CN202511449U - Hot air preparation device for sinter pot test - Google Patents
Hot air preparation device for sinter pot test Download PDFInfo
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- CN202511449U CN202511449U CN2012201741089U CN201220174108U CN202511449U CN 202511449 U CN202511449 U CN 202511449U CN 2012201741089 U CN2012201741089 U CN 2012201741089U CN 201220174108 U CN201220174108 U CN 201220174108U CN 202511449 U CN202511449 U CN 202511449U
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- hot blast
- hot air
- heat
- thermal chimney
- sintering
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Abstract
The utility model relates to the technical field of generation of hot air and discloses a hot air preparation device for a sinter pot test. The hot air preparation device for the sinter pot test comprises a hot air cylinder, a heat-resistant isolated fence, a temperature detector, a hot air medium and a heat source, wherein the upper part of the hot air cylinder adopts a cylindrical structure and the lower part of the hot air cylinder adopts a supporting leg structure; the heat-resistant isolated fence is arranged in the hot air cylinder and positioned at the middle lower part of the cylindrical structure of the hot air cylinder; the hot air medium is arranged in the hot air cylinder; the temperature detector comprises a first temperature detection component and a second temperature detection component; the first detection component is arranged at the middle upper part of the hot air medium; the second detection component is arranged between the bottom of the hot air cylinder and the heat-resistant isolated fence; and the heat source is positioned in the lower opening of the hot air cylinder. The utility model provides a novel hot air sintering test method, which realizes hot air sintering on a sintering material layer by adopting the hot air medium with a certain temperature, so that the hot air preparation device for the sinter pot test has a simple integrated structure, low cost and good using effect, is easy to manufacture and simple to operate, and is suitable for popularization and application.
Description
Technical field
The utility model relates to hot-air generation technique field, mainly is applicable to the experiment of metallurgy industry sintered cup.
Background technology
Hot gas sintering technology is after sintering ignition is intact; Give the sintering top bed of material logical hot blast, descend because of chilling makes intensity to prevent the top layer sintering deposit, thus the yield rate of raising sintering deposit; Reduce quantity of return mines; Sintering mine FeO content is reduced, reach the raising sinter strength, reduce burnup and the purpose that improves the sintering deposit reproducibility.Be to utilize the waste heat of central cooler to carry out hot gas sintering in the SINTERING PRODUCTION.Hot gas sintering is as a kind of new sintering process, and many agglomerant authors study in the laboratory it, the influence that simulation is produced sinter quality and microstructure etc. under different hot blast temperatures and hot blast retention time condition.Yet the generation of hot blast is a key in sintering cup test.A kind of hot wind generating device of mentioning in the document " Zhang Junhong, Xu Nanping, Jin Yonglong, Wu Shiying, the experimental study of Hot Waste gas Sintering in Baosteel, " bao steel technology "; 1999, NO.2 " mainly is made up of hot blast electric furnace, electric furnace lifting handle, hot-blast stove dolly; Wind is heated through the electric heating element of hot blast electric furnace; Then regulate the control temperature, when not needing hot blast, can hot air apparatus be removed fast through lever and dolly through mixer selector valve; The hot wind generating device of mentioning in the document " sweet duty, high-Ti type V-Ti magnetite concentrate hot gas sintering laboratory test, " steel vanadium titanium ",, NO.3 in 1997 " is to adopt the self-control pipe stove, and concrete structure does not elaborate; The generation of also having mentioned hot blast in the document " Zou Linjiang, Li Hongfu, Duan Feng, Zhang Lianfeng, the experimental study of Ji steel hot gas sintering power-saving technology, " industrial furnace ",, NO.4 in 2007 " is to adopt the resistance heat wind furnace, and concrete structure does not elaborate yet.
In sum, domestic research all is to adopt the hot blast electric furnace that air is heated and produce hot blast, prior art in practical application, also exist following can improved technical problem:
1. produce hot blast through adopting the hot blast electric furnace that air is heated; Need cover of using to sintering cup test of specialize, and heating element heater is installed in formation hot blast electric furnace in the cover, heating element heater is relatively more expensive; Its manufacturing cost is high, and manufacture craft is loaded down with trivial details.
2. because the required hot wind generating device utilization rate of sintering cup test is not high, test is just finished and is left unused, and needs after using up to take up an area of to deposit.
The utility model content
The utility model technical problem to be solved provides a kind of sintering cup test and uses the hot blast preparation facilities, and it has adopts the hot blast medium of uniform temperature that sinter bed is realized hot gas sintering, simple in structure, be easy to make, characteristics with low cost.
For solving the problems of the technologies described above, the utility model provides a kind of sintering cup test to use the hot blast preparation facilities, comprising: thermal chimney, heat-resisting isolated gate, temperature monitor, hot blast medium, thermal source;
The middle and upper part of said thermal chimney is a tubular structure, and the bottom is a support leg structure;
Said heat-resisting isolated gate is arranged in the thermal chimney, is positioned at the middle and lower part of thermal chimney tubular structure;
Said hot blast medium is arranged in the thermal chimney, and the bottom of hot blast medium is carried by heat-resisting isolated gate;
Said temperature monitor comprises first detector unit and second detector unit; Said first detecting element is arranged at the middle and upper part of hot blast medium; Said second detecting element is arranged at the thermal chimney bottom between the heat-resisting isolated gate;
Said thermal source is in the space that heat-resisting isolated gate and said supporting leg surround.
Above-mentioned foundation structure is carried out optimized technical scheme does, said heat-resisting isolated gate is arranged in the thermal chimney through removable mode; Said first detecting element is arranged at the middle and upper part of hot blast medium through removable mode; Said second detecting element is arranged at the thermal chimney bottom between the heat-resisting isolated gate through removable mode.
It is that the diameter of said thermal chimney equals the sintered cup diameter that such scheme is carried out further optimized technical scheme.
Carrying out further to such scheme, optimized technical scheme is that said hot blast medium is sintering deposit or cobblestone again.
It is that the granularity of said hot blast medium is 20mm～25mm that such scheme is carried out further again optimized technical scheme again.
Carry out further to such scheme that optimized technical scheme does, said heat-resisting isolated gate is the cast iron grid section, and said cast iron grid section is spaced apart 10mm.
Carry out again further to such scheme that optimized technical scheme does, the spacing of said heat-resisting isolated gate and said thermal chimney bottom is 1/4th of a thermal chimney height again.
The technical scheme that is more preferably is that said thermal source is a fire rod.
The beneficial effect of the utility model is:
1. the utility model provides a kind of new sintering cup test to use the hot blast preparation facilities, and it adopts thermal source that the wind-heat medium in the thermal chimney is heated, through first detecting element monitoring preheat temperature; Deng being heated to temperature required and after sinter bed has been lighted a fire, promptly be put into the sintered cup top to the thermal chimney that the hot blast medium is housed that burns heat, through second detector unit monitoring hot blast temperature; Like this; In the sintering cup test process, when air exhauster during from downdraft, the cold air on top is through being equipped with the thermal chimney of the hot blast medium with uniform temperature; Pass through sinter bed again; Realize hot gas sintering, make this device have and adopt the hot blast medium of uniform temperature that sinter bed is realized hot gas sintering, have simple in structure, be easy to make, characteristics with low cost.
2. each assembly in this device is with low cost, cost-effective many of the device for preparing hot blast than existing employing hot blast electric furnace, and convenient manufacturing.
3. when adopting cobblestone, owing to the cobblestone consumption is less, and cheap and easy to get, make this device low preparation cost as the hot blast medium in this device; When selecting sintering deposit as the hot blast medium for use, sintering deposit can obtain in production scene or test at ordinary times, need not cost, and it is for convenience detach to use up the back, compares the advantage with zero cost with other hot blast media.
The utility model provides a kind of novel hot gas sintering experiment method, adopt the hot blast medium of uniform temperature that sinter bed is realized hot gas sintering, make that sintering cup test is simple with the overall structure of hot blast preparation facilities, be easy to making, and with low cost.The utility model is simple to operate, and result of use is good, is suitable for applying.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment.
Wherein, 1-thermal chimney, 2-first detector unit, 3-hot blast medium, the heat-resisting isolated gate of 4-, 5-second detector unit.
The specific embodiment
For further setting forth the utility model is to reach technological means and the effect that predetermined utility model purpose is taked; Below in conjunction with accompanying drawing and preferred embodiment, the sintering cup test that proposes according to the utility model specific embodiment and the operation principle with the hot blast preparation facilities is elaborated.
As shown in Figure 1, the sintering cup test that the utility model provided is used the hot blast preparation facilities, mainly comprises: thermal chimney 1, first detector unit 2, hot blast medium 3, heat-resisting isolated gate 4, second detector unit 5 and the thermal source.Wherein, the middle and upper part of thermal chimney 1 is a tubular structure, and the bottom is a support leg structure; Heat-resisting isolated gate 4 is arranged in the thermal chimney, is positioned on the support leg structure of thermal chimney.Hot blast medium 3 is arranged in the thermal chimney 1, and the bottom of hot blast medium 3 is carried by heat-resisting isolated gate 4.Temperature monitor is used to detect the preheat temperature of hot blast medium and the hot blast temperature of thermal chimney below, comprising: first detector unit 2 and second detector unit 5; First detecting element 2 is arranged at the middle and upper part of hot blast medium; Second detecting element 5 is arranged between thermal chimney 1 bottom to the heat-resisting isolated gate 4.Preferably, adopt thermocouple as first detector unit 2 in the utility model and second detector unit 5.Thermal source is in the space that heat-resisting isolated gate 4 and supporting leg surround.For thermal source, preferred, adopt fire rod.
For thermal chimney 1, can adopt the material identical to make thermal chimney 1 with sintered cup, make the diameter of thermal chimney 1 equal the diameter of sintered cup, purpose is after test is finished, can be with thermal chimney 1 as sintering cup test with the subsequent use cup of increasing the bed of material, kill two birds with one stone.
For reducing the cost of manufacture of the utility model,, preferably adopt cobblestone cheap and easy to get for hot blast medium 3; Be more preferably, be employed in production scene or the test at ordinary times, make that the cost convergence of hot blast medium 3 is zero with regard to obtainable sintering deposit.For the granularity of hot blast medium 3, preferred, granularity is between 20～25mm.
The course of work of the utility model is: before the test, thermal source heats the wind-heat medium 3 in the thermal chimney 1, through first detecting element, 2 monitoring preheat temperatures; Deng being heated to temperature required and after sinter bed has been lighted a fire, promptly be put into the sintered cup top to the thermal chimney that hot blast medium 3 is housed 1 that burns heat, through second detector unit, 5 monitoring hot blast temperatures; Like this; In the sintering cup test process, when air exhauster during from the downdraft of sintered cup, the cold air on top is through being equipped with the thermal chimney 1 of the hot blast medium 3 with uniform temperature; Pass through sinter bed again, realize hot gas sintering.
In the present embodiment, the height of thermal chimney 1 is 400mm, and diameter is identical with the sintered cup cup; As the hot blast medium, the sintering deposit granularity is between 20～25mm with sintering deposit; Apart from 100mm place, thermal chimney 1 bottom, adopt grid section as heat-resisting isolated gate 4, be spaced apart 10mm between the grid section, adopt the cast iron moulding, be used to carry sintering deposit, and hot blast is passed through; Below thermal chimney 1 top, apart from 150mm place, thermal chimney 1 top, the thermocouple that is provided for monitoring preheat temperature is as first detector unit 2; Apart from 50mm place, thermal chimney 1 bottom, the thermocouple that is provided for monitoring hot blast temperature is as second detector unit 5; The selected element lighted torch is as the thermal source of present embodiment; Between the support leg structure of thermal chimney 1 bottom and the grid section is the fire rod operating space, is convenient to the fire rod insertion sintering deposit is heated.
Before the test; Be placed on place, fire rod operating space after earlier sintering cup test being lighted a fire with fire rod; Sintering deposit is heated; And with the thermocouple monitoring preheat temperature of monitoring preheat temperature, wait to be heated to temperature required with fire rod and after sinter bed light a fire with sintering cup test, promptly be put into above the sintered cup burning the hot thermal chimney that sintering deposit is housed 1.In the sintering cup test process, when air exhauster during from downdraft, the thermal chimney 1 of the cold air on top through the sintering deposit with uniform temperature is housed passes through sinter bed again, thereby reaches the purpose that realizes hot gas sintering.Hot blast temperature is monitored by the thermocouple that is used to monitor hot blast temperature, every in case of necessity reading that write down the thermocouple that once is used to monitor hot blast temperature at a distance from a minute.After hot gas sintering has been tested, can remove thermal chimney 1 from sintered cup top, promptly dismountable after waiting Total Test to finish, thermal chimney 1 is increased the subsequent use cup of the bed of material as sintered cup.
It should be noted last that; The above specific embodiment is only unrestricted in order to the technical scheme of explanation the utility model; Although with reference to instance the utility model is specified, those of ordinary skill in the art should be appreciated that and can make amendment or be equal to replacement the technical scheme of the utility model; And not breaking away from the spirit and the scope of the utility model technical scheme, it all should be encompassed in the middle of the claim scope of the utility model.
Claims (10)
1. a sintering cup test is used the hot blast preparation facilities, it is characterized in that, comprising: thermal chimney, heat-resisting isolated gate, temperature monitor, hot blast medium, thermal source;
The middle and upper part of said thermal chimney is a tubular structure, and the bottom is a support leg structure;
Said heat-resisting isolated gate is arranged in the thermal chimney, is positioned at the middle and lower part of thermal chimney tubular structure;
Said hot blast medium is arranged in the thermal chimney, and the bottom of hot blast medium is carried by heat-resisting isolated gate;
Said temperature monitor comprises first detector unit and second detector unit; Said first detecting element is arranged at the middle and upper part of hot blast medium; Said second detecting element is arranged at the thermal chimney bottom between the heat-resisting isolated gate;
Said thermal source is in the space that heat-resisting isolated gate and said supporting leg surround.
2. sintering cup test as claimed in claim 1 is used the hot blast preparation facilities, it is characterized in that, said heat-resisting isolated gate is arranged in the thermal chimney through removable mode; Said first detecting element is arranged at the middle and upper part of hot blast medium through removable mode; Said second detecting element is arranged at the thermal chimney bottom between the heat-resisting isolated gate through removable mode.
3. sintering cup test as claimed in claim 2 is used the hot blast preparation facilities, it is characterized in that, the diameter of said thermal chimney equals the sintered cup diameter.
4. use the hot blast preparation facilities like any described sintering cup test in the claim 1 to 3, it is characterized in that said hot blast medium is sintering deposit or cobblestone.
5. sintering cup test as claimed in claim 4 is used the hot blast preparation facilities, it is characterized in that, the granularity of said hot blast medium is 20mm～25mm.
6. sintering cup test as claimed in claim 5 is used the hot blast preparation facilities, it is characterized in that, said heat-resisting isolated gate is the cast iron grid section, and said cast iron grid section is spaced apart 10mm.
7. sintering cup test as claimed in claim 4 is used the hot blast preparation facilities, it is characterized in that, the spacing of said heat-resisting isolated gate and said thermal chimney bottom is 1/4th of a thermal chimney height.
8. sintering cup test as claimed in claim 5 is used the hot blast preparation facilities, it is characterized in that, the spacing of said heat-resisting isolated gate and said thermal chimney bottom is 1/4th of a thermal chimney height.
9. sintering cup test as claimed in claim 6 is used the hot blast preparation facilities, it is characterized in that, the spacing of said heat-resisting isolated gate and said thermal chimney bottom is 1/4th of a thermal chimney height.
10. sintering cup test as claimed in claim 9 is used the hot blast preparation facilities, it is characterized in that, said thermal source is a fire rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201741089U CN202511449U (en) | 2012-04-23 | 2012-04-23 | Hot air preparation device for sinter pot test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201741089U CN202511449U (en) | 2012-04-23 | 2012-04-23 | Hot air preparation device for sinter pot test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202511449U true CN202511449U (en) | 2012-10-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201741089U Expired - Fee Related CN202511449U (en) | 2012-04-23 | 2012-04-23 | Hot air preparation device for sinter pot test |
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| Country | Link |
|---|---|
| CN (1) | CN202511449U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110441348A (en) * | 2019-08-15 | 2019-11-12 | 鞍山星源达科技有限公司 | A kind of method that agglomeration for iron mine simulation test suspends realization explication de texte by process |
-
2012
- 2012-04-23 CN CN2012201741089U patent/CN202511449U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110441348A (en) * | 2019-08-15 | 2019-11-12 | 鞍山星源达科技有限公司 | A kind of method that agglomeration for iron mine simulation test suspends realization explication de texte by process |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121031 Termination date: 20170423 |