CN116371738B - Light and heavy substance separation device - Google Patents
Light and heavy substance separation device Download PDFInfo
- Publication number
- CN116371738B CN116371738B CN202310657596.1A CN202310657596A CN116371738B CN 116371738 B CN116371738 B CN 116371738B CN 202310657596 A CN202310657596 A CN 202310657596A CN 116371738 B CN116371738 B CN 116371738B
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- air
- light
- roller
- shell
- baffle
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- 238000000926 separation method Methods 0.000 title claims abstract description 63
- 239000000126 substance Substances 0.000 title claims abstract description 34
- 239000000463 material Substances 0.000 claims abstract description 41
- 238000005303 weighing Methods 0.000 claims description 2
- 239000010813 municipal solid waste Substances 0.000 abstract description 9
- 239000002245 particle Substances 0.000 description 4
- 239000008187 granular material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000002910 solid waste Substances 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 239000002154 agricultural waste Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- 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
- B07B13/00—Grading or sorting solid materials by dry methods, not otherwise provided for; Sorting articles otherwise than by indirectly controlled devices
- B07B13/10—Grading or sorting solid materials by dry methods, not otherwise provided for; Sorting articles otherwise than by indirectly controlled devices using momentum effects
-
- 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
- B07B11/00—Arrangement of accessories in apparatus for separating solids from solids using gas currents
- B07B11/06—Feeding or discharging arrangements
-
- 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
- B07B13/00—Grading or sorting solid materials by dry methods, not otherwise provided for; Sorting articles otherwise than by indirectly controlled devices
- B07B13/14—Details or accessories
- B07B13/16—Feed or discharge arrangements
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
Landscapes
- Combined Means For Separation Of Solids (AREA)
Abstract
The invention belongs to the technical field of garbage winnowing, and particularly provides a light and heavy substance separating device which comprises a shell, a conveying line, a baffle plate and a roller, wherein a feed inlet is formed in the side wall of the shell; the material conveying tail end of the conveying line penetrates into the inner cavity of the shell from the material inlet; the baffle is arranged in the inner cavity of the shell and has a set distance with the material conveying tail end; the baffle plate is provided with a rebound surface facing the material conveying end; the roller is arranged in the inner cavity and below the baffle, the axis of the roller is horizontal and vertical to the first direction, the shell is provided with a light discharge port at one side of the roller, which is away from the conveying line, and a heavy discharge port at the other side of the roller; a first air separation assembly, a second air separation assembly and a third air separation assembly are arranged in the inner cavity of the shell, and the air outlet direction of the first air separation assembly is opposite to the rebound surface; the air outlet direction of the second winnowing component is opposite to the position between the upper end of the roller and the lower end of the baffle; the air outlet direction of the third winnowing component is vertically upward; the invention is convenient for separating light and heavy substances.
Description
Technical Field
The invention belongs to the technical field of garbage winnowing, and particularly provides a light and heavy substance separation device.
Background
The solid garbage mainly comprises municipal solid waste, industrial solid waste, agricultural waste, construction waste and the like. Wherein the industrial garbage and the household garbage have complex components and different characteristics. Various substances toxic and harmful to the environment in the urban household garbage are fused into the soil without any treatment, and the potential harm is extremely great.
Chinese patent application CN218452394U, filed earlier by the applicant, is a solid waste light and heavy air separation device, which has a conveyor line and inclined baffles, rollers are arranged under the baffles, and high-speed material output from the end of the conveyor line will strike the baffles first. The weight and the volume of the heavy matters are relatively larger in numerical ratio, the kinetic energy of the unit volume of the heavy matters is larger, the heavy matters can move for a larger distance in a direction away from the baffle under the action of elasticity after impacting the baffle, and the heavy matters move towards one side close to the conveying line under the action of gravity, and the heavy matters move to the heavy matter discharge port obliquely downwards. Wherein the weight and volume ratio of the light material is relatively small, and the distance it bounces against the baffle after striking the baffle is small, the light material falls substantially obliquely against the surface of the baffle.
The inventor believes that the above technical proposal realizes the separation of heavy matters and light matters by the elasticity of the baffle, but the big and small garbage in the solid garbage are mixed, and the light matters and the heavy matters are mixed; there is a greater probability that some of the smaller volume light materials will be entrained by the heavy material and rebound a greater distance relative to the baffle, and some of the smaller volume heavy materials will be blocked by the light material and rebound a lesser distance relative to the baffle. This results in partial mixing of the light and heavy materials after separation, and poor separation.
Disclosure of Invention
The invention aims to provide a light and heavy substance separating device which is used for at least solving one of the technical problems.
In order to solve the above-described problems of the prior art, one or more embodiments of the present invention provide a light and heavy material separation apparatus including a housing, a conveyor line, a baffle, and a drum; the side wall of the shell is provided with a feed inlet; the conveying tail end of the conveying line penetrates into the inner cavity of the shell from the feeding hole, and the conveying line conveys along the first direction; the baffle is arranged in the inner cavity of the shell and has a set distance with the material conveying tail end; the baffle plate is provided with a rebound surface facing the material conveying end; the upper end of the rebound surface faces to one side far away from the material conveying end; the cylinder is installed in the inner chamber and is in the baffle below, and cylinder axis level and perpendicular first direction, and the shell sets up the light discharge gate in the cylinder one side that deviates from the transfer chain, and the opposite side sets up the heavy discharge gate.
A first air separation assembly is arranged below the conveying line in the inner cavity of the shell, the air outlet direction of the first air separation assembly is the same as the first direction, and the air outlet direction of the first air separation assembly is opposite to the rebound surface so that light substances fall down closely to the rebound surface; the inner cavity of the shell is provided with a second air separation component, the air outlet direction of the second air separation component is positioned below the first air separation component, the air outlet direction of the second air separation component is the same as the first direction, and the air outlet direction of the second air separation component is opposite to the space between the upper end of the roller and the lower end of the baffle; the upper end of the outer circular side surface of the roller is provided with a third air separation assembly, the air outlet direction of the third air separation assembly is vertically upwards, and the vertical projection of the baffle plate is positioned at one side, close to the light discharge port, of the third air separation assembly; the cylinder can reciprocate along first direction to adjust baffle vertical projection and the vertical projected interval of third selection by winnowing subassembly.
The beneficial effects of one or more of the technical schemes are as follows:
the three winnowing components are arranged in the scheme, the air outlet direction of the first winnowing component is opposite to the rebound surface of the baffle, and the small-particle light substances mixed with heavy substances rebound can be gradually dispersed with the heavy substances in the inclined falling process, so that the light substances in the heavy substances can be conveniently blown to the baffle by the first winnowing component and fall along the inclined falling of the baffle. The air outlet direction of the second air separation assembly is opposite to the position between the lower end of the baffle plate and the upper end of the roller, and the vertical projection of the baffle plate is positioned at one side, close to the light discharge port, of the third air separation assembly; in the arrangement mode, the second air separation assembly can blow the light substances to one side of the light substance outlet after the light substances fall from the baffle plate, and part of small-particle light substances in the light substances are not influenced by the second air separation assembly and basically fall to one side of the heavy substance outlet along the vertical direction; most light matters and heavy matters separated from the light matters fall to the roller vertically, the collision between the light matters and the roller can cause the uncertain movement direction of the light matters, and the third winnowing component can prevent the light matters from striking the roller and then moving to one side of the heavy discharge port, so that the heavy matters are prevented from striking the roller and then moving to one side of the light discharge port.
That is, through the cooperation of first selection by winnowing subassembly, second selection by winnowing subassembly and third selection by winnowing subassembly in this scheme, realized gradually that the light material of granule is separated in the heavy material, the light material is separated in the light material granule heavy material, avoid the inconsistent problem of rebound direction behind the impact cylinder of light and heavy material. The combination of the three winnowing components can effectively improve the separation effect of the baffle rebound type light and heavy substance separation device.
Drawings
Some embodiments of the present application are described below with reference to the accompanying drawings, in which:
FIG. 1 is an isometric view of an overall structure in an embodiment of the invention;
FIG. 2 is a schematic diagram of the internal structure of an embodiment of the present invention;
fig. 3 is a schematic view of a shell-supporting roller in an embodiment of the invention.
Reference numerals: 1. a conveying line; 2. a first air separation assembly; 3. a second air separation assembly; 4. a third air tap; 5. a baffle; 6. a housing; 7. a heavy discharge port; 8. a light discharge port; 9. a roller; 10. a driving motor; a first air tap; 202. a first bracket; 203. a first mounting plate; 301. a second air tap; 302. a second bracket; 303. a second mounting plate; 601. an inner cavity; 901. a bearing seat; 902. a slide; 903. a push rod; 904. and a support plate.
Detailed Description
It should be understood by those skilled in the art that the embodiments described below are only preferred embodiments of the present application, and do not represent that the present application can be realized only by the preferred embodiments, which are merely for explaining the technical principles of the present application, and are not intended to limit the scope of the present application.
It should be noted that, in the description of the present application, terms such as "center," "upper," "lower," "top," "bottom," "left," "right," "vertical," "horizontal," and the like indicate directions or positional relationships, which are merely for convenience of description, but do not indicate or imply that the apparatus or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present application. Furthermore, 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, it should be noted that, in the description of the present application, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected, can be indirectly connected through an intermediate medium, and can also be communicated with the inside of two elements. The specific meaning of the terms in this application will be understood by those skilled in the art as the case may be.
In order to solve the above problems, as shown in fig. 1 to 3, the present embodiment provides a light and heavy substance separating device comprising a housing 6, a conveyor line 1, a baffle 5, and a drum 9; the side wall of the shell 6 is provided with a feed inlet; the material conveying end of the conveying line 1 penetrates into the inner cavity 601 of the shell 6 from the material inlet, and the conveying line 1 is conveyed along the first direction; baffle 5 is mounted in the inner cavity 601 of the housing 6 and has a set distance from the feeding end; the baffle 5 is provided with a rebound surface facing the material conveying end; the upper end of the rebound surface faces to one side far away from the material conveying end; the roller 9 is mounted in the inner cavity 601 below the baffle 5, the axis of the roller 9 is horizontal and vertical to the first direction, the shell 6 is provided with a light discharge port 8 at one side of the roller 9 away from the conveying line 1, and the other side is provided with a heavy discharge port 7.
A first air separation assembly 2 is arranged below the conveying line 1 in the inner cavity 601 of the shell 6, the air outlet direction of the first air separation assembly 2 is the same as the first direction, and the air outlet direction of the first air separation assembly 2 is opposite to the rebound surface so that light substances fall close to the rebound surface; the second air separation assembly 3 is arranged in the inner cavity 601 of the shell 6, the air outlet direction of the second air separation assembly 3 is positioned below the first air separation assembly 2, the air outlet direction of the second air separation assembly 3 is the same as the first direction, and the air outlet direction of the second air separation assembly 3 is right between the upper end of the roller 9 and the lower end of the baffle 5; the upper end of the outer circular side surface of the roller 9 is provided with a third air separation assembly, the air outlet direction of the third air separation assembly is vertically upwards, and the vertical projection of the baffle 5 is positioned at one side of the third air separation assembly close to the light discharge port 8; the roller 9 is capable of reciprocating in a first direction to adjust the spacing between the vertical projection of the baffle 5 and the vertical projection of the third air separation assembly.
In this embodiment, the upper end of the baffle 5 is rotatably connected to a slide plate, the baffle 5 can be rotated and fixed relative to the slide plate, and the slide plate can be slid and positioned relative to the housing 6 to change the distance between the slide plate and the conveyor line 1.
In this embodiment, the first air separation assembly 2 includes a plurality of first air nozzles 201, and the air outlet direction of the first air nozzles 201 is horizontal and faces the rebound surface; the first air nozzles 201 are respectively communicated with the first air supply assembly.
Specifically, the first air nozzle 201 is disposed at a first mounting plate 203, and the first mounting plate 203 is fixed to the inner wall of the housing 6 by a first bracket 202.
In this embodiment, the second air separation assembly 3 includes a plurality of second air nozzles 301, and the air outlet direction of the second air nozzles 301 is horizontal and faces the space between the lower end of the baffle 5 and the upper end of the drum 9; the second air nozzles 301 are respectively communicated with the second air supply assembly.
Specifically, the second air nozzle 301 is disposed at a second mounting plate 303, and the second mounting plate 303 is fixed to the inner wall of the housing 6 by a second bracket 302.
In this embodiment, the third air classification component includes a plurality of third air nozzles 4, the air outlet direction of the third air nozzles 4 is vertically upward, and the third air nozzles 4 are respectively communicated with the third air supply component. At this time, the number of the third air nozzles 4 is plural, and the third air nozzles 4 are sequentially arranged along the axis direction of the parallel roller 9.
In this embodiment, a support plate 904 is provided at the side wall of the housing 6, the support plate 904 is slidably connected with a slide seat 902, a bearing seat 901 is installed at the slide seat 902, a rotating shaft is provided at the roller 9, and the rotating shaft is supported by the bearing seat 901; a push rod 903 is disposed at the support plate 904, and the push rod 903 can push the slide base 902 to move.
In this embodiment, the roller 9 is supported by a bracket, and a rotation driving assembly is disposed at the bracket for driving the roller 9 to rotate. The rotary drive assembly may be the drive motor 10, a hydraulic motor, or the like.
In this embodiment, the lower extreme of light discharge gate 8 and heavy discharge gate 7 is equipped with the storage vat respectively, and the lower bottom surface of inner chamber 601 forms weighing assembly in the storage vat.
In the embodiment, the upper end of the storage barrel is provided with a laser range finder, and the laser range finder can measure the height of materials in the storage barrel; the laser range finder can send the material height to the controller, and the controller can read the material weight in the storage vat and the cross-sectional area of storage vat inner chamber 601, calculates the density of obtaining the material.
In this embodiment, a scraper is mounted on one side of the drum 9 facing away from the conveyor line 1, the scraper is fixed to the housing 6 and abuts against the outer side surface of the drum 9, and the drum 9 can rotate and be positioned around its own axis.
Working principle: the conveying line 1 is utilized to rapidly convey materials to the direction of the baffle 5, the baffle 5 is impacted when the conveying line 1 conveys the materials, and heavy materials rebound to the heavy discharge port 7 after being impacted to be discharged. The light materials fall on the roller 9 freely, fall into the light discharge port 8 after being guided by the roller 9, and are discharged;
the air outlet direction of the first winnowing component 2 is opposite to the rebound surface of the baffle plate 5, and part of small-particle light substances mixed with heavy substances during the rebound and falling process are gradually dispersed with the heavy substances, so that the light substances in the heavy substances can be conveniently blown to the baffle plate 5 by the first winnowing component 2 and fall along the baffle plate 5 in an inclined manner.
The second air separation assembly 3 can blow the light substances to the light substance outlet side after the light substances fall from the baffle plate 5, and part of small particle light substances in the light substances are not influenced by the second air separation assembly 3 and basically fall to the heavy substance outlet side along the vertical direction;
most light matters and heavy matters separated from the light matters fall to the roller 9 vertically, the collision between the light matters and the roller 9 can cause the uncertain movement direction of the light matters, and the third winnowing component can prevent the light matters from moving to one side of the heavy discharge port 7 after striking the roller 9 and from moving to one side of the light discharge port 8 after striking the roller 9.
Thus far, the technical solution of the present application has been described in connection with the foregoing preferred embodiments, but it is easily understood by those skilled in the art that the protective scope of the present application is not limited to the above-described preferred embodiments. The technical solutions in the above preferred embodiments may be split and combined by those skilled in the art without departing from the technical principles of the present application, and equivalent changes or substitutions may be made to related technical features, so any changes, equivalent substitutions, improvements, etc. made within the technical concepts and/or technical principles of the present application will fall within the protection scope of the present application.
Claims (10)
1. A light-heavy matter separation device, characterized by comprising:
the shell is provided with a feed inlet on the side wall;
the conveying end of the conveying line penetrates into the inner cavity of the shell from the feeding hole, and the conveying line conveys along a first direction;
the baffle is arranged in the inner cavity of the shell and has a set distance with the material conveying end; the baffle plate is provided with a rebound surface facing the material conveying end; the upper end of the rebound surface faces to one side far away from the material conveying end;
the roller is arranged in the inner cavity and is positioned below the baffle, the axis of the roller is horizontal and vertical to the first direction, the shell is provided with a light discharge port at one side of the roller, which is away from the conveying line, and a heavy discharge port at the other side of the roller;
a first air separation component is arranged below the conveying line in the inner cavity of the shell, the air outlet direction of the first air separation component is the same as the first direction, and the air outlet direction of the first air separation component is opposite to the rebound surface so that light substances cling to the rebound surface and fall;
the inner cavity of the shell is internally provided with a second air separation component, the air outlet direction of the second air separation component is positioned below the first air separation component, the air outlet direction of the second air separation component is the same as the first direction, and the air outlet direction of the second air separation component is right between the upper end of the roller and the lower end of the baffle;
the upper end of the outer circular side surface of the roller is provided with a third air separation assembly, the air outlet direction of the third air separation assembly is vertically upwards, and the vertical projection of the baffle plate is positioned at one side, close to the light discharge port, of the third air separation assembly; the roller can reciprocate along the first direction so as to adjust the distance between the vertical projection of the baffle plate and the vertical projection of the third winnowing component.
2. The light and heavy matter separating device of claim 1, wherein the upper end of the baffle is rotatably connected to a slide plate, the baffle being rotatable and fixable relative to the slide plate, the slide plate being slidable and positionable relative to the housing to vary the distance of the slide plate from the conveyor line.
3. The light and heavy matter separation device of claim 1, wherein the first air classification assembly comprises a plurality of first air nozzles, and an air outlet direction of the first air nozzles is horizontal and faces the rebound surface; the first air nozzles are respectively communicated with the first air supply assembly.
4. The light and heavy matter separation device of claim 1, wherein the second air classification assembly comprises a plurality of second air nozzles, and an air outlet direction of the second air nozzles is horizontal and faces a space between a lower end of the baffle plate and an upper end of the drum; the second air tap is respectively communicated with the second air supply assembly.
5. The light and heavy matter separation device of claim 1, wherein the third air classification assembly comprises a plurality of third air nozzles, the air outlet direction of the third air nozzles is vertically upward, and the third air nozzles are respectively communicated with the third air supply assembly.
6. The light and heavy matter separating device according to claim 1, wherein a supporting plate is arranged at the side wall of the shell and is in sliding connection with a sliding seat, a bearing seat is arranged at the sliding seat, a rotating shaft is arranged at the roller, and the rotating shaft is supported by the bearing seat; the supporting plate is provided with a push rod which can push the sliding seat to move;
the bottom of inner chamber has the slip table, the slip table with the inner wall sliding connection of shell, the slip table can for the shell is followed first direction and is slided, the support is installed on the upper portion of slip table, the cylinder passes through the support supports.
7. The light and heavy matter separating device according to claim 1, wherein the drum is supported by a bracket, and a rotation driving assembly is provided at the bracket for driving the drum to rotate.
8. The light and heavy matter separating device according to claim 1, wherein the lower ends of the light discharge port and the heavy discharge port are respectively provided with a storage barrel, and the lower bottom surface of the inner cavity in the storage barrel forms a weighing assembly.
9. The light and heavy matter separation device according to claim 8, wherein the upper end of the storage barrel is provided with a laser range finder, and the laser range finder can measure the height of the material in the storage barrel; the laser range finder can send the material height to the controller, the controller can read the material weight in the storage vat and the cross-sectional area of storage vat inner chamber, calculates the density of obtaining the material.
10. A light and heavy matter separating device according to claim 1, characterized in that a scraper is mounted on the side of the drum facing away from the conveyor line, said scraper being fixed to the housing and abutting against the outer lateral surface of the drum, said drum being rotatable and positionable about its own axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310657596.1A CN116371738B (en) | 2023-06-06 | 2023-06-06 | Light and heavy substance separation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310657596.1A CN116371738B (en) | 2023-06-06 | 2023-06-06 | Light and heavy substance separation device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116371738A CN116371738A (en) | 2023-07-04 |
| CN116371738B true CN116371738B (en) | 2023-08-01 |
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ID=86977249
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310657596.1A Active CN116371738B (en) | 2023-06-06 | 2023-06-06 | Light and heavy substance separation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116371738B (en) |
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| CN112108372A (en) * | 2020-09-25 | 2020-12-22 | 建瓯市映山龙农业科技有限公司 | Full high-quality kernel of corn wind selector |
| CN115256895A (en) * | 2022-08-08 | 2022-11-01 | 何茂君 | Softening and stretching device for film |
| CN218452394U (en) * | 2022-09-28 | 2023-02-07 | 山东群峰重工科技股份有限公司 | Solid waste light and heavy sorting unit |
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2023
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|---|---|---|---|---|
| CN204184895U (en) * | 2014-09-10 | 2015-03-04 | 肇庆市洪利电子科技有限公司 | A kind of shell air leak tester |
| CN206570302U (en) * | 2017-02-15 | 2017-10-20 | 江南大学 | A kind of roller leaven cultivating equipment |
| CN106894183A (en) * | 2017-04-21 | 2017-06-27 | 桐乡市新时代环保科技有限公司 | Perforated cylinder dyeing machine |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN116371738A (en) | 2023-07-04 |
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Denomination of invention: A device for separating light and heavy substances Granted publication date: 20230801 Pledgee: Shandong Ningjin Rural Commercial Bank Co.,Ltd. Pledgor: Shandong Qunfeng Heavy Industry Technology Co.,Ltd. Registration number: Y2024980020594 |