Recycled aggregate concrete pre-wetting treatment system
By using spiral blades and mixing rods rotating in opposite directions in conjunction with water pipes in the recycled aggregate pre-wetting device, the problem of spray dead zones was solved, achieving efficient mixing and conveying of recycled concrete aggregates and ensuring sufficient and efficient pre-wetting.
Patent Information
- Application Number
- CN202520123521.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-20
- Publication Date
- 2025-11-28
- Estimated Expiration
- 2035-01-20
Smart Images

Figure CN223607187U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of recycled aggregate concrete prewetting treatment, in particular to a recycled aggregate concrete prewetting treatment system. BACKGROUND
[0002] The recycled aggregate concrete prewetting treatment system is a special system for prewetting treatment of recycled aggregate, aiming to improve the use effect of recycled aggregate in concrete. The recycled aggregate concrete prewetting treatment system is mainly used for prewetting treatment of recycled aggregate to make it reach a suitable water content, thereby improving the performance of recycled aggregate in concrete. The system usually includes key parts such as aggregate conveying, prewetting treatment, and water quantity control;
[0003] In the prior art, the patent with the authorized publication number CN213446872U discloses a recycled aggregate prewetting device, which includes a first support and a second support. One side of the first support is provided with a support plate, and a motor is fixed on the support plate. The output shaft of the motor is fixed with a driving wheel. A driven wheel is fixed on the second support. The top ends of the first support and the second support are inclined and provided with a feeding belt close to the driving wheel and the driven wheel. The feeding belt is provided with an inlet door on one side and an outlet door on the other side. Third supports are arranged on both sides along the length direction of the feeding belt. Water inlet pipes are arranged on the third supports. Valves are arranged on the water inlet pipes. Switches and time relays electrically connected with the switches are arranged on the outer walls of the water inlet pipes. The ends of the water inlet pipes away from the feeding belt are provided with water inlets. Water sources are connected with the water inlets. Spraying pipes are connected with the ends of the water inlet pipes away from the water inlets.
[0004] Such recycled aggregate prewetting devices have some problems. For example, the concrete recycled aggregate conveyed on the feeding belt is sprayed to realize prewetting treatment of the concrete recycled aggregate. Since the water pipe is located on only one side of the concrete recycled aggregate, or is covered, there is a certain spraying dead angle, which affects the fullness of the prewetting treatment of the concrete recycled aggregate. UTILITY MODEL CONTENTS
[0005] The utility model solves the technical problems of overcoming the defects of the prior art and providing a recycled aggregate concrete prewetting treatment system. The system realizes efficient stirring of the concrete recycled aggregate through spiral blades and stirring rods rotating in opposite directions, cooperates with the rotating water pipe to realize full prewetting of the concrete recycled aggregate, and realizes conveying of the concrete recycled aggregate through the rotating spiral blades, which can effectively solve the problems in the background art.
[0006] In order to achieve the above object, the utility model provides the following technical scheme: a recycled aggregate concrete prewetting treatment system, including prewetting pedestal, the front and back both ends of prewetting pedestal upper surface are fixedly connected with prewetting frame, and the rotation is connected with prewetting bin between two prewetting frames, the inside of prewetting bin is provided with water pipe, the middle part of water pipe is provided with the uniformly distributed through -hole, its characterized in that: still include stirring mechanism,
[0007] Stirring mechanism: it includes pivot, rotating handle, stirring rod and spiral blade, the pivot rotation is connected in the front end of rear prewetting frame, and the front end of pivot is fixedly connected with rotating handle, and the one end of rotating handle front side surface is away from the center of prewetting bin and is fixedly connected with stirring rod, and the outer surface of stirring rod is fixedly connected with the uniformly distributed stirring blade, and the spiral blade is fixedly connected to the inner wall of prewetting bin, and the spiral blade and stirring rod realize the efficient stirring of concrete recycled aggregate with opposite rotation direction, and cooperate with the water pipe in rotation to realize the full prewetting of concrete recycled aggregate, and the spiral blade in rotation realizes the concrete recycled aggregate conveying.
[0008] Further, the controller is arranged on the left end of the front side surface of the front prewetting frame, the input end of the controller is electrically connected with the external power supply, and the controller controls each electric appliance.
[0009] Further, the stirring mechanism further includes a motor one, the front end of the output shaft of the motor one is fixedly connected with the rear end of the pivot, and the input end of the motor one is electrically connected with the output end of the controller, so as to provide driving force for the rotation of the pivot.
[0010] Further, one end of the prewetting frame close to the prewetting bin is fixedly connected with a T-shaped rib ring, and the front and back ends of the prewetting bin are provided with a sliding groove, the inside of the sliding groove is slidingly connected with the outer surface of the longitudinally adjacent T-shaped rib ring, so as to provide rotation support for the rotation of the prewetting bin.
[0011] Further, the left end of the upper surface of the prewetting pedestal is provided with symmetrically distributed supports, a driving shaft is rotationally connected between the two supports, a driving gear one is fixedly connected to the middle part of the driving shaft, a driven gear ring is fixedly connected to the middle part of the outer surface of the prewetting bin, the driving gear one is meshingly connected with the driven gear ring, a motor two is arranged on the left end of the upper surface of the prewetting pedestal, the front end of the output shaft of the motor two is fixedly connected with the rear end of the driving shaft, the input end of the motor two is electrically connected with the output end of the controller, so as to realize the rotation of the prewetting bin.
[0012] Further, the rotating drum is rotationally connected to the inside of the pre-wetting frame on the front side, the rear end of the rotating drum is fixedly connected with the rear end of the water pipe, the front end of the water pipe is communicated with the water outlet of the external water pump through the external rotary joint, the middle part of the rotating drum is provided with uniformly distributed filter screens, the lower end of the front surface of the pre-wetting frame on the front side is fixedly connected with the motor frame, the rotating shaft is rotationally connected between the motor frame and the pre-wetting frame on the front side, the middle part of the rotating shaft is fixedly connected with the driving gear two, the front end of the outer surface of the rotating drum is fixedly connected with the driven gear, the driven gear is meshingly connected with the driving gear two, the front end of the motor frame is provided with the motor three, the rear end of the output shaft of the motor three is fixedly connected with the front end of the rotating shaft, the motor three and the input end of the external water pump are electrically connected with the output end of the controller, and the rotating spray of the concrete recycled aggregate is realized.
[0013] Further, the four corners of the pre-wetting base are provided with uniformly distributed mounting holes, the upper end of the pre-wetting frame on the front side is provided with the feeding pipe, and the lower end of the pre-wetting frame on the rear side is provided with the discharging port, so as to provide a channel for the feeding and discharging of the concrete recycled aggregate.
[0014] Compared with the prior art, the pre-wetting treatment system for recycled aggregate concrete has the following advantages.
[0015] The spiral blades and the stirring rods rotating in opposite directions realize efficient stirring of the concrete recycled aggregate, cooperate with the water pipe in rotation to realize sufficient pre-wetting of the concrete recycled aggregate, and the spiral blades in rotation realize continuous conveying of the concrete recycled aggregate, so that the pre-wetting of the concrete recycled aggregate is more sufficient and efficient relative to the spraying mode in the conveying process of the conveying belt. BRIEF DESCRIPTION OF DRAWINGS
[0016] Fig. 1 It is a structural schematic view of the utility model;
[0017] Fig. 2 It is a sectional structural schematic view of the utility model;
[0018] Fig. 3 It is an enlarged structural schematic view of A of the utility model.
[0019] In the drawing: 1, pre-wetting base; 2, pre-wetting frame; 3, pre-wetting bin; 4, stirring mechanism; 41, motor one; 42, rotating shaft; 43, rotating handle; 44, stirring rod; 45, spiral blade; 5, T-shaped rib ring; 6, support; 7, driving gear one; 8, driven gear ring; 9, motor two; 10, rotating drum; 11, water pipe; 12, driven gear; 13, driving gear two; 14, motor frame; 15, motor three; 16, feeding pipe; 17, through hole; 18, filter screen; 19, controller. DETAILED DESCRIPTION
[0020] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be described clearly and completely. Obviously, the described embodiments are only some of the embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the present application.
[0021] Please refer to Figs. 1-3 The embodiment provides a technical scheme: a recycled aggregate concrete pre-wetting treatment system, which comprises a pre-wetting base 1, pre-wetting frames 2 are fixedly connected to the front and rear ends of the upper surface of the pre-wetting base 1, a pre-wetting bin 3 is rotatably connected between the two pre-wetting frames 2, a water pipe 11 is arranged in the pre-wetting bin 3, uniformly distributed through holes 17 are arranged in the middle of the water pipe 11, a controller 19 is arranged at the left end of the front side surface of the pre-wetting frame 2 on the front side, the input end of the controller 19 is electrically connected with an external power supply, and the system is characterized in that it further comprises a stirring mechanism 4.
[0022] The stirring mechanism 4 comprises a rotating shaft 42, a rotating handle 43, stirring rods 44 and helical blades 45, the rotating shaft 42 is rotatably connected to the front end of the pre-wetting frame 2 on the rear side, the front end of the rotating shaft 42 is fixedly connected with the rotating handle 43, the front side surface of the rotating handle 43 is fixedly connected with the stirring rods 44 at the end away from the center of the pre-wetting bin 3, the outer surface of the stirring rods 44 is fixedly connected with uniformly distributed stirring blades, the helical blades 45 are fixedly connected to the inner wall of the pre-wetting bin 3, the stirring mechanism 4 further comprises a first motor 41, the front end of the output shaft of the first motor 41 is fixedly connected with the rear end of the rotating shaft 42, the input end of the first motor 41 is electrically connected with the output end of the controller 19, the controller 19 drives the first motor 41 to rotate, the output shaft of the first motor 41 drives the rotating shaft 42 to rotate, the rotating shaft 42 drives the rotating handle 43 to rotate, the rotating handle 43 drives the stirring rods 44 to rotate around the central axis of the rotating shaft 42, the stirring rods 44 drive the uniformly distributed stirring blades to rotate around the central axis of the rotating shaft 42, thereby realizing the stirring of the recycled aggregate concrete.
[0023] The left end of the upper surface of the pre-wetting base 1 is provided with symmetrically distributed supports 6, a driving shaft is rotatably connected between the two supports 6, the middle part of the driving shaft is fixedly connected with a driving gear one 7, the outer surface of the pre-wetting bin 3 is fixedly connected with a driven gear ring 8, the driving gear one 7 and the driven gear ring 8 are meshingly connected, a motor two 9 is arranged on the left end of the upper surface of the pre-wetting base 1, the front end of the output shaft of the motor two 9 is fixedly connected with the rear end of the driving shaft, the input end of the motor two 9 is electrically connected with the output end of the controller 19, the controller 19 realizes the operation of the motor two 9, the output shaft of the motor two 9 drives the driving shaft to rotate, and then drives the driving gear one 7 to rotate, the driving gear one 7 drives the driven gear ring 8 to rotate, the driven gear ring 8 drives the pre-wetting bin 3 to rotate, and then drives the spiral blade 45 to rotate, and the rotating direction of the spiral blade 45 is opposite to that of the stirring rod 44, the spiral blade 45 spirally conveys the concrete recycled aggregate, so that the concrete recycled aggregate continuously moves backward in the pre-wetting process, and the concrete recycled aggregate is continuously conveyed while being fully pre-wetted;
[0024] The pre-wetting base 1 is provided with a rotating cylinder 10, the rotating cylinder 10 is rotatably connected to the inside of the pre-wetting frame 2 on the front side, the rear end in the rotating cylinder 10 is fixedly connected with the rear end of a water pipe 11, the front end of the water pipe 11 is communicated with the water outlet of an external water pump through an external rotary joint, the middle part of the rotating cylinder 10 is provided with uniformly distributed filter screens 18, the lower end of the front surface of the pre-wetting frame 2 on the front side is fixedly connected with a motor bracket 14, a rotating shaft is rotatably connected between the motor bracket 14 and the pre-wetting frame 2 on the front side, the middle part of the rotating shaft is fixedly connected with a driving gear two 13, the front end of the outer surface of the rotating cylinder 10 is fixedly connected with a driven gear 12, the driven gear 12 is meshingly connected with the driving gear two 13, a motor three 15 is arranged on the front end of the motor bracket 14, the rear end of the output shaft of the motor three 15 is fixedly connected with the front end of the rotating shaft, the output shaft of the motor three 15 and the input end of the external water pump are both electrically connected with the output end of the controller 19, the operation of the motor three 15 is realized through the controller 19, the output shaft of the motor three 15 drives the rotating shaft to rotate, and then drives the driving gear two 13 to rotate, the driving gear two 13 drives the driven gear 12 to rotate, the driven gear 12 drives the rotating cylinder 10 to rotate, the rotating cylinder 10 drives the water pipe 11 to rotate, at the same time, the controller 19 realizes the operation of the external water pump, the external water pump pumps water into the inside of the water pipe 11, and then sprays out through the uniformly distributed through holes 17 in the middle part of the water pipe 11 to the outer surface of the concrete recycled aggregate, and at the same time, the filter screens 18 effectively prevent the concrete recycled aggregate from blocking the through holes 17;
[0025] The pre-wetting base 1 is provided with mounting holes uniformly distributed at four corners, the upper end of the pre-wetting frame 2 at the front side is provided with a feeding pipe 16, and the lower end of the pre-wetting frame 2 at the rear side is provided with a discharging port.
[0026] The working principle of the recycled aggregate concrete pre-wetting treatment system is as follows: in operation, personnel stably connect the mounting holes in the pre-wetting base 1 with the threaded holes in the working plane through bolts, so that the pre-wetting base 1, the pre-wetting frame 2 and other mechanisms are stably installed, after stable installation, the personnel add recycled aggregate concrete into the inside of the pre-wetting bin 3 through the feeding pipe 16, and simultaneously, the motor three 15 is operated through the controller 19, the output shaft of the motor three 15 rotates to drive the rotating shaft to rotate, and then drive the driving gear two 13 to rotate, the driving gear two 13 rotates to drive the driven gear 12 to rotate, the driven gear 12 rotates to drive the rotary drum 10 to rotate, the rotary drum 10 rotates to drive the water pipe 11 to rotate, simultaneously, the external water pump is operated through the controller 19, the water body is pumped into the inside of the water pipe 11 by the external water pump, the front end of the water pipe 11 is communicated with the water outlet of the external water pump through the external rotary joint, the fixed end and the rotating end of the external rotary joint can ensure the rotation of the water pipe 11 and the flow of the water body, and then the water body is sprayed out through the through holes 17 uniformly distributed in the middle of the water pipe 11 and sprayed to the outer surface of the recycled aggregate concrete, simultaneously, the filter screen 18 effectively avoids the recycled aggregate concrete from blocking the through holes 17, simultaneously, the motor one 41 is operated through the controller 19, the output shaft of the motor one 41 rotates to drive the rotating shaft 42 to rotate, the rotating shaft 42 rotates to drive the rotating handle 43 to rotate, the rotating handle 43 rotates to drive the stirring rod 44 to rotate around the central axis of the rotating shaft 42, the stirring rod 44 rotates to drive the uniformly distributed stirring blades to rotate around the central axis of the rotating shaft 42, and then the recycled aggregate concrete is stirred, simultaneously, the motor two 9 is operated through the controller 19, the output shaft of the motor two 9 rotates to drive the driving shaft to rotate, and then drive the driving gear one 7 to rotate, the driving gear one 7 rotates to drive the driven gear ring 8 to rotate, the driven gear ring 8 rotates to drive the pre-wetting bin 3 to rotate, and then drive the spiral blade 45 to rotate, and the rotating direction of the spiral blade 45 is opposite to that of the stirring rod 44, the spiral blade 45 spirally conveys the recycled aggregate concrete, the recycled aggregate concrete is continuously conveyed while being fully pre-wetted, and the pre-wetted recycled aggregate concrete is removed through the discharging port.
[0027] It is worth noting that the controller 19 controls the motor one 41, the motor two 9, the motor three 15 and the external water pump to work in the above embodiment by using the method commonly used in the prior art.
[0028] The above merely illustrates the embodiments of the present application, and does not limit the patent scope of the present application, and any equivalent structure or equivalent process transformation, or direct or indirect application in other related technical fields, which are made by using the content of the present application specification and drawings, are also included in the patent protection scope of the present application.
Claims
1. A pre-wetting treatment system for recycled aggregate concrete, comprising a pre-wetting base (1), pre-wetting frames (2) fixedly connected to both ends of the upper surface of the pre-wetting base (1), a pre-wetting chamber (3) rotatably connected between the two pre-wetting frames (2), a water pipe (11) provided inside the pre-wetting chamber (3), and a uniformly distributed through hole (17) provided in the middle of the water pipe (11), characterized in that: It also includes a stirring mechanism (4); Stirring mechanism (4): It includes a rotating shaft (42), a rotating handle (43), a stirring rod (44) and a spiral blade (45). The rotating shaft (42) is rotatably connected to the front end of the pre-wetting frame (2) on the rear side. The rotating handle (43) is fixedly connected to the front end of the rotating shaft (42). The stirring rod (44) is fixedly connected to the end of the front surface of the rotating handle (43) away from the center of the pre-wetting chamber (3). The stirring blades are evenly distributed on the outer surface of the stirring rod (44). The spiral blade (45) is fixedly connected to the inner wall of the pre-wetting chamber (3).
2. The recycled aggregate concrete pre-wetting treatment system according to claim 1, characterized in that: It also includes a controller (19), which is located on the left end of the front surface of the pre-wetting rack (2) on the front side, and the input terminal of the controller (19) is electrically connected to an external power source.
3. The recycled aggregate concrete pre-wetting treatment system according to claim 2, characterized in that: The stirring mechanism (4) also includes a motor (41), the front end of the output shaft of the motor (41) is fixedly connected to the rear end of the rotating shaft (42), and the input end of the motor (41) is electrically connected to the output end of the controller (19).
4. The recycled aggregate concrete pre-wetting treatment system according to claim 1, characterized in that: The pre-wetting rack (2) is fixedly connected to a T-shaped rib ring (5) at one end near the pre-wetting chamber (3). The front and rear ends of the pre-wetting chamber (3) are provided with sliding grooves, and the interior of the sliding grooves is slidably connected to the outer surface of the longitudinally adjacent T-shaped rib ring (5).
5. The recycled aggregate concrete pre-wetting treatment system according to claim 2, characterized in that: The left end of the upper surface of the pre-wetting base (1) is provided with symmetrically distributed supports (6), and a drive shaft is rotatably connected between the two supports (6). A drive gear (7) is fixedly connected to the middle of the drive shaft. A driven gear ring (8) is fixedly connected to the middle of the outer surface of the pre-wetting chamber (3). The drive gear (7) and the driven gear ring (8) are meshed. A motor (9) is provided at the left end of the upper surface of the pre-wetting base (1). The front end of the output shaft of the motor (9) is fixedly connected to the rear end of the drive shaft. The input end of the motor (9) is electrically connected to the output end of the controller (19).
6. The recycled aggregate concrete pre-wetting treatment system according to claim 2, characterized in that: It also includes a rotating drum (10), which is rotatably connected to the interior of the front pre-wetting frame (2). The rear end of the interior of the rotating drum (10) is fixedly connected to the rear end of the water pipe (11). The front end of the water pipe (11) is connected to the outlet of an external water pump through an external rotary joint. A uniformly distributed filter screen (18) is provided in the middle of the rotating drum (10). A motor frame (14) is fixedly connected to the lower end of the front surface of the front pre-wetting frame (2). The motor frame (14) and the front pre-wetting frame (2) are connected to each other. A rotating shaft is rotatably connected between the two parts. A drive gear two (13) is fixedly connected to the middle of the rotating shaft. A driven gear (12) is fixedly connected to the front end of the outer surface of the rotating drum (10). The driven gear (12) meshes with the drive gear two (13). A motor three (15) is set at the front end of the motor frame (14). The rear end of the output shaft of the motor three (15) is fixedly connected to the front end of the rotating shaft. The input ends of the motor three (15) and the external water pump are electrically connected to the output end of the controller (19).
7. The recycled aggregate concrete pre-wetting treatment system according to claim 1, characterized in that: The pre-wetting base (1) has evenly distributed mounting holes at its four corners. The upper end of the pre-wetting frame (2) on the front side is provided with a feed pipe (16), and the lower end of the pre-wetting frame (2) on the rear side is provided with a discharge port.
Citation Information
Patent Citations
Recycled aggregate pre-wetting device
CN213446872U