CN106583067A - Built-in double spiral axial cyclone dust collector - Google Patents

Built-in double spiral axial cyclone dust collector Download PDF

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Publication number
CN106583067A
CN106583067A CN201611209680.3A CN201611209680A CN106583067A CN 106583067 A CN106583067 A CN 106583067A CN 201611209680 A CN201611209680 A CN 201611209680A CN 106583067 A CN106583067 A CN 106583067A
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CN
China
Prior art keywords
section
cyclone dust
exhaustor
cyclone
helical duct
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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
Application number
CN201611209680.3A
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Chinese (zh)
Inventor
曹朝真
陈玉敏
耿云梅
王智政
王力
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing Shougang International Engineering Technology Co Ltd
Original Assignee
Beijing Shougang International Engineering Technology Co Ltd
Priority date (The priority date 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 date listed.)
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Publication date
Application filed by Beijing Shougang International Engineering Technology Co Ltd filed Critical Beijing Shougang International Engineering Technology Co Ltd
Priority to CN201611209680.3A priority Critical patent/CN106583067A/en
Publication of CN106583067A publication Critical patent/CN106583067A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B04CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04CAPPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
    • B04C5/00Apparatus in which the axial direction of the vortex is reversed
    • B04C5/02Construction of inlets by which the vortex flow is generated, e.g. tangential admission, the fluid flow being forced to follow a downward path by spirally wound bulkheads, or with slightly downwardly-directed tangential admission
    • B04C5/06Axial inlets
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B04CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04CAPPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
    • B04C5/00Apparatus in which the axial direction of the vortex is reversed
    • B04C5/08Vortex chamber constructions
    • B04C5/103Bodies or members, e.g. bulkheads, guides, in the vortex chamber
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B04CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04CAPPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
    • B04C5/00Apparatus in which the axial direction of the vortex is reversed
    • B04C5/14Construction of the underflow ducting; Apex constructions; Discharge arrangements ; discharge through sidewall provided with a few slits or perforations
    • B04C5/185Dust collectors

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  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Cyclones (AREA)

Abstract

The invention relates to a built-in double spiral axial cyclone dust collector and belongs to the technical field of industrial gas dedusting. The built-in double spiral axial cyclone dust collector comprises an air inlet pipe, a conical surface separating plate, a spiral channel separating plate, a spiral channel, a vertical exhausting pipe, a cyclone separation chamber, a reversed cone body, a dust collecting bucket, a dust inhibitor, a cyclone dust collector housing, a horizontal exhausting pipe and an air flow distributing cone. The vertical section of the air inlet pipe is connected to the upper cone section of the cyclone dust collector housing, the conical surface separating plate is located in the upper portion of the cyclone dust collector housing and is connected to the spiral channel, the vertical exhausting pipe is located in the center of the cyclone dust collector housing and the lower edge of the vertical exhausting pipe is located below the outlet of the spiral channel, the dust inhibitor and the reversed cone body are arranged in the lower portion of the cyclone separation chamber, the dust collecting bucket is located below the cyclone separation chamber, and the horizontal exhausting pipe is located between upper vertical sections of the two spiral channels. The built-in double spiral axial cyclone dust collector has the advantages that the dedusting efficiency is remarkably improved; and wear of equipment is effectively reduced, the maintenance workload is reduced, and the service life of equipment is prolonged.

Description

A kind of built-in double-screw shaft is to cyclone dust extractor
Technical field
The invention belongs to industry gas dust removing technical field, more particularly to a kind of built-in double-screw shaft is to cyclone dust extractor. More particularly to a kind of built-in double-screw shaft to carrying out gas solid separation containing dusty gas is to cyclone dust extractor.
Background technology
At present, dedusting of blast furnace gas generally adopts dry dedusting technology, and in order to reduce the grey load of dry method dust, it is right to reduce The impact of cloth bag and subsequent handling, typically using the process form of gravitational precipitator+cyclone dust extractor+dry method dust, gravity is removed The efficiency of dust collection of dirt device is relatively low, and typically between 50~60%, and the height of dust removal efficiency in cyclone cleaner is for the cloth bag life-span There is considerable influence with the dust removing effects of coal gas.Existing coal gas cyclone dust collector of blast furnace mainly has two kinds of forms, and one kind is tangential The tangential type cyclone dust extractor of air intake top air-out, one kind is axial (top) air intake, the axialmode cyclone dust removal of lateral air-out Device, in general, the efficiency of dust collection of tangential type cyclone dust extractor is higher than the efficiency of dust collection of axialmode cyclone dust extractor, but equipment Abrasion is also even more serious.
Patent of invention 00802241.0 is disclosed a kind of " dust extraction installation for blast furnace gas ", including a large-scale cyclonic separation Device, there is a vertical pressure-bearing tank, and the blast furnace gas pipeline from blast furnace is connected with the axial conveyer device in pressurized canister Connect, the swirl-flow devices with guide vane are located at the lower section of axial conveyer device, rotate axis of the installation for blast furnace gas around compression chamber, Centrifugal force is thrown to the cylindrical outer wall of pressure chamber by the granule in installation for blast furnace gas, then slips down in flue-dust retainer along outer wall, air-flow Then in bottom, skew Zhong Chu is turned upwards towards into central outlet pipe, excludes cleaner unit, and the guide vane that the dust arrester is arranged is more Up to 30 polyliths, gas impacts vertically downward guide vane from axial conveyer device, due to for generate eddy flow blade it is very close, from And air velocity is increased, exacerbate the abrasion of guide vane." the spiral cylinder cyclone dust removal of patent of invention 2005100733041 Process equipment ", including dust and gas air inlet pipe, exhaustor, flue-dust retainer, cyclone separating chamber, are characterized in that cyclone separating chamber upper end passes through One pressure distributor chamber is connected with exhaust inlet pipe, and cyclone separating chamber's internal upper part is provided with circumferentially equally distributed 6-12 spiral shell Rotation cylinder, the suitable for reading relative with the circumferential apertures of pressure distributor chamber of spiral-tube connects, and Gas flow-limiting dust suppression device is provided with the trapezoidal sections of bottom, interior Wall has high-abrasive material.Air-flow forms low speed, stable, thin layer eddy flow in the presence of spiral-tube, and centrifugal force can be more effective by dust Separate from air-flow on ground.The indoor air-flow of this cleaner pressure distribution is affected by escape pipe, and distribution is not enough closed Reason, outer wall serious wear;Patent of invention 200620092771.9 there are problems that same.
The content of the invention
It is an object of the invention to provide a kind of built-in double-screw shaft is to cyclone dust extractor, solves and removed using equipment at present Dirt efficiency is low, serious wear, the problem that maintenance workload is big and service life is short.
A kind of built-in double-screw shaft is to cyclone dust extractor, including air inlet pipe 1, conical surface demarcation strip 2, helical duct demarcation strip 3, Helical duct 4, vertical section exhaustor 5, cyclone separating chamber 6, reverse taper 7, flue-dust retainer 8, dust suppression device 9, cyclone dust extractor housing 10, Horizontal segment exhaustor 11 and air flow method cone 12.The vertical section of air inlet pipe 1 is connected with the upper cone section of cyclone dust extractor housing 10, the conical surface point Dividing plate 2 is with, along being connected, helical duct demarcation strip 3 is located at cyclone dust removal on the vertical section lower edge of air inlet pipe 1 and vertical section exhaustor 5 Between the inner surface of device housing 10 and the outer surface of vertical section exhaustor 5, and it is connected with conical surface demarcation strip 2, vertical section exhaustor 5 is located at The center of cyclone dust extractor housing 10, and its lower edge is located at the outlet of helical duct 4 lower section, and the air-flow from air inlet pipe 1 is in air-flow In the presence of distribution cone 12, by conical surface demarcation strip 2 and helical duct demarcation strip 3 two strands are uniformly divided into;The bottom of cyclone separating chamber 6 has Dust suppression device 9 and reverse taper 7, are provided with grey gap between dust suppression device 9 and reverse taper 7, flue-dust retainer 8 is located at the lower section of cyclone separating chamber 6, Dedusting ash is thrown under the influence of centrifugal force the inwall of cyclone dust extractor housing 10 in cyclone separating chamber 6, and is glided along inwall The Jing grey gaps that fall are fallen in flue-dust retainer 8, and are discharged outside cyclone dust extractor from the bottom of flue-dust retainer 8;Horizontal segment exhaustor 11 is located at two Between the upper vertical section of individual helical duct 4, vertical connection between vertical section exhaustor 5 and horizontal segment exhaustor 11, air flow method Cone 12 is located at the upper end of vertical section exhaustor 5.
Conical surface demarcation strip 2 is two pieces, common with helical duct demarcation strip 3 and the upper cone section inner surface of cyclone dust extractor housing 10 The entrance of composition helical duct 4, coordinates and will uniformly be divided into 2 strands from the air-flow of air inlet pipe 1 with air flow method cone 12, respectively enters Helical duct 4.
Totally four pieces of helical duct demarcation strip 3, is divided into two groups, with the inner surface of cyclone dust extractor housing 10 and vertical section exhaustor 5 outer surfaces collectively constitute two helical ducts 4.The top of helical duct 4 is vertical section, and vertical section section is sector, and bottom is spiral shell Rotation section, spiral section section is fan-shaped or rectangle;Spiral section avoids the lower edge of horizontal segment exhaustor 11, and the spiral section of helical duct 4 is swept The central angle angle crossed is 30~360 °.
Air flow method bores 12 upper surface wear-resisting layer coverings.
The cross sectional shape of horizontal segment exhaustor 11 is circular or oval.
The advantage of technical solution of the present invention is:By the way that in the form of built-in Double helix passage, dedusting can will be entered The axial flow of device is uniform, be slowly changed to tangential gas flow, produces the dust removing effects similar to tangential type cyclone dust extractor, compares Conventional axial dust removal efficiency in cyclone cleaner is significantly improved;Built-in helical duct can make full use of cyclone dust extractor inside empty Between, sectional area is big, the drastically change of the low and no airflow direction of air velocity, therefore the abrasion to equipment is reduced, and is conducive to subtracting Few maintenance workload and raising equipment life.
Description of the drawings
Fig. 1 is cyclone dust extractor internal structure schematic diagram.Wherein, air inlet pipe 1, conical surface demarcation strip 2, helical duct demarcation strip 3, helical duct 4, vertical section exhaustor 5, cyclone separating chamber 6, reverse taper 7, flue-dust retainer 8, dust suppression device 9, cyclone dust extractor housing 10, horizontal segment exhaustor 11, air flow method cone 12.
Fig. 2 is horizontal segment exhaustor schematic cross-section.
Specific embodiment
Embodiment 1
The specific embodiment of the present invention is illustrated below in conjunction with the accompanying drawings.
A kind of built-in double-screw shaft is to cyclone dust extractor, including air inlet pipe 1, conical surface demarcation strip 2, helical duct demarcation strip 3, Helical duct 4, vertical section exhaustor 5, cyclone separating chamber 6, reverse taper 7, flue-dust retainer 8, dust suppression device 9, cyclone dust extractor housing 10, Horizontal segment exhaustor 11 and air flow method cone 12.The vertical section of air inlet pipe 1 is connected with the upper cone section of cyclone dust extractor housing 10, the conical surface point Dividing plate 2 is with, along being connected, helical duct demarcation strip 3 is located at cyclone dust removal on the vertical section lower edge of air inlet pipe 1 and vertical section exhaustor 5 Between the inner surface of device housing 10 and the outer surface of vertical section exhaustor 5, and it is connected with conical surface demarcation strip 2, vertical section exhaustor 5 is located at The center of cyclone dust extractor housing 10, and its lower edge is located at the outlet of helical duct 4 lower section, and the air-flow from air inlet pipe 1 is in air-flow In the presence of distribution cone 12, by conical surface demarcation strip 2 and helical duct demarcation strip 3 two strands are uniformly divided into;The bottom of cyclone separating chamber 6 has Dust suppression device 9 and reverse taper 7, are provided with grey gap between dust suppression device 9 and reverse taper 7, flue-dust retainer 8 is located at the lower section of cyclone separating chamber 6, Dedusting ash is thrown under the influence of centrifugal force the inwall of cyclone dust extractor housing 10 in cyclone separating chamber 6, and is glided along inwall The Jing grey gaps that fall are fallen in flue-dust retainer 8, and are discharged outside cyclone dust extractor from the bottom of flue-dust retainer 8;Horizontal segment exhaustor 11 is located at two Between the upper vertical section of individual helical duct 4, vertical connection between vertical section exhaustor 5 and horizontal segment exhaustor 11, air flow method Cone 12 is located at the upper end of vertical section exhaustor 5.
Conical surface demarcation strip 2 is two pieces, common with helical duct demarcation strip 3 and the upper cone section inner surface of cyclone dust extractor housing 10 The entrance of composition helical duct 4, coordinates and will uniformly be divided into 2 strands from the air-flow of air inlet pipe 1 with air flow method cone 12, respectively enters Helical duct 4.
Totally four pieces of helical duct demarcation strip 3, is divided into two groups, with the inner surface of cyclone dust extractor housing 10 and vertical section exhaustor 5 outer surfaces collectively constitute two helical ducts 4.The top of helical duct 4 is vertical section, and vertical section section is sector, and bottom is spiral shell Rotation section, spiral section section is fan-shaped or rectangle;Spiral section avoids the lower edge of horizontal segment exhaustor 11, and the spiral section of helical duct 4 is swept The central angle angle crossed is 30~360 °.
Air flow method bores 12 upper surface wear-resisting layer coverings.
The operation principle of the present invention:Air-flow Jing air inlet pipe 1 enters cyclone dust extractor from top, in the work of air flow method cone 12 With under, by conical surface demarcation strip 2 and helical duct demarcation strip 3 two strands are uniformly divided into, and edge is removed by helical duct demarcation strip 3, whirlwind The inner surface of dirt device housing 10 and the outer surface of vertical section exhaustor 5 collectively constitute helical duct 4, are downwardly into cyclone separating chamber 6, gas Grit in stream is thrown under the influence of centrifugal force the inwall of cyclone dust extractor housing 10 in cyclone separating chamber 6, and along inwall The downslide Jing grey gaps that fall are fallen in flue-dust retainer 8, and are discharged outside cyclone dust extractor from the bottom of flue-dust retainer 8.By using built-in pair of spiral shell The form of rotation passage, can make axial flow uniformly, slowly be changed to tangential gas flow, significantly improve efficiency of dust collection, simultaneously because The drastically change of the low and no airflow direction of air velocity, the abrasion to equipment is reduced, and is conducive to improving equipment life.

Claims (4)

1. a kind of built-in double-screw shaft is to cyclone dust extractor, it is characterised in that include air inlet pipe (1), conical surface demarcation strip (2), helical duct demarcation strip (3), helical duct (4), vertical section exhaustor (5), cyclone separating chamber (6), reverse taper (7), collection Ash bucket (8), dust suppression device (9), cyclone dust extractor housing (10), horizontal segment exhaustor (11) and air flow method cone (12);Air inlet pipe (1) vertical section is connected with cyclone dust extractor housing (10) upper cone section, conical surface demarcation strip (2) and air inlet pipe (1) vertical section lower edge and Along being connected on vertical section exhaustor (5), helical duct demarcation strip (3) is positioned at cyclone dust extractor housing (10) inner surface and vertically Between section exhaustor (5) outer surface, and it is connected with conical surface demarcation strip (2);Vertical section exhaustor (5) is positioned at cyclone dust extractor housing (10) center, and its lower edge is located at helical duct (4) outlet lower section, and the air-flow from air inlet pipe (1) is bored in air flow method (12) in the presence of, by conical surface demarcation strip (2) and helical duct demarcation strip (3) two strands are uniformly divided into;Cyclone separating chamber (6) bottom There are dust suppression device (9) and reverse taper (7), be provided with grey gap between dust suppression device (9) and reverse taper (7), flue-dust retainer (8) is positioned at whirlwind Separation chamber (6) lower section, dedusting ash is thrown under the influence of centrifugal force cyclone dust extractor housing in cyclone separating chamber (6) (10) inwall, and fall in flue-dust retainer (8) along the inwall downslide Jing grey gaps that fall, and discharge cyclone dust removal from flue-dust retainer (8) bottom Outside device;Horizontal segment exhaustor (11) between two helical duct (4) upper vertical sections, vertical section exhaustor (5) and level Vertical connection between section exhaustor (11), air flow method bores (12) positioned at vertical section exhaustor (5) upper end.
2. cleaner unit according to claim 1, it is characterised in that described conical surface demarcation strip (2) is two pieces is logical with spiral Road demarcation strip (3) and cyclone dust extractor housing (10) upper cone section inner surface collectively constitute the entrance of helical duct (4), with air-flow point Cloth cone (12) coordinates and will uniformly be divided into 2 strands from the air-flow of air inlet pipe (1), respectively enters helical duct (4).
3. cleaner unit according to claim 1, it is characterised in that totally four pieces of described helical duct demarcation strip (3), is divided into Two groups, with cyclone dust extractor housing (10) inner surface and vertical section exhaustor (5) outer surface two helical ducts are collectively constituted (4);Helical duct (4) top is vertical section, and vertical section section is sector, and bottom is spiral section, spiral section section for fan-shaped or Rectangle;Spiral section avoids horizontal segment exhaustor (11) lower edge, and the central angle angle that the spiral section of helical duct (4) is inswept is 30~ 360°。
4. cleaner unit according to claim 1, it is characterised in that described air flow method cone (12) upper surface covers wear-resisting Layer.
CN201611209680.3A 2017-03-13 2017-03-13 Built-in double spiral axial cyclone dust collector Pending CN106583067A (en)

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107900280A (en) * 2017-12-21 2018-04-13 广州市爱司凯科技股份有限公司 The mixing sand preparing system and processing method of 3D printing
CN107931519A (en) * 2017-12-21 2018-04-20 广州市爱司凯科技股份有限公司 The single sand preparing system and sand processing method of 3D printer
CN109187108A (en) * 2018-09-25 2019-01-11 泰山学院 A kind of automatic sand-taped instrument of multistage reduction of speed formula and working method
CN112774879A (en) * 2020-12-30 2021-05-11 东北石油大学 Automatic vertical heterogeneous integration cyclone separation device of paraffin removal
CN113351385A (en) * 2021-05-13 2021-09-07 中国石油大学(北京) Heat exchange and separation integrated cyclone separation device
CN113531550A (en) * 2021-08-03 2021-10-22 邢台金丰能源科技有限公司 Device and method for cyclone separation of furfural residues after furfural residue boiler to enable furfural residues to enter furnace hall for secondary time
CN113578539A (en) * 2021-07-19 2021-11-02 江西增鑫科技股份有限公司 Cyclone dust collector

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000040763A1 (en) * 1999-01-08 2000-07-13 Paul Wurth S.A. Dust extraction installation for blast furnace gas
CN101121154A (en) * 2006-08-09 2008-02-13 唐忠库 Efficient wear-proof drum type cyclone dust collector
CN201124072Y (en) * 2007-08-29 2008-10-01 保尔伍斯股份有限公司 Dust cleaning apparatus for blast furnaces burner gas
DE202009016437U1 (en) * 2009-12-04 2010-03-25 Paul-Wurth Umwelttechnik Gmbh Axial cyclone for use as a pre-cleaning stage in a dedusting plant for blast furnace gas
CN201454710U (en) * 2009-06-30 2010-05-12 北京三川世纪技术有限公司 Guide vane type cyclone and combined filter separator
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
CN201776193U (en) * 2010-05-31 2011-03-30 中国石油大学(华东) Guide vane type tornadotron with stepped slit of dust exhaust structure

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000040763A1 (en) * 1999-01-08 2000-07-13 Paul Wurth S.A. Dust extraction installation for blast furnace gas
CN101121154A (en) * 2006-08-09 2008-02-13 唐忠库 Efficient wear-proof drum type cyclone dust collector
CN201124072Y (en) * 2007-08-29 2008-10-01 保尔伍斯股份有限公司 Dust cleaning apparatus for blast furnaces burner gas
CN201454710U (en) * 2009-06-30 2010-05-12 北京三川世纪技术有限公司 Guide vane type cyclone and combined filter separator
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
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CN201776193U (en) * 2010-05-31 2011-03-30 中国石油大学(华东) Guide vane type tornadotron with stepped slit of dust exhaust structure

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107900280A (en) * 2017-12-21 2018-04-13 广州市爱司凯科技股份有限公司 The mixing sand preparing system and processing method of 3D printing
CN107931519A (en) * 2017-12-21 2018-04-20 广州市爱司凯科技股份有限公司 The single sand preparing system and sand processing method of 3D printer
CN109187108A (en) * 2018-09-25 2019-01-11 泰山学院 A kind of automatic sand-taped instrument of multistage reduction of speed formula and working method
CN109187108B (en) * 2018-09-25 2021-08-17 泰山学院 Multi-stage speed reduction type automatic sand collector and working method
CN112774879A (en) * 2020-12-30 2021-05-11 东北石油大学 Automatic vertical heterogeneous integration cyclone separation device of paraffin removal
CN113351385A (en) * 2021-05-13 2021-09-07 中国石油大学(北京) Heat exchange and separation integrated cyclone separation device
CN113578539A (en) * 2021-07-19 2021-11-02 江西增鑫科技股份有限公司 Cyclone dust collector
CN113531550A (en) * 2021-08-03 2021-10-22 邢台金丰能源科技有限公司 Device and method for cyclone separation of furfural residues after furfural residue boiler to enable furfural residues to enter furnace hall for secondary time

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