A high-temperature hot air drum green tea fixing machine

Abstract

The invention discloses a high-heat-air drum fixing machine, comprising a bracket, a drum with two ends opened and driven by a driving mechanism installed on the bracket, a heat transfer pipe connected to the inner wall of the drum located at the center of the drum, a hot air pipe connected to a hot air furnace is arranged in the heat transfer pipe, the end of the heat transfer pipe is a conical seal, and a spiral sheet is arranged on the inner wall of the drum. The invention uses a hot air furnace as a heating source, a heat transfer conduit is arranged in the drum, and the end of the heat transfer conduit is set as a conical seal, which can keep the temperature in the drum at 200-250°C, can complete the fixing at one time, has high fixing efficiency, and heats evenly, and has a good fixing effect.

Description

Technical Field

[0001] The invention relates to a high-heat air drum withering machine, belonging to the technical field of tea processing equipment. Background Art

[0002] Tea leaf fixing is a tea-making step that destroys and passivates the oxidase activity in fresh tea leaves through high temperature, inhibits the enzymatic oxidation of tea polyphenols in fresh leaves, evaporates part of the moisture in fresh leaves, softens the tea leaves, and facilitates rolling and shaping. At the same time, it emits a green smell and promotes the formation of a good aroma. The current tea leaf fixing machine has a temperature that does not meet the requirements, and it requires multiple fixings to complete. The fixing time is long, the fixing efficiency is low, and the fixing effect is poor. To this end, we propose a high-heat air drum fixing machine. Summary of the invention

[0003] The main purpose of the present invention is to provide a high-heat air drum fixing machine, which uses a hot air furnace as a heating source, and a heat transfer conduit is arranged in the drum. The end of the heat transfer conduit is set as a conical seal, which can keep the temperature in the drum at 200-250°C. The fixing can be completed in one time, the fixing efficiency is high, the heating is uniform, and the fixing effect is good, which can effectively solve the problems in the background technology.

[0004] To achieve the above object, the technical solution adopted by the present invention is:

[0005] A high-heat air drum fixing machine comprises a bracket, on which a drum with openings at both ends driven by a driving mechanism is mounted, a heat transfer pipe connected to the inner wall of the drum is provided at the center of the drum, a hot air pipe connected to a hot air furnace is provided in the heat transfer pipe, the end of the heat transfer pipe is a conical seal, and the inner wall of the drum is provided with spiral blades.

[0006] Furthermore, both ends of the heat transfer pipe are connected to the drum via a plurality of connecting rods welded to the inner wall of the drum.

[0007] Furthermore, the hot blast furnace includes a furnace body arranged on a support leg, a fan is provided on one side of the furnace body, an air outlet pipe of the fan is located on one side of a heat exchange mechanism in the furnace body, and a combustion chamber is provided in the furnace body below the heat exchange mechanism.

[0008] Furthermore, the heat exchange mechanism comprises a heat exchange chamber, in which a plurality of ventilation ducts are horizontally arranged, a hot air channel is formed between every two ventilation ducts, and the heat exchange chamber is connected to the hot air duct.

[0009] Furthermore, a door body is hingedly provided on the combustion chamber.

[0010] Furthermore, one end of the drum is provided with a material inlet, and the other end of the drum is provided with a material outlet.

[0011] Furthermore, a material receiving rack is provided at the material discharge port, and a movable material receiving hopper is placed on the material receiving rack.

[0012] Furthermore, the driving mechanism includes a driving gear driven by a motor, the driving gear is meshed with a driven gear connected to a driving wheel via a connecting shaft, the driving wheel contacts one end of the roller, and the other end of the roller contacts a driven wheel.

[0013] Furthermore, a sealing ring is sleeved at the connection between the hot air pipe and the heat transfer pipe.

[0014] Furthermore, the outer surfaces of the drum and the furnace body are both wrapped with a heat-insulating layer.

[0015] The present invention uses a hot air furnace as a heating source, a heat transfer conduit is arranged in the drum, the end of the heat transfer conduit is set as a conical seal, which can keep the temperature in the drum at 200-250°C, and can complete the greening in one time, with high greening efficiency, uniform heating and good greening effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0017] Figure 2 It is a structural schematic diagram of the fixing drum of the present invention;

[0018] Figure 3 It is a structural schematic diagram of the hot blast stove of the present invention.

[0019] In the figure: 1. Support leg; 2. Fan; 3. Hot air channel; 4. Insulation layer; 5. Heat exchange chamber; 6. Ventilation duct; 7. Furnace body; 8. Hot air pipe; 9. Inlet; 10. Spiral blade; 12. Roller; 13. Heat transfer pipe; 14. Connecting rod; 15. Conical seal; 16. Receiving hopper; 17. Receiving rack; 18. Driven gear; 19. Connecting shaft; 20. Motor; 21. Driving gear; 22. Driving wheel; 23. Bracket; 24. Driven wheel; 25. Sealing ring; 26. Combustion chamber; 27. Door body. DETAILED DESCRIPTION

[0020] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further explained below in conjunction with specific implementation methods.

[0021] like Figures 1 to 3 As shown, this embodiment provides a high-heat air drum fixing machine, including a bracket, on which is mounted a drum with openings at both ends driven by a driving mechanism, a heat transfer pipe connected to the inner wall of the drum is provided at the center of the drum, a hot air pipe connected to a hot air furnace is provided in the heat transfer pipe, the end of the heat transfer pipe is a conical seal, and the inner wall of the drum is provided with spiral blades.

[0022] A hot air furnace is used as the heating source, and a heat transfer tube is arranged in the drum. The end of the heat transfer tube is set as a conical seal, which can keep the temperature in the drum at 200-250°C. The green-fixing can be completed in one time with high green-fixing efficiency, uniform heating, good green-fixing effect, and the conical seal can also ensure convenient discharge.

[0023] Furthermore, both ends of the heat transfer pipe are connected to the drum via a plurality of connecting rods welded to the inner wall of the drum.

[0024] Furthermore, the hot blast furnace includes a furnace body arranged on a support leg, a fan is provided on one side of the furnace body, an air outlet pipe of the fan is located on one side of a heat exchange mechanism in the furnace body, and a combustion chamber is provided in the furnace body below the heat exchange mechanism.

[0025] The fan blows air into the combustion chamber and blows the heat in the combustion chamber into the heat exchange mechanism.

[0026] Furthermore, the heat exchange mechanism comprises a heat exchange chamber, in which a plurality of ventilation ducts are horizontally arranged, a hot air channel is formed between every two ventilation ducts, and the heat exchange chamber is connected to the hot air duct.

[0027] Facilitates heat transfer.

[0028] Furthermore, a door body is hingedly provided on the combustion chamber.

[0029] It is convenient to add fuel into the combustion chamber.

[0030] Furthermore, one end of the drum is provided with a material inlet, and the other end of the drum is provided with a material outlet.

[0031] Furthermore, a material receiving rack is provided at the material discharge port, and a movable material receiving hopper is placed on the material receiving rack.

[0032] It is convenient to receive the tea leaves that have been withered.

[0033] Furthermore, the driving mechanism includes a driving gear driven by a motor, the driving gear is meshed with a driven gear connected to a driving wheel via a connecting shaft, the driving wheel contacts one end of the roller, and the other end of the roller contacts a driven wheel.

[0034] The motor drives the driving gear to rotate, and then drives the drum to rotate through the transmission of the driven gear and the driving wheel.

[0035] Furthermore, a sealing ring is sleeved at the connection between the hot air pipe and the heat transfer pipe.

[0036] Avoid heat release.

[0037] Furthermore, the outer surfaces of the drum and the furnace body are both wrapped with a heat-insulating layer.

[0038] Reduce heat loss in the drum.

[0039] The above description is only by way of illustration of certain exemplary embodiments of the present invention. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A high-heat air drum fixing machine, comprising a bracket, Features: A roller with openings at both ends driven by a driving mechanism is mounted on the bracket, a heat transfer pipe connected to the inner wall of the roller is provided at the center of the roller, a hot air pipe connected to the hot air furnace is provided in the heat transfer pipe, the end of the heat transfer pipe is a conical seal, a spiral sheet is provided on the inner wall of the roller, both ends of the heat transfer pipe are connected to the roller by a plurality of connecting rods welded to the inner wall of the roller, the hot air furnace comprises a furnace body arranged on a support leg, a fan is provided on one side of the furnace body, an air outlet pipe of the fan is located on one side of a heat exchange mechanism in the furnace body, and a combustion chamber located in the furnace body is provided below the heat exchange mechanism.

2. A high-heat air drum fixing machine according to claim 1, Features: The heat exchange mechanism comprises a heat exchange chamber, in which a plurality of ventilation ducts are horizontally arranged, a hot air channel is formed between every two ventilation ducts, and the heat exchange chamber is connected with the hot air pipe.

3. A high-heat air drum fixing machine according to claim 1, Features: A door body is hingedly provided on the combustion chamber.

4. A high-heat air drum fixing machine according to claim 1, Features: One end of the drum is provided with a material inlet, and the other end of the drum is provided with a material outlet.

5. A high-heat air drum fixing machine according to claim 4, Features: A material receiving frame is provided at the material discharging port, and a movable material receiving hopper is placed on the material receiving frame.

6. The high-heat air drum fixing machine according to claim 1, Features: The driving mechanism comprises a driving gear driven by a motor, the driving gear is meshed with a driven gear connected to a driving wheel through a connecting shaft, the driving wheel contacts one end of the roller, and the other end of the roller contacts a driven wheel.

7. The high-heat air drum fixing machine according to claim 1, Features: A sealing ring is sleeved at the connection between the hot air pipe and the heat transfer pipe.

8. The high-heat air drum fixing machine according to claim 1, Features: The outer surfaces of the drum and the furnace body are both wrapped with a heat-insulating layer.

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