CN112024378A - Bouncing sorting screen - Google Patents
Bouncing sorting screen Download PDFInfo
- Publication number
- CN112024378A CN112024378A CN202010878934.0A CN202010878934A CN112024378A CN 112024378 A CN112024378 A CN 112024378A CN 202010878934 A CN202010878934 A CN 202010878934A CN 112024378 A CN112024378 A CN 112024378A
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- CN
- China
- Prior art keywords
- screen
- frame
- connecting portion
- bouncing
- support
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000000463 material Substances 0.000 claims abstract description 46
- 239000002994 raw material Substances 0.000 claims abstract description 18
- 239000002699 waste material Substances 0.000 claims abstract description 17
- 238000012216 screening Methods 0.000 claims abstract description 6
- 238000000926 separation method Methods 0.000 claims abstract description 6
- 238000007664 blowing Methods 0.000 claims abstract description 4
- 230000009467 reduction Effects 0.000 claims description 9
- 230000007246 mechanism Effects 0.000 claims description 7
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 230000001360 synchronised effect Effects 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 12
- 229910052742 iron Inorganic materials 0.000 description 6
- 239000004576 sand Substances 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000005191 phase separation Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000002910 solid waste Substances 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 229920001131 Pulp (paper) Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000006148 magnetic separator Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
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
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/28—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
- B07B1/286—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens with excentric shafts
-
- 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
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/42—Drive mechanisms, regulating or controlling devices, or balancing devices, specially adapted for screens
-
- 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
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
-
- 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
- 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
- B07B9/00—Combinations of apparatus for screening or sifting or for separating solids from solids using gas currents; General arrangement of plant, e.g. flow sheets
Landscapes
- Combined Means For Separation Of Solids (AREA)
Abstract
The invention discloses a bounce sorting screen, which comprises a rack, a screen body, a hood and a fan, wherein the rack is arranged on the rack; the screen body is obliquely arranged and mounted on the rack and is used for performing vibration screening separation on the waste residue raw material; the hood is arranged on the frame and covers the sieve body; the fan is arranged at one end of the hood and used for blowing light materials in the waste residue raw materials to the higher end of the screen body. The invention can separate the light and heavy components in the waste residue raw material from the source, and fundamentally solves the problems that the follow-up shredder blade is easy to damage and the blade is fast worn.
Description
Technical Field
The invention relates to the technical field of sorting equipment, in particular to a bouncing sorting screen.
Background
The solid waste washing line for papermaking generally uses a double-shaft shredder to shred materials, then enters a paper-plastic separator to separate paper pulp, then enters a rinsing tank to rinse the materials, separates light plastic skins from heavy impurities according to different specific gravities, and recycles the light plastic skins after dehydration.
The general flow of the material washing line of the present papermaking solid waste is as follows: the waste residue raw material is conveyed to a double-shaft shredder by a belt conveyor for shredding, meanwhile, a magnetic separator is released and installed on the belt conveyor for removing iron materials in the raw material, the shredded materials enter a paper-plastic separator by the belt conveyor, and then the paper-plastic separator is rinsed by a rinsing separator and dewatered by a drying machine to finish the cleaning process.
Above-mentioned washing line effect is unsatisfactory in the actual motion, and at first the magnet separator can only absorb the little iron material of volume, can only absorb the thing on material top layer moreover, and the inside iron material of material absorbs and can not come out, and the iron material that the volume is bigger slightly absorbs at all motionless, thereby gets into the shredder and causes the shredder blade to extremely easily damage, and fine sand in the material, earth also get into the shredder in the lump, cause the too fast wearing and tearing of its blade.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a bouncing separation sieve which is used for separating light and heavy components from fine crushing components in waste residue raw materials from the source, and fundamentally solving the problems that the follow-up shredder blade is easy to damage and the blade is fast to wear.
The invention provides a bounce sorting screen which comprises a rack, a screen body, a hood and a fan, wherein the rack is arranged on the rack; the screen body is obliquely arranged and mounted on the rack and is used for performing vibration screening separation on the waste residue raw material; the hood is arranged on the frame and covers the sieve body; the fan is arranged at one end of the hood and used for blowing light materials in the waste residue raw materials to the higher end of the screen body.
Further, still include the base, be equipped with first connecting portion and second connecting portion around the bottom of frame relatively, first connecting portion articulate in the base, the second connecting portion are fixed in through height-adjusting spare on the base.
Further, the height adjusting part comprises a support and a lock pin, the lower end of the support is fixed on the base, a plurality of gradient adjusting holes are formed in the support, fixing holes are formed in the second connecting part, and the lock pin penetrates through the positioning hole and the gradient adjusting holes with corresponding heights to position the second connecting part.
Further, the screen frame includes that to be fixed in through the spring support the reel in the frame, be fixed in sieve and be used for driving the sieve mechanism that shakes of reel vibration in the reel.
Furthermore, a plurality of support frames are arranged on two sides of the screen frame, and a spring is arranged between each support frame and the rack.
Further, the vibrating screen mechanism comprises at least one group of vibrating screen unit, and the vibrating screen unit comprises two bearing seats respectively fixed on two sides of the screen frame, an eccentric shaft rotatably mounted between the two bearing seats, and a speed reduction motor for driving the eccentric shaft to rotate.
Furthermore, the vibrating screen units are provided with two groups, and the speed reduction motors of the two groups of vibrating screen units are synchronous.
Furthermore, the gear motor is fixedly installed on one side of the rack, and an output shaft of the gear motor is connected with one end of the eccentric shaft through a universal coupling.
Furthermore, the hood is formed by welding steel plates and profiles, and a feed inlet is annularly formed in the upper portion of the hood.
Further, the fan is an axial flow fan.
The invention has the beneficial effects that: waste residue raw materials get into the spring sorting sieve through band conveyer, do the circular vibration along with the screen frame, similar dustpan principle, because the screen frame slope sets up, heavy material in the material moves toward the lower one end of screen frame, light material moves toward the higher one end of screen frame, fine crushing material falls through the sieve mesh, for avoiding smuggleing light material secretly in the heavy material, install the fan in the one end of aircraft bonnet, lean on wind-force to blow the light material that smugglies secretly to the higher one end of screen frame, thereby realize the three-phase separation of light material and fine crushing material, select separately through above-mentioned spring sorting sieve, separate out heavy material, heavy material such as iron plate, stone in having avoided the material gets into the shredder and destroys the blade, fine crushing material through the sieve mesh also does not get into the shredder, fine crushing material such as fine sand in the material has also been avoided the wearing and tearing of the shredder blade. Therefore, the application can separate the light and heavy components and the fine crushing components in the waste residue raw material from the source, and fundamentally solves the problems that the follow-up shredder blade is easy to damage and the blade is fast in abrasion.
Drawings
In order to more clearly illustrate the detailed description of the invention or the technical solutions in the prior art, the drawings that are needed in the detailed description of the invention or the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a side view of FIG. 1;
FIG. 3 is a schematic structural view of a screen body according to an embodiment of the present invention;
FIG. 4 is a cross-sectional view A-A of FIG. 3;
FIG. 5 is a schematic structural diagram of an eccentric shaft according to an embodiment of the present invention;
fig. 6 is a sectional view B-B of fig. 5.
In the drawing, 10-frame; 11-a first connection; 12-a second connection; 20-a sieve body; 21-a screen frame; 22-sieve plate; 23-a vibrating screen mechanism; 231-a bearing seat; 232-eccentric shaft; 233-a reduction motor; 234-universal coupling; 24-a spring; 25-a support frame; 30-a hood; 40-a fan; 50-a base; 51-a scaffold; 52-gradient adjustment hole.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
It is to be noted that, unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the invention pertains.
As shown in fig. 1-6, an embodiment of the present invention provides a bouncing sorting screen, which comprises a frame 10, a screen body 20, a hood 30 and a fan 40.
The frame 10 is formed by welding sectional materials, and the screen body 20 is obliquely arranged and installed on the frame 10 and used for carrying out vibration screening separation on waste residue raw materials. The hood 30 is formed by welding steel plates and section bars, the upper part of the hood 30 is provided with a feeding hole, and the hood 30 is arranged on the frame 10 and covers the screen body 20. The blower 40 is disposed at one end of the hood 30 for blowing the light materials in the waste residue raw material toward the higher end of the screen body 20, and the blower 40 is preferably an axial flow blower 40.
Waste residue raw materials get into spring sorting sieve through band conveyer, do circular vibration along with screen frame 20, similar dustpan principle, because screen frame 20 slope sets up, heavy material in the material moves toward the lower one end of screen frame 20, light material moves toward the higher one end of screen frame 20, fine crushing material falls through the sieve mesh, for avoiding smuggleing light material secretly in the heavy material, in the one end installation fan 40 of aircraft bonnet 30, lean on wind-force to blow smuggleing light material secretly to the higher one end of screen frame 20, thereby realize the three-phase separation of light material and fine crushing material, select separately through above-mentioned spring sorting sieve, separate out heavy material, heavy material such as iron plate, stone in having avoided the material gets into shredder and destroys the blade, fine crushing material through the sieve mesh also does not get into shredder, fine crushing material such as fine sand earth in the material has also been avoided the wearing and tearing of shredder blade. Therefore, the application can separate the light and heavy components and the fine crushing components in the waste residue raw material from the source, and fundamentally solves the problems that the follow-up shredder blade is easy to damage and the blade is fast in abrasion.
As a preferred embodiment, the screen frame further comprises a base 50, a first connecting portion 11 and a second connecting portion 12 are oppositely arranged at the front and back of the bottom of the frame 10, the first connecting portion 11 is hinged to the base 50, and the second connecting portion 12 is fixed on the base 50 through a height adjusting member, so that the included angle between the frame 10 and the base 50 can be adjusted through the height adjusting member, and the inclination angle of the screen body 20 can be adjusted.
A concrete altitude mixture control spare structure is shown in figure 1, altitude mixture control spare includes support 51 and lockpin (not shown in the figure), the lower extreme of support 51 is fixed on base 50, a plurality of slope regulation holes 52 have been seted up on support 51, set up fixed orifices (not shown in the figure) on second connecting portion 12, the lockpin passes locating hole and the slope regulation hole 52 of corresponding height, fix a position second connecting portion 12, second connecting portion 12 passes through the lockpin and fixes a position slope regulation hole 52 of different heights on support 51, can realize the adjustment at screen frame 20 inclination, its simple structure and firm, the adjustment is convenient.
A specific structure of the screen body 20 is shown in fig. 1, 3 and 4, the screen body 20 includes a screen frame 21 supported and fixed on the frame 10 by a spring 24, a screen plate 22 fixed in the screen frame 21, and a vibrating mechanism 23 for driving the screen frame 21 to vibrate, as a specific mounting structure of the screen body 20, a plurality of support frames 25 are provided at both sides of the screen frame 21, and a spring 24 is installed between each support frame 25 and the frame 10.
The vibrating sieve mechanism 23 of this embodiment specifically includes at least one set of vibrating sieve unit, "at least one set of vibrating sieve unit" means, the vibrating sieve unit can set up a set, two sets of even multiunit, every group vibrates the sieve unit and includes two bearing frames 231 that are fixed in reel 21 both sides respectively, rotate the eccentric shaft 232 of installing between two bearing frames 231 and be used for driving eccentric shaft 232 pivoted gear motor 233, drive eccentric shaft 232 through gear motor 233 and rotate, can drive screen frame 20 and do the circular vibration, during the screening, the waste residue raw materials is circular motion on sieve 22, it is strong to the throughput of waste residue raw materials, screening efficiency is high, it is reasonable to have technical parameter, structural strength, rigidity is high, the operation is reliable, the noise is little, easy maintenance etc.
Preferably, the vibrating screen units are provided in two sets, and the speed reduction motors 233 of the two vibrating screen units are synchronized to ensure that the eccentric forces generated when the two eccentric shafts 232 rotate are synchronized.
Preferably, the reduction motor 233 is fixedly installed at one side of the frame 10, and an output shaft of the reduction motor 233 is connected to one end of the eccentric shaft 232 through the universal coupling 234, so that reliable transmission between the reduction motor 233 and the eccentric shaft 232 is ensured in the vibrating process of the screen body 20.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description.
Claims (10)
1. A bounce separating screen is characterized in that:
comprises a frame, a screen body, a hood and a fan;
the screen body is obliquely arranged and mounted on the rack and is used for performing vibration screening separation on the waste residue raw material;
the hood is arranged on the frame and covers the sieve body;
the fan is arranged at one end of the hood and used for blowing light materials in the waste residue raw materials to the higher end of the screen body.
2. The bouncing sorting screen of claim 1, wherein: still include the base, be equipped with first connecting portion and second connecting portion around the bottom of frame relatively, first connecting portion articulate in the base, the second connecting portion are fixed in through height-adjusting spare on the base.
3. The bouncing sorting screen of claim 2, wherein: the height adjusting piece comprises a support and a lock pin, the lower end of the support is fixed on the base, a plurality of gradient adjusting holes are formed in the support, fixing holes are formed in the second connecting portion, and the lock pin penetrates through the positioning hole and the gradient adjusting holes with the corresponding heights to position the second connecting portion.
4. The bouncing separation screen of any one of claims 1-3, wherein: the screen frame includes to be fixed in through spring support the reel in the frame, be fixed in sieve in the reel and be used for the drive the vibrating mechanism that shakes of reel vibration.
5. The bouncing sorting screen of claim 4, wherein: a plurality of support frames are arranged on two sides of the screen frame, and a spring is installed between each support frame and the rack.
6. The bouncing sorting screen of claim 4, wherein: the vibrating screen mechanism comprises at least one group of vibrating screen unit, and the vibrating screen unit comprises two bearing seats respectively fixed on two sides of the screen frame, an eccentric shaft rotatably mounted between the two bearing seats and a speed reduction motor for driving the eccentric shaft to rotate.
7. The bouncing sorting screen of claim 6, wherein: the vibrating screen unit is provided with two groups, and the speed reduction motors of the two groups of vibrating screen units are synchronous.
8. The bouncing sorting screen of claim 6, wherein: the speed reducing motor is fixedly arranged on one side of the rack, and an output shaft of the speed reducing motor is connected with one end of the eccentric shaft through a universal coupling.
9. The bouncing sorting screen of claim 1, wherein: the aircraft bonnet is formed by steel sheet and section bar welding, and the aircraft bonnet upper portion ring is equipped with the feed inlet.
10. The bouncing sorting screen of claim 1, wherein: the fan is an axial flow fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010878934.0A CN112024378A (en) | 2020-08-27 | 2020-08-27 | Bouncing sorting screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010878934.0A CN112024378A (en) | 2020-08-27 | 2020-08-27 | Bouncing sorting screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112024378A true CN112024378A (en) | 2020-12-04 |
Family
ID=73585812
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010878934.0A Pending CN112024378A (en) | 2020-08-27 | 2020-08-27 | Bouncing sorting screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112024378A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114733764A (en) * | 2022-04-02 | 2022-07-12 | 常州大学 | A construction waste treatment device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US803558A (en) * | 1904-08-23 | 1905-11-07 | Andrew V Cleland | Fanning-mill. |
| CN204052137U (en) * | 2014-08-20 | 2014-12-31 | 嘉诺资源再生技术（苏州）有限公司 | Spring separating sieve |
| CN206064832U (en) * | 2016-07-30 | 2017-04-05 | 浙江建桦环保科技有限公司 | A kind of rod screening machine |
| CN207170255U (en) * | 2017-08-15 | 2018-04-03 | 苏州耐德新明和工程技术有限公司 | A kind of auxiliary formula spring screening machine of wind |
| CN208288421U (en) * | 2018-04-18 | 2018-12-28 | 洛阳大华重工科技股份有限公司 | A kind of dynamic centering type circular shale shaker |
| CN208574770U (en) * | 2018-05-07 | 2019-03-05 | 广东致顺化工环保设备有限公司 | A kind of material screening flusher |
| CN209174367U (en) * | 2018-11-08 | 2019-07-30 | 江苏科选环境科技有限公司 | A kind of heavily loaded bounce screen with double-drive device |
| CN210187742U (en) * | 2019-06-15 | 2020-03-27 | 鞍山重型矿山机器股份有限公司 | Bounce screening machine |
| CN210449855U (en) * | 2019-06-22 | 2020-05-05 | 成都建工赛利混凝土有限公司 | Sandstone screening machine |
| CN210614316U (en) * | 2019-08-14 | 2020-05-26 | 广东绿洁能源科技有限公司 | Bouncing screen |
-
2020
- 2020-08-27 CN CN202010878934.0A patent/CN112024378A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US803558A (en) * | 1904-08-23 | 1905-11-07 | Andrew V Cleland | Fanning-mill. |
| CN204052137U (en) * | 2014-08-20 | 2014-12-31 | 嘉诺资源再生技术（苏州）有限公司 | Spring separating sieve |
| CN206064832U (en) * | 2016-07-30 | 2017-04-05 | 浙江建桦环保科技有限公司 | A kind of rod screening machine |
| CN207170255U (en) * | 2017-08-15 | 2018-04-03 | 苏州耐德新明和工程技术有限公司 | A kind of auxiliary formula spring screening machine of wind |
| CN208288421U (en) * | 2018-04-18 | 2018-12-28 | 洛阳大华重工科技股份有限公司 | A kind of dynamic centering type circular shale shaker |
| CN208574770U (en) * | 2018-05-07 | 2019-03-05 | 广东致顺化工环保设备有限公司 | A kind of material screening flusher |
| CN209174367U (en) * | 2018-11-08 | 2019-07-30 | 江苏科选环境科技有限公司 | A kind of heavily loaded bounce screen with double-drive device |
| CN210187742U (en) * | 2019-06-15 | 2020-03-27 | 鞍山重型矿山机器股份有限公司 | Bounce screening machine |
| CN210449855U (en) * | 2019-06-22 | 2020-05-05 | 成都建工赛利混凝土有限公司 | Sandstone screening machine |
| CN210614316U (en) * | 2019-08-14 | 2020-05-26 | 广东绿洁能源科技有限公司 | Bouncing screen |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114733764A (en) * | 2022-04-02 | 2022-07-12 | 常州大学 | A construction waste treatment device |
| CN114733764B (en) * | 2022-04-02 | 2023-08-18 | 常州大学 | Construction waste treatment device |
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| PB01 | Publication | ||
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Application publication date: 20201204 |