CN110030810B - Energy-saving and environment-friendly coal slime dryer and use method thereof - Google Patents

Energy-saving and environment-friendly coal slime dryer and use method thereof Download PDF

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Publication number
CN110030810B
CN110030810B CN201910312077.5A CN201910312077A CN110030810B CN 110030810 B CN110030810 B CN 110030810B CN 201910312077 A CN201910312077 A CN 201910312077A CN 110030810 B CN110030810 B CN 110030810B
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roller
fixed
plate
limiting
supporting
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CN110030810A (en
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陆芳琴
刘令云
闵凡飞
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Anhui University of Science and Technology
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Anhui University of Science and Technology
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/04—Stationary flat screens
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/28—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
    • B07B1/34—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens jigging or moving to-and-fro perpendicularly or approximately perpendiculary to the plane of the screen
    • B07B1/343—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens jigging or moving to-and-fro perpendicularly or approximately perpendiculary to the plane of the screen with mechanical drive elements other than electromagnets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B9/00—Combinations of apparatus for screening or sifting or for separating solids from solids using gas currents; General arrangement of plant, e.g. flow sheets
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B11/00—Machines or apparatus for drying solid materials or objects with movement which is non-progressive
    • F26B11/02—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in moving drums or other mainly-closed receptacles
    • F26B11/022—Arrangements of drives, bearings, supports
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B11/00—Machines or apparatus for drying solid materials or objects with movement which is non-progressive
    • F26B11/02—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in moving drums or other mainly-closed receptacles
    • F26B11/04—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in moving drums or other mainly-closed receptacles rotating about a horizontal or slightly-inclined axis
    • F26B11/0463—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in moving drums or other mainly-closed receptacles rotating about a horizontal or slightly-inclined axis having internal elements, e.g. which are being moved or rotated by means other than the rotating drum wall
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
    • F26B25/001—Handling, e.g. loading or unloading arrangements
    • F26B25/002—Handling, e.g. loading or unloading arrangements for bulk goods
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
    • F26B25/02—Applications of driving mechanisms, not covered by another subclass

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Drying Of Solid Materials (AREA)

Abstract

The invention discloses an energy-saving environment-friendly coal slime dryer and a using method thereof. An air inlet mechanism is arranged at one side end of the roller, and a feeding mechanism is fixed at the top of one end of the roller. The welding of cylinder inner wall one end has the fixed disk, and the fixed disk intermediate position rotates and is equipped with drainage mechanism, and drainage mechanism includes the drainage pole, and drainage pole one end is equipped with first limiting plate, and the drainage pole other end is equipped with the second limiting plate. The side end of the second limiting plate is provided with an air outlet pipe connected to the tail gas treatment equipment. The bottom of the roller is provided with a discharging mechanism which is distributed in parallel, and the discharging mechanism is arranged under the spiral diversion paddle. The invention can obtain materials with smaller granularity by the transmission of the third gear and the rack and the action of gravity and the spiral feeding paddle, and finally realizes the purpose of screening in the roller.

Description

Energy-saving and environment-friendly coal slime dryer and use method thereof
Technical Field
The invention relates to the field of coal slime drying, in particular to an energy-saving and environment-friendly coal slime dryer and a using method thereof.
Background
The coal slime is a byproduct generated in the coal washing process of a coal preparation plant, has the characteristics of high moisture content, high viscosity, high water retention and the like, is difficult to realize industrial application, is mostly used for coal slime boiler combustion power generation and the like, and needs to be dried firstly to avoid the coal slime from bringing excessive moisture into the boiler, and then enters the boiler together with other raw material coal for combustion, so that the production efficiency is improved.
In the prior art, equipment used for drying the coal slime has large volume, heavy weight and large occupied area, so that investment cost of factory buildings and infrastructure is high, and small-scale production cannot be met. Meanwhile, the structure of the interior of the dryer in the existing equipment is complicated, the materials are easily discharged and accumulated, the materials can be discharged only once, but the calorific values of the coal slime with different particle sizes generated during combustion are different, inconvenience is brought to subsequent coal slime combustion, and material waste is possibly caused with high possibility. If the materials are screened after being discharged, the screening difficulty is greatly improved, the working efficiency is reduced, and the energy-saving and environment-friendly coal slime drying machine and the using method thereof are provided.
Disclosure of Invention
The invention aims to provide an energy-saving environment-friendly coal slime dryer and a using method thereof, when the dryer is designed, a roller is arranged to be inclined, dried materials can move from one end to the other end in the roller under the action of gravity and a spiral guiding paddle, a plurality of discharging mechanisms are arranged at the bottom end of the roller, a second sieve plate in each discharging mechanism can sieve and remove larger materials to prevent the larger materials from falling, when the second sieve plate is completely blocked, the materials on the second sieve plate can be driven into the roller through the transmission of a third gear and a rack, the larger materials continue to move towards one end under the action of gravity and the spiral guiding paddle, the smaller materials can smoothly fall from the second sieve plate, the operation is repeated, the smaller materials can be obtained, meanwhile, the larger materials are left in the roller to continue to be dried and scattered next time, and finally the purpose of sieving in the roller is realized, secondary operation is avoided;
meanwhile, the invention has simple structure, small volume, light weight and small occupied area, reduces the manufacturing cost, is suitable for small-scale production and has good popularization practicability.
The purpose of the invention can be realized by the following technical scheme:
the utility model provides an energy-concerving and environment-protective type coal slime desiccator, includes the cylinder that the slope set up, the cylinder bottom is equipped with actuating mechanism and sets up the stop gear between actuating mechanism.
The air inlet mechanism is arranged at one side end of the roller and communicated with the roller, the air inlet mechanism comprises an air inlet pipe which is welded and fixed at the side end of the roller and communicated with the roller, an unsealed end cover is arranged at the side end of the air inlet pipe, and a connecting pipe connected to air inlet equipment is arranged at the side end of the end cover.
The top of one end of the roller is fixed with a feeding mechanism, one end of the inner wall of the roller is welded with a fixed disc, the middle position of the fixed disc is provided with a limiting hole, and a drainage mechanism is rotationally arranged in the limiting hole.
Drainage mechanism is including running through the drainage pole of cylinder bottom lateral wall and spacing downthehole wall respectively, and welded fastening has the spiral drainage oar of parallel distribution's intermittent type formula on the drainage pole, and spiral drainage oar and the tangent distribution of cylinder inner wall, drainage pole one end are equipped with first limiting plate, and first limiting plate side and fixed disk lateral wall rotate the laminating, and the drainage pole other end is equipped with rotates the second limiting plate that the laminating set up with cylinder bottom lateral wall.
And an air outlet pipe connected to the tail gas treatment equipment is arranged at the side end of the second limiting plate, and a limiting bottom plate is arranged at one end of the air outlet pipe.
And the collision pieces distributed in an array are welded and fixed between the inner wall of the roller and the spiral diversion paddle, the collision pieces are symmetrical Y-shaped, and the two sides of the upper end of each collision piece are respectively welded and fixed with collision plates distributed in an array.
The bottom of the roller is provided with a discharging mechanism which is distributed in parallel, the discharging mechanism is arranged under the spiral diversion paddle, the discharging mechanism comprises a discharging pipe which is fixed with the roller in a communicating manner, the bottom end of the inner wall of the discharging pipe is fixed with an annular supporting plate, and a bottom cover is fixed on the annular supporting plate through a bolt.
Further, actuating mechanism includes first support frame, and first support frame bottom mounting has the hoof foot, and first support frame upper end is equipped with parallel distribution's first backup pad, and the first backup pad side is fixed with servo motor, and the driving shaft that the servo motor output set up runs through to rotate and sets up between first backup pad, all welded fastening has first gear on the driving shaft, and the central point of first gear puts and the concentric distribution of driving shaft, and the meshing is provided with the second gear of fixing on the cylinder between the first gear.
Further, stop gear includes the second support frame, and the second support frame bottom is fixed with the hoof foot, and second support frame upper end is equipped with parallel distribution's second backup pad, and equal welded fastening has the bracing piece between the second backup pad, rotates on the bracing piece to be equipped with the roll body, and the roll body both sides all is fixed with spacing dish, is equipped with between the spacing dish with the tangent and welded fastening's of roll body annular rand on the cylinder.
Furthermore, a snap ring which is in seal movable fit with the inner wall of the air inlet pipe is arranged at one end of the connecting pipe, and an annular clamping groove matched with the end cover is formed in the snap ring.
Further, feed mechanism includes the inlet pipe fixed with the cylinder intercommunication, and inlet pipe inner wall welded fastening has first sieve, and first sieve upper end, inlet pipe inner wall are fixed with the support rand, have the apron through the bolt fastening on the support rand.
Further, the second limiting plate side is opened the arc that has the array distribution and is led to the groove, and the arc leads to the hole intercommunication setting of seting up on groove and the cylinder lateral wall, and the arc leads to and opens the circular blind hole that has with outlet duct looks adaptation between the groove, and circular blind hole medial extremity is opened the toroidal cavity who has with limiting bottom plate looks adaptation, and the outlet duct rotates the inside that sets up at the second limiting plate, and the second limiting plate lateral wall is opened there is the mounting hole of being convenient for fix the second limiting plate on the cylinder lateral wall through the bolt.
Furthermore, the side wall of the discharge pipe is provided with a rectangular groove, the two ends of the rectangular groove and the side wall of the discharge pipe are provided with symmetrically distributed supporting side plates, and a supporting shaft is rotatably arranged between the supporting side plates;
the back shaft both ends all are equipped with the spacing ring of rotation laminating at the support curb plate both ends, and the spacing ring outer wall is equipped with the external screw thread, and threaded connection has fastening nut on the spacing ring, and spacing ring one end is fixed with the rotation handle.
Furthermore, a third gear is fixed on the supporting shaft, a rack which is meshed with the third gear for transmission is matched and moves in the rectangular groove, a connecting rod is arranged at one end of the rack, and a second sieve plate which is in up-and-down sliding fit with the discharge pipe is fixed on the connecting rod.
An application method of an energy-saving environment-friendly coal slime dryer comprises the following steps:
firstly, after coal slime to be dried is put into a feeding mechanism, a cover plate on the feeding mechanism and a bottom cover on a discharging mechanism are closed, then hot air is introduced into a connecting pipe, and two servo motors are driven to enable a roller to rotate;
after drying is finished, the servo motor is closed, so that the bottom end of a discharge pipe on the discharge mechanism faces downwards when the roller is stopped, and at the moment, the material in the roller is dried;
thirdly, opening a bottom cover on the discharging mechanism, rotating a second limiting plate and simultaneously driving a rotating handle to enable a second sieve plate to move downwards, directly discharging the materials at the position of the spiral diversion paddle from the second sieve plate in the discharging mechanism, moving the materials between the impact pieces to one end of the roller under the action of gravity, discharging the moved materials from the second sieve plate after the moved materials fall into the discharging mechanism, blocking a small number of larger materials on the second sieve plate, and incompletely discharging the materials between the impact pieces;
fourth, the handle is rotated in the drive, upwards drives the material of jam on the second sieve to spiral drainage oar can be with its drainage to the one end of striking the piece, and the material that is located the striking piece other end moves under the action of gravity and then discharges in falling into discharge mechanism and following the second sieve, and the material jam that a small number is great is on the second sieve, so relapse, until discharging less material completely, great material leaves to continue the next time to break up and dry.
The invention has the beneficial effects that:
1. when the rotary drum is designed, the rotary drum is inclined, the dried materials can move from one end to the other end in the rotary drum under the action of gravity and the spiral guiding paddles, the bottom end of the rotary drum is provided with a plurality of discharging mechanisms, a second sieve plate in each discharging mechanism can sieve and remove larger materials and prevent the larger materials from falling down, when the second sieve plate is completely blocked, the materials on the second sieve plate can be driven into the rotary drum through the transmission of a third gear and a rack, the larger materials continue to move towards one end under the action of the gravity and the spiral guiding paddles, the smaller materials can smoothly fall down from the second sieve plate, the operation is repeated, the materials with smaller particle size can be obtained, meanwhile, the larger materials are left in the rotary drum and continue to be dried and scattered next time, the purpose of sieving is finally realized in the rotary drum, and the secondary operation is avoided;
2. according to the invention, the impact piece is arranged in the roller, the impact piece is in a symmetrical Y shape, the impact plates are fixedly welded on the two sides of the upper end of the impact piece, when the roller rotates forwards or backwards, the impact plates can impact and break up coal slime, the drying efficiency is improved, when the impact plate on one side is seriously worn, the roller rotates backwards, the impact plate on the other side can continue to impact and break up, and the service life is prolonged;
3. the invention has simple structure, small volume, light weight and small occupied area, reduces the manufacturing cost, saves resources, is suitable for small-scale production and has good popularization practicability.
Drawings
The invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an exploded view of a portion of the drive mechanism of the present invention;
FIG. 3 is a schematic view of a spacing mechanism of the present invention;
FIG. 4 is an exploded view of the air intake mechanism of the present invention;
FIG. 5 is a schematic cross-sectional view of the overall structure of the present invention;
FIG. 6 is a schematic view of a feed mechanism of the present invention;
FIG. 7 is a schematic structural view of a fixing disk of the present invention;
FIG. 8 is a schematic view of the drainage mechanism of the present invention;
FIG. 9 is an exploded view of a second restriction plate and outlet duct according to the present invention;
FIG. 10 is a schematic view of a striker of the present invention;
FIG. 11 is a schematic view of the discharge mechanism of the present invention;
FIG. 12 is a schematic view of the discharge mechanism of the present invention;
FIG. 13 is a partial structural schematic view of the discharging mechanism of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "opening," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like are used in an orientation or positional relationship that is merely for convenience in describing and simplifying the description, and do not indicate or imply that the referenced component or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present invention.
An energy-saving and environment-friendly coal slime dryer is shown in figure 1 and comprises a roller 1 which is obliquely arranged, wherein the bottom end of the roller 1 is provided with a driving mechanism 2 and a limiting mechanism 3 which is arranged between the driving mechanism 2.
As shown in fig. 2, the driving mechanism 2 includes a first supporting frame 21, a shoe 22 is fixed at the bottom end of the first supporting frame 21, first supporting plates 2101 distributed in parallel are arranged at the upper end of the first supporting frame 21, a servo motor 23 is fixed at the side end of the first supporting plates 2101, a driving shaft 2301 arranged at the output end of the servo motor 23 is rotatably arranged between the first supporting plates 2101, first gears 24 are welded and fixed on the driving shaft 2301, and the center positions of the first gears 24 are concentrically distributed with the driving shaft 2301. The second gear 25 fixed on the roller 1 is meshed between the first gears 24, the two servo motors 23 are driven simultaneously, the driving directions of the servo motors 23 are the same, and the roller 1 rotates under the condition that the first gears 24 drive the second gears 25 to rotate.
As shown in fig. 3, the limiting mechanism 3 includes a second support frame 31, the bottom end of the second support frame 31 is fixed with the shoe 22, the upper end of the second support frame 31 is provided with a second support plate 3101 which is distributed in parallel, a support rod 32 is welded and fixed between the second support plate 3101, a roller body 33 is arranged on the support rod 32 in a rotating manner, two side ends of the roller body 33 are fixed with limiting discs 3301, an annular retainer ring 34 which is tangent to the roller body 33 and is welded and fixed on the roller 1 is arranged between the limiting discs 3301, and when the roller 1 rotates, the annular retainer ring 34 and the roller body 33 are matched to enable the roller 1 not to move.
As shown in fig. 1 and 4, an air intake mechanism 4 communicated with the drum 1 is arranged at one side end of the drum 1, the air intake mechanism 4 comprises an air intake pipe 41 welded and fixed at the side end of the drum 1 and communicated with the drum 1, an unclosed end cover 4101 is arranged at the side end of the air intake pipe 41, a connecting pipe 42 connected to an air intake device is arranged at the side end of the end cover 4101, a snap ring 4201 hermetically and movably matched with the inner wall of the air intake pipe 41 is arranged at one end of the connecting pipe 42, an annular snap groove 4202 matched with the end cover 4101 is arranged on the snap ring 4201, and when the drum 1 drives the air intake pipe 41 to rotate, the connecting pipe 42 is.
As shown in fig. 5 and 6, a feeding mechanism 5 is fixed at the top of one end of the roller 1, the feeding mechanism 5 comprises a feeding pipe 51 fixedly communicated with the roller 1, a first sieve plate 5101 is fixedly welded on the inner wall of the feeding pipe 51, so that coal blocks with overlarge volume can be screened, a supporting collar 52 is fixed at the upper end of the first sieve plate 5101 and on the inner wall of the feeding pipe 51, a cover plate 53 is fixed on the supporting collar 52 through bolts, and when the roller 1 rotates, the cover plate 53 is fixed to prevent coal slime from being thrown out.
As shown in fig. 5 and 7, a fixed disk 11 is welded at one end of the inner wall of the roller 1, a limiting hole 1101 is formed in the middle of the fixed disk 11, and a drainage mechanism 6 is rotatably arranged in the limiting hole 1101.
As shown in fig. 5 and 8, the drainage mechanism 6 includes a drainage rod 61 respectively penetrating through the side wall of the bottom end of the drum 1 and the inner wall of the limiting hole 1101, intermittent spiral drainage paddles 62 distributed in parallel are welded and fixed on the drainage rod 61, and the spiral drainage paddles 62 are distributed in tangent with the inner wall of the drum 1. Drainage pole 61 one end is equipped with first limiting plate 63, and the laminating is rotated to first limiting plate 63 side and 11 lateral walls of fixed disk, and the drainage pole 61 other end is equipped with rotates the second limiting plate 64 that the laminating set up with 1 bottom lateral wall of cylinder, and through rotating second limiting plate 64, spiral drainage oar 62 rotates and to be followed one end drainage to the other end with the coal slime in the cylinder 1.
As shown in fig. 5 and 9, an outlet pipe 7 connected to the exhaust gas treatment device is arranged at the side end of the second limiting plate 64, and a limiting bottom plate 71 is arranged at one end of the outlet pipe 7. The side end of the second limit plate 64 is provided with arc through grooves 6401 distributed in an array manner, and the arc through grooves 6401 are communicated with inner holes formed in the side wall of the roller 1, so that exhaust gas can be discharged conveniently. A round blind hole 6402 matched with the air outlet pipe 7 is formed between the arc-shaped through grooves 6401, an annular cavity 6403 matched with the limit bottom plate 71 is formed at the inner side end of the round blind hole 6402, and the air outlet pipe 7 is rotatably arranged inside the second limit plate 64. The side wall of the second limit plate 64 is provided with a mounting hole 6404 which is convenient for fixing the second limit plate 64 on the side wall of the roller 1 through a bolt, and when the roller 1 drives the second limit plate 64 to rotate, the air outlet pipe 7 is fixed and arranged in a rotating way with the second limit plate 64.
As shown in fig. 5 and 10, the impact members 12 distributed in an array are welded and fixed between the inner wall of the drum 1 and the spiral diversion paddles 62, the impact members 12 are symmetrical Y-shaped, the impact plates 1201 distributed in an array are welded and fixed on both sides of the upper end of the impact member 12, when the drum 1 rotates forwards or backwards, the impact plates 1201 can impact and break up the coal slime, the drying efficiency is improved, when the impact plate 1201 on one side is seriously worn, the drum 1 rotates backwards, and the impact plate 1201 on the other side can continue to impact and break up.
As shown in fig. 5 and 11, the bottom of the roller 1 is provided with the discharging mechanisms 8 distributed in parallel, and the discharging mechanisms 8 are arranged right below the spiral diversion paddles 62. The discharging mechanism 8 comprises a discharging pipe 81 which is communicated and fixed with the roller 1, and the bottom end of the discharging pipe 81 can be externally connected with a longer pipeline, so that discharging is facilitated. An annular supporting plate 8101 is fixed to the bottom end of the inner wall of the discharging pipe 81, a bottom cover 82 is fixed to the annular supporting plate 8101 through bolts, and when the discharging mechanism 8 rotates along with the roller 1, coal slime is prevented from being thrown out. The side wall of the discharge pipe 81 is provided with a rectangular groove 8102, the two ends of the rectangular groove 8102 and the side wall of the discharge pipe 81 are provided with symmetrically distributed supporting side plates 83, and a supporting shaft 8301 is rotatably arranged between the supporting side plates 83.
As shown in fig. 12 and 13, the two ends of the supporting shaft 8301 are respectively provided with a limiting ring 8302 which is rotatably attached to the two ends of the supporting side plate 83, the outer wall of the limiting ring 8302 is provided with an external thread, the limiting ring 8302 is connected with a fastening nut 8303 through a thread, and when the fastening nut 8303 is in thread fit with the limiting ring 8302 and is screwed up to be arranged on the side wall of the supporting side plate 83, the supporting shaft 8301 cannot rotate. A rotating handle 8304 is fixed at one end of the limiting ring 8302, so that the supporting shaft 8301 can be conveniently operated manually to rotate.
The supporting shaft 8301 is fixedly provided with a third gear 84, a rack 85 which is in meshing transmission with the third gear 84 is matched and movable in the rectangular groove 8102, one end of the rack 85 is provided with a connecting rod 8501, a second sieve plate 86 which is in up-and-down sliding fit with the discharging pipe 81 is fixed on the connecting rod 8501, and the third gear 84 drives the rack 85 to move up and down through driving the rotating handle 8304 so as to drive the second sieve plate 86 to move up and down in the discharging pipe 81.
The use method of the energy-saving environment-friendly coal slime dryer comprises the following steps;
firstly, after coal slime to be dried is put into the feeding mechanism 5, a cover plate 53 on the feeding mechanism 5 and a bottom cover 82 on the discharging mechanism 8 are closed, then hot air is introduced into the connecting pipe 42, and the two servo motors 23 are driven simultaneously to enable the roller 1 to rotate;
secondly, after drying is finished, the servo motor 23 is closed, so that the bottom end of a discharge pipe 81 on the discharge mechanism 8 is downward when the roller 1 is stopped, and at the moment, the material in the roller 1 is dried;
thirdly, the bottom cover 82 on the discharging mechanism 8 is opened, the second limiting plate 64 is rotated and the rotating handle 8304 is driven at the same time, so that the second sieve plate 86 is displaced downwards, the materials at the position of the spiral diversion paddle 62 are directly discharged from the second sieve plate 86 in the discharging mechanism 8, the materials between the impact pieces 12 move to one end of the roller 1 under the action of gravity, the moved materials fall into the discharging mechanism 8 and then are discharged from the second sieve plate 86, a small number of larger materials are blocked on the second sieve plate 86, and the materials between the impact pieces 12 are not completely discharged at this time;
fourthly, the handle 8304 is rotated in the drive, the material that will block up on second sieve 86 upwards drives to spiral drainage oar 62 can be with its drainage to the one end of striking piece 12, the material that is located the striking piece 12 other end moves under the action of gravity and then discharges in falling into discharge mechanism 8 and then follow second sieve 86, a small number of great material blocks up on second sieve 86, so relapse, until discharging less material completely, great material leaves to continue the next time to break up and dry.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed.

Claims (5)

1. An energy-saving environment-friendly coal slime dryer comprises obliquely arranged rollers (1), and is characterized in that the bottom ends of the rollers (1) are provided with driving mechanisms (2) and limiting mechanisms (3) arranged between the driving mechanisms (2);
an air inlet mechanism (4) communicated with the roller (1) is arranged at one side end of the roller (1), the air inlet mechanism (4) comprises an air inlet pipe (41) which is fixedly welded at the side end of the roller (1) and communicated with the roller (1), an unsealed end cover (4101) is arranged at the side end of the air inlet pipe (41), a connecting pipe (42) connected to an air inlet device is arranged at the side end of the end cover (4101), a clamping ring (4201) which is in seal movable fit with the inner wall of the air inlet pipe (41) is arranged at one end of the connecting pipe (42), and an annular clamping groove (4202) matched with the end cover (4101) is formed in the clamping ring (4201);
a feeding mechanism (5) is fixed at the top of one end of the roller (1), a fixed disc (11) is welded at one end of the inner wall of the roller (1), a limiting hole (1101) is formed in the middle of the fixed disc (11), and a drainage mechanism (6) is rotatably arranged in the limiting hole (1101);
the drainage mechanism (6) comprises a drainage rod (61) which penetrates through the side wall of the bottom end of the roller (1) and the inner wall of the limiting hole (1101) respectively, intermittent spiral drainage paddles (62) which are distributed in parallel are fixedly welded on the drainage rod (61), the spiral drainage paddles (62) and the inner wall of the roller (1) are distributed in a tangent mode, one end of the drainage rod (61) is provided with a first limiting plate (63), the side end of the first limiting plate (63) is rotationally attached to the side wall of the fixed disc (11), and the other end of the drainage rod (61) is provided with a second limiting plate (64) which is rotationally attached to the side wall of the bottom end of the roller (1;
the side end of the second limiting plate (64) is provided with arc-shaped through grooves (6401) distributed in an array manner, the arc-shaped through grooves (6401) are communicated with inner holes formed in the side wall of the roller (1), circular blind holes (6402) matched with the air outlet pipe (7) are formed between the arc-shaped through grooves (6401), the inner side end of each circular blind hole (6402) is provided with an annular cavity (6403) matched with the limiting bottom plate (71), the air outlet pipe (7) is rotatably arranged inside the second limiting plate (64), and the side wall of the second limiting plate (64) is provided with mounting holes (6404) for fixing the second limiting plate (64) on the side wall of the roller (1) through bolts;
an air outlet pipe (7) connected to the tail gas treatment equipment is arranged at the side end of the second limiting plate (64), and a limiting bottom plate (71) is arranged at one end of the air outlet pipe (7);
collision pieces (12) distributed in an array are welded and fixed between the inner wall of the roller (1) and the spiral diversion paddles (62), the collision pieces (12) are in a symmetrical Y shape, and collision plates (1201) distributed in an array are welded and fixed on two sides of the upper end of each collision piece (12);
the bottom of the roller (1) is provided with parallel discharge mechanisms (8), the discharge mechanisms (8) are arranged under the spiral diversion paddles (62), each discharge mechanism (8) comprises a discharge pipe (81) which is fixedly communicated with the roller (1), the bottom end of the inner wall of each discharge pipe (81) is fixedly provided with an annular supporting plate (8101), and the annular supporting plate (8101) is fixedly provided with a bottom cover (82) through bolts;
the side wall of the discharge pipe (81) is provided with a rectangular groove (8102), two ends of the rectangular groove (8102) and the side wall of the discharge pipe (81) are provided with symmetrically distributed supporting side plates (83), and a supporting shaft (8301) is rotatably arranged between the supporting side plates (83);
both ends of the supporting shaft (8301) are provided with limiting rings (8302) which are rotatably attached to both ends of the supporting side plate (83), the outer wall of each limiting ring (8302) is provided with an external thread, the limiting rings (8302) are in threaded connection with fastening nuts (8303), and one end of each limiting ring (8302) is fixed with a rotating handle (8304);
a third gear (84) is fixed on the supporting shaft (8301), a rack (85) which is meshed with the third gear (84) for transmission is adapted and movable in the rectangular groove (8102), one end of the rack (85) is provided with a connecting rod (8501), and a second sieve plate (86) which is in up-and-down sliding fit with the discharge pipe (81) is fixed on the connecting rod (8501).
2. The energy-saving and environment-friendly coal slime drying machine as claimed in claim 1, wherein the driving mechanism (2) comprises a first support frame (21), shoe feet (22) are fixed at the bottom end of the first support frame (21), first support plates (2101) are arranged at the upper end of the first support frame (21) and distributed in parallel, a servo motor (23) is fixed at the side end of each first support plate (2101), a driving shaft (2301) arranged at the output end of the servo motor (23) is arranged between the first support plates (2101) in a penetrating and rotating manner, first gears (24) are welded and fixed on the driving shaft (2301), the center position of each first gear (24) and the driving shaft (2301) are distributed concentrically, and a second gear (25) fixed on the drum (1) is arranged between the first gears (24) in a meshing manner.
3. The energy-saving and environment-friendly coal slime drying machine as claimed in claim 1, wherein the limiting mechanism (3) comprises a second supporting frame (31), shoe feet (22) are fixed at the bottom end of the second supporting frame (31), second supporting plates (3101) which are distributed in parallel are arranged at the upper end of the second supporting frame (31), supporting rods (32) are welded and fixed between the second supporting plates (3101), a roller body (33) is arranged on each supporting rod (32) in a rotating manner, limiting discs (3301) are fixed at both side ends of the roller body (33), and an annular retainer ring (34) which is tangent to the roller body (33) and is welded and fixed on the roller (1) is arranged between the limiting discs (3301).
4. The energy-saving and environment-friendly coal slime drying machine as claimed in claim 1, wherein the feeding mechanism (5) comprises a feeding pipe (51) which is fixedly communicated with the drum (1), a first sieve plate (5101) is fixedly welded on the inner wall of the feeding pipe (51), a supporting collar (52) is fixedly arranged at the upper end of the first sieve plate (5101) and on the inner wall of the feeding pipe (51), and a cover plate (53) is fixedly arranged on the supporting collar (52) through bolts.
5. The use method of the energy-saving and environment-friendly coal slime dryer as claimed in any one of claims 1 to 4, is characterized by comprising the following steps:
firstly, after coal slime to be dried is put into a feeding mechanism (5), a cover plate (53) on the feeding mechanism (5) and a bottom cover (82) on a discharging mechanism (8) are closed, then hot air is introduced into a connecting pipe (42), and two servo motors (23) are driven simultaneously to enable a roller (1) to rotate;
secondly, after drying is finished, the servo motor (23) is closed, so that the bottom end of a discharge pipe (81) on the discharge mechanism (8) is downward when the roller (1) is stopped, and at the moment, the material in the roller (1) is dried;
thirdly, a bottom cover (82) on the discharging mechanism (8) is opened, the second limiting plate (64) is rotated, meanwhile, the rotating handle (8304) is driven, the second sieve plate (86) is enabled to move downwards, materials located at the position of the spiral diversion paddle (62) are directly discharged from the second sieve plate (86) in the discharging mechanism (8), the materials located between the impact pieces (12) move to one end of the roller (1) under the action of gravity, the moved materials fall into the discharging mechanism (8) and then are discharged from the second sieve plate (86), a small number of large materials are blocked on the second sieve plate (86), and at the moment, the materials located between the impact pieces (12) are not completely discharged;
fourthly, the handle (8304) is rotated in the drive, the material that will block up on second sieve (86) upwards drives to spiral drainage oar (62) can be with its drainage to the one end of striking piece (12), the material that is located the other end of striking piece (12) moves under the action of gravity and then discharges in falling into discharge mechanism (8) and then from second sieve (86), the great material of minority blocks up on second sieve (86), so relapse, until discharging less material completely, great material leaves to continue the next time and breaks up and dry.
CN201910312077.5A 2019-04-18 2019-04-18 Energy-saving and environment-friendly coal slime dryer and use method thereof Active CN110030810B (en)

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