CN113769872A - Concrete crushing and recycling equipment - Google Patents
Concrete crushing and recycling equipment Download PDFInfo
- Publication number
- CN113769872A CN113769872A CN202111083716.9A CN202111083716A CN113769872A CN 113769872 A CN113769872 A CN 113769872A CN 202111083716 A CN202111083716 A CN 202111083716A CN 113769872 A CN113769872 A CN 113769872A
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- Prior art keywords
- box body
- grinding
- hammering
- screening
- cavity box
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- 239000004567 concrete Substances 0.000 title claims abstract description 73
- 238000004064 recycling Methods 0.000 title abstract description 10
- 238000012216 screening Methods 0.000 claims abstract description 86
- 238000001914 filtration Methods 0.000 claims abstract description 15
- 230000007246 mechanism Effects 0.000 claims abstract description 13
- 239000000463 material Substances 0.000 claims description 20
- 239000004744 fabric Substances 0.000 claims description 2
- 238000011084 recovery Methods 0.000 claims 8
- 230000000694 effects Effects 0.000 abstract description 9
- 239000002699 waste material Substances 0.000 description 16
- 239000002245 particle Substances 0.000 description 11
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 3
- 239000008187 granular material Substances 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000010009 beating Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
Images
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
- B02C21/00—Disintegrating plant with or without drying of the material
-
- 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
- B02C13/18—Disintegrating by mills having rotary beater elements ; Hammer mills with vertical rotor shaft, e.g. combined with sifting devices with beaters rigidly connected to the rotor
-
- 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
- B02C13/2804—Shape or construction of beater elements the beater elements being rigidly connected 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
- B02C2/00—Crushing or disintegrating by gyratory or cone crushers
- B02C2/10—Crushing or disintegrating by gyratory or cone crushers concentrically moved; Bell crushers
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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
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
- B02C23/10—Separating or sorting of material, associated with crushing or disintegrating with separator arranged in discharge path of crushing or disintegrating zone
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
- B02C23/14—Separating or sorting of material, associated with crushing or disintegrating with more than one separator
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C2201/00—Codes relating to disintegrating devices adapted for specific materials
- B02C2201/02—Codes relating to disintegrating devices adapted for specific materials for reinforced concrete
Abstract
The invention relates to concrete crushing and recycling equipment, which comprises a box body, wherein the box body comprises a hammering cavity box body and a grinding cavity box body positioned below the hammering cavity box body, a screening and filtering mechanism is respectively connected between the hammering cavity box body and the grinding cavity box body and below the grinding cavity box body, a hammering hammer is arranged in the hammering cavity box body and is fixed on a rotating shaft A, the top end of the rotating shaft A is rotatably connected at the central position of the top end surface of the hammering cavity box body, a drawing plate is arranged below the hammering cavity box body, the drawing plate is in left-right sliding connection with the inner side surface of the hammering cavity box body, the grinding cavity box body and the screening box body are fixedly connected, grinding blocks are arranged in the grinding cavity box body and are fixed on a rotating shaft B, the top end and the bottom end of the rotating shaft B are respectively rotatably connected on a rotating support frame which is positioned in the grinding cavity box body and is close to the top end and the bottom end, the rotating shaft A and the rotating shaft B are respectively connected with a motor; the invention has high working efficiency and good concrete crushing effect.
Description
Technical Field
The invention belongs to the technical field of concrete processing equipment, and particularly relates to concrete crushing and recycling equipment.
Background
When a waste building is dismantled, a large amount of building waste is generated, wherein the building waste comprises a large amount of reinforced concrete blocks, most of the existing waste concrete blocks are directly buried in the waste concrete blocks, so that the environment is damaged, the resource waste is caused, in order to reduce the resource waste, some building sites or enterprises can recycle and crush the waste concrete blocks for reuse, most of the existing concrete crushing mechanisms have low working efficiency, and the concrete crushing effect is poor; therefore, it is necessary to provide a concrete crushing and recycling device with high working efficiency, relatively uniform particle size and good crushing effect.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide the concrete crushing and recycling equipment which is high in working efficiency, relatively uniform in particle size and good in crushing effect.
The purpose of the invention is realized as follows: a concrete crushing and recycling device comprises a box body, wherein the box body comprises a hammering cavity box body and a grinding cavity box body positioned below the hammering cavity box body, screening and filtering mechanisms are respectively connected between the hammering cavity box body and the grinding cavity box body and below the grinding cavity box body, a hammering hammer is arranged in the hammering cavity box body and is fixed on a rotating shaft A, the top end of the rotating shaft A is rotatably connected to the central position of the top end face of the hammering cavity box body, a drawing plate is arranged below the hammering hammer in the hammering cavity box body and is in sliding connection with the inner side face of the hammering cavity box body left and right, the screening and filtering mechanism comprises a screening box body and a screening net A fixed in the screening box body, the screening net A is obliquely arranged in the screening box body, and a coarse material discharge port is arranged at the position, close to the lowest end of the screening net A, on the side face of the screening box body, the screening net A is provided with a screening net, the screening net A is provided with a coarse material discharge port, the screening net A is connected with a coarse material collecting box, the screening net A is fixedly connected with the screening net A, a grinding cavity box and a grinding block are arranged in the screening net A, the grinding block is fixed on a rotating shaft B, the top end and the bottom end of the rotating shaft B are respectively connected on a rotating support frame which is close to the top end and the bottom end of the grinding cavity box in a rotating mode, and the rotating shaft A and the rotating shaft B are respectively connected with a motor.
Further, the striking hammer comprises a fixed rod fixedly connected to the rotating shaft A and a striking shaft A fixed to the side face of the fixed rod, broken teeth A are arranged on the side face of the striking shaft A, the waste concrete blocks can be struck and broken in different directions through the striking shaft A and the broken teeth A, and the breaking efficiency of the concrete blocks is effectively improved.
Further, the grinding block including grind frustum A, grind frustum B and grind frustum C, grind the bottom face of chamber box and adopt high, the low hourglass hopper-shaped structure in center on every side, just distance from the top down between the side of grinding block and the medial surface of grinding the chamber box reduces gradually, realizes progressively smashing the little concrete block after the breakage.
Furthermore, a striking shaft B is fixed on the side surface of the grinding frustum A, crushing teeth B are arranged on the side surface of the striking shaft B, and the small concrete blocks can be subjected to secondary striking crushing through the striking shaft B and the crushing teeth B, so that the crushing efficiency of the concrete blocks is improved, and the abrasion of the small concrete blocks on the grinding blocks is reduced.
Further, the cross-sectional shape of hammering chamber box medial surface is square structure, just is in position department that is close to four angles on the hammering chamber box medial surface is fixed with the baffle, can provide reverse effort to the concrete piece after the hammering hammer hits the beating through the baffle, accelerates breaking of concrete piece.
Further, the position department that the medial surface of the screening box between grinding chamber box and the hammering chamber box is close to the bottom is the back taper structure, and the internal diameter of its bottom face department is not more than the internal diameter of grinding chamber box top end face department, can provide the guide effect to the concrete piece after filtering through this back taper structure, makes it can fall into completely and grind the chamber box in.
Furthermore, the bottom of the rotating shaft A is rotatably connected to the supporting plate fixed on the inner side surface of the hammering cavity box body, the lower surface of the supporting plate is slidably connected with the upper surface of the pull plate, the supporting part can support the rotating shaft A, and the concrete in the hammering cavity box body can be scraped from the upper surface of the pull plate when the pull plate is pulled.
Further, the position department that is close to the top on the medial surface of top coarse fodder collecting box is provided with screening net B, and the outer end of the screening net A that corresponds is located screening net B's top, just screening net B's screening aperture is greater than this screen cloth A's screening aperture, can sieve the filtration to the large granule waste material in the concrete through screening net B.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, the concrete is sequentially knocked, crushed and rolled and crushed from top to bottom, large blocks of concrete are gradually crushed into recyclable small particles, the working efficiency is high, the particle size is relatively uniform, and the crushing effect is good;
2. according to the invention, the screening and filtering mechanisms are respectively arranged between the knocking crushing and the rolling crushing and after the rolling crushing, so that large concrete and qualified concrete particles which do not meet the requirements can be respectively collected, and the knocking and rolling crushing processes can be repeated on concrete blocks which do not meet the requirements, so that the crushing effect of the concrete is ensured.
Drawings
FIG. 1 is a schematic view showing the construction of a concrete grinding and recycling apparatus according to the present invention.
In the figure: 1. hammering chamber box 2, grinding chamber box 3, screening box 4, hammering hammer 5, pivot A6, pull board 7, coarse fodder discharge port 8, screening net A9, coarse fodder collecting box 10, grinding block 11, pivot B12, rotation support frame 13, dead lever 14, hitting axle A15, crushing tooth A16, grinding frustum A17, grinding frustum B18, grinding frustum C19, hitting axle B20, crushing tooth B21, baffle 22, backup pad 23, screening net B.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and 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.
Example 1
As shown in fig. 1, a concrete crushing and recycling device comprises a box body, the box body comprises a hammering chamber box body 1 and a grinding chamber box body 2 located below the hammering chamber box body 1, a hammering hammer 4 is arranged in the hammering chamber box body 1, the hammering hammer 4 is fixed on a rotating shaft A5, the top end of the rotating shaft A5 is rotatably connected to the central position of the top end face of the hammering chamber box body 1, the rotating shaft A5 is connected with a motor, when the device works, waste concrete blocks are placed in the hammering chamber box body 1, the motor drives the hammering hammer 4 to knock and crush the concrete blocks in the hammering chamber box body 1 through the rotating shaft A5, a drawing plate 6 is arranged below the hammering hammer 4 in the hammering chamber box body 1, the drawing plate 6 is in left-right sliding connection with the inner side face of the hammering chamber box body 1, the drawing plate 6 is drawn out from the hammering chamber box body 1 after working for a certain time, so that the concrete blocks above the drawing plate 6 fall into the grinding chamber box body 2, the hammering cavity box body 1 is connected with the grinding cavity box body 2 through a screening and filtering mechanism, the screening and filtering mechanism comprises a screening box body 3 and a screening net A8 fixed in the screening box body 3, the screening net A8 is obliquely arranged in the screening box body 3, a coarse material discharge port 7 is arranged at a position, close to the lowest end of a screening net A8, on the side surface of the screening box body 3, the lowest side of the screening net A8 extends out of the coarse material discharge port 7 and is connected with a coarse material collecting box 9, a concrete block knocked by a knocking hammer 4 falls onto the screening net A8 downwards firstly, after screening and filtering through the screening net A8, waste materials such as large concrete blocks and reinforcing steel bars slide down into the coarse material collecting box 9 from the coarse material discharge port 7 along the upper surface of the screening net A8, then the large concrete is sent into the hammering cavity box body to be repeatedly knocked and crushed, and the small concrete falls into the grinding cavity box body 2, grinding chamber box 2 is provided with grinding block 10 in, grinding block 10 is fixed on pivot B11, the top of pivot B11 and the connection that the bottom is rotatory respectively are on grinding chamber box 2 is close to the rotatory support frame 12 of top and bottom position department, pivot B11 links to each other with the motor, and the motor drives grinding block 10 through pivot B11 and constantly rotates to roll crushing to the concrete that falls to grinding chamber box 2 in, the below of grinding chamber box 2 is connected with screening filter mechanism respectively, collects the unqualified concrete of granule size to corresponding coarse fodder collecting box 9 in, to qualified concrete granule direct recycle.
Example 2
As shown in figure 1, the concrete crushing and recycling equipment comprises a box body, wherein the box body comprises a hammering cavity box body 1 and a grinding cavity box body 2 positioned below the hammering cavity box body 1, a striking hammer 4 is arranged in the hammering cavity box body 1, the striking hammer 4 comprises a fixed rod 13 fixedly connected with a rotating shaft A5 and a striking shaft A14 fixed on the side surface of the fixed rod 13, the side surface of the striking shaft A14 is provided with a breaking tooth A1, the top end of the rotating shaft A5 is rotatably connected to the central position of the top end surface of the striking chamber box body 1, the rotating shaft A5 is connected with a motor, when in work, the waste concrete blocks are placed in the hammering cavity box body 1, the motor drives the hammering shaft A14 and the crushing teeth A15 on the hammering hammer 4 to rotate ceaselessly through the rotating shaft A5, therefore, the waste concrete blocks are knocked and crushed from different directions, and the crushing efficiency of the concrete blocks is effectively improved; the section of the inner side surface of the hammering cavity box body 1 is of a square structure, the baffle plates 21 are fixed at positions, close to four corners, on the inner side surface of the hammering cavity box body 1, and the baffle plates 21 can provide reverse acting force for concrete blocks beaten by a hammering hammer to accelerate the breakage of the concrete blocks; a pull plate 6 is arranged below the hammering hammer 4 in the hammering cavity box body 1, the pull plate 6 is connected with the inner side surface of the hammering cavity box body 1 in a left-right sliding mode, and after the hammering cavity box body 1 works for a certain time, the pull plate 6 is pulled out of the hammering cavity box body 1, so that concrete blocks above the pull plate 6 fall downwards into the grinding cavity box body 2; the bottom end of the rotating shaft A5 is rotatably connected to a supporting plate 22 fixed on the inner side surface of the hammering cavity box body 1, the lower surface of the supporting plate 22 is in sliding connection with the upper surface of the pull-out plate 6, the supporting plate 22 can not only provide support for the rotating shaft A5, but also can scrape the concrete in the hammering cavity box body 1 from the upper surface of the pull-out plate 6 when the pull-out plate 6 is pulled out; the hammering cavity box body 1 and the grinding cavity box body 2 are connected through a screening and filtering mechanism, the screening and filtering mechanism comprises a screening box body 3 and a screening net A8 fixed in the screening box body 3, the screening net A8 is obliquely arranged in the screening box body 3, a coarse material discharge port 7 is arranged at a position, close to the lowest end of a screening net A8, on the side surface of the screening box body 3, the lowest side of the screening net A8 extends out of the coarse material discharge port 7 and is connected with a coarse material collecting box 9, a concrete block knocked by a knocking hammer 4 falls downwards onto the screening net A8 firstly, after screening and filtering through the screening net A8, waste materials such as large concrete blocks and reinforcing steel bars slide down into the coarse material collecting box 9 from the coarse material discharge port 7 along the upper surface of the screening net A8, a screening net B23 is arranged at a position, close to the top end, on the inner side surface of the coarse material collecting box 9, and the outer end of the corresponding screening net A8 is positioned above a screening net B23, the screening aperture of the screening net B23 is larger than that of the screen A8, waste materials such as large-particle concrete blocks and reinforcing steel bars which slide into the coarse material collecting box 9 stay on the upper surface of the screening net B23, the smaller-particle concrete blocks fall into the coarse material collecting box 9, then the larger-particle concrete is sent into the hammering cavity box to be repeatedly knocked and crushed, the smaller-particle concrete falls into the grinding cavity box 2, the position, close to the bottom end, of the inner side surface of the screening box 3 is of an inverted cone structure, the inner diameter of the bottom end face of the screening box is not larger than that of the top end face of the grinding cavity box 2, and the inverted cone structure can provide a guiding effect on the filtered concrete blocks so that the filtered concrete blocks can completely fall into the grinding cavity box 2; the grinding chamber box body 2 is internally provided with a grinding block 10, the grinding block 10 is fixed on a rotating shaft B11, the top end and the bottom end of the rotating shaft B11 are respectively connected on a rotary support frame 12 close to the top end and the bottom end in the grinding chamber box body 2 in a rotating way, the rotating shaft B11 is connected with a motor, the grinding block comprises a grinding frustum A16, a grinding frustum B17 and a grinding frustum C18, a striking shaft B20 is fixed on the side surface of the grinding frustum A16, crushing teeth B19 are arranged on the side surface of the striking shaft B20, the bottom end surface of the grinding chamber box body 2 adopts a funnel-shaped structure with high periphery and low center, the distance between the side surface of the grinding block 10 and the inner side surface of the grinding chamber box body 2 is gradually reduced from top to bottom, and the motor can gradually grind and crush the concrete falling into the grinding chamber box body 2 from top to bottom in the process of driving the grinding block 10 to continuously rotate through the rotating shaft B11, the crushing effect is good, the small concrete blocks can be subjected to secondary knocking crushing through the striking shaft B20 and the crushing teeth B19, the crushing efficiency of the concrete blocks is improved, and the abrasion of the small concrete blocks to the grinding blocks is reduced; the lower part of the grinding cavity box body 2 is respectively connected with a screening and filtering mechanism, and the concrete with unqualified particle size is collected into a corresponding coarse material collecting box 9, so that the qualified concrete particles are directly recycled.
Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of the terms "a" or "an" and the like in the description and in the claims of this application do not necessarily denote a limitation of quantity. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect.
Exemplary embodiments of the present invention have been described in detail with reference to the preferred embodiments, however, it will be understood by those skilled in the art that various changes and modifications may be made to the specific embodiments described above, and various combinations of the technical features and structures proposed by the present invention may be made without departing from the concept of the present invention.
Claims (8)
1. The utility model provides a recovery plant is smashed to concrete, it includes the box, its characterized in that: the box body comprises a hammering cavity box body and a grinding cavity box body positioned below the hammering cavity box body, a screening and filtering mechanism is respectively connected between the hammering cavity box body and the grinding cavity box body and below the grinding cavity box body, a hammering hammer is arranged in the hammering cavity box body and is fixed on a rotating shaft A, the top end of the rotating shaft A is rotatably connected to the central position of the top end face of the hammering cavity box body, a drawing plate is arranged below the hammering hammer in the hammering cavity box body, the drawing plate is in left-right sliding connection with the inner side face of the hammering cavity box body, the screening and filtering mechanism comprises a screening box body and a screening net A fixed in the screening box body, the screening net A is obliquely arranged in the screening box body, a coarse material discharge port is arranged at the position, close to the lowest end of the screening net A, on the side face of the screening box body, the lowest side of the screening net A extends out of the coarse material discharge port and is connected with a coarse material collecting box, hammering chamber box, grinding chamber box and screening box between fixed connection, be provided with the grinding piece in the grinding chamber box, the grinding piece is fixed on pivot B, the top and the bottom of pivot B are rotatory connection respectively on grinding the interior rotation support frame that is close to top and bottom position department of chamber box, pivot A and pivot B link to each other with the motor respectively.
2. The concrete crushing recovery apparatus according to claim 1, wherein: the striking hammer comprises a fixed rod fixedly connected to the rotating shaft A and a striking shaft A fixed to the side face of the fixed rod, and crushing teeth A are arranged on the side face of the striking shaft A.
3. The concrete crushing recovery apparatus according to claim 1, wherein: the grinding block comprises a grinding frustum A, a grinding frustum B and a grinding frustum C, wherein the bottom end face of the grinding cavity box body adopts a funnel-shaped structure with high periphery and low center, and the distance between the side face of the grinding block and the inner side face of the grinding cavity box body is gradually reduced from top to bottom.
4. The concrete crushing recovery apparatus according to claim 3, wherein: a striking shaft B is fixed on the side surface of the grinding frustum A, and crushing teeth B are arranged on the side surface of the striking shaft B.
5. The concrete crushing recovery apparatus according to claim 1, wherein: the cross-sectional shape of hammering chamber box medial surface is square structure, just is in hammering chamber box medial surface is last to be fixed with the baffle near the position department at four angles.
6. The concrete crushing recovery apparatus according to claim 1, wherein: the position that the medial surface of the screening box between grinding chamber box and the hammering chamber box is close to the bottom is the back taper structure, and the internal diameter of its bottom face department is not more than the internal diameter of grinding chamber box top face department.
7. The concrete crushing recovery apparatus according to claim 1, wherein: the bottom end of the rotating shaft A is rotatably connected to a supporting plate fixed on the inner side face of the hammering cavity box body, and the lower surface of the supporting plate is connected with the upper surface of the pull plate in a sliding mode.
8. The concrete crushing recovery apparatus according to claim 1, wherein: the position department that is close to the top on the medial surface of top coarse fodder collecting box is provided with screening net B, and the outer end of screening net A that corresponds is located screening net B's top, just screening net B's screening aperture is greater than this screen cloth A's screening aperture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111083716.9A CN113769872A (en) | 2021-09-16 | 2021-09-16 | Concrete crushing and recycling equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111083716.9A CN113769872A (en) | 2021-09-16 | 2021-09-16 | Concrete crushing and recycling equipment |
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| Publication Number | Publication Date |
|---|---|
| CN113769872A true CN113769872A (en) | 2021-12-10 |
Family
ID=78844362
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111083716.9A Pending CN113769872A (en) | 2021-09-16 | 2021-09-16 | Concrete crushing and recycling equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113769872A (en) |
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| CN109453882A (en) * | 2018-11-15 | 2019-03-12 | 合肥康之恒机械科技有限公司 | One kind being used for particle coal grinding recovery gear |
| CN111604153A (en) * | 2020-06-06 | 2020-09-01 | 河南航天建筑工程有限公司 | Sand making device for constructional engineering |
| CN213611699U (en) * | 2020-10-21 | 2021-07-06 | 优牌智能科技(上海)有限公司 | Crocus instrument is used in cosmetics production |
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