CN113104615A - Bulk machine - Google Patents
Bulk machine Download PDFInfo
- Publication number
- CN113104615A CN113104615A CN202110565652.XA CN202110565652A CN113104615A CN 113104615 A CN113104615 A CN 113104615A CN 202110565652 A CN202110565652 A CN 202110565652A CN 113104615 A CN113104615 A CN 113104615A
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- telescopic
- outer cylinder
- air
- breathable
- cylinder
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- 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
- B65G69/00—Auxiliary measures taken, or devices used, in connection with loading or unloading
- B65G69/18—Preventing escape of dust
- B65G69/181—Preventing escape of dust by means of sealed systems
- B65G69/182—Preventing escape of dust by means of sealed systems with aspiration means
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- 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
- B65G65/30—Methods or devices for filling or emptying bunkers, hoppers, tanks, or like containers, of interest apart from their use in particular chemical or physical processes or their application in particular machines, e.g. not covered by a single other subclass
- B65G65/32—Filling devices
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Auxiliary Methods And Devices For Loading And Unloading (AREA)
Abstract
The invention provides a bulk machine, which comprises: the air-permeable telescopic frame comprises a frame body, a telescopic inner cylinder, a breathable telescopic outer cylinder, a telescopic driving device and an air collecting box. The telescopic inner cylinder is arranged at a discharge port of a bin to be discharged. The breathable telescopic outer cylinder is arranged outside the telescopic inner cylinder, and the telescopic directions are the same. The outer cylinder of breathing freely and stretching inserts in waiting to throw the feed inlet of material feed bin, and the lower part opening shape is similar with the feed inlet shape of waiting to throw the material feed bin, and the lateral wall of the outer cylinder of breathing freely and stretching sets up with the feed inlet lateral wall of waiting to throw the material feed bin in the equal clearance. Under the action of the driving device, the telescopic inner cylinder and the breathable telescopic outer cylinder move in a telescopic mode. The air collecting box is communicated with an upper opening of the breathable telescopic outer cylinder, and an air suction opening is formed in the air collecting box. The invention can solve the problem that the bulk machine is easy to smoke in bulk, and has better dust-proof effect.
Description
Technical Field
The invention relates to the field of bulk equipment for powder particles, in particular to a bulk machine.
Background
Bulk material loading and unloading equipment is widely applied to the industries of cement, ore, coal, steel and the like, and bulk loaders of special equipment such as automobiles, trains, ships and the like are developed from the coming to the present, great progress is made in the aspects of structure, mechanism and material use, and the working principle of the bulk loader mainly comprises the following steps: discharging, distributing and collecting. The bulk machine is integrated with the existing bulk machine for granular materials at home and abroad, when the granular materials are fed in bulk, the smoke is serious, the normal bulk operation is influenced, and the environment is polluted, so that the bulk machine is required to be provided to solve the problem that the bulk machine is easy to smoke in bulk.
Disclosure of Invention
In view of the above-mentioned shortcomings of the prior art, the present invention aims to provide a bulk machine to solve the problem that the bulk machine is easy to smoke when used for bulk loading.
To achieve the above and other related objects, the present invention provides a bulk machine, comprising: the air-permeable telescopic frame comprises a frame body, a telescopic inner cylinder, a breathable telescopic outer cylinder, a telescopic driving device and an air collecting box. The frame body is erected on the lower side of a discharge opening of the material bin to be discharged. The upper portion of flexible inner tube is installed on the bin outlet, the inner chamber of flexible inner tube with the bin outlet is linked together. The breathable telescopic outer barrel is arranged outside the telescopic inner barrel and has the same telescopic direction as the telescopic inner barrel, the upper part of the breathable telescopic outer barrel is arranged on the frame body, and the lower part of the breathable telescopic outer barrel is connected with the lower part of the telescopic inner barrel through at least two connectors. The outer cylinder of breathing freely stretching out and drawing back inserts in waiting to throw the feed inlet of material feed bin, and lower part opening shape with wait to throw the feed inlet shape of material feed bin similar, the lateral wall of outer cylinder of breathing freely stretching out and drawing back with wait to throw the equidistant setting of feed inlet lateral wall of material feed bin. The telescopic driving device is installed on the frame body and is provided with at least two lifting ends, and the lifting ends are connected with the connecting body. And the at least two lifting ends reciprocate along the telescopic directions of the telescopic inner cylinder and the breathable telescopic outer cylinder under the action of the driving device. The air collecting box is arranged on the frame body and communicated with an opening at the upper part of the breathable telescopic outer barrel, and an air suction opening is formed in the air collecting box.
In an example of the invention, a gap between the outer wall of the air-permeable telescopic outer cylinder and the side wall of the feed port is 3-5 mm.
In an example of the present invention, the telescopic driving device is provided with a plurality of lifting ropes which are lifted synchronously, the number of the lifting ropes corresponds to the number of the connecting bodies, and the end portions of the lifting ropes are respectively connected with the at least two connecting bodies.
In an example of the present invention, the telescopic driving device is a winding machine, reels are disposed on a winding shaft of the winding machine, the number of the reels is matched with that of the lifting ropes, rope grooves are disposed on the reels, and the width of the rope grooves is 2-3 mm larger than the diameter of the lifting ropes.
In an example of the present invention, a steel wire rope tightness adjusting device is installed on the connecting body, and the lifting rope is connected to an adjusting end of the steel wire rope tightness adjusting device.
In an example of the present invention, the bin to be charged is a rectangular compartment, the upper portion of the rectangular compartment is open, and the opening of the air-permeable telescopic outer cylinder is rectangular and is inserted into the compartment.
In one example of the present invention, the bottom of the air-permeable telescopic outer cylinder is provided with a plurality of suspended sealing curtains.
In an example of the present invention, the air permeable telescopic pipes are inserted into the interior of the vehicle cabin, and the distance between each side outer wall and the corresponding interior wall of the vehicle cabin is equal.
In an example of the present invention, the cross-sectional shape of the telescopic inner cylinder is also rectangular, and the distance between each side outer wall of the telescopic inner cylinder and the inner wall of the corresponding ventilation telescopic pipe is equal.
In an example of the present invention, there are four connecting bodies, and the four connecting bodies are respectively and correspondingly installed on two sides of the air-permeable telescopic pipe and the telescopic inner cylinder.
In an example of the present invention, four lifting ropes are provided and are respectively and correspondingly lifted on the connecting body.
In an example of the present invention, the frame body is provided with a fixed pulley, and the four lifting ropes extend horizontally from the reel and are connected to the connecting body vertically and downwardly after being redirected by the corresponding fixed pulleys.
In an example of the present invention, the air collecting box is disposed around an opening of the air-permeable telescopic outer cylinder.
In one example of the present invention, the telescoping inner barrel comprises a plurality of sleeves nested together.
In one example of the invention, the sleeve is connected with the flange into a whole through the convex edge and can freely stretch and retract.
In an example of the invention, a rod valve is arranged between the discharge port of the bin to be discharged and the telescopic inner cylinder.
In one example of the invention, the rod valve is actuated by a hydraulic cylinder.
In an example of the invention, the air suction opening on the air collecting box is connected with a dust remover which is additionally arranged.
In an example of the present invention, the air-permeable telescopic outer cylinders are sewn together by a nylon string.
When the bulk machine is used for feeding, the telescopic inner cylinder and the air-permeable telescopic outer cylinder extend together and enter the feeding hole of the bin to be fed, the side wall of the air-permeable telescopic outer cylinder and the side wall of the feeding hole of the bin to be fed are arranged at equal intervals, air flow is uniformly surrounded, turbulence is avoided, and the phenomena of local smoke generation and dust emission are avoided.
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 is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a front view of one embodiment of the bulk loader of the present invention;
FIG. 2 is a top view of one embodiment of the bulk machine of the present invention;
FIG. 3 is a similar relationship diagram between the telescopic inner cylinder, the air-permeable telescopic outer cylinder and the wall body of the material bin to be fed in one embodiment of the bulk machine of the invention.
In the figure: 10. bulk loading machine; 11. a frame body; 111. a support body; 112. a platform; 1121. a through hole; 12. a telescopic driving device; 121. a lifting rope; 122. coiling; 13. a fixed pulley; 14. an air collecting box; 141. an air suction opening; 15. a breathable telescopic outer cylinder; 16. an inner telescopic cylinder; 17. a wire rope tightness adjusting device; 18. a linker; 19. sealing the stop curtain; 20. a manual rod valve; 30. an automatic wand valve; 40. a bin to be unloaded; 50. a material bin to be fed; 60. and a redirection tube.
Detailed Description
The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention.
It should be noted that the drawings provided in the present embodiment are only schematic and illustrate the basic idea of the present invention, and although the drawings only show the components related to the present invention and are not drawn according to the number, shape and size of the components in actual implementation, the form, quantity and proportion of the components in actual implementation may be changed arbitrarily, and the layout of the components may be more complicated.
Referring to fig. 1 to 3, fig. 1 is a front view of an embodiment of the bulk loader of the present invention, and fig. 2 is a top view of the embodiment of the bulk loader of the present invention. Fig. 3 is a similar relationship diagram between the telescopic inner cylinder 16, the air-permeable telescopic outer cylinder 15 and the wall body of the material bin 50 to be fed in one embodiment of the bulk loader of the invention. The invention provides a bulk machine 10, wherein the side wall of a ventilating telescopic outer cylinder 15 of the bulk machine 10 and the side wall of a feeding hole of a material bin 50 to be fed are arranged at equal intervals, air flow is uniformly surrounded, turbulence is avoided, the phenomenon of local smoke and dust emission is avoided, and the problem that the bulk machine 10 is easy to smoke in bulk is solved.
Referring to fig. 1 to 2, the bulk machine 10 includes: the frame body 11, the telescopic inner cylinder 16, the ventilating telescopic outer cylinder 15, the telescopic driving device 12 and the air collecting box 14.
Referring to fig. 1, the frame body 11 is erected at the lower side of the discharge opening of the bin 40 to be discharged, and the structural form of the frame body 11 is not limited, and may be a concrete prefabricated structure, a steel structure, or a combination of a steel structure and a concrete structure. In this embodiment, the frame body 11 includes a support body 111 and a platform 112, one side of the platform 112 is installed on the support body 111, the other side of the platform 112 is cantilevered, the platform 112 is provided with a through hole 1121 through which the telescopic inner cylinder 16 can pass, and one side of the through hole 1121 is provided with a platform space through which the telescopic driving device 12 can be installed.
Referring to fig. 1, a manual bar valve 20 is installed on the discharge port, and a direction-changing pipe 60 is installed below the manual bar valve 20, wherein the direction-changing pipe 60 changes the direction of the discharge port which is arranged in an inclined manner to a vertical direction. The lower part of the redirection pipe 60 is provided with an automatic rod valve 30, the automatic rod valve 30 is connected with a heavy cylinder through a nut, and the cylinder is provided with adjusting screw holes at the upper, lower, left and right sides. The upper part of the telescopic inner cylinder 16 is arranged on the lower opening of the rod valve through a bolt assembly, and the inner cavity of the telescopic inner cylinder 16 is communicated with the discharge port. The telescoping inner barrel 16 comprises a plurality of sleeves nested together. The sleeve is connected with the flange into a whole through the convex edge and can be freely stretched and retracted. The inner wall of the sleeve is coated with nano ceramic, so that the wear-resistant effect is better. It is understood that the rod valve and the manual rod valve 20 of the present invention may be part of the discharge tube portion of the cartridge and are not required components of the bulk loader 10 of the present invention. Of course, as an optimal configuration in other examples of the invention, the bulk machine 10 may also include the valve assembly described above.
Referring to fig. 1, the air-permeable telescopic outer cylinder 15 is disposed outside the telescopic inner cylinder 16 and has the same telescopic direction as the telescopic inner cylinder 16, the upper portion of the air-permeable telescopic outer cylinder 15 is mounted on the frame body 11, and the lower portion of the air-permeable telescopic outer cylinder 15 is connected to the lower portion of the telescopic inner cylinder 16 through at least two connectors 18; the ventilating telescopic outer cylinder 15 is inserted into a feeding hole of the material bin 50 to be fed, the shape of an opening at the lower part of the ventilating telescopic outer cylinder is similar to that of the feeding hole of the material bin 50 to be fed (namely similar patterns), and the side wall of the ventilating telescopic outer cylinder 15 and the side wall of the feeding hole of the material bin 50 to be fed are arranged at equal intervals. The outer breathable telescopic cylinder 15 also comprises a plurality of breathable sleeves sewn together by nylon ropes, and in an example of the present invention, a gap between the outer wall of the outer breathable telescopic cylinder 15 and the side wall of the feed inlet of the to-be-fed material bin 50 is 3-5 mm. In an example of the present invention, the bottom of the air-permeable telescopic outer cylinder 15 is provided with a plurality of suspended sealing curtains 19, and when the bulk material charging is required, after the air-permeable telescopic outer cylinder 15 is extended, the quick-searching sealing curtain 19 is suspended to the bottom of the material-to-be-charged bin 50, so as to form a bottom sealing structure.
Referring to fig. 1, the telescopic driving device 12 is mounted on the frame 11 and has at least two lifting ends, and the lifting ends are connected to the connecting body 18; the at least two lifting ends move back and forth along the telescopic directions of the telescopic inner cylinder 16 and the breathable telescopic outer cylinder 15 under the action of the driving device; the telescopic driving device 12 is provided with a plurality of lifting ropes 121 which are lifted synchronously, the number of the lifting ropes 121 corresponds to the number of the connecting bodies 18, and the end parts of the lifting ropes 121 are respectively connected with the at least two connecting bodies 18. In an example of the present invention, four lifting ropes 121 are provided and are respectively and correspondingly hung on the connecting body 18, the telescopic driving device 12 is a winding machine, four fixed pulleys 13 are installed at the edge of the through hole 1121 on the platform 112, four reels 122 are provided on the winding shaft of the winding machine, and four connecting bodies 18 are provided and respectively and correspondingly installed at two sides of the air-permeable telescopic pipe and the telescopic inner cylinder 16. The reel 122 is provided with a rope groove, the width of the rope groove is 2-3 mm larger than the diameter of the lifting rope 121, one end of each of the four lifting ropes 121 is fixed at the bottom of the rope groove on the corresponding reel 122, and the four lifting ropes 121 extend out from the reel 122 in the horizontal direction and are vertically connected with the corresponding connecting body 18 downwards after being changed in direction by the corresponding fixed pulley 13. In order to adjust the pulling force of the four pulling pivots, in an example of the present invention, a wire rope slack adjuster 17 is installed on the connecting body 18, and the lifting rope 121 is connected to an adjusting end of the wire rope slack adjuster 17. In an example of the present invention, a lot of bulk materials are required, the connecting body 18 is further provided with a sensor, the sensor transmits a gap between the lower portions of the telescopic inner cylinder 16 and the air-permeable telescopic outer cylinder 15 and the material layer to the controller, and the controller controls the action of the winch, so that the distance between the lower portions of the telescopic inner cylinder 16 and the air-permeable telescopic outer cylinder 15 and the material layer is automatically adjusted.
Referring to fig. 1 to 2, the wind collecting box 14 is disposed on the platform 112 on the frame 11, the wind collecting box 14 is disposed around the opening of the air-permeable telescopic outer cylinder 15 and is communicated with the upper opening of the air-permeable telescopic outer cylinder 15 through a pressing plate, a wind suction port 141 capable of being connected with a suction device is disposed on the wind collecting box 14, in an example of the present invention, the wind suction port 141 is disposed on the upper wall of the wind collecting box 14 and corresponds to a gap between the telescopic inner sleeve and the air-permeable telescopic outer sleeve, the wind suction port 141 is communicated with an air suction port of an externally-equipped dust collector, dust enters the dust collector from the wind suction port 141 for collection, and the dust in the dust collector is loaded into the material charging bin 50 through the wind suction port 141 after loading. It should be noted that the suction device of the present invention may be configured as an alternative or directly as part of the bulk machine 10 of the present invention. When the bulk materials are loaded, the suction device performs suction operation, because the shape of the lower opening of the telescopic outer cylinder is similar to the shape of the feed inlet of the feed bin 50 to be fed, and the side wall of the telescopic outer cylinder 15 and the side wall of the feed inlet of the feed bin 50 to be fed are arranged in equal intervals, the external air can be sucked through the side wall of the telescopic outer cylinder 15 in the bulk loading process, and a relatively stable flow field is arranged in the gap between the side walls, so that the generation of local turbulence can be prevented, and the overflow of dust can be effectively prevented. It should be noted that, in the present invention, when the gap between the sidewall of the air-permeable telescopic outer cylinder 15 and the sidewall of the feed inlet of the material bin 50 is set at a gap of 3-5 mm, the dust-overflow preventing effect is better.
The shape of the lower opening of the air-permeable telescopic outer cylinder 15 in the present invention is not limited, and the dust-overflow preventing effect can be better if the shape of the lower opening of the air-permeable telescopic outer cylinder 15 is similar to the shape of the feed inlet of the bin 50 to be charged and the openings are arranged at equal intervals, as shown in fig. 3, in an example of the present invention, the bin 50 to be charged is a carriage, the carriage is rectangular, the upper portion of the carriage is open, the opening of the air-permeable telescopic outer cylinder 15 is rectangular, the air-permeable telescopic pipes are inserted into the carriage, and the distance from the outer wall of each side to the inner wall of the carriage corresponding to the air-permeable telescopic outer. The sealing curtain 19 at the bottom of the air-permeable telescopic outer cylinder 15 is hung to the bottom of the carriage. The outer wall of the air-permeable telescopic outer cylinder 15 and the inner wall of the carriage are arranged at equal intervals, and 3-5 mm gaps are kept. The cross section of the telescopic inner cylinder 16 is also rectangular, and the distance from the outer wall of each side of the telescopic inner cylinder 16 to the inner wall of the corresponding ventilating telescopic pipe is equal. Tests prove that under the action of the suction device, when the suction wind speed in the gap reaches 1.85-2 meters per second, no dust overflows at the combination position of the carriage and the bulk machine 10.
The bulk machine 10 of the invention uses the dead weight of the materials to carry out bulk loading, the materials flow from the bin 40 to be unloaded to the automatic rod valve 30 through the discharge port, the manual rod valve 20 and the bend pipe 60, the manual rod valve 20 at the upper part is in a normally open state except for maintenance, the automatic rod valve 30 is opened and closed under the action of a heavy cylinder, and after the automatic rod valve 30 is opened, the granular materials enter the telescopic inner cylinder 16 and finally flow into the bin at the lower part. When the bulk machine 10 is used for feeding, the telescopic inner cylinder 16 and the air-permeable telescopic outer cylinder 15 extend together and enter the feeding hole of the material bin 50 to be fed, the side wall of the air-permeable telescopic outer cylinder 15 and the side wall of the feeding hole of the material bin 50 to be fed are arranged at equal intervals, air flow is uniformly surrounded, turbulence is avoided, the phenomenon of local smoke generation and dust emission is avoided, and therefore the bulk machine has high utilization value and use significance.
The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Many modifications may be made to the present invention without departing from the spirit or scope of the general inventive concept, and it will be apparent to those skilled in the art that changes and modifications may be made to the above-described embodiments without departing from the spirit or scope of the invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (10)
1. A bulk machine, comprising:
the frame body is erected on the lower side of a discharge port of the material bin to be discharged;
the upper part of the telescopic inner cylinder is arranged on the discharge port, and the inner cavity of the telescopic inner cylinder is communicated with the discharge port;
the upper part of the breathable telescopic outer cylinder is arranged on the frame body, and the lower part of the breathable telescopic outer cylinder is connected with the lower part of the telescopic inner cylinder through at least two connectors; the breathable telescopic outer cylinder is inserted into a feed inlet of a feed bin to be fed, the shape of an opening at the lower part of the breathable telescopic outer cylinder is similar to that of the feed inlet of the feed bin to be fed, and the side wall of the breathable telescopic outer cylinder and the side wall of the feed inlet of the feed bin to be fed are arranged at equal intervals;
the telescopic driving device is arranged on the frame body and drives the telescopic inner cylinder and the breathable telescopic outer cylinder to stretch;
the air collecting box is arranged on the frame body and communicated with the upper opening of the breathable telescopic outer barrel, and an air suction opening is formed in the air collecting box.
2. The bulk machine as claimed in claim 1, wherein the clearance between the outer wall of the air-permeable telescopic outer cylinder and the side wall of the feed port is 3-5 mm.
3. The bulk machine according to claim 1, wherein a plurality of lifting ropes which can be lifted synchronously are arranged on the telescopic driving device, the number of the lifting ropes corresponds to the number of the connecting bodies, and the ends of the lifting ropes are respectively connected with the at least two connecting bodies.
4. The bulk machine as claimed in claim 3, wherein the telescopic driving device is a winding machine, reels are arranged on a winding shaft of the winding machine, the number of the reels is matched with that of the lifting ropes, rope grooves are arranged on the reels, and the width of the rope grooves is 2-3 mm larger than the diameter of the lifting ropes.
5. The bulk machine as claimed in claim 3, wherein the connecting body is provided with a steel wire rope tightness adjusting device, and the lifting rope is connected with an adjusting end of the steel wire rope tightness adjusting device.
6. The bulk machine according to claim 1, wherein the hopper to be charged is a carriage, the carriage is rectangular and has an open upper portion, and the opening of the air-permeable telescopic outer cylinder is rectangular and is inserted into the carriage.
7. The bulk machine of claim 6, wherein the bottom of the air permeable telescoping outer barrel is provided with a plurality of depending sealing curtains.
8. The bulk machine as claimed in claim 6, wherein the air-permeable telescopic pipes are inserted into the carriage, and the distance from each outer wall to the corresponding inner wall of the carriage is equal.
9. The bulk machine according to claim 8, wherein the cross-sectional shape of the inner telescopic cylinder is also rectangular, and the distance between each outer wall of the inner telescopic cylinder and the corresponding inner wall of the air-permeable telescopic pipe is equal.
10. The bulk machine according to claim 1, wherein the air collecting box is circumferentially arranged along an opening of the air-permeable telescopic outer cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110565652.XA CN113104615B (en) | 2021-05-24 | 2021-05-24 | Bulk machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110565652.XA CN113104615B (en) | 2021-05-24 | 2021-05-24 | Bulk machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113104615A true CN113104615A (en) | 2021-07-13 |
| CN113104615B CN113104615B (en) | 2023-02-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110565652.XA Active CN113104615B (en) | 2021-05-24 | 2021-05-24 | Bulk machine |
Country Status (1)
| Country | Link |
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| CN (1) | CN113104615B (en) |
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| DE19915727A1 (en) * | 1999-04-08 | 2000-10-19 | Planung Maschinen Und Muehlenb | Device for filling tank with bulk goods comprises filling inlet, adjuster for orientation of inlet and telescopic filling pipe with annular space between telescoping tubes sealed by inflatable sleeve |
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2021
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| DE19915727A1 (en) * | 1999-04-08 | 2000-10-19 | Planung Maschinen Und Muehlenb | Device for filling tank with bulk goods comprises filling inlet, adjuster for orientation of inlet and telescopic filling pipe with annular space between telescoping tubes sealed by inflatable sleeve |
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| CN102234028A (en) * | 2010-04-27 | 2011-11-09 | 宝钢发展有限公司 | Improved structure of coal ash unloading device |
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| Publication number | Publication date |
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| CN113104615B (en) | 2023-02-28 |
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