CN214567775U - Unloading system suitable for flat-bottom storage bin - Google Patents
Unloading system suitable for flat-bottom storage bin Download PDFInfo
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- CN214567775U CN214567775U CN202120434471.9U CN202120434471U CN214567775U CN 214567775 U CN214567775 U CN 214567775U CN 202120434471 U CN202120434471 U CN 202120434471U CN 214567775 U CN214567775 U CN 214567775U
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- scraper
- feed bin
- unloading
- discharging
- unloader
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Abstract
The utility model discloses a system of unloading suitable for flat feed bin belongs to the feed bin technical field of unloading. The bottom bin bottom of the storage bin is provided with a plurality of downwards extending conical discharging sections at even intervals around the circumferential direction, the conical discharging sections are of funnel-shaped structures, and the bottom center position of each conical discharging section is provided with a discharging opening; be provided with the scraper unloader in the toper section of unloading, the scraper unloader is provided with the scraper including extending to the inside decompression awl of feed bin, the below of decompression awl, and the scraper is located the top of discharge opening. The utility model aims to solve the problem that feed bin space utilization is low among the prior art and the material easily blocks up, provide a system of unloading suitable for flat feed bin, not only can realize material "FIFO", effectively solve the problem that the material blockked up, can also reduce the civil engineering investment cost of feed bin, improve the feed bin utilization ratio.
Description
Technical Field
The utility model belongs to the technical field of the feed bin is unloaded, more specifically says, relates to a system of unloading suitable for flat feed bin.
Background
At present, a storage bin in the existing metallurgy and coal industry technology mostly adopts a structure with a single-cone or multi-cone lower part, and discharges materials according to the principle of first-in first-out through feeding of a disk feeder or feeding of a vibrating feeder and the like. In order to avoid the blockage of the bulk materials at the lower part of the storage bin, the bevel angle of the conical section must be increased, and simultaneously, in order to meet the storage requirement, the height of the storage bin must be increased, the civil engineering cost is increased, the utilization rate of the storage bin is reduced, and the defect is more obvious especially for large-size storage bins.
When the improved storage bin structure is a flat-bottom bin body, materials far away from the discharge port can not flow smoothly, solidification and blockage can easily occur, and particularly, the coal storage bin can be blocked for a long time to cause spontaneous combustion, so that safety accidents are caused. At present, the discharging equipment mainly adopts the disk feeder to discharge, but the size of a disk discharging opening is small, so that the problems can be caused. Therefore, it is urgently needed to design a discharging system suitable for a flat bottom bin, and the problems of overhigh height, low space utilization rate, high investment, easy material blockage and the like of a storage bin can be effectively solved.
Through retrieval, a large number of patents have been disclosed about the discharge system of the storage bin, for example, the Chinese patent application numbers are: 2014200628942, the name of invention creation is: the feed bin comprises a feed bin body and a feed bin base, an annular discharge port is formed between an opening in the lower portion of the feed bin body and the feed bin base, and the annular disc feeder is butted below the annular discharge port.
Also, for example, the Chinese patent application number is: 2016200955572, the name of invention creation is: the utility model provides a central batcher with rotation type inner cone structure, a central batcher with rotation type inner cone structure is disclosed, including the storage silo, the inner cone, the chassis, drive mechanism, actuating mechanism, discharge tube and the scraper of unloading, the inner cone sets up the inside at the storage silo, the chassis sets up the lower extreme export at the storage silo, the discharge tube cartridge just communicates with the storage silo under the chassis, the scraper rigid coupling of unloading is in the upper end of discharge tube, and the scraper setting of unloading is in the storage silo, the inner cone rigid coupling is in the upper end of the scraper of unloading, the discharge tube passes through drive mechanism and is connected with actuating mechanism, actuating mechanism sets up the lower extreme at the storage silo.
The scheme is a good exploration for the discharging system of the storage bin, but the research on the discharging system of the storage bin in the industry is never stopped.
SUMMERY OF THE UTILITY MODEL
1. Problems to be solved
The utility model aims to solve the problem that feed bin space utilization is low among the prior art and the material easily blocks up, provide a system of unloading suitable for flat feed bin, not only can realize material "FIFO", effectively solve the problem that the material blockked up, can also reduce the civil engineering investment cost of feed bin, improve the feed bin utilization ratio.
2. Technical scheme
In order to solve the above problems, the utility model adopts the following technical proposal.
The utility model discloses a discharge system suitable for flat-bottom storage bin, the bottom of the storage bin is provided with a plurality of downward extending conical discharge sections at even intervals around the circumference, the conical discharge section is of funnel-shaped structure, and the bottom center position of the conical discharge section is provided with a discharge opening; be provided with the scraper unloader in the toper section of unloading, the scraper unloader is provided with the scraper including extending to the inside decompression awl of feed bin, the below of decompression awl, and the scraper is located the top of discharge opening.
As a further improvement of the utility model, the included angle between the inner side wall of the conical discharging section and the horizontal plane is 30-60 degrees.
As a further improvement, the conical discharge section is 4, and the circumferential included angle between two adjacent conical discharge sections is 90 °.
As a further improvement, the top of the pressure reducing cone extends beyond the top of the conical discharge section, and the outer side surface of the pressure reducing cone is provided with a wear-resistant layer.
As a further improvement, the lower part of the scraper unloader is provided with a belt conveyor, and the upper part of the stock bin is provided with a movable unloading car.
As a further improvement, the utility model is provided with a plurality of nozzles on the inside wall of the toper section of unloading, and the nozzle passes through the pipeline and links to each other with the compressed air gas holder.
As a further improvement, the scraper unloader is provided with a plurality of scrapers around circumference, and the outer side of the scraper is provided with a wear-resistant layer.
3. Advantageous effects
Compared with the prior art, the beneficial effects of the utility model are that:
(1) the utility model discloses a system of unloading suitable for flat feed bin, the mobile mode of bulk material in the silo can be changed in the setting of scraper unloader, through the rotation of decompression awl, level and vertical ascending power of side are applyed to the material, eliminate often appearing "central stream" phenomenon in the silo in the past, make the bulk material in the silo can fall and flow, utilize the rotatory material mode of scraping of scraper simultaneously, can effectively scrape the bulk material and unload the material, realize evenly unloading, fundamentally has solved the problem of material jam.
(2) The utility model discloses a system of unloading suitable for flat feed bin, the funnel type structural design of section is unloaded to the toper makes the unloading more smooth and easy, and a plurality of toper are unloaded the section and not only can be realized the ejection of compact of many mouthfuls, guarantee material "first in first out", have solved material consolidation and have blockked up the scheduling problem.
(3) The utility model discloses a system of unloading suitable for flat feed bin, the diameter size of discharge opening is about 4m, can effectively solve the little material consolidation and the jam scheduling problem that causes of disc discharge opening size, because the distance between discharge opening and the below belt conveyor should not be less than 4m, the discharge opening is big more, the height of toper section then is little more to make the space grow that the feed bin can the storage, improved the space utilization of feed bin, and reduced the civil engineering cost of feed bin.
(4) The utility model discloses a discharge system suitable for flat bottom feed bin, be provided with a plurality of nozzles on the inside wall of toper unloading section, the nozzle links to each other with compressed air gas holder through the pipeline, wherein the nozzle sprays towards the slope of bottom discharge opening direction, can spray the material that accumulates on the inside wall of toper unloading section and blow into the discharge opening, prevents to take place the phenomenon of conglomeration piling up, reduces the clear storehouse work load; meanwhile, the materials accumulated on the surface of the scraper can be blown away, so that the discharging is smoother.
(5) The utility model discloses a system of unloading suitable for flat feed bin, the top of decompression awl extends the top position that surpasses the toper section of unloading, and is equipped with the one deck wearing layer on the lateral surface of decompression awl. Wherein the wearing layer is the higher wear-resisting steel sheet of coefficient of friction, can increase the frictional force on decompression awl surface to can increase the atress of material, make the material can realize whereabouts fast and flow.
Drawings
Fig. 1 is a schematic structural view of a discharging system suitable for a flat bottom bin according to the present invention;
fig. 2 is a schematic view of a discharge system for flat bottom storage bins according to the present invention.
The reference numbers in the figures are:
1. a storage bin; 11. a conical discharge section; 12. a discharge opening; 13. a bin bottom straight section; 2. a scraper unloader; 21. a decompression cone; 22. a scraper; 3. a belt conveyor; 4. and moving the discharging car.
Detailed Description
For a further understanding of the present invention, reference will be made to the following detailed description taken in conjunction with the accompanying drawings.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The present invention will be further described with reference to the following examples.
Example 1
Combine fig. 1 and fig. 2, the system of unloading suitable for flat bottom feed bin of this embodiment, be different from the conventional flat bottom of the storehouse, the bottom of the storehouse bottom of feed bin 1 in this embodiment encircles the even interval of circumference and is provided with a plurality of downwardly extending's toper section of unloading 11, toper section of unloading 11 is funnel type structure, and the bottom central point of toper section of unloading 11 puts and has seted up discharge opening 12, the funnel type structural design of toper section of unloading 11 makes the unloading more smooth and easy, and a plurality of toper section of unloading 11 not only can realize the multiple outlet, guarantee material "first-in first-out", material consolidation and jam scheduling problem have been solved. In this embodiment, be provided with scraper unloader 2 in the toper section of unloading 11, scraper unloader 2 is including extending to the inside decompression awl 21 of feed bin 1, and the below of decompression awl 21 is provided with scraper 22, and scraper 22 is located the top of discharge opening 12. The scraper unloader 2 can change the flow mode of bulk materials in the silo, and applies horizontal and vertical forces to the materials through the rotation of the decompression cone 21, so as to eliminate the phenomenon of 'central flow' frequently occurring in the silo in the past, so that the bulk materials in the silo can fall and flow, and meanwhile, the materials can be effectively scraped and unloaded by utilizing the rotary scraping mode of the scraper 22, so that the uniform unloading is realized, and the problem of material blockage is fundamentally solved.
Discharge opening 12's diameter size is about 4m in this embodiment, can effectively solve the little material consolidation and the jam scheduling problem that causes of disc discharge opening size, because the distance between discharge opening 12 and the below belt conveyor 3 should not be less than 4m, discharge opening 12 is big more, and the height of toper section then is little more to make the space grow that feed bin 1 can the storage, improved the space utilization of feed bin 1, and reduced the civil engineering cost of feed bin 1. Wherein the angle between the inner side wall of the conical discharge section 11 and the horizontal is in the range of 30-60 deg.. In particular, the angle between the inner side wall of the conical discharge section 11 and the horizontal in this embodiment is 30 °.
The toper section of unloading 11 is 4 in this embodiment, and the circumference contained angle between two adjacent toper sections of unloading 11 is 90, all disposes a scraper unloader 2 in every toper section of unloading 11, but scraper unloader 2 concurrent operation also can independent operation, can prevent effectively that the material from piling up. Wherein the below of scraper unloader 2 is provided with band conveyer 3, and the top of feed bin 1 is provided with removal dummy car 4, and scraper unloader 2 scrapes the material in the feed bin 1 to band conveyer 3 to be transported to next process by band conveyer 3.
In the embodiment, a plurality of nozzles are arranged on the inner side wall of the conical discharging section 11 and are connected with a compressed air storage tank through pipelines, and the nozzles obliquely blow towards the direction of the bottom discharging opening 12, so that materials accumulated on the inner side wall of the conical discharging section 11 can be blown into the discharging opening 12, the phenomenon of agglomeration and accumulation is prevented, and the work load of cleaning the bin is reduced; meanwhile, the material accumulated on the surface of the scraper 22 can be blown away, so that the discharging is smoother.
Example 2
The discharging system for flat bottom bunker in this embodiment is substantially the same as that in embodiment 1, and further, in this embodiment, the top of the decompression cone 21 extends beyond the top of the conical discharging section 11, and the outer side surface of the decompression cone 21 is provided with a wear-resistant layer. Wherein the wearing layer is the higher wear-resisting steel sheet of coefficient of friction, can increase the frictional force on decompression awl 21 surface to can increase the atress of material, make the material can realize whereabouts fast and flow.
The angle between the inner side wall of the conical discharge section 11 and the horizontal in this embodiment is 45.
Example 3
The system of unloading suitable for flat bottom feed bin of this embodiment, with embodiment 1 the same basically, further, be provided with multi-disc scraper 22 around circumference on the scraper unloader 2 in this embodiment, be equipped with the one deck wearing layer on the outside of scraper 22, can effectively improve the life of scraper 22, and the setting of multi-disc scraper 22 makes the scraping material more smooth and easy even.
The angle between the inner side wall of the conical discharge section 11 and the horizontal in this embodiment is 60.
The examples of the utility model are only right the utility model discloses a preferred embodiment describes, and not right the utility model discloses design and scope are injectd, do not deviate from the utility model discloses under the prerequisite of design idea, the field engineering technical personnel are right the utility model discloses a various deformation and improvement that technical scheme made all should fall into the protection scope of the utility model.
Claims (7)
1. The utility model provides a system of unloading suitable for flat bottom feed bin which characterized in that: a plurality of conical discharging sections (11) extending downwards are uniformly arranged at the bottom of the storage bin (1) at intervals around the circumferential direction, the conical discharging sections (11) are of funnel-shaped structures, and discharging openings (12) are formed in the center of the bottom of each conical discharging section (11); be provided with scraper unloader (2) in toper section of unloading (11), scraper unloader (2) are provided with scraper (22) including extending to the inside decompression awl (21) of feed bin (1) below of decompression awl (21), and scraper (22) are located the top of discharge opening (12).
2. The discharge system suitable for flat bottom bins according to claim 1, wherein: the included angle between the inner side wall of the conical discharging section (11) and the horizontal plane is 30-60 degrees.
3. The discharge system suitable for flat bottom bins according to claim 1, wherein: the conical discharging sections (11) are 4, and the circumferential included angle between every two adjacent conical discharging sections (11) is 90 degrees.
4. The discharge system suitable for flat bottom bins according to claim 1, wherein: the top of the decompression cone (21) extends to exceed the top position of the conical discharging section (11), and the outer side surface of the decompression cone (21) is provided with a wear-resistant layer.
5. The discharging system suitable for flat bottom bins according to claim 2, wherein: a belt conveyor (3) is arranged below the scraper unloader (2), and a movable unloader (4) is arranged above the storage bin (1).
6. The discharging system suitable for flat bottom bins according to claim 3, wherein: the inner side wall of the conical discharging section (11) is provided with a plurality of nozzles, and the nozzles are connected with a compressed air storage tank through pipelines.
7. The discharging system suitable for flat bottom bins according to claim 3, wherein: a plurality of scrapers (22) are arranged on the scraper unloader (2) in the circumferential direction, and a wear-resistant layer is arranged on the outer side of each scraper (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120434471.9U CN214567775U (en) | 2021-02-26 | 2021-02-26 | Unloading system suitable for flat-bottom storage bin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120434471.9U CN214567775U (en) | 2021-02-26 | 2021-02-26 | Unloading system suitable for flat-bottom storage bin |
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| Publication Number | Publication Date |
|---|---|
| CN214567775U true CN214567775U (en) | 2021-11-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120434471.9U Active CN214567775U (en) | 2021-02-26 | 2021-02-26 | Unloading system suitable for flat-bottom storage bin |
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| Country | Link |
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| CN (1) | CN214567775U (en) |
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2021
- 2021-02-26 CN CN202120434471.9U patent/CN214567775U/en active Active
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