CN207735577U - A kind of double preheating self-priming injecting type blast furnace gas ladle baking facilities - Google Patents
A kind of double preheating self-priming injecting type blast furnace gas ladle baking facilities Download PDFInfo
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- CN207735577U CN207735577U CN201721888317.9U CN201721888317U CN207735577U CN 207735577 U CN207735577 U CN 207735577U CN 201721888317 U CN201721888317 U CN 201721888317U CN 207735577 U CN207735577 U CN 207735577U
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- preheating
- preheating cabinet
- arc plate
- priming
- blast furnace
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Abstract
The utility model is related to a kind of double preheating self-priming injecting type blast furnace gas ladle baking facilities.Including backpack cover and combustion tube, combustion tube runs through backpack cover, and is directed toward roast, and preheating cabinet is additionally provided on backpack cover, and the preheating cabinet is the preheating cavity formed by outer arc plate, inner arc plate and inner sealed board, and preheating cabinet closes combustion tube lid in its cavity.Burner, preheating cabinet, stabilizer and refractory material are organically combined into one by the utility model.Using preheating cabinet by absorbing the waste heat diffused, the temperature of coal gas and air is improved, double preheatings to gas-air is realized, the theoretical temperature combustion of coal gas can be greatly improved.
Description
Technical field
The utility model belongs to ladle baking technical field of heating, and in particular to a kind of double preheating self-priming injecting type blast furnace coals
Gas ladle baking facility.
Background technology
Ladle baking is one of the important link in STEELMAKING PRODUCTION process, the performance of apparatus for baking to Tapping Temperature of Bof,
Steelmaking operations rate, furnace life all have a great impact, and ladle baking is kept between two main production processes of continuous casting and steel-making
Its good operation is arranged production to coordination and is played an important roll, more great to continuous casting meaning.Meanwhile it finding a kind of
Compare rational method, improve steel mill's thermal hardware efficiency of combustion, reduce steel mill's carbon emission, environmental pollution is reduced, especially to subtracting
Gently always puzzlement China's haze bring environmental pollution influence play the role of one it is vital.
The blast furnace gas for the low heat value that ladle baking facility uses, due to the device of space gas without preheating, the temperature of flame combustion
Degree is not high, and the time of ladle baking is long, and heating rate is slow, the non-uniform temperature of Bao Nei and containment wall baking；Original roaster uses
Blower device, due to the hysteresis quality of Fan Regulation, the proportioning of coal gas and air is improper, and burning is insufficient, and efficiency of combustion is low；It is low
During calorific value blast furnace gas toasts ladle, due to the pressure oscillation of field working conditions, when the flow velocity of coal gas is more than fire
When the burning velocity of flame, it be easy to cause de- fiery phenomenon.
Invention content
The utility model proposes a kind of double preheating self-priming injecting type blast furnace gas ladle baking facilities to solve traditional ladle
Roaster can not reach ideal baking temperature before the deadline, to ladle and exert an adverse impact.
The utility model is that technical solution used by solving its technical problem is to provide a kind of double preheating self-priming injecting types
Blast furnace gas ladle baking facility, including backpack cover and burner, burner runs through backpack cover, and is directed toward roast, is also set on backpack cover
It is equipped with preheating cabinet, the preheating cabinet is the preheating cavity formed by outer arc plate, inner arc plate and inner sealed board, and preheating cabinet is by burner lid
It closes in its cavity.
As a kind of preferred embodiment of the utility model, it is, inside, is provided with deflector between outer arc plate；Preheating cabinet
It is fixed on backpack cover by preheating cabinet fixed frame；Preheating cabinet upper end is provided with preheating cabinet protective cover and preheating cabinet protective cover handle.
As a kind of preferred embodiment of the utility model, the backpack cover includes panel and skirtboard, is arranged on backpack cover panel
There is automatic air inlet hole；Refractory cotton containing zirconium is also wound in backpack cover, the upper surface of refractory cotton containing zirconium is provided with partition board.
As a kind of preferred embodiment of the utility model, be provided in the preheating cabinet positioned at burner upper surface it
On tune wind compass, adjust wind compass on have two pass through preheating cabinet outer arc plate and inner arc plate tune conch bars.
As a kind of preferred embodiment of the utility model, be provided through on the preheating cabinet preheating cabinet outer arc plate,
Preheating cabinet inner arc plate and the igniter for adjusting wind compass.
As a kind of preferred embodiment of the utility model, be provided through on the preheating cabinet preheating cabinet outer arc plate,
Preheating cabinet inner arc plate and the flame detecting device for adjusting wind compass.
As a kind of preferred embodiment of the utility model, be provided through on the preheating cabinet preheating cabinet outer arc plate,
Preheating cabinet inner arc plate and the path transfer screw rod for being located at injection pipe center, there are one stabilizer, stabilizers for the connection of path transfer screw rod lower end
Lower end is provided with accumulator.
As a kind of preferred embodiment of the utility model, in burner lower end, interlaced arrangement has steady combustion stick.
As a kind of preferred embodiment of the utility model, it is provided on the backpack cover and is made of lacing wire, arm, shaft
Rocker arm body, shaft is mounted on bearing block, and bearing block lower end is connected to support entire baking to think highly of by positioning plate
On the Rack Body of amount, movable pulley, setting fixed pulley on the ground and the hoist engine of boom tip setting collectively form a packet
Lid switching mechanism.
A kind of double preheating self-priming injecting type blast furnace gas ladle baking facility primary structures of the utility model are by burner, in advance
Hot tank, stabilizer and refractory material are organically combined into one.Using preheating cabinet by absorbing the waste heat that diffuses, improve coal gas and
The temperature of air realizes double preheatings to gas-air, can greatly improve the theoretical temperature combustion of coal gas.
Description of the drawings
Fig. 1 is the just equal shaft side figures of a kind of pair of preheating self-priming injecting type blast furnace gas ladle baking facility.
Fig. 2 is a kind of double preheating self-priming injecting type blast furnace gas ladle baking facility baking system figures.
Fig. 3 is double preheating self-priming injecting type blast furnace gas ladle baking facility backpack cover exploded views.
In figure, 1, backpack cover, 1-1, backpack cover panel, 1-2, backpack cover partition board, 1-3 backpack cover skirtboards, 1-4, skirtboard reinforcing plate, 1-5,
Small gusset, 1-6, refractory cotton containing zirconium；2, burner；3, preheating cabinet, 3-1, preheating cabinet outer arc plate, 3-2, preheating cabinet inner arc plate, 3-
3, inner sealed board, 3-4, deflector, 3-5, preheating cabinet fixed frame, 3-6, preheating cabinet protective cover, 3-7, protective cover handle；4, wind sieve is adjusted
Disk, 5, adjust conch bar, 6, igniter, 7, flame detector, 8, fuel gas injection pipe, 9, path transfer screw rod, 10, stabilizer, 11, store
Can device, 12, surely fire stick, 13, lacing wire, 14, arm, 15, shaft, 16, bearing block, 17, positioning plate, 18, body frame, 19, dynamic slide
Wheel, 20, fixed pulley, 21, hoist engine, 22, gas piping.
Specific implementation mode
The utility model is further described below in conjunction with attached drawing and specific embodiment.
The double preheating self-priming injecting type blast furnace gas ladle baking facilities of one kind as shown in Figure 1 and Figure 2, pacify at 1 center of backpack cover
There are one preheating cabinet 3, backpacks cover 1 to constitute a complete baking system with preheating cabinet 3 for dress.Preheating cabinet 3 is by outer arc plate 3-1, interior
The preheating cavity that arc plate 3-2 and inner sealed board 3-3 are formed.Inside, deflector 3-4 is provided between outer arc plate；Preheating cabinet 3 is logical
Preheating cabinet fixed frame 3-5 is crossed to be fixed on backpack cover 1；3 upper end of preheating cabinet is provided with preheating cabinet protective cover 3-6 and preheating cabinet protective cover
Handle 3-7.Protective cover 3-6 is mainly to the burner 2 and its auxiliary equipment dust-separation inside preheating cabinet 3, and then protective wire
Not by the severe iron ash environment short circuit in scene, handle 3-7 then facilitates live opening on road.
As shown in Fig. 2, the lap joint flange outside preheating cabinet 3 is connect with gas piping 22, flow into the coal gas of preheating cabinet 3 by
It is preheated in the preheating cavity body that preheating cabinet outer arc plate 3-1, inner arc plate 3-2, inner sealed board 3-3 are formed, flows into the coal gas of preheating cabinet 3
Medium is heated during being toasted by ladle baking facility, and the coal gas after preheating flows into burner jet stream via deflector 3-4
Pipe 8.
It is equipped on preheating cabinet 3 and adjusts wind compass device 4, wind compass 4 is adjusted to be located at 2 upper surface of burner or more, adjust wind compass 4
On there are two tune conch bars 5 for passing through preheating cabinet outer arc plate 3-1 and inner arc plate 3-2, tune conch bar 5 to may be implemented on axis direction
Under movement, and then combustion air volume is adjusted.
The igniter of wind compass 4 is additionally provided with across preheating cabinet outer arc plate 3-1, inner arc plate 3-2 and adjusted in preheating cabinet 3
6, igniter 6 is attached by flange of lighting a fire with preheating cabinet outer arc plate 3-1, and live replacement is facilitated.
The fire defector of wind compass 4 is additionally provided with across preheating cabinet outer arc plate 3-1, inner arc plate 3-2 and adjusted in preheating cabinet 3
Device 7.Igniter 6 is detected the flame in burner 2, and when detection is without flame, coal gas is also leaking, and directly link coal
Air pipe fast cut valve cuts off pipeline.
Preheating cabinet outer arc plate 3-1, inner arc plate 3-2 and the tune positioned at 8 center of injection pipe are provided through in preheating cabinet
Diameter screw rod 9, there are one stabilizers 10 for the connection of 9 lower end of path transfer screw rod, and 10 lower end of stabilizer is provided with accumulator 11, wherein path transfer spiral shell
Bar 9 can be moved up and down with axis direction, and then adjust the size of gas injection amount, and accumulator 11 builds one when equipment is run
Hot environment.
The coal gas after the preheating of jet pipe 8 is flowed into, is ejected by stabilizer 10.Coal gas is ejected by stabilizer 10
Umbrella shape coal gas air curtain, the angled mutual blending in burner 2 of the combustion air of autogamy and the coal gas air curtain of umbrella shape, rise
To a good immixture, the efficiency of combustion of coal gas is improved.
Also interlaced arrangement has steady combustion stick 12 in burner 2.Combustion tube outer end face is mounted with a ceramic protecting pipe, pottery
Porcelain protection pipe passes through the backpack cover lower faces panel 1-1 and the lower faces refractory cotton 1-6, the backpack cover upper surfaces panel 1-1 central area peace
A ring flange is filled, ring flange is attached by screw and backpack cover panel 1-1.
As shown in figure 3, several automatic air inlet holes are arranged on backpack cover panel 1-1, lower face certain distance is partition board 1-2,
Adhere to one layer of 1-6 of refractory cotton containing zirconium below partition board, the lower face of refractory cotton containing zirconium is reinforced less than backpack cover skirtboard reinforcing plate 1-4 bottom panels
Plate circumferential direction has been evenly arranged several small gussets 1-5.
Fireguard is set in 1 end of roaster backpack cover, effect is to the electric wiring progress mounted on backpack cover preheating cabinet
Heat-blocking action.
An infrared measurement of temperature hole has been reserved on roaster backpack cover 1, position will install an infrared temperature measurement apparatus, until
Reach packet bottom, monitors ladle internal temperature in real time.
The baking system being made of backpack cover 1 and preheating cabinet 3 is connected with rocking arm 2, and rocking arm 2 is by lacing wire 4, arm 14, shaft
15 constitute a rigid body；The installation of shaft both ends is bearing block 16, and 16 lower end of bearing block connects a rack by positioning plate
Body 18.Boom tip installs three 19 devices of movable pulley；Movable pulley 19 constitutes with windlass device 21 with fixed pulley 20 and stretches dress
It sets, realizes backpack cover overturning.
Gaspipe line is from front end hand sluice valve connected in sequence, capsule pressure gauge, pressure switch, in hand sluice valve and bellows
A Blowoff ball valve is installed in pressure gauge gaspipe line lower end, and connected in sequence is differential pressure flowmeter, fast cut valve, regulating valve, nitrogen
Flange is swept in air-blowing, and end is fixed gaspipe line with U-bolts.
The case where differential pressure flowmeter device, there are pressure differences for gaspipe line, can also accurately measure outflow ginseng
Number, signal wire are docked with the signal input line of Intelligent control cabinet with power output terminal respectively with power cord,
Stop valve is pneumatic fast cut valve, and power is opened air source and is attached with compressed air line, power output terminal
It is attached with Intelligent control cabinet leading-out terminal.
Regulating valve is electric control valve, and output current signal 4-20ma, action form is angle stroke, signal wire and power supply
Leading-out terminal is docked with Intelligent control cabinet signal input line with leading-out terminal.The aperture regulation of regulating valve is real with metering device
Existing self feed back and self-regulation effect, answer the fluctuation of right pipeline gas pressure.
Nitrogen purges flange, is located at after electric control valve, and the nitrogen pipeline installation of purging has electromagnetic valve device, for not
It influences scavenging pipeline and dispels process, can continue to purge in the case where solenoid valve damages, one bypass is set in scavenging pipeline,
Bypass is intermediate and is mounted with one small manual ball valve device.Its signal wire of the solenoid valve of scavenging pipeline and power cord respectively with intelligence
Switch board signal input terminal and power output terminal are attached.
Hand sluice valve, it is main its in overhaul of the equipments, effect that the coal gas of pipeline is cut off.
One CO gas leakage alarm device can be also installed in gaspipe line, the CO detected around roaster in real time is dense
Degree, the gas concentration upper limit value of detection and the fast cut valve of gaspipe line have self feed back chain function, eliminate gas leak
Security risk.
It has carried out positioning device before and after gaspipe line and carries out reinforcing fixation for two sections, bracing means is by U-bolts and spiral shell
It is female to be formed with angle bar.
The double preheating I. C. jetting formula blast furnace gas ladle baking facilities of described one kind, it is characterised in that the control system is adopted
It is bellows pressure switch, flowmeter, fast cut valve, regulating valve, nitrogen magnetic valve, lead limit switch, infrared with Siemens S7-300
Thermometric, igniter, flame detector, gas leakage alarm, hoist engine power line signal line（Or power cord）All access PLC
Switch board, switch board are arranged remote control interface, can carry out remote operation.
A kind of double preheating self-priming injecting type blast furnace gas ladle baking facilities of the utility model, by burner, preheating cabinet, stabilizer
And the proportioning of coal gas and air is maintained at optimum state by the refractory material stabilizer that is organically combined into one always, coal gas with help
Combustion air burns in burner and makes gaseous mixture volume expanded by heating, to which the air-flow for causing burner to export accelerates, makes the fire of burning
Flame flings packet bottom, and preheating cabinet improves the temperature of coal gas and air, realize to gas-air by absorbing the waste heat diffused
Double preheatings, the theoretical temperature combustion of coal gas can be greatly improved.
Claims (9)
1. a kind of double preheating self-priming injecting type blast furnace gas ladle baking facilities, including backpack cover（1）And burner（2）, burner（2）
Through backpack cover（1）, and it is directed toward roast, which is characterized in that in backpack cover（1）On be additionally provided with preheating cabinet（3）, the preheating cabinet
（3）It is by outer arc plate（3-1）, inner arc plate（3-2）And inner sealed board（3-3）The preheating cavity of formation, preheating cabinet（3）By burner
（2）Lid closes in its cavity.
2. a kind of double preheating self-priming injecting type blast furnace gas ladle baking facilities as described in claim 1, which is characterized in that
It is provided with deflector between inside and outside arc plate（3-4）；Preheating cabinet（3）Pass through preheating cabinet fixed frame（3-5）It is fixed on backpack cover（1）On；
Preheating cabinet（3）Upper end is provided with preheating cabinet protective cover（3-6）And preheating cabinet protective cover handle（3-7）.
3. a kind of double preheating self-priming injecting type blast furnace gas ladle baking facilities as claimed in claim 2, which is characterized in that described
Backpack cover（1）Including panel（1-1）And skirtboard（1-3）, backpack cover panel（1-1）On be provided with automatic air inlet hole；In backpack cover also
It is wound with refractory cotton containing zirconium（1-6）, refractory cotton containing zirconium（1-6）Upper surface is provided with partition board（1-2）.
4. a kind of double preheating self-priming injecting type blast furnace gas ladle baking facilities as claimed in claim 3, which is characterized in that in institute
The preheating cabinet stated（3）It is inside provided with positioned at burner（2）Tune wind compass on upper surface（4）, adjust wind compass（4）On have two
Across preheating cabinet outer arc plate（3-1）With inner arc plate（3-2）Tune conch bar（5）.
5. a kind of double preheating self-priming injecting type blast furnace gas ladle baking facilities as claimed in claim 4, which is characterized in that in institute
The preheating cabinet stated（3）On be provided through preheating cabinet outer arc plate（3-1）, inner arc plate（3-2）And adjust wind compass（4）Igniter
（6）.
6. a kind of double preheating self-priming injecting type blast furnace gas ladle baking facilities as claimed in claim 5, which is characterized in that in institute
The preheating cabinet stated（3）On be provided through preheating cabinet outer arc plate（3-2）, inner arc plate（3-1）And adjust wind compass（4）Fire defector
Device（7）.
7. a kind of double preheating self-priming injecting type blast furnace gas ladle baking facilities as claimed in claim 6, which is characterized in that in institute
The preheating cabinet stated（3）On be provided through preheating cabinet outer arc plate（3-2）, inner arc plate（3-1）And it is located at fuel gas injection pipe（8）Center
The path transfer screw rod of the heart（9）, path transfer screw rod（9）There are one stabilizers for lower end connection（10）, stabilizer（10）Lower end is provided with accumulation of energy
Device（11）.
8. a kind of double preheating self-priming injecting type blast furnace gas ladle baking facilities as claimed in claim 7, which is characterized in that firing
Burner（2）Lower end interlaced arrangement has steady combustion stick（12）.
9. such as a kind of double preheating self-priming injecting type blast furnace gas ladle baking facilities of claim 1 ~ 8 any one of them, feature
It is, in the backpack cover（1）On be provided with by lacing wire（13）, arm（14）, shaft（15）The rocker arm body of composition, shaft
（15）Mounted on bearing block（16）On, bearing block（16）Lower end passes through positioning plate（17）It is connected to that entire baking is supported to think highly of
The Rack Body of amount（18）On, arm（14）The movable pulley of end setting（19）, setting fixed pulley on the ground（20）And elevator
Machine（21）Collectively form a backpack cover switching mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721888317.9U CN207735577U (en) | 2017-12-29 | 2017-12-29 | A kind of double preheating self-priming injecting type blast furnace gas ladle baking facilities |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721888317.9U CN207735577U (en) | 2017-12-29 | 2017-12-29 | A kind of double preheating self-priming injecting type blast furnace gas ladle baking facilities |
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| CN207735577U true CN207735577U (en) | 2018-08-17 |
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| CN201721888317.9U Active CN207735577U (en) | 2017-12-29 | 2017-12-29 | A kind of double preheating self-priming injecting type blast furnace gas ladle baking facilities |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111215582A (en) * | 2019-12-11 | 2020-06-02 | 四川德胜集团钒钛有限公司 | Efficient baking device for iron mold of pig casting machine |
| CN112792326A (en) * | 2020-12-28 | 2021-05-14 | 何骞 | Cross-flow and mixed-flow torpedo ladle baking device |
| CN114713808A (en) * | 2022-05-10 | 2022-07-08 | 江苏省镔鑫钢铁集团有限公司 | Oxygen-enriched ladle baking device and ladle baking method thereof |
-
2017
- 2017-12-29 CN CN201721888317.9U patent/CN207735577U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111215582A (en) * | 2019-12-11 | 2020-06-02 | 四川德胜集团钒钛有限公司 | Efficient baking device for iron mold of pig casting machine |
| CN111215582B (en) * | 2019-12-11 | 2021-11-26 | 四川德胜集团钒钛有限公司 | Efficient baking device for iron mold of pig casting machine |
| CN112792326A (en) * | 2020-12-28 | 2021-05-14 | 何骞 | Cross-flow and mixed-flow torpedo ladle baking device |
| CN114713808A (en) * | 2022-05-10 | 2022-07-08 | 江苏省镔鑫钢铁集团有限公司 | Oxygen-enriched ladle baking device and ladle baking method thereof |
| CN114713808B (en) * | 2022-05-10 | 2023-06-06 | 江苏省镔鑫钢铁集团有限公司 | Oxygen-enriched baking device and baking method thereof |
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