CN214159755U - High-efficient concrete recovery plant - Google Patents

Abstract

The application relates to the field of concrete recovery, in particular to efficient concrete recovery equipment, which has the technical scheme that the efficient concrete recovery equipment comprises a crushing barrel and a crushing assembly arranged in the crushing barrel, wherein a first filter screen is fixed in the crushing barrel, and the first filter screen is obliquely arranged below the crushing assembly; a vertical first spiral feeding machine is arranged on one side of the crushing cylinder, a feed back port positioned below the crushing assembly is formed in the peripheral wall of the crushing cylinder, and the feed back port is formed above the position, close to the ground, of the first filter screen; the lower end of the first spiral feeding machine is communicated with the interior of the crushing barrel through a feed back port, and the upper end of the first spiral feeding machine is communicated with the interior of the crushing barrel; the purposes of improving the crushing quality of the concrete and improving the crushing efficiency of the concrete are achieved.

Description

High-efficient concrete recovery plant

Technical Field

The application relates to the field of concrete recovery, in particular to efficient concrete recovery equipment.

Background

The waste concrete refers to waste concrete blocks, such as concrete blocks and silt after a building is disintegrated and high-quality crushed and sieved, and can be recycled as recycled concrete.

The concrete crushing equipment recorded in the related art is a concrete crusher, which is also called a jaw crusher, and comprises a fixed jaw plate, a movable jaw plate and a side protection plate, wherein a concrete block is added into a cavity formed by the fixed jaw plate, the movable jaw plate and the side protection plate, and the movable jaw plate is matched with the fixed jaw plate through reciprocating motion to crush the concrete block.

In view of the above-mentioned related art solutions, the inventors found that: only rely on fixed jaw and movable jaw when smashing the concrete piece extrusion, the concrete piece granule after smashing is great and then can't satisfy the operation requirement, needs the workman to add the concrete piece again and smash repeatedly in the equipment this moment, and the efficiency is lower when the concrete piece is more.

SUMMERY OF THE UTILITY MODEL

In order to improve the crushing quality of concrete and improve the crushing efficiency of concrete, this application provides a high-efficient concrete recovery plant.

The application provides a high-efficient concrete recovery plant adopts following technical scheme:

an efficient concrete recovery device comprises a crushing barrel and a crushing assembly arranged in the crushing barrel, wherein a first filter screen is fixed in the crushing barrel, and the first filter screen is obliquely arranged below the crushing assembly; a vertical first spiral feeding machine is arranged on one side of the crushing cylinder, a feed back port positioned below the crushing assembly is formed in the peripheral wall of the crushing cylinder, and the feed back port is formed above the position, close to the ground, of the first filter screen; the lower extreme of first spiral material loading machine passes through feed back mouth and the inside intercommunication of crushing barrel and the upper end and the inside intercommunication of crushing barrel of first material loading machine.

By adopting the technical scheme, the concrete blocks with larger volume are poured into the crushing cylinder, and the concrete blocks are crushed into the concrete blocks with smaller volume by the crushing assembly, but the concrete blocks do not meet the use requirement; the less concrete piece of volume falls on first filter screen, some concrete pieces can enter into first filter screen below through first filter screen and carry out further processing, and another part concrete piece then can't pass through, and then roll on first filter screen through the dead weight and fall to inside first spiral feeding machine, first spiral feeding machine with the concrete piece leading-in crushing cylinder inside once more smashes, with the crushing quality of improvement concrete, reduce the granularity of concrete in order to reach the operation requirement, whole process need not artificially add the concrete piece again in the crushing cylinder once more, and then improve the crushing efficiency of concrete.

Preferably, the crushing assembly comprises a driving roller and a driven roller which are arranged in the crushing barrel, the axes of the driving roller and the driven roller are positioned in the same horizontal plane and are parallel, and a gap in the horizontal direction exists between the driving roller and the driven roller; the driving roller and the driven roller are both rotationally connected with the inner wall of the crushing barrel; the driving roller can be fixed-shaft rotated under the action of the driving unit.

By adopting the technical scheme, when the concrete with larger volume reaches the gap between the driving roller and the driven roller, the driving roller and the driven roller extrude the concrete block with larger volume into the concrete block with smaller volume.

Preferably, a second filter screen which is horizontally arranged is fixed inside the crushing cylinder; a grinding assembly for further refining the concrete crushed by the crushing assembly is arranged below the second filter screen; the diameter of the mesh of the second screen is equal to the diameter of the mesh of the first screen.

By adopting the technical scheme, as some concrete can pass through the crushing assembly and the first filter screen along a certain direction, the volume of the concrete block is still larger; the second filter screen can make progress one to the great concrete piece of volume and sieve, reduces during the great concrete of volume enters into grinding assembly to reduce grinding assembly's load and then reduce the damage to grinding assembly.

Preferably, the grinding assembly includes a second motor secured below the grinding cylinder; a rotating shaft vertically penetrating through the bottom of the crushing barrel and extending towards the inside of the crushing barrel is fixed on an output shaft of the second motor; a grinding block is fixed at the upper end of the rotating shaft, a gap exists between the peripheral surface of the grinding block and the inner wall of the crushing barrel, and the gap is smaller than the diameter of the meshes on the first filter screen; the grinding block peripheral surface and the inner wall of the crushing barrel can extrude and grind the concrete.

Through adopting above-mentioned technical scheme, after the less concrete piece of volume passes through the second filter screen, can reach the grinding block and smash the gap between the section of thick bamboo wall, grinding block and crushing section of thick bamboo rotation and then grind the less concrete piece of volume to concrete powder gradually, and then reach the operation requirement of concrete.

Preferably, the grinding block is in a circular truncated cone shape, and the diameter of the cross section of the grinding block gradually increases from top to bottom, that is, the gap between the peripheral surface of the grinding block and the inner wall of the crushing barrel gradually decreases from top to bottom.

By adopting the technical scheme, the grinding block can grind the concrete block gradually, so that on one hand, the concrete can enter a gap between the peripheral surface of the grinding block and the inner wall of the crushing barrel through a larger gap; on the other hand, the grinding of the concrete is gradual, the load acting on the circumferential surface of the grinding block can be reduced, and the damage to the grinding block is further reduced.

Preferably, the upper surface of the grinding block is provided with a material sliding table, the material sliding table is conical, and the lower surface of the material sliding table is fixedly connected with the upper surface of the grinding block.

Through adopting above-mentioned technical scheme, the concrete piece through the second filter screen drops to the smooth material bench, because the global slope of smooth material bench, like this, the concrete piece through the dead weight self-propelled landing to grinding block global and smash a clearance between the section of thick bamboo inner wall, and then has hindered the concrete and has piled up on grinding block upper surface.

Preferably, a material guide pipe communicated with the interior of the first spiral feeding machine is arranged below the first spiral feeding machine, and a third filter screen is arranged between the material guide pipe and the first spiral feeding machine; one end of the material guide pipe, which is far away from the first spiral feeding machine, is communicated with the interior of the crushing barrel, and one end of the material guide pipe, which is far away from the first spiral feeding machine, extends to a position between the first filter screen and the second filter screen; the mesh diameter of the third screen is equal to the mesh diameter of the first screen.

By adopting the technical scheme, the concrete blocks with small volume can not enter the first spiral feeding machine through the first filter screen due to the accumulation of the concrete blocks so as to be repeatedly crushed again without need, so that the crushing efficiency is reduced; through setting up the third filter screen, make some less concrete blocks of volume can enter into the second filter screen through the third filter screen and do the grinding preparation.

Preferably, one side of the crushing cylinder is provided with a second screw feeder for feeding concrete blocks into the crushing cylinder.

Through adopting above-mentioned technical scheme, second spiral material loading machine makes people can accomplish the reinforced work of concrete piece subaerial, has reduced intensity of labour to a certain extent.

In summary, the present application has the following technical effects:

1. by arranging the first filter screen, the crushing assembly and the first spiral feeding machine, the concrete blocks with larger volume can be repeatedly crushed until the volume of the concrete blocks is smaller, so that the crushing quality of the concrete is improved, and the crushing efficiency of the concrete is improved;

2. by arranging the grinding assembly, concrete blocks with small volume can be further refined and ground, so that the concrete blocks are changed into concrete powder and meet the use requirement;

3. through having set up second spiral material loading machine, make people can accomplish the reinforced work of concrete piece subaerial, reduced intensity of labour to a certain extent.

Drawings

FIG. 1 is an overall configuration diagram of a concrete reclamation apparatus in an embodiment of the present application;

fig. 2 is a sectional view of the concrete reclamation apparatus in the embodiment of the present application.

In the figure, 1, a crushing cylinder; 11. a feed back port; 12. a material cleaning door; 2. a discharge pipe; 3. a second spiral feeder; 4. a size reduction assembly; 41. a first motor; 42. a drive roll; 43. a driven roller; 5. a first filter screen; 6. a first spiral feeder; 7. a third filter screen; 8. a grinding assembly; 81. a second motor; 82. a rotating shaft; 83. grinding blocks; 84. a material sliding table; 9. a material guide pipe; 10. and a second filter screen.

Detailed Description

The present application is described in further detail below with reference to the attached drawings.

Referring to fig. 1 and 2, the application provides a high-efficiency concrete recycling device, which comprises a cylindrical crushing barrel 1 with an upward opening, wherein a crushing assembly 4 for crushing large-volume concrete is arranged at a position, close to the opening, of the crushing barrel 1; an elliptical first filter screen 5 is arranged below the crushing component 4, the first filter screen 5 is obliquely arranged, and the peripheral surface of the first filter screen 5 is fixedly connected with the inner wall of the crushing barrel 1; a material return port 11 positioned above the first filter screen 5 is formed in the position, close to the ground, of the first filter screen 5 on the wall of the crushing barrel 1; a first spiral feeding machine 6 is arranged on one side of the crushing barrel 1, and the feeding direction of the first spiral feeding machine 6 is vertically upward; the first spiral feeding machine 6 is communicated with the interior of the crushing barrel 1 through a feed back port 11; a grinding assembly 8 positioned below the first filter screen 5 is arranged in the crushing cylinder 1; adding concrete blocks with larger volume into the crushing cylinder 1, wherein the crushing assembly 4 can crush part of the concrete blocks into concrete blocks with smaller volume and the concrete blocks reach the grinding assembly 8 through the first filter screen 5 for grinding, while part of the concrete blocks are not crushed fully by the crushing assembly 4 through gaps, and then cannot pass through the first filter screen 5 and roll into the first spiral feeding machine 6 along the inclined direction of the first filter screen 5, and the first spiral machine further adds the concrete blocks with larger volume into the crushing cylinder 1 again to be crushed by the crushing assembly 4; like this, can smash repeatedly to the great concrete piece of volume until concrete piece volume is less, and then improved the crushing quality of concrete and improved the crushing efficiency of concrete.

Referring to fig. 1 and 2, the crushing assembly 4 comprises a first motor 41 arranged outside the crushing cylinder 1, and an output shaft of the first motor 41 horizontally penetrates through the peripheral wall of the crushing cylinder 1 and extends towards the inside of the crushing cylinder 1; a driving roller 42 arranged in the crushing cylinder 1 is coaxially fixed on an output shaft of the first motor 41, and one end of the driving roller 42 far away from the first motor 41 is rotatably connected with the peripheral wall of the crushing cylinder 1; one side of the driving roller 42 is provided with a driven roller 43, the axis of which is parallel to the axis of the driving roller 42 and is positioned on the same plane, and two ends of the driven roller 43 are rotationally connected with the peripheral wall of the crushing cylinder 1; a gap exists between the peripheral surfaces of the driving roller 42 and the driven roller 43 which are close to each other, and the gap is equal to the diameter of the meshes of the first filter screen 5; the driving roller 42 moves downward close to the peripheral surface of the driven roller 43 under the driving of the first motor 41; thus, when the concrete blocks with large volume are added into the crushing cylinder 1 and fall onto the driving roller 42 and the driven roller 43, the driving roller 42 can drive the concrete blocks to the gap between the driving roller 42 and the driven roller 43, and the concrete blocks are further extruded and crushed by the driving roller 42 and the driven roller 43 and freely fall onto the first filter screen 5.

Referring to fig. 1 and 2, a second screen 10 fixed on the peripheral wall of the crushing cylinder 1 is horizontally arranged below the first screen 5, the second screen 10 is arranged above the grinding assembly 8, and the diameter of the mesh on the second screen 10 is equal to that of the mesh on the first screen 5; because the concrete blocks are irregular in shape, namely the sizes of the concrete blocks at all angles are different greatly, the concrete blocks can pass through the first filter screen 5 according to a certain angle, but the volume of the concrete blocks is still large, in order to further reduce the load of the grinding assembly 8 caused by the fact that the large-volume concrete blocks fall onto the grinding assembly 8, the second filter screen 10 can further screen the concrete blocks, and the large-volume concrete blocks which are leaked by the first filter screen 5 are screened out; a material cleaning door 12 is arranged on the peripheral wall of the crushing cylinder 1, one side of the material cleaning door 12 is hinged with the peripheral wall of the crushing cylinder 1, and the material cleaning door 12 is arranged above the second filter screen 10; in this way, when there are a large number of concrete blocks deposited on the second screen 10, the worker can clean the screened concrete blocks through the material-cleaning door 12 to reduce the possibility that the second screen 10 is clogged.

Referring to fig. 1 and 2, a material guide pipe 9 is connected to the lower end of the first spiral feeder 6, and two ends of the material guide pipe 9 are respectively communicated with the first spiral feeder 6 and the inside of the crushing cylinder 1; the communication position between the material guiding pipe 9 and the crushing cylinder 1 is positioned above the second filter screen 10; a third filter screen 7 is fixed inside the material guide pipe 9, the third filter screen 7 is arranged between the material guide pipe 9 and the first spiral feeding machine 6, and the diameter of meshes of the third filter screen 7 is equal to that of meshes on the first filter screen 5; when the concrete piece piles up more on first filter screen 5, can make partial less concrete piece of volume can't pass through first filter screen 5 and get into first spiral feeding machine 6 through feed back mouth 11 in, the less concrete piece of volume and then through third filter screen 7 and passage 9 reentrant crushing cylinder 1 in, and then reduced the less concrete piece of volume and carried out unnecessary repulverize to make the less concrete piece of volume can participate in as early as possible and grind, the finished product efficiency of concrete has been improved to a certain extent.

Referring to fig. 2, the grinding assembly 8 includes a second motor 81 disposed below the milling drum 1, and an output shaft of the second motor 81 vertically penetrates through a center of a circle of the bottom surface of the milling drum 1 and extends toward the inside of the milling drum 1; a rotating shaft 82 arranged in the crushing cylinder 1 is coaxially fixed on an output shaft of the second motor 81, a grinding block 83 is fixed at the upper end of the rotating shaft 82, the grinding block 83 is in a circular truncated cone shape, a gap exists between the peripheral wall of the grinding block 83 and the peripheral wall of the crushing cylinder 1, the gap gradually becomes smaller from top to bottom, and the maximum size of the gap is equal to the diameter of the mesh on the second filter screen 10; the second motor 81 is started, when the concrete blocks enter the gap between the grinding block 83 and the peripheral wall of the crushing cylinder 1, the grinding block 83 can further extrude, crush and grind the concrete blocks, and the concrete blocks are changed into concrete powder which can meet the use requirement; a conical sliding material table 84 is arranged on the upper surface of the grinding block 83, and the bottom surface of the sliding material table 84 is fixedly connected with the upper surface of the grinding block 83; when the concrete block falls on the slip table 84, the concrete block can spontaneously slide to the gap between the grinding block 83 and the peripheral wall of the grinding cylinder 1 along the peripheral surface of the slip table 84 by its own weight, thereby reducing the accumulation of concrete on the upper surface of the grinding block 83.

Referring to fig. 1 and 2, a second spiral feeder 3 positioned on the ground is arranged on one side of the crushing cylinder 1, and a discharge pipe 2 of the second spiral feeder 3 is positioned above the crushing cylinder 1 and faces the inside of the crushing cylinder 1; therefore, people can finish the feeding operation of the concrete blocks on the ground, and further the labor intensity of workers is reduced.

Referring to fig. 1 and 2, the lower surface of the crushing cylinder 1 is obliquely arranged, a discharge pipe 2 is communicated with the peripheral wall of the crushing cylinder 1 at the position close to the ground, and the longitudinal section of the connection part of the discharge pipe 2 and the crushing cylinder 1 is tangent to the lower surface of the inside of the crushing cylinder 1; thus, the ground concrete can be spontaneously derived from the inside of the grinding cylinder 1 through the discharge pipe 2 along the lower surface of the grinding cylinder 1, and the accumulation of concrete powder in the grinding cylinder 1 is reduced.

To sum up, the application process of this application is: adding concrete blocks into the crushing cylinder 1, crushing most of the concrete blocks with larger volume into concrete blocks with smaller volume by the driving roller 42 and the driven roller 43, and enabling the concrete blocks to pass through the first filter screen 5; a small part of the concrete blocks with larger volume are not fully crushed, and the part of the concrete blocks roll down to the first spiral feeder 6 along the inclined direction of the first filter screen 5 and are added into the crushing cylinder 1 again to be crushed by the crushing assembly 4; the concrete block passing through the second filter screen 10 is ground by the grinding block 83 into concrete powder meeting the use requirement, and the concrete finished product is finally discharged from the crushing cylinder 1 through the discharge pipe 2.

The present embodiment is only for explaining the present application, and it is not limited to the present application, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present application.

Claims (8)

1. The utility model provides a high-efficient concrete recovery plant which characterized in that: the device comprises a crushing barrel (1) and a crushing component (4) arranged in the crushing barrel (1), wherein a first filter screen (5) is fixed in the crushing barrel (1), and the first filter screen (5) is obliquely arranged below the crushing component (4); a vertical first spiral feeding machine (6) is arranged on one side of the crushing cylinder (1), a material return opening (11) positioned below the crushing assembly (4) is formed in the peripheral wall of the crushing cylinder (1), and the material return opening (11) is formed above the first filter screen (5) close to the ground; the lower end of the first spiral feeding machine (6) is communicated with the inside of the crushing cylinder (1) through a material return port (11), and the upper end of the first feeding machine is communicated with the inside of the crushing cylinder (1).

2. The concrete recycling apparatus according to claim 1, wherein: the crushing assembly (4) comprises a driving roller (42) and a driven roller (43) which are arranged in the crushing barrel (1), the axes of the driving roller (42) and the driven roller (43) are positioned in the same horizontal plane and are parallel, and a gap in the horizontal direction exists between the driving roller (42) and the driven roller (43); the driving roller (42) and the driven roller (43) are rotationally connected with the inner wall of the crushing barrel (1); the driving roller (42) can be fixed-shaft rotated under the action of the driving unit.

3. The concrete recycling apparatus according to claim 1, wherein: a second filter screen (10) which is horizontally arranged is fixed in the crushing cylinder (1); a grinding component (8) for further refining the concrete crushed by the crushing component (4) is arranged below the second filter screen (10); the diameter of the meshes of the second sieve (10) is equal to the diameter of the meshes of the first sieve (5).

4. The concrete recycling apparatus according to claim 3, wherein: the grinding assembly (8) comprises a second motor (81) fixed below the crushing cylinder (1); a rotating shaft (82) vertically penetrating through the bottom of the crushing barrel (1) and extending towards the inside of the crushing barrel (1) is fixed on an output shaft of the second motor (81); a grinding block (83) is fixed at the upper end of the rotating shaft (82), a gap exists between the peripheral surface of the grinding block (83) and the inner wall of the crushing barrel (1), and the gap is smaller than the diameter of the meshes on the first filter screen (5); the peripheral surface of the grinding block (83) and the inner wall of the grinding cylinder (1) can extrude and grind the concrete.

5. The concrete recycling apparatus according to claim 4, wherein: the grinding block (83) is in a circular truncated cone shape, the diameter of the cross section of the grinding block (83) is gradually increased from top to bottom, namely, the gap between the peripheral surface of the grinding block (83) and the inner wall of the crushing barrel (1) is gradually reduced from top to bottom.

6. The concrete recycling apparatus according to claim 5, wherein: the upper surface of the grinding block (83) is provided with a material sliding table (84), the material sliding table (84) is conical, and the lower surface of the material sliding table (84) is fixedly connected with the upper surface of the grinding block (83).

7. The concrete recycling apparatus according to claim 3, wherein: a material guide pipe (9) communicated with the interior of the first spiral feeding machine (6) is arranged below the first spiral feeding machine (6), and a third filter screen (7) is arranged between the material guide pipe (9) and the first spiral feeding machine (6); one end, far away from the first spiral feeding machine (6), of the material guide pipe (9) is communicated with the interior of the crushing barrel (1), and one end, far away from the first spiral feeding machine (6), of the material guide pipe (9) extends towards the position between the first filter screen (5) and the second filter screen (10); the diameter of the meshes of the third filter screen (7) is equal to that of the meshes of the first filter screen (5).

8. The concrete recycling apparatus according to claim 1, wherein: one side of the crushing barrel (1) is provided with a second spiral feeding machine (3) used for adding concrete blocks into the crushing barrel (1).

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