CN115585639A - Coal slime drying device - Google Patents

Coal slime drying device Download PDF

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Publication number
CN115585639A
CN115585639A CN202211291720.9A CN202211291720A CN115585639A CN 115585639 A CN115585639 A CN 115585639A CN 202211291720 A CN202211291720 A CN 202211291720A CN 115585639 A CN115585639 A CN 115585639A
Authority
CN
China
Prior art keywords
drum
coal slime
roller
drying device
air inlet
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202211291720.9A
Other languages
Chinese (zh)
Inventor
高志海
戚育健
王升
张国华
洪锐
何俊华
程建国
贾林
王友才
李明栋
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guoneng Minquan Thermal Power Co ltd
Original Assignee
Guoneng Minquan Thermal Power Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Guoneng Minquan Thermal Power Co ltd filed Critical Guoneng Minquan Thermal Power Co ltd
Priority to CN202211291720.9A priority Critical patent/CN115585639A/en
Publication of CN115585639A publication Critical patent/CN115585639A/en
Pending legal-status Critical Current

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Classifications

    • 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
    • F26B11/0477—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 for mixing, stirring or conveying the materials to be dried, e.g. mounted to the wall, rotating with the drum
    • 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
    • F26B11/028—Arrangements for the supply or exhaust of gaseous drying medium for direct heat transfer, e.g. perforated tubes, annular passages, burner arrangements, dust separation, combined direct and indirect heating
    • 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
    • F26B21/004—Nozzle assemblies; Air knives; Air distributors; Blow boxes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B23/00—Heating arrangements
    • F26B23/04—Heating arrangements using electric heating
    • F26B23/06—Heating arrangements using electric heating resistance heating
    • 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
    • F26B25/04—Agitating, stirring, or scraping devices
    • 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
    • F26B25/22—Controlling the drying process in dependence on liquid content of solid materials or objects

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Drying Of Solid Materials (AREA)

Abstract

The utility model relates to a coal slime drying device includes: the roller is used for containing coal slime, the central axis of the roller is horizontally arranged, and an opening is formed at the front end of the roller; the mounting rack is used for movably mounting the roller; the first driving mechanism is used for driving the roller to rotate around the central axis of the roller relative to the mounting frame; the fan blows air into the roller through the air inlet pipe; and a heating member for heating a space inside the drum. During the use, the fan is towards the inside gas that flows that carries of cylinder, and the heater block makes and keeps the steam of constant temperature in order to evaporate the coal slime in the cylinder, and the evaporation steam in the cylinder is taken away in the gaseous open end outflow of following the cylinder of flow to reach the effect of invariable temperature fast drying coal slime.

Description

Coal slime drying device
Technical Field
The utility model relates to a coal slime field of handling, specifically, relate to a coal slime drying device.
Background
The coal slime is the byproduct that produces in the coal mine production process, is the mud form, has the moisture height, and the high characteristics of viscosity, combustible property is poor, can't use in conventional thermal generator set.
The power plant adopts the coal slime to burn for reduce cost and generates electricity, and the coal slime of purchasing outward needs to carry out the analysis chemical examination in the very short time, because the coal slime, need remove moisture when using, but the temperature need keep about 40 ℃ just can guarantee burning quality when getting rid of moisture, adopts the light struck to evaporate moisture at present, and this kind of mode needs several days time to some dusts of naked light can the adhesion, thereby influence analysis effect.
Disclosure of Invention
An object of the present disclosure is to provide a coal slime drying device to at least partially solve the problems in the related art.
In order to realize above-mentioned purpose, this disclosure provides a coal slime drying device, includes: the roller is used for containing coal slime, the central axis of the roller is horizontally arranged, and an opening is formed at the front end of the roller; the mounting rack is used for movably mounting the roller; the first driving mechanism is used for driving the roller to rotate around the central axis of the roller relative to the mounting frame; the fan blows air into the roller through the air inlet pipe; and a heating member for heating a space inside the drum.
Optionally, the heating device further comprises a first sealing box covered outside the drum, and the heating part comprises a heating wire arranged between the drum and the first sealing box.
Optionally, the first seal box and the heating wire are fixed to the mounting frame, respectively, and the heating wire is configured as an elongated strip parallel to the central axis of the drum.
Optionally, the heating element comprises a heater disposed at an outlet end of the blower or in the air inlet duct.
Optionally, the air inlet pipe extends from the rear end to the front end of the air inlet pipe along the central axis of the drum, and an air opening is formed in the side wall of the air inlet pipe located in the drum, wherein a plurality of stirring claws extending radially outwards are arranged at intervals along the axial direction of the part, located in the drum, of the air inlet pipe.
Optionally, one end of the air inlet pipe, which is located in the drum and close to the front end, is configured as a closed structure, and the air opening is opened in the air inlet pipe, which is located in the drum and close to the rear end of the drum.
Optionally, the extending directions of two adjacent stirring claws are opposite.
Optionally, the mounting bracket includes the second bearing and is used for supporting the supporting seat of second bearing, the inner circle cover of second bearing is in the periphery of air-supply line, the rear end face of cylinder is formed with and is used for the cover to establish mounting hole on the outer lane of second bearing, the inside position that is close to the front end of cylinder sets up first bearing and is used for the installation the bearing mounting bracket of first bearing, the position that is close to the front end of air-supply line stretches into in the inner circle of first bearing.
Optionally, the air-supply line includes first pipeline section and the second pipeline section of relative swivelling joint, second pipeline section part stretches into in the cylinder, first pipeline section is connected the fan, wherein, coal slime drying device is still including the drive the second pipeline section is relative first pipeline section pivoted second actuating mechanism.
Optionally, still including moving the connection and being in the protection casing of cylinder front end in order to form the enclosure space, keeping away from of protection casing one side of cylinder is provided with the first gate of switch, the cylinder is relative the protection casing rotates, still including stretching into play tuber pipe in the protection casing.
Optionally, a funnel is arranged at a position, close to the lower part, of the protective cover so as to collect coal slime discharged by the roller.
Optionally, a spoiler is disposed inside the drum near the front end to prevent the coal slurry from overflowing from the front end of the drum when the spoiler follows the drum to rotate in one direction, and to guide the coal slurry to be discharged from the front end of the drum and to enter the hopper when the spoiler follows the drum to rotate in another direction.
Optionally, an exhaust fan is arranged at one end of the air outlet pipe, which is far away from the protective cover.
Optionally, be provided with temperature sensor and humidity transducer in the tuber pipe.
Optionally, still including the second seal box who is used as the outer shield, going out keeping away from of tuber pipe the one end of protection casing is stretched out the second seal box, keeping away from of fan the one end of air-supply line is stretched out the second seal box, being close to of second seal box the position of first gate is provided with the sealing door of switch.
Optionally, the mounting rack further comprises a bearing plate for bearing the roller, and a plurality of support feet are arranged below the bearing plate, wherein at least part of the support feet are configured to be height-adjustable.
Optionally, the first driving mechanism includes a first motor, a speed reducer connected to the first motor, and a gear connected to the speed reducer, and a gear ring engaged with the gear is provided on an outer circumference of the drum near the front end.
Through above-mentioned technical scheme, coal slime drying device is when using, and the fan is towards the inside gas that flows that carries of cylinder, and the heater block makes and keeps constant temperature in the cylinder with the steam of evaporation coal slime, and the evaporation steam in the cylinder is taken away in the gaseous open end outflow of cylinder of following to reach the effect of constant temperature fast drying coal slime.
Additional features and advantages of the disclosure will be set forth in the detailed description which follows.
Drawings
The accompanying drawings, which are included to provide a further understanding of the disclosure and are incorporated in and constitute a part of this specification, illustrate embodiments of the disclosure and together with the description serve to explain the disclosure without limiting the disclosure. In the drawings:
fig. 1 is a schematic view of a coal slurry drying apparatus according to an exemplary embodiment of the present disclosure.
Description of the reference numerals
10-a roller; 20-a mounting frame; 21-a second bearing; 22-a support seat; 23-a carrier plate; 30-a first drive mechanism; 31-a first motor; 32-a speed reducer; 33-gear wheel; 40-an air inlet pipe; 41-a first tube section; 42-a second tube section; 421-tuyere; 50-air outlet pipe; 51-an exhaust fan; 60-a fan; 70-a first seal box; 80-heating wires; 81-frame body; 90-stirring and grabbing; 100-a second drive mechanism; 110-a bearing mount; 120-a first bearing; 130-a second seal box; 131-a sealing door; 140-a dust remover; 150-a protective cover; 151-first gate; 160-spoiler; 170-a funnel; 180-leg; 190-wool felt.
Detailed Description
The following detailed description of specific embodiments of the present disclosure is provided in connection with the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present disclosure, are given by way of illustration and explanation only, not limitation.
In the present disclosure, unless otherwise specified, the use of the directional terms "upper and lower" is defined based on the drawing direction, specifically the direction of arrow a shown in fig. 1. "inner and outer" shall be defined based on the structure of the relevant component part itself, for example: the first seal box covering the outer side of the roller means that the roller is accommodated in the accommodating space of the first seal box; the inner ring of the second bearing is sleeved on the periphery of the air inlet pipe, namely the air inlet pipe extends into the mounting hole with the smallest diameter of the second bearing; the used front end and rear end are defined based on the space when in use, one side for charging and discharging is the front end, and one side for arranging the fan is the rear end.
In addition, in the present disclosure, the terms "first", "second", and the like are used for distinguishing one element from another, without order or importance. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated.
Referring to fig. 1, a coal slurry drying device is provided, which includes a drum 10 for accommodating coal slurry, a mounting frame 20 for movably mounting the drum 10, a first driving mechanism 30 for driving the drum 10 to rotate around its central axis relative to the mounting frame 20, a heating member for heating a space in the drum 10, and a fan 60, wherein the fan 60 blows air into the drum 10 through an air inlet pipe 40, the central axis of the drum 10 is horizontally arranged, and an opening is formed at the front end of the drum. Here, the front end of the drum 10 is provided in an open shape for charging and discharging the slurry toward the drum 10 on the one hand, and discharging the gas flowing into the drum 10 on the other hand, thereby carrying away moisture of the slurry.
The drum 10 is not limited in structure by the present disclosure, and for example, in the embodiment of the present disclosure, the drum 10 may be cylindrical with a central axis extending in a horizontal direction. In addition, in other embodiments, the drum 10 may be a rectangular parallelepiped having a central axis extending in a horizontal direction.
In the embodiment of the present disclosure, the heating member heats the space of the drum 10 in various forms, for example: it can be directly heated by the heating means arranged inside the drum 10; or, the heating component outside the drum 10 is indirectly heated by providing the heating component, and the following will describe in detail the possible situation of the heating component, which will not be described in detail herein, and it is only necessary to make clear that the heating component is not specifically limited in this disclosure.
Through using above-mentioned technical scheme, during the use, fan 60 is towards the inside gas that flows that carries of cylinder 10, and the heater block makes and keeps constant temperature in the cylinder 10 with the steam of evaporation coal slime, and the evaporation steam in the cylinder 10 is taken away in the gaseous outflow of opening end from cylinder 10 of flowing to reach the effect of invariable temperature fast drying coal slime.
Referring to fig. 1, in some embodiments, the coal slurry drying apparatus may further include a first seal box 70 disposed outside the drum 10, and the heating means includes a heating wire 80 disposed between the drum 10 and the first seal box 70. The first seal box 70 covers the outside of the drum 10 and is matched with the heating wire 80 to form a constant temperature zone around the periphery of the drum 10, so that the temperature inside the drum 10 is ensured to be constant to dry coal slime.
Further, referring to fig. 1, the first seal box 70 and the heating wire 80 may be respectively fixed on the mounting bracket 20, and the heating wire 80 may be configured in a long shape parallel to the central axis of the drum 10. Here, it should be noted that the first sealing box 70 and the heating wire 80 are respectively fixed to a carrier plate 23, which will be described later, and the carrier plate 23 is a part of the mounting bracket 20. The number of the heating wires 80 may be one or more; the overall course is straight, but may extend in a curved manner.
In order to fix the heating wire 80, referring to fig. 1, in the embodiment of the present disclosure, a frame body 81 for fixedly mounting the heating wire 80 is provided on the bearing plate 23, and in operation, the drum 10 can be rotated with respect to the fixed heating wire 80, so that the surface of the drum 10 can be uniformly heated at various positions. In addition, in other embodiments, the heating wires 80 may be uniformly distributed on the outer circumference of the drum 10 to achieve uniform heating at various positions of the drum 10, which is not limited in the present disclosure.
In addition to the heating in the form of the heating wire 80 described above, in other embodiments, the heating element may also include a heater disposed at the outlet end of the fan 60 or in the air inlet duct 40. The heater may be a conventional resistance heater, which is energized to generate heat with a resistance wire so as to heat air flowing toward the drum 10, the heated flowing air enters the inside of the drum 10 to heat the inner space, and the heating temperature of the resistance heater may be adjusted according to the real-time temperature inside the drum 10 so as to stabilize the temperature inside the drum 10. In addition, in other embodiments, the heater may also be an electromagnetic heater, an infrared heater, or the like, which is not limited by the disclosure.
Referring to fig. 1, in the embodiment of the present disclosure, the air inlet duct 40 may extend from a rear end to a front end of the drum 10 along a central axis of the drum 10, and a side wall of the air inlet duct 40 located in the drum 10 is opened with an air opening 421, so that flowing air generated by the fan 60 enters the inside of the drum 10 through the air opening 421.
Further, in order to enable the coal slurry to be more sufficiently stirred when the drum 10 rotates so as to be rapidly dried, the portion of the air inlet duct 40 located inside the drum 10 may be provided with a plurality of stirring claws 90 extending radially outward at intervals along the axial direction thereof. During operation, the stirring claw 90 can enable the coal slime to be fully refined and scattered so as to increase the heating area and the evaporation area, and therefore rapid drying is achieved.
The number and shape of the stirring claws 90 are not limited in the present disclosure, for example, in the embodiment of the present disclosure, the number of the stirring claws 90 may be 7, and the shape of the stirring claws 90 may be a three-forked shape. Furthermore, in other embodiments, the number of stirring claws 90 may be 5, 6, etc., and the shape of the stirring claws 90 may be bucket-shaped.
Referring to fig. 1, in order to increase the stirring effect of the stirring claws 90, in the embodiment of the present disclosure, the extending directions of the two stirring claws 90 may be configured to be opposite.
Referring to fig. 1, in the embodiment of the present disclosure, an end of the air inlet duct 40 located near the front end in the drum 10 is configured as a closed structure, and the tuyere 421 may be opened at a position of the air inlet duct 40 located near the rear end of the drum 10 in the drum 10. So design to make flowing gas can flow in from the rear end of cylinder 10, flow out from the front end of cylinder 10, flowing gas almost can flow through the whole accommodation space of cylinder 10, can be more abundant contact with the coal slime in order to take away the evaporation steam in the cylinder 10.
The number of the tuyere 421 is not limited in the present disclosure, for example, in some embodiments, the number of the tuyere 421 may be one. Further, in other embodiments, the number of the air ports 421 may be two, three, etc. in order to increase the flow rate of the air.
Referring to fig. 1, in an embodiment of the present disclosure, the mounting bracket 20 may include a second bearing 21 and a supporting seat 22 for supporting the second bearing 21, an inner ring of the second bearing 21 is fitted around an outer circumference of the air inlet duct 40, and a mounting hole for fitting over an outer ring of the second bearing 21 is formed on a rear end surface of the drum 10. By providing the second bearing 21 and the supporting seat 22, on one hand, the drum 10 can be arranged in an overhead manner and can rotate around its central axis relative to the mounting frame 20, and on the other hand, the drum can be used for fixedly mounting the air inlet pipe 40, and the air inlet pipe 40 can rotate relative to the second bearing 21, which will be described in detail below.
Further, in order to secure the installation strength of the air inlet duct 40, referring to fig. 1, in some embodiments, a first bearing 120 and a bearing mounting bracket 110 for mounting the first bearing 120 may be provided at a position near the front end inside the drum 10, and the position near the front end of the air inlet duct 40 is inserted into an inner ring of the first bearing 120. First, it should be noted that the bearing mounting bracket 110 is configured to include a mounting ring for mounting the first bearing 120 and a plurality of links connected between an outer circumferential surface of the mounting ring and an inner circumferential surface of the drum 10, and the plurality of links are spaced around an outer circumference of the mounting ring. The air inlet duct 40 is inserted into the inner race of the first bearing 120 to be supported while being rotatable with respect to the first bearing 120.
Referring to fig. 1, in an embodiment of the present disclosure, the air inlet duct 40 may include a first duct section 41 and a second duct section 42 rotatably connected with each other, the second duct section 42 partially extends into the drum 10, the first duct section 41 is connected with the fan 60, and the coal slurry drying apparatus further includes a second driving mechanism 100 for driving the second duct section 42 to rotate relative to the first duct section 41. By arranging the second driving mechanism 100, the second pipe section 42 and the roller 10 are driven to rotate reversely, so that the coal slime can be fully stirred, and the drying efficiency is improved; when it drives the first pipe segment 41 and the drum 10 to rotate in the same direction, it can reduce dust in the drum 10 and facilitate the discharge of the drum 10 outward.
The present disclosure does not limit the specific implementation manner of the second driving mechanism 100, for example, in an embodiment of the present disclosure, the second driving mechanism 100 may include a motor, a pulley, and a belt, a rim engaged with the belt is formed on the outer periphery of the second pipe segment 42, the motor drives the pulley to rotate, the pulley drives the belt to move, and the belt drives the second pipe segment 42 to rotate through the rim. In addition, in other embodiments, the second driving mechanism 100 may further include a motor and an output gear connected to an output end of the motor, in which case, the second pipe segment 42 may be formed with a gear ring on an outer periphery thereof, and the output gear is engaged with the gear ring to drive the second pipe segment 42 to rotate.
In order to meet the safety requirement of production (the rotating equipment cannot directly leak, i.e. a safety protection device must be provided), referring to fig. 1, in some embodiments, the coal slurry drying device may further include a protective cover 150 movably connected to the front end of the drum 10 to form a closed space, the open end of the protective cover 150 is fastened to the open end of the drum 10, and a wool felt 190 is provided therebetween, so that the drum 10 and the protective cover 150 are hermetically connected and the drum 10 can rotate relative to the protective cover 150. The side of the protection cover 150 far away from the drum 10 may be provided with a switchable first gate 151, so as to open the first gate 151 when charging is required and close the first gate 151 when drying is performed.
Further, referring to fig. 1, in the embodiment of the present disclosure, the coal slurry drying device further includes an air outlet pipe 50 extending into the protective cover 150. Since the front end of the drum 10 is open, the air in the drum 10 can flow into the protection cover 150 from the drum 10 and be exhausted through the air outlet pipe 50. The present disclosure does not limit the position of the air outlet pipe 50, for example, in some other embodiments, the air outlet pipe 50 may also directly extend into the drum 10.
To collect the dried coal slurry discharged from the drum 10, referring to fig. 1, in some embodiments, a hopper 170 may be disposed near a lower portion of the shield 150 to collect the coal slurry discharged from the drum 10. The funnel is provided with the flashboard of switch, when needs row material, removes the coal charge car to the funnel below, opens the flashboard, arranges the coal slime into the funnel and flows into in the coal charge car. Furthermore, in some other embodiments, the funnel 170 may be replaced by a guide plate, which is not limited by the present disclosure.
Referring to fig. 1, in some embodiments of the present disclosure, a spoiler 160 is provided inside the drum 10 near the front end to prevent the coal slurry from overflowing the front end of the drum 10 when it rotates in one direction following the drum 10, and to guide the coal slurry discharged from the front end of the drum 10 into the hopper 170 when it rotates in the other direction following the drum 10. Here, in some other embodiments, the spoiler 160 may be replaced by a helical blade (e.g., a blade structure of a conventional agitator), which guides the discharging material in the forward rotation and prevents the coal slurry from overflowing in the reverse rotation, which is not limited by the present disclosure.
In order to accelerate the air flow in the drum 10 and achieve the purpose of rapidly taking away the evaporated moisture inside the drum 10, referring to fig. 1, in an embodiment of the present disclosure, an exhaust fan 51 may be disposed at an end of the air outlet pipe 50 away from the protective cover 150.
In the embodiment of this disclosure, can be provided with temperature sensor and humidity transducer in the tuber pipe 50, can learn the degree of drying of coal slime in the cylinder 10 at any time through humidity transducer, can adjust foretell heating member in order to keep the inside constant temperature of cylinder 10 in real time through temperature transducer. The present disclosure does not limit the location of the temperature sensor and the humidity sensor, for example, in other embodiments, the temperature sensor and the humidity sensor may be directly disposed inside the drum 10.
In order to prevent the dust generated by the coal slurry drying device from polluting the air, referring to fig. 1, in some embodiments, the coal slurry drying device may further include a second sealing box 130 serving as an outer shield (i.e., the outermost side of the whole coal slurry drying device is a second sealing box 130, and all other components are disposed in the second sealing box 130), one end of the air outlet pipe 50 away from the shield 150 extends out of the second sealing box 130, and one end of the fan 60 away from the air inlet pipe 40 extends out of the second sealing box 130. Therefore, the dust generated by the device can be completely retained in the second seal box 130, and the air pollution is avoided.
Further, in order to uniformly collect the dust in the second hermetic container 130, referring to fig. 1, in some embodiments, the second hermetic container 130 may further be provided with a dust remover 140, and the dust remover 140 is used for collecting the dust inside the second hermetic container 130.
Referring to fig. 1, in some embodiments of the present disclosure, a position of the second seal box 130 adjacent to the first gate 151 may be provided with an openable and closable seal door 131. The sealing door is used for being opened when needing to feed in raw material or safety inspection, closes in order to guarantee safety when stoving work goes on.
In order to discharge the coal slurry from the front end of the drum 10 when the drying of the coal slurry is completed, referring to fig. 1, in the embodiment of the present disclosure, the mounting bracket 20 further includes a carrying plate 23 for carrying the drum 10, and a plurality of support legs 180 are disposed below the carrying plate 23, wherein at least a portion of the support legs 180 are configured to be height-adjustable. Here, in the embodiment of the present disclosure, the configuration of the plurality of legs 180 near the front end is height-adjustable, and the height thereof is lowered when discharging is required, so that the loading plate 23 is inclined to be lower right and higher left, and the drum 10 above the loading plate 23 is in a state that the front end is tilted downward to facilitate discharging. In addition, in some other embodiments, the position of the plurality of support legs 180 near the rear end may be configured to be adjustable in height, and when the material needs to be discharged, the right end of the drum 10 may be tilted downward by adjusting the height, which is not limited by the present disclosure.
The present disclosure is not limited to implementations in which the height of the leg 180 is adjustable. For example, in embodiments of the present disclosure, the foot 180 may include a pneumatic cylinder, with the adjustment of the height of the foot 180 being accomplished by the pneumatic cylinder. In addition, in some other embodiments, the leg 180 may be a lead screw structure through which the height adjustment is achieved.
In order to drive the drum 10 to rotate, referring to fig. 1, in an embodiment of the present disclosure, the first driving mechanism 30 may include a first motor 31, a reducer 32 connected to the first motor 31, and a gear 33 connected to the reducer 32, and an outer circumference of the drum 10 near the front end is provided with a ring gear 34 engaged with the gear 33. On one hand, the gear 33 can be matched with the gear ring 34 to drive the gear ring 34 to rotate, so as to drive the drum 10 to rotate, and on the other hand, the gear 33 can also play a role of supporting the front end of the drum 10.
In order to facilitate understanding of the technical solution, the following describes the whole working process of the coal slurry drying device with reference to fig. 1, specifically:
firstly, the sealing door 131 is opened, then the first gate 151 on the protective cover 150 is opened, coal slime is fed into the drum 10, the sealing door 131 and the first gate 151 are closed, the second driving mechanism 100 drives the second pipe section 42 to rotate, the first driving mechanism 30 drives the drum 10 to rotate relative to the mounting frame 20, the rotation directions of the second pipe section 42 and the drum 10 are opposite, meanwhile, the fan 60 sends hot air into the second pipe section 42 and then discharges the hot air into the drum 10 from the air port 421, the temperature in the drum 10 is kept at a constant temperature of 40 ℃ by matching with the heating wires to dry the coal slime, the exhaust fan 51 is started to discharge the hot air in the drum 10, after the humidity sensor detects that the humidity reaches a standard, the fan 60 and the heating wires 80 are stopped, the discharging vehicle is placed under the hopper 170, the second pipe section 42 and the drum 10 are controlled to rotate in the same direction (dust is not easy to be raised and can also help to discharge), the control support foot 180 enables the bearing plate 23 and the drum 10 to be in an inclined state (the front end is low and the rear end is high), and the coal slime enters the charging vehicle along the hopper 170, wherein, the sealing door 131 is opened and the discharging operation is checked, and the discharging operation is closed.
The preferred embodiments of the present disclosure are described in detail with reference to the accompanying drawings, however, the present disclosure is not limited to the specific details of the above embodiments, and various simple modifications may be made to the technical solution of the present disclosure within the technical idea of the present disclosure, and these simple modifications all belong to the protection scope of the present disclosure.
It should be noted that, in the foregoing embodiments, various features described in the above embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, various combinations that are possible in the present disclosure are not described again.
In addition, any combination of various embodiments of the present disclosure may be made, and the same should be considered as the disclosure of the present disclosure, as long as it does not depart from the spirit of the present disclosure.

Claims (17)

1. The utility model provides a coal slime drying device which characterized in that includes:
the roller is used for containing coal slime, the central axis of the roller is horizontally arranged, and an opening is formed at the front end of the roller;
the mounting rack is used for movably mounting the roller;
the first driving mechanism is used for driving the roller to rotate around the central axis of the roller relative to the mounting frame;
the fan blows air into the roller through the air inlet pipe; and
and a heating member for heating a space inside the drum.
2. The coal slime drying device of claim 1, further comprising a first seal box covering the outside of the drum, wherein the heating member comprises a heating wire disposed between the drum and the first seal box.
3. The coal slime drying device of claim 2, wherein the first seal box and the heating wire are respectively fixed on the mounting frame, and the heating wire is configured as a long strip parallel to the central axis of the drum.
4. The coal slurry drying device as claimed in any one of claims 1 to 3, wherein the heating member comprises a heater disposed at an outlet end of the fan or in the air inlet pipe.
5. The coal slime drying device of claim 1, wherein the air inlet pipe extends from the rear end to the front end of the air inlet pipe along the central axis of the drum, and an air port is formed in the side wall of the air inlet pipe positioned in the drum, wherein a plurality of stirring claws extending radially outwards are arranged at intervals along the axial direction of the part of the air inlet pipe positioned in the drum.
6. The coal slime drying device of claim 5, wherein an end of the air inlet pipe near the front end of the drum is configured as a closed structure, and the air opening is opened at a position of the air inlet pipe near the rear end of the drum.
7. The coal slime drying device of claim 5, wherein two adjacent stirring claws extend in opposite directions.
8. The coal slime drying device of claim 5, wherein the mounting bracket comprises a second bearing and a support seat for supporting the second bearing, an inner ring of the second bearing is sleeved on the periphery of the air inlet pipe, and a mounting hole for being sleeved on an outer ring of the second bearing is formed in the rear end face of the roller;
the air inlet pipe is characterized in that a first bearing and a bearing mounting frame used for mounting the first bearing are arranged at the position, close to the front end, inside the roller, and the position, close to the front end, of the air inlet pipe extends into an inner ring of the first bearing.
9. The coal slime drying device of claim 5, wherein the air inlet pipe comprises a first pipe section and a second pipe section which are connected in a relatively rotatable manner, the second pipe section partially extends into the roller, the first pipe section is connected with the fan, and the coal slime drying device further comprises a second driving mechanism for driving the second pipe section to rotate relative to the first pipe section.
10. The coal slime drying device of claim 1, further comprising a protective cover movably connected to the front end of the roller to form a closed space, one side of the protective cover, which is far away from the roller, is provided with a first gate capable of being opened and closed, the roller is opposite to the protective cover, and the protective cover further comprises an air outlet pipe extending into the protective cover.
11. The coal slime drying device of claim 10, wherein a hopper is disposed near a lower portion of the shield to collect the coal slime discharged from the drum.
12. The coal slurry drying apparatus as set forth in claim 11, wherein a spoiler is provided inside the drum near the front end to prevent the coal slurry from overflowing the front end of the drum when it follows the drum to rotate in one direction and to guide the coal slurry to be discharged from the front end of the drum and into the hopper when it follows the drum to rotate in the other direction.
13. The coal slime drying device of claim 11, wherein an exhaust fan is disposed at an end of the air outlet pipe away from the protective cover.
14. The coal slime drying device of claim 11, wherein a temperature sensor and a humidity sensor are arranged in the air outlet pipe.
15. The coal slime drying device of claim 11, further comprising a second seal box used as an outer shield, the air outlet pipe is far away from one end of the shield cover extends out of the second seal box, the fan is far away from one end of the air inlet pipe extends out of the second seal box, the position of the second seal box, which is close to the first gate, is provided with a switchable sealing door.
16. The coal slime drying apparatus of claim 1, wherein the mounting rack further comprises a carrying plate for carrying the drum, a plurality of support legs are disposed below the carrying plate, wherein at least some of the support legs are configured to be height adjustable.
17. The coal slime drying device of claim 1, wherein the first driving mechanism comprises a first motor, a speed reducer connected with the first motor, and a gear connected with the speed reducer, and a gear ring matched with the gear is arranged on the periphery of the drum close to the front end.
CN202211291720.9A 2022-10-19 2022-10-19 Coal slime drying device Pending CN115585639A (en)

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CN202211291720.9A CN115585639A (en) 2022-10-19 2022-10-19 Coal slime drying device

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Application Number Priority Date Filing Date Title
CN202211291720.9A CN115585639A (en) 2022-10-19 2022-10-19 Coal slime drying device

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Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102261828A (en) * 2011-05-27 2011-11-30 上海麦风微波设备有限公司 Energy-saving and environmentally-friendly drying method of coal slime and lignite and device thereof
CN104596233A (en) * 2015-02-12 2015-05-06 内蒙古科技大学 Self-sealing type low-rank coal and coal slime negative pressure drying device
CN105180609A (en) * 2015-09-25 2015-12-23 大田威斯特环保科技有限公司 Dryer for refuse disposal
CN209279572U (en) * 2018-11-22 2019-08-20 陕西天石实业有限责任公司 A kind of baking sand system
CN209445734U (en) * 2018-09-18 2019-09-27 霍州煤电集团霍源通新产业投资有限公司 A kind of coal slurry drying-machine sorted again for tail coal mud
CA3037720A1 (en) * 2018-03-27 2019-09-27 Ronning Engineering Company, Inc. Three stages single pass drying apparatus for particulate materials
CN211373061U (en) * 2019-10-10 2020-08-28 句容康泰膨润土有限公司 Bentonite cylinder drying device
CN214199506U (en) * 2020-12-29 2021-09-14 内蒙古巨力新型建材有限公司 Drying roller for machining sand of environment-friendly building
CN215638516U (en) * 2021-09-05 2022-01-25 大丰鑫源达化工有限公司 Photoinitiator absorption drying device

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102261828A (en) * 2011-05-27 2011-11-30 上海麦风微波设备有限公司 Energy-saving and environmentally-friendly drying method of coal slime and lignite and device thereof
CN104596233A (en) * 2015-02-12 2015-05-06 内蒙古科技大学 Self-sealing type low-rank coal and coal slime negative pressure drying device
CN105180609A (en) * 2015-09-25 2015-12-23 大田威斯特环保科技有限公司 Dryer for refuse disposal
CA3037720A1 (en) * 2018-03-27 2019-09-27 Ronning Engineering Company, Inc. Three stages single pass drying apparatus for particulate materials
CN209445734U (en) * 2018-09-18 2019-09-27 霍州煤电集团霍源通新产业投资有限公司 A kind of coal slurry drying-machine sorted again for tail coal mud
CN209279572U (en) * 2018-11-22 2019-08-20 陕西天石实业有限责任公司 A kind of baking sand system
CN211373061U (en) * 2019-10-10 2020-08-28 句容康泰膨润土有限公司 Bentonite cylinder drying device
CN214199506U (en) * 2020-12-29 2021-09-14 内蒙古巨力新型建材有限公司 Drying roller for machining sand of environment-friendly building
CN215638516U (en) * 2021-09-05 2022-01-25 大丰鑫源达化工有限公司 Photoinitiator absorption drying device

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