Coal selectivity evaluation device
Technical Field
The invention belongs to the technical field of coal selectivity, and particularly relates to a coal selectivity evaluation device.
Background
Coal is solid combustible organic rock, mainly by plant remains through biochemical action, after being buried, through geological action and converted into what is commonly called coal, except as fuel to obtain heat and kinetic energy, coal is more important to prepare metallurgical coke and artificial petroleum therefrom, namely liquid product of low-temperature carbonization of coal-coal tar, can produce thousands of chemical products from coal through chemical processing, coal selectivity is the main basis of coal preparation process research and coal preparation factory design, therefore, the aim of researching coal selectivity is to reasonably select coal preparation method, coal preparation process, determining product structure and the like, so as to reasonably utilize coal resources, and vast coal preparation workers at home and abroad are constantly researching the evaluation method of selectivity for accurately evaluating coal selectivity.
For coal selectivity, generally, coal particles are collected along a conveyor belt through an X-ray, a visible light camera and a depth camera to obtain shape outline and transmittance data of each coal particle, and a density composition measurement scheme and a granularity composition measurement scheme are combined with existing developed existing programs to draw a selectivity curve, select various sorting index predicted values of a selectivity value, directly output graphs and related values, and because of large accumulation of coal, the condition that the coal particles are stacked up and down easily occurs when the coal particles enter the conveyor belt, so that the subsequent judgment of sampling of the coal particles and evaluation of the values is greatly influenced.
Disclosure of Invention
Aiming at the defects existing in the prior art, the invention provides a coal selectivity evaluation device which can effectively solve the problems in the prior art.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to a coal selectivity evaluation device which comprises a screening bin, a feeding bin opening fixedly arranged at the top of the screening bin, a filtering sieve plate transversely arranged in a cavity of the screening bin and a shrinkage device connected to one side of the screening bin;
Characterized by further comprising:
the functional annular plate is arranged in the cavity of the conveying bin, and annular array distribution installing holes are formed in the side face of the functional annular plate;
An Chaban, which is arranged on one side of the functional annular plate, the front end of the inserting plate is fixedly provided with an inserting convex block which extends into the inserting hole groove, the rear end of the inserting plate is connected with two groups of inserting transverse plates distributed at intervals, the two groups of inserting transverse plates are rotationally connected with the inserting plate through a transverse plate connecting shaft, the side surface of the inserting transverse plate is provided with a transverse plate bottom groove, the side surface of the transverse plate bottom groove is provided with a transverse plate inner groove, and the inner sides of the transverse plate bottom groove and the transverse plate inner groove are provided with movable hole adjusting shifting plates;
the adjusting rotating shaft is fixedly arranged at the bottom of the inserting transverse plate, and a plate moving rotating hole which is rotationally sleeved outside the adjusting rotating shaft is formed in the surface of the hole adjusting moving plate;
the movable plate driving screw is arranged in the cavity of the inner groove of the transverse plate, one end of the movable plate driving screw penetrates through the inserted transverse plate to extend outwards to form a rotating handle, the movable plate driving screw outside meshing sleeve extending into the inner side of the inner groove of the transverse plate is provided with a movable sleeve part, the surface of the movable sleeve part is fixedly provided with an embedded sliding block, and one end of the hole adjusting movable plate, which is close to the movable plate driving screw, is provided with a movable plate side sliding groove in sliding fit with the embedded sliding block.
Further, the end face of the connecting shaft of the transverse plate extending into the interior of the inserting plate is fixedly provided with a shaft body tooth block, the surface of the inserting plate is rotationally connected with an adjusting block, one end of the adjusting block extending into the interior of the inserting plate is fixedly provided with an adjusting screw rod, an adjusting screw sleeve is arranged on an outer meshing sleeve of the adjusting screw rod, the front end of the adjusting screw sleeve is fixedly provided with a movable push rod through a supporting rod, and two ends of the movable push rod are fixedly provided with push rod side blocks which are distributed at intervals.
Further, the movable push rod is arranged between the two groups of shaft body tooth blocks, and adjacent teeth of the push rod side blocks and the shaft body tooth blocks are distributed in a staggered manner.
Further, a bottom inserting rod is fixedly arranged on the bottom surface of the inserting transverse plate, a plate moving top groove is formed in the upper end of the hole adjusting plate, and the bottom of the bottom inserting rod slides in the groove of the plate moving top groove.
Further, one side of the board moving top groove is provided with a scale bar, and the side surface of the inner hole of the functional ring board is fixedly provided with an extension ring board extending to one side of the inserting transverse board.
Further, the end of the aggregate bin and the end of the guide bin are connected with guide pipe parts, and the front end openings of the two groups of guide pipe parts are arc-shaped and extend into the holes of the functional annular plate.
Further, the outer wall of the functional annular plate is fixedly provided with driving tooth block parts distributed in an annular array, the surface of the positioning annular sleeve is fixedly provided with a motor, and the output end of the motor is connected with a driving tooth roller matched with the driving tooth block parts.
Further, the mounting holes are distributed in a plurality of groups along the surface annular array of the functional annular plate, and the bottom of the mounting protruding block extending into the inner side of the mounting hole is provided with a protruding block bottom hole.
Further, the surface of function annular plate has seted up annular plate groove portion, and vertical sliding connection has the holding rod that pushes down in the annular plate groove portion, and the chamber bottom of annular plate groove portion has set firmly spring portion, and the bottom of spring portion links to each other with the holding rod that pushes down, and the top of pushing down the holding rod has set firmly the location inserted bar, and the surface of location inserted bar is equipped with inserted bar slope portion.
A method for evaluating the selectivity of coal,
S1, pouring coal gangue particles into a feeding bin opening in batches, filtering the particle size by a filtering sieve plate arranged in the feeding bin opening, enabling the filtered coal gangue particles to fall into a collecting bin, enabling the coal gangue particles above the filtering sieve plate to fall into a guide bin after being reduced in a reducing device, and enabling the coal gangue particles to be concentrated and distributed on the inner sides of two groups of functional annular plates through two groups of guide pipe parts.
S2, a plurality of groups of inserting transverse plates are annularly arranged on the side face of the functional annular plate, two groups of inserting transverse plates are arranged at intervals, coal gangue particles move along the inclined planes of the inserting transverse plates and the hole-adjusting moving plates, gaps between the two groups of inserting transverse plates can be adjusted by the extending positions of the hole-adjusting moving plates, different sizes of the coal gangue particles fall into different positions of the hole-adjusting moving plates, and therefore coal gangue particles with different particle sizes are distributed in an arrayed mode, and the coal gangue particles penetrating through gaps of the hole-adjusting moving plates move towards a data acquisition device on a conveyor belt.
S3, uniformly distributing coal gangue particles in a step size on the conveyor belt part, and not laminating up and down, and collecting data of the uniformly distributed coal gangue particles by the data collecting device.
S4, the coal gangue particles reach the tail end of the conveyor belt part after data acquisition is carried out by the data acquisition device, and sampling and acquisition are carried out on the coal gangue particles by the sampling equipment.
The invention has the following beneficial effects:
According to the invention, before coal gangue particles fall into the conveyor belt part, a plurality of groups of inserting transverse plates are annularly arranged on the side surface of the functional annular plate, gaps are reserved between two adjacent groups of inserting transverse plates, hole adjusting moving plates which can outwards extend out are arranged on the side surface of each group of inserting transverse plates, and along with the extending of the hole adjusting moving plates, the gaps between the two groups of hole adjusting moving plates are changed into trapezoid hole shapes from rectangular hole shapes, so that the coal gangue particles moving along the surfaces of the hole adjusting moving plates fall along the trapezoid gaps, and the coal gangue particles with different particle sizes fall into different positions of the trapezoid holes, thereby realizing that the coal gangue particles fall into the conveyor belt part in the ladder positions, ensuring that the coal gangue particles are distributed more uniformly and reasonably, facilitating subsequent sampling, simultaneously ensuring that the coal gangue particles are not easy to be stacked up and down, improving the accuracy of subsequent coal gangue particle sampling and data acquisition, and reducing the result error of coal selectivity.
According to the invention, the motor drives the functional annular plate to rotate, so that the whole functional annular plate and the inserting transverse plates form a shaftless cylindrical structure, the screening capability of coal gangue particles is realized, the distribution positions of two adjacent groups of inserting transverse plates can be adjusted according to the actual size of the coal gangue particles, meanwhile, the use angles of the inserting transverse plates can be adjusted, the oppositely distributed hole-adjusting moving plates can be distributed in the same straight line, the extraction angles of the hole-adjusting moving plates can be extracted and adjusted according to the actual size of the coal gangue particles, the stronger practical operation adjustable capability is realized, and the application range is wider.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and that other 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 present invention;
FIG. 2 is a cross-sectional view of a screen bin of the present invention;
FIG. 3 is a view of the functional ring plate of the present invention;
FIG. 4 is an enlarged view of the invention at the point of insertion of the cross plate;
FIG. 5 is a schematic view of the joint of the insertion transverse plate and the insertion plate according to the present invention;
FIG. 6 is a schematic diagram of the structure of the adjusting block of the present invention;
FIG. 7 is a schematic view of the connection between the mounting board and the mounting bump;
FIG. 8 is a split view of an insert transverse plate and an orifice plate according to the present invention;
FIG. 9 shows a cross plate according to the present invention a schematic diagram of the structure of the inner groove;
FIG. 10 is a view showing the separation of the insertion projection and the positioning insertion rod according to the present invention.
In the drawings, the list of components represented by the various numbers is as follows:
1. Screening bin, 2, feeding bin opening, 3, filtering screen plate, 4, shrinkage device, 5, collecting bin, 6, conveying bin, 7, guide bin, 8, guide tube part, 9, function annular plate, 10, positioning annular sleeve, 11, surrounding fixed plate, 12, mounting hole, 13, mounting transverse plate, 14, mounting plate, 15, transverse plate connecting shaft, 16, adjusting hole moving plate, 17, adjusting rotating shaft, 18, driving tooth block part, 19, driving tooth roller, 20, extending annular plate, 21, adjusting block, 22, adjusting screw, 23, adjusting screw sleeve, 24, shaft body tooth block, 25, moving push rod, 26, push rod side block, 28, moving plate driving screw, 29, transverse plate bottom slot, 30, transverse plate inner slot, 31, moving sleeve part, 32, pressing holding rod, 33, moving plate rotating hole, 34, annular plate slot part, 35, sliding block, 36, moving plate side slot, 37, bottom slot, 38, moving plate top slot, 39, adjusting screw rod, 23, adjusting screw, 23, adjusting screw sleeve, 24, shaft body tooth block, 25, moving push rod, 26, push rod side block, 28, moving sleeve part, 32, holding rod, 33, moving plate rotating hole, 34, annular plate slot part, 35, sliding slot, 37, bottom slot, 38, sliding slot, lifting rod, 38, sliding rod, lifting rod, 46, plug and sampling device.
Detailed Description
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. In the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present invention, unless explicitly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected via an intervening medium, or in communication between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art in a specific case.
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-10, the present invention is a coal selectivity evaluation device, comprising: the utility model discloses a coal particle collecting device, a filter screen plate 3 transversely arranged in a feeding bin opening 2 fixedly arranged at the top of a screening bin 1, a dividing device 4 transversely arranged in a cavity of the screening bin 1, a collecting bin 5 arranged at one side of the screening bin 1, a conveying bin 6 arranged at the front end of the collecting bin 5, a data acquisition device 45 arranged at the upper end of the conveying bin 6 and a conveying belt part 46 arranged in the cavity of the conveying bin 6, a sampling device 47 is arranged at the tail end of the conveying belt part 46, the bottom of the top of the sampling device 47 is pushed by an electric push rod to realize transverse displacement, the sampling device 47 transversely displaces at the tail end of the conveying belt part 46, coal particles falling into the conveying belt part 46 can be extracted, thereby realizing sampling work of samples, batch coal particles fall into the screening bin 1 from the feeding bin opening 2, the filter screen plate 3 intercepts the coal particles, the coal particles passing through the filter screen 3 slide into the conveying bin 5 along the bottom inclined plane of the screening bin 1, the coal particles moving along the inclined surface of the inclined filter screen plate 3 enter into the conveying bin 4, the conveying ring plate 4, the coal particles enter the annular ring plate 7 at the two sides of the inclined plane 9 are respectively arranged at the two sides of the inclined plane 9, the annular guide plates 8 and the annular guide plates are respectively arranged at the two sides of the end 9, the end 9 of the annular guide plates are respectively arranged at the end 9 and the end 9 guide plates are respectively arranged at the end of the end 9,
The side of the functional ring plate 9 is provided with annular array distribution of inserting holes 12, each group of inserting holes 12 can be adjacent to the inserting cross plate 13, the end face of the inserting cross plate 13 is provided with an inserting plate 14, the surface of the inserting plate 14 is fixedly provided with inserting convex blocks 40 which can extend into the inserting holes 12, the inserting convex blocks 40 are inserted into the inserting holes 12 at different positions, the spacing between the two adjacent groups of inserting cross plates 13 can be adjusted, after the plurality of groups of inserting cross plates 13 are installed, one side space of the functional ring plate 9 is formed into a shaftless and unsealed cylinder shape, coal gangue particles entering the inner side of the functional ring plate 9 fall onto a conveyor belt along the gaps of the two adjacent groups of inserting cross plates 13, and as the functional ring plate 9 is symmetrically distributed, the conveyor belt part 46 presents a row of coal gangue particles, and in order to uniformly and stepwise distribute the coal gangue particles on the conveyor belt part 46, the inserting cross plate 13 and the hole moving plate 16 are inclined downwards to a certain extent, the coal gangue particles move obliquely downwards along the surfaces of the inserting diaphragm 13 and the hole-adjusting moving plate 16, a diaphragm bottom groove 29 is formed on the side surface of the inserting diaphragm 13, a diaphragm inner groove 30 is formed on the groove side surface of the diaphragm bottom groove 29, the hole-adjusting moving plate 16 is arranged in the diaphragm inner groove 30, two groups of symmetrically distributed inserting diaphragms 13 are arranged on the surface of each group of inserting plates 14, an extending annular plate 20 extending towards one side of the inserting diaphragm 13 is fixedly arranged on the inner hole side surface of the functional annular plate 9, a moving plate rotating hole 33 is formed at one end of the hole-adjusting moving plate 16, an adjusting rotating shaft 17 is fixedly arranged at the bottom of the inserting diaphragm 13, the moving plate rotating hole 33 is nested outside the adjusting rotating shaft 17, the hole-adjusting moving plate 16 can rotate along the adjusting rotating shaft 17, after the hole-adjusting moving plate 16 extends outwards from the diaphragm inner groove 30, gaps between two adjacent groups of hole-adjusting moving plates 16 are changed into trapezoid holes from original rectangular holes, in this way, coal gangue particles move along the gap of the trapezoid hole, can step-down and fall onto the conveyor belt part 46, in order to realize the adjustment of the extending position of the hole-shifting plate 16, a shifting plate driving screw 28 is further installed in the transverse plate inner groove 30, one end of the shifting plate driving screw 28 passes through the inserting transverse plate 13 to extend outwards to be provided with a handle, the shifting plate driving screw 28 extending into the inner side of the transverse plate inner groove 30 is externally meshed with a shifting sleeve part 31, the surface of the shifting sleeve part 31 is fixedly provided with an embedded sliding block 35, one end of the hole-shifting plate 16 close to the shifting plate driving screw 28 is provided with a shifting plate sideslip groove 36 which is in sliding fit with the embedded sliding block 35, that is to say, the embedded sliding block 35 is in the shifting plate sideslip groove 36 in a sliding manner, along with the driving handle, the shifting plate driving screw 28 can rotate in the transverse plate inner groove 30, the embedded sliding block 35 moves radially along the surface of the shifting plate sideslip groove 36, and then the shifting plate 16 is pushed by the embedded sliding block 35 to rotate, in order to improve the rotation stability of the hole-shifting plate 16, the top bar 37 is arranged at the top end of the shifting plate 16, and the bottom of the top plate 16 is provided with an embedded sliding bar 39 which can be more accurately arranged at the bottom of the hole-shifting plate 16, and the bottom of the shifting plate 37 is arranged at the bottom of the hole-shifting plate 16, and the top plate 13 is more accurate, and the bottom of the shifting plate 37 is arranged in the position of the groove 38, and the bottom of the shifting plate 13;
the connecting part of the transverse plate connecting shaft 15 and the inserting plate 14 can rotate, the end face of the transverse plate connecting shaft 15 extending into the inserting plate 14 is fixedly provided with a shaft body tooth block 24, the surface of the inserting plate 14 is rotationally connected with an adjusting block 21, one end of the adjusting block 21 extending into the inserting plate 14 is fixedly provided with an adjusting screw rod 22, an adjusting screw sleeve 23 is sleeved outside the adjusting screw rod 22, the front end of the adjusting screw sleeve 23 is fixedly provided with a movable push rod 25 through a supporting rod, two ends of the movable push rod 25 are fixedly provided with push rod side blocks 26 which are distributed at intervals, the tail end of the adjusting block 21 is exposed downwards from the lower part of the inserting plate 14, namely, the tail end exposed through operation of the adjusting block 21 can drive the adjusting block 21 to rotate in the inserting plate 14, the adjusting screw sleeve 23 can be pushed to radially move along the surface of the adjusting screw rod 22 after An Chaban rotates, the adjusting screw sleeve 23 is connected with the movable push rod 25 through a supporting rod, the push rod side blocks 26 can push the shaft body tooth block 24 which is distributed in a staggered mode to enable the transverse plate connecting shaft 15 to rotate, and thus the transverse plate 13 and the actually used angle of the adjusting plate 16 can be adjusted, and two groups of transverse plates 13 can be independently inserted into the inserting plates 14.
The outer wall of the functional annular plate 9 is sleeved with a positioning annular sleeve 10 in a surrounding manner, the functional annular plate 9 is supported by the positioning annular sleeve 10, a motor drives a driving toothed roller 19, a driving toothed block part 18 which is matched with the driving toothed roller 19 can push the functional annular plate 9 to rotate at the inner side of the positioning annular sleeve 10, the tops of two groups of symmetrically distributed positioning annular sleeves 10 are fixedly connected through a surrounding fixing plate 11, the tops of the surrounding fixing plate 11 are fixedly arranged on the upper surface of a conveying bin 6, coal gangue particles falling from one side of a hole-adjusting moving plate 16 fall onto a conveying belt part 46, enter a data acquisition device 45 along the movement of the conveying belt part 46 for data acquisition, are discharged from the tail end of the conveying belt part 46, sample acquisition is carried out by a sampling device 47, and the inside of an annular-arranged mounting hole 12 can be combined with a mounting lug 40 fixedly arranged on the side surface of a mounting plate 14, the spacing between two adjacent groups of inserting transverse plates 13 can be greatly adjusted by inserting the inserting convex blocks 40 into the inserting holes 12 at different positions, the convex block bottom holes 41 are formed in the bottoms of the inner sides of the inserting holes 12 by inserting the inserting convex blocks 40, the annular plate groove parts 34 are formed in the surfaces of the functional annular plates 9, the downward pressing holding rods 32 are longitudinally and slidably connected in the annular plate groove parts 34, the spring parts 44 are fixedly arranged at the bottom parts of the cavities of the annular plate groove parts 34, the bottoms of the spring parts 44 are connected with the downward pressing holding rods 32, the positioning inserting rods 42 are fixedly arranged at the tops of the downward pressing holding rods 32, the inserting rod slope parts 43 are arranged on the surfaces of the positioning inserting rods 42, the inserting convex blocks 40 extend into the inserting holes 12, the slopes of the inserting rod slope parts 43 are pressed down by the front ends of the inserting convex blocks 40, when the convex block bottom holes 41 reach the positions right above the positioning inserting rods 42, the positioning inserting rods 42 are driven by the elasticity of the spring parts 44 to move the positioning inserting rods 42 upwards, the tops of the positioning inserting rods 42 are clamped into the convex block bottom holes 41, the installation of the position of the mounting board 14 is completed.
S1, pouring coal gangue particles into a feeding bin opening 2 in batches, filtering the particles by a filtering sieve plate 3 arranged in the feeding bin opening 2, enabling the filtered coal gangue particles to fall into a collecting bin 5, enabling the coal gangue particles above the filtering sieve plate 3 to enter a dividing device 4 for dividing, then fall into a guide bin 7, and enabling the coal gangue particles to be concentrated and distributed on the inner sides of two groups of functional annular plates 9 through two groups of guide pipe parts 8.
S2, a plurality of groups of inserting transverse plates 13 are annularly arranged on the side face of the functional annular plate 9, two groups of inserting transverse plates 13 are arranged at intervals, coal gangue particles move along inclined planes of the inserting transverse plates 13 and the hole adjusting moving plates 16, gaps between the two groups of inserting transverse plates 13 can be adjusted by the extending positions of the hole adjusting moving plates 16, different sizes of the coal gangue particles fall into different positions of the hole adjusting moving plates 16, and therefore coal gangue particles with different particle sizes are distributed in an arrayed mode, and the coal gangue particles passing through the gaps of the hole adjusting moving plates 16 move towards the data acquisition device 45 on the conveyor belt part 46.
S3, coal gangue particles are uniformly distributed in steps on the conveyor belt part 46, vertical lamination does not occur, data acquisition is carried out on the uniformly distributed coal gangue particles by the data acquisition device 45, the data acquisition device 45 adopts an X-ray, visible light camera and depth camera acquisition area to obtain shape profile and transmittance data of each coal particle, a density composition measurement scheme and a granularity composition measurement scheme are adopted, and various sorting index prediction values such as a selectivity curve drawing and a selectivity value are carried out by combining existing developed and ready-made programs, so that a graph and related values are directly output.
S4, the coal gangue particles reach the tail end of the conveyor belt part 46 after data acquisition by the data acquisition device 45, and the sampling equipment 47 samples and acquires the coal gangue particles.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.