CN112221614A - Treatment equipment and treatment method for recycled aggregate - Google Patents
Treatment equipment and treatment method for recycled aggregate Download PDFInfo
- Publication number
- CN112221614A CN112221614A CN202011095024.1A CN202011095024A CN112221614A CN 112221614 A CN112221614 A CN 112221614A CN 202011095024 A CN202011095024 A CN 202011095024A CN 112221614 A CN112221614 A CN 112221614A
- Authority
- CN
- China
- Prior art keywords
- grinding cylinder
- recycled aggregate
- grinding
- heating tank
- powder
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
- B02C17/02—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls with perforated container
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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
- B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
- B02C17/10—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls with one or a few disintegrating members arranged in the container
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
- B02C17/18—Details
- B02C17/24—Driving mechanisms
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B20/00—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
- C04B20/02—Treatment
- C04B20/026—Comminuting, e.g. by grinding or breaking; Defibrillating fibres other than asbestos
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B20/00—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
- C04B20/02—Treatment
- C04B20/04—Heat treatment
Abstract
The invention provides a treatment device and a treatment method for recycled aggregate, wherein the treatment device comprises a heating tank, a grinding cylinder and a rotating motor, a heating device is arranged in the heating tank, the grinding cylinder is arranged in the heating tank, and the rotating motor can drive the grinding cylinder to rotate when working. A plurality of steel balls for grinding are stored in the grinding cylinder, and the periphery of the grinding cylinder is provided with a sieve mesh for powder to fall. When the grinding cylinder rotates, the materials in the grinding cylinder continuously roll and generate friction with the steel balls, cement mortar adhered to the surface of the recycled aggregate is broken and changed into powder, and the powder is thrown out of the sieve mesh of the grinding cylinder. And taking the ground recycled aggregate out of the grinding cylinder, and taking out the steel balls from the recycled aggregate to obtain the dry and clean recycled aggregate. Therefore, the treatment equipment can effectively remove the moisture in the recycled aggregate and the cement mortar adhered to the surface of the recycled aggregate by drying and grinding the recycled aggregate.
Description
Technical Field
The invention belongs to the field of recycled aggregate purification equipment, and particularly relates to treatment equipment and a treatment method for removing cement mortar on the surface of recycled aggregate.
Background
With the enhancement of the concept of sustainable development and the development of science and technology, more and more solid wastes can be recycled, and most of the solid wastes become recycled aggregates. The materials for producing the recycled aggregate comprise waste concrete, broken bricks, tiles, glass, ceramics, furnace slag, mineral waste, gypsum, waste plastics, waste rubber, tires, wood, waste paper and the like which are subjected to specific treatment, crushing, grading and mixing according to a certain proportion, and the formed aggregate meeting different use requirements is the recycled aggregate. The aggregate has rough surface, multiple edges and corners, large specific surface area and large water absorption capacity. When the recycled aggregate is processed, cement mortar is adhered to the surface of the recycled aggregate, and the recycled aggregate needs to be dried and purified. For this reason, it is necessary to develop a treatment technique for removing cement mortar from the surface of recycled aggregate.
Disclosure of Invention
The invention provides a treatment device and a treatment method of recycled aggregate, which are used for removing cement mortar on the surface of the recycled aggregate.
The invention is realized in this way, a treatment facility of recycled aggregate, including heating tank, grinding cylinder and rotating electrical machines, there are heating devices in the said heating tank, the said grinding cylinder is mounted into said heating tank, the said rotating electrical machines are connected with the said grinding cylinder drive, the said rotating electrical machines can drive the said grinding cylinder to rotate while working; a plurality of steel balls for grinding are stored in the grinding cylinder, a screen mesh for throwing powder out is arranged on the periphery of the grinding cylinder, one end of the grinding cylinder is a feeding hole, the other end of the grinding cylinder is a discharging hole, and a valve is arranged at the discharging hole of the grinding cylinder; a feed inlet is also formed in one end, close to the feed inlet of the grinding cylinder, of the heating tank; the heating tank is close to the one end of grinding vessel discharge gate also is equipped with the discharge gate, the bottom of heating tank is equipped with and supplies powder exhaust powder discharge port, heating tank and grinding vessel all are inclined to the horizontal direction.
Further, the treatment equipment also comprises a conveyor belt, and the recycled aggregate is input into the grinding cylinder through the conveyor belt.
Further, the inner wall surface of the grinding cylinder is a rough surface.
Furthermore, a plurality of concave-convex structures are arranged on the inner wall surface of the grinding cylinder.
Further, the heating device is an electric heating wire, and the electric heating wire is arranged on the inner wall of the heating tank.
The invention also provides a method for treating recycled aggregate to solve the technical problems, which comprises the following steps:
s1, inputting recycled aggregate into the grinding cylinder through a conveyor belt;
s2, starting a rotating motor and a heating device, heating and grinding, wherein cement mortar adhered to the surface of the recycled aggregate is dried, separated and ground into powder after a period of time, and the powder is thrown out of the grinding cylinder from the sieve mesh under the action of centrifugal force of the grinding cylinder and discharged from a powder discharge port;
s3, accumulating the recycled aggregate at the bottom of the grinding cylinder under the action of gravity, opening a valve, and taking out the steel balls and the recycled aggregate in the grinding cylinder;
and S4, absorbing steel balls in the recycled aggregate by adopting a magnet, and finishing the drying and purification treatment of the recycled aggregate.
Compared with the prior art, the invention has the beneficial effects that:
the recycled aggregate treatment equipment provided by the invention is provided with the heating tank, and can be used for drying recycled aggregates and cement mortar adhered to the surfaces of the recycled aggregates. The grinding cylinder rotates under the drive of the rotating motor, the materials in the grinding cylinder continuously roll and continuously rub the steel balls, and therefore the grinding effect is achieved. The cement mortar adhered on the surface of the recycled aggregate is broken and then becomes powder, and finally is thrown out of the screen mesh under the action of centrifugal force. The recycled aggregate is left in the grinding cylinder because the particle size of the recycled aggregate is larger than the aperture of the screen mesh. And opening a valve, enabling the ground recycled aggregate to flow out of the equipment under the action of gravity, and sucking away steel balls mixed in the recycled aggregate by using a magnet to obtain dry and clean recycled aggregate.
Therefore, the treatment equipment can effectively remove the moisture in the recycled aggregate and the cement mortar adhered to the surface of the recycled aggregate by drying and grinding the recycled aggregate, thereby realizing the drying and purification treatment of the recycled aggregate.
Drawings
FIG. 1 is a schematic structural view of a recycled aggregate treating apparatus according to an embodiment of the present invention;
FIG. 2 is a schematic view showing the construction of a grinding cylinder in the treating apparatus shown in FIG. 1;
FIG. 3 is a flow chart of the treatment of recycled aggregate using the treatment apparatus of the present embodiment.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; the two components can be directly connected or indirectly connected through an intermediate medium, and the two components can be communicated with each other. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1 and 2, a recycled aggregate treatment apparatus according to a preferred embodiment of the present invention is shown, which includes a heating tank 1, a grinding drum 2, a rotating motor 3, and a conveyor belt 4. The recycled aggregate passes through 4 inputs of conveyer belt in the grinding vessel 2, grinding vessel 2 install in the heating tank 1, arranged heating device 11 on the inner wall in the heating tank 1. In the present embodiment, the heating device 11 is a heating wire.
The rotating motor 3 is in transmission connection with the grinding cylinder 2, and the rotating motor 3 can drive the grinding cylinder 2 to rotate when working. Specifically, the rotating motor 3 is fixed on the heating tank 1, and the rotating shaft 31 of the rotating motor 3 is fixedly connected with the grinding cylinder 2.
A plurality of steel balls for grinding are stored in the grinding cylinder 2, and the periphery of the grinding cylinder 2 is provided with a screen mesh 21 for throwing out powder. One end of the grinding cylinder 2 is a feeding hole 22 for inputting the recycled aggregate to be processed, the other end of the grinding cylinder is a discharging hole 23 for outputting the processed recycled aggregate, a valve 24 is arranged at the discharging hole 23 of the grinding cylinder 2, the valve 24 is closed in the rotation process of the grinding cylinder 2, and after the grinding of the grinding cylinder 2 is finished, the valve 24 is opened, and the processed recycled aggregate is taken out.
A feed inlet 12 is also arranged at one end of the heating tank 1 close to the feed inlet 22 of the grinding cylinder 2; the heating tank 1 is close to the one end of grinding vessel 2 discharge gate 23 also is equipped with discharge gate 13, the bottom of heating tank 1 is equipped with and supplies powder exhaust powder discharge port 14.
In order to increase the polishing speed, in practical applications, a plurality of concave-convex structures may be provided on the inner wall surface of the polishing drum 2, or the inner wall surface of the polishing drum 2 may be designed as a rough surface.
The heating tank 1 and the grinding cylinder 2 are both inclined to the horizontal direction. Therefore, the treated recycled aggregate can flow out of the equipment under the action of gravity, and does not need to be taken out manually, so that a large amount of labor can be saved.
Referring to fig. 3, the procedure for treating recycled aggregate using the above-described treatment apparatus is as follows:
s1, inputting the recycled aggregate into the grinding cylinder 2 through the conveyor belt 4;
s2, starting the rotating motor 3 and the heating device 11, heating and grinding, wherein after a period of time, cement mortar adhered to the surface of the recycled aggregate is dried, separated and ground into powder, and the powder is thrown out of the grinding cylinder 2 from the sieve mesh 21 under the action of centrifugal force of the grinding cylinder and discharged from the powder discharge port 14;
s3, accumulating the recycled aggregate at the bottom of the grinding cylinder 2 under the action of gravity, opening the valve 13, and taking out the steel balls in the grinding cylinder 2 and the recycled aggregate together;
and S4, absorbing steel balls in the recycled aggregate by adopting a magnet, and finishing the drying and purification treatment of the recycled aggregate.
The heating tank 1 of the recycled aggregate treating apparatus of the present embodiment can dry the recycled aggregate and cement mortar adhered to the surface of the recycled aggregate. The grinding cylinder 2 rotates under the drive of the rotating motor 3, the materials in the grinding cylinder 2 continuously roll and continuously rub the steel balls, and therefore the grinding effect is achieved. The cement mortar adhered to the surface of the recycled aggregate is disintegrated and then powdered, and finally thrown out of the mesh 21 of the grinding cylinder 2 by the centrifugal force. Since the particle diameter of the recycled aggregate is larger than the pore diameter of the screen mesh, the recycled aggregate remains in the grinding cylinder 2. And taking the ground recycled aggregate out of the equipment, and sucking away steel balls by using a magnet to obtain dry and clean recycled aggregate.
Therefore, the treatment equipment of the embodiment can effectively remove moisture in the recycled aggregate and cement mortar adhered to the surface of the recycled aggregate by drying and grinding the recycled aggregate, thereby realizing the drying and purification treatment of the recycled aggregate.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (6)
1. The treatment equipment for the recycled aggregate is characterized by comprising a heating tank, a grinding cylinder and a rotary motor, wherein a heating device is arranged in the heating tank, the grinding cylinder is arranged in the heating tank, the rotary motor is in transmission connection with the grinding cylinder, and the rotary motor can drive the grinding cylinder to rotate when working; a plurality of steel balls for grinding are stored in the grinding cylinder, a screen mesh for throwing powder out is arranged on the periphery of the grinding cylinder, one end of the grinding cylinder is a feeding hole, the other end of the grinding cylinder is a discharging hole, and a valve is arranged at the discharging hole of the grinding cylinder; a feed inlet is also formed in one end, close to the feed inlet of the grinding cylinder, of the heating tank; the heating tank is close to the one end of grinding vessel discharge gate also is equipped with the discharge gate, the bottom of heating tank is equipped with and supplies powder exhaust powder discharge port, heating tank and grinding vessel all are inclined to the horizontal direction.
2. The processing apparatus according to claim 1, further comprising a conveyor belt through which recycled aggregate is introduced into the grinding drum.
3. The processing apparatus according to claim 1 or 2, wherein an inner wall surface of the grinding vessel is a rough surface.
4. The processing apparatus according to claim 1 or 2, wherein the inner wall surface of the grinding cylinder is provided with a plurality of concave-convex structures.
5. The treating apparatus according to claim 1 or 2, wherein the heat generating means is a heating wire, and the heating wire is disposed on an inner wall of the heating tank.
6. A method for treating recycled aggregate using the treatment apparatus of any one of claims 1 to 5, comprising the steps of:
s1, inputting recycled aggregate into the grinding cylinder through a conveyor belt;
s2, starting a rotating motor and a heating device, heating and grinding, wherein cement mortar adhered to the surface of the recycled aggregate is dried, separated and ground into powder after a period of time, and the powder is thrown out of the grinding cylinder from the sieve mesh under the action of centrifugal force of the grinding cylinder and discharged from a powder discharge port;
s3, accumulating the recycled aggregate at the bottom of the grinding cylinder under the action of gravity, opening a valve, and taking out the steel balls and the recycled aggregate in the grinding cylinder;
and S4, absorbing steel balls in the recycled aggregate by adopting a magnet, and finishing the drying and purification treatment of the recycled aggregate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011095024.1A CN112221614A (en) | 2020-10-13 | 2020-10-13 | Treatment equipment and treatment method for recycled aggregate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011095024.1A CN112221614A (en) | 2020-10-13 | 2020-10-13 | Treatment equipment and treatment method for recycled aggregate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112221614A true CN112221614A (en) | 2021-01-15 |
Family
ID=74112656
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011095024.1A Pending CN112221614A (en) | 2020-10-13 | 2020-10-13 | Treatment equipment and treatment method for recycled aggregate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112221614A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113976259A (en) * | 2021-11-22 | 2022-01-28 | 山东省舜泰工程检测鉴定集团有限公司 | Vibrating soil grinder |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1727086A (en) * | 2004-07-29 | 2006-02-01 | 三兴综合环境（株） | Stripping device for recycled aggregate |
| CN205288570U (en) * | 2015-12-17 | 2016-06-08 | 天津长园电子材料有限公司 | Ball grinding mill |
| CN107999371A (en) * | 2017-12-30 | 2018-05-08 | 贵州大学 | A kind of drum-type grader |
| CN207745924U (en) * | 2017-12-05 | 2018-08-21 | 常熟理工学院 | Cylinder crushing device |
| CN211290839U (en) * | 2019-10-31 | 2020-08-18 | 四川辉氏生物技术有限公司 | Traditional chinese veterinary medicine drying device |
-
2020
- 2020-10-13 CN CN202011095024.1A patent/CN112221614A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1727086A (en) * | 2004-07-29 | 2006-02-01 | 三兴综合环境（株） | Stripping device for recycled aggregate |
| CN205288570U (en) * | 2015-12-17 | 2016-06-08 | 天津长园电子材料有限公司 | Ball grinding mill |
| CN207745924U (en) * | 2017-12-05 | 2018-08-21 | 常熟理工学院 | Cylinder crushing device |
| CN107999371A (en) * | 2017-12-30 | 2018-05-08 | 贵州大学 | A kind of drum-type grader |
| CN211290839U (en) * | 2019-10-31 | 2020-08-18 | 四川辉氏生物技术有限公司 | Traditional chinese veterinary medicine drying device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113976259A (en) * | 2021-11-22 | 2022-01-28 | 山东省舜泰工程检测鉴定集团有限公司 | Vibrating soil grinder |
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210115 |
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| RJ01 | Rejection of invention patent application after publication |