CN201145403Y - Hot-air furnace drying apparatus - Google Patents
Hot-air furnace drying apparatus Download PDFInfo
- Publication number
- CN201145403Y CN201145403Y CNU2007201443464U CN200720144346U CN201145403Y CN 201145403 Y CN201145403 Y CN 201145403Y CN U2007201443464 U CNU2007201443464 U CN U2007201443464U CN 200720144346 U CN200720144346 U CN 200720144346U CN 201145403 Y CN201145403 Y CN 201145403Y
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- CN
- China
- Prior art keywords
- coke
- stove gas
- burner
- oven gas
- stove
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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.)
- Expired - Fee Related
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- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The utility model relates to a stove baking device, in particular to a hot blast stove baking device, which mainly solves the technical problems that the prior hot blast stove baking device has complex structure as well as high cost and can be used for only one time. The utility model comprises the following technical proposal that: the hot blast stove baking device comprises a burner; the burner is formed by two concentric round pipes; an ignition gun and a flame detecting thermocouple are arranged on the burner; the burner is connected with a coke-oven gas main pipe; the flame detecting thermocouple is arranged in an inner cavity of a hot blast stove. One of the two concentric round pipes is a low-flow coke-oven gas pipe, and the other one is a high-flow coke-oven gas pipe; a low-flow coke-oven gas stop valve and a low-flow coke-oven gas regulating valve are arranged on the low-flow coke-oven gas pipe; a high-flow coke-oven gas stop valve and a high-flow coke-oven gas regulating valve are arranged on the high-flow coke-oven gas pipe; a flow meter and a pressure gauge are arranged on a pipe connected with the burner; a coke-oven gas stop valve is arranged between the flow meter and the coke-oven gas main pipe. The device is suitable for baking newly-built or overhauled hot blast stoves before use.
Description
Technical field:
The utility model relates to a kind of furnace drying device, particularly a kind of dry-off oven device for blast furnace.
Background technology:
The furnace drying device of traditional hot wind furnace: adopt the furnace drying device of band PLC, comprise facilities such as furnace drying device body, regenerator fire grate cooling system, combustion medium pipe-line system and measuring and adjusting system; Device body is provided with the interface and the hand-hole of three burners that have a burner, diluent air annular bellows, combustion medium pipeline.Traditional furnace drying device equipment complexity is invested higher; Can only once use, baker finishes this device just to be scrapped, and has waste; Owing to have the PLC device, this device also needs to debug before coming into operation, and loses time.
The utility model content: the purpose of this utility model provides a kind of dry-off oven device for blast furnace.Mainly there is complex structure in the existing dry-off oven device for blast furnace of solution, the cost height can only nonrecoverable technical problem.
The technical solution of the utility model is: a kind of dry-off oven device for blast furnace, include burner, burner is made up of two concentric pipes, and burning torch and a flame detecting thermocouple are housed on the burner, burner connects coke-stove gas and is responsible for, and the flame detecting thermocouple is arranged on the hot-blast stove inner chamber.
One in two concentric pipes is low discharge coke-stove gas pipe, another is a high flow capacity coke-stove gas pipe, low discharge coke-stove gas stop valve and low discharge coke-stove gas control valve are housed on the low discharge coke-stove gas pipe, high flow capacity coke-stove gas stop valve and high flow capacity coke-stove gas control valve are housed on the high flow capacity coke-stove gas pipe, with on the tube connector of burner flowmeter, pressure gauge are housed, flowmeter and coke-stove gas are equipped with the coke-stove gas stop valve between being responsible for.
Combustion fan is connected the back successively with the combustion fan person in charge, combustion air flow meter, combustion air control valve, combustion air stop valve and feeds the hot-blast stove bottom.Draw combustion air between combustion fan and the combustion fan person in charge tube connector and diffuse valve.Draw cool furnace double-edged fine-toothed comb anti-blowpipe between combustion air flow meter and the combustion air control valve tube connector, its tail end is established cool furnace double-edged fine-toothed comb back-flushing valve.
Hot-blast stove bottom manhole connects U-tube manometer.
The utility model beneficial effect is: because this practical furnace drying device adopts extra burner structure, and on the tube connector of burner flowmeter, pressure gauge are housed, on the high and low flow coke oven gas pipe stop valve and electric flow control valve are installed respectively.Flame temperature, dome temperature, silica brick interface temperature and EGT are provided by the system that hot-blast stove carries.All bakers are all delivered to centralized displaying on the interior interim baker panel of master-control room with interim temperature, flow parameter.Two groups of coke-stove gas flows all can be regulated on the baker panel.The U-shaped pressure gauge is installed on the manhole of hot-blast stove bottom, by the aperture of control chimney valve, is guaranteed pressure-fired (about the 5mm water column) in the stove between drying-out period.Combustion air adopts combustion fan and existing system supply and adjusting.Simple to operate, safe and reliable, the temperature precise control, furnace drying device can be reused, and equipment investment is less.
Description of drawings:
Accompanying drawing is the utility model structural representation
Among the figure: the 1-extra burner; The 2-burning torch; The 3-coke-stove gas is responsible for; The 4-combustion air is responsible for; 5-coke-stove gas flowmeter; 6-coke-stove gas stop valve; 7-low discharge coke-stove gas stop valve; 8-high flow capacity coke-stove gas stop valve; 9-low discharge coke-stove gas control valve; 10-high flow capacity coke-stove gas control valve; The 11-combustion fan; 12-combustion air flow meter; 13-combustion air stop valve; 14-combustion air control valve; The 15-chimney valve; The 16-breaching; 17-cool furnace grate back-flushing valve; 18-flame detecting thermocouple; 19-flame temperature meter; 20-dome temperature meter; 21-cool furnace grate anti-blowpipe; 22-silica brick interface temperature meter; 23-EGT meter; The 24-combustion air diffuses valve; 25-low discharge coke oven gas pipe; 26-high flow capacity coke oven gas pipe; 27-U shape pipe pressure meter, the 28-pressure gauge.
The specific embodiment:
With reference to accompanying drawing, a kind of dry-off oven device for blast furnace includes burner 1, burner is made up of two concentric pipes, burning torch 2 and a flame detecting thermocouple 18 are housed on the burner, and flame detecting thermocouple 18 is arranged on the hot-blast stove inner chamber, and burner connects coke-stove gas and is responsible for 3.A diameter in two concentric pipes is 88.9mm, flow (0～350Nm3/h) low discharge coke-stove gas pipe 25, another diameter is 168.3mm, flow (350～700Nm3/h) high flow capacity coke-stove gas pipe 26, low discharge coke-stove gas stop valve 7 and low discharge coke-stove gas control valve 9 are housed on the low discharge coke-stove gas pipe, high flow capacity coke-stove gas stop valve 8 and high flow capacity coke-stove gas control valve 10 are housed on the high flow capacity coke-stove gas pipe, with on the tube connector of burner coke-stove gas flowmeter 5 is housed, pressure gauge 28, coke-stove gas flowmeter 5 and coke-stove gas are responsible for 3 coke-stove gas stop valve 6 are housed.
Combustion fan 11 is connected the back successively with the combustion fan person in charge 4, combustion air flow meter 12, combustion air control valve 14, combustion air stop valve 13 and feeds the hot-blast stove bottom.Combustion fan 11 and combustion fan are responsible for and are drawn combustion air between 4 tube connectors and diffuse valve 24.Draw cool furnace double-edged fine-toothed comb anti-blowpipe 21 between combustion air flow meter 12 and combustion air control valve 14 tube connectors, its tail end is established cool furnace double-edged fine-toothed comb back-flushing valve 17.Hot-blast stove bottom manhole connects U-tube manometer 27.The hot-blast stove top is provided with dome temperature meter 20, and hot-blast stove waist furnace chamber is provided with flame temperature meter 19, and the hot-blast stove furnace wall is provided with silica brick interface temperature meter 22.
The exhaust gas of hot-blast stove outlet is provided with EGT meter 23, chimney valve 15, the breaching 16 that connects successively.
After being responsible for, coke-stove gas connects two kinds of different pipelines of aperture coke-stove gas of logical high and low flow respectively; The coke-stove gas of two kinds of flows all enters the combustion chamber of hot-blast stove by extra burner, air enters the burner of hot-blast stove from air duct.Manhole connects U-tube manometer 27 in the bottom of regenerator, measures the hot-blast stove internal pressure.
Claims (5)
1, a kind of dry-off oven device for blast furnace, include burner, it is characterized in that burner is made up of two concentric pipes, burning torch and a flame detecting thermocouple are housed on the burner, burner connects coke-stove gas and is responsible for, and the flame detecting thermocouple is arranged on the hot-blast stove inner chamber.
2, a kind of dry-off oven device for blast furnace according to claim 1, it is characterized in that one in two concentric pipes is low discharge coke-stove gas pipe, another is a high flow capacity coke-stove gas pipe, low discharge coke-stove gas stop valve and low discharge coke-stove gas control valve are housed on the low discharge coke-stove gas pipe, high flow capacity coke-stove gas stop valve and high flow capacity coke-stove gas control valve are housed on the high flow capacity coke-stove gas pipe, with on the tube connector of burner flowmeter, pressure gauge are housed, flowmeter and coke-stove gas are equipped with the coke-stove gas stop valve between being responsible for.
3, a kind of dry-off oven device for blast furnace according to claim 1, it is characterized in that furnace drying device also is provided with combustion-supporting mechanism, the combustion fan of combustion-supporting mechanism is connected the back successively with the combustion fan person in charge, combustion air flow meter, combustion air control valve, combustion air stop valve and feeds the hot-blast stove bottom, draws combustion air between combustion fan and the combustion fan person in charge tube connector and diffuses valve.
4, a kind of dry-off oven device for blast furnace according to claim 3 is characterized in that drawing cool furnace double-edged fine-toothed comb anti-blowpipe between combustion air flow meter and the combustion air control valve tube connector, and its tail end is established cool furnace double-edged fine-toothed comb back-flushing valve.
5, a kind of dry-off oven device for blast furnace according to claim 1 is characterized in that the hot-blast stove bottom is provided with manhole, and manhole connects U-tube manometer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201443464U CN201145403Y (en) | 2007-12-11 | 2007-12-11 | Hot-air furnace drying apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201443464U CN201145403Y (en) | 2007-12-11 | 2007-12-11 | Hot-air furnace drying apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201145403Y true CN201145403Y (en) | 2008-11-05 |
Family
ID=40082285
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201443464U Expired - Fee Related CN201145403Y (en) | 2007-12-11 | 2007-12-11 | Hot-air furnace drying apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201145403Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101649225B (en) * | 2009-08-31 | 2012-11-14 | 水煤浆气化及煤化工国家工程研究中心 | Hot wall type gasifier baker control system |
| CN108315520A (en) * | 2018-05-09 | 2018-07-24 | 秦皇岛秦冶重工有限公司 | Hot-blast stove baking oven system, blast oven system and furnace drying method |
| CN108823344A (en) * | 2018-08-09 | 2018-11-16 | 上海二十冶建设有限公司 | The method for dismounting of dry-off oven device for blast furnace under a kind of restricted clearance |
| CN111876543A (en) * | 2020-06-07 | 2020-11-03 | 广东韶钢松山股份有限公司 | Improved top combustion type hot blast stove rapid drying optimization method |
-
2007
- 2007-12-11 CN CNU2007201443464U patent/CN201145403Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101649225B (en) * | 2009-08-31 | 2012-11-14 | 水煤浆气化及煤化工国家工程研究中心 | Hot wall type gasifier baker control system |
| CN108315520A (en) * | 2018-05-09 | 2018-07-24 | 秦皇岛秦冶重工有限公司 | Hot-blast stove baking oven system, blast oven system and furnace drying method |
| CN108823344A (en) * | 2018-08-09 | 2018-11-16 | 上海二十冶建设有限公司 | The method for dismounting of dry-off oven device for blast furnace under a kind of restricted clearance |
| CN111876543A (en) * | 2020-06-07 | 2020-11-03 | 广东韶钢松山股份有限公司 | Improved top combustion type hot blast stove rapid drying optimization method |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081105 Termination date: 20161211 |