CN218879753U

CN218879753U - Pretreatment device for recycled concrete

Info

Publication number: CN218879753U
Application number: CN202320146196.XU
Authority: CN
Inventors: 严皮文
Original assignee: Ezhou Xingyu Commercial Concrete Co ltd
Current assignee: Ezhou Xingyu Commercial Concrete Co ltd
Priority date: 2023-02-08
Filing date: 2023-02-08
Publication date: 2023-04-18
Anticipated expiration: 2033-02-08

Abstract

The utility model discloses a pretreatment device for recycled concrete, including the mixing box, the top fixedly connected with crushing tank of mixing box, the bottom fixed mounting of crushing tank has the unloading pipe, the unloading pipe is linked together with crushing tank, the bottom of unloading pipe extends to in the mixing box, the top fixedly connected with agitator tank of mixing box, the bottom fixed mounting of agitator tank has the grout pipe, the grout pipe is linked together with agitator tank, the bottom of grout pipe extends to in the mixing box, be provided with in the mixing box and be used for contacting the mixing mechanism who soaks recycled concrete and grout completely; the utility model relates to the technical field of recycled concrete; this processing apparatus before for recycled concrete can mix the soaking treatment with the recycled concrete after the breakage with the mud liquid through the compounding mechanism that sets up to can improve the void structure that regeneration was gathered materials to a certain extent, improve the quality that regeneration was gathered materials, the result of use is better.

Description

Pretreatment device for recycled concrete

Technical Field

The utility model relates to a recycled concrete technical field specifically is a processing apparatus before recycled concrete uses.

Background

The regenerated concrete is prepared by crushing, cleaning and grading waste concrete blocks, mixing the crushed, cleaned and graded concrete blocks with a grading agent according to a certain proportion, partially or completely replacing natural aggregates such as sand stones and the like, and adding cement, water and the like. The slurry is used for soaking and drying the regenerated aggregate to improve the void structure of the regenerated aggregate, thereby improving the quality of the regenerated aggregate.

Publication No. CN215783643U discloses a pretreatment device for recycled concrete, which comprises a shell, wherein a feed hopper, a crushing mechanism, a material guide hopper and a screening mechanism are sequentially arranged in the shell from top to bottom; the screening mechanism comprises a hemispherical screen; the bottom of the shell is provided with a first discharge hole for discharging coarse aggregates, a second discharge hole for discharging fine aggregates and an annular groove for assembling a screen mesh, and the first discharge hole and the second discharge hole are respectively positioned at the outer side and the inner side of the annular groove; the top of the material guide hopper is hermetically connected with the inner wall of the shell, and the bottom of the material guide hopper is positioned right above the middle part of the screen. Its utility model has the advantages of simple structure, the practicality is good, work efficiency is high, equipment cost is low and maintain and overhaul the convenience, carries out crushing treatment to abandonment concrete through crushing mechanism, sieves the abandonment concrete behind the crushing treatment into coarse aggregate and fine aggregate through screening mechanism, and it is effectual to sieve, and the separation efficiency and the separation rate that coarse aggregate and fine aggregate are high.

However, the treatment device has the following defects that when the recycled concrete is crushed and reused, the performance of the crushed aggregate is poorer than that of natural aggregate, so that the performance of the concrete is poorer in the using process, the strength is lower, and the using effect is influenced.

Therefore, the utility model provides a preceding processing apparatus is used to recycled concrete to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a processing apparatus before recycled concrete used has solved above-mentioned problem.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a pretreatment device for recycled concrete comprises a mixing box, wherein the top of the mixing box is fixedly connected with a crushing tank, the bottom of the crushing tank is fixedly provided with a blanking pipe, the blanking pipe is communicated with the crushing tank, the bottom end of the blanking pipe extends into the mixing box, the top of the mixing box is fixedly connected with a stirring tank, the bottom of the stirring tank is fixedly provided with a slurry discharging pipe, the slurry discharging pipe is communicated with the stirring tank, the bottom end of the slurry discharging pipe extends into the mixing box, and a mixing mechanism for completely contacting and soaking the recycled concrete and cement slurry is arranged in the mixing box;

the compounding mechanism includes the baffle of fixed mounting in the mixing box, set up two symmetric distribution's circulation opening on the baffle, one side inner wall of mixing box rotates installs two augers, two the auger distributes in the both sides of baffle, two the spiral opposite direction of auger.

Preferably, the one end of auger is rotated and is extended to outside the mixing box, one side outer wall fixed mounting of mixing box has first motor, the output shaft of first motor and the auger one end fixed connection who corresponds, fixed cover is equipped with synchronizing wheel, two on the auger the winding has same belt between the synchronizing wheel, and first motor, synchronizing wheel and the belt collocation convenient to use that pass through the setting drive two auger synchronous rotations.

Preferably, one side outer wall fixed mounting who smashes the jar has the second motor, the output shaft fixedly connected with pivot of second motor, the one end of pivot is rotated and is extended to in smashing the jar, fixed cover is equipped with a plurality of broken running rollers in the pivot, the inner wall welding of smashing the jar has a plurality of broken cutters, and second motor, pivot, broken running roller and the broken cutter collocation convenient to use through setting carry out the breakage to the concrete caking.

Preferably, the welding of the top of smashing the jar has the material pouring pipe, the material pouring pipe is linked together with smashing jar inside, the swash plate has all been welded to the both sides inner wall of material pouring pipe, through the material pouring pipe that sets up and swash plate collocation convenient to use add recycled concrete to smashing the jar in, can prevent that recycled concrete from pounding broken cutter simultaneously.

Preferably, the top of agitator tank is rotated and is run through and install two dwangs, fixed cover is equipped with a plurality of stirring rakes on the dwang, the top of agitator tank is run through and is installed two blowing fill, stirs cement and water in the agitator tank through the dwang and the stirring rake that set up conveniently, makes its misce bene.

Preferably, the welding of the top of agitator tank has the protection casing, the top of dwang extends to in the protection casing, fixed cover is equipped with driven gear on the dwang, the actuating lever is installed in the top rotation of agitator tank, fixed cover is equipped with the driving gear on the actuating lever, the driving gear all meshes with two driven gear, the top inner wall fixed mounting of protection casing has the third motor, the output shaft of third motor and the top fixed connection of actuating lever can conveniently drive two dwang synchronous rotations through protection casing, driven gear, actuating lever, driving gear and the third motor collocation use that sets up.

Preferably, fixed mounting has first ooff valve on the unloading pipe, fixed mounting has the second ooff valve on the thick liquid pipe down, the bottom of compounding box is run through and is installed row material pipe, fixed mounting has the third ooff valve on arranging the material pipe, and first ooff valve, second ooff valve, row material pipe and the third ooff valve collocation use through setting up can conveniently regenerate concrete and mud and flow, facilitate the use.

Preferably, one side outer wall fixed mounting of compounding case has the PLC controller, the PLC controller is electric connection with first motor, second motor, third motor, first ooff valve, second ooff valve and third ooff valve, the welding of the bottom of compounding case has a plurality of landing legs, conveniently controls relevant electrical part through the PLC controller that sets up, and the operation is simpler.

Advantageous effects

The utility model provides a processing apparatus before recycled concrete is used. Compared with the prior art, the method has the following beneficial effects:

(1) This processing apparatus before for recycled concrete mixes soaking treatment through the compounding mechanism that sets up can mix recycled concrete after the breakage with the mud liquid to can improve the void structure that regeneration was gathered materials to a certain extent, improve the quality that regeneration was gathered materials, the result of use is better.

(2) This processing apparatus before recycled concrete uses can carry out quick crushing to recycled concrete through the broken running roller and the broken cutter collocation use that set up, avoids the recycled concrete caking, can carry out intensive mixing to mud through the stirring rake that sets up simultaneously, makes its distribution even, and it is better to soak the effect.

Drawings

Fig. 1 is a perspective view of the external structure of the present invention;

FIG. 2 is a schematic front sectional view of the present invention;

FIG. 3 is a schematic structural view of a material mixing mechanism of the present invention;

fig. 4 is an assembly view of the transfer lever, the driven gear, the driving lever and the driving gear of the present invention.

In the figure: 1. a mixing box; 2. a grinding tank; 3. a discharging pipe; 4. a stirring tank; 5. a slurry feeding pipe; 6. a partition plate; 7. a circulation port; 8. a packing auger; 9. a first motor; 10. a synchronizing wheel; 11. a belt; 12. a second motor; 13. a rotating shaft; 14. crushing rollers; 15. crushing and cutting the cutter; 16. pouring a material pipe; 17. a sloping plate; 18. rotating the rod; 19. a stirring paddle; 20. a discharge hopper; 21. a protective cover; 22. a driven gear; 23. a drive rod; 24. a driving gear; 25. a third motor; 26. a first on-off valve; 27. a second on-off valve; 28. a discharge pipe; 29. a third on-off valve; 30. a PLC controller; 31. and (7) supporting legs.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

The first embodiment is as follows:

referring to fig. 2 and 3, a pretreatment device for recycled concrete includes a mixing box 1, the top of the mixing box 1 is fixedly connected with a crushing tank 2, the bottom of the crushing tank 2 is fixedly provided with a blanking pipe 3, the blanking pipe 3 is communicated with the crushing tank 2, the bottom end of the blanking pipe 3 extends into the mixing box 1, the top of the mixing box 1 is fixedly connected with a stirring tank 4, the bottom of the stirring tank 4 is fixedly provided with a lower slurry pipe 5, the lower slurry pipe 5 is communicated with the stirring tank 4, the bottom end of the lower slurry pipe 5 extends into the mixing box 1, and a mixing mechanism for completely contacting and soaking recycled concrete and cement slurry is arranged in the mixing box 1;

the mixing mechanism comprises a partition plate 6 fixedly arranged in the mixing box 1, a partition plate 6 divides the inner space of the mixing box 1 into two parts, two circulation through openings 7 which are symmetrically distributed are formed in the partition plate 6, two packing augers 8 are rotatably arranged on the inner wall of one side of the mixing box 1, the two packing augers 8 are distributed on two sides of the partition plate 6, and the spiral directions of the two packing augers 8 are opposite; a first switch valve 26 is fixedly arranged on the blanking pipe 3, a second switch valve 27 is fixedly arranged on the blanking pipe 5, a discharging pipe 28 is arranged at the bottom of the mixing box 1 in a penetrating manner, and a third switch valve 29 is fixedly arranged on the discharging pipe 28; the outer wall of one side of the mixing box 1 is fixedly provided with a PLC (programmable logic controller) 30, the PLC 30 is electrically connected with the first motor 9, the second motor 12, the third motor 25, the first switch valve 26, the second switch valve 27 and the third switch valve 29, and a plurality of support legs 31 are welded at the bottom of the mixing box 1.

Example two:

referring to fig. 1 to 4, the present embodiment provides a technical solution based on the first embodiment: one end of the packing auger 8 rotatably extends out of the mixing box 1, a first motor 9 is fixedly installed on the outer wall of one side of the mixing box 1, an output shaft of the first motor 9 is fixedly connected with one end of the corresponding packing auger 8, a synchronizing wheel 10 is fixedly sleeved on the packing auger 8, and a same belt 11 is wound between the two synchronizing wheels 10; a second motor 12 is fixedly installed on the outer wall of one side of the crushing tank 2, an output shaft of the second motor 12 is fixedly connected with a rotating shaft 13, one end of the rotating shaft 13 rotates and extends into the crushing tank 2, a plurality of crushing rollers 14 are fixedly sleeved on the rotating shaft 13, a plurality of crushing cutters 15 are welded on the inner wall of the crushing tank 2, and the crushing rollers 14 are close to the crushing cutters 15 and can crush large-sized concrete blocks; a material pouring pipe 16 is welded at the top of the crushing tank 2, the material pouring pipe 16 is communicated with the inside of the crushing tank 2, and inclined plates 17 are welded on the inner walls of two sides of the material pouring pipe 16; two rotating rods 18 are rotatably installed at the top of the stirring tank 4 in a penetrating manner, a plurality of stirring paddles 19 are fixedly sleeved on the rotating rods 18, the stirring paddles 19 on the two rotating rods 18 are alternately distributed, and two discharging hoppers 20 are rotatably installed at the top of the stirring tank 4 in a penetrating manner; the top welding of agitator tank 4 has protection casing 21, the top of dwang 18 extends to in the protection casing 21, fixed cover is equipped with driven gear 22 on the dwang 18, the top of agitator tank 4 is rotated and is installed actuating lever 23, fixed cover is equipped with driving gear 24 on the actuating lever 23, driving gear 24 and two driven gear 22 all mesh, the top inner wall fixed mounting of protection casing 21 has third motor 25, the output shaft of third motor 25 and the top fixed connection of actuating lever 23.

And those not described in detail in this specification are well within the skill of those in the art.

The working principle is as follows: when the device is used, a proper amount of recycled concrete is poured into the material pouring pipe 16, so that the recycled concrete can roll into the crushing tank 2 through the inclined plate 17, at the moment, the second motor 12 is started through the PLC 30, the second motor 12 drives the rotating shaft 13 to rotate, the rotating shaft 13 drives the crushing roller 14 to rotate, the recycled concrete blocks in the crushing tank 2 can be crushed through the crushing roller 14 and the crushing cutter 15, and the crushed blocks are crushed into small fragments, so that the subsequent treatment is facilitated; simultaneously, a proper amount of high-strength cement and water are poured into the stirring tank 4 in proportion, the PLC 30 is used for starting the third motor 25, the third motor 25 drives the driving rod 23 to rotate, the driving rod 23 drives the driving gear 24 to rotate, the driving gear 24 drives the two driven gears 22 meshed with the driving gear 24 to rotate, the driven gears 22 drive the rotating rod 18 to rotate, the rotating rod 18 drives the stirring paddle 19 to rotate, the stirring paddle 19 is used for stirring the mixture of the cement and the water to enable the mixture to be uniformly mixed, after stirring is completed, the first switch valve 26 is opened firstly, the regenerated concrete is poured into the mixing box 1 through the discharging pipe 3, the first motor 9 is started simultaneously, the first motor 9 drives the connected auger 8 to rotate, the two augers 8 are enabled to keep rotating synchronously through the synchronizing wheel 10 and the belt 11, the auger 8 moves on one side of the partition board 6 with the regenerated concrete fragments, the second switch valve 27 is opened simultaneously, the slurry in the stirring tank 4 is poured into the mixing box 1 through the lower slurry pipe 5 to enable the fragments to contact with the moving fragments, the fragments can enter the opening of the circulation port 7, meanwhile, the slurry on the other side of the partition board 6 can be discharged in the opposite direction, and the slurry can be discharged from the other side, and the slurry circulation pipe 28 can be more thoroughly soaked in the slurry.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation 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 but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Pretreatment device for recycled concrete, including mixing box (1), its characterized in that: the mixing device comprises a mixing box (1), a crushing tank (2) is fixedly connected to the top of the mixing box (1), a blanking pipe (3) is fixedly installed at the bottom of the crushing tank (2), the blanking pipe (3) is communicated with the crushing tank (2), the bottom end of the blanking pipe (3) extends into the mixing box (1), a stirring tank (4) is fixedly connected to the top of the mixing box (1), a blanking pipe (5) is fixedly installed at the bottom of the stirring tank (4), the blanking pipe (5) is communicated with the stirring tank (4), the bottom end of the blanking pipe (5) extends into the mixing box (1), and a mixing mechanism for completely contacting and soaking recycled concrete and cement slurry is arranged in the mixing box (1);

mixing mechanism includes baffle (6) of fixed mounting in mixing box (1), set up circulation opening (7) of two symmetric distributions on baffle (6), one side inner wall of mixing box (1) is rotated and is installed two auger (8), two auger (8) distribute in the both sides of baffle (6), two the spiral opposite direction of auger (8).

2. The pretreatment device for recycled concrete according to claim 1, wherein: the one end of auger (8) is rotated and is extended to outside mixing box (1), one side outer wall fixed mounting of mixing box (1) has first motor (9), the output shaft of first motor (9) and auger (8) one end fixed connection who corresponds, auger (8) are gone up fixed cover and are equipped with synchronizing wheel (10), two the winding has same belt (11) between synchronizing wheel (10).

3. The pretreatment device for recycled concrete according to claim 2, wherein: one side outer wall fixed mounting who smashes jar (2) has second motor (12), the output shaft fixedly connected with pivot (13) of second motor (12), the one end of pivot (13) is rotated and is extended to in smashing jar (2), fixed cover is equipped with a plurality of broken running rollers (14) in pivot (13), the inner wall welding of smashing jar (2) has a plurality of broken cutters (15).

4. The pretreatment device for recycled concrete according to claim 1, wherein: the top welding of smashing jar (2) has material pouring pipe (16), material pouring pipe (16) and smashing jar (2) inside are linked together, swash plate (17) have all been welded to the both sides inner wall of material pouring pipe (16).

5. The pretreatment device for recycled concrete according to claim 1, wherein: the top of agitator tank (4) is rotated and is run through and install two dwang (18), fixed cover is equipped with a plurality of stirring rakes (19) on dwang (18), the top of agitator tank (4) is run through and is installed two blowing fill (20).

6. The pretreatment device for recycled concrete according to claim 5, wherein: the welding of the top of agitator tank (4) has protection casing (21), the top of dwang (18) extends to in protection casing (21), fixed cover is equipped with driven gear (22) on dwang (18), the top of agitator tank (4) is rotated and is installed actuating lever (23), fixed cover is equipped with driving gear (24) on actuating lever (23), driving gear (24) and two driven gear (22) all mesh, the top inner wall fixed mounting of protection casing (21) has third motor (25), the output shaft of third motor (25) and the top fixed connection of actuating lever (23).

7. The pretreatment device for recycled concrete according to claim 1, wherein: fixed mounting has first ooff valve (26) on unloading pipe (3), fixed mounting has second ooff valve (27) on thick liquid pipe (5) down, the bottom of compounding case (1) is run through and is installed row material pipe (28), fixed mounting has third ooff valve (29) on row material pipe (28).

8. The pretreatment device for recycled concrete according to claim 1, wherein: one side outer wall fixed mounting of compounding case (1) has PLC controller (30), PLC controller (30) and first motor (9), second motor (12), third motor (25), first ooff valve (26), second ooff valve (27) and third ooff valve (29) are electric connection, the bottom welding of compounding case (1) has a plurality of landing legs (31).