CN204125470U - For the device of heating furnace coal gas - Google Patents
For the device of heating furnace coal gas Download PDFInfo
- Publication number
- CN204125470U CN204125470U CN201290000787.6U CN201290000787U CN204125470U CN 204125470 U CN204125470 U CN 204125470U CN 201290000787 U CN201290000787 U CN 201290000787U CN 204125470 U CN204125470 U CN 204125470U
- Authority
- CN
- China
- Prior art keywords
- blast furnace
- gas
- vertical tube
- temperature
- furnace gas
- 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
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B7/00—Blast furnaces
- C21B7/002—Evacuating and treating of exhaust gases
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B1/00—Shaft or like vertical or substantially vertical furnaces
- F27B1/10—Details, accessories, or equipment peculiar to furnaces of these types
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
- F27D17/001—Extraction of waste gases, collection of fumes and hoods used therefor
- F27D17/002—Details of the installations, e.g. fume conduits or seals
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B2100/00—Handling of exhaust gases produced during the manufacture of iron or steel
- C21B2100/60—Process control or energy utilisation in the manufacture of iron or steel
- C21B2100/64—Controlling the physical properties of the gas, e.g. pressure or temperature
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Metallurgy (AREA)
- Manufacturing & Machinery (AREA)
- Environmental & Geological Engineering (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
- Blast Furnaces (AREA)
- Regulation And Control Of Combustion (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
Abstract
The utility model relates to a kind of blast furnace (1), there is high furnace head (5) and vertical tube (6), it is for discharging blast furnace gas from high furnace head (5), wherein go up at high furnace head (5) and/or be provided with at least one burner (11) in vertical tube (6), its combustion exhaust can mix with the blast furnace gas of high furnace head (5) above and/or in vertical tube (6).
Description
Technical field
The utility model relates to a kind of device, to appear on high furnace head and the temperature of the blast furnace gas of being discharged from blast furnace by vertical tube for improving in blast furnace.
Background technology
Operation scheme due to blast furnace makes the blast furnace gas of blast furnace be in temperature fluctuation, such as, due to the downslide of the difference in furnace charge mixture, filler, the difference of furnace charge air permeability, the air quantity difference added, the wind-warm syndrome difference that adds.In addition the envrionment temperature around these equipment is also important factor: the blast furnace gas of discharging from high furnace head with the temperature determined generally is not less than dew point for continuing guiding and treating plant rearmounted when high ambient temperature, and the dangerous increase when low envrionment temperature, namely because violent cooling causes lower than dew point.Often bring variation of ambient temperature according to climate condition or season.The change of envrionment temperature also additionally has influence on thus, when lower envrionment temperature by colder and may be added in blast furnace by moister furnace charge.Other causes the situation of the temperature of relatively low blast furnace gas to be such as starting and the stopping of blast furnace, or furnace charges many is especially loaded into the operation conditions in blast furnace.Correspondingly be placed on blast furnace for continue guide and purification blast furnace gas equipment in be not total energy ensure, the blast furnace gas that they are positioned at more than blast furnace gas dew point by temperature is through-flow.
Less desirable lower than dew point, because etching problem may be produced in post equipment due to condensation related to this.Must ensure to want cleaned gas temperature more than dew point when using the fabric filter of dry purification gas, otherwise fabric filter may be caused to bond due to condensation, the gas permeability of this reduction fabric filter and damage fabric filter.
The known temperature regulating blast furnace gas thus, namely changes the compactedness of blast furnace.Be blown into hot blast in blast furnace when low compactedness than in high compactedness time provide the filler of less energy to blast furnace.Correspondingly blast furnace gas has higher temperature when low compactedness.But this adjustment is slow.In addition defect still, can not make full use of blast furnace and correspondingly to run wastefully, with lower efficiency when low compactedness.
Utility model content
The purpose of this utility model is, provides a kind of device, and it provides a kind of scheme for regulating to change the temperature of carrying out blast furnace gas based on compactedness, and overcomes its defect.
This object is realized by a kind of blast furnace, this blast furnace has high furnace head and vertical tube, it is for discharging blast furnace gas from high furnace head, it is characterized in that, on high furnace head and/or in vertical tube, be provided with at least one burner, its combustion exhaust can mix with the blast furnace gas on high furnace head and/or in vertical tube.Described burner is such as high velocity burner.
On high furnace head and/or vertical tube, be preferably provided with the device of the temperature for detecting blast furnace gas, such as thermometer.
Device is provided with, for regulating the amount be mixed in blast furnace gas of the combustion exhaust of burner according to an embodiment.
Device is provided with according to another embodiment, for based on the information provided by the device of the temperature for detecting the blast furnace gas on high furnace head and/or on vertical tube, regulate the device being mixed into the amount in blast furnace gas for regulating the combustion exhaust of burner.
This blast furnace by a kind of for improve occur on high furnace head in blast furnace and the method for the temperature of the blast furnace gas of being discharged from blast furnace by vertical tube run, it is characterized in that, described blast furnace gas mixes with the combustion exhaust of the burner be placed on high furnace head and/or vertical tube from least one on high furnace head and/or in vertical tube, and wherein said combustion exhaust has the temperature higher than blast furnace gas.
Blast furnace gas is called with the fuel gas mixture that combustion exhaust obtains is same in present specification by mixing blast furnace gas.
Described burner is arranged on high furnace head or in vertical tube.Between hot combustion exhaust and blast furnace gas, the well blend with blast furnace gas can be realized during high speed difference especially, very rapidly improve the temperature of blast furnace gas thus.In the burner as combustion gases such as gas-firing and air, make combustion exhaust due to the oxygen in air and CH thus
4reaction is containing CO
2and H
2o, wherein combustion exhaust is yet containing the nitrogen from air.
The temperature that blast furnace efficient regulates blast furnace gas can be reduced fast and not in this way.
Because slightly select blast furnace compactedness in highland when regulating the temperature of blast furnace gas according to the utility model without the need to the selection with considering the temperature of blast furnace gas than actual capabilities, blast furnace is run with higher filling degree.Correspondingly make full use of hot blast better and improve the high efficiency of furnace.
According to the preferred embodiment of the utility model method, only when threshold value lower than preliminary election of the temperature of described blast furnace gas, the blast furnace gas on high furnace head and/or in vertical tube just mixes with the combustion exhaust of the burner be placed on high furnace head and/or vertical tube from least one.Mix than enduringly in this way and economically use burner.
Advantageously be provided with flame monitor in the burner, such as UV battery, ion electrode.
Regulate the energy added by combustion exhaust according to the temperature target of preliminary election according to an embodiment.
According to an embodiment by regulating the amount of combustion exhaust, regulate the energy added.
Accompanying drawing explanation
The utility model explained by schematic and exemplary accompanying drawing below by means of a kind of embodiment.In accompanying drawing:
Fig. 1 illustrates the blast furnace according to the utility model embodiment.
Embodiment
Fig. 1 shows out blast furnace 1, and it is full of with filler 2.Hot blast 3 is blown in filler 2 by hot-blast spray nozzle 4.The blast furnace gas represented by straight arrow is discharged from filler, to be collected on high furnace head 5 and to be discharged from high furnace head by vertical tube 6.By pipeline 7 then, blast furnace gas is transported to cleaning apparatus 8, it comprises cyclonic separator 9 and fabric filtration equipment 10 in the example shown.Not only at high furnace head 5 but also be provided with burner 11 in vertical tube 6.The combustion exhaust (being represented by wavy arrow) of these burners is mixed with blast furnace gas and improves the temperature of blast furnace gas thus.High furnace head is provided with the device 12 of the temperature for detecting the blast furnace gas on high furnace head.Vertical tube is provided with the device 13 for detecting the blast furnace gas temperature on vertical tube.Be provided with the device 16 being mixed into the amount of blast furnace gas for regulating the combustion exhaust of burner equally.By circuit 14 and 15, these circuits can physically be provided with, or can be the transmission of wireless signal or other signal, for the device 12 of the temperature of the blast furnace gas detected on high furnace head with based on the device 13 of the temperature detecting the blast furnace gas on vertical tube, supply information to the device being mixed into the amount of blast furnace gas for regulating the combustion exhaust of burner.
To illustrate on high furnace head and burner in vertical tube.In principle also can only on high furnace head or be only provided with burner in vertical tube.
Although illustrated in detail by preferred embodiment and explain the utility model, the utility model is not limited to disclosed example and can derives other change thus by professional, and does not leave protection domain of the present utility model.
List of numerals
1 blast furnace
2 fillers
3 hot blasts
4 hot-blast spray nozzles
5 high furnace heads
6 vertical tubes
7 pipelines
8 cleaning apparatuss
9 cyclonic separators
10 fabric filtration equipment
11 burners
12 for detecting the device of the temperature of the blast furnace gas on high furnace head
13 for detecting the device of the temperature of the blast furnace gas on vertical tube
14 circuits
15 circuits
16 for regulating the device being mixed into the amount in blast furnace gas of the combustion exhaust of burner.
Claims (4)
1. blast furnace (1), there is high furnace head (5) and vertical tube (6), it is for discharging blast furnace gas from high furnace head (5), it is characterized in that, go up at high furnace head (5) and/or be provided with at least one burner (11) in vertical tube (6), its combustion exhaust can mix with the blast furnace gas of high furnace head (5) above and/or in vertical tube (6).
2. blast furnace as claimed in claim 1, is characterized in that, high furnace head and/or vertical tube are provided with device (12) (13) of the temperature for detecting blast furnace gas.
3. blast furnace as claimed in claim 1 or 2, is characterized in that, be provided with device, for regulating the amount be mixed in blast furnace gas of the combustion exhaust of burner (16).
4. blast furnace as claimed in claim 3, it is characterized in that, be provided with device, based on the information that device (12) (13) of the temperature for the blast furnace gas detected on high furnace head and/or on vertical tube provide, regulate the device being mixed into the amount in blast furnace gas of the combustion exhaust for regulating burner (16).
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ATA1244/2011 | 2011-08-31 | ||
| ATA1244/2011A AT511202B1 (en) | 2011-08-31 | 2011-08-31 | METHOD AND DEVICE FOR GAS-GAS HEATING |
| PCT/EP2012/066317 WO2013030056A2 (en) | 2011-08-31 | 2012-08-22 | Method and device for furnace gas heating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204125470U true CN204125470U (en) | 2015-01-28 |
Family
ID=46800174
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201290000787.6U Expired - Fee Related CN204125470U (en) | 2011-08-31 | 2012-08-22 | For the device of heating furnace coal gas |
Country Status (8)
| Country | Link |
|---|---|
| CN (1) | CN204125470U (en) |
| AT (1) | AT511202B1 (en) |
| FI (1) | FI10427U1 (en) |
| PL (2) | PL68425Y1 (en) |
| RU (1) | RU147687U1 (en) |
| SK (1) | SK7130Y1 (en) |
| UA (1) | UA92828U (en) |
| WO (1) | WO2013030056A2 (en) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6213508A (en) * | 1985-07-11 | 1987-01-22 | Ishikawajima Harima Heavy Ind Co Ltd | Waste heat recovering installation for hot stove |
| BE1001482A4 (en) * | 1988-03-09 | 1989-11-07 | Metallurgie Hoboken | METHOD AND SYSTEM FOR THE TREATMENT OF A GAS FLOW pyrophoric SUBSTANCE THAT CONTAINS. |
| US5234490A (en) * | 1991-11-29 | 1993-08-10 | Armco Inc. | Operating a blast furnace using dried top gas |
| DE102004036767B4 (en) * | 2003-07-30 | 2005-11-24 | Scheidig, Klaus, Dr.-Ing. | Process for the production of pig iron in a blast-furnace operated with oxygen and recycled, from the liberated CO2, with the addition of hydrocarbons |
| JP4563242B2 (en) * | 2005-04-19 | 2010-10-13 | 三菱重工業株式会社 | Fuel gas calorie control method and apparatus |
| KR100703557B1 (en) * | 2005-12-21 | 2007-04-03 | 주식회사 포스코 | A mixing method of off-gases from steel works to reduce fluctuation of the heating value of the mixed gas |
| CZ22736U1 (en) * | 2008-09-26 | 2011-09-26 | Siemens Vai Metals Technologies Gmbh | Method of and apparatus for dry dust collection and for gas purification when producing iron or during coal gasification |
-
2011
- 2011-08-31 AT ATA1244/2011A patent/AT511202B1/en not_active IP Right Cessation
-
2012
- 2012-08-22 UA UAU201402093U patent/UA92828U/en unknown
- 2012-08-22 PL PL123731U patent/PL68425Y1/en unknown
- 2012-08-22 RU RU2014112094/02U patent/RU147687U1/en active
- 2012-08-22 SK SK5008-2014U patent/SK7130Y1/en unknown
- 2012-08-22 PL PL122871U patent/PL68131Y1/en unknown
- 2012-08-22 CN CN201290000787.6U patent/CN204125470U/en not_active Expired - Fee Related
- 2012-08-22 WO PCT/EP2012/066317 patent/WO2013030056A2/en active Application Filing
-
2013
- 2013-12-10 FI FIU20134265U patent/FI10427U1/en not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| WO2013030056A2 (en) | 2013-03-07 |
| RU147687U1 (en) | 2014-11-20 |
| PL123731U1 (en) | 2015-04-27 |
| UA92828U (en) | 2014-09-10 |
| WO2013030056A3 (en) | 2013-06-20 |
| AT511202A4 (en) | 2012-10-15 |
| AT511202B1 (en) | 2012-10-15 |
| PL68425Y1 (en) | 2016-05-31 |
| SK50082014U1 (en) | 2014-12-04 |
| PL122871U1 (en) | 2014-07-21 |
| PL68131Y1 (en) | 2015-12-31 |
| FI10427U1 (en) | 2014-03-28 |
| SK7130Y1 (en) | 2015-05-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103375997B (en) | Method for regulating and controlling circulating flue-gas temperature and oxygen content | |
| CN103418360B (en) | A kind of desulphurization denitration active coke regeneration device and method | |
| KR101534589B1 (en) | Method of operating regenerative heaters in blast furnace plant | |
| CN109174070B (en) | Activated carbon analysis tower and activated carbon analysis method | |
| CN106871156A (en) | A kind of environmentally friendly combustion control system | |
| CN203349293U (en) | Blended pulverized coal combustion controlling device | |
| CN109499556B (en) | Anti-scaling activated carbon desorption tower and desorption method thereof | |
| CN204125470U (en) | For the device of heating furnace coal gas | |
| CN103320561A (en) | Hot-blast stove system for high air temperature by using pure blast furnace gas and method thereof | |
| CN103234350A (en) | Hot air supply system for belt type roasting machine | |
| CN116516092B (en) | Waste flue gas recycling system of hot blast stove | |
| CN101377381A (en) | Method and apparatus for processing high temperature flue gas of petroleum coke calcined by rotary kiln | |
| CN104633637B (en) | A kind of coal-burning boiler system | |
| CN104154553A (en) | Flue gas treatment device | |
| CN203784990U (en) | High-temperature low-oxygen combustion apparatus | |
| CN101441034A (en) | Method and device for purifying enclosed calcium carbide furnace gas | |
| CN104075583B (en) | A kind of alumina roasting furnace dust arrester installation and method | |
| CN209379007U (en) | A kind of novel absorbent charcoal Analytic Tower | |
| KR101385851B1 (en) | Fluidized bed boiler and combustion controlling method using the same | |
| CN206996226U (en) | A kind of flue gas during smelting desulfation dust-extraction device with flue gas cool-down mechanism | |
| CN105488586A (en) | Inlet SO<2> concentration-based FGD mode determining method for coal-powder boiler ultra-low discharge system | |
| CN104373933A (en) | Circulating fluidized bed boiler system and combustion air-supply method for low nitrogen oxide discharge | |
| CN105063345A (en) | Control method of H2O (g) in sintering gas on high-proportion flue gas circulation condition | |
| CN206056314U (en) | A kind of blood circulation for improving flash furnace west heat boiler operating rate | |
| CN110260348B (en) | Low-temperature corrosion prevention process system and method for bypass preheating flue gas heat exchanger of hot blast stove |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20151225 Address after: Linz Patentee after: The Austrian limited liability company of primary metal science and technology Address before: Linz Patentee before: Siemens VAI metal technology limited liability company |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150128 Termination date: 20200822 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |