CN217979524U

CN217979524U - Low-temperature drying device for producing substitutional tea

Info

Publication number: CN217979524U
Application number: CN202222223427.0U
Authority: CN
Inventors: 李瑞生
Original assignee: Shandong Guzhiteng Biotechnology Group Co ltd
Current assignee: Shandong Guzhiteng Biotechnology Group Co ltd
Priority date: 2022-08-24
Filing date: 2022-08-24
Publication date: 2022-12-06
Anticipated expiration: 2032-08-24

Abstract

The utility model relates to the technical field of the production of the substitutive tea, in particular to a low-temperature drying device for the production of the substitutive tea, which reduces the difference between the water contents of different particles and improves the drying uniformity of the substitutive tea; comprises a heater and an air supply mechanism; still include the drying cabinet, the take-up (stock) pan, the cover, the inlet pipe, the backward flow hose, the culvert pipe, the heating chamber, blast pipe and air-supply line, the take-up (stock) pan rotates and installs on drying cabinet upper portion, the output of take-up (stock) pan stretches out the external world of drying cabinet, the cover is installed on the drying cabinet, the cover middle part is provided with the inlet pipe, backward flow hose connection inlet pipe and culvert pipe, the backward flow hose is provided with the condensation outlet pipe, install air supply mechanism in the culvert pipe, the output and the heating chamber of culvert pipe are connected, install the heater in the heating chamber, the delivery outlet of heating chamber is connected with the input of blast pipe, the output of blast pipe is connected with the middle part of air-supply line, the output of air-supply line and the air intake connection of drying cabinet.

Description

Low-temperature drying device for producing substitutional tea

Technical Field

The utility model relates to a technical field of tea production is substituted especially relates to a be used for substituting low temperature drying device for tea production.

Background

The low-temperature drying device for producing the substitutive tea is widely used in the field of substitutive tea production; the substitute tea is a product which is prepared by selecting leaves, flowers, fruits (fruits), rhizomes and the like of edible plants and adopting a drinking mode (drinking by soaking, boiling and the like) similar to tea leaves, in the production process of the substitute tea, drying the raw materials is an essential process step, in the process step, a low-temperature drying device is usually used for drying the substitute tea raw materials, the low-temperature drying device in the prior art is generally provided with a net cage or a roller with holes, the substitute tea raw materials are placed in the net cage or the roller, the net cage is vibrated or the roller is rolled, hot air is introduced into the net cage or the roller through a heater and an air supply mechanism, the substitute tea raw materials are dried, after a period of time, the dried substitute tea raw materials are all taken out, the water content of particles of the substitute tea raw materials is the same due to the fact that the particles of the substitute tea raw materials are different in size and the drying time is the same, the water content of the particles of the substitute tea raw materials is different, and the water content of large particles is different from that the large particles is too high, and the shelf life of the substitute tea is shortened.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a reduce the difference between the moisture content of different granules, improve one kind of tea drying homogeneity of substituting and be used for substituting low temperature drying device for tea production.

The utility model relates to a low-temperature drying device for producing substitutional tea, which comprises a heater and an air supply mechanism; the drying device comprises a drying tank, a material receiving disc, a tank cover, a feeding pipe, a backflow hose, a containing pipe, a heating chamber, an air supply pipe and an air supply pipe, wherein the bottom of the drying tank is hemispherical, a drying cavity is arranged inside the drying tank, an upper port is arranged on the upper end face of the drying tank, an air inlet is arranged at the bottom of the drying tank, a discharge port is arranged on the upper portion of the side wall of the drying tank, the upper port, the air inlet and the discharge port are communicated with the drying cavity, the material receiving disc is rotatably installed on the upper portion of the drying cavity, the output end of the material receiving disc extends out of the drying tank through the discharge port, an air passing port is arranged in the middle of the material receiving disc, the tank cover is installed on the upper port of the drying tank, the feeding pipe is arranged in the middle of the upper end face of the tank cover, a feeding cover is screwed on the upper port of the feeding pipe, the lower port of the feeding pipe is communicated with the drying cavity, the air passing port and the air inlet of the material receiving disc are aligned up and down concentrically, the input end of the backflow hose is connected with the middle of the feeding pipe, a condensation water outlet pipe, the heating chamber is connected with the input end of the heating chamber, an air supply pipe, an air supply mechanism is installed in the containing mechanism, the heating chamber, and an output end of the heating chamber is connected with the drying tank; opening a feeding cover to add a certain amount of substitutional tea raw materials into a drying cavity of a drying tank through a feeding pipe, closing the feeding cover, starting a heater and an air supply mechanism, outputting air by the air supply mechanism to enter a heating chamber, heating the air by the heater, entering the bottom of the drying cavity of the drying tank through an air supply pipe and an air inlet pipe, blowing from bottom to top, enabling hot air to enter the feeding pipe through an air inlet of a receiving tray, flowing back into a bypass pipe through a backflow hose, discharging water in the hot air through a condensation water outlet pipe after the water in the backflow hose is cooled and condensed, forming hot air internal circulation.

Preferably, the air supply mechanism comprises a motor, a motor bracket, a plurality of fan blades and an electric control valve, the motor is concentrically arranged in the culvert pipe through the motor bracket, the motor bracket is provided with the plurality of fan blades, and the electric control valve is arranged on the air supply pipe; the motor drives the plurality of fan blades to rotate, the plurality of fan blades rotate to enable air in the device to flow in a rapid circulating mode, the fan blades gradually increase the rotating speed according to a program, the wind speed is gradually increased, the electric control valve gradually increases the opening degree of the air supply pipe according to the program, the air supply quantity is gradually increased, the raw materials of different particles are enabled to have enough drying time, the increasing speed and the increasing amplitude of the wind speed and the air quantity can be flexibly adjusted according to the quality of the raw materials, and the practicability is high.

Preferably, the drying device further comprises a temperature probe, wherein the temperature probe is mounted on the side wall of the drying tank, and the probe of the temperature probe extends into the drying chamber of the drying tank; the temperature probe detects the temperature in the drying chamber of drying cylinder, adjusts the power of heater according to the temperature information who detects, makes the drying chamber of drying cylinder be in stable temperature range, avoids the high-temperature nutrient composition who destroys the raw materials, avoids the temperature to hang down the speed of drying too slowly excessively simultaneously.

Preferably, the drying device further comprises two sliding blocks, two locking bolts and a wind shield, wherein two vertical guide grooves are symmetrically arranged at the upper part of the inner wall of the drying tank, the two sliding blocks are respectively installed in the two guide grooves in a sliding manner, two ends of the material receiving disc are respectively and rotatably connected with the two sliding blocks through rotating shafts, the two rotating shafts of the material receiving disc are respectively positioned at two sides of the output end of the material receiving disc, the two sliding blocks are respectively and rotatably screwed with the locking bolts, screw rods of the two locking bolts are respectively contacted with the bottoms of the two guide grooves, the wind shield is installed at one side, far away from the output end, of the material receiving disc, and the wind shield extends into a wind passing port of the material receiving disc; according to the kind and the quality of the tea substitute raw materials, adjust the position of two sliders along two guide slots to rotate two locking bolts and lock, make the height change of take-up (stock) pan in the drying can, hot-blast air from the wind gap of taking-up (stock) pan blow out the time spent can blow on the deep bead, the deep bead drives the take-up (stock) pan and carries out the luffing motion round two pivots, make to fall on the take-up (stock) pan the automatic output of following of raw materials discharge, realize the automatic discharging, improve the practicality.

Preferably, the drying device further comprises two chutes and corrugated cloth, the chutes are mounted on the left side and the right side of a discharge port of the drying tank, the left end and the right end of the corrugated cloth are respectively slidably mounted in the two chutes, the upper end and the lower end of the corrugated cloth are fixedly connected with the outer wall of the drying tank, and an avoiding port at the output end of the material receiving disc is arranged in the middle of the corrugated cloth; the output of corrugated cloth cooperation take-up (stock) pan is semi-closed with the discharge gate of drying cabinet, reduces the hot-air from the discharge gate leakage, improves equipment's seal, reduces the heat loss.

Preferably, the drying device further comprises a wind collecting cover and a funnel, the wind collecting cover is installed at the bottom of the drying cavity of the drying tank through a support, the wind collecting cover is in a conical shape with a small upper part and a large lower part, the wind collecting cover and the air inlet of the drying tank are concentrically arranged, a gap is formed between the wind collecting cover and the drying cavity of the drying tank, the funnel is concentrically installed on the output port of the feeding pipe, a plurality of air holes are formed in the funnel, and the funnel is concentrically aligned with the air passing port of the receiving disc; during feeding, the funnel leads the raw materials of adding, avoids the raw materials to fall on the take-up pan, and a plurality of bleeder vents on the funnel are favorable to the hot-air to flow upwards, and the wind-collecting cover leads to gathering together the hot-blast of input, keeps apart the rising inside and the whereabouts outside of raw materials, is favorable to the whole dry cycle of participating in of raw materials granule, improves dry work efficiency.

Preferably, the device also comprises an upper filter plate, a slag discharge cover and a lower filter plate, wherein the upper filter plate is arranged inside the input end of the backflow hose, the lower end of the air inlet pipe is provided with a slag discharge port, the slag discharge cover is rotatably screwed on the slag discharge port of the air inlet pipe, the lower filter plate is arranged on the slag discharge cover through a support rod, and the lower filter plate is positioned inside the output end of the air inlet pipe; go up the filter and block the input of return hose, when avoiding feeding in raw materials, the raw materials falls into the return hose, and lower filter plate blocks the raw materials in the drying chamber and stops, avoids the raw materials to fall into air-supply line and blast pipe, opens and arranges the sediment lid and can together take out lower filter plate, and the tiny granule that conveniently will leak into the air-supply line through lower filter plate is cleared up, also makes things convenient for remaining impurity discharge in the drying chamber of drying cabinet, improve equipment's the simple operation nature.

Compared with the prior art, the beneficial effects of the utility model are that: opening a feeding cover to add a certain amount of substitutional tea raw materials into a drying cavity of a drying tank through a feeding pipe, closing the feeding cover, starting a heater and an air supply mechanism, outputting air by the air supply mechanism to enter a heating chamber, heating the air by the heater, entering the bottom of the drying cavity of the drying tank through an air supply pipe and an air inlet pipe, blowing from bottom to top, enabling hot air to enter the feeding pipe through an air inlet of a receiving tray, flowing back into a bypass pipe through a backflow hose, discharging water in the hot air through a condensation water outlet pipe after the water in the backflow hose is cooled and condensed, forming hot air internal circulation.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic view of a half-section structure of the present invention;

FIG. 3 is a schematic view of the axial measurement structure of the present invention;

FIG. 4 is a schematic structural view of the take-up reel and its components;

in the drawings, the reference numbers: 1. a drying tank; 2. a take-up pan; 3. a can cover; 4. a feeding pipe; 5. a return hose; 6. a culvert pipe; 7. a heating chamber; 8. a heater; 9. an air supply pipe; 10. an air inlet pipe; 11. a motor; 12. a motor bracket; 13. a fan blade; 14. an electrically controlled valve; 15. a temperature probe; 16. a slider; 17. locking the bolt; 18. a wind deflector; 19. a chute; 20. corrugated cloth; 21. a wind collecting cover; 22. a funnel; 23. an upper filter plate; 24. a slag discharge cover; 25. and (4) a lower filter plate.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The present invention may be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

Example 1

A low-temperature drying device for producing substitute tea comprises a heater 8 and an air supply mechanism; the drying device also comprises a drying tank 1, a material receiving disc 2, a tank cover 3, a feeding pipe 4, a backflow hose 5, a duct pipe 6, a heating chamber 7, an air supply pipe 9 and an air inlet pipe 10, wherein the bottom of the drying tank 1 is hemispherical, a drying chamber is arranged inside the drying tank 1, an upper end port is arranged on the upper end face of the drying tank 1, an air inlet is arranged at the bottom of the drying tank 1, a discharge port is arranged at the upper part of the side wall of the drying tank 1, the upper end port, the air inlet and the discharge port are communicated with the drying chamber, the material receiving disc 2 is rotatably arranged at the upper part of the drying chamber, the output end of the material receiving disc 2 extends out of the drying tank 1 through the discharge port, an air passing port is arranged in the middle of the material receiving disc 2, the tank cover 3 is arranged on the upper end port of the drying tank 1, and the feeding pipe 4 is arranged in the middle of the upper end face of the tank cover 3, the upper port of the feeding pipe 4 is screwed with a feeding cover, the lower port of the feeding pipe 4 is communicated with a drying chamber, the feeding pipe 4, an air inlet and an air outlet of the receiving disc 2 are aligned up and down concentrically, the input end of the backflow hose 5 is connected with the middle part of the feeding pipe 4, the backflow hose 5 is provided with a condensation water outlet pipe, the output end of the backflow hose 5 is connected with the input end of a duct pipe 6, an air supply mechanism is installed in the duct pipe 6, the output end of the duct pipe 6 is connected with the input port of a heating chamber 7, a heater 8 is installed in the heating chamber 7, the output port of the heating chamber 7 is connected with the input end of an air supply pipe 9, the output end of the air supply pipe 9 is connected with the middle part of an air supply pipe 10, and the output end of the air supply pipe 10 is connected with the air inlet of the drying tank 1; opening a feeding cover to add a certain amount of substitutional tea raw materials into a drying cavity of a drying tank 1 through a feeding pipe 4, closing the feeding cover, starting a heater 8 and an air supply mechanism, conveying air by the air supply mechanism into a heating chamber 7, heating the air by the heater 8, then conveying the air into the bottom of the drying cavity of the drying tank 1 through an air supply pipe 9 and an air supply pipe 10, blowing from bottom to top, conveying the hot air into the feeding pipe 4 through an air passing opening of a receiving tray 2, returning the hot air into a bypass pipe 6 through a return hose 5, discharging the moisture in the hot air through a condensation water outlet pipe after the moisture in the hot air meets cold condensation in the return hose 5 to form hot air internal circulation, saving more energy compared with an open drying mode, simultaneously, allowing the raw material particles to float upwards along with the hot air in the middle of the drying cavity of the drying tank 1 and fall around to form drying circulation of the raw material particles from inside to outside while the raw material particles are distributed in layers according to different sizes and weights, allowing the raw materials with small particles and small particles to be distributed in the upper and outer layers of the drying circulation, when the raw materials lose the weight, increasing the air speed of the drying mechanism and the small particles, thereby reducing the uniformity of the drying particles, and reducing the uniformity of the air flow rate of the raw materials, and reducing the uniformity of the quality of the small particles.

Example 2

A low-temperature drying device for producing substitutional tea comprises a heater 8 and an air supply mechanism; the drying device also comprises a drying tank 1, a material receiving disc 2, a tank cover 3, a feeding pipe 4, a backflow hose 5, a duct pipe 6, a heating chamber 7, an air supply pipe 9 and an air inlet pipe 10, wherein the bottom of the drying tank 1 is hemispherical, a drying chamber is arranged inside the drying tank 1, an upper end port is arranged on the upper end face of the drying tank 1, an air inlet is arranged at the bottom of the drying tank 1, a discharge port is arranged at the upper part of the side wall of the drying tank 1, the upper end port, the air inlet and the discharge port are communicated with the drying chamber, the material receiving disc 2 is rotatably arranged at the upper part of the drying chamber, the output end of the material receiving disc 2 extends out of the drying tank 1 through the discharge port, an air passing port is arranged in the middle of the material receiving disc 2, the tank cover 3 is arranged on the upper end port of the drying tank 1, and the feeding pipe 4 is arranged in the middle of the upper end face of the tank cover 3, the upper port of the feeding pipe 4 is screwed with a feeding cover, the lower port of the feeding pipe 4 is communicated with a drying chamber, the feeding pipe 4, an air inlet and an air outlet of the receiving disc 2 are aligned up and down concentrically, the input end of the backflow hose 5 is connected with the middle part of the feeding pipe 4, the backflow hose 5 is provided with a condensation water outlet pipe, the output end of the backflow hose 5 is connected with the input end of a duct pipe 6, an air supply mechanism is installed in the duct pipe 6, the output end of the duct pipe 6 is connected with the input port of a heating chamber 7, a heater 8 is installed in the heating chamber 7, the output port of the heating chamber 7 is connected with the input end of an air supply pipe 9, the output end of the air supply pipe 9 is connected with the middle part of an air supply pipe 10, and the output end of the air supply pipe 10 is connected with the air inlet of the drying tank 1; the air supply mechanism comprises a motor 11, a motor bracket 12, a plurality of fan blades 13 and an electric control valve 14, the motor 11 is concentrically arranged in the bypass pipe 6 through the motor bracket 12, the motor bracket 12 is provided with the plurality of fan blades 13, and the electric control valve 14 is arranged on the air supply pipe 9; the drying device is characterized by further comprising two sliding blocks 16, two locking bolts 17 and a wind shield 18, wherein two vertical guide grooves are symmetrically formed in the upper portion of the inner wall of the drying tank 1, the two sliding blocks 16 are respectively installed in the two guide grooves in a sliding mode, two ends of the material receiving disc 2 are respectively connected with the two sliding blocks 16 in a rotating mode through rotating shafts, the two rotating shafts of the material receiving disc 2 are respectively located on two sides of the output end of the material receiving disc 2, the two sliding blocks 16 are respectively connected with the locking bolts 17 in a rotating mode in a threaded mode, screw rods of the two locking bolts 17 are respectively contacted with the bottoms of the two guide grooves, the wind shield 18 is installed on one side, far away from the output end, of the wind shield 18 extends into a wind passing port of the material receiving disc 2; the drying device is characterized by further comprising a wind collecting cover 21 and a funnel 22, wherein the wind collecting cover 21 is installed at the bottom of the drying cavity of the drying tank 1 through a support, the wind collecting cover 21 is in a conical shape with a small top and a big bottom, the wind collecting cover 21 and the air inlet of the drying tank 1 are concentrically arranged, a gap is formed between the wind collecting cover 21 and the drying cavity of the drying tank 1, the funnel 22 is concentrically installed on the output port of the inlet pipe 4, a plurality of air holes are formed in the funnel 22, and the funnel 22 and the air passing port of the material receiving disc 2 are concentrically aligned; according to the kind and the quality of the substitute tea raw material, adjust the position of two sliders 16 along two guide slots, and rotate two locking bolts 17 to lock, make the height of take-up pan 2 in drying tank 1 change, and then adjust the moisture content of the raw material ejection of compact, when feeding, funnel 22 guides the raw material of joining, avoid the raw material to fall on take-up pan 2, motor 11 drives a plurality of flabellums 13 to rotate, a plurality of flabellums 13 rotate and make the air in the device circulate fast and flow circularly, wind-collecting cover 21 guides and gathers the hot-blast air of input drying tank 1, keep apart the rising inside and the falling outside of raw material, be favorable to the whole drying cycle of raw material granule, flabellum 13 gradually increases the rotational speed according to the procedure, make the wind speed gradually increase, electric control valve 14 gradually increases the degree that blast pipe 9 is opened according to the procedure, make the air supply capacity gradually increase, and make the raw material of different granule all have enough long drying time, and the speed and range that wind speed and wind capacity increase can be adjusted according to the flexible quality of raw material, when hot-blast blows from the wind gap of take-over of take-up pan 2 and wind-up and wind-down, make the automatic swing of take-out of take-up pan 2 from the take-down of take-out raw material, make the automatic discharge of take-up and discharge realization of take-up pan 2.

Example 3

A low-temperature drying device for producing substitutional tea comprises a heater 8 and an air supply mechanism; the drying device also comprises a drying tank 1, a material receiving disc 2, a tank cover 3, a feeding pipe 4, a backflow hose 5, a duct pipe 6, a heating chamber 7, an air supply pipe 9 and an air inlet pipe 10, wherein the bottom of the drying tank 1 is hemispherical, a drying chamber is arranged inside the drying tank 1, an upper end port is arranged on the upper end face of the drying tank 1, an air inlet is arranged at the bottom of the drying tank 1, a discharge port is arranged at the upper part of the side wall of the drying tank 1, the upper end port, the air inlet and the discharge port are communicated with the drying chamber, the material receiving disc 2 is rotatably arranged at the upper part of the drying chamber, the output end of the material receiving disc 2 extends out of the drying tank 1 through the discharge port, an air passing port is arranged in the middle of the material receiving disc 2, the tank cover 3 is arranged on the upper end port of the drying tank 1, and the feeding pipe 4 is arranged in the middle of the upper end face of the tank cover 3, the upper port of the feeding pipe 4 is screwed with a feeding cover, the lower port of the feeding pipe 4 is communicated with a drying chamber, the feeding pipe 4, an air inlet and an air outlet of the receiving disc 2 are aligned up and down concentrically, the input end of the backflow hose 5 is connected with the middle part of the feeding pipe 4, the backflow hose 5 is provided with a condensation water outlet pipe, the output end of the backflow hose 5 is connected with the input end of a duct pipe 6, an air supply mechanism is installed in the duct pipe 6, the output end of the duct pipe 6 is connected with the input port of a heating chamber 7, a heater 8 is installed in the heating chamber 7, the output port of the heating chamber 7 is connected with the input end of an air supply pipe 9, the output end of the air supply pipe 9 is connected with the middle part of an air supply pipe 10, and the output end of the air supply pipe 10 is connected with the air inlet of the drying tank 1; the drying device further comprises a temperature probe 15, wherein the temperature probe 15 is installed on the side wall of the drying tank 1, and the probe of the temperature probe 15 extends into the drying chamber of the drying tank 1; the drying device also comprises two sliding grooves 19 and corrugated cloth 20, the sliding grooves 19 are arranged on the left side and the right side of a discharge port of the drying tank 1, the left end and the right end of the corrugated cloth 20 are respectively arranged in the two sliding grooves 19 in a sliding manner, the upper end and the lower end of the corrugated cloth 20 are fixedly connected with the outer wall of the drying tank 1, and an avoiding port at the output end of the material receiving disc 2 is arranged in the middle of the corrugated cloth 20; the filter is characterized by further comprising an upper filter plate 23, a slag discharge cover 24 and a lower filter plate 25, wherein the upper filter plate 23 is arranged inside the input end of the backflow hose 5, the lower end of the air inlet pipe 10 is provided with a slag discharge port, the slag discharge cover 24 is rotatably screwed on the slag discharge port of the air inlet pipe 10, the lower filter plate 25 is arranged on the slag discharge cover 24 through a support rod, and the lower filter plate 25 is positioned inside the output end of the air inlet pipe 10; the temperature probe 15 detects the temperature in the drying chamber of the drying tank 1, the power of the heater 8 is adjusted according to the detected temperature information, so that the drying chamber of the drying tank 1 is in a stable temperature range, the corrugated cloth 20 is matched with the output end of the receiving tray 2 to semi-seal the discharge port of the drying tank 1, hot air leaked from the discharge port is reduced, heat loss is reduced, the power of the heater 8 is reduced, the upper filter plate 23 blocks the input end of the backflow hose 5, when feeding is avoided, raw materials fall into the backflow hose 5, the lower filter plate 25 blocks the raw materials in the drying chamber, the raw materials are prevented from falling into the air inlet pipe 10 and the air supply pipe 9, the lower filter plate 25 can be taken out together by opening the slag discharge cover 24 after work is completed, fine particles in the air inlet pipe 10 can be conveniently cleaned, and impurities remained in the drying chamber of the drying tank 1 can be conveniently discharged.

As shown in fig. 1 to 4, the utility model discloses a low temperature drying device for substitute tea production, it is at the during operation, at first open the charging lid with a certain amount substitute tea raw materials through the drying cavity of inlet pipe 4 joining drying chamber 1, funnel 22 leads to the raw materials of joining, close the charging lid, later start heater 8 and motor 11 mechanism, motor 11 drives a plurality of flabellums 13 and rotates, a plurality of flabellums 13 rotate the output air and get into heating chamber 7, wind gets into the drying cavity bottom of drying chamber 1 through blast pipe 9 and air-supply line 10 after being heated by heater 8, and blow from the bottom up, air-collecting cover 21 leads to gathering the hot-blast of input, hot-blast air gets into inlet pipe 4 through the wind gap of take-up dish 2, in this process wind blows wind deep bead 18 and drives take-up dish 2 swing around, through backflow hose 5 in duct pipe 6 again, moisture in the hot-blast meets the cold condensation in backflow hose 5 and then discharges through the condensation outlet pipe, simultaneously raw materials granule hot-blast moves upwards in the drying cavity middle part of drying chamber 1, and fall around, and form raw materials internal and external circulation that the raw materials are according to the weight of the higher circulation particle and the lower degree of drying, and the raw materials can be located the increase when the raw materials is lighter circulation that the raw materials is higher raw materials and dry by the lower degree of the raw materials gradually, the raw materials is higher raw materials and the raw materials is located when the light circulation that the raw materials weight is lighter circulation that the raw materials is higher.

The utility model discloses the main function who realizes does: the difference between the water contents of different particles is reduced, and the drying uniformity of the substitutional tea is improved.

The installation mode, the connection mode or the setting mode of the low-temperature drying device for producing the substitutional tea of the utility model are common mechanical modes, and the low-temperature drying device can be implemented as long as the beneficial effects can be achieved; the utility model discloses a drying cylinder 1, motor 11, flabellum 13, automatically controlled valve 14, heater 8, funnel 22, go up filter 23, lower filter plate 25, temperature probe 15, locking bolt 17, corrugated cloth 20 for substituting for tea production with low temperature drying device for purchase on the market, this industry technical staff only need according to its subsidiary service instruction install and operate can, and need not the technical staff in this field to pay out creative work.

All technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. A low-temperature drying device for producing substitutional tea comprises a heater (8) and an air supply mechanism; the drying device is characterized by further comprising a drying tank (1), a material receiving disc (2), a tank cover (3), a feeding pipe (4), a backflow hose (5), a duct pipe (6), a heating chamber (7), an air supply pipe (9) and an air inlet pipe (10), wherein the bottom of the drying tank (1) is hemispherical, a drying chamber is arranged inside the drying tank (1), an upper end port is arranged on the upper end face of the drying tank (1), an air inlet is formed in the bottom of the drying tank (1), a discharge port is formed in the upper portion of the side wall of the drying tank (1), the upper end port, the air inlet and the discharge port are both communicated with the drying chamber, the material receiving disc (2) is rotatably arranged on the upper portion of the drying chamber, the output end of the material receiving disc (2) extends out of the outside of the drying tank (1) through the discharge port, an air passing port is formed in the middle of the material receiving disc (2), the tank cover (3) is arranged on the upper end face of the drying tank (1), the feeding pipe (4) is arranged in the middle of the upper end face of the tank cover (3), a feeding pipe (4) is connected with the feeding cover in a screw mode, a lower end port of the feeding pipe (4) is communicated with the drying chamber, the feeding pipe (4), the feeding pipe (5) is aligned with the duct pipe (5), the backflow hose (5), and an input end of the backflow hose (5) and an outlet pipe (6) which are connected with the backflow hose (5), an air supply mechanism is installed in the culvert pipe (6), the output end of the culvert pipe (6) is connected with the input port of the heating chamber (7), a heater (8) is installed in the heating chamber (7), the output port of the heating chamber (7) is connected with the input end of the air supply pipe (9), the output end of the air supply pipe (9) is connected with the middle of the air inlet pipe (10), and the output end of the air inlet pipe (10) is connected with the air inlet of the drying tank (1).

2. The low-temperature drying device for producing substitutional tea according to claim 1, wherein the air supply mechanism comprises a motor (11), a motor bracket (12), a plurality of fan blades (13) and an electric control valve (14), the motor (11) is concentrically installed in the culvert pipe (6) through the motor bracket (12), the motor bracket (12) is provided with the plurality of fan blades (13), and the electric control valve (14) is installed on the air supply pipe (9).

3. A cryogenic drying device for substitute tea production according to claim 1, further comprising a temperature probe (15), the temperature probe (15) being mounted on a side wall of the drying tank (1), the probe of the temperature probe (15) extending into the drying chamber of the drying tank (1).

4. The low-temperature drying device for producing the substitutional tea according to claim 1, further comprising two sliding blocks (16), two locking bolts (17) and a wind shield (18), wherein two vertical guide grooves are symmetrically arranged on the upper portion of the inner wall of the drying tank (1), the two sliding blocks (16) are respectively slidably mounted in the two guide grooves, two ends of the material receiving disc (2) are respectively rotatably connected with the two sliding blocks (16) through rotating shafts, the two rotating shafts of the material receiving disc (2) are respectively located on two sides of the output end of the material receiving disc (2), the two sliding blocks (16) are respectively rotatably screwed with the locking bolts (17), screw rods of the two locking bolts (17) are respectively contacted with the bottoms of the two guide grooves, the wind shield (18) is mounted on one side of the material receiving disc (2) far away from the output end, and the wind shield (18) extends into a wind passing opening of the material receiving disc (2).

5. The low-temperature drying device for producing the substitutional tea according to claim 4, further comprising two chutes (19) and corrugated cloth (20), wherein the chutes (19) are mounted on the left and right sides of a discharge port of the drying tank (1), the left and right ends of the corrugated cloth (20) are respectively slidably mounted in the two chutes (19), the upper and lower ends of the corrugated cloth (20) are fixedly connected with the outer wall of the drying tank (1), and a avoiding port of an output end of the receiving tray (2) is arranged in the middle of the corrugated cloth (20).

6. The low-temperature drying device for producing the substitutional tea is characterized by further comprising a wind collecting cover (21) and a funnel (22), wherein the wind collecting cover (21) is installed at the bottom of a drying cavity of the drying tank (1) through a support, the wind collecting cover (21) is in a conical shape with a small top and a large bottom, the wind collecting cover (21) and an air inlet of the drying tank (1) are arranged concentrically, a gap is formed between the wind collecting cover (21) and the drying cavity of the drying tank (1), the funnel (22) is installed on an outlet of the feeding pipe (4) concentrically, a plurality of air holes are formed in the funnel (22), and the funnel (22) is aligned with an air outlet of the material receiving disc (2) concentrically.

7. The low-temperature drying device for producing substitutional tea according to claim 1, further comprising an upper filter plate (23), a residue discharge cover (24), and a lower filter plate (25), wherein the upper filter plate (23) is installed inside the input end of the return hose (5), the lower end of the air inlet pipe (10) is provided with a residue discharge port, the residue discharge cover (24) is rotatably screwed on the residue discharge port of the air inlet pipe (10), the lower filter plate (25) is installed on the residue discharge cover (24) through a support rod, and the lower filter plate (25) is located inside the output end of the air inlet pipe (10).