CN110567257B - High-efficient novel environmental protection clean moulded coal drying system - Google Patents
High-efficient novel environmental protection clean moulded coal drying system Download PDFInfo
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- CN110567257B CN110567257B CN201910930160.9A CN201910930160A CN110567257B CN 110567257 B CN110567257 B CN 110567257B CN 201910930160 A CN201910930160 A CN 201910930160A CN 110567257 B CN110567257 B CN 110567257B
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- air
- drying kiln
- conveying mechanism
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- 238000001035 drying Methods 0.000 title claims abstract description 113
- 239000003245 coal Substances 0.000 title claims abstract description 66
- 230000007613 environmental effect Effects 0.000 title claims description 4
- 230000007246 mechanism Effects 0.000 claims abstract description 77
- 238000007599 discharging Methods 0.000 claims abstract description 12
- 230000002035 prolonged effect Effects 0.000 claims abstract description 7
- 238000007664 blowing Methods 0.000 claims abstract description 6
- 239000000463 material Substances 0.000 claims description 13
- 239000007787 solid Substances 0.000 claims description 8
- 230000002457 bidirectional effect Effects 0.000 claims description 4
- 239000004484 Briquette Substances 0.000 claims description 2
- 230000001939 inductive effect Effects 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 206010010904 Convulsion Diseases 0.000 description 1
- 230000000903 blocking effect Effects 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
- 238000000605 extraction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention discloses a high-efficiency novel environment-friendly clean molded coal drying system, which comprises a drying kiln, a blowing device, an induced air device, a molded coal conveying device and a belt conveyor, wherein the molded coal conveying device 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 discharging, the moving path of molded coal in the drying kiln is greatly prolonged, so that the molded coal has more time and space in the drying kiln 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 drying quality of the molded coal is improved, the moving path of the molded coal is further prolonged by the second plate type conveying mechanism and the third plate type conveying mechanism, the time and space of the contact of the molded coal with the hot air are ensured to be more sufficient, the integral drying speed and efficiency of the molded coal are greatly improved, and the molded coal is effectively dried in the drying kiln.
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 briquette produced from gangue, semi-coke and slime has high humidity, and needs to be dried to remove water.
Disclosure of Invention
In view of the foregoing, there is a need for a novel efficient and environment-friendly clean coal drying system.
The utility model provides a novel high-efficient environmental protection clean molded coal drying system, includes drying kiln, blast apparatus, induced air device, material conveyor, band conveyer, drying kiln top one side is provided with the pan feeding mouth, drying kiln inside is close to bottom one side and is provided with the discharge gate, a plurality of air outlets have still been seted up at drying kiln top, a plurality of air intakes have still been seted up to drying kiln bottom, blast apparatus one end is linked together with a plurality of air intakes of drying kiln bottom, induced air device one end is linked together with a plurality of air outlets at drying kiln top, material conveyor sets up inside the drying kiln, band conveyer one end sets up in drying kiln inside discharge gate lower extreme, material conveyor includes first board-like conveying mechanism, second board-like conveying mechanism, third board-like conveying mechanism, first board-like conveying mechanism sets up in drying kiln inside the below that is close to the pan feeding mouth, the third plate type conveying mechanism is arranged above the discharge hole in the drying kiln, the second plate type conveying mechanism is arranged between the first plate type conveying mechanism and the third 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 motor, an upper guide rail, a first arc guide rail, a lower guide rail, a second arc 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 roller is arranged in the driving roller, the driven roller is arranged in the driven roller, the motor is connected with the driving roller, the upper guide rail is arranged above the space between the driving roller and the driven roller, the upper guide rail is close to one side of the driven roller and is also provided with a first arc guide rail, the lower guide rail is arranged below the space between the driving roller and the driven roller, one side of the lower guide rail, which is close to the driving roller, is also provided with a second arc 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, the first arc guide rail and the second arc guide rail have the same structure, the first arc guide rail is arranged on one side of the upper guide rail, which is close to the plate-type conveying belt, two ends of the first arc guide rail are leveled with the rail surface of the upper guide rail, the vertical section of the first arc guide rail is arc-shaped, and the width of the first arc guide rail is smaller than that of the upper guide rail.
Preferably, the plate-type conveyer belt comprises a first chain, a second chain and a conveying unit, wherein two ends of the first chain are respectively arranged on gear teeth of one end face of a driving roller and one end face of a driven roller, the first chain is in contact with a rail face of an upper guide rail, two ends of the second chain are respectively arranged on gear teeth of 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 face 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 two sides 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 the first travelling wheel.
Preferably, 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 a plurality of air supply auxiliary pipes are arranged.
Preferably, a trapezoid solid table is arranged in the middle of the inside of the air supply auxiliary pipe, a first trapezoid channel and a second trapezoid channel are formed between the inner wall of the air supply auxiliary pipe and the trapezoid solid table, the cross section area of the first trapezoid channel along the air supply direction is sequentially reduced, and the first trapezoid channel and the second trapezoid channel are communicated with the air supply main pipe.
Preferably, the induced air device comprises an induced draft fan, an air outlet main pipe and an air outlet auxiliary pipe, wherein one end of the induced draft fan is communicated with the air outlet main pipe, the air outlet main pipe is arranged above the drying kiln, one end of the air outlet auxiliary pipe is arranged on the air outlet main pipe, the other end of the air outlet auxiliary pipe is communicated with an air outlet at the top of the drying kiln, and a plurality of air outlet auxiliary pipes are arranged.
The invention is provided with a material conveying device, the material conveying device comprises a first plate conveying mechanism, a second plate conveying mechanism and a third plate conveying mechanism, the first plate conveying mechanism realizes simultaneous feeding and discharging of an upper plate conveying belt of an upper guide rail and an upper plate conveying belt of a lower guide rail, compared with single-sided discharging of the existing belt conveyor, the efficiency of conveying molded coal is greatly improved, meanwhile, the moving path of the molded coal in a drying kiln is greatly prolonged, so that the molded coal has more time and space in the drying kiln to fully contact with hot air at 150-200 ℃, the drying efficiency of the hot air on the molded coal is remarkably improved, the conveying surface of the plate conveying belt is formed by a plurality of first conveying plates, gaps are formed among a plurality of conveying plates, the hot air in the drying kiln can more favorably pass through the gaps among a plurality of conveying plates, the contact between the hot air and the molded coal is more sufficient, no dead angle is formed, no quality problem is ensured after the molded coal is dried, and the condition of partial unqualified humidity does not exist. 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 molded coal contacts with hot air in more sufficient time and space, greatly improve the integral drying speed and efficiency of the molded coal, and realize the efficient drying of the molded coal in a drying kiln.
Drawings
FIG. 1 is a schematic axial cross-sectional view of a high efficiency novel environmentally friendly clean coal drying system.
Fig. 2 is a front view of fig. 1.
Fig. 3 is a schematic side view, partially in section, of fig. 2.
Fig. 4 is an isometric view of a first plate conveyor.
Fig. 5 is an enlarged partial schematic view of fig. 4.
Fig. 6 is an enlarged partial schematic view of fig. 5.
In the figure: drying kiln 10, feeding port 11, discharging port 12, air outlet 13, air inlet 14, blower device 20, blower
21. Air supply main pipe 22, air supply auxiliary pipe 23, trapezoid solid table 231, air inducing device 30, induced draft fan 31, air outlet main pipe 32, air outlet auxiliary pipe 33, material conveying device 40, first plate conveying mechanism 41, driving roller 411, gear teeth 4111, driven roller 412, driving roller 413, driven roller 414, motor 415, upper guide rail 416, first arc guide rail 4161, lower guide rail 417, second arc guide rail
4171. The plate conveyor 418, the first chain 4181, the second chain 4182, the conveyor unit 4183, the first conveyor plate 41831, the first traveling wheel 41832, the third traveling wheel 41833, the second plate conveyor 42, the third plate conveyor 43, and the belt conveyor 50.
Detailed Description
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed 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 other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Referring to fig. 1 to 6, the invention provides a high-efficiency novel environment-friendly clean molded coal drying system, which comprises a drying kiln 10, a blast device 20, an induced air device 30, a material conveying device 40 and a belt conveyor 50, wherein one side of the top of the drying kiln 10 is provided with a feed inlet 11, one side of the interior of the drying kiln 10 close to the bottom is provided with a discharge outlet 12, the top of the drying kiln 10 is also provided with a plurality of air outlets 13, the bottom of the drying kiln 10 is also provided with a plurality of air inlets 14, the drying kiln 10 is a rigid rectangular box, one side of the bottom of the rectangular box close to the belt conveyor 50 is provided with a rectangular through hole, one end of the blast device 20 is communicated with the plurality of air inlets 14 at the bottom of the drying kiln 10, To convey 150-200deg.C hot air into the drying kiln 10, one end of the air inducing device 30 is communicated with several air outlets 13 at the top of the drying kiln 10 to pump the reduced temperature hot air out of the drying kiln 10, the material conveying device 40 is arranged in the drying kiln 10 to continuously convey molded coal in the drying kiln 10 to be dried by hot air, one end of the belt conveyor 50 passes through the rectangular through hole of the drying kiln 10 and is arranged at the right lower end of the discharge hole 12 to convey the dried molded coal in the drying kiln 10 to the outside, the material conveying device 40 comprises a first plate conveying mechanism 41, a second plate conveying mechanism 42, The third plate type conveying mechanism 43, the first plate type conveying mechanism 41 is arranged below the inside of the drying kiln 10 and close to the feeding hole 11, the third plate type conveying mechanism 43 is arranged above the inside of the drying kiln 10 and close to the discharging hole 12, the second plate type conveying mechanism 42 is arranged between the first plate type conveying mechanism 41 and the third plate type conveying mechanism 43, 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 are identical in structure, the first plate type conveying mechanism 41 comprises a driving roller 411, a driven roller 412, a driving roller 413, a driven roller 414, The motor 415, the upper guide rail 416, the first arc guide rail 4161, the lower guide rail 417, the second arc guide rail 4171 and the plate conveyor 418, the driving roller 411 and the driven roller 412 are oppositely arranged, the two ends of the driving roller 411 and the driven roller 412 are respectively provided with gear teeth 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 with the driving roller 413 to rotate, thereby driving the driven roller 412 and the plate conveyor 418 to rotate, The upper guide rail 416 is arranged above the space between the driving roller 411 and the driven roller 412, the upper guide rail 416 is a track formed by two L-shaped steel which are oppositely arranged 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 also arranged on one side of the upper guide rail 416 close to the driven roller 412, so that the conveying unit 4183 of the plate conveying belt 418 is obliquely fed at 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 also arranged on one side of the lower guide rail 417 close to the driving roller 411, the lower rail 417 is a track formed by two L-shaped steel arranged oppositely to support the first chain 4181 and the second chain 4182 to move on the rail surface of the lower rail 417, and the pallet conveyor 418 is arranged on the driving roller 411 and the driven roller 412, the upper rail 416 and the lower rail 417.
Specifically, the bottom and the top of the drying kiln 10 are respectively provided with the air blowing device 20 and the air inducing device 30, the air blowing device 20 conveys hot air with the temperature of 150-200 ℃ from the bottom of the drying kiln 10 to the drying kiln 10, the hot air moves from bottom to top in the drying kiln 10, the hot air is fully contacted with the molded coal conveyed by the first plate conveying mechanism 41, the second plate conveying mechanism 42 and the third plate conveying mechanism 43 in the moving process of the hot air, the molded coal is heated by the hot air to take away moisture therein, the hot air with the temperature reduced is pumped out to the outside from the air outlets 13 at the top of the drying kiln 10 by the air inducing device 30, the drying efficiency of the hot air in the drying kiln 10 is accelerated, the air blowing device 20 continuously conveys hot air with the temperature 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 medium-sized coal in the drying kiln 10 is realized.
The proposal is provided with a material conveying device 40, the first plate conveying mechanism 41 is arranged below a feed inlet 11 at the top of the drying kiln 10 to convey molded coal to the surface of a plate conveying belt 418 on a guide rail 416 on the first plate conveying mechanism 41, the first plate 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, a first arc-shaped guide rail 4161 on the upper guide rail 416 and the rail surface thereof, a lower guide rail 417 and a second arc-shaped guide rail 4171 on the rail surface thereof, the motor 415 drives the driving roller 413 and the driving roller 411 to rotate, The driven roller 414 and the driven roller 412 are driven to rotate, and then the plate-type conveying belt 418 is driven to reciprocate on the driving roller 411, the driven roller 412, the upper guide rail 416 and the lower guide rail 417, the first chain 4181 and the second chain 4182 of the plate-type conveying belt 418 drive a plurality of conveying units 4183 to move from the driving roller 411 to the driven roller 412, the conveying units 4183 comprise a first conveying plate 41831, a first travelling wheel 41832, a second travelling wheel, a third travelling wheel 41833 and a fourth travelling wheel, and the third travelling wheel 41833, The fourth travelling wheel is relatively 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 travelling wheel 41832, the second travelling wheel, the third travelling wheel 41833 and the fourth travelling wheel are all in rolling lap joint on the upper guide rails 416, the lengths of the third travelling wheel 41833 and the fourth travelling wheel on two sides of the first conveying plate 41831 are smaller than those of the first travelling wheel 41832 and the second travelling wheel, and the rail surface width of the first arc-shaped guide rail 4161 is smaller than that of the upper guide rails 416, when the third travelling wheel 41833 on two sides of the first conveying plate 41831, When the fourth traveling wheel moves onto the first arc-shaped guide rail 4161, the end parts of the third traveling wheel 41833 and the fourth traveling wheel are contacted with the rail surface of the first arc-shaped guide rail 4161 and move along the arc-shaped rail surface direction, and at the moment, the first traveling wheel 41832 and the second traveling wheel of the first conveying plate 41831 continue to move along the rail surface of the upper guide rail 416, so that the moving directions of the first traveling wheel 41832 and the second traveling wheel on two 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 two sides of the first conveying plate 41831, and the plate body of the first conveying plate 41831 is inclined towards the concave surface of the first arc-shaped guide rail 4161, The molded coal on the first conveying plate 41831 falls into the surface of the plate-type conveying belt 418 on the rail surface of the lower guide rail 417 at the right lower end of the molded coal 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, so that the third travelling wheels 41833 and the fourth travelling wheels at the two ends of the first conveying plate 41831 gradually move to the horizontal in the first arc-shaped guide rail 4161, and the plurality of conveying units 4183 repeat the actions, so that continuous discharging of the 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 conveying 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 conveying belt 418 drive the plurality of conveying units 4183 to move from the driven roller 412 to the driving roller 411, when the third travelling wheel 41833 and the fourth travelling wheel end of the conveying unit 4183 contact with the rail surface of the second arc-shaped guide rail 4171 and move along the arc-shaped rail surface thereof, the plate body of the first conveying plate 41831 is inclined 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 conveying units 4183 to move towards the driving roller 411, and the conveying units 4183 repeat the above actions, so that continuous discharging of the plate-type conveying belt 418 on the rail surface of the lower guide rail 417 is realized. Through the arrangement, the simultaneous feeding and discharging of the upper guide rail 416 plate type conveying belt 418 and the lower guide rail 417 plate type conveying belt 418 of the first plate type conveying mechanism 41 are realized, compared with the single-sided discharging of the existing belt conveyor, the efficiency of conveying the molded coal is greatly improved, meanwhile, the moving path of the molded coal in the drying kiln 10 is greatly prolonged, so that the molded coal has more time and space in the drying kiln 10 to fully contact with hot air of 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 418 is composed of a plurality of first conveying plates 41831, gaps are formed among a plurality of first conveying plates 41831, the hot air in the drying kiln 10 can pass through gaps among the first conveying plates 41831, so that the hot air can be in full contact with the molded coal, no dead angle exists, no quality problem is caused after the molded coal is dried, and the situation of unqualified local humidity does not exist.
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, 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 utilization rate of the hot air is improved, and the production cost is reduced.
The third plate conveying mechanism 43 is further arranged in the scheme, the plate conveying belt 418 on the rail surface of the upper guide rail 416 conveys the molded coal dropped by the second plate conveying mechanism 42 to the driven roller 412, the molded coal is conveyed to the plate conveying belt 418 on the rail surface of the lower guide rail 417 from the first arc guide rail 4161, the molded coal on the plate conveying belt 418 is conveyed to the driving roller 411, and the molded coal is conveyed to the discharge hole 12 at the right lower end of the molded coal from the second arc guide rail 4171.
By arranging the first plate type conveying mechanism 41, the second plate type conveying mechanism 42 and the third plate type conveying mechanism 43 at the same time, the molded coal is efficiently dried in the drying kiln 10, the moving path of the molded coal is longer, the time and the space of the molded coal contacted with hot air are more sufficient, and the overall drying speed and the efficiency of the molded coal are greatly improved.
Further, the first arc-shaped guide rail 4161 has the same structure as the second arc-shaped guide rail 4171, the first arc-shaped guide rail 4161 is disposed on one side of the upper guide rail 416 close to the conveying plate 418, two ends of the first arc-shaped guide rail 4161 are leveled with the rail surface of the upper guide rail 416, the vertical section of the first arc-shaped guide rail 4161 is arc-shaped, and the width of the first arc-shaped guide rail 4161 is smaller than that of the upper guide rail 416.
Specifically, a first arc-shaped guide rail 4161 is disposed on one side of the upper guide rail 416 near 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 maintains a rail surface with a certain width, the first travelling wheel 41832 and the second travelling wheel on two sides of the first conveying plate 41831 can normally pass along 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 rail surface is equal to that of the upper guide rail 416, and further, the third travelling wheel 41833 and the fourth travelling wheel can normally pass through the first arc-shaped guide rail 4161, and as the two ends of the first arc-shaped guide rail 4161 are leveled with the rail surface of the upper guide rail 416, the third travelling wheel 41833 and the fourth travelling wheel do not have a blocking situation when passing through the upper guide rail 416 and the first arc-shaped guide rail 4161, and only the third travelling wheel 41833 and the fourth travelling wheel can move along the arc-shaped direction when passing through the first arc-shaped guide rail 4161, so that the first conveying plate 41831 is enabled to realize the feeding of the first conveying plate 4125 in the arc-shaped direction.
Further, the plate conveyer 418 includes a first chain 4181, a second chain 4182, and a conveying unit 4183, where two ends of the first chain 4181 are respectively disposed on gear teeth 4111 on one end surfaces of the driving roller 411 and the driven roller 412, so as to rotate along 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 of the first chain 4181, and the first chain 4181 is ensured to run horizontally on the rail surface of the upper rail 416, two ends of the second chain 4182 are respectively disposed on gear teeth 4111 on the other end surfaces of the driving roller 411 and the driven roller 412, so as to rotate along 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 of the second chain 4182, 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 the first chain 4181 and the second chain 4182, the conveying unit 4183 is provided with a plurality of conveying units 4183, the conveying unit 4183 is configured to convey 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, a third traveling wheel 41833, and a fourth traveling wheel, the first conveying plate 41831 is a rigid rectangular plate body, preferably, the rectangular plate body is a thin plate, the first traveling wheel 41832 is disposed on one side of the first conveying plate 41831 and fixedly connected with the first chain 4181 so as to move along with the movement of the first chain 4181, the second traveling wheel is disposed on the other side of the first conveying plate 41831 and fixedly connected with the second chain 4182, the second traveling wheel is identical in structure to the first traveling wheel 41832 so as to move along with the movement of the first chain 4181 and the second chain 4182, and the third traveling wheel 41833, the fourth travelling wheels are respectively disposed at two sides of the first conveying plate 41831 and are not in contact with the first chain 4181 and the second chain 4182, the third travelling wheel 41833 has the same structure as the fourth travelling wheel so as to move along with the movement of the first conveying plate 41831, and the length of the third travelling wheel 41833 is smaller than that of the first travelling wheel 41832, so that the third travelling wheel 41833 and the fourth travelling wheel move on the rail surface of the first arc-shaped guide rail 4161 or the rail surface of the second arc-shaped guide rail 4171.
Further, the blower 20 includes a blower 21, a main blower pipe 22, and an auxiliary blower pipe 23, one end of the blower 21 is connected to the main blower pipe 22, the other end of the blower 21 is connected to an external motor, so as to convey hot air at 150-200 ℃ into the main blower pipe 22, the main blower pipe 22 is disposed below the drying kiln 10, one end of the auxiliary blower pipe 23 is disposed on the main blower pipe 22, the other end of the auxiliary blower pipe 23 is connected to the air inlet 14 at the bottom of the drying kiln 10, and the auxiliary blower pipe 23 is provided with a plurality of air-supplying pipes, so that the hot air in the main blower pipe 22 is split into a plurality of hot air flows, and the hot air flows are conveyed from the auxiliary blower pipes 23 into the drying kiln 10.
Further, a trapezoid solid table 231 is disposed in the middle position inside the air supply auxiliary pipe 23, a first trapezoid channel and a second trapezoid channel are formed between the inner wall of the air supply auxiliary pipe 23 and the trapezoid solid table 231, the cross-sectional area of the first trapezoid channel along the air supply direction is sequentially reduced, and the first trapezoid channel and the second trapezoid channel are communicated with the air supply main pipe 22.
Specifically, a first trapezoid channel and a second trapezoid channel are formed between the inner wall of the air supply auxiliary pipe 23 and the trapezoid solid table 231, the first trapezoid channel and the second trapezoid channel are symmetrically arranged, and the first trapezoid channel and the second trapezoid channel are communicated with the air supply main pipe 22, so that hot air in the air supply main pipe 22 is only conveyed from the first trapezoid channel and the second trapezoid channel to the drying kiln 10, unidirectional linear air supply of the air supply main pipe 22 is converted into bidirectional inclined air supply, hot air entering the drying kiln 10 is not directly contacted with the third plate type conveying mechanism 43, but is directly conveyed to the inner wall of the drying kiln 10 near the third plate type conveying mechanism 43, so that bidirectional inclined hot air forms vortex near the third plate type conveying mechanism 43 inside the drying kiln 10, a drying path in the drying kiln 10 is prolonged, meanwhile, the cross section area of the first trapezoid channel along the air supply direction is sequentially reduced, the air flow speed of the hot air conveyed to the drying kiln 10 is increased, more time in the drying kiln 10 is ensured, and the coal-separating effect of the hot air on the first plate type conveying mechanism 41, the second plate type conveying mechanism 42 and the third plate type conveying mechanism 43 is fully contacted with coal.
Specifically, a vortex is formed near the third plate type conveying mechanism 43 in the drying kiln 10, the hot air vortex is fully contacted with the molded coal on the third plate type conveying mechanism 43, and the hot air enters the drying kiln 10 at the moment, the temperature of the hot air is still between 150 and 200 ℃, because the humidity of the molded coal on the third plate type conveying mechanism 43 is smaller than that of the molded coal on the first plate type conveying mechanism 41 and the second plate type conveying mechanism 42, the molded coal on the third plate type conveying mechanism 43 can be further fully dried by the hot air of the vortex, the drying consistency of the molded coal is greatly improved, and the quality of the molded coal after being dried is ensured to be kept highly consistent and stable.
Further, the induced air device 30 includes induced draft fan 31, air-out main pipe 32, air-out auxiliary pipe 33, induced draft fan 31 one end is linked together with air-out main pipe 32, the induced draft fan 31 other end is connected with external motor 415 to take out the hot-blast of temperature reduction in the air-out main pipe 32 to outside, air-out main pipe 32 sets up in stoving kiln 10 top, air-out auxiliary pipe 33 one end sets up on air-out main pipe 32, the air-out auxiliary pipe 33 other end is linked together with the air outlet 13 at stoving kiln 10 top, air-out auxiliary pipe 33 is provided with a plurality of to form the passageway of a plurality of convulsions, improve induced draft fan 31 air extraction efficiency.
The modules or units in the device of the embodiment of the invention can be combined, divided and deleted according to actual needs.
The foregoing disclosure is illustrative of the preferred embodiments of the present invention, and is not to be construed as limiting the scope of the invention, as it is understood by those skilled in the art that the present invention may be practiced with all or part of these specific details and with all modifications that are within the scope of the invention as defined by the appended claims.
Claims (2)
1. Novel high-efficient environmental protection clean moulded coal drying system, its characterized in that: comprises a drying kiln, a blast device, an induced air device, a material conveying device and a belt conveyor, wherein one side of the top of the drying kiln is provided with a feeding port, one side of the inside of the drying kiln, which is close to the bottom, is provided with a discharging port, the top of the drying kiln is also provided with a plurality of air outlets, the bottom of the drying kiln is also provided with a plurality of air inlets, one end of the blast device is communicated with the plurality of air inlets at the bottom of the drying kiln, one end of the induced air device is communicated with the plurality of air outlets at the top of the drying kiln, the material conveying device is arranged inside the drying kiln, one end of the belt conveyor is arranged at the lower end of the discharging port inside the drying kiln, The material conveying device comprises a first plate conveying mechanism, a second plate conveying mechanism and a third plate conveying mechanism, wherein the first plate conveying mechanism is arranged below a feeding port inside a drying kiln, the third plate conveying mechanism is arranged above a discharging port inside the drying kiln, the second plate conveying mechanism is arranged between the first plate conveying mechanism and the third plate conveying mechanism, the second plate conveying mechanism is provided with a plurality of layers, and the first plate conveying mechanism comprises a driving roller, a driven roller, a motor, an upper guide rail, a first arc guide rail, a lower guide rail, a second arc guide rail and a third plate conveying mechanism Plate conveyor belt, initiative cylinder with driven cylinder sets up relatively, initiative cylinder driven cylinder both ends are provided with the teeth of a cogwheel respectively, initiative roller bearing sets up in initiative cylinder, driven roller bearing sets up in driven cylinder, the motor is connected with initiative roller bearing, the upper rail sets up the top between initiative cylinder and driven cylinder, one side that the upper rail is close to driven cylinder still is provided with first arc guide rail, the lower rail sets up the below between initiative cylinder and driven cylinder, one side that the lower rail is close to the initiative cylinder still is provided with the second arc guide rail, the plate conveyor belt sets up in initiative cylinder, the motor is connected with initiative roller bearing, the upper rail is close to one side of driven cylinder, the lower rail sets up in the below between initiative cylinder and the driven cylinder, the lower rail is close to the second arc guide rail, The driven roller, the upper guide rail and the lower guide rail; the first arc-shaped guide rail and the second arc-shaped guide rail have the same structure, the first arc-shaped guide rail is arranged on one side of the upper guide rail, which is close to the plate-type conveying belt, two ends of the first arc-shaped guide rail are leveled 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; 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 gear teeth of one end face of a driving roller and one end face of a driven roller, the first chain is contacted with a rail face of an upper guide rail, two ends of the second chain are respectively arranged on gear teeth of the other end face of the driving roller and the other end face of the driven roller, the second chain is contacted with the rail face 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 plates, 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 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; 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 a plurality of air supply auxiliary pipes are arranged; The middle position inside the air supply auxiliary pipe is provided with a trapezoid solid table, a first trapezoid channel and a second trapezoid channel are formed between the inner wall of the air supply auxiliary pipe and the trapezoid solid table, the cross section area of the first trapezoid channel along the air supply direction is sequentially reduced, the first trapezoid channel and the second trapezoid channel are communicated with the air supply main pipe, so that hot air in the air supply main pipe is only conveyed from the first trapezoid channel and the second trapezoid channel to the drying kiln, unidirectional linear air supply of the air supply main pipe is converted into bidirectional inclined air supply, hot air entering the drying kiln is not directly contacted with the third plate type conveying mechanism any more, but is directly conveyed to the inner wall of the drying kiln close to the third plate type conveying mechanism, So that bidirectional inclined hot air forms vortex near the third plate type conveying mechanism inside the drying kiln, and the drying path of the hot air in the drying kiln is prolonged.
2. The efficient novel environment-friendly clean briquette drying system as set forth in claim 1, wherein: the induced air device comprises an induced draft fan, an air outlet main pipe and an air outlet auxiliary pipe, wherein one end of the induced draft fan is communicated with the air outlet main pipe, the air outlet main pipe is arranged above the drying kiln, one end of the air outlet auxiliary pipe is arranged on the air outlet main pipe, the other end of the air outlet auxiliary pipe is communicated with an air outlet at the top of the drying kiln, and a plurality of air outlet auxiliary pipes are arranged.
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| CN112179110B (en) * | 2020-10-10 | 2022-02-18 | 内蒙古万众炜业科技环保股份公司 | Uniform heating drying forming system for anti-crushing coal production |
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| CN104748532A (en) * | 2015-02-14 | 2015-07-01 | 石家庄市矿区丰旺机械有限公司 | Horizontal type coal briquette drying machine |
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