CN206843514U - Air-cooled metallurgical slag treatment apparatus - Google Patents
Air-cooled metallurgical slag treatment apparatus Download PDFInfo
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- CN206843514U CN206843514U CN201720569312.3U CN201720569312U CN206843514U CN 206843514 U CN206843514 U CN 206843514U CN 201720569312 U CN201720569312 U CN 201720569312U CN 206843514 U CN206843514 U CN 206843514U
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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
- Y02P10/20—Recycling
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Abstract
It the utility model is related to metallurgy, a kind of air-cooled metallurgical slag treatment apparatus is provided, the air inlet pipeline connected including slag case and with the slag case, first charging aperture is provided with the slag case, air compressor machine is provided with the air inlet pipeline, also include the first Stirling engine, the heat exchanger of first Stirling engine is extending at least partially into the slag case.Air after the red slag entered in the utility model in slag case can be compressed smashes cooling, and then realize to the air-cooled of metallurgical slag, whole flow process does not use water, both saved and used water, the problem of activity of steel slag that water quenching is brought is low is effectively prevent again, it is extending at least partially into additionally, due to the heat exchanger of the first Stirling engine in slag case, it can receive the heat energy of air in the heat radiation of red slag and slag case, heat energy after heat exchange can drive the acting of the first Stirling engine to generate electricity, and realize the recycling that heat energy is carried to red slag.
Description
Technical field
It the utility model is related to metallurgy, more particularly to a kind of air-cooled metallurgical slag treatment apparatus.
Background technology
With the development of China's steel and iron industry and the growth of Steel demand amount, metallurgical slag particularly blast furnace slag and slag,
As the byproduct in steel manufacture process, its discharge capacity also increases year by year.Traditional air-cooled slag processing, which has, takes up an area small, place
It is fast to manage speed, the small advantage of the granularity of slag after processing.But it has two deficiencies simultaneously, first, waste heat does not reclaim, due to
Its discharge temperature is high, and yield is big, if reasonably can not be handled and be used, is not only to secondary resource and the energy
Significant wastage, but also very big pollution can be caused to environment；Second, last mode cold eventually has still used water cooling, such water cooling
The waste of water resource is not only caused, and reduces slag activity.
Utility model content
The purpose of this utility model is to provide a kind of air-cooled metallurgical slag treatment apparatus, it is intended to for solving existing wind
The problem of waste heat wastes during cold slag processing.
What the utility model was realized in：
The utility model embodiment provides a kind of air-cooled metallurgical slag treatment apparatus, including slag case and connects with the slag case
Logical air inlet pipeline, first charging aperture is provided with the slag case, air compressor machine, in addition to first are provided with the air inlet pipeline
Stirling engine, the heat exchanger of first Stirling engine are extending at least partially into the slag case.
Further, the cooler of first Stirling engine be wrapped in the air inlet of the air inlet pipeline with it is described
In gas circuit between air compressor machine.
Further, in addition to fume treatment component, the fume treatment component connect with the exhanst gas outlet of the slag case.
Further, in addition to the second Stirling engine, the heat exchanger of second Stirling engine is at least partly
Stretch into the fume treatment component, the cooler of second Stirling engine is wrapped in the air inlet of the air inlet pipeline
In gas circuit between the air compressor machine.
Further, the fume treatment component includes cyclone dust collectors, sack cleaner and chimney, and three connects successively
It is logical, and the cyclone dust collectors connect with the exhanst gas outlet of the slag case.
Further, in addition to conveyer and feed bin, the conveyer connect the discharging opening of the feed bin and the slag case.
Further, in addition to recycle circuit, the slag case has a second charging aperture, the recycle circuit connection described the
Two charging apertures and the conveyer, temperature sensor is provided with the conveyer.
Further, it is provided with elevator on the recycle circuit.
Further, the first charging aperture at the second charging aperture with being provided with chute.
Further, the end for the slag case being stretched into the air inlet pipeline is provided with nozzle, and the nozzle is towards institute
State the feed path of first charging aperture.
The utility model has the advantages that：
In processing unit of the present utility model, the metallurgical caused red slag of melting is imported into slag case from first charging aperture, and
Air inlet pipeline is then that compressed air can smash for being sprayed into the normal temperature air in the external world in slag case after compression by air compressor machine
And the red slag of cooling, and then realize and water is not used to the air-cooled of metallurgical slag, whole flow process, both save and used water, effectively prevent again
The problem of activity of steel slag that water quenching is brought is low.Slag case is extending at least partially into additionally, due to the heat exchanger of the first Stirling engine
Interior, it can receive the heat energy of air in the heat radiation of red slag and slag case, and the heat energy after heat exchange can drive the first Stirling
Engine acting generates electricity, and realizes the recycling that heat energy is carried to red slag.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation for the air-cooled metallurgical slag treatment apparatus that the utility model embodiment provides.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The all other embodiment obtained, belong to the scope of the utility model protection.
Referring to Fig. 1, the utility model embodiment provides a kind of air-cooled metallurgical slag treatment apparatus, including slag case 1 and enters
Air pipe 2, slag case 1 have closed heat insulation function, and the air inlet of air inlet pipeline 2 is communicated to ambient atmosphere, and its gas outlet is stretched into
In slag case 1, outside air can enter in slag case 1 through air inlet pipeline 2, and first charging aperture, first charging aperture master are provided with slag case 1
If for importing the red slag of caused melting in metallurgical process into slag case 1, red slag can be various metallurgical slags, for example, blast furnace slag or
Person's slag etc., is typically provided with chute 11 at first charging aperture, and one end of chute 11 is located at the inner side of slag case 1 and close to slag case
The upper end position of 1 inwall, and the other end then extends outside and can be connected with metallurgical producing line, is integrally inclined to set, then metallurgical process
In caused red slag through chute 11 automatically into slag case 1, air compressor machine 21 is provided with air inlet pipeline 2, it is not still extraneous
The dynamical element that air enters in slag case 1, and can compress into the air in slag case 1 so that the air into slag case 1
The gas outlet of air inlet pipeline 2 is projected in a manner of ejection, the gas outlet of certain air inlet pipeline 2 should be located at the lower section of chute 11, place
Reason device also includes the first Stirling engine 3, and the heat exchanger 31 of the first Stirling engine 3 is extending at least partially into slag case
In 1, and the cooler 32 of the first Stirling engine 3 is then located at the outside of slag case 1, the heat exchange for the first Stirling engine 3
Device 31 then includes hot chamber and heater, can realize heat exchange in slag case 1.In the utility model, red slag is imported by chute 11
In slag case 1, and during red slag falls to the bottom of slag case 1, the compressed air stream sprayed in air inlet pipeline 2 can produce to red slag
Raw impact, can not only play a part of broken red slag, can also realize heat exchange with red slag, reduce the temperature of red slag, to rise
To the effect of air-cooled red slag, specifically, the end that slag case 1 is stretched into air inlet pipeline 2 is provided with nozzle 22, and nozzle 22 is towards
The feed path of one charging aperture, the air-flow that nozzle 22 sprays can produce preferable percussion to the red slag on feed path,
And water is not used in above-mentioned whole flow process, both save and used water, effectively prevent the problem of activity of steel slag that water quenching is brought is low again；
And on the other hand, the heat exchanger 31 of the first Stirling engine 3 in slag case 1 can receive red slag heat radiation and
Heat energy in slag case 1 in air, the heat energy can make it that gas expansion compresses in the first Stirling engine 3, and then realize hair
The purpose of electricity acting, ensure that red slag carries effective utilization of heat, and generated electricity compared to traditional vapor, heat utilization ratio compares
Height, while the flow of whole waste heat recovery flow is short, equipment is simple, and maintenance is small, and fault rate is small, and reliability is high.
Optimize above-described embodiment, the cooler 32 of the first Stirling engine 3 is wrapped in the outside of air inlet pipeline 2, and
In gas circuit between the air inlet and air compressor machine 21 of air inlet pipeline 2.In the present embodiment, the first Stirling engine 3 changes
Hot device 31 is located in slag case 1, carries out heat exchange heating with the heat that red slag carries, while be cooled to device 32 and be wrapped in air inlet pipe
On road 2, heat exchange cooling is carried out with the air-flow in air inlet pipeline 2, and then the heat exchanger of the first Stirling engine 3 can be aggravated
The temperature difference between 31 and cooler 32, it can not only improve the rate of recovery of heat, additionally it is possible to it is right to improve the first Stirling engine 3
The forward rate of electric energy.
Continue to optimize above-described embodiment, processing unit also includes fume treatment component 4, fume treatment component 4 and slag case 1
Exhanst gas outlet connection.In the present embodiment, red slag wind cooling temperature lowering in slag case 1, and can be produced in slag case 1 in this process big
Amount carries the flue gas of lime-ash, and exhanst gas outlet of the flue gas through slag case 1 is discharged and entered in fume treatment component 4 and purified, so that
It can be discharged in ambient atmosphere.For the processing unit of this structure type, it can have additional the second Stirling engine
5, the heat exchanger of the second Stirling engine 5 is extending at least partially into fume treatment component 4, the second Stirling engine 5 it is cold
But device is wrapped in the gas circuit between the air inlet of air inlet pipeline 2 and air compressor machine 21.In the present embodiment, flue gas is drained into by slag case 1
After in fume treatment component 4, flue-gas temperature is still higher, and the heat exchanger 51 of the second Stirling engine 5 is located at fume treatment
Heat exchange can be realized with the flue gas in fume treatment component 4 in component 4, and then the second Stirling engine 5 is sent out
Electricity acting, further improves the waste heat recovery of processing unit, and the mode of installing of the second Stirling engine 5 is sent out with the first Stirling
Motivation 3 installs mode approximation, and its cooler 52, which is also wrapped in exchange heat with the air-flow in air inlet pipeline 2 on air inlet pipeline 2, to cool,
Continue to improve heat recovery rate, ensure forward rate of second Stirling engine 5 to electric energy.Typically, second Stirling engine 5
Cooler 32 of 52 devices compared to the first Stirling engine 3 is cooled down closer to the air inlet of air inlet pipeline 2, this is special with guarantee second
The temperature difference between the cooler 52 and heat exchanger 51 of woods engine 5.
Further, refine the structure of fume treatment component 4, it include cyclone dust collectors 41, sack cleaner 42 and
Chimney 43, three is sequentially communicated, and chimney 43 connects with ambient atmosphere, and cyclone dust collectors 41 connect with the exhanst gas outlet of slag case 1.
In the present embodiment, cyclone dust collectors 41 are rough dedusting, and sack cleaner 42 is refined dedusting, and should be introduced into whirlwind to this flue gas removes
Dedusting successively in sack cleaner 42 is entered back into dirt device 41, and the air after both dedustings can be drained into the external world greatly by chimney 43
Gas.Certain fume treatment component 4 should also include blower fan 44, as the power of flow of flue gas in fume treatment component 4, drive cigarette
Gas is generally positioned on the stream between chimney 43 and sack cleaner 42 along the flowing dedusting of both fixed tracks, blower fan 44, avoid through
Cross that the content of lime-ash in the gas of blower fan 44 is higher, influence the service life of blower fan 44.With reference to the second Stirling engine 5, by
It is introduced into the flue gas of row's slag tapping box 1 in cyclone dust collectors 41, then the flue-gas temperature in cyclone dust collectors 41 is of a relatively high, to this
The heat exchanger 51 of second Stirling engine 5 is extending at least partially into heat exchange heating in cyclone dust collectors 41.
Further, processing unit also includes conveyer 6 and feed bin 7, and conveyer 6 connects the discharging of feed bin 7 and slag case 1
Mouthful.In the present embodiment, the lower end of slag case 1 is integrally then located at necking position in gradually-reducing shape structure straight down, the discharging opening of slag case 1
Put, and then the metallurgical slag (foregoing red slag, being not red after cooling) of cooling in slag case 1 can be facilitated to be discharged by discharging opening, convey
Machine 6 is located at the underface of discharging opening, and the metallurgical slag after cooling is fallen in conveyer 6, then is transported to by conveyer 6 in feed bin 7
Storage.The height of usual feed bin 7 is higher than conveyer 6, and the charging aperture of feed bin 7 is located at upper end, then is provided with the outside of feed bin 7
Bucket elevator 71, the metallurgical slag on conveyer 6 is transported in feed bin 7 by bucket elevator 71.
Optimize above-described embodiment, processing unit also includes recycle circuit 8, and slag case 1 has second charging aperture, and this second enters
Material mouth also is located at the top of the gas outlet of air inlet pipeline 2, and recycle circuit 8 connects second charging aperture and conveyer 6, and in conveyer 6
On be provided with temperature sensor (not shown), for detecting the temperature of metallurgical slag on conveyer 6.In the present embodiment, second
Chute 81 is also equipped with charging aperture, for the chute 81 also to be obliquely installed, recycle circuit 8 connects conveyer 6 and second charging aperture
Corresponding chute 81, the metallurgical slag on conveyer 6 can be imported in slag case 1 again.Generally there is a control centre, conveyer
6 are electrically connected to the control centre with temperature sensor, and chilling temperature is set with the control centre, for example are 100 DEG C,
When the metallurgical slag temperature after temperature sensor detection cooling is less than 100 DEG C, it is by the feedback of the information to control centre, in control
The heart controls conveyer 6 that metallurgical slag is transported into storage in feed bin 7 after comparing design temperature, if the temperature of temperature sensor detection
Higher than 100 DEG C, control centre then controls conveyer 6 that metallurgical slag is transported into recycle circuit 8, and metallurgical slag is imported slag case 1 again
Interior cooling.Chute 81 corresponding to certain second charging aperture should also be corresponding with the air-flow that air inlet pipeline 2 is discharged, the also direction the of nozzle 12
Feed path corresponding to two charging apertures so that air-flow can also impact the metallurgical slag imported by the chute 81, play quick cooling
The purpose of cooling.Still further aspect, cyclone dust collectors 41 also are located at the surface of conveyer 6, big in cyclone dust collectors 41
Grain lime-ash also drops on conveyer 6, bulky grain lime-ash also by temperature sensor detection temperature, and then by conveyer 6 control into
Enter storage in feed bin 7 or be imported into repetition cooling in slag case 1.Reversible heat-resistant disc conveyer can be used for conveyer 6
6, recycle circuit 8 is located at two ends of the reversing of motion of conveyer 6 with feed bin 7 respectively, is transported by the both forward and reverse directions of conveyer 6
It is dynamic metallurgical slag is transported in feed bin 7 or recycle circuit 8.Recycle circuit 8 is also mainly elevator 82, and conveyer 6 is by height
The metallurgical slag of temperature is delivered in the elevator 82, then as corresponding to the elevator 82 imports second charging aperture in chute 81.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
Within the spirit and principle of utility model, any modification, equivalent substitution and improvements made etc., the utility model should be included in
Protection domain within.
Claims (10)
1. a kind of air-cooled metallurgical slag treatment apparatus, including slag case and the air inlet pipeline that is connected with the slag case, the slag case
On be provided with first charging aperture, be provided with air compressor machine on the air inlet pipeline, it is characterised in that：Also start including the first Stirling
Machine, the heat exchanger of first Stirling engine are extending at least partially into the slag case.
2. air-cooled metallurgical slag treatment apparatus as claimed in claim 1, it is characterised in that：First Stirling engine
Cooler is wrapped in the gas circuit between the air inlet of the air inlet pipeline and the air compressor machine.
3. air-cooled metallurgical slag treatment apparatus as claimed in claim 1, it is characterised in that：Also include fume treatment component, institute
The exhanst gas outlet that fume treatment component is stated with the slag case connects.
4. air-cooled metallurgical slag treatment apparatus as claimed in claim 3, it is characterised in that：Also start including the second Stirling
Machine, the heat exchanger of second Stirling engine are extending at least partially into the fume treatment component, second Stirling
The cooler of engine is wrapped in the gas circuit between the air inlet of the air inlet pipeline and the air compressor machine.
5. air-cooled metallurgical slag treatment apparatus as claimed in claim 3, it is characterised in that：The fume treatment component includes rotation
Wind deduster, sack cleaner and chimney, three are sequentially communicated, and the exhanst gas outlet of the cyclone dust collectors and the slag case
Connection.
6. air-cooled metallurgical slag treatment apparatus as claimed in claim 1, it is characterised in that：Also include conveyer and feed bin, institute
State the discharging opening that conveyer connects the feed bin and the slag case.
7. air-cooled metallurgical slag treatment apparatus as claimed in claim 6, it is characterised in that：Also include recycle circuit, the slag
Case has second charging aperture, and the recycle circuit connects the second charging aperture and the conveyer, set on the conveyer
There is temperature sensor.
8. air-cooled metallurgical slag treatment apparatus as claimed in claim 7, it is characterised in that：It is provided with and carries on the recycle circuit
The machine of liter.
9. air-cooled metallurgical slag treatment apparatus as claimed in claim 7, it is characterised in that：The first charging aperture and described the
Chute is provided with two charging apertures.
10. air-cooled metallurgical slag treatment apparatus as claimed in claim 1, it is characterised in that：Institute is stretched into the air inlet pipeline
The end for stating slag case is provided with nozzle, feed path of the nozzle towards the first charging aperture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720569312.3U CN206843514U (en) | 2017-05-22 | 2017-05-22 | Air-cooled metallurgical slag treatment apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720569312.3U CN206843514U (en) | 2017-05-22 | 2017-05-22 | Air-cooled metallurgical slag treatment apparatus |
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| Publication Number | Publication Date |
|---|---|
| CN206843514U true CN206843514U (en) | 2018-01-05 |
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ID=60795595
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720569312.3U Active CN206843514U (en) | 2017-05-22 | 2017-05-22 | Air-cooled metallurgical slag treatment apparatus |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107287369A (en) * | 2017-05-22 | 2017-10-24 | 中冶南方工程技术有限公司 | Air-cooled metallurgical slag treatment apparatus |
| CN109095795A (en) * | 2018-09-12 | 2018-12-28 | 南京有荣节能科技有限公司 | A kind of method of resource utilization copper smelter slag |
-
2017
- 2017-05-22 CN CN201720569312.3U patent/CN206843514U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107287369A (en) * | 2017-05-22 | 2017-10-24 | 中冶南方工程技术有限公司 | Air-cooled metallurgical slag treatment apparatus |
| CN107287369B (en) * | 2017-05-22 | 2019-12-10 | 中冶南方工程技术有限公司 | Air-cooled metallurgical sediment processing apparatus |
| CN109095795A (en) * | 2018-09-12 | 2018-12-28 | 南京有荣节能科技有限公司 | A kind of method of resource utilization copper smelter slag |
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