CN117645088A - Coal blending tank capable of stabilizing blanking and blanking method - Google Patents
Coal blending tank capable of stabilizing blanking and blanking method Download PDFInfo
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- CN117645088A CN117645088A CN202311279511.7A CN202311279511A CN117645088A CN 117645088 A CN117645088 A CN 117645088A CN 202311279511 A CN202311279511 A CN 202311279511A CN 117645088 A CN117645088 A CN 117645088A
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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
- B65G11/00—Chutes
- B65G11/20—Auxiliary devices, e.g. for deflecting, controlling speed of, or agitating articles or solids
- B65G11/206—Auxiliary devices, e.g. for deflecting, controlling speed of, or agitating articles or solids for bulk
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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
- B65G29/00—Rotary conveyors, e.g. rotating discs, arms, star-wheels or cones
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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
- B65G43/00—Control devices, e.g. for safety, warning or fault-correcting
- B65G43/08—Control devices operated by article or material being fed, conveyed or discharged
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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
- B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
- B65G47/34—Devices for discharging articles or materials from conveyor
- B65G47/44—Arrangements or applications of hoppers or chutes
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)
Abstract
本申请提供一种稳定下料的配煤槽及下料方法，涉及煤料输送技术领域，包括从上往下依次连通设置的送料管道、过渡管道与下料管道，所述过渡管道上设置有清堵机构，所述下料管道的下方设置有圆盘给料机构，所述下料管道的底部活动设置有套筒，所述圆盘给料机构的出料端设置有运输机构，所述运输机构上设置有核子秤计量机构；通过设置清堵机构可避免煤料粘结起拱而引起堵塞，清理效果佳，确保配煤槽下料顺畅，而且大大降低了工作人员的劳动强度和安全隐患；通过设置核子秤计量机构可对运输机构上的煤料重量进行测量计算，通过调节下料量以获得目标煤料转运量，配煤槽下料均匀稳定，便于工作人员根据实际使用需求控制下料量以提高配煤准确度。
This application provides a coal blending tank and a feeding method for stable feeding, and relates to the technical field of coal transportation. It includes a feeding pipe, a transition pipe and a feeding pipe connected in sequence from top to bottom. The transition pipe is provided with Clearing mechanism, a disc feeding mechanism is provided below the unloading pipe, a sleeve is movable at the bottom of the unloading pipe, and a transport mechanism is provided at the discharge end of the disc feeding mechanism. The transportation mechanism is equipped with a nuclear scale measuring mechanism; by setting up a blocking mechanism, it can avoid clogging caused by coal sticking and arching, and the cleaning effect is good, ensuring smooth loading of the coal blending trough, and greatly reducing the labor intensity and safety of the staff. Hidden danger; by setting up a nuclear scale measuring mechanism, the weight of coal on the transport mechanism can be measured and calculated, and the target coal transfer volume can be obtained by adjusting the unloading amount. The unloading of the coal blending trough is even and stable, which is convenient for staff to control according to actual use needs. Cutting amount to improve coal blending accuracy.
Description
Technical Field
The application relates to the technical field of coal conveying, in particular to a coal blending tank for stabilizing blanking and a blanking method.
Background
In metallurgical enterprises, coal is transported by using a coal blending groove, the upper part of the coal blending groove is of a cylindrical concrete structure, the lower part of the coal blending groove is of a hyperbolic steel cone hopper structure, and the coal blending groove is connected with a disc feeder downwards, and the disc feeder adopts a side discharging mode to convey coal to a side belt conveyor; at present, coal blockage occurs frequently in coking coal and lean coal blending tanks, particularly in overcast and rainy days and under the conditions of fine coal granularity and high water content, the coal blockage is more serious, the coal blockage position is within the range of about 3 meters above the disc feeder, and the disc feeder and a belt idle due to small material breaking or discharging amount cannot meet the production and blending requirements; in order to solve the problem of coal blockage, manual poking and tamping are often needed to clear the blockage, time and labor are wasted, the cleaning effect is poor, and a large potential safety hazard exists.
Disclosure of Invention
An aim of the embodiment of the application is to provide a coal blending tank and a discharging method for stable discharging, which can solve the technical problems that the coal plugging phenomenon often occurs in the conventional cleaning mode and the effect is poor.
The embodiment of the application provides a coal blending tank capable of stabilizing blanking, which comprises a feeding pipeline, a transition pipeline and a blanking pipeline, wherein the feeding pipeline, the transition pipeline and the blanking pipeline are sequentially communicated from top to bottom, a blocking clearing mechanism is arranged on the transition pipeline, a disc feeding mechanism is arranged below the blanking pipeline, a sleeve is movably arranged at the bottom of the blanking pipeline, a conveying mechanism is arranged at the discharge end of the disc feeding mechanism, and a nucleon balance metering mechanism is arranged on the conveying mechanism;
the blocking removing mechanism comprises a first driving assembly, a gear, a first gear ring and a scraper, wherein an installation groove is formed in the outer side of the transition pipeline in a communicating manner, the gear and the first gear ring are arranged in the installation groove, the first driving assembly is used for driving the gear to rotate, the gear is meshed with the first gear ring and connected, the scraper is fixedly arranged on the first gear ring, and the scraper is abutted against the inner wall of the transition pipeline;
the disc feeding mechanism comprises a second driving assembly, a receiving groove, a rotary disc and a material guide plate, wherein the receiving groove is fixedly arranged below the discharging pipeline, the rotary disc is arranged in the receiving groove, the second driving assembly is used for driving the rotary disc to rotate, a material outlet is formed in the receiving groove, and the material guide plate is used for adjusting the size of the material outlet.
The conveying mechanism comprises a third driving motor, a driving roller, a driven roller and a belt, wherein the third driving motor drives the driving roller to rotate, the belt is arranged below the discharge hole, and the belt is sleeved on the driving roller and the driven roller.
The nuclear scale metering mechanism comprises a radioactive source, an ionization chamber, a velometer and a controller, wherein the radioactive source is arranged above the belt, the ionization chamber is arranged right below the radioactive source, the belt penetrates through the radioactive source and the ionization chamber, the velometer is electrically connected with the driving roller, and the radioactive source, the ionization chamber and the velometer are electrically connected with the controller respectively.
The material guide plate is rotationally connected with the discharge hole, a first limit column is fixedly arranged at the upper end of the material guide plate, a second limit column is fixedly arranged at the upper end of the material receiving groove, a limit plate is arranged between the first limit column and the second limit column, a plurality of limit holes are formed in the limit plate, and the first limit column and the second limit column can be in plug connection with the limit holes respectively.
The first driving assembly comprises a first driving motor and a first speed reducer, the first driving motor is connected with the first speed reducer, and the first driving motor drives the gear to rotate;
the second driving assembly comprises a second driving motor, a second speed reducer, a bevel gear and a second gear ring, wherein the second gear ring is fixedly arranged at the lower end of the rotary table, the second driving motor is connected with the second speed reducer, the second driving motor drives the bevel gear to rotate, and the bevel gear is meshed with the second gear ring.
Wherein the sleeve is in threaded connection with the outer side of the discharging pipeline.
The mounting groove is internally provided with an annular sliding groove, the lower end of the first gear ring is fixedly provided with a sliding block, and the sliding block is in sliding connection with the annular sliding groove.
Wherein, be provided with the guide hopper on the discharge gate.
The disc feeding mechanism further comprises a first bracket, and the first bracket is fixedly arranged on the outer side of the receiving groove;
the conveying mechanism further comprises a second bracket, the driving roller and the driven roller are respectively and rotatably arranged on the second bracket, and the ionization chamber is fixedly arranged on the second bracket;
the nucleon balance metering mechanism further comprises a third bracket fixedly arranged between the ionization chamber and the radioactive source.
The embodiment of the application also provides a method for stabilizing the blanking of the coal blending tank, which comprises the following steps:
s1, coal sequentially passes through a feeding pipeline, a transition pipeline and a blanking pipeline, then falls onto a disc feeding mechanism, and then falls onto a conveying mechanism to finish coal transfer;
s2, measuring and calculating the weight of the coal on the conveying mechanism by arranging a nucleon balance metering mechanism;
s3, in order to obtain the target coal transportation amount, the blanking amount can be adjusted by the following modes: 1. the distance between the lower end of the sleeve and the disc receiving mechanism is adjusted up and down; 2. the rotating speed of the disc receiving mechanism is regulated through the second driving component so as to change the discharging speed of the coal from the receiving groove; 3. the size of the discharge hole is regulated through the material guide plate;
s4, when the blockage occurs, the gear is driven to rotate by the first driving assembly, the gear drives the first gear ring to rotate, the first gear ring drives the scraper to rotate, the scraper makes relative rotary cutting movement along the inner wall of the transition pipeline around the central line of the transition pipeline, and the coal attached to the inner wall of the transition pipeline is scraped and cleaned; if no blockage occurs, the blockage removing mechanism is not used.
The invention has the beneficial effects that:
according to the coal blending tank and the discharging method for stable discharging, when the coal blending tank is used, coal sequentially passes through the feeding pipeline, the transition pipeline and the discharging pipeline, then falls to the disc feeding mechanism, and then falls to the conveying mechanism to finish coal transferring; the transition pipeline is an easy-to-block section, the gear is driven to rotate through the first driving assembly, the gear drives the first gear ring to rotate, the first gear ring drives the scraper to rotate, the scraper bypasses the center line of the transition pipeline along the inner wall of the transition pipeline to do relative rotary-cut movement, and the coal attached to the inner wall of the transition pipeline is scraped and cleaned, so that the blocking caused by the caking and arching of the coal is avoided, the cleaning effect is good, the smooth discharging of the coal distribution tank is ensured, and the labor intensity and the potential safety hazard of workers are greatly reduced.
The weight of the coal on the conveying mechanism can be measured and calculated by arranging the nucleon balance metering mechanism, and the blanking amount can be adjusted in the following way to obtain the target coal transportation amount: 1. the distance between the lower end of the sleeve and the disc receiving mechanism is adjusted up and down; 2. the rotating speed of the disc receiving mechanism is regulated through the second driving component so as to change the discharging speed of the coal from the receiving groove; 3. the size of the discharge hole is regulated through the material guide plate; the coal blending tank is uniform and stable in blanking, and a worker can conveniently control the blanking amount according to actual use requirements so as to improve the accuracy of coal blending.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered limiting the scope, and that other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the overall structure of some embodiments of the present application;
FIG. 2 is a schematic cross-sectional view of some embodiments of the present application;
FIG. 3 is a schematic view of a partial structure of a blocking removal mechanism according to some embodiments of the present application;
FIG. 4 is a schematic partial structural view of a disk feed mechanism in some embodiments of the present application;
FIG. 5 is a schematic top view of a receiving trough in some embodiments of the present application;
FIG. 6 is a partial schematic view of a transport mechanism in some embodiments of the present application;
FIG. 7 is a schematic view of a connection structure between a radiation source and an ionization chamber according to some embodiments of the present application;
FIG. 8 is an enlarged schematic view of the structure of FIG. 5B;
fig. 9 is an enlarged schematic view of the structure shown in fig. 3A.
The reference numerals are respectively:
1. a feed pipe;
2. a transition duct; 21. a mounting groove; 22. an annular chute;
3. a blanking pipeline; 31. a sleeve;
4. the blockage removing mechanism; 41. a first drive assembly; 41a, a first driving motor; 41b, a first decelerator; 42. a gear; 43. a first ring gear; 44. a scraper; 45. a slide block;
5. a disc feeding mechanism; 51. a second drive assembly; 51a, a second driving motor; 51b, a second speed reducer; 51c, bevel gears; 51d, a second ring gear; 52. a receiving groove; 53. a turntable; 54. a material guide plate; 55. a discharge port; 56. a first limit post; 57. the second limit column; 58. a limiting plate; 59. a limiting hole; 510. a guide hopper; 511. a first bracket;
6. a transport mechanism; 61. a third driving motor; 62. a driving roller; 63. driven roller; 64. a belt; 65. a second bracket;
7. a nucleon balance metering mechanism; 71. a radiation source; 72. an ionization chamber; 73. a velometer; 74. a controller; 75. and a third bracket.
Detailed Description
For the purposes of making the objects, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, which are generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present application, as provided in the accompanying drawings, is not intended to limit the scope of the application, as claimed, but is merely representative of selected embodiments of the application. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, are intended to be within the scope of the present application.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the present application, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships that are conventionally put in use of the product of the application, are merely for convenience of description of the present application and simplification of description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be configured and operated in a specific direction, and therefore should not be construed as limiting the present application. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal," "vertical," "overhang," and the like do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present application, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art in a specific context.
As shown in fig. 1 to 5, the embodiment of the application provides a coal blending tank capable of stabilizing blanking, which comprises a feeding pipeline 1, a transition pipeline 2 and a blanking pipeline 3 which are sequentially communicated from top to bottom, wherein a blockage removing mechanism 4 is arranged on the transition pipeline 2, a disc feeding mechanism 5 is arranged below the blanking pipeline 3, a sleeve 31 is movably arranged at the bottom of the blanking pipeline 3, a conveying mechanism 6 is arranged at the discharge end of the disc feeding mechanism 5, and a nucleon weighing mechanism 7 is arranged on the conveying mechanism 6;
the blockage removing mechanism 4 comprises a first driving assembly 41, a gear 42, a first gear ring 43 and a scraper 44, wherein an installation groove 21 is formed in the outer side of the transition pipeline 2 in a communicated mode, the gear 42 and the first gear ring 43 are arranged in the installation groove 21, the first driving assembly 41 is used for driving the gear 42 to rotate, the gear 42 is in meshed connection with the first gear ring 43, the scraper 44 is fixedly arranged on the first gear ring 43, and the scraper 44 is in butt joint with the inner wall of the transition pipeline 2;
the disc feeding mechanism 5 comprises a second driving assembly 51, a receiving groove 52, a rotary disc 53 and a guide plate 54, wherein the receiving groove 52 is fixedly arranged below the discharging pipeline 3, the rotary disc 53 is arranged in the receiving groove 52, the second driving assembly 51 is used for driving the rotary disc 53 to rotate, a discharge hole 55 is formed in the receiving groove 52, and the guide plate 54 is used for adjusting the size of the discharge hole 55.
When in use, the coal material sequentially passes through the feeding pipeline 1, the transition pipeline 2 and the discharging pipeline 3, then falls into the disc feeding mechanism 5 and then falls onto the conveying mechanism 6 to finish coal material transfer; the transition pipeline 2 is an easy-to-block section, the gear 42 is driven to rotate through the first driving component 41, the gear 42 drives the first gear ring 43 to rotate, the first gear ring 43 drives the scraper 44 to rotate, the scraper 44 bypasses the center line of the transition pipeline 2 along the inner wall of the transition pipeline 2 to do relative rotary-cut movement, and the coal attached to the inner wall of the transition pipeline 2 is scraped and cleaned, so that the blockage caused by the bonding arching of the coal is avoided, the cleaning effect is good, the smooth discharging of the coal distribution tank is ensured, and the labor intensity and the potential safety hazard of workers are greatly reduced.
The weight of the coal on the conveying mechanism 6 can be measured and calculated by arranging the nucleon balance metering mechanism 7, and the blanking amount can be adjusted in the following way to obtain the target coal conveying amount: 1. the distance between the lower end of the upper and lower adjusting sleeve 31 and the disc receiving mechanism; 2. the rotating speed of the disc receiving mechanism is regulated through the second driving component 51 so as to change the discharging speed of the coal from the receiving groove 52; 3. the size of the discharge hole 55 is regulated by the material guide plate 54; the coal blending tank is uniform and stable in blanking, and a worker can conveniently control the blanking amount according to actual use requirements so as to improve the accuracy of coal blending.
As shown in fig. 4 and 6, in this embodiment, the transporting mechanism 6 includes a third driving motor 61, a driving roller 62, a driven roller 63, and a belt 64, where the third driving motor 61 drives the driving roller 62 to rotate, the belt 64 is disposed below the discharge hole 55, and the belt 64 is in transmission sleeved on the driving roller 62 and the driven roller 63.
When the coal conveyor is used, the third driving motor 61 is started to drive the driving roller 62 to rotate, the driving roller 62 drives the belt 64 to rotate, the belt 64 synchronously drives the driven roller 63 to rotate, the driven roller 63 supports the belt 64, and the belt 64 can transport the coal.
As shown in fig. 6 and 7, in this embodiment, the nucleon balance metering mechanism 7 includes a radiation source 71, an ionization chamber 72, a velometer 73 and a controller 74, wherein the radiation source 71 is disposed above the belt 64, the ionization chamber 72 is disposed under the radiation source 71, the belt 64 passes between the radiation source 71 and the ionization chamber 72, the velometer 73 is electrically connected with the driving roller 62, and the radiation source 71, the ionization chamber 72 and the velometer 73 are electrically connected with the controller 74.
In use, the source emits gamma rays through the coal, the ionization chamber 72 receives and measures the degree of radiation attenuation, the tachometer 73 measures the rotational speed of the drive roller 62 and transmits the data to the controller 74, which calculates the weight of the coal transported on the belt 64.
In this embodiment, as shown in fig. 5 and 8, the material guiding plate 54 is rotatably connected with the material outlet 55, a first limiting post 56 is fixedly disposed at the upper end of the material guiding plate 54, a second limiting post 57 is fixedly disposed at the upper end of the material receiving slot 52, a limiting plate 58 is disposed between the first limiting post 56 and the second limiting post 57, a plurality of limiting holes 59 are formed in the limiting plate 58, and the first limiting post 56 and the second limiting post 57 are respectively in plug-in fit with the limiting holes 59.
When the guide plate 54 is rotated to adjust the discharge hole 55 to a proper size, the first limit post 56 and the second limit post 57 are inserted into the limit hole 59, and the position of the guide plate 54 can be fixed by the limit plate 58.
As shown in fig. 3 and 4, in this embodiment, the first driving assembly 41 includes a first driving motor 41a and a first speed reducer 41b, the first driving motor 41a is connected to the first speed reducer 41b, and the first driving motor 41a drives the gear 42 to rotate;
the second driving assembly 51 comprises a second driving motor 51a, a second speed reducer 51b, a bevel gear 51c and a second gear ring 51d, the second gear ring 51d is fixedly arranged at the lower end of the turntable 53, the second driving motor 51a is connected with the second speed reducer 51b, the second driving motor 51a drives the bevel gear 51c to rotate, and the bevel gear 51c is in meshed connection with the second gear ring 51 d.
When in use, the first driving motor 41a is started to drive the gear 42 to rotate through the first speed reducer 41b, the gear 42 drives the first gear ring 43 to rotate, and the first gear ring 43 drives the scraper 44 to rotate; the second driving motor 51a is started to drive the bevel gear 51c to rotate through the second speed reducer 51b, the bevel gear 51c drives the second gear ring 51d to rotate, the second gear ring 51d drives the rotary table 53 to rotate, coal falls onto the rotary table 53 from the blanking pipeline 3, the coal moves around the receiving groove 52 under the action of centrifugal force generated by rotation of the rotary table 53, and then is discharged from the discharge hole 55 to fall onto the belt 64 under the guidance of the guide plate 54.
In this embodiment, the sleeve 31 is screwed with the outer side of the discharging pipe 3; the distance between the lower end of the sleeve 31 and the turntable 53 can be adjusted up and down by rotating the sleeve 31.
In this embodiment, as shown in fig. 3 and 9, an annular chute 22 is formed in the mounting groove 21, a slider 45 is fixedly disposed at the lower end of the first gear ring 43, and the slider 45 is slidably connected with the annular chute 22; the cooperation of the sliding block 45 and the annular sliding groove 22 makes the first gear ring 43 more stable and smooth in rotation, and improves the use stability.
In this embodiment, as shown in fig. 4, the discharge port 55 is provided with a guide hopper 510; the guide hopper 510 allows the coal discharged from the discharge port 55 to fall accurately onto the belt 64.
As shown in fig. 4 and 6, in this embodiment, the disc feeding mechanism 5 further includes a first bracket 511, where the first bracket 511 is fixedly disposed outside the receiving slot 52;
the transport mechanism 6 further includes a second bracket 65, the driving roller 62 and the driven roller 63 are respectively rotatably disposed on the second bracket 65, and the ionization chamber 72 is fixedly disposed on the second bracket 65;
the nucleon balance metering mechanism 7 further comprises a third bracket 75, said third bracket 75 being fixedly arranged between the ionization chamber 72 and the radiation source 71.
The first bracket 511 has the supporting and protecting effects on the abutting groove 52, the second bracket 65 has the supporting and protecting effects on the driving roller 62, the driven roller 63 and the ionization chamber 72, and the third bracket 75 has the supporting and protecting effects on the emission source, so that the use stability is improved.
The embodiment of the application also provides a method for stabilizing the blanking of the coal blending tank, which comprises the following steps:
s1, coal sequentially passes through a feeding pipeline 1, a transition pipeline 2 and a discharging pipeline 3, then falls into a disc feeding mechanism 5, and then falls onto a conveying mechanism 6 to finish coal transfer;
s2, measuring and calculating the weight of the coal on the conveying mechanism 6 by arranging a nucleon balance metering mechanism 7;
s3, in order to obtain the target coal transportation amount, the blanking amount can be adjusted by the following modes: 1. the distance between the lower end of the upper and lower adjusting sleeve 31 and the disc receiving mechanism; 2. the rotating speed of the disc receiving mechanism is regulated through the second driving component 51 so as to change the discharging speed of the coal from the receiving groove 52; 3. the size of the discharge hole 55 is regulated by the material guide plate 54;
s4, when blockage occurs, the gear 42 is driven to rotate by the first driving component 41, the gear 42 drives the first gear ring 43 to rotate, the first gear ring 43 drives the scraper 44 to rotate, the scraper 44 makes relative rotary cutting movement along the inner wall of the transition pipeline 2 around the central line of the transition pipeline 2, and the coal attached to the inner wall of the transition pipeline 2 is scraped and cleaned; if no clogging occurs, the clogging removing mechanism 4 is not used.
By the method, blockage caused by caking and arching of the coal can be avoided, the cleaning effect is good, smooth discharging of the coal blending tank is ensured, the labor intensity and the potential safety hazard of workers are greatly reduced, the discharging of the coal blending tank is uniform and stable, and the workers can conveniently control the discharging amount according to the actual use requirement so as to improve the accuracy of coal blending.
Working principle: when the coal blending tank and the discharging method for stable discharging are used, coal sequentially passes through the feeding pipeline 1, the transition pipeline 2 and the discharging pipeline 3 and then falls onto the rotary table 53, the second driving motor 51a is started to drive the bevel gear 51c to rotate through the second speed reducer 51b, the bevel gear 51c drives the second gear ring 51d to rotate, the second gear ring 51d drives the rotary table 53 to rotate, the coal falling onto the rotary table 53 moves around the receiving tank 52 under the action of centrifugal force generated by rotation of the rotary table 53, then is discharged from the discharge port 55 under the guidance of the material guide plate 54 and then falls onto the belt 64, the third driving motor 61 is started to drive the driving roller 62 to rotate, the driving roller 62 drives the belt 64 to rotate, the belt 64 synchronously drives the driven roller 63 to support the belt 64, and the belt 64 can transport the coal, so that the coal transportation is completed; the transition pipeline 2 is an easy-to-block section, the first driving motor 41a is started to drive the gear 42 to rotate through the first speed reducer 41b, the gear 42 drives the first gear ring 43 to rotate, the first gear ring 43 drives the scraper 44 to rotate, the scraper 44 rotates around the central line of the transition pipeline 2 along the inner wall of the transition pipeline 2, and the scraper 44 performs relative rotary cutting movement around the central line of the transition pipeline 2 to scrape off and clean coal attached to the inner wall of the transition pipeline 2, so that the blockage caused by the caking and arching of the coal is avoided.
The weight of the coal on the conveying mechanism 6 can be measured and calculated by arranging the nucleon balance metering mechanism 7, gamma rays emitted by an emission source penetrate through the coal, the ionization chamber 72 receives and measures the radiation attenuation degree, the velometer 73 measures the rotating speed of the driving roller 62 and transmits the data to the controller 74, and the weight of the coal conveyed on the belt 64 can be calculated; to achieve a target coal transfer, the amount of feed may be adjusted by: 1. the distance between the lower end of the sleeve 31 and the turntable 53 can be adjusted up and down by rotating the sleeve 31; 2. the rotating speed of the rotary table 53 is regulated by the second driving component 51 so as to change the discharging speed of the coal from the receiving groove 52; 3. the size of the discharge hole 55 is regulated by the guide plate 54: after the material guide plate 54 is rotated to adjust the material outlet 55 to a proper size, the first limit post 56 and the second limit post 57 are inserted into the limit hole 59, and the position of the material guide plate 54 can be fixed by the limit plate 58.
The foregoing is merely a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and variations may be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application should be included in the protection scope of the present application.
Claims (10)
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| CN202311279511.7A CN117645088A (en) | 2023-09-28 | 2023-09-28 | Coal blending tank capable of stabilizing blanking and blanking method |
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| CN202311279511.7A CN117645088A (en) | 2023-09-28 | 2023-09-28 | Coal blending tank capable of stabilizing blanking and blanking method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119527830A (en) * | 2025-01-15 | 2025-02-28 | 临涣焦化股份有限公司 | A disc type coal blending feeding system for coking coal preparation |
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