Solid waste-based cementitious material concrete production device and production method thereof

Abstract

The application discloses a kind of solid waste-based cementitious material concrete production device and production method thereof, belong to concrete production technical field, by the first screen hole, second screen hole and third screen hole on sieve plate, can be classified screening to aggregate, different particle size aggregate can respectively fall into three collection bins in collection box, when concrete is proportioned, open the weighing bin of the corresponding three collection bin positions at the bottom of collection box, so that the weighing bin can weigh different particle size aggregate, open the material valve at the bottom of weighing bin after weighing, so that aggregate is concentrated in turnover box, driven gear is rotated by fixed shaft with multiple stirring rods, so that the stirring rod mixes and processes aggregate, realizes the purpose of aggregate premixing, so it can be according to the particle size of aggregate classification screening to concrete quantitative proportioning, improve the density of aggregate and overall concrete, prevent the formation of internal pore defects, greatly improve the durability of concrete.

Description

Technical Field

[0001] This invention belongs to the field of concrete production technology, specifically a solid waste-based cementitious concrete production device and its production method. Background Technology

[0002] For the cement and concrete industry, it is particularly important to transform industrial wastes such as steel slag, blast furnace slag, and fly ash into qualified products. Harmless disposal and resource utilization are responsibilities that the concrete industry should bear. Solid waste-based cementitious materials, as admixtures, can replace cement, a high-carbon product, to a certain extent, by percentage or even 100%. Therefore, research on concrete based on solid waste-based cementitious materials has opened up a brand-new low-carbon path.

[0003] Currently, aggregate screening is typically required in concrete production. However, due to the difficulty in quantitatively adding aggregates, excessive aggregate accumulation at the screening inlet can easily occur. During screening, aggregate buildup can lead to blockage of the screen by large-diameter particles, reducing filtration efficiency. Furthermore, the screening structure is susceptible to deformation due to significant impacts, further affecting screening performance. Consequently, existing concrete batching designs are rather crude, often resulting in large aggregate buildup in the production tank without optimizing raw material composition and structure. This makes it difficult to proportion concrete according to the particle size determined by aggregate grading and screening, affecting the density of aggregates and the overall concrete, and easily leading to defects such as internal pores, thus reducing concrete durability. Summary of the Invention

[0004] To overcome the above-mentioned defects, the present invention provides a solid waste-based cementitious concrete production device and production method, which solves the problems mentioned in the background art.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a solid waste-based cementitious concrete production device, comprising a tank, a turnover box installed on the tank, a fixed frame connected to the top of the turnover box, a material equalization component snapped onto the top of the fixed frame, a vertical plate provided below the material equalization component, the vertical plate fixed to both sides inside the fixed frame, screening components respectively provided on both sides of the vertical plate, a rotating component connected to the side of each of the two screening components that are close to each other, the rotating component located on the vertical plate, the two ends of the rotating component respectively fixed to both sides of the inner wall of the fixed frame, a connecting shaft provided between the two screening components, the top end of the connecting shaft installed at the bottom of the vertical plate through a bushing, a cam snapped onto the outside of the connecting shaft, a mixing component fixedly connected to the bottom end of the connecting shaft, the mixing component installed on the turnover box, collection components respectively connected to both sides of the top of the turnover box, the collection components installed on the inner wall of the fixed frame, and dust suction hoods snapped onto both sides of the fixed frame.

[0006] As a further aspect of the present invention: the material equalization assembly includes a hopper, the hopper is snapped onto a fixed frame, a guide roller is provided at the bottom of the hopper, four material grooves are provided on the outside of the guide roller, the included angle between two adjacent material grooves is 90 degrees, and one end of the guide roller passes through the hopper and is connected to a motor, the motor being fixed on the hopper.

[0007] As a further aspect of the present invention: the screening component includes a sieve plate, the sieve plate having primary sieve holes, secondary sieve holes and tertiary sieve holes, the apertures of the primary sieve holes, secondary sieve holes and tertiary sieve holes increasing progressively.

[0008] As a further embodiment of the present invention: the sieve plate is inclinedly disposed on the vertical plate, and a striking plate is fixed on the bottom side of the sieve plate near the vertical plate, and the cam is located between the two striking plates.

[0009] As a further aspect of the present invention: three elastic elements are fixed on the side of the sieve plate away from the vertical plate, and all three elastic elements are disposed on the collecting assembly, specifically the elastic elements being support springs.

[0010] As a further aspect of the present invention: the rotating assembly includes two bearings, which are respectively snapped into the two sides of the fixed frame. The two bearings are provided with the same rotating shaft. One side of the rotating shaft is fixed to the screening assembly. Two coil springs are sleeved on the rotating shaft. The two ends of the coil springs are respectively fixedly connected to the opposite ends of the bearings and the rotating shaft.

[0011] As a further aspect of the present invention: the mixing component includes a second motor, a fixing block is provided outside the second motor, the fixing block is fixed to the top of the turnover box, a driving gear is fixed on the output shaft of the second motor, a driven gear meshes on the driving gear, and the top of the driven gear is fixedly connected to the bottom end of the connecting shaft.

[0012] As a further embodiment of the present invention: a fixed shaft is fixed to the bottom of the driven gear, the fixed shaft passes through the top of the turnover box, a plurality of stirring rods are provided outside the fixed shaft, and a spiral rod is fixed to the bottom of the fixed shaft.

[0013] As a further aspect of the present invention: the collection component includes a collection box located below the screening component. The collection box is provided with two partitions, which divide the interior of the collection box into three collection compartments. Weighing compartments are provided at the bottom of the collection box corresponding to the positions of the three collection compartments. The bottom of the weighing compartments is connected to a turnover box through a material valve.

[0014] A method for producing solid waste-based cementitious concrete includes the following steps:

[0015] S1. When using, add solid waste-based cementitious material as an admixture to the aggregate and place it in the hopper together. The aggregate mixed with solid waste-based cementitious material can fill the hopper under the action of gravity. Start motor one, which can drive the guide roller to rotate. During the rotation of the guide roller, the aggregate can be transferred out of the hopper, so that the aggregate comes into contact with the vertical plate.

[0016] S2. The aggregate can slide down the vertical plate onto the screen plates on both sides. At this time, the second motor works and drives the driven gear to rotate through the active gear. The driven gear drives the connecting shaft and cam to rotate. During the rotation, the cam can hit the striking plate. The striking plate transmits the vibration to the screen plate, allowing the aggregate to slide down slowly on the inclined screen plate. Since the screen plate is equipped with primary, secondary and tertiary screen holes, and the aperture of the primary, secondary and tertiary screen holes increases progressively, the aggregate can be graded and screened. Aggregates of different particle sizes can fall into the three collection bins in the collection box respectively, realizing the purpose of sorting and storing aggregates.

[0017] S3. During the continuous rotation of the cam and the striking plate, the striking plate and the screen plate will drive the rotating shaft to deflect slightly within the two bearings. When the cam disengages from the striking plate, the striking plate can quickly return to its original position through the action of the coil spring. The elastic element provides damping support to the other side of the screen plate, allowing the screen plate to vibrate continuously and shake out the aggregate in the first-stage, second-stage, and third-stage screen holes. While the aggregate slides down, it can prevent the screen plate from clogging.

[0018] S4. When mixing concrete, open the weighing bins at the bottom of the collection box corresponding to the three collection bins, so that the weighing bins can weigh aggregates of different particle sizes. After weighing, open the material valve at the bottom of the weighing bins, so that the aggregates are concentrated in the turnover box. The driven gear drives multiple mixing rods to rotate through the fixed shaft, so that the mixing rods mix the aggregates and achieve the purpose of premixing the aggregates. As the fixed shaft drives the screw rod to rotate, the screw rod conveys the aggregates upward, so that the aggregates do not fall directly into the tank.

[0019] S5. When the premixing of aggregates is completed, control motor 2 to rotate in the opposite direction. At this time, the fixed shaft drives the screw rod to rotate in the opposite direction. During the rotation, the screw rod can evenly transport the premixed aggregates into the tank. The tank then processes the aggregates, thus completing the production of solid waste-based cementitious concrete.

[0020] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0021] In this invention, a cam strikes a striking plate during rotation, transmitting vibrations to a screen plate. This causes the aggregate to slide slowly down the inclined screen plate. The screen plate has primary, secondary, and tertiary sieve holes, with progressively larger apertures, enabling graded screening of the aggregate. Aggregates of different sizes fall into three collection bins within the collection box, achieving the purpose of sorting and storing the aggregates. When mixing concrete, the weighing bins at the bottom of the collection box, corresponding to the three collection bins, are opened to weigh the aggregates of different sizes. After weighing, the material valve at the bottom of the weighing bin is opened, concentrating the aggregates in the transfer box. The driven gear drives multiple mixing rods to rotate via a fixed shaft, mixing the aggregates and achieving premixing. Therefore, concrete can be quantitatively proportioned according to the particle size of the graded aggregates, improving the density of the aggregates and the overall concrete, preventing internal pore defects, and significantly improving the durability of the concrete.

[0022] In this invention, solid waste-based cementitious material is added as an admixture to the aggregate and placed in the hopper. The aggregate mixed with solid waste-based cementitious material fills the hopper under gravity. When motor one is started, it drives the guide roller to rotate. During the rotation of the guide roller, the aggregate is transferred out of the hopper, thus achieving the purpose of quantitative feeding. The aggregate that needs to be screened is quantitatively conveyed, avoiding the problem of feeding too much aggregate onto the screening component at one time, which would make it difficult to screen the aggregate in time. It also prevents the aggregate from directly hitting the screening component and causing deformation of the screening component, thereby improving the subsequent screening effect.

[0023] In this invention, as the cam continuously rotates and strikes the striking plate, the striking plate and the screen plate cause the rotating shaft to deflect slightly within two bearings. When the cam disengages from the striking plate, the striking plate can quickly return to its original position through the force of the coil spring. This, combined with the elastic element, provides damping support to the other side of the screen plate, allowing the screen plate to vibrate continuously and shake out the aggregate from the primary, secondary, and tertiary screen holes. As the aggregate slides down, the screen plate is prevented from becoming clogged. When the premixing of the aggregate is completed, the fixed shaft drives the screw rod to rotate in the opposite direction. During the rotation of the screw rod, the premixed aggregate is evenly transported into the tank, preventing the aggregate from clogging at the outlet at the bottom of the transfer box and improving the feeding stability. Attached Figure Description

[0024] Figure 1 This is a three-dimensional structural schematic diagram of the present invention;

[0025] Figure 2 This is a schematic diagram of the connection between the turnover box and the collection component of the present invention;

[0026] Figure 3This is a schematic diagram of the cross-sectional structure of the material homogenizing component of the present invention;

[0027] Figure 4 This is a schematic diagram of the structure of the hybrid component of the present invention;

[0028] Figure 5 This is a schematic diagram of the structure in this invention where the screening component and the collection component are separated;

[0029] Figure 6 This is a schematic diagram of the structure of the screening component of the present invention;

[0030] Figure 7 This is a schematic diagram of the structure of the rotating component of the present invention;

[0031] In the diagram: 1. Tank; 2. Turnover box; 3. Fixing frame; 4. Material distribution assembly; 401. Hopper; 402. Guide roller; 403. Material trough; 404. Motor 1; 5. Vertical plate; 6. Screening assembly; 601. Screen plate; 602. Primary screen aperture; 603. Secondary screen aperture; 604. Tertiary screen aperture; 605. Striking plate; 7. Rotating assembly; 701. Bearing; 702. Coil spring; 703. Rotating shaft; 8. Connecting shaft; 9. Cam; 10. Mixing assembly; 101. Motor 2; 102. Fixing block; 103. Drive gear; 104. Driven gear; 105. Fixing shaft; 106. Screw rod; 107. Stirring rod; 11. Collection assembly; 111. Collection box; 112. Divider plate; 113. Weighing bin; 12. Dust hood; 13. Elastic component. Detailed Implementation

[0032] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0033] Please see Figure 1-7 This invention provides a technical solution for a solid waste-based cementitious concrete production device and its production method: Example

[0034] according to Figure 1-7As shown, a solid waste-based cementitious concrete production device includes a tank 1, a turnover box 2 installed on the tank 1, a fixing frame 3 connected to the top of the turnover box 2, and a material distribution component 4 snapped onto the top of the fixing frame 3. The material distribution component 4 includes a hopper 401, which is snapped onto the fixing frame 3. A guide roller 402 is provided at the bottom of the hopper 401, and four material troughs 403 are provided on the outside of the guide roller 402. The included angle between two adjacent material troughs 403 is 90 degrees, and one end of the guide roller 402 passes through the hopper 401. A motor 404 is connected and fixed on the hopper 401. The aggregate mixed with solid waste-based cementitious material can fill the material trough 403 under the action of gravity. During the rotation of the guide roller 402, the aggregate can be transferred out of the hopper 401, thus achieving the purpose of quantitative feeding. The aggregate that needs to be screened is quantitatively conveyed, avoiding the problem of feeding too much aggregate to the screening component 6 at one time, which would make it difficult to screen the aggregate in time, and preventing the aggregate from directly hitting the screening component 6 and causing the screening component 6 to deform.

[0035] Below the material equalization component 4 is a vertical plate 5, which is fixed on both sides of the fixing frame 3. Screening components 6 are respectively provided on both sides of the vertical plate 5. The screening components 6 include a screen plate 601, which has a primary screen hole 602, a secondary screen hole 603 and a tertiary screen hole 604. The aperture of the primary screen hole 602, the secondary screen hole 603 and the tertiary screen hole 604 increases progressively, which can classify and screen the aggregate. Aggregates of different particle sizes can fall into the three collection bins in the collection box 111 respectively, so as to achieve the purpose of sorting and storing aggregates.

[0036] The sieve plate 601 is inclinedly mounted on the vertical plate 5. A striking plate 605 is fixed to the bottom of the sieve plate 601 near the vertical plate 5, and the cam 9 is located between the two striking plates 605.

[0037] Three elastic elements 13 are fixed on the side of the sieve plate 601 away from the vertical plate 5. All three elastic elements 13 are set on the collection assembly 11. Specifically, the elastic elements 13 are support springs.

[0038] Two screening components 6 are connected to rotating components 7 on their adjacent sides. Each rotating component 7 includes two bearings 701, which are respectively snapped into the two sides of the fixed frame 3. The two bearings 701 are equipped with the same rotating shaft 703. One side of the rotating shaft 703 is fixed to the screening component 6. Two coil springs 702 are sleeved on the rotating shaft 703. The two ends of the coil springs 702 are respectively fixedly connected to the opposite ends of the bearings 701 and the rotating shaft 703. When the cam 9 disengages from the striking plate 605, the striking plate 605 can quickly return to its original position through the force of the coil springs 702. The elastic element 13 provides damping support to the other side of the screen plate 601, allowing the screen plate 601 to vibrate continuously and shake out the aggregate in the first-stage screen hole 602, the second-stage screen hole 603, and the third-stage screen hole 604. While the aggregate slides down, the screen plate 601 is prevented from becoming clogged.

[0039] The rotating component 7 is located on the upright plate 5. Both ends of the rotating component 7 are fixed to the two sides of the inner wall of the fixed frame 3 respectively. A connecting shaft 8 is provided between the two screening components 6. The top end of the connecting shaft 8 is installed at the bottom of the upright plate 5 through a bushing. A cam 9 is snapped onto the outside of the connecting shaft 8. A mixing component 10 is fixedly connected to the bottom end of the connecting shaft 8. The mixing component 10 includes a second motor 101. A fixing block 102 is provided outside the second motor 101. The fixing block 102 is fixed to the top of the turnover box 2. A drive gear 103 is fixed on the output shaft of the second motor 101. A driven gear 104 meshes with the drive gear 103. The top of the driven gear 104 is fixedly connected to the bottom end of the connecting shaft 8.

[0040] A fixed shaft 105 is fixed to the bottom of the driven gear 104. The fixed shaft 105 passes through the top of the turnover box 2. Several stirring rods 107 are provided outside the fixed shaft 105. A screw rod 106 is fixed to the bottom of the fixed shaft 105. Because of the stirring rods 107, the fixed shaft 105 drives the multiple stirring rods 107 to rotate, so that the stirring rods 107 mix the aggregate and achieve the purpose of premixing the aggregate. Because of the screw rod 106, the fixed shaft 105 drives the screw rod 106 to rotate in the opposite direction. During the rotation, the screw rod 106 can evenly transport the premixed aggregate into the tank 1, preventing the aggregate from clogging at the outlet at the bottom of the turnover box 2 and improving the feeding stability.

[0041] The mixing component 10 is installed on the turnover box 2. The top two sides of the turnover box 2 are respectively connected to the collection component 11. The collection component 11 is installed on the inner wall of the fixing frame 3. The two sides of the fixing frame 3 are respectively snapped with the dust suction hood 12. The collection component 11 includes a collection box 111. The collection box 111 is located below the screening component 6. The collection box 111 is provided with two partition plates 112, and the two partition plates 112 divide the inside of the collection box 111 into three collection chambers. The bottom of the collection box 111 is provided with a weighing chamber 113 corresponding to the three collection chambers. The bottom of the weighing chamber 113 is connected to the turnover box 2 through a material valve. When mixing concrete, the weighing chamber 113 corresponding to the three collection chambers at the bottom of the collection box 111 is opened, so that the weighing chamber 113 can weigh aggregates of different particle sizes, which is convenient for quantitative mixing of aggregates. Example

[0042] A method for producing solid waste-based cementitious concrete includes the following steps:

[0043] S1. When in use, solid waste-based cementitious material is added to the aggregate as an admixture and placed in the hopper 401. The aggregate mixed with solid waste-based cementitious material can fill the trough 403 under the action of gravity. Start motor 404. Motor 404 can drive the guide roller 402 to rotate. During the rotation of the guide roller 402, the aggregate can be transferred out of the hopper 401, so that the aggregate comes into contact with the vertical plate 5.

[0044] S2. The aggregate can slide down from the vertical plate 5 onto the screen plates 601 on both sides. The motor 101 works at this time and drives the driven gear 104 to rotate through the drive gear 103. The driven gear 104 drives the connecting shaft 8 and the cam 9 to rotate. During the rotation, the cam 9 can strike the striking plate 605. The striking plate 605 transmits the vibration to the screen plate 601, allowing the aggregate to slide down slowly on the inclined screen plate 601. Since the screen plate 601 is provided with a primary screen hole 602, a secondary screen hole 603 and a tertiary screen hole 604, and the aperture of the primary screen hole 602, the secondary screen hole 603 and the tertiary screen hole 604 increases progressively, the aggregate can be graded and screened. Aggregates of different particle sizes can fall into the three collection bins in the collection box 111 respectively, realizing the purpose of sorting and storing aggregates.

[0045] S3. During the continuous rotation of cam 9 and the striking plate 605, the striking plate 605 and the screen plate 601 will drive the rotating shaft 703 to deflect slightly within the two bearings 701. When cam 9 disengages from the striking plate 605, the striking plate 605 can quickly return to its original position through the force of the coil spring 702. The elastic element 13 provides damping support to the other side of the screen plate 601, so that the screen plate 601 can continuously vibrate and shake out the aggregate in the first-stage screen hole 602, the second-stage screen hole 603 and the third-stage screen hole 604. While the aggregate slides down, it can prevent the screen plate 601 from becoming blocked.

[0046] S4. When mixing concrete, open the weighing bins 113 at the bottom of the collection box 111 corresponding to the three collection bins, so that the weighing bins 113 can weigh aggregates of different particle sizes. After weighing, open the material valve at the bottom of the weighing bins 113, so that the aggregates are concentrated in the turnover box 2. The driven gear 104 drives multiple mixing rods 107 to rotate through the fixed shaft 105, so that the mixing rods 107 mix the aggregates and achieve the purpose of premixing the aggregates. During the rotation of the fixed shaft 105 and the screw rod 106, the screw rod 106 conveys the aggregates upward, so that the aggregates do not fall directly into the tank 1.

[0047] S5. When the premixing of aggregates is completed, control motor 101 to rotate in the reverse direction. At this time, fixed shaft 105 drives screw rod 106 to rotate in the reverse direction. During the rotation, screw rod 106 can evenly transport the premixed aggregates into tank 1. Tank 1 then processes the aggregates, thus completing the production of solid waste-based cementitious concrete.

[0048] In the description of this invention, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "axial," "radial," and "circumferential" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this invention.

[0049] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this invention, "a plurality of" means two or more, unless otherwise explicitly specified.

[0050] In this invention, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection, an electrical connection, or a communication connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances.

[0051] In this invention, unless otherwise expressly specified and limited, the first feature "on" or "below" the second feature may be in direct contact with the first and second features, or indirect contact through an intermediate medium. In the description of this specification, references to terms such as "an embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the invention. In this specification, illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

Claims

1. A solid waste-based cementitious concrete production device, comprising a tank (1), characterized in that: A turnover box (2) is installed on the tank (1). A fixing frame (3) is connected to the top of the turnover box (2). A material leveling component (4) is snapped onto the top of the fixing frame (3). A vertical plate (5) is provided below the material leveling component (4). The vertical plate (5) is fixed on both sides inside the fixing frame (3). Screening components (6) are provided on both sides of the vertical plate (5). A rotating component (7) is connected to the side of the two screening components (6) that are close to each other. The rotating component (7) is located on the vertical plate (5). The two ends of the rotating component (7) are respectively connected to the inside of the fixing frame (3). The two sides of the wall are fixed together, and a connecting shaft (8) is provided between the two screening components (6). The top of the connecting shaft (8) is installed at the bottom of the upright plate (5) through a bushing. A cam (9) is snapped onto the outside of the connecting shaft (8). A mixing component (10) is fixedly connected to the bottom of the connecting shaft (8). The mixing component (10) is installed on the turnover box (2). A collection component (11) is connected to both sides of the top of the turnover box (2). The collection component (11) is installed on the inner wall of the fixed frame (3). A dust suction hood (12) is snapped onto both sides of the fixed frame (3).

2. The solid waste-based cementitious concrete production device according to claim 1, characterized in that: The material equalization component (4) includes a hopper (401), which is snapped onto a fixed frame (3). A guide roller (402) is provided at the bottom of the hopper (401), and four material grooves (403) are provided on the outside of the guide roller (402). The included angle between two adjacent material grooves (403) is 90 degrees. One end of the guide roller (402) passes through the hopper (401) and is connected to a motor (404). The motor (404) is fixed on the hopper (401).

3. The solid waste-based cementitious concrete production device according to claim 1, characterized in that: The screening component (6) includes a sieve plate (601), on which a primary sieve hole (602), a secondary sieve hole (603) and a tertiary sieve hole (604) are provided, and the aperture of the primary sieve hole (602), the secondary sieve hole (603) and the tertiary sieve hole (604) increases progressively.

4. The solid waste-based cementitious concrete production device according to claim 3, characterized in that: The sieve plate (601) is inclinedly arranged on the vertical plate (5), and a striking plate (605) is fixed on the bottom of the sieve plate (601) near the side of the vertical plate (5). The cam (9) is located between the two striking plates (605).

5. A solid waste-based cementitious concrete production device according to claim 4, characterized in that: Three elastic elements (13) are fixed on the side of the sieve plate (601) away from the vertical plate (5). All three elastic elements (13) are set on the collection assembly (11). Specifically, the elastic elements (13) are support springs.

6. The solid waste-based cementitious concrete production device according to claim 1, characterized in that: The rotating assembly (7) includes two bearings (701), which are respectively snapped into the two sides of the fixed frame (3). The two bearings (701) are provided with the same rotating shaft (703). One side of the rotating shaft (703) is fixed to the screening assembly (6). Two coil springs (702) are sleeved on the rotating shaft (703). The two ends of the coil springs (702) are respectively fixedly connected to the opposite ends of the bearings (701) and the rotating shaft (703).

7. The solid waste-based cementitious concrete production device according to claim 1, characterized in that: The mixing component (10) includes a second motor (101), and a fixing block (102) is provided outside the second motor (101). The fixing block (102) is fixed to the top of the turnover box (2). A drive gear (103) is fixed on the output shaft of the second motor (101). A driven gear (104) meshes on the drive gear (103). The top of the driven gear (104) is fixedly connected to the bottom end of the connecting shaft (8).

8. The solid waste-based cementitious concrete production device according to claim 7, characterized in that: The driven gear (104) has a fixed shaft (105) fixed at its bottom. The fixed shaft (105) passes through the top of the turnover box (2). Several stirring rods (107) are provided outside the fixed shaft (105). A spiral rod (106) is fixed at the bottom of the fixed shaft (105).

9. A solid waste-based cementitious concrete production device according to claim 1, characterized in that: The collection component (11) includes a collection box (111), which is located below the screening component (6). The collection box (111) is provided with two partitions (112), which divide the inside of the collection box (111) into three collection compartments. The bottom of the collection box (111) is provided with a weighing compartment (113) corresponding to the three collection compartments. The bottom of the weighing compartment (113) is connected to the turnover box (2) through a material valve.

10. A method for producing solid waste-based cementitious concrete, comprising a solid waste-based cementitious concrete production apparatus according to any one of claims 1-9, characterized in that, Includes the following steps: S1. When using, add solid waste-based cementitious material as an admixture to the aggregate and place it in the hopper (401). The aggregate mixed with solid waste-based cementitious material can fill the trough (403) under the action of gravity. Start motor one (404). Motor one (404) can drive the guide roller (402) to rotate. During the rotation of the guide roller (402), the aggregate can be transferred out of the hopper (401) so that the aggregate comes into contact with the vertical plate (5). S2. The aggregate can slide down the vertical plate (5) onto the screen plates (601) on both sides. The motor (101) works at this time and drives the driven gear (104) to rotate through the active gear (103). The driven gear (104) drives the connecting shaft (8) and the cam (9) to rotate. The cam (9) can hit the striking plate (605) during the rotation. The striking plate (605) transmits the vibration to the screen plate (601), so that the aggregate can slowly slide down the inclined screen plate (601). Since the screen plate (601) is provided with a first-level screen hole (602), a second-level screen hole (603) and a third-level screen hole (604), and the aperture of the first-level screen hole (602), the second-level screen hole (603) and the third-level screen hole (604) increases step by step, the aggregate can be graded and screened. Aggregates of different particle sizes can fall into the three collection bins in the collection box (111) respectively, so as to achieve the purpose of sorting and storing the aggregate. S3. During the continuous rotation of the cam (9) and the striking plate (605), the striking plate (605) and the screen plate (601) will drive the rotating shaft (703) to deflect slightly within the two bearings (701). When the cam (9) disengages from the striking plate (605), the striking plate (605) can quickly return to its original position through the force of the coil spring (702). The elastic element (13) provides damping support to the other side of the screen plate (601), so that the screen plate (601) can continue to vibrate and shake out the aggregate in the first-stage screen hole (602), the second-stage screen hole (603) and the third-stage screen hole (604). While the aggregate slides down, it can prevent the screen plate (601) from becoming blocked. S4. When mixing concrete, open the weighing bins (113) at the bottom of the collection box (111) corresponding to the three collection bins, so that the weighing bins (113) can weigh aggregates of different particle sizes. After weighing, open the material valve at the bottom of the weighing bins (113) so that the aggregates are concentrated in the turnover box (2). The driven gear (104) drives multiple stirring rods (107) to rotate through the fixed shaft (105), so that the stirring rods (107) mix the aggregates and achieve the purpose of premixing the aggregates. When the fixed shaft (105) drives the screw rod (106) to rotate, the screw rod (106) conveys the aggregates upward so that the aggregates do not fall directly into the tank (1). S5. When the premixing of aggregates is completed, control motor 2 (101) to rotate in the opposite direction. At this time, the fixed shaft (105) drives the screw rod (106) to rotate in the opposite direction. During the rotation, the screw rod (106) can evenly transport the premixed aggregates into the tank (1). The tank (1) then processes the aggregates, thus completing the production of solid waste-based cementitious concrete.

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