Building waste recovery device for improving freeze-thaw resistance durability of recycled concrete

Abstract

The utility model relates to the technical field of recycled concrete, and discloses a building waste recovery device for improving the freeze-thaw resistance durability of the recycled concrete, the building waste recovery device comprises a machine body, a heating piece is mounted in the machine body, the inner wall of the machine body is rotatably connected with a rotating rod, and the left end of the rotating rod is fixedly connected with a plurality of stirring plates distributed circumferentially; the left side face of the machine body fixedly communicates with a feeding cylinder which is arranged in an upwards-inclined mode, the inner wall of the machine body is rotationally connected with two swing plates, and the two swing plates are connected with an external power source. According to the building waste recycling device for improving the freeze-thaw resistance durability of the recycled concrete, the recycled concrete in the machine body can be dried by installing the heating piece, water in the recycled concrete is reduced, the water content of the recycled concrete is reduced, the anti-freezing performance of the recycled concrete is improved, and an anti-freezing agent is added into the machine body by installing the feeding cylinder; the mechanical property and durability of the recycled concrete are further enhanced, so that the anti-freezing property of the concrete can be improved.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of recycled concrete, in particular to a building waste recovery device for improving the freeze-thaw durability of recycled concrete. BACKGROUND

[0002] With the rapid development of the construction industry, the amount of building waste is increasing rapidly, and its effective treatment and resource utilization have become a problem to be solved in the industry. As an environmentally friendly building material, the application prospect of recycled concrete from building waste is broad.

[0003] The existing patent (publication number: CN220160075U) discloses a waste concrete recycling device, which relates to the technical field of engineering equipment and comprises a fixed base, a driving box installed on the top of the fixed base, four groups of supporting rods installed on the top of the fixed base, a crushing mechanism installed on the top of the four groups of supporting rods, a transmission connection between the output end of the driving box and the input end of the crushing mechanism, an adjusting mechanism installed on one side of the crushing mechanism, and a conveying mechanism installed on the top of the fixed base below the crushing mechanism. The first and second crushing boxes are arranged to crush the waste concrete twice, and the torque of the crushing rollers in the first and second crushing boxes is changed to coarsely crush and finely crush the waste concrete, thereby saving crushing time and improving crushing quality.

[0004] The above document fails to effectively improve the frost resistance of recycled concrete during the treatment process, which limits its application in cold regions and causes problems such as freeze-thaw damage. UTILITARIAN CONTENT

[0005] In view of the deficiencies of the prior art, the application provides a building waste recovery device for improving the freeze-thaw durability of recycled concrete, which has the advantages of improving the frost resistance of concrete and solves the problems raised in the background art.

[0006] To achieve the above-mentioned purpose, the application provides the following technical scheme: a building waste recovery device for improving the freeze-thaw durability of recycled concrete, comprising a machine body, a heating element installed inside the machine body, a rotating rod rotatably connected to the inner wall of the machine body, a plurality of circumferentially distributed stirring plates fixedly connected to the left end of the rotating rod, an upwardly inclined feed cylinder fixedly communicated to the left side of the machine body, two swing plates rotatably connected to the inner wall of the machine body, and a power source connected to the two swing plates, and a pressure sensor installed on the upper surface of each of the two swing plates.

[0007] Through the above scheme, the concrete entering the machine body can be weighed by installing the baffle and the pressure sensor, and the machine body can be closed by the cooperation of the baffle to avoid dust during the crushing of the concrete.

[0008] Further, the inner wall of the machine body is fixedly connected with two baffles, the upper surfaces of the two baffles are fixedly connected with a plurality of springs distributed at equal distances, and the other ends of the plurality of springs are fixedly connected with the swing plates adjacent thereto.

[0009] Through the above scheme, the installation of the springs can support the swing plates and reduce the load of the swing plates.

[0010] Further, the inner wall of the machine body is rotatably connected with two crushing rollers, the left ends of the two crushing rollers are fixedly connected with gears, and the two gears are meshingly connected.

[0011] Through the above scheme, the installation of the gears can make the two crushing rollers rotate in opposite directions and crush the concrete in the machine body.

[0012] Further, the left ends of the rotating rods and the left ends of the crushing rollers located in front are fixedly connected with belt pulleys, the two belt pulleys are drivingly connected through a belt, and the left ends of the rotating rods are connected with a power source outside.

[0013] Through the above scheme, the installation of the belt pulleys can drive the crushing rollers located in front to rotate during the rotation of the rotating rods, and the power can be transmitted.

[0014] Further, the inner wall of the machine body is fixedly connected with a sieve plate, the inner wall of the machine body is provided with a vibration motor, and the output end of the vibration motor is fixedly connected with the sieve plate.

[0015] Through the above scheme, the cooperation of the installation of the sieve plate and the vibration motor can screen the crushed concrete, so that the larger pieces of concrete can be discharged from the machine body.

[0016] Further, a discharge port is formed in the back of the machine body, and a plurality of dustproof curtains are hingedly connected to the back of the machine body and distributed at equal distances.

[0017] Through the above scheme, the installation of the dustproof curtains can close the machine body to avoid the spread of dust generated during the screening process to the outside.

[0018] Further, an output port is formed in the right side of the machine body, and a spiral auger is fixedly connected to the right end of the rotating rod.

[0019] Through the above scheme, the installation of the spiral auger can convey the dried concrete, which is convenient for discharging the concrete in the machine body.

[0020] Further, the inner wall of the body is fixedly connected with an inclined plate, and the rotating rod is rotationally connected with the bottom end of the inclined plate.

[0021] Through the above scheme, the installation of the inclined plate can facilitate the discharge of the screened concrete into the heating element, and the cooperation of the stirring plate can perform drying operation on the screened concrete.

[0022] Compared with the prior art, the technical scheme of the application has the following beneficial effects:

[0023] The building waste recycling device for improving the freeze-thaw durability of recycled concrete can dry the recycled concrete in the body through the installation of the heating element, reduce the moisture inside, reduce the water content, improve the freeze resistance, and further enhance the mechanical properties and durability of the recycled concrete by adding the freeze-resistant agent into the body through the installation of the feeding cylinder, thereby improving the freeze resistance of the concrete. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 It is a sectional view of the overall structure of the application Figure 1 ;

[0025] Figure 2 It is a sectional view of the overall structure of the application Figure 2 ;

[0026] Figure 3 It is an enlarged schematic view of the structure at A of the application Figure 2 ;

[0027] Figure 4 It is a schematic view of the overall structure of the application.

[0028] In the drawings:

[0029] 1, body; 2, heating element; 3, rotating rod; 4, stirring plate; 5, feeding cylinder; 6, swing plate; 7, pressure sensor; 8, baffle; 9, spring; 10, crushing roller; 11, gear; 12, belt pulley; 13, sieve plate; 14, vibration motor; 15, discharge port; 16, dust curtain; 17, output port; 18, auger; 19, inclined plate. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the application will be described clearly and completely below with reference to the drawings in the embodiments of the application. Obviously, the described embodiments are only part of the embodiments of the application, rather than all the embodiments of the application. Based on the embodiments in the application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the application.

[0031] Please refer to Figure 1 , Figure 2 andFigure 3 The building waste recycling device for improving the freeze-thaw durability of recycled concrete in the embodiment comprises a machine body 1, a heating piece 2 is installed in the machine body 1, the heating piece 2 is high on the left and low on the right, a rotating rod 3 is rotatably connected to the inner wall of the machine body 1, a plurality of stirring plates 4 in circumferential distribution are fixedly connected to the left end of the rotating rod 3, an upwardly inclined feeding cylinder 5 is fixedly communicated to the left side of the machine body 1, the recycled concrete in the machine body 1 can be dried by installing the heating piece 2, the moisture in the recycled concrete is reduced, the water content of the recycled concrete is reduced, the freeze resistance of the recycled concrete is improved, the mechanical properties and durability of the recycled concrete are further enhanced by adding the freeze-resistant agent into the machine body 1 through the feeding cylinder 5, the freeze resistance of the recycled concrete is improved, the upper surfaces of the two swing plates 6 are rotatably connected to the inner wall of the machine body 1, the two swing plates 6 are connected to the power source outside, and a pressure sensor 7 is installed on the upper surface of each of the two swing plates 6.

[0032] Please refer to Figure 1 , Figure 2 and Figure 3 , two baffles 8 are fixedly connected to the inner wall of the machine body 1, a plurality of springs 9 in equidistant distribution are fixedly connected to the upper surfaces of the two baffles 8, the other ends of the plurality of springs 9 are fixedly connected to the swing plates 6 close to the other ends, the springs 9 can support the swing plates 6 and reduce the load of the swing plates 6, two crushing rollers 10 are rotatably connected to the inner wall of the machine body 1, gears 11 are fixedly connected to the left ends of the two crushing rollers 10, the two gears 11 are meshingly connected, the gears 11 can make the two crushing rollers 10 rotate in opposite directions and crush the concrete in the machine body 1, belt pulleys 12 are fixedly connected to the left ends of the two crushing rollers 10, the two belt pulleys 12 are drivingly connected through a belt, the left end of the rotating rod 3 is connected to the power source outside, and the belt pulleys 12 can drive the crushing roller 10 in front to rotate in the process of rotating the rotating rod 3 and transmit power.

[0033] Please refer to Figure 1 , Figure 2 and Figure 3The inner wall of the body 1 is fixedly connected with a sieve plate 13, the inner wall of the body 1 is provided with a vibration motor 14, the output end of the vibration motor 14 is fixedly connected with the sieve plate 13, the cooperation of the installed sieve plate 13 and the vibration motor 14 can screen the broken concrete, so that the larger pieces of concrete can be discharged from the body 1, a discharge port 15 is formed in the back of the body 1, a plurality of dustproof curtains 16 are hingedly connected to the back of the body 1 and are equidistantly distributed, the installation of the dustproof curtains 16 can close the body 1, avoiding the spread of dust generated in the screening process to the outside, an output port 17 is formed in the right side of the body 1, a spiral auger 18 is fixedly connected to the right end of the rotating rod 3, the installation of the spiral auger 18 can convey the dried concrete, facilitating the discharge of the concrete in the body 1, the inner wall of the body 1 is fixedly connected with an inclined plate 19, the rotating rod 3 is rotatably connected with the bottom end of the inclined plate 19, the installation of the inclined plate 19 can facilitate the discharge of the screened concrete into the heating element 2, and the cooperation of the stirring plate 4 can dry the screened concrete.

[0034] The building waste recycling device for improving the freeze-thaw durability of recycled concrete in the embodiment can dry the recycled concrete in the body 1 by installing the heating element 2, reduce the moisture inside, reduce the water content, improve the frost resistance, and further enhance the mechanical properties and durability of the recycled concrete by installing the feeding cylinder 5 to add antifreeze agent in the body 1, thereby improving the frost resistance of the concrete.

[0035] The working principle of the above embodiment is that: first, the concrete is put on the swing plate 6, at this time the pressure sensor 7 can weigh the weight of the concrete, when the weight of the concrete reaches the requirement, the external power source can drive the two swing plates 6 to swing, so that the concrete on the swing plate 6 can be put at the baffle 8, at this time the two swing plates 6 can reset and close the machine body 1, to avoid dust during the crushing of the concrete, at this time the external power source starts the rotating rod 3 to rotate, the rotating rod 3 can drive the crushing roller 10 in front to rotate through the transmission of the belt, and through the cooperation of the gear 11, the two crushing rollers 10 can crush the concrete in the machine body 1, the crushed concrete can fall on the sieve plate 13, at this time the vibration motor 14 starts and applies high-frequency vibration to the sieve plate 13, so that the concrete on the sieve plate 13 can be screened under the influence of vibration, wherein the larger concrete can be discharged from the machine body 1 through the discharge port 15, and the screened concrete will fall on the inclined plate 19 and be conveyed to the heating piece 2 through the inclined plate 19, at this time the heating piece 2 starts to generate heat and heat the concrete in the heating piece 2, and the rotating rod 3 can uniformly stir the concrete in the heating piece 2 through the multiple stirring plates 4, so that the concrete can be uniformly heated, the water content in the concrete is reduced, the water content of the concrete is reduced, and the frost resistance of the concrete is improved, at this time the anti-freezing agent is put into the heating piece 2 through the feeding cylinder, and the concrete can be uniformly mixed with the anti-freezing agent through the cooperation of the stirring plate 4, which further enhances the mechanical properties and durability of the recycled concrete, thereby improving the frost resistance of the concrete, and the rotating rod 3 can drive the spiral auger 18 to convey the concrete during rotation, and the stirred concrete will be discharged from the machine body 1 through the output port 17.

[0036] It should be noted that, in the present document, the terms such as first and second, etc., are used merely to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between such entities or operations. Moreover, the terms "comprising", "including" or any other variant thereof are intended to cover a non-exclusive inclusion, such that a process, method, article or apparatus that comprises a list of elements does not include only those elements recited, but can also include other elements not expressly listed or inherent to such process, method, article or apparatus. Without more limitations, an element defined by the statement "comprising a" does not exclude the presence of additional identical elements in the process, method, article or apparatus that includes the element.

[0037] While embodiments of the application have been shown and described, it is to be understood that the embodiments described are merely exemplary and that changes can be made in detail without departing from the principles and spirit of the application. The scope of the application is therefore defined by the appended claims and their equivalents.

Claims

1. A construction waste recycling device for improving the freeze-thaw resistance of recycled concrete, comprising a body (1), characterized in that: The machine body (1) is equipped with a heating element (2) inside. A rotating rod (3) is rotatably connected to the inner wall of the machine body (1). A plurality of circumferentially distributed stirring plates (4) are fixedly connected to the left end of the rotating rod (3). An upwardly inclined feed cylinder (5) is fixedly connected to the left side of the machine body (1). Two swing plates (6) are rotatably connected to the inner wall of the machine body (1). The two swing plates (6) are connected to an external power source. Pressure sensors (7) are installed on the upper surface of the two swing plates (6).

2. The construction waste recycling device for improving the freeze-thaw resistance of recycled concrete according to claim 1, characterized in that: The inner wall of the body (1) is fixedly connected to two baffles (8), and the upper surface of the two baffles (8) is fixedly connected to multiple springs (9) distributed at equal distances. The other end of each spring (9) is fixedly connected to a swing plate (6) close to it.

3. A construction waste recycling device for improving the freeze-thaw resistance of recycled concrete according to claim 1, characterized in that: The inner wall of the machine body (1) is rotatably connected to two crushing rollers (10), and the left end of each of the two crushing rollers (10) is fixedly connected to a gear (11), and the two gears (11) are meshed together.

4. A construction waste recycling device for improving the freeze-thaw resistance of recycled concrete according to claim 1, characterized in that: The left end of the rotating rod (3) and the left end of the crushing roller (10) located in front are both fixedly connected to pulleys (12). The two pulleys (12) are connected by belt drive. The left end of the rotating rod (3) is connected to an external power source.

5. A construction waste recycling device for improving the freeze-thaw resistance of recycled concrete according to claim 1, characterized in that: A sieve plate (13) is fixedly connected to the inner wall of the machine body (1), and a vibration motor (14) is installed on the inner wall of the machine body (1). The output end of the vibration motor (14) is fixedly connected to the sieve plate (13).

6. A construction waste recycling device for improving the freeze-thaw resistance of recycled concrete according to claim 1, characterized in that: The back of the machine body (1) is provided with a discharge port (15), and the back of the machine body (1) is hinged with a plurality of dust curtains (16) distributed at equal intervals.

7. A construction waste recycling device for improving the freeze-thaw resistance of recycled concrete according to claim 1, characterized in that: The machine body (1) has an output port (17) on its right side, and the right end of the rotating rod (3) is fixedly connected to a spiral auger (18).

8. A construction waste recycling device for improving the freeze-thaw resistance of recycled concrete according to claim 1, characterized in that: An inclined plate (19) is fixedly connected to the inner wall of the body (1), and the rotating rod (3) is rotatably connected to the bottom end of the inclined plate (19).

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