CN209210837U - A kind of blast-furnace slag processing system - Google Patents
A kind of blast-furnace slag processing system Download PDFInfo
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- CN209210837U CN209210837U CN201821844087.0U CN201821844087U CN209210837U CN 209210837 U CN209210837 U CN 209210837U CN 201821844087 U CN201821844087 U CN 201821844087U CN 209210837 U CN209210837 U CN 209210837U
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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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
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Abstract
The utility model belongs to metallurgical slag processing technology field, and in particular to a kind of blast-furnace slag processing system, including slag ditch, granulation tower, granulation box and detritus tank；The granulation tower is equipped with clinker entrance, granulation water inlet and slag outlet, and the granulation water inlet is located at the lower section of the clinker entrance；The clinker inlet is equipped with diversion pipe, and the slag ditch is connected to by the diversion pipe with the granulation tower；The granulation box is connected to the granulation water inlet, and the water in the granulation box is sprayed into the granulation tower by the granulation water inlet and carries out water quenching to clinker；The slag outlet is located at the bottom of the granulation tower, and the slag outlet is located at the liquid level of the detritus tank or less.Blast-furnace slag processing system provided by the utility model, not only efficiently, environmental protection, invest low, convenient operating maintenance, effectively vapor collection high and medium can also be discharged, steam is avoided to diffuse, reduce the maintenance cost of steel plant.
Description
Technical field
The utility model belongs to metallurgical slag processing technology field, and in particular to a kind of blast-furnace slag processing system.
Background technique
Currently, the processing method of blast furnace slag routine mainly has rotary drum method, stirring cage method, wheel method and bottom filter method and horizontal flow basin heavy
Shallow lake method, main flow are that blast furnace red dregs form slag-water slurry after high pressure water punching, then pass through the slag of different process
The grain slag of water separating method acquisition glassy state.No matter which kind of method is taken, and the steam formed after flush slag can all diffuse everywhere, hold
Perishable cast house workshop and furnace top equipment.
Summary of the invention
In order to overcome the shortcomings of the prior art described above, the purpose of the utility model is to provide a kind of efficient, environmental protection, throwing
Low, convenient operating maintenance blast-furnace slag processing system is provided, effectively vapor collection high and medium can be discharged, avoid steam more
It is unrestrained, effectively reduce the maintenance cost of steel plant.
To achieve the above object, the technical solution of the utility model be a kind of blast-furnace slag processing system, including slag ditch,
It is granulated tower, granulation box and detritus tank；The granulation tower is equipped with clinker entrance, granulation water inlet and slag outlet, the granulation
Water inlet is located at the lower section of the clinker entrance；The clinker inlet is equipped with diversion pipe, and the slag ditch passes through the water conservancy diversion
Pipe is connected to the granulation tower；The granulation box is connected to the granulation water inlet, and the water in the granulation box passes through the grain
Change water inlet to spray into the granulation tower to clinker progress water quenching；The slag outlet is located at the bottom of the granulation tower, and institute
It states slag outlet and is located at the liquid level of the detritus tank or less.
Further, side opposite with the granulation water inlet in the granulation tower is additionally provided with for being further crushed furnace
The shock plate of slag.
Further, the side of the shock plate is fixed on the inner wall of the granulation tower, and the shock plate upper surface
It is fixed along it and is sloped downwardly setting in the one of the granulation inner wall of tower.
Further, further include clear water reserviors, be arranged between the clear water reserviors and the detritus tank by baffle interval, it is described
Partition is equipped with overflow port, and the clear water reserviors are connected to the detritus tank by the overflow port.
Further, the clear water reserviors are connected to by hot water pump group with a cooling tower.
Further, dashpot, the side of the dashpot and institute are additionally provided between the slag ditch and the granulation tower
The connection of slag ditch is stated, the other side is connected to by the diversion pipe with the granulation tower.
It further, further include conveying device for being transported to the clinker in detritus tank outside the detritus tank, it is described
One end of conveying device is located at the lower section of the slag outlet in the detritus tank and in the granulation tower, and the other end is located at described heavy
Outside slag bath.
As an implementation, the conveying device is chain and pan conveyor, the slag outlet of the granulation tower and institute
The carrier bar for stating chain and pan conveyor is opposite.
As another embodiment, the conveying device is screw conveyor, the slag outlet of the granulation tower and institute
The feed inlet for stating screw conveyor is connected.
Further, the top of the granulation tower is equipped with steam chimney.
Compared with prior art, the utility model has the following beneficial effects:
(1) the whole system occupied area of blast-furnace slag processing system provided by the utility model is small, characteristics of compact layout, investment
Low, convenient operating maintenance, and processing method is efficiently and environmentally friendly；
(2) increase diversion pipe company between the slag ditch of blast-furnace slag processing system provided by the utility model and granulation tower
It connects, sealing effect is good, prevents steam from escaping from there；
(3) the granulation tower bottom of blast-furnace slag processing system provided by the utility model is placed in detritus tank, in detritus tank
It maintains certain liquid level to carry out water seal to granulation tower bottom by moisturizing, prevents steam from overflowing from bottom；
(4) water that detritus tank bottom of pond will be sunk to using conveying device of blast-furnace slag processing system provided by the utility model
Slag mixture is delivered to outside detritus tank, can handle the foamed slag and bulk slag that generation is granulated in working of a furnace shakiness situation, adaptable.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is the processing technological flow figure of blast-furnace slag processing system provided by the embodiment of the utility model；
In figure: 1, slag ditch, 2, dashpot, 3, diversion pipe, 4, granulation box, 5, granulation tower, 6, steam chimney, 7, impact
Plate, 8, detritus tank, 9, clear water reserviors, 10, conveying device, 11, cooling tower, 12, water replanishing device, 13, hot water pump group, 14, granulation pump
Group.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
All other embodiment obtained, fall within the protection scope of the utility model.
As shown in Figure 1, the utility model embodiment provides a kind of blast-furnace slag processing system, including slag ditch 1, granulation tower
5, granulation box 4 and detritus tank 8；The granulation tower 5 is equipped with clinker entrance, granulation water inlet and slag outlet, the granulation water
Entrance is located at the lower section of the clinker entrance；The clinker inlet is equipped with diversion pipe 3, and the slag ditch 1 passes through the water conservancy diversion
Pipe 3 is connected to the granulation tower 5；The granulation box 4 is connected to the granulation water inlet, and the water in the granulation box 4 passes through institute
Granulation water inlet is stated to spray into the granulation tower 5 to clinker progress water quenching；The slag outlet is located at the bottom of the granulation tower 5
Portion, and the slag outlet is located at the liquid level of the detritus tank 8 or less.Since granulation box 4 is set to the underface of diversion pipe 3,
Therefore, the clinker in granulation tower 5 is entered during the decline by diversion pipe 3, is granulated ejection high-velocity flow water quenching in case 4
Granulation；In addition, being sealing knot at diversion pipe 3 and granulation 5 contact position of tower and at granulation box 4 and granulation 5 contact position of tower
Structure, slag outlet immerse detritus tank 8 liquid level below carry out water seal, prevent steam from bottom overflow, can be effectively by steam
The case where concentrating high altitude discharge, cast house steam existing for traditional residues processing technique is avoided to diffuse, effectively reduces blast fumance
Operation expense.
Further, side opposite with the granulation water inlet in the granulation tower 5 is additionally provided with for being further crushed
The shock plate 7 of clinker.The position of granulation box 4 and diversion pipe 3 is opposite with the position of shock plate 7, and shock plate 7 is in granulation box 4
Lower section is granulated ejection high-velocity flow water quenching granulating in case 4, under the impact of high-velocity flow, grain into the clinker in granulation tower 5
Slag-water slurry after change is flushed to granulation tower 5 close to the side of shock plate 7, and falls on shock plate 7, is further crushed
Granulation, by being granulated twice, further increases the treatment effeciency of blast-furnace slag processing system.
Further, the side of the shock plate 7 is fixed on the inner wall of the granulation tower 5, and table on the shock plate 7
Face, which is fixed along it, is sloped downwardly setting in the one of granulation 5 inner wall of tower.As a kind of implementation, shock plate 7 is wedge shape,
Its longitudinal section is triangle, and the upper surface of shock plate 7 is formed to the intermediate of granulation tower 5 from upper close to the side of granulation 5 inner wall of tower
Downward is obliquely installed, and the end of 7 upper surface of shock plate stretches to the centre of granulation tower 5, and the end of 7 upper surface of shock plate is fallen
It is described granulation tower 5 center line lean on the granulation box 4 side, convenient for broken clinker along 7 upper surface of shock plate to
Under drop to granulation tower 5 bottom, certain buffer function can also be played.
Further, blast-furnace slag processing system provided in this embodiment further includes clear water reserviors 9, the clear water reserviors 9 and institute
It states and is arranged between detritus tank 8 by baffle interval, the partition is equipped with overflow port, and the clear water reserviors 9 and the detritus tank 8 are logical
Cross the overflow port connection.The slag-water slurry generated after water quenching through shock plate 7 further be crushed after fall after, from slag notch into
Enter and further precipitated in detritus tank 8, when the liquid level of detritus tank 8 is higher than overflow port position, the water at 8 top of detritus tank is logical
Overflow port is crossed to enter in clear water reserviors 9.
Further, the clear water reserviors 9 are connected to by hot water pump group 13 with a cooling tower 11.Hot water in clear water reserviors 9
Cooling tower 11 is got to by hot water pump group 13 to carry out cooling heat, and is then got to stokehold continuation flushing cinder by being granulated pump group 14, is followed
Ring uses.
Further, dashpot 2, the side of the dashpot 2 are additionally provided between the slag ditch 1 and the granulation tower 5
It is connected to the slag ditch 1, the other side is connected to by the diversion pipe 3 with the granulation tower 5.Dashpot 2 can play one
The effect temporarily stored allows clinker even into granulation tower 5, carries out continuous processing.
Further, blast-furnace slag processing system provided in this embodiment further includes for turning the clinker in detritus tank 8
The conveying device 10 being transported to outside the detritus tank 8, one end of the conveying device 10 are located in the detritus tank 8 and in the grain
Change the lower section of the slag outlet of tower 5, the other end is located at outside the detritus tank 8.The clinker for sinking to 8 bottom of detritus tank passes through conveying dress
It sets 10 to be transported to outside detritus tank 8, and then is transported by automobile or other transporting modes, can handle and be granulated generation in working of a furnace shakiness situation
Foamed slag and bulk slag, it is adaptable.
As an implementation, the conveying device 10 be chain and pan conveyor, it is described granulation tower 5 slag outlet with
The carrier bar of the chain and pan conveyor is opposite.As an implementation, the conveying device 10 is screw conveyor, the grain
The slag outlet for changing tower 5 is connected with the feed inlet of the screw conveyor.It is heavy that chain and pan conveyor or screw conveyor will be sunk to
The grain slag mixture of 8 bottom of pond of slag bath is delivered to outside granulating pit after carrying out pulp water separation.
Further, the top of the granulation tower 5 is equipped with steam chimney 6, and the steam generated in whole process passes through steam
Chimney high altitude discharge.Emergency diffusion valve is additionally provided at the top of granulation tower 5.
Further, the bottom of the granulation tower 5 is pyramidal structure, falls in sediment after going out convenient for clinker from slag outlet
In pond 8, and the pyramidal structure at least protrudes into the liquid level in detritus tank hereinafter, forming water seal, prevents steam from overflowing from lower part.
Further, blast-furnace slag processing system provided in this embodiment further includes water replanishing device, the water replanishing device with
Clear water reserviors connection is opened water replanishing device, is filled the water into clear water reserviors 9, in clear water reserviors 9 when the liquid level of detritus tank 8 is lower than overflow port
Water pass through overflow port flow into detritus tank 8 in；When the liquid level of detritus tank 8 is higher than overflow port, water replanishing device is closed, is stopped to clear
Pond 9 fills the water.The liquid level of detritus tank 8 and the liquid level of clear water reserviors 9 are kept at overflow port in the present embodiment, are granulated the furnace of tower 5
Slag outlet is located under overflow port.
As shown in Figure 1, the utility model also provides using above-mentioned blast-furnace slag processing system the method for handling clinker, packet
Include following steps:
1) clinker that blast furnace generates is entered in dashpot 2 by slag ditch 1, then the clinker entrance by being located at granulation tower 5
Diversion pipe 3 at position is delivered in granulation tower 5；
2) granulation box 4 that the clinker entered in granulation tower 5 is located at below clinker entrance sprays high-velocity flow water quenching granulating
It is cooling；
3) slag-water slurry after being granulated is fallen on the shock plate 7 in granulation tower 5, and clinker drops to after being further crushed
It is granulated the bottom of tower 5；
4) slag-water slurry is entered in detritus tank 8 by being granulated the slag outlet of the cone section of 5 bottom of tower, and slag-water slurry exists
It is further precipitated in detritus tank 8；Wherein, the slag outlet for being granulated tower 5 is located at the liquid level of detritus tank 8 once；
5) clinker of 8 bottom of detritus tank is sunk to be transported to outside detritus tank 8 by conveying device 10, then by automobile or its
He transports mode；The hot water at 8 top of detritus tank is flowed into clear water reserviors 9 by overflow port；
6) hot water in clear water reserviors 9 is sent to cooling tower 11 by hot water pump group 13 and is cooled down, and obtained cooling water passes through
Granulation pump group 14, which is sent to stokehold, continues flushing cinder.
Wherein, diversion pipe 3 and granulation 5 contact position of tower at and granulation box 4 and granulation 5 contact position of tower at be sealing
Structure, it is sealing state that when work, which is entirely granulated tower 5 with respect to ambient atmosphere, and slag outlet immerses the liquid level of detritus tank 8 or less
Water seal is carried out, prevents steam from overflowing from bottom, effectively vapor collection high and medium can be discharged, steam is avoided to diffuse.
Further, in this embodiment the liquid level of detritus tank 8 and the liquid level of clear water reserviors 9 are kept at overflow port, granulation
The slag outlet of tower 5 is located under overflow port, when the liquid level of detritus tank 8 is lower than overflow port, the moisturizing into detritus tank 8；When heavy
When the liquid level of slag bath 8 is higher than overflow port, stop the moisturizing into detritus tank 8；Generated steam water seal will be granulated in tower 5 in grain
Change in tower.
Blast-furnace slag processing system provided in this embodiment has efficient, environmental protection, the low, convenient operating maintenance of investment etc. significant
Vapor collection high and medium can be discharged effectively, avoid the feelings that cast house steam diffuses existing for traditional residues processing technique by advantage
Condition effectively reduces the operation expense of blast fumance.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (10)
1. a kind of blast-furnace slag processing system, it is characterised in that: including slag ditch, granulation tower, granulation box and detritus tank；The grain
Change tower and be equipped with clinker entrance, granulation water inlet and slag outlet, the granulation water inlet is located at the lower section of the clinker entrance；
The clinker inlet is equipped with diversion pipe, and the slag ditch is connected to by the diversion pipe with the granulation tower；The granulation box
It is connected to the granulation water inlet, the water in the granulation box is sprayed into the granulation tower by the granulation water inlet to clinker
Carry out water quenching；The slag outlet is located at the bottom of the granulation tower, and the slag outlet is located at the liquid level of the detritus tank
Below.
2. a kind of blast-furnace slag processing system as described in claim 1, it is characterised in that: in the granulation tower and the granulation
The opposite side of water inlet is additionally provided with the shock plate for being further crushed clinker.
3. a kind of blast-furnace slag processing system as claimed in claim 2, it is characterised in that: the side of the shock plate is fixed on
On the inner wall of the granulation tower, and the shock plate upper surface is fixed along it to be sloped downwardly in the one of the granulation inner wall of tower and set
It sets.
4. a kind of blast-furnace slag processing system as described in claim 1, it is characterised in that: it further include clear water reserviors, the clear water
It is arranged between pond and the detritus tank by baffle interval, the partition is equipped with overflow port, the clear water reserviors and the sediment
Pond is connected to by the overflow port.
5. a kind of blast-furnace slag processing system as claimed in claim 4, it is characterised in that: the clear water reserviors pass through hot water pump group
It is connected to a cooling tower.
6. a kind of blast-furnace slag processing system as described in claim 1, it is characterised in that: the slag ditch and the granulation tower
Between be additionally provided with dashpot, the side of the dashpot is connected to the slag ditch, the other side by the diversion pipe with it is described
It is granulated tower connection.
7. a kind of blast-furnace slag processing system as described in claim 1, it is characterised in that: further include for will be in detritus tank
Clinker is transported to the conveying device outside the detritus tank, and one end of the conveying device is located in the detritus tank and in the grain
Change the lower section of the slag outlet of tower, the other end is located at outside the detritus tank.
8. a kind of blast-furnace slag processing system as claimed in claim 7, it is characterised in that: the conveying device is that chain-plate type is defeated
Machine is sent, the slag outlet of the granulation tower is opposite with the carrier bar of the chain and pan conveyor.
9. a kind of blast-furnace slag processing system as claimed in claim 7, it is characterised in that: the conveying device is helical feed
The slag outlet of machine, the granulation tower is connected with the feed inlet of the screw conveyor.
10. a kind of blast-furnace slag processing system as described in claim 1, it is characterised in that: the top of the granulation tower is equipped with
Steam chimney.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821844087.0U CN209210837U (en) | 2018-11-09 | 2018-11-09 | A kind of blast-furnace slag processing system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821844087.0U CN209210837U (en) | 2018-11-09 | 2018-11-09 | A kind of blast-furnace slag processing system |
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| CN209210837U true CN209210837U (en) | 2019-08-06 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109161618A (en) * | 2018-11-09 | 2019-01-08 | 中冶南方工程技术有限公司 | A kind of blast-furnace slag processing system and treatment process |
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2018
- 2018-11-09 CN CN201821844087.0U patent/CN209210837U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109161618A (en) * | 2018-11-09 | 2019-01-08 | 中冶南方工程技术有限公司 | A kind of blast-furnace slag processing system and treatment process |
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