CN207214832U - A kind of electric heating spout device - Google Patents
A kind of electric heating spout device Download PDFInfo
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- CN207214832U CN207214832U CN201721280496.8U CN201721280496U CN207214832U CN 207214832 U CN207214832 U CN 207214832U CN 201721280496 U CN201721280496 U CN 201721280496U CN 207214832 U CN207214832 U CN 207214832U
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- Prior art keywords
- calorifie installation
- stopper
- electric
- electric calorifie
- nozzle brick
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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Abstract
The utility model discloses a kind of electric heating spout device, belong to metallurgical waste heat recycling field, including nozzle brick, electric calorifie installation I and stopper, the ring surrounding of the fluid passage set in nozzle brick is disposed with electric calorifie installation I, electric calorifie installation I transfers heat to fluid passage by external conveying electric current and after generating heat, and stopper adjustable for height and corresponding with above and below fluid passage is arranged above nozzle brick.Electric heating spout device of the present utility model is by adding electric calorifie installation I, enable nozzle brick and fluid passage keeps the temperature of setting, so that slag fluid is heated when flowing through the mouth of a river, solidification or situation about blocking will not be caused because mouth of a river temperature is low, the stopper control slag flow with electric calorifie installation II is utilized simultaneously, enable stopper to keep higher temperature, continue concurrent heating in tapping process, prevent slag liquid from solidifying.The present apparatus can prevent the situation that high-temperature metal and nonmetallic fluid are solidified by mouth of a river channel blockage.
Description
Technical field
The utility model belongs to metallurgical waste heat recovery technology field, is related to a kind of electric heating spout device of slag, can be used for
The granulation link of metallurgical cinder dry granulation technique, for controlling slag flow.
Background technology
At present, China's blast furnace slag is mainly handled by the way of water quenching, not only waste water resource, the heat of blast furnace slag
There is no effective recycling yet.Using dry granulation, the heat of slag can be effectively reclaimed.Carrying out slag dry granulation
When, molten slag needs to flow to granulation apparatus from slag notch, and the slag stream of continuous-stable is the precondition being normally granulated.
But in molten slag tapping process, the flowed fluctuation of slag is larger, the early stage flow of usually slagging tap is very big, then tapers into.
If slag does not control flow, granulation apparatus is directly entered, granulation effect is very unstable：For granulation apparatus, flow is excessive,
Occurring that granulation is insufficient, slag liquid condenses into block or sheet, and when flow is too small, silk can be congealed into again, can not obtain finished product slag
Grain.Therefore, the slag stream of continuous-stable is obtained, it is necessary to which suitable mouth of a river size controls slag liquid flow.
But temperature can be reduced gradually after being flowed out due to slag, especially the latter stage in a flushing cycles, slag temperature drop low amplitude
It is larger, and viscosity coefficient of dross steeply rises as temperature reduces, and after viscosity increase, is just easy to slag solidification, nozzle blocking occur
Situation, cause granulation to interrupt, slag is collected above the mouth of a river, molten slag removal and is blocked the mouth of a river and is wasted time and energy.And due to slag
Liquid and mouth of a river temperature are higher, often can not also complete to clear up before next flushing cycles, this has just had a strong impact on technique stream
Journey is smoothed out, or even can have to stop whole granulation because slag blocks the mouth of a river.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of electric heating spout device, to solve slag dry granulation
During, because slag temperature drop is low, viscosity increase, the problem of slag blocks the mouth of a river, and controllable it is flowed into pelletizer slag
Flow continuous-stable.
To reach above-mentioned purpose, the utility model is achieved through the following technical solutions：
The utility model provides a kind of electric heating spout device, including nozzle brick, electric calorifie installation I and stopper, at the mouth of a river
The ring surrounding of the fluid passage set in brick is disposed with described electric calorifie installation I, and the electric calorifie installation I passes through external conveying electricity
Flow and transfer heat to fluid passage after generating heat, arranged above nozzle brick it is adjustable for height and with it is right above and below the fluid passage
The described stopper answered.
Further, the power adjustable of the electric calorifie installation I, nozzle brick and fluid passage is enable to keep the temperature of setting.
Further, the material of electric calorifie installation I uses metal electric heating silk, silicon molybdenum or graphite.
Further, the stopper is additionally included in towards the electric calorifie installation II of setting inside the corresponding end of fluid passage, it is described
Electric calorifie installation II transfers heat to stopper by external conveying electric current and after generating heat, and is glued with mitigating condensation of the slag to stopper
Even.
Further, the power adjustable of the electric calorifie installation II, stopper is enable to keep the temperature of setting.
Further, the material of electric calorifie installation II uses metal electric heating silk, silicon molybdenum or graphite.
Further, the nozzle brick, the material of stopper use refractory material.
Further, the suitable for reading of the nozzle brick is conical opening, the corresponding end of the stopper towards nozzle brick be provided with it is described
The conehead that conical opening is engaged.
Using such scheme, before slag is slagged tap, first start the electric calorifie installation I of nozzle brick, lead to nozzle brick and fluid
Road reaches the temperature of setting, while starts the electric calorifie installation II of stopper, stopper is also reached design temperature.Temperature reaches requirement
Afterwards, slag is begun to flow out, and when slag flow to mouth of a river position, due to the limitation of nozzle brick size suitable for reading, slag flow obtains
Control, can be flowed out with continuous-stable, while adjust the height of stopper, carry out more accurate flow control.As tapping process is held
Continuous, the quantity of slag may reduce, and the slag liquid temperature flowed in fluid passage is gradually lowered, after the viscosity increase of slag liquid, flowing speed
Degree slows down.Now due to the lasting heat release of electric calorifie installation I, make the temperature of fluid channel location higher, on the one hand continue to slag liquid
Concurrent heating, the radiation loss of slag liquid can be offset, simultaneously because fluid passage, than narrow, the slag fluid for flowing through passage is filled
Divide heating, so as to reduce the generation of slag liquid solidification phenomenon so that the slag liquid that temperature is relatively low, viscosity is higher also can be under nozzle brick
Mouth outflow, into granulating device.Meanwhile by adjusting stopper height, the flow of slag liquid can be further controlled, due to stopper
By the continuous heating of electric calorifie installation II, condensation adhesion of the slag to stopper can be mitigated.
The beneficial effects of the utility model are：
1st, electric heating spout device of the present utility model is disposed with electric calorifie installation I by the fluid passage surrounding in nozzle brick,
After sending a telegraph thermal heating by external conveying electric current, to enable nozzle brick and fluid passage keeps the temperature of setting, so exist
During slag flows through the mouth of a river, due to there is the lasting concurrent heating of external heat source, slag liquid will not reduce because of temperature, viscosity diminish and
Solidification, so as to avoid the situation of nozzle blocking.Meanwhile by adjusting stopper height, it can further control the stream of slag liquid
Amount, because stopper is by the continuous heating of electric calorifie installation II, condensation adhesion of the slag to stopper can be mitigated.
2nd, the utility model can continue heat supply in the tapping process of the mouth of a river, and asking for the mouth of a river is blocked after solving slag liquid solidification
Topic, compared to by the way of burner flame baking, the utility model can be in tapping process, persistently to narrow and small fluid passage
Concurrent heating is carried out, so as to prevent situation about blocking herein.Conventional at present uses combustion gas/oil burner, and the mouth of a river is entered using flame
Row baking, when slag tap carry out when, due to the stop of slag liquid, flame can not carry out concurrent heating to the mouth of a river and fluid passage, and most easily go out
The fluid passage now blocked can not obtain the lasting heat supply of external heat source, and as slag liquid temperature reduces, fluid channel location is just sent out
Raw stopping state.
Other advantages, target and feature of the present utility model will be explained in the following description to a certain extent
State, and to a certain extent, based on will be apparent to those skilled in the art to investigating hereafter, or
Person can be instructed from practice of the present utility model.Target of the present utility model and other advantages can be said by following
Bright book is realized and obtained.
Brief description of the drawings
In order that the purpose of this utility model, technical scheme and advantage are clearer, below in conjunction with accompanying drawing to this practicality
It is new to be described in further detail, wherein：
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the partial enlarged drawing of nozzle brick and electric calorifie installation.
Embodiment
Illustrate embodiment of the present utility model below by way of specific instantiation, those skilled in the art can be by this theory
Content disclosed by bright book understands other advantages and effect of the present utility model easily.The utility model can also be by addition
Different embodiments are embodied or practiced, and the various details in this specification can also be based on different viewpoints with answering
With, without departing from it is of the present utility model spirit under carry out various modifications or alterations.It should be noted that institute in following examples
The diagram of offer only illustrates basic conception of the present utility model in a schematic way, in the case where not conflicting, following examples and
Feature in embodiment can be mutually combined.
Refer to Fig. 1-2, the element numbers in accompanying drawing are respectively：Nozzle brick 1, electric calorifie installation I 2, fluid passage 3, stopper
4th, electric calorifie installation II 5.
The present embodiment is substantially as shown in drawings：A kind of electric heating spout device, including nozzle brick 1, electric calorifie installation I 2 and stopper
4, the ring surrounding of the fluid passage 3 set in nozzle brick 1 is disposed with electric calorifie installation I 2, and electric calorifie installation I 2 passes through external conveying
Electric current and generate heat after transfer heat to fluid passage 3 and nozzle brick 1, nozzle brick 1 above arrangement it is adjustable for height and with this
Fluid passage stopper 4 corresponding to about 3, stopper 4 is additionally included in towards the electric calorifie installation of setting inside the corresponding end of fluid passage 3
II 5, electric calorifie installation II 5 transfers heat to stopper 4 by external conveying electric current and after generating heat, and stopper is coagulated with mitigating slag
Tie adhesion.
The power adjustable of electric calorifie installation I 2 in the present embodiment, nozzle brick 1 and fluid passage 3 is set to keep the temperature of setting
Degree；The power of electric calorifie installation II 5 is also adjustable, stopper 4 is kept the temperature of setting.
Electric calorifie installation I 2 and the material of electric calorifie installation II 5 in the present embodiment use metal electric heating silk, silicon molybdenum or graphite.
The material of nozzle brick 1, stopper 4 in the present embodiment uses refractory material.
The suitable for reading of nozzle brick 1 in the present embodiment is conical opening, and the corresponding end of stopper 4 towards nozzle brick 1 is provided with and taper
The conehead that mouth is engaged.
During work, before slag is slagged tap, the continued power of electric calorifie installation I 2 on admission port brick 1, heating nozzle's brick 1 and stream
Body passage 3, while electric calorifie installation II 5 is powered, heat stopper 4.Now nozzle brick is measured using infrared temperature measurement apparatus
1st, the temperature of fluid passage 3 and stopper 4, according to temperature conditions adjust output power so that nozzle brick 1 and fluid passage 3 and
Stopper 4 reaches the temperature of setting.
After temperature reaches requirement, start to slag tap, when slag flow to 1 position of upper of nozzle brick, due to nozzle brick 1
Size limitation suitable for reading, slag flow are controlled, continuous-stable outflow.As tapping process continues, the quantity of slag is gradually reduced, relatively
Area of dissipation is big, flows to slag liquid temperature in the fluid passage 3 of nozzle brick 1 and is gradually lowered.The temperature of slag liquid reduces, and viscosity increases
Add, flowing velocity slows down.Heat release is now continued by electric calorifie installation I 2, fluid passage 3 is kept higher temperature, a side
Face continues concurrent heating to slag liquid, can offset the radiation loss of slag liquid, if slag liquid flowing has some setbacks, it is suitable for reading can to tune up nozzle brick 1
With the power of electric calorifie installation II 5, further improve temperature and slag liquid is heated.Simultaneously because the aperture of fluid passage 3 is little,
Wall surface temperature is high, and the slag liquid fluid for flowing through fluid passage 3 is fully heated, so as to reduce the generation of slag liquid solidification phenomenon,
So that the slag liquid that temperature is low, viscosity is high can also flow out from the mouth of a river, into granulating device.
Finally illustrate, above example is only unrestricted to illustrate the technical solution of the utility model, although ginseng
The utility model is described in detail according to preferred embodiment, it will be understood by those within the art that, can be to this
The technical scheme of utility model is modified or equivalent substitution, and without departing from the objective and scope of the technical program, it all should
Cover among right of the present utility model.
Claims (8)
1. a kind of electric heating spout device, it is characterised in that including nozzle brick (1), electric calorifie installation I (2) and stopper (4), described
The ring surrounding of the fluid passage (3) set in nozzle brick is disposed with described electric calorifie installation I, and the electric calorifie installation I is by outer
Connect conveying electric current and transfer heat to fluid passage after generating heat, arrange above nozzle brick adjustable for height and lead to the fluid
Described stopper corresponding to above and below road.
2. electric heating spout device according to claim 1, it is characterised in that the power adjustable of the electric calorifie installation I, make water
Mouth brick and fluid passage can keep the temperature of setting.
3. electric heating spout device according to claim 2, it is characterised in that the material of electric calorifie installation I is using metal electricity
Heated filament, silicon molybdenum or graphite.
4. electric heating spout device according to claim 1, it is characterised in that be additionally included in the stopper towards fluid passage
Corresponding end inside the electric calorifie installation II (5) that sets, the electric calorifie installation II is by external conveying electric current and after generating heat by heat
Stopper is passed to, to mitigate condensation adhesion of the slag to stopper.
5. electric heating spout device according to claim 4, it is characterised in that the power adjustable of the electric calorifie installation II, make
Stopper can keep the temperature of setting.
6. electric heating spout device according to claim 5, it is characterised in that the material of electric calorifie installation II is using metal electricity
Heated filament, silicon molybdenum or graphite.
7. electric heating spout device according to claim 1, it is characterised in that the nozzle brick, the material of stopper use
Refractory material.
8. electric heating spout device according to claim 1, it is characterised in that the suitable for reading of the nozzle brick is conical opening, institute
The corresponding end for stating stopper towards nozzle brick is provided with the conehead being engaged with the conical opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721280496.8U CN207214832U (en) | 2017-09-30 | 2017-09-30 | A kind of electric heating spout device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721280496.8U CN207214832U (en) | 2017-09-30 | 2017-09-30 | A kind of electric heating spout device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207214832U true CN207214832U (en) | 2018-04-10 |
Family
ID=61820264
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721280496.8U Active CN207214832U (en) | 2017-09-30 | 2017-09-30 | A kind of electric heating spout device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207214832U (en) |
-
2017
- 2017-09-30 CN CN201721280496.8U patent/CN207214832U/en active Active
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