type gas-liquid separator |
| JP2008110316A (en) * | 2006-10-31 | 2008-05-15 | Nippon Alum Co Ltd | Solid/gas separation apparatus for granular powder |
| CN201558749U (en) * | 2009-11-30 | 2010-08-25 | 中冶赛迪工程技术股份有限公司 | Cyclone dust collector |
| CN201644249U (en) * | 2010-04-16 | 2010-11-24 | 青岛科技大学 | Double-circulation cyclone separator |
| CN102240486A (en) * | 2010-05-12 | 2011-11-16 | 贵阳铝镁设计研究院有限公司 | Method and apparatus for prededusting |
| 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 |
| CN201978824U (en) * | 2010-12-30 | 2011-09-21 | 河南华顿电力设备工程有限公司 | Novel fine powder separator |
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| CN203494671U (en) * | 2013-10-15 | 2014-03-26 | 中国石油大学(华东) | Novel third-grade cyclone separation single tube for catalytically cracking |
| CN205146472U (en) * | 2015-10-21 | 2016-04-13 | 泰山石膏股份有限公司 | Novel high -efficient cyclone device |
| 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 |
| CN205109896U (en) * | 2015-11-19 | 2016-03-30 | 江苏鑫华能环保工程股份有限公司 | Multitube cyclone dust collector flue gas diverging device |
| CN206064647U (en) * | 2016-08-31 | 2017-04-05 | 云南德胜钢铁有限公司 | A kind of cyclone dust remover of blast furnace |
| CN207722971U (en) * | 2017-09-26 | 2018-08-14 | 中冶南方工程技术有限公司 | The dust pelletizing system of the tangential cyclone dust collectors of single-pipeline and the combination of wet scrubbing tower |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20200107 |