CN110665591A - Rotor of recycled concrete aggregate mortar removing device, device and working method - Google Patents
Rotor of recycled concrete aggregate mortar removing device, device and working method Download PDFInfo
- Publication number
- CN110665591A CN110665591A CN201910991318.3A CN201910991318A CN110665591A CN 110665591 A CN110665591 A CN 110665591A CN 201910991318 A CN201910991318 A CN 201910991318A CN 110665591 A CN110665591 A CN 110665591A
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- China
- Prior art keywords
- rotating
- disc
- rotating shaft
- rotor
- recycled concrete
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
- B02C13/14—Disintegrating by mills having rotary beater elements ; Hammer mills with vertical rotor shaft, e.g. combined with sifting devices
- B02C13/16—Disintegrating by mills having rotary beater elements ; Hammer mills with vertical rotor shaft, e.g. combined with sifting devices with beaters hinged to the rotor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
- B02C13/26—Details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
- B02C13/26—Details
- B02C13/28—Shape or construction of beater elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
- B02C13/26—Details
- B02C13/286—Feeding or discharge
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
- B02C13/26—Details
- B02C13/30—Driving mechanisms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
- B02C13/26—Details
- B02C13/286—Feeding or discharge
- B02C2013/28618—Feeding means
Abstract
The invention discloses a rotor of a recycled concrete aggregate mortar removing device, a device and a working method, wherein the rotor structure comprises a rotating shaft, the rotating shaft is a vertical rotating shaft, the rotating shaft is connected with a rotating disc coaxial with the rotating shaft, the edge part of the rotating disc is provided with an annular retainer ring, and the inner side wall of the annular retainer ring is an arc-shaped surface; the upper disc surface of the turntable is provided with a plurality of radial blades, the front ends of the blades are bent, the bending direction is parallel to the disc surface of the turntable, and the blades are bent towards the same rotating direction; at least one side wall of the blade is an arc-shaped surface, and the orientation of the arc-shaped surface is consistent with the rotating direction of the rotating disc. The recycled concrete aggregate mortar removing device provided by the invention adopts the specially designed rotor, is small in size, high in efficiency, suitable for being carried on a vehicle, and capable of being flexibly applied to construction sites for field construction, so that the recycled concrete aggregate mortar removing device has strong practicability.
Description
Technical Field
The invention relates to the technical field of aggregate processing, in particular to a rotor of a recycled concrete aggregate mortar removing device, a device and a working method.
Background
In recent years, with the acceleration of industrialization and urbanization and the rapid development of the construction industry, the overmining of natural aggregate resources by people leads to the gradual reduction of natural aggregates, so that the attention degree of people on the protection of related natural resources is continuously improved, and the production of recycled aggregates by using waste garbage and other raw materials brought by the construction industry to prepare new concrete becomes an effective way for solving the problem of resource shortage; the quantity of Chinese construction waste accounts for more than one third of the total quantity of urban waste, the huge quantity of construction waste provides abundant resources for preparing aggregates required by new concrete, and the method is an effective way for saving resources and realizing waste utilization at present, but the recycled aggregates prepared by simply crushing waste concrete waste are not uniform in size, and the defects of more edges and corners, rough surface, large quantity of cement mortar which is not dropped and the like exist. The recycled concrete prepared by the recycled aggregate has large water content, low strength after hardening, low elastic modulus, and lower durability such as impermeability, frost resistance, carbonization resistance, shrinkage, creep and chloride ion permeability resistance than common concrete.
In order to improve the performance of recycled concrete, the low-quality recycled aggregate obtained by simple crushing needs to be subjected to strengthening treatment, namely, the performance of the aggregate is improved by improving the particle shape of the aggregate and removing hardened set cement attached to the surface of the recycled aggregate. In the prior art, a vertical crusher or a ball mill is often adopted to carry out strengthening treatment on recycled aggregate, the crusher is easy to cause secondary crushing of the aggregate, and the granularity of the aggregate is reduced and cannot meet the use requirement. The adoption of the ball mill can avoid the crushing of the aggregate and effectively remove the mortar on the surface of the aggregate, but the ball mill has low filling rate and large volume during the operation and cannot be carried on a vehicle. The recycling of concrete aggregate is often carried out on site, which limits its usefulness.
Disclosure of Invention
The invention aims to provide a rotor of a recycled concrete aggregate mortar removing device, a device and a working method, which aim to solve the problems in the background technology.
A rotor of a recycled concrete aggregate mortar removing device comprises a rotating shaft, wherein the rotating shaft is a vertical rotating shaft, a rotating disc coaxial with the rotating shaft is connected to the rotating shaft, an annular retaining ring is arranged at the edge part of the rotating disc, and the inner side wall of the annular retaining ring is an arc-shaped surface; the upper disc surface of the turntable is provided with a plurality of radial blades, the front ends of the blades are bent, the bending direction is parallel to the disc surface of the turntable, and the blades are bent towards the same rotating direction; at least one side wall of the blade is an arc-shaped surface, and the orientation of the arc-shaped surface is consistent with the rotating direction of the rotating disc.
Preferably, the blades extend to the edge part of the rotating disk along the axial center of the rotating disk.
Preferably, a material separating cone is arranged at the axis of the rotating disc.
Based on the rotor, the invention claims a recycled concrete aggregate mortar removing device, which comprises a cylindrical shell and the rotor arranged in the shell, wherein the rotor is structurally as described above; the bottom of the rotating shaft is in transmission connection with a driving motor, and a feeding hole is formed in the shell body right above the rotor.
Preferably, the rotating shaft is provided with a plurality of rotating discs along the height direction of the rotating shaft, an annular material guide disc is arranged between every two adjacent rotating discs, the outer side part of the annular material guide disc is connected with the shell, and the inner side of the annular material guide disc inclines downwards and extends to the axis of the rotating discs.
Preferably, the upper portion of the uppermost layer of the rotating disc is provided with a disc cover, a discharging gap is reserved between the edge portion of the disc cover and the annular retainer ring of the rotating disc, a through hole is formed in the center of the disc cover and connected with a discharging barrel, and the discharging barrel is located right below the feeding hole.
The invention also claims a working method of the recycled concrete aggregate mortar removing device, and the rotating direction of the rotary table is consistent with the bending direction of the front end of the blade.
In another working method of the recycled concrete aggregate mortar removing device, the rotating direction of the rotating disc is opposite to the bending direction of the front end of the blade.
The invention has the beneficial effects that: the recycled concrete aggregate mortar removing device provided by the invention adopts the specially designed rotor, and when the rotor rotates, the aggregates roll on the disc surface continuously and are mutually ground, so that the mortar on the surface of the recycled aggregates can be effectively removed, the recycled aggregates can be prevented from being crushed for the second time, the aggregate granularity is ensured, and the service performance of the recycled aggregates is improved. In addition, the key, this device is small, and is efficient, is fit for on-vehicle, can apply to the building site in a flexible way and carry out the site operation, consequently has stronger practicality.
Drawings
FIG. 1 is a schematic half-section view of a rotor of the present invention;
FIG. 2 is a perspective view of a rotor of the present invention;
FIG. 3 is a schematic top view of the rotor of the present invention with the disk cover removed;
FIG. 4 is a cross-sectional view A-A of one configuration of the blade of FIG. 3;
FIG. 5 is a cross-sectional view A-A of an alternative configuration of the blade of FIG. 3;
FIG. 6 is a schematic structural view of the apparatus for removing recycled concrete aggregate mortar of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Referring to fig. 1-4, a rotor of a recycled concrete aggregate mortar removing device comprises a rotating shaft 5, wherein the rotating shaft is a vertical rotating shaft, namely, the axis direction of the rotating shaft is vertical to the horizontal plane when the rotating shaft works, the rotating shaft is connected with a rotating disc 4 coaxial with the rotating shaft, an annular retainer ring 11 is arranged on the edge part of the rotating disc 4, and the inner side wall of the annular retainer ring 11 is an arc-shaped surface; the upper disc surface of the rotary disc 4 is provided with a plurality of radial blades 3, the front ends of the blades are bent, the bending direction is parallel to the disc surface of the rotary disc 4, and the blades are bent towards the same rotating direction; at least one side wall of the blade is an arc-shaped surface, and the orientation of the arc-shaped surface is consistent with the rotating direction of the rotating disc. In the above description, the arc surfaces of the inner side wall of the annular retainer ring 11 and the side wall of the vane 3 are both arc surfaces which are vertically curved. When the recycling device works, recycled aggregate falls into the rotary table along the center of the rotary table, and when the rotary table rotates, the aggregate is driven by the friction force of the surface of the rotary table to do centrifugal motion, diffuses to the edge part of the rotary table and is blocked by the annular retaining ring; meanwhile, the speed difference exists between the aggregate and the rotating disc along the circumferential direction, and the aggregate also moves relatively in the circumferential direction and is blocked by the blades on the disc surface. The two functions enable the aggregates to roll along the arc-shaped surface of the annular retainer ring or the blades continuously, the aggregates collide and are ground, mortar on the surfaces of the aggregates gradually falls off, and the effect of removing the mortar on the surfaces of the aggregates is achieved. Aggregate produces appropriate amount and assaults crossing blade arcwall face and annular retaining ring arcwall face combination department, is favorable to, when rising along the retaining ring arcwall face, frictional force aggravation.
In the above scheme, the blades 3 extend to the edge part of the rotary table along the axis of the rotary table, and the blades have enough length, so that the effect of driving the aggregates to roll by the blades can be enhanced.
In addition, the axle center of the turntable 4 is provided with a material separating cone 6, and the falling aggregate is separated along the material separating cone 6, so that the aggregate can be uniformly distributed along all directions of the turntable.
In the scheme, the diameter of the rotary table can be set to be about 2m, and the size of the rotary table is suitable for vehicle-mounted transportation. In addition, the blades are connected with the rotary table, and the rotary table is connected with the rotary shaft through bolts, so that the blades are convenient to disassemble, replace and maintain.
Example 2
Based on the rotor structure disclosed in embodiment 1, the present embodiment further discloses a recycled concrete aggregate mortar removing apparatus, as shown in fig. 6, including a cylindrical housing 8 and a rotor disposed inside the housing, the rotor structure is as described above; the bottom of the rotating shaft is connected with a driving motor in a transmission way, and a feeding hole 9 is formed in the shell body right above the rotor. The crushed recycled aggregate is added along the feeding hole and just falls into the center of the turntable 4, and the turntable 4 rotates to remove mortar from the recycled aggregate.
In this embodiment, the rotating shaft 5 is provided with a plurality of rotating discs along the height direction thereof, and certainly, only a single rotating disc can be adopted, and the plurality of rotating discs can prolong the grinding flow of the aggregate, thereby ensuring the mortar removal effect. As shown in fig. 3, 3 rotating discs 4 are arranged on the rotating shaft 5. Aiming at the structure, in order to realize that the aggregates scattered by the upper layer of the turnplate flow to the center of the lower layer of the turnplate, an annular material guide plate 10 is arranged between the adjacent turnplates 4, the outer side part of the annular material guide plate is connected with the shell, and the inner side of the annular material guide plate inclines downwards and extends to the axis of the turnplate.
In addition, because the initial speed of the aggregates falling into the feeding hole is high, in order to prevent the aggregates falling into the feeding hole from splashing under the action of disc surface impact during blanking, still referring to fig. 1 and 2, the upper part of the uppermost layer of the turntable is provided with the disc cover 2, a discharging gap is reserved between the edge part of the disc cover and the annular retainer ring of the turntable, the center of the disc cover is provided with a through hole, the through hole is connected with the blanking barrel 1, and the blanking barrel is positioned under the feeding hole. The aggregate entering from the feeding hole falls along the feeding barrel, the disc cover can prevent the aggregate from splashing, and the reserved discharging gap is used as a discharging hole of the aggregate. As shown in fig. 2, in this embodiment, three support legs 7 are disposed at the edge of the cover, and the cover is supported on the disk surface.
Example 3
Based on the device provided in embodiment 2, this embodiment provides a working method of the device, and during operation, the rotation direction of the rotating disk is consistent with the bending direction of the front end of the blade. Like this, the bending segment of blade can play the effect of blockking to the aggregate along radial, and the aggregate is slowed down, and the collision effect between the aggregate and the annular retaining ring of carousel edge portion weakens, and the tumbling of aggregate grinds mainly to take place in the arcwall face department of blade.
Example 4
In another working method, the rotating direction of the rotating disc is opposite to the bending direction of the front end of the blade. The bending section of the blade plays a role in pushing the aggregate along the radial direction, the aggregate is accelerated, and the tumbling and grinding of the aggregate mainly occur at the annular retainer ring at the edge part of the turntable.
Referring to fig. 5, in combination with the above two working methods, both side walls of the blade are provided with arc-shaped surfaces. Correspondingly, the driving motor of the rotating shaft selects a positive and negative rotating motor, and the switching of the two working methods can be flexibly realized through the switching of the motor steering.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.
Claims (8)
1. The utility model provides a recycled concrete aggregate mortar remove device's rotor which characterized in that: the rotating shaft is a vertical rotating shaft, a rotating disc coaxial with the rotating shaft is connected to the rotating shaft, an annular retainer ring is arranged on the edge of the rotating disc, and the inner side wall of the annular retainer ring is an arc-shaped surface; the upper disc surface of the turntable is provided with a plurality of radial blades, the front ends of the blades are bent, the bending direction is parallel to the disc surface of the turntable, and the blades are bent towards the same rotating direction; at least one side wall of the blade is an arc-shaped surface, and the orientation of the arc-shaped surface is consistent with the rotating direction of the rotating disc.
2. The rotor of a recycled concrete aggregate mortar removal apparatus according to claim 1, characterized in that: the blades extend to the edge part of the rotating disc along the axis of the rotating disc.
3. The rotor of a recycled concrete aggregate mortar removal apparatus according to claim 1, characterized in that: and a material separating cone is arranged at the axis of the turntable.
4. The utility model provides a recycled concrete aggregate mortar remove device which characterized in that: comprising a cylindrical housing and a rotor arranged inside the housing, the rotor being as claimed in any one of claims 1-3; the bottom of the rotating shaft is in transmission connection with a driving motor, and a feeding hole is formed in the shell body right above the rotor.
5. The recycled concrete aggregate mortar removal apparatus according to claim 4, wherein: the rotating shaft is provided with a plurality of rotating discs along the height direction of the rotating shaft, an annular material guide disc is arranged between every two adjacent rotating discs, the outer side portion of the annular material guide disc is connected with the shell, and the inner side of the annular material guide disc inclines downwards and extends to the axis of each rotating disc.
6. The recycled concrete aggregate mortar removal apparatus according to claim 4, wherein: the upper portion of the uppermost layer turntable is provided with a disk cover, a discharging gap is reserved between the edge portion of the disk cover and the annular retainer ring of the turntable, a through hole is formed in the center of the disk cover and connected with a discharging barrel, and the discharging barrel is located right below the feeding hole.
7. The working method of the recycled concrete aggregate mortar removing apparatus according to claim 6, characterized in that: the rotating direction of the rotating disc is consistent with the bending direction of the front ends of the blades.
8. The working method of the recycled concrete aggregate mortar removing apparatus according to claim 6, characterized in that: the rotating direction of the rotating disc is opposite to the bending direction of the front ends of the blades.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910991318.3A CN110665591B (en) | 2019-10-18 | 2019-10-18 | Rotor of recycled concrete aggregate mortar removing device, device and working method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910991318.3A CN110665591B (en) | 2019-10-18 | 2019-10-18 | Rotor of recycled concrete aggregate mortar removing device, device and working method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110665591A true CN110665591A (en) | 2020-01-10 |
| CN110665591B CN110665591B (en) | 2021-02-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910991318.3A Active CN110665591B (en) | 2019-10-18 | 2019-10-18 | Rotor of recycled concrete aggregate mortar removing device, device and working method |
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| CN1311061A (en) * | 2001-02-13 | 2001-09-05 | 黄敏彦 | Centrifugal mud and water separator |
| JP2004089952A (en) * | 2002-09-03 | 2004-03-25 | Okumura Corp | Method and apparatus for removing unnecessaries from concrete debris |
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| CN207546965U (en) * | 2017-11-16 | 2018-06-29 | 邢台建工商品混凝土有限公司 | Sandstone slurry water separating device |
| CN108405137A (en) * | 2018-03-01 | 2018-08-17 | 无锡科技职业学院 | A kind of super-fine classified device |
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| CN109622146A (en) * | 2019-01-31 | 2019-04-16 | 长沙紫宸科技开发有限公司 | A kind of equipment by discarded concrete separation sand processed, stone and alumino-silicate material |
| CN208809835U (en) * | 2018-09-18 | 2019-05-03 | 张家港市沃尔特精密机械有限公司 | A kind of adjustable powder discharger of internal structure |
| CN209222248U (en) * | 2018-12-03 | 2019-08-09 | 云南昆鼎机械设备有限公司 | A kind of centrifugal sand making machine |
| CN209224344U (en) * | 2018-11-20 | 2019-08-09 | 青岛海尔电子塑胶有限公司 | A kind of particles blanking funnel |
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2019
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|---|---|---|---|---|
| DE2546391A1 (en) * | 1973-06-15 | 1977-04-21 | Gekaton Abwasserrohr Gmbh & Co | Centrifugally cast concrete pipe - produced from aggregates having controlled grain size distribution |
| CN1311061A (en) * | 2001-02-13 | 2001-09-05 | 黄敏彦 | Centrifugal mud and water separator |
| JP2004089952A (en) * | 2002-09-03 | 2004-03-25 | Okumura Corp | Method and apparatus for removing unnecessaries from concrete debris |
| CN1520924A (en) * | 2003-02-12 | 2004-08-18 | �Ҵ���˾ | Powder pugmill system |
| JP2005335973A (en) * | 2004-05-24 | 2005-12-08 | Nakayama Iron Works Ltd | Apparatus for regenerating aggregate for concrete |
| CN203114726U (en) * | 2013-01-23 | 2013-08-07 | 苏州维益流体科技有限公司 | Grooving structure used for impeller |
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| CN203525793U (en) * | 2013-10-29 | 2014-04-09 | 佛山市世冠化工科技有限公司 | Multi-section type paint particle separation sand mill |
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| Publication number | Publication date |
|---|---|
| CN110665591B (en) | 2021-02-26 |
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