CN113295005A - Sintering cooling process and sintering cooling system - Google Patents
Sintering cooling process and sintering cooling system Download PDFInfo
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- CN113295005A CN113295005A CN202110005558.9A CN202110005558A CN113295005A CN 113295005 A CN113295005 A CN 113295005A CN 202110005558 A CN202110005558 A CN 202110005558A CN 113295005 A CN113295005 A CN 113295005A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D15/00—Handling or treating discharged material; Supports or receiving chambers therefor
- F27D15/02—Cooling
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
- F27D17/004—Systems for reclaiming waste heat
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
- F27D17/008—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases cleaning gases
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D3/00—Charging; Discharging; Manipulation of charge
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Abstract
The invention discloses a sintering cooling process and a sintering cooling system, wherein the sintering cooling process comprises the following pre-cooling steps: and extracting hot air on a hot sinter falling path between the discharge end of the crusher corresponding to the sintering machine and the feed end of the circular cooler so as to pre-cool the hot sinter before entering the circular cooler. The sintering cooling system comprises a pre-cooling device arranged on a hot sinter falling path between a discharge end of a crusher corresponding to the sintering machine and a feed end of the ring cooling machine, and the pre-cooling device is used for extracting hot air on the hot sinter falling path so as to pre-cool the hot sinter before entering the ring cooling machine. The sintering cooling process and the sintering cooling system aim at solving the technical problems of large cooling air quantity and low cooling efficiency of a circular cooler in the prior art.
Description
Technical Field
The invention relates to the technical field of sintering processes, in particular to a sintering cooling process and a sintering cooling system.
Background
The iron and steel industry is the foundation and the pillar industry of national economy in China, the iron and steel smelting in China is mainly based on a long flow of sintering (pelletizing) coking-blast furnace-converter, more than 75% of blast furnace burden is from sintered ore, the sintering process is a high-energy consumption and high-pollution concentrated link in the iron and steel flow, the energy consumption accounts for 10% of the total energy consumption of the iron and steel metallurgy, the amount of discharged waste gas accounts for 50% of the total waste gas amount of the iron and steel industry, and the discharge of micron-sized fine particle dust, SOx, NOx, persistent organic matters, heavy metals and other pollutants in the waste gas all dominates the first place of the iron and steel industry. The sintering circular cooler is an important part in a sintering process, is mainstream equipment in a sintering process of a steel enterprise at present, and is used for cooling hot sintering ores sintered by a sintering machine so as to facilitate the crushing, screening and conveying of the subsequent sintering ores. In the prior art, a large amount of sinter falls from the sintering machine to the ring cooling machine to cause the ore return rate to be improved, and the hot sinter discharged by the existing sintering machine is cooled by the ring cooling machine, and the existing defects are mainly as follows: the cooling air quantity of the circular cooler is large, and the cooling efficiency is low.
Disclosure of Invention
Technical problem to be solved
Based on the technical scheme, the invention provides a sintering cooling process and a sintering cooling system, and aims to solve the technical problems of large cooling air quantity and low cooling efficiency of a circular cooler in the prior art.
(II) technical scheme
In order to solve the technical problem, the invention provides a sintering cooling process, wherein the sintering cooling process comprises the following pre-cooling steps:
and extracting hot air on a hot sinter falling path between the discharge end of the crusher corresponding to the sintering machine and the feed end of the circular cooler so as to pre-cool the hot sinter before entering the circular cooler.
Preferably, in the pre-cooling step, the hot air extracted on the falling path of the hot sintered ore between the discharge end of the crusher corresponding to the sintering machine and the feed end of the circular cooler is transmitted to a waste heat recovery system.
Preferably, the thickness of the cooling air passing through the bed of hot sinter is 1.5m or more when the hot air is extracted on the falling path of the hot sinter between the discharge end of the crusher and the feed end of the ring cooler corresponding to the sintering machine.
Preferably, the thickness of the cooling air passing through the bed of hot sinter is 3m or more when the hot air is extracted on the falling path of the hot sinter between the discharge end of the crusher and the feed end of the ring cooler corresponding to the sintering machine.
Preferably, the pre-cooling step is primary cooling, the sintering cooling process further comprises a cooling step of a ring cooler as secondary cooling, and the cooling step of the ring cooler comprises: and cooling the hot sintering ore by the circular cooler.
Preferably, the sintering and cooling process comprises a raw material supply step, a mineral aggregate mixing step, a granulating step, a material distributing step, a sintering and crushing step, the pre-cooling step, the cooling step of the circular cooler and a granulating step in sequence.
Preferably, the sintering cooling process further comprises a material level control step: the material height on a hot sintering ore falling path between the discharge end of the crusher corresponding to the sintering machine and the feed end of the ring cooling machine is adjusted by controlling the running speed of the ring cooling machine: and accelerating the running speed of the circular cooler to enable the height of the material on the hot sinter falling path to be reduced, and slowing down the running speed of the circular cooler to enable the height of the material on the hot sinter falling path to be increased.
In addition, the invention also provides a sintering cooling system, wherein the sintering cooling system comprises a pre-cooling device arranged on a hot sinter falling path between the discharge end of a crusher corresponding to the sintering machine and the feed end of the ring cooling machine, and the pre-cooling device is used for extracting hot air on the hot sinter falling path so as to pre-cool the hot sinter before entering the ring cooling machine.
Preferably, the sintering cooling system comprises a raw material system, an ore mixing system, a granulating system, a distributing system, a sintering machine, a crusher, the pre-cooling device, a circular cooler and a granulating system which are sequentially arranged on an ore advancing path.
Preferably, the pre-cooling device comprises a hot-sinter ore slide cylinder, the upper end of the hot-sinter ore slide cylinder is connected with the discharge end of a crusher corresponding to the sintering machine, the lower end of the hot-sinter ore slide cylinder is connected with the feed end of the ring cooling machine, the side wall of the hot-sinter ore slide cylinder is provided with a hot air outlet for extracting hot air to flow out, the upper end of the hot-sinter ore slide cylinder forms a hot-ore inlet, the lower end of the hot-sinter ore slide cylinder forms a hot-ore outlet, and the hot-ore inlet and the hot-ore outlet are respectively used as cooling air inlets.
Preferably, the hot air outlet is connected to the waste heat recovery system sequentially through the dust removal device and the air draft fan.
Preferably, the hot air outlet is located in the middle of the hot sinter ore chute in the vertical direction.
Preferably, the inner wall surface of the hot-sinter ore chute is connected with a first wind shield, the inner wall surface of the bottom of the hot-sinter ore chute is connected with a second wind shield positioned below the first wind shield, and the hot air outlet is arranged between the first wind shield and the second wind shield.
Preferably, the cross section of the hot sinter ore chute is trapezoidal, the upper bottom of the trapezoid corresponds to the position above the side wall of the inner ring of the circular cooler, the lower bottom of the trapezoid corresponds to the position above the side wall of the outer ring of the circular cooler, and the lower bottom is longer than the upper bottom.
(III) advantageous effects
Compared with the prior art, the invention has the beneficial effects that:
in the sintering cooling process and the sintering cooling system provided by the invention, hot air can be extracted on the falling path of the hot sinter between the discharge end of the crusher corresponding to the sintering machine and the feed end of the ring cooling machine so as to pre-cool the hot sinter before entering the ring cooling machine, namely, a pre-cooling step is added before the hot sinter enters the ring cooling machine, so that the cooling air volume of the subsequent ring cooling machine can be greatly reduced, the energy-saving effect is achieved overall, the dust removal effect of the tail of the sintering machine can be enhanced, and the dust removal air volume can be even reduced.
The pre-cooling device replaces a chute with high fall in the prior art, and the pre-cooling device can be filled with mineral materials, so that the falling distance of the mineral materials is greatly reduced, the falling loss of sintered ores is reduced, and the return ores are reduced;
in the preferred scheme, the pre-cooling step and the circular cooler form two-stage cooling, so that heat energy is reasonably utilized, the cooling air volume of the subsequent circular cooler is greatly reduced, the overall energy-saving effect is achieved, the dust removal effect of the tail of the sintering machine can be enhanced, and even the dust removal air volume can be reduced;
in the preferred scheme, the cross section of the hot sinter ore chute is trapezoidal, so that the inner and outer rings of the circular cooler can be uniformly distributed, and the cooling efficiency is favorably improved.
Other advantageous effects of the present invention will be described in the following detailed description.
Drawings
The features and advantages of the present invention will be more clearly understood by reference to the accompanying drawings, which are illustrative and not to be construed as limiting the invention in any way, and in which:
FIG. 1 is a partial schematic view of a sinter cooling system in accordance with an embodiment of the invention;
FIG. 2 is a schematic diagram of a sinter cooling system in accordance with an embodiment of the invention;
FIG. 3 is a schematic view of a partial air draft of a sintering cooling process according to a first embodiment of the present invention;
FIG. 4 is a schematic view of a partial air draft of a sintering cooling process according to a second embodiment of the present invention;
FIG. 5 is a schematic view of a partial air draft of a sintering cooling process according to a third embodiment of the present invention;
FIG. 6 is a block diagram of a sinter cooling system in accordance with an embodiment of the invention;
FIG. 7 is a view showing the internal structure of a pre-cooling device according to a preferred embodiment of the present invention;
FIG. 8 is a top cross-sectional view of a pre-cooling device according to a preferred embodiment of the present invention;
FIG. 9 is a simplified top view of the pre-cooling apparatus and ring cooler assembly of the preferred embodiment of the present invention.
Description of reference numerals:
1. sintering machine, 2, crusher, 3, circular cooler, 4, waste heat recovery system, 5, dust removal device, 6, exhaust fan, 7, wear-resistant block, 8, blower, 9, upper bottom, 10, lower bottom, 11, granule finishing system, 12, raw material system, 13, mineral aggregate mixing system, 14, granulation system, 15, material distribution system, 31, inner ring side wall, 32, outer ring side wall, 100, pre-cooling device, 101, hot sinter ore chute, 102, hot air outlet, 103, hot ore inlet, 104, hot ore outlet, 105, first wind shield, 106 and second wind shield.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, but rather should be construed as broadly as the present invention is capable of modification in various respects, all without departing from the spirit and scope of the present invention.
Referring to fig. 1 to 5 (solid arrows indicate a traveling path of a hot sinter and dotted arrows indicate a traveling path of wind in fig. 1 to 5), the present invention discloses a sinter cooling process, wherein the sinter cooling process includes a pre-cooling step:
the key point of the invention is to pre-cool the hot sintering ore before entering the ring cooling machine 3 at a specific position (the falling path of the hot sintering ore between the discharge end of the crusher 2 and the feed end of the ring cooling machine 3), so that compared with the cooling of the ring cooling machine, additional pre-cooling is added in front of the ring cooling machine, the work of the ring cooling machine can be greatly relieved, and the pre-cooling is different from that performed at other positions, specifically, the extracted hot air can be sequentially transmitted to the waste heat recovery system 4 through the dust removal device 5 and the air draft fan 6, and the waste heat recovery system 4 can comprise various suitable devices, such as a waste heat boiler and the like.
According to a preferred embodiment of the present invention, when hot air is taken on a falling path of the hot sintered ore between a discharge end of the crusher 2 corresponding to the sintering machine 1 and a feed end of the ring cooling machine 3, the thickness of the cooling air passing through the bed of the hot sintered ore is 1.5m or more, and more preferably 3m or more (of course, even if the thickness of the cooling air passing through the bed is less than 1.5m, it will fall within the protection range of the present invention), so that the cooling air can sufficiently exchange heat with the material while passing through the bed, and thus high-quality hot air can be generated, and when the thickness of the bed of the hot sintered ore is 1.5m or more, the temperature of the hot air can reach 300-. The temperature of the hot air generated by the existing circular cooler 3 is between 300-400 ℃, and the high-quality hot air generated by the pre-cooling process can effectively improve the waste heat recovery efficiency.
According to the specific embodiment of the invention, the two-stage sintering and cooling process sequentially comprises a raw material supply step, a mineral aggregate mixing step, a granulating step, a material distributing step, a sintering and crushing step, a pre-cooling step serving as primary cooling, a cooling step serving as secondary cooling of a ring cooling machine and a granulating step, wherein the cooling step of the ring cooling machine comprises the following steps: the hot sinter is cooled by the ring cooling machine 3.
According to a preferred embodiment of the present invention, the sintering cooling process further comprises a level control step: the material height on the falling path of the hot sinter between the discharge end of the crusher corresponding to the sintering machine and the feed end of the ring cooling machine (i.e. the height of the material in the hot sinter chute 101 mentioned below) is adjusted by controlling the running speed of the ring cooling machine: the operation speed of the circular cooler is increased to enable the height of the materials on the falling path of the hot sintering ores to be reduced, and the operation speed of the circular cooler is decreased to enable the height of the materials on the falling path of the hot sintering ores to be increased, so that the falling loss of the sintering ores can be reduced.
The invention also provides a sintering cooling system corresponding to the sintering cooling process, the sintering cooling system comprises a pre-cooling device 100 arranged on a falling path of hot sinter between a discharge end of a crusher 2 corresponding to a sintering machine 1 and a feed end of a ring cooling machine 3, the pre-cooling device 100 is used for extracting hot air on the falling path of the hot sinter to pre-cool the hot sinter before entering the ring cooling machine 3, more specifically, the two-stage sintering cooling system comprises a raw material system 12, an ore mixing system 13, a granulating system 14, a material distributing system 15, the sintering machine 1, the crusher 2, the pre-cooling device 100, the ring cooling machine 3 and a granulating system 11 which are sequentially arranged on a mineral material advancing path, wherein the raw material system 12, the ore mixing system 13, the granulating system 14, the material distributing system 15, the sintering machine 1, the crusher 2, the ring cooling machine 3 and the granulating system 11 can adopt various known related devices and devices, and will not be described further herein.
According to the embodiment of the present invention, the pre-cooling device 100 includes a hot-sinter chute 101, but is not limited to the chute structure, the upper end of the hot-sinter chute 101 is connected to the discharge end of the crusher 2 corresponding to the sintering machine 1, the lower end of the hot-sinter chute 101 is connected to the feed end of the ring cooler 3, the side wall of the hot-sinter chute 101 is provided with a hot air outlet 102 for flowing out the extracted hot air, the upper end of the hot-sinter chute 101 forms a hot-ore inlet 103, the lower end of the hot-sinter chute 101 forms a hot-ore outlet 104, and the hot-ore inlet 103 and the hot-ore outlet 104 are respectively used as cooling air inlets, although the hot air outlet 102 is not provided on the side wall of the hot-sinter chute 101, but is directly led out from the upper end or the lower end of the hot-sinter chute 101, for example, referring to fig. 4 and 5, the hot air can be led out from the lower end of the hot-sinter chute 101, at this time, the hot ore inlet 103 at the upper end of the hot sinter ore chute 101 also serves as a cooling air inlet, or hot air can be led out from the upper end of the hot sinter ore chute 101, and the hot ore outlet 104 at the lower end of the hot sinter ore chute 101 also serves as a cooling air inlet. The hot air outlet 102 is connected to the waste heat recovery system 4 sequentially through the dust removal device 5 and the air draft fan 6, and a plurality of blowers 8 can be arranged below the circular cooler 3 to increase the air volume of cooling air.
Preferably, the hot air outlet 102 is located in the middle of the hot-sinter ore chute 101 in the vertical direction, so that the cooling air inlets at the upper and lower ends of the hot-sinter ore chute 101 enter the hot-sinter ore chute 101 to pass through the material bed of the hot-sinter ore at approximately the same penetration distance (thickness), facilitating the acquisition of the required high-quality hot air.
Referring to fig. 7, according to a preferred embodiment of the present invention, a first wind deflector 105 is connected to an inner wall surface of a hot-sinter ore chute 101, a second wind deflector 106 is connected to an inner wall surface of a bottom of the hot-sinter ore chute 101 below the first wind deflector 105, a wear-resistant block 7 (e.g., a high-hardness alloy, etc.) may be disposed above the first wind deflector 105 and the second wind deflector 106 to prevent wear by the hot-sinter ore, and a hot air outlet 102 is disposed between the first wind deflector 105 and the second wind deflector 106, so that cooling air entering from an upper end of the hot-sinter ore chute 101 bypasses the first wind deflector 105 and reaches the hot air outlet 102, cooling air entering from a lower end of the hot-sinter ore chute 101 bypasses the second wind deflector 106 and reaches the hot air outlet 102, and the cooling air increases a contact route with a material layer of the hot-sinter ore during the bypassing, thereby having a longer penetration distance, to better and more efficiently cool the hot sinter.
In addition, referring to fig. 8 and 9, the cross section of the hot sinter chute 101 is trapezoidal, the trapezoidal upper bottom 9 corresponds to the position above the inner ring side wall 31 of the ring cooling machine 3, the trapezoidal lower bottom 10 corresponds to the position above the outer ring side wall 32 of the ring cooling machine 3, and the lower bottom 10 is longer than the upper bottom 9, that is, the hot sinter chute 101 has a larger blanking space on the outer ring side 32 of the ring cooling machine 3, so that the hot sinter chute perfectly matches and adapts to the specific structure of the ring cooling machine 3, the inner and outer rings of the ring cooling machine 3 are uniformly distributed, the cooling efficiency is improved, and the material falls into the granulating system 11 after passing through the ring cooling machine 3, and finally finished sinter is formed.
Although the embodiments of the present invention have been described in conjunction with the accompanying drawings, those skilled in the art may make various modifications and variations without departing from the spirit and scope of the invention, and such modifications and variations fall within the scope defined by the appended claims.
Claims (14)
1. A sinter cooling process, comprising a pre-cooling step:
and extracting hot air on a hot sinter falling path between the discharge end of the crusher corresponding to the sintering machine and the feed end of the circular cooler so as to pre-cool the hot sinter before entering the circular cooler.
2. The sinter cooling process according to claim 1, wherein in the pre-cooling step, hot air extracted on a falling path of the hot sinter between a discharge end of a crusher corresponding to the sintering machine and a feed end of the ring cooler is transferred to a waste heat recovery system.
3. The sinter cooling process according to claim 2, wherein the thickness of the cooling air passing through the bed of hot sinter is 1.5m or more when the hot air is taken on a falling path of the hot sinter between a discharge end of the crusher corresponding to the sintering machine and a feed end of the ring cooler.
4. The sinter cooling process according to claim 3, wherein the cooling air has a thickness of 3m or more across the bed of the hot sinter while taking the hot air on a falling path of the hot sinter between a discharge end of the crusher and a feed end of the ring cooler corresponding to the sintering machine.
5. The sinter cooling process of any one of claims 1 to 4, wherein the pre-cooling step is primary cooling, the sinter cooling process further comprises a ring cooler cooling step as secondary cooling, the ring cooler cooling step comprising: and cooling the hot sintering ore by the circular cooler.
6. The sintering and cooling process according to claim 5, wherein the sintering and cooling process comprises a raw material supply step, a mineral material mixing step, a granulation step, a material distribution step, a sintering and crushing step, the pre-cooling step, the cooling step of the circular cooler and a size stabilization step in sequence.
7. The sinter cooling process of claim 5, further comprising a level control step: the material height on a hot sintering ore falling path between the discharge end of the crusher corresponding to the sintering machine and the feed end of the ring cooling machine is adjusted by controlling the running speed of the ring cooling machine: and accelerating the running speed of the circular cooler to enable the height of the material on the hot sinter falling path to be reduced, and slowing down the running speed of the circular cooler to enable the height of the material on the hot sinter falling path to be increased.
8. The sintering cooling system is characterized by comprising a pre-cooling device arranged on a hot sinter falling path between a discharge end of a crusher corresponding to a sintering machine and a feed end of a ring cooling machine, wherein the pre-cooling device is used for extracting hot air on the hot sinter falling path so as to pre-cool the hot sinter before entering the ring cooling machine.
9. The sinter cooling system of claim 8, comprising a raw material system, a mineral mixing system, a pelletizing system, a distributing system, a sintering machine, a crusher, the pre-cooling device, a ring cooler, and a pelletizing system, which are sequentially disposed on a mineral traveling path.
10. The sinter cooling system according to claim 8, wherein the pre-cooling device comprises a hot sinter chute, the upper end of the hot sinter chute is connected with a discharge end of a crusher corresponding to the sintering machine, the lower end of the hot sinter chute is connected with a feed end of the ring cooling machine, a hot air outlet for flowing out extracted hot air is formed in the side wall of the hot sinter chute, the upper end of the hot sinter chute forms a hot ore inlet, the lower end of the hot sinter chute forms a hot ore outlet, and the hot ore inlet and the hot ore outlet are respectively used as cooling air inlets.
11. The sintering cooling system of claim 10, wherein the hot air outlet is connected to a waste heat recovery system sequentially through a dust removal device and an air draft fan.
12. The sinter cooling system of claim 10, wherein the hot air outlet is located in a middle of the hot sinter ore chute in a vertical direction.
13. The sinter cooling system according to claim 10, wherein a first wind deflector is connected to an inner wall surface of the hot-sinter ore chute, a second wind deflector located below the first wind deflector is connected to an inner wall surface of a bottom of the hot-sinter ore chute, and the hot air outlet is arranged between the first wind deflector and the second wind deflector.
14. The sinter cooling system of claim 10, wherein the cross section of the hot sinter ore chute is a trapezoid, an upper bottom of the trapezoid corresponds to a position above a side wall of an inner ring of the ring cooling machine, a lower bottom of the trapezoid corresponds to a position above a side wall of an outer ring of the ring cooling machine, and the lower bottom is longer than the upper bottom.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110005558.9A CN113295005A (en) | 2021-01-05 | 2021-01-05 | Sintering cooling process and sintering cooling system |
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| CN202110005558.9A CN113295005A (en) | 2021-01-05 | 2021-01-05 | Sintering cooling process and sintering cooling system |
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| CN204730683U (en) * | 2015-07-10 | 2015-10-28 | 无锡亿恩科技股份有限公司 | New and effective sintering mine sensible heat retracting device |
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| CN207180369U (en) * | 2017-08-25 | 2018-04-03 | 鞍钢股份有限公司 | Material distribution device of sintering circular cooler |
| CN108007219A (en) * | 2017-11-23 | 2018-05-08 | 中材节能股份有限公司 | A kind of hot ore deposit cooling and residual neat recovering system |
| CN208155079U (en) * | 2018-03-28 | 2018-11-27 | 江苏省镔鑫钢铁集团有限公司 | A kind of sintering ore cooling device |
| CN109520308A (en) * | 2018-11-27 | 2019-03-26 | 苏州航明环保节能科技有限公司 | A kind of inclined plate water conservancy diversion vertical agglomerate is cooling and waste-heat recovery device |
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2021
- 2021-01-05 CN CN202110005558.9A patent/CN113295005A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105987612A (en) * | 2015-02-10 | 2016-10-05 | 中冶长天国际工程有限责任公司 | Sinter distributed temperature cooling method, sinter time-sharing unloading trolley and distributed temperature unloading device |
| CN204730683U (en) * | 2015-07-10 | 2015-10-28 | 无锡亿恩科技股份有限公司 | New and effective sintering mine sensible heat retracting device |
| CN207180369U (en) * | 2017-08-25 | 2018-04-03 | 鞍钢股份有限公司 | Material distribution device of sintering circular cooler |
| CN108007219A (en) * | 2017-11-23 | 2018-05-08 | 中材节能股份有限公司 | A kind of hot ore deposit cooling and residual neat recovering system |
| CN208155079U (en) * | 2018-03-28 | 2018-11-27 | 江苏省镔鑫钢铁集团有限公司 | A kind of sintering ore cooling device |
| CN109520308A (en) * | 2018-11-27 | 2019-03-26 | 苏州航明环保节能科技有限公司 | A kind of inclined plate water conservancy diversion vertical agglomerate is cooling and waste-heat recovery device |
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