CN108341276B - Bucket-wheel reclaimer applied to bulk cargo blending operation - Google Patents
Bucket-wheel reclaimer applied to bulk cargo blending operation Download PDFInfo
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- CN108341276B CN108341276B CN201810239497.0A CN201810239497A CN108341276B CN 108341276 B CN108341276 B CN 108341276B CN 201810239497 A CN201810239497 A CN 201810239497A CN 108341276 B CN108341276 B CN 108341276B
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- hopper
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- bucket
- door frame
- belt conveyor
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- 238000002156 mixing Methods 0.000 title claims abstract description 37
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 26
- 239000010959 steel Substances 0.000 claims abstract description 26
- 238000005303 weighing Methods 0.000 claims abstract description 20
- 230000007246 mechanism Effects 0.000 claims description 10
- 238000003860 storage Methods 0.000 claims description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 24
- 239000003245 coal Substances 0.000 description 13
- 229910052742 iron Inorganic materials 0.000 description 12
- 239000000446 fuel Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 238000003908 quality control method Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000009628 steelmaking Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 238000012546 transfer Methods 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
- B65G65/00—Loading or unloading
- B65G65/02—Loading or unloading machines comprising essentially a conveyor for moving the loads associated with a device for picking-up the loads
- B65G65/16—Loading or unloading machines comprising essentially a conveyor for moving the loads associated with a device for picking-up the loads with rotary pick-up conveyors
- B65G65/20—Paddle wheels
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Feeding Of Articles To Conveyors (AREA)
- Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)
Abstract
The invention discloses a bucket wheel reclaimer applied to bulk cargo mixing operation, which comprises bucket wheels, a cantilever belt conveyor, a steel structure, a first head hopper, a buffer hopper, an electric gate, a vibrating feeder, a weighing feeder, a second head hopper and a guide chute, wherein the hopper wheels are arranged on the hopper wheels; one end of the arm support is provided with a bucket wheel, the other end of the arm support extends into the first head hopper, and the upper surface of the arm support is provided with a cantilever belt conveyor; the bottom of the first head hopper is connected with the top of the buffer hopper, a vibrating feeder is arranged below the bottom of the buffer hopper, and an electric gate is arranged on the side wall of the bottom of the buffer hopper; a weighing feeder is arranged at the outlet of the vibrating feeder, a second head hopper is arranged at the outlet of the weighing feeder, a guide chute is arranged below the second head hopper, and the guide chute is positioned above the yard belt conveyor; the bucket-wheel reclaimer applied to bulk cargo mixing operation realizes accurate feeding of bulk cargoes of different varieties according to proportioning requirements, ensures accurate and controllable flow, and finally gathers the bulk cargoes to a yard belt conveyor of the same path, thereby realizing high-precision mixing.
Description
Technical Field
The invention relates to the technical field of bulk cargo mixing operation in ports, in particular to a bucket-wheel reclaimer applied to bulk cargo mixing operation.
Background
Under the strong promotion of industrial development, in order to meet the requirements of coal on power plant fuel and iron ore on steel mill raw materials, a plurality of large coal reserve base wharfs and iron ore transfer wharfs are built in China coasts in recent years so as to meet the operation requirements of unloading, loading, piling and the like of coal and iron ore in ports.
The coal reserves in China are quite rich, the coal reserves are mainly concentrated in regions such as Shanxi, shanxi and inner Mongolia, the key indexes such as water content, ash content, sulfur content and heat value of the coal in each region are greatly different, and the purchase prices of the coal are also greatly different. Coal is used as important fuel cost of a power plant, in order to reduce coal purchasing cost and improve economic benefit of the power plant, the power plant often purchases different kinds of coal from multiple channels, including imported coal from foreign Indonesia, australia, south Africa and the like, and then different kinds of coal are mixed at a port or a stock ground of the power plant according to the design fuel characteristic requirements of a boiler so as to meet the technical index requirements of required heat value and the like.
For iron ore, china mainly imports from Brazil, australia, south Africa, india and other countries, and a small amount of domestic iron ore is adopted. Because of the large difference of the iron ore grades in different countries and different mining areas, in order to meet the different requirements of iron making and steelmaking processes of domestic iron and steel enterprises on the iron ore quality, and based on the condition limitation of mining areas and the transportation cost consideration, various iron ores of different varieties are mixed in a stock ground of a port or a steel mill, so that the purchasing cost of the steel mill on the iron ores is reduced.
For mixing, at present, two modes are mainly adopted in a port, namely, 2 bucket-wheel reclaimers are adopted to respectively take bulk cargoes (coal or iron ore) of different varieties, and the bulk cargoes are collected to a lower belt conveyor to realize mixing; in the second mode, the silos are adopted, bulk cargos of different varieties are taken by a storage yard bucket-wheel reclaimer, transported into the silos by a belt conveyor, the bulk cargos of different varieties are stored in the different silos, and then discharged from the silos to a lower belt conveyor for aggregation, so that mixing is realized.
For the first mode, the mixing function is simple, the overall manufacturing cost is low, but because the fluctuation of the weight of each bucket of the bucket-wheel reclaimer is very large in the reclaiming process, the fluctuation reaches about 5-10%, the mixing precision of bulk cargos of different varieties is low, only coarse mixing can be achieved, and the quality control requirements of a power plant and a steel mill after mixing are difficult to meet.
For the second mode, the silo is used for discharging, so that the discharge flow is controllable, the mixing precision is high, the quality control requirement of a power plant and a steel mill after mixing can be met by about 0.5-1%, but because the silo is independently built, and facilities such as electric control, water supply and drainage, fire control and dust removal are also needed, the overall cost is high, and the popularization and the use of the mode in the industry are also influenced.
Disclosure of Invention
The invention aims to provide a bucket-wheel reclaimer applied to bulk cargo mixing operation, which can effectively improve the mixing precision of the bucket-wheel reclaimer for different varieties of bulk cargo, and has positive significance for improving mixing quality and reducing the purchasing cost of power plants and steel plants for bulk cargo.
The technical solution for realizing the purpose of the invention is as follows:
the bucket wheel reclaimer is characterized by comprising a bucket wheel, a cantilever belt conveyor, a steel structure, a first head hopper, a buffer hopper, an electric gate, a vibrating feeder, a weighing feeder, a second head hopper and a guide chute; the steel structure comprises an arm support, an upper cross beam, a rear door frame, a front door frame and a lower cross beam; the front door frame and the rear door frame are arranged in parallel, an upper cross beam and a lower cross beam are arranged between the front door frame and the rear door frame, an arm support is arranged at the top of the front door frame, and the arm support is positioned above bulk cargos piled on the ground; one end of the arm support is provided with a bucket wheel, the other end of the arm support extends into the first head funnel, the upper surface of the arm support is provided with a cantilever belt conveyor, and the cantilever belt conveyor is positioned between the bucket wheel and the first head funnel; the bottom of the first head hopper is connected with the top of the buffer hopper, a vibrating feeder is arranged below the bottom of the buffer hopper, and an electric gate is arranged on the side wall of the bottom of the buffer hopper; the exit of vibrating feeder is provided with the batcher of weighing, and the exit of batcher of weighing is provided with the second head funnel, and the below of second head funnel is provided with the baffle box, and the baffle box is located the storage yard belt feeder top.
Preferably, the bottoms of the front portal and the rear portal are provided with travelling mechanisms, the travelling mechanisms are arranged on steel rails, the steel rails are arranged on the ground, and the bucket-wheel reclaimer enables the whole machine to travel along the steel rails through the travelling mechanisms.
Preferably, the upper cross beam is positioned at the top of the front door frame and the rear door frame, and the lower cross beam is positioned at the middle of the front door frame and the rear door frame.
Preferably, the buffer hopper comprises an upper buffer hopper and a lower buffer hopper, wherein the top of the upper buffer hopper is connected with the bottom of the first head hopper, and the bottom of the upper buffer hopper is connected with the top of the lower buffer hopper.
Preferably, the upper buffer hopper is of a cone structure, and the lower buffer hopper is of an inverted cone structure, so that the bulk cargo capacity of the bulk cargo is conveniently enlarged.
Compared with the prior art, the invention has the remarkable advantages that:
the bucket wheel reclaimer applied to bulk cargo mixing operation realizes accurate feeding of bulk cargoes of different varieties according to proportioning requirements by setting parameters such as different electric gate sizes, frequency of the vibrating feeder and the like, ensures accurate and controllable flow, finally gathers the bulk cargoes to a yard belt conveyor of the same path, realizes high-precision mixing, has good economy, provides a more effective mixing operation mode for power plants and steel plants, and has wide application prospect.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural view of a bucket wheel reclaimer applied to bulk blending operation of the present invention.
Fig. 2 is a left side view of a bucket wheel reclaimer machine of the present invention as applied to bulk blending operations.
Fig. 3 is a top view of a bucket wheel reclaimer machine of the present invention as applied to bulk blending operations.
Fig. 4 is a schematic structural diagram of the bucket wheel reclaimer of the present invention applied to bulk blending operation.
Fig. 5 is a control schematic diagram of a bucket wheel reclaimer of the present invention applied to bulk blending operations.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, 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.
Example 1:
as shown in fig. 1, 2 and 3, the bucket wheel reclaimer applied to bulk cargo mixing operation comprises a bucket wheel 3, a cantilever belt conveyor 4, a steel structure 5, a first head hopper 6, a buffer hopper, an electric gate 9, a vibration feeder 10, a weighing feeder 11, a second head hopper 12, a guide chute 13, a travelling mechanism 15 and a steel rail 16; the steel structure 5 comprises a cantilever crane 51, an upper cross beam 52, a rear portal 53, a front portal 54 and a lower cross beam 55; the front door frame 54 and the rear door frame 53 are arranged in parallel, an upper cross beam 52 and a lower cross beam 55 are arranged between the front door frame 54 and the rear door frame 53, a cantilever crane 51 is arranged at the top of the front door frame 54, and the cantilever crane 51 is positioned above bulk cargos 2 piled on the ground 1; the upper cross beam 52 is positioned at the top of the front door frame 54 and the rear door frame 53, and the lower cross beam 55 is positioned at the middle parts of the front door frame 54 and the rear door frame 53; the bottoms of the front portal 54 and the rear portal 53 are provided with a travelling mechanism 15, the travelling mechanism 15 is arranged on a steel rail 16, the steel rail 16 is arranged on the ground 1, and the bucket-wheel reclaimer can enable the whole machine to travel along the steel rail 16 through the travelling mechanism 15; one end of the arm support 51 is provided with a bucket wheel 3, the other end of the arm support 51 extends into the first head funnel 6, the upper surface of the arm support 51 is provided with a cantilever belt conveyor 4, and the cantilever belt conveyor 4 is positioned between the bucket wheel 3 and the first head funnel 6; the buffer hopper comprises an upper buffer hopper 7 and a lower buffer hopper 8, the top of the upper buffer hopper 7 is connected with the bottom of the first head hopper 6, the bottom of the upper buffer hopper 7 is connected with the top of the lower buffer hopper 8, a vibrating feeder 10 is arranged below the bottom of the lower buffer hopper 8, and an electric gate 9 is arranged on the side wall of the bottom of the lower buffer hopper 8; the upper buffer hopper 7 is of a cone structure, and the lower buffer hopper 8 is of an inverted cone structure, so that the capacity of the piled bulk 2 is conveniently enlarged; the exit of vibrating feeder 10 is provided with weighing feeder 11, and the exit of weighing feeder 11 is provided with second head funnel 12, and the below of second head funnel 12 is provided with baffle box 13, and baffle box 13 is located storage yard belt feeder 14 top.
The invention is applied to the working principle of a bucket-wheel reclaimer for bulk cargo mixing operation:
referring to fig. 1 to 4, during blending operation, 2 bucket wheel reclaimers 301 and 302 positioned on the same group of tracks 16 are respectively positioned at different types of bulk cargos 201 and 202 piled up on the ground 1, each bucket wheel reclaimer 301 and 302 is used for digging up the bulk cargos 2 through a bucket wheel 3, unloading the bulk cargos 2 into a cantilever belt conveyor 4, transferring the bulk cargos to a first head hopper 6 through the cantilever belt conveyor 4, unloading the bulk cargos into an upper buffer hopper 7 and a lower buffer hopper 8, realizing temporary storage of the bulk cargos 2 through the buffer hoppers, adjusting the discharging size of the bulk cargos 2 in the lower buffer hopper 8 through the opening size of an electric gate 9, then uniformly unloading the bulk cargos 2 from the original bucket wheels 3 into a weighing feeder 11 below through the vibrating feeder 10, accurately weighing the bulk cargos 2 through the weighing feeder 11, and if the weighing exceeds the standard, adjusting the electric gate 9, and reducing the frequency of the vibrating feeder 10 so that the flow of the bulk cargos 2 passing through is reduced; if the weighing is insufficient, the electric gate 9 is adjusted to be large, and the frequency of the vibration feeder 10 is adjusted to be high, so that the flow rate passing through the bulk 2 is increased; after accurate weighing of the bulk cargo 2 is realized through a closed-loop flow regulation system formed by the electric gate 9, the vibration feeder 10 and the weighing feeder 11, the bulk cargo 2 is transferred to the second head hopper 12 and then is transferred into the guide chute 13 below through the second head hopper 12, and is sent to the storage belt conveyor 14 of the same path for summarizing; because the closed-loop flow regulating systems formed by the electric gate 9, the vibration feeder 10 and the weighing feeder 11 are arranged in the 2 bucket-wheel reclaimers 301 and 302, parameters such as the size of the electric gate 9 and the frequency of the vibration feeder 10 are set according to the proportioning requirements for 2 different varieties of bulk cargos 201 and 202, so that the 2 different varieties of bulk cargos 201 and 202 are accurately fed according to the proportioning requirements, the accurate and controllable flow is ensured, and finally the bulk cargos are summarized to the storage yard belt conveyor 14 on the same path, and the high-precision mixing is realized.
In summary, the bucket wheel reclaimer applied to bulk cargo mixing operation realizes accurate feeding of bulk cargo of different varieties according to proportioning requirements by setting parameters such as different electric gate sizes, vibration feeder frequencies and the like, ensures accurate and controllable flow, finally gathers the bulk cargo to a storage yard belt conveyor of the same path, realizes high-precision mixing, has good economy, provides a more effective mixing operation mode for power plants and steel plants, and has wide application prospect.
The technical problems, technical solutions and advantageous effects of the present invention have been further described in detail in the above embodiments, and it should be understood that the above embodiments are merely illustrative of the present invention and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. within the spirit and principles of the present invention should be included in the scope of the present invention.
Claims (3)
1. The bucket wheel reclaimer is applied to bulk cargo mixing operation and is characterized by comprising a bucket wheel (3), a cantilever belt conveyor (4), a steel structure (5), a first head hopper (6), a buffer hopper, an electric gate (9), a vibrating feeder (10), a weighing feeder (11), a second head hopper (12) and a guide chute (13); the steel structure (5) comprises an arm support (51), an upper cross beam (52), a rear door frame (53), a front door frame (54) and a lower cross beam (55); the front door frame (54) and the rear door frame (53) are arranged in parallel, an upper cross beam (52) and a lower cross beam (55) are arranged between the front door frame (54) and the rear door frame (53), a cantilever crane (51) is arranged at the top of the front door frame (54), and the cantilever crane (51) is positioned above bulk cargo (2) piled on the ground (1); one end of the arm support (51) is provided with a bucket wheel (3), the other end of the arm support (51) extends into the first head funnel (6), the upper surface of the arm support (51) is provided with a cantilever belt conveyor (4), and the cantilever belt conveyor (4) is positioned between the bucket wheel (3) and the first head funnel (6); the bottom of the first head hopper (6) is connected with the top of the buffer hopper, a vibrating feeder (10) is arranged below the bottom of the buffer hopper, and an electric gate (9) is arranged on the side wall of the bottom of the buffer hopper; the device is characterized in that a weighing feeder (11) is arranged at the outlet of the vibrating feeder (10), a second head funnel (12) is arranged at the outlet of the weighing feeder (11), a guide chute (13) is arranged below the second head funnel (12), and the guide chute (13) is arranged above a storage yard belt conveyor (14);
the bottoms of the front portal (54) and the rear portal (53) are provided with travelling mechanisms (15), the travelling mechanisms (15) are arranged on steel rails (16), the steel rails (16) are arranged on the ground (1), and the bucket wheel reclaimer enables the whole machine to travel along the steel rails (16) through the travelling mechanisms (15);
the buffer hopper comprises an upper buffer hopper (7) and a lower buffer hopper (8), wherein the top of the upper buffer hopper (7) is connected with the bottom of the first head hopper (6), and the bottom of the upper buffer hopper (7) is connected with the top of the lower buffer hopper (8).
2. Bucket wheel reclaimer for bulk blending operations according to claim 1, characterized in that the upper cross beam (52) is located at the top of the front (54) and rear (53) mast and the lower cross beam (55) is located in the middle of the front (54) and rear (53) mast.
3. The bucket wheel reclaimer applied to bulk cargo mixing operation according to claim 1, wherein the upper buffer bucket (7) is of a cone structure, and the lower buffer bucket (8) is of a reverse cone structure, so that the capacity of piled bulk cargo (2) is conveniently enlarged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810239497.0A CN108341276B (en) | 2018-03-22 | 2018-03-22 | Bucket-wheel reclaimer applied to bulk cargo blending operation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810239497.0A CN108341276B (en) | 2018-03-22 | 2018-03-22 | Bucket-wheel reclaimer applied to bulk cargo blending operation |
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| Publication Number | Publication Date |
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| CN108341276A CN108341276A (en) | 2018-07-31 |
| CN108341276B true CN108341276B (en) | 2024-03-12 |
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| CN201810239497.0A Active CN108341276B (en) | 2018-03-22 | 2018-03-22 | Bucket-wheel reclaimer applied to bulk cargo blending operation |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109335715B (en) * | 2018-10-31 | 2020-10-09 | 中交一航局安装工程有限公司 | Port bulk material loading and unloading buffer bin and application process thereof |
| CN110255212A (en) * | 2019-06-11 | 2019-09-20 | 中交第三航务工程勘察设计院有限公司 | A kind of harbour bulk goods mixture operating system and its operational method |
| CN112794122A (en) * | 2021-03-11 | 2021-05-14 | 湖南九九智能环保股份有限公司 | But industrial and mineral material canopy feeding system that dust was pressed down to cloud and fog |
| CN113335882B (en) * | 2021-06-07 | 2022-12-20 | 中煤科工智能储装技术有限公司 | Site bulk material loading system and method |
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|---|---|---|---|---|
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| JPH06271082A (en) * | 1993-03-17 | 1994-09-27 | Kawasaki Heavy Ind Ltd | Bucket wheel type continuous unloader |
| CN104355131A (en) * | 2014-10-24 | 2015-02-18 | 中交第三航务工程勘察设计院有限公司 | Bulk material piling machine for two-way incoming material stockpiling port and method for piling two-way incoming materials on storage yard |
| CN104590908A (en) * | 2014-12-19 | 2015-05-06 | 湖南长重机器股份有限公司 | Moving track regulating device for bucket-wheel pile or belt conveyor of tail machine of material taking machine |
| WO2015096517A1 (en) * | 2013-12-27 | 2015-07-02 | 珠海三一港口机械有限公司 | Ship loading and unloading machiner |
| CN105383955A (en) * | 2015-11-18 | 2016-03-09 | 中交第三航务工程勘察设计院有限公司 | Port bulk cargo ship unloading and loading transferring all-in-one machine |
| CN107601065A (en) * | 2017-09-05 | 2018-01-19 | 山东欧瑞安电气有限公司 | A kind of rotor permanent-magnet motor direct-drive bucket-wheel stacker reclaimer |
| CN208182219U (en) * | 2018-03-22 | 2018-12-04 | 中交第三航务工程勘察设计院有限公司 | A kind of bucket wheel reclaimer applied to bulk goods mixture operation |
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2018
- 2018-03-22 CN CN201810239497.0A patent/CN108341276B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1124520A (en) * | 1965-09-20 | 1968-08-21 | Buckau Wolf Maschf R | Improvements in or relating material removing apparatus |
| JPH06271082A (en) * | 1993-03-17 | 1994-09-27 | Kawasaki Heavy Ind Ltd | Bucket wheel type continuous unloader |
| WO2015096517A1 (en) * | 2013-12-27 | 2015-07-02 | 珠海三一港口机械有限公司 | Ship loading and unloading machiner |
| CN104355131A (en) * | 2014-10-24 | 2015-02-18 | 中交第三航务工程勘察设计院有限公司 | Bulk material piling machine for two-way incoming material stockpiling port and method for piling two-way incoming materials on storage yard |
| CN104590908A (en) * | 2014-12-19 | 2015-05-06 | 湖南长重机器股份有限公司 | Moving track regulating device for bucket-wheel pile or belt conveyor of tail machine of material taking machine |
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| CN108341276A (en) | 2018-07-31 |
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Address after: No. 831 zhaojiaman Road, Xuhui District, Shanghai Applicant after: CCCC THIRD HARBOR CONSULTANTS Co.,Ltd. Address before: 200032 831 Zhaojia Bang Road, Xuhui District, Shanghai Applicant before: CCCC THIRD HARBOR CONSULTANTS Co.,Ltd. |
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