CN108662887B

CN108662887B - Multifunctional drying device

Info

Publication number: CN108662887B
Application number: CN201810289505.2A
Authority: CN
Inventors: 张媛媛
Original assignee: Jinhua Kunmai Technology Co ltd
Current assignee: Yueyang Quyuan Management Area Quyuan Tea Industry Co ltd
Priority date: 2018-04-03
Filing date: 2018-04-03
Publication date: 2020-08-25
Anticipated expiration: 2038-04-03
Also published as: CN108662887A

Abstract

The invention provides a multifunctional drying device, which comprises a drying chamber, wherein the drying chamber is connected with a circulating air pipe, a feed inlet at the upper part of one side of the drying chamber is communicated with an air outlet of the circulating air pipe, the upper part of the other side of the drying chamber is connected with a circulating fan through a branch pipe, a feed hopper is arranged on the circulating air pipe, a rotating body and a conveying device are arranged in the drying chamber from top to bottom, a discharge plate is arranged below the end part of the conveying device, the discharge plate is fixedly connected with the bottom of a material collecting box, a dust removal chamber is arranged on the side wall of the joint of the circulating air pipe and the circulating fan, adsorption balls are arranged in the dust removal chamber, the moisture on the surface of a material is primarily dried by adopting a circulating air flow mode, the material is uniformly diffused and moved under the action of air flow and directly blown into the drying chamber without contacting with the inner, and the material crushing rate can be reduced, the quality guarantee period of the material is prolonged, and the method is suitable for large-scale popularization.

Description

Multifunctional drying device

Technical Field

The invention belongs to the technical field of drying equipment, and particularly relates to a multifunctional drying device.

Background

Drying and fragrance improvement are important operation procedures in material production, are generally finished in a material dryer, and dry materials by utilizing hot air. The drying stage is very critical to the quality of the materials, and the taste of the materials is directly determined by the drying stage. The traditional drying adopts a coal-fired boiler as a heat source, utilizes a combustion fan to control the fire of the boiler, utilizes a heating fan to blow hot air in the boiler into a dryer, and is easy to cause uneven heating of materials because the materials are accumulated in a material dryer in the actual operation process. Therefore, an operator needs to continuously turn over the materials in the drying process and observe the drying degree of the materials, and the method is completely based on the personal experience of the operator, so that the method has high technical requirements on the operator, needs more experiences, needs to track the drying process in the whole process, is high in labor intensity of the operator, consumes time and labor, is good in experience of the operator, and cannot control the quality of the materials. And the materials can generate a large amount of broken particles and dust in the turning process, and the dust can float in the air and fall on mechanical equipment, so that the physical health of operators is injured and the service life of the mechanical equipment is influenced.

Disclosure of Invention

The invention aims to provide a multifunctional drying device, which does not need manual intervention in the whole process, is uniformly heated, can reduce the material crushing rate, prolongs the quality guarantee period of materials, and is suitable for large-scale popularization.

The technical scheme adopted by the invention for realizing the purpose is as follows: a multifunctional drying device comprises a drying chamber, the drying chamber is connected with a circulating air pipe, a feed inlet at the upper part of one side of the drying chamber is communicated with an air outlet of the circulating air pipe, the upper part of the other side of the drying chamber is connected with a circulating fan through a branch pipe, a feed hopper is arranged on the circulating air pipe, a rotating body and a conveying device are arranged in the drying chamber from top to bottom, a discharge plate is arranged below the end part of the conveying device, the discharge plate is fixedly connected with the bottom of a material collecting box, a dust removal chamber is arranged on the side wall of the joint of the circulating air pipe and the circulating fan, adsorption balls are arranged in the dust removal chamber, the primary drying of the moisture on the surface of the material is carried out by adopting a circulating air flow mode, the material is uniformly diffused and moves under the action of the air flow, and is directly blown into the drying chamber without contacting with the inner, dust gets into the clean room and contacts with inside adsorption ball, and the preferred foamed plastic that has adsorbed the spheroid material of ball, and the spheroid outside distributes has the adsorption strip, and when the air current was insufflated inside the clean room, the air current blown up the adsorption ball and is irregular motion inside the clean room, and the effectual dust that adsorbs in the air current reduces the probability that tea dust drifted away in the air, improves operating personnel's operational environment and extension mechanical equipment's life.

Preferably, a pressure sensor is arranged in the circulating air pipe, the pressure sensor is arranged in the circulating air pipe far away from the feed hopper and the drying chamber, friction and collision of materials on the pressure sensor can be avoided, and the rotating speed of the circulating fan can be dynamically controlled according to feedback data of the pressure sensor.

Preferably, the connecting part of the branch pipe and the drying chamber is provided with a filter residue net, the filter residue net is preferably a mesh, the mesh number of the filter residue net can effectively prevent materials from entering the branch pipe, smaller broken materials and dust can penetrate through the filter residue net and be blown into the branch pipe, the connecting part of the dust removing chamber and the circulating air pipe is provided with a filter dust net, the filter dust net is preferably a mesh, the mesh number of the filter dust net can prevent the smaller broken materials and dust from entering the circulating air pipe, so that the smaller broken materials and dust can be brought into the dust removing chamber by air flow, the probability that tea dust is scattered into the air is effectively reduced, the working environment of an operator is improved, the service life of mechanical equipment is prolonged, the filtered air continues to enter the circulating air pipe, the next round of drying is carried out, the air inner circulation is realized, and the drying efficiency.

Preferably, the rotator includes rotation axis and rotor plate, be connected with the stretch cord on the rotor plate, the stretch cord is located the central point of rotor plate face and puts, the longest distance after the stretch cord is no longer than the distance between two rotor plate face centers, it is in disorder to prevent to lead to the stretch cord to stir into a group because of the stretch cord overlength, the end connection of stretch cord has the rubber ball, along with the air inner loop of circulation tuber pipe drives the rotor plate and rotates, the material that makes the entering drying chamber obtains the stirring, improve the homogeneity that the material was dried, the material of rotor plate is iron, the stretch cord on the rotor plate receives dragging of rotor plate, it throws to drive the rubber ball, the rubber ball extrudees the collision with the material surface, the material becomes level and smooth through extrusion collision rear surface, no longer batching is.

Preferably, the outside equipartition of rubber ball has the elastomer, the elastomer is umbelliform, the rubber ball is hollow structure, the inside magnetic ball that is equipped with of rubber ball, the outside equipartition of magnetic ball has the spring, the inside magnetic ball of rubber ball receives the attraction of rotor plate, constantly bounce in the rubber ball is inside, make the rubber ball vibrate at whipping in-process slightly, the elastomer and the material surface contact on rubber ball surface, make its slight shake, make the density of material more even, the focus of material is located the center on material surface, the material appearance after the stoving is tight knot, it is heavy and real, the extension material shelf life.

Preferably, conveyer includes runner and transmission band, and the runner is inlayed and is connected inside the wall body of drying chamber both sides, and the transmission band is netted transmission band, and its mesh size is less than the size of material, and the material falls into the below transmission band from the drying chamber on, and the mesh is less than the size of material, prevents that the material from falling into the transmission band below in the mesh, and the runner rotates, drives the transmission band and sees the drying chamber out with the material.

Preferably, swing roller one end is connected perpendicularly to runner side edge, the striking rod is connected perpendicularly to swing roller other end top, strike the rod upper end and install pendulum ball, pendulum ball is located ejection of compact board under, rotate through the runner and drive the swing rod and rotate, make the striking rod on connecting the swing rod perpendicularly reciprocate, the pendulum ball that sets up through striking rod upper end is continuous beats vibrations to ejection of compact board, make the material on the ejection of compact board whereabouts with higher speed, prevent the material jam, it is looser when making the material whereabouts simultaneously, increase the contact surface with the air, make remaining dust in surface go along with the air.

Preferably, the outside of drying chamber bottom is equipped with the air heater, be connected with hot-blast pipe on the air heater, hot-blast pipe passes the drying chamber and is located the conveyer below, be equipped with the air outlet on the hot-blast pipe, the hot-blast upflow that the air outlet blew off, the distance of air outlet and conveyer is preferably cm, this distance both can make material fast drying, and can not make the material stoving excessively become the scorch, the material falls into on the conveyer belt below from the drying chamber, the hot-blast mesh hole that the air outlet below the transmission belt blew off carries out final further stoving through the transmission band to the material, further improve the homogeneity of material stoving, improve material drying efficiency, the material after the stoving is transported to the play flitch and falls into material collecting box, accomplish stoving.

Compared with the prior art, the invention has the beneficial effects that: 1) the materials are dried in a circulating airflow mode, and are uniformly diffused and moved under the action of the airflow without contacting with the inner wall of the circulating pipeline, so that the breakage of the materials is reduced, and the integrity of the materials is maintained; 2) the air is recycled, so that the cost is saved and the yield is increased; 3) a filter screen and a dust chamber are arranged, so that the environment is better protected; 4) the rotating plate and the rubber ball are arranged to perform friction extrusion on the surface of the material, so that the material is more uniform in density, compact and solid in appearance, and the quality guarantee period of the material is prolonged.

The multifunctional drying device provided by the invention adopts the technical scheme, overcomes the defects of the prior art, and is reasonable in design and convenient to operate.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of a strainer of the present invention;

FIG. 3 is a perspective view of the rotating body of the present invention;

FIG. 4 is a cross-sectional view of a rubber ball of the present invention;

FIG. 5 is a schematic view of the connection structure of the oscillating roller and the rotating wheel according to the present invention;

FIG. 6 is a schematic view of the connection structure of the oscillating roller and the striking roller according to the present invention.

Description of reference numerals: 1. a drying chamber; 2. a circulating air duct; 3. a circulating fan; 4. a branch pipe; 5. a dust chamber; 6. filtering a residue net; 7. a dust filter screen; 8. a pressure sensor; 9. a feed hopper; 10. feeding airlock; 11. a rotating shaft; 12. a rotating plate; 13. a rubber ball; 14. an elastic cord; 15. a rotating wheel; 16. a conveyor belt; 17. a discharge plate; 18. a material collecting box; 19. a hot air blower; 20. a hot air duct; 21. an air outlet; 22. a swing roll; 23. a striking stick; 24. placing a ball; 25. adsorbing the ball; 131. an elastomer; 132. a magnetic ball; 133. a spring.

Detailed Description

The invention is described in further detail below with reference to examples and figures:

example 1:

as shown in figure 1, the multifunctional drying device comprises a drying chamber 1, the drying chamber 1 is connected with a circulating air pipe 2, a feed inlet at the upper part of one side of the drying chamber 1 is communicated with an air outlet of the circulating air pipe 2, the upper part of the other side is connected with a circulating fan 3 through a branch pipe 4, the circulating air pipe 2 is provided with a feed hopper 9, a rotator and a conveyer are arranged in the drying chamber 1 from top to bottom, a discharge plate 17 is arranged below the end part of the conveyer, the discharge plate 17 is fixedly connected with the bottom of a material collection box 18, the side wall of the joint of the circulating air pipe 2 and the circulating fan 3 is provided with a dust removal chamber 5, an adsorption ball 25 is arranged in the dust removal chamber 5, the primary drying of the moisture on the surface of the material is carried out by adopting a circulating air flow mode, the material is uniformly diffused and moved under the action of air flow, and is directly, and be equipped with clean room 5, can blow in impurity such as the dust in the circulated air pipe 2 in the clean room 5, the dust gets into clean room 5 and the contact of inside absorption ball 25, the preferred foamed plastic of spheroid material of absorption ball 25, the spheroid outside distributes has the absorption strip, when the air current blows in clean room 5 inside, the air current blows up absorption ball 25 and is irregular motion inside clean room 5, the dust in the effectual absorption air current, reduce the probability that tea dust drifted in the air, improve operating personnel's operational environment and extension mechanical equipment's life.

Example 2:

as shown in fig. 1-2, the optimization scheme of this embodiment based on embodiment 1 is as follows: the circulating air pipe 2 is internally provided with a pressure sensor 8, the pressure sensor 8 is arranged in the circulating air pipe 2 far away from a feed hopper 9 and the drying chamber 1, so that the friction and the collision of materials on the pressure sensor 8 can be avoided, the rotating speed of the circulating fan 3 can be dynamically controlled according to the feedback data of the pressure sensor 8, a filter screen 6 is arranged at the joint of the branch pipe 4 and the drying chamber 1, the filter screen 6 is preferably 20 meshes, the mesh number of the filter screen 6 can effectively prevent the materials from entering the branch pipe 4, smaller crushed materials and dust filter screens 6 can be blown into the branch pipe 4, a dust filter screen 7 is arranged at the joint of the dust removing chamber 5 and the circulating air pipe 2, the dust filter screen 7 is preferably 300 meshes, the mesh number of the dust filter screen 7 can prevent smaller crushed materials and dust from entering the circulating air pipe 2, so that the dust can be brought into the dust removing chamber 5 by air flow, the probability of tea dust floating in the air is effectively reduced, the working environment of operators is improved, and, the filtered air continuously enters the circulating air pipe 2 to be dried in the next round, so that the internal circulation of the air is realized, and the drying efficiency is improved.

Example 3:

as shown in fig. 3 to 4, the optimization scheme of this embodiment based on embodiment 1 is as follows: the rotating body comprises a rotating shaft 11 and rotating plates 12, an elastic rope 14 is connected to the rotating plates 12, the elastic rope 14 is located in the center of the plate surfaces of the rotating plates 12, the longest distance between the stretched elastic rope 14 and the centers of the plate surfaces of the two rotating plates 12 is not more than the distance between the stretched elastic ropes 14, the situation that the elastic rope 14 is stirred into a lump due to overlong elastic ropes 14 is prevented, the end parts of the elastic ropes 14 are connected with rubber balls 13, the rotating plates 12 are driven to rotate along with the internal circulation of air of the circulating air pipe 2, materials entering the drying chamber 1 are stirred, the drying uniformity of the materials is improved, the rotating plates 12 are made of iron, the elastic ropes 14 on the rotating plates are dragged by the rotating plates 12, the rubber balls 13 are driven to swing, the rubber balls 13 are extruded and collided with the surfaces of the materials, the surfaces of the materials are leveled and smooth after being extruded and not rolled, rubber ball 13 is hollow structure, rubber ball 13 is inside to be equipped with magnetic ball 132, the outside equipartition of magnetic ball 132 has spring 133, rubber ball 13 inside magnetic ball 132 receives the attraction of rotor plate 12, constantly bounce inside rubber ball 13, make rubber ball 13 shake a little at the whipping in-process, elastomer 131 and the material surface contact on rubber ball 13 surface, make its shake a little, make the density of material more even, the focus of material is located the center on material surface, the material appearance after the stoving is tight, it is heavy and real, the extension material shelf life.

In the invention, the rubber ball 13 is made of surface hydrophilic silicone rubber with excellent hydrophilic performance, and the preparation method comprises the following steps:

(1) preparation of Room temperature vulcanized Silicone rubber

Adding hydroxyl-terminated polydimethylsiloxane into a three-neck flask provided with an electric stirrer, dehydrating for 4h in vacuum at 110 ℃, adding 8% of methyl tributylketoxime silane, adding 0.2% of dibutyltin dilaurate after N2 is introduced and uniformly stirred, introducing N2, stirring for reacting for 35min, degassing in vacuum after the reaction is finished, injecting into a mold, and curing for 7-10 days at room temperature.

(2) Surface activation of silicone rubber

Adding room temperature vulcanized silicone rubber into a reaction container, soaking in a dilute hydrochloric acid solution with the mass fraction of 11% for 9 hours, and irradiating the room temperature vulcanized silicone rubber under ultraviolet light for 11 minutes after the reaction is finished to activate the surface of the silicone rubber.

(3) Initiator modified silicon rubber surface

Adding the surface-activated silicone rubber sheet in the step (2) into a dry reaction bottle, adding ethyl acetate and triethylamine, stirring in an ice bath, dropwise adding a mixed solution of alpha-bromoisobutyryl bromide and ethyl acetate, and removing the ice bath after dropwise adding; stirring and reacting for 1.5h at room temperature, and performing ultrasonic washing and vacuum drying after the reaction is finished to obtain the silicone rubber modified by the surface initiator.

(4) Surface grafting of silicone rubber

Adding the silicone rubber sheet with the surface initiator prepared in the step (3) and CuCl, 2, 2' -bipyridine into a reaction bottle which is vacuumized by a baking bottle and is filled with nitrogen, and then adding hydroxyethyl methacrylate, wherein the molar ratio is as follows: n (CuCl): n (2, 2' -bipyridine): n (monomer) = 1: 4: 340, adding a mixed solvent of acetone, 4-bromobiphenyl and water in a volume ratio of 3.5:1, reacting for 3 hours at 65 ℃, ultrasonically washing and vacuum drying after the reaction is finished to obtain the silicone rubber with the hydrophilic polymer grafted on the surface, wherein the addition of the 4-bromobiphenyl can obviously reduce the abrasion rate and the friction coefficient, and after a small amount of the 4-bromobiphenyl is added into the prepared silicone rubber sheet with the surface initiator, the silicone rubber sheet can migrate to the surface of a product in the ultrasonic washing and vacuum drying process to continuously generate a lubricating interface serving as an interface or a mixed film, so that the wear resistance of the rubber ball 13 is greatly improved, and the service life of the device is prolonged.

Example 4:

as shown in fig. 1, 5, and 6, the optimization scheme of this embodiment based on embodiment 1 is as follows: the conveying device comprises a rotating wheel 15 and a conveying belt 16, the rotating wheel 15 is connected to the inner parts of wall bodies on two sides of a drying chamber 1 in an embedded mode, the conveying belt 16 is a net-shaped conveying belt, the size of meshes of the net-shaped conveying belt is smaller than that of materials, the materials fall onto the conveying belt 16 below the drying chamber 1 from the drying chamber 1, the meshes are smaller than that of the materials, the materials are prevented from falling into the lower part of the conveying belt 16 from the meshes, the rotating wheel 15 rotates to drive the conveying belt 16 to send the materials out of the drying chamber 1, the side edge of the rotating wheel 15 is vertically connected with one end of a swinging roller 22, a striking rod 23 is vertically connected above the other end of the swinging roller 22, a swinging ball 24 is installed at the upper end of the striking rod 23, the swinging ball 24 is located under a discharging plate 17, the swinging rod 22 is driven to rotate through the rotation of the rotating wheel 15, the, prevent the material from blocking, make the supplies looser when falling down at the same time, increase the contact surface with air, make the residual dust of surface go with the air, there are air heaters 19 outside the bottom of drying chamber 1, connect with the hot-blast conduit 20 on the air heater 19, the hot-blast conduit 20 passes the drying chamber 1 and locates under the conveying appliance, there are air outlets 21 on the hot-blast conduit 20, the hot-blast that the air outlet 21 blows off flows upwards, the distance of the air outlet 21 and conveying appliance is preferably 50cm, this distance can make the supplies dry fast, and will not make the supplies dry and turn into the black excessively, the supplies fall into the conveyer belt 16 below from the drying chamber 1, the hot-blast that the air outlet 21 below the conveyer belt 16 blows off carries on the final further drying to the supplies through the mesh hole on the conveyer belt 16, further improve the homogeneity of the supplies drying, raise the drying efficiency of the supplies, the supplies after drying are transported, and finishing the drying work.

Example 5:

the practical use process of the invention is as follows: before feeding, the circulating fan 3 is started to enable the gas in the circulating air pipe 2 to flow rapidly and form negative pressure, the materials begin to enter the circulating air pipe 2 through the feeding air lock 10, the materials enter the drying chamber 1 through rolling motion in the circulating air pipe 2, the rotating plate 12 in the drying chamber 1 rotates under the circulating flow of the gas, the elastic rope 14 on the rotating plate 12 is dragged by the rotating plate 12 to drive the rubber ball 13 to swing, the rubber ball 13 is extruded and collided with the surface of the materials, the blade surface of the materials becomes flat after extrusion and collision and is not coiled into a group, the magnetic ball 132 in the rubber ball 13 is attracted by the rotating plate 12 and continuously bounces in the rubber ball 13, the rubber ball 13 vibrates slightly during the swinging process, the elastic body 131 on the surface of the rubber ball 13 is in contact with the surface of the materials to vibrate slightly, the density of the materials is more uniform, and the gravity center of the materials is positioned in the center of the surface of the materials, the appearance of the dried material is compact and solid, smaller broken materials and dust penetrate through the filter residue net 6 and are blown into the branch pipe 4 and then enter the dust removal chamber 5, the air flow blows up the adsorption balls 25 in the dust removal chamber 5 to enable the dust removal chamber 5 to do irregular motion, the dust in the air flow is effectively adsorbed, the probability that tea dust is scattered into the air is reduced, the working environment of operators is improved, the service life of mechanical equipment is prolonged, the material falls into the lower conveying belt 16 from the drying chamber 1, the hot air fan 19 is started, hot air is blown out upwards from the air outlet 21 through the hot air conduit 20, the material on the conveying belt 16 is dried finally through meshes, the uniformity of material drying is further improved, the material drying efficiency is improved, the dried material is conveyed to the discharge plate 17 and falls into the material collection box 18, and drying work is completed.

Conventional techniques in the above-described embodiments are known to those skilled in the art and will not be described in detail herein.

It should be understood that the above examples are only for illustrating the present invention and are not intended to limit the scope of the present invention. Furthermore, it should be understood that various changes and modifications can be made by one skilled in the art after reading the description of the invention, and equivalents fall within the scope of the invention as defined by the appended claims.

Claims

1. Multifunctional drying device, including drying chamber (1), drying chamber (1) is connected with circulation tuber pipe (2), the air outlet switch-on of one side upper portion feed inlet and circulation tuber pipe (2) of drying chamber (1), branch pipe (4) are passed through on opposite side upper portion and are linked to each other with circulating fan (3), be equipped with feeder hopper (9) on circulation tuber pipe (2), feeding airlock (10) are equipped with on feeder hopper (9), drying chamber (1) is inside from last rotator and the conveyer of being equipped with down, conveyer tip below is equipped with out flitch (17), go out flitch (17) fixed connection material collecting box (18) bottom, its characterized in that: a dust removal chamber (5) is arranged on the side wall of the joint of the circulating air pipe (2) and the circulating fan (3), and adsorption balls (25) are arranged in the dust removal chamber (5);

the rotating body comprises a rotating shaft (11) and rotating plates (12), elastic ropes (14) are connected to the rotating plates (12), the elastic ropes (14) are located at the centers of the plate surfaces of the rotating plates (12), the longest distance between the stretched elastic ropes (14) is not more than the distance between the centers of the plate surfaces of the two rotating plates (12), and the end portions of the elastic ropes (14) are connected with rubber balls (13);

the rubber ball (13) outside equipartition has elastomer (131), elastomer (131) are the umbelliform, rubber ball (13) are hollow structure, rubber ball (13) inside is equipped with magnetic ball (132), magnetic ball (132) outside equipartition has spring (133).

2. The multifunctional drying apparatus of claim 1, wherein: and a pressure sensor (8) is arranged in the circulating air pipe (2), and the pressure sensor (8) is arranged in the circulating air pipe (2) far away from the feed hopper (9) and the drying chamber (1).

3. The multifunctional drying apparatus of claim 1, wherein: the dust removing device is characterized in that a filter residue net (6) is arranged at the joint of the branch pipe (4) and the drying chamber (1), the filter residue net (6) is 10-20 meshes, a dust filtering net (7) is arranged at the joint of the dust removing chamber (5) and the circulating air pipe (2), and the dust filtering net (7) is 200-300 meshes.

4. The multifunctional drying apparatus of claim 1, wherein: conveyer includes runner (15) and transmission band (16), inside runner (15) are inlayed and are connected in drying chamber (1) both sides wall body, transmission band (16) are netted transmission band, and its mesh size is less than the size of material.

5. The multifunctional drying apparatus of claim 4, wherein: runner (15) side edge is connected swing roller (22) one end perpendicularly, swing roller (22) other end top is connected perpendicularly and is hit rod (23), hit rod (23) upper end and install pendulum ball (24), pendulum ball (24) are located ejection of compact board 17 under.

6. The multifunctional drying apparatus of claim 1, wherein: the drying device is characterized in that an air heater (19) is arranged on the outer side of the bottom of the drying chamber (1), a hot air guide pipe (20) is connected onto the air heater (19), the hot air guide pipe (20) penetrates through the drying chamber (1) and is located below the conveying device, an air outlet (21) is formed in the hot air guide pipe (20), hot air blown out of the air outlet (21) flows upwards, and the distance between the air outlet (21) and the conveying device is 30 cm-50 cm.