CN114570090A - High-efficient double-deck mud vibration screen cloth - Google Patents
High-efficient double-deck mud vibration screen cloth Download PDFInfo
- Publication number
- CN114570090A CN114570090A CN202111590208.XA CN202111590208A CN114570090A CN 114570090 A CN114570090 A CN 114570090A CN 202111590208 A CN202111590208 A CN 202111590208A CN 114570090 A CN114570090 A CN 114570090A
- Authority
- CN
- China
- Prior art keywords
- sieve
- frame
- screen
- plate
- shale shaker
- 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
- 239000004744 fabric Substances 0.000 title claims abstract description 18
- 238000001914 filtration Methods 0.000 claims description 25
- 239000011148 porous material Substances 0.000 claims description 10
- 238000007789 sealing Methods 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 239000002390 adhesive tape Substances 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 239000002002 slurry Substances 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000009467 reduction Effects 0.000 abstract description 4
- 239000002245 particle Substances 0.000 description 4
- 239000000843 powder Substances 0.000 description 4
- 238000012216 screening Methods 0.000 description 4
- 230000002708 enhancing effect Effects 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000013016 damping Methods 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 238000011045 prefiltration Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/01—Filters with filtering elements which move during the filtering operation with translationally moving filtering elements, e.g. pistons
- B01D33/03—Filters with filtering elements which move during the filtering operation with translationally moving filtering elements, e.g. pistons with vibrating filter elements
- B01D33/0346—Filters with filtering elements which move during the filtering operation with translationally moving filtering elements, e.g. pistons with vibrating filter elements with flat filtering elements
- B01D33/0353—Filters with filtering elements which move during the filtering operation with translationally moving filtering elements, e.g. pistons with vibrating filter elements with flat filtering elements self-supporting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/35—Filters with filtering elements which move during the filtering operation with multiple filtering elements characterised by their mutual disposition
- B01D33/41—Filters with filtering elements which move during the filtering operation with multiple filtering elements characterised by their mutual disposition in series connection
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Combined Means For Separation Of Solids (AREA)
Abstract
The invention discloses a high-efficiency double-layer slurry vibrating screen which comprises an upper frame, a lower frame, an upper screen plate and a lower screen plate, wherein the upper frame and the lower frame are arranged in a staggered manner; an upper sieve plate is arranged on the upper surface of the upper frame, sieve holes are formed in the upper sieve plate, and a screen mesh is arranged in each sieve hole; a lower sieve plate is arranged on the lower surface of the lower frame, sieve holes are formed in the lower sieve plate, and a screen is arranged in each sieve hole; the screen cloth of going up the sieve is coarse screen, the screen cloth of lower sieve is fine screen. The high-efficiency double-layer slurry vibrating screen is simple in structure and practical in function, and effectively solves the problems that the existing vibrating screen needs to be screened twice, the process is complicated, the working efficiency is low, a large amount of labor is needed, and the reduction of the production cost is not facilitated.
Description
Technical Field
The invention relates to the field of vibrating screens, in particular to a high-efficiency double-layer slurry vibrating screen.
Background
Shale shaker is the indispensable equipment in the oil drilling, from the drilling fluid of circulation to ground in the pit, at first sieve through shale shaker, clear away the big solid particle of diameter, then change the less shale shaker of screen cloth diameter and sieve, further clear away the great solid particle of diameter, could get into desander or desliming ware, with the solid content in the further reduction mud, sieve twice need divide, the process is loaded down with trivial details, low working efficiency, and need a large amount of manual works, be unfavorable for reducing manufacturing cost, therefore, how to develop a high-efficient double-deck shale shaker becomes the problem that technical staff need to solve urgently in this field.
Disclosure of Invention
The invention aims to provide a high-efficiency double-layer slurry vibrating screen, which solves the problems that the existing vibrating screen needs to be screened twice, the process is complicated, the working efficiency is low, a large amount of labor is needed, and the reduction of the production cost is not facilitated.
In order to solve the technical problems, the invention adopts the following technical scheme:
the invention discloses a high-efficiency double-layer slurry vibrating screen which comprises an upper frame, a lower frame, an upper screen plate and a lower screen plate, wherein the upper frame and the lower frame are arranged in a staggered manner; an upper sieve plate is arranged on the upper surface of the upper frame, sieve holes are formed in the upper sieve plate, and a screen mesh is arranged in each sieve hole; the lower surface of the lower frame is provided with a lower sieve plate, the lower sieve plate is provided with sieve pores, and a screen is arranged in each sieve pore; the screen cloth of going up the sieve is coarse screen, the screen cloth of lower sieve is fine screen.
Further, the upper screen plate is fixed on the upper surface of the upper frame through mounting nails; the lower sieve plate is fixedly arranged on the lower surface of the lower frame through mounting nails.
Furthermore, a sealing ring is arranged on the contact surface of the upper frame and the lower frame.
Further, the shape of the sieve holes is polygonal or circular.
Further, the shape of the sieve holes is regular hexagon.
Furthermore, the staggered position of the lower frame and the upper frame is provided with a pre-filtering plate, the pre-filtering plate comprises filtering wires and fixing wires, and a plurality of filtering wires are uniformly welded on the fixing wires to form a filtering structure.
Furthermore, the lower surface of the upper frame is provided with a third sieve plate, the third sieve plate is provided with a vibration ball limiting frame matched with sieve holes on the upper sieve plate, and a vibration ball is arranged in the vibration ball limiting frame.
Further, the sides of the upper and lower frames are bonded by an adhesive tape.
Furthermore, the upper frame and the lower frame are welded by square steel.
Compared with the prior art, the invention has the beneficial technical effects that:
the efficient double-layer slurry vibrating screen is provided with the upper screen plate and the lower screen plate which are staggered, and the coarse screen and the screen washing screen are simultaneously filtered twice by one vibrating device, so that the filtering efficiency is greatly increased, the filtering program is reduced, and the labor intensity of workers is reduced; the high-efficiency double-layer slurry vibrating screen mesh is provided with the pre-filtering plate and the lower screening plate which are matched, so that the service life of the lower screening plate is effectively prolonged; the efficient double-layer slurry vibrating screen further accelerates the filtering efficiency by arranging the vibrating ball structure between the upper screen plate and the third screen plate of the upper frame. In general, the high-efficiency double-layer slurry vibrating screen is simple in structure and practical in function, and effectively solves the problems that the existing vibrating screen needs to be screened twice, the process is complicated, the working efficiency is low, a large amount of labor is needed, and the reduction of the production cost is not facilitated.
Drawings
The invention is further illustrated by the following description in conjunction with the accompanying drawings:
FIG. 1 is an isometric view of a high efficiency double layer shale shaker screen of the present invention (example 1);
FIG. 2 is an exploded view of the upper and lower frames;
FIG. 3 is a top view and a bottom view of the frame;
FIG. 4 is an isometric view of a high efficiency double layer shale shaker screen of the present invention (example 2);
FIG. 5 is an enlarged view of point B in FIG. 4;
fig. 6 is a third screen deck and a top view;
fig. 7 is an enlarged view of point a in fig. 6.
Description of reference numerals: 1. an upper frame; 2. a lower frame; 3. installing a nail; 4. an upper sieve plate; 5. a lower sieve plate; 6. screening holes; 7. screening a screen; 8. a seal ring; 9. a pre-filter plate; 901. filtering the silk; 902. fixing the wire; 10. vibrating the ball; 11. a vibration ball limiting frame; 12. and a third sieve plate.
Detailed Description
Example 1
As shown in fig. 1, 2 and 3, a high efficiency double layer shale shaker screen comprises an upper frame 1, a lower frame 2, an upper screen deck 4 and a lower screen deck 5.
The upper frame 1 and the lower frame 2 are arranged in a staggered manner, and the upper frame 1 is arranged at the upper end of the lower frame 2. The upper frame 1 is fixedly connected to the lower frame 2 through epoxy resin or rubber powder.
The upper surface of the upper frame 1 is provided with an upper sieve plate 4, the upper sieve plate 4 is provided with sieve pores 6, and the sieve pores 6 are internally provided with a screen 7.
The lower surface of underframe 2 is provided with down sieve 5, be provided with sieve mesh 6 on the sieve 5 down, be provided with screen cloth 7 in the sieve mesh 6.
The shape of the sieve holes 6 is polygonal or circular.
Specifically, the shape of the sieve holes 6 is a regular hexagon, which is used for enhancing the strength of the sieve mesh 7.
The screen cloth 7 of the upper sieve plate 4 is a coarse screen cloth for filtering large-particle impurities, and the screen cloth 7 of the lower sieve plate 5 is a fine screen cloth for filtering small-particle impurities.
The upper screen deck 4 is fixed on the upper surface of the upper frame 1 by mounting nails 3. The lower screen plate 5 is fixedly mounted on the lower surface of the lower frame 2 by mounting nails 3.
And a sealing ring 8 is arranged on the contact surface of the upper frame 1 and the lower frame 2, and the sealing ring 8 has a certain damping function.
The upper frame 1 and the lower frame 2 are both formed by welding square steel, and a plurality of reinforcing ribs are arranged in the upper frame 1 and the lower frame 2.
The action process of the invention is as follows:
mud enters from the left side of the vibrating screen, and a part of mud directly flows to the lower screen plate 5 through the intersection of the upper frame 1 and the lower frame 2 for filtering; the other part of the mud reaches the lower sieve plate 5 after being filtered by the upper sieve plate 4 and then is filtered by the lower sieve plate 5.
Example 2
As shown in fig. 4, 5, 6 and 7, a high efficiency double layer shale shaker includes an upper frame 1, a lower frame 2, an upper screen deck 4 and a lower screen deck 5.
The upper frame 1 and the lower frame 2 are arranged in a staggered mode, and the upper frame 1 is arranged at the upper end of the lower frame 2. The sides of the upper frame 1 and the lower frame 2 are bonded by an adhesive tape.
The upper surface of the upper frame 1 is provided with an upper sieve plate 4, the upper sieve plate 4 is provided with sieve pores 6, and the sieve pores 6 are internally provided with a screen 7.
The lower surface of underframe 2 is provided with down sieve 5, be provided with sieve mesh 6 on the sieve 5 down, be provided with screen cloth 7 in the sieve mesh 6.
The screen 7 of the upper sieve plate 4 is a coarse screen, and the screen 7 of the lower sieve plate 5 is a fine screen.
The lower surface of the upper frame 1 is provided with a third sieve plate 12, the third sieve plate 12 is provided with a vibration ball limiting frame 11 matched with sieve holes 6 on the upper sieve plate 4, and a vibration ball 10 is arranged in the vibration ball limiting frame 11 and used for further accelerating the filtering efficiency.
The shape of the sieve holes 6 is polygonal or circular.
Specifically, the shape of the sieve pore 6 is a regular hexagon, and the shape of the vibration ball limiting frame 11 is adapted to the shape of the sieve pore 6.
The upper sieve plate 4 is fixed on the upper surface of the upper frame 1 through rubber powder; the third sieve plate 12 is fixed on the lower surface of the upper frame 1 through rubber powder; the lower sieve plate 5 is fixedly arranged on the lower surface of the lower frame 2 through rubber powder.
And a sealing ring 8 is arranged on the upper surface of the lower frame 2 and used for sealing and damping.
The staggered position of the lower frame 2 and the upper frame 1 is provided with a pre-filtering plate 9, the pre-filtering plate 9 comprises filtering wires 901 and fixing wires 902, a plurality of filtering wires 901 are uniformly welded on the fixing wires 902 to form a filtering structure, the pre-filtering plate 9 can prevent large granular impurities from directly flowing to the lower sieve plate 5, and the service life of the sieve plate 5 can be effectively prolonged.
The upper frame 1 and the lower frame 2 are both formed by welding square steel, a plurality of reinforcing ribs are arranged in the lower frame 2 and used for enhancing the structural strength of the lower sieve plate 5, and the vibration ball limiting frame 11 in the upper frame 1 has the function of enhancing the structural strength of the upper sieve plate 4 and the third sieve plate 12.
The action process of the invention is as follows:
the mud enters from the left side of the vibrating screen, and a part of the mud flows onto the lower screen plate 5 after being filtered by the pre-filtering plates 9 at the staggered positions of the upper frame 1 and the lower frame 2 and is filtered again; the other part of the mud reaches the lower sieve plate 5 after being filtered by the upper sieve plate 4 and then is filtered by the lower sieve plate 5.
The above-described embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solutions of the present invention can be made by those skilled in the art without departing from the spirit of the present invention, and the technical solutions of the present invention are within the scope of the present invention defined by the claims.
Claims (9)
1. The utility model provides a high-efficient double-deck mud vibration screen cloth which characterized in that: the screen frame comprises an upper frame (1), a lower frame (2), an upper screen plate (4) and a lower screen plate (5), wherein the upper frame (1) and the lower frame (2) are arranged in a staggered manner, and the upper frame (1) is arranged at the upper end of the lower frame (2); an upper sieve plate (4) is arranged on the upper surface of the upper frame (1), sieve holes (6) are formed in the upper sieve plate (4), and a screen (7) is arranged in each sieve hole (6); a lower sieve plate (5) is arranged on the lower surface of the lower frame (2), sieve holes (6) are formed in the lower sieve plate (5), and a screen (7) is arranged in each sieve hole (6); the screen cloth (7) of the upper screen plate (4) is a coarse screen cloth, and the screen cloth (7) of the lower screen plate (5) is a fine screen cloth.
2. A high efficiency double layer shale shaker as claimed in claim 1, wherein: the upper sieve plate (4) is fixed on the upper surface of the upper frame (1) through a mounting nail (3); the lower sieve plate (5) is fixedly arranged on the lower surface of the lower frame (2) through a mounting nail (3).
3. A high efficiency double layer shale shaker as claimed in claim 1, wherein: and a sealing ring (8) is arranged on the contact surface of the upper frame (1) and the lower frame (2).
4. A high efficiency double layer shale shaker as claimed in claim 1, wherein: the shape of the sieve pore (6) is polygonal or circular.
5. A high efficiency double layer shale shaker as claimed in claim 4, wherein: the shape of the sieve pores (6) is regular hexagon.
6. A high efficiency double layer shale shaker as claimed in claim 1, wherein: the filter is characterized in that a pre-filtering plate (9) is arranged at the intersection of the lower frame (2) and the upper frame (1), the pre-filtering plate (9) comprises filtering wires (901) and fixing wires (902), and a plurality of filtering wires (901) are uniformly welded on the fixing wires (902) to form a filtering structure.
7. A high efficiency double layer shale shaker as claimed in claim 6, wherein: the lower surface of going up frame (1) sets up third sieve (12), be provided with on third sieve (12) with spacing frame (11) of sieve mesh (6) complex vibration ball on last sieve (4), be provided with vibration ball (10) in the spacing frame (11) of vibration ball.
8. A high efficiency double layer shale shaker as claimed in claim 6, wherein: the side surfaces of the upper frame (1) and the lower frame (2) are bonded through adhesive tapes.
9. A high efficiency double layer shale shaker as claimed in claim 1, wherein: the upper frame (1) and the lower frame (2) are formed by welding square steel.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110858890X | 2021-07-28 | ||
| CN202110858890.XA CN113426187A (en) | 2021-07-28 | 2021-07-28 | High-efficient double-deck mud vibration screen cloth of replacing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114570090A true CN114570090A (en) | 2022-06-03 |
Family
ID=77762057
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110858890.XA Withdrawn CN113426187A (en) | 2021-07-28 | 2021-07-28 | High-efficient double-deck mud vibration screen cloth of replacing |
| CN202111590208.XA Pending CN114570090A (en) | 2021-07-28 | 2021-12-23 | High-efficient double-deck mud vibration screen cloth |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110858890.XA Withdrawn CN113426187A (en) | 2021-07-28 | 2021-07-28 | High-efficient double-deck mud vibration screen cloth of replacing |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN113426187A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113426187A (en) * | 2021-07-28 | 2021-09-24 | 安平县光明金属制品有限公司 | High-efficient double-deck mud vibration screen cloth of replacing |
Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2453117Y (en) * | 2000-11-23 | 2001-10-10 | 河北安泰丝网有限公司 | Plate like mud vibration sieve screen |
| US6581781B1 (en) * | 1993-04-30 | 2003-06-24 | Tuboscope I/P, Inc. | Vibrator separator screens |
| US20100089652A1 (en) * | 2008-10-10 | 2010-04-15 | National Oilwell Varco | Shale Shakers with Selective Series/Parallel Flow Path Conversion |
| CN203955506U (en) * | 2014-01-20 | 2014-11-26 | 广东兆晖生物科技有限公司 | Bio-fertilizer vibratory sieve |
| CN204601769U (en) * | 2015-04-11 | 2015-09-02 | 濮阳市共振石油机械有限公司 | The anti-blocking screen cloth of drilling fluid vibrating sieve |
| US20160207069A1 (en) * | 2013-08-27 | 2016-07-21 | Fp Canmechanica Inc. | Dual screen assembly for vibrating screening machine |
| CN205461275U (en) * | 2016-02-05 | 2016-08-17 | 重庆瑞恩涂料有限公司 | Reciprocating sieve is used in production of acrylic acid paint |
| CN205550810U (en) * | 2016-01-30 | 2016-09-07 | 深圳市绿环再生资源开发有限公司 | A online vibration screening device for old and useless PET bottle piece |
| US20160356108A1 (en) * | 2015-06-05 | 2016-12-08 | Drilling Fluids Treatment Systems Inc. | Dual deck vibratory separator |
| CN208853218U (en) * | 2018-07-13 | 2019-05-14 | 四川英格瑞生物科技有限公司 | A kind of traditional Chinese medicine powder spin vibration sieve |
| CN208976222U (en) * | 2018-08-23 | 2019-06-14 | 中国石油集团川庆钻探工程有限公司 | Take unblock shale shaker screen cloth of spring bobble |
| CN210434855U (en) * | 2019-08-15 | 2020-05-01 | 安平县光明金属制品有限公司 | Anti-resonance slurry vibration screen |
| CN113426187A (en) * | 2021-07-28 | 2021-09-24 | 安平县光明金属制品有限公司 | High-efficient double-deck mud vibration screen cloth of replacing |
| CN215137546U (en) * | 2021-07-28 | 2021-12-14 | 安平县光明金属制品有限公司 | High-efficient double-deck mud vibration screen cloth of replacing |
| CN216571880U (en) * | 2021-07-28 | 2022-05-24 | 安平县光明金属制品有限公司 | High-efficient double-deck mud vibration screen cloth |
-
2021
- 2021-07-28 CN CN202110858890.XA patent/CN113426187A/en not_active Withdrawn
- 2021-12-23 CN CN202111590208.XA patent/CN114570090A/en active Pending
Patent Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6581781B1 (en) * | 1993-04-30 | 2003-06-24 | Tuboscope I/P, Inc. | Vibrator separator screens |
| CN2453117Y (en) * | 2000-11-23 | 2001-10-10 | 河北安泰丝网有限公司 | Plate like mud vibration sieve screen |
| US20100089652A1 (en) * | 2008-10-10 | 2010-04-15 | National Oilwell Varco | Shale Shakers with Selective Series/Parallel Flow Path Conversion |
| US20160207069A1 (en) * | 2013-08-27 | 2016-07-21 | Fp Canmechanica Inc. | Dual screen assembly for vibrating screening machine |
| CN203955506U (en) * | 2014-01-20 | 2014-11-26 | 广东兆晖生物科技有限公司 | Bio-fertilizer vibratory sieve |
| CN204601769U (en) * | 2015-04-11 | 2015-09-02 | 濮阳市共振石油机械有限公司 | The anti-blocking screen cloth of drilling fluid vibrating sieve |
| US20160356108A1 (en) * | 2015-06-05 | 2016-12-08 | Drilling Fluids Treatment Systems Inc. | Dual deck vibratory separator |
| CN205550810U (en) * | 2016-01-30 | 2016-09-07 | 深圳市绿环再生资源开发有限公司 | A online vibration screening device for old and useless PET bottle piece |
| CN205461275U (en) * | 2016-02-05 | 2016-08-17 | 重庆瑞恩涂料有限公司 | Reciprocating sieve is used in production of acrylic acid paint |
| CN208853218U (en) * | 2018-07-13 | 2019-05-14 | 四川英格瑞生物科技有限公司 | A kind of traditional Chinese medicine powder spin vibration sieve |
| CN208976222U (en) * | 2018-08-23 | 2019-06-14 | 中国石油集团川庆钻探工程有限公司 | Take unblock shale shaker screen cloth of spring bobble |
| CN210434855U (en) * | 2019-08-15 | 2020-05-01 | 安平县光明金属制品有限公司 | Anti-resonance slurry vibration screen |
| CN113426187A (en) * | 2021-07-28 | 2021-09-24 | 安平县光明金属制品有限公司 | High-efficient double-deck mud vibration screen cloth of replacing |
| CN215137546U (en) * | 2021-07-28 | 2021-12-14 | 安平县光明金属制品有限公司 | High-efficient double-deck mud vibration screen cloth of replacing |
| CN216571880U (en) * | 2021-07-28 | 2022-05-24 | 安平县光明金属制品有限公司 | High-efficient double-deck mud vibration screen cloth |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113426187A (en) | 2021-09-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN216571880U (en) | High-efficient double-deck mud vibration screen cloth | |
| CN114570090A (en) | High-efficient double-deck mud vibration screen cloth | |
| CN211563591U (en) | A drum sieve for wet material screening | |
| CN103567145A (en) | Screen plate for petroleum drilling fluid | |
| CN216441089U (en) | Integral casting type stepped sieve plate | |
| CN215137546U (en) | High-efficient double-deck mud vibration screen cloth of replacing | |
| CN202237485U (en) | Mortar filtering device of photovoltaic battery | |
| CN2764926Y (en) | Vibrating screen mesh for sizing filtration of drilling fluid | |
| CN215352345U (en) | Wave type double-layer replaceable vibrating screen | |
| CN211160631U (en) | Vibrating screen rack and vibrating screen | |
| CN201036775Y (en) | Open-type natural sieve | |
| CN211935865U (en) | Multi-connection orbital transfer sieve capable of efficiently compressing screen mesh | |
| CN208194961U (en) | A kind of multistage sieve material device | |
| CN210159940U (en) | A reciprocating sieve for particulate matter material screening usefulness | |
| CN202655229U (en) | Vibrating screening machine | |
| CN211536871U (en) | Drilling mud filter plate | |
| CN213103182U (en) | Combined multilayer vibration screening equipment | |
| CN205413599U (en) | Road bridge constructs and uses shale shaker | |
| CN205914368U (en) | Divide sieve device | |
| CN205587282U (en) | Simply vibrate screen structure | |
| CN212168123U (en) | Vibrating screen for three-stage screening | |
| CN110624817A (en) | Standard screen with replaceable filter screen for fine sand | |
| CN211070787U (en) | Vibrating sand screening machine for constructional engineering | |
| CN216341996U (en) | Slurry screen with additional strengthening | |
| CN209476706U (en) | A kind of macromolecule Wave screen plate |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |