Equipment for preparing slagging auxiliary material by coupling residual magnesia-carbon bricks and biomass charcoal

Abstract

The utility model provides equipment for preparing a slagging auxiliary material by coupling magnesia-carbon residual bricks and biomass charcoal. The equipment comprises a magnesia-carbon powder preparation material generating component, a slag-making component and a slag-making component, wherein the magnesia-carbon powder preparation material generating component is used for generating a magnesia-carbon powder preparation material; the material conveying assembly is used for conveying the magnesium carbon powder preparation material, the biomass carbon powder and the bonding auxiliary material; the control system is used for controlling the mixing ratio of the magnesium carbon powder preparation material, the biomass carbon powder and the bonding auxiliary material; the mixing and forming assembly is used for mixing according to the proportion to generate a slagging auxiliary material pressing block; the drying assembly is used for drying the generated briquettes to generate the slagging auxiliary material; and the waste gas treatment assembly is used for carrying out dust removal treatment on the dried waste gas. According to the utility model, the problems of high resource consumption, serious environmental pollution and the like in the traditional slagging auxiliary material preparation process can be solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to steel manufacturing process solid waste resource utilization, cost reduction and efficiency increase technical field, more specifically, it relates to a kind of equipment for preparing slag auxiliary material by magnesium carbon residual brick and biomass carbon coupling. BACKGROUND

[0002] In the metallurgical industry, slag auxiliary material is an indispensable important material, which mainly functions to accelerate the formation and discharge of slag and improve the efficiency of steelmaking. Traditional slag auxiliary materials are usually made of natural minerals such as limestone and dolomite, but the cost of mining and processing these resources is relatively high. On the other hand, limestone and dolomite have high emission factors in carbon emission calculation, and are one of the carbon emission materials purchased by steel enterprises, which increases the carbon emission burden of enterprises. SUMMARY

[0003] In view of the above problems, the purpose of the utility model is to provide a kind of equipment for preparing slag auxiliary material by magnesium carbon residual brick and biomass carbon coupling, to solve the problems of large resource consumption and serious environmental pollution in the preparation process of traditional slag auxiliary material.

[0004] The utility model provides a kind of equipment for preparing slag auxiliary material by magnesium carbon residual brick and biomass carbon coupling, comprising: magnesium carbon powder preparation material generating component, storage component, material conveying component, mixed forming component, drying assembly and control system, wherein,

[0005] The magnesium carbon powder preparation material generating component is used to crush and sieve the magnesium carbon residual brick to generate magnesium carbon powder preparation material;

[0006] The storage component is used to store biomass carbon powder and adhesive auxiliary material respectively;

[0007] The material conveying component is used to convey the magnesium carbon powder preparation material, the biomass carbon powder and the adhesive auxiliary material to the mixed forming component respectively;

[0008] The control system is used to control the mixing ratio of the magnesium carbon powder preparation material, the biomass carbon powder and the adhesive auxiliary material;

[0009] The mixed forming component is used to generate slag auxiliary material briquettes by mixing the magnesium carbon powder preparation material, the biomass carbon powder and the adhesive auxiliary material according to the ratio;

[0010] The drying assembly is used to dry the slag auxiliary material briquettes;

[0011] The waste gas treatment component is used to dust the dried waste gas.

[0012] In addition, in some embodiments, the magnesium carbon powder preparation material generating component comprises:

[0013] a jaw crusher for first crushing the magnesia carbon residue brick;

[0014] a first elevator for conveying the crushed magnesia carbon residue brick to a belt conveyor with magnetic roller;

[0015] an electromagnetic iron remover for removing ferrous impurities in the magnesia carbon residue brick on the belt conveyor;

[0016] a first single-shaft vibrating screen for primary screening the magnesia carbon residue brick with ferrous impurities removed;

[0017] a roller crusher for second crushing and grinding the primary screened magnesia carbon residue brick;

[0018] a second single-shaft vibrating screen for secondary screening the second crushed magnesia carbon residue brick to obtain magnesia carbon powder raw material meeting particle size requirements.

[0019] In addition, the storage assembly comprises:

[0020] a biomass charcoal powder storage bin for storing biomass charcoal powder;

[0021] a binding auxiliary material storage bin for storing binding auxiliary material.

[0022] In addition, the material conveying assembly comprises:

[0023] a first transfer belt for transferring the magnesia carbon powder raw material into a mixer;

[0024] a first weighing sensor for weighing the magnesia carbon powder raw material added into the mixer and transmitting to the control system;

[0025] a second weighing sensor for weighing the biomass charcoal powder and the binding auxiliary material added into the mixer respectively and transmitting to the control system;

[0026] a second elevator for conveying the biomass charcoal powder and the stored binding auxiliary material to a second transfer belt;

[0027] a second transfer belt for conveying the biomass charcoal powder in the biomass charcoal powder storage bin and the stored binding auxiliary material into the mixer.

[0028] In addition, the control system comprises a formula control unit and a humidity detection device, wherein,

[0029] the formula control unit is configured to control the mixing ratio of the magnesia carbon powder raw material, the biomass charcoal powder and the binding auxiliary material;

[0030] The humidity detection device is used for detecting the water content of the mixed preparation material generated after the biomass charcoal powder is mixed with the adhesion auxiliary material.

[0031] In addition, the mixing and forming assembly comprises:

[0032] The mixer is used for mixing and stirring the magnesium carbon powder preparation material and the mixed preparation material.

[0033] The forming press is used for pressing the material stirred uniformly in the mixer into a slag auxiliary material briquette and conveying the slag auxiliary material briquette to the drying assembly.

[0034] In addition, the drying assembly comprises:

[0035] The feeding machine is used for conveying the briquette to a material making tower.

[0036] The fan is used for conveying the low-temperature preheated flue gas to the material making tower.

[0037] The material making tower is used for placing the slag auxiliary material briquette to be dried and drying the slag auxiliary material briquette under the action of the low-temperature preheated flue gas.

[0038] In addition, the material making tower is internally provided with a separation grid, and the briquette is placed on the separation grid; wherein the low-temperature preheated flue gas is conveyed to the separation grid to dry the briquette.

[0039] In addition, the drying assembly comprises:

[0040] The exhaust gas treatment assembly comprises:

[0041] The induced draft fan is used for introducing the exhaust gas dried in the material making tower into a dust removal tower.

[0042] The dust removal tower is used for dust removal treatment of the exhaust gas.

[0043] The transfer trolley is used for conveying the dried green forming to the next process.

[0044] From the above technical solutions, the equipment for preparing slag auxiliary material by coupling magnesium carbon residual brick and biomass charcoal provided by the present application can obtain the following beneficial effects compared with the prior art:

[0045] 1) By coupling magnesium carbon residual brick and biomass charcoal to prepare slag auxiliary material, the reutilization of industrial waste is realized, and the resource utilization rate is improved.

[0046] 2) The prepared slag auxiliary material has the characteristics of high density and high activity and can be widely applied to the metallurgical industry.

[0047] 3) The device is simple, environmentally friendly, and can reduce production costs and environmental pollution.

[0048] To the accomplishment of the foregoing and related ends, one or more aspects of the application, as generally described herein, include the features set forth in the claims. The following description and the annexed drawings set forth in detail certain illustrative aspects of the application. These aspects are indicative, however, of but a few of the various ways in which the principles of the application can be employed. Other aspects and advantages of the application will be apparent from the following detailed description and the accompanying drawings. BRIEF DESCRIPTION OF DRAWINGS

[0049] Other objects and results of the application will become more fully apparent from the following description taken in conjunction with the accompanying drawings. In the drawings:

[0050] Figure 1 A device schematic diagram for preparing slag auxiliary material by coupling magnesium-carbon residual brick and biomass carbon according to an embodiment of the application;

[0051] Figure 2 A manufacturing process for preparing slag auxiliary material by coupling magnesium-carbon residual brick and biomass carbon according to an embodiment of the application.

[0052] Reference signs in the drawings comprise:

[0053] 1, jaw crusher, 2, electromagnetic iron separator, 3, first single-shaft vibrating screen, 4, roller crusher,

[0054] 5, first transfer belt, 6, second transfer belt, 7, second weighing sensor, 8, second elevator, 9, bonding auxiliary material storage, 10, control system, 11, induced draft fan, 12, dust removal tower, 13, first elevator, 14, belt conveyor, 15, second single-shaft vibrating screen, 16, first weighing sensor, 17, mixer, 18, forming press, 19, biomass carbon powder storage, 20, feeding machine, 21, material preparation tower, 22, transfer car, 23, fan.

[0055] The same reference signs in all the drawings indicate similar or corresponding features or functions. DETAILED DESCRIPTION

[0056] In the following description, for purposes of explanation and to provide a complete understanding of one or more embodiments, numerous specific details are set forth. It is apparent, however, to one skilled in the art that these embodiments, like any other construction, can be practiced without some or all of these specific details. In other instances, well known structures and devices are shown in block diagram form to avoid obscuring the underlying principles of the one or more embodiments.

[0057] In the description of the utility model, it is understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as limiting the utility model.

[0058] In view of the foregoing problems of the traditional slag auxiliary material preparation process, such as large resource consumption and serious environmental pollution, the utility model provides a magnesium carbon residual brick and biomass carbon coupling preparation slag auxiliary material equipment.

[0059] The specific embodiments of the utility model will be described in detail below with reference to the drawings.

[0060] In order to illustrate the structure of the magnesium carbon residual brick and biomass carbon coupling preparation slag auxiliary material equipment provided by the utility model, Figure 1 The magnesium carbon residual brick and biomass carbon coupling preparation slag auxiliary material equipment according to the embodiment of the utility model is shown.

[0061] As Figure 1 The magnesium carbon residual brick and biomass carbon coupling preparation slag auxiliary material equipment provided by the utility model comprises a magnesium carbon powder preparation material generating component, a storage component, a material conveying component, a mixing and forming component, a drying component, a waste gas treatment component and a control system 10, wherein the magnesium carbon residual brick is crushed and sieved to generate magnesium carbon powder preparation material; the storage component is used for storing biomass carbon powder and adhesive auxiliary material respectively; the material conveying component is used for conveying the magnesium carbon powder preparation material, the biomass carbon powder and the adhesive auxiliary material to the mixing and forming component respectively; the control system 10 is used for controlling the mixing ratio of the magnesium carbon powder preparation material, the biomass carbon powder and the adhesive auxiliary material; the mixing and forming component is used for generating slag auxiliary material briquettes after mixing the magnesium carbon powder preparation material, the biomass carbon powder and the adhesive auxiliary material according to the ratio; the drying component is used for drying the slag auxiliary material briquettes; and the waste gas treatment component is used for dust removal treatment of the dried waste gas.

[0062] Specifically, the magnesium carbon powder preparation assembly comprises: a jaw crusher 1 for first crushing the magnesium carbon residual bricks; a first elevator 13 for conveying the crushed magnesium carbon residual bricks to a belt conveyor 14 with a magnetic roller; an electromagnetic iron remover 2 for removing iron impurities in the magnesium carbon residual bricks on the belt conveyor 14; a first single-shaft vibrating screen 3 for preliminarily screening the magnesium carbon residual bricks with the iron impurities removed; a roller crusher 4 for second crushing and grinding the preliminarily screened magnesium carbon residual bricks; and a second single-shaft vibrating screen 15 for twice screening the magnesium carbon residual bricks after the second crushing to obtain the magnesium carbon powder preparation with a qualified particle size.

[0063] The storage assembly comprises: a biomass charcoal powder storage bin 19 for storing biomass charcoal powder; and an adhesive auxiliary storage bin 9 for storing adhesive auxiliary materials.

[0064] The material conveying assembly comprises: a first transfer belt 5 for transferring the magnesium carbon powder preparation into a mixer 17; a first weighing sensor 16 for weighing the magnesium carbon powder preparation added into the mixer and transmitting to the control system 10; a second weighing sensor 7 for weighing the biomass charcoal powder and the adhesive auxiliary materials added into the mixer 17 respectively and transmitting to the control system 10; a second elevator 8 for conveying the biomass charcoal powder and the stored adhesive auxiliary materials to a second transfer belt 6; and the second transfer belt 6 for conveying the biomass charcoal powder in the biomass charcoal powder storage bin and the stored adhesive auxiliary materials into the mixer 17.

[0065] The control system 10 comprises a formula control unit and a humidity detection device, the formula control unit is used for controlling the mixing ratio of the magnesium carbon powder preparation, the biomass charcoal powder and the adhesive auxiliary materials, and the humidity detection device is used for detecting the water content of the mixed preparation obtained by mixing the biomass charcoal powder and the adhesive auxiliary materials.

[0066] The mixing and forming assembly comprises: the mixer 17 for mixing and stirring the magnesium carbon powder preparation and the mixed preparation; and a forming press 18 for pressing the material stirred uniformly in the mixer 17 into a slagging auxiliary material briquette and conveying the slagging auxiliary material briquette to the drying assembly.

[0067] The drying assembly comprises: a feeding machine 20 for conveying the briquettes to a material making tower 21; a fan 23 for conveying low-temperature preheated flue gas into the material making tower 21; the material making tower 21 for placing the briquettes to be dried and drying the briquettes under the action of the low-temperature preheated flue gas; an induced draft fan 11 for introducing the exhaust gas after drying in the material making tower into a dust removal tower 12; and the dust removal tower 12 for carrying out dust removal treatment on the exhaust gas, wherein a separation grid is arranged in the material making tower 21, and the briquettes are placed on the separation grid; wherein the low-temperature preheated flue gas is conveyed to the separation grid to dry the briquettes; and a transfer trolley 22 for conveying the green briquettes after drying to the next process.

[0068] In Figure 1 In the embodiment shown, the jaw crusher 1 crushes the waste magnesium carbon brick; the elevator 13 sends the crushed material to the belt conveyor 14 (with a magnetic roller); the electromagnetic iron remover 2 removes the iron impurities in the crushed material; the first single-shaft vibrating screen 3 preliminarily screens the material; the roll crusher 4 performs secondary grinding on the material; the second single-shaft vibrating screen 15 performs secondary screening on the material to obtain magnesium carbon powder pre-material with a qualified particle size; the pre-material is sent to the mixer 17 through the transfer belt 5; the first weighing sensor 16 weighs the added amount and transmits it to the control system 10; the second weighing sensor 7 weighs the added amount and transmits it to the control system 10 of the feeding formula; the control system 10 is provided with a humidity detection device, which can detect the water content of the mixed pre-material in the biomass charcoal powder storage bin 19 to ensure the green briquetting rate; the second transfer belt 6 also sends the mixed pre-material in the biomass charcoal powder storage bin 19 after weighing to the mixer 17, and all the pre-material that needs to be added with slag auxiliary materials is fully mixed; after being uniformly mixed, the pre-material enters the briquetting press 18 to be molded and pressed into a wet briquette; the wet briquette is sent to the material making tower 21 with a material separation grid through the feeding machine 20; the high-power hot flue gas conveying fan 23 conveys the low-temperature preheated flue gas below 200 DEG C to the separation grid of the material making tower to dry the wet briquette; the induced draft fan 11 introduces the exhaust gas after drying into the dust removal tower 12, which is discharged after dust removal; and the transfer trolley 22 transfers the dried briquette to the process position after cooling for adding slag auxiliary materials.

[0069] The manufacturing process of the magnesium carbon residual brick and biomass charcoal coupled slag auxiliary material preparation device is shown in Figure 2 The manufacturing process of the magnesium carbon residual brick and biomass charcoal coupled slag auxiliary material preparation device is shown in

[0070] S110: crushing and screening the magnesium carbon residual brick to obtain magnesium carbon powder pre-material;

[0071] S120: After mixing the biomass charcoal powder, the binding auxiliary material and water according to the proportion, a mixed preparation material is obtained;

[0072] S130: The magnesium carbon powder preparation material and the mixed preparation material are mixed according to the proportion, and high-pressure pressing is performed to form a briquette;

[0073] S140: The briquette is subjected to drying treatment at a temperature of 120-150 DEG C;

[0074] S150: The dried briquette is cooled to generate a block-type slag auxiliary material.

[0075] In step S110, the magnesium carbon residual brick is crushed and screened to obtain a magnesium carbon powder preparation material, comprising:

[0076] The magnesium carbon residual brick is crushed for the first time by a jaw crusher;

[0077] The crushed magnesium carbon residual brick is transported to a belt conveyor with a magnetic roller by a first elevator;

[0078] Iron impurities in the magnesium carbon residual brick on the belt conveyor are removed by an electromagnetic iron remover;

[0079] The magnesium carbon residual brick with the removed iron impurities is preliminarily screened by a first single-shaft vibrating screen to generate a magnesium carbon powder, wherein the particle size of the magnesium carbon powder is less than or equal to 50 mm;

[0080] The magnesium carbon powder is crushed for the second time by a roller crusher;

[0081] The magnesium carbon residual brick crushed for the second time is screened for the second time by a second single-shaft vibrating screen to obtain the magnesium carbon powder preparation material, wherein the particle size of the magnesium carbon powder preparation material is 1-2 mm.

[0082] In the embodiment of the utility model, the crushing particle size of the magnesium carbon residual brick can be adjusted according to actual needs, and is generally controlled within 50 mm. The grinding degree of the biomass charcoal should be fine enough, and the powder particle size is controlled within 1-2 mm, so as to facilitate the full mixing with the magnesium carbon residual brick crushed material.

[0083] In step S120, the biomass charcoal powder, the binding auxiliary material and water are mixed according to the proportion to obtain a mixed preparation material, comprising:

[0084] The binding auxiliary material with a mass percentage of 3wt% is stirred and mixed with the biomass charcoal powder in a biomass charcoal powder storage bin; wherein,

[0085] During the stirring process, water is added to the binding auxiliary material and the biomass charcoal powder until the water content in the binding auxiliary material and the biomass charcoal powder reaches 20%.

[0086] Step S130, the magnesium carbon powder preparation material and the mixed preparation material are mixed in proportion, and high-pressure pressing is carried out to form a briquette, comprising:

[0087] 80-95wt% of the magnesium carbon powder preparation material, 5-20wt% of the mixed preparation material are added to the mixer for mixing; the mixed material is pressed by a molding press to generate a briquette.

[0088] In steps S120 and S130, the adhesive auxiliary material and water are added in a certain proportion, mixed sufficiently, high-pressure pressed to form a high-density molded briquette; the high-density molded briquette is dried at a suitable temperature to volatilize the water in the molded briquette, and the magnesium carbon powder and the biomass charcoal further agglomerate with the adhesive auxiliary material, so that the strength of the molded briquette is increased. The mixing ratio of the magnesium carbon residual brick fragments and the biomass charcoal powder can be adjusted according to actual needs.

[0089] In addition, the cooling method for the dried briquette is natural cooling or forced cooling, and the cooling time is 1-2h. The temperature and time can be appropriately adjusted according to the actual situation of the magnesium carbon residual brick and the biomass charcoal, and the baking temperature is generally controlled at 120-150℃, and the time is controlled at 1-2h.

[0090] As can be seen from the above embodiments, the equipment for preparing slag auxiliary material by coupling magnesium carbon residual brick and biomass charcoal provided by the present application can replace the light-burned magnesium ball slag auxiliary material required for original steelmaking by scientifically proportioning and high-temperature treating the magnesium carbon residual brick and the biomass charcoal powder, and using special equipment to prepare high-density, high-activity and environmentally friendly magnesium oxide slag auxiliary material. The magnesium carbon residual brick is a common waste in the metallurgical industry, and the biomass charcoal is a renewable resource with the advantages of environmental protection and low cost. Therefore, the preparation of slag auxiliary material by coupling magnesium carbon residual brick and biomass charcoal not only facilitates resource recycling, reduces the generation of solid waste and reduces the disposal risk, but also reduces production cost and environmental pollution.

[0091] The equipment for preparing slag auxiliary material by coupling magnesium carbon residual brick and biomass charcoal according to the present application is described above with reference to the accompanying drawings in an exemplary manner. However, those skilled in the art should understand that various improvements can be made to the equipment for preparing slag auxiliary material by coupling magnesium carbon residual brick and biomass charcoal according to the present application without departing from the content of the present application. Therefore, the protection scope of the present application should be determined by the content of the appended claims.

Claims

1. A device for preparing slag-making auxiliary materials by coupling magnesia carbon residual bricks with biomass charcoal, characterized in that: include: Magnesium carbon powder preparation material generation component, storage component, material conveying component, mixing molding component, drying component, exhaust gas treatment component and control system, among which, The magnesium-carbon powder preparation material generating component is used to crush and sieve the magnesium-carbon residual bricks to generate magnesium-carbon powder preparation material; The storage components are used to store biomass carbon powder and adhesive auxiliary materials respectively; The material conveying component is used to convey the magnesium carbon powder preparation, the biomass carbon powder, and the bonding auxiliary material to the mixing and molding component respectively; The control system is used to control the mixing ratio of the magnesium carbon powder preparation, the biomass carbon powder, and the bonding auxiliary material; The mixing and forming component is used to mix the magnesium carbon powder preparation, the biomass carbon powder, and the bonding auxiliary material in proportion to generate slag-making auxiliary material briquettes; The drying component is used to dry the slag-making auxiliary material briquettes; The exhaust gas treatment component is used to remove dust from the dried exhaust gas.

2. The equipment for preparing slag-making auxiliary materials by coupling magnesia-carbon residual bricks with biomass charcoal according to claim 1 is characterized in that: The magnesium-carbon powder preparation material generating component comprises: A jaw crusher is used for first crushing the magnesium carbon residual bricks; The first elevator is used to transport the crushed magnesia-carbon residual bricks to a belt conveyor with magnetic rollers; An electromagnetic iron remover, used to remove iron impurities from the magnesia-carbon residual bricks on the belt conveyor; The first single-axis vibrating screen is used for preliminary screening of magnesia-carbon residual bricks to remove iron impurities; Roller crusher, used for secondary crushing and grinding of the initially screened magnesia carbon residual bricks; The second single-axis vibrating screen is used to screen the magnesium-carbon residual bricks that have undergone the second crushing for the second time to obtain magnesium-carbon powder preparation material with particle size that meets the standard.

3. The device for preparing slag-making auxiliary materials by coupling magnesia-carbon residual bricks with biomass charcoal according to claim 2 is characterized in that: The storage component includes: Biomass charcoal powder storage silo, used for storing biomass charcoal powder; The bonding auxiliary material storage bin is used for storing bonding auxiliary materials.

4. The device for preparing slag-making auxiliary materials by coupling magnesia-carbon residual bricks with biomass charcoal according to claim 3 is characterized in that: The material conveying assembly comprises: A first transport belt is used to transport the magnesium-carbon powder preparation into the mixer; a first weighing sensor, for weighing the magnesium-carbon powder preparation added to the mixer and transmitting the weight to the control system; a second weighing sensor, for respectively weighing the biomass carbon powder and the bonding auxiliary material added to the mixer, and transmitting the weights to the control system; A second elevator is used to transport the biomass carbon powder and the storage adhesive auxiliary material to a second transport belt; The second transfer belt is used to transfer the biomass carbon powder and the storage adhesive auxiliary material in the biomass carbon powder storage bin to the mixer.

5. The device for preparing slag-making auxiliary materials by coupling magnesia-carbon residual bricks with biochar according to claim 4 is characterized in that: The control system includes a recipe control unit and a humidity detection device, wherein: The formula control unit is used to control the mixing ratio of the magnesium carbon powder preparation, the biomass carbon powder, and the bonding auxiliary material; The humidity detection device is used to detect the moisture content of the mixed preparation generated by mixing the biomass carbon powder and the adhesive auxiliary material.

6. The device for preparing slag-making auxiliary materials by coupling magnesia-carbon residual bricks with biochar according to claim 5 is characterized in that: The hybrid molding component comprises: A mixer, used for mixing and stirring the magnesium-carbon powder preparation material and the mixed preparation material; The forming press is used to press the material evenly stirred in the mixer into slag-making auxiliary material briquettes, and transport the slag-making auxiliary material briquettes to the drying component.

7. The device for preparing slag-making auxiliary materials by coupling magnesia-carbon residual bricks with biomass charcoal according to claim 6 is characterized in that: The drying assembly comprises: A loader, used for conveying the briquettes to a material making tower; A fan for conveying the low-temperature preheated flue gas to the material making tower; The material making tower is used for placing the slag-making auxiliary material briquettes to be dried, and drying the slag-making auxiliary material briquettes under the action of the low-temperature preheated flue gas.

8. The device for preparing slag-making auxiliary materials by coupling magnesia-carbon residual bricks with biomass charcoal according to claim 7 is characterized in that: A partition grid is provided inside the material making tower, and the pressed blocks are placed on the partition grid; wherein the low-temperature preheated flue gas is transported to the partition grid to dry the pressed blocks.

9. The device for preparing slag-making auxiliary materials by coupling magnesia-carbon residual bricks with biomass charcoal according to claim 8, characterized in that: The exhaust gas treatment component includes: An induced draft fan is used to introduce the exhaust gas dried in the material making tower into the dust removal tower; The dust removal tower is used to remove dust from the exhaust gas; The transfer vehicle is used to transport the dried raw molds to the next process.

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