CN111412752A - Cooling air circulating system of circular cooler - Google Patents
Cooling air circulating system of circular cooler Download PDFInfo
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- CN111412752A CN111412752A CN202010223438.1A CN202010223438A CN111412752A CN 111412752 A CN111412752 A CN 111412752A CN 202010223438 A CN202010223438 A CN 202010223438A CN 111412752 A CN111412752 A CN 111412752A
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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
- F27D15/0206—Cooling with means to convey the charge
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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
- F27D17/001—Extraction of waste gases, collection of fumes and hoods used therefor
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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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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- Environmental & Geological Engineering (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The invention discloses a cooling air circulation system of a circular cooler, which belongs to the technical field of metallurgical process and equipment, wherein a plurality of induced draft fans and a blower are annularly arranged on the outer side of the circular cooler and are respectively communicated with an air box of the circular cooler, each induced draft fan and blower respectively correspond to a high temperature area, a secondary high temperature area and a low temperature area of the circular cooler, waste gas in the high temperature area of the circular cooler is discharged to a waste heat recovery system for heat exchange and then is sent to the air box for continuous circulation use through the induced draft fans, waste gas discharged from each waste gas outlet of the low temperature area and the secondary high temperature area is sent to the air box for continuous use through the previous induced draft fan of the waste gas outlet, and waste gas at the secondary high temperature. By applying the cooling air circulating system of the ring cooling machine, the exhaust gas of each temperature zone in the ring cooling machine can be effectively controlled to be discharged, so that the exhaust gas with temperature discharged from the exhaust gas outlet of each temperature zone of the ring cooling machine is recycled, the utilization rate of resources is effectively increased, and the resource waste and the air environmental pollution are avoided.
Description
Technical Field
The invention belongs to the technical field of metallurgical processes and equipment, and relates to a cooling air circulating system of a circular cooler, which is suitable for the cooling air system of the circular cooler in sintering production.
Background
The cooling of the sinter is an essential important link in the sintering production process, and a circular cooler is generally used for cooling hot sinter. The circular cooler is a circular cooler for short, has the function of effectively cooling the sintered hot ore unloaded from the sintering machine, and has the advantages of small floor area, investment saving, high equipment utilization rate and the like. FIG. 1 shows a schematic diagram of a cooling air system of a conventional ring cooling machine, which comprises a ring cooling machine body 1, wherein the ring cooling machine body 1 is sequentially arranged into a high temperature area, a secondary high temperature area and a low temperature area along a ring shape, the ring cooling machine body 1 comprises a rotary device 4 for conveying and cooling sintered ore, and a sealing cover 5 and an air box 6 which are respectively arranged above and below the rotary device 4, a driving device 7 is arranged on the rotary device 4 for driving the rotary device 4 to operate, a ring cooling machine feed inlet 8 for inputting the sintered ore and a ring cooling machine discharge port 9 for outputting the cooled sintered ore are respectively arranged at the starting end of the high temperature area and the tail end of the low temperature area of the ring cooling machine body 1, and a plurality of high temperature area waste gas outlets 10, a secondary high temperature area waste gas outlet 11 and a low temperature area waste gas outlet 12 are respectively arranged at the top of the sealing cover 5 in three temperature areas for discharging high, The waste gas in the secondary high-temperature area and the waste gas in the low-temperature area are respectively provided with an air blower at the corresponding positions outside the circular cooler, and are communicated with an air box 6 for supplying cooling gas into the air box 6 of the circular cooler body 1, the waste gas in the high-temperature area is mainly connected into a waste heat recovery system 2 for producing steam power and the like through waste heat recovery, the waste gas after passing through the waste heat recovery system 2 is recovered and then discharged into the atmosphere, the waste gas in the secondary high-temperature area is mainly connected into a hot air sintering system for hot air sintering operation, and the waste gas in the low-temperature area is naturally diffused and discharged into the atmosphere. In the actual production process, although the exhaust gas in the low-temperature region contains little dust and harmful substances, the exhaust gas is directly discharged to the atmosphere and still affects the atmospheric environment to a certain extent, in addition, the exhaust gas in the low-temperature region (at the temperature of 70-150 ℃) still contains certain heat, and the direct discharge can cause resource waste to a certain extent, and if a special waste heat recovery system is established for the few waste heat resources, the cost is higher. Meanwhile, after the waste gas in the high-temperature area is subjected to waste heat recovery, dust removal and other operations through the waste heat recovery system 2, the waste gas still has higher temperature and less harmful substances, and a large amount of resources are wasted and the atmospheric environment is affected by direct emission. Therefore, there is a need for a cooling air circulation system of a circular cooler, which recycles the waste heat of the waste gas resources with high temperature to avoid the waste gas from being discharged into the atmosphere, thereby causing air pollution and resource waste.
Disclosure of Invention
The invention provides a cooling air circulation system of a ring cooling machine, which aims to solve the problems of air environment influence and waste heat resource waste caused by the fact that waste gas resources with higher temperature discharged from waste gas outlets of various temperature regions of the traditional ring cooling machine in the background art cannot be recycled.
The technical scheme for solving the technical problem of the invention is as follows:
the invention discloses a cooling air circulation system of a circular cooler, which comprises a circular cooler body, a waste heat recovery system and a hot air sintering system, wherein the circular cooler body is sequentially arranged into a high-temperature area, a secondary high-temperature area and a low-temperature area along the shape of a circle, the circular cooler body comprises a rotary device, a sealing cover and an air box, the sealing cover and the air box are respectively arranged above and below the rotary device, the rotary device is provided with a driving device, the starting end of the high-temperature area and the tail end of the low-temperature area are respectively provided with a circular cooler feeding hole and a circular cooler discharging hole, the top of the sealing cover is respectively provided with a plurality of high-temperature area waste gas outlets, secondary high-temperature area waste gas outlets and low-temperature area waste gas outlets at the high-temperature area, the secondary high-temperature area waste gas outlets and the low-temperature area waste gas outlets, the innovation point is that a first induced draft fan is respectively arranged at the outer side of the circular cooler body A second induced draft fan is arranged, and a first air blower is arranged at the position corresponding to the low-temperature region waste gas outlet at the tail end of the low-temperature region; the air outlets of the first induced draft fan, the second induced draft fan and the first air blower are respectively communicated with the air box through air pipes; the high-temperature region waste gas outlet is communicated with an air inlet of a waste heat recovery system through an air pipe, and an air outlet of the waste heat recovery system is communicated with an air inlet of a first induced draft fan through the air pipe; the waste gas outlet of each low-temperature area and the waste gas outlet of the secondary high-temperature area from the tail end of the low-temperature area to the starting end of the secondary high-temperature area on the circular cooler body are respectively communicated with the air inlet of a second induced draft fan corresponding to the waste gas outlet of the previous low-temperature area or the waste gas outlet of the secondary high-temperature area through air pipes; and a secondary high-temperature area waste gas outlet at the starting position of the secondary high-temperature area of the circular cooler body is connected into a hot air sintering system through an air pipe.
As a further improvement of the technical scheme of the invention, a first air blower is also arranged on an air pipe which is communicated between the air outlet of the first induced draft fan and the air bellow and communicated with the air box through the air pipe.
As a further improvement of the technical scheme of the invention, the air pipes connected with the air outlets of the first induced draft fan and the first blower are respectively provided with a stop valve.
As a further improvement of the technical scheme of the invention, the end parts of the air pipes connected with the waste gas outlets of the high-temperature regions, the waste gas outlets of the secondary high-temperature regions and the waste gas outlets of the low-temperature regions extend into the sealing cover and are provided with the gas collecting covers.
When the waste heat recovery device is applied, high-temperature waste gas discharged from a waste gas outlet of a high-temperature area of the circular cooler is sent to the waste heat recovery system through the air pipe for waste heat recovery, and the waste gas still with the temperature after heat exchange is sent to the air box of the circular cooler body through the air pipe to be reused under the action of the first induced draft fan from the air outlet of the waste heat recovery system; in the secondary high-temperature area and the low-temperature area of the circular cooler, the temperature-carrying waste gas discharged from the waste gas outlets of the low-temperature areas and the waste gas outlets of the secondary temperature areas is sent to an air inlet of a second induced draft fan arranged at a position corresponding to one waste gas outlet before each outlet through an air pipe, and is sent to an air box for reuse under the action of the second induced draft fan, and the temperature-carrying flue gas discharged from the secondary high-temperature waste gas outlet at the starting position of the secondary high-temperature area is continuously sent to a hot air sintering system for reuse; the first blower arranged at the position corresponding to the low-temperature region waste gas outlet at the tail end of the low-temperature region is used for supplying air into the circular cooler body; the first air blower arranged at the first induced draft fan is a standby fan of the first induced draft fan and is used for supplementing conveying gas to enter the air box or independently conveying gas to enter the air box when the first induced draft fan is suspended for conveying the flue gas subjected to heat exchange of the waste heat recovery system into the circular cooler. When the cooling air circulating system of the circular cooler is used, the condition that waste gas is discharged outside and enters the atmosphere is avoided, and the waste gas in each temperature area is recycled.
Compared with the prior art, the invention has the following advantages:
(1) the cooling air circulating system of the ring cooling machine is improved on the basis of the cooling air system of the traditional ring cooling machine, and can also be applied to a newly-built cooling air system of the ring cooling machine, the cooling air circulating system is compact and reasonable in arrangement, related equipment is common equipment, the newly-built or modified cost is low, the application effect is good, and the practicability is high;
(2) after the cooling air circulating system of the circular cooler is applied, the waste gas with temperature in the whole circular cooler is recycled, so that the amount of the waste gas discharged out of the whole circular cooler is greatly reduced, no redundant waste gas is discharged out theoretically, and the influence of the waste gas of the circular cooler on the atmospheric environment is effectively avoided;
(3) the cooling air circulation system of the ring cooling machine can effectively utilize warm waste gas resources discharged from waste gas outlets of the high-temperature area, the secondary high-temperature area and the low-temperature area of the ring cooling machine, improves the waste heat recovery efficiency of discharged flue gas, and after the cooling air circulation system is applied, the waste gas temperature of the high-temperature area and the secondary high-temperature area of the ring cooling machine is increased by about 50 ℃, so that the running effect of the ring cooling machine is effectively improved.
Drawings
FIG. 1 is a schematic structural diagram of a cooling air system of a conventional circular cooler;
FIG. 2 is a schematic structural diagram of a cooling air circulation system of the circular cooler in the invention;
in the figure: 1. a circular cooler body; 2. a waste heat recovery system; 4. a turning device; 5. a sealing cover; 6. an air box; 7. a drive device; 8. a feed inlet of the circular cooler; 9. a discharge port of the circular cooler; 10. a high temperature zone exhaust outlet; 11. a secondary high temperature zone exhaust outlet; 12. a low temperature zone exhaust outlet; 13. a first induced draft fan; 14. a second induced draft fan; 15. a first blower; 16. and (7) an air pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this disclosure belongs. The terms "upper", "lower", "left", "right", "inner", "outer", and the like used in the specification and claims of the present disclosure are used only to indicate relative positional relationships, and when the absolute position of a described object is changed, the relative positional relationships are changed accordingly.
Example 1:
the present embodiment is described by taking an example of modifying an existing cooling air system of a conventional circular cooler.
The cooling air system of the traditional circular cooler shown in fig. 1 comprises a circular cooler body 1, a waste heat recovery system 2 and a hot air sintering system, wherein the waste heat recovery system 2 and the hot air sintering system are common systems in a sintering process; the circular cooler body 1 is sequentially provided with a high-temperature area, a secondary high-temperature area and a low-temperature area along the shape of a circle, and comprises a rotating device 4, a sealing cover 5 and an air box 6, wherein the sealing cover 5 and the air box 6 are respectively arranged above and below the rotating device 4, and a driving device 7 is arranged on the rotating device 4 and used for providing driving force for the rotating device 4; the starting end of the high-temperature area and the tail end of the low-temperature area are respectively provided with a feed port 8 of the circular cooler for feeding the sintered mineral aggregate and a discharge port 9 of the circular cooler for outputting the sintered mineral aggregate treated by the cooling process; the top of the sealing cover 5 is respectively provided with a plurality of high-temperature region waste gas outlets 10, a plurality of secondary high-temperature region waste gas outlets 11 and a plurality of low-temperature region waste gas outlets 12 in three temperature regions, used for discharging high-temperature region waste gas, secondary high-temperature region waste gas and low-temperature region waste gas after heat exchange with hot sintering mineral materials, the high-temperature region waste gas is mainly connected into a waste heat recovery system 2 for waste heat recovery to produce steam power generation and the like, the waste gas after the waste heat recovery of the waste heat recovery system 2 is discharged into the atmosphere, the waste gas of the secondary high-temperature area is mainly connected into a hot air sintering system for continuous hot air sintering operation and then discharged, in the embodiment, a high-temperature region waste gas outlet 10, a secondary high-temperature region waste gas outlet 11 and three low-temperature region waste gas outlets 12 are respectively arranged in the high-temperature region, the secondary high-temperature region and the low-temperature region of the circular cooler body 1 for explanation; in this embodiment, the high-temperature-region waste gas outlet 10, the secondary high-temperature-region waste gas outlet 11, and the three low-temperature-region waste gas outlets 12 are respectively provided with one first blower 15 at each corresponding position outside the circular cooler body 1, and each first blower 15 is communicated with the bellows 6 through an air pipe 16, and is used for supplementing gas for cooling the hot sintering ore material into the bellows 6 of the circular cooler body 1. The waste gas discharged to the atmosphere in the traditional cooling air system of the circular cooler still has a certain temperature, so that resource waste is caused invisibly, and meanwhile, the waste gas discharged to the atmosphere has certain influence on the air quality although being treated or containing less harmful substances.
In order to recover and recycle waste heat resources of the waste gas discharged by the cooling air system of the traditional ring cooling machine and avoid overlarge reconstruction cost, as shown in fig. 2, the cooling air circulation system of the ring cooling machine of the invention changes the first air blower 15 of the high-temperature area into a first induced draft fan 13 and changes the first air blower 15 of the secondary high-temperature area and the low-temperature area into a second induced draft fan 14, except for reserving the first air blower 15 at the tail end of the low-temperature area of the ring cooling machine body 1; the air outlets of the first induced draft fan 13, the second induced draft fan 14 and the first air blower 15 at the tail end of the low-temperature area are respectively communicated with the air box 6 through air pipes 16; the high-temperature area waste gas outlet 10 is communicated with an air inlet of the waste heat recovery system 2 through an air pipe 16, and an air outlet of the waste heat recovery system 2 is communicated with an air inlet of a first induced draft fan 13 through the air pipe 16, so that the recycling of the high-temperature area waste gas is realized; the waste gas outlet 12 of each low-temperature area and the waste gas outlet 11 of the secondary high-temperature area on the circular cooler body 1 from the tail end of the low-temperature area to the starting end of the secondary high-temperature area are respectively communicated with the air inlet of a second induced draft fan 14 corresponding to the waste gas outlet 12 of the previous low-temperature area or the waste gas outlet 11 of the secondary high-temperature area through an air pipe 16, so that the recycling of the waste gas of the low-temperature area and the waste gas of the secondary high-temperature area is realized, and the running effect of the circular cooler is; meanwhile, a secondary high-temperature area waste gas outlet 11 at the starting position of the secondary high-temperature area of the circular cooler body 1 is connected to the hot air sintering system through an air pipe 16, and waste gas in the position area is sent to the hot air sintering system for recycling. Through the improvement, when the circular cooler operates, the waste gas in the high-temperature area, the secondary high-temperature area and the low-temperature area is recycled, the waste gas basically has no outward discharge condition, the utilization rate of waste gas resources is improved, the operation effect of the circular cooler is improved, meanwhile, the influence of the waste gas on the air environment is avoided, the effect is good, the economic value and the social value are good, and the practicability is high.
In this embodiment, the first blower 15 is disposed at a position corresponding to the high-temperature exhaust gas outlet 10 at the starting position of the high-temperature area, and can be reserved as a standby blower, and enters the air duct 16 through the air duct 16, where the first induced draft fan 13 is communicated with the air duct 6, so that when the first induced draft fan 13 is not used or the first induced draft fan 13 is not used to achieve a predetermined effect, the air is supplemented into the circular cooler through the first blower 15 originally disposed at this position. Furthermore, in this embodiment, the air ducts 16 connected to the air outlets of the first induced draft fan 13 and the first blower 15 are respectively provided with a cut-off valve 18, so as to control the two blowers during actual operation.
In this embodiment, in order to facilitate the collection and discharge of the exhaust gas with temperature at the outlet of each temperature zone, the end of the air duct 16 connected to the exhaust gas outlet 10 of each high temperature zone, the exhaust gas outlet 11 of the sub-high temperature zone and the exhaust gas outlet 12 of the low temperature zone extends into the sealed hood 5 and is provided with a gas collecting hood.
Example 2:
taking a newly-built circular cooler cooling air circulation system as an example for explanation, as shown in fig. 2, the circular cooler cooling air circulation system of the present invention comprises a circular cooler body 1, a waste heat recovery system 2 and a hot air sintering system, wherein the circular cooler body 1 is sequentially arranged into a high temperature region, a secondary high temperature region and a low temperature region along an annular shape, and comprises a rotating device 4, and a sealing cover 5 and an air box 6 which are respectively arranged on and under the rotating device 4, the rotating device 4 is provided with a driving device 7, the starting end of the high temperature region and the tail end of the low temperature region are respectively provided with a circular cooler feed inlet 8 and a circular cooler discharge outlet 9, the top of the sealing cover 5 is respectively provided with a plurality of high temperature region waste gas outlets 10, a secondary high temperature region waste gas outlet 11 and a low temperature region waste gas outlet 12 in three temperature regions, the present embodiment is explained by arranging one high temperature region waste gas outlet 10, one secondary high temperature, the outer side of the circular cooler body 1 is provided with a first induced draft fan 13 at the position corresponding to each high-temperature region waste gas outlet 10, the outer side of the circular cooler body is provided with a second induced draft fan 14 at the position corresponding to each low-temperature region waste gas outlet 12 before each secondary high-temperature region waste gas outlet 11 and the low-temperature region waste gas outlet 12 at the tail end of the low-temperature region, and the position corresponding to the low-temperature region waste gas outlet 12 at the tail end of the low-temperature region is provided with a first air blower 15; the air outlets of the first induced draft fan 13, the second induced draft fan 14 and the first air blower 15 are respectively communicated with the air box 6 through air pipes 16; the high-temperature area waste gas outlet 10 is communicated with an air inlet of the waste heat recovery system 2 through an air pipe 16, and an air outlet of the waste heat recovery system 2 is communicated with an air inlet of a first induced draft fan 13 through the air pipe 16; each low-temperature region waste gas outlet 12 and each secondary high-temperature region waste gas outlet 11 from the tail end of the low-temperature region to the starting end of the secondary high-temperature region on the circular cooler body 1 are respectively communicated with an air inlet of a second induced draft fan 14 corresponding to the previous low-temperature region waste gas outlet 12 or the secondary high-temperature region waste gas outlet 11 through an air pipe 16; and a secondary high-temperature area waste gas outlet 11 at the starting position of the secondary high-temperature area of the circular cooler body 1 is connected to a hot air sintering system through an air pipe 16.
In this embodiment, a first blower 15 may be further disposed on the air duct 16, through which the air outlet of the first induced draft fan 13 is communicated with the air box 6, through the air duct 16. Furthermore, a cut-off valve 18 is arranged on each air pipe 16 connected with the air outlets of the first induced draft fan 13 and the first blower 15.
In this embodiment, the end of the air duct 16 connected to the exhaust gas outlet 10 of each high temperature region, the exhaust gas outlet 11 of the secondary high temperature region, and the exhaust gas outlet 12 of the low temperature region extends into the sealing hood 5 and is provided with a gas collecting hood.
Claims (4)
1. The utility model provides a cold quick-witted cooling air circulation system of ring, includes cold quick-witted body (1), waste heat recovery system (2) of ring and hot-blast sintering system, cold quick-witted body (1) of ring sets gradually high-temperature region, inferior high-temperature region and low temperature region along the annular, and it includes slewer (4) and sets up sealed cowling (5) and bellows (6) above and below this slewer (4) respectively, is provided with drive arrangement (7) on this slewer (4), high temperature region initiating terminal and low temperature region end are provided with respectively and have cold quick-witted advance, bin outlet (8, 9) of ring, sealed cowling (5) top is provided with a plurality of high-temperature regions, inferior high-temperature region, low temperature region exhaust outlet (10, 11, 12) respectively in three warm area, its characterized in that, cold quick-witted body (1) outside of ring does not is provided with first draught fan (13) in corresponding each high temperature, the positions of the outer side of the low-temperature zone waste gas outlet (12) corresponding to the waste gas outlet (11) of each secondary high-temperature zone and the position of each low-temperature zone waste gas outlet (12) in front of the low-temperature zone waste gas outlet (12) at the tail end of the low-temperature zone are respectively provided with a second induced draft fan (14), and the positions corresponding to the low-temperature zone waste gas outlet (12) at the tail end of the low-temperature zone are provided with first air blowers (15; the air outlets of the first induced draft fan (13), the second induced draft fan (14) and the first air blower (15) are respectively communicated with the air box (6) through an air pipe (16); the high-temperature zone waste gas outlet (10) is communicated with an air inlet of the waste heat recovery system (2) through an air pipe (16), and an air outlet of the waste heat recovery system (2) is communicated with an air inlet of a first induced draft fan (13) through the air pipe (16); each low-temperature area waste gas outlet (12) and each secondary high-temperature area waste gas outlet (11) from the tail end of the low-temperature area to the starting end of the secondary high-temperature area on the circular cooler body (1) are respectively communicated with an air inlet of a second induced draft fan (14) corresponding to the previous low-temperature area waste gas outlet (12) or the secondary high-temperature area waste gas outlet (11) through an air pipe (16); and a secondary high-temperature area waste gas outlet (11) at the starting position of the secondary high-temperature area of the circular cooler body (1) is connected to a hot air sintering system through an air pipe (16).
2. The cooling air circulation system of the circular cooler according to claim 1, wherein the air pipe (16) for communicating the air outlet of the first induced draft fan (13) with the air box (6) is further provided with a first air blower (15) through the air pipe (16).
3. The cooling air circulation system of the circular cooler according to claim 2, wherein the air pipes (16) connected with the air outlets of the first induced draft fan (13) and the first blower (15) are respectively provided with a cut-off valve (18).
4. The cooling air circulation system of the circular cooler according to claim 1, characterized in that the end of the air pipe (16) connected with the waste gas outlet (10) of the high temperature region, the waste gas outlet (11) of the secondary high temperature region and the waste gas outlet (12) of the low temperature region extends into the sealed hood (5) and is provided with a gas collecting hood.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010223438.1A CN111412752A (en) | 2020-03-26 | 2020-03-26 | Cooling air circulating system of circular cooler |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010223438.1A CN111412752A (en) | 2020-03-26 | 2020-03-26 | Cooling air circulating system of circular cooler |
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| CN111412752A true CN111412752A (en) | 2020-07-14 |
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| CN202010223438.1A Pending CN111412752A (en) | 2020-03-26 | 2020-03-26 | Cooling air circulating system of circular cooler |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116294642A (en) * | 2023-04-28 | 2023-06-23 | 秦皇岛新特科技有限公司 | Pollution-free externally-discharged energy-saving cooling machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101403571A (en) * | 2008-11-21 | 2009-04-08 | 中冶长天国际工程有限责任公司 | Circular cooler flue gas recycling method and system, and circular cooler |
| CN206540427U (en) * | 2017-03-01 | 2017-10-03 | 北京金都泰拓冶金技术研究有限公司 | Central cooler afterheat utilizing system |
| CN206683423U (en) * | 2017-04-27 | 2017-11-28 | 重庆钢铁(集团)有限责任公司 | A kind of sintering circular-cooler flue gas waste heat utilization device |
| CN108278903A (en) * | 2018-01-02 | 2018-07-13 | 中国科学院力学研究所 | A kind of sintering waste heat step takes hot systems |
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2020
- 2020-03-26 CN CN202010223438.1A patent/CN111412752A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101403571A (en) * | 2008-11-21 | 2009-04-08 | 中冶长天国际工程有限责任公司 | Circular cooler flue gas recycling method and system, and circular cooler |
| CN206540427U (en) * | 2017-03-01 | 2017-10-03 | 北京金都泰拓冶金技术研究有限公司 | Central cooler afterheat utilizing system |
| CN206683423U (en) * | 2017-04-27 | 2017-11-28 | 重庆钢铁(集团)有限责任公司 | A kind of sintering circular-cooler flue gas waste heat utilization device |
| CN108278903A (en) * | 2018-01-02 | 2018-07-13 | 中国科学院力学研究所 | A kind of sintering waste heat step takes hot systems |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116294642A (en) * | 2023-04-28 | 2023-06-23 | 秦皇岛新特科技有限公司 | Pollution-free externally-discharged energy-saving cooling machine |
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Application publication date: 20200714 |
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