CN218664275U - Automatic coal conveying device - Google Patents
Automatic coal conveying device Download PDFInfo
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- CN218664275U CN218664275U CN202222756723.7U CN202222756723U CN218664275U CN 218664275 U CN218664275 U CN 218664275U CN 202222756723 U CN202222756723 U CN 202222756723U CN 218664275 U CN218664275 U CN 218664275U
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Abstract
The invention discloses an automatic coal conveying device, which is applied to pulverized coal transportation and relates to the field of coal conveying equipment. The automatic coal conveying device provided by the invention can clean residual coal dust in the feeding pipeline, improve the quality of the coal dust and ensure smooth transportation of the coal dust.
Description
Technical Field
The utility model relates to a coal conveying equipment field especially relates to an automatic coal conveying device.
Background
Coal conveying equipment is the equipment that is used for carrying out the buggy that produces, the buggy that produces enters into coal conveying storehouse through charge-in pipeline earlier, the ejection of compact pipeline in rethread coal conveying storehouse carries away, because charge-in pipeline and ejection of compact pipeline are longer, especially under humid weather, the easy adhesion in charge-in pipeline and ejection of compact pipeline of buggy after weing, the pipeline diameter that leads to charge-in pipeline and ejection of compact pipeline reduces, influence the conveying efficiency of buggy, the time has long the buggy hardens in charge-in pipeline and ejection of compact pipeline, influence the production quality of buggy.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an automatic coal conveying device to solve the remaining problem of coal conveying equipment pipeline buggy among the prior art.
In order to solve the technical problem, the utility model adopts the following technical scheme:
an automatic coal conveying apparatus comprising:
the coal conveying bin is provided with a closed accommodating cavity;
the coal conveying bin is provided with a containing cavity, a coal conveying bin is arranged in the containing cavity, and a coal conveying bin is arranged in the containing cavity;
the sampling pipeline is connected with the feeding pipeline and communicated with external vacuumizing equipment, is arranged between the first feeding valve and the second feeding valve, and is provided with a sampling valve which controls whether the external vacuumizing equipment can pump coal powder in the feeding pipeline or not through the sampling pipeline;
and the discharge pipeline is communicated with the accommodating cavity and is used for conveying the pulverized coal in the accommodating cavity.
In the optional embodiment of this application, ejection of compact pipeline sets up in the bottom of defeated coal bunker, ejection of compact pipeline is provided with the air make-up ware, the air make-up ware is connected with the tonifying qi pipeline, the tonifying qi pipeline is used for connecting outside air supplement unit, the tonifying qi pipeline is provided with the tonifying qi valve of control tonifying qi pipeline switching.
In an alternative embodiment of the present application, the feeding pipe is disposed at the top of the coal transportation bunker, and the horizontal height of the feeding pipe gradually decreases along a direction approaching the coal transportation bunker.
In the optional embodiment of this application, defeated coal bunker top still is provided with the diffusion pipeline with the holding chamber intercommunication, the diffusion pipeline is provided with the valve of bleeding of control diffusion pipeline switching.
In an optional embodiment of the present application, a plurality of gravity sensors for detecting the gravity of the pulverized coal in the accommodating chamber are arranged at the lower part of the coal transporting bin.
In the optional embodiment of this application, ejection of compact pipeline is provided with safety valve and goes out the coal valve, safety valve is close to defeated coal bunker, the air make-up ware sets up between safety valve and ejection of compact valve.
In an optional embodiment of the application, a pressure conveying pipeline communicated with the accommodating cavity is arranged at the lower part of the coal conveying bin, the pressure conveying pipeline is provided with a pressure equalizing valve, and the pressure conveying pipeline is used for being connected with external pressure conveying equipment.
In the optional embodiment of this application, defeated coal bunker lower part is provided with the fluidization pipeline of intercommunication holding chamber, the fluidization pipeline is provided with the fluidization valve, the fluidization pipeline is used for connecting outside nitrogen source.
In the optional embodiment of this application, the top of defeated coal bunker sets up and holds the communicating relief line in chamber, relief line is provided with the relief valve, relief line and diffusion pipeline intercommunication, just relief line with the intercommunication height of diffusion valve is higher than the diffusion valve height.
In an optional embodiment of the present application, a pressure sensor for detecting the gas pressure of the coal transportation bin is arranged at the top of the coal transportation bin.
The automatic coal conveying device disclosed by the invention has the beneficial effects that: the first feeding valve and the second feeding valve are opened, the sampling valve is closed, the coal powder enters the coal conveying bin along the feeding pipeline, and the coal powder in the coal conveying bin is accumulated to a certain degree and then conveyed out through the discharging pipeline, so that the coal powder is conveyed. The coal dust can adhere to the inner wall of the feeding pipeline when passing through the feeding pipeline, and the coal dust is easy to harden in the feeding pipeline and affect the feeding of the coal dust for a long time. Close first feed valve and second feed valve, open the sample valve, drive outside evacuation equipment, the buggy of adhesion is followed the sample pipeline and is sucked out in the charge-in pipeline, effectively clears up the buggy of adhesion in the charge-in pipeline, avoids the buggy to link the product quality decline that leads to in the charge-in pipeline, keeps the charge-in pipeline unblocked simultaneously, ensures buggy feeding efficiency.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an automatic coal conveying apparatus according to the present invention.
Reference numerals: 100. an automatic coal conveying device; 10. a coal conveying bin; 11. an accommodating cavity; 12. a gravity sensor; 13. a pressure sensor; 20. a feed conduit; 21. a first feed valve; 22. a second feed valve; 30. a discharge pipeline; 31. a safety valve; 32. a coal conveying valve; 40. a sampling pipe; 41. a sampling valve; 50. a blow-off line; 51. a bleeding valve; 60. a fluidization conduit; 61. a fluidization valve; 70. a pressure delivery pipeline; 71. a pressure equalizing valve; 80. a gas supply pipeline; 81. a gas supply valve; 82. a gas supply device; 90. a pressure reducing conduit; 91. a pressure relief valve.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", 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, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
The terms "first", "second" and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, features defined as "first", "second", "third" may explicitly or implicitly include one or more of the features.
In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "communicate," "mount," "connect," and "connect" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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.
Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the examples set forth herein; rather, these example embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The drawings are merely schematic illustrations of the present disclosure and are not necessarily drawn to scale. The same reference numerals in the drawings denote the same or similar parts, and thus their repetitive description will be omitted.
The preferred embodiments of the present disclosure are further described in detail below with reference to fig. 1 of the present specification.
Referring to fig. 1, an automatic coal conveying apparatus 100 according to an embodiment of the present application is provided, and the automatic coal conveying apparatus 100 according to the embodiment of the present application can be applied to a conveying operation of pulverized coal. The buggy gets into defeated coal bunker 10 from charge-in pipeline 20, carry out through ejection of compact pipeline 30 after gathering in the defeated coal bunker 10, accomplish the transport of buggy, at this in-process, the outside evacuation equipment of connecting through sampling pipe 40 evacuates charge-in pipeline 20, remaining buggy is sucked by evacuation equipment in charge-in pipeline 20, the unblocked of charge-in pipeline 20 has been ensured, and avoid buggy to harden in charge-in pipeline 20, especially the coal powder hardens at charge-in pipeline 20 under humid environment, the product quality of buggy has effectively been promoted.
Referring to fig. 1, in the embodiment of the present application, an automatic coal conveying apparatus 100 includes:
the coal conveying bin 10 is provided with a closed accommodating cavity 11, and the accommodating cavity 11 is used for accommodating coal powder.
The feeding pipeline 20 is communicated with the accommodating cavity 11 and used for allowing pulverized coal to enter the accommodating cavity 11, a first feeding valve 21 and a second feeding valve 22 are sequentially arranged in the direction close to the coal conveying bin 10, the first feeding valve 21 and the second feeding valve 22 are used for controlling whether the pulverized coal can enter the accommodating cavity 11 through the feeding pipeline 20 or not, the first feeding valve 21 and the second feeding valve 22 are arranged at two ends of the feeding pipeline 20, and the first feeding valve 21 and the second feeding valve 22 are used for controlling the smoothness and the closing of the feeding pipeline 20.
Sampling pipe 40 connects charge-in pipeline 20 intercommunication and outside evacuation equipment, sets up between first feed valve 21 and second feed valve 22, sets up sampling valve 41, and sampling valve 41 controls outside evacuation equipment whether can extract the interior buggy of charge-in pipeline 20 through sampling pipe 40. Sampling pipe 40 makes outside evacuation equipment and charge-in pipeline 20 communicate to sampling pipe 40's junction sets up between first feed valve 21 and second feed valve 22, and when sampling pipe 40's sampling valve 41 was opened, closed first feed valve 21 and second feed valve 22, through the remaining buggy suction in outside evacuation equipment will charge-in pipeline 20, keeps charge-in pipeline 20's clean, avoids the buggy to become bad in charge-in pipeline 20 inner plate knot.
And the discharge pipeline 30 is communicated with the accommodating cavity 11 and is used for conveying the pulverized coal in the accommodating cavity 11.
The discharging pipeline 30 is arranged at the bottom of the coal conveying bin 10, the discharging pipeline 30 is provided with an air supply device 82, the air supply device 82 is connected with an air supply pipeline 80, the air supply pipeline 80 is used for being connected with an external air supply device, and the air supply pipeline 80 is provided with an air supply valve 81 for controlling the air supply pipeline 80 to open and close. The pulverized coal can enter the discharging pipeline 30 under the action of self gravity, the external air supply device supplies power gas to the air supply device 82 through the air supply pipeline 80, and the air supply device 82 continuously supplies power to the pulverized coal output in the discharging pipeline 30.
The feeding pipeline 20 is arranged at the top of the coal conveying bin 10, and the horizontal height of the feeding pipeline 20 gradually decreases along the direction close to the coal conveying bin 10. The coal powder falls into the coal conveying bin 10 from the feeding pipeline 20 under the action of self gravity, so that the power loss in the coal powder conveying process is reduced.
The top of the coal conveying bin 10 is further provided with a diffusing pipeline 50 communicated with the accommodating cavity 11, and the diffusing pipeline 50 is provided with a diffusing valve 51 for controlling the opening and closing of the diffusing pipeline 50. The bleeding valve 51, the first feeding valve 21 and the second feeding valve 22 are opened, when the sampling valve 41 is closed, the coal conveying bin 10 forms openings at two ends of the feeding pipeline 20 and the bleeding pipeline 50, after the coal powder enters, the air in the coal conveying bin 10 is pressed out through the bleeding valve 51, so that the atmospheric pressure in the coal conveying bin 10 and the atmospheric pressure outside the device are kept balanced, the coal powder can smoothly enter the coal conveying bin 10 through the feeding pipeline 20, and the phenomenon that the atmospheric pressure of the coal conveying bin 10 excessively hinders the coal powder from entering is avoided.
The lower part of the coal conveying bin 10 is provided with a plurality of gravity sensors 12 for detecting the gravity of the coal powder in the accommodating cavity 11. The gravity sensors 12 are uniformly distributed at the lower part of the coal conveying bin 10 in a triangular shape. The gravity sensor 12 is used for detecting the weight of the pulverized coal in the coal conveying bin 10, and when the weight of the pulverized coal in the coal conveying bin 10 reaches a preset value, the first feeding valve 21 and the second feeding valve 22 are closed, and the pulverized coal is conveyed out through the discharging pipeline 30.
The discharge pipeline 30 is provided with a safety valve 31 and a coal outlet valve, the safety valve 31 is close to the coal conveying bin 10, and the air supply device 82 is arranged between the safety valve 31 and the discharge valve. The safety valve 31 and the discharge valve are used for controlling the closing or opening of the discharge pipeline 30.
The lower part of the coal conveying bin 10 is provided with a pressure conveying pipeline 70 communicated with the accommodating cavity 11, the pressure conveying pipeline 70 is provided with a pressure equalizing valve 71, and the pressure conveying pipeline 70 is used for being connected with external pressure conveying equipment. When the pulverized coal is conveyed, the first feeding valve 21 and the second feeding valve 22 are closed, the diffusing valve 51 is closed, the pressure equalizing valve 71 is opened, the external pressure conveying equipment applies pressure to the pulverized coal in the coal conveying bin 10, the safety valve 31 and the coal conveying valve 32 are opened, the pulverized coal is output along the discharging pipeline 30 under the action of the external pressure conveying equipment, the pressure of the middle and rear sections is weakened due to the fact that the pressure conveying pipeline 70 is long, the air replenishing valve 81 is opened through opening, the external air replenishing device supplies air to the air replenishing device 82, a new power source is provided, the pressure of the middle and rear ends of the pressure conveying pipeline 70 is enhanced, the pulverized coal conveying purpose is achieved, and meanwhile residual hardening of the pulverized coal in the discharging pipeline 30 is effectively reduced.
The lower part of the coal conveying bin 10 is provided with a fluidization pipeline 60 communicated with the accommodating cavity 11, the fluidization pipeline 60 is provided with a fluidization valve 61, and the fluidization pipeline 60 is used for connecting an external nitrogen source. When the coal powder in the coal conveying bin 10 is accumulated to the preset gravity, before the coal powder is conveyed, the fluidization valve 61 is opened, an external nitrogen source inputs nitrogen into the coal conveying bin 10 through the fluidization pipeline 60, and the coal powder is fluidized through the nitrogen, so that the coal powder is conveniently conveyed.
The top of the coal conveying bin 10 is provided with a pressure reducing pipeline 90 communicated with the accommodating cavity 11, the pressure reducing pipeline 90 is provided with a pressure reducing valve 91, the pressure reducing pipeline 90 is communicated with the diffusing pipeline 50, and the communicating height of the pressure reducing pipeline 90 and the diffusing valve 51 is higher than that of the diffusing valve 51. When the pulverized coal is conveyed out of the coal conveying bin 10, the external pressure conveying equipment is used for pressurizing the coal conveying bin 10, and when the gravity of the pulverized coal in the coal conveying bin 10 is low, the pressure in the coal conveying bin 10 is reduced by opening the pressure reducing valve 91, so that the pulverized coal can conveniently enter the coal conveying bin 10 from the feeding pipeline 20.
The top of the coal conveying bin 10 is provided with a pressure sensor 13 for detecting the gas pressure of the coal conveying bin 10. The pressure sensor 13 detects the pressure in the coal conveying bin 10 in real time, so that the pressure balance in the coal conveying bin 10 is better controlled by controlling the pressure equalizing valve 71, the bleeding valve 51 and the pressure reducing valve 91.
When the coal conveying bin 10 feeds, the first feeding valve 21, the second feeding valve 22 and the diffusing valve 51 are opened, and other valves are closed, so that the coal powder enters the coal conveying bin 10 through the feeding pipeline 20, the weight of the coal powder is detected through the gravity sensor 12, when the weight of the coal powder reaches a preset value, the first feeding valve 21, the second feeding valve 22 and the diffusing valve 51 are closed, the sampling valve 41 is opened, and the residual coal powder in the feeding pipeline 20 is extracted, so that the residual hardening of the coal powder in the feeding pipeline 20 is avoided.
When the coal conveying bin 10 discharges, the fluidization valve 61 is opened firstly, the pulverized coal is fluidized, the pressure equalizing valve 71 is opened again, the coal conveying bin 10 is pressurized through the external pressure conveying equipment, the pressure inside the coal conveying bin 10 is detected through the pressure sensor 13, when the preset value is reached, the safety valve 31 and the coal conveying valve 32 are opened, the pulverized coal is conveyed out along the discharging pipeline 30 under the action of air pressure, the air supplementing valve 81 is opened, the external air supplementing device conveys power gas to the air supplementing device 82, the discharging pipeline 30 is continuously under the action of air pressure, the pulverized coal in the discharging pipeline 30 is effectively cleaned, and the pulverized coal is prevented from hardening in the discharging pipeline 30.
When the coal conveying bin 10 finishes conveying the coal powder, and the gravity sensor 12 detects that the weight in the coal conveying bin 10 reaches the preset feeding value, the safety valve 31, the coal conveying valve 32, the air make-up valve 81, the fluidization valve 61 and the pressure equalizing valve 71 are closed, and the pressure reducing valve 91 is opened, so that the pressure in the coal conveying bin 10 reaches the preset feeding value.
In summary, the first feeding valve 21 and the second feeding valve 22 are opened, the sampling valve 41 is closed, the pulverized coal enters the coal conveying bin 10 along the feeding pipeline 20, and the pulverized coal in the coal conveying bin 10 is accumulated to a certain degree and then conveyed out through the discharging pipeline 30, so that the transportation of the pulverized coal is realized. The pulverized coal can be adhered to the inner wall of the feeding pipeline 20 when passing through the feeding pipeline 20, and the pulverized coal is easy to harden in the feeding pipeline 20 and affect the feeding of the pulverized coal after a long time. The first feeding valve 21 and the second feeding valve 22 are closed, the sampling valve 41 is opened, external vacuumizing equipment is driven, the coal dust adhered to the interior of the feeding pipeline 20 is sucked out along the sampling pipeline 40, the coal dust adhered to the interior of the feeding pipeline 20 is effectively cleaned, the product quality reduction caused by the plate junction of the coal dust in the feeding pipeline 20 is avoided, meanwhile, the feeding pipeline 20 is kept smooth, and the coal dust feeding efficiency is guaranteed.
In the foregoing description of embodiments, the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.
While the present disclosure has been described with reference to several exemplary embodiments, it is understood that the terminology used is intended to be in the nature of words of description and illustration, rather than of limitation. As the present disclosure may be embodied in several forms without departing from the spirit or essential characteristics thereof, it should also be understood that the above-described embodiments are not limited by any of the details of the foregoing description, but rather should be construed broadly within its spirit and scope as defined in the appended claims, and therefore all changes and modifications that fall within the meets and bounds of the claims, or equivalences of such meets and bounds are therefore intended to be embraced by the appended claims.
Claims (10)
1. An automatic coal conveying apparatus, comprising:
the coal conveying bin is provided with a closed accommodating cavity;
the coal conveying bin is provided with a containing cavity, a coal conveying bin is arranged in the containing cavity, and a coal conveying bin is arranged in the containing cavity;
the sampling pipeline is connected with the feeding pipeline and communicated with external vacuumizing equipment, is arranged between the first feeding valve and the second feeding valve, and is provided with a sampling valve which controls whether the external vacuumizing equipment can pump coal powder in the feeding pipeline or not through the sampling pipeline;
and the discharge pipeline is communicated with the accommodating cavity and is used for conveying the pulverized coal in the accommodating cavity.
2. The automatic coal conveying device of claim 1, wherein the discharge pipeline is arranged at the bottom of the coal conveying bunker, the discharge pipeline is provided with a gas supplementing device, the gas supplementing device is connected with a gas supplementing pipeline, the gas supplementing pipeline is used for being connected with an external gas supplementing device, and the gas supplementing pipeline is provided with a gas supplementing valve for controlling the gas supplementing pipeline to be opened and closed.
3. The automatic coal conveying device of claim 2, wherein the feeding pipe is disposed at the top of the coal conveying bunker, and the level of the feeding pipe is gradually reduced in a direction approaching the coal conveying bunker.
4. The automatic coal conveying device as claimed in claim 3, wherein a bleeding pipeline communicated with the accommodating cavity is further arranged at the top of the coal conveying bin, and the bleeding pipeline is provided with a bleeding valve for controlling the opening and closing of the bleeding pipeline.
5. The automatic coal conveying device of claim 4, wherein a plurality of gravity sensors for detecting the gravity of the pulverized coal in the accommodating cavity are arranged at the lower part of the coal conveying bin.
6. The automatic coal conveying device of claim 4, wherein the discharge pipeline is provided with a safety valve and a coal discharge valve, the safety valve is close to the coal conveying bin, and the air supply device is arranged between the safety valve and the discharge valve.
7. The automatic coal conveying device according to claim 6, wherein a pressure conveying pipeline communicated with the accommodating cavity is arranged at the lower part of the coal conveying bin, the pressure conveying pipeline is provided with a pressure equalizing valve, and the pressure conveying pipeline is used for being connected with external pressure conveying equipment.
8. The automatic coal conveying device of claim 7, wherein a fluidizing pipe communicated with the accommodating cavity is arranged at the lower part of the coal conveying bin, the fluidizing pipe is provided with a fluidizing valve, and the fluidizing pipe is used for being connected with an external nitrogen source.
9. The automatic coal conveying device as claimed in claim 7, wherein a pressure reducing pipe communicated with the accommodating cavity is arranged at the top of the coal conveying bin, the pressure reducing pipe is provided with a pressure reducing valve, the pressure reducing pipe is communicated with a bleeding pipe, and the communication height of the pressure reducing pipe and the bleeding valve is higher than the height of the bleeding valve.
10. The automatic coal conveying device of claim 7, wherein the top of the coal conveying bin is provided with a pressure sensor for detecting the gas pressure of the coal conveying bin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222756723.7U CN218664275U (en) | 2022-10-19 | 2022-10-19 | Automatic coal conveying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222756723.7U CN218664275U (en) | 2022-10-19 | 2022-10-19 | Automatic coal conveying device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218664275U true CN218664275U (en) | 2023-03-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222756723.7U Active CN218664275U (en) | 2022-10-19 | 2022-10-19 | Automatic coal conveying device |
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| CN (1) | CN218664275U (en) |
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- 2022-10-19 CN CN202222756723.7U patent/CN218664275U/en active Active
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