CN113758191B - Rotary dryer - Google Patents
Rotary dryer Download PDFInfo
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- CN113758191B CN113758191B CN202111047385.3A CN202111047385A CN113758191B CN 113758191 B CN113758191 B CN 113758191B CN 202111047385 A CN202111047385 A CN 202111047385A CN 113758191 B CN113758191 B CN 113758191B
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- stirring barrel
- stirring
- drying
- assembly
- pipe part
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- 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
- F26B11/12—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in stationary drums or other mainly-closed receptacles with moving stirring devices
- F26B11/14—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in stationary drums or other mainly-closed receptacles with moving stirring devices the stirring device moving in a horizontal or slightly-inclined plane
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B17/00—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement
- F26B17/12—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed solely by gravity, i.e. the material moving through a substantially vertical drying enclosure, e.g. shaft
- F26B17/14—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed solely by gravity, i.e. the material moving through a substantially vertical drying enclosure, e.g. shaft the materials moving through a counter-current of gas
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/001—Drying-air generating units, e.g. movable, independent of drying enclosure
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/004—Nozzle assemblies; Air knives; Air distributors; Blow boxes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/06—Controlling, e.g. regulating, parameters of gas supply
- F26B21/10—Temperature; Pressure
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- 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
Abstract
The present invention provides a rotary dryer, comprising: the automatic feeding device comprises a support, a mounting frame, a stirring assembly, a feeding assembly, a receiving mechanism and a control box, wherein the support and the mounting frame are arranged, the feeding assembly is arranged on one side of the mounting frame, and the stirring assembly is arranged on the other side of the mounting frame; the stirring assembly is connected with one end of the drying pipeline in a penetrating way, and the other end of the drying pipeline is provided with a material receiving mechanism; the support is provided with a drying box, and the drying box is connected with a drying pipeline through an air delivery pipe. The inner side of the first stirring barrel is hinged with a plurality of first stirring rods, and the first stirring rods are connected with the first stirring barrel through second springs; according to the invention, the stirring assembly is used for preventing grains with higher humidity from being blocked at the inlet of the drying pipeline, so that the feeding efficiency of the grains to be dried is improved; the drying pipeline, the falling time delay assembly and the fixing rod of the rotary type are reused, so that the time of grains in the drying pipeline is prolonged, the efficiency of drying the grains is improved, and the drying effect is improved.
Description
Technical Field
The invention belongs to the field of grain drying equipment, and particularly relates to a rotary type dryer.
Background
Grain is an important special commodity, is an important strategic material related to the country and the people, is the most basic living material for the survival and the development of the human society, and plays an important role in the national economy. And the grain drying is an important link after the grain delivery and an important guarantee means for the grain particles to return to the warehouse. However, after the grains in China are harvested, mildew, germination and deterioration occur in the links of storage, transportation, processing and the like due to the fact that the climate is humid, the grains cannot be dried in the sun or the safe storage of water is not achieved, and the sprinkling loss in the drying process can be up to 5% of the total yield of the grains in China, about over 700 million jin, and the economic loss can be up to 300-600 million yuan. Therefore, it is urgent to develop the grain drying industry, accelerate the whole grain production process to be mechanized, and reduce the grain storage loss to the utmost extent.
Present drying equipment promotes drying equipment's top with grain through the lifting machine, then scatters grain and falls, and grain is under the effect of gravity, and drying equipment dries it at grain whereabouts in-process, and the drying time ratio is short at every turn to grain is glutinous bulk form, and the stoving effect is not good, has the problem that drying equipment drying efficiency is low.
Therefore, how to provide a dryer capable of drying grains efficiently is an urgent problem to be solved by those skilled in the art.
Disclosure of Invention
In view of the above problems, the present invention provides a rotary dryer.
A rotary dryer comprising: the device comprises a support, a mounting frame, a stirring assembly, a feeding assembly, a receiving mechanism and a control box;
a feeding assembly is installed on one side of the installation rack, and a stirring assembly is installed on the other side of the installation rack; the stirring assembly is connected with one end of the drying pipeline in a penetrating way, and the other end of the drying pipeline is provided with a material receiving mechanism;
the support is provided with a drying box, and the drying box is connected with a drying pipeline through an air delivery pipe.
Further, the air conditioner is provided with a fan,
the stirring assembly comprises a first stirring barrel, and a second stirring rod is arranged on the inner side of the first stirring barrel; the inner side of the first stirring barrel is hinged with a plurality of first stirring rods, and the first stirring rods are connected with the first stirring barrel through second springs;
the first stirring barrel is inserted at one end of the second stirring barrel, and the outer side of the second stirring barrel is arranged on one side of the mounting frame through a bearing and a first bearing frame; the second stirring barrel is connected with a drying pipeline, and a filter screen is arranged between the second stirring barrel and the drying pipeline;
a telescopic rod is inserted in the second stirring barrel, and a plurality of extrusion blocks are mounted on the side wall of the telescopic rod; one end of the telescopic rod is connected with the filter screen, and one end of the telescopic rod is provided with a reciprocating motion device;
and a rotating gear is fixedly sleeved on the outer side of the second stirring barrel, the rotating gear is meshed with a driving gear, the driving gear is installed on a driving motor, and the driving motor is connected with the mounting rack.
Further, the air conditioner is provided with a fan,
and a bearing is installed on the outer side of the drying pipeline and is connected with the mounting frame through a second bearing frame.
Further, the air conditioner is provided with a fan,
reciprocating motion device has seted up annular spout including installing the cylinder of telescopic link one end and turning, on the cylinder turns, and sliding connection has the one end of mount in the annular spout, and the mount is connected with the mounting bracket.
Further, the air conditioner is provided with a fan,
the inner side of the second stirring barrel is fixedly connected with a plurality of limiting strips, and the limiting strips are connected in a strip-shaped sliding groove formed in the outer side of the first stirring barrel in a sliding manner; the first stirring barrel and the second stirring barrel are provided with threaded holes corresponding to each other.
Further, the air conditioner is provided with a fan,
the lower end of the second stirring barrel is connected with a drying pipeline, and the drying pipeline comprises an upper end pipe part and a lower end pipe part; the lower end pipe part is located above the material receiving mechanism.
A falling delay assembly is installed in the upper end pipe portion and used for delaying the falling speed of grains.
Further, the air conditioner is provided with a fan,
the falling time delay assembly comprises a plurality of carrying nets hinged to the inner side of the upper end pipe part, and the carrying nets are provided with electromagnets I; the bearing net is connected with the inner side of the upper end pipe part through a first spring;
the axial lead of the lower end pipe part is superposed with the axial lead of the second stirring barrel;
the lower end pipe part is provided with a mounting hole, a fixed rod is rotatably inserted in the mounting hole, and the fixed rod is mounted on the support; and the fixed rod is provided with a second electromagnet corresponding to the first electromagnet.
Further, the air conditioner is provided with a fan,
a fan and an electric heating wire are arranged in the drying box; one end of the air delivery pipe penetrates through the inside of the fixing rod and is connected with a spray head in a through mode.
Further, the air conditioner is provided with a fan,
the side wall of the upper end of the air conveying pipe and the fixed rod are both provided with a plurality of first through holes which are arranged in an annular mode, and the fixed rod is rotatably sleeved with a mounting ring; the mounting ring is provided with a second through hole and is in through connection with a spray head;
the shower nozzle passes through the connecting rod and is connected with the lateral wall of lower extreme pipe portion.
Further, the air conditioner is provided with a fan,
the lower end pipe part is V-shaped.
The invention has the following beneficial effects:
(1) The drying pipeline of the rotary dryer is beneficial to the flow of hot air flow, so that the drying effect is improved;
(2) The stirring assembly prevents grains with higher humidity from being blocked at the inlet of the drying pipeline, and improves the feeding efficiency of the grains to be dried;
(3) Utilize drying duct, whereabouts time delay subassembly and the dead lever of rotary type, make grain increase when being located drying duct, improve the efficiency of drying grain, promote the stoving effect.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.
Fig. 1 is a schematic view illustrating an overall structure of a rotary dryer according to an embodiment of the present invention;
fig. 2 is a schematic view illustrating a stirring assembly of a rotary dryer according to an embodiment of the present invention;
fig. 3 is a schematic structural view illustrating an annular chute and a cylindrical rotator of a rotary dryer according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram illustrating a limiting strip of a rotary dryer according to an embodiment of the present invention between a first mixing drum and a second mixing drum;
fig. 5 is a schematic view illustrating the structure of upper and lower duct portions of a rotary dryer according to an embodiment of the present invention.
Fig. 6 is a schematic view illustrating a structure in which a fall delay assembly of a rotary dryer according to an embodiment of the present invention is mounted on an upper-end duct part, a fixing rod;
fig. 7 shows a schematic top view of a carrying net of a rotary dryer according to an embodiment of the present invention in a drying tunnel;
fig. 8 is a schematic view illustrating an installation structure of a duct of a rotary dryer within a fixing rod according to an embodiment of the present invention;
fig. 9 is a schematic view illustrating a structure of a through hole of a rotary dryer at an upper end of a duct according to an embodiment of the present invention.
Reference numerals: the device comprises a support 1, a mounting frame 2, a stirring assembly 3, a feeding assembly 4, a driving gear 5, a driving motor 6, a material receiving mechanism 7, a first bearing frame 8, a control box 9, a drying pipeline 10, a fixing rod 11, a drying box 12, a fan 13, an air conveying pipe 14, a carrying net 15, a first electromagnet 16, a first spring 17, a second electromagnet 18, a mounting ring 19, a first through hole 20, a second through hole 21, a spray head 22, a connecting rod 23, an electric heating wire 24 and a second bearing frame 25; the device comprises a first stirring barrel 301, a second stirring barrel 302, an expansion link 303, a filter screen 304, a rotating gear 305, a second spring 306, a first stirring rod 307, an extrusion block 308, an annular chute 309, a fixed frame 310, a cylindrical rotating body 311, a second stirring rod 312 and a limiting strip 313; an upper end pipe portion 101 and a lower end pipe portion 102.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The embodiment of the invention provides a rotary dryer, which is used for solving the problems that the existing drying equipment lifts grains to the top of the drying equipment through a lifter, then the grains are scattered and fall down, the drying equipment dries the grains in the falling process under the action of gravity, the drying time is short each time, the drying efficiency of the drying equipment is low, and the lifter is required to repeatedly lift the grains for drying.
As shown in fig. 1, a rotary dryer includes: the device comprises a support 1, a mounting frame 2, a stirring assembly 3, a feeding assembly 4, a receiving mechanism 7 and a control box 9, wherein a PLC is arranged in the control box 9; the feeding assembly 4 consists of a general conveyor belt or a high-power air inlet machine, so that grains can continuously enter the stirring assembly 3 through the feeding assembly 4;
the material loading subassembly 4 is installed to 2 one sides of mounting bracket, and stirring subassembly 3 is installed to the opposite side of mounting bracket 2, and the material loading is carried out to one side of mounting bracket 2, and the opposite side carries out the unloading, and the rational utilization space adapts to operational environment. The stirring assembly 3 is in through connection with one end of a drying pipeline 10, and a material receiving mechanism 7 is arranged at the other end of the drying pipeline 10; the stirring assembly 3 firstly primarily shakes grains with high humidity and grains which are possibly stuck into a bulk shape, then the shaken grains fall into the drying pipeline 10 under the action of gravity for drying and dehumidifying, and finally the dried grains fall into the material receiving mechanism 7 and are conveyed out of the warehouse by the material receiving mechanism 7; generally, the material receiving mechanism 7 is a conveyor belt assembly, and the conveyor belt assembly has the characteristic of high material receiving efficiency.
The support 1 is provided with a drying box 12, the drying box 12 is connected with a drying pipeline 10 through an air conveying pipe 14, and the drying box 12 ensures a heat source to ensure that dry air with a certain temperature enters the drying pipeline 10 through the air conveying pipe 14.
A PLC is arranged in the control box 9, a plurality of temperature sensors can be arranged in the drying pipeline 10, the PLC is electrically connected with the temperature sensors and the power supply, when the temperature sensors monitor that the temperature in the drying pipeline 10 rises to a certain threshold value, the PLC automatically controls the drying box 12 to stop supplying power, the temperature in the drying pipeline 10 is reduced, and the grain coking caused by overhigh temperature in the drying pipeline 10 is prevented; when the temperature sensor monitors that the temperature in the drying pipeline 10 is reduced to a certain threshold value, the PLC automatically controls the drying box 12 to continue supplying power, so that the temperature in the drying pipeline 10 is increased, and the drying effect is prevented from being reduced due to over-low temperature; the temperature rising or lowering threshold is determined by multiple factors such as the type and mass of grains, the volume of the drying pipeline 10, the heating power of the drying box 12 and the like in the drying process.
A fan 13 and an electric heating wire 24 are arranged in the drying box 12, and the fan 13 sucks external air into the drying box 12 and blows the external air into the air conveying pipe 14; the heating wire 24 heats up the passing air to raise the temperature.
And a bearing is arranged on the outer side of the drying pipeline 10 and is connected with the mounting frame 2 through a second bearing frame 25. The bearing, the bearing frame II 25, the bearing frame I8 and the bearing have the same functions and ensure the stability of the stirring component 3 and the drying pipeline 10 in the rotating operation.
Further, the air conditioner is characterized in that,
as shown in fig. 2, the stirring assembly 3 includes a first stirring barrel 301, a second stirring rod 312 is installed inside the first stirring barrel 301, and the second stirring rod 312 may be replaced by a curved or fan-shaped device with a stirring function; the inner side of the first stirring barrel 301 is hinged with a plurality of first stirring rods 307, and the hinge mode is similar to the connection mode of a cabinet door and a room door hinge; the first stirring rod 307 is connected with the first stirring barrel 301 through a second spring 306; the second spring 306 is a cylindrical spring, the rigidity is not required to be too high, and the vibration effect is achieved;
the first stirring barrel 301 is inserted at one end of the second stirring barrel 302, and the outer side of the second stirring barrel 302 is installed on one side of the installation frame 2 through a bearing and a first bearing frame 8; during drying, the first stirring barrel 301, the second stirring barrel 302 and the drying pipeline 10 are in a suspended rotating state, and a bearing and the first bearing frame 8 are required to be matched, so that the first stirring barrel 301, the second stirring barrel 302 and the drying pipeline 10 can keep stable structures during rotation; the first stirring barrel 301, the second stirring barrel 302 and the drying pipeline 10 are used for drying in a rotating mode, so that on one hand, grains are fully stirred, and on the other hand, the air flow of the drying pipeline 10 is enhanced; the second stirring barrel 302 is connected with a drying pipeline 10, and a filter screen 304 is arranged between the second stirring barrel 302 and the drying pipeline 10; the grains which are stirred and filtered in the second stirring barrel 302 are separated into grains with certain diameters, and fall into the drying pipeline 10 through the filter screen 304 under the action of gravity.
A telescopic rod 303 is inserted in the second stirring barrel 302, is not stressed, has continuity and is similar to a folding umbrella handle with small friction; a plurality of extrusion blocks 308 are arranged on the side wall of the telescopic rod 303; one end of the telescopic rod 303 is connected with the filter screen 304, and the purpose of connecting with the filter screen 304 is to stabilize the position of the telescopic rod 303; meanwhile, the filter screen 304 is composed of a net structure and a steel bracket structure, and has better stability; the other end of the telescopic rod 303 is provided with a reciprocating device; the reciprocating motion device is used for pulling the telescopic rod 303 to move up and down;
a rotating gear 305 is fixedly sleeved on the outer side of the second stirring barrel 302, the rotating gear 305 is meshed with a driving gear 5, the driving gear 5 is installed on a driving motor 6, and the driving motor 6 is connected with the installation frame 2.
Install puddler two 312 in the agitator 301, the fixed puddler two 312 of agitator 301 relatively can further stir the grain in the agitator 301, further improves stirring effect.
The driving motor 6 is electrically connected with an external power supply, the external power supply is turned on, the driving motor 6 drives the driving gear 5 to rotate by starting the driving motor 6, so that the rotating gear 305 rotates, when the rotating gear 305 drives the stirring barrel II 302 to rotate, the stirring barrel I301 rotates along with the rotation, the stirring rods I307 in the stirring barrel I301 rotate along with the rotation, and grains poured into the stirring barrel I301 from the feeding assembly 4 are stirred; the grains with higher humidity are separated and contacted with the air, and a few grains bonded into a lump are separated, so that the drying efficiency is improved;
the first stirring barrel 301 and the telescopic rod 303 rotate simultaneously; under reciprocating motion device's effect, telescopic link 303 reciprocates for a 301 of agitator to make the tip of a extrusion piece 308 continuous friction stirring pole 307 on the telescopic link 303, make a 307 vibrations constantly, and then play the effect of intensive mixing grain, and under the elastic action of spring two 306, a 307 of agitator is when following a 301 pivoted of agitator, the shake of direction about can also taking place, thereby further improve the effect of stirring, improve drying efficiency.
Specifically, the reciprocating device includes a cylindrical rotating body 311 installed at one end of the telescopic rod 303, an annular sliding groove 309 is formed in the cylindrical rotating body 311, one end of a fixing frame 310 is slidably connected in the annular sliding groove 309, and the sliding connection mode is as follows: one end of the fixing frame 310 is slidably inserted into the annular sliding groove 309, on one hand, one end of the fixing frame 310 is located in the annular sliding groove 309, and on the other hand, one end of the fixing frame 310 can slide in the annular sliding groove 309; the fixing bracket 310 is connected with the mounting bracket 2. A roller can be mounted on one end of the fixing frame 310, and the roller rolls and slides in the annular sliding groove 309.
As shown in fig. 3, when the first stirring barrel 301 and the telescopic rod 303 rotate, the fixed frame 310 is mounted on the mounting frame 2 and does not rotate, at this time, the cylindrical rotating body 311 rotates along with the telescopic rod 303, and the annular sliding groove 309 is inclined, so that the cylindrical rotating body 311 and the telescopic rod 303 move up and down relative to the fixed frame 310, and a reciprocating mechanism is realized; the reciprocating mechanism utilizes the rotation of the first stirring barrel 301, so that the manufacturing cost is reduced.
Further, the air conditioner is characterized in that,
as shown in fig. 4, the inner side of the second stirring barrel 302 is fixedly connected with a plurality of limiting strips 313, and if the plurality of limiting strips 313 are distributed annularly, the first stirring barrel 301 and the second stirring barrel 302 can be stressed uniformly when rotating, so that the structural stability is improved; the limiting strip 313 is connected in a strip-shaped chute arranged at the outer side of the first stirring barrel 301 in a sliding manner; threaded holes corresponding to each other are formed between the first stirring barrel 301 and the second stirring barrel 302; when the type, the quality and the quantity of the grain are changed, the diversified working environment can be adapted by the distance of the first stirring barrel 301 inserted into the second stirring barrel 302, and the length of the stirring barrel formed by the first stirring barrel 301 and the second stirring barrel 302 is longer or shorter.
Further, the lower end of the second stirring barrel 302 is connected with a drying pipeline 10, as shown in fig. 5, the drying pipeline 10 includes an upper pipe portion 101 and a lower pipe portion 102; the lower end pipe part 102 is positioned above the material receiving mechanism 7; after entering the drying duct 10 through the filter screen 304, the stirred grains firstly enter the upper pipe part 101 and then enter the lower pipe part 102; the grain after the drying directly falls into receiving agencies 7 of below through lower extreme pipe portion 102, need not the transport and handles convenient and fast.
A falling delay assembly is mounted on the upper end pipe part 101 and used for delaying the falling speed of the grains; the falling time delay assembly mainly increases the time of grains in the drying pipeline 10, improves the drying efficiency of the grains and prevents the dried grains from being dried again.
Specifically, as shown in fig. 6, the falling delay assembly includes a plurality of receiving nets 15 hinged to the inner side of the upper pipe portion 101, the size of the aperture of each receiving net 15 is 0.5mm-1mm, so that the effect of ensuring ventilation and receiving falling grains is achieved, and the receiving nets 15 do not filter and only block the falling grains under the condition of ensuring ventilation; the bearing net 15 is provided with a first electromagnet 16; the bearing net 15 is connected with the inner side of the upper end pipe part 101 through a first spring 17;
the axial lead of the lower end pipe part 102 is superposed with the axial lead of the second stirring barrel 302, so that the fixing of the position of the fixing rod 11 is not influenced while the rotation of the second stirring barrel 302 is ensured;
wherein, the lower end pipe part 102 is provided with a mounting hole, a fixed rod 11 is rotatably inserted in the mounting hole, and the fixed rod 11 is mounted with the support 1; the fixing lever 11 is provided with a second electromagnet 18 corresponding to the first electromagnet 16.
Switching on an external power supply to electrify the first electromagnet 16 and the second electromagnet 18 and setting magnetic poles of the first electromagnet 16 and the second electromagnet 18; when the upper end pipe part 101 is in a rotating state and the fixing rod 11 is in a fixed position state, the electromagnet I16 is in a rotating state along with the upper end pipe part 101, so that the distance between the electromagnet I16 and the electromagnet II 18 is changed; as shown in fig. 6, the first electromagnet 16 is closest to the second electromagnet 18, and the magnetic poles of the first electromagnet 16 and the second electromagnet 18 attract each other, so that the receiving net 15 compresses the spring, grains falling on the receiving net 15 are turned to the lower side, the falling speed of the grains is prevented, the time of the grains passing through the upper end pipe part 101 is prolonged, and the drying efficiency is improved.
As shown in fig. 7, the receiving net 15 is located in the drying duct in a schematic top view, and the receiving net 15 can be arranged in multiple levels according to the length of the upper end pipe portion 101 and the drying requirement.
As shown in fig. 8, one end of the air duct 14 penetrates the fixing rod 11 and is connected with the nozzle 22; the heated air enters the lower end pipe part 102 through the air conveying pipe 14, and conveys hot air to the upper end pipe part 101 to dry grains of which the stay time is prolonged by the carrying net 15; the combination of the fan 13 and the heating wire 24 has the advantages of safety, fast temperature rise, and the rising performance of hot air, so that the hot air can enter the lower end pipe part 102, the upper end pipe part 101, the second stirring barrel 302 and the first stirring barrel 301 and is finally discharged even if no air pressure exists, the grain can be fully dried by the rising path of the hot air, and the grain drying efficiency is improved.
Further, the air conditioner is provided with a fan,
as shown in fig. 9, the side wall of the upper end of the air delivery pipe 14 and the fixing rod 11 are both provided with a plurality of first through holes 20 which are annularly arranged, and a small gap is formed between the plurality of first through holes 20; the number of the first through holes 20 can be 12-18; as shown in fig. 8, the fixing rod 11 is rotatably sleeved with the mounting ring 19, and the mounting ring 19 can relatively rotate relative to the fixing rod 11 without relatively moving up and down; the mounting ring 19 is provided with a second through hole 21 and is in through connection with a spray head 22;
the nozzle 22 is connected with the side wall of the lower end pipe part 102 through the connecting rod 23, and the lower port of the nozzle 22 facing the lower end pipe part 102 enables hot air flow to enter the upper end pipe part 101 sufficiently in time, so that the drying efficiency of the hot air flow is improved.
Since the lower and upper pipe portions 102 and 101 are rotated with respect to the fixing rod 11, it is not ensured that the shower head 22 always faces the lower port of the upper pipe portion 101; in order to improve the drying efficiency of hot air flow, the connecting rod 23 is arranged, so that when the lower end pipe part 102 rotates, the spray head 22 can be pulled to rotate under the mounting ring 19, the spray head 22 always faces to the lower port of the upper end pipe part 101, meanwhile, the dense first through holes 20 and the second through holes 21 in the rotating process can be communicated in a single mode, the second through holes 21 and the spray head 22 can spray hot air flow all the time, and the drying efficiency is improved.
Further, the air conditioner is provided with a fan,
the lower end pipe part 102 is V-shaped, and the V-shaped can further delay the falling time of grains and fully ensure the drying effect.
According to the invention, the stirring assembly is used for preventing grains with higher humidity from being blocked at the inlet of the drying pipeline, so that the feeding efficiency of the grains to be dried is improved; the drying pipeline, the falling time delay assembly and the fixing rod of the rotary type are reused, so that the time of grains in the drying pipeline is prolonged, the efficiency of drying the grains is improved, and the drying effect is improved.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (8)
1. A rotary dryer, the rotary dryer comprising:
the device comprises a support (1), a mounting rack (2), a stirring assembly (3), a feeding assembly (4), a material receiving mechanism (7) and a control box (9);
a feeding assembly (4) is installed on one side of the installation rack (2), and a stirring assembly (3) is installed on the other side of the installation rack (2); the stirring assembly (3) is connected with one end of a drying pipeline (10) in a penetrating way, and the other end of the drying pipeline (10) is provided with a material receiving mechanism (7);
the support (1) is provided with a drying box (12), and the drying box (12) is connected with a drying pipeline (10) through an air delivery pipe (14);
the stirring assembly (3) comprises a first stirring barrel (301), a plurality of first stirring rods (307) are hinged to the inner side of the first stirring barrel (301), and the first stirring rods (307) are connected with the first stirring barrel (301) through a second spring (306);
the first stirring barrel (301) is inserted at one end of the second stirring barrel (302), the second stirring barrel (302) is connected with the drying pipeline (10), and a filter screen (304) is arranged between the second stirring barrel (302) and the drying pipeline (10);
a telescopic rod (303) is inserted into the second stirring barrel (302), and a plurality of extrusion blocks (308) are mounted on the side wall of the telescopic rod (303); one end of the telescopic rod (303) is connected with the filter screen (304), and a reciprocating device is arranged on the telescopic rod (303);
a rotating gear (305) is fixedly sleeved on the outer side of the second stirring barrel (302), the rotating gear (305) is meshed with a driving gear (5), and the driving gear (5) is installed on a driving motor (6);
the reciprocating motion device comprises a cylindrical rotating body (311) arranged at one end of the telescopic rod (303), an annular sliding groove (309) is formed in the cylindrical rotating body (311), and the annular sliding groove (309) is connected to one end of the fixed frame (310) in a sliding mode;
the lower end of the second stirring barrel (302) is connected with a drying pipeline (10), and the drying pipeline (10) comprises an upper end pipe part (101) and a lower end pipe part (102); the lower end pipe part (102) is positioned above the material receiving mechanism (7);
a falling time delay assembly is arranged on the upper end pipe part (101) and used for delaying the falling speed of the grains;
the falling time delay assembly comprises a plurality of bearing nets (15) hinged to the inner side of the upper end pipe part (101), and electromagnets I (16) are mounted on the bearing nets (15); the bearing net (15) is connected with the inner side of the upper end pipe part (101) through a first spring (17);
the axial lead of the lower end pipe part (102) is superposed with the axial lead of the second stirring barrel (302);
the lower end pipe part (102) is provided with a mounting hole, a fixing rod (11) is rotatably inserted in the mounting hole, and the fixing rod (11) is mounted on the support (1); the fixed rod (11) is provided with a second magnet (18) corresponding to the first electromagnet (16).
2. A rotary dryer according to claim 1,
a second stirring rod (312) is arranged on the inner side of the first stirring barrel (301); the outer side of the second stirring barrel (302) is arranged on one side of the mounting frame (2) through a bearing and a first bearing frame (8); the driving motor (6) is connected with the mounting frame (2).
3. A rotary dryer according to claim 2,
and a bearing is installed on the outer side of the drying pipeline (10) and is connected with the mounting rack (2) through a second bearing frame (25).
4. A rotary dryer according to claim 2,
the fixed frame (310) is connected with the mounting frame (2).
5. The rotary dryer according to claim 2, wherein a plurality of limiting strips (313) are fixedly connected to the inner side of the second mixing drum (302), and the limiting strips (313) are slidably connected in strip-shaped chutes formed in the outer side of the first mixing drum (301); the first stirring barrel (301) and the second stirring barrel (302) are provided with threaded holes corresponding to each other.
6. A rotary dryer according to claim 1,
a fan (13) and an electric heating wire (24) are arranged in the drying box (12); one end of the air delivery pipe (14) penetrates through the inside of the fixing rod (11) and is connected with a spray head (22) in a penetrating way.
7. A rotary dryer according to claim 6,
the side wall of the upper end of the air delivery pipe (14) and the fixed rod (11) are both provided with a plurality of first through holes (20) which are annularly arranged, and the fixed rod (11) is rotatably sleeved with a mounting ring (19); the mounting ring (19) is provided with a second through hole (21) and is in through connection with a spray head (22);
the spray head (22) is connected with the side wall of the lower end pipe part (102) through a connecting rod (23).
8. A rotary dryer according to claim 1,
the lower end pipe part (102) is V-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111047385.3A CN113758191B (en) | 2021-09-07 | 2021-09-07 | Rotary dryer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111047385.3A CN113758191B (en) | 2021-09-07 | 2021-09-07 | Rotary dryer |
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| Publication Number | Publication Date |
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| CN113758191A CN113758191A (en) | 2021-12-07 |
| CN113758191B true CN113758191B (en) | 2022-11-25 |
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2021
- 2021-09-07 CN CN202111047385.3A patent/CN113758191B/en active Active
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| CN204881022U (en) * | 2015-06-12 | 2015-12-16 | 方倩 | Centrifugal industrial stirring drying device |
| CN207365623U (en) * | 2017-09-13 | 2018-05-15 | 新昌县七星街道新洁成文化创意工作室 | A kind of grain highly effective drying equipment being stirred |
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| CN113758191A (en) | 2021-12-07 |
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