CN114426406B

CN114426406B - Low-carbon cementing material preparation system and preparation method

Info

Publication number: CN114426406B
Application number: CN202210353402.4A
Authority: CN
Inventors: 张宁; 张静文; 黄晓燕; 李庆华
Original assignee: Shanxi Yunhong Environmental Technology Development Co ltd; Beike Yunhong Environmental Protection Technology Beijing Co ltd
Current assignee: Shanxi Yunhong Environmental Technology Development Co ltd; Beike Yunhong Environmental Protection Technology Beijing Co ltd
Priority date: 2022-04-06
Filing date: 2022-04-06
Publication date: 2022-06-21
Anticipated expiration: 2042-04-06
Also published as: CN114426406A

Abstract

The application provides a low-carbon cementing material preparation system and a preparation method, which comprises a steel slag preparation production line, a gypsum preparation production line, a slag preparation production line and a mixed production line; the steel slag preparation production line comprises a suspension type iron remover, a first magnetic roller iron remover, a crusher, a second magnetic roller iron remover, a vibrating screen, a third magnetic roller iron remover, a roller press, a powder concentrator, a first tube mill, a pipeline iron remover and a first intermediate bin which are connected in sequence; the gypsum preparation production line comprises a dryer; the slag preparation production line comprises an iron removal bin, a vertical mill, a second intermediate bin, a second tube mill and a third intermediate bin which are connected in sequence; mix the production line including the third tube mill that connects gradually, mix storehouse and mix the stirring storehouse, drying-machine and first middle storehouse all are connected with the third tube mill, and the third middle storehouse is connected with mixing the stirring storehouse. The automation degree is high, the efficiency is high, and the quality of the prepared cementing material is high.

Description

Low-carbon cementing material preparation system and preparation method

Technical Field

The invention relates to the field of resource utilization of low-carbon building materials and industrial solid wastes, in particular to a preparation system and a preparation method of a low-carbon cementing material.

Background

With the development of a large number of mines towards deep mining, tailings are used as the most main solid waste generated in the production process of the mines, and in order to improve the resource utilization rate and the environment and solve the problems of large stacking area, serious environmental pollution, multiple potential safety hazards and the like, the tailings, steel slag, gypsum and the like are used for preparing cementing materials to be gradually excavated by people. In the prior art, preparation equipment such as tailings, steel slag, gypsum and the like are designed independently, and various raw materials are processed and then transferred to a new station to be mixed to prepare the cementing material.

The inventors have found in their studies that the conventional cement preparation systems have the following disadvantages:

the preparation efficiency is low and the preparation cost is high.

Disclosure of Invention

The invention aims to provide a low-carbon cementing material preparation system and a preparation method, which can improve the preparation efficiency and reduce the preparation cost, and the obtained cementing material has high quality and is safe and reliable to use.

The embodiment of the invention is realized by the following steps:

based on the above purpose, the present invention provides a low-carbon cementing material preparation system, which comprises:

a steel slag preparation production line, a gypsum preparation production line, a slag preparation production line and a mixed production line;

the steel slag preparation production line comprises a suspension type iron remover, a first magnetic roller iron remover, a crusher, a second magnetic roller iron remover, a vibrating screen, a third magnetic roller iron remover, a roller press, a powder concentrator, a first tube mill, a pipeline iron remover and a first intermediate bin which are connected in sequence;

the gypsum preparation production line comprises a dryer;

the slag preparation production line comprises an iron removal bin, a vertical mill, a second intermediate bin, a second tube mill and a third intermediate bin which are connected in sequence;

mix the production line and grind, mix the storehouse and mix the stirring storehouse including the third pipe that connects gradually, drying-machine and first intermediate bin all are connected with the third pipe, and the third intermediate bin is connected with mixing the stirring storehouse.

In a preferred embodiment of the invention, the suspension type iron remover comprises a frame, a conveying mechanism, an iron removing mechanism and an adjusting mechanism;

the conveying mechanism comprises a first motor, a driving roller, a driven roller and a conveying belt, the first motor is arranged on the rack, the driving roller and the driven roller are both rotatably connected with the rack, the driving roller is arranged on an output shaft of the first motor, the conveying belt is simultaneously tensioned outside the driving roller and the driven roller, and the conveying belt is used for conveying the steel slag raw material towards the first magnetic roller iron remover;

the iron removing mechanism comprises a base body and a magnetic adsorption unit for adsorbing iron materials in steel slag raw materials on the conveying belt, the magnetic adsorption unit comprises a plurality of adsorption bodies, the adsorption bodies are connected with the base body on a first axis in a sliding mode, the adsorption bodies are distributed on a second axis, two adjacent adsorption bodies are connected in a rotating mode around a third axis, the first axis, the second axis and the third axis are perpendicular to each other, and the axes of the driving roller and the driven roller are parallel to the third axis;

the adjusting mechanism comprises a first adjusting unit and a second adjusting unit, the first adjusting unit and the second adjusting unit are both arranged on the rack, the first adjusting unit is abutted against the conveying belt and can drive the conveying belt to reciprocate in the extending direction of the first axis, so that the fluctuation form of the conveying belt is adjusted; the second adjusting unit is used for adjusting the arrangement form of the plurality of the adsorption bodies of the same magnetic adsorption unit so as to adapt to the fluctuation form of the conveying belt.

In a preferred embodiment of the invention, the first adjusting unit comprises a second motor, a force transmission assembly, a guide sleeve and a guide rod, and the second motor is connected with the frame; the force transmission assembly comprises a first eccentric wheel, an adjusting slide block and a bendable clamping piece, wherein an annular suspension groove extending in the circumferential direction of the first eccentric wheel is formed in the wheel surface of the first eccentric wheel, an annular limiting convex part extending in the circumferential direction of the first eccentric wheel is arranged on the groove wall of the annular suspension groove, and the first eccentric wheel is connected with an output shaft of a second motor; one end of the adjusting slide block is fixedly connected with the bendable clamping piece, the other end of the adjusting slide block is rotatably connected with the annular suspension groove, and the adjusting slide block is simultaneously abutted against the groove bottom wall of the annular suspension groove and the annular limiting convex part so as to prevent the adjusting slide block from being separated from the annular suspension groove from the notch of the annular suspension groove; the flexible clamping piece is provided with a slideway, and the edge of the conveying belt is arranged in the slideway and is connected with the slideway in a sliding way; the guide sleeve is connected with the rack, one end of the guide rod is inserted into the guide sleeve and is matched with the guide sleeve in a sliding way on the first axis, and the other end of the guide rod is fixedly connected with the bendable clamping piece;

the second motor is used for driving the first eccentric wheel to rotate, so that the wave crests and the wave troughs are formed alternately by adjusting the sliding blocks and the parts of the conveying belt driven by the bendable clamping pieces.

In a preferred embodiment of the invention, the second motor is a double-shaft motor, the number of the force transmission assemblies is two, the two force transmission assemblies are respectively in one-to-one correspondence with the two output shafts of the double-shaft motor, and the two first eccentric wheels of the two force transmission assemblies are respectively arranged on the two output shafts of the double-shaft motor; two flexible clamping pieces of the two force transmission assemblies are respectively positioned on two sides of the width direction of the conveying belt and are arranged in a central symmetry manner.

In a preferred embodiment of the present invention, the base body is provided with an installation portion, the installation portion is provided with a plurality of sliding grooves, the plurality of sliding grooves are arranged at intervals on the second axis, each sliding groove extends on the third axis, each sliding groove is provided with a first elastic member, the plurality of adsorbing bodies are respectively inserted into the plurality of sliding grooves, each adsorbing body is connected with the corresponding first elastic member, and the plurality of first elastic members are used for supporting the plurality of adsorbing bodies and enabling the plurality of adsorbing bodies to be located in a plane jointly determined by the second axis and the first axis;

the second adjusting unit comprises a third motor, a second eccentric wheel, a fourth motor and a third eccentric wheel, the third motor and the fourth motor are both connected with the base body, the second eccentric wheel is connected with the third motor, the third eccentric wheel is connected with the fourth motor, the second eccentric wheel and the third eccentric wheel are respectively positioned on two sides of the adsorption body in the extending direction of the first axis, and the second eccentric wheel is positioned below the third eccentric wheel; the second eccentric wheel is used for driving a plurality of adsorbents to rotate so as to be in a wave crest form corresponding to the conveying belt, and the third eccentric wheel is used for driving a plurality of adsorbents to rotate so as to be in a wave trough form corresponding to the conveying belt.

In a preferred embodiment of the invention, the adjusting mechanism further comprises a relay and a position sensor, and the position sensor, the first motor, the second motor, the third motor and the fourth motor are all in communication connection with the relay; the position sensor comprises a transmitting module and a plurality of receiving modules, and the transmitting module is arranged on the bendable clamping piece; the base body is provided with a plurality of magnetic adsorption units which are uniformly distributed at intervals in the circumferential direction, the plurality of receiving modules are respectively arranged on the plurality of magnetic adsorption units, and the plurality of receiving modules are uniformly distributed at intervals in the circumferential direction of the base body; the frame is provided with a fifth motor which is in communication connection with the relay, the fifth motor is connected with the base body and is used for driving the base body to rotate around an axis parallel to the first axis so that the plurality of receiving modules sequentially pass through the transmitting module;

when a target unit in the plurality of magnetic adsorption units moves to a position where a receiving module positioned on the target unit can receive a signal sent by a transmitting module, the relay controls the fifth motor to be turned off and controls the first motor, the second motor, the third motor and the fourth motor to be turned off after running for a first set time; the relay controls the fifth motor to operate for a second set time while the first motor, the second motor, the third motor and the fourth motor are turned off; and setting that the target unit is located at a first position, the magnetic adsorption unit which is adjacent to the target unit and is about to move to the first position under the driving of the fifth motor is located at a second position, and the second set time is equal to the time required for the magnetic adsorption unit at the second position to move to the first position.

In a preferred embodiment of the present invention, the number of the adsorbers of each magnetic adsorption unit is a base number, and the receiving module is disposed on an intermediate adsorber among the plurality of adsorbers.

In a preferred embodiment of the invention, the adsorption body is an electromagnet, the base body is provided with a power supply and a plurality of control buttons which are connected with the power supply, the control buttons are respectively and electrically connected with the magnetic adsorption units, and the control buttons are set to be normally closed switches; the rack is provided with a touch rod, the control buttons can sequentially pass through the touch rod in the process of rotating along with the base body, and the touch rod is used for abutting against one of the control buttons to close the normally closed switch so as to enable the electromagnet to lose power and lose magnetism;

the touch rod is rotatably connected with the rack around an axis parallel to the first axis, the touch rod is simultaneously connected with the rack through a second elastic piece, and the second elastic piece is used for enabling the touch rod to have a trend of being close to the rotation of the control button.

The embodiment also provides a preparation method of the low-carbon cementing material, which is suitable for a low-carbon cementing material preparation system, and the method comprises the following steps:

respectively preparing steel slag powder, gypsum powder and slag powder by using a steel slag preparation production line, a gypsum preparation production line and a slag preparation production line;

stirring and mixing the steel slag powder, the gypsum powder and the slag powder by using a mixing production line to obtain a cementing material; wherein the cementing material comprises the following components in percentage by weight: 15-30% of steel slag powder, 50-77% of slag powder and 8-20% of gypsum powder.

In a preferred embodiment of the invention, the steel slag is waste slag discharged from a steel-making furnace, the mass percentage of free calcium oxide in the steel slag is less than or equal to 4%, and the mass percentage of chloride ions in the steel slag is less than or equal to 0.06%.

In a preferred embodiment of the invention, the slag powder comprises the following components in percentage by weight: 0-100% of slag, 0-100% of silicomanganese slag and 0-50% of slag; the slag is water-quenched blast furnace slag, the silicomanganese slag is silicomanganese slag generated in a production process of smelting silicomanganese alloy, and the slag is slag of a circulating fluidized bed boiler;

the gypsum powder is one or two of desulfurized gypsum, phosphogypsum and fluorgypsum, the mass percentage content of chloride ions of the gypsum powder is less than or equal to 0.5%, and both the internal irradiation index and the external irradiation index are less than or equal to 1.0.

The embodiment of the invention has the beneficial effects that:

in conclusion, the invention provides the low-carbon cementing material, the steel slag preparation production line can automatically prepare steel slag powder, the gypsum preparation production line can automatically prepare gypsum powder, the slag preparation production line can automatically prepare slag powder, and the prepared steel slag powder and gypsum powder can directly enter a third tube mill of a mixing production line and are firstly stirred and mixed for the first time. And then, the mixture and the slag powder enter a mixing and stirring bin to be stirred and mixed, so that the cementing material is obtained. The preparation process of the cementing material has high automation degree, does not need to be transferred independently, and reduces the time and manpower and material resources required by transfer, thereby improving the processing efficiency and reducing the cost. The steel slag powder and the gypsum powder are mixed firstly, and then the mixture is mixed with the slag powder, so that the mixing quality is high, and the prepared cementing material is high in quality.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a schematic structural diagram of a low-carbon cementitious material production system in accordance with an embodiment of the present invention;

FIG. 2 is a schematic view of a suspended iron remover according to an embodiment of the present invention;

FIG. 3 is a schematic view of a suspended iron remover according to another embodiment of the present invention;

FIG. 4 is a schematic structural diagram of a first adjusting unit and a target belt according to an embodiment of the present invention;

FIG. 5 is a schematic view of a first eccentric according to an embodiment of the present invention;

FIG. 6 is a schematic structural diagram of another view angle of the first eccentric wheel according to the embodiment of the present invention;

fig. 7 is a schematic structural diagram of a modification of the first adjustment unit according to the embodiment of the present invention;

FIG. 8 is a schematic view of the mating arrangement of the annular brace and the first eccentric of the embodiment of the present invention;

FIG. 9 is a schematic view of a perspective view of a magnetic attraction unit according to an embodiment of the present invention;

FIG. 10 is a structural diagram of another perspective view of a magnetic attraction unit according to an embodiment of the invention;

FIG. 11 is a schematic view of a sorbent body in accordance with an embodiment of the present invention;

fig. 12 is a schematic structural view of a modification of the magnetic adsorption unit according to the embodiment of the present invention;

FIG. 13 is a schematic structural diagram of a plurality of adsorbents according to an embodiment of the present invention;

fig. 14 is a schematic structural view of another embodiment of a plurality of adsorbents according to an embodiment of the present invention.

In the figure:

001-first axis; 002-second axis; 003-third axis; 100-a steel slag preparation production line; 110-suspended iron remover; 111-a frame; 112-a conveying mechanism; 1121 — a first electric machine; 1122-driving roller; 1123-driven roller; 1124-conveyor belt; 11241-target zone; 11242-hemisphere; 113-a deironing mechanism; 1131 — a magnetic adsorption unit; 1132 — a substrate; 1133, adsorbent; 11331-adsorption part; 11332-a mounting portion; 1134, a chute; 1135 — a first elastic member; 1136-a fifth motor; 114-an adjustment mechanism; 1141-a first regulating unit; 11411 — a second motor; 11412-a force transfer assembly; 11413-guide sleeve; 11414-a guide rod; 11415-a first eccentric wheel; 11416-adjusting the slide block; 11417-bendable clamp; 11418-annular suspension groove; 11419-annular limit protrusion; 11420-threaded end; 11421-a ball end; 11422-slide way; 11423-ring brace; 11424-a connector; 11425-arc groove; 11426-rolling ball head; 1143-a second regulating unit; 11431-a third motor; 11432-second eccentric wheel; 11433-a fourth motor; 11434-a third eccentric wheel; 11435-a baffle plate; 1145-a transmitting module; 1146-a receiving module; 120-a first magnetic drum de-ironing separator; 130-a crusher; 140-a second magnetic drum de-ironing separator; 150-vibrating screen; 160-a third magnetic drum de-ironing separator; 170-a roller press; 180-powder concentrator; 190-first tube mill; 200-a pipeline iron remover; 210-a first intermediate bin; 300-gypsum preparation line; 310-a dryer; 500-slag preparation line; 510-iron removal bin; 520-vertical mill; 530-a second intermediate bin; 540-second tube mill; 550-a third intermediate bin; 700-mixing production line; 710-a third tube mill; 720-mixing bin; 730-stirring bin of mixer; 901-control buttons; 902-touch bar; 903-second elastic member.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or the orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical", "suspended" and the like do not imply that the components are absolutely horizontal or suspended, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.

Referring to fig. 1 to 14, the present embodiment provides a system for preparing a low-carbon cementitious material, which includes a steel slag preparation line 100, a gypsum preparation line 300, a slag preparation line 500, and a mixing line 700.

Referring to fig. 1, a steel slag preparation line 100 includes a suspension type iron remover 110, a first magnetic drum iron remover 120, a crusher 130, a second magnetic drum iron remover 140, a vibrating screen 150, a third magnetic drum iron remover 160, a roller press 170, a powder concentrator 180, a first tube mill 190, a pipeline iron remover 200, and a first intermediate bin 210, which are connected in sequence. Meanwhile, the suspension type iron remover 110, the first magnetic roller iron remover 120, the crusher 130, the second magnetic roller iron remover 140, the vibrating screen 150, the third magnetic roller iron remover 160, the roller press 170, the powder concentrator 180, the first tube mill 190, the pipeline iron remover 200 and two adjacent devices in the first intermediate bin 210 can automatically transfer materials through conveying belts. Obviously, the cooperation of a conveying belt and a lifting machine can be provided, and the automatic transfer of materials is realized.

The gypsum preparation line 300 includes a dryer 310.

The slag preparation line 500 includes an iron removal bin 510, a vertical mill 520, a second intermediate bin 530, a second tube mill 540, and a third intermediate bin 550, which are connected in sequence. The automatic conveying of the materials can be carried out between two adjacent devices in the iron removing bin 510, the vertical mill 520, the second intermediate bin 530, the second pipe mill 540 and the third intermediate bin 550 through the conveying belt.

The mixing production line 700 comprises a third tube mill 710, a mixing bin 720 and a mixing and stirring bin which are connected in sequence, the dryer 310 and the first intermediate bin 210 are both connected with the third tube mill 710, and the third intermediate bin 550 is connected with the mixing and stirring bin. The third tube mill 710 and the mixing bin 720 are conveyed by a conveying belt. The mixing bin 720 and the mixing and stirring bin are used for conveying materials through a conveying belt. The dryer 310 and the third tube mill 710 carry out material conveying through a conveying belt, the first intermediate bin 210 and the third tube mill 710 carry out material conveying through the conveying belt, and the third intermediate bin 550 and the mixing and stirring bin carry out material conveying through the conveying belt.

In this embodiment, the steel slag raw material first passes through the suspension type iron remover 110, and is subjected to first iron removal to reduce the iron content in the steel slag raw material, and then passes through the first magnetic drum iron remover 120 to be subjected to second iron removal, and then enters the crusher 130 to be crushed, wherein the crusher 130 may be a jaw crusher. The particle size of the crushed steel slag raw material is reduced, then the crushed steel slag raw material enters a second magnetic drum iron remover 140 for third-time iron removal, then the crushed steel slag raw material enters a vibrating screen 150 for screening, and the screened steel slag raw material enters a third magnetic drum iron remover 160 for fourth-time iron removal. Then the iron is sequentially passed through a roller press 170, a powder concentrator 180 and a first tube mill 190, and enters a pipeline iron remover 200 after coming out of the first tube mill 190, so that fifth iron removal is completed, iron removal is independently performed for multiple times, and the iron removal effect is good. After a series of processing, the steel slag raw material is prepared into steel slag powder and stored in the first intermediate bin 210, and the steel slag powder can be conveyed to the third tube mill 710 at a constant speed or intermittently according to a set amount through the transfer of the first intermediate bin 210, so as to be mixed with the dried gypsum powder. It should be understood that the raw material for preparing the gypsum powder may be desulfurized gypsum.

Similarly, the slag raw material is first processed through the iron removal bin 510 to remove iron, and then processed through the vertical mill 520 to complete the first milling, and the milled raw material is stored in the second intermediate bin 530. The raw materials are conveyed from the second intermediate bin 530 to the third tube mill 710 according to the set quantity to complete the second milling, then the raw materials are stored in the third intermediate bin 550, and finally the slag powder in the third intermediate bin 550 can be conveyed to the mixing and stirring bin according to the requirement to be mixed with the steel slag powder and the gypsum powder in a stirring manner.

Due to the arrangement of the first intermediate bin 210, the second intermediate bin 530 and the third intermediate bin 550, the operation of the first tube mill 190 and the vertical mill 520 is not affected by the shutdown of the second tube mill 540 and the third tube mill 710 due to faults and quality fluctuations. The third tube mill 710 is not affected by the mix and stir chamber downtime due to failure and quality fluctuations.

Referring to fig. 2 and 3, in the present embodiment, the suspension-type iron remover 110 optionally includes a frame 111, a conveying mechanism 112, an iron removing mechanism 113, and an adjusting mechanism 114. The conveying mechanism 112, the iron removing mechanism 113 and the adjusting mechanism 114 are connected to the frame 111. The frame 111 may be a steel frame, and is made by welding, and has high structural strength.

Referring to fig. 3, the conveying mechanism 112 optionally includes a first motor 1121, a driving roller 1122, a driven roller 1123, and a conveying belt 1124. The first motor 1121 is fixed to the frame 111 through a bolt, the driving roller 1122 and the driven roller 1123 are both rotatably connected to the frame 111 through a bearing, the driving roller 1122 is sleeved on an output shaft of the first motor 1121, and the driving roller 1122 and the driven roller are fixedly connected. The conveyer belt 1124 is simultaneously tensioned outside the driving roller 1122 and the driven roller 1123, the first motor 1121 is started to drive the driving roller 1122 to rotate, so that the conveyer belt 1124 is driven to rotate together by the driving roller 1122 and the driven roller 1123, and when the conveyer belt 1124 rotates, the conveyer belt 1124 can convey the steel slag raw material on the conveyer belt towards the first magnetic roller de-ironing separator 120.

It should be understood that the conveyor belt 1124 is an endless belt and is a belt. The conveying belt 1124 is tensioned to include two semicircular belts and two parallel rectangular belts under the combined action of the driving roller 1122 and the driven roller 1123, and the two semicircular belts are respectively attached to the driving roller 1122 and the driven roller 1123. The two sides of each rectangular belt are connected with the two semicircular belts, and the two rectangular belts are located between the two semicircular belts. When the conveyer belt 1124 is in operation, the two rectangular belts are arranged in parallel, and the rectangular belt above is used for bearing and conveying materials in the actual operation process. For convenience of description, in this embodiment, a rectangular belt for carrying and conveying the material is referred to as a target belt 11241.

Referring to fig. 2 to 4, optionally, the iron removing mechanism 113 includes a base 1132 and a magnetic adsorption unit 1131 for adsorbing ferrous materials in the steel slag raw material on the target belt 11241, the magnetic adsorption unit 1131 includes a plurality of adsorbents 1133, the plurality of adsorbents 1133 are all slidably connected to the base 1132 on a first axis 001, the plurality of adsorbents 1133 are arranged on a second axis 002, two adjacent adsorbents 1133 are rotatably connected around a third axis 003, wherein the first axis 001, the second axis 002 and the third axis 003 are perpendicular to each other, and the axes of the driving roller 1122 and the driven roller 1123 are parallel to the third axis 003. That is, two rectangular strips are arranged at intervals in the extending direction of the first axis 001. The magnetic adsorption unit 1131 is located above the target tape 11241, that is, on the side of the target tape 11241 away from the other rectangular tape. The base 1132 and the rack 111 may be set to have an adjustable distance on the first axis 001, so as to adjust the distance between the magnetic attraction unit 1131 on the base 1132 and the target tape 11241, thereby adapting to different environments, and the magnetic attraction device is flexible to use and has a wide range. That is, when the target belt 11241 transports the steel slag raw material, the adsorption body 1133 located above the steel slag raw material operates to adsorb iron substances located in the steel slag raw material, thereby reducing the iron content in the steel slag raw material.

Optionally, the adjusting mechanism 114 includes a first adjusting unit 1141 and a second adjusting unit 1143, the first adjusting unit 1141 and the second adjusting unit 1143 are both disposed on the frame 111, the first adjusting unit 1141 abuts against the conveying belt 1124 and can drive the conveying belt 1124 to reciprocate in the extending direction of the first axis 001, so as to adjust the undulation of the conveying belt 1124; the second adjustment unit 1143 is used to adjust the arrangement of the plurality of absorbers 1133 of the same magnetic adsorption unit 1131 so as to adapt to the undulation of the conveyor belt 1124.

Referring to fig. 2 to 6, in detail, the first adjusting unit 1141 includes a second motor 11411, a force transmission assembly 11412, a guide sleeve 11413, and a guide bar 11414, and the second motor 11411 is connected to the frame 111. The force transmission assembly 11412 includes a first eccentric wheel 11415, an adjusting slider 11416, and a bendable clamping member 11417, wherein the wheel surface of the first eccentric wheel 11415 is provided with an annular suspension groove 11418 extending in the circumferential direction of the first eccentric wheel 11415, the annular suspension groove 11418 encloses an eccentric shape similar to the first eccentric wheel 11415, the groove wall of the annular suspension groove 11418 is provided with an annular limit protrusion 11419 extending in the circumferential direction of the first eccentric wheel 11415, the annular limit protrusion 11419 has an annular abutting surface in an eccentric structure, in other words, the annular limit protrusion 11419 and the first eccentric wheel 11415 together define a groove structure in a "T" shape, an inverted "L" shape, or a dovetail shape, and the annular abutting surface and the groove bottom wall of the annular suspension groove 11418 are similar eccentric ring surfaces. A first eccentric 11415 is connected to the output shaft of the second motor 11411, the first eccentric 11415 being located between the two rectangular bands, or the first eccentric 11415 being located below the target band 11241. The adjustment slider 11416 has a threaded end 11420 and a ball end 11421, the threaded end 11420 being screwed into and fixedly attached to the bendable clip 11417, or the threaded end 11420 being screwed into and simultaneously bonded to the bendable clip 11417, or the threaded end 11420 being separately bonded to the bendable clip 11417. The other end of the adjustment slider 11416, i.e., the ball end 11421, is rotatably connected to the annular hanging groove 11418, and the ball end 11421 of the adjustment slider 11416 is located in the annular hanging groove 11418 and simultaneously abuts against the groove bottom wall and the annular abutting surface of the annular hanging groove 11418, so as to prevent the adjustment slider 11416 from being disengaged from the notch of the annular hanging groove 11418 from the annular hanging groove 11418. The flexible clamp 11417 is provided with a slide 11422, and the edge of the conveyor belt 1124 is disposed within the slide 11422 and is slidably connected to the slide 11422. The guide sleeve 11413 is connected to the frame 111, one end of the guide rod 11414 is inserted into the guide sleeve 11413 and slidably engaged with the guide sleeve 11413 on the first axis 001, and the other end of the guide rod 11414 is fixedly connected to the bendable clamp 11417.

It should be understood that the second motor 11411 is used to rotate the first eccentric 11415, so as to drive the conveyor belt 1124 partially and alternately to form peaks and valleys by adjusting the sliding block 11416 and the flexible clamping member 11417. Specifically, during the rotation of the conveying belt 1124, the flexible clamping member 11417 can only move in the extending direction of the first axis 001 under the cooperation of the guide sleeve 11413 and the guide bar 11414 by the flexible clamping member 11417, and does not move along with the conveying belt 1124. When the second motor 11411 is started, the first eccentric wheel 11415 rotates relative to the adjusting slider 11416, since the length of the adjusting slider 11416 is fixed, and the distance between the groove bottom wall and the annular abutting surface and the target tape 11241 changes when the first eccentric wheel 11415 rotates, so that under the driving of the adjusting slider 11416, the connecting position of the flexible clamping member 11417 and the adjusting slider 11416 generates a reciprocating movement in the extending direction of the first axis 001, so that the target tape 11241 generates a concave portion or a convex portion at a corresponding position through the flexible clamping member 11417, the concave portion can be understood as a trough form, and the convex portion can be understood as a peak form. When the target belt 11241 generates the concave portion or the convex portion, the steel slag material on the target belt 11241 rolls, so that the buried ferrous material is exposed, and the magnetic adsorption unit 1131 is facilitated to adsorb the ferrous material.

It should be understood that the reference to peaks and valleys in this embodiment is only intended to indicate that portions of the conveyor belt 1124 can be depressed or raised, with depressions being similar to valleys and projections being similar to peaks.

Referring to fig. 2, it should be understood that, in order to better deform the conveying belt 1124, the second motor 11411 is a dual-shaft motor, the two force transmission assemblies 11412 are provided in two, the two force transmission assemblies 11412 correspond to two output shafts of the dual-shaft motor one by one, and the two first eccentric wheels 11415 of the two force transmission assemblies 11412 are respectively mounted on the two output shafts of the dual-shaft motor; the two bendable clamp members 11417 of the two force-transmitting assemblies 11412 are located on both sides of the target tape 11241 in the width direction and are arranged in a central symmetry. The two first eccentrics 11415 are in synchronous motion, i.e., the two first eccentrics 11415 are completely coincident on the third axis 003, the forces applied to the target band 11241 are substantially identical, and the target band 11241 facilitates switching between a peak configuration and a valley configuration in cooperation with the two first eccentrics 11415.

Referring to fig. 7-8, in addition, in other embodiments, the second motors 11411 are single-shaft motors, the number of the second motors 11411 is three, and the three second motors 11411 are sequentially arranged in the width direction of the conveying belt 1124, i.e., the third direction. The number of the force transmission assemblies 11412 is two, the two second motors 11411 at the two ends are respectively connected with the first eccentric wheels 11415 of the two force transmission assemblies 11412, the second motor 11411 at the middle is connected with one first eccentric wheel 11415, the first eccentric wheel 11415 is connected with the flexible annular brace 11423 connected to the middle of the conveying belt 1124 through the adjusting slider 11416, one side of the annular brace 11423 is fixedly connected with the conveying belt 1124, the other side is provided with a connecting head 11424 with a circular cross section, the connecting head 11424 is slidably connected with the arc-shaped groove 11425 on the adjusting slider 11416, the cross section profile of the arc-shaped groove 11425 is a major arc, and the connecting head 11424 is clamped in the arc-shaped groove 11425 and cannot be disengaged from the notch of the arc-shaped groove 11425. So, three second motor 11411 cooperate simultaneously, make conveyer belt 1124 switch between crest form and trough form, and the form of conveyer belt 1124 switches more nimble reliable.

Referring to fig. 4, further, the bendable clamp 11417 may be configured as a metal member, and further may be an alloy member. Further, the flexible clamping member 11417 may be configured as a split structure, and the flexible clamping member 11417 includes a plurality of clamping heads, each clamping head has a channel, two rows of rolling balls are disposed in the channel, and a space for accommodating the edge of the conveying belt 1124 is formed between the two rows of rolling balls. The plurality of clamping heads are sequentially arranged and hinged together to form a chain link structure. Portions of the edges of the carrier strip 1124 are received in slides 11422 formed by a plurality of gripper heads. Meanwhile, in order to ensure that the edge of the conveying belt 1124 does not depart from the slide 11422 when being carried by the bendable clamping member 11417, a row of annular hemispheres 11242 may be provided on the surface of the conveying belt 1124, the hemispheres 11242 being fixed on the conveying belt 1124 and located inside the rolling sphere of the clamping head. The rolling ball is in rolling engagement with the bendable clamp 11417.

Referring to fig. 9 to 14, in the present embodiment, optionally, the base 1132 is provided with a mounting portion 11332, the mounting portion 11332 is provided with a plurality of sliding grooves 1134, the plurality of sliding grooves 1134 are arranged at intervals on the second axis 002, each sliding groove 1134 extends on the third axis 003, each sliding groove 1134 is provided with a first elastic member 1135, the plurality of adsorbing bodies 1133 are respectively inserted into the plurality of sliding grooves 1134, each adsorbing body 1133 is connected with the corresponding first elastic member 1135, and the plurality of first elastic members 1135 are used to support the plurality of adsorbing bodies 1133 and enable the plurality of adsorbing bodies 1133 to be located in a plane jointly determined by the second axis 002 and the first axis 001. It should be understood that the first elastic members 1135 may be springs, elastic pieces, rubber pieces, or the like, and two first elastic members 1135 may be disposed in each sliding groove 1134, and the two first elastic members 1135 jointly clamp one adsorption body 1133. That is, when the absorbent body 1133 receives an upward external force, the first elastic member 1135 located at the upper portion is compressed, and the first elastic member 1135 located at the lower portion is stretched, and when the external force is removed, the absorbent body 1133 returns to the original state.

It should be understood that the planes defined by the plurality of suction bodies 1133 in the initial state are parallel to the planes defined by the second axis 002 and the third axis 003, and the plurality of suction bodies 1133 can rotate relative to each other under the driving of the second adjustment unit 1143, so that the first elastic member 1135 bends to some extent, and when the external force is removed, the plurality of suction bodies 1133 can slide and reversely rotate under the elastic force of the first elastic member 1135 to return to the initial state. In order to ensure the arrangement tightness of the portions of the adjacent absorbers 1133 located outside the slideway 11422, optionally, each absorber 1133 is a strip, each absorber 1133 includes an absorbing portion 11331 and an installation portion 11332, each absorbing portion 11331 and each installation portion 11332 are rectangular strips, the installation portion 11332 is inserted into the sliding groove 1134, and the two first elastic members 1135 simultaneously abut against two sides of the installation portion 11332. The two sides of each adsorption part 11331 are provided with an arc-shaped groove and an arc-shaped protrusion which are matched with each other, and the adjacent adsorption bodies 1133 are rotatably matched through the arc-shaped grooves and the arc-shaped protrusions. In the second direction, the width of the suction portion 11331 is greater than the width of the mounting portion 11332, and thus, the assembly of the suction portion 11331 is not affected by the separation section between the adjacent slide grooves 1134.

Optionally, the second adjusting unit 1143 includes a third motor 11431, a second eccentric wheel 11432, a fourth motor 11433 and a third eccentric wheel 11434, the third motor 11431 and the fourth motor 11433 are connected to the base 1132, the second eccentric wheel 11432 is connected to the third motor 11431, the third eccentric wheel 11434 is connected to the fourth motor 11433, the second eccentric wheel 11432 and the third eccentric wheel 11434 are respectively located at two sides of the adsorbing body 1133 in the extending direction of the first axis 001, and the second eccentric wheel 11432 is located below the third eccentric wheel 11434; the second eccentric wheel 11432 is used for driving the plurality of absorbers 1133 to rotate to present a wave crest form corresponding to the conveying belt 1124, and the third eccentric wheel 11434 is used for driving the plurality of absorbers 1133 to rotate to present a wave trough form corresponding to the conveying belt 1124. It should be understood that when the second eccentric 11432 rotates and makes the plurality of suction bodies 1133 take the wave crest form, the third eccentric 11434 rotates synchronously without obstructing the movement of the plurality of suction bodies 1133, and similarly, when the third eccentric 11434 rotates and makes the plurality of suction bodies 1133 take the wave trough form, the second eccentric 11432 rotates synchronously without obstructing the movement of the plurality of suction bodies 1133. Further, an avoiding groove may be formed on both the second eccentric wheel 11432 and the third eccentric wheel 11434, and the second eccentric wheel 11432 and the third eccentric wheel 11434 may not affect each other due to the design of the avoiding groove.

In order to prevent the absorbing body 1133 from being released from the sliding groove 1134, a baffle 11435 is disposed on the third motor 11431 and the fourth motor 11433, and the baffle 11435 is disposed on a side of the absorbing body 1133 away from the base 1132, so that the base 1132 and the baffle 11435 cooperate to limit the movement of the absorbing body 1133 in the length direction thereof.

Further, the base 1132 is provided with a plurality of magnetic adsorption units 1131 evenly spaced in the circumferential direction thereof, for example, the base 1132 is a cube, the base 1132 has four sides disposed around the first axis 001, each side is an installation portion 11332, the number of the magnetic adsorption units 1131 is four, and the four magnetic adsorption units 1131 are respectively matched with the four installation portions 11332, and it should be understood that the number of the magnetic adsorption units 1131 may not be limited to four. Similarly, the number of the mounting portions 11332 is not limited to four, and the number of the mounting portions 11332 may be the same as the number of the magnetic attraction units 1131. The outer contour of a cross section of the substrate 1132 perpendicular to the first axis 001 is a regular polygon. Meanwhile, a fifth motor 1136 is disposed on the frame 111, and the fifth motor 1136 is connected to the substrate 1132, and can drive the substrate 1132 to rotate around the first axis 001.

Optionally, the adjusting mechanism 114 further includes a relay (not shown) and a position sensor, and the position sensor, the first motor 1121, the second motor 11411, the third motor 11431, the fourth motor 11433, and the fifth motor 1136 are all in communication with the relay. The position sensor includes a transmitting module 1145 and a plurality of receiving modules 1146, the transmitting module 1145 is disposed on the bendable clamp 11417; the plurality of receiving modules 1146 are respectively arranged on the plurality of magnetic adsorption units 1131, and the plurality of receiving modules 1146 are uniformly arranged at intervals in the circumferential direction of the base 1132; the fifth motor 1136 can cause the plurality of receiving modules 1146 to sequentially pass through the transmitting module 1145 when the driving substrate 1132 rotates around the first axis 001.

In the initial state, it is set that any one of the magnetic adsorption units 1131 is not located at a target position, the target position refers to a position of the receiving module 1146 and the transmitting module 1145 on the magnetic adsorption unit 1131, which are opposite to each other, in the extending direction of the first axis 001, and when the target position is located, the receiving module 1146 can receive the signal transmitted by the transmitting module 1145. The relay is used to control the fifth motor 1136 to drive the base 1132 to rotate, so that when a target unit in the plurality of magnetic adsorption units 1131 moves to a target position where the receiving module 1146 located on the target unit can receive a signal sent by the transmitting module 1145, the relay controls the fifth motor 1136 to be turned off and controls the first motor 1121, the second motor 11411, the third motor 11431 and the fourth motor 11433 to be turned off after the first set time. In the process that the first motor 1121, the second motor 11411, the third motor 11431 and the fourth motor 11433 operate for a first set time, the conveying belt 1124 rotates to convey the steel slag raw material, the first eccentric wheel 11415 rotates to drive the conveying belt 1124 to switch between the peak form and the valley form, meanwhile, the plurality of adsorbents 1133 located at the target position can also be driven by the second eccentric wheel 11432 and the third eccentric wheel 11434 to cooperate with the conveying belt 1124 to generate corresponding movement, that is, when the conveying belt 1124 is in the peak form, the plurality of adsorbents 1133 are in an upward arch form, when the conveying belt 1124 is in the valley form, the plurality of adsorbents 1133 are in a downward concave form, distances between the plurality of adsorbents 1133 and the conveying belt 1124 are basically consistent, and the adsorbents 1133 are favorable for adsorbing iron materials located on the conveying belt 1124. Within a first set time, the conveyor 1124 may alternate between peaks and troughs at least once, with adjustments as needed. The relay controls the fifth motor 1136 to operate for a second set time while the first motor 1121, the second motor 11411, the third motor 11431 and the fourth motor 11433 are turned off after operating for the first set time; it is set that the target unit is located at a first position, the magnetic adsorption unit 1131 adjacent to the target unit and about to move to the first position by the driving of the fifth motor 1136 is located at a second position, and the second set time is equal to the time required for the magnetic adsorption unit 1131 at the second position to move to the first position. That is, after the target unit operates for the first set time, it is necessary to rotate the base 1132 to move the new magnetic adsorption unit 1131 to the first position, thereby improving the adsorption efficiency. The operation time of the fifth motor 1136 is just equal to the time required by the two adjacent magnetic adsorption units 1131 to switch positions, so that the whole operation process is stable and reliable. Or, the second set time for the operation of the fifth motor 1136 may not be set, and after the fifth motor 1136 drives the magnetic adsorption unit 1131 to move from the second position to the first position, the receiving module 1146 receives the signal sent by the transmitting module 1145, and the relay controls the fifth motor 1136 to be turned off, and controls the first motor 1121, the second motor 11411, the third motor 11431, and the fourth motor 11433 to be turned off after the first set time. And, after the first motor 1121, the second motor 11411, the third motor 11431 and the fourth motor 11433 operate for the first set time, the operation may be turned off and the operation of the fifth motor 1136 may be controlled.

In this embodiment, optionally, the number of the absorbers 1133 of each magnetic adsorption unit 1131 is a base number, and the receiving module 1146 is disposed on the middle absorber 1133 of the plurality of absorbers 1133, so as to facilitate the arrangement of the receiving module 1146 and facilitate the mutual matching of the plurality of absorbers 1133.

In this embodiment, optionally, the absorber 1133 is configured as an electromagnet, the base 1132 is provided with a power supply (not shown) and a plurality of control buttons 901 that are all connected to the power supply, the plurality of control buttons 901 are respectively electrically connected to the plurality of magnetic adsorption units 1131, and the control buttons 901 are configured as normally closed switches; the rack 111 is provided with a touch rod 902, the control buttons 901 can sequentially pass through the touch rod 902 in the process of rotating along with the base 1132, and the touch rod 902 is used for abutting against one of the control buttons 901 to close the normally closed switch, so that the electromagnet loses power and loses magnetism. When the magnetic adsorption unit 1131 rotates to a position away from the power transmission belt, the control button 901 on the magnetic adsorption unit 1131 can abut against the touch rod 902, so that the normally closed switch is in a power-off state under the driving of the touch rod 902, at the moment, the magnetic adsorption unit 1131 is powered off, the ferrous material on the adsorption body 1133 is separated from the adsorption body 1133, the collection is convenient, the adsorption body 1133 can be recycled, the operation of stopping the machine is not needed when the adsorption body 1133 is cleaned, and the efficiency is high.

It should be understood that when the target unit performs the suction operation, the control button 901 of one of the other magnetic suction units 1131 abuts against the touch bar 902, and the cleaning operation can be performed within the first set time, so that the cleaning effect is good.

Alternatively, the touch lever 902 is rotatably connected to the housing 111 about an axis parallel to the first axis 001, and the touch lever 902 and the housing 111 are connected to a second elastic member 903, and the second elastic member 903 is used to make the touch lever 902 have a tendency to rotate closer to the control button 901. The second elastic member 903 is provided as a spring, a resilient sheet, a rubber member, or the like. By the design, the touch rod 902 can be automatically separated from the control button 901, and the automation degree of the operation of the whole device is high.

It should be understood that, in order to avoid the touch rod 902 from interfering with the suction body 1133 when the suction body 1133 rotates, the control button 901 and the touch rod 902 are partially disposed below or above the suction body 1133 in the extending direction of the first axis 001.

preparing steel slag powder, gypsum powder and slag powder by respectively using a steel slag preparation production line 100, a gypsum preparation production line 300 and a slag preparation production line 500;

stirring and mixing the steel slag powder, the gypsum powder and the slag powder by using a mixing production line 700 to obtain a cementing material; wherein the cementing material comprises the following components in percentage by weight: 15-30% of steel slag powder, 50-77% of slag powder and 8-20% of gypsum powder.

Optionally, the steel slag is waste slag discharged from a steel-making furnace, the mass percentage of free calcium oxide in the steel slag is less than or equal to 4%, and the mass percentage of chloride ions in the steel slag is less than or equal to 0.06%.

The slag powder comprises the following components in percentage by weight: 0-100% of slag, 0-100% of silicomanganese slag and 0-50% of slag; wherein the slag is water-quenched blast furnace slag, the silicomanganese slag is silicomanganese slag generated in the production process of smelting silicomanganese alloy, and the slag is slag of a circulating fluidized bed boiler;

the gypsum powder is one or two of desulfurized gypsum, phosphogypsum and fluorgypsum, the mass percentage content of chloride ions of the gypsum powder is less than or equal to 0.5 percent, and both the internal irradiation index and the external irradiation index are less than or equal to 1.0.

According to the preparation method provided by the embodiment, the obtained cementing material can be used for preparing concrete instead of cement.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A low-carbon cementing material preparation system is characterized by comprising:

the gypsum preparation production line comprises a dryer;

the mixing production line comprises a third pipe mill, a mixing bin and a mixing and stirring bin which are sequentially connected, the dryer and the first intermediate bin are both connected with the third pipe mill, and the third intermediate bin is connected with the mixing and stirring bin;

the suspension type iron remover comprises a rack, a conveying mechanism, an iron removing mechanism and an adjusting mechanism;

the conveying mechanism comprises a first motor, a driving roller, a driven roller and a conveying belt, the first motor is arranged on the rack, the driving roller and the driven roller are both rotatably connected with the rack, the driving roller is mounted on an output shaft of the first motor, the conveying belt is simultaneously tensioned outside the driving roller and the driven roller, and the conveying belt is used for conveying the steel slag raw material towards the first magnetic roller iron remover;

the iron removing mechanism comprises a base body and a magnetic adsorption unit for adsorbing iron materials in steel slag raw materials on the conveying belt, the magnetic adsorption unit comprises a plurality of adsorption bodies, the adsorption bodies are connected with the base body on a first axis in a sliding mode, the adsorption bodies are distributed on a second axis, two adjacent adsorption bodies are connected with each other in a rotating mode around a third axis, the first axis, the second axis and the third axis are perpendicular to each other in pairs, and the axes of the driving roller and the driven roller are parallel to the third axis;

the adjusting mechanism comprises a first adjusting unit and a second adjusting unit, the first adjusting unit and the second adjusting unit are both arranged on the rack, the first adjusting unit is abutted against the conveying belt and can drive the conveying belt to reciprocate in the extending direction of the first axis, so that the fluctuation form of the conveying belt is adjusted; the second adjusting unit is used for adjusting the arrangement form of a plurality of absorbers of the same magnetic adsorption unit so as to adapt to the fluctuation form of the conveying belt;

the first adjusting unit comprises a second motor, a force transmission assembly, a guide sleeve and a guide rod, and the second motor is connected with the rack; the force transmission assembly comprises a first eccentric wheel, an adjusting slide block and a bendable clamping piece, wherein an annular suspension groove extending in the circumferential direction of the first eccentric wheel is formed in the wheel surface of the first eccentric wheel, an annular limiting convex part extending in the circumferential direction of the first eccentric wheel is arranged on the groove wall of the annular suspension groove, and the first eccentric wheel is connected with an output shaft of the second motor; one end of the adjusting slide block is fixedly connected with the bendable clamping piece, the other end of the adjusting slide block is rotatably connected with the annular suspension groove, and the adjusting slide block is simultaneously abutted against the groove bottom wall of the annular suspension groove and the annular limiting convex part so as to prevent the adjusting slide block from being separated from the annular suspension groove from the notch of the annular suspension groove; the flexible clamping piece is provided with a slide way, and the edge of the conveying belt is arranged in the slide way and is connected with the slide way in a sliding way; the guide sleeve is connected with the rack, one end of the guide rod is inserted into the guide sleeve and is matched with the guide sleeve in a sliding manner on the first axis, and the other end of the guide rod is fixedly connected with the bendable clamping piece;

the second motor is used for driving the first eccentric wheel to rotate, so that the adjusting slide block and the bendable clamping piece drive the part of the conveying belt to alternately form wave crests and wave troughs;

the base body is provided with an installation part, the installation part is provided with a plurality of sliding grooves, the sliding grooves are arranged on the second axis at intervals, each sliding groove extends on the third axis, a first elastic part is arranged in each sliding groove, the adsorbing bodies are respectively inserted into the sliding grooves, each adsorbing body is connected with the corresponding first elastic part, and the first elastic parts are used for supporting the adsorbing bodies and enabling the adsorbing bodies to be located in a plane jointly determined by the second axis and the first axis; the adsorption body is provided with an electromagnet;

the second adjusting unit comprises a third motor, a second eccentric wheel, a fourth motor and a third eccentric wheel, the third motor and the fourth motor are both connected with the base body, the second eccentric wheel is connected with the third motor, the third eccentric wheel is connected with the fourth motor, the second eccentric wheel and the third eccentric wheel are respectively positioned on two sides of the adsorption body in the extending direction of the first axis, and the second eccentric wheel is positioned below the third eccentric wheel; the second eccentric wheel is used for driving the plurality of adsorbents to rotate so as to be in a wave crest form corresponding to the conveying belt, and the third eccentric wheel is used for driving the plurality of adsorbents to rotate so as to be in a wave trough form corresponding to the conveying belt.

2. The low-carbon cementitious material preparation system of claim 1, wherein:

the second motor is a double-shaft motor, the two force transmission assemblies are arranged, the two force transmission assemblies respectively correspond to the two output shafts of the double-shaft motor one by one, and the two first eccentric wheels of the two force transmission assemblies are respectively arranged on the two output shafts of the double-shaft motor; two flexible clamping pieces of the two force transmission assemblies are respectively positioned on two sides of the conveying belt in the width direction and are arranged in a centrosymmetric mode.

3. The low-carbon cementitious material preparation system of claim 1, wherein:

the adjusting mechanism further comprises a relay and a position sensor, and the position sensor, the first motor, the second motor, the third motor and the fourth motor are all in communication connection with the relay; the position sensor comprises a transmitting module and a plurality of receiving modules, and the transmitting module is arranged on the bendable clamping piece; the base body is provided with a plurality of magnetic adsorption units which are uniformly distributed at intervals in the circumferential direction, the plurality of receiving modules are respectively arranged on the plurality of magnetic adsorption units, and the plurality of receiving modules are uniformly distributed at intervals in the circumferential direction of the base body; the frame is provided with a fifth motor which is in communication connection with the relay, the fifth motor is connected with the base body and is used for driving the base body to rotate around an axis parallel to the first axis so as to enable the receiving modules to sequentially pass through the transmitting module;

when a target unit in the plurality of magnetic adsorption units moves to a position where a receiving module positioned on the target unit can receive a signal sent by the transmitting module, the relay controls the fifth motor to be turned off and controls the first motor, the second motor, the third motor and the fourth motor to be turned off after running for a first set time; the relay controls the fifth motor to operate for a second set time while the first motor, the second motor, the third motor and the fourth motor are turned off; setting that the target unit is located at a first position, and the magnetic adsorption unit adjacent to the target unit and about to move to the first position under the driving of the fifth motor is located at a second position, wherein the second set time is equal to the time required for the magnetic adsorption unit at the second position to move to the first position.

4. The low-carbon cementitious material preparation system of claim 3, wherein:

the base body is provided with a power supply and a plurality of control buttons which are connected with the power supply, the control buttons are respectively and electrically connected with the magnetic adsorption units, and the control buttons are set to be normally closed switches; the rack is provided with a touch rod, the control buttons can sequentially pass through the touch rod in the process of rotating along with the base body, and the touch rod is used for abutting against one of the control buttons to close the normally closed switch so as to enable the electromagnet to lose magnetism when power is lost;

the touch pole with the frame around with the axis that first axis is parallel rotationally connects, the touch pole with the frame is connected with the second elastic component simultaneously, the second elastic component is used for making the touch pole has and is close to control button pivoted trend.

5. A method for preparing a low-carbon cement, which is applicable to the low-carbon cement preparation system of any one of claims 1 to 4, and comprises the following steps:

6. The preparation method of the low-carbon cementing material according to claim 5, characterized in that:

the steel slag is waste slag discharged from a steel-making furnace, the mass percentage of free calcium oxide in the steel slag is less than or equal to 4 percent, and the mass percentage of chloride ions in the steel slag is less than or equal to 0.06 percent.

7. The method for preparing the low-carbon cementing material of claim 5, wherein the method comprises the following steps:

the slag powder comprises the following components in percentage by weight: 0-100% of slag, 0-100% of silicomanganese slag and 0-50% of slag; the slag is water-quenched blast furnace slag, the silicomanganese slag is silicomanganese slag generated in a production process of smelting silicomanganese alloy, and the slag is slag of a circulating fluidized bed boiler;

the gypsum powder is one or two of desulfurized gypsum and phosphogypsum, the mass percentage content of chloride ions of the gypsum powder is less than or equal to 0.5%, and both the internal irradiation index and the external irradiation index are less than or equal to 1.0.