CN105506215A - Converter primary smoke filtering device and filtering method - Google Patents
Converter primary smoke filtering device and filtering method Download PDFInfo
- Publication number
- CN105506215A CN105506215A CN201510995237.2A CN201510995237A CN105506215A CN 105506215 A CN105506215 A CN 105506215A CN 201510995237 A CN201510995237 A CN 201510995237A CN 105506215 A CN105506215 A CN 105506215A
- Authority
- CN
- China
- Prior art keywords
- air filter
- pipe
- converter
- flushable
- shell
- 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.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
- H02K21/12—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets
- H02K21/14—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating within the armatures
- H02K21/18—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating within the armatures having horse-shoe armature cores
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
- C21C5/28—Manufacture of steel in the converter
- C21C5/38—Removal of waste gases or dust
- C21C5/40—Offtakes or separating apparatus for converter waste gases or dust
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/14—Stator cores with salient poles
- H02K1/141—Stator cores with salient poles consisting of C-shaped cores
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/14—Stator cores with salient poles
- H02K1/146—Stator cores with salient poles consisting of a generally annular yoke with salient poles
- H02K1/148—Sectional cores
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2201/00—Specific aspects not provided for in the other groups of this subclass relating to the magnetic circuits
- H02K2201/03—Machines characterised by aspects of the air-gap between rotor and stator
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
- Environmental & Geological Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
Abstract
The invention relates to a converter primary smoke filtering device and a filtering method. The converter primary smoke filtering device comprises a filter shell, a smoke inlet pipe, a smoke outlet pipe, a bottom support, explosion venting devices, overhaul holes, washable air filters, washing water pipes, sprayer nozzles, a sewage draining water pipe, rapping devices, and a pressure measurement and alarming device, wherein the washable air filters are installed in the shell and divide the shell into an upper sealed space and a lower sealed space; smoke enters the shell from the lower portion of the shell and then is drained from the upper portion of the shell; the overhaul holes are installed in the top and the lateral wall of the shell, so that an air filter module is conveniently overhauled and replaced; the explosion venting devices are installed on the lateral walls of the upper space and the lower space of the shell; the rapping devices, the washing water pipes, the sprayer nozzles and the like are installed on the upper portions of the air filters. By using the characteristic that the primary smoke of a converter is discontinuous, the air filters are automatically subjected to back washing in the non-oxygen blowing smelting period of the converter. The converter primary smoke filtering device is simple in structure, easy to manufacture, good in purification effect and particularly suitable for a purification and dust removal technology for the primary smoke of small and medium converters.
Description
Technical field
The invention belongs to the technical field of a converter gas cleaning, particularly relate to a kind of converter filtrating equipment of flue gas and filter method.
Background technology
With China's whole society's showing great attention to atmospheric environment problem in recent years, Iron And Steel Industry is put into the key monitoring object that atmospheric polluting material controls.But due to the technique of China's Iron And Steel Industry, technology, equipment multi-level, some converter flue gas purifying techniques fallen behind and equipment not yet superseded, Air Pollutant Emission can not meet the requirement of discharging standards.Therefore be necessary to develop a kind of less investment, safe and reliable to operation, be applicable to the purifying and dedusting equipment that a mini-medium BOF plants gas cleaning and recovery system use.
Summary of the invention
Technical problem to be solved by this invention is for above-mentioned Problems existing, provides a kind of converter filtrating equipment of flue gas and filter method, utilizes converter discrete feature of flue gas, carries out back flushing in the non-oxygen blast of the converter phase of smelting to air filter.
The present invention solves the problems of the technologies described above adopted technical scheme: a kind of converter filtrating equipment of flue gas, it is characterized in that, comprise filter body, smoke inlet pipe, smoke outlet tube, bottom support, explosion venting device, access opening, flushable air filter, wash tub pipe and nozzle, sewage pipe, rapping apparatus, pressure measurement and warning device; Described flushable air filter is installed in housing, housing is divided into upper and lower two enclosed spaces, and flue gas is discharged from housing upper smoke outlet tube after lower housing portion smoke inlet pipe passes into filter; Pressure measurement and warning device are also equipped with in smoke inlet pipe and outlet pipe place; Access opening is arranged on case top and sidewall; Explosion venting device is arranged on housing upper space and lower space sidewall; Rapping apparatus, wash tub pipe and nozzle are also equipped with in flushable air filter top; Sewage pipe and wash tub pipe are arranged on housing bottom; Described wash tub pipe, sewage pipe are also provided with electronic or pneumatic on-off valve.
By such scheme, described flushable air filter adopts wedge shape filter bag modular construction, and each unit module can independently be changed; Described nozzle is arranged in wedge shape filter bag upper space; Described wedge shape filter bag adopts flushable, resistant to elevated temperatures material to make; Described air filter top is provided with rapping apparatus and wash tub pipe.
By such scheme, described access opening covers whole case top, and quantity is two or more.
By such scheme, described explosion venting device is installed on housing upper space and lower space sidewall, and adopt openable structure, quantity is two or more.
By such scheme, described pressure measurement and warning device are installed on gas approach and outlet position respectively, for measuring above-mentioned filter resistance, when measured inlet outlet pressure differential exceedes certain limit, and automatic alarm.
The filter method of a kind of converter flue gas, it is characterized in that, the flue gas produced when comprising the steps: that Converter Oxigen Blowing is smelted is after wet sprinkling washing or the cooling of dry method transpiration cooling technique, first enter lower housing portion enclosed space by described smoke inlet pipe, after described flushable air filter purification filtering, enter housing upper enclosed space, then discharged by described smoke outlet tube.
When the non-oxygen blast of converter is smelted and is not produced a flue gas, the valve that described flushable air filter top wash tub pipe and sewage pipe are arranged is opened automatically, flushable air filter top rapping apparatus is opened simultaneously, described flushable air filter is rinsed, rapping and blowdown, the dust that wedge shape filter bag traps is by rinse and rapping is discharged by described sewage pipe; Valve and rapping apparatus are opened after in 1 ~ 2min and are automatically closed, and terminate that strainer rinses, rapping and blowdown.
For preventing sewage pipe from blocking, the valve that lower housing portion wash tub pipe is arranged regularly is opened, and realizes the periodic flushing to sewage pipe.
The invention has the beneficial effects as follows: a kind of converter filtrating equipment of flue gas and filter method are provided, structure is simple, easy to manufacture, good purification, use of connecting with traditional converter flue gas purifying technique can reduce chimney Air Pollutant Emission concentration, and the flue gas purifying technique transformation of the special standby mini-medium BOF plants being suitable for falling behind uses.
Accompanying drawing explanation
Fig. 1 is the structural representation of one embodiment of the invention.
Fig. 2 is the vertical view of Fig. 1.
Fig. 3 is the internal structure schematic diagram of the upper enclosed space of one embodiment of the invention.
Wherein: 1-smoke inlet pipe, 2-smoke outlet tube, the flushable air filter of 3-, the upper enclosed space of 4-, enclosed space under 5-, 6-top wash tub pipe, 7-nozzle, 8-rapping apparatus, 9-sewage pipe, 10-bottom wash tub pipe, 11-access opening, 12-explosion venting device, 13-bottom support, 14-pressure measurement and warning device.
Embodiment
For understanding the present invention better, below in conjunction with drawings and Examples, the invention will be further described.
As shown in Figure 1, filter body, smoke inlet pipe 1, smoke outlet tube 2, bottom support 13, explosion venting device 12, access opening 11, flushable air filter 3, top wash tub pipe 6, bottom wash tub pipe 10, flooding nozzle 7, sewage pipe 9, rapping apparatus 8, pressure measurement and warning device 14 is comprised.Described flushable air filter 3 is installed in housing, housing is divided into upper and lower two enclosed spaces 4 and 5, and flue gas enters from lower housing portion inlet tube 1 and discharges from housing upper outlet pipe 2 after air filter 3 filters; Pressure measurement and warning device 14 are also equipped with in smoke inlet pipe 1 and outlet pipe 2 place; Access opening 11 is arranged on case top and sidewall, convenient maintenance and replacing air filter module; Explosion venting device 12 is arranged on enclosed space 4 and lower enclosed space 5 sidewall on housing; Rapping apparatus 8, wash tub pipe 6 and nozzle 7 are also equipped with in air filter 3 top; Sewage pipe 9 and wash tub pipe 10 are arranged on housing bottom.Wherein, described wash tub pipe 6 and 10, sewage pipe 9 are also provided with electronic or pneumatic on-off valve.
As shown in figures 1 and 3, described flushable air filter 3 adopts wedge shape filter bag modular construction, and each unit module can independently be changed; Flooding nozzle 7 is arranged in wedge shape filter bag upper space; Filter bag adopts flushable, high temperature resistant material; Air filter top is also provided with rapping apparatus 8 and wash tub pipe 6.
As shown in Figure 2, described access opening 11 covers whole case top, convenient maintenance and replacing air filter 3 module, quantity >=2.
Described explosion venting device 12 is installed on housing upper space 4 and lower space 5 sidewall, adopts openable structure, doublely can enter the access opening use of internal space maintenance, renewal part, quantity >=2.
Described pressure measurement and warning device 14 are installed on gas approach and outlet position respectively, for measuring the resistance of above-mentioned strainer 3, when measured inlet outlet pressure differential exceedes certain limit, and automatic alarm.
The filter method of a converter of the present invention smoke filter, comprises the following steps:
The flue gas produced when Converter Oxigen Blowing is smelted is after wet sprinkling washing or the cooling of dry method transpiration cooling technique, first enter lower housing portion enclosed space 5 by described inlet tube 1, after described air filter 3 purification filtering, enter housing upper enclosed space 4, then discharged by described outlet pipe 2.
When the non-oxygen blast of converter is smelted and is not produced a flue gas, the valve that described strainer top wash tub pipe 6 and sewage pipe 9 are arranged is opened automatically, strainer top rapping apparatus 8 is opened simultaneously, described air filter 3 is rinsed, rapping and blowdown, the dust that air filter 3 filter bag traps is by rinse and rapping is discharged by described lower case blow-off pipe 9; Valve and rapping apparatus are opened after in 1 ~ 2min and are automatically closed, and terminate that strainer rinses, rapping and blowdown.
For preventing sewage pipe from blocking, the valve that lower housing portion wash tub pipe 10 is arranged regularly is opened, and realizes the periodic flushing to sewage pipe 9.
After above-mentioned strainer uses for some time, if the filter bag that air filter 3 occurs blocks or breaks, filter resistance can be caused to change, trigger pressure tester 14 automatic alarm, remind user of service to change air filter module 3.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (5)
1. converter filtrating equipment of flue gas, it is characterized in that, comprise filter body, smoke inlet pipe, smoke outlet tube, bottom support, explosion venting device, access opening, flushable air filter, wash tub pipe and nozzle, sewage pipe, rapping apparatus, pressure measurement and warning device; Described flushable air filter is installed in housing, housing is divided into upper and lower two enclosed spaces, and flue gas is discharged from housing upper smoke outlet tube after lower housing portion smoke inlet pipe passes into filter; Pressure measurement and warning device are also equipped with in smoke inlet pipe and outlet pipe place; Access opening is arranged on case top and sidewall; Explosion venting device is arranged on housing upper space and lower space sidewall; Rapping apparatus, wash tub pipe and nozzle are also equipped with in flushable air filter top; Sewage pipe and wash tub pipe are arranged on housing bottom; Described wash tub pipe, sewage pipe are also provided with electronic or pneumatic on-off valve.
2. a kind of converter according to claim 1 filtrating equipment of flue gas, is characterized in that, described flushable filtering element for air filter adopts wedge shape filter bag modular construction, and each unit module can independently be changed; Described nozzle is arranged in wedge shape filter bag upper space; Described wedge shape filter bag adopts flushable, resistant to elevated temperatures material to make; Described air filter top is provided with rapping apparatus and wash tub pipe.
3. a kind of converter according to claim 1 filtrating equipment of flue gas, it is characterized in that, described access opening covers whole case top, and quantity is two or more.
4. a kind of converter according to claim 1 filtrating equipment of flue gas, is characterized in that, described explosion venting device is installed on housing upper space and lower space sidewall, and adopt openable structure, quantity is two or more.
5. the filter method of a converter flue gas, it is characterized in that, the flue gas produced when comprising the steps: that Converter Oxigen Blowing is smelted is after wet sprinkling washing or the cooling of dry method transpiration cooling technique, first enter lower housing portion enclosed space by described smoke inlet pipe, after described flushable air filter purification filtering, enter housing upper enclosed space, then discharged by described smoke outlet tube.
When the non-oxygen blast of converter is smelted and is not produced a flue gas, the valve that described flushable air filter top wash tub pipe and sewage pipe are arranged is opened automatically, flushable air filter top rapping apparatus is opened simultaneously, described flushable air filter is rinsed, rapping and blowdown, the dust that wedge shape filter bag traps is by rinse and rapping is discharged by described sewage pipe; Valve and rapping apparatus are opened after in 1 ~ 2min and are automatically closed, and terminate that strainer rinses, rapping and blowdown.
For preventing sewage pipe from blocking, the valve that lower housing portion wash tub pipe is arranged regularly is opened, and realizes the periodic flushing to sewage pipe.
After above-mentioned flushable air filter uses for some time, block if there is air filter filter bag or break, flushable air filter change in resistance can be caused, triggering pressure measurement and warning device automatic alarm, reminding user of service to change air filter module.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510995237.2A CN105506215B (en) | 2015-12-25 | 2015-12-25 | A kind of filtrating equipment of flue gas of converter and filter method |
| DE102016124974.2A DE102016124974A1 (en) | 2015-12-25 | 2016-12-20 | Einphasenpermanentmagnetmotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510995237.2A CN105506215B (en) | 2015-12-25 | 2015-12-25 | A kind of filtrating equipment of flue gas of converter and filter method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105506215A true CN105506215A (en) | 2016-04-20 |
| CN105506215B CN105506215B (en) | 2019-01-04 |
Family
ID=55714504
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510995237.2A Active CN105506215B (en) | 2015-12-25 | 2015-12-25 | A kind of filtrating equipment of flue gas of converter and filter method |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN105506215B (en) |
| DE (1) | DE102016124974A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109019921A (en) * | 2018-08-17 | 2018-12-18 | 安徽信息工程学院 | Filter device |
| CN110585830A (en) * | 2019-10-10 | 2019-12-20 | 攀钢集团钒钛资源股份有限公司 | System for wet dust removal of tail gas of rotary kiln |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114696484A (en) * | 2020-12-30 | 2022-07-01 | 广东美的白色家电技术创新中心有限公司 | Motor stator and motor |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1847410A (en) * | 2005-04-04 | 2006-10-18 | 中国京冶建设工程承包公司 | Converter fume cooling and dedusting method |
| CN201427975Y (en) * | 2009-06-30 | 2010-03-24 | 中冶京诚工程技术有限公司 | Temperature cooler for converter gas |
| CN101812563A (en) * | 2009-02-24 | 2010-08-25 | 李怡然 | High-temperature dust-removing device for processing converter gas |
| CN203417545U (en) * | 2013-08-21 | 2014-02-05 | 南京侨兴环保设备有限公司 | Bag dust remover |
| CN203556233U (en) * | 2013-11-25 | 2014-04-23 | 巫溪县渝星建材有限责任公司 | Dust removal device |
| CN203935739U (en) * | 2014-07-15 | 2014-11-12 | 覃平 | A kind of device for air cleaning |
-
2015
- 2015-12-25 CN CN201510995237.2A patent/CN105506215B/en active Active
-
2016
- 2016-12-20 DE DE102016124974.2A patent/DE102016124974A1/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1847410A (en) * | 2005-04-04 | 2006-10-18 | 中国京冶建设工程承包公司 | Converter fume cooling and dedusting method |
| CN101812563A (en) * | 2009-02-24 | 2010-08-25 | 李怡然 | High-temperature dust-removing device for processing converter gas |
| CN201427975Y (en) * | 2009-06-30 | 2010-03-24 | 中冶京诚工程技术有限公司 | Temperature cooler for converter gas |
| CN203417545U (en) * | 2013-08-21 | 2014-02-05 | 南京侨兴环保设备有限公司 | Bag dust remover |
| CN203556233U (en) * | 2013-11-25 | 2014-04-23 | 巫溪县渝星建材有限责任公司 | Dust removal device |
| CN203935739U (en) * | 2014-07-15 | 2014-11-12 | 覃平 | A kind of device for air cleaning |
Non-Patent Citations (1)
| Title |
|---|
| 张学助等: "《通风空调工长手册》", 31 December 1998, 中国建筑工业出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109019921A (en) * | 2018-08-17 | 2018-12-18 | 安徽信息工程学院 | Filter device |
| CN110585830A (en) * | 2019-10-10 | 2019-12-20 | 攀钢集团钒钛资源股份有限公司 | System for wet dust removal of tail gas of rotary kiln |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102016124974A1 (en) | 2017-06-29 |
| CN105506215B (en) | 2019-01-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203750323U (en) | Pulse bag type warehouse roof dust remover | |
| CN105506215A (en) | Converter primary smoke filtering device and filtering method | |
| CN105463153B (en) | A kind of converter gas purification recovery system and method | |
| CN201543381U (en) | Wet desulfuration dedusting device | |
| CN106178757B (en) | Silicon carbide smelting gas sampling purification device | |
| CN205925251U (en) | Explosion -proof pulse dust collector | |
| CN206715634U (en) | A kind of desulfuration spray tower | |
| CN201551960U (en) | Wet-type desulphurization duster | |
| CN205391983U (en) | Pulse dust removal equipment with dust removal condition monitoring function | |
| CN210845799U (en) | Scale inhibition grid for purification device | |
| KR101697095B1 (en) | Seal tank in gas clean line for preventing hinderance of dust | |
| CN208898803U (en) | A kind of oven top of coke oven smoke guide device | |
| CN209173617U (en) | A kind of new and effective desulphurizing and dust-removing integral rotating stream tray scrubber | |
| CN208389773U (en) | A kind of condensing type heating stove wet-desulfurizing dust remover | |
| CN206325359U (en) | A kind of twin-stage Water-bath silk net efficiency dust catcher | |
| CN203139849U (en) | Wet dust removal device for production process of superfine sodium sulfate | |
| CN205275540U (en) | Coal gas filter equipment is used in laboratory | |
| CN201711050U (en) | On-line broken bag blockage device for pulse jet bag type dust collector | |
| CN220609700U (en) | Fume purifier | |
| CN205019885U (en) | Exhaust purification condenser | |
| CN205391967U (en) | Can improve dust collection efficiency and life's dust pelletizing system | |
| CN204676111U (en) | A kind of sack cleaner for converter dry dust-removal system | |
| CN204601953U (en) | Tail gas clean-up absorption tower | |
| CN220194399U (en) | Waste gas treatment system | |
| CN212039650U (en) | Dust removal purification equipment of waste gas |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |