CN202621317U - Raw coke oven gas swirl dust remover of blast furnace - Google Patents

Raw coke oven gas swirl dust remover of blast furnace Download PDF

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Publication number
CN202621317U
CN202621317U CN 201220234022 CN201220234022U CN202621317U CN 202621317 U CN202621317 U CN 202621317U CN 201220234022 CN201220234022 CN 201220234022 CN 201220234022 U CN201220234022 U CN 201220234022U CN 202621317 U CN202621317 U CN 202621317U
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CN
China
Prior art keywords
blast furnace
coke oven
oven gas
raw coke
discharge duct
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.)
Expired - Fee Related
Application number
CN 201220234022
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Chinese (zh)
Inventor
董宝利
王明磊
李兵
刘洪东
黄德立
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.)
Jigang Group International Engineering Technology Co., Ltd.
Original Assignee
Jigang Group 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.)
Filing date
Publication date
Application filed by Jigang Group International Engineering Technology Co., Ltd. filed Critical Jigang Group International Engineering Technology Co., Ltd.
Priority to CN 201220234022 priority Critical patent/CN202621317U/en
Application granted granted Critical
Publication of CN202621317U publication Critical patent/CN202621317U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model provides a raw coke oven gas swirl dust remover of a blast furnace; the dust remover comprises a shell body; a gas inlet is arranged on the top of the shell body, an ash discharge port is arranged at the lower part of the shell body, and an exhaust pipeline is arranged in the shell body; one side of the upper end of the exhaust pipeline is provided with an exhaust port which is communicated with the outside of the shell body; a secondary settlement silo is arranged on the exhaust pipeline; the inner diameter of the secondary settlement silo is more than that of the exhaust pipeline; and the inner circumferential wall of the middle part of the shell body is provided with a funnel-shaped air guide plate. A swirl vane is arranged between the outer wall of the exhaust pipeline and the inner wall of the shell body. Compared with an existing gravity dust remover, the dust removing efficiency is greatly improved, the service life is longer, the dust remover does not need to be shut down for maintenance, and the continuous production of the blast furnace is not affected.

Description

Blast furnace raw coke oven gas cyclon dust collector
Technical field
The utility model relates to a kind of dedusting of blast furnace gas device, specifically a kind of blast furnace raw coke oven gas cyclon dust collector.
Background technology
Present domestic most ironmaking all adopted gravitational precipitator when enterprise carries out thick dedusting to blast furnace furnace roof raw coke oven gas; The advantage that gravitational precipitator has is reliable, maintenance is little; But the efficiency of dust collection of gravitational precipitator is low; When supporting thereafter dry-dedusting system moves, can cause the smart cleaner load of cloth bag of purified gas big, cloth bag is low service life.Minority ironmaking enterprise adopts cyclone dust collectors when blast furnace furnace roof raw coke oven gas is carried out thick dedusting, cyclone dust collectors are compared with gravitational precipitator, and efficiency of dust collection is higher, but cyclone dust collectors self are shorter service life, needs often to shut down to safeguard, influences blast furnace and produces continuously.
The utility model content
The purpose of the utility model provides a kind of blast furnace raw coke oven gas cyclon dust collector, and it is compared with existing gravitational precipitator, and efficiency of dust collection significantly improves, and service life is longer, does not need often to shut down to safeguard, does not influence blast furnace and produces continuously.
The utility model is for realizing above-mentioned purpose, and realize through following technical scheme: comprise housing, case top is offered air inlet; Lower housing portion is offered ash discharging hole; Discharge duct is installed in the housing, and the exhaust outlet that discharge duct upper end one side setting is communicated with outside is installed the secondary settlement storehouse on the discharge duct; The internal diameter in secondary settlement storehouse is greater than the internal diameter of discharge duct, and housing middle part internal perisporium is installed the infundibulate wind deflector.Between discharge duct outer wall and the inner walls swirl vane is installed.Conical wind-guiding cap is installed on the discharge duct top.Discharge duct outer wall border is provided with guide shell, and the guide shell end face is connected with discharge duct outer wall border, between guide shell lateral wall and the inner walls swirl vane is installed.Inner walls, infundibulate wind deflector inwall, discharge duct inner and outer wall, secondary settlement storehouse inner and outer wall all are provided with the acid-proof wear-proof coating.The swirl vane outer surface is provided with the acid-proof wear-proof coating.Wind-guiding cap outer surface is provided with the acid-proof wear-proof coating.The guide shell outer wall is provided with the acid-proof wear-proof coating.
The advantage of the utility model is: adopt the two-stage dedusting structure, efficiency of dust collection significantly improves, and service life is longer, does not need often to shut down to safeguard, do not influence blast furnace and produce continuously, corrosion-resistant and anti-wear performance is strong etc.
Description of drawings
Fig. 1 is the utility model structural representation.
The specific embodiment
The described blast furnace raw coke oven gas of the utility model cyclon dust collector comprises housing 1, and air inlet 2 is offered at housing 1 top; Ash discharging hole 3 is offered in housing 1 bottom; Discharge duct 4 is installed in the housing 1, and the exhaust outlet 8 of discharge duct 4 upper ends, one side setting and housing 1 external communications is installed secondary settlement storehouse 5 on the discharge duct 4; The internal diameter in secondary settlement storehouse 5 is greater than the internal diameter of discharge duct 4, and housing 1 middle part internal perisporium is installed infundibulate wind deflector 6.Infundibulate wind deflector 6 upsides are a sedimentation storehouse 10, and infundibulate wind deflector 6 downsides are dust compartment 11, during installation; Air inlet 2 is connected with blast furnace raw coke oven gas pipeline, and the blast furnace raw coke oven gas gets into a sedimentation storehouse 10, and contained big dust particle falls into dust compartment 11 in the raw coke oven gas; Realize one-time dedusting, get into from discharge duct 4 lower ends, during through secondary settlement storehouse 5 through the raw coke oven gas behind the one-time dedusting; The flow velocity of air-flow reduces, and remaining most dust can be settled down to dust compartment 11 in the air-flow under the effect of gravity, realizes final dusting; Raw coke oven gas behind final dusting is discharged from exhaust outlet 8, gets into thin dedusting link.Infundibulate wind deflector 6 can produce barrier effect to air-flow, makes dust and flow separation, can also prevent simultaneously that dust in the dust compartment 11 is counter to flow in sedimentation storehouse 10.The utility model adopts the two-stage dedusting structure, compares with existing gravitational precipitator product, and efficiency of dust collection significantly improves, and service life is longer, does not need often to shut down to safeguard, does not influence blast furnace and produces continuously.
The utility model can be installed swirl vane 7 in order further to promote efficiency of dust collection between discharge duct 4 outer walls and housing 1 inwall.When air-flow process swirl vane 7, can produce strong eddy flow, dust because centrifugal action can be concentrated and be distributed in the air-flow periphery, is easy to sedimentation in eddy flow, help strengthening efficiency of dust collection.
The utility model can be shunted when making the raw coke oven gas air-flow get into housing 1 uniformly, and conical wind-guiding cap 9 can be installed on discharge duct 4 tops.
The utility model can be provided with guide shell 12 in discharge duct 4 outer wall borders in order to increase the eddy flow effect of air-flow, and guide shell 12 end faces are connected with discharge duct 4 outer wall borders, and swirl vane 7 is installed between guide shell 12 lateral walls and housing 1 inwall.Guide shell 12 can reduce the draught area at swirl vane 7 places, increases air velocity, strengthens the eddy flow effect.
The utility model is in order to strengthen corrosion-resistant and anti-wear performance; Increase the service life, can the acid-proof wear-proof coating all be set at housing 1 inwall, infundibulate wind deflector 6 inwalls, discharge duct 4 inner and outer walls, secondary settlement storehouse 5 inner and outer walls, swirl vane 7 outer surfaces, wind-guiding cap 9 outer surfaces and guide shell 12 outer walls.

Claims (8)

1. blast furnace raw coke oven gas cyclon dust collector; It is characterized in that: comprise housing (1); Air inlet (2) is offered at housing (1) top, and ash discharging hole (3) is offered in housing (1) bottom, and discharge duct (4) is installed in the housing (1); The exhaust outlet (8) of discharge duct (4) upper end one side setting and housing (1) external communications; Discharge duct (4) is gone up secondary settlement storehouse (5) is installed, and the internal diameter of secondary settlement storehouse (5) is greater than the internal diameter of discharge duct (4), and housing (1) middle part internal perisporium is installed infundibulate wind deflector (6).
2. blast furnace raw coke oven gas cyclon dust collector according to claim 1 is characterized in that: between discharge duct (4) outer wall and housing (1) inwall swirl vane (7) is installed.
3. blast furnace raw coke oven gas cyclon dust collector according to claim 1 is characterized in that: conical wind-guiding cap (9) is installed on discharge duct (4) top.
4. blast furnace raw coke oven gas cyclon dust collector according to claim 2; It is characterized in that: discharge duct (4) outer wall border is provided with guide shell (12); Guide shell (12) end face is connected with discharge duct (4) outer wall border, between guide shell (12) lateral wall and housing (1) inwall swirl vane (7) is installed.
5. according to claim 1,2,3 or 4 each described blast furnace raw coke oven gas cyclon dust collectors, it is characterized in that: housing (1) inwall, infundibulate wind deflector (6) inwall, discharge duct (4) inner and outer wall, secondary settlement storehouse (5) inner and outer wall all are provided with the acid-proof wear-proof coating.
6. according to claim 2 or 4 described blast furnace raw coke oven gas cyclon dust collectors, it is characterized in that: swirl vane (7) outer surface is provided with the acid-proof wear-proof coating.
7. blast furnace raw coke oven gas cyclon dust collector according to claim 3 is characterized in that: wind-guiding cap (9) outer surface is provided with the acid-proof wear-proof coating.
8. blast furnace raw coke oven gas cyclon dust collector according to claim 4 is characterized in that: guide shell (12) outer wall is provided with the acid-proof wear-proof coating.
CN 201220234022 2012-05-23 2012-05-23 Raw coke oven gas swirl dust remover of blast furnace Expired - Fee Related CN202621317U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220234022 CN202621317U (en) 2012-05-23 2012-05-23 Raw coke oven gas swirl dust remover of blast furnace

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220234022 CN202621317U (en) 2012-05-23 2012-05-23 Raw coke oven gas swirl dust remover of blast furnace

Publications (1)

Publication Number Publication Date
CN202621317U true CN202621317U (en) 2012-12-26

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201220234022 Expired - Fee Related CN202621317U (en) 2012-05-23 2012-05-23 Raw coke oven gas swirl dust remover of blast furnace

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CN (1) CN202621317U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104937115A (en) * 2013-02-01 2015-09-23 新日铁住金工程技术株式会社 Dust catcher for blast furnace gas
CN110665293A (en) * 2019-11-12 2020-01-10 中冶赛迪工程技术股份有限公司 Gravity type cyclone dust collector

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104937115A (en) * 2013-02-01 2015-09-23 新日铁住金工程技术株式会社 Dust catcher for blast furnace gas
CN104937115B (en) * 2013-02-01 2017-04-12 新日铁住金工程技术株式会社 Dust catcher for blast furnace gas
CN110665293A (en) * 2019-11-12 2020-01-10 中冶赛迪工程技术股份有限公司 Gravity type cyclone dust collector

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20121226

Termination date: 20170523

CF01 Termination of patent right due to non-payment of annual fee