CN112893111A - Screening plant for soil remediation - Google Patents
Screening plant for soil remediation Download PDFInfo
- Publication number
- CN112893111A CN112893111A CN202110054516.4A CN202110054516A CN112893111A CN 112893111 A CN112893111 A CN 112893111A CN 202110054516 A CN202110054516 A CN 202110054516A CN 112893111 A CN112893111 A CN 112893111A
- Authority
- CN
- China
- Prior art keywords
- shaking
- box body
- screen
- circular screen
- connecting block
- 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.)
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Classifications
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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
- 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
- B07B1/34—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens jigging or moving to-and-fro perpendicularly or approximately perpendiculary to the plane of the screen
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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
- 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
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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
- 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
- B07B1/4609—Constructional details of screens in general; Cleaning or heating of screens constructional details of screening surfaces or meshes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C1/00—Reclamation of contaminated soil
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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
- B07B2201/00—Details applicable to machines for screening using sieves or gratings
- B07B2201/04—Multiple deck screening devices comprising one or more superimposed screens
Abstract
The invention discloses a screening device for soil remediation, which comprises a box body and a screening component arranged in the box body, wherein the screening component comprises a first round screen, a second round screen and a shaking device, and the first round screen and the second round screen are vertically arranged in the box body through four groups of shaking devices; the shaking device comprises a first shaking spring, a second shaking spring, a first connecting block, a second connecting block and a shaking lifting rod, wherein limiting rods are arranged on the first connecting block and the second connecting block, and the limiting rods and the connecting lugs form movable fit. The first shaking spring and the second shaking spring are adopted and matched with the shaking lifting rod to stretch, so that the first circular sieve and the second circular sieve form inertial shaking, and the screening effect is enhanced; a feeding motor is adopted to drive a feeding plate to rotate, so that materials are prevented from being accumulated, and the screening efficiency is improved; and the first round sieve and the second round sieve are flexibly arranged on the first connecting block and the second connecting block respectively by adopting the matching of the limiting holes and the limiting rods, so that the sieving and the discharging are facilitated.
Description
Technical Field
The invention relates to a screening device, in particular to a screening device for soil remediation.
Background
With the increasing severity of environmental problems, the development of environmental protection technology is more and more emphasized, soil pollution is one of the environmental pollution problems which afflict people and is always the key point of attention and research of people, and soil remediation is a technical measure for restoring the normal functions of polluted soil.
Soil restoration process need sieve soil with the help of screening plant, and in the prior art, screening plant adopts the round sieve that has the sieve mesh mostly to sieve soil, nevertheless lacks the shake device, can not drive the inertia shake of round sieve, leads to sieving inhomogeneous to block up the sieve mesh easily, the screening effect is not good enough. Therefore, we provide a screening device for soil remediation.
Disclosure of Invention
The invention aims to provide a screening device for soil remediation, which solves the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a screening device for soil remediation comprises a box body and a screening component arranged in the box body, wherein the top of the box body is communicated with a feed hopper, and a discharge end of the box body is positioned above the screening component; the screening assembly comprises a first circular screen, a second circular screen and a shaking device, four groups of connecting lugs are fixedly arranged on the peripheries of the first circular screen and the second circular screen and movably connected with the shaking device, the first circular screen and the second circular screen are vertically arranged in the box body through the four groups of shaking devices, the first circular screen is positioned above the second circular screen, a plurality of groups of screen holes are formed in the bottoms of the first circular screen and the second circular screen, and the aperture of the screen holes on the first circular screen is larger than that of the screen holes on the second circular screen; the shaking device comprises a first shaking spring, a second shaking spring and a shaking lifting rod, the shaking lifting rod is fixedly installed at the top of the box body, the extending end of the shaking lifting rod is fixedly connected with the top of the first shaking spring, a first connecting block is arranged at the bottom of the first shaking spring, the top of the second shaking spring is fixedly installed at the bottom of the first connecting block, a second connecting block is arranged at the bottom of the first connecting block, and a limiting rod is arranged on the first connecting block and the second connecting block and forms movable fit with a connecting lug.
As a further scheme of the invention: feed arrangement includes feeder hopper and feed plate, feeder hopper UNICOM sets up the box top and its discharge gate is located first circular sieve top, the feed plate both ends pass through the bearing with the feeder hopper rotates to be connected and its one end is worn out the feeder hopper and fixed mounting be in feeding motor linkage setting on the box outer wall.
As a further scheme of the invention: and the connecting side lug is provided with a limiting hole, and the limiting hole is movably matched with the limiting rod.
As a further scheme of the invention: a discharge hopper is further arranged below the second round screen, and the discharge hopper is placed at the bottom of the box body and corresponds to a third box door arranged on the side wall of the box body in position.
As a further scheme of the invention: and a feeding door is also arranged at the top of the feeding hopper.
As a further scheme of the invention: the box body side wall is further provided with a first box door and a second box door, and the first box door and the second box door correspond to the first round sieve and the second round sieve respectively in position.
As a further scheme of the invention: the supporting device comprises supporting rods and a supporting base, the supporting rods are fixedly mounted at the bottom of the box body, the other end of the supporting rods is in threaded connection with the supporting base, and a plurality of groups of anti-skidding lines are further arranged on one side, far away from the supporting rods, of the supporting base.
Compared with the prior art, the invention has the beneficial effects that:
the first shaking spring and the second shaking spring are adopted to be matched with the shaking lifting rod to stretch and retract so as to drive the first circular sieve and the second circular sieve to move up and down, and the first circular sieve and the second circular sieve form inertial shaking under the elastic force action of the first shaking spring and the second shaking spring, so that the screening effect is enhanced; the feeding motor is adopted to drive the feeding plate to rotate, so that materials are put on the first circular sieve in batches, the materials are prevented from being accumulated at the discharge port, the first circular sieve is convenient to sieve the materials, and the sieving efficiency is improved; a feeding door is adopted, so that splashing of animal materials is avoided when the feeding plate rotates for feeding, and material loss is reduced; the first round sieve and the second round sieve are flexibly arranged on the first connecting block and the second connecting block respectively by adopting the matching of the limiting hole and the limiting rod, so that the screening and the discharging are facilitated; the first box door, the second box door and the third box door are adopted, so that materials remained in the first round sieve, the second round sieve and the discharge hopper can be conveniently and respectively collected in a centralized manner after the materials are screened; adopt bracing piece and support base screw-thread fit, place this device subaerial, when the ground is uneven, the height of four group's strutting arrangement is adjusted respectively to the rotatory support base to make this device stable, the practicality is strong.
Drawings
Fig. 1 is a schematic structural diagram of a screening device for soil remediation.
Fig. 2 is a schematic structural diagram of a feeding plate in the screening device for soil remediation.
Fig. 3 is a schematic structural view of a screen assembly in a screening device for soil remediation.
Fig. 4 is a schematic structural view of a second circular sieve in the screening device for soil remediation.
Description of reference numerals:
1-a feed gate; 2-a feed hopper; 3-shaking the lifting rod; 4-a first box door; 5-a first connection block; 6-a second wobble spring; 7-a second connecting block; 8-a second door; 9-a support bar; 10-a support base; 11-a discharge hopper; 12-a third door; 13-a second circular screen; 14-a box body; 15-a first circular screen; 16-a first dither spring; 17-a feed plate; 18-a feed motor; 19-a limiting rod; 20-connecting edge lugs; 21-limiting hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Referring to fig. 1 to 4, in the embodiment of the invention, the screening device for soil remediation comprises a box body 14 and a screening component arranged inside the box body 14, wherein the top of the box body 14 is communicated with a feed hopper 2, and a discharge end of the feed hopper is positioned above the screening component, so that materials can be conveniently thrown into the box body 14; the screening component comprises a first circular screen 15, a second circular screen 13 and a shaking device, four groups of connecting lugs 20 are fixedly arranged on the peripheries of the first circular screen 15 and the second circular screen 13, the connecting lugs 20 are movably connected with the shaking device, the first circular screen 15 and the second circular screen 13 are vertically arranged in the box body 14 through the four groups of shaking devices, the first circular screen 15 is positioned above the second circular screen 13, a plurality of groups of screen holes are formed in the bottoms of the first circular screen 15 and the second circular screen 13, the screen hole diameter of the first circular screen 15 is larger than that of the second circular screen 13, the shaking device drives the first circular screen 15 and the second circular screen 13 to shake, and rapid screening of materials is achieved; the shaking device comprises a first shaking spring 16, a second shaking spring 6 and a shaking lifting rod 3, the shaking lifting rod 3 is fixedly arranged at the top of the box body 14, the extending end of the shaking lifting rod 3 is fixedly connected with the top of the first shaking spring 16, the bottom of the first shaking spring 16 is provided with a first connecting block 5, the top of the second shaking spring 6 is fixedly arranged at the bottom of the first connecting block 5, the bottom of the second shaking spring 6 is provided with a second connecting block 7, the first connecting block 5 and the second connecting block 7 are provided with a limiting rod 19, and the limiting rod 19 and the connecting lug 20 are movably matched; the shaking lifting rod 3 stretches and retracts, the first round screen 15 and the second round screen 13 are driven to move up and down through the first shaking spring 16 and the second shaking spring 6 respectively, and under the elastic force action of the first shaking spring 16 and the second shaking spring 6, the first round screen 15 and the second round screen 13 form inertia shaking, so that the screening effect is enhanced.
The feeding device comprises a feeding hopper 2 and a feeding plate 17, the feeding hopper 2 is communicated with the top of the box body 14, a discharging port of the feeding hopper is positioned above the first round screen 15, two ends of the feeding plate 17 are rotatably connected with the feeding hopper 2 through bearings, and one end of the feeding plate 17 penetrates through the feeding hopper 2 and is in linkage with a feeding motor 18 fixedly arranged on the outer wall of the box body 14; the feeding motor 18 drives the feeding plate 17 to rotate, so that materials are fed to the first circular sieve 15 in batches, the materials are prevented from being accumulated at the discharge port, the first circular sieve 15 is convenient to sieve the materials, and the sieving efficiency is improved; in order to avoid splashing with animal feed when the feed plate 17 rotates for feeding, the top of the feed hopper 2 is also provided with a feed door 1, so that material loss is reduced.
Connect and seted up spacing hole 21 on the auris 20 and spacing hole 21 forms clearance fit with gag lever post 19, through spacing hole 21 and gag lever post 19's cooperation for first circular sieve 15 and second circular sieve 13 are nimble respectively to be installed on first connecting block 5 and second connecting block 7, are convenient for sieve and the ejection of compact.
A discharge hopper 11 is further arranged below the second round screen 13, and the discharge hopper 11 is placed at the bottom of the box body 14 and corresponds to a third box door 12 arranged on the side wall of the box body 14 in position; after the material screening is finished, the third box door 12 is opened, the discharging hopper 11 is taken out, and the materials falling in the discharging hopper 11 are collected conveniently and intensively.
The side wall of the box body 14 is also provided with a first box door 4 and a second box door 8, and the first box door 4 and the second box door 8 respectively correspond to the first round sieve 15 and the second round sieve 13 in position; after the material screening is finished, open first chamber door 4 and second chamber door 8, take out first circular sieve 15 and second circular sieve 13 respectively, conveniently concentrate the collection and remain the material on first circular sieve 15 and second circular sieve 13.
Example 2
Referring to fig. 1, in an embodiment of the present invention, in order to improve the stability of the device, on the basis of embodiment 1, four sets of supporting devices are fixedly installed at the bottom of a box 14, each supporting device includes a supporting rod 9 and a supporting base 10, the supporting rod 9 is fixedly installed at the bottom of the box 14, the other end of the supporting rod is in threaded connection with the supporting base 10, and one side of the supporting base 10, which is far away from the supporting rod 9, is further provided with a plurality of sets of anti-skid threads; through the cooperation of bracing piece 9 and support base 10, place this device subaerial, when the ground is uneven, the height of four strutting arrangement of group is adjusted respectively to rotatory support base 10 to make this device stable, the practicality is strong.
The working principle of the invention is as follows:
when the device works, the supporting base 10 is rotated according to the leveling condition of the ground, and the heights of the four groups of supporting devices are respectively adjusted, so that the device is stably erected on the ground; cleaning the screen holes of the first round screen 15 and the second round screen 13, and installing the first round screen 15 and the second round screen 13 on a shaking device through the matching of a limiting hole 21 and a limiting rod 19; opening the feeding door 1, adding materials into the feeding hopper 2, and closing the feeding door 1; starting a feeding motor 18, wherein the feeding motor 18 drives a feeding plate 17 to rotate, so that materials are put on a first circular sieve 15 in batches, and the materials are prevented from being accumulated at a discharge hole; starting the shaking lifting rod 3, wherein the shaking lifting rod 3 stretches and retracts, and drives the first circular sieve 15 to move up and down through the first shaking spring 16, under the elastic force action of the first shaking spring 16, the first circular sieve 15 drives materials to form inertial shaking, so that the materials smaller than the sieve pores of the first circular sieve 15 fall on the second circular sieve 13, and under the elastic force action of the second shaking spring 6, the second circular sieve 13 drives the materials to form inertial shaking, so that the materials smaller than the sieve pores of the second circular sieve 13 fall on the discharge hopper 11; after the screening of material is finished, open first chamber door 4, second chamber door 8 and third chamber door 12, take out first rotary screen 15, second rotary screen 13 and play hopper 11 respectively, conveniently concentrate the collection and remain the material in first rotary screen 15, second rotary screen 13 and play hopper 11.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (7)
1. The screening device for soil remediation comprises a box body (14) and a screening component arranged inside the box body (14), and is characterized in that the top of the box body (14) is provided with a feed hopper (2) in a communication mode, and the discharge end of the feed hopper is located above the screening component; the screening assembly comprises a first circular screen (15), a second circular screen (13) and a shaking device, wherein four groups of connecting lugs (20) are fixedly arranged on the peripheries of the first circular screen (15) and the second circular screen (13) and are movably connected with the shaking device, the first circular screen (15) and the second circular screen (13) are vertically arranged in a box body (14) through the four groups of shaking devices, the first circular screen (15) is positioned above the second circular screen (13), a plurality of groups of screen holes are formed in the bottoms of the first circular screen (15) and the second circular screen (13), and the screen hole diameter of the first circular screen (15) is larger than that of the second circular screen (13); the shaking device comprises a first shaking spring (16), a second shaking spring (6) and a shaking lifting rod (3), wherein the shaking lifting rod (3) is fixedly arranged at the top of the box body (14) and the extending end of the shaking lifting rod is fixedly connected with the top of the first shaking spring (16), a first connecting block (5) is arranged at the bottom of the first shaking spring (16), the top of the second shaking spring (6) is fixedly arranged at the bottom of the first connecting block (5) and the bottom of the second shaking spring is provided with a second connecting block (7), a limiting rod (19) is arranged on the first connecting block (5) and the second connecting block (7), and the limiting rod (19) and a connecting lug (20) form movable fit.
2. A screening device for soil remediation according to claim 1, wherein the feeding device comprises a feeding hopper (2) and a feeding plate (17), the feeding hopper (2) is communicated with and arranged on the top of the box body (14) and the discharge port of the feeding hopper is located above the first circular screen (15), two ends of the feeding plate (17) are rotatably connected with the feeding hopper (2) through bearings, and one end of the feeding plate penetrates out of the feeding hopper (2) and is linked with a feeding motor (18) fixedly arranged on the outer wall of the box body (14).
3. A screening device for soil remediation according to claim 1, wherein the connection lugs (20) are provided with limiting holes (21) and the limiting holes (21) are in movable fit with the limiting rods (19).
4. A screening device for soil remediation according to claim 1 wherein a discharge hopper (11) is also provided below the second circular screen (13), the discharge hopper (11) being placed at the bottom of the box (14) and being located to correspond to a third box door (12) opening onto a side wall of the box (14).
5. A screening device for soil remediation according to claim 4 wherein the feed hopper (2) is also fitted with a feed gate (1) at its top.
6. A screening device for soil remediation according to claim 4, wherein the side wall of the box body (14) is further provided with a first box door (4) and a second box door (8), and the first box door (4) and the second box door (8) correspond to the first round screen (15) and the second round screen (13) in position respectively.
7. A screening device for soil remediation according to claim 6, wherein four sets of support devices are fixedly mounted at the bottom of the box body (14), each support device comprises a support rod (9) and a support base (10), the support rods (9) are fixedly mounted at the bottom of the box body (14) and are in threaded connection with the support base (10) at the other ends, and a plurality of sets of anti-skid threads are further arranged on one side of the support base (10) far away from the support rods (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110054516.4A CN112893111A (en) | 2021-01-15 | 2021-01-15 | Screening plant for soil remediation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110054516.4A CN112893111A (en) | 2021-01-15 | 2021-01-15 | Screening plant for soil remediation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112893111A true CN112893111A (en) | 2021-06-04 |
Family
ID=76114688
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110054516.4A Pending CN112893111A (en) | 2021-01-15 | 2021-01-15 | Screening plant for soil remediation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112893111A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113844905A (en) * | 2021-08-16 | 2021-12-28 | 建德华明高纳新材料有限公司 | Continuous unloader of aluminium oxide |
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|---|---|---|---|---|
| GB589615A (en) * | 1945-11-09 | 1947-06-25 | Frederick Augustus Drew | Improvements in and relating to screening apparatus |
| US20160038975A1 (en) * | 2013-04-28 | 2016-02-11 | Yuemin Zhao | Synchronous statically indeterminate mesh-beam excitation large-scale vibrating screen |
| CN107626571A (en) * | 2017-09-25 | 2018-01-26 | 深圳市晟腾企业管理有限公司 | A kind of swing type Sand screen for building |
| CN108126892A (en) * | 2017-12-25 | 2018-06-08 | 郑州丽福爱生物技术有限公司 | A kind of mixing type feed separating screen device with shock-absorbing function |
| CN208928566U (en) * | 2018-10-19 | 2019-06-04 | 陇西县效德中药材有限责任公司 | A kind of multistage oscillatory type Choice of Chinese medicine material device |
| CN110369251A (en) * | 2019-07-30 | 2019-10-25 | 彭绘绘 | A kind of seed processing screening plant |
| CN209697414U (en) * | 2018-11-26 | 2019-11-29 | 陈童明 | A kind of agricultural machinery fertilizer screening plant |
| CN211412725U (en) * | 2019-12-31 | 2020-09-04 | 安徽新建控股集团有限公司 | Multistage sieving mechanism of sand for construction |
| CN212093217U (en) * | 2020-04-03 | 2020-12-08 | 上海芦扬农副产品配送有限公司 | Agricultural and sideline products delivery uses high-efficient sorting device |
| CN212190026U (en) * | 2020-05-07 | 2020-12-22 | 李宁 | Categorised sieving mechanism of pharmacy department of hospital medicine |
-
2021
- 2021-01-15 CN CN202110054516.4A patent/CN112893111A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB589615A (en) * | 1945-11-09 | 1947-06-25 | Frederick Augustus Drew | Improvements in and relating to screening apparatus |
| US20160038975A1 (en) * | 2013-04-28 | 2016-02-11 | Yuemin Zhao | Synchronous statically indeterminate mesh-beam excitation large-scale vibrating screen |
| CN107626571A (en) * | 2017-09-25 | 2018-01-26 | 深圳市晟腾企业管理有限公司 | A kind of swing type Sand screen for building |
| CN108126892A (en) * | 2017-12-25 | 2018-06-08 | 郑州丽福爱生物技术有限公司 | A kind of mixing type feed separating screen device with shock-absorbing function |
| CN208928566U (en) * | 2018-10-19 | 2019-06-04 | 陇西县效德中药材有限责任公司 | A kind of multistage oscillatory type Choice of Chinese medicine material device |
| CN209697414U (en) * | 2018-11-26 | 2019-11-29 | 陈童明 | A kind of agricultural machinery fertilizer screening plant |
| CN110369251A (en) * | 2019-07-30 | 2019-10-25 | 彭绘绘 | A kind of seed processing screening plant |
| CN211412725U (en) * | 2019-12-31 | 2020-09-04 | 安徽新建控股集团有限公司 | Multistage sieving mechanism of sand for construction |
| CN212093217U (en) * | 2020-04-03 | 2020-12-08 | 上海芦扬农副产品配送有限公司 | Agricultural and sideline products delivery uses high-efficient sorting device |
| CN212190026U (en) * | 2020-05-07 | 2020-12-22 | 李宁 | Categorised sieving mechanism of pharmacy department of hospital medicine |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113844905A (en) * | 2021-08-16 | 2021-12-28 | 建德华明高纳新材料有限公司 | Continuous unloader of aluminium oxide |
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