CN110567257A - High-efficient novel clean moulded coal drying system of environmental protection - Google Patents
High-efficient novel clean moulded coal drying system of environmental protection Download PDFInfo
- Publication number
- CN110567257A CN110567257A CN201910930160.9A CN201910930160A CN110567257A CN 110567257 A CN110567257 A CN 110567257A CN 201910930160 A CN201910930160 A CN 201910930160A CN 110567257 A CN110567257 A CN 110567257A
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- Prior art keywords
- guide rail
- plate
- air
- type conveying
- conveying mechanism
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- 238000001035 drying Methods 0.000 title claims abstract description 105
- 239000003245 coal Substances 0.000 title claims abstract description 77
- 230000007613 environmental effect Effects 0.000 title claims description 3
- 238000007664 blowing Methods 0.000 claims abstract description 11
- 238000005096 rolling process Methods 0.000 claims description 10
- 239000007787 solid Substances 0.000 claims description 8
- 238000007599 discharging Methods 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 5
- 230000001939 inductive effect Effects 0.000 abstract description 8
- 230000002035 prolonged effect Effects 0.000 abstract description 5
- 239000004484 Briquette Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000002457 bidirectional effect Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 206010010904 Convulsion Diseases 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 230000036461 convulsion Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B15/00—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form
- F26B15/10—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form with movement in a path composed of one or more straight lines, e.g. compound, the movement being in alternate horizontal and vertical directions
- F26B15/12—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form with movement in a path composed of one or more straight lines, e.g. compound, the movement being in alternate horizontal and vertical directions the lines being all horizontal or slightly inclined
- F26B15/18—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form with movement in a path composed of one or more straight lines, e.g. compound, the movement being in alternate horizontal and vertical directions the lines being all horizontal or slightly inclined the objects or batches of materials being carried by endless belts
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- 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
- F26B21/001—Drying-air generating units, e.g. movable, independent of drying enclosure
-
- 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
- F26B25/06—Chambers, containers, or receptacles
- F26B25/14—Chambers, containers, receptacles of simple construction
- F26B25/18—Chambers, containers, receptacles of simple construction mainly open, e.g. dish, tray, pan, rack
Abstract
The invention relates to a high-efficiency novel environment-friendly clean coal drying system, which comprises a drying kiln, an air blowing device, an air inducing device, a coal conveying device and a belt conveyor, wherein the coal conveying device is arranged on the system and comprises a first plate-type conveying mechanism, a second plate-type conveying mechanism and a third plate-type conveying mechanism, the first plate-type conveying mechanism realizes simultaneous feeding and blanking, the moving path of the coal in the drying kiln is greatly prolonged, so that the coal in the drying kiln has more time and space to fully contact with hot air at 150-200 ℃, the drying efficiency of the hot air on the coal is remarkably improved, the drying quality is improved, the second plate-type conveying mechanism and the third plate-type conveying mechanism further prolong the moving path of the coal, the time and the space of the coal in contact with the hot air are ensured to be more sufficient, and the overall drying speed and efficiency of the coal are greatly improved, the high-efficiency drying of the molded coal in the drying kiln is realized.
Description
Technical Field
The invention relates to the technical field of molded coal drying equipment, in particular to a high-efficiency novel environment-friendly clean molded coal drying system.
Background
The molded coal prepared from coal gangue, semi-coke and coal slime has high humidity when being prepared, and needs to be dried to remove water, and the existing molded coal drying equipment has low drying speed and low molded coal drying efficiency, so that the large-scale production requirement of the molded coal is difficult to meet.
Disclosure of Invention
In view of the above, it is necessary to provide a novel efficient environment-friendly clean coal drying system.
A high-efficiency novel environment-friendly clean coal drying system comprises a drying kiln, an air blowing device, an air inducing device, a material conveying device and a belt conveyor, wherein a feeding hole is formed in one side of the top of the drying kiln, a discharging hole is formed in one side, close to the bottom, of the inside of a drying bin, a plurality of air outlets are formed in the top of the drying kiln, a plurality of air inlets are formed in the bottom of the drying kiln, one end of the air blowing device is communicated with the plurality of air inlets in the bottom of the drying kiln, one end of the air inducing device is communicated with the plurality of air outlets in the top of the drying kiln, the material conveying device is arranged in the drying kiln, one end of the belt conveyor is arranged at the lower end of the discharging hole in the drying kiln, the material conveying device comprises a first plate type conveying mechanism, a second plate type conveying mechanism and a, the third plate-type conveying mechanism is arranged above the discharge port in the drying kiln, the second plate-type conveying mechanism is arranged between the first plate-type conveying mechanism and the second plate-type conveying mechanism, the second plate-type conveying mechanism is provided with a plurality of layers, the first plate-type conveying mechanism comprises a driving roller, a driven roller, a driving rolling shaft, a driven rolling shaft, a motor, an upper guide rail, a first arc-shaped guide rail, a lower guide rail, a second arc-shaped guide rail and a plate-type conveying belt, the driving roller and the driven roller are arranged oppositely, gear teeth are respectively arranged at two ends of the driving roller and the driven roller, the driving rolling shaft is arranged in the driving roller, the driven rolling shaft is arranged in the driven roller, the motor is connected with the driving rolling shaft, the upper guide rail is arranged above the driving roller and the driven roller, and a first arc-shaped guide rail is also arranged at, the lower guide rail is arranged below the space between the driving roller and the driven roller, a second arc-shaped guide rail is further arranged on one side, close to the driving roller, of the lower guide rail, and the plate type conveying belt is arranged on the driving roller, the driven roller, the upper guide rail and the lower guide rail.
Preferably, first arc guide with second arc guide structure is the same, first arc guide sets up in one side that the upper guideway is close to board-like conveyer belt, first arc rail both ends keep level with the upper guideway rail face, the perpendicular cross-section of first arc guide is the arc, first arc guide width is less than the upper guideway width.
Preferably, the plate-type conveyer belt comprises a first chain, a second chain and a conveying unit, two ends of the first chain are respectively arranged on the gear teeth on one end face of the driving roller and the driven roller, the first chain is in contact with the rail surface of the upper guide rail, two ends of the second chain are respectively arranged on the gear teeth on the other end face of the driving roller and the driven roller, the second chain is in contact with the rail surface of the upper guide rail, the conveying unit is arranged between the first chain and the second chain, the conveying unit is provided with a plurality of conveying units, the conveying unit comprises a first conveying plate, a first traveling wheel, a second traveling wheel, a third traveling wheel and a fourth traveling wheel, the first conveying plate is a rigid rectangular plate body, the first traveling wheel is arranged on one side of the first conveying plate and is fixedly connected with the first chain, the second traveling wheel is arranged on the other side of the first conveying plate and is fixedly connected with the second chain, the third travelling wheel and the fourth travelling wheel are respectively arranged on two sides of the first conveying plate, and the length of the third travelling wheel is smaller than that of the first travelling wheel.
Preferably, the air blowing device comprises an air blower, an air supply main pipe and an air supply auxiliary pipe, one end of the air blower is communicated with the air supply main pipe, the air supply main pipe is arranged below the drying kiln, one end of the air supply auxiliary pipe is arranged on the air supply main pipe, the other end of the air supply auxiliary pipe is communicated with an air inlet at the bottom of the drying kiln, and the air supply auxiliary pipe is provided with a plurality of air inlets.
Preferably, the inside intermediate position of air supply auxiliary pipe is provided with trapezoidal solid platform, form first trapezoidal passageway, the trapezoidal passageway of second between air supply auxiliary pipe inner wall and the trapezoidal solid platform, the cross-sectional area of first trapezoidal passageway along the air supply direction reduces in proper order, first trapezoidal passageway, the trapezoidal passageway of second and air supply are responsible for and are linked together.
Preferably, the induced draft device includes draught fan, air-out person in charge, air-out auxiliary pipe, draught fan one end is responsible for with the air-out and is linked together, the air-out is responsible for and is set up in the drying kiln top, air-out auxiliary pipe one end sets up on the air-out person in charge, the air-out auxiliary pipe other end is linked together with the air outlet at drying kiln top, the air-out auxiliary pipe is provided with a plurality of.
The invention is provided with a molded coal conveying device which comprises a first plate type conveying mechanism, a second plate type conveying mechanism and a third plate type conveying mechanism, wherein the first plate type conveying mechanism realizes the simultaneous feeding and discharging of an upper guide rail and an upper plate type conveying belt of a lower guide rail, compared with the single-side discharging of the existing belt conveyor, the efficiency of conveying molded coal is greatly improved, the moving path of the molded coal in a drying kiln is also greatly prolonged, so that the molded coal in the drying kiln has more time and space to be fully contacted with hot air at 150-200 ℃, the drying efficiency of the hot air on the molded coal is obviously improved, the conveying surface of the plate type conveying belt consists of a plurality of first conveying plates, gaps are formed among the plurality of conveying plates, the hot air in the drying kiln can pass through the gaps among the plurality of conveying plates, and the contact of the hot air and the molded coal is more fully, no dead angle, no quality problem after the coal briquette is dried, and no unqualified local humidity. The second plate type conveying mechanism and the third plate type conveying mechanism further prolong the moving path of the molded coal, ensure that the time and the space of the contact between the molded coal and hot air are more sufficient, greatly improve the overall drying speed and the efficiency of the molded coal, and realize the high-efficiency drying of the molded coal in a drying kiln.
Drawings
Fig. 1 is a schematic cross-sectional side view of a high-efficiency novel environment-friendly clean coal drying system.
Fig. 2 is a front view of fig. 1.
Fig. 3 is a partially cut-away side view schematic of fig. 2.
Fig. 4 is a schematic axial view of the first slat conveyor.
Fig. 5 is a partially enlarged schematic view of fig. 4.
Fig. 6 is a partially enlarged schematic view of fig. 5.
In the figure: the device comprises a drying kiln 10, a feeding port 11, a discharging port 12, an air outlet 13, an air inlet 14, an air blowing device 20, an air blower 21, an air supply main pipe 22, an air supply secondary pipe 23, a trapezoidal solid table 231, an air inducing device 30, an induced draft fan 31, an air outlet main pipe 32, an air outlet secondary pipe 33, a briquette conveying device 40, a first plate type conveying mechanism 41, a driving roller 411, gear teeth 4111, a driven roller 412, a driving roller 413, a driven roller 414, a motor 415, an upper guide rail 416, a first arc-shaped guide rail 4161, a lower guide rail 417, a second arc-shaped guide rail 4171, a plate type conveying belt 418, a first chain 4181, a second chain 4182, a conveying unit 4183, a first conveying plate 41831, a first travelling wheel 41832, a third travelling wheel 41833, a second plate type conveying mechanism 42, a third plate type conveying mechanism 43 and a belt.
Detailed Description
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Referring to fig. 1 to 6, the invention provides a high-efficiency novel environment-friendly clean coal drying system, which comprises a drying kiln 10, an air blowing device 20, an air inducing device 30, a coal conveying device 40 and a belt conveyor 50, wherein a feeding port 11 is arranged on one side of the top of the drying kiln 10, a discharging port 12 is arranged on one side of the inside of the drying bin close to the bottom, a plurality of air outlets 13 are also arranged on the top of the drying kiln 10, a plurality of air inlets 14 are also arranged on the bottom of the drying kiln 10, the drying kiln 10 is a rigid rectangular box body, a rectangular through hole is arranged on one side of the bottom of the rectangular box body close to the belt conveyor 50, one end of the air blowing device 20 is communicated with the plurality of air inlets 14 on the bottom of the drying kiln 10 so as to convey 150-200 ℃ hot air to the inside of the drying kiln 10, one end of, the hot air with the temperature reduced in the drying kiln 10 is pumped out to the outside, the molded coal conveying device 40 is arranged in the drying kiln 10 so as to continuously convey molded coal in the drying kiln 10 and further dried by the hot air, one end of the belt conveyor 50 penetrates through a rectangular through hole of the drying kiln 10 and is arranged at the right lower end of the discharge hole 12 so as to convey the dried molded coal in the drying kiln 10 to the outside, the molded coal conveying device 40 comprises a first plate-type conveying mechanism 41, a second plate-type conveying mechanism 42 and a third plate-type conveying mechanism 43, the first plate-type conveying mechanism 41 is arranged below the drying kiln 10 close to the feeding hole 11, the third plate-type conveying mechanism 43 is arranged above the drying kiln 10 close to the discharge hole 12, the second plate-type conveying mechanism 42 is arranged between the first plate-type conveying mechanism 41 and the second plate-type conveying mechanism 42, and the second plate-type conveying mechanism 42 is provided with a plurality of layers, the first plate-type conveying mechanism 41, the second plate-type conveying mechanism 42 and the third plate-type conveying mechanism 43 have the same structure, the first plate-type conveying mechanism 41 includes a driving roller 411, a driven roller 412, a driving roller 413, a driven roller 414, a motor 415, an upper guide rail 416, a first arc-shaped guide rail 4161, a lower guide rail 417, a second arc-shaped guide rail 4171 and a plate-type conveyer belt 418, the driving roller 411 and the driven roller 412 are arranged opposite to each other, two ends of the driving roller 411 and the driven roller 412 are respectively provided with a gear tooth 4111, the driving roller 413 is arranged in the driving roller 411, the driven roller 414 is arranged in the driven roller 412, the motor 415 is connected with the driving roller 413 to drive the driving roller 413 and the driving roller 411 coaxially connected therewith to rotate, so as to drive the driven roller 412 and the plate-type conveyer belt 418 to rotate, the upper guide rail 416 is arranged above the driving roller 411 and, the upper guide rail 416 is a rail formed by two opposite L-shaped steels to support the first chain 4181 and the second chain 4182 to move on the rail surface of the upper guide rail 416, a first arc-shaped guide rail 4161 is further arranged on one side of the upper guide rail 416 close to the driven roller 412 to enable the conveying unit 4183 of the plate-type conveyor belt 418 to obliquely feed materials on the first arc-shaped guide rail 4161, the lower guide rail 417 is arranged below the space between the driving roller 411 and the driven roller 412, a second arc-shaped guide rail 4171 is further arranged on one side of the lower guide rail 417 close to the driving roller 411, the lower guide rail 417 is a rail formed by two opposite L-shaped steels to support the first chain 4181 and the second chain 4182 to move on the rail surface of the lower guide rail 417, and the plate-type conveyor belt 418 is arranged on the driving roller 411, the driven roller 412, the upper guide rail 416 and the lower guide.
In particular, the bottom and the top of the drying kiln 10 are respectively provided with an air blast device 20 and an air inducing device 30, the air blowing device 20 conveys 150-200 ℃ hot air into the drying kiln 10 from the bottom of the drying kiln 10, the hot air moves from bottom to top in the drying kiln 10, the hot air is in full contact with the molded coal conveyed by the first plate type conveying mechanism 41, the second plate type conveying mechanism 42 and the third plate type conveying mechanism 43 in the moving process of the hot air, the molded coal is heated by the hot air to take away moisture in the molded coal, the hot air with the reduced temperature is extracted to the outside by the air inducing device 30 from a plurality of air outlets 13 at the top of the drying kiln 10, the drying efficiency of the hot air in the drying kiln 10 is accelerated, the air blowing device 20 continuously sends hot air of 150-200 ℃ to the drying kiln 10, and the air inducing device 30 continuously pumps the hot air with the temperature reduced in the drying kiln 10 to the outside, so that the continuous drying of the molded coal in the drying kiln 10 is realized.
The scheme is provided with a briquette conveying device 40, wherein a first plate type conveying mechanism 41 is arranged below a feeding port 11 at the top of a drying kiln 10 so as to convey briquettes to the surface of a plate type conveying belt 418 on an upper guide rail 416 of the first plate type conveying mechanism 41, the first plate type conveying mechanism 41 is provided with a driving roller 411, a driven roller 412, a driving roller 413, a driven roller 414, a motor 415, an upper guide rail 416 and a first arc-shaped guide rail 4161 on the rail surface of the upper guide rail 416, a lower guide rail 417 and a second arc-shaped guide rail 4171 on the rail surface of the lower guide rail 417 and a plate type conveying belt 418, the motor 415 drives the driving roller 413 and the driving roller 411 to rotate and drives the driven roller 414 and the driven roller 412 to rotate so as to drive the plate type conveying belt 418 to rotate on the driving roller 411, the driven roller 412, the upper guide rail 416 and the lower guide rail 417 to reciprocate, a first chain 4181 and a second chain 4182 of the plate type conveying belt, the conveying unit 4183 comprises a first conveying plate 41831, a first traveling wheel 41832, a second traveling wheel, a third traveling wheel 41833 and a fourth traveling wheel, the third traveling wheel 41833 and the fourth traveling wheel are oppositely arranged at two ends of the first conveying plate 41831, a plurality of first conveying plates 41831 are arranged between the upper guide rails 416 side by side, one ends of the first traveling wheel 41832, the second traveling wheel, the third traveling wheel 41833 and the fourth traveling wheel are all rolled and lapped on the upper guide rails 416, because the lengths of the third traveling wheel 41833 and the fourth traveling wheel at two sides of the first conveying plate 41831 are smaller than the lengths of the first traveling wheel 41832 and the second traveling wheel, and because the width of the rail surface of the first arc-shaped guide rail 4161 is smaller than that of the upper guide rails 416, when the third traveling wheel 41833 and the fourth traveling wheel at two sides of the first conveying plate 41831 move to the first arc-shaped guide rail 4161, the end portions of the third traveling wheel 41833 and the fourth traveling wheel 41833 contact with the rail surface of the first arc-shaped guide rail 4161 and move along the direction of the arc-shaped guide rail 41, at this time, the first traveling wheel 41832 and the second traveling wheel of the first conveying plate 41831 continue to move along the surface of the upper guide rail 416, so that the moving directions of the first traveling wheel 41832 and the second traveling wheel on both sides of the first conveying plate 41831 are inconsistent with the moving directions of the third traveling wheel 41833 and the fourth traveling wheel on both sides of the first conveying plate 41831, and the plate body of the first conveying plate 41831 is inclined toward the concave surface of the first arc-shaped guide rail 4161, so that the briquettes on the first conveying plate 41831 drop into the surface of the plate-type conveying belt 418 on the rail surface of the lower guide rail 417 at the lower end of the first conveying plate along the inclined gap, the first chain 4181 and the second chain 4182 drive the first conveying plate 41831 to move towards the driven roller 412, further, the third travelling wheel 41833 and the fourth travelling wheel at the two ends of the first conveying plate 41831 gradually move to the horizontal position in the first arc-shaped guide rail 4161, and the plurality of conveying units 4183 repeat the actions, so that the continuous blanking of the upper plate type conveying belt 418 on the rail surface of the upper guide rail 416 is realized; the molded coal falls on the surface of the plate-type conveyer belt 418 on the rail surface of the lower guide rail 417, at this time, the first chain 4181 and the second chain 4182 of the plate-type conveyer belt 418 drive the plurality of conveying units 4183 to move from the driven roller 412 to the driving roller 411, when the end parts of the third travelling wheel 41833 and the fourth travelling wheel of the conveying unit 4183 are in contact with the rail surface of the second arc-shaped guide rail 4171 and move along the arc-shaped rail surface, the plate body of the first conveying plate 41831 inclines towards the concave surface of the second arc-shaped guide rail 4171, the molded coal on the conveying unit 4183 falls on the second plate-type conveying mechanism 42 at the right lower end of the conveying unit along the inclined gap, the first chain 4181 and the second chain 4182 drive the plurality of conveying units 4183 to move towards the driving roller 411, and the plurality of conveying units 4183 repeat the above actions, so as to realize the continuous blanking of. Through the arrangement, the simultaneous feeding and blanking of the upper guide rail 416 and the lower guide rail 417 of the plate-type conveying belt 418 of the first plate-type conveying mechanism 41 are realized, compared with the single-side blanking of the existing belt conveyor, the efficiency of conveying the molded coal is greatly improved, the moving path of the molded coal in the drying kiln 10 is also greatly prolonged, so that the molded coal has more time and space to fully contact with hot air at the temperature of 150-200 ℃ in the drying kiln 10, the drying efficiency of the molded coal by the hot air is obviously improved, and the conveying surface of the plate-type conveyer 418 is composed of a plurality of first conveying plates 41831, and gaps are formed among the plurality of first conveying plates 41831, which is more favorable for the hot air in the drying kiln 10 to pass through the gaps among the plurality of first conveying plates 41831, the contact between hot air and the molded coal is more sufficient, no dead angle exists, the quality problem of the dried molded coal is avoided, and the situation that local humidity is unqualified is avoided.
The scheme is also provided with a second plate type conveying mechanism 42, the second plate type conveying mechanism 42 is provided with a plurality of layers, and the moving path of the molded coal in the drying kiln 10 is further prolonged, so that the molded coal has more time and space in the drying kiln 10 to be fully contacted with hot air at 150-200 ℃, the drying efficiency of the hot air on the molded coal is further improved, the hot air utilization rate is improved, and the production cost is favorably reduced.
The briquette coal conveying device is further provided with a third plate type conveying mechanism 43, the plate type conveying belt 418 on the rail surface of the upper guide rail 416 conveys briquette coal falling from the second plate type conveying mechanism 42 to the direction of the driven roller 412, the briquette coal on the plate type conveying belt 418 is conveyed to the plate type conveying belt 418 on the rail surface of the lower guide rail 417 from the first arc-shaped guide rail 4161, and the briquette coal on the plate type conveying belt 418 is conveyed to the direction of the driving roller 411 and then is conveyed to the discharge hole 12 at the right lower end from the second arc-shaped guide rail 4171.
Through setting up first board-like conveying mechanism 41, second board-like conveying mechanism 42, third board-like conveying mechanism 43 simultaneously, realize the moulded coal and high-efficient stoving in drying kiln 10, the moving path of moulded coal is longer, and time, the space with hot-blast contact are more abundant, promote holistic drying speed and the efficiency of moulded coal by a wide margin.
Further, the first arc-shaped guide rail 4161 and the second arc-shaped guide rail 4171 have the same structure, the first arc-shaped guide rail 4161 is disposed on one side of the upper guide rail 416 close to the plate-type conveyor belt 418, two ends of the first arc-shaped guide rail 4161 are flush with a rail surface of the upper guide rail 416, a vertical cross section of the first arc-shaped guide rail 4161 is arc-shaped, and a width of the first arc-shaped guide rail 4161 is smaller than a width of the upper guide rail 416.
Specifically, a first arc-shaped guide rail 4161 is arranged on one side of the upper guide rail 416 close to the driven roller 412, the width of the first arc-shaped guide rail 4161 is smaller than that of the upper guide rail 416, so that the upper guide rail 416 keeps a rail surface with a certain width, only the first travelling wheel 41832 and the second travelling wheel on two sides of the first conveying plate 41831 can normally pass through the rail surface with a certain width, the sum of the width of the first arc-shaped guide rail 4161 and the width of the first travelling wheel 41832 and the width of the second travelling wheel passing through the rail surface is equal to the width of the upper guide rail 416, so that the third travelling wheel 41833 and the fourth travelling wheel normally pass through the first arc-shaped guide rail 4161, and because two ends of the first arc-shaped guide rail 4161 are level with the rail surface of the upper guide rail 416, the third travelling wheel 41833 and the fourth travelling wheel do not have a dead-up situation when passing through the upper guide rail 416 and the first arc-shaped guide rail 4161, only the third travelling wheel 41833 and the fourth travelling wheel move along the arc-shaped, the blanking of the first conveying plate 41831 on the first arc-shaped guide rail 4161 is achieved.
Further, the plate type conveyor belt 418 includes a first chain 4181, a second chain 4182, and a conveying unit 4183, both ends of the first chain 4181 are respectively disposed on the gear teeth 4111 of one end surface of the driving roller 411 and the driven roller 412 to rotate with the rotation of the driving roller 411 and the driven roller 412, and the first chain 4181 contacts with the rail surface of the upper rail 416, so that the first chain 4181 is supported by the rail surface of the upper rail 416 during the rotation process, and the first chain 4181 is ensured to run horizontally on the rail surface of the upper rail 416, both ends of the second chain 4182 are respectively disposed on the gear teeth 4111 of the other end surface of the driving roller 411 and the driven roller 412 to rotate with the rotation of the driving roller 411 and the driven roller 412, and the second chain 4182 contacts with the rail surface of the upper rail 416, so that the second chain 4182 is supported by the rail surface of the upper rail 416 during the rotation process, and the second chain 4182 is ensured to run horizontally on the rail surface of the upper rail 416, the conveying unit 4183 is disposed between a first chain 4181 and a second chain 4182, the conveying unit 4183 is provided with a plurality of units, the conveying unit 4183 conveys molded coal in a horizontal state, the conveying unit 4183 includes a first conveying plate 41831, a first traveling wheel 41832, a second traveling wheel 41833, and a fourth traveling wheel, the first conveying plate 41831 is a rigid rectangular plate, preferably, the rectangular plate is a thin plate, the first traveling wheel 41832 is disposed at one side of the first conveying plate 41831 and fixedly connected with the first chain 4181 to move with the movement of the first chain 4181, the second traveling wheel is disposed at the other side of the first conveying plate 41831 and fixedly connected with the second chain 4182, the second traveling wheel has the same structure as the first traveling wheel 41832 to move with the movement of the first chain 4181 and the second chain 4182, the third traveling wheel 41833 and the fourth traveling wheel 41831 are disposed at both sides of the first conveying plate 4182, the third traveling wheel 41833 and the fourth traveling wheel 4182 have the same structure as the first conveying plate 41831 and move along with the movement of the first conveying plate 41831, and the length of the third traveling wheel 41833 is shorter than that of the first traveling wheel 41832 so that the third traveling wheel 41833 and the fourth traveling wheel move on the surface of the first arc-shaped guide rail 4161 or the surface of the second arc-shaped guide rail 4171.
Further, the air blowing device 20 includes an air blower 21, a main air supply pipe 22 and a secondary air supply pipe 23, one end of the air blower 21 is communicated with the main air supply pipe 22, the other end of the air blower 21 is connected with an external motor to convey 150-200 ℃ hot air to the main air supply pipe 22, the main air supply pipe 22 is arranged below the drying kiln 10, one end of the secondary air supply pipe 23 is arranged on the main air supply pipe 22, the other end of the secondary air supply pipe 23 is communicated with an air inlet 14 at the bottom of the drying kiln 10, and the secondary air supply pipe 23 is provided with a plurality of hot air flow pipes to divide the hot air in the main air supply pipe 22 into a plurality of hot air flows and convey the hot air flows from the secondary air supply pipes 23 to the inside.
Further, the inside intermediate position of air supply auxiliary pipe 23 is provided with trapezoidal solid platform 231, form first trapezoidal passageway, the trapezoidal passageway of second between air supply auxiliary pipe 23 inner wall and the trapezoidal solid platform 231, the cross-sectional area of first trapezoidal passageway along the air supply direction reduces in proper order, first trapezoidal passageway, the trapezoidal passageway of second and air supply are responsible for 22 and are linked together.
Specifically, a first trapezoidal channel and a second trapezoidal channel are formed between the inner wall of the air supply auxiliary pipe 23 and the trapezoidal solid table 231, the first trapezoidal channel and the second trapezoidal channel are symmetrically arranged, the first trapezoidal channel and the second trapezoidal channel are communicated with the air supply main pipe 22, so that hot air in the air supply main pipe 22 is only conveyed into the drying kiln 10 from the first trapezoidal channel and the second trapezoidal channel, unidirectional linear air supply of the air supply main pipe 22 is changed into bidirectional inclined air supply, the hot air entering the drying kiln 10 is not directly contacted with the third plate type conveying mechanism 43 any more, but the hot air is directly conveyed to the inner wall of the drying kiln 10 close to the third plate type conveying mechanism 43 first, so that bidirectional inclined hot air forms a vortex near the third plate type conveying mechanism 43 in the drying kiln 10, the drying path of the hot air in the drying kiln 10 is prolonged, and meanwhile, the cross-sectional area of the first trapezoidal channel along the air supply direction is sequentially reduced, the air flow speed of the hot air conveyed into the drying kiln 10 is increased, so that more time is provided for the hot air in the drying kiln 10 to be in full contact with the molded coal on the first plate type conveying mechanism 41, the second plate type conveying mechanism 42 and the third plate type conveying mechanism 43, and the drying effect of the hot air on the molded coal is improved.
Specifically, near being close to third plate conveyor 43 near forming the vortex in drying kiln 10 inside, hot-blast vortex fully contacts with the moulded coal on third plate conveyor 43, and just hot-blast entering drying kiln 10 inside this moment, its temperature still is between 150-200 ℃, because the humidity of moulded coal is littleer for the humidity of first plate conveyor 41, the 42 moulded coal of second plate conveyor 43 on the third plate conveyor 43, the vortex is hot-blast can be further fully dried the moulded coal on third plate conveyor 43, improve the uniformity that the moulded coal was dried by a wide margin, ensure that the quality keeps highly uniform, stable after the moulded coal is dried.
Further, induced draft device 30 is responsible for 32, air-out looped pipeline 33 including draught fan 31, air-out, 31 one end of draught fan is responsible for 32 with the air-out and is linked together, the draught fan 31 other end is connected with external motor 415 to be responsible for 32 in the air-out and take out to the outside from the hot-blast of temperature reduction, the air-out is responsible for 32 and is set up in the drying kiln 10 top, air-out looped pipeline 33 one end sets up on the air-out is responsible for 32, the air-out looped pipeline 33 other end is linked together with the air outlet 13 at drying kiln 10 top, air-out looped pipeline 33 is provided with a plurality of to form the passageway of a plurality of convulsions.
The modules or units in the device of the embodiment of the invention can be combined, divided and deleted according to actual needs.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention.
Claims (6)
1. High-efficient novel clean moulded coal drying system of environmental protection, its characterized in that: the material conveying device comprises a first plate type conveying mechanism, a second plate type conveying mechanism and a third plate type conveying mechanism, wherein the first plate type conveying mechanism is arranged below the feeding port inside the drying kiln, the third plate type conveying mechanism is arranged above the discharging port inside the drying kiln, the second plate-type conveying mechanism is arranged between the first plate-type conveying mechanism and the second plate-type conveying mechanism, the second plate-type conveying mechanism is provided with a plurality of layers, the first plate-type conveying mechanism comprises a driving roller, a driven roller, a driving rolling shaft, a driven rolling shaft, a motor, an upper guide rail, a first arc-shaped guide rail, a lower guide rail, a second arc-shaped guide rail and a plate-type conveying belt, the driving roller and the driven roller are oppositely arranged, gear teeth are respectively arranged at two ends of the driving roller and the driven roller, the driving rolling shaft is arranged in the driving roller, the driven rolling shaft is arranged in the driven roller, the motor is connected with the driving rolling shaft, the upper guide rail is arranged above the driving roller and the driven roller, the first arc-shaped guide rail is also arranged at one side of the upper guide rail close to the driven roller, and the lower guide rail, and a second arc-shaped guide rail is further arranged on one side, close to the driving roller, of the lower guide rail, and the plate-type conveying belt is arranged on the driving roller, the driven roller, the upper guide rail and the lower guide rail.
2. The efficient, novel, environment-friendly and clean coal drying system of claim 1, characterized in that: the first arc-shaped guide rail is the same as the second arc-shaped guide rail in structure, the first arc-shaped guide rail is arranged on one side, close to the plate-type conveying belt, of the upper guide rail, the two ends of the first arc-shaped guide rail are flush with the rail surface of the upper guide rail, the vertical section of the first arc-shaped guide rail is arc-shaped, and the width of the first arc-shaped guide rail is smaller than that of the upper guide rail.
3. The efficient, novel, environment-friendly and clean coal drying system of claim 1, characterized in that: the plate-type conveying belt comprises a first chain, a second chain and a conveying unit, wherein two ends of the first chain are respectively arranged on the gear teeth on one end face of the driving roller and one end face of the driven roller, the first chain is in contact with the rail surface of the upper guide rail, two ends of the second chain are respectively arranged on the gear teeth on the other end face of the driving roller and the other end face of the driven roller, the second chain is in contact with the rail surface of the upper guide rail, the conveying unit is arranged between the first chain and the second chain, the conveying unit is provided with a plurality of conveying units, the conveying unit comprises a first conveying plate, a first travelling wheel, a second travelling wheel, a third travelling wheel and a fourth travelling wheel, the first conveying plate is a rigid rectangular plate body, the first travelling wheel is arranged on one side of the first conveying plate and is fixedly connected with the first chain, the second travelling wheel is arranged on the other side of the first conveying plate and, the third travelling wheel and the fourth travelling wheel are respectively arranged on two sides of the first conveying plate, and the length of the third travelling wheel is smaller than that of the first travelling wheel.
4. The efficient, novel, environment-friendly and clean coal drying system of claim 1, characterized in that: the air blowing device comprises an air blower, an air supply main pipe and an air supply auxiliary pipe, wherein one end of the air blower is communicated with the air supply main pipe, the air supply main pipe is arranged below the drying kiln, one end of the air supply auxiliary pipe is arranged on the air supply main pipe, the other end of the air supply auxiliary pipe is communicated with an air inlet at the bottom of the drying kiln, and the air supply auxiliary pipe is provided with a plurality of air inlets.
5. The efficient, novel, environment-friendly and clean coal drying system of claim 4, characterized in that: the inside intermediate position of air supply auxiliary pipe is provided with trapezoidal solid platform, form first trapezoidal passageway, the trapezoidal passageway of second between air supply auxiliary pipe inner wall and the trapezoidal solid platform, the cross-sectional area of first trapezoidal passageway along the air supply direction reduces in proper order, first trapezoidal passageway, the trapezoidal passageway of second are responsible for with the air supply and are linked together.
6. The efficient, novel, environment-friendly and clean coal drying system of claim 1, characterized in that: the induced draft device includes draught fan, air-out person in charge, air-out auxiliary pipe, draught fan one end is responsible for with the air-out and is linked together, the air-out is responsible for and sets up in the drying kiln top, air-out auxiliary pipe one end sets up on the air-out person in charge, the air-out auxiliary pipe other end is linked together with the air outlet at drying kiln top, the air-out auxiliary pipe is provided with a plurality of.
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