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

Abstract

The invention provides equipment and a method for preparing a slagging auxiliary material by coupling magnesia-carbon residual bricks and biomass charcoal, and the method comprises the following steps: crushing and screening the magnesia-carbon residual bricks to obtain a magnesia-carbon powder preparation material; mixing the biomass charcoal powder, the bonding auxiliary material and water according to a ratio to obtain a mixed preparation material; and the magnesium carbon powder prepared material and the mixed prepared material are mixed according to the proportion, high-pressure pressing is conducted, and the slagging auxiliary material briquette is formed. By utilizing the preparation method, the problems of high resource consumption and the like in the traditional preparation process of the slagging auxiliary material can be solved.

Description

Technical Field

[0001] The present invention relates to the technical field of resource utilization of solid waste and cost reduction and efficiency improvement in steel manufacturing processes, and more specifically, to a device and method for preparing slag-making auxiliary materials by coupling magnesium-carbon residual bricks with biomass charcoal. Background Art

[0002] In the metallurgical industry, slag-making auxiliary materials are indispensable and important materials. Their main function is to accelerate the formation and discharge of slag and improve steelmaking efficiency. Traditional slag-making auxiliary materials are usually made of natural minerals such as limestone and dolomite, but the mining and processing costs of these resources are high, and there is a risk of resource depletion. Therefore, the traditional slag-making auxiliary material preparation process has problems such as high resource consumption. Summary of the invention

[0003] In view of the above problems, the purpose of the present invention is to provide an apparatus and method for preparing slag-making auxiliary materials by coupling magnesium-carbon residual bricks with biomass charcoal, so as to solve the problems of large resource consumption in the traditional slag-making auxiliary material preparation process.

[0004] The present invention provides a device for preparing slag-making auxiliary materials by coupling magnesium-carbon residual bricks with biomass charcoal, comprising: a magnesium-carbon powder preparation material generation component, a storage component, a material conveying component, a mixing molding component and a control system, wherein:

[0005] 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;

[0006] The storage components are used to store biomass carbon powder and adhesive auxiliary materials respectively;

[0007] The material conveying assembly is used to convey the magnesium carbon powder preparation, the biomass carbon powder, and the bonding auxiliary material to the forming briquetting assembly respectively;

[0008] 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;

[0009] The mixed 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.

[0010] In addition, there is a selected solution that the magnesium-carbon powder preparation material generation component includes:

[0011] A jaw crusher is used for first crushing the magnesium carbon residual bricks;

[0012] The first elevator is used to transport the broken magnesium carbon residual bricks to the belt conveyor with magnetic rollers;

[0013] An electromagnetic iron remover, used to remove iron impurities in the magnesium carbon residual bricks on the belt conveyor;

[0014] The first single-axis vibrating screen is used for preliminary screening of the magnesium-carbon residual bricks to remove iron impurities;

[0015] Roller crusher is used to crush and grind the preliminarily screened magnesium carbon residual bricks for the second time;

[0016] 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.

[0017] In addition, in an optional solution, the storage component includes:

[0018] Biomass charcoal powder storage silo, used for storing biomass charcoal powder;

[0019] The bonding auxiliary material storage bin is used for storing bonding auxiliary materials.

[0020] In addition, there is an optional solution that the material conveying component includes:

[0021] A first transport belt is used to transport the magnesium carbon powder preparation to the mixer;

[0022] A first weighing sensor, used for weighing the magnesium-carbon powder preparation added to the mixer and transmitting the weight to the control system;

[0023] A second weighing sensor is used to weigh the biomass carbon powder and the bonding auxiliary material added to the mixer respectively, and transmit the weight to the control system;

[0024] A second elevator is used to transport the biomass carbon powder and the storage adhesive auxiliary material to a second transport belt;

[0025] The second transport belt is used to transfer the biomass charcoal powder and the storage adhesive auxiliary material in the biomass charcoal powder storage bin to the mixer.

[0026] In addition, there is an optional solution that the control system includes a recipe control unit and a humidity detection device, wherein:

[0027] 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;

[0028] The humidity detection device is used to detect the moisture content of the mixed preparatory material generated after the biomass carbon powder is mixed with the bonding auxiliary material;

[0029] In addition, there is a selected solution that the hybrid molding component includes:

[0030] A mixer, used for mixing and stirring the magnesium-carbon powder preparation material and the mixed preparation material;

[0031] The forming press is used to press the materials evenly mixed in the mixer into slag-making auxiliary material briquettes.

[0032] The present invention also provides a method for preparing slag-making auxiliary materials by coupling magnesium carbon residual bricks with biomass charcoal, comprising:

[0033] Crushing and screening the magnesium carbon residual bricks to obtain magnesium carbon powder preparation;

[0034] The biomass carbon powder, the bonding auxiliary material and water are mixed in proportion to obtain a mixed pre-material;

[0035] The magnesium-carbon powder preparation material and the mixed preparation material are mixed in proportion, and are pressed under high pressure to form slag-making auxiliary material briquettes.

[0036] In addition, an alternative solution is to dry the slag-making auxiliary material briquette at a temperature of 120° C. to 150° C.;

[0037] The dried slag-making auxiliary material briquette is cooled to form block-shaped slag-making auxiliary material.

[0038] In addition, there is an alternative solution that the magnesia-carbon residual bricks are crushed and screened to obtain magnesia-carbon powder preparation, including:

[0039] The magnesium carbon residual bricks are crushed for the first time by a jaw crusher;

[0040] The crushed magnesium carbon residual bricks are transported to a belt conveyor with magnetic rollers through a first elevator;

[0041] Removing iron impurities from the magnesium carbon residual bricks on the belt conveyor by an electromagnetic iron remover;

[0042] The magnesium-carbon residual bricks from which iron impurities have been removed are preliminarily screened by a first uniaxial vibrating screen to generate magnesium-carbon powder, wherein the particle size of the magnesium-carbon powder is less than or equal to 50 mm;

[0043] Secondary crushing of the magnesium carbon powder by a roller crusher;

[0044] The magnesium-carbon residual bricks that have been crushed for the second time are screened for the second time through a second uniaxial vibrating screen to obtain the magnesium-carbon powder preparation, wherein the particle size of the magnesium-carbon powder preparation is 1-2 mm.

[0045] In addition, there is a selected scheme that the biomass carbon powder, the bonding auxiliary material and the water are mixed in proportion to obtain a mixed preparation, including:

[0046] The adhesive auxiliary material with a mass percentage of 3wt% is stirred and mixed with the biomass carbon powder in the biomass carbon powder storage bin; wherein,

[0047] During the stirring process, water is added to the bonding auxiliary material and the biomass carbon powder until the content of water in the bonding auxiliary material and the biomass carbon powder reaches 20%.

[0048] In addition, there is a selected scheme that the magnesium-carbon powder preparation material and the mixed preparation material are mixed in proportion and pressed under high pressure to form a compact, including:

[0049] Add 80-95wt% of the magnesium-carbon powder preparation and 5-20wt% of the mixed preparation into a mixer for mixing;

[0050] The mixed materials are pressed by a forming press to produce slag-making auxiliary material briquettes.

[0051] In addition, there is an option that the cooling method adopted for the slag-making auxiliary material briquette after drying is natural cooling or forced cooling, and the cooling time is 1-2 hours.

[0052] It can be seen from the above technical scheme that the equipment and method for preparing slag-making auxiliary materials by coupling magnesium-carbon residual bricks with biomass charcoal provided by the present invention can achieve the following beneficial effects compared with the prior art:

[0053] 1) By coupling magnesium carbon residual bricks with biomass charcoal to prepare slag making auxiliary materials, industrial waste can be reused and resource utilization can be improved;

[0054] 2) The prepared slag-making auxiliary material has the characteristics of high density and high activity, and can be widely used in the metallurgical industry.

[0055] In order to achieve the above and related purposes, one or more aspects of the present invention include the features that will be described in detail later. The following description and the accompanying drawings describe some exemplary aspects of the present invention in detail. However, these aspects indicate only some of the various ways in which the principles of the present invention can be used. In addition, the present invention is intended to include all these aspects and their equivalents. BRIEF DESCRIPTION OF THE DRAWINGS

[0056] By referring to the following description in conjunction with the accompanying drawings, and with a more comprehensive understanding of the present invention, other objects and results of the present invention will become more apparent and easy to understand. In the accompanying drawings:

[0057] Figure 1 A schematic diagram of a device for preparing slag-making auxiliary materials by coupling magnesium-carbon residual bricks and biomass charcoal according to an embodiment of the present invention;

[0058] Figure 2It is a schematic diagram of a method for preparing slag-making auxiliary material by coupling magnesium-carbon residual bricks and biomass charcoal according to an embodiment of the present invention;

[0059] Figure 3 The figure is a detailed schematic diagram of the process of preparing slag making auxiliary materials by coupling magnesium carbon residual bricks with biomass charcoal according to an embodiment of the present invention.

[0060] Reference numerals include:

[0061] 1. Jaw crusher, 2. Electromagnetic iron remover, 3. First single-axis vibrating screen, 4. Roller crusher,

[0062] 5. The first transfer belt, 6. The second transfer belt, 7. The second weighing sensor, 8. The second elevator, 9. The bonding auxiliary material storage bin, 10. The control system, 11. The induced draft fan, 12. The dust removal tower, 13. The first elevator, 14. The belt conveyor, 15. The second single-axis vibrating screen, 16. The first weighing sensor, 17. The mixer, 18. The molding press, 19. The biomass carbon powder storage bin, 20. The feeder, 21. The material making tower, 22. The transfer vehicle, 23. The fan.

[0063] The same reference numerals throughout the drawings indicate similar or corresponding features or functions. DETAILED DESCRIPTION

[0064] In the following description, for the purpose of illustration, in order to provide a comprehensive understanding of one or more embodiments, many specific details are set forth. However, it is apparent that these embodiments may also be implemented without these specific details. In other examples, for ease of describing one or more embodiments, known structures and devices are shown in the form of block diagrams.

[0065] In the description of the present invention, it is to be understood that the terms “center”, “longitudinal”, “lateral”, “length”, “width”, “thickness”, “up”, “down”, “front”, “back”, “left”, “right”, “vertical”, “horizontal”, “top”, “bottom”, “inside”, “outside”, “clockwise”, “counterclockwise”, “axial”, “radial”, “circumferential”, etc., indicating orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0066] In order to solve the problems of large resource consumption and serious environmental pollution in the traditional slag-making auxiliary material preparation process, the present invention proposes an apparatus and method for preparing slag-making auxiliary material by coupling magnesium carbon residual bricks with biomass charcoal.

[0067] The specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

[0068] In order to illustrate the structure of the device for preparing slag making auxiliary material by coupling magnesium carbon residual bricks and biomass charcoal provided by the present invention, Figure 1 The structure of the equipment for preparing slag-making auxiliary materials by coupling magnesium-carbon residual bricks and biomass charcoal according to an embodiment of the present invention is shown.

[0069] like Figure 1 As shown, the device for preparing slag-making auxiliary materials by coupling magnesium-carbon residual bricks with biochar provided by the present invention includes: a magnesium-carbon powder preparation material generation component, a storage component, a material conveying component, a mixing and molding component and a control system 10, wherein the magnesium-carbon powder preparation material generation component is used to crush and screen the magnesium-carbon residual bricks to generate magnesium-carbon powder preparation material; the storage component is used to store biomass carbon powder and storage bonding auxiliary materials respectively; the material conveying component is used to convey the magnesium-carbon powder preparation material, the biomass carbon powder and the bonding auxiliary material to the molding briquetting component respectively; the control system 10 is used to control the mixing ratio of the magnesium-carbon powder preparation material, the biomass carbon powder and the bonding auxiliary material; the mixing and molding component is used to mix the magnesium-carbon powder preparation material, the biomass carbon powder and the bonding auxiliary material in proportion to generate slag-making auxiliary material briquette.

[0070] Specifically, the magnesium-carbon powder preparation material generating component includes: a jaw crusher 1, used for performing the first crushing of the magnesium-carbon residual bricks; a first elevator 13, used for conveying the crushed magnesium-carbon residual bricks to a belt conveyor 14 with a magnetic roller; an electromagnetic iron remover 2, used for removing iron impurities from the magnesium-carbon residual bricks on the belt conveyor 14; a first single-axis vibrating screen 3, used for performing preliminary screening of the magnesium-carbon residual bricks from which the iron impurities have been removed; a roller crusher 4, used for performing a second crushing and grinding of the magnesium-carbon residual bricks that have been preliminarily screened; and a second single-axis vibrating screen 15, used for performing a second screening of the magnesium-carbon residual bricks that have been crushed for the second time to obtain magnesium-carbon powder preparation material with a particle size that meets the standard.

[0071] The storage component includes: a biomass carbon powder storage bin 19 for storing biomass carbon powder; and a bonding auxiliary material storage bin 9 for storing bonding auxiliary materials.

[0072] Among them, the material conveying component includes: a first transfer belt 5, used to transfer the magnesium carbon powder preparation to the mixer 17; a first weighing sensor 16, used to weigh the magnesium carbon powder preparation added to the mixer, and transmit it to the control system 10; a second weighing sensor 7, used to weigh the biomass carbon powder and the adhesive auxiliary material added to the mixer 17 respectively, and transmit it to the control system 10; a second elevator 8, used to transport the biomass carbon powder and the stored adhesive auxiliary material to the second transfer belt 6; the second transfer belt 6, used to transfer the biomass carbon powder and the stored adhesive auxiliary material in the biomass carbon powder storage bin to the mixer 17.

[0073] Among them, the control system 10 includes a formula control unit and a humidity detection device, the formula control unit is used to control the mixing ratio of the magnesium carbon powder preparatory material, the biomass carbon powder, and the bonding auxiliary material; the humidity detection device is used to detect the moisture content of the mixed preparatory material generated after the biomass carbon powder and the bonding auxiliary material are mixed.

[0074] The mixed molding component includes: a mixer 17 for mixing and stirring the magnesium-carbon powder preparation and the mixed preparation; a molding press 18 for pressing the material evenly stirred in the mixer 17 into a pressed block, and conveying the pressed block to the drying component.

[0075] Among them, the equipment for preparing slag-making auxiliary materials by coupling magnesium carbon residual bricks with biomass charcoal also includes the drying component, which is used to dry the generated briquettes and remove dust from the dried exhaust gas. The drying component includes: a loader 20, which is used to transport the briquettes to the material making tower 21; a fan 23, which is used to transport the low-temperature preheated flue gas to the material making tower 21; the material making tower 21 is used to place the briquettes to be dried, and dry the briquettes under the action of the low-temperature preheated flue gas; an induced draft fan 11, which is used to introduce the exhaust gas dried in the material making tower into the dust removal tower 12; the dust removal tower 12 is used to remove dust from the exhaust gas, and a partition grid is provided inside the material making tower 21, and the briquettes are placed on the partition grid; wherein, the low-temperature preheated flue gas is transported to the partition grid to dry the briquettes; the transfer vehicle 22 is used to transport the dried raw molds to the next process.

[0076] exist Figure 1In the embodiment shown, a jaw crusher 1 crushes waste magnesium carbon bricks; an elevator 13 sends the crushed materials to a belt conveyor 14 (with magnetic rollers); an electromagnetic iron remover 2 removes iron impurities in the crushed materials; a first uniaxial vibrating screen 3 preliminarily screens the materials; a roller crusher 4 performs secondary grinding on the materials; a second uniaxial vibrating screen 15 performs secondary screening on the materials to obtain magnesium carbon powder preparatory materials with a particle size that meets the standard; the preparatory materials are sent to a mixer 17 through a conveyor belt 5; a first weighing sensor 16 weighs the added amount and transmits it to a control system 10; a second weighing sensor 7 weighs the added amount and transmits it to a control system 10 for a feeding formula; the control system 10 is provided with a humidity detection device, which can detect the moisture content of the mixed and pressed preparatory materials in the biomass carbon powder storage bin 19. The conditions are ensured to ensure the production molding rate; the second transfer belt 6 sends the weighed prefabricated materials mixed in the biomass charcoal powder storage bin 19 to the mixer 17, and all the prefabricated materials that need to be added to prepare slag-making auxiliary materials are fully mixed; after mixing, they enter the molding press 18 for molding and pressing to form wet briquettes; the wet briquettes are sent to the material tower 21 with a material separation grid for drying through the feeder 20; the high-power hot flue gas conveying fan 23 preheats the low-temperature flue gas below 200°C through the separation grid of the material tower with a material separation grid for drying, and dries the wet briquettes; the induced draft fan 11 introduces the dried exhaust gas into the dust removal tower 12, and discharges it after dust removal; the transfer vehicle 22 cools the dried briquettes and transfers them to the process position for adding slag-making auxiliary materials.

[0077] Corresponding to the above-mentioned equipment, the present invention also provides a method for preparing slag making auxiliary materials by coupling magnesium carbon residual bricks with biomass charcoal. Figure 2 The present invention shows a method for preparing slag-making auxiliary materials by coupling magnesium-carbon residual bricks with biomass charcoal according to an embodiment of the present invention.

[0078] like Figure 2 As shown, the method for preparing slag making auxiliary material by coupling magnesium carbon residual bricks and biomass charcoal provided by the present invention comprises:

[0079] S110: crushing and screening the magnesium carbon residual bricks to obtain magnesium carbon powder preparation;

[0080] S120: mixing biomass carbon powder, bonding auxiliary material and water in proportion to obtain a mixed pre-material;

[0081] S130: Mixing the magnesium-carbon powder preparation material and the mixed preparation material in proportion, and performing high-pressure pressing to form slag-making auxiliary material briquettes.

[0082] In an embodiment of the present invention, the method for preparing slag making auxiliary material by coupling magnesium carbon residual bricks with biomass charcoal further comprises:

[0083] Drying the slag-making auxiliary material briquettes at a temperature of 120° C. to 150° C.;

[0084] The dried slag-making auxiliary material briquette is cooled to form block-shaped slag-making auxiliary material.

[0085] In step S110, Figure 3 As shown, the crushing and screening of the magnesium-carbon residual bricks to obtain magnesium-carbon powder preparation includes:

[0086] The magnesium carbon residual bricks are crushed for the first time by a jaw crusher;

[0087] The crushed magnesium carbon residual bricks are transported to a belt conveyor with magnetic rollers through a first elevator;

[0088] Removing iron impurities from the magnesium carbon residual bricks on the belt conveyor by an electromagnetic iron remover;

[0089] The magnesium-carbon residual bricks from which iron impurities have been removed are preliminarily screened by a first uniaxial vibrating screen to generate magnesium-carbon powder, wherein the particle size of the magnesium-carbon powder is less than or equal to 50 mm;

[0090] Secondary crushing of the magnesium carbon powder by a roller crusher;

[0091] The magnesium-carbon residual bricks that have been crushed for the second time are screened for the second time through a second uniaxial vibrating screen to obtain the magnesium-carbon powder preparation, wherein the particle size of the magnesium-carbon powder preparation is 1-2 mm.

[0092] In the embodiment of the present invention, the crushing particle size of the magnesium carbon residual brick can be adjusted according to actual needs, and is generally controlled within the range of 50mm. The grinding degree of the biomass charcoal should make its powder particle size fine enough, controlled within 1-2mm, so as to be fully mixed with the magnesium carbon residual brick fragments.

[0093] In step S120, Figure 3 As shown, the biomass carbon powder, the bonding auxiliary material and water are mixed in proportion to obtain a mixed pre-material, including:

[0094] The adhesive auxiliary material with a mass percentage of 3wt% is stirred and mixed with the biomass carbon powder in the biomass carbon powder storage bin; wherein,

[0095] During the stirring process, water is added to the bonding auxiliary material and the biomass carbon powder until the content of water in the bonding auxiliary material and the biomass carbon powder reaches 20%.

[0096] In step S130, Figure 3 As shown, the magnesium-carbon powder preparation material and the mixed preparation material are mixed in proportion and pressed under high pressure to form a compact, including:

[0097] 80-95wt% of the magnesium-carbon powder preparation and 5-20wt% of the mixed preparation are added into a mixer for mixing; the mixed materials are pressed by a molding press to form briquettes.

[0098] In step S120 and step S130, a certain proportion of bonding auxiliary materials and water are added, fully mixed, and pressed under high pressure to form high-density slag-making auxiliary material briquettes; the high-density briquettes are dried at a suitable temperature to volatilize the moisture of the briquettes, and the magnesium-carbon powder, biomass charcoal and bonding auxiliary materials are further agglomerated, and the strength of the briquettes is increased. Among them, the mixing ratio of magnesium-carbon residual brick fragments and biomass charcoal powder can be adjusted according to actual needs.

[0099] In addition, the cooling method adopted for the briquette after drying is natural cooling or forced cooling, and the cooling time is 1-2 hours. The temperature and time can be appropriately adjusted according to the actual situation of the magnesium carbon residual brick and biomass charcoal. Generally, the baking temperature is controlled at 120-150°C and the time is controlled at 1-2 hours.

[0100] It can be seen from the above embodiments that the present invention provides an apparatus and method for preparing slag-making auxiliary materials by coupling magnesium-carbon residual bricks with biochar. By scientifically proportioning and high-temperature treating magnesium-carbon residual bricks with biochar powder, a high-density, high-activity and environmentally friendly magnesium oxide slag-making auxiliary material is prepared using special equipment. The slag-making auxiliary material can replace the light-burned magnesium balls required for steelmaking. Magnesium-carbon residual bricks are common waste in the metallurgical industry, and biochar, as a renewable resource, has the advantages of environmental protection and low cost. Therefore, the coupling of magnesium-carbon residual bricks with biochar to prepare slag-making auxiliary materials is not only conducive to resource recycling, reducing the generation of solid waste, and reducing disposal risks; it can also reduce production costs.

[0101] As described above with reference to the accompanying drawings, the device and method for preparing slag-making auxiliary materials by coupling magnesium-carbon residual bricks and biomass charcoal according to the present invention are described by way of example. However, those skilled in the art should understand that various improvements can be made to the device and method for preparing slag-making auxiliary materials by coupling magnesium-carbon residual bricks and biomass charcoal proposed in the present invention without departing from the content of the present invention. Therefore, the scope of protection of the present invention should be determined by the content of the attached claims.

Claims

1. A device for preparing slag-making auxiliary materials by coupling magnesium carbon residual bricks with biomass charcoal, characterized in that: include: Magnesium carbon powder preparation material generation component, storage component, material conveying component, mixed molding 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 assembly is used to convey the magnesium carbon powder preparation, the biomass carbon powder, and the bonding auxiliary material to the forming briquetting assembly 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 mixed 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.

2. The equipment for preparing slag-making auxiliary materials by coupling magnesium-carbon residual bricks with biomass charcoal according to claim 1 is characterized in that: The magnesium-carbon powder preparation material generating assembly comprises: A jaw crusher is used for first crushing the magnesium carbon residual bricks; The first elevator is used to transport the broken magnesium carbon residual bricks to the belt conveyor with magnetic rollers; An electromagnetic iron remover, used to remove iron impurities in the magnesium carbon residual bricks on the belt conveyor; The first single-axis vibrating screen is used for preliminary screening of magnesium-carbon residual bricks to remove iron impurities; Roller crusher is used to crush and grind the preliminarily screened magnesium carbon residual bricks for the second time; 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 equipment for preparing slag-making auxiliary materials by coupling magnesium-carbon residual bricks with biomass charcoal according to claim 2 is characterized in that: The storage component comprises: 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 equipment for preparing slag-making auxiliary materials by coupling magnesium-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 to the mixer; A first weighing sensor, used for weighing the magnesium-carbon powder preparation added to the mixer and transmitting the weight to the control system; A second weighing sensor is used to weigh the biomass charcoal powder and the bonding auxiliary material added to the mixer, respectively, and transmit 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 transport belt is used to transfer the biomass charcoal powder and the storage adhesive auxiliary material in the biomass charcoal powder storage bin to the mixer.

5. The equipment for preparing slag-making auxiliary materials by coupling magnesium-carbon residual bricks with biomass charcoal 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 preparatory material generated after the biomass carbon powder is mixed with the bonding auxiliary material.

6. The equipment for preparing slag-making auxiliary materials by coupling magnesium-carbon residual bricks with biomass charcoal according to claim 5 is characterized in that: The hybrid molding assembly 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 materials evenly mixed in the mixer into slag-making auxiliary material briquettes.

7. A method for preparing slag-making auxiliary materials by coupling magnesium carbon residual bricks with biomass charcoal, characterized in that: include: Crushing and screening the magnesium carbon residual bricks to obtain magnesium carbon powder preparation; The biomass carbon powder, the bonding auxiliary material and water are mixed in proportion to obtain a mixed pre-material; The magnesium-carbon powder preparation material and the mixed preparation material are mixed in proportion, and are pressed under high pressure to form slag-making auxiliary material briquettes.

8. The method for preparing slag-making auxiliary materials by coupling magnesium-carbon residual bricks with biomass charcoal according to claim 7, characterized in that: Also includes: Drying the slag-making auxiliary material briquettes at a temperature of 120° C. to 150° C.; The dried slag-making auxiliary material briquettes are cooled.

9. The method for preparing slag-making auxiliary materials by coupling magnesium-carbon residual bricks with biomass charcoal according to claim 8, characterized in that: The method of crushing and screening the magnesium-carbon residual bricks to obtain magnesium-carbon powder preparation includes: The magnesium carbon residual bricks are crushed for the first time by a jaw crusher; The crushed magnesium carbon residual bricks are transported to a belt conveyor with magnetic rollers through a first elevator; Removing iron impurities from the magnesium carbon residual bricks on the belt conveyor by an electromagnetic iron remover; The magnesium-carbon residual bricks from which iron impurities have been removed are preliminarily screened by a first uniaxial vibrating screen to generate magnesium-carbon powder, wherein the particle size of the magnesium-carbon powder is less than or equal to 50 mm; Secondary crushing of the magnesium carbon powder by a roller crusher; The magnesium-carbon residual bricks that have been crushed for the second time are screened for the second time through a second uniaxial vibrating screen to obtain the magnesium-carbon powder preparation, wherein the particle size of the magnesium-carbon powder preparation is 1-2 mm.

10. The method for preparing slag-making auxiliary materials by coupling magnesium-carbon residual bricks with biomass charcoal according to claim 8, characterized in that: The biomass carbon powder, the bonding auxiliary material and the water are mixed in proportion to obtain a mixed pre-material, comprising: The adhesive auxiliary material with a mass percentage of 3wt% is stirred and mixed with the biomass carbon powder in the biomass carbon powder storage bin; wherein, During the stirring process, water is added to the bonding auxiliary material and the biomass carbon powder until the content of water in the bonding auxiliary material and the biomass carbon powder reaches 20%.

11. The method for preparing slag-making auxiliary materials by coupling magnesium-carbon residual bricks with biomass charcoal according to claim 8, characterized in that: The magnesium-carbon powder preparation material and the mixed preparation material are mixed in proportion and pressed under high pressure to form a compact, comprising: Add 80-95wt% of the magnesium-carbon powder preparation and 5-20wt% of the mixed preparation into a mixer for mixing; The mixed materials are pressed by a forming press to produce slag-making auxiliary material briquettes.

12. The method for preparing slag-making auxiliary materials by coupling magnesium-carbon residual bricks with biomass charcoal according to claim 8, characterized in that: The cooling method for the slag-making auxiliary material briquette after drying is natural cooling or forced cooling, and the cooling time is 1-2h.

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