CN111332698B - Sludge scraper conveyor - Google Patents
Sludge scraper conveyor Download PDFInfo
- Publication number
- CN111332698B CN111332698B CN202010239951.XA CN202010239951A CN111332698B CN 111332698 B CN111332698 B CN 111332698B CN 202010239951 A CN202010239951 A CN 202010239951A CN 111332698 B CN111332698 B CN 111332698B
- Authority
- CN
- China
- Prior art keywords
- shell
- inner cavity
- chain
- sludge
- scraper blade
- 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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- 239000010802 sludge Substances 0.000 title claims abstract description 31
- 230000001360 synchronised effect Effects 0.000 claims abstract description 5
- 238000007790 scraping Methods 0.000 claims description 33
- 238000005452 bending Methods 0.000 claims description 18
- 230000007246 mechanism Effects 0.000 claims description 15
- 238000007599 discharging Methods 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 2
- 230000002146 bilateral effect Effects 0.000 description 3
- 230000033001 locomotion Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 238000003915 air pollution Methods 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G19/00—Conveyors comprising an impeller or a series of impellers carried by an endless traction element and arranged to move articles or materials over a supporting surface or underlying material, e.g. endless scraper conveyors
- B65G19/14—Conveyors comprising an impeller or a series of impellers carried by an endless traction element and arranged to move articles or materials over a supporting surface or underlying material, e.g. endless scraper conveyors for moving bulk material in closed conduits, e.g. tubes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G19/00—Conveyors comprising an impeller or a series of impellers carried by an endless traction element and arranged to move articles or materials over a supporting surface or underlying material, e.g. endless scraper conveyors
- B65G19/18—Details
- B65G19/22—Impellers, e.g. push-plates, scrapers; Guiding means therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G2201/00—Indexing codes relating to handling devices, e.g. conveyors, characterised by the type of product or load being conveyed or handled
- B65G2201/04—Bulk
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pusher Or Impeller Conveyors (AREA)
Abstract
The invention discloses a sludge scraper conveyer, which comprises a shell, wherein the shell is in a box shape, supporting feet are arranged at the lower end of the shell, rotating shafts are respectively arranged in the two ends of the shell, two gears are arranged at the upper end of the rotating shafts, the gears at the two ends of the shell are connected through two groups of chains which are synchronous side by side, closed tracks are symmetrically arranged on the side walls of the two sides of the shell, the tracks are arranged around the chains, a closed inner cavity is arranged in the shell, a feed inlet is arranged on the upper surface of one end of the shell, a discharge outlet is arranged on the lower surface of the other end of the shell, the feed inlet and the discharge outlet are communicated with the inner cavity, a closed inner cavity structure is adopted by the conveyer, L-shaped scrapers are arranged in the conveyer, the scrapers are connected with the inner cavity in sequence through elastic connecting plates, and form a closed conveying space, so that sludge can be conveyed and the inner wall of the inner cavity is cleaned, and the sludge is prevented from being adhered to the inner wall of the inner cavity to cause blockage.
Description
Technical Field
The invention relates to the technical field of sludge conveying, in particular to a sludge scraper conveyor.
Background
In the field of sewage treatment, dewatered sludge is transported by a sludge conveyor, and at present, a belt conveyor and a screw conveyor are generally adopted in the market, and the following problems occur in the process of transporting the sludge:
because mud has the consistency, traditional conveyer lacks the structure of scraping mud board class, and the conveyer is very easy to block up, and band conveyer and screw conveyer inclination are less, and the band conveyer inclination is less than 20 degrees, and the screw conveyer inclination should be less than 30 degrees, and it is comparatively difficult to rise the height in the short distance, and mud has corrosivity moreover, has the stink, and easy corruption conveyer, especially belt, conveyer lack corresponding enclosed construction, easy contaminated air.
Disclosure of Invention
Therefore, the invention provides a sludge scraper conveyor, which solves the problems of limited lifting angle, easy equipment corrosion and easy air pollution caused by the lack of an anti-blocking structure and a closed structure due to smaller inclination angles of a belt conveyor and a screw conveyor in the prior art.
In order to achieve the above object, the present invention provides the following technical solutions: the utility model provides a mud scraper conveyor, includes the casing, the casing is the box form, the lower extreme of casing is provided with the supporting legs, the both ends inside of casing is provided with the pivot respectively, the pivot upper end is provided with two gears, the gear at casing both ends is connected through two sets of chains synchronous side by side, the both sides lateral wall symmetry of casing is provided with confined track, the track encircles the chain setting, the inside of casing is provided with confined inner chamber, the one end upper surface of casing is provided with the feed inlet, the lower surface of the casing other end is provided with the discharge gate, feed inlet and discharge gate and inner chamber intercommunication, the inside of inner chamber is provided with a plurality of scrapers, the scraper blade head and the tail loop through elastic connection board connection and encircle the setting at the chain periphery, the lower extreme of scraper blade is provided with the propulsion board, the both ends of propulsion board are connected with the chain fixed connection that the bilateral symmetry set up respectively, the lower extreme of scraper blade is located the bilateral symmetry of propulsion board is provided with two supports, the support both sides are connected with the gyro wheel that sets up at the track inside, the scraper blade passes through sliding connection between support and the gyro wheel and the track, the casing is close to one side of drive mechanism and inner chamber drive mechanism through the inner chamber, drive mechanism is located one side of the inner chamber and drive mechanism.
Further, the scraping plate is L-shaped, the height of the scraping plate is slightly smaller than the distance from the bottom plate of the scraping plate to the top of the inner cavity, and the width of the scraping plate is slightly smaller than the width of the inner cavity.
Based on the technical characteristics, a closed conveying area is formed between the scraping plate and the inner cavity, conveying from horizontal direction to vertical direction can be realized, meanwhile, the scraping plate can scrape the surface of the inner cavity, clearly bonded sludge is prevented from being blocked.
Further, the chain is provided with the connecting block that is the right angle form towards inside one side surface, connecting block and propulsion board bottom bolted connection, propulsion board perpendicular to chain sets up, and propulsion board and support set up in scraper blade bottom plate middle part position department.
Based on the technical characteristics, the propulsion plate realizes the connection of the chain and the scraping plate, ensures the movement of the scraping plate, ensures that the scraping plate can uniformly transition at the curve part by arranging the propulsion plate and the bracket at the middle part of the scraping plate bottom plate, and reduces the distance difference between the scraping plates.
Further, the middle part of the shell is provided with a bending part, one side of the bending part along the bending direction of the chain is provided with a plurality of rollers, the rollers are arranged in an arc shape along the bending radian of the shell, and the rollers are fixed through roller support shafts arranged on the side wall of the shell.
Based on the technical characteristics, the roller achieves the function of theory, changes the direction of the chain and ensures the stable running of the chain.
Further, two ends of the inner cavity are semi-cylindrical surfaces.
Based on the technical characteristics, the inner cavity is matched with the scraping plate in the curve in the direction, so that the sealing integrity of the inner cavity is ensured, and the full contact between the scraping plate and the inner wall of the inner cavity is ensured.
The invention has the following advantages:
the conveyer adopts confined inner chamber structure, inside is provided with the scraper blade of L shape, and a plurality of scrapers end to end loops through the elastic connection board and are connected, and the scraper blade forms confined conveying space with the inner chamber, clear up inner chamber inner wall when can transporting mud, prevents that mud from bonding and causing the jam at you inner chamber inner wall, and the scraper blade of L shape can be in conveyer bend department extrusion or tensile and be crooked form, and the scraper blade seals with the inner chamber relatively, and the mud on the scraper blade is difficult for spilling, can realize the transport of vertical rising, has improved the practicality of conveyer.
The inside of the conveyor is in a closed shape, the internal transmission mechanism is separated from the sludge conveying area, so that the sludge is prevented from corroding conveyor components, the conveyor is effectively protected, the service life of the conveyor is ensured, meanwhile, the sludge is relatively closed in the conveyor, and the pollution to the outside is reduced
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It will be apparent to those of ordinary skill in the art that the drawings in the following description are exemplary only and that other implementations can be obtained from the extensions of the drawings provided without inventive effort.
The structures, proportions, sizes, etc. shown in the present specification are shown only for the purposes of illustration and description, and are not intended to limit the scope of the invention, which is defined by the claims, so that any structural modifications, changes in proportions, or adjustments of sizes, which do not affect the efficacy or the achievement of the present invention, should fall within the scope of the invention.
FIG. 1 is a view of a feed port end structure of a sludge scraper conveyor provided by the invention;
FIG. 2 is a diagram of the structure of a curved portion of a scraper conveyor for sludge, according to the present invention;
FIG. 3 is a view showing a structure of a discharge port end of the sludge scraper conveyor provided by the invention;
FIG. 4 is a test chart of the internal structure of the sludge scraper conveyor provided by the invention;
FIG. 5 is a top view of a chain connection of a scraper conveyor for sludge according to the present invention;
fig. 6 is an external view of a sludge scraper conveyor provided by the invention.
In the figure: 1-shell, 2-inner cavity, 3-feed inlet, 4-scraper blade, 5-elastic connecting plate, 6-propulsion board, 7-track, 8-support, 9-supporting legs, 10-gear, 11-pivot, 12-chain, 13-cylinder, 14-cylinder supporting axle, 15-discharge gate, 16-gyro wheel, 17-connecting block, 18-actuating mechanism.
Detailed Description
Other advantages and advantages of the present invention will become apparent to those skilled in the art from the following detailed description, which, by way of illustration, is to be read in connection with certain specific embodiments, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1-6, a casing 1 of the conveyor is in a long box shape, the middle part of the casing 1 is bent and lifted upwards, a plurality of pairs of supporting legs 9 are arranged at the lower end of the casing 1, the supporting legs 9 can adjust the height according to actual demands, a closed inner cavity 2 is arranged in the casing 1, and two ends of the inner cavity 2 are in semi-cylindrical surfaces. The upper surface of one end of casing 1 is provided with feed inlet 3, and the lower surface of casing 1 other end is provided with discharge gate 15, and feed inlet 3 and discharge gate 15 communicate with inner chamber 2. Two ends of the shell 1 are positioned in the inner cavity 2 and are respectively provided with two rotating shafts 11, two gears 10 are arranged at the upper ends of the rotating shafts 11, the gears 10 at the two ends of the shell 1 are connected through two groups of side-by-side synchronous chains 12, one side surface outside the shell 1 is provided with a driving mechanism 18, the driving mechanism 18 comprises a driving motor and a speed reducer mechanism, the driving mechanism 18 is connected with one rotating shaft 11, and the driving mechanism 18 drives the two groups of chains 12 to do synchronous reciprocating rotary motion around the two groups of gears 10 respectively.
The both sides lateral wall symmetry of casing 1 is provided with confined track 7, track 7 encircles chain 12 setting, and keep certain distance on vertical height with chain 12, track 7 all is located the inner chamber 2 inside, the inside of inner chamber 2 is provided with a plurality of scrapers 4, scraper 4 connects gradually around setting up at chain 12 periphery end to end, connect through elastic connection board 5, scraper 4 is L shape, scraper 4's height is slightly less than scraper 4 bottom plate to the distance at inner chamber 2 top, scraper 4's width is slightly less than inner chamber 2's width, L type scraper 4 forms relative confined mud transport district with inner chamber 2 like this, mud is inside and external isolation at the conveyer, prevent that mud from polluting the air, simultaneously, scraper 4 carries mud can reach the promotion of 0-90 degrees angles, realize vertical lifting, improve conveying efficiency, scraper 4 scrapes the mud that bonds on the inner wall of inner chamber 2, prevent the jam.
The lower extreme of scraper blade 4 is provided with impels board 6, chain 12 is provided with the connecting block 17 that is the right angle form to the inside one side surface, connecting block 17 passes through bolted connection with impels board 6 bottom, impels board 6 perpendicular to chain 12 setting, and impel between the chain 12 that board 6 is located both sides, the lower extreme of scraper blade 4 is located the bilateral symmetry of impelling board 6 and is provided with two supports 8, support 8 both sides are connected with the gyro wheel 16 that sets up in track 7 inside, support 8 has guaranteed the steady of scraper blade 4, gyro wheel 16 imbeds the design in track 7 inside, can guarantee the steady rotation of scraper blade 4, guarantee simultaneously that scraper blade 4 can install stably under the state of inverting, not skew. The propulsion plate 6 and the support 8 are arranged at the middle position of the bottom plate of the scraping plate 4, so that the scraping plate 4 can be stably and excessively rotated to the semi-cylindrical surfaces at the two ends of the inner cavity 2, the offset distance between the two scraping plates 4 is reduced, the scraping plates 4 are connected through the elastic connecting plate 5, the scraping plates 4 are mutually buffered in the rotating process, the bending position can be contracted or stretched, the sealing state of the scraping plates 4 is guaranteed, and sludge leakage is prevented.
The middle part of the shell 1 is provided with a bending part due to the fact that the middle part is required to be lifted, one side of the bending part along the bending direction of the chain 12 is provided with a plurality of rollers 13, the rollers 13 are arranged in an arc shape along the bending radian of the shell 1, and the rollers 13 are fixed through roller support shafts 14 arranged on the side walls of the shell 1, so that the chain 12 of the bending part can be ensured to be stably excessive, and the fact that the inner space of the shell 1 is limited is required to be noted, the rollers 13 in the arc shape are used for replacing gears, the stable and excessive of the chain 12 is realized, the roller support shafts 14 are horizontally arranged on the side walls of the rails 7, and the rotation of the rollers 13 is ensured.
Working principle: when the sludge is conveyed, the driving mechanism 18 is started, the driving motor drives the rotating shaft 11 to rotate through the speed reducer, the two gears 10 at the upper end of the rotating shaft 11 synchronously rotate to drive the two groups of chains 12 to continuously rotate, as the shell 1 needs to be lifted, the middle is provided with two bending parts, the roller 13 which is arranged in an arc way at the bending parts achieves the guiding function, the direction of the chains 12 is changed, the movement of the chains 12 drives the scraping plate 4 to synchronously move through the pushing plate 6, the scraping plate 4 is connected front and back through the elastic connecting plate 5, the sealing of the scraping plate 4 is ensured, meanwhile, the distance between the scraping plates 4 at the bending parts is increased or reduced, the elastic connecting plate 5 plays a role of buffering, the scraping plate 4 is ensured to smoothly transition at the bending parts, the sludge enters the inner cavity 2 from the feeding hole 3 and falls on the flat plate of the scraping plate 4, the flat plate of the scraping plate 4 plays a supporting and conveying role in the plane, the vertical plate of the scraping plate 4 plays a role of pushing anti-slip, the scraping plate 4 plays a role of supporting and pushing the scraping plate 4 is relatively sealed with the inner cavity 2 when the inclined plane or vertical plane, the scraping plate 4 moves, the scraping plate 4 is prevented from leaking out of the inner cavity 2, the sludge is prevented from the inner wall from the inner cavity 2, the inner cavity is adhered to the inner wall of the inner cavity 15, the sludge is prevented from falling down from the discharging hole 15, and the position 15 is aligned to the discharging position when the sludge is discharged from the discharging hole 15.
While the invention has been described in detail in the foregoing general description and specific examples, it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, such modifications or improvements may be made without departing from the spirit of the invention and are intended to be within the scope of the invention as claimed.
Claims (5)
1. The utility model provides a mud scraper conveyor, includes casing (1), casing (1) are the box form, the lower extreme of casing (1) is provided with supporting legs (9), its characterized in that: the utility model discloses a device for controlling the speed of a motor vehicle, which comprises a shell (1), wherein a rotating shaft (11) is respectively arranged in two ends of the shell (1), two gears (10) are arranged at the upper end of the rotating shaft (11), the gears (10) at two ends of the shell (1) are connected through two groups of chains (12) which are synchronous side by side, two side walls of the shell (1) are symmetrically provided with a closed track (7), the track (7) is arranged around the chains (12), a closed inner cavity (2) is arranged in the shell (1), a feeding port (3) is arranged on the upper surface of one end of the shell (1), a discharging port (15) is arranged on the lower surface of the other end of the shell (1), the feeding port (3) and the discharging port (15) are communicated with the inner cavity (2), a plurality of scrapers (4) are arranged in the inner part of the inner cavity (2), the scrapers (4) are sequentially connected around the periphery of the chains (12) through an elastic connecting plate (5), the lower ends of the scrapers (4) are provided with a pushing plate (6), two ends of the pushing plate (6) are respectively arranged on two sides of the inner sides of the chain (12) and are fixedly connected with two sides of the track (8) of the inner support (8), the scraper blade (4) is connected with the track (7) in a sliding way through the support (8) and the roller (16), a driving mechanism (18) is arranged on the surface of one side, close to the discharge hole (15), of the shell (1), the driving mechanism (18) is connected with the rotating shaft (11) in a transmission way, and the driving mechanism (18) drives the scraper blade (4) to rotate along the track (7) in the inner cavity (2) through the chain (12) and the pushing plate (6).
2. A sludge scraper conveyor according to claim 1, characterized in that: the scraper blade (4) is L shape, the height of scraper blade (4) is slightly less than the distance of scraper blade (4) bottom plate to inner chamber (2) top, the width of scraper blade (4) is slightly less than the width of inner chamber (2).
3. A sludge scraper conveyor according to claim 1 or 2, characterized in that: the chain (12) is provided with a connecting block (17) which is in a right angle shape towards the inner side surface, the connecting block (17) is connected with the bottom of the pushing plate (6) through bolts, the pushing plate (6) is perpendicular to the chain (12), and the pushing plate (6) and the bracket (8) are arranged at the middle position of the bottom plate of the scraping plate (4).
4. A sludge scraper conveyor according to claim 1, characterized in that: the novel roller chain is characterized in that a bending part is arranged in the middle of the shell (1), a plurality of rollers (13) are arranged on one side of the bending part along the bending direction of the chain (12), the rollers (13) are arranged in an arc shape along the bending radian of the shell (1), and the rollers (13) are fixed through roller supporting shafts (14) arranged on the side wall of the shell (1).
5. A sludge scraper conveyor according to claim 1, characterized in that: the two ends of the inner cavity (2) are semi-cylindrical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010239951.XA CN111332698B (en) | 2020-03-31 | 2020-03-31 | Sludge scraper conveyor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010239951.XA CN111332698B (en) | 2020-03-31 | 2020-03-31 | Sludge scraper conveyor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111332698A CN111332698A (en) | 2020-06-26 |
| CN111332698B true CN111332698B (en) | 2023-11-03 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010239951.XA Active CN111332698B (en) | 2020-03-31 | 2020-03-31 | Sludge scraper conveyor |
Country Status (1)
| Country | Link |
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| CN (1) | CN111332698B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112027709A (en) * | 2020-08-31 | 2020-12-04 | 重庆昊晟玻璃股份有限公司 | Automatic batching system |
| CN112777232A (en) * | 2021-01-19 | 2021-05-11 | 卓冠（江苏）新材料科技有限公司 | Anti-blocking device for insulation board feeding system |
| CN113477563A (en) * | 2021-06-24 | 2021-10-08 | 山东宏发科工贸有限公司 | Push away waste material scavenging machine |
| CN113697385B (en) * | 2021-09-17 | 2023-05-23 | 秦皇岛海洋食品有限公司 | Reversing device for pipe chain conveyor and reverser shell thereof |
| CN113602765B (en) * | 2021-10-11 | 2021-12-14 | 江苏德博利恩工业科技有限公司 | Angle-adjustable belt type full-closed sample conveyor with large inclination angle |
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| CN202828734U (en) * | 2012-09-28 | 2013-03-27 | 北京利德衡环保工程有限公司 | Scraper ash removing machine for fine ash delivery of coal-fired boiler |
| JP5911942B1 (en) * | 2014-10-21 | 2016-04-27 | 中国電力株式会社 | Flight conveyor |
| CN205602555U (en) * | 2016-03-29 | 2016-09-28 | 湖北宜都中机环保工程有限公司 | MZ type buries scraper blade mud conveyer |
| CN206871858U (en) * | 2017-04-14 | 2018-01-12 | 乐山市巨星科技有限公司 | A kind of premixing feedstuff scraper conveyor special |
| CN208345102U (en) * | 2018-04-27 | 2019-01-08 | 巴彦淖尔市金昊煤炭有限责任公司 | A kind of cleaned coal scrapper conveyor that security performance is high |
| JP6465225B1 (en) * | 2018-02-06 | 2019-02-06 | 株式会社椿本チエイン | Sludge scraping machine |
| CN209554126U (en) * | 2018-11-20 | 2019-10-29 | 天津润泽新源环保科技有限公司 | Sludge drag conveyor |
| CN209601381U (en) * | 2019-02-19 | 2019-11-08 | 石家庄诚贺机械设备有限公司 | A kind of drag conveyor preventing fugitive dust |
-
2020
- 2020-03-31 CN CN202010239951.XA patent/CN111332698B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202828734U (en) * | 2012-09-28 | 2013-03-27 | 北京利德衡环保工程有限公司 | Scraper ash removing machine for fine ash delivery of coal-fired boiler |
| JP5911942B1 (en) * | 2014-10-21 | 2016-04-27 | 中国電力株式会社 | Flight conveyor |
| CN205602555U (en) * | 2016-03-29 | 2016-09-28 | 湖北宜都中机环保工程有限公司 | MZ type buries scraper blade mud conveyer |
| CN206871858U (en) * | 2017-04-14 | 2018-01-12 | 乐山市巨星科技有限公司 | A kind of premixing feedstuff scraper conveyor special |
| JP6465225B1 (en) * | 2018-02-06 | 2019-02-06 | 株式会社椿本チエイン | Sludge scraping machine |
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Also Published As
| Publication number | Publication date |
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| CN111332698A (en) | 2020-06-26 |
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