CN202658171U - Blast furnace slag granulation cylinder device - Google Patents
Blast furnace slag granulation cylinder device Download PDFInfo
- Publication number
- CN202658171U CN202658171U CN2012202544088U CN201220254408U CN202658171U CN 202658171 U CN202658171 U CN 202658171U CN 2012202544088 U CN2012202544088 U CN 2012202544088U CN 201220254408 U CN201220254408 U CN 201220254408U CN 202658171 U CN202658171 U CN 202658171U
- Authority
- CN
- China
- Prior art keywords
- cylinder
- blast furnace
- furnace slag
- spiral
- slag
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B2400/00—Treatment of slags originating from iron or steel processes
- C21B2400/02—Physical or chemical treatment of slags
- C21B2400/022—Methods of cooling or quenching molten slag
- C21B2400/026—Methods of cooling or quenching molten slag using air, inert gases or removable conductive bodies
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B2400/00—Treatment of slags originating from iron or steel processes
- C21B2400/05—Apparatus features
- C21B2400/052—Apparatus features including rotating parts
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B2400/00—Treatment of slags originating from iron or steel processes
- C21B2400/05—Apparatus features
- C21B2400/052—Apparatus features including rotating parts
- C21B2400/054—Disc-shaped or conical parts for cooling, dispersing or atomising of molten slag rotating along vertical axis
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B2400/00—Treatment of slags originating from iron or steel processes
- C21B2400/05—Apparatus features
- C21B2400/066—Receptacle features where the slag is treated
- C21B2400/074—Tower structures for cooling, being confined but not sealed
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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
Abstract
The utility model discloses a blast furnace slag granulation cylinder device, which belongs to a blast furnace slag processor, and comprises a cylinder, wherein a slag inlet is arranged above the cylinder, a slag particle outlet is arranged below the cylinder, the cylinder is divided into an upper portion and a lower portion, the upper portion of the cylinder is arranged in a mobile mode, and a granulation device is further arranged in the cylinder. One or more screw air nozzles are arranged in the inner sides of the upper portion and the lower portion of the cylinder. The blast furnace slag granulation cylinder device further prolongs descending speed of slag particles in the cylinder by arranging the screw air nozzles in the cylinder and connecting a compressed-air pipe which extends outside the cylinder into an air compressor, further can prevent the slag particles from colliding the inner wall of the cylinder when descending simultaneously, enables the cylinder not to be damaged, and prolongs service life. The blast furnace slag granulation cylinder device is simple in structure, can be used for slag granulation of various blast furnaces, and is wide in applied range.
Description
Technical field
The utility model is related to a kind of blast furnace slag processing device, in particular, and the utility model relates generally to a kind of Blast furnace slag granulation wound packages and put.
Background technology
Blast furnace slag is the principal by product of iron-making production, and it often produces the blast furnace slag that 1 ton of pig iron wants 0.3~0.6 ton or so of by-product by non-volatile in the gangue in ore, the ash content in fuel and flux.6.3 hundred million tons of China's pig iron yield in 2011, even if being calculated by 0.3t slags/t iron, the quantum of output of blast furnace slag is 1.89 hundred million tons, and discharge temperature is at 1450 DEG C or so.There is serious environmental pollution and energy waste in existing flush slag technique, the heat waste of 5,000 ten thousand tons of standard coals or so and 1,000,000 tons of sulfide staining thing are caused every year.It can be seen that molten blast furnace slag processing and Exposure degree just turn into iron and steel enterprise's environmental protection and energy-saving important channel.
With respect to the shortcoming of water quenching technology, dry granulation, which is reclaimed, turns into the research theme that current afterheat of slags is reclaimed.Dry granulation waste heat recovery mainly has several different methods：Wind crush method, revolving cup method, impaction, fluidized bed process, rotary drum chilling method and continuously stir method.But substantially all using high-pressure blast and it is aided with aqueous water to slag progress granulation cooling in these Slag treatment technologies; there is granulated slag particle diameter big; institute's required airflow is larger, the problems such as cooling velocity is slow, pelletizer volume is big, equipment investment is high, gained grain slag also needs follow-up break process.Obviously, the granulation technique of molten slag is to solve key of problems in existing dry granulation technique, and micronized degree is higher, then the faster, vitrifying degree that exchanges heat is higher, solidification is faster, adhesion possibility is smaller.Therefore, study a kind of granulation dry granulation that effect is good, cooling velocity is fast and heat recovering device is very important, be also to realize one of precondition of sensible heat high efficiente callback and short route high added value slag process for manufacturing product.
Utility model content
One of the purpose of this utility model is to solve above-mentioned deficiency to put there is provided a kind of Blast furnace slag granulation wound packages, does not thoroughly cause secondary bonding to expect to solve to cool down after Blast furnace slag granulation in the prior art, influences the technical problems such as the granulation effect of slag.
To solve above-mentioned technical problem, the utility model uses following technical scheme：
A kind of Blast furnace slag granulation wound packages provided by the utility model is put, including cylinder, and slag entrance is provided with above cylinder; lower section is provided with slag particle outlet; described cylinder is divided into top and bottom, and its top is movable type, and the inside of cylinder is also equipped with prilling granulator；Described cylinder top or/and lower inside are provided with one or more spiral of air nozzles.
Further technical scheme：At least one exhanst gas outlet is provided with the top or bottom of described cylinder.
Further technical scheme：The spiral of air nozzle that described cylinder upper inner is set is downwardly inclined, and the spiral of air nozzle that bottom is set is tilted upward.
Further technical scheme：The top of described cylinder is 8 to 36 with the spiral of air nozzle that lower inside is set.
Further technical scheme：The top of described cylinder or/and lower inside set the angle angle of spiral of air nozzle and cylinder inboard wall all identical, and angle direction is consistent.
Further technical scheme：Compressed air piping is additionally provided between the inner and outer of described cylinder, compressed air piping is connected with spiral of air nozzle, and compressed air piping extends to the outside of cylinder.
Further technical scheme：Retaining cavity is provided between the outer wall and inwall of described cylinder.
Further technical scheme：The rounded column of described cylinder, and side is in V-shape below.
Compared with prior art, one of the beneficial effects of the utility model are：By setting spiral of air nozzle in the inner side of cylinder, and will extend into the access air compression plant of the air compression pipe outside cylinder, the spiral wind blown out by spiral of air nozzle make it that the track of the shape of the slag particle after being granulated through granulating device helically declines, and the speed declined is slow, it is adequately cooled, the structure set plus the spiral of air nozzle relative tilt of cylinder top and bottom, its spiral wind is set to cool down the air of convection current above and below slag particle formation, the speed that further extension slag particle declines in cylinder, cylinder inboard wall is collided when also slag particle can be avoided to decline simultaneously, so that cylinder is hardly damaged, extend its service life, and a kind of Blast furnace slag granulation wound packages provided by the utility model puts simple in construction, available for various Blast furnace slag granulations, application is wide.
Brief description of the drawings
Fig. 1 is the utility model structural representation；
Fig. 2 is a kind of embodiment cylinder side partial enlarged drawing of the utility model；
Fig. 3 is the cross-sectional structure schematic diagram of another embodiment cylinder of the utility model.
Embodiment
The utility model is further elaborated below in conjunction with the accompanying drawings.
Fig. 1 shows the structural representation of the utility model conventional embodiment, it is shown in Figure 1, the first embodiment provided by the utility model is that a kind of Blast furnace slag granulation wound packages is put, a basic embodiment of technical problem is solved as the utility model, it includes cylinder 1, the top of cylinder 1 is provided with slag entrance 7, lower section is provided with slag particle outlet 8, 1 point described of cylinder is top and bottom, and it is movable type that the top of cylinder 1, which is set to top, it can be fixed on support frame and move, and the inside of cylinder 1 is also equipped with prilling granulator 2, prilling granulator 2 is preferably mounted on the inside on the top of cylinder 1, with reference to the conventional shape of prior art middle cylinder body, described cylinder 1 is preferably provided in round column, and side is in the form of V-shape below；One or more spiral of air nozzles 3 are provided with the inside of the described upper and lower part of cylinder 1, the other end of spiral of air nozzle 3 need access air compression plant just can be internally formed spiral air flow in cylinder 1, for this kind of function of spiral of air nozzle 3, the technological means of realization refers to prior art, and directly the other end that each spiral of air nozzle 3 is accessed by pipeline can be achieved air compression plant.
And the utility model is different from above-mentioned basic embodiment, there is provided a kind of realize above-mentioned makes spiral of air nozzle 3 realize in cylinder 1 to be internally formed spiral air flow function more excellent technological means, compressed air piping 5 is additionally provided between the top of cylinder 1 and the inner and outer of bottom, as shown in Figure 2, compressed air piping 5 is connected with spiral of air nozzle 3, and compressed air piping 5 extends to the outside of cylinder 1, now air compression plant only needs to be connected with extending to the air compression pipe 5 outside cylinder 1 by pipeline and can exported compressed air to each spiral of air nozzle 3, spiral air flow is internally formed in cylinder 1.
And the above-mentioned spiral of air nozzle 3 being previously mentioned act as inner barrel formation spiral air flow, to cause resistance to the slag particle after being granulated by the prilling granulator 2 of inner barrel, reduce the speed of its decline, it is set to be adequately cooled inside cylinder 1, therefore the preferred one embodiment of the utility model is on the basis of above-mentioned basic embodiment, spiral of air nozzle 3 is set to multiple, and on the inner side for being evenly distributed in the top of cylinder 1 and bottom, and the spiral of air nozzle 3 that the upper inner of cylinder 1 is set is downwardly inclined, the spiral of air nozzle 3 that bottom is set is tilted upward.Spiral of air nozzle 3 is set after such a form, advantageously in the speed for hindering blast-furnace slag slag particle to decline, the efficiency that further lifting slag particle is exchanged heat in cylinder, and the quantity of spiral of air nozzle 3 can be determined according to the volume inside cylinder 1, volume is bigger, the quantity of spiral of air nozzle 3 is then more, guarantee need to be provided to the intensity of its spiral air flow being internally formed in cylinder 1, to ensure the efficiency of the slag particle heat exchange after granulation, prevent that it from occurring secondary bonding, when inventor is tested, with reference to the conventional-volume for cooling down cylinder in the prior art, think the quantity of spiral of air nozzle 3 preferably is set into 8 to 36, it can be selected according to actual conditions in foregoing number range, for example it is set to 24, 18 etc.；As shown in Figure 3, it is more likely formed simultaneously for guarantee spiral air flow inside cylinder 1, it is all identical in the angle β angles of the foregoing multiple spiral of air nozzles 3 being previously mentioned and the inwall of cylinder 1, and the spiral of air nozzle 3 of the upper inner of cylinder 1 is consistent with the angle β of the inwall of cylinder 1 trend, the spiral of air nozzle 3 of the lower inside of cylinder 1 is consistent with the angle β of the inwall of cylinder 1 trend.
And in the above-mentioned spiral air flow that is internally formed being previously mentioned by spiral of air nozzle 3 in cylinder, reduce the speed that slag particle declines, to cause slag particle being exchanged heat to sufficient in cylinder 1, for this kind of function, cooling structure of the inventor employed in cylinder 1 is that retaining cavity 6 is set between the outer wall and inwall of cylinder 1, realized by way of water cooling and the blast-furnace slag slag particle after granulation is cooled down, and it can also be connected by the storage chamber body phase between pipeline and the outer wall of cylinder 1 and inwall, regularly replace its internal cooling water, it is unaffected to ensure the cooling effect inside cylinder 1.
On on the basis of the above-mentioned one of the present utility model basic embodiment provided and another preferred embodiment, the flue gas of high temperature can be produced after being cooled down due to the inside slag particle of cylinder 1, and the heat of the flue gas can be utilized again, therefore an exhanst gas outlet 4 can be set on cylinder 1, avoid its internal flue gas from being excluded with slag entrance and slattern its heat, also the addition to blast-furnace slag forms obstruction, and higher in view of high-temperature flue-gas is up migration, therefore exhanst gas outlet 4 is preferably arranged on to the top of cylinder 1.
" one embodiment ", " another embodiment ", " embodiment " for being spoken of in this manual, etc., refer to combining specific features, structure or feature that the embodiment describes and be included at least one embodiment of the application generality description.It is not necessarily to refer to same embodiment that statement of the same race, which occur, in multiple places in the description.Furthermore, it is understood that when describing a specific features, structure or feature with reference to any embodiment, what is advocated is to realize that this feature, structure or feature also fall in the range of the utility model with reference to other embodiment.
Although reference be made herein to the utility model is described multiple explanatory embodiments of the present utility model, but, it should be appreciated that, those skilled in the art can be designed that a lot of other modification and embodiment, and these modifications and embodiment will fall within spirit disclosed in the present application and spirit.More specifically, in the range of disclosure, drawings and claims, a variety of variations and modifications can be carried out to the building block and/or layout of theme composite configuration.In addition to the variations and modifications carried out to building block and/or layout, to those skilled in the art, other purposes also will be apparent.
Claims (8)
1. a kind of Blast furnace slag granulation wound packages is put, including cylinder（1）, cylinder（1）Top be provided with slag entrance（7）, lower section is provided with slag particle outlet（8）, it is characterised in that：Described cylinder（1）It is divided into top and bottom, its top is movable type, and cylinder（1）Inside be also equipped with prilling granulator（2）；Described cylinder（1）One or more spiral of air nozzles are provided with the inside of upper and lower part（3）.
2. Blast furnace slag granulation wound packages according to claim 1 is put, it is characterised in that：Described cylinder（1）Top or bottom on be provided with least one exhanst gas outlet（4）.
3. Blast furnace slag granulation wound packages according to claim 1 is put, it is characterised in that：Described cylinder（1）The spiral of air nozzle that upper inner is set（3）It is downwardly inclined, the spiral of air nozzle that bottom is set（3）Tilt upward.
4. Blast furnace slag granulation wound packages according to claim 3 is put, it is characterised in that：Described cylinder（1）The spiral of air nozzle that sets of top and lower inside（3）For 8 to 36.
5. Blast furnace slag granulation wound packages according to claim 4 is put, it is characterised in that：Described cylinder（1）Upper and lower part on the inside of set spiral of air nozzle（3）With cylinder（1）The angle angle of inwall is all identical.
6. Blast furnace slag granulation wound packages according to claim 1 is put, it is characterised in that：Described cylinder（1）Inner and outer between be additionally provided with compressed air piping（5）, compressed air piping（5）With spiral of air nozzle（3）It is connected, and compressed air piping（5）Extend to cylinder（1）Outside.
7. Blast furnace slag granulation wound packages according to claim 1 is put, it is characterised in that：Described cylinder（1）Outer wall and inwall between be provided with retaining cavity（6）.
8. Blast furnace slag granulation wound packages according to claim 1 is put, it is characterised in that：Described cylinder（1）Rounded column, and side is in V-shape below.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202544088U CN202658171U (en) | 2012-05-31 | 2012-05-31 | Blast furnace slag granulation cylinder device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202544088U CN202658171U (en) | 2012-05-31 | 2012-05-31 | Blast furnace slag granulation cylinder device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202658171U true CN202658171U (en) | 2013-01-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012202544088U Expired - Fee Related CN202658171U (en) | 2012-05-31 | 2012-05-31 | Blast furnace slag granulation cylinder device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202658171U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105154604A (en) * | 2015-10-08 | 2015-12-16 | 中冶南方工程技术有限公司 | Method and device for improving energy efficiency of iron-making technology |
| CN107416832A (en) * | 2017-08-03 | 2017-12-01 | 神雾环保技术股份有限公司 | A kind of carbide liquid air prilling and the system and method for UTILIZATION OF VESIDUAL HEAT IN |
-
2012
- 2012-05-31 CN CN2012202544088U patent/CN202658171U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105154604A (en) * | 2015-10-08 | 2015-12-16 | 中冶南方工程技术有限公司 | Method and device for improving energy efficiency of iron-making technology |
| CN107416832A (en) * | 2017-08-03 | 2017-12-01 | 神雾环保技术股份有限公司 | A kind of carbide liquid air prilling and the system and method for UTILIZATION OF VESIDUAL HEAT IN |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130109 Termination date: 20160531 |