Flash smelting device and flash smelting method

Abstract

The invention provides a flash smelting device and a flash smelting method. The flash smelting device comprises a flash converting furnace, the flash converting furnace comprises a converting furnace body, a converting reaction tower and a converting flue, and the converting reaction tower and the converting flue are arranged on the converting furnace body; the flash smelting furnace comprises a smelting furnace body, a smelting reaction tower and a smelting flue, and the smelting reaction tower and the smelting flue are arranged on the smelting furnace body; the upper end part of the launder is communicated with the converting furnace body, the lower end part of the launder is communicated with the smelting furnace body, and converting slag in the converting furnace body can be introduced into the smelting furnace body through the launder. Therefore, the flash smelting device has the advantages that energy is saved, and the smelting efficiency can be improved.

Description

Technical Field

[0001] The present invention relates to the technical field of metallurgy, and particularly relates to a flash smelting device and a flash smelting method. Background Art

[0002] The hot converter slag produced by the converter is granulated, cooled, transported, screened, dried, and then enters the smelting furnace through the charging system of the smelting furnace for oxidative smelting, that is, the converter slag discharged from the converter is granulated, mixed with copper concentrate, steam dried, and then introduced into the smelting furnace for oxidative smelting. This series of treatment processes adds many processes and equipment, such as converter slag granulation devices, converter slag yards, converter slag charging and transfer, and related flue gas treatment systems. At the same time, the heat of the molten converter slag is wasted, greatly increasing the construction investment, production operation cost, and process complexity of the copper smelting system. Summary of the Invention

[0003] The present invention is made based on the inventor's discovery and understanding of the following facts and problems: The continuous copper smelting in the related art is a continuous copper smelting method of bath smelting. The bath smelting furnace needs to be higher than the bath converting furnace and the anode furnace, so that the hot copper matte produced by the bath smelting furnace can be directly introduced into the bath converting furnace, but it also makes the hot converter slag in the bath converting furnace unable to be directly introduced into the bath converting furnace. After the copper matte produced by the flash smelting furnace is quenched and ground, the solid copper matte is introduced into the flash converting furnace, and there is no need to directly introduce the hot copper matte into the flash converting furnace, so that the flash converting furnace does not need to be lower than the flash smelting furnace.

[0004] The present invention aims to solve at least one of the technical problems in the related art to some extent. To this end, an embodiment of the present invention provides a flash smelting device and a flash smelting method.

[0005] The flash smelting device according to the embodiment of the present invention includes:

[0006] A flash converting furnace, which includes a converting furnace body, a converting reaction tower, and a converting flue. The converting reaction tower and the converting flue are arranged on the converting furnace body;

[0007] A flash smelting furnace, which includes a smelting furnace body, a smelting reaction tower, and a smelting flue. The smelting reaction tower and the smelting flue are arranged on the smelting furnace body;

[0008] A launder, the upper end of the launder is communicated with the converting furnace body, the lower end of the launder is communicated with the smelting furnace body, and the converter slag in the converting furnace body can be introduced into the smelting furnace body through the launder.

[0009] Therefore, the flash smelting device according to the embodiment of the present invention has the advantages of energy saving and improved smelting efficiency.

[0010] In some embodiments, the height of the bottom of the converting furnace body is higher than the height of the bottom of the smelting furnace body;

[0011] The crude copper discharging port of the converting furnace body is communicated with the inlet of the anode furnace, and the anode furnace can refine the crude copper introduced therein.

[0012] In some embodiments, a furnace body foundation is provided below the bottom of the converting furnace body;

[0013] The height value by which the bottom of the converting furnace body is higher than the bottom of the smelting furnace body is a first preset value, and the first preset value is greater than or equal to 3 meters.

[0014] In some embodiments, the launder includes a trough body and a trough cover, and the trough cover is used to cover the upward opening of the trough body.

[0015] In some embodiments, the inclination angle of the launder is greater than or equal to 5° and less than or equal to 30°;

[0016] The launder includes a heat-insulating layer, and the heat-insulating layer is coated on the outer sides of the trough body and the trough cover;

[0017] A water-cooling device for cooling the launder is provided on the launder, and the water-cooling device includes a plurality of water pipes.

[0018] In some embodiments, the inclination angle of the launder is 8° or 9°.

[0019] In some embodiments, the converting reaction tower and the converting flue are provided at the tops of both ends in the length direction of the converting furnace body;

[0020] The smelting reaction tower and the smelting flue are provided at the tops of both ends in the length direction of the smelting furnace body;

[0021] The upper end of the launder is adjacent to the converting reaction tower in the length direction of the converting furnace body;

[0022] The lower end of the launder is adjacent to the smelting flue in the length direction of the smelting furnace body.

[0023] In some embodiments, the length direction of the converting furnace body is a first horizontal direction, the length direction of the smelting furnace body is a second horizontal direction, and the first horizontal direction and the second horizontal direction are perpendicular;

[0024] The converting furnace body and the smelting furnace body are arranged at intervals in the second horizontal direction, the length direction of the launder is the second horizontal direction in the horizontal direction, and the smelting flue on the smelting furnace body is adjacent to the converting reaction tower on the converting furnace body in the second horizontal direction.

[0025] The present invention also provides a flash smelting method using the above flash smelting device, comprising the following steps:

[0026] Inject granulated copper matte and flux into the converting reaction tower to react with air to produce copper and slag. The materials produced after the copper-making and slag-making reactions in the converting reaction tower enter the converting furnace body after melting and continue to undergo copper-making and slag-making reactions;

[0027] Inject metal sulfide concentrate and flux into the smelting reaction tower to react with air to produce copper matte and slag. The materials produced after the copper matte-making and slag-making reactions in the smelting reaction tower enter the smelting furnace body after melting and continue to undergo copper matte-making and slag-making reactions;

[0028] Use a launder to introduce the converting slag in the converting furnace body into the smelting furnace body for copper matte-making and slag-making reactions.

[0029] In some embodiments, use a launder to introduce the converting slag in the converting furnace body into the smelting furnace body for copper matte-making and slag-making reactions at intervals of a first preset time, or continuously introduce the converting slag in the converting furnace body into the smelting furnace body for copper matte-making and slag-making reactions;

[0030] The crude copper discharge port of the converting furnace body is connected to the inlet of the anode furnace, and the anode furnace refines the crude copper introduced therein;

[0031] The copper matte produced by the smelting furnace body can be introduced into the converting reaction tower after being quenched and granulated with water. Description of the Drawings

[0032] Figure 1 is a top view of the flash smelting device according to an embodiment of the present invention.

[0033] Figure 2 is a front view of the flash smelting device according to an embodiment of the present invention.

[0034] Reference Numerals:

[0035] 1. Flash converting furnace, 11. Converting furnace body, 12. Converting reaction tower, 13. Converting flue, 14. Furnace body foundation;

[0036] 2. Flash smelting furnace, 21. Smelting furnace body, 22. Smelting reaction tower, 23. Smelting flue;

[0037] 3. Launder, 31. Water pipe. Detailed Embodiments

[0038] Embodiments of the present invention will be described in detail below. Examples of the embodiments are shown in the accompanying drawings. The embodiments described below by referring to the accompanying drawings are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention.

[0039] The flash smelting device according to an embodiment of the present invention will be described below with reference to the accompanying drawings. As Figure 1 and Figure 2 shown, the flash smelting device according to an embodiment of the present invention includes a flash converting furnace 1, a flash smelting furnace 2, and a launder 3.

[0040] The flash converting furnace 1 includes a converting furnace body 11, a converting reaction tower 12, and a converting flue 13. The converting reaction tower 12 and the converting flue 13 are provided on the converting furnace body 11. Specifically, the converting reaction tower 12 facilitates flash converting. The granulated copper matte enters the converting reaction tower 12, melts, and then enters the converting furnace body 11 for copper and slag making reactions. The generated flue gas can be discharged from the converting flue 13. For example, the converting furnace body 11 is provided with a copper matte nozzle, a cold charge inlet, a smoke outlet, a slag discharge port, and a blister copper discharge port.

[0041] The flash smelting furnace 2 includes a smelting furnace body 21, a smelting reaction tower 22, and a smelting flue 23. The smelting reaction tower 22 and the smelting flue 23 are provided on the smelting furnace body 21. Specifically, the smelting reaction tower 22 facilitates flash smelting. Metal sulfide, flux, and air are sprayed into the smelting reaction tower 22. After the metal sulfide melts, it enters the smelting furnace body 21 for copper matte and slag making reactions. The generated flue gas can be discharged from the smelting flue 23. The copper matte generated by the smelting furnace body 21 can be granulated into solid copper matte particles through water quenching and grinding, and then fed into the converting furnace body 11 for flash converting.

[0042] The upper end of the launder 3 is connected to the converting furnace body 11, and the lower end of the launder 3 is connected to the smelting furnace body 21. The converting slag in the converting furnace body 11 can be fed into the smelting furnace body 21 through the launder 3. Specifically, the bottom height of the converting furnace body 11 is higher than the bottom height of the smelting furnace body 21, so that the bottom of the cavity of the converting furnace body 11 is higher than or equal to the bottom of the cavity of the smelting furnace body 21. Thus, the hot converting slag produced by the flash converting furnace 1 can enter the launder 3 through the converting slag discharge port, and the converting slag in the launder 3 can be fed into the flash smelting furnace 2 to recover the copper in the converting slag. For example, the height of the converting slag discharge port of the converting furnace body 11 is higher than the height of the converting slag inlet of the smelting furnace body 21.

[0043] The present invention is made based on the inventor's discovery and recognition of the following facts and problems: The continuous copper smelting in the related art is a continuous copper smelting method of bath smelting. The bath smelting furnace needs to be higher than the bath converting furnace and the anode furnace. As a result, the hot copper matte produced by the bath smelting furnace is directly introduced into the bath converting furnace. However, the hot converting slag in the bath converting furnace cannot be directly introduced into the bath converting furnace. After the copper matte produced by the flash smelting furnace is water quenched and ground, the solid copper matte is introduced into the flash converting furnace, and there is no need to directly introduce the hot copper matte into the flash converting furnace. Thus, the flash converting furnace does not need to be lower than the flash smelting furnace. According to the flash smelting device of the embodiment of the present invention, the hot converting slag produced by the flash converting furnace 1 can be directly introduced into the flash smelting furnace 2 through the launder 3 for treatment, thereby reducing heat loss, saving energy, reducing the converting slag treatment process and equipment, reducing the transfer times, reducing heat consumption, lowering energy consumption, and simultaneously achieving the maximum recovery of valuable metals, thereby improving the treatment efficiency.

[0044] Therefore, the flash smelting device according to the embodiment of the present invention has the advantages of saving energy and improving the smelting efficiency.

[0045] In some embodiments, the height of the bottom of the converting furnace body 11 is higher than the height of the bottom of the smelting furnace body 21. Specifically, a furnace body foundation 14 is provided below the bottom of the converting furnace body, and the height of the furnace body foundation 14 can be set to make the height of the bottom of the converting furnace body 11 higher than the height of the bottom of the smelting furnace body 21.

[0046] In some embodiments, the height value of the bottom of the converting furnace body 11 higher than the bottom of the smelting furnace body 21 is a first preset value, and the first preset value is greater than or equal to 3 meters. For example, the difference in height between the bottom of the converting furnace body 11 and the bottom of the smelting furnace body 21 is 3 meters, 4 meters, 5 meters, 6 meters, 7 meters, or 8 meters.

[0047] In some embodiments, the crude copper outlet of the converting furnace body 11 is connected to the inlet of the anode furnace, and the anode furnace can refine the crude copper introduced therein. For example, the anode furnace is a rotary anode furnace.

[0048] As Figure 1 and Figure 2 shown, in some embodiments, the launder 3 includes a trough body and a trough cover, and the trough cover is used to cover the upward opening of the trough body. Thus, the escape of sulfur dioxide gas in the melt can be reduced.

[0049] In some embodiments, the launder 3 includes a heat insulation layer, and the heat insulation layer is coated on the outer sides of the trough body and the trough cover, thereby reducing the heat loss of the converting slag. For example, the heat insulation layer is a refractory brick, a mineral fiber product, or a polyurethane foam.

[0050] In some embodiments, the inclination angle of the launder 3 is greater than or equal to 5° and less than or equal to 30°. Specifically, the inclination angle of the launder 3 is 8° or 9°.

[0051] In some embodiments, a water-cooling device for cooling the launder 3 is provided on the launder 3. The water-cooling device includes a plurality of water pipes 31 to cool the launder 3 by means of the water pipes 31.

[0052] In some embodiments, the blowing reaction tower 12 and the blowing flue 13 are provided at the tops of both ends in the length direction of the blowing furnace body 11. Specifically, the length direction of the blowing furnace body 11 is the first horizontal direction, and the blowing reaction tower 12 and the blowing flue 13 are provided at the tops of both ends in the first horizontal direction of the blowing furnace body 11.

[0053] The smelting reaction tower 22 and the smelting flue 23 are provided at the tops of both ends in the length direction of the smelting furnace body 21. Specifically, the length direction of the smelting furnace body 21 is the second horizontal direction, and the first horizontal direction and the second horizontal direction are perpendicular. The smelting reaction tower 22 and the smelting flue 23 are provided at the tops of both ends in the second horizontal direction of the smelting furnace body 21. For example, the length direction of the blowing furnace body 11 is the front-back direction, and the length direction of the smelting furnace body 21 is the left-right direction.

[0054] The blowing furnace body 11 and the smelting furnace body 21 are arranged at intervals in the second horizontal direction. The length direction of the launder 3 is the second horizontal direction in the horizontal direction. The smelting flue 23 on the smelting furnace body 21 is adjacent to the blowing reaction tower 12 on the blowing furnace body 11 in the second horizontal direction. The upper end of the launder 3 is adjacent to the blowing reaction tower 12 in the length direction of the blowing furnace body 11, and the lower end of the launder 3 is adjacent to the smelting flue 23 in the length direction of the smelting furnace body 21. Specifically, the lower end of the launder 3 communicates with the end of the smelting furnace body 21 facing the blowing furnace body 11 in the second horizontal direction.

[0055] The present invention also provides a flash smelting method using the flash smelting device according to the embodiments of the present invention. The flash smelting method according to the embodiments of the present invention includes the following steps:

[0056] The granulated copper matte, flux (along with air or oxygen-enriched air) is sprayed into the converting reaction tower 12 to react with air (oxygen-enriched air) to produce copper and slag. After the copper-making and slag-making reactions in the converting reaction tower 12, the molten materials enter the converting furnace body 11 to continue the copper-making and slag-making reactions. Specifically, the copper matte is granulated, crushed, and then sprayed into the converting reaction tower 12 together with the flux (along with air or oxygen-enriched air). The materials suspended in the hearth space of the converting reaction tower 12 of the flash converting furnace 1 undergo copper-making and slag-making reactions and melt, and then fall into the settling tank of the converting furnace body 11 to continue the copper-making and slag-making reactions. The produced blister copper and slag are stratified in the pool of the converting furnace body 11 according to their specific gravities to achieve preliminary separation of slag and metal. The blister copper intermittently drains through the discharge port of the converting furnace body 11 and flows into the rotary anode furnace for refining, and the converting slag is fed into the launder 3 through the discharge port. The flue gas containing sulfur dioxide discharged from the converting flue 13 can be used to produce sulfuric acid or elemental sulfur.

[0057] The metal sulfide concentrate, flux (along with air or oxygen-enriched air) is sprayed into the smelting reaction tower 22 to react with air (oxygen-enriched air) to produce copper matte and slag. After the copper matte-making and slag-making reactions in the smelting reaction tower 22, the molten materials enter the smelting furnace body 21 to continue the copper matte-making and slag-making reactions. Specifically, the metal sulfide concentrate is an aggregate of minerals rich in metal sulfides extracted from ores through mineral processing. The fine powder of the metal sulfide concentrate and the flux are dried to a water content of less than 0.3%, and then sprayed into the hot smelting reaction tower 22 together with air or oxygen-enriched air. The solid particles are suspended in the turbulent gas flow to form good mass transfer and heat transfer conditions among the gas, solid, and liquid phases, enabling the chemical reaction to proceed at an extremely high speed. After the material particles suspended in the hearth space melt, they fall into the settling tank of the smelting furnace body 21 to continue the copper matte-making and slag-making reactions. The converting slag in the converting furnace body 11 is fed into the smelting furnace body 21 through the launder 3 for copper matte-making and slag-making reactions. The produced copper matte and slag are stratified in the settling tank of the smelting furnace body 21 according to their specific gravities to achieve preliminary separation of slag and metal. The smelting slag is discharged through the slag notch into a slag ladle and sent to the slow cooling yard for cooling, and the copper matte is granulated and sent to the copper matte storage yard for stacking. The flue gas containing sulfur dioxide discharged from the smelting flue 23 can be used to produce sulfuric acid or elemental sulfur.

[0058] Therefore, the flash smelting method according to the embodiments of the present invention has the advantages of energy conservation and improved smelting efficiency.

[0059] In some embodiments, the converting slag in the converting furnace body 11 is fed into the smelting furnace body 21 through the launder 3 for copper matte-making and slag-making reactions every first preset time interval by using the launder 3. Thus, the converting slag can accumulate a certain amount and then be fed into the smelting furnace body 21 through the launder 3, so that the generated converting slag intermittently flows into the launder 3.

[0060] In some embodiments, the converter slag in the converter body 11 is continuously introduced into the smelting furnace body 21 through the launder 3 for copper matte making and slag making reactions. That is, the converter slag to be generated continuously flows to the launder 3.

[0061] In some embodiments, the crude copper outlet of the converter body 11 is communicated with the inlet of the anode furnace, and the anode furnace refines the crude copper introduced therein. That is, the crude copper produced by the converter body 11 can be directly introduced into the anode furnace for refining.

[0062] In some embodiments, the copper matte produced by the smelting furnace body 21 can be introduced into the blowing reaction tower 12 after being quenched and granulated by water. Thus, it is possible that the copper matte produced by the smelting furnace body 21 does not need to be directly introduced into the converter body 11, but the solid copper matte particles are sprayed into the blowing reaction tower 12 through the central nozzle of the flash smelting furnace 1, so as to carry out flash smelting.

[0063] In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus cannot be understood as a limitation to the present invention.

[0064] In addition, the terms "first" and "second" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include at least one of such features. In the description of the present invention, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise specifically defined.

[0065] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed", etc. should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or integrated; it may be a mechanical connection, an electrical connection, or communicable with each other; it may be directly connected, or indirectly connected through an intermediate medium, and may be the communication inside two elements or the interaction relationship between two elements, unless otherwise clearly limited. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0066] In the present invention, unless otherwise clearly defined or limited, a first feature being "on" or "under" a second feature may mean that the first and second features are in direct contact, or the first and second features are indirectly in contact via an intermediate medium. Further, a first feature being "above", "over" and "on top of" a second feature may mean that the first feature is directly above or obliquely above the second feature, or merely indicates that the horizontal height of the first feature is higher than that of the second feature. A first feature being "under", "below" and "beneath" a second feature may mean that the first feature is directly below or obliquely below the second feature, or merely indicates that the horizontal height of the first feature is less than that of the second feature.

[0067] In the present invention, the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples", etc. mean that the specific features, structures, materials, or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, without conflict, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of different embodiments or examples.

[0068] Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are exemplary and should not be construed as limiting the present invention. Those of ordinary skill in the art can make changes, modifications, substitutions, and variations to the above embodiments within the scope of the present invention.

Claims

1. A flash smelting device, characterized in that: include: A flash converting furnace, the flash converting furnace comprising a converting furnace body, a converting reaction tower and a converting flue, wherein the converting reaction tower and the converting flue are arranged on the converting furnace body; A flash smelting furnace, the flash smelting furnace comprising a smelting furnace body, a smelting reaction tower and a smelting flue, wherein the smelting reaction tower and the smelting flue are arranged on the smelting furnace body; A flow channel, wherein the upper end of the flow channel is connected to the blowing furnace body, and the lower end of the flow channel is connected to the smelting furnace body, and the blowing slag in the blowing furnace body can be passed into the smelting furnace body through the flow channel.

2. The flash smelting device according to claim 1, characterized in that: The height of the bottom of the blowing furnace body is higher than the height of the bottom of the smelting furnace body; The blister copper discharge port of the blowing furnace body is connected to the inlet of the anode furnace, and the anode furnace can refine the blister copper introduced therein.

3. The flash smelting device according to claim 2, characterized in that: A furnace body foundation is provided below the bottom of the blowing furnace body; The height of the bottom of the blowing furnace body higher than the bottom of the smelting furnace body is a first preset value, and the first preset value is greater than or equal to 3 meters.

4. The flash smelting device according to claim 1, characterized in that: The flow trough comprises a trough body and a trough cover, wherein the trough cover is used to cover an opening of the trough body facing upward.

5. The flash smelting device according to claim 4, characterized in that: The inclination angle of the flow channel is greater than or equal to 5° and less than or equal to 30°; The flow trough includes a heat-insulating layer, and the heat-insulating layer is coated on the outer sides of the trough body and the trough cover; The flow trough is provided with a water cooling device for cooling the flow trough, and the water cooling device includes a plurality of water pipes.

6. The flash smelting device according to claim 5, characterized in that: The inclination angle of the flow channel is 8° or 9°.

7. The flash smelting device according to claim 1, characterized in that: The blowing reaction tower and the blowing flue are arranged at the top of both ends of the blowing furnace body in the length direction; The smelting reaction tower and the smelting flue are arranged at the top of both ends of the smelting furnace body in the length direction; The upper end of the flow channel is adjacent to the blowing reaction tower in the length direction of the blowing furnace body; The lower end of the launder is adjacent to the smelting flue in the length direction of the smelting furnace body.

8. The flash smelting device according to claim 7, characterized in that: The length direction of the blowing furnace body is a first horizontal direction, the length direction of the smelting furnace body is a second horizontal direction, and the first horizontal direction is perpendicular to the second horizontal direction; The blowing furnace body and the smelting furnace body are spaced apart in the second horizontal direction, the length direction of the flow channel is the second horizontal direction in the horizontal direction, and the smelting flue on the smelting furnace body is adjacent to the blowing reaction tower on the blowing furnace body in the second horizontal direction.

9. A flash smelting method using the flash smelting device according to any one of claims 1 to 8, characterized in that: The following steps are involved: The granulated copper matte and flux are sprayed into a blowing reaction tower to react with air to produce copper and slag, and the materials produced after the copper and slag reactions in the blowing reaction tower are melted and then enter the blowing furnace body to continue to produce copper and slag reactions; The metal sulfide concentrate and flux are sprayed into a smelting reaction tower to react with air to form copper matte and slag, and the materials produced after the copper matte and slag forming reactions in the smelting reaction tower are melted and then enter the smelting furnace body to continue to react with copper matte and slag; The blowing slag in the blowing furnace body is introduced into the smelting furnace body by means of a chute to carry out copper matte making and slag making reactions.

10. The flash smelting method according to claim 9, characterized in that: Using the launder to pass the converted slag in the converting furnace body into the smelting furnace body at first preset intervals to form copper matte and slag, or using the launder to continuously pass the converted slag in the converting furnace body into the smelting furnace body to form copper matte and slag; The crude copper discharge port of the blowing furnace body is connected to the inlet of the anode furnace, and the anode furnace refines the crude copper introduced therein; The copper matte produced by the smelting furnace body can be introduced into the blowing reaction tower after being water quenched and granulated.

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