CN216334842U - Totally enclosed belt conveyor with return water flushing device - Google Patents
Totally enclosed belt conveyor with return water flushing device Download PDFInfo
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- CN216334842U CN216334842U CN202123189277.8U CN202123189277U CN216334842U CN 216334842 U CN216334842 U CN 216334842U CN 202123189277 U CN202123189277 U CN 202123189277U CN 216334842 U CN216334842 U CN 216334842U
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- Prior art keywords
- belt conveyor
- shaped
- portal frame
- return water
- groups
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 54
- 238000011010 flushing procedure Methods 0.000 title claims abstract description 32
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 22
- 239000010959 steel Substances 0.000 claims abstract description 22
- 238000005406 washing Methods 0.000 claims abstract description 10
- 230000001681 protective effect Effects 0.000 claims description 16
- 230000003014 reinforcing effect Effects 0.000 claims description 8
- 229910000975 Carbon steel Inorganic materials 0.000 claims description 7
- 239000010962 carbon steel Substances 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 5
- 239000000853 adhesive Substances 0.000 claims description 4
- 230000002146 bilateral effect Effects 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 20
- 230000002829 reductive effect Effects 0.000 abstract description 9
- 238000012423 maintenance Methods 0.000 abstract description 6
- 238000004140 cleaning Methods 0.000 abstract description 3
- 241000405070 Percophidae Species 0.000 description 6
- 239000003245 coal Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000009825 accumulation Methods 0.000 description 4
- 239000003595 mist Substances 0.000 description 4
- 239000007921 spray Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 229920000515 polycarbonate Polymers 0.000 description 2
- 239000004417 polycarbonate Substances 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 238000009736 wetting Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000013590 bulk material Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
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- Structure Of Belt Conveyors (AREA)
Abstract
The utility model discloses a totally enclosed belt conveyor with a return water washing device, which comprises an enclosed type shield, a unit body and the return water washing device, wherein the enclosed type shield comprises a foundation, the foundation is provided with two groups, steel plates are respectively arranged at the upper ends of the two groups of foundations, the lower end surfaces of the steel plates are positioned in the foundation, fixed angle steel is arranged at the upper ends of the steel plates, a U-shaped enclosed portal frame is fixedly arranged on the fixed angle steel through bolts, a cross beam is arranged at the upper part of the inner cavity of the U-shaped enclosed portal frame, an intermediate frame is jointly arranged between the two groups of foundations, and the intermediate frame is positioned on the inner side of the U-shaped enclosed portal frame. According to the totally-enclosed belt conveyor with the return water flushing device, the return water flushing device is used for cleaning the ground while totally-enclosed conveying of materials of the belt conveyor is guaranteed, the problem of serious return belt materials of the belt conveyor is solved, the maintenance cost is reduced, the stability is high, the practicability is high, and the service life is long.
Description
Technical Field
The utility model relates to the technical field of belt conveyors, in particular to a fully-enclosed belt conveyor with a return water flushing device.
Background
As a material conveying device, a belt conveyor is widely used in the industries of coal mines, power plants, ports and docks, and the like, and is used for bulk material transportation. Traditional belt conveyor generally arranges in the open air, causes the pollution of environment easily in the transportation, and easily receives weather effects such as sleet, typhoon, and then influences the normal operation and the use of belt feeder. Meanwhile, the return belt is easy to produce falling coal slag, so that ground pollution is caused, and the cleaning difficulty is increased.
The application document of the prior patent (application number 201920788054.7) discloses a belt conveyor with a totally enclosed bearing surface, which comprises a support frame, a sliding plate and a middle horizontal carrier roller; the top of the support frame is provided with a bearing surface, and the bottom of the top of the support frame is provided with an empty bearing surface; the middle horizontal carrier roller is arranged on the support frame, and the two sides of the middle horizontal carrier roller are symmetrically provided with inclined sliding plates. The bearing rubber belt of the bearing surface totally-enclosed belt conveyor is supported by a sliding plate material, so that the bearing support member continuously supports the rubber belt. The device can improve the phenomena of deviation and material scattering which are easy to occur in the traditional belt conveyor, thereby optimizing the operation environment of the coal conveying system, improving the environmental protection level of the coal conveying system and realizing clean and efficient coal transportation.
The above patent has the disadvantages of weak bearing capacity, difficult cleaning of the ground in the closed protective cover, difficult maintenance of the belt conveyor and the like, so that the totally-closed belt conveyor with the return water flushing device is provided.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims to provide a totally enclosed belt conveyor with a return water flushing device, which can effectively solve the problems in the background art.
In order to achieve the purpose, the utility model adopts the technical scheme that:
the totally enclosed belt conveyor comprises a closed type shield, a unit body and a return water washing device, wherein the closed type shield comprises a foundation, the foundation is provided with two groups, two groups of steel plates are arranged at the upper end of the foundation, the end faces of the steel plates are positioned inside the foundation, fixed angle steel is arranged at the upper end of each steel plate, a U-shaped enclosed portal frame is fixedly arranged on each fixed angle steel through bolts, a cross beam is arranged at the upper part of the inner cavity of the U-shaped enclosed portal frame, two groups of intermediate frames are jointly arranged between the foundations, the intermediate frames are positioned at the inner sides of the U-shaped enclosed portal frames, a top arc-shaped shield is arranged at the top of the outer surface of each U-shaped enclosed portal frame, the left part and the right part of the outer surface of each U-shaped enclosed portal frame are respectively provided with a side rectangular shield, and the joint of the side rectangular shield and the top arc-shaped shield is provided with a carbon steel pressing bar, the carbon steel pressing bar is fixedly connected with the U-shaped closed door frame through a bolt; the unit machine body comprises support frames, vertical frames, a belt conveyor return belt and lower carrier rollers, the vertical frames are provided with two groups, the two groups of vertical frames are distributed in bilateral symmetry, horizontal carrier rollers are movably connected between the two parallel vertical frames together, the support frames are provided with two groups, the two groups of support frames are respectively positioned on the outer sides of the two groups of vertical frames, oblique rollers are movably connected between the support frames and the adjacent vertical frames together, the upper parts of the oblique rollers and the horizontal carrier rollers are provided with belt conveyor bearing surfaces together, the lower carrier rollers are movably connected with the middle frame, and the upper part of the outer surface of each lower carrier roller is provided with the belt conveyor return belt; the device is washed to return stroke water includes female pipe, female pipe is located the snub pulley below, female pipe surface sub-unit connection has the lateral conduit, electric ball valve is installed to the lateral conduit lower extreme, flat duckbilled shower nozzle is installed to the electric ball valve lower extreme, the splashproof cover has been cup jointed to flat duckbilled shower nozzle surface.
Preferably, a reinforcing rib is arranged in the middle of the inner cavity of the U-shaped closed door frame, and a locking hook is arranged between the middle frame and the U-shaped closed door frame.
Preferably, a self-adhesive sealing strip is arranged between the U-shaped closed door frame and the top arc-shaped protective cover, and a top arc-shaped pressing strip is arranged on the outer surface of the top arc-shaped protective cover.
Preferably, the outer surface of the U-shaped closed portal frame is provided with a U-shaped closed portal frame boss, and a fastening bolt, a long pin, a nut, a gasket and double nuts are arranged between the top arc-shaped pressing strip and the U-shaped closed portal frame boss.
Preferably, the top of the fastening bolt is of a hollow cylindrical structure, and the hollow cylindrical structure at the top of the fastening bolt is matched with the hollow cylinder at the end part of the top arc-shaped pressing strip.
Preferably, the return water flushing device further comprises an electric automatic control system, and the electric ball valve is electrically connected with the electric automatic control system.
Compared with the prior art, the utility model has the following beneficial effects:
1. the belt conveyor is additionally provided with the return water flushing device, so that the accumulation of bulk materials in the closed belt conveyor can be reduced, and the maintenance cost for manually removing the bulk materials is reduced;
2. when the bulk cargo quantity exceeds a rated threshold value, the PLC control system drives the electric ball valve to rotate, and the return water washing device is started, so that the water consumption is reduced;
3. the corner of the ball valve is accurately controlled by compiling parameter adjustment of a PLC program, the corner of the ball valve is determined by the accumulation amount of bulk materials, the more the bulk materials are, the larger the water yield is, and the flushing effect of the return water device is ensured;
4. the return water washing device adopts a flat duckbill nozzle to spray water uniformly, and a splash guard is additionally arranged to realize directional spraying of water mist, so that the water mist is prevented from wetting the belt conveyor, the short circuit probability of electrical equipment is reduced, and the service life of the belt conveyor is prolonged;
5. the top arc-shaped protective cover and the side rectangular protective cover are both made of transparent Polycarbonate (PC) material wind-resistant endurance plates, so that the strength is high, certain extreme weather can be resisted, the transparency is good, the specific condition of material conveying can be conveniently observed, and the problems in the conveying process can be timely found and solved;
6. the middle part of the U-shaped closed portal frame is provided with a reinforcing rib, and the top part of the U-shaped closed portal frame is provided with a reinforcing cross beam, so that the integral structural strength can be enhanced.
Drawings
FIG. 1 is a schematic cross-sectional overall structure diagram of a totally enclosed belt conveyor with a return water flushing device according to the present invention;
FIG. 2 is a schematic view of the whole structure of the fully enclosed belt conveyor with a return water flushing device at the position A;
FIG. 3 is a schematic view of the whole structure of the fully enclosed belt conveyor with a return water flushing device at the position B;
FIG. 4 is a side view of the overall structure of a totally enclosed belt conveyor with a return water flushing device of the present invention;
FIG. 5 is a schematic view of the whole structure of the fully enclosed belt conveyor with a return water flushing device at the position C;
FIG. 6 is a schematic view of the overall structure of the top arc-shaped pressing strip of the totally enclosed belt conveyor with the return water flushing device of the utility model;
FIG. 7 is a schematic view of the mounting structure of a fastening bolt of the totally enclosed belt conveyor with a return water flushing device of the utility model;
fig. 8 is an overall structural schematic diagram of a fastening bolt of the totally enclosed belt conveyor with a return water flushing device of the utility model.
In the figure: 1. a U-shaped closed portal frame; 2. a support frame; 3. erecting a frame; 4. a horizontal carrier roller; 5. a bearing surface of the belt conveyor; 6. a cross beam; 7. a skew roller; 8. locking the hook; 9. fixing angle steel; 10. a steel plate; 11. a foundation; 12. a belt conveyor return belt; 13. a lower carrier roller; 14. a middle frame; 15. an electric ball valve; 16. a flat duckbill spout; 17. a splash guard; 18. a main pipe; 19. a branch pipe; 20. a top arc-shaped shield; 21. a top arc-shaped pressing strip; 22. a self-adhesive sealing strip; 23. a side rectangular protective cover; 24. pressing a carbon steel strip; 25. reinforcing ribs; 26. a U-shaped closed portal boss; 27. a nut; 28. fastening a bolt; 29. a gasket; 30. double nuts; 31. and a long pin.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1-8, a totally enclosed belt conveyor with a return water washing device comprises an enclosed shield, a unit body and a return water washing device, wherein the enclosed shield comprises a foundation 11, the foundation 11 is provided with two groups, steel plates 10 are respectively installed at the upper ends of the two groups of foundations 11, the lower end surfaces of the steel plates 10 are positioned in the foundation 11, fixed angle steel 9 is arranged at the upper ends of the steel plates 10, a U-shaped enclosed portal frame 1 is fixedly installed on the fixed angle steel 9 through bolts, a cross beam 6 is installed at the upper part of an inner cavity of the U-shaped enclosed portal frame 1, an intermediate frame 14 is commonly installed between the two groups of foundations 11, the intermediate frame 14 is positioned at the inner side of the U-shaped enclosed portal frame 1, a top arc-shaped shield 20 is arranged at the top of the outer surface of the U-shaped enclosed portal frame 1, side rectangular shields 23 are respectively arranged at the left part and the right part of the outer surface of the U-shaped enclosed portal frame 1, carbon steel pressing strips 24 are arranged at the joints of the side rectangular shields 23 and the top arc-shaped shields 20, the carbon steel pressing bar 24 is fixedly connected with the U-shaped closed portal 1 through a bolt; the unit machine body comprises support frames 2, vertical frames 3, a belt conveyor return belt 12 and lower carrier rollers 13, the vertical frames 3 are provided with two groups, the two groups of vertical frames 3 are distributed in bilateral symmetry, horizontal carrier rollers 4 are jointly and movably connected between the two parallel vertical frames 3, the support frames 2 are provided with two groups, the two groups of support frames 2 are respectively positioned at the outer sides of the two groups of vertical frames 3, oblique rollers 7 are jointly and movably connected between the support frames 2 and the adjacent vertical frames 3, the upper parts of the oblique rollers 7 and the horizontal carrier rollers 4 are jointly provided with a belt conveyor bearing surface 5, the lower carrier rollers 13 are movably connected with an intermediate frame 14, and the upper parts of the outer surfaces of the lower carrier rollers 13 are provided with the belt conveyor return belt 12; the device is washed to return water includes female pipe 18, and female pipe 18 is located snub pulley 13 below, and female 18 surface sub-unit connections of pipe have branch pipeline 19, and electric ball valve 15 is installed to branch pipeline 19 lower extreme, and flat duckbill shower nozzle 16 is installed to electric ball valve 15 lower extreme, and the splash guard 17 has been cup jointed to flat duckbill shower nozzle 16 surface.
Reinforcing ribs 25 are arranged in the middle of the inner cavity of the U-shaped closed portal frame 1, and a locking hook 8 is arranged between the middle frame 14 and the U-shaped closed portal frame 1, so that the influence of extreme weather (such as wind, snow, typhoon and the like) on the protective cover of the belt conveyor is prevented.
A self-adhesive sealing strip 22 is arranged between the U-shaped closed door frame 1 and the top arc-shaped protective cover 20, a top arc-shaped pressing strip 21 is arranged on the outer surface of the top arc-shaped protective cover 20, the sealing performance of the protective cover is improved, the dust raising phenomenon is avoided, the infiltration of rain, snow and the like is prevented, and the environment quality of the conveying process of the conveyor is improved.
The outer surface of the U-shaped closed portal frame 1 is provided with a U-shaped closed portal frame boss 26, and a fastening bolt 28, a long pin 31, a nut 27, a gasket 29 and double nuts 30 are arranged between the top arc-shaped pressing strip 21 and the U-shaped closed portal frame boss 26.
Fastening bolt 28 top is the hollow cylinder structure, can make long round pin 31 pass smoothly, reaches fixed effect, and fastening bolt 28 top hollow cylinder structure and the hollow cylinder phase-match of 21 tip of top arc layering make things convenient for the extraction of long round pin 31 to the dismantlement of the top arc layering 21 of being convenient for, through setting up 29 increase area of contact of gasket, increase frictional force can effectually prevent and treat that the bolt is not hard up.
The return flushing device also comprises an electric automatic control system, the electric ball valve 15 is electrically connected with the electric automatic control system, and through PLC automatic control, when the return flushing device is needed to flush the ground, the PLC control system reads I/O port data information according to a command, and sequentially controls the electric valve to execute an opening-flushing (flushing time is set according to actual requirements) and closing command according to an original setting program, so that the water consumption can be reduced according to the condition of bulk materials in the conveying process of the belt conveyor and the flow of regulated water, and the maintenance cost is reduced.
The utility model is a totally enclosed belt conveyor with a return water flushing device, which can reduce accumulation of bulk materials inside the enclosed belt conveyor and reduce maintenance cost of manually clearing bulk materials by arranging the return water flushing device to flush the ground in an enclosed protective cover, wherein a group of flat duckbill nozzles 16 are arranged at intervals of 6 meters, and are matched with a group of electric ball valves 15 to be sequentially started, so that the totally enclosed belt conveyor can be used for flushing the bulk materials on the ground in the return process of conveying materials by the belt conveyor, reducing manual maintenance inside the totally enclosed protective cover and reducing internal temperature, and can also be used for inhibiting dust when the water content of fuel is ultra-low; when the bulk cargo quantity exceeds a rated threshold value, the PLC control system drives the electric ball valve 15 to rotate, and the return water washing device is started, so that the water consumption is reduced; through the programming parameter adjustment of the PLC program, the corner accurate control of the electric ball valve 15 is realized, the corner of the electric ball valve 15 is determined by the accumulation amount of bulk materials, the more the bulk materials are, the larger the water yield is, and the flushing effect of the return water device is ensured; the return water washing device adopts the flat duckbill spray head 16 to spray water uniformly, and meanwhile, the splash guard 17 is additionally arranged to realize directional spraying of water mist, so that the water mist is prevented from wetting the belt conveyor, the short circuit probability of electrical equipment is reduced, and the service life of the belt conveyor is prolonged; the top arc-shaped protective cover 20 and the side rectangular protective cover 23 are both made of transparent Polycarbonate (PC) material wind-resistant endurance plates, have high strength, can resist certain extreme weather and good transparency, are convenient for observing the specific conditions of material conveying, and can find and solve problems in the conveying process in time; the middle part of the U-shaped closed portal frame 1 is provided with a reinforcing rib 25, and the top part of the U-shaped closed portal frame is provided with a reinforcing cross beam 6, so that the integral structural strength can be enhanced.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a take return stroke water washing unit's totally enclosed belt conveyor, washes device, its characterized in that including closed guard shield, unit fuselage and return stroke water: the closed type shield comprises a foundation (11), wherein the foundation (11) is provided with two groups, two groups of steel plates (10) are arranged at the upper end of the foundation (11), the lower end faces of the steel plates (10) are positioned inside the foundation (11), fixed angle steel (9) is arranged at the upper end of the steel plates (10), a U-shaped closed portal frame (1) is arranged on the fixed angle steel (9) through bolt fixing, a cross beam (6) is arranged on the upper portion of an inner cavity of the U-shaped closed portal frame (1), two groups of middle frames (14) are jointly arranged between the foundations (11), the middle frames (14) are positioned on the inner side of the U-shaped closed portal frame (1), a top arc-shaped shield (20) is arranged at the top of the outer surface of the U-shaped closed portal frame (1), a side rectangular shield (23) is arranged at the left portion and the right portion of the outer surface of the U-shaped closed portal frame (1), a carbon steel pressing bar (24) is arranged at the joint of the side rectangular shield (23) and the top arc-shaped shield (20), the carbon steel pressing bar (24) is fixedly connected with the U-shaped closed door frame (1) through a bolt; the unit machine body comprises support frames (2), vertical frames (3), a belt conveyor return belt (12) and lower support rollers (13), the vertical frames (3) are arranged in two groups, the two groups of vertical frames (3) are distributed in a bilateral symmetry mode, horizontal support rollers (4) are movably connected between the two parallel vertical frames (3) together, the support frames (2) are arranged in two groups, the two groups of support frames (2) are respectively positioned on the outer sides of the two groups of vertical frames (3), oblique rollers (7) are movably connected between the support frames (2) and the adjacent vertical frames (3) together, the belt conveyor bearing surfaces (5) are arranged on the upper portions of the oblique rollers (7) and the horizontal support rollers (4) together, the lower support rollers (13) are movably connected with the middle frames (14), and the belt conveyor return belt (12) is arranged on the upper portions of the outer surfaces of the lower support rollers (13); device is washed to return water includes female pipe (18), female pipe (18) are located snub pulley (13) below, female pipe (18) surface sub-unit connection has lateral conduit (19), electric ball valve (15) are installed to lateral conduit (19) lower extreme, flat duckbilled shower nozzle (16) are installed to electric ball valve (15) lower extreme, splash guard (17) have been cup jointed to flat duckbilled shower nozzle (16) surface.
2. The totally enclosed belt conveyor with return water flushing device according to claim 1, characterized in that: the U-shaped closed portal frame is characterized in that a reinforcing rib (25) is arranged in the middle of the inner cavity of the U-shaped closed portal frame (1), and a locking hook (8) is arranged between the middle frame (14) and the U-shaped closed portal frame (1).
3. The totally enclosed belt conveyor with return water flushing device according to claim 2, characterized in that: a self-adhesive sealing strip (22) is arranged between the U-shaped closed door frame (1) and the top arc-shaped protective cover (20), and a top arc-shaped pressing strip (21) is arranged on the outer surface of the top arc-shaped protective cover (20).
4. The totally enclosed belt conveyor with return water flushing device according to claim 3, characterized in that: the U-shaped closed portal frame structure is characterized in that a U-shaped closed portal frame boss (26) is arranged on the outer surface of the U-shaped closed portal frame (1), and a fastening bolt (28), a long pin (31), a nut (27), a gasket (29) and double nuts (30) are arranged between the top arc-shaped pressing strip (21) and the U-shaped closed portal frame boss (26).
5. The totally enclosed belt conveyor with return water flushing device as claimed in claim 4, characterized in that: the top of the fastening bolt (28) is of a hollow cylindrical structure, and the hollow cylindrical structure at the top of the fastening bolt (28) is matched with the hollow cylinder at the end part of the top arc-shaped pressing strip (21).
6. The totally enclosed belt conveyor with return water flushing device according to claim 5, characterized in that: the return water flushing device further comprises an electric automatic control system, and the electric ball valve (15) is electrically connected with the electric automatic control system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123189277.8U CN216334842U (en) | 2021-12-18 | 2021-12-18 | Totally enclosed belt conveyor with return water flushing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123189277.8U CN216334842U (en) | 2021-12-18 | 2021-12-18 | Totally enclosed belt conveyor with return water flushing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216334842U true CN216334842U (en) | 2022-04-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123189277.8U Expired - Fee Related CN216334842U (en) | 2021-12-18 | 2021-12-18 | Totally enclosed belt conveyor with return water flushing device |
Country Status (1)
| Country | Link |
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| CN (1) | CN216334842U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114834859A (en) * | 2022-05-25 | 2022-08-02 | 华电重工股份有限公司 | Coal conveying trestle cleaning system |
-
2021
- 2021-12-18 CN CN202123189277.8U patent/CN216334842U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114834859A (en) * | 2022-05-25 | 2022-08-02 | 华电重工股份有限公司 | Coal conveying trestle cleaning system |
| CN114834859B (en) * | 2022-05-25 | 2024-05-03 | 华电重工股份有限公司 | Coal conveying stack bridge cleaning system |
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Granted publication date: 20220419 |