CN110542297B - Tea leaf drying device with roller and use method thereof - Google Patents
Tea leaf drying device with roller and use method thereof Download PDFInfo
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- CN110542297B CN110542297B CN201910844810.8A CN201910844810A CN110542297B CN 110542297 B CN110542297 B CN 110542297B CN 201910844810 A CN201910844810 A CN 201910844810A CN 110542297 B CN110542297 B CN 110542297B
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- box body
- hot air
- roller
- conveyor belt
- tea
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- 238000001035 drying Methods 0.000 title claims abstract description 56
- 238000000034 method Methods 0.000 title claims abstract description 30
- 241001122767 Theaceae Species 0.000 claims abstract description 143
- 239000000463 material Substances 0.000 claims abstract description 6
- 230000005540 biological transmission Effects 0.000 claims description 62
- 239000007789 gas Substances 0.000 claims description 41
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 36
- 238000010438 heat treatment Methods 0.000 claims description 32
- 229910052742 iron Inorganic materials 0.000 claims description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 18
- 230000001105 regulatory effect Effects 0.000 claims description 9
- 238000007599 discharging Methods 0.000 claims description 6
- 239000002912 waste gas Substances 0.000 claims description 4
- 230000007547 defect Effects 0.000 abstract description 4
- 230000001419 dependent effect Effects 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 abstract description 2
- 235000013616 tea Nutrition 0.000 description 115
- 238000004519 manufacturing process Methods 0.000 description 8
- 238000005096 rolling process Methods 0.000 description 7
- 238000010009 beating Methods 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- 241000233805 Phoenix Species 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000011265 semifinished product Substances 0.000 description 3
- 235000006468 Thea sinensis Nutrition 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 235000020333 oolong tea Nutrition 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23F—COFFEE; TEA; THEIR SUBSTITUTES; MANUFACTURE, PREPARATION, OR INFUSION THEREOF
- A23F3/00—Tea; Tea substitutes; Preparations thereof
- A23F3/06—Treating tea before extraction; Preparations produced thereby
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/001—Drying-air generating units, e.g. movable, independent of drying enclosure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- 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
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/001—Handling, e.g. loading or unloading arrangements
- F26B25/002—Handling, e.g. loading or unloading arrangements for bulk goods
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/06—Chambers, containers, or receptacles
- F26B25/14—Chambers, containers, receptacles of simple construction
- F26B25/16—Chambers, containers, receptacles of simple construction mainly closed, e.g. drum
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B3/00—Drying solid materials or objects by processes involving the application of heat
- F26B3/02—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B2200/00—Drying processes and machines for solid materials characterised by the specific requirements of the drying good
- F26B2200/20—Teas, i.e. drying, conditioning, withering of tea leaves
Abstract
A tea leaf drying device with a roller and a use method thereof. The device comprises an outer box body, a hot air box body and more than two rollers, wherein the hot air box body is positioned in the outer box body, and a hot air outlet is formed in the side wall surface of the hot air box body; the roller is arranged around the hot air box body; and the rollers are communicated with each other through a conveying component to realize the conveying of materials from head to tail between the two rollers. The method comprises the following steps: testing the moisture of the green-removed semi-finished tea, adjusting the angle between the roller and the horizontal plane according to the moisture content of the tea, and then turning on a power switch of the equipment to start the roller, the conveyor belt, the fan and the burner inside; and (3) putting the semi-finished tea to be treated into a tea inlet, drying for the first time, standing at room temperature, and drying for the second time. The invention provides a using method of the device by combining the device, and the tea finished product has higher quality by a standardized method, so that the defect that the traditional tea making process is too dependent on manual technology is overcome.
Description
Technical Field
The invention belongs to the field of tea equipment, and particularly relates to a tea drying device and a use method thereof.
Background
The Chaozhou phoenix town is a main production area of domestic phoenix tea, and the phoenix tea belongs to one of oolong tea. The tea making process of the oolong tea comprises the following steps: picking and making tender leaves, sun-drying, airing, wave-drying, de-enzyming, rolling and baking for 7 steps. The tea drying is to dry the water in the tea so as to control the water content in the tea, and the water content in the tea has a great influence on the taste of the finished tea and the shelf life, so the step is a key step in the tea manufacturing process. Traditional tea drying adopts a container, and is directly fried on open fire to achieve the effect of drying. The existing tea drying equipment on the market also adopts a heating mode to heat tea leaves on a container, but the traditional tea leaf rolling step in the frying process is lacked, the water content of the product is difficult to control, the taste quality of the product is difficult to achieve a certain guarantee, and the quality of finished tea leaves is difficult to maintain stable.
After the traditional tea leaves are manufactured, the tea leaves are put into rolling equipment for rolling after the de-enzyming step, the tea leaves are rolled into strips, the tea leaves are easy to agglomerate into tea balls in the rolling process, the agglomerated tea leaves need to be scattered, the tea leaves are scattered by a rope beating machine in the process generally, the tea leaves do not agglomerate in the process, and the subsequent separation of the tea leaves from tea stems is facilitated. The tea can be dried after separation. Because this process is comparatively loaded down with trivial details, the production is carried out according to traditional tea making personnel's experience completely in the current tealeaves production process, can't guarantee the quality of tealeaves through standardized production.
Disclosure of Invention
Aiming at the defects of the prior art, the invention combines the steps of twisting, rope beating, separating and drying, and provides a high-efficiency tea drying device and a using method thereof. The device integrates the steps of twisting, beating, separating and drying, and efficiently integrates a plurality of steps, so that one device can finish a plurality of steps in the whole tea making process, and simultaneously provides a using method and a standardized production method for the tea making process.
The technical scheme of the invention is as follows.
The tea drying device with the roller comprises an outer box body, a hot air box body and more than two rollers, wherein the hot air box body is positioned in the outer box body, and a hot air outlet is formed in the side wall surface of the hot air box body; the roller is arranged around the hot air box body; and the rollers are communicated with each other through a conveying component to realize the conveying of materials from head to tail between the two rollers.
Further, the rollers are spirally arranged around the hot air box body or are distributed on one side surface of the hot air box body to form a turning arrangement which is vertically arranged; and the top of the outer box body is provided with an exhaust port.
Further, an exhaust gas passage is formed in the hot air box body, penetrates through the top and the bottom of the hot air box body, and is communicated with the external environment through an exhaust gas outlet and used for discharging exhaust gas generated in the heating process; the hot air box body consists of a hot air box body upper box body and a hot air box body bottom box body; the inside of the bottom box body of the hot air box body is separated from the exhaust passage of the waste gas by a heat collecting pipe wall; an air inlet and a heating port are formed in the side face of the bottom box body of the hot air box body; a fan is arranged in the air inlet; the heating port is communicated with the exhaust gas passage, and the air inlet is communicated with a space between the bottom box body of the hot air box body and the exhaust gas passage; the heating port is connected with an external burner and is used for heating the heat collecting pipe wall; the top of the bottom box body of the hot air box body is provided with a hot air inlet; the hot air inlet is communicated with a space between the bottom box body of the hot air box body and the exhaust passage; an exhaust gas passage is formed in the center of the inner part of the upper box body of the hot air box body, and a space between the upper box body of the hot air box body and the exhaust gas passage is communicated with a hot air inlet; the outer side surface of the upper box body of the hot air box body is provided with a hot air outlet.
Further, the cylinder comprises pivot, cylinder support and iron net, cylinder inside support is a cylinder form support, and the support center is provided with the pivot, the outside of cylinder support is provided with the iron net for the side of cylinder is the tubular structure of iron net parcel, just the entry area of cylinder is greater than the area of export.
Further, the conveying component is a conveying belt; the conveyor belt comprises a baffle, a conveyor belt driving motor, a transmission chain and a conveyor belt main body; the tea leaf conveying belt is characterized in that the transmission chain is connected with the main body of the transmission belt, the main body of the transmission belt is driven to move through the movement of the transmission chain, a baffle plate is arranged on the main body of the transmission belt and used for clamping tea leaves to prevent the transmission belt from inclining to cause the tea leaves to slide downwards, and the driving motor of the transmission belt is connected with the transmission chain through a gear, so that the transmission chain is driven to operate.
Further, the conveyor belt is fixed on the inner wall surface of the outer box body through a fixing frame; the roller is fixed in the conveyer belt below through the linking arm, be connected with the bearing on the linking arm, be connected with the pivot on the roller support, in the pivot cover was located the bearing, be connected with the motor that is fixed in on the linking arm simultaneously, the motor is connected with external power source to drive roller rotation.
A tea leaf drying device with a drum, the device comprising: the hot air box comprises an outer box body, a hot air box body upper box body, a hot air box body bottom box body, a hot air outlet, an exhaust port, an exhaust gas outlet, an air inlet, a heating port, a heat collecting pipe wall, a fan, a hot air inlet, a roller, a tea discharge port, a connecting arm, a motor, a rotating shaft, a roller bracket, a conveyor belt, a baffle, a conveyor belt driving motor, a transmission chain, a fixing frame, a bearing and a tea inlet; the rollers comprise a first roller, a second roller, a third roller, a fourth roller and a fifth roller;
the hot air box body is positioned in the outer box body, and a hot air outlet is formed in the side wall surface of the hot air box body; the roller is arranged around the hot air box body; and the rollers are communicated with each other through a conveying component to realize the conveying of materials from head to tail between the two rollers. The rollers are spirally arranged around the hot air box body; the top of the outer box body is provided with an exhaust port, the top of the outer box body is provided with a tea inlet, and the bottom of the outer box body is provided with a tea outlet; a first conveyor belt is arranged below the tea inlet and is fixed on the inner wall surface of the outer box body through a fixing frame, a first roller is fixed below the first conveyor belt, a second conveyor belt is arranged at the outlet of the first roller and is fixed on the inner wall surface of the outer box body through the fixing frame, a second roller is fixed below the second conveyor belt, a third conveyor belt is arranged at the outlet of the second roller and is fixed on the inner wall surface of the outer box body through the fixing frame, a third roller is fixed below the second conveyor belt, a fourth conveyor belt is arranged at the outlet of the third roller and is fixed on the inner wall surface of the outer box body through the fixing frame, a fourth roller is fixed below the fourth conveyor belt, a fifth conveyor belt is arranged at the outlet of the fourth roller and is fixed on the inner wall surface of the outer box body through the fixing frame, a fifth conveyor belt is fixed below the fifth conveyor belt and is aligned with the fifth tea outlet below the fifth roller; an exhaust passage is formed in the hot air box body, penetrates through the top and the bottom of the hot air box body, and is communicated with the external environment through an exhaust port and is used for discharging exhaust gas generated in the heating process; the hot air box body consists of a hot air box body upper box body and a hot air box body bottom box body; the inside of the bottom box body of the hot air box body is separated from the exhaust passage of the waste gas by a heat collecting pipe wall; an air inlet and a heating port are formed in the side face of the bottom box body of the hot air box body; a fan is arranged in the air inlet; the heating port is communicated with the exhaust gas passage, and the air inlet is communicated with a space between the bottom box body of the hot air box body and the exhaust gas passage; the heating port is connected with an external burner and is used for heating the heat collecting pipe wall; the top of the bottom box body of the hot air box body is provided with a hot air inlet; the hot air inlet is communicated with a space between the bottom box body of the hot air box body and the exhaust passage; an exhaust gas passage is formed in the center of the inner part of the upper box body of the hot air box body, and a space between the upper box body of the hot air box body and the exhaust gas passage is communicated with a hot air inlet; a hot air outlet is formed in the outer side face of the upper box body of the hot air box body; the roller consists of a rotating shaft, a roller support and an iron net, wherein the inner support of the roller is a roller-shaped support, the center of the support is provided with the rotating shaft, the iron net is arranged outside the roller support, the side surface of the roller is of a cylindrical structure wrapped by the iron net, and the area of an inlet of the roller is larger than that of an outlet of the roller; the conveying component is a conveying belt; the conveyor belt comprises a baffle, a conveyor belt driving motor, a transmission chain and a conveyor belt main body; the transmission chain is connected with the transmission belt main body, the transmission belt main body is driven to move by the movement of the transmission chain, a baffle is arranged on the transmission belt main body, and the transmission belt driving motor is connected with the transmission chain through a gear, so that the transmission chain is driven to operate; the conveyor belt is fixed on the inner wall surface of the outer box body through a fixing frame; the roller is fixed in the conveyer belt below through the linking arm, be connected with the bearing on the linking arm, be connected with the pivot on the roller support, in the pivot cover was located the bearing, be connected with the motor that is fixed in on the linking arm simultaneously, the motor is connected with external power source to drive roller rotation.
The application method of the tea leaf drying device with the roller comprises the following steps:
(1) Testing the moisture of the green-removed semi-finished tea, adjusting the angle between the roller and the horizontal plane according to the moisture content of the tea, and then turning on a power switch of the equipment to start the roller, the conveyor belt, the fan and the burner inside;
(2) And (3) regulating the temperature of the hot air to ensure that after the hot air reaches a preset temperature, the semi-finished tea to be treated is placed into a tea inlet, the tea is dried for the first time, then the tea is kept stand for 2 to 3 hours at room temperature, and the second time is dried.
In the method, the water content of the tea after the first drying is as follows: 20-30%; the water content of the tea leaves after the second drying is lower than 5%; the rotating speed of the roller is 3-8 r/min.
In the method, in the step (2), the water content of the tea leaves before the first drying is 70-80%, the angle between the roller and the horizontal plane is adjusted to 15-25 degrees, the hot air temperature is 120-140 degrees, the drying time is 3-5min, the water content of the tea leaves at the moment is 50-60 percent, the angle between the roller and the horizontal plane is adjusted to 35-45 degrees, the hot air temperature is 100-110 degrees, the drying time is 2-4min, the water content of the tea leaves reaches 20-30 percent, then the tea leaves are kept stand for 2-3 h, the water content of the tea leaves after absorbing the water in the air is 50-60 percent, the angle between the roller and the horizontal plane is adjusted to 5-15 degrees, the hot air temperature is 90-110 degrees, and the drying time is 5-7min.
Compared with the prior art, the invention has the advantages that:
(1) The invention can effectively complete the steps of twisting, beating and drying in the whole tea making process, and the steps can be completed through the treatment of the drum on the tea.
(2) The invention provides a using method of the device by combining the device, and the tea finished product has higher quality by a standardized method according to the state of tea, so that the defect that the traditional tea making process is too dependent on manual technology can be overcome.
(3) The device has simple structure, is convenient for industrialized production, and simultaneously can realize mechanized production in the tea making process.
(4) The tea leaf drying process includes the steps of firstly controlling the water content of tea leaves to be 20-30%, standing for 2-3 h, and then carrying out complete drying to improve the quality of the tea leaves.
Drawings
Fig. 1 is a schematic diagram of the whole structure of a tea leaf drying device with a roller;
FIG. 2 is a schematic view of the internal structure of the case;
FIG. 3 is a schematic view of the structure of the hot air box;
FIG. 4 is a schematic view of the bottom box structure of the hot air box;
FIG. 5 is a perspective view of the bottom housing of the hot air box;
FIG. 6 is a schematic diagram of a conveyor belt;
FIG. 7 is a connection diagram of the connecting arm and the roller body;
FIG. 8 is a schematic view of a connecting arm structure;
FIG. 9 is an enlarged view of a portion of FIG. 8A;
FIG. 10 is a top view of the drum body;
FIG. 11 is a schematic view of the connection structure of the rollers and the conveyor belt to the wall surface of the outer case;
fig. 12 is a schematic overall structure of a tea leaf drying device with a drum according to embodiment 2.
The individual components in the figure are as follows: the hot air box comprises an outer box body 1, a hot air box body 2, a hot air box body upper box body 2.1, a hot air box body bottom box body 2.2, a hot air outlet 3, an exhaust port 4, an exhaust gas exhaust port 5, an air inlet 6, a heating port 7, a heat collecting pipe wall 8, a fan 9, a hot air inlet 10, a roller 11, a first roller 11.1, a second roller 11.2, a third roller 11.3, a fourth roller 11.4, a fifth roller 11.5, a tea discharging port 12, a connecting arm 13, a motor 14, a rotating shaft 15, a roller bracket 16, a conveyor belt 17, a baffle 17.1, a conveyor belt driving motor 17.2, a transmission chain 17.3, a conveyor belt outer shell 17.4, a fixing frame 18, a bearing 19, a tea inlet 20 and a hole 21.
Detailed Description
Example 1
In the embodiment, the rollers of the tea leaf drying device are spirally arranged around the hot air box body, and referring to fig. 1 to 11, the conveyor belt is not shown in fig. 1 for the whole beautiful appearance of the pictures; fig. 5 is a perspective view of a bottom box of the hot air box, wherein the hatched portion is a schematic view of the heat accumulating pipe wall surface. The device comprises: the hot air box comprises an outer box body 1, a hot air box body 2, a hot air box body upper box body 2.1, a hot air box body bottom box body 2.2, a hot air outlet 3, an exhaust port 4, an exhaust gas exhaust port 5, an air inlet 6, a heating port 7, a heat collecting pipe wall 8, a fan 9, a hot air inlet 10, a roller 11, a roller, a tea discharge port 12, a connecting arm 13, a motor 14, a rotating shaft 15, a roller bracket 16, a conveyor belt 17, a baffle 17.1, a conveyor belt driving motor 17.2, a transmission chain 17.3, a fixing frame 18, a bearing 19 and a tea inlet 20; the rollers comprise a first roller 11.1, a second roller 11.2, a third roller 11.3, a fourth roller 11.4 and a fifth roller 11.5; the hot air box body 2 is positioned in the outer box body 1, and a hot air outlet 3 is formed in the side wall surface of the hot air box body 2; the roller 11 is arranged around the hot air box body 2; the rollers 11 are connected through a conveying component to realize the conveying of the head and tail materials between the two rollers 11, namely, a conveying belt is arranged below the tail end outlet of the previous roller to receive the tea leaves and is used for conveying the tea leaves into the next roller. The rollers 11 are spirally arranged around the hot air box body 2; the top of the outer box body 1 is provided with an exhaust port 4 for exhausting gas with water vapor after heating, the top of the outer box body 1 is provided with a tea inlet 20, and the bottom of the outer box body 1 is provided with a tea outlet 12; a first conveyor belt is arranged below the tea inlet 20, the first conveyor belt is fixed on the inner wall surface of the outer box body 1 through a fixing frame 18, a first roller 11.1 is fixed below the first conveyor belt, a second conveyor belt is arranged at the outlet of the first roller 11.1, the second conveyor belt is fixed on the inner wall surface of the outer box body 1 through the fixing frame 18, a second roller 11.2 is fixed below the second conveyor belt, a third conveyor belt is arranged at the outlet of the second roller 11.2, the third conveyor belt is fixed on the inner wall surface of the outer box body 1 through the fixing frame 18, a third roller 11.3 is fixed below the second conveyor belt, a fourth conveyor belt is arranged at the outlet of the third roller 11.3 and is fixed on the inner wall surface of the outer box body 1 through the fixing frame 18, a fourth roller 11.4 is fixed below the fourth conveyor belt, a fifth conveyor belt is arranged at the outlet of the fourth roller 11.4, the fifth conveyor belt is fixed on the inner wall surface of the outer box body 1 through the fixing frame 18, and the fifth conveyor belt is not aligned with the fifth conveyor belt (the fifth conveyor belt is fixed on the inner wall surface of the outer box body 11.5, and is not aligned with the fifth conveyor belt in the fifth conveyor belt 11); an exhaust gas passage is formed in the hot air box body 2, penetrates through the top and the bottom of the hot air box body 2, and is communicated with the external environment through an exhaust gas outlet 5 and used for discharging exhaust gas generated in the heating process; the hot air box body 2 consists of a hot air box body upper box body 2.1 and a hot air box body bottom box body 2.2; the interior of the bottom box body 2.2 of the hot air box body is separated from the exhaust gas passage through a heat collecting pipe wall 8 (the wall surface is a seamless impermeable air gap wall surface formed by heat collecting pipes); an air inlet 6 and a heating port 7 are formed in the side face of the box body 2.2 at the bottom of the hot air box body; a fan 9 (in specific implementation, a hand hole operation fan can be arranged on the outer box 1) is arranged in the air inlet 6; the heating port 7 is communicated with the exhaust gas exhaust passage, and the air inlet 6 is communicated with a space between the bottom box body 2.2 of the hot air box body and the exhaust gas exhaust passage; the heating port 7 is connected with an external burner, and the burner in the embodiment is a burner which can be selected from gas or electric heating for the existing common burner on the market (in specific implementation, a hand hole operation burner can be arranged on the outer box 1) and is used for heating the heat collecting pipe wall 8; the top of the box body 2.2 at the bottom of the hot air box body is provided with a hot air inlet 10; the hot air inlet 10 is communicated with the space between the bottom box body 2.2 of the hot air box body and the exhaust gas passage, and the main function is that hot air enters the bottom box body 2.2 of the hot air box body through the hot air inlet 10 and then the tea leaves in the roller are dried through the hot air outlet 3; an exhaust gas passage is formed in the center of the interior of the upper box body 2.1 of the hot air box body, and a space between the upper box body 2.1 of the hot air box body and the exhaust gas passage is communicated with the hot air inlet 10; the outer side surface of the upper box body 2.1 of the hot air box body is provided with a hot air outlet 3; the roller 11 is composed of a rotating shaft 15, a roller support 16 and an iron net, the roller support 16 is a roller-shaped support, the center of the support is provided with the rotating shaft 15 (as shown in fig. 7), the outer part of the roller support 16 is provided with the iron net (the iron net is not shown in the drawing, the iron net can be 1mm x 1mm of the iron net in the embodiment), so that the side surface of the roller 11 is of a cylindrical structure wrapped by the iron net, and the inlet area of the roller 11 is larger than the area of the outlet; the conveying part is a conveying belt 17; the conveyor 17 comprises a baffle 17.1, a conveyor driving motor 17.2, a transmission chain 17.3, a conveyor belt housing 17.4 and a conveyor belt main body; the transmission chain 17.3 is connected with the transmission belt main body, the transmission belt main body is driven to move by the movement of the transmission chain 17.3, the transmission belt main body is provided with a baffle 17.1, and the transmission belt driving motor 17.2 is connected with the transmission chain 17.3 through a gear, so that the transmission chain 17.3 is driven to operate; the drive belt is arranged inside the conveyor belt housing 17.4; the conveyor belt 17 is fixed on the inner wall surface of the outer box body 1 through a fixing frame 18; the cylinder 11 is fixed in conveyer 17 below through linking arm 13, and hole 21 has been seted up to linking arm 13's end, and on the drive belt housing 11.4 through the screw fixation cylinder 11, through adjusting screw elasticity back, thereby the angle of rotation cylinder can adjust cylinder and horizontal plane, can set up the hand hole in outer box 1 and realize this operation in the concrete implementation, be connected with bearing 19 on linking arm 13, be connected with pivot 15 on the cylinder support 16, in the bearing 19 was located to pivot 15 cover, simultaneously be connected with the motor 14 that is fixed in on linking arm 13, motor 14 is connected with external power source to drive the cylinder and rotate.
Example 2
In the drum of the tea leaf drying device of this embodiment, the drum is arranged in a turning shape which is distributed on one side surface of the hot air box 2 and is arranged up and down, and referring specifically to fig. 12, other partial schematic views refer to embodiment 1. The device comprises: the hot air box comprises an outer box body 1, a hot air box body 2, a hot air box body upper box body 2.1, a hot air box body bottom box body 2.2, a hot air outlet 3, an exhaust port 4, an exhaust gas exhaust port 5, an air inlet 6, a heating port 7, a heat collecting pipe wall 8, a fan 9, a hot air inlet 10, a roller 11, a roller, a tea discharge port 12, a connecting arm 13, a motor 14, a rotating shaft 15, a roller bracket 16, a conveyor belt 17, a baffle 17.1, a conveyor belt driving motor 17.2, a transmission chain 17.3, a fixing frame 18, a bearing 19 and a tea inlet 20; the rollers comprise a first roller 11.1, a second roller 11.2, a third roller 11.3 and a fourth roller 11.4;
the hot air box body 2 is positioned in the outer box body 1, and a hot air outlet 3 is formed in the side wall surface of the hot air box body 2; the roller 11 is arranged around the hot air box body 2; the rollers 11 are connected with each other by a conveying member to convey the material between the two rollers 11 (the conveyor belt is not shown in fig. 12, and the detailed structure of the conveyor belt and the rollers is shown in fig. 11). The rollers 11 are arranged up and down on one side of the hot air box body 2 and take on a turning shape (as shown in fig. 12); the top of the outer box body 1 is provided with an exhaust port 4, the top of the outer box body 1 is provided with a tea inlet 20, and the bottom of the outer box body 1 is provided with a tea discharge port 12; a first conveyor belt is arranged below the tea inlet 20, the first conveyor belt is fixed on the inner wall surface of the outer box body 1 through a fixing frame 18, a first roller 11.1 is fixed below the first conveyor belt, a second conveyor belt is arranged at the outlet of the first roller 11.1, the second conveyor belt is fixed on the inner wall surface of the outer box body 1 through the fixing frame 18, a second roller 11.2 is fixed below the second conveyor belt, a third conveyor belt is arranged at the outlet of the second roller 11.2, the third conveyor belt is fixed on the inner wall surface of the outer box body 1 through the fixing frame 18, a third roller 11.3 is fixed below the second conveyor belt, a fourth conveyor belt is arranged at the outlet of the third roller 11.3, the fourth conveyor belt is fixed on the inner wall surface of the outer box body 1 through the fixing frame 18, a fourth roller 11.4 is fixed below the fourth conveyor belt, and a tea outlet 12 is arranged below the outlet of the fourth roller 11.4; in the embodiment, in the running process of the device, tea leaves falling from the outlet of the first roller 11.1 are driven by the second driving belt to enter the second roller 11.2, and the like, and enter other rollers for drying; an exhaust gas passage is formed in the hot air box body 2, penetrates through the top and the bottom of the hot air box body 2, and is communicated with the external environment through an exhaust gas outlet 5 and used for discharging exhaust gas generated in the heating process; the hot air box body 2 consists of a hot air box body upper box body 2.1 and a hot air box body bottom box body 2.2; the interior of the box body 2.2 at the bottom of the hot air box body is separated from the exhaust passage through a heat collecting pipe wall 8; an air inlet 6 and a heating port 7 are formed in the side face of the box body 2.2 at the bottom of the hot air box body; a fan 9 is arranged in the air inlet 6; the heating port 7 is communicated with the exhaust gas exhaust passage, and the air inlet 6 is communicated with a space between the bottom box body 2.2 of the hot air box body and the exhaust gas exhaust passage; the heating port 7 is connected with an external burner, and the burner in the embodiment is a burner which can be selected from gas or electricity for heating by the existing common burner on the market and is used for heating the heat collecting pipe wall 8 (the wall surface is a wall surface formed by heat collecting pipes) so that the temperature of the heat collecting pipe wall rises; the top of the box body 2.2 at the bottom of the hot air box body is provided with a hot air inlet 10; the hot air inlet 10 is communicated with a space between the bottom box body 2.2 of the hot air box body and the exhaust passage of the waste gas; an exhaust gas passage is formed in the center of the interior of the upper box body 2.1 of the hot air box body, and a space between the upper box body 2.1 of the hot air box body and the exhaust gas passage is communicated with the hot air inlet 10; a hot air outlet 3 is formed in the outer side face of the upper box body 2.1 of the hot air box body, and is used for drying tea leaves in the roller; the roller 11 consists of a rotating shaft 15, a roller support 16 and an iron net, the roller support 16 is a roller-shaped support, the rotating shaft 15 is arranged in the center of the support, the iron net is arranged outside the roller support 16, the side surface of the roller 11 is of a cylindrical structure wrapped by the iron net, and the area of an inlet of the roller 11 is larger than that of an outlet; the conveying part is a conveying belt 17; the conveyor 17 comprises a baffle 17.1, a conveyor driving motor 17.2, a transmission chain 17.3, a conveyor belt housing 17.4 and a conveyor belt main body; the transmission chain 17.3 is connected with the transmission belt main body, the transmission belt main body is driven to move by the movement of the transmission chain 17.3, the transmission belt main body is provided with a baffle 17.1, and the transmission belt driving motor 17.2 is connected with the transmission chain 17.3 through a gear, so that the transmission chain 17.3 is driven to operate; the conveyor belt 17 is fixed on the inner wall surface of the outer box body 1 through a fixing frame 18; the cylinder 11 is fixed in conveyer 17 below through linking arm 13, and hole 21 has been seted up to linking arm 13's end, and on the drive belt housing 11.4 through the screw fixation cylinder 11, through adjusting screw elasticity back, thereby the angle of rotation cylinder can adjust cylinder and horizontal plane, can set up the hand hole in outer box 1 and realize this operation in the concrete implementation, be connected with bearing 19 on linking arm 13, be connected with pivot 15 on the cylinder support 16, in the bearing 19 was located to pivot 15 cover, simultaneously be connected with the motor 14 that is fixed in on linking arm 13, motor 14 is connected with external power source to drive the cylinder and rotate.
Example 3
The device in the embodiment 1 is adopted, the water content of the tea leaves processed in the green-wave step is firstly tested, the water content is measured to be 72%, the angle between the roller and the horizontal plane is adjusted to be 20 degrees, then the power switch of the equipment is turned on, so that the roller, the conveyor belt, the fan and the burner in the interior are started, and the rotating speed of the roller in the embodiment is 5r/min; and (3) regulating the temperature of hot air to ensure that after the hot air reaches the preset temperature of 125 ℃, putting a semi-finished product of the tea to be treated into a tea inlet, drying the tea for the first time, wherein the time is 3 minutes, after the tea completely comes out of an outlet, turning off a power supply, regulating the angle between a regulating roller and a horizontal plane to 40 degrees, turning on the power supply, controlling the temperature of the hot air to be 100 ℃, pouring the tea into the tea inlet again, drying for 2 minutes, testing the moisture content of the tea at the outlet to be 20%, standing for 2.5 hours at room temperature, testing the moisture content of the tea, drying for the second time to be 53%, regulating the angle between the regulating roller and the horizontal plane to be 10 degrees, and drying for 5 minutes to obtain the finished product of the tea, wherein the moisture content of the measured tea is 1%.
In the embodiment, the semi-finished product of the tea after fixation is directly dried, and the roller is used for processing, so that the effect of rolling and dispersing the tea can be achieved, the phenomenon of agglomeration into tea balls is avoided, and the device integrates the steps of rolling and drying in the traditional process. In addition, the applicant combines the defects in the traditional drying process, and adopts a two-stage drying method, so that the final tea has higher quality, and the tea tasting expert in the industry is widely accepted.
Example 4
The device in the embodiment 2 is adopted, the water content of the tea leaves processed in the green-wave step is firstly tested, the water content is measured to be 77%, the angle between the roller and the horizontal plane is adjusted to be 25 degrees, then the power switch of the equipment is turned on, so that the roller, the conveyor belt, the fan and the burner in the interior are started, and the rotating speed of the roller in the embodiment is 5r/min; and (3) adjusting the temperature of hot air to ensure that after the hot air reaches the preset temperature of 130 ℃, putting a semi-finished product of the tea to be treated into a tea inlet, drying the tea for the first time, wherein the time is 3 minutes, after the tea completely comes out of an outlet, turning off a power supply, adjusting the angle between a regulating roller and a horizontal plane to be 30 degrees, turning on the power supply, controlling the temperature of the hot air to be 110 ℃, pouring the tea into the tea inlet again, drying for 2 minutes, testing the moisture content of the tea at the outlet to be 21%, standing for 3 hours at room temperature, testing the moisture content of the tea again, drying for the second time to be 58%, adjusting the angle between the regulating roller and the horizontal plane to be 10 degrees, and drying for 5 minutes, wherein the moisture content of the tea is measured to be 1.2%, so as to obtain the finished tea.
Claims (7)
1. The tea drying device with the roller is characterized by comprising an outer box body (1), a hot air box body (2) and more than two rollers (11), wherein the hot air box body (2) is positioned inside the outer box body (1), and a hot air outlet (3) is formed in the side wall surface of the hot air box body (2); the roller (11) is arranged around the hot air box body (2); the rollers (11) are connected through a conveying component to realize the conveying of materials from head to tail between the two rollers (11);
the roller (11) is spirally arranged around the hot air box body (2) or is distributed on one side surface of the hot air box body (2) in a turning shape which is vertically arranged; the top of the outer box body (1) is provided with an exhaust port (4);
an exhaust gas exhaust passage is formed in the hot air box body (2), penetrates through the top and the bottom of the hot air box body (2), and is communicated with the external environment through an exhaust gas outlet (5); the hot air box body (2) consists of a box body (2.1) at the upper part of the hot air box body and a box body (2.2) at the bottom of the hot air box body; the interior of the bottom box body (2.2) of the hot air box body is separated from the exhaust passage through a heat collecting pipe wall (8); an air inlet (6) and a heating port (7) are formed in the side face of the box body (2.2) at the bottom of the hot air box body; a fan (9) is arranged in the air inlet (6); the heating port (7) is communicated with the exhaust gas passage, and the air inlet (6) is communicated with a space between the bottom box body (2.2) of the hot air box body and the exhaust gas passage; the heating port (7) is connected with an external burner and is used for heating the heat collecting pipe wall (8); a hot air inlet (10) is formed in the top of the hot air box bottom (2.2); the hot air inlet (10) is communicated with a space between the bottom box body (2.2) of the hot air box body and the exhaust passage of the waste gas; an exhaust gas exhaust passage is formed in the center of the interior of the upper box body (2.1) of the hot air box body, and a space between the upper box body (2.1) of the hot air box body and the exhaust gas exhaust passage is communicated with a hot air inlet (10); a hot air outlet (3) is formed in the outer side surface of the upper box body (2.1) of the hot air box body;
the roller (11) is composed of a rotating shaft (15), a roller support (16) and an iron net, the roller support (16) is a roller-shaped support, the rotating shaft (15) is arranged at the center of the support, the iron net is arranged outside the roller support (16), the side face of the roller (11) is of a cylindrical structure wrapped by the iron net, and the area of an inlet of the roller (11) is larger than that of an outlet.
2. A tea leaf drying device with a drum according to claim 1, characterized in that the conveying means is a conveyor belt (17); the conveyor belt (17) comprises a baffle plate (17.1), a conveyor belt driving motor (17.2), a transmission chain (17.3), a conveyor belt shell (17.4) and a conveyor belt main body; the transmission chain (17.3) is connected with the transmission belt main body, the transmission belt main body is driven to move through the movement of the transmission chain (17.3), the transmission belt main body is provided with a baffle plate (17.1), and the transmission belt driving motor (17.2) is connected with the transmission chain (17.3) through a gear, so that the transmission chain (17.3) is driven to operate, and the transmission belt main body is arranged in the transmission belt shell (17.4).
3. A tea leaf drying device with a roller according to claim 1, characterized in that the conveyor belt (17) is fixed to the inner wall surface of the outer case (1) by a fixing frame (18); the roller (11) is fixed below the conveyor belt (17) through the connecting arm (13), a bearing (19) is connected to the connecting arm (13), a rotating shaft (15) is connected to the roller support (16), the rotating shaft (15) is sleeved in the bearing (19) and is connected with a motor (14) fixed to the connecting arm (13), and the motor (14) is connected with an external power supply, so that the roller is driven to rotate.
4. A tea leaf drying device with a drum according to claim 1, characterized in that the device comprises: the hot air box comprises an outer box body (1), a hot air box body (2), a hot air box body upper box body (2.1), a hot air box body bottom box body (2.2), a hot air outlet (3), an air outlet (4), an exhaust air outlet (5), an air inlet (6), a heating port (7), a heat collecting pipe wall (8), a fan (9), a hot air inlet (10), a roller (11), a tea discharging port (12), a connecting arm (13), a motor (14), a rotating shaft (15), a roller bracket (16), a conveyor belt (17), a baffle plate (17.1), a conveyor belt driving motor (17.2), a transmission chain (17.3), a fixing frame (18), a bearing (19) and a tea inlet (20); the rollers comprise a first roller (11.1), a second roller (11.2), a third roller (11.3), a fourth roller (11.4) and a fifth roller (11.5);
the top of the outer box body (1) is provided with a tea inlet (20), and the bottom of the outer box body (1) is provided with a tea discharge hole (12); a first conveyor belt is arranged below the tea inlet (20), the first conveyor belt is fixed on the inner wall surface of the outer box body (1) through a fixing frame (18), a first roller (11.1) is fixed below the first conveyor belt, a second conveyor belt is arranged at the outlet of the first roller (11.1), the second conveyor belt is fixed on the inner wall surface of the outer box body (1) through the fixing frame (18), a second roller (11.2) is fixed below the second conveyor belt, a third conveyor belt is arranged at the outlet of the second roller (11.2), the third conveyor belt is fixed on the inner wall surface of the outer box body (1) through the fixing frame (18), a third roller (11.3) is fixed below the second conveyor belt, a fourth conveyor belt is fixed on the inner wall surface of the outer box body (1) through the fixing frame (18), a fifth conveyor belt is fixed below the fourth conveyor belt (11.4), a fifth conveyor belt is fixed on the inner wall surface of the outer box body (11.1), and a fifth conveyor belt is fixed on the fifth conveyor belt (11.5); the conveying component is a conveying belt (17); the conveyor belt (17) comprises a baffle plate (17.1), a conveyor belt driving motor (17.2), a transmission chain (17.3), a conveyor belt shell (17.4) and a conveyor belt main body; the transmission chain (17.3) is connected with the transmission belt main body, the transmission belt main body is driven to move by the movement of the transmission chain (17.3), the transmission belt main body is provided with a baffle plate (17.1), and the transmission belt driving motor (17.2) is connected with the transmission chain (17.3) through a gear, so that the transmission chain (17.3) is driven to operate; the conveyor body is arranged in a conveyor housing (17.4); the conveyor belt (17) is fixed on the inner wall surface of the outer box body (1) through a fixing frame (18); the roller (11) is fixed below the conveyor belt (17) through the connecting arm (13), a bearing (19) is connected to the connecting arm (13), a rotating shaft (15) is connected to the roller support (16), the rotating shaft (15) is sleeved in the bearing (19) and is connected with a motor (14) fixed to the connecting arm (13), and the motor (14) is connected with an external power supply, so that the roller is driven to rotate.
5. A method of using the device of any one of claims 1 to 4, comprising the steps of:
(1) Testing the moisture of the green-removed semi-finished tea, adjusting the angle between the roller and the horizontal plane according to the moisture content of the tea, and then turning on a power switch of the equipment to start the roller, the conveyor belt, the fan and the burner inside;
(2) And (3) regulating the temperature of the hot air to ensure that after the hot air reaches a preset temperature, the semi-finished tea to be treated is placed into a tea inlet, the tea is dried, the first drying is carried out, then the tea is kept stand for 2-3 hours at room temperature, and the second drying is carried out.
6. The method of claim 5, wherein the tea leaves after the first drying have a moisture content of: 20-30%; the water content of the tea leaves after the second drying is lower than 5%; the rotating speed of the roller is 3-8 r/min.
7. The method according to claim 5, wherein in the step (2), the moisture content of the tea leaves before the first drying is 70-80%, the angle between the drum and the horizontal plane is adjusted to 15-25 °, the hot air temperature is 120-140 ℃, the drying time is 3-5min, the moisture content of the tea leaves at this time is 50-60%, the angle between the drum and the horizontal plane is adjusted to 35-45 °, the hot air temperature is 100-110 ℃, the drying time is 2-4min, the moisture content of the tea leaves reaches 20-30%, then the tea leaves are left for 2-3 h, the moisture content of the tea leaves after absorbing the moisture in the air is 50-60%, the angle between the drum and the horizontal plane is adjusted to 5-15 °, the hot air temperature is 90-110 ℃, and the drying time is 5-7min.
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| Application Number | Priority Date | Filing Date | Title |
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| CN101706193A (en) * | 2009-08-06 | 2010-05-12 | 李观德 | Drying method and drying device for charcoal making |
| CN201488492U (en) * | 2009-08-28 | 2010-05-26 | 东莞市蓝威实业有限公司 | Electromagnetic dryer |
| CN208419528U (en) * | 2018-07-09 | 2019-01-22 | 大连水产药业有限公司 | A kind of bilayer rotating cage drying machine |
| CN109682195A (en) * | 2018-12-31 | 2019-04-26 | 云上景迈普洱茶(天津)科技有限公司 | A kind of drying unit of tea processing |
| CN210922117U (en) * | 2019-09-07 | 2020-07-03 | 涂佳成 | Tea leaf drying device with rotary drum |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103109147B (en) * | 2010-04-22 | 2016-05-04 | 株式会社佐竹 | Grain drying |
| TR201404530T1 (en) * | 2011-10-21 | 2015-01-21 | Satake Eng Co Ltd | Grain-drying facilities |
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- 2019-09-07 CN CN201910844810.8A patent/CN110542297B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101706193A (en) * | 2009-08-06 | 2010-05-12 | 李观德 | Drying method and drying device for charcoal making |
| CN201488492U (en) * | 2009-08-28 | 2010-05-26 | 东莞市蓝威实业有限公司 | Electromagnetic dryer |
| CN208419528U (en) * | 2018-07-09 | 2019-01-22 | 大连水产药业有限公司 | A kind of bilayer rotating cage drying machine |
| CN109682195A (en) * | 2018-12-31 | 2019-04-26 | 云上景迈普洱茶(天津)科技有限公司 | A kind of drying unit of tea processing |
| CN210922117U (en) * | 2019-09-07 | 2020-07-03 | 涂佳成 | Tea leaf drying device with rotary drum |
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