WO2020220898A1 - 一种隧道式干燥机 - Google Patents

一种隧道式干燥机 Download PDF

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Publication number
WO2020220898A1
WO2020220898A1 PCT/CN2020/081998 CN2020081998W WO2020220898A1 WO 2020220898 A1 WO2020220898 A1 WO 2020220898A1 CN 2020081998 W CN2020081998 W CN 2020081998W WO 2020220898 A1 WO2020220898 A1 WO 2020220898A1
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WIPO (PCT)
Prior art keywords
hopper
early warning
hot air
lifting
stirring
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PCT/CN2020/081998
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English (en)
French (fr)
Inventor
蔡远明
胡宗明
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南京研正干燥设备有限公司
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Publication of WO2020220898A1 publication Critical patent/WO2020220898A1/zh

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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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
    • F26B25/02—Applications of driving mechanisms, not covered by another subclass

Definitions

  • the utility model relates to the technical field of drying equipment, in particular to a tunnel dryer.
  • the dryer is widely used for drying and dewatering materials and products in the pharmaceutical, chemical, food, light industry, heavy industry and other industries.
  • Traditional dryers use steam coils for heating and drying, and use natural wind for ventilation. This drying produces the following defects: (1) It requires manual feeding and discharging, which is time-consuming and labor-intensive; (2) It takes a long time to reduce drying.
  • the purpose of the present invention is to provide a tunnel dryer, which has a simple structure, saves time and effort, is evenly heated, has high drying efficiency and high thermal energy utilization.
  • a tunnel dryer including a feeding mechanism, a tunnel drying box, a discharge storage box, and a conveyor belt, one end of the conveyor belt is located at the feeding mechanism The lower position and the other end penetrates the tunnel drying box and is set above the discharge storage box;
  • the feeding mechanism includes a hopper, a stirring mechanism, and an early warning mechanism.
  • the top of the hopper is the inlet and the bottom is the outlet.
  • the stirring mechanism includes a stirring motor, a stirring blade, a stirring drive shaft, the stirring motor is arranged outside the lower side wall of the hopper; one end of the stirring drive shaft is connected with the stirring motor and is arranged through the hopper, so
  • the mixing blades are located in the hopper and spirally arranged on the circumference of the mixing drive shaft;
  • the early warning mechanism includes an early warning motor, an early warning transmission shaft, and an early warning blade, the early warning motor is arranged outside the upper side wall of the hopper; the early warning transmission One end of the shaft is connected with the early warning motor, and the other end passes through the side wall of the hopper and is located in the hopper; the early warning blade is arranged at the end of the early warning drive shaft in the hopper and is located above the mixing blade;
  • the tunnel drying box body It includes a main body, a partition board, a hot air box, a hot air pipe, a hot air stove, and a hot air circulation pump.
  • the partition board is arranged in the main body and divides the main body into a drying chamber at the lower part and a circulation chamber at the upper part.
  • the hot air box is arranged in the drying room, and one side of the hot air box is provided with The air filter, the air distribution plate, and the other side of the hot air box are provided with a blowing port and a fresh air port; the air inlet is in communication with the fresh air port, and a blowing fan is provided on the body at the blowing port; One end is connected with the air outlet of the hot blast stove, and the other end is connected with the air inlet of the hot blast stove after passing through the hot blast box and the hot blast circulating pump in sequence.
  • the conveyor belt is driven by a conveyor belt drive mechanism, which is located on the frame.
  • the feeding mechanism is moved in the vertical direction by a lifting mechanism.
  • the lifting mechanism includes a lifting slide bar, a lifting slide, and a lifting motor.
  • the lifting motor controls the lifting slide to perform on the lifting slide.
  • Vertical movement; the lifting slider is vertically connected with a lifting link, which is connected with the outer wall of the hopper.
  • the outer wall of the hopper is provided with a light indicator, a buzzer, and a silence button.
  • the discharge port of the hopper is provided with a shortage detector.
  • a circulation mechanism is further included, and the circulation mechanism communicates with the drying chamber and the circulation chamber.
  • the utility model has the beneficial effects: the utility model has a simple structure, saves time and effort, is heated uniformly, has high drying efficiency and high thermal energy utilization rate.
  • Figure 1 is a schematic diagram of the structure of the utility model
  • Figure 2 is a schematic diagram of the structure of the tunnel drying box of the present invention.
  • a tunnel dryer includes a feeding mechanism 1, a tunnel drying box body 2, a discharge storage box 3, and a conveyor belt 4.
  • One end of the conveyor belt 4 is located below the feeding mechanism 1. The other end penetrates through the tunnel drying box 2 and is located above the discharge storage box 3; the feeding mechanism 1 includes a hopper 11, a stirring mechanism, and an early warning mechanism.
  • the top of the hopper 11 is a feeding port 12 , The bottom is the discharge port 13;
  • the stirring mechanism includes a stirring motor 14, a stirring blade 15, a stirring drive shaft 16, the stirring motor 14 is arranged outside the lower side wall of the hopper 11; one end of the stirring drive shaft 16 and the stirring The motor 14 is connected to and penetrates the hopper 11, and the stirring blade 15 is located in the hopper 11 and spirally arranged on the circumference of the stirring drive shaft 16;
  • the early warning mechanism includes an early warning motor 17, an early warning drive shaft 18, and an early warning Blade 19, the warning motor 17 is arranged outside the upper side wall of the hopper 11; one end of the warning transmission shaft 18 is connected to the warning motor 17, and the other end passes through the side wall of the hopper 11 and is located in the hopper 11; the warning blade 19 is arranged
  • the early warning drive shaft 18 is located at the end of the hopper 11 and above the mixing blade 15;
  • the tunnel drying box 2 includes a main body 21, a partition 22, a hot air box 23, a hot air
  • the partition 22 is provided with a plurality of ventilation holes 29;
  • the drying chamber 27 is provided with an air inlet 210 and a circulating air outlet 211, and the top of the circulating chamber 28 is provided with an air outlet 212;
  • the hot air box 23 is arranged in the drying chamber 27, and one side of the hot air box 23
  • the air filter 213 and the air distribution plate 214 are provided, and the other side of the hot air box 23 is provided with a blowing port 215 and a fresh air port 216;
  • the air inlet 210 is in communication with the fresh air port 216, and the body 21 at the blowing port 215
  • There is a blowing fan 217; one end of the hot blast pipe 24 is connected with the air outlet of the hot blast stove 25, and the other end passes through the hot blast box 23 and the hot blast circulation pump 26 in turn, and then is connected with the air inlet of the hot blast stove 25.
  • the conveyor belt 4 is driven by a conveyor belt drive mechanism 41, and the conveyor belt drive mechanism 41 is located on the frame 5.
  • the material to be dried is discharged onto the conveyor belt 4 through the feeding mechanism 1, and is driven by the conveyor belt driving mechanism 41 to be sent to the tunnel drying box 2 for drying, and finally transferred to the discharge storage box 3 for storage ,save time and energy.
  • the feeding mechanism 1 is moved in the vertical direction by a lifting mechanism 6.
  • the lifting mechanism 6 includes a lifting slide 61, a lifting slide 62, and a lifting motor 63.
  • the lifting motor 63 controls the lifting slide 62 in the vertical direction.
  • the lifting slide bar 61 performs a vertical movement; the lifting slide 62 is vertically connected with a lifting link 64 which is connected to the outer wall of the hopper 11.
  • the lifting mechanism 6 controls the lifting of the upper hopper 11 to carry out feeding and discharging of materials.
  • the outer wall of the hopper 11 is provided with a light indicator 7, a buzzer 8, and a silence button 9.
  • the discharge port 13 of the hopper 11 is provided with a shortage detector 110.
  • the shortage detector 110 detects that the pressure is insufficient, the light indicator 7 will flash, and the buzzer 8 will emit a loud alarm to remind the operator to check the feeding.
  • the material in the hopper 11 exceeds the shortage.
  • the material shortage detector 110 detects that the material pressure is normal and automatically stops the alarm; the light indicator 7, the buzzer 8, and the silence button 9 are all set on the outer side wall of the hopper 11.
  • a circulation mechanism 10 is further included, and the circulation mechanism 10 communicates with the drying chamber 27 and the circulation chamber 28.
  • thermometer 218 is provided in the circulation chamber 28, which can monitor the temperature in the main body 21 in time to avoid damage.
  • the materials to be dried are placed in the hopper 11, and the stirring mechanism is stirred.
  • the materials fall on the conveyor belt 4 and are transported to the drying chamber 27.
  • the hot air stove 25 is turned on, and the hot air passes through the hot air duct 24 In the box 23, the hot air flows out from the air filter 213 and the air distribution plate 214 to dry the wet products, while the moisture enters the circulation chamber 28 from the ventilation holes 29 of the partition 22, and then is discharged from the air outlet 212, and then passes through the circulation mechanism After 10, it enters the drying chamber 27 again from the circulating air outlet 211 for recycling.
  • the air inlet 210 on the drying chamber 27 can be filled with fresh air in time, and the blowing fan 217 blows the fresh air into the drying chamber 27.
  • the conveyor belt 4 is conveyed to the discharge storage box 3.

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

Abstract

一种隧道式干燥机，包括进料机构（1）、隧道式干燥箱体（2）、出料存储箱（3）、传送带（4），传送带（4）的一端位于进料机构（1）的下方位置、另一端贯穿隧道式干燥箱体（2）并设置于出料存储箱（3）的上方位置；进料机构（1）包括料斗（11）、搅拌机构、预警机构，料斗（11）的顶部为进料口（12）、底部为出料口（13）；搅拌机构包括搅拌电机（14）、搅拌叶片（15）、搅拌传动轴（16），预警机构包括预警电机（17）、预警传动轴（18）、预警叶片（19）；隧道式干燥箱体（2）包括本体（21）、隔板（22）、热风箱（23）、热风管道（24）、热风炉（25）、热风循环泵（26）。该隧道式干燥机结构简单，省时省力，受热均匀，干燥效率高，热能源利用率高。

Description

一种隧道式干燥机 技术领域
本实用新型涉及干燥设备技术领域，尤其涉及了一种隧道式干燥机。
背景技术
干燥机广泛适用制药、化式、食品、轻工、重工等行业物料及产品的干燥脱水。如：原料药、生药、中药饮片、粉剂、颗粒、冲剂、大小蜜丸包装瓶、颜料、染料、脱水蔬菜、瓜果干、得香肠、塑料树脂、电气原件、烘漆等。传统的干燥机采用蒸汽盘管进行加热干燥，利用自然风进行通风，这样干燥产生如下缺陷：(1)需要人工进行加料、出料，耗时耗力；(2)时间比较长，降低了干燥效率，且水分控制不稳定，水蒸气排放不流畅，产生的热气从产品的一侧向另一侧传递，造成产品干燥不均匀，容易产品一致性差；(3)热能的利用效率低下，随着能源问题的日益紧张、节能减排受到重视。
发明内容
针对现有技术存在的不足，本实用新型的目的就在于提供了一种隧道式干燥机，结构简单，省时省力，受热均匀，干燥效率高，热能源利用率高。
为了实现上述目的，本实用新型采用的技术方案是这样的：一种隧道式干燥机，包括进料机构、隧道式干燥箱体、出料存储箱、传送带，所述传送带的一端位于进料机构的下方位置、另一端贯穿隧道式干燥箱体并设置于出料存储箱的上方位置；所述进料机构包括料斗、搅拌机构、预警机构，所述料斗的顶部为进料口、底部为出料口；所述搅拌机构包括搅拌电机、搅拌叶片、搅拌传动轴，所述搅拌电机设置于料斗下部侧壁外；所述搅拌传动轴的一端与搅拌电机相连接并贯穿设置于料斗上，所述搅拌叶片位于料斗内并呈螺旋状设置于搅拌传动轴的周部；所述预警机构包括预警电机、预警传动轴、预警叶片，所述预警电机设置于料斗上部侧壁外；所述预警传动轴一端与预警电机相连接，另一端穿过料斗侧壁位于料斗内；所述预警叶片设置于预警传动轴位于料斗内的端部，并位于搅拌叶片的上方位置；所述隧道式干燥箱体包括本体、隔板、热风箱、热风管道、热风炉、热风循环泵，所述隔板设置于本体内并将本体分为位于下部的干燥室与位于上部的循环室，所述隔板上开设有多个通风孔；所述干燥室上设置有进风口、循环风口，所述循环室的顶部设置有排风口；所述热风箱设置于干燥室内，且热风箱件的一侧部设置有空气过滤器与分风板、热风箱的另一侧部设置有吹风口与新风口；所述进风口与新风口联通，所述吹风口处的本体上设置有吹风扇；所述热风 管道的一端与热风炉的出气口相连接，另一端依次穿过热风箱、热风循环泵后与热风炉的进气口相连接。
作为一种优选方案，所述传送带通过传送带驱动机构传动，该传送带驱动机构位于机架上。
作为一种优选方案，所述进料机构通过升降机构在竖直方向上运动，该升降机构包括升降滑杆、升降滑块、升降电机，所述升降电机控制升降滑块在升降滑杆上做竖直运动；所述升降滑块上垂直连接有升降连杆，该升降连杆与料斗外壁相连接。
作为一种优选方案，所述料斗外壁设置有灯光指示灯、蜂鸣器、消音按钮。
作为一种优选方案，所述料斗的出料口设置有缺料探测器。
作为一种优选方案，还包括有循环机构，所述循环机构联通干燥室与循环室。
与现有技术相比，本实用新型的有益效果：本实用新型结构简单，省时省力，受热均匀，干燥效率高，热能源利用率高。
附图说明
图1是本实用新型的结构示意图；
图2是本实用新型中隧道式干燥箱体的结构示意图。
具体实施方式
下面结合具体实施例对本实用新型作进一步描述。以下实施例仅用于更加清楚地说明本实用新型的技术方案，而不能以此来限制本实用新型的保护范围。
实施例：
如图1～2所示，一种隧道式干燥机，包括进料机构1、隧道式干燥箱体2、出料存储箱3、传送带4，所述传送带4的一端位于进料机构1的下方位置、另一端贯穿隧道式干燥箱体2并设置于出料存储箱3的上方位置；所述进料机构1包括料斗11、搅拌机构、预警机构，所述料斗11的顶部为进料口12、底部为出料口13；所述搅拌机构包括搅拌电机14、搅拌叶片15、搅拌传动轴16，所述搅拌电机14设置于料斗11下部侧壁外；所述搅拌传动轴16的一端与搅拌电机14相连接并贯穿设置于料斗11上，所述搅拌叶片15位于料斗11内并呈螺旋状设置于搅拌传动轴16的周部；所述预警机构包括预警电机17、预警传动轴18、预警叶片19，所述预警电机17设置于料斗11上部侧壁外；所述预警传动轴18一端与预警电机17相连接，另一端穿过料斗11侧壁位于料斗11内；所述预警叶片19设置于预警传动轴18位于料斗11内的端部，并位于搅拌叶片15的上方位置；所述隧道式干燥箱体2包括本体21、隔板22、热风箱23、热风管道24、热风炉25、热风循环泵26，所述隔板22设置于本体21内 并将本体21分为位于下部的干燥室27与位于上部的循环室28，所述隔板22上开设有多个通风孔29；所述干燥室27上设置有进风口210、循环风口211，所述循环室28的顶部设置有排风口212；所述热风箱23设置于干燥室27内，且热风箱23件的一侧部设置有空气过滤器213与分风板214、热风箱23的另一侧部设置有吹风口215与新风口216；所述进风口210与新风口216联通，所述吹风口215处的本体21上设置有吹风扇217；所述热风管道24的一端与热风炉25的出气口相连接，另一端依次穿过热风箱23、热风循环泵26后与热风炉25的进气口相连接。
具体的，所述传送带4通过传送带驱动机构41传动，该传送带驱动机构41位于机架5上。
进一步的，通过进料机构1将待干燥的物料出料至传送带4上，通过传送带驱动机构41传送驱动，送至隧道式干燥箱体2内进行干燥，最后传送至出料存储箱3内存储，省时省力。
具体的，所述进料机构1通过升降机构6在竖直方向上运动，该升降机构6包括升降滑杆61、升降滑块62、升降电机63，所述升降电机63控制升降滑块62在升降滑杆61上做竖直运动；所述升降滑块62上垂直连接有升降连杆64，该升降连杆64与料斗11外壁相连接。
进一步的，当需要进料、出料时，通过升降机构6控制上料斗11升降，进行对物料的进料与出料。
具体的，所述料斗11外壁设置有灯光指示灯7、蜂鸣器8、消音按钮9。
更为具体的，所述料斗11的出料口13设置有缺料探测器110。
进一步的，当料斗11内缺料时，缺料探测器110检测到压力不足，灯光指示灯7会闪烁，蜂鸣器8发出响亮的警报声，提醒操作人员检查加料，料斗11内物料超过缺料探测器110检测高度时，缺料探测器110检测到料压正常，自动停止报警；其中灯光指示灯7、蜂鸣器8、消音按钮9均设置于料斗11外侧壁上。
具体的，还包括有循环机构10，所述循环机构10联通干燥室27与循环室28。
进一步的，所述循环室28内设置有温度表218，能够及时监控本体21内的温度，避免损坏。
具体实施时，将需要干燥烘干的物料放置于料斗11中，搅拌机构进行搅拌，物料落入至传送带4上并输送至干燥室27内，打开热风炉25，热风从热风管道24中经过热风箱23，热气从空气过滤器213、分风板214中流出对湿品干燥，而湿气从隔板22的通风孔29进入到循环室28，再从排风口212排出，然后经过循环机构10后再次从循环风口211进入到干燥 室27，从而循环使用，而干燥室27上的进风口210可以及时补入新风，吹风扇217将新风吹入干燥室27，等到干燥完成后，继续由传送带4传送至出料存储箱3。
以上所述仅是本实用新型的优选实施方式，应当指出，对于本技术领域的普通技术人员来说，在不脱离本实用新型技术原理的前提下，还可以做出若干改进和变形，这些改进和变形也应视为本实用新型的保护范围。

Claims (6)

  1. 一种隧道式干燥机，其特征在于：包括进料机构、隧道式干燥箱体、出料存储箱、传送带，所述传送带的一端位于进料机构的下方位置、另一端贯穿隧道式干燥箱体并设置于出料存储箱的上方位置；所述进料机构包括料斗、搅拌机构、预警机构，所述料斗的顶部为进料口、底部为出料口；所述搅拌机构包括搅拌电机、搅拌叶片、搅拌传动轴，所述搅拌电机设置于料斗下部侧壁外；所述搅拌传动轴的一端与搅拌电机相连接并贯穿设置于料斗上，所述搅拌叶片位于料斗内并呈螺旋状设置于搅拌传动轴的周部；所述预警机构包括预警电机、预警传动轴、预警叶片，所述预警电机设置于料斗上部侧壁外；所述预警传动轴一端与预警电机相连接，另一端穿过料斗侧壁位于料斗内；所述预警叶片设置于预警传动轴位于料斗内的端部，并位于搅拌叶片的上方位置；所述隧道式干燥箱体包括本体、隔板、热风箱、热风管道、热风炉、热风循环泵，所述隔板设置于本体内并将本体分为位于下部的干燥室与位于上部的循环室，所述隔板上开设有多个通风孔；所述干燥室上设置有进风口、循环风口，所述循环室的顶部设置有排风口；所述热风箱设置于干燥室内，且热风箱件的一侧部设置有空气过滤器与分风板、热风箱的另一侧部设置有吹风口与新风口；所述进风口与新风口联通，所述吹风口处的本体上设置有吹风扇；所述热风管道的一端与热风炉的出气口相连接，另一端依次穿过热风箱、热风循环泵后与热风炉的进气口相连接。
  2. 根据权利要求1所述的一种隧道式干燥机，其特征在于：所述传送带通过传送带驱动机构传动，该传送带驱动机构位于机架上。
  3. 根据权利要求1所述的一种隧道式干燥机，其特征在于：所述进料机构通过升降机构在竖直方向上运动，该升降机构包括升降滑杆、升降滑块、升降电机，所述升降电机控制升降滑块在升降滑杆上做竖直运动；所述升降滑块上垂直连接有升降连杆，该升降连杆与料斗外壁相连接。
  4. 根据权利要求1所述的一种隧道式干燥机，其特征在于：所述料斗外壁设置有灯光指示灯、蜂鸣器、消音按钮。
  5. 根据权利要求1所述的一种隧道式干燥机，其特征在于：所述料斗的出料口设置有缺料探测器。
  6. 根据权利要求1所述的一种隧道式干燥机，其特征在于：还包括有循环机构，所述循环机构联通干燥室与循环室。
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