CN205893301U - Blast furnace top device of fetching water - Google Patents
Blast furnace top device of fetching water Download PDFInfo
- Publication number
- CN205893301U CN205893301U CN201620847035.3U CN201620847035U CN205893301U CN 205893301 U CN205893301 U CN 205893301U CN 201620847035 U CN201620847035 U CN 201620847035U CN 205893301 U CN205893301 U CN 205893301U
- Authority
- CN
- China
- Prior art keywords
- blast furnace
- aqueous vapor
- injection device
- furnace roof
- water injection
- 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.)
- Active
Links
Landscapes
- Nozzles (AREA)
Abstract
The utility model discloses a blast furnace top device of fetching water, the device is including the pipy rifle of fetching water, aqueous vapor access mechanism, the rifle of fetching water is including being located the intramural head section of blast furnace stove, and lie in the extramural afterbody section of blast furnace stove, the end seal of head section, the little round hole that has a plurality of evenly distributed is opened to first pipe wall of head section, the aqueous vapor insert the mechanism with the afterbody section is connected, the aqueous vapor inserts the mechanism and includes the aqueous vapor diverter valve. The device can effectively reduce sweeping gas's use, and is energy -concerving and environment -protective, and the sweeping gas spraying pressure and the velocity of flow are big, can effectively improve dustproof effect, the droplet is less, sprays evenly, need not set up the shower nozzle, practices thrift the cost, the cooling in -process can not produce hydrogen to eliminate the interior knockings of stove.
Description
Technical field
This utility model is related to blast furnace roof cooling device technical field and in particular to a kind of blast furnace roof water injection device.
Background technology
Under normal production conditions, blast furnace roof temperature is substantially at 100～200 DEG C, and works as Research for Feeding Raw Materials System and break down not
Energy feeding, leads to low stockline or when the internal gas fluid distrbution of blast furnace slump material, pipeline trip extremely, furnace top gas temperature
Can rise rapidly, furnace roof will be carried out during more than 300 DEG C and fetch water cooling, to protect furnace top equipment not to be burned.
Existing blast furnace roof water injection gun typically adopts a water pipe, and water enters from water pipe one end and directly sprays from the other end
Afterwards, cool in blast furnace, concentrated due to the water yield and spray in a water column at one, the injection flow rate to region each in blast furnace
Distribution is uneven, and the effect that causes to cool is poor；And the single water column shape water spray concentrated is difficult to rapid vaporization, causes a small amount of water to fall into
It is decomposed behind the high-temperature region of bottom house and produces hydrogen, hydrogen can cause pinking in stove after having assembled many, leads to shaft
Bricking is caved in, and then leads to a disaster.Additionally, in prior art, also part blast furnace roof water injection gun is bushing type, is divided into inner tube
And outer tube, inner and outer tubes are in concentric-ring pattern structure, and inner tube is waterway channel, has water under high pressure to pass through when needing to fetch water, not
Do not have current to pass through for blank pipe when needing to fetch water, be channel of nitrogen between outer tube and inner tube, be connected with high pressure nitrogen for a long time, when long
Between be passed through the purpose of high pressure nitrogen and be will be close to the coal gas of pipette tips and dust isolation, thus avoid dust to enter pipette tips blocking beating
Aquaporin, causes channel blockage of fetching water.Its structure is complex, manufacture difficulty and high cost；Nitrogen expends big, use cost
High；When inner tube water flowing is fetched water, the closing air-flow of outer tube blowout can disturb the current of inner tube to spray, and affects cooling effect.
Utility model content
In view of this, the application provides a kind of blast furnace roof water injection device, and described device is effectively reduced making of purge gass
With, energy-conserving and environment-protective, purge gass injection pressure and flow velocity are big, can effectively improve dust-proof effect；Droplet is less, sprays uniformly, is not required to
Shower nozzle to be arranged, cost-effective；Hydrogen will not be produced, thus eliminating pinking in stove in temperature-fall period.
For solving above technical problem, the technical scheme that this utility model provides is a kind of blast furnace roof water injection device, institute
State device and include the rifle of fetching water of tubulose, aqueous vapor access mechanism, described rifle of fetching water includes the head sections in described blast furnace furnace wall,
And the end segment outside described blast furnace furnace wall, the end seal of described head sections, the upper half tube wall of described head sections has
Multiple equally distributed small sircle holes, described aqueous vapor is accessed mechanism and is connected with described end segment, and described aqueous vapor accesses mechanism and includes water
Gas switching valve.
Further, described aqueous vapor accesses mechanism and also includes aqueous vapor input pipe, cooling water pipe, purges trachea, described aqueous vapor
Input pipe is connected with the end segment of described rifle of fetching water, and described cooling water pipe is connected in parallel with described purging trachea, and described aqueous vapor is cut
Change the intersection that valve is located at described cooling water pipe, described purging trachea and described aqueous vapor input pipe.
Further, described aqueous vapor switching valve is electric T-shaped valve, and described aqueous vapor switching valve is communicated with tele-control system
Connect.
Further, described cooling water pipe is provided with the first electrical ball valve, described purging trachea is provided with second
Electrical ball valve, described first electrical ball valve is all connected with tele-control system communication with described second electrical ball valve.
Further, each described small sircle hole is bellmouth, and the internal diameter of described bellmouth is along the upper tube half of described head sections
Wall successively decreases from inside to outside.
Further, the aperture of the upper half tube wall surface in described head sections for each described small sircle hole is 1 3.5mm.
Further, the aperture of the upper half tube wall surface in described head sections for each described small sircle hole is 2mm.
Further, intersect each other along the centrage of the adjacent described small sircle hole of the wall cross-section of described head sections.
Further, the angle that described centrage intersects is 10 ° 60 °.
Further, the angle that described centrage intersects is 20 °.
Compared with prior art, its detailed description is as follows: technical scheme provides a kind of blast furnace roof for the application
Dispensing device for water, described device includes the rifle of fetching water of tubulose, aqueous vapor accesses mechanism, and described rifle of fetching water is included positioned at described blast furnace furnace wall
Interior head sections, and be located at described blast furnace furnace wall outside end segment, the end seal of described head sections, described head sections upper
Half tube wall has multiple equally distributed small sircle holes, and described aqueous vapor is accessed mechanism and is connected with described end segment, and described aqueous vapor accesses
Mechanism includes aqueous vapor switching valve.
Described device fetch water in rifle, small sircle hole be distributed in described in fetch water the upper half tube wall of rifle, when using, cooling water from
Small sircle hole forms tiny vaporific current and sprays, and the centrage due to adjacent described small sircle hole intersects each other, adjacent little of each two
The tiny vaporific current collision intersected with each other that circular hole sprays, is atomized into fine liquid particles further, thus on blast furnace roof top
The larger and uniform water smoke of forming range, this water smoke under gravity, to cool down blast furnace in the anti-pouring stove that falls, inhale by whereabouts water smoke
It is easy to be vaporized after receiving high furnace heat, just rise after spray vaporization and take away high furnace heat, here from Top of BF effusion
During, seldom there is oarse-grained water droplet to fall into bottom high-temperature region in blast furnace, thus without producing hydrogen, thus eliminating stove implosion
Shake.
The aqueous vapor of described device accesses in mechanism, includes aqueous vapor input pipe, cooling water pipe, purging trachea, wherein cools down
Water pipe and purging trachea are arranged in parallel, the switching of cooling water or the purge gass in rifle of carrying out fetching water by aqueous vapor switching valve, that is,
Say that cooling water and purge gass share same passage in rifle of fetching water, therefore, structure is simpler, and cost is lower；Needing to carry out
During blast furnace water pumping cooling, being passed through cooling water, during without carrying out blast furnace water pumping cooling, being passed through purge gass, generally nitrogen, can
Effectively stop dust from entering, prevent from blocking.
Therefore, it is located in different passages compared to cooling water of the prior art and purge gass, and purge gass work at any time
Ceaselessly situation, technical scheme is effectively reduced the use of purge gass, energy-conserving and environment-protective；Because small sircle hole aperture is less,
Purge gass injection pressure and flow velocity increase, and can effectively improve dust-proof effect；Droplet is less, sprays uniformly, and does not need setting spray
Head, cost-effective；Hydrogen will not be produced, thus eliminating pinking in stove in temperature-fall period.
Brief description
Fig. 1 is the structural representation of herein described blast furnace roof water injection device；
Fig. 2 be fetch water in herein described blast furnace roof water injection device rifle head sections longitudinal section；
Fig. 3 is a-a sectional view in Fig. 1.
Specific embodiment
In order that those skilled in the art more fully understands the technical solution of the utility model, below in conjunction with the accompanying drawings and tool
The utility model is described in further detail for body embodiment.
A kind of blast furnace roof water injection device as shown in Figure 1, 2, 3, accesses mechanism 2 including the rifle 1 of fetching water of tubulose, aqueous vapor,
Described rifle 1 of fetching water includes the head sections 3 in described blast furnace furnace wall, and is located at the end segment 4 outside described blast furnace furnace wall, institute
The end 5 stating head sections 3 seals, and the upper half tube wall of described head sections 3 has multiple equally distributed small sircle holes 6, described aqueous vapor
Access mechanism 2 to be connected with described end segment 4, described aqueous vapor accesses mechanism 2 and includes aqueous vapor switching valve 7.
Wherein, described aqueous vapor accesses mechanism 2 and also includes aqueous vapor input pipe 8, cooling water pipe 9, purges trachea 10, described aqueous vapor
Input pipe 8 is connected with the end segment 4 of described rifle 1 of fetching water, and described cooling water pipe 9 is connected in parallel with described purging trachea 10, described
Aqueous vapor switching valve 7 is located at the intersection of described cooling water pipe 9, described purging trachea 10 and described aqueous vapor input pipe 8, described aqueous vapor
Switching valve 7 is electric T-shaped valve, and described aqueous vapor switching valve 7 is connected with tele-control system communication, and described cooling water pipe 9 is arranged
There is the first electrical ball valve 11, described purging trachea 10 is provided with the second electrical ball valve 12, described first electrical ball valve 11 and institute
State the second electrical ball valve 12 to be all connected with tele-control system communication.
Wherein, each described small sircle hole 6 is bellmouth, and the internal diameter of described bellmouth is along the upper half tube wall of described head sections 3
Successively decrease from inside to outside, the aperture of each upper half tube wall surface in described head sections 3 for the described small sircle hole 6 is 2mm, along described head
The centrage of the adjacent described small sircle hole 6 of wall cross-section of section 3 intersects each other, and intersecting angle is 20 °
Described blast furnace roof water injection device is effectively reduced the use of purge gass, energy-conserving and environment-protective；Due to small sircle hole 6 aperture relatively
Little, purge gass injection pressure and flow velocity increase, and can effectively improve dust-proof effect；Droplet is less, sprays uniformly, and does not need to arrange
Shower nozzle, cost-effective；Hydrogen will not be produced, thus eliminating pinking in stove in temperature-fall period.
The above is only preferred implementation of the present utility model it is noted that above-mentioned preferred implementation should not regard
It is to restriction of the present utility model, protection domain of the present utility model should be defined by claim limited range.For
For those skilled in the art, without departing from spirit and scope of the present utility model, can also make some
Improvements and modifications, these improvements and modifications also should be regarded as protection domain of the present utility model.
Claims (10)
1. a kind of blast furnace roof water injection device it is characterised in that: described device include the rifle of fetching water of tubulose, aqueous vapor access mechanism,
Described rifle of fetching water includes the head sections in described blast furnace furnace wall, and is located at the end segment outside described blast furnace furnace wall, described
The end seal of head sections, the upper half tube wall of described head sections has multiple equally distributed small sircle holes, and described aqueous vapor accesses machine
Structure is connected with described end segment, and described aqueous vapor accesses mechanism and includes aqueous vapor switching valve.
2. a kind of blast furnace roof water injection device according to claim 1 it is characterised in that: described aqueous vapor accesses mechanism and also wraps
Include aqueous vapor input pipe, cooling water pipe, purging trachea, described aqueous vapor input pipe is connected with the end segment of described rifle of fetching water, described cold
But water pipe and described purging trachea are connected in parallel, and described aqueous vapor switching valve is located at described cooling water pipe, described purging trachea and institute
State the intersection of aqueous vapor input pipe.
3. a kind of blast furnace roof water injection device according to claim 1 it is characterised in that: described aqueous vapor switching valve be electronic
Three-way valve, described aqueous vapor switching valve is connected with tele-control system communication.
4. a kind of blast furnace roof water injection device according to claim 2 it is characterised in that: be provided with described cooling water pipe
First electrical ball valve, described purging trachea is provided with the second electrical ball valve, and described first electrical ball valve is electronic with described second
Ball valve is all connected with tele-control system communication.
5. a kind of blast furnace roof water injection device according to claim 1 it is characterised in that: each described small sircle hole be taper
Hole, the internal diameter of described bellmouth successively decreases from inside to outside along the upper half tube wall of described head sections.
6. a kind of blast furnace roof water injection device according to claim 1 it is characterised in that: each described small sircle hole is described
The aperture of the upper half tube wall surface of head sections is 1 3.5mm.
7. a kind of blast furnace roof water injection device according to claim 6 it is characterised in that: each described small sircle hole is described
The aperture of the upper half tube wall surface of head sections is 2mm.
8. a kind of blast furnace roof water injection device according to claim 1 it is characterised in that: horizontal along the tube wall of described head sections
The centrage of the adjacent described small sircle hole in section intersects each other.
9. a kind of blast furnace roof water injection device according to claim 8 it is characterised in that: described centrage intersect angle
For 10 ° 60 °.
10. a kind of blast furnace roof water injection device according to claim 9 it is characterised in that: described centrage intersect folder
Angle is 20 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620847035.3U CN205893301U (en) | 2016-08-08 | 2016-08-08 | Blast furnace top device of fetching water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620847035.3U CN205893301U (en) | 2016-08-08 | 2016-08-08 | Blast furnace top device of fetching water |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205893301U true CN205893301U (en) | 2017-01-18 |
Family
ID=57783116
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620847035.3U Active CN205893301U (en) | 2016-08-08 | 2016-08-08 | Blast furnace top device of fetching water |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205893301U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110229937A (en) * | 2019-06-27 | 2019-09-13 | 武汉钢铁有限公司 | A kind of method that the control of blast furnace stockline dropping pushes up temperature and prevents pinking |
| CN111020087A (en) * | 2019-12-19 | 2020-04-17 | 北京首钢股份有限公司 | Blast furnace water-fetching cooling method and device |
| CN111996320A (en) * | 2020-09-01 | 2020-11-27 | 广东韶钢松山股份有限公司 | Spraying device for blast furnace burden-lowering surface furnace top and control method thereof |
-
2016
- 2016-08-08 CN CN201620847035.3U patent/CN205893301U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110229937A (en) * | 2019-06-27 | 2019-09-13 | 武汉钢铁有限公司 | A kind of method that the control of blast furnace stockline dropping pushes up temperature and prevents pinking |
| CN111020087A (en) * | 2019-12-19 | 2020-04-17 | 北京首钢股份有限公司 | Blast furnace water-fetching cooling method and device |
| CN111996320A (en) * | 2020-09-01 | 2020-11-27 | 广东韶钢松山股份有限公司 | Spraying device for blast furnace burden-lowering surface furnace top and control method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205893301U (en) | Blast furnace top device of fetching water | |
| CN103571990A (en) | Water-fetching and temperature-decreasing device on top of blast furnace and control method thereof | |
| CN109140502A (en) | A kind of built-in fuel manifold for conveying and being atomized for double oil circuits fuel oil | |
| CN103789473B (en) | Blast furnace stopping dispensing device for water | |
| CN110755660B (en) | Vaporization device | |
| CN108151009A (en) | A kind of adherent wind method and device for preventing coal-burning boiler water wall high temperature corrosion | |
| CN104804772A (en) | Gasification nozzle and gasifier | |
| CN203728862U (en) | Blowing-out flutter device for blast furnace | |
| CN202643657U (en) | Cooling device for gasifier gasification nozzle | |
| CN203629172U (en) | High-temperature cooling water jacket for camera in furnace | |
| CN102286649B (en) | Water spraying gun for lowering stock line of blast furnace | |
| CN201512542U (en) | Blast furnace roof water injection gun | |
| CN203007286U (en) | Cooling device for shooting water on roof of blast furnace | |
| CN102943242A (en) | Radio-frequency ionization selenium source device | |
| CN208562256U (en) | A kind of fluidized bed air-distribution device | |
| CN209162187U (en) | Chemical gas-phase deposition system | |
| CN103964469B (en) | A kind of urea pyrolysis ammonia-preparing device | |
| CN207634148U (en) | SCR urea sprays protection system | |
| CN104003416B (en) | A kind of volute air-inlet whirlwind-type urea pyrolysis ammonia-preparing device and method | |
| CN104654695A (en) | Micron-sized ice particle preparation device | |
| CN107899411A (en) | A kind of SCR reaction units and method for the processing of cement clinker production line kiln exit gas | |
| CN211005454U (en) | Spray cooling device for blast furnace gas | |
| CN207533054U (en) | A kind of SCR reaction units for the processing of cement clinker production line kiln exit gas | |
| CN202643658U (en) | Cooling device for gasification nozzle of gasification furnace | |
| CN209255023U (en) | A kind of secondary Liqiud-gas mixing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |