CN111020080A - Be used for metallurgical quick water-cooling forced air cooling system - Google Patents
Be used for metallurgical quick water-cooling forced air cooling system Download PDFInfo
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- CN111020080A CN111020080A CN201911383584.4A CN201911383584A CN111020080A CN 111020080 A CN111020080 A CN 111020080A CN 201911383584 A CN201911383584 A CN 201911383584A CN 111020080 A CN111020080 A CN 111020080A
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- box
- cooling
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- slag
- water
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B3/00—General features in the manufacture of pig-iron
- C21B3/04—Recovery of by-products, e.g. slag
- C21B3/06—Treatment of liquid slag
- C21B3/08—Cooling slag
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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
-
- 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
- C21B2400/068—Receptacle features where the slag is treated with a sealed or controlled environment
-
- 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
- C21B2400/072—Tanks to collect the slag, e.g. water tank
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B2400/00—Treatment of slags originating from iron or steel processes
- C21B2400/08—Treatment of slags originating from iron or steel processes with energy recovery
-
- 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
- Y02P10/20—Recycling
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Furnace Details (AREA)
Abstract
The invention relates to the technical field of metallurgy, and discloses a rapid water-cooling and air-cooling system for metallurgy, which comprises a base, wherein a slag box is arranged at the upper end of the base, a box cover is arranged at the top end of the slag box, an air box is arranged at the upper end of the box cover, a slag inlet is formed in one side, close to the air box, of the upper end of the box cover, a liquid inlet pipe is communicated with one side, close to the box cover, of the output end of a compressor, a liquid outlet pipe is communicated with one side, close to the liquid inlet pipe, of one side of the box cover, one end of the liquid outlet pipe is connected with a metallurgical furnace, an inner furnace is arranged in the metallurgical furnace, a preheating cavity is formed between the metallurgical. The invention has simple operation, and can further improve the rapid cooling efficiency of the high-temperature metallurgical slag by the integrated cooperation of water cooling and air cooling and double cooling, and simultaneously realize the high-temperature recycling efficiency of the high-temperature metallurgical slag.
Description
Technical Field
The invention relates to the technical field of metallurgy, in particular to a quick water-cooling air-cooling system for metallurgy.
Background
Metallurgy is the process and technology of extracting metals or metal compounds from minerals and making metals into metallic materials with certain properties by various processing methods, and the metallurgical technology mainly comprises pyrometallurgy, hydrometallurgy and electrometallurgy. With the development of the steel industry in China and the increase of the demand of steel, the discharge amount of metallurgical slag, particularly blast furnace slag and steel slag, serving as byproducts in the steel production process is increased year by year.
However, the traditional high-temperature metallurgical slag treatment is not perfect enough, and because the discharge temperature is high, the yield is high, the waste heat recovery efficiency is poor, the resource and energy are easily wasted greatly, and the environment is also polluted greatly; and when the existing high-temperature metallurgical slag is cooled, most of the high-temperature metallurgical slag is in a single water cooling mode, and the mode has a poor effect of quickly cooling the metallurgical slag. Accordingly, those skilled in the art have provided a rapid water-cooling and air-cooling system for metallurgy to solve the problems set forth in the background art described above.
Disclosure of Invention
The invention aims to provide a quick water-cooling and air-cooling system for metallurgy, which solves the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a be used for metallurgical quick water-cooling air-cooling system, includes the base, the upper end of base is provided with the slag box, and one side that the upper end of base is close to the slag box is provided with the second delivery pump, one side of second delivery pump is connected with the storage water tank, the opposite side that the upper end of base is close to the slag box is provided with the compressor, the top of slag box is provided with the case lid, the upper end of case lid is provided with bellows, and one side that the upper end of case lid is close to bellows is provided with into the cinder notch, a side intercommunication that the output of compressor is close to the case lid has the feed liquor pipe, one side intercommunication that a side of case lid is close to the feed liquor pipe has the drain pipe, the one end of drain pipe is connected with metallurgical stove, the inside of metallurgical stove is provided with the inner furnace, and is provided with the.
As a further scheme of the invention: and a cooling fin is arranged in the middle of the first circulating pipe, one end of the liquid outlet pipe penetrates through the metallurgical furnace and is connected with the first circulating pipe, and the input end of the compressor is communicated with a loop pipe.
As a still further scheme of the invention: the inside of sediment case is provided with the inner box, and is provided with the cooling chamber between sediment case and the inner box, a side lower extreme of sediment case is provided with the outlet, the position department that the upper end of base corresponds the outlet is provided with first delivery pump, the input of first delivery pump passes through pipeline intercommunication outlet, the kerve has been seted up to the upper surface of base corresponding the bottom of sediment case.
As a still further scheme of the invention: the size of the bottom groove is matched with that of the slag box, the slag box is installed at the upper end of the bottom groove and is in sealing connection with the base, and the bottom groove is communicated with the cooling cavity.
As a still further scheme of the invention: the output intercommunication of second delivery pump has the trunk line, and the one end intercommunication of trunk line has the second outlet pipe, the other end intercommunication of trunk line has first outlet pipe, the input intercommunication of second delivery pump has the inlet tube, the other end of inlet tube is linked together with the bottom of storage water tank, the one end of second outlet pipe is run through the sediment case and is linked together with the cooling chamber, the one end of first outlet pipe is run through the base and is linked together with the kerve.
As a still further scheme of the invention: at least four fans are uniformly distributed in the air box, second circulating pipes are distributed in the box cover, an evaporator is connected to the middle of each second circulating pipe, a grid net is arranged at the position, corresponding to the inner box, of the lower surface of the box cover, and the box cover is connected with the slag box in a sealing mode.
As a still further scheme of the invention: the air box is communicated with the box cover, one end of the second circulating pipe is communicated with the liquid inlet pipe, the other end of the second circulating pipe is communicated with the liquid outlet pipe, and liquid refrigerants are injected into the second circulating pipe.
As a still further scheme of the invention: the first circulating pipe surrounds the inner part of the preheating cavity and is positioned on the outer side wall of the inner furnace, one end of the first circulating pipe is in through connection with the liquid outlet pipe, the other end of the first circulating pipe is in through connection with the loop pipe, and the other end of the loop pipe is compressed.
Compared with the prior art, the invention has the beneficial effects that: the quick water-cooling and air-cooling system for metallurgy designed by the invention is convenient to inject cold water into the cooling cavity through the matching of the cooling cavity and the second delivery pump during actual operation, thereby preliminarily cooling the high temperature in the inner box, realizing the cooling effect of the high-temperature metallurgical slag, simultaneously utilizing the liquid refrigerant to cooperate with the second circulating pipe, the evaporator and the fan, can absorb the high-temperature heat inside the inner box, further improve the cooling effect of the metallurgical slag, and the heat absorbed by the refrigerant can be preheated by the metallurgical furnace through the first circulating pipe and the radiating fins, thereby realizing the recovery and utilization of the waste heat of the high-temperature metallurgical slag, the design not only has simple and convenient operation, but also realizes double cooling through the integrated cooperation of water cooling and air cooling, the rapid cooling efficiency of the high-temperature metallurgical slag can be further improved, and the high-temperature recycling efficiency of the high-temperature metallurgical slag is realized.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1 in accordance with the present invention;
FIG. 3 is a schematic structural view of a slag box according to the present invention;
FIG. 4 is a schematic structural view of the cover of the present invention;
FIG. 5 is a schematic view showing the operation of the first circulation pipe and the second circulation pipe in the present invention.
In the figure: 1. a base; 2. a slag box; 3. an air box; 4. a box cover; 5. a liquid inlet pipe; 6. a compressor; 7. a first delivery pump; 8. a liquid outlet pipe; 9. a second delivery pump; 10. a water storage tank; 11. a slag inlet; 12. a metallurgical furnace; 13. a first circulation pipe; 14. a heat sink; 15. a preheating chamber; 16. an inner furnace; 17. a fan; 18. a loop pipe; 91. a first water outlet pipe; 92. a water inlet pipe; 93. a second water outlet pipe; 21. an inner box; 22. a cooling chamber; 23. a water outlet; 24. a bottom groove; 41. a second circulation pipe; 42. a grid net; 43. an evaporator.
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.
Referring to fig. 1 to 5, in the embodiment of the present invention, a rapid water-cooling and air-cooling system for metallurgy includes a base 1, a slag box 2 is disposed at an upper end of the base 1, a second delivery pump 9 is disposed at a side of the upper end of the base 1 close to the slag box 2, a water storage tank 10 is connected to a side of the second delivery pump 9, a compressor 6 is disposed at another side of the upper end of the base 1 close to the slag box 2, a box cover 4 is disposed at a top end of the slag box 2, a wind box 3 is disposed at an upper end of the box cover 4, a slag inlet 11 is disposed at a side of the upper end of the box cover 4 close to the wind box 3, a liquid inlet pipe 5 is communicated to a side of an output end of the compressor 6 close to the box cover 4, a liquid outlet pipe 8 is communicated to a side of the liquid inlet pipe 5, one end of the liquid outlet pipe 8 is connected to a metallurgical furnace 12, a first circulating pipe 13 is arranged inside the preheating cavity 15, a radiating fin 14 is arranged in the middle of the first circulating pipe 13, one end of the liquid outlet pipe 8 penetrates through the metallurgical furnace 12 and is connected with the first circulating pipe 13, and the input end of the compressor 6 is communicated with a loop pipe 18.
An inner tank 21 is arranged in the slag tank 2, a cooling cavity 22 is arranged between the slag tank 2 and the inner tank 21, a water outlet 23 is arranged at the lower end of one side surface of the slag tank 2, a first conveying pump 7 is arranged at the position, corresponding to the water outlet 23, of the upper end of the base 1, the input end of the first conveying pump 7 is communicated with the water outlet 23 through a pipeline, a bottom groove 24 is formed in the upper surface of the base 1, corresponding to the bottom of the slag tank 2, the size of the bottom groove 24 is matched with that of the slag tank 2, the slag tank 2 is arranged at the upper end of the bottom groove 24 and is hermetically connected with the base 1, the bottom groove 24 is communicated with the cooling cavity 22, the output end of the second conveying pump 9 is communicated with a main pipeline, one end of the main pipeline is communicated with a second water outlet pipe 93, the other end of the main pipeline is communicated with a first water outlet pipe 91, the input end of, one end of a second water outlet pipe 93 penetrates through the slag box 2 to be communicated with the cooling cavity 22, one end of a first water outlet pipe 91 penetrates through the base 1 to be communicated with the bottom groove 24, when slag generated after metallurgy is discharged into the inner box 21 in the slag box 2, the second conveying pump 9 is controlled to work through an external controller, then the second conveying pump 9 is matched with the water inlet pipe 92 to pump out cold water in the water storage tank 10, the cold water is respectively injected into the cooling cavity 22 and the bottom groove 24 in the slag box 2 through the first water outlet pipe 91 and the second water outlet pipe 93, then the inner box 21 can be preliminarily refrigerated through the injected cold water, so that high temperature generated by high-temperature metallurgical slag in the inner box 21 can be absorbed, preliminary cooling of the high-temperature metallurgical slag in the inner box 21 is realized, the cold water after heat absorption can become hot, and then the hot water in the cooling cavity 22 can be discharged through the first conveying pump 7 matched with the water outlet pipe, is convenient to use.
At least four fans 17 are uniformly distributed in the air box 3, a second circulating pipe 41 is distributed in the box cover 4, an evaporator 43 is connected in the middle of the second circulating pipe 41, a grid net 42 is arranged at the position of the lower surface of the box cover 4 corresponding to the inner box 21, the box cover 4 is hermetically connected with the slag box 2, the air box 3 is communicated with the box cover 4, one end of the second circulating pipe 41 is communicated with the liquid inlet pipe 5, the other end of the second circulating pipe 41 is communicated with the liquid outlet pipe 8, liquid refrigerant is injected in the second circulating pipe 41, after high-temperature metallurgical slag enters the inner box 21, low-pressure normal-temperature liquid refrigerant in the second circulating pipe 41 is encircled by the second circulating pipe 41 and is matched with the evaporator 43 to absorb high temperature above the inner part of the inner box 21, so that the liquid refrigerant is vaporized into low-temperature gaseous refrigerant, simultaneously evaporimeter 43 will become cold, during the use of cooperation fan 17 from this for fan 17 is cold wind to the interior wind that blows of inner box 21, and the high-temperature gas in the inner box 21 that can be further carries out the heat transfer cooling, reduces the inside temperature of inner box 21, thereby further cools down pyrometallurgical slag, realizes the rapid cooling effect of the inside high temperature of inner box 21.
The working principle of the invention is as follows: when the slag cooler works, when slag generated after metallurgy is discharged into the inner box 21 in the slag box 2, the second conveying pump 9 is controlled to work through the external controller, then the second conveying pump 9 is matched with the water inlet pipe 92 to pump out cold water in the water storage tank 10, the cold water is respectively injected into the cooling cavity 22 and the bottom groove 24 in the slag box 2 through the first water outlet pipe 91 and the second water outlet pipe 93, and then the cold water in the cooling cavity 22 and the bottom groove 24 absorbs high temperature in the inner box 21, so that preliminary cooling is realized;
meanwhile, the low-pressure normal-temperature liquid refrigerant inside the second circulating pipe 41 is surrounded by the second circulating pipe 41 and is matched with the evaporator 43 to absorb the high temperature above the inner part of the inner box 21, so that the liquid refrigerant is vaporized and becomes a low-temperature gaseous refrigerant, and meanwhile, the evaporator 43 is cooled, so that when the fan 17 is matched with the fan 17 to be used, the air blown into the inner box 21 by the fan 17 is cold air, the high-temperature gas in the inner box 21 can be further subjected to heat exchange and temperature reduction, the temperature inside the inner box 21 is reduced, the high-temperature metallurgical slag is further cooled, and the quick cooling effect of the high temperature inside the inner box 21 is realized;
when the refrigerant in the second circulation pipe 41 is heated and sublimated into high-temperature gas, the refrigerant is discharged into the liquid outlet pipe 8 from the other end of the second circulation pipe 41, and is discharged into the first circulation pipe 13 through the liquid outlet pipe 8, because the first circulation pipe 13 surrounds the outer wall of the inner furnace 16, the high-temperature heat can be emitted out due to the temperature difference between the high-temperature gas refrigerant in the first circulation pipe 13 and the outside due to the action of the radiating fins 14, thereby preheating the inner furnace 16 can be realized, the waste heat utilization effect is achieved, the radiated normal-temperature refrigerant is discharged into the loop pipe 18 through the other end of the first circulation pipe 13, and is compressed into liquid high-pressure refrigerant through the action of the compressor 6, and further enters the second circulation pipe 41 to be cooled down again for circulation, so that not only can the high-temperature metallurgical slag in the inner tank 21 be cooled down rapidly, but also the high temperature generated in the inner tank 21 can be recovered, the method is used in the metallurgical furnace 12, so that the metallurgical furnace 12 is preheated, the preheating utilization is realized, the resources are saved, and the cooling efficiency of the high-temperature metallurgical slag is improved.
The models of the first conveying pump 7 and the second conveying pump 9 are ISW horizontal clear water pump series, the model of the compressor 6 is GKJ series, and the fan 17 is an existing conventional blower.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (8)
1. A quick water-cooling air-cooling system for metallurgy comprises a base (1) and is characterized in that a slag box (2) is arranged at the upper end of the base (1), a second conveying pump (9) is arranged on one side, close to the slag box (2), of the upper end of the base (1), a water storage tank (10) is connected to one side of the second conveying pump (9), a compressor (6) is arranged on the other side, close to the slag box (2), of the upper end of the base (1), a box cover (4) is arranged at the top end of the slag box (2), an air box (3) is arranged at the upper end of the box cover (4), a slag inlet (11) is arranged on one side, close to the air box (3), of the upper end of the box cover (4), a liquid inlet pipe (5) is communicated with one side, close to the liquid inlet pipe (5), of the output end of the compressor (6), a liquid outlet pipe (8) is communicated, one end of the liquid outlet pipe (8) is connected with a metallurgical furnace (12), an inner furnace (16) is arranged inside the metallurgical furnace (12), a preheating cavity (15) is arranged between the metallurgical furnace (12) and the inner furnace (16), and a first circulating pipe (13) is arranged inside the preheating cavity (15).
2. A rapid water-cooling and air-cooling system for metallurgy according to claim 1, wherein the first circulating pipe (13) is provided with a radiating fin (14) in the middle, one end of the liquid outlet pipe (8) penetrates through the metallurgical furnace (12) and is connected with the first circulating pipe (13), and the input end of the compressor (6) is communicated with a loop pipe (18).
3. The quick water-cooling and air-cooling system for metallurgy according to claim 1, wherein an inner box (21) is arranged inside the slag box (2), a cooling cavity (22) is arranged between the slag box (2) and the inner box (21), a water outlet (23) is arranged at the lower end of one side face of the slag box (2), a first conveying pump (7) is arranged at a position, corresponding to the water outlet (23), of the upper end of the base (1), the input end of the first conveying pump (7) is communicated with the water outlet (23) through a pipeline, and a bottom groove (24) is formed in the upper surface of the base (1) and corresponds to the bottom of the slag box (2).
4. A rapid water-cooling and air-cooling system for metallurgy according to claim 3, characterized in that the size of the bottom groove (24) is matched with that of the slag box (2), the slag box (2) is installed at the upper end of the bottom groove (24) and is connected with the base (1) in a sealing way, and the bottom groove (24) is connected with the cooling cavity (22) in a penetrating way.
5. The quick water-cooling and air-cooling system for metallurgy is characterized in that the output end of the second conveying pump (9) is communicated with a main pipeline, one end of the main pipeline is communicated with a second water outlet pipe (93), the other end of the main pipeline is communicated with a first water outlet pipe (91), the input end of the second conveying pump (9) is communicated with a water inlet pipe (92), the other end of the water inlet pipe (92) is communicated with the bottom of the water storage tank (10), one end of the second water outlet pipe (93) penetrates through the slag box (2) and is communicated with the cooling cavity (22), and one end of the first water outlet pipe (91) penetrates through the base (1) and is communicated with the bottom groove (24).
6. A rapid water-cooling and air-cooling system for metallurgy according to claim 3, wherein at least four fans (17) are uniformly distributed in the air box (3), second circulating pipes (41) are distributed in the box cover (4), an evaporator (43) is connected to the middle of each second circulating pipe (41), a grid net (42) is arranged on the lower surface of the box cover (4) corresponding to the inner box (21), and the box cover (4) is hermetically connected with the slag box (2).
7. A rapid water-cooling and air-cooling system for metallurgy according to claim 6, wherein the wind box (3) is connected with the box cover (4) in a penetrating way, one end of the second circulating pipe (41) is connected with the liquid inlet pipe (5) in a penetrating way, the other end of the second circulating pipe (41) is connected with the liquid outlet pipe (8) in a penetrating way, and liquid refrigerant is injected into the second circulating pipe (41).
8. The rapid water-cooling and air-cooling system for metallurgy according to claim 2, wherein the first circulating pipe (13) surrounds the preheating cavity (15) and is located on the outer side wall of the inner furnace (16), one end of the first circulating pipe (13) is connected with the liquid outlet pipe (8) in a penetrating manner, the other end of the first circulating pipe (13) is connected with the loop pipe (18) in a penetrating manner, the other end of the loop pipe (18) is connected with the compressor (6) in a penetrating manner, and the joints of the liquid outlet pipe (8) and one end of the loop pipe (18) and the metallurgical furnace (12) are hermetically connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911383584.4A CN111020080A (en) | 2019-12-28 | 2019-12-28 | Be used for metallurgical quick water-cooling forced air cooling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911383584.4A CN111020080A (en) | 2019-12-28 | 2019-12-28 | Be used for metallurgical quick water-cooling forced air cooling system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111020080A true CN111020080A (en) | 2020-04-17 |
Family
ID=70194865
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911383584.4A Withdrawn CN111020080A (en) | 2019-12-28 | 2019-12-28 | Be used for metallurgical quick water-cooling forced air cooling system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111020080A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112815758A (en) * | 2020-12-30 | 2021-05-18 | 成都威诺电子设备制造有限责任公司 | Intelligent air-cooled radiator |
| CN113088587A (en) * | 2021-03-31 | 2021-07-09 | 成渝钒钛科技有限公司 | High-strength smelting energy-saving device for vanadium-titanium blast furnace and use method thereof |
-
2019
- 2019-12-28 CN CN201911383584.4A patent/CN111020080A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112815758A (en) * | 2020-12-30 | 2021-05-18 | 成都威诺电子设备制造有限责任公司 | Intelligent air-cooled radiator |
| CN112815758B (en) * | 2020-12-30 | 2022-11-04 | 成都威诺电子设备制造有限责任公司 | Intelligent air-cooled radiator |
| CN113088587A (en) * | 2021-03-31 | 2021-07-09 | 成渝钒钛科技有限公司 | High-strength smelting energy-saving device for vanadium-titanium blast furnace and use method thereof |
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Application publication date: 20200417 |
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