CN113976226A - Air flotation auxiliary equipment for classification of urban building garbage winnowing - Google Patents
Air flotation auxiliary equipment for classification of urban building garbage winnowing Download PDFInfo
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- CN113976226A CN113976226A CN202111312952.3A CN202111312952A CN113976226A CN 113976226 A CN113976226 A CN 113976226A CN 202111312952 A CN202111312952 A CN 202111312952A CN 113976226 A CN113976226 A CN 113976226A
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- 239000010813 municipal solid waste Substances 0.000 title claims abstract description 90
- 238000005188 flotation Methods 0.000 title claims abstract description 16
- 210000000078 claw Anatomy 0.000 claims abstract description 36
- 238000000926 separation method Methods 0.000 claims abstract description 31
- 230000008093 supporting effect Effects 0.000 claims abstract description 4
- 238000005192 partition Methods 0.000 claims description 23
- 239000011521 glass Substances 0.000 abstract description 9
- 239000002184 metal Substances 0.000 abstract description 7
- 238000012216 screening Methods 0.000 abstract description 5
- 239000002699 waste material Substances 0.000 description 16
- 239000012634 fragment Substances 0.000 description 7
- 238000009941 weaving Methods 0.000 description 7
- 238000010276 construction Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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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
- B02C4/00—Crushing or disintegrating by roller mills
- B02C4/02—Crushing or disintegrating by roller mills with two or more rollers
-
- 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
-
- 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
- B02C23/18—Adding fluid, other than for crushing or disintegrating by fluid energy
- B02C23/20—Adding fluid, other than for crushing or disintegrating by fluid energy after crushing or disintegrating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C4/00—Crushing or disintegrating by roller mills
- B02C4/28—Details
- B02C4/30—Shape or construction of rollers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B7/00—Selective separation of solid materials carried by, or dispersed in, gas currents
- B07B7/01—Selective separation of solid materials carried by, or dispersed in, gas currents using gravity
-
- 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
- B02C2201/06—Codes relating to disintegrating devices adapted for specific materials for garbage, waste or sewage
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Combined Means For Separation Of Solids (AREA)
Abstract
The invention belongs to the technical field of garbage treatment, and particularly relates to air flotation auxiliary equipment for air separation and classification of urban building garbage, which comprises a body, wherein the body comprises a blanking groove, a conveying groove, a separating groove and a collecting groove; a crushing roller is arranged in the blanking groove, the bottom end of the blanking groove is communicated with the conveying groove, a conveying belt is arranged in the conveying groove, a fan is fixedly arranged at the front end of the conveying groove, the rear end of the conveying groove is communicated with the separating groove, the collecting groove is positioned below the separating groove, a first air spring is hinged to the inner wall of the collecting groove, and a netting garbage separating mechanism is hinged to the tail end of the first air spring; according to the invention, the falling mesh type garbage is hooked by the claw hook of the mesh type garbage separating mechanism, so that the separation of the mesh type garbage and the garbage such as glass and metal is realized, and due to the supporting effect and the flexibility of the first air spring and the second air spring, the supported claw rotates to the upper part of the other groove and then rotates downwards so that the garbage falls off, so that the garbage screening precision is improved.
Description
Technical Field
The invention belongs to the technical field of garbage treatment, and particularly relates to air flotation auxiliary equipment for air separation and classification of urban building garbage.
Background
Along with the acceleration of the urbanization speed of China, a large amount of buildings are removed and dismantled in the town transformation process, so that a large amount of construction waste is generated, environmental pollution and resource waste can be caused if the construction waste is not properly treated, then a winnowing machine is usually adopted to classify and treat light waste and heavy waste in the construction waste, but the prior art is not perfect, and the following defects are realized: the wind resistance difference is generated due to different garbage volumes, so that the air separation and classification effects are influenced; in the process of winnowing and screening, the mesh type garbage with large weight falls down along with heavy garbage such as glass, stones and the like due to more screen holes and smaller wind resistance, so that the screening precision of the construction garbage is reduced.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: in order to solve the problems that the air resistance size difference is generated due to different garbage volumes to influence the air flotation classification effect in the prior art, and the air resistance of heavy netting type garbage with heavy weight is smaller due to more sieve holes, the heavy garbage such as glass and stone is often followed to fall together, so that the construction garbage screening precision is reduced, the air flotation auxiliary equipment for the air flotation classification of urban construction garbage is provided.
In order to solve the technical problems, the invention adopts the following technical scheme: the device comprises a body, wherein the body comprises a blanking groove, a conveying groove, a separating groove and a collecting groove;
the lower trough is internally provided with a crushing roller which can crush and treat the garbage to a similar volume, and the difference of wind resistance caused by different garbage volumes is reduced, so that the effect of air separation classification is improved, and the bottom end of the lower trough is communicated with the conveying trough;
a conveying belt is arranged in the conveying groove, a fan is fixedly arranged at the front end of the conveying groove, and the rear end of the conveying groove is communicated with the separation groove;
the collecting tank is positioned below the separating tank, a first partition plate and a second partition plate are arranged in the collecting tank, the collecting tank is divided into a first tank, a second tank and a third tank by the first partition plate and the second partition plate, the second tank is positioned between the first tank and the third tank, the rear end of the conveying belt is positioned above the second tank, a first air spring is hinged to the inner wall above the first tank, and a netting type garbage separating mechanism is hinged to the tail end of the first air spring;
the netting garbage separating mechanism comprises a main rod body, a claw, a connecting rod and a second gas spring, one end of the main rod body is hinged to the tail end of a first gas spring, the other end of the main rod body is hinged to the claw, the main rod body is hinged to the collecting tank, the hinged point is located between the two ends of the main rod body, one end of the connecting rod is hinged to the claw, the other end of the connecting rod is hinged to the second gas spring, and the top end of the second gas spring is fixedly connected with the bottom end of the main rod body; the hook claw is in free state promptly when first air spring is flexible to minimum working stroke, and the hook claw is located the second groove top this moment, and knitmesh class rubbish is hooked on the hook claw, and the hook claw bears the weight back mobile jib body anticlockwise rotation and makes first air spring is flexible to when the maximum working stroke, this moment the hook claw is located first groove top, and the hook claw rotates downwards along with the extension of second air spring simultaneously, and then makes knitmesh class rubbish drop from the hook claw and weigh down to first inslot, and after the knitmesh class rubbish of hook was taken off on the hook claw, first air spring and second air spring release elasticity can make whole timely reseing of knitmesh class rubbish separating mechanism, and first air spring and second air spring can provide effectual linear elastic support for knitmesh class rubbish separating mechanism to make knitmesh class rubbish separating mechanism in time reset.
Above-mentioned technical scheme passes through knitmesh class rubbish separating mechanism for when knitmesh class rubbish falls, the hook is hung on the hook, rubbish such as glass metal falls into the second groove, realize the separation of rubbish such as knitmesh class rubbish and glass metal, after the hook bears certain weight, because the supporting role and the elasticity of first gas spring, the hook is by second groove top anticlockwise rotation to first groove top, make the hook rotate downwards through the second gas spring, thereby knitmesh class rubbish drops to in the first groove.
Furthermore, the number of the hook claws is at least one, and the connecting rods correspond to the hook claws one by one.
Furthermore, a movable groove is formed in the lower end of the main rod body, and a hinge point between the hook claw and the main rod body is located in the movable groove.
Further, the mesh type garbage separating mechanism further comprises an outer sleeve, the outer sleeve is hinged to the connecting rod, the second air spring is located in the outer sleeve, and the bottom end of the outer sleeve is fixedly connected with the bottom end of the second air spring.
Further, knitmesh class rubbish separating mechanism still includes interior sleeve pipe, interior sleeve pipe top and mobile jib body bottom fixed connection, just interior sleeve pipe is located between outer tube and the second air spring, outer tube and interior sleeve pipe sliding connection.
Furthermore, the lower end of the main rod body is provided with a conical part with a narrow upper part and a wide lower part, the conical part is positioned above a hinge point between the main rod body and the claw, and garbage fragments can slide down from the inclined plane when falling to the position.
Furthermore, the third groove is also at least internally provided with a second separation plate, the height of the second separation plate positioned at the front end in two adjacent second separation plates is greater than the height of the second separation plate positioned at the rear end, and because the densities of different wastes are different, the wastes with similar volumes have different weights, and the second grooves can be divided into a plurality of second separation plates with different heights, so that the wastes with different weights are blown by the wind of the fan to fall into the second grooves separated by the second separation plates along different parabolic tracks, and the effective separation of the light wastes is realized.
Furthermore, the conveyor belt is gradually inclined upwards from the fan to the separating tank, the conveying surface of the conveyor belt is parallel to the inner top wall of the conveyor belt and the axis of the fan, and the fan can blow the garbage conveyed on the conveyor belt in parallel, so that the garbage with the same volume and different weight drops into the collecting tank in different parabolic tracks after being conveyed to the tail end of the conveyor belt, and effective winnowing classification is realized.
The invention has the beneficial effects that: according to the invention, the falling mesh type garbage is hooked by the claw hook of the mesh type garbage separating mechanism, so that the separation of the mesh type garbage and the garbage such as glass and metal is realized, and due to the supporting effect and the flexibility of the first air spring and the second air spring, the supported claw rotates to the upper part of the other groove and then rotates downwards so that the garbage falls off, so that the garbage screening precision is improved.
Drawings
FIG. 1 is a side cross-sectional view of the present invention;
FIG. 2 is a free state diagram of the mesh type garbage separating mechanism according to the present invention;
FIG. 3 is a schematic view of the load-bearing state of the mesh type garbage separating mechanism according to the present invention;
FIG. 4 is a free state cross sectional view of the web type waste separating mechanism of the present invention;
in the figure: 1. a body; 101. a discharging groove; 102. a transfer slot; 103. a separation tank; 104. collecting tank; 1041. a first groove; 1042. a second groove; 1043. a third groove; 2. a crushing roller; 3. a conveyor belt; 4. a fan; 5. a first partition plate; 6. a second partition plate; 7. a first gas spring; 8. a mesh type garbage separating mechanism; 801. a main rod body; 802. a movable groove; 803. a hook claw; 804. a connecting rod; 805. an outer sleeve; 806. an inner sleeve; 807. a second gas spring; 808. a tapered portion.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. The drawings are simplified schematic diagrams illustrating the basic structure of the present invention only in a schematic manner, and thus show only the constitution related to the present invention, and directions and references (e.g., upper, lower, left, right, etc.) may be used only to help the description of the features in the drawings. The following detailed description is, therefore, not to be taken in a limiting sense, and the scope of the claimed subject matter is defined only by the appended claims and equivalents thereof.
Example 1
As shown in fig. 1-4, an air flotation auxiliary device for air separation and classification of urban building garbage comprises a body 1, wherein the body 1 comprises a blanking tank 101, a conveying tank 102, a separating tank 103 and a collecting tank 104;
the lower trough 101 is internally provided with a crushing roller 2, the crushing roller 2 can crush and treat garbage to similar volume, and the size difference of wind resistance caused by different garbage volumes is reduced, so that the air separation and classification effect is improved, and the bottom end of the lower trough 101 is communicated with the conveying trough 102;
a conveyor belt 3 is arranged in the conveying groove 102, a fan 4 is fixedly arranged at the front end of the conveying groove 102, and the rear end of the conveying groove 102 is communicated with the separation groove 103;
the collecting tank 104 is positioned below the separating tank 103, a first partition plate 5 and a second partition plate 6 are arranged in the collecting tank 104, the collecting tank 104 is divided into a first tank 1041, a second tank 1042 and a third tank 1043 by the first partition plate 5 and the second partition plate 6, the second tank 1042 is positioned between the first tank 1041 and the third tank 1043, the rear end of the conveyor belt 3 is positioned above the second tank 1042, a first air spring 7 is hinged to the inner wall above the first tank 1041, and a mesh type garbage separating mechanism 8 is hinged to the tail end of the first air spring 7;
the netting garbage separating mechanism 8 comprises a main rod body 801, a claw 803, a connecting rod 804 and a second gas spring 807, one end of the main rod body 801 is hinged with the tail end of a first gas spring 7, the other end of the main rod body is hinged with the claw 803, the main rod body 801 is hinged with the collecting tank 104, the hinged point is located between the two ends of the main rod body, one end of the connecting rod 804 is hinged with the claw 803, the other end of the connecting rod is hinged with the second gas spring 807, and the top end of the second gas spring 807 is fixedly connected with the bottom end of the main rod body 801; when the hook 803 is in a free state, that is, when the first air spring 7 extends and contracts to a minimum working stroke, the hook 803 is located above the second groove 1042, the webbing waste is hooked on the hook 803, and after the hook 803 bears a certain weight, the main rod body 801 rotates counterclockwise to enable the first air spring 7 to extend and contract to a maximum working stroke, at this time, the hook 803 is located above the first groove 1041, and simultaneously the hook 803 rotates downward along with the extension of the second air spring 807, so that the webbing waste falls off from the hook 803 and falls into the first groove 1041, and after the webbing waste hooked on the hook 803 falls off, the elastic performance of the first air spring 7 and the second air spring 807 releases to enable the whole webbing waste separating mechanism 8 to reset in time.
At least one of the hooks 803 is provided, and the connecting rods 804 correspond to the hooks 803 one to one.
The lower end of the main rod body 801 is provided with a movable groove 802, and a hinge point between the hook 803 and the main rod body 801 is positioned in the movable groove 802.
The mesh type garbage separating mechanism 8 further comprises an outer sleeve 805, the outer sleeve 805 is hinged to the connecting rod 804, the second gas spring 807 is located in the outer sleeve 805, and the bottom end of the outer sleeve 805 is fixedly connected with the bottom end of the second gas spring 807.
The webbing waste separating mechanism 8 further comprises an inner sleeve 806, the top end of the inner sleeve 806 is fixedly connected with the bottom end of the main rod body 801, the inner sleeve 806 is located between the outer sleeve 805 and the second gas spring 807, and the outer sleeve 805 is slidably connected with the inner sleeve 806.
The lower end of the main rod body 801 is provided with a tapered part 808 with a narrow top and a wide bottom, the tapered part 808 is positioned above a hinge point between the main rod body 801 and the claw 803, and garbage fragments can slide down from an inclined plane when falling to the hinge point.
At least one second partition plate 6 is further arranged in the third slot 1043, the height of the second partition plate 6 positioned at the front end in two adjacent second partition plates 6 is greater than the height of the second partition plate 6 positioned at the rear end, and the second partition plates 6 with different heights can effectively separate the light garbage after air separation.
The conveyor belt 3 is gradually inclined upwards from the fan 4 to the separating tank 103, the conveying surface of the conveyor belt 3 is parallel to the inner top wall of the conveying tank 102 and the axis of the fan 4, and the fan 4 can blow the garbage conveyed on the conveyor belt 3 in parallel, so that the garbage with the same volume and different weight is conveyed to the tail end of the conveyor belt 3 and then falls into the collecting tank 104 in different parabolic tracks, and effective air separation and classification are realized.
The working principle and the using process of the invention are as follows: the user throws the household garbage onto the conveyor belt 3 through the blanking groove 101, most of the garbage is crushed into fragments with similar volume when passing through the crushing roller 2, the garbage fragments are conveyed towards the separating groove 103 through the conveyor belt 3, and in the process that the garbage fragments fall onto the conveyor belt 3 and are conveyed on the conveyor belt 3, the garbage with similar volume has different weight due to different densities of different garbage, and the garbage with lighter weight falls into the third groove 1043 in a parabolic track under the wind power of the fan 4; the soft mesh-weaving garbage with larger volume and not broken by the crushing roller 2 and garbage fragments with large density such as glass metal and the like fall down linearly, the mesh-weaving garbage is hooked by the hook claw 803 in the way, the glass metal and the like fall into the second groove 1042, the separation of the mesh-weaving garbage and the garbage fragments such as the glass metal and the like is realized, when the mesh-weaving garbage hooked on the hook claw 803 reaches a certain weight, the main rod body 801 rotates anticlockwise along with the extension of the first air spring 7, the hook claw 803 rotates anticlockwise from the upper part of the second groove 1042 to the upper part of the first groove 1041, meanwhile, the hook claw 803 rotates downwards along with the extension of the second air spring 807, the mesh-weaving garbage falls off from the hook claw 803 and falls into the first groove 1041, and after the mesh-weaving garbage falls off, the second air spring 807 and the first air spring 7 release the elastic performance to enable the whole mesh-weaving garbage separating mechanism 8 to reset in time.
In light of the foregoing description of the preferred embodiment of the present invention, it is to be understood that numerous changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (8)
1. The utility model provides a categorised air supporting auxiliary assembly of city building rubbish selection by winnowing which characterized in that: the device comprises a body (1), wherein the body (1) comprises a blanking groove (101), a conveying groove (102), a separating groove (103) and a collecting groove (104);
a crushing roller (2) is arranged in the blanking groove (101), and the bottom end of the blanking groove (101) is communicated with the conveying groove (102);
a conveyor belt (3) is arranged in the conveying groove (102), a fan (4) is fixedly arranged at the front end of the conveying groove (102), and the rear end of the conveying groove (102) is communicated with the separation groove (103);
the collecting tank (104) is located below the separating tank (103), a first partition plate (5) and a second partition plate (6) are arranged in the collecting tank (104), the collecting tank (104) is divided into a first tank (1041), a second tank (1042) and a third tank (1043) by the first partition plate (5) and the second partition plate (6), the second tank (1042) is located between the first tank (1041) and the third tank (1043), the rear end of the conveyor belt (3) is located above the second tank (1042), a first air spring (7) is hinged to the inner wall above the first tank (1041), and a netting type garbage separating mechanism (8) is hinged to the tail end of the first air spring (7);
the netting garbage separating mechanism (8) comprises a main rod body (801), a claw (803), a connecting rod (804) and a second gas spring (807), one end of the main rod body (801) is hinged to the tail end of a first gas spring (7), the other end of the main rod body is hinged to the claw (803), the main rod body (801) is hinged to the collecting tank (104), a hinged point is located between two ends of the main rod body (801), one end of the connecting rod (804) is hinged to the claw (803), the other end of the connecting rod is hinged to the second gas spring (807), and the top end of the second gas spring (807) is fixedly connected to the bottom end of the main rod body (801).
2. The air flotation auxiliary device for air separation and classification of urban building garbage according to claim 1, wherein: at least one of the claws (803) is arranged, and the connecting rods (804) correspond to the claws (803) one by one.
3. The air flotation auxiliary device for air separation and classification of urban building garbage according to claim 1, wherein: the lower end of the main rod body (801) is provided with a movable groove (802), and a hinge point between the hook claw (803) and the main rod body (801) is positioned in the movable groove (802).
4. The air flotation auxiliary device for air separation and classification of urban building garbage according to claim 1, wherein: the mesh type garbage separating mechanism (8) further comprises an outer sleeve (805), the outer sleeve (805) is hinged to the connecting rod (804), the second gas spring (807) is located in the outer sleeve (805), and the bottom end of the outer sleeve (805) is fixedly connected with the bottom end of the second gas spring (807).
5. The air flotation auxiliary device for air separation and classification of urban building garbage according to claim 4, wherein the air flotation auxiliary device comprises: the netting garbage separating mechanism (8) further comprises an inner sleeve (806), the top end of the inner sleeve (806) is fixedly connected with the bottom end of the main rod body (801), the inner sleeve (806) is located between the outer sleeve (805) and the second gas spring (807), and the outer sleeve (805) is connected with the inner sleeve (806) in a sliding mode.
6. The air flotation auxiliary device for air separation and classification of urban building garbage according to claim 1, wherein: the lower end of the main rod body (801) is provided with a tapered part (808) which is narrow at the top and wide at the bottom, and the tapered part (808) is positioned above a hinge point between the main rod body (801) and the claw (803).
7. The air flotation auxiliary device for air separation and classification of urban building garbage according to claim 1, wherein: at least one second partition plate (6) is further arranged in the third groove (1043), and the height of the second partition plate (6) positioned at the front end in every two adjacent second partition plates (6) is greater than the height of the second partition plate (6) positioned at the rear end.
8. The air flotation auxiliary device for air separation and classification of urban building garbage according to claim 1, wherein: the conveyor belt (3) is gradually inclined upwards from the fan (4) to the direction of the separation groove (103), and the conveying surface of the conveyor belt (3) is parallel to the inner top wall of the conveying groove (102) and the axis of the fan (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111312952.3A CN113976226B (en) | 2021-11-08 | 2021-11-08 | Air flotation auxiliary equipment for classification of urban building garbage winnowing |
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| CN202111312952.3A CN113976226B (en) | 2021-11-08 | 2021-11-08 | Air flotation auxiliary equipment for classification of urban building garbage winnowing |
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| CN113976226A true CN113976226A (en) | 2022-01-28 |
| CN113976226B CN113976226B (en) | 2022-09-27 |
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| WO2020094142A1 (en) * | 2018-11-09 | 2020-05-14 | 毛雪梅 | Waste sorting conveyor device |
| CN110449447A (en) * | 2019-08-05 | 2019-11-15 | 无锡太湖学院 | A kind of domestic garbage treating system |
| CN110947483A (en) * | 2019-12-18 | 2020-04-03 | 廖文赟 | Domestic waste combined screening equipment |
| CN111282716A (en) * | 2020-02-21 | 2020-06-16 | 哈尔滨工业大学 | Intelligent sorting system for urban garbage |
| CN212682008U (en) * | 2020-06-30 | 2021-03-12 | 张建乐 | Construction waste classification retrieves machine |
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| CN113976226B (en) | 2022-09-27 |
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Application publication date: 20220128 Assignee: JIANGSU JINCHENG MACHINERY TECHNOLOGY Co.,Ltd. Assignor: CHANGZHOU University Contract record no.: X2023980049830 Denomination of invention: An air flotation auxiliary equipment for wind separation and classification of urban construction waste Granted publication date: 20220927 License type: Common License Record date: 20231205 |
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