CN117190709A - Cooling method and system for copper smelting slag - Google Patents
Cooling method and system for copper smelting slag Download PDFInfo
- Publication number
- CN117190709A CN117190709A CN202310927145.5A CN202310927145A CN117190709A CN 117190709 A CN117190709 A CN 117190709A CN 202310927145 A CN202310927145 A CN 202310927145A CN 117190709 A CN117190709 A CN 117190709A
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- Prior art keywords
- cooling
- slag
- copper smelting
- ladle
- smelting slag
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- 239000002893 slag Substances 0.000 title claims abstract description 253
- 238000001816 cooling Methods 0.000 title claims abstract description 145
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims abstract description 116
- 229910052802 copper Inorganic materials 0.000 title claims abstract description 116
- 239000010949 copper Substances 0.000 title claims abstract description 116
- 238000003723 Smelting Methods 0.000 title claims abstract description 114
- 238000010583 slow cooling Methods 0.000 claims abstract description 76
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 59
- 238000000034 method Methods 0.000 claims abstract description 34
- 239000007788 liquid Substances 0.000 claims abstract description 13
- 238000009792 diffusion process Methods 0.000 claims description 5
- 238000001035 drying Methods 0.000 claims description 5
- 238000005422 blasting Methods 0.000 abstract description 14
- 239000011248 coating agent Substances 0.000 abstract description 6
- 238000000576 coating method Methods 0.000 abstract description 6
- 238000010438 heat treatment Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 5
- 238000004806 packaging method and process Methods 0.000 description 4
- 239000007921 spray Substances 0.000 description 4
- 238000005507 spraying Methods 0.000 description 4
- 238000009423 ventilation Methods 0.000 description 3
- 230000001066 destructive effect Effects 0.000 description 2
- 239000003595 mist Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005399 mechanical ventilation Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- 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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- Manufacture And Refinement Of Metals (AREA)
Abstract
The invention discloses a cooling method and a cooling system for copper smelting slag, wherein the method comprises the following steps: pouring liquid copper smelting slag into a slag ladle, standing until the surface of the slag ladle is covered, transferring to a slow cooling field for natural cooling, carrying out non-diffuse ladle and non-dry ladle water cooling treatment when a first preset condition is reached, and carrying out ladle overturning treatment when a second preset condition is reached. According to the invention, the slag ladle filled with the copper smelting slag is transported to the slow cooling field for natural slow cooling, so that the open-circuit treatment of the slow cooling slag can be ensured, the utilization rate of the slow cooling field is improved, and the rapid cooling and heating of the copper smelting slag in the subsequent water cooling treatment can be prevented, so that the blasting condition of the copper smelting slag in the water cooling process is avoided to the greatest extent, the risk of the copper smelting slag cooling process and the risk of equipment damage caused by blasting are greatly reduced, and further, in the water cooling treatment process, the water cooling efficiency of the copper smelting slag can be improved to the greatest extent by adopting a water cooling mode without diffuse coating and dry coating.
Description
Technical Field
The invention relates to the technical field of nonferrous metal smelting, in particular to a cooling method and a cooling system for copper smelting slag.
Background
A large amount of copper smelting slag is generated in the copper smelting process, and the copper content of the slag is 0.7-8.0% according to different smelting processes. Copper smelting slag is subjected to slow cooling, crushing, regrinding and slag separation to recycle copper in slag. In the process, natural cooling time is often short because of site limitation, meanwhile, watering and cooling are carried out by adopting diffuse package watering, blasting conditions are frequently generated in slag ladle water cooling of a smelting plant, and when blasting is carried out, high-temperature melt sprayed out has huge destructive power, surrounding pedestrians and facilities are easily damaged, and serious consequences are often caused.
Accordingly, the prior art is still in need of improvement and development.
Disclosure of Invention
In view of the defects of the prior art, the invention aims to provide a cooling method and a cooling system for copper smelting slag, and aims to solve the problem that a slag ladle is easy to blast in the water cooling process of the existing copper smelting slag.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a method for cooling copper smelting slag, comprising the steps of:
pouring liquid copper smelting slag into a slag ladle, and standing until the surface of the slag ladle is covered to obtain a slag ladle containing copper smelting slag;
transferring the slag ladle containing the copper smelting slag to a slow cooling field for natural cooling to obtain a slow cooling slag ladle;
when the slow cooling slag ladle reaches a first preset condition, carrying out non-diffuse ladle and non-dry ladle water cooling treatment on the slow cooling slag ladle to obtain a water cooling slag ladle;
and when the water-cooling slag ladle reaches a second preset condition, turning over the water-cooling slag ladle to cool the copper smelting slag.
In the cooling method of the copper smelting slag, the distance between the liquid copper smelting slag and the upper edge of the slag ladle is 250-350 mm, and the standing time is 1.5-2.5 h.
According to the cooling method of the copper smelting slag, the first preset condition is that a plurality of first temperature measuring points are uniformly taken in the longitudinal direction of the slow cooling slag ladle, the temperatures of the first temperature measuring points are lower than 275 ℃, and the natural cooling time is more than or equal to 28 hours.
According to the cooling method of copper smelting slag, the second preset condition is that a plurality of second temperature measuring points are taken in the longitudinal direction of the water-cooling slag ladle, and the temperatures of the second temperature measuring points are lower than 40 ℃.
According to the cooling method of copper smelting slag, the water cooling treatment time of the non-diffuse package and the non-dry package is 30-55 hours; the water cooling treatment of the non-diffuse package and the non-dry package is controlled by a PLC system.
The cooling method of the copper smelting slag comprises the steps of carrying out watering treatment on the wall of the slow cooling slag ladle and carrying out watering treatment on the copper smelting slag in the annular cooling slag ladle.
The cooling method of copper smelting slag, wherein the non-diffuse coating and non-dry coating water cooling treatment specifically comprises the following steps: watering the slow cooling slag ladle for a first time, and watering the slow cooling slag ladle for a fourth time every preset time; the preset time is an arithmetic series time taking the second time as an initial value and taking the third time as a difference value every time.
The cooling method of the copper smelting slag comprises the steps of enabling the first time to be 0.25-0.3 h, enabling the second time to be 0.03-0.04 h, enabling the third time to be 0.03-0.04 h and enabling the fourth time to be 0.1-0.12 h.
According to the cooling method of the copper smelting slag, the mass percentage of copper in the copper smelting slag is lower than 8%.
A cooling system for copper smelting slag, comprising:
the standing cover-forming module is used for pouring liquid copper smelting slag into a slag ladle, and standing until the surface of the slag ladle is covered to obtain a slag ladle containing copper smelting slag;
the slow cooling module is used for transferring the slag ladle containing the copper smelting slag to a slow cooling field for natural cooling to obtain a slow cooling slag ladle;
the water cooling module is used for carrying out non-diffuse package and non-dry package water cooling treatment on the slow cooling slag package to obtain a water cooling slag package when the slow cooling slag package reaches a first preset condition;
and the ladle overturning module is used for overturning the water-cooling slag ladle to realize cooling of the copper smelting slag after the water-cooling slag ladle reaches a second preset condition.
The beneficial effects are that: the invention discloses a cooling method and a cooling system for copper smelting slag, wherein a slag ladle filled with the copper smelting slag is transported to a slow cooling field for natural slow cooling, so that the open-circuit treatment of the slow cooling slag can be ensured, the utilization rate of the slow cooling field is improved, the rapid cooling and rapid heating of the copper smelting slag during the subsequent water cooling treatment can be prevented, the blasting condition of the copper smelting slag in the water cooling process can be avoided to the greatest extent, the risk of the copper smelting slag cooling process and the risk of equipment damage caused by blasting are greatly reduced, and furthermore, the water cooling efficiency of the copper smelting slag can be improved to the greatest extent by adopting a water cooling mode without diffuse packaging and dry packaging in the water cooling process.
Drawings
FIG. 1 is a flow chart of a preferred embodiment of a cooling method for copper smelting slag according to the present invention.
FIG. 2 is a schematic diagram of a slow cooling slag ladle wall watering system according to an embodiment of the invention.
FIG. 3 is a schematic diagram showing the arrangement of a slow cooling slag ladle wall watering system according to another embodiment of the invention.
FIG. 4 is a schematic diagram showing the arrangement of a watering system at the upper part of a slow cooling slag ladle according to the embodiment of the invention.
FIG. 5 is a schematic diagram showing the arrangement of a watering system on the upper part of a slow cooling slag ladle according to another embodiment of the invention.
FIG. 6 is a schematic diagram of functional blocks of a cooling system for copper smelting slag according to an embodiment of the present invention.
Detailed Description
The invention provides a cooling method and a cooling system for copper smelting slag, which are used for making the purposes, the technical scheme and the effects of the invention clearer and more definite, and the invention is further described in detail below by referring to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
As used herein, the singular forms "a", "an", "the" and "the" are intended to include the plural forms as well, unless expressly stated otherwise, as understood by those skilled in the art. It will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. It will be understood by those skilled in the art that all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs unless defined otherwise. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
A large amount of copper smelting slag is generated in the copper smelting process, and the copper content of the slag is 0.7-8.0% according to different smelting processes. Copper smelting slag is subjected to slow cooling, crushing, regrinding and slag separation to recycle copper in slag. In the process, natural cooling time is often short because of site limitation, meanwhile, watering and cooling are carried out by adopting diffuse package watering, blasting conditions are frequently generated in slag ladle water cooling of a smelting plant, and when blasting is carried out, high-temperature melt sprayed out has huge destructive power, surrounding pedestrians and facilities are easily damaged, and serious consequences are often caused.
Based on this, the present invention provides a cooling method of copper smelting slag, see fig. 1, comprising the steps of:
s10, pouring liquid copper smelting slag into a slag ladle, and standing until the surface of the slag ladle is covered to obtain a slag ladle containing copper smelting slag;
s20, transferring the slag ladle containing the copper smelting slag to a slow cooling field for natural cooling to obtain a slow cooling slag ladle;
s30, carrying out non-diffuse ladle and non-dry ladle water cooling treatment on the slow cooling slag ladle when the slow cooling slag ladle reaches a first preset condition to obtain a water cooling slag ladle;
and S40, turning over the water-cooling slag ladle to cool the copper smelting slag after the water-cooling slag ladle reaches a second preset condition.
Specifically, the slag ladle filled with the copper smelting slag is transported to the slow cooling field for natural slow cooling, so that the open-circuit treatment of the slow cooling slag can be ensured, the utilization rate of the slow cooling field is improved, the rapid cooling and heating of the copper smelting slag during the subsequent water cooling treatment can be prevented, the blasting condition of the copper smelting slag in the water cooling process is avoided to the greatest extent, the risk of the copper smelting slag cooling process and the risk of equipment damage caused by blasting are greatly reduced, and furthermore, the water cooling efficiency of the copper smelting slag can be improved to the greatest extent by adopting a water cooling mode without diffuse packaging and non-dry packaging in the water cooling process.
In some embodiments, the slag ladle in the step S10 is a welding ladle, and the volume of the slag ladle is equal to or more than 12m 3 The possibility of material pressing in the copper smelting process can be avoided by selecting a slag ladle with a larger volume.
In some embodiments, in the slag ladle of the copper smelting slag, the distance between the liquid copper smelting slag and the upper edge of the slag ladle is 250-350 mm, the liquid copper smelting slag is flush with the upper edge of the slag ladle trunnion, the standing time is 1.5-2.5 h, the surface of the slag ladle is solid in the standing and covering process, the color is black, and the slag ladle can be prevented from being exposed to excessive water before water cooling to cause blasting by covering the surface of the slag ladle.
In some embodiments, the slow cooling field should have good ventilation conditions, mechanical ventilation may be used when no ventilation conditions are present, and the slag ladle may be arranged in a grid-like manner or in a "U" shape on the slow cooling field to facilitate slow cooling by natural ventilation.
In some embodiments, the first preset condition is that a plurality of first temperature measuring points are uniformly taken in the longitudinal direction of the slow cooling slag ladle, the temperatures of the first temperature measuring points are lower than 275 ℃, and the natural cooling time is more than or equal to 28 hours; preferably, the number of the first temperature measuring points is 3, and the first temperature measuring points are 3 points above, in the middle and below the slag ladle wall of the slow cooling slag ladle.
In some embodiments, the second preset condition is that a plurality of second temperature measuring points are uniformly taken in the longitudinal direction of the water-cooling slag ladle, and the temperatures of the second temperature measuring points are all lower than 40 ℃.
In some embodiments, the time of the water cooling treatment of the non-diffusion package and the non-drying package is 30-55 h; the water cooling treatment of the non-diffuse package and the non-dry package is controlled by a PLC system.
In some embodiments, the non-diffuse ladle and non-dry ladle water cooling treatment comprises a watering treatment on the ladle wall of the slow cooling ladle and a watering treatment on the copper smelting slag in the annular cooling ladle.
Specifically, two modes of watering the wall of the slow cooling slag ladle can be adopted, the first mode is as shown in fig. 2, a single vertical watering device 1 is arranged around the slag ladle, and a spray nozzle on the vertical watering device 1 can spray water on the surrounding slag ladle 2 at the same time; in the second mode, as shown in fig. 3, an annular spraying system 3 is arranged below the slag ladle 2 to perform enclosing type watering spraying; the watering treatment of the slag ladle wall can be realized by any other forms of watering or mist spraying water by the person skilled in the art.
In some embodiments, the copper smelting slag in the annular cooling slag ladle is subjected to watering treatment for directly watering the melt, and two modes can be provided, wherein the first mode is as shown in fig. 4, and a single slag ladle 2 is watered by a watering spray head 4 of a single water pipe 5 above the slag ladle 2; in the second mode, as shown in figure 5, a bridge frame 8 is used for overhead pipelines 7, and a watering spray head 6 is used for watering the slag ladle 2 right above the slag ladle 2; the man skilled in the art can realize the watering treatment of the copper smelting slag in any other forms of watering or mist spraying water.
In some embodiments, the water cooling treatment of the non-diffusion non-drying package is specifically: watering the slow cooling slag ladle for a first time, and watering the slow cooling slag ladle for a fourth time every preset time; the preset time is an arithmetic series time taking the second time as an initial value and adding the third time each time as a difference value, the preset time initial value is a, the difference value is b as an example, and the time of each interval is a, a+b, a+2b, a+3b.
In some embodiments, the first time is 0.25-0.3 h, the second time is 0.03-0.04 h, the third time is 0.03-0.04 h, and the fourth time is 0.1-0.12 h, and the specific time selection can be adjusted according to seasons, local climate change and water quantity change.
In some embodiments, the copper smelting slag comprises less than 8% copper by mass.
The invention also provides a cooling system for copper smelting slag, see fig. 6, comprising:
a standing and covering module 10, which is used for pouring liquid copper smelting slag into a slag ladle, and standing until the surface of the slag ladle is covered to obtain a slag ladle containing copper smelting slag;
the slow cooling module 20 is used for transferring the slag ladle containing the copper smelting slag to a slow cooling site for natural cooling to obtain a slow cooling slag ladle;
the water cooling module 30 is configured to perform non-diffuse package and non-dry package water cooling treatment on the slow cooling slag package after the slow cooling slag package reaches a first preset condition, so as to obtain a water cooling slag package;
and the ladle overturning module 40 is used for overturning the water-cooling slag ladle to realize cooling of the copper smelting slag after the water-cooling slag ladle reaches a second preset condition.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It will be apparent that the described embodiments are only some, but not all, embodiments of the invention, and are merely illustrative of the invention and in no way limiting of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
A method for cooling copper smelting slag, comprising the steps of:
s10, pouring liquid copper smelting slag into a slag ladle, and standing until the surface of the slag ladle is covered to obtain a slag ladle containing copper smelting slag;
s20, transferring the slag ladle containing the copper smelting slag to a slow cooling field for natural cooling to obtain a slow cooling slag ladle;
s30, carrying out non-diffuse ladle and non-dry ladle water cooling treatment on the slow cooling slag ladle when the slow cooling slag ladle reaches a first preset condition to obtain a water cooling slag ladle;
and S40, turning over the water-cooling slag ladle to cool the copper smelting slag after the water-cooling slag ladle reaches a second preset condition.
The procedure of example 1 was performed 5 times and the test procedure parameters and results are shown in Table 1.
TABLE 1 copper smelting slag Cooling Process parameters and results
As can be seen from Table 1, the cooling time of the slag ladle is less than 80 hours, the slag ladle does not have blasting or explosion accidents, the working time of personnel to a slag factory is reduced in the implementation process, and the personnel safety is ensured to the greatest extent.
In summary, the invention discloses a cooling method and a cooling system for copper smelting slag, wherein the method comprises the following steps: pouring liquid copper smelting slag into a slag ladle, and standing until the surface of the slag ladle is covered to obtain a slag ladle containing copper smelting slag; transferring the slag ladle containing the copper smelting slag to a slow cooling field for natural cooling to obtain a slow cooling slag ladle; when the slow cooling slag ladle reaches a first preset condition, carrying out non-diffuse ladle and non-dry ladle water cooling treatment on the slow cooling slag ladle to obtain a water cooling slag ladle; and when the water-cooling slag ladle reaches a second preset condition, turning over the water-cooling slag ladle to cool the copper smelting slag. According to the invention, the slag ladle filled with the copper smelting slag is transported to the slow cooling field for natural slow cooling, so that the open-circuit treatment of the slow cooling slag can be ensured, the utilization rate of the slow cooling field is improved, and the rapid cooling and heating of the copper smelting slag in the subsequent water cooling treatment can be prevented, so that the blasting condition of the copper smelting slag in the water cooling process is avoided to the greatest extent, the risk of the copper smelting slag cooling process and the risk of equipment damage caused by blasting are greatly reduced, and further, in the water cooling treatment process, the water cooling efficiency of the copper smelting slag can be improved to the greatest extent by adopting a water cooling mode without diffuse coating and dry coating.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; while the invention has been described in detail with reference to the foregoing embodiments, it will be appreciated by those skilled in the art that variations may be made in the techniques described in the foregoing embodiments, or equivalents may be substituted for elements thereof; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. A method for cooling copper smelting slag, comprising the steps of:
pouring liquid copper smelting slag into a slag ladle, and standing until the surface of the slag ladle is covered to obtain a slag ladle containing copper smelting slag;
transferring the slag ladle containing the copper smelting slag to a slow cooling field for natural cooling to obtain a slow cooling slag ladle;
when the slow cooling slag ladle reaches a first preset condition, carrying out non-diffuse ladle and non-dry ladle water cooling treatment on the slow cooling slag ladle to obtain a water cooling slag ladle;
and when the water-cooling slag ladle reaches a second preset condition, turning over the water-cooling slag ladle to cool the copper smelting slag.
2. The method for cooling copper smelting slag according to claim 1, wherein the distance from the liquid copper smelting slag to the upper edge of the slag ladle in the slag ladle of the copper smelting slag is 250-350 mm, and the standing time is 1.5-2.5 h.
3. The cooling method of copper smelting slag according to claim 1, wherein the first preset condition is that a plurality of first temperature measuring points are uniformly taken in the longitudinal direction of the slow cooling slag ladle, the temperatures of the first temperature measuring points are lower than 275 ℃, and the natural cooling time is more than or equal to 28h.
4. The cooling method of copper smelting slag according to claim 1, wherein the second preset condition is that a plurality of second temperature measuring points are uniformly taken in the longitudinal direction of the water-cooling slag ladle, and the temperatures of the second temperature measuring points are lower than 40 ℃.
5. The cooling method of copper smelting slag according to claim 1, wherein the time of the water cooling treatment of the non-diffusion and non-drying package is 30-55 hours; the water cooling treatment of the non-diffuse package and the non-dry package is controlled by a PLC system.
6. The method for cooling copper smelting slag according to claim 1, wherein the non-diffusion non-drying water-cooling treatment comprises a watering treatment of a wall of the slow cooling slag ladle and a watering treatment of copper smelting slag in the slow cooling slag ladle.
7. The cooling method of copper smelting slag according to claim 1, wherein the non-diffusion non-drying water-cooling treatment is specifically: watering the slow cooling slag ladle for a first time, and watering the slow cooling slag ladle for a fourth time every preset time; the preset time is an arithmetic series time taking the second time as an initial value and taking the third time as a difference value every time.
8. The method for cooling copper smelting slag according to claim 7, wherein the first time is 0.25 to 0.3h, the second time is 0.03 to 0.04h, the third time is 0.03 to 0.04h, and the fourth time is 0.1 to 0.12h.
9. The method for cooling copper smelting slag according to claim 1, wherein the copper content of the copper smelting slag is less than 8% by mass.
10. A cooling system for copper smelting slag, comprising:
the standing cover-forming module is used for pouring liquid copper smelting slag into a slag ladle, and standing until the surface of the slag ladle is covered to obtain a slag ladle containing copper smelting slag;
the slow cooling module is used for transferring the slag ladle containing the copper smelting slag to a slow cooling field for natural cooling to obtain a slow cooling slag ladle;
the water cooling module is used for carrying out non-diffuse package and non-dry package water cooling treatment on the slow cooling slag package to obtain a water cooling slag package when the slow cooling slag package reaches a first preset condition;
and the ladle overturning module is used for overturning the water-cooling slag ladle to realize cooling of the copper smelting slag after the water-cooling slag ladle reaches a second preset condition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310927145.5A CN117190709A (en) | 2023-07-26 | 2023-07-26 | Cooling method and system for copper smelting slag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310927145.5A CN117190709A (en) | 2023-07-26 | 2023-07-26 | Cooling method and system for copper smelting slag |
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| Publication Number | Publication Date |
|---|---|
| CN117190709A true CN117190709A (en) | 2023-12-08 |
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| CN202310927145.5A Pending CN117190709A (en) | 2023-07-26 | 2023-07-26 | Cooling method and system for copper smelting slag |
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- 2023-07-26 CN CN202310927145.5A patent/CN117190709A/en active Pending
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