CN114849537A

CN114849537A - Distributed multi-stage accurate coal blending mixing bunker based on mixing of various coal formulas

Info

Publication number: CN114849537A
Application number: CN202210570536.1A
Authority: CN
Inventors: 姚军峰; 王勇; 方宜; 石松林; 姚华利; 张全胜; 莫积冲; 陈旭东
Original assignee: Huaibei Industrial Building Design Institute Co ltd
Current assignee: Huaibei Industrial Building Design Institute Co ltd
Priority date: 2022-05-24
Filing date: 2022-05-24
Publication date: 2022-08-05
Anticipated expiration: 2042-05-24
Also published as: CN114849537B

Abstract

The invention discloses a distributed multi-stage accurate coal blending and mixing bunker based on the mixing of multiple coal formulas, and relates to the related technical field of coal blending and storage.

Description

Distributed multi-stage accurate coal blending mixing bunker based on mixing of various coal formulas

Technical Field

The invention relates to the technical field of coal blending storage, in particular to a distributed multi-stage accurate coal blending mixing bunker based on mixing of various coal formulas.

Background

Coal is widely applied to a coal proportioning system as a combustion raw material, and a coal bunker is used as an important device for storing coal, when the coal is required to be proportioned, various coal dust is required to be obtained from each coal bunker, the coal dust is easy to adhere to each other in the coal dust blanking process, accurate material conveying and proportioning cannot be realized, the device efficiency is low, ordered planning cannot be performed on target coal, uniform controllable mixed addition of each coal dust in the coal dust cannot be realized, and the problem of low intelligent degree of the traditional device is caused;

in view of the above technical drawbacks, a solution is proposed.

Disclosure of Invention

The invention aims to: on the basis of accurately switching, sequentially and automatically feeding and mixing the pulverized coal in each distributed storage cavity, the pulverized coal is subjected to waiting type active conveying and mixing, so that the pulverized coal is rapidly fed and then mixed, the operation efficiency of the equipment is enhanced, meanwhile, the pulverized coal at the bottom is prevented from being adhered to each other, the operation smoothness of the equipment is enhanced, the intelligent operation of the equipment is ensured, the controlled filling and mixing are realized through the integration processing of related data, the work of staged coal mixing is realized, the ordered operation of the equipment is ensured, and the intelligence of the equipment is further improved;

in order to achieve the purpose, the invention adopts the following technical scheme:

a distributed multi-stage accurate coal blending mixing bunker based on the mixing of various coal formulas comprises an outer ring coal shell, the outer end of the outer ring coal shell is provided with a control panel which is electrically connected with a start button and an input display panel, the bottom of the outer ring coal shell is inwards contracted to be in a V shape, an inner ring coal shell is arranged in the outer ring coal shell, a partition plate is arranged between the inner ring coal shell and the outer ring coal shell, the bottom end of the inner ring coal shell is fixedly connected with the inner wall of the bottom of the outer ring coal shell, two sides of the partition plate are respectively fixedly connected with the outer wall of the inner ring coal shell and the inner wall of the outer ring coal shell, a plurality of partition plates are arranged, the partition plates are distributed according to an annular array by taking the ring center of the inner ring coal shell as the circle center, two partition plates are arranged in a gap to form a distributed coal storage cavity, the coal material diversion assemblies are matched in the distributed coal storage cavities and are arranged in one-to-one correspondence with the distributed coal storage cavities;

the utility model discloses a coal blending device, including inner ring coal shell, coal blending subassembly, coal blending solenoid valve, coal charge ration ring, coal charge guiding subassembly and coal blending subassembly adaptation are provided with in the bottom of inner ring coal shell, the coal charge mouth is the one-to-one with distributed storage coal cavity and link up the setting, the butt joint of coal charge mouth department has coal charge ration ring, coal charge ration ring rotates and locates in the inner ring coal shell, and the outer end of coal charge ration ring and the inner wall butt of inner ring coal shell, coal charge ration ring has seted up quantitative hole, one the one end and the a plurality of coal charge mouth activity link up of ration hole are connected, the bottom through connection of outer ring coal shell has the coal blending subassembly, the bottom through connection of coal blending subassembly has the discharging pipe, install ejection of compact solenoid valve on the discharging pipe, coal charge ration ring, coal charge guiding subassembly and coal blending subassembly adaptation have switching subassembly in coordination.

Furthermore, the coal material diversion assembly comprises a first bevel gear and a plurality of conveying assemblies, the first bevel gear is arranged in the inner ring coal shell, the conveying assemblies are in transmission connection with the first bevel gear, the conveying assemblies are distributed in an annular array by taking the circle center of the first bevel gear as the center, and the conveying assemblies are arranged in the distributed coal storage cavity.

Further, the component to be conveyed comprises a second bevel gear, the second bevel gear is meshed with the first bevel gear, a first rotating rod is fixedly sleeved on the second bevel gear, one end, far away from the second bevel gear, of the first rotating rod rotates to penetrate through the inner wall of the inner ring coal shell and extend into the distributed coal storage cavity, a third bevel gear is fixedly sleeved on the middle axis of the inner ring coal shell, the third bevel gear is meshed with a fourth bevel gear, the fourth bevel gear is meshed with a second rotating rod, the second rotating rod is perpendicular to the first rotating rod, a first fixing sleeve is fixedly sleeved at the center of the outer end of the second rotating rod, a first flow guide thread blade is sleeved at the outer end of the first fixing sleeve, the second rotating rod is rotatably arranged in the distributed coal storage cavity, a fifth bevel gear is fixedly sleeved at the bottom end of the second rotating rod, and the fifth bevel gear is meshed with a sixth bevel gear, the sixth bevel gear is fixedly sleeved with a third rotating rod, and the third rotating rod and the second rotating rod are arranged at an included angle;

the fixed cover in outer end of third bull stick is equipped with the second fixed sleeve, the outer end cover of second fixed sleeve is equipped with third water conservancy diversion screw thread leaf, coal mouth department is just being located to the one end of third water conservancy diversion screw thread leaf, the both ends of second bull stick are passed through the bearing and are rotated the cover and are equipped with first dead lever and second dead lever, first dead lever and second dead lever are fixed to be located the distributing type and store up the coal intracavity, and the top of second dead lever is located to first dead lever, the one end and the second dead lever of third bull stick rotate to be connected, and the other end of third bull stick and the outer wall fixed connection of inner ring coal shell.

Further, mix the coal subassembly and include the coal mixing casing, the fixed outer loop coal cinder shell bottom of locating of coal mixing casing, the coal mixing casing internal rotation is equipped with the rotation endotheca, be equipped with the hollow tube in the rotation endotheca, be equipped with mixed flabellum between hollow tube and the rotation endotheca, mixed flabellum is equipped with a plurality ofly, and just mixed flabellum uses the axis of hollow tube as the centre of a circle and according to annular array distribution, the logical material mouth has been seted up at the both ends of rotation endotheca, the logical material mouth respectively with ration discharge hole and discharging pipe through connection.

Further, the cooperative switching assembly comprises a switching motor, the switching motor is fixedly arranged at the top end of the inner ring coal shell, an output shaft of the switching motor is fixedly connected with a sliding cylinder sleeve, the outer end of the sliding cylinder sleeve is fixedly sleeved with the first bevel gear, one end of the sliding cylinder sleeve penetrates through the outer end of the inner ring coal shell through rotation of a bearing and extends into the inner ring coal shell, and is slidably clamped with a switching rotating rod, the outer end of the switching rotating rod is rotatably sleeved with a ring sleeve through the bearing, the outer end of the ring sleeve is fixedly connected with an L-shaped lifting rod, one end of the L-shaped lifting rod, far away from the ring sleeve, is fixedly connected with a lifting cylinder, the output shaft of the lifting cylinder is fixedly connected with the L-shaped lifting rod, the outer end of the switching rotating rod is sleeved with a sliding clamping sleeve, the inner end of the sliding clamping sleeve is movably clamped with the outer end of the switching rotating rod, and the sliding clamping sleeve is arranged at the coal material quantifying ring, a plurality of connecting rods are fixedly arranged between the sliding clamping sleeve and the coal material quantifying ring, the connecting rods are distributed according to an annular array by taking the circle center of the sliding clamping sleeve as the center, and the outer end of the bottom of the switching rotating rod is movably clamped with the hollow pipe;

the bottom of switching bull stick rotates through the bearing and is equipped with the rotation protruding pole, the bottom fixedly connected with fixed block of rotation protruding pole, the bottom welded fastening of fixed block has the pressure spring, the bottom fixedly connected with pressure sensor of pressure spring, pressure sensor fixes the bottom of locating the hollow tube, and in the hollow tube was located to the pressure spring, the outer end of fixed block and the inner wall slip butt of hollow tube, the switching bull stick is equipped with the first sand grip of the slip joint of adaptation slip cylinder liner, first sand grip is equipped with a plurality ofly, and first sand grip distributes according to annular array with the axis of switching bull stick as the centre of a circle.

Furthermore, the sliding cylinder sleeve is provided with a first sliding groove matched with the first convex strip in a sliding manner, and the first convex strip is arranged in the first sliding groove in a sliding manner.

Further, it is equipped with the second sand grip of the movable joint of adaptation slip cutting ferrule to switch the bull stick, the second sand grip is equipped with a plurality ofly, and the second sand grip uses the axis of switching the bull stick as the centre of a circle and distributes according to annular array, the gliding second spout of adaptation second sand grip has been seted up to the slip cutting ferrule, the second sand grip activity is located in the second spout, and second sand grip and second spout sliding connection.

Further, it is equipped with the third sand grip of the movable joint of adaptation slip cutting ferrule to switch the bull stick, the third sand grip is equipped with a plurality ofly, and the third sand grip uses the axis of switching the bull stick as the centre of a circle and distributes according to annular array, the gliding third spout of adaptation third sand grip is seted up to the slip cutting ferrule, the third sand grip activity is located in the third spout, and third sand grip and third spout sliding connection.

Further, the control panel further includes:

the data input module is used for inputting a target coal blending table and sending the target coal blending table to the operation processing module; the target coal material batching list comprises coal powder serial numbers, coal powder required weight, coal powder occupation ratio and coal powder required total amount;

the operation processing module is used for receiving a target coal material batching table and performing multi-level processing to generate a first control signal, a positive number feeding set or a remainder feeding set; the generated first control signal is sent to the primary control module, and the generated positive number material adding set or the generated remainder material adding set is sent to the secondary control module;

the primary control module is used for receiving a first control signal and controlling the operation of the component;

and the secondary control module is used for receiving the positive number material adding set or the residual number material adding set and respectively controlling the operation of the components.

Further, the specific working steps of the multilevel processing are as follows:

comparing the single mixing amount of the coal mixing assembly with the total amount of the coal powder requirement, generating a first control signal when the single mixing amount of the coal mixing assembly is more than or equal to the total amount of the coal powder requirement, and sending the first control signal to the primary control module; wherein the single mixing amount of the coal mixing component is a constant value;

when the single mixing amount of the coal mixing component is less than the coal powder required total amount, and the ratio of the single mixing amount of the coal mixing component to the coal powder required total amount is a positive integer, adding the coal mixing component single mixing amount of the coal powder required total amount/coal mixing component single mixing amount times, and combining the coal mixing component single mixing amount times of the coal mixing component single mixing amount times with the ratio of each coal powder to construct a positive addition set;

when the single mixing amount of the coal mixing assembly is less than the total amount of the coal powder demand, and the ratio of the single mixing amount of the coal mixing assembly to the total amount of the coal powder demand generates a positive value and a remainder value, respectively adding the single mixed coal material of the single mixing amount of the positive value secondary coal mixing assembly and the total amount of the addition remainder value, and constructing a remainder additive set by combining the ratio of each coal powder.

In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:

on the basis of accurately switching the pulverized coal in each distributed storage cavity to automatically feed and mix the pulverized coal in turn, the coal powder is subjected to waiting type active conveying coal powder mixing, so that the coal powder is quickly fed and then mixed, the operation efficiency of the equipment is enhanced, the mutual adhesion of the coal dust at the bottom is also prevented, the smoothness of the operation of the equipment is enhanced, the intelligent operation of the equipment is ensured, and the relevant data is integrated, thereby realizing the controlled filling and mixing, realizing the stage coal mixing work, ensuring the ordered operation of the equipment, further improving the intelligence of the equipment, solving the problem that the traditional equipment has lower efficiency because the bottoms of the pulverized coal are mutually stuck and the accurate material conveying and proportioning can not be realized, the target coal cannot be orderly planned, and the uniform controllable mixing and adding of each coal powder in the coal cannot be realized, so that the problem of low intelligent degree of the traditional equipment is caused;

drawings

FIG. 1 shows a perspective view of the present invention;

FIG. 2 shows a cross-sectional view of the present invention;

FIG. 3 shows a partial enlarged view at A of FIG. 2;

fig. 4 shows a schematic structural view of the component to be conveyed;

FIG. 5 shows an enlarged view at the bottom of FIG. 2;

FIG. 6 shows a close-up view at the hybrid fan blade;

FIG. 7 shows a flow chart of the present invention;

illustration of the drawings: 1. an outer ring coal shell; 2. an inner ring coal shell; 3. partition plates; 4. a coal flowing port; 5. a coal material quantifying ring; 6. a coal guide assembly; 7. a coal blending assembly; 8. a cooperative switching component; 9. a discharge pipe; 10. a discharge electromagnetic valve; 101. a control panel; 102. a start button; 103. an input display panel; 501. a quantitative flow orifice; 601. a first bevel gear; 602. a second bevel gear; 603. a first rotating lever; 604. a third bevel gear; 605. a fourth bevel gear; 606. a second rotating rod; 607. a first fixed sleeve; 608. a first guide screw thread blade; 609. a fifth bevel gear; 610. a sixth bevel gear; 611. a third rotating rod; 612. a second fixed sleeve; 613. a third guide screw thread blade; 614. a first fixing lever; 615. a second fixing bar; 701. a coal mixing housing; 702. rotating the inner sleeve; 703. a hollow tube; 704. mixing fan blades; 705. a material inlet is formed; 801. switching the motors; 802. a sliding cylinder liner; 803. switching the rotating rod; 804. a first rib; 805. a second convex strip; 806. a third rib; 807. sliding the ferrule; 808. a connecting rod; 809. rotating the convex rod; 810. a fixed block; 811. a pressure-sensitive spring; 812. a pressure sensor; 813. a lifting cylinder; 814. an L-shaped lifting rod; 815. a ring sleeve is provided.

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.

Example 1:

as shown in figures 1-7, the distributed multi-stage precise coal blending and mixing bunker based on the mixing of multiple coal formulations comprises an outer ring coal shell 1, the bottom of the outer ring coal shell 1 is contracted inwards to form a v shape, an inner ring coal shell 2 is arranged in the outer ring coal shell 1, a plurality of partition plates 3 are arranged between the inner ring coal shell 2 and the outer ring coal shell 1, the bottom end of the inner ring coal shell 2 is fixedly connected with the inner wall of the bottom of the outer ring coal shell 1, two sides of each partition plate 3 are respectively fixedly connected with the outer wall of the inner ring coal shell 2 and the inner wall of the outer ring coal shell 1, the partition plates 3 are distributed according to an annular array by taking the ring center of the inner ring coal shell 2 as the center of a circle, the two partition plates 3 are arranged at intervals to form a distributed coal storage cavity, a plurality of distributed coal storage cavities are used for storing different kinds of coal dust, coal blending and coal diversion assemblies 6 are arranged in the distributed coal storage cavities in a one-to-one correspondence manner, the coal material guide assembly 6 is used for preventing stored coal powder from being bonded and agglomerated with each other and accelerating the coal blending efficiency;

the bottom of the inner ring coal shell 2 is provided with a plurality of coal flowing ports 4, the coal flowing ports 4 are arranged in a one-to-one correspondence manner with the distributed coal storage cavity in a penetrating manner, the coal flowing ports 4 are abutted with coal quantitative rings 5, the coal quantitative rings 5 are rotatably arranged in the inner ring coal shell 2, the outer ends of the coal quantitative rings 5 are abutted with the inner wall of the inner ring coal shell 2, the coal quantitative rings 5 are provided with quantitative flow holes 501, one end of one quantitative flow hole 501 is movably connected with the coal flowing ports 4 in a penetrating manner, the bottom end of the outer ring coal shell 1 is connected with a coal mixing component 7 in a penetrating manner, the bottom end of the coal mixing component 7 is connected with a discharge pipe 9 in a penetrating manner, a discharge electromagnetic valve 10 is installed on the discharge pipe 9, a collecting box with a weighing function is arranged under the discharge pipe 9 and used for collecting the mixed coal, the coal powder stored in the distributed coal storage cavity flows into the coal mixing component 7 under the action of the coal guiding component 6, and the coal powder corresponding to other coal flowing ports 4 does not flow, the coal quantifying ring 5, the coal guiding component 6 and the coal mixing component 7 are matched with a cooperative switching component 8, and the cooperative switching component 8 is used for switching power transmission to ensure the normal operation of the device;

the coal material flow guide component 6 comprises a first bevel gear 601 and a component to be conveyed, the first bevel gear 601 is arranged in the inner ring coal shell 2, the component to be conveyed is in transmission connection with the first bevel gear 601, the component to be conveyed is provided with a plurality of components, the components to be conveyed are distributed in an annular array by taking the circle center of the first bevel gear 601 as the center, the components to be conveyed are arranged in the distributed coal storage cavities, each distributed coal storage cavity is ensured to be provided with one component to be conveyed, the component to be conveyed comprises a second bevel gear 602, the second bevel gear 602 is in meshed connection with the first bevel gear 601, the second bevel gear 602 is fixedly sleeved with a first rotating rod 603, one end, far away from the second bevel gear 602, of the first rotating rod 603 rotates to penetrate through the inner wall of the inner ring coal shell 2 and extends into the distributed coal storage cavities, and a third bevel gear 604 is fixedly sleeved on the first rotating rod 603;

a third bevel gear 604 is arranged on the central axis of the inner ring coal shell 2, the third bevel gear 604 is connected with a fourth bevel gear 605 in an engaged manner, the fourth bevel gear 605 is connected with a second rotating rod 606 in an engaged manner, the second rotating rod 606 is perpendicular to the first rotating rod 603, a first fixing sleeve 607 is fixedly sleeved at the center of the outer end of the second rotating rod 606, a first flow guide thread blade 608 is sleeved at the outer end of the first fixing sleeve 607, the second rotating rod 606 is rotatably arranged in the distributed coal storage cavity, a fifth bevel gear 609 is fixedly sleeved at the bottom end of the second rotating rod 606 and is connected with a sixth bevel gear 610 in an engaged manner, a third rotating rod 611 is fixedly sleeved on the sixth bevel gear 610, and an included angle is formed between the third rotating rod 611 and the second rotating rod 606;

a second fixing sleeve 612 is fixedly sleeved at the outer end of the third rotating rod 611, a third flow guide thread blade 613 is sleeved at the outer end of the second fixing sleeve 612, one end of the third flow guide thread blade 613 is arranged at the coal flowing port 4, a first fixing rod 614 and a second fixing rod 615 are rotatably sleeved at two end parts of the second rotating rod 606 through bearings, the first fixing rod 614 and the second fixing rod 615 are fixedly arranged in the distributed coal storage cavity, the first fixing rod 614 is arranged above the second fixing rod 615, one end of the third rotating rod 611 is rotatably connected with the second fixing rod 615, and the other end of the third rotating rod 611 is fixedly connected with the outer wall of the inner ring coal shell 2;

the first bevel gear 601 rotates to drive the second bevel gear 602 engaged with the first bevel gear to rotate, the second bevel gear 602 rotates to drive the first rotating rod 603 fixedly sleeved with the first bevel gear to rotate, the first rotating rod 603 rotates to drive the third bevel gear 604 fixedly sleeved with the first bevel gear 604 to rotate, the third bevel gear 604 rotates to drive the fourth bevel gear 605 engaged with the third bevel gear to rotate, the fourth bevel gear 605 rotates to drive the second rotating rod 606 fixedly sleeved with the fourth bevel gear to rotate, the second rotating rod 606 rotates to drive the first diversion thread blade 608 to rotate through the first fixing sleeve 607, the first diversion thread blade 608 rotates to push pulverized coal in the distributed coal storage cavity to have a downward movement tendency, meanwhile, the second rotating rod 606 rotates to drive the fifth bevel gear 609 fixedly sleeved with the second rotating rod to rotate, the fifth bevel gear 609 rotates to drive the sixth bevel gear 610 engaged with the fifth bevel gear 610 to rotate, the sixth bevel gear 610 rotates to drive the third rotating rod 611 obliquely arranged with the second rotating rod 606 to rotate, after rotating, the third rotating rod 611 drives the second flow guide threaded blade fixed with the third rotating rod to rotate through the second fixing sleeve 612, the second flow guide threaded blade pushes pulverized coal in the distributed coal storage cavity to move towards the coal flow port 4, and the pulverized coal is prevented from being attached to each other and pushed to move towards the coal flow port 4 through the rotation of the first flow guide threaded blade 608 and the second flow guide threaded blade;

the coal mixing component 7 comprises a coal mixing shell 701 fixedly arranged at the bottom end of the outer ring coal shell 1, a rotating inner sleeve 702 is rotatably arranged in the coal mixing shell 701, a hollow pipe 703 is arranged in the rotating inner sleeve 702, a plurality of mixing fan blades 704 are arranged between the hollow pipe 703 and the rotating inner sleeve 702, the mixing fan blades 704 are distributed in an annular array by taking the central axis of the hollow pipe 703 as the center of a circle, and material through ports 705 are arranged at two ends of the rotating inner sleeve 702 and are respectively communicated with a quantitative flow hole 501 and a material discharging pipe 9; the hollow pipe 703 rotates to drive the mixing fan blades 704 fixed with the hollow pipe to rotate, the mixing fan blades 704 rotate to drive the rotating inner sleeve 702 fixed with the mixing fan blades to rotate, and the mixing fan blades 704 stir and mix the coal powder falling into the mixing fan blades to generate target coal;

the cooperative switching assembly 8 comprises a switching motor 801, the switching motor 801 is fixedly arranged at the top end of the inner ring coal shell 2, an output shaft of the switching motor 801 is fixedly connected with a sliding cylinder sleeve 802, the outer end of the sliding cylinder sleeve 802 is fixedly sleeved with a first bevel gear 601, one end of the sliding cylinder sleeve 802 penetrates through the outer end of the inner ring coal shell 2 to extend into the inner part of the inner ring coal shell 2 through rotation of a bearing and is slidably clamped with a switching rotating rod 803, the outer end of the switching rotating rod 803 is rotatably sleeved with a ring sleeve 815 through the bearing, the outer end of the ring sleeve 815 is fixedly connected with an L-shaped lifting rod 814, one end of the L-shaped lifting rod 814 far away from the ring sleeve 815 is fixedly connected with a lifting cylinder 813, the output shaft of the lifting cylinder 813 is fixedly connected with the L-shaped lifting rod 814, the outer end of the switching rotating rod 803 is sleeved with a sliding clamping sleeve 807, the inner end of the sliding clamping sleeve 807 is movably clamped with the outer end of the switching rotating rod 803, the sliding clamping sleeve 807 is arranged at the coal material quantifying ring 5, and a connecting rod 808 is fixedly arranged between the sliding sleeve 807 and the coal quantifying ring 5, a plurality of connecting rods 808 are arranged, the connecting rods 808 are distributed in an annular array by taking the circle center of the sliding clamping sleeve 807 as the center, and the outer end of the bottom of the switching rotating rod 803 is movably clamped with the hollow pipe 703;

the bottom end of the switching rotating rod 803 is rotatably provided with a rotating convex rod 809 through a bearing, the bottom end of the rotating convex rod 809 is fixedly connected with a fixed block 810, the bottom end of the fixed block 810 is fixedly welded with a pressure-sensitive spring 811, and the bottom end of the pressure-sensitive spring 811 is fixedly connected with a pressure sensor 812; the pressure sensor 812 is fixedly arranged at the bottom end of the hollow pipe 703, the pressure-sensitive spring 811 is arranged in the hollow pipe 703, the outer end of the fixed block 810 is in sliding abutting joint with the inner wall of the hollow pipe 703, the switching rotating rod 803 is provided with a plurality of first raised lines 804 matched with the sliding cylinder sleeve 802 in sliding clamping, the first raised lines 804 are distributed according to an annular array by taking the central axis of the switching rotating rod 803 as the center of a circle, the sliding cylinder sleeve 802 is provided with a first sliding groove matched with the first raised lines 804 in sliding, the first raised lines 804 are arranged in the first sliding groove in a sliding manner, so that the sliding cylinder sleeve 802 and the switching rotating rod 803 are always kept in a transmission state,

the switching rotating rod 803 is provided with a plurality of second raised lines 805 which are matched with the sliding clamping sleeves 807 to be movably clamped, the second raised lines 805 are distributed according to an annular array by taking the central axis of the switching rotating rod 803 as the center of a circle, the sliding clamping sleeves 807 are provided with second sliding grooves matched with the second raised lines 805 to slide, the second raised lines 805 are movably arranged in the second sliding grooves, and the second raised lines 805 are connected with the second sliding grooves in a sliding manner; the second raised line 805 is movably arranged in the second sliding groove, so that the controllability of power transmission between the switching rotating rod 803 and the coal quantifying ring 5 is ensured;

the switching rotating rod 803 is provided with a plurality of third convex strips 806 movably clamped by the adaptive sliding clamping sleeve 807, the third convex strips 806 are distributed according to an annular array by taking the central axis of the switching rotating rod 803 as the center of a circle, the sliding clamping sleeve 807 is provided with a third sliding groove matched with the sliding of the third convex strips 806, the third convex strips 806 are movably arranged in the third sliding groove, and the third convex strips 806 are in sliding connection with the third sliding groove; the third protruding strip 806 is movably disposed in the third sliding slot, so as to ensure the controllability of power transmission between the switching rotating rod 803 and the hollow tube 703;

the switching motor 801 is started to work and the output shaft of the switching motor is controlled to rotate, the output shaft of the switching motor 801 drives the sliding cylinder sleeve 802 fixed with the switching motor to rotate after rotating, the sliding cylinder sleeve 802 drives the first bevel gear 601 fixedly sleeved with the sliding cylinder sleeve to rotate, the first bevel gear 601 rotates and drives a plurality of components to be conveyed to operate through component transmission, coal dust in each distributed coal storage cavity is in a state to be output, meanwhile, the sliding cylinder sleeve 802 rotates and drives the switching rotating rod 803 in a clamping state with the sliding cylinder sleeve 803 to rotate, then the output shaft of the lifting cylinder 813 is controlled to retract and drive the lifting cylinder to move towards the L-shaped lifting rod 814 fixed with the lifting cylinder, the L-shaped lifting rod 814 moves upwards and drives the switching rotating rod 803 to move upwards through the ring sleeve 815, so that the second convex strip of the switching rotating rod 803 is clamped with the sliding clamping sleeve 807, the rotating power of the switching rotating rod 803 is transmitted to the sliding clamping sleeve 807, the sliding sleeve 808 drives the coal material quantifying ring 5 fixed with the switching sleeve 807 to rotate, when the coal quantifying ring 5 rotates to enable the quantifying flow hole 501 to face the needed coal flowing port 4, the needed coal powder enters the coal mixing assembly 7 under the pushing of the assembly to be conveyed, then the switching rotating rod 803 is controlled to repeat the process, various coal powders fall into the coal mixing assembly 7, then the switching rotating rod 803 is controlled to return to control the switching rotating rod 803 to move downwards, a third convex strip 806 of the switching rotating rod 803 is inserted into a third groove of the hollow pipe 703, the rotating power of the switching rotating rod 803 is transmitted to the hollow pipe 703, and the hollow pipe 703 rotates to drive a mixing fan blade 704 fixed with the hollow pipe to rotate to mix the various coal powders and generate the target coal;

the outer end of the outer ring coal shell 1 is provided with a control panel 101, and the control panel 101 is electrically connected with a start button 102 and an input display panel 103;

when the switching rotary rod 803 moves upwards or downwards, the switching rotary rod 803 drives the rotary convex rod 809 rotationally connected with the switching rotary rod via a bearing to move, the rotary convex rod 809 drives the fixed block 810 fixed with the rotary convex rod to slide along the inner wall of the hollow tube 703 after moving, the fixed block 810 drives the pressure sensing spring 811 fixed with the fixed block to elastically deform after sliding along the inner wall of the hollow tube 703, the reverse acting force of the pressure sensing spring 811 after elastic deformation is transmitted to the pressure sensor 812, the pressure sensor 812 senses a pressure value, when the pressure value sensed by the pressure sensor 812 is a positive pressure value and when the switching rotary rod 803 moves upwards, the pressure value sensed by the pressure sensor 812 is a negative pressure value, the positive pressure value or the negative pressure value is also transmitted to the control panel 101, and when the control panel 101 receives the positive pressure value or the negative pressure value, the positive pressure value or the negative pressure value is respectively compared with the corresponding preset value, when the positive pressure value or the negative pressure value is respectively equal to the preset values, the component is in the optimal transmission state, otherwise, the component is not in the optimal transmission state, and then the switching rotating rod 803 is controlled to ascend and descend again, so that the component is ensured to be in the optimal transmission state, the positive pressure value or the negative pressure value is respectively equal to the corresponding preset values, and the accuracy of the transmission of the coal distribution component is enhanced;

the working principle is as follows:

step one, inputting a target coal blending table by a data input module at a control panel 101 and sending the target coal blending table to an operation processing module; the target coal material batching list comprises coal powder serial numbers, coal powder required weight, coal powder occupation ratio, coal powder required total amount and the like;

the coal powder numbers are 1, 2, … … and i, i is the total number of the coal powder; i is a positive integer;

the required weight of the coal dust is M1, M2, … … and Mi, and M1, M2, … … and Mi are coal dust target weights corresponding to the coal dust serial numbers one by one;

the proportion of each coal dust is b 1%, b 2%, … … and bi%, b 1%, b 2%, … … and Mbi% is the ratio of the target weight of each coal dust to the total required amount of coal dust MZ, wherein the total required amount of coal dust MZ is the sum of the target weight of each coal dust;

b 1%, b 2%, … … and Mbi% are in one-to-one correspondence with M1, M2, … … and Mi;

step two, the operation processing module receives the target coal material batching table and then processes the target coal material batching table, and the specific processing process is as follows;

comparing the single mixing amount R of the coal mixing assembly 7 with the total amount MZ required by the pulverized coal, generating a first control signal when the single mixing amount R of the coal mixing assembly 7 is more than or equal to the total amount MZ required by the pulverized coal, and sending the first control signal to the primary control module; wherein the single mixing amount R of the coal mixing component 7 is a constant value;

after receiving the first control signal, the primary control module sequentially adds the pulverized coal with the required weight into the coal mixing assembly 7 according to the serial number of the pulverized coal in the batching table, fully stirs the pulverized coal, and opens the discharge electromagnetic valve 10 to enable an external collection box to collect and store the mixed coal;

when the single mixing amount R of the coal mixing assembly 7 is less than the coal powder required total amount MZ, and the ratio of the single mixing amount R of the coal mixing assembly 7 to the coal powder required total amount MZ is a positive integer, the single mixing amount R of the coal mixing assembly 7 of MZ/R times needs to be added, and the single mixing amount R of the coal mixing assembly 7 of MZ/R times is combined with the ratio of each coal powder to construct a positive number charging set;

when the single mixing amount R of the coal mixing assembly 7 is less than the coal powder required total amount MZ and the ratio of the single mixing amount R of the coal mixing assembly 7 to the coal powder required total amount MZ generates a positive value x and a remainder value y, respectively adding the single mixed coal materials of the single mixing amount R of the x coal mixing assembly 7 and the addition of the total amount y, and constructing a remainder feeding set by combining the occupation ratio of each coal powder;

generating a positive number feeding set or a residual number feeding set to a second control module;

after receiving the positive number feeding set or the remainder feeding set, the second control module immediately controls the components to work to realize the controllable filling and mixing of the target component and the target total amount;

by integrating the technical scheme, on the basis of accurately switching and sequentially automatically feeding and mixing the pulverized coal in each distributed storage cavity, the pulverized coal is subjected to waiting type active conveying pulverized coal mixing, so that the pulverized coal is rapidly fed and then mixed, the operation efficiency of the equipment is enhanced, meanwhile, the pulverized coal at the bottom is prevented from being adhered to each other, the smoothness of the operation of the equipment is enhanced, the intelligent operation of the equipment is ensured, and the controlled filling and mixing are realized by integrating and processing related data, so that the stage coal mixing work is realized, the ordered operation of the equipment is ensured, and the intelligence of the equipment is further improved.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered as the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.

Claims

1. A distributed multi-stage accurate coal blending mixing bunker based on mixing of multiple coal formulas comprises an outer ring coal shell (1), wherein a control panel (101) is arranged at the outer end of the outer ring coal shell (1), the control panel (101) is electrically connected with a start button (102) and an input display panel (103), and the distributed multi-stage accurate coal blending mixing bunker is characterized in that the bottom of the outer ring coal shell (1) is inwards contracted to be in a V shape, an inner ring coal shell (2) is arranged in the outer ring coal shell (1), a partition plate (3) is arranged between the inner ring coal shell (2) and the outer ring coal shell (1), the bottom end of the inner ring coal shell (2) is fixedly connected with the inner wall of the bottom of the outer ring coal shell (1), two sides of the partition plate (3) are fixedly connected with the outer wall of the inner ring coal shell (2) and the inner wall of the outer ring coal shell (1) respectively, the partition plate (3) is provided with a plurality of partition plates, and the partition plates (3) are distributed according to an annular array by taking the ring center of the inner ring coal shell (2) as the center, the two partition plates (3) are arranged in a clearance mode to form a distributed coal storage cavity, a coal guide assembly (6) is adapted to the distributed coal storage cavity, and the coal guide assembly (6) and the distributed coal storage cavity are arranged in a one-to-one corresponding mode;

a plurality of coal flowing ports (4) are arranged at the bottom of the inner ring coal shell (2), the coal flowing ports (4) are communicated with the distributed coal storage cavities in a one-to-one correspondence manner, a coal quantitative ring (5) is abutted at the coal flowing port (4), the coal quantitative ring (5) is rotatably arranged in the inner ring coal shell (2), the outer end of the coal quantitative ring (5) is abutted against the inner wall of the inner ring coal shell (2), the coal quantitative ring (5) is provided with quantitative flow holes (501), one end of one quantitative flow hole (501) is movably connected with the plurality of coal flow ports (4) in a through manner, the bottom end of the outer ring coal shell (1) is connected with a coal mixing component (7) in a run-through way, the bottom end of the coal mixing component (7) is connected with a discharge pipe (9) in a run-through manner, a discharge electromagnetic valve (10) is installed on the discharge pipe (9), and the coal quantitative ring (5), the coal guide assembly (6) and the coal mixing assembly (7) are matched with a cooperative switching assembly (8).

2. The distributed multi-stage precise coal blending and mixing bunker based on multi-coal formula mixing of claim 1, wherein the coal diversion assembly (6) comprises a first bevel gear (601) and a plurality of assemblies to be conveyed, the first bevel gear (601) is arranged in the inner ring coal shell (2), the assemblies to be conveyed are in transmission connection with the first bevel gear (601), the assemblies to be conveyed are distributed in an annular array by taking the center of the circle of the first bevel gear (601) as the center, and the assemblies to be conveyed are arranged in the distributed coal storage cavities.

3. The distributed multi-stage precise coal blending and mixing bunker based on multi-coal formula mixing of claim 2, wherein the component to be conveyed comprises a second bevel gear (602), the second bevel gear (602) is in meshed connection with a first bevel gear (601), the second bevel gear (602) is fixedly sleeved with a first rotating rod (603), one end of the first rotating rod (603) far away from the second bevel gear (602) rotates to extend into the distributed coal storage cavity through the inner wall of the inner ring coal casing (2) and is fixedly sleeved with a third bevel gear (604), the third bevel gear (604) is arranged on the central axis of the inner ring coal casing (2), the third bevel gear (604) is in meshed connection with a fourth bevel gear (605), the fourth bevel gear (605) is in meshed connection with a second rotating rod (606), and the second rotating rod (606) is arranged perpendicular to the first rotating rod (603), a first fixing sleeve (607) is fixedly sleeved at the center of the outer end of the second rotating rod (606), a first flow guide thread blade (608) is sleeved at the outer end of the first fixing sleeve (607), the second rotating rod (606) is rotatably arranged in the distributed coal storage cavity, a fifth bevel gear (609) is fixedly sleeved at the bottom end of the second rotating rod (606), the fifth bevel gear (609) is in meshed connection with a sixth bevel gear (610), a third rotating rod (611) is fixedly sleeved on the sixth bevel gear (610), and an included angle is formed between the third rotating rod (611) and the second rotating rod (606);

the fixed cover in outer end of third bull stick (611) is equipped with second fixed sleeve (612), the outer end cover of second fixed sleeve (612) is equipped with third water conservancy diversion screw thread leaf (613), the one end of third water conservancy diversion screw thread leaf (613) is just locating stream coal mouth (4) department, the both ends of second bull stick (606) are rotated the cover through the bearing and are equipped with first dead lever (614) and second dead lever (615), first dead lever (614) and second dead lever (615) are fixed to be located the distributed coal storage intracavity, and first dead lever (614) locate the top of second dead lever (615), the one end and the second dead lever (615) of third bull stick (611) are rotated and are connected, and the other end and the outer wall fixed connection of inner ring coal shell (2) of third bull stick (611).

4. The distributed multi-stage accurate coal blending and mixing bunker based on mixing of multiple coal formulations according to claim 3, wherein the coal blending assembly (7) comprises a coal blending casing (701), the coal blending casing (701) is fixedly arranged at the bottom end of the outer ring coal shell (1), a rotating inner sleeve (702) is rotatably arranged in the coal blending casing (701), a hollow pipe (703) is arranged in the rotating inner sleeve (702), a plurality of mixing blades (704) are arranged between the hollow pipe (703) and the rotating inner sleeve (702), the mixing blades (704) are distributed in an annular array mode by taking the central axis of the hollow pipe (703) as the center of a circle, and a plurality of feed through ports (705) are formed in two ends of the rotating inner sleeve (702), and the feed through ports (705) are respectively in through connection with the quantitative flow hole (501) and the discharge pipe (9).

5. The distributed multi-stage precise coal blending and mixing bunker based on the mixing of multiple coal recipes according to claim 4, wherein the cooperative switching assembly (8) comprises a switching motor (801), the switching motor (801) is fixedly arranged at the top end of the inner ring casing (2), an output shaft of the switching motor (801) is fixedly connected with a sliding cylinder sleeve (802), an outer end of the sliding cylinder sleeve (802) is fixedly sleeved with the first bevel gear (601), one end of the sliding cylinder sleeve (802) extends into the inner ring casing (2) through the outer end of the inner ring casing (2) through the rotation of a bearing and is slidably clamped with a switching rotating rod (803), an outer end of the switching rotating rod (803) is rotatably sleeved with a ring sleeve (815) through the bearing, an outer end of the ring sleeve (815) is fixedly connected with an L-shaped lifting rod (814), one end of the L-shaped lifting rod (814) far away from the ring sleeve (815) is fixedly connected with a lifting cylinder (813), an output shaft of the lifting cylinder (813) is fixedly connected with an L-shaped lifting rod (814), a sliding clamping sleeve (807) is sleeved at the outer end of the switching rotating rod (803), the inner end of the sliding clamping sleeve (807) is movably clamped with the outer end of the switching rotating rod (803), the sliding clamping sleeve (807) is arranged at the coal quantifying ring (5), a plurality of connecting rods (808) are fixedly arranged between the sliding clamping sleeve (807) and the coal quantifying ring (5), the connecting rods (808) are distributed in an annular array by taking the circle center of the sliding clamping sleeve (807) as the center, and the outer end of the bottom of the switching rotating rod (803) is movably clamped with the hollow tube (703);

the bottom of switching bull stick (803) rotates through the bearing and is equipped with rotation protruding pole (809), the bottom fixedly connected with fixed block (810) of rotation protruding pole (809), the bottom welded fastening of fixed block (810) has pressure spring (811), the bottom fixedly connected with pressure sensor (812) of pressure spring (811), pressure sensor (812) are fixed and are located the bottom of hollow tube (703), and pressure spring (811) locate in hollow tube (703), the outer end of fixed block (810) and the inner wall slip butt of hollow tube (703), switch bull stick (803) and be equipped with first sand grip (804) of adaptation slip cylinder liner (802) slip joint, first sand grip (804) are equipped with a plurality ofly, and first sand grip (804) are with the axis that switches bull stick (803) as the centre of a circle and according to annular array distribution.

6. The distributed multi-stage precise coal blending and mixing bunker based on mixing of multiple coal formulations is characterized in that the sliding cylinder sleeve (802) is provided with a first sliding groove matched with the sliding of the first protruding strip (804), and the first protruding strip (804) is slidably arranged in the first sliding groove.

7. The distributed multi-stage precise coal blending and mixing bunker based on multi-coal blending formula mixing of claim 5, wherein the switching rotary rod (803) is provided with a second convex strip (805) adapted to be movably clamped by a sliding clamping sleeve (807), the second convex strip (805) is provided with a plurality of convex strips, the second convex strips (805) are distributed in an annular array by taking the central axis of the switching rotary rod (803) as a center of a circle, the sliding clamping sleeve (807) is provided with a second sliding groove adapted to slide the second convex strip (805), the second convex strip (805) is movably arranged in the second sliding groove, and the second convex strip (805) is connected with the second sliding groove in a sliding manner.

8. The distributed multi-stage precise coal blending and mixing bunker based on multi-coal blending formula mixing of claim 5, wherein the switching rotary rod (803) is provided with a third protruding strip (806) adapted to be movably clamped by a sliding clamping sleeve (807), the third protruding strip (806) is provided with a plurality of protruding strips, the third protruding strips (806) are distributed in an annular array by taking the central axis of the switching rotary rod (803) as a center of a circle, the sliding clamping sleeve (807) is provided with a third sliding groove adapted to slide the third protruding strip (806), the third protruding strip (806) is movably arranged in the third sliding groove, and the third protruding strip (806) is slidably connected with the third sliding groove.

9. The distributed multi-stage precision coal blending mixing bunker based on mixing of multiple coal formulations as claimed in claim 5, wherein the control panel (101) further comprises:

and the secondary control module is used for receiving the positive number feeding set or the residual number feeding set and respectively controlling the operation of the components.

10. The distributed multi-stage accurate coal blending and mixing bunker based on mixing of multiple coal formulations according to claim 9, characterized in that the specific working steps of the multi-stage treatment are as follows:

the single mixing amount of the coal mixing component (7) is compared with the total amount of the coal powder requirement, when the single mixing amount of the coal mixing component (7) is larger than or equal to the total amount of the coal powder requirement, a first control signal is generated, and the first control signal is sent to the primary control module; wherein the single mixing amount of the coal mixing component (7) is a constant value;

when the single mixing amount of the coal mixing component (7) is less than the coal powder required total amount, and the ratio of the single mixing amount of the coal mixing component (7) to the coal powder required total amount is a positive integer, the single mixing amount of the coal mixing component (7) of the coal powder required total amount/single mixing amount of the coal mixing component (7) needs to be added, and the single mixing amount of the coal mixing component (7) of the single mixing amount of the coal mixing component (7) is combined with the ratio of each coal powder to construct a positive number charging set;

when the single mixing amount of the coal mixing component (7) is less than the coal powder required total amount, and the ratio of the single mixing amount of the coal mixing component (7) to the coal powder required total amount generates a positive value and a remainder value, respectively adding the single mixed coal materials of the positive value sub-coal mixing component (7) and the added remainder value total amount, and constructing a remainder feeding set by combining the occupation ratio of each coal powder.